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A method of making ceramsite board with phosphogypsum and cow dung

A technology of phosphogypsum and ceramsite board, which is applied in the direction of building components, buildings, building materials, etc., can solve the problems of low strength, poor seismic performance, poor sound insulation effect, etc., and achieve high compressive strength, good seismic performance and fire resistance strong effect

Active Publication Date: 2019-11-08
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a method for making ceramsite boards with phosphogypsum and cow dung, which is used to solve the problems of weight, low strength, flammability, no heat preservation, poor waterproof performance and poor seismic performance of commonly used lightweight partition boards , poor sound insulation, difficult construction, and high cost, using sludge and cow dung to turn waste into treasure, low production cost, and protect resources and the environment

Method used

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  • A method of making ceramsite board with phosphogypsum and cow dung

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Embodiment 1

[0018] Embodiment 1: a kind of method of making ceramsite board with phosphogypsum and cow dung, the concrete steps of described method are:

[0019] The first step, making ceramsite: add auxiliary material cow dung to the main material bentonite to form a material, the material includes bentonite, cow dung, bentonite and cow dung are mixed in a ratio of 4:1 by weight; the cow dung is mixed at 105 Dry at ℃, then pulverize with a pulverizer, and then use a sieve to screen out cow dung with a particle size of 100 mesh. The mixed material is pressed into a powder tablet press with a molding pressure of 7.0Mpa and a holding time of 30s. Form a cylinder with a diameter of 30mm and a height of 10mm, put the pressed material in a crucible, then move it into a muffle furnace, dry and puff it at a temperature of 350°C for 20min, and then raise the temperature of the muffle furnace to 1200°C, Swell the dried and puffed material at a constant temperature for 15 minutes, and naturally coo...

Embodiment 2

[0027] Embodiment 2: a kind of method of making ceramsite board with phosphogypsum and cow dung, the concrete steps of described method are:

[0028] The first step, making ceramsite: add auxiliary material cow dung to the main material bentonite to form a material, the material includes bentonite, cow dung, bentonite and cow dung are mixed in a ratio of 4:1 by weight; the cow dung is mixed at 105 Dry at ℃, then pulverize with a pulverizer, and then use a sieve to screen out cow dung with a particle size of 100 mesh. The mixed material is pressed into a powder tablet press with a molding pressure of 7.0Mpa and a holding time of 30s. Form a cylinder with a diameter of 30mm and a height of 10mm, put the pressed material in a crucible, then move it into a muffle furnace, dry and puff it at a temperature of 350°C for 20min, and then raise the temperature of the muffle furnace to 1200°C, Swell the dried and puffed material at a constant temperature for 15 minutes, and naturally coo...

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Abstract

The invention relates to a method for preparing a ceramsite plate from phosphogypsum and cow dung, and belongs to the technical field of manufacturing of the ceramsite plate. The method comprises the following steps: manufacturing ceramsite, processing the phosphogypsum, stirring, tamping and forming, plastering, and maintaining; and the ceramsite plate is prepared from a light aggregate concrete. The light aggregate concrete is a lightweight concrete prepared from the phosphogypsum, sludge and the ceramsite, and the mixing ratio of the phosphogypsum to the sludge to the ceramsite is 1:2:3 or 2:2:3. The prepared ceramsite plate is light in self-weight, high in strength, strong in fire resistance, good in thermal insulating property, watertightness and anti-seismic property, high in compressive strength and better in sound insulation, and is easy to construct.

Description

technical field [0001] The invention relates to a method for making a ceramsite board by using phosphogypsum and cow dung, and belongs to the technical field of ceramsite board production. Background technique [0002] In recent years, my country's urban high-rise buildings have developed rapidly. At present, the commonly used lightweight partition wall materials include gypsum hollow slats, mineral wool boards, brazing magnesium boards and cement mortar composite wallboards, all of which have their insurmountable defects. For example, the gypsum hollow board has a high water absorption rate and poor waterproof and moisture-proof performance, and the use of toilets, bathrooms, and kitchens is subject to certain restrictions; brazed magnesium boards have a large shrinkage rate and poor durability; mineral wool boards and cement mortar composite wallboards are not only expensive, but general engineering cannot bear it. , and the rigidity is poor, and there are certain difficul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B18/02E04C2/04C04B111/20C04B111/27C04B111/28C04B111/40C04B111/52
CPCC04B18/027C04B28/143C04B2111/00017C04B2111/00612C04B2111/2053C04B2111/27C04B2111/28C04B2111/40C04B2111/52C04B2201/20C04B2201/50E04C2/043C04B18/18C04B14/104C04B18/0418
Inventor 韩新宇史建武苏玮晗
Owner KUNMING UNIV OF SCI & TECH