CN210832545U - Water-ring type double-heat-pump waste heat recovery and efficient refrigerating device - Google Patents
Water-ring type double-heat-pump waste heat recovery and efficient refrigerating device Download PDFInfo
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- CN210832545U CN210832545U CN201921062302.6U CN201921062302U CN210832545U CN 210832545 U CN210832545 U CN 210832545U CN 201921062302 U CN201921062302 U CN 201921062302U CN 210832545 U CN210832545 U CN 210832545U
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model relates to a waste heat recovery device, in particular to a water ring type double heat pump waste heat recovery and high-efficiency refrigerating device, which comprises a heat exchange water tank, a cold water insulation can, a storage water tank, a water pump and a hot water insulation can which are arranged side by side with the cold water insulation can, which are sequentially connected through a hydrophily medium pipeline; the system comprises a compressor, a condenser, a throttle valve and an evaporator which are sequentially connected through pipelines, wherein the condenser is arranged in a heat exchange water tank, and the system also comprises a semiconductor refrigeration device and a control system which are electrically connected; semiconductor refrigeration device includes refrigeration end and heat dissipation end, connects the inboard at cold water insulation can, hot water insulation can respectively, the utility model discloses utilize the evaporimeter to absorb the high temperature waste heat in the kitchen air, utilize water-cooled condenser to carry out the heat transfer, water circle device is constituteed to three water tank, utilizes semiconductor refrigeration device's heat transfer characteristic to add hot water to satisfy dining room or dining room to hydrothermal demand, realize the multistage utilization of the energy, reduce the loss of the energy.
Description
Technical Field
The utility model relates to a waste heat recovery device specifically indicates a two heat pump waste heat recovery of water ring type and high-efficient refrigerating plant.
Background
The working environment of the kitchen of a large-scale restaurant and a dining room is very special, the kitchen is a high-temperature high-humidity environment, the existing large-scale restaurant and the dining room generally cool and ventilate the kitchen environment through an air conditioning system, comfortable working conditions are provided for workers, and if the air conditioning system is used for cooling and ventilating, huge waste heat generated by the operation of equipment and a lighting system in the kitchen, natural heat dissipation of a human body and the like is directly discharged into the environment and cannot be utilized, the consumed energy is very large, and thermal pollution is generated; on the other hand, the kitchen of large-scale dining room and dining room has a large demand for hot water, the prior art heats hot water through electricity or coal gas, and the hot water is heated through electricity or coal gas, which consumes a large amount of energy, has large energy loss and low heating efficiency, does not meet the energy-saving and high-efficiency utilization of the prior art, and has great potential safety hazard.
Disclosure of Invention
In order to solve the above problem, the utility model aims at disclosing a waste heat recovery device, specifically indicate a two heat pump waste heat recovery of water ring type and high-efficient refrigerating plant.
In order to achieve the above object, the utility model adopts the following technical scheme: a water-ring type double-heat-pump waste heat recovery and high-efficiency refrigerating device comprises a water circulating device, a heat pump circulating device and a control system; the control system comprises a control panel and five electric control valves which are electrically connected; the water circulation device comprises a heat exchange water tank, a cold water insulation tank, a hot water insulation tank, a storage water tank, a semiconductor refrigeration device, a water pump and a water medium pipeline; the heat exchange water tank, the cold water insulation box, the hot water insulation box and the storage water tank are separated from the horizontal ground through three water tank frame frames with different heights and are arranged in a step shape, wherein the cold water insulation box and the hot water insulation box are horizontally arranged side by side and are positioned at the lower side of the heat exchange water tank, and the storage water tank is positioned at the lower side of the cold water insulation box; the heat exchange water tank, the cold water insulation tank, the storage water tank and the water pump are sequentially connected through a hydrophily medium pipeline to form a mutually communicated structure; the semiconductor refrigeration device is formed by connecting a plurality of semiconductor refrigeration sheets in series and comprises a refrigeration end and a heat dissipation end, the refrigeration end of each semiconductor refrigeration sheet is connected to the inner side of the cold water insulation box in a fitting manner, the heat dissipation end of each semiconductor refrigeration sheet is connected to the inner side of the hot water insulation box in a fitting manner, and the semiconductor refrigeration device is electrically connected with the control panel; the heat pump circulating device comprises a compressor, an evaporator, a condenser and a throttle valve; the compressor, the evaporator and the condenser are sequentially connected through pipelines to form a circulation loop which is communicated with each other, a throttle valve is arranged between the evaporator and the condenser, and the condenser is arranged in the heat exchange water tank.
Preferably, the refrigerating end and the radiating end of the semiconductor refrigerating sheet are both provided with arc-shaped bulges, and arc-shaped grooves matched with the arc-shaped bulges are formed in the bottom ends of the inner sides of the cold water heat preservation box and the hot water heat preservation box.
Preferably, the upper parts of the heat exchange water tank, the cold water insulation can and the storage water tank are all provided with water inlets which are respectively a first water inlet, a second water inlet and a third water inlet, and the lower parts of the heat exchange water tank, the cold water insulation can and the storage water tank are all provided with water outlets which are respectively a first water outlet, a second water outlet and a third water outlet.
Preferably, a first water outlet of the heat exchange water tank is connected with a second water inlet of the cold water insulation box through a first water medium pipeline, and a first electric control valve is mounted on the first water medium pipeline; a second water outlet of the cold water insulation tank is connected with a third water inlet of the storage water tank through a second water medium pipeline, and an electric control valve II is installed on the second water medium pipeline; the third water outlet of the storage water tank is connected with the first water inlet of the heat exchange water tank through a third water medium pipeline, the third water medium pipeline is connected with a water pump close to the third water outlet, and the third water medium pipeline is provided with a third electric control valve.
Preferably, the upper part and the lower part of the hot water insulation can are respectively provided with a fourth water inlet and a fourth water outlet, the fourth water inlet is connected with a water supply device through a water medium pipeline four, the fourth water outlet is connected with a water discharge pipe, and an electric control valve four and an electric control valve five are respectively arranged on the water medium pipeline four and the water discharge pipe.
Preferably, the inner walls of the heat exchange water tank, the cold water insulation tank, the hot water insulation tank and the storage water tank are all provided with a temperature sensor and a water level sensor, and the temperature sensor and the water level sensor are electrically connected with the control panel.
Preferably, the outer walls of the cold water insulation box and the hot water insulation box are both provided with insulation layers.
Preferably, the waste heat recovery and high-efficiency refrigeration device further comprises an exhaust fan.
Preferably, the exhaust fan includes the casing, install the rotatory impeller in the casing, set up air intake and the air exit in the relative both sides face of casing, air intake department is provided with the ventilation screen panel, air exit department is provided with the tripe blade.
Preferably, the control panel comprises a display screen and a temperature controller which are electrically connected, and the semiconductor refrigeration device is electrically connected with the temperature controller.
The beneficial effects of the utility model are embodied in: the utility model designs a water-ring double heat pump waste heat recovery and high-efficiency refrigerating device, which utilizes the air source heat pump technology to absorb the high-temperature waste heat in the air of a kitchen, utilizes a water-cooled condenser to carry out heat exchange, improves the heat exchange efficiency, effectively increases the refrigerating capacity, reduces the work load of a compressor, reduces the operation of a fan, effectively reduces the noise of the work environment and saves the electric energy; the water circulating device is formed by the heat exchange water tank, the cold water insulation tank and the storage water tank, and water is heated by utilizing the heat transfer characteristic of the semiconductor refrigerating device, so that the requirement of a restaurant or a dining room on high-temperature hot water is met, the multi-stage utilization of energy is realized, and the loss of the energy is reduced.
Drawings
Fig. 1 is a schematic view of the apparatus of the present invention.
Reference is made to the accompanying drawings in which:
1-evaporator, 2-throttle valve, 3-condenser, 4-compressor, 5-exhaust fan, 6-heat exchange water tank, 7-cold water insulation box, 8-semiconductor refrigeration device, 9-hot water insulation box, 10-temperature controller, 11-storage water tank, 12-water pump, 13-electric control valve I, 14-electric control valve II, 15-electric control valve III, 16-electric control valve IV, 17-electric control valve V, 18-display screen.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
the utility model provides a water-ring double heat pump waste heat recovery and high-efficiency refrigerating device, which comprises a water circulating device, a heat pump circulating device and a control system; the control system comprises a control panel and five electric control valves which are electrically connected, wherein the control panel comprises a display screen 18 and a temperature controller 10 which are electrically connected; the water circulation device comprises a heat exchange water tank 6, a cold water insulation tank 7, a hot water insulation tank 9, a storage water tank 11, a semiconductor refrigeration device 8, a water pump 12 and a water medium pipeline; the heat exchange water tank 6, the cold water insulation tank 7, the hot water insulation tank 9 and the storage water tank 11 are separated from the horizontal ground through three water tank racks with different heights and are arranged in a step shape, wherein the cold water insulation tank 7 and the hot water insulation tank 9 are horizontally arranged side by side and are positioned at the lower side of the heat exchange water tank 6, and the storage water tank 11 is positioned at the lower side of the cold water insulation tank 7; the heat exchange water tank 6, the cold water insulation tank 7, the storage water tank 11 and the water pump 12 are connected in sequence through a water medium pipeline to form a mutually communicated structure; the semiconductor refrigerating device 8 is formed by connecting a plurality of semiconductor refrigerating sheets which are connected in series, and comprises a refrigerating end and a radiating end, wherein the refrigerating end of the semiconductor refrigerating sheet is attached to the inner side of the cold water insulation can 7, the radiating end of the semiconductor refrigerating sheet is attached to the inner side of the hot water insulation can 9, so that the refrigerating end and the heating end of the semiconductor refrigerating sheet 8 can be respectively contacted with water in the cold water insulation can 7 and the hot water insulation can 9, preferably, the refrigerating end and the radiating end of the semiconductor refrigerating sheet are provided with arc-shaped bulges, the bottom ends of the inner sides of the cold water insulation can 7 and the hot water insulation can 9 are provided with arc-shaped grooves matched with the arc-shaped bulges, the refrigerating end and the radiating end of the semiconductor refrigerating sheet are respectively and fixedly connected with the inner sides of the cold water insulation can 7 and the hot water insulation can 9 through the arc-shaped bulges and the arc-shaped, in this embodiment, the arc-shaped protrusion is arranged on one side edge of the refrigerating end and the heating end of the semiconductor refrigerating sheet 8, so that the heat exchange function of the semiconductor refrigerating sheet 8 is not affected, the arc-shaped protrusion is arranged to further fix the semiconductor refrigerating sheet 8, so that the semiconductor refrigerating sheet 8 is not displaced due to the impact of water flow, and in addition, the refrigerating end and the heat dissipation end of the semiconductor refrigerating sheet 8 can also be directly placed in the cold water insulation box 7 and the hot water insulation box 9 to be directly contacted with water for heat exchange; furthermore, at least one arc-shaped groove is formed in the number of the arc-shaped grooves, and the number of the arc-shaped grooves is matched with the number of the semiconductor refrigerating pieces; the semiconductor refrigerating device 8 is electrically connected with the control panel, the refrigerating power of a single semiconductor refrigerating piece is very small, but when a plurality of semiconductor refrigerating pieces are combined into a refrigerating device which is connected in series or in parallel, the refrigerating power can be in the range from a few milliwatts to a ten thousand watts, the temperature difference range of the refrigerating end and the radiating end of the semiconductor refrigerating piece can be from 90 ℃ of positive temperature to 130 ℃ of negative temperature, the COP (coefficient of performance) of the semiconductor refrigerating piece is more than 1, about 1.5 times of heat energy can be generated under the condition of consuming the same electric energy, the heating is fast, and the requirement of a restaurant or a dining room on high-temperature hot water can be met; furthermore, the inner walls of the heat exchange water tank 6, the cold water insulation tank 7, the hot water insulation tank 9 and the storage water tank 11 are all provided with a temperature sensor and a water level sensor which are electrically connected with the control panel, the temperature sensor feeds water temperature information back to the temperature controller 10 and displays the water temperature information on the display screen 18, a worker can check the water temperature and water level conditions at any time through the control panel, water is added in time when the water level is too low, and the device is prevented from being damaged due to water shortage; the semiconductor refrigerating device is electrically connected with the temperature controller so as to control the working operation quantity of the semiconductor refrigerating sheets 8 through the temperature controller and achieve high-precision temperature control;
the heat pump circulating device comprises a compressor 4, an evaporator 1, a condenser 3 and a throttle valve 2; the compressor 4, the evaporator 1 and the condenser 3 are sequentially connected through pipelines to form a mutually communicated circulation loop, a throttle valve 2 is arranged between the evaporator 1 and the condenser 3, and the condenser 3 is arranged in a heat exchange water tank 6; the waste heat recovery and high-efficiency refrigerating device also comprises an exhaust fan 5, wherein the exhaust fan 5 is arranged on one side of the condenser 3, the exhaust fan 5 comprises a shell, a rotary impeller arranged in the shell, and an air inlet and an air outlet which are arranged on two opposite side surfaces of the shell, a ventilation net cover is arranged at the air inlet, and louver blades are arranged at the air outlet and can be used for manually adjusting the wind direction; in the embodiment, the air source heat pump technology is utilized to absorb high-temperature waste heat in kitchen air, the water-cooled condenser 3 is utilized to carry out heat exchange, the heat exchange efficiency is improved, the refrigerating capacity is effectively increased, the COP value of work can reach 4.4, the working load of the compressor 4 is reduced, the operation of the exhaust fan 5 is reduced, the noise of the working environment is effectively reduced, and the electric energy is saved;
specifically, water inlets are formed in the upper parts of the heat exchange water tank 6, the cold water insulation tank 7, the storage water tank 11 and the hot water insulation tank 9, and respectively comprise a first water inlet, a second water inlet, a third water inlet and a fourth water inlet, water outlets are formed in the lower parts of the heat exchange water tank 6, the cold water insulation tank 7, the storage water tank 11 and the hot water insulation tank 9, and respectively comprise a first water outlet, a second water outlet, a third water outlet and a fourth water outlet; furthermore, a first water outlet of the heat exchange water tank 6 is connected with a second water inlet of the cold water insulation tank 7 through a first water medium pipeline, and a first electric control valve 13 is installed on the first water medium pipeline; a second water outlet of the cold water insulation tank 7 is connected with a third water inlet of the storage water tank 11 through a second water medium pipeline, and an electric control valve II 14 is installed on the second water medium pipeline; a third water outlet of the storage water tank 11 is connected with a first water inlet of the heat exchange water tank 6 through a hydrophily medium pipeline III, the hydrophily medium pipeline III is close to the third water outlet and is connected with a water pump 12, an electric control valve III 15 is installed on the hydrophily medium pipeline III, a fourth water inlet is connected with a water supply device such as a water tap through a hydrophily medium pipeline IV, the fourth water outlet is connected with a water discharge pipe, and the hydrophily medium pipeline IV and the water discharge pipe are respectively provided with an electric control valve IV 16 and an electric control valve V17;
in the embodiment, the temperature is set through the temperature controller 10, the waste heat recovery and high-efficiency refrigeration device is started, at the moment, the fourth electric control valve 16 is opened, water is injected into the hot water insulation box 9 to reach a set water level value, the compressor 4 runs, the evaporator 1 absorbs waste heat air in a kitchen environment and compresses the waste heat air into high-temperature high-pressure gas, the high-temperature high-pressure gas enters the condenser 3 through a pipeline, the condenser 3 exchanges heat with water in the heat exchange water tank 6, and therefore the water in the heat exchange water tank 6 absorbs heat and is heated up, when the temperature of the water in the heat exchange water tank 6 reaches 40 ℃, the first electric control valve 13 is; according to heat transfer, the temperature of the refrigerating end of the semiconductor refrigerating device 8 is increased, the refrigerating end and the radiating end have the performance of bidirectional energy transfer by utilizing the temperature difference characteristic of the semiconductor refrigerating device 8, when the temperature of the refrigerating end is increased, the temperature of the radiating end is correspondingly increased, so that the radiating end reaches higher temperature, the water temperature of the hot water insulation box 9 is increased, and the water temperature of the hot water insulation box 9 can reach 90 ℃; the temperature of the refrigerating end of the semiconductor refrigerating device 8 is reduced after the temperature is transferred to the radiating end, when the water temperature of a cold water insulation box 7 connected with the refrigerating end of the semiconductor refrigerating device 8 is reduced to 35 ℃, an electric control valve II 14 is opened to enable water to be drained into a storage water tank 11, in the process, when the water in a heat exchange water tank 6 flows out completely, a water pump 12 is started to pump the water in the storage water tank 11 into the heat exchange water tank 6, the process is circulated continuously, a water circulating device is formed by the heat exchange water tank 6, the cold water insulation box 7 and the storage water tank 11, and the heat transfer characteristic of the semiconductor refrigerating device 8 is utilized to heat water so as to meet the requirement of a restaurant or a dining room on high-temperature hot water, realize the multi-stage utilization of energy and reduce the loss of the; preferably, the outer walls of the cold water insulation box 7 and the hot water insulation box 9 are both provided with insulation layers.
Above, only the preferred embodiment of the present invention is not right the technical scope of the present invention makes any restriction, and the technical personnel in this industry can make some deformations and modifications under this technical scheme's enlightenment, all the basis the utility model discloses a technical essence is to any modification, the equivalent change and the modification of making of above embodiment, all still belong to the technical scheme's scope of the present invention.
Claims (10)
1. A water-ring type double-heat-pump waste heat recovery and high-efficiency refrigerating device is characterized in that the waste heat recovery and high-efficiency refrigerating device comprises a water circulating device, a heat pump circulating device and a control system; the control system comprises a control panel and five electric control valves which are electrically connected; the water circulation device comprises a heat exchange water tank, a cold water insulation tank, a hot water insulation tank, a storage water tank, a semiconductor refrigeration device, a water pump and a water medium pipeline; the heat exchange water tank, the cold water insulation box, the hot water insulation box and the storage water tank are separated from the horizontal ground through three water tank frame frames with different heights and are arranged in a step shape, wherein the cold water insulation box and the hot water insulation box are horizontally arranged side by side and are positioned at the lower side of the heat exchange water tank, and the storage water tank is positioned at the lower side of the cold water insulation box; the heat exchange water tank, the cold water insulation tank, the storage water tank and the water pump are sequentially connected through a hydrophily medium pipeline to form a mutually communicated structure; the semiconductor refrigeration device is formed by connecting a plurality of semiconductor refrigeration sheets in series and comprises a refrigeration end and a heat dissipation end, the refrigeration end of each semiconductor refrigeration sheet is connected to the inner side of the cold water insulation box in a fitting manner, the heat dissipation end of each semiconductor refrigeration sheet is connected to the inner side of the hot water insulation box in a fitting manner, and the semiconductor refrigeration device is electrically connected with the control panel; the heat pump circulating device comprises a compressor, an evaporator, a condenser and a throttle valve; the compressor, the evaporator and the condenser are sequentially connected through pipelines to form a circulation loop which is communicated with each other, a throttle valve is arranged between the evaporator and the condenser, and the condenser is arranged in the heat exchange water tank.
2. The waste heat recovery and high-efficiency refrigerating device with the water ring type double heat pumps as claimed in claim 1, wherein the refrigerating end and the heat dissipation end of the semiconductor refrigerating sheet are both provided with arc-shaped protrusions, and arc-shaped grooves matched with the arc-shaped protrusions are formed in the bottom ends of the inner sides of the cold water heat preservation box and the hot water heat preservation box.
3. The waste heat recovery and high efficiency refrigerating plant with water ring type double heat pump as claimed in claim 1, wherein the upper parts of the heat exchange water tank, the cold water thermal insulation tank and the storage water tank are all provided with water inlets, respectively, a first water inlet, a second water inlet and a third water inlet, and the lower parts of the heat exchange water tank, the cold water thermal insulation tank and the storage water tank are all provided with water outlets, respectively, a first water outlet, a second water outlet and a third water outlet.
4. The waste heat recovery and high-efficiency refrigerating device with the water ring type double heat pumps as claimed in claim 3, wherein a first water outlet of the heat exchange water tank is connected with a second water inlet of the cold water insulation can through a first water medium pipeline, and the first water medium pipeline is provided with a first electric control valve; a second water outlet of the cold water insulation tank is connected with a third water inlet of the storage water tank through a second water medium pipeline, and an electric control valve II is installed on the second water medium pipeline; the third water outlet of the storage water tank is connected with the first water inlet of the heat exchange water tank through a third water medium pipeline, the third water medium pipeline is connected with a water pump close to the third water outlet, and the third water medium pipeline is provided with a third electric control valve.
5. The water ring type double heat pump waste heat recovery and high efficiency refrigerating device according to claim 1, characterized in that the upper and lower parts of the hot water insulation can are respectively provided with a fourth water inlet and a fourth water outlet, the fourth water inlet is connected with a water supply device through a water medium pipeline four, the fourth water outlet is connected with a water discharge pipe, and an electric control valve four and an electric control valve five are respectively installed on the water medium pipeline four and the water discharge pipe.
6. The waste heat recovery and high efficiency refrigerating plant with the water ring type double heat pumps as claimed in claim 1, wherein the inner walls of the heat exchange water tank, the cold water thermal insulation tank, the hot water thermal insulation tank and the storage water tank are all provided with a temperature sensor and a water level sensor, and the temperature sensor and the water level sensor are all electrically connected with a control panel.
7. The waste heat recovery and high efficiency refrigerating plant with water ring type double heat pump as claimed in claim 1, wherein the outer walls of the cold water thermal insulation box and the hot water thermal insulation box are provided with insulating layers.
8. The water-ring double heat pump waste heat recovery and high efficiency refrigeration device as recited in claim 1, wherein the waste heat recovery and high efficiency refrigeration device further comprises an exhaust fan.
9. The water ring type dual heat pump waste heat recovery and high efficiency refrigerating device as recited in claim 8, wherein the exhaust fan comprises a housing, a rotary impeller installed in the housing, an air inlet and an air outlet opened on opposite sides of the housing, the air inlet is provided with a ventilation screen, and the air outlet is provided with a louver blade.
10. The waste heat recovery and high efficiency refrigerating device with water ring type double heat pump as claimed in claim 1, wherein the control panel comprises a display screen and a temperature controller which are electrically connected, and the semiconductor refrigerating device is electrically connected with the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921062302.6U CN210832545U (en) | 2019-07-09 | 2019-07-09 | Water-ring type double-heat-pump waste heat recovery and efficient refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921062302.6U CN210832545U (en) | 2019-07-09 | 2019-07-09 | Water-ring type double-heat-pump waste heat recovery and efficient refrigerating device |
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| Publication Number | Publication Date |
|---|---|
| CN210832545U true CN210832545U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921062302.6U Active CN210832545U (en) | 2019-07-09 | 2019-07-09 | Water-ring type double-heat-pump waste heat recovery and efficient refrigerating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210832545U (en) |
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2019
- 2019-07-09 CN CN201921062302.6U patent/CN210832545U/en active Active
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