CN110067317A - One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening - Google Patents

One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening Download PDF

Info

Publication number
CN110067317A
CN110067317A CN201910342297.2A CN201910342297A CN110067317A CN 110067317 A CN110067317 A CN 110067317A CN 201910342297 A CN201910342297 A CN 201910342297A CN 110067317 A CN110067317 A CN 110067317A
Authority
CN
China
Prior art keywords
converter station
proof
valve hall
station valve
fortune
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910342297.2A
Other languages
Chinese (zh)
Inventor
钟波
张泽江
蒋亚强
张佳庆
朱辉
尹朝露
张天昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Institute Of Fire Protection Ministry Of Emergency Management
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Sichuan Fire Research Institute of Emergency Management Department
Original Assignee
Sichuan Institute Of Fire Protection Ministry Of Emergency Management
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Institute Of Fire Protection Ministry Of Emergency Management, Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd filed Critical Sichuan Institute Of Fire Protection Ministry Of Emergency Management
Priority to CN201910342297.2A priority Critical patent/CN110067317A/en
Publication of CN110067317A publication Critical patent/CN110067317A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • E04B1/941Building elements specially adapted therefor
    • E04B1/942Building elements specially adapted therefor slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • E04B1/945Load-supporting structures specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses one kind to prevent fires the fire-proof and explosion-proof plugging structure in wall opening in fortune converter station valve hall, solves the problems, such as the prior art to transport converter station valve hall firewall sealing hole structure fire performance undesirable and do not have explosion-proof performance.The present invention includes the composite fireproof plate being fixed in converter station valve hall fire prevention wall opening, is fixed on steel joist and bursting diaphragm outside converter station valve hall fire prevention wall opening room on face;It is fixed with angle steel on the hole inner wall of fortune converter station valve hall fire prevention wall opening, composite fireproof plate is affixed by bolt of long stem and angle steel;Steel joist both ends are mutually fixed by stock screw in face outside converter station valve hall firewall room of transporting, bursting diaphragm is covered on the appearance EDS maps of all steel joists, and mutually fixed by stock screw with steel joist, bursting diaphragm is plugged on the outdoor face of fortune converter station valve hall fire prevention wall opening.The configuration of the present invention is simple, design is scientific and reasonable, easy to use, and fire protecting performance is good, effect is good, and the capability of antidetonance is good, effect is good.

Description

One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening
Technical field
The present invention relates to one kind in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening.
Background technique
In order to guarantee that converter power transformer movement is convenient, converter power transformer is by the way of adjoining arrangement with valve hall, with valve The Room is separated by fire-proof plate, and board size of preventing fires is up to 7m × 7m.Such fireproof plugging structure does not consider detonation, once Explosive combustion accident occurs for converter power transformer, and fireproof plugging structure directly completely loses fire-proof function by explosive damage, causes Fire spread causes immeasurable economic loss, influences national economy normal operation to valve hall.Therefore, design studies go out one kind Prevent fires the fire-proof and explosion-proof plugging structure in wall opening in fortune converter station valve hall, make its on the basis of fireproof can also high-intensitive antiknock, it is right The safe and stable operation of State Grid's system, the good development of national economy, even national defense safety have great meaning.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof closure in wall opening It is undesirable and do not have anti-in fortune converter station valve hall firewall sealing hole structure fire performance to solve the prior art for structure The problem of quick-fried performance.
To achieve the above object, The technical solution adopted by the invention is as follows:
One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, including is fixed in fortune converter station valve hall The composite fireproof plate prevented fires in wall opening, several are equidistantly fixed on the outdoor face in fortune converter station valve hall fire prevention wall opening On steel joist and bursting diaphragm;It is described to be equidistantly fixed with a circle on the hole inner wall of fortune converter station valve hall fire prevention wall opening For installing the angle steel of the composite fireproof plate, the composite fireproof plate is fixed with all angle steel respectively by bolt of long stem Connection;The both ends of each steel joist pass through respectively stock screw with fortune converter station valve hall fire prevention wall opening two sides Face is mutually fixed outside fortune converter station valve hall firewall room, and the bursting diaphragm is covered on the appearance EDS maps of all steel joists, and It is mutually fixed by the stock screw with the steel joist, the bursting diaphragm is plugged in described in fortune converter station valve hall fire prevention wall hole On the outdoor face of mouth.
Further, the composite fireproof plate includes the lateral surface that PAROC plate and the fissure of displacement are covered on the PAROC plate On high-performance fire-resistant plate, the high-performance fire-resistant plate with a thickness of 30~50mm.
Further, the PAROC plate include with a thickness of 150mm fire prevention rock wool board and respectively be covered in it is described anti- Demagnetization stainless steel plate on the tow sides of fiery rock wool board and with a thickness of 0.5mm.
Further, all angle steel are fixed by screws in the hole in fortune converter station valve hall fire prevention wall opening On mouth inner wall, and all screws are all made of demagnetization stainless steel material and are made.
Further, all bolt of long stem and all stock screws are all made of demagnetization stainless steel material and are made.
Further, the bursting diaphragm is that 3~5mm thickness is thick using steel plate made of demagnetization stainless steel material or 9.5mm Resistant fiber plate bursting.
Further, all steel joists are all made of demagnetization stainless steel material and are made.
Further, the spacing between the adjacent steel joist is not more than 1m.
Further, the size of the steel joist is 150mm × 80mm × 8mm.
Compared with prior art, the invention has the following advantages:
The configuration of the present invention is simple, design is scientific and reasonable, easy to use, and fire protecting performance is good, effect is good, and the capability of antidetonance is good, imitates Fruit is good.
Composite fireproof plate is fixed in Yu Yun converter station valve hall fire prevention of the present invention wall opening, composite fireproof plate is solid by a circle It is mutually fixed due to the angle steel on fortune converter station valve hall fire prevention wall opening inner wall in fortune converter station valve hall fire prevention wall opening inner wall, Be firmly secured to composite fireproof plate can in fortune converter station valve hall fire prevention wall opening, stabilized structure, meanwhile, composite fireproof plate Including PAROC plate and with a thickness of 30~50mm, simultaneously the fissure of displacement is covered on the high-performance fire-resistant plate on PAROC plate lateral surface (as used Lu Yu emperor's gold fire-proof plate), PAROC plate then includes that the fire prevention rock wool board of 150mm thickness and pasting is being fixed on fire prevention rock wool board just 0.5mm thickness demagnetization stainless steel plate on anti-two sides, is designed in this way, and can make in fortune converter station valve hall firewall sealing hole structure Fire protecting performance greatly improve, flameproof effect is ideal.
The Yu Yun change of current of the present invention becomes on the outdoor face of fire prevention wall opening to be equidistantly fixed with from top to bottom by stock screw One row's steel joist, the long generous respectively 150mm × 80mm × 8mm of steel joist, the spacing of adjacent two steel joists are not more than 1m, together When, it is fixed with bursting diaphragm in the outer surface of steel joist, bursting diaphragm and steel joist pass through stock screw simultaneously and transporting Converter Station Valve Room firewall is mutually fixed, and bursting diaphragm is 3~5mm thickness using steel plate or the resistant fiber of 9.5mm thickness made of demagnetization stainless steel material Plate bursting is designed in this way, and can make have the very strong capability of antidetonance, antiknock effect in fortune converter station valve hall firewall sealing hole structure Fruit is good.
The demagnetization stainless steel plate with a thickness of 0.5mm is pasted on the tow sides of present invention fire prevention rock wool board respectively, it is described anti- Plate bursting is resistant fiber plate bursting of 3~5mm thickness using steel plate or 9.5mm thickness made of demagnetization stainless steel material, meanwhile, all spiral shells Nail, all bolt of long stem, all stock screws and all steel joists are all made of demagnetization stainless steel material and are made, and can effectively prevent electricity Magnetic vortex generates.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the positive elevational view of the present invention.
Fig. 3 is composite fireproof-plate structure schematic diagram of the present invention.
Fig. 4 is PAROC plate structural schematic diagram of the present invention.
Wherein, the corresponding title of appended drawing reference are as follows:
1- is anti-in fortune converter station valve hall firewall, 4- in fortune converter station valve hall fire prevention wall opening, 2- composite fireproof plate, 3- Plate bursting, 5- angle steel, 6- bolt of long stem, 7- steel joist, 8- stock screw, 9-PAROC plate, 10- high-performance fire-resistant plate, 91- fire prevention Rock wool board, 92- demagnetization stainless steel plate.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits In following embodiment.
As shown in Figs 1-4, one kind provided by the invention is transporting the converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, Structure is simple, design is scientific and reasonable, and easy to use, fire protecting performance is good, effect is good, and the capability of antidetonance is good, effect is good.The present invention includes The composite fireproof plate 2 being fixed in fortune converter station valve hall fire prevention wall opening 1, several be equidistantly fixed on it is described in fortune converter station Steel joist 7 and bursting diaphragm 4 on the outdoor face of valve hall fire prevention wall opening 1.
It is of the present invention to be equidistantly fixed with a circle for installing on the hole inner wall of fortune converter station valve hall fire prevention wall opening 1 The angle steel 5 of the composite fireproof plate 2, the composite fireproof plate 2 is fixed with all angle steel 5 respectively by bolt of long stem 6 to be connected Connect, all angle steel 5 be fixed by screws in it is described on the hole inner wall of fortune converter station valve hall fire prevention wall opening 1, and And all screws and all bolt of long stem 6 are all made of demagnetization stainless steel material and are made.The composite fireproof plate 2 includes PAROC plate 9 and the fissure of displacement are covered on the high-performance fire-resistant plate 10 on the lateral surface of the PAROC plate 9, the high-performance fire-resistant Plate 10 with a thickness of 30~50mm.The PAROC plate 9 includes the fire prevention rock wool board 91 with a thickness of 150mm and is respectively covered in On the tow sides of the fire prevention rock wool board 91 and with a thickness of the demagnetization stainless steel plate 92 of 0.5mm.The PAROC plate 9 uses The PAROC plate of PAROC company production, the high-performance fire-resistant plate 10 use Lu Yu emperor's gold fire-proof plate of 30-50mm thickness.
Composite fireproof plate is fixed in Yu Yun converter station valve hall fire prevention of the present invention wall opening, composite fireproof plate is solid by a circle It is mutually fixed due to the angle steel on fortune converter station valve hall fire prevention wall opening inner wall in fortune converter station valve hall fire prevention wall opening inner wall, Be firmly secured to composite fireproof plate can in fortune converter station valve hall fire prevention wall opening, stabilized structure, meanwhile, composite fireproof plate Including PAROC plate and with a thickness of 30~50mm, simultaneously the fissure of displacement is covered on the high-performance fire-resistant plate on PAROC plate lateral surface (using land Space emperor's gold fire-proof plate), PAROC plate and high-performance fire-resistant plate are to be formed by muti-piece respective plates by tongue and groove grafting, PAROC plate Then the fire prevention rock wool board and pasting including 150mm thickness is fixed on the 0.5mm thickness demagnetization on the tow sides for rock wool board of preventing fires Stainless steel plate is designed in this way, and can be made to greatly improve in the fire protecting performance of fortune converter station valve hall firewall sealing hole structure, be prevented Fiery effect is ideal.
All steel joists 7 of the present invention are all made of demagnetization stainless steel material and are made, the generous difference of length of the steel joist 7 For 150mm × 80mm × 8mm, the spacing between the adjacent steel joist 7 is not more than 1m, the both ends of each steel joist 7 Pass through stock screw 8 and transporting outside converter station valve hall firewall Room 3 in fortune converter station valve hall fire prevention 1 two sides of wall opening respectively Face is mutually fixed, and all stock screws 8 are all made of demagnetization stainless steel material and are made, and the bursting diaphragm 4 is covered on all described The appearance EDS maps of steel joist 7, and fixed by the stock screw 8 with 7 phase of steel joist, the bursting diaphragm 4 is plugged in It is described fortune converter station valve hall fire prevention wall opening 1 outdoor face on.The bursting diaphragm 4 is that 3~5mm thickness uses demagnetization stainless steel The resistant fiber plate bursting of steel plate made of expecting or 9.5mm thickness.
It is equidistantly solid from top to bottom by stock screw on the outdoor face of Yu Yun converter station valve hall fire prevention of the present invention wall opening Surely there is row's steel joist, steel joist long generous respectively 150mm × 80mm × 8mm, the spacing of adjacent two steel joists are not more than 1m, meanwhile, it is fixed with bursting diaphragm in the outer surface of steel joist, bursting diaphragm and steel joist pass through stock screw simultaneously and transporting the change of current Valve hall of standing firewall is mutually fixed, and bursting diaphragm is 3~5mm thickness using steel plate or the fibre of 9.5mm thickness made of demagnetization stainless steel material Antiknock plate is tieed up, is designed in this way, can make have the very strong capability of antidetonance in fortune converter station valve hall firewall sealing hole structure, resist Quick-fried effect is good.
The demagnetization stainless steel plate with a thickness of 0.5mm is pasted on the tow sides of present invention fire prevention rock wool board respectively, it is described anti- Plate bursting is resistant fiber plate bursting of 3~5mm thickness using steel plate or 9.5mm thickness made of demagnetization stainless steel material, meanwhile, all spiral shells Nail, all bolt of long stem, all stock screws and all steel joists are all made of demagnetization stainless steel material and are made, and can effectively prevent electricity Magnetic vortex generates.
Present inventive concept is marvellous, and structure is simple, and fire protecting performance is good, and the capability of antidetonance is strong, practical, is suitable for leading in this technology Widely popularize application in domain.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.

Claims (9)

1. a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, it is characterised in that: transported including being fixed on The composite fireproof plate (2) that converter station valve hall is prevented fires in wall opening (1), several be equidistantly fixed on it is described anti-in fortune converter station valve hall Steel joist (7) and bursting diaphragm (4) on the outdoor face at wall with flues hole (1);It is described to transport converter station valve hall fire prevention wall opening (1) circle is equidistantly fixed on hole inner wall for installing the angle steel (5) of the composite fireproof plate (2), the composite fire-proof Plate (2) is fixedly connected with all angle steel (5) respectively by bolt of long stem (6);The both ends of each steel joist (7) point Not Tong Guo stock screw (8) with fortune converter station valve hall prevent fires wall opening (1) two sides fortune converter station valve hall firewall (3) room Outside is mutually fixed, and the bursting diaphragm (4) is covered on the appearance EDS maps of all steel joists (7), and relies on the stock spiral shell Nail (8) is mutually fixed with the steel joist (7), and the bursting diaphragm (4) is plugged in described in fortune converter station valve hall fire prevention wall opening (1) Outdoor face on.
2. according to claim 1 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: the composite fireproof plate (2) includes that PAROC plate (9) and the fissure of displacement are covered on the lateral surface of the PAROC plate (9) High-performance fire-resistant plate (10), the high-performance fire-resistant plate (10) with a thickness of 30~50mm.
3. according to claim 2 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: the PAROC plate (9) includes the fire prevention rock wool board (91) with a thickness of 150mm and is respectively covered in the fire prevention rock wool Demagnetization stainless steel plate (92) on the tow sides of plate (91) and with a thickness of 0.5mm.
4. according to claim 3 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: all angle steel (5) are fixed by screws in the hole inner wall in fortune converter station valve hall fire prevention wall opening (1) On, and all screws are all made of demagnetization stainless steel material and are made.
5. according to claim 4 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: all bolt of long stem (6) and all stock screws (8) are all made of demagnetization stainless steel material and are made.
6. according to claim 5 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: the bursting diaphragm (4) is fiber antiknock of 3~5mm thickness using steel plate or 9.5mm thickness made of demagnetization stainless steel material Plate.
7. according to claim 6 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: all steel joists (7) are all made of demagnetization stainless steel material and are made.
8. according to claim 7 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: the spacing between the adjacent steel joist (7) is no more than 1m.
9. according to claim 8 a kind of in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening, feature Be: the size of the steel joist (7) is 150mm × 80mm × 8mm.
CN201910342297.2A 2019-04-26 2019-04-26 One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening Pending CN110067317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910342297.2A CN110067317A (en) 2019-04-26 2019-04-26 One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910342297.2A CN110067317A (en) 2019-04-26 2019-04-26 One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening

Publications (1)

Publication Number Publication Date
CN110067317A true CN110067317A (en) 2019-07-30

Family

ID=67369046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910342297.2A Pending CN110067317A (en) 2019-04-26 2019-04-26 One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening

Country Status (1)

Country Link
CN (1) CN110067317A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576647A (en) * 2020-05-08 2020-08-25 上海建工四建集团有限公司 Fireproof plugging device and plugging method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995010673A1 (en) * 1993-10-14 1995-04-20 Rockwool International A/S Fire wall construction
CN202347676U (en) * 2011-12-23 2012-07-25 山东万事达建筑钢品科技有限公司 Embedded connection insulation board with metal face and rock wool fire-resistant inner core
CN109162403A (en) * 2018-09-27 2019-01-08 公安部四川消防研究所 A kind of matrix pattern high strength anti-explosion plate and preparation method thereof
CN208650305U (en) * 2018-06-14 2019-03-26 天津大学建筑设计研究院 The fireproof construction of Concrete-Filled Square Steel Tube coupled column outsourcing doubling plate
CN109538834A (en) * 2019-01-28 2019-03-29 中国能源建设集团广东省电力设计研究院有限公司 The fire proof construction and proof assembl of converter transformer bushings
CN211007123U (en) * 2019-04-26 2020-07-14 应急管理部四川消防研究所 Fireproof and explosion-proof blocking structure for firewall opening of valve hall of operation converter station

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995010673A1 (en) * 1993-10-14 1995-04-20 Rockwool International A/S Fire wall construction
CN202347676U (en) * 2011-12-23 2012-07-25 山东万事达建筑钢品科技有限公司 Embedded connection insulation board with metal face and rock wool fire-resistant inner core
CN208650305U (en) * 2018-06-14 2019-03-26 天津大学建筑设计研究院 The fireproof construction of Concrete-Filled Square Steel Tube coupled column outsourcing doubling plate
CN109162403A (en) * 2018-09-27 2019-01-08 公安部四川消防研究所 A kind of matrix pattern high strength anti-explosion plate and preparation method thereof
CN109538834A (en) * 2019-01-28 2019-03-29 中国能源建设集团广东省电力设计研究院有限公司 The fire proof construction and proof assembl of converter transformer bushings
CN211007123U (en) * 2019-04-26 2020-07-14 应急管理部四川消防研究所 Fireproof and explosion-proof blocking structure for firewall opening of valve hall of operation converter station

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
肖资阳;舒平;贾书航;: "复龙换流站饱和保护异常情况分析", 四川电力技术, no. 04 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576647A (en) * 2020-05-08 2020-08-25 上海建工四建集团有限公司 Fireproof plugging device and plugging method thereof

Similar Documents

Publication Publication Date Title
CN110067317A (en) One kind is in the fortune converter station valve hall fire prevention fire-proof and explosion-proof plugging structure in wall opening
CN103939240B (en) The double-deck fuel gas transmission system of multiple spot air inlet dual fuel engine
CN204457839U (en) A kind of gas-solid two-phase jet flow initiatively back-fire relief explosion suppression device
CN201101837Y (en) Back-fire relief valve special for chlorine
CN211007123U (en) Fireproof and explosion-proof blocking structure for firewall opening of valve hall of operation converter station
CN203949575U (en) A kind of minor diameter rocket rear separates uses split priming adapter
CN207967901U (en) A kind of cable connector explosion-protection equipment
CN206669718U (en) A kind of burner and coal mill device for being punched circle combustion system station boiler
CN108346762A (en) A kind of fire-proof and explosion-proof battery pack of electric vehicle
CN104654321A (en) Bagasse burning boiler
CN2506295Y (en) Safety flame trap for oxygen mixing gas combustion
CN207080727U (en) A kind of attachment means of PFF insulating tubes
CN210739971U (en) Nitrogen displacement device for hydrogen pipeline
CN207437900U (en) A kind of datonation-inhibition fire extinguishing high speed pay-out valve
CN202666231U (en) Corrugated plate type flame arrester for gas intake of explosion-proof diesel engine
CN202248649U (en) Flame-retardant and fire-resistant isolation strip
CN207835030U (en) The detachable explosion-protection equipment of cable connector
CN202967745U (en) Fireproof paper tube
CN205964780U (en) Electric automatization spray set
CN204522060U (en) A kind of pompier's heat defence water spray protective device
CN201705385U (en) Methane gas diluter
CN203379535U (en) Metal fiber pipeline fire barrier
CN204691602U (en) A kind of self cooling labeled door
CN101254332B (en) Explosion prevention back-fire relief type separator for water and vapor
CN204678341U (en) A kind of glassware is mixed polishing rifle outward

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination