Ceramic green body drying process

A technology of ceramic body and drying process, applied in the field of ceramic manufacturing, can solve the problems of cracking of the body, easy cracking, lowering of the qualified rate of drying of the body, etc., and achieve the effect of reducing cracking

Active Publication Date: 2017-01-11
JOMOO KITCHEN & BATHROOM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this process is that it is easy to cause the green body to crack, especially for the ultra-large sanitary ceramic

Method used

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  • Ceramic green body drying process

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Embodiment Construction

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] Such as figure 1 As shown, in this embodiment, the ceramic body drying process includes the following steps:

[0020] In step 1, place the ceramic body in the drying room, insert the shrinkage meter into the surface of one of the green bodies, and connect its test output to the display screen and recorder outside the drying room to ensure real-time measurement Shrinkage. In Step 1, the initial temperature of the drying room is set to 30° C., and the initial humidity is set to 82%.

[0021] In step 2, the temperature continued to rise from an i...

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Abstract

The invention discloses a ceramic green body drying process. The process comprises the steps that (1) green bodies are placed into a drying room, the initial temperature is set to be 28-32 DEG C, and the initial humidity is set to be 82-85%; (2) the temperature continues to be raised to 34-36 DEG C from the initial temperature, the humidity continues to be reduced to 78-79% from the initial humidity, and the temperature and the humidity are maintained for 3.5-7 hours; (3) the temperature continues to be raised to 38-40 DEG C from the cut-off temperature in the step (2), the humidity continues to be reduced to 74-76% from the cut-off humidity in the step (2), and then the temperature and the humidity are maintained for 7-10 hours; (4) temperature continues to be raised to 42-44 DEG C from the cut-off temperature in the step (3), the humidity continues to be reduced to 66-68% from the cut-off humidity in the step (3), and then the temperature and the humidity are maintained for 3-5 hours; (5) the temperature is maintained for 6-9 hours after being raised to 75-80 DEG C at the speed of 8-12 DEG C per hour, and the humidity is maintained for 6-9 hours after being reduced to 13-20% at the speed of 8-9% per hour; and (6) the temperature is lowered to the indoor temperature, and then the green bodies are taken out. Through the drying process, the cracking rate of ceramic green bodies in the drying process is effectively reduced, and the drying qualified rate of the green bodies is increased; and the drying efficiency can be effectively improved, and the drying time of green bodies can be shortened effectively.

Description

technical field [0001] The invention relates to the field of ceramic manufacturing, in particular to a ceramic green body drying process. Background technique [0002] In the prior art, the drying of the sanitary ceramic body generally goes through three processes of heating up, keeping warm and cooling down. In "Research on Rapid Drying Technology of Sanitary Ceramics" written by Liu Mingfu and others (published in the fifth issue of "Ceramics" magazine in 2006), the relationship between ceramic drying process and water evaporation is recorded. In this process, the ceramic body is generally Rising from 60°C to 110°C within three hours, then cooling at 110°C for 7 hours. The problem with this process is that it is easy to cause the body to crack, especially for super-large sanitary ceramic bodies with double-sided slurry and larger thickness, it is more likely to crack, resulting in a reduction in the qualified rate of green body drying. Contents of the invention [0003...

Claims

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Application Information

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IPC IPC(8): F26B3/04
CPCF26B3/04F26B2210/02
Inventor 林孝发林孝山张德旺廖振邦
Owner JOMOO KITCHEN & BATHROOM
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