Tail gas treatment method and tail gas treatment device of vanadium-base alloy rotary kiln production line and application of tail gas treatment device

A tail gas treatment and rotary kiln technology, which is applied in the field of tail gas treatment and tail gas treatment devices of vanadium-based alloy rotary kiln production lines, can solve the problems of large amount of processed gas, poor continuity, and high cost, so as to reduce construction funds, reduce continuous production, The effect of reducing material dust loss

Inactive Publication Date: 2020-02-07
盐边县向阳钒业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current treatment method for the exhaust gas of the vanadium-based alloy rotary kiln production line is large in volume and poor in continuity, resulting in large investment and high cost

Method used

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  • Tail gas treatment method and tail gas treatment device of vanadium-base alloy rotary kiln production line and application of tail gas treatment device
  • Tail gas treatment method and tail gas treatment device of vanadium-base alloy rotary kiln production line and application of tail gas treatment device
  • Tail gas treatment method and tail gas treatment device of vanadium-base alloy rotary kiln production line and application of tail gas treatment device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] The tail gas treatment methods of the vanadium-based alloy rotary kiln production line include:

[0084] Carry out temperature regulation, dust removal and combustion treatment and fault treatment on the exhaust gas in sequence.

[0085] Wherein, the temperature control includes cooling and heating the tail gas in turn, so that the temperature of the tail gas entering the dust collector is adjusted to between 120-400°C before entering the dust collector; After being cooled by the heat exchanger, it is discharged into the atmosphere through the pipeline. When a fault occurs, the exhaust gas of the rotary kiln is switched to the emergency discharge channel instead of entering the exhaust gas treatment system.

Embodiment 2

[0087]The tail gas treatment method of the vanadium-based alloy rotary kiln production line is the same as that in Example 1, except that the temperature control includes controlling the tail gas temperature between 120-250°C.

Embodiment 3

[0089] The tail gas treatment method of the vanadium-based alloy rotary kiln production line is the same as that in Example 1, except that the temperature control includes controlling the tail gas temperature between 120°C and 200°C.

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Abstract

The invention provides a tail gas treatment method and a tail gas treatment device of a vanadium-base alloy rotary kiln production line and application of the tail gas treatment device and relates tothe technical field of tail gas treatment. The tail gas treatment method of the vanadium-base alloy rotary kiln production line includes the step that temperature regulating, dust removing and combustion treatment are conducted on tail gas in sequence, wherein in temperature regulating, the temperature of tail gas is controlled to be 120 DEG C to 480 DEG C. The tail gas treated through the methodcan meet the environment-friendly requirement, in addition, system building investment and material losses are reduced, and the cost is better reduced.

Description

technical field [0001] The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment method of a vanadium-based alloy rotary kiln production line, a tail gas treatment device and applications thereof. Background technique [0002] The production of vanadium-based alloys is carried out with a rotary kiln device, and its raw materials are mainly V 2 o 5 And the reducing agent containing C and other ingredients, these raw materials are processed, mixed and pressed into balls, the resistivity of the balls is different under different temperature conditions, according to this characteristic, using the movement law of the materials in the rotary kiln, the design Satisfy the kiln body structure and operating parameters of various physical and chemical reaction changes of materials, so as to produce qualified vanadium-based alloys. The tail gas of the rotary kiln used to produce vanadium-based alloys contains CO, CO 2 , N 2 , water vap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D17/00F23G7/06
CPCF23G7/065F23G2204/103F23G2209/14F27D17/00F27D17/008
Inventor 张勇曹俊坚
Owner 盐边县向阳钒业有限公司
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