CN205824427U - Bimetallic insulating joint - Google Patents
Bimetallic insulating joint Download PDFInfo
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- CN205824427U CN205824427U CN201620712648.6U CN201620712648U CN205824427U CN 205824427 U CN205824427 U CN 205824427U CN 201620712648 U CN201620712648 U CN 201620712648U CN 205824427 U CN205824427 U CN 205824427U
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Abstract
The utility model discloses bimetallic insulating joint；Including left flange assembly, right flange assembly, the fixed cover that left flange assembly and right flange assembly are linked together and left flange, the insulating element being provided with between right flange and fixed cover；Left flange assembly includes left short tube and left flange；Right flange assembly includes right short tube and right flange；Described fixed cover is welded to connect with left flange；Described insulating element includes big straight set, little straight set, gripper shoe and insulation spacer, described insulation spacer is arranged on the junction of left flange and right flange, described big straight set and little be directly set between fixed cover and right flange basic unit, described gripper shoe is arranged between big straight set and little straight set.This utility model simple in construction, production cost are low, decay resistance is strong.
Description
Technical field
This utility model relates to a kind of buried long distance pipeline joint, particularly to bimetallic insulating joint.
Background technology
Currently known insulating joint, flange, fixed cover and short tube are typically made by carbon steel material；Flange, fixed cover are used
Rough forging is processed, and short tube materials in the tube are processed.The insulating joint of this kind of material, it is possible to meet the conveying of weak erosive oil gas medium
Need.
Society is increasing to the demand of the energy, and the petroleum resources being prone to exploitation is fewer and feweri, the exploration of oil gas field
Exploitation has to creep into deeper stratum, to the more stringent regional development of environmental condition.Along with ultra-deep, high temperature, high pressure, height
Containing CO2、H2S、Cl-And the appearance in succession of the oil gas field such as elementary sulfur, the decay resistance of insulating joint material is proposed high
Requirement.In order to meet decay resistance, the piping material of conveying oil gas uses corrosion resistant alloy or composite bimetal pipe instead.Piping material
During for corrosion resistant alloy, matched insulating joint, flange, fixed cover and short tube use with pipeline with the corrosion resistant alloy system of material
Make；When piping material is composite bimetal pipe, flange, fixed cover use and make with the corrosion resistant alloy of material with pipeline inner liner,
Short tube uses with pipeline with the composite bimetal pipe of material, or uses and make with the corrosion resistant alloy of material with pipeline inner liner.From
Carbon steel insulating joint, develops into corrosion resistant alloy insulating joint, and when specification is less, the cost of increase does not includes the highest；When specification is bigger,
The cost increased is the highest.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, production cost is low, decay resistance is strong
Bimetallic insulating joint.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
Bimetallic insulating joint；Described insulating joint includes:
Left flange assembly, described left flange assembly includes that left short tube and left flange, described left short tube and left flange welding exist
Together, described left short tube includes left short tube basic unit and the anti-corrosion cladding being positioned in left short tube base layer interior surface, described left flange bag
Kuo Zuo flange basic unit, the anti-corrosion overlay cladding of runner being positioned in left flange base layer interior surface and the end being positioned at left flange basic unit end
Face is anti-corrosion overlay cladding；
Right flange assembly, described right flange assembly includes that right short tube and right flange, described right short tube and right flange welding exist
Together, described right short tube includes right short tube basic unit and the anti-corrosion cladding being positioned in right short tube base layer interior surface, described right flange bag
Kuo You flange basic unit, the anti-corrosion overlay cladding of runner being positioned in right flange base layer interior surface and the end being positioned at right flange basic unit end
Face is anti-corrosion overlay cladding；
The fixed cover left flange assembly and right flange assembly linked together, described fixed cover welds with left flange
Connect；
Described left flange, between right flange and fixed cover, be provided with insulating element, described insulating element include big straight set, little directly
Set, gripper shoe, insulation spacer and sealing ring, described insulation spacer, sealing ring be arranged on the junction of left flange and right flange,
Described big straight set and little be directly set between fixed cover and right flange basic unit, described gripper shoe is arranged on big straight set and little straight set
Between.
In an embodiment of the present utility model, the weldering formed between left short tube and left flange, right short tube and right flange
Access node structure is made up of prime coat, transition zone, packed layer and capping layer.
In an embodiment of the present utility model, the thickness of described anti-corrosion cladding is equal to runner, end face is anti-corrosion overlay cladding
Thickness.
In an embodiment of the present utility model, ring type filling oxygen tree in the gap between described fixed cover and little straight set
Fat.
In an embodiment of the present utility model, the thickness of prime coat is more than anti-corrosion cladding and runner, end face is anti-corrosion
The thickness of overlay cladding.
In an embodiment of the present utility model, described anti-corrosion cladding and runner, the thickness of end face is anti-corrosion overlay cladding
More than 3mm.
By technique scheme, the beneficial effects of the utility model are:
This utility model simple in construction, production cost are low, intensity is high, decay resistance is strong.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is this utility model structural representation；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Numeral and the corresponding component title represented by letter in figure:
10, left short tube 11, left short tube basic unit 20, left flange 21, left flange basic unit 30, anti-corrosion cladding 40, runner are resistance to
Erosion overlay cladding 50, end face is anti-corrosion overlay cladding 60, right short tube 61, right short tube basic unit 70, right flange 71, right flange basic unit
80, fixed cover 90, big straight set 100, little straight set 110, gripper shoe 120, insulation spacer 130, sealing ring 140, prime coat
150, transition zone 160, packed layer 170, capping layer.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
Seeing shown in Fig. 1 and Fig. 2, the utility model discloses bimetallic insulating joint, insulating joint includes left flange group
Part, right flange assembly, the fixed cover left flange assembly and right flange assembly linked together and left flange, right flange are with solid
The insulating element arranged between fixed set.
Left flange assembly includes that left short tube 10 and left flange 20, left short tube 10 weld together with left flange 20, left short tube
10 include left short tube basic unit 11 and the anti-corrosion cladding 30 being positioned in left short tube base layer interior surface, and left flange 20 includes left flange basic unit
21, the anti-corrosion overlay cladding of runner 40 being positioned in left flange base layer interior surface and the anti-corrosion heap of end face being positioned at left flange basic unit end
Layer 50；Right flange assembly includes that right short tube 60 and right flange 70, right short tube 60 weld together with right flange 70, right short tube 60
Including right short tube basic unit 61 and the anti-corrosion cladding 30 being positioned in right short tube base layer interior surface, right flange 70 includes right flange basic unit
71, the anti-corrosion overlay cladding of runner 40 being positioned in right flange base layer interior surface and the anti-corrosion heap of end face being positioned at right flange basic unit end
Layer 50；The thickness of anti-corrosion cladding 30 is equal to runner, the thickness of end face is anti-corrosion overlay cladding；Anti-corrosion cladding and runner, end face are resistance to
The thickness of erosion overlay cladding is more than 3mm；Fixed cover 80 is welded to connect with left flange 20, uses when welding with left flange 20
E5015 welding rod and ER50-6 welding wire；Insulating element include big straight set 90, little straight set 100, gripper shoe 110, insulation spacer 120 with
And sealing ring 130, insulation spacer 120, sealing ring 130 are arranged on the junction of left flange 20 and right flange 70, big straight set 90 Hes
Little straight set 100 is arranged between fixed cover 80 and right flange basic unit 71, and gripper shoe 110 is arranged on big straight set 90 and little straight set 100
Between, filling epoxy resin in the gap between fixed cover 80 and little straight set 100.
Runner, end face are anti-corrosion, and overlay cladding is that heap is soldered on carbon steel base layer, is therebetween metallurgical binding rather than machinery
In conjunction with, there is higher bond strength, during use, do not have the problem that corrosion resistant alloy cladding comes off.
Between left short tube and left flange, right short tube and right flange formed Welding Structure by prime coat 140, transition zone 150,
Packed layer 160 and capping layer 170 form, and the thickness of prime coat 140 is more than anti-corrosion cladding and the thickness of anti-corrosion overlay cladding, bottoming
Layer uses ER2209 welding wire, and transition zone uses ER309LMo welding wire, packed layer and capping layer to use E5015 welding rod；For wherein
Transition zone weld seam near prime coat weld seam, it is desirable to can fully fuse with prime coat and filling, capping layer weld seam, and can guarantee that
Prime coat weld seam is not diluted.
Left flange, right flange and fixed cover select 16Mn forging, and before first carrying out the weldering of left flange, right flange, size adds
Work, makes runner and end face area 3mm thinner than finished size.
Operationally, the medium of inner chamber contacts this utility model with the anti-corrosion cladding of left and right short tube, with left and right flanges
Overlay cladding contact that runner is anti-corrosion, will not touch the carbon steel base layer of short tube and flange, thus the corrosion resisting property of insulating joint obtains
Ensure.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (6)
1. bimetallic insulating joint；It is characterized in that, described insulating joint includes:
Left flange assembly, described left flange assembly includes left short tube and left flange, described left short tube together with left flange welding,
Described left short tube includes left short tube basic unit and the anti-corrosion cladding being positioned in left short tube base layer interior surface, and described left flange includes left method
Blue basic unit, the anti-corrosion overlay cladding of runner being positioned in left flange base layer interior surface and to be positioned at the end face of left flange basic unit end anti-corrosion
Overlay cladding；
Right flange assembly, described right flange assembly includes right short tube and right flange, described right short tube together with right flange welding,
Described right short tube includes right short tube basic unit and the anti-corrosion cladding being positioned in right short tube base layer interior surface, and described right flange includes right method
Blue basic unit, the anti-corrosion overlay cladding of runner being positioned in right flange base layer interior surface and to be positioned at the end face of right flange basic unit end anti-corrosion
Overlay cladding；
The fixed cover left flange assembly and right flange assembly linked together, described fixed cover carries out, with left flange, the company of welding
Connect；
Described left flange, between right flange and fixed cover, be provided with insulating element, described insulating element include big straight set, little straight set,
Gripper shoe, insulation spacer and sealing ring, described insulation spacer, sealing ring are arranged on the junction of left flange and right flange, institute
State big straight set and little be directly set between fixed cover and right flange basic unit, described gripper shoe be arranged on big straight set and little straight set it
Between.
Bimetallic insulating joint the most according to claim 1, it is characterised in that left short tube and left flange, right short tube are with right
The Welding Structure formed between flange is made up of prime coat, transition zone, packed layer and capping layer.
Bimetallic insulating joint the most according to claim 1, it is characterised in that the thickness of described anti-corrosion cladding is equal to stream
The thickness of road, end face are anti-corrosion overlay cladding.
Bimetallic insulating joint the most according to claim 1, it is characterised in that between described fixed cover and little straight set
Filling epoxy resin in gap.
Bimetallic insulating joint the most according to claim 2, it is characterised in that the thickness of prime coat more than anti-corrosion cladding with
And the thickness of runner, end face is anti-corrosion overlay cladding.
Bimetallic insulating joint the most according to claim 3, it is characterised in that described anti-corrosion cladding and runner, end face
The thickness of anti-corrosion overlay cladding is all higher than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712648.6U CN205824427U (en) | 2016-07-07 | 2016-07-07 | Bimetallic insulating joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712648.6U CN205824427U (en) | 2016-07-07 | 2016-07-07 | Bimetallic insulating joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824427U true CN205824427U (en) | 2016-12-21 |
Family
ID=57565759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620712648.6U Active CN205824427U (en) | 2016-07-07 | 2016-07-07 | Bimetallic insulating joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205824427U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723922A (en) * | 2017-10-27 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of fluid connecting device of both ends insulation |
| CN114623295A (en) * | 2022-04-01 | 2022-06-14 | 宁波汇洲生态建设有限公司 | Connecting structure of water supply pipeline and construction method thereof |
| CN115585320A (en) * | 2022-10-10 | 2023-01-10 | 中国核动力研究设计院 | Non-contact electric insulation sealing structure |
| CN116460479A (en) * | 2023-06-20 | 2023-07-21 | 西安泵阀总厂有限公司 | Insulating joint welding process, preparation method and insulating joint |
-
2016
- 2016-07-07 CN CN201620712648.6U patent/CN205824427U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723922A (en) * | 2017-10-27 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of fluid connecting device of both ends insulation |
| CN114623295A (en) * | 2022-04-01 | 2022-06-14 | 宁波汇洲生态建设有限公司 | Connecting structure of water supply pipeline and construction method thereof |
| CN115585320A (en) * | 2022-10-10 | 2023-01-10 | 中国核动力研究设计院 | Non-contact electric insulation sealing structure |
| CN115585320B (en) * | 2022-10-10 | 2024-04-26 | 中国核动力研究设计院 | Non-contact type electric insulation sealing structure |
| CN116460479A (en) * | 2023-06-20 | 2023-07-21 | 西安泵阀总厂有限公司 | Insulating joint welding process, preparation method and insulating joint |
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| GR01 | Patent grant |