CN115569735A - Pretreatment method of concrete processing raw materials - Google Patents
Pretreatment method of concrete processing raw materials Download PDFInfo
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- CN115569735A CN115569735A CN202211254790.7A CN202211254790A CN115569735A CN 115569735 A CN115569735 A CN 115569735A CN 202211254790 A CN202211254790 A CN 202211254790A CN 115569735 A CN115569735 A CN 115569735A
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- fly ash
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- roller
- rod
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- 239000002994 raw material Substances 0.000 title claims abstract description 18
- 238000002203 pretreatment Methods 0.000 title claims abstract description 5
- 239000010881 fly ash Substances 0.000 claims abstract description 89
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052742 iron Inorganic materials 0.000 claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 19
- 239000012212 insulator Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000002923 metal particle Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of pretreatment of concrete processing raw materials, in particular to a pretreatment method of concrete processing raw materials, which adopts a fly ash treatment device comprising treatment rollers, a support frame, a conveyor belt and treatment mechanisms, wherein the front treatment roller and the rear treatment roller are matched with the treatment mechanisms to collect fly ash in a grading manner, the right treatment roller and the treatment mechanisms are matched with each other to carry out secondary collection treatment on iron and compounds in the fly ash, so that the recovery efficiency of the iron and the compounds in the fly ash is ensured, the conveyor belt drives the fly ash to move rightwards in the treatment mechanisms, and then an electrified cylindrical electromagnet can carry out adsorption treatment on the iron and the compounds in the fly ash, wherein an electric slide block is matched with a conductive rod through a Contraband type frame to drive the cylindrical electromagnet to shake in a reciprocating manner, so that the cylindrical electromagnet moving forwards and backwards can fully adsorb the iron and the compounds in the moving fly ash.
Description
Technical Field
The invention relates to the technical field of pretreatment of concrete processing raw materials, in particular to a method for pretreating a concrete processing raw material.
Background
The fly ash is a fine solid particle discharged in the fuel combustion process, and because the fly ash plays an active role in concrete, the gap between cement and sand is reduced, and further the concrete structure density is improved, the fly ash is an important additive in the concrete production process, and because the fly ash contains red iron and magnet particles, the red iron and the magnet particles in the fly ash are collected and pretreated in order to fully utilize the red iron and the magnet in the fly ash and reduce the resource waste.
The technical scheme that fly ash is retrieved in advance is provided among the prior art, for example, the chinese utility model patent of publication number CN113856903A discloses a fly ash recycle device, this patent utilizes the principle that metal particle and fly ash quality are different, metal particle and the carbon particle that has not burnt up can drop on dividing the sieve at first under the action of gravity, the powder that the quality is lighter drops on dividing the sieve at last, divide the sieve inner wall to have magnetism, can adsorb including the metal granule, the event can be to the inside metal particle of fly ash collection processing.
However, the above-mentioned prior art has the following disadvantages: 1. because the falling speed of the metal particles in the falling process of the fly ash is too high, the metal particles can be caused to fall on the sub-sieve plate and bounce, so that the metal particles are not attached to the sub-sieve plate, and then the metal particles fall along with the fly ash, thereby causing incomplete collection of the metal particles in the fly ash.
2. The fly ash has small diameter and light monomer weight, so that fly ash overflows from a feed port due to overlarge dust raising in the falling process, the fly ash floats in the air, and the environment pollution is caused, and meanwhile, the lung health of the fly ash is possibly influenced by the fact that workers suck fly ash particles in the fly ash pretreatment operation process.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme: a coal ash treatment device is adopted in the concrete processing raw material pretreatment method and comprises treatment rollers which are symmetrically distributed left and right, support frames are arranged on the front side and the rear side of each treatment roller through bearings, treatment mechanisms are arranged on the two treatment rollers, and a conveying belt is arranged between the front support frame and the rear support frame and below the two treatment rollers.
The processing mechanism comprises a plurality of processing grooves which are uniformly arranged on the circumferential surface of the processing roller in the circumferential direction, and a magnetic unit is arranged in each processing groove.
The inner part of the treatment groove is provided with a push plate in a sliding manner, the push plate is in sliding fit with a cylindrical electromagnet in the same treatment groove, the front side and the rear side of each conducting rod are provided with insulating blocks, a reset spring rod is arranged between each insulating block and the push plate in the same treatment groove, the front side and the rear side of each push plate are provided with linkage rods, the front side and the rear side of each treatment roller are provided with arc-shaped plates matched with the linkage rods, and a support rod is fixedly arranged between each arc-shaped plate and an adjacent support frame;
the fly ash treatment device comprises the following steps in the fly ash treatment process: the first step, electrifying treatment: the arc-shaped conductive block is electrically connected with the anode and the cathode of the power supply, and the arc-shaped conductive block is matched with the conductive rod at the moment, so that the cylindrical electromagnet at the lowest part is electrified.
Step two, conveying treatment: the fly ash to be treated is placed on the left side of the conveying belt, and the conveying belt conveys the fly ash to the right through the existing conveying equipment.
Step three, adsorption treatment: when the fly ash passes through the cylindrical electromagnet in the moving process, the cylindrical electromagnet can adsorb iron and compounds thereof in the fly ash.
Step four, collecting and processing: the fly ash continues to move rightwards after being adsorbed by the cylindrical electromagnet, and finally the fly ash is collected and treated by the existing collecting equipment.
Preferably, the unit is inhaled to magnetism is including setting up the conducting rod in the inside of treatment trough, and the treatment trough is inside evenly to be provided with a plurality of cylindricality electro-magnets along handling roller axis direction, and the cylindricality electro-magnet is connected with the conducting rod electricity, and two front and back support frame opposite faces are provided with the insulator spindle, install on the insulator spindle with below conducting rod sliding fit's arc conducting block.
Preferably, the conducting rod is arranged in the processing tank in a sliding mode along the front-back direction, a reciprocating rack is arranged between the front supporting frame and the rear supporting frame, an electric sliding block is arranged on the reciprocating rack, and a Contraband type rack matched with the conducting rod at the lowest side is arranged on the upper end face of the electric sliding block.
Preferably, the conveyer belt top be provided with the baffle of Contraband type structure, through supporting connecting rod fixed connection between baffle and the support frame, the groove of stepping down to the columnar electromagnet is seted up to baffle horizontal segment up end, baffle horizontal segment up end just is located and sets up the reciprocal logical groove that moves towards from beginning to end between the Contraband type frame horizontal segment.
Preferably, two vertical sections of baffle just be located and install the axis of rotation through the bearing between two processing rollers, the axis of rotation just is located the inside partial circumference of baffle and evenly is provided with a plurality of turning plates, a plurality of trace are evenly installed to both sides circumference around the axis of rotation periphery, both sides are evenly provided with a plurality of actuating levers with trace matched with from left to right around the conveyer belt.
Preferably, the left and right supporting frames are provided with a collecting frame, and the upper end surfaces of the front and the rear collecting frames are provided with collecting frames in a sliding mode.
Preferably, the circumference of one side that the processing roller is connected with the support frame evenly seted up with the spacing hole that the processing groove corresponds, one side that the processing roller was kept away from to the support frame is provided with spacing arch, slide joint has the gag lever post with spacing hole matched with on the spacing arch.
Preferably, baffle horizontal segment under the terminal surface and be located the left side of the groove of stepping down and install the downward strike-off board of slope from left to right, strike-off board can scrape the fly ash on the conveyer belt and strike off, avoid fly ash thickness to lead to fly ash thick department to touch mutually with the treatment roller lower extreme, improve the iron of cylindricality electro-magnet to its inside and compound adsorption effect.
Preferably, the left end faces of the two vertical sections of the Contraband type frame are provided with guide inclined planes, when the conducting rod enters the Contraband type frame, the guide inclined planes can guide the conducting rod, rigid collision between the conducting rod and the two vertical sections of the Contraband type frame is avoided, and the surface integrity of the conducting rod is improved.
The invention has the beneficial effects that: 1. the invention designs a front treatment roller and a rear treatment roller which are matched with a treatment mechanism to collect fly ash in a grading way, the right treatment roller is matched with the treatment mechanism to collect and treat iron and compounds in the fly ash for the second time, so that the recovery efficiency of the iron and the compounds in the fly ash is ensured, in the treatment mechanism, a conveying belt drives the fly ash to move from left to right, and then an electrified cylindrical electromagnet can adsorb and treat the iron and the compounds in the fly ash, wherein an electric slide block drives a Contraband model frame to shake back and forth in a reciprocating way, and then a Contraband model frame drives a cylindrical electromagnet to shake back and forth through a conducting rod, so that the cylindrical electromagnet which reciprocates back and forth can fully adsorb the iron and the compounds in the fly ash in moving.
2. Compared with the traditional mode of dumping the fly ash, the mode of conveying the fly ash by the conveying belt designed by the invention is more stable, so that the generation of fly ash in the fly ash is reduced, the pollution of the fly ash to the environment is reduced, the baffle can be used for blocking the fly ash generated in the process of moving the columnar electromagnet back and forth, and the overflow of the fly ash is effectively reduced.
3. The rotating shaft designed by the invention can drive the turning plate to rotate circumferentially, so that the turning plate can turn the fly ash, the inside of the turned fly ash is disordered again, and the turned fly ash is secondarily adsorbed by the cylindrical electromagnet on the right treatment roller, so that the iron and the compounds in the fly ash can be fully adsorbed, and the waste of iron resources caused by incomplete adsorption of the iron and the compounds in the fly ash is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the pretreatment process of concrete processing raw materials according to the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a partial enlarged view of fig. 2 a of the present invention.
FIG. 4 is a schematic perspective view of the installation of the processing roller and the processing mechanism of the present invention.
FIG. 5 is a schematic perspective view of a portion of the processing mechanism of FIG. 4 in accordance with the present invention.
Fig. 6 is a front view of the present invention.
Fig. 7 is a schematic perspective view of the installation of the conveyor belt and the baffle plate of the present invention.
Fig. 8 is a partial enlarged view of the invention at B of fig. 7.
Fig. 9 is a schematic view of a three-dimensional structure installed between the rotating shaft, the flipping board and the linkage rod according to the present invention.
Fig. 10 is a schematic view (from front to back) of the internal structure of fig. 7 of the present invention.
Fig. 11 is a left side view of fig. 6 of the present invention.
Fig. 12 is a schematic view of a portion of the structure of fig. 11 in accordance with the present invention.
Fig. 13 is an enlarged view of a portion of the invention at C of fig. 12.
FIG. 14 is a schematic perspective view of a Contraband fixture of the present invention.
In the figure: 1. a processing roller; 11. a treatment tank; 12. a limiting hole; 13. a limiting bulge; 14. a limiting rod; 2. a support frame; 21. a reciprocating frame; 22. an electric slider; 23. contraband jig; 24. a collecting rack; 25. a collection frame; 3. a processing mechanism; 3a, a magnetic unit; 31. a conductive rod; 32. a cylindrical electromagnet; 33. an insulating rod; 34. an arc-shaped conductive block; 35. pushing the plate; 36. an insulating block; 37. a return spring lever; 38. a linkage rod; 39. an arc-shaped plate; 30. a support bar; 4. a conveyor belt; 41. a baffle plate; 411. scraping the plate; 42. a support link; 43. a yielding groove; 44. a reciprocating through groove; 45. a rotating shaft; 46. turning over the board; 47. a linkage rod; 48. a drive rod.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 2, 6 and 11, a method for pretreating a concrete processing raw material adopts a fly ash treatment device, the fly ash treatment device comprises treatment rollers 1 which are symmetrically distributed in a left-right manner, support frames 2 are arranged on the front side and the rear side of each treatment roller 1 through bearings, treatment mechanisms 3 are arranged on the two treatment rollers 1, and a conveyor belt 4 is arranged between the front support frame and the rear support frame 2 and below the two treatment rollers 1.
Referring to fig. 3, 4 and 5, the processing mechanism 3 includes a plurality of processing grooves 11 uniformly arranged on the circumferential surface of the processing roller 1 in the circumferential direction, and a magnetic unit 3a is arranged in the processing grooves 11;
the magnetic attraction unit 3a comprises a conductive rod 31 arranged in a processing groove (11), a plurality of cylindrical electromagnets 32 are uniformly arranged in the processing groove 11 along the axial direction of the processing roller 1, the cylindrical electromagnets 32 are electrically connected with the conductive rod 31, insulating rods 33 are arranged on opposite surfaces of the front and rear support frames 2, and arc-shaped conductive blocks 34 in sliding fit with the conductive rod 31 at the lowest part are arranged on the insulating rods 33;
the inside push pedal 35 that slides of treatment tank 11, and push pedal 35 and the inside cylindricality electro-magnet 32 sliding fit of same treatment tank 11, both sides all are provided with insulating block 36 around the conducting rod 31, and install reset spring pole 37 between insulating block 36 and the inside push pedal 35 of same treatment tank 11, gangbar 38 is installed to both sides around push pedal 35, both sides all are provided with arc 39 with gangbar 38 matched with around two treatment roll 1, fixed mounting has bracing piece 30 between arc 39 and its adjacent support frame 2.
Referring to fig. 12, the conductive rod 31 is slidably disposed in the processing tank 11 along the front-back direction, a reciprocating frame 21 is disposed between the front and back support frames 2, an electric slider 22 is disposed on the reciprocating frame 21, and a Contraband type frame 23 is disposed on the upper end surface of the electric slider 22 and is matched with the conductive rod 31 at the lowest side.
Referring to fig. 14, the left end faces of the two vertical sections of the Contraband type frame 23 are both provided with a guide inclined plane, when the conducting rod 31 enters the Contraband type frame 23, the guide inclined planes can guide the conducting rod 31, so that the conducting rod 31 is prevented from rigidly colliding with the two vertical sections of the Contraband type frame 23, and the integrity of the surface of the conducting rod 31 is improved.
Referring to fig. 2 and 7, a baffle 41 of Contraband type structure is arranged above the conveyor belt 4, the baffle 41 is fixedly connected with the support frame 2 through a support connecting rod 42, an abdicating groove 43 abdicating the cylindrical electromagnet 32 is formed in the upper end face of the horizontal section of the baffle 41, and a reciprocating through groove 44 extending back and forth is formed in the upper end face of the horizontal section of the baffle 41 and between the horizontal sections of the Contraband type frame 23.
Referring to fig. 10, the scraping plate 411 which inclines downwards from left to right is installed on the lower end face of the horizontal section of the baffle 41 and on the left side of the abdicating groove 43, and the scraping plate 411 can scrape the fly ash on the conveyer belt 4, so that the situation that the thick part of the fly ash touches the lower end of the treating roller 1 due to different fly ash thicknesses is avoided, and the adsorption effect of the columnar electromagnet 32 on iron and compounds therein is improved.
Referring to fig. 7, 8, 9, 10 and 13, a rotating shaft 45 is installed between two vertical sections of the baffle 41 and the two processing rollers 1 through a bearing, a plurality of turning plates 46 are evenly circumferentially installed on the rotating shaft 45 and the part inside the baffle 41, a plurality of linkage rods 47 are evenly circumferentially installed on the front and rear sides of the circumferential surface of the rotating shaft 45, and a plurality of driving rods 48 matched with the linkage rods 47 are evenly arranged on the front and rear sides of the conveyor belt 4 from left to right.
Referring to fig. 4 and 6, a limit hole 12 corresponding to the processing groove 11 is uniformly formed in the circumferential direction of one side of the processing roller 1 connected to the support frame 2, a limit protrusion 13 is disposed on one side of the support frame 2 away from the processing roller 1, and a limit rod 14 matched with the limit hole 12 is slidably clamped on the limit protrusion 13.
Referring to fig. 2, a collecting frame 24 is installed between the left and right supporting frames 2, and a collecting frame 25 is installed on the upper end face of the front and rear collecting frames 24 in a sliding manner.
During the specific work, the support frame 2 is fixed with the ground, the arc-shaped conductive block 34 is electrically connected with the positive electrode and the negative electrode of a power supply, at the moment, the arc-shaped conductive block 34 is matched with the conductive rod 31 to electrify the cylindrical electromagnet 32 at the bottom, the fly ash to be treated is placed on the left side of the conveyor belt 4, the conveyor belt 4 conveys the fly ash rightwards through the existing conveying equipment, when the fly ash passes through the cylindrical electromagnet 32 corresponding to the left treatment roller 1, the cylindrical electromagnet 32 can adsorb iron and compounds in the fly ash, at the moment, the electric sliding block 22 is synchronously started, the electric sliding block 22 drives the conductive rod 31 to reciprocate back and forth through the Contraband type frame 23 in the reciprocating movement process, the conductive rod 31 drives the cylindrical electromagnet 32 to reciprocate back and forth, so that the cylindrical electromagnet 32 can adsorb the fly ash between the adjacent cylindrical electromagnets 32, and the cylindrical electromagnet 32 is driven to fully recover the iron and the compounds in the fly ash.
At the moment, the fly ash continues to move rightwards, the driving rod 48 is synchronously driven to move in the process of moving from left to right in a conveying mode, the driving rod 48 is in mutual contact with the linkage rod 47 in the moving process, the linkage rod 47 drives the rotating shaft 45 to rotate, the rotating shaft 45 can drive the turning plate 46 to rotate circumferentially in the rotating process, the turning plate 46 can turn the fly ash, the interior of the turned fly ash is disordered again, the turned fly ash is secondarily adsorbed by the cylindrical electromagnet 32 on the right treatment roller 1, the fact that iron and compounds in the fly ash can be fully adsorbed is guaranteed, and waste of iron resources caused by incomplete adsorption of the iron and the compounds in the fly ash is avoided.
When the fly ash passes through the cylindrical electromagnet 32 corresponding to the right treatment roller 1, the actions are repeated, so that iron and compounds in the fly ash can be subjected to secondary adsorption treatment, when the surface of the cylindrical electromagnet 32 is fully adsorbed with iron and compounds, the limiting rod 14 is taken down, the treatment roller 1 is rotated, the linkage rod 38 is driven to move around the arc-shaped plate 39 in the rotation process of the treatment roller 1, the linkage rod 38 drives the push plate 35 to move along the treatment groove 11 in the movement process of the arc-shaped plate 39, so that the push plate 35 can push the iron and the compounds on the cylindrical electromagnet 32 to one end of the cylindrical electromagnet 32 away from the treatment roller 1, when the treatment roller 1 rotates by 45 degrees, the collection frame 25 is pushed to be close to the treatment roller 1, the treatment roller 1 continues to rotate, the push plate 35 continues to push the iron and the compounds on the cylindrical electromagnet 32 to move, when the conductive rod 31 is separated from the arc-shaped conductive block 34, the power of the cylindrical electromagnet 32 is cut off, the iron and the compounds on the cylindrical electromagnet 32 are separated from the cylindrical electromagnet 32 and fall into the collection frame 25, the push plate 35 reaches the maximum displacement, the treatment roller 1 continues to rotate, the reset rod 37 contracts to pass through the insulating block 36, the reset rod 35, so that the iron and the limiting rod 13 and the iron and the limiting rod can be subjected to the recovery treatment.
Referring to fig. 1, the fly ash treatment process using the fly ash treatment device includes the following steps:
the first step, electrifying treatment: fixing the support frame 2 with the ground, and then electrically connecting the arc-shaped conductive block 34 with the anode and the cathode of the power supply, wherein the arc-shaped conductive block 34 is mutually matched with the conductive rod 31 to electrify the cylindrical electromagnet 32 at the lowest part;
step two, conveying treatment: then the fly ash to be treated is placed on the left side of the conveyer belt 4, and the conveyer belt 4 conveys the fly ash to the right through the existing conveying equipment;
step three, adsorption treatment: when the fly ash passes through the cylindrical electromagnet 32 corresponding to the left treatment roller 1, the cylindrical electromagnet 32 can adsorb iron and compounds thereof in the fly ash, at the moment, the electric slider 22 is synchronously started, the electric slider 22 drives the conductive rod 31 to reciprocate back and forth through the Contraband model frame 23 in the reciprocating movement process, and then the conductive rod 31 drives the cylindrical electromagnet 32 to reciprocate back and forth, so that the cylindrical electromagnet 32 can adsorb the fly ash between the adjacent cylindrical electromagnets 32;
step four, collecting and processing: when the surface of the cylindrical electromagnet 32 is fully adsorbed with iron and compounds thereof, the limiting rod 14 is taken down, the processing roller 1 is rotated, the linkage rod 38 is driven to move around the arc-shaped plate 39 in the rotation process of the processing roller 1, and then the linkage rod 38 drives the push plate 35 to move along the processing groove 11 in the movement process of the arc-shaped plate 39, so that the push plate 35 can push the iron and the compounds thereof on the cylindrical electromagnet 32 to one end of the cylindrical electromagnet 32 away from the processing roller 1, when the processing roller 1 rotates for 45 degrees, the collecting frame 25 is pushed to be close to the processing roller 1, at the moment, the processing roller 1 continues to rotate, at the moment, the push plate 35 continues to push the iron and the compounds thereof on the cylindrical electromagnet 32 to move, when the conductive rod 31 is separated from the arc-shaped conductive block 34, the cylindrical electromagnet 32 is powered off, the iron and the compounds thereof on the cylindrical electromagnet 32 are separated from the cylindrical electromagnet 32 and fall into the collecting frame 25, at the moment, the push plate 35 reaches the maximum displacement, the processing roller 1 continues to rotate, the reset spring rod 37 contracts to drive the push plate 35 to reset to the initial position through the insulating block 36, and the collection of the iron and the compounds thereof is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A concrete processing raw material pretreatment method adopts a fly ash treatment device, the fly ash treatment device comprises treatment rollers (1) which are symmetrically distributed, and the method is characterized in that: the front side and the rear side of each processing roller (1) are provided with supporting frames (2) through bearings, the two processing rollers (1) are provided with processing mechanisms (3), and a conveying belt (4) is arranged between the front supporting frame and the rear supporting frame (2) and below the two processing rollers (1); wherein:
the processing mechanism (3) comprises a plurality of processing grooves (11) which are uniformly arranged on the circumferential surface of the processing roller (1) in the circumferential direction, and magnetic units (3 a) are arranged in the processing grooves (11);
a push plate (35) is arranged in the treatment tank (11) in a sliding manner, the push plate (35) is in sliding fit with a cylindrical electromagnet (32) in the same treatment tank (11), insulating blocks (36) are arranged on the front side and the rear side of a conductive rod (31), a reset spring rod (37) is arranged between each insulating block (36) and the push plate (35) in the same treatment tank (11), linkage rods (38) are arranged on the front side and the rear side of each push plate (35), arc-shaped plates (39) matched with the linkage rods (38) are arranged on the front side and the rear side of each treatment roller (1), and a support rod (30) is fixedly arranged between each arc-shaped plate (39) and the adjacent support frame (2);
the fly ash treatment device comprises the following steps in the fly ash treatment process:
the first step, electrifying treatment: the magnetic attraction unit (3 a) is electrically connected with the positive electrode and the negative electrode of the power supply;
step two, conveying treatment: conveying the fly ash to be treated rightwards through a conveying belt (4);
step three, adsorption treatment: the iron and the compound in the fly ash are adsorbed by a cylindrical electromagnet (32) in the moving process of the fly ash;
step four, collecting and processing: the fly ash is adsorbed by a cylindrical electromagnet (32) and then is collected and treated by the existing collecting equipment.
2. The method for pretreating a concrete processing raw material according to claim 1, wherein: magnetic unit (3 a) is including setting up conducting rod (31) inside processing tank (11), and processing tank (11) are inside evenly is provided with a plurality of cylindricality electro-magnets (32) along processing roller (1) axis direction, and cylindricality electro-magnet (32) are connected with conducting rod (31) electricity, and two support frame (2) opposite faces are provided with insulator spindle (33) around, install on insulator spindle (33) with conducting rod (31) sliding fit's arc conducting block (34) below.
3. The method for pretreating a concrete processing raw material according to claim 2, wherein: the conducting rod (31) is arranged in the processing tank (11) in a sliding mode along the front-back direction, a reciprocating rack (21) is arranged between the front supporting frame and the rear supporting frame (2), an electric sliding block (22) is arranged on the reciprocating rack (21), and a Contraband type rack (23) matched with the conducting rod (31) on the lowest side is arranged on the upper end face of the electric sliding block (22).
4. The method for pretreating a concrete processing raw material according to claim 1, wherein: conveyer belt (4) top be provided with baffle (41) of Contraband type structure, through supporting connecting rod (42) fixed connection between baffle (41) and support frame (2), baffle (41) horizontal segment up end sets up the groove of stepping down (43) of stepping down to columnar electromagnet (32), baffle (41) horizontal segment up end just is located and sets up reciprocal logical groove (44) that move towards from beginning to end between Contraband type frame (23) horizontal segment.
5. The method for pretreating a concrete processing raw material according to claim 4, wherein the method comprises the following steps: two vertical sections of baffle (41) just be located and install axis of rotation (45) through the bearing between two processing roller (1), axis of rotation (45) just are located the inside partial circumference of baffle (41) and evenly are provided with a plurality of turning plate (46), a plurality of trace (47) are evenly installed to both sides circumference around axis of rotation (45) periphery, both sides are evenly provided with a plurality of actuating levers (48) with trace (47) matched with from the left hand right hand side around conveyer belt (4).
6. The method for pretreating a concrete processing raw material according to claim 1, wherein: the processing roller (1) and one side circumference that support frame (2) are connected evenly set up with processing groove (11) corresponding spacing hole (12), one side that processing roller (1) was kept away from in support frame (2) is provided with spacing arch (13), slide joint has spacing pole (14) with spacing hole (12) matched with on spacing arch (13).
7. The method for pretreating a concrete processing raw material according to claim 1, wherein: the left and right supporting frames (2) are provided with a collecting frame (24) between, and the upper end surfaces of the front and the rear collecting frames (24) are provided with a collecting frame (25) in a sliding mode.
8. The method for pretreating a concrete processing raw material according to claim 4, wherein: baffle (41) horizontal segment under the terminal surface and be located the left side of groove (43) of stepping down and install dull and stereotyped (411) of scraping from left right slope.
9. The method for pretreating a concrete processing raw material according to claim 3, wherein: the left end faces of the two vertical sections of the Contraband model frame (23) are provided with guide inclined planes.
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