CN201897018U

CN201897018U - Double-pipe body oil delivery pipe

Info

Publication number: CN201897018U
Application number: CN2010202900581U
Authority: CN
Inventors: 王平; 吴平; 张志勇
Original assignee: Jiangsu Pacific Rubber Co Ltd
Current assignee: Jiangsu Pacific Rubber Co Ltd
Priority date: 2010-08-13
Filing date: 2010-08-13
Publication date: 2011-07-13
Anticipated expiration: 2020-08-13

Abstract

A double-pipe body oil delivery pipe comprises a rubber pipeline (2), a barrel (5) and a flange (1), wherein the barrel (5) and the flange (1) are fixed at two ends of the pipeline and are welded together with the pipeline; and the rubber pipeline (2) is of a double-pipe body multilayer structure. The double-pipe body oil delivery pipe is characterized in that a fixing ring (4) is welded on the barrel (5); a guide pressure hole (3) is arranged at the connecting part of the fixing ring and the barrel; and a leakage alarm device (21) is arranged close to the flange (1). The double-pipe body oil delivery pipe has the advantages that the double-pipe body oil delivery is realized, the novel intelligent leakage alarm device is added, the sealing and flexible properties of the pipe body are maintained, the delivery capacity of the pipe body is enhanced, and the oil delivery pipe is safer and more convenient to use, and is more scientific and more environmentally friendly.

Description

Two-tube body transport pipe

Technical field

The utility model relates to a kind of two-tube body transport pipe that is used for oil transportation engineering conveying crude oil and liquid petroleum goods.

Technical background

Along with the use and the development of transport pipe, to Security and the reliability that former wet goods is carried, have higher requirement, often occur during particularly offshore oil is carried leaking, caused very big economic loss, simultaneously environment has also been caused great pollution.Therefore, appealing in the industry to have a kind of new product, has higher Security and reliability, when breaking down, still can proper functioning, and can avoid the generation of leaking, and can also give the alarm, notify the related personnel to handle.

Summary of the invention

In order to realize above function, the utility model provides a kind of two-tube body transport pipe.This two-tube body transport pipe has dual sealability, and can keep the performance that deflects of body, and the leakage alarm system of intelligence is arranged again, has better transportation performance and Safety performance.

The technical solution of the utility model realizes in the following manner:

Two-tube body transport pipe, comprise one section rubber tubing and the flange that is fixed on the cylindrical shell that welds together with it of pipe ends, rubber tubing is two-tube body multi-layer structure, this multi-layer structure includes the oil resistant layer I of innermost layer from inside to outside, be wrapped in the outer back-up coat of oil resistant layer I, paste the oil resistant layer II outside back-up coat, paste the transition layer I outside oil resistant layer II, be wrapped in the outer framework layer I of transition layer I, be wrapped in the outer conduction back-up coat of framework layer I, be wrapped in the outer enhancement layer of conduction back-up coat, paste the interior outer covering layer outside enhancement layer, the outer buffer layer of outer covering layer pastes the oil resistant layer III outside buffer layer in being wrapped in, paste the transition layer II outside oil resistant layer III, be wrapped in the outer framework layer II of transition layer II, paste the outer covering layer outside the framework layer II, it is characterized in that: be welded with retaining ring on the cylindrical shell, be provided with pressure guide hole at retaining ring and cylindrical shell joint, be provided with leakage warning device near the metal flange place.

Described pressure guide hole is communicated with the buffer layer in the body, and is communicated to leakage warning device.

Described buffer layer constitutes first body with interior each layer, and each outside the buffer layer layer constituted second body.

Described flange, cylindrical shell, retaining ring all are to be formed by metal material processing, and the part surface that contacts with rubber on flange, retaining ring and the cylindrical shell all scribbles organic bond.

Described oil resistant layer I, oil resistant layer II, oil resistant layer III all are that the glue stuff compounding based on nitrile butadiene rubber forms through sulfuration.

Described back-up coat is made up of high-intensity reticular fibre cord fabric.

Described transition layer I, transition layer II all are that the glue stuff compounding based on nitrile butadiene rubber, neoprene forms through sulfuration.

Described framework layer I, framework layer II, enhancement layer all are made up of the fiber cord fabric of the two-sided kiss-coating of multilayer, and stop and be fixed on the cylindrical shell at two ends, by fixedly Fixation With Steel Wire.

Described conduction back-up coat is to be wrapped on the body with a determining deviation by high-intensity Spring Steel Wire, and stops being fixed on the cylindrical shell of two ends, all is filled with elastomeric compound between reaching around the Spring Steel Wire.

Outer covering layer is that to have age inhibiting NR be that main glue stuff compounding forms through sulfuration in described.

Described buffer layer is made up of the hole-opening foaming material.

Described outer covering layer is that to have age inhibiting NR be that main glue stuff compounding alternately twines applying with the multi-layer fiber cord fabric and forms.

Basic structure characteristics of the present utility model are: 1) compare with traditional transport pipe, increased a body outside body, have two-tube body; 2) between two bodys, increased a buffer layer; 3) on body, be provided with pressure guide hole and leakage warning device.When first body produced leakage, the oil of being carried will enter buffer layer, and second body just begins to work, and kept performance of feeding oil; And oil can slowly be penetrated into the cylindrical shell end by buffer layer under pressure, just can flow to leakage warning device through pressure guide hole, and leakage warning device just begins to report to the police after sensing pressure, and the external world just can know that body has leaked like this.

Below in conjunction with accompanying drawing enforcement of the present utility model is described further.

Description of drawings

Fig. 1 is an overall appearance schematic representation of the present utility model.

Fig. 2 is a tube wall hierarchy schematic representation of the present utility model.

Embodiment:

As shown in Figure 1, two-tube body transport pipe of the present utility model is made up of with the metal flange 1 that its two ends band is connected cylindrical shell 5 one section rubber tubing 2.

As shown in Figure 2, be the structural representation of rubber tubing.Pipeline of the present utility model is two-tube body multi-layer structure, its tube wall is followed successively by oil resistant layer I 6 from inside to outside, is wrapped in the back-up coat 7 outside the oil resistant layer I 6, paste the oil resistant layer II 8 outside back-up coat 7, paste the transition layer I 9 outside oil resistant layer II 8, be wrapped in the framework layer I 10 outside the transition layer I 9, be wrapped in the conduction back-up coat 11 outside the framework layer I 10, back-up coat mainly act as the compactness and stability of strengthening the oil resistant layer; Be wrapped in the enhancement layer 13 outside the conduction back-up coat 11, paste the interior outer covering layer 14 outside enhancement layer 13, buffer layer 15 in being wrapped in outside the outer covering layer 14, paste the oil resistant layer III 16 outside buffer layer 15, paste the transition layer II 17 outside oil resistant layer III 16, be wrapped in the framework layer II 18 outside the transition layer 17, paste the outer covering layer 19 outside framework layer 18.

Be welded with a plurality of retaining rings 4 on the cylindrical shell 5, and be provided with pressure guide hole 3 and leakage warning device 21.Pressure guide hole 3 is communicated to the buffer layer 15 in the body, and is communicated to leakage warning device 21.All scribble organic bond with the rubber junction on cylindrical shell 5, the retaining ring 4.

Entire body is with a determining deviation winding spring steel wire 12 in the conduction back-up coat 11, and stops being fixed in cylindrical shell 5 and reinforcing ring 4 places, around the Spring Steel Wire 12 and between all be filled with elastomeric compound.Spring Steel Wire 12 can be led away the static that body produces in the course of the work, discharges static by cylindrical shell 5, can also bear the partial pressure that transmits in the framework layer 10 simultaneously.

Framework layer I 10, enhancement layer 13, framework layer II 18 all are that entire body is wrapped on the body, and stop being fixed on the cylindrical shell 5 at two ends by fixedly steel wire 20 is fixing.Buffer layer 15 has been formed first body with interior oil resistant layer I 6, back-up coat 7, oil resistant layer II 8, transition layer I 9, framework layer I 10, conduction back-up coat 11, enhancement layer 13, interior outer covering layer 14, is the groundwork body.Oil resistant layer III 16, transition layer II 17, framework layer II 18, outer covering layer 19 have been formed second body beyond the buffer layer 15, are the back work body.These two bodys all have sealing, load performance, can both carry oil plant.When first body takes place damaged and leaks, the oil of being carried can enter buffer layer 15, and at this moment second body just can play a role, and prevents oil leakage to the body external world, and keeps normal oil transportation; And oil can slowly be penetrated into the pressure guide hole 3 that connects with buffer layer 15 under pressure, can continue to flow to leakage warning device 21 by pressure guide hole 3 oil, and like this, leakage warning device 21 will give the alarm.

Oil resistant layer I, oil resistant layer II, oil resistant layer III all are that the glue stuff compounding based on nitrile butadiene rubber forms through sulfuration; Back-up coat is made up of high-intensity reticular fibre cord fabric; Transition layer I, transition layer II all are that the glue stuff compounding based on nitrile butadiene rubber, neoprene forms through sulfuration; Framework layer I, framework layer II, enhancement layer all are made up of the fiber cord fabric of the two-sided kiss-coating of multilayer; Interior outer covering layer is that the NR with anti ageing property is that main glue stuff compounding forms through sulfuration; Buffer layer is made up of the hole-opening foaming material; Outer covering layer is that to have age inhibiting NR be that main glue stuff compounding alternately twines applying with the multi-layer fiber cord fabric and forms.

The utility model has been realized two-tube body oil transportation, and has set up the novel intelligent leakage warning device, kept body sealability, deflect performance, strengthened the conveying capacity of body, use safer, more convenient, more science, more environmental protection.

Claims

1. two-tube body transport pipe, comprise one section rubber tubing (2) and be fixed on the cylindrical shell that welds together with it (5) and the flange (1) of pipe ends, rubber tubing (2) is two-tube body multi-layer structure, this multi-layer structure includes the oil resistant layer I (6) of innermost layer from inside to outside, be wrapped in the outer back-up coat (7) of oil resistant layer I (6), paste the oil resistant layer II (8) outside back-up coat, paste the transition layer I (9) outside oil resistant layer II, be wrapped in the outer framework layer I (10) of transition layer I, be wrapped in the outer conduction back-up coat (11) of framework layer I, be wrapped in the outer enhancement layer (13) of conduction back-up coat, paste the interior outer covering layer (14) outside enhancement layer, the outer buffer layer (15) of outer covering layer in being wrapped in, paste the oil resistant layer III (16) outside buffer layer, paste the transition layer II (17) outside oil resistant layer III, be wrapped in the outer framework layer II (18) of transition layer II, paste the outer covering layer (19) outside framework layer II, it is characterized in that: be welded with retaining ring (4) on the cylindrical shell (5), be provided with pressure guide hole (3) at retaining ring and cylindrical shell joint, locating to be provided with leakage warning device (21) near flange (1).

2. two-tube body transport pipe according to claim 1 is characterized in that: described pressure guide hole (3) is communicated with the buffer layer (15) in the body, and is communicated to leakage warning device (21).

3. two-tube body transport pipe according to claim 1 is characterized in that: described buffer layer (15) constitutes first body with each interior layer, and each layer outside the buffer layer (15) constituted second body, and buffer layer (15) is made up of the hole-opening foaming material.

4. two-tube body transport pipe according to claim 1, it is characterized in that: described flange (1), cylindrical shell (2), retaining ring (4) all are to be formed by metal material processing, and flange (1), retaining ring (4) are gone up the part surface that contacts with rubber with cylindrical shell (2) and all scribbled organic bond.

5. two-tube body transport pipe according to claim 1 is characterized in that: described back-up coat (7) is made up of high-intensity reticular fibre cord fabric.

6. two-tube body transport pipe according to claim 1, it is characterized in that: described framework layer I (10), framework layer II (18), enhancement layer (13) all are made up of the fiber cord fabric of the two-sided kiss-coating of multilayer, and stop and be fixed on the cylindrical shell (5) at two ends, by fixedly steel wire (20) is fixing.

7. two-tube body transport pipe according to claim 1, it is characterized in that: described conduction back-up coat (11) is to be wrapped on the body with a determining deviation by high-intensity Spring Steel Wire (12), and stop being fixed on the cylindrical shell of two ends, all be filled with elastomeric compound between reaching around the Spring Steel Wire (12).