CN216715560U - Wear-resistant and high-temperature-resistant metal expansion joint for inclined tube or vertical tube of catalytic reverse recycling system - Google Patents
Wear-resistant and high-temperature-resistant metal expansion joint for inclined tube or vertical tube of catalytic reverse recycling system Download PDFInfo
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- CN216715560U CN216715560U CN202122221013.XU CN202122221013U CN216715560U CN 216715560 U CN216715560 U CN 216715560U CN 202122221013 U CN202122221013 U CN 202122221013U CN 216715560 U CN216715560 U CN 216715560U
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Abstract
The wear-resistant and high-temperature-resistant metal expansion joint is used for an inclined pipe or a vertical pipe of a catalytic reverse system, and comprises an inlet end joint pipe, a middle component, an outlet end joint pipe, a heat preservation layer, a lining baffle ring, a guide flow cylinder component, a heat insulation layer, a high wear-resistant lining, a heat-insulating wear-resistant lining and a baffle ring component; the outer wall cladding of draft tube subassembly has the draft tube insulating layer, set up high wear-resisting lining on its inner wall, keep off the ring subassembly including keeping off the ring, interior bushing and fender ring insulating layer, interior bushing is the awl shell structure of both ends hem, the one end welding of interior bushing is on the lining fender ring of outlet end union coupling, the other end welding has the fender ring, be equipped with the clearance between the outside of fender ring and the inner wall that the outlet end was taken over, be equipped with high wear-resisting lining on the inner wall of interior bushing, outlet end union coupling, the space intussuseption that the lining fender ring of outlet end union coupling encloses is filled with fender ring insulating layer. The expansion joint has the effects of wear resistance and high temperature resistance, and can prevent the erosion of the catalyst to the lining cylinder.
Description
Technical Field
The utility model relates to a heat compensation technology for a wear-resistant pipeline of a reverse recycling system of a catalytic device, in particular to a wear-resistant and high-temperature-resistant metal expansion joint for an inclined pipe or a vertical pipe of the catalytic reverse recycling system.
Background
The reverse recycling system is the core of the catalytic device, and a typical catalytic device reverse recycling system is arranged as shown in fig. 1, media in a pipeline connecting a regenerator and a reactor are high-temperature flue gas, oil gas and catalyst particles, and the catalyst particles with high flow velocity can cause abrasion perforation of a metal pipeline, so that the reverse recycling inclined pipe adopts a pipeline with a heat-insulation wear-resistant lining, the wear resistance of the pipeline is improved, and the heat dissipation loss of the pipeline is reduced. To reduce the stress of thermal expansion of the pipe, the pipe needs to use expansion joints to absorb the thermal expansion. By adopting the expansion joint compensation, an expansion gap inevitably exists, and the wear-resistant design at the expansion gap is a difficult point for designing the expansion joint.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a wear-resistant and high-temperature-resistant metal expansion joint for an inclined pipe or a vertical pipe of a catalytic reverse recycling system, which has the effects of wear resistance and high temperature resistance and can prevent a catalyst from washing an inner lining cylinder.
In order to realize the technical purpose, the adopted technical scheme is as follows: the wear-resistant and high-temperature-resistant metal expansion joint is used for an inclined pipe or a vertical pipe of a catalytic reverse system, and comprises an inlet end joint pipe, a middle component, an outlet end joint pipe, a heat preservation layer, a lining baffle ring, a guide flow cylinder component, a heat insulation layer, a high wear-resistant lining, a heat-insulating wear-resistant lining and a baffle ring component;
an inlet end connecting pipe and an outlet end connecting pipe are respectively welded at two ends of the middle assembly, and a heat-insulating layer is coated on the outer side of the middle assembly;
the inner walls of the inlet end connecting pipe and the outlet end connecting pipe are both welded with lining baffle rings, and the inner walls of the inlet end connecting pipe and the outlet end connecting pipe on the two sides of the two lining baffle rings are provided with heat-insulating wear-resistant linings;
the liner baffle ring of the inlet end joint pipe is welded with a guide cylinder assembly, the liner baffle ring of the outlet end joint pipe is connected with a baffle ring assembly, the baffle ring assembly and the guide cylinder assembly are inserted and overlapped, and the inserted part is provided with a thermal expansion gap;
the outer wall cladding of draft tube subassembly has the draft tube insulating layer, set up high wear-resisting lining on its inner wall, keep off the ring subassembly including keeping off the ring, interior bushing and fender ring insulating layer, interior bushing is the awl shell structure of both ends hem, the one end welding of interior bushing is on the lining fender ring of outlet end union coupling, the other end welding has the fender ring, be equipped with the clearance between the outside of fender ring and the inner wall that the outlet end was taken over, be equipped with high wear-resisting lining on the inner wall of interior bushing, outlet end union coupling, the space intussuseption that the lining fender ring of outlet end union coupling encloses is filled with fender ring insulating layer.
The draft tube heat insulation layer is a glass wool heat insulation layer or an aluminum silicate fiber heat insulation layer.
The baffle ring heat insulation layer is a glass wool heat insulation layer or an aluminum silicate fiber heat insulation layer.
The inner wall of the heat-insulating wear-resistant lining is provided with a high-wear-resistant lining.
The angle of the middle conical shell section of the lining cylinder is less than or equal to 45 degrees.
And a dustproof check ring is fixed between the free end of the guide cylinder assembly and the baffle ring assembly.
The utility model has the beneficial effects that: the key parts of the expansion joint are coated with heat insulation layers, and the inner wall of the baffle ring assembly is additionally provided with a tortoise shell net high-wear-resistant lining, so that the baffle ring assembly is prevented from being perforated and damaged under the washing of a catalyst. The lining barrel is designed into a conical shell structure with two folded edges at two ends, so that the flowing of the catalyst is facilitated, and the damage to the lining barrel caused by the deposition of the catalyst is avoided.
Drawings
FIG. 1 is a schematic diagram of a catalytic unit reverse system;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the novel retainer assembly;
in the figure: 1. the device comprises a regenerator, 2, a reactor, 3, a to-be-regenerated inclined pipe, 4, a regenerated inclined pipe, 5, an inlet end connecting pipe, 6, a guide cylinder assembly, 7, a guide cylinder heat-insulating layer, 8, a corrugated pipe, 9, a heat-insulating layer, 10, a dustproof retainer ring, 11, a lining retainer ring, 12, an outlet end connecting pipe, 13, a retainer ring assembly, 14, a high-wear-resistant lining, 15, a heat-insulating wear-resistant lining, 13-1, a retainer ring, 13-2, a tortoise shell net, 13-3, an inner lining cylinder, 13-4 and a retainer ring heat-insulating layer.
Detailed Description
As shown in figure 2, the wear-resistant and high-temperature-resistant metal expansion joint for the inclined pipe or the vertical pipe of the catalytic reverse recycling system comprises an inlet end connecting pipe 5, a middle component, an outlet end connecting pipe 12, a heat insulating layer 9, a lining baffle ring 11, a guide cylinder component 6, a guide cylinder heat insulating layer 7, a high wear-resistant lining 14, a heat-insulating wear-resistant lining 15 and a baffle ring component 13.
The two ends of the middle component are respectively welded with an inlet end connecting pipe 5 and an outlet end connecting pipe 12, and the outer side of the middle component is coated with a heat-insulating layer 9. The middle component is a component with a compensation function and containing a corrugated pipe 8, and can adopt a single corrugated pipe, a series corrugated pipe or various internal and external pressure corrugated pipe structures in a composition form.
The inner walls of the inlet end connecting pipe 5 and the outlet end connecting pipe 12 are both welded with lining baffle rings 11, the inner walls of the inlet end connecting pipe 5 and the outlet end connecting pipe 12 on two sides of the two lining baffle rings 11 are provided with heat-insulating wear-resistant linings 15, the heat-insulating wear-resistant linings 15 can be formed by welding frameworks on the end connecting pipes and then coating heat-insulating coatings on the frameworks.
The liner of the inlet end connecting pipe 5 keeps off the ring 11 and welds and has a guide shell assembly 6, the liner of the outlet end connecting pipe 12 keeps off the ring 11 and is connected with and keeps off the ring assembly 13, keep off the ring assembly 13 and guide shell assembly 6 and to inserting overlapping, to inserting the part and being equipped with the thermal expansion clearance, the thermal expansion clearance that leaves guarantees the expansion joint carries out the adaptive deformation when the pipeline thermal expansion.
The outer wall of the guide shell assembly 6 is coated with a guide shell heat insulation layer 7, the inner wall of the guide shell assembly is provided with a high wear-resistant lining 14, the high wear-resistant lining 14 can be formed by arranging a tortoise shell net and then adding wear-resistant paint, as shown in figure 3, a baffle ring assembly 13 comprises a baffle ring 13-1, an inner lining shell 13-3 and a baffle ring heat insulation layer 13-4, the inner lining shell 13-3 is of a conical shell structure with two folded edges, the flowing of a catalyst is facilitated, the catalyst can be prevented from directly impacting the surface of the inner lining shell, the axis of the folded edges is overlapped with the axis of an expansion joint, one end of the inner lining shell 13-3 is welded on a lining baffle ring 11 of an outlet end connecting pipe 12, the other end of the inner lining shell is welded with the baffle ring 13-1, a gap is arranged between the outer side of the baffle ring 13-1 and the inner wall of the outlet end connecting pipe 12, so that the baffle ring assembly also has a certain deformation amount, the high wear-resistant lining 14 is arranged on the inner wall of the inner lining shell 13-3, and a space surrounded by the lining barrel 13-3, the outlet end connecting pipe 12 and the lining baffle ring 11 of the outlet end connecting pipe 12 is filled with a baffle ring heat-insulating layer 13-4, so that the heat-insulating effect is achieved.
The draft tube heat insulation layer 7 is a glass wool heat insulation layer or an aluminum silicate fiber heat insulation layer.
The baffle ring heat insulation layer 13-4 is a glass wool heat insulation layer or an aluminum silicate fiber heat insulation layer.
The inner wall of the heat-insulating wear-resistant lining 15 is provided with the high wear-resistant lining 14, and the innermost surface of the expansion joint which is finally formed is ensured to be flush without influencing the flow of internal media and generating blocking.
The angle of the middle conical shell section of the lining barrel 13-3 is designed to be less than or equal to 45 degrees, so that the flow of the catalyst is more reasonable.
A dustproof check ring 10 is fixed between the free end of the guide cylinder assembly 6 and the stop ring assembly 13, the dustproof check ring 10 can be a metal wire mesh, when the catalyst is prevented from entering the middle assembly, the pressure is not prevented from conducting middle resistance, the expansion joint can still deform in a self-adaptive mode, and the catalyst is prevented from damaging the corrugated pipe.
The expansion joint type adopting the flow guide cylinder assembly and baffle ring assembly combined structure, such as an axial type, a compound free (universal) proportional connecting rod type, a compound straight pipe pressure balance type and the like, is within the scope of the claims of the structure.
The structure of the present invention not described in detail is consistent with the prior art disclosed.
Claims (6)
1. A wear-resisting high temperature resistant metal expansion joint for catalysis anti-system pipe chute or riser, its characterized in that: the expansion joint comprises an inlet end connecting pipe (5), a middle component, an outlet end connecting pipe (12), a heat insulating layer (9), a lining baffle ring (11), a guide cylinder component (6), a guide cylinder heat insulating layer (7), a high wear-resistant lining (14), a heat insulating wear-resistant lining (15) and a baffle ring component (13);
an inlet end connecting pipe (5) and an outlet end connecting pipe (12) are respectively welded at two ends of the middle assembly, and an insulating layer (9) is coated on the outer side of the middle assembly;
lining baffle rings (11) are welded on the inner walls of the inlet end connecting pipe (5) and the outlet end connecting pipe (12), and heat-insulating wear-resistant linings (15) are arranged on the inner walls of the inlet end connecting pipe (5) and the outlet end connecting pipe (12) on the two sides of the two lining baffle rings (11);
a guide cylinder assembly (6) is welded on a lining baffle ring (11) of the inlet end joint pipe (5), a baffle ring assembly (13) is connected on the lining baffle ring (11) of the outlet end joint pipe (12), the baffle ring assembly (13) and the guide cylinder assembly (6) are oppositely inserted and overlapped, and a thermal expansion gap is arranged at the oppositely inserted part;
the outer wall of the guide cylinder assembly (6) is coated with a guide cylinder heat-insulating layer (7), the inner wall of the guide cylinder assembly is provided with a high-wear-resistant lining (14), the baffle ring assembly (13) comprises a baffle ring (13-1), an inner lining cylinder (13-3) and a baffle ring heat-insulating layer (13-4), the inner lining cylinder (13-3) is of a conical shell structure with two folded edges at two ends, one end of the inner lining cylinder (13-3) is welded on a lining baffle ring (11) of an outlet end joint pipe (12), the other end of the inner lining cylinder is welded with the baffle ring (13-1), a gap is formed between the outer side of the baffle ring (13-1) and the inner wall of the outlet end joint pipe (12), the inner wall of the inner lining cylinder (13-3) is provided with the high-wear-resistant lining (14), and a space surrounded by the lining barrel (13-3), the outlet end joint pipe (12) and the lining baffle ring (11) of the outlet end joint pipe (12) is filled with a baffle ring heat insulation layer (13-4).
2. The wear and high temperature resistant metal expansion joint for a catalytic reverse system pipe chute or riser as claimed in claim 1 wherein: the guide shell heat insulation layer (7) is a glass wool heat insulation layer or an aluminum silicate fiber heat insulation layer.
3. The wear and high temperature resistant metal expansion joint for a catalytic reverse system riser or pipe of claim 1 wherein: the baffle ring heat insulation layer (13-4) is a glass wool heat insulation layer or an aluminum silicate fiber heat insulation layer.
4. The wear and high temperature resistant metal expansion joint for a catalytic reverse system pipe chute or riser as claimed in claim 1 wherein: the inner wall of the heat-insulating wear-resistant lining (15) is provided with a high wear-resistant lining (14).
5. The wear and high temperature resistant metal expansion joint for a catalytic reverse system pipe chute or riser as claimed in claim 1 wherein: the angle of the middle conical shell section of the lining cylinder (13-3) is less than or equal to 45 degrees.
6. The wear and high temperature resistant metal expansion joint for a catalytic reverse system pipe chute or riser as claimed in claim 1 wherein: a dustproof retainer ring (10) is fixed between the free end of the guide cylinder assembly (6) and the baffle ring assembly (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122221013.XU CN216715560U (en) | 2021-09-14 | 2021-09-14 | Wear-resistant and high-temperature-resistant metal expansion joint for inclined tube or vertical tube of catalytic reverse recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122221013.XU CN216715560U (en) | 2021-09-14 | 2021-09-14 | Wear-resistant and high-temperature-resistant metal expansion joint for inclined tube or vertical tube of catalytic reverse recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715560U true CN216715560U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122221013.XU Active CN216715560U (en) | 2021-09-14 | 2021-09-14 | Wear-resistant and high-temperature-resistant metal expansion joint for inclined tube or vertical tube of catalytic reverse recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715560U (en) |
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2021
- 2021-09-14 CN CN202122221013.XU patent/CN216715560U/en active Active
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Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |