CN106839425A - One kind bypass double loop fast heating type waste water source heat pump water heater and its control method - Google Patents
One kind bypass double loop fast heating type waste water source heat pump water heater and its control method Download PDFInfo
- Publication number
- CN106839425A CN106839425A CN201710014129.1A CN201710014129A CN106839425A CN 106839425 A CN106839425 A CN 106839425A CN 201710014129 A CN201710014129 A CN 201710014129A CN 106839425 A CN106839425 A CN 106839425A
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- China
- Prior art keywords
- water
- evaporator
- water heater
- waste water
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/05—Compression system with heat exchange between particular parts of the system
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
One kind bypass double loop fast heating type waste water source heat pump water heater and its control method, the water heater include compressor, and triple valve, condenser, evaporator, expansion valve, water mixing valve, preheating heat exchanger, water heater is divided into heat pump and water system；The present invention also provides the control method of the water heater；The water heater does not set water tank, is the quick heating type water heater that once circulates, hot water temperature's stabilization；And use waste water residual heat as thermal source, improve energy utilization rate, reducing energy consumption；In addition, providing additional heat to evaporator using compressor air-discharging heat when water heater is started shooting using a bypass circulation, solve the problems, such as that evaporator easily freezes during start；In addition, the waste water source heat pump water heater does not set storage tank, i.e., continue supplying hot water using once through-flow form, solve that the common water heater hot-water time is long, the problem of supply water temperature decay improves user's comfortableness.
Description
Technical field
The invention belongs to water heater and technical field of heat pumps, and in particular to one kind bypass double loop fast heating type waste water source heat pump
Water heater and its control method.
Background technology
Current household heat pump water heater is generally air source hot pump water heater, but because its is bulky, installs and safeguard inconvenience,
The easy frosting of outdoor unit, the problems such as easily influence by amblent air temperature, fails commercially to be widely popularized.Although water source heat pump water heater does not have
There is problem above, if but want to be applied in home bathroom, need substantial amounts of running water as thermal source, cause water waste.Consider
Spent hot water after to shower still has the temperature for exceeding 30 DEG C, therefore can use bath waste water as thermal source, will water source heat
Pump water heater is designed to waste water source heat pump water heater, reclaims waste heat therein to heat water supply, has not only saved water resource, also carries
High energy utilization rate, reducing energy consumption.But in such water heater start-up phase, because the waste water without sufficient temp is used as warm
Source, the problem that can easily cause evaporator to freeze influences system reliability.In addition, having the hot water of attemperater in the market
Device usually occurs the problems such as hot water time is long, and hot water temperature gradually decays in use, greatly reduces user and uses
Comfortableness.
The content of the invention
In order to solve the problems, such as above-mentioned prior art, it is an object of the invention to provide one kind bypass double loop speed heat
Formula waste water source heat pump water heater and its control method, can reclaim waste water residual heat, improve energy utilization rate, reducing energy consumption；Simultaneously
Evaporator easily freezes when solving the problems, such as that such water heater is started shooting, and improves system reliability；In addition, water heater of the invention does not set
Storage tank, once circulation is supplied water, and can continue hot-water supply, and temperature stabilization, the hot water time is short, and comfortableness is high.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
One kind bypass double loop fast heating type waste water source heat pump water heater, including heat pump and water system, the heat pump
System includes compressor 1, and the outlet of compressor 1 is connected with the entrance of triple valve 6, the refrigerant of the first outlet of triple valve 6 and condenser 2
Side entrance is connected, and second outlet is connected with the first entrance of evaporator 4, the first outlet of evaporator 4 and the refrigerant of condenser 2
Side entrance is connected, and the outlet of the refrigerant side of condenser 2 is connected by expansion valve 3 with the second entrance of evaporator 4, and the of evaporator 4
Two outlets are connected with compressor 1；The water system includes preheating heat exchanger 7, and the water feed inlet connection of preheating heat exchanger 7 is supplied water
Pipeline, the service water outlet of preheating heat exchanger 7 is divided into hot water line and cold water pipeline, and the water side of hot water line's connection condenser 2 enters
Mouthful, the adjustable water mixing valve 5 of connection traffic is then converged with cold water pipeline, the export supply health hot water of water mixing valve 5, health hot water makes
Become waste water after, waste water enters Sewage treatment pipeline, and Sewage treatment pipeline connects the waterwater entrance of preheating heat exchanger 7, preheating
The wastewater outlet of heat exchanger 7 is connected with the waterwater entrance of evaporator 4, by passing through evaporation after the Sewage treatment pipeline of evaporator 4
The wastewater outlet of device 4 completes draining；The compressor 1 and triple valve 6 are connected with controller；Temperature is disposed with the evaporator 4
Degree sensor.
The water heater does not set heating water tank or waste water tank, supplies water and draining is a circulating form.
The evaporator 4 is finned heat exchanger.
The condenser 2 is plate type heat exchanger.
The Sewage treatment pipeline of the evaporator 4 is provided with filter mechanism.
A kind of control method of described bypass double loop fast heating type waste water source heat pump water heater, temperature sensor detection is steamed
The hair temperature T1 of device 4, works as T1<During T0, controller control operation start speed heat operating mode；As T1 >=T0, stable operating condition；
T0 is 25~30 DEG C of design temperature；
The start speed heat procedure of operating mode of the water heater is：Switching three-way valve 6 makes the tunnel of refrigerant flow direction evaporator 4 one, i.e.,
High-temperature high-pressure refrigerant after being compressed by compressor 1 first passes through evaporator 4 and provides certain heat, slows down the relatively low waste water of temperature
Cooling rate, prevent evaporator from freezing, influence reliability；Subsequent refrigerant returns to triple valve 6 and exports, and enters back into condenser 2
Heating is supplied water and forms Low Temperature Liquid, by the heat entered during evaporator 4 absorbs waste water after the throttling of expansion valve 3, eventually passes back to pressure
Contracting machine 1；
The steady running condition flow of the water heater is：Switching three-way valve 6 makes the tunnel of refrigerant flow direction condenser 2 one,
Wherein heating is supplied water and forms Low Temperature Liquid, by the heat entered during evaporator 4 absorbs waste water after the throttling of expansion valve 3, is finally returned
To compressor 1.
Compared to the prior art compared with the present invention possesses following advantage：
1st, energy utilization rate higher.The Teat pump boiler reclaims waste heat therein using waste water as thermal source, improves the energy
Utilization rate, reducing energy consumption.
2nd, stronger system reliability.The Teat pump boiler is used and bypasses two circuit structure, i.e., series-parallel structure,
Start-up phase, certain heat is provided using compressor air-discharging to evaporator, prevents evaporator from freezing, and system is more stable.
3rd, more preferable comfort.The water heater does not set storage tank, is that once circulation is supplied water, sustainable supply constant temperature heating
Water, the hot water time is short, and temperature damping's problem is not had.
Brief description of the drawings
Fig. 1 is the structure composition figure of water heater of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of bypass double loop fast heating type waste water source heat pump water heater of the present invention, including heat pump and confession
Water system.The connected mode of each part of heat pump is：The outlet of compressor 1 is connected with the entrance of triple valve 6, and triple valve 6 first goes out
Mouth is connected with the refrigerant side entrance of condenser 2, and second outlet is connected with the first entrance of evaporator 4, by evaporator 4 first
Outlet is connected with the refrigerant side entrance of condenser 2, and the refrigerant side outlet of condenser 2 is connected with expansion valve 3, and expansion valve 3 is exported
It is connected with the second entrance of evaporator 4, compressor 1 is eventually passed back to by the second outlet of evaporator 4；The connected mode of water system
It is：The water of water supply line is introduced into the water feed inlet of preheating heat exchanger 7, and heat is out divided into afterwards from the service water outlet of preheating heat exchanger 7
Water lines and cold water pipeline, hot water line enter the water side entrance of condenser 2, then converge connection traffic with cold water pipeline adjustable
Water mixing valve 5, the export supply health hot water of water mixing valve 5, health hot water becomes waste water after, and waste water enters Sewage treatment pipe
Road, the Sewage treatment pipeline connection waterwater entrance of preheating heat exchanger 7, wastewater outlet and the waste water of evaporator 4 of preheating heat exchanger 7 enter
Mouth is connected, and draining is completed by the wastewater outlet after the Sewage treatment pipeline of evaporator 4 by evaporator 4.
A kind of described bypass double loop fast heating type waste water source heat pump water heater does not set heating water tank or waste water tank, supply water with
Draining is a circulating form.
Temperature sensor is disposed with the evaporator (4).
The compressor (1), triple valve (6) are connected with a controller.
Used as the preferred embodiment of the present invention, the evaporator 4 is finned heat exchanger, high with heat transfer coefficient, easily
The advantage of disassembling, assembling and replacing.
Used as the preferred embodiment of the present invention, the condenser 2 is plate type heat exchanger, structure high with heat transfer coefficient
Compact, small volume, consumptive material is few, is difficult structure, easily removable and washable advantage.
Used as the preferred embodiment of the present invention, the Sewage treatment pipeline of the evaporator 4 is provided with filter mechanism, can keep away
Disposable shower dirt of gargling blocks remaining influence heat exchange on an evaporator, or even blocking pipeline.
A kind of control method of described bypass double loop fast heating type waste water source heat pump water heater, temperature sensor detection is steamed
Hair device temperature T1, works as T1<During T0, operation start speed heat operating mode；As T1 >=T0, stable operating condition；T0 is setting temperature
25~30 DEG C of degree.
Its start speed heat operating mode refrigerant flow circuit be：1 → the triple valve of compressor, 6 → evaporator, 4 → condenser 2 → swollen
4 → compressor of swollen 3 → evaporator of valve 1.
Its steady running condition refrigerant flow circuit is：Compressor 1 → triple valve, 6 → condenser, 2 → expansion valve, 3 → evaporator
4 → compressor 1.
Claims (6)
- It is 1. a kind of to bypass double loop fast heating type waste water source heat pump water heater, it is characterised in that：Including heat pump and water system, The heat pump includes compressor (1), and compressor (1) outlet is connected with triple valve (6) entrance, triple valve (6) first outlet Refrigerant side entrance with condenser (2) is connected, and second outlet is connected with the first entrance of evaporator (4), and the of evaporator (4) One outlet is connected with the refrigerant side entrance of condenser (2), and the outlet of condenser (2) refrigerant side is by expansion valve (3) and evaporation The second entrance of device (4) is connected, and the second outlet of evaporator (4) is connected with compressor (1)；The water system is changed including preheating Hot device (7), the water feed inlet connection water supply line of preheating heat exchanger (7), the service water outlet of preheating heat exchanger (7) is divided into hot-water line Road and cold water pipeline, the water side entrance of hot water line's connection condenser (2), then converge connection traffic adjustable with cold water pipeline Water mixing valve (5), water mixing valve (5) export supply health hot water, health hot water becomes waste water after, and waste water enters Sewage treatment pipe Road, the waterwater entrance of Sewage treatment pipeline connection preheating heat exchanger (7), wastewater outlet and the evaporator (4) of preheating heat exchanger (7) Waterwater entrance be connected, by completing draining by the wastewater outlet of evaporator (4) after the Sewage treatment pipeline of evaporator (4)； The compressor (1) and triple valve (6) are connected with controller；Temperature sensor is disposed with the evaporator (4).
- 2. one kind according to claim 1 bypasses double loop fast heating type waste water source heat pump water heater, it is characterised in that：The heat Hydrophone does not set heating water tank or waste water tank, supplies water and draining is a circulating form.
- 3. one kind according to claim 1 bypasses double loop fast heating type waste water source heat pump water heater, it is characterised in that：It is described Evaporator (4) is finned heat exchanger.
- 4. one kind according to claim 1 bypasses double loop fast heating type waste water source heat pump water heater, it is characterised in that：It is described Condenser (2) is plate type heat exchanger.
- 5. one kind according to claim 1 bypasses double loop fast heating type waste water source heat pump water heater, it is characterised in that：It is described The Sewage treatment pipeline of evaporator (4) is provided with filter mechanism.
- 6. the control method of a kind of bypass double loop fast heating type waste water source heat pump water heater described in any one of claim 1 to 5, It is characterized in that：Temperature sensor detects evaporator (4) temperature T1, works as T1<During T0, controller control operation start speed heat work Condition；As T1 >=T0, stable operating condition；T0 is 25~30 DEG C of design temperature；The start speed heat procedure of operating mode of the water heater is：Switching three-way valve (6), makes refrigerant flow direction evaporator (4) all the way, i.e., High-temperature high-pressure refrigerant after being compressed by compressor (1) first passes through evaporator (4) and provides certain heat, slows down temperature relatively low The cooling rate of waste water, prevents evaporator from freezing, and influences reliability；Subsequent refrigerant returns to triple valve (6) outlet, enters back into cold Condenser (2) heating is supplied water and forms Low Temperature Liquid, by the heat entered during evaporator (4) absorbs waste water after expansion valve (3) throttling, Eventually pass back to compressor (1)；The steady running condition flow of the water heater is：Switching three-way valve (6) makes refrigerant flow direction condenser (2) all the way, Wherein heating is supplied water and forms Low Temperature Liquid, by entering the heat in evaporator (4) absorption waste water after expansion valve (3) throttling, most After return to compressor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014129.1A CN106839425A (en) | 2017-01-10 | 2017-01-10 | One kind bypass double loop fast heating type waste water source heat pump water heater and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014129.1A CN106839425A (en) | 2017-01-10 | 2017-01-10 | One kind bypass double loop fast heating type waste water source heat pump water heater and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106839425A true CN106839425A (en) | 2017-06-13 |
Family
ID=59118217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710014129.1A Pending CN106839425A (en) | 2017-01-10 | 2017-01-10 | One kind bypass double loop fast heating type waste water source heat pump water heater and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839425A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843039A (en) * | 2017-12-18 | 2018-03-27 | 罗良宜 | One kind energy-conservation dynamic plate ice heat pump |
| CN109682067A (en) * | 2017-10-19 | 2019-04-26 | 艾欧史密斯(中国)热水器有限公司 | Waste heat recycling system and its control method |
| CN111854117A (en) * | 2020-07-30 | 2020-10-30 | 广东美的暖通设备有限公司 | Anti-icing control method and device of humidifier and air conditioning equipment |
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| US20070137228A1 (en) * | 2005-09-28 | 2007-06-21 | Gang Li | Heat pump system having a defrost mechanism for low ambient air temperature operation |
| CN201277708Y (en) * | 2008-07-28 | 2009-07-22 | 吴平 | Frostless air source water heater |
| CN202101331U (en) * | 2011-03-24 | 2012-01-04 | 湖南博源能源管理有限公司 | Heat pump water-heating system using central air-conditioner cooling water and low-temperature flue gas afterheat |
| CN102721174A (en) * | 2012-06-14 | 2012-10-10 | 华南理工大学 | Household variable-capacitance stepless regulation instant heat-pump water heater |
| CN102853540A (en) * | 2011-06-28 | 2013-01-02 | 广州科力新能源有限公司 | Instant-heating heat recovery heat pump water heater for bathrooms |
| EP2990737A1 (en) * | 2013-04-26 | 2016-03-02 | Toshiba Carrier Corporation | Hot-water supply device |
-
2017
- 2017-01-10 CN CN201710014129.1A patent/CN106839425A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070137228A1 (en) * | 2005-09-28 | 2007-06-21 | Gang Li | Heat pump system having a defrost mechanism for low ambient air temperature operation |
| CN201277708Y (en) * | 2008-07-28 | 2009-07-22 | 吴平 | Frostless air source water heater |
| CN202101331U (en) * | 2011-03-24 | 2012-01-04 | 湖南博源能源管理有限公司 | Heat pump water-heating system using central air-conditioner cooling water and low-temperature flue gas afterheat |
| CN102853540A (en) * | 2011-06-28 | 2013-01-02 | 广州科力新能源有限公司 | Instant-heating heat recovery heat pump water heater for bathrooms |
| CN102721174A (en) * | 2012-06-14 | 2012-10-10 | 华南理工大学 | Household variable-capacitance stepless regulation instant heat-pump water heater |
| EP2990737A1 (en) * | 2013-04-26 | 2016-03-02 | Toshiba Carrier Corporation | Hot-water supply device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682067A (en) * | 2017-10-19 | 2019-04-26 | 艾欧史密斯(中国)热水器有限公司 | Waste heat recycling system and its control method |
| CN107843039A (en) * | 2017-12-18 | 2018-03-27 | 罗良宜 | One kind energy-conservation dynamic plate ice heat pump |
| CN111854117A (en) * | 2020-07-30 | 2020-10-30 | 广东美的暖通设备有限公司 | Anti-icing control method and device of humidifier and air conditioning equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |