CN215581772U

CN215581772U - Graphite furnace inner bag heat preservation closing device

Info

Publication number: CN215581772U
Application number: CN202120927695.3U
Authority: CN
Inventors: 黄超斌; 成友为
Original assignee: Zhuzhou Nuotian Electrothermal Technology Co ltd
Current assignee: Zhuzhou Nuotian Electrothermal Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-18
Anticipated expiration: 2031-04-30

Abstract

The utility model provides a graphite oven inner bag heat preservation closing device, includes the skeleton, the skeleton rotates with the graphite oven inner bag to be connected and can cover the heat preservation surface, still fixed connection briquetting in the diagonal position of skeleton, and the briquetting covers the diagonal edge that fits the heat preservation when the skeleton covers the heat preservation surface. In the heat-insulating layer pressing device, the pressing blocks are arranged only at the opposite corners of the framework, and when the framework covers the outer surface of the heat-insulating layer, the pressing blocks cover the opposite corners of the heat-insulating layer so as to tightly press and press the heat-insulating layer of the liner. Because the area of the pressing block is small, the pressing layer can be tightly pressed and compacted only by utilizing diagonal compression stress, the pressing block can not deform and crack due to high temperature in the furnace, and the technical problem that the whole insulating plate is tightly pressed and deformed and cracked due to heating in the prior art is thoroughly solved.

Description

Graphite furnace inner bag heat preservation closing device

Technical Field

The utility model relates to the technical field of electromagnetic induction heating, in particular to a graphite furnace inner container heat-insulating layer pressing device.

Background

Electromagnetic induction heating equipment is widely applied to the field of industrial processing and manufacturing at present, and is popular due to high processing efficiency and uniform heating of devices. The existing electromagnetic induction heating equipment is divided into a vertical type and a horizontal type, wherein the horizontal type electromagnetic induction heating equipment is characterized in that an electromagnetic induction heating coil is arranged in a horizontal metal cylinder, an inner container is arranged in the electromagnetic induction heating coil, two ends of the inner container are sealed to form an electromagnetic heating cavity, an article with heating is placed in the sealed inner container, and the article in the inner container is heated through the electromagnetic induction coil.

The application number of 201910679403.6 entitled method and device for sealing inner container of electromagnetic induction heating equipment discloses inner container structure of horizontal graphite furnace and sealing method. This patent discloses an adopted range upon range of heat preservation parcel as the heat preservation in the horizontal graphite furnace inner bag outside of inner bag induction coil to thereby set up the inner cup and compress tightly the heat preservation in the one end of heat preservation and guarantee that inner bag induction coil heating can not run off in a large number. In this patent, adopted the monoblock insulation board as compressing tightly and insulating part between inner cup and the heat preservation, because the inner bag temperature is very high in the course of the work, the monoblock insulation board is very easily cracked after being heated and is out of shape and lead to sealed compressing tightly the effect not good.

In patent publications such as the patent publication No. 201620963376.7 entitled "horizontal graphitization furnace" and the patent publication No. 201922469494.9 entitled "sintering furnace for graphite anode material", all relate to structural improvement of the horizontal graphitization furnace, but all propose targeted improvement schemes for compacting the insulating layer of the inner container, so that the proposal of the compacting device for the insulating layer of the inner container of the graphite furnace has important significance in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a graphite oven inner bag heat preservation closing device, includes the skeleton, the skeleton rotates with the graphite oven inner bag to be connected and can cover the heat preservation surface, still fixed connection briquetting in the diagonal position of skeleton, and the briquetting covers the diagonal edge that fits the heat preservation when the skeleton covers the heat preservation surface.

Furthermore, the pressing device also comprises a pressing strip, wherein the pressing strip is fixedly connected to the opposite angle of the framework, and the pressing block is fixedly connected to the pressing strip.

Further, skeleton diagonal fixedly connected with a pair of connecting seat, layering both ends and connecting seat fixed connection.

Further, the bead is made of an insulating material.

Furthermore, the pressing block is of a plate-shaped structure, one side of the pressing block is arc-shaped, the other side of the pressing block is a straight edge, and the straight edge is fixedly connected with the pressing strip.

Further, an insulating pad is arranged between the pressing block and the pressing strip.

Furthermore, the framework is a # -shaped framework formed by vertically connecting two longitudinal beams and two cross beams, one ends of the two cross beams are hinged with the graphite furnace inner container, and the pressing block is fixedly connected between one adjacent longitudinal beam and one cross beam.

Furthermore, the pressing blocks are fixedly connected to four opposite corners of the framework.

Further, the pair of connecting seats are respectively connected to one end of a longitudinal beam and one end of a cross beam.

Furthermore, a pressing strip is fixedly connected between the two ends of the longitudinal beam and the two ends of the cross beam.

The utility model has the following advantages:

1. in the heat-insulating layer pressing device, the pressing blocks are arranged only at the opposite corners of the framework, and when the framework covers the outer surface of the heat-insulating layer, the pressing blocks cover the opposite corners of the heat-insulating layer so as to tightly press and press the heat-insulating layer of the liner. Because the area of the pressing block is small, the pressing layer can be tightly pressed and compacted only by utilizing diagonal compression stress, the pressing block can not deform and crack due to high temperature in the furnace, and the technical problem that the whole insulating plate is tightly pressed and deformed and cracked due to heating in the prior art is thoroughly solved.

2. The pressing block and the framework are connected through the insulating pressing strips, so that an electromagnetic induction loop between the pressing block and the framework is cut off, the pressing block is prevented from being overheated due to temperature rise caused by induction current generated by the electromagnetic induction loop, and the pressing block is further prevented from being deformed due to heating.

Drawings

FIG. 1: the overall structure schematic diagram of the framework and the pressing device;

FIG. 2: the local enlargement of the pressing block.

Detailed Description

In order that those skilled in the art will be able to fully practice the present invention, it will be further described with reference to the accompanying drawings and specific examples.

As shown in figure 1, the graphite furnace inner container heat-insulating layer pressing device is characterized in that a framework 1 is a # -shaped framework formed by vertically connecting two longitudinal beams 11 and two cross beams 12, one ends of the two cross beams 12 are hinged with a graphite furnace inner container, and a pressing block 3 is fixedly connected between one longitudinal beam 11 and one cross beam 12 which are adjacent. In this embodiment, four pressing blocks 3 are respectively fixed at four opposite corners of the framework 1, and when the framework 1 rotates around the hinge point and covers the outer surface of the heat preservation layer 2, the four pressing blocks 3 cover four opposite corners of the heat preservation layer 2, and the whole framework 1 is combined to compress and compact the heat preservation layer 2.

In this embodiment, at one of the diagonal positions of the framework 1, a pair of connecting seats 5 are respectively connected to one end of a longitudinal beam 11 and one end of a transverse beam 12, one connecting seat 5 is welded to one end of one longitudinal beam 11, and the other connecting seat 5 is welded to one end of one transverse beam 12. The pressing strip 4 made of insulating materials is fixedly connected with the connecting seat 5, and the pressing block 3 is fixedly connected on the connecting seat 5. The pressing block 5 is connected with the connecting seat 5 through a bolt, and an insulating pad 5 is connected between the pressing block 5 and the pressing strip 4. Therefore, at the diagonal position of the framework 1, an electromagnetic induction loop cannot be formed among the longitudinal beam 11, the cross beam 12 and the pressing block 5 due to the isolation of the insulating pressing strip 4 and the insulating pad 6, and the temperature rise of the pressing block caused by induction current is avoided.

In this embodiment, the insulating layer 2 is cut into a shape of straight edges on two sides of an upper arc and a lower arc, in order to enable the pressing block 3 to be better attached and matched with the edge of the insulating layer 2, one side edge of the pressing block 3 is arc-shaped, the other side edge is a straight edge, and the straight edge is fixedly connected with the pressing strip 4. When the pressing block 3 is contacted with the heat-insulating layer 2, the arc edge of the pressing block can be completely attached to the edge of the heat-insulating layer 2, and the pressing effect is best.

Still fixedly connected with layering 4 between parallel longeron 11 and the crossbeam 12 both ends, the same fixedly connected with connecting seat 5 of one end of longeron 11 and crossbeam 12, layering 4 fixed connection is on connecting seat 5, is provided with insulating pad 6 between layering 4 and the connecting seat 5 equally.

Obviously, the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a graphite oven inner bag heat preservation closing device, includes skeleton (1), skeleton (1) rotates with the graphite oven inner bag to be connected and can approximately fit heat preservation (2) surface, its characterized in that: and the diagonal position of the framework (1) is also fixedly connected with a pressing block (3), and when the framework (1) covers the outer surface of the heat-insulating layer (2), the pressing block (3) covers the diagonal edge of the heat-insulating layer (2).

2. The graphite furnace liner insulating layer pressing device as claimed in claim 1, characterized in that: still include layering (4), layering (4) fixed connection is in skeleton (1) diagonal, and briquetting (3) fixed connection is on layering (4).

3. The graphite furnace liner insulating layer pressing device as claimed in claim 2, characterized in that: the opposite corners of the framework (1) are fixedly connected with a pair of connecting seats (5), and the two ends of the pressing strip (4) are fixedly connected with the connecting seats (5).

4. The graphite furnace liner insulating layer pressing device as claimed in claim 3, characterized in that: the press strip (4) is made of insulating material.

5. The graphite furnace liner insulating layer pressing device as claimed in claim 2, characterized in that: the pressing block (3) is of a plate-shaped structure, one side edge of the pressing block (3) is arc-shaped, the other side edge is a straight edge, and the straight edge is fixedly connected with the pressing strip (4).

6. The graphite furnace liner insulating layer pressing device as claimed in claim 2, characterized in that: an insulating pad (6) is further arranged between the pressing block (3) and the pressing strip (4).

7. The graphite furnace liner insulating layer pressing device as claimed in claim 3, characterized in that: the framework (1) is a # -shaped framework formed by vertically connecting two longitudinal beams (11) and two cross beams (12), one ends of the two cross beams (12) are hinged with the graphite furnace inner container, and the pressing block (3) is fixedly connected between one adjacent longitudinal beam (11) and one cross beam (12).

8. The graphite furnace liner insulating layer pressing device as claimed in claim 7, characterized in that: the pressing block (3) is fixedly connected to four opposite corners of the framework (1).

9. The graphite furnace liner insulating layer pressing device as claimed in claim 8, wherein: the pair of connecting seats (5) are respectively connected to one end of a longitudinal beam (11) and one end of a cross beam (12).

10. The graphite furnace liner insulating layer pressing device as claimed in claim 7, characterized in that: pressing strips (4) are fixedly connected between the two ends of the parallel longitudinal beams (11) and the two ends of the transverse beams (12).