Bottom back wash system for blast furnace water-washed slag basins
A technology of backwashing and water flushing, applied in the field of smelting, can solve the problems of long operation time, complicated operation, low frequency of backwashing operation, etc., and achieve the effect of good application effect, improved operation efficiency, and complex operation process.
Active Publication Date: 2017-06-30
DAYE SPECIAL STEEL CO LTD
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Problems solved by technology
[0008] The purpose of the present invention is to provide a backwashing system at the bottom of the blast furnace water slag pool, to at least solve the technical problems of complex operation and poor backwashing effect in the prior art, and at the same time solve the backwashing problems in the prior art The frequency of operations is low, and the technical problems of long operation time
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[0032] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0033] like figure 2 As shown, the bottom backwashing system of the blast furnace water slag flushing tank in the preferred embodiment of the present invention mainly includes: a backwashing pipeline 6 and a collecting pipeline 30 . The inlet end of the backwashing pipe 6 is communicated with the water outlet of the turbid ring tank 9 to receive the slag flushing water from the turbid ring tank 9 during backwashing. The backwashing pipe 6 is divided into a first branch pipe 61 and a second branch pipe 62 , the first branch pipe 61 is communicated with the first blast furnace water slag flushing tank 1, and a first backwash valve 611 is installed on the first branch pipe 61. When the first backwash valve 611 is opened, the slag flushing water circulating in the first branch pipe 61 flows into The first blast furnace water slag flushing...
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The invention provides a bottom back wash system for blast furnace water-washed slag basins. All that is needed is to increase a back wash pipeline and two branch pipelines (namely a first branch pipe and a second branch pipe) on original design. A manual back wash butterfly valve is installed on the back wash pipeline, a first electric back wash butterfly valve is installed on a first branch pipeline, and a second electric back wash butterfly valve is installed on a second branch pipeline. Back wash work carried out on the first blast furnace water-washed slag basin can be realized through the first branch pipe, and back wash work carried out on the second blast furnace water-washed slag basin can be realized through the second branch pipe. Accordingly, the bottom back wash system for the blast furnace water-washed slag basins has the advantages that the structure is simple, and the manufacturing cost is low; meanwhile, the bottom back wash system can carry out back wash operation on basin bottoms quickly and efficiently, and working efficiency is greatly improved.
Description
technical field [0001] The invention belongs to the technical field of smelting, in particular, the invention relates to a device in the field of blast furnace ironmaking, which is practical, convenient, simple in structure and strong in operability and can improve the backwashing effect, in particular to a bottom of a blast furnace water slag flushing pool Backwash system. Background technique [0002] After the high-temperature slag iron produced in the blast furnace production process is separated from the molten iron through the main iron ditch, the molten slag enters the slag tank and is quenched and granulated by the high-speed water flow sprayed from the special nozzle, and then flows into the slag tank. The water slag has been in a high temperature environment for a long time, and the water slag at the lower part of the water slag layer has serious fouling and scaling, which leads to poor water permeability of the pebbles at the bottom of the slag pool. The pump is ...
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Login to View More IPC IPC(8): C21B3/06B01D24/46
CPCB01D24/4642C21B3/06Y02W30/50
Inventor 程伟柯显峰官云云姜明李严岳争超张小毛
Owner DAYE SPECIAL STEEL CO LTD