Novel coke oven gas regulating device

Abstract

The invention relates to the field of coke oven gas, in particular to a novel coke oven gas regulating device for controlling the flow rate of the coke oven gas entering a coke oven combustor. The coke oven gas regulating device comprises a reducing cross, a shaped steel pipe, a nozzle, an outer square pipe cap, an outer square pipe plug and a movable joint, and is characterized in that the shaped steel pipe and the air inlet end of the nozzle are provided with horn mouths; the air outlet end of the nozzle is provided with a horn mouth, so that the length at the position where the diameter of the nozzle is minimum is between 1 and 3 millimeters. The shaped steel pipe and the nozzle adopt a pressed and close contact mode. The novel coke oven gas regulating device has the advantages that: the structure is reasonable and the effect is remarkable, and resistance loss generated when a gas passes through the regulating device is reduced effectively; oil tar in the gas is prevented from depositing on the nozzle, so that the flow rate of the gas flowing through the nozzle is stable; the oil tar between the shaped steel pipe and the nozzle is not easy to deposit, and the nozzle is convenient to disassemble and replace; and the pipe cap is prevented from knocking heads to cause personal injury because that the space and the height of basement are not enough so as to enhance the security.

Description

technical field [0001] The invention relates to the field of coke oven gas, in particular to a novel coke oven gas regulating device for controlling the flow of coke oven gas entering a coke oven combustion chamber. Background technique [0002] When coke oven gas is used for coke oven heating, coke oven gas enters the coke oven combustion chamber for combustion through the basement gas main pipe, branch pipe, regulating cock, orifice box, exchange cock, and coke oven gas regulating device. The coke oven gas regulating device mainly Used to control the coke oven gas flow into the combustion chamber. [0003] The nozzle in the coke oven gas regulating device plays a key role in controlling the gas flow. When the coking time of the coke oven or the gas flow required by the coke oven changes, the nozzle of the regulating device needs to be replaced. Therefore, how to reduce the resistance , so that the air flow is stable, easy to install and replace is an important part of the...

AI Technical Summary

Problems solved by technology

[0005] 1. There is a sudden shrinkage resistance in the special-shaped steel pipe, and a sudden expansion resistance in the nozzle, which causes excessive resistance loss and consumes a lot of energy;

[0006] 2. The minimum aperture of the nozzle is too long, long-term use will cause the tar in the gas to condense into the nozzle, block the nozzle, and cause the airflow to become smaller;

[0007] 3. The installation between the special-shaped steel pipe and the nozzle adopts the sleeve type, and there is a gap. Long-term use will cause tar in the gas to deposit in the gap, making the nozzle difficult to disassemble and replace;

[0008] 4. The lower part of the outer pipe cap has pointed protrusions, which are prone to collision accidents when workers walk around in the basement, causing potential safety hazards

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