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A kind of phosphogypsum solid waste regenerated energy-saving green environmental protection material coagulant and preparation method thereof

An energy-saving, environmentally-friendly and green technology, applied in cement production, household refrigeration devices, lighting and heating equipment, etc., can solve the problem that building materials are difficult to achieve efficient use value, and building materials are difficult to meet green development. Lightweight, environmentally friendly and energy-saving wall materials High-efficiency and high-quality use requirements, difficulty in realizing the inherent properties of semi-gas-hard materials of gypsum products, etc., to achieve the effect of increasing suspension time, improving blowing efficiency, and increasing efficiency

Active Publication Date: 2020-11-03
HUBEI JUHAI ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to make up for the deficiencies in the prior art, the present invention proposes a coagulant for phosphogypsum solid waste regeneration, energy-saving and environmental protection wall materials and its preparation method. The inherent properties of air-hard or semi-air-hard materials; thus, it is difficult for the processed building materials to meet the requirements of light, environmentally friendly, energy-saving, high-efficiency and high-quality use of green development wall materials, making it difficult for building materials to achieve high-efficiency utilization values

Method used

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  • A kind of phosphogypsum solid waste regenerated energy-saving green environmental protection material coagulant and preparation method thereof
  • A kind of phosphogypsum solid waste regenerated energy-saving green environmental protection material coagulant and preparation method thereof
  • A kind of phosphogypsum solid waste regenerated energy-saving green environmental protection material coagulant and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: A coagulant for recycled green, energy-saving and environment-friendly materials, the coagulant is made of the following specific gravity raw materials: 40-70% of phosphogypsum; 15-20% of limestone; 5-10% of slag; 3-5% of bentonite; Exciting agent 1%;

[0040] And the above-mentioned specific gravity raw materials are prepared by the preparation method of the regenerated green energy-saving and environmental protection material coagulant, and the sum of the above-mentioned component percentages is equal to 100%; the preparation method includes the following steps:

[0041] S1, crushing the limestone to obtain limestone powder, and at the same time initially removing impurities and dehydrating the phosphogypsum to obtain phosphogypsum powder;

[0042] S2. Put the limestone powder and phosphogypsum powder obtained in S1 into a rotary furnace for calcination according to the corresponding ratio. The calcination temperature is 1000-1100° C., and the calcinatio...

Embodiment 2

[0047] Embodiment 2: A coagulant for regenerated green, energy-saving and environment-friendly materials, the coagulant is made of the following specific gravity raw materials: 40-70% of phosphogypsum; 15-20% of limestone; 5-10% of slag; 3-5% of bentonite; Stimulator 2%;

[0048] And the above-mentioned specific gravity raw materials are prepared by the preparation method of the regenerated green energy-saving and environmental protection material coagulant, and the sum of the above-mentioned component percentages is equal to 100%; the preparation method includes the following steps:

[0049] S1, crushing the limestone to obtain limestone powder, and at the same time initially removing impurities and dehydrating the phosphogypsum to obtain phosphogypsum powder;

[0050] S2. Put the limestone powder and phosphogypsum powder obtained in S1 into a rotary furnace for calcination according to the corresponding ratio. The calcination temperature is 1000-1100° C., and the calcination...

Embodiment 3

[0055] Embodiment 3: A coagulant for regenerated green, energy-saving and environment-friendly materials, the coagulant is made of the following specific gravity raw materials: 40-70% of phosphogypsum; 15-20% of limestone; 5-10% of slag; 3-5% of bentonite; Stimulator 3%;

[0056] And the above-mentioned specific gravity raw materials are prepared by the preparation method of the regenerated green energy-saving and environmental protection material coagulant, and the sum of the above-mentioned component percentages is equal to 100%; the preparation method includes the following steps:

[0057] S1, crushing the limestone to obtain limestone powder, and at the same time initially removing impurities and dehydrating the phosphogypsum to obtain phosphogypsum powder;

[0058] S2. Put the limestone powder and phosphogypsum powder obtained in S1 into a rotary furnace for calcination according to the corresponding ratio. The calcination temperature is 1000-1100° C., and the calcination...

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Abstract

The invention belongs to the technical field of ardealite solid waste recycling, and particularly relates to an ardealite solid waste regenerated energy-saving green environment-friendly material coagulant and a preparation method thereof. A powder cooler used in the preparation method includes a cylindrical body; a blanking pipe is communicated below the body, and one side of the blanking pipe iscommunicated with an air blower through an air inlet pipe; feeding hoppers are arranged on the two sides of the upper portion of the body and are communicated with the interior of the body through blanking holes; an air outlet pipe is arranged at the top of the body and is communicated with an air inlet pipe of a rotary furnace. The air outlet pipe is communicated with the air inlet pipe of the rotary furnace, air in the body is continuously extracted from the air inlet pipe under the action of heat convection in the rotary furnace, and then the circulation efficiency of normal-temperature air in the body is improved, so that the blast capacity of the air blower is reduced, the power consumption of the air blower is reduced, and the cooling efficiency of the powder cooler is improved.

Description

technical field [0001] The invention belongs to the technical field of regeneration and utilization of phosphogypsum solid waste, in particular to a coagulant for regeneration of phosphogypsum solid waste, an energy-saving green environmental protection material and a preparation method thereof. Background technique [0002] Phosphogypsum is an industrial by-product of phosphoric acid produced by wet process in phosphorus chemical enterprises. Its main component is CaSO4·2H2O. about tons of phosphogypsum waste. At present, the waste of a large amount of phosphogypsum waste has caused serious ecological hazards, so the resource utilization and disposal of this phosphogypsum is imminent. The invention of this technology aims to convert phosphorus Solid waste such as gypsum forms a coagulant that meets the requirements of national standards for green, environmentally friendly, building energy-saving building materials, and implements green recycling of phosphogypsum waste. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/21C04B7/36F25D31/00
CPCC04B7/1535C04B7/21C04B7/36F25D31/00Y02P40/10
Inventor 刘志浩
Owner HUBEI JUHAI ENVIRONMENTAL TECH CO LTD
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