Automatic cleaning system and cleaning method for feeding pipeline of roasting furnace
A technology of automatic cleaning and roasting furnace, applied in the direction of cleaning methods and appliances, chemical instruments and methods, furnaces, etc., can solve the problems of difficult to handle and dredge the pipeline, need to be replaced, pipeline blockage, etc., to reduce damage to pipeline equipment, cleaning The effect of optimizing the effect and saving the maintenance cost
Active Publication Date: 2016-06-01
WISDRI ENG & RES INC LTD
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Problems solved by technology
[0004] However, due to the fact that the concentrated waste acid is easy to crystallize and deposit on the wall, if there is an unexpected situation such as the overall shutdown of the acid regeneration system, as the temperature of the medium in the pipeline decreases, the concentrated waste acid will often appear in the feed pipeline of the roaster. The crystallization phenomenon, and once crystallization occurs, it will be extremely difficult to unclog this section of pipeline, which often causes damage to the pipeline and needs to be replaced
Even if the operator drains the feed line of the roaster as quickly as possible, some concentrated spent acid crystals remain in the line, and long-term accumulation will eventually cause the line to block and need to be replaced
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] Such as figure 1 The embodiment of the present invention provides an automatic cleaning system for a roaster feed pipeline, including a roaster feed pipeline 1 and a desalted water pipeline 2, and the roaster feed pipeline 1 includes a roaster feed pump 10 The main road and several feeding branch roads, the desalinated water pipeline 2 includes a dry road with a desalinated water booster device 3 and a desalinated water heating device 4 and several desa...
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The invention relates to an automatic cleaning system and method of a feeding pipeline of a roaster. The automatic cleaning method is characterized in that a desalted water pipeline is additionally arranged on an existing feeding pipeline of a roaster, a circulation path of desalted water is formed by controlling opening and closing of corresponding valves, and therefore automatic cleaning of the feeding pipeline of the roaster is achieved. The automatic cleaning system and method of the feeding pipeline of the roaster have the advantages that when the system is shut down due to accidents, the automatic cleaning system can be started up instantly, so that the feeding pipeline of the roaster can be well maintained. In addition, the cleaning effect of the pipeline can be optimized by arranging a desalted water heating device. While solving the problems, the automatic cleaning procedures greatly reduce operations of the staff in the cleaning process, reduce pipeline equipment damage and save maintenance cost.
Description
technical field [0001] The invention relates to the technical field of a steel rolling waste acid regeneration system, in particular to an automatic cleaning system and a cleaning method for a roasting furnace feeding pipeline. Background technique [0002] The waste acid produced by pickling strip steel in cold rolling mills is extremely corrosive. If it is not treated, it will cause serious pollution to the environment. At the same time, due to the large amount of hydrochloric acid discharge, it will also increase the cost of pickling. Nowadays, most of the treatment of pickling waste liquid adopts the spray roasting process, and the roasting furnace system is one of the core subsystems in the spray roasting process. [0003] In the spray roasting process, the waste acid is first pumped to the Venturi pre-concentrator through the waste acid pump, and is fully mixed with the high-temperature roasting gas in the same flow direction at the throat, and a part of the water and...
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IPC IPC(8): B08B9/032F27D3/00
CPCB08B9/032F27D3/00
Inventor 高俊峰王军
Owner WISDRI ENG & RES INC LTD