CN104075442A - Water tank waste water heat recovery heat pump water heater - Google Patents

Water tank waste water heat recovery heat pump water heater Download PDF

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Publication number
CN104075442A
CN104075442A CN201410270238.6A CN201410270238A CN104075442A CN 104075442 A CN104075442 A CN 104075442A CN 201410270238 A CN201410270238 A CN 201410270238A CN 104075442 A CN104075442 A CN 104075442A
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CN
China
Prior art keywords
water
pump
hot water
waste water
heat
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
Application number
CN201410270238.6A
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Chinese (zh)
Inventor
王志毅
任夫磊
朱和和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sci Tech University ZSTU
Zhejiang University of Science and Technology ZUST
Original Assignee
Zhejiang Sci Tech University ZSTU
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Publication date
Application filed by Zhejiang Sci Tech University ZSTU filed Critical Zhejiang Sci Tech University ZSTU
Priority to CN201410270238.6A priority Critical patent/CN104075442A/en
Publication of CN104075442A publication Critical patent/CN104075442A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention discloses a water tank waste water heat recovery heat pump water heater. The water tank waste water heat recovery heat pump water heater comprises a waste water sediment filtering pool, a bathing wastewater tank, a hot water tank, an electric heater, a hot water circulating pump, a constant pressure variable frequency pump, a waste water pump, a regulating valve, an evaporator, a throttle valve, a compressor and a condenser, wherein an inlet of the waste water sediment filtering pool is connected with a bathroom waste water collecting pipeline, and an outlet of the waste water sediment filtering pool is connected with the bathing wastewater tank; the bathing wastewater tank, a waste water pump and the evaporator are sequentially connected through pipelines to form a waste water circulation loop; the hot water tank, the hot water circulating pump, the electric heater and the condenser are sequentially connected through the pipelines to form a hot water producing circulation loop, and a tap water pipeline penetrates the bathing wastewater tank to be connected with a hot water circulation pipeline which is located between the electric heater and the condenser; the evaporator, the compressor, the condenser and the throttle valve are connected through the pipelines to form a closed circulation heat pump device; the hot water tank is connected with the constant pressure variable frequency pump. By means of the water tank waste water heat recovery heat pump water heater, bathroom waste water waste heat can be fully and effectively utilized, the power of the heat pump compressor is reduced, and great energy-saving advantages are achieved.

Description

A kind of water tank waste water recuperation of heat heat pump hot water apparatus
[technical field]
The present invention relates to a kind of water tank waste water recuperation of heat heat pump hot water apparatus.
[background technology]
Current, along with the shortage of the energy, the deterioration of environment, sustainable development has become hot issue, has caused the extensive concern of countries in the world.In China, energy-saving and emission-reduction are important and task urgently as of current socio-economic development, is implement scientific view of development, the inevitable choice that realizes the strategy of sustainable development, has been listed in a fundamental state policy of China.At present, the heat-supplying mode of China mainly contains several conventional heating modes such as fire coal, fuel oil, combustion gas, electrical heating, solar energy.Along with expanding economy, shortage of resources more and more becomes the major obstacle of restriction social development; Follow scientific and technological progress, the exploitation of environmental protection and energy saving product and application are constantly pursued, adopting the hot water supply product of energy-conserving and environment-protective is current main flows.
People are in life, and the temperature of bath hot water is generally 40-45 DEG C, but in bathing process, only utilized wherein little part energy, and the temperature of waste discharge still has 30-35 DEG C, has not only caused the waste of the energy, also caused the thermal pollution of environment.Therefore, bath wastewater being carried out to recuperation of heat is one power save mode well.Current product has bathroom waste water heat pump techniques, and this technology is utilized shower waste that energy grade the is higher thermal source as heat pump, absorbs after used heat by heat recovering heat exchanger, in heat pump, running water is heated, and makes it reach the temperature of human body shower requirement.
In some bathrooms, (as the college bathroom) open hour are fixed, large by discharge, temperature (shower temperature and temperature at discharging condensate) is stable and the euthermic shower of shower place, although institute's employing bathroom waste water heat pump techniques is energy-conservation more a lot of than other hot water heating modes, does not still have to utilize fully the waste heat in waste water.
Consider the handling characteristics in above-mentioned bathroom and in line with the principle of utilizing to greatest extent bathroom waste water residual heat, need a kind of solution that can utilize to greatest extent bathroom waste water residual heat
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of water tank waste water recuperation of heat heat pump hot water apparatus is proposed, can either fully effectively utilize bathroom waste water residual heat, can reduce again power, the minimizing power consumption of heat pump compressor, there is very large power savings advantages.
For achieving the above object, the present invention proposes a kind of water tank waste water recuperation of heat heat pump hot water apparatus, comprise wastewater sedimentation filtering ponds, bath wastewater case, boiler, electric heater, hot water circulating pump, constant pressure frequency conversion pump, waste water pump, control valve, evaporimeter, choke valve, compressor and condenser.The import of described wastewater sedimentation filtering ponds is connected with bathroom wastewater collection pipeline, and outlet is connected to bath wastewater case; Bath wastewater case, waste water pump, evaporimeter connect and compose waste water circulation loop successively by pipeline; Pipeline connects successively boiler, hot water circulating pump, electric heater, condenser and has formed hot water and produced closed circuit, water supply pipe is provided with control valve, and water supply pipe is connected on the hot water circulating pipeline electric heater and condenser after bath wastewater case; Evaporimeter, compressor, condenser, choke valve connect by pipeline, form closed cycle heat pump assembly; On boiler, be connected to constant pressure frequency conversion pump and provide hot water for bathroom.
Further, described bath wastewater case and boiler will be provided with heat-insulation layer water tank is incubated, and reduce thermal loss.
Further, the volume of described bath wastewater case is suitable with the volume of boiler, so that bath wastewater case can hold collected waste water after bathing completely.
Further, the running water pipe in described bath wastewater case becomes U-shaped coiled tube arrangements, ensures the abundant preheating of running water in bath wastewater case.
Further, being connected to bathroom with boiler provides the water pump of hot water to select constant pressure frequency conversion pump, stable hot water is provided in so that better energy-conservation.
Beneficial effect of the present invention: the present invention can effectively utilize the waste heat in waste water to heat hot water within the time beyond bathing, and waste water can, first to running water preheating, be re-used as evaporimeter thermal source and recycle; Due to the long operational time of heat pump assembly, the power that therefore heat pump main frame consumes can be very little, effectively reduces energy consumption; Fully ensure bath hot water supply.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[brief description of the drawings]
Fig. 1 is the structural representation of a kind of water tank waste water of the present invention recuperation of heat heat pump hot water apparatus.
In figure: 1-wastewater sedimentation filtering ponds, 2-bath wastewater case, 3-boiler, 4-electric heater,
5-hot water circulating pump, 6-constant pressure frequency conversion pump, 7-waste water pump, 8-control valve, 9-evaporimeter,
10-choke valve, 11-compressor, 12-condenser.
[detailed description of the invention]
Consult Fig. 1, a kind of water tank waste water of the present invention recuperation of heat heat pump hot water apparatus, comprises wastewater sedimentation filtering ponds 1, bath wastewater case 2, boiler 3, electric heater 4, hot water circulating pump 5, constant pressure frequency conversion pump 6, waste water pump 7, control valve 8, evaporimeter 9, choke valve 10, compressor 11 and condenser 12.The import of described wastewater sedimentation filtering ponds 1 is connected with bathroom wastewater collection pipeline, and outlet is connected to bath wastewater case 2; Bath wastewater case 2, waste water pump 7, evaporimeter 9 connect and compose waste water circulation loop successively by pipeline; Pipeline connects successively boiler 3, hot water circulating pump 5, electric heater 4, condenser 12 and has formed hot water and produced closed circuit, water supply pipe is provided with control valve 8, and water supply pipe is connected on the hot water circulating pipeline electric heater 4 and condenser 12 after bath wastewater case 2; Evaporimeter 9, compressor 11, condenser 12, choke valve 10 connect by pipeline, form closed cycle heat pump assembly; On boiler 3, be connected to constant pressure frequency conversion pump 6 and provide hot water for bathroom.
Bath wastewater case 2 will be provided with heat-insulation layer with boiler 3 water tank is incubated, and reduces thermal loss.
The volume of bath wastewater case 2 is suitable with the volume of boiler 3, so that bath wastewater case 2 can hold collected waste water after bathing completely.
Running water pipe in bath wastewater case 2 becomes U-shaped coiled tube arrangements, ensures the abundant preheating of running water in bath wastewater case 2.
Being connected to bathroom with boiler 3 provides the water pump of hot water to select constant pressure frequency conversion pump 6, stable hot water is provided in so that better energy-conservation.
While operation first, adopt other thermals source (as gas fired-boiler) to carry out heat hot water, fill and be stored in boiler 3, now, other equipment all do not move; In the time of the bathing time, open constant pressure frequency conversion pump 6, the hot water in boiler 3 to be sent into bathroom hot water is provided, the waste water after bathing, after waste water sedimentation filtering ponds 1 filter, flows in bath wastewater case 2 and collects; After the bathing time, close constant pressure frequency conversion pump 6, stop bathroom hot water supply, open control valve 8, running water bath wastewater case 2 heat exchange of flowing through, inject boiler 3 after absorbing waste water heat, after boiler 3 fills, close control valve 8; Open heat pump assembly, the water in boiler 3 is heated.On the one hand, water in boiler 3 enters condenser 12 under the effect of hot water circulating pump 5, the heat release of absorptive condenser 12, and after water heating, circulation enters boiler 3, for ensureing that hot water temperature reaches requirement, between hot water circulating pump 5 and condenser 12, be provided with electric heater 4; On the other hand, waste water enters evaporimeter 9 under the effect of waste water pump 7, after evaporimeter 9 absorbs its heat, is recycled to heat release in condenser 12, and the waste water recirculation of flowing out from evaporimeter 9 is got back to bath wastewater case 2.Device is by the continuous reciprocation cycle operation of this flow process.
After the water temperature in boiler 3 reaches bathing and requires, heat pump assembly is out of service, now the waste water in bath wastewater case 2 is discharged.
The present invention can effectively utilize the waste heat in waste water to heat hot water within the time beyond bathing, and waste water can, first to running water preheating, be re-used as evaporimeter thermal source and recycle; Due to the long operational time of heat pump assembly, the power that therefore heat pump main frame consumes can be very little, effectively reduces energy consumption; Fully ensure bath hot water supply
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.

Claims (5)

1. a water tank waste water recuperation of heat heat pump hot water apparatus, is characterized in that: comprise wastewater sedimentation filtering ponds (1), bath wastewater case (2), boiler (3), electric heater (4), hot water circulating pump (5), constant pressure frequency conversion pump (6), waste water pump (7), control valve (8), evaporimeter (9), choke valve (10), compressor (11) and condenser (12).The import of described wastewater sedimentation filtering ponds (1) is connected with bathroom wastewater collection pipeline, and outlet is connected to bath wastewater case (2); Bath wastewater case (2), waste water pump (7), evaporimeter (9) connect and compose waste water circulation loop successively by pipeline; Pipeline connects successively boiler (3), hot water circulating pump (5), electric heater (4), condenser (12) and has formed hot water and produced closed circuit, water supply pipe is provided with control valve (8), and water supply pipe is connected on the hot water circulating pipeline electric heater (4) and condenser (12) after bath wastewater case (2); Evaporimeter (9), compressor (11), condenser (12), choke valve (10) connect by pipeline, form closed cycle heat pump assembly; On boiler (3), be connected to constant pressure frequency conversion pump (6) and provide hot water for bathroom.
2. a kind of water tank waste water recuperation of heat heat pump hot water apparatus as claimed in claim 1, is characterized in that: described bath wastewater case (2) will be provided with heat-insulation layer with boiler (3) water tank is incubated.
3. a kind of water tank waste water recuperation of heat heat pump hot water apparatus as claimed in claim 1, is characterized in that: the volume of described bath wastewater case (2) is suitable with the volume of boiler (3).
4. a kind of water tank waste water recuperation of heat heat pump hot water apparatus as claimed in claim 1, is characterized in that: the running water pipe in described bath wastewater case (2) becomes U-shaped coiled tube arrangements.
5. a kind of water tank waste water recuperation of heat heat pump hot water apparatus as described in any one in claim 1 to 4, is characterized in that: described and boiler (3) is connected to bathroom provides the water pump of hot water to select constant pressure frequency conversion pump (6).
CN201410270238.6A 2014-06-17 2014-06-17 Water tank waste water heat recovery heat pump water heater Pending CN104075442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410270238.6A CN104075442A (en) 2014-06-17 2014-06-17 Water tank waste water heat recovery heat pump water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410270238.6A CN104075442A (en) 2014-06-17 2014-06-17 Water tank waste water heat recovery heat pump water heater

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091774A (en) * 2016-06-16 2016-11-09 安庆市宇控电子科技有限公司 One way of life thermal source reuse means
CN109405347A (en) * 2018-12-05 2019-03-01 江苏天舒电器有限公司 A kind of bathroom utilizes control system for heat pump and control method with Multi-stage heat
CN110500822A (en) * 2019-07-15 2019-11-26 青岛海尔空调器有限总公司 The control method of transducer air conditioning

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2924427Y (en) * 2006-04-04 2007-07-18 韩金山 Bathing pool heat recovering and heating device
CN2926914Y (en) * 2006-05-31 2007-07-25 美的集团有限公司 Hot-pump water heater with waste-heat recovery
CN202452762U (en) * 2011-12-09 2012-09-26 北京劳动保障职业学院 Heat-pump-type bath waste water residue heat recycling system
CN103196225A (en) * 2013-04-22 2013-07-10 湘潭市宇恒电器科技有限公司 Waste heat recovery device with water-source heat pump
CN203605464U (en) * 2013-11-26 2014-05-21 东莞市康源节能科技有限公司 Circulation type heat pump device and hair washing chair

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2924427Y (en) * 2006-04-04 2007-07-18 韩金山 Bathing pool heat recovering and heating device
CN2926914Y (en) * 2006-05-31 2007-07-25 美的集团有限公司 Hot-pump water heater with waste-heat recovery
CN202452762U (en) * 2011-12-09 2012-09-26 北京劳动保障职业学院 Heat-pump-type bath waste water residue heat recycling system
CN103196225A (en) * 2013-04-22 2013-07-10 湘潭市宇恒电器科技有限公司 Waste heat recovery device with water-source heat pump
CN203605464U (en) * 2013-11-26 2014-05-21 东莞市康源节能科技有限公司 Circulation type heat pump device and hair washing chair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091774A (en) * 2016-06-16 2016-11-09 安庆市宇控电子科技有限公司 One way of life thermal source reuse means
CN109405347A (en) * 2018-12-05 2019-03-01 江苏天舒电器有限公司 A kind of bathroom utilizes control system for heat pump and control method with Multi-stage heat
CN110500822A (en) * 2019-07-15 2019-11-26 青岛海尔空调器有限总公司 The control method of transducer air conditioning

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Application publication date: 20141001