CN202648137U - Sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery - Google Patents
Sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery Download PDFInfo
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- CN202648137U CN202648137U CN 201220295545 CN201220295545U CN202648137U CN 202648137 U CN202648137 U CN 202648137U CN 201220295545 CN201220295545 CN 201220295545 CN 201220295545 U CN201220295545 U CN 201220295545U CN 202648137 U CN202648137 U CN 202648137U
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Abstract
The utility model discloses a sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery, which comprises a sewage storage tank, a preheating device, a sewage-side heat pump, a usage-side heat pump, a sewage-source heat pump, an electric heating device, three-way valves, an urban water supply pipeline and the like, wherein the preheating device comprises a dividing device, a multi-branch heat exchanger and a collecting device; and the sewage-source heat pump comprises a compressor, a sewage-side heat exchanger, an expansion valve and a usage-side heat exchanger. The flow path of the urban water supply pipeline is as follows: after the urban water supply is preheated by a multi-branch heat exchanger, one part of the hot water is supplied to users, and the other part of the hot water flows into the sewage-source heat pump and is heated by the sewage-source heat pump so as to be divided into one part serving as hot water supplied to the users and the other part entering the electric heating device to be heated to boiling water supplied to the users. The sewage-source heat pump domestic hot water multi-echelon supply system fully utilizes the low grade waste heat in the sewage, reduces the power consumption in the heat supply, takes full considerations of the domestic hot water requirements of the users, and provides the multi-echelon supply of hot water.
Description
Technical field
The utility model relates to a kind of sewage source heat pump domestic hot-water step feed system, specifically a kind of sewage source heat pump domestic hot-water step feed system that reclaims based on low-grade remaining heat.
Background technology
At present, the domestic hot-water supplies with the Electric heating that adopt more, and its shortcoming is that the heating energy loss-rate is higher, and institute's supplying hot water temperature is single, is difficult to satisfy the multiple demand of daily life.On the other hand, in family life, high-temperature domestic wastewater, such as shower waste, directly discharging has not only caused the waste of water resource under higher temperature, also environment has been caused thermal pollution.
So, for existing situation a lot of new concepts have been proposed.Chinese patent CN 201476188 U disclose a kind of with high-temperature domestic wastewater as cold thermal source direct-evaporation-type all fresh air handling system, this system has effectively utilized the waste heat of source of sewage, but repeatedly utilize water pump to carry the water source, and ignored the pressure head of urban water supply self, the irrational utilization of this water pump has caused the waste of resource, and the equipment operation energy consumption is increased.
Summary of the invention
For the deficiency of existing domestic hot-water's feed system, the utility model proposes a kind of sewage source heat pump domestic hot-water step feed system that reclaims based on low-grade remaining heat, this system can effectively utilize the low-grade remaining heat in the sewage, realizes that domestic hot-water's step is supplied with.
The technical solution adopted in the utility model is as follows:
Sewage source heat pump domestic hot-water step feed system based on the low-grade remaining heat recovery, comprise sewage reservoir, preheating device, sewage source heat pump, sewage side water pump, electric heater unit, use side water pump, the first triple valve, the second triple valve, high temperature sewage water pipe and urban water supply water pipe, described preheating device comprises part flow arrangement, multiple branch circuit heat exchanger and the current-collecting device that connects successively; Described sewage source heat pump comprises compressor, sewage side heat exchanger, expansion valve and the use side heat exchanger that connects successively; Described preheating device is located in the sewage reservoir, and described current-collecting device is connected with electric heater unit and is connected with using side water pump, the first triple valve, use side heat exchanger, urban water supply water pipe, the second triple valve; Described sewage side heat exchanger is connected to sewage reservoir by high temperature sewage water pipe and sewage side water pump.
When this system moved, urban water supply entered the multiple branch circuit heat exchanger through part flow arrangement; In the multiple branch circuit heat exchanger, finish carry out abundant heat exchange with sewage after, behind the afflux of current-collecting device, enter the urban water supply water pipe by using the side water pump to transport; At this moment, the urban water supply after the preheating is flowed out through triple valve, and a part can be washed one's face and rinsed one's mouth etc. for life; Another part then enters sewage source heat pump, flows out after the heating of sewage source heat pump; At this moment, the urban water supply after the heating is flowed out through triple valve, the grade of taking a shower for living; Another part then enters electric heater unit, is heated to boiling water and drinks.Like this, the urban water supply road running of this system is finished.
The Lowlevel thermal energy of this system's utilization is provided by high temperature sewage.Shower waits high temperature life boiling water to enter sewage reservoir through sewer pipe, insulation and storage in sewage reservoir, and therein with the abundant heat exchange of multiple branch circuit heat exchanger; Sewage in the sewage reservoir transports through high temperature sewage water pipe by sewage side water pump and enters sewage source heat pump, and as its thermal source, through the heat pump effect Lowlevel thermal energy is passed to urban water supply, flows out thereafter to enter the municipal sewage pipeline.Like this, the sewage running of this system is finished.
During described sewage source heat pump operation, low-temperature refrigerant liquid carries out abundant heat exchange at sewage side heat exchanger and sewage, and refrigerant gas gasifies after absorbing low-grade remaining heat, enters compressor; After the compression of compressed machine, refrigerant gas is compressed to the gas of HTHP, enters to use the side heat exchanger; Abundant heat exchange is carried out in high temperature refrigerant gas and urban water supply, and self is cooled, and temperature rises behind the urban water supply absorbing heat; Thereafter cold-producing medium is through the effect of expansion valve, and temperature further reduces, and enters sewage side heat exchanger.Like this, the interior circulation of sewage source heat pump is finished.
The utility model, the outer surface of described high temperature sewage water pipe and urban water supply water pipe all adopts insulation material, with the unnecessary thermal losses in service of minimizing system.
A kind of sewage source heat pump domestic hot-water step feed system that reclaims based on low-grade remaining heat of the utility model, its core is multiple branch circuit preheating device and sewage source heat pump, can effectively utilize the low-grade remaining heat in the sewage.Compare with existing domestic hot-water's feed system, have following clear superiority:
(1) compares with the electrothermal water supply system, the utility model has been set up preheating device and sewage source heat pump, take full advantage of the low-grade remaining heat in the sewage, both accomplished the utilization to thermobiosis sewage, reduced the thermal pollution in the environment, reduce again the operation power consumption of system, had obvious energy-saving effect.
(2) compare with domestic hot-water's feed system of single water supply, the utility model is provided with many steps hot-water supply device, can realize domestic hot-water's as required step supply, and practicality is larger, the scope of application is wider, is specially adapted to large-scale dwelling house, bathroom, hotel etc.
(3) the utility model takes full advantage of the pressure head of urban water supply self, and the choose reasonable water pump has further reduced the power consumption that system moves.
(4) the utility model, the outer surface of high temperature sewage water pipe and urban water supply water pipe all adopts insulation material, the unnecessary thermal losses in service of minimizing system.
Description of drawings
Fig. 1 is system authority schematic diagram of the present utility model.
Among the figure: the 1-sewage reservoir; The 2-preheating device; The 21-part flow arrangement; 22-multiple branch circuit heat exchanger; The 23-current-collecting device; 3-uses the side water pump; 4-sewage side water pump; 5-the first triple valve; 6-the second triple valve; 7-urban water supply water pipe; 8-high temperature sewage water pipe; The 9-sewage source heat pump; The 91-compressor; 92-sewage side heat exchanger; The 93-expansion valve; 94-uses the side heat exchanger; The 10-electric heater unit.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details.
A kind of sewage source heat pump domestic hot-water step feed system that reclaims based on low-grade remaining heat of the utility model comprises sewage reservoir 1, preheating device 2, uses side water pump 3, sewage side water pump 4, the first triple valve 5, the second triple valve 6, urban water supply water pipe 7, high temperature sewage water pipe 8, sewage source heat pump 9, electric heater unit 10.Wherein preheating device 2 comprises part flow arrangement 21, current-collecting device 23 and multiple branch circuit heat exchanger 22, and sewage source heat pump 9 comprises compressor 91, sewage side heat exchanger 92, expansion valve 93 and uses side heat exchanger 94.
When this system moved, urban water supply entered multiple branch circuit heat exchanger 22 through part flow arrangement 21; In multiple branch circuit heat exchanger 22, finish carry out abundant heat exchange with sewage after, behind the afflux of current-collecting device 23, enter urban water supply water pipe 7 by using side water pump 3 to transport; At this moment, the urban water supply after the preheating is flowed out through the first triple valve 5, wash one's face and rinse one's mouth for living etc.; Another part then enters sewage source heat pump 9, flows out after the heating of sewage source heat pump 9; At this moment, the urban water supply after the heating is flowed out through the second triple valve 6, the grade of taking a shower for living; Another part then enters electric heater unit 10, is heated to boiling water and drinks.Like this, the urban water supply road running of this system is finished.
The Lowlevel thermal energy of this system's utilization is provided by high temperature sewage.Shower waits high temperature life boiling water to enter sewage reservoir 1, insulation and storage in sewage reservoir 1, and therein with the 22 abundant heat exchange of multiple branch circuit heat exchanger; Sewage in the sewage reservoir 1 transports through high temperature sewage water pipe 8 by sewage side water pump 4 and enters sewage source heat pump 9, and as its thermal source, through the heat pump effect Lowlevel thermal energy is passed to urban water supply, flows out thereafter to enter the municipal sewage pipeline.Like this, the sewage running of this system is finished.
During described sewage source heat pump 9 operation, low-temperature refrigerant liquid carries out abundant heat exchange at sewage side heat exchanger 92 and sewage, and refrigerant gas gasifies after absorbing low-grade remaining heat, enters compressor 91; After the compression of compressed machine 91, refrigerant gas is compressed to the gas of HTHP, enters to use side heat exchanger 94; Abundant heat exchange is carried out in high temperature refrigerant gas and urban water supply, and self is cooled, and temperature rises behind the urban water supply absorbing heat; Thereafter cold-producing medium is through the effect of expansion valve 93, and temperature further reduces, and enters sewage side heat exchanger 92.Like this, the interior circulation of sewage source heat pump 9 is finished.
Among the embodiment of the present utility model, take life bath waste water as example, suppose that sewage temperature is 45 ~ 50 ℃.The part bath waste water flows in the sewage reservoir 1 when taking a shower, and stores therein and is incubated.Sewage carries out abundant heat exchange in multiple branch circuit heat exchanger 22 and urban water supply, is raised to about 27 ℃ by 17 ℃ through the urban water supply after the preheating, can wash one's face and rinse one's mouth for life through the output of pipeline.Another part urban water supply enters in the follow-up sewage source heat pump 9, further heating.The heat that urban water supply obtains is that sewage imports heat and compressor input work sum into, has effectively reduced power consumption.Urban water supply after the heating can reach about 60 ℃, can be directly used in shower etc.Thereafter, remaining urban water supply enters in the electric heater unit 10, directly is heated to boiling water and drinks.
Claims (2)
1. the sewage source heat pump domestic hot-water step feed system that reclaims based on low-grade remaining heat, it is characterized in that, this system comprises sewage reservoir (1), preheating device (2), sewage source heat pump (9), sewage side water pump (4), electric heater unit (10), uses side water pump (3), the first triple valve (5), the second triple valve (6), high temperature sewage water pipe (8) and urban water supply water pipe (7), and described preheating device (2) comprises part flow arrangement (21), multiple branch circuit heat exchanger (22) and the current-collecting device (23) that connects successively; Described sewage source heat pump (9) comprises compressor (91), sewage side heat exchanger (92), the expansion valve (93) that connects successively and uses side heat exchanger (94); Described preheating device (2) is located in the sewage reservoir (1), and described current-collecting device (23) is connected 10 with using side water pump (3), the first triple valve (5), use side heat exchanger (94), urban water supply water pipe (7), the second triple valve (6) with electric heater unit) be connected successively; Described sewage side heat exchanger (92) is connected to described sewage reservoir (1) by high temperature sewage water pipe (8) and sewage side water pump (4).
2. the sewage source heat pump domestic hot-water step feed system that reclaims based on low-grade remaining heat according to claim 1 is characterized in that the outer surface of described urban water supply water pipe (7) and high temperature sewage water pipe (8) all is coated with insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295545 CN202648137U (en) | 2012-06-24 | 2012-06-24 | Sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295545 CN202648137U (en) | 2012-06-24 | 2012-06-24 | Sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery |
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| Publication Number | Publication Date |
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| CN202648137U true CN202648137U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220295545 Expired - Fee Related CN202648137U (en) | 2012-06-24 | 2012-06-24 | Sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566958A (en) * | 2013-10-11 | 2015-04-29 | 上海工程技术大学 | Hot water system with waste heat recovery dual heat source heat pump |
| CN106288516A (en) * | 2016-09-30 | 2017-01-04 | 厦门工源环保科技有限公司 | A kind of MW class carbon dioxide heat pump system |
| CN106403376A (en) * | 2016-09-30 | 2017-02-15 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to field of geothermy |
| CN106546035A (en) * | 2016-09-30 | 2017-03-29 | 厦门工源环保科技有限公司 | A kind of MW class carbon dioxide heat pump system applied in sewage remaining energy recovery field |
| CN106568234A (en) * | 2016-09-30 | 2017-04-19 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to community system by using solar energy |
| CN106568235A (en) * | 2016-09-30 | 2017-04-19 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to industrial field |
-
2012
- 2012-06-24 CN CN 201220295545 patent/CN202648137U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566958A (en) * | 2013-10-11 | 2015-04-29 | 上海工程技术大学 | Hot water system with waste heat recovery dual heat source heat pump |
| CN106288516A (en) * | 2016-09-30 | 2017-01-04 | 厦门工源环保科技有限公司 | A kind of MW class carbon dioxide heat pump system |
| CN106403376A (en) * | 2016-09-30 | 2017-02-15 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to field of geothermy |
| CN106546035A (en) * | 2016-09-30 | 2017-03-29 | 厦门工源环保科技有限公司 | A kind of MW class carbon dioxide heat pump system applied in sewage remaining energy recovery field |
| CN106568234A (en) * | 2016-09-30 | 2017-04-19 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to community system by using solar energy |
| CN106568235A (en) * | 2016-09-30 | 2017-04-19 | 厦门工源环保科技有限公司 | Megawatt-level carbon dioxide heat pump system applied to industrial field |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130102 Termination date: 20190624 |