CN209790669U

CN209790669U - flame arrester for gas pipeline

Info

Publication number: CN209790669U
Application number: CN201920428340.2U
Authority: CN
Inventors: 陈吉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2019-12-17
Anticipated expiration: 2029-04-01

Abstract

The utility model discloses a flame arrester for a gas pipeline, which belongs to the technical field of gas pipelines, and comprises a flame arrester main body, wherein a plurality of evenly distributed branch holes are drilled at the upper end of the flame arrester main body, a bottom plate is arranged at the upper end of the flame arrester main body, an insertion hole is drilled at the upper end of the bottom plate, the insertion hole corresponds to the branch holes, a plurality of evenly distributed flame-retardant pipes which correspond to the insertion hole are fixedly connected at the bottom end of the bottom plate, a flame-retardant pipe is communicated with the insertion hole, the flame-retardant pipe is positioned at the inner side of the branch holes and is in clearance fit with the branch holes, a flame-retardant core is arranged in the flame-retardant pipe, a plurality of evenly distributed through holes are drilled at the outer end of the flame-retardant pipe, a plurality of evenly distributed annular doctor blades are fixedly connected at the outer end of the flame-retardant pipe, a dredging hole is drilled in the flame-retardant core, a baffle ring is fixedly, when the fire is large, the flame can be quenched in time.

Description

Flame arrester for gas pipeline

Technical Field

The utility model relates to a gas pipeline technical field, more specifically say, relate to a gas pipeline spark arrester.

background

The flame arrester is a safety device for preventing the spread of flame of flammable gas and flammable liquid vapor, is generally installed in a pipeline for conveying flammable gas or on a ventilated tank, and is a device for preventing the spread of flame (deflagration or detonation) from passing through, and consists of a flame arrester core, a flame arrester casing and accessories.

Flame arrestors are also commonly used in pipelines for transporting flammable gases, and if flammable gases are ignited, gas flames can be transmitted to the whole pipe network.

At present, the gaps or passages of most fire retardant elements are designed to be as small as possible, so that after the flame enters the flame arrester, the flame is divided into a plurality of small flame streams by the fire retardant elements, and the flame streams are quenched due to heat transfer (gas is cooled) and wall effects.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a gas pipeline spark arrester, it can realize that the gap length of back-fire relief component is longer, when the intensity of a fire is great, also can be timely carry out the effect of quenching to flame.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a gas pipeline flame arrester, includes the flame arrester main part, flame arrester main part upper end is opened and is dug there are a plurality of evenly distributed's diffluence vent, flame arrester main part upper end is equipped with the bottom plate, bottom plate upper end is dug there is the jack, the jack is corresponding with the diffluence vent, bottom plate bottom fixedly connected with a plurality of evenly distributed and with the corresponding back-fire relief pipe of jack, it is linked together with the jack to hinder firetube, it is inboard and with diffluence vent clearance fit to hinder firetube position, be equipped with the back-fire relief core in the back-fire relief pipe, the through-hole that has a plurality of evenly distributed is opened to the back-fire relief pipe outer end, the annular doctor-bar of a plurality of evenly distributed of back-fire relief pipe outer end fixedly connected with of back-fire relief, it has the mediation hole to open in the back-fire relief core, back-fire relief pipe inner, when the fire is large, the flame can be quenched in time.

Furthermore, back-fire relief pipe inner wall is dug and is had annular clamping groove, back-fire relief core outer end fixedly connected with and the corresponding annular fixture block of back-fire relief pipe, annular clamping groove and annular fixture block phase-match through setting up annular fixture block and the annular clamping groove that matches each other, can make the back-fire relief pipe at the inside fixed of back-fire relief core to make the back-fire relief pipe can not be at back-fire relief in-core roll-off.

Further, through-hole inner wall joint has metal filters, through setting up metal filters, can preferentially plug up the through-hole in the combustion process, compares in whole equipment stifled, reduces the mediation degree of difficulty.

Further, annular doctor-bar outer end fixed connection cleaning brush, cleaning brush is made by high temperature resistant metal material, through setting up clean playing, can overhaul the device when, takes out the back-fire relief core, can wash the inner wall of back-fire relief pipe, can effectual reduction dust at the adhesion of back-fire relief pipe inner wall.

Further, the mediation hole sets to the reflux shape, the equal joint in two notch departments in mediation hole has the dust screen, through setting the mediation hole to the reflux shape, can increase the in-process at the back-fire relief, the length in clearance is crossed in the flame flow to make the flame flow quenched more easily, the back-fire relief efficiency of the whole equipment of improvement.

Further, the back-fire relief core with keep off the inside equal fixedly connected with magnet piece of ring, two the magnet piece matches each other, through setting up at the back-fire relief core with keep off the inside magnet piece that matches each other that sets up of ring, can be further fixed the back-fire relief core for the back-fire relief core can not be at the inside roll-off of back-fire relief pipe.

3. advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the gap length that this scheme can realize back-fire relief component is longer, when the intensity of a fire is great, also can be timely carry out the effect of quenching to flame.

(2) Back-fire relief pipe inner wall is dug and is had annular clamping groove, back-fire relief core outer end fixedly connected with and the corresponding annular fixture block of back-fire relief pipe, and annular clamping groove and annular fixture block phase-match through annular fixture block and the annular clamping groove that sets up mutual matching can make the back-fire relief pipe at the inside fixed of back-fire relief core to make the back-fire relief pipe can not be at back-fire relief in-core roll-off.

(3) Through-hole inner wall joint has metal filters, through setting up metal filters, can preferentially plug up the through-hole in the combustion process, compares to be stifled in whole equipment, reduces the mediation degree of difficulty.

(4) Annular doctor-bar outer end fixed connection cleaning brush, cleaning brush are made by high temperature resistant metal material, play through setting up cleanly, can overhaul the device when, take out the back-fire relief core, can wash the inner wall of back-fire relief pipe, can effectual reduction dust at the adhesion of back-fire relief pipe inner wall.

(5) Dredge the hole and set to the back flow shape, dredge the equal joint in two notch departments in hole and have the dust screen, set to the back flow shape through dredging the hole, can increase at the in-process of back fire relief, the length in clearance is crossed in the flame flow to make the flame flow quenched, the back fire relief efficiency of the whole equipment of improvement more easily.

(6) The back-fire relief core with keep off the inside equal fixedly connected with magnet piece of ring, two magnet pieces match each other, through setting up at the back-fire relief core with keep off the inside magnet piece that sets up mutual matching of ring, can be further fixed with the back-fire relief core for the back-fire relief core can not be at the inside roll-off of back-fire relief pipe.

Drawings

Fig. 1 is an overall perspective view of the present invention;

Fig. 2 is a perspective view of a flame arrestor body of the present invention;

Fig. 3 is a perspective view of the quencher main body of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a perspective view of the fire retardant core portion of the present invention.

The reference numbers in the figures illustrate:

1 flame arrester main part, 2 reposition of redundant personnel holes, 3 bottom plates, 4 jacks, 5 hinder firetube, 6 back-fire relief cores, 7 through-holes, 8 annular doctor-bars, 9 mediation holes, 10 keep off the ring.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

Referring to fig. 1-5, a flame arrester for a gas pipeline comprises a flame arrester main body 1, a plurality of evenly distributed branch holes 2 are drilled at the upper end of the flame arrester main body 1, a bottom plate 3 is arranged at the upper end of the flame arrester main body 1, an insertion hole 4 is drilled at the upper end of the bottom plate 3, the insertion hole 4 corresponds to the branch holes 2, a plurality of fire-resisting tubes 5 which are evenly distributed and correspond to the insertion hole 4 are fixedly connected at the bottom end of the bottom plate 3, the fire-resisting tubes 5 are communicated with the insertion hole 4, the fire-resisting tubes 5 are positioned at the inner side of the branch holes 2 and are in clearance fit with the branch holes 2, a flame-resisting core 6 is arranged in the fire-resisting tubes 5, an annular clamping groove is drilled at the inner wall of the flame-resisting tube 5, an annular, through setting up the annular fixture block and the ring groove that match each other, can make to hinder firetube 5 at the inside fixed of back-fire relief core 6 to make and hinder firetube 5 can not the roll-off in back-fire relief core 6.

Please refer to fig. 3-4, the through-hole 7 that has a plurality of evenly distributed is dug to back-fire relief pipe 5 outer end, through-hole 7 inner wall joint has metal filters, through setting up metal filters, can block up through-hole 7 in the combustion process preferentially, compare in whole equipment stifled, reduce the mediation degree of difficulty, block the annular doctor-bar 8 of a plurality of evenly distributed of 5 outer ends fixedly connected with of firetube, the clean brush of 8 outer ends fixed connection of annular doctor-bar, the cleaning brush is made by high temperature resistant metal material, play through setting up clean, can overhaul the device when, take out back-fire relief core 6, can wash the inner wall of back-fire relief pipe 5, can effectually reduce the dust at the adhesion of 5 inner walls of back-fire relief pipe.

Please refer to fig. 4-5, it has mediation hole 9 to open in back-fire relief core 6, mediation hole 9 sets up the reflux shape, the equal joint in two slots of mediation hole 9 has the dust screen, through setting mediation hole 9 to the reflux shape, can increase the in-process at the back-fire relief, the length in clearance is passed in the flame circulation, thereby make the flame flow quenched more easily, the back-fire relief efficiency of the whole equipment that improves, 5 inner wall fixedly connected with of back-fire relief pipe keep off ring 10, keep off ring 10 and be located 6 upsides of back-fire relief core and contact with back-fire relief core 6, back-fire relief core 6 and the inside equal fixedly connected with magnet piece of ring 10 that keeps off, two magnet pieces match each other, through setting up the magnet piece that matches each other in back-fire relief core 6 and the inside of ring 10 that keeps off, can be further fixed back-fire relief core 6, make back-fire relief core 6 can.

When the conflagration takes place for the gas pipeline, first step, after flame contacts spark arrester main part 1, a plurality of independent flame flows are cut apart into by reposition of redundant personnel hole 2 to flame, because be equipped with in the reposition of redundant personnel hole 2 and hinder firetube 5, partly flame flow can be quenched in the gap of back-fire tube 5 with reposition of redundant personnel hole 2, the second step, the flame flow of another part, can enter into back-fire tube 5 in with the help of through-hole 7, quenched in the gap of back-fire tube 5 and back-fire core 6 inside, the third step, the flame flow of other parts can enter into mediation hole 9, and quench in mediation hole 9, compare with prior art, the utility model discloses the gap length that can realize the back-fire relief component is longer, when the intensity of a fire is great, also can be timely carry out the effect of quenching to flame.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a gas pipeline spark arrester, includes spark arrester main part (1), its characterized in that: the flame arrester is characterized in that a plurality of evenly distributed shunt holes (2) are formed in the upper end of a flame arrester main body (1), a bottom plate (3) is arranged at the upper end of the flame arrester main body (1), a jack (4) is formed in the upper end of the bottom plate (3), the jack (4) corresponds to the shunt holes (2), a plurality of fire resisting pipes (5) which are evenly distributed and correspond to the jack (4) are fixedly connected to the bottom end of the bottom plate (3), the fire resisting pipes (5) are communicated with the jack (4), the fire resisting pipes (5) are positioned on the inner side of the shunt holes (2) and are in clearance fit with the shunt holes (2), a fire resisting core (6) is arranged in the fire resisting pipes (5), a plurality of evenly distributed through holes (7) are formed in the outer end of the fire resisting pipes (5), a plurality of evenly distributed annular scraping blades (8) are fixedly connected to the outer end of the fire resisting pipes (5), and a dredging, the fire-retardant pipe is characterized in that a baffle ring (10) is fixedly connected to the inner wall of the fire-retardant pipe (5), and the baffle ring (10) is located on the upper side of the fire-retardant core (6) and is in contact with the fire-retardant core (6).

2. A gas pipeline flame arrestor as defined in claim 1, wherein: the inner wall of the fire resisting pipe (5) is provided with an annular clamping groove, the outer end of the fire resisting core (6) is fixedly connected with an annular clamping block corresponding to the fire resisting pipe (5), and the annular clamping groove is matched with the annular clamping block.

3. A gas pipeline flame arrestor as defined in claim 1, wherein: and a metal filter screen is clamped on the inner wall of the through hole (7).

4. A gas pipeline flame arrestor as defined in claim 1, wherein: the outer end of the annular scraping blade (8) is fixedly connected with a cleaning brush, and the cleaning brush is made of a high-temperature-resistant metal material.

5. A gas pipeline flame arrestor as defined in claim 1, wherein: dredge hole (9) and set to the reflux shape, two notch departments in mediation hole (9) are all blocked and are had the dust screen.

6. A gas pipeline flame arrestor as defined in claim 1, wherein: the fire retardant core (6) and the baffle ring (10) are internally and fixedly connected with magnet blocks, and the magnet blocks are matched with each other.