CN215293616U

CN215293616U - High-performance chlorine special valve with air leakage alarm function

Info

Publication number: CN215293616U
Application number: CN202121653600.XU
Authority: CN
Inventors: 皱文静; 曹永鑫; 周燕
Original assignee: Jiangsu Ming Jiang Valve Co ltd
Current assignee: Jiangsu Ming Jiang Valve Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-24
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a high-performance special chlorine valve with air leakage alarm function, which comprises a valve body, wherein the left side of the valve body is provided with a left connecting flange; a gas pressure sensor disposed above the valve body; the alarm is arranged on the right side of the gas pressure sensor, and a gas flowmeter is arranged on the right side of the alarm; a right connecting flange provided at a right side of the valve body; the valve cavity is arranged inside the valve body, and a valve seat is arranged inside the valve cavity. Compared with the prior art, the utility model provides a special valve of high performance chlorine with gas leakage alarming function possesses following beneficial effect: be provided with alarm and gas flowmeter on this special valve of high performance chlorine, gas flowmeter detects that the inside gas flow of valve body reduces and reports to the police through controller control alarm, reminds the staff to carry out the inspection and maintenance, avoids chlorine to leak in a large number, gives other people and air and causes the injury.

Description

High-performance chlorine special valve with air leakage alarm function

Technical Field

The utility model relates to a special valve technical field of chlorine specifically is a special valve of high performance chlorine with gas leakage alarming function.

Background

The special valve for chlorine is designed for chlorine, liquid chlorine and various high-risk media, the sealing of the special valve is additionally provided with a bellows seal besides a filler, so that the special valve has a double-seal structure, the leakage of the dangerous media can be effectively prevented, and structurally, in combination with the practical situation of domestic and foreign valve application, a valve clack and a valve seat sealing pair adopt polytetrafluoroethylene and stellite hard alloy which are resistant to strong corrosion, the special valve has the characteristics of stable sealing performance, safe and reliable use, strong corrosion resistance, no medium internal and external leakage, light operation and the like, and the main technical indexes of the special valve for chlorine, the maintainability, the safety and the like reach the level of world famous products to replace imported products.

The existing special chlorine valve does not have an air leakage alarm function, so that workers are difficult to find fine air leakage, serious industrial accidents can be caused, the pressure in an air pipe cannot be monitored, and the special high-performance chlorine valve with the air leakage alarm function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special valve of high performance chlorine with gas leakage alarming function to it does not have gas leakage alarming function to propose the special valve of current chlorine among the above-mentioned background art to solve, makes the staff be difficult to discover slight gas leakage, may lead to very heavy industrial accident, and can't monitor the problem of the pressure in the trachea.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance special valve for chlorine gas with a gas leakage alarm function comprises:

the left side of the valve body is provided with a left connecting flange;

a gas pressure sensor disposed above the valve body;

the alarm is arranged on the right side of the gas pressure sensor, and a gas flowmeter is arranged on the right side of the alarm;

a right connecting flange provided at a right side of the valve body;

the valve cavity is arranged inside the valve body, and a valve seat is arranged inside the valve cavity;

and a gas port provided below the valve seat.

Preferably, the gas pressure sensor is in threaded connection with the valve body, and the gas pressure sensor penetrates through the interior of the valve body.

Preferably, the alarm is in threaded connection with the valve body, and the alarm is electrically connected with the gas flowmeter.

Preferably, the gas flowmeter is in threaded connection with the valve body, and the gas flowmeter penetrates through the interior of the valve body.

Preferably, the valve seat is further provided with:

the blocking block is arranged inside the valve seat, and a return spring is arranged above the blocking block;

the connecting block is arranged above the return spring, and a connecting bearing is arranged in the connecting block;

the screw rod is arranged above the connecting bearing, and an operating handle is arranged above the screw rod;

and the guide hole is arranged on one side of the connecting bearing, and a guide rod penetrates through the interior of the guide hole.

Preferably, the plugging block is elastically connected with the connecting block through a return spring, and the size of the plugging block is larger than that of the gas through hole.

Preferably, the screw rod is rotated on the connecting block through a connecting bearing, the guide rod penetrates through the inside of the guide hole, and the guide rod is connected with the blocking block in a welding mode.

Compared with the prior art, the utility model provides a special valve of high performance chlorine with gas leakage alarming function possesses following beneficial effect: be provided with alarm and gas flowmeter on this special valve of high performance chlorine, gas flowmeter detects and reports to the police through controller control alarm when the inside gas flow of valve body reduces, reminds the staff to inspect and maintain, avoids chlorine to leak in a large number, gives other people and air and causes the injury, closes this special valve of high performance chlorine simultaneously, can help the maintainer to carry out the investigation of trouble fast through gas pressure sensor.

1. The utility model can alarm by controlling the alarm through the controller when the gas flow meter detects the reduction of the gas flow in the valve body, thus reminding the staff to check and maintain, avoiding the leakage of a large amount of chlorine and causing harm to people and air;

2. the utility model closes the high-performance chlorine special valve, and can help maintenance personnel to quickly troubleshoot faults through the gas pressure sensor;

3. the utility model discloses a closure of this special valve of high performance chlorine is realized to sprue, connecting block and reset spring, and reset spring provides certain working space for the sprue, avoids the lead screw to expose for a long time and damages outward, can't push away gas through-hole department with the sprue, leads to this special valve of high performance chlorine can't close.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the valve body of the present invention;

FIG. 3 is a schematic view of the internal structure of the valve seat of the present invention;

FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 3 according to the present invention;

fig. 5 is the schematic view of the connection structure of the screw rod and the connecting block of the present invention.

In the figure: 1. a valve body; 2. a left attachment flange; 3. a gas pressure sensor; 4. an operating handle; 5. a screw rod; 6. an alarm; 7. a gas flow meter; 8. a right connecting flange; 9. a valve cavity; 10. a valve seat; 11. a gas vent; 12. blocking; 13. connecting blocks; 14. a return spring; 15. a guide bar; 16. a guide hole; 17. and connecting the bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a high-performance valve dedicated to chlorine gas and having a gas leakage alarm function includes: the left side of the valve body 1 is provided with a left connecting flange 2; a gas pressure sensor 3 provided above the valve body 1; the alarm 6 is arranged on the right side of the gas pressure sensor 3, and a gas flowmeter 7 is arranged on the right side of the alarm 6; a right connecting flange 8 provided on the right side of the valve body 1; the valve cavity 9 is arranged inside the valve body 1, and a valve seat 10 is arranged inside the valve cavity 9; a gas port 11 provided below the valve seat 10; the gas pressure sensor 3 is in threaded connection with the valve body 1, and the gas pressure sensor 3 penetrates through the valve body 1; the alarm 6 is in threaded connection with the valve body 1, and the alarm 6 is electrically connected with the gas flowmeter 7; the gas flowmeter 7 is in threaded connection with the valve body 1, and the gas flowmeter 7 penetrates through the valve body 1; the utility model alarms through the controller control alarm 6 when the gas flowmeter 7 detects that the gas flow in the valve body 1 is reduced, reminds the staff to check and maintain, avoids a great deal of chlorine gas leakage, and causes harm to people and air; the utility model discloses close this special valve of high performance chlorine, can help the maintenance personal to carry out the investigation of trouble fast through gas pressure sensor 3.

As shown in fig. 3, 4 and 5, a high-performance valve dedicated to chlorine gas and having a gas leakage alarm function includes: a block 12 disposed inside the valve seat 10, a return spring 14 being mounted above the block 12; a connecting block 13 installed above the return spring 14, the connecting block 13 having a connecting bearing 17 installed therein; the screw rod 5 is arranged above the connecting bearing 17, and an operating handle 4 is arranged above the screw rod 5; a guide hole 16 provided on one side of the connection bearing 17, the guide hole 16 having a guide rod 15 inserted therein; the blocking block 12 is elastically connected with the connecting block 13 through a return spring 14, and the size of the blocking block 12 is larger than that of the gas through hole 11; the screw rod 5 rotates on the connecting block 13 through a connecting bearing 17, the guide rod 15 penetrates through the inside of the guide hole 16, and the guide rod 15 is connected with the blocking block 12 in a welding mode; the utility model discloses a closure of this special valve of high performance chlorine is realized to sprue 12, connecting block 13 and reset spring 14, and reset spring 14 provides certain working space for sprue 12, avoids lead screw 5 to expose for a long time and damages outward, can't push away 11 departments of gas opening with sprue 12, leads to this special valve of high performance chlorine can't close.

The working principle is as follows: when the high-performance special chlorine valve with the gas leakage alarm function is used, firstly, the gas flowmeter 7 monitors that the chlorine flow in the valve cavity 9 in the valve body 1 is reduced, the gas flowmeter 7 feeds information back to the PLC, the PLC controls the alarm 6 to give an alarm, then, a worker rotates the operating handle 4 and the screw rod 5, the connecting block 13 is pushed to move downwards through the connecting bearing 17, the connecting block 13 pushes the plug block 12 to move in the valve seat 10 through the reset spring 14, the guide rod 15 and the guide hole 16 and plug the gas through hole 11, the high-performance special chlorine valve is closed, and finally, the information monitored by the gas pressure sensor 3 judges that chlorine leakage occurs on one side of the left connecting flange 2 and one side of the right connecting flange 8, namely the working principle of the high-performance special chlorine valve with the gas leakage alarm function.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special valve of high performance chlorine with gas leakage alarming function which characterized in that includes:

the valve comprises a valve body (1), wherein a left connecting flange (2) is arranged on the left side of the valve body (1);

a gas pressure sensor (3) disposed above the valve body (1);

the alarm (6) is arranged on the right side of the gas pressure sensor (3), and a gas flowmeter (7) is arranged on the right side of the alarm (6);

a right connecting flange (8) arranged on the right side of the valve body (1);

the valve cavity (9) is arranged inside the valve body (1), and a valve seat (10) is installed inside the valve cavity (9);

and a gas port (11) that opens below the valve seat (10).

2. The high-performance special valve for chlorine with the air leakage alarm function as claimed in claim 1, wherein the gas pressure sensor (3) is in threaded connection with the valve body (1), and the gas pressure sensor (3) penetrates through the valve body (1).

3. The high-performance special valve for chlorine with the air leakage alarm function is characterized in that the alarm (6) is in threaded connection with the valve body (1), and the alarm (6) is electrically connected with the gas flowmeter (7).

4. The high-performance special valve for chlorine with the air leakage alarm function as claimed in claim 1, wherein the gas flowmeter (7) is in threaded connection with the valve body (1), and the gas flowmeter (7) penetrates through the interior of the valve body (1).

5. The high-performance special valve for chlorine gas with the gas leakage alarm function according to claim 1, wherein the valve seat (10) is further provided with:

the blocking piece (12) is arranged inside the valve seat (10), and a return spring (14) is installed above the blocking piece (12);

a connecting block (13) mounted above the return spring (14), a connecting bearing (17) being mounted inside the connecting block (13);

the screw rod (5) is arranged above the connecting bearing (17), and an operating handle (4) is arranged above the screw rod (5);

and a guide hole (16) which is arranged on one side of the connecting bearing (17), wherein a guide rod (15) penetrates through the interior of the guide hole (16).

6. The high-performance valve special for chlorine gas with the gas leakage alarm function of claim 5, wherein the block (12) is elastically connected with the connecting block (13) through a return spring (14), and the size of the block (12) is larger than that of the gas through hole (11).

7. The special high-performance valve with the gas leakage alarm function for the chlorine gas as claimed in claim 5, wherein the screw rod (5) is rotated on the connecting block (13) through a connecting bearing (17), the guide rod (15) penetrates through the inside of the guide hole (16), and the guide rod (15) is welded with the block (12).