Quenching chamber device
A technology of quenching chamber and filtering device, which is applied in the direction of granular/powder fuel gasification, etc., can solve the problems of threatening the safe operation of the gasifier and blocking the quenching chamber.
Active Publication Date: 2014-05-28
CHANGZHENG ENG
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Problems solved by technology
[0003] During the engineering operation, it was found that the crude synthesis gas generated by the reaction of the gasifier carried a lot of fine ash during the flow in the quenching chamber, and the fine ash was easily deposited on the joints of the parts in the quenching chamber or the furnace wall under the wetting of water and the action of gravity. Because the wet fine ash has a certain viscosity and tends to grow continuously, and generally will not automatically fall into the slag pool under the action of gravity, when the ash accumulates to a certain extent, it will directly affect the air flow in the quenching chamber, and in severe cases it will The quench chamber is blocked, which threatens the safe operation of the gasifier
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Embodiment 1
[0018] The water suction port 7 is set under the liquid level of the slag pool 1, and the water suction port 7, the filter device 6, the slag water pump 5 and the water spray pipe 4 are connected through pipelines, and the slag water is continuously sucked into the pipeline from the water suction port 7 under the action of the slag water pump 5 , after passing through the filter device 6, it is transported to the water spray pipe 4 to be sprayed out, and a water flow is formed in the position where there is a tendency to accumulate dust in the quenching chamber, thereby avoiding accumulation of dust. Filters can be switched as needed during operation to ensure stable operation of the device.
[0019] In addition to being set at the position shown in the figure, the water spray pipe can also be set at any position in the quenching chamber that tends to accumulate dust, so as to avoid dust accumulation under the continuous flushing of water.
[0020] Since the initial operation ...
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The invention provides a quenching chamber device capable of preventing ash deposition. The device comprises a slag bath, a furnace shell and a downcomer, and is characterized by also comprising a shower pipe, a water pump arranged outside a furnace and a suction port, wherein the suction port, the water pump and the shower pipe are connected through a pipeline. According to the device, water in the slag bath is continuously sucked through the suction port, and is delivered to the shower pipe for spraying, so that the ash deposition in a quenching chamber is avoided by continuous flushing of the water.
Description
technical field [0001] The invention relates to a quenching chamber device, in particular to a quenching chamber device used in an entrained bed gasification furnace which can prevent dust accumulation. Background technique [0002] Entrained bed gasification technology is an advanced coal gasification technology. The core device of this technology is the gasifier. The quench chamber is an important part of the gasifier. The performance of the quench chamber is directly related to whether the gasifier can run stably for a long period. [0003] During the engineering operation, it was found that the crude synthesis gas generated by the reaction of the gasifier carried a lot of fine ash during the flow in the quenching chamber, and the fine ash was easily deposited on the joints of the parts in the quenching chamber or the furnace wall under the wetting of water and the action of gravity. Because the wet fine ash has a certain viscosity and tends to grow continuously, and gen...
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IPC IPC(8): C10J3/48
Inventor 王明坤信伟李红海高瑞恒陈永进李晓飞姚瑶
Owner CHANGZHENG ENG