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According to principles of new materials-land conservation, waste recycling, and environmental protection, solid waste has become the main raw material to be adopted to produce baking-free bricks belt type concrete batch plants, which is not only the requirements of national conditions, but also the western medicine of sustainable development, in other words, it is an inevitable trend. In spite there are various baking-free bricks and solid waste mobile concrete batching plant, basic composition of formula, which can be followed by certain regularities, is pretty much same.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:Diesel mortar mixer,concrete mixer machine price,diesel mortar mixer (for sale),If you are interested in our products, please contact us freely: sales@daswell.com   The formula of baking-free brick is generally composed of four ingredients: solid waste, binding material Ready-mixed Concrete mixing/batching plant, additive, and auxiliary materials. For coal series solid waste is generated from coal in the process of exploiting, processing, and using, they have common technical features which are shown as follows:   Coal ash: coal ash produced by alight coal is the incombustible parts in power generating boiler. Slag: slag is the ash produced by coal briquette after the carbon is burned up in the boiler of industry and life. Gangue: gangue is the effluent waste residue in the process of coal mining and coal dressing, namely, it is rock with low carbon content which can not be produced into high quality brick. The original gangue can not be used to produce baking-free bricks unless it has been calcined.