CN213041065U - Waste heat recovery type cooling water system - Google Patents
Waste heat recovery type cooling water system Download PDFInfo
- Publication number
- CN213041065U CN213041065U CN202020585072.8U CN202020585072U CN213041065U CN 213041065 U CN213041065 U CN 213041065U CN 202020585072 U CN202020585072 U CN 202020585072U CN 213041065 U CN213041065 U CN 213041065U
- Authority
- CN
- China
- Prior art keywords
- pipe
- water
- cold
- water tank
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a waste heat recovery type cooling water system, waste heat recovery type cooling water system includes cold insulation water tank and water supplementing pipe, hot-water line, cold water pipe and the drain pipe that communicates with cold insulation water tank respectively, cold insulation water tank includes the cold insulation layer of parcel on cold insulation water tank, set up coil pipe in cold insulation water tank, with the gas pipe of the upper end intercommunication of coil pipe, the liquid pipe that is linked together with the coil pipe lower extreme, set up the water supply collector pipe in cold water tank bottom and set up the return water distributor pipe at cold water tank top, one row of equipartition aperture is seted up to the last semicircle part of pipeline of water supply collector pipe, the water supply collector pipe is linked together with the one end of cold water pipe, one row of equipartition aperture is seted up to the semicircle part under the pipeline of return water distributor pipe, the return water distributor pipe is linked together with the one. The utility model discloses a waste heat recovery type cooling water system can improve liquefied gas gasification heat transfer's effect and stability.
Description
Technical Field
The utility model relates to a waste heat recovery type cooling water system can be used to the cooling water of the technology or idle call cooling water set of various factory buildings, civil buildings supplies the return water, belongs to the cooling technology field.
Background
The cooling water at the condenser side of the water chilling unit is generally provided by a cooling tower, the cooling tower is generally an outdoor open type cooling tower in the conventional design, the return water temperature of the cooling water of the cooling tower is generally 37 ℃, the return water is difficult to utilize due to low heat grade, and the heat is generally directly dissipated to the atmosphere through air cooling. On the other hand, through air cooling, the water floating rate is high, the water replenishing consumption of cooling water is large, and energy and water are not saved.
In addition, the bulk of the gas used in a plant is often produced by the vaporization of a liquefied gas in a high pressure cryogenic storage tank, and the vaporization process is typically accomplished by an air bath vaporizer. The conventional air bath type vaporizer adopts outdoor air as a heat source, so that the heat exchange effect is unstable and poor due to unstable temperature and flow rate of the outdoor air; when the gas is continuously supplied, the evaporator is frosted and iced due to untimely heat exchange, the heat exchange effect is further deteriorated, and the sufficient gas demand is difficult to provide.
How to utilize the low-grade heat of the cooling water backwater to solve the problem of stable vaporization of the liquefied gas becomes the focus of attention and research.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned not enough that present cooling water system exists, the utility model provides a waste heat recovery's cooling water recovery system can improve liquefied gas gasification heat transfer's effect and stability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a waste heat recovery type cooling water system, waste heat recovery type cooling water system includes cold insulation water tank and moisturizing pipe, hot-water line, cold water pipe and the drain pipe that communicates with cold insulation water tank respectively, cold insulation water tank is including the cold insulation layer of parcel on cold insulation water tank, set up coil pipe in cold insulation water tank, with the gas pipe of the upper end intercommunication of coil pipe, the liquid pipe that is linked together with the coil pipe lower extreme, set up the water supply collector pipe in cold insulation water tank bottom and set up the return water distributor pipe at cold water tank top, the semicircle part is seted up one row of equipartition aperture on the pipeline of water supply collector pipe, the water supply collector pipe is linked together with the one end of cold water pipe, the semicircle part is seted up one row of equipartition aperture under the pipeline of return water distributor pipe, the return water distributor pipe is linked together.
According to the utility model discloses an aspect, be provided with the cooling water circulating pump on the cold water pipe, the cold water pipe on be provided with the cold water delivery pipe, be provided with cold water control valve on the cold water delivery pipe, the cold water delivery pipe is used for providing cold water, be provided with the hot water delivery pipe on the hot water pipe, be provided with the hot water valve on the hot water delivery pipe, the hot water delivery pipe is used for providing hot water.
According to the utility model discloses an aspect, be provided with thermometer and level gauge on the cold insulation water tank.
According to the utility model discloses an aspect, waste heat recovery type cooling water system still includes the overflow pipe, overflow pipe one end set up at the top of cold insulation water tank and with the inside intercommunication of cold insulation water tank, the other end and the drain pipe of overflow pipe are linked together. The overflow pipe can discharge the redundant liquid in the cold-keeping water tank.
According to the utility model discloses an aspect, be provided with on the moisturizing pipe and mend water control valve, level gauge control moisturizing control valve opens and close, moisturizing control valve opens when the low liquid level of level gauge, mends water control valve and closes when high liquid level. The water replenishing is controlled by the liquid level meter, the automation can be realized, and the manual operation is not needed.
According to an aspect of the present invention, the overflow pipe communicates with the outside. The atmospheric pressure in the cold insulation water tank is the same as the outside through the overflow pipe.
According to an aspect of the utility model, be provided with the bypass pipe with the hot-water line intercommunication on the cold water pipe, be provided with the bypass valve on the bypass pipe.
According to the utility model discloses an aspect, the cooling water circulating pump be the inverter pump, adjust the circulation flow jointly with the bypass control valve according to liquefied gas tolerance and cooling water set cold load.
The utility model discloses the advantage of implementing:
the utility model provides a waste heat recovery type cooling water system, waste heat recovery type cooling water system includes cold insulation water tank and water supplementing pipe, hot-water line, cold water pipe and the drain pipe that communicates with cold insulation water tank respectively, cold insulation water tank includes the cold insulation layer of parcel on cold insulation water tank, set up coil pipe in cold insulation water tank, with the gas pipe of the upper end intercommunication of coil pipe, the liquid pipe that is linked together with the coil pipe lower extreme, set up the water supply collector pipe in cold water tank bottom and set up the return water distributor pipe at cold water tank top, one row of equipartition aperture is seted up to the first semicircle part of the pipeline of water supply collector pipe, the water supply collector pipe is linked together with the one end of cold water pipe, one row of equipartition aperture is seted up to the semicircle part under the pipeline of return water distributor pipe, the return water distributor pipe is linked together with. The effect and the stability of liquefied gas gasification heat transfer can be improved. The waste heat of the low-grade cooling water of the water chilling unit is fully utilized to be used for liquefied gas vaporization, the residual water is used for supplementing water to a hot water supply pipe according to different temperatures, the high-temperature cooling water backwater is used for supplementing water to the hot water supply pipe, the low-temperature cooling water is used for supplementing water to a cold water supply pipe, and the influence of the supplementing water on the system temperature is reduced. For cooling of the water chilling unit, the closed cooling system is equivalently adopted, the unsteady state influence of the outdoor environment is reduced, the water floating rate and the consumption of cooling water are reduced, the water supply temperature of the cooling water is reduced, the water quality of the cooling water is ensured, and the heat exchange effect and the stability of the cooling system are improved; for the vaporization of the liquefied gas, the water bath type vaporization is equivalently adopted, the unsteady state influence of the outdoor environment is reduced, and the heat exchange effect and the stability of the vaporization of the liquefied gas are improved by adopting vapor-liquid heat exchange.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a waste heat recovery type cooling water system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a waste heat recovery type cooling water system comprises a cold-keeping water tank 4, and a water replenishing pipe 3, a hot water pipe 19, a cold water pipe 18 and a water discharging pipe 11 which are respectively communicated with the cold-keeping water tank 4, the cold insulation water tank 4 comprises a cold insulation layer 5 wrapped on the cold insulation water tank 4, a coil pipe 9 arranged in the cold insulation water tank 4, a gas pipe 2 communicated with the upper end of the coil pipe 9, a liquid pipe 1 communicated with the lower end of the coil pipe 9, a water supply and collection pipe 10 arranged at the bottom of the cold insulation water tank 4 and a return water distribution pipe 8 arranged at the top of the cold insulation water tank 4, the upper semi-circle part of the pipeline of the water supply collecting pipe 10 is provided with a row of uniformly distributed small holes, the water supply collecting pipe 10 is communicated with one end of a cold water pipe 18, the lower semicircular part of the pipeline of the return water distribution pipe 8 is provided with a row of uniformly distributed small holes, and the return water distribution pipe 8 is communicated with one end of the hot water pipe 19.
In practical use, the hot water pipe 19 on the condenser side of the water chilling unit is connected to the cold insulation water tank 4, cooling water return water is uniformly distributed at the top of the cold insulation water tank 4 through the return water distribution pipe 8, after forming countercurrent vapor-liquid heat exchange with liquefied gas in the coil pipe 9, the liquefied gas is evaporated and then is discharged through the gas pipe 2 at the upper part of the coil pipe 9, and the cooling water return water is cooled and then is connected to the cooling water circulating pump 14 through the water supply water collecting pipe 10 and is connected to the condenser side of the water chilling unit through the cold water pipe 18. One branch of the high-temperature cooling water return pipe 19 can be used for supplying water to the hot water supply pipe 20 through the hot water control valve 15, and one branch of the low-temperature cooling water supply pipe 18 can be used for supplying water to the cold water pipe 21 through the cold water control valve 16.
In this embodiment, the cold water pipe 18 is provided with a cooling water circulation pump 14, the cold water pipe 18 is provided with a cold water supply pipe 21, the cold water supply pipe 21 is provided with a cold water control valve 16, the cold water supply pipe 21 is used for supplying cold water, the hot water pipe 19 is provided with a hot water supply pipe 20, the hot water supply pipe 20 is provided with a hot water valve 15, and the hot water supply pipe 15 is used for supplying hot water.
In the present embodiment, the cold storage water tank 4 is provided with a thermometer 6 and a liquid level meter 7.
In this embodiment, the waste heat recovery type cooling water system further includes an overflow pipe 13, one end of the overflow pipe 13 is disposed on the top of the cold-storage water tank 4 and is communicated with the inside of the cold-storage water tank 4, and the other end of the overflow pipe 13 is communicated with the drain pipe 11.
The utility model discloses the advantage of implementing:
the utility model provides a waste heat recovery type cooling water system, waste heat recovery type cooling water system includes cold insulation water tank and water supplementing pipe, hot-water line, cold water pipe and the drain pipe that communicates with cold insulation water tank respectively, cold insulation water tank includes the cold insulation layer of parcel on cold insulation water tank, set up coil pipe in cold insulation water tank, with the gas pipe of the upper end intercommunication of coil pipe, the liquid pipe that is linked together with the coil pipe lower extreme, set up the water supply collector pipe in cold water tank bottom and set up the return water distributor pipe at cold water tank top, one row of equipartition aperture is seted up to the first semicircle part of the pipeline of water supply collector pipe, the water supply collector pipe is linked together with the one end of cold water pipe, one row of equipartition aperture is seted up to the semicircle part under the pipeline of return water distributor pipe, the return water distributor pipe is linked together with. The effect and the stability of liquefied gas gasification heat transfer can be improved. The waste heat of the low-grade cooling water of the water chilling unit is fully utilized to be used for liquefied gas vaporization, the residual water is used for supplementing water to a hot water supply pipe according to different temperatures, the high-temperature cooling water backwater is used for supplementing water to the hot water supply pipe, the low-temperature cooling water is used for supplementing water to a cold water supply pipe, and the influence of the supplementing water on the system temperature is reduced. For cooling of the water chilling unit, the closed cooling system is equivalently adopted, the unsteady state influence of the outdoor environment is reduced, the water floating rate and the consumption of cooling water are reduced, the water supply temperature of the cooling water is reduced, the water quality of the cooling water is ensured, and the heat exchange effect and the stability of the cooling system are improved; for the vaporization of the liquefied gas, the water bath type vaporization is equivalently adopted, the unsteady state influence of the outdoor environment is reduced, and the heat exchange effect and the stability of the vaporization of the liquefied gas are improved by adopting vapor-liquid heat exchange. The overflow pipe can discharge the redundant liquid in the cold-keeping water tank.
Example two:
as shown in fig. 1, a waste heat recovery type cooling water system comprises a cold-keeping water tank 4, and a water replenishing pipe 3, a hot water pipe 19, a cold water pipe 18 and a water discharging pipe 11 which are respectively communicated with the cold-keeping water tank 4, the cold insulation water tank 4 comprises a cold insulation layer 5 wrapped on the cold insulation water tank 4, a coil pipe 9 arranged in the cold insulation water tank 4, a gas pipe 2 communicated with the upper end of the coil pipe 9, a liquid pipe 1 communicated with the lower end of the coil pipe 9, a water supply and collection pipe 10 arranged at the bottom of the cold insulation water tank 4 and a return water distribution pipe 8 arranged at the top of the cold insulation water tank 4, the upper semi-circle part of the pipeline of the water supply collecting pipe 10 is provided with a row of uniformly distributed small holes, the water supply collecting pipe 10 is communicated with one end of a cold water pipe 18, the lower semicircular part of the pipeline of the return water distribution pipe 8 is provided with a row of uniformly distributed small holes, and the return water distribution pipe 8 is communicated with one end of the hot water pipe 19.
In practical use, the hot water pipe 19 on the condenser side of the water chilling unit is connected to the cold insulation water tank 4, cooling water return water is uniformly distributed at the top of the cold insulation water tank 4 through the return water distribution pipe 8, after forming countercurrent vapor-liquid heat exchange with liquefied gas in the coil pipe 9, the liquefied gas is evaporated and then is discharged through the gas pipe 2 at the upper part of the coil pipe 9, and the cooling water return water is cooled and then is connected to the cooling water circulating pump 14 through the water supply water collecting pipe 10 and is connected to the condenser side of the water chilling unit through the cold water pipe 18. One branch of the high-temperature cooling water return pipe 19 can be used for supplying water to the hot water supply pipe 20 through the hot water control valve 15, and one branch of the low-temperature cooling water supply pipe 18 can be used for supplying water to the cold water pipe 21 through the cold water control valve 16.
In this embodiment, the cold water pipe 18 is provided with a cooling water circulation pump 14, the cold water pipe 18 is provided with a cold water supply pipe 21, the cold water supply pipe 21 is provided with a cold water control valve 16, the cold water supply pipe 21 is used for supplying cold water, the hot water pipe 19 is provided with a hot water supply pipe 20, the hot water supply pipe 20 is provided with a hot water valve 15, and the hot water supply pipe 15 is used for supplying hot water.
In the present embodiment, the cold storage water tank 4 is provided with a thermometer 6 and a liquid level meter 7.
In this embodiment, the waste heat recovery type cooling water system further includes an overflow pipe 13, one end of the overflow pipe 13 is disposed on the top of the cold-storage water tank 4 and is communicated with the inside of the cold-storage water tank 4, and the other end of the overflow pipe 13 is communicated with the drain pipe 11.
In this embodiment, the water replenishing pipe 3 is provided with a water replenishing control valve 12, the liquid level meter 7 controls the opening and closing of the water replenishing control valve 12, the water replenishing control valve 12 is opened when the liquid level meter 7 is at a low liquid level, and the water replenishing control valve is closed when the liquid level meter is at a high liquid level.
In this embodiment, the overflow pipe 13 communicates with the outside.
In the present embodiment, a bypass pipe communicating with the hot water pipe 19 is provided to the cold water pipe 18, and the bypass pipe is provided with the bypass valve 17.
In this embodiment, the cooling water circulation pump 14 is a variable frequency pump, and the circulation flow rate is adjusted by the bypass control valve 17 together with the amount of the liquefied gas and the cooling load of the water chiller.
The utility model discloses the advantage of implementing:
the utility model provides a waste heat recovery type cooling water system, waste heat recovery type cooling water system includes cold insulation water tank and water supplementing pipe, hot-water line, cold water pipe and the drain pipe that communicates with cold insulation water tank respectively, cold insulation water tank includes the cold insulation layer of parcel on cold insulation water tank, set up coil pipe in cold insulation water tank, with the gas pipe of the upper end intercommunication of coil pipe, the liquid pipe that is linked together with the coil pipe lower extreme, set up the water supply collector pipe in cold water tank bottom and set up the return water distributor pipe at cold water tank top, one row of equipartition aperture is seted up to the first semicircle part of the pipeline of water supply collector pipe, the water supply collector pipe is linked together with the one end of cold water pipe, one row of equipartition aperture is seted up to the semicircle part under the pipeline of return water distributor pipe, the return water distributor pipe is linked together with. The effect and the stability of liquefied gas gasification heat transfer can be improved. The waste heat of the low-grade cooling water of the water chilling unit is fully utilized to be used for liquefied gas vaporization, the residual water is used for supplementing water to a hot water supply pipe according to different temperatures, the high-temperature cooling water backwater is used for supplementing water to the hot water supply pipe, the low-temperature cooling water is used for supplementing water to a cold water supply pipe, and the influence of the supplementing water on the system temperature is reduced. For cooling of the water chilling unit, the closed cooling system is equivalently adopted, the unsteady state influence of the outdoor environment is reduced, the water floating rate and the consumption of cooling water are reduced, the water supply temperature of the cooling water is reduced, the water quality of the cooling water is ensured, and the heat exchange effect and the stability of the cooling system are improved; for the vaporization of the liquefied gas, the water bath type vaporization is equivalently adopted, the unsteady state influence of the outdoor environment is reduced, and the heat exchange effect and the stability of the vaporization of the liquefied gas are improved by adopting vapor-liquid heat exchange. The overflow pipe can discharge the redundant liquid in the cold-keeping water tank. The water replenishing is controlled by the liquid level meter, the automation can be realized, and the manual operation is not needed. The atmospheric pressure in the cold insulation water tank is the same as the outside through the overflow pipe.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a waste heat recovery type cooling water system, its characterized in that, waste heat recovery type cooling water system includes cold insulation water tank and moisturizing pipe, hot-water line, cold water pipe and the drain pipe that communicates with cold insulation water tank respectively, cold insulation water tank includes the cold insulation layer of parcel on cold insulation water tank, sets up the coil pipe in cold insulation water tank, the gas pipe that communicates with the upper end of coil pipe, the liquid pipe that is linked together with the coil pipe lower extreme, sets up the water supply collector pipe in cold insulation water tank bottom and sets up the return water distributor pipe at cold water tank top, the upper semicircle part of pipeline of water supply collector pipe sets up one row of equipartition aperture, the water supply collector pipe is linked together with the one end of cold water pipe, the semicircle part is seted up one row of equipartition aperture under the pipeline of return water distributor pipe, the return water distributor pipe is linked.
2. The waste heat recovery type cooling water system as claimed in claim 1, wherein a cooling water circulation pump is provided to the cold water pipe, a cold water supply pipe is provided to the cold water pipe, a cold water control valve is provided to the cold water supply pipe, the cold water supply pipe is provided to supply cold water, a hot water supply pipe is provided to the hot water pipe, and a hot water valve is provided to the hot water supply pipe, the hot water supply pipe is provided to supply hot water.
3. The waste heat recovery type cooling water system as claimed in claim 2, wherein a thermometer and a liquid level gauge are provided on the cold-holding water tank.
4. The waste heat recovery type cooling water system as claimed in claim 3, further comprising an overflow pipe, one end of the overflow pipe being disposed at the top of the cold-holding water tank and communicating with the inside of the cold-holding water tank, and the other end of the overflow pipe being communicated with the drain pipe.
5. The waste heat recovery type cooling water system according to claim 4, wherein a water supply control valve is provided on the water supply pipe, the level meter controls opening and closing of the water supply control valve, the water supply control valve is opened when the level meter is at a low liquid level, and the water supply control valve is closed when the level meter is at a high liquid level.
6. The waste heat recovery type cooling water system as claimed in claim 5, wherein the overflow pipe is in communication with the outside.
7. The waste heat recovery type cooling water system as claimed in claim 5, wherein a bypass pipe communicating with the hot water pipe is provided to the cold water pipe, and a bypass valve is provided to the bypass pipe.
8. The waste heat recovery type cooling water system as claimed in claim 5, wherein the cooling water circulation pump is a variable frequency pump, and the circulation flow rate is adjusted in accordance with the amount of the liquefied gas and the cooling load of the water chiller together with a bypass control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585072.8U CN213041065U (en) | 2020-04-20 | 2020-04-20 | Waste heat recovery type cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585072.8U CN213041065U (en) | 2020-04-20 | 2020-04-20 | Waste heat recovery type cooling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213041065U true CN213041065U (en) | 2021-04-23 |
Family
ID=75519348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020585072.8U Active CN213041065U (en) | 2020-04-20 | 2020-04-20 | Waste heat recovery type cooling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213041065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397402A (en) * | 2020-04-20 | 2020-07-10 | 中机国能电力工程有限公司 | Waste heat recovery type cooling water system |
-
2020
- 2020-04-20 CN CN202020585072.8U patent/CN213041065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397402A (en) * | 2020-04-20 | 2020-07-10 | 中机国能电力工程有限公司 | Waste heat recovery type cooling water system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106765783B (en) | Energy-saving high-precision wine cellar air conditioning system combining water cold accumulation and natural cold source | |
| CN103557674B (en) | A kind of safety control system for the defrosting of freezer warm refrigerant | |
| CN107218643A (en) | The heating and cooling system of solar cross-season heat-storage heat release is realized using electric heat pump | |
| CN211977330U (en) | Cold volume recovery system of liquid oxygen of hospital | |
| CN213041065U (en) | Waste heat recovery type cooling water system | |
| CN201666706U (en) | Refrigerating system | |
| CN110617726A (en) | Liquefied gas vaporization cold-storage system | |
| CN101915479B (en) | Refrigerating and heating energy-saving system with heat source tower | |
| CN210267858U (en) | LNG cold energy and exhaust-heat boiler waste heat refrigerated simultaneous cooling system | |
| CN211345956U (en) | Liquefied natural gas cold energy ice making device | |
| CN205227917U (en) | Steam condensate water and waste heat recovery utilizes system thereof | |
| CN208671418U (en) | The enrichment facility of air energy heat pump solution | |
| CN207531708U (en) | A kind of water refrigeration system | |
| CN208425085U (en) | Data center computer room whole year with antifreezing water tank runs air-conditioning cooling device | |
| CN112611036B (en) | Frost-free air source heat pump system for realizing freezing regeneration and ice cold accumulation by using LNG cold energy | |
| CN111397402A (en) | Waste heat recovery type cooling water system | |
| CN103363606B (en) | There is the multi-freezing pipe ice-storage air-conditioning system of liquid level equilibrium mechanism | |
| CN102080880B (en) | Solar heat supply refrigerating system | |
| CN204176831U (en) | The dynamic fluid state ice ice-storage air-conditioning of middle-size and small-size large temperature difference Double-working-condition | |
| CN209484908U (en) | A kind of air-cooled direct-expansion-type supercooled water ice slurry unit | |
| CN103353151B (en) | The ice-storage air-conditioning system of LNG cold energy recycle can be realized | |
| CN203274090U (en) | Closed ice storage air conditioner heat pump device | |
| CN201637196U (en) | Solar heating and cooling system | |
| CN209230378U (en) | Carbon dioxide vaporization cold energy recycles the enclosed alcohol water energy storage equipment with high/low temperature tank | |
| CN114087523B (en) | BOG processing device and method for LNG storage and distribution station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |