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Dynamic regulation measures for dry gas holder

2022-12-29 16:53:20
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When the demand of each gas user is normal, by adjusting the new regulating valve of the main inlet pipe of the gas holder at any time, we can make full use of the temporary surplus of coal gas caused by the normal fluctuation of the user's consumption (such as the reduction of the consumption when the steel rolling system changes the roll) on the premise of ensuring that the pressure of the pipe network meets the user's requirements, so that the gas holder can swallow more gas and operate within the upper limit. When the supply of gas temporarily exceeds the demand, properly turn down (or even completely close) the valve to ensure that the pressure of the pipe network is basically stable; If the gas storage in the wet cabinet is insufficient, the dry type
Cabinet supplement. When the supply of coke oven gas is less than the demand, and the gas holder reserve is not replenished in time and approaches the lower limit, the gas holder can be replenished by arranging some users to stop gas for maintenance.
It should be noted that before the overhaul of major users, the reserves of four gas tanks should be appropriately reduced (let users consume them in advance) according to the overhaul time and gas balance, so as to avoid the release of coke oven gas due to late use during the overhaul. It should also be noted that in case of major abnormality in the system, which leads to a sharp drop in the pressure of coke oven gas, the valve in front of the purification system should be closed immediately, and the new valve should be opened at the same time, and the dry cabinet should be used to supply gas back to the pipe network to ensure the safety of the coke oven gas system.
The above improvements add more means of regulation, especially the mutual support of various gases, the role of gas holders has been more fully criticized, and the pressure of the pipe network is also more stable.


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