Seabed fiber reinforced plastic pipe joint and utilize this joint to carry out the method for seabed fiber reinforced plastic pipe emission construction
Technical field
The invention belongs to the fiber reinforced plastic pipe technical field, be specifically related to a kind of seabed fiber reinforced plastic pipe joint and utilize this joint to carry out the method for seabed fiber reinforced plastic pipe emission construction.
Background technique
Continuous development and raising along with exploitation technology, recover the oil in China deep-sea and the gas production operation gets more and more, this just need be transported to the destination by pipeline with the oily gentle of extraction, the seabed long distance water transfer also needs to realize by submarine pipeline simultaneously, the ocean flexible hose is beginning to replace traditional steel marine steel pipe at present, for delivery of media such as water or oil gas.And when laying flexible hoses such as Glass Steel Tube, because Glass Steel Tube is flexible pipe, and being connected between them flexibly connects, therefore can not adopt the emission construction technique of conventional rigid pipeline to construct, can only adopt comparatively complicated technology to construct, namely need to excavate in the seabed earlier a groove, the Glass Steel Tube with single-unit puts down then, being dived into the water by the diver connects the back backfill with Glass Steel Tube again, and this construction process is comparatively complicated, efficiency of construction is low.
Summary of the invention
The present invention's technical problem at first to be solved is at above-mentioned the deficiencies in the prior art, a kind of seabed fiber reinforced plastic pipe joint is provided, it can be rigidly connected the connection between the Glass Steel Tube by flexibly connecting to change into, thereby satisfies the demand of emission construction technique.
Another technical problem to be solved by this invention is that a kind of method of utilizing above-mentioned fiber reinforced plastic pipe joint to carry out seabed fiber reinforced plastic pipe emission construction is provided, this method is for traditional fiber reinforced plastic pipe construction process, and its technology is more easy, efficiency of construction is higher.
The technical solution adopted in the present invention is: a kind of seabed fiber reinforced plastic pipe joint, comprise the glass fibre reinforced plastics muff joint and be separately fixed at the two baffle ring devices that two adjacent Glass Steel Tubes are held outer rim in opposite directions, and two baffle ring devices stuffing box gland respectively are connected on the two ends of described glass fibre reinforced plastics muff joint, and this fiber reinforced plastic pipe joint also comprises the rigidly connected fixing device of above-mentioned two baffle ring devices.
As preferably, described glass fibre reinforced plastics muff joint is made of the whole rubber seal of outer field glass fibre reinforced plastics and internal layer.
As preferably, described baffle ring device is the glass fibre reinforced plastics baffle ring.
As preferably, described fixing device comprises that fixing clamp respectively is contained in two stainless steel retaining rings on the two adjacent Glass Steel Tubes and above-mentioned two stainless steel retaining rings are rigidly fixed coupled fasteners, and described stainless steel retaining ring is close on the side of described baffle ring device.
As preferably, being evenly distributed with, its circumferencial direction of described stainless steel retaining ring upper edge organizing fastening pieces more.
As preferably, described fastening piece is the bolt and nut fastening structure.
As preferably, be provided with rubber pad between described stainless steel retaining ring and the Glass Steel Tube.
As preferably, described rubber pad is the nitrile rubber pad.
A kind of method of utilizing above-mentioned fiber reinforced plastic pipe joint to carry out seabed fiber reinforced plastic pipe emission construction, it comprises following step:
Preparation before A, the pipe laying construction
Before the pipe laying construction, on the pipe laying workboat launcher is installed;
B, pipeline section splice in place
Glass Steel Tube pipeline section and described fiber reinforced plastic pipe joint are transported on the pipe laying workboat, and utilize above-mentioned fiber reinforced plastic pipe joint that single Glass Steel Tube pipeline section is spliced mutually and put the back lifting in place to mounted launcher;
C, pipeline section buried depth are to sea bed
At seabed excavation pipeline groove, in the excavation pipeline groove, will splice good pipeline section emission through launcher and be mounted in the pipeline groove backfill.
Beneficial effect of the present invention is: joint of the present invention had both had excellent sealing performance, connection between the Glass Steel Tube is rigidly connected by flexibly connecting to be transformed to, thereby the Glass Steel Tube that makes splicing satisfies the demand of pipeline emission mounting process, and easy construction is quick; This joint toughness is strong simultaneously, and all there is bigger buffering corner at the joint two ends when lifting, have strengthened tension, the fracture resistance of product; Above-mentioned fiber reinforced plastic pipe joint can make the glass fibre reinforced plastics pipeline section of splicing carry out seabed emission construction simultaneously, and is more convenient, quick than traditional glass lengths of steel pipes installation method.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 be among Fig. 1 of the present invention the stainless steel retaining ring along A-A line sectional view;
Fig. 3 is Glass Steel Tube splicing schematic representation of the present invention.
Among the figure: 1, glass fibre reinforced plastics muff joint; 2, baffle ring device; 31, stainless steel retaining ring; 32, fastening piece; 33, link; 34, fixed hole; 4, rubber pad; 5, Glass Steel Tube.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the present invention is described in further detail.
Embodiment: as depicted in figs. 1 and 2, a kind of seabed fiber reinforced plastic pipe joint, comprise glass fibre reinforced plastics muff joint 1 and be separately fixed at the two baffle ring devices 2 that two adjacent Glass Steel Tubes 5 are held outer rim in opposite directions, and two baffle ring devices 2 stuffing box gland respectively are connected on the two ends of described glass fibre reinforced plastics muff joint 1, and this fiber reinforced plastic pipe joint also comprises above-mentioned two baffle ring devices, 2 rigidly connected fixing devices.
Described glass fibre reinforced plastics muff joint 1 is made of the whole rubber seal of outer field glass fibre reinforced plastics and internal layer, is provided with the circular orientation boss at the internal surface of whole rubber seal, is provided with multi-layer sealed lip in the both sides of this circular orientation boss; Described baffle ring device 2 is the glass fibre reinforced plastics baffle ring, is preset on the two ends outer rim of the Glass Steel Tube 5 that needs socket; Described fixing device comprises that fixing clamp respectively is contained in two stainless steel retaining rings 31 on the two adjacent Glass Steel Tubes 5 and above-mentioned two stainless steel retaining rings 31 are rigidly fixed coupled fasteners 32, and described stainless steel retaining ring 31 is close on the side of described baffle ring device 2, its circumferencial direction of described stainless steel retaining ring 31 upper edges is evenly distributed with many group fastening pieces 32, described fastening piece 32 is the bolt and nut fastening structure, and stainless steel retaining ring 31 is provided with for described fastening piece 32 and passes fixing fixed hole 34; Described stainless steel retaining ring 31 by up and down two mutually retaining rings symmetry, semi-round ring shape combine, the end in opposite directions of two retaining rings is fastenedly connected by link 33; Described fixing device also can be the fixed structure of other form, as long as it can satisfy the function that two Glass Steel Tubes 5 or two baffle ring devices 2 are rigidly connected.
In addition, for stainless steel retaining ring 31 is fixed on the Glass Steel Tube 5 better, can between described stainless steel retaining ring 31 and Glass Steel Tube 5, nitrile rubber pad 4 be set, so just can avoid stainless steel retaining ring 31 to slide or displacement at Glass Steel Tube 5 effectively.
A kind of method of utilizing above-mentioned fiber reinforced plastic pipe joint to carry out seabed fiber reinforced plastic pipe emission construction, it comprises following step:
Preparation before A, the pipe laying construction
Before the pipe laying construction, on the pipe laying workboat launcher is installed;
B, pipeline section splice in place
As shown in Figure 3, Glass Steel Tube pipeline section and described fiber reinforced plastic pipe joint are transported on the pipe laying workboat, and utilize above-mentioned fiber reinforced plastic pipe joint that single Glass Steel Tube pipeline section is spliced mutually and put the back lifting in place to mounted launcher; Because fiber reinforced plastic pipe joint of the present invention is rigidly connected the connection between the glass fibre reinforced plastics pipeline section by flexibly connecting to be transformed to, the fiber reinforced plastic pipe joint has extremely strong toughness and bigger buffering corner simultaneously, so it can satisfy the lifting of piecing together the glass fibre reinforced plastics pipeline section well and launch the demand of installing;
Described baffle ring device 2 is the glass fibre reinforced plastics baffle ring, be preset on the two ends outer rim of the Glass Steel Tube 5 that needs socket, during installation, the end in opposite directions of two Glass Steel Tubes 5 that need splice is socketed in the two ends of a glass fibre reinforced plastics muff joint 1 respectively, and fixedly clamp stainless steel retaining ring 31 in the outside that every Glass Steel Tube 5 is close to baffle ring device 2, being rigidly connected by the fastening piece 32 that passes set fixed hole 34 on the stainless steel retaining ring 31 gets final product again;
C, pipeline section buried depth are to sea bed
At seabed excavation pipeline groove, in the excavation pipeline groove, will splice good pipeline section emission through launcher and be mounted in the pipeline groove backfill.
Joint of the present invention had both had excellent sealing performance, and the connection between the Glass Steel Tube 5 is rigidly connected by flexibly connecting to be transformed to, thereby made the Glass Steel Tube 5 of splicing satisfy the demand that pipeline is launched mounting process, and easy construction is quick; This joint toughness is strong simultaneously, and all there is bigger buffering corner at the joint two ends when lifting, have strengthened tension, the fracture resistance of product; Above-mentioned fiber reinforced plastic pipe joint can make the glass fibre reinforced plastics pipeline section of splicing carry out seabed emission construction simultaneously, and is more convenient, quick than traditional glass lengths of steel pipes installation method.Crucial innovative point of the present invention namely is: utilize the fiber reinforced plastic pipe joint that the connection between the glass fibre reinforced plastics pipeline section is rigidly connected by flexibly connecting to be transformed to, good fiber reinforced plastic pipe can utilize emission technology to carry out subsea construction to make splicing.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modifies, and all should still belong in the scope that patent of the present invention contains.