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Method for filling and adding bentonite in procedure for producing ball

A production process and technology of bentonite, applied in the field of pellet production, can solve problems such as the reduction of the green ball formation rate, and achieve the effects of increasing the ball formation rate, reducing the drying time, and increasing the output of the pellets.

Inactive Publication Date: 2007-07-25
攀枝花钢城集团有限公司球团厂
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  • Abstract
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Problems solved by technology

[0003] In order to solve the problem of lowering the pelleting rate caused by the bentonite compounding method in the prior art, the present invention provides a bentonite compounding method in the pellet production process

Method used

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  • Method for filling and adding bentonite in procedure for producing ball

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Embodiment Construction

[0013] After the raw material ingredients for preparing pellets are sent to the batching belt 3 through the material feeding bin 1, a certain proportion of bentonite is added to the tail of the same batching belt 3 through the feeding bin 2, and then through the multiple transfers of the transfer belt 4, each The mixture of raw materials and auxiliary materials (hereinafter referred to as the mixture) can be roughly stirred, and then the mixture enters the dryer, and the rotating dryer makes the mixture be stirred, thrown up, and dropped by the lifting lever of the dryer. After fully mixing, it forms on the outside of the bentonite. One layer of material protection layer, the performance of bentonite remains unchanged when it is dried. After the drying process, the mixture forms a large number of various ball cores and powders, and obtains an appropriate amount of water.

[0014] The mixture of ball core and powder is transported by the belt conveyor into the grinding process, ...

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Abstract

This invention discloses a method for adding bentonite during pellet production. The method comprises: preparing the raw materials of pellets, adding bentonite before the drying process, mixing the raw materials with bentonite, stirring to form a protective layer on bentonite, and palletizing. The protective layer can protect the properties of bentonite at high temperatures. Due to high adhesiveness of bentonite, the pelletization rate is increased.

Description

technical field [0001] The invention relates to pellet production technology, in particular to a method for compounding bentonite in the pellet production process. Background technique [0002] In the production process of pellets, bentonite is added to the raw materials for pellet production because of its excellent bonding properties. The addition of bentonite can improve the strength of green and dry balls. Ball formation plays a vital role. In the existing technology, bentonite is generally added to the surface of the material through a hopper. The bentonite and the material are basically layered. The ball forming rate of the green ball is largely limited by the mixing effect of the bentonite and the material and the ball forming rate. speed. At present, many pellet manufacturers add bentonite after the dryer. Because the interior of bentonite is loose and has a layered structure, it not only absorbs water on the surface, but also absorbs a certain amount of water betw...

Claims

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Application Information

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IPC IPC(8): C22B1/243
Inventor 覃金平程林森黄璞朱洪兴任朝成
Owner 攀枝花钢城集团有限公司球团厂
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