Inclined tube sedimentation tank water distribution rectification device and control method thereof

A technology of inclined tube sedimentation tank and rectification device, which is applied in the direction of separation method, precipitation separation, chemical instrument and method, etc., can solve the problems of unstable operation effect of inclined tube sedimentation tank, and achieve the effect of optimized combination mode

Active Publication Date: 2015-06-17
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The internal flow state control method of the inclined tube sedimentation tank has not been effectively solved,

Method used

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  • Inclined tube sedimentation tank water distribution rectification device and control method thereof
  • Inclined tube sedimentation tank water distribution rectification device and control method thereof
  • Inclined tube sedimentation tank water distribution rectification device and control method thereof

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Embodiment Construction

[0014] The present invention will be further described below with reference to the drawings and embodiments.

[0015] The present invention is a water distribution and rectification control method for inclined tube sedimentation tanks, which mainly includes a rectification device with flocculation and synergistic effects, such as figure 1 As shown, the rectifying device includes a deflector 1, the deflector is divided into upper and lower parts, the upper half is a vertical deflector, the lower half is an inclined deflector, and the inclined deflector is sandwiched between the inclined deflector and the horizontal plane. The angle is between 60 and 90°. The rectifying device is provided with a number of baffles 1, which are fixed in the inclined tube sedimentation tank by a telescopic device. The farther the distance from the inclined retaining wall at the end of the water distribution area is, the lower half of the baffle is connected to The greater the angle of the horizontal p...

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Abstract

The invention discloses an inclined tube sedimentation tank water distribution rectification device which comprises a plurality of guide plates, wherein each guide plate is divided into an upper part and a lower part; the upper half parts are vertical guide plates with adjustable guide windows; the lower half parts are inclined guide plates; a feedback device is arranged below the guide plate; the feedback device is used for measuring the flow inside gaps among different guide plates by using a plurality of speed measuring probes; the opening direction of the adjustable guide window can be adjusted according to the flow measured by the feedback device. With the combination of different guide windows, the uneven phenomenon caused by factors such as density flow and turbulent flow can be reduced to the maximum under the condition that normal flocculation is ensured, flocculation can be achieved by sufficiently utilizing the effective volume of a water distribution area, and the flocculation effect can be improved. By reducing the uneven flow phenomenon, the maximum flow speed of water into a sedimentation area can be effectively reduced, stable transition from flocculation to sedimentation can be achieved, and the disturbance of the water fed into the sedimentation area to suspended sludge can be reduced.

Description

Technical field [0001] The invention relates to a water distribution and rectification device for an inclined tube sedimentation tank and a control method thereof. The method is mainly used to control the uniformity of the flow pattern in the water distribution area of ​​the inclined tube sedimentation tank. By reducing the Froude number of the flow pattern in the water distribution area, The upturning phenomenon of bottom sludge caused by uniformity improves the quality of effluent. Background technique [0002] The inclined tube sedimentation tank is one of the most common treatment structures in the water treatment process, which can significantly improve the sedimentation efficiency and save floor space. Many water treatment structures, such as high-density sedimentation tanks, are new types of sedimentation tanks based on inclined tube sedimentation tanks. The ideal sedimentation efficiency of the inclined tube sedimentation tank should be mainly determined by the particle ...

Claims

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Application Information

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IPC IPC(8): B01D21/02B01D21/34
CPCB01D21/02B01D21/2416B01D21/302B01D21/34
Inventor 周易郑国兴郑志民许龙芮旻
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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