CN220684896U - Magnetic filter for recycling circulating water in steelmaking production - Google Patents
Magnetic filter for recycling circulating water in steelmaking production Download PDFInfo
- Publication number
- CN220684896U CN220684896U CN202321955008.4U CN202321955008U CN220684896U CN 220684896 U CN220684896 U CN 220684896U CN 202321955008 U CN202321955008 U CN 202321955008U CN 220684896 U CN220684896 U CN 220684896U
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- magnetic
- chamber
- filter
- shell
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000009628 steelmaking Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 42
- 238000001914 filtration Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 229910052742 iron Inorganic materials 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a magnetic filter for recycling circulating water in steelmaking production, which comprises a shell, a water inlet and a water outlet, wherein two partition plates are arranged in the shell at intervals up and down, the two partition plates divide the inner space of the shell into a sedimentation chamber, a filter chamber and a clean water chamber from bottom to top in sequence, the water inlet and the water outlet are respectively positioned on the side walls of the filter chamber and the clean water chamber, a plurality of vertical pipes are uniformly distributed in the filter chamber, a plurality of water inlet holes are uniformly processed on each vertical pipe, the upper end and the lower end of each vertical pipe are respectively communicated with the clean water chamber and the sedimentation chamber, an adsorption sleeve pipe and a magnetic rod are sequentially arranged in the vertical pipes from outside to inside, the lower end of the adsorption sleeve pipe is blocked, the upper end of the adsorption sleeve pipe penetrates through the clean water chamber and then is connected with the top of the shell, and the upper end of the magnetic rod extends out of the adsorption sleeve pipe and is connected with a lifting mechanism. The utility model has good filtering effect, convenient removal of magnetic impurities, high removal efficiency and obvious economic and social values.
Description
Technical Field
The utility model relates to the technical field of filtering equipment, in particular to a magnetic filter for recycling circulating water in steelmaking production.
Background
In the production process of steel smelting, a large amount of wastewater is generated in each main and auxiliary production process, if long-distance pipelines are paved and sent to a water treatment center for treatment, the treatment cost is often higher; if the waste water is directly discharged, environmental pollution and water resource waste are caused, in order to solve the problems, the use cost of the water resource is saved, the waste water generated in the steelmaking process is required to be recycled according with the national energy-saving and emission-reducing policy, the waste water is not discharged, the environment is protected, and the water resource is saved, but before the waste water is recycled, impurities in the waste water are required to be removed because the waste water contains the impurities such as iron oxide scale, oil, dust, lead, zinc and the like, and the magnetic filter is often used when the magnetic impurities such as the iron oxide scale and the like in the waste water are filtered.
The magnetic filter generally arranges a magnetic rod with a magnetic adsorption function in a wastewater channel, and when wastewater passes through the magnetic rod, magnetic impurities such as iron scales, scrap iron and the like in the wastewater can be adsorbed on the surface of the magnetic rod due to strong attraction of a magnetic field. The existing magnetic filter has the following problems found in the practical application process: firstly, as the flow rate of the wastewater is generally high, the situation that magnetic impurities such as iron scales, scrap iron and the like are not absorbed on a magnetic rod and then taken away by the wastewater easily occurs, so that the filtering effect of the magnetic filter is not ideal; secondly, when the magnetic filter is used for a period of time, the magnetic impurities adsorbed on the magnetic rod are required to be removed at regular time, so that the adsorption capacity of the magnetic rod on the magnetic rod in the subsequent working process is guaranteed, the magnetic impurities are required to be removed from the magnetic filter, the magnetic impurities are removed, the magnetic impurities are recycled after the removal, the process is complicated and troublesome, and a manual scraping method and a fluid flushing method are adopted when the magnetic impurities are removed, but the magnetic impurities are firmly adsorbed on the magnetic rod, the removal difficulty is high, and the removal process is time-consuming. Therefore, the magnetic filter for recycling the steelmaking circulating water, which has good filtering effect, convenient removal of magnetic impurities and high removal efficiency, is researched and developed and is objectively needed.
Disclosure of Invention
The utility model aims to provide the magnetic filter for recycling the steelmaking circulating water, which has the advantages of good filtering effect, convenient removal of magnetic impurities and high removal efficiency.
The utility model aims at realizing the purposes, comprising a shell, a water inlet and a water outlet, wherein two partition boards are arranged in the shell at intervals up and down, the two partition boards divide the inner space of the shell into a sedimentation chamber, a filter chamber and a clean water chamber from bottom to top in sequence, the water inlet and the water outlet are respectively positioned on the side walls of the filter chamber and the clean water chamber, a plurality of vertical pipes are uniformly distributed in the filter chamber, a plurality of water inlet holes are uniformly processed on each vertical pipe, the upper end and the lower end of each vertical pipe are respectively communicated with the clean water chamber and the sedimentation chamber, an adsorption sleeve pipe and a magnetic rod are sequentially arranged in the vertical pipes from outside to inside, the lower end of the adsorption sleeve pipe is blocked, the upper end of the adsorption sleeve pipe penetrates through the clean water chamber and is connected with the top of the shell, and the upper end of the magnetic rod extends out of the adsorption sleeve pipe and is connected with a lifting mechanism.
Further, elevating system includes cylinder and lifter plate, and the cylinder is installed on the casing, and the piston rod upper end of cylinder and the upper end of bar magnet all are connected with the lifter plate.
Further, the water inlet hole is arranged at the lower part of the vertical pipe.
Further, a plurality of vertical bars are uniformly distributed on the circumference of the outer wall of the adsorption sleeve.
Further, the cross-sectional area of the inner wall of the standpipe gradually becomes smaller from bottom to top.
Further, an annular filter screen is arranged between the upper port of the vertical pipe and the outer wall of the adsorption sleeve.
When the utility model is operated, wastewater generated in the steelmaking production process is introduced into the filtering chamber from the water inlet, enters the annular space between the vertical pipe and the adsorption sleeve through the water inlet arranged on the vertical pipe, flows from bottom to top in the annular space under the action of pressure, and can ensure the magnetic attraction of the magnetic rod to the magnetic impurities such as iron oxide scale, iron filings and the like in the annular space due to the magnetic permeability of the adsorption sleeve, so that the magnetic impurities such as the iron oxide scale, the iron filings and the like are separated from the wastewater and adsorbed on the surface of the adsorption sleeve, the wastewater continuously rises into the water purifying chamber after being demagnetized, and finally is discharged from the water outlet, and the separated magnetic impurities fall into the settling chamber and are discharged periodically. In the wastewater treatment process, water inlet holes uniformly distributed on the vertical pipes are utilized to split the wastewater, so that the wastewater can uniformly enter an annular space between the vertical pipes and the adsorption sleeve, the annular space is in the magnetic field range of the magnetic rod, has stronger magnetic force in the annular space, can effectively adsorb magnetic impurities such as iron scales, scrap iron and the like, can effectively prevent the problem that the magnetic substances are taken away by the wastewater after being adsorbed, and improves the filtering effect of the magnetic filter; secondly, when needs are cleared up the magnetic impurity on the absorption sleeve pipe, only need start elevating system drive the bar magnet and shift up, after the bar magnet shifts out the casing, magnetism in the annular space disappears, magnetic impurity such as iron scale, iron fillings will break away from the absorption sleeve pipe under the effect of self gravity, reach the purpose that magnetic impurity was clear away, for traditional clear away the in-process need demolish, clear up magnetic impurity and the processing procedure of returning the dress to the bar magnet, the operation process is comparatively simple and convenient, need not adopt manual scraping, wash, clear away magnetic impurity's fast, it is higher to clear away efficiency. The utility model has good filtering effect, convenient removal of magnetic impurities, high removal efficiency and obvious economic and social values.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the node A in FIG. 1;
in the figure: 1-shell, 2-water inlet, 3-water outlet, 4-baffle, 5-settling chamber, 6-filter chamber, 7-clean water chamber, 8-standpipe, 9-water inlet, 10-adsorption sleeve, 11-magnetic rod, 12-cylinder, 13-lifting plate, 14-vertical bar and 15-filter screen.
Detailed Description
The utility model is further described below with reference to the accompanying drawings, without limiting the utility model in any way, and any alterations or modifications based on the utility model are within the scope of the utility model.
As shown in fig. 1-2, the utility model comprises a shell 1, a water inlet 2 and a water outlet 3, wherein two partition boards 4 are arranged in the shell 1 at intervals up and down, the two partition boards 4 divide the inner space of the shell 1 into a sedimentation chamber 5, a filter chamber 6 and a clean water chamber 7 from bottom to top in sequence, the water inlet 2 and the water outlet 3 are respectively positioned on the side walls of the filter chamber 6 and the clean water chamber 7, a plurality of vertical pipes 8 are uniformly distributed in the filter chamber 6, a plurality of water inlet holes 9 are uniformly processed on each vertical pipe 8, the upper end and the lower end of each vertical pipe 8 are respectively communicated with the clean water chamber 7 and the sedimentation chamber 5, an adsorption sleeve 10 and a magnetic rod 11 are sequentially arranged in the vertical pipes 8 from outside to inside, the adsorption sleeve 10 and the magnetic rod 11 are both in the prior art, the adsorption sleeve 10 has magnetism permeability, austenitic stainless steel such as 316 or 316L can be used for manufacturing so as to fully ensure the magnetism permeability, the upper end of the magnetic rod 11 is connected with the top of the shell 1, the upper end of the magnetic rod 11 extends out of the adsorption sleeve 10, and the lifting mechanism is connected with the upper end of the lifting mechanism, and the lifting mechanism can drive the lifting mechanism to move down.
When the utility model is operated, wastewater generated in the steelmaking production process is introduced into the filter chamber 6 from the water inlet 2, enters an annular space between the standpipe 8 and the adsorption sleeve 10 through the water inlet 9 arranged on the standpipe 8, flows from bottom to top in the annular space under the action of pressure, and can ensure the magnetic attraction of the magnetic rod 11 to magnetic impurities such as iron oxide scale, scrap iron and the like in the annular space due to the magnetic permeability of the adsorption sleeve 10, so that the magnetic impurities such as the iron oxide scale, the scrap iron and the like can be separated from the wastewater and adsorbed on the surface of the adsorption sleeve 10, the wastewater continuously rises into the water purifying chamber 7 after being demagnetized, is finally discharged from the water outlet 3, and the separated magnetic impurities fall into the settling chamber 5 to be discharged periodically. In the treatment process of the wastewater, the wastewater is split by utilizing the water inlet holes 9 uniformly distributed on the vertical pipe 8, so that the wastewater can uniformly enter an annular space between the vertical pipe 8 and the adsorption sleeve 10, the annular space is in the magnetic field range of the magnetic rod 11, has stronger magnetic force in the annular space, can effectively adsorb magnetic impurities such as iron scales and scrap iron, can effectively prevent the problem that the magnetic substances cannot be adsorbed and are taken away by the wastewater, and improves the filtering effect of the magnetic filter; secondly, when the magnetic impurities on the adsorption sleeve 10 need to be cleaned, the lifting mechanism is only required to be started to drive the magnetic rod 11 to move upwards, after the magnetic rod 11 moves out of the shell 1, magnetism in the annular space disappears, magnetic impurities such as iron scales and scrap iron can be separated from the adsorption sleeve 10 under the action of self gravity, the purpose of cleaning the magnetic impurities is achieved, and compared with the traditional cleaning process, the operation process is simple and convenient, manual scraping and flushing are not required, the speed of cleaning the magnetic impurities is high, and the cleaning efficiency is high.
The lifting mechanism comprises an air cylinder 12 and a lifting plate 13, the air cylinder 12 is arranged on the shell 1, the upper end of a piston rod of the air cylinder 12 and the upper end of the magnetic rod 11 are connected with the lifting plate 13, when magnetic impurities adsorbed on the adsorption sleeve 10 need to be removed, the air cylinder 12 is started, the piston rod of the air cylinder 12 drives the lifting plate 13 to move upwards, and the lifting plate 13 can drive the magnetic rod to move upwards, so that the aim of magnetic disappearance on the adsorption sleeve 10 is fulfilled.
Preferably, the water inlet hole 9 is arranged at the lower part of the vertical pipe 8, when wastewater is treated, the wastewater enters the vertical pipe 8 from the water inlet hole 9, and the water inlet hole 9 is arranged at the lower part of the vertical pipe 8, so that all the wastewater can flow upwards only from the lower part of the vertical pipe 8, and further, the magnetic impurities in the wastewater can be fully and thoroughly adsorbed and separated in the upward flowing process of the wastewater in the vertical pipe 8, and the problem that the magnetic impurities in the wastewater cannot be adsorbed due to the fact that the wastewater directly enters the upper part of the vertical pipe 8 and then directly flows into the water purifying chamber 7 is solved.
The circumference equipartition has polylith vertical bar 14 on the outer wall of absorption sleeve pipe 10, and waste water flows from bottom to top in the annular space between standpipe 8 and absorption sleeve pipe 10, and the setting of vertical bar 14 can not influence the normal flow state of waste water on the one hand, and on the other hand through the setting of vertical bar 14, can increase the surface area of absorption sleeve pipe 10 by a wide margin, and then increase the adsorption area to magnetic impurity, can adsorb more magnetic impurity, the clearance cycle of extension magnetic impurity improves the filtration efficiency of waste water magnetic impurity.
The cross-sectional area of standpipe 8 inner wall diminishes from the bottom up, and waste water flows from bottom to top in the annular space between standpipe 8 and adsorption sleeve 10, and in the flow process, because standpipe 8's effective flow area constantly diminishes, will reduce the distance between standpipe 8 inner wall and the adsorption sleeve 10 outer wall, and then make waste water be close to adsorption sleeve 10 more, and be close to adsorption sleeve 10 the suction of bar 11 more greatly more, can adsorb out the magnetic impurity in the waste water more, prevent that magnetic impurity from not having yet been reached and adsorbed just take place along with the condition of waste water drainage.
An annular filter screen 15 is arranged between the upper port of the vertical pipe 8 and the outer wall of the adsorption sleeve 10, waste water flows from bottom to top in an annular space between the vertical pipe 8 and the adsorption sleeve 10, after being demagnetized, the rest waste water flows into the water purifying chamber 7 from the upper end of the vertical pipe 8, and at the moment, non-magnetic large particle impurities in the waste water can be filtered through the filter screen 15, so that the filtering and purifying effects of the waste water are improved, and the treatment load of subsequent waste water treatment equipment is reduced.
Claims (6)
1. A magnetic filter for recycling circulating water in steelmaking production comprises a shell (1), a water inlet (2) and a water outlet (3), and is characterized in that two partition boards (4) are arranged in the shell (1) at intervals up and down, the inner space of the shell (1) is sequentially divided into a sedimentation chamber (5), a filter chamber (6) and a water purifying chamber (7) from bottom to top by the two partition boards (4), the water inlet (2) and the water outlet (3) are respectively positioned on the side walls of the filter chamber (6) and the water purifying chamber (7), a plurality of vertical pipes (8) are uniformly distributed in the filter chamber (6), a plurality of water inlet holes (9) are uniformly formed in each vertical pipe (8), the upper end and the lower end of each vertical pipe (8) are respectively communicated with the water purifying chamber (7) and the sedimentation chamber (5), an adsorption sleeve (10) and a magnetic rod (11) are sequentially arranged in the vertical pipes (8) from outside to inside, the lower ends of the adsorption sleeve (10) are plugged, the upper ends of the adsorption sleeve are connected with the top of the shell (1), and the upper ends of the magnetic rods (11) are respectively connected with an adsorption sleeve (10).
2. The magnetic filter for recycling steelmaking circulating water according to claim 1, wherein the lifting mechanism comprises a cylinder (12) and a lifting plate (13), the cylinder (12) is arranged on the shell (1), and the upper end of a piston rod of the cylinder (12) and the upper end of a magnetic rod (11) are connected with the lifting plate (13).
3. A magnetic filter for recycling steel-making production circulating water as set forth in claim 1, characterized in that the water inlet hole (9) is arranged at the lower part of the standpipe (8).
4. The magnetic filter for recycling steel-making production circulating water according to claim 1, wherein a plurality of vertical strips (14) are uniformly distributed on the circumference of the outer wall of the adsorption sleeve (10).
5. The magnetic filter for recycling steel-making production circulating water according to claim 1, wherein the cross-sectional area of the inner wall of the vertical pipe (8) is gradually reduced from bottom to top.
6. The magnetic filter for recycling steel-making production circulating water according to claim 1, wherein an annular filter screen (15) is arranged between the upper port of the vertical pipe (8) and the outer wall of the adsorption sleeve (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321955008.4U CN220684896U (en) | 2023-07-25 | 2023-07-25 | Magnetic filter for recycling circulating water in steelmaking production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321955008.4U CN220684896U (en) | 2023-07-25 | 2023-07-25 | Magnetic filter for recycling circulating water in steelmaking production |
Publications (1)
Publication Number | Publication Date |
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CN220684896U true CN220684896U (en) | 2024-03-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321955008.4U Active CN220684896U (en) | 2023-07-25 | 2023-07-25 | Magnetic filter for recycling circulating water in steelmaking production |
Country Status (1)
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CN (1) | CN220684896U (en) |
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2023
- 2023-07-25 CN CN202321955008.4U patent/CN220684896U/en active Active
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