Ammonium sulfate heat conductive oil drying method

A drying method and heat transfer oil technology, which are applied in the direction of heating to dry solid materials, dry solid materials, and dry gas layout, etc., can solve problems such as uneconomical, unrecyclable, and unenvironmental protection, so as to eliminate the generation and reduce waste liquid. The effect of eliminating steam condensate

Inactive Publication Date: 2007-10-10
SHANDONG IRON & STEEL CO LTD
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Problems solved by technology

Moreover, steam is a one-time energy source, which is neither economical nor environmentally friendly, and cannot be recycled

Method used

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  • Ammonium sulfate heat conductive oil drying method

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Embodiment Construction

[0011] As shown in the picture. The overall steps of the ammonium sulfate drying method are:

[0012] The ammonium sulfate crystals discharged from the centrifuge are sent to the vibrating fluidized bed dryer by the screw pusher, and the cold air is heated by the hot air heater and then becomes hot air and passed into the fluidized bed to dry the ammonium sulfate crystals. After drying, it is cooled by the cold air sent by the cooling fan and then enters the ammonium sulfate storage hopper. The ammonium sulfate crystals coming down from the ammonium sulfate storage hopper are automatically weighed and packaged by the packaging machine and sent to the finished product warehouse.

[0013] The cold air heating is done via a heater.

[0014] The cold air heating technology is changed from steam heating to heat transfer oil and cold air. There are heat transfer oil inlet and oil return ports on the heater. It is heated to the specified temperature and enters the drying bed, whic...

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Abstract

A method of utilizing heat conduction oil to dry thiamine includes heat exchanging heat conduction oil with air and then leading heated air into fluidized bed to dry thiamine.

Description

technical field [0001] The invention relates to an ammonium sulphate drying method, which is especially suitable for the production process of heat conduction oil circulation heating in the coking industry. Background technique [0002] At present, the domestic industrial drying technology is mostly fluidized bed drying technology, which mainly uses heat exchange equipment to heat the cold air step by step through heat exchange, and then passes it into the fluidized bed to dry solid particles with hot air to obtain qualified products. The most widely used in the coking industry is the ammonium sulfate drying bed in the coking plant. The water on the crystals in the fluidized bed is taken away by hot air to obtain qualified ammonium sulfate products. [0003] Generally, the hot air used in the ammonium sulfate post fluidized bed in the existing process of the coking plant is to dry the ammonium sulfate crystals by heating the cold air sucked by the induced draft fan through s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B3/084F26B21/00
Inventor 朱玉廷康春清祝仰勇汪高春陆永斌张顺贤齐婳周波
Owner SHANDONG IRON & STEEL CO LTD
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