CN218062587U - Vacuum pump set of foundation pit deep well dewatering zone gas-water separator - Google Patents
Vacuum pump set of foundation pit deep well dewatering zone gas-water separator Download PDFInfo
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- CN218062587U CN218062587U CN202222346966.3U CN202222346966U CN218062587U CN 218062587 U CN218062587 U CN 218062587U CN 202222346966 U CN202222346966 U CN 202222346966U CN 218062587 U CN218062587 U CN 218062587U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses a vacuum pump group of a foundation pit deep well dewatering belt gas-water separator, which comprises a separator body, a mechanical vacuum pump, a water pump, a vacuum pump water tank and an electric control cabinet; the separator body is arranged on the mechanical vacuum pump, so that water-gas separation is realized, water-gas mixture is reduced to enter the mechanical vacuum pump, mechanical abrasion is reduced, and the service life is prolonged; through the division of each cavity in the separator body and the arrangement of the valves, and the application of the PLC to control the valves, the separator body has the functions of water-gas separation, cavity division and pressure balance conversion, is convenient for the discharge of a water pump, improves the situation of difficult water discharge of the existing separation device, gives full play to the advantage of high water pumping efficiency of the mechanical vacuum pump, and ensures that the continuous work of the mechanical vacuum pump is not influenced in the water discharge link by the water-gas separation.
Description
Technical Field
The utility model belongs to the technical field of deep basal pit dewatering technique and specifically relates to a foundation pit deep well dewatering takes vacuum pump package of gas-water separator.
Background
In the deep foundation pit dewatering work, the vacuum pump of vacuum deep well dewatering has the following problems: the jet vacuum pump and the mechanical vacuum pump are two most commonly used water suction pumps, and the jet vacuum pump has high wear resistance, so that the water-gas mixture can be extracted in the deep foundation pit dewatering process, and the problems that the air suction amount of the unit power consumption of the jet vacuum pump is small, circulating water heats quickly and is easy to lack water, and the vacuum degree is reduced after the water shortage, so that the water suction efficiency is low and even water in the deep pit cannot be pumped; the air extraction of mechanical vacuum pump unit consumption is big, and it is efficient to pump water, but the problem that exists is, because contain the gravel in the aqueous vapor mixture, it is very fast to lead to mechanical wear, and maintenance cost is very high, is difficult to satisfy the extraction to the aqueous vapor mixture of deep basal pit dewatering in-process, if set up aqueous vapor separator at mechanical vacuum pump front end, reducible mechanical wear, but the current situation of separator drainage difficulty under the vacuum state appears again, lead to mechanical vacuum pump the embarrassing situation that can not continuous operation to appear. How to design a vacuum pump group, the efficient advantage of full play mechanical vacuum pump pumping is on the basis of reduction mechanical wear, extension mechanical vacuum pump life, guarantees again that the drainage link of aqueous vapor separation does not influence mechanical vacuum pump's continuous operation, will be the key place that improves deep basal pit precipitation work efficiency at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vacuum pump group of a foundation pit deep well dewatering zone gas-water separator aiming at the defects of the prior art, which adopts the combination of a separator body, a mechanical vacuum pump and a water pump, and the mechanical vacuum pump is provided with the separator body, so that the water and the gas in the separator body are separated, the water and gas mixture is reduced to enter the mechanical vacuum pump, and the mechanical abrasion is reduced; by dividing each cavity of the separator body, arranging the valves and automatically controlling the valves by using the PLC, the separator body has the characteristics of water-gas separation in the cavity, pressure conversion and convenient discharge of a water pump, the situation that the existing separation device is difficult to discharge water is improved, the advantage of high water pumping efficiency of the mechanical vacuum pump is fully played, and the water discharge link of water-gas separation is ensured to be completed under the continuous working state of the mechanical vacuum pump.
Realize the utility model discloses the concrete technical scheme of purpose is:
a vacuum pump set of a foundation pit deep well dewatering belt gas-water separator is characterized by comprising a separator body, a mechanical vacuum pump, a water pump, a vacuum pump water tank and an electric control cabinet;
the separator body is in a tank body shape, the tank body is internally divided into an upper cavity and a lower cavity which are arranged up and down by a transverse partition plate, and the lower cavity is a second water storage cavity; the upper cavity is divided into a semi-closed water-gas separation cavity and a first water storage cavity which are arranged on the left and right by a vertical overflow partition plate, and the water-gas separation cavity and the first water storage cavity are provided with vacuum cavities which are communicated with each other at the top of the overflow partition plate;
the top of the tank body is communicated with the vacuum cavity and is provided with a vacuum pump air inlet interface and a first communicating pipe interface; a well pipe connector is communicated with the upper part of the water-gas separation cavity on the side wall of the tank body, a second communicating pipe connector and an air inlet valve connector are respectively communicated with the upper part of the second water storage cavity on the side wall of the tank body, and a water pump connector is communicated with the lower part of the second water storage cavity;
a water-gas sinking pipe is arranged in the water-gas separation cavity, the upper opening of the water-gas sinking pipe is connected with the well pipe interface, and the lower opening of the water-gas sinking pipe is close to the diaphragm plate and is open;
the first connector of the communicating pipe is connected with the second connector of the communicating pipe through the communicating pipe, and a communicating switch valve is arranged between the first connector of the communicating pipe and the second connector of the communicating pipe;
a water drain valve is arranged on the diaphragm between the second water storage cavity and the first water storage cavity;
a floating ball switch is arranged in the second water storage cavity from the bottom to the top;
an air inlet valve is arranged on the air inlet valve interface;
the mechanical vacuum pump is provided with a vacuum pump air suction port, a vacuum pump exhaust port and a vacuum pump water inlet, and the vacuum pump air suction port is provided with a vacuum pump check valve;
the water pump is provided with a water pump water suction port and a water pump water outlet, and the water pump water suction port is provided with a water pump check valve;
the vacuum pump water tank is provided with a water tank air inlet, a water tank air outlet and a water tank water supply inlet;
the mechanical vacuum pump, the water pump and the vacuum pump water tank are arranged on the outer side of the separator body;
the vacuum pump air suction port of the mechanical vacuum pump is connected with the vacuum pump air inlet interface pipeline of the separator body, the vacuum pump air outlet is connected with the water tank air inlet pipeline of the vacuum pump water tank, and the vacuum pump water inlet is connected with the water tank water supply port of the vacuum pump water tank;
the water pump water suction port of the water pump is connected with the water pump interface of the separator body;
the electric control cabinet is arranged on the outer side of the separator body; the PLC is arranged in the electric control cabinet and is respectively and electrically connected with the mechanical vacuum pump, the water drain valve, the floating ball switch, the communicating switch valve and the air inlet valve.
At least one maintenance hole is arranged on the tank body of the separator body.
And a vacuum meter is arranged on the vacuum cavity of the separator body.
The utility model has the technical effects that
1) Water-gas separation
The utility model arranges a water-gas separation cavity, a first water storage cavity and a second water storage cavity in the separator body; during operation, a water-gas mixture enters the water-gas separation cavity and is guided to the lower opening of the water-gas sinking pipe by the water-gas sinking pipe, the water is discharged from the bottom of the water-gas separation cavity, water is deposited in the water-gas separation cavity, the water level in the water-gas separation cavity crosses the overflow partition plate and flows into the first water storage cavity, the water flows into the second water storage cavity from the first water storage cavity through the drain valve, gas overflows from the liquid level and is pumped out by the mechanical vacuum pump through the vacuum pump air inlet interface of the vacuum cavity, the vacuum degree is monitored through the vacuum meter, and water-gas separation is implemented.
2) The water pump intermittently discharges water from the separator body
In order to facilitate the intermittent drainage of the water pump from the separator body and meet the purpose of realizing continuous work of the mechanical vacuum pump, a water drain valve is arranged on a transverse partition plate between the second water storage cavity and the first water storage cavity; the lower cavity and the upper cavity of the separator body divided by the diaphragm are divided into cavities with different inner cavity pressures, and the air inlet valve on the air inlet valve interface is closed or opened to communicate with the atmosphere, so that the change of the pressure in the second water storage cavity is realized, and the water pump is favorable for realizing the drainage from the separator body.
The floating ball switch in the second water storage cavity is driven to ascend or descend by the water level, and the floating ball switch triggers the PLC to work at the upper limit or the lower limit, so that the water pump automatically and intermittently drains water from the separator body.
3) Buffering the impact on the water storage cavity during pressure conversion
When the air inlet valve is opened, the rising and sudden change of the pressure in the second water storage cavity can lead the equipment to generate impact, and the impact caused by the pressure conversion of the lower cavity is buffered, so that the stable operation of the utility model is facilitated; the PLC works to control the opening and closing sequence and the opening duration of the air inlet valve, the communication switch valve and the water drain valve in sequence, balance the pressure difference between the first water storage cavity and the second water storage cavity when the air inlet valve is closed or opened and the water drain valve is opened or closed, and slow down the pressure impact on the separator body.
Detailed Description
Referring to fig. 1 and 2, the present invention includes a separator body 1, a mechanical vacuum pump 2, a water pump 3, a vacuum pump water tank 4 and an electric control cabinet 5.
Referring to fig. 1 and 2, the separator body 1 is in the shape of a tank body, and the tank body is divided into an upper cavity and a lower cavity which are arranged up and down by a diaphragm 111, and the lower cavity is a second water storage cavity 112; the upper cavity is divided into a semi-closed water-gas separation cavity 114 and a first water storage cavity 115 which are arranged on the left and right by a vertical overflow partition plate 113, and the top of the overflow partition plate 113 of the water-gas separation cavity 114 and the first water storage cavity 115 is provided with a vacuum cavity 116 which is communicated with each other;
the top of the tank body is communicated with a vacuum cavity 116 and is provided with a vacuum pump air inlet port 11 and a first communication pipe port 12;
a well pipe connector 16 is communicated with the upper part of the water-gas separation cavity 114 on the side wall of the tank body, a communicating pipe second connector 13 and an air inlet valve connector 15 are respectively communicated with the upper part of the second water storage cavity 112 on the side wall of the tank body, and a water pump connector 14 is communicated with the lower part of the second water storage cavity 112;
a water vapor sinking pipe 161 is arranged in the water vapor separation chamber 114, an upper opening of the water vapor sinking pipe 161 is connected with the well pipe connector 16, and a lower opening of the water vapor sinking pipe 161 is close to the diaphragm 111 and is open.
Referring to fig. 1 and 2, the first connection pipe connector 12 is connected to the second connection pipe connector 13 through a connection pipe, and a connection switch valve 123 is disposed therebetween;
a water drain valve 121 is arranged on the diaphragm 111 between the second water storage cavity 112 and the first water storage cavity 115;
a float switch 122 is arranged from the bottom to the top in the second water storage cavity 112;
an air inlet valve 151 is arranged on the air inlet valve interface 15;
the mechanical vacuum pump 2 is provided with a vacuum pump air suction port 21, a vacuum pump exhaust port 22 and a vacuum pump water inlet 23, and the vacuum pump air suction port 21 is provided with a vacuum pump check valve 24;
the water pump 3 is provided with a water pump water suction port 31 and a water pump water discharge port 32, and the water pump water suction port 31 is provided with a water pump check valve 33;
the vacuum pump water tank 4 is provided with a water tank air inlet 41, a water tank air outlet 42 and a water tank water supply port 43;
the mechanical vacuum pump 2, the water pump 3 and the vacuum pump water tank 4 are arranged on the outer side of the separator body 1;
the vacuum pump air suction port 21 of the mechanical vacuum pump 2 is connected with the vacuum pump air inlet interface 11 of the separator body 1 through a pipeline, the vacuum pump air outlet 22 is connected with the water tank air inlet 41 of the vacuum pump water tank 4 through a pipeline, and the vacuum pump water inlet 23 is connected with the water tank water supply port 43 of the vacuum pump water tank 4;
the water pump suction port 31 of the water pump 3 is connected with the water pump interface 14 of the separator body 1.
Referring to fig. 1 and 2, the electric control cabinet 5 is arranged outside the separator body 1; a PLC programmable controller is arranged in the electric control cabinet 5, and the PLC programmable controller is respectively and electrically connected with the mechanical vacuum pump 2, the water pump 3, the drain valve 121, the float switch 122, the communication switch valve 123 and the air inlet valve 151.
The tank body of the separator body 1 is provided with at least one maintenance hole, so that maintenance and cleaning are facilitated.
A vacuum gauge is arranged on the vacuum cavity 116 of the separator body 1.
The utility model discloses the working process:
referring to fig. 1 and 2, in order to facilitate the drainage of the separator 1 and meet the purpose of continuous operation of the mechanical vacuum pump 2, the present invention has a water-gas separation chamber 114, a first water storage chamber 115 and a second water storage chamber 112 disposed in the separator 1; in operation, the water-air mixture enters the water-air separation chamber 114 to perform water-air separation, the air is pumped out by the mechanical vacuum pump 2, and then the water enters the second water storage chamber 112 from the first water storage chamber 115 and is discharged from the second water storage chamber 112 by the water pump 3. In order to facilitate the discharge of the water pump 3, during the water discharge, the second water storage cavity 112 and the first water storage cavity 115 are disconnected through the drain valve 121, the communication switch valve 123 is closed, the second water storage cavity 112 is communicated with the atmosphere through the air inlet valve 151, at this time, water continues to be stored in the first water storage cavity 115, after the water pump 3 discharges the water in the second water storage cavity 112, the air inlet valve 151 is closed, the first water storage cavity 115 is communicated with the second water storage cavity 112 again, and the above steps are repeated.
Examples
Referring to fig. 1, the well pipe joint 16 of the present invention is connected to the pumping pipe of the deep well of the foundation pit; water is supplied to a vacuum pump water inlet 23 of the mechanical vacuum pump 2 from a water tank water supply port 43 of the vacuum pump water tank 4;
referring to fig. 1 and 2, under the control of the PLC programmable controller of the electronic control cabinet 5, the intake valve 151 on the intake valve connector 15 is sequentially closed, the communication switch valve 123 between the first communication pipe connector 12 and the second communication pipe connector 13 is opened, and the drain valve 121 on the diaphragm 111 is opened; at the same time, the water pump 3 is turned off and the water pump check valve 33 is closed by itself.
Referring to fig. 1 and 2, the mechanical vacuum pump 2 is started, the vacuum pump check valve 24 is automatically opened, the pressure in the separator body 1 begins to be reduced, the water-gas mixture pumped by the water pumping pipe in the deep well of the foundation pit flows from the well pipe connector 16 to the water-gas separation chamber 114 through the water-gas sinking pipe 161, and water and gas separation is performed, wherein the water is deposited in the water-gas separation chamber 114, and the gas is pumped out by the mechanical vacuum pump 2 from the vacuum pump air inlet connector 11 of the vacuum chamber 116.
Referring to fig. 1 and 2, as the water level in the water-gas separation chamber 114 increases, the water level crosses the overflow partition 113, flows into the first water storage chamber 115, and flows from the first water storage chamber 115 into the second water storage chamber 112 through the drain valve 121; as the water level in the second water storage cavity 112 increases, the water level drives the float switch 122 in the second water storage cavity 112 to rise, and when the water level in the second water storage cavity 112 reaches a set upper limit, the float switch 122 triggers the PLC at the upper limit to operate, sequentially closing the water escape valve 121, closing the communication switch valve 123 and opening the air intake valve 151 on the air intake valve interface 15; meanwhile, the water pump 3 and the water pump check valve 33 are started automatically;
since the air inlet valve 151 is communicated with the atmosphere, the pressure in the second water storage cavity 112 starts to increase, so that the water in the second water storage cavity 112 can be conveniently discharged by the water pump 3.
Referring to fig. 1 and 2, during this period, the mechanical vacuum pump 2 continues to operate, the water-gas mixture continues to flow to the water-gas separation chamber 114, and water flows from the water-gas separation chamber 114 to the first water storage chamber 115 through the overflow partition 113; when the water level in the second water storage cavity 112 reaches a set lower limit, the float switch 122 triggers the PLC at the lower limit to operate, sequentially closes the air inlet valve 151 on the air inlet valve interface 15, opens the communication switch valve 123, and opens the water drain valve 121; meanwhile, the water pump 3 is closed, and the water pump check valve 33 is closed automatically;
the water stored in the first water storage cavity 115 flows into the second water storage cavity 112 from the first water storage cavity 115 again through the water drain valve 121, and the water circulates in a reciprocating manner, and the mechanical vacuum pump 2 is always in a continuous normal working state.
Claims (3)
1. A vacuum pump set of a foundation pit deep well dewatering zone gas-water separator is characterized by comprising a separator body (1), a mechanical vacuum pump (2), a water pump (3), a vacuum pump water tank (4) and an electric control cabinet (5);
the separator body (1) is in a tank body shape, the tank body is divided into an upper cavity and a lower cavity which are arranged up and down by a transverse partition plate (111), and the lower cavity is a second water storage cavity (112); the upper cavity is divided into a semi-closed water-gas separation cavity (114) and a first water storage cavity (115) which are arranged left and right by a vertical overflow partition plate (113), and the top of the overflow partition plate (113) of the water-gas separation cavity (114) and the first water storage cavity (115) is provided with a vacuum cavity (116) which is communicated with each other;
the top of the tank body is communicated with a vacuum cavity (116) and is provided with a vacuum pump air inlet connector (11) and a first connector (12) of a communicating pipe; a well pipe connector (16) is communicated with the upper part of the water-gas separation cavity (114) on the side wall of the tank body, a communicating pipe second connector (13) and an air inlet valve connector (15) are respectively communicated with the upper part of the second water storage cavity (112) on the side wall of the tank body, and a water pump connector (14) is communicated with the lower part of the second water storage cavity (112);
a water-gas sinking pipe (161) is arranged in the water-gas separation cavity (114), the upper opening of the water-gas sinking pipe (161) is connected with the well pipe connector (16), and the lower opening of the water-gas sinking pipe (161) is close to the diaphragm plate (111) and is open;
the first communicating pipe connector (12) is connected with the second communicating pipe connector (13) through a communicating pipe, and a communicating switch valve (123) is arranged between the first communicating pipe connector and the second communicating pipe connector;
a water drain valve (121) is arranged on a diaphragm (111) between the second water storage cavity (112) and the first water storage cavity (115);
a float switch (122) is arranged in the second water storage cavity (112) from the bottom to the top;
an air inlet valve (151) is arranged on the air inlet valve interface (15);
the mechanical vacuum pump (2) is provided with a vacuum pump air suction port (21), a vacuum pump exhaust port (22) and a vacuum pump water inlet (23), and the vacuum pump air suction port (21) is provided with a vacuum pump check valve (24);
the water pump (3) is provided with a water pump water suction port (31) and a water pump water outlet (32), and the water pump water suction port (31) is provided with a water pump check valve (33);
a water tank air inlet (41), a water tank air outlet (42) and a water tank water supply opening (43) are formed in the vacuum pump water tank (4);
the mechanical vacuum pump (2), the water pump (3) and the vacuum pump water tank (4) are arranged on the outer side of the separator body (1);
a vacuum pump air suction port (21) of the mechanical vacuum pump (2) is in pipeline connection with a vacuum pump air inlet interface (11) of the separator body (1), a vacuum pump exhaust port (22) is in pipeline connection with a water tank air inlet (41) of a vacuum pump water tank (4), and a vacuum pump water inlet (23) is connected with a water tank water supply port (43) of the vacuum pump water tank (4);
a water pump water suction port (31) of the water pump (3) is connected with a water pump interface (14) of the separator body (1);
the electric control cabinet (5) is arranged on the outer side of the separator body (1); a PLC programmable controller is arranged in the electric control cabinet (5), and the PLC programmable controller is respectively and electrically connected with the mechanical vacuum pump (2), the water pump (3), the drain valve (121), the float switch (122), the communicating switch valve (123) and the air inlet valve (151).
2. The vacuum pump set of the foundation pit deep well precipitation zone gas-water separator as claimed in claim 1, wherein at least one maintenance hole is formed in the tank body of the separator body (1).
3. The vacuum pump group of the foundation pit deep well precipitation zone gas-water separator is characterized in that a vacuum chamber (116) of the separator body (1) is provided with a vacuum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346966.3U CN218062587U (en) | 2022-09-05 | 2022-09-05 | Vacuum pump set of foundation pit deep well dewatering zone gas-water separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346966.3U CN218062587U (en) | 2022-09-05 | 2022-09-05 | Vacuum pump set of foundation pit deep well dewatering zone gas-water separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218062587U true CN218062587U (en) | 2022-12-16 |
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ID=84407976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222346966.3U Active CN218062587U (en) | 2022-09-05 | 2022-09-05 | Vacuum pump set of foundation pit deep well dewatering zone gas-water separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218062587U (en) |
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2022
- 2022-09-05 CN CN202222346966.3U patent/CN218062587U/en active Active
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