CN2903032Y - Hot rolling circulating waste water treating apparatus - Google Patents
Hot rolling circulating waste water treating apparatus Download PDFInfo
- Publication number
- CN2903032Y CN2903032Y CN 200520145275 CN200520145275U CN2903032Y CN 2903032 Y CN2903032 Y CN 2903032Y CN 200520145275 CN200520145275 CN 200520145275 CN 200520145275 U CN200520145275 U CN 200520145275U CN 2903032 Y CN2903032 Y CN 2903032Y
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- oil
- advection
- separation tank
- magnetic
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Abstract
The utility model relates to a hot-rolling circulating sewage processing device which comprises a magnetic separator, an advection oil separation tank, an oil recovery machine and a clear water reservoir. The magnetic separator is positioned on the origin platform of the advection oil separation tank. The water processed by the magnetic separator flows into the advection oil separation tank by potential gravity. A slag conveying notch is positioned between the two magnetic separators. The oil recovery machine is positioned on the terminal platform of the advection oil separation tank. The foreign substance in the water is impacted by several forces in magnetic separation, which is cleared when the magnetic force is greater than all the other total mechanical force. The oil separation tank makes the residual oil in the water float on the water surface by high load advection and skims the oil on the waste water surface into the recycling tank with the oil recovery machine. The utility model occupies small area, reasonable in flow process, advanced in control, excellent in processing performance, and low in operation cost, which is free of the defect and flaw in the traditional specification process, the discharge index reaching that of the circulation water for the hot-rolling circulating sewage system.
Description
Technical field
The utility model relates to a kind of novel device that utilizes permanent magnetism separation function and high loading advection oil removal function to carry out wastewater treatment, be specially adapted to the processing of steel industry hot rolling sewage circulating waste water, water can reach hot rolling sewage circulating systemic circulation use standard through cooling more after treatment.
Background technology
In steel industry hot rolling sewage circulating waste water, main pollutent is greasy filth and suspended substance, wherein topmost pollutent is a greasy filth, this greasy filth is that brown iron oxide adheres to oily formation, greasy filth content too much can cause the milling train jet pipe to stop up, wash out and be difficult to water attached to the product surface in the operation of rolling, easier product surface mud spot and the Wei Keng of causing causes the inefficacy of traditional water treatment facility, water quality vicious cycle simultaneously.
Traditional treatment process mostly is cyclone sediment, advection sedimentation and cascade filtration etc., its cardinal principle is that dependence medium gravity separation stops with the filtrate hole, methods such as medium separates are held back in hole absorption, there are problems such as handling greasy filth is not thorough, running cost is high, facility takes up an area of greatly, running environment difference in above traditional treatment method in the hot rolling sewage circulating wastewater treatment.
Summary of the invention
For solving the deficiencies in the prior art, the utility model provides a kind of hot rolling recirculating sewage treating system, this device utilizes magnetic force that the magnetic in the waste water, weak magnetic and non magnetic floc sedimentation suspended substance and greasy filth are separated, utilize the high loading advection oil separation tank that remaining oil content in the water is separated again, remove oil slick to reach the purpose that purifies water by float oil recovering machine at last.
The technical scheme that its technical problem that solves the utility model adopts is: hot rolling recirculating sewage treating system comprises magnetic separator, advection oil separation tank, float oil recovering machine and clean water basin, magnetic separator is arranged on the origin or beginning platform of advection oil separation tank, the magnetic separator treat effluent flows into advection oil separation tank by potential energy gravity, slag transporting channel is located between two magnetic separators, and float oil recovering machine is arranged on the terminal platform of advection oil separation tank.
As further improvement, magnetic separating treatment rising pipe is located at the magnetic separator inboard, magnetic separating treatment water inlet pipe is located at the magnetic separator outside, the disk groups of magnetic separator is connected with disk groups drive-motor and step-down gear by its shaft coupling, and helix transporting device is connected with helical feed drive-motor and step-down gear by wheel gearing, seal fully between disk groups and helical feed outer cover water treatment zone, and be welded to connect by hinge with the magnetic separator frame.Advection oil separation tank is realized oily water separation by the high loading advection, the ground-connecting-wall place establishes 40 °～60 ° chamferings, to optimize streamflow regime, and establish blow-down pipe in the base plate appropriate location, establish automatically controlled mud valve on the blow-down pipe, the advection oil separation tank end is established the overflow V-notch weir, 45 ° of each V-notch weir angle of releases, and the height of whole weir plate can be regulated by rectangular opening and supporting bolt.Float oil recovering machine is formed by reclaiming machine host, water separation tank, transfer pump group, drawing head and oil bank, and the drawing head of float oil recovering machine is fixed on the sidewall of advection oil separation tank, and oil bank is connected with main frame by drawing head.
Wherein magnetic separation technique is the high-strength magnetic energy product that utilizes natural permanent magnetism ore, poly-magnetic combination by disk, realize the high magnetic field intensity and the high magnetic field gradients of working space, fully increase the contact area and the duration of contact of waste water and disk, improve unit area loading, make the nonferromagnetic corpuscle and the oil in water emulsion of ferromagnetic material particulate in the iron and steel hot-rolling wastewater and absorption thereof, under the magnetic field force effect, overcome mechanical external forces such as fluid resistance and particulate gravity, generation slewing campaign, be adsorbed on magnetic disk surface, thereby suspended substance in the waste water and greasy filth fractionation by adsorption are come out, unload by the adsorptive of scraping article again the rare-earth magnetic disc surface, dig helix transporting device, through slag transporting channel output, realize the rough purification of iron and steel hot-rolling wastewater again, separate the back pollutants in waste water through magnetic and can reach following index: SS≤20mg/L, oil≤5mg/L, this index satisfies the hot rolling technology needs substantially, for further removing oil slick in the water, establishes advection oil separation tank after magnetic separates.
Advection oil separation tank and oil slick recovery technology are to make in the water remaining suspension oil or floating oil content floating to water surface top layer by the high loading advection, again by the further skim oil slick of float oil recovering machine, realize the purification of water quality purpose.Float oil recovering machine relies on the annular oil bank of (or many) oleophilic drainage, the driving of process main frame on the profit liquid level, with certain speed in the interval that main frame and drawing head are formed, do motion continuously, oil adhered to up through extrusion roll oil to be squeezed fall in the fuel tank, carry out oil recovery.Oil bank floats on the surface, and is strong to thickness, viscosity and the liquid level change adaptive faculty of oil reservoir, changes the length and the traction guidance mode of oil bank, oil bank can be pulled to bigger receipts pasta and amass, and can better tackle and skimming.Oil bank is designed to circle brush type, because the cross section of circle brush type oil bank is circular, more oil suction fibre participation work is arranged on the swollen full cross section, lifting oil slick that can bigger efficient, directional problems when there is not running in rounded section has in addition been avoided the winding and the kink of oil bank, makes the operation when receiving oil more steady, more reliable, its effect is better than flat brush formula oil bank, and efficient is higher.The pollutent that enters clean water basin through advection oil separation tank can reach following index: SS≤15mg/L, oil≤3mg/L.
The beneficial effects of the utility model are: make the extensive gravity of tradition handle structures and be reduced to intensive integrated apparatus, it is high to handle load, and floor space is little, and equipment is installed simple and easy, simple to operate, and running maintenance is convenient.
Description of drawings:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is an orthographic plan of the present utility model;
Fig. 2 is the A-A sectional view among Fig. 1;
Fig. 3 is the B-B sectional view among Fig. 1;
Among the figure: 1, disk groups, 2, disk groups drive-motor and step-down gear, 3, helix transporting device, 4, helical feed drive-motor and step-down gear, 5, magnetic separating treatment water inlet pipe, 6, magnetic separating treatment rising pipe, 7, disk groups and helical feed outer cover, 8, slag transporting channel, 9, the magnetic separator frame, 10, float oil recovering machine, 11, oil bank, 12, drawing head, 13, advection oil separation tank, 14, overflow V-notch weir, 15, clean water basin.
Embodiment
Hot rolling recirculating sewage treating system mainly is made up of magnetic separator, advection oil separation tank 13, float oil recovering machine 10 and clean water basin 15 in Fig. 1.Magnetic separator mainly is formed by connecting by disk groups 1 and transmission rig thereof and by other steel member, and wherein disk groups 1 is processed by a kind of natural permanent magnetism ore; Disk groups 1 drives operation by disk groups drive-motor and step-down gear 2, and helix transporting device 3 drives operation by helical feed drive-motor and step-down gear 4; Disk groups and helical feed outer cover 7 are welded to connect by hinge and magnetic separator frame 9, move with protection equipment; Disk groups and helical feed outer cover 7, magnetic separator frame 9 are carbon steel or the Low Alloy Steel Plate welding processing forms, and is coated with antifouling paste and finish paint outward.Advection oil separation tank 13 is formed by reinforced concrete cast-in-situ with certain length and width, dark ratio, and the ground-connecting-wall place establishes 40 °～60 ° chamferings, optimizing streamflow regime, and establishes blow-down pipe in the base plate appropriate location, establishes automatically controlled mud valve on the blow-down pipe.Float oil recovering machine 10 is located on the platform of advection oil separation tank 13 ends, mainly form by reclaiming machine host, water separation tank, transfer pump group, drawing head 12 and oil bank 11 etc., drawing head 12 rivet clasps are on the sidewall of advection oil separation tank 13, the rivet clasp height is 300mm place on the overflow liquid level, oil bank 11 is laid in by two drawing heads 12 on the oil skimming liquid level, driving oil bank 11 by drive-motor and step-down gear in the recovery machine host moves continuously, oil bank 11 is circle brush type, make by the oleophilic drainage chemical material, adapt to medium temperature-10 ℃～90 ℃.
The magnetic separator of this hot rolling recirculating sewage treating system and float oil recovering machine can be arranged on the concrete foundation, realize connecting by the back-grouting pre-embedded steel slab, also can fix by welding carbon steel or low alloy steel frame and ground rivet clasp realization equipment.Hot rolling recirculating sewage treating system is by above assembling, can be divided into magnetic disengaging zone, body refuse delivery area, advection oil removal district, oil skimming recovery zone and clear water zone according to the function difference of each several part.
During this hot rolling recirculating sewage treating system operation, hot-rolling wastewater at first enters magnetic separator by magnetic separating treatment water inlet pipe 5, in magnetic separator with certain flow velocity disk groups 1 of flowing through, poly-magnetic by disk groups 1 makes up therebetween, realize the high magnetic field intensity and the high magnetic field gradients of working space, make the nonferromagnetic corpuscle and the oil in water emulsion of ferromagnetic material particulate in the waste water and absorption thereof, under the magnetic field force effect of disk groups 1, overcome mechanical external forces such as fluid resistance and particulate gravity, generation slewing campaign, be adsorbed on magnetic disk surface, thereby suspended substance in the waste water and greasy filth fractionation by adsorption are come out, unload by the adsorptive of scraping article again, dig helix transporting device 3 the rare-earth magnetic disc surface, through nonmagnetic slag transporting channel 8 outputs, realize the rough purification of hot-rolling wastewater.Waste water after magnetic separates flows into advection oil separation tank 13 through magnetic separating treatment rising pipe 6 gravity, in advection oil separation tank 13 by the high loading advection make in the water remaining suspend or floating oil content floating to the water surface, open float oil recovering machine 10 simultaneously and drive the operation continuously of oil bank 11 dos, oil adhered to up through extrusion roll oil to be squeezed fall in the fuel tank, realize further oil removing.Advection oil separation tank 13 water outlets flow into clean water basin 15 by overflow V-notch weir 14, and overflow V-notch weir 14 each angle of release are 45 degree, form by the Low Alloy Steel Plate cutting, and the height of whole weir plate can be regulated by rectangular opening and supporting bolt.Water can recycle in the hot rolling sewage circulating system through cooling again in the clean water basin.
Claims (4)
1, a kind of hot rolling recirculating sewage treating system, comprise clean water basin (15), it is characterized in that: hot rolling recirculating sewage treating system also comprises magnetic separator, advection oil separation tank (13), float oil recovering machine (10), magnetic separator is arranged on the origin or beginning platform of advection oil separation tank (13), the magnetic separator treat effluent flows into advection oil separation tank (13) by potential energy gravity, slag transporting channel (8) is located between two magnetic separators, and float oil recovering machine (10) is arranged on the terminal platform of advection oil separation tank (13).
2, according to the described hot rolling recirculating sewage treating system of claim 1, it is characterized in that: magnetic separating treatment rising pipe (6) is located at the magnetic separator inboard, magnetic separating treatment water inlet pipe (5) is located at the magnetic separator outside, the disk groups of magnetic separator (1) is connected with disk groups drive-motor and step-down gear (2) by its shaft coupling, and helix transporting device (3) is connected with helical feed drive-motor and step-down gear (4) by wheel gearing, disk groups and helical feed outer cover (7) will seal between water treatment zone fully, and are welded to connect by hinge with magnetic separator frame (9).
3, according to the described hot rolling recirculating sewage treating system of claim 1, it is characterized in that: advection oil separation tank (13) is realized oily water separation by the high loading advection, and establish blow-down pipe in the base plate appropriate location, establish automatically controlled mud valve on the blow-down pipe, advection oil separation tank (13) end is established overflow V-notch weir (14), and the height of whole weir plate can be regulated by rectangular opening and supporting bolt.
4, according to the described hot rolling recirculating sewage treating system of claim 1, it is characterized in that: float oil recovering machine (10) is formed by reclaiming machine host, water separation tank, transfer pump group, drawing head (12) and oil bank (11), the drawing head (12) of float oil recovering machine (10) is fixed on the sidewall of advection oil separation tank (13), and oil bank (11) is connected with main frame by drawing head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520145275 CN2903032Y (en) | 2005-12-27 | 2005-12-27 | Hot rolling circulating waste water treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520145275 CN2903032Y (en) | 2005-12-27 | 2005-12-27 | Hot rolling circulating waste water treating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2903032Y true CN2903032Y (en) | 2007-05-23 |
Family
ID=38078440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520145275 Expired - Lifetime CN2903032Y (en) | 2005-12-27 | 2005-12-27 | Hot rolling circulating waste water treating apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN2903032Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648767B (en) * | 2009-07-06 | 2011-04-13 | 西南铝业（集团）有限责任公司 | Method and system for processing hot-rolling and emulsifying wastewater for aluminum plate |
| CN110436588A (en) * | 2018-12-26 | 2019-11-12 | 环能科技股份有限公司 | A kind of dross processing unit and ultra-magnetic separator |
| CN115784562A (en) * | 2022-12-09 | 2023-03-14 | 湖南华菱涟源钢铁有限公司 | Hot rolling sludge treatment system |
-
2005
- 2005-12-27 CN CN 200520145275 patent/CN2903032Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648767B (en) * | 2009-07-06 | 2011-04-13 | 西南铝业（集团）有限责任公司 | Method and system for processing hot-rolling and emulsifying wastewater for aluminum plate |
| CN110436588A (en) * | 2018-12-26 | 2019-11-12 | 环能科技股份有限公司 | A kind of dross processing unit and ultra-magnetic separator |
| CN115784562A (en) * | 2022-12-09 | 2023-03-14 | 湖南华菱涟源钢铁有限公司 | Hot rolling sludge treatment system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
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| EXPY | Termination of patent right or utility model |