CN203413712U - Multi-energy water heater for preparing life hot water in large-scale public building - Google Patents
Multi-energy water heater for preparing life hot water in large-scale public building Download PDFInfo
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- CN203413712U CN203413712U CN201320374491.7U CN201320374491U CN203413712U CN 203413712 U CN203413712 U CN 203413712U CN 201320374491 U CN201320374491 U CN 201320374491U CN 203413712 U CN203413712 U CN 203413712U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model relates to a multi-energy water heater for preparing life hot water in a large-scale public building. The device comprises an air source thermal pump set unit, a solar heat collecting unit, an electric water heater unit, a first water tank and a second water tank large than the first water tank in volume; the first water tank and the second water tank are respectively connected with a water returning pipeline of the air source thermal pump set unit; a water inlet pipeline of the air source thermal pump set unit is connected with a water feeding pipe and is connected with the first and second water tanks by a heating circulation pump unit; the electric water heater unit is arranged on the water returning pipeline of the air source thermal pump set unit; a water inlet pipeline of the solar heat collecting unit is connected with the water feeding pipeline and is connected with the second water tank by the heating pump circulating unit; the water returning pipeline of the solar heat collecting unit is connected to the second water tank; the first water tank is connected with the second water tank by the heating pump circulating unit; the second water tank is connected with a hot water returning pipe and a hot water supplying pipe. The multi-energy water heater for preparing life hot water in the large-scale public building can overcome the defects of a single water heating system and can prepare high-quality life hot water with stable temperature.
Description
Technical field
The utility model relate to a kind of in large-scale Gongjian centralized system for domestic hot-water's multi-energy water heating device.
Background technology
Under the support of national energy-saving environmental protection policy, the fast development of nearly 20 years of solar water heating system process, technology is ripe day by day, becomes gradually the preference of concentrating hot-water heating system design.The sharpest edges of solar water heating system are: except the power consumption of circulating pump, need hardly to consume conventional energy resource in preparing hot water process; Its major defect is: solar energy belongs to unstable Lowlevel thermal energy, system Thermogenesis with temperature and sunshine situation fluctuate, heat collector installs and to be subject to site condition restriction, system night can not heat production etc.; When running into the larger large-scale Gongjian (particularly skyscraper) of hot water demand amount, often cannot arrange the heat collector of the enough areas that match with hot water aquifer yield, thereby solar energy cannot be under this occasion as unique energy and independent use.
Air source heat pump is another energy-saving environmental protection device of recent years fast development; When inputting the electric energy of 1KW, just can by contrary Carnot cycle principle, from Lowlevel thermal energy-air heat energy, absorb the heat energy of 2～4KW, the Energy Efficiency Ratio of air source heat pump system is about 1:3.Air source heat pump hot water system advantage is: unit floor space is less, and modularized design is installed, and system forms simple, and job stability and heat production efficiency are all significantly higher than solar water heating system, and system can work double tides etc.Its major defect is: in the time of heat production, need to consume part electric energy; Most product temperature narrow application range, under low temperature environment, heat production decrease in efficiency is more obvious especially; For this reason, part air source heat pump product carries electric heater, under low temperature environment, for improving water temperature, makes up the ability decay under Unit Low environment.
Domestic common air source heat pump product generally adopts R22Huo Fu Lyons, fluorine Lyons R134a as cold-producing medium, 45～55 ℃ of unit leaving water temperatures, and high energy efficiency ratio approaches 1:3; Unit working range is-7 ℃～43 ℃; When environment temperature is down to 0 ℃, Energy Efficiency Ratio is down to and is approached 1:2.
And filled the source pump of environmental protection refrigerant R417A, and 50～60 ℃ of unit leaving water temperatures, high energy efficiency ratio approaches 1:4; Unit working range is-15 ℃～45 ℃; When environment temperature is down to-10 ℃, Energy Efficiency Ratio is down to and is approached 1:2.5.
At present on air source heat pump market, also occurred a kind of source pump that carbon dioxide is cold-producing medium that fills, the high energy of unit leaving water temperature reaches 95 ℃, and high energy efficiency ratio approaches 1:4; Unit working range is-20 ℃～40 ℃; When environment temperature is down to-10 ℃, Energy Efficiency Ratio is down to and is approached 1:3; Because product price is higher, in application, be under some influence at present.
Commercial electric water heater is the electric heater strengthening than domestic, electric water heater power, mostly is import or individual proprietorship product; The advantage of such water heater is to use safe and convenient, possesses multiple automatic protection functions, can measure against electrical leakage, dry combustion method, the potential safety hazard such as overheated; Its shortcoming is that power consumption is excessive.
No matter adopt separately air source heat pump system, solar water heating system or adopt commercial electric water heater, all having certain defect, can not meet that centralized system is for the high-quality domestic hot-water's of water temperature stability requirement in large-scale Gongjian, energy-saving effect is also outstanding.
Utility model content
The purpose of this utility model is to provide a kind of can meet in large-scale Gongjian centralized system for the high-quality domestic hot-water of water temperature stability, the multi-energy water heating device that environmental protection and energy-saving effect are outstanding.
For achieving the above object, the utility model adopts following technical scheme:
In large-scale Gongjian, centralized system, for domestic hot-water's a multi-energy water heating device, comprises that net for air-source heat pump units unit, solar energy heating unit, electric heater unit, heat cycles pump unit and the first water tank, volume are greater than the second water tank of described the first water tank; Described the first water tank, the second water tank connect respectively the water return pipeline of described net for air-source heat pump units unit, and the inlet pipeline of described net for air-source heat pump units unit connects feed pipe and connects described the first water tank and the second water tank by heat cycles pump unit; Described electric heater unit is located on the water return pipeline of net for air-source heat pump units unit; The inlet pipeline of described solar energy heating unit connects described feed pipe and connects described the second water tank through described heat cycles pump unit, and the water return pipeline of described solar energy heating unit is received described the second water tank; Described the first water tank connects described the second water tank by described heat cycles pump unit; Described the second water tank also connects hot water return pipe and hot water feeding pipe, and described hot water feeding pipe is provided with hot water variable frequency pump unit.
Described in large-scale Gongjian centralized system for domestic hot-water's multi-energy water heating device, comprise ozonization plant, for the hot water in described the second water tank, carry out disinfection; Described ozonization plant comprises ozone generator, the ejector being connected with described ozone generator; Described ejector one end connects described hot water feeding pipe, the ozonizer of ozone generator described in another termination, and the end of described ozonizer is provided with the aerator that is positioned at described the second water tank bottom.
Connecting line between described heat cycles pump unit and the inlet pipeline of described solar energy heating unit and net for air-source heat pump units is provided with treatment device for water.
Described treatment device for water comprises whole-course water treatment device and the clean doser of rust deposite.
The utility model has effectively improved the cascade utilization level of solar energy, air heat energy, electric energy, solved the unsettled problem of single water tank hot water system water supply water temperature, operation of heat pump temperature range and Energy Efficiency Ratio have been improved, perfect air source heat pump-solar energy multiple-energy-source hot-water heating system control technology, the high-quality domestic hot-water that can prepare water temperature stability.
Accompanying drawing explanation
Figure 1 shows that centralized system in large-scale Gongjian that the utility model embodiment provides is for the structural representation of domestic hot-water's multi-energy water heating device.
The specific embodiment
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
For the ease of the utility model is understood, special the component symbol relating in this novel Fig. 1 is concentrated on to following list describe, all not specializing carried out outside Reference numeral, that in Fig. 1, relate to and consistent in table icon, equal example respective element accordingly, as
representation temperature sensor,
represent motor-driven valve.
Refer to Fig. 1, in large-scale Gongjian, centralized system is for domestic hot-water's a multi-energy water heating device, the second water tank 3 that comprise the net for air-source heat pump units unit that comprises many source pump 1 of being located at roofing top and the solar energy heating unit 2 that comprises a plurality of solar energy heat collecting modules, be located at the indoor electric heater unit 10 that comprises a plurality of commercial electric water heaters and the first water tank 4, volume is greater than described the first water tank; Described the first water tank 4, the second water tank 3 connect respectively the water return pipeline KH of described net for air-source heat pump units unit 1, and the inlet pipeline KJ of described net for air-source heat pump units unit 1 connects feed pipe J and connects described the first water tank 4, the second water tank 3 by heat cycles pump unit; Described electric heater unit 10 is located on the water return pipeline KH of net for air-source heat pump units unit 1; The inlet pipeline TJ of described solar energy heating unit 2 connects described feed pipe J and through described heat cycles pump unit, connects described the first water tank 4, the second water tank 3, and the water return pipeline TH of described solar energy heating unit 2 receives described the second water tank 3; Described the first water tank 4 connects described the second water tank 3 by described heat cycles pump unit; Described the second water tank 3 also connect hot water return pipe RH with and hot water feeding pipe RJ, described hot water feeding pipe RJ is provided with the hot water variable frequency pump unit consisting of many hot water variable frequency pumps 5 that are arranged in parallel.
Described feed pipe J is provided with control valve unit, ，Yi road, two-way control valve unit and is connected with described inlet pipeline TJ, comprises motor-driven valve M2, check-valves 92 and ball valve 93, pressure-regulating valve 91; Another control valve unit is connected with described inlet pipeline KJ, comprises motor-driven valve M1 and check-valves and ball valve, on described feed pipe J, is further provided with remote transmitting water meter 94.
Outside the room of described inlet pipeline KJ, part is provided with temperature sensor T3 and thermometer, and outside the room of described inlet pipeline TJ, part is provided with temperature sensor T4 and thermometer.On the water inlet end of the solar thermal collector of described inlet pipeline TJ and described solar energy heating unit 2, be respectively equipped with stop valve 21, and the header of described solar thermal collector (collection union) is provided with temperature sensor T5, and described roofing is provided with environment temperature sensor T6.
Described heat cycles pump unit comprises many heat cycles pumps 71 that are set up in parallel, be located at respectively the ball valve of check-valves, ball valve, Pressure gauge 72 and the entrance point of each described heat cycles pump 71 port of export, described heat cycles pump 71 is provided with the suction line that described the first water tank 4 is connected the control valve unit that comprises motor-driven valve M5 and ball valve, and the pipeline that described heat cycles pump unit connects described the second water tank 3 is provided with the control valve unit that comprises motor-driven valve M6 and ball valve.
The pipeline that described the first water tank 4 connects described water return pipeline KH is provided with the control valve unit consisting of motor-driven valve M7 and ball valve; The pipeline that described the second water tank 3 connects described water return pipeline KH is provided with the control valve unit consisting of motor-driven valve M8 and ball valve.
Described the first water tank 4 is provided with temperature sensor T1, and fluid level controller 41 and thermometer 42 are same, and described the second water tank 3 is provided with temperature sensor T2, fluid level controller 31 and thermometer.The bottom of described first and second water tank is equipped with drain valve, and described first and second water tank is equipped with overflow pipe.
Described multi-energy water heating device comprises ozonization plant, for the hot water in described the second water tank, carries out disinfection; Described ozonization plant comprises ozone generator 61, the ejector 62 being connected with described ozone generator 61; Hot water feeding pipe RJ described in described ejector 62 1 terminations, the ozonizer O3 of ozone generator 61 described in another termination, the end of described ozonizer O3 is provided with the aerator 64 that is positioned at described the second water tank bottom, and 62 of described ozone generator 61 and described ejectors are provided with spinner flowmeter 63.The ozone that described ozone generator 61 produces adds to the bottom of the second water tank 3 by ejector 62 negative pressure, and water outlet residual ozone concentration is controlled and is not less than 0.01mg/L.
Further, the control valve unit that described hot water backwater's pipeline RH is provided with temperature sensor T7 and is comprised of motor-driven valve M9 and ball valve.
Connecting line between the inlet pipeline TJ of described heat cycles pump unit and described solar energy heating unit, the inlet pipeline KJ of net for air-source heat pump units unit is provided with treatment device for water.Described treatment device for water comprises whole-course water treatment device 82 and the clean doser 81 of rust deposite of parallel setting.The entrance end of the clean doser 81 of described rust deposite is respectively equipped with a normally-closed ball valve, and the entrance end of described whole-course water treatment device 82 is respectively equipped with a ball valve.Described whole-course water treatment device 82 adopts Physical to stablize scale control treatments to crossing water water quality; The clean doser 81 of described rust deposite can regularly add the water quality stabilizer of food-grade-return regent to reach the antirust antiscale object of system pipeline.
The described inlet pipeline TJ that connects described water treatment facilities is provided with the control valve unit that comprises motor-driven valve M4 and pressure-regulating valve, and the described inlet pipeline KJ that connects described water treatment facilities is provided with the control valve unit that comprises motor-driven valve M3 and ball valve.
Motor-driven valve M9 on described hot water return pipe RH and temperature sensor T7 interlocking; When hot water backwater's temperature is down to 50 ℃, by temperature controller T7, open the motor-driven valve M9 on hot water return pipe RH, discharge water into the second water tank 3; When backwater water temperature reaches 52 ℃, by temperature controller T7, close the motor-driven valve M9 on hot water return pipe RH, stop discharging water.
The inlet pipeline KJ of described net for air-source heat pump units unit 1, water return pipeline KH connect described the first water tank 4, and the water temperature that can be heated and maintain the first water tank 4 by heat cycles pump 71 to the water storage in the first water tank 4 by preset temperature constant temperature is constant.
When the first water tank 4 water levels are during lower than 0.6H (H is water tank full-water level height), open motor-driven valve M1 and the upper motor-driven valve M7 of water return pipeline KH on feed pipe J, start net for air-source heat pump units, the running water that the cold water pressure by running water pipe J supplements after net for air-source heat pump units preheating to the first water tank 4 simultaneously; After the first water tank 4 full waters, close net for air-source heat pump units, motor-driven valve M1 and motor-driven valve M7.When the water level of the second water tank 3 drops to 0.5H, open motor-driven valve M3, M5 and M7, then start net for air-source heat pump units and heat cycles pump 71 to the first water tank circulating-heating; When on the first water tank, temperature sensor water temperature that T1 surveys rises to 55 ℃, close net for air-source heat pump units, heat cycles pump, motor-driven valve M3 and M7, complete constant temperature heating (still can be by top water law in this process by solar water heating system to the second water tank constant temperature moisturizing).
The water return pipeline TH of described solar energy heating unit connects described the second water tank 3, its water inlet pipe TJ connects feed pipe J, be used for to the second water tank 3 constant temperature moisturizings, its moisturizing process is: when on solar thermal collector, temperature sensor T5 measured temperature reaches 57 ℃, automatically open the motor-driven valve M2 on cold water feed pipe J, the hot water ejecting in solar thermal collector with feed pressure is also overboard to the second water tank 4; When temperature sensor T5 measured temperature is down to 55 ℃, automatically close described motor-driven valve M2, stop moisturizing; When the second water tank 4 reaches after full-water level H, automatically close motor-driven valve M2, enter temperature difference recurrent state; Temperature sensor T2 measured temperature on the second water tank is down to 53 ℃ and lower when more than 5 ℃ than the temperature sensor T5 measured temperature on solar thermal collector, automatically opens motor-driven valve M4, M6 and heat cycles pump 71 circulating-heatings; When large water tank water temperature reaches 55 ℃, be forced shutdown circulating pump, motor-driven valve M4 and M6, prevent that water temperature from continuing to raise; When the second cistern water level declines, during lower than full-water level H, get back to constant temperature water compensating state.
Described the first water tank is connected with heat cycles pump by pipeline with described the second water tank, can be by the first water tank to described the second water tank pouring; Pouring process is: open motor-driven valve M8 and heat cycles pump 71, by heat cycles pump 71 from the first water tank to the second water tank pouring; When the first cistern water level is down to 0.2H, close heat cycles pump and motor-driven valve M8; Repeat the first water tank moisturizing, heating and to the second water tank pouring process, until the second cistern water level reaches 0.8H, and when now the temperature sensor T5 measured temperature on solar thermal collector reaches 50 ℃, close net for air-source heat pump units, heat cycles pump, motor-driven valve M5 and M8, stop pouring process; When if the second cistern water level reaches 0.8H, temperature sensor T5 measured temperature is during lower than 50 ℃, when continuing the first heating water tanks moisturizing to the second water tank and reaching full-water level H, closes circulating pump, motor-driven valve M5 and M8, stops pouring.
Under the second water tank full water state, when the second water tank temperature sensor T2 measured temperature is down to 53 ℃, detect the temperature on solar thermal collector, in the time of T5-T2<6 ℃, open motor-driven valve M3, M6, M8, then open net for air-source heat pump units and heat cycles pump circulating-heating, water tank temperature stops heating while rising to 55 ℃, close source pump, heat cycles pump and motor-driven valve M3, M6, M8; And when T2 measured temperature is 53 ℃ and T5-T2=6 ℃, preferentially carry out the circulation of the solar energy temperature difference.
When the second cistern water level is lower than 0.6H, and water temperature is while being down to 53 ℃, preferentially by net for air-source heat pump units constant temperature circularly enhancing the second water tank water temperature; And then carry out to the first water tank moisturizing, the first water tank circulating-heating and the first water tank are to the second water tank pouring process.
Morning 12:00～next day evening every day 5:00, first and second water tank enters half water level running status.First detect the first cistern water level evening during 12:00, when the not enough 0.5H of water level, open motor-driven valve M1 moisturizing, mend to 0.5H then constant temperature be heated to 55 ℃ stand-by; After meeting the demands, the first water tank temperature detects again the second cistern water level, when water level <0.5H, start the first water tank hot water to the second water tank pouring process, stop pouring when the second cistern water level reaches 0.5H, the second water tank enters insulation recurrent state; Above process moves in circles, until next day 5:00, finish running status at night.
In the utility model embodiment, described net for air-source heat pump units carries electric heating device, when first and second water tank constant temperature circulation time, when the outdoor temperature sensor environment temperature that T6 surveys of roofing setting is during lower than 5 ℃, automatically start the electric heating device that net for air-source heat pump units carries; When temperature sensor outside air temperature that T6 surveys is down to-5 ℃, except opening net for air-source heat pump units, carries electric heating device, then open the commercial electric water heater of 1/3 quantity, supplementary heating simultaneously; When environment temperature that T6 surveys continues to drop to-10 ℃, then increase the commercial electric water heater of opening 1/3 quantity, supplementary heating simultaneously; When environment temperature that T6 surveys is down to-15 ℃, close net for air-source heat pump units, open electric heater and all commercial electric water heaters that net for air-source heat pump units carries and heat simultaneously.Otherwise, when environment temperature is gone up, more progressively remove commercial electric water heater full open, part is opened and source pump carries electric heating device opening.The data that the concrete unlatching quantity of commercial electric water heater should provide according to the desired value of net for air-source heat pump units decrease in efficiency or net for air-source heat pump units producer, determine through designing and calculating.
In the utility model embodiment, the hot-water heating system of described solar energy heating unit and net for air-source heat pump units unit shares one group of heat cycles pump 71, and water pump is standby each other.
For preventing that solar thermal collector pressure-bearing from surpassing 0.05MPa, on the circulation line of solar energy heating unit and cold water water pipe, pressure-regulating valve is all set.
In addition, freezing for preventing roofing solar energy heating pipeline, the utility model is also provided with from restraint-type heating cable defroster; When heating cable cannot power and be located at temperature sensor T4 measured temperature on solar thermal collector water inlet pipe and be down to 2 ℃ because of fault, can send sound and light alarm signal at hot-water heating system switch board, prompting administrative staff sluice by pipeline, and artificial emptying is antifreeze.
In the utility model embodiment, when temperature probe T 3 measured temperatures on the inlet pipeline KJ of net for air-source heat pump units are down to 2 ℃, enforced opening motor-driven valve M3, M5, M7 and a heat cycles pump 71, close every other motor-driven valve and firing equipment simultaneously, make roof pipeline carry out antifreeze circulation; When T3 measured temperature rises to 4 ℃, remove and force antifreeze circulation, recovery system normal operating condition.
It should be noted that, when solar energy circular flow and source pump circular flow approach, adopt 2 heat cycles pumps, 1 use 1 standby.When solar energy circular flow approach source pump circular flow 50% time, adopt 3 heat cycles pumps; Net for air-source heat pump units unit circulation time, 21 of uses are standby; Solar energy heating unit circulation time, 12 of use is standby.
Described net for air-source heat pump units is selected the source pump that has filled cold-producing medium R417A, 50～60 ℃ of unit leaving water temperatures (this device is set 55 ℃ of leaving water temperatures), and high energy efficiency ratio approaches 1:4; Unit working range is-15 ℃～45 ℃ (applicable to the greater parts beyond domestic severe cold region); Unit pressure-bearing 1MPa, crosses water resistance 0.04MPa; Unit carries electric heating device.For the source pump of normal air source, this equipment energy consumption is low, efficiency is high, environmental protection (cold-producing medium to ozone layer zero pollute), broad application temperature range.
The heating capacity of described net for air-source heat pump units is determined (the unit day operation time is generally got 12～20h) by the design work time of hot-water heating system height per day second of heat consumption and source pump; Heat pump hot-water system is by meeting the design that works alone under various weather conditions of three season of spring and summer autumn, and winter low temperature weather needs electric auxiliary heating.
Described solar thermal collector adopts current domestic application the most general, the all-glass vacuum tube heat collecting module (pressure-bearing 0.05MPa) that cost is lower.
In described net for air-source heat pump units type selecting cloth postpone, the gross area of the heat collecting module that the area of solar thermal collector finally can be arranged by place roofing is determined; When solar energy fraction is lower than 30% time, solar water heating system generally can not work alone, so solar water becomes the strong of air source heat pump hot water and supplements.
Described electric heater type selecting power is poor (conversion efficiency of electricity and heat energy is by 95%) that the average second heat consumption of hot-water heating system design hour and source pump carry the total electric weight of electric heating device.
Described the second water tank adopts S31608 stainless steel assembled water tank.Water tank dischargeable capacity is 2～4h by the heat consumption duration; Described the first water tank adopts S31608 stainless steel assembled water tank, and water tank dischargeable capacity is by 1/8～1/4 of the second water tank capacity.
Described fluid level controller 31,41 adopts pressure liquid level sensor and fluid level transmitter, can establish control by multiple spot, and liquid level output signal and some position can arbitrarily be set.
The operation of this device adopts PLC intelligence control system, according to the variation of temperature and liquid level in device, and Automatic Control operation; And save electric energy by controlling the cascade utilization of heat energy, combined solar thermal water, air source heat pump, commercial electric water heater advantage separately in using energy source, maximize favourable factors and minimize unfavourable ones, clearly with air heat energy, take as the leading factor, and preferential use is close to the solar energy that does not need conventional energy resource to drive; Electric heating device and commercial electric water heater that auxiliary thermal source is used source pump to carry.This device is applicable to 24 hours continual and steady occasions of supplying with constant-temperature hot water, be specially adapted to the hot water use amounts such as hotel, sanatorium, hospital large, and roofing relative area is little, the occasion of cannot large area arranging solar thermal collector.It is target that this hot water apparatus be take energy-conservation and environmental protection, when meeting the continual and steady high-quality domestic hot-water of supply, maximally utilised solar energy and air heat energy, reduced the use of conventional energy resource (electric energy) as far as possible, by PLC robot control system(RCS), the comprehensive energy efficiency of system operation has been brought up to ultimate attainment.
For conventional boiler hot-water heating system, this device has significantly reduced conventional energy resource consumption (only consuming a small amount of clean energy resource--the electric energy that is about conventional energy resource caloric value 20～30%), without the generation of waste water and gas waste residue, without explosion safety hidden danger and fire safety problem and modularized design, easy for installation.And for common multiple-energy-source hot-water heating system, energy cascade utilization effect is more outstanding, comprehensive energy efficiency is high, water supply water temperature and quality is stable, and winter operation is safe and reliable, and automatic control technology is perfect, floor space and usage space are reasonable, and maintenance cost is low, can realize round-the-clock automatic operation throughout the year.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
- One kind in large-scale Gongjian centralized system for domestic hot-water's multi-energy water heating device, it is characterized in that, comprise that net for air-source heat pump units unit, solar energy heating unit, electric heater unit, heat cycles pump unit and the first water tank, volume are greater than the second water tank of described the first water tank; Described the first water tank, the second water tank connect respectively the water return pipeline of described net for air-source heat pump units unit, and the inlet pipeline of described net for air-source heat pump units unit connects feed pipe and connects described the first water tank and the second water tank by heat cycles pump unit; Described electric heater unit is located on the water return pipeline of net for air-source heat pump units unit; The inlet pipeline of described solar energy heating unit connects described feed pipe and connects described the second water tank through described heat cycles pump unit, and the water return pipeline of described solar energy heating unit is received described the second water tank; Described the first water tank connects described the second water tank by described heat cycles pump unit; Described the second water tank also connects hot water return pipe and hot water feeding pipe, and described hot water feeding pipe is provided with hot water variable frequency pump unit.
- 2. in large-scale Gongjian, centralized system, for domestic hot-water's multi-energy water heating device, is characterized in that according to claim 1, comprises ozonization plant, for the hot water in described the second water tank, carries out disinfection; Described ozonization plant comprises ozone generator, the ejector being connected with described ozone generator; Described ejector one end connects described hot water feeding pipe, the ozonizer of ozone generator described in another termination, and the end of described ozonizer is provided with the aerator that is positioned at described the second water tank bottom.
- According to claim 2 in large-scale Gongjian centralized system for domestic hot-water's multi-energy water heating device, it is characterized in that, the connecting line between the inlet pipeline of described heat cycles pump unit and described solar energy heating unit and net for air-source heat pump units unit is provided with treatment device for water.
- 4. in large-scale Gongjian, centralized system, for domestic hot-water's multi-energy water heating device, is characterized in that according to claim 3, and described treatment device for water comprises whole-course water treatment device and the clean doser of rust deposite.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094801A (en) * | 2019-05-31 | 2019-08-06 | 宁波奥克斯电气股份有限公司 | A kind of net for air-source heat pump units electric heating controlling method and system |
| CN114963538A (en) * | 2022-06-27 | 2022-08-30 | 广东纽恩泰新能源科技发展有限公司 | Water heater system and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094801A (en) * | 2019-05-31 | 2019-08-06 | 宁波奥克斯电气股份有限公司 | A kind of net for air-source heat pump units electric heating controlling method and system |
| CN114963538A (en) * | 2022-06-27 | 2022-08-30 | 广东纽恩泰新能源科技发展有限公司 | Water heater system and control method |
| CN114963538B (en) * | 2022-06-27 | 2023-12-12 | 广东纽恩泰新能源科技发展有限公司 | Water heater system and control method |
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