CN201436284U - Defoaming device for coking wastewater treatment - Google Patents

Defoaming device for coking wastewater treatment Download PDF

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Publication number
CN201436284U
CN201436284U CN2009200477674U CN200920047767U CN201436284U CN 201436284 U CN201436284 U CN 201436284U CN 2009200477674 U CN2009200477674 U CN 2009200477674U CN 200920047767 U CN200920047767 U CN 200920047767U CN 201436284 U CN201436284 U CN 201436284U
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CN
China
Prior art keywords
foam
pond
defeated
aerobic pond
foam device
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.)
Expired - Lifetime
Application number
CN2009200477674U
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Chinese (zh)
Inventor
陈伟
张国平
刘炳生
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ITT Hengtong Advanced Water Treatment Shanghai Co Ltd
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ITT Hengtong Advanced Water Treatment Shanghai Co Ltd
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Priority to CN2009200477674U priority Critical patent/CN201436284U/en
Application granted granted Critical
Publication of CN201436284U publication Critical patent/CN201436284U/en
Anticipated expiration legal-status Critical
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The utility model provides a defoaming device for coking wastewater treatment, which is characterized in that: a foam scraping device is arranged at the upper of a aerobic pond, a foam conveying device is arranged at one end of the aerobic pool, the defoaming device, and a separating pond and a loopback water pump are arranged at one side of the aerobic pond, wherein an outlet pipe of the defoaming device is connected with the separating pond, the outlet pipe of the separating pond is connected with the aerobic pond, the foam is scraped into a foam conveying groove of the foam conveying device, and a liquid level probe is arranged on the scraper. The foam scraping device, the foam conveying device and the defoaming device compose an complete defoaming system, pointing to the mass foam generated in the aerobic pond for coking wastewater treatment; the foam scraping device adopts a traveling manner for making foam scraping and return operation steady, automatically detects liquid level, regulates height of the scraper, and has good foam scraping effect; the foam conveying device adopts a shaft spiral manner and can effectively output the foam; and the defoaming device adopts a high speed centrifugal manner, and has the advantage of simple structure, small oscillation, easy operation and steady and reliable running, and can remove oils and bacteria body together with the foam.

Description

Despumation device in the Treatment of Coking Effluent
Technical field
The utility model relates to the Despumation device in a kind of Treatment of Coking Effluent, belong to the technical field of Industrial Wastewater Treatment.
Background technology
The waste water composition that produces in the waste water that coking chemical waste water is mainly formed by the moisture in the coking coal, gas purification process, tar and the crude benzol processing is a kind of phenol, cyanogen, oil, ammonia and a large amount of difficult trade effluent of high density inorganic and organic pollutant of containing.
Present domestic Technologies of Coke Plant Wastewater Treatment is mainly biological treatment, both after ammonia still process, removing heavy oil, air supporting pre-treatment, carries out anaerobism, aerobe processing, and the part system also is connected to follow-up materialization advanced treatment.In the process that aerobe is handled, because for the aerobe oxygen supply will be carried out aeration, and in Aerobic Pond, produce a large amount of foams, method commonly used is to utilize froth breaking water to eliminate foam in the Aerobic Pond surface sprinkling, perhaps utilize defoamer to eliminate foam, these two kinds of method effects are all bad in the practice, the latter more can deepen water pollution, influence treatment effect, marquis's foam can overflow Aerobic Pond or be blown out when a lot, and take part mud out of, foam is bonded at pool wall and ground, influences the environment of sewage disposal plant area.
Summary of the invention
The utility model proposes the Despumation device in a kind of Treatment of Coking Effluent, purpose is intended to overcome the bubble-related issues that Aerobic Pond produces in the existing Treatment of Coking Effluent process.One cover foam-removing system is installed on the Aerobic Pond of Treatment of Coking Effluent, is promptly utilized and scrape foam device-defeated foam device-foam device that disappears, remove the foam that the coking wastewater processing system Aerobic Pond produces.
Technical solution of the present utility model: its structure is to scrape the top that the foam device places Aerobic Pond, defeated foam device places an end of Aerobic Pond, Despumation device, separation pond, loopback water pump place a side of Aerobic Pond, wherein the rising pipe of Despumation device inserts and separates the pond, the rising pipe that separates the pond inserts Aerobic Pond by the loopback water pump, it is by scraping the scraper plate of the band rubber in the foam device that foam is scraped defeated foam groove in the defeated foam device, and scraper plate is provided with level probe.
Advantage of the present utility model:, adopt and scrape foam device-defeated foam device-complete foam-removing system of the foam device that disappears formation at a large amount of foams that Aerobic Pond in the Treatment of Coking Effluent produces; Scrape the foam device and adopt running type, scrape foam and return and operate steadily, detect liquid level automatically, regulate and scrape plate height, it is effective to scrape foam; Defeated foam device adopts a spiral way, can be effectively with foam output, and the abrasion-proof backing block of bottom has guaranteed the long-time running of defeated foam device; The foam device that disappears adopts high-speed centrifugal, it is simple in structure, vibrate little, easy and simple to handle, running steadily, reliably, utilize oil resistant non-woven fabrics filter screen not only to eliminate the foam that the coking wastewater processing system Aerobic Pond produces effectively, removed simultaneously with effusive oils, bacterium corpse, colloid, the dust that produces by Aerobic Pond of foam, and then made coking wastewater processing system better work.
Description of drawings
Accompanying drawing 1 is the schema of the foam-removing method in the Treatment of Coking Effluent.
Accompanying drawing 2 is system schematic of the Despumation device in the Treatment of Coking Effluent.
Accompanying drawing 3 is to scrape the synoptic diagram that the foam device moves to defeated foam device place.
Accompanying drawing 4 is the foam schematic representation of apparatus that disappear.
Coking chemical waste water, the C that coking chemical waste water, the B that A among the figure represents to flow into Aerobic Pond 6 represents to flow out Aerobic Pond 6 represent the to disappear non-woven fabrics of foam device 3 isolated foams and replacing separates filter bag; 1 expression is scraped disappear foam device, 4 expressions of foam device, the defeated foam device of 2 expressions, 3 expressions and is separated ponds, 5 expression loopback water pumps, the Aerobic Pond of 6 expression Treatment of Coking Effluent, 7 expression Aeration fans, the 8th, track termination, the 9th, and track, the 10th, wheel, the 11st, car body, the 12nd, scraper plate promotes motor, the 13rd, wheel drive motors, the 14th, level probe, the 15th, the scraper plate, the 16th of band rubber, electrical control cubicles; The 17th, defeated foam groove, the 18th, screw conveyor shaft, the 19th, abrasion-proof backing block, the 20th, carry motor, the 21st, go out the foam mouth, the 22nd, defeated foam pipe support, the 23rd, defeated foam pipeline, the 24th, defeated foam groove support, the 25th, base, the 26th, leg, the 27th, the leg outer cover, the 28th, rising pipe, the 29th, the chassis, the 30th, antirattle spring, the 31st, suspension rod, the 32nd, casing, the 33rd, bucket in the eye stainless steel with holes, the 34th, non-woven fabrics separates filter bag, the 35th, back-up ring, the 36th, inlet tube, the 37th, main shaft, the 38th, braking devices, the 39th, motor, the 40th, pulley belt, the 41st, clutch coupling.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further described.
Contrast accompanying drawing 1, coking chemical waste water A through pre-treatment flows into Aerobic Pond 6, the aerobic microbiological oxygen supply that Aeration fan 7 is given Aerobic Pond 6, flow out to subsequent disposal through the coking chemical waste water B after the aerobic biochemical processing, foam device 1 strikes off the foam that produces on Aerobic Pond 6 surfaces and through defeated foam device 2 foam is delivered to the foam device 3 that disappears by scraping, the non-woven fabrics of foam device 3 isolated foams and replacing of disappearing separates filter bag C outward transport to be handled, isolated water flows into and separates pond 4, separates the water outlet in pond 4 and sends Aerobic Pond 6 back to through loopback water pump 5.Reach and eliminate the foamy purpose.
Contrast accompanying drawing 2 is scraped the top that foam device 1 places Aerobic Pond 6, and defeated foam device 2 places an end of Aerobic Pond 6, and the foam device 3 that disappears, separation pond 4, loopback water pump 5 place the next door of Aerobic Pond 6.Scrape the track 9 of foam device 1 and establish track termination 8 at two ends to prevent that scraping foam device 1 plunges off the tracks 9, scrape on the car body 11 of foam device 1 wheel drive motors 13 is set, driving wheel 10 walks back and forth on track 9, scraper plate 15 by the band rubber scrapes foam in the defeated foam device 2 that is arranged on Aerobic Pond 6 one ends, utilize existing level probe 14 to survey liquid level automatically, promote the height of motor 12 control scraper plates 15 by scraper plate, when scraping foam device 1 and return, scraper plate 15 is mentioned simultaneously, can high-speed cruising when assurance is returned, and be located at the work of the whole froth breaking of the electrical control cubicles 16 controls system on Aerobic Pond 6 limits.Scrape foam device 1 and foam is scraped the defeated foam groove 17 that is installed on the defeated foam groove support 24, by carrying motor 20 to drive screw conveyor shaft 18 foam is sent into the foam device 3 that disappears by going out foam mouth 21 through defeated foam pipeline 23, abrasion-proof backing block 19 is installed below the screw conveyor shaft 18, and defeated foam pipeline 23 is fixed by defeated foam pipe support 22.The water outlet of foam device 3 of disappearing flow into to separate pond 4, and is transmitted back to Aerobic Pond 6 by loopback water pump 5.
Contrast accompanying drawing 3, scraping foam device 1 walks by wheel driving motor 13 driving wheels 10, by scraper plate promote motor 12 level probe 14 and scrape foam and the time variable control returned under the scraper plate 15 of elevator belt rubber, scraper plate 15 by the band rubber is scraped defeated foam groove 17 into defeated foam device 2 with foam, through the screw conveyor shaft 18 that is installed on the defeated foam groove support 24 foam delivery is walked again.Scrape the foam device and also can change chain-type into by the small rail car formula.
Contrast accompanying drawing 4; the structure of foam device 3 of disappearing is the tripod form; the chassis 29 of the whole foam device 3 that disappears is by suspension rod 31; antirattle spring 30 is suspended on the leg 26; leg 26 places on the base 25; peripheral hardware leg outer cover 27; disappear and establish back-up ring 35 spacing inlet tubes 36 on the foam device 3; foam enters the inner chamber of the foam device 3 that disappears through inlet tube 36; separating filter bag 34 high speed centrifugations through the non-woven fabrics that is supported by bucket 33 in the eye stainless steel with holes separates; with foam; oil; part mud is held back; isolated water is collected through shell 32 and chassis 29; discharge through rising pipe 28 again; motor 39 is by clutch coupling 41; pulley belt 40 drives main shaft 37 and makes bucket 33 high speed rotating in the eye stainless steel with holes, utilizes braking devices 38 can reach steady shutdown.
The working process of foam device of disappearing is: motor drives eye with holes stainless steel inner core high speed rotating; foam flows into eye stainless steel inner core with holes by the top of the foam device that disappears; the trend non-woven fabrics separates filter bag under action of centrifugal force; utilize non-woven fabrics to separate filter bag and separate foam; water sees through non-woven fabrics and separates filter bag; eye stainless steel inner core with holes; collecting the back by casing and chassis discharges; foam; oils; the bacterium corpse; colloid; dust is trapped in non-woven fabrics to be separated on the filter bag; behind the work one-period; the artificial shutdown and the rise inlet tube; take off old non-woven fabrics and separate filter bag, replace with new non-woven fabrics and separate filter bag, the next work period of beginning.
Embodiment:
Certain coke-oven plant 60m 3The foam removal transformation of Aerobic Pond in the/h Treatment of Coking Effluent
1. existing coking wastewater processing system
Certain coke-oven plant's coking chemical waste water water yield is 60m 3/ h is divided into east, two systems in west, adopts " oil removing-air supporting-electrolysis-anaerobism-double oxygen-aerobic-MBR-O 3" treatment process.
2. Aerobic Pond
1 of Aerobic Pond: 27.8mX5.9mX5.6m.Other pond body omits.
3. Despumation device
Despumation device constitutes by scraping foam device, defeated foam device, the foam device that disappears, separation water tank, loopback water pump and pipeline.Analyze contrast for convenience, only west system is transformed at present, after Aerobic Pond installed Despumation device additional, the foam that can in time Aerobic Pond be produced was removed, solved our bubble-related issues of long-term puzzlement well, and the east system of not installing Despumation device additional there is still a large amount of foams to overflow.The Despumation device parameter of design is as follows:
● scrape the foam device
Scrape the foam device: adopt running type, specification 534X1700X1100, speed of travel 3m/min, total
Power 2.7kW (wherein drive-motor 1.5kW promotes motor 0.75kW), scraper plate lift height 300mm, retum speed 12m/min.Supporting cycloidal planetary gear speed reducer: model 3WLY91,1kW, input 1140r/min, reduction ratio 1: 21.3,2 covers.
● defeated foam device
Defeated foam device: adopting has a helical feed mode, specification 420mmX114000mm, 51r/min, 7.5kW; Motor: 1140r/min, 7.5kW; Supporting DF parallel shafts dress helical speed reduction gear: model DFAF87-29, reduction ratio 1: 24.2.Owing to be transformation project, defeated foam device has been crossed over the MBR pond, and its length is longer, reaches 11.7m.
● the foam device disappears
The foam device disappears: centrifugal, and specification 1300r/min, 3kW; Roller diameter 600mm, useful volume 45L; Supporting 300～500 purpose non-woven fabrics filter bags are manually changed.
● separation water tank
1 of separation water tank: 2mX2mX2m, steel is anticorrosion.
● the loopback water pump
Loopback water pump: Q=10m 3/ h, H=10m, 2 of N=0.75kW (1 usefulness 1 is equipped with); Utilize will disappear the dried up Aerobic Pond that is transmitted back to of branch behind the foam of loopback water pump and connecting tube.

Claims (4)

1. the Despumation device in the Treatment of Coking Effluent, it is characterized in that scraping the top that the foam device places Aerobic Pond, defeated foam device places an end of Aerobic Pond, disappear the foam device, separate the side that pond, loopback water pump place Aerobic Pond, the rising pipe of foam device of wherein disappearing insert to separate the pond, the rising pipe that separates the pond inserts Aerobic Pond by the loopback water pump, and it is by scraping the scraper plate of the band rubber in the foam device that foam is scraped the defeated foam groove of failing the foam device, and scraper plate is provided with level probe.
2. the Despumation device in the Treatment of Coking Effluent according to claim 1 is characterized in that the described track of scraping in the foam device establishes the track termination at two ends, and wheel drive motors is set on the car body, drives wheel in orbit.
3. the Despumation device in the Treatment of Coking Effluent according to claim 1, it is characterized in that the conveying motor in the described defeated foam device connects screw conveyor shaft, go out the foam mouth and connect defeated foam pipeline, abrasion-proof backing block is installed below the screw conveyor shaft, defeated foam pipeline is fixed by defeated foam pipe support, and screw conveyor shaft is installed on the defeated foam groove support.
4. the Despumation device in the Treatment of Coking Effluent according to claim 1, the structure that it is characterized in that the described foam device that disappears is the tripod form, the chassis is suspended on the leg by suspension rod, antirattle spring, leg places on the base, the foam device peripheral hardware leg outer cover that disappears is established the spacing inlet tube of back-up ring on the foam device that disappears, support a non-woven fabrics by bucket in the eye stainless steel with holes and separate filter bag, the isolated water of collecting through shell and chassis inserts rising pipe, and motor connects main shaft by clutch coupling, pulley belt.
CN2009200477674U 2009-07-22 2009-07-22 Defoaming device for coking wastewater treatment Expired - Lifetime CN201436284U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200477674U CN201436284U (en) 2009-07-22 2009-07-22 Defoaming device for coking wastewater treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200477674U CN201436284U (en) 2009-07-22 2009-07-22 Defoaming device for coking wastewater treatment

Publications (1)

Publication Number Publication Date
CN201436284U true CN201436284U (en) 2010-04-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104324900A (en) * 2014-09-05 2015-02-04 无锡贺邦金属制品有限公司 Silicon foam scraper
CN107253770A (en) * 2017-08-22 2017-10-17 彭从文 Self-defoaming type sewage aeration pond
CN112028235A (en) * 2020-09-22 2020-12-04 广州晴哲科技有限公司 Water treatment separation equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104324900A (en) * 2014-09-05 2015-02-04 无锡贺邦金属制品有限公司 Silicon foam scraper
CN107253770A (en) * 2017-08-22 2017-10-17 彭从文 Self-defoaming type sewage aeration pond
CN112028235A (en) * 2020-09-22 2020-12-04 广州晴哲科技有限公司 Water treatment separation equipment

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SHANGHAI HENGTONG ADVANCED WATER TREATMENT CO., LT

Free format text: FORMER NAME: SHANGHAI ITT HENGTONG ADVANCED WATER TREATMENT CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 200333 Shanghai city Putuo District Tong Pu Lu Lane 1130 No. 8

Patentee after: Hengtong Advanced Water Treatment (Shanghai) Co., Ltd.

Address before: 200333 Shanghai city Putuo District Tong Pu Lu Lane 1130 No. 8

Patentee before: Shanghai ITT Hengtong Advanced Water Treatment Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100407