CN2450207Y

CN2450207Y - Two-phase stream sewage separating purifying device

Info

Publication number: CN2450207Y
Application number: CN 00240556
Authority: CN
Inventors: 徐振明; 周方芳; 朱伟奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-10
Filing date: 2000-10-10
Publication date: 2001-09-26
Anticipated expiration: 2010-10-10

Abstract

The utility model relates to a two-phase stream sewage separating purifying device which is composed of a settling area, a transition area and an air floating area, wherein the bottom of the settling area is provided with a mud valve used for expelling mud and coagulated matter; a shaped declining flow channel is arranged between the settling area and the transition area; the transition area is communicated with the transition area via a hydraulic accelerating flow guide machine on the upper end of a conical water collecting board; the water fog is produced by a plurality of air and water dissolving releasers of a gasification water generator; the suspended floss in water is supported and floated on the liquid level of the air floating area, and the suspended floss is scratched by a rotary scratching board to enter a residue collecting tank to be discharged. The utility model can separate the solid and oil impurities in the sewage, with the advantages of simplified equipment and low purifying cost.

Description

Two phase flow sewage separation purifier

The utility model relates to a kind of two phase flow sewage separation purifier, belongs to the plumbing purifying processing device.

Some industrial sewage in the sewage as power station discharging, except that containing solid phase impurity such as mud, also contains relatively large suspended solid and oiliness suspended contaminant.At present, this sewage needs successively to be handled by two devices, promptly earlier make particles suspended thing flocking settling through the coagulating settler, with it with remove after throw outs such as silt together separate, make oily pollutant emulsification through the coagulating air-floating apparatus more subsequently, and be condensed into floss come-up with not settled suspended particle, strike off by slag scraper.Two overlap independently coagulation device, and need join two cover administration systems, and floor space is big, involves great expense, and energy consumption is big, the running cost height.

The purpose of this utility model provides a kind of two phase flow sewage separation purifier, it can finish the process of coagulating precipitate and separate and coagulating dissolved air flotation simultaneously, solid sediment, suspended solid and oiliness suspended substance in the water separated in same device to be removed, save investment, reduce running cost.

The utility model sewage separation purifier comprises negative area, zone of transition and air flotation zone, the bottom of negative area is bucket-shaped, the bottom of bucket is provided with mud valve, be provided with the hydraulic ejector that upwards sprays in the negative area, hydraulic ejector can be provided with reaction chamber, be provided with incorgruous oblique flow passage between negative area and the zone of transition, this oblique flow passage is that several oblique pipes or oblique plate are arranged and the slanted channel of formation.Current are by in the oblique flow passage uphill process, and particulate matter and passage skew wall face collision back bigger in the water fall, and get back in the negative area settlement separately once more, and fine particle thing and oiliness suspended substance then rise and enter zone of transition.Zone of transition is isolated with the water collection sheet and the zone of transition of taper, and communicates with zone of transition with the waterpower acceleration director of taper water collection sheet upper end, is provided with the gasified water producer in the director, and the gasified water producer is provided with dissolved air water inlet pipe and several dissolved air water relievers; The top of air flotation zone is provided with the rotation dreg scraper of driven by motor, and the below of dreg scraper is provided with dreg collecting slot and scum pipe, and the scum silica frost of air flotation zone top is rotated scraper plate and scrapes in the dreg collecting slot, by the scum pipe discharger.Air flotation zone is provided with the water purification delivery pipe, and this water purification delivery pipe links to each other with the transition water tank, and establishes regulator of level in case, makes the water level of transition water tank transfer to consistent with water purification liquid level in the zone of transition.

The utility model can be finished the settlement separate process of coagulating and the coagulating dissolved air flotation process of sewage in same device, original two tripping devices are combined together, two-phase solid-liquid separation spoil disposal deslagging simultaneously up and down, two secondary responses only need dosing time, simplified equipment, reduce floor space, saved investment.Utilize hydraulic ejector surrogate response agitator in the negative area, air flotation zone fully atomizes the recirculation water that is dissolved with air by the gasified water producer, produces gas and mixes effect, energy consumption is little, cost reduces, and atomization gas can improve the electrostatic adhesion and the rising velocity of separation of flocs unit, and separating effect is better.

Below in conjunction with description of drawings structure of the present utility model.

Fig. 1 is the structural representation that this two phase flow sewage separates separation purifier.

Fig. 2 is that plan structure is looked synoptic diagram.

As shown in Figure 1, this refining plant is negative area 18 successively from bottom to top, zone of transition 19 and air flotation zone 20, the bottom of negative area 18 is bucket-shaped, the bottom of bucket is provided with mud valve 3, be provided with hydraulic ejector 5 and reaction chamber 6 in the negative area, of water intaking valve 2 feedings of the sewage of medicine have been thrown from the lower end, upwards spray and thorough mixing by hydraulic ejector 5, go into reaction chamber 6 internal reactions, make that the part particle aggregation becomes sedimented particle in the water, tiny particle and the cohesion of oiliness suspended substance, be emulsified into floss, coagulation sewage reduces flow velocity after going into the negative area, silt in the water and the downward sedimentation of part condensation product are gathered in the bucket end, discharge from valve 2; The more clarifying water in top, negative area upwards enters zone of transition 19 by oblique flow passage 7, and in this process, the oblique wall of not settled part particle and passage 7 collides and falling downwards in the water, sedimentation once more.Water in the zone of transition is when rising to taper water collection sheet 16, because of circulation area reduces to quicken, when it enters air flotation zone 20 by waterpower acceleration director 14, because the gas of the dissolved air water (vaporific gas, water mixture) of reliever 10 ejections is mixed effect, the floss that suspends in the water is by numerous small bubbles jackings, float rapidly to the liquid level of air flotation zone 20, scraped in the dreg collecting slot 13 (referring to Fig. 2), from scum pipe 15 discharge systems by rotor segment 11.Hypomeres in the air flotation zone 20 are the water purification behind the deslagging, by water shoot 21 dischargings or go into transition water tank 8, and by constantly discharging of pipe 22.Water tank 8 Nei Let have and pipe 21 regulator of level that link to each other 9, can make case 8 interior liquid levels be adjusted to consistent with it according to water purification section liquid level in the zone of transition.17 is air-water mixing pumps among Fig. 1, and it refluxes purify waste water entrained air (being dissolved air water) pressurization of part to send into gasified water producer 12, upwards sprays dissolved air water by dissolved air water reliever 10 subsequently.Autocontrol panel 1 is used for the circuit of device is controlled automatically.

Claims

1. two phase flow sewage separation purifier, it is characterized in that comprising negative area, zone of transition and air flotation zone, the bottom of negative area is provided with mud valve, be provided with the hydraulic ejector that upwards sprays in the negative area, be provided with incorgruous oblique flow passage between negative area and the zone of transition, zone of transition is isolated with the water collection sheet and the zone of transition of taper, and quicken director with the waterpower of taper water collection sheet upper end and communicate with zone of transition, be provided with the gasified water producer in the director, the gasified water producer is provided with dissolved air water inlet pipe and several dissolved air water relievers; The top of air flotation zone is provided with the rotation dreg scraper of driven by motor, and the below of dreg scraper is provided with dreg collecting slot and scum pipe, and air flotation zone is provided with the water purification delivery pipe.

2. two phase flow sewage isolation of purified according to claim 1 divides device, it is characterized in that the bottom of negative area is bucket-shaped.

3. two phase flow sewage separation purifier according to claim 1 is characterized in that hydraulic ejector is provided with reaction chamber.

4. according to claim 1,2,3 described two phase flow sewage separation purifiers, it is characterized in that said oblique flow passage is to arrange the slanted channel that forms by several oblique pipes.

5. according to claim 1,2,3 described two phase flow sewage separation purifiers, it is characterized in that said oblique flow oblique flow passage is that some oblique plates are arranged the slanted channel that forms.