CN111888693B - High pipeline fire prevention ware of security - Google Patents
High pipeline fire prevention ware of security Download PDFInfo
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- CN111888693B CN111888693B CN202010510841.2A CN202010510841A CN111888693B CN 111888693 B CN111888693 B CN 111888693B CN 202010510841 A CN202010510841 A CN 202010510841A CN 111888693 B CN111888693 B CN 111888693B
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- fire retardant
- gas transmission
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- shell
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
- A62C4/02—Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes
Abstract
The invention relates to the field of fire-retardant equipment for gas pipelines and discloses a high-safety pipeline fire-proof device which comprises a first fire-retardant shell and a second fire-retardant shell which are connected through flanges, wherein a fire-retardant core disc is fixedly sleeved inside the joint of the first fire-retardant shell and the second fire-retardant shell, a plurality of small channels are formed in the extension of the fire-retardant core disc, a linkage shaft is movably sleeved in the middle of the fire-retardant core disc, and one end of the linkage shaft is fixedly connected with a first baffle positioned on one side of an inner gas transmission pipeline of the first fire-retardant shell. This high pipeline fire prevention ware of security through the spacing gas transmission sheathed tube structural design of back-fire relief core dish and the inside activity suit of second back-fire relief casing for under the normality, spacing gas transmission sleeve pipe is whole to be in towards back-fire relief core dish removal trend, and when taking place the tempering, in flame got into the back-fire relief ware by first back-fire relief casing, flame was divided into many tiny flame streams by the tiny passageway of back-fire relief core dish department, thereby is extinguished, does not influence its continuation simultaneously and carries.
Description
Technical Field
The invention relates to the field of fire retardant equipment for gas pipelines, in particular to a pipeline fire preventer with high safety.
Background
The fire retardant device is a device for preventing external flame from entering into the equipment and pipeline in which inflammable and explosive gas is stored or preventing flame from spreading between the equipment and pipeline, and is usually arranged at the terminal end of a gas pipeline to prevent the flame at the terminal from backfiring in the gas pipeline to cause fire, explosion and other accidents in the pipeline.
However, in order to improve the fire prevention effect, the diameter of tiny passageway is very little among the current pipeline fire arrestor, this makes, when appearing tempering, the gas in the tiny passageway is extinguishing the in-process, the carbon deposit that the gas of insufficient combustion produced is piled up in tiny passageway, lead to follow-up gas to pass through easily, the problem that the fire arrestor can not normal use, and the burning when in the pipeline can cause the bigger detonation shock wave of danger, huge impact force causes the destruction to the back-fire relief spare, make the life of current back-fire arrestor reduce.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the pipeline fire extinguisher with high safety, which has the advantages of fire extinguishing safety and long effective service life and solves the problems in the background technology.
The invention provides the following technical scheme: a pipeline fire preventer with high safety comprises a first fire retardant shell and a second fire retardant shell which are connected through flanges, wherein a fire retardant core disc is fixedly sleeved inside the joint of the first fire retardant shell and the second fire retardant shell, a plurality of fine channels are formed in the extension of the fire retardant core disc, a linkage shaft is movably sleeved in the middle of the fire retardant core disc, one end of the linkage shaft is fixedly connected with a first baffle positioned on one side of an inner gas transmission pipeline of the first fire retardant shell, the other end of the linkage shaft is fixedly connected with a second baffle positioned on one side of the gas transmission pipeline of the second fire retardant shell, a first spring movably sleeved on the linkage shaft is arranged on one side of the fire retardant core disc and one side of the second baffle, the first spring is in a release state, the distance value between the first baffle and an inner cavity gas transmission pipeline opening of the first fire retardant shell is equal to the distance value between the second baffle and a pipeline opening of the second fire retardant shell, the diameter of the left inner cavity of the second fire-retardant shell is larger than that of the right inner cavity, a limiting gas transmission sleeve is movably sleeved on the right inner cavity of the second fire-retardant shell, one end of the limiting gas transmission sleeve extends to the left inner cavity of the second fire-retardant shell, the outer sides of two ends of the limiting gas transmission sleeve are respectively attached to the left inner cavity and the right inner cavity of the first fire-retardant shell, the top and the bottom of the side surface of the second fire-retardant shell are fixedly connected with an energy storage device positioned above the right cavity of the second fire-retardant shell, one end of the energy storage device is fixedly connected with the limiting gas transmission sleeve of the left inner cavity of the second fire-retardant shell, the elastic potential energy of the energy storage device enables the limiting gas transmission sleeve to be integrally positioned towards the fire-retardant core plate, the diameter of the inner part of the limiting gas transmission sleeve is the same as that of the second baffle, the side surface of the limiting gas transmission sleeve is attached to the inner wall of the second fire-retardant shell and is just positioned at the orifice of the right inner cavity of the second fire-retardant shell, the top and the equal fixedly connected with of bottom of second baffle side limit the fulcrum shaft, and the one end of two limit the fulcrum shafts all extends to limit gas transmission sheathed tube inside, two limit the fulcrum shaft respectively with limit gas transmission sheathed tube inner chamber's top and bottom swing joint, the top and the bottom of second back-fire relief casing all are equipped with the screens device, and limit gas transmission sheathed tube top and bottom set up the draw-in groove that is located second back-fire relief casing right side inner chamber, the one end of screens device extends to in the draw-in groove.
Preferably, the screens device is including injecing the pipe, injecing a fixed mounting on the second back-fire relief casing, and the inside movable sleeve of injecing the pipe is equipped with by the movable plate, by the top fixedly connected with second spring of movable plate, and the top of second spring and the top fixed connection who injecies the pipe inner chamber, by the spacing card axle of the bottom fixedly connected with of movable plate, and the bottom of spacing card axle extends to in the draw-in groove and fixedly connected with magnetic path, the top fixedly connected with magnetic stripe of spacing fulcrum shaft one end, the top of magnetic stripe is the same with the bottom magnetic pole of magnetic path.
Preferably, energy memory is including installing the energy storage pipe on second back-fire relief casing lateral wall, and the inside movable sleeve of energy storage pipe is equipped with the sliding plate, the fixed cover in middle part of sliding plate is equipped with pushes away the axle, and the one end that pushes away the axle extend to in the second back-fire relief casing and with spacing gas transmission sheathed tube side fixed connection, the other end that pushes away the axle extends to the outside of energy storage pipe, be equipped with the activity suit between the side of sliding plate and the inner wall of energy storage pipe and push away epaxial second spring.
Preferably, the side of the limiting gas transmission sleeve is fixedly connected with a second metal ring facing one side of the fire retardant core disc, the side of the second metal ring slightly protrudes out of the side of the limiting gas transmission sleeve, the side of the fire retardant core disc is fixedly connected with a first metal ring facing one side of the limiting gas transmission sleeve, the first metal ring is the same as the diameter of the clamping groove, and the first metal ring is movably connected with the side of the clamping groove.
The invention has the following beneficial effects:
1. this high pipeline fire prevention ware of security through the spacing gas transmission sheathed tube structural design of back-fire relief core dish and the inside activity suit of second back-fire relief casing for under the normality, spacing gas transmission sleeve pipe is whole to be in towards back-fire relief core dish removal trend, and when taking place the tempering, in flame got into the back-fire relief ware by first back-fire relief casing, flame was divided into many tiny flame streams by the tiny passageway of back-fire relief core dish department, thereby is extinguished, does not influence its continuation simultaneously and carries.
2. When a detonation shock wave with larger danger is caused by combustion in the pipeline, the high-strength flame shock wave props against the first baffle to move right, so that the second baffle enters the limiting gas transmission sleeve to block continuous input of fuel gas, further increase of combustion strength is avoided, meanwhile, the limiting gas transmission sleeve is in a stretched state, and the restoring force of the limiting gas transmission sleeve effectively buffers the flame shock wave, so that the problem that the first baffle is damaged by huge impact force is avoided, and the service life of the flame arrester is prolonged; and in the spacing gas transmission sleeve pipe inner chamber gas of second baffle shutoff, the removal of spacing fulcrum shaft is moved to the second baffle, make spacing fulcrum shaft top open clamping device's joint, under the potential energy effect of clamping device, make spacing gas transmission sleeve pipe remove towards back-fire relief core dish, thereby compress the atmospheric pressure of second back-fire relief casing left side inner chamber to in a plurality of tiny passageways, make the air current blow off flame in the tiny passageway on back-fire relief core dish then the carbon deposit that produces, thereby avoid the pipeline gas burning inadequately, produce the carbon deposit in back-fire relief core dish and block up tiny passageway, lead to the unable normal use problem in flame arrester later stage, the effective life of flame arrester has further been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of the energy storage device of FIG. 1 according to the present invention;
FIG. 4 is a side view of the second baffle structure of FIG. 1 according to the present invention;
FIG. 5 is a side view of the configuration of the spacing gas delivery cannula of FIG. 1 in accordance with the present invention;
FIG. 6 is a schematic view of the structure of the limiting gas transmission cannula of FIG. 1 according to the present invention.
In the figure: 1. a first firestop housing; 2. a second firestop housing; 3. a fire retardant core disc; 301. a first metal ring; 4. a linkage shaft; 401. a first spring; 5. a first baffle plate; 6. a second baffle; 601. a limiting fulcrum shaft; 602. a magnetic strip; 7. a limiting gas transmission sleeve; 701. a card slot; 702. a second metal ring; 8. a clamping device; 801. defining a tube; 802. a passive plate; 803. a second spring; 804. limiting the shaft; 805. a magnetic block; 9. an energy storage device; 901. an energy storage tube; 902. a sliding plate; 903. pushing the shaft; 904. a second spring.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a high-safety pipeline fire-proof device comprises a first fire-retardant shell 1 and a second fire-retardant shell 2 which are connected through a flange, a fire-retardant core disc 3 is fixedly sleeved inside the joint of the first fire-retardant shell 1 and the second fire-retardant shell 2, a plurality of small channels are arranged on the outer edge of the fire-retardant core disc 3, after entering the first fire-retardant shell 1, flames are divided into a plurality of small flame flows through the small channels of the fire-retardant core disc 3, and are extinguished, a linkage shaft 4 is movably sleeved in the middle of the fire-retardant core disc 3, one end of the linkage shaft 4 is fixedly connected with a first baffle 5 positioned on one side of an inner cavity gas transmission pipeline of the first fire-retardant shell 1, the other end of the linkage shaft 4 is fixedly connected with a second baffle 6 positioned on one side of the gas transmission pipeline of the second fire-retardant shell 2, a notch is formed in the middle of the fire-retardant core disc 3 facing one side of the second baffle 6, a first spring 401 is sleeved between the second baffle 6 and the inner wall of the notch, the first spring 401 is in a relaxed state, the distance value between the first baffle 5 and the gas transmission pipeline opening of the inner cavity of the first fire-retardant shell 1 is equal to the distance value between the second baffle 6 and the pipeline opening of the second fire-retardant shell 2, the diameter of the inner cavity at the left side of the second fire-retardant shell 2 is larger than that of the inner cavity at the right side, a limiting gas transmission sleeve 7 is movably sleeved on the inner cavity at the right side of the second fire-retardant shell 2, one end of the limiting gas transmission sleeve 7 extends to the inner cavity at the left side of the second fire-retardant shell 2, the outer sides of the two ends of the limiting gas transmission sleeve 7 are respectively attached to the inner cavity at the left side and the inner cavity at the right side of the first fire-retardant shell 1, the top and the bottom of the side of the second fire-retardant shell 2 are fixedly connected with an energy storage device 9 positioned above the cavity at the right side of the second fire-retardant shell, one end of the energy storage device 9 is fixedly connected with the limiting gas transmission sleeve 7 at the inner cavity at the left side of the second fire-retardant shell 2, and the diameter of the limiting gas transmission sleeve 7 is equal to the diameter of the second baffle 6, the side surface of the limiting gas transmission sleeve 7 is attached to the inner wall of the second fire retardant housing 2 and is just positioned at the orifice of the inner cavity at the right side of the second fire retardant housing 2, the top and the bottom of the side surface of the second baffle 6 are both fixedly connected with limiting fulcrum shafts 601, one ends of the two limiting fulcrum shafts 601 extend into the limiting gas transmission sleeve 7, the two limiting fulcrum shafts 601 are respectively movably connected with the top and the bottom of the inner cavity of the limiting gas transmission sleeve 7, the top and the bottom of the second fire retardant housing 2 are both provided with clamping devices 8, the top and the bottom of the limiting gas transmission sleeve 7 are provided with clamping grooves 701 positioned in the inner cavity at the right side of the second fire retardant housing 2, one end of each clamping device 8 extends into each clamping groove 701, in a normal state, as shown in figure 1, the limiting gas transmission sleeve 7 is clamped through the clamping devices 8, so that the limiting gas transmission sleeve 7 is positioned at the right side of the inner cavity of the second fire retardant housing 2, and under the action of the energy storage device 9, the whole limiting gas transmission sleeve 7 is in the moving trend towards the fire retardant core disc 3, in the process of gas transmission, gas enters from the right side of the second fire retardant shell 2, enters the inner cavity at the left side of the second fire retardant shell 2 through a gap between the limiting gas transmission sleeve 7 and the second baffle 6, enters the first fire retardant shell 1 through a plurality of fine channels on the first baffle 5, and is continuously transmitted through the gas transmission pipeline at the middle part of the first fire retardant shell 1, when backfire occurs, flame enters the flame arrester through the first fire retardant shell 1, the flame is divided into a plurality of fine flame flows through the fine channels at the fire retardant core disc 3, so that the flame is extinguished without influencing the continuous transmission of the flame, when larger detonation shock waves are caused by combustion in the pipeline, the high-strength flame shock waves push the first baffle 5 to move to the right, so that the second baffle 6 enters the limiting gas transmission sleeve 7, and the continuous input of the plugging gas is blocked, avoiding further increase of combustion intensity, simultaneously, the limit gas transmission sleeve 7 is in a stretched state, the restoring force of the limit gas transmission sleeve 7 effectively buffers flame shock waves, thereby avoiding the problem that huge impact force causes damage to the first baffle 5, further prolonging the service life of the flame arrester, and when the second baffle 6 blocks the gas in the inner cavity of the limit gas transmission sleeve 7, the second baffle 6 drives the limit fulcrum 601 to move, so that the limit fulcrum 601 jacks out the clamping connection of the clamping device 8, under the action of the potential energy of the clamping device 8, the limit gas transmission sleeve 7 moves towards the flame retardant core disc 3, thereby compressing the air pressure in the inner cavity at the left side of the second flame retardant shell 2 into a plurality of tiny channels, leading the air flow to blow out the flame in the tiny channels on the flame retardant core disc 3 and then generating carbon deposition, thereby avoiding insufficient combustion in the pipeline, generating carbon deposition in the flame retardant core disc 3 to block the tiny channels, the problem of later stage abnormal use of the flame arrester is caused, and the effective service life of the flame arrester is further prolonged.
Wherein, the clamping device 8 comprises a limiting pipe 801, the limiting pipe 801 is fixedly installed on the second fire retardant housing 2, a driven plate 802 is movably sleeved inside the limiting pipe 801, a second spring 803 is fixedly connected to the top of the driven plate 802, the top end of the second spring 803 is fixedly connected to the top of the inner cavity of the limiting pipe 801, a limiting clamping shaft 804 is fixedly connected to the bottom of the driven plate 802, the bottom end of the limiting clamping shaft 804 extends into the clamping groove 701 and is fixedly connected with a magnetic block 805, a magnetic strip 602 is fixedly connected to the top of one end of the limiting support shaft 601, the top of the magnetic strip 602 has the same magnetic pole as the bottom of the magnetic block 805, in a normal state, the limiting clamping shaft 804 is always in a state of being clamped in the clamping groove 701 through the elastic force of the second spring 803, so that the limiting gas transmission sleeve 7 is only in a trend of moving towards the fire retardant core disc 3 under the potential energy of the energy storage device 9, and when the second plate 6 moves to the limiting gas transmission sleeve 7 to block continuous transmission of the gas, magnetic stripe 602 moves the below of removing to magnetic path 805 along with spacing fulcrum 601, utilize magnetic stripe 602 to overcome the elasticity of second spring 803 to the repulsion of magnetic path 805, make spacing card axle 804 shift up and break away from draw-in groove 701, spacing gas transmission sleeve 7 is under energy memory 9's potential energy effect, move towards back-fire relief core dish 3, so that utilize the gas of the removal compression second back-fire relief casing 2 left side inner chamber of spacing gas transmission sleeve 7, thereby compress the atmospheric pressure of second back-fire relief casing 2 left side inner chamber to in a plurality of tiny passageways, make the air current blow out the carbon deposit of flame in tiny passageway then production on back-fire relief core dish 3, thereby it is not enough to avoid the pipeline gas burning, produce the carbon deposit in back-fire relief core dish 3 and block up tiny passageway, lead to the unable normal use problem in flame arrester later stage.
Wherein the energy storage device 9 comprises an energy storage pipe 901 arranged on the side wall of the second fire retardant shell 2, a sliding plate 902 is movably sleeved in the energy storage tube 901, a push shaft 903 is fixedly sleeved in the middle of the sliding plate 902, one end of the push shaft 903 extends into the second fire retardant shell 2 and is fixedly connected with the side surface of the limiting gas transmission sleeve 7, the other end of the push shaft 903 extends to the outside of the energy storage tube 901, a second spring 904 which is movably sleeved on the push shaft 903 is arranged between the side surface of the sliding plate 902 and the inner wall of the energy storage tube 901, when the limiting clamp shaft 804 clamps the clamp groove 701, and the clamp groove 701 is positioned at the right side of the inner cavity of the second fire retardant shell 2, the second spring 904 is in a compressed state, the elastic potential energy of the device provides the kinetic energy for limiting the movement of the gas transmission sleeve 7 towards the fire retardant core disc 3, when the limiting clamp shaft 804 is separated from the clamp groove 701, under the elastic potential energy of the second spring 904, the limiting gas transmission sleeve 7 is enabled to move towards the fire retardant core plate 3.
Wherein, the side of the spacing gas transmission sleeve 7 is fixedly connected with a second metal ring 702 facing one side of the fire retardant core disc 3, the side of the second metal ring 702 slightly protrudes out of the side of the spacing gas transmission sleeve 7, the side of the fire retardant core disc 3 is fixedly connected with a first metal ring 301 facing one side of the spacing gas transmission sleeve 7, the diameter of the first metal ring 301 is the same as that of the clamping groove 701, and the first metal ring 301 is movably connected with the side of the clamping groove 701, when strong combustion occurs in the pipeline to cause greater danger of detonation shock wave, the shock wave causes the first baffle 5 to drive the linkage shaft 4 and the second baffle 6 to integrally move to the right, the second baffle 6 blocks the spacing gas transmission sleeve 7 to cut off the gas transmission at the two sides of the first fire retardant shell 1 and the second fire retardant shell 2, so as to avoid further expansion of combustion power, and simultaneously, the magnetic stripe 602 and the spacing fulcrum 601 move to the lower part of the spacing clamping shaft 804 along with the second baffle 6, the repulsion force of the magnetic strip 602 to the magnetic block 805 enables the limiting clamping shaft 804 and the magnetic block 805 to be completely separated from the limiting gas transmission sleeve 7, the limiting gas transmission sleeve 7 is moved towards the fire retardant core disc 3 under the action of elastic potential energy of the second spring 904 until the clamping groove 701 collides with the first metal ring 301, and a strong roaring sound alarm is sent out, so that a worker can know that a high-risk tempering event occurs in the pipeline, the tempering event can be timely handled, and the expansion of the dangerous event can be avoided.
When the flame arrester is used, the flame arrester is connected between a gas pipeline and a combustion terminal through the first flame arresting housing 1 and the second flame arresting housing 2, when the terminal is tempered, flame enters the flame arrester from the first flame arresting housing 1, the flame is divided into a plurality of fine flame flows through a plurality of fine channels of a flame arresting core disc 3 in the flame arrester and is extinguished, when the terminal is tempered strongly and detonation shock waves are caused, the shock waves enable the first baffle 5 to drive the linkage shaft 4 and the second baffle 6 to move to the right integrally, the second baffle 6 blocks the limiting gas transmission sleeve 7 to separate the gas transmission at two sides of the first flame arresting housing 1 and the second flame arresting housing 2, the combustion power is prevented from further expanding, so that the fine channels on the flame arresting core disc 3 are extinguished, meanwhile, the magnetic stripe 602 and the limiting fulcrum 601 move to the lower part of the limiting clamping shaft 804 along with the second baffle 6, and the magnetic stripe 602 repels the magnetic stripe 805 to the magnetic block, make spacing calorie of axle 804, magnetic path 805 breaks away from spacing gas transmission sleeve pipe 7 completely, receive the elastic potential energy effect of second spring 904 at spacing gas transmission sleeve pipe 7, move towards back-fire relief core disc 3, the gaseous tiny passageway in back-fire relief core disc 3 of passing through of the interior chamber of compression second back-fire relief casing 2, blow off the insufficient carbon deposit that produces of gas combustion in the tiny passageway, prevent that tiny passageway from blockking up on the back-fire relief core disc 3, and along with draw-in groove 701 collides first becket 301, send stronger booming sound alarm, so that the staff knows the dangerous great tempering incident that appears in the pipeline, in time handle, can.
It is noted that, herein, relational terms such as first and second, and the like may be 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a high pipeline fire prevention ware of security, includes flange joint's first back-fire relief casing (1) and second back-fire relief casing (2), its characterized in that: the fire retardant core disc (3) is fixedly sleeved inside the joint of the first fire retardant shell (1) and the second fire retardant shell (2), a plurality of fine channels are formed in the extension of the fire retardant core disc (3), the linkage shaft (4) is movably sleeved in the middle of the fire retardant core disc (3), one end of the linkage shaft (4) is fixedly connected with a first baffle (5) positioned on one side of an inner gas transmission pipeline of the first fire retardant shell (1), the other end of the linkage shaft (4) is fixedly connected with a second baffle (6) positioned on one side of a gas transmission pipeline of the second fire retardant shell (2), one side of the fire retardant core disc (3) and the second baffle (6) is provided with a first spring (401) movably sleeved on the linkage shaft (4), the first spring (401) is in a relaxed state, and the distance value between the first baffle (5) and the inner cavity of the first fire retardant shell (1) and the distance value between the second baffle (6) and the opening of the second fire retardant shell (2) are equal, the diameter of the left inner cavity of the second fire retardant shell (2) is larger than that of the right inner cavity, a limiting gas transmission sleeve (7) is movably sleeved on the right inner cavity of the second fire retardant shell (2), one end of the limiting gas transmission sleeve (7) extends to the left inner cavity of the second fire retardant shell (2), the outer sides of the two ends of the limiting gas transmission sleeve (7) are respectively attached to the left inner cavity and the right inner cavity of the first fire retardant shell (1), the top and the bottom of the side surface of the second fire retardant shell (2) are fixedly connected with an energy storage device (9) above the right cavity of the second fire retardant shell, one end of the energy storage device (9) is fixedly connected with the limiting gas transmission sleeve (7) of the left inner cavity of the second fire retardant shell (2), the elastic potential energy of the energy storage device (9) enables the limiting gas transmission sleeve (7) to be wholly located towards the movement trend of the fire retardant core disc (3), and the diameter of the inner part of the limiting gas transmission sleeve (7) is the same as that of the second fire retardant plate (6), the side face of the limiting gas transmission casing (7) is attached to the inner wall of the second fire retardant casing (2) and is just located at the pipe orifice of the inner cavity of the right side of the second fire retardant casing (2), the top and the bottom of the side face of the second baffle (6) are fixedly connected with limiting support shafts (601), one ends of the two limiting support shafts (601) extend into the limiting gas transmission casing (7), the two limiting support shafts (601) are movably connected with the top and the bottom of the inner cavity of the limiting gas transmission casing (7) respectively, clamping devices (8) are arranged at the top and the bottom of the second fire retardant casing (2), clamping grooves (701) located in the inner cavity of the right side of the second fire retardant casing (2) are formed in the top and the bottom of the limiting gas transmission casing (7), and one end of each clamping device (8) extends into the clamping groove (701);
the clamping device (8) comprises a limiting pipe (801), the limiting pipe (801) is fixedly mounted on the second fire retardant shell (2), a driven plate (802) is movably sleeved inside the limiting pipe (801), the top of the driven plate (802) is fixedly connected with a second spring (803), the top end of the second spring (803) is fixedly connected with the top of an inner cavity of the limiting pipe (801), the bottom of the driven plate (802) is fixedly connected with a limiting clamping shaft (804), the bottom end of the limiting clamping shaft (804) extends into the clamping groove (701) and is fixedly connected with a magnetic block (805), the top of one end of the limiting supporting shaft (601) is fixedly connected with a magnetic strip (602), and the top of the magnetic strip (602) is the same as the bottom magnetic pole of the magnetic block (805);
energy memory (9) are including installing energy storage pipe (901) on second back-fire relief casing (2) lateral wall, and the inside movable sleeve of energy storage pipe (901) is equipped with sliding plate (902), the fixed cover in middle part of sliding plate (902) is equipped with and pushes away axle (903), and the one end that pushes away axle (903) extend to second back-fire relief casing (2) in and with the side fixed connection of spacing gas transmission sleeve pipe (7), the other end that pushes away axle (903) extends to the outside of energy storage pipe (901), be equipped with second spring (904) of activity suit on pushing away axle (903) between the side of sliding plate (902) and the inner wall of energy storage pipe (901).
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| CN202010510841.2A CN111888693B (en) | 2020-06-08 | 2020-06-08 | High pipeline fire prevention ware of security |
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| CN202010510841.2A CN111888693B (en) | 2020-06-08 | 2020-06-08 | High pipeline fire prevention ware of security |
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| CN111888693B true CN111888693B (en) | 2021-09-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657094B (en) * | 2021-01-21 | 2021-11-23 | 海宁新奥燃气有限公司 | Flame arrester for gas pipeline |
| CN113244550B (en) * | 2021-07-14 | 2021-09-07 | 江苏嘉胜石油科技有限公司 | High-stability storage tank free discharge flame arrester |
| CN113750408B (en) * | 2021-09-18 | 2022-06-14 | 浙江上石化机械有限公司 | Flame arrester with fluctuation type fire retardant core |
| CN115531780B (en) * | 2022-09-26 | 2023-07-25 | 上海凯凡石化设备有限公司 | Flame arrester for petrochemical engineering safety production |
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| CN207520481U (en) * | 2017-11-13 | 2018-06-22 | 无锡天顺环境技术有限公司 | A kind of pipeline spark arrester |
| CN207591137U (en) * | 2017-11-13 | 2018-07-10 | 无锡天顺环境技术有限公司 | Flame arrester for pipe |
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| CN111888693A (en) | 2020-11-06 |
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