Baking-free cylindrical attapulgite river bottom mud ceramisites
A technology of silt ceramsite and attapulgite, which is applied in the field of ceramsite, can solve problems such as threats to people's property and life safety in surrounding areas, and potential safety hazards in tailings ponds, and achieve the effects of improving resource utilization, high yield, and large output
Active Publication Date: 2013-04-17
新建特阔漂整(南通)有限公司
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[0023] Below in conjunction with embodiment the present invention will be further described:
[0024] 1. The ingredients of non-burning cylindrical attapulgite river bottom silt ceramsite are composed of the following components by weight percentage: high-viscosity attapulgite clay powder 3%, attapulgite clay tailings powder 18%, bentonite tailings powder 10% , river bottom silt 50%, cement 15% and expanded perlite powder 4%.
[0025] 2. The production method of non-burning cylindrical attapulgite river bottom silt ceramsite: (1) Add the ingredients of non-burning cylindrical attapulgite river bottom silt ceramsite into the mixer and mix them, then input them into the extrusion granulator for granulation, and the particle diameter is controlled 10 mm, the particle length is controlled at 25-30 mm; (2) transport the granulated particles to the concrete curing room for routine curing of cement products for 28 days, and pack them into non-burning cylindrical attapulgite river bot...
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Abstract
The invention discloses baking-free cylindrical attapulgite river bottom mud ceramisites. The main point of the technical scheme is that: the baking-free cylindrical attapulgite river bottom mud ceramisites comprise high viscosity attapulgite clay powder, attapulgite clay tailing powder, bentonite tailing powder, river bottom mud, cement and expanded perlite powder. The components of the baking-free cylindrical attapulgite river bottom mud ceramisites are subjected to mixing, pelletizing, curing, screening and packaging to obtain the baking-free cylindrical attapulgite river bottom mud ceramisites. The baking-free cylindrical attapulgite river bottom mud ceramisites have characteristics of cylindrical structure, rough and hard skin, and tiny gas holes in the internal, and are the buildingceramisites with characteristics of high strength, low thermal conduction coefficient, good chemical stability, good durability, good thermal insulation, and good sound insulation. The river bottom mud and the tailings are comprehensively utilized to produce the baking-free cylindrical attapulgite river bottom mud ceramisites, such that the resource utilization rate is improved, the waste is changed into the treasure, and the environment is protected. In addition, the baking-free cylindrical attapulgite river bottom mud ceramisites are suitable for productions of ceramisite concrete, and thermal insulation and sound insulation materials.
Description
technical field [0001] The invention relates to ceramsite, in particular to an unfired cylindrical attapulgite river bottom silt ceramsite. Background technique [0002] The amount of dredged river bottom silt produced by dredging projects adopted to control the deterioration of landscape water quality in my country is increasing day by day. Since the water content of river bottom silt is greater than 75%, its composition is complex and prone to secondary pollution. Improper disposal will cause extremely adverse effects on the environment Therefore, the treatment and disposal of dredged river bottom silt has become a common concern. [0003] The plasticity of river bottom silt is good, which is conducive to the production of attapulgite river bottom silt ceramsite, but the water content of river bottom silt is relatively high. Usually, the method of reducing the water content of river bottom silt is to concentrate and dry, which consumes a lot of energy. , directly affects t...
Claims
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IPC IPC(8): C04B28/00C04B18/30
CPCY02W30/91
Inventor 许庆华金白云徐志伟许盛英
Owner 新建特阔漂整(南通)有限公司