Rotary kiln
A rotary kiln and rotary cylinder technology, applied in the field of rotary kiln, can solve the problems affecting the overall quality of the product, inability to feed materials, etc., to achieve good overall quality, avoid over-burning or over-reaction, and improve the effect of chemical reaction.
Inactive Publication Date: 2012-07-18
CISDI ENG CO LTD
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Problems solved by technology
We know that some production processes are not suitable for all raw materials to enter from the end of the rotary kiln, but need to be added from somewhere in the middle of the rotary kiln in order to better realize the chemical reaction or the best treatment of raw materials
However, due to the rotation characteristics of the rotary kiln body, the current rotary kiln cannot effectively feed materials from the middle
However, the current situation that all raw materials are fed from the end has caused over-burning or over-reaction of some raw materials that are not suitable for end-feeding in the rotary kiln, thus affecting the overall quality of the final product
Method used
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[0018] figure 1 It is a schematic diagram of the overall structure of the rotary kiln of the present invention; figure 2 for figure 1 Schematic diagram along the A-A direction; image 3 It is a schematic diagram of the structure of the intermediate feeding device; Figure 4 It is a schematic diagram of the cooperation between the switch board and the guide chute; Figure 5 for image 3 Schematic diagram of the middle switch board along the B-B direction.
[0019] As shown in the figure, the rotary kiln in this embodiment includes a rotary cylinder 1, an intermediate feed bin 2 arranged under the rotary cylinder 1 and an intermediate feeding device arranged on the rotary cylinder 1;
[0020] The intermediate feeding device includes a feed pipe 3 fixedly arranged on the rotary cylinder 1, the feed end of the feed pipe 3 extends into the intermediate bin 2, and the discharge end of the feed pipe 3 extends into the rotary cylinder 1 , and the feeding end of the feeding pipe...
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The invention discloses a rotary kiln, which comprises a rotary tube body, a middle material cabin and a middle material inlet device. The middle material inlet device comprises a material inlet tube, a material inlet end of the material inlet tube extends into the middle material cabin, a material discharging end of the material inlet tube extends into the rotary tube body, a material inlet is arranged on the material inlet tube, guiding sliding chutes are arranged on two sides of the material inlet, switch insert boards are arranged in the guiding sliding chutes, sliding blocks are arrangedat the end portions of the switch insert boards, curve guiding rails matched with the sliding blocks in sliding mode are arranged in the middle material cabin, and the switch insert boards can open or close the material inlet along with along with the sliding blocks in sliding in the curve guiding rails. The rotary kiln can achieve adding materials in the rotary tube body on the middle portion ofthe rotary tube body through the middle material cabin and the middle material inlet device, accordingly can meet requirements for material adding of different processes, can avoid overburning or overreacting of raw materials unsuitable for material adding at ends in the rotary kiln, further leads the materials to generate better chemical reactions or to be better treated in the rotary kiln and can well ensure integral quality of final products.
Description
technical field [0001] The invention relates to a mechanical device, in particular to a rotary kiln. Background technique [0002] In many production industries such as building materials, metallurgy, chemical industry, and environmental protection, rotary kilns are widely used for mechanical, physical or chemical treatment of solid materials. The current rotary kiln generally feeds material from one end of the kiln and discharges it from the other end. The material moves forward in the kiln depending on the inclination of the rotary kiln and the rotation of the kiln. We know that some production processes are not suitable for all raw materials to enter from the end of the rotary kiln, but need to be added from somewhere in the middle of the rotary kiln in order to better realize the chemical reaction or the best treatment of raw materials. However, due to the rotation characteristics of the rotary kiln body, the current rotary kiln cannot effectively feed materials from th...
Claims
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IPC IPC(8): F27B7/02F27B7/32
Inventor 陈继辉
Owner CISDI ENG CO LTD