CN213514884U

CN213514884U - Electrical steel strip drying device

Info

Publication number: CN213514884U
Application number: CN202022159831.7U
Authority: CN
Inventors: 何�泽; 刘金刚; 周斌; 王兴俊
Original assignee: Sichuan Ruizhi Electrical Steel Co ltd
Current assignee: Sichuan Ruizhi Electrical Steel Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-22
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses an electrical steel strip drying device, which comprises a base and a drying cavity; the drying cavity is fixed on the base; a plurality of transmission rollers are transversely arranged in the drying cavity, and the interval between every two adjacent transmission rollers is 5cm-10 cm; a plurality of fans which are uniformly distributed are arranged on the top plate and the bottom plate of the drying cavity; a heat conducting cavity and a filtering cavity are sequentially arranged on the periphery of the drying cavity; the heat conduction cavity is separated from the filter cavity at intervals by a filter screen and is communicated with the drying cavity through a plurality of air guide openings; the filter chamber is communicated with a flue gas leading-in pipe, and a screen is arranged in the flue gas leading-in pipe. The filtering cavity and the heat conducting cavity of the utility model are annularly arranged at the periphery of the drying cavity, so that the heat preservation effect in the drying cavity can be effectively improved; except this, all install a plurality of wind-guiding mouths and fan at the top and the bottom of drying chamber, carry out hot air drying from the upper and lower two sides of silicon steel sheet, can effectively improve the drying efficiency of silicon steel sheet.

Description

Electrical steel strip drying device

Technical Field

The utility model belongs to the technical field of electrical steel drying device, concretely relates to electrical steel strip drying device.

Background

The electric steel is also called silicon steel sheet, is an important soft magnetic alloy indispensable for the industries of electric power, electronics and military, and is mainly used as iron cores of various motors, generators and transformers. The electrical steel is usually banded in production, so that the continuous operation of processes such as rolling, cleaning, heating, coating sintering and the like is facilitated, and the yield is improved. When the electrical steel is rolled by a rolling mill, various impurities such as dust, oxides, engine oil, rust preventive oil, lubricants and the like can be adhered to the surface of the electrical steel, and residues on the surface of the steel strip can not be brought into an annealing furnace for annealing coating production, because various impurities remained on the surface of the electrical steel can form carbonaceous stains in the annealing furnace, and the decarburization efficiency is influenced; and the combustion of oil stain in the furnace can cause the bottom roller to form a nodule, and the strip steel is easy to scratch, thereby directly influencing the product quality of the electrical steel. Therefore, a cleaning section is designed on the electrical steel continuous annealing line to clean residues on the surface of the steel strip and ensure that the steel strip with a clean surface becomes a qualified product after being annealed and coated.

After the silicon steel sheet is cleaned, moisture remained on the silicon steel sheet needs to be dried, the existing drying treatment mode is to adopt an electric heating mode for drying, and the silicon steel sheet is dried through the air temperature in a heating environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned among the prior art not enough, provide an electrical steel strip drying device to solve prior art and carry out the drying of silicon steel sheet with electric heating's mode, the uneven problem of being heated easily appears.

In order to achieve the purpose, the utility model adopts the technical proposal that:

an electrical steel strip drying device comprises a base and a drying cavity; the drying cavity is fixed on the base;

a plurality of transmission rollers are transversely arranged in the drying cavity, and the interval between every two adjacent transmission rollers is 5cm-10 cm; a plurality of fans which are uniformly distributed are arranged on the top plate and the bottom plate of the drying cavity; a heat conducting cavity and a filtering cavity are sequentially arranged on the periphery of the drying cavity; the heat conduction cavity is separated from the filter cavity at intervals by a filter screen and is communicated with the drying cavity through a plurality of air guide openings; the filter chamber is communicated with a flue gas leading-in pipe, and a screen is arranged in the flue gas leading-in pipe.

Preferably, the plurality of transfer rollers are all installed on the same horizontal line in the drying chamber.

Preferably, the spacing between adjacent conductive rollers is 8 cm.

Preferably, a plurality of air guide openings are uniformly formed in the top plate and the bottom plate of the heat conduction cavity.

Preferably, the heat conduction cavity and the filter cavity are arranged around the periphery of the drying cavity.

Preferably, the flue gas inlet pipe is communicated with the flue gas outlet of the annealing furnace.

Preferably, the distance between the adjacent air guide openings is 3cm-8 cm.

The utility model provides an electrical steel strip drying device has following beneficial effect:

the utility model introduces the flue gas waste heat of the annealing furnace through the flue gas introduction pipe, the waste heat flue gas is coarsely filtered through the screen mesh and enters the filter cavity, the impurities in the flue gas are removed again through the filter mesh, and the flue gas is introduced into the drying cavity through the air guide port; meanwhile, the fan is started, the flow rate of the waste heat smoke is accelerated, and the drying of the silicon steel sheet is accelerated.

The filtering cavity and the heat conducting cavity of the utility model are annularly arranged at the periphery of the drying cavity, so that the heat preservation effect in the drying cavity can be effectively improved; except this, all install a plurality of wind-guiding mouths and fan at the top and the bottom of drying chamber, carry out hot air drying from the upper and lower two sides of silicon steel sheet, can effectively improve the drying efficiency of silicon steel sheet.

Drawings

FIG. 1 is a front view of an electrical steel strip drying apparatus.

FIG. 2 is a side view of an electrical steel strip drying apparatus.

Wherein, 1, a drying cavity; 2. a heat conducting cavity; 3. a filter chamber; 4. a filter screen; 5. a flue gas introduction pipe; 6. screening a screen; 7. an inlet end; 8. an outlet end; 9. a transfer roller; 10. silicon steel sheets; 11. a fan; 12. a wind guide opening; 13. a base.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

According to one embodiment of the application, referring to fig. 1 and 2, the electric steel strip drying device of the scheme comprises a base 13 and a drying cavity 1, wherein the drying cavity 1 is fixed on the base 13.

A plurality of transmission rollers 9 are transversely arranged in the drying cavity 1, the interval between every two adjacent transmission rollers 9 is 5cm-10cm, and the interval between every two adjacent transmission rollers 9 is 8 cm.

The plurality of transmission rollers 9 are all arranged on the same horizontal line in the drying cavity 1.

After the silicon steel sheet 10 is cleaned, the silicon steel sheet enters the transfer roller 9 under the thrust force, and the transfer roller 9 further guides the silicon steel sheet 10 into the drying chamber 1. I.e. the silicon steel sheet 10 enters the drying chamber from the inlet end 7 and is led out from the outlet end 8.

All seted up a plurality of evenly distributed's fan 11 on the roof of drying chamber 1 and the bottom plate, fan 11 passes through the wire and is connected with external power supply electricity, and its control switch also is located the outside of drying chamber 1.

The periphery of drying chamber 1 installs heat conduction chamber 2 and filter chamber 3 in proper order, separates through filter screen 4 interval between heat conduction chamber 2 and the filter chamber 3, and heat conduction chamber 2 communicates with drying chamber 1 through a plurality of wind-guiding mouth 12, and filter chamber 3 communicates with flue gas inlet tube 5, sets up screen cloth 6 in the flue gas inlet tube 5.

The plurality of air guide openings 12 are uniformly arranged on the top plate and the bottom plate of the heat conduction cavity 2 and used for guiding out waste heat flue gas with a certain temperature.

The heat conduction cavity 2 and the filter cavity 3 are arranged on the periphery of the drying cavity 1 in an encircling manner, so that the heat insulation effect in the drying cavity 1 can be effectively improved, and the heat transfer between the drying cavity 1 and the external environment is reduced.

The flue gas inlet pipe 5 is communicated with a flue gas outlet of the annealing furnace and is used for guiding the waste heat flue gas into the filter cavity 3, the temperature of the waste heat flue gas discharged by the annealing furnace is 100-300 ℃, the waste heat flue gas sequentially passes through the filter cavity 3 and the heat conduction cavity 2 and enters the drying cavity 1, and drying treatment on the silicon steel sheet 10 is achieved.

The working principle of the scheme is as follows:

the waste heat flue gas of the annealing furnace is led out through a flue gas inlet pipe 5, is roughly filtered through a screen 6 and enters a filter cavity 3, impurities in the flue gas are removed again through a filter screen 4, and the flue gas is led into a drying cavity 1 through an air guide opening 12; meanwhile, the fan 11 is started to accelerate the flow rate of the waste heat flue gas, so that the silicon steel sheet 10 is dried.

When the waste heat flue gas gets into drying chamber 1, open fan 11, fan 11's the direction of blowing and silicon steel sheet 10 surface vertical, and the cooperation waste heat flue gas, the waste heat flue gas is under the effect of directional wind, and the upper surface and the lower surface of blowing to silicon steel sheet 10 with higher speed, and then accelerate the realization to silicon steel sheet 10's drying process.

While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. The utility model provides an electrical steel strip drying device which characterized in that: comprises a base and a drying cavity; the drying cavity is fixed on the base;

a plurality of transmission rollers are transversely arranged in the drying cavity, and the interval between every two adjacent transmission rollers is 5cm-10 cm; a plurality of fans which are uniformly distributed are arranged on the top plate and the bottom plate of the drying cavity; a heat conduction cavity and a filter cavity are sequentially arranged on the periphery of the drying cavity; the heat conduction cavity is separated from the filter cavity at intervals by a filter screen and is communicated with the drying cavity through a plurality of air guide openings; the filter chamber is communicated with a flue gas leading-in pipe, and a screen is arranged in the flue gas leading-in pipe.

2. The electrical steel strip drying apparatus of claim 1, wherein: and the plurality of the transmission rollers are all arranged on the same horizontal line in the drying cavity.

3. The electrical steel strip drying apparatus of claim 1, wherein: the interval between adjacent conduction roller is 8 cm.

4. The electrical steel strip drying apparatus of claim 1, wherein: the plurality of air guide openings are uniformly formed in the top plate and the bottom plate of the heat conduction cavity.

5. The electrical steel strip drying apparatus of claim 1, wherein: the heat conduction cavity and the filter cavity are both annularly arranged on the periphery of the drying cavity.

6. The electrical steel strip drying apparatus of claim 1, wherein: the flue gas inlet pipe is communicated with the flue gas outlet of the annealing furnace.

7. The electrical steel strip drying apparatus of claim 1, wherein: the distance between the adjacent air guide openings is 3cm-8 cm.