CN214842485U

CN214842485U - Furnace shell structure of vacuum furnace

Info

Publication number: CN214842485U
Application number: CN202120761775.6U
Authority: CN
Inventors: 林佳继; 龙占勇; 罗迎春; 李东林
Original assignee: Shenzhen Laplace Energy Technology Co Ltd
Current assignee: Laplace New Energy Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-23
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a vacuum furnace stove outer covering structure, including stove outer covering inner bag, heat preservation and stove outer covering protective layer, the heat preservation is located between stove outer covering inner bag and the stove outer covering protective layer, and the stove outer covering protective layer is located the skin of stove outer covering casing, and the heat preservation passes through fastener and sets firmly with stove outer covering inner bag and stove outer covering protective layer to be connected, the utility model discloses a single-deck inner bag simplifies overall structure, material saving, and the reduction of equipment cost, the utility model discloses a heat preservation adopts the aluminium silicate fiber blanket as heat-resisting insulation material, can effectively prevent the heat from overflowing to the external world from the stove outer covering, reduces the energy consumption, the utility model discloses a stove outer covering protective layer adopts skin material, avoids the heat preservation direct and external contact, appears colliding with the problem of damage, further prevents the heat from overflowing to the external world from the stove outer covering simultaneously.

Description

Furnace shell structure of vacuum furnace

Technical Field

The utility model belongs to the vacuum furnace field relates to a vacuum furnace stove outer covering structure.

Background

Conventional vacuum furnace stove outer covering mainly adopts bilayer structure, arranges the circulation water course between the two-layer stove outer covering, equipment during operation, the circulating water flows in the water course, the cooling stove outer covering, guarantee that stove outer covering surface temperature is not higher than 30 ℃, take the size specification for phi 1200mm 1500mm (diameter) stove outer covering as the example, the energy of taking away by the cooling water is 3741w, can know from this, carry out the mode of cooling to the stove outer covering through arranging the circulation water course, holistic structure is complicated, the material cost is many, a part of heat can be taken away to the cooling water simultaneously, cause unnecessary waste of energy, the utility model discloses this kind of problem has been solved effectively.

Disclosure of Invention

The utility model provides a furnace shell structure of a vacuum furnace, which overcomes the defects of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a furnace shell structure of a vacuum furnace is characterized in that: the furnace shell protection layer is positioned between the furnace shell inner container and the furnace shell protection layer, the furnace shell protection layer is positioned on the outer layer of the furnace shell, and the heat preservation layer is fixedly connected with the furnace shell inner container and the furnace shell protection layer through a fastening device.

Further, the method comprises the following steps of; the furnace shell protective layer wraps the heat-insulating layer inside.

Further, the method comprises the following steps of; the furnace shell protective layer is made of skin.

Further, the method comprises the following steps of; the fastening device comprises a gasket, a nut and a pull rod, the pull rod comprises an insertion end and a fixed end, the insertion end of the pull rod is inserted into the furnace shell protective layer, penetrates through the heat preservation layer and is inserted into the furnace shell inner container, the positions of the furnace shell protective layer, the heat preservation layer and the furnace shell inner container are positioned through the pull rod, the pull rod is sequentially inserted into the nut and the gasket, the gasket is abutted against the furnace shell protective layer, and the heat preservation layer is fixedly connected with the furnace shell inner container and the furnace shell protective layer through a driving nut.

Further, the method comprises the following steps of; the fastening devices are provided with a plurality of groups, and the fastening devices are uniformly distributed on the furnace tube.

Further, the method comprises the following steps of; the insulating layer is made of an aluminum silicate fiber blanket.

Further, the method comprises the following steps of; the heat-insulating layer is made of an aluminum silicate fiber blanket with the volume weight of 130Kg/m 3.

Further, the method comprises the following steps of; the cross sections of the heat-insulating layer and the furnace shell protective layer are circular.

To sum up, the utility model discloses an useful part lies in:

1) the utility model discloses a monolithic is simplified to the individual layer inner bag, material saving reduces equipment cost.

2) The heat preservation layer of the utility model adopts the aluminum silicate fiber blanket as the heat-resistant heat preservation material, can effectively prevent the heat from escaping from the furnace shell to the outside, and reduces the energy consumption.

3) The utility model discloses a stove outer covering protective layer adopts covering material, avoids the direct and external contact of heat preservation, the problem of the damage of colliding with appears, further prevents the heat from the stove outer covering to the external world effusion simultaneously.

4) The utility model discloses construction simple to operate has avoided the welding construction of primary structure intermediate layer water course.

5) The utility model discloses do not adopt water-cooling structure, demand to the cooling water when having reduced equipment usage.

Drawings

Fig. 1 is a schematic view of the device of the present invention.

Fig. 2 is a front view of the device of the present invention.

Fig. 3 is an attached view of the device of the present invention.

Fig. 4 is a schematic sectional view of a-a in fig. 2.

Fig. 5 is an enlarged schematic view of B in fig. 4.

The labels in the figure are: the furnace shell comprises a furnace shell inner container 1, an insulating layer 2, a furnace shell protective layer 3, a fastening device 4, a gasket 41, a nut 42 and a pull rod 43.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

All directional indicators (such as upper, lower, left, right, front, rear, horizontal, vertical … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture changes, the directional indicator changes accordingly.

The first embodiment is as follows:

as shown in fig. 1-5, a furnace shell structure of a vacuum furnace comprises a furnace shell inner container 1, a heat insulating layer 2 and a furnace shell protective layer 3, wherein the heat insulating layer 2 is located between the furnace shell inner container 1 and the furnace shell protective layer 3, the furnace shell protective layer 3 is located on the outer layer of the furnace shell, and the heat insulating layer 2 is fixedly connected with the furnace shell inner container 1 and the furnace shell protective layer 3 through a fastening device 4.

As shown in fig. 4, in this embodiment, the furnace shell is composed of three layers, the furnace shell liner 1, the insulating layer 2 and the furnace shell protective layer 3 are sequentially distributed from inside to outside, and the cross sections of the insulating layer 2 and the furnace shell protective layer 3 are circular, so as to ensure the uniformity of the surface temperature of the furnace shell; the embodiment adopts the single-layer inner container, simplifies the structure, effectively saves materials and reduces the equipment cost, and the technical scheme of adopting the single-layer inner container can save 303Kg of materials by taking the furnace shell with the size specification of phi 1200mm x 1500mm as an example.

In this embodiment, the insulating layer 2 is made of an aluminum silicate fiber blanket, preferably 130Kg/m in volume weight³The aluminum silicate fiber blanket can effectively prevent heat from escaping from the furnace shell to the outside and reduce energy consumption, and takes the furnace shell with the size specification of phi 1200mm and 1500mm as an example, the heat transferred from the furnace shell to the outside through the heat-insulating layer 2 is 857w。

Stove outer covering protective layer 3 wraps up heat preservation 2, on the one hand, can avoid heat preservation 2 direct and external contact, the problem of the damage of colliding with appears, and on the other hand, the material of stove outer covering protective layer 3 adopts the covering, and the covering has temperature resistant characteristics, can further prevent the heat from the stove outer covering to the external world effusion.

Fastener 4 includes packing ring 41, nut 42 and pull rod 43, pull rod 43 is including inserting end and stiff end, the end of inserting of pull rod 43 is inserted by stove outer covering protective layer 3, run through heat preservation 2, and insert stove outer covering inner bag 1, with stove outer covering protective layer 3 through pull rod 43, heat preservation 2 and stove outer covering inner bag 1 carry out preliminary position location, pull rod 43 inserts nut 42 and packing ring 41 in proper order, packing ring 41 offsets with stove outer covering

protective layer

3, 3 surfaces of protection stove outer covering protective layer are not scotched by nut 42, drive nut 42 is with heat preservation 2 and stove outer covering

inner bag

1 and 3 fixed connection of stove outer covering, fastener 4 is provided with the multiunit, multiunit fastener 4 evenly distributed is at the boiler tube, thereby with 2 stable installations between stove outer covering inner bag 1 and stove outer covering protective layer 3 of heat preservation.

In other embodiments, the tie rods 43 may not be inserted into the furnace shell inner container 1.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. A furnace shell structure of a vacuum furnace is characterized in that: the furnace shell protection layer is positioned between the furnace shell inner container and the furnace shell protection layer, the furnace shell protection layer is positioned on the outer layer of the furnace shell, and the heat preservation layer is fixedly connected with the furnace shell inner container and the furnace shell protection layer through a fastening device.

2. The furnace shell structure of a vacuum furnace according to claim 1, wherein: the furnace shell protective layer wraps the heat-insulating layer inside.

3. The furnace shell structure of a vacuum furnace according to claim 1, wherein: the furnace shell protective layer is made of skin.

4. The furnace shell structure of a vacuum furnace according to claim 1, wherein: the fastening device comprises a gasket, a nut and a pull rod, the pull rod comprises an insertion end and a fixed end, the insertion end of the pull rod is inserted into the furnace shell protective layer, penetrates through the heat preservation layer and is inserted into the furnace shell inner container, the positions of the furnace shell protective layer, the heat preservation layer and the furnace shell inner container are positioned through the pull rod, the pull rod is sequentially inserted into the nut and the gasket, the gasket is abutted against the furnace shell protective layer, and the heat preservation layer is fixedly connected with the furnace shell inner container and the furnace shell protective layer through a driving nut.

5. The furnace shell structure of a vacuum furnace according to claim 4, wherein: the fastening devices are provided with a plurality of groups, and the fastening devices are uniformly distributed on the furnace tube.

6. The furnace shell structure of a vacuum furnace according to claim 1, wherein: the insulating layer is made of an aluminum silicate fiber blanket.

7. The furnace shell structure of a vacuum furnace according to claim 1, wherein: the heat-insulating layer is made of 130Kg/m volume weight³The aluminum silicate fiber blanket.

8. The furnace shell structure of a vacuum furnace according to claim 1, wherein: the cross sections of the heat-insulating layer and the furnace shell protective layer are circular.