Ceramic firing kiln with controllable firing atmosphere

A kind of atmosphere and kiln technology, which is applied in the direction of furnace, charge, muffle furnace, etc., can solve problems not related to the control of the atmosphere in the kiln, improve flexibility and convenience of operation, and reduce carbon dioxide and other harmful gas emissions , The effect of improving the performance of ceramics

Pending Publication Date: 2017-06-13
杭州志在材料科技有限公司 +1
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Problems solved by technology

The diesel-electric combination kiln with a double-chamber structure is the basis for the electric kiln to generate a reducing atmosph

Method used

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  • Ceramic firing kiln with controllable firing atmosphere
  • Ceramic firing kiln with controllable firing atmosphere
  • Ceramic firing kiln with controllable firing atmosphere

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Embodiment Construction

[0013] The ceramic firing kiln with controllable firing atmosphere proposed by the present invention has a structure such as figure 1 As shown, it includes the thermal insulation outer wall 3, the firing zone 1 and the atmosphere generation zone 2, the firing zone 1 and the atmosphere generation zone 2 are located in the inner cavity of the thermal insulation outer wall 3, the gas in the firing zone 1 and the gas in the atmosphere generation zone 2 The gas is connected through the porous partition 16, and the gas internal circulation passage 9 and the gas external circulation passage 15 are respectively provided between the firing zone 1 and the atmosphere generation zone 2, and the internal circulation gate 7 is provided on the gas internal circulation passage 9. The upper heater 4 is arranged along the four walls in the firing area 1, and the support shed plate 8 is arranged in the firing area. 17 and the recycle gas outlet, the recycle gas outlet is provided with an exhaust...

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Abstract

The invention relates to a ceramic firing kiln with controllable firing atmosphere, and belongs to the technical field of the ceramic firing. The ceramic firing kiln comprises an air passage between the firing area and the atmosphere control area. The air passage mainly comprises an air passage between the areas, a fresh air inlet passage, an air exhaust passage, an airflow internal circulation passage, an airflow external circulation passage and so on. The ceramic firing kiln with the controllable firing atmosphere is capable of solving the problem that an electrical kiln cannot generate the stable controllable reducing atmosphere internally. Compared with the traditional wood-fired kiln, only a small quantity of the wood charcoal or other carbon component reactants is used for once-firing, the energy loss is controlled, the discharge of a lot of the carbon dioxide or other harmful gases is reduced, the interior of the kiln can reach the higher temperature, the ceramic performance is increased, and the craft art characteristics is improved. Compared with the current common gas kiln in the market, not only the safety is improved, but also the exhaust emission is reduced, the atmosphere generation and the internal temperature control of the kiln are independent mutually, the user operation is simple and convenient, and the rate of the ceramic finished products is greatly improved.

Description

technical field [0001] The invention relates to a ceramic firing kiln with controllable firing atmosphere, which belongs to the technical field of ceramic firing. Background technique [0002] At present, the firing temperature of high-temperature process ceramics is mostly in the range of 1200 ° C to 1350 ° C. According to the firing requirements of different ceramics, the atmosphere of ceramic firing needs to be controlled. For example, most of the existing reducing atmosphere firing porcelain needs to be fired at 980 ° C to 1020 The conversion from oxidizing atmosphere to reducing atmosphere is completed between ℃ (Note: The nature of the firing atmosphere is determined by the percentage of free oxygen and reducing components contained in the fuel product in the kiln. Generally, the firing atmosphere can be divided into oxidizing There are two kinds of atmosphere and reducing atmosphere. The free oxygen content of 8% to 10% is called a strong oxidizing atmosphere, the fre...

Claims

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Application Information

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IPC IPC(8): F27B5/04F27B5/14F27B5/18
CPCF27B5/04F27B5/14F27B5/18F27M2003/04F27M2001/1504
Inventor 王琤张松赵波张辉杨锐
Owner 杭州志在材料科技有限公司
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