CN205457260U - Intelligence dangerization article fire and explosion protection safety cabinet system - Google Patents
Intelligence dangerization article fire and explosion protection safety cabinet system Download PDFInfo
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- CN205457260U CN205457260U CN201620170341.8U CN201620170341U CN205457260U CN 205457260 U CN205457260 U CN 205457260U CN 201620170341 U CN201620170341 U CN 201620170341U CN 205457260 U CN205457260 U CN 205457260U
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Abstract
The utility model discloses an intelligence dangerization article fire and explosion protection safety cabinet system, including monitoring host and a plurality of fire and explosion protection safety cabinet, every fire and explosion protection safety cabinet all links to each other with monitoring host, information transmission gives monitoring host in the cabinet that arrives real -time detection, the front of the cabinet body sets up left side door and right side door, all set up the self -closing device that is used for family of a general self -closing on this left side door and the right side door, the top of the cabinet body sets up the filter, the top of filter sets up the air exit, the air exit facial make -up has the fan, the lateral wall of the cabinet body is opened there is the air intake, the top of air intake sets up the air intake conflagration from the closing plate, should hang on cabinet body side wall through the high temperature fuse from the closing plate, set up the air exit self -closing device between air exit and the filter. The utility model discloses an intelligence dangerization article fire and explosion protection safety cabinet can utilize monitoring host to carry out online real time monitoring to many safety cabinets, has guaranteed the real -time control of humiture in hazardous gas concentration, the cabinet in the cabinet to can the control fan initiative air exhaust, guaranteed the safety in the cabinet.
Description
Technical field
This utility model relates to a kind of safety cabinet, particularly a kind of intelligence fire-proof and explosion-proof safety cabinet system of harmful influence.
Background technology
At present, flammable liquid, flammable liquid, corrosive liquids and harm product can volatilize during storing, its
The toxic and harmful evaporated can produce infringement to human body, and the mixing of different types of harmful gas easily causes fire
The serious accident such as calamity, blast.
Therefore dangerous materials can be stored in safety cabinet by people, and existing safety cabinet uses thicker cabinet material and good
Ventilating, rely on natural airflow to be discharged by toxic and harmful, this way can accomplish the storage harmful influence of temporarily safety,
And when causing danger, the steel plate of available thick material is hedged off from the outer world.But suffer from the drawback that 1) cannot be by
What harmful gas was safe actively discharges cabinet；2) situation in cabinet can not be sent in real time, including harmful gas
Humiture etc. in concentration, cabinet；3) when causing danger, safety cabinet can not accomplish active defense, can only be by duty
Personnel check, the safety of duty personnel exists high risk.
Utility model content
This utility model is solved the technical problem that to be to provide a kind of intelligence fire-proof and explosion-proof safety cabinet system of harmful influence.
The technical solution realizing this utility model purpose is: a kind of intelligence fire-proof and explosion-proof safety cabinet system of harmful influence, bag
Including monitoring host computer and some fire-proof and explosion-proof safety cabinets, each fire-proof and explosion-proof safety cabinet is all connected with monitoring host computer, will examine in real time
The cabinet internal information measured is transferred to monitoring host computer；
Described each fire-proof and explosion-proof safety cabinet all includes that cabinet, offside door, offside door, filter, blower fan, TVOC visit
Head, Temperature Humidity Sensor, self-closing device, controller, air inlet fire from closing plate and exhaust outlet self-closing device,
The front of cabinet arranges offside door and offside door, this offside door and offside door is respectively provided with for being automatically switched off by door
Self-closing device, the top of cabinet arranges filter, filter be provided above exhaust outlet, equipped with blower fan on exhaust outlet, cabinet
The sidewall of body has air inlet, air inlet be provided above air inlet fire from closing plate, should be hanged by high temperature fuse from closing plate
Hang on cabinet sidewall, when high temperature fuse failure, from closing plate, air inlet is shut；Arrange between exhaust outlet and filter
Exhaust outlet self-closing device；
Arrange in cabinet TVOC probe and Temperature Humidity Sensor, the sensor all with the controller phase being arranged on cabinet
Even, this controller is connected with blower fan, controls blower fan work, and this controller is connected with monitoring host computer, by detect simultaneously
Signal is transferred to monitoring host computer.
Compared with prior art, its remarkable advantage is this utility model: 1) intelligence harmful influence fire prevention of the present utility model is anti-
Quick-fried safety cabinet can utilize monitoring host computer that multiple stage safety cabinet is carried out on line real-time monitoring, it is ensured that dense to hazardous gas in cabinet
The real-time control of humiture in degree, cabinet, and blower fan actively air draft can be controlled, it is ensured that the safety in cabinet；2) each cabinet
Body all uses self-closing to enter exhaust outlet, enters exhaust outlet and is in normally open, burns near safety cabinet at laboratory fire, no
Opinion the most power-off all can be automatically switched off immediately, and after preventing laboratory fire from occurring, safe in-cabinet temperature raises and may cause
Harmful influence, poisonous substances burning and blast；3) use quiet brush DC explosion-proof fan, no-spark electrostatic, meet anti-
Quick-fried requirement, air quantity is adjustable, and maximum 700 cubic metres/h of exhaust air rate ＞, supporting air draft airduct has fire-retardant and acid-alkali-corrosive-resisting
Function；4) this utility model uses high sensitivity TVOC probe, and degree of accuracy is high, response is fast, stability is strong；5) originally
Utility model has controller and touches display screen, the information that high sensitivity TVOC probe and Temperature Humidity Sensor detect
Can be shown on a display screen by controller, and report to the police according to the threshold value set；Meanwhile, controller can actively control
Blower fan processed works, and VOC concentration in cabinet and humiture such as exceed the measured value instant alarming of setting and point out and start blower fan,
It is aerated preventing inflammable and corrosive gas gathering.
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is intelligence harmful influence fire-proof and explosion-proof safety cabinet cabinet body structure schematic diagram.
Fig. 2 is exhaust outlet self-closing device structural representation.
Detailed description of the invention
In conjunction with Fig. 1, a kind of intelligence fire-proof and explosion-proof safety cabinet system of harmful influence of the present utility model, if including monitoring host computer and
Dry fire-proof and explosion-proof safety cabinet, each fire-proof and explosion-proof safety cabinet is all connected with monitoring host computer, the cabinet internal information that will detect in real time
It is transferred to monitoring host computer；Monitoring host computer can grasp the state of each fire-proof and explosion-proof safety cabinet in real time, when finding certain cabinet
When potential safety hazard occurs, the personnel of arranging work can overhaul and safeguard timely, it is ensured that each safety cabinet normal
Work.
Described each fire-proof and explosion-proof safety cabinet all include cabinet 9, offside door 8, offside door 7, filter 4, blower fan 1,
TVOC probe, Temperature Humidity Sensor, self-closing device 15, controller, air inlet fire from closing plate 12 and exhaust outlet from
Close device,
The front of cabinet 9 arranges offside door 8 and offside door 7, and this offside door and offside door are respectively provided with for door is automatic
Close self-closing device, the top of cabinet 9 arranges filter 4, filter 4 be provided above exhaust outlet, on exhaust outlet
Equipped with blower fan 1, the sidewall of cabinet 9 has air inlet, air inlet be provided above air inlet fire from closing plate 12, should be from
Closing plate is suspended on cabinet sidewall by high temperature fuse 11, when high temperature fuse 11 fuses, is shut by air inlet from closing plate；
Exhaust outlet self-closing device is set between exhaust outlet and filter；When high temperature fuse 11 fuses, above-mentioned from closing plate at gravity
Effect under air inlet is shut；
Arrange in cabinet TVOC probe and Temperature Humidity Sensor, the sensor all with the controller phase being arranged on cabinet
Even, this controller is connected with blower fan 1, controls blower fan work, and this controller is connected with monitoring host computer simultaneously, will detect
Signal be transferred to monitoring host computer.Monitoring host computer can be believed with the humiture information in real-time reception to cabinet and dangerous materials concentration
Breath, when it is beyond the secure threshold set, monitoring host computer can send control instruction while reporting to the police and pass through controller
Control blower fan work, thus in time the hazardous gas in cabinet is discharged.At the same time, monitoring host computer also can receive outside
Control instruction is operated.This monitoring host computer can specifically include switch gate with the switch gate information of all cabinets of real time record
Time and the persistent period.
Also setting up touch display screen 6 on cabinet 9, this touch display screen 6 is connected with controller.This touch display screen 6 is not
Only can be with the relevant humiture information in display case, it is also possible to transmission control instruction, can be only by controller to controller
The vertical blower fan controlled in corresponding cabinet work.This touch display screen 6 can also the opening of all cabinets of real time record
Close the door information, specifically include time and the persistent period of switch gate.
Equipped with lock on cabinet 9.Lock on cabinet is preferably 3 blocking locks 14 of antistatic or electronic password lock.Antistatic
3 blocking locks 14 can open 180 degree, in case of fire can quick closedown prevent electrostatic from producing, effectively
Prevent fire and explosion accident that thunder and lightning and electrostatic spark cause.
Some laminate supports 10 are set in cabinet；Equipped with high intensity laminate on laminate support 10, its material is PP poly-third
Alkene laminate.By this high intensity laminate, significantly expand the use space in cabinet.The bearing capacity of this laminate is 200 kilograms,
Arranging skid-proof step on it, this laminate can effectively prevent laminate from occurring harmful influence container sliding because of Lack of support deformation fracture
Move, break the adverse consequences caused.Described filter 4 is HEPA filter.Described blower fan 1 is quiet brush DC
Explosion-proof fan.
The bottom of described cabinet 9 arranges locking universal wheel.It is easy to cabinet move.
The inwall of described cabinet 9 arranges fire-proof heat-insulating material.The peace of harmful influence in cabinet can be ensured fire occurs when
Entirely.
Described cabinet 9 is double-layer steel plate structure.The load bearing stength not only increasing cabinet also add its fire-proof and explosion-proof performance.
In conjunction with Fig. 2, exhaust outlet self-closing device include spring 16, guide rail 17, left fixture 18-1, right fixture 18-2,
Top board high temperature fuse 19 and top board 20, the quantity of described guide rail is two, and these two guide rails are arranged on the both sides of blower fan 1,
Arranging top board 20 on it, this top board can slide along guide rail 17, and the two ends of guide rail are respectively provided with the left side being fixed on cabinet
Fixture 18-1 and right fixture 18-2, is connected by top board high temperature fuse 19 between left fixture 18-1 and top board 20,
The other end of top board is connected with right fixture 18-2 by spring 16, and this spring is in extended state；When high temperature fuse 19
Time unblown, top board 20 does not hide exhaust outlet；When high temperature fuse 19 fuses, top board 20 in the pulling force lower slider of spring,
Finally hide exhaust outlet.
Air inlet fire arranges high-temperature expansion sealing strip from the surrounding of closing plate 12 with top board 20.Work as breaking out of fire, self-closing dress
When putting startup, high-temperature expansion sealing strip will all be shut between closing plate 12 and air inlet, simultaneously by top board by expansion
And shut completely between exhaust outlet, it is ensured that fully sealing of cabinet, it is achieved that the safety of storing dangerous product in cabinet.
Below in conjunction with embodiment, this utility model is done further detailed description.
Embodiment 1
A kind of intelligence fire-proof and explosion-proof safety cabinet system of harmful influence, including monitoring host computer and some fire-proof and explosion-proof safety cabinets, each
Fire-proof and explosion-proof safety cabinet is all connected with monitoring host computer, and the cabinet internal information detected in real time is transferred to monitoring host computer；
Described each fire-proof and explosion-proof safety cabinet all include cabinet 9, offside door 8, offside door 7, filter 4, blower fan 1,
TVOC probe, Temperature Humidity Sensor, self-closing device 15, controller, air inlet fire from closing plate 12 and exhaust outlet from
Close device,
The front of cabinet 9 arranges offside door 8 and offside door 7, and this offside door and offside door are respectively provided with for door is automatic
Close self-closing device, the top of cabinet 9 arranges filter 4, filter 4 be provided above exhaust outlet, on exhaust outlet
Equipped with blower fan 1, the sidewall of cabinet 9 has air inlet, air inlet be provided above air inlet fire from closing plate 12, should be from
Closing plate is suspended on cabinet sidewall by high temperature fuse 11, when high temperature fuse 11 fuses, is shut by air inlet from closing plate；
Exhaust outlet self-closing device is set between exhaust outlet and filter；
Arrange in cabinet TVOC probe and Temperature Humidity Sensor, the sensor all with the controller phase being arranged on cabinet
Even, this controller is connected with blower fan 1, controls blower fan work, and this controller is connected with monitoring host computer simultaneously, will detect
Signal be transferred to monitoring host computer.Also setting up touch display screen 6 on cabinet 9, this touch display screen 6 is connected with controller.
Lock on cabinet is 3 blocking locks of antistatic.The inwall of described cabinet 9 arranges fire-proof heat-insulating material.Described cabinet 9 is
Double-layer steel plate structure.Exhaust outlet self-closing device include spring 16, guide rail 17, left fixture 18-1, right fixture 18-2,
Top board high temperature fuse 19 and top board 20, the quantity of described guide rail is two, and these two guide rails are arranged on the both sides of blower fan 1,
Arranging top board 20 on it, this top board can slide along guide rail 17, and the two ends of guide rail are respectively provided with the left side being fixed on cabinet
Fixture 18-1 and right fixture 18-2, is connected by top board high temperature fuse 19 between left fixture 18-1 and top board 20,
The other end of top board is connected with right fixture 18-2 by spring 16, and this spring is in extended state；When high temperature fuse 19
Time unblown, top board 20 does not hide exhaust outlet；When high temperature fuse 19 fuses, top board 20 hides exhaust outlet.Air inlet
Fire arranges high-temperature expansion sealing strip from the surrounding of closing plate 12 with top board 20.
The intelligence fire-proof and explosion-proof safety cabinet of harmful influence of the present utility model can utilize monitoring host computer to carry out multiple stage safety cabinet
Line monitors in real time, it is ensured that to the real-time control of humiture in hazardous gas concentration, cabinet in cabinet, and can control blower fan actively
Air draft, it is ensured that the safety in cabinet.
Embodiment 2
A kind of intelligence fire-proof and explosion-proof safety cabinet system of harmful influence, including monitoring host computer and some fire-proof and explosion-proof safety cabinets, each
Fire-proof and explosion-proof safety cabinet is all connected with monitoring host computer, and the cabinet internal information detected in real time is transferred to monitoring host computer；
Described each fire-proof and explosion-proof safety cabinet all include cabinet 9, offside door 8, offside door 7, filter 4, blower fan 1,
TVOC probe, Temperature Humidity Sensor, self-closing device 15, controller, air inlet fire from closing plate 12 and exhaust outlet from
Close device,
The front of cabinet 9 arranges offside door 8 and offside door 7, and this offside door and offside door are respectively provided with for door is automatic
Close self-closing device, the top of cabinet 9 arranges filter 4, filter 4 be provided above exhaust outlet, on exhaust outlet
Equipped with blower fan 1, the sidewall of cabinet 9 has air inlet, air inlet be provided above air inlet fire from closing plate 12, should be from
Closing plate is suspended on cabinet sidewall by high temperature fuse 11, when high temperature fuse 11 fuses, is shut by air inlet from closing plate；
Exhaust outlet self-closing device is set between exhaust outlet and filter；
Arrange in cabinet TVOC probe and Temperature Humidity Sensor, the sensor all with the controller phase being arranged on cabinet
Even, this controller is connected with blower fan 1, controls blower fan work, and this controller is connected with monitoring host computer simultaneously, will detect
Signal be transferred to monitoring host computer.Also setting up touch display screen 6 on cabinet 9, this touch display screen 6 is connected with controller.
Lock on cabinet is electronic password lock.Some laminate supports 10 are set in cabinet；Equipped with high intensity layer on laminate support 10
Plate, its material is PP polypropylene laminate.The bottom of described cabinet 9 arranges locking universal wheel.The inwall of described cabinet 9
Fire-proof heat-insulating material is set.Described cabinet 9 is double-layer steel plate structure.
Exhaust outlet self-closing device includes spring 16, guide rail 17, left fixture 18-1, right fixture 18-2, top board high temperature
Fuse 19 and top board 20, the quantity of described guide rail is two, and these two guide rails are arranged on the both sides of blower fan 1, and it sets
Top set plate 20, this top board can slide along guide rail 17, and the two ends of guide rail are respectively provided with the left fixture being fixed on cabinet
18-1 and right fixture 18-2, is connected by top board high temperature fuse 19 between left fixture 18-1 and top board 20, top board
The other end be connected with right fixture 18-2 by spring 16, this spring is in extended state；When high temperature fuse 19 not
During fusing, top board 20 does not hide exhaust outlet；When high temperature fuse 19 fuses, top board 20 hides exhaust outlet.Air inlet fire
Calamity arranges high-temperature expansion sealing strip from the surrounding of closing plate 12 with top board 20.The clean thickness of cabinet body cavity is 38m insulated thermal insulating layer,
Cabinet 9 uses 1.2mm high-quality cold-rolled steel sheet, and cabinet 9 base uses 2.0mm high-quality cold-rolled steel sheet.
Each cabinet of the present utility model all uses self-closing to enter exhaust outlet, enters exhaust outlet and is in normally open, in experiment
Room fire burns near safety cabinet, and the most power-off all can be automatically switched off immediately, after preventing laboratory fire from occurring
Safe in-cabinet temperature raises harmful influence, poisonous substances burning and the blast that may cause.
Claims (10)
1. the fire-proof and explosion-proof safety cabinet system of intelligent harmful influence, it is characterised in that include monitoring host computer and some fire-proof and explosion-proof safety cabinets, each fire-proof and explosion-proof safety cabinet is all connected with monitoring host computer, and the cabinet internal information detected in real time is transferred to monitoring host computer；
Described each fire-proof and explosion-proof safety cabinet all includes that cabinet [9], offside door [8], offside door [7], filter [4], blower fan [1], TVOC probe, Temperature Humidity Sensor, self-closing device [15], controller, air inlet fire are from closing plate [12] and exhaust outlet self-closing device
The front of cabinet [9] arranges offside door [8] and offside door [7], the self-closing device for being automatically switched off by door it is respectively provided with on this offside door and offside door, the top of cabinet [9] arranges filter [4], filter [4] be provided above exhaust outlet, equipped with blower fan [1] on exhaust outlet, the sidewall of cabinet [9] has air inlet, air inlet be provided above air inlet fire from closing plate [12], should be suspended on cabinet sidewall by high temperature fuse [11] from closing plate, when high temperature fuse [11] fuses, from closing plate, air inlet is shut；Exhaust outlet self-closing device is set between exhaust outlet and filter；
TVOC probe and Temperature Humidity Sensor are set in cabinet, the sensor is all connected with the controller being arranged on cabinet, and this controller is connected with blower fan [1], controls blower fan work, this controller is connected with monitoring host computer simultaneously, and the signal detected is transferred to monitoring host computer.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1, it is characterised in that also setting up touch display screen [6] on cabinet [9], this touch display screen [6] is connected with controller.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1, it is characterised in that equipped with lock on cabinet [9].
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 3, it is characterised in that the lock on cabinet is 3 blocking locks [14] of antistatic or electronic password lock.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1, it is characterised in that some laminate supports [10] are set in cabinet；Equipped with high intensity laminate on laminate support [10], its material is PP polypropylene laminate.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1 and 2, it is characterised in that the bottom of described cabinet [9] arranges locking universal wheel.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1 and 2, it is characterised in that the inwall of described cabinet [9] arranges fire-proof heat-insulating material.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1 and 2, it is characterised in that described cabinet [9] is double-layer steel plate structure.
nullThe intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 1 and 2，It is characterized in that，Exhaust outlet self-closing device includes spring [16]、Guide rail [17]、Left fixture [18-1]、Right fixture [18-2]、Top board high temperature fuse [19] and top board [20]，The quantity of described guide rail is two，These two guide rails are arranged on the both sides of blower fan [1]，Top board [20] is set on it，This top board can slide along guide rail [17]，The two ends of guide rail are respectively provided with the left fixture [18-1] and right fixture [18-2] being fixed on cabinet，It is connected by top board high temperature fuse [19] between left fixture [18-1] with top board [20]，The other end of top board is connected with right fixture [18-2] by spring [16]，This spring is in extended state；When high temperature fuse [19] is unblown, top board [20] does not hide exhaust outlet；When high temperature fuse [19] fuses, top board [20] hides exhaust outlet.
The intelligence fire-proof and explosion-proof safety cabinet system of harmful influence the most according to claim 9, it is characterised in that air inlet fire arranges high-temperature expansion sealing strip from the surrounding of closing plate [12] Yu top board [20].
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620170341.8U CN205457260U (en) | 2016-03-04 | 2016-03-04 | Intelligence dangerization article fire and explosion protection safety cabinet system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620170341.8U CN205457260U (en) | 2016-03-04 | 2016-03-04 | Intelligence dangerization article fire and explosion protection safety cabinet system |
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| CN205457260U true CN205457260U (en) | 2016-08-17 |
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| CN201620170341.8U Active CN205457260U (en) | 2016-03-04 | 2016-03-04 | Intelligence dangerization article fire and explosion protection safety cabinet system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105595646A (en) * | 2016-03-04 | 2016-05-25 | 江苏埃德伯格电气有限公司 | Intelligent fireproof and explosion-proof safety cabinet system for hazardous chemical substances |
| CN108030284A (en) * | 2018-01-08 | 2018-05-15 | 上海西斯贝尔工业科技有限公司 | Self-closing fire safety cabinet |
| CN108729701A (en) * | 2018-06-20 | 2018-11-02 | 无锡华纳威尔金属制造有限公司 | A kind of explosion-proof warehouse |
| CN108758344A (en) * | 2018-05-31 | 2018-11-06 | 二工防爆科技股份有限公司 | A kind of exhaust apparatus for explosion-proof positive pressure cabinet |
| CN109106149A (en) * | 2018-10-06 | 2019-01-01 | 浏阳市湘赣新能源机械科技有限公司 | The explosion-proof sale case of multifunctional mobile fireworks and firecrackers |
| CN109157076A (en) * | 2018-11-01 | 2019-01-08 | 陕西方菱冷弯型钢股份有限公司 | A kind of pedestal of stereo storage rack |
| CN112627692A (en) * | 2020-12-15 | 2021-04-09 | 临澧县万顺烟花鞭炮有限责任公司 | Safety protection device for firework production |
| CN113097903A (en) * | 2021-04-23 | 2021-07-09 | 青岛腾宇电气设备工程有限公司 | Power distribution cabinet |
-
2016
- 2016-03-04 CN CN201620170341.8U patent/CN205457260U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105595646A (en) * | 2016-03-04 | 2016-05-25 | 江苏埃德伯格电气有限公司 | Intelligent fireproof and explosion-proof safety cabinet system for hazardous chemical substances |
| CN108030284A (en) * | 2018-01-08 | 2018-05-15 | 上海西斯贝尔工业科技有限公司 | Self-closing fire safety cabinet |
| CN108758344A (en) * | 2018-05-31 | 2018-11-06 | 二工防爆科技股份有限公司 | A kind of exhaust apparatus for explosion-proof positive pressure cabinet |
| CN108758344B (en) * | 2018-05-31 | 2020-03-27 | 二工防爆科技股份有限公司 | Exhaust device for explosion-proof positive pressure cabinet |
| CN108729701A (en) * | 2018-06-20 | 2018-11-02 | 无锡华纳威尔金属制造有限公司 | A kind of explosion-proof warehouse |
| CN109106149A (en) * | 2018-10-06 | 2019-01-01 | 浏阳市湘赣新能源机械科技有限公司 | The explosion-proof sale case of multifunctional mobile fireworks and firecrackers |
| CN109157076A (en) * | 2018-11-01 | 2019-01-08 | 陕西方菱冷弯型钢股份有限公司 | A kind of pedestal of stereo storage rack |
| CN112627692A (en) * | 2020-12-15 | 2021-04-09 | 临澧县万顺烟花鞭炮有限责任公司 | Safety protection device for firework production |
| CN113097903A (en) * | 2021-04-23 | 2021-07-09 | 青岛腾宇电气设备工程有限公司 | Power distribution cabinet |
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