Dry quenched waste gas generating and coke modifying device

Abstract

The invention discloses a dry quenched waste gas generating and coke modifying device, which comprises a dry quenching device and a coke modifying device, wherein the dry quenching device is arranged under a flame path arch and comprises a high-temperature coke quenching chamber, a low-temperature coke quenching chamber, a coke quenching bridge arch and a coke quenching waste gas fan; and the coke modifying device is positioned on the flame path arch in a furnace body, and comprises a coke modifying chamber formed at the lower part of a carbonization chamber, the lower part of a main internal flame path, and a lower-section auxiliary internal flame path, a central ring wall is surrounded to form the lower part of a high-temperature combustible waste gas inlet channel of a central channel, the lower part of the central ring wall is provided with a combustible waste gas inlet hole communicating the high-temperature combustible waste gas inlet channel with the main internal flame path and the lower-section auxiliary internal flame path, and the top of the high-temperature coke quenching chamber of the dry quenching chamber is communicated with the high-temperature combustible waste gas inlet channel of the coke modifying device. According to the device, combusted waste gas is firstly dry quenched to generate the high-temperature combustible waste gas, coke is modified by waste heat of the high-temperature combustible waste gas, additional energy-consuming devices are not needed, and the coking cost is reduced.

Description

technical field [0001] The invention relates to a device for generating combustible high-temperature waste gas and coke reforming, in particular to a dry quenching waste gas generation and coke reforming device. Background technique [0002] At present, most coal pyrolysis furnaces (coke ovens) on the market adopt batch-type coking, and the process steps such as the proportion of coal into the furnace, dehydration, coal feeding, preheating, carbonization, coke reforming, and CDQ are relatively independent and cannot be carried out. Continuous production, low production efficiency; In addition, the raw coal gas produced in the coal pyrolysis process contains many useful components, such as H 2 S, HCH and other acid gases, NH 3 Alkaline gas, tar, benzene, naphthalene, washing oil and other organic substances do not have a complete process for exporting, recovering and purifying raw gas. [0003] This impels the inventors to explore and innovate a complete set of continuous c...

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Problems solved by technology

[0002] Most coal pyrolysis furnaces (coke ovens) currently on the market adopt batch-type coking. Coke upgrading, dry quenching and other process steps are relatively independent, continuous production cannot be carried out, and production efficiency is low; in addition, the raw coal gas generated during coal pyrolysis contains many useful components, such as H2S , HCH and other acid gases, NH3 basic gas, tar, benzene, naphthalene, washing oil and other organic substances, there is no complete process for exporting, recycling and purifying raw gas

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