Blast furnace slag washing water heat exchanger online washing device
A blast furnace slag flushing water and cleaning device technology, applied in the direction of cleaning heat transfer devices, non-rotating equipment cleaning, lighting and heating equipment, etc. function, reduce clogging, enhance longevity and work efficiency
Active Publication Date: 2014-04-09
中煤玮坤(北京)节能环保科技有限公司
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Problems solved by technology
[0002] As the energy shortage becomes more and more serious, the utilization of secondary energy is becoming more and more important. The recovery of waste heat from blast furnace slag flushing water in iron and steel plants is becoming more and more extensive, but there is still a large amount of dross in the slag flushing water, which is used for heat exchange. After working for a long time, the heat exchanger will be fouled and blocked. Most of the current cleaning methods and devices need to shut down the heat exchanger, which seriously affects the working efficiency of the heat exchanger.
Method used
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[0010] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0011] Such as figure 1 As shown, the blast furnace slag flushing water heat exchanger on-line cleaning device is composed of a ball storage tank 6, a rubber ball pump 10 and supporting pipelines and valves. There is a baffle 9 in the ball storage tank 6, and the baffle 9 is controlled by the baffle handle 8 to control the sending and receiving of the small ball 7; the slag flushing water inlet pipe 12 of the heat exchanger is connected to the ball valve 11 through a branch pipe, The other end of the serving valve 11 is sequentially connected to the rubber ball pump 10 and the ball storage tank 6, and the pipeline at the other end of the ball storage tank 6 is branched, respectively connected to the forward ball collection valve 51 and the reverse ball collection valve 52, and the forward ball collection valve 51 and the reverse ball collecting valve...
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A blast furnace slag washing water heat exchanger online washing device comprises a ball storage tank, a rubber ball recirculating pump and matched pipelines and valves. A retaining plate controlled by a retaining plate handle is disposed in the ball storage tank. The retaining plate is used for controlling receiving and sending of small balls. A slag washing water inlet pipe of a heat exchanger is connected to a ball sending valve through a branch pipeline. The other end of the ball sending valve is sequentially connected with the rubber ball recirculating pump and the ball storage tank. The pipeline at the other end of the ball storage tank is branched and respectively connected with a forward ball receiving valve and a reverse ball receiving valve. Each of the forward ball receiving valve and the reverse ball receiving valve is connected with the slag washing water outlet pipe through a branch pipeline. A ball receiving net for receiving the small balls is disposed in the slag washing water outlet pipe. The forward and reverse direction of the ball receiving net are controlled by a ball receiving net handle. The washing device has the advantages that the problem of heat exchanger shutdown washing is solved, work efficiency of heat exchangers is increased, slag washing water waste heat recycling efficiency is increased, an automatic washing function is added, the service life of the washing device is prolonged, and work efficiency of the washing device is increased.
Description
technical field [0001] The invention relates to a cleaning device, in particular to an online cleaning device for a blast furnace slag flushing water heat exchanger. Background technique [0002] As the energy shortage becomes more and more serious, the utilization of secondary energy is becoming more and more important. The recovery of waste heat from blast furnace slag flushing water in iron and steel plants is becoming more and more extensive, but there is still a large amount of dross in the slag flushing water, which is used for heat exchange. After working for a long time, the heat exchanger will be fouled and blocked. Most of the current cleaning methods and devices need to shut down the heat exchanger, which seriously affects the working efficiency of the heat exchanger. Contents of the invention [0003] The invention aims to provide an online cleaning device for a blast furnace slag flushing water heat exchanger, so as to achieve the purpose of cleaning the heat ...
Claims
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IPC IPC(8): F28G1/12
Inventor 刘森
Owner 中煤玮坤(北京)节能环保科技有限公司
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