CN212983472U - Steel dryer end cover welded structure - Google Patents
Steel dryer end cover welded structure Download PDFInfo
- Publication number
- CN212983472U CN212983472U CN202021154619.5U CN202021154619U CN212983472U CN 212983472 U CN212983472 U CN 212983472U CN 202021154619 U CN202021154619 U CN 202021154619U CN 212983472 U CN212983472 U CN 212983472U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder body
- wall
- bulge
- cover
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 62
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 239000012774 insulation material Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 11
- 230000009977 dual effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 17
- 238000004321 preservation Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 5
- 108700041286 delta Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a steel dryer end cover welded structure, the both ends of cylinder body set up extension portion respectively, on the inner wall of every extension portion or on the inboard cylinder body inner wall of every extension portion or on the cylinder body inner wall of every extension portion and cylinder body linking department along welded connection outward through the cylinder cap of two welding seams and homonymy. The utility model discloses in, with traditional U type welding seam, the welding seam distributes in the cylinder cap both sides, makes the junction of the even dispersion of pressure energy of the inside steam of cylinder body to cylinder cap and cylinder body, and the cylinder cap can receive the tractive of inside welding seam and the dual fixed effect on the axial direction of the ejection of outside welding seam simultaneously moreover, also has dual fixed effect on radial direction equally, and cylinder cap and jar integral connection are more firm.
Description
Technical Field
The utility model belongs to the improved technology of the structure of the paper machine dryerFIELDIn particular to a steel drying cylinder end cover welding structure.
Background
The drying part of the toilet paper machine mainly comprises a press, a drying cylinder and an air hood, wherein the drying cylinder is the main equipment of the drying part. In recent years, the drying cylinders are mainly made of steel, and the steel drying cylinders are structurally composed of: the cylinder body 4 of the drying cylinder is a cylindrical shell, thick plate cylinder covers 3 are added at two ends of the cylinder body, the cylindrical cylinder body and the cylinder covers are welded into a whole, a mandrel 1 is arranged in the middle of each cylinder cover, the mandrel is connected with the cylinder covers through bolts, steam is introduced into the cylinder body through a shaft head 5, a cylindrical drying device is formed, and the wet paper web passes through the cylinder body to achieve the drying purpose. The welding structure of the drying cylinder body and the cylinder cover mainly adopts the welding of the diameter of the cylinder cover and the diameter thick plate of the drying cylinder body, a U-shaped welding seam is adopted at a welding opening, the U-shaped welding seam is referred to patent IT2016UA03075A (CN107338669A), a circular area needs to be dug on the cylinder cover, the strength of the cylinder cover can be reduced, the welding workload of the U-shaped welding seam is large, and the work efficiency is reduced.
In addition, the temperature of the outer side of the cylinder cover of the drying cylinder can reach more than 90 ℃, so that a large amount of heat is dissipated, the heat dissipation amount can reach about 5% of the energy consumption of the drying cylinder through practice and calculation, the environment pollution can be caused, and in order to avoid the problems, the drying cylinder is provided with a heat preservation device. The heat preservation device is characterized in that a structure taking channel steel as a material is additionally arranged on the outer side of a cylinder cover and is fixed on the cylinder cover through a bolt, the heat preservation material is filled in the heat preservation device, a heat preservation panel 2 is arranged outside the heat preservation material, specifically, refer to patent CN 204370235, the welding structure of the cylinder cover and the cylinder body of the drying cylinder is not changed, but the heat preservation structure of the drying cylinder is slightly changed, and the heat preservation structure is easily damaged in the transportation and installation process by a method of fastening the heat preservation structure on the cylinder cover through. There is a design improved on the basis of the above design, that is, the frame of the insulation structure is made by welding or other methods to increase the rigidity of the insulation structure, and the insulation material is refilled, see patent HUE027701(CN 104105828), and the design of the insulation device after the above improvement requires two welding operations, and the welding operation is performed by heat treatment to eliminate the welding stress, so the processing operation is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide and adopt horizontal welded structure at the inboard welding cylinder cap of the overhanging tip of dryer, welding, set up a steel dryer end cover welded structure of welding seam along both sides outside the cylinder cap.
The utility model adopts the technical proposal that:
the utility model provides a steel dryer end cover welded structure, includes cylinder body and cylinder cap, its characterized in that: the both ends of cylinder body set up the overhang respectively, on the inner wall of every overhang or on the inboard cylinder body inner wall of every overhang or on the cylinder body inner wall of every overhang and cylinder body junction along welded connection with the cylinder cap of homonymy outward through two welding seams.
Furthermore, the outer side and the inner side of the outer edge of the cylinder cover are respectively provided with a recess, the welding seam is formed between the surface of the recess and the inner wall of the cylinder body at the same side,
and the outer edge of the cylinder cover is provided with a convex part, the outer edge of the cylinder cover outside the convex part and the outer edge of the cylinder cover inside the convex part are both arranged into inclined planes inclined towards the central axis direction of the cylinder cover, an outside welding seam is formed between the inclined plane, the outer surface of the convex part and the inner wall of the cylinder body at the same side, and an inside welding seam is formed between the inclined plane, the inner surface of the convex part and the inner wall of the cylinder body at the same side.
Moreover, the lower end of the outer surface of the bulge and the lower end of the inner surface of the bulge are integrally connected with the inclined plane at the same side through arc-shaped concave surfaces.
Furthermore, the convex part is close to the outer side of the cylinder cover, and the length of the inclined plane at the outer side of the convex part is smaller than that at the inner side of the convex part;
or the like, or, alternatively,
the bulge is close to the inner side of the cylinder cover, and the length of the inclined plane on the outer side of the bulge is larger than that of the inclined plane on the inner side of the bulge.
Furthermore, the inner side surface of the upper end of the protruding part is in contact with the outer side surface of the spigot arranged on the inner wall surface of the cylinder body.
Furthermore, the height of the outer surface of the spigot in the radial direction is 1-3 cm.
Furthermore, the distance between the outer side surface of the cylinder head and the center line of the outer edge of the protruding portion in the axial direction is one third to two thirds of the thickness of the cylinder head in the axial direction.
Furthermore, the thickness of the upper end surface of the convex part in the axial direction is 4-8 cm.
Furthermore, the included angle between the outer side inclined plane of the convex part and the inner wall of the aligned cylinder body is 50-55 degrees.
Furthermore, the included angle between the inner side inclined plane of the convex part and the inner wall of the aligned cylinder body is 45-50 degrees.
And moreover, the welding seam on the outer side of the convex part protrudes out of the side inclined plane, the welding seam on the inner side of the convex part protrudes out of the side inclined plane, and the length of the projection of the convex part on the inner wall of the cylinder body on the same side is more than 0.1-0.2 times of the thickness of the cylinder body wall and is not less than 0.6 cm.
Furthermore, the inner wall of the cylinder body on the inner side of the cylinder cover is provided with a slope, and the inner wall of the cylinder body on the inner side of the slope is provided with a reinforcing rib.
Furthermore, the included angle between the slope and the inner wall of the cylinder body is more than or equal to 10 degrees.
Furthermore, the distance between the outer side surface of the reinforcement rib closest to the ramp and the cylinder head is 6 cm or more.
Furthermore, the inner diameter of the rib bottom between the reinforcing rib and the reinforcing rib is larger than the outer diameter of the bulge part of the cylinder cover, and the outer diameter of the bulge part of the cylinder cover is larger than the inner diameter of the reinforcing rib.
Furthermore, the outer edge of the extension part is provided with a weight reduction groove.
Furthermore, the outer end face of the extension part is provided with a notch for installing a panel, and a heat insulation material is filled between the panel and the cylinder cover.
Furthermore, the end face of the outer side of the cylinder cover is provided with any one or both of a ribbed plate and a support
The utility model has the advantages that:
the utility model discloses in, set up the bulge in the cylinder cap outer fringe, this bulge centers on cylinder cap outer fringe a week, the bulge passes through tang and cylinder body inner wall location, two welding seams and cylinder body inner wall zonulae occludens that rethread bulge outside and inboard set up, with traditional U type welding seam, the welding seam distributes in the cylinder cap both sides, the junction to cylinder cap and cylinder body is dispersed to the even pressure energy of the inside 16 steam of messenger's cylinder body, and the cylinder cap can receive the tractive of inside welding seam and the dual fixed effect on the axial direction of the ejection of outside welding seam simultaneously, also have dual fixed effect on radial direction equally, cylinder cap and jar integral connection are more firm. The panel is arranged on the end face of the outer side of the extension part, the panel bracket is arranged on the cylinder cover, the longer rib plate or the shorter rib plate is arranged between the brackets, the space between the panel and the cylinder cover is filled with the heat insulation material, the extension part enables the heat insulation material to be as thick as possible, the heat insulation capacity of two ends of the cylinder body is improved, and the cylinder body is convenient to transport and hoist.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged schematic view at the upper left corner of FIG. 1 (the projection outer side has a shorter slope);
FIG. 3 is an enlarged schematic view at the upper left corner of FIG. 1 (the projection outer side has a longer slope);
FIG. 4 is a labeled diagram of FIG. 3;
FIG. 5 is a labeled diagram of FIG. 2;
FIG. 6 is an enlarged view of section I of FIG. 4;
FIG. 7 is an enlarged view of section II of FIG. 4;
FIG. 8 is a schematic structural view of a panel bracket and a rib plate in the axial direction of the cylinder head (the panels are 12 blocks);
fig. 9 is a schematic structural view of a panel bracket and a rib plate in the axial direction of the cylinder cover (the panels are 8 blocks).
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The utility model provides a steel dryer end cover welded structure, as shown in fig. 1 ~ 9, including cylinder body 4 and cylinder cap 3, the utility model discloses an innovation lies in: the both ends of cylinder body set up extension portion 8 respectively, on the inner wall of every extension portion or on the inboard cylinder body inner wall of every extension portion or on the cylinder body inner wall of every extension portion and cylinder body junction along welded connection with the cylinder cap outer edge of homonymy through two welding seams 9, 13.
In this embodiment, the outside (3 left sides of cylinder cap in fig. 1 define as the outside, the same below) and the inboard (3 right sides of cylinder cap in fig. 1 define as the inboard, the same below) of cylinder cap outer edge set up sunken respectively, form the welding seam between the cylinder body inner wall of this sunken surface and homonymy, and the structure of specific welding seam is: the outer edge of the cylinder cover is provided with a convex part 10 integrated with the cylinder cover, the convex part surrounds the outer edge of the cylinder cover for one circle, the outer edge of the cylinder cover at the outer side of the convex part and the outer edge of the cylinder cover at the inner side are both provided with inclined planes 18 and 19 inclined towards the central axis direction of the cylinder cover, and the two inclined planes at the outer side and the inner side of the convex part surround the outer edge of the cylinder cover for one circle.
The bulge outer side inclined surface 18 and the bulge outer side surface and the junction thereof together form a depression on the cylinder head outer side, and the bulge inner side inclined surface 19 and the bulge inner side surface and the junction thereof together form a depression on the cylinder head inner side. An outer weld 9 is formed among the inclined plane of the outer side of the convex part, the surface of the outer side of the convex part and the inner wall of the cylinder body on the same side, and an inner weld 13 is formed among the inclined plane of the inner side of the convex part, the surface of the inner side of the convex part and the inner wall of the cylinder body on the same side. The lower end of the outer surface of the bulge and the lower end of the inner surface of the bulge are integrally connected with the inclined plane on the same side through an arc-shaped concave surface 12 (the joint of the two mentioned above).
The inclined planes at the outer side and the inner side of the convex part have two embodiments, and the specific structure is as follows:
1. as shown in fig. 2 and 5, the bulge is close to the outer side of the cylinder head, and the length of the inclined surface 18 on the outer side of the bulge is smaller than the length of the inclined surface 19 on the inner side of the bulge, i.e. the weld on the outer side of the bulge is larger than the weld on the inner side of the bulge.
2. As shown in fig. 3 and 4, the bulge is close to the inner side of the cylinder head, and the length of the inclined surface 18 at the outer side of the bulge is greater than that of the inclined surface 19 at the inner side of the bulge, i.e. the weld at the outer side of the bulge is smaller than the weld at the inner side of the bulge.
In order to improve the positioning accuracy between the cylinder cover and the cylinder body and the verticality between the cylinder cover and the cylinder body, a circle of spigots 11 shown in figure 7 are arranged on the inner wall of the cylinder body, and the inner side surface of the upper ends of the convex parts is pressed against the outer side surface of the spigots. Then welding processing of welding seams at two sides of the protruding part is carried out. The radial height W2 of the outer surface of the spigot is 1-3 cm, preferably 2 cm.
The distance delta 1 between the outer side surface of the cylinder cover and the axial center line of the outer edge of the convex part is one third to two thirds of the thickness delta n of the cylinder cover in the axial direction. As shown in fig. 2 and 5, δ 1 is one third of δ n, and as shown in fig. 3 and 4, δ 1 is two thirds of δ n. The axial thickness w1 of the upper end face of the projection is 4-8 cm.
No matter which length or which size of bulge outside inclined plane and inboard inclined plane, the contained angle between inclined plane and the cylinder body inner wall should satisfy certain condition, specifically is: the included angle alpha 1 between the outer side inclined plane of the convex part and the inner wall of the aligned cylinder body is 50-55 degrees, and the included angle alpha 2 between the inner side inclined plane of the convex part and the inner wall of the aligned cylinder body is 45-50 degrees.
The outside welding seam of bulge projects to the outside of this side inclined plane, and the inboard welding seam of bulge projects to this side inclined plane inboard, as shown in fig. 4, 5, the projection of outside welding seam bulge at the homonymy cylinder body inner wall is K1, and the projection of inboard welding seam bulge at the homonymy cylinder body inner wall is K2, and K1 and K2 all should be greater than 0.1-0.2 times the thickness of the cylinder body wall and all be not less than 0.6 centimetres, and it is preferred: both K1 and K2 should be greater than 0.15 times the thickness of the cylinder wall and no less than 0.6 cm.
The connecting part of the cylinder body and the cylinder cover is a high-stress area, a plurality of reinforcing ribs 15 are arranged on the cylinder body, a slope 14 is arranged on the inner wall between the reinforcing rib closest to the cylinder cover and the cylinder cover, the distance L between the outer side surface of the reinforcing rib closest to the cylinder cover and the cylinder cover is more than or equal to 6 cm, and the included angle alpha between the slope and the inner wall of the cylinder body is more than or equal to 10 degrees, so that the strength of the discontinuous part of the cylinder body is ensured. The preferred scheme is as follows: l is more than or equal to 8 cm.
The diameter of the cylinder cover cannot be too large, and the outer diameter of the cylinder cover has a value range of: d is not less than D2 and not more than D1, D1 is the inner diameter of the reinforcing rib, D is the outer diameter of the cylinder cover, and D2 is the inner diameter of the rib bottom between the reinforcing rib and the reinforcing rib.
The axial length of the overhang is 4.5-5.5 cm, and weight-reducing grooves 20 are arranged on the outer edge of the overhang. A notch 6 for installing a panel is arranged on the outer side end face of the extension part, the thickness of the notch in the axial direction of the cylinder cover is 0.2 mm, the panel 2 is arranged in the notch, the panel at the notch is fixed through a bolt 7, and a heat insulation material 17 is filled between the panel and the cylinder cover.
The cylinder cover is provided with clapboards 25, short brackets or long brackets 21 are arranged between the clapboards, rib plates 22 can be arranged on the cylinder cover between the clapboards, a circular ring 23 is arranged on a mandrel, and a panel is fixed on a panel bracket, a notch and the circular ring and forms stable support through the short brackets or the long brackets and the rib plates. The cylinder cover is provided with a population 24. The panel may be made of stainless steel; or a carbon steel plate is coated with silver paint on the surface.
The cylinder cap can set up the panel of different quantity according to the difference of diameter, as shown in fig. 8, the cylinder cap diameter is greater than 4.5 meters, and for guaranteeing the bulk rigidity, radial equipartition sets up 12 baffles on the cylinder cap, sets up a long support between two adjacent baffles, and every long support is provided with radial floor, and the panel has 12, and insulation material is superfine glass cotton or rock wool etc..
As shown in fig. 9, the diameter of the cylinder cover is 3.5-4.5 meters, the number of the partition boards is 8, the long supports and the rib boards are also arranged, the number of the panels is 8, and the heat insulation material is superfine glass wool or rock wool and the like.
The biggest advantage of changing the crater is:
1. the original U-shaped weld crater part is in slope transition, so that the problem of stress concentration at the connecting part of the end cover and the cylinder is solved.
2. After the welding structure is changed, the stress release groove is reduced, the end thickness can be reduced, and at least 5% of the weight of the end cover is reduced.
3. The cylinder body extends to the outside of the end cover, so that the outer ring of the welding heat-insulating structure can be omitted, and the rigidity of the outer ring of the thick heat-insulating structure is improved.
The utility model discloses in, set up the bulge in the cylinder cap outer fringe, this bulge centers on cylinder cap outer fringe a week, the bulge passes through tang and cylinder body inner wall location, two welding seams and cylinder body inner wall zonulae occludens that rethread bulge outside and inboard set up, with traditional U type welding seam, the welding seam distributes in the cylinder cap both sides, the junction of cylinder cap and cylinder body is arrived in the even dispersion of messenger's internal pressure energy of cylinder, and the cylinder cap can receive the tractive of inside welding seam and the dual fixed effect of the ejection of outside welding seam simultaneously, cylinder cap and jar integral connection are more firm. The panel is arranged on the end face of the outer side of the extension part, the panel bracket is arranged on the cylinder cover, the longer rib plate or the shorter rib plate is arranged between the brackets, the space between the panel and the cylinder cover is filled with the heat insulation material, the extension part enables the heat insulation material to be as thick as possible, the heat insulation capacity of two ends of the cylinder body is improved, and the cylinder body is convenient to transport and hoist.
Claims (21)
1. The utility model provides a steel dryer end cover welded structure, includes cylinder body and cylinder cap, its characterized in that: the both ends of cylinder body set up the overhang respectively, on the inner wall of every overhang or on the inboard cylinder body inner wall of every overhang or on the cylinder body inner wall of every overhang and cylinder body junction along welded connection with the cylinder cap of homonymy outward through two welding seams.
2. The steel dryer end cover welding structure as recited in claim 1, characterized in that: the outside and the inboard of cylinder cap outer edge set up sunken respectively, form between the cylinder body inner wall of this sunken surface and homonymy the welding seam.
3. A steel dryer cylinder end cover welding structure as defined in claim 1 or 2, characterized in that: be provided with the bulge in the cylinder cap outer fringe, the inclined plane to cylinder cap axis direction slope is all set to the cylinder cap outer fringe in this bulge outside and inboard cylinder cap outer fringe, form the welding seam in the outside between the cylinder body inner wall of inclined plane, bulge outside surface and homonymy, form inboard welding seam between the cylinder body inner wall of inclined plane, bulge inboard surface and homonymy.
4. A steel dryer end cover welding structure as defined in claim 3, characterized in that: the lower end of the outer side surface of the bulge and the lower end of the inner measuring surface of the bulge are integrally connected with the inclined plane at the same side through arc-shaped concave surfaces.
5. A steel dryer end cover welding structure as defined in claim 3, characterized in that: the convex part is close to the outer side of the cylinder cover, and the length of the inclined plane at the outer side of the convex part is smaller than that at the inner side of the convex part;
or the like, or, alternatively,
the bulge is close to the inner side of the cylinder cover, and the length of the inclined plane on the outer side of the bulge is larger than that of the inclined plane on the inner side of the bulge.
6. A steel dryer end cover welding structure as defined in claim 4, characterized in that: the convex part is close to the outer side of the cylinder cover, and the length of the inclined plane at the outer side of the convex part is smaller than that at the inner side of the convex part;
or the like, or, alternatively,
the bulge is close to the inner side of the cylinder cover, and the length of the inclined plane on the outer side of the bulge is larger than that of the inclined plane on the inner side of the bulge.
7. A steel dryer cylinder end cover welding structure as defined in claim 5 or 6, characterized in that: the inner side surface of the upper end of the protruding part is in contact with the outer side surface of a spigot arranged on the surface of the inner wall of the cylinder body.
8. A steel dryer end cover welding structure as defined in claim 7, characterized in that: the height of the outer surface of the spigot in the radial direction is 1-3 cm.
9. A steel dryer cylinder end cover weld construction according to claim 5 or 6 or 8, characterized in that: the distance between the outer side surface of the cylinder cover and the central line of the outer edge of the convex part in the axial direction is one third to two thirds of the thickness of the cylinder cover in the axial direction.
10. A steel dryer end cover welding structure as defined in claim 7, characterized in that: the distance between the outer side surface of the cylinder cover and the central line of the outer edge of the convex part in the axial direction is one third to two thirds of the thickness of the cylinder cover in the axial direction.
11. A steel dryer cylinder end cover weld configuration as claimed in claim 9, characterized in that: the thickness of the upper end face of the protruding part in the axial direction is 4-8 cm.
12. A steel dryer cylinder end cover weld construction according to claim 11, characterized in that: the included angle between the inclined plane at the outer side of the convex part and the inner wall of the aligned cylinder body is 50-55 degrees.
13. A steel dryer cylinder end cover weld construction as claimed in claim 12, characterized in that: the included angle between the inclined plane at the inner side of the convex part and the inner wall of the aligned cylinder body is 45-50 degrees.
14. A steel cylinder end cover weld construction according to claim 10 or 11 or 12 or 13, characterized in that: the welding seam on the outer side of the protruding part protrudes to the outer side of the side inclined plane, the welding seam on the inner side of the protruding part protrudes to the inner side of the side inclined plane, and the length of the protruding part projected on the inner wall of the cylinder body on the same side is larger than 0.1-0.2 times of the thickness of the cylinder body wall and is not smaller than 0.6 cm.
15. A steel dryer cylinder end cover weld construction according to claim 14, characterized in that: the inner wall of the cylinder body on the inner side of the cylinder cover is provided with a slope, and the inner wall of the cylinder body on the inner side of the slope is provided with a reinforcing rib.
16. A steel dryer end cover weld construction as claimed in claim 15, characterized in that: the included angle between the slope and the inner wall of the cylinder body is larger than or equal to 10 degrees.
17. A steel dryer end cap weld construction according to claim 15 or 16, characterized in that: the distance between the outer side surface of the reinforcement rib closest to the slope and the cylinder head is 6 cm or more.
18. A steel dryer end cap weld construction according to claim 15 or 16, characterized in that: the inner diameter of the rib bottom between the reinforcing rib and the reinforcing rib is larger than the outer diameter of the protruding part of the cylinder cover, and the outer diameter of the protruding part of the cylinder cover is larger than the inner diameter of the reinforcing rib.
19. A steel dryer end cap weld construction according to claim 1 or 2 or 4 or 5 or 6 or 10 or 11 or 12 or 13 or 15 or 16, characterized in that: and the outer edge of the extension part is provided with a weight reduction groove.
20. A steel dryer end cap weld construction according to claim 1 or 2 or 4 or 5 or 6 or 10 or 11 or 12 or 13 or 15 or 16, characterized in that: and a notch for mounting a panel is arranged on the end surface of the outer side of the extension part, and a heat insulation material is filled between the panel and the cylinder cover.
21. A steel dryer cylinder end cover weld construction according to claim 20, characterized in that: any one or both of a ribbed plate and a support are arranged on the end face of the outer side of the cylinder cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021154619.5U CN212983472U (en) | 2020-06-20 | 2020-06-20 | Steel dryer end cover welded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021154619.5U CN212983472U (en) | 2020-06-20 | 2020-06-20 | Steel dryer end cover welded structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212983472U true CN212983472U (en) | 2021-04-16 |
Family
ID=75423654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021154619.5U Active CN212983472U (en) | 2020-06-20 | 2020-06-20 | Steel dryer end cover welded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212983472U (en) |
-
2020
- 2020-06-20 CN CN202021154619.5U patent/CN212983472U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212983472U (en) | Steel dryer end cover welded structure | |
| CN218818651U (en) | Corrosion-resistant nuclear pipeline | |
| CN212563537U (en) | Universal bracket for wind power tower cylinder | |
| CN210418090U (en) | Slag conveyor | |
| CN107100415A (en) | A kind of multi-functional attachment means of putting more energy into of glass reinforced plastic inner cylinder | |
| CN206971892U (en) | The multi-functional attachment means of putting more energy into of glass reinforced plastic inner cylinder | |
| CN213061529U (en) | End cover for papermaking dryer | |
| CN206655227U (en) | A kind of simple rocker-arm hand pile-driver | |
| CN218149726U (en) | Exquisite regularization steel form of building of expansion joint | |
| CN211925045U (en) | Wear-resistant pump pipe | |
| CN210395392U (en) | Reinforcing structure of bridge hanging box | |
| CN208545050U (en) | The interchangeable end socket drag link mechanism of tower crane attached wall pull rod | |
| CN215906786U (en) | A cluster section of thick bamboo for concreting structure | |
| CN213926715U (en) | Anti-seismic steel structure | |
| CN212375848U (en) | Supporting pile for improving corrosion resistance | |
| CN211919710U (en) | Assembled rigid heat-preservation storage tank cap | |
| CN218952588U (en) | Assembled truss concrete superimposed sheet steel pipe | |
| CN217268315U (en) | Prestressed hollow slab | |
| CN218031924U (en) | Steel pipe socket joint formula quick connect structure | |
| CN213484271U (en) | Underwater box-type substation entering pipeline | |
| CN215319388U (en) | Circular prefabricated inspection shaft steel form of pin-connected panel | |
| CN217976464U (en) | Fan tower drum foundation | |
| CN213391194U (en) | High-strength and high-toughness cast aluminum alloy non-stick die template | |
| CN212317311U (en) | Steel pipe concrete combination column | |
| CN217204677U (en) | Full-assembly type square steel pipe column H-shaped steel beam connecting node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240112 Address after: 262200 East End of Xinghua East Road, East Side of Industrial Avenue, Mizhou Street, Zhucheng City, Weifang City, Shandong Province Patentee after: Zhucheng Dazheng Machinery Technology Co.,Ltd. Address before: No. 7255, East End of Xinghua East Road, Zhucheng City, Weifang City, Shandong Province Patentee before: ZHUCHENG DAZHENG MACHINERY CO.,LTD. |
|
| TR01 | Transfer of patent right |