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Preparation process of high-activity anti-condensation calcium hydroxide

A calcium hydroxide, preparation technology, applied in the direction of calcium/strontium/barium oxide/hydroxide, chemical industry, sustainable manufacturing/processing, etc., can solve the problem of general calcium hydroxide yield, high labor intensity, Problems such as large energy loss, to achieve the effect of improving structural stability, facilitating filtration and removal of impurities, and ensuring firm installation performance

Active Publication Date: 2018-11-30
叶萍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The operation process of the existing calcium hydroxide production process is semi-automatically controlled, the labor intensity is high, the energy consumption loss is large, and the yield of calcium hydroxide is average, and there is a large technical risk

Method used

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  • Preparation process of high-activity anti-condensation calcium hydroxide
  • Preparation process of high-activity anti-condensation calcium hydroxide
  • Preparation process of high-activity anti-condensation calcium hydroxide

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Embodiment Construction

[0039] A kind of preparation technology of high activity anticoagulation calcium hydroxide of the present invention comprises the following steps:

[0040] (1) High temperature calcination treatment:

[0041] First, the surface of the quicklime block is cleaned and washed to remove the soil and impurities on the surface, and then the cleaned quicklime block is transported to the calciner, and the calcium oxide stone is obtained after high-temperature calcination;

[0042] (2) Crushing and screening of calcium oxide stones:

[0043] a, the calcium oxide stone obtained in the step (1) is added in the crusher, and the calcium oxide stone is transported to the screening machine 1 by the conveying device after being crushed by the crushing device on the inner wall of the crusher;

[0044] b. The crushed calcium oxide stones are weighed by metering, quantitatively enter the screening machine 1 from the feed pipe 35, and the rotating motor 3 is started at the same time, and the rota...

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Abstract

The invention discloses a preparation process of high-activity anti-condensation calcium hydroxide. The preparation process comprises the following steps: (1) high-temperature calcination treatment; (2) crushing screening of calcium oxide stones; (3) digestion reaction; (4) filtration and dewatering treatment; (5) baking drying; (6) screening and filtration treatment. The invention provides a technical scheme of the preparation process of the high-activity anti-condensation calcium hydroxide. An integrated process production process is automatically controlled, the labor strength of workers islow, the operation security performance is also improved, and technical risks are avoided; moreover, a calcium hydroxide product prepared by adopting the preparation process has the advantages of high quality and stability, energy consumption loss during production is low, the yield of the product is high, the purity is high, the production cost is effectively reduced, and the economic benefit isimproved.

Description

technical field [0001] The invention relates to a preparation process of highly active anticoagulation calcium hydroxide. Background technique [0002] Calcium hydroxide is commonly known as slaked lime and slaked lime, which is made by digesting quicklime with water. With the rapid development of industrial modernization and the country's increasing emphasis on environmental protection, calcium hydroxide has been widely used. For example: petrochemical industry, pharmaceutical and food industry, fine chemical industry, environmental protection field, etc. Moreover, the consumption is increasing rapidly year by year, and the high-quality nano anti-coagulation calcium hydroxide is seriously unbalanced. At the same time, with the country's elimination of backward production capacity and the improvement of environmental protection requirements, indigenous production and small-scale production will gradually withdraw from the market, and the trend of shortage of supply will fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B2/10C04B2/08B07B9/00B07B1/08B07B7/083C01F11/02C01F11/16
CPCB07B1/08B07B7/083B07B9/00C01F11/02C01F11/16C04B2/08C04B2/10Y02P20/10
Inventor 叶萍
Owner 叶萍
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