CN211823263U - Supermarket refrigerating system with heat recovery function - Google Patents
Supermarket refrigerating system with heat recovery function Download PDFInfo
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- CN211823263U CN211823263U CN202020174774.7U CN202020174774U CN211823263U CN 211823263 U CN211823263 U CN 211823263U CN 202020174774 U CN202020174774 U CN 202020174774U CN 211823263 U CN211823263 U CN 211823263U
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- working medium
- circulating
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- inlet
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Abstract
The utility model discloses a supermarket refrigeration system with heat recovery, which comprises a first circulating compressor and a second circulating compressor; the working medium outlet of the first circulating compressor is connected with the working medium inlet of the condenser; the working medium outlet of the condenser is connected with the working medium inlet of the condensing evaporator through a first circulating throttle valve; a working medium outlet of the condensation evaporator is connected with a working medium inlet of the first circulating compressor; a working medium outlet of the second circulating compressor is connected with a working medium inlet of the gas cooler; the working medium outlet of the gas cooler is converged with the outlet of the second refrigerator and then is connected with the mass inlet of the condensing evaporator; a working medium outlet of the condensation evaporator is respectively connected with one end of the second circulating throttle valve and one end of the circulating liquid supply pump; the other end of the second circulating throttle valve is connected with a first refrigerator working medium inlet; the other end of the circulating liquid supply pump is connected with a working medium inlet of the second refrigerator. The utility model discloses can abundant recycle refrigeration compressor exhaust high temperature high-pressure gas give off the heat, can provide domestic hot water.
Description
Technical Field
The utility model relates to a refrigeration air conditioner technical field especially relates to a take supermarket refrigerating system of heat recovery.
Background
With the improvement of living standard of people, the scale of the supermarket is rapidly developed, the energy consumption of the supermarket is large, and nearly 50% of energy is consumed in the freezing, refrigerating and fresh-keeping refrigeration of food, so that an energy-saving and environment-friendly supermarket refrigeration system needs to be developed to meet the requirements of freezing, refrigerating and fresh-keeping of supermarket food in the future.
At present, in a refrigeration system of a conventional supermarket, a large amount of heat is emitted to the atmospheric environment by high-temperature and high-pressure gas exhausted by a refrigeration compressor, so that not only is energy waste caused, but also the external environment is thermally polluted. However, there is no technology that can sufficiently recover and utilize the heat emitted from the high-temperature and high-pressure gas discharged from the refrigeration compressor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take heat recovery's supermarket refrigerating system to the technical defect that prior art exists.
Therefore, the utility model provides a supermarket refrigeration system with heat recovery, which comprises a first circulation compressor and a second circulation compressor;
the working medium outlet of the first circulating compressor is connected with the high-temperature circulating working medium inlet of the condenser;
the high-temperature circulating working medium outlet of the condenser is connected with the high-temperature circulating working medium inlet of the condensing evaporator through a connecting pipeline provided with a first circulating throttle valve;
the high-temperature circulating working medium outlet of the condensation evaporator is connected with the working medium inlet of the first circulating compressor;
the working medium outlet of the second circulating compressor is connected with the low-temperature circulating working medium inlet of the gas cooler;
the low-temperature circulating working medium outlet of the gas cooler and the outlet of the second refrigerator are converged by a pipeline and then connected with the low-temperature circulating working medium inlet of the condensing evaporator;
a low-temperature circulating working medium outlet of the condensing evaporator is respectively connected with one end of the second circulating throttling valve and one end of the circulating liquid supply pump;
the other end of the second circulating throttle valve is connected with a working medium inlet of the first refrigerator;
the other end of the circulating liquid supply pump is connected with a working medium inlet of the second refrigerator.
And the working medium outlet of the first refrigerator is connected with the working medium inlet of the second circulating compressor.
Wherein, the external tap water outlet is connected with the water inlet of the gas cooler;
and the water outlet of the gas cooler is connected with the water inlet of the condenser.
Wherein, the water outlet of the condenser is connected with the water inlet of the external heat storage water tank.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a take heat recovery's supermarket refrigerating system, its heat that can abundant recycle refrigeration compressor exhaust high temperature high-pressure gas distributed can provide domestic hot water, and the energy saving protects the environment, has the meaning of great production practice.
Drawings
Fig. 1 is a schematic structural diagram of a supermarket refrigeration system with heat recovery provided by the present invention;
in the figure, 1, a first circulation throttle valve 1, 2, a condenser, 3, a first circulation compressor, 4, a gas cooler, 5 and a second circulation compressor;
6. a first refrigerator 7, a second refrigerator 8, a circulating liquid supply pump 9 and a condensing evaporator. 10. A second circulation throttle valve;
11. a water inlet of the gas cooler, 12 and a water outlet of the condenser.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides a supermarket refrigeration system with heat recovery, which is a refrigeration system for providing cold source and hot water for food freezing, refrigeration and preservation in the supermarket, and specifically comprises a first circulation compressor 3 and a second circulation compressor 5;
the working medium outlet of the first circulating compressor 3 is connected with the high-temperature circulating working medium inlet of the condenser 2;
a high-temperature circulating working medium outlet of the condenser 2 is connected with a high-temperature circulating working medium inlet of the condensing evaporator 9 through a connecting pipeline provided with a first circulating throttle valve 1;
the high-temperature circulating working medium outlet of the condensation evaporator 9 is connected with the working medium inlet of the first circulating compressor 3;
the working medium outlet of the second circulating compressor 5 is connected with the low-temperature circulating working medium inlet of the gas cooler 4;
the low-temperature circulating working medium outlet of the gas cooler 4 and the outlet of the second refrigerator 7 are converged by a pipeline and then connected with the low-temperature circulating working medium inlet of the condensing evaporator 9;
a low-temperature circulating working medium outlet of the condensation evaporator 9 is respectively connected with one end of a second circulating throttle valve 10 and one end of a circulating liquid supply pump 8;
the other end of the second circulating throttle valve 10 is connected with a working medium inlet of the first refrigerator 6;
the other end of the circulating liquid supply pump 8 is connected with a working medium inlet of the second refrigerator 7.
That is, the low-temperature circulating working medium outlet of the condensing evaporator 9 is divided into two paths, one path is connected with the working medium inlet of the first refrigerator 6 through the second circulating throttle valve 10, and the other path is connected with the working medium inlet of the second refrigerator 7 through the circulating liquid supply pump 8.
The utility model discloses in, on specifically realizing, the working medium of first freezer 6 is gone out of the storehouse, links to each other with the working medium entry of second circulating compressor 5.
In the present invention, in the concrete implementation, the external tap water outlet (i.e. the outlet of the tap water supply pipeline) is connected with the water inlet 11 of the gas cooler 4;
the water outlet of the gas cooler 4 is connected with the water inlet of the condenser 2.
In particular, the water outlet 12 of the condenser 2 is connected with the water inlet of the external heat storage water tank.
It should be noted that the hollow external hot water storage tank is used for storing the hot water delivered from the condenser 2 and then providing domestic hot water for the user. For example, the lower portion of the external hot water storage tank may be mounted with a faucet or connected to the faucet through a hollow pipe, thereby conveniently providing domestic hot water to a user.
It should be noted that, in the utility model discloses in, in the concrete realization, first circulation choke valve 1 is high temperature circulation choke valve, and second circulation choke valve 10 is low temperature circulation choke valve. It should be noted that the "high temperature" and "low temperature" are merely to emphasize the temperature state of the refrigerant working medium flowing through, and the high temperature and the low temperature in the system are only relative states, and there is no special requirement for the circulation throttle valve.
It should be noted that, in the present invention, in the implementation, the first circulation compressor 3 is a high temperature circulation compressor, and the second circulation compressor 5 is a low temperature circulation compressor. It should be noted that the "high temperature" and "low temperature" are only the temperature states of the refrigerant working medium, and the high temperature and the low temperature in the system are only relative states, and there is no special requirement.
It should be noted that, in the present invention, in the concrete implementation, the circulation liquid supply pump 8 is a medium temperature circulation liquid supply pump, the second circulation throttle valve 10 is a low temperature circulation throttle valve, and it should be noted that "medium temperature" and "low temperature" are only to emphasize the temperature state of the outputted refrigerant working medium, and the medium and low temperatures in the present system are only relative states, and there is no special requirement. Correspondingly, the first refrigerator 6 is a low temperature refrigerator, and the second refrigerator 7 is a medium temperature refrigerator.
It should be noted that, for the present invention, any two mutually communicated components are communicated with each other through a section of pipeline, as shown in fig. 1.
In order to understand the technical solution of the present invention more clearly, the working principle of the present invention is explained below.
When the system of the utility model is in operation, the high-temperature cycle working medium gas is compressed in the first cycle compressor 3, then the pressure rises, the high-temperature and high-pressure gas which is output outwards is condensed in the condenser 2, and then is throttled and decompressed into gas-liquid mixed fluid through the first cycle throttle valve 1, and then is subjected to heat exchange with the low-temperature cycle working medium in the condensation evaporator 9 to absorb heat for evaporation, and then the working medium gas returns to the first cycle compressor 3;
working medium gas discharged by the second circulating compressor 5 enters the gas cooler 4 to exchange heat with water to realize cooling, then the cooled working medium gas and gas at the outlet of the second refrigerator 7 enter the condensation evaporator 9 to exchange heat with high-temperature circulating working medium, after heat is released and condensed into liquid, the liquid is divided into two paths, one path of the working medium gas enters the first refrigerator 6 after being throttled and depressurized by the second circulating throttle valve 10, the other path of the working medium gas enters the second refrigerator 7 through the circulating liquid supply pump 8, and the working medium gas at the outlet of the second refrigerator 7 and the working medium gas at the outlet of the gas cooler 4 are converged and then enter the condensation evaporator 9; external tap water firstly enters the gas cooler 4, absorbs heat emitted by working medium gas discharged by the second circulating compressor 5 (namely, a low-temperature circulating compressor), then enters the condenser 2 after being heated, continuously absorbs heat emitted by exhaust gas of the first circulating compressor 3 (namely, a high-temperature circulating compressor), and finally formed hot water enters the hot water storage tank to provide domestic hot water for users.
Compared with the prior art, the utility model provides a take supermarket refrigerating system of heat recovery has following beneficial effect:
the utility model provides a take supermarket refrigerating system of heat recovery can be for food freezing, cold-stored, fresh-keeping provide the cold source, simultaneously, can retrieve the heat that compressor's exhaust was emitted to further provide domestic hot water, simple structure, convenient operation, environmental protection and energy saving, convenient control, safe and reliable.
To sum up, compare with prior art, the utility model provides a pair of take supermarket refrigerating system of heat recovery, it can fully recycle the heat that high temperature high-pressure gas that the compressor discharged distributes, can provide life with hot water, the energy saving, the environmental protection has the meaning of great production practice.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The supermarket refrigeration system with the heat recovery function is characterized by comprising a first circulating compressor (3) and a second circulating compressor (5);
a working medium outlet of the first circulating compressor (3) is connected with a high-temperature circulating working medium inlet of the condenser (2);
a high-temperature circulating working medium outlet of the condenser (2) is connected with a high-temperature circulating working medium inlet of the condensing evaporator (9) through a connecting pipeline provided with a first circulating throttle valve (1);
a high-temperature circulating working medium outlet of the condensation evaporator (9) is connected with a working medium inlet of the first circulating compressor (3);
the working medium outlet of the second circulating compressor (5) is connected with the low-temperature circulating working medium inlet of the gas cooler (4);
a low-temperature circulating working medium outlet of the gas cooler (4) and an outlet of the second refrigerator (7) are converged by a pipeline and then are connected with a low-temperature circulating working medium inlet of the condensing evaporator (9);
a low-temperature circulating working medium outlet of the condensing evaporator (9) is respectively connected with one end of a second circulating throttle valve (10) and one end of a circulating liquid supply pump (8);
the other end of the second circulating throttle valve (10) is connected with a working medium inlet of the first refrigerator (6);
the other end of the circulating liquid supply pump (8) is connected with a working medium inlet of the second refrigerator (7).
2. A supermarket refrigeration system with heat recovery according to claim 1, characterized in that the working medium outlet of the first freezer (6) is connected to the working medium inlet of the second recycle compressor (5).
3. A supermarket refrigeration system with heat recovery according to claim 1, characterized in that an external tap water outlet is connected to the water inlet (11) of the gas cooler (4);
the water outlet of the gas cooler (4) is connected with the water inlet of the condenser (2).
4. A supermarket refrigeration system with heat recovery according to claim 3, characterized in that the water outlet (12) of the condenser (2) is connected to the water inlet of an external hot water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174774.7U CN211823263U (en) | 2020-02-17 | 2020-02-17 | Supermarket refrigerating system with heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174774.7U CN211823263U (en) | 2020-02-17 | 2020-02-17 | Supermarket refrigerating system with heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211823263U true CN211823263U (en) | 2020-10-30 |
Family
ID=72992903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020174774.7U Expired - Fee Related CN211823263U (en) | 2020-02-17 | 2020-02-17 | Supermarket refrigerating system with heat recovery function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211823263U (en) |
-
2020
- 2020-02-17 CN CN202020174774.7U patent/CN211823263U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20220217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |