CN220664962U - Geothermal tail water vacuum auxiliary exhaust system - Google Patents
Geothermal tail water vacuum auxiliary exhaust system Download PDFInfo
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- CN220664962U CN220664962U CN202321964655.1U CN202321964655U CN220664962U CN 220664962 U CN220664962 U CN 220664962U CN 202321964655 U CN202321964655 U CN 202321964655U CN 220664962 U CN220664962 U CN 220664962U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000007872 degassing Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model relates to a geothermal tail water vacuum auxiliary exhaust system which comprises a vacuum tank, a vacuum pump and a gas-liquid separator, wherein the top of the vacuum tank is provided with a gas outlet and a geothermal water inlet, and the bottom of the vacuum tank is provided with a geothermal water recharging port; the top of the gas-liquid separator is provided with a mixing inlet and an air outlet respectively, the bottom of the gas-liquid separator is provided with a separation drain outlet, and a separation drain valve is fixedly arranged at the separation drain outlet; the gas outlet, the inlet of the vacuum pump, the outlet of the vacuum pump and the mixing inlet are sequentially communicated through pipelines. The utility model has the advantages of simple structure and reasonable design, and the geothermal tail water is degassed by utilizing the water ring vacuum system, so that the geothermal tail water degassing device has better degassing effect than the traditional degassing tank, reduces the gas content of the geothermal tail water, prevents the occurrence of recharging gas blockage, chemical reaction, pipeline corrosion and the like, and ensures the subsequent recharging pressure requirement by combining with a recharging pressurizing system.
Description
Technical Field
The utility model relates to the technical field of geothermal energy heat supply, in particular to a geothermal tail water vacuum auxiliary exhaust system.
Background
In geothermal energy heat supply, geothermal tail water recharging becomes an unavoidable and neglected problem, and almost becomes a key to success or failure of geothermal resource utilization technology. Certain gas is entrained in the back-filled tail water, and when the geothermal water has high gas content, due to the change of pressure and temperature, the dissolved gas can generate bubbles in the back-filled target thermal storage surrounding rock stratum in the actual flow. In addition, the biochemical reaction caused by temperature and pressure change can also generate gas substances, so that the permeability of the reservoir is reduced, recharging blocking is finally initiated, recharging capability of a recharging well is reduced, and the gas blocking is one of important influencing factors of tail water recharging blocking.
In order to prevent gas blockage, the traditional geothermal tail water exhaust device is provided with a degassing tank in front of a recharging well mouth, geothermal tail water enters a tank body, the flow rate of the geothermal tail water is rapidly reduced through the sudden expansion of the tank body, the pressure is reduced, the bubbles are forced to burst through the pressure difference formed by the pressure in the bubbles and the pressure in the tank, the gas is released and discharged through an exhaust valve, and the gas is prevented from entering the recharging well, so that the underground recharging water channel is blocked. Because of the action mechanism, the degassing effect of the degassing tank is related to a plurality of factors such as tail water gas content, degassing tank volume and the like, and the actual degassing effect is often not ideal.
Disclosure of Invention
The utility model aims to solve the technical problem in the prior art by providing a geothermal tail water vacuum auxiliary exhaust system.
The technical scheme for solving the technical problems is as follows:
the geothermal tail water vacuum auxiliary exhaust system comprises a vacuum tank, a vacuum pump and a gas-liquid separator, wherein the top of the vacuum tank is provided with a gas outlet and a geothermal water inlet, and the bottom of the vacuum tank is provided with a geothermal water recharging port; the top of the gas-liquid separator is provided with a mixing inlet and an air outlet respectively, the bottom of the gas-liquid separator is provided with a separation drain outlet, and a separation drain valve is fixedly arranged at the separation drain outlet;
the gas outlet, the inlet of the vacuum pump, the outlet of the vacuum pump and the mixing inlet are sequentially communicated through pipelines.
The beneficial effects of the utility model are as follows: in the process of exhausting, a geothermal water inlet of a geothermal tail water well is sent into a vacuum tank, a vacuum pump forms vacuum by utilizing circulation formed by water in a gas-liquid separator, and gas at the upper part in the vacuum tank is pumped away, so that a certain vacuum degree is formed in the vacuum tank; the pressure of the geothermal tail water is rapidly reduced after the geothermal tail water enters the vacuum tank, and the dissolved gas in the geothermal tail water is gradually separated out due to pressure difference cracking, so that the tail water gas content is reduced, and the degassing purpose is achieved;
the deaerated geothermal tail water is discharged through a geothermal water recharging port and recharged to a recharging well; the gas separated out from the vacuum tank is further pumped by a vacuum pump, and the gas discharged from the vacuum tank in a vacuum degree state is kept to enter a gas-liquid separator.
The utility model has simple structure and reasonable design, utilizes the water ring vacuum system to degas the geothermal tail water, has better degassing effect than the traditional degassing tank, reduces the gas content of the geothermal tail water, prevents the occurrence of recharging gas blockage, chemical reaction, pipeline corrosion and the like, and combines with the recharging pressurization system to ensure the subsequent recharging pressure requirement.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the geothermal water recharging port is communicated with one end of a recharging pipeline, and the other end of the recharging pipeline is used for being communicated with a recharging well.
The beneficial effect of adopting above-mentioned further scheme is that the geothermal tail water after the degasification is recharged to the recharging well through recharging pipeline, and recharging is convenient.
Further, the device also comprises a pressurizing pipeline and a booster pump, wherein two ends of the pressurizing pipeline are respectively communicated with the recharging pipeline, and the booster pump is fixedly installed on the pressurizing pipeline.
The technical scheme has the beneficial effects that the degassed geothermal tail water is recharged to the recharging well through the recharging pipeline, and recharging is convenient;
when the pressure of the geothermal water is insufficient for recharging, geothermal tail water can enter the pressurizing pipeline at the moment and is pressurized through the pressurizing pump, so that recharging operation can be carried out more smoothly.
Further, a check valve is fixedly arranged on the pressurizing pipeline.
The geothermal tail water backflow preventing device has the beneficial effects of being simple in structure, reasonable in design and capable of preventing geothermal tail water from flowing back through the check valve in the recharging process.
Further, butterfly valves I are respectively and fixedly arranged at the positions of the pressurizing pipelines close to the two ends of the pressurizing pipelines and/or the positions between the two ends of the recharging pipelines corresponding to the pressurizing pipelines and the communicating positions of the recharging pipelines.
The beneficial effect of adopting above-mentioned further scheme is simple structure, reasonable in design, can realize recharging pipeline and the free switching of pressure boost pipeline through a plurality of butterfly valves one, and the switch is convenient.
Further, a butterfly valve II is fixedly arranged at the position of the recharging pipeline, which corresponds to the position between the pressurizing pipeline and the vacuum tank.
The beneficial effect of adopting above-mentioned further scheme is simple structure, reasonable in design, whether go on through butterfly valve second steerable recharging operation.
Further, a geothermal water drain outlet is arranged at the bottom of the vacuum tank, and a geothermal water drain valve is fixedly arranged at the geothermal water drain outlet.
The adoption of the further scheme has the beneficial effects of simple structure and reasonable design, and can regularly drain sewage by opening the geothermal water drain valve, so that the influence on the exhaust operation due to more sewage in the vacuum tank is avoided.
Further, a liquid level meter is fixedly arranged in the vacuum tank.
The beneficial effect of adopting above-mentioned further scheme is simple structure, reasonable in design, but the liquid level in the real-time supervision vacuum tank through the level gauge.
Further, the top of vacuum tank is fixed mounting has the vacuum table.
The vacuum gauge has the beneficial effects of simple structure and reasonable design, and can monitor the vacuum degree in the vacuum tank in real time.
Further, the inside of the vacuum pump is communicated with the bottom of the gas-liquid separator through a water supply pipeline, and a ball valve and a filter are fixedly arranged on the water supply pipeline at intervals.
The beneficial effect of adopting above-mentioned further scheme is simple structure, reasonable in design, and gaseous part after the separation of gas-liquid separator is discharged into the atmosphere, and partial water level vacuum pump provides the water source that forms the vacuum, and unnecessary water can regularly be discharged, resources are saved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a vacuum tank; 2. a vacuum pump; 3. a gas-liquid separator; 4. separating a blow-down valve; 5. recharging a pipeline; 6. a pressurizing pipeline; 7. a booster pump; 8. a check valve; 9. a butterfly valve I; 10. a butterfly valve II; 11. a geothermal water blow-down valve; 12. a liquid level gauge; 13. a vacuum gauge; 14. a ball valve; 15. a filter; 16. a water inlet valve; 17. soft metal connection; 18. an exhaust line; 19. and (5) soft connection of rubber.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
As shown in fig. 1, the embodiment provides a geothermal tail water vacuum auxiliary exhaust system, which comprises a vacuum tank 1, a vacuum pump 2 and a gas-liquid separator 3, wherein the top of the vacuum tank 1 is provided with a gas outlet and a geothermal water inlet, and the bottom of the vacuum tank 1 is provided with a geothermal water recharging port; the top of the gas-liquid separator 3 is provided with a mixing inlet and an air outlet respectively, the bottom of the gas-liquid separator 3 is provided with a separation drain outlet, and a separation drain valve 4 is fixedly arranged at the separation drain outlet;
the gas outlet, the inlet of the vacuum pump 2, the outlet of the vacuum pump 2 and the mixing inlet are sequentially communicated through pipelines.
In the process of exhausting, a geothermal water inlet of a geothermal tail water well is sent into a vacuum tank 1, a vacuum pump 2 forms vacuum by utilizing the circulation formed by water in a gas-liquid separator 3, and gas at the upper part in the vacuum tank 1 is pumped away, so that a certain vacuum degree is formed in the vacuum tank 1; the pressure of the geothermal tail water is rapidly reduced after the geothermal tail water enters the vacuum tank 1, and dissolved gas in the geothermal tail water is gradually separated out due to pressure difference cracking, so that the tail water gas content is reduced, and the degassing purpose is achieved;
the deaerated geothermal tail water is discharged through a geothermal water recharging port and recharged to a recharging well; the gas deposited in the vacuum tank 1 is further pumped by the vacuum pump 2, and the gas discharged in the state of maintaining the vacuum degree of the vacuum tank 1 enters the gas-liquid separator 3.
Preferably, in this embodiment, the geothermal water inlet is fixedly provided with a water inlet valve 16.
The inlet valve 16 is preferably a butterfly valve.
Preferably, in this embodiment, the air outlet communicates with an air exhaust pipe 18.
Preferably, in the present embodiment, the inlet and the outlet of the vacuum pump 2 are fixedly provided with rubber flexible connections 19, respectively, and the inlet of the vacuum pump 2 is fixedly provided with a ball valve 14.
In addition, a check valve 8 is fixedly arranged between the ball valve 14 at the inlet of the vacuum pump 2 and the corresponding soft rubber connection 19, so that the gas-liquid mixture is prevented from flowing backwards.
The embodiment has simple structure and reasonable design, utilizes the water ring vacuum system to carry out degassing treatment on the geothermal tail water, has better degassing effect than the traditional degassing tank, reduces the gas content of the geothermal tail water, prevents the occurrence of recharging gas blockage, chemical reaction, pipeline corrosion and the like, and combines with a recharging pressurization system to ensure the subsequent recharging pressure requirement.
Example 2
In this embodiment, the geothermal water recharging port is connected to one end of the recharging pipe 5, and the other end of the recharging pipe 5 is connected to the recharging well.
The deaerated geothermal tail water is recharged to a recharging well through a recharging pipeline 5, recharging is convenient, and water resources are saved.
Example 3
On the basis of embodiment 2, this embodiment further includes a pressurizing pipe 6 and a pressurizing pump 7, two ends of the pressurizing pipe 6 are respectively communicated with the recharging pipe 5, and the pressurizing pump 7 is fixedly installed on the pressurizing pipe 6.
The deaerated geothermal tail water is recharged to a recharging well through a recharging pipeline 5, so that recharging is convenient;
when the pressure of the geothermal water is insufficient for recharging, the geothermal tail water can enter the pressurizing pipeline 6 at the moment and is pressurized through the pressurizing pump 7, so that recharging operation can be carried out more smoothly.
Preferably, in this embodiment, the inlet and the outlet of the booster pump 7 are respectively communicated with the booster pipeline 6 through the metal flexible connection 17, so that the installation is convenient.
Example 4
In this embodiment, a check valve 8 is also fixedly mounted on the pressurizing pipe 6 on the basis of embodiment 3.
This scheme simple structure, reasonable in design, the in-process that recharging prevents through check valve 8 that geothermal tail water from returning.
Example 5
In this embodiment, a butterfly valve 9 is fixedly mounted at a portion of the pressurizing pipe 6 near two ends of the pressurizing pipe and/or a portion of the recharging pipe 5 between two ends of the pressurizing pipe 6 and a communicating portion of the recharging pipe 5, respectively.
This scheme simple structure, reasonable in design can realize recharging pipeline 5 and the free switching of pressure boost pipeline 6 through a plurality of butterfly valves one 9, switches conveniently.
Example 6
In this embodiment, a second butterfly valve 10 is fixedly installed at a position of the recharging line 5 corresponding to a position between the pressurizing line 6 and the vacuum tank 1, that is, at an end of the second butterfly valve 10, which is close to the recharging line 5 and is in communication with the vacuum tank 1.
The scheme has simple structure and reasonable design, and can control whether recharging operation is performed or not through the butterfly valve II 10.
Based on the above scheme, when the pressure of the geothermal water is insufficient for recharging, the corresponding valve is opened, and only the increasing pipeline 6 works at the moment, geothermal tail water can enter the pressurizing pipeline 6 and is pressurized through the booster pump 7, so that recharging operation can be carried out more smoothly.
When the pressure of the geothermal water is enough for recharging, the corresponding valve is opened, only the recharging pipeline 5 works at the moment, and the geothermal tail water can enter the recharging pipeline 5 to directly carry out recharging operation.
Example 7
On the basis of the above embodiments, in this embodiment, a geothermal water drain is provided at the bottom of the vacuum tank 1, and a geothermal water drain valve 11 is fixedly installed at the geothermal water drain.
The scheme has simple structure and reasonable design, and can regularly discharge sewage by opening the geothermal water blow-down valve 11, thereby avoiding the influence on the exhaust operation caused by more sewage in the vacuum tank 1.
The whole exhaust system does not perform the exhaust operation during the sewage discharge.
Example 8
In the present embodiment, the vacuum tank 1 is fixedly provided with a level gauge 12.
This scheme simple structure, reasonable in design can the real-time supervision vacuum tank 1 in the liquid level through the level gauge.
The level gauge 12 is a conventional level gauge.
Alternatively, a level sensor is used instead of the level gauge 12 described above.
Example 9
On the basis of the above embodiments, in this embodiment, the vacuum gauge 13 is fixedly installed on the top of the vacuum tank 1.
The scheme has simple structure and reasonable design, and can monitor the vacuum degree in the vacuum tank 1 in real time through the vacuum gauge 13.
The vacuum gauge 13 is a conventional one.
Example 10
In the present embodiment, the inside of the vacuum pump 2 is communicated with the bottom of the gas-liquid separator 3 through a water supply pipeline, and the ball valve 14 and the filter 15 are fixedly installed on the water supply pipeline at intervals.
The scheme has simple structure and reasonable design, the gas part is discharged into the atmosphere after being separated by the gas-liquid separator 3, the partial water level vacuum pump 2 provides a water source for forming vacuum, and redundant water can be discharged regularly, so that the resource is saved.
Or, the vacuum pump 2 is supplied with water by an additional water supply device, but this scheme consumes more water resources and is costly.
The above-described valves are preferably solenoid valves, respectively, and the filter 15 is a conventional filter.
In addition, the above-mentioned vacuum pump 2 is preferably a water ring vacuum pump, and the operation principle and the communication principle between the water supply pipeline and the gas-liquid separator 3 are all the prior art, and will not be described herein.
The working principle of the utility model is as follows:
in the process of exhausting, a geothermal water inlet of a geothermal tail water well is sent into a vacuum tank 1, a vacuum pump 2 forms vacuum by utilizing the circulation formed by water in a gas-liquid separator 3, and gas at the upper part in the vacuum tank 1 is pumped away, so that a certain vacuum degree is formed in the vacuum tank 1; the pressure of the geothermal tail water is rapidly reduced after the geothermal tail water enters the vacuum tank 1, and dissolved gas in the geothermal tail water is gradually separated out due to pressure difference cracking, so that the tail water gas content is reduced, and the degassing purpose is achieved;
the deaerated geothermal tail water is discharged through a geothermal water recharging port and recharged to a recharging well; the gas separated out from the vacuum tank 1 is further pumped by a vacuum pump 2, and the gas discharged from the vacuum tank 1 in a vacuum degree state is kept to enter a gas-liquid separator 3; the gas part separated by the gas-liquid separator 3 is discharged into the atmosphere, the partial water level vacuum pump 2 provides a water source for forming vacuum, and the redundant water can be discharged periodically, so that the resource is saved.
The arrows in the drawings merely indicate the flow direction of the gas or the liquid or the gas-liquid mixture, and do not have any other substantial meaning.
The utility model adopts the vacuum pump device to form vacuum in the vacuum tank to replace the degassing tank, the vacuum in the vacuum tank can increase the pressure difference between bubbles and the tank, so that the bubbles are more easily separated out, and the more ideal degassing effect is achieved.
It should be noted that, all the electronic components related to the present utility model adopt the prior art, and the above components are electrically connected to the controller, and the control circuit between the controller and the components is the prior art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides a geothermal tail water vacuum auxiliary exhaust system which characterized in that: the device comprises a vacuum tank (1), a vacuum pump (2) and a gas-liquid separator (3), wherein the top of the vacuum tank (1) is provided with a gas outlet and a geothermal water inlet, and the bottom of the vacuum tank (1) is provided with a geothermal water recharging port; the top of the gas-liquid separator (3) is provided with a mixing inlet and an air outlet respectively, the bottom of the gas-liquid separator (3) is provided with a separation drain outlet, and a separation drain valve (4) is fixedly arranged at the separation drain outlet;
the gas outlet, the inlet of the vacuum pump (2), the outlet of the vacuum pump (2) and the mixing inlet are sequentially communicated through pipelines.
2. The geothermal tail water vacuum assisted exhaust system of claim 1 wherein: the geothermal water recharging port is communicated with one end of the recharging pipeline (5), and the other end of the recharging pipeline (5) is used for being communicated with a recharging well.
3. The geothermal tail water vacuum assisted exhaust system of claim 2 wherein: still include booster line (6) and booster pump (7), booster line (6) both ends respectively with recharge pipeline (5) intercommunication, booster pump (7) fixed mounting is in on booster line (6).
4. A geothermal tail water vacuum assisted exhaust system according to claim 3 wherein: and the pressurizing pipeline (6) is fixedly provided with a check valve (8).
5. A geothermal tail water vacuum assisted exhaust system according to claim 3 wherein: and butterfly valves I (9) are respectively and fixedly arranged at the positions of the pressurizing pipelines (6) close to the two ends of the pressurizing pipelines and/or the positions of the recharging pipelines (5) between the two ends of the pressurizing pipelines (6) and the communicating positions of the recharging pipelines (5).
6. A geothermal tail water vacuum assisted exhaust system according to claim 3 wherein: and a butterfly valve II (10) is fixedly arranged at the position of the recharging pipeline (5) corresponding to the position between the pressurizing pipeline (6) and the vacuum tank (1).
7. The geothermal tail water vacuum assisted exhaust system of any of claims 1-6 wherein: the bottom of the vacuum tank (1) is provided with a geothermal water drain, and a geothermal water drain valve (11) is fixedly arranged at the geothermal water drain.
8. The geothermal tail water vacuum assisted exhaust system of any of claims 1-6 wherein: a liquid level meter (12) is fixedly arranged in the vacuum tank (1).
9. The geothermal tail water vacuum assisted exhaust system of any of claims 1-6 wherein: the top of the vacuum tank (1) is fixedly provided with a vacuum gauge (13).
10. The geothermal tail water vacuum assisted exhaust system of any of claims 1-6 wherein: the inside of the vacuum pump (2) is communicated with the bottom of the gas-liquid separator (3) through a water supply pipeline, and a ball valve (14) and a filter (15) are fixedly arranged on the water supply pipeline at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964655.1U CN220664962U (en) | 2023-07-25 | 2023-07-25 | Geothermal tail water vacuum auxiliary exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964655.1U CN220664962U (en) | 2023-07-25 | 2023-07-25 | Geothermal tail water vacuum auxiliary exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220664962U true CN220664962U (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321964655.1U Active CN220664962U (en) | 2023-07-25 | 2023-07-25 | Geothermal tail water vacuum auxiliary exhaust system |
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| Country | Link |
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| CN (1) | CN220664962U (en) |
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2023
- 2023-07-25 CN CN202321964655.1U patent/CN220664962U/en active Active
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Effective date of registration: 20240426 Address after: Room 4010 and Room 4011, No. 2 Huatian Road, Huayuan Industrial Zone, Binhai High tech Zone, Binhai New Area, Tianjin, 300450 (Hosted by Sanqianke (Tianjin) Business Secretary Service Co., Ltd., No. 1213) Patentee after: Middling coal Hydrology Bureau Group (Tianjin) Engineering Technology Research Institute Co.,Ltd. Country or region after: China Address before: 056004 No. 154 Fuhei Street, Handan City, Hebei Province Patentee before: HYDROGEOLOGY BUREAU OF CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY Country or region before: China |
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