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Flat-plate solar collector phenolic foam inorganic heat insulating material

A technology of inorganic thermal insulation materials and flat-panel solar energy, which is applied in the field of thermal insulation materials, can solve the problems of poor compactness, low thermal insulation efficiency and high temperature of flat-panel solar collectors, and achieve the effect of wide working temperature range

Inactive Publication Date: 2016-11-23
NANNING KEYU ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the thermal conductivity of materials such as glass wool or rock wool
[0003] The disadvantages such as high number, poor tightness inside the material, easy moisture absorption, and poor toughness make the overall thermal insulation efficiency of the flat-panel solar collector low and the service life short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A phenolic foam inorganic insulation material for flat solar collectors, comprising 100 parts of phenolic resin, 8 parts of inorganic flame retardant mixed with aluminum hydroxide and antimony trioxide at a mass ratio of 80:7, and 10 parts of pentane foaming agent 8 parts of acid curing agent mixed with phosphoric acid and benzenesulfonic acid, 5 parts of block type water-based methyl silicone oil stabilizer, and 8 parts of polyethylene glycol toughening agent are mixed and foamed and solidified.

Embodiment 2

[0025] A phenolic foam inorganic thermal insulation material for flat solar collectors, consisting of 90 parts of phenolic resin, 8 parts of inorganic flame retardant mixed with aluminum hydroxide and antimony trioxide at a mass ratio of 80:7, and 15 parts of pentane foaming agent 10 parts of acid curing agent mixed with phosphoric acid and benzenesulfonic acid, 5 parts of block type water-based methyl silicone oil stabilizer and 10 parts of polyethylene glycol toughening agent are mixed, foamed and cured.

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PUM

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Abstract

The invention discloses a flat-plate solar collector phenolic foam inorganic heat insulating material which is prepared by mixing, foaming and curing phenolic resin, inorganic flame retardants, foaming agents, curing agents, stabilizing agents and flexibilizers in parts by weight. The phenolic foam inorganic heat insulating material is applied to a solar water heater and can effectively solve the problems of contraction of a water tank and the like when polyurethane foam serves as a heat insulating material. Moreover, phenolic foam is fireproof, flame-retardant, wide in working temperature range and environmentally friendly, and energy is saved.

Description

technical field [0001] The invention relates to the technical field of thermal insulation materials, in particular to a phenolic foam inorganic thermal insulation material for flat solar heat collectors. Background technique [0002] Flat-panel solar collectors are generally composed of heat-absorbing plate cores, shells, transparent cover plates, thermal insulation materials and related parts. After adding the circulation pipeline and the heat preservation water tank, it can absorb the solar radiation heat and make the water temperature rise. The materials used for the insulation layer of flat-panel solar collectors mainly include rock wool, glass wool, polyurethane, polystyrene, etc., but at present, rock wool and glass wool are mostly used. However, due to the thermal conductivity of materials such as glass wool or rock wool [0003] The disadvantages such as high number, poor internal tightness of the material, easy moisture absorption, and poor toughness make the over...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08L71/08C08K13/02C08K3/22C08J9/14
CPCC08L61/06C08J9/141C08J2203/14C08J2361/06C08L2201/02C08L2203/14C08L2205/03
Inventor 李光明
Owner NANNING KEYU ENERGY TECH CO LTD