CN210113430U

CN210113430U - Anti-burst safety valve for chemical industry

Info

Publication number: CN210113430U
Application number: CN201920871908.8U
Authority: CN
Inventors: 高新玉; 王红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-02-25
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a burst-proof safety valve for chemical industry, which comprises a first shell, a second shell and a fixed bolt, wherein the second shell is positioned at the lower end of the first shell and is fixedly connected with the first shell through the fixed bolt, a protective grid is fixedly connected with the outer sides of the first shell and the second shell, a protective shell is fixedly connected with the outer side of the protective grid, one side of the second shell is communicated with a pressure exhaust pipe, the lower end of the second shell is communicated with a pressure intake pipe, the inner wall of the second shell is fixedly connected with a separation plate, the upper surface of the separation plate is provided with an air inlet through hole, the upper end of the separation plate is provided with a sealing gasket, and a sealing block is fixedly connected with the upper end of the sealing gasket, the utility model can effectively prevent the safety valve from being burst or the splashing of fragments when the safety valve bursts to cause pipeline damage by arranging, the protective shell plays a role in reinforcing the safety valve, and the overall hardness of the safety valve is improved.

Description

Anti-burst safety valve for chemical industry

Technical Field

The utility model relates to a relief valve specifically is an explosion-proof relief valve for chemical industry.

Background

The safety valve is a special valve which prevents the medium pressure in a pipeline or equipment from exceeding a specified value by discharging the medium to the outside of a system when the medium pressure in the equipment or the pipeline rises to exceed a specified value, belongs to an automatic valve, is mainly used for boilers, pressure containers and pipelines, controls the pressure not to exceed the specified value, and plays an important role in protecting the personal safety and the equipment operation, the safety valve must be subjected to pressure tests before use.

However, the existing safety valve for chemical engineering has some defects in the use process, and the safety valve is not provided with a safety protection net on the whole, so that the safety valve cannot be secondarily prevented from bursting, and fragments cannot be prevented from splashing after bursting. Therefore, the explosion-proof safety valve for the chemical industry is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemical industry is with explosion-proof relief 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: an anti-burst safety valve for chemical engineering comprises a first shell, a second shell and a fixing bolt, wherein the second shell is positioned at the lower end of the first shell and is fixedly connected with the first shell through the fixing bolt, a protective grid is fixedly connected with the outer sides of the first shell and the second shell, a protective shell is fixedly connected with the outer side of the protective grid, one side of the second shell is communicated with a pressure exhaust pipe, the lower end of the second shell is communicated with a pressure intake pipe, the inner wall of the second shell is fixedly connected with a separation plate, the upper end surface of the separation plate is provided with an air inlet through hole, the upper end of the separation plate is provided with a sealing gasket, the upper end of the sealing gasket is fixedly connected with a sealing block, the outer side of the sealing block is fixedly connected with a sealing ring, the outer side of the sealing ring is fixedly connected with a limiting column, the, the spring is located the depression bar outside, casing upper end fixedly connected with roof, depression bar one end is run through out roof upper end and depression bar one end fixedly connected with press the briquetting.

Preferably, the inner wall of the second shell is provided with a through hole, the limiting column is located inside the through hole and made of rubber.

Preferably, the pressure exhaust pipe and the pressure intake pipe are fixedly connected with flanges at one end and the lower end, and bolt holes are formed in the surfaces of the flanges.

Preferably, the upper end of the spring is fixedly connected with the lower end of the top plate.

Preferably, the surface of the upper end of the top plate is provided with a mounting hole, and the inner wall of the mounting hole is provided with a blocking gasket.

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

1. the utility model discloses a be provided with protection net and protecting crust, the splashing of piece causes the pipeline to destroy when protection net can be fine effectively prevents that the relief valve from bursting or bursting, has avoided the problem that the relief valve bursts, and the protecting crust plays reinforced (rfd) effect to the relief valve, has improved its whole hardness.

2. The utility model discloses a be provided with spring and depression bar, the spring can promote the depression bar downstream and make sealed piece can be fine closely laminate with the baffler, prevents to use for a long time and causes the gas leakage problem.

Drawings

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

FIG. 2 is a schematic diagram of the baffle plate structure of the present invention;

fig. 3 is a schematic view of the sealing block structure of the present invention.

In the figure: the device comprises a shell 1, a protective grid 2, a protective shell 3, a top plate 4, a pressing block 5, a pressure rod 6, a spring 7, a baffle 8, a limiting block 9, a sealing block 10, a blocking plate 11, a flange 12, a shell 13, a pressure exhaust pipe 14, a fixing bolt 15, an air inlet through hole 16, a sealing gasket 17, a sealing ring 18, a limiting column 19 and a pressure air inlet pipe 20.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-burst safety valve for chemical engineering comprises a first shell 1, a second shell 13 and a fixing bolt 15, wherein the second shell 13 is positioned at the lower end of the first shell 1 and is fixedly connected with the first shell through the fixing bolt 15, a protective grid 2 is fixedly connected with the outer sides of the first shell 1 and the second shell 13, a protective shell 3 is fixedly connected with the outer side of the protective grid 2, one side of the second shell 13 is communicated with a pressure exhaust pipe 14, the lower end of the second shell 13 is communicated with a pressure intake pipe 20, the inner wall of the second shell 13 is fixedly connected with a separation plate 11, the upper end surface of the separation plate 11 is provided with an air inlet through hole 16, the upper end of the separation plate 11 is provided with a sealing gasket 17, the upper end of the sealing gasket 17 is fixedly connected with a sealing block 10, the outer side of the sealing block 10 is fixedly connected with a sealing ring 18, the outer side of the sealing ring 18, the outer side of the pressing rod 6 is fixedly connected with a baffle 8, the upper end of the baffle 8 is fixedly connected with a spring 7, the spring 7 is located on the outer side of the pressing rod 6, the upper end of the first shell 1 is fixedly connected with a top plate 4, and one end of the pressing rod 6 penetrates through the upper end of the top plate 4 and one end of the pressing rod 6 is fixedly connected with a pressing block 5.

Further, No. two shells 13 inner walls are provided with the through-hole, spacing post 19 is located inside the through-hole and spacing post 19 is made for the rubber material, has made things convenient for fix spacing to spacing post 19.

Furthermore, the equal fixedly connected with ring flange 12 of pressure blast pipe 14 one end and pressure intake pipe 20 lower extreme, ring flange 12 surface is provided with the bolt hole and is convenient for install fixedly 14 one end of pressure blast pipe and pressure intake pipe 20.

Furthermore, the upper end of the spring 7 is fixedly connected with the lower end of the top plate 4, so that the spring 7 is well fixed.

Furthermore, the surface of the upper end of the top plate 4 is provided with a mounting hole, and the inner wall of the mounting hole is provided with a separation gasket, so that the pressure lever and the top plate 4 are tightly attached.

Specifically, carry out zonulae occludens with pressure intake pipe 20 and body through the gim peg during the use, carry out zonulae occludens with pressure blast pipe 14 through the gim peg again, when the pressure in pressure intake pipe 14 is too big, make sealed piece 10 upwards remove and drive spacing post 19 and break away from the through-hole, make pressure emerge and pressure blast pipe 14 discharges by air inlet through-hole 16, thereby promote sealed piece 10 downstream and laminating baffler 11 according to pressing block 5 and make spacing post 19 get into in the through-hole owing to spring 7 resumes elasticity after the pressure release finishes, and protection grid 2 can be fine effectively prevent that the relief valve from bursting or splashing of piece when bursting causes the pipeline to destroy, the problem that the relief valve bursts has been avoided, and protective housing 3 plays the reinforced effect to the relief valve, has improved its bulk hardness.

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 chemical industry is with explosion-proof relief valve, includes casing (1), No. two casings (13) and gim peg (15), No. two casings (13) are located casing (1) lower extreme and through gim peg (15) fixed connection, its characterized in that: the protective grid (2) is fixedly connected with the outer sides of the first shell (1) and the second shell (13), the protective shell (3) is fixedly connected with the outer side of the protective grid (2), one side of the second shell (13) is communicated with a pressure exhaust pipe (14), the lower end of the second shell (13) is communicated with a pressure intake pipe (20), the inner wall of the second shell (13) is fixedly connected with a baffle plate (11), an air inlet through hole (16) is formed in the upper end surface of the baffle plate (11), a sealing gasket (17) is arranged at the upper end of the baffle plate (11), a sealing block (10) is fixedly connected with the upper end of the sealing gasket (17), a sealing ring (18) is fixedly connected with the outer side of the sealing block (10), a limiting column (19) is fixedly connected with the outer side of the sealing ring (18), a pressing rod (6) is fixedly connected with the upper end of the sealing block, baffle (8) upper end fixedly connected with spring (7), spring (7) are located depression bar (6) outside, No. one casing (1) upper end fixedly connected with roof (4), depression bar (6) one end is run through roof (4) upper end and depression bar (6) one end fixedly connected with and is pressed briquetting (5).

2. The explosion-proof safety valve for chemical engineering as claimed in claim 1, wherein: no. two casing (13) inner wall is provided with the through-hole, spacing post (19) are located the through-hole inside and spacing post (19) are made for the rubber material.

3. The explosion-proof safety valve for chemical engineering as claimed in claim 1, wherein: the pressure exhaust pipe (14) is characterized in that one end of the pressure exhaust pipe (14) and the lower end of the pressure intake pipe (20) are fixedly connected with flange plates (12), and bolt holes are formed in the surfaces of the flange plates (12).

4. The explosion-proof safety valve for chemical engineering as claimed in claim 1, wherein: the upper end of the spring (7) is fixedly connected with the lower end of the top plate (4).

5. The explosion-proof safety valve for chemical engineering as claimed in claim 1, wherein: the surface of the upper end of the top plate (4) is provided with a mounting hole, and the inner wall of the mounting hole is provided with a separation gasket.