CN111397402A - Waste heat recovery type cooling water system - Google Patents
Waste heat recovery type cooling water system Download PDFInfo
- Publication number
- CN111397402A CN111397402A CN202010309595.4A CN202010309595A CN111397402A CN 111397402 A CN111397402 A CN 111397402A CN 202010309595 A CN202010309595 A CN 202010309595A CN 111397402 A CN111397402 A CN 111397402A
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- Prior art keywords
- water
- pipe
- cold
- water tank
- cold insulation
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- 239000000498 cooling water Substances 0.000 title claims abstract description 67
- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 314
- 238000009413 insulation Methods 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 claims description 2
- 239000008400 supply water Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 13
- 238000002309 gasification Methods 0.000 abstract description 5
- 230000008016 vaporization Effects 0.000 description 15
- 238000009834 vaporization Methods 0.000 description 15
- 230000001502 supplementing effect Effects 0.000 description 12
- 238000012546 transfer Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an afterheat recovery type cooling water system which comprises a cold insulation water tank, and a water replenishing pipe, a hot water pipe, a cold water pipe and a drain pipe which are respectively communicated with the cold insulation water tank, wherein the cold insulation water tank comprises a cold insulation layer wrapped on the cold insulation water tank, a coil pipe arranged in the cold insulation water tank, a gas pipe communicated with the upper end of the coil pipe, a liquid pipe communicated with the lower end of the coil pipe, a water supply water collecting pipe arranged at the bottom of the cold insulation water tank and a return water distribution pipe arranged at the top of the cold insulation water tank, the upper semicircular part of the water supply water collecting pipe is provided with a row of uniformly distributed small holes, the water supply water collecting pipe is communicated with one end of the cold water pipe, the lower semicircular part of the return water distribution pipe is provided with a row of uniformly distributed small holes, and the return water distribution pipe is communicated. The waste heat recovery type cooling water system disclosed by the invention can improve the gasification heat exchange effect and stability of liquefied gas.
Description
Technical Field
The invention relates to a waste heat recovery type cooling water system which can be used for cooling water supply and return water of cold water units for various factory buildings and civil buildings or air conditioners and belongs to the technical field of cooling.
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.
Disclosure of Invention
In view of the above disadvantages of the existing cooling water system, the present invention provides a cooling water recovery system for recovering waste heat, which can improve the effect and stability of liquefied gas gasification heat exchange.
In order to achieve the purpose, the invention 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 an aspect of the present invention, a cooling water circulation pump is provided on the cold water pipe, a cold water supply pipe is provided on the cold water pipe, a cold water control valve is provided on the cold water supply pipe, the cold water supply pipe is used for supplying cold water, a hot water supply pipe is provided on the hot water pipe, a hot water valve is provided on the hot water supply pipe, and the hot water supply pipe is used for supplying hot water.
According to one aspect of the invention, a thermometer and a liquid level meter are arranged on the cold-insulation water tank.
According to one aspect of the invention, the waste heat recovery type cooling water system further comprises an overflow pipe, one end of the overflow pipe is arranged at the top of the cold insulation water tank and is communicated with the inside of the cold insulation water tank, and the other end of the overflow pipe is communicated with the drain pipe. The overflow pipe can discharge the redundant liquid in the cold-keeping water tank.
According to one aspect of the invention, the water replenishing pipe is provided with a water replenishing control valve, the liquid level meter controls the opening and closing of the water replenishing control valve, the water replenishing control valve is opened when the liquid level meter 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. The water replenishing is controlled by the liquid level meter, the automation can be realized, and the manual operation is not needed.
According to one aspect of the invention, the overflow tube is in communication with the outside. The atmospheric pressure in the cold insulation water tank is the same as the outside through the overflow pipe.
According to one aspect of the invention, a bypass pipe is provided on the cold water pipe to communicate with the hot water pipe, and a bypass valve is provided on the bypass pipe.
According to one aspect of the invention, the cooling water circulating pump is a variable frequency pump, and the circulating flow is adjusted together with the bypass control valve according to the gas consumption of liquefied gas and the cold load of the water chilling unit.
The implementation of the invention has the advantages that:
the invention provides a waste heat recovery type cooling water system which comprises a cold insulation water tank, and a water replenishing pipe, a hot water pipe, a cold water pipe and a drain pipe which are respectively communicated with the cold insulation water tank, wherein the cold insulation water tank comprises a cold insulation layer wrapped on the cold insulation water tank, a coil pipe arranged in the cold insulation water tank, a gas pipe communicated with the upper end of the coil pipe, a liquid pipe communicated with the lower end of the coil pipe, a water supply water collecting pipe arranged at the bottom of the cold insulation water tank and a return water distribution pipe arranged at the top of the cold insulation water tank, the upper semicircular part of the water supply water collecting pipe is provided with a row of uniformly distributed small holes, the water supply water collecting pipe is communicated with one end of the cold water pipe, the lower semicircular part of the return water distribution pipe is provided with a row of uniformly distributed small holes, and the return water distribution pipe. 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 implementation of the invention has the advantages that:
the invention provides a waste heat recovery type cooling water system which comprises a cold insulation water tank, and a water replenishing pipe, a hot water pipe, a cold water pipe and a drain pipe which are respectively communicated with the cold insulation water tank, wherein the cold insulation water tank comprises a cold insulation layer wrapped on the cold insulation water tank, a coil pipe arranged in the cold insulation water tank, a gas pipe communicated with the upper end of the coil pipe, a liquid pipe communicated with the lower end of the coil pipe, a water supply water collecting pipe arranged at the bottom of the cold insulation water tank and a return water distribution pipe arranged at the top of the cold insulation water tank, the upper semicircular part of the water supply water collecting pipe is provided with a row of uniformly distributed small holes, the water supply water collecting pipe is communicated with one end of the cold water pipe, the lower semicircular part of the return water distribution pipe is provided with a row of uniformly distributed small holes, and the return water distribution pipe. 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 implementation of the invention has the advantages that:
the invention provides a waste heat recovery type cooling water system which comprises a cold insulation water tank, and a water replenishing pipe, a hot water pipe, a cold water pipe and a drain pipe which are respectively communicated with the cold insulation water tank, wherein the cold insulation water tank comprises a cold insulation layer wrapped on the cold insulation water tank, a coil pipe arranged in the cold insulation water tank, a gas pipe communicated with the upper end of the coil pipe, a liquid pipe communicated with the lower end of the coil pipe, a water supply water collecting pipe arranged at the bottom of the cold insulation water tank and a return water distribution pipe arranged at the top of the cold insulation water tank, the upper semicircular part of the water supply water collecting pipe is provided with a row of uniformly distributed small holes, the water supply water collecting pipe is communicated with one end of the cold water pipe, the lower semicircular part of the return water distribution pipe is provided with a row of uniformly distributed small holes, and the return water distribution pipe. 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 an embodiment of the present invention, but the 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 disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended 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. A waste heat recovery type cooling water system according to any one of claims 1 to 3, wherein a water replenishing control valve is provided in the water replenishing pipe, the level meter controls the opening and closing of the water replenishing control valve, and the water replenishing control valve is opened at a low level and closed at a high 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 |
|---|---|---|---|
| CN202010309595.4A CN111397402A (en) | 2020-04-20 | 2020-04-20 | Waste heat recovery type cooling water system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309595.4A CN111397402A (en) | 2020-04-20 | 2020-04-20 | Waste heat recovery type cooling water system |
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| CN111397402A true CN111397402A (en) | 2020-07-10 |
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| CN202010309595.4A Pending CN111397402A (en) | 2020-04-20 | 2020-04-20 | Waste heat recovery type cooling water system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205897542U (en) * | 2016-07-22 | 2017-01-18 | 中国联合工程公司 | Water tank heat accumulation formula heat pump system |
| CN109442802A (en) * | 2018-11-29 | 2019-03-08 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of economic benefits and social benefits water cooler cold-hot combined supply system |
| CN110617726A (en) * | 2019-10-07 | 2019-12-27 | 上海康恒环境股份有限公司 | Liquefied gas vaporization cold-storage system |
| CN213041065U (en) * | 2020-04-20 | 2021-04-23 | 中机国能电力工程有限公司 | Waste heat recovery type cooling water system |
-
2020
- 2020-04-20 CN CN202010309595.4A patent/CN111397402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205897542U (en) * | 2016-07-22 | 2017-01-18 | 中国联合工程公司 | Water tank heat accumulation formula heat pump system |
| CN109442802A (en) * | 2018-11-29 | 2019-03-08 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of economic benefits and social benefits water cooler cold-hot combined supply system |
| CN110617726A (en) * | 2019-10-07 | 2019-12-27 | 上海康恒环境股份有限公司 | Liquefied gas vaporization cold-storage system |
| CN213041065U (en) * | 2020-04-20 | 2021-04-23 | 中机国能电力工程有限公司 | Waste heat recovery type cooling water system |
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