CN101823798B - Oily water treatment system of hydropower station - Google Patents
Oily water treatment system of hydropower station Download PDFInfo
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Abstract
The invention relates to an oily water treatment system of a hydropower station. The oily water treatment system is characterized by mainly comprising a floating oil collector (1), a cyclone oil eliminator (2), a floatation device (3), an oil-water separator (4), an active carbon filter (5) and a precision filter (6), wherein the floating oil collector (1) is arranged in a conditioning tank (9), the conditioning tank (9) is connected with the cyclone oil eliminator (2) by a primary lift pump (10), the cyclone oil eliminator (2) is connected with the floatation device (3), and the floatation device (3), the oil-water separator (4), the active carbon filter (5) and the precision filter (6) are orderly connected. The invention has the advantages of small volume, compact structure, convenient installation, continuous and stable work, reliable operation, wide operating range, low operating and maintenance cost and the like.
Description
Technical field
The present invention relates to sewage treatment area, especially a kind of oily water treatment system of hydropower station of comprehensive high-efficiency.
Background technology
At present, the output of oily(waste)water is big, and the scope that relates to is wide, for example all can produce oily(waste)water in the processes such as oil field, power station, steamer shipping, vehicle cleaning, machinofacture, food-processing.Oil pollution is as a kind of common pollution, and is very harmful to the environment protection and the eubiosis.Current oily water separation technique is more, and method commonly used has technology such as gravitational separation process, air flotation method, coarse method, filtration method, absorption method, supersonic method etc.Yet,, need a kind of special comprehensive treatment facility badly to the power station oily(waste)water because the power station oily(waste)water has its singularity.
Summary of the invention
The object of the present invention is to provide a kind of oily water treatment system of hydropower station, this systems technology is ripe, reliable, occupation of land is few, adopt the PLC full automatic control, and treatment scale is big, can finely satisfy power station oily water treatment needs.
Technical scheme of the present invention is:
A kind of oily water treatment system of hydropower station; It mainly is made up of floating-oil collector, degreaser cyclone, air-floating apparatus, water-and-oil separator, activated charcoal filter and accurate filter; Said floating-oil collector is arranged in the equalizing tank; Equalizing tank connects degreaser cyclone through the one-level lift pump, and degreaser cyclone connects air-floating apparatus, and air-floating apparatus, water-and-oil separator, activated charcoal filter and accurate filter are connected successively.
Said equalizing tank is connected with oil trap, and oil trap connects the oily(waste)water pipeline.
The side inlet of said degreaser cyclone connects the breakdown of emulsion chemicals dosing plant, and the top exit of degreaser cyclone connects the PAM chemicals dosing plant.
Be provided with dissolving and intermediate water tank between said air-floating apparatus and the water-and-oil separator, dissolving connects the air outlet of air-floating apparatus, and air-floating apparatus connects intermediate water tank, and intermediate water tank connects water-and-oil separator through the two-stage hoisting pump.
Said dissolving is connected with air compressor machine.
Said floating-oil collector mainly is made up of floating drum, flooding tube, separator cartridge and thruster; Between floating drum and flooding tube relative height is arranged; Be provided with flooding tube in the separator cartridge, separator cartridge inwall and flooding tube outer wall constitute gathering room, are provided with thruster in the flooding tube; Gathering room is communicated with oil suction pipe, and oil suction pipe connects oil pump.
Distance is 25mm to 35mm between the interior liquid level of said separator cartridge and equalizing tank.
Said intermediate water tank connects the air-floating apparatus entrance end through return line.
The invention has the beneficial effects as follows:
Oily water treatment system of hydropower station technology maturation of the present invention, reliable, take up an area of fewly, adopt the PLC full automatic control.Treatment scale is more than or equal to 2 * 20m3/h.Safe and efficient, oil removing, dirty removal capacities are strong, and the water outlet oil-containing goes out water suspension smaller or equal to 100mg/L smaller or equal to 1mg/L.
It is little that the present invention has a volume, compact construction, easy for installation, work continous-stable, reliable, advantage such as operating restraint is wide, the operation and maintenance expense is low.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Fig. 2 is a structural representation of the present invention.
Among the figure: 1 is floating-oil collector; 100 is floating drum; 101 is flooding tube; 102 is separator cartridge; 103 is thruster; 104 is gathering room; 105 is oil suction pipe; 2 is degreaser cyclone; 3 is air-floating apparatus; 4 is water-and-oil separator; 5 is activated charcoal filter; 6 is accurate filter; 7 is oil trap; 8 is air compressor machine; 9 is equalizing tank; 10 is the one-level lift pump; 11 is the breakdown of emulsion chemicals dosing plant; 12 is the PAM chemicals dosing plant; 13 is return line; 14 is the two-stage hoisting pump; 15 is dissolving; 16 is intermediate water tank.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
Like Fig. 2; A kind of oily water treatment system of hydropower station; It mainly is made up of floating-oil collector 1, degreaser cyclone 2, air-floating apparatus 3, water-and-oil separator 4, activated charcoal filter 5 and accurate filter 6, and said floating-oil collector 1 is arranged in the equalizing tank 9, and equalizing tank 9 connects degreaser cyclone 2 through one-level lift pump 10; Degreaser cyclone 2 connects air-floating apparatus 3, and air-floating apparatus 3, water-and-oil separator 4, activated charcoal filter 5 and accurate filter 6 are connected successively.The side drain of degreaser cyclone 2, air-floating apparatus 3, activated charcoal filter 5 and accurate filter 6 connects contaminated-oil basin.Degreaser cyclone 2 connects sludge sump with water-and-oil separator 4 bottom drain.
Equalizing tank 9 is connected with oil trap 7, and oil trap 7 connects the oily(waste)water pipeline.
The side inlet of degreaser cyclone 2 connects breakdown of emulsion chemicals dosing plant 11, and the top exit of degreaser cyclone 2 connects PAM chemicals dosing plant 12.
Be provided with dissolving 15 and intermediate water tank 16 between air-floating apparatus 3 and the water-and-oil separator 4, dissolving 15 connects the air outlet of air-floating apparatus 3, and air-floating apparatus 3 connects intermediate water tank 16, and intermediate water tank 16 connects water-and-oil separator 4 through two-stage hoisting pump 14.
Dissolving 15 is connected with air compressor machine 8.
Like Fig. 3; Floating-oil collector 1 mainly is made up of floating drum 100, flooding tube 101, separator cartridge 102 and thruster 103, and 101 of floating drum 100 and flooding tubes have relative height, are provided with flooding tube 101 in the separator cartridge 102; Separator cartridge 102 inwalls and flooding tube 101 outer walls constitute gathering room 104; Be provided with thruster 103 in the flooding tube 101, gathering room 104 is communicated with oil suction pipe 105, and oil suction pipe 105 connects oil pump.
Distance is 25mm to 35mm between separator cartridge 102 and equalizing tank 9 interior liquid levels.
Like Fig. 1, technical process of the present invention is:
Oily(waste)water at first separates through 7 pairs of oil slick of oil trap for the first time, and in run by gravity to the equalizing tank 9, equalizing tank 9 can be regulated the water quality and the water yield then.In equalizing tank 9, be provided with floating-oil collector, be specifically designed to collection the liquid level oil slick.
One-level lift pump 10 is promoted to degreaser cyclone 2 with sewage in the equalizing tank 9; Current get into rotational flow separation with tangential way, and rely on the density difference of oil and water, natural separation under action of centrifugal force; Sewage is collected through top by the equipment inner central tube and is discharged, and oily substance is discharged by the equipment top.
Oily(waste)water gets into air-floating apparatus 3 after spinning, before getting into air-floating apparatus 3, add emulsion splitter through breakdown of emulsion chemicals dosing plant 11, destroys the ionization equilibrium of oil in water emulsion, makes oil in water emulsion and water sepn.Through dosing coagulants, make that the suspended substance coagulation becomes to be convenient to isolating flock in the water in degreaser cyclone 2 back.
Sewage gets into the exposure chamber of air-floating apparatus 3 in dosing reaction back, fully contact with the dissolved air water of air dissolving system, and oils and suspended substance emerge under the adsorption of micro-bubble.And strike off through slag scraper, reach the purpose of oil removing.
The air flotation pool water outlet of air-floating apparatus 3 gets into intermediate water tank 16, through two-stage hoisting pump 14 the sewage pressurization is got into water-and-oil separator 4.
Sewage at first gets into the malthoid adsorption zone on water-and-oil separator 4 tops, filters through 10 microns filter core more under pressure.Filter core is made by the hydrophilic and oleophobic material, can oily substance effectively be tackled.Sewage behind the oil removing filter element filtering gets into strainer again and carries out advanced treatment.
Sewage at first gets into activated charcoal filter 5, can suspended substance in the water and oily substance interception further be improved water quality.
The gac water outlet of activated charcoal filter 5 gets into accurate filter 6.Accurate filter 6 is a filter element filtering, and filter core is made by the hydrophilic and oleophobic material, and filtering accuracy is 5 microns, can oily substance be tackled once more.
Sewage after above-mentioned two stages of treatment gets final product qualified discharge.
Like Fig. 6, floating-oil collector 1 is made up of main frame and system two portions.Main frame comprises floating drum 100, flooding tube 101, separator cartridge 102, thruster 103 and oil level controllers.System comprises housing and oil pump.
During use; Main frame is put into the water body that contains oil slick, and main equipment leans on the buoyancy of floating drum 100 to float on the water surface, regulates the relative height between floating drum 100 and the separator cartridge 102; Make separator cartridge 102 keep balances and be submerged in the water; Energized, and regulate the thruster optimum revolution, complete machine can put into operation.
Floating-oil collector 1 utilizes the gravity separation principle; By thruster 103 oil slick is pressed in the separator cartridge through flooding tube 101 together with water; Because flooding tube 101 water outlet section sudden enlargements, the flow velocity of water reduces, oil slick lean on light specific gravity and on float on separator cartridge 102 tops and accumulate; Pump start when oil accumulates certain thickness will amass oil and discharge.Said process repeats, and thruster 103 ceaselessly is pressed into oil slick in the separator cartridge 102, can oil slick effectively be collected.The relative height of adjustment floating drum 100 and separator cartridge 102 makes the depth of the water submerging of separator cartridge 102 end faces about 30mm.
Floating-oil collector unit type: FYSQ-600; Material: carbon steel is anticorrosion; Maximum oil removing ability: 600L/H;
Oil pump is imported and exported caliber: DN12.5; Oil pump is inhaled journey: 8m; Oil pump top hole pressure: 1.2kgf/cm2; Installed power: 1.3KW; Voltage of supply: 380V.
The rotational flow separation degreasing technique is a kind of energy-efficient oily water separation technique.Its key component is a degreaser cyclone.Oily(waste)water injects degreaser cyclone 2 from tangential entry with certain pressure or speed, at the cyclone separator internal rotation, produces centrifuge field.Under action of centrifugal force, around the water that density is big is thrown toward, and move downward along wall, vertical tube is discharged by its upper side through the center; The oil that density is little is moved to middle and is moved upward, and after the top oil discharge outlet is regularly discharged, reaches the purpose of oily water separation.
Degreaser cyclone model: YSCB-20; Nominal output: 20m3/h; WP :≤0.6MPa; Oil slick clearance:>=50%; Current rotation flow velocity: 1.2-1.5m/s.Open water intaking valve, start intake pump.The cyclonic device brings into operation, and reaches 6 hours oil drain solenoid valve and successively opens once with the blowdown motorized valve when equipment moves accumulative total continuously, and blowdown is 3 minutes at every turn.Elder generation's oil extraction, back blowdown.
Dissolving 15 is soluble in water with a large amount of air, forms dissolved air water, as working medium; Through reliever sudden pressure reduction snap-out release; Produce a large amount of micro bubbles and adhere to behind coagulating on " alumen ustum " in the sewage, make flco or oils come-up, scrape to contaminated-oil basin through slag scraper; Thereby promptly remove suspended substance and oily substance in the water, treating water is the pond in the middle of flowing into.Oleaginousness through sewage after this device processes can descend significantly, and the oil slick clearance can reach 80%, and suspension removes clearance and reaches about 85%.
3 fens backflow Water Soluble Gas of air-floating apparatus release portion, dosing breakdown of emulsion, coacervation part, air supporting part, slag scraper part and electrical control part.
1, dosing breakdown of emulsion, coacervation part: breakdown of emulsion chemicals dosing plant 11 is accomplished adding of emulsion splitter, flocculation agent respectively with PAM chemicals dosing plant 12, and emulsion splitter adds in line mixer, and flocculant concentration is in the air supporting inlet channel.
2, dissolving: dissolving 15 is used for the pressure air-dissolving of recirculation water.Keep certain air pressure in the dissolving 15, the clear water pressurization back in the intermediate water tank 16 gets in the dissolving 15.According to the Henry theorem, the solubleness of air in water is directly proportional with pressure.Because of the jar internal pressure increases, a large amount of air are soluble in water, form dissolved air water.Simultaneously, the hollow ball filler of certain altitude is housed in the dissolving 15, utilizes the big characteristics of packing specific area, increased the contact area of water and air, impel more air soluble in water.
The quality of air flotation effect depends primarily on the effect of backflow Water Soluble Gas and release.This air-floating apparatus adopts energy-efficient molten gas and release system.The WP of dissolving generally is controlled at 2.0-3.5kg/cm2.
3, air supporting part: dissolved air water in exposure chamber bottom by the dissolved air release release of reducing pressure suddenly; Make air soluble in water discharge a large amount of micro bubbles, in uphill process, run into the suspended substance and the elaioleucite of coacervation in the sewage, adsorbing in the above; And it is very fast floating to the water surface; Scrape them to slag chute through the scraping machine on air flotation pool top then, gravity drains into the waste residue pond, and clear water is collected through captation and entered intermediate water tank.
4, the automatic control of air-flotation system
Slag scraper is scraped foam automatically.Air compressor machine, dissolved air water pump and raw water pump interlock, the air compressor cylinder internal pressure is protected automatically and is treated set(ting)value.The air inlet SV keeps the air water balance according to dissolving fluid level controller signal auto-switch.
Air-floating apparatus model: QF-20; Designed water: 20m3/h; Dissolving diameter: Φ 600; Scraping machine power: 0.55kw; Dissolved-air pressure: 0.2-0.35MPa; Reflux ratio: 30%; Mixing time: 3.0min; Reaction times: 10min; Get into exposure chamber's flow rate of water flow:＜0.1m/s; Exposure chamber's current upflow velocity: 20mm/s; Exposure chamber's current residence time: 1.0min; Under separate chamber's current to flow velocity: 3.0mm/s; Separate chamber's current residence time: 30min.
The air supporting water outlet is from flowing into intermediate water tank, to satisfy the processing requirement of subsequent disposal.Useful volume is 9m
3
Every row system comprises two cover chemicals dosing plants.Be respectively: breakdown of emulsion chemicals dosing plant 11, PAM chemicals dosing plant 12, i.e. flocculation agent chemicals dosing plant.Emulsion splitter adds and connects degreaser cyclone 2 in the line mixer on being installed on system's water inlet pipe, and flocculant concentration is on the inlet channel of air-floating apparatus 3.
Chemicals dosing plant is formed (PLC ctc) by molten medicine-chest, whisking appliance, storage medicine-chest, volume pump, service platform, pipeline valve and system.Molten medicine-chest is used for dissolving and dilution medicine; The storage medicine-chest is used for storing and the metering medicine; Volume pump is used for adding soup to water quantitatively.
Dissolve medicine-chest: useful volume: 0.6m3; Material: carbon steel line with rubber; Agitator speed: 131r/min; Agitator power: 0.75KW; Storage medicine-chest: useful volume: 0.9m
3Material: carbon steel line with rubber; Volume pump: dosage: emulsion splitter chemicals dosing plant 8-12L/H, flocculation agent chemicals dosing plant 6-10L/H.
Emulsion splitter, Chemical Composition: the emulsion splitter effective ingredient is Calcium Chloride Powder Anhydrous pulvis (CaCl2), technical pure; CaCl2 net content 95%, magnesium and alkali metal chloride content≤0.2%, water-insoluble≤0.1%; PH value 7.5-8.5, basicity is in [Ca (OH) 2]≤0.1%.
Emulsion breaking principle: this medicament adds and in oily(waste)water, is used to destroy oil in water emulsion dispersion and emulsion state; Promptly destroyed the ionization equilibrium of oil in water emulsion, make its become can with the oil slick of water sepn.
Method of use: solution compound concentration: 5%, dosage: 30-50mg/L, volume pump flow: 8-12L/H.Coagulating agent, Chemical Composition: coagulating agent (PAC) adopts Poly aluminum Chloride (PAC), and Chemical Composition is [AL2 (OH) nCL6-n.H2O] m, II class technical grade, solid yellow pulvis.Massfraction>=29% of aluminum oxide (AL2O3), basicity 40-90%, the massfraction of water-insoluble≤1.5%.
Coagulation principle: in sewage, drop into coagulating agent (being ionogen), a large amount of positive ions are provided, lean on the electrostatic attraction effect to make a large amount of positive ions pour in the colloid diffusion layer and reach to adsorption layer; Make the diffusion layer completely dissolve; When reaching the charge neutrality state, ξDian Wei is zero, and its potential energy is less than the kinetic energy of Blang's operation; Make micelle get into gravisphere, thereby produce coacervation rapidly.
Method of use: solution compound concentration: 5%, dosage: 20-30mg/L, volume pump flow: 6-10L/H.
Make up a prescription:
1, in liquor box, injects about 1/2 water level of clear water earlier, start stirrer then.
2, quantitative medicament is slowly poured in the molten medicine-chest, water is continued to add in dosing limit, limit, stirs simultaneously.
Emulsion splitter: every case drops into calcium chloride pulvis 25kg
Coagulating agent: every case drops into Poly aluminum Chloride (PAC) pulvis 25kg
When 3, liquid level rises to the following 150-200mm of case face in dissolving medicine-chest, close water intaking valve, stop to add water.
4, behind the stirring 15-20min, the soup preparation is accomplished, and stops stirrer, opens molten medicine-chest and puts the medicine valve, puts to the storage medicine-chest soup subsequent use.
5, volume pump and the synchronous operation of one-level lift pump, PLC controls the start and stop of volume pump automatically in the time of automatically.
6, the volume pump dosage should be adjusted according to water quality.
Water-and-oil separator 4 is made up of housing, coarse polymeric component, valve etc., and the coarse polymer is solid netted uniform micro structure by sticking the forming of high molecular superfine fiber heat through special processing.After oily(waste)water gets into separator, at first get into one-level coarse coalescer, then lentamente through the cascade filtration district; The cascade filtration district is provided with professional oil removing filter core; Skin is the polypropylene fibre layer, and oil droplet is played adsorption, and internal layer is the differential fiber layer; Oil droplet is played desorption, float to oil discharge outlet rapidly so can the oil in the water be accumulated big oil droplet.Clear water gets into the bottom clear water zone through the filter core pipe core.Because the aperture ratio first step of second stage coarse device is little, density is big, so can further oil droplet more small in the water fully be caught, thereby reaches the purpose of oily water separation.
This water-and-oil separator 4 is formed (adopting the PLC ctc) by one-level filtrating area, cascade filtration district, clear water zone, Inlet and outlet water piping, recoil piping, oil draining system and system.
Water-and-oil separator unit type: YSFQ-20; Nominal output: 20m3/h; Oil extraction mode: SV automatic oil draining (PLC ctc); WP :≤0.6Mpa; Working temperature: 10-40 ℃; Built-in filter core quantity: 5; Single filter core water production rate: 5-6m3/h; The filter core material: PP melts and sprays; Filter core precision: 10 μ m; Filter core specification: Φ 300 * 750mm.
During debugging, before the oily(waste)water access arrangement, at first through the backwash pipe with filling with clear water in the equipment, will filter malthoid and filter core soaks, the clear water soak time is no less than 24 hours.After preventing the oily water access arrangement, greasy dirt directly sticks to the surface of filtration medium, the grease that formation can't backwash be removed.
Schedule of operation is: close turnover water valve, backwash water discharge valve, open backwash water intaking valve and top vent valve, when the top vent valve has water excessive, can close.
Operation: open water-and-oil separator water intaking valve, outlet valve, all the other valve closess are restarted the two-stage hoisting pump.Sewage gets into the bottom clear water zone and discharges from top to bottom after prefiltration, the oil removing of smart filtration two-stage.
Oil extraction: after equipment moves for some time continuously (cycle is adjustable), PLC housing instruction oil drain solenoid valve automatic oil draining once, oil extraction time 120-180 second.
Backwash: after equipment moves for some time (12 hours, the cycle is adjustable), automatic back-washing once.Backwash is accomplished in two steps, and the departmental level filtrating area is washed in the smart filter of first backwash lower floor's secondary district most.All backwash procedures are accomplished by the PLC housing under auto state automatically.Backwash finishes back backwash turnover water valve closes, and recovers normal operating condition.Every grade of backwash lasts 10 minutes.
Shut down for use: when equipment was in the shutdown dormant state, Device memory water should not discharged, and relies on the good water-permeable of filter core with the guarantor.
The work of activated charcoal filter 5 is accomplished through active-carbon bed.Current pass through active-carbon bed in the equipment from top to bottom, and the suspended substance in the water, oily substance, organic pollutant etc. are tackled by gac effectively, and the clear water after the filtration sees through active-carbon bed, and captation is discharged through the bottom.
Simultaneously, along with the increase of active-carbon bed containing filth amount, hole gradually reduces, and filtering head loss increases gradually, when intake pressure acquires a certain degree, just must carry out backwash to active-carbon bed, to recover its function.
Activated charcoal filter unit type: HTGB-20; Separate unit is exerted oneself: 20m3/h; Material: carbon steel is anticorrosion;
Pressure :≤0.6Mpa; The backwash cycle: backwash in 12 hours once (can be adjusted by reality); Backwash lasts: 10min;
Delivery turbidity:＜10FTU; Water outlet oil-containing:＜5mg/L; Backwash intensity: 6L/m2.s; Activated carbon particle size:
Thickness: 1000mm; Treatment capacity: designing treatment flow: 20m3/h.
The operation of activated charcoal filter and backwash cycle:
The 12 hours design and operation time of system, tackle activated charcoal filter subsequently and carry out backwash; Should guarantee effluent quality according to the adjustment backwash cycles such as variation of water quality.
The backwash flow: the purpose of backwash is to make gac oppositely loosening, and the pollution of being held back on the filtering layer is washed away, and reaches the effect of cleaning filtering layer, and the control backwash water yield is about 6L/m2.s, is not washed away with gac and is advisable.
The backwash time: the length of backwash time is relevant with the backwash cycle with the holding filth capacity of packing layer.The backwash time decides according to backwash draining turbidity.General backwash terminal point turbidity should be less than 10NTU, and promptly 10 spend, and the backwash time is 8-10 minute, suitably adjusts according to running condition during debugging.
Operational management: the strict operation program description of carrying out, observe delivery turbidity and oil-contg, exceeding standard must backwash, if permanent inefficacy then need be changed activated carbon.
Oil removing mechanism: the filter core of device in the equipment, skin is the polypropylene fibre layer, and oil droplet is played adsorption; Internal layer is the differential fiber layer, and oil droplet is played desorption, and residual oil content is trapped within cartridge surface and the hole in the sewage; Remove through backwash, thereby reach the purpose of oily water separation.
Accurate filter unit type: JMGB-20; Equipment is exerted oneself: 20m3/h; Equipment material: carbon steel is anticorrosion; The filter core material: PP melts and sprays; Filtering accuracy: 5 μ m; Filter core specification: Φ 65 * 750mm; Pressure :≤0.6Mpa; Delivery turbidity:＜100mg/l; Water outlet oil-containing:＜1mg/l.
The operation of equipment, backwash are controlled by the PLC housing automatically.The switching of all valves is all accomplished automatically, and backwash cycle and backwash are consuming time controls (setting-up time is adjustable) automatically by the design cycle.
Operation of this device and backwash are automatically, when trial run, adjust by following content:
Treatment capacity: designing treatment flow: 20m3/h.
Operation, backwash cycle: the operation of system design, backwash cycle are 12 hours, should be during debugging according to the variation of water quality, and effluent quality is guaranteed in adjustment such as treatment effect.
Backwash intensity: the same activated charcoal filter of backwash intensity.The backwash time: the length of backwash time is relevant with the holding filth capacity of filter core.The backwash time decides according to backwash draining turbidity.General requirement backwash terminal point turbidity should be less than 10NTU, and promptly 10 degree, can suitably be adjusted according to running condition 8-10 minute backwash time.
The replacing of filter core: along with the growth of system water time, filter core increases because of trapped substance, if after the backwash, needs more renew cartridge when running resistance does not still descend.
Claims (4)
1. oily water treatment system of hydropower station; It is characterized in that it mainly is made up of floating-oil collector (1), degreaser cyclone (2), air-floating apparatus (3), water-and-oil separator (4), activated charcoal filter (5) and accurate filter (6); Said floating-oil collector (1) is arranged in the equalizing tank (9); Equalizing tank (9) connects degreaser cyclone (2) through one-level lift pump (10); Degreaser cyclone (2) connects air-floating apparatus (3), and air-floating apparatus (3), water-and-oil separator (4), activated charcoal filter (5) and accurate filter (6) are connected successively; Said equalizing tank (9) is connected with oil trap (7), and oil trap (7) connects the oily(waste)water pipeline; Be provided with dissolving (15) and intermediate water tank (16) between said air-floating apparatus (3) and the water-and-oil separator (4); Dissolving (15) connects the air outlet of air-floating apparatus (3); Air-floating apparatus (3) connects intermediate water tank (16), and intermediate water tank (16) connects water-and-oil separator (4) through two-stage hoisting pump (14); Said floating-oil collector (1) mainly is made up of floating drum (100), flooding tube (101), separator cartridge (102) and thruster (103); Between floating drum (100) and flooding tube (101) relative height is arranged; Be provided with flooding tube (101) in the separator cartridge (102), separator cartridge (102) inwall and flooding tube (101) outer wall constitute gathering room (104), are provided with thruster (103) in the flooding tube (101); Gathering room (104) is communicated with oil suction pipe (105), and oil suction pipe (105) connects oil pump; Distance is 25mm to 35mm between said separator cartridge (102) and the interior liquid level of equalizing tank (9).
2. oily water treatment system of hydropower station according to claim 1 is characterized in that the side inlet of said degreaser cyclone (2) connects breakdown of emulsion chemicals dosing plant (11), and the top exit of degreaser cyclone (2) connects PAM chemicals dosing plant (12).
3. oily water treatment system of hydropower station according to claim 1 is characterized in that said dissolving (15) is connected with air compressor machine (8).
4. oily water treatment system of hydropower station according to claim 1 is characterized in that said intermediate water tank (16) connects air-floating apparatus (3) entrance end through return line (13).
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4303278A1 (en) * | 1993-02-05 | 1994-08-11 | Passavant Werke | Process for treating the contents of fat separators |
| CN1778696A (en) * | 2004-11-18 | 2006-05-31 | 吴伟利 | Treatment of oil-bearing waste water |
| CN201713406U (en) * | 2010-05-11 | 2011-01-19 | 江苏元宏科技发展有限公司 | Oily wastewater treatment system for hydropower station |
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