CN103159368B - Stage treatment type magnetic filter device - Google Patents
Stage treatment type magnetic filter device Download PDFInfo
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- CN103159368B CN103159368B CN201310129400.8A CN201310129400A CN103159368B CN 103159368 B CN103159368 B CN 103159368B CN 201310129400 A CN201310129400 A CN 201310129400A CN 103159368 B CN103159368 B CN 103159368B
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- filtrate
- oil
- liquid
- scraper plate
- magnetic roller
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Abstract
The invention discloses a stage treatment type magnetic filter device. The device comprises a liquid storage tank which is divided into a filtrate pre-treating area and a filtrate magnetic adsorption area by a clear liquid overflow plate, wherein the top of the filtrate pre-treating area is provided with an oil baffle plate, an oil sucking pipe inserted into a liquid level oil foam layer is arranged between the oil baffle plate and a filtrate inlet; the filtrate magnetic adsorption area is provided with a slag outlet, a clear liquid outlet and a rotary magnetic roller, the upper part of the rotary magnetic roller is provided with a slag guiding trough extending to the slag outlet, and the slag guiding slot is provided with a scraper plate matched with the surface of the rotary magnetic roller. The liquid storage tank is divided into the filtrate pre-treating area and the filtrate magnetic adsorption area, the filtrate pre-treating area is used for standing and precipitating suspended residual iron particles in a standing and precipitating mode, the precipitation is discharged from the liquid storage tank, and most of oil stain on the liquid level is sucked by the oil sucking pipe, the adsorption load of the filtrate magnetic adsorption area is effectively reduced, the filtrate magnetic adsorption area is used for scraping and guiding out the magnetic particles adsorbed on the rotary magnetic roller through the scraper plate. The device is simple in structure, the fault rate of the equipment is reduced, and the maintenance cost is lowered.
Description
Technical field
The present invention relates to field of metallurgy, for removing Residual oil and the residual iron of galvanizing line rinse water, to reduce the tripping device of belt steel surface ferromagnetic material, refer to particularly a kind of stage treatment formula magnetic filter.
Background technology
Cold rolled strip needs to use oil in water emulsion in the operation of rolling, on the one hand for lubricating rollers, on the one hand for taking away a large amount of distortion heat that rolling produces.Due to rolling phorogenesis, together with a large amount of iron materials of belt steel surface (iron or its oxide compound) are mixed in oil in water emulsion, and cold rolled strip carry out zinc-plated before, need to rinse the belt steel surface after rolling, remove residual oil in water emulsion and the iron material of belt steel surface, therefore can be with a large amount of Residual oils and residual iron in rinse water.If Residual oil does not separate totally and just recycles with residual iron in rinse water, will cause zinc scar defect, and furnace hearth roller salamander, scratch belt steel surface; In galvanizing process, also can increase zinc pot cadmia generates.Therefore in rinse water, the processing of Residual oil and residual iron has directly affected the quality product of cold rolled strip
Residual oil in existing technique in rinse water is normally removed by alkali lye chemical reaction in technology groove; After being rinsed, residual iron, by special magnetic linkage strainer, its absorption is struck off to discharge.Existing magnetic linkage filtration unit is arranged on by cleaning section, and the mixture absorption of the greasy dirt in pending liquid, impurity and iron powder is removed in the magnetic adsorption of the aid of permanent magnet.But, only still cannot reach best removal effect by above means, in pending liquid, except small part iron material passive precipitation, the ferromagnetic material that the overwhelming majority suspends all need to strike off by the absorption of magnetic linkage device, has increased the absorption load of magnetic linkage.And, due to the Residual oil in rinse water by alkali lye and after do not eliminate completely, due to the adhesive effect of oil and iron, increase again the difficulty that scraper plate strikes off bar magnet Surface Fe material, strike off operation and carry out for a long time, residual iron adsorptive capacity is crossed ambassador's scraper plate serious wear, strikes off deleterious, need often to change, increased the cost of safeguarding and overhauling.
Summary of the invention
Object of the present invention is exactly to overcome the defect that existing magnetic filter exists, provide a kind of adsorption efficiency high, strike off stage treatment formula magnetic filter effective, failure rate is low.
For achieving the above object, the stage treatment formula magnetic filter that the present invention is designed, comprises liquid-storing box, and its special character is: described liquid-storing box is separated into filtrate pretreating zone and filtrate magnetic adsorption zone by clear liquid overflow plate; Described filtrate pretreating zone outer upper is provided with filtrate import, bottom, described filtrate pretreating zone is provided with sediment discharge outlet, top, described filtrate pretreating zone is provided with the oil weir that stretches into liquid level downwards, is provided with the oil suction pipe that inserts liquid level oil foam layer between described oil weir and filtrate import; Described filtrate magnetic adsorption zone outer upper and bottom are respectively arranged with scrapes slag outlet and purified liquor outlet, described filtrate magnetic is provided with rotary magnetic roller in adsorption zone, described rotary magnetic roller top is provided with and extends to the slag guiding trough of scraping slag outlet, on described slag guiding trough, be provided with the scraper plate matching with rotary magnetic roller roll surface, between described rotary magnetic roller bottom and clear liquid overflow plate, be formed with arc filtrate treatment trough.
Further, described filtrate ingress is provided with liquid feeding pump, on described oil suction pipe, be provided with oil suction pump, between described oil weir and filtrate import, be provided with the liquid level sensor that detects liquid level oil foam layer height, the signal output part of described liquid level sensor is connected with the detecting end of PLC controller, and the drive end of described PLC controller is connected with the signal control end of liquid feeding pump and oil suction pump respectively.Like this, by PLC controller operation liquid feeding pump and oil suction pump synchronous working, carry out oil suction operation.
Further, bottom, described filtrate pretreating zone for being the wedge structure of 10 ~ 15 ° centered by sediment discharge outlet.Like this, can make residual iron particle in filtrate in filtrate pretreating zone by staticly settling, focus on sediment discharge outlet, facilitate staff to remove.
Further, described rotary magnetic roller forms by stainless steel shell with along the bar magnet being circumferentially evenly arranged on stainless steel outer casing inner wall.Like this, can strengthen rotary magnetic roller surface magnetic, improve rotary magnetic roller adsorption effect.
Further, described scraper plate is hinged on scraper plate adjustment rack, and utilizes own wt to be pressed in the roll surface of rotary magnetic roller, and described scraper plate adjustment rack is arranged on slag guiding trough.Like this, by scraper plate, the iron material adsorbing on the roll surface of rotary magnetic roller is struck off, discharge liquid-storing box by scraping slag outlet.
The invention has the advantages that: liquid-storing box is divided into filtrate pretreating zone and filtrate magnetic adsorption zone by the present invention, filtrate pretreating zone staticly settles most of residual iron particle suspending in the mode staticly settling, discharge liquid-storing box, and utilize oil suction pipe to extract the most of greasy dirt on liquid level, effectively reduce the absorption load of filtrate magnetic adsorption zone; Filtrate magnetic adsorption zone is struck off the magnetic-particle adsorbing on rotary magnetic roller and derive by scraper plate.This apparatus structure is simple, reduces the absorption load of rotary magnetic roller, reduces the failure rate of equipment, reduces maintenance cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of stage treatment formula magnetic filter.
In figure, each parts label is as follows: liquid-storing box 1(wherein: filtrate pretreating zone A, filtrate magnetic adsorption zone B, filtrate import 1a, purified liquor outlet 1b, scrape slag outlet 1c, sediment discharge outlet 1d), clear liquid overflow plate 2, oil suction pipe 3, liquid level sensor 4, rotary magnetic roller 5, slag guiding trough 6, scraper plate 7, liquid feeding pump 8, oil weir 9, arc filtrate treatment trough 10, bar magnet 11, PLC controller 12, oil suction pump 13, scraper plate adjustment rack 14, oil trap 15.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Stage treatment formula magnetic filter shown in Fig. 1, comprises liquid-storing box 1, and liquid-storing box 1 is separated into filtrate pretreating zone A and filtrate magnetic adsorption zone B by clear liquid overflow plate 2.
Filtrate pretreating zone A outer upper is provided with filtrate import 1a, and A bottom in filtrate pretreating zone is provided with sediment discharge outlet 1d, and A bottom in filtrate pretreating zone is the wedge structure of 10 ~ 15 ° centered by sediment discharge outlet 1d simultaneously.Filtrate is statically placed in to pretreating zone and precipitates, wherein ferromagnetic material is assembled to sediment discharge outlet 1d, staff regularly carries out deslagging operation by sediment discharge outlet 1d, or adopts the regular deslagging of Timer Controlling.
A top, filtrate pretreating zone is provided with the oil weir 9 that stretches into liquid level downwards, prevents that the long-pending oil on liquid level surface and oily foam from, from 2 overflows of clear liquid overflow plate, affecting filtrate magnetic adsorption zone B adsorption treatment.Between oil weir 9 and filtrate import 1a, be provided with and insert the oil suction pipe 3 of liquid level oil foam layer and the liquid level sensor 4 for detection of liquid level oil foam layer height; Filtrate import 1a place is provided with liquid feeding pump 8, is provided with oil suction pump 13 on oil suction pipe 3, and the signal output part of liquid level sensor 4 is connected with the detecting end of PLC controller 12, and the drive end of PLC controller 12 is connected with the signal control end of liquid feeding pump 8 and oil suction pump 13 respectively.Operate liquid feeding pump 8 and oil suction pump 13 works asynchronously by PLC controller 12, keep liquid level, make oil suction pipe 3 carry out oil suction operation, the greasy dirt of sucking-off is drained in oil trap 15.Because filtrate liquid level resid amount may be also inhomogeneous, for preventing that oil suction pump 13 from dallying, the control signal that liquid level sensor 4 signals and oil suction pump 13 and liquid feeding pump 8 are set links, and oil suction operation is carried out in timing.
Filtrate magnetic adsorption zone B outer upper and bottom are respectively arranged with scrapes slag outlet 1c and purified liquor outlet 1b, in filtrate magnetic adsorption zone B, be provided with rotary magnetic roller 5, rotary magnetic roller 5 forms by stainless steel shell with along the bar magnet 11 being circumferentially evenly arranged on stainless steel outer casing inner wall.Rotary magnetic roller 5 tops are provided with and extend to the slag guiding trough 6 of scraping slag outlet 1c, are provided with the scraper plate 7 matching with rotary magnetic roller 5 roll surfaces on slag guiding trough 6, are formed with arc filtrate treatment trough 10 between rotary magnetic roller 5 bottoms and clear liquid overflow plate 2.Scraper plate 7 is hinged on the scraper plate adjustment rack 14 being installed on slag guiding trough 6.Scraper plate 7 utilizes own wt to be pressed in the surface of rotary magnetic roller 5, and the scum scraping relies on deadweight to drop on slag guiding trough 6 and derives liquid-storing box 1 by scraping slag outlet 1c.
Principle of work of the present invention is: pending filtrate is entered the filtrate pretreating zone A of liquid-storing box 1 by filtrate import 1a by liquid feeding pump 8, detect filtrate liquid level oil foam layer height by liquid level sensor 4 and send a signal to PLC controller 12, PLC controller 12 operates the oil suction pump 13 arranging on liquid feeding pump 8 and oil suction pipe 3 and works asynchronously, keep liquid level, make liquid level oil foam layer flood the mouth of pipe of oil suction pipe 3, prevent that oil suction pump 13 from dallying, oil suction pipe 3 is drained into pending filtrate liquid level oil foam layer sucking-off liquid-storing box 1 in oil trap 15; Pending filtrate leaves standstill in the A of filtrate pretreating zone, and ferromagnetic material is wherein assembled to sediment discharge outlet 1d, and staff regularly carries out deslagging operation by sediment discharge outlet 1d, or adopts the regular deslagging of Timer Controlling; Pending filtrate after the A pre-treatment of filtrate pretreating zone by 2 overflows of clear liquid overflow plate to filtrate magnetic adsorption zone B, pending filtrate is flow through around rotary magnetic roller 5 by arc filtrate treatment trough 10, ferromagnetic material is wherein adsorbed in continuous rotation by rotary magnetic roller 5, by scraper plate 7, the scum of the surface adsorption of rotary magnetic roller 5 is scraped again, drop on slag guiding trough 6 and derive liquid-storing box 1 by scraping slag outlet 1c, clear liquid after finishing dealing with is flowed out by purified liquor outlet 1b, completes the filtration work of the residual iron of Residual oil and other impurity in filtrate.
Claims (5)
1. a stage treatment formula magnetic filter, comprises liquid-storing box (1), it is characterized in that: described liquid-storing box (1) is separated into filtrate pretreating zone (A) and filtrate magnetic adsorption zone (B) by clear liquid overflow plate (2); Described filtrate pretreating zone (A) outer upper is provided with filtrate import (1a), bottom, described filtrate pretreating zone (A) is provided with sediment discharge outlet (1d), top, described filtrate pretreating zone (A) is provided with the oil weir (9) that stretches into liquid level downwards, is provided with the oil suction pipe (3) that inserts liquid level oil foam layer between described oil weir (9) and filtrate import (1a); Described filtrate magnetic adsorption zone (B) outer upper and bottom are respectively arranged with scrapes slag outlet (1c) and purified liquor outlet (1b), in described filtrate magnetic adsorption zone (B), be provided with rotary magnetic roller (5), described rotary magnetic roller (5) top is provided with and extends to the slag guiding trough (6) of scraping slag outlet (1c), on described slag guiding trough (6), be provided with the scraper plate (7) matching with rotary magnetic roller (5) roll surface, between described rotary magnetic roller (5) bottom and clear liquid overflow plate (2), be formed with arc filtrate treatment trough (10); Described filtrate import (1a) locates to be provided with liquid feeding pump (8), on described oil suction pipe (3), be provided with oil suction pump (13), between described oil weir (9) and filtrate import (1a), be provided with the liquid level sensor (4) that detects liquid level oil foam layer height, the signal output part of described liquid level sensor (4) is connected with the detecting end of PLC controller (12), and the drive end of described PLC controller (12) is connected with the signal control end of oil suction pump (13) with liquid feeding pump (8) respectively.
2. stage treatment formula magnetic filter according to claim 1, is characterized in that: bottom, described filtrate pretreating zone (A) is the wedge structure of 10～15 ° centered by sediment discharge outlet (1d).
3. stage treatment formula magnetic filter according to claim 1 and 2, is characterized in that: described rotary magnetic roller (5) forms by stainless steel shell with along the bar magnet (11) being circumferentially evenly arranged on stainless steel outer casing inner wall.
4. stage treatment formula magnetic filter according to claim 1 and 2, it is characterized in that: described scraper plate (7) is hinged on scraper plate adjustment rack (14), and utilizing own wt to be pressed in the roll surface of rotary magnetic roller (5), described scraper plate adjustment rack (14) is arranged on slag guiding trough (6).
5. stage treatment formula magnetic filter according to claim 3, it is characterized in that: described scraper plate (7) is hinged on scraper plate adjustment rack (14), and utilizing own wt to be pressed in the roll surface of rotary magnetic roller (5), described scraper plate adjustment rack (14) is arranged on slag guiding trough (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310129400.8A CN103159368B (en) | 2013-04-15 | 2013-04-15 | Stage treatment type magnetic filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310129400.8A CN103159368B (en) | 2013-04-15 | 2013-04-15 | Stage treatment type magnetic filter device |
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| CN103159368A CN103159368A (en) | 2013-06-19 |
| CN103159368B true CN103159368B (en) | 2014-06-18 |
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| CN201310129400.8A Expired - Fee Related CN103159368B (en) | 2013-04-15 | 2013-04-15 | Stage treatment type magnetic filter device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243512A (en) * | 2016-12-24 | 2017-10-13 | 天津海钢板材有限公司 | A kind of device lubricated for strip and the equipment and application method of storage |
| CN106694224B (en) * | 2017-01-11 | 2019-04-05 | 中国科学院过程工程研究所 | A kind of whole process serialization gas magnetic assist separation system |
| CN108373231A (en) * | 2018-03-30 | 2018-08-07 | 张洪 | The separator and its separation method of magnetic impurity and greasy dirt in a kind of removal sewage |
| CN108502993B (en) * | 2018-04-28 | 2020-12-08 | 新沂市锡沂高新材料产业技术研究院有限公司 | Intelligent magnetic separation type water treatment equipment |
| CN110026290B (en) * | 2019-05-05 | 2020-07-24 | 圣航粉末冶金河北有限公司 | Ferromagnetic powder filtering method for gearbox gear oil |
| CN113634369A (en) * | 2020-05-11 | 2021-11-12 | 北矿机电科技有限责任公司 | Permanent magnetism cylinder magnet separator self-adaptation control system |
| CN114906972B (en) * | 2022-05-30 | 2023-05-02 | 新昌县联信智能科技股份有限公司 | Waste water collecting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4686035A (en) * | 1985-07-24 | 1987-08-11 | Barnes Drill Co. | Cylindrical drum magnetic separator |
| CN101128282A (en) * | 2005-12-22 | 2008-02-20 | 株式会社分离 | Dirty liquid treating apparatus |
| CN101468332A (en) * | 2007-12-29 | 2009-07-01 | 江苏力星钢球有限公司 | Centralized processor for iron shaving in ball-grinding feed liquid |
| CN201978537U (en) * | 2010-12-15 | 2011-09-21 | 武汉钢铁(集团)公司 | Automatic oil-water separating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4854224B2 (en) * | 2005-06-24 | 2012-01-18 | 住友重機械ファインテック株式会社 | Mixed fluid separation device and method |
-
2013
- 2013-04-15 CN CN201310129400.8A patent/CN103159368B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4686035A (en) * | 1985-07-24 | 1987-08-11 | Barnes Drill Co. | Cylindrical drum magnetic separator |
| CN101128282A (en) * | 2005-12-22 | 2008-02-20 | 株式会社分离 | Dirty liquid treating apparatus |
| CN101468332A (en) * | 2007-12-29 | 2009-07-01 | 江苏力星钢球有限公司 | Centralized processor for iron shaving in ball-grinding feed liquid |
| CN201978537U (en) * | 2010-12-15 | 2011-09-21 | 武汉钢铁(集团)公司 | Automatic oil-water separating device |
Non-Patent Citations (1)
| Title |
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| JP特开2007-978A 2007.01.11 |
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| CN103159368A (en) | 2013-06-19 |
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Effective date of registration: 20170712 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuchang, Hubei Friendship Road, No. A, block, floor 999, 15 Patentee before: Wuhan Iron & Steel (Group) Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20200415 |