CN2591369Y - Composite material transfer tube for boiler use - Google Patents
Composite material transfer tube for boiler use Download PDFInfo
- Publication number
- CN2591369Y CN2591369Y CN 02244892 CN02244892U CN2591369Y CN 2591369 Y CN2591369 Y CN 2591369Y CN 02244892 CN02244892 CN 02244892 CN 02244892 U CN02244892 U CN 02244892U CN 2591369 Y CN2591369 Y CN 2591369Y
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- CN
- China
- Prior art keywords
- tube
- pipe
- metal
- wear
- utility
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- 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.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 208000001840 Dandruff Diseases 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model provides a composite material transfer tube for a boiler, which is composed of a metallic outer sleeve tube and a sectional type nonmetallic inner lining tube, and the butt joint surface of a sectional type nonmetallic wear-resistant material inner lining tube body is made into a steplike sealing combined surface. When the utility model is used, the tube body of the nonmetallic inner lining tube is inserted into the metallic outer sleeve tube segment by segment, and then, a metallic flange is welded on the end surface of the metallic outer sleeve tube. A hole of a fixed bolt with a screw thread is arranged on the wall of the metallic outer sleeve tube, and the fixed bolt can be screwed into the hole of the fixed bolt to cause the tube body of the nonmetallic inner lining tube to be tightly supported. The utility model not only can better satisfy the high-temperature resistant requirement and the wear-resistant requirement but also can reduce manufacture cost obviously.
Description
The utility model relates to a kind of composite material boiler Material pipeline of being made up of metal jacket pipe and segmented non-metallic inner liner pipe.
Boiler utilization aspect generating and heat supply is very extensive, material (as coal, ash, slag) all is to send into and discharge with pipeline in its stove, because its material quantity of sending into and discharging is very big and higher flow velocity arranged, therefore require its conveyance conduit to have very strong wear resistance, simultaneously, because material extreme temperatures when circulation and discharge in its stove, all between 800 ℃-1100 ℃, therefore require its conveyance conduit to have very high resistance to high temperature simultaneously as the separator feed back inner tube wall operating temperature of the scum pipe of pulverized coal furnace, circulating fluidized bed boiler and circulating fluidized bed boiler.At present the material conveying pipe of corresponding site adopts special refractory steel manufacturing mostly on the boiler, and its cost is very expensive, but its wear-resisting and resistance to high temperature does not make us very satisfied.
Task of the present utility model provides a kind of high temperature resistant and wear-resisting requirement that can satisfy boiler to material conveying pipe better, can reduce the boiler composite material mass transport pipe arrangement of manufacture cost again.
Task of the present utility model is finished as follows: be made into segmented non-metallic inner liner pipe body with nonmetal high-temperature and wear-proof (as the corundum-mullite pouring material), the interface of body is made into step-like sealed faying face, behind the non-metallic inner liner pipe body castable, again through high temperature sintering to improve its intensity and hardness.During use non-metallic inner liner pipe body inserted piecemeal can with metal jacket pipe that its external diameter matches in, in the welding of metal jacket pipe end face, get final product again to the length that needs in order to the metal flange of making back-up ring and interconnect function.On the metal-coating tube wall, have threaded fixed bolt hole, can screw in fixing bolt thus, prevent that the non-metallic inner liner body from closely not becoming flexible because of cooperating with metal jacket pipe to hold out against non-metallic inner liner pipe body.
The utility model is compared with existing metallic conduit and is had the following advantages: 1, high temperature resistant and wear-resisting property is better.Because the scurf resistance of metal reduces with the rising of temperature, and the part that the utility model contacts with high temperature and high flow rate material in actual use is the nonmetallic wear-resistant material formation, nonmetallic wear-resistant material is after reaching sintering state, and its scurf resistance reaches the highest.Therefore, it not only can satisfy the high temperature resistant and wear-resisting requirement of boiler to Material pipeline fully, and its wear-resisting property is more stable than metal under 800 ℃ of-1100 ℃ of concrete operating modes; 2, cheap.Because its metal jacket pipe does not contact with material, need not to consider simultaneously wear-resisting and high temperature resistant requirement, thereby reduced cost on material is selected for use.In addition, because nonmetallic wear-resistant material ton valency is well below heating resisting metal, and its proportion also is significantly less than metal, and the weight of same volume consumable material is less than half of metallic material weight, and therefore the combined type material conveying pipe cost by its making greatly reduces.So the combined type Material pipeline is when having improved the high temperature resistant and abrasionproof performance of boiler Material pipeline, cost also is starkly lower than existing heating resisting metal pipeline.
Fig. 1 is a sectional view of the present utility model, and Fig. 2 is a plan view of the present utility model.
1 is nonmetallic wear-resistant material internal lining pipe body among the figure, and 2 is metal jacket pipe, and 3 is the sealed faying face of segmented nonmetallic wear-resistant material internal lining pipe body, and 4 is fixing bolt, and 5 is metal flange, and 6 is flange hole.
With reference to accompanying drawing, the utility model can be made into segmented internal lining pipe body with nonmetallic wear-resistant material earlier in force, again the non-metallic inner liner pipe is inserted piecemeal can with metal jacket pipe that its external diameter matches in, in the welding of metal tube end face, screw in the fixed hole non-metallic inner liner pipe held out against again to the length that needs and get final product in order to the metal flange of making back-up ring and interconnect function and with fixing bolt.
Claims (5)
1, a kind of mass transport pipe arrangement that applies to boiler is characterized in that described device is to be combined by metal jacket pipe and segmented non-metallic inner liner pipe.
2, Material pipeline according to claim 1 is characterized in that the interface of nonmetallic wear-resistant material liner body is made into step-like sealed faying face.
3, Material pipeline according to claim 1 is characterized in that non-metallic inner liner pipe outside is with the metal jacket pipe that matches with the internal lining pipe external diameter.
4, Material pipeline according to claim 1 is characterized in that the metal jacket pipe end face is welded with in order to make the metal flange of back-up ring and interconnect function.
5, Material pipeline according to claim 1 is characterized in that having on the metal-coating tube wall threaded fixed bolt hole, can screw in fixing bolt thus to hold out against non-metallic inner liner pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02244892 CN2591369Y (en) | 2002-11-25 | 2002-11-25 | Composite material transfer tube for boiler use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02244892 CN2591369Y (en) | 2002-11-25 | 2002-11-25 | Composite material transfer tube for boiler use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591369Y true CN2591369Y (en) | 2003-12-10 |
Family
ID=33716661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02244892 Expired - Fee Related CN2591369Y (en) | 2002-11-25 | 2002-11-25 | Composite material transfer tube for boiler use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591369Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204483A (en) * | 2016-12-20 | 2018-06-26 | 本钢板材股份有限公司 | A kind of internal lining pipe for reducing the abrasion of grain slag recirculation conduit main pipe |
| CN119687280A (en) * | 2024-12-25 | 2025-03-25 | 西安热工研究院有限公司 | Drainage tube and drainage device based on the drainage tube |
-
2002
- 2002-11-25 CN CN 02244892 patent/CN2591369Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204483A (en) * | 2016-12-20 | 2018-06-26 | 本钢板材股份有限公司 | A kind of internal lining pipe for reducing the abrasion of grain slag recirculation conduit main pipe |
| CN119687280A (en) * | 2024-12-25 | 2025-03-25 | 西安热工研究院有限公司 | Drainage tube and drainage device based on the drainage tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |