CN112452454A - Copper slag screening device and using method thereof - Google Patents
Copper slag screening device and using method thereof Download PDFInfo
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- CN112452454A CN112452454A CN202011167030.3A CN202011167030A CN112452454A CN 112452454 A CN112452454 A CN 112452454A CN 202011167030 A CN202011167030 A CN 202011167030A CN 112452454 A CN112452454 A CN 112452454A
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- 238000012216 screening Methods 0.000 title claims abstract description 215
- 239000002893 slag Substances 0.000 title claims abstract description 118
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 106
- 239000010949 copper Substances 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000428 dust Substances 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 2
- 238000005188 flotation Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 16
- 238000005507 spraying Methods 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 241000251468 Actinopterygii Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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Classifications
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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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/185—Discharging devices combined with sorting or separating of material with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/186—Adding fluid, other than for crushing by fluid energy
- B02C17/1875—Adding fluid, other than for crushing by fluid energy passing gas through crushing zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
-
- 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
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
本发明提出一种铜渣筛选装置及其使用方法，该铜渣筛选装置包括底座，在底座的上端设有初级筛选仓，初级筛选仓的一侧面上下端对应设有吸尘板，初级筛选仓的内部安装有筛选筒，初级筛选仓的前表面连通有下料管，下料管的一端且位于初级筛选仓的前侧连接有二级筛选箱，在二级筛选箱的上表面且位于下料管的一侧设有淋喷板，二级筛选箱的内部一侧对应下料管的一端处安装有下料台，在二级筛选箱的内部且靠近下料台的一侧等距离分布有若干个隔板。本发明先将铜渣粉碎处理，实现铜渣与灰渣的初步分离，再利用两者的重力不同，配合水流以及气板的作用，实现二次筛选处理，将粉碎吸除以及水浮分离集成一体化，进一步提高了铜渣的筛选效率。
The invention provides a copper slag screening device and a method of using the same. The copper slag screening device includes a base, and a primary screening bin is arranged on the upper end of the base. The upper and lower ends of one side of the primary screening bin are correspondingly provided with dust suction plates. There is a screening cylinder installed inside, the front surface of the primary screening bin is connected with a feeding pipe, and one end of the feeding tube is connected to the front side of the primary screening bin with a secondary screening box, which is on the upper surface of the secondary screening box and located at the bottom. There is a spray plate on one side of the feeding tube, and a feeding table is installed on the inner side of the secondary screening box corresponding to one end of the feeding tube, which is distributed equidistantly inside the secondary screening box and close to the feeding table. There are several partitions. The method firstly crushes the copper slag to realize the preliminary separation of the copper slag and the ash slag, and then utilizes the difference in gravity between the two, and cooperates with the action of the water flow and the air plate to realize the secondary screening treatment, and integrates the crushing and suction removal and the water flotation separation and integration. The integration further improves the screening efficiency of copper slag.
Description
Technical Field
The invention relates to the technical field of copper slag screening, in particular to a copper slag screening device and a using method thereof.
Background
As is well known, the mineral resources in China are rich, but the per-capita resource occupancy is poor. With the gradual depletion of copper ore resources, low-grade copper ores are more and more highly valued by people, but China is a large consumption country of copper ore resources, and the copper ore resources are deficient, so that a series of sharp contradictions and resource shortage situations are formed.
Specifically, the copper slag is industrial waste slag generated in the copper smelting process, and belongs to non-ferrous metal slag. The waste slag discharged by adopting the reverberatory furnace method for smelting copper is reverberatory furnace copper slag, and the waste slag discharged by adopting the blast furnace for smelting copper is blast furnace copper slag. Wherein, when 1 ton of copper is smelted, 10-20 tons of furnace slag is produced by adopting a reverberatory furnace method, and 50-100 tons of copper slag is produced by adopting a blast furnace method. Therefore, in the copper material smelting process, a lot of copper slag is generated, which contains a lot of copper components and causes great waste if not used.
However, the existing copper slag refining equipment and process have the disadvantages that the equipment is complex, the screening of the copper slag is complicated, the separation efficiency of the copper slag is low, and the investment cost is large.
Disclosure of Invention
The invention aims to provide a copper slag screening device and a using method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a copper slag screening device, which comprises a base, wherein a primary screening bin is arranged at the upper end of the base, a driving motor is arranged at the upper end of the base and positioned on the rear side surface of the primary screening bin, an exhaust fan is arranged at the upper end of the base and positioned on one side of the primary screening bin, a collecting box is arranged on one side of the exhaust fan, a dust suction plate is correspondingly arranged at the upper end and the lower end of one side surface of the primary screening bin, and a feeding hole is formed in one side of the upper surface of the primary screening bin;
the utility model discloses a screening machine, including primary screening storehouse, secondary screening case, unloading platform, high pressure positive blower's output is connected with the tuber pipe, the upper surface opposite side in primary screening storehouse is equipped with the access door the internally mounted in primary screening storehouse has a screening section of thick bamboo, the bottom intercommunication in primary screening storehouse has the feed bin down, the front surface intercommunication in primary screening storehouse has the unloading pipe the one end of unloading pipe and the front side that is located primary screening storehouse are connected with the secondary screening case the upper surface of secondary screening case just is located one side of unloading pipe is equipped with drenches the shower plate the high pressure positive blower is installed to a side lower extreme of secondary screening case, high pressure positive blower's output is connected with the tuber pipe the inside one side of secondary screening case just corresponds the one end department of unloading pipe installs the unloading platform the inside of secondary screening case just is close to one side equidistance distribution of unloading platform.
As a further scheme of the invention: the input of air exhauster pass through the pipeline with the dust absorption board communicates, the output of air exhauster pass through the pipeline with the collecting box is linked together, a side of collecting box is equipped with the air outlet, the inside of collecting box is equipped with the filter screen, the dust absorption board is hollow structure a side of dust absorption board just is located the internal distribution in elementary screening storehouse has a plurality of dust imports, the dust absorption board with through connection through the dust import between the elementary screening storehouse.
As a further scheme of the invention: the utility model discloses a screening drum, including a screening drum, gear ring, drive motor, gear ring, main gear, drive motor's output, drive motor, gear ring's one end lateral surface is installed the ring gear, the lower extreme and the main gear mesh of ring gear, the one end of main gear is connected with the transfer line, the other end surface of screening drum is equipped with flip, driving motor's output with the transfer line is fixed mutually, the one end of screening drum is passed through the ring gear with the main gear meshes the connection, the other end of screening drum with elementary screening storehouse rotates to be connected.
As a further scheme of the invention: the air intake has been seted up to another side upper end in elementary screening storehouse the another side in elementary screening storehouse just is located control panel is installed to one side of air intake, a side of feed bin articulates there is the lime-ash discharge door down, the another side-mounting of second grade screening case has the water tank, the internally mounted of water tank has the water pump, the upper end of water tank runs through there is the water pipe, the leading flank upper end intercommunication of second grade screening case has the discharging pipe the upper surface of second grade screening case just is located it articulates to drench one side of spouting the board has the material door of getting.
As a further scheme of the invention: the output of water pump is linked together with the water pipe, the other end of water pipe with drench the shower plate and communicate mutually, drench the inside hollow structure that is of shower plate drench the lower surface of shower plate and be located the inside distribution of second grade screening case has a plurality of orifice, the blanking platform sets up for the slope.
As a further scheme of the invention: the height of the plurality of partition plates is gradually increased from the discharging platform inside the secondary screening box, a plurality of air outlets are distributed on the surface of the air plate, the inside of the air plate is of a hollow structure, one end of the air pipe is communicated with the high-pressure fan, and one side of the air pipe penetrates through the secondary screening box.
As a further scheme of the invention: the upper surface of unloading pipe is pegged graft and is had the baffle the upper surface of unloading pipe and with the slot has been seted up to the corresponding department of baffle, the baffle size and the size looks adaptation of slot, the one end of unloading pipe with the upper surface of second grade screening case is linked together, the other end of unloading pipe runs through primary screening storehouse and with the one end of a screening section of thick bamboo is corresponding.
The invention also provides a use method of the copper slag screening device, which comprises the following steps:
s1, before use, firstly opening an access door and a flip cover, putting crushing steel balls into a screening cylinder, closing the access door and the flip cover, then sending copper slag into the screening cylinder in a primary screening bin from a feed inlet, controlling a driving motor to work through a control panel, driving a transmission rod to rotate by the driving motor, driving a gear ring to rotate by the transmission rod by using a main gear, driving the screening cylinder to rotate by the gear ring synchronously, and then rotationally crushing the copper slag in the screening cylinder by using the crushing steel balls;
s2, controlling an exhaust fan to work through a control panel, sucking out slag ash generated when copper slag in the primary screening bin is crushed by utilizing the exhaust fan and a dust suction plate, collecting the slag ash into a collection box, and enabling part of the slag ash which is not sucked out to fall into a blanking bin;
s3, after crushing, closing the exhaust fan and the driving motor, opening the access door and the flip cover, taking out the crushed steel balls in the screening cylinder, and closing the access door and the flip cover; then controlling a driving motor to work, pulling out the baffle plate from the blanking pipe, and discharging the copper slag in the screening cylinder into a secondary screening box;
s4, when the copper slag enters the secondary screening box, controlling a high-pressure fan and a water pump to work, further pumping water in a water tank into a spraying plate by using the water pump, spraying the crushed copper slag entering the secondary screening box through spray holes on the lower surface of the spraying plate, and enabling the copper slag entering the secondary screening box to obliquely fall to the bottom of the secondary screening box through a blanking table; the high-pressure air is conveyed into the air plate by utilizing the matching of the high-pressure fan and the air pipe and is discharged through the air outlet holes on the surface of the air plate, so that the copper slag falling into the bottom in the secondary screening box is blown, and the copper slag and the slag ash float; therefore, large granular ash with light weight can float to the upper part of the water surface in the secondary screening box, flows towards the discharge pipe through water, and copper slag with heavy weight can float on the lower part of the water surface and is retained between the two partition plates through the blocking of the partition plates, so that the further separation of the copper slag is realized;
s5, the light large granule lime-ash of quality discharges into in the discharging pipe through rivers, discharges through the discharging pipe, and the heavy then can leave over per two of quality between the baffle, then close high pressure positive blower and water pump, open and get the bin gate, will leave over the copper sediment of the inside bottom of second grade screening case and fish out can.
Compared with the prior art, the invention has the beneficial effects that:
in actual operation, the screening cylinder is matched with the crushing steel balls to crush the copper slag, so that the copper slag is separated from ash; the generated small particle ash can be sucked out of the primary screening bin through the dust suction plate, so that the primary separation of the copper slag and the ash is realized;
copper slag after the initial separation still can carry the lime-ash of large granule, and then the secondary separation through second grade screening case, utilizes gravity difference between them, and the effect of cooperation rivers and gas board blows the lime-ash that gravity is lighter to float the rivers upper strata, along with rivers outflow second grade screening case, and heavier copper slag then can be in rivers lower floor to receive blockking of baffle, can make the copper slag be detained at second grade screening incasement. Therefore, secondary screening treatment of the copper slag is realized.
The design integrates the crushing, absorbing and removing and the water floating separation, so that the operation is simple and convenient, the structure is simple, and the screening efficiency of the copper slag is further improved.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic structural diagram of a copper slag screening device provided by the invention;
FIG. 2 is a schematic view of the installation of a screening drum in the copper slag screening device provided by the invention;
FIG. 3 is a schematic structural diagram of a screening drum in the copper slag screening device provided by the invention;
FIG. 4 is a schematic structural view of a water tank and a spraying plate in the copper slag screening device provided by the invention;
FIG. 5 is a schematic view of the internal structure of a secondary screening box in the copper slag screening device provided by the invention.
Description of the main symbols:
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, in an embodiment of the present invention, a copper slag screening apparatus includes a base 1, and a primary screening bin 3 is disposed at an upper end of the base 1.
A driving motor 2 (adopting a servo motor of LAFERT series) is arranged at the upper end of the base 1 and on the rear side surface of the primary screening bin 3, and an exhaust fan 5 is arranged at the upper end of the base 1 and on one side of the primary screening bin 3. A collecting box 7 is arranged on one side of the exhaust fan 5, and a dust suction plate 6 is correspondingly arranged at the upper end and the lower end of one side surface of the primary screening bin 3.
A feed inlet 14 is arranged on one side of the upper surface of the primary screening bin 3, and an access door 13 is arranged on the other side of the upper surface of the primary screening bin 3. The screening cylinder 31 is arranged in the primary screening bin 3, and the bottom end of the primary screening bin 3 is communicated with the discharging bin 32. The front surface of the primary screening bin 3 is communicated with a discharging pipe 12, and one end of the discharging pipe 12 and the front side of the primary screening bin 3 are connected with a secondary screening box 4.
A spraying plate 11 is arranged on one side of the upper surface of the secondary screening box 4, which is located on the discharging pipe 12, a high-pressure fan 8 is installed at the lower end of one side surface of the secondary screening box 4, and the output end of the high-pressure fan 8 is connected with an air pipe 9. A blanking table 41 is arranged at one side of the inside of the secondary screening box 4 and corresponding to one end of the blanking pipe 12, and a plurality of partition plates 43 are equidistantly distributed at one side of the inside of the secondary screening box 4 and close to the blanking table 41.
Meanwhile, the bottom end of the inside of the secondary screening box 4 is located between two partition plates 43, and air plates 42 are arranged between the partition plates 43 and the blanking table 41, and the heights of the plurality of partition plates 43 are sequentially increased from the blanking table 41 to the inside of the secondary screening box 4. Wherein, a plurality of air outlet holes are distributed on the surface of the air plate 42, and the air plate 42 is of a hollow structure.
One end of the air pipe 9 is communicated with the high pressure fan 8, and the other end of the air pipe 9 penetrates through the secondary screening box 4 and is communicated with the air plate 42. In the present embodiment, the height of the partition plates 43 is designed to be increased in order because the copper slag and ash are floated more backward as they are floated in the water by the blowing of the air plates 42, the less the copper slag and the more the ash are contained, and the lighter the weight is, the higher the floating is, and thus the copper slag contained in the water flow can be intercepted better.
In this embodiment, the input end of the exhaust fan 5 is connected to the dust suction plate 6 via a pipe, and the output end of the exhaust fan 5 is connected to the collection box 7 via a pipe. An air outlet is arranged on one side surface of the collecting box 7, and a filter screen is arranged inside the collecting box 7. Wherein, dust absorption board 6 is hollow structure, and a plurality of dust imports have been distributed to dust absorption board 6's a side to be located the inside in primary screening storehouse 3. Dust absorption board 6 and elementary screening storehouse 3 are through the dust import through connection, utilize the work of air exhauster 5, when conveniently smashing the copper sediment in 3 inside screening barrels 31 in elementary screening storehouse, the lime-ash that produces carries out the suction. In addition, the rotation of the screen cylinder 31 will drive the small ash particles generated by crushing to float, and the dust inlet on one side of the dust suction plate 6 will suck the small ash particles out. Is discharged into the collecting box 7 through a pipeline, thereby being convenient for preliminarily removing small particle ash slag contained in the copper slag. In addition, when the ash is sucked out, part of the ash is not sucked out and falls into the blanking bin 32, so that the ash is conveniently cleaned out through the ash discharging door 16.
A gear ring 34 is mounted on the outer side surface of one end of the screen cylinder 31, and a main gear 36 is engaged with the lower end of the gear ring 34. One end of the main gear 36 is connected with a transmission rod 35, and the other end of the screening drum 31 is provided with a flip 33 on the outer surface. Wherein, the output end of the driving motor 2 is fixed with the transmission rod 35, and one end of the screening drum 31 is in meshed connection with the main gear 36 through the gear ring 34. The other end of the screening cylinder 31 is rotatably connected with the primary screening bin 3 and corresponds to one end of the blanking pipe 12. In actual operation, the control panel 22 controls the driving motor 2 to operate, and the driving motor 2 drives the main gear 36 to rotate through the transmission rod 35, and the main gear 36 drives the screening drum 31 to rotate through the gear ring 34. When the screening cylinder 31 rotates, the crushed steel balls put into the screening cylinder are collided with the copper slag for crushing.
In this embodiment, an air inlet 15 is formed at the upper end of the other side surface of the primary screening chamber 3, and a control panel 22 is installed at one side of the air inlet 15 on the other side surface of the primary screening chamber 3. An ash discharging door 16 is hinged on one side surface of the lower bin 32, and a water tank 20 is arranged on the other side surface of the secondary screening box 4. A water pump 19 is installed in the water tank 20, and a water pipe 21 is inserted through the upper end of the water tank 20.
The upper end of the front side surface of the secondary screening box 4 is communicated with a discharge pipe 18, and a material taking door 10 is hinged to one side of the spraying plate 11 on the upper surface of the secondary screening box 4. Wherein, the output end of the water pump 19 is communicated with the water pipe 21, and the other end of the water pipe 21 is communicated with the spraying plate 11. In this embodiment, the shower plate 11 has a hollow structure inside. A plurality of spray holes are distributed on the lower surface of the spraying plate 11 and inside the secondary screening box 4 corresponding to the blanking table 41, and the blanking table 41 is arranged in an inclined manner.
In practical application, the water pump 19 is used for pumping the water in the water tank 20 into the spraying plate 11, so that the copper slag entering the secondary screening box 4 can be conveniently subjected to primary spraying treatment through the spray holes on the lower surface of the spraying plate 11. Meanwhile, the flow of water in the secondary screening box 4 can be promoted, so that the ash contained in the copper slag can be carried by the flowing of the water flow to float.
It should be noted that the secondary screening box 4 is filled with water, and the height of the water surface is far higher than the height of the highest partition 43. As can be understood, the arrangement is convenient for blowing and floating through the air plate 42 after the copper slag enters the interior of the secondary screening box 4, so that the copper slag and the slag ash can float in water at different heights under the influence of gravity. That is, the lighter slag ash is discharged along with the water flowing to the discharging pipe 18, and the heavier copper slag is lower in the water. And the copper slag is stopped between the two clapboards 43 by the baffle boards 43 and does not flow out of the secondary screening box 4, thereby realizing the further screening and separation of the copper slag.
In this embodiment, a baffle 17 is inserted into the upper surface of the discharging pipe 12, and a slot is formed in the upper surface of the discharging pipe 12 corresponding to the baffle 17. Wherein the size of the baffle 17 is adapted to the size of the slot. One end of the blanking pipe 12 is communicated with the upper surface of the secondary screening box 4, and the other end of the blanking pipe 12 penetrates through the primary screening bin 3 and corresponds to one end of the screening cylinder 31. It can be understood that by designing the baffle 17, when the screening cylinder 31 crushes the copper slag, the copper slag is prevented from flowing into the blanking pipe 12, and the operation is simple and convenient.
The invention also provides a use method of the copper slag screening device, which comprises the following steps:
s1, before use, the access door 13 and the flip 33 are opened, a certain amount of crushed steel balls are placed in the screening cylinder 31, the access door 13 and the flip 33 are closed, then the copper slag is fed into the screening cylinder 31 in the primary screening bin 3 from the feeding hole 14, then the driving motor 2 is controlled to work through the control panel 22, the driving rod 35 is driven to rotate by the driving motor 2, the driving rod 35 drives the gear ring 34 to rotate by the main gear 36, the gear ring 34 drives the screening cylinder 31 to rotate synchronously, and the crushed steel balls are used for rotatably crushing the copper slag in the screening cylinder 31;
s2, simultaneously, the control panel 22 controls the exhaust fan 5 to work, and the exhaust fan 5 is matched with the dust collection plate 6 to suck out slag ash generated when the copper slag in the primary screening bin 3 is crushed and collect the slag ash into the collection box 7, and further, part of the slag ash which is not sucked out falls into the blanking bin 32;
s3, after crushing, closing the exhaust fan 5 and the driving motor 2, opening the access door 13 and the flip cover 33, taking out crushed steel balls in the screening cylinder 31, closing the access door 13 and the flip cover 33, controlling the driving motor 2 to work, pulling out the baffle 17 from the blanking pipe 12, and discharging copper slag in the screening cylinder 31 into the secondary screening box 4;
s4, when the copper slag enters the secondary screening box 4, controlling the high pressure fan 8 and the water pump 19 to work, further utilizing the water pump 19 to pump the water in the water tank 20 into the spraying plate 11, spraying the crushed copper slag entering the secondary screening box 4 through the spray holes on the lower surface of the spraying plate 11, enabling the copper slag entering the secondary screening box 4 to obliquely fall to the bottom of the secondary screening box 4 through the blanking table 41, utilizing the cooperation of the high pressure fan 8 and the air pipe 9 to convey high pressure air into the air plate 42, discharging the high pressure air through the air outlet holes on the surface of the air plate 42, blowing the copper slag falling into the bottom of the secondary screening box 4 to enable the copper slag and the slag ash to float, therefore, large particles with light weight can float to the upper part of the water surface in the secondary screening box 4, flowing to the discharge pipe 18 through the water, enabling the copper slag with heavy weight to float at the lower part of the water surface and be blocked by the partition plate 43, then the copper slag is retained between the two partition plates 43, thereby realizing further separation of the copper slag;
s5, finally, the light-weight large-particle ash slag is discharged into the discharge pipe 18 through water flow and is discharged through the discharge pipe 18, the heavy-weight large-particle ash slag is left between every two partition plates 43, then the high-pressure fan 8 and the water pump 19 are closed, the material taking door 10 is opened, and the copper slag left at the bottom end inside the secondary screening box 4 is fished out.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
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| CN112452454B (en) | 2022-04-19 |
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