CN114605100A - Electrolytic manganese slag harmless treatment method and asphalt pavement recycled aggregate preparation device thereof - Google Patents
Electrolytic manganese slag harmless treatment method and asphalt pavement recycled aggregate preparation device thereof Download PDFInfo
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- CN114605100A CN114605100A CN202210228806.0A CN202210228806A CN114605100A CN 114605100 A CN114605100 A CN 114605100A CN 202210228806 A CN202210228806 A CN 202210228806A CN 114605100 A CN114605100 A CN 114605100A
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- manganese slag
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- 239000002893 slag Substances 0.000 title claims abstract description 93
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 90
- 239000011572 manganese Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000010426 asphalt Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000001354 calcination Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 7
- 235000012255 calcium oxide Nutrition 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- IQYKECCCHDLEPX-UHFFFAOYSA-N chloro hypochlorite;magnesium Chemical compound [Mg].ClOCl IQYKECCCHDLEPX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000010009 beating Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of manganese slag treatment, and particularly relates to an electrolytic manganese slag harmless treatment method and an asphalt pavement recycled aggregate preparation device thereof, wherein the treatment method comprises the following steps: step S1: controlling the temperature of the muffle furnace in advance, controlling the temperature of the muffle furnace at 0 ℃, and then putting the original manganese slag into the muffle furnace; step S2: heating the interior of the muffle furnace, calcining the original manganese slag, wherein the temperature control curve is 0-800 ℃, and the heating rate is 10 ℃/min; keeping the temperature at 800 ℃ for 60 min; 800 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 180 min; step S3: putting the manganese slag finished product after calcination into a roller slag cooler, and cooling the manganese slag finished product to room temperature; step S4: and putting the cooled manganese slag finished product into a crusher. Through the mode of multistage heating, carry out innocent treatment to electrolytic manganese sediment, when having realized carrying out innocent treatment to electrolytic manganese sediment, reducible cost consumption in the processing for innocent treatment is more economical high-efficient.
Description
Technical Field
The invention relates to the technical field of manganese slag treatment, in particular to a harmless treatment method of electrolytic manganese slag and a device for preparing asphalt pavement recycled aggregate.
Background
The production of electrolytic manganese mainly adopts manganese ore powder and inorganic acid (commonly used sulfuric acid) to react and heat to prepare manganese salt solution, at the same time, ammonium salt is added into the solution as buffer, iron is removed by using a method of adding oxidant to oxidize and neutralize, a vulcanizing and purifying agent is added to remove heavy metal, then the solution is filtered and separated, and an electrolytic additive is added into the solution as electrolytic solution. Then the electrolytic solution is injected into a diaphragm electrolytic cell, direct current is switched on, electroprecipitation is generated, metal manganese is precipitated on a cathode plate, and oxygen is precipitated on an anode plate. On average, 7-9 tons of electrolytic manganese slag can be generated every 1 ton of electrolytic manganese is produced, and 99% of electrolytic manganese slag is stockpiled by adopting a slag warehouse.
The main environmental pollution caused by the electrolytic manganese slag is as follows: firstly, the migration of heavy metal ions (particularly manganese ions) to soil and underground water; secondly, the pollution of sulfate ions to soil and underground water.
When the electrolytic manganese slag is subjected to harmless treatment, the existing manganese slag manganese fertilizer preparation method only stays at a theoretical research stage, and heavy metals in the electrolytic manganese slag are extracted, so that the cost for reducing the heavy metal pollution index of the slag is high, the cost for consuming the economic cost is high, and a better electrolytic manganese slag harmless treatment method is lacked; therefore, the method for harmlessly treating the electrolytic manganese slag and the device for preparing the recycled aggregate of the asphalt pavement are provided aiming at the problems.
Disclosure of Invention
In order to make up for the defects of the prior art and the problems in the background art, the invention provides a harmless treatment method of electrolytic manganese slag and a preparation device of recycled asphalt pavement aggregate thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the harmless treatment method of the electrolytic manganese slag comprises the following production process steps: s1: controlling the temperature of the muffle furnace in advance, controlling the temperature of the muffle furnace at 0 ℃, and then putting the original manganese slag into the muffle furnace;
s2: heating the interior of the muffle furnace, calcining the original manganese slag, wherein the temperature control curve is 0-800 ℃, and the heating rate is 10 ℃/min; keeping the temperature at 800 ℃ for 60 min; 800 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 180 min;
s3: putting the manganese slag finished product after calcination into a roller slag cooler, and cooling the manganese slag finished product to room temperature;
s4: and putting the cooled manganese slag finished product into a crusher.
Preferably, the temperature control curve in the S2 can also be 0-200 ℃, and the heating rate is 10 ℃/min; keeping the temperature at 200 ℃ for 40 min; 200 ℃ and 600 ℃, and the heating rate is 10 ℃/min; 600 preserving the heat for 60 min; 600 ℃ and 900 ℃, the heating rate is 10 ℃/min; 900 preserving the heat for 60 min; 900 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 120 min.
Preferably, the manganese slag finished product after being calcined through the temperature control curve needs to be subjected to water quenching immediately, and the manganese slag finished product is kept stand for 24 hours after the water quenching is finished.
Preferably, when the original manganese slag is put into the muffle furnace in the step S1, an additive may be added to mix with the original manganese slag and calcine the mixture, wherein the ratio of the manganese slag to the additive is 80-95: 5-20, the additive comprises one or more of calcium oxide, quicklime, magnesium oxychloride, desulfurized gypsum, phosphogypsum and fluxing agent.
Preferably, before the manganese slag finished product in the step S3 is placed in the roller slag cooler, the inside of the roller slag cooler can be dried by an adsorption dryer.
Preferably, the preparation device is suitable for the harmless treatment method of the electrolytic manganese slag, wherein the pulverizer comprises a pulverizer body; a feeding opening is formed in the top of the crusher body; a discharge hole is formed in the side wall of the crusher body; a driving motor is arranged in the crusher body; the output end of the driving motor is fixedly connected with a rotating shaft; a stirring auger is fixedly connected to the side wall of the rotating shaft; a plurality of striking sheets are fixedly connected to the stirring auger; the manganese slag can be crushed and become recycled aggregate of the asphalt pavement after screening.
Preferably, a plurality of first springs are fixedly connected to the side wall of the striking plate; the end part of the first spring is fixedly connected with a buffer plate; the buffer plate is arranged at a position corresponding to the rotation of the stirring auger; the damage to the striking sheet caused by striking can be reduced.
Preferably, the inside of the striking piece is provided with an installation groove; an installation block is arranged in the installation groove; the side wall of the mounting block is fixedly connected with a crushing blade; the top of the mounting groove is detachably connected with an extrusion block; the bottom of the striking sheet is connected with a pushing block in a sliding manner; the bottom of the pushing block is fixedly connected with a second spring; the second spring is fixedly connected to the bottom of the striking plate; the mounting block can be placed more firmly in the mounting groove.
The invention has the advantages that:
1. the method carries out innocent treatment on the electrolytic manganese slag in a multi-section heating mode, and can reduce the cost consumption in the treatment while realizing the innocent treatment on the electrolytic manganese slag, so that the innocent treatment is more economic and efficient.
2. According to the invention, through the structural design that the side surface of the striking sheet is fixedly connected with the buffer plate through the first spring, the function of buffering the impact on the striking sheet is realized, and the service life of the striking sheet is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the method for harmlessly treating electrolytic manganese residues in the present invention;
FIG. 2 is a front view of the pulverizer of the first embodiment;
FIG. 3 is a perspective view of a striking plate according to the first embodiment;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is an enlarged view at B in FIG. 4;
fig. 6 is a schematic structural view of a sanding pad according to a second embodiment.
In the figure: 1. a pulverizer body; 2. a feeding port; 3. a discharge port; 4. a drive motor; 5. a rotating shaft; 6. Stirring the auger; 7. striking a sheet; 8. a buffer plate; 9. a first spring; 10. mounting blocks; 11. crushing the blades; 12. extruding the block; 13. a pushing block; 14. a second spring; 15. and (5) grinding the sand cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, a preferred embodiment of the method for harmlessly treating electrolytic manganese residues of the present invention includes the following steps:
step S1: the temperature of the muffle furnace is controlled in advance to be 0 ℃, and then the original manganese slag is put into the muffle furnace. When the original manganese slag is put into a muffle furnace, an additive can be added to mix with the original manganese slag for calcination, and the ratio of the manganese slag to the additive is 80-95: 5-20, the additive comprises one or more of calcium oxide, quicklime, magnesium oxychloride, desulfurized gypsum, phosphogypsum and fluxing agent.
Step S2: heating the interior of the muffle furnace, calcining the original manganese slag, wherein the temperature control curve is 0-800 ℃, and the heating rate is 10 ℃/min; keeping the temperature at 800 ℃ for 60 min; 800 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 180 min. In other embodiments, the temperature control curve can also be 0-200 ℃ and the heating rate is 10 ℃/min; keeping the temperature at 200 ℃ for 40 min; 200 ℃ and 600 ℃, and the heating rate is 10 ℃/min; 600 preserving the heat for 60 min; 600 ℃ and 900 ℃, the heating rate is 10 ℃/min; 900 preserving the heat for 60 min; 900 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 120 min. The manganese slag finished product after being calcined by the temperature control curve needs to be quenched immediately, and the manganese slag finished product is preferably kept stand for 24 hours after quenching.
Step S3: and (3) putting the manganese slag finished product after calcination into a roller slag cooler, and cooling the manganese slag finished product to room temperature. Before the manganese slag finished product is placed into the roller slag cooler, the interior of the roller slag cooler can be dried by an adsorption dryer.
Step S4: and (4) putting the cooled manganese slag finished product into a crusher, crushing and screening the manganese slag finished product to obtain the asphalt pavement recycled aggregate.
With continued reference to fig. 2 to 5, the preferred embodiment of the pulverizer described in step S4 includes a pulverizer body 1. The top of rubbing crusher body 1 has seted up pan feeding mouth 2, discharge gate 3 has been seted up to the lateral wall of rubbing crusher body 1, the internally mounted of rubbing crusher body 1 has driving motor 4. The output rigid coupling of driving motor 4 has axis of rotation 5, the rigid coupling has stirring auger 6 on the lateral wall of axis of rotation 5, the rigid coupling has a plurality of to hit beating piece 7 on stirring auger 6. When the manganese slag crusher works, when manganese slag finished products need to be crushed, the manganese slag finished products can be thrown into the crusher body 1 through the feeding port 2, the driving motor 4 is started, the rotating shaft 5 is driven to rotate, the stirring auger 6 is driven to rotate, the manganese slag in the crusher body 1 is stirred, when the manganese slag is stirred by the stirring auger 6, the manganese slag can be beaten and crushed through the beating sheets 7, and therefore the manganese slag can be crushed and become recycled aggregate of an asphalt pavement after being screened.
The utility model discloses a stirring auger, including hit piece 7, the lateral wall of hitting piece is last to be connected with the rigid coupling has a plurality of first spring 9, the tip rigid coupling of first spring 9 has buffer board 8, buffer board 8 sets up in the position department that corresponds 6 rotations of stirring auger. At the during operation, hit piece 7 and hit when beating to hit the manganese sediment and beat and smash, accessible buffer board 8 and manganese sediment contact, and then the first spring of accessible 9 cushions the dynamics of beating of buffer board 8 to reducible beating is hit the damage of beating the piece 7 and leading to the fact of beating.
The utility model discloses a crushing device, including hitting piece 7, installation piece 10, crushing blade 11, the top of installation piece 12 can be dismantled and be connected with extrusion piece, the installation groove has been seted up to the inside of hitting piece 7, installation piece 10 has been placed to the inside of installation groove, the rigid coupling has crushing blade 11 on the lateral wall of installation piece 10, the top of installation groove. The bottom of the striking sheet 7 is slidably connected with a pushing block 13, the bottom of the pushing block 13 is fixedly connected with a second spring 14, and the second spring 14 is fixedly connected to the bottom of the striking sheet 7. At the during operation, when needs are smashed manganese slag, can have crushing blade 11's installation piece 10 with the rigid coupling to put into the inside of mounting groove, and then can install extrusion piece 12 at the top of mounting groove, through changing installation piece 10, can make crushing blade 11's change more convenient, thereby adjustable rubbing crusher's crushing particle diameter, the elasticity through second spring 14 is to the extrusion that promotes piece 13 simultaneously, can make installation piece 10 place more firmly in the inside of mounting groove.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a sanding pad 15 is fixed to the top of the pushing block 13; when the installation block 10 is fixed by the pushing block 13 during operation, the abrasive pad 15 can increase the contact area between the pushing block 13 and the installation block 10, increase the friction between the pushing block 13 and the installation block 10, and further increase the friction between the pushing block 13 and the installation block 10, so that the fixing effect of the pushing block 13 on the installation block 10 is better.
The working principle is that when the manganese slag finished product is required to be crushed during working, the manganese slag finished product can be put into the crusher body 1 through the feeding port 2, the driving motor 4 is started, the rotating shaft 5 is driven to rotate, the stirring auger 6 is driven to rotate, the manganese slag in the crusher body 1 is stirred, when the manganese slag is stirred by the stirring auger 6, the manganese slag can be beaten and crushed through the beating sheet 7, so that the manganese slag can be crushed and become recycled aggregate of an asphalt pavement after being screened, when the manganese slag is beaten and crushed by the beating sheet 7, the manganese slag can be contacted through the buffer plate 8, the beating force of the buffer plate 8 can be buffered through the first spring 9, so that the damage to the beating sheet 7 caused by beating can be reduced, when the manganese slag is required to be crushed, the mounting block 10 fixedly connected with the crushing blade 11 can be placed into the mounting groove, and then can install extrusion piece 12 at the top of mounting groove, through changing installation piece 10, can make crushing blade 11's change more convenient to adjustable rubbing crusher's crushing particle diameter, simultaneously through the elasticity of second spring 14 to the extrusion that promotes piece 13, can make installation piece 10 place more firmly in the inside of mounting groove.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A harmless treatment method of electrolytic manganese slag is characterized in that: the processing method comprises the following steps:
s1: controlling the temperature of the muffle furnace in advance, controlling the temperature of the muffle furnace at 0 ℃, and then putting the original manganese slag into the muffle furnace;
s2: heating the interior of the muffle furnace, calcining the original manganese slag, wherein the temperature control curve is 0-800 ℃, and the heating rate is 10 ℃/min; keeping the temperature at 800 ℃ for 60 min; 800 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 180 min;
s3: putting the manganese slag finished product after calcination into a roller slag cooler, and cooling the manganese slag finished product to room temperature;
s4: and putting the cooled manganese slag finished product into a crusher.
2. The electrolytic manganese slag innocent treatment method according to claim 1, characterized in that: the temperature control curve in the S2 can also be 0-200 ℃, and the heating rate is 10 ℃/min; keeping the temperature at 200 ℃ for 40 min; 200 ℃ and 600 ℃, and the heating rate is 10 ℃/min; 600 preserving the heat for 60 min; 600 and 900 ℃, the heating rate is 10 ℃/min; 900 preserving the heat for 60 min; 900 ℃ and 1550 ℃, and the heating rate is 5 ℃/min; keeping the temperature at 1550 ℃ for 120 min.
3. The electrolytic manganese slag innocent treatment method according to claim 2, characterized in that: the manganese slag finished product after being calcined by the temperature control curve in the claim 2 needs to be quenched immediately and then stands for 24 hours after quenching.
4. The electrolytic manganese slag innocent treatment method according to claim 1, characterized in that: when the original manganese slag is put into the muffle furnace in the step S1, an additive can be added to mix and calcine the original manganese slag, and the ratio of the manganese slag to the additive is 80-95: 5-20, the additive comprises one or more of calcium oxide, quicklime, magnesium oxychloride, desulfurized gypsum, phosphogypsum and fluxing agent.
5. The electrolytic manganese slag innocent treatment method according to claim 1, characterized in that: and (5) before the manganese slag finished product in the step (S3) is placed into the roller slag cooler, drying the interior of the roller slag cooler through an adsorption dryer.
6. An asphalt pavement recycled aggregate preparation device, which is suitable for the harmless treatment method of electrolytic manganese slag as recited in claim 1, and is characterized in that: the preparation device of the recycled aggregate of the asphalt pavement comprises a crusher, the crusher comprises a crusher body (1), and a feeding opening (2) is formed in the top of the crusher body (1); a discharge hole (3) is formed in the side wall of the pulverizer body (1); a driving motor (4) is arranged in the pulverizer body (1); the output end of the driving motor (4) is fixedly connected with a rotating shaft (5); a stirring auger (6) is fixedly connected to the side wall of the rotating shaft (5); a plurality of striking sheets (7) are fixedly connected to the stirring auger (6).
7. The asphalt pavement recycled aggregate preparation device according to claim 6, characterized in that: a plurality of first springs (9) are fixedly connected to the side wall of the striking plate (7); the end part of the first spring (9) is fixedly connected with a buffer plate (8); the buffer plate (8) is arranged at a position corresponding to the rotation of the stirring auger (6).
8. The asphalt pavement recycled aggregate preparation device according to claim 7, characterized in that: the inside of the striking sheet (7) is provided with a mounting groove; an installation block (10) is arranged in the installation groove; a crushing blade (11) is fixedly connected to the side wall of the mounting block (10); the top of the mounting groove is detachably connected with an extrusion block (12); the bottom of the striking sheet (7) is connected with a pushing block (13) in a sliding way; the bottom of the pushing block (13) is fixedly connected with a second spring (14); the second spring (14) is fixedly connected to the bottom position of the striking plate (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210228806.0A CN114605100A (en) | 2022-03-10 | 2022-03-10 | Electrolytic manganese slag harmless treatment method and asphalt pavement recycled aggregate preparation device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210228806.0A CN114605100A (en) | 2022-03-10 | 2022-03-10 | Electrolytic manganese slag harmless treatment method and asphalt pavement recycled aggregate preparation device thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161048A (en) * | 2011-01-06 | 2011-08-24 | 中国环境科学研究院 | Innocent treatment method of electrolytic manganese slag |
| CN103771734A (en) * | 2014-01-27 | 2014-05-07 | 天津水泥工业设计研究院有限公司 | Method for utilizing electrolytic manganese residue in large-scale calcining treatment |
| CN104129937A (en) * | 2014-08-05 | 2014-11-05 | 重庆前跃环境治理有限公司 | Electrolytic manganese slag resource utilization process |
| CN108329049A (en) * | 2018-02-07 | 2018-07-27 | 贵州中科鸿塬环保科技有限公司 | A kind of puffing lightweight aggregate of electrolytic manganese residues and harmless regeneration processing utilize method |
| CN110183120A (en) * | 2019-05-13 | 2019-08-30 | 中冶武汉冶金建筑研究院有限公司 | Utilize the method for original state electrolytic manganese residues and steel slag tailing slurry production activity of cement admixture |
| CN110963721A (en) * | 2019-12-27 | 2020-04-07 | 湖南省小尹无忌环境能源科技开发有限公司 | Method for producing active admixture by utilizing dry-process cement plant transformation treatment manganese slag |
| CN212681154U (en) * | 2020-06-09 | 2021-03-12 | 福建省泷澄建设集团有限公司 | Waste treatment and recycling device for building |
| CN214687195U (en) * | 2020-12-12 | 2021-11-12 | 王爱华 | Recycled concrete aggregate processingequipment |
-
2022
- 2022-03-10 CN CN202210228806.0A patent/CN114605100A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161048A (en) * | 2011-01-06 | 2011-08-24 | 中国环境科学研究院 | Innocent treatment method of electrolytic manganese slag |
| CN103771734A (en) * | 2014-01-27 | 2014-05-07 | 天津水泥工业设计研究院有限公司 | Method for utilizing electrolytic manganese residue in large-scale calcining treatment |
| CN104129937A (en) * | 2014-08-05 | 2014-11-05 | 重庆前跃环境治理有限公司 | Electrolytic manganese slag resource utilization process |
| CN108329049A (en) * | 2018-02-07 | 2018-07-27 | 贵州中科鸿塬环保科技有限公司 | A kind of puffing lightweight aggregate of electrolytic manganese residues and harmless regeneration processing utilize method |
| CN110183120A (en) * | 2019-05-13 | 2019-08-30 | 中冶武汉冶金建筑研究院有限公司 | Utilize the method for original state electrolytic manganese residues and steel slag tailing slurry production activity of cement admixture |
| CN110963721A (en) * | 2019-12-27 | 2020-04-07 | 湖南省小尹无忌环境能源科技开发有限公司 | Method for producing active admixture by utilizing dry-process cement plant transformation treatment manganese slag |
| CN212681154U (en) * | 2020-06-09 | 2021-03-12 | 福建省泷澄建设集团有限公司 | Waste treatment and recycling device for building |
| CN214687195U (en) * | 2020-12-12 | 2021-11-12 | 王爱华 | Recycled concrete aggregate processingequipment |
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