CN-224230494-U - Explosion-proof electromagnetic wave radiation drying device

Abstract

The utility model discloses an explosion-proof electromagnetic wave radiation drying device which comprises a box body formed by reflecting plates, wherein a sealing plate is arranged at the top of the box body, a heated target is arranged at the bottom of the box body, a window is arranged on the sealing plate, a double-layer glass heat insulation box is embedded in the window, an electromagnetic wave radiation source is arranged in the double-layer vacuum glass heat insulation box, and the electromagnetic wave radiation source is used for generating electromagnetic wave radiation, and the reflecting plates are used for receiving the electromagnetic wave radiation and reflecting the radiation. The utility model improves the safety performance of the radiation drying device, has high drying efficiency, and can realize uniform radiation target surface intensity distribution.

Inventors

• XIONG DAXI
• WANG HAIYANG
• YANG FEI

Assignees

• 苏州科医光健康医疗科技有限公司

Dates

Publication Date

20260512

Application Date

20231214

Claims (8)

1. 1. An explosion-proof electromagnetic wave radiation drying device is characterized by comprising a box body formed by a reflecting plate (3), wherein a sealing plate (4) is arranged at the top of the box body, and a heated target (6) is arranged at the bottom of the box body; A window (5) is formed in the sealing plate (4), and a double-layer glass heat insulation box (2) is embedded in the window (5), wherein the electromagnetic wave radiation source (1) is arranged in the double-layer glass heat insulation box (2); the electromagnetic wave radiation source (1) is used for generating electromagnetic wave radiation, and the reflecting plate (3) receives the electromagnetic wave radiation and reflects the radiation.
2. 2. The explosion-proof type electromagnetic wave radiation drying apparatus according to claim 1, wherein the electromagnetic wave radiation is ultraviolet, visible light, or infrared radiation.
3. 3. The explosion-proof electromagnetic wave radiation drying device according to claim 1 or 2, wherein the double-layer glass heat insulation box (2) adopts double-layer glass, and comprises inner-layer glass (21), outer-layer glass (22) and a double-layer glass cavity (23), wherein a heat insulation medium is filled in the double-layer glass cavity (23), and the filling vacuum degree is 0-1 atm.
4. 4. An explosion-proof type electromagnetic wave radiation drying apparatus according to claim 3, wherein the electromagnetic wave emitting side of the double-layer glass heat insulation box (2) faces the inside of the box body, and the electromagnetic wave emitting side is sealed with double-layer glass to spatially isolate the electromagnetic wave radiation source (1) from the object to be dried.
5. 5. An explosion-proof type electromagnetic wave radiation drying apparatus according to claim 3, wherein the double-layer glass heat insulation box (2) has an air circulation passage for radiating the electromagnetic wave radiation source (1).
6. 6. An explosion-proof type electromagnetic wave radiation drying device according to claim 3, wherein a radiation source bracket is arranged in the double-layer glass heat insulation box (2), and the electromagnetic wave radiation source (1) is arranged on the radiation source bracket.
7. 7. An explosion-proof type electromagnetic wave radiation drying apparatus according to claim 3, wherein a gap (7) is provided between the top of the case formed by the reflecting plate (3) and the sealing plate (4), and the gap (7) is used for discharging the steam generated by drying from the inside of the case.
8. 8. An explosion-proof type electromagnetic wave radiation drying apparatus as claimed in claim 3, wherein the number of the electromagnetic wave radiation sources (1) is 1 or more.

Description

Explosion-proof electromagnetic wave radiation drying device Technical Field The utility model relates to the technical field of drying equipment, in particular to an explosion-proof electromagnetic wave radiation drying device. Background The lithium battery is a battery which stores and releases electric energy by utilizing the back and forth movement of lithium ions between the anode and the cathode, has the advantages of high energy density, long service life, low self-discharge rate, environmental protection and the like, and is widely applied to the fields of electronic products, electric vehicles, energy storage and the like. NMP (N-methyl pyrrolidone) material is used in the production process of the positive electrode plate of the lithium battery, and NMP is a polar solvent with strong selectivity and good stability, has the characteristics of high boiling point, strong dissolving power, good stability, biodegradability, recycling property and the like, and is widely applied to industries of lithium batteries, high polymer materials, electrons, cleaning agents, medicines, pesticides, pigments and the like, wherein the application standard of NMP in the lithium battery industry is the largest. Because of the risk of explosion of NMP mixed with air, when drying the pole piece using an electromagnetic wave radiation source, explosion may occur once the temperature of the electromagnetic wave radiation source exceeds the NMP ignition point, and thus a solution for drying the pole piece using the electromagnetic wave radiation source is required. Disclosure of utility model The utility model aims to provide an explosion-proof electromagnetic wave radiation drying device which has high safety, high drying efficiency and uniform radiation target surface strength. The technical scheme for realizing the aim of the utility model is that the explosion-proof electromagnetic wave radiation drying device comprises a box body formed by reflecting plates, wherein a sealing plate is arranged at the top of the box body, and a heated target is arranged at the bottom of the box body; The sealing plate is provided with a window, and a double-layer glass heat insulation box is embedded in the window; the electromagnetic wave radiation source is used for generating electromagnetic wave radiation, and the reflecting plate receives the electromagnetic wave radiation and reflects the radiation. Further, the electromagnetic wave radiation is ultraviolet, visible light, or infrared radiation. Further, the double-layer glass heat insulation box adopts double-layer glass, and comprises inner-layer glass, outer-layer glass and a double-layer glass cavity, wherein heat insulation medium is filled in the double-layer glass cavity, and the filling vacuum degree is 0-1 atm. Further, the electromagnetic wave emitting side of the double-layer glass heat insulation box faces the inside of the box body, and the electromagnetic wave emitting side is sealed by double-layer glass, so that the electromagnetic wave radiation source is spatially isolated from the target to be dried. Further, the double-layer glass heat insulation box has an air circulation passage for radiating the electromagnetic wave radiation source. Further, a radiation source bracket is arranged in the double-layer glass heat insulation box, and an electromagnetic wave radiation source is arranged on the radiation source bracket. Further, a gap is arranged between the top of the box body formed by the reflecting plate and the sealing plate, and the gap is used for discharging steam generated by drying from the box body. Further, the number of the electromagnetic wave radiation sources is 1 or more. Compared with the prior art, the utility model has the remarkable advantages that (1) the radiation source and the target are isolated through the double-layer vacuum glass heat insulation sealing box, the temperature of the outer surface of the double-layer glass heat insulation box is far lower than the ignition point of the target, the safety performance of the drying device is improved, (2) the electromagnetic wave radiation source is adopted for drying, the drying efficiency is high, and (3) the reflecting plate is adopted to realize uniform radiation target surface intensity distribution. Drawings Fig. 1 is a schematic structural view of an explosion-proof type electromagnetic wave radiation drying apparatus of the present utility model. Fig. 2 is an exploded view of the structure of the explosion-proof type electromagnetic wave radiation drying apparatus of the present utility model. Fig. 3 is a schematic view showing the structure of a sealing plate and a double glass heat insulating box according to the present utility model. Fig. 4 is a schematic diagram of the evaporation channels when drying is performed. Fig. 5 is a schematic diagram of an evaporation channel and an air flow heat dissipation channel of an electromagnetic wave radiation source. FIG. 6 is a graph sh