CN106402519A - Flexible water pipe resistant to abrasion, high temperature and high pressure and capable of remotely extinguishing power transmission line forest fire - Google Patents
Flexible water pipe resistant to abrasion, high temperature and high pressure and capable of remotely extinguishing power transmission line forest fire Download PDFInfo
- Publication number
- CN106402519A CN106402519A CN201610887345.2A CN201610887345A CN106402519A CN 106402519 A CN106402519 A CN 106402519A CN 201610887345 A CN201610887345 A CN 201610887345A CN 106402519 A CN106402519 A CN 106402519A
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- layer
- resistant
- transmission line
- water pipe
- forest fire
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a flexible water pipe resistant to abrasion, high temperature and high pressure and capable of remotely extinguishing a power transmission line forest fire. The water pipe comprises three layers from inside to outside, wherein the innermost layer is the polyurethane-PVC composite layer, the middle layer is the synthetic fiber layer, the outermost layer is the polyester cotton layer, the middle layer and the outermost layer are both formed by strings in a woven mode, and the innermost layer and the middle layer are bonded together. The polyurethane-PVC composite layer is prepared from, by mass, 15-20 parts of thermoplastic polyurethane, 62-72 parts of PVC, 8-12 parts of DOP, 1-5 parts of heat stabilizers and 1-2 parts of copper salt in a compound mode. The water pipe has high pressure bearing capacity and meets the requirement for transmission pressure required by overhead extinguishing of the power transmission line forest fire; the liner is made of the polyurethane-PVC composite so as to be prevented from being corroded by efficient extinguishing fluid, the mechanical performance of the water pipe is improved, and the service life of the water pipe is prolonged; and the polyester cotton on the outer layer has good high temperature resistance and flame resistance, and the water pipe is prevented from being burnt out at a high-temperature fire scene.
Description
Technical field
The invention belongs to transmission line forest fire Prevention Technique field is and in particular to one kind puts out transmission line forest fire at a distance
With the high pressure resistant flexible water conduit of Wear-resistant, high-temperature resistant.
Background technology
In recent years, nearby mountain fire frequently causes line tripping to transmission line of electricity, has a strong impact on the safe and stable operation of electrical network.Right
Electrical network mountain fire is puted out a fire to save life and property, and is the most direct, the maximally effective technological means preventing transmission line of electricity from tripping because of mountain fire.But due to transmission of electricity
Circuit scene is in more than 100 meters high mountains, and Qie Podou road danger, vehicle cannot reach, accordingly, it would be desirable to use high-pressure water pipe remote conveying
Water is put out a fire to mountain fire scene, and usual pressure is up to 15MPa.
Therefore, the preventing and treating of transmission line forest fire adopts high-pressure fire extinguishing apparatus, but existing common fire extinguisher canvas hose is supporting to be made
With there arises a problem that：(1) mountain fire point water resources shortage nearby, common fire-fighting water distributor standard gauge is 40mm, residual in water pipe
Remaining water is big, serious waste water resource, and fire-fighting water use efficiency is low；(2) the usual position of mountain fire point is higher, and fire water conveying must be adopted
With high-pressure fire extinguishing apparatus, common used in fire-fighting cloth fire extinguisher canvas hose bearing capacity is 4Mpa to the maximum, voltage endurance capability not, if used
In high-voltage field credit union, explosion, leakage occur；(3) because the extinguishing fluid that transmission line forest fire fire extinguishing equipment uses has weak acid alkali
Property, mostly using the material such as rubber or PVC, resistance to acids and bases is poor, and slickness is not good for common fire extinguisher canvas hose, although polyurethane material
Acid-proof alkaline is good, but price is costly；(4) high-pressure water pipe onsite application needs bending to connect and collects to deposit, and needs very
Good flexibility, current market high-voltage tube, in order to increase pressure performance, adds steel wire or other metal materials, or adopts hard rubber
Glue, is all difficult to bend, and receives and keeps during inconvenience fire extinguishing after water pipe bending and fire extinguishing.As patent application CN105169609A employs metal
Fire-retardant stratum reticulare increases voltage endurance capability, and patent application CN 202017826U is wrapped the steel with high tensile power in the outside of water pipe
Silk is increasing voltage endurance capability, but these products are not all flexible, and flexibility difference is it is impossible to meet remote demand of putting out a fire.
Content of the invention
It is an object of the present invention to provide one kind puts out transmission line forest fire water pipe at a distance, this water pipe be wear-resisting,
High temperature resistant, high pressure, flexible water conduit can be born.
The technical scheme is that：One kind puts out transmission line forest fire Wear-resistant, high-temperature resistant high pressure resistant flexibility water at a distance
Pipe, this water pipe includes three layers from inside to outside, and innermost layer is polyurethane-PVC composite layer, and intermediate layer is synthetic fiber layer,
Outer layer is polyester cotton layer, and intermediate layer and outermost layer are formed by cord braiding, and innermost layer is together with interlayer cohesive；
Thermoplastic polyurethane that described polyurethane-PVC composite layer is 15～20 parts by mass parts, 62～72 parts
The mantoquita of PVC, 8～12 parts of DOP, 1～5 part of heat stabilizer and 1～2 part is combined and is prepared from.
Described polyurethane-PVC composite layer prepares through following step：Will be pre- to PVC, DOP, heat stabilizer and mantoquita
Plasticizing, is subsequently adding thermoplastic polyurethane mixing, is ultimately molded onto type.
Described heat stabilizer is dibutyl tin laurate, and described mantoquita is anhydrous cupric sulfate.
Described preformed turns to preplasticizing 15～20min at 95～105 DEG C.
In a specific embodiment, thermoplastic polyurethane is first vacuum dried 5～8h at 60～80 DEG C, then by its with pre-
PVC after plasticizing, DOP, heat stabilizer and mantoquita mixing, melting temperature is 150～180 DEG C.
In a specific embodiment, innermost layer thickness is 0.8～1.2mm, and intermediate layer thickness is 1～1.5mm, outermost layer
Thickness 1.2～1.6mm；Water pipe internal diameter 12～15mm.
In a specific embodiment, synthetic fibers described in intermediate layer are polyster fibre；The per share synthetic fibers in intermediate layer are thin
Rope diameter 0.08～0.12mm, is formed with 120～160 bursts of synthetic fibers cord braidings.
In a specific embodiment, outermost layer per share polyester cotton cord diameter 0.08～0.12mm, with 140～170 strands
The braiding of flame retardant polyester cotton cord forms.
In a specific embodiment, innermost layer and intermediate layer are bonded together by heating, and outermost layer is enclosed within intermediate layer
Outward.
The present invention has following beneficial effect：
1st, water pipe bearing capacity is strong, can bear high-pressure fire extinguishing apparatus 15MPa pressure, more current highest pressure-bearing fire extinguisher canvas hose
Improve 2.75 times, meet discharge pressure requirement needed for the fire extinguishing of transmission line forest fire high mountain；
2nd, inner bag adopts new polyurethane-PVC composite, compares General Purpose Rubber and PVC material, possesses anticorrosion, water
Flow resistance power is little, mechanicalness is strong, the performance of good airproof performance, prevents the corrosion of high-effect fire-extinguishing liquid, improve water pipe mechanical performance and
Service life, reduces the pressure loss of water pipe, simultaneously relative to polyurethane material, low cost, and good economy performance.
3rd, outer layer polyester cotton is compared common cotton and has good resistance to elevated temperatures and fire resistance, and anti-antipriming pipe is in high temp fire
Field scaling loss.
4th, water pipe is wear-resistant, can use in mountain region, long service life.
5th, water pipe is flexible, and bending property is good, is suitable for the scene various bending in application scenario, convenient retracted arrangement.
6th, in a preferred embodiment, water pipe bore is little, using light, reduces water pipe reservoir storage, compared with standard fire extinguisher canvas hose
Using water wisely 89.44%, improves the utilization rate of fire-fighting water preparation.
Brief description
Fig. 1 is the structure chart of the heavy pressure fine spray matched with devices fire extinguisher canvas hose of one specific embodiment of the present invention, in figure
It is denoted as：
1 polyurethane-PVC composite layer；
2 synthetic fiber layers；
3 polyester cotton layers.
Specific embodiment
Polyester cotton used by the present invention (i.e. polyester staple fiber), and raw materials used polyester-type thermoplastic polyurethane, PVC, DOP
(dioctyl phthalate) and dibutyl tin laurate heat stabilizer are all commercially available.
The preparation of embodiment 1 polyurethane-PVC composite
The present embodiment is by the polyester-type thermoplastic polyurethane of 16% (quality), 70% PVC material, 10% DOP and 2%
Dibutyl tin laurate heat stabilizer, 2% anhydrous cupric sulfate produced with combination form.
The preparation method of polyurethane-PVC composite is：
1) preplasticizing of PVC：First by the PVC material of 70 parts (weight portions), 10 parts of DOP, 2 parts of tin dilaurate during preplasticizing
Dibutyl tin and 2 parts of anhydrous cupric sulfate mix homogeneously put into baking oven, preplasticizing 15～20min at 100 DEG C.During preplasticizing
Every 5 minutes about, material is taken out baking oven to stir once.
2) preparation of PVC/TPU (Polyurethane Thermoplastic Elastomer) blend：16 parts of thermoplastic poly ammonia are weighed according to formula
Ester, it is vacuum dried in 60～80 DEG C of baking ovens 5～8h.By dried 16 parts of thermoplastic polyurethanes and 84 parts of preplasticizings
PVC, DOP, dibutyl tin laurate and anhydrous slufuric acid copper mixture put in plastics processing mill, and plastics processing mill roller is warming up to 160
℃.Start plastics processing mill, mixing is uniformly.
3) PVC/TPU kneading blend is put in injection machine, adjust the temperature to 160 DEG C, injection extrusion is managed
Type internal layer.
The present invention adds anhydrous cupric sulfate in polyurethane-PVC composite, using the ammonia in copper ion and polyurethane
The complexing between chlorine atom in base, PVC, strengthens the compatibility between polyurethane and PVC, improves the machinery of composite
Performance.
The preparation of embodiment 2 polyurethane-PVC composite
The present embodiment is by the thermoplastic polyurethane of 20 parts (quality), 65 parts of PVC material, 8 parts of DOP and 5 part of two Laurel
Sour dibutyl tin heat stabilizer, 2 parts of anhydrous cupric sulfate produced with combination form.
In addition to the amount that each component adds, the preparation method of polyurethane-PVC composite of the present embodiment and embodiment 1 phase
With.
The preparation of embodiment 3 polyurethane-PVC composite
The present embodiment is by the thermoplastic polyurethane of 18 parts (quality), 68 parts of PVC material, 12 parts of DOP and 1 part of two Laurel
Sour dibutyl tin heat stabilizer, 1 part of anhydrous cupric chloride produced with combination form.
In addition to the amount that each component adds, the preparation method of polyurethane-PVC composite of the present embodiment and embodiment 1 phase
With.
Embodiment 4 puts out transmission line forest fire water pipe at a distance
As Fig. 1, the water pipe of one specific embodiment of the present invention is three-decker.
Ground floor (internal layer) is polyurethane-PVC composite layer 1, and thickness is 1mm.The present embodiment is prepared using embodiment 1
Polyurethane-PVC composite.This layer has good acid-proof alkaline, mechanical performance and sealing property, prevents extinguishing chemical pair
The corrosion and ageing that water pipe causes, cost is relatively low simultaneously.
The second layer (intermediate layer) is synthetic fiber layer 2.This layer is formed using polyster fibre braiding.Preferably implement at one
In mode, per share synthetic fibers cord diameter 0.1mm, formed with 144 bursts of synthetic fibers cord braidings, synthetic fiber layer thickness is
1.2mm.This layer of mechanical tenacity is good, and compressive resistance is high.
Third layer (outer layer) is polyester cotton layer 3.In one preferred embodiment, per share polyester cotton cord diameter
0.1mm, is formed with 156 bursts of flame retardant polyester cotton cord braidings, flame retardant polyester cotton layer thickness 1.4mm.This layer has good pressure-bearing
Performance, has fire resistance simultaneously, prevents scene of a fire high temperature injury water pipe.
Ground floor and the second layer, through high-temperature process, are bonded together, and third layer entangles the second layer.
The present embodiment water pipe is used with high-pressure extinction matching equipment, and armament-related work pressure is big.Therefore, the poly- ammonia that inner bag adopts
Ester-PVC composite has high pressure resistant, small flow resistance, reduces pressure loss to greatest extent.Due to adding in fire water
High-efficiency fire-extinguishant, polyurethane-PVC composite has acid and alkali-resistance, anticorrosion, ageing-resistant performance, and good economy performance, meets
The etch-proof performance of high-efficiency fire-extinguishant.
Second layer synthetic fibers and third layer polyester cotton adopt weave, can be with pressure-bearing 15Mpa, more current highest fire water
Pipe pressure-bearing 4MPa improves 2.75 times, thus can ensure that fire extinguishing water preparation is transported to transmission line of electricity high mountain by fire extinguishing equipment high pressure output
Put out a fire in scene.
By 6 kinds of samples of water pipe of the present embodiment, stress test is carried out using steam press, records the burst pressure of water pipe
Meansigma methodss are 20.13MPa.Result of the test is as follows：
Table 1 embodiment 4 sample strain test result
The present embodiment water pipe has anti-wear performance simultaneously, and double-deck establishment preferably protects inner bag, extends water pipe service life,
It is provided simultaneously with resistance to elevated temperatures.
In one preferred embodiment, water pipe internal diameter 13mm of the present invention, substantially reduces water loss more than water pipe, more commonly
Residual water saved by 40mm water pipe：
In formula, l is length of pipe.
With respect to current fire extinguisher canvas hose, water pipe of the present invention has the advantages that water saving, high pressure resistant, heat-resistant, wear-resistant, can meet defeated
Electric line high mountain fire extinguishing demand.
Claims (9)
1. one kind put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance it is characterised in that：
This water pipe includes three layers from inside to outside, and innermost layer is polyurethane-PVC composite layer, and intermediate layer is synthetic fiber layer,
Outer layer is polyester cotton layer, and intermediate layer and outermost layer are formed by cord braiding, and innermost layer is together with interlayer cohesive；
Thermoplastic polyurethane that described polyurethane-PVC composite layer is 15～20 parts by mass parts, 62～72 parts of PVC, 8
The mantoquita of～12 parts of DOP, 1～5 part of heat stabilizer and 1～2 part is combined and is prepared from.
2. according to claim 1 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance, its
It is characterised by that described polyurethane-PVC composite layer prepares through following step：Will be pre- to PVC, DOP, heat stabilizer and mantoquita
Plasticizing, is subsequently adding thermoplastic polyurethane mixing, is ultimately molded onto type.
3. according to claim 1 and 2 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance,
It is characterized in that described heat stabilizer is dibutyl tin laurate, described mantoquita is anhydrous cupric sulfate.
4. according to claim 2 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance, its
It is characterised by that described preformed turns to preplasticizing 15～20min at 95～105 DEG C.
5. put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance according to claim 2 or 4,
It is characterized in that thermoplastic polyurethane is first vacuum dried 5～8h at 60～80 DEG C, then by its with preplasticizing after PVC, DOP,
Heat stabilizer and mantoquita mixing, melting temperature is 150～180 DEG C.
6. according to claim 1 and 2 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance,
It is characterized in that innermost layer thickness is 0.8～1.2mm, intermediate layer thickness is 1～1.5mm, outermost layer thickness 1.2～1.6mm；Water
Bore 12～15mm.
7. according to claim 1 and 2 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance,
It is characterized in that synthetic fibers described in intermediate layer are polyster fibre；Intermediate layer per share synthetic fibers cord diameter 0.08～
0.12mm, is formed with 120～160 bursts of synthetic fibers cord braidings.
8. according to claim 1 and 2 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance,
It is characterized in that outermost layer per share polyester cotton cord diameter 0.08～0.12mm, woven with 140～170 strands of flame retardant polyester cotton cords
Form.
9. according to claim 1 and 2 put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance,
It is characterized in that innermost layer and intermediate layer are bonded together by heating, outermost layer is enclosed within outside intermediate layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887345.2A CN106402519B (en) | 2016-10-11 | 2016-10-11 | Put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887345.2A CN106402519B (en) | 2016-10-11 | 2016-10-11 | Put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402519A true CN106402519A (en) | 2017-02-15 |
| CN106402519B CN106402519B (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610887345.2A Active CN106402519B (en) | 2016-10-11 | 2016-10-11 | Put out the high pressure resistant flexible water conduit of transmission line forest fire Wear-resistant, high-temperature resistant at a distance |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434733A (en) * | 2011-11-30 | 2012-05-02 | 泉州市三星消防设备有限公司 | Water hose for firefighting and preparation method thereof |
| MX2011002212A (en) * | 2011-01-24 | 2012-07-23 | Gates Corp | Flame resistant hose construction and method. |
| CN103206581A (en) * | 2013-04-27 | 2013-07-17 | 宝应县伟业管带厂 | Ultrahigh-pressure fire-fighting hose |
| CN104387707A (en) * | 2014-12-16 | 2015-03-04 | 钟再华 | Ultra-low-temperature-resistant high-toughness flame-retardant fire hose lining rubber tube and preparation method thereof |
-
2016
- 2016-10-11 CN CN201610887345.2A patent/CN106402519B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2011002212A (en) * | 2011-01-24 | 2012-07-23 | Gates Corp | Flame resistant hose construction and method. |
| CN102434733A (en) * | 2011-11-30 | 2012-05-02 | 泉州市三星消防设备有限公司 | Water hose for firefighting and preparation method thereof |
| CN103206581A (en) * | 2013-04-27 | 2013-07-17 | 宝应县伟业管带厂 | Ultrahigh-pressure fire-fighting hose |
| CN104387707A (en) * | 2014-12-16 | 2015-03-04 | 钟再华 | Ultra-low-temperature-resistant high-toughness flame-retardant fire hose lining rubber tube and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106402519B (en) | 2017-07-04 |
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