Radial settling tank with multiple layer settlement plate

A settling plate and settling tank technology, which is applied in the field of agricultural engineering, can solve the problems of easy sedimentation of particles and the inability to use large-scale settling tanks, and achieve the effects of increasing the settling area, improving volume utilization, and reducing operation and maintenance costs

Inactive Publication Date: 2009-12-23
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Particles settle easily due to no moving parts
Since the inclination angle at the bottom of the mud discharge bucket is 45-50 degrees, this method cannot be used on large sedimentation tanks

Method used

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  • Radial settling tank with multiple layer settlement plate
  • Radial settling tank with multiple layer settlement plate
  • Radial settling tank with multiple layer settlement plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] in figure 1 Middle: 1 is the sump, 2 is the main body of the sedimentation tank, 3 is the settling plate, 4 is the water distribution tube, 5 is the water inlet pipe, 6 is the clear water pipe, 7 is the sludge hopper, 8 is the sludge pipe, 9 is the sewage inlet pipe .

[0028] in figure 2 Middle: 10 is the radial baffle.

[0029] in Figure 4 Middle: 11 is the connecting bolt.

[0030] in Figure 5 Middle: 12 is the water deflector; 13 is the mud trap; 14 is the water outlet.

[0031] in Figure 6 Middle: 16 is a mud scraper.

[0032] The main body 2 of the sedimentation tank is a regular polygon or a circle; the sedimentation plate 3 is a truncated truncated (or truncated trellis) surface formed by a group of small plates distributed along the circumference and forming an angle of 45 to 75 degrees with the horizontal plane, and the truncated truncated truncated (or truncated trellis) surface The inside is low and the outside is high; there are grooves on the settlement su...

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Abstract

The invention discloses a radial flow sedimentation tank with multi-layer settling plates, which belongs to the technical field of agricultural engineering. The technical solution includes the main body of the settling tank, the sump and clear water pipe arranged on the upper part of the main body of the settling tank, the water inlet pipe arranged at the lower part of the main body of the settling tank, the water distribution cylinder with water outlet holes, the mud discharge bucket, the sludge pipe, etc., and is characterized in that In the main body of the settling tank, multiple layers of settling plates are set up and down. Each layer of settling plates is a round or edge table with an angle with the horizontal plane, that is, each layer of settling plates is a slope with a high outer edge and a low center. The present invention introduces multi-layer settling plates into the settling tank, which increases the settling area per unit volume and improves the volume utilization rate of the settling tank; the settling plate can prevent the short flow that is easy to form in the general radial flow settling tank; without moving parts, it improves settling conditions. It reduces the occupied area, reduces the infrastructure cost, and the operation and maintenance cost is low.

Description

Technical field [0001] The invention relates to a radial flow sedimentation tank with a middle-in and peripheral-out flow, in particular to a radial flow sedimentation tank with a multi-layer settling plate, which belongs to the technical field of agricultural engineering. Background technique [0002] The diameter of the existing radial flow sedimentation tank is usually 20-30 meters, even up to 100 meters. It occupies a large area and high capital construction cost; it has a movable mud scraping mechanism, which must be regularly maintained and scraped. The movement of the mud mechanism also affects the sedimentation of particles; the mixed liquid enters the pool at a relatively high flow rate from the water inlet pipe in the center of the pool, gradually drops to the sludge layer through the water distribution tube, and then flows along the middle of the sedimentation zone toward the pool wall to separate out Part of the clarified water overflows into the water outlet tank, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/02
Inventor 雷廷武邹岚
Owner CHINA AGRI UNIV
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