CN111811159A - Coal power transformation device with heat recovery function and air conditioner - Google Patents
Coal power transformation device with heat recovery function and air conditioner Download PDFInfo
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- CN111811159A CN111811159A CN201910294190.5A CN201910294190A CN111811159A CN 111811159 A CN111811159 A CN 111811159A CN 201910294190 A CN201910294190 A CN 201910294190A CN 111811159 A CN111811159 A CN 111811159A
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- heat exchanger
- heat
- compressor
- coal
- refrigerant
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a coal power-transformation device with a heat recovery function, which comprises a compressor, a four-way valve, a radiator, a first heat exchanger and a second heat exchanger, wherein both the exhaust end and the air inlet end of the compressor are connected with two connecting pipes of the four-way valve; and the first connecting end of the first heat exchanger, the first connecting end of the second heat exchanger and the second connecting end of the radiator are provided with switch valves. The invention solves the phenomenon of bad body feeling brought to customers by time-sharing work of the coal-to-electricity products in summer, and realizes the purposes of fully utilizing energy and reducing energy consumption.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to a coal power transformation device with a heat recovery function and an air conditioner.
Background
The coal-to-electricity heating plan is a coal-to-electricity heating plan, encourages the use of products fused with various devices such as 'multi-energy linkage, multi-heat combination, multi-source integration', and the like, can effectively reduce particles generated by burning coal in the air through the coal-to-electricity energy, and also reduces the use amount of coal so as to achieve the effect of cleaning and heating.
The existing coal-to-electricity products need to realize the purposes of domestic hot water heating and room refrigeration at high outdoor temperature, and adopt time-sharing work, namely the coal-to-electricity products are firstly heated by domestic hot water after being started, and the running mode is switched to refrigerate the fan coil after the domestic hot water reaches the set temperature; when the domestic hot water is used up and needs to be heated again, the operation mode needs to be switched again, and although the use requirement can be met, the user feeling of a client is greatly influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a coal-to-electricity device with a heat recovery function and an air conditioner, which solve the problem of bad body feeling brought to customers by time-sharing work of the coal-to-electricity device in summer and realize the purposes of fully utilizing energy and reducing energy consumption.
In order to solve the technical problems, the invention provides a coal-to-electricity device with a heat recovery function, which comprises a compressor, a four-way valve, a radiator, a first heat exchanger and a second heat exchanger, wherein the exhaust end and the air inlet end of the compressor are both connected with two connecting pipes of the four-way valve;
and a second connecting end of the second heat exchanger is provided with a second throttling element.
Further, the number of the first heat exchangers is multiple and the first heat exchangers are arranged in parallel.
Further, the number of the second heat exchangers is multiple and the second heat exchangers are arranged in parallel.
Further, the first heat exchanger is connected with the first temperature control assembly, and the first heat exchanger is connected with the air supply assembly or the heat exchange water pipe in a matched mode.
Furthermore, the second heat exchanger is connected with a second temperature control assembly, the second heat exchanger is a single heating unit, and the second heat exchanger is connected with the air supply assembly or the heat exchange water pipe in a matched mode.
Furthermore, the first connecting end of the first heat exchanger, the first connecting end of the second heat exchanger and the second connecting end of the radiator are all provided with switch valves.
Furthermore, when the first heat exchanger needs to refrigerate and the second heat exchanger needs to heat, the working temperature of the first heat exchanger and the working temperature of the second heat exchanger are set firstly, the compressor acts, the compressor exhausts air towards the second heat exchanger, the temperature of a refrigerant is reduced after heat exchange of the refrigerant through the second heat exchanger and the refrigerant enters the first heat exchanger for heat exchange, and the refrigerant enters the air inlet end of the compressor after heat exchange in the first heat exchanger is finished; when the heat exchange requirement cannot be met in the first heat exchanger, the compressor exhausts air towards the radiator through flow distribution, and the refrigerant is cooled through the radiator and enters the first heat exchanger for heat exchange;
the first throttling element and the second throttling element control the flow rate of the refrigerant.
Furthermore, when the first heat exchanger and the second heat exchanger need heating, the working temperature of the first heat exchanger and the working temperature of the second heat exchanger are set firstly, the compressor acts, the compressor exhausts air towards the first heat exchanger and the second heat exchanger, and a refrigerant flows through the radiator after exchanging heat through the first heat exchanger and the second heat exchanger and enters the air inlet end of the compressor;
the first throttling element and the second throttling element control the flow rate of the refrigerant.
Further, a third throttling element and a filter are arranged between the radiator and the corresponding switch valve.
An air conditioner comprising the apparatus of any of the above.
The invention has the beneficial effects that:
this application is through the connected mode different with first heat exchanger and second heat exchanger and compressor, can realize the mode of heating simultaneously, the mode of heating alone, the mode of refrigerating alone and the heat recovery operational mode that realizes the refrigeration of heating and move simultaneously, is the mode of a separation control and different operational mode, has effectively solved the phenomenon that the bad body sense that the time-sharing work brought for the customer in the summer of coal changes the electricity product is felt to reach energy make full use of, reduce the purpose of energy consumption.
Drawings
FIG. 1 is a schematic diagram of a system cycle during heating operation according to the present invention;
fig. 2 is a schematic diagram of the system cycle during the cooling and heating operation of the present invention.
The reference numbers in the figures illustrate: 1. a compressor; 2. a four-way valve; 3. a heat sink; 4. a first heat exchanger; 5. a second heat exchanger; 6. a first throttling element; 7. a second throttling element; 8. an on-off valve; 9. a third throttling element; 10. and (3) a filter.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 2, an embodiment of a coal-to-electricity conversion device with a heat recovery function according to the present invention includes a compressor 1, a four-way valve 2, a radiator 3, a first heat exchanger 4, and a second heat exchanger 5, where both an exhaust end and an intake end of the compressor 1 are connected to two connection pipes of the four-way valve 2, the exhaust end of the compressor 1 is further connected to a first connection end of the second heat exchanger 5, which is equivalent to that the exhaust end of the compressor 1 is directly connected to the second heat exchanger 5 through a shunt circuit, the exhaust gas of the compressor 1 can be directly supplied to the second heat exchanger 5 without being converted by the four-way valve 2, the other two connecting pipes of the four-way valve 2 are respectively connected with the first connecting end of the first heat exchanger 4 and the first connecting end of the radiator 3, and the second connecting end of the radiator 3 is connected with the second connecting end of the first heat exchanger 4 and the second connecting end of the second heat exchanger 5, so that a refrigerant circulating loop is effectively formed;
the first throttling element 6 is arranged at the second connecting end of the first heat exchanger 4, the second throttling element 7 is arranged at the second connecting end of the second heat exchanger 5, the first throttling element 6 and the second throttling element 7 can adjust the refrigerant flow of the first heat exchanger 4 and the refrigerant flow of the second heat exchanger 5, and the first heat exchanger 4 and the second heat exchanger 5 are independently controllable, so that the requirement of simultaneous existence of multiple operation modes is met.
Specifically, taking household use as an example, in winter, domestic water required in a household is heated and the environment is heated, then both the first heat exchanger 4 and the second heat exchanger 5 need to perform heating operation, the working temperature of the first heat exchanger 4 and the working temperature of the second heat exchanger 5 are set, the compressor 1 operates, the four-way valve 2 conducts the first heat exchanger 4 with the exhaust end of the compressor 1, the compressor 1 exhausts air towards the first heat exchanger 4 and the second heat exchanger 5, and a refrigerant passes through the radiator 3 after heat exchange through the first heat exchanger 4 and the second heat exchanger 5 and enters the air inlet end of the compressor 1, so that effective heating is achieved through circulation; the first throttling element 6 and the second throttling element 7 control the flow rate of the refrigerant according to the difference between the actual temperature and the working temperature, for example, when the actual temperature of the first heat exchanger 4 is consistent with the working temperature, the first throttling element 6 is closed, the refrigerant stops flowing, and therefore heating is not continued, and when the temperature drops to a set restart working standard, the first throttling element 6 is continuously opened to heat again; the operating principle of the second throttle element 7 corresponds to that of the first throttle element 6. Therefore, the effect of heating domestic water and heating environment at the same time can be achieved, and the user experience is effectively improved.
Taking a household as an example, in summer, domestic water required in a household is heated and the environment is cooled, so that the first heat exchanger 4 needs to be cooled and the second heat exchanger 5 needs to be heated, the working temperature of the first heat exchanger 4 and the working temperature of the second heat exchanger 5 are set firstly, the compressor 1 acts, the four-way valve 2 conducts the exhaust end of the compressor 1 with the radiator 3, therefore, the compressor 1 can exhaust air towards the second heat exchanger 5 and the radiator 3, the air can be exhausted towards the second heat exchanger 5 firstly and completely through flow control, the temperature of a refrigerant is reduced after the heat exchange of the refrigerant is carried out by the second heat exchanger 5 and enters the first heat exchanger 4 for heat exchange, and the refrigerant enters the air inlet end of the compressor 1 after the heat exchange of the refrigerant in the first heat exchanger 4, so as to form; after heat exchange is carried out through the second heat exchanger 5, domestic water is heated, so that the heat exchange effect is gradually deteriorated, and the refrigerant flowing out of the second heat exchanger 5 is slow and cannot meet the working load of the first heat exchanger 4, at the moment, the compressor 1 exhausts air towards the radiator 3 part through shunting, the first heat exchanger 4 continues to heat the domestic water, and part of the refrigerant enters the first heat exchanger 4 for heat exchange after being cooled through the radiator 3, so that the refrigerating effect is met; when the domestic hot water reaches the working temperature, the refrigerant does not need to enter the second heat exchanger 5, so that the refrigerant flows into the radiator 3 completely, and the cooled refrigerant enters the first heat exchanger 4 to realize refrigeration; when the domestic hot water needs to be heated again, part of the refrigerant flows to the second heat exchanger 5 to heat the domestic hot water. Thereby realizing the heat recovery operation mode of heating and refrigerating simultaneous operation.
The flow control of the refrigerant can be realized by the matching of the first throttling element 6 and the second throttling element 7; of course, it is also possible to realize this by adapting the first throttle element 6, the second throttle element 7 and different pipe diameters. Specifically, the opening and closing of the refrigerant flow channel can be realized by matching other valves, for example, the switch valves 8 are respectively arranged at the first connection end of the first heat exchanger 4, the first connection end of the second heat exchanger 5 and the second connection end of the radiator 3, so that the stable opening and closing of the refrigerant flow channel is realized. A third throttling element 9 and a filter 10 are further arranged between the radiator 3 and the corresponding switch valve 8, so that the accurate control of the flow of the refrigerant is guaranteed, the cleanness degree of the interior of the pipeline is guaranteed, and the refrigerant acting effect is guaranteed.
The first heat exchanger 4 is connected with the first temperature control assembly and used for detecting temperature and adjusting temperature, and the first heat exchanger 4 is connected with the air supply assembly or the heat exchange water pipe in a matching manner; the second heat exchanger 5 is connected with the second temperature control assembly and used for detecting temperature and adjusting temperature, the second heat exchanger 5 is a single heating unit, and the second heat exchanger 5 is connected with the air supply assembly or the heat exchange water pipe in a matching manner;
foretell and air supply subassembly cooperation back can realize blowing hot-blast effect, after cooperating with the heat transfer water pipe, can realize the water heating, it can be used for domestic water, also can be used for floor heating pipe to use, has more transform form to satisfy the user demand.
In an embodiment, the number of the first heat exchangers 4 may be multiple and arranged in parallel, so that heating or cooling of multiple rooms can be realized.
In one embodiment, the number of the second heat exchangers 5 can be multiple and arranged in parallel, so that the heating of the multi-position domestic water can be realized.
The air conditioner comprises the device, the operation modes are multiple, the user experience effect is good, and the product public praise is effectively improved.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A coal power transformation device with a heat recovery function is characterized by comprising a compressor, a four-way valve, a radiator, a first heat exchanger and a second heat exchanger, wherein both a gas exhaust end and a gas inlet end of the compressor are connected with two connecting pipes of the four-way valve;
and a second connecting end of the second heat exchanger is provided with a second throttling element.
2. The coal-to-electricity device with a heat recovery function according to claim 1, wherein the number of the first heat exchangers is plural and arranged in parallel.
3. The coal-to-electricity device with a heat recovery function according to claim 1, wherein the number of the second heat exchangers is plural and arranged in parallel.
4. The coal-to-electricity device with the heat recovery function of claim 1, wherein the first heat exchanger is connected with a first temperature control assembly, and the first heat exchanger is connected with an air supply assembly or a heat exchange water pipe in a matching manner.
5. The coal-to-electricity device with the heat recovery function of claim 1, wherein the second heat exchanger is connected with a second temperature control assembly, the second heat exchanger is a single heating unit, and the second heat exchanger is connected with an air supply assembly or a heat exchange water pipe in a matching manner.
6. The coal-to-electricity device with a heat recovery function according to claim 1, wherein the first connection end of the first heat exchanger, the first connection end of the second heat exchanger, and the second connection end of the radiator are provided with switching valves.
7. The coal-to-electricity device with a heat recovery function according to claim 1, wherein a third throttling element and a filter are further provided between the radiator and the corresponding on-off valve.
8. The coal-to-electricity conversion device with the heat recovery function of claim 1, wherein when the first heat exchanger needs to refrigerate and the second heat exchanger needs to heat, the working temperature of the first heat exchanger and the working temperature of the second heat exchanger are set first, the compressor operates, the compressor exhausts air towards the second heat exchanger, a refrigerant is subjected to heat exchange by the second heat exchanger, the temperature of the refrigerant is reduced, the refrigerant enters the first heat exchanger for heat exchange, and the refrigerant enters the air inlet end of the compressor after the heat exchange in the first heat exchanger is finished; when the heat exchange requirement cannot be met in the first heat exchanger, the compressor exhausts air towards the radiator through flow distribution, and the refrigerant is cooled through the radiator and enters the first heat exchanger for heat exchange;
the first throttling element and the second throttling element control the flow rate of the refrigerant.
9. The coal-to-electricity conversion device with the heat recovery function of claim 1, wherein when both the first heat exchanger and the second heat exchanger need to heat, the working temperature of the first heat exchanger and the working temperature of the second heat exchanger are set first, the compressor operates, the compressor exhausts air towards the first heat exchanger and the second heat exchanger, and a refrigerant flows through the radiator after exchanging heat through the first heat exchanger and the second heat exchanger and enters the air inlet end of the compressor;
the first throttling element and the second throttling element control the flow rate of the refrigerant.
10. An air conditioner characterized by comprising the apparatus of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294190.5A CN111811159A (en) | 2019-04-12 | 2019-04-12 | Coal power transformation device with heat recovery function and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294190.5A CN111811159A (en) | 2019-04-12 | 2019-04-12 | Coal power transformation device with heat recovery function and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111811159A true CN111811159A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910294190.5A Pending CN111811159A (en) | 2019-04-12 | 2019-04-12 | Coal power transformation device with heat recovery function and air conditioner |
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| CN (1) | CN111811159A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504210A (en) * | 2009-03-17 | 2009-08-12 | 贝莱特空调有限公司 | Six-in-one air-cooling heat pump unit |
| US20110259025A1 (en) * | 2010-04-22 | 2011-10-27 | Lg Electronics Inc. | Heat pump type speed heating apparatus |
| CN202770049U (en) * | 2012-05-30 | 2013-03-06 | 青岛海之新能源有限公司 | Hot water air conditioner |
| CN104422196A (en) * | 2013-09-11 | 2015-03-18 | 珠海格力电器股份有限公司 | Air conditioning water heating system |
| CN204902305U (en) * | 2015-07-29 | 2015-12-23 | 广东美的暖通设备有限公司 | Heat recovery forced air cooling heat pump hot and cold water machine |
| CN206113401U (en) * | 2016-09-30 | 2017-04-19 | 广东志高暖通设备股份有限公司 | Module water machine of full heat recovery |
-
2019
- 2019-04-12 CN CN201910294190.5A patent/CN111811159A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504210A (en) * | 2009-03-17 | 2009-08-12 | 贝莱特空调有限公司 | Six-in-one air-cooling heat pump unit |
| US20110259025A1 (en) * | 2010-04-22 | 2011-10-27 | Lg Electronics Inc. | Heat pump type speed heating apparatus |
| CN202770049U (en) * | 2012-05-30 | 2013-03-06 | 青岛海之新能源有限公司 | Hot water air conditioner |
| CN104422196A (en) * | 2013-09-11 | 2015-03-18 | 珠海格力电器股份有限公司 | Air conditioning water heating system |
| CN204902305U (en) * | 2015-07-29 | 2015-12-23 | 广东美的暖通设备有限公司 | Heat recovery forced air cooling heat pump hot and cold water machine |
| CN206113401U (en) * | 2016-09-30 | 2017-04-19 | 广东志高暖通设备股份有限公司 | Module water machine of full heat recovery |
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Application publication date: 20201023 |