CN104154349A - Seamless steel tube for coal mine machinery - Google Patents
Seamless steel tube for coal mine machinery Download PDFInfo
- Publication number
- CN104154349A CN104154349A CN201410397596.3A CN201410397596A CN104154349A CN 104154349 A CN104154349 A CN 104154349A CN 201410397596 A CN201410397596 A CN 201410397596A CN 104154349 A CN104154349 A CN 104154349A
- Authority
- CN
- China
- Prior art keywords
- material layer
- nickel
- composite material
- steel pipe
- steel tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/08—Coatings characterised by the materials used by metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a seamless steel tube for coal mine machinery. The seamless steel tube comprises steel tube body, a nickel-based composite material layer containing Jinchuan copper-nickel mineral powder, a carbon nano-tube/polymethyl methacrylate composite material layer, a Mo2FeB2 hard alloy clad material layer, a Si3N4-SiC composite material layer and a MoS2/PTFE composite material layer, wherein the nickel-based composite material layer containing the Jinchuan copper-nickel mineral powder, the carbon nano-tube/polymethyl methacrylate composite material layer and the Mo2FeB2 hard alloy clad material layer are arranged on the inner surface of the steel tube body in sequence, and the Si3N4-SiC composite material layer and the MoS2/PTFE composite material layer are arranged on the outer surface of the steel tube body in sequence. Thus, the seamless steel tube is good in moisture resistance and corrosion resistance and can effectively restrain stress corrosion under the condition that large stress exists.
Description
Technical field
The present invention relates to seamless steel pipe field, particularly relate to a kind of seamless steel pipe for coal mine machinery.
Background technique
Along with improving constantly of coal production mechanization degree, the use to machinery, the requirement of maintenance and management also improve constantly, and the operation conditions of equipment directly affects the safety in production in colliery.Equipment normal operation, raw coal output and benefit to mine are improved, and safety in production has been played to positive effect.
In field, colliery, in the middle of cargo sweat environment, bear the key components and parts of dynamic load often because the effect of corrosion-wear was lost efficacy, thereby cause huge economic loss.But, now for the humidity poor corrosion resistance of the seamless steel pipe of coal mine machinery, under having compared with large stress condition, also can there is stress corrosion and present stress corrosion extension feature.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of seamless steel pipe for coal mine machinery, and humidity corrosion resistance and good is having the generation that can effectively suppress stress corrosion under larger stress condition.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: a kind of seamless steel pipe for coal mine machinery is provided, comprises: steel pipe body, containing nickel-base composite material layer, carbon nano-tube/poly methyl methacrylate composite layer, the Mo of Jinchuan copper-nickel mine powder
2feB
2hard Alloy Cladding Material layer, Si
3n
4-SiC composite layer and MoS
2/ PTFE composite layer, the nickel-base composite material layer containing Jinchuan copper-nickel mine powder described in the internal surface of described steel pipe body is disposed with, described carbon nano-tube/poly methyl methacrylate composite layer and described Mo
2feB
2hard Alloy Cladding Material layer, the outer surface of described steel pipe body is disposed with described Si
3n
4-SiC composite layer and described MoS
2/ PTFE composite layer.
In a preferred embodiment of the present invention, the thickness of the described nickel-base composite material layer containing Jinchuan copper-nickel mine powder is 4 ~ 8mm.
In a preferred embodiment of the present invention, described Mo
2feB
2the thickness of Hard Alloy Cladding Material layer is 8 ~ 15mm.
In a preferred embodiment of the present invention, the thickness of described carbon nano-tube/poly methyl methacrylate composite layer is 3 ~ 6mm.
The invention has the beneficial effects as follows: the present invention has added nickel-base composite material layer, carbon nano-tube/poly methyl methacrylate composite layer, the Mo containing Jinchuan copper-nickel mine powder on steel pipe body
2feB
2hard Alloy Cladding Material layer, Si
3n
4-SiC composite layer and MoS
2/ PTFE composite layer, humidity corrosion resistance and good, is having the generation that can effectively suppress stress corrosion under larger stress condition.
Brief description of the drawings
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of seamless steel pipe one preferred embodiment for coal mine machinery of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, steel pipe body, 2, containing the nickel-base composite material layer of Jinchuan copper-nickel mine powder, 3, carbon nano-tube/poly methyl methacrylate composite layer, 4, Mo
2feB
2hard Alloy Cladding Material layer, 5, Si
3n
4-SiC composite layer, 6, MoS
2/ PTFE composite layer.
Embodiment
To the technological scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiments that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
For a seamless steel pipe for coal mine machinery, comprising: steel pipe body 1, containing nickel-base composite material layer 2, carbon nano-tube/poly methyl methacrylate composite layer 3, the Mo of Jinchuan copper-nickel mine powder
2feB
2hard Alloy Cladding Material layer 4, Si
3n
4-SiC composite layer 5 and MoS
2/ PTFE composite layer 6, the internal surface of described steel pipe body 1 is disposed with the described nickel-base composite material layer 2 containing Jinchuan copper-nickel mine powder, described carbon nano-tube/poly methyl methacrylate composite layer 3 and described Mo
2feB
2hard Alloy Cladding Material layer 6, the outer surface of described steel pipe body 1 is disposed with described Si
3n
4-SiC composite layer 5 and described MoS
2/ PTFE composite layer 4.
Preferably, the thickness of the described nickel-base composite material layer 2 containing Jinchuan copper-nickel mine powder is 4 ~ 8mm.
Preferably, described Mo
2feB
2the thickness of Hard Alloy Cladding Material layer 6 is 8 ~ 15mm.
Preferably, the thickness of described carbon nano-tube/poly methyl methacrylate composite layer 3 is 3 ~ 6mm.
The present invention for the beneficial effect of the seamless steel pipe of coal mine machinery is: the present invention has added nickel-base composite material layer, carbon nano-tube/poly methyl methacrylate composite layer, the Mo containing Jinchuan copper-nickel mine powder on steel pipe body
2feB
2hard Alloy Cladding Material layer, Si
3n
4-SiC composite layer and MoS
2/ PTFE composite layer, humidity corrosion resistance and good, is having the generation that can effectively suppress stress corrosion under larger stress condition.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. for a seamless steel pipe for coal mine machinery, it is characterized in that, comprising: steel pipe body, containing nickel-base composite material layer, carbon nano-tube/poly methyl methacrylate composite layer, the Mo of Jinchuan copper-nickel mine powder
2feB
2hard Alloy Cladding Material layer, Si
3n
4-SiC composite layer and MoS
2/ PTFE composite layer, the nickel-base composite material layer containing Jinchuan copper-nickel mine powder described in the internal surface of described steel pipe body is disposed with, described carbon nano-tube/poly methyl methacrylate composite layer and described Mo
2feB
2hard Alloy Cladding Material layer, the outer surface of described steel pipe body is disposed with described Si
3n
4-SiC composite layer and described MoS
2/ PTFE composite layer.
2. the seamless steel pipe for coal mine machinery according to claim 1, is characterized in that, the thickness of the described nickel-base composite material layer containing Jinchuan copper-nickel mine powder is 4 ~ 8mm.
3. the seamless steel pipe for coal mine machinery according to claim 1, is characterized in that, described Mo
2feB
2the thickness of Hard Alloy Cladding Material layer is 8 ~ 15mm.
4. the seamless steel pipe for coal mine machinery according to claim 1, is characterized in that, the thickness of described carbon nano-tube/poly methyl methacrylate composite layer is 3 ~ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397596.3A CN104154349A (en) | 2014-08-14 | 2014-08-14 | Seamless steel tube for coal mine machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397596.3A CN104154349A (en) | 2014-08-14 | 2014-08-14 | Seamless steel tube for coal mine machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104154349A true CN104154349A (en) | 2014-11-19 |
Family
ID=51879923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410397596.3A Pending CN104154349A (en) | 2014-08-14 | 2014-08-14 | Seamless steel tube for coal mine machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104154349A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937664A (en) * | 2016-06-29 | 2016-09-14 | 无锡必胜必精密钢管有限公司 | Steel pipe for pipe pile bridge |
| CN105937702A (en) * | 2016-06-29 | 2016-09-14 | 无锡必胜必精密钢管有限公司 | Steel pipe for guardrail |
-
2014
- 2014-08-14 CN CN201410397596.3A patent/CN104154349A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937664A (en) * | 2016-06-29 | 2016-09-14 | 无锡必胜必精密钢管有限公司 | Steel pipe for pipe pile bridge |
| CN105937702A (en) * | 2016-06-29 | 2016-09-14 | 无锡必胜必精密钢管有限公司 | Steel pipe for guardrail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141119 |