Special waste gas filtering tool for preparing green starch packaging membrane

Abstract

The invention discloses a special waste gas filtering tool for preparing a green starch packaging membrane. A filtering tool shell is of an unfilled corner cube structure; an air inlet is formed in the bottom on one side of the filtering tool shell; an air outlet is formed in the top of the other side of the filtering tool shell; both the air inlet and the air outlet are formed in an inclined manner; support feet are arranged at the bottom of the filtering tool shell; four filtering nets are arranged inside the filtering tool shell, namely a first filtering net, a second filtering net, a thirdfiltering net and a fourth filtering net in sequence from the air inlet to the air outlet; the four filtering nets are arranged in the filtering tool in the inclined manner; the four filtering nets are parallel to one another; and an included angle A of 45 degrees is formed between one of the four filtering nets and the bottom surface inside the filtering tool shell. Due to adoption of multiple different filtering layers, the tool is capable of effectively filtering granules in waste gases, and the granules are prevented from entering the atmosphere to cause dust pollution.

Description

technical field [0001] The invention relates to a waste gas treatment tool, in particular to a special waste gas filtering tool for the preparation of green starch packaging film. Background technique [0002] Synthetic films are generally plastic polymers. The production process and product waste will cause huge damage to the natural ecological environment, and the raw materials used to produce such films are petroleum products, which are non-renewable resources. Compared with artificially synthesized polymer films, natural plant starch as a packaging film material has the advantages of non-toxic, harmless, green and environmentally friendly, and biodegradable. However, in the process of producing starch packaging film, since plant starch needs to be crushed and mixed with other reactants, the exhaust gas generated during the production process will be mixed with dust particles. If it is directly discharged into the atmosphere, it will cause air pollution. Therefore, The r...

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Problems solved by technology

However, in the process of producing starch packaging film, since plant starch needs to be crushed and mixed with other reactants, the exhaust gas generated during the production process will be mixed with dust particles. If it is directly discharged into the atmosphere, it will cause air pollution. Therefore, Research and development on the recycling of waste gas produced by the preparation of green starch packaging films has attracted more and more people's attention

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