CN202993657U - Ground source heat pump triple generation system - Google Patents
Ground source heat pump triple generation system Download PDFInfo
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- CN202993657U CN202993657U CN201220691482.6U CN201220691482U CN202993657U CN 202993657 U CN202993657 U CN 202993657U CN 201220691482 U CN201220691482 U CN 201220691482U CN 202993657 U CN202993657 U CN 202993657U
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a ground source heat pump triple generation system which comprises an air conditioning terminal, a ground source heat exchange system, a heat recovery type water source heat pump unit, an air conditioning water source heat pump unit, a domestic hot water tank, an outdoor swimming pool, pipelines, eight control valves and five interstage valves, wherein the pipelines are connected with the air conditioning terminal, the ground source heat exchange system, the heat recovery type water source heat pump unit, the air conditioning water source heat pump unit, the domestic hot water tank and the outdoor swimming pool, and the eight control valves and the five interstage valves are arranged on the pipelines. The ground source heat pump triple generation system is simple in structure; the corresponding control valves and the interstage valves can be opened and closed according to different seasons, so that relevant functions and applications can be achieved; the ground source heat pump triple generation system can supply refrigeration in summer, can recover waste heat for preparing domestic hot water during a refrigeration course, can supply heat in winter, and can prepare the domestic hot water in winter, spring and fall; the equipment installed capacity can be saved to the greatest extent; auxiliary heat dissipation of a cooling tower system is not required; and the ground source heat pump triple generation system is energy-saving, and environment-friendly, and can be widely applied to sites, such as hotels, grogshops, hospitals, residences, business places and the like.
Description
Technical field
The utility model relates to earth-source hot-pump system field, specifically a kind of earth source heat pump combined supply system.
Background technology
Existing earth-source hot-pump system common configuration two cover source pump, one cover is special idle call unit, one cover is special hot water unit, generally two cover systems are fully independent, refrigeration duty now is significantly higher than the building of thermic load, adopt the cooling tower auxiliary cooling in the part situation, but such system Shortcomings still: one, the supplying hot water unit does not participate in cooling heating work the whole year, obviously relatively wastes at aspects such as system configuration and pipe laying quantity; Two, cooling tower auxiliary heat dissipation easily produces noise and tropical island effect, and not attractive in appearance; The three in commercial contour level building, installs cooling tower without correct position.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of earth source heat pump combined supply system, fully carry out cooling, supply warm supplying hot water in conjunction with ground source heat, and carry out auxiliary heat dissipation by the outer outdoor swimming pool of building, guarantee that temperature control and the structure of hot water supply arranges rationally.
The technical solution of the utility model is:
The earth source heat pump combined supply system, include air conditioning terminal, reclaiming type water source heat pump units, air-conditioning water source heat pump units, water source heat pump units domestic hot-water's case, outdoor swimming pool, connect above equipment pipeline, be arranged at a plurality of control valves and a plurality of interstage valve on pipeline.
Described air conditioning terminal and Air-conditioning Cycle water pump, the first control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 3rd control valve circulates successively and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Source, described ground heat-exchange system and source, ground water circulating pump, the 5th control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 7th control valve circulates successively and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Described domestic hot-water's case and domestic hot-water's water circulating pump, heat recovery type water source heat pump unit heat end, the 5th interstage valve circulates successively and is connected;
Described outdoor swimming pool, swimming pool water circulating pump, the second interstage valve, heat recovery type water source heat pump unit heat the end connection that circulates successively.
Described heat recovery type water source heat pump unit is including the first compressor, the first condenser, first throttle device, the first evaporimeter and heat recovering heat exchanger, the connection that circulates successively of described the first compressor, the first condenser, first throttle device and the evaporimeter of being connected, described the first compressor, heat recovering heat exchanger, first throttle device and the evaporimeter of the being connected connection that circulates successively; Described domestic hot-water's case circulates successively with domestic hot-water's water circulating pump, heat recovering heat exchanger, the 5th interstage valve and is connected; The connection that circulates successively of described outdoor swimming pool, swimming pool water circulating pump, the second interstage valve, the first condenser; Described the first evaporimeter is as the refrigeration end of heat recovery type water source heat pump unit.
Described air-conditioning water source heat pump units comprises the second compressor, the second condenser, the second throttling arrangement and the second evaporimeter that circulation successively connects, the second condenser is as the end that heats of air-conditioning water source heat pump units, and the second evaporimeter is as the refrigeration end of air-conditioning water source heat pump units.
Be connected in feed pipe on described domestic hot-water's case.
Advantage of the present utility model:
(1), the utility model structure arranges rationally, integrate air conditioner refrigerating, for warm three kinds of functions of supplying hot water, take full advantage of water source heat pump units in combination heat energy for the building cooling, for warm supplying hot water, take full advantage of geothermal energy, reduced the energy consumption of air-conditioning and supplying hot water, energy-conserving and environment-protective;
(2), because the water temperature in boiler needs to arrange according to artificial serviceability temperature, the heat energy that produces after not all geothermal source and water source heat pump units work can utilize, so the utility model adopts outdoor swimming pool as the natural cold source of heat radiation in summer, guaranteed the temperature of system's supplying hot water, and waste heat discharge is rational in infrastructure, easily arranges.
The utility model is simple in structure, can be according to opening and closing corresponding control valve and interstage valve different seasons, realize relevant function utilization, guaranteed that the utility model can freeze in summer, can reclaim used heat and prepare the domestic hot-water in refrigeration, can heat winter, can prepare the domestic hot-water winter, spring and autumn can prepare the domestic hot-water, save to greatest extent the equipment installed capacity, need not the cooling tower systems auxiliary heat dissipation, energy-conserving and environment-protective, the places such as extensive use and hotel, hotel, hospital, dwelling house, business.
Description of drawings
Fig. 1 is structural representation of the present utility model, wherein, the 1-air conditioning terminal, 2-domestic hot-water case, 3-domestic hot-water water circulating pump, 4-Air-conditioning Cycle water pump, 5-the first control valve, 6-the second control valve, 7-the 3rd control valve, 8-the 4th control valve, 9-the 5th control valve, 10-the 6th control valve, 11-the 7th control valve, 12-the 8th control valve, 13-the first interstage valve, 14-the second interstage valve, 15-the 3rd interstage valve, 16-the 4th interstage valve, 17-the 5th interstage valve, 18-heat recovery type water source heat pump unit, the 19-heat recovering heat exchanger, 20-the first evaporimeter, 21-the first condenser, 22-air-conditioning water source heat pump units, 23-the second evaporimeter, 24-the second condenser, source, 25-ground water circulating pump, source, 26-ground heat-exchange system, 27-the first compressor, 28-first throttle device, 29-the second compressor, 30-the second throttling arrangement, 31-swimming pool water circulating pump, the outdoor swimming pool of 32-.
Fig. 2 is the structural representation of the utility model heat recovery type water source heat pump unit.
Fig. 3 is the structural representation of the utility model air-conditioning water source heat pump units.
The specific embodiment
One, see Fig. 1, the earth source heat pump combined supply system, include air conditioning terminal 1, source heat-exchange system 26, heat recovery type water source heat pump unit 18, air-conditioning water source heat pump units 22, domestic hot-water's case 2, outdoor swimming pool 32, connect above equipment pipeline, be arranged at eight control valves and five interstage valves on pipeline;
See Fig. 2, heat recovery type water source heat pump unit 18 is including the first compressor 27, the first condenser 21, first throttle device 28, the first evaporimeter 20 and heat recovering heat exchanger 19, the connection that circulates successively of the first compressor 27, the first condenser 21, first throttle device 28 and the evaporimeter 20 of being connected, the first compressor 27, heat recovering heat exchanger 19, first throttle device 28 and the evaporimeter 20 of the being connected connection that circulates successively;
See Fig. 3, air-conditioning water source heat pump units 22 comprises the second compressor 29, the second condenser 24, the second throttling arrangement 30 and the second evaporimeter 23 that circulation successively connects,
See Fig. 1, air conditioning terminal 1 circulates successively with Air-conditioning Cycle water pump 4, the first control valve 5, the 4th interstage valve 16, the second condenser 24, the 3rd control valve 7 and is connected; Air conditioning terminal 1 circulates successively with Air-conditioning Cycle water pump 4, the second control valve 6, the first interstage valve 13, the first evaporimeter 20, the 4th control valve 8 and is connected; Air conditioning terminal 1 circulates successively with Air-conditioning Cycle water pump 4, the second control valve 6, the 3rd interstage valve 15, the second evaporimeter 23, the 4th control valve 8 and is connected;
See Fig. 1, source, ground heat-exchange system 26 circulates successively with source, ground water circulating pump 25, the 5th control valve 9, the 4th interstage valve 16, the second condenser 24, the 7th control valve 11 and is connected; Source, ground heat-exchange system 26 circulates successively with source, ground water circulating pump 25, the 6th control valve 10, the first interstage valve 13, the first evaporimeter 20, the 8th control valve 12 and is connected; Source, ground heat-exchange system 26 circulates successively with source, ground water circulating pump 25, the 6th control valve 10, the 3rd interstage valve 15, the second evaporimeter 23, the 8th control valve 12 and is connected;
See Fig. 1, domestic hot-water's case 2 circulates successively with domestic hot-water's water circulating pump 3, heat recovering heat exchanger 19, the 5th interstage valve 17 and is connected, and is connected in feed pipe 33 on domestic hot-water's case 2;
See Fig. 1, the connection that circulates successively of outdoor swimming pool 32, swimming pool water circulating pump 31, the second interstage valve 14, the first condenser 21.
Two, see Fig. 1, the control method of earth source heat pump combined supply system comprises following control mode:
(1), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration mode:
open heat recovery type water source heat pump unit 18, Air-conditioning Cycle water pump 4, swimming pool water circulating pump 31, the second control valve 6, the 4th control valve 8, the first interstage valve 13 and the second interstage valve 14, at first air conditioning terminal 1 will be with the refrigerating medium of heat through Air-conditioning Cycle water pump 4, the second control valve 6, the first interstage valve 13 transfers heat to the first evaporimeter 20 of heat recovery type water source heat pump unit 18, and with heat recovery type water source heat pump unit 18 in the cold-producing medium heat exchange, then the 18 internal refrigeration storage circulations of process heat recovery type water source heat pump unit pass to the first condenser 21 with the heat of the first evaporimeter 20, the refrigerating medium of lowering the temperature after the first evaporimeter 20 heat exchange is passed air conditioning terminal 1 back through the 4th control valve 8 more successively, simultaneously with the first condenser 21 heat exchange after swimming-pool water be transferred in outdoor swimming pool 32, the kind of refrigeration cycle that is air conditioning terminal 1 is: 1 → 4 → 6 → 13 → 20 → 8 → 1, the internal refrigeration storage circulation of heat recovery type water source heat pump unit 18 is: 27 → 21 → 28 → 20, the heat exchange circulation of outdoor swimming pool is: 32 → 31 → 14 → 21 → 32,
(2), the air-conditioning water source heat pump units is to the air conditioning terminal refrigeration mode:
open air-conditioning water source heat pump units 22, Air-conditioning Cycle water pump 4, source water circulating pump 25, the second control valve 6, the 4th control valve 8, the 5th control valve 9, the 7th control valve 11, the 3rd interstage valve 15 and the 4th interstage valve 16, at first air conditioning terminal 1 will be with the refrigerating medium of heat through Air-conditioning Cycle water pump 4, the second control valve 6, the 3rd interstage valve 15 transfers heat to the second evaporimeter 23 of water source heat pump units, and with air-conditioning water source heat pump units 22 in the cold-producing medium heat exchange, then the 22 internal refrigeration storage circulations of process air-conditioning water source heat pump units pass to the second condenser 24 with the heat of the second evaporimeter 23, the refrigerating medium of lowering the temperature after the second evaporimeter 23 heat exchange is passed air conditioning terminal 1 back through the 4th control valve 8 more successively, simultaneously successively by source, ground water circulating pump 25, the 5th control valve 9, the 4th interstage valve 16 enters the GEOTHERMAL WATER that heats up after the second condenser 24 and the second condenser 24 heat exchange and transfers back in source, ground heat-exchange system 26 through the 7th control valve 11, the kind of refrigeration cycle that is air conditioning terminal 1 is: 1 → 4 → 6 → 15 → 23 → 8 → 1, the internal refrigeration storage circulation of air-conditioning water source heat pump units 22 is: 29 → 24 → 30 → 23, the kind of refrigeration cycle of ground source is: 26 → 25 → 9 → 16 → 24 → 11 → 26,
(3), the heat recovery type water source heat pump unit is to the air conditioning terminal refrigeration hot water preparation mode of holding concurrently:
open heat recovery type water source heat pump unit 18, Air-conditioning Cycle water pump 4, domestic hot-water's water circulating pump 3, the second control valve 6, the 4th control valve 8, the first interstage valve 13 and the 5th interstage valve 17, at first air conditioning terminal 1 is will be with the refrigerating medium of heat through Air-conditioning Cycle water pump 4, the second control valve 6, the first interstage valve 13 transfers heat to the first evaporimeter 20 of heat recovery type water source heat pump unit 18, and with heat recovery type water source heat pump unit 18 in the cold-producing medium heat exchange, then the 18 internal refrigeration storage circulations of process heat recovery type water source heat pump unit pass to heat recovering heat exchanger 19 with the heat of the first evaporimeter 20, the refrigerating medium of lowering the temperature after the first evaporimeter 20 heat exchange is passed air conditioning terminal 1 back through the 4th control valve 8 more successively, simultaneously by domestic hot-water's water circulating pump 3 enter heat recovering heat exchanger 19 and with heat recovering heat exchanger 19 heat exchange after the hot water that heats up transfer back in domestic hot-water's case 2 through the 5th interstage valve 17 again, the kind of refrigeration cycle that is air conditioning terminal 1 is: 1 → 4 → 6 → 13 → 20 → 8 → 1, the internal refrigeration storage circulation of heat recovery type water source heat pump unit 18 is: 27 → 19 → 28 → 20, the heat exchange circulation of domestic hot-water's side is: 2 → 3 → 19 → 17 → 2,
(4), source heat-exchange system/air-conditioning water source heat pump units is to the air conditioning and heating pattern:
open air-conditioning water source heat pump units 22, source water circulating pump 25, Air-conditioning Cycle water pump 4, the first control valve 5, the 3rd control valve 7, the 6th control valve 10, the 8th control valve 12, the 3rd interstage valve 15 and the 4th interstage valve 16, primarily in source heat-exchange system 26 with the GEOTHERMAL WATER of heat successively through source, ground water circulating pump 25, the 6th control valve 10, the 3rd interstage valve 15 passes to the second evaporimeter 23, and with air-conditioning water source heat pump units 22 in the cold-producing medium heat exchange, then the 22 internal refrigeration storage circulations of process air-conditioning water source heat pump units pass to the second condenser 24 with the heat of the second evaporimeter 23, the GEOTHERMAL WATER of lowering the temperature after the second evaporimeter 23 heat exchange is passed back in source, ground heat-exchange system 26 through the 8th control valve 12 again, simultaneously successively by Air-conditioning Cycle water pump 4, the first control valve 5, the 4th interstage valve 16 enters the refrigerating medium that heats up after the second condenser 24 and the second condenser 24 heat exchange and transfers back to air conditioning terminal 1 through the 3rd control valve 7 again, heat, i.e. the heat exchange of source circulation is: 26 → 25 → 10 → 15 → 23 → 12 → 26, the inside heat pump cycle of air-conditioning water source heat pump units 22 is: 29 → 24 → 30 → 23, the heating circulation of user's side is: 1 → 4 → 5 → 16 → 24 → 7 → 1,
(5), source heat-exchange system/heat recovery type water source heat pump unit hot water preparation mode:
open heat recovery type water source heat pump unit 18, source water circulating pump 25, domestic hot-water's water circulating pump 3, the 6th control valve 10, the 8th control valve 12, the first interstage valve 13 and the 5th interstage valve 17, primarily in source heat-exchange system 26 with the GEOTHERMAL WATER of heat successively through the 6th control valve 10, the first interstage valve 13 passes to the first evaporimeter 20, and with heat recovery type water source heat pump unit 18 in the cold-producing medium heat exchange, then the 18 internal refrigeration storage circulations of process heat recovery type water source heat pump unit pass to heat recovering heat exchanger 19 with the heat of the first evaporimeter 20, the GEOTHERMAL WATER of lowering the temperature after the first evaporimeter 20 heat exchange is passed back in source, ground heat-exchange system 26 through the 8th control valve 12 again, simultaneously by domestic hot-water's water circulating pump 3 enter heat recovering heat exchanger 19 and with heat recovering heat exchanger 19 heat exchange after the hot water that heats up transfer back in domestic hot-water's case 2 through the 5th interstage valve 17 again, namely the kind of refrigeration cycle of source is: 26 → 25 → 10 → 13 → 20 → 12 → 26, the inside heat pump cycle of heat recovery type water source heat pump unit 18 is: 27 → 21 → 28 → 20, the circulation that heats of domestic hot-water's side is: 2 → 3 → 19 → 17 → 2,
(6), hot water preparation and heating mixed mode: step (4) and step (5) are opened the control use simultaneously.
Claims (4)
1. earth source heat pump combined supply system, include air conditioning terminal, source heat-exchange system, water source heat pump units domestic hot-water's case, connect above equipment pipeline, be arranged at a plurality of control valves and a plurality of interstage valve on pipeline, it is characterized in that: described earth source heat pump combined supply system also includes outdoor swimming pool; Described water source heat pump units comprises heat recovery type water source heat pump unit and air-conditioning water source heat pump units;
Described air conditioning terminal and Air-conditioning Cycle water pump, the first control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 3rd control valve circulates successively and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Described air conditioning terminal circulates successively with refrigeration end, the 4th control valve of Air-conditioning Cycle water pump, the second control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Source, described ground heat-exchange system and source, ground water circulating pump, the 5th control valve, the 4th interstage valve, air-conditioning water source heat pump units heat end, the 7th control valve circulates successively and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the first interstage valve, heat recovery type water source heat pump unit and is connected; Source, described ground heat-exchange system circulates successively with refrigeration end, the 8th control valve of source, ground water circulating pump, the 6th control valve, the 3rd interstage valve, air-conditioning water source heat pump units and is connected;
Described domestic hot-water's case and domestic hot-water's water circulating pump, heat recovery type water source heat pump unit heat end, the 5th interstage valve circulates successively and is connected;
Described outdoor swimming pool, swimming pool water circulating pump, the second interstage valve, heat recovery type water source heat pump unit heat the end connection that circulates successively.
2. earth source heat pump combined supply system according to claim 1, it is characterized in that: described heat recovery type water source heat pump unit is including the first compressor, the first condenser, first throttle device, the first evaporimeter and heat recovering heat exchanger, the connection that circulates successively of described the first compressor, the first condenser, first throttle device and the evaporimeter of being connected, described the first compressor, heat recovering heat exchanger, first throttle device and the evaporimeter of the being connected connection that circulates successively; Described domestic hot-water's case circulates successively with domestic hot-water's water circulating pump, heat recovering heat exchanger, the 5th interstage valve and is connected; The connection that circulates successively of described outdoor swimming pool, swimming pool water circulating pump, the second interstage valve, the first condenser; Described the first evaporimeter is as the refrigeration end of heat recovery type water source heat pump unit.
3. earth source heat pump combined supply system according to claim 1, it is characterized in that: described air-conditioning water source heat pump units comprises the second compressor, the second condenser, the second throttling arrangement and the second evaporimeter that circulation successively connects, the second condenser is as the end that heats of air-conditioning water source heat pump units, and the second evaporimeter is as the refrigeration end of air-conditioning water source heat pump units.
4. earth source heat pump combined supply system according to claim 1, is characterized in that: be connected in feed pipe on described domestic hot-water's case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220691482.6U CN202993657U (en) | 2012-12-14 | 2012-12-14 | Ground source heat pump triple generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220691482.6U CN202993657U (en) | 2012-12-14 | 2012-12-14 | Ground source heat pump triple generation system |
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| CN202993657U true CN202993657U (en) | 2013-06-12 |
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| CN201220691482.6U Expired - Fee Related CN202993657U (en) | 2012-12-14 | 2012-12-14 | Ground source heat pump triple generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997495A (en) * | 2012-12-14 | 2013-03-27 | 安徽日源环保能源科技有限公司 | Tri-generation system of ground-source heat pump and control method thereof |
| CN104236179A (en) * | 2014-09-25 | 2014-12-24 | 昆山特佳高美绿能科技有限公司 | Hydraulic exchange energy-saving device of ground source heat pump air conditioning unit |
-
2012
- 2012-12-14 CN CN201220691482.6U patent/CN202993657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997495A (en) * | 2012-12-14 | 2013-03-27 | 安徽日源环保能源科技有限公司 | Tri-generation system of ground-source heat pump and control method thereof |
| CN104236179A (en) * | 2014-09-25 | 2014-12-24 | 昆山特佳高美绿能科技有限公司 | Hydraulic exchange energy-saving device of ground source heat pump air conditioning unit |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: ANHUI RIYUAN ENERGY-SAVING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ANHUI RIYUAN ENVIRONMENT PROTECTION ENERGY SCI. + TECH. CO., LTD. Effective date: 20150720 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150720 Address after: 230061 Anhui province Hefei city Luyang District Fuyang road and Guzhen road junction Junjie Jiahe Building 1 building 10 layer Patentee after: Anhui daily energy saving Polytron Technologies Inc Address before: High tech Zone Hefei city Anhui province 230088 Wangjiang Road, No. 535 Wen building 8 floor Patentee before: Anhui Riyuan Environmental Protection Energy Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20201214 |