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Dry method extra-fine glass wool vacuum insulated panel core material and preparation method thereof

A technology of ultra-fine glass wool and vacuum insulation panels, applied in glass manufacturing equipment, heat exchange equipment, lighting and heating equipment, etc., can solve the problems of complex process, tedious, high production cost, etc., to reduce production cost and reduce product cost , to avoid the effect of high manufacturing cost

Inactive Publication Date: 2014-01-29
SUZHOU V I P NEW MATERIAL
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The process is complex, tedious, and the production cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0026] Using 560kg of waste glass, 96kg of feldspar, 56kg of dolomite, 32kg of soda ash, and 56kg of borax as raw materials, after mechanical stirring with a stirring power of 6KW and a mixing time of 30 minutes, a mixture with a particle size of 0.1mm to 15mm is obtained. After the mixture is melted into glass liquid in a furnace at 1380 ° C, it is introduced into a centrifugal disc with a rotation speed of 2500 rad / min and a side wall hole of 0.7 mm at a flow rate of 250 kg / h to form primary fibers. Once the fiber passes through the high-speed, high-temperature airflow with an airflow velocity of 500m / s and an airflow temperature of 750℃, the centrifugal glass fiber is formed into a centrifugal glass fiber with a fiber diameter of 2μm-4μm and a fiber aspect ratio of 1000-1500. The centrifugal glass fiber falls evenly to the cotton collector with a power of 20Hz under the action of the downward gravity fan, and is driven by the cotton collector to the lamination equipment for ...

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PUM

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Abstract

The invention discloses a dry method extra-fine glass wool vacuum insulated panel core material and a preparation method thereof. The core material is completely composed of extra-fine glass fibers prepared through the centrifugal process and replaces a traditional vacuum insulated panel core material. According to the traditional vacuum insulated panel core material, glass fibers prepared through the flame process need to be added for achieving the low heat conductivity coefficient. The core material is directly and instantly formed in a hot-pressing mode in the centrifugal production process of extra-fine glass wool, and has the advantages of being low in heat conductivity coefficient, stable in structure and low in production cost.

Description

technical field [0001] The invention relates to a core material of a vacuum heat insulation board and a preparation method thereof, in particular to a core material of a dry process ultrafine glass wool vacuum heat insulation board and a preparation method thereof. Background technique [0002] Vacuum insulation panels are based on the principle of vacuum insulation. High-efficiency insulation is achieved by maximizing the vacuum inside the panel and filling porous materials with low thermal conductivity. It is widely used in refrigerators, freezers, refrigerated containers, building insulation and other fields. It is the current insulation The material with the best thermal insulation properties. Vacuum insulation panels are mainly composed of core materials, packaging membrane materials and gas adsorption materials. The core material is the support body of vacuum insulation panels, which has the characteristics of high porosity and low thermal conductivity, and is the core...

Claims

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Application Information

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IPC IPC(8): F16L59/065B32B17/02B32B17/06C03C6/04C03B37/022
CPCF25D2201/14F16L59/065C03B37/005C03C13/00
Inventor 陈照峰陈舟张卷
Owner SUZHOU V I P NEW MATERIAL
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