CN115645782B - Automatic fire extinguishing system - Google Patents
Automatic fire extinguishing system Download PDFInfo
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- CN115645782B CN115645782B CN202211277371.5A CN202211277371A CN115645782B CN 115645782 B CN115645782 B CN 115645782B CN 202211277371 A CN202211277371 A CN 202211277371A CN 115645782 B CN115645782 B CN 115645782B
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- extinguishing agent
- liquid
- fire extinguishing
- box body
- agent box
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 284
- 239000007788 liquid Substances 0.000 claims abstract description 281
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 122
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 230000009172 bursting Effects 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 230000001154 acute effect Effects 0.000 claims abstract description 11
- 238000004880 explosion Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 6
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 6
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical group CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 47
- 229910001873 dinitrogen Inorganic materials 0.000 description 24
- 239000007789 gas Substances 0.000 description 22
- 238000005070 sampling Methods 0.000 description 14
- 239000000779 smoke Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical group FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention provides an automatic fire extinguishing system which comprises a fire extinguishing control unit, a high-pressure nitrogen starting bottle group unit, a nitrogen driving pipeline, a liquid fire extinguishing agent box unit, a liquid fire extinguishing agent conveying pipeline, a spray head and a pressure feedback signal device, wherein the spray head is connected with the pressure feedback signal device; the liquid fire extinguishing agent box unit comprises a liquid fire extinguishing agent box body, an air inlet adapter with a driving side opening bursting diaphragm, a liquid injection opening, a plug of the liquid injection opening and a liquid outlet adapter with an output side opening bursting diaphragm, wherein the air inlet adapter is arranged on the liquid fire extinguishing agent box body; at least one group of liquid fire extinguishing agent box bodies are transversely arranged in the liquid fire extinguishing agent box bodies between the air inlet conversion joint and the liquid outlet conversion joint: a vertical baffle plate with a strip-shaped air guide hole at the lower part, or/and an acute angle inclined plane air guide plate frame arranged on the bottom surface of the vertical baffle plate along the outflow direction of the liquid extinguishing agent. The automatic fire extinguishing system can release the liquid fire extinguishing agent into the fireproof area slowly and slowly, reduces the impact pressure on the electric components and avoids the secondary damage of the electric components.
Description
Technical Field
The invention belongs to the technical field of fire control, and particularly relates to an automatic fire extinguishing system.
Background
At present, various cabinets such as a power distribution cabinet, an instrument cabinet, a data cabinet, a power supply cabinet, an energy storage station, battery charging equipment and the like are widely applied everywhere in society, and the cabinets are in a high-temperature state in normal operation, so that the possibility of fire disaster is greatly increased; aiming at the prior art of the cabinet, a fire detection tube type fire extinguishing system is adopted to detect fire and automatically extinguish fire.
As shown in fig. 1 and 2, the schematic diagrams of the direct fire-detecting tube fire-extinguishing systems and the indirect fire-detecting tube fire-extinguishing systems in the prior art are respectively shown, and the two fire-detecting tube fire-extinguishing systems mainly comprise a fire extinguishing agent bottle group and a fire-detecting tube 7 connected with the fire-extinguishing agent bottle group; the fire detection pipe 7 is wound and fixed near electrical equipment in the cabinet, the fire detection pipe 7 is led out of the cabinet body of the cabinet, a one-way valve 9 and a pressure switch 8 for monitoring the pressure of nitrogen in the fire detection pipe 7 are arranged at the tail end of the fire detection pipe, and under normal conditions, nitrogen with certain pressure is filled in the fire detection pipe 7 in the system; the fire extinguishing agent bottle group comprises a fire extinguishing agent steel bottle 2 for storing fire extinguishing agent 1, a clamp 3, a container valve 4 or 4' and a pressure gauge 5, and the fire extinguishing agent bottle group is fixed on the outer side of a cabinet body 6. In addition, the indirect fire-detecting tube fire extinguishing system further comprises a fire extinguishing agent discharging tube 10 and a spray head 18 which are led out from the container valve 4'.
The fire detecting pipe 7 in the system is a plastic hose, when any part in the cabinet catches fire and the temperature of the part close to the fire reaches 150+/-10 ℃, the fire detecting pipe is burnt to release the pressure nitrogen, the pressure of the container valve 4 or 4 'is unbalanced, and the fire extinguishing agent sequentially comprises the steel bottle 2 and the container valve 4 or 4'; then the fire detecting pipe 7 and the break of the fire detecting pipe 7 are released (directly) into the cabinet to perform total submerged fire extinguishing, or the fire extinguishing agent releasing pipe 10 and the spray head 18 are released (indirectly) into the cabinet to perform total submerged fire extinguishing.
The cabinet is provided with a fire detection tube fire extinguishing device in the prior art, and the following problems exist: 1. the fire extinguishing efficiency of the fire detecting pipe is low, because the fire detecting pipe needs a certain time delay when being burnt by big fire; 2. the pressure nitrogen is released at the moment of the burning of the fire detection pipe, so that impact force can be generated on electronic components in the cabinet, and the electronic components are damaged, so that certain economic loss is caused.
Disclosure of Invention
In order to solve the problem that the explosion of a fire detection tube instantaneously releases nitrogen with high pressure, which causes damage to electronic components in a cabinet in the prior art, the invention provides an automatic fire extinguishing system with low pressure and smooth release of fire extinguishing agent, the automatic fire extinguishing system comprises a fire extinguishing control unit, a high-pressure nitrogen starting bottle group unit, a nitrogen driving pipeline, a liquid fire extinguishing agent box unit, a liquid fire extinguishing agent conveying pipeline, a spray head and a pressure feedback signal device, the pressure feedback signal device is arranged on the nitrogen driving pipeline, and the liquid fire extinguishing agent box unit comprises a liquid fire extinguishing agent box body, an air inlet conversion joint with a driving side opening explosion membrane, a liquid injection opening, a plug thereof and a liquid outlet conversion joint with an output side opening explosion membrane, wherein the air inlet conversion joint is arranged on the liquid fire extinguishing agent box body; the liquid extinguishing agent box body consists of an open cuboid shell and a cover plate welded with the open cuboid shell; the air inlet adapter is arranged at the left end of the liquid extinguishing agent box body, and the liquid outlet adapter is arranged at the right end of the liquid extinguishing agent box body; at least one group of liquid extinguishing agent box bodies are transversely arranged in the liquid extinguishing agent box bodies between the air inlet adapter and the liquid outlet adapter: a vertical baffle plate with a strip-shaped air guide hole at the lower part, or/and an acute angle inclined plane air guide plate frame arranged on the bottom surface of the vertical baffle plate along the outflow direction of the liquid extinguishing agent.
Preferably, in order to ensure that the pressure is lower and the fire extinguishing agent is released more gradually during automatic fire extinguishing, the bursting pressure of the driving side opening bursting disc is 0.6-0.8 MPa, and the bursting pressure of the output side opening bursting disc is 0.6-0.8 MPa.
Preferably, in order to ensure that the fire extinguishing agent is released more gently for extinguishing fire, the air inlet conversion joint is arranged in the middle of the left side of the left end face of the liquid fire extinguishing agent box body; the liquid outlet adapter is arranged at the right lower corner of the front end face of the liquid extinguishing agent box body, and the liquid injection port is arranged at the left end of the upper end face of the liquid extinguishing agent box body and staggered with the air inlet adapter.
Preferably, in order to ensure that the driving nitrogen gas smoothly enters the liquid extinguishing agent box body, the impact on the liquid extinguishing agent in the liquid extinguishing agent box body is reduced, the liquid extinguishing agent in the liquid extinguishing agent box body is extruded cleanly, the liquid extinguishing agent box body is internally provided with an air inlet pipe, a T-shaped air inlet nozzle and a hollow-out fixed support welded on the bottom surface of the liquid extinguishing agent box body, wherein one end of the air inlet pipe is communicated with the air inlet conversion joint, the other end of the air inlet pipe penetrates from the side wall of the fixed support and is communicated with the T-shaped air inlet nozzle fixed between the fixed support and the inner top surface of the liquid extinguishing agent box body.
Preferably, in order to monitor how much liquid fire extinguishing agent is stored in the liquid fire extinguishing agent box under normal conditions, the alarm is given in time when the liquid fire extinguishing agent box is lower than the warning liquid level, the liquid fire extinguishing agent box unit further comprises a female spring liquid level meter and a base welded on the inner bottom surface of the liquid fire extinguishing agent box body, wherein one end of the female spring liquid level meter is arranged at the right upper part of the upper end surface of the liquid fire extinguishing agent box body, and the other end of the female spring liquid level meter is fixed on the base.
Preferably, the liquid extinguishing agent is a perfluorinated hexanone extinguishing agent, a heptafluoropropane extinguishing agent, a foam extinguishing agent, or an aqueous film extinguishing agent.
Preferably, the working pressure of the liquid fire extinguishing agent box body is 2.5-5 MPa in consideration of factors such as impact on the liquid fire extinguishing agent box body when the high-pressure nitrogen gas starts the bottle group unit to drive the fire extinguishing agent in the liquid fire extinguishing agent box body to extinguish fire and more gradually release the liquid fire extinguishing agent in the liquid fire extinguishing agent box body.
Compared with the prior art, when the fire disaster occurs in a fire prevention area (such as a closed area of an underground oil depot, a cabinet and the like) of the automatic fire extinguishing system, the liquid fire extinguishing agent in the liquid fire extinguishing agent box body can be released smoothly and cleanly under the driving of nitrogen, so that the large pressure impact on electric components in the fire prevention area is greatly reduced, and the electric components in the fire prevention area are prevented from being damaged secondarily.
The invention provides an air-breathing type detection automatic fire extinguishing device which is quick in fire detection response and low in pressure and can release fire extinguishing agent slowly, and the air-breathing type detection automatic fire extinguishing device comprises an air-breathing type detector unit and an automatic fire extinguishing system which is controlled by the air-breathing type detector unit in a linkage mode, wherein the automatic fire extinguishing system comprises a fire extinguishing control unit, a high-pressure nitrogen starting bottle group unit, a nitrogen driving pipeline, a liquid fire extinguishing agent box unit, a liquid fire extinguishing agent conveying pipeline, a spray head and a pressure feedback signal device, the pressure feedback signal device is arranged on the nitrogen driving pipeline, and the liquid fire extinguishing agent box unit comprises a liquid fire extinguishing agent box body, an air inlet conversion joint with a driving side opening explosion membrane, a liquid injection port and a liquid outlet conversion joint with an output side opening explosion membrane, wherein the air inlet conversion joint is arranged on the liquid fire extinguishing agent box body; the liquid extinguishing agent box body consists of an open cuboid shell and a cover plate welded with the open cuboid shell; the air inlet adapter is arranged at the left end of the liquid extinguishing agent box body, and the liquid outlet adapter is arranged at the right end of the liquid extinguishing agent box body; at least one group of liquid fire extinguishing agent box bodies are transversely arranged in the liquid fire extinguishing agent box bodies between the air inlet conversion head and the liquid outlet conversion joint: a vertical baffle plate with a strip-shaped air guide hole at the lower part, or/and an acute angle inclined plane air guide plate frame arranged on the bottom surface of the vertical baffle plate along the outflow direction of the liquid extinguishing agent.
Preferably, for extremely early fire detection and fire suppression in a sprouted state, the air-breathing type detector unit is a smoke or/and gas or/and temperature type air-breathing type detector unit.
Preferably, in order to ensure that the pressure is lower and the fire extinguishing agent is released more gradually when the suction type detection automatic fire extinguishing device is used for extinguishing fire in the case of fire occurrence, the bursting pressure of the driving side opening bursting disc is 0.6-0.8 MPa, and the bursting pressure of the output side opening bursting disc is 0.6-0.8 MPa.
Preferentially, in order to ensure that the fire extinguishing agent is released more gradually from the liquid fire extinguishing agent box body to extinguish fire when a fire disaster occurs, the air inlet pipe conversion joint is arranged in the middle of the left side of the left end face of the liquid fire extinguishing agent box body; the liquid outlet adapter is arranged at the right lower corner of the front end face of the liquid extinguishing agent box body, and the liquid injection port is arranged at the left end of the upper end face of the liquid extinguishing agent box body and staggered with the air inlet adapter.
Preferentially, in order to ensure that the driving nitrogen gas smoothly enters the liquid extinguishing agent box body when a fire disaster occurs, the impact on the liquid extinguishing agent in the liquid extinguishing agent box body is reduced, the liquid extinguishing agent in the liquid extinguishing agent box body is extruded cleanly, the liquid extinguishing agent box body is internally provided with an air inlet pipe, a T-shaped air inlet nozzle and a hollow-out fixed support welded on the bottom surface of the liquid extinguishing agent box body, wherein one end of the air inlet pipe is communicated with the air inlet conversion joint, and the other end of the air inlet pipe penetrates from the side wall of the fixed support and is communicated with the T-shaped air inlet nozzle fixed between the fixed support and the inner top surface of the liquid extinguishing agent box body.
Preferentially, in order to monitor how much liquid fire extinguishing agent is stored in the liquid fire extinguishing agent box under normal conditions, in time alarm reminding is carried out once the liquid fire extinguishing agent box is lower than the warning liquid level, the liquid fire extinguishing agent box unit further comprises a female spring liquid level meter and a base welded on the inner bottom surface of the liquid fire extinguishing agent box body, wherein one end of the female spring liquid level meter is arranged at the right upper part of the upper end surface of the liquid fire extinguishing agent box body, and the other end of the female spring liquid level meter is fixed on the base.
Preferably, the liquid extinguishing agent is a perfluorinated hexanone extinguishing agent, a heptafluoropropane extinguishing agent, a foam extinguishing agent, or an aqueous film extinguishing agent.
Preferably, the working pressure of the liquid fire extinguishing agent box body is 2.5-5 MPa in consideration of factors such as impact on the liquid fire extinguishing agent box body when the high-pressure nitrogen gas starts the bottle group unit to drive the fire extinguishing agent in the liquid fire extinguishing agent box body to extinguish fire and more gradually release the liquid fire extinguishing agent in the liquid fire extinguishing agent box body.
Compared with the prior art, the invention has the following specific advantages:
1. sampling the fire in the enclosed fire-proof area (such as the enclosed areas of underground oil warehouse, cabinet, etc.) of the air-breathing detector unit of the invention can be detected very early in the initial stage.
2. When the fire disaster occurs in a closed fireproof area (such as a closed area of an underground oil depot, a cabinet and the like) of the automatic fire extinguishing system, the liquid fire extinguishing agent in the liquid fire extinguishing agent box body can be released smoothly and cleanly under the drive of nitrogen, so that the large pressure impact on electric components in the closed fireproof area is greatly reduced, and the electric or electronic components in the closed fireproof area are ensured not to be damaged secondarily.
In order to solve the problems of high pressure of nitrogen released at the moment of burning a fire detection tube of a cabinet and fire delay caused by damage of electronic components in the cabinet and detection of fire by the fire detection tube, the invention provides an embedded type air suction type detection automatic fire extinguishing plate which has quick fire detection response, low pressure and smooth release of fire extinguishing agent, and comprises an embedded type box body, a high-pressure nitrogen starting bottle group unit, a nitrogen driving pipeline, a liquid fire extinguishing agent box unit with the smooth release of the fire extinguishing agent under reduced pressure, a liquid fire extinguishing agent conveying pipeline, a pressure feedback signal device, a fire extinguishing control unit, a fire alarm host machine for detecting smoke or/and gas or/and temperature in a fire prevention area, a gas suction sampling pipeline, a direct current power supply unit, a storage battery unit, a system monitoring signal indicating unit, a display panel, a spray head unit, a system resetting and emergency stop operation unit, a gas suction sampling port, a system power socket, a system signal output unit and a system communication interface unit, which are arranged on the right end face of the embedded type box body, and a fire alarm host machine outlet which corresponds to the position on the front end face of the embedded type box body; the embedded box body is a flat cuboid shell, a high-pressure nitrogen starting bottle group unit is transversely arranged at the middle part in the longitudinal direction of the embedded box body, the liquid fire extinguishing agent box unit is transversely arranged at the rear side of the high-pressure nitrogen starting bottle group unit in the box body, and a storage battery unit, a direct-current power supply unit, a fire alarm host and a fire extinguishing control unit are sequentially arranged at the front side in the embedded box body from left to right; the nitrogen driving pipeline is communicated with the high-pressure nitrogen starting bottle group unit and the liquid fire extinguishing agent box unit, the pressure feedback signal device is arranged on the nitrogen driving pipeline, and the liquid fire extinguishing agent conveying pipeline is communicated with the liquid fire extinguishing agent box unit, the display panel and the spray heads of the spray head unit.
Preferentially, in order to ensure that the fire extinguishing agent is released more slowly when the fire is detected extremely early and the fire is automatically extinguished, the liquid fire extinguishing agent box unit comprises a liquid fire extinguishing agent box body, an air inlet conversion joint with a driving side opening explosion membrane, a liquid injection port, a plug thereof and a liquid outlet right angle conversion joint with an output side opening explosion membrane, wherein the air inlet conversion joint is arranged on the liquid fire extinguishing agent box body; the liquid extinguishing agent box body consists of an open cuboid shell and a cover plate welded with the open cuboid shell; the air inlet adapter is arranged at the left end of the liquid extinguishing agent box body, and the liquid outlet right-angle adapter is arranged at the right end of the liquid extinguishing agent box body; at least one group of liquid fire extinguishing agent box bodies are transversely arranged in the liquid fire extinguishing agent box bodies between the air inlet adapter and the liquid outlet right-angle adapter: a vertical baffle plate with a strip-shaped air guide hole at the lower part, or/and an acute angle inclined plane air guide plate frame arranged on the bottom surface of the vertical baffle plate along the outflow direction of the liquid extinguishing agent.
Preferably, in order to ensure that the fire extinguishing agent is released more slowly under lower pressure during the detection of the extremely early fire of the cabinet and the automatic fire extinguishing, the bursting pressure of the driving side opening bursting disc is 0.6-0.8 MPa, and the bursting pressure of the output side opening bursting disc is 0.6-0.8 MPa.
Preferentially, in order to ensure that the fire extinguishing agent is released more gently when the fire is detected extremely early and the fire is automatically extinguished, the air inlet adapter is arranged in the middle of the left side of the left end face of the liquid fire extinguishing agent box body; the liquid outlet right-angle adapter is arranged at the right lower corner of the front end face of the liquid extinguishing agent box body, and the liquid injection port is arranged at the left end of the upper end face of the liquid extinguishing agent box body and staggered with the air inlet adapter.
Preferentially, in order to ensure that nitrogen gas is driven to smoothly enter the liquid extinguishing agent box body when the cabinet is subjected to extremely early fire detection and fire extinguishing, the impact on the liquid extinguishing agent in the liquid extinguishing agent box body is reduced, the liquid extinguishing agent in the liquid extinguishing agent box body is extruded cleanly, an air inlet pipe, a T-shaped air inlet nozzle and a hollow-out fixed support welded on the bottom surface of the liquid extinguishing agent box body are further arranged in the liquid extinguishing agent box body, one end of the air inlet pipe is communicated with an air inlet conversion joint, and the other end of the air inlet pipe penetrates from the side wall of the fixed support and is communicated with the T-shaped air inlet nozzle fixed between the fixed support and the inner top surface of the liquid extinguishing agent box body.
Preferentially, in order to monitor how much liquid fire extinguishing agent is stored in the liquid fire extinguishing agent box under normal conditions, in time alarm reminding is carried out once the liquid fire extinguishing agent box is lower than the warning liquid level, the liquid fire extinguishing agent box unit further comprises a female spring liquid level meter and a base welded on the inner bottom surface of the liquid fire extinguishing agent box body, wherein one end of the female spring liquid level meter is arranged at the right upper part of the upper end surface of the liquid fire extinguishing agent box body, and the other end of the female spring liquid level meter is fixed on the base.
Preferably, the liquid extinguishing agent is a perfluorinated hexanone extinguishing agent, a heptafluoropropane extinguishing agent, a foam extinguishing agent, or an aqueous film extinguishing agent.
Preferably, the working pressure of the liquid fire extinguishing agent box body is 2.5-5 MPa in consideration of factors such as impact on the liquid fire extinguishing agent box body when the high-pressure nitrogen gas starts the bottle group unit to drive the fire extinguishing agent in the liquid fire extinguishing agent box body to extinguish fire and more gradually release the liquid fire extinguishing agent in the liquid fire extinguishing agent box body.
Compared with the prior art, the invention has the following specific advantages:
1. because the air suction type fire detection system of the embedded air suction type detection automatic fire extinguishing tray is utilized, the fire in the cabinet can be detected very early in the initial stage.
2. When the embedded air suction type detection automatic fire extinguishing tray is adopted to extinguish fire in a cabinet, the liquid fire extinguishing agent in the liquid fire extinguishing agent box body can be released smoothly and cleanly under the driving of nitrogen, so that the large pressure impact on components in the cabinet is greatly reduced, and the components in the cabinet are ensured not to be damaged secondarily.
3. The embedded air suction type detection automatic fire extinguishing disk can be conveniently installed in a cabinet, and can be flexibly configured according to the size of the cabinet.
Drawings
FIG. 1 is a schematic diagram of a direct fire tube fire suppression system;
FIG. 2 is a schematic diagram of an indirect fire tube fire suppression system;
FIG. 3 is a schematic diagram of an automatic fire extinguishing system according to the present invention;
FIG. 4 is a schematic view of the liquid extinguishing agent tank unit of FIG. 3;
FIG. 5 is a cross-sectional view of the liquid fire suppression agent tank unit of FIG. 4 taken along the outside;
FIG. 6 is a right side longitudinal cross-sectional view of the liquid fire suppression agent tank unit of FIG. 4;
FIG. 7 is a schematic view of the high pressure nitrogen start-up bottle unit of FIG. 3;
fig. 8 is a schematic structural diagram of an automatic fire extinguishing device with air suction type detection according to a second embodiment of the present invention;
fig. 9 is a schematic diagram of an internal structure of an open cover of an embedded air suction type detection automatic fire extinguishing tray according to a third embodiment of the present invention;
FIG. 9a is a schematic view of the left end face of the suction type detection automatic fire extinguishing plate of FIG. 9;
fig. 9b is a schematic view of the right end face of the suction type detecting automatic fire extinguishing plate in fig. 9.
Detailed Description
The invention provides an automatic fire extinguishing system, an air suction type detection automatic fire extinguishing device and an embedded air suction type detection automatic fire extinguishing disc by specific embodiments and with reference to the accompanying drawings.
Embodiment one:
as shown in fig. 3, 4, 5 and 6, a schematic diagram of an automatic fire extinguishing system is provided, and the system comprises a fire extinguishing control unit 13, a high-pressure nitrogen gas starting bottle group unit 14, a nitrogen gas driving pipeline 15, a liquid fire extinguishing agent tank unit 16, a liquid fire extinguishing agent conveying pipeline 17, a spray head 18 and a pressure feedback signal device, wherein the pressure feedback signal device is arranged on the nitrogen gas driving pipeline.
As shown in fig. 7, the high-pressure nitrogen gas start-up cylinder unit is schematically shown, and the high-pressure nitrogen gas start-up cylinder unit 14 includes an electromagnetically driven valve 14-1, a container valve 14-3, a pressure sensor 14-2 and a cylinder 14-4 for storing nitrogen gas.
The liquid extinguishing agent tank unit 16 comprises a liquid extinguishing agent tank body, an air inlet conversion joint 16-1 with a driving side opening bursting diaphragm 16-6, a liquid injection opening, a plug 16-4 and a liquid outlet conversion joint 16-5 with an output side opening bursting diaphragm 16-10, wherein the air inlet conversion joint 16-1 is arranged on the liquid extinguishing agent tank body; the liquid extinguishing agent box body consists of an open cuboid shell 16-2 and a cover plate 16-3 welded with the open cuboid shell; two groups of liquid extinguishing agent are transversely arranged in the body in sequence: a vertical partition plate with a strip-shaped air guide hole at the lower part and an acute angle inclined plane air guide plate frame 16-9 arranged on the inner bottom surface of the liquid extinguishing agent box body at the rear and along the outflow direction of the liquid extinguishing agent; of course, in this embodiment, at least one group of liquid fire extinguishing agent tank bodies may be transversely disposed in the tank body: a vertical partition plate with a strip-shaped air guide hole at the lower part and an acute angle inclined plane air guide plate frame 16-9 arranged on the inner bottom surface of the liquid extinguishing agent box body at the rear and along the outflow direction of the liquid extinguishing agent; the fire extinguishing agent tank body is internally and transversely provided with a vertical partition plate with a strip-shaped air guide hole at the lower part and an acute angle inclined plane air guide plate frame 16-9 arranged on the inner bottom surface of the liquid fire extinguishing agent tank body behind the vertical partition plate and along the outflow direction of the liquid fire extinguishing agent, or the vertical partition plate and the acute angle inclined plane air guide plate frame 16-9 are sequentially arranged on the inner bottom surface of the liquid fire extinguishing agent tank body at intervals and along the outflow direction of the liquid fire extinguishing agent, so long as the pressure and the time of releasing the fire extinguishing agent during fire extinguishing meet the fire extinguishing requirement of a fire prevention area and cannot cause impact damage to electrical equipment in the fire prevention area; can also be arranged on the inner bottom surface of the liquid extinguishing agent box body at intervals in sequence: a vertical baffle plate with a strip-shaped air vent at the lower part and a vertical baffle plate with a strip-shaped air vent at the upper part; or at least one acute angle inclined plane air guide plate frame 16-9 is arranged on the inner bottom surface of the liquid extinguishing agent box body along the outflow direction of the liquid extinguishing agent; or a vertical partition plate with a strip-shaped air guide hole at least at one lower part is arranged on the inner bottom surface of the liquid extinguishing agent box body. In order to ensure that the pressure is low and the fire extinguishing agent is released smoothly during automatic fire extinguishing, the bursting pressure of the driving side opening bursting disc is 0.6-0.8 MPa, and the bursting pressure of the output side opening bursting disc is 0.6-0.8 MPa.
In order to ensure that the fire extinguishing agent is released more gently for extinguishing, the air inlet conversion joint 16-1 is arranged at the left middle part of the left end face of the liquid fire extinguishing agent box body; the liquid outlet adapter 16-5 is arranged at the right lower corner of the front end face of the liquid extinguishing agent tank body, and the liquid injection port is arranged at the left end of the upper end face of the liquid extinguishing agent tank body and staggered with the air inlet adapter 16-1.
In order to ensure that the driving nitrogen gas smoothly enters the liquid extinguishing agent box body and reduce the impact on the liquid extinguishing agent in the liquid extinguishing agent box body, the liquid extinguishing agent in the liquid extinguishing agent box body is extruded cleanly, an air inlet pipe 16-7, a T-shaped air inlet nozzle and a hollowed-out fixed support 16-8 welded on the bottom surface of the liquid extinguishing agent box body are also arranged in the liquid extinguishing agent box body, wherein one end of the air inlet pipe 16-7 is communicated with the air inlet conversion joint 16-6, the other end of the air inlet pipe penetrates from the side wall of the fixed support 16-8 and is communicated with the T-shaped air inlet nozzle fixed between the fixed support and the inner top surface of the liquid extinguishing agent box body (the top surface of the T-shaped air inlet nozzle is propped against the inner top surface of the liquid extinguishing agent box body, and a plurality of grooves are formed in a circle along the radial direction on the top surface of the T-shaped air inlet nozzle, so as to reduce the pressure of the nitrogen gas and ensure that the liquid extinguishing agent is completely extruded and discharged from one side of the inner top surface of the box body through the nitrogen gas. The fixing support 16-8 is a sleeve with arch holes at the upper and lower ends, wherein the arch holes are perpendicular to each other in axis, namely, the hollow fixing support.
In order to monitor how much liquid fire extinguishing agent is stored in the liquid fire extinguishing agent box under normal conditions, the alarm prompt is given in time once the liquid fire extinguishing agent box is lower than the warning liquid level, the liquid fire extinguishing agent box unit further comprises a female spring liquid level meter 26 and a base welded on the inner bottom surface of the liquid fire extinguishing agent box body, one end of the female spring liquid level meter is arranged at the right upper part of the upper end surface of the liquid fire extinguishing agent box body, and the other end of the female spring liquid level meter is fixed on the base.
The liquid extinguishing agent in this embodiment is a perfluoro-hexanone extinguishing agent, a heptafluoropropane extinguishing agent, a foam extinguishing agent, or a water film extinguishing agent, etc.
In the embodiment, the factors such as impact on the liquid fire extinguishing agent box body when the high-pressure nitrogen starts the bottle group unit to drive the fire extinguishing agent in the liquid fire extinguishing agent box body to extinguish fire and release the liquid fire extinguishing agent in the liquid fire extinguishing agent box body more gently are considered, and the working pressure of the liquid fire extinguishing agent box body is appointed to be within the range of 2.5-5 MPa.
Embodiment two:
the embodiment is based on the first embodiment, mainly adds an air suction type detector unit 12, and the air suction type detector unit 12 includes a fire alarm host for sucking gas in a fireproof area to detect smoke or/and gas or/and temperature and a gas suction sampling pipeline thereof. The air suction type detector is 2 detector combinations for detection, namely 2 detectors for smoke detection, the 1 st detector for detecting low smoke degree (OBS is less than or equal to 0.8), the system performs pre-alarm once smoke particles are detected, and the system starts to extinguish fire once the 2 nd detector detects high-concentration smoke particles (OBS value is 0.8-2); the 2 detectors can be smoke detection and combustible gas detection, and the detector can perform pre-alarm once one of the detectors detects a signal; the smoke detector can be 2 detectors, namely smoke detection and temperature detection, wherein the temperature can be set with an alarm threshold (68 ℃, 86 ℃, 93 ℃ and 105 ℃) according to the actual site, the smoke detector can be set with an alarm threshold (OBS is less than or equal to 0.8,0.8-2, > or equal to 2) according to the actual site, one detector obtains a signal to perform pre-alarm, and the other detector starts a fire extinguishing system after obtaining the signal.
As shown in fig. 8, the structure of the automatic fire extinguishing device for detecting air suction provided by the invention is schematically shown, the device comprises an air suction detector unit 12, an automatic fire extinguishing system controlled by the air suction detector unit in a linkage way, a direct-current power supply unit and a storage battery unit, the automatic fire extinguishing system comprises a fire extinguishing control unit 13, a high-pressure nitrogen starting bottle group unit 14, a nitrogen driving pipeline 15, a liquid fire extinguishing agent tank unit 16, a liquid fire extinguishing agent conveying pipeline 17, a spray head 18 and a pressure feedback signal device, and the pressure feedback signal device is arranged on the nitrogen driving pipeline.
In order to solve the problems of damage to electronic components in a closed fireproof area (such as a cabinet) and fire delay of fire detection by a fire detection tube caused by high pressure of nitrogen released at the moment of fire detection tube burning in the prior art, the embodiment provides an air suction type detection automatic fire extinguishing device which has the advantages of quick fire detection response, low pressure and smooth and clean release of liquid extinguishing agent.
The working principle is as follows:
the air suction type detector unit 12 monitors and detects whether a fire disaster occurs in a closed fireproof area (such as a cabinet) in real time through a gas suction sampling pipeline, when the occurrence of the fire disaster in the area is monitored, a fire alarm signal is transmitted to the fire extinguishing control unit 13, the fire extinguishing control unit 13 outputs a signal, the electromagnetic driving valve of the bottle group unit 14 is started by energizing high-pressure nitrogen gas to open a container valve, the high-pressure nitrogen gas enters the liquid fire extinguishing agent box unit 16 through the nitrogen gas driving pipeline 15, the high-pressure nitrogen gas breaks through a driving side opening blasting diaphragm of the high-pressure nitrogen gas, the high-pressure nitrogen gas enters the liquid fire extinguishing agent box body, meanwhile breaks through an output opening side blasting diaphragm of the high-pressure nitrogen gas, and the liquid fire extinguishing agent stored in the liquid fire extinguishing agent box body is sprayed to the spray head 18 through the liquid fire extinguishing agent conveying pipeline 17 under the driving of the high-pressure nitrogen gas, so that the whole submerged fire extinguishing in the closed fireproof area is performed.
Of course, the automatic fire extinguishing apparatus with air suction type detection provided by the embodiment can also be applied to non-closed fireproof area places.
Embodiment III:
in order to solve the problems of damage to electronic components in a cabinet and fire delay caused by the fact that the fire detection tube of the cabinet is burned and instantaneously releases nitrogen gas in the prior art, the embodiment provides an embedded air suction type detection automatic fire extinguishing disk which is rapid in fire detection response and low in pressure and releases fire extinguishing agent gently. The technical scheme of the embodiment is designed into a specific embedded type air suction type detection automatic fire extinguishing disk based on the embodiment II, and the automatic fire extinguishing disk comprises an air suction type detector unit, an automatic fire extinguishing system controlled by the air suction type detector unit in a linkage manner, a direct current power supply unit and a storage battery unit; the suction type detector unit comprises a fire alarm main machine 12-1 for sucking gas in a fireproof area to detect smoke or/and gas or/and temperature and a gas suction sampling pipeline 12-2 thereof.
As shown in fig. 9, the automatic fire extinguishing tray comprises an embedded box body 20, a high-pressure nitrogen starting bottle group unit 14, a nitrogen driving pipeline, a liquid fire extinguishing agent box unit 16, a fire extinguishing control unit 13, a fire alarm main unit 12-1, a gas suction sampling pipeline 12-2, a liquid fire extinguishing agent conveying pipeline, a pressure feedback signal device 21, a direct current power supply unit 29 and a storage battery unit 30, wherein a system monitoring signal indicating unit, a display panel, a spray head unit and a system resetting and emergency stopping operation unit are sequentially arranged on the left end surface of the embedded box body from left to right, a gas suction sampling pipeline sampling port 12-3, a system power socket 32, a system signal output unit and a system communication interface unit are sequentially arranged on the right end surface of the embedded box body from left to right, and a gas discharge port is arranged on the front end surface of the embedded box body and corresponds to the fire alarm main unit 12-1; the gas suction sampling pipe is connected to the gas suction sampling pipe sampling port 12-3 (the sampling port 12-3 may be externally connected to a winding sampling pipe disposed in the cabinet). The embedded box body is a flat cuboid shell, a high-pressure nitrogen starting bottle group unit is transversely arranged at the middle part in the longitudinal direction of the embedded box body, the liquid fire extinguishing agent box unit is transversely arranged at the rear side of the high-pressure nitrogen starting bottle group unit in the embedded box body, and a storage battery unit, a direct-current power supply unit, a fire alarm host 12-1 and a fire extinguishing control unit are sequentially arranged at the front side in the embedded box body from left to right.
The fire extinguishing control unit 13 is configured to receive a fire alarm signal output by the fire alarm host, and then energize the high-pressure nitrogen to start the electromagnetic driving valve 14-1 of the bottle group unit 14, so that the container valve 14-3 is opened to release nitrogen. The direct current power supply unit is used for supplying direct current power to the fire extinguishing control unit, the fire alarm host 12-1 and the storage battery unit. The storage battery unit is an emergency standby power supply.
The system monitoring signal indicating unit comprises a fire alarm flash lamp 33, a system power supply indicating lamp, a fire extinguishing agent spraying indicating lamp, a fire alarm indicating lamp, a fire extinguishing stopping indicating lamp and the like, the display panel and nozzle unit comprises a liquid crystal indicating panel 34, an operating key and a liquid fire extinguishing agent nozzle 18', and the system resetting and emergency stopping operating unit comprises a system resetting button and an emergency stopping button.
The system signal output unit comprises a fire alarm signal output port and a blowout signal output port, and the system communication interface unit comprises a system communication R485 interface and a LINK interface.
As shown in fig. 3, 4 and 9, the container valve and the air inlet conversion joint are connected through a nitrogen driving pipeline and a tee joint 22, and a third side of the tee joint is provided with a pressure feedback signal device 21; the liquid outlet adapter (for saving space of the fire-extinguishing disk, the liquid outlet adapter adopts a right angle shape) is connected to the liquid fire-extinguishing agent nozzle 18' through a liquid fire-extinguishing agent conveying pipeline 17; the fire alarm host 12-1 is electrically connected with the fire extinguishing control unit and outputs a fire alarm signal and a fault signal; the fire extinguishing control unit is electrically connected with the high-pressure nitrogen starting bottle group unit and controls the electromagnetic driving valve; the fire extinguishing control unit is electrically connected with the pressure feedback signal device 21 and monitors the pressure of the air inlet of the liquid extinguishing agent tank unit.
The fire extinguishing control unit outputs a fire extinguishing agent spraying signal and a fire extinguishing stopping signal, and is respectively and electrically connected with a fire extinguishing agent spraying indicator lamp and a fire extinguishing stopping indicator lamp in the system monitoring signal indicating unit, and the fire alarm host 12-1 outputs a fire alarm signal and a system power supply state signal, and is respectively and electrically connected with a fire alarm flash lamp 33, a system power supply indicator lamp and a fire alarm indicator lamp. The system reset button is respectively and electrically connected with the fire extinguishing control unit and the fire alarm host, and the emergency stop button is electrically connected with the fire extinguishing control unit.
The fire alarm signal output port is electrically connected with the fire alarm host 12-1, the fire extinguishing control unit is electrically connected with the spraying signal output port, and the system communication R485 interface and the LINK interface are respectively electrically connected with the fire extinguishing control unit.
The working principle is as follows:
when the embedded air suction type detection automatic fire extinguishing disk is installed in the cabinet in normal operation, the fire alarm host 12-1 starts to continuously suck gas in the cabinet to detect and judge smoke or/and gas or/and temperature in the gas, and once the fire in the cabinet starts to occur, the fire alarm host 12-1 can quickly identify smoke or/and gas or/and temperature parameters in the sucked gas and confirm whether the fire happens or not; if the fire is confirmed, a fire alarm signal is sent to the fire extinguishing control unit 13, and meanwhile, the fire alarm flashing lights 33 are driven to act; after a time delay (0-30 s), the fire extinguishing control unit 13 starts the electromagnetic drive valve 14-1 to open the container valve 14-3, high-pressure nitrogen flows from the nitrogen steel bottle 14-4, the container valve 14-3, the nitrogen drive pipeline and the tee joint 22 to the air inlet conversion joint to break the explosion membrane at the drive side opening, so that the liquid fire extinguishing agent is stored in the drive box body in the liquid fire extinguishing agent box body to the liquid outlet conversion joint to break the explosion membrane at the output side opening, and then the fire extinguishing agent is released into the cabinet by the spray head 18', so that the fire extinguishing agent is completely submerged. In the process of extruding the liquid extinguishing agent box body from the air inlet adapter by nitrogen to store the liquid extinguishing agent and flowing out from the liquid outlet adapter, the vertical partition plate and/or the air guide plate frame with the strip-shaped air guide holes are arranged at the lower part in the middle of the liquid extinguishing agent box body, so that high-pressure nitrogen is introduced into the liquid extinguishing agent box body from front to back from the T-shaped air inlet nozzle to the liquid outlet adapter: the liquid extinguishing agent is driven to flow out in a wave or curve mode, so that the efficiency of extruding the liquid extinguishing agent by nitrogen is greatly improved, and meanwhile, the spraying pressure of the liquid extinguishing agent is reduced.
While the present invention has been described in terms of a closed fire protection zone, it should be understood that the invention is also directed to: 1) a T-shaped air inlet nozzle is propped against the inner top surface of the liquid extinguishing agent box body, 2) a vertical baffle plate with a strip-shaped air guide hole is arranged at the lower part in the transverse direction in the liquid extinguishing agent box body, 3) an acute angle inclined plane air guide plate frame is arranged on the inner transverse bottom surface of the liquid extinguishing agent box body and along the outflow direction of the liquid extinguishing agent, 4) the T-shaped air inlet nozzle and a liquid outlet adapter inlet are arranged in a staggered manner up and down and left and right in the liquid extinguishing agent box body; the function is as follows: the high-pressure nitrogen is introduced into the liquid extinguishing agent box body from front to back from the T-shaped air inlet nozzle to the liquid outlet adapter: driving the liquid extinguishing agent to flow out in a wave or curve mode to extinguish fire; the effect is that: the impact of high-pressure nitrogen on electrical equipment elements in the fireproof area is relieved; those skilled in the art can make variations or modifications to the present invention without departing from the spirit and scope of the present invention, and it should be understood that the present invention is not limited to the above-described embodiments.
Claims (7)
1. The automatic fire extinguishing system is characterized by comprising a fire extinguishing control unit, a high-pressure nitrogen starting bottle group unit, a nitrogen driving pipeline, a liquid fire extinguishing agent box unit, a liquid fire extinguishing agent conveying pipeline, a spray head and a pressure feedback signal device, wherein the pressure feedback signal device is arranged on the nitrogen driving pipeline, and the liquid fire extinguishing agent box unit comprises a liquid fire extinguishing agent box body, an air inlet conversion connector with a driving side opening explosion membrane, a liquid injection port, a plug thereof and a liquid outlet conversion connector with an output side opening explosion membrane, wherein the air inlet conversion connector with the driving side opening explosion membrane is arranged on the liquid fire extinguishing agent box body; the liquid extinguishing agent box body consists of an open cuboid shell and a cover plate welded with the open cuboid shell; the air inlet adapter is arranged at the left end of the liquid extinguishing agent box body, and the liquid outlet adapter is arranged at the right end of the liquid extinguishing agent box body; at least one group of liquid fire extinguishing agent box bodies are transversely arranged in the liquid fire extinguishing agent box bodies between the air inlet conversion joint and the liquid outlet conversion joint: a vertical baffle plate with a strip-shaped air guide hole at the lower part, and an acute angle inclined plane air guide plate frame arranged on the bottom surface of the vertical baffle plate along the outflow direction of the liquid extinguishing agent; the air inlet adapter is arranged in the middle of the left side of the left end face of the liquid extinguishing agent box body; the liquid outlet adapter is arranged at the right lower corner of the front end face of the liquid extinguishing agent box body, and the liquid injection port is arranged at the left end of the upper end face of the liquid extinguishing agent box body and is staggered with the air inlet adapter; an air inlet pipe, a T-shaped air inlet nozzle and a hollowed-out fixed bracket welded on the bottom surface of the liquid extinguishing agent box body are further arranged in the liquid extinguishing agent box body, wherein one end of the air inlet pipe is communicated with the air inlet conversion joint, and the other end of the air inlet pipe penetrates from the side wall of the fixed bracket and is communicated with the T-shaped air inlet nozzle fixed between the fixed bracket and the inner top surface of the liquid extinguishing agent box body; the top surface of the T-shaped air inlet nozzle is propped against the inner top surface of the liquid extinguishing agent box body, and a plurality of grooves are formed in the periphery of the top surface of the T-shaped air inlet nozzle along the radial direction.
2. The automatic fire extinguishing system according to claim 1, wherein the bursting pressure of the driving side port bursting disc is 0.6MPa to 0.8MPa, and the bursting pressure of the output side port bursting disc is 0.6MPa to 0.8MPa.
3. The automatic fire extinguishing system according to claim 1 or 2, wherein the liquid fire extinguishing agent tank unit further comprises a female spring level gauge and a base welded on the inner bottom surface of the liquid fire extinguishing agent tank body, wherein one end of the female spring level gauge is arranged at the upper right part of the upper end surface of the liquid fire extinguishing agent tank body, and the other end of the female spring level gauge is fixed on the base.
4. The automatic fire extinguishing system according to claim 1 or 2, wherein the liquid fire extinguishing agent is a perfluorinated hexanone fire extinguishing agent, a heptafluoropropane fire extinguishing agent, a foam fire extinguishing agent, or an aqueous film forming fire extinguishing agent.
5. A fire extinguishing system according to claim 3, wherein the liquid fire extinguishing agent is a perfluorinated hexanone fire extinguishing agent, a heptafluoropropane fire extinguishing agent, a foam fire extinguishing agent, or an aqueous film forming fire extinguishing agent.
6. The automatic fire extinguishing system of claim 4, wherein the liquid fire extinguishing agent tank has an operating pressure of 2.5MPa to 5MPa.
7. The automatic fire extinguishing system of claim 5, wherein the liquid fire extinguishing agent tank has an operating pressure of 2.5MPa to 5MPa.
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| CN202211277371.5A CN115645782B (en) | 2022-10-19 | 2022-10-19 | Automatic fire extinguishing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211277371.5A CN115645782B (en) | 2022-10-19 | 2022-10-19 | Automatic fire extinguishing system |
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| CN115645782B true CN115645782B (en) | 2023-12-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210448182U (en) * | 2019-07-25 | 2020-05-05 | 浙江力高泵业科技有限公司 | Oil-liquid separation device for machining cutting fluid |
| CN212882470U (en) * | 2020-08-06 | 2021-04-06 | 云南星泉科技有限公司 | Natural pigment's environment-friendly fixing agent preparation facilities |
| WO2021211018A1 (en) * | 2020-04-14 | 2021-10-21 | Геннадий Николаевич КУПРИН | Cleaning up spills of liquefied natural gas using a hybrid foam |
| CN217526164U (en) * | 2022-01-19 | 2022-10-04 | 意安天航消防设备(天津)有限公司 | Embedded intelligent fire extinguishing device |
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- 2022-10-19 CN CN202211277371.5A patent/CN115645782B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210448182U (en) * | 2019-07-25 | 2020-05-05 | 浙江力高泵业科技有限公司 | Oil-liquid separation device for machining cutting fluid |
| WO2021211018A1 (en) * | 2020-04-14 | 2021-10-21 | Геннадий Николаевич КУПРИН | Cleaning up spills of liquefied natural gas using a hybrid foam |
| CN212882470U (en) * | 2020-08-06 | 2021-04-06 | 云南星泉科技有限公司 | Natural pigment's environment-friendly fixing agent preparation facilities |
| CN217526164U (en) * | 2022-01-19 | 2022-10-04 | 意安天航消防设备(天津)有限公司 | Embedded intelligent fire extinguishing device |
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Denomination of invention: An automatic fire extinguishing system Granted publication date: 20231222 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN BOKANG ELECTRONICS Co.,Ltd. Registration number: Y2024980008418 |