CN201582983U - Cycling back-heat heat pump water heater - Google Patents
Cycling back-heat heat pump water heater Download PDFInfo
- Publication number
- CN201582983U CN201582983U CN 200920271495 CN200920271495U CN201582983U CN 201582983 U CN201582983 U CN 201582983U CN 200920271495 CN200920271495 CN 200920271495 CN 200920271495 U CN200920271495 U CN 200920271495U CN 201582983 U CN201582983 U CN 201582983U
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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 cycling back-heat heat pump water heater, which is characterized by comprising a refrigerating loop, a back-heat flow passage and a self-cycling loop, wherein the refrigerating loop comprises a closed-type flow passage consisting of a compressor, a condenser, a liquid-liquid heat exchanging evaporator and a liquid-gas heat exchanging evaporator, which are sequentially connected with each other through pipelines, and refrigeration medium is filled in the refrigerating loop; the back-heat flow passage comprises an open-type flow passage consisting of a back-heating device, a condenser, a water storage tank, a first water pump and a hot water spraying device, which are sequentially connected with each other through pipelines, and also comprises an open-type flow passage consisting of a waste water collecting tank, a second water pump, a back-heat device and a liquid-liquid heat exchanging evaporator, which are sequentially connected with each other through pipelines, and the hot water which is sprayed out by the hot water spraying device is discharged into the waste water collecting tank after being used; and the self-cycling loop comprises a closed-type flow passage which is sequentially connected with the condenser, the water storage tank and the first water pump. The cycling back-heat heat pump water heater is widely applicable to the bathing or heat supply fields such as factory, families, bathing center and the like, and has promising economic and market prospect.
Description
Technical field
The utility model relates to a kind of water heater, particularly the circulation heat recovery heat pump type water heater that running water is heated about a kind of recycling used heat.
Background technology
At present, because the whole world faces serious energy crisis and water resources crisis, China also is faced with huge economizer pressure, and therefore greatly developing the energy-saving and emission-reduction industry has become inexorable trend.In recent years, the domestic heat pump techniques that multiple recovery low-grade heat sources such as a lot of water resource heat pumps, geothermal-source heat pump and air source heat pump occurred, experience shows that these technology have obtained excellent popularization, has stronger adaptability simultaneously.But, but well do not utilized for containing a large amount of used heat in industry and the sanitary wastewater.Present stage, the heat pump that reclaims used heat in industry and the sanitary wastewater mainly is through a Waste Heat Recovery, the efficient that heat pump reclaims is not very high, and system energy efficiency is lower, thereby cause above-mentioned heat pump not possess stronger practicality, therefore these industry and sanitary wastewater are directly drained in a large number, have caused the waste of the huge energy.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides the circulation heat recovery heat pump type water heater that a kind of recycling used heat heats running water, it has characteristics such as systematic energy efficiency ratio is high and practical, has solved the phenomenon of used heat waste in a large amount of at present industry and the sanitary wastewater.
For achieving the above object, the utility model is taked following technical scheme: a kind of circulation heat recovery heat pump type water heater, it is characterized in that: it comprises refrigerating circuit, backheat stream and self circular loop, described refrigerating circuit comprises a closed stream that connects compressor, condenser, liquid-liquid heat exchange evaporimeter and liquid-gas heat exchange evaporimeter composition by pipeline successively, described refrigerating circuit is evacuated earlier, and then the can refrigeration working medium; Described backheat stream comprises an open stream that connects regenerator, described condenser, storage tank, first water pump and heat water-spraying's device composition by pipeline successively, comprise that also one connects the open stream that wastewater collection pond, second water pump, described regenerator and described liquid-liquid heat exchange evaporimeter are formed successively by pipeline, the hot water of described heat water-spraying's device ejection enters in the described wastewater collection pond after using; Wherein before the described regenerator, between described first water pump and the heat water-spraying's device and first to the 3rd valve is set on the pipeline between second water pump and the regenerator respectively; Described self circular loop comprises that one connects the closed stream that described condenser, described storage tank and described first water pump are formed successively by pipeline, and the 4th valve is installed on the pipeline between described first water pump and the regenerator.
Temperature control system and tank level control system are installed on the described storage tank, and described temperature control system links to each other with the 4th valve with described compressor, described tank level control system links to each other with described first valve, be used for monitoring water temperature and liquid level in the described storage tank respectively, and control described compressor and described the first, the 4th valve event.
The electric expansion valve of throttling action together is set on the pipeline of described refrigerating circuit.
A bypass in parallel between described wastewater collection pond and liquid-liquid heat exchange evaporimeter is equipped with the 5th valve in the described bypass.
The quantity in described heat water-spraying's device and wastewater collection pond is more than two, and adopts the arrangement of plural parallel stage, on the pipeline before every grade of described heat water-spraying's device of parallel connection described second valve is installed all.
The quantity of described liquid-liquid heat exchange evaporimeter, liquid-gas heat exchange evaporimeter and regenerator is more than two, and adopts the mode of plural serial stage.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model comprises refrigerating circuit, backheat stream and three heat-exchange systems of self circular loop, mode by recycling used heat backheat, can utilize used heat to greatest extent, obtain the highest systematic energy efficiency ratio, therefore have very strong practicality, solved the phenomenon of used heat waste in a large amount of at present industry and the sanitary wastewater.2, the utility model is provided with one or more liquid-liquid heat exchange evaporimeter and liquid-gas heat exchange evaporimeter in refrigerating circuit, combine the advantage of heat pumps such as air source and used heat water source, have the function that from air and waste water, absorbs heat simultaneously, thereby further increased effectiveness of regenerator.3, the utility model is installed a temperature control system on storage tank, can make that hot water remains on certain temperature in the storage tank, has reduced the influence of temperature shock, thereby provides the hot water of equilibrium temperature and pleasant environment for use for the user.4, the utility model is installed a tank level control system on storage tank, can effectively control pump capacity, can using water wisely to greatest extent under the situation that guarantees temperature.5, the utility model is provided with the bypass that can regulate wastewater flow in the regenerator in the backheat stream, thereby the heat that can distribute regenerator and evaporimeter, can regulate water temperature fast, control the water temperature in the storage tank effectively, embody more humane advantage.6, evaporimeter of the present utility model and condenser adopt the heat exchange structure of coefficient of heat transfer height such as plate-fin, fin tube type, removable board-like, whole board-like, tubulation shell-and-tube or radiator and compact conformation, compare with common pipe and not only to have improved heat exchange efficiency greatly, and compact conformation, reduce the size of heat exchanger effectively, be convenient to installation and removal.The utility model can be widely used in bathing or heat supply places such as factory, family, bath center, has very large economy and market prospects.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model
Fig. 2 is the structural representation of the utility model band bypass
Fig. 3 is the structural representation of a plurality of spray equipments of the utility model band
Fig. 4 is the structural representation of a plurality of evaporimeters of the utility model band
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1, the utility model comprises refrigerating circuit 1, backheat stream 2, self circular loop 3, temperature control system 4 and tank level control system 5.Refrigerating circuit 1 comprises that one connects the closed stream that compressor 11, condenser 12, liquid-liquid heat exchange evaporimeter 13 and liquid-gas heat exchange evaporimeter 14 is formed successively by pipeline 6, and the electric expansion valve 15 of throttling action together is set on the pipeline 6 of refrigerating circuit 1.Refrigerating circuit 1 is evacuated earlier, and then the can refrigeration working medium.
Self circular loop 3 comprises that one connects the closed stream that condenser 12, storage tank 22 and water pump 23 are formed successively by pipeline 6, and a valve 74 is installed on the pipeline 6 between water pump 23 and the regenerator 21.Temperature control system 4 and tank level control system 5 are installed on the storage tank 22, and temperature control system 4 links to each other with valve 74 with compressor 11, tank level control system 5 links to each other with valve 71, is used for monitoring water temperature and liquid level in the storage tank 22 respectively, and control compressor 11 and valve 71,74 actions.
In the foregoing description, the position of liquid-liquid heat exchange evaporimeter 13 and liquid-gas heat exchange evaporimeter 14 can exchange, and promptly liquid-gas heat exchange evaporimeter 14 can be installed on the pipeline 6 between condenser 12 and the liquid-liquid heat exchange evaporimeter 13.
In the foregoing description, a drainpipe 8 can be set on the pipeline 6 between wastewater collection pond 25 and the water pump 26, and on this drainpipe 8 valve 75 be installed, this drainpipe 8 plays a role in the drainage when water heater does not drop into or needs repairing.
In the foregoing description, can a bypass 9 in parallel between wastewater collection pond 25 and liquid-liquid heat exchange evaporimeter 13, one valve 76 (as shown in Figure 2) is installed in this bypass 9, can regulate the flow of waste water in the regenerator 21 by valve 76, thereby realize the coupling of backheat and evaporation, control the water temperature in the storage tank 22 effectively, embodied more humane advantage.
In the foregoing description, the quantity in heat water-spraying's device 24 and wastewater collection pond 25 can be for more than two, and adopt the arrangement of plural parallel stage, one valve 72 (as shown in Figure 3) all is installed on the pipeline 6 before every grade of heat water-spraying's device 24 of parallel connection, thereby the hot water that makes process water pump 23 is divided into several roads and sprays, and uses simultaneously to satisfy a plurality of users.
In the foregoing description, the quantity of liquid-liquid heat exchange evaporimeter 13, liquid-gas heat exchange evaporimeter 14 and regenerator 21 can be for more than two, and adopt the mode (as shown in Figure 4) of plural serial stage, the number of liquid-liquid heat exchange evaporimeter 13, liquid-gas heat exchange evaporimeter 14 and regenerator 21 can come to determine as required, thereby further improves the heat exchange efficiency of refrigerating circuit 1 and backheat stream 2.
In the foregoing description, condenser 12, liquid-liquid heat exchange evaporimeter 13 and liquid-gas heat exchange evaporimeter 14 all adopt the heat exchange structure of coefficient of heat transfer height such as plate-fin, fin tube type, removable board-like, whole board-like or tubulation shell-and-tube and compact conformation, compare with common pipe and not only to have improved heat exchange efficiency greatly, and compact conformation, reduce the size of heat exchanger effectively, be convenient to installation and removal.
Operation principle of the present utility model is the heat that refrigeration working medium process liquid-liquid heat exchange evaporimeter 13 absorbs in the waste water in the refrigerating circuit 1, the refrigeration working medium temperature raises, pass through liquid-gas heat exchange evaporimeter 14 again, from air, absorb the steam that heat becomes high temperature and enter compressor 11.In compressor 11, the steam of high temperature absorbs compressor 11 liberated heats simultaneously through overcompression, becomes high-temperature fluid, in condenser 12 heat is passed to towards the running water of storage tank 22, and the temperature reduction enters electric expansion valve 15.In backheat stream 2, when heat water-spraying's device 24 does not start (valve 72 is closed), running water enters regenerator 21 (this moment, running water did not absorb heat in regenerator 21) through valve 71, enters condenser 12 then and absorbs heat, enters storage tank 22 in order to using.If the water temperature in the storage tank 22 does not reach instructions for use, then temperature control system 4 is opened the valve 74 in the self circular loop 3, simultaneous temperature control system 4 control compressors 11 operating frequencies raise, water in the storage tank 22 is got back to once more in the condenser 12 and is absorbed heat, make temperature continue to raise, and enter storage tank 22 once more until reaching instructions for use.When heat water-spraying's device 24 starts (valve 72 is opened), after being used, hot water in the storage tank 22 enters wastewater collection pond 25, when the waste water in the wastewater collection pond 25 arrives when a certain amount of, then open valve 73, the waste water in the wastewater collection pond 25 is pumped into after regenerator 21 and liquid-liquid heat exchange evaporimeter 13 heat exchange successively by water pump 26 discharge (this moment, running water absorbed heat from regenerator 21).When liquid level was higher than design water level in the storage tank 22, tank level control system 5 by-pass valve controls 71 were closed, and the water in the storage tank 22 continues the circulation heating; Liquid level is lower than design water level in storage tank 22, and tank level control system 5 by-pass valve controls 71 are opened, and running water in time replenishes.
The utility model only describes with the foregoing description; the structure of each parts, the position is set and connects and all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
Claims (10)
1. circulation heat recovery heat pump type water heater, it is characterized in that: it comprises refrigerating circuit, backheat stream and self circular loop, described refrigerating circuit comprises a closed stream that connects compressor, condenser, liquid-liquid heat exchange evaporimeter and liquid-gas heat exchange evaporimeter composition by pipeline successively, described refrigerating circuit is evacuated earlier, and then the can refrigeration working medium;
Described backheat stream comprises an open stream that connects regenerator, described condenser, storage tank, first water pump and heat water-spraying's device composition by pipeline successively, comprise that also one connects the open stream that wastewater collection pond, second water pump, described regenerator and described liquid-liquid heat exchange evaporimeter are formed successively by pipeline, the hot water of described heat water-spraying's device ejection enters in the described wastewater collection pond after using; Wherein before the described regenerator, between described first water pump and the heat water-spraying's device and first to the 3rd valve is set on the pipeline between second water pump and the regenerator respectively;
Described self circular loop comprises that one connects the closed stream that described condenser, described storage tank and described first water pump are formed successively by pipeline, and the 4th valve is installed on the pipeline between described first water pump and the regenerator.
2. a kind of circulation heat recovery heat pump type water heater as claimed in claim 1, it is characterized in that: temperature control system and tank level control system are installed on the described storage tank, and described temperature control system links to each other with the 4th valve with described compressor, described tank level control system links to each other with described first valve, be used for monitoring water temperature and liquid level in the described storage tank respectively, and control described compressor and described the first, the 4th valve event.
3. a kind of circulation heat recovery heat pump type water heater as claimed in claim 1 is characterized in that: the electric expansion valve of throttling action together is set on the pipeline of described refrigerating circuit.
4. a kind of circulation heat recovery heat pump type water heater as claimed in claim 2 is characterized in that: the electric expansion valve of throttling action together is set on the pipeline of described refrigerating circuit.
5. as claim 1 or 2 or 3 or 4 described a kind of circulation heat recovery heat pump type water heaters, it is characterized in that: a bypass in parallel between described wastewater collection pond and liquid-liquid heat exchange evaporimeter is equipped with the 5th valve in the described bypass.
6. as claim 1 or 2 or 3 or 4 described a kind of circulation heat recovery heat pump type water heaters, it is characterized in that: the quantity in described heat water-spraying's device and wastewater collection pond is more than two, and adopt the arrangement of plural parallel stage, on the pipeline before every grade of described heat water-spraying's device of parallel connection described second valve is installed all.
7. a kind of circulation heat recovery heat pump type water heater as claimed in claim 5, it is characterized in that: the quantity in described heat water-spraying's device and wastewater collection pond is more than two, and adopt the arrangement of plural parallel stage, on the pipeline before every grade of described heat water-spraying's device of parallel connection described second valve is installed all.
8. as claim 1 or 2 or 3 or 4 described a kind of circulation heat recovery heat pump type water heaters, it is characterized in that: the quantity of described liquid-liquid heat exchange evaporimeter, liquid-gas heat exchange evaporimeter and regenerator is more than two, and adopts the mode of plural serial stage.
9. a kind of circulation heat recovery heat pump type water heater as claimed in claim 5 is characterized in that: the quantity of described liquid-liquid heat exchange evaporimeter, liquid-gas heat exchange evaporimeter and regenerator is more than two, and adopts the mode of plural serial stage.
10. a kind of circulation heat recovery heat pump type water heater as claimed in claim 7 is characterized in that: the quantity of described liquid-liquid heat exchange evaporimeter, liquid-gas heat exchange evaporimeter and regenerator is more than two, and adopts the mode of plural serial stage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200920271495 CN201582983U (en) | 2009-12-28 | 2009-12-28 | Cycling back-heat heat pump water heater |
Applications Claiming Priority (1)
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CN 200920271495 CN201582983U (en) | 2009-12-28 | 2009-12-28 | Cycling back-heat heat pump water heater |
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CN201582983U true CN201582983U (en) | 2010-09-15 |
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CN 200920271495 Expired - Fee Related CN201582983U (en) | 2009-12-28 | 2009-12-28 | Cycling back-heat heat pump water heater |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607170A (en) * | 2012-03-21 | 2012-07-25 | 佛山市三角洲电器科技有限公司 | Quick heating type heat pump water heater for recovering shower waste heat |
CN105987501A (en) * | 2015-01-30 | 2016-10-05 | 青岛经济技术开发区海尔热水器有限公司 | Method for controlling electronic expansion valves in variable-frequency heat-pump water heater systems |
CN109641762A (en) * | 2016-07-29 | 2019-04-16 | 西门子股份公司 | Method for separating the equipment of product water from contaminated raw water and for running the equipment |
-
2009
- 2009-12-28 CN CN 200920271495 patent/CN201582983U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607170A (en) * | 2012-03-21 | 2012-07-25 | 佛山市三角洲电器科技有限公司 | Quick heating type heat pump water heater for recovering shower waste heat |
CN102607170B (en) * | 2012-03-21 | 2014-07-09 | 佛山市三角洲电器科技有限公司 | Quick heating type heat pump water heater for recovering shower waste heat |
CN105987501A (en) * | 2015-01-30 | 2016-10-05 | 青岛经济技术开发区海尔热水器有限公司 | Method for controlling electronic expansion valves in variable-frequency heat-pump water heater systems |
CN105987501B (en) * | 2015-01-30 | 2019-07-23 | 青岛经济技术开发区海尔热水器有限公司 | The control method of electric expansion valve in frequency conversion heat pump water heater system |
CN109641762A (en) * | 2016-07-29 | 2019-04-16 | 西门子股份公司 | Method for separating the equipment of product water from contaminated raw water and for running the equipment |
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Legal Events
Date | Code | Title | Description |
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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: 20100915 Termination date: 20171228 |