CN110212467A - A kind of fire-proof and explosion-proof cable seal of high leakproofness and preparation method thereof - Google Patents
A kind of fire-proof and explosion-proof cable seal of high leakproofness and preparation method thereof Download PDFInfo
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- CN110212467A CN110212467A CN201910478491.3A CN201910478491A CN110212467A CN 110212467 A CN110212467 A CN 110212467A CN 201910478491 A CN201910478491 A CN 201910478491A CN 110212467 A CN110212467 A CN 110212467A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/003—Filling materials, e.g. solid or fluid insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fireproofing Substances (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention provides a kind of fire-proof and explosion-proof cable seal of high leakproofness and preparation method thereof, and the cable seal includes: cable frame, is tubular structure；Several cables are axially inserted in the cable frame along cable frame；Several fireproof casings, the corresponding cable of every fireproof casing, the fireproof casing are sheathed on positioned at cable frame inner side cable outer wall；Sealant is filled on the inside of cable frame, is formed the sealing to the cable and fireproof casing being inserted in cable frame and is filled.The fire-proof and explosion-proof cable seal smart structural design of high leakproofness can effectively realize that packaging effect is good, good airproof performance to the hermetically sealed of several cables by the matching design of cable frame, fireproof casing and sealant, and can be effectively fire-proof and explosion-proof.
Description
Technical field
The invention belongs to cable seal technical fields, and in particular, to a kind of fire-proof and explosion-proof cable seal of high leakproofness
And preparation method thereof.
Background technique
Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, by electric power or information from one
Place is transferred to the conducting wire at another place.
Cable has power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable, signal electricity
Cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc..They are led by sub-thread or multiply
Line and insulating layer composition, for connecting circuit, electric appliance etc..
Cable channel sealing, is a kind of seal for pipe joints technology.Main function is to prevent sewage, in rainwater flow ipe, is made
At the band danger operation in water of cable long period of soaking, prevents sewage, rainwater by pipeline seepage flow, endanger adjacent inspection-pit or power transformation
It stands/the operational safety of switching station；Prevent sewage from bringing silt, rubbish into, block cable channel, influence the line data-logging in later period with
Maintenance；It prevents toy from entering cable channel, bites and destroy cable, breed and flee in pipeline.
For cable seal, Chinese patent CN201710623974.9 discloses a kind of waterproof construction of cable, cable
The waterproof sealing method of system and cable is related to cable waterproof field.The waterproof construction of cable includes: the first sealant, second
Sealant, third sealant, the 4th sealant, the first insulation tube, the second insulation tube, third insulation tube, the first fingerstall；First is close
Sealing package ground line；First insulative pipe sleeve is set to the first sealant；Second sealant wraps up the first insulation tube；First fingerstall set
Set on wrapping up the second sealant；Third sealant wraps up the end of the first fingerstall, and end is close to metal terminal；Second insulative pipe sleeve
Set on the wire stylet of cable；4th sealant wraps up metal terminal；Third insulative pipe sleeve is set to the 4th sealant.A kind of cable system
System, including above-mentioned waterproof construction.The waterproof construction and cable system waterproof seal of the cable are good.The waterproof sealing side of cable
Method, this method can ensure that the waterproof seal of multi-thread control and measurement cable thermal contraction cable accessory is good in nuclear power station, makes
It is long with the time.However, the waterproof sealing method of cable provided by the patent, uses a variety of sealants to be sealed, sealing
Method very complicated, high production cost.
Summary of the invention
Above-mentioned to solve the problems, such as, the purpose of the present invention is to provide a kind of fire-proof and explosion-proof cable seals of high leakproofness
Part and preparation method thereof, the fire-proof and explosion-proof cable seal smart structural design of high leakproofness, passes through cable frame, fireproof casing
And the matching design of sealant, it can effectively realize that packaging effect is good, good airproof performance, and can to the hermetically sealed of several cables
It is effectively fire-proof and explosion-proof.
In order to achieve the above objectives, the technical scheme is that
A kind of fire-proof and explosion-proof cable seal of high leakproofness, the cable seal includes: cable frame, is tubular structure；It is several
Cable is axially inserted in the cable frame along cable frame；Several fireproof casings, the corresponding cable of every fireproof casing, institute
Fireproof casing is stated to be sheathed on positioned at cable frame inner side cable outer wall；Sealant is filled on the inside of cable frame, is formed to being inserted in electricity
The sealing of cable and fireproof casing in cable frame is filled.
Further, the cable frame material is anti-aging anti-aqueous vapor rubber material of preventing fires, the anti-aging waterproof of fire prevention
Gas rubber material includes the ingredient of following parts by weight: natural rubber: 50 ~ 60 parts, epoxy acrylate rubber: and 10 ~ 20 parts, ternary
EP rubbers: 10 ~ 15 parts, nano zine oxide: 5 ~ 10 parts, nano magnesia: 5 ~ 10 parts, nano calcium oxide: 5 ~ 10 parts, stearic acid
Modification infusorial earth: 10 ~ 15 parts, diallyl phthalate: 5 ~ 10 parts, organic modification montmonrillonite: 5 ~ 10 parts, anti-aging agent: 1
~ 5 parts, fire retardant: 1 ~ 5 part, promotor: 1 ~ 5 part, coupling agent: 1 ~ 5 part, vulcanizing agent: 1 ~ 5 part.
Further, the anti-aging agent is anti-aging agent RD, anti-aging agent 168 or antioxidant 4010；The promotor is to promote
Agent BG, altax or accelerator NS；The coupling agent is 3-aminopropyltriethoxysilane；The vulcanizing agent is alkyl phenol
Urea formaldehyde or halogenation resol resin.
Further, the preparation method of the anti-aging anti-aqueous vapor rubber material of fire prevention includes the following steps: according to the proportion
Natural rubber, epoxy acrylate rubber and ethylene propylene diene rubber are put into mixer and be kneaded, melting temperature is 50 ~ 60
DEG C, it is kneaded 10 ~ 20min of duration, nano zine oxide, nano magnesia, nano calcium oxide, stearic acid modified diatomite, neighbour is added
Phthalic acid diallyl ester, organic modification montmonrillonite, anti-aging agent, fire retardant, promotor, coupling agent and vulcanizing agent are kneaded
20 ~ 30min, is put into vulcanizer and is once vulcanized by 80 ~ 90 DEG C of melting temperature, and curing temperature is 120 ~ 130 DEG C, vulcanization pressure
Power is 8 ~ 15MPa, vulcanizes 20 ~ 30min of duration, is sent into baking oven and carries out post-cure, and curing temperature is 150 ~ 160 DEG C, vulcanization
Pressure is 10 ~ 12MPa, vulcanizes 40 ~ 60min of duration, is discharged, cooling, obtains the fire-proof and explosion-proof cable seal of the high leakproofness.
Further, the fireproof casing both ends are extend out on the outside of two open end of cable frame, and electricity is stretched out at the every end of fireproof casing
Cable frame adjacent open end distance is 20 ~ 30mm.
Further, the fireproof casing by fire prevention thin slice cladding, be wound in cable outer surface and formed, the fire prevention thin slice
With a thickness of 5 ~ 8mm.
Further, the sealant includes the ingredient of following parts by weight: basic glue: 40 ~ 50 parts, neat silicone powder: 10 ~
20 parts, expanded graphite: 5 ~ 10 parts, fire retardant: 1 ~ 5 part, zinc stearate: 10 ~ 15 parts, coupling agent: 1 ~ 5 part, crosslinking agent: 1 ~ 5 part,
Plasticizer: 1 ~ 5 part.
Further, the basic glue is α, alpha, omega-dihydroxy polydimethyl siloxane；The toughener is epoxy resin；
The coupling agent is silane coupling agent；The crosslinking agent is methyltriethoxysilane or silester；The fire retardant is hydrogen
Aluminium oxide or magnesium hydroxide；The plasticizer is dimethyl silicone polymer.
Further, the sealant preparation method includes the following steps: basic glue, neat silicone powder and expanded graphite
Through 120 ~ 140 DEG C, 150 ~ 160min of vacuum degree 0.06 ~ 0.1MPa vacuum dehydration, it is cooling after obtain base-material, by base-material, fire retardant,
Blender is added in zinc stearate, coupling agent, crosslinking agent and plasticizer, stir 50 under 1200 ~ 1500 revs/min of revolving speed ~
60min, obtains the sealant by 15 ~ 40 DEG C of whipping temp.
Meanwhile the present invention also provides a kind of preparation method of the fire-proof and explosion-proof cable seal of high leakproofness, the preparation sides
Method includes the following steps: to take several cables, fireproof casing is sheathed in the middle part of cable outer wall, the electricity of fireproof casing will be arranged with
Cable is inserted into cable frame, and fireproof casing both ends are extend out on the outside of two open end of cable frame, and filling with sealant on the inside of cable frame is formed
The filling in gap between the cable and fireproof casing being inserted in cable frame is fixed, sealant is formed between adjacent cable
Filling, the sealing in gap, complete the preparation of the fire-proof and explosion-proof cable seal of the high leakproofness.
The beneficial effects of the present invention are:
The fire-proof and explosion-proof cable seal smart structural design of high leakproofness, passes through cable frame, fireproof casing and sealant
Matching design, can effectively realize that packaging effect is good, good airproof performance to the hermetically sealed of several cables, and it is anti-effectively to prevent fires
It is quick-fried.
The cable frame material is anti-aging anti-aqueous vapor rubber material of preventing fires, and by special at design is grouped as, can be had
Effect promotes fire prevention, waterproof and the antiageing effect of cable frame, promotes, extends the service life of sealing element；
Fireproof casing is coated on the outside of cable, can effectively be formed to cable and be prevented fires, is explosion-proof, and can be carried out to cable further close
Envelope；
Sealant is special at being grouped as design, can effective lift-off seal filling capacity, and can ensure that the firm envelope between cable
Dress.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the fire-proof and explosion-proof cable seal of high leakproofness provided by the present invention.
Specific embodiment
Referring to Fig.1, the fire-proof and explosion-proof cable seal of a kind of high leakproofness of the present invention, the cable seal packet
Include: cable frame 1 is tubular structure；Several cables 2 are axially inserted in the cable frame 1 along cable frame 1；Several fireproof casings
3, the corresponding cable 2 of every fireproof casing 3, the fireproof casing 3 is sheathed on positioned at 1 inner side cable of cable frame, 2 outer wall；Sealing
Glue 4 is filled in 1 inside of cable frame, forms the sealing to the cable 2 and fireproof casing 3 being inserted in cable frame 1 and fills.
Further, 1 material of cable frame is anti-aging anti-aqueous vapor rubber material of preventing fires, the anti-aging waterproof of fire prevention
Gas rubber material includes the ingredient of following parts by weight: natural rubber: 50 ~ 60 parts, epoxy acrylate rubber: and 10 ~ 20 parts, ternary
EP rubbers: 10 ~ 15 parts, nano zine oxide: 5 ~ 10 parts, nano magnesia: 5 ~ 10 parts, nano calcium oxide: 5 ~ 10 parts, stearic acid
Modification infusorial earth: 10 ~ 15 parts, diallyl phthalate: 5 ~ 10 parts, organic modification montmonrillonite: 5 ~ 10 parts, anti-aging agent: 1
~ 5 parts, fire retardant: 1 ~ 5 part, promotor: 1 ~ 5 part, coupling agent: 1 ~ 5 part, vulcanizing agent: 1 ~ 5 part.
Further, the anti-aging agent is anti-aging agent RD, anti-aging agent 168 or antioxidant 4010；The promotor is to promote
Agent BG, altax or accelerator NS；The coupling agent is 3-aminopropyltriethoxysilane；The vulcanizing agent is alkyl phenol
Urea formaldehyde or halogenation resol resin.
Further, the preparation method of the anti-aging anti-aqueous vapor rubber material of fire prevention includes the following steps: according to the proportion
Natural rubber, epoxy acrylate rubber and ethylene propylene diene rubber are put into mixer and be kneaded, melting temperature is 50 ~ 60
DEG C, it is kneaded 10 ~ 20min of duration, nano zine oxide, nano magnesia, nano calcium oxide, stearic acid modified diatomite, neighbour is added
Phthalic acid diallyl ester, organic modification montmonrillonite, anti-aging agent, fire retardant, promotor, coupling agent and vulcanizing agent are kneaded
20 ~ 30min, is put into vulcanizer and is once vulcanized by 80 ~ 90 DEG C of melting temperature, and curing temperature is 120 ~ 130 DEG C, vulcanization pressure
Power is 8 ~ 15MPa, vulcanizes 20 ~ 30min of duration, is sent into baking oven and carries out post-cure, and curing temperature is 150 ~ 160 DEG C, vulcanization
Pressure is 10 ~ 12MPa, vulcanizes 40 ~ 60min of duration, is discharged, cooling, obtains the fire-proof and explosion-proof cable seal of the high leakproofness.
Further, 3 both ends of fireproof casing are extend out on the outside of 1 liang of open end of cable frame, and the every end of fireproof casing 3 is stretched out
Cable frame 1 adjacent open end distance is 20 ~ 30mm.
Further, the fireproof casing 3 by fire prevention thin slice cladding, be wound in 2 outer surface of cable and formed, the fire prevention is thin
Piece is with a thickness of 5 ~ 8mm.
Further, the sealant 4 includes the ingredient of following parts by weight: basic glue: 40 ~ 50 parts, neat silicone powder: 10
~ 20 parts, expanded graphite: 5 ~ 10 parts, fire retardant: 1 ~ 5 part, zinc stearate: 10 ~ 15 parts, coupling agent: 1 ~ 5 part, crosslinking agent: 1 ~ 5
Part, plasticizer: 1 ~ 5 part.
Further, the basic glue is α, alpha, omega-dihydroxy polydimethyl siloxane；The toughener is epoxy resin；
The coupling agent is silane coupling agent；The crosslinking agent is methyltriethoxysilane or silester；The fire retardant is hydrogen
Aluminium oxide or magnesium hydroxide；The plasticizer is dimethyl silicone polymer.
Further, the sealant preparation method includes the following steps: basic glue, neat silicone powder and expanded graphite
Through 120 ~ 140 DEG C, 150 ~ 160min of vacuum degree 0.06 ~ 0.1MPa vacuum dehydration, it is cooling after obtain base-material, by base-material, fire retardant,
Blender is added in zinc stearate, coupling agent, crosslinking agent and plasticizer, stir 50 under 1200 ~ 1500 revs/min of revolving speed ~
60min, obtains the sealant by 15 ~ 40 DEG C of whipping temp.
Meanwhile the present invention also provides a kind of preparation method of the fire-proof and explosion-proof cable seal of high leakproofness, the preparation sides
Method includes the following steps: to take several cables 2, fireproof covering pipe sleeve 3 is set in the middle part of 2 outer wall of cable, fireproof casing 3 will be arranged with
Cable 2 be inserted into cable frame 1,3 both ends of fireproof casing are extend out on the outside of 1 liang of open end of cable frame, are filled on the inside of cable frame 1 close
The filling in gap between the cable 2 and fireproof casing 3 being inserted in cable frame 1 is fixed in sealing 4, formation, the formation of sealant 4
Filling, sealing to gap between adjacent cable 2, complete the preparation of the fire-proof and explosion-proof cable seal of the high leakproofness.
The fire-proof and explosion-proof cable seal smart structural design of high leakproofness passes through cable frame, fireproof casing and close
The matching design of sealing can effectively realize that packaging effect is good, good airproof performance to the hermetically sealed of several cables, and can effectively prevent
Fire is explosion-proof.
The cable frame material is anti-aging anti-aqueous vapor rubber material of preventing fires, and by special at design is grouped as, can be had
Effect promotes fire prevention, waterproof and the antiageing effect of cable frame, promotes, extends the service life of sealing element；
Fireproof casing is coated on the outside of cable, can effectively be formed to cable and be prevented fires, is explosion-proof, and can be carried out to cable further close
Envelope；
Sealant is special at being grouped as design, can effective lift-off seal filling capacity, and can ensure that the firm envelope between cable
Dress.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to the technology of invention
Scheme is modified or replaced equivalently, and without departing from the range of technical solution of the present invention, should all be covered in power of the invention
In sharp claimed range.
Claims (10)
1. a kind of fire-proof and explosion-proof cable seal of high leakproofness, which is characterized in that the cable seal includes:
Cable frame is tubular structure；
Several cables are axially inserted in the cable frame along cable frame；
Several fireproof casings, the corresponding cable of every fireproof casing, the fireproof casing are sheathed on the electricity on the inside of cable frame
Cable outer wall；
Sealant is filled on the inside of cable frame, is formed the sealing to the cable and fireproof casing being inserted in cable frame and is filled.
2. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 1, which is characterized in that the cable frame material
For anti-aging anti-aqueous vapor rubber material of preventing fires, the anti-aging anti-aqueous vapor rubber material of fire prevention includes the ingredient of following parts by weight:
Natural rubber: 50 ~ 60 parts, epoxy acrylate rubber: 10 ~ 20 parts, ethylene propylene diene rubber: 10 ~ 15 parts, nano zine oxide: 5 ~
10 parts, nano magnesia: 5 ~ 10 parts, nano calcium oxide: 5 ~ 10 parts, stearic acid modified diatomite: 10 ~ 15 parts, phthalic acid
Diallyl ester: 5 ~ 10 parts, organic modification montmonrillonite: 5 ~ 10 parts, anti-aging agent: 1 ~ 5 part, fire retardant: 1 ~ 5 part, promotor: 1 ~ 5
Part, coupling agent: 1 ~ 5 part, vulcanizing agent: 1 ~ 5 part.
3. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 2, which is characterized in that the anti-aging agent is anti-
Old agent RD, anti-aging agent 168 or antioxidant 4010；The promotor is accelerant B G, altax or accelerator NS；The coupling
Agent is 3-aminopropyltriethoxysilane；The vulcanizing agent is alkyl phenolic resin or halogenation resol resin.
4. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 2, which is characterized in that the fire prevention is anti-aging
The preparation method of anti-aqueous vapor rubber material include the following steps: according to the proportion by natural rubber, epoxy acrylate rubber and
Ethylene propylene diene rubber is put into mixer and is kneaded, and melting temperature is 50 ~ 60 DEG C, is kneaded 10 ~ 20min of duration, and nano oxygen is added
It is de- to change zinc, nano magnesia, nano calcium oxide, stearic acid modified diatomite, diallyl phthalate, organically-modified illiteracy
Soil, anti-aging agent, fire retardant, promotor, coupling agent and vulcanizing agent are kneaded 20 ~ 30min, 80 ~ 90 DEG C of melting temperature, are put into sulphur
Once vulcanized in change machine, curing temperature is 120 ~ 130 DEG C, and sulfide stress is 8 ~ 15MPa, vulcanizes 20 ~ 30min of duration, send
Entering and carries out post-cure in baking oven, curing temperature is 150 ~ 160 DEG C, and sulfide stress is 10 ~ 12MPa, vulcanize 40 ~ 60min of duration,
Discharging, it is cooling, obtain the fire-proof and explosion-proof cable seal of the high leakproofness.
5. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 1, which is characterized in that the fireproof casing two
End is extend out on the outside of two open end of cable frame, and it is 20 ~ 30mm that cable frame adjacent open end distance is stretched out at the every end of fireproof casing.
6. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 5, which is characterized in that the fireproof casing by
Fire prevention thin slice cladding is wound in cable outer surface and is formed, and the fire prevention sheet thickness is 5 ~ 8mm.
7. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 1, which is characterized in that the sealant includes
The ingredient of following parts by weight: basic glue: 40 ~ 50 parts, neat silicone powder: 10 ~ 20 parts, expanded graphite: 5 ~ 10 parts, fire retardant: 1 ~ 5
Part, zinc stearate: 10 ~ 15 parts, coupling agent: 1 ~ 5 part, crosslinking agent: 1 ~ 5 part, plasticizer: 1 ~ 5 part.
8. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 7, which is characterized in that the basis glue is α,
Alpha, omega-dihydroxy polydimethyl siloxane；The toughener is epoxy resin；The coupling agent is silane coupling agent；The crosslinking
Agent is methyltriethoxysilane or silester；The fire retardant is aluminium hydroxide or magnesium hydroxide；The plasticizer is poly-
Dimethyl siloxane.
9. the fire-proof and explosion-proof cable seal of high leakproofness according to claim 1, which is characterized in that the sealant preparation
Method include the following steps: by basic glue, neat silicone powder and expanded graphite through 120 ~ 140 DEG C, 0.06 ~ 0.1MPa of vacuum degree it is true
Base-material is obtained after 150 ~ 160min of sky dehydration, cooling, by base-material, fire retardant, zinc stearate, coupling agent, crosslinking agent and plasticising
Blender is added in agent, and 50 ~ 60min is stirred under 1200 ~ 1500 revs/min of revolving speed, 15 ~ 40 DEG C of whipping temp, is obtained described close
Sealing.
10. a kind of preparation method of the fire-proof and explosion-proof cable seal of high leakproofness any one of claims 1 to 9,
It being characterized in that, the preparation method includes the following steps: to take several cables, fireproof casing is sheathed in the middle part of cable outer wall,
It will be arranged in the cable insertion cable frame of fireproof casing, fireproof casing both ends are extend out on the outside of two open end of cable frame, cable
Filling with sealant on the inside of frame, the filling in gap between the cable and fireproof casing being inserted in cable frame is fixed in formation, close
Sealing forms the filling to gap between adjacent cable, sealing, completes the system of the fire-proof and explosion-proof cable seal of the high leakproofness
It is standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478491.3A CN110212467A (en) | 2019-06-03 | 2019-06-03 | A kind of fire-proof and explosion-proof cable seal of high leakproofness and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478491.3A CN110212467A (en) | 2019-06-03 | 2019-06-03 | A kind of fire-proof and explosion-proof cable seal of high leakproofness and preparation method thereof |
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| CN110212467A true CN110212467A (en) | 2019-09-06 |
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| CN201910478491.3A Pending CN110212467A (en) | 2019-06-03 | 2019-06-03 | A kind of fire-proof and explosion-proof cable seal of high leakproofness and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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