CN2338330Y - Multi-function flotation and purification equipment - Google Patents

Abstract

The utility model relates to a multifunctional flotation and purification machine used for the sewage treatment. The utility model comprises a box body, a dreg collecting tank, a flotation tank, a floatation aerating machine, and a dreg spreading machine, wherein, the dreg collecting tank, the flotation tank, the floatation aerating machine, and the dreg spreading machine are assembled in the box body, and the inner wall of the dreg collecting tank is coated with epoxy resin having high temperature resistance and high corrosion resistance; the inner part of the box body is provided with a liquid level controller which can accurately control a liquid level. The utility model not only retains the advantages of the original flotation purifier, but also has the advantages that the use performance is effectively improved, and the applied range is enlarged.

Description

Multi-functional floatation purification machine

The utility model relates to a kind of waste disposal plant, the particularly a kind of multi-functional floatation purification machine that can handle various oily(waste)waters.

Along with the development of industry and urban construction, the quantity of wastewater effluent of every profession and trade is also in continuous increase, and sewage disposal has become current environment and protected matter of utmost importance to be solved.The present inventor handled at traditional heavy heat-clearing method once that the rate of recovery of long, oil of the discharging cycle that oily(waste)water exists and suspended solids is not high, device volume big, consume problems such as steel are many, manufacturing cost is high, the installation site floor space is big, design a kind of compact construction, can obviously reduce steel consumption and manufacturing cost, the minimizing occupation area of equipment, and significantly improve the floatation purification machine of oily water treatment efficient.Show to also have unsatisfactory part through practical application, can not satisfy user's needs as the liquid level control section is single, the undesirable grade of liquid level control accuracy remains further perfect problem.

The purpose of this utility model provides a kind of multi-functional floatation purification machine, and it has also effectively improved its use properties and broadened application scope except that the advantage that keeps former floatation purification machine.

The purpose of this utility model is to realize like this; This device comprises casing and assembles its interior dreg collecting slot, flotation cell, flotation aerator, skimming machine that wherein the dreg collecting slot inwall scribbles high temperature resistant, corrosion-resistant Resins, epoxy, and the fluid level controller that can accurately control liquid level is set in the casing.

Because the utility model is improved on the architecture basics of existing floatation purification machine, so be easy to realize.Its water quality kind of disposing of sewage increases in order to make, function increases, and except that being coated with the epoxy protective coating at the dreg collecting slot inwall, the fluid level controller that can accurately control liquid level is set in casing also.This fluid level controller can adopt air control unit or electric controller according to actual needs, to adapt to the requirement of different places.

The utility model is described further during below in conjunction with accompanying drawing.

Fig. 1 is a kind of concrete structure synoptic diagram of the present utility model.

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

Fig. 3 is the sectional view of Fig. 1 along the A-A line.

Fig. 4 is the sectional view of Fig. 3 along the B-B line.

Describe concrete structure of the present utility model in detail according to Fig. 1-4.This device comprises casing, is installed in parts such as the dreg collecting slot 3 of the band slag-drip opening 9,10 of casing both sides, flotation cell, flotation aerator 4, skimming machine 12, fluid level controller, the water quality needs of disposing of sewage according to actual floatation purification, adopt multistage flotation cell in the casing, flotation cell structures at different levels are identical, all are furnished with flotation aerator 4.Between each aerator 4 dividing plate is set so that liquid step by step flotation flow through.The flotation aerator by belt transmission 15, bearing support 16, vertical shaft 17, the standpipe 19 that has air suction pipe 18, water-stabilizing board 20, aeration rotor 22, eddy flow become effusive stator 21 etc. form.Both sides are provided with skimming machine 12 in the casing, utilize motor-driven skimming plate 14, and the suspended substance of fluid surface is sprinkled in the dreg collecting slot 3 by adjustable weir plate, concentrate and discharge.For this device is used under different operating modes, be fit to the needs of various water quality, scribble high temperature resistant, corrosion-resistant Resins, epoxy at its dreg collecting slot 3 inwalls.The fluid level controller that can accurately control liquid level is set in the casing, so that the control liquid level is in the altitude range that allows, can remain on according to actual needs on the set-point, make it to avoid the too high liquid spill of liquid level in the flotation cell or cause liquid, suspended substance to spread out together, can prevent that again liquid level is low excessively, spread slag plate 14 and can't spread suspended substance, effectively improve this machine use properties and broadened application scope.That is to say that this fluid level controller can adopt pneumatic control, utilize pneumatic fluid level control system 6 of the prior art, also can adopt electronic control, assemble by liquid level sensor 5 and coupled setter and motorized valve 7.Adopt the fluid level controller of electronic control can make the measuring accuracy of liquid level bring up to 2/1000ths, kinetic characteristic is greatly improved, and has cancelled air compressor machine and utility appliance such as pneumatic instrument, moisture eliminator thereof, reduces installation cost and maintenance cost.Therefore can significantly improve the floatation purification effect.

Utilize this device to dispose of sewage through multistage circularly purifying, but this 94-98% of its sewage degrease rate, the suspended substance removal rate can reach 84-98%, and the COD clearance can reach 80%, and the BOD clearance can reach 70%.

Its working process is as follows; This machine adopts stage purification (being that each flotation cell is an one-level) as required, and casing is formed (n is a flotation progression) by (n+1) chamber, and casing also disposes parts such as sewage import 1, flotation gas inlet 2, the discharge outlet 8 of purifying waste water, Butterworth Hatch 11, porthole 13.When sewage is entered in the flotation cell by import 1,, water was got rid of stator 21 through liquid circulation channel 23, aeration rotor 22.Simultaneously form negative pressure in standpipe 19, flotation gas enters in the standpipe 19 and with water and is mixed into gas, water mixture fully.Producing mixing force during by stator 21 makes gas become small bubble 25.Along with the rising of bubble 25, oil particles and suspended substance are attached on the bubble 25, are brought to fluid surface, flock together, and spread slag plate 14 it is scraped in the dreg collecting slot 3 of groove both sides, concentrate and discharge.As to adopt other rare gas element be flotation gas, and system moves under the anoxybiotic condition, can the alleviator corrosion, if adopt air flotation, equipment is worked under normal pressure, does not need to establish in addition air compressor.For flotation machine efficient is improved, need before the flotation water-in, add flotation reagent on the technology through selecting, further abolish the emulsified state of oil in water, suspended substance is assembled, bubble stabilizes improves flotation effect.

Claims (3)

1, the multi-functional floatation purification machine used of a kind of sewage disposal, comprise casing and assemble its interior dreg collecting slot, flotation cell, flotation aerator, slag-applying machine, it is characterized in that the dreg collecting slot inwall scribbles high temperature resistant, corrosion-resistant Resins, epoxy, is provided with the fluid level controller that can accurately control liquid level in the casing.

2, floatation purification machine according to claim 1 is characterized in that described fluid level controller adopts air control unit or electric controller.

3, floatation purification machine according to claim 1 is characterized in that the fluid level controller of electronic control is assembled by liquid level sensor and coupled setter and motorized valve.

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