CN2193953Y - Mine compound tube - Google Patents
Mine compound tube Download PDFInfo
- Publication number
- CN2193953Y CN2193953Y CN 94240455 CN94240455U CN2193953Y CN 2193953 Y CN2193953 Y CN 2193953Y CN 94240455 CN94240455 CN 94240455 CN 94240455 U CN94240455 U CN 94240455U CN 2193953 Y CN2193953 Y CN 2193953Y
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- layer
- glass fiber
- tube
- flame retardant
- transition layer
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- Expired - Fee Related
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Abstract
The utility model which is mainly suitable to be water delivering tube lines for mining has the characteristics of anti static electricity, flame resistance, high pressure resistance, corrosion resistance, etc. The mine compound tube is compounded, from an inner surface to an outer surface in turn, by a polyalkene layer, a transition layer, a flame retardant glass fiber reinforced plastic layer and an antistatic coating layer, wherein, the transition layer can reinforce the composite strength between polyolefine and glass fibre reinforced plastics. The head part of the tube can be jogged with clamping groove type steel tubes or high strength nylon joints. The utility model which has the advantages of light weight, convenient operation and good safety can be used for water delivery and oil transportation through mountains, field and beaches and low temperature high pressure tube lines for liquid transportation in chemical industry.
Description
The utility model relates generally to a kind of composite pipe that colliery and other industrial down-hole water delivery are used that is suitable for.
Conduit pipe develops into gradually to mould Dai Gang under the coal mine at present, corrosion resistant performance with glass fibre reinforced plastics replaces the frequent deficiency of the perishable replacing of steel pipe, but its safety and reliability are relatively poor, national departments concerned has strict regulation to this, pipeline must have performances such as antistatic, fire-retardant, withstand voltage, corrosion-resistant, and at present the nonmetal conduit pipe that meets these conditions is not arranged also, mainly be from withstand voltage, corrosion-resistant consideration.Production technology and prescription as the disclosed a kind of high-pressure anticorrosion pipeline of CN90103492, it mainly is that epoxy resin is adjust and reform to behind the modified resin according to different proportionings with unsaturated polyester resin, add other composite material and high strength alkali-free glass fibre again, in mould, compress the high-pressure anticorrosion Glass Steel Tube that forms various models through mechanization at a certain temperature, it has rotproofness preferably, impact resistance, withstand voltage, the advantage of easy construction, but because the glass fibre reinforced plastics body is easily by the mechanicalness breakage, cause glass fiber cloth to be exposed in the medium, increase fluid resistance, thereby increased kinetic equation loss.On the other hand, because nonmetal glass fibre reinforced plastics is in the tube head joint, general using flange-type, spigot and socket type, envelope formula connect, be subjected to mechanicalness percussion breakage easily, and the influence of pipeline high pressure and problem such as leakage occurs, safety reliability is poor, and it does not have antistatic, flame retardant property, when the fire damp gas content was higher, plastic article can cause gas explosion because of static spark, and the static possibility of hurting sb.'s feelings.
The purpose of this utility model provides a kind of energy composite pipe antistatic, fire-retardant, high pressure resistant, corrosion-resistant, safe and convenient to use.
The purpose of this utility model realizes in the following way:
This composite pipe is closely compound by polyolefin layer, transition layer, flame retardant glass fiber reinforced plastic layer, antistatic coating successively from the inner surface to outer surface to be one, transition layer is for being with the alkali-free glass fiber cloth of moulding a plastic cement adhesive layer, this glass fiber cloth and gluing the connecing of glass fibre reinforced plastics that forms the flame retardant glass fiber reinforced plastic layer.
As the down-hole conduit pipe, general pipeline is very long, can be formed by connecting by some above-mentioned composite pipes, for this reason at chimeric groove-fastening type steel pipe of tube head part or high-strength nylon joint.
Fig. 1 is the structural representation of the utility model band tube head.
Among the figure: 1 polyolefin, 2 transition layers, 3 steel pipe joints, 4 frp layers, 5 antistatic coatings
(1) polyolefin substrate pipe: adopt polyethylene, polypropylene or polypropylene-polyethylene modification mixed plastic pipe, as the anticorrosion contact medium layer of internal layer of composite pipe, acid resistant alkali, smooth surface, fluid resistance is little, simultaneously safety glass steel layer.
(2) transition layer: be used for polyolefin 1 and glass fibre reinforced plastics 4 are compound in one, increase the combined strength bination between them, can adopt EVA hot melt adhesive, MAP type hot melt adhesive etc. to be applied on the high strength alkali-free glass fiber cloth, by heating that it is multiple on the polyolefin substrate pipe.
(3) steel pipe or high-strength nylon joint: on the glass fiber cloth of the transition layer at tube head position, coat fiber glass resin, tightly serve as a contrast groove-fastening type steel pipe or high-strength nylon joint 3 then, its collar extension is concordant with the collar extension of composite pipe, so that metal does not contact with medium, adopt the pipe joint 3 of this mode, the rim of the mouth formula connects the high pressure resistant intensity that (connecting by a suitable connector in addition) increased the composite pipe connection part between the tube and tube, safety reliability is good, anti-mechanical shock ability is strong, connect and set up conveniently, avoided flange-type, spigot and socket type, closed grade makes resistance to pressure lower, the shortcoming of poor stability.Because when high pressure uses, often in the joint of pipe problems such as infiltration appear.
(4) flame retardant glass fiber reinforced plastic layer: on the pipe joint 3 at the glass fiber cloth of transition layer 2 and tube head position, coat flame retardant type glass fibre reinforced plastics glue composite high-strength glass fiber cloth then, the flame retardant glass fiber reinforced plastic of glass fibre reinforced plastics glue and the bonding formation desired thickness of glass fiber cloth layering like this, solidify down at 50～60 ℃ then, improve the intensity of glass fibre reinforced plastics.
(5) antistatic coating: the above-mentioned composite glass steel pipe surface that is cured is coated with one deck antistatic coating, forms antistatic layer, antistatic coating is the good epoxies of adhesion.Its sheet resistance value＜1.0＜10 ° Ω.
The utlity model has excellent acid-alkali-corrosive-resisting performance, fluid resistance is little, withstand voltage height, intensity height, antistatic, fire resistance is good, and is in light weight, easy to use, safe and reliable, be the defeated comparatively ideal piping material of draining in colliery, also can be used for mountain region, field, seabeach water delivery oil transportation use and chemical industry cryogenic high pressure transfer line, particularly emergent fast erecting is easy to use.
Claims (2)
1, a kind of mining composite pipe, it is characterized in that from the inner surface to outer surface successively by polyolefin layer (1), transition layer (2), flame retardant glass fiber reinforced plastic layer (3), antistatic coating (4) is closely compound to be one, transition layer (2) is for being with the alkali-free glass fiber cloth of moulding a plastic cement adhesive layer, this glass fiber cloth and gluing the connecing of glass fibre reinforced plastics that forms flame retardant glass fiber reinforced plastic layer (3).
2, composite pipe according to claim 1 is characterised in that chimeric groove-fastening type steel pipe or high-strength nylon joint (5) at the tube head position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94240455 CN2193953Y (en) | 1994-05-17 | 1994-05-17 | Mine compound tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94240455 CN2193953Y (en) | 1994-05-17 | 1994-05-17 | Mine compound tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2193953Y true CN2193953Y (en) | 1995-04-05 |
Family
ID=33847445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94240455 Expired - Fee Related CN2193953Y (en) | 1994-05-17 | 1994-05-17 | Mine compound tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2193953Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506239A (en) * | 2011-09-22 | 2012-06-20 | 六枝特区华兴管业制品有限公司 | Mining gas draining tube |
| CN103899851A (en) * | 2013-12-20 | 2014-07-02 | 卢希然 | Novel glass fiber reinforced plastic composite pipe |
| CN106368744A (en) * | 2016-08-31 | 2017-02-01 | 泰豪科技股份有限公司 | Turbine generator and liquid nitrogen transport pipe manufacturing process for turbine generator |
| CN107328265A (en) * | 2017-07-31 | 2017-11-07 | 南京通用化工设备技术研究院 | A kind of high-voltage-resistant anti-corrosion condenser |
-
1994
- 1994-05-17 CN CN 94240455 patent/CN2193953Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506239A (en) * | 2011-09-22 | 2012-06-20 | 六枝特区华兴管业制品有限公司 | Mining gas draining tube |
| CN102506239B (en) * | 2011-09-22 | 2013-06-12 | 六枝特区华兴管业制品有限公司 | Mining gas draining tube |
| CN103899851A (en) * | 2013-12-20 | 2014-07-02 | 卢希然 | Novel glass fiber reinforced plastic composite pipe |
| CN106368744A (en) * | 2016-08-31 | 2017-02-01 | 泰豪科技股份有限公司 | Turbine generator and liquid nitrogen transport pipe manufacturing process for turbine generator |
| CN107328265A (en) * | 2017-07-31 | 2017-11-07 | 南京通用化工设备技术研究院 | A kind of high-voltage-resistant anti-corrosion condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |