CN203052883U - Multi-renewable-energy-source complementary heat pump air-conditioning system - Google Patents
Multi-renewable-energy-source complementary heat pump air-conditioning system Download PDFInfo
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- CN203052883U CN203052883U CN 201320005317 CN201320005317U CN203052883U CN 203052883 U CN203052883 U CN 203052883U CN 201320005317 CN201320005317 CN 201320005317 CN 201320005317 U CN201320005317 U CN 201320005317U CN 203052883 U CN203052883 U CN 203052883U
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Abstract
The utility model provides a multi-renewable-energy-source complementary heat pump air-conditioning system, and belongs to the field of heat pump air-conditioners. According to the multi-renewable-energy-source complementary heat pump air-conditioning system, a solar thermal collector is simultaneously connected with a constant-temperature anaerobic fermentation device and a low-temperature water tank, an air press device, a purifying device and an air storage device are sequentially connected in the back of the constant-temperature anaerobic fermentation device, a methane water heater and a gas port A used by a user are connected in the back of the air storage device, a hot water connector of the methane water heater is simultaneously connected with the low-temperature water tank, a first hot water port B and a first water return port C, a second hot water port D and a second water return port E are formed in the low-temperature water tank, an outdoor air-cooled type heat exchanger is connected with a heat exchanger in the low-temperature water tank in parallel, an indoor air-cooled heat exchanger is connected with a heat exchanger in a medium-temperature water tank in parallel, and a third hot water port F and a third water return port G are formed in the medium-temperature water tank.
Description
Technical field
[0001] the utility model relates to the Building Heat pump air conditioner system.
Background technology
In China, more than 20% of total energy consumption of the building energy consumption account whole nation, and heating and air conditioning energy consumption account for 2/3 of building energy consumption.Adopt advanced heat pump energy-conserving technology to solve user's heat supply in winter, summer refrigeration, annual domestic hot-water in conjunction with the biomass anaerobic fermentation technology and be the better approach of this part energy demand of solution with the demand of combustion gas.
The vapor compression heat pump air-conditioning system generally is divided into types such as air source, solar energy, water source, soil source heat pump according to the difference of low-temperature heat source.The air source heat pump air-conditioner unit since its can heat and can freeze, easy for installation, characteristics such as operation is simple, obtained significant progress and extensive use in recent years.But when outdoor temperature is low in the winter time, the evaporating temperature of heat pump working medium is also lower, the compressor air suction temperature is lower, make compressor exhaust temperature lower, condensation temperature is lower, and the heating capacity of source pump reduces, the heating performance coefficient is corresponding decline also, simultaneously lower evaporating temperature is easier makes the frosting of evaporimeter wall, and unit is difficult to normal operation, usually can not satisfy user's thermic load requirement.Multiple low-temperature heat source complementation provides feasible method for head it off.
Vigorously advocate energy-saving and emission-reduction in country, open under the situation of the renewable sources of energy, renewable energy utilization is combined with the heat pump energy-conserving technology, satisfy user's heat supply in winter, summer refrigeration, annual domestic hot-water fully and with the demand of combustion gas, have important practical significance.About this respect, domestic more existing relevant patents.
Chinese invention patent " a kind of renewable energy source heat pump " (application number: 200810162706, Granted publication number: CN101476776A) proposed a kind of tide energy carries out heat supply in conjunction with heat pump method and products thereof of utilizing, when morning and evening tides comes interim, under the effect of water-head, impeller and the operation of interlock transducer driven source pump produce hot water and carry out heat supply.
Chinese invention patent " a kind of composite solar pump hot-water heating system " (application number: 201110293491, Granted publication number: CN102506465A) introduced a kind of solar source and air source of adopting as the combined heat pump hot-water heating system of heat pump low-temperature heat source.System is made of two heating modes, is respectively series connection and paralleling model.When adopting series model, solar thermal collector heats hot water storage tank, and as the evaporation thermal source of water resource heat pump, water resource heat pump heats water tank under higher evaporating temperature condition hot water storage tank simultaneously; When adopting paralleling model, solar thermal collector and air source heat pump to the water tank heating, satisfy demand for heat simultaneously.
Chinese invention patent " balcony wall-hanging solar-air source composite heat pump system " (application number: 200810160419, Granted publication number: CN101408357A) disclose a kind of balcony wall-hanging solar-air source composite heat pump system, wherein the air source heat pump module is conventional heat pump, the outdoor heat exchanger wall-hanging solar water heater/heat exchanger that is connected in parallel mainly is made up of heavy caliber pressure-bearing vacuum glass heat collection tube, pressure-bearing stainless steel sleeve pipe, cold water division box and U-shaped cold-producing medium copper pipe four parts.Wall-hanging solar water heater/heat exchanger can play the effect of solar water heater, can play under different operating modes again and utilize solar energy and heat pump condensation heat, plays the effect of heat exchanger.
China's utility model patent " air-solar energy-ground energy three heat-source composite heat pump devices " (application number: 200820069365, Granted publication number: CN201163124Y) provide a kind of air-solar energy-ground of realizing comprehensive utilization of energy can three heat-source composite heat pump devices, both solved the solar energy instability problem, take full advantage of solar energy again, reduce the underground water consumption of earth source heat pump and energy consumption, solar water heating system, air source heat pump and earth source heat pump are combined.
This shows, more existing relevant patent major parts effectively combine solar energy, air heat energy, can equal energy source in two or three low-temperature heat source as heat pump, but rarely have this regenerative resource of the biomass energy of mentioning.
Summary of the invention
The purpose of this utility model provides a kind ofThe complementary heat pump type air conditioning system of multiple regenerative resource.
The utility model is the complementary heat pump type air conditioning systems of one kind of multiple regenerative resources, this system comprises solar thermal collector 1, constant temperature anaerobic fermentation device 2, heat exchanger 3 in the constant temperature anaerobic fermentation device, the device 4 of calming the anger, purifier 5, caisson 6, biogas water heater 7, low temperature water tank 8, heat exchanger 9 in the low temperature water tank, outdoor air-cooled heat exchanger 10, choke valve 11,12, four-way change-over valve 13, compressor 14, indoor air-cooled heat exchanger 15, middle reservoir 16, heat exchanger 17 in the middle reservoir, three water circulating pumps 18,19 and 20 and necessary control valve 21 ~ 33, having 7 ports to use for the user, is respectively combustion gas port A, the first hot water port B, the first backwater port C, the second hot water port D, the second backwater port E, the 3rd hot water port F and the 3rd backwater port G; Wherein said solar thermal collector 1 is connected with low temperature water tank 8 with constant temperature anaerobic fermentation device 2 simultaneously, be connected with the device 4 of calming the anger in turn behind the constant temperature anaerobic fermentation device 2, purifier 5, caisson 6, the combustion gas port A that is connected with biogas water heater 7 behind the caisson 6 and uses for the user, interface of hot water while and the low temperature water tank 8 of biogas water heater 7, the first hot water port B and the first backwater port C are connected, low temperature water tank 8 is provided with the second hot water port D and the second backwater port E, heat exchanger 9 is connected in parallel in outdoor air-cooled heat exchanger 10 and the low temperature water tank, heat exchanger 17 is connected in parallel in indoor air-cooled heat exchanger 15 and the middle reservoir, and middle reservoir 16 is provided with the 3rd hot water port F and the 3rd backwater port G; The two ends of the heat exchanger 3 in the constant temperature anaerobic fermentation device 2 are connected with solar thermal collector 1 or low temperature water tank 8.
The complementary heat pump type air conditioning system of the multiple regenerative resource that the utility model relates to is with solar energy utilization technique, living beings constant temperature anaerobic fermentation technology and air source heat pump technology combine, having realized storing daytime solar thermal energy uses for constant temperature anaerobic fermentation device and heat pump night, the introducing of constant temperature anaerobic fermentation technology has solved the low outstanding problem of air source heat pump performance under the intermittence of solar energy and the low temperature environment, the complementation of three kinds of regenerative resources has improved the heat pump reliability greatly, enlarged its range of application, according to the principle of energy grade step counterpart, adopt different mode of operations to satisfy user's heat supply in winter, freeze summer, annual domestic hot-water and with the primary demand of combustion gas.The present invention has the following advantages:
(1) can utilize solar thermal energy, biomass energy and three kinds of very huge regenerative resources of stock number of air heat energy simultaneously, can gather materials on the spot, cost is extremely low, and range of application is very extensive;
(2) can satisfy user's heat supply in winter, summer refrigeration, annual domestic hot-water's demand fully, realize a tractor serves several purposes, improve the utilization ratio of system;
(3) the complementary energy supply of solar thermal energy, biomass energy and air heat energy has overcome intermittence and the instability problem of solar energy, has solved air source heat pump performance in winter and has reduced the sharp contradiction that increases with thermic load;
(4) living beings constant temperature anaerobic fermentation has higher pond appearance factor of created gase, takes full advantage of the condition that existing solar energy heat collection equipment provides the constant temperature anaerobic fermentation, has realized the multi-use of solar thermal collector, improves its utilization ratio, has reduced system operation cost;
(5) the solar water circulation can realize the low temperature thermal-arrest of solar thermal collector as the low-temperature heat source of heat pump air conditioner evaporimeter, and collector efficiency improves, and radiation loss is little.
Description of drawings
Fig. 1 is systematic schematic diagram of the present utility model, sequence number among the figure: 1-solar thermal collector, 2-constant temperature anaerobic fermentation device, heat exchanger in the 3-constant temperature anaerobic fermentation device, the 4-device of calming the anger, the 5-purifier, the 6-caisson, 7-biogas water heater, 8-low temperature water tank, heat exchanger in the 9-low temperature water tank, the outdoor air-cooled heat exchanger of 10-, 11, the 12-choke valve, the 13-four-way change-over valve, the 14-compressor, the indoor air-cooled heat exchanger of 15-, reservoir among the 16-, heat exchanger in the reservoir among the 17-, 18,19, the 20-water circulating pump, 21,22,23,24,25,26,27,28,29,30,31,32, the 33-by-pass valve control.
The specific embodiment
As shown in Figure 1, the utility model is the complementary heat pump type air conditioning systems of one kind of multiple regenerative resources, this system comprises solar thermal collector 1, constant temperature anaerobic fermentation device 2, heat exchanger 3 in the constant temperature anaerobic fermentation device, the device 4 of calming the anger, purifier 5, caisson 6, biogas water heater 7, low temperature water tank 8, heat exchanger 9 in the low temperature water tank, outdoor air-cooled heat exchanger 10, choke valve 11,12, four-way change-over valve 13, compressor 14, indoor air-cooled heat exchanger 15, middle reservoir 16, heat exchanger 17 in the middle reservoir, three water circulating pumps 18,19 and 20 and necessary control valve 21 ~ 33, having 7 ports to use for the user, is respectively combustion gas port A, the first hot water port B, the first backwater port C, the second hot water port D, the second backwater port E, the 3rd hot water port F and the 3rd backwater port G; Wherein said solar thermal collector 1 is connected with low temperature water tank 8 with constant temperature anaerobic fermentation device 2 simultaneously, be connected with the device 4 of calming the anger in turn behind the constant temperature anaerobic fermentation device 2, purifier 5, caisson 6, the combustion gas port A that is connected with biogas water heater 7 behind the caisson 6 and uses for the user, interface of hot water while and the low temperature water tank 8 of biogas water heater 7, the first hot water port B and the first backwater port C are connected, low temperature water tank 8 is provided with the second hot water port D and the second backwater port E, heat exchanger 9 is connected in parallel in outdoor air-cooled heat exchanger 10 and the low temperature water tank, heat exchanger 17 is connected in parallel in indoor air-cooled heat exchanger 15 and the middle reservoir, and middle reservoir 16 is provided with the 3rd hot water port F and the 3rd backwater port G; The two ends of the heat exchanger 3 in the constant temperature anaerobic fermentation device 2 are connected with solar thermal collector 1 or low temperature water tank 8.
As shown in Figure 1, the heating agent in solar thermal collector 1 and low temperature water tank 8, middle reservoir 16 and the pipeline that is connected thereof can be water or other anti-icing fluid.
As shown in Figure 1,Being provided with first heat exchanger 9 and second heat exchanger, 17, the first heat exchangers 9 and second heat exchanger 17 in low temperature water tank 8 and the middle reservoir 16 is coiled structures, or the fin tube type structure.
As shown in Figure 1,Heat exchanger 9 is connected first throttle valve 11 and second choke valve 12 respectively with outdoor air-cooled heat exchanger 10 in the low temperature water tank 8, switches two loops by first by-pass valve control 27 and second by-pass valve control 28.
As shown in Figure 1,Compressor 14 is invariable frequency compressors, or frequency-changeable compressor, use existing working medium commonly used, or novel environment-friendly refrigerant is done refrigerant.
As shown in Figure 1,Hot water feeding pipe's mouth and the moisturizing mouth of pipe are set on low temperature water tank 8 and the middle reservoir 16.
As shown in Figure 1,Water circulating pump 19 is provided with bypass circulation, closes by the 3rd by-pass valve control 30 and the 4th by-pass valve control 33 control the logical of two loops.
AsShown in Figure 1, when solar radiation is sufficient, utilize solar thermal collector 1 thermal-arrest to make in the constant temperature anaerobic fermentation device 2 and keep ferment at constant temperature, water in the unnecessary solar thermal energy heating low temperature water tank 8, the biogas that fermentation produces is stored in the caisson 6 through calm the anger device 4 and purifier 5, utilizes biogas water heater 7 that the water in the low temperature water tank 8 is heated.If water temperature is higher in solar energy abundance and the low temperature water tank 8, can utilize the hot water heating in the low temperature water tank 8; If the biogas abundance, the user can pass through the first hot water port B, the first backwater port C heat-obtaining, uses combustion gas by combustion gas port A.If solar energy and biogas deficiency, the water temperature in the low temperature water tank 8 can not meet the demands, need to start heat pump assembly, and be that low-temperature heat source adds the water of pining in the reservoir 16 by heat pump cycle with the water in the low temperature water tank 8, carry out heat supply.
As shown in Figure 1, when solar energy and biogas wretched insufficiency, in the time of can't providing enough heat to the water in the low temperature water tank 8, air-cooled heat exchanger 10 outside the opening chamber carries out heat supply with the pattern of air source heat pump.Because exist 3 energy storage devices (caisson 6, low temperature water tank 8 and middle reservoir 16) and 3 kinds of energy to supply with (solar thermal energy, biomass energy and air heat energy) in the native system, stability and the reliability of system improve greatly.
In sum, the present invention has for functions such as combustion gas, heat supply, refrigeration, and each function realizes approach, and details are as follows.
One, for combustion gas
The biogas that constant temperature anaerobic fermentation device 2 produces in the system of the present invention enters caisson 6 through the device 4 of calming the anger, purifier 5, and A uses for the user by the combustion gas port.The ferment at constant temperature environment of constant temperature anaerobic fermentation device 2 can be realized by following two kinds of approach.
(1) solar thermal collector heating
When solar radiation is sufficient, ON cycle water pump 20, by-pass valve control 22 and 31, hot water enters under the effect of water circulating pump 20 in the heat exchange coil 3 in the constant temperature anaerobic fermentation device 2 in the solar thermal collector 1, and the heating zymotic fluid remains unchanged its fermentation temperature substantially.
(2) low temperature water tank heating
When solar radiation is not enough, ON cycle water pump 20, by-pass valve control 21, the 22 and the 3rd by-pass valve control 33, close water circulating pump 19 and the 3rd by-pass valve control 30, by-pass valve control 31, the heating agent in the low temperature water tank 8 enters in the heat exchange coil 3 and heats zymotic fluid, and its fermentation temperature is remained unchanged substantially.When the heat medium temperature in the low temperature water tank 8 is low, open biogas water heater 7, water circulating pump 18 and by-pass valve control 26,32, the heating agent in the heating low temperature water tank 8.
Two,Heat supply
The heat supply mode of system of the present invention has following several.
(1) solar-heating
As shown in Figure 1, when intensity of solar radiation is better, but the hot water direct heating that solar thermal collector 1 produces, by-pass valve control 21, the 3rd by-pass valve control 30 and by-pass valve control 31 are opened at this moment, water circulating pump 19 work.Heating agent in the low temperature water tank 8 enters solar thermal collector 1 through water circulating pump 19, sends low temperature water tank 8 after being heated back to, and hot water uses for the user by the second hot water port D, the second backwater port E in the low temperature water tank 8.
(2) gas heating
As shown in Figure 1, when combustion gas is sufficient in the caisson 6, can be by biogas water heater 7 heating backwater direct heatings, this moment, by-pass valve control 32 was closed, by-pass valve control 26 is opened, the heating agent of the first backwater port C enters biogas water heater 7 and is heated to specified temp, returns the first hot water port B by by-pass valve control 26, uses for the user.
(3) heat pump heat supply
As shown in Figure 1, utilize heat pump cycle with the heating of the heating agent in the middle reservoir 16, carry out heat supply by the 3rd hot water port F, the 3rd backwater port G.The heat pump cycle of system of the present invention has two evaporimeters, is respectively first heat exchanger 9 and outdoor air-cooled heat exchanger 10 in the low temperature water tank 8; Three kinds of low-temperature heat sources are arranged, be respectively solar thermal energy, biomass energy and air heat energy, wherein the first heat exchanger 9(in the corresponding low temperature water tank 8 of solar thermal energy and biomass energy is called the water source), the outer air-cooled heat exchanger 10(of air heat energy respective chamber/chambers is called the air source), according to the difference of evaporimeter, the heat pump heat supply pattern is divided into following three types.
In the air source heat pump pattern, air is low-temperature heat source, and outdoor air cooling heat exchanger 10 is evaporimeter, and this moment, second by-pass valve control 28 was opened, and first by-pass valve control 27 is closed.After cold-producing medium is compressed by compressor 14,, absorb finally by the outer air-cooled heat exchanger 10 of second choke valve, 12 inlet chambers and to enter compressor 14 behind the heat in the air and finish a circulation to the water release heat through second heat exchanger 17 of four-way change-over valve 13 to the middle reservoir 16.Hot water during the user takes by the 3rd hot water port F, the 3rd backwater port G in the reservoir.
In the water resource heat pump pattern, hot water in the low temperature water tank 8 is low-temperature heat source, and first heat exchanger 9 is evaporimeter, and the hot water in the low temperature water tank 8 can come from solar thermal collector 1 also can come from biogas water heater 7, this moment, first by-pass valve control 27 was opened, and second by-pass valve control 28 is closed.Cold-producing medium by compressor 14 compression after, enter finally by first throttle valve 11 and enter compressor 14 behind the heat that absorbs water in the low temperature water tank 8 in the heat exchanger 9 and finish a circulation to the water release heat through four-way change-over valve 13 heat exchanger 17 to the middle reservoir 16.Hot water during the user takes by the 3rd hot water port F, the 3rd backwater port G in the reservoir.
Air source heat pump adds in the water resource heat pump pattern, first by-pass valve control 27 and second by-pass valve control 28 are all opened, two evaporimeters are worked simultaneously, after cold-producing medium is compressed by compressor 14, through four-way change-over valve 13 to the middle reservoir 16 heat exchanger 17 to the water release heat, enter first heat exchanger 9 and outdoor air-cooled heat exchanger 10 respectively finally by first throttle valve 11 and second choke valve 12, absorb respectively and enter compressor 14 behind the heat of water in the low temperature water tank 8 and the airborne heat and finish a circulation.Hot water during the user takes by the 3rd hot water port F, the 3rd backwater port G in the reservoir.
Three,Refrigeration
System of the present invention can separate refrigeration, produces hot water when also can freeze.
(1) separate refrigeration
During separate refrigeration, second by-pass valve control 28, by-pass valve control 29 are opened, first by-pass valve control 27 is closed, after cold-producing medium is compressed by compressor 14, through four-way change-over valve 13 to the outdoor air-cooled heat exchanger 10 to the environment release heat, finally by air-cooled heat exchanger 15 in second choke valve, 12 inlet chambers, enter compressor 14 behind the heat of absorption room air and finish a circulation.The user obtains cold by indoor air-cooled heat exchanger 15.
(2) the double water that heats of refrigeration
It is double when heating water to freeze, first by-pass valve control 27, by-pass valve control 29 are opened, second by-pass valve control 28 is closed, after cold-producing medium is compressed by compressor 14, through four-way change-over valve 13 to the low temperature water tank 8 first heat exchanger 9 to the water release heat, finally by air-cooled heat exchanger 15 in first throttle valve 11 inlet chambers, enter compressor 14 behind the heat of absorption room air and finish a circulation.The user obtains cold by indoor air-cooled heat exchanger 15, takes hot water in the low temperature water tank by the second hot water port D, the second backwater port E.
Claims (7)
1.
A kind ofThe complementary heat pump type air conditioning system of multiple regenerative resource, it is characterized in that: this system comprises solar thermal collector (1), constant temperature anaerobic fermentation device (2), heat exchanger (3) in the constant temperature anaerobic fermentation device, the device (4) of calming the anger, purifier (5), caisson (6), biogas water heater (7), low temperature water tank (8), heat exchanger in the low temperature water tank (9), outdoor air-cooled heat exchanger (10), choke valve (11,12), four-way change-over valve (13), compressor (14), indoor air-cooled heat exchanger (15), middle reservoir (16), heat exchanger (17) in the middle reservoir, three water circulating pumps (18,19,20) and necessary control valve (21 ~ 33), having 7 ports to use for the user, is respectively combustion gas port (A), the first hot water port (B), the first backwater port (C), the second hot water port (D), the second backwater port (E), the 3rd hot water port (F) and the 3rd backwater port (G); Wherein said solar thermal collector (1) is connected with low temperature water tank (8) with constant temperature anaerobic fermentation device (2) simultaneously, be connected with the device of calming the anger (4) behind the constant temperature anaerobic fermentation device (2) in turn, purifier (5), caisson (6), the combustion gas port (A) that is connected with biogas water heater (7) behind the caisson (6) and uses for the user, interface of hot water while and the low temperature water tank (8) of biogas water heater (7), the first hot water port (B) and the first backwater port (C) are connected, low temperature water tank (8) is provided with the second hot water port (D) and the second backwater port (E), heat exchanger (9) is connected in parallel in outdoor air-cooled heat exchanger (10) and the low temperature water tank, heat exchanger (17) is connected in parallel in indoor air-cooled heat exchanger (15) and the middle reservoir, and middle reservoir (16) is provided with the 3rd hot water port (F) and the 3rd backwater port (G); The two ends of the heat exchanger (3) in the constant temperature anaerobic fermentation device (2) are connected with solar thermal collector (1) or low temperature water tank (8).
2. the complementary heat pump type air conditioning system of multiple regenerative resource according to claim 1, it is characterized in that: the heating agent in solar thermal collector (1) and low temperature water tank (8), middle reservoir (16) and the pipeline that is connected thereof can be water or anti-icing fluid.
3. the complementary heat pump type air conditioning system of multiple regenerative resource according to claim 1, it is characterized in that: be provided with first heat exchanger (9) and second heat exchanger (17) in low temperature water tank (8) and the middle reservoir (16), first heat exchanger (9) and second heat exchanger (17) are the coiled structures, or the fin tube type structure.
4. the complementary heat pump type air conditioning system of multiple regenerative resource according to claim 1, it is characterized in that: heat exchanger (9) is connected first throttle valve (11) and second choke valve (12) respectively with outdoor air-cooled heat exchanger (10) in the low temperature water tank (8), switches two loops by first by-pass valve control (27) and second by-pass valve control (28).
5. the complementary heat pump type air conditioning system of multiple regenerative resource according to claim 1, it is characterized in that: compressor (14) is invariable frequency compressor, or frequency-changeable compressor.
6. the complementary heat pump type air conditioning system of multiple regenerative resource according to claim 1 is characterized in that: on low temperature water tank (8) and the middle reservoir (16) hot water feeding pipe's mouth and the moisturizing mouth of pipe are set.
7. the complementary heat pump type air conditioning system of multiple regenerative resource according to claim 1, it is characterized in that: water circulating pump (19) is provided with bypass circulation, controls the logical of two loops by the 3rd by-pass valve control (30) and the 4th by-pass valve control (33) and closes.
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| CN 201320005317 CN203052883U (en) | 2013-01-07 | 2013-01-07 | Multi-renewable-energy-source complementary heat pump air-conditioning system |
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| CN 201320005317 CN203052883U (en) | 2013-01-07 | 2013-01-07 | Multi-renewable-energy-source complementary heat pump air-conditioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017282A (en) * | 2013-01-07 | 2013-04-03 | 兰州理工大学 | Complementary heat pump air-conditioning system based on multiple renewable energy resources |
| CN111547845A (en) * | 2020-06-02 | 2020-08-18 | 石河子大学 | Anaerobic ammonia oxidation reactor stable operation system based on multi-energy complementation |
-
2013
- 2013-01-07 CN CN 201320005317 patent/CN203052883U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017282A (en) * | 2013-01-07 | 2013-04-03 | 兰州理工大学 | Complementary heat pump air-conditioning system based on multiple renewable energy resources |
| CN111547845A (en) * | 2020-06-02 | 2020-08-18 | 石河子大学 | Anaerobic ammonia oxidation reactor stable operation system based on multi-energy complementation |
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Granted publication date: 20130710 Termination date: 20140107 |