CN2915843Y

CN2915843Y - Integral sewage treating and clarification device

Info

Publication number: CN2915843Y
Application number: CN 200620110661
Authority: CN
Inventors: 陈勇; 杜云贵; 刘艺; 王辉; 王方群; 潘庆; 冷小波; 刘清才; 陈登福; 鹿存房; 董凌燕
Original assignee: Chongqing University; CPI Yuanda Environmental Protection Engineering Co Ltd
Current assignee: Chongqing University; CPI Yuanda Environmental Protection Engineering Co Ltd
Priority date: 2006-05-24
Filing date: 2006-05-24
Publication date: 2007-06-27
Anticipated expiration: 2016-05-24

Abstract

The utility model relates an integral sewage treating and clarification device, an intermediate cylinder (7) is positioned in a clarification tank (10), an inlet pipe (14) crosses through the bottom of the clarification tank (10) into the intermediate cylinder (7), a nozzle (2) is positioned on the inlet pipe (14) and a vortex generator (3) is on the nozzle (2), a mud pipe (5) is connected with an inverted cone part (10a) on the clarification tank (10) through a sludge hopper (11), a water-outlet cofferdam (4) is positioned at the top part inside the clarification tank (10). The utility model combines the functions of flocculation reaction, coagulant reaction and mud-water separation to reduce the covering area. The utility model takes full advantage of back mixing function of the mud to bring the filtering and absorbing effect of the flocculating agent and coagulant. The utility model can be widely used in the areas of percolation treatment for urban rubbish and electroplating wastewater treatment, the effect is very obvious and the dosing can be reduced by above 30% compared to traditional equipment.

Description

Sewage Treatment Device Integration Clarification Device

Technical field

The utility model belongs to the water treating equipment technical field, specifically, relates to the clarifying plant in a kind of sewage disposal.

Background technology

What generally adopt in the existing sewage disposal is dosing flocculation reaction technology, be sewage successively through flocculation tank, help with fixed attention and obtain clear water behind the reaction tank and mud-water separation pond, add in the flocculation tank flocculation agent is arranged, helping to coagulate to add in the reaction tank has coagulant aids, and flocculation tank also need adopt the pressure whipping device with helping with fixed attention in the reaction tank.Because each reaction tank branch is arranged, structures are many, floor space is big, and the common employing in mud-water separation pond is that precipitation or pneumatically supported mode are carried out, function singleness, can not give full play to absorption, the filteration of flocculation agent and coagulant aids, mud separates back water ratio height, and the consumption of flocculation agent and coagulant aids is bigger.

The utility model content

Problem to be solved in the utility model provides a kind of collection and reacts, adsorbs, precipitates, is filtered into one, and floor space is little, and the reagent consumption amount is few, the better Sewage Treatment Device Integration Clarification Device of treatment effect.

For addressing the above problem, Sewage Treatment Device Integration Clarification Device of the present utility model, contain treating pond, water inlet pipe, shore pipe, evacuated tube and water shoot, the top for the treatment of pond is cylindricality, the bottom is a back taper, the central vertical for the treatment of pond is provided with intermediate cylinder, external lower end communicates in the intermediate cylinder, water inlet pipe passes the treating pond bottom center and stretches in the intermediate cylinder, nozzle is installed on the water inlet pipe, and there is whirlpool the top of nozzle, and the bottom of whirlpool is equipped with mud cover, shore pipe is connected on the sidewall for the treatment of pond back taper portion by mud-removing bucket, evacuated tube is connected in the treating pond bottom, and water shoot is connected in the treating pond cylindrical portion near upper edge, near upper end the water outlet cofferdam is installed in the treating pond.

Described intermediate cylinder lower end links by supporting tube and treating pond, and the upper end flushes with the treating pond upper limb.

Described treating pond can be a tube structure, is connected with supporting leg on the outer side wall of its back taper portion, circumferentially links to each other by supporting tube between adjacent two supporting legs, and the inwall of cylindrical portion is provided with ring stiffener.

Before entering treating pond, sewage adds medicament in the utility model, sewage begins to react in the tubaeform zone on whirlpool top after nozzle sprays into whirlpool, therefore this zone is called first reaction zone, provide the blended initial response time for flocculation agent and coagulant aids in first reaction zone, reactions such as flocculation for the first time, crane span structure, compression electric double layer and absorption take place in taking place for the first time in flocculation agent and coagulant aids in this zone.Upper area in the intermediate cylinder is second reaction zone, and this zone provides the residue grace time for flocculation reaction, makes mud and waste water that sufficient adsorption takes place simultaneously.Lower region in the intermediate cylinder is mud back mixing district, and this zone is that the negative pressure that the back was produced by whirlpool bottom mud was deposited to by action of gravity is drawn into first reaction zone again.Treating pond internal upper part zone is a filtrating area, lower region is the settling region, a mud moisture interface is arranged between filtrating area and the settling region, the trend that downward motion is arranged under action of gravity owing to mud in the settling region, but water has been walked uptrend from the bottom up, just formed tangible mud moisture interface after these two trend reach certain balance, this mud moisture interface has also played very good filteration simultaneously.

The utility model is at deficiencies such as original sewage disposal device structures dispersion, function singlenesses, flocculation reaction, help functions such as reaction with fixed attention, mud-water separation to concentrate in together, and the floor space minimizing.And making full use of the back-mixing function of mud, filtration, the adsorption of performance flocculation agent and coagulant aids reduce the consumption of flocculation agent, coagulant aids.Utilize principle of negative pressure, the mud for the treatment of pond bottom is mixed with sewage again, produce the secondary back-mixing, make mud and sewage thorough mixing, strengthened reaction effect and treatment effect,, can be widely used in fields such as city garbage percolate processing, electroplating wastewater processing through the engineering practice checking, the treatment effect highly significant adds dose and can reduce more than 30% than legacy equipment.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is that synoptic diagram is divided in functional zone of the present utility model.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

As Fig. 1, shown in Figure 2, treating pond 10 becomes tube structure, its top is cylindricality, the bottom is a back taper, the central vertical for the treatment of pond 10 is provided with intermediate cylinder 7, external lower end communicates in the intermediate cylinder 7, water inlet pipe 14 passes treating pond 10 bottom center and stretches in the intermediate cylinder 7, nozzle 2 is installed on the water inlet pipe 14, and there is whirlpool 3 top of nozzle 2, and the bottom of whirlpool 3 is equipped with mud cover 12, shore pipe 5 is connected on the sidewall for the treatment of pond 10 10a of back taper portion by mud-removing bucket 11, evacuated tube 13 is connected in treating pond 10 bottoms, and water shoot 6 is connected in treating pond 10 cylindrical portion 10b near upper edge, near upper end water outlet cofferdam 4 is installed in the treating pond 10.

Can find out from Fig. 1, Fig. 2: intermediate cylinder 7 lower ends link by supporting tube 16 and treating pond 10, and the upper end flushes with treating pond 10 upper limbs.Be connected with supporting leg 1 on the 10a of the back taper portion outer side wall for the treatment of pond 10, circumferentially link to each other by supporting tube 9 between adjacent two supporting legs 1, the inwall of cylindrical portion 10b is provided with ring stiffener 15.

As Fig. 3, the tubaeform zone on whirlpool 3 tops is first reaction zone 18, add the sewage that medicament is arranged and after nozzle 2 sprays into whirlpool 3, begin reaction at first reaction zone 18, provide the blended initial response time for flocculation agent and coagulant aids in this reaction zone, reactions such as flocculation for the first time, crane span structure, compression electric double layer and absorption take place in taking place for the first time in flocculation agent and coagulant aids in this zone.Upper area in the intermediate cylinder 7 forms second reaction zone 19, and this zone provides the residue grace time for flocculation reaction, makes mud and waste water that sufficient adsorption takes place simultaneously.Lower regions in the intermediate cylinder 7 are mud back mixing district 20, and to be mud be deposited to negative pressure that the back, bottom produced by whirlpool 3 by action of gravity in this zone is drawn into first reaction zone 18 again and mixes again with sewage.Treating pond 10 internal upper parts zone is a filtrating area 21, and lower region is settling region 22, and a mud moisture interface 23 is arranged between filtrating area 21 and the settling region 22, and this mud moisture interface 23 has also played very good filteration simultaneously.Because the mud for the treatment of pond 10 bottoms can repeatedly mix with sewage again by negative pressure, produce the secondary back-mixing, make mud and sewage thorough mixing, add the filteration of mud moisture interface 23, absorption, the filteration of flocculation agent and coagulant aids have been given full play to, it is low that mud separates the back water ratio, and the consumption of flocculation agent and coagulant aids is few.This device is a globality equipment, and factory can be according to the complete processing of different models, the convenient installation.

In actual applications, the also available mixed earth for the treatment of pond 10 is directly built on the ground, and form first reaction zone, second reaction zone, mud back-mixing district, settling region and filtrating area by other material or device build, also can be designed to other analogous shape and structure, and increase or reduce functional zone as required according to different engineering practical situation.

Claims

1, a kind of Sewage Treatment Device Integration Clarification Device, comprise treating pond (10), water inlet pipe (14), shore pipe (5), evacuated tube (13) and water shoot (6), it is characterized in that: the top of described treating pond (10) is cylindricality, the bottom is a back taper, the central vertical for the treatment of pond (10) is provided with intermediate cylinder (7), external lower end communicates in the intermediate cylinder (7), water inlet pipe (14) passes treating pond (10) bottom center and stretches in the intermediate cylinder (7), nozzle (2) is installed on the water inlet pipe (14), there is whirlpool (3) top of nozzle (2), the bottom of whirlpool (3) is equipped with mud cover (12), shore pipe (5) is connected on the sidewall for the treatment of pond (10) back taper portion (10a) by mud-removing bucket (11), evacuated tube (13) is connected in treating pond (10) bottom, water shoot (6) is connected in treating pond (10) cylindrical portion (10b) near upper edge, near upper end water outlet cofferdam (4) is installed in the treating pond (10).

2, Sewage Treatment Device Integration Clarification Device according to claim 1 is characterized in that: described intermediate cylinder (7) lower end links by supporting tube (16) and treating pond (10), and the upper end flushes with treating pond (10) upper limb.

3, Sewage Treatment Device Integration Clarification Device according to claim 1 and 2, it is characterized in that: described treating pond (10) is tube structure, be connected with supporting leg (1) on the outer side wall of its back taper portion (10a), circumferentially link to each other by supporting tube (9) between adjacent two supporting legs (1), the inwall of cylindrical portion (10b) is provided with ring stiffener (15).