CN113443776A - Treatment device and treatment method for turbid circulating water of steel mill - Google Patents
Treatment device and treatment method for turbid circulating water of steel mill Download PDFInfo
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- CN113443776A CN113443776A CN202110768056.1A CN202110768056A CN113443776A CN 113443776 A CN113443776 A CN 113443776A CN 202110768056 A CN202110768056 A CN 202110768056A CN 113443776 A CN113443776 A CN 113443776A
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- circulating water
- filter
- turbid circulating
- treatment device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 38
- 230000005389 magnetism Effects 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 9
- 241000220317 Rosa Species 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 59
- 229910052742 iron Inorganic materials 0.000 abstract description 29
- 238000007790 scraping Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a steel mill turbid circulating water treatment device and a treatment method, wherein the steel mill turbid circulating water treatment device comprises a movable vehicle body and a scraper rack arranged at the lower end of the movable vehicle body, a plurality of electric-hydraulic push rods and a collection box are respectively arranged on the side wall of the scraper rack, isolation covers are respectively arranged on the two side walls of the electric-hydraulic push rods, magnetic suction boxes are arranged at the bottom ends of the two isolation covers, a mounting rack is arranged at the telescopic end of each electric-hydraulic push rod, permanent magnetic blocks are respectively arranged on the two sides of the bottom end of the mounting rack, a connecting rack is respectively arranged on the two sides of the upper end of the mounting rack, a sleeve is communicated with the bottom end of a material receiving box, a cleaning plate is arranged in the material receiving box in a sliding sleeved mode, a submersible sewage pump is communicated with the bottom end of the collection box, and the water outlet end of the submersible sewage pump is connected with a filter box. The hydraulic push rod makes the permanent magnetism block leave the magnetism and inhales the case, and the iron scale on the case surface is inhaled to magnetism drops in the guide mouth under scraping off of clearance board to filter in discharging the rose box through stealthily dirty pump and conveyer pipe, have and play better collection effect to the iron scale in the turbid circulating water.
Description
Technical Field
The invention belongs to the technical field of circulating water treatment devices, particularly relates to a turbid circulating water treatment device of a steel mill, and further relates to a treatment method of the turbid circulating water treatment device of the steel mill.
Background
The hot rolled steel is a steel product which is formed by high-temperature heating and rolling, has not very high strength but enough strength for our use, and has better plasticity and weldability, so that the hot rolled steel is more commonly used.
The turbid ring is water for directly washing and descaling hot steel plates by water, the treated turbid ring water needs circulating water for flocculation and precipitation, the turbidity is generally high, iron scale is iron-containing oxide generated on the surface of steel after rolled pieces are rapidly cooled by water in the rolling process of a steel mill, the iron-containing oxide accounts for 3-5% of the treated steel, and the Fe content is up to 80-90%. The main components of the iron scale are Fe2O3, Fe3O4 and FeO, wherein the outermost layer of the iron scale is Fe2O3 which accounts for about 10% of the thickness of the iron scale and prevents oxidation, the middle layer is Fe3O4 and about 50%, the innermost layer is in contact with iron and is FeO and about 40%, in the process of treating turbid circulating water, as a large amount of iron scale can be generated in the iron scale through circulation, the iron scale can flow along with the circulation of the turbid circulating water, the flow sequence of the existing turbid circulating water treatment device is composed of a cooling tower, a hot rail workshop, a rotational flow sedimentation tank, a horizontal flow sedimentation tank and a pressure filter, the turbid circulating water passing through the pressure filter is in a final filtering state and is recycled and discharged into the cooling tower for the next circulation, and the defects exist: in the process of treating turbid circulating water, impurities such as iron scales in the turbid circulating water are subjected to secondary precipitation and filtration through a rotational flow sedimentation tank and a horizontal flow sedimentation tank, although large-particle iron scales in the turbid circulating water can be filtered, part of the iron scales still enter a cooling tower along with the turbid circulating water, a cooling spray head at a water outlet end is easily blocked, in the horizontal flow sedimentation tank, a scraper arranged at the bottom end of the liquid level moves in the horizontal direction under the action of a horizontal moving vehicle body, the scraper pushes sediment deposited at the bottom of the horizontal flow sedimentation tank to move into a mud storage tank, the entered sediment is discharged through a sewage discharge pump, in order to recover the iron scales in the sediment, the sediment needs to be subsequently screened, the workload and the cost are increased, and in the moving process of the scraper, the sediment is easily disturbed, and part of the sediment can float and separate, the fine iron scale in the water flows out along with the turbid circulating water, which is not beneficial to collecting the iron scale in the turbid circulating water.
Therefore, we propose a device and a method for treating turbid circulating water in steel mills to solve the above problems in the background art.
Disclosure of Invention
The invention aims to provide a device and a method for treating turbid circulating water of a steel mill, which aim to solve the problem that the horizontal sedimentation tank provided by the background technology has poor effect on collecting iron scales in the turbid circulating water.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a turbid circulating water treatment facilities of steel mill, scrapes the board frame including removing the automobile body and setting at its lower extreme, scrape board frame lateral wall and lower part up end and be provided with a plurality of electricity liquid push rod respectively and collect the box, all be provided with the cage on electricity liquid push rod both sides wall, two the cage bottom is provided with the magnetism and inhales the case, the flexible end of electricity liquid push rod is provided with the mounting bracket, and mounting bracket bottom both sides all are provided with permanent magnetism piece, and mounting bracket upper end both sides all are provided with the link, and the link bottom is provided with connects the magazine, connects magazine bottom intercommunication to be provided with the sleeve pipe, and the sleeve pipe slip cap is established collect on the box, be provided with the clearance board in the material receiving magazine, it is provided with the submersible sewage pump to collect magazine bottom intercommunication, and submersible sewage pump outlet end is connected with the rose box.
Preferably, be provided with main perforation and sealing strip on the cage bottom inner wall respectively, the correspondence of case up end is inhaled to magnetism is equipped with fixed thread groove and seal groove, and the interpolation of main perforation is equipped with fixing bolt, and fixing bolt stretches out the end screw thread and inserts and establish in fixed thread groove, and sealing strip and seal groove are Contraband type structure, the sealing strip is inserted and is established in the seal groove.
Preferably, both sides of the inner wall of the magnetic suction box are provided with placing boxes, and the permanent magnet blocks are inserted in the placing boxes.
Preferably, the two sides of the upper end of the magnetic suction box are provided with movable holes, the connecting frame penetrates out of the movable holes, the material receiving box is funnel-shaped, the bottom end face of the sleeve is provided with an annular groove, and the upper end of the collecting box is inserted into the annular groove.
Preferably, the inner walls of the two sides of the material receiving box are respectively provided with an auxiliary through hole, a stud is inserted into the auxiliary through hole, the extending end of the stud is arranged on the cleaning plate, the outer end of the cleaning plate is positioned on the outer side of the magnetic suction box, and the outer parts of the two ends of the stud are respectively sleeved with a locking nut.
Preferably, be equipped with the guide mouth on the scraper blade frame, the guide mouth is for leaking hopper-shaped, and the guide mouth communicates in collecting the box, guide mouth bottom opening through the pipe with stealthily dirty pump water inlet end is connected, stealthily dirty pump water outlet end and duct connections, and the conveyer pipe goes out the water end and inserts and establish in the rose box, the rose box sets up on the removal automobile body.
Preferably, the upper end of the filter box is designed to be an opening, a filter cartridge is inserted into the filter box, the filter cartridge is funnel-shaped in position, positioning holes are formed in two sides of the upper end of the filter cartridge, positioning columns are correspondingly arranged on two sides of the upper end of the filter box and penetrate through the positioning holes, a filter plate is arranged in the filter cartridge, a permanent magnet sleeve is sleeved outside the filter cartridge, the bottom end of the filter box is of a slope structure, and a water outlet is formed in the side wall of the bottom end of the filter box.
The invention also provides a treatment method of the turbid circulating water treatment device in the steel mill, which comprises the following steps:
the method comprises the following steps: installing and debugging the turbid circulating water treatment device;
step two: the turbid circulating water treatment device is used.
Preferably, in the step one, insert the main perforation and the fixed thread groove of establishing on cage and magnetism case respectively with fixing bolt, and make the sealing strip insert and establish in the seal groove, thereby inhale the case with magnetism and be connected sealedly to the cage, the flexible end of rethread electro-hydraulic push rod promotes the permanent magnetism piece through the mounting bracket and enters into the box of placing of inhaling the incasement, adjust the protrusion that the screw is located vice perforation, change the clearance board and inhale the distance between the case surface with magnetism, and lock through the lock nut and die fixedly, embolia the permanent magnetism cover through the spiro union mode at last and fix outside the cartridge filter.
Preferably, in the second step, the magnetic substances in the iron oxide layer are adsorbed on the outer surface of the magnetic suction box under the action of the permanent magnetic blocks, the permanent magnetic blocks are moved out of the placing box through the mounting frame by virtue of the telescopic end of the electro-hydraulic push rod, the mounting frame drives the material receiving box and the sleeve to move upwards through the connecting frame, the cleaning plate located in the material receiving box cleans the magnetic substances on the outer surface of the magnetic suction box and scrapes the magnetic substances and the magnetic substances fall into the material guide port, the magnetic substances are discharged into the filter cylinder through the conveying pipe by the submersible sewage pump and are collected, the magnetic substances are fixed by the permanent magnetic sleeve outside the filter cylinder, the discharged turbid circulating water is discharged from the water outlet through the filter plate, and finally the filter cylinder is cleaned by taking out through the positioning column.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a steel mill turbid circulating water treatment device and a treatment method, wherein a ferric oxide scale magnetic absorption material in turbid circulating water is absorbed to the outer surface of a magnetic absorption box through permanent magnets, the permanent magnets are separated from the magnetic absorption box through a hydraulic push rod, the ferric oxide scale on the outer surface of the magnetic absorption box falls into a material guide port under the scraping of a cleaning plate and is discharged into a filter box through a submersible sewage pump and a conveying pipe for filtering, and the device has a good collection effect on the ferric oxide scale in the turbid circulating water.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of an electro-hydraulic push rod, a collection box, a magnetic suction box, a mounting rack, a connecting rack, a material receiving box, a sleeve and a cleaning plate according to the invention;
FIG. 4 is an enlarged view of a portion a of FIG. 2;
FIG. 5 is an enlarged view of FIG. 2 at b;
FIG. 6 is an enlarged schematic view of FIG. 2 at c;
FIG. 7 is an enlarged view of FIG. 2 at d;
FIG. 8 is an enlarged view of FIG. 2 at e;
fig. 9 is an enlarged schematic view of fig. 3 at f.
In the figure: 1 moving vehicle body, 2 scrape the board frame, 3 electric liquid push rods, 4 collection boxes, 5 cages, 6 magnetic suction boxes, 7 mounting brackets, 8 permanent magnet blocks, 9 link, 10 material receiving boxes, 11 sleeves, 12 cleaning plates, 13 submersible sewage pumps, 14 filter boxes, 15 main perforations, 16 sealing strips, 17 fixed screw grooves, 18 sealing grooves, 19 fixing bolts, 20 placing boxes, 21 movable holes, 22 ring grooves, 23 auxiliary perforations, 24 studs, 25 locking nuts, 26 material guide ports, 27 conveying pipes, 28 filter cylinders, 29 positioning holes, 30 positioning columns, 31 filter plates, 32 permanent magnet sleeves and 33 water outlets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a turbid circulating water treatment device of a steel mill as shown in figures 1-9, which comprises a movable vehicle body 1 and a scraper frame 2 arranged at the lower end of the movable vehicle body, wherein the side wall of the scraper frame 2 and the upper end surface of the lower part of the scraper frame are respectively welded or bolted with three electrohydraulic push rods 3 and a collecting box 4, the model of the electrohydraulic push rods 3 is DYTZ450-/110, two side walls of the electrohydraulic push rods 3 are respectively bolted or clamped with isolation covers 5, the bottom ends of the two isolation covers 5 are provided with magnetic suction boxes 6, and the isolation covers 5 play an external protection role on the magnetic suction boxes 6 while playing a fixing role on the magnetic suction boxes 6;
be provided with main perforation 15 and sealing strip 16 on the 5 bottom inner walls of cage respectively, 6 up end of case should be equipped with fixed spiral shell groove 17 and seal groove 18 are inhaled to the magnetism, and it has fixing bolt 19 to insert in the main perforation 15, and fixing bolt 19 stretches out end screw and inserts in fixed spiral shell groove 17, and fixing bolt 19 sets up and is convenient for inhale and tear ann between the case 6 to cage 5 and magnetism, and sealing strip 16 is Contraband type structure with seal groove 18, sealing strip 16 inserts in seal groove 18, and sealing strip 16 carries out interim sealing process to the clearance between cage 5 and the magnetism inhale case 6.
The telescopic end of the electro-hydraulic push rod 3 is welded or screwed with an installation frame 7, and permanent magnets 8 are screwed on two sides of the bottom end of the installation frame 7;
the box 20 of placing all has been welded to 6 inner wall both sides of magnetism suction box, permanent magnetism piece 8 inserts and is placing box 20 in, places box 20 and temporarily places permanent magnetism piece 8, and plays the locate function to permanent magnetism piece 8 mounted position, and permanent magnetism piece 8 can carry out the magnetic adsorption to the Fe3O4 in the iron oxide skin.
The two sides of the upper end of the mounting rack 7 are welded with connecting racks 9, the bottom ends of the connecting racks 9 are welded with a material receiving box 10 or screwed, the bottom end of the material receiving box 10 is communicated with a sleeve 11, the sleeve 11 is sleeved on the collecting box 4 in a sliding manner, and the bottom end of the magnetic suction box 6 is inserted into the material receiving box 10 and the sleeve 11;
6 upper end both sides of magnetism suction box all are equipped with the activity hole 21, and link 9 wears out activity hole 21, connect magazine 10 for leaking hopper-shaped, 11 bottom faces of sleeve pipe are equipped with annular 22, it inserts in annular 22 to collect 4 upper ends of box, and sleeve pipe 11 can be on collecting box 4 vertical slip through annular 22 to when connect magazine 10 vertical migration, sleeve pipe 11 follow-up motion, and then inhale case 6 to inhale and carry out interim encirclement.
A cleaning plate 12 is arranged in the material receiving box 10, a submersible sewage pump 13 is communicated with the bottom end of the collecting box 4, the model of the submersible sewage pump 13 is WQD6-12-0.55L1, and the water outlet end of the submersible sewage pump 13 is connected with a filter box 14.
The inner walls of two sides of the material receiving box 10 are respectively provided with an auxiliary through hole 23, a stud 24 is inserted into the auxiliary through hole 23, the extending end of the stud 24 is welded on the cleaning plate 12, the outer end of the cleaning plate 12 is located on the outer side of the magnetic suction box 6, locking nuts 25 are sleeved on the outer portions of two ends of the stud 24, the extending amount of the stud 24 is convenient to adjust through the locking nuts 25, the outer surface distance between the cleaning plate 12 and the magnetic suction box 6 is further adjusted, the upper portion of the cleaning plate 12 is in a slope shape, and the cleaned iron scale can be guided to slide conveniently.
Scrape and be equipped with guide port 26 on the board frame 2, guide port 26 is for leaking hopper-shaped, and guide port 26 communicates in collecting box 4, guide port 26 bottom opening through the pipe with stealthily dirty pump 13 water inlet end is connected, stealthily dirty pump 13 goes out the water end and is connected with conveyer pipe 27, and conveyer pipe 27 goes out the water end and inserts in rose box 14, rose box 14 bolt is in on the removal automobile body 1.
The upper end of the filter box 14 is designed to be an opening, the filter cylinder 28 is inserted into the filter box 14, the lower portion of the filter cylinder 28 is funnel-shaped, positioning holes 29 are formed in two sides of the upper end of the filter cylinder 28, positioning columns 30 are correspondingly arranged on two sides of the upper end of the filter box 14, the positioning columns 30 penetrate through the positioning holes 29, the positioning columns 30 are arranged to facilitate installation and disassembly of the filter cylinder 28, filter plates 31 are welded in the filter cylinder 28 or screwed into the filter cylinder 28, the filter plates 31 are non-magnetic ceramic filter plates, permanent magnetic sleeves 32 are sleeved outside the filter cylinder 28, the permanent magnetic sleeves 32 are made of permanent magnets, the bottom end of the filter box 14 is of a slope structure, a water outlet 33 is formed in the side wall of the bottom end of the filter box 14, and filtered turbid circulating water can be discharged through the water outlet 33.
The invention also provides a treatment method of the turbid circulating water treatment device in the steel mill, which comprises the following steps:
the method comprises the following steps: installing and debugging the turbid circulating water treatment device; fixing bolts 19 are respectively inserted into main through holes 15 and fixing screw grooves 17 on the isolation cover 5 and the magnetic suction box 6, sealing strips 16 are inserted into sealing grooves 18, the isolation cover 5 and the magnetic suction box 6 are connected and sealed, then the telescopic end of the electrohydraulic push rod 3 pushes the permanent magnet blocks 8 to enter a placing box 20 in the magnetic suction box 6 through the mounting frame 7, the extending amount of the studs 24 in the auxiliary through holes 23 is adjusted, the distance between the cleaning plate 12 and the outer surface of the magnetic suction box 6 is changed, locking and fixing are carried out through locking nuts 25, and finally the permanent magnet sleeve 32 is sleeved and fixed outside the filter cylinder 28 in a screwing mode.
Step two: a turbid circulating water treatment device; the magnetism that inhales in the iron oxide skin is inhaled the box 6 surface at magnetism under 8 effects of permanent magnetism, make permanent magnetism 8 shift out from placing the box 20 through the flexible end of electric liquid push rod 3 through mounting bracket 7, mounting bracket 7 drives material receiving box 10 and sleeve pipe 11 rebound through link 9, the clearance plate 12 that is located material receiving box 10 is inhaled the magnetism that inhales the box 6 surface with magnetism and is inhaled the material and clear up and strike off and fall into in guide opening 26, the magnetism that stealthily dirty pump 13 will fall into inhales the material and arrange into cartridge filter 28 through conveyer pipe 27 and collect, the outside permanent magnetism cover 32 of cartridge filter 28 is fixed the magnetism and is inhaled the material, the turbid circulating water of exhaust is discharged from outlet 33 through filter plate 31, it can to take out the clearance with cartridge filter 28 through reference column 30 at last.
When collecting and processing the iron oxide scale in the turbid circulating water, a constructor firstly bolts the isolation cover 5 on the outer wall of the electric-hydraulic push rod 3, then respectively inserts the fixing bolts 19 into the main through hole 15 and the fixing screw grooves 17, inserts the sealing strip 16 into the sealing groove 18, temporarily fixes the magnetic suction box 6 and the isolation cover 5, then adjusts the extending amount of the stud 24 through the locking nut 25, thereby adjusting the distance between the cleaning plate 12 and the outer surface of the magnetic suction box 6, connects the electric-hydraulic push rod 3 and the power end of the submersible sewage pump 13 with an external power supply, starts the electric-hydraulic push rod 3, the telescopic end of the electric-hydraulic push rod 3 pushes the permanent magnet block 8 to move in the placing box 20 through the mounting frame 7 and then closes, sleeves the permanent magnet sleeve 32 outside the filter cylinder 28 and fixedly connects the bolt, inserts the filter cylinder 28 into the filter box 14, and leads the positioning column 30 to penetrate out of the positioning hole 29 on the filter cylinder 28, temporarily fixing the filter cartridge 28;
in the daily use process, the permanent magnet blocks 8 carry out magnetic adsorption on iron scale magnetic materials on turbid circulating water, the magnetic adsorption is carried out on the outer surface of a magnetic adsorption box 6, the magnetic adsorption box 6 is also made of non-magnetic materials, an operator pushes an installation frame 7 to move upwards through a telescopic end of an electro-hydraulic push rod 3, then the permanent magnet blocks 8 move upwards, the permanent magnet blocks 8 simultaneously drive a material receiving box 10 on a connecting frame 9 to move upwards, the iron scales adsorbed on the outer surface of the magnetic adsorption box 6 lose the magnetic attraction force and fall off due to the vertical movement of the permanent magnet blocks 8, a cleaning plate 12 is driven by the vertical movement of the material receiving box 10 to scrape off and clean the iron scales on the outer surface of the magnetic adsorption box 6, the cleaned iron scales fall into a material guide port 26 through the material receiving box 10 and a sleeve 11, a submersible sewage pump 13 is started, the submersible sewage pump 13 discharges oxidized iron scales and turbid circulating water in the material guide port 26 into a filter box 14 through a conveying pipe 27, and a filter cylinder 28 in the filter box 14 filters the discharged turbid circulating water, the permanent magnet sleeve 32 positioned outside the filter cylinder 28 magnetically adsorbs iron scale on turbid circulating water, turbid circulating water is discharged into a advection filter tank through a water outlet 33 under the filtration of the filter plate 31 to be circulated, the permanent magnet blocks 8 are inserted into the placement box 20 through the electro-hydraulic push rod 3 after the cleaning is finished, the filter cylinder 28 is taken out from the filter box 14, the permanent magnet sleeve 32 is detached, the remained iron scale mixture is the iron scale mixture in the filter cylinder 28, the filter cylinder 14 is placed into the filter box again to be fixed after the collection and cleaning, next circulation is prepared, and the magnetic filter has a good collection effect on the iron scale in the turbid circulating water.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a turbid circulating water treatment facilities of steel mill, scrapes trigger frame (2) its characterized in that including removing automobile body (1) and setting at its lower extreme: the side wall and the upper end surface of the lower part of the scraper frame (2) are respectively provided with a plurality of electro-hydraulic push rods (3) and a collection box (4), two side walls of the electro-hydraulic push rod (3) are respectively provided with an isolation cover (5), the bottom ends of the two isolation covers (5) are provided with a magnetic suction box (6), the telescopic end of the electro-hydraulic push rod (3) is provided with a mounting frame (7), permanent magnets (8) are arranged on two sides of the bottom end of the mounting frame (7), connecting frames (9) are arranged on two sides of the upper end of the mounting frame (7), a material receiving box (10) is arranged at the bottom end of the connecting frames (9), a sleeve (11) is communicated and arranged at the bottom end of the material receiving box (10), the sleeve (11) is sleeved on the collecting box (4) in a sliding manner, a cleaning plate (12) is arranged in the material receiving box (10), a submersible sewage pump (13) is communicated with the bottom end of the collecting box (4), and the water outlet end of the submersible sewage pump (13) is connected with a filter box (14).
2. The turbid circulating water treatment device of a steel mill according to claim 1, characterized in that: be provided with main perforation (15) and sealing strip (16) on cage (5) bottom inner wall respectively, the magnetism inhales case (6) upper end to correspond and is equipped with fixed thread groove (17) and seal groove (18), and main perforation (15) interpolation is equipped with fixing bolt (19), and fixing bolt (19) stretch out end screw thread inserts and establishes in fixed thread groove (17), and sealing strip (16) and seal groove (18) are Contraband type structure, sealing strip (16) are inserted and are established in seal groove (18).
3. The turbid circulating water treatment device of a steel mill according to claim 1, characterized in that: both sides of the inner wall of the magnetic suction box (6) are provided with a placing box (20), and the permanent magnet blocks (8) are inserted in the placing box (20).
4. The turbid circulating water treatment device of a steel mill according to claim 1, characterized in that: magnetic suction box (6) upper end both sides all are equipped with activity hole (21), and link (9) are worn out activity hole (21), material receiving box (10) are for leaking hopper-shaped, sleeve pipe (11) bottom face is equipped with annular (22), it inserts and establishes in annular (22) to collect box (4) upper end.
5. The turbid circulating water treatment device of a steel mill according to claim 1, characterized in that: all be equipped with vice perforation (23) on the inner wall of material receiving box (10) both sides, the interpolation of vice perforation (23) is equipped with double-screw bolt (24), and double-screw bolt (24) stretch into the end setting and are in on clearance plate (12), clearance plate (12) outer end is located the magnetism and inhales case (6) outside, and double-screw bolt (24) both ends outside all is equipped with lock nut (25).
6. The turbid circulating water treatment device of a steel mill according to claim 1, characterized in that: scrape and be equipped with guide mouth (26) on board frame (2), guide mouth (26) are for leaking hopper-shaped, and guide mouth (26) communicate in collecting box (4), guide mouth (26) bottom opening through the pipe with stealthily dirty pump (13) water inlet end is connected, stealthily dirty pump (13) water outlet end is connected with conveyer pipe (27), and conveyer pipe (27) water outlet end inserts and establish in rose box (14), rose box (14) set up remove on automobile body (1).
7. The turbid circulating water treatment device of a steel mill according to claim 1, characterized in that: the improved water filter is characterized in that the upper end of the filter box (14) is designed to be an opening, a filter cylinder (28) is inserted into the filter box (14), the lower portion of the filter cylinder (28) is funnel-shaped, positioning holes (29) are formed in two sides of the upper end of the filter cylinder (28), positioning columns (30) are correspondingly arranged on two sides of the upper end of the filter box (14), the positioning columns (30) penetrate through the positioning holes (29), a filter plate (31) is arranged in the filter cylinder (28), a permanent magnet sleeve (32) is sleeved outside the filter cylinder (28), the bottom end of the filter box (14) is of a slope structure, and a water outlet (33) is formed in the side wall of the bottom end of the filter box (14).
8. A method for treating the turbid circulating water treatment apparatus of a steel mill according to any one of claims 1 to 7, characterized by comprising: the method specifically comprises the following steps:
the method comprises the following steps: installing and debugging the turbid circulating water treatment device;
step two: the turbid circulating water treatment device is used.
9. The method according to claim 8, wherein the method comprises the steps of: in the first step, fixing bolts (19) are respectively inserted into a main through hole (15) and a fixing screw groove (17) on an isolation cover (5) and a magnetic suction box (6), a sealing strip (16) is inserted into a sealing groove (18), the isolation cover (5) and the magnetic suction box (6) are connected and sealed, then the telescopic end of an electro-hydraulic push rod (3) pushes a permanent magnet block (8) to enter a placing box (20) in the magnetic suction box (6) through an installation frame (7), the extending amount of a stud (24) in an auxiliary through hole (23) is adjusted, the distance between a cleaning plate (12) and the outer surface of the magnetic suction box (6) is changed, locking and fixing are carried out through a locking nut (25), and finally a permanent magnet sleeve (32) is sleeved and fixed outside a filter cylinder (28) in a screwing mode.
10. The method according to claim 8, wherein the method comprises the steps of: in the second step, the magnetic substances in the iron oxide skin are adsorbed on the outer surface of the magnetic adsorption box (6) under the action of the permanent magnet blocks (8), make permanent magnetism block (8) from placing box (20) and shifting out through electric liquid push rod (3) flexible end through mounting bracket (7), mounting bracket (7) drive material receiving box (10) and sleeve pipe (11) rebound through link (9), cleaning plate (12) that are located material receiving box (10) are cleared up the material of inhaling of magnetism on the surface of case (6) and are scraped and fall into in guide opening (26), stealthily dirty pump (13) are inhaled the material of inhaling that will fall into and are discharged into cartridge filter (28) through conveyer pipe (27) and collect in, the material is inhaled to permanent magnetism cover (32) outside cartridge filter (28) is fixed to magnetism, the turbid circulating water of discharging is discharged from outlet (33) through filter plate (31), it can to take out the clearance through reference column (30) with cartridge filter (28) at last.
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