CN216112654U

CN216112654U - Chemical industry safety ring protects atmospheric pressure isolating valve

Info

Publication number: CN216112654U
Application number: CN202122852728.5U
Authority: CN
Inventors: 何伟; 朱凯; 王爱刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-21
Filing date: 2021-11-21
Publication date: 2022-03-22
Anticipated expiration: 2031-11-21

Abstract

The utility model provides a chemical safety environment-friendly air pressure isolating valve. The chemical safety environment-friendly air pressure isolating valve comprises an isolating valve body; the connecting pipe is arranged on the isolating valve body and communicated with the isolating valve body; the expansion pipe is fixedly arranged on one end of the connecting pipe, and one end of the connecting pipe extends into the expansion pipe; the contraction pipe is arranged on one side of the contraction pipe; the discharge pipe is arranged on one side of the contraction pipe, and one end of the discharge pipe extends into the contraction pipe; the cartridge filter sets up in the extension pipe, the one end of cartridge filter extends to in the connecting tube. The chemical safety environment-friendly air pressure isolating valve provided by the utility model has the advantages of convenience in operation, capability of primarily filtering the discharged gas and prolonging the service life of the isolating valve.

Description

Chemical industry safety ring protects atmospheric pressure isolating valve

Technical Field

The utility model relates to the technical field of isolation valves, in particular to a chemical safety environment-friendly air pressure isolation valve.

Background

Chemical process is that the mode through chemistry is rotten to current material, resynthesis, thereby obtain the technique of new material, simultaneously at chemical production's in-process, can exist the phenomenon with chemical waste gas emission, and can not cause the influence to natural ecology for exhaust chemical gas, chemical gas filters earlier generally, reach qualified emission standard after externally discharging, can set up the atmospheric pressure isolating valve on the delivery pipe at chemical gas filterable in-process, the atmospheric pressure isolating valve sets up between intake pipe and exhaust-gas treatment cauldron usually, when the treatment of waste gas is carried out to the exhaust-gas treatment cauldron, seal the intake pipe, just too high atmospheric pressure can not be deposited in order to guarantee the exhaust-gas treatment cauldron.

Atmospheric pressure isolating valve among the prior art is at the in-process that uses, can't carry out preliminary filtration treatment to the combustion gas, produce exhaust in-process at chemical waste gas just, the particulate impurity that produces when probably doping a large amount of equipment chemicals, not only can increase the accord of handling the cauldron if directly discharging to the exhaust-gas treatment cauldron, the long-time emission can form the chemical industry dirt in the valve simultaneously in the atmospheric pressure isolating valve, not only can cause the reduction of the life of atmospheric pressure isolating valve, when the staff carries out periodic maintenance to the valve body simultaneously, also can direct contact this type of harmful substance, thereby cause the influence to staff's health.

Therefore, there is a need to provide a new chemical safety and environmental protection air pressure isolation valve to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing the chemical safety environment-friendly air pressure isolating valve which is convenient and fast to operate, can carry out primary filtration on the discharged gas and prolongs the service life of the isolating valve.

In order to solve the technical problem, the utility model provides a chemical safety environment-friendly air pressure isolation valve which comprises: an isolation valve body; the connecting pipe is arranged on the isolating valve body and communicated with the isolating valve body; the expansion pipe is fixedly arranged on one end of the connecting pipe, and one end of the connecting pipe extends into the expansion pipe; the contraction pipe is arranged on one side of the contraction pipe; the discharge pipe is arranged on one side of the contraction pipe, and one end of the discharge pipe extends into the contraction pipe; the cartridge filter sets up in the extension pipe, the one end of cartridge filter extends to in the connecting tube.

Preferably, the outer wall of the discharge pipe is provided with a threaded sleeve in a threaded manner, the outer wall of the shrinkage pipe is fixedly provided with a rotating disc, and the rotating disc is rotatably connected with the outer wall of one side of the threaded sleeve.

Preferably, the outer wall of the threaded sleeve is fixedly provided with an annular disc, the outer wall of one side of the annular disc is provided with a plurality of thread caulking grooves, the outer wall of the shrinkage pipe is fixedly provided with a fixing plate, the outer wall of one side of the fixing plate is provided with a bolt in a threaded manner, one end of the bolt penetrates through the fixing plate and extends to the corresponding part in the thread caulking grooves, and the bolt is screwed with the corresponding inner wall of the thread caulking grooves.

Preferably, fixed mounting has the sealed dish on the outer wall of shrink pipe, two openings have been seted up on the outer wall of one side of sealed dish, fixed mounting has two boxes, two on the outer wall of extension pipe all be provided with the extension rod on the outer wall of one side of box, two the one end of extension rod runs through two respectively the opening, two equal fixed mounting has the fixture block on one end of extension rod.

Preferably, two equal slidable mounting has the lifter plate in the box, two one side of lifter plate extends to two respectively outside the box and respectively with two one side fixed connection of extension rod, two equal fixed mounting has the spring on the one side inner wall that the box is close to each other, two the one end of spring respectively with two one side outer wall fixed connection of lifter plate.

Preferably, two limiting sliding holes are formed in the outer wall of one side of the sealing disc, two limiting sliding rods are fixedly mounted on the outer wall of one side of the box body, and one ends of the two limiting sliding rods penetrate through the two limiting sliding holes and are connected with the two limiting sliding holes in a sliding mode.

Compared with the related technology, the chemical safety environment-friendly air pressure isolating valve provided by the utility model has the following beneficial effects:

the utility model provides a chemical safety environment-friendly air pressure isolating valve, when the valve is installed, a worker can rotate a threaded sleeve reversely to enable a contraction pipe to move reversely, when the contraction pipe drives a sealing disc to move reversely, the sealing disc can be abutted against two clamping blocks reversely, so that the two clamping blocks move oppositely, two lifting plates respectively compress two springs, then the two clamping blocks respectively enter two through holes, finally when the opening of an expansion pipe is sealed by the sealing disc, the two clamping blocks are just moved out of the two through holes, the two clamping blocks move backwards under the reset of the two springs, and then the two clamping blocks are clamped on the outer walls of the two sealing discs, so that a filter cartridge is replaced.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of a chemical safety environmental protection pneumatic isolation valve according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

fig. 4 is a side view of the threaded sleeve of fig. 1.

Reference numbers in the figures: 1. an isolation valve body; 2. a connecting pipe; 3. an extension tube; 4. a shrink tube; 5. a discharge pipe; 6. a threaded sleeve; 7. rotating the disc; 8. sealing the disc; 9. a filter cartridge; 10. a box body; 11. a lifting plate; 12. a port; 13. an extension pole; 14. a clamping block; 15. a pressure lever; 16. a spring; 17. an annular disc; 18. and (7) fixing the plate.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1 to fig. 4, fig. 1 is a schematic structural diagram of a chemical safety environmental protection air pressure isolation valve according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 1; fig. 4 is a side view of the threaded sleeve of fig. 1. Chemical industry safety ring protects atmospheric pressure isolating valve includes: an isolation valve body 1; the connecting pipe 2 is arranged on the isolating valve body 1, and the connecting pipe 2 is communicated with the isolating valve body 1; the expansion pipe 3 is fixedly arranged on one end of the connecting pipe 2, and one end of the connecting pipe 2 extends into the expansion pipe 3; the contraction tube 4, the contraction tube 4 is arranged on one side of the contraction tube 4; the discharge pipe 5 is arranged on one side of the contraction pipe 4, and one end of the discharge pipe 5 extends into the contraction pipe 4; the filter cartridge 9, the filter cartridge 9 is arranged in the extension pipe 3, one end of the filter cartridge 9 extends into the connecting pipe 2, the extension pipe 3 is used for preventing the filter cartridge 9, a strong paste is arranged on the inner wall of the extension pipe 3, when the filter cartridge 9 is placed, the filter cartridge 9 can be fixed on the inner wall of the extension pipe 3 through the strong paste after being prevented from entering the connecting pipe 2, a section of external thread is arranged on the outer wall of the discharge pipe 5, the thread bushing 6 is sleeved on the external thread and screwed with the external thread, a rubber seal ring is fixedly covered on the inner wall of the whole section of the contraction pipe 4, so that gas can not leak in the moving process of the contraction pipe 4, an annular slide way is arranged on the outer wall of one side of the thread bushing 6, a ring-shaped slide block is fixedly arranged on the outer wall of one side of the rotating disc 7, the ring-shaped slide block is connected with the inner wall of the annular slide way in a sliding manner, and the ring-shaped slide block is an embedded T-shaped slide block, therefore, the rotating disc 7 and the shrinkage pipe 4 can be pulled to transversely move in the transverse moving process of the thread bush 6.

In order to flexibly adjust the shrinkage pipe 4, separate the sealing disc 8 from the expansion pipe 3 and facilitate the replacement of the filter cartridge 9, in this embodiment, it is preferable that the outer wall of the discharge pipe 5 is threadedly provided with a threaded sleeve 6, the outer wall of the shrinkage pipe 4 is fixedly provided with a rotating disc 7, and the rotating disc 7 is rotatably connected with one side outer wall of the threaded sleeve 6.

In order to prevent the thread bushing 6 from rotating under external force after the filter cartridge 9 is replaced, so as to prevent the shrinkage pipe 4 from loosening, in this embodiment, it is preferable that an annular disc 17 is fixedly mounted on an outer wall of the thread bushing 6, a plurality of thread caulking grooves are formed in an outer wall of one side of the annular disc 17, a fixing plate 18 is fixedly mounted on an outer wall of the shrinkage pipe 4, a bolt is threadedly mounted on an outer wall of one side of the fixing plate 18, one end of the bolt penetrates through the fixing plate 18 and extends into the corresponding thread caulking groove, and the bolt is screwed with an inner wall of the corresponding thread caulking groove.

The outer wall of the contraction pipe 4 is fixedly provided with a sealing disc 8, the outer wall of one side of the sealing disc 8 is provided with two through holes 12, the outer wall of the expansion pipe 3 is fixedly provided with two boxes 10, the outer wall of one side of each of the two boxes 10 is provided with an extension rod 13, one end of each of the two extension rods 13 respectively penetrates through the two through holes 12, one end of each of the two extension rods 13 is fixedly provided with a fixture block 14, the outer wall of one side of each of the two fixture blocks 14 is provided with an inclined surface, so that the fixture blocks 14 can be abutted when the sealing disc 8 transversely moves, the two fixture blocks 14 automatically move in opposite directions, the outer wall of one side of the expansion pipe 3 is further fixedly provided with an annular abutting block, the outer wall of the annular abutting block is wrapped with a sealing gasket, the outer wall of one side of the sealing disc 8 is provided with an annular sealing groove, and the annular abutting block and the sealing gasket enter the annular sealing groove in the movement process of the contraction pipe 4, thereby ensuring sealability between the seal disk 8 and the extension pipe 3 and preventing gas leakage.

In order to carry out the effect that automatic card was held to sealed dish 8, simplify holistic operating is, reach the effect of raising the efficiency, in this embodiment, preferably, two equal slidable mounting has lifter plate 11, two in the box 10 one side of lifter plate 11 extends to two respectively the box 10 is outer and respectively with two one side fixed connection of extension rod 13, two equal fixed mounting has spring 16, two on the one side inner wall that the box 10 is close to each other one side outer wall fixed connection of lifter plate 11, the setting of two springs 16 can make two fixture blocks 14 hold all the time on sealed dish 8's outer wall under the condition that does not receive external force to influence.

In order to enable the sealing disc 8 to keep horizontal and transverse movement and enable the two clamping blocks 14 to accurately enter the two through holes 12, in the embodiment, preferably, two limiting sliding holes are formed in the outer wall of one side of the sealing disc 8, two limiting sliding rods are fixedly mounted on the outer wall of one side of the box body 10, and one ends of the two limiting sliding rods respectively penetrate through the two limiting sliding holes and are in sliding connection with the two limiting sliding holes.

The working principle of the chemical safety environment-friendly air pressure isolating valve provided by the utility model is as follows:

in-process that isolation valve body 1 used, realize the isolation and the transport to gas through switching isolation valve body 1 to at gas emission's in-process, cartridge filter 9 can be effectual adsorbs some particulate impurities in the gaseous emission of will discharging, thereby plays the effect of protection isolation valve body 1.

Meanwhile, in the long-time use process of the filter cartridge 9, a large amount of chemical particles may be accumulated in the filter cartridge 9, at this time, in order to maintain the normal performance of the filter cartridge 9, the filter cartridge 9 needs to be replaced and cleaned, at this time, a worker can rotate the bolt to screw out the threads from the corresponding thread caulking grooves, then the thread bushing 6 is rotated, the thread bushing 6 is rotated to transversely move along the discharge pipe 5 under the transmission of the threads, at this time, the contraction pipe 4 cannot rotate along with the rotation of the thread bushing 6 because the contraction pipe 4 cannot rotate due to the limiting effect of the two limiting slide rods, but keeps transversely moving under the pulling of the thread bushing 6, and before the thread bushing 6 is rotated, the two pressure rods 15 need to be respectively pressed to move in the vertical direction, so that the two extension rods 13 vertically move, and finally drive the two fixture blocks 14 to move, when two fixture blocks 14 are not in contact with the outer wall of the sealing disc 8, the threaded sleeve 6 is rotated again at the moment, so that the shrinkage pipe 4 can move transversely, the sealing disc 8 is separated from the expansion pipe 3, and when the shrinkage pipe 4 moves to the maximum distance, a worker can take out the filter cartridge 9 in the expansion pipe 3 to replace and clean the expansion pipe.

When the installation, the staff can the antiport thread bush 6, make 4 antiport of shrink tube, when 4 antiport seal dish 8 moves in shrink tube, seal dish 8 can reverse conflict two fixture blocks 14, thereby make two fixture blocks 14 remove in opposite directions, and make two lifter plates 11 compress two springs 16 respectively, later two fixture blocks 14 get into two openings 12 respectively, finally when seal dish 8 seals the opening of extension pipe 3, two fixture blocks 14 just shift out in by two openings 12, two fixture blocks 14 remove dorsad under two springs 16's the restoration, thereby the card is held on two seal dish 8's outer wall, with this change to cartridge filter 9 of realization.

the utility model provides a chemical safety environment-friendly air pressure isolating valve, which can effectively adsorb some particle impurities in gas through the arrangement of a filter cylinder 9 in the process of chemical gas emission, thereby reducing the influence of chemical particles on the interior of an isolating valve body 1, realizing effective protection of the isolating valve body 1, prolonging the service life of the isolating valve body 1, effectively avoiding the influence on the health of workers during maintenance, simultaneously quickly realizing replacement of the filter cylinder 9 and keeping the stability of the adsorption performance of the filter cylinder 9.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a chemical industry safety ring protects atmospheric pressure isolating valve which characterized in that includes:

an isolation valve body;

the connecting pipe is arranged on the isolating valve body and communicated with the isolating valve body;

the expansion pipe is fixedly arranged on one end of the connecting pipe, and one end of the connecting pipe extends into the expansion pipe;

the contraction pipe is arranged on one side of the contraction pipe;

the discharge pipe is arranged on one side of the contraction pipe, and one end of the discharge pipe extends into the contraction pipe;

the cartridge filter sets up in the extension pipe, the one end of cartridge filter extends to in the connecting tube.

2. The chemical safety and environmental protection air pressure isolating valve as claimed in claim 1, wherein the outer wall of the discharge pipe is provided with a threaded sleeve in a threaded manner, the outer wall of the shrinkage pipe is fixedly provided with a rotating disc, and the rotating disc is rotatably connected with the outer wall of one side of the threaded sleeve.

3. The chemical safety and environmental protection air pressure isolating valve as claimed in claim 2, wherein an annular disc is fixedly mounted on the outer wall of the threaded sleeve, a plurality of threaded caulking grooves are formed in the outer wall of one side of the annular disc, a fixing plate is fixedly mounted on the outer wall of the shrinkage pipe, bolts are threadedly mounted on the outer wall of one side of the fixing plate, one ends of the bolts penetrate through the fixing plate and extend into the corresponding threaded caulking grooves, and the bolts are screwed with the inner walls of the corresponding threaded caulking grooves.

4. The chemical industry safety ring protects atmospheric pressure isolating valve of claim 1, characterized in that, the outer wall of shrink pipe is fixed with the sealed dish, seted up two openings on the outer wall of one side of sealed dish, fixed mounting has two boxes on the outer wall of extension pipe, all is provided with the extension rod on the outer wall of one side of two boxes, two the one end of extension rod runs through two respectively the opening, two all fixed mounting has the fixture block on the one end of extension rod.

5. The chemical safety and environmental protection air pressure isolating valve as claimed in claim 4, wherein a lifting plate is slidably mounted in each of the two boxes, one side of each of the two lifting plates extends out of each of the two boxes and is fixedly connected with one side of each of the two extension rods, a spring is fixedly mounted on an inner wall of one side of each of the two boxes close to each other, and one end of each of the two springs is fixedly connected with an outer wall of one side of each of the two lifting plates.

6. The chemical industry safety environmental protection air pressure isolating valve as claimed in claim 5, wherein two limiting slide holes are formed on the outer wall of one side of the sealing disc, limiting slide rods are fixedly mounted on the outer wall of one side of each of the two boxes, and one end of each of the two limiting slide rods respectively penetrates through the two limiting slide holes and is in sliding connection with the two limiting slide holes.