Method and device for treating sewage after wet purification of asphalt flue gas
A sewage treatment method and technology for sewage treatment, which are applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, flocculation/sedimentation water/sewage treatment, etc. secondary pollution and other problems, to reduce the workload of inspection and maintenance, save water, and ensure stable operation.
Inactive Publication Date: 2011-12-21
GUIYANG AL-MG DESIGN & RES INST
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is to provide a method and device for treating sewage after asphalt flue gas wet purification, so as to overcome the secondary pollution existing in the prior art, increase the amount of sewage treatment, and waste water resources.
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[0020] Embodiments of the present invention: the equipment of the present invention mainly includes: electric valve 1, sewage treatment tank 2, water level gauge 3, circulation pump 4, sewage pump, scrubber 7, etc., such as figure 1 , figure 2 As shown, the connection is as follows: the scrubber 7 is connected with the fan and the chimney, the return pipe 5, the flue gas inlet pipe 9 and the water spray pipe 8, the water spray pipe 8 is connected with the circulation pump 4, and the circulation pump 4 is connected with the sewage treatment tank 2, The water purification area 2-3 of the sewage treatment tank 2 is connected with the electric valve 1, and the electric valve 1 is connected with the water supply pipe 10; The sewage pump 6 is connected, and the outlet pipe 11 of the sewage pump 6 is connected with the sewage treatment station; a water level gauge 3 is arranged in the sewage treatment tank 2 . Among them, two partitions are set in the sewage treatment tank 2 to for...
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The invention discloses a method and device for treating sewage after asphalt flue gas wet purification. The device is as follows: a scrubber is connected with a fan, a chimney, a return pipe, a flue gas inlet pipe and a water spray pipe, and the water spray pipe and a circulation pump Connection, the circulation pump is connected to the sewage treatment tank, the clean water area of the sewage treatment tank is connected to the electric valve, the electric valve is connected to the water supply pipe; the return pipe is connected to the degreasing area of the sewage treatment tank, the degreasing area is connected to the sewage pump, and the sewage is discharged The outlet pipe of the pump is connected with the sewage treatment station; there is a water level gauge in the sewage treatment tank. The method is: open the electric valve to fill the clean water area in the sewage treatment tank, and determine that the water level is higher than the low water level through the water level gauge. At this time, the circulating pump is turned on to send the water to the scrubber for flue gas purification, and the generated sewage is returned through the return pipe In the sewage area of the sewage treatment tank, the asphalt suspended on the water surface and the dust deposited at the bottom of the water tank are filtered through two partitions in the sewage treatment tank, and the purified water is returned to the clean water area for continued recycling.
Description
technical field [0001] The invention relates to a method and a device for treating sewage after asphalt flue gas wet purification. Background technique [0002] Carbon process As the premise of electrolytic aluminum production, the production of carbon blocks plays an important role in the production of aluminum industry. The main raw materials used to produce carbon blocks (electrodes) are asphalt and various powder materials. Since the asphalt must be heated and powdered During the mixing process, a large amount of asphalt fume containing dust will be generated. [0003] At present, the main treatment methods in China are black purification technology and wet purification technology. [0004] The black method purification technology is dry adsorption. This technology uses fine-grained carbon powder as the raw material for production as an adsorbent, and quantitatively adds it to the dry pipe of asphalt fume through metering equipment, so that it can fully mix and contact ...
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IPC IPC(8): C02F9/02C02F1/40C02F1/52
Inventor 靳冬
Owner GUIYANG AL-MG DESIGN & RES INST