CN206943694U - A kind of abrasion-proof pipe that difference design is carried out to porch and exit - Google Patents
A kind of abrasion-proof pipe that difference design is carried out to porch and exit Download PDFInfo
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- CN206943694U CN206943694U CN201720700423.3U CN201720700423U CN206943694U CN 206943694 U CN206943694 U CN 206943694U CN 201720700423 U CN201720700423 U CN 201720700423U CN 206943694 U CN206943694 U CN 206943694U
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- 239000000463 material Substances 0.000 claims abstract description 35
- 238000005299 abrasion Methods 0.000 abstract description 12
- 229910001018 Cast iron Inorganic materials 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- 229910000851 Alloy steel Inorganic materials 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 239000003082 abrasive agent Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a kind of abrasion-proof pipe that difference design is carried out to porch and exit, the abrasion-proof pipe includes：The heterogeneous wear-resisting inner tube of protection outer tube, segmented; the protection outer tube is nested on the outside of the heterogeneous wear-resisting inner tube of the segmented; the heterogeneous wear-resisting inner tube of segmented includes the wear-resisting interior pipeline section in porch, the wear-resisting interior pipeline section in one or more middle parts, the wear-resisting interior pipeline section in exit; each wear-resisting interior pipeline section is connected in order each other; wherein, the length of the wear-resisting interior pipeline section (3 2) in the porch is longer than the length of the wear-resisting interior pipeline section (3 4) in the exit.Abrasion-proof pipe of the present utility model can make full use of the high-performance abrasion-proof material of high cost, relatively long high abrasion pipeline section is set in porch, relatively short high abrasion pipeline section is set in exit, at the middle part of abrasion-proof pipe using common wear-resisting pipeline section, the cost performance and service life for being much higher than existing product can be realized, it is easy to spread.
Description
Technical field
A kind of abrasion-proof pipe structure for trandfer fluid state material is the utility model is related to, it is particularly a kind of to entrance
Place and exit carry out the abrasion-proof pipe of difference design.
Background technology
Abrasion-proof pipe is conveyed throughout industries such as electric power, metallurgy, coal, oil, chemical industry, building materials, machineries, works as wear-resistant pipe
When the big material of grindability is conveyed in road (such as lime-ash, coal dust, tantalite power), all asking in the presence of abrasion-proof pipe quick abrasion
Topic, when gas of the conveying with strong corrosion, liquid or solid in abrasion-proof pipe, abrasion-proof pipe be present and be corroded and break quickly
Bad the problem of；When conveying has the material of higher temperature in abrasion-proof pipe, there is sufficiently expensive using heat resisting pipe price
The problem of；And the filling in mine material, tantalite power and mine tailing that abrasion resistant composite pipeline is widely used in serious wear transport, coal fired thermal power plant
The abrasion resistant composite pipelines such as powder feeding, slagging-off, defeated ash are also most suitable.
At present, in Chinese patent CN202302357U, a kind of wear-resisting ceramic composite straight pipe is disclosed, including by wear-resistant ceramic
The body that layer, glue bonding layer and metallic base layer form from inside to outside, by gluing between wear-resistant ceramic layer and metallic base layer
Tie layer connection, it is characterised in that：The head and the tail both ends of metallic base layer do not have the covering of wear-resistant ceramic layer；The straight tube equally exists reality
The influence (ceramic layer in the longer inner tube complex operation when bonding, it is difficult to produce) of manufacturing condition.
At present, in Chinese patent CN202452011U, a kind of straight tube and concrete conveying equipment are disclosed；The straight tube includes
Composite straight pipe and the first flange and second flange for being connected to the composite straight pipe mouth of pipe, composite straight pipe include outer tube and inner tube；First
Flange has been embedded in the first wear-resistant sleeve, and second flange has been embedded in the second wear-resistant sleeve；A recess is provided with the inside of second flange,
A boss that can be engaged with recess is provided with the inside of second wear-resistant sleeve, and composite straight pipe end compresses the boss, makes convex
Platform is fixed in recess；Though in this straight tube propose by it is mechanical interlocked prevent anti-wearing liner come off and inner tube is gone out, due to
It is directly to contact between outer tube and inner tube, there can be both mutual impacts in high intensity environment, pipe is caused to damage.
In addition, it has been found that there is larger difference in abrasion of the abrasion-proof pipe in porch and exit, in porch
Abrasion length will also be longer than seriously will be more than in pipeline in exit, abrasion-proof pipe in the degree of wear within the 200mm of porch
Portion, also seriously it is more than in the abrasion within the 100mm of exit in the middle part of pipeline, and existing pipe design is all unitary design,
Therefore often whole pipeline is caused to be scrapped because of the damage of at tube inlet or exit.
Utility model content
The purpose of this utility model is in order to overcome above-mentioned problem, by being provided in end, especially porch
Anti-wear performance be higher than other positions porch abrasion-proof pipe, and, there is provided porch abrasion-proof pipe length only in entrance
In the range of 20mm-500mm (preferably within 20-220mm), the abrasion-proof pipe in exit is only in 10-200mm (preferably in 10-
Within 100mm), the dosage of high abrasion resisting material had so both been saved, in turn ensure that the wearability of pipeline.
The utility model, which adopts the following technical scheme that, realizes its purpose：
A kind of abrasion-proof pipe that difference design is carried out to porch and exit, it is characterised in that the abrasion-proof pipe bag
Include：The heterogeneous wear-resisting inner tube of protection outer tube, segmented, the protection outer tube are nested on the outside of the heterogeneous wear-resisting inner tube of the segmented,
The heterogeneous wear-resisting inner tube of segmented is resistance to including the wear-resisting interior pipeline section in porch, the wear-resisting interior pipeline section in one or more middle parts, exit
Pipeline section in mill, each wear-resisting interior pipeline section is connected in order each other, wherein, the length of the wear-resisting interior pipeline section in porch be longer than it is described go out
The length of wear-resisting interior pipeline section at mouthful.
Preferably, the difference of at least one of three kinds of wear-resisting inner tubes material of inner tube and other inner tube materials.
Preferably, the length of the wear-resisting interior pipeline section in the porch is between 20mm-500mm, the wear-resisting inner tube in exit
The length of section is between 10mm-200mm.
Preferably, the length of the wear-resisting interior pipeline section in the porch is between 20mm-300mm, the wear-resisting inner tube in exit
The length of section is between 10mm-150mm.
Preferably, the length of the wear-resisting interior pipeline section in the porch is between 20mm-200mm, the wear-resisting inner tube in exit
The length of section is between 10mm-100mm.
Preferably, the wear-resisting interior pipeline section in the porch uses the anti-wear performance of material to be better than the wear-resisting interior pipeline section in the middle part
Used material, the wear-resisting interior pipeline section in exit use the anti-wear performance of material to be better than the wear-resisting interior pipeline section in the middle part.
Preferably, the wearing layer thickness of the wear-resisting interior pipeline section in the porch is more than the wear-resisting interior pipeline section in the exit, described
The wearing layer thickness of the wear-resisting interior pipeline section in exit is more than the wear-resisting interior pipeline section in the middle part.
Preferably, the abrasion-proof pipe also includes wear-resisting adpting flange, and the wear-resisting adpting flange is arranged at the protection
The both ends for the nested bimetallic tube that outer tube is formed with the heterogeneous wear-resisting inner tube of the segmented.
Preferably, the wear-resisting adpting flange is internally provided with wear-resistant sleeve, and the wear-resistant sleeve and the porch be wear-resisting
The wear-resisting interior pipeline section of interior pipeline section or the exit connects.
Preferably, the wear-resistant sleeve is contained in inside the wear-resisting adpting flange and the wear-resistant sleeve is extending at least partially into
Connect or stretch into the wear-resisting inner tube of end in the protection outer tube in the wear-resisting inner tube of end, protection outer tube and the wear-resisting company
Acting flange welds together.
The utility model in order to protect the heterogeneous wear-resisting inner tube of segmented will not during straight tube transportation, installation and use by
External force collision, impact deformation, and caused deformation by materials inside impulsive force or even damage, provided with protection outer tube, protection
Outer tube is welded still pipe；There is a weld seam thereon；Weld seam is located at protection outer tube outer surface；Protection outer tube by low-alloy steel or in it is low
Carbon steel material is made.
The utility model is in order to solve the problems, such as to be influenceed and in order to increase entirety by casting length condition in casting process
Service life and the reduction wearing layer cost of raw material, using the heterogeneous wear-resisting inner tube of segmented；The heterogeneous wear-resisting inner tube of segmented is by filling out
Passage, the wear-resisting inner tube in porch, the wear-resisting inner tube of the wear-resisting inner tube in middle part and exit is filled to form；The wear-resisting inner tube in middle part is one or one
It is more than root；Filling channel is provided between neighbouring wear-resistant inner tube；The wear-resisting inner tube in porch, the wear-resisting inner tube in middle part and exit are wear-resisting
Inner tube is respectively by rich chromium cast iron, medium chrome cast iron, low-chromium cast-iron, wear resistant cast iron, ceramics, hard alloy, bearing steel, steel alloy, height
A kind of high-abrasive material in the high-abrasive materials such as molecular material is made；The heterogeneous wear-resisting inner tube of segmented by the wear-resisting inner tube in porch, in
The composite tube that the wear-resisting inner tube in portion and the wear-resisting inner tube in exit are combined into, it is described heterogeneous to refer between different wear-resisting pipeline sections being different
Material, its benefit are that the small place of impulsive force and the big place of impulsive force need not use equivalent material, have been saved in manufacture
Cost of material；The high-abrasive material anti-wear performance of wherein at least one use of the wear-resisting inner tube in porch and the wear-resisting inner tube in exit is big
In using material equal to the wear-resisting inner tube in middle part, whether identical the wear-resisting inner tube in porch and the wear-resisting inner tube in the exit material used be
.
It is of the present utility model applicant have observed that abrasion-proof pipe is within the 500mm of porch, especially porch 200mm with
The interior degree of wear seriously will be more than inside pipeline, also seriously be more than exit, and the abrasion in exit is also greater than pipeline
It is internal.In addition, it is of the present utility model applicant further found that, the length of porch easily-worn position is longer than exit easily-worn position
Length, therefore, devise a kind of porch and exit abrasion-proof pipe in length, thickness or material have differentiation construction
Abrasion-proof pipe, can either be cost-effective, and can enough strengthens the pipeline of anti-wear performance, greatly improves the cost performance of pipeline.
Abrasion-proof pipe of the present utility model can make full use of the high-performance abrasion-proof material of high cost, and phase is set in porch
To long high abrasion pipeline section, relatively short high abrasion pipeline section is set in exit, at the middle part of abrasion-proof pipe using commonly resistance to
Grind pipeline section, it is possible to achieve it is much higher than the cost performance and service life of existing product, it is easy to spread.
Brief description of the drawings
Fig. 1 is that the overall structure of the abrasion-proof pipe of the present utility model that difference design is carried out to porch and exit is illustrated
Figure.
Fig. 2 is the diagrammatic cross-section of the utility model abrasion-proof pipe.
Fig. 3 is the structural representation of protection outer tube 1 in Fig. 1.
Fig. 4 is the structural representation of the heterogeneous wear-resisting inner tube 3 of segmented in Fig. 1.
Fig. 5 is the cross-sectional view of wear-resisting adpting flange 2.
Reference：
| Reference numerals | Mark title | Reference numerals | Mark title |
| 1 | Protection outer tube 1 | 3-1 | Filling channel 3-1 |
| 1-1 | Weld seam 1-1 | 3-2 | The wear-resisting inner tube 3-2 in porch |
| 2 | Wear-resisting adpting flange 2 | 3-3 | The wear-resisting inner tube 3-3 in middle part |
| 2-1 | Flange 2-1 | 3-4 | The wear-resisting inner tube 3-4 in exit |
| 2-2 | Wear-resistant sleeve 2-2 | 4 | Damping filled cavity 4 |
| 3 | The heterogeneous wear-resisting inner tube 3 of segmented |
Embodiment
The utility model is described in detail below in conjunction with drawings and Examples, but therefore will be not of the present utility model
Protection domain is limited among the scope of embodiment description.
Embodiment 1：
As shown in figure 1, the present embodiment carries out the abrasion-proof pipe of difference design by protection outer tube to porch and exit
1st, the heterogeneous wear-resisting inner tube 3 of wear-resisting adpting flange 2, segmented forms, and in the present embodiment, protection outer tube 1 is welded still pipe, thereon
There is a weld seam 1-1；The heterogeneous wear-resisting inner tube 3 of segmented is wear-resisting by filling channel 3-1, the wear-resisting inner tube 3-2 in porch, middle part
Inner tube 3-3 forms with the wear-resisting inner tube 3-4 in exit；The heterogeneous wear-resisting inner tube 3 of segmented is arranged on inside protection outer tube 1, wear-resisting company
Acting flange 2 designs is packaged reinforcing at the both ends of protection outer tube 1, the heterogeneous wear-resisting inner tube 3 of segmented by welding.Preferably,
It also includes damping filled cavity 4.Damping filled cavity 4 be after the heterogeneous wear-resisting inner tube 3 of protection outer tube 1 and segmented is installed between the two
The folder dead level of formation.
The utility model protects the heterogeneous wear-resisting inner tube 3 of segmented will not be in straight tube transportation, installation and use to realize
Collided in journey by external force, impact deformation, and caused the function of deformation or even damage by materials inside impulsive force, provided with guarantor
Outer tube 1 is protected, protection outer tube 1 is welded still pipe；There is a weld seam 1-1 thereon；Weld seam 1-1 is located at the outer surface of protection outer tube 1；Protection
Outer tube 1 is made up of low-alloy steel or middle low carbon steel material.
Protection outer tube 1 described in the utility model refers to：The outside protective pipe of abrasion-proof pipe, by low-alloy steel or middle low carbon steel
Deng straight tube made of material；It is to protect the wearing layer of straight tube internal layer will not be during straight tube transportation, installation and use that it, which is acted on,
Collided by external force, impact deformed damaged, and caused deformation by materials inside impulsive force or even damage.
Wear-resisting adpting flange 2 described in the utility model refers to：Adpting flange installed in the both ends of protection outer tube 1；Its by
Flange 2-1 and wear-resistant sleeve 2-2 is formed；It acts on the connection installation for being easy for straight tube and the wearability for ensureing mouth end.
The heterogeneous wear-resisting inner tube 3 of segmented described in the utility model refers to：The interior wear-resisting combination straight tube of wear-resisting straight tube, its material
Material is from rich chromium cast iron, medium chrome cast iron, low-chromium cast-iron, wear resistant cast iron, ceramics, hard alloy, bearing steel, steel alloy, macromolecule
The high-abrasive materials such as material；It is wear-resisting by filling channel 3-1, the wear-resisting inner tube 3-2 in porch, the wear-resisting inner tube 3-3 in middle part and exit
Inner tube 3-4 is formed；Its effect is that solve the problems, such as to be influenceed and increased most easily-worn position by casting length condition in casting process
Wearability and reduce the wearing layer cost of raw material.In the present embodiment, the wear-resisting inner tube 3-3 in middle part number is one.It is preferred that
Ground, porch uses the one or more in rich chromium cast iron, ceramics, wear-resisting alloy steel or hard alloy to be made, and then ensures it
Anti-wear performance.
Damping filled cavity 4 described in the utility model refers to：After protection outer tube 1 is installed with the heterogeneous wear-resisting inner tube 3 of segmented
The folder dead level formed between the two；It is filling damping, close material that it, which is acted on, and vibration-absorptive material can be pre-charged with, can also be
During concrete pumping, by Concrete Filled or on the basis of being pre-charged with, further filled by concrete.
In the present embodiment, the wear-resisting interior pipeline section 3-2 in porch length is longer than the wear-resisting interior pipeline section 3-4 in exit length
Degree, it is preferable that the wear-resisting interior pipeline section 3-2 in porch length between 20mm-200mm, the wear-resisting interior pipeline section 3-4's in exit
Length is between 10mm-100mm.
Embodiment 2：
On the basis of the wear-resisting interior pipeline section 3-2 in porch length is longer than the wear-resisting interior pipeline section 3-4 in exit length,
Interior pipeline section 3-2 wear-resisting to porch and the wear-resisting interior pipeline section 3-4 in exit thickness have carried out the setting of differentiation, specifically,
The wear-resisting interior pipeline section 3-2 in porch thickness is set to be more than the wear-resisting interior pipeline section 3-4 in exit thickness.
Embodiment 3：
In the present embodiment, the essential structure of straight tube is same as Example 1, has been merely given as a kind of specific wear-resisting connection
Flange.As shown in figure 5, wear-resisting adpting flange 2 is made up of flange 2-1 and wear-resistant sleeve 2-2；Wear-resistant sleeve 2-2 is arranged in flange 2-1
Portion.
Flange 2-1 described in the utility model refers to：The building block of wear-resisting adpting flange 2；Its effect is easy for straight tube
Connection with other equipment is installed.
Wear-resistant sleeve 2-2 described in the utility model refers to：By rich chromium cast iron, low-chromium cast-iron, medium chrome cast iron, wear resistant cast iron,
A kind of manufactured wear-resistant sleeve in the high-abrasive material such as steel alloy, bearing steel, ceramics, hard alloy, high polymer material；Its effect is
Extend the service life of wear-resisting adpting flange 2 and improve sealing.
Although its principle is described in detail above in conjunction with preferred embodiment of the present utility model, art technology
Personnel are it should be understood that above-described embodiment is only the explanation to exemplary implementation of the present utility model, not to this practicality
The restriction of new scope.Details in embodiment does not form the limitation to the scope of the utility model, without departing substantially from this reality
In the case of with new spirit and scope, any equivalent transformation based on technical solutions of the utility model, simple replacement etc. are aobvious
And the change being clear to, all fall within scope of protection of the utility model.
Claims (9)
1. a kind of abrasion-proof pipe that difference design is carried out to porch and exit, it is characterised in that the abrasion-proof pipe includes：
The heterogeneous wear-resisting inner tube (3) of protection outer tube (1), segmented, the protection outer tube (1) are nested in the heterogeneous wear-resisting inner tube of the segmented
(3) outside, the heterogeneous wear-resisting inner tube (3) of segmented are wear-resisting including the wear-resisting interior pipeline section (3-2) in porch, one or more middle parts
Interior pipeline section (3-3), the wear-resisting interior pipeline section (3-4) in exit, each wear-resisting interior pipeline section is connected in order each other, wherein, the porch
The length of wear-resisting interior pipeline section (3-2) is longer than the length of the wear-resisting interior pipeline section (3-4) in the exit.
2. the abrasion-proof pipe according to claim 1 that difference design is carried out to porch and exit, it is characterised in that three
The difference of at least one of the wear-resisting inner tube of the kind material of inner tube and other inner tube materials.
3. the abrasion-proof pipe according to claim 2 that difference design is carried out to porch and exit, it is characterised in that institute
The length of the wear-resisting interior pipeline section (3-2) in porch is stated between 20mm-500mm, the length of the wear-resisting interior pipeline section in exit exists
Between 10mm-200mm.
4. the abrasion-proof pipe according to claim 3 that difference design is carried out to porch and exit, it is characterised in that institute
The length of the wear-resisting interior pipeline section (3-2) in porch is stated between 20mm-300mm, the length of the wear-resisting interior pipeline section (3-4) in exit
Between 10mm-150mm.
5. the abrasion-proof pipe according to claim 4 that difference design is carried out to porch and exit, it is characterised in that institute
The length of the wear-resisting interior pipeline section (3-2) in porch is stated between 20mm-200mm, the length of the wear-resisting interior pipeline section (3-4) in exit
Between 10mm-100mm.
6. the abrasion-proof pipe that difference design is carried out to porch and exit according to one of claim 1-5, its feature
It is, the wear-resisting interior pipeline section (3-2) in porch uses the anti-wear performance of material to be better than the wear-resisting interior pipeline section (3-3) in the middle part
Used material, the wear-resisting interior pipeline section (3-4) in exit use the anti-wear performance of material to be better than the wear-resisting inner tube in the middle part
Section (3-3).
7. the abrasion-proof pipe that difference design is carried out to porch and exit according to one of claim 1-5, its feature
It is, the abrasion-proof pipe also includes wear-resisting adpting flange (2), and the wear-resisting adpting flange (2) is arranged at the protection outer tube
(1) both ends of the nested bimetallic tube formed with the heterogeneous wear-resisting inner tube (3) of the segmented.
8. the abrasion-proof pipe according to claim 6 that difference design is carried out to porch and exit, it is characterised in that institute
State the wear-resistant sleeve that is internally provided with of wear-resisting adpting flange, the wear-resistant sleeve and the wear-resisting interior pipeline section (3-2) or described in the porch
The wear-resisting interior pipeline section (3-4) in exit connects.
9. the abrasion-proof pipe according to claim 6 that difference design is carried out to porch and exit, it is characterised in that institute
State that wear-resistant sleeve is contained in inside the wear-resisting adpting flange and the wear-resistant sleeve is extending at least partially into the protection outer tube (1)
Connect or stretch into the wear-resisting inner tube of end in the wear-resisting inner tube of end, protection outer tube (1) is welded with the wear-resisting adpting flange
Together.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100660630 | 2017-02-06 | ||
| CN201710066063 | 2017-02-06 | ||
| CN2017205720012 | 2017-05-22 | ||
| CN201720571891 | 2017-05-22 | ||
| CN201720572001 | 2017-05-22 | ||
| CN2017205718915 | 2017-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206943694U true CN206943694U (en) | 2018-01-30 |
Family
ID=61345158
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720700389.XU Active CN206929448U (en) | 2017-02-06 | 2017-06-16 | A kind of heterogeneous segmented high abrasion bilayer straight tube for material conveying |
| CN201720700422.9U Active CN206988624U (en) | 2017-02-06 | 2017-06-16 | A kind of wear-resisting adpting flange for abrasion-proof pipe |
| CN201720700423.3U Active CN206943694U (en) | 2017-02-06 | 2017-06-16 | A kind of abrasion-proof pipe that difference design is carried out to porch and exit |
| CN201720700388.5U Active CN206929446U (en) | 2017-02-06 | 2017-06-16 | A kind of segmented high abrasion bilayer straight tube for end strengthen reinforcing |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720700389.XU Active CN206929448U (en) | 2017-02-06 | 2017-06-16 | A kind of heterogeneous segmented high abrasion bilayer straight tube for material conveying |
| CN201720700422.9U Active CN206988624U (en) | 2017-02-06 | 2017-06-16 | A kind of wear-resisting adpting flange for abrasion-proof pipe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720700388.5U Active CN206929446U (en) | 2017-02-06 | 2017-06-16 | A kind of segmented high abrasion bilayer straight tube for end strengthen reinforcing |
Country Status (1)
| Country | Link |
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| CN (4) | CN206929448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500567A (en) * | 2018-02-12 | 2018-09-07 | 周朝辉 | A kind of abrasion-proof pipe preparation method improving yield rate |
| JP2020521085A (en) * | 2017-05-22 | 2020-07-16 | 周朝▲輝▼ＺＨＯＵ， Ｚｈａｏｈｕｉ | Method of manufacturing split type high wear resistant double layer straight pipe and corresponding wear resistant straight pipe |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3543586B1 (en) * | 2018-03-21 | 2020-10-14 | Esser -Werke GmbH & Co. KG | Hybrid pipe with pipe collar and wear ring and method for producing the same |
| CN113587666B (en) * | 2021-08-03 | 2023-09-05 | 攀钢集团西昌钢钒有限公司 | Repairing method for large flue gas duct of sintering machine |
-
2017
- 2017-06-16 CN CN201720700389.XU patent/CN206929448U/en active Active
- 2017-06-16 CN CN201720700422.9U patent/CN206988624U/en active Active
- 2017-06-16 CN CN201720700423.3U patent/CN206943694U/en active Active
- 2017-06-16 CN CN201720700388.5U patent/CN206929446U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020521085A (en) * | 2017-05-22 | 2020-07-16 | 周朝▲輝▼ＺＨＯＵ， Ｚｈａｏｈｕｉ | Method of manufacturing split type high wear resistant double layer straight pipe and corresponding wear resistant straight pipe |
| JP7266303B2 (en) | 2017-05-22 | 2023-04-28 | 周朝▲輝▼ | Manufacturing method of split-type highly wear-resistant double-layer straight pipe and corresponding wear-resistant straight pipe |
| CN108500567A (en) * | 2018-02-12 | 2018-09-07 | 周朝辉 | A kind of abrasion-proof pipe preparation method improving yield rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206929446U (en) | 2018-01-26 |
| CN206988624U (en) | 2018-02-09 |
| CN206929448U (en) | 2018-01-26 |
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Effective date of registration: 20231117 Address after: 410604 xiaduopu Machinery Industrial Park, Ningxiang County, Changsha City, Hunan Province Patentee after: Changsha talent Machinery Equipment Co.,Ltd. Address before: 410604 Tianshi Road, high tech Development Zone, Ningxiang County, Changsha City, Hunan Province Patentee before: Zhou Chaohui |
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