As the application of reclaimed rubber is more and more widely used, the use of reclaimed rubber to produce rubber products is becoming more and more common. Reclaimed rubber products are the energy reuse industry encouraged by the state, but it is difficult to avoid environmental supervision. What wastes will be produced in the process of producing rubber products with reclaimed rubber? How do you deal with these wastes?
In the process of regenerated rubber production, the main process of producing waste gas is two processes of rubber and vulcanization. In the process of mixing, various additives and regenerated adhesives should be added into the inlet of the mixer, so a certain amount of material and dust leakage will be produced in this process, and a large amount of waste gas will be produced in the outlet of the mixer. In addition to the smoke and water vapor, it also contains oil mixtures, including emulsified oil and emulsion, and the main pollutants in the waste gas contain dust, hydrogen sulfide, carbon disulfide, toluene, and non total hydrocarbon.
the most common vulcanizing agent used in the vulcanization process is elemental sulfur and sulfur containing compounds, so the main components produced in the vulcanization process are sulfur containing compounds, organic compounds containing oxygen, hydrocarbons and so on. Sulfurized flue gas has special odor. It is one of the main pollution sources of reclaimed rubber products in the production process.
The chemical components of sulfurized flue gas are very complicated, and the compositions of different kinds of rubber compounding agents (i.e. different formulations) are also changing. It can be divided into 5 categories:
1, sulfur compounds: such as H2S, SO2 and mercaptan.
2. Dust categories: carbon black, white carbon black, white additives, etc.
3, containing chlorinated compounds, such as amides and indoles;
4, hydrocarbons: such as alkanes, olefins, hydrocarbons and aromatic hydrocarbons.
5. Oxygenated organic compounds, such as alcohols, phenols, aldehydes, ketones, organic acids, etc.
Inorganic substances include H2S, SO2, carbon black and so on. Most of the malodorous gases produce organic matter. These substances are harmful to the health of the human body. The pollution factors of waste gas are mainly industrial dust, odor and other pollutants. Although the pollution intensity is small, the emission of waste gas is large and the pollution components are complex and changeable. Especially, the odor components in the waste gas have caused certain pollution to the environment and the environment of the factory area, and the phenomenon of disturbing people is difficult to avoid.
How to solve these problems from the formula, technology and equipment of reclaimed rubber products?Reference scheme:
1. Try to use masterbatch or additive to granulation.
2, automatic fine batching system, effective weighing to avoid dust pollution;
3. Replace the traditional bucket mixer with falling mixer.
4. The mixing workshop is listed separately, and dust removal equipment is used for dust removal.
5, reduce the amount of material with low melting point and volatile substance in vulcanization system.
6, control the moisture and organic volatilization of raw materials;
7, reduce the vulcanization temperature and reduce volatile components.
8, using environmental protection equipment to deal with toxic and harmful substances, commonly used activated carbon adsorption and catalytic combustion method.
The environmental protection tire regenerated adhesive conforms to the EU environmental protection quality system certification. It is used in the production process of regenerated rubber products without pollution, radiation and infiltration. It is in line with environmental inspection standards. It is the best rubber raw material for the production of export rubber products. It can significantly reduce the cost of raw materials. It is a good choice for rubber products manufacturers.
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