CN108180675A - It is a kind of to be in direct contact evaporation heat pump system using waste heat - Google Patents
It is a kind of to be in direct contact evaporation heat pump system using waste heat Download PDFInfo
- Publication number
- CN108180675A CN108180675A CN201810148636.9A CN201810148636A CN108180675A CN 108180675 A CN108180675 A CN 108180675A CN 201810148636 A CN201810148636 A CN 201810148636A CN 108180675 A CN108180675 A CN 108180675A
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- Prior art keywords
- direct contact
- fluid
- heat
- waste heat
- outlet
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention is disclosed is in direct contact evaporation heat pump system using waste heat, including compressor, heat storage tank, boiler, the condenser coil being placed in boiler, waste heat fluid coil pipe, the direct contact evapouration being placed in heat storage tank；Compressor outlet is connect with condenser coil import, condenser coil outlet is connected by the cryogenic liquid inlet of heating power expansion valve and the working fluid of direct contact evapouration, and the cryogenic gas outlet of the working fluid of direct contact evapouration is connect with the entrance of compressor；Heat storage tank outlet is pumped through thermal storage fluid to be connect with the thermal storage fluid entrance of direct contact evapouration, and the thermal storage fluid outlet of direct contact evapouration is connect through thermal storage fluid shut-off valve with accumulation of heat tank inlet；Waste heat fluid coil inlet is connect through waste heat fluid shut-off valve and waste heat source outlet connection, outlet with waste heat source inlet.The present invention, which makes to come into full contact with working fluid by the thermal storage fluid that waste heat source absorbs heat, mixes heat exchange, improves heat pump cycle performance.
Description
Technical field
The present invention relates to technical field of heat pumps, and in particular to a kind of to be in direct contact evaporation heat pump system using waste heat.
Background technology
In power generation, industrial production and daily life, there are many fluids that band has surplus heat to discard in vain, causes mass energy
Waste.And the working fluid of existing heat pump system, usually it is dividing wall type heat exchange between the medium of low-temperature heat source, evaporator passes
The hot temperature difference is big, and evaporating temperature is low, and heat transfer efficiency is low, and heat supply temperature is unable to meet demand.China faces coal and changes that electricity, coal changes now
Gas, it would be highly desirable to develop the heat pump system of clean and effective safety.
Invention content
The purpose of the present invention is being directed to technological deficiency in the prior art, a kind of technical field of heat pumps is provided, is utilized
Waste heat is in direct contact evaporation heat pump system, to further improve the thermal performance of heat pump system and heat supply temperature.
The technical solution adopted to achieve the purpose of the present invention is as follows：
It is a kind of to be in direct contact evaporation heat pump system using waste heat, including compressor, heat storage tank, boiler, it is placed in hot water
Condenser coil in case, the waste heat fluid coil pipe being placed in heat storage tank and make storage in the working fluid and heat storage tank of compressor
Hot fluid is in direct contact the direct contact evapouration of heat exchange；The outlet of the compressor and the import of condenser coil connect,
The outlet of the condenser coil is connect by the cryogenic liquid inlet of heating power expansion valve and the working fluid of direct contact evapouration
Pipe connects, and the cryogenic gas outlet of the working fluid of the direct contact evapouration is connect with the entrance of compressor；The accumulation of heat
The outlet of case is pumped through thermal storage fluid and is connect with the thermal storage fluid entrance of direct contact evapouration, the storage of the direct contact evapouration
Hot fluid outlet ports are connected through the entrance of thermal storage fluid shut-off valve and heat storage tank；The entrance of the waste heat fluid coil pipe is through waste heat fluid
Outlet connection, the outlet of shut-off valve and waste heat source are connect with the entrance of waste heat source.
The hot water water surface that the condenser coil is immersed in the boiler is hereinafter, the waste heat fluid coil pipe is immersed in
Below the liquid level of thermal storage fluid in the heat storage tank.
The boiler connects supplying hot water shut-off valve.
The boiler connects moisturizing shut-off valve.
The moisturizing shut-off valve is by the floating ball automatic control switch in boiler.
The present invention makes the thermal storage fluid of heat absorption enter in direct contact evapouration with heat pump cycle through celebrating a festival using waste heat source
The low temperature working fluid that stream decompression is formed, which is in direct contact, is sufficiently mixed heat exchange, reduces heat transfer temperature difference, increases heat transfer efficiency, improves
The evaporating temperature of heat pump cycle reduces the pressure ratio of compressor, improves the performance of heat pump cycle.
Description of the drawings
Fig. 1 is the schematic diagram that is in direct contact evaporation heat pump system of the present invention using waste heat；
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
It is shown in Figure 1, it is a kind of to be in direct contact evaporation heat pump system using waste heat, including：
Compressor 1, heat storage tank 2, waste heat fluid shut-off valve 3, thermal storage fluid pump 4, direct contact evapouration 5, thermal expansion
Valve 6, boiler 8, the condenser coil 9 being placed in boiler, thermal storage fluid shut-off valve 11, the waste heat fluid being placed in heat storage tank
Coil pipe 12；The outlet of the compressor 1 is connect with the import of condenser coil 9 being placed in boiler 8, condenser coil 9
Outlet company is taken over by the cryogenic liquid inlet of heating power expansion valve 6 and the working fluid of the nearly bottom of direct contact evapouration 5
It connects, the cryogenic gas outlet of the working fluid at the top of the direct contact evapouration 5 is connect with the entrance of compressor 1；It is described
The outlet of heat storage tank 2 is connect with the entrance of thermal storage fluid pump 4, and the outlet of thermal storage fluid pump 4 is with being located at direct contact evapouration 5
The thermal storage fluid entrance connection at nearly top, the thermal storage fluid outlet of the nearly bottom of direct contact evapouration 5 end through thermal storage fluid
Valve 11 is connect with the entrance of heat storage tank 2, and outlet of the entrance of waste heat fluid coil pipe 12 through waste heat fluid shut-off valve 3 and waste heat source connects
It connects, the outlet of waste heat fluid coil pipe 12 and the entrance of waste heat source connect.
Wherein, the working fluid by compressor 1 and the thermal storage fluid that 4 are pumped by thermal storage fluid are fluid of the same race,
Two kinds of fluids come into full contact with mixing heat exchange in direct contact evapouration 5.
Specifically, the condenser coil 9 is immersed in the water surface of the hot water in boiler 8 hereinafter, the waste heat flux body disc
Pipe 12 is immersed in heat storage tank 2 below the fluid level of thermal storage fluid.
The boiler connection supplying hot water shut-off valve 7, for providing domestic hot-water.
Boiler connection moisturizing shut-off valve 10, the moisturizing shut-off valve 10 by the floating ball control in boiler 8 open with
It closes.
When the system is operated, start compressor 1 and thermal storage fluid pump 4, open thermal storage fluid shut-off valve 11, in heat storage tank 2
The thermal storage fluid to be absorbed heat by waste heat source enters in direct contact evapouration 5, the high temperature high pressure liquid that condenser coil 9 exports
The low-temperature working liquid formed after heating power expansion valve 6 enters direct contact evapouration 5, is come into full contact with the thermal storage fluid of entrance
Heat exchange is mixed, absorbs heat, the working gas of evaporation is inhaled into compressor 1, and the hot water in boiler 8 is through supplying hot water shut-off valve
7 provide domestic hot-water.When the floating ball in boiler 8 is less than the setting water surface, 10 amount of makeup water of moisturizing shut-off valve is automatically opened.
The present invention makes the thermal storage fluid of heat absorption enter in direct contact evapouration with heat pump cycle through celebrating a festival using waste heat source
The low temperature working fluid that stream decompression is formed, which is in direct contact, is sufficiently mixed heat exchange, reduces heat transfer temperature difference, increases heat transfer efficiency, improves
The evaporating temperature of heat pump cycle reduces the pressure ratio of compressor, improves the performance of heat pump cycle.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of be in direct contact evaporation heat pump system using waste heat, it is characterized in that, including compressor, heat storage tank, boiler, put
In condenser coil, the waste heat fluid coil pipe that is placed in heat storage tank and the working fluid and heat storage tank for making compressor in boiler
Interior thermal storage fluid is in direct contact the direct contact evapouration of heat exchange；The outlet of the compressor and the import of condenser coil
Connection, the outlet of the condenser coil is entered by the cryogenic liquid of heating power expansion valve and the working fluid of direct contact evapouration
Mouth takes over connection, and the cryogenic gas outlet of the working fluid of the direct contact evapouration is connect with the entrance of compressor；It is described
The outlet of heat storage tank is pumped through thermal storage fluid and is connect with the thermal storage fluid entrance of direct contact evapouration, the direct contact evapouration
Thermal storage fluid outlet through the entrance of thermal storage fluid shut-off valve and heat storage tank connect；The entrance of the waste heat fluid coil pipe is through waste heat
Outlet connection, the outlet of fluid stop valve and waste heat source are connect with the entrance of waste heat source.
2. evaporation heat pump system is in direct contact using waste heat according to claim 1, it is characterized in that, the condenser coil
The hot water water surface being immersed in the boiler is hereinafter, the waste heat fluid coil pipe is immersed in the thermal storage fluid in the heat storage tank
Liquid level below.
3. evaporation heat pump system is in direct contact using waste heat according to claim 1, it is characterized in that, the boiler connection
Supplying hot water shut-off valve.
4. evaporation heat pump system is in direct contact using waste heat according to claim 1, it is characterized in that, the boiler connection
Moisturizing shut-off valve.
5. evaporation heat pump system is in direct contact using waste heat according to claim 4, it is characterized in that, the moisturizing shut-off valve
By the floating ball automatic control switch in boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148636.9A CN108180675A (en) | 2018-02-13 | 2018-02-13 | It is a kind of to be in direct contact evaporation heat pump system using waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148636.9A CN108180675A (en) | 2018-02-13 | 2018-02-13 | It is a kind of to be in direct contact evaporation heat pump system using waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108180675A true CN108180675A (en) | 2018-06-19 |
Family
ID=62552683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810148636.9A Pending CN108180675A (en) | 2018-02-13 | 2018-02-13 | It is a kind of to be in direct contact evaporation heat pump system using waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022076649A1 (en) * | 2020-10-07 | 2022-04-14 | Emerson Climate Technologies, Inc. | Climate-control system and method of controlling the system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846390A (en) * | 2010-03-31 | 2010-09-29 | 南京大学 | Energy storage heat pump hot water system with heat recovery function |
| CN102121770A (en) * | 2011-03-10 | 2011-07-13 | 中山市麦科尔热能技术有限公司 | Working medium evaporation system for carbon dioxide heat pump water heating equipment |
| CN205655523U (en) * | 2016-05-13 | 2016-10-19 | 包头鹏翔锅炉暖通设备有限责任公司 | Thermal wastewater heat recovery unit |
| CN205783593U (en) * | 2016-06-27 | 2016-12-07 | 曾毅 | A kind of utilizing heat energy of air conditioner recovering mechanism |
| CN207999969U (en) * | 2018-02-13 | 2018-10-23 | 天津商业大学 | It is a kind of to be in direct contact evaporation heat pump system using waste heat |
-
2018
- 2018-02-13 CN CN201810148636.9A patent/CN108180675A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846390A (en) * | 2010-03-31 | 2010-09-29 | 南京大学 | Energy storage heat pump hot water system with heat recovery function |
| CN102121770A (en) * | 2011-03-10 | 2011-07-13 | 中山市麦科尔热能技术有限公司 | Working medium evaporation system for carbon dioxide heat pump water heating equipment |
| CN205655523U (en) * | 2016-05-13 | 2016-10-19 | 包头鹏翔锅炉暖通设备有限责任公司 | Thermal wastewater heat recovery unit |
| CN205783593U (en) * | 2016-06-27 | 2016-12-07 | 曾毅 | A kind of utilizing heat energy of air conditioner recovering mechanism |
| CN207999969U (en) * | 2018-02-13 | 2018-10-23 | 天津商业大学 | It is a kind of to be in direct contact evaporation heat pump system using waste heat |
Non-Patent Citations (2)
| Title |
|---|
| 王一平 等: "直接接触式环流换热器传热研究", 《化学工程》 * |
| 黄峻伟 等: "ORC直接接触式蒸发器传热性能研究", 《动力工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022076649A1 (en) * | 2020-10-07 | 2022-04-14 | Emerson Climate Technologies, Inc. | Climate-control system and method of controlling the system |
| US11624537B2 (en) | 2020-10-07 | 2023-04-11 | Emerson Climate Technologies, Inc. | Climate-control system and method of controlling the system |
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Application publication date: 20180619 |
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