CN2560635Y

CN2560635Y - Variable aperture lattice floculating apparatus

Info

Publication number: CN2560635Y
Application number: CN 02274409
Authority: CN
Inventors: 陈雷; 盛力
Original assignee: LIANCHUANG WATER CHANGCHUN LLC
Current assignee: LIANCHUANG WATER CHANGCHUN LLC
Priority date: 2002-07-25
Filing date: 2002-07-25
Publication date: 2003-07-16
Anticipated expiration: 2012-07-25

Abstract

The utility model relates to a variable-diameter grid flocculation device, and aims to solve the problems that the flocculation of the existing grid flocculation device is unbalanced and the flocculation efficiency and effect cannot be further improved. The utility model provides a variable-diameter flocculation device, the grid dimension of which has been changed. The utility model is composed of partition walls, external tank walls and so on, the grids on the viable-diameter grid screen is composed of a plurality of mutual-interlaced grid bars, which become from thickness to thinness from the inside to the outside. The utility model adjusts the flow and velocity distribution in the homogenized channel by the viable-diameter flocculation device. At the same time, the water passing the grid screen forms a great deal of high-proportional and high-strength micro-swirls in the full channel, so as to increase the effective collision probability of particles in water, improve reaction efficiency, intensify flocculation effect and has an active function for rapidly forming vitriol floccules, which are dense and easy for settling.

Description

Become aperture grid flocculation equipment

Technical field:

The utility model belongs to the water treating equipment field.

Background technology:

Flocculation reaction is the important step of water treatment procedures such as tap water processing, and its efficient and effect directly influence the quality of construction investment, running cost and effluent quality.Therefore, improve flocculation reaction efficient and effect is the important topic of water treatment professional domain always.Constantly bring forth new ideas in this regard both at home and abroad and propose some novel procesies, from flocculation reaction forms such as early stage dividing plate, eddy flow, eddy current, machineries, to flocculation process such as recent flap, waved plate, grizzly bar, grids, processing efficiency and effect improve constantly, but these technologies are only paid attention to fluid macroscopic view hydraulics usually, and not enough for micro-structure of turbulence to the kinetics function understanding of flocculation, thereby efficient and effect ideal not enough, still await further raising.Flocculation process such as the small perforations grid of development in recent years have had significant progress in the application of coagulation principle of dynamics, but its grid has still followed the uniform pattern of traditional perforation size, thereby be subjected to the influence of wall effect bigger, in-channel water stream forms main flow area at region intermediate, the flow velocity high flow is bigger, and form the area of slack water near the wall of limit, and flow is lower than minimum velocity, and this unbalanced phenomena has a strong impact on the further raising of flocculation efficiency and effect.

Technology contents:

In order to address the above problem, the utility model provides a kind of change aperture grid flocculation equipment that has changed size of mesh opening.

The utility model is made up of partition wall, outer pool wall etc., and the grid that becomes on the graticule mesh of aperture is to be interweaved mutually by some net bars with processing, interlacing net bar from spare to dense from the inside to the outside, formed mesh aperture increases from inside to outside gradually.

The utility model is adjusted the distribution of flow and flow velocity in the homogenizing passage by becoming aperture grid flocculation equipment, made simultaneously that the net current form in a large number at high proportion, high-intensity micro-vortex in the full tunnel scope, increased the probability of particle effective collision in the water, improved reaction efficiency, strengthened flocculating effect, closely knit, the easy sedimentary alumen ustum of quick formation has been had active effect.

Description of drawings:

Fig. 1 is that the utility model becomes aperture grid synoptic diagram;

Fig. 2 is that the utility model becomes aperture grid flocculation structural representation.

Embodiment:

The utility model is made up of partition wall 1, outer pool wall 2 etc., the grid 3 that becomes on the aperture graticule mesh 5 is to be interweaved mutually by some net bars 4 with processing, interlacing net bar 4 from spare to dense from the inside to the outside, the formed mesh aperture that interweaves is mutually also outwards progressively increased by grid inside.Net bar 4 can be made by non-toxic engineering plastics such as stainless steel and other metal materials or ABS, polypropylene and process.

To organize change aperture grid 3 according to design calculation, scientific and reasonable is laid in the flocculation basin that is made of partition wall 1 and outer pool wall 2 more, promptly constitutes to become the aperture grid flocculation.In the flocculation basin water stream channel, become lay vertical of aperture grid with every group with water (flow) direction, adjust flow velocity distribution in the homogenizing passage by becoming aperture grid flocculation equipment, eliminate the phenomenon of flow velocity skewness weighing apparatus, made simultaneously that the net current form in a large number at high proportion, high-intensity micro-vortex in the full tunnel scope,, increased the probability of particle effective collision in the water by the dynamic action of micro-vortex, improve reaction efficiency, the enhanced flocculation effect.Therefore become aperture grid flocculation and other traditional flocculation process relatively, generally can shorten the reaction times more than 30%, and save initial cost about 30%.

Claims

A kind of change aperture grid flocculation equipment, form by partition wall (1), outer pool wall (2) etc., it is characterized in that: the grid (3) that becomes on the aperture graticule mesh (5) is to be interweaved mutually by some net bars (4) with processing, interlacing net bar (4) from spare to dense from the inside to the outside, formed mesh aperture increases from inside to outside gradually.