CN219914033U - Sealing structure of heating furnace tube - Google Patents

Abstract

The utility model relates to the technical field of heating furnaces and discloses a heating furnace tube sealing structure, which comprises a furnace body, wherein one side of the furnace body is fixedly connected with a first connecting tube, the inside of the first connecting tube is provided with a slot, the inside of the first connecting tube is provided with a limit groove, the inside of the limit groove is slidably connected with a clamping block, and the inside of the slot is slidably connected with an inserting ring. According to the utility model, the clamping groove can extrude the clamping block through pulling the second connecting pipe, the clamping block is retracted into the limiting groove, the convex plate is driven to slide out along the slot, and the effect of facilitating disassembly and replacement of the second connecting pipe is achieved, so that the tightness of the furnace tube is reduced due to aging, the sealing lantern ring is reduced, one side of the sealing lantern ring is rotationally connected with the pulley through sliding, the sealing lantern ring can slide along the guide rail, after the sealing lantern ring covers the furnace tube joint, the bolt is rotated, the sealing lantern ring can be limited, and the effect of facilitating improvement of the tightness of the furnace tube is achieved.

Description

Sealing structure of heating furnace tube

Technical Field

The utility model relates to the technical field of heating furnaces, in particular to a sealing structure of a heating furnace tube.

Background

The heating furnace is a direct heating type heating device, is mainly used for heating liquid or gas chemical raw materials, the used fuel is usually fuel oil and fuel gas, the heating furnace tube is the device for conveying the gas outside the heating furnace, the existing heating furnace tube is fixedly connected through bolts, and when leakage occurs in the pipeline, the heating furnace tube is inconvenient to detach and replace, so that the sealing performance of the heating furnace tube is reduced, and therefore, the need of providing a sealing structure of the heating furnace tube is urgent.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide a sealing structure of a heating furnace tube, which can be convenient for disassembling and replacing the heating furnace tube.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a sealing structure of a heating furnace tube, which adopts the following technical scheme: the furnace body is included, one side fixedly connected with first connecting pipe of furnace body, the slot has been seted up to the inside of first connecting pipe, the spacing groove has been seted up to the inside of first connecting pipe, the inside sliding connection of spacing groove has the fixture block, the inside sliding connection of slot has the inserted ring.

The outside fixedly connected with flange of inserted ring, the draw-in groove has been seted up to one side of flange.

As the preferable scheme, one side fixedly connected with spring of fixture block, and the spring is located the inside of spacing groove, when dismantling the change to the heating furnace boiler tube, can make the fixture block remove and extrude the spring.

As the preferable scheme, be the block connection between flange and the slot, and block mutually block between fixture block and the draw-in groove, when dismantling the change to the heating furnace boiler tube, can make the flange insert in the slot and install.

As the preferred scheme, one side fixedly connected with second connecting pipe of inserted ring, the outside fixedly connected with guide rail of second connecting pipe is dismantling the change to the heating furnace boiler tube, can be convenient for promote the leakproofness of boiler tube.

As the preferable scheme, the outside sliding connection of guide rail has sealed lantern ring, and block mutually between guide rail and the sealed lantern ring, when dismantling the change to the heating furnace boiler tube, can make sealed lantern ring slide along the guide rail.

As the preferable scheme, the inside rotation of sealed lantern ring is connected with the pulley, and pulley and one side of guide rail laminate mutually, when dismantling the change to the heating furnace boiler tube, can make the pulley rotate along the guide rail.

As an optimal scheme, the external thread of the sealing lantern ring is connected with a bolt, and when the heating furnace tube is disassembled and replaced, the guide rail can be extruded by rotating the bolt.

(III) beneficial effects

Compared with the prior art, the utility model provides a heating furnace tube sealing structure, which comprises the following components

The beneficial effects are that:

1. according to the furnace tube disassembly and replacement device, the slot, the limiting groove, the clamping block, the convex plate, the clamping groove and the second connecting pipe are arranged, when a user disassembles and replaces the furnace tube, the clamping groove can squeeze the clamping block by pulling the second connecting pipe, so that the clamping block is retracted into the limiting groove, the convex plate is driven to slide out along the slot, the effect of disassembling and replacing the second connecting pipe is achieved, and therefore tightness of the furnace tube is reduced due to aging.

2. According to the utility model, the guide rail, the sealing collar, the pulley and the bolt are arranged, when a user wants to improve the tightness of the furnace tube, the sealing collar is slid, one side of the sealing collar is rotationally connected with the pulley, so that the sealing collar can slide along the guide rail, and after the sealing collar covers the joint of the furnace tube, the bolt is rotated, so that the sealing collar can be limited, and the effect of improving the tightness of the furnace tube conveniently is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a side cross-sectional view of a first connecting tube of the present utility model;

FIG. 3 is a perspective view of an insert ring of the present utility model;

FIG. 4 is a side cross-sectional view of a second connecting tube of the present utility model;

fig. 5 is an enlarged view of the structure of fig. 4 at a in accordance with the present utility model.

In the figure: 1. a furnace body; 2. a first connection pipe; 3. a slot; 4. a limit groove; 5. a clamping block; 6. inserting a ring; 7. a convex plate; 8. a clamping groove; 9. a second connection pipe; 10. a guide rail; 11. a sealing collar; 12. a pulley; 13. and (5) a bolt.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1-5, this embodiment provides a sealing structure of a heating furnace tube, including a furnace body 1, one side of the furnace body 1 is fixedly connected with a first connecting tube 2, a slot 3 is provided in the first connecting tube 2, a limit groove 4 is provided in the first connecting tube 2, a clamping block 5 is slidably connected in the limit groove 4, an insert ring 6 is slidably connected in the slot 3, through setting up the slot 3, the limit groove 4, the clamping block 5, a convex plate 7, the clamping groove 8 and a second connecting tube 9, when a user dismantles and replaces the furnace tube, the clamping groove 8 can squeeze the clamping block 5 by pulling the second connecting tube 9, the clamping block 5 is retracted into the limit groove 4, and then the convex plate 7 is driven to slide out along the slot 3, thereby achieving the effect of facilitating the dismounting and replacing of the second connecting tube 9, thereby reducing the sealing performance of the furnace tube due to aging.

The outside fixedly connected with flange 7 of inserted ring 6, draw-in groove 8 has been seted up to one side of flange 7, through setting up guide rail 10, seal ring 11, pulley 12 and bolt 13, when the user wants to promote the leakproofness of boiler tube, through sliding seal ring 11, and one side rotation of seal ring 11 is connected with pulley 12, can make seal ring 11 slide along guide rail 10, after seal ring 11 covers boiler tube junction, rotate bolt 13, can carry out spacingly to seal ring 11, play the effect of being convenient for promote boiler tube leakproofness.

One side fixedly connected with spring of fixture block 5, and the spring is located the inside of spacing groove 4, when dismantling the change to the heating furnace boiler tube, can make fixture block 5 remove the back and reset.

The convex plate 7 is connected with the slot 3 in a clamping way, and the clamping block 5 is clamped with the clamping groove 8, so that the clamping block 5 can be clamped into the clamping groove 8 for limiting when the furnace tube of the heating furnace is detached and replaced.

Example 2

One side of the insert ring 6 is fixedly connected with a second connecting pipe 9, the outside of the second connecting pipe 9 is fixedly connected with a guide rail 10, and the tightness of the furnace tube can be conveniently improved when the furnace tube of the heating furnace is detached and replaced.

The seal collar 11 is slidably connected to the outside of the guide rail 10, and the seal collar 11 is engaged with the guide rail 10, so that the seal collar 11 can be slid along the guide rail 10 when the furnace tube of the heating furnace is removed and replaced.

The pulley 12 is rotatably connected to the inner side of the seal collar 11, and the pulley 12 is attached to one side of the guide rail 10, so that the pulley 12 can be rotated along the guide rail 10 when the furnace tube of the heating furnace is detached and replaced.

The bolt 13 is screwed on the outside of the sealing collar 11, and when the furnace tube of the heating furnace is disassembled and replaced, the bolt 13 can be rotated to squeeze the guide rail 10.

The working principle of the utility model is as follows: when the user dismantles the change to the boiler tube, through pulling second connecting pipe 9, can make draw-in groove 8 extrude fixture block 5, make fixture block 5 income spacing inslot 4, and then drive flange 7 and shift out along slot 3 slip, and then play the effect of being convenient for dismantle the change to second connecting pipe 9, thereby reduce the boiler tube and reduce its leakproofness because ageing, when the user wants to promote the leakproofness of boiler tube, through sliding seal lantern ring 11, and one side rotation of seal lantern ring 11 is connected with pulley 12, can make seal lantern ring 11 slide along guide rail 10, after seal lantern ring 11 covers the boiler tube junction, rotate bolt 13, can carry out spacingly to seal lantern ring 11, play the effect of being convenient for promote boiler tube leakproofness.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a heating furnace tube seal structure, includes furnace body (1), its characterized in that: one side of the furnace body (1) is fixedly connected with a first connecting pipe (2), a slot (3) is formed in the first connecting pipe (2), a limit groove (4) is formed in the first connecting pipe (2), a clamping block (5) is slidably connected in the limit groove (4), and an inserting ring (6) is slidably connected in the slot (3);

the outside fixedly connected with flange (7) of inserted ring (6), draw-in groove (8) have been seted up to one side of flange (7).

2. The heating furnace tube sealing structure according to claim 1, wherein: one side of the clamping block (5) is fixedly connected with a spring, and the spring is positioned in the limiting groove (4).

3. The heating furnace tube sealing structure according to claim 1, wherein: the convex plate (7) is connected with the slot (3) in a clamping way, and the clamping block (5) is clamped with the clamping groove (8).

4. The heating furnace tube sealing structure according to claim 1, wherein: one side of the insert ring (6) is fixedly connected with a second connecting pipe (9), and the outside of the second connecting pipe (9) is fixedly connected with a guide rail (10).

5. The heating furnace tube sealing structure according to claim 4, wherein: the outside of guide rail (10) sliding connection has sealed lantern ring (11), and block between guide rail (10) and the sealed lantern ring (11).

6. The heating furnace tube sealing structure according to claim 5, wherein: the inner side of the sealing sleeve ring (11) is rotatably connected with a pulley (12), and the pulley (12) is attached to one side of the guide rail (10).

7. The heating furnace tube sealing structure according to claim 6, wherein: a bolt (13) is connected to the outer thread of the sealing collar (11).