Tail gas cyclic utilizing device during calcium carbonate processing

A technology of exhaust gas circulation and calcium carbonate, applied in swirling devices, cleaning methods and utensils, removal of smoke and dust, etc., can solve the problem of dust flying at the discharge port, and achieve the effect of not consuming energy, reducing flying losses, and reducing load

Inactive Publication Date: 2017-02-22
NEWORLD PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In order to solve the above technical problems, the present invention provides a tail gas recycling device in calcium carbonate processing. While using the principle of cyclone dust suction to extract fine powder, the device always maintains a negative pressure inside, which solves the problem of flying dust at the discharge port. Reduce the loss of flying dust, reduce environmental pollution, and improve the overall classification effect of the airflow classifier

Method used

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  • Tail gas cyclic utilizing device during calcium carbonate processing
  • Tail gas cyclic utilizing device during calcium carbonate processing

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Embodiment Construction

[0017] Such as figure 1 , figure 2 As shown, a tail gas recycling device in calcium carbonate processing includes a frame 1, and the frame 1 is equipped with a classifier 3, a centrifugal fan 8, a dust collector 12, and a cyclone separator 9, and the classifier 3 passes through the return air duct 6 Connect the centrifugal fan 8, the centrifugal fan 8 is connected to the dust collector 12 through the pipeline, the dust collector 12 is connected to the cyclone separator 9 through the return air pipeline 17, the cyclone separator 9 is connected to the classifier 3 through the pipeline, and the cyclone separator 9 is connected to the warehouse pump 13 .

[0018] The return air duct 17 is connected to the bin pump 13 through the rotary unloading valve 15 and the iron remover 14 .

[0019] The return air duct 17 is provided with a secondary elutriation damper 16 .

[0020] The classifier 3 is provided with a classifying inlet 2, and a classifying chamber 4 is arranged inside it...

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Abstract

A tail gas cyclic utilizing device during calcium carbonate processing comprises a rack which is provided with a grading machine, a centrifugal fan, a dust remover and a cyclone separator; the grading machine is connected with the centrifugal fan through an air returning pipeline; the centrifugal fan is connected with the dust remover through a pipeline; the dust remover is connected with the cyclone separator through an air returning pipeline; the cyclone separator is connected with the grading machine through a pipeline; and the cyclone separator is connected with a storehouse pump. According to the tail gas cyclic utilizing device during calcium carbonate processing, a negative pressure state is kept in the device all the time while fine powder is extracted on the basis of the cyclone dust suction principle, , the dust flying problem of an unloading port is solved, the dust flying losses are reduced, the environment pollution is reduced, and the overall grading effect of the airflow grading machine is improved.

Description

technical field [0001] The invention relates to a tail gas recycling device in calcium carbonate processing, which relates to the field of ore powder processing. Background technique [0002] During the processing of the calcium carbonate grading system, a large amount of tailing powder and gas will be generated, but at present, they are directly discharged into the atmosphere through induced draft fans, causing dust to spread everywhere and pollute the surrounding environment. Does not meet the current energy conservation and environmental protection requirements. In addition, the application of calcium carbonate in food also requires a clean production environment and a dusty environment, which is not conducive to human health and has a great impact on the quality of food processing. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a tail gas recycling device in calcium carbonate processing. While using th...

Claims

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Application Information

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IPC IPC(8): B04C9/00B08B15/04
Inventor 张学怀张海林欧阳万东
Owner NEWORLD PHARMA
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