CN210636046U

CN210636046U - Sealing structure for furnace mouth of common plate continuous annealing high-temperature furnace

Info

Publication number: CN210636046U
Application number: CN201921250522.1U
Authority: CN
Inventors: 丁卫国
Original assignee: Jiangsu Shagang Group Co Ltd; Zhangjiagang Yangzijiang Cold Rolled Sheet Co Ltd
Current assignee: Jiangsu Shagang Group Co Ltd; Zhangjiagang Yangzijiang Cold Rolled Sheet Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-29
Anticipated expiration: 2029-08-05

Abstract

The utility model relates to the field of furnace mouth sealing, and discloses a sealing structure of a common plate continuous annealing high-temperature furnace mouth, which comprises a furnace mouth and a furnace door arranged right opposite to the furnace mouth, the edge of the furnace opening is provided with a sealing knife, the surface of the furnace door facing the furnace opening is provided with a sealing strip which can be buckled with the sealing knife, the sealing strip and the sealing knife form a sealing structure of the high-temperature furnace together, the sealing knife is cylindrical, the arc cylindrical surface of the sealing knife is arranged facing the sealing strip, the contact surface of the sealing strip and the sealing knife is provided with an arc groove corresponding to the arc cylindrical surface, the stainless steel round steel is used for replacing the steel sheet in the utility model, thereby avoiding the deformation and damage of the steel sheet and the damage of the sealing strip, which leads to the overflow of high-temperature gas from the furnace mouth, and frequent replacement leads to the increase of maintenance cost, still increases the contact surface of seal sword and sealing strip, has promoted sealed effect, and the sealing strip can be through the terminal surface used repeatedly of replacement and seal sword contact.

Description

Sealing structure for furnace mouth of common plate continuous annealing high-temperature furnace

Technical Field

The utility model relates to a fire door sealing field, specific is ordinary board moves back high temperature furnace fire door seal structure even.

Background

The temperature in the high-temperature furnace is high, the service cycle of equipment in the furnace is short, and the equipment needs to be replaced frequently. And the inspection and replacement personnel and equipment need to frequently enter and exit from the furnace mouth. The furnace mouth needs to be opened and closed frequently. The contact points of the sealing strips of the furnace door and the furnace mouth are frequently damaged. The original furnace mouth sealing adopts a 2cm thin steel sheet embedded in a high-temperature sealing strip as a sealing buckle. After high temperature heating, the steel sheet is deformed and damaged. And cutting the seal strip. Causing high temperature gas to escape from the furnace mouth. Potential safety hazards occur. Frequent replacement leads to increased maintenance costs. Therefore, it is a problem to be solved at present to design a sealing structure capable of preventing the sealing strip from being damaged and improving the durability of the sealing strip at the same time.

Disclosure of Invention

To the above problem, the utility model provides a sealed respond well, and very durable ordinary board moves back high temperature furnace fire door seal structure even, and concrete structure is as follows:

the sealing structure of the fire door of the common plate continuous annealing high-temperature furnace comprises the fire door and a furnace door arranged right opposite to the fire door, wherein the edge of the fire door is provided with a sealing knife, the surface of the furnace door facing the fire door is provided with a sealing strip which can be buckled with the sealing knife, and the sealing strip and the sealing knife jointly form the sealing structure of the high-temperature furnace,

the sealing knife is cylindrical, the arc cylindrical surface of the sealing knife is arranged facing the sealing strip, and the contact surface of the sealing strip and the sealing knife is provided with arc grooves corresponding to the arc cylindrical surface.

Further, the furnace mouth is a rectangular opening, sealing knives arranged along the side edges of the furnace mouth are respectively arranged on two sides of the furnace mouth, and the sealing knives are stainless steel round steel.

Further, the furnace gate is the rectangular plate, and the seal groove has been seted up respectively to the furnace gate towards the both sides of fire door terminal surface, and every seal groove always has inserted respectively the sealing strip, the sealing strip is the regular cuboid structure, is equipped with respectively on four rectangular surfaces of sealing strip with sealing sword assorted recess.

Further, the sealing strip is made of elastic materials, and the elastic materials are high-temperature resistant rubber.

Furthermore, the two sides of the groove on the four rectangular surfaces of the sealing strip are respectively provided with a slot parallel to the groove, and the bottom of the sealing groove is provided with two inserting strips corresponding to the slots.

Further, the bottom of two sealing knives is equipped with a frame plate respectively, the bottom and the fire door welded fastening of frame plate, frame plate top both ends are equipped with the staple bolt respectively, the staple bolt includes the lockhole that constitutes by first semicircle spare and the combination of second semicircle spare, first semicircle spare and frame plate welded fastening, first semicircle spare one end is articulated with second semicircle spare one end, and the other end of first semicircle spare and second semicircle spare is equipped with the otic placode respectively, is connected through the bolt between two otic placodes, and the lockhole of two staple bolts aligns each other, sealing knife is gone into in the lockhole of two staple bolts by two locks.

Compared with the prior art, the utility model has the advantages as follows:

1. the utility model provides a stainless steel round steel for sealed sword replaces the steel sheet, has avoided the steel sheet to warp and has damaged and cut bad sealing strip, leads to high-temperature gas to spill over from the fire door to and frequent change leads to the maintenance cost to increase, still increases the contact surface of sealing sword and sealing strip, has promoted sealed effect.

2. The sealing strip can be reused by replacing the end face in contact with the sealing knife.

3. The sealing knife is arranged in the hoop, so that the sealing knife can be conveniently replaced.

Drawings

FIG. 1 is a view showing a structure of a sealing knife and a sealing strip in a non-pressed state;

FIG. 2 is a view showing the structure of a sealing knife and a sealing strip in a pressed state;

fig. 3 is a front structural view of the shelf plate;

fig. 4 is a side view structural view of the shelf plate;

fig. 5 is a top view structural view of the shelf plate.

Reference numerals:

1. a furnace mouth; 2. sealing the knife; 3. a furnace door; 4. a sealing groove; 5. a sealing strip; 6. an arc-shaped groove; 7. a slot; 8. cutting; 9. a frame plate; 10. hooping; 11. a first semicircular piece; 12. a second semi-circular member; 13. an ear plate; 14. a bolt; 15. a second bolt; 17. a protrusion portion; 18. a first arc surface; 19. a second arc surface; 20. and a screw hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in figures 1 to 5, the sealing structure of the mouth of the common plate continuous annealing high-temperature furnace comprises a furnace body 1 and further comprises

Ordinary board moves back 1 seal structure of high temperature furnace fire door, including fire door 1 and just to fire door 3 of fire door 1 setting, 1 edge of fire door is equipped with sealed

sword

2, and 3 furnace doors are equipped with on the surface towards fire door 1 can with the sealing strip 5 of sealed sword 2 lock joint, both constitute jointly the seal structure of high temperature furnace, sealed sword 2 is cylindricly, and the arc cylinder of sealed sword 2 sets up towards sealing strip 5, sealing strip 5 with the contact surface of sealed sword 2 be equipped with the corresponding arc recess 6 of arc cylinder.

Example 2

The furnace mouth 1 is a rectangular opening, the two sides of the furnace mouth 1 are respectively provided with a sealing knife 2 arranged along the side edge, and the sealing knife 2 is stainless steel round steel. The furnace gate 3 is the rectangular plate, and seal groove 4 has been seted up respectively to the both sides of furnace gate 3 towards 1 terminal surface of fire door, and every seal groove 4 always has inserted respectively sealing strip 5, sealing strip 5 is the regular cuboid structure, is equipped with respectively on four rectangular surfaces of sealing strip 5 with sealing sword 2 assorted arc recess 6. The sealing strip 5 is made of elastic materials, and the preferable elastic materials are high-temperature-resistant rubber. The two sides of the arc-shaped groove 6 on the four rectangular surfaces of the sealing strip 5 are respectively provided with a slot 7 parallel to the arc-shaped groove 6, and the bottom of the sealing groove 4 is provided with two inserting strips 8 corresponding to the slots 7. The sealing strip 5 can be inserted into the sealing groove 4 from the open ends of the two ends of the sealing groove 4, and the two inserting strips 8 at the bottom of the sealing groove 4 are respectively inserted into the two inserting grooves 7 on the end surface of the sealing strip 5 contacting with the bottom of the groove.

The utility model provides a fire door is not only limited to the rectangle, can be for circular, T type, triangle-shaped etc, sealed sword 2 is not only limited to the both sides that set up at the fire door yet, can set up to correspond cyclic annularly with above-mentioned shape.

Example 3

Further for the steadiness ability and the sealing performance that promote sealing knife 2, the utility model discloses carry out following design:

the bottom of two sealing sword 2 is equipped with one respectively along frame plate 9 of 1 side setting of fire door, the bottom and the 1 welded fastening of fire door of frame plate 9, frame plate 9 are trapezoidal platform structure, and frame plate 9 top both ends are equipped with staple bolt 10 respectively, staple bolt 10 includes the lockhole that comprises first semicircle piece 11 and the merging of second semicircle piece 12, and first semicircle piece 11 and frame plate 9 welded fastening, first semicircle piece 11 one end are articulated with second semicircle piece 12 one end, and the first semicircle piece 11 other end is equipped with otic placode 13 respectively with the other end of second semicircle piece 12, is connected through bolt 14 between two otic placodes 13, and the lockhole of two staple bolts 10 aligns each other, sealing sword 2 is locked into in the lockhole of two staple bolts 10 by two.

As shown in figure 1, when the sealing strip 5 is not extruded, the part of the sealing knife 2 is embedded into the arc-shaped groove 6 of the sealing strip 5, when a worker needs to seal the furnace door 3, the furnace door 3 is pressed towards the furnace opening 1, as shown in figure 2, at the moment, the sealing knife 2 is completely embedded into the arc-shaped groove 6 of the sealing strip 5, the slots 7 at two sides of the arc-shaped groove 6 are pressed, the groove walls at one side of the adjacent side of the slot 7 and the arc-shaped groove 6 are bent towards the direction of the arc-shaped groove 6, and meanwhile, the groove walls at two sides of the groove are inwards shrunk and are tightly attached to the surface of the sealing knife 2, so that a good sealing effect.

Example 4

Further leakproofness for between poppet plate 9 and sealing knife 2, the utility model discloses carry out following setting:

the position that the top surface of the frame plate 9 corresponds to the first semicircle piece 11 of the hoop 10 is provided with a first cambered surface 18, the radian of the first cambered surface 18 is matched with the outer surface radian of the first semicircle piece 11, a screw hole 20 is formed in the first cambered surface 18, the bottom of the first semicircle piece 11 is integrally connected with a second bolt 15, and when the first semicircle piece 11 is embedded into the first cambered surface 18, the second bolt 15 is connected into the screw hole 20.

The frame plate 9 top surface is located and is equipped with the bellying between two staple bolts 10, the bellying is used for sealing because gap between sealed sword 2 and the frame plate 9 that first semicircle piece 11 caused, the top surface of bellying 17 is equipped with second cambered surface 19, second cambered surface 19 suits with the surperficial radian of sealed sword 2, the embedding of sealed sword 2 is in second cambered surface 19.

The sealing knife 2 according to embodiment 2 may be configured as a ring structure, and the frame plate 9 corresponds to the sealing knife 2 in shape, for example, the frame plate 9 is a circular frame plate 9 corresponding to an opening of the circular structure, and the anchor ear 10 is disposed at four inner corners of an inscribed square of the circular frame plate 9; for another example, the sealing knife 2 may be provided with a triangular or polygonal structure, the shelf 9 is a triangular or polygonal shelf 9 corresponding to the triangular or polygonal structure, and two ends of each side of the triangular or polygonal shelf 9 are respectively provided with a hoop 10.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The sealing structure of the fire door of the common plate continuous annealing high-temperature furnace comprises the fire door and a furnace door arranged right opposite to the fire door, wherein the edge of the fire door is provided with a sealing knife, the surface of the furnace door facing the fire door is provided with a sealing strip which can be buckled with the sealing knife, the sealing strip and the sealing knife jointly form the sealing structure of the high-temperature furnace, and the sealing structure is characterized in that,

2. The sealing structure of the furnace mouth of the common plate continuous annealing high-temperature furnace according to claim 1, wherein the furnace mouth is a rectangular opening, sealing knives arranged along the sides of the furnace mouth are respectively arranged on the two sides of the furnace mouth, and the sealing knives are stainless steel round bars.

3. The sealing structure for the fire door of the ordinary plate continuous annealing high-temperature furnace according to claim 2, wherein the fire door is a rectangular plate, two sides of the fire door facing the end surface of the fire door are respectively provided with a sealing groove, each sealing groove is respectively inserted with the sealing strip, the sealing strips are in a regular cuboid structure, and four rectangular surfaces of the sealing strips are respectively provided with a groove matched with the sealing knife.

4. The sealing structure for the furnace mouth of the common plate continuous annealing high-temperature furnace according to claim 3, wherein the sealing strip is made of an elastic material, and the elastic material is high-temperature resistant rubber.

5. The sealing structure for the furnace mouth of the common plate continuous annealing high-temperature furnace according to claim 4, wherein the four rectangular surfaces of the sealing strip are provided with slots parallel to the groove at two sides of the groove, and two inserting strips corresponding to the slots are arranged at the bottom of the sealing groove.

6. The sealing structure for the fire hole of the ordinary plate continuous annealing high-temperature furnace according to claim 2, wherein two sealing knives are respectively provided with a frame plate at the bottom, the frame plate is welded and fixed with the fire hole at the bottom, two ends of the top of the frame plate are respectively provided with a hoop, the hoop comprises a locking hole formed by combining a first semicircular piece and a second semicircular piece, the first semicircular piece is welded and fixed with the frame plate, one end of the first semicircular piece is hinged with one end of the second semicircular piece, the other end of the first semicircular piece and the other end of the second semicircular piece are respectively provided with an ear plate, the two ear plates are connected through a bolt, the locking holes of the two hoops are aligned with each other, and the sealing knives are locked into the locking holes of the two hoops.