CN111714813A - High-reliability water-seal fire arrester - Google Patents

High-reliability water-seal fire arrester Download PDF

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Publication number
CN111714813A
CN111714813A CN202010600863.8A CN202010600863A CN111714813A CN 111714813 A CN111714813 A CN 111714813A CN 202010600863 A CN202010600863 A CN 202010600863A CN 111714813 A CN111714813 A CN 111714813A
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water
water seal
sealing
reliability
steel cylinder
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CN202010600863.8A
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CN111714813B (en
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肖佳林
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Pingxiang Sitong Environmental Protection Technology Co ltd
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Pingxiang Sitong Environmental Protection Technology Co ltd
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C4/00Flame traps allowing passage of gas but not of flame or explosion wave
    • A62C4/02Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes

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  • Business, Economics & Management (AREA)
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Abstract

The invention discloses a high-reliability water-seal flame arrester, which relates to the technical field of flame arresters and comprises a flame-arresting steel cylinder, wherein one side of the upper end of the flame-arresting steel cylinder is provided with a gas outlet which is connected with an exhaust pipe; a water seal part is arranged in the fire retardant steel cylinder and below the air outlet; the lower extreme one side of water seal portion is provided with the air inlet, and the air inlet is located inside one side of water seal portion and is connected with the inner tube that admits air, and the inside of water seal portion is located the top of admitting air inner tube and is provided with a plurality of honeycomb along the fixed direction of motion of gas from down to up, and a plurality of honeycomb is arranged to the honeycomb. Through setting up a plurality of in water seal bottom and being honeycomb duct for bubble that produces when the combustible gas who lets in the spark arrester passes through the water seal all is effectively separated by in the front and back left and right sides during the upward movement, when taking place the tempering, reduces the possibility that flame passes through bubble from the top down intercommunication, prevents effectively that the tempering from piercing through the spark arrester, avoids the inefficacy of spark arrester.

Description

High-reliability water-seal fire arrester
Technical Field
The invention relates to the technical field of flame arresters, in particular to a high-reliability water-seal flame arrester.
Background
The oxyhydrogen generator is an electrochemical device for generating hydrogen and oxygen by utilizing water electrolysis, and is mainly used for glass industry, electronic industry, metal cutting, flame processing, catalytic combustion, engine fuel saving and the like. At present, most of water-seal flame arresters are filled with combustible gas from the bottom and discharged from the top of the water-seal flame arrester, bubbles are randomly distributed in the liquid of the water-seal flame arrester, and the bubbles which are possibly randomly distributed are conducted from top to bottom when tempering occurs, so that the tempering penetrates through the flame arrester to cause the failure of the water-seal flame arrester.
Disclosure of Invention
In order to solve the problems in the prior art, the honeycomb-shaped guide pipes are arranged at the bottom of the water seal, and the distance between every two guide pipes is larger than three times of the pipe diameter of each guide pipe, so that bubbles generated when combustible gas introduced into the flame arrester passes through the water seal move up and down and are effectively and completely separated in the front, back, left and right directions, when tempering occurs, the possibility that flame is communicated from top to bottom through the bubbles is reduced, the tempering is effectively prevented from penetrating through the flame arrester, and the failure of the flame arrester is avoided.
The invention specifically adopts the following technical scheme:
a high-reliability water-seal flame arrester comprises a flame-retardant steel cylinder, wherein one side of the upper end of the flame-retardant steel cylinder is provided with an air outlet which is connected with an exhaust pipe;
a water sealing part is arranged in the fire retardant steel cylinder and below the air outlet, and liquid water is injected into the water sealing part in a sealing manner;
the lower extreme one side of water seal portion is provided with the air inlet, the air inlet is located inside one side of water seal portion is connected with the inner tube that admits air, the inside of water seal portion is located the fixed a plurality of honeycomb duct, a plurality of being provided with of motion direction from down to up is followed to the top of the inner tube that admits air, a plurality of the honeycomb duct is cellular arrangement.
The further proposal is that the distance between every two honeycomb ducts is more than three times of the pipe diameter of the honeycomb duct.
Further, the length of the flow guide pipe is L1, the liquid level height in the water sealing part is L2, and
Figure BDA0002558505320000011
the further proposal is that a plurality of air inlets are evenly distributed on the outer surface of the air inlet inner tube.
The further proposal is that a filling pipe is arranged in the fire retardant steel cylinder above the water seal part, and the uppermost end of the filling pipe is positioned below the air outlet.
A further scheme is that a pressure release valve is arranged at the top of the fire-retardant steel cylinder, the pressure release valve comprises a cavity and a sealing device, a pressure release exhaust port is arranged at the upper end of the cavity, a pressure release air inlet is arranged at the lower end of the cavity, a sealing ring is arranged above the pressure release exhaust port, the other side of the sealing ring is connected with the sealing device, and the sealing device is of a T-shaped structure.
Further, a silencer is installed in the pressure relief exhaust port.
In a further scheme, a corrugated fire retardant layer is fixed on the inner wall of the cavity.
The sealing device is characterized in that two sides of the lower portion of the sealing device are fixedly connected with stop blocks, and the length of each stop block is smaller than that of the pressure relief exhaust port.
The water-replenishing valve is characterized by further comprising a water replenishing pipeline for replenishing sealing water in the water sealing part, a water discharging pipeline for discharging the sealing water and a water level sensor for detecting the sealing water, wherein a water replenishing valve is arranged on the water replenishing pipeline, a water discharging valve is arranged on the water discharging pipeline, the output end of the water level sensor is electrically connected with the controller, and the output end of the controller is electrically connected with the water replenishing valve and the water discharging valve.
The invention has the beneficial effects that:
the honeycomb-shaped honeycomb ducts are arranged at the bottom of the water seal, and the distance between every two honeycomb ducts is larger than three times of the pipe diameter of the honeycomb ducts, so that bubbles generated when combustible gas introduced into the flame arrester passes through the water seal are completely and effectively separated in the front, back, left and right directions when the bubbles move from bottom to top, when tempering occurs, the possibility that flame is communicated from top to bottom through the bubbles is reduced, the tempering is effectively prevented from penetrating through the flame arrester, and the failure of the flame arrester is avoided;
a filling pipe is arranged at the upper end of the water seal to reduce the volume of the upper end inside the fire-retardant steel cylinder so as to reduce the amount of gas during tempering;
the silencer is arranged in the pressure relief exhaust port on the pressure relief valve, so that the gas can be discharged without noise after being treated by the silencer;
the corrugated fire-retardant layer arranged in the cavity of the pressure relief valve has good fire resistance, and the safety of the pressure relief valve is ensured.
Drawings
FIG. 1 is a schematic structural view of a water-seal flame arrester of an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of the flow guide grooves of FIG. 1;
FIG. 3 is a schematic view of the relief valve of FIG. 1;
FIG. 4 is a cross-sectional view of the relief valve type fully relieved condition;
the attached drawings are marked as follows: 1-fire retardant steel cylinder; 10-an air inlet inner pipe; 100-an air intake; 11-an exhaust pipe; 12-a water seal part; 13-a flow guide pipe; 14-a fill tube; 2-a pressure relief valve; 20-a cavity; 200-corrugated fire barrier layer; 21-a sealing device; 22-pressure relief vent; 23-pressure relief air inlet; 24-a sealing ring; 25-a muffler; 26-a stopper; 3-water supplement pipeline; 30-a water replenishing valve; 4-a drainage pipeline; 40-a drain valve; 5-water level sensor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, one embodiment of the invention discloses a high-reliability water-seal flame arrester, which comprises a flame-retardant steel cylinder 1, wherein one side of the upper end of the flame-retardant steel cylinder 1 is provided with an air outlet, and the air outlet is connected with an exhaust pipe 11; a water seal part 12 is arranged in the fire retardant steel cylinder 1 below the air outlet, and liquid water is injected into the water seal part 12 in a sealing manner; an air inlet is formed in one side of the lower end of the water sealing part 12, an air inlet inner pipe 10 is connected to one side of the air inlet, which is located inside the water sealing part 12, a plurality of guide pipes 13 are fixedly arranged above the air inlet inner pipe 10 inside the water sealing part 12 along the moving direction of air from bottom to top, and the guide pipes 13 are arranged in a honeycomb shape; the distance between every two draft tubes 13 is more than three times of the pipe diameter of the draft tube 13; the length of the draft tube 13 is L1, the height of the liquid surface in the water seal part 12 is L2, and
Figure BDA0002558505320000031
through set up a plurality of and be honeycomb duct and make the honeycomb duct between two liang interval simultaneously be greater than the pipe diameter of triple honeycomb duct in water seal bottom for bubble from the time of producing when passing through the water seal that lets in the combustible gas of spark arrester all is effectively separated totally in the front and back left and right sides during the upward movement, when taking place the tempering, reduces the possibility that flame passes through bubble from the top down intercommunication, effectively prevents the tempering and pierces through the spark arrester, avoids the inefficacy of spark arrester.
In this embodiment, a plurality of air inlet holes 100 are uniformly distributed on the outer surface of the air inlet inner tube 10. So that the gas is uniformly distributed at the bottom of the water seal.
In this embodiment, a filling pipe 14 is provided in the fire retardant steel cylinder 1 above the water seal part 12, and the uppermost end of the filling pipe 14 is located below the air outlet. The filling pipe is arranged to reduce the volume of the upper end inside the fire-retardant steel cylinder so as to reduce the amount of gas during tempering.
In this embodiment, the top of back-fire relief steel cylinder 1 is provided with relief valve 2, and relief valve 2 includes cavity 20 and closing device 21, and cavity 20's upper end is provided with pressure release gas vent 22, and cavity 20 lower extreme is provided with pressure release air inlet 23, and sealing washer 24 is installed to pressure release gas vent 23 top, and closing device 21 is connected to sealing washer 24's opposite side, and closing device 21 is T type structure. The air enters the cavity from the pressure relief air inlet, and when the air pressure in the cavity exceeds a rated value, the sealing device is jacked up and is discharged from the pressure relief air outlet.
In this embodiment, a muffler 25 is installed in the pressure-relief exhaust port 22. The gas can be discharged without noise after being treated by the silencer.
In this embodiment, stoppers 26 are fixedly connected to two sides of the lower portion of the sealing device 21, and the length of the stoppers 26 is smaller than that of the pressure-relief exhaust port 23. Set up the dog and prevent that closing device from dropping at pressure release in-process, in addition when complete pressure release state, gaseous also can get into the exhaust and discharge.
In this embodiment, a corrugated firestop layer 200 is secured to the inner wall of the chamber 20. The corrugated fire-retardant layer arranged in the cavity has good fire resistance, and the safety of the pressure release valve is ensured.
In this embodiment, the water seal device further includes a water replenishing pipeline 3 for replenishing the sealing water in the water seal portion 12, a water discharging pipeline 4 for discharging the sealing water, and a water level sensor 5 for detecting the sealing water, wherein a water replenishing valve 30 is disposed on the water replenishing pipeline 3, a water discharging valve 40 is disposed on the water discharging pipeline 4, an output end of the water level sensor 5 is electrically connected to the controller, and an output end of the controller is electrically connected to both the water replenishing valve 30 and the water discharging valve 40. The water level sensor transmits a water level signal to the controller to realize water level monitoring, and when the water level of the sealing water deviates from a preset value, the controller opens the water replenishing valve and the water discharging valve to realize water feeding and discharging, so that the stability of the water level is ensured.
Finally, only specific embodiments of the present invention have been described in detail above. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a high reliable water seal spark arrester, includes back-fire relief steel cylinder (1), its characterized in that:
an air outlet is formed in one side of the upper end of the fire-retardant steel cylinder (1), and is connected with an exhaust pipe (11);
a water seal part (12) is arranged in the fire-retardant steel cylinder (1) and below the air outlet, and liquid water is injected into the water seal part (12) in a sealing manner;
the lower extreme one side of water seal portion (12) is provided with the air inlet, the air inlet is located inside one side of water seal portion (12) is connected with air intake inner tube (10), the inside of water seal portion (12) is located the fixed a plurality of honeycomb duct (13), a plurality of being provided with of motion direction from down to up is followed to the top of air intake inner tube (10) honeycomb duct (13) are honeycomb arrangement.
2. The high-reliability water-sealing flame arrester as claimed in claim 1, wherein:
the distance between every two honeycomb ducts (13) is greater than three times of the pipe diameter of the honeycomb ducts (13).
3. The high-reliability water-sealing flame arrester as claimed in claim 1, wherein:
the length of the draft tube (13) is L1, the liquid level height in the water seal part (12) is L2, and
Figure FDA0002558505310000011
4. the high-reliability water-sealing flame arrester as claimed in claim 1, wherein:
a plurality of air inlets (100) are uniformly distributed on the outer surface of the air inlet inner pipe (10).
5. The high-reliability water-sealing flame arrester as claimed in claim 1, wherein:
and a filling pipe (14) is arranged in the fire-retardant steel cylinder (1) above the water seal part (12), and the uppermost end of the filling pipe (14) is positioned below the air outlet.
6. The high-reliability water-sealing flame arrester as claimed in claim 1, wherein:
the top of back-fire relief steel cylinder (1) is provided with relief valve (2), relief valve (2) include cavity (20) and closing device (21), the upper end of cavity (20) is provided with pressure release gas vent (22), cavity (20) lower extreme is provided with pressure release air inlet (23), sealing washer (24) are installed to pressure release gas vent (23) top, the opposite side of sealing washer (24) is connected closing device (21), closing device (21) are T type structure.
7. The high-reliability water-sealing flame arrester as claimed in claim 6, wherein:
and a silencer (25) is arranged in the pressure relief exhaust port (22).
8. The high-reliability water-sealing flame arrester as claimed in claim 6, wherein:
both sides fixed connection dog (26) below closing device (21), the length of dog (26) is less than the length of pressure release gas vent (23).
9. The high-reliability water-sealing flame arrester as claimed in claim 6, wherein:
a corrugated fire barrier layer (200) is fixed on the inner wall of the cavity (20).
10. The high-reliability water-sealing flame arrester as claimed in claim 1, wherein:
still including being used for supplementing moisturizing pipeline (3), the discharge of the sealed water in water seal portion (12) drainage pipeline (4) and the detection of sealed water level sensor (5) of sealed water, be equipped with moisturizing valve (30) on moisturizing pipeline (3), be provided with drain valve (40) on drainage pipeline (4), the output and the controller electricity of level sensor (5) are connected, the output of controller with moisturizing valve (30) the equal electricity of drain valve (40) is connected.
CN202010600863.8A 2020-06-28 2020-06-28 High-reliability water-seal fire arrester Active CN111714813B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115779309A (en) * 2022-12-19 2023-03-14 辽宁鳌东氢能设备制造有限公司 Hydroenergy oxyhydrogen flame arrester

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191113075A (en) * 1911-05-31 1912-05-23 Thomas Walter Hugh Clarke Improvements in Feed Water Heaters.
GB100557A (en) * 1916-03-03 1916-06-08 Anders Anderberg Combined Feed-water Heater and Water-cooled Spark Arrester for Locomotives and the like.
CN201706010U (en) * 2010-04-09 2011-01-12 安徽南风环境工程技术有限公司 Water seal device
CN204628674U (en) * 2015-02-02 2015-09-09 天津华博天缘安全科技有限公司 A kind of quiet explosion-proof relief valve
CN104368100B (en) * 2014-11-10 2017-02-22 刘枫 Dry-wet comprehensive flame arrester for hydrogen-oxygen mixed gas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191113075A (en) * 1911-05-31 1912-05-23 Thomas Walter Hugh Clarke Improvements in Feed Water Heaters.
GB100557A (en) * 1916-03-03 1916-06-08 Anders Anderberg Combined Feed-water Heater and Water-cooled Spark Arrester for Locomotives and the like.
CN201706010U (en) * 2010-04-09 2011-01-12 安徽南风环境工程技术有限公司 Water seal device
CN104368100B (en) * 2014-11-10 2017-02-22 刘枫 Dry-wet comprehensive flame arrester for hydrogen-oxygen mixed gas
CN204628674U (en) * 2015-02-02 2015-09-09 天津华博天缘安全科技有限公司 A kind of quiet explosion-proof relief valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115779309A (en) * 2022-12-19 2023-03-14 辽宁鳌东氢能设备制造有限公司 Hydroenergy oxyhydrogen flame arrester
CN115779309B (en) * 2022-12-19 2023-11-03 辽宁鳌东氢能设备制造有限公司 Water energy oxyhydrogen flame arrester

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