Drying method of ceramic billet and energy-saving fast drying kiln used therein

A drying method and rapid drying technology, applied in the field of ceramic blank drying, energy-saving and rapid drying kiln, can solve the problems of high fuel consumption and power consumption, and achieve the effect of avoiding cracking and small temperature difference

Active Publication Date: 2015-12-23
广东中鹏热能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its disadvantages are: each independent circulation system needs to be equipped with an independent circulation fan and burner, and the fuel consumption and power consumption are very large

Method used

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  • Drying method of ceramic billet and energy-saving fast drying kiln used therein

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Effect test

Embodiment

[0022] Embodiment: The drying method of the ceramic body of the present invention includes passing heat medium such as hot air into the drying kiln, so that the drying kiln has sufficient temperature. At the same time, water vapor is mixed in the heat medium. In this way, the heat medium can maintain an appropriate amount of humidity, and through appropriate adjustments, the balance of water loss in various parts of the green body can be effectively maintained, thereby avoiding greater stress inside the green body during the drying process, thereby avoiding the cracking of the brick . At the same time, the water vapor is mixed with the heat medium before it enters the drying kiln. In this way, compared with other methods of mixing normal temperature water and heat medium outside the drying kiln, the defect of absorbing a large amount of heat energy after the water is heated and vaporized is avoided, so that it is more energy-saving.

[0023] Optimally, the humidity of the he...

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PUM

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Abstract

The invention discloses a method for drying ceramic blank. The method comprises the steps of leading a thermal medium to a drying kiln, mixing the thermal medium with steam, and mixing the steam with the thermal medium before the thermal medium enters the drying kiln. After optimization, humidity of the thermal medium is adjustable; and the humidity of the thermal medium is decreased progressively along with the drying degree of the ceramic blank. The invention further discloses the energy-saving rapid drying kiln used in the method.

Description

technical field [0001] The invention relates to the technical field of preparation of ceramic products, in particular to a method for drying ceramic blanks. The invention also relates to an energy-saving fast drying kiln used in the drying method of the ceramic body. Background technique [0002] The drying of ceramic blanks (including ceramic tile blanks or ceramic slab blanks) is to reduce the moisture contained in the blanks to a certain extent according to the requirements of the production process. The usual method is: pass heat medium into the drying kiln to heat the green body, and the moisture in the green body is heated and evaporated. In this evaporation process, the moisture on the surface of the green body first absorbs heat and vaporizes, and then the moisture inside the green body migrates to the surface at a certain rate, repeating the above-mentioned surface evaporation process. After that, the moisture in the deeper part of the green body also migrates to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B21/00C04B35/622
Inventor 万鹏
Owner 广东中鹏热能科技股份有限公司
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