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CN2895949Y - Steel-frame fiber-reinforced resin pipe for downhole of coal mine - Google Patents

Steel-frame fiber-reinforced resin pipe for downhole of coal mine Download PDF

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Publication number
CN2895949Y
CN2895949Y CN 200520104674 CN200520104674U CN2895949Y CN 2895949 Y CN2895949 Y CN 2895949Y CN 200520104674 CN200520104674 CN 200520104674 CN 200520104674 U CN200520104674 U CN 200520104674U CN 2895949 Y CN2895949 Y CN 2895949Y
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CN
China
Prior art keywords
steel
layer
skeleton
steel skeleton
under
Prior art date
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Expired - Lifetime
Application number
CN 200520104674
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Chinese (zh)
Inventor
伦慧东
伦慧琪
杨进友
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Individual
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Individual
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Priority to CN 200520104674 priority Critical patent/CN2895949Y/en
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Abstract

The utility model relates to an improvement to the structure of the fiber resin combined pipe for coal mine. The improved combined pipe is a composite sleeve structure which comprises an abrasion-resistant anti seepage lining, a middle load bearing layer and a surface conducting layer; wherein fixed or socket connected type flanges are provided at each end of the bushing, each layer of the structure is made by combining the fiber, the resin, the anti-flaming agent and the anti-static agent to mold by heat curing, a nanometer grade carbide and black carbon are filled between the fiber and the resin, and a reinforcing steel-frame is provided in the load bearing layer.

Description

Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mine
Technical field
The utility model belongs to the improvement to existing underground mine use fibre resin composite pipe structure design.
Background technique
Much inflammable, explosive occasion needs large-scale pipeline conveying gas, liquid even fluidized solids.The gas that a lot of pipelines are carried, liquid or liquid stateization solid itself are exactly explosives, inflammable items. and in the various delivery lines of underground mine use, as be used for the high underground air of firedamp drainage content, carry various tunnel construction materials or the like.Under this occasion, transfer conduit there is higher requirement, as anti-combustion, prevent electrostatic phenomenon, wear-resisting, anti-leakage etc.So traditional engineering discipline can only use cast iron tube, or large-diameter steel pipe.Its weight is big, and corrosion is too fast, and user cost is too high, and wear-resisting property is not outstanding.So the occasion in the needs construction is often invested greatly.Along with the raising of industrial technology, technology, pvc pipe road and fibre resin composite pipe had solved fire-retardant and antistatic problem well in the last few years.Concrete structural design is by wear-resistant antiseepage inside liner, middle stress layer, the fibre resin composite bushing that the surface conductance layer is formed, cannula tip is provided with the flange plate of fixed or set type, every layer of structure be by fiber, resin, adds composite curing moulding behind fire retardant, the anti-static agent.PVC composite pipe and fibre resin composite pipe also have been widely used in mine and similar occasion., corrosion resistance low owing to its cost is strong, reach 50 years and be subjected to great welcome working life.But along with application, significant disadvantages in having exposed, too low as the pvc pipe resistance to flexure, difficulty of construction is bigger.The fibre resin composite pipe then also has capacity of resisting impact load relatively poor except that above weakness, matter is crisp, this just causes breakage easily under rugged environment, easily to reveal and do not possess excellent safety. its wear-resisting property is also relatively poor, then shows tangible deficiency for the big gas of dust loading and the conveying of fluidized solids.
Summary of the invention
The purpose of this utility model is that the structure of the composite pipe of this resin and fiber is done further improvement design, it is being realized outside good fire-retardant and antistatic, the corrosion resistant performance energy, further improve the intensity of wear-resisting property and anti-shock loading again, thereby produce a brand-new reinforcing fiber composite resin duct products.
Basic design of the present utility model is adopted and is added the microstructure that nanometer grade calcium carbonate improves each layer, can improve the affinity between plastics and the fiber, increase the fine and closely woven degree of molecule between the plastics, thereby improve its wear-resisting property and reduce skin friction resistance, further improved the wear-resisting of its inside liner and anti-leakage performance., nano level carbon black then can improve the electric conductivity of composite bed effectively, more than is the formal technique effect of prior art.In stress layer, add metal frame,, and combine closely, produce the stronger abrasion-resistance and the elasticity of anti-shock loading, make pipeline that better bending resistance Young's modulus be arranged with fiber and resin material by the effect of calcium carbonate superfine powder.
Composite plastic pipe is the fibre resin MULTILAYER COMPOSITE sleeve pipe that formed wear-resistant antiseepage inside liner behind fiber and the resin solidification that adds fire retardant, anti-static agent, nano-calcium carbonate and nanometer carbon black, middle stress layer and surface conductance layer are formed, cannula tip is provided with the flange plate of fixed or set type, and this improved key is to add in the stress layer has also established the enhancing Steel Skeleton.
Good effect of the present utility model is that the fine structure that has changed each layer has been strengthened the adhesive strength of its tensile strength and wear-resisting property and fiber after adopting nano level calcium carbonate to add epoxy resin.Add nano level carbon black and then improved the electric conductivity of composite pipe integral body effectively.Add spiral enhancing skeleton at stress layer composite pipe bending resistance Young's modulus is strengthened, the ability of anti-shock loading is strengthened greatly.
How further specify goal of the invention of the present utility model below in conjunction with accompanying drawing realizes.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Wherein, 1 represents the surface conductance layer of composite pipe, and 2 representatives strengthen stress layer, and 2A represents the helical steel wire, and 2B represents axial ribs, and 3 represent inside liner, and 4 represent flange plate, and 4A is the through hole on the flange plate.
Embodiment
Existing composite pipe is by wear-resistant antiseepage inside liner 3, middle stress layer 2, the composite bushing structure that surface conductance layer 1 is formed, the sleeve pipe two ends are provided with flange plate 4 fixing or set type, and every layer of structure adds fire retardant by fiber, resin, composite curing moulding behind the anti-static agent, between fiber and resin, be filled with nano level calcium carbonate and nano level carbon black now,, added enhancing Steel Skeleton 2A at stress layer 2.
Strengthening Steel Skeleton 2A is spiral helicine steel wire, is left-handed or dextrorotation, or left-handedly is provided with simultaneously with dextrorotation and intersects in the stress layer 2 that is evenly distributed on enhancing.
Strengthen in the helix structure of steel-wire carcass 2A left-handed to dextrorotation to corresponding settings of spiral, respectively evenly distribute formation cross network enhancing skeleton for the 2-6 head.
What cross network strengthened skeleton axially is provided with 3 to 12 roads equally distributed straight line shape axial ribs 2B, by straight line shape axial ribs and cross network strengthen skeleton form in the middle of framework layer in the stress layer.This straight line shape axial ribs 2B adds that the enhancing steel-wire carcass of skeleton 2A that the enhancing steel wire resistance of 2-6 left hand screw shape is rented and 2-6 right-hand screw evenly distributes and combines, and forms cross network and strengthens skeleton, thereby form stronger impact resistance.The steel wire of forming skeleton 2 in implementing particularly can substitute with steel band.The wire gaze that can also finish and fibre cloth are twined the formation metal frame jointly, and the latter is common in special pipe fitting, among the structural design as the elbow threeway.
Because the increase of intensity can suitably reduce the thickness of each layer, thereby the weight of improving the back product is significantly decreased.Ratio between each layer thickness after the improvement is: the ratio of the thickness of surface conductance layer 1 and inside liner 3 and enhancing stress layer 2 is 1: 5-10: 25-50.

Claims (6)

1, a kind of Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mine, the fibre resin MULTILAYER COMPOSITE sleeve pipe of forming by formed wear-resistant antiseepage inside liner (3), middle stress layer (2) and surface conductance layer (1) behind fiber and the resin solidification that adds fire retardant, anti-static agent, nano-calcium carbonate and nanometer carbon black, cannula tip is provided with the flange plate (4) of fixed or set type, it is characterized in that having added in stress layer (2) enhancing Steel Skeleton (2A).
2, according to the said Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mine of claim 1, it is characterized in that strengthening Steel Skeleton (2A) is spiral helicine steel wire, be left-handed or dextrorotation, or left-handedly be provided with simultaneously with dextrorotation and intersect in the stress layer (2) that is evenly distributed on enhancing.
3, according to the said Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mine of claim 2, it is characterized in that as in the helix structure that strengthens steel-wire carcass (2A) left-handed to dextrorotation to the corresponding setting of spiral, respectively evenly distribute, form cross network and strengthen skeleton for the 2-6 head.
4, according to the said Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mine of claim 3, it is characterized in that along what become that cross network strengthens skeleton the equally distributed straight line shape axial ribs in 3 to 12 roads (2B) axially are set, by straight line shape axial ribs and cross network strengthen skeleton form in the middle of framework layer in the stress layer.
5,, it is characterized in that said steel wire substitutes with steel band according to claim 2 or 3 said Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mines.
6,, it is characterized in that strengthening Steel Skeleton (2A) and form for two-layer or two-layer above spiral wire net according to claim 2 or 3 said Steel Skeleton Fibre Reinforcement Resin Tube Using Under The Mines.
CN 200520104674 2005-11-22 2005-11-22 Steel-frame fiber-reinforced resin pipe for downhole of coal mine Expired - Lifetime CN2895949Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520104674 CN2895949Y (en) 2005-11-22 2005-11-22 Steel-frame fiber-reinforced resin pipe for downhole of coal mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520104674 CN2895949Y (en) 2005-11-22 2005-11-22 Steel-frame fiber-reinforced resin pipe for downhole of coal mine

Publications (1)

Publication Number Publication Date
CN2895949Y true CN2895949Y (en) 2007-05-02

Family

ID=38065525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520104674 Expired - Lifetime CN2895949Y (en) 2005-11-22 2005-11-22 Steel-frame fiber-reinforced resin pipe for downhole of coal mine

Country Status (1)

Country Link
CN (1) CN2895949Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653903A (en) * 2013-11-15 2015-05-27 尼克桑斯公司 Flexible pipeline

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653903A (en) * 2013-11-15 2015-05-27 尼克桑斯公司 Flexible pipeline

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Tangshan Jiaji Composite Pipe Corp. Ltd.

Assignor: Lun Huidong

Contract fulfillment period: 2009.5.1 to 2025.11.7

Contract record no.: 2009990000457

Denomination of utility model: Steel-frame fiber-reinforced resin pipe for downhole of coal mine

Granted publication date: 20070502

License type: Exclusive license

Record date: 20090508

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.1 TO 2025.11.7; CHANGE OF CONTRACT

Name of requester: TANGSHAN JIAJI COMPOSITE PIPE CO., LTD.

Effective date: 20090508

CX01 Expiry of patent term

Granted publication date: 20070502

EXPY Termination of patent right or utility model