CN218046223U - Special efficient flame arrester - Google Patents

Abstract

The utility model discloses a purpose-made high-efficient spark arrester, including first casing, second casing, fire retardant core and dual back-fire relief mechanism, the left end of first casing is equipped with first ring flange, first casing is connected with the admission line through first ring flange, the right-hand member of second casing is equipped with the second ring flange, the second casing passes through the second ring flange and is connected with the pipeline of giving vent to anger, the right-hand member of first casing is equipped with the third ring flange, the left end of second casing is equipped with the fourth ring flange, first casing and second casing pass through the third ring flange and the fourth ring flange is connected, the junction of third ring flange and fourth ring flange is equipped with the seal groove, be equipped with the sealing washer in the seal groove, the fire retardant core is equipped with two sets ofly, it is two sets of to hinder the fire retardant core is located in first casing and the second casing respectively. The utility model relates to a flame blocker technical field specifically is to provide a simple structure and the higher purpose-built high-efficient spark arrester of back-fire relief efficiency.

Description

Special efficient flame arrester

Technical Field

The utility model relates to a flame blocker technical field specifically indicates a purpose-built high-efficient spark arrester.

Background

The flame arrester is a safety device for preventing the spread of flame of flammable gas and flammable liquid vapor, and is generally installed in a pipeline for conveying flammable gas or on a ventilated tank, and a device for preventing the flame from spreading is provided. Fire stopping using only a fire stopping core is less effective in stopping fire.

SUMMERY OF THE UTILITY MODEL

To the circumstances, for overcoming prior art's defect, the utility model provides a simple structure and the higher purpose-built high-efficient spark arrester of back-fire relief efficiency.

The utility model adopts the following technical scheme: the utility model relates to a purpose-made high-efficient spark arrester, including first casing, second casing, back-fire relief core and dual back-fire relief mechanism, the left end of first casing is equipped with first ring flange, first casing is connected with the admission line through first ring flange, the right-hand member of second casing is equipped with the second ring flange, the second casing passes through the second ring flange and is connected with the pipeline of giving vent to anger, the right-hand member of first casing is equipped with the third flange dish, the left end of second casing is equipped with the fourth ring flange, first casing and second casing pass through the third flange dish and the fourth ring flange is connected, the junction of third flange dish and fourth ring flange is equipped with the seal groove, be equipped with the sealing washer in the seal groove, the back-fire relief core is equipped with two sets ofly in the back-fire relief core locates first casing and the second casing respectively, dual back-fire relief mechanism locates in the second casing and is located between two sets of blocks.

Further, dual back-fire relief mechanism includes metal sheet and back-fire relief unit, the metal sheet is located in the second casing, the back-fire relief unit is located on the metal sheet, the back-fire relief unit includes directional pole, spring, cover fishplate bar and sealing plug, be equipped with the bleeder vent on the metal sheet, directional pole is located on the metal sheet, directional pole is equipped with two sets of and the symmetric location bleeder vent both sides, it slides to cup joint the board and cup joints on locating two sets of directional poles, the sealing plug is located and is located the bleeder vent front side on the cover fishplate bar, the spring symmetry is equipped with two sets ofly, and is two sets of the spring cup joints respectively and locates on two sets of directional poles, the both ends of spring are located respectively on metal sheet and the cover fishplate bar.

Furthermore, a limiting plate is arranged on the orientation rod.

Furthermore, the air holes are provided with a plurality of groups, and the number of the fire retardant units is equal to that of the air holes and corresponds to that of the air holes one by one.

Furthermore, the sealing plug is in a round table shape, the air holes are in a cylindrical shape, and the axis of the sealing plug coincides with the axis of the air holes.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the scheme is provided with the fire retardant core, and flame can be initially prevented from spreading through the fire retardant core; this scheme is equipped with dual back-fire relief mechanism, after gaseous deflagration, can produce the shock wave, utilizes this shock wave can promote the cover fishplate bar and the sealing plug removes, carries out the shutoff through the sealing plug to the bleeder vent, prevents the gas flow, improves back-fire relief efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

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

fig. 2 is an enlarged view of a portion a in fig. 1.

The novel flame-retardant sealing device comprises a shell, a first shell, a second shell, a flame-retardant core, a double flame-retardant mechanism, a first flange plate, a second flange plate, a third flange plate, a fourth flange plate, a sealing groove, a sealing ring, 11, air holes, 12, a metal plate, 13, a flame-retardant unit, 14, a limiting plate, 15, a directional rod, 16, a spring, 17, a sleeving and connecting plate, 18 and a sealing plug, wherein the flame-retardant mechanism comprises a first shell, a second shell, a third shell, a flame-retardant core and a fourth flange plate, and the sealing groove comprises 10, 15, a vent hole, 12, a metal plate, 13, a flame-retardant unit, 14, a limiting plate, 15, a directional rod, 16, a spring and 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-2, the utility model relates to a purpose-made high-efficiency flame arrester, including first casing 1, second casing 2, fire-retardant core 3 and dual fire-retardant mechanism 4, the left end of first casing 1 is equipped with first flange 5, first casing 1 is connected with the admission line through first flange 5, the right-hand member of second casing 2 is equipped with second flange 6, second casing 2 is connected with the outlet pipe through second flange 6, the right-hand member of first casing 1 is equipped with third flange 7, the left end of second casing 2 is equipped with fourth flange 8, first casing 1 and second casing 2 are connected through third flange 7 and fourth flange 8, the junction of third flange 7 and fourth flange 8 is equipped with sealing ring 9, be equipped with sealing washer 10 in the sealing groove 9, the fire-retardant core 3 is equipped with two sets, two sets of fire-retardant cores 3 are located in first casing 1 and second casing 2 respectively, dual fire-retardant mechanism 4 is located in second casing 2 and between two sets of fire-retardant cores 3; the double fire-retardant mechanism 4 comprises a metal plate 12 and a fire-retardant unit 13, the metal plate 12 is arranged in the second shell 2, the fire-retardant unit 13 is arranged on the metal plate 12, the fire-retardant unit 13 comprises two groups of directional rods 15, springs 16, a sleeve plate 17 and a sealing plug 18, the metal plate 12 is provided with air holes 11, the directional rods 15 are arranged on the metal plate 12, the directional rods 15 are provided with two groups and symmetrically positioned at two sides of the air holes 11, the sleeve plate 17 is slidably sleeved on the two groups of directional rods 15, the sealing plug 18 is arranged on the sleeve plate 17 and positioned at the front side of the air holes 11, the springs 16 are symmetrically provided with two groups, the two groups of springs 16 are respectively sleeved on the two groups of directional rods 15, and two ends of the springs 16 are respectively arranged on the metal plate 12 and the sleeve plate 17; a limiting plate 14 is arranged on the directional rod 15; the air holes 11 are provided with a plurality of groups, and the number of the fire retardant units 13 is equal to that of the air holes 11 and corresponds to that of the air holes 11 one by one; the sealing plug 18 is in a circular truncated cone shape, the air holes 11 are cylindrical, and the axes of the sealing plug 18 and the air holes 11 are overlapped.

During specific use, link together intake pipe and first casing 1 through first ring flange 5, link together outlet duct and second casing 2 through second ring flange 6, link together first casing 1 and second casing 2 through third ring flange 7 and fourth ring flange 8, just accomplished the installation to this spark arrester this moment, can strengthen the sealed effect of third ring flange 7 and fourth ring flange 8 junction through sealing washer 10, when flame deflagration dashes to back-fire relief core 3, back-fire relief core 3 is through increaseing heat transfer effect and wall effect, make the flame temperature fall below the ignition point, thereby prevent flame spread, can produce the shock wave when flame deflagration simultaneously, the shock wave can act on cover fishplate bar 17, promote cover fishplate bar 17 to remove, make spring 16 pressurized, cover fishplate 17 drives sealing plug 18 and removes in the bleeder vent 11, carry out the shutoff to bleeder vent 11, prevent gaseous through, reinforcing back-fire relief effect.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A purpose-made high-efficient spark arrester which characterized in that: including first casing, second casing, back-fire relief core and dual back-fire relief mechanism, the left end of first casing is equipped with first ring flange, first casing is connected with the admission line through first ring flange, the right-hand member of second casing is equipped with the second ring flange, the second casing passes through the second ring flange and is connected with the pipeline of giving vent to anger, the right-hand member of first casing is equipped with the third flange dish, the left end of second casing is equipped with the fourth ring flange, first casing and second casing pass through the third ring flange and the fourth ring flange is connected, the junction of third flange dish and fourth ring flange is equipped with the seal groove, be equipped with the sealing washer in the seal groove, the back-fire relief core is equipped with two sets ofly, two sets of back-fire relief core is located respectively in first casing and the second casing, dual back-fire relief mechanism locates in the second casing and is located between two sets of back-fire relief cores.

2. A special high efficiency flame arrestor as defined in claim 1, wherein: the dual fire relief mechanism includes metal sheet and back-fire relief unit, the metal sheet is located in the second casing, the back-fire relief unit is located on the metal sheet, the back-fire relief unit is including directional pole, spring, cover fishplate bar and sealing plug, be equipped with the bleeder vent on the metal sheet, directional pole is located on the metal sheet, directional pole is equipped with two sets of and symmetrical position bleeder vent both sides, it slides to cup joint the board and locates on two sets of directional poles, the sealing plug is located and is located the bleeder vent front side on the cover fishplate bar, the spring symmetry is equipped with two sets ofly, and is two sets of the spring cup joints respectively and locates on two sets of directional poles, the both ends of spring are located respectively on metal sheet and the cover fishplate bar.

3. A special high efficiency flame arrestor as defined in claim 2, wherein: and a limiting plate is arranged on the directional rod.

4. A special high efficiency flame arrestor as defined in claim 3, wherein: the air holes are provided with a plurality of groups, and the number of the fire retardant units is equal to that of the air holes and corresponds to that of the air holes one by one.

5. A special high efficiency flame arrestor as defined in claim 4, wherein: the sealing plug is in a round table shape, the air holes are cylindrical, and the axis of the sealing plug coincides with the axis of the air holes.

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