CN202692526U - Overlapped refrigeration circulating high-temperature water source heat pump unit - Google Patents
Overlapped refrigeration circulating high-temperature water source heat pump unit Download PDFInfo
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- CN202692526U CN202692526U CN 201220274674 CN201220274674U CN202692526U CN 202692526 U CN202692526 U CN 202692526U CN 201220274674 CN201220274674 CN 201220274674 CN 201220274674 U CN201220274674 U CN 201220274674U CN 202692526 U CN202692526 U CN 202692526U
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Abstract
The utility model provides an overlapped refrigeration circulating high-temperature water source heat pump unit. The unit comprises a first compressor, a second compressor, a first throttle mechanism, a second throttle mechanism, a first heat exchanger, a second heat exchanger, a third heat exchanger and a controller. By adopting the overlapped refrigeration circulating high-temperature water source heat pump unit, the water outlet temperature can be improved to more than 85 DEG C, so that the outlet water can be used as industrial heating water or participate in urban heating; and the industrial waste water can be cooled to the temperature of between 10 and 25 DEG C to form industrial cooling water.
Description
Technical field:
The utility model relates to a kind of wastewater treatment and heating field, specifically is the circulating heat pump of high-temp water source unit of a kind of cascade refrigeration.
Background technology:
In order to substitute with coal, fuel oil, oil gas and natural gas are the boiler heating mode of fuel, just wideling popularize both at home and abroad and using the water resource heat pump heating system, this heating system is consume fuel not, non-exhaust emission, Energy Efficiency Ratio is higher, the water resource of present this water source heat pump units general using mainly contains: surface water, phreatic water, seawater and municipal sewage etc., above-mentioned water source is as the thermal source of water resource heat pump, a lot of problems are arranged in actual applications, for example: the resource-constrained of phreatic water and surface water, and also water temperature is lower, 7～12 ℃ of the Northeasts, 10～15 ℃ of North Chinas, the middle and lower reach of Yangtze River 18～20; The puzzlement that the seawater resources exploitation is corroded and carried, quantities and investment are larger, and the seawater water temperature is also lower, and be also lower than phreatic water water temperature; The sewage treatment process of municipal sewage and comparison in equipment are complicated, and water temperature is subjected to regional influence larger, and water temperature is also lower, and be general≤20 ℃.Therefore the present common water source heat pump units leaving water temperature that can reach generally≤65 ℃, the hot water of this temperature can only be supplied with domestic bathing and use, and but can't supply to and participate in urban heat supplying in the city thermal pipe network, perhaps supplies in the industry heating water.
And at present industrial wastewater in discharging and the temperature before processing generally 〉=40 ℃, for saving water resource, prior art generally adopts cooling tower circulating cooling mode, 28～32 ℃ the recirculated water that with 〉=35 ℃ circulating waters is, although water resource has been saved in this measure, but ignored the comprehensive utilization of heat energy.And cooling tower can only be cooled to the industrial wastewater that is cooled 28～32 ℃, and 2%～5% loss is arranged, and the cooling water of this temperature range can only use as recirculated water, and purposes very little.And if adopt common heat pump of high-temp water source unit that industrial wastewater is heated as thermal source, leaving water temperature is reached more than 85 ℃, also just can't use as industry heating water or urban heat supplying water.
The utility model content:
The technical problems to be solved in the utility model is, overcome the deficiencies in the prior art, providing a kind of can rise to leaving water temperature more than 85 ℃, use thereby can make water outlet as the industry heating water or participate in urban heat supplying, and can be cooled to 10～25 ℃ to industrial wastewater, can be used as the circulating heat pump of high-temp water source unit of cascade refrigeration that industrial colling uses.
The technical scheme that the utility model provides is: the utility model provides a kind of cascade refrigeration circulating heat pump of high-temp water source unit, it comprises the first compressor, the second compressor, first throttle mechanism, the second throttle mechanism, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger and controller, the medium delivery outlet of described First Heat Exchanger is connected with the first side input port of the second heat exchanger by the first compressor, the first side delivery outlet of the second heat exchanger is connected with the medium input port of First Heat Exchanger by first throttle mechanism, the medium delivery outlet of described the 3rd heat exchanger is connected with the second side input port of the second heat exchanger by the second throttle mechanism, the second side delivery outlet of the second heat exchanger is connected with the medium input port of the 3rd heat exchanger by the second compressor, described controller respectively with the first compressor, the second compressor, first throttle mechanism and the second throttle mechanism connect.
The water inlet of First Heat Exchanger connects heat source water, the delivery port water device that runs in, and the delivery port of the 3rd heat exchanger is connected by the water inlet of pipeline with the circulating line of water side, and the water inlet of the 3rd heat exchanger is connected with the delivery port of water side's circulating line.Adopt this device, if the thermal water source adopts industrial exhaust heat water, then play the effect of cooling tower, the delivery port by First Heat Exchanger after the cooling of industrial exhaust heat water cooling is discharged, the delivery port of the 3rd heat exchanger is connected with water inlet can connect the urban heat supplying pipeline, perhaps the pipeline of industry heating water.
Adopt said structure, the utlity model has following advantage:
The utility model provides a kind of cascade refrigeration circulating heat pump of high-temp water source unit, thermal water source's water enters into First Heat Exchanger, cool off, medium in the First Heat Exchanger adopts low-temperature refrigerant (being the lower cold-producing medium of evaporating temperature), low-temperature refrigerant absorbs heat and evaporation, then by circulating in the first side condensation in the second heat exchanger, and then be recycled in the First Heat Exchanger, medium in the second side of the second heat exchanger adopts high temperature refrigerant (being the higher cold-producing medium of evaporating temperature), heat when high temperature refrigerant absorbs the low-temperature refrigerant condensation and evaporation, that is, the second heat exchanger namely is the evaporimeter of high temperature refrigerant, also is the condenser of low-temperature refrigerant, then high temperature refrigerant is by circulating in condensation in the 3rd heat exchanger, distribute heat, then the hot water in the 3rd heat exchanger absorbs heat, water outlet after the lifting temperature.In the utility model, low-temperature refrigerant absorbs the lower heat of water temperature in First Heat Exchanger after, in the second heat exchanger with this heat transferred high temperature refrigerant, after high temperature refrigerant absorbs heat, just heat that temperature is lower is converted to the higher heat of temperature in the 3rd heat exchanger, with this heat transferred hot water, thereby can make more than the hot water heating to 85 ℃, use thereby can make water outlet as the industry heating water or participate in urban heat supplying, the utility model can also be cooled to industrial wastewater 10～25 ℃, this cooling water will have widely purposes, for example uses as industrial colling, and free of losses.
Description of drawings:
Accompanying drawing is the schematic diagram of the circulating heat pump of high-temp water source unit of the utility model cascade refrigeration;
As shown in the figure: 1, First Heat Exchanger, 2, the second heat exchanger, the 3, the 3rd heat exchanger, the 4, first compressor, 5, the second compressor, 6, first throttle mechanism, the 7, second throttle mechanism, 8, controller, 9, heat source water, 10, drainage arrangement, 11, the water inlet of circulating line, 12, the delivery port of circulating line.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is elaborated:
The technical scheme that the utility model provides is: the utility model provides a kind of cascade refrigeration circulating heat pump of high-temp water source unit, it comprises the first compressor 4, the second compressor 5, first throttle mechanism 6, the second throttle mechanism 7, First Heat Exchanger 1, the second heat exchanger 2, the 3rd heat exchanger 3 and controller 8 form, the medium delivery outlet of described First Heat Exchanger 1 is connected with the first side input port of the second heat exchanger 2 by the first compressor 4, the first side delivery outlet of the second heat exchanger 2 is connected with the medium input port of First Heat Exchanger 1 by first throttle mechanism 6, the medium delivery outlet of described the 3rd heat exchanger 3 is connected with the second side input port of the second heat exchanger 2 by the second throttle mechanism 7, the second side delivery outlet of the second heat exchanger 2 is connected with the medium input port of the 3rd heat exchanger 3 by the second compressor 5, described controller 8 respectively with the first compressor 4, the second compressor 5, first throttle mechanism 6 and the second throttle mechanism 7 connect.
First Heat Exchanger 1, the first side of the first compressor 4, the second heat exchanger 2 and first throttle mechanism 6 consist of low-temperature circulating, low-temperature refrigerant is the medium of this circulation, the 3rd heat exchanger 3, the second side of the second compressor 5, the second heat exchanger 2 and the second throttle mechanism 7 consist of high temperature circulation, and high temperature refrigerant is the medium of this circulation.Described low-temperature refrigerant adopts common cold-producing medium, described high temperature refrigerant adopts the higher cold-producing medium of evaporating temperature, described First Heat Exchanger 1 is the evaporimeter of low-temperature refrigerant, the second heat exchanger 2 is the evaporimeter of high temperature refrigerant, it also is the condenser of low-temperature refrigerant, the 3rd heat exchanger 3 is the condenser of high temperature refrigerant, and described first throttle mechanism 6 and the second throttle mechanism 7 all can adopt electric expansion valve.
The water inlet of First Heat Exchanger 1 connects heat source water 9, and the run in delivery port of water device 10, the three heat exchangers 3 of delivery port is connected with the water inlet 11 of the circulating line of water side by pipeline, and the water inlet of the 3rd heat exchanger 3 is connected with the delivery port 12 of water side's circulating line.Adopt this device, if the thermal water source adopts industrial exhaust heat water, then play the effect of cooling tower, after the delivery port discharge by First Heat Exchanger after the cooling of industrial exhaust heat water cooling, can cool off any medium that needs cooling as low-temperature receiver water.The delivery port of the 3rd heat exchanger is connected with water inlet can connect the urban heat supplying pipeline, perhaps the pipeline of industry heating water.
The circulating heat pump of high-temp water source unit of this cascade refrigeration, thermal water source's water enters into First Heat Exchanger, cool off, medium in the First Heat Exchanger adopts low-temperature refrigerant (being the lower cold-producing medium of evaporating temperature), low-temperature refrigerant absorbs heat and evaporation, then by circulating in the first side condensation in the second heat exchanger, and then be recycled in the First Heat Exchanger, medium in the second side of the second heat exchanger adopts high temperature refrigerant (being the higher cold-producing medium of evaporating temperature), heat when high temperature refrigerant absorbs the low-temperature refrigerant condensation and evaporation, that is, the second heat exchanger namely is the evaporimeter of high temperature refrigerant, also is the condenser of low-temperature refrigerant, then high temperature refrigerant is by circulating in condensation in the 3rd heat exchanger, distribute heat, then the hot water in the 3rd heat exchanger absorbs heat, water outlet after the lifting temperature.
In the utility model, low-temperature refrigerant absorbs the lower heat of water temperature in First Heat Exchanger after, in the second heat exchanger with this heat transferred high temperature refrigerant, after high temperature refrigerant absorbs heat, just heat that temperature is lower is converted to the higher heat of temperature in the 3rd heat exchanger, with this heat transferred hot water, thereby can make more than the hot water heating to 85 ℃, use thereby can make water outlet as the industry heating water or participate in urban heat supplying.
Claims (2)
1. circulating heat pump of high-temp water source unit of cascade refrigeration, it is characterized in that: it comprises the first compressor (4), the second compressor (5), first throttle mechanism (6), the second throttle mechanism (7), First Heat Exchanger (1), the second heat exchanger (2) the 3rd heat exchanger (3) and controller (8), the medium delivery outlet of described First Heat Exchanger (1) is connected with the first side input port of the second heat exchanger (2) by the first compressor (4), the first side delivery outlet of the second heat exchanger (2) is connected with the medium input port of First Heat Exchanger (1) by first throttle mechanism (6), the medium delivery outlet of described the 3rd heat exchanger (3) is connected with the second side input port of the second heat exchanger (2) by the second throttle mechanism (7), the second side delivery outlet of the second heat exchanger (2) is connected with the medium input port of the 3rd heat exchanger (3) by the second compressor (5), described controller (8) respectively with the first compressor (4), the second compressor (5), first throttle mechanism (6) and the second throttle mechanism (7) connect.
2. the circulating heat pump of high-temp water source unit of cascade refrigeration according to claim 1, it is characterized in that: the water inlet of First Heat Exchanger (1) connects heat source water (9), the delivery port water device (10) that runs in, the delivery port of the 3rd heat exchanger (3) is connected with the water inlet (11) of the circulating line of water side by pipeline, and the water inlet of the 3rd heat exchanger (3) is connected with the delivery port (12) of water side's circulating line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274674 CN202692526U (en) | 2012-06-12 | 2012-06-12 | Overlapped refrigeration circulating high-temperature water source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274674 CN202692526U (en) | 2012-06-12 | 2012-06-12 | Overlapped refrigeration circulating high-temperature water source heat pump unit |
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| Publication Number | Publication Date |
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| CN202692526U true CN202692526U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220274674 Expired - Fee Related CN202692526U (en) | 2012-06-12 | 2012-06-12 | Overlapped refrigeration circulating high-temperature water source heat pump unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721226A (en) * | 2012-06-12 | 2012-10-10 | 宁波天海制冷设备有限公司 | Cascade refrigeration circulating high temperature water-source heat pump unit and control method thereof |
| CN103697613A (en) * | 2013-12-28 | 2014-04-02 | 金国达科技（湖南）有限公司 | High-temperature water source heat pump unit |
| CN105066492A (en) * | 2015-08-31 | 2015-11-18 | 佛山市南海聚腾环保设备有限公司 | Heat pump brewing system |
-
2012
- 2012-06-12 CN CN 201220274674 patent/CN202692526U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721226A (en) * | 2012-06-12 | 2012-10-10 | 宁波天海制冷设备有限公司 | Cascade refrigeration circulating high temperature water-source heat pump unit and control method thereof |
| CN102721226B (en) * | 2012-06-12 | 2015-01-28 | 宁波天海制冷设备有限公司 | Cascade refrigeration circulating high temperature water-source heat pump unit and control method thereof |
| CN103697613A (en) * | 2013-12-28 | 2014-04-02 | 金国达科技（湖南）有限公司 | High-temperature water source heat pump unit |
| CN105066492A (en) * | 2015-08-31 | 2015-11-18 | 佛山市南海聚腾环保设备有限公司 | Heat pump brewing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140612 |