CN206287596U - Anti- burning composite intermediate layer - Google Patents
Anti- burning composite intermediate layer Download PDFInfo
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- CN206287596U CN206287596U CN201621165101.5U CN201621165101U CN206287596U CN 206287596 U CN206287596 U CN 206287596U CN 201621165101 U CN201621165101 U CN 201621165101U CN 206287596 U CN206287596 U CN 206287596U
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- silicate fibre
- fabric
- intermediate layer
- thickness
- fire
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Abstract
The utility model is related to a kind of anti-burning composite intermediate layer, mainly solves the problems, such as that security is poor in the prior art.The utility model is by using a kind of anti-burning composite intermediate layer, the interlayer includes that the technical scheme of upper ca silicate fibre, aluminising fabric, lower ca silicate fibre, silica fabric and wire and high-temperature agglomerant preferably solves above mentioned problem, can be used in petrochemical equipment.
Description
Technical field
The utility model is related to a kind of anti-burning composite intermediate layer.
Background technology
The visual plants such as valve actuator, electric switch, the agitator of current petrochemical field or device are not provided with fire
Safeguard procedures, when around there is concrete on fire, these equipment or device are often to lose among flame encirclement, within a very short time
Effect, 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 use requirement, coating shedding occurs in use, protrudes the problems such as fire resistance period is inadequate, 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
The coating of topic surface has the fire resistant coating of certain viscosity and the mode of fiber cloth reaches fireproof purpose in fire resistant coating.
Because the flameproof enclosure of the patent disclosure need to stick to body surface, therefore its range of application is very restricted.
From both at home and abroad it is many accident find out, occur concrete on fire, some valves because power line overcoat failure cause it is whole
Individual valve is out of hand, it is impossible to be actuated for process operation, causes the scene of a fire out of control.
Utility model content
Technical problem to be solved in the utility model is the poor problem of security in the prior art, there is provided a kind of new
Anti- burning composite intermediate layer.The anti-burning composite intermediate layer has the preferable advantage of security.
To solve the above problems, the technical solution adopted in the utility model is as follows：A kind of anti-burning composite intermediate layer, its feature exists
Upper ca silicate fibre, aluminising fabric, lower ca silicate fibre, silica fabric and wire and height are provided with the interlayer
Warm binding agent, lower ca silicate fibre is located at aluminising fabric bottom, and lower ca silicate fibre top is upper ca silicate fibre, upper calcium silicates
Fiber top is silica fabric, and high-temperature agglomerant is bonded together between being coated in ca silicate fibre layer, and formation one is complete
Whole interlayer.
In above-mentioned technical proposal, it is preferable that the interlayer includes that thickness is 2- for the upper ca silicate fibre of 3-5mm, thickness
The multilayer aluminising fabric of 3mm, thickness are the lower ca silicate fibre of 300-500mm, thickness for 5-8mm silica fabric and
Wire and high-temperature agglomerant.
In above-mentioned technical proposal, it is preferable that a diameter of 2-3mm of wire.
In the application, wire in interlayer provides support frame for ca silicate fibre layer, and the material of wire is stainless
Steel, silica tissue layer needs resistance to burning, and integrality and stability, lower ca silicate fibre and aluminising are kept under fire endurance period effect
The effect of fabric is the rigidity for ensureing flameproof enclosure so that have the motion space of abundance between flameproof enclosure and protection object, and aluminising is knitted
Thing is to prevent heat from importing inside from the external world with the effect of upper ca silicate fibre, cuts off heat transfer approach.In the given time, it is described
Flameproof enclosure should meet hydro carbons fire 1093 DEG C and 1300 DEG C of jet bubble reactor at do not burn, it is indeformable, and tolerate 2.9bar blast punching
Hit, box interior temperature is no more than 50 DEG C.
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 do not influence the normal operating and detection of the equipment to tie up
Shield, around it concrete on fire occurs plays a part of completely isolated flame and heat in setting time, by protection object
Normal startup 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 meets the operating condition of the equipment under fire condition.This patent can effectively protect valve actuator, instrument, stirring
The Primary Components such as device, cable when flame is surrounded, in the given time can normal work, to realize that it is enough that technique fire extinguishing is provided
Activity duration.This patent may be such that protects object in ongoing operations from the influence of ambient weather situation, and extension uses the longevity
Life, improves the reliability of equipment.Can be protected using flameproof enclosure in irregular shape, long and narrow or in small space protection object
Shield, eliminates fire prevention dead angle, achieves preferable technique effect.
Brief description of the drawings
Fig. 1 is the structural representation of interlayer described in the utility model.
In Fig. 1,1 time ca silicate fibre；2 aluminising fabrics；Ca silicate fibre on 3；4 silica fabrics.
Fig. 2 is the appearance schematic diagram of flameproof enclosure described in the utility model.
In Fig. 2,1 flameproof enclosure overcoat；The fixed metal buckle of 2 flameproof enclosure adjacent surfaces；The movable protective face of 3 flameproof enclosures；4
Valve actuator in flameproof enclosure；The actuating strut of 5 valve actuators.
The utility model is further elaborated below by embodiment, but is not limited only to the present embodiment.
Specific embodiment
【Embodiment 1】
This patent flameproof enclosure is a flexible structure for closing, and its shape determines according to the shape of protected object.
The cover body is made up of multiple flexible sealing faces, and the junction of two neighboring sealing surface sews connection using wire,
Fire-resistant binder coating is covered with junction simultaneously, coating layer thickness 2mm sets multiple metal buckles in two adjacent seal faces,
The arrangement distance of adjacent buckle is 100mm, and it links together two sealing surfaces, and metal buckle uses stainless steel.
Each flexible sealing face of the flameproof enclosure is made up of multiple interlayers, and the primary structure of interlayer includes upper ca silicate fibre
(thickness 3mm), aluminising fabric (thickness 2mm), lower ca silicate fibre (thickness 300mm), silica fabric (thickness 5mm) and
Wire and high-temperature agglomerant.The effect of wire is that high-temperature agglomerant is coated in for ca silicate fibre layer provides support frame
It is bonded together between ca silicate fibre layer, forms a complete interlayer.
Silica tissue layer needs resistance to burning, and integrality and stability, lower ca silicate fibre are kept under fire endurance period effect
With the rigidity that the effect of aluminising fabric is guarantee flameproof enclosure so that there is the motion space of abundance between flameproof enclosure and protection object,
Aluminising fabric is to prevent heat from importing inside from the external world with the effect of upper ca silicate fibre, cuts off heat transfer approach.
The flexible structure can be fitted fully according to the profile of protected object, can use curve and curved surfaces, real
Existing flameproof enclosure is fitted completely with protected object.
In the given time, the flameproof enclosure should meet hydro carbons fire 1093 DEG C and 1300 DEG C of jet bubble reactor at do not burn, it is constant
Shape, and the blast impulse of 2.9bar is tolerated, box interior temperature is no more than 50 DEG C.The thickness and size of the casing are right according to protecting
The performance of elephant determines.
With 5000m3As a example by the tank bottom pipeline valve of storage tank, the service condition of the flameproof enclosure is illustrated.The flameproof enclosure needs to set
In the outside of valve actuator, executing agency is completely encapsulated in flameproof enclosure inner side.The whole appearance and size of the valve is
800mm × 600mm × 600mm, therefore, designed flameproof enclosure length is 900mm, and width is 700mm, forms a tubular fire prevention
Cover, the two ends of flameproof enclosure are provided with opening, are fastened using metal devices such as fastener, rivets, form annular seal space, and seam crossing is using special
Different diaphragm seal connection, it can expand at high temperature, reinforcing sealing.
By the opening time of protected valve actuator is 10min, there is concrete on fire around valve, valve is by oil plant
Or the flame of combustible gas is surrounded, about 1093 DEG C of its peak flame temperature, if there is jet bubble reactor around valve, flame temperature is high
Up to 1300 DEG C, valve periphery in fire it may also happen that blast, design maximum blast impulse is 3bar, therefore, this is rigidly anti-
The design protection time of fire cover is 40min, is that the emergency disposal of fire fighter reserves time enough.Based on the guard time with
Fire Conditions, interlayer burns test experiments data from ca silicate fibre and the material of glass fiber based on anti-, and its thickness should be not less than
100mm。
Based on the guard time, interlayer burns test experiments data from ca silicate fibre and the material of glass fiber based on anti-,
Its thickness should be not less than 100mm.
Because flameproof enclosure is connected using fastener, when current check is safeguarded, any one fastener can be easily opened,
Check that internal components, inspection can be closed easily after terminating, keep the sealing of flameproof enclosure.Bottom half sets with pipeline junction
Circular passage, it is ensured that pipeline where valve may pass through the casing.
【Embodiment 2】
According to condition and step described in embodiment 1, the cover body is made up of multiple flexible sealing faces, two neighboring sealing surface
Junction using wire sew connection, while being covered with fire-resistant binder coating, coating layer thickness 4mm, two phases in junction
Multiple metal buckles are set on adjacent sealing surface, and the arrangement distance of adjacent buckle is 200mm, and two sealing surfaces are connected to one by it
Rise, metal buckle uses stainless steel.
Each flexible sealing face of the flameproof enclosure is made up of multiple interlayers, and the primary structure of sandwich plate includes that upper calcium silicates is fine
Dimension (thickness 5mm), aluminising fabric (thickness 3mm), lower ca silicate fibre (thickness 500mm), silica fabric (thickness 8mm) with
And wire and high-temperature agglomerant.The effect of wire is for ca silicate fibre layer provides support frame, high-temperature agglomerant coating
It is bonded together between ca silicate fibre layer, forms a complete interlayer.
Fire prevention enclosure volume is larger, and flexibly, it has reserved enough activities to wall flexible relative between valve actuator
Space, casing provides the low temperature environment under flame condition to executing agency, meets the environment that valve actuator normally runs
Condition, for valve realizes that emergency start provides operating condition under the conditions of flame encirclement, it is to avoid descendant burns in executing agency
Work starts the unfavorable conditions of valve, for fire fighting and rescue provides powerful guarantee.
This patent can effectively protect the Primary Components such as valve actuator, instrument, agitator, cable when flame is surrounded,
In the given time can normal work, for realize technique fire extinguishing provide enough activity durations.This patent may be such that protection is right
, from the influence of ambient weather situation, increase the service life as in ongoing operations, improve the reliability of equipment.For shape not
Regular, long and narrow or in small space protection object can be protected using flameproof enclosure, eliminate fire prevention dead angle, achieve preferable skill
Art effect.
Claims (3)
1. a kind of anti-burning composite intermediate layer, it is characterised in that the interlayer is provided with ca silicate fibre, aluminising fabric, lower calcium silicates
Fiber, silica fabric and wire and high-temperature agglomerant, lower ca silicate fibre are located at aluminising fabric bottom, lower calcium silicates
Fiber top is upper ca silicate fibre, and upper ca silicate fibre top is silica fabric, and high-temperature agglomerant is coated in calcium silicates
It is bonded together between fibrage, forms a complete sandwich plate.
2. anti-burning composite intermediate layer according to claim 1, it is characterised in that the interlayer includes that thickness is the upper silicic acid of 3-5mm
Calcium fiber, thickness are the multilayer aluminising fabric of 2-3mm, thickness is the lower ca silicate fibre of 300-500mm, thickness is 5-8mm's
Silica fabric and wire and high-temperature agglomerant.
3. anti-burning composite intermediate layer according to claim 1, it is characterised in that a diameter of 2-3mm of wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165101.5U CN206287596U (en) | 2016-10-25 | 2016-10-25 | Anti- burning composite intermediate layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165101.5U CN206287596U (en) | 2016-10-25 | 2016-10-25 | Anti- burning composite intermediate layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206287596U true CN206287596U (en) | 2017-06-30 |
Family
ID=59094693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621165101.5U Active CN206287596U (en) | 2016-10-25 | 2016-10-25 | Anti- burning composite intermediate layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206287596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720171A (en) * | 2017-07-31 | 2020-01-21 | 大金工业株式会社 | Fire-proof cover for blower and motor |
| 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 |
-
2016
- 2016-10-25 CN CN201621165101.5U patent/CN206287596U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720171A (en) * | 2017-07-31 | 2020-01-21 | 大金工业株式会社 | Fire-proof cover for blower and motor |
| CN110720171B (en) * | 2017-07-31 | 2021-06-29 | 大金工业株式会社 | Fire-proof cover for blower and motor |
| 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 |
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