CN209857431U - Sewage source heat pump unit - Google Patents
Sewage source heat pump unit Download PDFInfo
- Publication number
- CN209857431U CN209857431U CN201920681068.9U CN201920681068U CN209857431U CN 209857431 U CN209857431 U CN 209857431U CN 201920681068 U CN201920681068 U CN 201920681068U CN 209857431 U CN209857431 U CN 209857431U
- Authority
- CN
- China
- Prior art keywords
- sewage
- pipe
- water
- heat
- heat pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a sewage source heat pump set relates to heat exchanger technical field, the power distribution box comprises a box body, be provided with sewage heat exchanger in the box, with sewage heat exchanger tube coupling's heat pump device, be used for giving sewage heat exchanger and heat pump device moisturizing's moisturizing device, setting are in sewage heat exchanger and first circulating pump on the pipeline between the heat pump device, setting are in second circulating pump on the heat pump device pipeline, sewage heat exchanger includes the casing, be provided with sewage entry, sewage outlet on the casing, be provided with many heat transfer sleeve pipes in the casing, the heat transfer sleeve pipe includes sewage pipe and follows sewage pipe extending direction lays many capillaries on the sewage pipe inner wall, medium water oral siphon and medium water outlet pipe are connected respectively to the capillary both ends. The utility model discloses heat transfer area has effectively been increased to improve heat pump set's heat exchange efficiency, and simple to operate, but reuse.
Description
Technical Field
The utility model belongs to the technical field of the energy technique and specifically relates to a sewage source heat pump set is related to.
Background
Energy crisis and environmental pollution become two major problems that people pay most attention to, clean energy is increasingly important, and urban sewage contains abundant cold and hot resources, in recent years, a sewage heat exchange system appears on the market, is mainly used for extracting heat dispersed in sewage such as urban raw sewage, industrial wastewater, slag flushing water, printing and dyeing wastewater in winter, and the like, and transfers the heat to a heat pump unit through intermediate water exchange, and the heat is promoted by the heat pump unit to heat buildings; in summer, heat in the building is transferred to the sewage to refrigerate the building. Not only the purpose of adjusting the temperature is realized, but also the environment is protected.
The existing sewage source heat pump unit comprises a sewage heat exchanger, a heat pump device and the like, and medium water circulation and external water circulation are realized through a circulating pump, the sewage heat exchanger in the existing sewage source heat pump unit is generally provided with a medium water pipe in the heat exchanger, sewage flows through the heat exchanger, heat exchange is completed between the heat exchanger and the medium water pipe, and medium water transfers heat to an external heat utilization device such as an air conditioner; when the heat pump unit is installed, the occupied area of the whole system is increased due to more equipment and larger space between the equipment, the installation is complex, and the installation cost is high; and the existing heat pump systems are all engineering products, are constructed once and are difficult to be recycled.
Therefore, how to solve the problems of low heat exchange efficiency, complex installation process and difficult recycling of the sewage source heat pump unit is a key technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage source heat pump set has solved the technical problem that the heat pump set heat exchange efficiency that exists is low among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a sewage source heat pump unit, a serial communication port, including the box, be provided with sewage heat exchanger in the box, with the heat pump device of sewage heat exchanger tube coupling, be used for the sewage heat exchanger and the moisturizing device of heat pump device moisturizing, set up in the sewage heat exchanger and the first circulating pump on the pipeline between the heat pump device, set up the second circulating pump on the heat pump device pipeline, be provided with on the box with sewage inlet pipe and the sewage outlet pipe of sewage heat exchanger tube coupling, still be provided with the external water entry and the external water export that are linked together with outside heat-consuming device on the box, the external water entry with second circulating pump tube coupling, the external water export with the heat pump device tube coupling;
the sewage heat exchanger comprises a shell, a sewage inlet and a sewage outlet are formed in the shell, the sewage inlet and the sewage outlet are respectively connected with a sewage inlet pipe, a plurality of heat exchange sleeves are arranged in the shell, each heat exchange sleeve comprises a sewage pipe and an edge, the extending direction of the sewage pipe is laid on a plurality of capillary pipes on the inner wall of the sewage pipe, two ends of each sewage pipe are respectively connected with the sewage inlet and the sewage outlet, and two ends of each capillary pipe are respectively connected with an intermediate water inlet pipe and an intermediate water outlet pipe.
Preferably, the capillary tube is made of polypropylene-ethylene plastic and is laid along the inner wall of the sewage pipe for a circle.
Preferably, the heat pump device comprises an evaporator and a condenser, wherein the evaporator and the condenser are connected through a compression pump and an expansion valve to form a loop.
Preferably, the medium water outlet pipe is connected with the evaporator and the condenser through a first water outlet pipe, and the medium water inlet pipe is connected with the evaporator and the condenser through a first water inlet pipe.
Preferably, the outer water inlet is connected with the evaporator and the condenser through a second water outlet pipe respectively, and the outer water outlet is connected with the evaporator and the condenser through a second water inlet pipe respectively.
Preferably, the first water outlet pipe, the first water inlet pipe, the second water outlet pipe and the second water inlet pipe are all provided with a tee joint, and any one of the pipelines is provided with two valves which are respectively arranged on the tee joint and the pipeline between the evaporator and the condenser.
Preferably, the water replenishing device comprises a water replenishing pump and a water replenishing tank, and the water replenishing pump is connected with the first circulating pump and the second circulating pump through water replenishing pipelines respectively.
Preferably, the make-up water pump, the first circulating pump and the second circulating pump are two and are arranged in parallel.
Preferably, the two ends of the heat exchange sleeve are both provided with intermediate water collecting pipes of annular structures, and the intermediate water collecting pipes are respectively connected with the intermediate water inlet pipe and the intermediate water outlet pipe and communicated with the capillary tube.
Preferably, the sewage heat exchanger further comprises two sewage collecting pipes which are respectively arranged at two ends of the heat exchange sleeve and are respectively connected with the sewage inlet and the sewage outlet, and the water inlet end and the water outlet end of the sewage pipe are respectively communicated through the sewage collecting pipes.
In the technical scheme provided by the utility model, the whole arrangement is flexible, the device can be placed near a water channel, a water pool or a pipeline with a sewage source according to requirements, the device can directly supply cold and heat for buildings, clean renewable energy is used, the device belongs to an energy-saving and environment-friendly system, the device is economical and practical, the complex construction and installation process of the existing heat pump system is avoided, the industrialization is realized, the installation cost is reduced, and the engineering quality is ensured; the heat pump unit can be repeatedly used, the existing heat pump systems are all engineering products, are all constructed once and are difficult to be repeatedly used, the unit is a whole, is convenient to hoist and transport, and can be transported to other projects for continuous use when the unit is not needed;
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a sewage source heat pump unit provided by the present invention;
FIG. 2 is a schematic structural view of the sewage/wastewater heat exchanger provided by the present invention;
FIG. 3 is a sectional view of the sewage heat exchanger A-A provided by the present invention;
FIG. 4 is a cross-sectional view of a heat exchange sleeve provided by the present invention;
FIG. 5 is a schematic view of a heat supply flow of the sewage source heat pump unit provided by the present invention;
FIG. 6 is a schematic view of the cooling process of the sewage source heat pump unit provided by the present invention.
In the figure, 1, a box body; 2. a sewage heat exchanger; 3. a heat pump device; 4. a first circulation pump; 5. a second circulation pump; 6. an external water inlet; 7. an external water outlet; 8. a sewage inlet pipe; 9. a sewage outlet pipe; 10. a water replenishing pump; 11. a water replenishing tank; 12. a water replenishing pipeline; 13. a housing; 14. a sewage inlet; 15. a sewage outlet; 16. a heat exchange sleeve; 17. a sewage pipe; 18. a capillary tube; 19. the intermediary water is led into the water pipe; 20. a medium water outlet pipe; 21. an evaporator; 22. a condenser; 23. a first water outlet pipe; 24. a first water inlet pipe; 25. a second water outlet pipe; 26. a second water inlet pipe; 27. a sewage submersible pump; 28. an external heating device; 29. a medium water collecting pipe; 30. a sewage collecting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
This embodiment provides a sewage source heat pump set, can effectively improve heat transfer area to improve heat pump set's heat exchange efficiency, and the utility model discloses wholly arrange in a flexible way, can place near ditch, pond or the pipeline that has the sewage source according to the demand, can directly supply cold and heat for the building.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1-4, a sewage source heat pump unit comprises a tank 1, a sewage heat exchanger 2, a heat pump device 3, a water replenishing device and a second circulating pump 5 are arranged in the tank 1, wherein the sewage heat exchanger 2 is connected with the heat pump device 3 through a pipeline, a first circulating pump 4 and a valve are arranged on the pipeline connecting the casing heat exchanger with the heat pump device 3 for providing power for intermediate water circulation, the second circulating pump 5 is arranged on an outer water outlet pipe on the heat pump device 3 for providing power for external water circulation and replenishing the intermediate water through the water replenishing device, a sewage inlet pipe 8 and a sewage outlet pipe 9 are arranged on the tank 1 and are connected with the sewage heat exchanger 2 through a pipeline, an outer water inlet 6 and an outer water outlet 7 communicated with an external heat consuming device 28 are also arranged on the tank 1, the outer water inlet 6 is connected with the second circulating pump 5 through a pipeline, the external water outlet 7 is connected with the heat pump device 3 through a pipeline.
The sewage heat exchanger 2 comprises a shell 13, a sewage inlet 14 and a sewage outlet 15 are arranged on the shell 13 and are respectively connected with a sewage inlet pipe 8 and a sewage outlet pipe 9 which are arranged on the box body 1, a plurality of heat exchange sleeves 16 are arranged in the shell 13, each heat exchange sleeve 16 comprises a sewage pipe 17 and a plurality of capillary pipes 18 which are arranged along the length direction of the sewage pipe 17, two ends of each capillary pipe 18 are respectively connected with an intermediate water inlet pipe 19 and an intermediate water outlet pipe 20, intermediate water enters the capillary pipes 18 through the intermediate water inlet pipes 19 to flow, sewage flows into the sewage pipes 17 through the sewage inlet 14 and completes heat exchange with the intermediate water in the capillary pipes 18, because the diameter of the capillary tube 18 is smaller, a plurality of capillary tubes can be laid, thereby increasing the heat exchange area between the sewage and the medium water, effectively improving the heat exchange efficiency, can draw heat energy in can be more quick following sewage, the result of use is better, improves sewage source heat pump set's overall efficiency.
The utility model discloses concentrate each device of heat transfer system complicated to a box 1 in, box 1 can use the corresponding container of size, make its modularization, this equipment can be according to the demand, place the sewage inlet tube in the ditch that has the sewage source, near pond or pipeline and set up sewage immersible pump 27, reconnect sewage, air conditioner water, just can directly supply cold and heat for the building behind distribution and the water supply system, and the clean renewable energy that uses, belong to energy-concerving and environment-protective system, installation cost has still been reduced in addition, be convenient for hoist and mount transportation, can be at different places used repeatedly.
Preferably, the capillary 18 is made of a polypropylene plastic and is laid along the inner wall of the waste pipe 17 for one turn, which has many excellent properties: has higher heat resistance, and the continuous use temperature can reach 110-120 ℃; the chemical property is good, the water absorption is almost avoided, and the reaction with most chemical substances is avoided; the relative density is small, only 0.89-0.91, and is one of the lightest varieties in plastics; the mechanical properties are good, except for impact resistance, the mechanical properties are better than those of polyethylene, and the molding processability is good; pure texture and no toxicity. These characteristics make the polypropylene ethylene plastics very be applicable to in the heat exchanger, in addition, the capillary 18 surface that this kind of material was made is smooth, is difficult for being adhered to by impurity to corrosion resistance is good, because various impurity in addition in the sewage, very easy deposit is in sewage pipe 17, and still can lead to the fact the corruption to the pipeline, leads to heat exchanger heat transfer effect to reduce the utility model discloses in, can suitably increase the diameter of sewage pipe 17, because capillary 18 sets up on the inner wall, can not produce too big influence to sewage pipe 17 internal diameter, and because capillary 18's the good characteristic of material, can effectively reduce or even avoid conventional jam and corrosion problem completely, this point is crucial to being located the heat exchanger, when taking place to block up in sewage pipe 17, only need use high-pressure clear water wash can, removed the process of manual work unpickling and washing from.
Specifically, the heat exchange device comprises an evaporator 21 and a condenser 22, the evaporator 21 and the condenser 22 are connected through a compression pump and an expansion valve to form a loop, and the combination of the evaporator 21 and the condenser 22 enables the heat exchanger to meet the heat demand in summer and winter.
The medium water outlet pipe 20 is respectively connected with the evaporator 21 and the condenser 22 through a first outlet pipe 23, and the medium water inlet pipe 19 is respectively connected with the evaporator 21 and the condenser 22 through a first inlet pipe 24 to form a medium water circulation loop; the water outlet end of the external heat utilization device 28 is connected to the evaporator 21 and the condenser 22 through the second water outlet pipe 25, and the water inlet end of the external heat utilization device 28 is connected to the evaporator 21 and the condenser 22 through the second water inlet pipe 26, so that an external water circulation loop is formed.
The first water outlet pipe 23, the first water inlet pipe 24, the second water outlet pipe 25 and the second water inlet pipe 26 are all provided with a tee joint, and any one of the pipelines is provided with two valves which are respectively arranged on the pipelines between the tee joint and the evaporator 21 and the condenser 22.
It can be understood that the intermediate water outlet pipe 20 is communicated with the water inlet ends of the evaporator 21 and the condenser 22, and the intermediate water inlet pipe 19 is communicated with the water outlet ends of the evaporator 21 and the condenser 22, so that the intermediate water can flow through the evaporator 21 and the condenser 22; the water outlet end of the external heat consuming device 28 is in communication with the water inlet ends of the evaporator 21 and the condenser 22, and the water inlet end of the external heat consuming device 28 is in communication with the water outlet ends of the evaporator 21 and the condenser 22, so that external water can flow through the evaporator 21 and the condenser 22. The utility model discloses a flow direction of pipeline normal water is controlled to a plurality of valves to accomplish the heat transfer process different summer and winter, concrete process is as follows:
referring to fig. 5, in winter, after the intermediate clear water is heated in the sewage heat exchanger 2, the intermediate clear water is conveyed to the heat exchange device through the first circulating pump 4, the intermediate clear water flows into the evaporator 21 through the first water outlet pipe 23 to release heat, meanwhile, the low-temperature external water generated by the external heat utilization device 28 flows into the condenser 22 through the second water inlet pipe 26 to exchange heat with the intermediate water, the temperature of the external water rises and flows to the external heat utilization device 28 through the second water inlet pipe 26, the low-temperature intermediate water returns to the sewage heat exchanger 2 through the first water inlet pipe 24, and absorbs heat in the sewage heat exchanger 2 to rise the temperature and flow to the evaporator 21 again, so that a winter heat-taking cycle is completed. (the valve is shown closed in black and the rest open, the arrows indicate the direction of flow)
Referring to fig. 6, similarly, in summer, after releasing heat in the sewage heat exchanger 2, the intermediate fresh water flows into the condenser 22 through the first water outlet pipe 23, absorbs heat in the condenser 22, and at the same time, the high-temperature external water generated by the external heat using device 28 flows to the evaporator 21 through the second water outlet pipe 25, releases heat in the evaporator 21, completes heat exchange with the intermediate water, the generated high-temperature intermediate water returns to the sewage heat exchanger 2 through the first water inlet pipe 24 to release heat to reduce the temperature, and the generated low-temperature external water returns to the external heat using device 28 through the second water inlet pipe 26, thereby completing a heat release cycle in summer.
The moisturizing device includes moisturizing pump 10 and moisturizing case 11, through the pipe connection between moisturizing case 11 and the moisturizing pump 10, moisturizing pump 10 one end links to each other with moisturizing pipeline 12 that sets up on box 1, the other end of moisturizing pump 10 is connected to on intermediate layer and the outside water inlet pipe through moisturizing case 11, moisturizing pump 10 adopts the inverter type moisturizing pump, because the circulation of inside water can not too much reduction, only need timely moisturizing water, avoid the disappearance of inside water to cause the problem that cold and hot resource conduction is efficient low.
The water replenishing pump 10, the first circulating pump 4 and the second circulating pump 5 are both two and are connected in parallel, and only one pump works when working, and the other pump works for standby use to avoid the stop of the unit due to the failure of the pump body under the emergency situation.
The first circulating pump 4 is arranged on the first water outlet pipe 23 or the first water inlet pipe 24, and the second circulating pump 5 is arranged on the second water outlet pipe 25 or the second water inlet pipe 26, so that the fluid in the pipeline can be circulated.
The two ends of the heat exchange sleeve 16 are provided with intermediate water collecting pipes 29 with annular structures, the intermediate water collecting pipes 29 are respectively connected with the intermediate water inlet pipe 19 and the intermediate water outlet pipe 20, the intermediate water collecting pipes 29 are communicated with the capillary tubes 18, the intermediate water collecting pipes 29 with annular structures communicate with a plurality of capillary tubes 18 in the heat exchange sleeve 16, the intermediate water is gathered together through the intermediate water collecting pipes 29 and then flows into the capillary tubes 18, and then is gathered again through the intermediate water collecting pipes 29 after passing through the capillary tubes 18 and flows out through the intermediate water outlet pipe 20.
Similarly, the sewage heat exchanger 2 further comprises two sewage collecting pipes 30 respectively arranged at two ends of the heat exchange sleeve 16 and respectively connected with the sewage inlet 14 and the sewage outlet 15, and the water inlet ends and the water outlet ends of all the sewage pipes 17 are respectively communicated through the sewage collecting pipes 30, so that the plurality of sewage pipes 17 form a parallel structure, sewage enters the sewage collecting pipes 30 through the sewage inlet 14, then flows through the sewage pipes 17 to complete heat exchange, and then is uniformly discharged from the sewage outlet 15 through the sewage collecting pipes 30, and the water inlet efficiency and the water outlet efficiency of the sewage are improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A sewage source heat pump unit is characterized by comprising a box body (1), wherein a sewage heat exchanger (2), a heat pump device (3) connected with the sewage heat exchanger (2) through a pipeline, a water replenishing device used for replenishing water for the sewage heat exchanger (2) and the heat pump device (3), a first circulating pump (4) arranged on the pipeline between the sewage heat exchanger (2) and the heat pump device (3), and a second circulating pump (5) arranged on the pipeline of the heat pump device (3) are arranged in the box body (1), a sewage inlet pipe (8) and a sewage outlet pipe (9) connected with the sewage heat exchanger are arranged on the box body (1), an external water inlet (6) and an external water outlet (7) communicated with an external heat utilization device (28) are further arranged on the box body (1), and the external water inlet (6) is connected with the second circulating pump (5) through a pipeline, the external water outlet (7) is connected with the heat pump device (3) through a pipeline;
the sewage heat exchanger (2) comprises a shell (13), a sewage inlet (14) and a sewage outlet (15) are arranged on the shell (13) and are respectively connected with a sewage inlet pipe (8) and a sewage outlet pipe (9), a plurality of heat exchange sleeves (16) are arranged in the shell (13), each heat exchange sleeve (16) comprises a sewage pipe (17) and an edge, the sewage pipe (17) extends in the direction, the plurality of capillary tubes (18) are laid on the inner wall of the sewage pipe (17), two ends of each sewage pipe (17) are respectively connected with the sewage inlet (14) and the sewage outlet (15), and two ends of each capillary tube (18) are respectively connected with an intermediate water inlet pipe (19) and an intermediate water outlet pipe (20).
2. The sewage source heat pump unit according to claim 1, wherein the capillary tube (18) is made of polypropylene plastic and is laid along the inner wall of the sewage pipe (17) for a circle.
3. The sewage source heat pump unit according to claim 1, wherein the heat pump device (3) comprises an evaporator (21) and a condenser (22), and the evaporator (21) and the condenser (22) are connected through a compression pump and an expansion valve to form a loop.
4. The sewage source heat pump unit according to claim 3, wherein the intermediate water outlet pipe (20) is connected to the evaporator (21) and the condenser (22) through a first water outlet pipe (23), and the intermediate water inlet pipe (19) is connected to the evaporator (21) and the condenser (22) through a first water inlet pipe (24).
5. The sewage source heat pump unit according to claim 4, wherein the external water inlet (6) is connected to the evaporator (21) and the condenser (22) through a second water outlet pipe (25), and the external water outlet (7) is connected to the evaporator (21) and the condenser (22) through a second water inlet pipe (26).
6. The sewage source heat pump unit according to claim 5, wherein the first water outlet pipe (23), the first water inlet pipe (24), the second water outlet pipe (25) and the second water inlet pipe (26) are all provided with a tee joint, and any one of the pipes is provided with two valves respectively arranged on the pipes among the tee joint, the evaporator (21) and the condenser (22).
7. The sewage source heat pump unit according to claim 1, wherein the water replenishing device comprises a water replenishing pump (10) and a water replenishing tank (11), and the water replenishing pump (10) is connected with the first circulating pump (4) and the second circulating pump (5) through a water replenishing pipeline (12).
8. The sewage source heat pump unit according to claim 7, wherein the make-up water pump (10), the first circulating pump (4) and the second circulating pump (5) are arranged in parallel.
9. The sewage source heat pump unit according to claim 1, wherein the heat exchange sleeve (16) is provided with an intermediate water collecting pipe (29) having a ring structure at both ends thereof, and is connected to the intermediate water inlet pipe (19) and the intermediate water outlet pipe (20), respectively, and the intermediate water collecting pipe (29) is communicated with the capillary tube (18).
10. The sewage source heat pump unit according to claim 1, wherein the sewage heat exchanger (2) further comprises two sewage collecting pipes (30) respectively disposed at two ends of the heat exchange sleeve (16) and respectively connected to the sewage inlet (14) and the sewage outlet (15), and the water inlet end and the water outlet end of the sewage pipe (17) are respectively communicated through the sewage collecting pipes (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681068.9U CN209857431U (en) | 2019-05-13 | 2019-05-13 | Sewage source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681068.9U CN209857431U (en) | 2019-05-13 | 2019-05-13 | Sewage source heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857431U true CN209857431U (en) | 2019-12-27 |
Family
ID=68941090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920681068.9U Active CN209857431U (en) | 2019-05-13 | 2019-05-13 | Sewage source heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209857431U (en) |
-
2019
- 2019-05-13 CN CN201920681068.9U patent/CN209857431U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108302594A (en) | Sewage waste heat suitable for pipe gallery and shallow stratum comprehensive utilization system for heat energy | |
| CN202648137U (en) | Sewage-source heat pump domestic hot water multi-echelon supply system based on low grade waste heat recovery | |
| CN106123641B (en) | Municipal sewage and city ground source formula heat-exchange system | |
| CN207247327U (en) | Sewage waste heat and shallow stratum comprehensive utilization system for heat energy suitable for pipe gallery | |
| CN102563894B (en) | Sanitary wastewater surplus heat utilization system | |
| CN103836841B (en) | The recycle device of the cold and hot amount of a kind of cities and towns native sewage water | |
| CN209857431U (en) | Sewage source heat pump unit | |
| CN210891616U (en) | Boiler steam waste heat recycling device | |
| CN208010661U (en) | The blower cooling water circulatory system | |
| CN208059044U (en) | Double-source heat pump tier building double water tank splits the hot-water heating system of water conditions in soil layers | |
| CN206448560U (en) | One kind energy-conservation integral vacuum toilet | |
| CN210346414U (en) | Sewage heat exchanger system | |
| CN206338854U (en) | A kind of pair of heat pump energy-storage system | |
| CN205957765U (en) | Municipal sewage and city ground source formula heat transfer system | |
| CN1687677A (en) | Heat exchange application method of transporting cold and heat source in straight flow from city native ground wastewater | |
| CN207527876U (en) | Sewage drainage pipe heat-exchanger rig | |
| CN210197760U (en) | Medium-deep geothermal water utilization system | |
| CN207962836U (en) | A kind of multi-heat source classification hot water supply system | |
| CN205938220U (en) | Carat pipe sewer line heat transfer pipeline | |
| CN203066181U (en) | Bath water recycling system | |
| CN209991818U (en) | Sewage heat exchanger | |
| CN202442491U (en) | Domestic wastewater waste heat utilization device | |
| CN206496545U (en) | Seawater source heat pump system | |
| CN210242085U (en) | Heat pump set | |
| CN206113074U (en) | Supplementary heating economizer of solar collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |