CN203159313U

CN203159313U - Alternating-flow micro-nano bubble sewage treatment device

Info

Publication number: CN203159313U
Application number: CN201320161595XU
Authority: CN
Inventors: 李晓霞; 蔡家刚; 何业俊; 倪学敏; 杨坤
Original assignee: MA'ANSHAN HUANGHE WATER-RESOURCE TREATMENT ENGINEERING Co Ltd
Current assignee: Anhui Huanghe Water-Resource Polytron Technologies Inc
Priority date: 2013-04-03
Filing date: 2013-04-03
Publication date: 2013-08-28
Anticipated expiration: 2023-04-03

Abstract

The utility model discloses an alternating-flow micro-nano bubble sewage treatment device, belonging to the field of water treatment devices. The alternating-flow micro-nano bubble sewage treatment device comprises a tank body, wherein the tank body comprises a water inlet section, a middle section and a water outlet section which are connected with one another in sequence; each of the water inlet section, the middle section and the water outlet section is divided into two adjacent symmetrical areas by a middle division plate, and the lower end of the middle division plate does not touch the bottom of the tank body, namely that a left area and a right area which are communicated with each other are formed in each section; a composite filter material is laid in each of the water inlet section, the middle section and the water outlet section and consists of an upper part and a lower part, namely a fiber filter material which is positioned at the upper part and has a honeycomb cell wall section structure, and a ceramic granule filter material which is positioned at the lower part; and the alternating-flow micro-nano bubble sewage treatment device also comprises a gas-water fusion generator and a micro-filtration device. The particle sizes of bubbles generated by the device are small, the specific area is increased, the bubble stabilization time is prolonged, and the sewage treatment effect is obvious.

Description

The micro-nano bubble waste disposal plant of a kind of alternating flow

Technical field

The utility model belongs to the water treatment device field, more particularly, relates to a kind of device for the comprehensive waste water of living system and the processing of similar organic sewage.

Background technology

Present biochemical water treatment technology all needs water body is carried out aeration aerating, and aeration not only makes liquid-to-air contact oxygenation in the pond, and owing to agitated liquid, has accelerated airborne oxygen and shifted in liquid, thereby finishes the purpose of oxygenation; In addition, aeration prevents that in addition pond inner suspension body from sinking, and strengthen the purpose that organism and microorganism contact with dissolved oxygen in the pond, thereby in the assurance pond there is being under the condition of sufficient dissolved oxygen microorganism, to organic oxygenolysis in the sewage.The quality of aerating apparatus not only influences sewage biochemical treatment effect, and directly has influence on a processing occupation of land, investment and working cost.

Chinese patent application number: CN200610038692.4, the applying date: 2006-3-8, patent name: gas lifting alternative circulation flow composite filter material filter pool, this invention has greater advantage aspect construction, investment, operational management and the treatment effect, the reactor of new generation of the gentle lift circular fluidizing of alternative BAF.But this equipment claimed disposes good aerator and forms cycling stream, the application cost height.

If can solve that the bubble diameter that produces that existing aerator exists is big, specific surface area is little, bubble stabilizes time problems such as weak point, application cost height, then can be implemented in efficient, the energy-conservation water treatment mode under the microkinetic condition.But such equipment does not appear in the prior art as yet.

Summary of the invention

The technical problem that solves

Problems such as the bubble diameter that produces that exists at aerator in the prior art is big, specific surface area is little, the bubble stabilizes time is short, the utility model provides a kind of alternating flow micro-nano bubble waste disposal plant, it replaces existing aerator with the fused producer of a kind of air water of ultramicro air bubble, for biochemical treatment provides ultramicro air bubble, and this ultramicro air bubble particle diameter is little, specific surface area increases, the bubble stabilizes time is long, can guarantee that microorganism carries out oxygenolysis having under the condition of sufficient dissolved oxygen to organism in the sewage in the pond.

Technical scheme

The purpose of this utility model is achieved through the following technical solutions.

The micro-nano bubble waste disposal plant of a kind of alternating flow, it comprises the pond body, described pond body comprises inlet segment, interlude and the water exit end that connects successively, separate two adjacent symmetrical regions of formation by central dividing plate in described inlet segment, interlude and the water exit end, the lower end of described central dividing plate does not contact with the bottom of described pond body, i.e. two zones that communicate about every intersegmental part forms; Be laid with composite filtering material in described inlet segment, interlude and the water exit end respectively, this composite filtering material is made up of upper and lower two portions, i.e. superposed honeycomb wall cross section structure fiber filtering is positioned at the ceramic grain filter of bottom;

It also comprises the fused producer of air water that is arranged on body bottom, pond;

It also comprises micro-filtration, and described micro-filtration stretches into the bottom of water exit end in the body of described pond by pipeline.

Preferably, the fused producer of described air water comprises Venturi ejector, impeller pump, air flow quantity current regulator and current stabilization jar;

The active access port of described Venturi ejector is installed described air flow quantity current regulator, the drain pipe sidewall exit end bypass arm of described impeller pump, the liquid feeding end of the described Venturi ejector of another termination of described exit end bypass arm, the outlet end of described Venturi ejector is by the liquid-inlet pipe of the described impeller pump of pipe connection; The described current stabilization jar of another termination of the drain pipe of described impeller pump, the water outlet termination ultra micro air water of described current stabilization jar fuses output tube, the fused output tube place of described ultra micro air water connects first aeration tube that passes through first solenoid control and second aeration tube that passes through second solenoid control, be vertically installed with three aeration exit end corresponding to described inlet segment, interlude and water exit end bottom on this first aeration tube and second aeration tube respectively, each aeration exit end is provided with an aerator.

Preferably, the fused producer of described air water also comprises self-con-tained unit.

Preferably, described micro-filtration is unpowered high-order hydraulic pressure micro-filtration.

Preferably, the water inlet place of described inlet segment is provided with inlet flume and water distributing pipe, and the upper orifice of described water distributing pipe stretches in the inlet flume, and lower nozzle extend into the bottom of described pond body.

Beneficial effect

Than prior art, advantage of the present utility model is:

(1) gas lifting alternative circulation flow composite filter material filter pool that adopts in the technical solution of the utility model, given full play to the advantage of the gentle lift circular fluidizing technology of BAF, overcome shortcoming separately simultaneously, do not need back flushing and subsequent disposal such as settling tank are set in addition, under the aeration condition, utilize the gas content difference to form pressure difference, cause circulating of fluid, aerobic and anaerobic reaction are combined together;

(2) in gas lifting alternative circulation flow composite filter material filter pool, adopt the honeycomb wall cross section structure combined stuffing, improved the biomass of filtrate greatly, improved clearance, saved the energy, saved floor space; Replace existing aerating apparatus with the fused producer of air water, the bubble diameter of generation is little, specific surface area increases, the bubble stabilizes time increases, and effect is obvious, and adopt this generator apparatus low cost of manufacture, energy consumption is little, running expense is low;

(3) the technical solution of the utility model adopts the fused producer of air water to substitute the aerating apparatus of gas lifting alternative circulation flow composite filter material filter pool, whole set adopts modular design, when concrete the use, only need suitably to increase or reduce treatment process, or change some design variable, just can reach the different treatment purpose or handle some dissimilar organic sewages, effluent quality can reach the one-level B standard of " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) standard;

(4) the utility model be at hotel, sanatorium, hospital, can't insert city planting ductwork concentrated residential quarter etc. and with the similar various industrial organic sewages of sanitary sewage, adopt integrated design, automatization control, construction is simple, can place the face of land or underground.

Description of drawings

Fig. 1 is one-piece construction synoptic diagram of the present utility model.

Among the figure: 1, self-con-tained unit; 2, first magnetic valve; 3, second magnetic valve; 4, inlet flume; 5, water distributing pipe; 6, aerator; 7, honeycomb wall cross section structure fiber filtering; 8, ceramic grain filter; 9, central dividing plate; 10, micro-filtration; 11, air flow quantity current regulator; 12, Venturi ejector; 13, liquid-inlet pipe; 14, impeller pump; 15, the fused output tube of ultra micro air water; 16, current stabilization jar; 17, drain pipe.

Embodiment

Below in conjunction with Figure of description and specific embodiment, the utility model is described in detail.

Embodiment 1

As Fig. 1, the micro-nano bubble waste disposal plant of a kind of alternating flow of present embodiment, it comprises the pond body, the pond body is of a size of: high 4.5 meters, length * wide=4m * 2m, hydraulic retention 6 hours, the ability of disposing of sewage is 5m ³/ h.

The pond body comprises the inlet segment that connects successively, interlude and water exit end, inlet segment, interlude and water exit end constitute by two adjacent symmetrical regions, inlet segment, be laid with composite filtering material in interlude and the water exit end respectively, the median size of composite filtering material is 3-8mm, this composite filtering material is by last, following two portions are formed, it is the honeycomb wall cross section structure fiber filtering 7 of superposed honeycomb wall cross section structure fiber filtering 7(present embodiment, adopt application number: 200710019856.3, the disclosed fiber filtering component with honeycomb wall cross section structure of the patent document of the applying date: 2007-02-01), be positioned at the ceramic grain filter 8 of bottom, be provided with central dividing plate 9 at every section, two zones that central dividing plate 9 communicates about every section is divided into.Be provided with inlet flume 4 and water distributing pipe 5 at the water inlet place of inlet segment, the upper orifice of water distributing pipe 5 stretches in the inlet flume 4, and lower nozzle extend into the composite filtering material below.

The fused producer of air water comprises Venturi ejector 12, the horizontal single-stage of impeller pump 14(stainless steel of stainless steel), air flow quantity current regulator 11 and current stabilization jar 16, this impeller pump 14 is the horizontal single-stage centrifugal pump of stainless steel; The active access port of Venturi ejector 12 is installed described air flow quantity current regulator 11, the drain pipe 17 sidewall exit end bypass arms of described impeller pump 14, the liquid feeding end of the described Venturi ejector 12 of another termination of described exit end bypass arm, the outlet end of described Venturi ejector 12 is by the liquid-inlet pipe 13 of the described impeller pump 14 of pipe connection; The described current stabilization jar 16 of another termination of the drain pipe 17 of described impeller pump 14, the water outlet termination ultra micro air water of described current stabilization jar 16 fuses output tube 15, fused output tube 15 places of described ultra micro air water connect first aeration tube of controlling by first magnetic valve 2 and second aeration tube that passes through 3 controls of second magnetic valve, be vertically installed with three aeration exit end corresponding to described inlet segment, interlude and water exit end bottom on this first aeration tube and second aeration tube respectively, each aeration exit end is provided with the aerator 6 of a plastic material.The fused producer of this air water also comprises self-con-tained unit 1 and micro-filtration 10, and micro-filtration 10 is unpowered high-order hydraulic pressure micro-filtration and the bottom of stretching into water exit end in the body of described pond by pipeline.The water inlet place of inlet segment is provided with inlet flume 4 and water distributing pipe 5, and the upper orifice of described water distributing pipe 5 stretches in the inlet flume 4, and lower nozzle extend into the bottom of described pond body.

Below schematically the invention and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of embodiment of the invention, and practical structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, under the situation that does not break away from this creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to the protection domain of this patent.

Claims

1. micro-nano bubble waste disposal plant of alternating flow, it comprises the pond body, described pond body comprises inlet segment, interlude and the water exit end that connects successively, it is characterized in that, separate two adjacent symmetrical regions of formation by central dividing plate (9) in described inlet segment, interlude and the water exit end, the lower end of described central dividing plate (9) does not contact with the bottom of described pond body, i.e. two zones that communicate about every intersegmental part forms; Be laid with composite filtering material in described inlet segment, interlude and the water exit end respectively, this composite filtering material is made up of upper and lower two portions, i.e. superposed honeycomb wall cross section structure fiber filtering (7) is positioned at the ceramic grain filter (8) of bottom;

It also comprises micro-filtration (10), and described micro-filtration (10) stretches into the bottom of water exit end in the body of described pond by pipeline.

2. the micro-nano bubble waste disposal plant of a kind of alternating flow according to claim 1 is characterized in that, the fused producer of described air water comprises Venturi ejector (12), impeller pump (14), air flow quantity current regulator (11) and current stabilization jar (16);

The active access port of described Venturi ejector (12) is installed described air flow quantity current regulator (11), drain pipe (17) the sidewall exit end bypass arm of described impeller pump (14), the liquid feeding end of the described Venturi ejector of another termination of described exit end bypass arm (12), the outlet end of described Venturi ejector (12) is by the liquid-inlet pipe (13) of the described impeller pump of pipe connection (14); The described current stabilization jar of another termination (16) of the drain pipe (17) of described impeller pump (14), the water outlet termination ultra micro air water of described current stabilization jar (16) fuses output tube (15), the fused output tube (15) of described ultra micro air water locates to connect first aeration tube of controlling by first magnetic valve (2) and second aeration tube that passes through second magnetic valve (3) control, be vertically installed with respectively corresponding to described inlet segment on this first aeration tube and second aeration tube, three aeration exit end of interlude and water exit end bottom, each aeration exit end is provided with an aerator (6).

3. the micro-nano bubble waste disposal plant of a kind of alternating flow according to claim 2 is characterized in that, the fused producer of described air water also comprises self-con-tained unit (1).

4. the micro-nano bubble waste disposal plant of a kind of alternating flow according to claim 2 is characterized in that, described micro-filtration (10) is unpowered high-order hydraulic pressure micro-filtration.

5. according to claim 2 or the micro-nano bubble waste disposal plant of 3 or 4 described a kind of alternating flows, it is characterized in that, the water inlet place of described inlet segment is provided with inlet flume (4) and water distributing pipe (5), the upper orifice of described water distributing pipe (5) stretches in the inlet flume (4), and lower nozzle extend into the bottom of described pond body.