CN203474569U - Combined cavitation-air floatation equipment - Google Patents

Combined cavitation-air floatation equipment Download PDF

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Publication number
CN203474569U
CN203474569U CN201320461377.8U CN201320461377U CN203474569U CN 203474569 U CN203474569 U CN 203474569U CN 201320461377 U CN201320461377 U CN 201320461377U CN 203474569 U CN203474569 U CN 203474569U
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CN
China
Prior art keywords
air
air supporting
cavitation
supporting cell
cell
Prior art date
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CN201320461377.8U
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Chinese (zh)
Inventor
范春健
Original Assignee
麦王环保工程技术(上海)有限公司
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Priority to CN201320461377.8U priority Critical patent/CN203474569U/en
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Publication of CN203474569U publication Critical patent/CN203474569U/en

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Abstract

The utility model discloses combined cavitation-air floatation equipment. The combined cavitation-air floatation equipment mainly comprises a floatation tank body, a cavitation aerator, a reflux device, a slag scraping device, a filler oil suction device and an adjustable overflow weir plate, and is characterized in that the floatation tank body is a normal pressure container with a frame structure; the cavitation aerator is vertically arranged at the front end of the floatation tank body; an aeration chamber is formed in the front part of the floatation tank body; the reflux device is arranged on the lower part of the floatation tank body; a hollow impeller is arranged on the bottom part of the cavitation aerator; a micro-negative pressure vacuum area is formed in the aeration chamber by the hollow impeller which is rotated at a high speed; the slag scraping device is arranged on the top part of the floatation tank body; the filler oil suction device is arranged on the back part of the floatation tank body; the adjustable overflow weir plate and a water discharge port are arranged at the back end of the floatation tank body. The combined cavitation-air floatation equipment has the advantages that the disadvantages of the treatment effects of the conventional single-stage cavitation-air floatation system can be overcome effectively; the treatment of removing the pollutants, such as oil and suspended solids, is completed by a combined process of floatation and adsorption filtration.

Description

Combined cavitation air flotation equipment
Technical field
The utility model relates to a kind of environmental protection equipment, particularly a kind of combined cavitation air flotation equipment.
Background technology
Air supporting is a kind of conventional waste disposal plant, and it,, as Wastewater Pretreatment oil removing system, is widely used in every field, especially in the industries such as iron and steel, petrochemical industry, mechanical workout, papermaking.The micro-bubble that air supporting disperses by height of formation in water, adhere to solid or the liquid particle of hydrophobic group in waste water, form water-gas-particle three-phase mixed system, after particle adhesion bubble, forming apparent density is less than the flco of water and floats to the water surface, formation scum layer is struck off, thereby realizes the process of solid-liquid or the separation of liquid liquid.
Cavitation air flotation is pneumatically supported a kind of, and its principle is: through the reacted waste water of leading portion coagulation-flocculation, from cavitation aeration section, enter, the support effect that cutting produces bubble through Cavltation aerator high speed rotating, rises to surface by reacted oil and suspended substance.Through slag scraper, strike off in mud-collecting slot, by spiral conveyer, sent; Clear water is moved forward by gravity, by adjustable overflow weir, discharges.
When, concentration of suspension oily in water inlet is higher, only adopt single-stage cavitation air flotation, also be not enough to allow the pollution factors such as oil, suspended substance be removed to the concentration that follow-up biochemistry can bear, for reaching the object that continues to reduce pollutent, therefore conventionally adopt and increase the method that other equipment are processed.Although object has reached, shortcoming also clearly:
1) floor space is large.System all arranges separately, and required occupation of land is larger;
2) energy consumption is high.The equipment that two covers arrange separately need be equipped with independently propulsion source;
3) invest high.The aspects such as two same equipment slave units, material, control are all higher.
Therefore, in view of existing waste water cavitation air flotation, process more existing problems, need to meet especially the requirement of special water quality, by the improvement to existing cavitation air flotation, invent, make up the weak point in existing cavitation air flotation device processes effect.
Summary of the invention
Goal of the invention of the present utility model is for the defect existing in prior art, and a kind of combined cavitation air flotation equipment is provided.The utility model, by " air supporting+adsorption filtration " combination process, can effectively make up the deficiency of single-stage cavitation air flotation treatment effect existence and the shortcoming of multi-stage process equipment operation.
The utility model mainly comprises: air supporting cell body, Cavltation aerator, reflux, slag scraper, filler Oil sucking device, adjustable overflow weir, it is characterized in that air supporting cell body is non-pressure vessel, air supporting cell body by carbon steel or stainless steel or concrete for making through rotproofing.Air supporting cell body is skeleton construction, Cavltation aerator is vertically mounted on air supporting cell body front end, air supporting cell body front end is provided with solarization air cell, bottom is provided with reflux, Cavltation aerator bottom is provided with hollow impellers, and the hollow impellers of high speed rotating forms the vacuum zone of micro-negative pressure in solarization air cell, through the reacted waste water of leading portion coagulation-flocculation, from cavitation aeration section, enters, the support effect that cutting produces bubble through Cavltation aerator high speed rotating, rises to surface by reacted oil and suspended substance.Slag scraper is arranged on the top of air supporting cell body, through slag scraper, scum silica frost is struck off in the scum silica frost receiving tank of slag scraper, by spiral conveyer, is sent.Air supporting cell body rear portion is provided with filler Oil sucking device, waste water is moved forward by gravity, crosses the filler Oil sucking device water-in that flow to rear end, by oil suction packing area from air supporting cell body bottom, further, by oil slick absorption, clear water is discharged by the adjustable overflow weir of the rear end of air supporting cell body.
The water-in of described filler Oil sucking device is arranged on the bottom at air supporting cell body rear portion, is provided with filter cap before water-in, is provided with and can adsorbs small-particle oil slick lipophilicity filler in filler Oil sucking device.
Described slag scraper is driven by motor, around the sprocket wheel cycle rotation at two ends, strikes off scum silica frost, and scum silica frost receiving tank and spiral conveying mechanism are equipped with in the bottom of the slag scraper of being made by stainless steel, rubber, high polymer material.
Described reflux is that the several return lines that are arranged on solarization air cell bottom form.
The adjustable overflow weir of the rear end of described air supporting cell body is that handwheel regulates or automatically regulates.
The utility model has the advantages that combined cavitation air flotation equipment, can effectively make up the deficiency of existing single-stage cavitation air flotation system treatment effect, by " air supporting+adsorption filtration " combination process, complete the processing of pollutents such as removing oil and suspended substance, it possesses following advantage:
1) adopt intensive design, merged the effect of many covers processing unit series connection, optimize and combine in a set of equipment, saved floor space.
2) cross water and directly connect, reduce pipe and damage, adopt run by gravity, compare with the independent setting of many complete equipments, saved energy consumption, saved running cost.
3) compact design has been saved material, has saved intermediate connection tube road, valve etc. simultaneously.
4) operational management is convenient.The parts that do not need repairing in groove, all moving partss conveniently can and, whole system normal pressure operation.
5) replacement frequency is low, and through the processing of cavitation air flotation, most of pollution factor is removed, and oil suction filler is further removed small-particle oil droplet, makes treatment effect better.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model.
In figure: 1 water-in, 2 Cavltation aerators, 3 solarization air cell, 4 refluxes, 5 slag scrapers, 6 filter caps, 7 filler Oil sucking devices, 8 adjustable overflow weir, 9 water outlets, 10 air supporting cell bodies.
Embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model:
Referring to Fig. 1, the present embodiment is by air supporting cell body 10, Cavltation aerator 2, reflux 4, slag scraper 5, filler Oil sucking device 7, adjustable overflow weir 8, and water-in 1, water outlet 9 form.Air supporting cell body 10 is by carbon steel or stainless steel or concrete for making, through rotproofing.The air supporting cell body 10 of the present embodiment is through antiseptic carbon steel air supporting cell body.Air supporting cell body 10 is non-pressure vessel, and air supporting cell body 10 is skeleton construction, by carbon steel or stainless steel or concrete for making, through rotproofing.Cavltation aerator 2 is vertically mounted on the front end of air supporting cell body 10, air supporting cell body 10 front ends are provided with solarization air cell 3, the front end that water-in 1 is arranged on air supporting cell body 10 communicates with solarization air cell 3, air supporting cell body 10 front end bottoms are provided with reflux 4, Cavltation aerator 2 bottoms are provided with hollow impellers, the hollow impellers of high speed rotating is in the vacuum zone of the micro-negative pressure of the interior formation of solarization air cell 3, through the reacted waste water of leading portion coagulation-flocculation, from solarization air cell 3, enter, the support effect that 2 high speed rotating cuttings produce bubble through Cavltation aerator, rises to surface by reacted oil and suspended substance.Reflux 4 forms for being arranged on three return lines of solarization air cell 3 bottoms, by Cavltation aerator 2 high speed rotating in the interior formation of solarization air cell 3 vacuum zone, form micro-negative pressure, the effect of being stressed of air supporting cell body 10 bottom water flow, from right part, enter return line, flow into solarization air cell 3, realize the secondary circulation of sinking pollutent and remove.Slag scraper 5 is driven by motor, around the sprocket wheel cycle rotation at two ends, strikes off scum silica frost, and scum silica frost receiving tank and spiral conveying mechanism are equipped with in the bottom of slag scraper 5, and slag scraper is made by materials such as stainless steel, rubber, superpolymer.Slag scraper 5 is arranged on the top of air supporting cell body 10, and slag scraper 5 strikes off scum silica frost in the scum silica frost receiving tank of slag scraper 5, by spiral conveyer, is sent.Air supporting cell body 10 rear portions are provided with filler Oil sucking device 7, and the water-in of filler Oil sucking device 7 is arranged on the bottom at air supporting cell body 10 rear portions, are provided with filter cap 6 before water-in, and the filler of filler Oil sucking device 7 is for can adsorb small-particle oil slick lipophilicity filler.Waste water is moved forward by gravity, crosses the water-in of the filler Oil sucking device 7 that flow to rear end from air supporting cell body 10 bottoms, and by oil suction packing area, further by oil slick absorption, clear water is discharged by the adjustable overflow weir 8 of the rear end of air supporting cell body 10.Adjustable overflow weir 8 is handwheel adjusting or adjusting automatically.The present embodiment is that handwheel regulates.The end of air supporting cell body 10 is provided with water outlet 9, by " air supporting+adsorption filtration " combination process, is processed and is met please discharging through water outlet 9 by water of emission standard.
The present embodiment is a kind of combined air supporting, completes the environmental protection treatment of pollutents such as removing oil and suspended substance by " air supporting+adsorption filtration " combination process, and the technique of the present embodiment comprises the following steps:
A. oily(waste)water is inputted to solarization air cell 3, a large amount of microbubbles that rely on cavitation air flotation to produce float to the solid pollutant in waste water on liquid level;
B. reflux 4 is inputted solarization air cell 3 again by the untreated waste water of air supporting cell body 10 bottoms;
C. by slag scraper 5, the solid pollutant on liquid level is discharged;
D. the 7 pairs of oily(waste)waters of waste water inflow filler Oil sucking device after slag scraper 5 is processed carry out adsorption filtration processing;
E. the clear water that reaches emission standard is discharged through adjustable overflow weir 8.

Claims (5)

1. a combined cavitation air flotation equipment, mainly comprise: air supporting cell body, Cavltation aerator, reflux, slag scraper, filler Oil sucking device, adjustable overflow weir, it is characterized in that air supporting cell body is the non-pressure vessel of a skeleton construction, Cavltation aerator is vertically mounted on air supporting cell body front end, air supporting cell body front portion is provided with solarization air cell, bottom is provided with reflux, Cavltation aerator bottom is provided with hollow impellers, the hollow impellers of high speed rotating forms the vacuum zone of micro-negative pressure in solarization air cell, slag scraper is arranged on the top of air supporting cell body, air supporting cell body rear portion is provided with filler Oil sucking device, the rear end of air supporting cell body is provided with adjustable overflow weir and water port.
2. a kind of combined cavitation air flotation equipment according to claim 1, it is characterized in that the water-in of described filler Oil sucking device is arranged on the bottom at air supporting cell body rear portion, before water-in, be provided with filter cap, in filler Oil sucking device, be provided with and can adsorb small-particle oil slick lipophilicity filler.
3. a kind of combined cavitation air flotation equipment according to claim 1, it is characterized in that described slag scraper is driven by motor, sprocket wheel cycle rotation around two ends is struck off scum silica frost, and scum silica frost receiving tank and spiral conveying mechanism are equipped with in the bottom of the slag scraper of being made by stainless steel, rubber, high polymer material.
4. a kind of combined cavitation air flotation equipment according to claim 1, is characterized in that described reflux is that the several return lines that are arranged on solarization air cell bottom form.
5. a kind of combined cavitation air flotation equipment according to claim 1, the adjustable overflow weir that it is characterized in that the rear end of described air supporting cell body is that handwheel regulates or automatically regulates.
CN201320461377.8U 2013-07-30 2013-07-30 Combined cavitation-air floatation equipment CN203474569U (en)

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Application Number Priority Date Filing Date Title
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CN203474569U true CN203474569U (en) 2014-03-12

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104341068A (en) * 2013-07-30 2015-02-11 麦王环境技术股份有限公司 Combined cavitation air flotation apparatus and technology thereof
CN105254046A (en) * 2015-10-21 2016-01-20 苏树杰 Oil removal device for oil-containing water
CN105329980A (en) * 2015-10-28 2016-02-17 桂林瑞丰环保微生物应用研究所 Method of oil-water deep separation through gradient slag scraping
CN105347526A (en) * 2015-10-28 2016-02-24 桂林瑞丰环保微生物应用研究所 Horizontal and vertical bidirectional vibration oil water deoiling method
CN105347585A (en) * 2015-10-28 2016-02-24 桂林瑞丰环保微生物应用研究所 Method for separating oil and water

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104341068A (en) * 2013-07-30 2015-02-11 麦王环境技术股份有限公司 Combined cavitation air flotation apparatus and technology thereof
CN105254046A (en) * 2015-10-21 2016-01-20 苏树杰 Oil removal device for oil-containing water
CN105329980A (en) * 2015-10-28 2016-02-17 桂林瑞丰环保微生物应用研究所 Method of oil-water deep separation through gradient slag scraping
CN105347526A (en) * 2015-10-28 2016-02-24 桂林瑞丰环保微生物应用研究所 Horizontal and vertical bidirectional vibration oil water deoiling method
CN105347585A (en) * 2015-10-28 2016-02-24 桂林瑞丰环保微生物应用研究所 Method for separating oil and water

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Owner name: MAIWANG ENVIRONMENTAL TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: MCWONG ENVIRONMENTAL ENGINEERING TECHNOLOGY (SHANGHAI) CO., LTD.

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Address after: 200135 Pudong New Area City Mall Road, No. 1900 Jin Tao Building, room 1001, Shanghai

Patentee after: MCWONG ENVIRONMENTAL TECHNOLOGY CO., LTD.

Address before: 200135 Pudong New Area City Mall Road, No. 1900 Jin Tao Building, room 1001, Shanghai

Patentee before: McWong Environmental & Energy Group (Shanghai)