CN101823798A - Oily water treatment system of hydropower station - Google Patents

Oily water treatment system of hydropower station Download PDF

Info

Publication number
CN101823798A
CN101823798A CN 201010168620 CN201010168620A CN101823798A CN 101823798 A CN101823798 A CN 101823798A CN 201010168620 CN201010168620 CN 201010168620 CN 201010168620 A CN201010168620 A CN 201010168620A CN 101823798 A CN101823798 A CN 101823798A
Authority
CN
China
Prior art keywords
oil
water
air
floating
connects
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 201010168620
Other languages
Chinese (zh)
Other versions
CN101823798B (en
Inventor
周竞良
蒋建明
蒋杰
周敏卓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU YUANHONG TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
JIANGSU YUANHONG TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU YUANHONG TECHNOLOGY DEVELOPMENT Co Ltd filed Critical JIANGSU YUANHONG TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201010168620A priority Critical patent/CN101823798B/en
Publication of CN101823798A publication Critical patent/CN101823798A/en
Application granted granted Critical
Publication of CN101823798B publication Critical patent/CN101823798B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Water Treatment By Sorption (AREA)

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

Oily water treatment system of hydropower station
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 at 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 maturation, reliable, take up an area of fewly, 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, described floating-oil collector is arranged in the equalizing tank, equalizing tank connects degreaser cyclone by the one-level lift pump, degreaser cyclone connects air-floating apparatus, and air-floating apparatus, water-and-oil separator, activated charcoal filter and accurate filter are connected successively.
Described equalizing tank is connected with oil trap, and oil trap connects the oily(waste)water pipeline.
The side inlet of described degreaser cyclone connects broken as 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 described 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 by the two-stage hoisting pump.
Described dissolving is connected with air compressor machine.
Described 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, be 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 described separator cartridge and equalizing tank.
Described intermediate water tank connects the air-floating apparatus entrance end by 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.
Fig. 3 is the structural representation of floating-oil collector 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 for breaking as 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:
As 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, described floating-oil collector 1 is arranged in the equalizing tank 9, equalizing tank 9 connects degreaser cyclone 2 by 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 discharge outlet of degreaser cyclone 2, air-floating apparatus 3, activated charcoal filter 5 and accurate filter 6 connects contaminated-oil basin.Degreaser cyclone 2 and water-and-oil separator 4 bottom drain connect sludge sump.
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 broken as 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 by two-stage hoisting pump 14.
Dissolving 15 is connected with air compressor machine 8.
As Fig. 3, floating-oil collector 1 mainly is made up of floating drum 100, flooding tube 101, separator cartridge 102 and thruster 103,101 of floating drum 100 and flooding tubes have relative height, be 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.
Intermediate water tank 16 connects air-floating apparatus 3 entrance ends by return line 13, carries out secondary treatment, makes the oil removing scrubbing more thorough.
As Fig. 1, technical process of the present invention is:
Oily(waste)water at first separates for the first time through 7 pairs of oil slick of oil trap, and run by gravity is to equalizing tank 9 then, and equalizing tank 9 can be regulated the water quality and the water yield.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 enter cyclonic 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 enters air-floating apparatus 3 after centrifugation, add emulsion splitter by breakdown of emulsion chemicals dosing plant 11 before entering air-floating apparatus 3, destroys the ionization equilibrium of oil in water emulsion, makes oil in water emulsion and water sepn.By dosing coagulants, make that the suspended substance coagulation becomes to be convenient to isolating flock in the water in degreaser cyclone 2 back.
Sewage enters the exposure chamber of air-floating apparatus 3 after the dosing reaction, 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 by slag scraper, reach the purpose of oil removing.
The air flotation pool water outlet of air-floating apparatus 3 enters intermediate water tank 16, by two-stage hoisting pump 14 the sewage pressurization is entered water-and-oil separator 4.
Sewage at first enters 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, oily substance effectively can be tackled.Sewage behind the oil removing filter element filtering enters strainer again and carries out advanced treatment.
Sewage at first enters activated charcoal filter 5, suspended substance in the water and oily substance interception further can be improved water quality.
The gac water outlet of activated charcoal filter 5 enters 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, oily substance can be tackled once more.
Sewage after above-mentioned bi-level treatment gets final product qualified discharge.
As Fig. 6, floating-oil collector 1 is made up of main frame and Controlling System two portions.Main frame comprises floating drum 100, flooding tube 101, separator cartridge 102, thruster 103 and oil level controllers.Controlling System comprises housing and oil pump.
During use, main frame is put into the water body that contains oil slick, main equipment floats on the water surface by the buoyancy of floating drum 100, regulate the relative height between floating drum 100 and the separator cartridge 102, make separator cartridge 102 keep balances and be submerged in the water, connect power supply, 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 by 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, oil slick effectively can be collected.Adjust the relative height of floating drum 100 and separator cartridge 102, make 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 cyclonic 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; Operating pressure :≤0.6MPa; Oil slick clearance: 〉=50%; Current rotation flow velocity: 1.2-1.5m/s.Open water intaking valve, start intake pump.The eddy flow splitter brings into operation, and accumulative total reaches 6 hours oil drain solenoid valve and the blowdown motorized valve is successively opened once when equipment moves continuously, each blowdown 3 minutes.Elder generation's oil extraction, back blowdown.
Dissolving 15 is soluble in water with a large amount of air, form dissolved air water, as working medium, by 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 by slag scraper, thereby promptly remove suspended substance and oily substance in the water, pond in the middle of the treating water gravity flow enters.Oleaginousness by 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: break and finish adding of emulsion splitter, flocculation agent respectively as chemicals dosing plant 11 and PAM chemicals dosing plant 12, 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, enter in the dissolving 15 after the clear water pressurization in the intermediate water tank 16.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 operating pressure 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, by the scraping machine on air flotation pool top they are scraped to slag chute 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 magnetic valve 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; Enter 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 centralized Control) by molten medicine-chest, agitator, storage medicine-chest, volume pump, service platform, pipeline valve and Controlling 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.
Molten 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 be used to destroy oil in water emulsion dispersion and emulsion state in oily(waste)water, has promptly destroyed the ionization equilibrium of oil in water emulsion, make its become can with the oil slick of water sepn.
Using method: solution compound concentration: 5%, dosage: 30-50mg/L, volume pump flow: 8-12L/H.Coagulating agent, Chemical Composition: coagulating agent (PAC) adopts polymerize aluminum chloride, 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, making a large amount of positive ions pour in the colloid diffusion layer by the electrostatic attraction effect reaches 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 enter gravisphere, thereby produce coacervation rapidly.
Using method: 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 polymerize aluminum chloride pulvis 25kg
3, when liquid level in the molten medicine-chest rises to the following 150-200mm of case face, close water intaking valve, stop to add water.
4, behind the stirring 15-20min, the soup preparation is finished, and stops stirrer, opens molten medicine-chest and puts the medicine valve, puts to the storage medicine-chest soup standby.
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 according to the water quality adjustment.
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 hot sticky the forming of high molecular superfine fiber through special processing.After oily(waste)water enters separator; at first enter one-level coarse coalescer; then lentamente by 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 modified fibre layer; oil droplet is played desorption, float to oil discharge outlet rapidly so the oil in the water can be accumulated big oil droplet.Clear water enters the bottom clear water zone by 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 centralized Control) by one-level filtrating area, cascade filtration district, clear water zone, Inlet and outlet water piping, recoil piping, oil draining system and Controlling System.
Water-and-oil separator unit type: YSFQ-20; Nominal output: 20m3/h; Oil extraction mode: magnetic valve automatic oil draining (PLC centralized Control); Operating pressure :≤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 will fill with clear water in the equipment by the backwash pipe, 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, can close when the top vent valve has water excessive.
Operation: open water-and-oil separator water intaking valve, outlet valve, all the other valve closess are restarted the two-stage hoisting pump.Sewage enters 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 finished 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 finished automatically by the PLC housing under auto state.Backwash finishes back backwash turnover water valve closes, and recovers normal operating condition.Every grade of backwash lasts 10 minutes.
Shut down stand-by: 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 finished by 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 effectively by gac, and the clear water after the filtration sees through active-carbon bed, discharges through the bottom captation.
Simultaneously, along with the increase of active-carbon bed containing filth amount, hole gradually reduces, and filtering head loss increases gradually, just must carry out backwash to active-carbon bed when intake pressure acquires a certain degree, to recover its function.
Activated charcoal filter unit type: HTGB-20; Separate unit is exerted oneself: 20m3/h; Material: carbon steel is anticorrosion; Design pressure :≤0.6Mpa; The backwash cycle: backwash in 12 hours is (can by actual adjustment) once; Backwash lasts: 10min; Delivery turbidity:<10FTU; Water outlet oil-containing:<5mg/L; Backwash intensity: 6L/m2.s; Activated carbon particle size:
Figure GSA00000115279600071
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.
Accurate filter 6 is the equipment of checking on together at last of native system.By accurate filter oily(waste)water is carried out Depth Filtration, reach the basic purpose of oil removing fully.Filter element of precision filter material and principle of work are identical with the water-and-oil separator inner filter core, filter core hole 5 μ m, and filtering accuracy is higher than water-and-oil separator.
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 modified fibre layer, and oil droplet is played desorption, and residual oil content is trapped within cartridge surface and the hole in the sewage, remove by 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; Design pressure :≤0.6Mpa; Delivery turbidity:<100mg/l; Water outlet oil-containing:<1mg/l.
The operation of equipment, backwash are controlled automatically by the PLC housing.The switching of all valves is all finished 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, press following content adjustment when trial run:
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 (8)

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), described floating-oil collector (1) is arranged in the equalizing tank (9), equalizing tank (9) connects degreaser cyclone (2) by 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.
2. oily water treatment system of hydropower station according to claim 1 is characterized in that described equalizing tank (9) is connected with oil trap (7), and oil trap (7) connects the oily(waste)water pipeline.
3. oily water treatment system of hydropower station according to claim 1 is characterized in that the side inlet connection of described degreaser cyclone (2) is broken as chemicals dosing plant (11), and the top exit of degreaser cyclone (2) connects PAM chemicals dosing plant (12).
4. oily water treatment system of hydropower station according to claim 1, it is characterized in that being provided with between described air-floating apparatus (3) and the water-and-oil separator (4) dissolving (15) and intermediate water tank (16), 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) by two-stage hoisting pump (14).
5. oily water treatment system of hydropower station according to claim 4 is characterized in that described dissolving (15) is connected with air compressor machine (8).
6. oily water treatment system of hydropower station according to claim 1, it is characterized in that described 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), 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.
7. oily water treatment system of hydropower station according to claim 6 is characterized in that distance is 25mm to 35mm between described separator cartridge (102) and the interior liquid level of equalizing tank (9).
8. oily water treatment system of hydropower station according to claim 4 is characterized in that described intermediate water tank (16) connects air-floating apparatus (3) entrance end by return line (13).
CN201010168620A 2010-05-11 2010-05-11 Oily water treatment system of hydropower station Expired - Fee Related CN101823798B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010168620A CN101823798B (en) 2010-05-11 2010-05-11 Oily water treatment system of hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010168620A CN101823798B (en) 2010-05-11 2010-05-11 Oily water treatment system of hydropower station

Publications (2)

Publication Number Publication Date
CN101823798A true CN101823798A (en) 2010-09-08
CN101823798B CN101823798B (en) 2012-10-17

Family

ID=42687998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010168620A Expired - Fee Related CN101823798B (en) 2010-05-11 2010-05-11 Oily water treatment system of hydropower station

Country Status (1)

Country Link
CN (1) CN101823798B (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102397712A (en) * 2010-09-15 2012-04-04 张步芳 Mobile oil-water separation device with floating oil absorber
CN102603032A (en) * 2012-04-03 2012-07-25 韶关学院 Device for separating illegal cooking oil
CN102701322A (en) * 2012-06-05 2012-10-03 陈太宏 Efficient floating oil collecting device
CN102807291A (en) * 2011-06-02 2012-12-05 中国科学院生态环境研究中心 Treatment method and equipment for oilfield produced water
CN102914999A (en) * 2011-08-03 2013-02-06 张大伟 Operation control device of active coke filtering and absorbing treatment sewage system
CN103373752A (en) * 2012-04-29 2013-10-30 张繁荣 Electronic-control high-efficiency oil-water separator
CN103466749A (en) * 2012-06-06 2013-12-25 陈晗 Effective method for removing oil content in aqueous solution
CN103539318A (en) * 2013-10-31 2014-01-29 福州城建设计研究院有限公司 Air flotation biological filter tank integrated equipment and control method thereof
CN104314785A (en) * 2014-06-06 2015-01-28 叶旭东 Fluid pushing and lifting equipment and method thereof
CN104402139A (en) * 2014-11-11 2015-03-11 辽宁省石油化工规划设计院有限公司 Processing method of oil-containing sewage
CN105645688A (en) * 2016-01-28 2016-06-08 王祥 Slaughter wastewater treatment complete device and slaughter wastewater treatment method
CN107285437A (en) * 2016-04-12 2017-10-24 长江三星能源科技股份有限公司 A kind of marine poly- drive use in waste water treatment electrofloatation device
CN108453074A (en) * 2017-12-27 2018-08-28 山东泰丰清洗科技有限公司 A kind of environment friendly and pollution-free vehicle-mounted type high-pressure water jet circulation cleaning device
CN108821493A (en) * 2018-06-28 2018-11-16 上海力脉环保设备有限公司 A kind of Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic tar refining processing method of sodium sulfate wastewater containing phenol
CN108996770A (en) * 2018-09-15 2018-12-14 北京翰祺环境技术有限公司 A kind of rapidly and efficiently oil removing Airfloat filtering pond
CN109701929A (en) * 2019-01-24 2019-05-03 江西中超泵业有限公司 A kind of gear pump production gear cleaning device
CN110028186A (en) * 2019-02-28 2019-07-19 苏州希图环保科技有限公司 A kind of high-concentration emulsified liquid efficient treatment process
CN110871149A (en) * 2018-09-03 2020-03-10 中国石油化工股份有限公司 Cyclone separation device, dangerous chemical cyclone separation system and cyclone separation method
CN112142234A (en) * 2020-10-22 2020-12-29 西安西热水务环保有限公司 Efficient treatment and recycling system and method for oily wastewater of thermal power plant
CN112390414A (en) * 2020-11-13 2021-02-23 华能澜沧江水电股份有限公司 Oily sewage treatment system for large and medium hydropower stations
CN116750933A (en) * 2023-08-17 2023-09-15 浙江大学海南研究院 Multistage filtration ocean mineral wastewater treatment method

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102397712B (en) * 2010-09-15 2014-04-23 张步芳 Mobile oil-water separation device with floating oil absorber
CN102397712A (en) * 2010-09-15 2012-04-04 张步芳 Mobile oil-water separation device with floating oil absorber
CN102807291B (en) * 2011-06-02 2014-05-07 中国科学院生态环境研究中心 Treatment method and equipment for oilfield produced water
CN102807291A (en) * 2011-06-02 2012-12-05 中国科学院生态环境研究中心 Treatment method and equipment for oilfield produced water
CN102914999A (en) * 2011-08-03 2013-02-06 张大伟 Operation control device of active coke filtering and absorbing treatment sewage system
CN102914999B (en) * 2011-08-03 2015-06-10 北京水桑田环保科技有限公司 Operation control device of active coke filtering and absorbing treatment sewage system
CN102603032A (en) * 2012-04-03 2012-07-25 韶关学院 Device for separating illegal cooking oil
CN103373752A (en) * 2012-04-29 2013-10-30 张繁荣 Electronic-control high-efficiency oil-water separator
CN102701322A (en) * 2012-06-05 2012-10-03 陈太宏 Efficient floating oil collecting device
CN103466749A (en) * 2012-06-06 2013-12-25 陈晗 Effective method for removing oil content in aqueous solution
CN103466749B (en) * 2012-06-06 2015-11-25 陈晗 A kind of method of oil content in effective elimination aqueous solution
CN103539318A (en) * 2013-10-31 2014-01-29 福州城建设计研究院有限公司 Air flotation biological filter tank integrated equipment and control method thereof
CN104314785B (en) * 2014-06-06 2017-10-31 叶旭东 A kind of fluid raises device and method thereof
CN104314785A (en) * 2014-06-06 2015-01-28 叶旭东 Fluid pushing and lifting equipment and method thereof
CN104402139A (en) * 2014-11-11 2015-03-11 辽宁省石油化工规划设计院有限公司 Processing method of oil-containing sewage
CN105645688A (en) * 2016-01-28 2016-06-08 王祥 Slaughter wastewater treatment complete device and slaughter wastewater treatment method
CN105645688B (en) * 2016-01-28 2018-11-16 王祥 Slaughterhouse wastewater treatment complexes and slaughterhouse wastewater treatment method
CN107285437A (en) * 2016-04-12 2017-10-24 长江三星能源科技股份有限公司 A kind of marine poly- drive use in waste water treatment electrofloatation device
CN108453074A (en) * 2017-12-27 2018-08-28 山东泰丰清洗科技有限公司 A kind of environment friendly and pollution-free vehicle-mounted type high-pressure water jet circulation cleaning device
CN108821493A (en) * 2018-06-28 2018-11-16 上海力脉环保设备有限公司 A kind of Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic tar refining processing method of sodium sulfate wastewater containing phenol
CN110871149B (en) * 2018-09-03 2022-03-04 中国石油化工股份有限公司 Cyclone separation device, dangerous chemical cyclone separation system and cyclone separation method
CN110871149A (en) * 2018-09-03 2020-03-10 中国石油化工股份有限公司 Cyclone separation device, dangerous chemical cyclone separation system and cyclone separation method
CN108996770A (en) * 2018-09-15 2018-12-14 北京翰祺环境技术有限公司 A kind of rapidly and efficiently oil removing Airfloat filtering pond
CN108996770B (en) * 2018-09-15 2023-12-19 北京翰祺环境技术有限公司 Quick high-efficient deoiling air supporting filtering pond
CN109701929A (en) * 2019-01-24 2019-05-03 江西中超泵业有限公司 A kind of gear pump production gear cleaning device
CN110028186A (en) * 2019-02-28 2019-07-19 苏州希图环保科技有限公司 A kind of high-concentration emulsified liquid efficient treatment process
CN110028186B (en) * 2019-02-28 2022-03-11 苏州希图环保科技有限公司 High-efficiency treatment process for high-concentration emulsion
CN112142234A (en) * 2020-10-22 2020-12-29 西安西热水务环保有限公司 Efficient treatment and recycling system and method for oily wastewater of thermal power plant
CN112390414A (en) * 2020-11-13 2021-02-23 华能澜沧江水电股份有限公司 Oily sewage treatment system for large and medium hydropower stations
CN116750933A (en) * 2023-08-17 2023-09-15 浙江大学海南研究院 Multistage filtration ocean mineral wastewater treatment method

Also Published As

Publication number Publication date
CN101823798B (en) 2012-10-17

Similar Documents

Publication Publication Date Title
CN101823798B (en) Oily water treatment system of hydropower station
CN106007209B (en) A kind of oil refinery's sewage oil removing pretreating process
CN102887596B (en) Method and device for treating oil-containing emulsified wastewater or waste emulsion
CN108128965A (en) A kind of coal chemical industry wastewater zero emission treatment method
CN207451766U (en) A kind of oil-containing sewage treatment system
CN201713406U (en) Oily wastewater treatment system for hydropower station
CN205095472U (en) Subside and remove oil tank and extraction water processing system
KR20130122744A (en) Method for separating liquid from suspended matter in a sludge and device for same
CN204281479U (en) A kind for the treatment of system of coating wastewater
CN205398327U (en) Modularization oil -containing sewage treatment system
CN101531424A (en) Sewage purification and reuse process and equipment thereof
CN202724758U (en) Steam turbine oil purifying machine
US6692638B2 (en) Method and apparatus for removing particulate contaminants from commercial laundry wastewater
CN205740576U (en) A kind of oil-water separation processing means for oily waste water
CN109019985A (en) A kind of processing method of oil-containing heavy metal wastewater thereby industry
CN2892839Y (en) Light oil polluted water integrated processing apparatus
CN205740438U (en) A kind of degreasing unit for oily waste water
CN108516651A (en) Processing method for incineration plant landfill leachate
CN205258190U (en) Oily sewage biochemical treatment system
CN2442735Y (en) Purifying separator for high-turbidity waste water containing oil
CN201240882Y (en) Coalescence-separation type apparatus for removing oil in water
CN105110514A (en) Method and device for treating emulsified oil wastewater generated from air compressor
CN109266873A (en) The device and method of oil slick in earth solution is removed in Rare-Earth Extraction Process
CN205258184U (en) Oily wastewater treating device
CN205258153U (en) Air supporting and filtration integrated device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121017

Termination date: 20140511