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Rotary kiln

A rotary kiln and rotary kiln technology, applied in the field of rotary kiln, can solve the problems of large kiln body area, low thermal efficiency, and ceramsite products are easy to break, so as to reduce the occupied area, increase the heat exchange area, and reduce the length Effect

Pending Publication Date: 2019-03-29
SHANDONG CHAMBROAD EQUIP MFG INSTALLATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing rotary kilns have defects such as low thermal efficiency, ceramsite products are easily broken, and the kiln body occupies a large area.

Method used

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Embodiment Construction

[0017] The present invention will be further explained below through non-limiting embodiments in conjunction with the accompanying drawings:

[0018] As shown in the figure, a rotary kiln includes a rotary kiln barrel 4, a kiln head 1, a kiln tail 8, and a transmission device that drives the rotary kiln barrel 4 to rotate. The kiln head 1 is set on the rotary kiln barrel through a sealing device 2 The head of 4 and the kiln tail 8 are set at the tail of the rotary kiln cylinder 4 through the sealing device 2. The rotary kiln shell 4 is inclinedly arranged, and the kiln tail 8 is higher than the kiln head 1. The two ends of the rotary kiln cylinder 4 are respectively supported by supporting rollers 9 arranged at the lower part of the rotary kiln cylinder 4. The rotary kiln cylinder 4 is covered with a tire belt 3 at a position corresponding to the supporting roller 9, and the supporting roller 9 is in contact with the tire belt 3. The transmission device for driving the rotary ki...

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Abstract

The invention discloses a rotary kiln. The rotary kiln comprises an inclined rotary kiln barrel, a kiln head arranged at the head portion of the rotary kiln barrel, a kiln tail arranged at the tail portion of the rotary kiln barrel, and a transmission device driving the rotary kiln barrel to rotate, wherein the kiln tail is higher than the kiln head, a burner is arranged inside the kiln head, anda feeding inlet and a smoke outlet are formed in the kiln tail. The rotary kiln is characterized in that refractory brick layers are piled on the inner wall of the rotary kiln barrel and at least comprise material flying structures formed by arch-shaped protrusions which protrude to the inner wall of the barrel in the axial direction of the barrel; and the arch-shaped protrusions of the material flying structures protrude out of the surfaces of the refractory brick layers on the side face. Materials inside the kiln are evenly roasted, the breakage rate of products can be reduced, the product performance is greatly improved, the heat exchange area between the products and hot airflow inside the rotary kiln barrel is increased, and the roasting efficiency of the haycite products is effectively improved.

Description

Technical field [0001] The invention relates to a rotary kiln, in particular to a rotary kiln for roasting fly ash ceramsite or sludge ceramsite. Background technique [0002] With the increasing production of fly ash and urban sludge from industrial solid waste, and the restricted mining of river sand and gravel, fly ash ceramsite and sludge ceramsite are replacing traditional building materials to solve this problem. [0003] An important process in the production of ceramsite is the roasting process, and most of the roasting process now uses a rotary kiln. Most of the existing rotary kilns have defects such as low thermal efficiency, easy breakage of ceramsite products, and large area of ​​the kiln body. Therefore, how to improve the thermal efficiency of the rotary kiln and how to improve the quality of the product is a key technology. Summary of the invention [0004] Aiming at the above-mentioned defects in the prior art, the present invention provides a rotary kiln with hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B7/02F27B7/42F27D1/04
CPCF27B7/02F27B7/42F27D1/04
Inventor 贵来全金鑫马士恒杜明亮
Owner SHANDONG CHAMBROAD EQUIP MFG INSTALLATION CO LTD
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