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Air return circulation type coating oven water solvent coating heat recycle system and operation method

A recovery system and heat recovery technology, applied in separation methods, chemical instruments and methods, devices for coating liquid on surfaces, etc., can solve the problem of uneven operation of the coating machine, no recovery of pure water, and low efficiency of heat recovery methods and other problems, to achieve the effect of easy process management, efficient recovery, and reduced operating energy consumption

Pending Publication Date: 2019-10-18
天津市瑞通恒达环保技术有限公司
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects in the prior art that it is difficult to realize the low efficiency of the heat recovery mode, the unsteady operation of the coating machine and the high operating cost, and the pure water in the water solvent is not recovered, and to provide a return air circulation coating Heat recovery system and operation method for water solvent coating in cloth oven

Method used

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  • Air return circulation type coating oven water solvent coating heat recycle system and operation method
  • Air return circulation type coating oven water solvent coating heat recycle system and operation method
  • Air return circulation type coating oven water solvent coating heat recycle system and operation method

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with specific examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Such as Figure 1-2 As shown, the return air circulation coating oven water solvent coating heat recovery system includes a coating oven 7, a pre-cooling heat recovery system 1, a condensed solvent recovery system 2 and a storage system 4; the coating oven 7 passes through the gas pipe The road is connected to the pre-cooling heat recovery system 1, one end of the condensed solvent recovery system 2 is connected to the pre-cooling heat recovery system 1, and the other end of the condensed solvent recovery system 2 is connected to the storage system 4; The pre-cooling heat recovery system 1 and the condensed solvent recovery system 2 are all provided with a coating oven exhaust gas inlet 5 and a coating oven e...

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Abstract

The invention discloses an air return circulation type coating oven water solvent coating heat recycle system and an operation method. The system comprises a coating drying oven, a pre-cooled heat recycle system, a condensation solvent recycle system and a storage system; the coating oven is connected to the pre-cooled heat recycle system, one end of the condensation solvent recycle system is connected to the pre-cooled heat recycle system, and the other end of the condensation solvent recycle system is connected to the storage system; and the coating drying oven, the pre-cooled heat recycle system and the condensation solvent recycle system form a process gas circulation pipeline. The heat in the hot air outlet of the coating oven can be more efficiently recycled, the operation energy consumption is greatly reduced, and the pure water in the process gas is recycled.

Description

technical field [0001] The invention relates to the technical field of heat recovery in the field of lithium ion battery production, in particular to a return air circulation type coating oven water solvent coating heat recovery system and an operating method. Background technique [0002] In the production process of lithium-ion batteries, pure water is often used as a solvent for negative electrode slurry mixing (the positive electrode also tends to use water solvent), and in the subsequent coating process, H20 needs to be baked to remove. A large amount of heat energy is required in production, so the heat recovery and pure water recovery after the pole pieces are baked are problems that lithium-ion battery companies still need to solve. Most of the current recovery systems adopt a simple open technical solution of "air-gas heat exchange". Its technical route is: the exhaust gas from the coating machine process (the hot air from the coating oven, which contains a large a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D3/02B01D53/00B01D5/00
CPCB05D3/0254B01D53/002B01D5/00B01D5/0003Y02P70/10
Inventor 胡杨
Owner 天津市瑞通恒达环保技术有限公司
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