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Cast ceramsites as well as manufacture method and application thereof

A technology of ceramsite and granules, which is applied in the direction of casting molding equipment, casting molds, manufacturing tools, etc., can solve the problems of increasing casting costs, high energy consumption, and increasing costs, so as to reduce production costs, make environmental protection easier, and benefit costs Effect

Active Publication Date: 2017-11-07
HANDAN SHENGHUO CERAMIC PROPPANT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] At the same time, with the increasingly serious environmental protection problems, the treatment of pollutants generated in production has also greatly increased the cost of enterprises.
However, on the one hand, the raw material used in the preparation of pearl sand is high-quality high-alumina bauxite, which requires a large amount of ore mining and screening; on the other hand, the preparation process of pearl sand is also a high-pollution, high-energy-consuming process
Therefore, whether it is the mining of ore raw materials in the early stage or the preparation of pearl sand, a large amount of pollution that is difficult to control will be generated, which will cause the production cost of pearl sand to remain high and indirectly increase the cost of casting

Method used

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  • Cast ceramsites as well as manufacture method and application thereof
  • Cast ceramsites as well as manufacture method and application thereof

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preparation example Construction

[0037] The preparation method of casting ceramsite of the present invention can specifically refer to as follows:

[0038] (a) Take an appropriate amount of bauxite clinker, kaolin and bauxite, and pulverize; preferably, take bauxite third-grade clinker, kaolin and third-grade bauxite respectively;

[0039] (b) according to the ratio of raw materials as mentioned above, take appropriate amount of pulverized bauxite clinker, kaolin, and bauxite as raw materials respectively, and mix and homogenize;

[0040] Preferably, in the present invention, cast ceramsite is continuously produced in multiple batches, therefore, in the present invention, the mixing and homogenization is to mix the raw materials mixed in multiple batches and stand still, and then grind, so as to carry out mixing and homogenization. change;

[0041] (c) Grinding the homogenized mixed raw materials, preferably, the grinding is multiple times of grinding, for example, 2, 3 or more times of grinding; then perfor...

Embodiment 1

[0051] (1) Take an appropriate amount of bauxite third-grade clinker, kaolin and third-grade bauxite respectively, and pulverize;

[0052] (2) According to the percentage by weight: 25% of bauxite third-grade clinker, 25% of kaolin and 50% of third-grade bauxite, respectively weigh the appropriate amount of pulverized bauxite third-grade clinker, kaolin and third-grade bauxite soil, and mix and homogenize;

[0053] (3) After grinding the mixed raw material after mixing and homogenizing, carry out heavy rot homogenization;

[0054] (4) After atomizing the water, mix it with the mixed raw material after sinking and rot homogenization, agglomerate and granulate during rotation, then sieve and dry the prepared particles, and perform surface polishing treatment, and then surface treatment Homogenization of particle storage;

[0055] Wherein, the mass gram of water used for atomization is 15% of the mass gram of the mixed raw material after heavy rot homogenization;

[0056] (5) ...

Embodiment 2

[0058] (1) Take an appropriate amount of bauxite grade 4 clinker, kaolin and grade 3 bauxite respectively and pulverize them;

[0059] (2) According to percentage by weight: 25% of bauxite grade 4 clinker, 25% of kaolin and 50% of grade 3 bauxite, respectively weigh the bauxite grade 4 clinker, kaolin and grade 3 bauxite after appropriate amount of crushing soil, and mix and homogenize;

[0060] (3) After grinding the mixed raw material after mixing and homogenizing, carry out heavy rot homogenization;

[0061] (4) After atomizing the water, mix it with the mixed raw material after sinking and rot homogenization, agglomerate and granulate during rotation, then sieve and dry the prepared particles, and perform surface polishing treatment, and then surface treatment Homogenization of particle storage;

[0062] Wherein, the mass gram of water used for atomization is 15% of the mass gram of the mixed raw material after heavy rot homogenization;

[0063] (5) The stored and homog...

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Abstract

The invention provides cast ceramsites as well as a manufacture method and application thereof. In the method, bauxite clinker, kaolin and bauxite are used as raw materials; not only are the raw materials easy and convenient to obtain, but also a preparation process is simple, the energy consumption is low, the production efficiency is high and environmental protection treatment on production wastes is easy, so that the cost can be effectively reduced. At the same time, the cast ceramsites disclosed by the invention have high refractoriness, high strength, low thermal expansion coefficient and high repetitive utilization rate, not only meet the requirement of casting, but also can effectively reduce the casting cost.

Description

technical field [0001] The invention relates to the technical field of casting, in particular to casting ceramsite and its preparation method and application. Background technique [0002] Foundry sand is a granular refractory material used to prepare sand molds and core sand in foundry production. If clay is used as the sand binder, about 1 ton of new foundry sand needs to be added for every ton of qualified castings produced, so the amount of foundry sand used in sand casting production is the largest. [0003] Foundry sand can be divided into silica sand and non-siliceous sand according to the mineral composition. There are many types of non-siliceous sand with different uses, such as: ① Limestone sand: It is made of crushed limestone, and the main mineral composition is CaCO 3 , for molding sand and core sand of steel castings; ②magnesia: the main mineral composition is MgO, used for surface sand and core sand of high manganese steel castings, and its powder can be use...

Claims

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Application Information

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IPC IPC(8): C04B35/101C04B35/622B22C1/00
CPCB22C1/00C04B35/101C04B35/622C04B2235/349C04B2235/656C04B2235/6567C04B2235/96
Inventor 安丽丽王景硕许丽芳李维鹏
Owner HANDAN SHENGHUO CERAMIC PROPPANT CO LTD
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