CN115006767A - Zero-leakage nitrogen fire extinguishing trigger device - Google Patents
Zero-leakage nitrogen fire extinguishing trigger device Download PDFInfo
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- CN115006767A CN115006767A CN202210633433.5A CN202210633433A CN115006767A CN 115006767 A CN115006767 A CN 115006767A CN 202210633433 A CN202210633433 A CN 202210633433A CN 115006767 A CN115006767 A CN 115006767A
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- trigger
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 80
- 239000005394 sealing glass Substances 0.000 claims abstract description 61
- 238000010304 firing Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 210000004907 gland Anatomy 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 abstract description 30
- 230000006835 compression Effects 0.000 abstract description 28
- 238000007906 compression Methods 0.000 abstract description 28
- 238000009434 installation Methods 0.000 abstract description 13
- 239000003566 sealing material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 13
- 229910001873 dinitrogen Inorganic materials 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 230000001960 triggered effect Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to a zero-leakage nitrogen fire-extinguishing trigger device which comprises a base, wherein a sealing groove is arranged at the top end of the base, and an air guide hole is formed in the bottom of the sealing groove; the bottom of the sealing groove is provided with sealing glass, the top of the base is fixedly provided with an exhaust funnel, the top of the exhaust funnel is provided with an end cover, and the side wall of the exhaust funnel is provided with an exhaust hole; an installation groove is formed in the end cover at the top end of the exhaust funnel, a connecting hole is formed in the bottom of the installation groove, and the bottom end of the ejector rod penetrates through the connecting hole and then is connected with the top end of the firing pin; the top end of the exhaust funnel is fixedly connected with the bottom end of the trigger shell, a hammer is arranged in the trigger shell, a compression spring is arranged on the hammer, and the top end of the hammer is connected with an automatic trigger mechanism. The invention adopts high-finish glass as a main sealing material and other measures to ensure the tightness of the trigger device, can realize zero leakage and remote control automatic triggering, reduces the labor intensity of workers and improves the triggering safety.
Description
Technical Field
The invention relates to the technical field of pipeline conveying and petrochemical heating furnace fire-fighting emergency equipment, in particular to a zero-leakage nitrogen fire-extinguishing trigger device.
Background
The nitrogen fire extinguishing system is a heating furnace auxiliary system and belongs to fire safety facilities. The use frequency is extremely low and the requirement on the working reliability is extremely high due to the function and the property of the product. The consequences of failure or reduced performance of safety fire-fighting equipment are severe and the risk of failure of the fire suppression system in the event of a furnace fire explosion is unacceptable.
In daily operation application, the application range of the system is small, and no relevant company develops a special trigger device for the system. The valve used for triggering the nitrogen fire extinguishing system of the heating furnace of the oil-gas pipeline is a combination of an electromagnetic valve and a ball valve, so that the manual and automatic triggering functions are realized, wherein the electromagnetic valve is used for automatic triggering, and the ball valve is used for manual triggering. The sealing performance of the valve is greatly influenced by the type of the valve, the requirement of system tightness cannot be met, nitrogen needs to be supplemented to the nitrogen fire extinguishing system regularly, the valve leaks due to the influence of environmental temperature on the sealing end face of outdoor work for a long time, the sealing section of the valve is moved along with the time lapse, the abrasion tightness of the section can be gradually reduced, the system gas leakage is verified, and the maintenance amount of the nitrogen fire extinguishing system is increased. Meanwhile, the system adopts flange connection or threaded connection, and the expansion with heat and the contraction with cold of sealing elements of the flange connection and the threaded connection cannot be avoided, so that the air tightness is influenced by factors such as aging of the sealing elements of the trigger part of the existing nitrogen fire extinguishing system, valve switch abrasion and the like.
Because the construction of oil gas pipeline station is usually far away from urban areas, even in unmanned areas such as deserts, forests and the like, the transportation of nitrogen is inconvenient, and meanwhile, nitrogen bottles belong to the transportation of hazardous chemicals, and the great difficulty is brought to the operation and maintenance of nitrogen fire extinguishing systems of station yards in more remote areas.
Meanwhile, the working characteristics of the system are only started under the emergency working condition of the heating furnace, the ball valve used by the manual trigger part is not operated for a long time, the blockage phenomenon can occur, the valve is difficult to open, the valve handle can be damaged and the valve cannot be opened even if the system is serious, and the nitrogen fire extinguishing system has serious potential safety hazard due to failure.
Disclosure of Invention
The invention aims to solve the technical problem of providing a zero-leakage nitrogen fire-extinguishing trigger device, which eliminates the hidden danger of electromagnetic valve leakage, the hidden danger of manual valve locking and the hidden danger of personal safety of automatic trigger failure emergency operation in the existing system.
The technical scheme for solving the technical problems is as follows: a zero-leakage nitrogen fire-extinguishing triggering device comprises a base, the bottom end of the base is used for being communicated with an outlet of a storage tank, a sealing groove is formed in the top end of the base, and an air guide hole penetrating through the bottom end of the base is formed in the bottom of the sealing groove; the bottom of the sealing groove is provided with sealing glass for sealing and covering the air guide hole, the top of the base is fixedly provided with an exhaust funnel, the top of the exhaust funnel is provided with an end cover, the bottom end of the exhaust funnel is communicated with the sealing groove, and the side wall of the exhaust funnel is provided with an exhaust hole; the top end cover of the exhaust funnel is provided with a mounting groove, the bottom of the mounting groove is provided with a connecting hole communicated with the inner cavity of the exhaust funnel, a top cover is arranged in the mounting groove in a sliding mode, the bottom of the top cover is fixedly connected with the top end of a top rod, the top of the top cover is fixedly provided with a collision seat, the collision seat protrudes upwards out of the mounting groove, the bottom end of the top rod penetrates through the connecting hole and then is connected with the top end of a firing pin, and the bottom end of the firing pin is arranged on the upper surface of the sealing glass; the top end of the exhaust funnel is fixedly connected with the bottom end of the trigger shell, a hammer is arranged in the trigger shell and is arranged vertically above the impact seat, and the top end of the hammer is connected with an automatic trigger mechanism used for lifting or releasing the hammer upwards.
The invention has the beneficial effects that: the invention solves three safety hidden dangers of leakage hidden danger, manual valve blocking hidden danger and personal injury caused by automatic triggering failure emergency operation of the existing nitrogen fire extinguishing system, adopts various measures such as high-finish glass as a main sealing material and the like to ensure the tightness of the triggering device, can realize zero leakage and simultaneously realize remote control automatic triggering, reduces the labor intensity of workers and improves the triggering safety.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, be equipped with in the seal groove be used for with sealed glass covers in the gland of seal groove tank bottom, the top of gland with fixed connection can be dismantled at the top of base, the bottom of gland supports to press on sealed glass.
The beneficial effect of adopting the further scheme is that: the arrangement of the gland can ensure that the sealing glass can be tightly attached to the bottom of the sealing groove, the sealing performance of the sealing glass air guide hole is improved, and the leakage of nitrogen is avoided.
Further, sealing rings are arranged between the bottom end of the gland and the sealing glass and between the sealing glass and the groove bottom of the sealing groove.
The beneficial effect of adopting the further scheme is that: the sealing ring can further ensure the sealing glass to seal the sealing cover of the air guide hole, and the leakage of nitrogen is avoided.
Further, a thread groove is formed in the bottom end of the ejector rod, an external thread is arranged on the upper portion of the firing pin, and the upper portion of the firing pin is connected into the thread groove in a threaded mode.
The beneficial effect of adopting the further scheme is that: the ejector rod is in threaded connection with the firing pin, so that the mounting is convenient, and the extension length of the firing pin can be adjusted as required to break the sealing glass.
Further, the automatic triggering mechanism comprises a first push-pull electromagnet, a locking cylinder is arranged at the top end of the trigger shell and communicated with the trigger shell, the top of the hammer is arranged in the locking cylinder, a locking hole is formed in the side wall of the top of the hammer, a through hole is formed in the side wall of the locking cylinder, a locking pin is arranged in the through hole, one end of the locking pin is inserted in the locking hole, and the other end of the locking pin is connected with the front end of a push-pull rod of the first push-pull electromagnet through a connecting rod.
The beneficial effect of adopting the above further scheme is: in a normal state, since the locking pin is inserted into the locking hole on the side wall of the top of the hammer, the hammer is restrained to be suspended vertically above the jack; when the first push-pull electromagnet receives a remote starting signal, the first push-pull electromagnet extracts the locking pin from the locking hole, and the hammer impacts the ejector rod downwards under the action of gravity and the elastic force of the compression spring, so that the striker is driven to impact the sealing glass, and the air guide hole is communicated.
Furthermore, the tail end of a push-pull rod of the first push-pull electromagnet is connected with one end of a steel wire rope.
The beneficial effect of adopting the above further scheme is: the tail end of a push-pull rod of the push-pull electromagnet extends out, and the push-pull rod can be driven to move backwards by pulling the tail end of the push rod, so that the locking pin is pulled out, and manual triggering is realized.
Furthermore, the automatic triggering mechanism comprises a second push-pull electromagnet, a push-pull rod of the second push-pull electromagnet is vertically arranged, the top end of the hammer upwards extends out of the triggering shell and then is hinged with one end of a lever, the middle of the lever is hinged with the support, and the other end of the lever is hinged with the front end of the push-pull rod of the second push-pull electromagnet.
The beneficial effect of adopting the further scheme is that: the push-pull rod of the second push-pull electromagnet retracts downwards, so that one end of the lever is driven to move downwards, the hammer in a structure at the other end of the lever is lifted, the hammer is suspended at a certain height to keep gravitational potential energy, when the automatic triggering is needed, the station control room sends out a starting signal to be connected, the push-pull rod of the second push-pull electromagnet moves upwards, so that the hammer is driven to move downwards to impact the ejector rod, the striker is driven to impact the sealing glass, and the air guide hole is communicated.
Furthermore, the middle part of the lever is hinged with the support through a safety pin, and one end of the safety pin is fixedly connected with one end of the steel wire rope.
The beneficial effect of adopting the further scheme is that: through manual pulling wire rope for the safety pin breaks away from, thereby makes lever and hammer downstream under the effect of gravity, and the hammer striking ejector pin to drive the firing pin striking sealed glass, realizes switching on of air guide hole, thereby realizes manual trigger.
Furthermore, the automatic triggering mechanism comprises a third push-pull electromagnet, the top end of the hammer extends upwards out of the triggering shell and then is hinged with one end of a lever, the middle part of the lever is hinged with the support, and the front end of a push-pull rod of the third push-pull electromagnet extends out to be pressed against the other end of the lever.
The beneficial effect of adopting the further scheme is that: the push-pull rod of the third push-pull electromagnet extends out to abut against one end of the lever, the hammer connected with the other end of the lever is lifted at the moment, the lever hovers at a certain height to keep gravitational potential energy, when automatic triggering is needed, the station control room sends out a starting signal to be connected, the push-pull rod of the third push-pull electromagnet is separated from the lever, the hammer moves downwards under the action of the gravity of the hammer and the elastic force of the compression spring to impact the ejector rod, so that the firing pin is driven to impact the sealed glass, and the conduction of the air guide hole is realized.
Furthermore, the tail end of a push-pull rod of the third push-pull electromagnet is connected with one end of a steel wire rope.
The beneficial effect of adopting the further scheme is that: the tail end of a push-pull rod of the push-pull electromagnet extends out, and the push-pull rod can be driven to move backwards by pulling the tail end of the push rod, so that the push-pull rod is separated from the lever, and manual triggering is realized.
Furthermore, a support frame is fixedly arranged on the outer wall of the exhaust funnel or the outer wall of the trigger through a hoop, and the automatic trigger mechanism is fixedly arranged on the support frame.
The beneficial effect of adopting the further scheme is that: the automatic trigger mechanism is fixed on the outer wall of the exhaust funnel or the triggered outer wall through the hoop, so that the integral installation is facilitated.
Further, the hammer includes the drive rod and fixes and establishes the hammer block of drive rod bottom, the top of drive rod with automatic trigger mechanism connects, and compression spring cover is established on the drive rod, compression spring's bottom supports and presses the upper surface of hammer block, compression spring's top butt the interior roof of trigger shell.
The beneficial effect of adopting the further scheme is that: the installation of compression spring is convenient.
Furthermore, an anti-falling cover is arranged at the notch of the mounting groove, and the top end of the collision seat penetrates upwards and extends out of the anti-falling cover.
The beneficial effect of adopting the further scheme is that: the setting of anticreep lid can avoid hitting rocking of seat, top cap and ejector pin and leading to sealed glass to be broken.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a sealing groove; 3. an air vent; 4. sealing glass; 5. an exhaust funnel; 6. an exhaust hole; 7. mounting grooves; 8. connecting holes; 9. a top cover; 10. a top rod; 11. a striker; 12. a trigger housing; 13. a hammer; 14. a gland; 15. a seal ring; 16. a first push-pull electromagnet; 17. a locking cylinder; 18. a locking hole; 19. a through hole; 20. locking the pin; 21. a connecting rod; 22. a wire rope; 23. a second push-pull electromagnet; 24. a lever; 25. a support; 26. a shear pin; 27. a third push-pull electromagnet; 28. hooping; 29. a support frame; 30. an anti-drop cover; 31. a bumping seat; 32. compressing the spring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example one
As shown in fig. 1, the present embodiment includes a base 1 having a bottom end for communicating with an outlet of a storage tank, a sealing groove 2 is disposed on the top end of the base 1, and an air vent 3 penetrating through the bottom end of the base 1 is disposed at the bottom of the sealing groove 2; the bottom of the sealing groove 2 is provided with sealing glass 4 for sealing and covering the air guide hole 3, the top of the base 1 is fixedly provided with an exhaust funnel 5, the top of the exhaust funnel 5 is provided with an end cover, the bottom end of the exhaust funnel 5 is communicated with the sealing groove 2, specifically, the periphery of the top of the base 1 is provided with external threads, the inner wall of the bottom end of the exhaust funnel 5 is provided with internal threads, the base 1 is in threaded connection with the exhaust funnel 5, so that the mounting and dismounting are convenient, and the side wall of the exhaust funnel 5 is provided with an exhaust hole 6; the top end cover of the exhaust funnel 5 is provided with a mounting groove 7, the bottom of the mounting groove 7 is provided with a connecting hole 8 communicated with the inner cavity of the exhaust funnel 5, a top cover 9 is arranged in the mounting groove 7 in a sliding manner, the bottom of the top cover 9 is fixedly connected with the top end of a top rod 10, the top of the top cover 9 is fixedly provided with a collision seat 31, the collision seat 31 protrudes upwards out of the mounting groove 7, the bottom end of the top rod 10 penetrates through the connecting hole 8 and then is connected with the top end of a collision pin 11, the bottom end of the collision pin 11 is arranged on the upper surface of the sealing glass 4, in order to guarantee a triggering effect, a scratch is prefabricated by using a glass cutter on the surface of the sealing glass 4, so that a damage effect is improved, a nitrogen channel is widened, and ventilation volume is guaranteed; the top end of the exhaust funnel 5 is fixedly connected with the bottom end of a trigger shell 12, a driving hammer 13 is arranged in the trigger shell 12, the driving hammer 13 is arranged vertically above a collision seat 31, a compression spring 32 is sleeved on the driving hammer 13, the bottom end of the compression spring 32 is connected with the lower end of the driving hammer 13, the bottom end of the compression spring 32 is abutted to the inner top wall of the trigger shell 12, the top end of the driving hammer 13 is connected with an automatic trigger mechanism used for lifting or releasing the driving hammer 13 upwards, specifically, a support frame 29 is fixedly arranged on the outer wall of the exhaust funnel 5 or the triggered outer wall through a hoop 28, the automatic trigger mechanism is fixedly arranged on the support frame 29, and is fixed on the outer wall of the exhaust funnel 5 or the triggered outer wall through the hoop 28, so that the whole installation is facilitated.
Preferably, in the present embodiment, a pressing cover 14 for pressing the sealing glass 4 against the bottom of the sealing groove 2 is provided in the sealing groove 2, the gland 14 comprises a top plate and a lower cylinder body, the top end of the lower cylinder body is fixedly connected with the top plate in an integrated manner, the top plate is provided with a hole communicated with the inner cavity of the lower barrel body, the firing pin 11 is arranged in the hole and the inner cavity of the lower barrel body, the top plate is detachably and fixedly connected with the top of the base 1 through a screw, the lower cylinder is arranged in the sealing groove 2, and the periphery wall of barrel with sealing connection between the inner wall of seal groove 2 down, the bottom of barrel supports to press down on sealing glass 4, and the setting of gland 14 can ensure that sealing glass 4 can closely laminate at the tank bottom of seal groove 2, improves the leakproofness of sealing glass 4 gas guide hole 3, avoids the leakage of nitrogen gas. Further, the bottom of barrel with all be equipped with sealing washer 15 between the sealed glass 4 and between sealed glass 4 and the tank bottom of seal groove 2 down, the setting of sealing washer 15 can further ensure sealed glass 4 to the sealed closing cap of air guide hole 3, avoids the leakage of nitrogen gas.
In this embodiment, a thread groove is formed at the bottom end of the ejector rod 10, an external thread is formed at the upper part of the firing pin 11, the upper part of the firing pin 11 is screwed in the thread groove, and the ejector rod 10 and the firing pin 11 are screwed, so that the installation is facilitated, and the protruding length of the firing pin 11 can be adjusted as required to ensure that the sealing glass 4 can be broken.
It should be noted that, in this embodiment, the automatic trigger mechanism includes a first push-pull electromagnet 16, a locking cylinder 17 is disposed at the top end of the trigger housing 12, the locking cylinder 17 is communicated with the trigger housing 12, the top of the hammer 13 is disposed in the locking cylinder 17, a locking hole 18 is disposed on the side wall of the top of the hammer 13, a through hole 19 is disposed on the side wall of the locking cylinder 17, a locking pin 20 is disposed in the through hole 19, one end of the locking pin 20 is inserted into the locking hole 18, and the other end of the locking pin 20 is connected to the front end of the push-pull rod of the first push-pull electromagnet 16 through a connecting rod 21, and in a normal state, since the locking pin 20 is inserted into the locking hole 18 on the side wall of the top of the hammer 13, the hammer 13 is restrained so as to hang vertically above the top rod 10; when the first push-pull electromagnet 16 receives the remote start signal, the first push-pull electromagnet 16 pulls the locking pin 20 out of the locking hole 18, and the hammer 13 impacts the ejector rod 10 downwards under the action of gravity, so as to drive the striker 11 to impact the sealing glass 4, and the air guide hole 3 is conducted. The tail end of the push-pull rod of the first push-pull electromagnet 16 is connected with one end of the steel wire rope 22, the tail end of the push-pull rod of the first push-pull electromagnet extends out, and the push-pull rod can be driven to move backwards by pulling the tail end of the push rod, so that the locking pin 20 is pulled out, and manual triggering is achieved. Because the nitrogen fire extinguishing system is usually arranged in the heating furnace area, once an emergency occurs, the whole heating furnace area is in a high-risk area and cannot be accessed by personnel. The trigger point can be located in an area remote from the furnace to ensure the personal safety of the manually triggered personnel in an emergency.
Preferably, in the present embodiment, a pressing cover 14 for pressing the sealing glass 4 against the bottom of the sealing groove 2 is provided in the sealing groove 2, the gland 14 comprises a top plate and a lower cylinder body, the top end of the lower cylinder body is fixedly connected with the top plate in an integrated manner, the top plate is provided with a hole communicated with the inner cavity of the lower barrel body, the firing pin 11 is arranged in the hole and the inner cavity of the lower barrel body, the top plate is detachably and fixedly connected with the top of the base 1 through a screw, the lower cylinder is arranged in the sealing groove 2, and the periphery wall of barrel with sealing connection between the inner wall of seal groove 2 down, the bottom of barrel supports to press down on sealing glass 4, and the setting of gland 14 can ensure that sealing glass 4 can closely laminate at the tank bottom of seal groove 2, improves the leakproofness of sealing glass 4 gas guide hole 3, avoids the leakage of nitrogen gas. Further, the bottom of barrel with all be equipped with sealing washer 15 between the sealed glass 4 and between sealed glass 4 and the tank bottom of seal groove 2 down, the setting of sealing washer 15 can further ensure sealed glass 4 to the sealed closing cap of air guide hole 3, avoids the leakage of nitrogen gas.
In this embodiment, the hammer 13 includes the drive rod and fixes and establishes the hammer block of drive rod bottom, the top of drive rod with automatic trigger mechanism connects, the compression spring cover is established on the drive rod, the bottom of compression spring 32 supports and presses the upper surface of hammer block, the top butt of compression spring 32 the interior roof of trigger shell 12 makes things convenient for compression spring 32's installation. The anti-falling cover 30 is arranged at the notch of the mounting groove 7, the top end of the collision seat 31 penetrates upwards and extends out of the anti-falling cover 30, and the anti-falling cover 30 can prevent the sealing glass 4 from being broken due to the fact that the collision seat, the top cover and the ejector rod shake.
Example two
As shown in fig. 2, the present embodiment includes a base 1 having a bottom end for communicating with an outlet of the storage tank, a sealing groove 2 is disposed on the top end of the base 1, and an air vent 3 penetrating through the bottom end of the base 1 is disposed at the bottom of the sealing groove 2; the bottom of the sealing groove 2 is provided with sealing glass 4 for sealing and covering the air guide hole 3, the top of the base 1 is fixedly provided with an exhaust funnel 5, the top of the exhaust funnel 5 is provided with an end cover, the bottom end of the exhaust funnel 5 is communicated with the sealing groove 2, specifically, the periphery of the top of the base 1 is provided with external threads, the inner wall of the bottom end of the exhaust funnel 5 is provided with internal threads, the base 1 is in threaded connection with the exhaust funnel 5, so that the mounting and dismounting are convenient, and the side wall of the exhaust funnel 5 is provided with an exhaust hole 6; the top end cover of the exhaust funnel 5 is provided with a mounting groove 7, the bottom of the mounting groove 7 is provided with a connecting hole 8 communicated with the inner cavity of the exhaust funnel 5, a top cover 9 is arranged in the mounting groove 7 in a sliding manner, the bottom of the top cover 9 is fixedly connected with the top end of a top rod 10, the top of the top cover 9 is fixedly provided with a collision seat 31, the collision seat 31 protrudes upwards out of the mounting groove 7, the bottom end of the top rod 10 penetrates through the connecting hole 8 and then is connected with the top end of a collision pin 11, the bottom end of the collision pin 11 is arranged on the upper surface of the sealing glass 4, in order to guarantee a triggering effect, a scratch is prefabricated by using a glass cutter on the surface of the sealing glass 4, so that a damage effect is improved, a nitrogen channel is widened, and ventilation volume is guaranteed; the top end of the exhaust funnel 5 is fixedly connected with the bottom end of a trigger shell 12, a hammer 13 is arranged in the trigger shell 12, the hammer 13 is arranged vertically above the collision seat 31, the top end of the hammer 13 is connected with an automatic trigger mechanism used for lifting or releasing the hammer 13 upwards, specifically, a support frame 29 is fixedly arranged on the outer wall of the exhaust funnel 5 or the triggered outer wall through a hoop 28, the automatic trigger mechanism is fixedly arranged on the support frame 29, and the automatic trigger mechanism is fixed on the outer wall of the exhaust funnel 5 or the triggered outer wall through the hoop 28, so that the integral installation is facilitated.
Preferably, in the present embodiment, a pressing cover 14 for pressing the sealing glass 4 against the bottom of the sealing groove 2 is provided in the sealing groove 2, the gland 14 comprises a top plate and a lower cylinder body, the top end of the lower cylinder body is fixedly connected with the top plate in an integrated manner, the top plate is provided with a hole communicated with the inner cavity of the lower barrel body, the firing pin 11 is arranged in the hole and the inner cavity of the lower barrel body, the top plate is detachably and fixedly connected with the top of the base 1 through a screw, the lower cylinder is arranged in the sealing groove 2, and the periphery wall of barrel with sealing connection between the inner wall of seal groove 2 down, the bottom of barrel supports to press down on sealing glass 4, and the setting of gland 14 can ensure that sealing glass 4 can closely laminate at the tank bottom of seal groove 2, improves the leakproofness of sealing glass 4 gas guide hole 3, avoids the leakage of nitrogen gas. Further, the bottom of barrel with all be equipped with sealing washer 15 between the sealed glass 4 and between sealed glass 4 and the tank bottom of seal groove 2 down, the setting of sealing washer 15 can further ensure sealed glass 4 to the sealed closing cap of air guide hole 3, avoids the leakage of nitrogen gas.
In this embodiment, a thread groove is formed at the bottom end of the ejector rod 10, an external thread is formed at the upper portion of the firing pin 11, the upper portion of the firing pin 11 is screwed into the thread groove, and the ejector rod 10 and the firing pin 11 are in threaded connection, so that on one hand, installation is facilitated, and on the other hand, the extension length of the firing pin 11 can be adjusted as required, so that the sealing glass 4 can be crushed.
In this embodiment, the automatic triggering mechanism includes a second push-pull electromagnet 23, a push-pull rod of the second push-pull electromagnet 23 is vertically disposed, a top end of the hammer 13 extends upward out of the triggering housing 12 and is hinged to one end of a lever 24, a middle portion of the lever 24 is hinged to a bracket 25, the other end of the lever 24 is hinged to a front end of the push-pull rod of the second push-pull electromagnet 23, the push-pull rod of the second push-pull electromagnet 23 retracts downward to drive one end of the lever 24 to move downward, so that the hammer 13 configured at the other end of the lever 24 is lifted up and hovered at a certain height to maintain gravitational potential energy, when automatic triggering is required, the station control room sends a starting signal circuit to be connected, the push-pull rod of the second push-pull electromagnet 23 moves upward to drive the hammer 13 to move downward to impact the top rod 10, so as to drive the striker 11 to impact the sealing glass 4, the conduction of the air vent 3 is realized. The middle part of the lever 24 is hinged with the bracket 25 through a safety pin 26, one end of the safety pin 26 is fixedly connected with one end of the steel wire rope 22, the safety pin 26 is separated by manually pulling the steel wire rope 22, so that the lever 24 and the hammer 13 move downwards under the action of gravity, the hammer 13 impacts the ejector rod 10, the striker 11 is driven to impact the sealing glass 4, the air guide hole 3 is communicated, and manual triggering is realized. Because the nitrogen fire extinguishing system is usually arranged in the heating furnace area, once an emergency occurs, the whole heating furnace area is in a high-risk area and cannot be accessed by personnel. The trigger point can be located in an area remote from the furnace to ensure the personal safety of the manually triggered personnel in an emergency.
Preferably, in the present embodiment, a pressing cover 14 for pressing the sealing glass 4 against the bottom of the sealing groove 2 is provided in the sealing groove 2, the gland 14 comprises a top plate and a lower cylinder body, the top end of the lower cylinder body is fixedly connected with the top plate in an integrated manner, the top plate is provided with a hole communicated with the inner cavity of the lower barrel body, the firing pin 11 is arranged in the hole and the inner cavity of the lower barrel body, the top plate is detachably and fixedly connected with the top of the base 1 through a screw, the lower cylinder is arranged in the sealing groove 2, and the periphery wall of barrel with sealing connection between the inner wall of seal groove 2 down, the bottom of barrel supports to press down on sealing glass 4, and the setting of gland 14 can ensure that sealing glass 4 can closely laminate at the tank bottom of seal groove 2, improves the leakproofness of sealing glass 4 gas guide hole 3, avoids the leakage of nitrogen gas. Further, the bottom of barrel with all be equipped with sealing washer 15 between the sealed glass 4 and between sealed glass 4 and the tank bottom of seal groove 2 down, the setting of sealing washer 15 can further ensure sealed glass 4 to the sealed closing cap of air guide hole 3, avoids the leakage of nitrogen gas.
In the present embodiment, since the second push-pull type electromagnet 23 has a sufficient strength to bring the hammer 13 into collision with the striker 31 when it is released upward, the compression spring 32 may not be provided, as shown in fig. 2. However, if the strength of the sealing glass 4 is high, in order to ensure that the impact strength is sufficient, the strength of the impact of the hammer 13 on the impact seat 31 can also be increased by providing the compression spring 32, specifically, the hammer 13 includes a striking rod and a hammer body fixedly arranged at the bottom end of the striking rod, the top end of the striking rod is connected with the automatic trigger mechanism, the compression spring is sleeved on the striking rod, the bottom end of the compression spring 32 abuts against the upper surface of the hammer body, and the top end of the compression spring 32 abuts against the inner top wall of the trigger housing 12, so that the installation of the compression spring 32 is facilitated. The anti-falling cover 30 is arranged at the notch of the mounting groove 7, the top end of the collision seat 31 penetrates upwards and extends out of the anti-falling cover 30, and the anti-falling cover 30 can prevent the sealing glass 4 from being broken due to the fact that the collision seat, the top cover and the ejector rod shake.
EXAMPLE III
As shown in fig. 3, the present embodiment includes a base 1 having a bottom end for communicating with an outlet of the storage tank, a sealing groove 2 is disposed on the top end of the base 1, and an air vent 3 penetrating through the bottom end of the base 1 is disposed at the bottom of the sealing groove 2; the bottom of the sealing groove 2 is provided with sealing glass 4 for sealing and covering the air guide hole 3, the top of the base 1 is fixedly provided with an exhaust funnel 5, the top of the exhaust funnel 5 is provided with an end cover, the bottom end of the exhaust funnel 5 is communicated with the sealing groove 2, specifically, the periphery of the top of the base 1 is provided with external threads, the inner wall of the bottom end of the exhaust funnel 5 is provided with internal threads, the base 1 is in threaded connection with the exhaust funnel 5, so that the mounting and dismounting are convenient, and the side wall of the exhaust funnel 5 is provided with an exhaust hole 6; the top end cover of the exhaust funnel 5 is provided with a mounting groove 7, the bottom of the mounting groove 7 is provided with a connecting hole 8 communicated with the inner cavity of the exhaust funnel 5, a top cover 9 is arranged in the mounting groove 7 in a sliding manner, the bottom of the top cover 9 is fixedly connected with the top end of a top rod 10, the top of the top cover 9 is fixedly provided with a collision seat 31, the collision seat 31 protrudes upwards out of the mounting groove 7, the bottom end of the top rod 10 penetrates through the connecting hole 8 and then is connected with the top end of a collision pin 11, the bottom end of the collision pin 11 is arranged on the upper surface of the sealing glass 4, in order to guarantee a triggering effect, a scratch is prefabricated by using a glass cutter on the surface of the sealing glass 4, so that a damage effect is improved, a nitrogen channel is widened, and ventilation volume is guaranteed; the top end of the exhaust funnel 5 is fixedly connected with the bottom end of a trigger shell 12, a driving hammer 13 is arranged in the trigger shell 12, the driving hammer 13 is arranged vertically above a collision seat 31, a compression spring 32 is sleeved on the driving hammer 13, the bottom end of the compression spring 32 is connected with the lower end of the driving hammer 13, the bottom end of the compression spring 32 is abutted to the inner top wall of the trigger shell 12, the top end of the driving hammer 13 is connected with an automatic trigger mechanism used for lifting or releasing the driving hammer 13 upwards, specifically, a support frame 29 is fixedly arranged on the outer wall of the exhaust funnel 5 or the triggered outer wall through a hoop 28, the automatic trigger mechanism is fixedly arranged on the support frame 29, and is fixed on the outer wall of the exhaust funnel 5 or the triggered outer wall through the hoop 28, so that the whole installation is facilitated.
Preferably, in the present embodiment, a pressing cover 14 for pressing the sealing glass 4 against the bottom of the sealing groove 2 is provided in the sealing groove 2, the gland 14 comprises a top plate and a lower cylinder body, the top end of the lower cylinder body is fixedly connected with the top plate in an integrated manner, the top plate is provided with a hole communicated with the inner cavity of the lower barrel body, the firing pin 11 is arranged in the hole and the inner cavity of the lower barrel body, the top plate is detachably and fixedly connected with the top of the base 1 through a screw, the lower cylinder is arranged in the sealing groove 2, and the periphery wall of barrel with sealing connection between the inner wall of seal groove 2 down, the bottom of barrel supports to press down on sealing glass 4, and the setting of gland 14 can ensure that sealing glass 4 can closely laminate at the tank bottom of seal groove 2, improves the leakproofness of sealing glass 4 gas guide hole 3, avoids the leakage of nitrogen gas. Further, the bottom of barrel with all be equipped with sealing washer 15 between the sealed glass 4 and between sealed glass 4 and the tank bottom of seal groove 2 down, the setting of sealing washer 15 can further ensure sealed glass 4 to the sealed closing cap of air guide hole 3, avoids the leakage of nitrogen gas.
In this embodiment, a thread groove is formed at the bottom end of the ejector rod 10, an external thread is formed at the upper part of the firing pin 11, the upper part of the firing pin 11 is screwed in the thread groove, and the ejector rod 10 and the firing pin 11 are screwed, so that the installation is facilitated, and the protruding length of the firing pin 11 can be adjusted as required to ensure that the sealing glass 4 can be broken.
In this embodiment, the automatic trigger mechanism includes a third push-pull electromagnet 27, the top end of the hammer 13 extends upward out of the trigger casing 12 and then is hinged to one end of a lever 24, the middle part of the lever 24 is hinged to the bracket 25, and the front end of a push-pull rod of the third push-pull electromagnet 27 extends out and abuts against the other end of the lever 24. The push-pull rod of the third push-pull electromagnet 27 extends out to abut against one end of the lever 24, the hammer 13 connected with the other end of the lever 24 is lifted at the moment, the hammer is suspended at a certain height to keep gravitational potential energy, when automatic triggering is needed, the station control room sends out a starting signal to connect a circuit, the push-pull rod of the third push-pull electromagnet 27 is separated from the lever 24, the hammer 13 moves downwards to impact the ejector rod 10 under the action of the gravity of the hammer 13 and the elastic force of the compression spring 43, so that the striker 11 is driven to impact the sealed glass 4, and the air guide hole 3 is communicated. The tail end of the push-pull rod of the third push-pull electromagnet 27 is connected with one end of the steel wire rope 22, the tail end of the push-pull rod of the third push-pull electromagnet extends out, the push-pull rod can be driven to move backwards in a mode of pulling the tail end of the push rod, the push-pull rod is separated from the lever 24, and manual triggering is achieved. Because the nitrogen fire extinguishing system is usually arranged in the heating furnace area, once an emergency occurs, the whole heating furnace area is in a high-risk area and cannot be accessed by personnel. The trigger point can be located in an area remote from the furnace to ensure the personal safety of the manually triggered personnel in an emergency.
Preferably, in the present embodiment, a pressing cover 14 for pressing the sealing glass 4 against the bottom of the sealing groove 2 is provided in the sealing groove 2, the gland 14 comprises a top plate and a lower cylinder body, the top end of the lower cylinder body is fixedly connected with the top plate in an integrated manner, the top plate is provided with a hole communicated with the inner cavity of the lower barrel body, the firing pin 11 is arranged in the hole and the inner cavity of the lower barrel body, the top plate is detachably and fixedly connected with the top of the base 1 through a screw, the lower cylinder is arranged in the sealing groove 2, and the periphery wall of barrel with sealing connection between the inner wall of seal groove 2 down, the bottom of barrel supports to press down on sealing glass 4, and the setting of gland 14 can ensure that sealing glass 4 can closely laminate at the tank bottom of seal groove 2, improves the leakproofness of sealing glass 4 gas guide hole 3, avoids the leakage of nitrogen gas. Further, the bottom of barrel with all be equipped with sealing washer 15 between the sealed glass 4 and between sealed glass 4 and the tank bottom of seal groove 2 down, the setting of sealing washer 15 can further ensure sealed glass 4 to the sealed closing cap of air guide hole 3, avoids the leakage of nitrogen gas.
In this embodiment, the hammer 13 includes the drive rod and fixes and establishes the hammer block of drive rod bottom, the top of drive rod with automatic trigger mechanism connects, the compression spring cover is established on the drive rod, the bottom of compression spring 32 supports and presses the upper surface of hammer block, the top butt of compression spring 32 the interior roof of trigger shell 12 makes things convenient for compression spring 32's installation. The anti-falling cover 30 is arranged at the notch of the mounting groove 7, the top end of the collision seat 31 penetrates upwards and extends out of the anti-falling cover 30, and the anti-falling cover 30 can prevent the sealing glass 4 from being broken due to the fact that the collision seat, the top cover and the ejector rod shake.
The invention solves three safety hidden dangers of leakage hidden danger, manual valve blocking hidden danger and personal injury caused by automatic triggering failure emergency operation of the existing nitrogen fire extinguishing system, adopts various measures such as high-finish glass as a main sealing material and the like to ensure the tightness of the triggering device, can realize zero leakage and simultaneously realize remote control automatic triggering, reduces the labor intensity of workers and improves the triggering safety.
In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The zero-leakage nitrogen fire-extinguishing trigger device is characterized by comprising a base (1) with the bottom end communicated with an outlet of a storage tank, wherein a sealing groove (2) is formed in the top end of the base (1), and an air guide hole (3) penetrating through the bottom end of the base (1) is formed in the bottom of the sealing groove (2); the bottom of the sealing groove (2) is provided with sealing glass (4) for sealing and covering the air guide hole (3), the top of the base (1) is fixedly provided with an exhaust funnel (5) of which the top is provided with an end cover, the bottom end of the exhaust funnel (5) is communicated with the sealing groove (2), and the side wall of the exhaust funnel (5) is provided with an exhaust hole (6); an end cover at the top end of the exhaust funnel (5) is provided with a mounting groove (7), the bottom of the mounting groove (7) is provided with a connecting hole (8) communicated with the inner cavity of the exhaust funnel (5), a top cover (9) is slidably arranged in the mounting groove (7), the bottom of the top cover (9) is fixedly connected with the top end of a push rod (10), the top of the top cover (9) is fixedly provided with a collision seat (31), the collision seat (31) protrudes upwards out of the mounting groove (7), the bottom end of the push rod (10) penetrates through the connecting hole (8) and then is connected with the top end of a firing pin (11), and the bottom end of the firing pin (11) is arranged on the upper surface of the sealing glass (4); the top end of the exhaust funnel (5) is fixedly connected with the bottom end of a trigger shell (12), a hammer (13) is arranged in the trigger shell (12), the hammer (13) is arranged vertically above the collision seat (31), and the top end of the hammer (13) is connected with an automatic trigger mechanism used for lifting or releasing the hammer (13) upwards.
2. The zero-leakage nitrogen fire extinguishing trigger device according to claim 1, wherein a gland (14) for pressing the sealing glass (4) on the bottom of the sealing groove (2) is arranged in the sealing groove (2), the top of the gland (14) is detachably and fixedly connected with the top of the base (1), and the bottom end of the gland (14) is pressed on the sealing glass (4).
3. The zero-leakage nitrogen fire-extinguishing trigger device according to claim 2, characterized in that sealing rings (15) are arranged between the bottom end of the gland (14) and the sealing glass (4) and between the sealing glass (4) and the bottom of the sealing groove (2).
4. A zero-leakage nitrogen fire-extinguishing trigger device as claimed in claim 1, characterized in that the bottom end of the ejector rod (10) is provided with a threaded groove, the upper part of the firing pin (11) is provided with an external thread, and the upper part of the firing pin (11) is screwed in the threaded groove.
5. The zero-leakage nitrogen fire extinguishing trigger device according to any one of claims 1 to 4, wherein the automatic trigger mechanism comprises a first push-pull electromagnet (16), a locking cylinder (17) is arranged at the top end of the trigger housing (12), the locking cylinder (17) is communicated with the trigger housing (12), the top of the hammer (13) is arranged in the locking cylinder (17), a locking hole (18) is formed in the side wall of the top of the hammer (13), a through hole (19) is formed in the side wall of the locking cylinder (17), a locking pin (20) is arranged in the through hole (19), one end of the locking pin (20) is inserted into the locking hole (18), and the other end of the locking pin (20) is connected with the front end of a push-pull rod of the first push-pull electromagnet (16) through a connecting rod (21).
6. A zero-leakage nitrogen fire-extinguishing trigger device according to claim 5, characterized in that the tail end of the push-pull rod of the first push-pull electromagnet (16) is connected with one end of the steel wire rope (22).
7. A zero-leakage nitrogen fire-extinguishing trigger device according to any one of claims 1-4, wherein the automatic trigger mechanism comprises a second push-pull electromagnet (23), a push-pull rod of the second push-pull electromagnet (23) is vertically arranged, the top end of the hammer (13) extends upwards out of the trigger shell (12) and is hinged with one end of a lever (24), the middle part of the lever (24) is hinged with a bracket (25), and the other end of the lever (24) is hinged with the front end of the push-pull rod of the second push-pull electromagnet (23).
8. A zero-leakage nitrogen fire-extinguishing trigger device according to claim 7, characterized in that the middle of the lever (24) is hinged with the bracket (25) through a safety pin (26), and one end of the safety pin (26) is fixedly connected with one end of the steel wire rope (22).
9. A zero-leakage nitrogen fire-extinguishing trigger device according to any one of claims 1-4, wherein the automatic trigger mechanism comprises a third push-pull electromagnet (27), the top end of the hammer (13) extends upwards out of the trigger housing (12) and is hinged with one end of a lever (24), the middle part of the lever (24) is hinged with a bracket (25), and the front end of a push-pull rod of the third push-pull electromagnet (27) extends out and presses against the other end of the lever (24).
10. A zero-leakage nitrogen fire-extinguishing trigger device according to claim 9, characterized in that the tail end of the push-pull rod of the third push-pull electromagnet (27) is connected with one end of the steel wire rope (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210633433.5A CN115006767A (en) | 2022-06-06 | 2022-06-06 | Zero-leakage nitrogen fire extinguishing trigger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210633433.5A CN115006767A (en) | 2022-06-06 | 2022-06-06 | Zero-leakage nitrogen fire extinguishing trigger device |
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| CN115006767A true CN115006767A (en) | 2022-09-06 |
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| CN202210633433.5A Pending CN115006767A (en) | 2022-06-06 | 2022-06-06 | Zero-leakage nitrogen fire extinguishing trigger device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU46939U1 (en) * | 2005-03-21 | 2005-08-10 | Подкользин Геннадий Петрович | LOCKING AND STARTING DEVICE |
| KR100813077B1 (en) * | 2007-09-21 | 2008-03-14 | 주식회사 한화 | Heat responsive automatic actuator for aerosol fire extinguisher |
| CN202176803U (en) * | 2011-08-10 | 2012-03-28 | 河北博为电气有限公司 | Diaphragm sealing electromagnetic nitrogen injection valve |
| CN207266753U (en) * | 2017-08-31 | 2018-04-24 | 南通明月电器有限公司 | Direct current fire prevention feeds back electromagnet with action signal |
| CN110193927A (en) * | 2019-05-09 | 2019-09-03 | 南京理工大学 | A kind of firing pin type droplet ejection device of solenoid actuated |
-
2022
- 2022-06-06 CN CN202210633433.5A patent/CN115006767A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU46939U1 (en) * | 2005-03-21 | 2005-08-10 | Подкользин Геннадий Петрович | LOCKING AND STARTING DEVICE |
| KR100813077B1 (en) * | 2007-09-21 | 2008-03-14 | 주식회사 한화 | Heat responsive automatic actuator for aerosol fire extinguisher |
| CN202176803U (en) * | 2011-08-10 | 2012-03-28 | 河北博为电气有限公司 | Diaphragm sealing electromagnetic nitrogen injection valve |
| CN207266753U (en) * | 2017-08-31 | 2018-04-24 | 南通明月电器有限公司 | Direct current fire prevention feeds back electromagnet with action signal |
| CN110193927A (en) * | 2019-05-09 | 2019-09-03 | 南京理工大学 | A kind of firing pin type droplet ejection device of solenoid actuated |
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