Filter tank sharing filter material lifting pipeline and filter material cleaning device

Abstract

The invention discloses a filter tank sharing a filter material lifting pipeline and a filter material cleaning device. The filter tank comprises a plurality of tank bodies arranged in parallel, a group of rails are paved above the tank bodies, and the filter material cleaning device capable of moving along the rails is placed on the rails; the liftable filter material lifting pipeline is arrangedon the filter material cleaning device, and a jacking pipe is arranged below the filter material lifting pipeline; deepwater valves are arranged on the opposite sides of the two rows of tank bodies,and a movable piston is arranged in each deepwater valve; the jacking pipe below the filter material lifting pipeline can be inserted into the deepwater valve to press a piston down to communicate thetank bodies with the filter material lifting pipeline. According to the invention, the movable filter material cleaning device and the filter material lifting pipeline are placed on the rails above the tank bodies; the filter material cleaning device can reciprocate among the tank bodies, and the filter material lifting pipeline can be matched with the deepwater valve of any tank body to work, sothat the two rows of tank bodies can share one set of filter material cleaning device and filter material lifting pipeline, the equipment utilization rate is improved, and the cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment equipment, in particular to a filter tank sharing a filter material lifting pipeline and a filter material cleaning device. Background technique [0002] At present, the flowing sand filter and the flowing activated carbon adsorption filter used in the water treatment industry have single-stage, two-stage or multi-stage modes according to the concentration of pollutants to be removed. The purpose of multi-stage setting is to increase the total height of the filter material layer, increase the time of sewage being treated, and improve the treatment effect. When the amount of water to be treated is large, it is necessary to adopt the method of parallel operation of multiple pools at each stage. These filter pools are independent of each other and have their own pipelines and filter material cleaning devices. [0003] This kind of filter tank that runs while cleaning the filter material is ...

AI Technical Summary

Problems solved by technology

[0003] This kind of filter tank that runs while cleaning the filter material is mostly cleaned by air lift, and the bottom filter material is transported to the cleaning device at the top of the tank through pipelines. Each tank has a set of filter material lifting pipelines, Valves; these pipelines are always in wear and tear during use. In order to ensure sufficient service life, pipelines and valves must be made of corrosion-resistant and wear-resistant materials, or their thickness must be increased; such pipelines and valves are often expensive. The construction cost and operation replacement cost of the pool are high

[0004] The filter material cleaning device often has idle time, and each filter tank is equipped with a filter material cleaning device, which makes the equipment investment cost higher

And each pool of filter material only needs to be cleaned for one hour a day, at most a few hours, and the filter material lifting pipeline and filter material cleaning device are idle at other times, that is, the utilization rate of the equipment is very low

[0005] The cleaning when new filter material is added and the daily cleaning of the filter material in the pool have different requirements for the cleaning output of the filter material cleaning device. The current filter material cleaning device cannot meet the demand for variable cleaning output.

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