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Process for producing dry powder mortar gelling agent by using acetylene sludge

A dry powder mortar and production process technology, applied in cement production and other directions, can solve the problems of poor quality of lime, high rate of raw overburning, volume of blasting ash, etc., and achieve the effects of rational utilization, simple production process and broad market prospects.

Inactive Publication Date: 2012-07-04
王红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the poor quality of lime in our country and the high rate of raw overburning, dust explosion and volume instability often occur during use.

Method used

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  • Process for producing dry powder mortar gelling agent by using acetylene sludge
  • Process for producing dry powder mortar gelling agent by using acetylene sludge
  • Process for producing dry powder mortar gelling agent by using acetylene sludge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 The hot flue gas production process flow chart shown above shows that the hot flue gas comes from the calciner, specifically: the project adopts a two-stage gas generator, and the gas produced is subjected to cyclone dust removal and electric tar capture, then enters the water washing tower and is washed with water. , into the calciner in the production workshop to provide hot flue gas for the production of the dry powder mortar gelling agent in this embodiment. The project uses coal mixed with calcium carbide slag for desulfurization, the calcium-sulfur ratio (weight) is 1:5, and the desulfurization efficiency is about 60%.

[0024] Such as figure 2 The production process flow chart of using calcium carbide slag to prepare dry powder mortar gelling agent is shown: because the carbide slag contains a large amount of impurities, the particle size distribution of the impurities is wide, and it is not easy to separate. Before the carbide slag enters the ...

Embodiment 2

[0026] The material after the secondary cooling is sent into the mixer through the conveying device, and after being evenly mixed with the additive in a weight ratio of 1:3, it is the finished product of the dry powder mortar gelling agent, wherein the additive in this embodiment is fly ash / slag / The composition of zeolite powder, in the composition, fly ash: slag: zeolite powder=1: 1: 1 (weight ratio);

Embodiment 3

[0028] The material after the secondary cooling is sent into the mixer through the conveying device, and after being uniformly mixed with the additive at a weight ratio of 1:5, it is the finished product of the dry powder mortar gelling agent, wherein the additive in this embodiment is fly ash / slag / The composition of zeolite powder, in the composition, fly ash: slag: zeolite powder=2: 1: 2 (weight ratio);

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Abstract

The invention belongs to the technical field of application of acetylene sludge, also belongs to the technical field of production technology of dry powder mortar gelating agents at the same time, and particularly discloses production technology for preparing a dry powder mortar gelating agent by utilizing the acetylene sludge. The production technology comprises the following steps that: an acetylene sludge material is subjected to screening for impurity removal and drying first; the dried material is sent for calcination after the separation and collection; and the calcined material is cooled and separated and collected, then the material and an additive are mixed evenly according to the weight ratio of 1: 1-5, thus a finished product of the dry powder mortar gelating agent can be obtained, wherein the additive is one of pulverized fuel ash, mine refuse, and zeolite powder or a composition thereof. The production technology is simple and changes waste into valuables; and the production technology has no overburning, so the prepared dry powder mortar gelating agent has no late expansion and has good volume stability when being used for mortar, and has broad market prospect.

Description

technical field [0001] The invention belongs to the technical field of application of calcium carbide slag, and at the same time belongs to the technical field of production technology of dry powder mortar gelling agent, and specifically relates to a production technology of using calcium carbide slag to prepare dry powder mortar gelling agent. Background technique [0002] In the production process of polyvinyl chloride (PVC), hundreds of thousands of tons of industrial waste -- calcium carbide slag is produced every year. Except for some used in construction, most of the rest are piled up in the open air. Carbide slag contains strong alkaline substance Ca(OH) 2 , Long-term stacking will undoubtedly cause certain pollution to soil and groundwater. For a long time, this waste has not been effectively utilized and treated, which has caused environmental pollution and wasted resources. [0003] Construction mortar is a building material with a large amount of use and a wide ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/14
CPCY02P40/10
Inventor 王红李鹏朱桐新郭海龙王新生
Owner 王红
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