CN219167577U

CN219167577U - Corrosion-resistant flame arrester

Info

Publication number: CN219167577U
Application number: CN202223555684.0U
Authority: CN
Inventors: 肖江萍
Original assignee: Suzhou Environmental Protection Technology Co ltd Logo
Current assignee: Suzhou Environmental Protection Technology Co ltd Logo
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-13
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a corrosion-resistant flame arrester, which comprises a flame arrester body, wherein an upper flange is connected to the top of the flame arrester body, an upper seal head is arranged above the flame arrester body, a temperature sensor is connected to one side of the upper seal head, a pressure sensor is connected to the other side of the upper seal head, the flame arrester body consists of a flame arrester shell outer wall and a flame arrester shell inner wall, a steam-water inner cavity is formed between the flame arrester shell outer wall and the flame arrester shell inner wall, flame-proof cotton used for buffering gas impact force is fixedly connected to the inner wall of the upper seal head, and an anti-corrosion coating is coated on the outer wall of the flame arrester body; the utility model is convenient for disassembling and replacing the flame arrester body to change the discharge flow, can detect temperature control and pressure difference in real time when in use, can monitor the safety state in the pipeline in real time, and is safer and more convenient to use; the corrosion-resistant flame arrester has good flame-retardant performance and can achieve the effects of high temperature resistance and corrosion resistance.

Description

Corrosion-resistant flame arrester

Technical Field

The utility model relates to the technical field of flame arresters, in particular to a flame arrestor with corrosion resistance.

Background

The structure of traditional flame arrester mainly comprises flame arrester core and flame arrester shell, installs at the terminal of pipeline in general, when the one end of pipeline takes place the deflagration accident, because the explosion effect, the gas can take place to expand violently in the pipeline, and these expanded gas can form the air current that supersonic speed flows, and these air currents can strike the flame arrester core when passing through the flame arrester for the flame arrester core is broken down or is warp the damage, thereby makes the flame arrester lose the flame arrester function. In view of the above drawbacks, it is desirable to design a flame arrester that is corrosion resistant.

Disclosure of Invention

The utility model aims to provide a corrosion-resistant flame arrester so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flame arrester with corrosion-resistant, includes the flame arrester body, and the top of flame arrester body is connected with the flange, and the top of flame arrester body is provided with upper portion head, and one side of upper portion head is connected with temperature sensor, and the opposite side of upper portion head is connected with pressure sensor, the flame arrester body comprises flame arrester casing outer wall and flame arrester shells inner wall, constitute the soda inner chamber between flame arrester casing outer wall and the flame arrester shells inner wall, store a certain amount of water in advance in the soda inner chamber, the inner wall fixedly connected with of upper portion head is used for buffering the flame proof cotton of gas impact force, the outer wall coating of flame arrester body is equipped with anticorrosive coating, and anticorrosive coating is one of PTFE, ETFE, ECTFE and PFA material.

Preferably, the surface of the outer wall of the flame arrester shell is provided with a first stop valve and a second stop valve, the first stop valve is communicated with the second stop valve through a steam-water exchange pipe, and the first stop valve, the second stop valve and the steam-water exchange pipe form a steam-water pipeline.

Preferably, the middle part of the flame arrester body is provided with a flame arrester disk, and the outer sides of the flame arrester bodies at the top and the bottom of the flame arrester disk are respectively connected with an annular middle flange.

Preferably, the fire arrestor body below the middle flange is connected with a fire arrestor plate for limiting, the bottom of the fire arrestor body is connected with a horizontal lower flange, and the outer sides of the upper flange, the lower flange and the middle flange are provided with equidistant mounting holes in an annular array.

Preferably, the flame arrester body is connected with a combustible gas conveying pipeline through an upper flange and a lower flange, the output ends of the temperature sensor and the pressure sensor are connected with a real-time monitoring display, and locking bolts are arranged in the mounting holes.

Compared with the prior art, the flame arrester with corrosion resistance has the advantages that the locking bolt is arranged in the mounting hole, the upper flange and the lower flange are fixed in the inflammable gas conveying pipeline, the inlet at the inner side of the upper flange of the gas is led in, the outlet at the inner side of the lower flange flows out, when flame enters the flame arrester body, the airtight flame arrester plate in the middle flange plays a role of blocking flame spreading, tempering is prevented from being caused by flame spreading, the flame arrester plate is limited by the flame arrester plate, the flame arrester plate is prevented from loosening to generate clearance tempering due to overlarge inflammable gas flow, one side of the upper end socket is connected with the temperature sensor, the other side of the upper end socket is connected with the pressure sensor, the temperature sensor and the output end of the pressure sensor are connected with the real-time monitoring display, and the temperature control and the pressure difference can be detected in real time through the temperature sensor and the pressure sensor, the internal safety state of the pipeline can be monitored in real time; when the internal temperature of the flame arrester body is higher than the set working temperature of the temperature sensor, the utility model indicates that deflagration flame occurs, at the moment, the first stop valve is opened, then the second stop valve is opened, a part of water pre-stored in the inner cavity of the steam-water is subjected to heat exchange with the inner wall of the flame arrester shell, the water rises to be discharged through the first stop valve after being changed into water vapor, then the water is converted into heat by the steam-water exchange tube and the external environment, and enters the second stop valve under the driving of the pressure in the steam-water exchange tube, thereby completing circulation and thoroughly quenching high Wen Baoran flame in the mixed gas; when the temperature in the flame arrester body is lower than the working temperature set by the temperature sensor, the inflammable gas conveying pipeline is normal, and the first stop valve and the second stop valve are in a closed state; the outer wall of the flame arrester body is coated with the anti-corrosion coating, and the anti-corrosion coating is one of PTFE, ETFE, ECTFE and PFA materials, so that the whole flame arrester with corrosion resistance has good flame resistance and can achieve the effects of high temperature resistance and corrosion resistance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

FIG. 1 is a schematic view of a corrosion resistant flame arrester according to the present utility model.

In the accompanying drawings:

1. a flame arrester body; 2. an upper flange; 3. an upper head; 4. a temperature sensor; 5. a pressure sensor; 6. the outer wall of the flame arrester shell; 7. the inner wall of the flame arrester shell; 8. a soda water inner cavity; 9. a first stop valve; 10. a second shut-off valve; 11. a steam-water exchange tube; 12. a middle flange; 13. limiting a fire-retardant plate; 14. and a lower flange.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a flame arrester with corrosion-resistant, includes flame arrester body 1, and the top of flame arrester body 1 is connected with flange 2, and the top of flame arrester body 1 is provided with upper portion head 3, and one side of upper portion head 3 is connected with temperature sensor 4, and the opposite side of upper portion head 3 is connected with pressure sensor 5, flame arrester body 1 comprises flame arrester housing outer wall 6 and flame arrester housing inner wall 7, constitute soda inner chamber 8 between flame arrester housing outer wall 6 and the flame arrester housing inner wall 7, store a certain amount of water in advance in soda inner chamber 8, the inner wall fixedly connected with of upper portion head 3 is used for buffering the fire prevention cotton of gas impact force, and the fire prevention cotton selects for use low density product to guarantee not to influence or reduce as far as possible and influence normal flow gas's passing through.

The outer wall of the flame arrester body 1 in this embodiment is coated with an anti-corrosion coating, which is one of PTFE, ETFE, ECTFE and PFA materials. The whole corrosion-resistant flame arrester has better flame-retardant performance, and can achieve the effects of high temperature resistance and corrosion resistance.

The surface of the outer wall 6 of the flame arrester shell in the embodiment is provided with a first stop valve, 9 and a second stop valve 10, and the first stop valve 9 and the second stop valve 10 are communicated by a steam-water exchange pipe 11, and the first stop valve 9, the second stop valve 10 and the steam-water exchange pipe 11 form a steam-water pipeline.

The mid-mounting of flame arrester body 1 in this embodiment has the flame arrester, the flame arrester body 1 outside of flame arrester top and bottom all is connected with annular middle part flange 12, be connected with flame arrester spacing 13 on the flame arrester body 1 of middle part flange 12 below, the bottom of flame arrester body 1 is connected with horizontally lower flange 14, the annular array is all extended in the outside of upper flange 2, lower flange 14 and middle part flange 12 and is provided with equidistant mounting hole, flame arrester body 1 is connected with the transport inflammable gas pipeline through upper flange 2 and lower flange 14, temperature sensor 4 is connected with real-time monitoring display with the output of pressure sensor 5, the internally mounted of mounting hole has the locking bolt.

The working principle of the utility model is as follows: when the flame arrester is used, through the internally mounted locking bolt in the mounting hole, let upper flange 1 and lower flange 5 fix in carrying inflammable gas pipeline, let the inboard import of gas upper flange 1 go into, the inboard export of lower flange 5 flows, the inside inclosed flame arrester of middle part flange 12 plays separation flame spreading effect when flame gets into flame arrester body 1, prevent flame spreading and initiate tempering, it is spacing to the flame arrester through spacing 4 of flame arrester simultaneously, prevent because inflammable gas flow is too big, result in the not hard up clearance tempering that produces of flame arrester, one side through upper portion head 3 is connected with temperature sensor 4, the opposite side of upper portion head 3 is connected with pressure sensor 5, and temperature sensor 4 and pressure sensor 5's output is connected with real-time monitoring display, can be when using, through temperature sensor 4 and pressure sensor 5 to temperature control, pressure differential real-time detection, but real-time monitoring pipeline inside safe state, this utility model can not only be through locking bolt to flame arrester body 1 and carry gas pipeline swing joint, be convenient for dismantle and change and discharge flow, and can be used for inflammable gas pipeline inside safe state to detect, and real-time safety monitoring.

When the internal temperature of the flame arrester body is higher than the set working temperature of the temperature sensor, the occurrence of deflagration flame is indicated, at the moment, the first stop valve 6 is firstly opened, then the second stop valve 12 is opened, a part of water stored in the steam-water inner cavity 8 in advance can exchange heat with the inner wall 13 of the flame arrester shell, after the water turns into water vapor, the water rises through the first stop valve and is discharged, then the water is converted into heat by the steam-water exchange tube and the external environment, the heat is introduced into the second stop valve 12 under the driving of the pressure in the steam-water exchange tube, thus the circulation is completed, and the high Wen Baoran flame in the mixed gas is thoroughly quenched; when the internal temperature of the flame arrester body is lower than the set working temperature of the temperature sensor, the inflammable gas conveying pipeline is normal, and the first stop valve 6 and the second stop valve 12 are in a closed state.

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

Claims

1. A flame arrestor with corrosion resistance, characterized in that: including flame arrester body (1), the top of flame arrester body (1) is connected with flange (2), and the top of flame arrester body (1) is provided with upper portion head (3), and one side of upper portion head (3) is connected with temperature sensor (4), and the opposite side of upper portion head (3) is connected with pressure sensor (5), flame arrester body (1) comprises flame arrester outer wall (6) and flame arrester shells inner wall (7), constitute soda inner chamber (8) between flame arrester outer wall (6) and flame arrester shells inner wall (7), store a certain amount of water in advance in soda inner chamber (8), the inner wall fixedly connected with of upper portion head (3) is used for the flame proof cotton of buffering gaseous impact force, the outer wall coating of flame arrester body (1) is equipped with anticorrosive coating, and anticorrosive coating is one of PTFE, ETFE, ECTFE and flame arrester shells material.

2. A flame arrester with corrosion resistance as claimed in claim 1, wherein: the surface of the outer wall (6) of the flame arrester shell is provided with a first stop valve (9) and a second stop valve (10), the first stop valve (9) and the second stop valve (10) are communicated through a steam-water exchange pipe (11), and the first stop valve (9), the second stop valve (10) and the steam-water exchange pipe (11) form a steam-water pipeline.

3. A flame arrester with corrosion resistance as claimed in claim 1, wherein: the middle part of the flame arrester body (1) is provided with a flame arrester disk, and the outer sides of the flame arrester body (1) at the top and the bottom of the flame arrester disk are respectively connected with an annular middle flange (12).

4. A flame arrester with corrosion resistance according to claim 3, wherein: the fire arrestor is characterized in that a fire arrestor body (1) below the middle flange (12) is connected with a fire arrestor plate limit (13), the bottom of the fire arrestor body (1) is connected with a horizontal lower flange (14), and the outer sides of the upper flange (2), the lower flange (14) and the middle flange (12) are provided with equidistant mounting holes in an annular array.

5. A flame arrester having corrosion resistance as claimed in claim 4, wherein: the flame arrester is characterized in that the flame arrester body (1) is connected with a flammable gas conveying pipeline through an upper flange (2) and a lower flange (14), the output ends of the temperature sensor (4) and the pressure sensor (5) are connected with a real-time monitoring display, and locking bolts are arranged in mounting holes.