Light heat preservation coating for top of float-valve storage tank

A technology for thermal insulation coatings and storage tanks, applied in the field of coatings, can solve the problems of high moisture content, uneven quality and large shrinkage rate of coatings, and achieve the effects of good thermal insulation performance, small dry bulk weight, and small drying shrinkage.

Inactive Publication Date: 2010-02-17
HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of unstable product quality, uneven product quality, high moisture content of the coating, large shrinkage rate during drying (shrinkage rate can reach 35%), and affect the thermal insulation effect existing in the existing thermal insulation coating. Light body thermal insulation coating for the roof of float valve storage tank

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0007] Specific Embodiment 1: The thermal insulation coating of this embodiment consists of 1.5-4.5% of structure regulator, 1-12% of expanded perlite powder or expanded vermiculite or floating beads, 1-3% of aluminum silicate fiber, and fiber water according to the mass percentage. 1-23% magnesium stone, 1-4% organic bentonite, 1-4% calcium carbonate powder, 1-4% magnesium silicate powder, 6-10% binder, 1.5-3.5% coating additive and the rest water composition.

specific Embodiment approach 2

[0008] Specific embodiment 2: The thermal insulation coating of this embodiment is composed of 1.5-4.5% of the structure regulator, expanded perlite powder or expanded vermiculite or floating beads, or any compound 2-11 in any proportion of two or more %, aluminum silicate fiber 1-3%, fiber brucite 1-23%, organic bentonite 1-4%, calcium carbonate powder 1-4%, magnesium silicate powder 1-4%, binder 6-10% %, 1.5-3.5% of paint additives and the rest of water.

specific Embodiment approach 3

[0009] Specific embodiment three: The thermal insulation coating of this embodiment consists of 2-4% of structure regulator, 3-10% of expanded perlite powder or expanded vermiculite or floating beads, 1.5-2.5% of aluminum silicate fiber, fiber water 2-20% magnesium stone, 2-3% organic bentonite, 2-3% calcium carbonate powder, 2-3% magnesium silicate powder, 7-9% binder, 2-3% coating additive and the rest water composition.

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Abstract

A light heat-preservation material used in the tank top of a float valve-type storage tank relates to a coating material. The invention aims to solve the problems that the prior heat-preservation material has instable and different product quality, high moisture content and high degree of shrinkage during drying and influences heat-preservation effect. The light heat-preservation material, according to mass percent, consists of 1.5 to 4.5 percent of structural modifier, 1 to 12 percent of expanded perlite powder, expanded vermiculite or floating bead, 1 to 3 percent of aluminum silicate fiber,1 to 23 percent of nemalite, 1 to 4 percent of organic bentonite, 1 to 4 percent of calcium carbonate powder, 1 to 4 percent of magnesium silicate powder, 6 to 10 percent of adhesive, 1.5 to 3.5 percent of coating material auxiliary agent and the balance being water. The light heat-preservation material changes the inner structural form of a coating material and ensures that the inside of the coating material is in the shape of densely distributed and enclosed micropores, thereby reducing the coefficient of thermal conductivity of the coating material; moreover, during the drying of coating material slurry, the coating material has less shrinkage drying caused by water volatilization, less dry density and excellent comprehensive heat-preservation performance.

Description

technical field [0001] The present invention relates to a coating. Background technique [0002] Thermal insulation coating is a new product that appeared in our country in the late 1980s. It is favored by various industries because of its improved thermal insulation effect compared with traditional thermal insulation materials, wide application and convenient use. The first-generation product is composite aluminum silicate thermal insulation coating, the publication number is CN87102864, the publication date is November 18, 1987, and the most representative invention patent is named "composite silicate thermal insulation coating and its production method". , its coating is made of a variety of light non-metallic minerals, mountain cork, magnesium aluminum silicate fiber; the second generation product is hydrophobic composite aluminum silicate thermal insulation coating, the representative product is the patent number 91109084.3, Publication number is CN1058975, publication...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D131/04C09D5/18B65D90/02
Inventor 孙玉林王勃王晶邸明伟程万远李冰
Owner HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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