Pneumatic-electric roller kiln
A roller kiln, gas-electric technology, applied in the direction of furnace type, furnace, ceramic material production, etc., can solve the problems of poor control of kiln temperature difference, kiln body design should not be too large, large power load, etc., to achieve energy consumption Reduce, reduce the loss of heat energy, reduce the effect of flue gas emissions
Inactive Publication Date: 2015-04-29
HUBEI XISHUI KEMEI MACHINERY
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Problems solved by technology
[0002] At present, traditional roller kilns are generally heated by gas or electric heaters. The biggest disadvantage of gas furnaces is that the heat energy taken away by flue gas accounts for more than 10-20% of the total energy consumption. The disadvantages of all electric heaters are: 1. Because the air flow in the kiln is slow, the wider the kiln body, the more difficult it is to control the temperature difference; 2. The design of the kiln body should not be too large, otherwise the area with severe power consumption will face a large power load and be subject to power supply
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[0013] see figure 1 -4. The present invention has a thermal insulation kiln body. The kiln body is divided into a preheating section 1, a firing section 2, and a cooling section (omitted in the figure, generally connected to the right end). The kiln body is equipped with a transmission roller device 6. 1 There is a row of twelve equally spaced heaters installed in the lower part of the kiln body, and the upper and lower rows of twelve equally spaced heaters are installed in the firing section 2 in the kiln body, especially: The heaters in the preheating section 1 and the firing section 2 include two kinds of heaters, gas burners 4 and electric heaters, the two heaters are arranged alternately in each row, and two adjacent gas burners 4 are respectively They are arranged staggeredly on the left and right sides of the kiln body.
[0014] In this embodiment, the distance between two heaters is 50-80 mm, specifically 60 mm.
[0015] The electric heater in this embodiment is comp...
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The invention relates to the industry kiln stove improvement technology, in particular to a pneumatic-electric roller kiln. The pneumatic-electric roller kiln comprises a heat-insulating kiln body which is divided into a preheating section, a sintering section and a cooling section. A driving roller device is mounted in the kiln body; the preheating section is positioned on the lower portion of the kiln body, and a row of heaters arranged at intervals are mounted on the preheating section; the sintering section is positioned in the kiln body, and an upper row of heaters and a lower row of heaters are mounted on the sintering section, wherein each row of heaters are arranged at intervals. The pneumatic-electric roller kiln is characterized in that the heaters of the preheating section and the sintering section include fuel gas nozzles and electric heaters, the two kinds of heaters are in staggered arrangement in each row, and every two adjacent fuel gas nozzles are in staggered arrangement on the left side and the right side of the kiln body. The pneumatic-electric roller kiln has the advantages that flue gas emission is reduced substantially, heat energy loss is reduced effectively, energy conservation effect is obvious, and the pneumatic-electric roller kiln is mainly applied to ceramic industry production.
Description
technical field [0001] The invention relates to an improvement technology of an industrial kiln, in particular to a gas-electric mixed roller kiln. Background technique [0002] At present, traditional roller kilns are generally heated by gas or electric heaters. The biggest disadvantage of gas furnaces is that the heat energy taken away by flue gas accounts for more than 10-20% of the total energy consumption. The disadvantages of all electric heaters are: 1. Because the air flow in the kiln is slow, the wider the kiln body, the harder it is to control the temperature difference; 2. The design of the kiln body should not be too large, otherwise the area with severe power consumption will face a large power load and be subject to power supply. Contents of the invention [0003] The purpose of the present invention is to overcome the respective shortcomings of the two roller kilns heated by gas heating or electric heaters, and integrate the advantages of both to provide a g...
Claims
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IPC IPC(8): F27B9/36
CPCY02P40/60
Inventor张向华
OwnerHUBEI XISHUI KEMEI MACHINERY