CN109974078B - Heating method for ice-shell building - Google Patents

Heating method for ice-shell building Download PDF

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CN109974078B
CN109974078B CN201910211813.8A CN201910211813A CN109974078B CN 109974078 B CN109974078 B CN 109974078B CN 201910211813 A CN201910211813 A CN 201910211813A CN 109974078 B CN109974078 B CN 109974078B
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shell building
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heat
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罗鹏
刘永鑫
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Harbin Institute of Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values

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Abstract

The invention provides a heating method of an ice-shell building, which comprises the following steps: acquiring the structure and thermal performance parameters of the ice-shell building, real-time meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source; calculating the parameters to obtain the heat load of the ice-shell building, and performing thermal inertia analysis on the ice-shell building to obtain the cooling characteristic of the ice-shell building; the method is based on the structure and thermal performance parameters of the ice-shell building, meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source, and the heat of the heat source is accounted by combining the outdoor comprehensive temperature, heat load and cooling characteristics of the ice-shell building. When the ice-shell building utilizes the heat source to heat, the heat load calculation and the heat inertia analysis are carried out on the ice-shell building, and the heat of the heat source is calculated on the basis of the calculation, so that whether the heat of the heat source can meet the heating requirement of the ice-shell building or not and whether the set time can be met or not is judged.

Description

Heating method for ice-shell building
Technical Field
The invention relates to the field of ice-shell buildings, in particular to a heating method of an ice-shell building.
Background
The ice shell building adopts a specific construction method to realize the building with ice as a main material, can realize the space division of the inside and the outside, and provides new ice and snow experience for users in the building. But the inside temperature of the existing ice-shell building is lower, the wind speed is only reduced, and the thermal comfort degree is not obviously improved compared with the outdoor environment. A heating mode suitable for the characteristics of ice-shell buildings is urgently needed to improve the thermal comfort level.
The application of ice-shell buildings in heating is mainly focused on indoor electric heating or the use of air conditioning systems. However, due to the particularity of the materials of the ice-shell buildings, the traditional heating only considers the quantitative analysis of energy, does not consider the asynchronism and complementarity of heat source heat and heat used by the ice-shell buildings in terms of time, and limits the improvement of the energy-saving level to a certain extent.
Disclosure of Invention
In view of the above, the present invention is directed to a method for heating an ice-shell building, which solves at least one of the above problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method of heating an ice-shell building, comprising:
acquiring the structure and thermal performance parameters of the ice-shell building, real-time meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source;
calculating the outdoor comprehensive temperature of the ice-crust building based on the structure and thermal performance parameters of the ice-crust building and real-time meteorological parameters of the location of the ice-crust building;
calculating the heat load of the ice-shell building based on the structure and thermal performance parameters of the ice-shell building and by combining the outdoor comprehensive temperature of the ice-shell building;
based on the structure and thermal performance parameters of the ice-shell building and real-time meteorological parameters of the location of the ice-shell building, performing thermal inertia analysis on the ice-shell building by combining the outdoor comprehensive temperature of the ice-shell building to obtain the cooling characteristic of the ice-shell building;
on the basis of the structure and thermal performance parameters of the ice-shell building, meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source, the heat supply quantity of the heat source is checked by combining the outdoor comprehensive temperature, heat load and cooling characteristics of the ice-shell building, and the method comprises the following steps: setting a first service time of the ice-shell building according to the use requirement; calculating a first coefficient by combining the heat load of the ice-shell building and the first service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating; comparing the first coefficient with a threshold value, and judging whether the waste heat of the hot spring can meet the heating requirement of the ice-shell building; if the first coefficient is less than the threshold value, an additional heat source is added to the ice-shell building for heating; when the ice-shell building heats through the hot spring waste heat and an additional heat source, setting a second use duration of the ice-shell building according to use requirements; calculating a second coefficient by combining the heat load of the ice-shell building and the second service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating; and if the third coefficient is less than or equal to the second coefficient and less than or equal to the threshold value, the waste heat of the hot spring can meet the set second service duration of the ice-shell building.
Optionally, the real-time meteorological parameters of the location of the ice-crust building comprise outdoor temperature and solar radiation intensity of the ice-crust building;
the heat source is the waste heat of the hot spring, and the heat supply performance parameters of the heat source comprise the specific heat capacity of water, the density of the water, the total water quantity of the hot spring and the temperature difference between the beginning and the end of the hot spring heating.
Optionally, the relation of the cooling characteristic of the ice-shell building is as follows:
Figure GDA0002690272330000031
wherein z isoIs the initial time, z is any time after the initial time, thetaoIs the temperature difference between the inside and the outside of the ice-shell building at the initial moment, theta (z) is the temperature difference between the inside and the outside of the ice-shell building at the moment z, and T is a time constant.
Optionally, the time constant T is related to the ice-shell building material, the construction level and the area size, and the relation is as follows:
T＝A/I；
wherein A is the unit temperature difference heat transfer capacity of the ice-shell building, W/DEG C; i is the thermal capacity of the ice-shell building, J/DEG C.
Optionally, the calculation formula of the first coefficient is:
Figure GDA0002690272330000032
wherein, beta1Is a first factor, Q is the thermal load of the ice-shell building, Δ Z1The first service time of the ice-shell building is, c is the specific heat capacity of water, rho is the density of water, G is the total amount of hot spring water, and delta t is the temperature difference between the beginning and the end of hot spring heating.
Optionally, the calculation formula of the second coefficient is:
Figure GDA0002690272330000033
wherein, beta2Is the second coefficient, Q is the thermal load of the ice-shell building, Δ Z2The second service life of the ice-shell building is shown, c is the specific heat capacity of water, rho is the density of the water, G is the total water volume of the hot spring, and delta t is the temperature difference between the beginning and the end of the hot spring heating;
the calculation formula of the third coefficient is as follows:
Figure GDA0002690272330000034
wherein, beta3Is the third coefficient, Δ Z2For the second duration of use of the ice-shell building, T being the time constant, θoThe difference between the temperatures inside and outside the ice-shell building at the initial time, and θ (z) is the difference between the temperatures inside and outside the ice-shell building at time z.
Optionally, if the first factor < the threshold, the ice-shell building adds an additional heat source for heating, comprising:
when the ice-shell building only heats by the waste heat of the hot spring;
setting a third service time of the ice-shell building according to the service requirement;
calculating a fourth coefficient by combining the heat load of the ice-shell building and the third service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating;
and calculating the actual heating time of the ice-shell building by combining the fourth coefficient on the basis of the indoor temperature of the ice-shell building and the cooling characteristic of the ice-shell building.
Optionally, the calculation formula of the fourth coefficient is:
Figure GDA0002690272330000041
wherein, beta4Is a fourth coefficient, Q is the thermal load of the ice-shell building, Δ Z3The third service life of the ice-shell building is shown, c is the specific heat capacity of water, rho is the density of the water, G is the total water volume of the hot spring, and delta t is the temperature difference between the beginning and the end of the hot spring heating;
the calculation formula of the actual heating time of the ice-shell building is as follows:
Figure GDA0002690272330000042
wherein, beta4Is a fourth coefficient, Δ Z4The actual heating time of the ice-shell building is prolonged, T is a time constant, thetaoThe difference between the temperatures inside and outside the ice-shell building at the initial time, and θ (z) is the difference between the temperatures inside and outside the ice-shell building at time z.
Compared with the prior art, when the ice-shell building heats by using the heat source, the heat load calculation and the heat inertia analysis are carried out on the ice-shell building, and the heat of the heat source is accounted on the basis of the heat load calculation and the heat inertia analysis, so that whether the heat of the heat source can meet the heating requirement of the ice-shell building or not and whether the set time can be met or not are judged.
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The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic flow chart of an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a heating method of an ice-shell building includes the following steps:
s100: and acquiring the structure and thermal performance parameters of the ice-shell building, real-time meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source.
Specifically, according to building data of the ice-shell building, the building data mainly come from design drawings of the ice-shell building, the building data mainly comprise a plan view, a section view and the like, a Winkler model is generated by utilizing the data, and calculation parameters are determined by combining the bearing capacity of the ice shell, wherein the calculation parameters comprise the area of the ice shell, the thickness of the ice shell, the convection heat transfer coefficient of the outer surface of the ice shell, the radiation heat absorption coefficient of the outer surface of the ice shell, the convection heat transfer coefficient of the inner surface of the ice shell, the heat transfer coefficient of the ice shell. The thickness of the ice shell, the convection heat transfer coefficient of the outer surface of the ice shell, the radiation heat absorption coefficient of the outer surface of the ice shell and the convection heat transfer coefficient of the inner surface of the ice shell can be directly obtained, and the area of the ice shell and the heat transfer coefficient of the ice shell need to be calculated.
When calculating the area of the ice shell, the area of the top and the surrounding of the ice shell needs to be considered, wherein the area around the ice shell can be divided into four directions of east, south, west and north according to different directions; thus, the calculation formula of the ice shell area is as follows: f ═ Fe+Fw+Fn+Fs+Fu+Fd(ii) a Wherein, Fe-the east surface area of the ice rind; fw-area of the south side of the ice rind; fn-the area of the west side of the ice rind; fs-area of north face of ice rind; fuArea of the top of the ice shell, FdIs the area of the ice crust ground, thereby ensuring the accuracy of the calculation of the ice crust area.
The calculation formula of the ice shell heat transfer coefficient is as follows:
Figure GDA0002690272330000061
in the formula (1), K is the heat transfer coefficient of the ice shell; a isiCoefficient of convective heat transfer of the inner surface of the ice shell, ai＝8.7；aeCoefficient of convective heat transfer from the outer surface of the ice shell, ae8.7; d-ice shell thickness; λ is the thermal conductivity of ice, λ 2.22W/(mK).
Since the ice crust areas have different divisions, there may be inconsistencies in the thickness of the different areas, and therefore, the heat transfer coefficients at the different areas may differ.
The meteorological parameters are derived from meteorological information issued by a meteorological bureau, and the meteorological information of the ice-crust building at different times of day is obtained, so that the meteorological parameters are used for subsequent calculation, including the outdoor temperature, the solar radiation intensity and the like of the ice-crust building.
The heat source initially has a certain temperature, the temperature of the heat source can be gradually reduced along with the time, the heat source can be selected from hot spring waste heat, and the heat supply performance parameters of the heat source comprise the specific heat capacity of water, the density of the water, the total water quantity of the hot spring and the temperature difference between the beginning and the end of the hot spring heating, so that the heat consumed by the hot spring waste heat during the heating of the ice-shell building can be calculated conveniently.
In severe cold or cold regions, the winter is long, the outdoor temperature is low, and the outdoor hot spring is not only an efficient energy-saving means, but also a natural tourism resource. Most of hot spring bathing place hot spring waste water is directly discharged without waste heat recovery, the discharge temperature is about 35 ℃ generally, and the hot spring waste water still has higher utilization value, so the hot spring waste heat is applied to heating of ice shell buildings.
S200: and calculating the outdoor comprehensive temperature of the ice-crust building based on the structure and thermal performance parameters of the ice-crust building and the real-time meteorological parameters of the place where the ice-crust building is located.
Specifically, the calculation formula of the outdoor comprehensive temperature is as follows:
Figure GDA0002690272330000062
in formula (2), T2 is the outdoor integrated temperature of the ice-shell building; t is teConstruction of ice hullOutdoor air temperature of buildings; p is a radical ofs-radiant heat absorption coefficient of the outer surface of the ice shell; i-intensity of solar radiation; a iseCoefficient of convective heat transfer from the outer surface of the ice shell, ae8.7. Therefore, the outdoor comprehensive temperature is calculated through the parameters, and a basis is provided for subsequent calculation.
From the above, the outdoor comprehensive temperature is related to the outdoor air temperature of the ice-shell building, the radiant heat absorption coefficient of the outer surface of the ice shell, the solar radiation intensity and the convection heat transfer coefficient of the outer surface of the ice shell, and the outdoor air temperature and the solar radiation intensity of the ice-shell building are different at different moments. The outdoor integrated temperature also varies.
S300: calculating the heat load of the ice-shell building based on the structure and thermal performance parameters of the ice-shell building and by combining the outdoor comprehensive temperature of the ice-shell building;
specifically, the heat load calculation formula of the ice-shell building is as follows:
Q＝Kb·F·(T1-T2) (3)；
in formula (3), Q is the thermal load of the ice-shell building, KbThe average heat transfer coefficient of the ice-shell building is shown, F is the ice-shell area, T1 is the indoor temperature of the ice-shell building, and T2 is the outdoor comprehensive temperature of the ice-shell building.
The calculation formula of the average heat transfer coefficient of the ice-shell building is as follows:
Kb＝(Ke+Kw+Kn+Ks+Ku+Kd)/6 (4)；
in the formula (4), KbIs the average heat transfer coefficient, K, of ice-shell buildingseIs the east heat transfer coefficient of the ice crust, KwHeat transfer coefficient of the south side of the ice crust, KnIs the heat transfer coefficient of the ice rind west surface, KsHeat transfer coefficient of the north side of the ice crust, KuIs the heat transfer coefficient at the top of the ice crust, KdThe heat transfer coefficient of ice crust ground.
Before the heat load calculation of the ice-shell building is carried out, the indoor temperature of the ice-shell building is required to be determined, the indoor temperature is set by a user, the requirement on the internal temperature of the ice house is determined according to different use properties of the ice-shell building, and the indoor design temperature is generally selected to be 5-10 ℃.
S400: and (3) carrying out thermal inertia analysis on the ice-crust building by combining the outdoor comprehensive temperature of the ice-crust building on the basis of the structure and thermal performance parameters of the ice-crust building and the real-time meteorological parameters of the place where the ice-crust building is located, and obtaining the cooling characteristic of the ice-crust building.
Specifically, the relationship of the cooling characteristic of the ice-shell building is as follows:
Figure GDA0002690272330000081
in the formula (5), zoIs the initial time, z is any time after the initial time, thetaoIs the temperature difference between the inside and the outside of the ice-shell building at the initial moment, theta (z) is the temperature difference between the inside and the outside of the ice-shell building at the moment z, and T is a time constant.
Wherein, the time constant T is related to the ice-shell building material, the structure level and the area size, and the relation is as follows: t is A/I; wherein A is the unit temperature difference heat transfer capacity of the ice-shell building, W/DEG C; i is the thermal capacity of the ice-shell building, J/DEG C.
The calculation formula of the unit temperature difference heat transfer capacity of the ice-shell building is as follows:
(KeFe+KwFw+KnFn+KsFs+KuFu+KdFd)+0.278Cp·Vn·nk·ρw(6)；
in the formula (6), KeIs the east heat transfer coefficient of the ice crust, KwHeat transfer coefficient of the south side of the ice crust, KnIs the heat transfer coefficient of the ice rind west surface, KsHeat transfer coefficient of the north side of the ice crust, KuIs the heat transfer coefficient at the top of the ice crust, KdThe heat transfer coefficient of ice crust ground; fe-the east surface area of the ice rind; fw-area of the south side of the ice rind; fn-the area of the west side of the ice rind; fs-area of north face of ice rind; fuArea of the top of the ice shell, FdIs ice-shell groundThe area of the face; cpTaking 1kJ/(kg ℃), which is the specific heat of air at constant pressure; vnIs the interior volume of the room, m3；nkThe number of times of ventilation of a room is/h; rhowIs the density of outdoor air in kg/m3。
The physical meaning of the heat capacity of the ice-shell building is that the heat absorbed or released by the room enclosure structure when the indoor air temperature is increased (or decreased) by 1 ℃ is the sum of the heat capacities of the room outer enclosure structure, the room inner enclosure structure, the indoor air, furniture and other parts, and J/DEG C.
S500: the method is based on the structure and thermal performance parameters of the ice-shell building, meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source, and the heat supply quantity of the heat source is accounted by combining the outdoor comprehensive temperature, heat load and cooling characteristics of the ice-shell building.
Specifically, accounting the heat supply amount of the heat source includes determining whether or not it is necessary to supplement another heat source, and determining whether or not a set usage time is satisfied.
The method for judging whether other heat sources need to be supplemented comprises the following steps:
(1) setting a first service time of the ice-shell building according to the use requirement;
(2) calculating a first coefficient by combining the heat load of the ice-shell building and the first service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating;
(3) comparing the first coefficient with a threshold value, and judging whether the waste heat of the hot spring can meet the heating requirement of the ice-shell building;
(4) if the first coefficient is less than the threshold value, the ice-shell building is additionally provided with an additional heat source for heating.
Wherein, the calculation formula of the first coefficient is as follows:
Figure GDA0002690272330000091
in the formula (7), β1Is a first factor, Q is the thermal load of the ice-shell building, Δ Z1Is an ice shellThe first use duration of the building, c is the specific heat capacity of water, ρ is the density of water, G is the total amount of hot spring water, and Δ t is the temperature difference at the beginning and end of hot spring heating.
When judging whether the set use time is satisfied,
in the first case: when the ice-shell building heats through the waste heat of the hot spring and the extra heat source,
(1) setting a second service time of the ice-shell building according to the service requirement;
(2) calculating a second coefficient by combining the heat load of the ice-shell building and the second service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating;
(3) calculating to obtain a third coefficient by combining the second service life of the ice-shell building based on the indoor temperature of the ice-shell building and the cooling characteristic of the ice-shell building;
(4) sorting the second coefficient, the third coefficient and the threshold value, and judging whether the waste heat of the hot spring can meet the second service life of the ice-shell building;
(5) if the third coefficient is less than or equal to the second coefficient and less than or equal to the threshold value, the waste heat of the hot spring can meet the set second service life of the ice-shell building.
Wherein, the calculation formula of the second coefficient is as follows:
Figure GDA0002690272330000101
in the formula (8), β2Is the second coefficient, Q is the thermal load of the ice-shell building, Δ Z2The second service life of the ice-shell building is shown, c is the specific heat capacity of water, rho is the density of the water, G is the total water volume of the hot spring, and delta t is the temperature difference between the beginning and the end of the hot spring heating;
the calculation formula of the third coefficient is as follows:
Figure GDA0002690272330000102
equation (9)) In, beta3Is the third coefficient, Δ Z2For the second duration of use of the ice-shell building, T being the time constant, θoThe difference between the temperatures inside and outside the ice-shell building at the initial time, and θ (z) is the difference between the temperatures inside and outside the ice-shell building at time z.
In the second case: when the ice-shell building only heats by the waste heat of the hot spring,
(1) setting a third service time of the ice-shell building according to the service requirement;
(2) calculating a fourth coefficient by combining the heat load of the ice-shell building and the third service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating;
(3) and calculating the actual heating time of the ice-shell building by combining the fourth coefficient on the basis of the indoor temperature of the ice-shell building and the cooling characteristic of the ice-shell building.
Wherein, the calculation formula of the fourth coefficient is:
Figure GDA0002690272330000103
in the formula (10), β4Is a fourth coefficient, Q is the thermal load of the ice-shell building, Δ Z3The third service life of the ice-shell building is shown, c is the specific heat capacity of water, rho is the density of the water, G is the total water volume of the hot spring, and delta t is the temperature difference between the beginning and the end of the hot spring heating;
the calculation formula of the actual heating time of the ice-shell building is as follows:
Figure GDA0002690272330000111
in formula (11), β4Is a fourth coefficient, Δ Z4The actual heating time of the ice-shell building is prolonged, T is a time constant, thetaoThe difference between the temperatures inside and outside the ice-shell building at the initial time, and θ (z) is the difference between the temperatures inside and outside the ice-shell building at time z.
In this embodiment, all the thresholds are selected as a value 1, and whether or not other heat sources need to be supplemented and whether or not the set use time is met is determined by the thresholds.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A method of heating an ice-shell building, comprising:
acquiring the structure and thermal performance parameters of the ice-shell building, real-time meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source;
calculating the outdoor comprehensive temperature of the ice-crust building based on the structure and thermal performance parameters of the ice-crust building and real-time meteorological parameters of the location of the ice-crust building;
calculating the heat load of the ice-shell building based on the structure and thermal performance parameters of the ice-shell building and by combining the outdoor comprehensive temperature of the ice-shell building;
based on the structure and thermal performance parameters of the ice-shell building and real-time meteorological parameters of the location of the ice-shell building, performing thermal inertia analysis on the ice-shell building by combining the outdoor comprehensive temperature of the ice-shell building to obtain the cooling characteristic of the ice-shell building;
on the basis of the structure and thermal performance parameters of the ice-shell building, meteorological parameters of the place where the ice-shell building is located and heat supply performance parameters of a heat source, the heat supply quantity of the heat source is checked by combining the outdoor comprehensive temperature, heat load and cooling characteristics of the ice-shell building, and the method comprises the following steps: setting a first service time of the ice-shell building according to the use requirement; calculating a first coefficient by combining the heat load of the ice-shell building and the first service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating; comparing the first coefficient with a threshold value, and judging whether the waste heat of the hot spring can meet the heating requirement of the ice-shell building; if the first coefficient is less than the threshold value, an additional heat source is added to the ice-shell building for heating; when the ice-shell building heats through the hot spring waste heat and an additional heat source, setting a second use duration of the ice-shell building according to use requirements; calculating a second coefficient by combining the heat load of the ice-shell building and the second service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating; and if the third coefficient is less than or equal to the second coefficient and less than or equal to the threshold value, the waste heat of the hot spring can meet the set second service duration of the ice-shell building.
2. The heating method according to claim 1,
the real-time meteorological parameters of the place where the ice-shell building is located comprise the outdoor temperature and the solar radiation intensity of the ice-shell building;
the heat source is the waste heat of the hot spring, and the heat supply performance parameters of the heat source comprise the specific heat capacity of water, the density of the water, the total water quantity of the hot spring and the temperature difference between the beginning and the end of the hot spring heating.
3. The heating method according to claim 2, wherein the cooling characteristic of the ice-shell building is represented by the following relationship:
Figure FDA0002690272320000021
wherein z isoIs the initial time, z is any time after the initial time, thetaoIs the temperature difference between the inside and the outside of the ice-shell building at the initial moment, theta (z) is the temperature difference between the inside and the outside of the ice-shell building at the moment z, and T is a time constant.
4. The heating method according to claim 3, wherein the time constant T is related to the ice crust building material, the construction level and the area size by the following relation:
T＝A/I；
wherein A is the unit temperature difference heat transfer capacity of the ice-shell building, W/DEG C; i is the thermal capacity of the ice-shell building, J/DEG C.
5. The heating method according to claim 1, wherein the first coefficient is calculated by the formula:
Figure FDA0002690272320000022
wherein, beta1Is a first factor, Q is the thermal load of the ice-shell building, Δ Z1The first service time of the ice-shell building is, c is the specific heat capacity of water, rho is the density of water, G is the total amount of hot spring water, and delta t is the temperature difference between the beginning and the end of hot spring heating.
6. The heating method according to claim 1, wherein the second coefficient is calculated by the formula:
Figure FDA0002690272320000031
wherein, beta2Is the second coefficient, Q is the thermal load of the ice-shell building, Δ Z2The second service life of the ice-shell building is shown, c is the specific heat capacity of water, rho is the density of the water, G is the total water volume of the hot spring, and delta t is the temperature difference between the beginning and the end of the hot spring heating;
the calculation formula of the third coefficient is as follows:
Figure FDA0002690272320000032
wherein, beta3Is the third coefficient, Δ Z2For the second duration of use of the ice-shell building, T being the time constant, θoFor buildings with ice shells at the initial momentThe difference between the internal and external temperatures, theta (z), is the difference between the internal and external temperatures of the ice-shell building at time z.
7. The heating method according to claim 1, wherein if the first factor < the threshold, the ice-shell building is heated by adding an additional heat source, comprising:
when the ice-shell building only heats by the waste heat of the hot spring;
setting a third service time of the ice-shell building according to the service requirement;
calculating a fourth coefficient by combining the heat load of the ice-shell building and the third service life of the ice-shell building on the basis of the specific heat capacity of water, the density of water, the total water volume of the hot spring and the temperature difference between the beginning and the end of the hot spring heating;
and calculating the actual heating time of the ice-shell building by combining the fourth coefficient on the basis of the indoor temperature of the ice-shell building and the cooling characteristic of the ice-shell building.
8. The heating method according to claim 7, wherein the fourth coefficient is calculated by the formula:
Figure FDA0002690272320000041
wherein, beta4Is a fourth coefficient, Q is the thermal load of the ice-shell building, Δ Z3The third service life of the ice-shell building is shown, c is the specific heat capacity of water, rho is the density of the water, G is the total water volume of the hot spring, and delta t is the temperature difference between the beginning and the end of the hot spring heating;
the calculation formula of the actual heating time of the ice-shell building is as follows:
Figure FDA0002690272320000042
wherein, beta4Is a fourth coefficient, Δ Z4The actual heating time of the ice-shell building is prolonged, T is a time constant, thetaoFor the initial moment inside the ice-shell buildingAnd the temperature difference of the outside, theta (z) is the temperature difference between the inside and the outside of the ice-shell building at the moment z.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066055A (en) * 1983-09-21 1985-04-16 Matsushita Electric Ind Co Ltd Solar water heater
CN107062383A (en) * 2017-04-27 2017-08-18 华电电力科学研究院 A kind of Real-time Load computational methods for considering building thermal inertia and solar radiation influence
CN107449010A (en) * 2017-09-20 2017-12-08 哈尔滨工业大学建筑设计研究院 A kind of ice and snow sports building Spectator Seating heating system using equipment waste heat

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
US9386230B1 (en) * 2015-06-12 2016-07-05 Google Inc. Day and night detection based on one or more of illuminant detection, lux level detection, and tiling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066055A (en) * 1983-09-21 1985-04-16 Matsushita Electric Ind Co Ltd Solar water heater
CN107062383A (en) * 2017-04-27 2017-08-18 华电电力科学研究院 A kind of Real-time Load computational methods for considering building thermal inertia and solar radiation influence
CN107449010A (en) * 2017-09-20 2017-12-08 哈尔滨工业大学建筑设计研究院 A kind of ice and snow sports building Spectator Seating heating system using equipment waste heat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
建筑热质与太阳能空气采暖耦合作用研究;杨文晓;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20110615;第C038-202页 *

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