CN212199238U - Methane tank backfire preventing device - Google Patents

Methane tank backfire preventing device Download PDF

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Publication number
CN212199238U
CN212199238U CN202020742562.4U CN202020742562U CN212199238U CN 212199238 U CN212199238 U CN 212199238U CN 202020742562 U CN202020742562 U CN 202020742562U CN 212199238 U CN212199238 U CN 212199238U
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CN
China
Prior art keywords
shell
backfire
methane tank
methane
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020742562.4U
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Chinese (zh)
Inventor
曹军
孔睿敏
鞠鑫鑫
王琰
程纬伟
常洋传
郭彩霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Zhongnong Sanyue Environmental Protection Technology Co ltd
Yantai Research Institute of China Agricultural University
Original Assignee
Shandong Zhongnong Sanyue Environmental Protection Technology Co ltd
Yantai Research Institute of China Agricultural University
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Application filed by Shandong Zhongnong Sanyue Environmental Protection Technology Co ltd, Yantai Research Institute of China Agricultural University filed Critical Shandong Zhongnong Sanyue Environmental Protection Technology Co ltd
Priority to CN202020742562.4U priority Critical patent/CN212199238U/en
Application granted granted Critical
Publication of CN212199238U publication Critical patent/CN212199238U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

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Abstract

The utility model discloses a methane tank backfire preventing device, which comprises a shell with an opening at the upper end, wherein an opening and closing cover plate is arranged on the opening of the shell, an air outlet hole is arranged on the cover plate, the inner wall of the shell is provided with an annular clamping groove, the annular clamping groove is clamped with a fixing ring, a screen plate is fixed at the inner side of the fixing ring, the screen plate divides the inner side of the shell into an upper cavity and a lower cavity, the outer side of the shell is provided with an air inlet hole communicated with the lower cavity, the outer side of the air inlet hole is communicated with an air outlet of a one-; the methane tank backfire preventing device cuts off a methane backfire channel between methane using equipment and the methane tank, ensures normal transmission of methane and improves the safety of the methane using process.

Description

Methane tank backfire preventing device
Technical Field
The utility model relates to the technical field of safety accessories, in particular to a methane tank backfire preventing device.
Background
The biogas is combustible gas produced by fermenting organic substances in an anaerobic environment by microorganisms under the conditions of certain temperature, humidity and pH value.
The biogas can realize illumination of a biogas lamp or fire generation of a biogas stove, the conventional biogas lamp or biogas stove lamp is mostly directly connected with a biogas pool, initial biogas needs to be discharged when the biogas pool is initially filled so as to reduce the air content in the biogas, but the air content in the biogas is not reduced to the safe content due to the irregular operation, so that the tempering of the biogas is easily caused, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a methane-generating pit anti-backfire device, cut off the marsh gas tempering passageway between marsh gas user equipment and the methane-generating pit, and guarantee the normal transmission of marsh gas, improved the security of marsh gas use, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-backfire device of a methane tank comprises a shell with an opening at the upper end, an opening and closing cover plate is arranged on the opening of the shell, and an air outlet hole is arranged on the cover plate.
The inner wall of the shell is provided with an annular clamping groove, the annular clamping groove is connected with a fixing ring in a clamped mode, the inner side of the fixing ring is fixed with a screen plate, the inner side of the shell is divided into an upper cavity and a lower cavity by the screen plate, the outer side of the shell is provided with an air inlet hole communicated with the lower cavity, the outer side of the air inlet hole is communicated with an air outlet of a check valve, and water for immersing the screen plate is contained in the.
As the utility model discloses an optimal technical scheme still includes that the inner chamber is spherical shell, and the trompil has all been seted up at spherical shell's upper and lower both ends, and the outside of the venthole of apron and the trompil of spherical shell lower extreme are connected, and the trompil of spherical shell upper end and the one end of outlet duct are connected, are equipped with the spheroid in the spherical shell.
The outer side of the ball body is connected with the inner wall of the spherical shell in a sealing and sliding manner, the ball body is provided with a vertical through hole which penetrates up and down, the ball body is mainly formed by buckling a light hemisphere and a heavy hemisphere, and the mass of the light hemisphere is smaller than that of the heavy hemisphere.
As an optimized technical scheme of the utility model, light hemispheroid is plastic material or glass material, and heavy hemispheroid is metal material or glass material.
As the utility model discloses a preferred technical scheme has seted up on the otter board and has passed the hole, passes the upper end connection of hole and standpipe.
As an optimized technical proposal of the utility model, the through hole is filled with sponge blocks.
As a preferred technical scheme of the utility model, the last cavity intussuseption of casing is filled with the filler, has the passageway that allows gas to pass through in the filler.
As an optimal technical scheme of the utility model, the filler is the wire group, and the wire group is iron wire material or copper wire material.
As an optimized technical proposal of the utility model, the filler is a plurality of metal balls, and the diameter of the metal balls is 1.0-10.0 mm.
As a preferred technical proposal of the utility model, the screen plate is a metal wire mesh or a nylon wire mesh, and the mesh number of the screen plate is 50-300 meshes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the methane tank backfire preventing device of the example of the utility model cuts off the methane backfire channel between the methane using equipment and the methane tank, ensures the normal transmission of the methane, and improves the safety of the methane using process.
2. The utility model discloses a methane-generating pit anti-backfire device, the downside at the otter board is pasted to the internal marsh gas of cavity of resorption, and the otter board is cut apart into little bubble with the internal marsh gas of cavity of resorption, and little marsh gas bubble upwards moves in the aquatic in last cavity, and the internal marsh gas bubble of epicoele is taken off water and is ruptured, and marsh gas can only light the marsh gas above the casing surface of water when taking place the tempering, and the bubble of casing aquatic is contactless each other can't be lighted, makes the tempering burning block.
3. The utility model discloses a methane-generating pit anti-backfire device, when unexpected slope, because spheroidal heavy weight hemispheroid is located the below all the time, makes the spheroid rotate in spherical shell, and the trompil at both ends staggers about the perpendicular through-hole that runs through from top to bottom and spherical shell of spheroid makes spheroid and spherical shell accomplish the blockade, improves this methane-generating pit anti-backfire device's security.
4. The methane tank backfire preventing device of the example of the utility model has the advantages that the methane in the lower cavity of the shell is attached to the lower side of the screen plate, water in the lower cavity flows into the upper cavity of the shell through the sponge block in the vertical pipe, the laminating degree of the methane in the lower cavity along the lower side of the screen plate is improved, the sponge block only allows water to pass through and does not allow methane to pass through, the methane in the lower cavity is prevented from being ignited through the sponge block, and the reliability of the methane tank backfire preventing device is ensured; on the other hand, the combination of the sponge block and the vertical pipe increases the height of water on the screen plate when the biogas passes through, and improves the utilization efficiency of the water.
5. The utility model discloses an anti-backfire device of methane-generating pit, filler absorb the heat of tempering marsh gas, make marsh gas get the temperature and reduce below the ignition point for the tempering is interrupted.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;
fig. 3 is a schematic diagram of the exploded structure of fig. 1.
In the figure: the device comprises an air outlet pipe 1, a spherical shell 2, a cover plate 3, a shell 4, a one-way valve 5, a sphere 6, a light hemisphere 61, a heavy hemisphere 62, a fixing ring 7, a filler 8, a screen plate 9, a sponge block 10 and a standpipe 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described with reference to the accompanying drawings and examples.
The first embodiment is as follows: referring to fig. 1-3, the embodiment discloses a methane tank backfire arrester, which comprises a shell 4 with an opening at the upper end, a cover plate 3 which is opened and closed is arranged on the opening of the shell 4, an air outlet hole is arranged on the cover plate 3, and the preferred methane tank backfire arrester is arranged on a methane conveying loop; the opening of the cover plate 3 and the opening of the shell 4 are connected in a thread sealing way, a bolt sealing fixed way or a clamping sealing way.
The inner wall of the shell 4 is provided with an annular clamping groove, the annular clamping groove is connected with a fixing ring 7 in a clamping mode, the inner side of the fixing ring 7 is fixed with a screen plate 9, the fixing ring 7 and the screen plate 9 are integrally arranged, the fixing ring 7 enables the screen plate 9 to be tightened, and the screen plate 9 is convenient to replace.
The screen plate 9 divides the inner side of the shell 4 into an upper cavity and a lower cavity, the outer side of the shell 4 is provided with an air inlet communicated with the lower cavity, the outer side of the air inlet is communicated with an air outlet of the one-way valve 5, and the shell 4 is filled with water for immersing the screen plate 9.
The working process and principle of the embodiment are as follows:
the shell 4 is filled with water for immersing the screen plate 9; preferably, the water in the shell 4 is higher than the screen plate 910.0 mm.
An air inlet of the one-way valve 5 is connected with one end of a biogas conveying pipe, biogas conveyed from a biogas pool enters a lower cavity of the shell 4 through the one-way valve 5 and an air inlet of the shell 4, the biogas in the lower cavity is attached to the lower side of the screen plate 9, water in the lower cavity is squeezed into an upper cavity by the biogas, the biogas continuously enters the lower cavity, the air pressure in the lower cavity rises, the screen plate 9 divides the biogas in the lower cavity into small bubbles, the small biogas bubbles move upwards in water in the upper cavity, the biogas bubbles in the upper cavity are dehydrated and broken, the biogas is discharged through an air outlet on the cover plate 3, and an air outlet on the cover plate 3 is connected with an air inlet of external biogas equipment.
The net plate 9 divides the methane in the lower cavity into small bubbles, the small methane bubbles move upwards in the water in the upper cavity, when tempering occurs, the methane can only ignite the methane above the water surface of the shell 4, the bubbles in the water of the shell 4 are not contacted with each other and can not be ignited, and the tempering combustion is blocked.
On the other hand, the water in the shell 4 absorbs the heat of burning the methane, and reduces the temperature of the methane to the ignition point; and the water in the shell 4 is heated to be changed into steam, so that the content of the biogas in the mixed gas is diluted, and the flame-retardant effect is achieved.
Adding water into the shell 4 periodically or checking the residual amount of the water in the shell 4, and strictly prohibiting the water in the shell 4 from being lower than the screen plate 9; preferably, the shell 4 is made of transparent plastic or transparent glass, so that the amount of water in the shell 4 can be conveniently checked.
Example two: as shown in fig. 2 and fig. 3, the embodiment discloses a methane tank backfire preventing device, which has a structure substantially the same as that of the first embodiment, and is different in that the methane tank backfire preventing device further comprises a spherical shell 2 with a spherical inner cavity, the upper end and the lower end of the spherical shell 2 are both provided with openings, the outer side of an air outlet hole of a cover plate 3 is connected with the opening at the lower end of the spherical shell 2, the opening at the upper end of the spherical shell 2 is connected with one end of an air outlet pipe 1, and a sphere 6 is arranged in the;
the outer side of the sphere 6 is connected with the inner wall of the spherical shell 2 in a sealing and sliding manner, the sphere 6 is provided with a vertical through hole which penetrates up and down, the sphere 6 is mainly formed by buckling a light hemisphere 61 and a heavy hemisphere 62, and the mass of the light hemisphere 61 is smaller than that of the heavy hemisphere 62.
The light hemispheroid 61 is made of plastic or glass, and the heavy hemispheroid 62 is made of metal or glass; under the action of gravity, the heavy hemisphere 62 is always below and the light hemisphere 61 is always above.
The working process and principle of the embodiment are as follows:
in the first embodiment, when the methane tank anti-backfire device is accidentally inclined, part of the mesh plate 9 is exposed out of the water surface, and the burnt methane enters the lower cavity part of the shell 4 through the part of the mesh plate 9 exposed out of the water surface, so that the methane tank anti-backfire device has poor anti-backfire effect.
The methane tank backfire preventing device is inclined accidentally, the heavy hemispheroid 62 of the sphere 6 is always positioned below, so that the sphere 6 rotates in the spherical shell 2, the vertical through hole penetrating through the sphere 6 from top to bottom is staggered with the open holes at the top and bottom ends of the spherical shell 2, the sphere 6 and the spherical shell 2 are sealed, and the safety of the methane tank backfire preventing device is improved.
Example three: as shown in fig. 2, the present embodiment discloses a methane tank backfire preventing device, on the basis of the first embodiment or the second embodiment, the mesh plate 9 of the present embodiment is provided with a through hole, and the through hole is connected with the upper end of the vertical pipe 11; the lower end of the standpipe 11 communicates with the lower chamber of the housing 4.
The passing hole is filled with a sponge block 10, and the peripheral side of the sponge block 10 is in sealing fit with the inner wall of the standpipe 11.
The working process and principle of the embodiment are as follows:
the marsh gas in the cavity under the casing 4 pastes the downside at otter board 9, and the water in the cavity under the lower passes through the sponge piece 10 in the standpipe 11 and flows into the last cavity of casing 4, improves the degree that the marsh gas in the cavity under the lower was laminated along otter board 9 downside, and the sponge piece 10 only allows water to pass through, does not allow marsh gas to pass through, and the marsh gas of avoiding tempering passes through sponge piece 10 and ignites the marsh gas in the cavity under the lower, guarantees this methane-generating pit anti-backfire device reliability.
On the other hand, the combination of the sponge block 10 and the standpipe 11 increases the height of water on the mesh plate 9 when passing through the biogas, thereby improving the utilization efficiency of water.
Example four: as shown in fig. 2 or fig. 3, the embodiment discloses a methane tank backfire preventing device, and on the basis of the first embodiment, the second embodiment or the third embodiment, a filler 8 is filled in an upper cavity of a housing 4 of the embodiment, and a passage allowing gas to pass through is formed in the filler 8.
The filler 8 is a metal wire group, and the metal wire group is made of iron wires or copper wires.
Or the filler 8 is a plurality of metal balls with the diameter of 1.0-10.0mm,
the working process and principle of the embodiment are as follows:
the filler 8 absorbs the heat of the tempered biogas, lowering the temperature of the biogas below the ignition point, so that tempering is interrupted.
Example five: as shown in fig. 2, the present embodiment discloses a methane tank backfire preventing device, which has a structure substantially the same as that of the first embodiment, except that the mesh plate 9 of the present embodiment is a metal wire mesh or a nylon wire mesh, and the mesh number of the mesh plate 9 is 50-300 meshes.
The working process and principle of the embodiment are as follows:
the screen plate 9 divides the methane in the cavity under the shell 4 into small bubbles, the heat released by the combustion of each bubble is small, the combustion transfer among the bubbles is avoided, and the safety of the methane tank backfire preventing device is improved.
The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and the embodiments of the present invention are not limited by the above embodiments, and for those skilled in the art, any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the principles of the present invention should be equivalent replacement modes, and all of them should be covered in the scope of the claims and the specification of the present invention.

Claims (9)

1. A methane tank backfire preventing device is characterized in that: the air conditioner comprises a shell (4) with an opening at the upper end, wherein an opening and closing cover plate (3) is arranged on the opening of the shell (4), and an air outlet hole is formed in the cover plate (3);
annular groove has been seted up to the inner wall of casing (4), annular groove and solid fixed ring (7) joint, the inboard of solid fixed ring (7) is fixed with otter board (9), and cavity and lower cavity are gone into with casing (4) inboard share in otter board (9), and the inlet port of its lower cavity of intercommunication is seted up in the outside of casing (4), the outside of inlet port and the gas outlet intercommunication of check valve (5), the water of submergence otter board (9) has been held in casing (4).
2. The methane tank backfire arrester of claim 1, wherein: the exhaust pipe is characterized by also comprising a spherical shell (2) with a spherical inner cavity, wherein the upper end and the lower end of the spherical shell (2) are both provided with openings, the outer side of an air outlet hole of the cover plate (3) is connected with the opening at the lower end of the spherical shell (2), the opening at the upper end of the spherical shell (2) is connected with one end of the air outlet pipe (1), and a sphere (6) is arranged in the spherical shell (2);
the outer side of the sphere (6) is connected with the inner wall of the spherical shell (2) in a sealing and sliding mode, the sphere (6) is provided with a vertical through hole which penetrates through the sphere up and down, the sphere (6) is mainly formed by buckling a light hemisphere (61) and a heavy hemisphere (62), and the mass of the light hemisphere (61) is smaller than that of the heavy hemisphere (62).
3. The methane tank backfire arrester of claim 2, wherein: the light hemispheroid (61) is made of plastic materials or glass materials, and the heavy hemispheroid (62) is made of metal materials or glass materials.
4. The methane tank backfire arrester of claim 1, wherein: the net plate (9) is provided with a through hole, and the through hole is connected with the upper end of the vertical pipe (11).
5. The methane tank backfire preventing device according to claim 4, wherein: the through hole is filled with a sponge block (10).
6. The methane tank backfire arrester of any of claims 1-5, wherein: the upper cavity of the shell (4) is filled with a filler (8), and the filler (8) is internally provided with a passage allowing gas to pass through.
7. The methane tank backfire preventing device according to claim 6, wherein: the filler (8) is a metal wire group, and the metal wire group is made of iron wires or copper wires.
8. The methane tank backfire preventing device according to claim 6, wherein: the filler (8) is a plurality of metal balls, and the diameter of each metal ball is 1.0-10.0 mm.
9. The methane tank backfire arrester of claim 1, wherein: the screen plate (9) is a metal wire mesh or a nylon wire mesh, and the mesh number of the screen plate (9) is 50-300 meshes.
CN202020742562.4U 2020-05-08 2020-05-08 Methane tank backfire preventing device Expired - Fee Related CN212199238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020742562.4U CN212199238U (en) 2020-05-08 2020-05-08 Methane tank backfire preventing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020742562.4U CN212199238U (en) 2020-05-08 2020-05-08 Methane tank backfire preventing device

Publications (1)

Publication Number Publication Date
CN212199238U true CN212199238U (en) 2020-12-22

Family

ID=73813616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020742562.4U Expired - Fee Related CN212199238U (en) 2020-05-08 2020-05-08 Methane tank backfire preventing device

Country Status (1)

Country Link
CN (1) CN212199238U (en)

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