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Light-weight insulating wall body and production method thereof

A thermal insulation wall, lightweight technology, applied in chemical instruments and methods, walls, building components, etc., can solve the problems of no patent application, no thermal insulation wall materials have been reported in reports, etc. Social and environmental effects, good weather resistance

Inactive Publication Date: 2010-01-27
GUIYANG PENGHONG HIGH NEW TECH DECORATION MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far, there is no information about using phosphogypsum and polyurethane as raw materials to produce light-weight and thermal insulation wall materials from phosphorus chemical industry, and there is no related patent application.

Method used

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  • Light-weight insulating wall body and production method thereof
  • Light-weight insulating wall body and production method thereof
  • Light-weight insulating wall body and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0033] The first step is to modify phosphogypsum: take phosphogypsum discharged from an enterprise in Guizhou Province as raw material, and its chemical composition (mass fraction) is shown in the following table after testing:

[0034] Composition SO 3 CaOSiO 2 F MgO Al 2 o 3 Fe 2 o 3

[0035] Content 39.46 31.40 4.99 0.2 0.04 0.04 0.21

[0036] Ingredient P 2 o 5 Na 2 OK 2 O TiO 2 MnO loss on ignition Total

[0037] Content 1.18 0.09 0.09 0.07 0.01 21.76 100

[0038] First, clean the phosphogypsum with clean water and dry it, then send it to a tunnel kiln and burn it with civil gas at 1300-1360°C for 25 minutes to remove part of the water and P in the phosphogypsum. 2 o 5 and fluorine, and then grind the calcined charge to 400-450 mesh for later use. At this time, the composition of phosphogypsum has changed, and its chemical composition (mass fraction) is as shown in the following table after testing:

[0039] Composition SO 3 CaOSiO 2 ...

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Abstract

The invention discloses a light-weight insulating wall body, i.e. a sandwiched plate prepared by injecting urethane foam between two modified phosphogypsum cement fibrolite composite plates. The plate is provided with a mail tenon at one side and a female tenon at the other side. The production method comprises the following steps: firstly, modifying phosphogypsum; secondly, manufacturing high-strength phosphogypsum cement fibrolite plates; thirdly, preparing preliminary combined urethane foam material; and fourthly, injecting the urethane foam to prepare the sandwiched wall body plate. The light-weight insulating wall body has the advantages of light quality, good weatherability, strong corrosion resistance, smoothness, attractive appearance, incombustibility, strong strength, low cost, easy mounting, and the like, lightens the gross weight of the whole building and expands the usable floor area of a house. The product by the method not only effectively lessens the environmental pollution of the phosphogypsum, is beneficial to environmental improvement and waste recovery, but also improves the construction speed of the house, decreases the manufacture cost of the building and has favorable social and environmental effects and economic benefits.

Description

technical field [0001] The invention relates to building materials, in particular to a wall material produced from phosphogypsum and polyurethane, and also to a production method for the wall. Background technique [0002] Phosphogypsum is an industrial waste discharged from the wet-process phosphoric acid production process in the phosphorus chemical industry. In recent years, technical solutions for the comprehensive utilization of phosphogypsum have emerged, such as Chinese patent application No. 95190467.1 "Production method of polymer material with high chemical resistance and mechanical resistance", No. 02110236.8 "Phosphogypsum wall material and its preparation method ", No. 200410021766.4 "Method for producing building decoration materials and wall materials with phosphogypsum", No. 200410081601.6 "Profile produced with phosphogypsum and its preparation method", No. 200510003008.4 "Method for producing cable or optical cable bracket components with PVC resin ", No. ...

Claims

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Application Information

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IPC IPC(8): E04C2/288E04C2/38E04B2/72C04B28/14C04B11/26B28B3/12B28C7/04B28C5/40
Inventor 马兴祥
Owner GUIYANG PENGHONG HIGH NEW TECH DECORATION MATERIAL
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