CN113594983A - Cable explosion-proof fire blanket - Google Patents

Cable explosion-proof fire blanket Download PDF

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Publication number
CN113594983A
CN113594983A CN202110894523.5A CN202110894523A CN113594983A CN 113594983 A CN113594983 A CN 113594983A CN 202110894523 A CN202110894523 A CN 202110894523A CN 113594983 A CN113594983 A CN 113594983A
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CN
China
Prior art keywords
layer
fire
blanket
flame
retardant
Prior art date
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Pending
Application number
CN202110894523.5A
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Chinese (zh)
Inventor
林正超
林伟国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Liaohui Holding Co ltd
Original Assignee
Zhejiang Liaohui Holding Co ltd
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Publication date
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Priority to CN202110894523.5A priority Critical patent/CN113594983A/en
Publication of CN113594983A publication Critical patent/CN113594983A/en
Pending legal-status Critical Current

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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
    • H02G3/0406—Details thereof
    • H02G3/0412—Heat or fire protective means
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • 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
    • H02G3/0437—Channels
    • 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
    • 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
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides
    • C08K2003/3036—Sulfides of zinc
    • 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
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/322—Ammonium phosphate
    • C08K2003/323—Ammonium polyphosphate
    • 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
    • C08K3/38—Boron-containing compounds
    • C08K2003/387—Borates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses a cable explosion-proof fireproof blanket, which belongs to the technical field of fireproof blankets and comprises a fireproof blanket main body, wherein a cavity is arranged in the fireproof blanket main body, a base layer is arranged in the cavity, vacuum layers are respectively arranged on the upper side and the lower side of the base layer, a flame-retardant layer is arranged on the surface layer of the fireproof blanket main body, the flame-retardant layers are arranged on the two sides of the vacuum layers, the flame-retardant layer is made of a PP-PS composite material, the base layer consisting of heat reflection cloth is arranged in the fireproof blanket main body, the vacuum layer is arranged between the flame-retardant layer and the base layer, and multiple fire-resistant and heat-insulating layers are formed between three media, so that the cable explosion-proof fireproof blanket is high in fire-resistant and heat-insulating properties.

Description

Cable explosion-proof fire blanket
Technical Field
The invention belongs to the technical field of fireproof blankets, and particularly relates to a cable explosion-proof fireproof blanket.
Background
Large-area power failure and frequent fire accidents caused by fire conditions of cable channels in China and abroad reduce the power supply reliability of a power grid and cause adverse social effects. In order to strengthen the operation and maintenance control of the power cable and prevent the occurrence and expansion of fire accidents of the power cable, the cable body and accessories are wrapped with the fireproof blanket to be taken as an important technical means for cable fire prevention, so that extensive attention and research are paid.
Polypropylene (PP) is an important thermoplastic polymer with low density, low water absorption, oil and chemical resistance, and outstanding stress cracking resistance, and is one of the most widely used plastics in modern times. Polystyrene (PS) has good comprehensive properties, such as excellent thermodynamic properties, good toughness, good chemical resistance, good wear resistance, self-lubricating property, excellent electrical insulation property and the like. Polypropylene has higher dielectric coefficient, and can be used for manufacturing heated electrical appliance insulation products along with temperature rise. It has high breakdown voltage and is suitable for use as electric fittings. The high-frequency insulating material has good voltage resistance and arc resistance, thus having good electrical property and high-frequency insulating property and being not influenced by humidity.
The prior cable explosion-proof fireproof blanket has the following defects in use.
Because the medium layer in the existing cable explosion-proof fireproof blanket is produced by adopting conventional materials, the cable explosion-proof fireproof blanket has poor fire resistance and heat insulation performance. Therefore, it is necessary to relate to a cable explosion-proof fireproof blanket.
Disclosure of Invention
Aiming at the problem that the existing cable explosion-proof fireproof blanket is poor in fire resistance and heat insulation performance, the invention provides the cable explosion-proof fireproof blanket, the surface layer of the main body of the fireproof blanket is provided with a flame-retardant layer, the flame-retardant layer is made of PP-PS composite materials, a base layer consisting of heat reflection cloth is arranged in the main body of the fireproof blanket, a vacuum layer is arranged between the flame-retardant layer and the base layer, and multiple fire-resistant and heat-insulation layers are formed among three media, so that the cable explosion-proof fireproof blanket is strong in fire resistance and heat insulation performance.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an explosion-proof fire blanket of cable, includes the fire blanket main part, be equipped with the cavity in the fire blanket main part, be equipped with the basic unit in this cavity, both sides are equipped with the vacuum layer respectively about the basic unit, fire blanket main part top layer is equipped with fire-retardant layer, and vacuum layer both sides are arranged in to this fire-retardant layer.
Preferably, the flame retardant layer is a PP-PS composite.
Preferably, the PP-PS composite material comprises PP, PS, a compatilizer, a toughening agent, a compound halogen-free flame retardant, an anti-dripping agent, a dispersing agent, a light stabilizer, an antioxidant and a lubricant.
Preferably, the compound halogen-free flame retardant comprises 45-50 parts of ammonium polyphosphate, 18-20 parts of melamine, 13-15 parts of polypentaerythritol, 8-10 parts of urate, 0.2-0.4 part of zinc borate and 0.5-1 part of ionic surfactant.
Preferably, the anti-dripping agent, i.e. the flame retardant synergist, is polytetrafluoroethylene, PTFE.
Preferably, the base layer, the vacuum layer and the flame retardant layer are bonded with each other by a heat-resistant adhesive.
Preferably, the base layer is a heat reflective cloth.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
the surface layer of the main body of the fireproof blanket is provided with the flame-retardant layer, the flame-retardant layer is made of the PP-PS composite material, and the composite material is matched with the halogen-free flame retardant and the anti-dripping agent, so that the defects of performance reduction and flame retardant precipitation of the product caused by decomposition of the traditional halogen-free flame retardant material in processing are overcome, and the fire-retardant grade of the system is greatly improved. In the compound halogen-free flame retardant, the overall flame retardant effect of a PP-PS blending matrix can be achieved by configuring ammonium polyphosphate, melamine, polypentaerythritol, urate and zinc borate, a small amount of auxiliary agents such as ionic surfactants and the like are added, in addition, the compound halogen-free flame retardant can be prepared by preparing aluminum hydroxide, magnesium hydroxide, expanded graphite, borate, aluminum oxalate and zinc sulfide to be mixed and added into the PP-PS blending matrix, the overall flame retardant effect of the PP-PS blending matrix can be improved, the problem of poor flame retardant property of the PP-PS blending matrix is avoided, in addition, the overall heat resistance effect of the PP-PS blending matrix can be further improved by preparing a styrene-N-phenylmaleimide-anhydrous maleic acid copolymer as a heat resistance agent, so that the composite material can adapt to a certain high-temperature environment, the fire blanket main part is equipped with the basic unit that the heat reflection cloth is constituteed in being equipped with, and is equipped with the vacuum layer between this fire-retardant layer and the basic unit, forms multiple fire-resistant, insulating layer between the three-layer medium to it is strong to make this cable explosion-proof fire blanket fire-resistant, heat-proof quality.
Drawings
Fig. 1 is a schematic view of the overall structure of a cable explosion-proof fireproof blanket.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
1. a fire blanket body; 2. a flame retardant layer; 3. a base layer; 4. and (4) a vacuum layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, which is a schematic structural diagram of a cable explosion-proof and fire-proof blanket according to a preferred embodiment of the present invention, in this embodiment, the cable explosion-proof and fire-proof blanket includes a fire-proof blanket main body 1, a cavity is disposed in the fire-proof blanket main body 1, a base layer 3 is disposed in the cavity, vacuum layers 4 are disposed on upper and lower sides of the base layer 3, respectively, a flame retardant layer 2 is disposed on a surface layer of the fire-proof blanket main body 1, the flame retardant layers 2 are disposed on two sides of the vacuum layers 4, and the fire-proof blanket main body 1 is composed of multiple gap media, so that the fire-proof blanket main body 1 has stronger fire-resistant and heat-insulating properties.
In this embodiment, the flame-retardant layer 2 is a PP-PS composite material and a composite material formed by blending PP-PS, so that the surface of the fire blanket main body 1 has a stronger flame-retardant and heat-insulating effect, and the cable explosion-proof fire blanket has higher practicability.
In the embodiment, the PP-PS composite material comprises PP, PS, a compatilizer, a flexibilizer, a compound halogen-free flame retardant, an anti-dripping agent, a dispersing agent, a light stabilizer, an antioxidant and a lubricant, and the defects of product performance reduction and flame retardant precipitation caused by decomposition of the traditional halogen-free flame retardant material in processing are overcome by matching the compound halogen-free flame retardant and the anti-dripping agent, so that the fire-proof grade of the system is greatly improved.
In the embodiment, the compound halogen-free flame retardant comprises 45-50 parts of ammonium polyphosphate, 18-20 parts of melamine, 13-15 parts of polypentaerythritol, 8-10 parts of urate, 0.2-0.4 part of zinc borate and 0.5-1 part of ionic surfactant, and the flame retardant and the heat insulation performance of the flame retardant layer 2 are further improved by configuring the ammonium polyphosphate, the melamine, the polypentaerythritol, the urate and the zinc borate to enable the overall flame retardant effect of a PP-PS blending matrix and adding a small amount of auxiliary agents such as the ionic surfactant and the like, and meanwhile, the materials are distributed according to parts by mass, and the unit is kg.
In this embodiment, the anti-dripping agent, i.e., the flame retardant synergist, is polytetrafluoroethylene PTFE, and the addition of the anti-dripping agent makes the PP-PS blend matrix have a stronger flame retardant effect, thereby further improving the flame retardant and heat insulation effect of the fire blanket main body 1.
In this embodiment, the base layer 3, the vacuum layer 4 and the flame retardant layer 2 are bonded by a heat-resistant adhesive, and the base layer 3, the vacuum layer 4 and the flame retardant layer 2 are connected by the heat-resistant adhesive, so that the dielectric layer of the fire blanket main body 1 is connected with the dielectric layer, thereby further improving the overall fire-resistant and heat-insulating properties.
In this embodiment, the base layer 3 is a heat reflective fabric, so that when the temperature rises, high temperature is further prevented from passing through the fire blanket body 1, thereby enhancing the fire-resistant and heat-insulating properties.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.

Claims (7)

1. An explosion-proof and fire-proof blanket for cable,
the method is characterized in that:
the fireproof blanket comprises a fireproof blanket main body (1), wherein a cavity is arranged in the fireproof blanket main body (1), a base layer (3) is arranged in the cavity, vacuum layers (4) are respectively arranged on the upper side and the lower side of the base layer (3), a flame-retardant layer (2) is arranged on the surface layer of the fireproof blanket main body (1), and the vacuum layers (4) are arranged on two sides of the flame-retardant layer (2).
2. The cable explosion and fire blanket of claim 1, wherein: the flame-retardant layer (2) is a PP-PS composite material.
3. The cable explosion and fire blanket of claim 2, wherein: the PP-PS composite material comprises PP, PS, a compatilizer, a toughening agent, a compound halogen-free flame retardant, an anti-dripping agent, a dispersing agent, a light stabilizer, an antioxidant and a lubricant.
4. The cable explosion and fire blanket of claim 3, wherein: the compound halogen-free flame retardant comprises 45-50 parts of ammonium polyphosphate, 18-20 parts of melamine, 13-15 parts of polypentaerythritol, 8-10 parts of urate, 0.2-0.4 part of zinc borate and 0.5-1 part of ionic surfactant.
5. The cable explosion and fire blanket of claim 3, wherein: the anti-dripping agent, namely the flame-retardant synergist is Polytetrafluoroethylene (PTFE).
6. The cable explosion and fire blanket of claim 1, wherein: the base layer (3), the vacuum layer (4) and the flame-retardant layer (2) are bonded through a heat-resistant adhesive.
7. The cable explosion and fire blanket of claim 1, wherein: the base layer (3) is made of heat reflection cloth.
CN202110894523.5A 2021-08-05 2021-08-05 Cable explosion-proof fire blanket Pending CN113594983A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110894523.5A CN113594983A (en) 2021-08-05 2021-08-05 Cable explosion-proof fire blanket

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Application Number Priority Date Filing Date Title
CN202110894523.5A CN113594983A (en) 2021-08-05 2021-08-05 Cable explosion-proof fire blanket

Publications (1)

Publication Number Publication Date
CN113594983A true CN113594983A (en) 2021-11-02

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CN202110894523.5A Pending CN113594983A (en) 2021-08-05 2021-08-05 Cable explosion-proof fire blanket

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202982995U (en) * 2012-11-12 2013-06-12 北京英特莱摩根热陶瓷纺织有限公司 Optical cable and cable fire protection blanket
CN206001985U (en) * 2016-08-11 2017-03-08 江苏领瑞新材料科技有限公司 A kind of explosion-proof blanket
CN208335775U (en) * 2018-07-19 2019-01-04 山东中迈电缆有限公司 A kind of resistance to fire-retardant resistance to fireproof electric wire and cable
CN110406190A (en) * 2019-08-08 2019-11-05 常州市沃科科技有限公司 A kind of fire-proof and thermal-insulation blanket, cable, cable connector and cable laying structure
CN211651894U (en) * 2020-04-28 2020-10-09 浙江辽汇控股有限公司 Cable fusion joint with embedded cable temperature monitoring device
CN112080073A (en) * 2020-09-29 2020-12-15 温州鑫泰新材料股份有限公司 Flame-retardant antibacterial PP-ps composite material and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202982995U (en) * 2012-11-12 2013-06-12 北京英特莱摩根热陶瓷纺织有限公司 Optical cable and cable fire protection blanket
CN206001985U (en) * 2016-08-11 2017-03-08 江苏领瑞新材料科技有限公司 A kind of explosion-proof blanket
CN208335775U (en) * 2018-07-19 2019-01-04 山东中迈电缆有限公司 A kind of resistance to fire-retardant resistance to fireproof electric wire and cable
CN110406190A (en) * 2019-08-08 2019-11-05 常州市沃科科技有限公司 A kind of fire-proof and thermal-insulation blanket, cable, cable connector and cable laying structure
CN211651894U (en) * 2020-04-28 2020-10-09 浙江辽汇控股有限公司 Cable fusion joint with embedded cable temperature monitoring device
CN112080073A (en) * 2020-09-29 2020-12-15 温州鑫泰新材料股份有限公司 Flame-retardant antibacterial PP-ps composite material and preparation method thereof

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Application publication date: 20211102

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