CN206293198U - Mesohigh mineral matter fire-retardant fireproof cable - Google Patents
Mesohigh mineral matter fire-retardant fireproof cable Download PDFInfo
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- CN206293198U CN206293198U CN201621177216.6U CN201621177216U CN206293198U CN 206293198 U CN206293198 U CN 206293198U CN 201621177216 U CN201621177216 U CN 201621177216U CN 206293198 U CN206293198 U CN 206293198U
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Abstract
Mesohigh mineral matter fire-retardant fireproof cable, it is made up of some cable cores, filler and fire-retardant oversheath, cable core is placed in inside fire-retardant oversheath, each cable core is made up of conductor, conductor shield, insulating barrier, insulation screen and metal screen layer respectively from inside to outside, filler is filled between cable core and fire-retardant oversheath, and fire-retardant oversheath is made up of heat insulation layer, fire-retardant cooling layer, fire-resistant isinglass belt, armor and LSOH anti-flaming sheath respectively from inside to outside.The utility model between outer jacket and internal core by setting flame retardant filler, outer jacket includes fire-retardant cooling layer, armor and the fire-retardant oversheath composition of flame-proof environmental protection, solve the contradiction between medium-and-high voltage fire electric property and fire-resistance property, the cable not only has excellent electric property, and with good fire-resistance property.
Description
Technical field
The utility model is related to fireproof cable production technical field, and in particular to a kind of mesohigh mineral matter fire-retardant fireproof electricity
Cable.
Background technology
With the quickening of Chinese society economic construction paces, fire prevention, fireproof power cable be widely used in skyscraper,
The important places such as subway, power plant, nuclear power station, tunnel, due to the particularity of middle-high voltage power cable structure, current fire prevention,
Fire-resisting cable voltage class is all in 1 kV and following, and some need the occasion of mesohigh power transmission and distribution because not having mesohigh fire resisting
Cable, its security performance cannot be ensured.
Utility model content
The utility model provides a kind of mesohigh mineral matter fire-retardant fireproof cable, to solve the middle height of prior art presence
The problem of contradiction between pressure fire-resisting cable electric property and fire-resistance property.
The utility model solves the technical scheme that its technical problem used：
A kind of mesohigh mineral matter fire-retardant fireproof cable, is made up of some cable cores, filler and fire-retardant oversheath, electricity
Cable core is placed in inside fire-retardant oversheath, each cable core from inside to outside respectively by conductor, conductor shield, insulating barrier, absolutely
Edge screen layer and metal screen layer are constituted, and conductor shield is evenly coated at conductive surface, and insulating barrier is coated on conductor shield
Surface, insulation screen is evenly coated at surface of insulating layer, and metal screen layer is filled using wrapped soft copper band, filler is overlapped
Between cable core and fire-retardant oversheath, fire-retardant oversheath is from inside to outside respectively by heat insulation layer, fire-retardant cooling layer, fireproof mica
Band, armor and LSOH anti-flaming sheath composition, heat insulation layer is composited by fire-resistant isinglass belt and ceramic silicone band, fire-retardant
Cooling layer is coated on adiabatic layer surface, and fire-retardant cooling layer surface sets fire-resistant isinglass belt, and armor is galvanized steel strip, galvanized steel strip
Double-layer spiral gap is wrapped in fireproof mica belt surface, and LSOH anti-flaming sheath is arranged on armouring layer surface.
Above-mentioned conductor shield and insulation screen are cross-linking type semi-conductive layer.
Above-mentioned filler uses nonhygroscopic easy tear polypropylene filler.
Above-mentioned fire-retardant cooling layer has mediated a large amount of magnesium hydroxides or aluminium hydroxide, fire-retardant cooling layer mark by matrix of polyethylene
Claim thickness to be not less than 1.2mm, the amount of heat in surrounding air is absorbed when hydroxide is burned, because of the reaction for heat absorption is anti-
Should；Two is the hydrone of generation, is also required to absorb amount of heat in evaporation process, this reduces the temperature of combustion site；Three
It is to generate insoluble insoluble metal oxide crust, prevents contact of the oxygen with organic matter.So fire-retardant cooling layer is to adopt
With heat absorption fire-retardant cooling is carried out with the method for oxygen barrier.
A kind of production method of mesohigh mineral matter fire-retardant fireproof cable, conductor passes through wire drawing, twisted wire, lapped insulation screen
Cover, metallic shield, stranding band, it is interior it is wrapped, grouting, it is outer it is wrapped, dress armour, sheathing and end socket packaging and obtain, specific work
Skill step is as follows：
（1）Wire drawing：Conductor uses the copper core, copper core to carry out wire drawing by wire drawing machine, through inspection after wire drawing, it is ensured that surface light
Burr, sharp edge clean, without greasy dirt, not damaged shielding and insulation, without raised or fracture single line；
（2）Twisted wire：Copper core carries out twisted wire by wire twisting machine after wire drawing, many single branch conductors is twisted into one, to copper core
Test on stock surface；
（3）Lapped insulation is shielded：On copper core stock surface, the uniform cross-linking type semi-conductive layer for extruding is used as conductor shield, and
The semiconductive material for extruding should combine closely with insulation, and semi-conductive layer surface should be smooth, without obvious twisted wire burr, should not have wedge angle,
Particle, burn with abrasive vestige, its nominal thickness is 0.6mm, and then then wrapping insulation layer uniformly extrudes friendship in insulating surface
, used as insulation screen, semi-conductive layer surface should be smooth for connection type semi-conductive layer, should not have wedge angle, particle, burn and abrasive trace
Mark；
（4）Metallic shield：Soft copper band is overlapped using shield machine wrapped in insulation shielding layer surface；
（5）Stranding band：Tightly packed using nonhygroscopic easy tear polypropylene by cable-former, filling should be nicely rounded
It is whole, the wrapped glass wool cloth band of beyond the region of objective existence is filled, put up rate not small by 20%；
（6）It is interior wrapped：Fire-resistant isinglass belt and ceramic silicone band are combined using winding machine wrapped in filler surface shape
Into heat insulation layer；
（7）Grouting：The slurry bag that magnesium hydroxide or aluminium hydroxide are formed will be mediated using grouter by matrix of polyethylene
Overlay on adiabatic layer surface；
（8）It is outer wrapped：Fire-resistant isinglass belt is coated on grouting layer surface using winding machine；
（9）Dress armour：Galvanized steel strip is used using armouring machine, galvanized steel strip bilayer sinistral coiling gap is wrapped in fireproof mica
Belt surface, gap should be not more than the 50% of width of steel band, and interior lamellar spacing should be covered by outer layer steel belt near center section；
（10）Sheathing：Smoke halogen-free flame retardant sheath material is extruded using extruder is coated on armouring layer surface；
（11）End socket is packed：After cable is through inspection and end socket Proper Packing, be put in storage.
The utility model includes flame-proof environmental protection by setting flame retardant filler, outer jacket between outer jacket and internal core
Fire-retardant cooling layer, armor and fire-retardant oversheath composition, solve medium-and-high voltage fire electric property and fire-resistance property it
Between contradiction, the cable not only has excellent electric property, and with good fire-resistance property.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the utility model cable.
1 conductor, 2 conductor shields, 3 insulating barriers, 4 insulation screens, 5 metal screen layers, 6 fillers, 7 thermal insulation in figure
Layer, 8 fire-retardant cooling layers, 9 fire-resistant isinglass belts, 10 armors, 11 LSOH anti-flaming sheaths.
Specific embodiment
As shown in the figure：A kind of mesohigh mineral matter fire-retardant fireproof cable, by some cable cores, filler 6 and fire-retardant outer
Sheath is constituted, and cable core is placed in inside fire-retardant oversheath, and each cable core is from inside to outside respectively by conductor 1, conductor shielding
Layer 2, insulating barrier 3, insulation screen 4 and metal screen layer 5 are constituted, and conductor shield 2 is evenly coated at the surface of conductor 1, insulation
Layer 3 is coated on the surface of conductor shield 2, and insulation screen 4 is evenly coated at the surface of insulating barrier 3, and metal screen layer 5 is using overlap
Wrapped soft copper band, conductor shield 2 and insulation screen 4 are cross-linking type semi-conductive layer, and filler 6 is using nonhygroscopic easy
Tear polypropylene filler, filler 6 is filled between cable core and fire-retardant oversheath, and fire-retardant oversheath is distinguished from inside to outside
Be made up of heat insulation layer 7, fire-retardant cooling layer 8, fire-resistant isinglass belt 9, armor 10 and LSOH anti-flaming sheath 11, heat insulation layer 7 by
Fire-resistant isinglass belt and ceramic silicone band are composited, and fire-retardant cooling layer 8 has mediated a large amount of magnesium hydroxides by matrix of polyethylene
Or aluminium hydroxide, fire-retardant cooling layer nominal thickness is not less than 1.2mm, a large amount of in absorption surrounding air when hydroxide is burned
Heat, because the reaction is the endothermic reaction；Two is the hydrone of generation, is also required to absorb amount of heat in evaporation process, and this just drops
The low temperature of combustion site；Three is to generate insoluble insoluble metal oxide crust, prevents connecing for oxygen and organic matter
Touch.So fire-retardant cooling layer is to carry out fire-retardant cooling using heat absorption and the method for oxygen barrier, fire-retardant cooling layer 8 is coated on heat insulation layer
7 surfaces, fire-retardant 8 surface of cooling layer set fire-resistant isinglass belt 9, and armor 10 is galvanized steel strip, galvanized steel strip double-layer spiral gap
It is wrapped on the surface of fire-resistant isinglass belt 9, LSOH anti-flaming sheath 11 is arranged on the surface of armor 10.
The production method of above-mentioned mesohigh mineral matter fire-retardant fireproof cable, conductor passes through wire drawing, twisted wire, lapped insulation screen
Cover, metallic shield, stranding band, it is interior it is wrapped, grouting, it is outer it is wrapped, dress armour, sheathing and end socket packaging and obtain, specific work
Skill step is as follows：
（1）Wire drawing：Conductor uses the copper core, copper core to carry out wire drawing by wire drawing machine, through inspection after wire drawing, it is ensured that surface light
Burr, sharp edge clean, without greasy dirt, not damaged shielding and insulation, without raised or fracture single line；
（2）Twisted wire：Copper core carries out twisted wire by wire twisting machine after wire drawing, many single branch conductors is twisted into one, to copper core
Test on stock surface；
（3）Lapped insulation is shielded：On copper core stock surface, the uniform cross-linking type semi-conductive layer for extruding is used as conductor shield, and
The semiconductive material for extruding should combine closely with insulation, and semi-conductive layer surface should be smooth, without obvious twisted wire burr, should not have wedge angle,
Particle, burn with abrasive vestige, its nominal thickness is 0.6mm, and then then wrapping insulation layer uniformly extrudes friendship in insulating surface
, used as insulation screen, semi-conductive layer surface should be smooth for connection type semi-conductive layer, should not have wedge angle, particle, burn and abrasive trace
Mark；
（4）Metallic shield：Soft copper band is overlapped using shield machine wrapped in insulation shielding layer surface；
（5）Stranding band：Tightly packed using nonhygroscopic easy tear polypropylene by cable-former, filling should be nicely rounded
It is whole, the wrapped glass wool cloth band of beyond the region of objective existence is filled, put up rate not small by 20%；
（6）It is interior wrapped：Fire-resistant isinglass belt and ceramic silicone band are combined using winding machine wrapped in filler surface shape
Into heat insulation layer；
（7）Grouting：The slurry bag that magnesium hydroxide or aluminium hydroxide are formed will be mediated using grouter by matrix of polyethylene
Overlay on adiabatic layer surface；
（8）It is outer wrapped：Fire-resistant isinglass belt is coated on grouting layer surface using winding machine；
（9）Dress armour：Galvanized steel strip is used using armouring machine, galvanized steel strip bilayer sinistral coiling gap is wrapped in fireproof mica
Belt surface, gap should be not more than the 50% of width of steel band, and interior lamellar spacing should be covered by outer layer steel belt near center section；
（10）Sheathing：Smoke halogen-free flame retardant sheath material is extruded using extruder is coated on armouring layer surface；
（11）End socket is packed：After cable is through inspection and end socket Proper Packing, be put in storage.
Claims (4)
1. a kind of mesohigh mineral matter fire-retardant fireproof cable, it is characterized in that by some cable cores, filler and fire-retardant oversheath
Composition, cable core is placed in inside fire-retardant oversheath, and each cable core is from inside to outside respectively by conductor, conductor shield, absolutely
Edge layer, insulation screen and metal screen layer composition, conductor shield are evenly coated at conductive surface, and insulating barrier is coated on conductor
Shielding layer surface, insulation screen is evenly coated at surface of insulating layer, and metal screen layer is filled using wrapped soft copper band is overlapped
Thing is filled between cable core and fire-retardant oversheath, fire-retardant oversheath from inside to outside respectively by heat insulation layer, fire-retardant cooling layer, it is resistance to
Fiery mica tape, armor and LSOH anti-flaming sheath composition, heat insulation layer by fire-resistant isinglass belt and ceramic silicone band it is compound and
Into, fire-retardant cooling layer is coated on adiabatic layer surface, and fire-retardant cooling layer surface sets fire-resistant isinglass belt, and armor is galvanized steel strip,
Galvanized steel strip double-layer spiral gap is wrapped in fireproof mica belt surface, and LSOH anti-flaming sheath is arranged on armouring layer surface.
2. the mesohigh mineral matter fire-retardant fireproof cable described in claim 1, it is characterized in that conductor shield and insulation screen
It is cross-linking type semi-conductive layer.
3. mesohigh mineral matter fire-retardant fireproof cable according to claim 1, it is characterized in that filler is using nonhygroscopic
Easily tear polypropylene filler.
4. mesohigh mineral matter fire-retardant fireproof cable according to claim 1, it is characterized in that fire-retardant cooling layer is with polyethylene
For matrix has mediated a large amount of magnesium hydroxides or aluminium hydroxide, fire-retardant cooling layer nominal thickness is not less than 1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177216.6U CN206293198U (en) | 2016-10-27 | 2016-10-27 | Mesohigh mineral matter fire-retardant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177216.6U CN206293198U (en) | 2016-10-27 | 2016-10-27 | Mesohigh mineral matter fire-retardant fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293198U true CN206293198U (en) | 2017-06-30 |
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ID=59098959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177216.6U Active CN206293198U (en) | 2016-10-27 | 2016-10-27 | Mesohigh mineral matter fire-retardant fireproof cable |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298021A (en) * | 2016-10-27 | 2017-01-04 | 河北华伦线缆有限公司 | Mesohigh mineral fire-retardant fireproof cable and production method thereof |
| CN110957072A (en) * | 2019-07-24 | 2020-04-03 | 安徽华菱新材料科技有限公司 | Special high-strength double-flame-retardant control cable for high-speed motor train unit |
| CN111653983A (en) * | 2020-05-22 | 2020-09-11 | 郑州市泰安路桥工程有限公司 | Construction process of fire-resistant mineral cable |
-
2016
- 2016-10-27 CN CN201621177216.6U patent/CN206293198U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298021A (en) * | 2016-10-27 | 2017-01-04 | 河北华伦线缆有限公司 | Mesohigh mineral fire-retardant fireproof cable and production method thereof |
| CN110957072A (en) * | 2019-07-24 | 2020-04-03 | 安徽华菱新材料科技有限公司 | Special high-strength double-flame-retardant control cable for high-speed motor train unit |
| CN111653983A (en) * | 2020-05-22 | 2020-09-11 | 郑州市泰安路桥工程有限公司 | Construction process of fire-resistant mineral cable |
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