CN204730524U - For the CO in small-business place 2sewage source heat pump system - Google Patents
For the CO in small-business place 2sewage source heat pump system Download PDFInfo
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- CN204730524U CN204730524U CN201520456263.3U CN201520456263U CN204730524U CN 204730524 U CN204730524 U CN 204730524U CN 201520456263 U CN201520456263 U CN 201520456263U CN 204730524 U CN204730524 U CN 204730524U
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Abstract
The utility model discloses a kind of CO for small-business place
2sewage source heat pump system.The utility model comprises the CO be made up of compressor, gas cooler, expansion valve, evaporimeter
2the circulatory system, the effluent cycle system be made up of high-performance heat exchanger, sewage (waste water) recirculating pump, effluent filter, magnetic valve, the intermediary's water circulation system be made up of high-performance heat exchanger, intermediary's water-circulating pump, four-way change-over valve, gas cooler or evaporimeter and the end water circulation system be made up of water tank, end circulating pump, evaporimeter or gas cooler, four-way change-over valve, end-equipment.The utility model Various Seasonal can provide cold and heat for user, can carry out the optimizing operation regulating the system of realization according to sewage temperature.The utility model adopts CO
2as cycle fluid, utilize sewage as low-temperature heat source, can cooling in summer, heat supply in winter be carried out, improve energy utilization rate and systematic economy efficiency.
Description
Technical field
The utility model relates to a kind of CO being applied to small-business place
2sewage source heat pump system, belongs to utilization of polluted brine and field of energy-saving technology.
Background technology
Along with Kyoto Protocol and Montreal protocol signing and come into force, every country more and more payes attention to the protection of environment in the world, also more and more payes attention to some measures of prevention and corntrol environment.This wherein just comprises substituting original HCFC and CFC class cold-producing medium, CO
2this natural refrigerant has the feature of nontoxic, non-combustible and cheap easy acquisition, and compared with other cold-producing medium, its GWP=1, from natural CO
2negative effect is not had to global environment.In addition, CO
2critical-temperature only have 31.1 DEG C, therefore CO
2vapor-compression cycle exothermic process be not in two-phase section generation condensation, but in gas cooler close to or the region heat release of postcritical.At CO
2in trans critical cycle, its exothermic process not constant temperature, be alternating temperature process, have larger temperature glide, and density sharply can increase.
Energy and environment are two principal themes of sustainable development, at present based on the building heating air-conditioner of the petrochemical material that burns can not only consumption large, and very big pollution is caused to environment.Municipal sewage is made up of industrial wastewater and sanitary sewage, the water yield is huge, a kind ofly contain the renewable heat resource enriching Lowlevel thermal energy, sewage source heat pump air-conditioning system is then the Cooling and Heat Source using municipal sewage as building, solving the important technology of building winter heating, summer air-conditioning and annual hot water supply, is also thinking and the effective way of municipal sewage as a resource exploitation.Decrease city used heat and CO simultaneously
2, SO
2, NO
x, the pollutant such as dust discharge.
Domestic and international to sewage source heat pump and CO at present
2work Quality Research application technology is ripe gradually, but both connected applications also exist certain blank, also face certain difficult problem.
Utility model content
The utility model is to overcome weak point of the prior art, provides a kind of CO being applied to small-business place
2sewage source heat pump system.
A kind of CO for small-business place of the utility model
2sewage source heat pump system, comprises the CO be made up of compressor, gas cooler, expansion valve, evaporimeter
2the circulatory system, the effluent cycle system be made up of high-performance heat exchanger, sewage (waste water) recirculating pump, effluent filter, magnetic valve, the intermediary's water circulation system be made up of high-performance heat exchanger, intermediary's water-circulating pump, the first four-way change-over valve, the second four-way change-over valve, gas cooler or evaporimeter and the end water circulation system be made up of replenishing water tank of water, end circulating pump, evaporimeter or gas cooler, the first four-way change-over valve, the second four-way change-over valve, end-equipment;
The vent connection of described screw compressor is connected with the air inlet of gas cooler, the vent connection of gas cooler is connected with the entrance of expansion valve, the outlet of expansion valve is connected with the air inlet tube of evaporimeter, and evaporator discharge adapter is connected with screw compressor intake interface;
Described effluent cycle pump water inlet adapter connection first effluent filter, effluent cycle pump drainage adapter is connected with the side-entrance of high-performance heat exchanger sewage, high-performance heat exchanger sewage side outlet is taken over electromagnetic valve entrance and is connected, the discharge connection of magnetic valve connects the second effluent filter, intermediary's water-circulating pump draining adapter is connected with the second interface of the second four-way change-over valve, the first interface of the second four-way change-over valve is taken over the water inlet of gas cooler and is connected, the adapter of gas cooler delivery port is connected with the first four-way change-over valve the 4th interface, 3rd interface of the first four-way change-over valve is taken over intermediary's water side entrance of high-performance heat exchanger and is connected, intermediary's water side discharge outlet of high-performance heat exchanger is taken over the water inlet of intermediary water-circulating pump and is connected, form the circulation of intermediary's water,
Described replenishing water tank of water is taken over the water inlet of end circulating pump and is connected, the adapter of end circulating pump delivery port is connected with the second four-way change-over valve the 4th interface, second four-way change-over valve the 3rd interface is taken over the water inlet of evaporimeter and is connected, the discharge outlet adapter of evaporimeter is connected with the second interface of the first four-way change-over valve, the first interface adapter of the first four-way change-over valve connects end-equipment, and end-equipment connects sewage collecting pool by pipeline adapter.
Described first effluent filter submerges sewage collecting pool, and the second effluent filter submerges sewage collecting pool.
The utility model utilizes CO
2as working medium, and utilize sewage as low-grade heat source for user provides heat.Utilizing CO
2during as working medium, reduce the pollution to environment, utilize sewage as low-grade heat source, raise the efficiency, realize environment benefits and economic gains double shield.
The utility model contrast and air source heat pump, if when summer, outdoor temperature reached 40 DEG C, heat exchange efficiency can reduce, and cold can decline; When temperature drops to-10 DEG C in the winter time, the hydraulic performance decline of heat pump, and the normal operation of unit to be ensured by defrosting repeatedly.Adopt this system, though winter ambient temperature below-10 DEG C, sewage temperature still can keep about 15 DEG C, when summer, ambient temperature was more than 34 DEG C, still can keep about 25 DEG C, relatively stable throughout the year.In identical refrigeration with under heat condition, sewage source heat pump system is more energy-conservation than air source heat pump system, drops into energy reduction rate and reaches 4.09%, and supplying under heat condition, drop into energy reduction rate and reach 6.25%, energy-saving effect is obvious.
Accompanying drawing explanation
Fig. 1 is the CO in small-business place of the present utility model
2the flow chart of sewage source heat pump system;
In figure: 1. compressor; 2. gas cooler; 3. expansion valve; 4. evaporimeter; 5. high-performance heat exchanger; 6. sewage (waste water) recirculating pump; 7. effluent filter; 8. intermediary's water-circulating pump; 9. end circulating pump; 10. end-equipment; 11. magnetic valves, 12. replenishing water tank of water, 13. first four-way change-over valves, 14. second four-way change-over valves;
Fig. 2 is the interface diagram of the first four-way change-over valve;
Fig. 3 is the interface diagram of the second four-way change-over valve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As Figure 1-3, the utility model CO
2sewage source heat pump system comprises CO
2the circulatory system is (by compressor 1, gas cooler 2, expansion valve 3, evaporimeter 4 forms), effluent cycle system is (by high-performance heat exchanger 5, sewage (waste water) recirculating pump 6, effluent filter 7, magnetic valve 11 forms), intermediary's water circulation system is (by high-performance heat exchanger 5, intermediary's water-circulating pump 8, first four-way change-over valve 13, second four-way change-over valve 14, gas cooler 2 forms), the end circulatory system is (by replenishing water tank of water 12, end circulating pump 9, evaporimeter 4, first four-way change-over valve 13, second four-way change-over valve 14, end-equipment 10 forms).This system adopts CO
2utilize sewage as low-temperature heat source as working medium thus provide life required hot water.
Described CO
2the circulatory system is made up of screw compressor 1, gas cooler 2, expansion valve 3, evaporimeter 4, the vent connection of screw compressor 1 is connected with the air inlet of gas cooler 2, the vent connection of gas cooler 2 is connected with the entrance of expansion valve 3, the outlet of expansion valve 3 is connected with the air inlet tube of evaporimeter 4, and evaporimeter 4 vent connection is connected with screw compressor 1 intake interface.
Described sewage (waste water) recirculating pump 6 adopts electric drive, sewage (waste water) recirculating pump 6 water inlet adapter connection first effluent filter 7-1, first effluent filter 7-1 submerges sewage collecting pool, sewage (waste water) recirculating pump 6 draining adapter is connected with the side-entrance of high-performance heat exchanger 5 sewage, high-performance heat exchanger 5 sewage side outlet is connected with magnetic valve 11 inlet connection, magnetic valve 11 discharge connection connects the second effluent filter 7-2, and the second effluent filter 7-2 submerges sewage collecting pool, is intermediary's water extraction heating load by sewage.
Intermediary's water-circulating pump 8 adopts electric drive, intermediary's water-circulating pump 8 draining adapter is connected with the second interface 14-2 of the second four-way change-over valve 14, the first interface 14-1 of the second four-way change-over valve 14 takes over gas cooler 2 water inlet and is connected, the adapter of gas cooler 2 delivery port is connected with the first four-way change-over valve 13 the 4th interface 13-4,3rd interface 13-3 of the first four-way change-over valve 13 takes over high-performance heat exchanger 5 intermediary's water side entrance and is connected, intermediary's water side discharge outlet of high-performance heat exchanger 5 and intermediary water-circulating pump 8 water inlet are taken over and are connected, and form the circulation of intermediary's water.
End circulating pump 9 is by electric drive, replenishing water tank of water 12 is taken over end circulating pump 9 water inlet and is connected, the adapter of end circulating pump 9 delivery port is connected with the 4th interface 14-4 of the second four-way change-over valve 14, 3rd interface 14-3 of the second four-way change-over valve 14 takes over the water inlet of evaporimeter 4 and is connected, the discharge outlet adapter of evaporimeter 4 is connected with the second interface 13-2 of the first four-way change-over valve 13, the first interface 13-1 of the first four-way change-over valve 13 takes over and connects end-equipment 10, end-equipment 10 connects sewage collecting pool by pipeline adapter, sewage collecting is utilized, form the end circulatory system.
During described heat pump heat supply, intermediary's water flow through successively intermediary's water-circulating pump 8, second four-way change-over valve the 2nd, 3 interfaces, evaporimeter 4, first four-way change-over valve the 2nd, 3 interfaces, end recirculated water flow through successively replenishing water tank of water 12, end circulating pump 9, second four-way change-over valve the 4th, 1 interface, gas cooler 2, first four-way change-over valve the 4th, 1 interface and end-equipment 10, sewage energy heat is passed to intermediary's water by system in high-performance heat exchanger 5, intermediary's water and CO
2heat exchange is carried out, CO by evaporimeter 4
2after the heat of vaporization absorbing intermediary's water in evaporimeter 4 becomes gas, enter compressor 1, by the high temperature and high pressure gas after compressing, enter gas cooler 2, heat exchange is carried out with end water in gas cooler 2, after expansion valve 3 reducing pressure by regulating flow, enter evaporimeter 4, in gas cooler 2, the end hot water of heat absorption enters end-equipment 10, provides hot water to use for user.
During described heat pump refrigeration, four-way change-over valve is utilized to change intermediary's water flow direction in the duct, make intermediary's water flow through successively intermediary's water-circulating pump 8, second four-way change-over valve 14 the 1st, 2 interfaces, gas cooler 2, first four-way change-over valve 13 the 3rd, 4 interfaces, end recirculated water is made to flow through replenishing water tank of water 12, end circulating pump 9, second four-way change-over valve the 3rd, 4 interfaces, evaporimeter 4, first four-way change-over valve the 2nd, 1 interface and end-equipment 10, CO successively
2after the heat of vaporization absorbing end water in evaporimeter 4 becomes gas, enter compressor 1, by the high temperature and high pressure gas after compressing, enter gas cooler 2, heat exchange is carried out with intermediary water in gas cooler 2, after expansion valve 3 reducing pressure by regulating flow, enter evaporimeter 4, the end water of heat release in evaporimeter 4 enters end-equipment 10 for user provides cold.
Described CO
2sewage source heat pump system, intermediary's water circulation system is connected by the first four-way change-over valve 13, second four-way change-over valve 14 with the end circulatory system, make whole system can realize the use of Summer and winter, thus reach the object of the two-way use of whole system, save financial cost.
The circulatory system in FIG, can increase the auxiliary equipment of sewage source heat pump system or reduce as the case may be, as increased gas-liquid separator, liquid reservoir, oil eliminator, also can reduce regenerator etc., is not limited to equipment listed in Fig. 1.
So far, a kind of CO that can be applicable to small-business place
2sewage source heat pump system is described, although carried out special description with reference to embodiment to it, embodiment described above is illustrative and not restrictive, when not departing from this and using novel spirit and scope, all changes and amendment all use within novel scope at this.
Claims (2)
1. the CO for small-business place
2sewage source heat pump system, is characterized in that, comprises the CO be made up of compressor, gas cooler, expansion valve, evaporimeter
2the circulatory system, the effluent cycle system be made up of high-performance heat exchanger, sewage (waste water) recirculating pump, effluent filter, magnetic valve, the intermediary's water circulation system be made up of high-performance heat exchanger, intermediary's water-circulating pump, the first four-way change-over valve, the second four-way change-over valve, gas cooler or evaporimeter and the end water circulation system be made up of replenishing water tank of water, end circulating pump, evaporimeter or gas cooler, the first four-way change-over valve, the second four-way change-over valve, end-equipment;
The vent connection of described screw compressor is connected with the air inlet of gas cooler, the vent connection of gas cooler is connected with the entrance of expansion valve, the outlet of expansion valve is connected with the air inlet tube of evaporimeter, and evaporator discharge adapter is connected with screw compressor intake interface;
Described effluent cycle pump water inlet adapter connection first effluent filter, effluent cycle pump drainage adapter is connected with the side-entrance of high-performance heat exchanger sewage, high-performance heat exchanger sewage side outlet is taken over electromagnetic valve entrance and is connected, the discharge connection of magnetic valve connects the second effluent filter, intermediary's water-circulating pump draining adapter is connected with the second interface of the second four-way change-over valve, the first interface of the second four-way change-over valve is taken over the water inlet of gas cooler and is connected, the adapter of gas cooler delivery port is connected with the first four-way change-over valve the 4th interface, 3rd interface of the first four-way change-over valve is taken over intermediary's water side entrance of high-performance heat exchanger and is connected, intermediary's water side discharge outlet of high-performance heat exchanger is taken over the water inlet of intermediary water-circulating pump and is connected, form the circulation of intermediary's water,
Described replenishing water tank of water is taken over the water inlet of end circulating pump and is connected, the adapter of end circulating pump delivery port is connected with the second four-way change-over valve the 4th interface, second four-way change-over valve the 3rd interface is taken over the water inlet of evaporimeter and is connected, the discharge outlet adapter of evaporimeter is connected with the second interface of the first four-way change-over valve, the first interface adapter of the first four-way change-over valve connects end-equipment, and end-equipment connects sewage collecting pool by pipeline adapter.
2. CO according to claim 1
2sewage source heat pump system, is characterized in that, described first effluent filter submerges sewage collecting pool, and the second effluent filter submerges sewage collecting pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456263.3U CN204730524U (en) | 2015-06-29 | 2015-06-29 | For the CO in small-business place 2sewage source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456263.3U CN204730524U (en) | 2015-06-29 | 2015-06-29 | For the CO in small-business place 2sewage source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204730524U true CN204730524U (en) | 2015-10-28 |
Family
ID=54388866
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520456263.3U Expired - Fee Related CN204730524U (en) | 2015-06-29 | 2015-06-29 | For the CO in small-business place 2sewage source heat pump system |
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| Country | Link |
|---|---|
| CN (1) | CN204730524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949392A (en) * | 2015-06-29 | 2015-09-30 | 天津商业大学 | CO2 sewage source heat pump system for small business places |
-
2015
- 2015-06-29 CN CN201520456263.3U patent/CN204730524U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949392A (en) * | 2015-06-29 | 2015-09-30 | 天津商业大学 | CO2 sewage source heat pump system for small business places |
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Legal Events
| 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 |
Granted publication date: 20151028 Termination date: 20160629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |