Sludge drying rotary kiln
A sludge drying and rotary kiln technology, applied in the field of rotary kiln, can solve the problems of poor sludge dispersion effect, low thermal efficiency of rotary kiln and high energy consumption, achieve good drying effect, improve drying water removal efficiency and energy consumption low effect
Active Publication Date: 2022-05-06
JIANGSU PENGFEI GROUP
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Problems solved by technology
[0003] The embodiment of the present application provides a sludge drying rotary kiln to solve the problems of poor dispersion of sludge in the existing rotary kiln, low thermal efficiency and high energy consumption of the rotary kiln
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[0022] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.
[0023] see figure 1 and figure 2 , figure 1 It is a schematic diagram of a sludge drying rotary kiln according to an embodiment of the present application, figure 2 It is a partial schematic diagram of a sludge drying rotary kiln according to an embodiment of the present application. As shown in the figure, the sludge drying rotary kiln 1 includes a rotary kiln body 2 , a hot flue gas pipeline 3 , a high-temperature flue gas generating device 4 , an anti-sticking wall chain group 5 , a feeding device 6 and a transmission device 7 . The inside of the rotary kiln shell 2 is divided into a direct mixing drying section 201 and an indirect contact drying section 202 . Specifically, as figure 2 As shown, the rotary kiln shell 2...
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The sludge drying rotary kiln comprises a rotary kiln barrel, a hot flue gas conveying pipeline, a high-temperature flue gas generating device, an anti-wall-sticking chain set, a feeding device and a transmission device. The interior of the rotary kiln cylinder is divided into a direct mixing drying section and an indirect contact drying section. One end of the rotary kiln cylinder is provided with a feeding port and a smoke outlet cover, and the other end of the rotary kiln cylinder is provided with a discharging cover. The hot flue gas conveying pipeline is arranged on the inner wall of the rotary kiln cylinder and located on the indirect contact drying section. The high-temperature flue gas generating device is arranged on one side of the discharging cover, penetrates through the discharging cover and is connected with the hot flue gas conveying pipeline. The anti-wall-sticking chain set is hung on the inner wall of the rotary kiln barrel and located on the direct mixing and drying section. The feeding device is arranged on one side of the rotary kiln barrel and comprises a stock bin and a feeding piece, and the feeding piece is arranged below the stock bin. And the transmission device is connected with the rotary kiln barrel. The sludge drying device is suitable for drying sludge with high water content and is good in drying effect, high in heat efficiency and low in energy consumption.
Description
technical field [0001] The application relates to a rotary kiln, in particular to a sludge drying rotary kiln. Background technique [0002] Traditional rotary kilns are mostly used for drying building materials and chemical materials such as lime powder and cement powder with low moisture content, poor viscosity, and relatively loose. The above materials can be effectively sprinkled and dispersed in the rotary kiln, and are not easy to agglomerate. However, the water content and properties of the dewatered sludge produced by the existing municipal sewage treatment plants in my country change with the seasons and the operating parameters of the water plant. The water content is high and the range of change is large (75%-85%). The sludge rolls in lumps in the rotary kiln, cannot be well dispersed, and finally sticks into large lumps of sludge, which seriously affects the drying effect of the sludge by the rotary kiln, and the thermal efficiency of the rotary kiln is low and t...
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IPC IPC(8): F27B7/34F27B7/32F27B7/36F27B7/26F27B7/33F27D17/00C02F11/13
CPCF27B7/34F27B7/36F27B7/3205F27B7/26F27B7/33F27D17/002C02F11/13Y02P10/25
Inventor 李刚施鹏宇何良进
Owner JIANGSU PENGFEI GROUP