A converter gas recovery and utilization system and process
A converter gas and process technology, which is applied in the converter gas recycling system and process field, can solve problems such as converter gas waste, energy waste, and cumbersome management, and achieve the effects of reducing secondary pressure, increasing outlet pressure, and saving investment
Active Publication Date: 2018-04-24
BERIS ENG & RES CORP
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Problems solved by technology
[0004] The existing converter gas recovery process wastes the sensible heat of converter gas whether it is wet dust removal or dry dust removal; and in order to reduce the temperature of the gas, a large amount of water is injected into the gas, causing the calorific value of the gas to be affected by the contained water vapor. The waste of energy is very serious; at the same time, the gas also requires secondary pressurization, the process system is complicated, and the management is cumbersome
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[0013] In order to better understand the purpose, structure and function of the present invention, a converter gas recovery and utilization system and process of the present invention will be further described in detail below in conjunction with the accompanying drawings.
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The invention discloses a converter gas recycling process, comprising the following steps: removing dust from the converter gas; pressurizing the dust-removed converter gas, which can be directly pressurized to the pressure required by the user; Condition detection is carried out, the converter gas that meets the recovery conditions is transported to the user through the pipeline, and the converter gas that does not meet the recovery conditions is released; the intermittent recovery of the converter gas and the unbalanced amount of use are buffered by a high-pressure gas tank, and the gas tank is set in the connection on the user's pipeline. The present invention improves the outlet pressure of the dust removal system and adopts a relatively high-pressure gas cabinet, which meets the requirements of conventional users; when the gas cabinet is connected in series, it reduces the secondary pressurization of the gas, saving investment and facilitating management; the gas cabinet is connected in parallel. It has the characteristics of series access and can supply part or all of the hot gas to users, saving energy and reducing consumption.
Description
technical field [0001] The present invention relates to a converter gas recovery and utilization system and process, more specifically, to a converter gas recovery and utilization system and process in which the converter gas is directly sent to the user through a delivery pipeline without secondary pressurization. Background technique [0002] Converter gas is a gaseous fuel with medium calorific value in iron and steel enterprises. It can be used alone as a fuel for industrial kilns, and can also be used in combination with coke oven gas, blast furnace gas, and producer gas to form a variety of mixed gas with different calorific values. [0003] At present, the production of the converter is an intermittent production system, and the smelting time of each furnace is 30-40 minutes, of which the gas recovery time is 10-12 minutes. Converter gas dust removal is divided into wet dust removal and dry dust removal. Among them, the principle of wet dust removal is the water washi...
Claims
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IPC IPC(8): C21C5/40
CPCC21C5/40C21C2100/02C21C2100/06
Inventor 邱建宏
Owner BERIS ENG & RES CORP