Production status monitoring method of coke oven carbonization chamber based on raw gas temperature
A production state, raw gas technology, applied in coke ovens, furnace safety devices, petroleum industry, etc., can solve problems such as abnormal coke production and lack of reliability in the later stage
Inactive Publication Date: 2015-08-12
CENT SOUTH UNIV
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Problems solved by technology
Manual judgment is too subjective and lacks reliability. Secondly, because it only judges whether the coke in the carbonization chamber is mature, once there is a problem with the production status of the carbonization chamber in the early stage, if no effective countermeasures are taken, the coke production will be abnormal in the later stage.
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Embodiment 1
[0080] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0081] The main body of the JN-60 coke oven is generally composed of 50-100 heating units, each heating unit includes a carbonization chamber, a combustion chamber and a regenerator, and there is only one wall between the carbonization chamber and the combustion chamber, such as figure 1 shown. The heating gas is preheated in the regenerator and enters the combustion chamber for combustion. The heat generated is transferred to the adjacent carbonization chamber in a radiative manner. The coal in the carbonization chamber is dry-distilled under the condition of being isolated from the air to form coke and release waste gas. The gas enters the gas collecting pipe through the rising pipe and is collected. The coke oven pushes coke and charges the mature coke chambers in a certain order to ensure the periodic production of coke in all carbonizati...
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The invention discloses a method for monitoring production state of a coking chamber of a coke oven based on raw coke oven gas temperature. The method comprises the following steps: step 1: performing filtering, segmenting and compressing on a raw coke oven gas temperature history data so as to obtain discrete and limited sampled data in a single coking period, and establishing a raw coke oven gas temperature subsection model of the coking chamber based on the history sample data and the raw coke oven gas temperature variation regularity; step 2: arranging a data window of which time length is 30 min, and collecting and processing the raw coke oven gas temperature data in real time; step 3: based on the sample data collected in real time and the raw coke oven gas temperature model, firstly, judging the section of the production process of the coking chamber, and then utilizing the raw coke oven gas temperature model and the real-time data to judge the production state of the coking chamber aiming at different stages respectively so as to realize on-line monitoring of the production state of the coking chamber and play importance guiding significance of the production of coke in the coking chamber.
Description
technical field [0001] The invention relates to a method for monitoring the production state of a coke oven carbonization chamber based on raw gas temperature, and belongs to the field of coke oven heating and combustion control. Background technique [0002] As an important basic raw material and strategic material for the development of my country's national economy and national defense and military industry, steel has been widely used in various industries such as machinery, electronics, building materials, transportation, aerospace, aviation, national defense and military industry, and plays a very important role in the development of the national economy. Coke oven is one of the most important industrial furnaces in the coal chemical industry. It is the key equipment for coke production. Coke is widely used as raw material or fuel in blast furnace ironmaking, casting, calcium carbide, gasification and non-ferrous metal smelting. Among them, the quality of coke directly ...
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IPC IPC(8): C10B41/00
Inventor 雷琪吴敏安剑奇曹卫华何勇陈鑫蔡伟
Owner CENT SOUTH UNIV