CN107355581A - Rigid fireproof box - Google Patents
Rigid fireproof box Download PDFInfo
- Publication number
- CN107355581A CN107355581A CN201610929739.XA CN201610929739A CN107355581A CN 107355581 A CN107355581 A CN 107355581A CN 201610929739 A CN201610929739 A CN 201610929739A CN 107355581 A CN107355581 A CN 107355581A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- wire
- insulation board
- calcium
- high temperature
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000011229 interlayer Substances 0.000 claims abstract description 30
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 239000010935 stainless steel Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 36
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 28
- 239000011575 calcium Substances 0.000 claims description 28
- 229910052791 calcium Inorganic materials 0.000 claims description 28
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 26
- 239000010425 asbestos Substances 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 26
- 229910052895 riebeckite Inorganic materials 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000003319 supportive effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/065—Physical fire-barriers having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
Abstract
The present invention relates to a kind of rigid fireproof box, mainly solves the problems, such as that security is poor in the prior art.The present invention is by using a kind of rigid fireproof box, including at least two sealing surfaces, chamber door is provided with least one sealing surface, flame retardant rubber sealing strip is set between adjacent sealing surface, each sealing surface is sandwich plate composition, the technical scheme that each sandwich plate is made up of upper stainless steel insulation board, resistance to burning high temperature resistance material interlayer, lower stainless steel insulation board preferably solves above mentioned problem, available in petrochemical equipment.
Description
Technical field
The present invention relates to a kind of rigid fireproof box.
Background technology
Currently the visual plant such as the valve actuator of petrochemical field, electric switch, agitator or device are not provided with fire
Safeguard procedures, when concrete on fire occurs for surrounding, these equipment or device are often among flame encirclement, lost within a very short time
Effect, it is unfavorable for controlling the intensity of a fire.
Currently, some installations and facilities are coated with fireproof coating, such as fire wall, tall and big steel construction, but fireproof coating
Coating quality is often difficult to meet requirement, coating shedding occurs in use, the problems such as fire resistance period is inadequate protrudes, and not
Suitable for the equipment with movable part, such as valve.
The U of patent CN 202442067 disclose a kind of wind power generating set flameproof enclosure, and it is mainly by engine class
Fire resistant coating of the topic surface coating with the certain viscosity and mode of fiber cloth reaches fireproof purpose in fire resistant coating.
Because the flameproof enclosure of the patent disclosure need to be adhered to body surface, therefore its application is very restricted.
From both at home and abroad it is more accident find out, occur concrete on fire, some valves because power line overcoat failure cause it is whole
Individual valve is out of hand, can not be actuated for process operation, causes the scene of a fire out of control.
The content of the invention
The technical problems to be solved by the invention are the problem of security are poor in the prior art, there is provided a kind of new rigidity
Fireproof box.The fireproof box has the advantages of security is preferable.
To solve the above problems, the technical solution adopted by the present invention is as follows：A kind of rigid fireproof box, including at least two is close
Front cover, chamber door is provided with least one sealing surface, flame retardant rubber sealing strip, each sealing surface are set between adjacent sealing surface
It is sandwich plate composition, each sandwich plate is by upper stainless steel insulation board, resistance to burning high temperature resistance material interlayer, lower stainless steel insulation board group
Into upper stainless steel insulation board is positioned at the top of resistance to burning high temperature resistance material interlayer, and lower stainless steel insulation board is positioned at resistance to burning high temperature resistance material
The bottom of feed collet layer, the resistance to burning high temperature resistance material interlayer include calcium/silicate fiber, asbestos, wire, high-temperature agglomerant,
Wire in interlayer provides support for asbestos and calcium/silicate fiber, asbestos layer configuration alternate with calcium/silicate fiber layer,
Each layer of thickness is 2-4mm, and asbestos layer and calcium/silicate fiber layer are worn and connected together by wire, forms one completely
Sandwich plate, high-temperature agglomerant are coated between asbestos layer and calcium/silicate fiber layer, form a complete interlayer.
In above-mentioned technical proposal, it is preferable that the thickness of stainless steel insulation board is 3-6mm.
In above-mentioned technical proposal, it is preferable that in the resistance to burning high temperature resistance material interlayer, the volume integral of calcium/silicate fiber
Number is 60-90%, and the volume fraction of asbestos is 20-30%.
In above-mentioned technical proposal, it is preferable that wire is iron wire or stainless steel wire, a diameter of 2-3mm of wire.
In above-mentioned technical proposal, it is preferable that lower stainless steel insulation board need to meet that anti-burn requires, should under fire endurance period effect
Sufficient rigidity and integrality are kept, should meet not burn at 1300 DEG C of 1093 DEG C of hydro carbons fire and jet bubble reactor, be indeformable and resistance to
By 2.9bar blast impulse, box interior temperature is no more than 50 DEG C；Sealing strip is set in crack at adjacent seal faces, it is in height
It can be expanded rapidly in the case of temperature so as to prevent flame from entering.
This patent provides a kind of heat-insulated resistance to burning safeguard measure of new critical component, according to the profile and work(of protected object
Can, make a physical barrier to measure, whole object is fully wrapped around, and normal operating and the detection dimension of the equipment are not influenceed
Shield, around it concrete on fire occurs plays a part of completely isolated flame and heat in setting time, by protection object
Normal start provides enough buffer time.According to the performance requirement of protected object, resistance to burning and it is thermally isolated the time and can be determined
System, fully meet the operating condition of the equipment under fire condition.This patent can effectively protect valve actuator, instrument, stirring
The Primary Components such as device when flame surrounds, in the given time can normal work, for realize technique fire extinguishing provide enough works
The industry time.This patent may be such that the influence for protecting object in ongoing operations from ambient weather situation, increase the service life, and carry
The reliability of high equipment.Achieve preferable technique effect.
Brief description of the drawings
Fig. 1 is the structural representation of sandwich plate of the present invention.
In Fig. 1, stainless steel insulation board on 1；2 resistance to burning high temperature resistance material interlayers；3 times stainless steel insulation boards.
Fig. 2 is the overall structure diagram of fireproof box
In Fig. 2,1 fireproof box tank wall；2 fire prevention chamber doors；Valve actuator in 3 fireproof boxes；The fastening of 4 fire prevention chamber doors
Part；Sealing gasket between 5 fireproof boxes and actuator stem；6 valve actuator bars.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Embodiment
【Embodiment 1】
A kind of rigid fireproof box, this patent fireproof box are the body structures of a closing, and box shape is cuboid, the case
Body is made up of 6 sealing surfaces, wherein being provided with chamber door at a sealing surface, sets flame retardant rubber to seal between adjacent sealing surface
Bar, it is easy to day normally open Inspection and maintenance.
Each sealing surface is sandwich plate composition, as shown in figure 1, each sandwich plate is by upper stainless steel insulation board (thickness
3mm), resistance to burning high temperature resistance material interlayer and lower stainless steel insulation board (thickness 3mm) composition.Resistance to burning high temperature resistance material interlayer includes
Calcium/silicate fiber (volume ratio 60%), asbestos (volume ratio 30%), wire, high-temperature agglomerant, the wire master in interlayer
Play a supportive role, provide support for asbestos and calcium/silicate fiber, wire uses iron wire, the diameter 2mm of wire.Stone
The configuration alternate with calcium/silicate fiber layer of cotton layer, each layer of thickness about 2mm.Wire is by asbestos layer and calcium/silicate fiber
Layer, which is worn, to connect together, and forms a complete sandwich plate.High-temperature agglomerant coated in asbestos layer and calcium/silicate fiber layer it
Between, secure the two together, form a complete interlayer.
Upper stainless steel insulation board can effectively prevent flame from being spread from casing extroversion box house, and the stainless steel insulation board needs
Meet that anti-burn requires, should keep sufficient rigidity and integrality under fire endurance period effect, set in the crack at adjacent seal faces
Sealing strip, it can be expanded rapidly so as to prevent flame from entering in the case of a high temperature.It is resistance to burn high temperature resistance material interlayer effect be every
Heat, heat transfer approach is cut off, prevent that external heat from importing box house in the given time, the temperature in guard box body is kept
Within the acceptable range.Material need to meet the requirement of resistance to burning and high temperature resistance used by the interlayer, under fire endurance period effect,
Effectively prevent heat transfer.The effect of lower stainless steel insulation board is rigid support, ensures that the casing effectively pastes with protected object
Close, and do not influence its regular event.In the given time, the structure and material should meet in hydro carbons fiery 1093 DEG C and jet bubble reactor
Do not burnt at 1300 DEG C, be indeformable, and being resistant to 3BAR blast impulse, box interior temperature is no more than 80 DEG C.
The thickness and size of the casing determine according to the performance of protection object.
To protect 5000m3Exemplified by the tank bottom pipeline valve of storage tank, illustrate the service condition of the rigid fireproof box.
The rigid fireproof box is arranged on the outside of protected valve actuator.Chamber door is set at the casing, is easy to out
Open check valve.The whole appearance and size of the valve is 800mm × 600mm × 600mm, therefore, the inside chi of designed casing
Very little is 900mm × 700mm × 700mm, ensures to leave enough activity spaces between casing and valve, in body side 300mm
Place sets 200mm × 200mm chamber door.Sealed between casing and connecting rod using fire-retardant sealing strip.
By the opening time of protected valve actuator is 10min, concrete on fire occurs around valve, valve is by oil plant
Or the flame of combustible gas surrounds, about 1093 DEG C of its peak flame temperature, if jet bubble reactor occurs around valve, flame temperature is high
Up to 1300 DEG C, valve periphery is in fire it may also happen that blast, design maximum blast impulse is 3bar, and therefore, this is rigidly anti-
The design protection time of fire cover is 40min, and time enough is reserved for the emergency disposal of fire fighter.Based on the guard time with
Fire Conditions, interlayer is from calcium/silicate fiber and the material of glass fiber, and based on anti-burning test experiments data, its thickness should not
Less than 100mm.
Bottom half sets opening with pipeline junction, ensures that the bar of valve actuator may pass through the bottom half.
【Embodiment 2】
According to the condition and step described in embodiment 1, fireproof box is the body structure of a closing, and box shape is ellipsoid
Shape, the casing are made up of two sealing surfaces, wherein being provided with chamber door at one, set flame retardant rubber close between adjacent sealing surface
Strip of paper used for sealing, it is easy to day normally open Inspection and maintenance.
Each sealing surface is that sandwich plate composition is as shown in figure 1, each sandwich plate is by upper stainless steel insulation board (thickness
6mm), resistance to burning high temperature resistance material interlayer and lower stainless steel insulation board (thickness 6mm) composition.Resistance to burning high temperature resistance material interlayer includes
Calcium/silicate fiber (volume ratio 70%), asbestos (volume ratio 20%), wire, high-temperature agglomerant, the wire master in interlayer
Play a supportive role, provide support for asbestos and calcium/silicate fiber, wire uses stainless steel wire, the diameter of wire
3mm.Asbestos layer configuration alternate with calcium/silicate fiber layer, each layer of thickness about 4mm.Wire is by asbestos layer and calcium/silicic acid
Salt fibrous layer, which is worn, to connect together, and forms a complete sandwich plate.High-temperature agglomerant is coated in asbestos layer and calcium/silicate fiber
Between layer, secure the two together, form a complete interlayer.
First according to the profile arrangement elliposoidal casing of protection object, the average departure of box inside distance protection object
From being 100mm, the space of the reserved actuator stem of bottom half, flame retardant rubber encapsulant is set between bar and casing.The case
The bottom of body is supported on valve, and executing agency can the free-running operation in the casing.The advantage of the casing is held for valve
Row mechanism provides the low temperature space under flame environment, protects all parts of executing agency, ensures executing agency in flame rings
There is the condition of operating under border, carry out being turned on and off valve according to the demand of fire fighter, cut off or transfer burning material, from
Assistance fire extinguishing is carried out in technique.
【Embodiment 3】
According to the condition and step described in embodiment 1, fireproof box is the body structure of a closing, and box shape is pros
Body, the casing are made up of 6 sealing surfaces, wherein being provided with chamber door at one, set flame retardant rubber close between adjacent sealing surface
Strip of paper used for sealing, it is easy to day normally open Inspection and maintenance.
Each sealing surface is sandwich plate composition, as shown in figure 1, each sandwich plate is by upper stainless steel insulation board (thickness
5mm), resistance to burning high temperature resistance material interlayer and lower stainless steel insulation board (thickness 5mm) composition.Resistance to burning high temperature resistance material interlayer includes
Calcium/silicate fiber (volume ratio 60%), asbestos (volume ratio 20%), wire, high-temperature agglomerant, the wire master in interlayer
Play a supportive role, provide support for asbestos and calcium/silicate fiber, wire uses stainless steel wire, the diameter of wire
2.5mm.Asbestos layer configuration alternate with calcium/silicate fiber layer, each layer of thickness about 3mm.Wire is by asbestos layer and calcium/silicon
Silicate fiber layer, which is worn, to connect together, and forms a complete sandwich plate.High-temperature agglomerant is fine with calcium/silicate coated in asbestos layer
Between tieing up layer, secure the two together, form a complete interlayer.
Rigid fireproof box volume is larger, and it has reserved enough activity spaces between valve actuator, and casing is held
Row mechanism provides the low temperature environment under flame condition, meets the environmental condition of valve actuator normal operation, exists for valve
Flame realizes that emergency start provides operating condition under the conditions of surrounding, and avoids executing agency and burns rear artificial trigger valve door not
Sharp condition, powerful guarantee is provided for fire fighting and rescue.
Obviously, this patent can effectively protect the Primary Components such as valve actuator, instrument, agitator when flame surrounds,
In the given time can normal work, for realize technique fire extinguishing provide enough activity durations.This patent may be such that protection pair
As, from the influence of ambient weather situation, increasing the service life in ongoing operations, the reliability of equipment is improved, security is good.
Achieve preferable technique effect.
Claims (5)
1. a kind of rigid fireproof box, including at least two sealing surfaces, chamber door, adjacent sealing are provided with least one sealing surface
Between face set flame retardant rubber sealing strip, each sealing surface be sandwich plate composition, each sandwich plate by upper stainless steel insulation board,
Resistance to burning high temperature resistance material interlayer, lower stainless steel insulation board composition, upper stainless steel insulation board is positioned at resistance to burning high temperature resistance material interlayer
Top, lower stainless steel insulation board positioned at the bottom of resistance to burning high temperature resistance material interlayer, the resistance to burning high temperature resistance material interlayer include calcium/
Silicate fiber, asbestos, wire, high-temperature agglomerant, the wire in interlayer provide branch for asbestos and calcium/silicate fiber
Frame, asbestos layer configuration alternate with calcium/silicate fiber layer, each layer of thickness are 2-4mm, and wire is by asbestos layer and calcium/silicon
Silicate fiber layer, which is worn, to connect together, and forms a complete sandwich plate, and high-temperature agglomerant is fine with calcium/silicate coated in asbestos layer
Between tieing up layer, a complete interlayer is formed.
2. rigid fireproof box according to claim 1, it is characterised in that the thickness of stainless steel insulation board is 3-6mm.
3. rigid fireproof box according to claim 1, it is characterised in that in the resistance to burning high temperature resistance material interlayer, calcium/silicic acid
The volume fraction of salt fiber is 60-90%, and the volume fraction of asbestos is 20-30%.
4. rigid fireproof box according to claim 1, it is characterised in that wire is iron wire or stainless steel wire, wire it is straight
Footpath is 2-3mm.
5. rigid fireproof box according to claim 1, it is characterised in that lower stainless steel insulation board need to meet that anti-burn requires, in fire
Sufficient rigidity and integrality should be kept under flame continuous action, should be met non-ignitable at 1300 DEG C of 1093 DEG C of hydro carbons fire and jet bubble reactor
Burn, be indeformable, and being resistant to 3bar blast impulse, box interior temperature is no more than 80 DEG C；Set in crack at adjacent seal faces
Sealing strip, it can be expanded rapidly so as to prevent flame from entering in the case of a high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929739.XA CN107355581B (en) | 2016-10-31 | 2016-10-31 | Rigid fireproof box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929739.XA CN107355581B (en) | 2016-10-31 | 2016-10-31 | Rigid fireproof box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107355581A true CN107355581A (en) | 2017-11-17 |
| CN107355581B CN107355581B (en) | 2023-06-30 |
Family
ID=60272034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610929739.XA Active CN107355581B (en) | 2016-10-31 | 2016-10-31 | Rigid fireproof box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107355581B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171567A (en) * | 2021-05-14 | 2021-07-27 | 湖南威耐斯新材料科技有限公司 | Flexible valve executor fire prevention cover |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1240507A (en) * | 1967-12-20 | 1971-07-28 | Basf Ag | Fire resisting doors having metallic outer layers |
| CN2401676Y (en) * | 1999-12-14 | 2000-10-18 | 韩魏 | Safe installed on wall |
| WO2003023175A1 (en) * | 2001-09-10 | 2003-03-20 | Bemofensterbau Gmbh | Fireproof profile component and method for production thereof |
| CN102454351A (en) * | 2010-10-22 | 2012-05-16 | 李宝龄 | Explosion-proof fireproof door |
| CN202353027U (en) * | 2011-11-24 | 2012-07-25 | 上海天逸电器有限公司 | Low-voltage power distribution control box with resistance to high temperature |
| WO2013078960A1 (en) * | 2011-11-28 | 2013-06-06 | Men Hongli | Fireproof waterproof storage box |
| CN103189588A (en) * | 2010-10-27 | 2013-07-03 | 博脉特（有限公司） | Watertight fire door and fire protection layer thereof |
-
2016
- 2016-10-31 CN CN201610929739.XA patent/CN107355581B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1240507A (en) * | 1967-12-20 | 1971-07-28 | Basf Ag | Fire resisting doors having metallic outer layers |
| CN2401676Y (en) * | 1999-12-14 | 2000-10-18 | 韩魏 | Safe installed on wall |
| WO2003023175A1 (en) * | 2001-09-10 | 2003-03-20 | Bemofensterbau Gmbh | Fireproof profile component and method for production thereof |
| CN102454351A (en) * | 2010-10-22 | 2012-05-16 | 李宝龄 | Explosion-proof fireproof door |
| CN103189588A (en) * | 2010-10-27 | 2013-07-03 | 博脉特（有限公司） | Watertight fire door and fire protection layer thereof |
| CN202353027U (en) * | 2011-11-24 | 2012-07-25 | 上海天逸电器有限公司 | Low-voltage power distribution control box with resistance to high temperature |
| WO2013078960A1 (en) * | 2011-11-28 | 2013-06-06 | Men Hongli | Fireproof waterproof storage box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171567A (en) * | 2021-05-14 | 2021-07-27 | 湖南威耐斯新材料科技有限公司 | Flexible valve executor fire prevention cover |
| CN113171567B (en) * | 2021-05-14 | 2022-06-07 | 湖南威耐斯新材料科技有限公司 | Flexible valve executor fire prevention cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107355581B (en) | 2023-06-30 |
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Effective date of registration: 20240307 Address after: No. 22, Chaoyangmen street, Chaoyang District, Beijing 100020 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: Sinopec Safety Engineering Research Institute Co.,Ltd. Patentee after: WENZHOU ANGONG MACHINERY SCIENCE AND TECHNOLOGY CO.,LTD. Address before: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: China Patentee before: SINOPEC Research Institute OF SAFETY ENGINEERING Patentee before: WENZHOU ANGONG MACHINERY SCIENCE AND TECHNOLOGY CO.,LTD. |