CN217556231U

CN217556231U - Airtight structure for bell-type annealing furnace

Info

Publication number: CN217556231U
Application number: CN202221369828.0U
Authority: CN
Inventors: 林广西
Original assignee: Zhejiang Baosheng Strip Steel Co ltd
Current assignee: Zhejiang Baosheng Strip Steel Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-11
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses an airtight structure for bell-type annealing furnace, fixed mounting has the counter weight base of casing between two parties including the top, fixed mounting has annealing stove body between two parties in the casing, the mounting groove has been seted up between two parties to the up end of casing, the inner wall bottom screw-thread fit demountable installation of annealing stove body has sealed apron, form annular water seal groove between the outer fringe face of sealed apron and the inner wall of mounting groove, the top fixed connection of annealing stove body in the casing, the up end symmetry of sealed apron is provided with the handle, the equal fixed connection in sealed apron in both ends of handle, the lower terminal surface fixed mounting of sealed apron has the sealing strip, the inner wall top of annealing stove body is constructed has the board of accepting, the up end of accepting the board is seted up the recess that supplies sealed butt, and this bell-type annealing stove is with airtight structure, and is rational in infrastructure, is convenient for promoting sealed effect, conveniently judges the gas leakage condition simultaneously, and the practicality is strong.

Description

Airtight structure for bell-type annealing furnace

Technical Field

The utility model belongs to the technical field of annealing stove, concretely relates to airtight structure for bell-type annealing stove.

Background

The heat treatment furnace is divided into an annealing furnace, a quenching furnace, a tempering furnace, a normalizing furnace and a quenching and tempering furnace, and is mainly used for annealing large carbon steel and alloy steel parts; tempering the surface quenching part; and (4) performing heat treatment processes such as stress relief annealing and aging on the weldment. The heating mode comprises electric heating, fuel oil, fuel gas, coal and hot air circulation. The annealing furnace is a novel heat exchange device. The annealing furnace is an energy-saving periodic operation furnace, has a super energy-saving structure, adopts a fiber structure and saves electricity by 60 percent.

Annealing is a heat treatment process for metals, which refers to slowly heating the metal to a certain temperature, holding for a sufficient time, and then cooling at a suitable rate in order to reduce hardness, improve deep-workability, eliminate residual stress, stabilize dimensions, reduce the tendency to deformation and cracking, refine grains, adjust the texture, and eliminate texture defects.

At present, when the metal is annealed, the metal needs to be placed in a closed annealing furnace for annealing, the existing annealing furnace is mostly sealed through a rubber strip, the rubber strip is easy to age under long-time use, the air tightness is reduced, and when the air leakage condition occurs, workers cannot timely perceive and maintain the metal, and the metal annealing furnace is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight structure for bell-type annealing furnace to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme does:

an airtight structure for a bell-type annealing furnace comprises a counterweight base, the top of which is fixedly provided with a shell in the middle;

fixed mounting has annealing stove body placed in the middle in the casing, the mounting groove has been seted up between two parties to the up end of casing, the inner wall bottom screw-thread fit demountable installation of annealing stove body has sealed apron, form annular water seal groove between the outer fringe face of sealed apron and the inner wall of mounting groove, the top fixed connection of annealing stove body is in the casing.

Further, handles are symmetrically arranged on the upper end face of the sealing cover plate, two ends of each handle are fixedly connected to the sealing cover plate, a sealing strip is fixedly mounted on the lower end face of the sealing cover plate, a bearing plate is constructed on the top of the inner wall of the annealing furnace body, and a groove for the sealing strip to abut against is formed in the upper end face of the bearing plate in a sealing mode.

Furthermore, the outer side of the lower end face of the sealing cover plate, which is located on the sealing belt, is provided with a sealing structure, and the sealing structure comprises a connecting belt, one end of which is fixedly connected with the lower end face of the sealing cover plate.

Further, the one end fixedly connected with annular sealing strip that sealed apron was kept away from to the connecting band, the seal groove that supplies connecting band and the sealed grafting of annular sealing strip is seted up to the up end of accepting the board.

Further, a vacuum heat insulation cavity is formed between the outer edge surface of the annealing furnace body and the inner wall of the shell, supporting plates are fixedly mounted at the bottom of the inner wall of the annealing furnace body at equal intervals, and a bearing plate is fixedly connected to the top ends of the supporting plates.

Furtherly, be constructed the connecting block on the top outer fringe face of casing, it is provided with top and bottom difference fixed connection in connecting block and counterweight base's connection rib to be annular array on the outer fringe face of casing.

Compared with the prior art, the utility model discloses following beneficial effect has: benefit from the counter weight base, a housing, sealed apron, annealing stove body, the setting in mounting groove and annular water seal groove, behind sealed apron and annealing stove body threaded connection, form annular water seal groove through injecting into the clear water in the orientation mounting groove, can carry out the separation to this internal and outside air of annealing stove through annular water seal groove, thereby supplementary realization is sealed, be favorable to promoting sealed effect, and when the condition of gas leakage appears in annealing stove body, whether appear the bubble in the clear water through observing annular water seal inslot, can judge whether gas leakage, the workman can in time discover and maintain, it is convenient to use.

Drawings

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

fig. 2 is a cross-sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged schematic view of a structure a in fig. 2 according to the present invention.

In the figure: 1. a counterweight base; 2. a housing; 3. connecting blocks; 4. a connecting rib; 5. mounting grooves; 6. an annular water seal tank; 7. sealing the cover plate; 8. a handle; 9. an annealing furnace body; 10. a vacuum insulation chamber; 11. a bearing plate; 12. sealing tape; 13. a connecting belt; 14. an annular sealing strip; 15. a carrier plate; 16. and a support plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In order to facilitate the promotion of sealed effect, conveniently judge the gas leakage condition simultaneously, as shown in fig. 1-3, this bell-type annealing stove is with airtight structure, including top fixed mounting placed in the middle counterweight base 1 of casing 2, fixed mounting placed in the middle has annealing stove body 9 in casing 2, mounting groove 5 has been seted up between two parties to the up end of casing 2, the inner wall bottom screw-thread fit demountable installation of annealing stove body 9 has sealed apron 7, form annular water seal groove 6 between the outer fringe face of sealed apron 7 and the inner wall of mounting groove 5, top fixed connection of annealing stove body 9 is in casing 2, benefit from counterweight base 1, casing 2, sealed apron 7, annealing stove body 9, mounting groove 5 and the setting of annular water seal groove 6, after with sealed apron 7 and annealing stove body 9 threaded connection, form annular water seal groove 6 through pouring into the clear water into in the mounting groove 5, can be to annealing stove body 9 inside and outside air separation through annular water seal groove 6, thereby supplementary realization is sealed, be favorable to promoting sealed effect, and when the condition that gas leakage appears in annealing stove body 9, whether bubble appears in the clear water seal groove 6 appears through observing, can in time judge the gas leakage condition, and can the maintenance, and the workman can use and conveniently use.

In order to realize the sealing connection between the sealing cover plate 7 and the annealing furnace body 9, as shown in fig. 1-3, handles 8 are symmetrically arranged on the upper end face of the sealing cover plate 7, both ends of each handle 8 are fixedly connected to the sealing cover plate 7, a sealing strip 12 is fixedly mounted on the lower end face of the sealing cover plate 7, a receiving plate 11 is constructed on the top of the inner wall of the annealing furnace body 9, a groove for the sealing strip 12 to abut against is formed in the upper end face of the receiving plate 11, a sealing structure is arranged on the outer side, located on the sealing strip 12, of the lower end face of the sealing cover plate 7 and comprises a connecting strip 13, one end of the connecting strip 13 is fixedly connected to the lower end face of the sealing cover plate 7, an annular sealing strip 14 is fixedly connected to one end of the connecting strip 13, and a sealing groove for the connecting strip 13 and the annular sealing strip 14 to be inserted and connected to the upper end face of the receiving plate 11.

For conveniently treating annealing metal and placing, as shown in fig. 1 and fig. 2, form the thermal-insulated chamber 10 in vacuum between the inner wall of annealing stove body 9 outer fringe face and casing 2, and the inner wall bottom equidistance fixed mounting of annealing stove body 9 has backup pad 16, the top fixedly connected with loading board 15 of backup pad 16, be constructed connecting block 3 on the top outer fringe face of casing 2, it is provided with top and bottom difference fixed connection in connecting block 3 and counterweight base 1's connecting rib 4 to be the annular array on casing 2's the outer fringe face.

The working principle is as follows: this bell-type annealing furnace is with airtight structure, during the use, annealing treatment can be arranged in to the metal in annealing furnace body 9, but sealed apron 7 is fixed with annealing furnace body 9 screwed connection, and make sealing strip 12 peg graft and install in the recess, make connecting strip 13 and annular sealing strip 14 peg graft and install in the seal groove, carry out preliminary sealing through sealing strip 12 and annular sealing strip 14, form annular water seal groove 6 through injecting the clear water into in orientation mounting groove 5, can carry out the separation to annealing furnace body 9 in and outside air through annular water seal groove 6, thereby supplementary realization is sealed, be favorable to promoting sealed effect, and when the condition of gas leakage appears in annealing furnace body 9, through observing whether the bubble appears in the clear water in annular water seal groove 6, can judge whether gas leakage, the workman can in time perceive and maintain, this bell-type annealing furnace is with airtight structure, rational in infrastructure, be convenient for promote sealed effect, conveniently judge the gas leakage condition simultaneously, therefore, the clothes hanger is strong in practicability.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An airtight structure for a bell-type annealing furnace comprises a counterweight base (1) of which the top is fixedly provided with a shell (2) in the middle;

the method is characterized in that: fixed mounting has annealing stove body (9) placed in the middle in casing (2), mounting groove (5) have been seted up between the middle to the up end of casing (2), the inner wall bottom screw-thread fit demountable installation of annealing stove body (9) has sealed apron (7), form annular water seal groove (6) between the outer fringe face of sealed apron (7) and the inner wall of mounting groove (5), the top fixed connection of annealing stove body (9) is in casing (2).

2. The airtight structure for a hood-type annealing furnace according to claim 1, wherein: the upper end face symmetry of sealed apron (7) is provided with handle (8), the equal fixed connection in sealed apron (7) in both ends of handle (8), the lower terminal surface fixed mounting of sealed apron (7) has sealing strip (12), the inner wall top of annealing stove body (9) is constructed and is had bearing plate (11), the recess that supplies sealing strip (12) sealed butt is seted up to the upper end face of bearing plate (11).

3. The airtight structure for a hood-type annealing furnace according to claim 2, wherein: the outer side of the lower end face of the sealing cover plate (7) located on the sealing belt (12) is provided with a sealing structure, and the sealing structure comprises a connecting belt (13) with one end fixedly connected to the lower end face of the sealing cover plate (7).

4. The airtight structure for a hood-type annealing furnace according to claim 3, wherein: one end fixedly connected with annular sealing strip (14) of sealed apron (7) are kept away from in connecting band (13), the seal groove that supplies connecting band (13) and annular sealing strip (14) sealed grafting is seted up to the up end of accepting board (11).

5. The airtight structure for a hood-type annealing furnace according to claim 1, wherein: form vacuum heat insulation chamber (10) between the inner wall of annealing stove body (9) outer fringe face and casing (2), and the inner wall bottom equidistance fixed mounting of annealing stove body (9) has backup pad (16), the top fixedly connected with loading board (15) of backup pad (16).

6. The gas-tight structure for the hood-type annealing furnace according to claim 1, wherein: be constructed on the top edge face of casing (2) connecting block (3), be annular array on the edge face of casing (2) and be provided with top and bottom respectively fixed connection in connecting block (3) and connecting rib (4) of counter weight base (1).