A method for manufacturing rigid heat-insulating tile body by additive manufacturing method

A technology of additive manufacturing and heat insulation tiles, which is applied in the direction of manufacturing tools, additive processing, ceramic molding machines, etc., can solve problems such as uneven density, and achieve the effect of uniform density, guaranteed accuracy, and accurate thickness

Active Publication Date: 2020-08-07
AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of non-uniform density of the rigid heat-insulating tile body in the manufacturing process in the prior art, the present invention provides a method for manufacturing the rigid heat-insulation tile body by additive manufacturing

Method used

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  • A method for manufacturing rigid heat-insulating tile body by additive manufacturing method
  • A method for manufacturing rigid heat-insulating tile body by additive manufacturing method
  • A method for manufacturing rigid heat-insulating tile body by additive manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Rigid heat-insulation tile blank body is manufactured by a device for additively manufacturing rigid heat-insulation tile blank body, said device for additively manufacturing rigid heat-insulation tile blank body, such as figure 1 shown. The device for additively manufacturing a rigid heat-insulating tile body includes a feeding system, a filter container, a drain pipe, a pressurizing device and an automatic control system (PLC controller, a first displacement sensor, a second displacement sensor, a pressure sensor and solenoid valve).

[0077] The filter container includes a peripheral wall, a bottom plate, a bottom net (30 mesh steel wire mesh), 3 lath-shaped reinforcing ribs arranged in parallel (through holes are provided on the reinforcing ribs) and a liquid collecting tank arranged below the reinforcing ribs. part, the liquid outlet of the liquid collection part communicates with the liquid discharge pipe, and the liquid discharge pipe includes a main liquid disc...

Embodiment 2

[0083] Example 2 is basically the same as Example 1, except that the pH of the slurry is not adjusted to 10 with concentrated ammonia water.

Embodiment 3

[0085] Embodiment 3 is basically the same as Embodiment 1, except that in the device used in Embodiment 3 for additive manufacturing of rigid heat-insulating tile blanks: the distance between the centers of every two adjacent through holes is 8mm.

[0086] The density test was carried out on the 7 slurry layers included in the rigid heat-insulating tile body manufactured in this embodiment, and the results are shown in Table 1.

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Abstract

The invention relates to a method for manufacturing rigid thermal insulation tile bodies with an additive manufacturing method. The method comprises steps as follows: (1) ceramic fiber and nonmetal boride are uniformly mixed with water and slurry is obtained; and (2) the slurry obtained in the step (1) is formed layer by layer with the jet additive manufacturing method, and the rigid thermal insulation tile bodies are prepared. The method is implemented by use of a device for additive manufacturing of the rigid thermal insulation tile bodies. The density and thickness accuracy of the rigid thermal insulation tile bodies can be effectively controlled with the method, and the rigid thermal insulation tile bodies with high thickness accuracy, uniform density and good quality can be obtained.Besides, the method has the advantages of being simple to operate, low in manufacturing cost, high in production efficiency, green, environmentally friendly and the like.

Description

technical field [0001] The invention belongs to the technical field of rigid heat-insulating tile manufacturing, and in particular relates to a method for manufacturing a rigid heat-insulating tile body through an additive manufacturing method. Background technique [0002] At present, there is a problem of uneven density in the manufacturing process of the rigid heat insulation tile body. [0003] The manufacturing process of rigid thermal insulation tiles generally includes placing the slurry containing short fibers and sintering aids in a container with filtering function to filter out the water in it, and then obtain the rigid thermal insulation tile green body (filter cake), and then The rigid thermal insulation tile body is dried and sintered in sequence to obtain the rigid thermal insulation tile; however, in this method, there will be uneven density of the rigid thermal insulation tile blank body in all directions, especially in the thickness direction, resulting in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/563C04B35/583C04B35/80B28B1/00B33Y10/00B33Y70/10
CPCB28B1/001B33Y10/00B33Y70/00C04B35/563C04B35/583C04B35/806C04B2235/3217C04B2235/5228C04B2235/5236C04B2235/526C04B2235/5264C04B2235/6026
Inventor 鲁胜赵英民刘斌
Owner AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
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