CN210374629U - Furnace roller cooling device - Google Patents
Furnace roller cooling device Download PDFInfo
- Publication number
- CN210374629U CN210374629U CN201921027537.1U CN201921027537U CN210374629U CN 210374629 U CN210374629 U CN 210374629U CN 201921027537 U CN201921027537 U CN 201921027537U CN 210374629 U CN210374629 U CN 210374629U
- Authority
- CN
- China
- Prior art keywords
- water
- sealing joint
- water inlet
- furnace roller
- cooling device
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Furnace Details (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
A furnace roller cooling device comprises an end cover and a roller body, wherein an S-shaped pipe is arranged in an inner cavity of the roller body; two ends of the S-shaped pipe respectively penetrate through the corresponding positioning sleeves on the end covers and are locked by nuts; the outer end faces of the two end covers are respectively provided with a water inlet sealing joint and a water outlet sealing joint; the water inlet sealing joint and the water outlet sealing joint are respectively connected with a water inlet hose and a loop hose; the other end of the water inlet hose is communicated with a water outlet pipeline on the water pump; the water pump is connected with the motor and arranged on the water tank; the other end of the loop hose is communicated with the water tank. The water inlet sealing joint and the water outlet sealing joint of the utility model are connected with the S-shaped pipe, do not need welding processing, avoid the deformation of the S-shaped pipe, and have the performances of firm connection, high temperature resistance and good sealing effect; the S-shaped pipe not only increases the cooling area of the furnace roller, but also increases the strength of the stainless steel pipe, avoids the furnace roller from generating embrittlement phenomenon, and greatly prolongs the service life of the furnace roller.
Description
Technical Field
The utility model relates to a furnace roller cooling device.
Background
As is known, the strength of a material of a furnace roller is sharply reduced under a high-temperature environment of heat treatment, and the conventional method is to increase the material of the furnace roller or increase the wall thickness of a roller body. The selection of the furnace roller material mainly depends on the furnace temperature, because the furnace roller works at high temperature for a long time and bears certain load (burden and dead weight) for a long time, the material needs to have high creep strength and good oxidation resistance, and the phenomenon of embrittlement does not occur or rarely occurs after long-time use. If the temperature reaches 1100 ℃, the material of the roller body is Cr28Ni48W 5. In order to increase the strength of the roll body, the wall thickness of the roll is usually 25mm, but bending deformation occurs even after long-term use. The wall thickness of the furnace roller is increased, the strength of the roller is naturally increased, but under the high-temperature state, the self weight caused by the increase of the wall thickness greatly weakens the strength effect of increasing the wall thickness, and the bending strength of the furnace roller is not improved. Furthermore, as the thickness of the roller wall is increased, the longitudinal thermal resistance of the roller body is reduced, and the heat transferred to the bearing is increased, so that the service life of the bearing is influenced, and the heat consumption of the furnace is increased. Furthermore, increasing the wall thickness will also increase the manufacturing process cost.
Disclosure of Invention
The utility model aims at providing a furnace roller cooling device, under the condition that does not increase furnace roller wall thickness, technical problem more than it can solve.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a furnace roller cooling device comprises an end cover and a roller body, and is characterized in that an S-shaped pipe is arranged in an inner cavity of the roller body; end covers are arranged at two ends of the roller body; two ends of the S-shaped pipe respectively penetrate through the corresponding positioning sleeves on the end covers and are locked by nuts; the outer end faces of the two end covers are respectively provided with a water inlet sealing joint and a water outlet sealing joint; the water inlet sealing joint and the water outlet sealing joint are respectively connected with a water inlet hose and a loop hose; the other end of the water inlet hose is communicated with a water outlet pipeline on the water pump; the water outlet pipeline is sequentially provided with a filter, an overflow valve, a pressure gauge, an adjusting valve and a multi-pipeline joint from left to right; the water pump is connected with the motor and arranged on the water tank; the other end of the loop hose is communicated with the water tank.
Preferably: and high-temperature flexible graphite sealing rings are arranged between the two ends of the roller body and the end covers.
Preferably: the S-shaped pipe is made of stainless steel containing chromium and nickel.
Preferably: the water inlet sealing joint and the water outlet sealing joint are of the same structure, a through hole is formed in the center of the water inlet sealing joint, and internal threads and a plurality of threaded holes are formed in the end faces of two ends, with the outer circle being a hexagon; a straight pipe is arranged at one end of the internal thread, and a plurality of grooves A are uniformly distributed on the straight pipe; one end of each threaded hole is provided with a taper pipe and a groove B; high-temperature flexible graphite sealing rings are arranged in the grooves A and the grooves B; the included angle of the conical surface of the conical tube is 60-68 degrees.
Preferably: the water inlet hose and the loop hose are stainless steel metal hoses.
Preferably: the multi-pipeline joint is used for simultaneously inputting cooling water into one or more furnace rollers.
Preferably: the water tank is provided with a view detection port.
The utility model has the advantages that; a furnace roller cooling device, compared with the traditional structure: the high-temperature flexible graphite sealing ring is arranged between the roller body and the two end covers, so that the heat consumption of the furnace is not increased; the water inlet sealing joint and the water outlet sealing joint are connected with the S-shaped pipe, welding processing is not needed, deformation of the S-shaped pipe is avoided, and the S-shaped pipe has the advantages of firm connection, high temperature resistance and good sealing effect; the S-shaped pipe not only increases the cooling area of the furnace roller, but also increases the strength of the stainless steel pipe, avoids the furnace roller from generating embrittlement phenomenon, and greatly prolongs the service life of the furnace roller.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the water inlet sealing joint and the water outlet sealing joint of the present invention;
in the figure: 1. an end cap; 2. a roll body; an S-shaped pipe; 4. a positioning sleeve; 5. a nut; 6. a water inlet sealing joint; 6-1, groove A; 6-2, straight pipe; 6-3, internal threads; 6-4. hexagon; 6-5, a threaded hole; 6-6, groove B; 6-7, a cone pipe in a shape of a circular truncated cone; 6-8, through holes; 7. a water inlet hose; 8. a water outlet pipeline; 9. a multi-pipe joint; 10. adjusting a valve; 11. a pressure gauge; 12. an overflow valve; 13. a water pump; 14. a filter; 15. a motor; 16. a loop hose; 17. a socket head cap screw; 18. a high temperature flexible graphite seal ring; 19. a water outlet sealing joint; 20. and probing the view port.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: a furnace roller cooling device comprises an end cover 1 and a roller body 2, and is characterized in that an S-shaped pipe 3 is arranged in an inner cavity of the roller body 2; end covers 1 are arranged at two ends of the roller body 2; two ends of the S-shaped pipe 3 respectively penetrate through the corresponding positioning sleeves 4 on the end covers 1 and are locked by nuts 5; the outer end surfaces of the two end covers 1 are respectively provided with a water inlet sealing joint 6 and a water outlet sealing joint 19; the water inlet sealing joint 6 and the water outlet sealing joint 19 are respectively connected with a water inlet hose 7 and a loop hose 16; the other end of the water inlet hose 7 is communicated with a water outlet pipeline 8 on the water pump 13; the water outlet pipeline 8 is sequentially provided with a filter 14, an overflow valve 12, a pressure gauge 11, an adjusting valve 10 and a multi-pipeline joint 9 from left to right; the water pump 13 is connected with the motor 15 and arranged on the water tank; the other end of the loop hose 16 is communicated with the water tank.
And a high-temperature flexible graphite sealing ring 18 is arranged between the two ends of the roller body 2 and the end cover 1.
The S-shaped pipe 3 is made of a stainless steel material containing chromium and nickel.
The water inlet sealing joint 6 and the water outlet sealing joint 19 have the same structure, a through hole 6-8 is arranged in the center, and internal threads 6-3 and a plurality of threaded holes 6-5 are respectively arranged on the end faces of two ends of the hexagon 6-4 on the outer circle; a straight pipe 6-2 is arranged at one end of the internal thread 6-3, and a plurality of grooves A6-1 are uniformly distributed on the straight pipe 6-2; one end of each threaded hole 6-5 is provided with a taper pipe 6-7 and a groove B6-6; high-temperature flexible graphite sealing rings are arranged in the groove A6-1 and the groove B6-6; the included angle of the conical surfaces of the conical pipes 6 to 7 is 60 to 68 degrees.
The water inlet hose 7 and the loop hose 16 are stainless steel metal hoses.
The multi-pipeline joint 9 is used for simultaneously inputting cooling water to one or more furnace rollers.
The water tank is provided with a sounding port 20.
The utility model discloses a concrete implementation: the utility model adopts the S-shaped pipe, which not only increases the cooling area of the furnace roller, but also increases the strength of the stainless steel pipe; the traditional furnace roller is directly filled with water in the inner cavity or is filled with water by a straight pipe, so that the furnace roller has low service life due to embrittlement phenomenon, the straight pipe is filled with water, the cooling area is small, the expected cooling effect cannot be achieved, a positioning sleeve is not adopted, the water is directly output through an end cover, the end cover is easy to damage, and the manufacturing cost is increased. A water inlet sealing joint and a water outlet sealing joint are respectively provided with high-temperature flexible graphite sealing rings in the groove A and the groove B, and one end of a straight pipe is inserted into the inner cavity of the S-shaped pipe and is locked by internal threads and external threads on the excircle of the S-shaped pipe; the taper pipe is inserted into a water inlet hose (loop hose), a plurality of threaded holes are matched with the sealing end cover through holes on the water inlet hose, and screws penetrate through the sealing end cover through holes to be connected and locked with the plurality of threaded holes.
The adopted filter is Y-shaped and consists of a shell, a stainless steel filter screen, a pollution discharge part, a transmission device and an electric control part. When the filter works, the water flow to be filtered is output by the water pump, passes through the filter screen and enters the water outlet pipeline through the outlet, and particle impurities in the water are trapped inside the filter screen, so that the filter is convenient to install, disassemble and clean, and each part is not easy to block; an adjusting valve, a pressure gauge and an overflow valve are adopted to ensure that the normal operation of the cooling system achieves the expected cooling effect; and a welding structure is not adopted, so that the deformation of the S-shaped pipe is avoided, the secondary use is convenient, the cost is greatly saved, and the service life of the furnace roller is prolonged. The water tank is provided with the inspection port, so that the water quantity and the working condition of the pump can be conveniently and visually observed.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (7)
1. A furnace roller cooling device comprises an end cover (1) and a roller body (2), and is characterized in that an S-shaped pipe (3) is arranged in an inner cavity of the roller body (2); end covers (1) are arranged at two ends of the roller body (2); two ends of the S-shaped pipe (3) respectively penetrate through the corresponding positioning sleeves (4) on the end covers (1) and are locked by nuts (5); the outer end surfaces of the two end covers (1) are respectively provided with a water inlet sealing joint (6) and a water outlet sealing joint (19); the water inlet sealing joint (6) and the water outlet sealing joint (19) are respectively connected with a water inlet hose (7) and a loop hose (16); the other end of the water inlet hose (7) is communicated with a water outlet pipeline (8) on the water pump (13); the water outlet pipeline (8) is sequentially provided with a filter (14), an overflow valve (12), a pressure gauge (11), an adjusting valve (10) and a multi-pipeline joint (9) from left to right; the water pump (13) is connected with the motor (15) and arranged on the water tank; the other end of the loop hose (16) is communicated with the water tank.
2. The furnace roller cooling device according to claim 1, wherein: and a high-temperature flexible graphite sealing ring (18) is arranged between the two ends of the roller body (2) and the end cover (1).
3. The furnace roller cooling device according to claim 1, wherein: the S-shaped pipe (3) is made of stainless steel containing chromium and nickel.
4. The furnace roller cooling device according to claim 1, wherein: the water inlet sealing joint (6) and the water outlet sealing joint (19) have the same structure, a through hole (6-8) is formed in the center, and internal threads (6-3) and a plurality of threaded holes (6-5) are respectively formed in the end faces of two ends of the hexagonal outer circle (6-4); a straight pipe (6-2) is arranged at one end of the internal thread (6-3), and a plurality of grooves A (6-1) are uniformly distributed on the straight pipe (6-2); one end of each threaded hole (6-5) is provided with a taper pipe (6-7) and a groove B (6-6); high-temperature flexible graphite sealing rings are arranged in the groove A (6-1) and the groove B (6-6); the included angle of the conical surfaces of the conical pipes (6-7) is 60-68 degrees.
5. The furnace roller cooling device according to claim 1, wherein: the water inlet hose (7) and the loop hose (16) are stainless steel metal hoses.
6. The furnace roller cooling device according to claim 1, wherein: the multi-pipeline joint (9) is used for simultaneously inputting cooling water to one or more furnace rollers.
7. The furnace roller cooling device according to claim 1, wherein: the water tank is provided with a view detection port (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027537.1U CN210374629U (en) | 2019-07-03 | 2019-07-03 | Furnace roller cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027537.1U CN210374629U (en) | 2019-07-03 | 2019-07-03 | Furnace roller cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210374629U true CN210374629U (en) | 2020-04-21 |
Family
ID=70269012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921027537.1U Expired - Fee Related CN210374629U (en) | 2019-07-03 | 2019-07-03 | Furnace roller cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210374629U (en) |
-
2019
- 2019-07-03 CN CN201921027537.1U patent/CN210374629U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |