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Concrete prepared from waste slurry of concrete mixing plant

A technology for concrete and mixing plants, applied in the field of concrete, can solve problems such as cracking, poor penetration resistance, and short concrete setting time, and achieve the effects of reducing pollution, high pressure resistance, and alleviating water shortages

Inactive Publication Date: 2020-09-25
南宁市嘉大混凝土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If it is used or mixed improperly, the prepared concrete is prone to problems such as short setting time, cracking, and poor penetration resistance.

Method used

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  • Concrete prepared from waste slurry of concrete mixing plant
  • Concrete prepared from waste slurry of concrete mixing plant
  • Concrete prepared from waste slurry of concrete mixing plant

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Embodiment Construction

[0013] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0014] A concrete prepared by using waste slurry from a concrete mixing plant, which is composed of the following raw materials in parts by weight: 180-350 parts of cement, 120-190 parts of mineral powder, 50-100 parts of coal ash, 820-1520 parts of aggregate, clean water (tap water) 95 to 150 parts, 10 to 50 parts of waste pulp water with a solid content of 4 to 10%; 8 to 18 parts of admixture. Among them, the cement is Runfeng p.o42.5, the mineral powder is S95 grade minera...

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Abstract

The invention discloses concrete prepared from waste slurry of a concrete mixing plant. The concrete is characterized by being prepared from the following raw materials in parts by weight: 180 to 350parts of cement, 120 to 190 parts of mineral powder, 50 to 100 parts of coal ash, 820 to 1520 parts of aggregate, 95 to 150 parts of clear water and 10 to 50 parts of waste slurry water with the solidcontent of 4 to 10 percent, 8-18 parts of admixture. The concrete prepared from the raw materials in proportion can reach the grade of C50-C60, and has the characteristics of good fluidity, high density, high pressure resistance and the like.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to concrete prepared by using waste slurry from a concrete mixing plant. Background technique [0002] After the mixing station produces concrete, tap water is generally used to wash the mixing equipment and mixer trucks. The waste water produced not only contains incompletely hydrated cement, unhydrated admixtures, clay, fine sand and other granular solids , but also contains many hydration ions, such as Ca 2+ , OH - etc. Admixtures, etc. will also remain. If it is used or mixed improperly, the prepared concrete is prone to problems such as short setting time, cracking, and poor penetration resistance. Contents of the invention [0003] The object of the present invention is to provide a kind of concrete prepared by using the waste slurry of concrete mixing plant, so as to solve the problems existing in the prior art. [0004] In order to achieve the above purpose, the techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B24/26C04B22/00C08F283/06C08F220/06C08F226/10C08F220/20C08F220/18
CPCC04B22/0046C04B24/2694C04B28/04C04B2201/52C08F283/065C04B18/12C04B18/08C04B14/02C04B2103/302C08F220/06C08F226/10C08F220/20C08F220/1806
Inventor 王育宏赖永德黄源奎
Owner 南宁市嘉大混凝土有限公司
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