Formula for preparing cement clinker by solid waste of mixing plant and preparation method thereof

A technology of solid waste and cement clinker, applied in the field of cement clinker production, can solve the problems of lack of raw materials for cement production, unfavorable land efficient use and environmental protection, backlog of land occupation, etc., to achieve resource utilization and reduce land occupation The effect of reducing pressure and saving consumption

Inactive Publication Date: 2017-08-04
SHANDONG LUZHU GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical task of the present invention is to address the above deficiencies and provide a formula and preparation method for cement clinker made from solid waste in a mixing plant to solve the problem of a large amount of solid waste in a mixing plant occupying an area, which is not conducive to efficient land utilization and environmental protection and cement clinker production. The problem of lack of raw materials for production

Method used

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  • Formula for preparing cement clinker by solid waste of mixing plant and preparation method thereof
  • Formula for preparing cement clinker by solid waste of mixing plant and preparation method thereof
  • Formula for preparing cement clinker by solid waste of mixing plant and preparation method thereof

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Effect test

Embodiment 1

[0027] Tested on a φ4.4×66m new type dry rotary kiln rotary kiln production line.

[0028] Limestone is mined from limestone mines, CaO: 50.2%, MgO: 2.9%.

[0029] Sandstone is taken from Yiyuan natural sandstone, SiO2: 90.6%.

[0030] Iron ore beneficiation powder is produced in Dongping, Fe2O3: 17.5%.

[0031] The fly ash was taken from a thermal power plant.

[0032] The solid waste of the mixing plant is taken from the waste dump of the mixing plant.

[0033] as attached figure 1 Shown, the present invention adopts the preparation method of the method for making cement clinker with mixing plant solid waste, and this preparation method comprises the steps:

[0034] (1) Batching: transport limestone, sandstone, iron ore beneficiation powder, fly ash, and solid waste from the mixing station to the batching system, and carry out batching through a computer to obtain a mixture for use;

[0035] Wherein, the weight ratio of each raw material is shown in the following table:...

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Abstract

The invention discloses a formula for preparing cement clinker by solid waste of a mixing plant and a preparation method thereof, and belongs to the production field of cement clinker. The technical problem to be solved is that massive solid wastes in the mixing plant are accumulated to occupy the land, and not good for high-efficient land use and environment protection, and the cement production raw materials are in shortage. The technical scheme is that the formula of the cement clinker is prepared by the solid waste of the mixing plant, and the formula is formed by mixing raw materials by weight, 78.0-85.0 parts of limestone, 2.5-6.0 parts of sandstone, 3.0-5.0 parts of iron mine beneficiation powder, 2.5-7.0 parts of fly ash, and 2.0-5.5 parts of solid waste of mixing plant. The invention further discloses a preparation method of the cement clinker.

Description

technical field [0001] The invention relates to the field of cement clinker production, in particular to a formula and a preparation method for preparing cement clinker by using solid waste in a mixing station. Background technique [0002] In recent years, with the rapid development of construction projects, commercial concrete mixing stations have been widely popularized. The solid waste generated in the concrete production process, that is, the waste from washing and mixing main machines and tank trucks, is separated by sand and gravel separators into large-grained aggregates, After sedimentation in the sedimentation tank, it is transported to the storage yard for accumulation. Its components are mostly fine sand, cementitious components and stone powder. Except for some used for building backfill, most of them are stored in the open air. After years of accumulation, the solid waste of the mixing plant A large backlog of occupied land is not conducive to efficient land us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/345
CPCC04B7/345
Inventor 李兆景朱彦芹桑胜敏陶永刚常玉忠
Owner SHANDONG LUZHU GRP
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