CN115569735B - Pretreatment method for concrete processing raw materials - Google Patents
Pretreatment method for concrete processing raw materials Download PDFInfo
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- CN115569735B CN115569735B CN202211254790.7A CN202211254790A CN115569735B CN 115569735 B CN115569735 B CN 115569735B CN 202211254790 A CN202211254790 A CN 202211254790A CN 115569735 B CN115569735 B CN 115569735B
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- treatment
- fly ash
- frame
- rod
- roller
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- 239000002994 raw material Substances 0.000 title claims abstract description 13
- 238000002203 pretreatment Methods 0.000 title claims abstract description 6
- 239000010881 fly ash Substances 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- 229910052742 iron Inorganic materials 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 19
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000010883 coal ash Substances 0.000 description 10
- 239000002923 metal particle Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910052595 hematite Inorganic materials 0.000 description 3
- 239000011019 hematite Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling 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
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel 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
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model 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 a treatment roller, a support frame, a conveying belt and a treatment mechanism.
Description
Technical Field
The utility model relates to the technical field of pretreatment of concrete processing raw materials, in particular to a pretreatment method of concrete processing raw materials.
Background
Fly ash is a fine solid particulate matter discharged in the fuel combustion process, and because the fly ash plays an active role in concrete, gaps between cement and sand become small, and further, the density of a concrete structure is improved, so the fly ash is an important additive in the concrete production process, and because the fly ash contains hematite and magnet particles, in order to fully utilize the hematite and the magnet in the fly ash, the resource waste is reduced, and the hematite and the magnet particles in the fly ash are collected and pretreated.
In the prior art, a technical scheme of pre-recycling the fly ash is provided, for example, a fly ash recycling device disclosed in Chinese patent publication No. CN113856903A is disclosed, the principle that metal particles and fly ash are different in mass is utilized in the patent, the metal particles and the carbon particles which are not burnt can firstly fall on a sub-sieve plate under the action of gravity, the powder with lighter mass finally falls on the sub-sieve plate, the inner wall of the sub-sieve plate is magnetic, and metal particles can be adsorbed, so that the metal particles in the fly ash can be collected.
However, the prior art described above has the following disadvantages: 1. the falling speed of the metal particles in the falling process of the coal ash is too high, so that the metal particles can be bounced after falling on the sub-sieve plate, and the metal particles are not attached to the sub-sieve plate, so that the metal particles fall along with the coal ash, and the collection of the metal particles in the coal ash is incomplete.
2. The fly ash has small diameter and light monomer mass, so that the fly ash is excessively large in dust emission in the falling process, so that the fly ash overflows from a feed inlet, the fly ash floats in the air, the environment is polluted, and workers in the fly ash pretreatment operation process inhale fly ash particles to possibly influence the lung health of the workers.
Disclosure of Invention
In order to solve the problems, the utility model adopts the following technical scheme: the pretreatment method of the concrete processing raw material adopts a fly ash treatment device, the fly ash treatment device comprises treatment rollers which are distributed in a bilateral symmetry manner, the front side and the rear side of each treatment roller are provided with supporting frames through bearings, the two treatment rollers are provided with treatment mechanisms, and a conveying belt is arranged between the front supporting frame and the rear supporting frame and below the two treatment rollers.
The processing mechanism comprises a plurality of processing grooves which are circumferentially and uniformly formed in the circumferential surface of the processing roller, and a magnetic unit is arranged in each processing groove.
The inside of the treatment tank 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 tank, the front side and the rear side of the conducting rod are provided with insulating blocks, a reset spring rod is arranged between the insulating blocks and the push plate in the same treatment tank, the front side and the rear side of the push plate are provided with linkage rods, the front side and the rear side of the two treatment rollers are provided with arc plates matched with the linkage rods, and a supporting rod is fixedly arranged between each arc plate and a supporting frame adjacent to each arc plate;
the fly ash treatment device comprises the following steps in the fly ash treatment process: first, electrifying: the arc-shaped conductive block is electrically connected with the positive electrode and the negative electrode of the power supply, and the arc-shaped conductive block and the conductive rod are matched with each other at the moment so that the cylindrical electromagnet at the lowest position is electrified.
Step two, conveying treatment: and placing the fly ash to be treated on the left side of a conveying belt, and conveying the fly ash to the right by the conveying belt through the existing conveying equipment.
Third step, 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.
Fourth step, 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 magnetic unit comprises a conductive rod arranged in the treatment tank, a plurality of cylindrical electromagnets are uniformly arranged in the treatment tank along the axial direction of the treatment roller, the cylindrical electromagnets are electrically connected with the conductive rod, insulating rods are arranged on the opposite faces of the front support frame and the rear support frame, and arc-shaped conductive blocks which are in sliding fit with the lowermost conductive rods are arranged on the insulating rods.
Preferably, the conducting rod is arranged inside the treatment tank in a sliding way along the front and back direction, a reciprocating frame is arranged between the front supporting frame and the back supporting frame, an electric sliding block is arranged on the reciprocating frame, and a type frame matched with the conducting rod at the lowest side is arranged on the upper end face of the electric sliding block.
Preferably, a baffle with a type structure is arranged above the conveying belt, the baffle is fixedly connected with the supporting frame through a supporting connecting rod, a yielding groove for yielding the cylindrical electromagnet is formed in the upper end face of the horizontal section of the baffle, and a reciprocating through groove running forwards and backwards is formed in the upper end face of the horizontal section of the baffle and between the horizontal sections of the type frame.
Preferably, a rotating shaft is arranged between the two vertical sections of the baffle and the two processing rollers through bearings, a plurality of turning plates are uniformly arranged on the rotating shaft in the circumferential direction of the part inside the baffle, a plurality of linkage rods are uniformly arranged on the circumferential direction of the front side and the rear side of the rotating shaft, and a plurality of driving rods matched with the linkage rods are uniformly arranged on the front side and the rear side of the conveying belt from left to right.
Preferably, a collecting frame is mounted between the left supporting frame and the right supporting frame, and the upper end faces of the front collecting frame and the rear collecting frame are provided with collecting frames in a sliding mode.
Preferably, a limiting hole corresponding to the processing groove is uniformly formed in the circumferential direction of one side, connected with the supporting frame, of the processing roller, a limiting protrusion is arranged on one side, far away from the processing roller, of the supporting frame, and a limiting rod matched with the limiting hole is connected to the limiting protrusion in a sliding clamping mode.
Preferably, the left side of baffle horizontal segment lower terminal surface and lie in the groove of stepping down install from left to right downward sloping strickle, strickle can carry out strickle by the fly ash on the conveyer belt, avoid the fly ash thickness to be different to lead to the thick department of fly ash to touch with the handling roller lower extreme mutually, improve the cylindricality electro-magnet to its inside iron and its compound adsorption efficiency.
Preferably, the left end surfaces of the two vertical sections of the type frame are provided with guide inclined planes, when the conducting rod enters the type frame, the guide inclined planes can guide the conducting rod, rigid collision between the conducting rod and the two vertical sections of the type frame is avoided, and the integrity of the surface of the conducting rod is improved.
The utility model has the beneficial effects that: 1. the front and back treatment rollers and the treatment mechanism are matched with each other to collect the fly ash in a grading manner, the right treatment roller and the treatment mechanism are matched with each other to perform secondary collection treatment on iron and compounds in the fly ash, and recovery efficiency of the iron and the compounds in the fly ash is guaranteed.
2. Compared with the traditional fly ash dumping mode, the fly ash conveying mode of the conveyor belt is more stable, so that the generation of flying dust in the fly ash is reduced, and the pollution of the fly ash to the environment is reduced, wherein the baffle can separate the flying dust of the fly ash generated in the forward and backward moving process of the cylindrical electromagnet, and the overflow of the flying dust of the fly ash is effectively reduced.
3. The rotating shaft designed by the utility model can drive the turning plate to circumferentially rotate, so that the turning plate can turn the fly ash, the turned fly ash is internally re-disordered, the turned fly ash is secondarily adsorbed by the cylindrical electromagnet on the right processing roller, further, the full adsorption of iron and compounds in the fly ash can be ensured, and the waste of iron resources caused by incomplete adsorption of iron and compounds in the fly ash is avoided.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a flow chart of a pretreatment process of concrete processing raw materials.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is an enlarged view of a portion of fig. 2 a of the present utility model.
FIG. 4 is a schematic view of the installation of the processing roller and the processing mechanism of the present utility model.
Fig. 5 is a schematic perspective view of a portion of the processing mechanism of fig. 4 in accordance with the present utility model.
Fig. 6 is a front view of the present utility model.
Fig. 7 is a schematic view of a conveyor belt and baffle installation perspective.
Fig. 8 is an enlarged view of a portion of the utility model at B of fig. 7.
Fig. 9 is a schematic view of the installation structure among the rotating shaft, the turning plate and the linkage rod.
Fig. 10 is a schematic view (from the front to the rear) of the internal structure of fig. 7 according to the present utility model.
Fig. 11 is a left side view of fig. 6 in accordance with the present utility model.
Fig. 12 is a schematic view of a portion of the structure of fig. 11 in accordance with the present utility model.
Fig. 13 is an enlarged view of a portion of fig. 12C in accordance with the present utility model.
Fig. 14 is a schematic view showing the three-dimensional structure of a type rack of the present utility model.
In the figure: 1. a treatment roller; 11. a treatment tank; 12. a limiting hole; 13. a limit protrusion; 14. a limit rod; 2. a support frame; 21. a reciprocating frame; 22. an electric slide block; 23. type rack; 24. a collection rack; 25. a collection frame; 3. a processing mechanism; 3a, a magnetic attraction unit; 31. a conductive rod; 32. a cylindrical electromagnet; 33. an insulating rod; 34. arc conductive block; 35. a push plate; 36. an insulating block; 37. a reset spring lever; 38. a linkage rod; 39. an arc-shaped plate; 30. a support rod; 4. a conveyor belt; 41. a baffle; 411. a scraping plate; 42. a support link; 43. a relief groove; 44. a reciprocating through groove; 45. a rotating shaft; 46. turning over the plate; 47. a linkage rod; 48. and a driving rod.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 2, 6 and 11, a method for pretreating concrete processing raw materials adopts a fly ash treatment device, the fly ash treatment device comprises treatment rollers 1 which are distributed symmetrically left and right, support frames 2 are arranged on the front side and the rear side of the treatment rollers 1 through bearings, treatment mechanisms 3 are arranged on the two treatment rollers 1, and a conveying belt 4 is arranged between the front support frame 2 and the rear support frame 2 and below the two treatment rollers 1.
Referring to fig. 3, 4 and 5, the treatment mechanism 3 includes a plurality of treatment grooves 11 circumferentially and uniformly formed on the circumferential surface of the treatment roller 1, and a magnetic unit 3a is disposed inside the treatment grooves 11;
the magnetic unit 3a comprises a conductive rod 31 arranged in the treatment tank (11), a plurality of cylindrical electromagnets 32 are uniformly arranged in the treatment tank 11 along the axial direction of the treatment roller 1, the cylindrical electromagnets 32 are electrically connected with the conductive rod 31, insulating rods 33 are arranged on the opposite surfaces of the front support frame 2 and the rear support frame 2, and arc-shaped conductive blocks 34 which are in sliding fit with the lowermost conductive rod 31 are arranged on the insulating rods 33;
the inside slip of processing groove 11 be provided with push pedal 35, and push pedal 35 and the inside cylindricality electro-magnet 32 sliding fit of same processing groove 11, both sides all are provided with insulating piece 36 around conducting rod 31, and install reset spring rod 37 between insulating piece 36 and the inside push pedal 35 of same processing groove 11, both sides are installed around push pedal 35 link 38, both sides all are provided with arc 39 with link 38 matched with around two processing rollers 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 treatment tank 11 along the front-rear direction, a reciprocating frame 21 is mounted between the front and rear support frames 2, an electric slider 22 is disposed on the reciprocating frame 21, and a -type frame 23 matched with the lowest conductive rod 31 is mounted on the upper end surface of the electric slider 22.
Referring to fig. 14, the left end surfaces of two vertical sections of the type frame 23 are provided with guiding inclined planes, when the conductive rod 31 enters the type frame 23, the guiding inclined planes can guide the conductive rod 31, so that rigid collision between the conductive rod 31 and the two vertical sections of the type frame 23 is avoided, and the surface integrity of the conductive rod 31 is improved.
Referring to fig. 2 and 7, a baffle 41 with a 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, a yielding groove 43 for yielding the cylindrical electromagnet 32 is formed in the upper end surface of the horizontal section of the baffle 41, and a reciprocating through groove 44 which runs forward and backward is formed in the upper end surface of the horizontal section of the baffle 41 and between the horizontal sections of the type frame 23.
Referring to fig. 10, a scraping plate 411 inclined downwards from left to right is mounted on the left side of the yielding groove 43 and positioned on the lower end surface of the horizontal section of the baffle 41, the scraping plate 411 can scrape the fly ash on the conveyor belt 4, the phenomenon that the thicker part of the fly ash is touched with the lower end of the treatment roller 1 due to the fact that the thickness of the fly ash is different is avoided, and the adsorption effect of the columnar electromagnet 32 on iron and compounds in the columnar electromagnet is improved.
Referring to fig. 7, 8, 9, 10 and 13, a rotating shaft 45 is mounted between the two processing rollers 1 through bearings on two vertical sections of the baffle 41, a plurality of turning plates 46 are uniformly arranged on the rotating shaft 45 along the circumference of the part inside the baffle 41, a plurality of linkage rods 47 are uniformly mounted on the front and rear sides of the circumference of the rotating shaft 45 along the circumference, and a plurality of driving rods 48 matched with the linkage rods 47 are uniformly arranged on the front and rear sides of the conveying belt 4 from left to right.
Referring to fig. 4 and 6, a side of the processing roller 1 connected with the supporting frame 2 is provided with a limiting hole 12 corresponding to the processing groove 11 in a circumferential direction, a side of the supporting frame 2 away from the processing roller 1 is provided with a limiting protrusion 13, and the limiting protrusion 13 is connected with a limiting rod 14 matched with the limiting hole 12 in a sliding manner.
Referring to fig. 2, a collecting frame 24 is mounted between the left and right supporting frames 2, and a collecting frame 25 is slidably disposed on the upper end surfaces of the front and rear collecting frames 24.
During concrete work, the support frame 2 is fixed with the ground, the arc-shaped conducting block 34 is electrically connected with the positive electrode and the negative electrode of the power supply, at the moment, the arc-shaped conducting block 34 and the conducting rod 31 are mutually matched to enable the cylindrical electromagnet 32 at the lowest position to be electrified, the coal ash to be treated is placed on the left side of the conveying belt 4, the conveying belt 4 conveys the coal ash rightwards through the conventional conveying equipment, when the coal ash passes through the cylindrical electromagnet 32 corresponding to the left-side treatment roller 1, the cylindrical electromagnet 32 can adsorb iron and compounds in the coal ash, at the moment, the electric sliding block 22 is synchronously started, the electric sliding block 22 drives the conducting rod 31 to reciprocate back and forth through the -type frame 23 in the reciprocating process, and the conducting rod 31 drives the cylindrical electromagnet 32 to reciprocate back and forth, so that the cylindrical electromagnet 32 can adsorb the coal ash between the adjacent cylindrical electromagnets 32, and the coal ash and the compounds in the coal ash are guaranteed to be fully recovered.
At this time, 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, the driving rod 48 is in contact with the linkage rod 47 in the process of moving, the linkage rod 47 drives the rotating shaft 45 to rotate, the turning plate 46 can be driven to circumferentially rotate in the rotating process of the rotating shaft 45, the turning plate 46 can turn the fly ash, the turned fly ash is in a disordered sequence again, the turned fly ash is secondarily adsorbed by the cylindrical electromagnet 32 on the right processing roller 1, and further, sufficient adsorption of iron and compounds in the fly ash can be ensured, and waste of iron resources caused by incomplete adsorption of iron and compounds in the fly ash is avoided.
When the fly ash passes through the cylindrical electromagnet 32 corresponding to the right processing roller 1, the actions are repeated, namely, the iron and the compound in the fly ash can be subjected to secondary adsorption treatment, when the surface of the cylindrical electromagnet 32 is full of iron and the compound, the limiting rod 14 is taken down, the processing roller 1 is rotated, the linkage rod 38 is driven to move around the arc plate 39 in the rotating 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 moving process of the arc plate 39, so that the push plate 35 can push the iron and the compound on the cylindrical electromagnet 32 to one end of the cylindrical electromagnet 32 far 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, and the processing roller 1 is continuously rotated at the moment, when the conductive rod 31 is separated from the arc conductive block 34, the cylindrical electromagnet 32 is powered off, the iron and the compound on the cylindrical electromagnet 32 are separated from the cylindrical electromagnet 32 and fall into the collecting frame 25, the push plate 35 reaches maximum displacement, the processing roller 1 continues to rotate, the reset spring rod 37 contracts and drives the push plate 35 to reset to the initial position through the insulating block 36, the iron and the compound are collected, the limiting rod 14 is inserted into the limiting hole 12 through the limiting protrusion 13 after the processing roller 1 rotates for 90 degrees, and the iron and the compound in the fly ash can be recovered by repeating the actions.
Referring to fig. 1, in the process of treating the fly ash by adopting the fly ash treatment device, the method comprises the following steps:
first, electrifying: fixing the support frame 2 with the ground, and then electrically connecting the arc-shaped conductive block 34 with the positive electrode and the negative electrode of the power supply, wherein the arc-shaped conductive block 34 and the conductive rod 31 are mutually matched at the moment so that the cylindrical electromagnet 32 at the lowest part is electrified;
step two, conveying treatment: then the fly ash to be treated is placed on the left side of the conveying belt 4, and the conveying belt 4 conveys the fly ash rightwards through the existing conveying equipment;
third step, 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 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 type frame 23 in the reciprocating process, and 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;
fourth step, collecting and processing: when the surface of the cylindrical electromagnet 32 is full of iron and compounds thereof, the limit rod 14 is removed, the processing roller 1 is rotated, the linkage rod 38 is driven to move around the arc plate 39 in the rotation process of the processing roller 1, and then the linkage rod 38 moves along the arc plate 39, the push plate 35 is driven to move along the processing groove 11, 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 far away from the processing roller 1, when the processing roller 1 rotates by 45 degrees, the collecting frame 25 is pushed to be close to the processing roller 1, at the moment, the processing roller 1 is continuously rotated, the push plate 35 continuously pushes the iron and the compounds thereof on the cylindrical electromagnet 32 to move in the rotation process of the processing roller 1, when the conductive rod 31 is separated from the arc-shaped conductive block 34, 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 continuously rotates, and the reset spring rod 37 is contracted to drive the push plate 35 to reset to the starting position through the insulating block 36, and the iron and the compounds are completely collected.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The pretreatment method of the concrete processing raw material adopts a fly ash treatment device which comprises treatment rollers (1) distributed in bilateral symmetry, and is characterized in that: the front side and the rear side of the treatment roller (1) are provided with supporting frames (2) through bearings, the two treatment rollers (1) are provided with treatment mechanisms (3), and a conveyer belt (4) is arranged between the front supporting frame and the rear supporting frame (2) and below the two treatment rollers (1); wherein:
the treatment mechanism (3) comprises a plurality of treatment grooves (11) which are uniformly formed in the circumferential surface of the treatment roller (1), and a magnetic unit (3 a) is arranged in the treatment grooves (11);
the device is characterized in that 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 each conducting rod (31), reset spring rods (37) are arranged between the insulating blocks (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 plates (39) matched with the linkage rods (38) are arranged on the front side and the rear side of each treatment roller (1), and supporting rods (30) are fixedly arranged between the arc plates (39) and supporting frames (2) adjacent to the arc plates;
a baffle plate (41) with a type structure is arranged above the conveying belt (4), the baffle plate (41) is fixedly connected with the supporting frame (2) through a supporting connecting rod (42), a yielding groove (43) for yielding the cylindrical electromagnet (32) is formed in the upper end face of the horizontal section of the baffle plate (41), and a reciprocating through groove (44) which runs forwards and backwards is formed in the upper end face of the horizontal section of the baffle plate (41) and between the horizontal sections of the type frame (23);
a rotating shaft (45) is arranged between the two vertical sections of the baffle plate (41) and the two processing rollers (1) through bearings, a plurality of turning plates (46) are uniformly arranged on the rotating shaft (45) and the part positioned in the baffle plate (41) in the circumferential direction, a plurality of linkage rods (47) are uniformly arranged on the front and rear sides of the circumference of the rotating shaft (45) in the circumferential direction, and a plurality of driving rods (48) matched with the linkage rods (47) are uniformly arranged on the front and rear sides of the conveying belt (4) from left to right;
a scraping plate (411) which is inclined downwards from left to right is arranged on the left side of the lower end surface of the horizontal section of the baffle plate (41) and positioned on the left side of the abdicating groove (43);
the magnetic attraction unit (3 a) comprises a conductive rod (31) arranged in the treatment tank (11), a plurality of cylindrical electromagnets (32) are uniformly arranged in the treatment tank (11) along the axial direction of the treatment roller (1), the cylindrical electromagnets (32) are electrically connected with the conductive rod (31), insulating rods (33) are arranged on the opposite surfaces of the front support frame and the rear support frame (2), and arc-shaped conductive blocks (34) which are in sliding fit with the lowermost conductive rod (31) are arranged on the insulating rods (33);
the conducting rod (31) is arranged in the treatment tank (11) in a sliding way along the front-back direction, a reciprocating frame (21) is arranged between the front support frame (2) and the back support frame (2), an electric sliding block (22) is arranged on the reciprocating frame (21), and a type frame (23) matched with the lowest conducting rod (31) is arranged on the upper end face of the electric sliding block (22);
the fly ash treatment device comprises the following steps in the fly ash treatment process:
first, electrifying: 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: the fly ash to be treated is conveyed to the right through a conveying belt (4);
third step, adsorption treatment: in the moving process of the fly ash, iron and compounds in the fly ash are adsorbed by a cylindrical electromagnet (32);
fourth step, collecting and processing: the fly ash is collected and treated by the existing collecting equipment after being adsorbed by the cylindrical electromagnet (32).
2. The method for pretreating a concrete processing raw material according to claim 1, characterized by: the processing roller (1) and the support frame (2) are connected, one side of the support frame (2) far away from the processing roller (1) is provided with a limiting protrusion (13), and the limiting protrusion (13) is connected with a limiting rod (14) matched with the limiting hole (12) in a sliding clamping manner.
3. The method for pretreating a concrete processing raw material according to claim 1, characterized by: a collecting frame (24) is commonly arranged between the left supporting frame (2) and the right supporting frame (2), and collecting frames (25) are commonly arranged on the upper end surfaces of the front collecting frame and the rear collecting frame (24) in a sliding manner.
4. The method for pretreating a concrete processing raw material according to claim 1, characterized by: the left end faces of the two vertical sections of the type frame (23) are provided with guide inclined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211254790.7A CN115569735B (en) | 2022-10-13 | 2022-10-13 | Pretreatment method for concrete processing raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211254790.7A CN115569735B (en) | 2022-10-13 | 2022-10-13 | Pretreatment method for concrete processing raw materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115569735A CN115569735A (en) | 2023-01-06 |
| CN115569735B true CN115569735B (en) | 2023-11-14 |
Family
ID=84584769
Family Applications (1)
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