阅读说明：本技术 一种负压水气分离装置 (Negative pressure water-gas separation device ) 是由 屈界胜 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种负压水气分离装置,包括通过抽气连接管与真空泵相连接的冷凝仓以及储水排水腔；所述冷凝仓内设置有冷凝器,所述冷凝仓底部通过输水管将冷凝水输送至储水排水腔中,所述储水排水腔内壁顶部设置有液位开关,当水量上升至液位开关处时触发与所述储水排水腔相连通的调压阀以及三通阀工作,使所述储水排水腔内的水通过排水管排出储水排水腔。本发明对管道中的水蒸气进行水气分离,防止水蒸气进入真空泵导致机械发生损坏,降低企业的生产成本。(The invention discloses a negative pressure water-gas separation device, which comprises a condensation bin and a water storage and drainage cavity, wherein the condensation bin is connected with a vacuum pump through an air extraction connecting pipe; the condensation chamber is internally provided with a condenser, the bottom of the condensation chamber conveys condensed water to the water storage and drainage cavity through a water conveying pipe, the top of the inner wall of the water storage and drainage cavity is provided with a liquid level switch, and when the water quantity rises to the liquid level switch, a pressure regulating valve and a three-way valve which are communicated with the water storage and drainage cavity are triggered to work, so that the water in the water storage and drainage cavity is drained out of the water storage and drainage cavity through a drainage pipe. The invention separates water vapor in the pipeline, prevents the steam from entering the vacuum pump to cause the damage of the machine and reduces the production cost of enterprises.)

1. The utility model provides a negative pressure water gas separator which characterized in that: comprises a condensation bin (4) and a water storage and drainage cavity (8) which are connected with a vacuum pump through an air extraction connecting pipe (1); be provided with condenser (5) in condensation storehouse (4), condensation storehouse (4) bottom is carried the comdenstion water to water storage drainage chamber (8) through raceway (6), water storage drainage chamber (8) inner wall top is provided with liquid level switch (10), when the water yield rises to liquid level switch (10) department trigger with air-vent valve (15) and three-way valve (16) work that water storage drainage chamber (8) are linked together make water in water storage drainage chamber (8) passes through drain pipe (14) and discharges water storage drainage chamber (8).

2. The negative pressure water-gas separation device of claim 1, wherein: and the condensation bin (4) is provided with a negative pressure outlet (3) and a negative pressure inlet (2) for connecting the air exhaust end of the vacuum pump.

3. The negative pressure water-gas separation device of claim 1, wherein: the condensation chamber (4) is provided with a water outlet (7) at the bottom, the water outlet (7) is connected with a water inlet (9) on the water storage and drainage cavity (8) through a water pipe (6), and the water pipe (6) is also provided with a one-way valve I (12).

4. The negative pressure water-gas separation device of claim 1, wherein: the water storage and drainage cavity (8) is provided with a drainage outlet (11) at the bottom, the drainage outlet (11) is connected with a drainage pipe (14), the drainage pipe (14) is provided with a second one-way valve (13), and the drainage outlet (11) is opened and closed through the second one-way valve (13).

5. The negative pressure water-gas separation device of claim 1, wherein: the three-way valve (16) comprises a valve body, and a first valve port (161), a second valve port (162) and a third valve port (163) which are positioned on the valve body, wherein the first valve port (161) is connected with the water outlet and drainage pipe (14) through a third connecting pipe (19), the second valve port (162) is connected with the pressure regulating valve (15) through a second connecting pipe (18), the third valve port (163) is connected with the condensation bin (4) through a first connecting pipe (17), and the pressure in the condensation bin (4) and the water storage and drainage cavity (8) is regulated through the pressure regulating valve (15) and the three-way valve (16).

6. The negative pressure water-gas separation device of claim 1, wherein: and a time delay circuit for controlling the three-way valve (16) is arranged on the liquid level switch (10).

Technical Field

The invention relates to the technical field of water-gas separation, in particular to a negative-pressure water-gas separation device.

Background

CNC processing platform adds man-hour, use vacuum adsorption to adsorb the location to the product that needs processing usually, need utilize the vacuum pump to carry out the evacuation during vacuum adsorption, the in-process that can have in the air vapor at the vacuum pump evacuation passes through the phenomenon that the pipeline got into the vacuum pump, a large amount of moisture gets into the lubricating oil emulsification that can make in the vacuum pump, need frequently change lubricating oil, cause destruction to machinery even, the manufacturing cost who leads to the enterprise improves, consequently, need design a negative pressure aqueous vapor separator to solve above-mentioned problem.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide a negative-pressure water-gas separation device which is used for performing water-gas separation on water vapor in a pipeline, preventing the water vapor from entering a vacuum pump to cause mechanical damage and reducing the production cost of enterprises.

In order to achieve the above purposes, the invention adopts the technical scheme that: a negative pressure water-gas separation device comprises a condensation bin and a water storage and drainage cavity, wherein the condensation bin is connected with a vacuum pump through an air exhaust connecting pipe; the condensation chamber is internally provided with a condenser, the bottom of the condensation chamber conveys condensed water to the water storage and drainage cavity through a water conveying pipe, the top of the inner wall of the water storage and drainage cavity is provided with a liquid level switch, and when the water quantity rises to the liquid level switch, a pressure regulating valve and a three-way valve which are communicated with the water storage and drainage cavity are triggered to work, so that the water in the water storage and drainage cavity is drained out of the water storage and drainage cavity through a drainage pipe.

Preferably, the condensation bin is provided with a negative pressure outlet and a negative pressure inlet for connecting with an air exhaust end of a vacuum pump.

Preferably, a water outlet is formed in the bottom of the condensation bin, the water outlet is connected with a water inlet in the water storage and drainage cavity through a water delivery pipe, and a first check valve is further arranged on the water delivery pipe.

Preferably, a water outlet is formed in the bottom of the water storage and drainage cavity and connected with a drainage pipe, a second one-way valve is arranged on the drainage pipe, and the drainage outlet is opened and closed through the second one-way valve.

Preferably, the three-way valve comprises a valve body, and a first valve port, a second valve port and a third valve port which are positioned on the valve body, the first valve port is connected with the water outlet and drain pipe through a third connecting pipe, the second valve port is connected with the pressure regulating valve through a second connecting pipe, the third valve port is connected with the condensation bin through a first connecting pipe, and the pressure in the condensation bin and the water storage and drain cavity is regulated through the pressure regulating valve and the three-way valve.

Preferably, the liquid level switch is provided with a time delay circuit for controlling the three-way valve.

The invention has the beneficial effects that:

according to the invention, through the mutual matching of the air exhaust connecting pipe, the condensation bin, the water storage and drainage cavity, the liquid level switch, the pressure regulating valve and the three-way valve, water vapor is sucked into the condensation bin through the air exhaust connecting pipe, the condensation pipe condenses the water vapor into water, and the water is discharged into the water storage and drainage cavity through the water conveying pipe, so that the water-vapor separation of the water vapor in the pipeline is realized, the water vapor is prevented from entering the vacuum pump to cause the mechanical damage, and the production cost of an enterprise is reduced.

Drawings

FIG. 1 is a front view of the overall structure of a preferred embodiment of the present invention;

in the figure: 1. an air exhaust connecting pipe; 2. a negative pressure inlet; 3. a negative pressure outlet; 4. a condensation bin; 5. a condenser; 6. a water delivery pipe; 7. a water outlet; 8. a water storage and drainage cavity; 9. a water inlet; 10. a liquid level switch; 11. a water outlet; 12. a one-way valve I; 13. a second one-way valve; 14. a drain pipe; 15. a pressure regulating valve; 16. a three-way valve; 161. a first valve port; 162. a second valve port; 163. a valve port III; 17. a first connecting pipe; 18. a second connecting pipe; 19. and a third connecting pipe.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

Referring to fig. 1, the negative pressure water-gas separation device in the present embodiment includes a condensation chamber 4 and a water storage and drainage chamber 8 connected to a vacuum pump through an air extraction connection pipe 1, and water vapor is extracted into the condensation chamber 4 through the air extraction connection pipe 1 and condensed into water under the action of a condenser 5, so as to prevent water vapor from directly entering the vacuum pump to cause emulsification of lubricating oil; a condenser 5 is arranged in the condensation bin 4, and water vapor is condensed into water through the condenser 5; the bottom of the condensation bin 4 conveys condensed water into a water storage and drainage cavity 8 through a water conveying pipe 6, and the water storage and drainage cavity 8 is used for storing the condensed water in the condensation bin 4, so that the waste of water resources is avoided; the top of the inner wall of the water storage and drainage cavity 8 is provided with a liquid level switch 10, when the water amount rises to the liquid level switch 10, a pressure regulating valve 15 and a three-way valve 16 which are communicated with the water storage and drainage cavity 8 are triggered to work, negative pressure in the water storage and drainage cavity 8 is changed into positive pressure, an external controller controls a first one-way valve 12 to be closed and a second one-way valve 13 to be opened, so that water in the water storage and drainage cavity 8 is discharged out of the water storage and drainage cavity 8 through a drain pipe 14, and water-gas separation is realized.

And the condensation bin 4 is provided with a negative pressure outlet 3 and a negative pressure inlet 2 for connecting the air exhaust end of a vacuum pump.

The bottom of the condensation bin 4 is provided with a water outlet 7, the water outlet 7 is connected with a water inlet 9 on the water storage and drainage cavity 8 through a water delivery pipe 6, the water delivery pipe 6 is further provided with a one-way valve 12, and the opening and closing of the one-way valve 12 are controlled through an external controller so as to control the amount of water flowing into the water storage and drainage cavity 8.

The bottom of the water storage and drainage cavity 8 is provided with a drainage outlet 11, the drainage outlet 11 is connected with a drainage pipe 14, the drainage pipe 14 is provided with a second one-way valve 13, and the drainage outlet 11 is opened and closed through the second one-way valve 13.

The three-way valve 16 comprises a valve body, and a first valve port 161, a second valve port 162 and a third valve port 163 which are positioned on the valve body, wherein the first valve port 161 is connected with the water outlet and drain pipe 14 through a third connecting pipe 19, the second valve port 162 is connected with the pressure regulating valve 15 through a second connecting pipe 18, the third valve port 163 is connected with the condensation bin 4 through a first connecting pipe 17, and the air pressure in the condensation bin 4 and the water storage and drain cavity 8 is regulated through the pressure regulating valve 15 and the three-way valve 16.

The liquid level switch 10 is provided with a time delay circuit for controlling the three-way valve 16.

The working principle is as follows: the gas that contains vapor is absorbed into condensation chamber 4 from negative pressure entry 2 through the connecting pipe 1 of bleeding in, condenses the vapor into water through microthermal condenser 5, because water storage drainage chamber 8 is isobaric with condensation chamber 4, therefore the water in the condensation chamber 4 can flow down to water storage drainage chamber 8 under the effect of gravity through raceway 6, three-way valve 16 is connected with condensation chamber 4 and water storage drainage chamber 8 to adjust the pressure through air-vent valve 15, when the water level in water storage drainage chamber 8 rises to liquid level switch 10 water level department, the time delay circuit control three-way valve 16 that the outside set up begins to switch, makes water storage drainage chamber 8 in become the malleation by the negative pressure, and one-way valve 12 closes simultaneously, and one-way valve two 13 is opened, and the water in the water storage drainage chamber 8 is discharged from outlet 11.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.