CN218348888U - Deep well double-loop purification recharge and water supplement system - Google Patents
Deep well double-loop purification recharge and water supplement system Download PDFInfo
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- CN218348888U CN218348888U CN202222489227.XU CN202222489227U CN218348888U CN 218348888 U CN218348888 U CN 218348888U CN 202222489227 U CN202222489227 U CN 202222489227U CN 218348888 U CN218348888 U CN 218348888U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 428
- 238000000746 purification Methods 0.000 title claims abstract description 14
- 239000013589 supplement Substances 0.000 title claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000011001 backwashing Methods 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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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
- Y02E10/10—Geothermal energy
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Abstract
The deep well double-loop purification recharge and water supplement system comprises a first deep well, a second deep well, a shallow well, a water supply filter, a water source heat pump unit and a recharge filter, wherein the water inlet end of the first deep well and the water supply filter is connected through a first water supply pipeline, the water inlet end of the second deep well and the water supply filter is connected through a second water supply pipeline, the water outlet end of the water supply filter and the water inlet end of the water source heat pump unit are connected through a third water supply pipeline, the water outlet end of the water source heat pump unit and the water inlet end of the recharge filter are connected through a first water return pipeline, the water outlet end of the recharge filter and the first deep well are connected through a second water return pipeline, the water outlet end of the recharge filter and the second deep well are connected through a third water return pipeline, and the water inlet end of the shallow well and the recharge filter are connected through a water supplement pipeline. The utility model relates to a science, it is rational in infrastructure, can realize two return circuits work in turn, it is with low costs, have purification, moisturizing and back flush function.
Description
Technical Field
The utility model relates to a geothermal water resource utilization technical field, specific theory relates to a deep well double circuit purifies recharge and water charging system.
Background
Geothermal water is a renewable energy source, and has the advantages of wide distribution, low cost, easy exploitation, cleanness, direct utilization and the like. Normally, geothermal water is pumped out from a water supply well and is heated and utilized and then is recharged to the ground through a water return well, however, after the water supply well and the recharge well are used for a period of time, the water level in the well can not be recovered in time, the geothermal water can be continuously utilized after stopping for a period of time, the geothermal water is pumped out and utilized and then is lost, the recharged water amount is smaller than the pumped water amount, the underground water level can not be effectively compensated, in addition, the geothermal water has more impurities after being pumped out, a filter is generally arranged on a pipeline to filter the geothermal water, and the pipeline and the filter are easy to block after a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deep well double circuit purifies recharge and water charging system, the utility model relates to a science, rational in infrastructure can realize double circuit alternative work, and is with low costs, has purification, moisturizing and back flush function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a deep well double-loop purification recharge and water supplement system comprises a first deep well, a second deep well, a shallow well, a water supply filter, a water source heat pump unit and a recharge filter, wherein the first deep well is connected with the water inlet end of the water supply filter through a first water supply pipeline, the second deep well is connected with the water inlet end of the water supply filter through a second water supply pipeline, the water outlet end of the water supply filter is connected with the water inlet end of the water source heat pump unit through a third water supply pipeline, the water outlet end of the water source heat pump unit is connected with the water inlet end of the recharge filter through a first water return pipeline, the water outlet end of the recharge filter is connected with the first deep well through a second water return pipeline, the water outlet end of the recharge filter is connected with the second deep well through a third water return pipeline, the shallow well is connected with the water inlet end of the recharge filter through a water supplement pipeline, the first deep well, the first water supply pipeline, the water supply filter, the water source heat pump unit, the first water return pipeline, the second water return pipeline and the second water return pipeline.
The first deep well is vertically arranged, the second deep well is obliquely arranged, and the well mouth of the first deep well and the well mouth of the second deep well are arranged adjacently at intervals left and right.
The water inlet end of the first water supply pipeline is connected with a first deep well, the water outlet end of the first water supply pipeline is connected with the water inlet end of the water supply filter, a first check valve, a first water meter, a first valve, a first suction pump and a second valve are sequentially arranged on the first water supply pipeline along the liquid flowing direction, the water inlet end of the second water supply pipeline is connected with a second deep well, the water outlet end of the second water supply pipeline is connected with the first water supply pipeline between the first suction pump and the first valve, a second check valve, a second water meter and a third valve are sequentially arranged on the second water supply pipeline along the liquid flowing direction, a fourth valve is arranged on the third water supply pipeline, a fifth valve is arranged on the first deep well, the water inlet end of the water replenishing pipeline is connected with a shallow well, a sixth valve and a second suction pump are sequentially arranged on the water replenishing pipeline along the liquid flowing direction, the water inlet end of the second water return pipeline is connected with the water outlet end of the recharge filter, the water outlet end of the second water return pipeline is connected with the first water supply pipeline between the first deep well and the first water supply pipeline, a seventh valve and a ninth water return pipeline are sequentially arranged on the second water return pipeline, a seventh water return pipeline along the liquid flowing direction, a seventh valve and a ninth water return pipeline.
The water supply filter and the recharge filter are internally provided with filter screens/filter elements.
A first backwashing pipeline is connected between the water outlet end of the water supply filter and the first water supply pipeline, the water inlet end of the first backwashing pipeline is connected on the first water supply pipeline between the first water suction pump and the second valve, a tenth valve is arranged on the first backwashing pipeline, the water inlet end of the water supply filter is connected with a first sewage discharge pipe, and an eleventh valve is arranged on the first sewage discharge pipe.
A second back flushing pipeline is connected between the water outlet end of the water supply filter and the first water return pipeline, the water outlet end of the second back flushing pipeline is connected to a second water return pipeline between the seventh valve and the third water meter, a twelfth valve is arranged on the second back flushing pipeline, the water inlet end of the recharging filter is connected with a second sewage discharge pipe, and a thirteenth valve is arranged on the second sewage discharge pipe.
The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model discloses a theory of operation does: initially, a first deep well is used as a water supply well, a second deep well is used as a recharge well, a first valve, a second valve, a fourth valve, a fifth valve, a sixth valve, a seventh valve and a ninth valve are opened, the first loop is communicated to work, a first water pump and a second water pump are started, geothermal water in the first deep well is pumped out by the first water pump and is pumped into a water supply filter through a first water supply pipeline, the geothermal water is subjected to multiple filtration by a filter screen/filter element of the water supply filter and then is discharged, the geothermal water enters a water source heat pump unit through a third water supply pipeline, heat energy of the geothermal water is transferred to cold water in the water source heat pump unit, the heated cold water is supplied to a user, the heat energy of the geothermal water is utilized, the geothermal water is discharged from the water source heat pump unit and enters the recharge filter through a first water return pipeline, the geothermal water is subjected to multiple filtration by the filter screen/filter element of the recharge filter and then is discharged, pumping the ground water from the shallow well into a recharge filter through a water supplementing pipeline, regulating the flow rate of the second water pump according to the first water meter and the fourth water meter to balance the water pumped from the first deep well and the water recharged to the second deep well so as to compensate the underground water level of the deep well layer, lowering the water level of the first deep well to a certain depth and raising the water level of the second deep well to a certain depth, taking the first deep well as the recharge well and the second deep well as the water supply well, and opening a third valve and a second valve to ensure normal operation, the geothermal water is discharged from the water source heat pump unit and enters a recharge filter through a first water return pipeline, the geothermal water is discharged after being subjected to multiple filtration through the filter screen/filter element of the recharge filter, and is recharged into the first deep well through the second water return pipeline and the first water supply pipeline, the water recharged into the first deep well is heated to an initial state under the action of geothermal heat, and after a period of time, the first deep well and the second deep well are exchanged for use, so that the first loop and the second loop work alternately, and geothermal heat is continuously utilized.
The first deep well is vertically arranged, the second deep well is obliquely arranged, the well mouth of the first deep well and the well mouth of the second deep well are arranged adjacently at intervals left and right, the overall pipeline length of the first loop and the second loop can be reduced, and the pipeline connection cost is reduced.
The utility model discloses a water supply filter and recharge filter after long-time filtering operation, the inside filter screen/filter core of water supply filter and recharge filter just can deposit impurity, for preventing the jam, just need carry out the back flush to the inside filter screen/filter core of water supply filter and recharge filter, at this moment, open first valve, the seventh valve, the tenth valve, the eleventh valve, twelfth valve and thirteenth valve, all the other valves are all closed, start first suction pump, geothermal water in first deep well is gone into the water supply filter through first water supply pipeline and first back flush pipeline via the outlet end pump of water supply filter, make geothermal water carry out the back flush to the inside filter screen/filter core of water supply filter, geothermal water discharges the inside impurity of water supply filter via first blowdown pipe, while geothermal water in first suction pump will first water supply pipeline, first geothermal water supply pipeline and second backwash pipeline go into the recharge filter via the outlet end pump of recharge filter, make geothermal water supply filter carry out the back flush to the inside filter screen/filter screen of filter, the geothermal water supply filter is discharged via first water supply pipeline and the back flush pipeline, wherein the back flush filter is discharged to the filter via the inside back flush valve of second drain valve of second water supply filter, wherein all the back flush valve is opened to the filter valve, the twelfth filter, the filter and the filter of the filter can also make all the back flush filter of the back flush valve of the filter via the back flush valve, the filter of the back flush valve of the pump.
To sum up, the utility model has the advantages of scientific design, reasonable structure, low cost, and has the functions of purification, water supplement and back flush, and can realize the alternate work of double loops.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, the deep well double-loop purification recharge and water supplement system comprises a first deep well 1, a second deep well 2, a shallow well 3, a water supply filter 4, a water source heat pump unit 5 and a recharge filter 6, wherein the first deep well 1 is connected with the water inlet end of the water supply filter 4 through a first water supply pipeline 7, the second deep well 2 is connected with the water inlet end of the water supply filter 4 through a second water supply pipeline 8, the water outlet end of the water supply filter 4 is connected with the water inlet end of the water source heat pump unit 5 through a third water supply pipeline 9, the water outlet end of the water source heat pump unit 5 is connected with the water inlet end of the recharge filter 6 through a first water return pipeline 10, the water outlet end of the recharge filter 6 is connected with the first deep well 1 through a second water return pipeline 11, the water outlet end of the recharge filter 6 is connected with the second deep well 2 through a third water return pipeline 12, the shallow well 3 is connected with the water inlet end of the recharge filter 6 through a water supplement pipeline 13, the first deep well 1, the first water supply pipeline 7, the water supply filter 4, the third water supply pipeline 9, the water source heat pump unit 5, the first water return pipeline 10, the second water return pipeline 11 and the second water return pipeline 11, the second water return pipeline 11 form a water supply loop 6, the water supply loop 5, the water supply filter 2, the third water return pipeline 10, the water supply filter 6, the water supply loop 6 and the second water return pipeline 10, the water return pipeline 10.
The first deep well 1 is arranged vertically, the second deep well 2 is arranged obliquely, and the well mouth of the first deep well 1 and the well mouth of the second deep well 2 are arranged adjacently at intervals.
The water inlet end of the first water supply pipeline 7 is connected with the first deep well 1, the water outlet end of the first water supply pipeline 7 is connected with the water inlet end of the water supply filter 4, a first check valve 14, a first water meter 15, a first valve 16, a first water suction pump 17 and a second valve 18 are sequentially arranged on the first water supply pipeline 7 along the liquid flow direction, the water inlet end of the second water supply pipeline 8 is connected with the second deep well 2, the water outlet end of the second water supply pipeline 8 is connected with the first water supply pipeline 7 between the first water suction pump 17 and the first valve 16, a second check valve 19, a second water meter 20 and a third valve 21 are sequentially arranged on the second water supply pipeline 8 along the liquid flow direction, a fourth valve 22 is arranged on the third water supply pipeline 9, a fifth valve 23 is arranged on the first water return pipeline 10, the water inlet end of the water supplement pipeline 13 is connected with the shallow well 3, a sixth valve 24 and a second water suction pump 25 are sequentially arranged on the water supplement pipeline 13 along the liquid flow direction, the water return pipeline 11 is connected with the water return pipeline 26, a water return valve 26 is sequentially arranged between the third water return pipeline 11 and the water return pipeline 12, a water return pipeline 26 is connected between the water return pipeline 14 and the water return pipeline 12.
The feed water filter 4 and the recharge filter 6 are internally provided with a strainer/cartridge 31.
A first back-flushing pipeline 32 is connected between the water outlet end of the water supply filter 4 and the first water supply pipeline 7, the water inlet end of the first back-flushing pipeline 32 is connected to the first water supply pipeline 7 between the first water suction pump 17 and the second valve 18, a tenth valve 33 is arranged on the first back-flushing pipeline 32, a first sewage discharge pipe 34 is connected to the water inlet end of the water supply filter 4, and an eleventh valve 35 is arranged on the first sewage discharge pipe 34.
A second back-flushing pipeline 36 is connected between the water outlet end of the water supply filter 4 and the first water return pipeline 10, the water outlet end of the second back-flushing pipeline 36 is connected to the second water return pipeline 11 between the seventh valve 26 and the third water meter 27, a twelfth valve 37 is arranged on the second back-flushing pipeline 36, a second sewage discharge pipe 38 is connected to the water inlet end of the recharging filter 6, and a thirteenth valve 39 is arranged on the second sewage discharge pipe 38.
The water source heat pump unit 5, the water supply filter 4 and the recharge filter 6 are conventional technologies, and specific structures and working principles are not described in detail.
The utility model discloses a theory of operation does: initially, the first deep well 1 is used as a water supply well, the second deep well 2 is used as a recharge well, the first valve 16, the second valve 18, the fourth valve 22, the fifth valve 23, the sixth valve 24, the seventh valve 26 and the ninth valve 30 are opened, the other valves are closed, the first loop is communicated to work, the first water pump 17 and the second water pump 25 are started, the geothermal water in the first deep well 1 is pumped out by the first water pump 17 and is pumped into the water supply filter 4 through the first water supply pipeline 7, the geothermal water is subjected to multiple filtration by the filter screen/filter core 31 of the water supply filter 4 and then enters the water source heat pump unit 5 through the third water supply pipeline 9, the geothermal water transfers heat energy to cold water in the water source heat pump unit 5, the heated cold water is supplied to a user, the heat energy of the geothermal water is utilized, the geothermal water is discharged from the water source heat pump unit 5 and enters the recharge filter 6 through the first water return pipeline 10, geothermal water is discharged after being subjected to multiple filtration by a filter screen/filter element 31 of a recharging filter 6, and is recharged into a second deep well 2 through a second water recharging pipeline 11 and a third water recharging pipeline 12, the water recharged into the second deep well 2 is heated to an initial state under the action of geothermal heat, wherein the second water suction pump 25 pumps underground water in a shallow well 3 and pumps the underground water into the recharging filter 6 through a water supplementing pipeline 13, the flow of the second water suction pump 25 is adjusted according to a first water meter 15 and a fourth water meter 29, so that the water quantity pumped out of the first deep well 1 and the water quantity recharged into the second deep well 2 are kept balanced, the underground water level of a deep well layer is compensated, when the first deep well works for a period of time, the water level in the first deep well 1 is lowered to a certain depth, and the water level in the second deep well 2 is raised to a certain depth, in order to ensure normal operation, the first deep well 1 is used as a recharging well, the second deep well 2 is used as a water supply well, the third valve 21, the second valve 18, the fourth valve 22, the fifth valve 23, the sixth valve 24, the seventh valve 26 and the eighth valve 28 are opened, the other valves are closed, the second loop is communicated to operate, the first water suction pump 17 pumps geothermal water in the second deep well 2 out and into the water supply filter 4 through the second water supply pipeline 8 and the first water supply pipeline 7, the geothermal water is subjected to multiple filtration through the filter screen/filter core 31 of the water supply filter 4 and then discharged, the deep well enters the water source heat pump unit 5 through the third water supply pipeline 9, the geothermal water transfers heat energy to cold water in the water source heat pump unit 5, the heated cold water is supplied to a user, the heat energy of the geothermal water is utilized, the geothermal water is discharged from the heat pump unit 5 and enters the recharging filter 6 through the first water return pipeline 10, the geothermal water is subjected to multiple filtration through the filter screen/filter core 31 of the recharging filter unit 6 and then discharged, the geothermal water is returned through the second water return pipeline 11 and the first water return pipeline 7, the geothermal water is returned to the first loop 1 and the first loop, the geothermal water return loop 1 and the geothermal water is used for a period of the first loop, and the geothermal water are used for a second loop.
The first deep well 1 is vertically arranged, the second deep well 2 is obliquely arranged, the well mouth of the first deep well 1 and the well mouth of the second deep well 2 are adjacently arranged at intervals left and right, the overall pipeline length of the first loop and the second loop can be reduced, and the pipeline connection cost is reduced.
The utility model discloses a water supply filter 4 and recharge filter 6 are after long-time filtering operation, the filter screen/filter core 31 inside water supply filter 4 and recharge filter 6 just can deposit impurity, in order to prevent to block up, just need to carry out the back flush to the filter screen/filter core 31 inside water supply filter 4 and recharge filter 6, at this moment, open first valve 16, seventh valve 26, tenth valve 33, eleventh valve 35, twelfth valve 37 and thirteenth valve 39, all the other valves are closed, start first suction pump 17, first suction pump 17 passes through the geothermal water in first deep well 1 in first water supply pipeline 7 and first back flush pipeline 32 pump to water supply filter 4 via the water outlet end of water supply filter 4 in, make geothermal water carry out the back flush to the filter screen/filter core 31 inside water supply filter 4, the geothermal water discharges impurities inside the water supply filter 4 through the first drain pipe 34, meanwhile, the first water pump 17 pumps the geothermal water in the first deep well 1 into the recharge filter 6 through the first water supply pipeline 7, the first backwashing pipeline 32 and the second backwashing pipeline 36 via the water outlet end of the recharge filter 6, so that the geothermal water backwashes the filter screen/filter element 31 inside the recharge filter 6, and the geothermal water discharges the impurities inside the recharge filter 6 through the second drain pipe 38, wherein the geothermal water in the second deep well 2 pumped by the first water pump 17 can backwash the filter screen/filter element 31 inside the water supply filter 4 and the recharge filter 6, and only the third valve 21, the seventh valve 26, the tenth valve 33, the eleventh valve 35, the twelfth valve 37 and the thirteenth valve 39 need to be opened, and the rest valves are closed.
The above embodiments are only used for illustrating but not limiting the technical solution of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (6)
1. Deep well double-loop purification recharge and water supplement system, its characterized in that: the water supply system comprises a first deep well, a second deep well, a shallow well, a water supply filter, a water source heat pump unit and a recharge filter, wherein the first deep well is connected with the water inlet end of the water supply filter through a first water supply pipeline, the second deep well is connected with the water inlet end of the water supply filter through a second water supply pipeline, the water outlet end of the water supply filter is connected with the water inlet end of the water source heat pump unit through a third water supply pipeline, the water outlet end of the water source heat pump unit is connected with the water inlet end of the recharge filter through a first water return pipeline, the water outlet end of the recharge filter is connected with the first deep well through a second water return pipeline, the water outlet end of the recharge filter is connected with the second deep well through a third water return pipeline, the shallow well is connected with the water inlet end of the recharge filter through a water supplementing pipeline, the first deep well, the first water supply pipeline, the water supply filter, the third water supply pipeline, the water supply filter, the first water supply pipeline, the first water return pipeline, the second water supply pipeline, the recharge filter, the third water return pipeline and the first water return pipeline.
2. The deep well dual-circuit purification recharge and recharge system of claim 1, wherein: the first deep well is vertically arranged, the second deep well is obliquely arranged, and the well mouth of the first deep well and the well mouth of the second deep well are arranged adjacently at intervals left and right.
3. The deep well dual-circuit purification recharge and recharge system of claim 1, wherein: the water inlet end of the first water supply pipeline is connected with a first deep well, the water outlet end of the first water supply pipeline is connected with the water inlet end of the water supply filter, a first check valve, a first water meter, a first valve, a first suction pump and a second valve are sequentially arranged on the first water supply pipeline along the liquid flowing direction, the water inlet end of the second water supply pipeline is connected with a second deep well, the water outlet end of the second water supply pipeline is connected with the first water supply pipeline between the first suction pump and the first valve, a second check valve, a second water meter and a third valve are sequentially arranged on the second water supply pipeline along the liquid flowing direction, a fourth valve is arranged on the third water supply pipeline, a fifth valve is arranged on the first deep well, the water inlet end of the water replenishing pipeline is connected with a shallow well, a sixth valve and a second suction pump are sequentially arranged on the water replenishing pipeline along the liquid flowing direction, the water inlet end of the second water return pipeline is connected with the water outlet end of the recharge filter, the water outlet end of the second water return pipeline is connected with the first water supply pipeline between the first deep well and the first water supply pipeline, a seventh valve and a ninth water return pipeline are sequentially arranged on the second water return pipeline, a seventh water return pipeline along the liquid flowing direction, a seventh valve and a ninth water return pipeline.
4. The deep well dual-circuit purification recharge and water replenishment system of claim 3, wherein: the water supply filter and the recharge filter are internally provided with filter screens/filter elements.
5. The deep well dual-circuit purification recharge and water replenishment system of claim 3, wherein: a first backwashing pipeline is connected between the water outlet end of the water supply filter and the first water supply pipeline, the water inlet end of the first backwashing pipeline is connected on the first water supply pipeline between the first water suction pump and the second valve, a tenth valve is arranged on the first backwashing pipeline, the water inlet end of the water supply filter is connected with a first sewage discharge pipe, and an eleventh valve is arranged on the first sewage discharge pipe.
6. The deep well dual-circuit purification recharge and water replenishment system of claim 3, wherein: a second back flushing pipeline is connected between the water outlet end of the water supply filter and the first water return pipeline, the water outlet end of the second back flushing pipeline is connected to a second water return pipeline between the seventh valve and the third water meter, a twelfth valve is arranged on the second back flushing pipeline, the water inlet end of the recharging filter is connected with a second sewage discharge pipe, and a thirteenth valve is arranged on the second sewage discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489227.XU CN218348888U (en) | 2022-09-20 | 2022-09-20 | Deep well double-loop purification recharge and water supplement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489227.XU CN218348888U (en) | 2022-09-20 | 2022-09-20 | Deep well double-loop purification recharge and water supplement system |
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| Publication Number | Publication Date |
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| CN218348888U true CN218348888U (en) | 2023-01-20 |
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| CN202222489227.XU Active CN218348888U (en) | 2022-09-20 | 2022-09-20 | Deep well double-loop purification recharge and water supplement system |
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| CN (1) | CN218348888U (en) |
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Effective date of registration: 20240123 Address after: 1103, 1st Floor, Zone E, Xianning Industrial Park, No. 8 Shuangqiao Road, Guanzhuang, Chaoyang District, Beijing, 100000 Patentee after: Beijing Zhongyingyuan Technology Co.,Ltd. Country or region after: China Address before: 456300 three frontage shops on the east side of the south section of Zaoxiang Avenue, Chengguan Town, Neihuang County, Anyang City, Henan Province Patentee before: Anyang Yuanying HVAC technology Co.,Ltd. Country or region before: China |