Cyclone sand-settling and sand-removal integrated device
A technology of swirling sand settling and grit settling tank, which is applied to the feeding/discharging device of the settling tank, etc., which can solve the problems of short service life, high power consumption, and complicated structure of the sand suction pump, and reduce the number of pipelines and auxiliary equipment. Auxiliary equipment, reduction of power consumption, and simplification of the device
Inactive Publication Date: 2014-07-09
JIANGSU TIANHONG ENVIRONMENTAL ENG
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Problems solved by technology
Among them, the pump-suction type sand suction pump has a very short service life, while the air-lift type has an overly complex structure and needs to be equipped with a fan, which consumes too much power. The details are as follows: figure 2 shown
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[0009] In the present invention, an agitator 1 is arranged on the upper part of the grit chamber, and an upwardly inclined screw conveyor 2 is arranged at the corresponding position between the bottom of the grit chamber and the agitator 1 .
[0010] Since the sand lifting device 3 is not provided, the water will not be lifted up under the action of gravity and other factors during the transportation of mud and sand by the screw conveyor 2, and the required power of the screw conveyor 2 is greatly reduced compared with the traditional one.
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The invention relates to a cyclone sand-settling and sand-removal integrated device. A stirrer is arranged at the upper part of a sand-settling pool. A spiral conveyer which tilts upwards is arranged at the bottom of the sand-settling pool and at a corresponding position of the stirrer. The spiral conveyer is utilized to replace conventional suction type or air-lift type devices, the whole device is simplified, a great number of pipelines and auxiliary equipment are reduced, the equipment working efficiency is greatly improved, and power consumption is reduced.
Description
technical field [0001] The invention relates to an integrated device for swirling sand settling and desanding, which is applied to the pretreatment process section of sewage treatment, and is used to remove larger inorganic particles in sewage before a primary sedimentation tank and after a fine grid. Background technique [0002] The original cyclone sand removal system mainly uses pump suction or air lift to suck the pool in the cyclone grit chamber out of the pool and then uses the spiral sand-water separator to remove the sand in the water. Among them, the pump-suction type sand suction pump has a very short service life, while the air-lift type has an overly complex structure and needs to be equipped with a fan, which consumes too much power. figure 2 shown. Contents of the invention [0003] The purpose of the present invention is to provide an integrated device for swirling sand settling and desanding with simple structure and long service life in view of the above...
Claims
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Inventor 徐时红戴明发
Owner JIANGSU TIANHONG ENVIRONMENTAL ENG