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Ardealite-based heat insulation mortar and preparation method thereof

A technology for thermal insulation mortar and phosphogypsum, which is applied in the field of environmental protection and energy saving, can solve the problems of low mortar strength, and achieve the effects of simple preparation process, improved solidification performance, and improved quality

Active Publication Date: 2018-10-19
江苏腾跃建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the purpose of the present invention is to provide a phosphogypsum-based thermal insulation mortar and its preparation method to solve the existing technical problems of low mortar strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 12kg of cement, 10kg of phosphogypsum, 80kg of vitrified beads, 2kg of quartz sand, 20kg of water, 3kg of quicklime and 1kg of organic binder.

[0023] The phosphogypsum is hemihydrate gypsum.

[0024] The cement is 42.5R Portland cement.

[0025] The vitrified microbeads: particle size 0.6mm, bulk density 242kg / m 3 , the volume water absorption rate is 40.6%, the surface vitrified closed cell rate is 81%, the thermal conductivity is 0.067W / m·K, the cylinder compressive strength is 201kPa, and the refractory temperature is 1298°C.

[0026] The organic binder is any one of styrene-acrylic latex powder, acrylate latex powder, and vinyl acetate-ethylene latex powder.

[0027] The preparation method of the phosphogypsum-based thermal insulation mortar is:

[0028] (1) Phosphogypsum pretreatment: put phosphogypsum into the calcining kiln for calcination at 190°C for 2 hours, then take out the phosphogypsum and age it at room temperature for a day, then mix the phosphogyps...

Embodiment 2

[0032] 20kg of cement, 20kg of phosphogypsum, 120kg of vitrified beads, 8kg of quartz sand, 30kg of water, 6kg of quicklime and 2kg of organic binder.

[0033] The phosphogypsum is hemihydrate gypsum.

[0034] The cement is 42.5R Portland cement.

[0035] The vitrified microbeads: particle size 0.6mm, bulk density 242kg / m 3 , the volume water absorption rate is 40.6%, the surface vitrified closed cell rate is 81%, the thermal conductivity is 0.067W / m·K, the cylinder compressive strength is 201kPa, and the refractory temperature is 1298°C.

[0036] The organic binder is any one of styrene-acrylic latex powder, acrylate latex powder, and vinyl acetate-ethylene latex powder.

[0037] The preparation method of the phosphogypsum-based thermal insulation mortar is:

[0038] (1) Phosphogypsum pretreatment: Put phosphogypsum into a calcining kiln and calcinate at 205°C for 3 hours, then take out the phosphogypsum and age it at room temperature for 5 days, then mix phosphogypsum, wa...

Embodiment 3

[0042] 15kg of cement, 14kg of phosphogypsum, 100kg of vitrified beads, 5kg of quartz sand, 25kg of water, 4.5kg of quicklime and 1.5kg of organic binder.

[0043] The phosphogypsum is hemihydrate gypsum.

[0044] The cement is 42.5R Portland cement.

[0045] The vitrified microbeads: particle size 0.6mm, bulk density 242kg / m 3 , the volume water absorption rate is 40.6%, the surface vitrified closed cell rate is 81%, the thermal conductivity is 0.067W / m·K, the cylinder compressive strength is 201kPa, and the refractory temperature is 1298°C.

[0046] The organic binder is any one of styrene-acrylic latex powder, acrylate latex powder, and vinyl acetate-ethylene latex powder.

[0047] The preparation method of the phosphogypsum-based thermal insulation mortar is:

[0048](1) Phosphogypsum pretreatment: Put phosphogypsum into a calciner for calcination at 198°C for 2.5 hours, then take out the phosphogypsum and age it at room temperature for 5 days, then mix phosphogypsum, w...

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Abstract

The invention belongs to the technical field of environment protection and energy saving, in particular to ardealite-based heat insulation mortar. The ardealite-based heat insulation mortar is prepared from 12 to 20 parts of cement, 10 to 20 parts of ardealite, 80 to 120 parts of glass beads, 2 to 8 parts of quartz sand, 20 to 30 parts of water, 3 to 6 parts of quicklime and 1 to 2 parts of organic bonding agents in parts by weight. The raw materials use chemical gypsum produced through wet process phosphoric acid production as raw materials; the cost is effectively reduced; the comprehensiveutilization path of the ardealite waste can be widened; the consumption of solid waste in phosphorus chemical industry is increased; the sustainable development of the phosphorus chemical industry canbe promoted.

Description

technical field [0001] The invention relates to the technical field of environmental protection and energy saving, in particular to a phosphogypsum-based thermal insulation mortar and a preparation method thereof. Background technique [0002] my country's external wall insulation includes organic insulation systems, inorganic insulation systems, and organic and inorganic composite insulation materials. Among them, organic insulation materials are mainly used. The production and construction technology is very mature, but they cannot be fireproof, pollute the environment, and are easy to age. Inorganic thermal insulation mortar materials have received widespread attention due to their advantages such as low finished product, high strength, thermal insulation, fire prevention, and weather resistance. Vitrified microbead thermal insulation mortar is a new type of inorganic thermal insulation mortar material for external wall insulation, which is made by mixing vitrified micro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B40/02
CPCC04B28/143C04B40/024C04B2201/10C04B2201/20C04B2201/32C04B2201/50C04B7/02C04B18/027C04B14/06C04B22/002C04B22/064C04B2103/0091
Inventor 不公告发明人
Owner 江苏腾跃建材有限公司
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