Unlock instant, AI-driven research and patent intelligence for your innovation.

Manufacturing method of glass wool core material

A production method, glass wool technology, applied in pulp beating method, synthetic cellulose/non-cellulose material pulp/paper, addition of inorganic compounds, etc., can solve the problems of inconsistent product quality, inability to achieve heat insulation effect, etc., to achieve Good heat insulation effect, simple and easy forming process, good elasticity

Inactive Publication Date: 2012-10-10
QINGDAO CREEK NEW ENVIRONMENTAL PROTECTION MATERIAL
View PDF9 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different specific preparation methods of the core material, the quality of the obtained products cannot be uniform, and the best heat insulation effect cannot be achieved.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] The manufacturing method of glass wool core material comprises beating, mixing pulp, molding, drying, finished product cutting process, and described beating process comprises the following steps:

[0015] (1) Accurately weigh 125±0.5KG of glass fiber, the glass fiber is Daqing flame cotton, the length of glass fiber is 3.05-4.29mm, stack according to the model, pay attention to the cleanliness of raw materials, and prevent the mixing of impurities;

[0016] (2) Add half of the weighed raw material weight into the beating bucket, and then add 2.5 to 3 tons of water into the beating bucket, such as return water

[0017] (3) Add 200-300ml of sulfuric acid into the beating barrel to adjust the pH value to 2.5-3.0;

[0018] (4) Beating, the beating time is set to 120-250 seconds, and the stirring speed of the beater is 500 rpm

[0019] (5) Put the remaining raw materials into another beating barrel, and perform the beating operation according to the above steps.

[0020] ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Lengthaaaaaaaaaa
Diameteraaaaaaaaaa
Diameteraaaaaaaaaa
Login to View More

Abstract

The invention relates to a manufacturing method of a glass wool core material. The method comprises a pulping process, a pulp preparing process, a forming process, a drying process and a finished product cutting process, and the forming process comprises the following steps of: (1), starting a motor and enabling a forming net to rotate at a uniform speed; (2) warming up to 360+ / -10 DEG C, sizing, regulating the PH value to 3.0-3.1, wherein the sizing speed is 3m / min; (3) regulating the rotation rate of the forming net, and regulating the frequency of a frequency converter which controls the rotation speed to 3-10HZ; (4) regulating the vacuum pressures of forming stations so as to respectively control the vacuum pressures at 0.005-0.15MPa, 0.035-0.045MPa and over 0.006MPa; (5) regulating a forming roller so as to control the thickness of a core material in a wet state; and (6) regulating a press roller to control the quantity of the core material.

Description

technical field [0001] The invention relates to a manufacturing method of a glass wool core material, in particular to a forming process therein. Background technique [0002] Vacuum insulation panels are one of the vacuum insulation materials. The vacuum insulation panels currently on the market are mainly composed of filled core materials and vacuum protection surfaces. Vacuum insulation panels are mainly used for thermal insulation, such as refrigerators, freezers, electric water heaters, vending machines, refrigerated containers, building wall insulation, and LNG storage and transportation. The core material for vacuum insulation panels is mainly made of glass fiber or glass fiber mixed with other materials through beating, pulping, molding, drying, and finished product cutting. Due to the different specific preparation methods of the core materials, the quality of the produced products cannot be uniform, and the best thermal insulation effect cannot be achieved. Cont...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): D21J1/00D21F11/00D21H13/40D21H17/65D21D1/02D21J1/06D21J1/04
Inventor 翟传伟李壮贤
Owner QINGDAO CREEK NEW ENVIRONMENTAL PROTECTION MATERIAL