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Semi coke dewatering device and method

A dehydration device and technology of semi-coke, which is applied in the direction of drying gas arrangement, dryer, lighting and heating equipment, etc., can solve the problems of severe powdering of semi-coke particles, large one-time investment, poor operability, etc., and achieve the dehydration method Simple, easy to operate, low investment cost, easy to operate

Active Publication Date: 2015-01-28
府谷县奥维加能焦电化工有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are disadvantages in the rotary kiln process: the semi-coke particles are severely pulverized, which wastes raw materials; it can only be dried with high-temperature gas (>700°C)
The residence time of the material in the rotary kiln is too short; the operability is poor
The production capacity is small, and the one-time investment is too large

Method used

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  • Semi coke dewatering device and method

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0033] see figure 1 , a semi-coke dehydration device, including a fan 1, the outlet of the fan 1 is connected to several air inlets on the side wall of the cylindrical dryer 3 and the air inlet at the bottom through pipelines, and the top of the cylindrical dryer 3 is arranged There is a material inlet, and a star feeder 2 is arranged at the inlet; a water-containing blue-coke storage bin 8 is arranged at the upper end of the cylindrical dryer 2, and the water-containing blue-coke storage bin 8 passes through the feeder 2 and the cylindrical dryer. The upper end inlet of 3 is connected, and the outlet of the lower end of cylindrical dryer 3 is connected with the inlet of discharge machine 4, and the outlet of discharge machine 4 is connected with dry semi-coke storage bin 9 through belt conveyor 6. The upper part of the cylindrical dryer 3 is also connected with a 5...

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Abstract

The invention relates to a semi coke dewatering device and method. The semi coke dewatering device comprises a fan. The outlet of the fan is connected with an air inlet in the bottom of a vertical cylindrical dryer through a pipeline. A feed inlet is formed in the top of the cylindrical dryer. A discharge outlet is formed in the bottom of the cylindrical dryer. A plurality of air inlets are further formed in the lateral wall of the cylindrical dryer. An air outlet pipe is arranged at the top of the cylindrical dryer. Due to the fact that the cylindrical dryer is vertical, feeding is performed from the upper end, discharging is performed from the lower end, semi coke materials in the cylindrical dryer has no relative displacement, no friction and collision exist among semi coke particles, the semi coke particles do not collide with the dryer body, powder is not generated, and loss caused by the fact that a large amount of powder is generated during semi coke drying is avoided. The semi coke materials in the cylindrical dryer can stay for a long time, the staying time can be controlled optionally, and semi coke contained water can be dried by using low-temperature hot air at the temperature above 150 DEG C.

Description

technical field [0001] The invention belongs to the technical field of semi-coke application, and in particular relates to a semi-coke dehydration device and a dehydration method. Background technique [0002] Blue carbon is widely used as a reducing agent in submerged arc furnaces. Such as calcium carbide, ferroalloy, ferrosilicon, etc. It is required to maintain a certain particle size in use, so that the CO gas generated after reduction can escape without focusing in the material; at the same time, the blue coke used as a reducing agent should have a low water content to avoid or reduce the water content in the submerged arc furnace. A large amount of electrolysis produces H 2 and O 2 . (The decomposition of water in the submerged arc furnace is a side reaction, which not only greatly increases the power consumption, but also has a large amount of O 2 Gas generation can easily cause the gas produced by reduction to reach the explosion limit. Take the production of c...

Claims

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Application Information

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IPC IPC(8): F26B17/00F26B21/00
Inventor 王大林贾翔平赵云飞王振福柳晓东云拴成张举
Owner 府谷县奥维加能焦电化工有限公司
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