Coke oven gas ammonia gas online analyzing pretreatment system and using method thereof
A coke oven gas and pretreatment technology, applied in the preparation of test samples, etc., can solve problems such as faults, gas pipeline blockage, corrosion analysis instruments, etc., and achieve the effects of short analysis lag time, compact layout, and small content error
Active Publication Date: 2019-07-16
HUNAN CHAIRMAN IND INTELLIGENT SYST CO LTD
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[0004] At present, there are few application examples of the online analysis system for ammonia in coke oven gas. Due to the characteristics of high dust, water, oil, and acid in the gas, it is easy to cause gas pipeline blockage, corrosion, or
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[0054] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.
[0055] like figure 1 and 2As shown, the present invention provides an on-line analysis and pretreatment system for coke oven gas ammonia gas, comprising: a sampling probe 2, which is arranged in a gas pipeline 1 and communicates with a sampler 4 through a pipeline, and is used for sampling the gas pipeline 1. The gas sampled is sent to the sampler 4; at the same time, the sampling probe 2 is provided with a coarse filter device, and the c...
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The invention provides a coke oven gas ammonia gas online analyzing pretreatment system and a using method thereof. The coke oven gas ammonia gas online analyzing pretreatment system includes a probe(2), a flange (3), a sampling device (4), a first electromagnetic valve (6), a second electromagnetic valve (7), a third electromagnetic valve (8), a gas-water separator (9), a fourth electromagneticvalve (10), a scrubber (11), a first three-link connector (12), a dryer (13), a devulcanizing pan (14), an air pump (15), a first three-link valve (16), a precise filter (18), a second three-link connector (19), a gas flowmeter (20), an ammonia gas analyzer (21), a first air outlet (22), a second air outlet (23), a distributed-type controller (24), a standby dryer (25), a controller (26), a gas delivery pipeline (27), a signal transmission line (28), a second three-link valve (29) and a third three-link valve (30). According to the coke oven gas ammonia gas online analyzing pretreatment system, contents of impurities, dust and the like in sampled and analyzed coal gas can be effectively lowered, and it is guaranteed that the ammonia gas online analyzer operates stably in a long term.
Description
technical field [0001] The invention belongs to the technical field of material component analysis in coke oven gas, and particularly relates to an on-line analysis and pretreatment system for ammonia gas in coke oven gas and a method for using the same. Background technique [0002] The coke oven gas produced by the coking plant contains a small amount of ammonia gas, which will cause environmental pollution when the ammonia gas is discharged with the combustion products of the gas, and it needs to be recycled. In order to achieve the maximum recovery of ammonia, it is necessary to feedback and optimize the operation parameters of the recovery section according to the ammonia content in the outlet gas of the recovery section. At present, manual analysis of ammonia content in outlet gas is commonly used. However, the sampling and analysis interval of this method is long, and only the data of ammonia content in gas at the moment of sampling can be obtained, and the real-time ...
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Login to View More IPC IPC(8): G01N1/34
CPCG01N1/34
Inventor 陈勇波李娇盛荣芬黄天红刘帮骆毅赵凯
Owner HUNAN CHAIRMAN IND INTELLIGENT SYST CO LTD