CN220566761U - Small-caliber inner wall surfacing wear-resistant pipe - Google Patents
Small-caliber inner wall surfacing wear-resistant pipe Download PDFInfo
- Publication number
- CN220566761U CN220566761U CN202322088688.0U CN202322088688U CN220566761U CN 220566761 U CN220566761 U CN 220566761U CN 202322088688 U CN202322088688 U CN 202322088688U CN 220566761 U CN220566761 U CN 220566761U
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- wear
- base pipe
- resistant
- wall
- small
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- 229910045601 alloy Inorganic materials 0.000 claims abstract description 32
- 239000000956 alloy Substances 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 239000002216 antistatic agent Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a small-caliber inner wall surfacing wear-resistant pipe, and relates to the technical field of surfacing wear-resistant pipes. This small-bore inner wall build-up welding wear-resisting pipe includes: a base pipe; the fixed disc, fixed disc fixed mounting is in the one end of base pipe, and fixed disc's side fixed mounting has the lug, and the inside of base pipe is provided with interior inoxidizing coating, and interior inoxidizing coating includes wear-resisting alloy, and wear-resisting alloy build-up welding is at the inner wall of base pipe, and the outside of base pipe is provided with outer inoxidizing coating, and outer inoxidizing coating includes withstand voltage layer and conductive coating, and withstand voltage layer build-up welding is provided with conductive coating at the outer wall of base pipe in the inside of withstand voltage layer. The device has improved the fixity during installation through the use of fixed disc to guarantee the stability of base pipe, the locating hole plays the assistance-localization real-time effect, has further improved the stability that the base pipe was placed, thereby reduces the installation degree of difficulty, and this product breaks through traditional wear-resisting material "harder more fragile", "wear-resisting just not shock-resistant" limitation.
Description
Technical Field
The utility model relates to the technical field of surfacing wear-resistant pipes, in particular to a small-caliber inner wall surfacing wear-resistant pipe.
Background
Before the use of the existing pipeline, in order to increase the protection, the inner wall can be treated, and the existing treatment process has two kinds of processes: one is the vacuum lost foam suction casting of bimetal, this way is difficult to avoid defects such as air pocket slag inclusion, etc., it is not metallurgical to combine with the outer steel body, it is likely to cause the wearing layer to fracture and drop, after the whole wearing layer, the fabrication cost is high, can't weld and repair and need the whole change after drop, the operation is tedious, and has raised the fabrication cost; the other is a ceramic pasting process, which has the defects of not resisting temperature and impact, easily falling off to cause the next process obstacle, being unable to repair, and having poor use effect because the ceramic plate quickly wears the steel body once falling off.
Based on the defects, the small-caliber inner wall surfacing wear-resistant pipe is provided.
Disclosure of Invention
The utility model aims to provide a small-caliber inner wall surfacing wear-resistant pipe so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a small caliber inner wall surfacing wear resistant pipe comprising:
a base pipe;
the fixed disc is fixedly arranged at one end of the base pipe;
the side fixed mounting of fixed disc has the lug, and the inside of base pipe is provided with interior inoxidizing coating, and interior inoxidizing coating includes wear-resisting alloy, and wear-resisting alloy builds up at the inner wall of base pipe, and the outside of base pipe is provided with outer inoxidizing coating, and outer inoxidizing coating includes withstand voltage layer and conductive coating, and withstand voltage layer builds up at the outer wall of base pipe, and the inside of withstand voltage layer is provided with conductive coating.
Preferably, the protruding blocks are arranged in a plurality of groups, and the protruding blocks are uniformly distributed.
Preferably, the fixed disc is provided with positioning holes, and the positioning holes are arranged in a plurality of groups, so that the positioning is convenient.
Preferably, the thickness of the wear-resistant alloy is 3-20mm.
Preferably, weld lines are arranged on the wear-resistant alloy, and the weld lines and the wear-resistant alloy are mutually adjacent, so that surfacing operation of the wear-resistant alloy is facilitated.
Preferably, the thickness of the pressure-resistant layer is 1-10mm.
Preferably, the material of the conductive coating is a conductive masterbatch or an antistatic agent, which provides excellent static conductive properties, is a protective energy absorbing layer, and also provides good hiding and protecting properties.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The wear-resistant pipe with the small-caliber inner wall is assembled by overlaying, the fixing performance during installation is improved through the use of the fixing disc, so that the stability of the base pipe is guaranteed, the positioning hole plays an auxiliary positioning role, the stability of the base pipe placement is further improved, and the installation difficulty is reduced.
(2) The wear-resistant pipe is formed by overlaying the small-caliber inner wall with the thickness of 3-20mm, wherein a matrix of the wear-resistant alloy consists of eutectic cementite, alloy martensite and residual austenite, the wear-resistant alloy is overlaid on the inner wall of the base pipe 1, the hardness of a composite wear-resistant steel plate reaches HRC55-63 through laboratory detection, wear experiment data show that the wear resistance of the overlaid composite wear-resistant alloy is 20-25 times that of low carbon steel and 10-12 times that of 16Mn steel, and the wear-resistant alloy has good impact resistance.
(3) The small-caliber inner wall surfacing wear-resistant pipe is convenient for surfacing processing operation of the wear-resistant alloy due to the arrangement of weld lines, and the base pipe has certain flow guiding performance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a structure of a fixed disk in the present utility model;
FIG. 3 is a schematic view of a substrate tube according to the present utility model;
FIG. 4 is a schematic view of the structure of the inner protective layer according to the present utility model;
fig. 5 is a schematic structural view of the outer protective layer in the present utility model.
In the figure: 1 base pipe, 2 inner protective layer, 21 wear-resistant alloy, 3 fixed disk, 4 convex block, 5 locating hole, 6 outer protective layer, 61 pressure-proof layer, 62 conductive coating and 7 weld lines.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-4, the present utility model provides a technical solution: the small-caliber inner wall surfacing wear-resistant pipe comprises a base pipe 1 and a fixed disc 3, wherein the fixed disc 3 is fixedly arranged at one end of the base pipe 1, the side surface of the fixed disc 3 is fixedly provided with a plurality of groups of protruding blocks 4, the protruding blocks 4 are uniformly distributed,
the fixed disc 3 is provided with the positioning holes 5, the positioning holes 5 are arranged in a plurality of groups, the positioning holes 5 play a role in auxiliary positioning, the stability of placing the base pipe 1 is further improved, and accordingly the installation difficulty is reduced.
The inner protective layer 2 is arranged in the base pipe 1, the inner protective layer 2 comprises a wear-resistant alloy 21, a matrix of the wear-resistant alloy 21 consists of eutectic cementite, alloy martensite and residual austenite, the wear-resistant alloy 21 is overlaid on the inner wall of the base pipe 1, the hardness of a composite wear-resistant steel plate reaches HRC55-63 through laboratory detection, wear experiment data show that the wear resistance of the overlaid composite wear-resistant alloy 21 is 20-25 times that of low carbon steel and 10-12 times that of 16Mn steel, the wear-resistant alloy 21 has good impact resistance, and the product breaks through the limitations of the traditional wear-resistant material such as harder and more fragile and wear resistance but not impact resistance, can be used for working occasions of impact wear, has the capability of resisting high temperature of 600-700 ℃, and can be cut, bent, perforated, welded and the like, and is greatly convenient to be applied to various working condition occasions.
It is noted that the caliber is more than or equal to DN80, the wear-resistant alloy can be deposited on the inner wall, the seamless pipeline can be deposited for 12 m, and the seamless pipeline is metallurgically combined with the steel body, so that the hardness is higher.
The thickness of the wear-resistant alloy 21 is 3-20mm, and the thickness of the wear-resistant alloy 21 can be adjusted according to the requirements of customers, so that the cutting energy welding is realized, the manufacturing cost is lower, and the service life is longer.
The weld lines 7 are arranged on the wear-resistant alloy 21, the weld lines 7 and the wear-resistant alloy 21 are mutually adjacent, the compression resistance of the base pipe 1 can be improved, the weld lines 7 are arranged to facilitate the surfacing operation of the wear-resistant alloy 21, and the base pipe 1 has certain flow guiding performance.
The outside of base pipe 1 is provided with outer inoxidizing coating 6, and outer inoxidizing coating 6 includes withstand voltage layer 61 and conductive coating 62, and withstand voltage layer 61 build-up welding is at the outer wall of base pipe 1, and withstand voltage layer 61 thickness is 1-10mm, can prevent through withstand voltage layer 61 that base pipe 1 from starting rupture, damage from the extexine, and can reduce the cost of maintenance of base pipe 1, excellent in use effect.
The pressure-resistant layer 61 is internally provided with a conductive coating 62, the conductive coating 62 is made of conductive master batch or antistatic agent, and can provide excellent static conductive performance, be a protective energy absorbing layer, and also can provide good shielding and protecting performance, and the use of the fixed disc 3 improves the fixity during installation, so that the stability of the base pipe 1 is ensured.
Claims (7)
1. The utility model provides a wear-resisting pipe of small-bore inner wall build-up welding which characterized in that: comprising the following steps:
a base pipe (1);
the fixed disc (3), the fixed disc (3) is fixedly installed at one end of the base pipe (1);
the side fixed mounting of fixed disc (3) has lug (4), and the inside of base pipe (1) is provided with interior inoxidizing coating (2), and interior inoxidizing coating (2) are including wear-resisting alloy (21), and the build-up welding of wear-resisting alloy (21) is at the inner wall of base pipe (1), and the outside of base pipe (1) is provided with outer inoxidizing coating (6), and outer inoxidizing coating (6) include withstand voltage layer (61) and conductive coating (62), and withstand voltage layer (61) build-up welding is at the outer wall of base pipe (1), and the inside of withstand voltage layer (61) is provided with conductive coating (62).
2. The small-caliber inner wall surfacing wear-resistant pipe according to claim 1, wherein: the bumps (4) are arranged in a plurality of groups, and the bumps (4) are uniformly distributed.
3. The small-caliber inner wall surfacing wear-resistant pipe according to claim 1, wherein: the fixed disc (3) is provided with positioning holes (5), and the positioning holes (5) are arranged in a plurality of groups.
4. The small-caliber inner wall surfacing wear-resistant pipe according to claim 1, wherein: the thickness of the wear-resistant alloy (21) is 3-20mm.
5. The small-caliber inner wall surfacing wear-resistant pipe according to claim 1, wherein: and the wear-resistant alloy (21) is provided with weld lines (7), and the weld lines (7) and the wear-resistant alloy (21) are mutually adjacent.
6. The small-caliber inner wall surfacing wear-resistant pipe according to claim 1, wherein: the thickness of the pressure-resistant layer (61) is 1-10mm.
7. The small-caliber inner wall surfacing wear-resistant pipe according to claim 1, wherein: the material of the conductive coating (62) is a conductive master batch or an antistatic agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322088688.0U CN220566761U (en) | 2023-08-04 | 2023-08-04 | Small-caliber inner wall surfacing wear-resistant pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322088688.0U CN220566761U (en) | 2023-08-04 | 2023-08-04 | Small-caliber inner wall surfacing wear-resistant pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566761U true CN220566761U (en) | 2024-03-08 |
Family
ID=90091525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322088688.0U Active CN220566761U (en) | 2023-08-04 | 2023-08-04 | Small-caliber inner wall surfacing wear-resistant pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566761U (en) |
-
2023
- 2023-08-04 CN CN202322088688.0U patent/CN220566761U/en active Active
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