CN110653037A - Preparation device and method for waste concrete fine aggregate - Google Patents
Preparation device and method for waste concrete fine aggregate Download PDFInfo
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- CN110653037A CN110653037A CN201911003984.8A CN201911003984A CN110653037A CN 110653037 A CN110653037 A CN 110653037A CN 201911003984 A CN201911003984 A CN 201911003984A CN 110653037 A CN110653037 A CN 110653037A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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- 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
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- 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
- C04B20/023—Chemical treatment
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- 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
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of concrete, in particular to a waste concrete fine aggregate preparation device and a method, which comprises a crushing box, a washing pool, a cleaning box and a carbonization box, wherein one side of the crushing box is connected with a conveying box through a bolt, one side of the conveying box is connected to the top of the washing pool through a bolt, one side of the conveying box is fixedly connected with a primary motor, the end part of the primary motor is fixedly connected with a driving roller, the other side of the conveying box is provided with a driven roller, conveying belts are arranged outside the driving roller and the driven roller, one side of the crushing box is connected with a secondary motor through a bolt, one side inside the crushing box is provided with a bearing, and the end parts of the secondary motor and the bearing are fixedly. The crushing device has the advantages that the two crushing rollers roll concrete raw materials, the end part of the three-stage motor drives the crushing rod to rotate for crushing, fine aggregate is obtained, and the concrete raw materials are crushed through twice crushing, so that high-quality fine aggregate is obtained.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to a device and a method for preparing waste concrete fine aggregate.
Background
The construction industry can generate a large amount of waste concrete every year, and if the waste concrete is directly stacked or buried, a large amount of transportation cost is spent, and secondary pollution is caused to the environment. If the waste concrete can be refined to realize the recycling of resources, the pollution to the environment can be reduced, the ecological environment can be protected, the requirement of sustainable development can be met, the energy can be saved, and the cost consumption can be reduced, wherein, the fine aggregate is re-extracted from the waste concrete and is an important treatment technology, the fine aggregate is the aggregate with the particle size of less than 5mm and is a granular loose material which plays a role in framework or filling in the concrete.
In the using process of the existing device and method for preparing the waste concrete fine aggregate, impurities of waste concrete before processing are too much, the preparation of the crushed fine aggregate is not facilitated, the crushing effect of concrete is poor, the fine aggregate cannot be uniformly screened, the compressive strength of the regenerated fine aggregate is low, and the regenerated fine aggregate cannot be processed and used with raw concrete at the same time, so that the device and method for preparing the waste concrete fine aggregate are urgently needed to be developed.
Disclosure of Invention
The invention aims to provide a waste concrete fine aggregate preparation device and a waste concrete fine aggregate preparation method, and aims to solve the problems that the waste concrete proposed in the background art is excessive in impurities before processing, unfavorable for preparation of crushed fine aggregates, poor in crushing effect of concrete, incapable of screening out fine aggregates with uniform particles, low in compressive strength of regenerated fine aggregates and incapable of being processed and used with raw concrete at the same time.
The technical scheme of the invention is as follows: the waste concrete has excessive impurities before processing, which is not beneficial to the preparation of the crushed fine aggregate, the particles of the crushed fine aggregate are not uniform enough, the later preparation and use of the fine aggregate are influenced, and the compressive strength of the regenerated fine aggregate is lower.
The invention provides a device and a method for preparing waste concrete fine aggregate through improvement, compared with the prior art, the device and the method have the following improvement and advantages:
(1) through the roller, second grade motor, crushing pole and the tertiary motor that set up, two roller roll the concrete raw materials, and the tip of tertiary motor drives the crushing pole and rotates and break, obtains the fine aggregate, obtains high-quality fine aggregate after the crushing messenger concrete raw materials of twice is broken.
(2) Through the washing pond, the sled that set up move seat, conveyer belt and pressure movable plate, the concrete raw materials washs in the washing pond, after washing repeatedly, through pressing the pressure movable plate that moves in the sled seat, the pressure movable plate drives the slurcam and upwards promotes the washing board, takes out the unnecessary impurity in the raw materials, washs the back to the concrete raw materials and carries.
(3) Through the solvent case that sets up with place the board, through spraying calcium hydroxide solution and phenolphthalein reagent, can increase the compressive strength of the fine aggregate after the regeneration, carry out simultaneous processing with the raw materials concrete and use, the result of use preferred.
(4) Through the sieve and the compression spring that set up, the sieve screens the fine aggregate, can select the even fine aggregate of granule, and the granule of the fine aggregate after the screening is comparatively even, does not influence the preparation in fine aggregate later stage.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the rinsing bath according to the present invention;
FIG. 3 is a schematic cross-sectional view of the crushing box of the present invention;
FIG. 4 is a schematic sectional view of the cleaning tank of the present invention;
FIG. 5 is a schematic sectional view of the carbonization chamber of the present invention.
Description of reference numerals:
1 crushing box, 2 water washing pool, 3 washing box, 4 carbonizing box, 5 water washing plate, 6 pushing plate, 7 prying seat, 8 pressing plate, 9 conveying box, 10 driving roller, 11 driven roller, 12 first-level motor, 13 conveying belt, 14 second-level motor, 15 grinding roller, 16 bearing, 17 inclined plate, 18 third-level motor, 19 crushing rod, 20 connecting plate, 21 sieve plate, 22 compression spring, 23 water tank, 24 pulling plate, 25 pushing handle, 26 washing nozzle, 27 solvent box, 28 drying fan, 29 rotating door, 30 placing plate, 31 discharging valve, 32 temperature sensor, 33 water outlet pipe and 34 liquid spraying head.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides a waste concrete fine aggregate preparation device and a method thereof through improvement, as shown in figures 1-5, the device comprises a crushing box 1, a washing tank 2, a cleaning box 3 and a carbonization box 4, one side of the crushing box 1 is connected with a conveying box 9 through a bolt, one side of the conveying box 9 is connected with the top of the washing tank 2 through a bolt, one side of the conveying box 9 is fixedly connected with a first-stage motor 12, the end part of the first-stage motor 12 is fixedly connected with a driving roller 10, the other side of the conveying box 9 is provided with a driven roller 11, the driving roller 10 and the driven roller 11 are externally provided with a conveying belt 13, one side of the crushing box 1 is connected with a second-stage motor 14 through a bolt, one side of the inside of the crushing box 1 is provided with a bearing 16, the end parts of the second-stage motor 14 and the bearing 16 are fixedly connected with a rolling roller 15, the inside of the crushing box 1 is fixedly connected, blanking ports are formed in two sides of the inclined plate 17, and a crushing rod 19 is fixedly connected to the end of the third-stage motor 18.
Further, one side of crushing case 1 has sieve 21 through pivot swing joint, one side fixedly connected with connecting plate 20 of crushing case 1 inside, and the top fixedly connected with compression spring 22 of connecting plate 20, compression spring 22's tip fixed connection is in one side of sieve 21 bottom, and the bottom of crushing case 1 is provided with bleeder valve 31, and the top of crushing case 1 is provided with the feed inlet.
Further, one side of washing tank 2 is provided with sled seat 7, and there is pressure plate 8 at the top of sled seat 7 through pivot swing joint, and there is catch plate 6 one end of pressure plate 8 through pivot swing joint, and catch plate 6 runs through the bottom of washing tank 2, and the top fixedly connected with washing plate 5 of catch plate 6.
Further, one side of smashing case 1 is provided with washs case 3, and washs the top fixedly connected with water tank 23 of case 3, and the top of wasing case 3 is the equidistance and distributes and wash shower nozzle 26, and one side of wasing case 3 is provided with push handle 25, and push handle 25's tip fixedly connected with dead lever, the tip fixedly connected with pulling plate 24 of dead lever, and one side of wasing the bottom of case 3 is provided with outlet pipe 33.
Further, one side fixedly connected with connecting pipe of washing case 3 that is close to outlet pipe 33, and the tip fixed connection of connecting pipe is in carbonization case 4's one side, and one side of connecting pipe is provided with the logical material valve, and there is solvent case 27 carbonization case 4's top through bolt swing joint, and carbonization case 4's inside is provided with temperature sensor 32, and carbonization case 4's top fixedly connected with hydrojet 34.
Further, one side of the carbonization box 4 is fixedly connected with a drying fan 28, one side of the carbonization box 4 is movably connected with a rotating door 29 through a hinge, and one side of the carbonization box 4 is fixedly connected with a placing plate 30.
A preparation method of waste concrete fine aggregate comprises the following steps:
s1, preprocessing and conveying: cleaning the concrete raw material in a washing tank 2, after repeatedly washing, pressing a pressing plate 8 in a prying seat 7, driving a pushing plate 6 to push a washing plate 5 upwards by the pressing plate 8, placing the concrete raw material above a conveying belt 13 in a conveying box 9, driving a driving roller 10 to rotate by a primary motor 12, and conveying the concrete raw material to a crushing box by the conveying belt 13;
s2, crushing and screening raw materials: the end part of the second-stage motor 14 drives the rolling rollers 15 to rotate, the two rolling rollers 15 roll the concrete raw materials, the end part of the third-stage motor 18 drives the crushing rod 19 to rotate to crush the concrete raw materials to obtain fine aggregate, the fine aggregate is 4mm and then falls above the sieve plate 21, and the compression spring 22 stretches and retracts to enable the fine aggregate above the sieve plate 21 to slide into the cleaning box 3;
s3, cleaning and drying the fine aggregate: the water in the water tank 23 is used for cleaning the fine aggregate through the cleaning nozzle 26, the handle 25 is pushed to push the pull plate 24 to push the cleaned fine aggregate into the connecting pipe, then the fine aggregate enters the carbonization tank 4 through the connecting pipe, and the drying fan 28 is used for drying the fine aggregate;
s4, cleaning and drying the fine aggregate: the calcium hydroxide solution in the solvent tank 27 is sprayed on the fine aggregate through the liquid spray head 34, the rotating door 29 is opened, the fine aggregate is placed above the placing plate 30, the phenolphthalein reagent is sprayed, and whether the carbonized fine aggregate is discolored or not is observed.
Further, in S3, the temperature in the carbonization chamber 4 is increased to 40 ℃, and the temperature sensor 32 detects the temperature in the carbonization chamber 4.
Further, in S1, the rotation speed of the first-stage motor is 50 rpm and the rotation time is 10 minutes, in S2, the rotation speed of the third-stage motor 18 is 80 rpm and the rotation time is 15 minutes, and the screen mesh in the screen plate 21 is a 90-mesh screen mesh.
Further, in S4, the amount of the calcium hydroxide solution sprayed was 13 g, and the amount of the phenolphthalein reagent sprayed was 3 g.
The working principle is as follows: cleaning concrete raw materials in a washing tank 2, after repeated washing, pressing a pressing plate 8 in a prying seat 7, driving a pushing plate 6 to push a washing plate 5 upwards by the pressing plate 8, placing the concrete raw materials above a conveying belt 13 in a conveying box 9, driving a driving roller 10 to rotate by a first-stage motor 12, conveying the concrete raw materials into a crushing box 1 by the conveying belt 13, driving rolling rollers 15 to rotate by the end part of a second-stage motor 14, rolling the concrete raw materials by the two rolling rollers 15, driving a crushing rod 19 to rotate by the end part of a third-stage motor 18 to crush to obtain fine aggregates which are 4-5 mm in diameter and fall above a sieve plate 21, stretching a compression spring 22 to slide the fine aggregates above the sieve plate 21 into a washing box 3, cleaning the fine aggregates by water in a water tank 23 through a cleaning nozzle 26, pushing a handle 25 to push a pulling plate 24 to push the cleaned fine aggregates into a connecting pipe, and then the fine aggregate enters the carbonization box 4 through a connecting pipe, the fine aggregate is dried by a drying fan 28, the fine aggregate is sprayed by a calcium hydroxide solution in a solvent box 27 through a liquid spraying head 34, a rotating door 29 is opened, the fine aggregate is placed above a placing plate 30, a phenolphthalein reagent is sprayed, whether the carbonized fine aggregate is discolored or not is observed, the temperature in the carbonization box 4 is increased to 40-70 ℃, and the temperature in the carbonization box 4 is detected by a temperature sensor 32.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an abandonment concrete fine aggregate preparation facilities, includes crushing case (1), rinsing pond (2), washs case (3) and carbonization case (4), its characterized in that: one side of the crushing box (1) is connected with a conveying box (9) through a bolt, one side of the conveying box (9) is connected with the top of the washing pool (2) through a bolt, one side of the conveying box (9) is fixedly connected with a first-stage motor (12), the end part of the first-stage motor (12) is fixedly connected with a driving roller (10), the other side of the conveying box (9) is provided with a driven roller (11), a conveying belt (13) is arranged outside the driving roller (10) and the driven roller (11), one side of the crushing box (1) is connected with a second-stage motor (14) through a bolt, one side of the inner part of the crushing box (1) is provided with a bearing (16), the end parts of the second-stage motor (14) and the bearing (16) are fixedly connected with a rolling roller (15), the inner part of the crushing box (1) is fixedly connected with an inclined plate (17), and the middle position of, blanking openings are formed in the two sides of the inclined plate (17), and a crushing rod (19) is fixedly connected to the end portion of the three-stage motor (18).
2. The apparatus for preparing waste concrete fine aggregate according to claim 1, wherein: one side of smashing case (1) has sieve (21) through pivot swing joint, smash one side fixedly connected with connecting plate (20) of case (1) inside, and the top fixedly connected with compression spring (22) of connecting plate (20), the tip fixed connection of compression spring (22) is in one side of sieve (21) bottom, the bottom of smashing case (1) is provided with bleeder valve (31), the top of smashing case (1) is provided with the feed inlet.
3. The apparatus for preparing waste concrete fine aggregate according to claim 1, wherein: one side of washing pond (2) is provided with sled seat (7), there is pressure plate (8) at the top of sled seat (7) through pivot swing joint, and the one end of pressure plate (8) has slurcam (6) through pivot swing joint, slurcam (6) run through the bottom of washing pond (2), and the top fixedly connected with washing board (5) of slurcam (6).
4. The apparatus for preparing waste concrete fine aggregate according to claim 1, wherein: one side of smashing case (1) is provided with washs case (3), and washs top fixedly connected with water tank (23) of case (3), the top of wasing case (3) is the equidistance and distributes and have washing shower nozzle (26), one side of wasing case (3) is provided with push handle (25), and pushes away the tip fixedly connected with dead lever of handle (25), the tip fixedly connected with pulling plate (24) of dead lever, one side of the bottom of wasing case (3) is provided with outlet pipe (33).
5. The apparatus for preparing waste concrete fine aggregate according to claim 4, wherein: be close to one side fixedly connected with connecting pipe of washing case (3) of outlet pipe (33), and the tip fixed connection of connecting pipe is in one side of carbonization case (4), one side of connecting pipe is provided with the logical material valve, there is solvent case (27) at the top of carbonization case (4) through bolt swing joint, the inside of carbonization case (4) is provided with temperature sensor (32), the top fixedly connected with hydrojet head (34) of carbonization case (4).
6. The apparatus for preparing waste concrete fine aggregate according to claim 1, wherein: one side fixedly connected with drying fan (28) of carbonization case (4), one side of carbonization case (4) has rotating door (29) through hinge swing joint, one side fixedly connected with of carbonization case (4) places board (30).
7. A preparation method of waste concrete fine aggregate comprises the following steps:
s1, preprocessing and conveying: cleaning concrete raw materials in a washing tank (2), after repeated washing, driving a pushing plate (6) to push a washing plate (5) upwards by pressing a pressing plate (8) in a prying seat (7), placing the concrete raw materials above a conveying belt (13) in a conveying box (9), driving a driving roller (10) to rotate by a primary motor (12), and conveying the concrete raw materials to a crushing box by the conveying belt (13);
s2, crushing and screening raw materials: the end part of the second-stage motor (14) drives the rolling rollers (15) to rotate, the two rolling rollers (15) roll the concrete raw materials, the end part of the third-stage motor (18) drives the crushing rod (19) to rotate and crush the concrete raw materials to obtain fine aggregate, the fine aggregate is 4-5 mm and falls above the sieve plate (21), and the compression spring (22) stretches and retracts to enable the fine aggregate above the sieve plate (21) to slide into the cleaning box (3);
s3, cleaning and drying the fine aggregate: the water in the water tank (23) cleans the fine aggregate through the cleaning nozzle (26), the handle (25) is pushed to push the pulling plate (24) to push the cleaned fine aggregate into the connecting pipe, then the fine aggregate enters the carbonization tank (4) through the connecting pipe, and the drying fan (28) dries the fine aggregate;
s4, cleaning and drying the fine aggregate: the calcium hydroxide solution in the solvent box (27) sprays the fine aggregate through the liquid spraying head (34), the rotating door (29) is opened, the fine aggregate is placed above the placing plate (30), the phenolphthalein reagent is sprayed, and whether the carbonized fine aggregate is discolored or not is observed.
8. The method for preparing waste concrete fine aggregate according to claim 7, wherein the method comprises the following steps: in S3, the temperature in the carbonization chamber (4) is increased to 40 to 70 ℃, and the temperature sensor (32) detects the temperature in the carbonization chamber (4).
9. The method for preparing waste concrete fine aggregate according to claim 7, wherein the method comprises the following steps: in the S1, the rotation speed of the first-level motor (12) is 50-70 revolutions per minute, the rotation speed is 10-15 minutes, in the S2, the rotation speed of the third-level motor (18) is 80-100 revolutions per minute, the rotation speed is 15-30 minutes, and the sieve mesh in the sieve plate (21) is 90-120 meshes.
10. The method for preparing waste concrete fine aggregate according to claim 7, wherein the method comprises the following steps: in the S4, the dosage of the sprayed calcium hydroxide solution is 13-20 g, and the dosage of the sprayed phenolphthalein reagent is 3-8 g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003984.8A CN110653037B (en) | 2019-10-22 | 2019-10-22 | Preparation device and method for waste concrete fine aggregate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003984.8A CN110653037B (en) | 2019-10-22 | 2019-10-22 | Preparation device and method for waste concrete fine aggregate |
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| CN110653037A true CN110653037A (en) | 2020-01-07 |
| CN110653037B CN110653037B (en) | 2021-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457809A (en) * | 2021-05-18 | 2021-10-01 | 深圳市石能新型环保材料有限公司 | Calcium-containing environment-friendly material manufacturing process and device applied to printed packaging |
Citations (6)
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| CN110653037B (en) | 2021-12-28 |
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