Naphthalene washing and purifying system for coal gas primary cooler
A technology of purification system and primary cooler, which is applied in gas purification of condensed non-gaseous materials, lighting and heating equipment, heat exchange equipment, etc. It can solve the problems of rising resistance of primary cooler, endangering safety production, passive production and other problems, and achieves expansion Improvement of operation and inspection space and operating environment
Inactive Publication Date: 2012-05-16
仲轶群
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Problems solved by technology
In actual production, the resistance of the primary cooler rises rapidly, often above 3kPa. Because the resistance is too high, the primary cooler is frequently replaced and steam cleaning is performed, and the production is very passive.
In addition, due to the high naphthalene content in the condensate, the pipelines of the upper and lower condensate water seal tanks are often blocked, and the condensate overflows to the ground, making the narrow operating area harsh.
The upper condensate water seal tank and the upper condensate tank are blocked by naphthalene in the condensate, which will cause the condensate to be sucked into the blower and endanger safe production
Method used
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[0009] As can be seen from the accompanying drawings, the naphthalene washing and purification system of the gas primary cooler includes a primary cooler 1, an upper condensate tank 3, a lower condensate tank 2, an upper spray pump 3, a lower spray pump 4, and the upper spray pump 4 passes through the pipeline and the primary The upper part of the cooler 1 is connected, and the lower spray pump 5 is connected to the lower part of the primary cooler 1 through a pipeline. The outlet of the lower condensate of the primary cooler 1 is directly connected to the lower condensate tank 2, and the outlet of the upper condensate of the primary cooler 1 is directly connected to the The upper condensate tank 3 is connected; the lower condensate tank 2 is connected to the upper part of the primary cooler 1 through the upper spray pump 4 through the pipeline, and the upper condensate tank 3 is connected to the lower part of the primary cooler 1 through the pipeline through the lower spray pum...
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The present invention discloses a naphthalene washing and purifying system for a coal gas primary cooler. The system comprises: a primary cooler (1), an upper section condensate groove (3), a lower section condensate groove (2), an upper section spray pump (4) and a lower section spray pump (5). A lower section condensate outlet of the primary cooler (1) is directly connected with the lower section condensate groove (2). An upper section condensate outlet of the primary cooler (1) is directly connected with the upper section condensate groove (3). The lower section condensate groove (2) passes through a pipeline, and is connected with the upper section of the primary cooler (1) by the upper section spray pump (4). The upper section condensate groove (3) passes through a pipeline, and is connected with the lower section of the primary cooler (1) by the lower section spray pump (5). With the structure adopted by the system of the present invention, the operation space and the maintenance space are substantially expanded, the operation environment is improved, the liquid equilibrium of the system is maintained, and the naphthalene content in the mixing liquid of the lower section condensate groove can be controlled to less than 5%.
Description
technical field [0001] The invention relates to a gas purification system, in particular to a naphthalene washing and purification system for a primary gas cooler. Background technique [0002] At present, three high-efficiency horizontal tube coolers are used in the gas primary cooler in the condensing blast section to cool the gas from 82°C to 21-22°C. The condensate discharged from the upper section of the horizontal tube primary cooler flows into the upper condensate tank through the water seal tank, and the condensate is sent to the upper section of the primary cooler by the upper condensate pump for spraying, and the excess is sent to the gas suction pipeline in front of the gas-liquid separator. The condensate discharged from the lower section of the horizontal tube primary cooler flows into the lower condensate tank through the water seal tank, where it is mixed with a certain amount of emulsion of the phase interface of the tar ammonia water separation tank, and the...
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Inventor 高志兵陈政
Owner 仲轶群