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Production process and device of foamed ceramic

A technology of foamed ceramics and a production device, applied in the field of foamed ceramics manufacturing, can solve the problems of limiting the wide application of foamed ceramics, long firing cycle of foamed ceramics, high product cost, etc. , significant economic benefits, the effect of simple structure

Pending Publication Date: 2020-01-31
徐平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the small size of the powder and poor thermal conductivity; after high-temperature foaming, it is not easy to cool down, resulting in a long firing cycle for foamed ceramics and high product costs. Compared with other types of thermal insulation materials, the cost is obviously higher , which also limits the wider application of foamed ceramics

Method used

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  • Production process and device of foamed ceramic
  • Production process and device of foamed ceramic
  • Production process and device of foamed ceramic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] combine Figure 1-Figure 5 As shown, a foamed ceramic production device includes a kiln 8, the kiln 8 is a roller kiln, and a thermocouple 6 is arranged on the top of the roller kiln to ensure uniform heating and accurate control of temperature , a sagger 11 is placed on the stick 10 of the roller kiln, and the sagger 11 is set on the stick 10 through the movement of the refractory beam 14; it is characterized in that: the bottom and the surrounding edge of the sagger 11 There are several through holes 2 and slots 1.

[0041] Wherein, the bottom of the sagger 11 is a refractory board 13 , and the rim of the sagger 11 is a refractory rim 12 . The total area of ​​the holes 2 and the slots 1 is 1% of the surface area of ​​the sagger, the total number of the holes 2 and the slots 1 is 100, the diameter of the holes 2 and the slots 1 The gap width does not exceed 5mm. In this way, it can be ensured that hot air can enter and flow out of the sagger 11 smoothly. In other e...

Embodiment 2

[0049] combine Figure 6 As shown, the structure of the foamed ceramic production device provided in this embodiment is basically the same as that of Embodiment 1, the difference is that

[0050] 1. The kiln is a tunnel kiln, and several spray guns 9 are arranged on the side wall of the tunnel kiln.

[0051] 2. A plurality of stacked saggers 11 are arranged on the kiln car 4 in the tunnel kiln, and two adjacent saggers 11 are supported by refractory columns 3 and separated by refractory beams 14 .

[0052] Compared with Example 1, the tunnel kiln used in this example can realize the superposition firing of multiple saggers, and the production efficiency is high.

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Abstract

The invention discloses a production process of foamed ceramic. The production process is characterized by comprising the following steps that (1) a sagger with the bottom and / or surrounding edge provided with holes and / or slots is selected; (2) ceramic paper is placed in the sagger; (3) the sagger is filled with a foamed ceramic raw material; (4) the foamed ceramic raw material is put into a kilnto be fired; and (5) cutting and grinding are carried out to obtain a foamed ceramic product. The invention further discloses a production device of the foamed ceramic. The production device comprises a kiln, a sagger motion supporting part arranged in the kiln and the sagger placed on the sagger motion supporting part. The production device is characterized in that multiple through holes and / orslots are formed in the bottom and / or surrounding edge of the sagger. The production process and the production device have the advantages that the structure is simple, and operation is convenient. The defects that the existing product firing period is long, and energy consumption and cost are high are overcome, and remarkable economic benefits are achieved.

Description

technical field [0001] The invention relates to the technical field of manufacturing foamed ceramics, in particular to a production process and device for foamed ceramics. Background technique [0002] Foamed ceramics are currently the inorganic thermal insulation materials with the best comprehensive performance. As a building wall panel, it is being rapidly applied because of its advantages of light weight, heat insulation, and quick construction. [0003] In the prior art, the production process of foamed ceramics is: filling the preprocessed powder material into a refractory sagger, firing it in a kiln (such as a roller kiln, a tunnel kiln), and cooling it out. After kiln and cutting, it becomes a foamed ceramic product. The refractory material sagger is composed of multiple movable refractory boards at the bottom; The refractory sagger can be supported by refractory beams, and can be loaded in single or multi-layer stacks. The refractory sagger is carried and moved ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/50B28B11/24F27B9/26F27B9/30F27B9/36
CPCB28B1/50B28B11/243F27B9/262F27B9/30F27B9/36
Inventor 徐平
Owner 徐平