CN218598798U

CN218598798U - Strip-shaped sealing structure

Info

Publication number: CN218598798U
Application number: CN202222737125.5U
Authority: CN
Inventors: 林光华
Original assignee: JIANGSU SURUN HIGH-CARBON CO LTD
Current assignee: JIANGSU SURUN HIGH-CARBON CO LTD
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-10
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a ribbon seal structure, ribbon structure woven by high temperature resistant fiber is provided with a plurality of isosceles chamfer angles with vertex angles of alpha along one side of the ribbon structure, and 30 degrees less than or equal to alpha less than or equal to 160 degrees; the width of the top point of the isosceles chamfer and the other side of the strip-shaped structure is L, and L is 1/3-1/2 of the strip-shaped width; the strip-shaped structure is bent into a closed annular structure along the isosceles chamfer angle. The belt-shaped sealing structure of the utility model can be conveniently bent into a sealing ring mechanism with various shapes, and has wide application range; high temperature resistance, good sealing effect, easy installation, difficult shedding and no leakage point.

Description

Strip-shaped sealing structure

Technical Field

The utility model relates to a seal structure especially relates to a band seal structure.

Background

The petroleum coke is a byproduct generated when raw oil of a delayed coking device is cracked at high temperature to produce light oil, and a calcined petroleum coke product can be produced after the petroleum coke is calcined in a tank furnace 3 shown in figure 3; the petroleum coke firstly carries out calcination reaction in the calcination tank body 4, the petroleum coke gradually moves to the water jacket 5 at the lower end of the calcination tank body 4 after the calcination is finished in the calcination tank body, the petroleum coke is gradually cooled in the water jacket, then the feeding machine 6 is arranged at the lower end of the water jacket 5, the grid feeding roller 7 is arranged in the feeding machine 6, and the petroleum coke product is discharged out of the tank furnace through the conical lower storage bin 8 through the grid feeding roller 7.

In the production process of petroleum coke, when the calcined petroleum coke reaches the position of a feeder of a tank furnace, the temperature of the calcined petroleum coke is still above 100 ℃ after being cooled by a water jacket, and the temperature of the material is locally up to about 500 ℃ (dark red) after being measured. The check feeding roller 7 that the batcher internal rotation set up, check feeding roller 7 often damages because of high temperature and wearing and tearing, consequently need often change check feeding roller, is one of the most frequent maintenance replacement work of pot-type furnace. Change check feed roller at first need insert the picture peg between the flange between water jacket and batcher, the realization carries out the shutoff to water jacket bottom, then just can change check feed roller, because the installation interval between the flange is little, it is big to cause the installation degree of difficulty, and need seal again between the flange after accomplishing check feed roller and changing, conventional mode seals through placing the asbestos cord again, the sealed difference of the asbestos cord of mode installation of nevertheless caulking is big with former dress asbestos cord, lead to the pot-type furnace calcination in-process to take place the flue gas smoke and dust and leak. In addition, because the temperature of the cooled petroleum coke is still higher, the sealed asbestos ropes at the flange joints are easy to age and become brittle, SO that SO is caused ₂ And CO smoke and dust gas leaks, so that big fire is easily burnt at the connecting flange, the environment is polluted, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a banding seal structure improves the sealing performance of pot-type stove.

The technical scheme is as follows: the utility model relates to a ribbon seal structure, ribbon seal structure is woven by high temperature resistant fibre, is provided with a plurality of isosceles chamfer angles that the apex angle is alpha along ribbon structure one side, and 30 degrees ≦ alpha ≦ 160 degrees; the width of the top point of the isosceles chamfer and the other side of the strip-shaped structure is L, and L is 1/3-1/2 of the strip-shaped width; the belt-shaped structure is bent into a closed annular structure along the isosceles chamfer angle.

Preferably, the number of the isosceles chamfer angles is 3, and the vertex angle alpha of each isosceles chamfer angle is 90 degrees; the strip-shaped structure is bent along the isosceles chamfer angle to form a square or rectangular closed ring-shaped structure.

Preferably, one end of the belt-shaped structure is bent along the adjacent isosceles chamfer angle to form a movable strip, and a closed part is formed between the far end of the movable strip and the other end of the belt-shaped structure when the far end of the movable strip is in a closed state, and the closed part is connected with the other end of the belt-shaped structure in a sealing mode through refractory mortar.

Preferably, the vertex angle of the isosceles tangent angle is more than 90 degrees and less than 160 degrees; the belt-shaped structure is bent into a closed annular structure of a circle or an ellipse along the isosceles tangent angle.

Preferably, the belt-shaped structure is provided with a plurality of groups of positioning holes for the connecting bolts to pass through.

Preferably, the belt-shaped structure is formed by wrapping a stainless steel wire mesh structure by a ceramic fiber belt.

Preferably, the width of the belt-like structure is 80-120mm.

Preferably, the thickness of the belt-like structure is 8-12mm.

Has the beneficial effects that: compared with the prior art, the utility model has the advantages of as follows:

1. the strip-shaped sealing structure can be conveniently bent into sealing ring mechanisms in various shapes, and is wide in application range; 2. the banded seal structure of this application embodiment is high temperature resistant, sealed effectual, easily installation, and difficult the coming off, and does not have the leak source.

Drawings

FIG. 1 is a schematic view of the belt structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a tank furnace configuration;

FIG. 4 is a schematic view of the arrangement of the square flange and the band seal structure of FIG. 3;

FIG. 5 is a schematic view of the ribbon seal arrangement of FIG. 4 during installation of a square flange;

FIG. 6 is a schematic structural view of the storage bin of the present invention;

FIG. 7 is a top view of the storage bin of FIG. 6.

Reference numerals:

1. a ribbon-like structure; 2. an isosceles chamfer angle; 3. a tank furnace; 4. calcining the tank body; 5. a water jacket; 6. a feeder; 7. a lattice feeding roller; 8. a conical discharging bin; 9. a square flange; 10. inserting plate channels; 11. positioning holes; 12. an inlet end of the plug board; 13. a movable strap; 14. sealing the place; 15. a storage bin; 16. a bin body; 17. a circular flange; 18. a conical storage bin; 19. a plate valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the present invention, belong to the protection scope of the present invention.

Combine fig. 1 to show, the utility model discloses a banded seal structure, banded seal structure is by high temperature resistant fiber weaving's banded structure 1, and banded structure 1 is wrapped up in stainless steel wire net structure by ceramic fiber area, and ceramic fiber area has excellent heat-proof quality and low hot melt, and it has stainless steel wire net inside to make banded structure intensity splendid. The ceramic fiber and stainless steel wire are conventional high-temperature resistant materials, and the embodiment of the application is the structural application of the conventional materials of the belt-shaped structure. An isosceles cutting angle 2 with the vertex angle alpha is arranged along one side of the belt-shaped structure 1 according to different material preparation requirements, and the angle alpha is less than or equal to 30 degrees and less than or equal to 160 degrees; the width of the top point of the isosceles tangent angle 2 and the other side of the belt-shaped structure 1 is L, and L is 1/3-1/2 of the belt-shaped width; the belt-like structure 1 is bent into a closed ring-like structure along the isosceles chamfer angle 2. The isosceles chamfer angle 2 provides a surplus space for bending the belt-shaped structure, so that the deformation of a sealing structure caused by bending the belt-shaped structure is reduced, and the sealing performance of the belt-shaped structure is improved; the distance between the top of the isosceles cutting angle 2 and the width of the other side of the belt-shaped structure 1 is L, so that the outer edge of the enclosed ring-shaped structure can form a continuous sealing structure, the closed belt-shaped sealing structure is ensured to have good sealing performance, the dissipation of dust and smoke is prevented, and the environmental protection performance of application equipment is improved.

In an embodiment, referring to fig. 5, 3 sets of isosceles chamfer angles 2 with vertex angles α are arranged along one side of the belt-like structure 1, and the vertex angle α of the isosceles chamfer angle 2 is 90 °; the strip-shaped structure 1 can be bent along the isosceles chamfer angle to form a right-angle structure, and the strip-shaped structure 1 can be selectively bent into a square or rectangular closed ring-shaped structure according to the isosceles chamfer angles 2 at different positions.

The application of the rectangular strip-shaped sealing structure in the tank furnace 3 is shown in figures 3-5, the tank furnace 3 comprises a calcining tank body 4, a feeding machine 6 and a water jacket 5 arranged between the calcining tank body and the feeding machine, square flanges 9 are correspondingly arranged at the bottom end of the calcining tank body 4, the upper end and the lower end of the feeding machine 6 and the upper end and the lower end of the water jacket 5, and the water jacket 5 is fixedly connected with the calcining tank body 4 and the feeding machine 6 through the square flanges and connecting bolts respectively. The strip-shaped sealing structure of the embodiment of the application is arranged between the water jacket 5 and the square flange 9 of the feeder 6, and the strip-shaped structure 1 can be bent into a rectangular sealing annular structure corresponding to the square flange 9 through three groups of isosceles chamfer angles 2 arranged on the strip-shaped structure; one end of the belt-shaped structure 1 is bent along the adjacent isosceles tangent angle 2 to form a movable belt strip 13, the far end of the movable belt strip 13 is in a closed state and forms a closed part 14 with the other end of the belt-shaped structure 1, and the closed part 14 is connected with refractory mortar in a sealing mode. The width of the belt-shaped structure 1 can be properly smaller than that of the square flange, for example, the width of the belt-shaped structure is 80-120mm, the thickness of the belt-shaped structure 1 is 8-12mm, and the width of the square flange is 100-140mm; when the device is installed, the outer edge of a rectangular closed ring structure formed by bending and enclosing a belt-shaped structure is flush with the outer edge of a square flange, the distance between the inner edge of the rectangular closed ring structure and the inner edge of the square flange is 20mm, after a movable belt strip 13 is opened along an isosceles chamfer angle, an inserting plate inlet end 12 is formed at the opening position, and an inserting plate channel 10 for inserting an inserting plate is formed on the inner side of the long edge of the rectangular closed ring structure, so that the inserting plate is inserted into the inserting plate channel 10 to realize the cutoff between a water jacket 5 and a feeder 6, and the replacement and maintenance of a lattice feeding roller in the feeder are met.

In another embodiment, shown in FIG. 7, the tip angle of isosceles chamfer angle 2 is 90 < α < 160; the belt-like structure 1 is bent into a closed circular structure of a circle or an ellipse along the isosceles tangent angle. The preferred embodiment is that the values of alpha are 120 degrees, 145 degrees and 160 degrees, and the extreme value of the bendable angle of two adjacent sections of the corresponding belt-shaped structure is 60 degrees, 72.5 degrees and 80 degrees; it should be noted that the vertex angle α of the isosceles tangent angle may be a large value, and when the strip-shaped structure 1 is bent into a closed annular structure of a desired shape, the vertex angle α of the isosceles tangent angle does not need to form a zero angle, which satisfies the requirement of the strip-shaped structure 1 for extra space.

The application of the circular strip-shaped sealing structure in the storage bin 15 is shown in fig. 6 and 7, wherein the storage bin 15 comprises a bin body 16, a conical storage bin 18 and a plate-type valve 19, the joints of the bin body 16, the conical storage bin 18 and the plate-type valve 19 are respectively and correspondingly provided with a circular flange 17, the circular flange 17 with different diameters is formed by bending the strip-shaped structure 1 into a circular closed ring structure with the required diameter, and the strip-shaped structure with the excessive length is cut off and is bonded with refractory clay.

The belt-shaped structure 1 is provided with a plurality of groups of positioning holes 11 corresponding to the connecting flanges and allowing the connecting bolts to pass through, and the two groups of connecting flanges and the fixed connection of the closed ring-shaped structure between the two groups of connecting flanges can be realized through the connecting bolts.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The strip-shaped sealing structure is characterized in that the strip-shaped sealing structure is a strip-shaped structure (1) woven by high-temperature-resistant fibers, a plurality of isosceles cutting angles (2) with vertex angles alpha are arranged along one side of the strip-shaped structure (1), and the angle alpha is more than or equal to 30 degrees and less than or equal to 160 degrees; the width of the top of the isosceles chamfer angle (2) and the width of the other side of the strip-shaped structure (1) are L, and L is 1/3-1/2 of the strip-shaped width; the belt-shaped structure (1) is bent into a closed annular structure along the isosceles chamfer angle (2).

2. Strip-shaped sealing structure according to claim 1, characterized in that the number of said isosceles chamfer angles (2) is 3 groups and the isosceles chamfer angle (2) has a vertex angle α of 90 °; the strip-shaped structure (1) is bent along an isosceles corner cut to form a square or rectangular closed ring-shaped structure.

3. Strip seal according to claim 2, characterised in that one end of the strip structure (1) is bent along its adjacent isosceles chamfer (2) to form a moving strip (13), and that the remote end of the moving strip (13) forms a closure (14) with the other end of the strip structure (1) in the closed position, the closure (14) being sealingly connected by refractory mortar.

4. Strip-shaped sealing structure according to claim 1, characterised in that the isosceles chamfer angle (2) has a vertex angle of 90 ° < α < 160 °; the belt-shaped structure (1) is bent into a circular or elliptical closed ring-shaped structure along an isosceles tangent angle.

5. The strip seal structure of claim 1, characterized in that the strip structure (1) is provided with a plurality of positioning holes (11) for connecting bolts to pass through.

6. The strip seal structure of claim 1, characterized in that the strip structure (1) is a stainless steel wire mesh structure wrapped by a band of ceramic fibers.

7. Strip seal construction according to claim 1, characterised in that the width of the strip construction (1) is 80-120mm.

8. Strip seal construction according to claim 1, characterised in that the thickness of the strip construction (1) is 8-12mm.