Chlorinated polyethylene drying process

A technology of chlorinated polyethylene and drying process, which is applied in the field of drying process, and can solve the problems of easy fluctuation of product water content, high labor intensity of workers, and small output of fluidized bed, so as to achieve stable product water content and reduce labor intensity of workers , the effect of temperature stabilization

Active Publication Date: 2007-01-03
SHANDONG TIANLI DRYING TECH & EQUIP
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Problems solved by technology

The fluidized bed has to go through a heating and cooling process in the drying process of each batch, which is a serious waste of energy. At the same time, the b...

Method used

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  • Chlorinated polyethylene drying process

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] figure 1 Among them, the heat source of the drying system adopts hot air, and the first-level drying: the wet material is fed into the pulse air dryer 14 by the conveying auger 15, and the dry air is filtered through the 2# air filter 17, and the 5# steam heat exchanger 16 The heat-exchanging high-temperature air is fully contacted, and the material is initially dried in the pulse airflow dryer 14, and enters the fluidized bed dryer 8 through the corresponding air shutoff devices 18 at the bottom of the cyclone dust collector II12 and cyclone dust collector I13, and the exhaust gas passes through the induced draft fan. 11 After pressurization, it is emptied by the emptying pipe.

[0023] Secondary drying: The material after primary pre-drying is fed into the fluidized bed dryer 8 through the air locker 18 through the slide pipe. The air is filt...

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Abstract

The present invention discloses one chlorinated polyethylene drying process. The chlorinated polyethylene drying process with hot air as drying medium includes the first stage of pulse airflow drying and the second stage of fluidized bed drying to dry chlorinated polyethylene with 30-55 % water content into product with 0.3 % below water content. The present invention has simple drying apparatus, high heat efficiency, low water content in product and other advantages.

Description

technical field [0001] The invention relates to a drying process, in particular to a chlorinated polyethylene drying process. Background technique [0002] As we all know, when chlorinated polyethylene is dried, hot air is used as the drying medium. At present, intermittent fluidized bed is usually used for drying. Intermittent fluidized bed adopts batch drying method. Cooling, discharging and other processes. The fluidized bed has to go through a heating and cooling process in each batch of drying process, which is a serious waste of energy. At the same time, the output of the batch fluidized bed is small, and it cannot be enlarged. The labor intensity of the workers is high, and the water content of the product is easy to fluctuate. Contents of the invention [0003] The object of the present invention is exactly to overcome above-mentioned deficiencies in the prior art, provide a kind of chlorinated polyethylene drying process that has advantages such as thermal effici...

Claims

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Application Information

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IPC IPC(8): C08F6/26B29B13/06
Inventor 柴本银邢召良彭丽华苗帅梁国林苗楠曹明见牛振国
Owner SHANDONG TIANLI DRYING TECH & EQUIP
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