CN208671353U - Enclosed heat-pump water heater based on air circulation - Google Patents
Enclosed heat-pump water heater based on air circulation Download PDFInfo
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- CN208671353U CN208671353U CN201821283532.0U CN201821283532U CN208671353U CN 208671353 U CN208671353 U CN 208671353U CN 201821283532 U CN201821283532 U CN 201821283532U CN 208671353 U CN208671353 U CN 208671353U
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- air
- water
- heat exchanger
- heat
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Abstract
The utility model provides a kind of enclosed heat-pump water heater based on air circulation, the device carries out two-stage preheating to air using air/air heat exchanger and regenerator, then two stages of compression is carried out to air by the first air compressor and air-compressing part and the second air compressor, obtain high temperature air, the heating to recirculated water is completed by heat exchanger, 60 DEG C or more building heating water and domestic hot-waters can be prepared in cold and severe cold area.
Description
Technical field
The utility model relates to a kind of hot water preparation plant, especially a kind of enclosed heat-pump hot-water dress based on air circulation
It sets.
Background technique
Modern society's industrial discharge and largely using fossil energy burn heating, cause northern area in recent years haze frequency
Hair.People begin to focus on the utilization of clean energy resource, wherein heat-pump apparatus be one kind will not locality generate pollution and it is energy-efficient
Equipment, more and more favored by people.However, traditional both vapor compression electric heat pump uses freon class to freeze more
Agent, requirement and, chlorofluorocarbons (CFCs) class refrigeration higher and higher to global warming degree of concern with people to ozonosphere protection
Agent has been eliminated, and the HCFCs refrigerant used for transition also receives more and more control.In addition, for traditional steaming
It is inconsistent to have that heating capacity and heating load change for vapour compression heat pump, when outdoor environment temperature decline, Building Heat
Load increases, but the heating capacity of traditional vapor compression heat pump system declines to a great extent instead, and efficiency is very low.Novel refrigerant at present
Substitution studies progress is not smooth, can be used for air-conditioning purposes and to meet zero odp, the refrigerant of low GWP very few, only include one
A little inflammable hydrocarbons, toxic ammonia and expensive HFO class, carbon dioxide etc..Air in contrast
It is a kind of absolutely natural, safe and free refrigerant, and there is excellent operation characteristic, therefore use air as refrigerant
Dense-air refrigeration cycle (air circulation) be traditional vapor compression cycles the potential substitution circulation of one kind.Normal air circulates in
There are the application of many years, but its inefficiency in refrigeration and low temperature field, rarely have application in art of heat pumps.
Utility model content
In order to solve the problems, such as that cold and severe cold area building heating and domestic hot-water's preparation method are insufficient, the utility model
A kind of enclosed heat-pump water heater based on air circulation is provided, which provides high temperature sky using two-stage preheating and two stages of compression
Gas completes heating to recirculated water by heat exchanger, can cold and severe cold area prepare 60 DEG C or more building heating water and
Domestic hot-water.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the enclosed heat-pump hot-water based on air circulation
Device, including the first air compressor, turbine air-compressing part, the second air compressor, regenerator, air/water heat exchanger and sky
Gas/air heat exchanger；Turbine air-compressing part includes air-compressing part and turbine part；The exhaust end of turbine part connects air/sky
The air inlet of gas heat exchanger, air/air heat exchanger exhaust outlet are connected with the first inlet end of regenerator, and the first of regenerator
Exhaust end branches out two air pipe lines and is separately connected the inlet end of the first air compressor and the inlet end of air-compressing part, pressure
The exhaust end of gas component connects air back valve inlet end, and the exhaust end of air back valve connects the first entrance of air threeway,
The second entrance of the exhaust end connection air threeway of first air compressor；And the outlet of air threeway is connected to the second air pressure
The exhaust end of the inlet end of contracting machine, the second air compressor is connected with the air intake of air/water heat exchanger, air/water heat exchange
The air outlet slit of device is connected with the second inlet end of regenerator, and the second exhaust end of regenerator is connected to the air inlet of turbine part
End.
The circulating water outlet of boiler is connected to the water inlet of water circulating pump, and water outlet and the air/water of water circulating pump are changed
The circulation water inlet of hot device is connected, and the circulating water outlet of air/water heat exchanger is connected to the circulation water inlet of boiler；Boiler
Feed water inlet connect user domestic hot-water supply water perhaps heating hot water supply water water return outlet be connected to water or heating hot water return water.
Further, first air compressor and the second air compressor are frequency-conversion air compressor.
Further, the air/water heat exchanger is shell and tube exchanger, is recirculated water in pipe, and pipe is outer for for changing
The air of heat.
Further, the regenerator is plate heat exchanger.
The beneficial effects of the utility model are:
1. the first air compressor is in parallel with air-compressing part in the utility model, by the fortune for adjusting the first air compressor
Line frequency adjusts the air mass flow ratio of turbine part and air-compressing part in turbine air-compressing part, and variable parameter operation may be implemented
Under the conditions of the turbine air-compressing part run always with greater efficiency, can effectively save operating cost；
2. the utility model is on the basis of air-compressing part and the first air compressor parallel connection carry out one stage of compression to air,
Second air compressor is set, two-stage compression is carried out to air, compressed high temperature air can be prepared in cold and severe cold area
60 DEG C or more building heating water and domestic hot-water；
3. the air after heat release, which enters, does expansion work in turbine part, provided by shaft member for air-compressing part dynamic
Power can effectively save operating cost；
4. air back valve is arranged on the air pipe line of air-compressing part exhaust end in the utility model, it is possible to prevente effectively from setting
The exhaust of standby first air compressor during startup enters air-compressing part, solves the problems, such as that equipment cannot normally start；
5. the utility model uses closed air cycle, can freeze in equipment to avoid moisture in air, so that system
It safe and reliable can run；
6. the coefficient of performance in heating of the system changes less up to 2.0 or more, and with outdoor environment temperature；
7. using air as refrigerant, non ozone depleting and ozone effect are environmentally friendly.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is Tthe utility model system figure；
1. first air compressor in figure, 2. turbine air-compressing parts, 3. second air compressors, 4. regenerators, 5. air/
Water- to-water heat exchanger, 6. water circulating pumps, 7. boilers, 701. feed water inlets, 702. water return outlets, 8. air pipe lines, 9. water lines, 10. is empty
Gas/air heat exchanger, 11. air back valves, 12. air threeways.
Fig. 2 is turbine air-compressing part schematic diagram；
201. air-compressing part in figure, 202. turbine parts, 203. shaft members.
Specific embodiment
Enclosed heat-pump water heater based on air circulation includes the first air compressor 1, turbine air-compressing part 2, second
Air compressor 3, regenerator 4, air/water heat exchanger 5, air/air heat exchanger 10 and air back valve 11；Turbine is calmed the anger portion
Part includes turbine part 202 and air-compressing part 201；The air of turbine part exhaust end discharge enters air/air heat exchanger 10
In, with the air heat-exchange in atmospheric environment, enter in regenerator 4 after absorbing heat through air pipeline, further by returning after heat absorption
The discharge of hot device first exhaust end is divided into two-way later, and first via air enters the inlet end of the first air compressor 1, through first
It is discharged after the compression heating of air compressor 1 by exhaust end；Second road air enters the air-compressing part 201 of turbine air-compressing part 2, warp
It is discharged after the compression of air-compressing part 201, increasing temperature and pressure by exhaust end, is discharged on air pipe line and air back valve 11 is set；Two-way row
After gas is mixed by air threeway, into 3 inlet end of the second air compressor, continue compression heating through the second air compressor 3
It is discharged after boosting by exhaust end, into the air pipe line of air/water heat exchanger 5, heat is discharged in air/water heat exchanger 5, it will
The circulating water heating of air/water heat exchanger 5 is flowed through, the air after temperature reduces enters regenerator 4, in regenerator 4 further
Heat is discharged, subsequently into the turbine part 202 of turbine air-compressing part 2, becomes low-temp low-pressure after doing work in turbine part
Air completes an air circulation.
Recirculated water in boiler flows through air/water heat exchanger 5, is exchanged heat by air/water under the action of water circulating pump 6
Boiler 7 is returned by water lines after high temperature and pressure air heating in device 5.The feed water inlet 701 of boiler 7 connects user's life heat
Perhaps heating hot water water supply water return outlet 702 is connected to water or heating hot water return water for water water supply.When water temperature reaches in boiler 7
When setting value, the device is out of service.
The utility model the first air compressor 1 and the second air compressor 3 are frequency-changeable compressor, it can be achieved that Frequency
Operation.Wherein, the variation of load is adapted to by adjusting the running frequency of the second air compressor 3, increased when load increases
Running frequency, on the contrary reduce running frequency.First air compressor 1 is in parallel with air-compressing part 201, by adjusting the first air pressure
The running frequency of contracting machine 1 adjusts the air mass flow ratio of turbine part and air-compressing part in turbine air-compressing part 2, to realize
The turbine air-compressing part 2 is run always with greater efficiency under the conditions of variable parameter operation, to save operating cost.
Air back valve 11 is arranged in the utility model on the discharge air pipe line of air-compressing part 201, it is possible to prevente effectively from
Equipment causes the first air to compress during startup since pressure is not set up, turbine air-compressing part not can enter working condition
The exhaust of machine 1 enters the situation of air-compressing part 201, to solve the problems, such as that equipment cannot normally start.
The utility model uses air as refrigeration using the refrigeration compressor in air compressor substitution electric heat pump
Agent, non ozone depleting and ozone effect, it is environmentally friendly.In system operation, from room in air/air heat exchanger 10
Heat is taken in outer atmosphere, therefore, the heat that system provides a user comes from two parts, and a part is the heat extracted from outdoor air
Amount, another part come from electricity consumed by air compressor.Through measuring and calculating the coefficient of performance in heating of the system up to 2.0 with
On, and change less with outdoor environment temperature.
The utility model uses closed air cycle, can be to avoid water in air in open type air circulation system operational process
Divide the problem of freezing in equipment, enables the system to safe and reliable operation.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is practical according to this in the technical scope that the utility model discloses
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of enclosed heat-pump water heater based on air circulation, which is characterized in that including the first air compressor (1), whirlpool
Take turns air-compressing part (2), the second air compressor (3), regenerator (4), air/water heat exchanger (5) and air/air heat exchanger
(10)；Turbine air-compressing part (2) includes air-compressing part (201) and turbine part (202)；The exhaust end of turbine part (202) connects
Connect the air inlet of air/air heat exchanger (10), the exhaust outlet of air/air heat exchanger (10) and regenerator (4) first into
Gas end is connected, and the first exhaust end of regenerator (4) branches out two air pipe lines and is separately connected the first air compressor (1)
The exhaust end of the inlet end of inlet end and air-compressing part (201), air-compressing part (201) connects air back valve (11) inlet end,
The exhaust end of the first entrance of exhaust end connection air threeway (12) of air back valve (11), the first air compressor (1) connects
Connect the second entrance of air threeway (12)；And the outlet of air threeway (12) is connected to the inlet end of the second air compressor (3),
The exhaust end of second air compressor (3) is connected with the air intake of air/water heat exchanger (5), air/water heat exchanger (5)
Air outlet slit is connected with the second inlet end of regenerator (4), and the second exhaust end of regenerator (4) is connected to turbine part (202)
Inlet end.
2. a kind of enclosed heat-pump water heater based on air circulation according to claim 1, which is characterized in that further include
Boiler (7) and water circulating pump (6)；The circulating water outlet of boiler (7) is connected to the water inlet of water circulating pump (6), recirculated water
The water outlet of pump (6) is connected with the circulation water inlet of air/water heat exchanger (5), the circulating water outlet of air/water heat exchanger (5)
It is connected to the circulation water inlet of boiler (7)；The feed water inlet (701) of boiler connects user domestic hot-water water supply or heating hot water
It supplies water, water return outlet (702) is connected to water or heating hot water return water.
3. a kind of enclosed heat-pump water heater based on air circulation according to claim 1, which is characterized in that described
One air compressor (1) and the second air compressor (3) are frequency-conversion air compressor.
4. a kind of enclosed heat-pump water heater based on air circulation according to claim 1, which is characterized in that the sky
Gas water heat exchanger (5) is shell and tube exchanger, is recirculated water, the outer air for for heat exchange of pipe in pipe.
5. a kind of enclosed heat-pump water heater based on air circulation according to claim 1, which is characterized in that described time
Hot device (4) is plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283532.0U CN208671353U (en) | 2018-08-10 | 2018-08-10 | Enclosed heat-pump water heater based on air circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283532.0U CN208671353U (en) | 2018-08-10 | 2018-08-10 | Enclosed heat-pump water heater based on air circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208671353U true CN208671353U (en) | 2019-03-29 |
Family
ID=65836021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821283532.0U Expired - Fee Related CN208671353U (en) | 2018-08-10 | 2018-08-10 | Enclosed heat-pump water heater based on air circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208671353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759092A (en) * | 2018-08-10 | 2018-11-06 | 大连民族大学 | Enclosed heat-pump water heater based on air circulation |
-
2018
- 2018-08-10 CN CN201821283532.0U patent/CN208671353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759092A (en) * | 2018-08-10 | 2018-11-06 | 大连民族大学 | Enclosed heat-pump water heater based on air circulation |
| CN108759092B (en) * | 2018-08-10 | 2023-11-07 | 大连民族大学 | Closed heat pump water heater based on air circulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20210810 |