CN213451874U

CN213451874U - Water seal check valve

Info

Publication number: CN213451874U
Application number: CN202022392667.4U
Authority: CN
Inventors: 展洲; 李会超
Original assignee: Shijiazhuang Ruiheng Metallurgical Valve Equipment Manufacturing Co ltd
Current assignee: Shijiazhuang Ruiheng Metallurgical Valve Equipment Manufacturing Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-06-15
Anticipated expiration: 2030-10-24

Abstract

The utility model relates to a water seal check valve, it includes inside hollow valve body, the bottom of valve body is equipped with the base, the side of valve body is equipped with the air inlet, the intercommunication has the immersion pipe that is used for carrying coal gas in the air inlet, the immersion pipe is located the valve body, the top of valve body is equipped with the gas outlet, the port orientation gas outlet of air inlet is kept away from to the immersion pipe, water is equipped with greatly in the valve body, the lateral wall of base has set firmly the water tank, the water pump has set firmly in the water tank, the delivery port intercommunication of water pump has the water injection pipe, the water injection pipe runs through the lateral wall and the inside intercommunication of valve body of the inner wall of water tank and base, be provided with the check valve in the water injection pipe, one side of valve body is provided with the level gauge that is used.

Description

Water seal check valve

Technical Field

The application relates to the technical field of valves, in particular to a water seal check valve.

Background

The water seal check valve is an important device of a converter gas recovery system, and is mainly used for sealing or opening a vent in a converter gas recovery device system so as to cut off or pass gas flow and prevent the conveyed gas from flowing back to an air blower.

The water seal check valve mainly comprises a valve body, an immersion pipe, an arc-shaped rotary cover, a valve shaft, a pneumatic device and the like, wherein water for blocking coal gas is contained in the valve body, the coal gas enters the immersion pipe through an air inlet of the valve body and then flows to a coal gas cabinet through an air outlet of the valve body, the valve shaft is positioned at two ends of the rotary cover, the valve shaft is rotatably connected with the inner wall of the valve body, a starting device drives the rotary cover to rotate so that a port of the rotary cover for blocking the immersion pipe to the air outlet of the valve body can block a passage of the coal gas, then, the coal gas presses the water in the valve body into a vertical air passage communicated with the air outlet, and the water can thoroughly block the coal.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the gas outlet of valve body and the less sealed department of the intercommunication of air flue, water can slowly leak through the gas outlet of valve body and the intercommunication department of air flue, and water also can slowly reduce because of the evaporation.

SUMMERY OF THE UTILITY MODEL

In order to add water in time to the valve body, make the water seal check valve can normal operating, this application provides a water seal check valve.

The application provides a water seal check valve adopts following technical scheme: the utility model provides a water seal check valve, including inside hollow valve body, the bottom of valve body is equipped with the base, the side of valve body is equipped with the air inlet, the intercommunication has the submergence pipe that is used for carrying coal gas in the air inlet, the submergence pipe is located the valve body, the top of valve body is equipped with the gas outlet, the port orientation gas outlet of air inlet is kept away from to the submergence pipe, the splendid attire has water in the valve body, the lateral wall of base has set firmly the water tank, the water pump has set firmly in the water tank, the delivery port intercommunication of water pump has the water injection pipe, the water injection pipe runs through the lateral wall and the inside intercommunication of valve body of the inner wall and the base of water tank.

By adopting the technical scheme, the base supports the valve body, and the coal gas enters the immersion pipe through the air inlet of the valve body and then flows to the coal gas cabinet through the air outlet of the valve body; can learn the water level in the valve body through observing the liquid level gauge, when the water level reduces to needs make-up water in the valve body, start the water pump, the water pump passes through the water injection pipe with the water in the water tank and adds to the valve body in, the check valve can prevent that the water in the valve body is palirrhea to the water tank in, continuously observe the liquid level gauge, when the liquid level reaches reasonable position in the valve body, the operation that stops the water pump stops to add water, set up the liquid level gauge, water tank and water pump can in time add water to the valve body, make the water seal check valve can normal operating.

Optionally: the top of the water tank is communicated with a water feeding pipe, and an opening of the water feeding pipe is provided with a sealing cover for sealing the opening of the water feeding pipe.

By adopting the technical scheme, when the water amount in the water tank is too small, water is supplemented into the water tank through the water adding pipe, and after the water is supplemented, the opening of the water adding pipe is sealed by the sealing cover to reduce dust entering the water tank.

Optionally: the water tank is made of transparent raw materials.

Through adopting above-mentioned technical scheme, adopt transparent raw and other materials to make the water tank, can observe in real time and know the surplus of water tank internal water, be convenient for in time make-up water in to the water tank.

Optionally: and a first one-way air valve for keeping the balance between the interior of the water tank and the external air pressure is fixedly arranged at the top of the water tank.

Through adopting above-mentioned technical scheme, when the water pump added water to the valve body in, the water in the water tank reduces gradually, and the air increases gradually, and the inside and external atmospheric pressure's of water tank balance is kept in external air gets into the water tank through first one-way air valve, guarantees going on smoothly to adding water in the valve body.

Optionally: the communicating position of the water injection pipe and the valve body is close to the bottom of the valve body.

Through adopting above-mentioned technical scheme, when adding water in to the valve body, water can reduce the disturbance to original water in the valve body in the bottom entering valve body that is close to the valve body, reduces the possibility that water gets into the immersion pipe.

Optionally: the valve body internal stability has set firmly the overflow pipe, and the overflow pipe is close to the immersion pipe, and the port of overflow pipe towards the gas outlet is less than the port of immersion pipe towards the gas outlet, and the one end that the gas outlet was kept away from to the overflow pipe is worn out valve body and air inlet and is linked together and have the wet return, wet return and water tank intercommunication.

Through adopting above-mentioned technical scheme, if when resulting in adding excessive water in the valve body because of carelessness, unnecessary water can be in the overflow pipe backward flow to the water tank, makes the water yield in the valve body can keep reasonable quantity.

Optionally: the liquid level meter is made of transparent raw materials, scales are arranged on the outer surface of the liquid level meter, and the bottom end of the liquid level meter is communicated with the position near the middle of one end of the valve body.

Through adopting above-mentioned technical scheme, make into the liquid level gauge transparent can be convenient for the operator to observe the liquid level in the liquid level gauge to confirm the liquid level in the valve body, carry out the liquid level and the scale of liquid level gauge and compare and can know the liquid level in the valve body accurately.

Optionally: the top end of the liquid level meter is communicated with an air return pipe, one end, far away from the liquid level meter, of the air return pipe is communicated with the valve body, and a second one-way air valve is arranged at the communication position of the liquid level meter and the air return pipe.

Through adopting above-mentioned technical scheme, can get into the precision that coal gas influences the level gauge sometimes in the level gauge, set up the muffler after, the coal gas in the level gauge can be in the muffler reentrant valve body, improves the precision of level gauge, and the second check valve can prevent that the coal gas in the valve body from flowing back to the level gauge in through the muffler.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the water tank and the water pump, water can be added into the valve body in time, so that the water seal check valve can normally operate;

2. by arranging the liquid level meter, the liquid level in the valve body can be known in real time so as to determine whether water is added into the valve body;

3. through setting up the muffler, the gas in the level gauge flows back to in the valve body through the muffler, has improved the degree of accuracy of level gauge.

Drawings

FIG. 1 is a schematic structural diagram of a water seal check valve according to an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of the overflow pipe;

fig. 3 is a schematic view showing the structure of the water pump.

Description of reference numerals: 1. a valve body; 11. an air inlet; 12. an air outlet; 2. a base; 3. a water tank; 31. a water pump; 32. a first one-way air valve; 33. a water feeding pipe; 331. sealing the cover; 4. a water injection pipe; 5. an immersion tube; 51. an overflow pipe; 6. a water return pipe; 7. a one-way valve; 8. a liquid level meter; 81. a second one-way air valve; 9. and (4) an air return pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a water seal check valve, referring to fig. 1 and 2, the water seal check valve comprises a hollow cylindrical valve body 1, a base 2 is welded and fixed to the bottom of the valve body 1, an air inlet 11 is integrally formed in the outer wall of the circumference of the valve body 1, the air inlet 11 faces one side, an immersion pipe 5 is communicated with the air inlet 11, the immersion pipe 5 is located in the valve body 1, an air outlet 12 is integrally formed in the top of the valve body 1, a port, far away from the air inlet 11, of the immersion pipe 5 faces the air outlet 12, water is contained in the valve body 1, a water tank 3 is welded and fixed to the outer side wall of the base 2, the water tank 3 and the air inlet 11 are located on the same side, a water pump 31 is welded and fixed to the inner wall of the water tank 3, a water injection pipe 4 is communicated with the water outlet of the water pump 31, the water injection; learn through observation level gauge 8 when the water level reduces to needs make-up water in the valve body 1, start water pump 31, water pump 31 passes through water injection pipe 4 with the water in the water tank 3 and adds to valve body 1 in, continuously observe level gauge 8, when the liquid level reaches reasonable position in the valve body 1, stop water pump 31's operation, set up level gauge 8, water tank 3 and water pump 31 and can in time add water in to valve body 1, make the water seal check valve can normal operating.

Referring to fig. 3, the communication position of the water injection pipe 4 and the valve body 1 is close to the bottom of the valve body 1, when water is added into the valve body 1, the water enters the valve body 1 through the position close to the bottom of the valve body 1, the disturbance to the original water in the valve body 1 can be reduced, and the possibility that the water enters the immersion pipe 5 is reduced; be provided with check valve 7 in the water injection pipe 4, check valve 7 can prevent that the water in the valve body 1 from backflowing to in the water tank 3.

Referring to fig. 1 and 3, a top plate of the water tank 3 is communicated with a water feeding pipe 33, an opening of the water feeding pipe 33 is in threaded connection with a sealing cover 331, when the water amount in the water tank 3 is too small, water is supplemented into the water tank 3 through the water feeding pipe 33, and after the water is supplemented, the opening of the water feeding pipe 33 is sealed by the sealing cover 331 so as to reduce dust entering the water tank 3; a first one-way air valve 32 is fixedly penetrated through the top plate of the water tank 3, when the water pump 31 adds water into the valve body 1, the water in the water tank 3 is gradually reduced, the air is gradually increased, the external air enters the water tank 3 through the first one-way air valve 32 to keep the balance between the internal air pressure of the water tank 3 and the external air pressure, and the smooth water adding into the valve body 1 is ensured; the water tank 3 is the water tank 3 made of transparent raw materials, the water tank 3 is made of transparent raw materials, the surplus of water in the water tank 3 can be observed and known in real time, and an operator can conveniently replenish water into the water tank 3 in time.

Referring to fig. 1 and 2, an overflow pipe 51 is welded and fixed in the valve body 1, the overflow pipe 51 is close to the immersion pipe 5 and is consistent with the trend of the immersion pipe 5, the port of the overflow pipe 51 towards the gas outlet 12 is lower than the port of the immersion pipe 5 towards the gas outlet 12, one end of the overflow pipe 51 far away from the gas outlet 12 penetrates out of the valve body 1 and the gas inlet 11 and is communicated with a water return pipe 6, the water return pipe 6 is communicated with one side of the water tank 3 far away from the valve body 1, if due to negligence, when excessive water is added into the valve body 1, the excessive water can flow back into the water tank 3 through the overflow pipe 51, so that the water amount.

Referring to fig. 1, the liquid level meter 8 is made of transparent raw materials, scales are arranged on the outer surface of the liquid level meter 8, the bottom end of the liquid level meter 8 is communicated with the position near the middle of one end of the valve body 1, the liquid level meter 8 is made to be transparent, an operator can conveniently observe the liquid level in the liquid level meter 8 to determine the liquid level in the valve body 1, and the liquid level in the valve body 1 can be accurately known by comparing the liquid level of the liquid level meter 8 with the scales; the top intercommunication of level gauge 8 has muffler 9, muffler 9 is kept away from the one end of level gauge 8 and the top intercommunication of valve body 1, the intercommunication department welded fastening of level gauge 8 and muffler 9 has second check valve 81, can get into the precision that coal gas influences level gauge 8 in the level gauge 8 sometimes, set up muffler 9 back, coal gas in the level gauge 8 can be in muffler 9 reentrant valve body 1, improve the precision of level gauge 8, second check valve 7 can prevent that coal gas in the valve body 1 from flowing backwards to level gauge 8 in through muffler 9.

The implementation principle of a water seal check valve in the embodiment of the application is as follows: the water level in the valve body 1 can be obtained by observing the liquid level meter 8, when the water level in the valve body 1 is reduced to the level needing to be supplemented with water, the water pump 31 is started, the water in the water tank 3 is added into the valve body 1 by the water pump 31 through the water injection pipe 4, the check valve 7 can prevent the water in the valve body 1 from flowing backwards into the water tank 3, the liquid level meter 8 is continuously observed, when the liquid level in the valve body 1 reaches a reasonable position, the water pump 31 is stopped from running and adding water, the liquid level meter 8, the water tank 3 and the water pump 31 are arranged to add water into the valve body 1 in time, and the water seal check valve can normally run; after the top end of the liquid level meter 8 is communicated with the air return pipe 9, coal gas in the liquid level meter 8 can enter the valve body 1 again through the air return pipe 9, and the accuracy of the liquid level meter 8 is improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a water seal check valve, includes inside hollow valve body (1), the bottom of valve body (1) is equipped with base (2), its characterized in that: the side of valve body (1) is equipped with air inlet (11), air inlet (11) in-connection has immersion pipe (5) that are used for carrying the coal gas, immersion pipe (5) are located valve body (1), the top of valve body (1) is equipped with gas outlet (12), the port that air inlet (11) were kept away from in immersion pipe (5) is towards gas outlet (12), the splendid attire has water in valve body (1), the lateral wall of base (2) has set firmly water tank (3), water pump (31) have set firmly in water tank (3), the delivery port intercommunication of water pump (31) has water injection pipe (4), water injection pipe (4) run through the inner wall of water tank (3) and the lateral wall and the inside intercommunication of valve body (1) of base (2), be provided with check valve (7) in water injection pipe (4), one side of valve body (1) is provided with level gauge (8) that are used for sur.

2. The water seal check valve according to claim 1, wherein: the top of the water tank (3) is communicated with a water adding pipe (33), and an opening of the water adding pipe (33) is provided with a sealing cover (331) used for sealing the opening of the water adding pipe (33).

3. The water seal check valve according to claim 2, wherein: the water tank (3) is made of transparent raw materials.

4. The water seal check valve according to claim 2, wherein: the top of the water tank (3) is fixedly provided with a first one-way air valve (32) which keeps the balance between the inside of the water tank (3) and the outside air pressure.

5. The water seal check valve according to claim 1, wherein: the communicating position of the water injection pipe (4) and the valve body (1) is close to the bottom of the valve body (1).

6. The water seal check valve according to claim 1, wherein: an overflow pipe (51) is fixedly arranged in the valve body (1), the overflow pipe (51) is close to the immersion pipe (5), the port of the overflow pipe (51) facing the gas outlet (12) is lower than the port of the immersion pipe (5) facing the gas outlet (12), one end of the overflow pipe (51) far away from the gas outlet (12) penetrates out of the valve body (1) and the gas inlet (11) and is communicated with a water return pipe (6), and the water return pipe (6) is communicated with the water tank (3).

7. The water seal check valve according to claim 1, wherein: the liquid level meter (8) is the liquid level meter (8) made of transparent raw materials, scales are arranged on the outer surface of the liquid level meter (8), and the bottom end of the liquid level meter (8) is communicated with the position, close to the middle, of one end of the valve body (1).

8. The water seal check valve according to claim 7, wherein: the top intercommunication of level gauge (8) has muffler (9), and the one end and valve body (1) intercommunication of level gauge (8) are kept away from in muffler (9), and the intercommunication department of level gauge (8) and muffler (9) is equipped with one-way pneumatic valve (81) of second.