CN108757032A - A kind of composite material tunnel fire proofing door, fire door system and preparation method - Google Patents
A kind of composite material tunnel fire proofing door, fire door system and preparation method Download PDFInfo
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- CN108757032A CN108757032A CN201810565668.9A CN201810565668A CN108757032A CN 108757032 A CN108757032 A CN 108757032A CN 201810565668 A CN201810565668 A CN 201810565668A CN 108757032 A CN108757032 A CN 108757032A
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- 238000004079 fireproofing Methods 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
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- 239000002994 raw material Substances 0.000 claims abstract description 15
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- 239000000463 material Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000007731 hot pressing Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000003779 heat-resistant material Substances 0.000 claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 6
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- 238000005516 engineering process Methods 0.000 claims description 4
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention belongs to tunnel fire proofing door fields, and specifically disclose a kind of composite material tunnel fire proofing door, fire door system and preparation method, fire resistant doorsets are the three-layer composite structure that two composite faces press from both sides that a fireprotection layer is constituted, fireprotection layer is made of fireproofing and heat resistant material, and composite faces are made of high-strength corrosion-resisting material；Fire door system includes doorframe and the fire resistant doorsets in it, and fire resistant doorsets are mounted on by doorframe in tunnel door opening；This method includes：It prepares fireprotection layer and configures resin solution；Resin solution is applied to two surface of fireprotection layer, fireprotection layer prepreg is made；It carries out drying obtained prepreg prepreg after glass fibre is impregnated in resin solution；By prepreg Prepreg Lay on two surfaces of fireprotection layer prepreg, then preheating insulation obtains raw material plate；Raw material plate is subjected to hot pressing, composite material tunnel fire proofing door is made.While the present invention meets fire protecting performance, meet antiknock, Wind-Pressure Resistance, antifatigue, corrosion resistance requirement.
Description
Technical field
The invention belongs to tunnel fire proofing door fields, more particularly, to a kind of composite material tunnel fire proofing door, fire resistant doorsets system
System and preparation method.
Background technology
It is provided with section service channel between rail traffic single-track tunnel such as subway sectional tunnel, which need to set
Fire resistant doorsets are set, the another equipment safety for rain pump room in guarantee tunnel, subway rain pump room also needs setting fire resistant doorsets.
Currently, what tunnel connection channel and rain pump room be respectively mounted is conventional fire resistant doorsets, found according to practical traffic-operating period
There is corrosion, deform, fall off or even topple in conventional fire resistant doorsets, and the case where serious safety accident occur.It has been investigated that going out
The main reason for existing the above situation is that the influence when designing fire resistant doorsets to transit tunnel Piston Action Wind to fire resistant doorsets lacks understanding, not
Fully consider influence of the Piston Action Wind to door body.Due to long-term piston wind action, conventional fire resistant doorsets are although disclosure satisfy that fire-fighting is wanted
It asks, but its integral strength is inadequate, long-term piston wind action can not be born, and it is influenced by tunnel wet environment, door body rust
Erosion is serious, and service life substantially reduces.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of composite material tunnel fire proofing door,
Fire door system and preparation method press from both sides the composite material door body structure of flame retardant coating by designing composite layer, reach tunnel
Fire resistant doorsets Wind-Pressure Resistance, antifatigue, anticorrosive, fire resisting and ageing-resistant demand have many advantages, such as simple in structure, strong applicability, especially
It is suitable for subway tunnel section service channel and rain pump rooms.
To achieve the above object, according to one aspect of the present invention, it is proposed that a kind of composite material tunnel fire proofing door, this is anti-
Vent is the three-layer composite structure that two composite faces press from both sides that a fireprotection layer is constituted, and the fireprotection layer is by fireproofing and heat resistant material system
At the composite faces are made of high-strength corrosion-resisting material.
As it is further preferred that the thickness of the fireprotection layer is more than composite faces, the thickness of fireprotection layer is preferably
The thickness of 30-40mm, composite faces are preferably 0.8mm-1.5mm, fire rating >=1.5 hour of fire resistant doorsets.
It is another aspect of this invention to provide that providing a kind of composite material tunnel fire proofing door system comprising doorframe and
The composite material tunnel fire proofing door, which is connected with doorframe by hinge, and it passes through this
Doorframe is mounted in tunnel door opening.
As it is further preferred that the doorframe is connected by connector with the wall of tunnel door opening, and its per side with
The tie point of wall is no less than four.
As it is further preferred that the interior outside of doorframe the right and left is both provided with multiple connectors, and in one side
It is staggered above and below the connector in outside, wherein the connector of inside is used for doorframe and side phase of the wall towards fire resistant doorsets
Even, the connector in outside is for doorframe to be connected with side of the wall towards tunnel.
As it is further preferred that being provided with sealing device between the doorframe and composite material tunnel fire proofing door, this is close
Seal apparatus includes the Expansion sealing washer being set on doorframe and the insulated enclosure washer in fire resistant doorsets side grooves.
As it is further preferred that being additionally provided with door closer above the tunnel door opening.
It is another aspect of this invention to provide that a kind of preparation method of composite material tunnel fire proofing door is additionally provided, including such as
Lower step：
(1) fireprotection layer is prepared, and configures resin solution；
(2) fireprotection layer prepreg is made in the upper and lower surface that resin solution is applied to fireprotection layer；
(3) it carries out drying obtained prepreg prepreg after impregnating glass fibre in resin solution；
(4) by prepreg Prepreg Lay in the upper and lower surface of fireprotection layer prepreg, then preheating insulation obtains raw material
Plate；
(5) raw material plate is subjected to hot pressing, composite material tunnel fire proofing door is made.
As it is further preferred that the fireprotection layer is prepared using following steps：
(1.1) vermiculite is mixed with auxiliary material, the anti-halogen agent of slow setting is then added and stirs, add light burnt powder and stirs
It mixes, is eventually adding reinforcing agent and stirs evenly acquisition mixed raw material；
(1.2) compression moulding in mold is added in mixed raw material, is then conserved under the conditions of 25 DEG C of temperature, humidity 75%
10h is demoulded, and continues maintenance 3~5 days under the conditions of 25 DEG C of temperature, humidity 75% after demoulding.
As it is further preferred that the concrete technology of the hot pressing is：It is warming up to 145-150 DEG C under 15-18MPa pressure
Precompressed 55-60min is carried out, then is warming up to 175-180 DEG C of heat preservation 12-16min, is finally cooled to be pressurized to 20- at 40-50 DEG C
25MPa, the release when temperature drops to 40 DEG C or less.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, mainly have below
Technological merit：
1. the integral strength of the invention occurred in actual application from fire resistant doorsets is inadequate, can not bear long-term Piston Action Wind
The problem of effect, sets out, and the structure of fire resistant doorsets is studied and designed, and design is obtained by fireprotection layer and composite faces group
At composite construction, as composite faces folder fireprotection layer sandwich, while ensureing fire protecting performance, guarantee door body
Antiknock, Wind-Pressure Resistance, antifatigue, corrosion resistance, service life greatly prolongs, and can extend at least 10%.
2. the present invention to the structural parameters of fireprotection layer and composite faces is studied and has been designed, wherein fireprotection layer
Thickness is designed to that, more than composite faces, the thickness of fireprotection layer is designed as 30-40mm, and the thickness of composite faces is designed as
0.8mm-1.5mm ensures the fire protecting performance, Wind-Pressure Resistance, anti-fatigue performance of fire resistant doorsets, and so that the fire rating of fire resistant doorsets can
>=1.5 hours.
3. the present invention goes back a kind of composite material tunnel fire proofing door system of research and design, and specific to door body and tunnel wall
Connection type, concrete arrangement of connector etc. are studied, and make company of the doorframe per side and wall by connector
Contact is no less than four, ensures the bonding strength of door body and wall.
4. the present invention is respectively provided with multiple connectors by the interior outside on doorframe both sides, and makes the connection of side inside and outside same one side
It is staggered above and below part, and make medial connection connection doorframe and side of the wall towards fire resistant doorsets, outer connectors connect door
Frame and side of the wall towards tunnel, ensure the reliable and stable connection of door body and tunnel door opening with this, ensure integrated connection intensity,
Further increase Wind-Pressure Resistance and overturning-preventing ability.
5. the present invention also research and design sealing device, the sealing device include the Expansion sealing washer that is set on doorframe with
And the insulated enclosure washer in fire resistant doorsets side grooves, with play fire prevention, Smoke prevention, anti-flaming thermal-insulation function.
6. the present invention goes back the research and design preparation method of composite material tunnel fire proofing door, pass through the preparation work to fireprotection layer
The research of skill and itself and the heat pressing process of composite faces obtains best preparation process so that fireprotection layer and composite material
The reliable composite joint of face layer, prepares the fire resistant doorsets for the sandwich for meeting performance requirement.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of composite material tunnel fire proofing door system provided in an embodiment of the present invention；
Fig. 2 is the connection diagram of composite material tunnel fire proofing door and tunnel door opening provided in an embodiment of the present invention；
Fig. 3 is enlarged drawing at the C of Fig. 2；
Fig. 4 is enlarged drawing at the D of Fig. 2.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
As shown in Figure 1, a kind of composite material tunnel fire proofing door 7 provided in an embodiment of the present invention, the fire resistant doorsets are anti-for tunnel
Fire prevention, antiknock, Wind-Pressure Resistance, antifatigue, anti-aging core component in door system are protected, for two composite faces folder, one fire prevention
The three-layer composite structure that layer is constituted includes the composite faces set on intermediate fireprotection layer 3 and set on two surface of fireprotection layer
4, structure, shape, size of two composite faces etc. are completely the same, wherein fireprotection layer is made of fireproofing and heat resistant material, with full
The fire protection requirement of sufficient fire resistant doorsets, and composite faces are made of high-strength corrosion-resisting material, to demonstrate,prove antiknock, the wind resistance of door body
It presses, is antifatigue, erosion-resisting performance requirement.As shown in Fig. 2, intermediate fireprotection layer is provided with composite wood charge level on one side towards cavern
Layer, composite faces are provided with towards tunnel on one side.
Specifically, the present invention is used as again using fiberglass reinforced plastics (GFRP is also GRP or FRP, abbreviation fiberglass)
Condensation material face layer prepares material, and composite faces is made to have high intensity, antiknock, Wind-Pressure Resistance, antifatigue, corrosion resistance,
Fireproofing and heat resistant material is filled in the fiberglass reinforced plastics of two sides layer, builds complete composite material tunnel fire proofing door.
Specifically, internal layer fireprotection layer is used to play the effect of fireproofing and heat resistant, ensure the fire protecting performance of door body, when design, is
Reach better flameproof effect, use special fireproofing and heat resistant material preparation, is made in such a way that vermiculite board is filled, and will
The thickness of the fireprotection layer is designed to be more than surface thickness, and thickness is preferably 30-40mm, and face layer is prepared using composite material,
With the multiple actions such as heat-resisting, high intensity, Wind-Pressure Resistance, antifatigue, anticorrosive, thickness is preferably 0.8mm-1.5mm, by above-mentioned
The fireprotection layer collocation face layer of thickness, can effectively ensure that fire rating >=1.5 hour of fire resistant doorsets.
As illustrated in fig. 1 and 2, the present invention also provides a kind of composite material tunnel fire proofing door system, the composite material tunnels
Fire door system includes doorframe 2 and the composite material tunnel fire proofing door in the doorframe 2, composite material tunnel fire proofing door
It is connected by hinge 5 with doorframe, realizes that the installation of fire resistant doorsets is fixed by the way that doorframe is connected with tunnel door opening.Specifically, hinge
Using bearing hinge (>=4.5 cun), ensure its high intensity, and carry out antirust, fire prevention processing, in addition to closing between fire resistant doorsets and doorframe
It is also attached using hinge for fireproof except page, on the one hand reaches flameproof effect, on the other hand can bear fire resistant doorsets own wt,
The number of hinge is preferably 3, and the thickness of flap (or hinge) is no less than 3mm, to reach better connection effect, is protected
Bonding strength is demonstrate,proved, equal sprayed fire proofing coating on hinge and hinge ensures fire protecting performance.Specifically, doorframe material can be used it is stainless
Steel or galvanized steel can be by casting concretes in steel after installation for proof strength and stability.
As shown in Fig. 2, doorframe is connected by connector with the wall of tunnel door opening, which is preferably expansion bolt 1,
A in Fig. 2 is (to be used for place apparatus, such as rainwater pumps) inside cavern, and B is that tunnel (is equipped with train driving track, for train row
It sails, will produce Piston Action Wind during train driving acts on fire resistant doorsets).In view of concrete application occasion, door body and connector
In addition to the factor by dead load and dynamic load, also by the failure by shear of tunnel wind pressure such as Piston Action Wind, therefore in doorframe
It installs, the tie point of doorframe and tunnel door opening wall per side (left and right sides as shown in Figure 2) is designed to no less than 4, and
Tie point is evenly distributed on each side, and to be fixedly connected.
Specifically, interior outside of the doorframe per side is both provided with multiple connectors, and the connector on both sides is symmetrical arranged, i.e.,
The connector of doorframe the right and left setting is symmetrical.Doorframe is staggered with the connector inside and outside one side, wherein in
For doorframe to be connected with side of the wall towards fire resistant doorsets, the connector in outside is used for doorframe and wall face the connector of side
It is connected to the side in tunnel.
As shown in Fig. 2, illustrating that (the right and the left side are symmetrical arranged for the concrete arrangement of connector by taking the left side of doorframe as an example
), the tie point of the side and wall is 8, realizes connection by 8 expansion bolts, wherein the inside of doorframe is (on the left of Fig. 2
Top) there are four expansion bolts for setting, and four expansion bolts are along the short transverse arranged for interval of doorframe, outside (Fig. 2 of doorframe
The lower section in left side) setting there are four expansion bolt, four expansion bolts along doorframe short transverse arranged for interval, and this four
Four expansion bolt interlaced arrangements of a expansion bolt and inside, i.e., along the short transverse of doorframe, be successively medial expansion bolt,
Lateral expansion bolt, medial expansion bolt, lateral expansion bolt, and so on.More specifically, the expansion bolt of inside passes through
Bolted angle connection wall and doorframe, inner surface of the angle steel respectively with metope of the wall towards fire resistant doorsets side and doorframe closely connect
It touches, and its face contacted with wall is fixed on by expansion bolt on the metope of wall, is welded on the face of door frame contact
On doorframe；The expansion bolt in outside is again by Bolted angle connection wall and doorframe, and the angle steel is respectively with wall towards tunnel side
Metope and the lateral surface of doorframe be in close contact, and its face contacted with wall is fixed on the wall of wall by expansion bolt
On face, it is welded on doorframe with the face of door frame contact.Pass through the concrete arrangement of above-mentioned connector, it is ensured that door body and tunnel
The reliable and stable connection of manhole ensures integrated connection intensity, further increases Wind-Pressure Resistance and overturning-preventing ability.
Further, it is provided with sealing device 8 between doorframe and composite material tunnel fire proofing door, as shown in Figures 3 and 4,
The sealing device includes the insulated enclosure washer in 7 side grooves of the Expansion sealing washer 8-1 being fixed on doorframe 2 and fire resistant doorsets
8-2.When a fire, it is fixed on Expansion sealing washer 8-1 on doorframe 2 prolonged expansion after heated, is played when fire resistant doorsets 7 close
The effect that the transverse slot between door leaf and doorframe is blocked after closing has the function of that fire prevention, Smoke prevention, the insulation in side grooves are close
Seal washer 8-2 is made of fire protection flame retarding rubber, on the one hand plays what sealing was generated by the hinge 5 of connection doorframe 2 and fire resistant doorsets 7
Gap, can also Sealed doorframe and fire resistant doorsets contact surface, on the other hand also act as the effect of anti-flaming thermal-insulation.
In order to ensure the closure effect of fire resistant doorsets, door closer 6 is additionally provided with above tunnel door opening, door closer is using heavy
Door closer, and carry out antirust, fire prevention processing.
The present invention also provides the preparation methods of composite material tunnel fire proofing door, include the following steps：
(1) fireprotection layer is prepared, and configures resin solution；
(2) fireprotection layer prepreg is made in the upper and lower surface that resin solution is applied to fireprotection layer；
(3) glass fibre is impregnated in resin solution, then carries out drying obtained prepreg prepreg；
(4) by prepreg Prepreg Lay in the upper and lower surface of fireprotection layer prepreg, then preheating insulation obtains raw material
Plate；
(5) raw material plate is subjected to hot pressing, composite material tunnel fire proofing door is made.
Wherein, fireprotection layer is prepared using following steps：
(1.1) vermiculite is mixed with auxiliary material, the anti-halogen agent of slow setting is then added and stirs, add light burnt powder and stirs
It mixes, is eventually adding reinforcing agent and stirs evenly acquisition mixed raw material, the mixing of the mixed raw material can carry out in blender, be added slow
It is 1-5min to coagulate the time stirred after anti-halogen agent, and it is 3-8min that the time stirred after light burnt powder, which is added, and stirring after reinforcing agent is added
It is 5-10min to mix the time, and wherein auxiliary material is generally film forming agent and coalescents, flame-retardant expanded dose and blowing promotor, or
Pigment and extender pigment are generally 2 with the mass ratio of vermiculite:3；
(1.2) compression moulding in mold is added in mixed raw material, is then conserved under the conditions of 25 DEG C of temperature, humidity 75%
Cure after 10h and demould, continue under the conditions of 25 DEG C of temperature, humidity 75% after demoulding maintenance prepare within 3~5 days it is required anti-
Fire bed, wherein smearing one layer of releasing agent in mold before forming, size is identical as the size of the fireprotection layer of required preparation, i.e., long
It is wide high consistent.
Resin solution specifically configures in the following way：Unsaturated polyester resin, fire retardant, curing agent and solution are pressed into matter
Measure ratio 100：25-30：15-20：55-60 is uniformly mixed into resin solution, and the solution is toluene or dimethylbenzene.
Specifically, dip time of the glass fibre in resin solution is 30-60min in step (3), and specifically use three
Segmentation drying mode is dried, and wherein the drying temperature of first segment is 20-50 DEG C, drying time 10-20min, second segment
Drying temperature is 50-70 DEG C, drying time 20-40min, and the drying temperature of first segment is 70-100 DEG C, drying time 30-
50min.Make the prepreg prepreg obtained meet preparation demand using above-mentioned stoving process, and finally to prepare
Zone face layer and the fire resistant doorsets of fireprotection layer not only meet fire prevention needs, also there is good antiknock, Wind-Pressure Resistance, antifatigue, anti-corruption
Corrosion energy.
Further, the preheating temperature in step (4) is 110-120 DEG C, soaking time 20-40min.Specifically
, the concrete technology of hot pressing is in step (5)：145-150 DEG C of progress precompressed 55-60min is warming up under 15-18MPa pressure,
It is warming up to 175-180 DEG C of heat preservation 12-16min again, is finally cooled to be pressurized to 20-25MPa at 40-50 DEG C, when temperature drops to 40
DEG C or less when release, be cooled to room temperature acquisition required product, which carries out in hot press.Pass through above-mentioned hot pressing work
Skill so that face layer can be combined effectively with fireprotection layer, and binding force is strong, is not readily separated, and make the zone face layer finally prepared
Not only meet fire prevention needs with the fire resistant doorsets of fireprotection layer, also there is good antiknock, Wind-Pressure Resistance, antifatigue, corrosion resistance, greatly
The big service life for improving fire resistant doorsets, is found by experiment that, the use of the service life of fire resistant doorsets of the present invention than conventional fire resistant doorsets
Long lifespan at least 10%.
The door body of the present invention meets fire resistant doorsets using the composite structure of composite layer folder flame retardant coating using flame retardant coating
Fire protection requirement, ensure the intensity of door body, antiknock, Wind-Pressure Resistance, antifatigue, erosion-resisting using composite faces (fiberglass)
Performance requirement, the problems such as solving previous subway tunnel routine fire resistant doorsets door body corrosion, deform, fall off or even topple over, even if in length
Under the action of phase wind pressure, service life is also longer.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of composite material tunnel fire proofing door, which is characterized in that the fire resistant doorsets are that two composite faces press from both sides a fireprotection layer structure
At three-layer composite structure, the fireprotection layer is made of fireproofing and heat resistant material, and the composite faces are by high-strength corrosion-resisting
Material is made.
2. composite material tunnel fire proofing door as described in claim 1, which is characterized in that the thickness of the fireprotection layer is more than compound
The thickness of material face layer, fireprotection layer is preferably 30-40mm, and the thickness of composite faces is preferably 0.8mm-1.5mm, fire resistant doorsets
Fire rating >=1.5 hour.
3. a kind of composite material tunnel fire proofing door system, which is characterized in that including doorframe and such as any one of claim 1-2 institutes
The composite material tunnel fire proofing door stated, which is connected with doorframe by hinge, and it passes through the door
Frame is mounted in tunnel door opening.
4. composite material tunnel fire proofing door system as claimed in claim 3, which is characterized in that the doorframe by connector with
The wall of tunnel door opening is connected, and it is per side and the tie point of wall is no less than four.
5. composite material tunnel fire proofing door system as claimed in claim 4, which is characterized in that the interior outside of doorframe the right and left
Multiple connectors are both provided with, and with staggered above and below the connector of side inside and outside one side, wherein the connector of inside is used for
Doorframe is connected with side of the wall towards fire resistant doorsets, the connector in outside is used for doorframe and side phase of the wall towards tunnel
Even.
6. composite material tunnel fire proofing door system as described in claim 4 or 5, which is characterized in that the doorframe and composite wood
It is provided with sealing device between material tunnel fire proofing door, which includes the Expansion sealing washer being set on doorframe and fire prevention
Insulated enclosure washer in door side groove.
7. composite material tunnel fire proofing door system as claimed in any one of claims 1 to 6, which is characterized in that the tunnel door opening
Top is additionally provided with door closer.
8. a kind of preparation method of composite material tunnel fire proofing door, which is characterized in that include the following steps：
(1) fireprotection layer is prepared, and configures resin solution；
(2) fireprotection layer prepreg is made in the upper and lower surface that resin solution is applied to fireprotection layer；
(3) it carries out drying obtained prepreg prepreg after impregnating glass fibre in resin solution；
(4) by prepreg Prepreg Lay in the upper and lower surface of fireprotection layer prepreg, then preheating insulation obtains raw material plate；
(5) raw material plate is subjected to hot pressing, composite material tunnel fire proofing door is made.
9. the preparation method of composite material tunnel fire proofing door as claimed in claim 8, which is characterized in that the fireprotection layer uses
It is prepared by following steps：
(1.1) vermiculite is mixed with auxiliary material, the anti-halogen agent of slow setting is then added and stirs, add light burnt powder and stirs, most
Reinforcing agent is added afterwards and stirs evenly acquisition mixed raw material；
(1.2) compression moulding in mold is added in mixed raw material, it is de- that 10h is then conserved under the conditions of 25 DEG C of temperature, humidity 75%
Mould continues maintenance 3~5 days after demoulding under the conditions of 25 DEG C of temperature, humidity 75%.
10. the preparation method of composite material tunnel fire proofing door as claimed in claim 9, which is characterized in that the tool of the hot pressing
Body technology is：It is warming up to 145-150 DEG C of progress precompressed 55-60min under 15-18MPa pressure, then is warming up to 175-180 DEG C of guarantor
Warm 12-16min is finally cooled to be pressurized to 20-25MPa at 40-50 DEG C, the release when temperature drops to 40 DEG C or less.
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| CN201810565668.9A CN108757032A (en) | 2018-06-04 | 2018-06-04 | A kind of composite material tunnel fire proofing door, fire door system and preparation method |
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| CN201810565668.9A CN108757032A (en) | 2018-06-04 | 2018-06-04 | A kind of composite material tunnel fire proofing door, fire door system and preparation method |
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| CN115814302A (en) * | 2021-09-29 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Processing method of box body assembly and box body assembly |
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