Chilling device of gasification furnace
A gasifier and chilling technology, applied in the manufacture of combustible gas, petroleum industry, etc., can solve the problems of blockage of chilling device, fouling and blockage of chilling liquid channel, reduction of chilling liquid flow, etc., so as to reduce maintenance and repair costs. , prolong the service life, improve the effect of blockage
Pending Publication Date: 2021-08-24
CHANGZHENG ENG
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Problems solved by technology
[0003] Due to water quality and other factors, the quenching liquid channel inside the quenching ring is prone to fouling and blockage. If it cannot be cleaned in time, the flow rate of the quenching liquid will be reduced, heat transfer will deteriorate, and the quenching ring will be damaged, affecting the normal operation of the device. run
However, the quenching device in the prior art can only check and clean the impurities in the quenching liquid channel after the gasifier stops running, which leads to serious blockage or even damage to the quenching device without detection. chiller
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[0027] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.
[0028] "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. Words like "comprising" or "comprising" mean that the elements preceding the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, t...
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The embodiment of the invention provides a chilling device of a gasification furnace, which comprises a shell, a chilling ring, and a downcomer and a liquid inlet pipe which are communicated with the chilling ring; the chilling ring and the liquid inlet pipe form a chilling liquid channel, and the chilling device further comprises a flushing device, a monitoring device and a control device. The flushing device comprises a flushing pipe and a control valve arranged on the flushing pipe, and the flushing pipe is connected to the chilling ring or the liquid inlet pipe; the monitoring device is arranged on the liquid inlet pipe and is used for monitoring the blockage degree of the chilling liquid channel and acquiring a corresponding monitoring value; The control device is electrically connected with the control valve and the monitoring device; and the control device receives the monitoring value and sends an opening signal to a control valve of the flushing device when the monitoring value exceeds a preset threshold value, so that the flushing device can automatically and timely clean the chilling liquid channel when the chilling liquid channel is blocked. The device effectively improves the blockage condition of the chilling liquid channel, prolongs the service life of the chilling ring, reduces the maintenance and repair cost, and ensures the long-period safe and stable operation of the device.
Description
technical field [0001] The invention relates to a chilling device, in particular to a chilling device for a gasification furnace. Background technique [0002] During the coal gasification process, the high-temperature crude synthesis gas and slag generated in the gasifier at about 1500°C enter the quenching chamber for cooling and separation of gas and slag. The quenching ring is a key part of the quenching chamber. The function of the quenching ring is to quickly cool down the high-temperature crude syngas and slag and protect the downcomer from erosion and corrosion. [0003] Due to water quality and other factors, the quenching liquid channel inside the quenching ring is prone to fouling and blockage. If it cannot be cleaned in time, the flow rate of the quenching liquid will be reduced, heat transfer will deteriorate, and the quenching ring will be damaged, affecting the normal operation of the device. run. However, the quenching device in the prior art can only check...
Claims
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IPC IPC(8): C10J3/72
CPCC10J3/72
Inventor 李红海李振祥梁军辉高瑞恒陈永进刘品
Owner CHANGZHENG ENG