CN206352693U - A kind of underground heat well pump multiple tube - Google Patents
A kind of underground heat well pump multiple tube Download PDFInfo
- Publication number
- CN206352693U CN206352693U CN201621424620.9U CN201621424620U CN206352693U CN 206352693 U CN206352693 U CN 206352693U CN 201621424620 U CN201621424620 U CN 201621424620U CN 206352693 U CN206352693 U CN 206352693U
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- CN
- China
- Prior art keywords
- layer
- multiple tube
- underground heat
- antitorque
- well pump
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model is related to a kind of underground heat well pump multiple tube; the multiple tube includes sealant, interior bone rack-layer and exterior cover sheets successively from the inside to the outside; by antitorque layer and reversely, antitorque layer is constituted the interior bone rack-layer, the antitorque layer and the metal winding pipe that reverse antitorque layer is that structure is consistent, direction of rotation is opposite;The exterior cover sheets are extruded overmolded using high-density polyethylene material.The utility model can be resistant to the moment of torsion produced in geothermal well aqueous corrosion, resistance submersible pump running, bear the pulling force of electric pump and multiple tube;It is wide that this is combined convenient pipe construction, service life length, bore scope.
Description
Technical field
The utility model is related to a kind of multiple tube, especially a kind of underground heat well pump multiple tube, belongs to composite pipe technology
Field.
Background technology
The exploitation and popularization and application of plastic tube have had the time of decades, and plastic tube is with its corrosion-resistant, wear-resistant, health
Many advantages, such as property, good circulation, energy-conserving and environment-protective, is widely used in a variety of applications.In recent years to the improvement of plastic tube performance and structure
The attention of people in the industry is obtained, a large amount of composite metal plastic pipes are continued to bring out, wherein steel wire mesh frame plastic(Polyethylene)It is compound
Pipe is the most typical.And the two kinds of steel wire mesh frame plastic composite tubes applied at present are more or less existed in enhancing structure
Defect and deficiency.Because geothermal well is in itself, it is necessary to multiple tube possesses heat-and corrosion-resistant, submersible pump running can be resisted
The moment of torsion of middle generation, bears the requirement such as pulling force of electric pump and multiple tube.
Utility model content
The purpose of this utility model is:In view of the above-mentioned problems of the prior art, proposing that one kind is rational in infrastructure, using
It is convenient, practical, being capable of the heat-resisting underground heat well pump multiple tube of corrosion resistant.
In order to reach object above, a kind of underground heat well pump multiple tube that the utility model is provided, the multiple tube is by interior
To sealant, interior bone rack-layer and exterior cover sheets are included successively outside, the interior bone rack-layer is by antitorque layer and reverse antitorque layer
Composition, the antitorque layer is the first metal winding pipe, and the reversely antitorque layer is, rotation direction consistent with the first metal winding tubular construction
The second opposite metal winding pipe;The first, second metal winding pipe is the continuous tubulose being wound that circled round by metal tape
It is overall;The exterior cover sheets are extruded overmolded using high-density polyethylene material.Antitorque layer is main by steel band extrusion forming
To be used for bearing the moment of torsion in multiple tube running, and the anti-internal pressure capability of reinforced composite pipe to a certain extent;It is reversely anti-
Turn round layer it is consistent with antitorque Rotating fields, winding pipe is oppositely oriented, two layers of complementation come bear underground heat Submersible Pump produce difference
The moment of torsion in direction, it is ensured that the torsional property of multiple tube.Exterior cover sheets use thermoplastic, are extruded and coated by special equipment
Shaping, with the corrosion of resistance to external environment condition, the advantages of resistance extraneous stress damage capability is strong.
Further, foregoing underground heat well pump multiple tube, is additionally provided with for avoiding between antitorque layer and reversely antitorque layer
The over current protection layer of the friction damage of interlayer, the over current protection layer is made of nonmetallic materials.The nonmetallic materials are
High density polyethylene (HDPE), polyamide, common high density polyethylene (HDPE) or polyvinylidene fluoride material, over current protection layer are anti-for two parts
Turn round the over current protection of interlayer, it is to avoid the friction damage of interlayer.
Further, foregoing underground heat well pump multiple tube, sealant is by high density polyethylene (HDPE), PA, PEX or PVDF material
Expect extrusion molding.Sealant is by thermoplastic extrusion plastics(Such as HDPE, PA, PEX or PVDF material)Extruded by special equipment
Shaping, media-resistant burn into is played in overall structure and bears internal fluid pressure and sealedly effect, meets Drinking Water
The safety evaluation standard of transmission & distribution wetting system and protective materials.
Further, foregoing underground heat well pump multiple tube, is reversely additionally provided with tension between antitorque layer and exterior cover sheets
Layer.
Further, foregoing underground heat well pump multiple tube, tensile layer uses week of the high strength fibre along the multiple tube
To distribution.The tensile resistance of body is lifted by this kind of structure.
Further, foregoing underground heat well pump multiple tube, multiple tube also includes pre-buried optical fiber layer, the pre-buried optical fiber layer
It is same entirety with tensile layer.The pre-buried optical fiber layer includes multigroup optical fiber, the optical fiber arrangement and fiber architecture in tensile layer
Unanimously.Different according to the different pre-buried number of fibers of size, optical fiber arrangement is consistent with fiber architecture in tensile layer, according to number of fibers
Along the circumferential direction symmetrical quantity identical traction-resistant fibre in tensile layer is chosen, optical fiber is laid jointly with these high strength fibres
In same position.Using the temperature-sensitive and induction force performance of pre-buried optical fiber, coordinate demodulator and channel switching module, can monitor at any time
And the temperature and pressure of medium in geothermal well is fed back, the parameter of 32 mouthfuls of geothermal wells can be at most monitored simultaneously.
The beneficial effects of the utility model are:The underground heat well pump multiple tube that the utility model is provided, it is rational in infrastructure, use
It is convenient, practical, can be resistant to geothermal well aqueous corrosion, resistance submersible pump running in produce moment of torsion, bear electric pump and
The pulling force of multiple tube;It is wide that this is combined convenient pipe construction, service life length, bore scope(DN50-DN150mm).Suitable for various
The underground heat well pump of type is used, and suitable for batch production, disclosure satisfy that the market demand for needing to carry out this work.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of underground heat well pump multiple tube that the present embodiment is provided, structure is as shown in figure 1, multiple tube is wrapped successively from the inside to the outside
Include sealant 1, antitorque layer 2, reversely over current protection layer 3, antitorque layer 4, tensile layer 5 and exterior cover sheets 6.Wherein antitorque layer and anti-
The interior bone rack-layer of the multiple tube is constituted to antitorque layer.
Sealant is by thermoplastic extrusion plastics(Such as HDPE, PA, PEX or PVDF material)It is extruded into by special equipment
Type, media-resistant burn into is played in overall structure and bears internal fluid pressure and sealedly effect, meets Drinking Water defeated
The safety evaluation standard of distribution apparatus and protective materials.
Antitorque layer is metal winding pipe, by steel band extrusion forming, is mainly used to bear the torsion in multiple tube running
Square, and the anti-internal pressure capability of reinforced composite pipe to a certain extent.
Reverse antitorque layer is consistent with antitorque Rotating fields, and winding pipe is oppositely oriented, and two layers of complementation is dived under water to bear geothermal well
The moment of torsion for the different directions that electric pump is produced, it is ensured that the torsional property of multiple tube.
Wherein, metal winding pipe is pressed into DOU structures, according to standard using stainless strip as raw material using particular manufacturing craft
《KS B ISO 15465 Pipework - Stripwound metal hoses and hose assemblies》《KS B
15465 pipelines of ISO-band is around metal hose and hose》Described in, DOU types are a kind of basic model that metal winds flexible pipe
Formula, to be not filled by double closing component structures), finally by being wound the continuous metal hose with greater stiffness.
Over current protection layer choosing nonmetallic materials, the over current protection for the antitorque interlayer of two parts, it is to avoid the friction of interlayer
Damage.
Tensile layer, along multiple tube circle distribution, lifts the tensile resistance of body from high strength fibre.
Pre-buried optical fiber and traction-resistant fibre are distributed in the same direction, and different according to the different pre-buried number of fibers of size, optical fiber arrangement with
Fiber architecture is consistent in tensile layer, according to along the circumferential direction symmetrical quantity identical tension is fine in number of fibers selection tensile layer
Dimension, same position is laid in by optical fiber and these high strength fibres jointly, realizes underground heat well pump multiple tube to warm in geothermal well
The measurement and monitoring of degree and pressure.
Exterior cover sheets use thermoplastic, extruded by special equipment it is overmolded, with resistance to external environment condition corrosion,
Resist the advantages of extraneous stress damage capability is strong.
The underground heat well pump multiple tube that the utility model is provided, it is rational in infrastructure, easy to use, practical, can be resistant to ground
Hot well aqueous corrosion, the pulling force resisted the moment of torsion produced in submersible pump running, bear electric pump and multiple tube;The multiple tube is applied
Work is convenient, service life length, bore scope are wide(DN50-DN150mm).Use, be suitable to suitable for various types of underground heat well pumps
Batch production, disclosure satisfy that the market demand for needing to carry out this work.
In addition to the implementation, the utility model can also have other embodiment.All use equivalent substitutions or equivalent change
The technical scheme to be formed is changed, the protection domain of the utility model requirement is all fallen within.
Claims (9)
1. a kind of underground heat well pump multiple tube, it is characterised in that:The multiple tube includes sealant, interior bone successively from the inside to the outside
Rack-layer and exterior cover sheets, by antitorque layer and reversely, antitorque layer is constituted the interior bone rack-layer, and the antitorque layer is the first metal
Winding pipe, the reversely antitorque layer is to wind the second consistent, oppositely oriented metal winding pipe of tubular construction with the first metal;It is described
First, second metal winding pipe is the continuous tubulose entirety being wound of being circled round by metal tape;The exterior cover sheets are using high
Density polyethylene materials extrusion is overmolded.
2. underground heat well pump multiple tube according to claim 1, it is characterised in that:The antitorque layer and reverse antitorque layer it
Between be additionally provided with for avoid interfacial friction damage over current protection layer.
3. underground heat well pump multiple tube according to claim 2, it is characterised in that:The over current protection layer is using nonmetallic
Material is made.
4. underground heat well pump multiple tube according to claim 3, it is characterised in that:The nonmetallic materials are poly- for high density
Ethene, polyamide, common high density polyethylene (HDPE) or polyvinylidene fluoride material.
5. underground heat well pump multiple tube according to claim 1, it is characterised in that:The sealant is by high-density polyethylene
Alkene, polyamide, common high density polyethylene (HDPE) or polyvinylidene fluoride material extrusion molding.
6. underground heat well pump multiple tube according to claim 1, it is characterised in that:The reversely antitorque layer and outer protection
Tensile layer is additionally provided between layer.
7. underground heat well pump multiple tube according to claim 6, it is characterised in that:The tensile layer includes one group along antitorque
The axial uniform high strength fibre of layer tube wall.
8. underground heat well pump multiple tube according to claim 1, it is characterised in that:The multiple tube also includes pre-buried optical fiber
Layer, the pre-buried optical fiber layer is same entirety with tensile layer.
9. underground heat well pump multiple tube according to claim 8, it is characterised in that:The pre-buried optical fiber layer includes multigroup light
Fibre, the optical fiber arrangement is consistent with fiber architecture in tensile layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621424620.9U CN206352693U (en) | 2016-12-22 | 2016-12-22 | A kind of underground heat well pump multiple tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621424620.9U CN206352693U (en) | 2016-12-22 | 2016-12-22 | A kind of underground heat well pump multiple tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206352693U true CN206352693U (en) | 2017-07-25 |
Family
ID=59349148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621424620.9U Active CN206352693U (en) | 2016-12-22 | 2016-12-22 | A kind of underground heat well pump multiple tube |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206352693U (en) |
-
2016
- 2016-12-22 CN CN201621424620.9U patent/CN206352693U/en active Active
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