CN210069478U - Gas tank is with preventing backfire ware - Google Patents

Abstract

The utility model provides an anti-backfire device for a gas tank, which relates to the field of anti-backfire devices and comprises a tank body, an air inlet pipe, an air outlet pipe, a first clapboard and a second clapboard, wherein the first clapboard divides an inner cavity of the tank body into an air cavity and a liquid cavity, non-flammable liquid is filled in the liquid cavity, and the second clapboard divides the air cavity into a first air cavity and a second air cavity; the bottom end of the air inlet pipe extends into the liquid cavity, and the bottom end of the air inlet pipe is spiral; the first partition board is provided with vent holes for communicating the second air cavity with the liquid cavity, the air inlet end of the air outlet pipe is communicated with the second air cavity, the inner wall of the air outlet pipe is provided with first spoilers and second spoilers which are arranged in a staggered manner, a first flow guide port and a second flow guide port are formed between the two spoilers and the inner wall of the air outlet pipe respectively, and the two flow guide ports are positioned on two different sides of the inner wall of the air outlet pipe respectively; the utility model discloses a spoiler of crisscross arranging slows down the speed of tempering in the outlet duct to isolated intake pipe and tempering air cavity through the baffle, can avoid the intake pipe to be heated the burning by tempering.

Description

Gas tank is with preventing backfire ware

Technical Field

The utility model relates to an anti-backfire device field, more specifically relates to a gas jar is with preventing backfire ware.

Background

In the event of an accident or system instability, when the gas pressure in the pipe decreases, the fire at the point of combustion will spread through the pipe in the direction of the gas source, called flashback, and the means to prevent and block such flashback is called anti-backfire. When the gas stove is in accident, flame can extend to the gas tank along the pipeline, because contain a large amount of combustible gas in the gas tank, if flame ignites a large amount of combustible gas in the gas tank, the easy explosion that takes place causes serious incident. Therefore, a need exists for a backfire arrester that can block backfire and isolate the gas canister from flame ignition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas jar is with preventing backfire ware slows down the speed of tempering in the air outlet pipe through the spoiler of crisscross arranging to it is isolated with intake pipe and tempering air cavity through the baffle, can avoid the intake pipe to be heated the burning by tempering.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an anti-backfire device for gas tank, comprising a tank body, an air inlet pipe, an air outlet pipe, a first clapboard and a second clapboard, wherein the first clapboard is horizontally and fixedly arranged in the tank body, the inner cavity of the tank body is divided into an air cavity and a liquid cavity by the first clapboard, the liquid cavity is positioned below the air cavity, non-flammable liquid is filled in the liquid cavity, the second clapboard is vertically and fixedly arranged in the tank body, and the air cavity is divided into a first air cavity and a second air cavity by the second clapboard; the air outlet end of the air inlet pipe sequentially penetrates through the top of the tank body, the first air cavity and the first partition plate to extend into the liquid cavity, and one end of the air inlet pipe, which is positioned in the liquid cavity, is spiral; the first partition plate is provided with vent holes for communicating the second air cavity with the liquid cavity, the air inlet end of the air outlet pipe is communicated with the second air cavity, a first spoiler and a second spoiler are fixedly mounted on the inner wall of the air outlet pipe and are arranged in a staggered mode along the length direction of the air outlet pipe, a first flow guide port is formed between the first spoiler and the inner wall of the air outlet pipe, a second flow guide port is formed between the second spoiler and the inner wall of the air outlet pipe, and the first flow guide port and the second flow guide port are respectively located on two different sides of the inner wall of the air outlet pipe.

In the preferred embodiment of the present invention, the height of the first spoiler and the height of the second spoiler are equal to 2/3 of the diameter of the outlet pipe.

The utility model discloses in the technical scheme of preferred, fixed mounting has the check valve in the intake pipe.

In the technical scheme of the preferred embodiment of the present invention, the liquid chamber is provided with a liquid replenishing pipe communicated with the outside.

The utility model discloses in the technical scheme of preferred, be fixed with the couple that is used for laying the jar body on the lateral surface of the jar body.

The utility model has the advantages that:

the utility model provides a gas tank is with preventing backfire ware, through being provided with first spoiler and the second spoiler of crisscross arrangement in the outlet duct, can slow down the speed of tempering in the outlet duct, lengthen the time that can put out a fire in time; the non-combustible liquid is filled in the tank body, so that when tempering occurs, the flame retracted in the second air cavity can be extinguished when contacting the non-combustible liquid; meanwhile, the air inlet pipe and the second air cavity which is tempered are isolated through the partition plate, so that the situation that combustible gas in the air inlet pipe is heated by tempering can be avoided, and the combustible gas in the air inlet pipe is not easy to ignite.

Drawings

Fig. 1 is a schematic structural diagram of a backfire arrester for a gas tank according to an embodiment of the present invention.

In the figure:

100. a tank body; 110. a first air cavity; 120. a second air cavity; 200. an air inlet pipe; 300. an air outlet pipe; 310. a first spoiler; 311. a first flow guide port; 320. a second spoiler; 321. a second flow guide port; 400. a first separator; 410. a vent hole; 500. a second separator; 600. a non-flammable liquid; 700. a check valve; 800. a liquid supplementing pipe; 900. and (4) hanging hooks.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and technical solutions needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

The technical solution of the present invention is further described below by referring to the drawings and the embodiments, it should be noted that the drawings in the embodiments are only schematic diagrams and do not limit the size, and the actual size is subject to the material object.

As shown in fig. 1, the embodiment provides a backfire arrester for a gas tank, which includes a tank body 100, an air inlet pipe 200, an air outlet pipe 300, a first partition plate 400 and a second partition plate 500, wherein the first partition plate 400 is horizontally and fixedly installed in the tank body 100, the first partition plate 400 divides an inner cavity of the tank body 100 into an air cavity and a liquid cavity, the liquid cavity is located below the air cavity, a non-flammable liquid 600 is filled in the liquid cavity, the second partition plate 500 is vertically and fixedly installed in the tank body 100, and the air cavity is divided into a first air cavity 110 and a second air cavity 120 by the second partition plate 500; the air outlet end of the air inlet pipe 200 sequentially penetrates through the top of the tank body 100, the first air cavity 110 and the first partition board 400 to extend into the liquid cavity, and one end of the air inlet pipe 200, which is positioned in the liquid cavity, is spiral; the first partition 400 is provided with vent holes 410 for communicating the second air chamber 120 with the liquid chamber, the air inlet end of the outlet duct 300 is communicated with the second air chamber 120, the inner wall of the outlet duct 300 is fixedly provided with a first spoiler 310 and a second spoiler 320, the first spoiler 310 and the second spoiler 320 are staggered along the length direction of the outlet duct 300, a first diversion port 311 is formed between the first spoiler 310 and the inner wall of the outlet duct 300, a second diversion port 321 is formed between the second spoiler 320 and the inner wall of the outlet duct 300, and the first diversion port 311 and the second diversion port 321 are respectively positioned on two different sides of the inner wall of the outlet duct 300.

More specifically, the non-flammable liquid 600 is water or carbon tetrachloride or a fire-retardant liquid; the first spoiler 310 and the second spoiler 320 are made of flame retardant materials; the gas inlet pipe 200 is hermetically connected with the tank body 100, the gas inlet pipe 200 is hermetically connected with the first partition plate 400, and the gas outlet pipe 300 is hermetically connected with the tank body 100, so that the leakage of combustible gas can be prevented; a joint connected with a gas tank is fixedly arranged at the gas inlet end of the gas inlet pipe 200, and a joint connected with a gas stove is fixedly arranged at the gas outlet end of the gas outlet pipe 300; the first air cavity 110 can be filled with some rare protective gas, which has good heat insulation effect on the air inlet pipe 200.

Further, the height of the first spoiler 310 and the height of the second spoiler 320 are equal to 2/3 of the diameter of the outlet duct 300, which is arranged to ensure that the gas in the outlet duct 300 needs to form a passage around each spoiler to pass through the outlet duct 300, thereby preventing the gas from directly flowing across the outlet duct 300; meanwhile, enough flowing space can be reserved for gas, and normal discharge of combustible gas is met.

Further, a check valve 700 is fixedly mounted on the intake pipe 200, and the arrangement of the check valve 700 can prevent the non-flammable liquid 600 from reversely flowing back to the gas tank, so that the non-flammable liquid 600 in the tempering prevention device is lost, and the blocking and tempering prevention effect of the tempering prevention device is directly influenced.

Further, the liquid cavity is provided with a liquid supplementing pipe 800 communicated with the outside, and a small amount of non-combustible liquid 600 is carried out due to the discharge of gas for a long time, so that the non-combustible liquid 600 in the liquid cavity is gradually reduced for a long time, the non-combustible liquid 600 can be supplemented in time through the liquid supplementing pipe 800, and the normal work of the tempering prevention device is ensured; the liquid inlet end of the liquid supplementing pipe 800 is provided with a detachable sealing cover.

Further, be fixed with on the lateral surface of jar body 100 and be used for laying the couple 900 of jar body 100, through couple 900 can satisfy whole anti-backfire ware and detain on gas jar top edge, be convenient for the staff to the installation and the fixed of jar body 100.

When the utility model provides a gas tank is with preventing backfire ware, when using, through being provided with first spoiler 310 and second spoiler 320 of crisscross arrangement in outlet duct 300, can slow down the speed of tempering in the outlet duct 300, the time that can in time put out a fire of extension; by filling the non-flammable liquid in the tank body 100, when the tempering occurs, the flame retracted in the second air cavity 120 is extinguished when contacting the non-flammable liquid 600; meanwhile, the air inlet pipe 200 is isolated from the second air cavity 120 which is tempered through the partition plate, so that the combustible gas in the air inlet pipe 200 can be prevented from being heated by tempering, and the combustible gas in the air inlet pipe 200 is not easy to ignite.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims (5)

1. The utility model provides a gas jar is with preventing backfire ware which characterized in that:

the tank comprises a tank body (100), an air inlet pipe (200), an air outlet pipe (300), a first partition plate (400) and a second partition plate (500), wherein the first partition plate (400) is horizontally and fixedly installed in the tank body (100), the inner cavity of the tank body (100) is divided into an air cavity and a liquid cavity by the first partition plate (400), the liquid cavity is positioned below the air cavity, non-flammable liquid (600) is filled in the liquid cavity, the second partition plate (500) is vertically and fixedly installed in the tank body (100), and the air cavity is divided into a first air cavity (110) and a second air cavity (120) by the second partition plate (500);

the air outlet end of the air inlet pipe (200) sequentially penetrates through the top of the tank body (100), the first air cavity (110) and the first partition plate (400) and extends into the liquid cavity, and one end, located in the liquid cavity, of the air inlet pipe (200) is spiral;

the first partition plate (400) is provided with vent holes (410) for communicating the second air cavity (120) with the liquid cavity, the air inlet end of the air outlet pipe (300) is communicated with the second air cavity (120), the inner wall of the air outlet pipe (300) is fixedly provided with a first spoiler (310) and a second spoiler (320), the first spoiler (310) and the second spoiler (320) are arranged in a staggered manner along the length direction of the air outlet pipe (300), a first diversion port (311) is formed between the first spoiler (310) and the inner wall of the air outlet pipe (300), a second diversion port (321) is formed between the second spoiler (320) and the inner wall of the air outlet pipe (300), and the first diversion port (311) and the second diversion port (321) are respectively positioned on two different sides of the inner wall of the air outlet pipe (300).

2. The gas canister backfire arrester as claimed in claim 1, wherein:

the height of the first spoiler (310) and the height of the second spoiler (320) are both equal to 2/3 of the diameter of the outlet duct (300).

3. The gas canister backfire arrester as claimed in claim 1, wherein:

and a check valve (700) is fixedly mounted on the air inlet pipe (200).

4. The gas canister backfire arrester as claimed in claim 1, wherein:

the liquid cavity is provided with a liquid supplementing pipe (800) communicated with the outside.

5. The gas canister backfire arrester as claimed in claim 1, wherein:

a hook (900) for placing the tank body (100) is fixed on the outer side surface of the tank body (100).