CN108592162A - Heat pump integrates waste heat multiple-effect reuse bath hot water and prepares unit and preparation method - Google Patents
Heat pump integrates waste heat multiple-effect reuse bath hot water and prepares unit and preparation method Download PDFInfo
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- CN108592162A CN108592162A CN201810577065.0A CN201810577065A CN108592162A CN 108592162 A CN108592162 A CN 108592162A CN 201810577065 A CN201810577065 A CN 201810577065A CN 108592162 A CN108592162 A CN 108592162A
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- Prior art keywords
- sewage
- multimedium
- water
- heat exchange
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of integrated waste heat multiple-effect reuse bath hot waters of heat pump to prepare unit and preparation method, which solve existing bathing exhaust heat recovery apparatus heating efficiency is low, need the big technical problem of sewage quantity, it is equipped with water service pump, water flow switch, multimedium heat exchanging evaporator, multimedium heat exchange condensers, running water outlet, sewage pump, sewage (waste water) recirculating pump, outlet of sewer, compressor, two coolers and heating power expansion valve, heat exchange twice before and after low temperature tap water and high temperature sewage are carried out, then tap water is heated again using heat pump techniques, tap water is set to reach the temperature of suitable bathing.The present invention can be prepared with the hot water for being widely used in bathing place.
Description
Technical field
The present invention relates to a kind of residual heat conversion device and method, specifically a kind of heat pump integrates waste heat multiple-effect reuse and washes
Bath hot water prepares unit and preparation method.
Background technology
In bathing industry, the hot water that usual people are used for bathing also has certain heat, sewage temperature after using
Generally at 30 DEG C or so, these tow taste heats are larger due to recycling difficulty, are not taken seriously generally, this partial heat
It often flows directly in drainpipe, is not reuptaked recycling, cause amount of heat to be lost in, cause energy waste.Cause
This people works out waste water Waste Heat Recovery System, and existing waste water Waste Heat Recovery System is many, but has Some Enterprises life in the market
Production bathing exhaust heat recovery apparatus practicability is few, efficiency is relatively low, is primarily present problem:Traditional equipment is only simply by heat pump
The heat in waste water is extracted, is heated to new water, efficiency is low, and especially in winter, tap water inflow temperature is low, and efficiency is even more low
Under;It needs to provide a large amount of sewage, the usage amount of sewage is much larger than running water output.
Invention content
The present invention is exactly to be asked to solve the technologies such as existing bathing exhaust heat recovery apparatus heating efficiency is low, needs sewage quantity big
Topic proposes that the integrated waste heat multiple-effect reuse bath hot water of heat pump that a kind of heating efficiency is high, required sewage quantity is small prepares unit and system
Preparation Method.
The technical scheme is that:A kind of heat pump integrates waste heat multiple-effect reuse bath hot water and prepares unit, is equipped with more
It is set respectively inside media for heat exchange evaporator, multimedium heat exchange condensers, multimedium heat exchanging evaporator and multimedium heat exchange condensers
There are originally aquaporin, sewage routeway and fluorine channel, multimedium heat exchanging evaporator front end to have the function of that heat exchanger, rear end have evaporation
Device function, multimedium heat exchange condensers front end have the function of that heat exchanger, rear end have condenser function;
Water service pump is equipped with by piping connection before multimedium heat exchanging evaporator tap water feeder connection, multimedium heat exchange is steamed
It sends out and is equipped with tap water water flow switch between device and water service pump, multimedium heat exchanging evaporator tap water channel outlet is changed with multimedium
Reheater condenser tap water feeder connection is gone out by piping connection, multimedium heat exchange condensers tap water channel outlet equipped with tap water
Mouthful;
Sewage pump, multimedium heat exchange condensers are equipped with by piping connection before multimedium heat exchange condensers sewage routeway entrance
Sewage water flow switch is equipped between sewage pump, the outlet of multimedium heat exchange condensers sewage routeway and multimedium heat exchanging evaporator are dirty
Aquaporin entrance is equipped with outlet of sewer by piping connection, the outlet of multimedium heat exchanging evaporator sewage routeway;
Multimedium heat exchanging evaporator sewage routeway is additionally provided with second entrance, outlet of sewer and multimedium heat exchanging evaporator sewage
Sewage (waste water) recirculating pump and circulating water flow switch are additionally provided between the second entrance of channel;
Compressor, multimedium heat exchange condensers fluorine are equipped with by piping connection before multimedium heat exchange condensers fluorine feeder connection
With multimedium heat exchanging evaporator fluorine feeder connection by piping connection, multimedium heat exchange condensers fluorine channel is situated between channel outlet more with
Two coolers and heating power expansion valve are additionally provided between matter heat exchanging evaporator fluorine channel, multimedium heat exchanging evaporator fluorine channel outlet passes through
For piping connection compression mechanism at the fluorine conduit of closure, fluorine conduit inside is full of refrigerant.
Preferably, multimedium heat exchanging evaporator, multimedium heat exchange condensers, compressor, two coolers, heating power expansion valve are gentle
Liquid/gas separator is equipped with two sets, forms two systems, two systems can common operational, often covering system also being capable of separate operaton.
Preferably, running water outlet and outlet of sewer are equipped with electric control valve and flowmeter.
Preferably, fluorine conduit is equipped with high voltage protective switch and low-voltage protective switch.
Preferably, fluorine conduit is additionally provided with gas-liquid separator.
A kind of heat pump using any described devices of claim 1-5 integrates waste heat multiple-effect reuse bath hot water preparation side
Method specifically includes following steps:
(1) start the integrated waste heat multiple-effect reuse bath hot water of heat pump and prepare unit, water service pump, sewage pump and effluent cycle
Pump is started to work, and tap water water flow switch, sewage water flow switch and circulating water flow switch are opened, low temperature tap water and high temperature sewage
Pass through water service pump respectively and sewage pump enters multimedium heat exchanging evaporator and multimedium heat exchange condensers;
(2) compressor starts work, and refrigerant starts the cycle over work in fluorine conduit;
(3) low temperature tap water is carried out with the sewage flowed out from multimedium heat exchange condensers in multimedium heat exchanging evaporator front end
Heat exchange, low temperature tap water carry out first time heating, absorb sewerage heat energy, and tap water flows into multimedium heat exchange condensers, simultaneously
Sewage enters multimedium heat exchange condensers rear end;
(4) tap water with high temperature sewage by heating for the first time carry out hot friendship again in multimedium heat exchange condensers front end
It changes, tap water carries out second and heats, and absorbs sewerage heat energy again, tap water enters multimedium heat exchange condensers rear end, simultaneously
Sewage flows into multimedium heat exchanging evaporator front end and is used for heat exchange;
(5) refrigerant further absorbs sewage after-heat in multimedium heat exchange condensers rear end, exchanges heat and evaporates in multimedium
Device rear end discharges heat, is finally heated to tap water, and tap water reaches the temperature suitable for bathing.
The beneficial effects of the invention are as follows:Effect and aftereffect heat recovering process before increased, are extracted in waste water to greatest extent
Heat greatly improves heating efficiency;Increased sewage (waste water) recirculating pump reduces the usage amount of sewage, makes water yield and the dirt of new water
The usage amount of water is close to 1:1.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Accompanying drawings symbol description:
1. tap water inlets;2. water service pump;3. tap water water flow switch;4. multimedium heat exchanging evaporator;5. multimedium
Heat exchange condensers;6. originally water ga(u)ge;7. tap water electric control valve;8. running water outlet;10. sewage inlet;11. sewage
Pump;12. sewage water flow switch;13. circulating water flow switchs;14. sewage (waste water) recirculating pump;15. sewage electric control valve;16. sewage stream
Gauge;17. outlet of sewer;20. compressor;21. two coolers;22. heating power expansion valve;23. gas-liquid separator;24. low-voltage variation
Switch;25. high voltage protective switchs;26. second entrance.
Specific implementation mode
The present invention is described further with reference to embodiment.
An embodiment of the present invention as shown in Figure 1 is equipped with tap water inlets 1, water service pump 2, tap water flow and opens
Close 3, multimedium heat exchanging evaporator 4, multimedium heat exchange condensers 5, originally water ga(u)ge 6, tap water electric control valve 7, originally
Water out 8, sewage inlet 10, sewage pump 11, sewage water flow switch 12, sewage (waste water) recirculating pump 14, circulating water flow switch 13, sewage electricity
Dynamic regulating valve 15, sewage flowmeter 16, outlet of sewer 17, compressor 20, two coolers 21, heating power expansion valve 22, gas-liquid separator
23, low-voltage protective switch 24 and high voltage protective switch 25;Multimedium heat exchanging evaporator 4 and multimedium heat exchange condensers 5 are set respectively
There are originally aquaporin, sewage routeway and fluorine channel;Multimedium heat exchanging evaporator front end has the function of that heat exchanger, rear end have evaporation
Device function, multimedium heat exchange condensers front end have the function of that heat exchanger, rear end have condenser function.
With water service pump 2 by piping connection, water service pump 2 is evaporated tap water inlets 1 by pipeline and multimedium heat exchange
4 tap water feeder connection of device connects, and water service pump 2 is by being equipped with tap water flow between pipeline and multimedium heat exchanging evaporator 2
Switch 3,4 tap water channel outlet of multimedium heat exchanging evaporator pass through pipe with 5 tap water feeder connection of multimedium heat exchange condensers
Road connects, and for 5 tap water channel outlet of multimedium heat exchange condensers with running water outlet 8 by piping connection, multimedium heat exchange is cold
Originally water ga(u)ge 6 and tap water electric control valve 7 are additionally provided between condenser 5 and running water outlet 8.
Sewage inlet 10 passes through piping connection, sewage pump 11 and 5 sewage routeway of multimedium heat exchange condensers with sewage pump 11
Entrance is equipped with sewage water flow switch 12, multimedium heat exchange by piping connection between sewage pump 11 and multimedium heat exchange condensers 5
5 sewage routeway of condenser is exported passes through piping connection, multimedium heat exchange evaporation with 4 sewage routeway entrance of multimedium heat exchanging evaporator
4 sewage routeway of device is exported passes through piping connection with outlet of sewer 17;4 sewage routeway of multimedium heat exchanging evaporator is equipped with second simultaneously
Entrance 26 is additionally provided with sewage (waste water) recirculating pump 14 and cycle between the outlet of 4 sewage routeway of multimedium heat exchanging evaporator and second entrance 26
Water flow switch 13 is equipped with sewage electric control valve 15 and sewage flowmeter between multimedium heat exchanging evaporator 4 and outlet of sewer 17
16。
Compressor 20 is connect by pipeline with 5 fluorine channel of multimedium heat exchange condensers, 5 fluorine channel of multimedium heat exchange condensers
With 4 fluorine channel of multimedium heat exchanging evaporator by piping connection, 5 fluorine channel of multimedium heat exchange condensers is evaporated with multimedium heat exchange
Two coolers 21 and heating power expansion valve 22 are additionally provided between 4 fluorine channel of device, 4 fluorine channel of multimedium heat exchanging evaporator passes through piping connection
The fluorine conduit that the composition of connect compressor 20 is closed after gas-liquid separator 23, fluorine conduit further respectively have low-voltage variation and open
Close 24 and high voltage protective switch 25.
Unit, water service pump 2, sewage are prepared when starting the integrated waste heat multiple-effect reuse bath hot water of heat pump of the present invention
Pump 11 and sewage (waste water) recirculating pump 14, tap water water flow switch 3, sewage water flow switch 12 and circulating water flow switch 13 are opened.From originally
Water inlet 1 enters the low temperature tap water of water service pump 2, and it is logical to enter 4 tap water of multimedium heat exchanging evaporator by water flow switch 3
Road, subsequently into the originally aquaporin of multimedium heat exchange condensers 5, by originally water ga(u)ge 6 and tap water electric control valve 7
Afterwards, it is finally flowed out from running water outlet 8;The high temperature sewage for entering sewage pump 11 from sewage inlet 10, by sewage water flow switch
12 enter 5 sewage routeway of multimedium heat exchange condensers, subsequently into 4 sewage routeway of multimedium heat exchanging evaporator, when sewage flows out
When multimedium 4 sewage routeway of heat exchanging evaporator, part of contaminated water passes through sewage electric control valve 15 and sewage flowmeter 16 from sewage
17 outflow of outlet, another part sewage flow back to 4 sewage routeway of multimedium heat exchanging evaporator by sewage (waste water) recirculating pump 14;Compressor 20
Operation, refrigerant enter 5 fluorine channel of multimedium heat exchange condensers from compressor 20, then pass through two coolers 21 and heating power expansion valve 22
4 fluorine channel of multimedium heat exchanging evaporator is flowed into, finally flows back to compressor 20 by gas-liquid separator 23.
Low temperature tap water enters the originally aquaporin of multimedium heat exchanging evaporator 4, with 5 sewage routeway of multimedium heat exchange condensers
The secondary high temperature sewage of outflow carries out low-temperature heat exchange in 4 front end of multimedium heat exchanging evaporator, certainly for medium temperature by low temperature tap water heating
Water, secondary high temperature sewage cooling is medium temperature sewage, realizes the preceding effect heating of tap water, is completed at the same time the aftereffect heat release of sewage.
Medium temperature tap water goes successively to the originally aquaporin of multimedium heat exchange condensers 5, with the height entered from sewage inlet 10
Warm sewage carries out high temperature heat exchange in 5 front end of multimedium heat exchange condensers, is time high temperature tap water by medium temperature tap water heating, simultaneously
It is time high temperature sewage by the cooling of high temperature sewage, realizes the aftereffect heating of tap water, the preceding effect heat release of sewage is completed at the same time, by preceding
Effect and aftereffect heat recovering process extract the heat in waste water, greatly improve heating efficiency.
Secondary high temperature tap water exchanges heat in 5 rear end of multimedium heat exchange condensers with the refrigerant in fluorine conduit, utilizes
The heat that refrigerant carries is conveyed to time high temperature tap water by heat pump techniques, completes final tap water heating process, secondary high temperature is certainly
Water is heated to be high temperature tap water, and high temperature tap water flows out running water outlet 8.
Medium temperature sewage exchanges heat in 4 rear end of multimedium heat exchanging evaporator with the refrigerant in fluorine conduit, and refrigerant absorbs
After-heat in medium temperature sewage completes final sewage exothermic process, and the cooling of medium temperature sewage is low-temperature sewage, and part low temperature is dirty
Water flows out outlet of sewer 17, and another part low-temperature sewage flows back to multimedium by second entrance 26 by sewage (waste water) recirculating pump 14 and exchanges heat
4 sewage routeway of evaporator, mixes with medium temperature sewage and exchanges heat again with refrigerant, and the heat of sewage is utilized to greatest extent,
The minimum temperature at discharging condensate of sewage reaches 5-7 DEG C, makes the use of tap water and sewage ratio close to 1:1;Sewage (waste water) recirculating pump 14 can control
The sewage quantity of multimedium heat exchanging evaporator 4 is flowed into, the icing that multimedium heat exchanging evaporator 4 is generated by low temperature, effective protection are prevented
The safe operation of multimedium heat exchanging evaporator 4.
Multimedium heat exchanging evaporator 4 according to the present invention, multimedium heat exchange condensers 5, compressor 20, two coolers 21,
Heating power expansion valve 22 and gas-liquid separator 23 are equipped with two sets, often cover system and are separately formed a set of fluorine conduit, two systems
Can common operational, while also can independently working, two systems mutually with mutually it is standby, effectively improve unit utilization rate, it is ensured that unit
Safe and stable operation.
The present invention passes through to tap water water flow switch 3, tap water electric control valve 7, water service pump 2, sewage pump 11, sewage
Data monitoring and the control of circulating pump 14, sewage water flow switch 12, circulating water flow switch 13, sewage electric control valve and compressor 20
System, realizes the automatic running of equipment and automatically controlling for hot water flow;High voltage protective is arranged in fluorine conduit simultaneously to switch
25 and low-voltage protective switch 24, the high and low pressure of fluorine conduit is monitored, fluorine pipeline and entire bath hot water is protected to prepare
Unit safety operation.
The present invention also provides a kind of heat pumps to integrate waste heat multiple-effect reuse bath hot water preparation method, specifically includes following step
Suddenly:
(1) start the integrated waste heat multiple-effect reuse bath hot water of heat pump and prepare unit, water service pump, sewage pump and effluent cycle
Pump is started to work, and tap water water flow switch, sewage water flow switch and circulating water flow switch are opened, low temperature tap water and high temperature sewage
Pass through water service pump respectively and sewage pump enters multimedium heat exchanging evaporator and multimedium heat exchange condensers;
(2) compressor starts work, and refrigerant starts the cycle over work in fluorine conduit;
(3) low temperature tap water is carried out with the sewage flowed out from multimedium heat exchange condensers in multimedium heat exchanging evaporator front end
Heat exchange, low temperature tap water carry out first time heating, absorb sewerage heat energy, and tap water flows into multimedium heat exchange condensers, simultaneously
Sewage enters multimedium heat exchange condensers rear end;
(4) tap water with high temperature sewage by heating for the first time carry out hot friendship again in multimedium heat exchange condensers front end
It changes, tap water carries out second and heats, and absorbs sewerage heat energy again, tap water enters multimedium heat exchange condensers rear end, simultaneously
Sewage flows into multimedium heat exchanging evaporator front end and is used for heat exchange;
(5) refrigerant further absorbs sewage after-heat in multimedium heat exchange condensers rear end, exchanges heat and evaporates in multimedium
Device rear end discharges heat, is finally heated to tap water, and tap water reaches the temperature suitable for bathing.
Only as described above, only specific embodiments of the present invention, when the model that cannot be limited the present invention with this and implement
It encloses, therefore the displacement of its equivalent assemblies, or according to equivalent variations made by scope of patent protection of the present invention and modification, all should still belong to this hair
The scope that bright claims are covered.
Claims (6)
1. a kind of heat pump integrate waste heat multiple-effect reuse bath hot water prepare unit, characterized in that be equipped with multimedium heat exchanging evaporator,
It is logical to be respectively equipped with tap water inside the multimedium heat exchanging evaporator and multimedium heat exchange condensers for multimedium heat exchange condensers
Road, sewage routeway and fluorine channel, multimedium heat exchanging evaporator front end have the function of that heat exchanger, rear end have evaporator work(
Can, multimedium heat exchange condensers front end has the function of that heat exchanger, rear end have condenser function;
Water service pump is equipped with by piping connection before the multimedium heat exchanging evaporator tap water feeder connection, the multimedium changes
Tap water water flow switch is equipped between hot vaporizer and the water service pump, originally aquaporin goes out the multimedium heat exchanging evaporator
Mouth passes through piping connection, the multimedium heat exchange condensers tap water with the multimedium heat exchange condensers tap water feeder connection
Channel outlet is equipped with running water outlet;
Sewage pump is equipped with by piping connection before the multimedium heat exchange condensers sewage routeway entrance, the multimedium heat exchange is cold
Be equipped with sewage water flow switch between condenser and the sewage pump, multimedium heat exchange condensers sewage routeway outlet with it is described more
Media for heat exchange evaporator sewage routeway entrance is equipped with dirt by piping connection, the multimedium heat exchanging evaporator sewage routeway outlet
Water out;
The multimedium heat exchanging evaporator sewage routeway is additionally provided with second entrance, and the outlet of sewer is steamed with multimedium heat exchange
Sewage (waste water) recirculating pump and circulating water flow switch are additionally provided between hair device sewage routeway second entrance;
Compressor, the multimedium heat exchange condensation are equipped with by piping connection before the multimedium heat exchange condensers fluorine feeder connection
Device fluorine channel outlet passes through piping connection, the multimedium heat exchange condensers with the multimedium heat exchanging evaporator fluorine feeder connection
Two coolers and heating power expansion valve, the multimedium heat exchange are additionally provided between fluorine channel and the multimedium heat exchanging evaporator fluorine channel
By compression mechanism described in piping connection at the fluorine conduit of closure, fluorine conduit inside is full of evaporator fluorine channel outlet
Refrigerant.
2. heat pump according to claim 1 integrates waste heat multiple-effect reuse bath hot water and prepares unit, which is characterized in that described
Multimedium heat exchanging evaporator, multimedium heat exchange condensers, compressor, two coolers, heating power expansion valve and gas-liquid separator are equipped with
Two sets, form two systems, the two systems can common operational, also being capable of separate operaton.
3. heat pump according to claim 1 integrates waste heat multiple-effect reuse bath hot water and prepares unit, which is characterized in that described
Running water outlet and outlet of sewer are equipped with electric control valve and flowmeter.
4. heat pump according to claim 1 integrates waste heat multiple-effect reuse bath hot water and prepares unit, which is characterized in that described
Fluorine conduit is equipped with high voltage protective switch and low-voltage protective switch.
5. heat pump according to claim 1 integrates waste heat multiple-effect reuse bath hot water and prepares unit, which is characterized in that described
Fluorine conduit is additionally provided with gas-liquid separator.
6. a kind of heat pump using any described devices of claim 1-5 integrates waste heat multiple-effect reuse bath hot water preparation method,
Specifically include following steps:
(1) start the integrated waste heat multiple-effect reuse bath hot water of heat pump and prepare unit, water service pump, sewage pump and sewage (waste water) recirculating pump are opened
Beginning work, tap water water flow switch, sewage water flow switch and circulating water flow switch are opened, low temperature tap water and high temperature sewage difference
Enter multimedium heat exchanging evaporator and multimedium heat exchange condensers by water service pump and sewage pump;
(2) compressor starts work, and refrigerant starts the cycle over work in fluorine conduit;
(3) low temperature tap water carries out hot friendship with the sewage flowed out from multimedium heat exchange condensers in multimedium heat exchanging evaporator front end
It changes, low temperature tap water carries out first time heating, absorbs sewerage heat energy, and tap water flows into multimedium heat exchange condensers, while sewage
Into multimedium heat exchange condensers rear end;
(4) tap water with high temperature sewage by heating for the first time carry out heat exchange again in multimedium heat exchange condensers front end,
Tap water carries out second and heats, and absorbs sewerage heat energy again, tap water enters multimedium heat exchange condensers rear end, while sewage
It flows into multimedium heat exchanging evaporator front end and is used for heat exchange;
(5) refrigerant further absorbs sewage after-heat in multimedium heat exchange condensers rear end, after multimedium heat exchanging evaporator
End release heat, finally heats tap water, tap water reaches the temperature suitable for bathing.
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CN101216212A (en) * | 2008-01-03 | 2008-07-09 | 党路明 | Method for Improving double heat pump hot-water system startup and adjustment performance |
CA2736146A1 (en) * | 2008-09-05 | 2010-03-11 | Alain Moure | Heating system with optimized recovery of waste water heat |
CN201476169U (en) * | 2009-09-08 | 2010-05-19 | 姬涌 | Bathwater heating device recovering and utilizing waste bathwater heat |
CN201964612U (en) * | 2010-12-30 | 2011-09-07 | 杭州嘉汇节能设备有限公司 | Sewage waste heat recycling heat pump water heater |
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