CN103274518A

CN103274518A - Three-dimensional biological rotating disc

Info

Publication number: CN103274518A
Application number: CN2013102195743A
Authority: CN
Inventors: 汤水江; 吴林峰; 李红梅
Original assignee: JIANGSU XINQI ENVIRONMENTAL PROTECTION CO Ltd
Current assignee: JIANGSU XINQI ENVIRONMENTAL PROTECTION CO Ltd
Priority date: 2013-06-03
Filing date: 2013-06-03
Publication date: 2013-09-04

Abstract

The invention discloses a three-dimensional biological rotating disc which comprises a box body; a speed reducer and a gear box are arranged outside the box body; the speed reducer and the gear box are connected with each other by a bearing, and are used for adjusting and controlling the rotating speed of rotating disc modules arranged in the box body; a storage clapboard is welded between the rotating disc modules; three-dimensional filler is filled between the outer side of the storage clapboard and the rotating disc modules; and a water inlet and a water outlet are respectively formed in the two sides of the bottom of the box body. According to the three-dimensional biological rotating disc, the thickness and the concentration of a biological film on the biological rotating disc are greatly increased, so that the equipment size and the investment of the biological rotating disc are greatly reduced under the same processing scale; furthermore, after a special packing way is adopted, an anaerobic state and an oxygen deficit state can be easily formed in the biological rotating disc, so that the denitrification processing capacity of a system is improved; and the aged biological film on the surface of the filler can rapidly fall off and is updated, so that the treatment efficiency of the whole system is greatly improved.

Description

A kind of three-dimensional blodisc

Technical field

The invention belongs to the environmental protection field, be specifically related to a kind of three-dimensional blodisc.

Background technology

Blodisc is a kind of aerobe treatment technology of fixedly embrane method, it is the artificial-strengthening that sewage irrigation and soil are handled, this facture makes the microorganism of bacterium and mushroom, microfauna growth reproduction on the blodisc filling carrier of protozoon one class, forms membranaceous biological mud-microbial film.Sewage enters blodisc after the settling tank primary treatment, wastewater treatment half stationary state, and microorganism growth is on the rotating disk that slowly runs, the area of rotating disk 40% is immersed in the waste water, organic pollutant in the microorganism panning sewage on the microbial film is as nutrition, and in rotating disk rotates the process of the water surface, utilize airborne oxygen to carry out respiration, by the aerobic degradation effect sewage is purified.

Generally the disc by male and fomale(M﹠F), waved plate, perforated plate are arranged is as the filling carrier culturing micro-organisms for the prior biological rotating disk, and the specific surface area of filler is less, and thickness and the concentration of microbial film are limited, and blodisc is huge; And because the rotating disk low speed rotation, the microbial film difficult drop-off of filling surface upgrades, and has reduced the processing efficiency of equipment; The simultaneously traditional formed microbial film thickness of blodisc and concentration are lower, can not obviously form anaerobism and anoxic environment, and the effect of denitrogenation dephosphorizing is relatively poor.

Summary of the invention

Goal of the invention: the objective of the invention is at the deficiencies in the prior art, a kind of three-dimensional blodisc is provided.

Technical scheme: in order to achieve the above object, the present invention specifically is achieved like this: a kind of three-dimensional blodisc, comprise that the casing casing is provided with step-down gear and wheel casing outward, step-down gear, wheel casing connect and regulate and control the rotating speed of casing inner rotary table module by bearing, be welded with the storing dividing plate between turntable module, between the storing dividing plate outside and turntable module, fill out and be provided with 3-D filler, be respectively equipped with water-in and dewatering outlet in the bottom half both sides.

Wherein, the 3-D filler volume in the described turntable module is 80～90% of whole turntable module volume, has increased the contact area of filler and microorganism greatly.

Wherein, described 3-D filler surface growth aerobic activated sludge, growth inside anaerobism and anoxic active sludge.

Wherein, have window shutter on the described casing, can control the volume of air admission casing, select to be fit to the concentration of microorganism growth.

Wherein, described bottom half has drain.

Beneficial effect: the present invention has adopted the modularization packaging assembly, turntable module is installed by spigot-and-socket, bolting, make easy installation and removal, adopted the Ball-type packing of the three-dimensional fiber of interior dress, filling surface growth aerobic microbiological, growth inside anaerobism and anoxic microorganism, have higher denitrogenation dephosphorizing ability, the denitrogenation dephosphorizing ability is compared the traditional biological rotating disk and can be improved more than 30%～50%; Three-dimensional Ball-type packing has high specific surface area simultaneously, and general specific surface area can reach 2000～3000m ²/ m ³, be transmission male and fomale(M﹠F), washmarking, honeycomb filling material 20～30 times, microbial film concentration and corresponding processing power are that traditional biological rotating disk technology can strengthen 2～3 times; The storing dividing plate that adopts in the turntable module can be by the increased functionality microbial film (active sludge) of gas storage and water lift and the engagement capacity of sewage, air simultaneously, and the rotating speed by the variable frequency adjustment rotating disk, solved the restriction that the traditional biological rotating disk can't further improve processing power because of the aeration rate restriction; The 3-D filler of turntable module inside is globosity, and loading density is 80%～90%, and counter-rotating and collision by not stopping in operational process have promoted coming off and upgrading of aging biology, have guaranteed that the long-term stability of total system is moved; Three-dimensional blodisc is under the same treatment ability, and facility investment can save 30%～50% at least, and running cost also can reduce more than 30%.

Description of drawings

Fig. 1 is structural representation of the present invention;

Fig. 2 is sectional view of the present invention.

Embodiment

A kind of three-dimensional blodisc shown in Fig. 1～2, comprise casing 1, casing 1 outer step-down gear 2 and the wheel casing 3 of being provided with, step-down gear 2, wheel casing 3 connect and regulate and control the rotating speed of casing 1 inner rotary table module 4 by bearing, 4 of turntable module are welded with storing dividing plate 5, between storing dividing plate 5 outsides and turntable module 4, fill out and be provided with 3-D filler 6, be respectively equipped with water-in 7 and dewatering outlet 8 in casing 1 two bottom sides; Have window shutter 9 on the described casing 1, the bottom has drain 10; 3-D filler 6 in the described turntable module 4 is globosity, and loading density is 80%～90%.

Step-down gear 2 of the present invention is connected by bearing with wheel casing 3 and passes through screw fixed with rotating disk casing 1, and has the effect of regulating concentricity and chain dress precision; Turntable module 4 is by being installed on the rotating disk casing 1 with the main shaft bolting and by the bearing shaft bearing; 3-D filler 6 is installed in the turntable module 5, and storing dividing plate 5 is fixing with turntable module 4 welding.Sewage enters three-dimensional blodisc by water-in 7 gravity flows or pressure current, and flows automatically to back-end processing technology by water outlet 8; Three-dimensional blodisc drives the rotation of whole turntable module 4 after rotating by driven by motor step-down gear 2 again by gear, chain and main shaft, 40% area of turntable module 4 is immersed in the sewage, loads 80%～90% 3-D filler 6 in the turntable module 4; 3-D filler 6 surface growth aerobic activated sludges, growth inside anaerobism and anoxic active sludge, in the process of dial rotation, the organic pollutant degradation in the sewage is removed in 3-D filler 6 lower contacting with sewage; Storing dividing plate 5 in the turntable module 4 can be pressed into a large amount of air in the water in the process of entry simultaneously, has played when sewage is replenished oxygenation and has mixed the effect of stirring, and has increased microbial film and sewage, Air mixing contact process; Simultaneously when storing dividing plate 5 in the process of water outlet, a large amount of sewage can be drawn liquid level and be cast on the filler of top, further increased sewage and microbial film and sewage, air and mixing contact process; Improve oxygenation capacity and the mixing ability of the situation of the high microbial film of total system and activated sludge concentration, reduced the concentration that oxygen transmits and proposed, improved the treatment effect of total system.In rotating process or drive rolling and the collision of inner 3-D filler 6, accelerate aging biomembranous renewals that come off of filling surface by turntable module 4, be beneficial to total system and maintain for a long time efficiently running status always.

Certainly, the above is specific embodiments of the invention only, is not to limit the scope of the invention, and all equivalences of doing according to the described structure of claim of the present invention, feature and principle change or modify, and all should be included in the present patent application claim.

Claims

1. three-dimensional blodisc, comprise casing (1), it is characterized in that, outer step-down gear (2) and the wheel casing (3) of being provided with of casing (1), step-down gear (2), wheel casing (3) connect and regulate and control the rotating speed of casing (1) inner rotary table modules (4) by bearing, be welded with storing dividing plate (5) between turntable module (4), between storing dividing plate (5) outside and turntable module (4), fill out and be provided with 3-D filler (6), be respectively equipped with water-in (7) and dewatering outlet (8) in casing (1) two bottom sides.

2. three-dimensional blodisc according to claim 1 is characterized in that, the 3-D filler (6) in the described turntable module (4) is globosity, and loading density is 80%～90%.

3. three-dimensional blodisc according to claim 1 and 2 is characterized in that, described 3-D filler (6) surface growth aerobic activated sludge, growth inside anaerobism and anoxic active sludge.

4. three-dimensional blodisc according to claim 1 is characterized in that, has window shutter (9) on the described casing (1).

5. three-dimensional blodisc according to claim 1 is characterized in that, described casing (1) bottom has drain (10).