CN213839884U

CN213839884U - A joint sealing structure for decoking control valve

Info

Publication number: CN213839884U
Application number: CN202022229399.4U
Authority: CN
Inventors: 贾云霄; 李育松; 贾丽
Original assignee: Wuhan Svoboda Automation Co ltd
Current assignee: Wuhan Svoboda Automation Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-30
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a joint sealing structure for a decoking control valve, which comprises a body, wherein the left side of the body is provided with a left connector, the right side of the body is provided with a right connector, the outer side wall of the body is sleeved with a protective cover, a first graphite layer and a first sealing layer are arranged in the side wall of the protective cover, a cavity is arranged in the protective cover, the inner side wall of the protective cover is fixedly connected with a fixed block, a bell is movably connected on the fixed block, sealing gaskets are fixedly arranged at the two sides of the body, when the connecting pipe is broken, liquid only leaks into the cavity in the protective cover through the arranged protective cover, the leakage can not happen, when the connecting pipe is broken in a large area, most of the liquid can be flushed into the cavity in the protective cover, at the moment, under the flushing action of the liquid, the bell in the cavity can make a sound, and then the staff can be reminded that the inner pipe is broken, should change in time, just so can reduce the risk that the resource runs off.

Description

Joint sealing structure for decoking control valve

Technical Field

The utility model belongs to the technical field of the decoking control valve, concretely relates to connect seal structure for decoking control valve.

Background

The decoking control valve is a valve special for a hydraulic decoking system of a delayed coking device in the petrochemical industry, is arranged on an outlet pipeline of a high-pressure water pump, controls the flow direction of high-pressure water flow, and has three working conditions of full closing (bypass flow), pre-charging and full opening.

At present, the joint of the traditional decoking control valve achieves the sealing effect, but when the pipeline is broken at the joint, the internal resources are greatly lost, if the staff handles the joint in time, more resources are lost, and then a large amount of cost is lost, so that the joint sealing structure for the decoking control valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect seal structure for decoking control valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a connect seal structure for decoking control valve, includes the body, the body left side is provided with left interface, the body right side is provided with right interface, the protection casing has been cup jointed to the body lateral wall, be provided with first graphite layer and first sealing layer in the protection casing lateral wall, the inside cavity that is provided with of protection casing, protection casing inside wall fixedly connected with fixed block, swing joint has small bell on the fixed block, body both sides fixed mounting has sealed the pad, the flange has been cup jointed outside sealed the pad, sealed pad and flange threaded connection have the bolt, bolt afterbody threaded connection has the nut.

Preferably, a second graphite layer and a second sealing layer are arranged inside the side wall of the body.

Preferably, a thread groove is formed in the right connector, and a circular sleeve is movably mounted on the thread groove.

Preferably, a filter screen and a cross bar are fixedly arranged in the circular sleeve.

Preferably, the sealing gasket and the flange are provided with through holes.

Preferably, the bells are arranged in a plurality and are uniformly distributed in the cavity.

Preferably, the two connecting discs are arranged and symmetrically distributed on two sides of the body.

Preferably, the sealing gasket and the flange are both circular, and circular holes are formed in the centers of the sealing gasket and the flange.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this a joint seal structure for decoking control valve, when the connecting pipe takes place to break, through the protection casing that sets up, in the cavity in the protection casing can only be leaked into to liquid, the condition that can not take place to leak, when the connecting pipe takes place the large tracts of land and breaks, most liquid can rush into in the cavity in the protection casing, under the scouring action of liquid this moment, can make the small bell in the cavity send out the sound, then just can remind the staff inner tube to have taken place to break, should in time change, just so can reduce the risk of resource loss.

(2) This a joint seal structure for decoking control valve, through the filter screen that sets up, can filter the inside particulate matter of liquid and other impurity, improved the quality of liquid then for subsequent result of use is better, through flange, bolt and the nut that sets up, can dock the connecting pipe on other devices, through the sealed pad that sets up, can prevent that liquid from taking place to leak in the circulation, causes the loss of resource.

Drawings

Fig. 1 is a schematic perspective view of the main body of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a body; 2. a left interface; 3. a right interface; 4. a protective cover; 5. a first graphite layer; 6. a first sealing layer; 7. a cavity; 8. a fixed block; 9. a bell; 10. a gasket; 11. receiving a plate; 12. a bolt; 13. a nut; 14. a second graphite layer; 15. a second sealing layer; 16. a thread groove; 17. a circular sleeve; 18. a filter screen; 19. a cross bar; 20. and a through hole.

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.

Please refer to fig. 1-3, the utility model provides a joint seal structure for decoking control valve, including body 1, body 1 left side is provided with left interface 2, body 1 right side is provided with right interface 3, body 1 lateral wall has cup jointed protection casing 4, be provided with first graphite layer 5 and first sealing layer 6 in the protection casing 4 lateral wall, the inside cavity 7 that is provided with of protection casing 4, protection casing 4 inside wall fixedly connected with fixed block 8, swing joint has small bell 9 on the fixed block 8, body 1 both sides fixed mounting has sealed the pad 10, sealed pad 10 outside has cup jointed flange 11, sealed pad 10 and flange 11 threaded connection have bolt 12, bolt 12 afterbody threaded connection has nut 13.

In this embodiment, it is preferable that the second graphite layer 14 and the second sealing layer 15 are provided inside the side wall of the main body 1, and the provided second graphite layer 14 can provide waterproof, anticorrosive, and high temperature resistant functions.

In this embodiment, preferably, the right connector 3 is provided with a thread groove 16, the thread groove 16 is movably provided with a circular sleeve 17, and the second sealing layer 15 is arranged, so that the waterproof performance of the body 1 can be further improved, liquid leakage can be prevented, damage to the device can be prevented, and the cost is increased.

In this embodiment, preferred, circular cover 17 internal fixed mounting has filter screen 18 and horizontal pole 19, and through the filter screen 18 that sets up, can filter the inside particulate matter of liquid and other impurity, has then improved the quality of liquid for subsequent result of use is better.

In this embodiment, it is preferable that the sealing gasket 10 and the flange 11 are provided with through holes 20, and a space is provided for installing the bolt 12 through the provided through holes 20.

In the embodiment, preferably, a plurality of bells 9 are arranged and uniformly distributed in the cavity 7, and the produced sound is louder when the pipeline is broken through the arranged bells 9, so that the worker can hear the sound in time.

In this embodiment, preferably, two receiving discs 11 are arranged and symmetrically distributed on two sides of the body 1, and by arranging the receiving discs 11, two ends of the body 1 can be butted with other devices.

In this embodiment, preferably, sealed 10 and flange 11 of filling up are circular, and sealed 10 and flange 11 central authorities have all seted up the circular port, through setting up the circular port, for the circulation of liquid, provide the space.

The utility model discloses a theory of operation and use flow: when the connecting pipe is broken, liquid only leaks into the cavity 7 in the protective cover 4 through the arranged protective cover 4, the leakage is avoided, when the connecting pipe is broken in a large area, most of the liquid can flush into the cavity 7 in the protective cover 4, at the moment, under the flushing action of the liquid, the bell 9 in the cavity 7 can make a sound, the inner pipe can be reminded to break by workers, the replacement is carried out in time, the risk of resource loss can be reduced, particulate matters and other impurities in the liquid can be filtered through the arranged filter screen 18, the quality of the liquid is improved, the subsequent using effect is better, when the filter screen 18 needs to be cleaned, the circular sleeve 17 can be taken out through the arranged cross rod 19, and then the filter screen 18 in the liquid can be cleaned, prevent not to wash for a long time, lead to inside jam, flange 11 through setting up, bolt 12 and nut 13, can dock the connecting pipe on other devices, through the sealed pad 10 that sets up, can prevent that liquid from taking place to leak in the circulation, cause the loss of resource, through the second graphite layer 14 that sets up, can play waterproof, anticorrosion, the effect of high temperature resistance, through the second sealing layer 15 that sets up, can further improve the waterproof performance of body 1, prevent that liquid from taking place to leak, cause the harm to the device, and the cost is improved.

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. A joint sealing structure for a decoking control valve, comprising a body (1), characterized in that: the utility model discloses a novel energy-saving device, including body (1), protection casing (4), first graphite layer (5) and first sealing layer (6) are provided with in the protection casing (4) lateral wall, body (1) left side is provided with left interface (2), body (1) right side is provided with right interface (3), protection casing (4) lateral wall has been cup jointed, be provided with first graphite layer (5) and first sealing layer (6) in protection casing (4) lateral wall, protection casing (4) inside wall fixedly connected with fixed block (8), swing joint has small bell (9) on fixed block (8), body (1) both sides fixed mounting has sealed pad (10), flange (11) have been cup jointed in sealed pad (10) outside, sealed pad (10) and flange (11) threaded connection have bolt (12), bolt (12) afterbody threaded connection has nut (13).

2. A joint seal structure for a decoking control valve according to claim 1, wherein: a second graphite layer (14) and a second sealing layer (15) are arranged inside the side wall of the body (1).

3. A joint seal structure for a decoking control valve according to claim 1, wherein: a thread groove (16) is formed in the position of the right connector (3), and a circular sleeve (17) is movably mounted on the thread groove (16).

4. A joint seal structure for a decoking control valve according to claim 3, wherein: a filter screen (18) and a cross bar (19) are fixedly arranged in the circular sleeve (17).

5. A joint seal structure for a decoking control valve according to claim 1, wherein: the sealing gasket (10) and the flange (11) are both provided with through holes (20).

6. A joint seal structure for a decoking control valve according to claim 1, wherein: the bells (9) are arranged in a plurality and are uniformly distributed in the cavity (7).

7. A joint seal structure for a decoking control valve according to claim 1, wherein: the two connecting discs (11) are arranged and symmetrically distributed on two sides of the body (1).

8. A joint seal structure for a decoking control valve according to claim 1, wherein: the sealing gasket (10) and the connecting disc (11) are both circular, and circular holes are formed in the centers of the sealing gasket (10) and the connecting disc (11).