CN104697242A - Waste heat recovery heat pump system for bathroom - Google Patents
Waste heat recovery heat pump system for bathroom Download PDFInfo
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- CN104697242A CN104697242A CN201410777150.3A CN201410777150A CN104697242A CN 104697242 A CN104697242 A CN 104697242A CN 201410777150 A CN201410777150 A CN 201410777150A CN 104697242 A CN104697242 A CN 104697242A
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- waste water
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- bathroom
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- 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
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- 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
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- 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
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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
The invention discloses a waste heat recovery heat pump system for a bathroom. A waste water box is connected with a bathing waste water collection pipe; a waste water treating layer and a heat recovery layer are arranged in the waste water box; an evaporation coil is arranged in the heat recovery layer; a liquid refrigerant is contained in the evaporation coil; one end of the evaporation coil is sequentially connected with an air cooling heat exchanger and a compressor through a thermal-insulation pipeline; the compressor is connected with one end of a condensing coil through an oil separator, and the condensing coil is arranged in a hot water box; high-temperature and high-pressure refrigerant gas enters the condensing coil, and the condensing coil heats tap water in the hot water box for use during bathing; the other end of the condensing coil is connected with a liquid storage device, and the liquid storage device is communicated with the other end of the evaporation coil through a pipeline for refrigeration of the evaporation coil. The waste heat recovery heat pump system for the bathroom has the benefits of capability of recycling heat in hot water in the public bathroom and saving resources.
Description
Technical field
The invention belongs to energy recovery technical field, relate to a kind of bathroom heat pump of recovering residual heat system.
Background technology
Current many bathing places have the advantages that water supply time is fixed, large by discharge, temperature at discharging condensate is stablized, use coolant-temperature gage moderate.If heat pump techniques can be utilized to reclaim the waste heat in draining, and be used by the heat of recovery, efficient energy-conservation recovery income will be brought; In addition, can also institute's sewer be carried out purified treatment and is used while recovery heat, a large amount of water resources can be saved.The energy consumption of whole device is only institute's consuming electric power of compressor operating, and energy consumption can be incorporated in recovery heat energy equally for other heating and refrigerating equipment.This device can give full play to the low-quality energy in waste heat, is each large bathing place energy-saving consumption, saves a large amount of resources.
The heat pump heat recovery technology that this device adopts, in theory after strict computation and analysis, has tentatively affirmed the feasibility of design.And pass through preliminary experiment in early stage etc., demonstrate correctness and the feature of environmental protection of design concept further.By before to the investigation of several college bathroom and bath center water, drainage situation, and to the corresponding Thermodynamic Calculation that investigational data carries out, group has made waste heat recovery plan and scheme, be intended to research and design and go out novel environmental protecting device, and can be applied in college bathroom and bath center water drainage-supply system.And Fruits popularize is applied in how concrete electrical equipment.This device can not only bring huge environmental protection and economy benefit to society, more can reduce a large amount of dust and the discharge of carbon dioxide, for tremendous contribution is made in Resources for construction economizing type, Environment-friendly city.
In life, the small-sized heating and refrigerating equipment such as water dispenser air-conditioning use electric energy all completely, the environmental protecting device utilizing the thermal energy recycling reclaimed also is there is not in consumption market, this device greatly can control the loss of electric energy, the utilization of the low-quality energy is maximized, by the regenerative apparatus miniatures that early stage makes, technical elements substantially can entire run.Calculate through strict, embody the advantage of our design in following several respects.1. economy: annual bath wastewater recuperation of heat at least can economize on the use of funds 5,065 ten thousand yuan.2. energy-saving and emission-reduction: annual bathing natural gas at least can reduce fume emission 2.13 billion cubic meter.Wherein, every year can at least reducing emission of carbon dioxide 1819.5 ten thousand stere.The flow of the people of Shanghai University and bath center is much larger than preset value, and a large amount of natural gas that uses is with the equipment of outer fuel, thus its considerable economy and energy-saving and emission-reduction potentiality to be excavated.This project we need to investigate the power consumption of more heating equipment, our a whole set of energy-saving heat regenerative utilizes system to carry out clearer and more definite achievements conversion and perfect by principle of heating and usage quantity, the scope of application.
Summary of the invention
The object of the present invention is to provide a kind of bathroom heat pump of recovering residual heat system, the heat solving hot water in current bathhouse can not be recycled, the problem of waste resource.
The technical solution adopted in the present invention comprises waste water tank, waste water tank connects the wastewater collection pipe of having a bath, the waste water of bath with certain heat is collected by waste water of bath collecting pipe, wastewater treatment layer is provided with in waste water tank, corresponding treating apparatus can be arranged in wastewater treatment layer process the waste water collected, waste water after process enters heat recovery layer, evaporation coil is provided with in heat recovery layer, the in-built promising liquid refrigerant of evaporation coil, evaporation coil one end connects air cooling heat exchanger and compressor successively by utilidor, liquid refrigerant absorbs the heat in waste water and is evaporated to refrigerant vapour, air cooling heat exchanger is entered by utilidor, the refrigerant vapour becoming low-temp low-pressure enters compressor, compressor connects one end of condenser coil by oil eliminator, condenser coil is arranged in boiler, boiler is built with external running water, the refrigerant vapour of low-temp low-pressure is discharged the refrigerant gas of HTHP after compressor compresses, the lubricating oil separation that compressor uses to be gone out by oil eliminator and leads back in compressor by the refrigerant gas of HTHP, the refrigerant gas of HTHP enters condenser coil, condenser coil by the tap water heating in boiler for shower, the condenser coil other end connects reservoir, the refrigerant gas of HTHP is condensed and enters in reservoir in condenser coil, reservoir is communicated with the evaporation coil other end by pipeline, for evaporation coil provides cold-producing medium.
Further, between described evaporation coil and described air cooling heat exchanger, be provided with stop valve and magnetic valve, for opening and closing air cooling heat exchanger.
Further, pipeline between described reservoir and described evaporation coil is provided with expansion valve, expansion valve makes the liquid refrigerant of middle temperature high pressure be become the moist steam of low-temp low-pressure by its throttling, then cold-producing medium absorbs heat and reaches refrigeration in waste water tank, expansion valve carrys out by-pass valve control flow by the degree of superheat change of evaporation coil end, prevents the underutilization of evaporation coil area and engine knock phenomenon.
Further, described waste water tank and described boiler are connected to temperature controller, are used for collecting temperature, control compressor horsepower thus control water temperature according to temperature.
Further, the pipeline of described compressor is provided with pressure controller, Stress control is carried out to the gas entering compressor.
Further, described wastewater treatment layer is establish sewage filter net in wastewater treatment layer to the device that waste water processes, and is provided with sewage water filtration cotton below sewage filter net.
Further, described compressor is totally-enclosed compressor, and heating capacity is not more than 2kW, and compressor horsepower is about 1kW; Described reservoir is freon reservoir; Described cold-producing medium model is R134a cold-producing medium.
Further, described waste water tank and described boiler inside are all provided with current-sharing baffler, make water in water tank present thermal stratification.
The invention has the beneficial effects as follows can to the heat recovery and utilization of hot water in bathhouse, saving resource.
Accompanying drawing explanation
Fig. 1 is a kind of bathroom of the present invention heat pump of recovering residual heat system architecture schematic diagram.
In figure, 1. waste water tank, 2. wastewater collection pipe, 3. evaporation coil, 4. stop valve, 5. air cooling heat exchanger, 6. compressor, 7. oil eliminator, 8. boiler, 9. reservoir, 10. expansion valve, 11. temperature controllers, 12. pressure controllers, 13. magnetic valves, 101. wastewater treatment layers, 102. heat recovery layers, 801. condenser coils.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of bathroom of the present invention heat pump of recovering residual heat system as shown in Figure 1, comprise waste water tank 1, waste water tank 1 connects the wastewater collection pipe 2 of having a bath, the waste water of bath with certain heat is collected by waste water of bath collecting pipe 2, wastewater treatment layer 101 is provided with in waste water tank 1, corresponding treating apparatus can be arranged in wastewater treatment layer 101 process the waste water collected, waste water after process enters heat recovery layer 102, evaporation coil 3 is provided with in heat recovery layer 102, the in-built promising liquid refrigerant of evaporation coil 3, evaporation coil 3 one end connects air cooling heat exchanger 5 and compressor 6 successively by utilidor, liquid refrigerant absorbs the heat in waste water and is evaporated to refrigerant vapour, air cooling heat exchanger 5 is entered by utilidor, the refrigerant vapour becoming low-temp low-pressure enters compressor 6, compressor 6 connects one end of condenser coil 801 by oil eliminator 7, condenser coil 801 is arranged in boiler 8, boiler 8 is built with external running water, the refrigerant vapour of low-temp low-pressure is compressed the refrigerant gas of rear discharge HTHP by compressor 6, the lubricating oil separation that compressor 6 uses to be gone out by oil eliminator 7 and leads back in compressor 6 by the refrigerant gas of HTHP, the refrigerant gas of HTHP enters condenser coil 801, condenser coil 801 by the tap water heating in boiler 8 for shower, condenser coil 801 other end connects reservoir 9, the refrigerant gas of HTHP is condensed and enters in reservoir 9 in condenser coil 801, reservoir 9 is communicated with evaporation coil 3 other end by pipeline, for evaporation coil 3 provides cold-producing medium, the recycle heat of such formation bathroom hot water utilizes process.
Stop valve 4 and magnetic valve 13 is provided with, for opening and closing air cooling heat exchanger 5 between evaporation coil 3 and air cooling heat exchanger 5.Pipeline between reservoir 9 and evaporation coil 3 is provided with expansion valve 10, expansion valve 10 makes the liquid refrigerant of middle temperature high pressure be become the moist steam of low-temp low-pressure by its throttling, then cold-producing medium absorbs heat and reaches refrigeration in waste water tank 1, expansion valve 10 carrys out by-pass valve control flow by the degree of superheat change of evaporation coil 3 end, prevents the underutilization of evaporation coil 3 area and engine knock phenomenon.Waste water tank 1 and boiler 8 are connected to temperature controller 11, are used for collecting temperature, control compressor 6 power thus control water temperature according to temperature.The pipeline of compressor 6 is provided with pressure controller 12, Stress control is carried out to the gas entering compressor 6.The device that described wastewater treatment layer 101 pairs of waste water process establishes sewage filter net in wastewater treatment layer 101, is provided with sewage water filtration cotton below sewage filter net.Described compressor 6 is totally-enclosed compressor, and heating capacity is not more than 2kW, and compressor 6 power is about 1kW; Described reservoir 9 is freon reservoir; Described cold-producing medium model is R134a cold-producing medium; Waste water tank 1 and boiler 8 inside are all provided with current-sharing baffler, make water in water tank present thermal stratification.Water in boiler 8 is through refrigerant heat to 50 DEG C, and the wastewater temperature after user's bathing is complete is 30 DEG C, and when waste water is discharged, temperature is 15 DEG C, and the temperature difference heat of 15 DEG C has just passed to cold-producing medium.
The present invention is by the Btu utilization of waste water after after a bath, and heating cold water, with economize energy.The operation logic of system be user after a bath after waste water be discharged into waste water tank 1, pretreatment is carried out before entering waste water tank 1, process heat loss is little, evaporation coil 3 is placed with in waste water tank 1, be liquid refrigerant in evaporation coil 3, evaporation absorbs the heat in waste water, then compressor 6 is passed to by utilidor, compressor 6 is added the liquid being pressed into HTHP, then cold-producing medium is by boiler 8, the heat of the waste water absorbed is passed to the cold water that will heat, then reservoir 9 is entered after condensation, expansion valve 10 step-down makes it become the liquid of high-temperature low-pressure, again enter evaporation endothermic in the evaporation coil 3 of waste water tank 1, so recycle.Hot water in waste water tank 1 carries out pretreatment at wastewater treatment layer 101 in advance, avoids accumulation of mud on evaporation coil 3, affects heat transmission effect, and after wastewater temperature declines, we are by secondary waste water utilizing.
Apparatus of the present invention, reclaim used heat when waste water heat is enough, and system is high with comparatively high evaporation temperature (5 DEG C) operation, efficiency; When waste water shortage of heat, the heated fan of air cooling heat exchanger 5 also comes into operation, and makes up the deficiency of heating capacity, but now system evaporating temperature reduction (1 DEG C), heating efficiency decrease.Present system adopts R134a cold-producing medium, and compressor 6 is totally-enclosed compressor, and heating capacity is not more than 2kW (evaporating temperature 1 ~ 5/ condensation temperature 55 DEG C), and compressor 6 power is about 1kW.Reservoir 9 is freon reservoir, and the object arranging freon reservoir 9 is in order to avoid cold-producing medium during unit operation fluctuation of operating conditions accumulates nowhere, and causing cold-producing medium to accumulate in condenser coil 801 affects heating effect.
After tested, apparatus of the present invention can be prepared 50 DEG C of (5 DEG C to 50 DEG C) following hot water be about 20L half an hour.During first use, utilize without waste water of bath, be then prepared bathing water according to the pattern of heated fan; When there being waste water of bath, native system mainly reclaims waste water of bath heat, preparation bathing water; When waste water of bath temperature is on the low side, when reclaiming shortage of heat, starts wind-cooled evaporator blower fan, now reclaim waste water of bath heat and atmospheric heat simultaneously, to guarantee enough heating capacities, ensure the supply of bathing water.
Two water tanks are all provided with current-sharing baffler, effect makes water in water tank present thermal stratification, for the supply tank instant heating water tank 8 of water for bathing, as far as possible main purpose reduces the cold water supplemented to mix with hot water in water tank, reduce because moisturizing is on the impact of hot water supply water temperature, improve the comfortableness of user; For waste water tank 1, the object arranging baffler is directly discharged without recuperation of heat to reduce waste water of bath, improves the efficiency of utilization of waste water.
The present invention be advantageous in that: realize energy expansion, reach the effect expanding energy.Two water tanks are all provided with current-sharing baffler, make water in water tank present thermal stratification, improve heat exchange efficiency; Also can carry out sewerage disposing to waste water in the project later stage, thus realize recycling.
The present invention will be described to enumerate specific embodiment below:
Embodiment 1: apparatus of the present invention form, and choose the cold-producing medium of R134a as model of relative environmental protection safety, its evaporating temperature and condensation temperature all meet heat transfer requirements, and PM prototype model performance parameter is listed in shown in following table 1.
Table 1
One, the compressor that power is 1 chosen by compressor 6, and refrigerating capacity is 2.5kW, and all the other parameters are in table 2.
Table 2
Expansion valve 10 of the present invention is chosen and is determined according to evaporator capacity, two ends pressure reduction, and its declared working condition is 1.2 times of its applying working condition, and all the other parameters of expansion valve are in table 3.
Table 3
The performance parameter of evaporation coil 3 and condenser coil 801 is as shown in table 4.
Table 4
In normal conditions, heat 1 ton of water and make it temperature rise 15 DEG C, use electric boiler to need cost 11.61 yuan, use oil burning boiler to need cost 15.15 yuan, use gas fired-boiler to need cost 4.43 yuan.If but use heat pump, only need 3.96 yuan, heat water per ton (temperature rise 15 DEG C) compared to electric boiler, oil burning boiler and gas fired-boiler and can save 7.65 yuan, 11.19 yuan and 0.47 yuan respectively.Meanwhile, if treatment for reuse can also be carried out to a large amount of drainings, it can be again a large amount of water resource of our earth saving.Utilize heat pump to heat energy needed for bath water and be only the energy for its compressor operating, and these energy can be converted into interior energy at work too, absorb for bath water.This design can improve the efficiency of heating surface of bath water widely, improves the service efficiency of the energy, thus reduces operating cost in a large number.
For school bathroom: use the heat in heat pump techniques recovery waste water, then every every day can using electricity wisely 0.79kWh for each person.District of Shanghai commercial power, by 0.630 yuan/kWh, if be so used in by this equipment in the school of 10000 people, can be saved electricity 7900 degree every day, can save 4977 yuan.If heat above-mentioned heat with oil-fired water-boiler, then need to expend diesel oil 0.087L, cost is 0.69 yuan; If heat above-mentioned heat with oil-fired steam boiler, then need to expend diesel oil 0.090L, cost is 0.71 yuan; If be used in by this equipment in the school of 10000 people, then can save diesel oil 870L and 900L respectively every day, can cut down expenses 6881.7 yuan and 7119 yuan.If use the heat in heat pump techniques recovery waste water, then often 0.084m can be saved every day for each person
3natural gas.If be used in by this equipment in the school of 10000 people, every day can save natural gas 840m
3, 2100 yuan can be saved.
For popular bathroom: produce equivalent heat with electric boiler heating, then need expend electricity every day is that 460.5kWh still calculates by 0.630 yuan/kWh, then can save 290.1 yuan/day with this equipment.If produce equivalent heat with oil burning boiler heating, then two kinds of equipment need expend diesel oil be on average about 47.88L every day, calculate, then can save 378.73 yuan/day with this equipment by 7.91 yuan/L.If with gas fired-boiler, then need expend natural gas 44.26m every day
3calculate by 2.5 yuan/m3, need pay 110.65 yuan/day (above calculating in detail please see appendix six)
Calculate with our heat pump micro model machine: in normal conditions, heating 1t water makes it temperature rise 15 DEG C, and compressor power consumption is 7.03kWh, is 4.43 yuan according to the electricity price expense in Shanghai.If come in the school that a number of student is 10000, the expense for bathing can saved every year is at least 101.3 ten thousand yuan, 158.72 ten thousand yuan and 223.47 ten thousand yuan.Table 5 is for distinct device heating equal in quality water is to the power consumption of identical temperature.
Table 5
* note: cost ratio * is take water resource heat pump as radix, the multiple (the detailed computational process of two tables sees appendix seven herein) of the expense of all the other systems radix for this reason
Bathing place water supply time is fixed, large by discharge, temperature at discharging condensate stable and shower moderate temperature, is well suited for carrying out waste heat recovery with heat pump techniques.The recoverable heat of institute is necessarily very large, can bring energy-saving effect; In addition, if treatment for reuse can also be carried out to so a large amount of drainings, great lot of water resources is again saved.Institute's energy requirement for whole heating bath water is only the energy for compressor operating, and these energy can be converted into interior energy equally, and supplying hot water absorbs.This design can improve the service efficiency to energy widely, while the energy-saving and water-saving of each large bath center, for the earth saves ample resources.
The above is only to better embodiment of the present invention, not any pro forma restriction is done to the present invention, every any simple modification, equivalent variations and modification above embodiment done according to technical spirit of the present invention. all belong in the scope of technical solution of the present invention.
Reliability simulation is tested: carried out authenticity simulated test through No.704 Inst. China Ship Heavy Ind Co.'s ship environment engineering and reliability laboratory according to GB/T 18430.17 " cold water (heat pump) unit of steam compression cycle cold water (heat pump) unit industry and commerce and similar applications ", experimental technique: according to the true operational mode of heat pump scheme, waste water tank water temperature is the theoretical value in true environment, environment temperature is room temperature, normal speed according to water velocity and water temperature drop provides waste water, carries out beating heat test internal stability operation test.In the probation report that No.704 Inst. China Ship Heavy Ind Co.'s ship environment engineering and reliability laboratory is provided, play heat test, stable operation test data test performance is as shown in table 6 below plays heat test data test table, table 7 is stable operation test data test chart.
Table 6
Table 7
The probation report that above-mentioned two tables and No.704 Inst. China Ship Heavy Ind Co.'s ship environment engineering and reliability laboratory are provided absolutely proves that heat pump modification scheme environmental-protecting performance is high, reach the standard of country to environment protection energy-saving equipment, there is actual environmental protection effect.
Claims (8)
1. a bathroom heat pump of recovering residual heat system, it is characterized in that: comprise waste water tank (1), waste water tank (1) connects the wastewater collection pipe (2) of having a bath, the waste water of bath with certain heat is collected by waste water of bath collecting pipe (2), wastewater treatment layer (101) is provided with in waste water tank (1), arrange corresponding treating apparatus in wastewater treatment layer (101) to process the waste water collected, waste water after process enters heat recovery layer (102), evaporation coil (3) is provided with in heat recovery layer (102), the in-built promising liquid refrigerant of evaporation coil (3), evaporation coil (3) one end connects air cooling heat exchanger (5) and compressor (6) successively by utilidor, liquid refrigerant absorbs the heat in waste water and is evaporated to refrigerant vapour, air cooling heat exchanger (5) is entered by utilidor, the refrigerant vapour becoming low-temp low-pressure enters compressor (6), compressor (6) connects one end of condenser coil (801) by oil eliminator (7), condenser coil (801) is arranged in boiler (8), boiler (8) is built with external running water, the refrigerant vapour of low-temp low-pressure is discharged the refrigerant gas of HTHP after compressor (6) compression, the lubricating oil separation that compressor (6) uses is gone out by oil eliminator (7) and is led back in compressor (6) by the refrigerant gas of HTHP, the refrigerant gas of HTHP enters condenser coil (801), condenser coil (801) by the tap water heating in boiler (8) for shower, condenser coil (801) other end connects reservoir (9), the refrigerant gas of HTHP is condensed and enters in reservoir (9) in condenser coil (801), reservoir (9) is communicated with evaporation coil (3) other end by pipeline, for evaporation coil (3) provides cold-producing medium.
2. according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: between described evaporation coil (3) and described air cooling heat exchanger (5), be provided with stop valve (4) and magnetic valve (13), for opening and closing air cooling heat exchanger (5).
3. according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: the pipeline between described reservoir (9) and described evaporation coil (3) is provided with expansion valve (10), expansion valve (10) makes the liquid refrigerant of middle temperature high pressure be become the moist steam of low-temp low-pressure by its throttling, then cold-producing medium absorbs heat and reaches refrigeration in waste water tank (1), expansion valve (10) carrys out by-pass valve control flow by the degree of superheat change of evaporation coil (3) end, prevent the underutilization of evaporation coil (3) area and engine knock phenomenon.
4. according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: described waste water tank (1) and described boiler (8) are connected to temperature controller (11), be used for collecting temperature, control compressor (6) power according to temperature thus control water temperature.
5. according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: the pipeline of described compressor (6) is provided with pressure controller (12), Stress control is carried out to the gas entering compressor (6).
6. according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: described wastewater treatment layer (101) is establish sewage filter net in wastewater treatment layer (101) to the device that waste water processes, and is provided with sewage water filtration cotton below sewage filter net.
7., according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: described compressor (6) is totally-enclosed compressor, and heating capacity is not more than 2kW, compressor (6) power is about 1kW; Described reservoir (9) is freon reservoir; Described cold-producing medium model is R134a cold-producing medium.
8. according to a kind of bathroom heat pump of recovering residual heat system described in claim 1, it is characterized in that: described waste water tank (1) and described boiler (8) inside are all provided with current-sharing baffler, make water in water tank present thermal stratification.
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| CN201410777150.3A CN104697242A (en) | 2014-12-17 | 2014-12-17 | Waste heat recovery heat pump system for bathroom |
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| CN201410777150.3A CN104697242A (en) | 2014-12-17 | 2014-12-17 | Waste heat recovery heat pump system for bathroom |
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| CN104697242A true CN104697242A (en) | 2015-06-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642813A (en) * | 2016-12-15 | 2017-05-10 | 北京华誉能源技术股份有限公司 | Self-sufficient sewage source heat pump system |
| CN108131721A (en) * | 2017-12-02 | 2018-06-08 | 刘伟 | A kind of cycle water control system |
| CN110075775A (en) * | 2018-08-22 | 2019-08-02 | 一鸣 | A kind of reaction kettle |
| CN110425735A (en) * | 2019-08-08 | 2019-11-08 | 赵大勇 | A kind of double-source heat pump hot water for shower system |
| CN111076154A (en) * | 2019-12-17 | 2020-04-28 | 中国科学院广州能源研究所 | Heat pump steam engine and phase-change sleeve type heat exchanger for heat pump steam engine |
| CN113154925A (en) * | 2021-03-08 | 2021-07-23 | 珠海格力电器股份有限公司 | Heat recovery device of water heater and control method |
-
2014
- 2014-12-17 CN CN201410777150.3A patent/CN104697242A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642813A (en) * | 2016-12-15 | 2017-05-10 | 北京华誉能源技术股份有限公司 | Self-sufficient sewage source heat pump system |
| CN108131721A (en) * | 2017-12-02 | 2018-06-08 | 刘伟 | A kind of cycle water control system |
| CN110075775A (en) * | 2018-08-22 | 2019-08-02 | 一鸣 | A kind of reaction kettle |
| CN110425735A (en) * | 2019-08-08 | 2019-11-08 | 赵大勇 | A kind of double-source heat pump hot water for shower system |
| CN111076154A (en) * | 2019-12-17 | 2020-04-28 | 中国科学院广州能源研究所 | Heat pump steam engine and phase-change sleeve type heat exchanger for heat pump steam engine |
| CN113154925A (en) * | 2021-03-08 | 2021-07-23 | 珠海格力电器股份有限公司 | Heat recovery device of water heater and control method |
| CN113154925B (en) * | 2021-03-08 | 2022-04-29 | 珠海格力电器股份有限公司 | Heat recovery device of water heater and control method |
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Application publication date: 20150610 |