CN110939151A - Water-vapor mixing system of super pressure-suction combined pumping system and working method thereof - Google Patents
Water-vapor mixing system of super pressure-suction combined pumping system and working method thereof Download PDFInfo
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- CN110939151A CN110939151A CN201911375774.1A CN201911375774A CN110939151A CN 110939151 A CN110939151 A CN 110939151A CN 201911375774 A CN201911375774 A CN 201911375774A CN 110939151 A CN110939151 A CN 110939151A
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- water
- outlet pipe
- water outlet
- air supply
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000005086 pumping Methods 0.000 title claims abstract description 35
- 238000002156 mixing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
- F04F1/02—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped using both positively and negatively pressurised fluid medium, e.g. alternating
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a water-vapor mixing system of a super pressure-suction combined pumping system and a working method thereof, wherein the water-vapor mixing system comprises a pumping device and an air supply device; the water pumping device comprises a water outlet pipe and a vacuum pump, wherein one end of the water outlet pipe is communicated with the vacuum pump, and the other end of the water outlet pipe penetrates through a sealing well cover on the dewatering well to the bottom of the dewatering well; the air supply device comprises an air supply pipe and an air compressor, one end of the air supply pipe is communicated with the air compressor, and the other end of the air supply pipe penetrates through a sealing well cover on the dewatering well to the bottom of the dewatering well and is communicated with the lower part of the water outlet pipe. This water vapor mixing system passes through the air compressor machine air of impressing, makes the interior water column of outlet pipe receive ascending lift to form the water vapor mixture and reduce the proportion of the interior rising water column of outlet pipe, and then reach the purpose of drawing water fast. The invention has the advantages that: the water-vapor mixing system greatly breaks through the height limit of a water column extracted by a vacuum pump, and combines 'pressing' and 'sucking', so that the water pumping efficiency is accelerated, and the equipment cost is saved.
Description
Technical Field
The invention relates to the technical field of deep well pumping, in particular to a water-vapor mixing system of a super pressure-suction combined pumping system and a working method thereof.
Background
Traditional deep basal pit precipitation adopts vacuum pump equipment to discharge the air in the drinking-water pipe and then utilizes the intraductal pressure differential with the outside of tubes to extrude water outside the well, and the vacuum pump can take out about 9.8 meters water column at most under the extreme condition, and the height of the water column of extraction receives the restriction. Because the rising upper counter force of the water column comes from the pressure difference between the inner water column and the outer water column of the water pumping pipe, the upper counter force of the technology is smaller and smaller along with the increase of the depth of a well point, the water pumping is also more and more difficult, and after the limit of the vacuum pump is reached, the water outlet can even be stopped, so that the technical limitation is very obvious. And the technology has the advantages of more equipment investment and high labor cost in the early stage, and the equipment requirement is higher and higher along with the increase of the depth of a well point, so that the equipment cost is increased.
Disclosure of Invention
The invention aims to provide a water vapor mixing system of a super pressure suction combined pumping system and a working method thereof according to the defects of the prior art, the water vapor mixing system presses air in through an air compressor, so that water columns in a water outlet pipe are subjected to upward lifting force to form the pressure, after the compressed air enters the water outlet pipe, a water vapor mixture can be formed in the water outlet pipe to reduce the specific gravity of the rising water columns in the water outlet pipe, the water vapor mixture can rise upwards under the action of a vacuum pump to form the suction, and the aim of rapidly pumping water can be achieved due to the combination of the pressure and the suction.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a super pressure is inhaled water vapor mixing system who unites pumping system, relates to precipitation well, its characterized in that: the water vapor mixing system comprises a water pumping device and an air supply device;
the water pumping device comprises a water outlet pipe and a vacuum pump, wherein one end of the water outlet pipe is communicated with the vacuum pump on the ground, and the other end of the water outlet pipe penetrates through a sealing well cover on the dewatering well to the bottom of the dewatering well;
the air supply device comprises an air supply pipe and an air compressor, one end of the air supply pipe is communicated with the air compressor which is positioned on the ground, and the other end of the air supply pipe penetrates through the sealing well cover on the dewatering well to the bottom of the dewatering well and is communicated with the lower part of the water outlet pipe.
And the bottom end of the water outlet pipe is provided with a horizontal one-way valve.
The air supply pipe is communicated with the water outlet pipe through a tee joint.
The sealed well lid is provided with a vacuum applying device, one end of the vacuum applying device penetrates through the sealed well lid and the interior of the dewatering well is communicated, and the other end of the vacuum applying device is communicated with the water outlet pipe above the sealed well lid.
A working method of a water-vapor mixing system of the super pressure-suction combined pumping system is characterized by comprising the following steps: starting a vacuum pump on the ground, pumping and lifting a water outlet pipe with the bottom end positioned in a dewatering well through the vacuum pump, and pumping and exhausting air on the upper part of the dewatering well by a vacuum applying device communicated with the water outlet pipe to form vacuum; and simultaneously, an air compressor positioned on the ground is started, the air supply pipe supplies air to the water outlet pipe through the air compressor, so that a water-vapor mixture is formed at the communication position of the air supply pipe and the water outlet pipe, and the water-vapor mixture is upwards discharged out of the dewatering well.
The method as claimed in claim 5, wherein the water-air mixing system is further characterized in that a horizontal check valve at the bottom end of the water outlet pipe is used to stop the falling water after the vacuum pump and the air compressor stop operating.
The invention has the advantages that: the water-vapor mixing system greatly breaks through the height limit of a water column extracted by a vacuum pump, and combines 'pressing' and 'sucking', so that the water pumping efficiency is accelerated, and the equipment cost is saved.
Drawings
FIG. 1 is a schematic diagram of a water vapor mixing system of the super-pressure suction combined pumping system according to the present invention;
FIG. 2 is a schematic view A of a portion of the air supply pipe and the water outlet pipe of FIG. 1 according to the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:
referring to fig. 1-2, the labels 1-9 in the figures are: the device comprises a water outlet pipe 1, a dewatering well 2, an air supply pipe 3, a vacuum pump 4, an air compressor 5, a sealed well lid 6, a vacuum applying device 7, a horizontal one-way valve 8 and a tee joint 9.
Example (b): as shown in fig. 1 and 2, the present embodiment specifically relates to a water vapor mixing system of a super pressure suction combined pumping system and a working method thereof, the water vapor mixing system includes a pumping device and an air supply device disposed on a dewatering well 2, wherein:
the pumping device mainly comprises a water outlet pipe 1, a vacuum pump 4 and a vacuum applying device 7, wherein the vacuum pump 4 is arranged at the inlet ground of the dewatering well 2, one end of the water outlet pipe 1 is communicated with the vacuum pump 4, the other end of the water outlet pipe penetrates through a sealing well cover 6 at the well opening of the dewatering well 2 and vertically extends to the bottom of the dewatering well 2, in addition, the vacuum applying device 7 is specifically a pipe body, one end of the vacuum applying device 7 penetrates through the sealing well cover 6 and is communicated with the upper part of the dewatering well 2, the other end of the vacuum applying device is communicated with the water outlet pipe 1 at the upper part of the sealing well cover 6, the water body at the bottom of the dewatering well 2 can be extracted through the water outlet. In addition, in order to prevent the water body from flowing back under the condition that the vacuum pump 4 stops running, the bottom end of the water outlet pipe 1 is provided with the horizontal one-way valve 8, so that the use efficiency and the applicable depth of the water pumping device are increased, and the cost and the expense of equipment are reduced.
The air supply device mainly comprises an air supply pipe 3 and an air compressor 5, wherein the air compressor 5 is arranged at the inlet ground of the dewatering well 2, one end of the air supply pipe 3 is communicated with the air compressor 5, the other end of the air supply pipe penetrates through a sealing well lid 6 at the well opening of the dewatering well 2 and vertically extends to the bottom of the dewatering well 2 to be communicated with the lower part of the water outlet pipe 1, it needs to be explained that the communication position between the air supply pipe 3 and the water outlet pipe 1 is specifically upward a certain distance at the lower end of the water outlet pipe 1, and the communication between the air supply pipe 3 and the water outlet pipe 1 is. The air supply pipe 3 can supply air into the water outlet pipe 1 through the operation of the air compressor 5 so as to form a water-vapor mixture at the communication part of the air supply pipe and the water outlet pipe.
In addition, the junction between each body seals through the raw sticky tape in this embodiment to prevent to influence the work efficiency of steam hybrid system because of the gas leakage leads to the speed that the steam mixture generated to reduce.
As shown in fig. 1 and 2, the working method of the water vapor mixing system of the super-pressure suction combined pumping system in this embodiment includes the following steps:
(1) after the water vapor mixing system is installed on the dewatering well 2, simultaneously starting a vacuum pump 4 and an air compressor 5 which are positioned on the ground;
the vacuum pump 4 after being started controls the water outlet pipe 1 to extract the water in the dewatering well 2 upwards and discharge the water out of the dewatering well 2, meanwhile, the vacuum pump 4 controls the vacuum applying device 7 to vacuumize the space above the dewatering well 2 through the water outlet pipe 2, and the downward pressure to the water body in the dewatering well 2 can be reduced by vacuuming the space above the dewatering well 2, so that the dewatering well 2 has an adsorption and collection effect on the underground water in the soil outside the dewatering well 2, and the water pumping efficiency is improved;
meanwhile, the air compressor 5 after opening controls the air supply pipe 3 to supply air in the outlet pipe 1, make the water column in the outlet pipe 1 rise, formed "pressure" of saying, simultaneously, compressed air is back in getting into the outlet pipe 1, water column and compressed air in the outlet pipe 1 form the steam mixture, the proportion of steam mixture is little, under vacuum pump 4's effect, make groundwater rise in the outlet pipe 1 more easily more fast, formed "inhale" of saying, and under the state that the water column is the steam mixture, make the water column height that vacuum pump 4 extracted rise, limit water column height has been broken through, make the efficiency of drawing water improve greatly.
(2) When the vacuum pump 4 and the air compressor 5 are turned off to stop the operation, the water or the water-vapor mixture in the water outlet pipe 1 falls back into the precipitation well 2, and in order to avoid the situation, the interception is carried out through a horizontal one-way valve 8 arranged at the bottom end of the water outlet pipe 1.
Claims (6)
1. The utility model provides a super pressure is inhaled water vapor mixing system who unites pumping system, relates to precipitation well, its characterized in that: the water vapor mixing system comprises a water pumping device and an air supply device;
the water pumping device comprises a water outlet pipe and a vacuum pump, wherein one end of the water outlet pipe is communicated with the vacuum pump on the ground, and the other end of the water outlet pipe penetrates through a sealing well cover on the dewatering well to the bottom of the dewatering well;
the air supply device comprises an air supply pipe and an air compressor, one end of the air supply pipe is communicated with the air compressor which is positioned on the ground, and the other end of the air supply pipe penetrates through the sealing well cover on the dewatering well to the bottom of the dewatering well and is communicated with the lower part of the water outlet pipe.
2. The water vapor mixing system of a super-pressure suction combined pumping system as claimed in claim 1, wherein: and the bottom end of the water outlet pipe is provided with a horizontal one-way valve.
3. The water vapor mixing system of a super-pressure suction combined pumping system as claimed in claim 1, wherein: the air supply pipe is communicated with the water outlet pipe through a tee joint.
4. The water vapor mixing system of a super-pressure suction combined pumping system as claimed in claim 1, wherein: the sealed well lid is provided with a vacuum applying device, one end of the vacuum applying device penetrates through the sealed well lid and the interior of the dewatering well is communicated, and the other end of the vacuum applying device is communicated with the water outlet pipe above the sealed well lid.
5. A method of operating a water and steam mixing system involving the combined super-pressure and suction pumping system as claimed in any one of claims 1 to 4, the method comprising the steps of: starting a vacuum pump on the ground, pumping and lifting a water outlet pipe with the bottom end positioned in a dewatering well through the vacuum pump, and pumping and exhausting air on the upper part of the dewatering well by a vacuum applying device communicated with the water outlet pipe to form vacuum; and simultaneously, an air compressor positioned on the ground is started, the air supply pipe supplies air to the water outlet pipe through the air compressor, so that a water-vapor mixture is formed at the communication position of the air supply pipe and the water outlet pipe, and the water-vapor mixture is upwards discharged out of the dewatering well.
6. The method as claimed in claim 5, wherein the water-air mixing system is further characterized in that a horizontal check valve at the bottom end of the water outlet pipe is used to stop the falling water after the vacuum pump and the air compressor stop operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375774.1A CN110939151A (en) | 2019-12-27 | 2019-12-27 | Water-vapor mixing system of super pressure-suction combined pumping system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375774.1A CN110939151A (en) | 2019-12-27 | 2019-12-27 | Water-vapor mixing system of super pressure-suction combined pumping system and working method thereof |
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| CN110939151A true CN110939151A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375774.1A Pending CN110939151A (en) | 2019-12-27 | 2019-12-27 | Water-vapor mixing system of super pressure-suction combined pumping system and working method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252347A (en) * | 2020-11-06 | 2021-01-22 | 上海渊丰地下工程技术有限公司 | Deep well dewatering device and operation method thereof |
| CN112281883A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Precipitation system and operation method thereof |
| CN112281884A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Well point dewatering device and operation method thereof |
| CN114134918A (en) * | 2021-11-10 | 2022-03-04 | 上海建工四建集团有限公司 | Use method of full-automatic control type vacuum deep well device |
| CN114754028A (en) * | 2022-03-01 | 2022-07-15 | 清华大学 | Feed liquid extraction device and feed liquid extraction method |
| CN115110557A (en) * | 2022-06-07 | 2022-09-27 | 上海长凯岩土工程有限公司 | Pneumatic negative pressure water pumping method |
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| CN104264699A (en) * | 2014-09-30 | 2015-01-07 | 冯克俊 | Negative pressure air jet deep well dewatering device of foundation pit |
| CN105332384A (en) * | 2015-11-27 | 2016-02-17 | 上海长凯岩土工程有限公司 | Super pressure suction joint pumping system and operating method thereof |
| CN106759410A (en) * | 2017-02-22 | 2017-05-31 | 上海广联环境岩土工程股份有限公司 | Gas is tended towards superiority lift vacuum-dewatering device and method |
| CN212052828U (en) * | 2019-12-27 | 2020-12-01 | 上海长凯岩土工程有限公司 | Water vapor mixing system of super pressure suction combined pumping system |
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2019
- 2019-12-27 CN CN201911375774.1A patent/CN110939151A/en active Pending
Patent Citations (5)
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| JP2010281106A (en) * | 2009-06-04 | 2010-12-16 | Izumi Pump Seisakusho:Kk | Groundwater level lowering device |
| CN104264699A (en) * | 2014-09-30 | 2015-01-07 | 冯克俊 | Negative pressure air jet deep well dewatering device of foundation pit |
| CN105332384A (en) * | 2015-11-27 | 2016-02-17 | 上海长凯岩土工程有限公司 | Super pressure suction joint pumping system and operating method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252347A (en) * | 2020-11-06 | 2021-01-22 | 上海渊丰地下工程技术有限公司 | Deep well dewatering device and operation method thereof |
| CN112281883A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Precipitation system and operation method thereof |
| CN112281884A (en) * | 2020-11-06 | 2021-01-29 | 上海渊丰地下工程技术有限公司 | Well point dewatering device and operation method thereof |
| CN112281883B (en) * | 2020-11-06 | 2022-03-11 | 上海渊丰地下工程技术有限公司 | Precipitation system and operation method thereof |
| CN114134918A (en) * | 2021-11-10 | 2022-03-04 | 上海建工四建集团有限公司 | Use method of full-automatic control type vacuum deep well device |
| CN114134918B (en) * | 2021-11-10 | 2023-08-08 | 上海建工四建集团有限公司 | Use method of full-automatic control type vacuum deep well device |
| CN114754028A (en) * | 2022-03-01 | 2022-07-15 | 清华大学 | Feed liquid extraction device and feed liquid extraction method |
| CN114754028B (en) * | 2022-03-01 | 2022-12-06 | 清华大学 | Feed liquid extraction device and feed liquid extraction method |
| CN115110557A (en) * | 2022-06-07 | 2022-09-27 | 上海长凯岩土工程有限公司 | Pneumatic negative pressure water pumping method |
| CN115110557B (en) * | 2022-06-07 | 2023-11-03 | 上海长凯岩土工程有限公司 | Pneumatic negative pressure pumping method |
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