CN219755693U - Pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow - Google Patents
Pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow Download PDFInfo
- Publication number
- CN219755693U CN219755693U CN202320895852.6U CN202320895852U CN219755693U CN 219755693 U CN219755693 U CN 219755693U CN 202320895852 U CN202320895852 U CN 202320895852U CN 219755693 U CN219755693 U CN 219755693U
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- CN
- China
- Prior art keywords
- silicon carbide
- carbide ceramic
- pipeline
- lining
- pipeline elbow
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 44
- 239000000919 ceramic Substances 0.000 title claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000011152 fibreglass Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000013003 hot bending Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 229910003460 diamond Inorganic materials 0.000 abstract description 2
- 239000010432 diamond Substances 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model discloses a pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow, belongs to the technical field of pipeline elbows, and aims to solve the problems of high elbow surface resistance and serious erosion and abrasion after a traditional pneumatic conveying pipeline elbow is put into use. The inner layer of the pipeline elbow is a silicon carbide ceramic lining, the outer layer of the pipeline elbow is a steel shell, the inner layer of the steel shell is a reinforced layer made of glass fiber reinforced plastics, the reinforced layer made of glass fiber reinforced plastics is connected with the silicon carbide ceramic lining through an adhesive, the pipeline elbow can be directly abutted, the pipeline elbow is suitable for abutting joint between all-lining silicon carbide ceramic pipelines, and is also suitable for abutting joint of the lining silicon carbide ceramic pipelines and common pipelines. The lining of the utility model adopts silicon carbide ceramic with the thickness not less than 10 mm, the hardness is inferior to that of diamond, and the lining has high oxidation resistance, high corrosion resistance and high temperature resistance, the wear-resisting service life is more than twice that of an alumina ceramic composite pipeline, the cost performance is high, and the application prospect is wide.
Description
Technical Field
The utility model relates to the technical field of pipeline elbows, in particular to a pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow.
Background
A pipe bend is a pipe connection base that is commonly used to change the direction and angle of a pipeline. Pipe bends are mounted at the pipe joints and bend in the desired angle and direction to allow the material being conveyed to be rearranged and distributed through the pipe.
In the pneumatic conveying pipeline system, the existing cast steel pipeline elbow and aluminum oxide composite pipeline elbow have large surface resistance and large friction with materials after being put into use, so that the problem of serious scouring abrasion can be generated, the service life of the pipeline elbow is reduced, even the pipeline elbow is worn out, and the requirements under the current situation are not met.
Disclosure of Invention
The utility model aims to overcome the defects of high surface resistance, serious scouring wear and wearing of a pipeline elbow after the pipeline in the prior art is put into use, and provides a pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow. Compared with the traditional cast steel pipeline elbow and aluminum oxide composite pipeline elbow, the novel pipeline elbow has continuous and smooth surface and small resistance, and can effectively prolong the service life of the pipeline elbow in pneumatic conveying.
The utility model is realized by the following technical scheme:
the utility model provides a pneumatic conveying powdery material carborundum pottery composite wear-resisting pipeline elbow, includes the pipeline elbow body, the inlayer of pipeline elbow body is carborundum pottery inner liner, and the skin is steel shell, steel shell inlayer is glass steel enhancement layer, put the binder in the middle of glass steel enhancement layer and the carborundum pottery inner liner, steel shell can set up to directly dock, by outer flange joint, also can set up to the changeover portion butt joint, by interior flange joint.
The silicon carbide ceramic lining layer is formed by firing a die, and the steel shell is formed by hot bending.
The butt joint end of the pipeline elbow body can be directly butt-jointed and is suitable for butt joint between all-lining silicon carbide ceramic pipelines; the butt joint of the transition section can also be set, and the butt joint device is suitable for butt joint of a lining silicon carbide ceramic pipeline and a common pipeline.
The outside of carborundum pottery inner liner is provided with the binder, the binder outside is provided with glass steel and regard as the enhancement layer.
The utility model has the advantages that: 1. the lining of the utility model adopts silicon carbide ceramic with the thickness not less than 10 mm, has the Mohs hardness of 9.5, is inferior to diamond, and has the advantages of high oxidation resistance, high corrosion resistance, high temperature resistance and the like. The silicon carbide also has extremely high compressive strength and elastic modulus, and higher thermal conductivity and thermal shock resistance, and the performances enable the silicon carbide ceramic to have extremely high structural strength and extremely wear resistance, and the wear-resistant service life of the silicon carbide ceramic composite pipeline is more than twice that of an alumina ceramic composite pipeline, so that the maintenance times and replacement times of the pipeline are reduced, the running reliability of equipment is improved, and the cost is saved.
2. The silicon carbide ceramic has low friction coefficient, the surface of the lining silicon carbide ceramic is smooth and transits smoothly, the resistance is small, and the material accumulation and blockage can be effectively relieved.
3. The silicon carbide ceramic still has high strength at high temperature, the strength of the common ceramic material is obviously reduced at the temperature of more than 1200 ℃, the bending strength of the silicon carbide ceramic at the temperature of 1400 ℃ can still be kept at 500-600 MPa, and the working temperature can reach 1500 ℃, so that the shell steel pipe of the silicon carbide ceramic pipeline elbow can be welded at will when the pipeline is installed and connected, and the lining silicon carbide ceramic cannot be broken.
4. The silicon carbide abrasion-resistant ceramic pipeline butt joint part can be directly butt-jointed, is suitable for butt joint between all-lining silicon carbide ceramic pipelines, can also be butt-jointed as a transition section, is suitable for butt joint between lining silicon carbide ceramic pipelines and common pipelines, and has flexible and changeable application scene.
5. The outside of carborundum inside lining is provided with the binder, the binder outside is provided with glass steel and is regarded as the enhancement layer, makes carborundum ceramic pipeline elbow have good compressive resistance, corrosion resistance and heat property.
Drawings
FIG. 1 is an outline view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an end cross-sectional view of the present utility model;
in the figure, 1, a pipeline elbow body; 2. a steel housing; 3. an adhesive; 4. a glass fiber reinforced plastic reinforcing layer; 5. silicon carbide ceramic inner liners (not of equal thickness); 6. a transitional butt joint end; 7. and (5) directly butting the ends.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-3, a pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow comprises a pipeline elbow body 1, wherein a silicon carbide ceramic lining layer 5 fired by a die is arranged on the inner layer of the pipeline elbow body 1, a steel shell 2 formed by hot bending processing is arranged on the outer layer of the pipeline elbow body 1, a glass fiber reinforced plastic reinforcing layer 4 is arranged on the inner layer of the steel shell 2, the glass fiber reinforced plastic reinforcing layer 4 is connected with the silicon carbide ceramic lining layer 5 through an adhesive 3, the butt joint end of the pipeline elbow body 1 can be set to be in direct butt joint 7, the butt joint is suitable for butt joint between all-lined silicon carbide ceramic pipelines, and the butt joint of a transition section 6 is also suitable for butt joint between lining silicon carbide ceramic pipelines and common pipelines.
Claims (3)
1. A pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow is characterized in that: the pipe elbow comprises a pipe elbow body, wherein the pipe elbow body comprises a silicon carbide ceramic lining layer and a steel shell, a glass fiber reinforced plastic reinforcing layer is arranged on the inner side of the steel shell, and the glass fiber reinforced plastic reinforcing layer is connected with the silicon carbide ceramic lining layer through an adhesive.
2. The pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipe elbow according to claim 1, wherein: the silicon carbide ceramic lining layer is formed by firing a die, and the steel shell is formed by hot bending.
3. The pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipe elbow according to claim 1, wherein: the butt joint ends at the two ends of the pipeline elbow body are set to be direct butt joint ends or transitional butt joint ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320895852.6U CN219755693U (en) | 2023-04-20 | 2023-04-20 | Pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320895852.6U CN219755693U (en) | 2023-04-20 | 2023-04-20 | Pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755693U true CN219755693U (en) | 2023-09-26 |
Family
ID=88076626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320895852.6U Active CN219755693U (en) | 2023-04-20 | 2023-04-20 | Pneumatic conveying powdery material silicon carbide ceramic composite wear-resistant pipeline elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755693U (en) |
-
2023
- 2023-04-20 CN CN202320895852.6U patent/CN219755693U/en active Active
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| GR01 | Patent grant |