CN112142132B - Recycling method of steel smelting wastewater - Google Patents
Recycling method of steel smelting wastewater Download PDFInfo
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- CN112142132B CN112142132B CN202011015852.XA CN202011015852A CN112142132B CN 112142132 B CN112142132 B CN 112142132B CN 202011015852 A CN202011015852 A CN 202011015852A CN 112142132 B CN112142132 B CN 112142132B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
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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
- 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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Abstract
The invention relates to the technical field of steel smelting wastewater utilization, in particular to a method for recycling steel smelting wastewater. The invention can solve the following problems in the traditional treatment of the waste water for steel smelting and cooling: firstly, the traditional treatment of the waste water for steel smelting cooling is usually not carried out any more, but a small amount of waste steel and iron and small steel balls exist in the waste water and are directly discarded, so that the waste of natural resources is caused; and secondly, the wastewater is directly discharged when the wastewater for steel smelting and cooling is treated traditionally, and the water resource is not recycled, so that the water resource waste is caused. The waste steel and steel balls contained in the waste water for steel smelting and cooling can be recovered, the steel resources are saved, the waste water for steel smelting and cooling can be filtered and cooled, the waste water can be circulated into the slag cooling system to cool the slag just discharged from the smelting furnace, and the water resources are greatly saved.
Description
Technical Field
The invention relates to the technical field of steel smelting wastewater utilization, in particular to a method for recycling steel smelting wastewater.
Background
The steelmaking slag is a general term for products formed by oxidizing impurities in metal materials (molten iron, scrap steel, and the like) in a steelmaking process with an oxidizing agent to generate oxides, and then performing a physicochemical reaction with a slag former and a furnace lining. The slag is lower in density than the molten steel and generally covers the surface of the molten steel. The composition of the steel is mainly oxide (silicon dioxide, aluminum oxide, calcium oxide and magnesium oxide), and also contains sulfide and carries a small amount of waste steel.
When the slag is treated, the just-discharged slag needs to be cooled firstly, and the cooling of the just-discharged slag is usually quenching cooling by water, wherein the waste water generated by cooling the slag carries part of slag particles, and the slag particles contain a small amount of waste steel and small steel balls.
However, the conventional treatment of wastewater for iron and steel smelting cooling has the following problems: firstly, the traditional treatment of the waste water for steel smelting and cooling is usually not carried out any more, but a small amount of waste steel and iron and small steel balls exist in the waste water and are directly discarded, so that the waste of natural resources is caused. And secondly, the wastewater is directly discharged when the wastewater for steel smelting and cooling is treated traditionally, and the water resource is not recycled, so that the waste of the water resource is caused.
Disclosure of Invention
In order to solve the problems, the invention provides a method for recycling the steel smelting wastewater, which can solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the recycling method of the steel smelting wastewater uses a recycling device of the steel smelting wastewater, the recycling device of the steel smelting wastewater comprises a first installation box, a filtering and cleaning device, a magnetic adsorption device and a heat dissipation device, and the specific method when the recycling device of the steel smelting wastewater is used for recycling the steel smelting wastewater is as follows:
s1, equipment checking: before the iron and steel smelting wastewater recycling equipment is started, the operation of the equipment is checked;
s2, filtering and cleaning: filtering slag particles in the steel smelting wastewater through a filtering and cleaning device, and cleaning the filtered slag particles into a magnetic absorption device;
s3, waste water heat dissipation and reutilization: dissipating heat in the filtered steel smelting wastewater through a heat dissipating device, and cooling the slag again by the heat dissipated water for recycling;
s4, adsorption and collection: when the step S3 is carried out, the magnetic adsorption device is used for adsorbing and collecting steel particles contained in the slag after crushing the slag particles;
the first installation box is of a box-shaped structure with an upward opening, the upper side of the first installation box is provided with a filtering and cleaning device, the lower side of the first installation box is provided with a heat dissipation device, and the magnetic adsorption device is arranged on the outer wall of the right side of the first installation box;
the filtering and cleaning device comprises a waste water tank, a baffle, a first guide frame, a fixed plate, a mounting groove, a filter plate, a slag discharging groove, a second guide frame, a mounting plate, a reciprocating drive motor and a cleaning rod, wherein the waste water tank is mounted on the right inner wall of the opening at the upper end of the first mounting box, the waste water tank is of a box-shaped structure with an upward opening, the baffle is arranged between the left outer wall of the waste water tank and the left inner wall of the first mounting box, the first guide frame is arranged on the outer wall at the lower side of the right end of the waste water tank, the first guide frame is of a hollow structure with a downward inclined left end and is mutually communicated with the interior of the waste water tank, the fixed plate with a downward inclined right end is arranged between the inner walls of the first mounting box at the lower side of the waste water tank, the semicircular mounting groove is formed in the left side of the fixed plate, the filter plate is mounted on the inner wall at the lower side of the mounting groove in a matched manner, fine filter holes are formed in the filter plate, and the slag discharging groove is formed in the wall at the left end of the first mounting box of the filter plate, the outer wall of a first installation box outside the slag discharging groove is provided with a second guide frame in a matching way, the second guide frame is of a structure with a downward inclined left end and an upward opening, 21274, the mounting plate is arranged between the inner wall of the first installation box and the first guide frame, the mounting plate has the same inclination angle with the fixed plate, the upper end surface of the mounting plate is provided with a reciprocating drive motor, an output shaft of the reciprocating drive motor is vertical to the mounting plate and penetrates through the mounting plate in a sliding way, the left end of the cleaning rod is arranged at the end part of the output shaft of the reciprocating drive motor, the lower end surface of the cleaning rod is provided with a fine hairbrush, and the cleaning rod is in sliding contact with the upper end surface of the filter plate through the fine hairbrush;
the magnetic adsorption device comprises a second installation box, a crushing mechanism, a first guide plate, magnetic adsorption rollers, a first driven gear, a second driven gear, a first driven belt pulley, a scraper blade, a material taking groove, a waste material box, an iron scrap box, a rotating motor and a driving belt pulley, wherein the second installation box is of a box structure with an upward opening, the crushing mechanism is installed on the upper side of the second installation box, the first guide plate is arranged on the left inner wall and the right inner wall of the second installation box on the lower side of the crushing mechanism, one end of the first guide plate opposite to the first guide plate is inclined downwards, a gap is formed between the two first guide plates, two magnetic adsorption rollers are arranged between the front side wall and the rear side wall of the second installation box on the lower side of the first guide plate through bearings, the two magnetic adsorption rollers are bilaterally symmetrical and tangent, the roller shafts of the two magnetic adsorption rollers penetrate through the rear side wall of the second installation box, and one end of the left magnetic adsorption roller shaft outside the installation box is provided with the first driven gear, magnetism is inhaled roller one end outside the install bin and is installed No. two driven gear, driven pulley installs on the magnetism of the driven gear rear side is inhaled roller, be provided with the scraper blade around the install bin of magnetism roller downside, the lateral wall is inhaled roller outer wall cooperation with the magnetism of the left and right sides and is pasted tightly about the scraper blade, the dump bin has been placed to the left and right sides of the bottom of No. two install bins, the iron fillings case has been placed between two dump bins, the silo of getting has been seted up on the install bin lateral wall No. two of waste bin and iron fillings case front and back side, the rotating electrical machines is installed on install bin left side wall No. two, be provided with driving pulley on the output shaft of rotating electrical machines, be connected through the belt between driving pulley and the driven pulley.
According to a preferred technical scheme, the heat dissipation device comprises a water baffle, a copper pipe, cooling fins, ventilation grooves, a fan and a water storage tank, wherein the water baffle is arranged between the inner walls of a first installation box on the lower side of a fixing plate, the right end of the water baffle inclines downwards, the copper pipe is bent into a wavy shape, the upper end of the copper pipe is linearly and uniformly installed on the water baffle and is communicated with the upper end face of the water baffle, the cooling fins are uniformly arranged on the outer wall of the copper pipe, the ventilation grooves are formed in the side walls of the first installation box on the front side and the rear side of the cooling fins, the fan is installed on the side wall of the first installation box on the rear side of the ventilation grooves, the water storage.
As a preferable technical scheme of the invention, the crushing mechanism comprises a second guide plate, crushing rollers, crushing discs, a third driven gear, a fourth driven gear and a second driven belt pulley, the second guide plate is symmetrically arranged on the left side wall and the right side wall of a second mounting box, one end of the two second guide plates opposite to each other is inclined downwards and is provided with a gap, two crushing rollers are arranged between the front side wall and the rear side wall of the second mounting box at the lower side of the second guide plate through bearings and are arranged in bilateral symmetry, the crushing discs are linearly and uniformly arranged on the crushing rollers, the crushing discs on the left crushing roller and the right crushing roller are arranged in a staggered mode, one end, penetrating through the rear side wall of the second mounting box, of the roller shaft of the left crushing roller is provided with the third driven gear, one end, penetrating through the rear side wall of the second mounting box, of the roller shaft of the right crushing roller is provided with the fourth driven gear, and the third driven gear is meshed with the fourth driven gear, no. two driven pulley install on the crushing roller axle of No. four driven gear rear sides, and No. two driven pulley passes through the belt and is connected with a driven pulley.
As a preferred technical scheme of the invention, the right end of the cleaning rod is provided with an arc cleaning block, the right end face of the arc cleaning block is an arc face matched with the inner wall of the mounting groove, two ends of the arc cleaning block are acute angles and are sharp-angled, and the lower end face of the arc cleaning block is in sliding contact with the upper end face of the filter plate.
As a preferable technical scheme, a water suction pump is arranged on the right side of the first installation box and connected into the water storage tank through a pipeline.
The invention has the beneficial effects that:
1. the invention can solve the following problems in the traditional treatment of the waste water for steel smelting and cooling: firstly, the traditional treatment of the waste water for steel smelting cooling is usually not carried out any more, but a small amount of waste steel and iron and small steel balls exist in the waste water and are directly discarded, so that the waste of natural resources is caused; and secondly, the wastewater is directly discharged when the wastewater for steel smelting and cooling is treated traditionally, and the water resource is not recycled, so that the waste of the water resource is caused. The waste steel and steel balls contained in the waste water for steel smelting and cooling can be recycled, the steel resource is saved, meanwhile, the waste water for steel smelting and cooling can be filtered and cooled, so that the waste water can be circularly fed into a slag cooling system to cool the slag just discharged from the smelting furnace, and the water resource is greatly saved.
2. The waste water for steel smelting and cooling is filtered by the filtering and cleaning device and then enters the magnetic adsorption device, the rotating motor works, the magnetic adsorption roller and the crushing roller are driven to rotate by the belt, the crushing roller crushes the filtered slag, the crushed slag falls onto the magnetic adsorption roller, the magnetic adsorption roller rotates outwards, the slag between the two magnetic adsorption rollers is driven to two sides by the magnetic adsorption roller, the magnetic adsorption roller rotates and adsorbs waste steel and small steel ball slag contained in the slag, so that the waste slag falls into the waste box when the magnetic adsorption roller rotates, the waste steel and small steel ball slag adsorbed on the outer wall of the magnetic adsorption roller is scraped into the waste box when passing through the scraper, and the purpose of separating the waste in the slag, the waste steel and the small steel ball slag is achieved.
3. According to the invention, the filtered wastewater is subjected to heat dissipation and cooling through the copper pipe and the heat dissipation fins by the heat dissipation device, the air flow can be accelerated by the fan arranged at the rear sides of the copper pipe and the heat dissipation fins, so that the heat dissipation rate is increased, the heat-dissipated and cooled wastewater enters the water storage tank, and the heat-dissipated and cooled wastewater can be reused and used for cooling the slag just discharged out of the smelting furnace through the water suction pump.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a cross-sectional view of a front view of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
fig. 5 is a schematic view of the structure of the present invention (seen from back to front).
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to 1-5, the method for recycling the steel smelting wastewater uses a steel smelting wastewater recycling device, the steel smelting wastewater recycling device comprises a first installation box 1, a filtering and cleaning device 2, a magnetic adsorption device 3 and a heat dissipation device 4, and the specific method for recycling the steel smelting wastewater by using the steel smelting wastewater recycling device is as follows:
s1, equipment checking: before the iron and steel smelting wastewater recycling equipment is started, the operation of the equipment is checked;
s2, filtering and cleaning: filtering slag particles in the steel smelting wastewater through a filtering and cleaning device 2, and cleaning the filtered slag particles into a magnetic adsorption device 3;
s3, waste water heat dissipation and reutilization: the heat in the filtered steel smelting wastewater is dissipated through the heat dissipation device 4, and the slag is cooled and reused by the dissipated water;
s4, adsorption and collection: at the same time of S3, the magnetic adsorption device 3 crushes the slag particles and then adsorbs and collects the steel particles contained in the slag;
the first installation box 1 is of a box-shaped structure with an upward opening, the filtering and cleaning device 2 is installed on the upper side of the first installation box 1, the heat dissipation device 4 is installed on the lower side of the first installation box 1, and the magnetic adsorption device 3 is arranged on the outer wall of the right side of the first installation box 1;
the filtering and cleaning device 2 comprises a waste water box 21, a baffle plate 22, a first guide frame 23, a fixing plate 24, a mounting groove 25, a filter plate 26, a slag discharging groove 27, a second guide frame 28, a mounting plate 29, a reciprocating driving motor 210 and a cleaning rod 211, wherein the waste water box 21 is mounted on the right inner wall of the opening at the upper end of the first mounting box 1, the waste water box 21 is of a box-shaped structure with an upward opening, the baffle plate 22 is arranged between the left outer wall of the waste water box 21 and the left inner wall of the first mounting box 1, the first guide frame 23 is arranged on the outer wall at the lower side of the right end of the waste water box 21, the first guide frame 23 is of a hollow structure with a downward inclined left end and is communicated with the inside of the waste water box 21, the fixing plate 24 at the right end is arranged between the inner walls of the first mounting box 1 at the lower side of the waste water box 21, the semicircular mounting groove 25 is provided with the filter plate 26 in a matching way, the filter plate 26 is provided with fine filter holes, the wall of the first installation box 1 at the left end of the filter plate 26 is provided with a slag discharging groove 27, the outer wall of the first installation box 1 at the outer side of the slag discharging groove 27 is provided with a second guide frame 28 in a matching way, the second guide frame 28 is of a '21274' -shaped structure with the left end inclined downwards and the opening upwards, the installation plate 29 is installed between the inner wall of the first installation box 1 and the first guide frame 23, the inclination angle of the installation plate 29 is the same as that of the fixed plate 24, the upper end surface of the installation plate 29 is provided with a reciprocating drive motor 210, the output shaft of the reciprocating drive motor 210 is vertical to the installation plate 29 and slides through the installation plate 29, the left end of the cleaning rod 211 is arranged at the end part of the output shaft of the reciprocating drive motor 210, the lower end surface of the cleaning rod 211 is provided with fine brushes, the cleaning rod 211 is in sliding contact with the upper end surface of the filter plate 26 through the fine brushes, the right end of the cleaning rod 211 is provided with an arc-shaped cleaning block 2111, the right end face of the arc cleaning block 2111 is an arc face matched with the inner wall of the mounting groove 25, two ends of the arc cleaning block 2111 are acute angles and are sharp-cornered, and the lower end face of the arc cleaning block 2111 is in sliding contact with the upper end face of the filter plate 26.
When the reciprocating type slag cleaning machine works, waste water for cooling slag enters the waste water tank 21, the waste water in the waste water tank 21 is poured onto the filter plate 26 through the first guide frame 23, slag particles in the waste water are filtered on the upper end face of the filter plate 26 through the filtering of the filter plate 26, the reciprocating driving motor 210 works, an output shaft of the reciprocating driving motor 210 rotates to drive the sweeping rod 211 to rotate, the slag particles on the upper end surface of the filter plate 26 are cleaned, the arc-shaped cleaning block 2111 can clean the included angle between the inner wall of the mounting groove 25 and the filter plate 26, when the cleaning rod 211 is rotated to the outside of the slag notch 27, the reciprocating driving motor 210 is operated, at this time, the slag particles on the upper end surface of the filter plate 26 are cleaned into the magnetic adsorption device 3, the reciprocating driving motor 210 is operated again, and the cleaning rod 211 is driven to rotate in the opposite direction to the outside of the slag hole 27, and stops working, and the reciprocating driving motor 210 reciprocates.
During specific work, the waste water filtered by the filter plate 26 falls on the water baffle 41, so that the water stops falling and flows to the right end of the water baffle 41, the waste water flows into the water storage tank 46 through the copper pipe 42, when the waste water flows in the copper pipe 42, the fan 45 works, heat in the waste water is dissipated through the radiating fins 43, the waste water is cooled, and the waste water after heat dissipation and cooling is reused by the water suction pump 5 and is used for cooling slag just discharged out of the smelting furnace.
The magnetic adsorption device 3 comprises a second installation box 31, a crushing mechanism 32, a first guide plate 33, magnetic adsorption rollers 34, a first driven gear 35, a second driven gear 36, a first driven belt pulley 37, a scraper 38, a material taking groove 39, a waste material box 310, an iron scrap box 311, a rotating motor 312 and a driving belt pulley 313, wherein the second installation box 31 is of a box-shaped structure with an upward opening, the crushing mechanism 32 is installed on the upper side of the second installation box 31, the left and right inner walls of the second installation box 31 on the lower side of the crushing mechanism 32 are provided with the first guide plate 33, one opposite end of the first guide plate 33 inclines downwards, a gap is reserved between the two first guide plates 33, two magnetic adsorption rollers 34 are arranged between the front and back side walls of the second installation box 31 on the lower side of the first guide plate 33 through bearings, the two magnetic adsorption rollers 34 are bilaterally symmetrical and tangent, and the roller shafts of the two magnetic adsorption rollers 34 penetrate through the back side wall of the second installation box 31, and one end of the left magnetic suction roller 34 roll shaft outside the installation box is provided with a driven gear 35, one end of the right magnetic suction roller 34 roll shaft outside the installation box is provided with a driven gear 36 II, a driven pulley 37 is installed on the magnetic suction roller 34 roll shaft at the rear side of the driven gear 35, the front side wall and the rear side wall of the installation box at the lower side of the magnetic suction roller 34 are provided with scrapers 38, the left side wall and the right side wall of each scraper 38 are matched and attached tightly with the outer walls of the magnetic suction rollers 34 at the left side and the right side, waste boxes 310 are placed at the left side and the right side of the bottom of the second installation box 31, scrap boxes 311 are placed between the two waste boxes 310, material taking grooves 39 are formed in the side walls of the second installation box 31 at the front side and the rear side of the waste boxes 310 and the scrap boxes 311, a rotating motor 312 is installed on the left side wall of the second installation box 31, a driving pulley 313 is arranged on an output shaft of the rotating motor 312, and the driving pulley 313 are connected with the driven pulley 37 through a belt.
The crushing mechanism 32 comprises a second guide plate 321, crushing rollers 322, a crushing disc 323, a third driven gear 324, a fourth driven gear 325 and a second driven pulley 326, the second guide plate 321 is symmetrically arranged on the left side wall and the right side wall of the second mounting box 31, one end of the two second guide plates 321 opposite to each other inclines downwards and is provided with a gap, two crushing rollers 322 are arranged between the front side wall and the rear side wall of the second mounting box 31 at the lower side of the second guide plate 321 through bearings, the two crushing rollers 322 are symmetrically arranged on the left side and the right side, the crushing discs 323 are linearly and uniformly arranged on the crushing rollers 322, the crushing discs 323 on the left crushing roller 322 and the right crushing roller 322 are arranged in a staggered mode, the third driven gear 324 is arranged at one end, penetrating through the rear side wall of the second mounting box 31, of the roller shaft of the left crushing roller 322, the fourth driven gear 325 is arranged at one end, penetrating through the rear side wall of the second mounting box 31, of the right crushing roller 322, the third driven gear 324 and the fourth driven gear 325 are meshed with each other, the second driven pulley 326 is mounted on a grinding roller 322 roller shaft at the rear side of the fourth driven gear 325, and the second driven pulley 326 is connected with the first driven pulley 37 through a belt.
When the slag cleaning machine works, when slag particles on the upper end surface of the filter plate 26 are cleaned into the magnetic adsorption device 3, the rotating motor 312 works, the output shaft of the rotating motor 312 rotates to drive the driving belt pulley 313 to rotate, the driving belt pulley 313 drives the first driven belt pulley 37 to rotate through belt transmission, the first driven belt pulley 37 rotates to drive the left magnetic adsorption roller 34 to rotate, the first driven gear 35 rotates to follow the roller shaft of the left magnetic adsorption roller 34, the first driven gear 35 rotates to drive the second driven gear 36 to rotate, the second driven gear 36 rotates to drive the right magnetic adsorption roller 34 to rotate, so that the two magnetic adsorption rollers 34 rotate outwards relatively, the first driven belt pulley 37 drives the second driven belt pulley 326 to rotate through belt transmission, the second driven belt pulley 326 rotates to drive the fourth driven gear 325 to rotate, the fourth driven gear 325 rotates to drive the third driven gear 324 to rotate, therefore, the crushing rollers 322 rotate inwards relatively, slag particles fall between the two crushing rollers 322 under the guiding action of the second guide plate 321, the crushing disc 323 and the crushing rollers 322 are matched to crush the slag particles, the crushed slag particles continuously fall, the crushed slag particles fall between the magnetic suction rollers 34 under the guiding action of the first guide plate 33, the slag particles between the two magnetic suction rollers are driven by the rotating magnetic suction rollers 34 to move towards the left and right sides, the magnetic suction rollers 34 rotate and adsorb waste steel and small steel ball crushed slag contained in the slag particles, the unadsorbed slag particles cannot be adsorbed on the magnetic suction rollers 34, and the unadsorbed slag particles fall into a waste bin, and the waste steel and small steel ball crushed slag adsorbed on the outer wall of the magnetic suction rollers 34 is scraped into the scrap bin when passing through the scraper 38.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a steel smelting waste water recovery cyclic utilization method, it has used a steel smelting waste water recovery cyclic utilization equipment, and this steel smelting waste water recovery cyclic utilization equipment includes install bin (1), filters cleaning device (2), magnetism adsorption equipment (3) and heat abstractor (4), its characterized in that: the specific method for recycling the steel smelting wastewater by adopting the steel smelting wastewater recycling equipment comprises the following steps:
s1, equipment checking: before the iron and steel smelting wastewater recycling equipment is started, the operation of the equipment is checked;
s2, filtering and cleaning: slag particles in the steel smelting wastewater are filtered through the filtering and cleaning device (2), and the filtered slag particles are cleaned into the magnetic adsorption device (3);
s3, waste water heat dissipation and reutilization: the heat in the filtered steel smelting wastewater is dissipated through a heat dissipating device (4), and the slag is cooled and reused by the dissipated water;
s4, adsorption and collection: s3, crushing the slag particles by the magnetic adsorption device (3) and then adsorbing and collecting the steel particles contained in the slag;
the first installation box (1) is of a box-shaped structure with an upward opening, a filtering and cleaning device (2) is installed on the upper side of the first installation box (1), a heat dissipation device (4) is installed on the lower side of the first installation box (1), and a magnetic adsorption device (3) is arranged on the outer wall of the right side of the first installation box (1);
the filtering and cleaning device (2) comprises a waste water box (21), a baffle plate (22), a first guide frame (23), a fixing plate (24), a mounting groove (25), a filter plate (26), a slag discharging groove (27), a second guide frame (28), a mounting plate (29), a reciprocating driving motor (210) and a cleaning rod (211), wherein the waste water box (21) is mounted on the right inner wall of an opening at the upper end of the first mounting box (1), the waste water box (21) is of a box-shaped structure with an upward opening, the baffle plate (22) is arranged between the outer wall of the left side of the waste water box (21) and the inner wall of the left side of the first mounting box (1), the first guide frame (23) is arranged on the outer wall of the lower side of the right end of the waste water box (21), the first guide frame (23) is of a hollow structure with the downward inclined left end and is communicated with the interior of the waste water box (21), the fixing plate (24) with the downward inclined right end is arranged between the inner walls of the first mounting box (1) at the lower side of the waste water box (21), the left side of the fixing plate (24) is provided with a semicircular mounting groove (25), the inner wall of the lower side of the mounting groove (25) is provided with a filter plate (26) in a matching way, the filter plate (26) is provided with fine filter holes, the wall of a first mounting box (1) at the left end of the filter plate (26) is provided with a slag discharging groove (27), the outer wall of the first mounting box (1) at the outer side of the slag discharging groove (27) is provided with a second guide frame (28) in a matching way, the second guide frame (28) is of a reversed V-shaped structure with the left end inclined downwards and the opening upwards, the mounting plate (29) is arranged between the inner wall of the first mounting box (1) and the first guide frame (23), the inclination angles of the mounting plate (29) and the fixing plate (24) are the same, the upper end surface of the mounting plate (29) is provided with a reciprocating driving motor (210), the output shaft of the reciprocating driving motor (210) is vertical to the mounting plate (29) and slides through the mounting plate (29), the left end of the cleaning rod (211) is arranged at the end part of an output shaft of the reciprocating drive motor (210), the lower end surface of the cleaning rod (211) is provided with a fine hairbrush, and the cleaning rod (211) is in sliding contact with the upper end surface of the filter plate (26) through the fine hairbrush;
the magnetic adsorption device (3) comprises a second installation box (31), a crushing mechanism (32), a first guide plate (33), a magnetic adsorption roller (34), a first driven gear (35), a second driven gear (36), a first driven belt pulley (37), a scraper (38), a material taking groove (39), a waste material box (310), an iron scrap box (311), a rotating motor (312) and a driving belt pulley (313), wherein the second installation box (31) is of a box-shaped structure with an upward opening, the crushing mechanism (32) is installed on the upper side of the second installation box (31), the first guide plate (33) is arranged on the left inner wall and the right inner wall of the second installation box (31) on the lower side of the crushing mechanism (32), one end of the first guide plate (33) is inclined downwards, a gap is reserved between the two first guide plates (33), two magnetic adsorption rollers (34) are arranged between the front side wall and the rear side wall of the second installation box (31) on the lower side of the first guide plate (33) through bearings, the two magnetic suction rollers (34) are bilaterally symmetrical and tangent, the roller shafts of the two magnetic suction rollers (34) penetrate through the rear side wall of the second mounting box (31), one driven gear (35) is mounted at one end of the roller shaft of the left magnetic suction roller (34) outside the mounting box, one driven gear (36) is mounted at one end of the roller shaft of the right magnetic suction roller (34) outside the mounting box, a driven belt pulley (37) is mounted on the roller shaft of the magnetic suction roller (34) at the rear side of the first driven gear (35), scraping plates (38) are arranged on the front side wall and the rear side wall of the mounting box at the lower side of the magnetic suction roller (34), the left side wall and the right side wall of each scraping plate (38) are matched and attached to the outer walls of the magnetic suction rollers (34) at the left side and the right side, waste boxes (310) are placed on the left side and the right side of the bottom of the second mounting box (31), an iron scrap box (311) is placed between the two waste boxes (310), and a material taking groove (39) is formed in the side walls of the mounting box (31) at the front side and the rear side of the waste boxes (310), the rotating motor (312) is installed on the left side wall of the second installation box (31), a driving belt pulley (313) is arranged on an output shaft of the rotating motor (312), and the driving belt pulley (313) is connected with the first driven belt pulley (37) through a belt.
2. The method for recycling and reusing iron and steel smelting wastewater according to claim 1, characterized in that: the heat dissipation device (4) comprises a water baffle (41), a copper pipe (42), a heat dissipation sheet (43), a ventilation groove (44), a fan (45) and a water storage tank (46), the water baffle (41) is arranged between the inner walls of the first installation box (1) at the lower side of the fixing plate (24), and the right-hand member slope of breakwater (41) is downward, copper pipe (42) bend into wavy, copper pipe (42) upper end straight line evenly install on breakwater (41) and with breakwater (41) up end UNICOM, copper pipe (42) outer wall evenly is provided with fin (43), ventilation slot (44) have been seted up on installation box (1) lateral wall of fin (43) front and back both sides, fan (45) are installed on installation box (1) lateral wall of ventilation slot (44) rear side, storage water tank (46) have been placed to the bottom of installation box (1), storage water tank (46) are the ascending box structure of opening.
3. The method for recycling and reusing iron and steel smelting wastewater according to claim 1, characterized in that: the crushing mechanism (32) comprises a second guide plate (321), crushing rollers (322), a crushing disc (323), a third driven gear (324), a fourth driven gear (325) and a second driven pulley (326), the second guide plate (321) is symmetrically arranged on the left side wall and the right side wall of the second mounting box (31), one ends of the two second guide plates (321) opposite to each other are inclined downwards and are provided with gaps, two crushing rollers (322) are arranged between the front side wall and the rear side wall of the second mounting box (31) on the lower side of the second guide plate (321) through bearings, the two crushing rollers (322) are symmetrically arranged left and right, the crushing discs (323) are uniformly arranged on the crushing rollers (322) in a straight line, the crushing discs (323) on the left crushing roller (322) and the right crushing roller (322) are arranged in a staggered mode, the third driven gear (324) is arranged at one end, through the rear side wall of the second mounting box (31), of a roller shaft of the left crushing roller (322), no. four driven gears (325) are installed to the one end that the roller axle of crushing roller (322) on right side passed the rear wall of No. two install bins (31), No. three driven gears (324) and No. four driven gears (325) intermeshing, No. two driven pulley (326) are installed on crushing roller (322) roller axle of No. four driven gears (325) rear side, No. two driven pulley (326) are connected with a driven pulley (37) through the belt.
4. The method for recycling and reusing iron and steel smelting wastewater according to claim 1, characterized in that: the right-hand member that cleans pole (211) is provided with the arc and cleans piece (2111), and the right-hand member face that the arc cleaned piece (2111) is the arcwall face with mounting groove (25) inner wall complex, and the arc cleans piece (2111) both ends and is the closed angle form for the acute angle, and the arc cleans the lower terminal surface of piece (2111) and filter (26) up end sliding contact.
5. The method for recycling and reusing iron and steel smelting wastewater according to claim 2, characterized in that: the right side of install bin (1) is provided with suction pump (5), and suction pump (5) pass through the pipe connection in storage water tank (46).
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| CN209020543U (en) * | 2018-09-28 | 2019-06-25 | 福州美佳环保资源开发有限公司 | A kind of refuse incinerator slag brickmaking impurity-removing device |
| CN209428282U (en) * | 2018-11-19 | 2019-09-24 | 河南天辰环保装备研究院有限公司 | A kind of industrial waste water disposal device |
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