CN107127019B - Asphalt concrete mineral aggregate processing system and processing method thereof - Google Patents
Asphalt concrete mineral aggregate processing system and processing method thereof Download PDFInfo
- Publication number
- CN107127019B CN107127019B CN201710464908.1A CN201710464908A CN107127019B CN 107127019 B CN107127019 B CN 107127019B CN 201710464908 A CN201710464908 A CN 201710464908A CN 107127019 B CN107127019 B CN 107127019B
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- vibrating screen
- tape machine
- finished product
- product storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
-
- 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
-
- 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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28609—Discharge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28618—Feeding means
- B02C2013/28636—Feeding means of conveyor belt type
-
- 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
-
- 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
Abstract
The invention discloses a processing system and a processing method for asphalt concrete mineral aggregate, which comprises a receiving bin, wherein a discharging opening of the receiving bin is provided with a plate feeder, a discharging opening of the plate feeder is connected with a feeding opening of an impact crusher, and a first adhesive tape machine is arranged below a discharging opening of the impact crusher; the concrete asphalt mixing machine is characterized in that a first vibrating screen is arranged below the first adhesive tape machine, a second vibrating screen is arranged below the first vibrating screen, different layers of discharge holes of the first vibrating screen and the second vibrating screen are respectively connected with a first finished product storage yard, a second finished product storage yard, a third finished product storage yard and a fourth finished product storage yard, and asphalt concrete aggregates with diameters within different particle size ranges can be obtained in a plurality of different finished product storage yards. So as to meet the construction requirements of hydraulic asphalt concrete.
Description
Technical Field
The invention relates to the field of concrete grade distribution system devices, in particular to a processing system and a processing method for asphalt concrete mineral aggregates.
Background
The hydraulic asphalt concrete is required to have good impermeability and durability, and has extremely strict requirements on the physical and chemical properties of mineral aggregate. The hydraulic asphalt concrete has strict grading, smooth grading curve and extremely small envelope range, and requires dry processing, so that corresponding processes and methods must be adopted to meet the construction requirements of hydraulic asphalt concrete.
Disclosure of Invention
The invention aims to provide a processing system and a processing method for asphalt concrete mineral aggregate, which are used for meeting the construction requirements of hydraulic asphalt concrete.
In order to solve the technical problems, the invention provides the following technical scheme: a processing system for asphalt concrete mineral aggregates comprises a receiving bin, wherein a discharging opening of the receiving bin is provided with a plate feeder, a discharging opening of the plate feeder is connected with a feeding opening of an impact crusher, and a first adhesive tape machine is arranged below a discharging opening of the impact crusher; the concrete asphalt mixing machine is characterized in that a first vibrating screen is arranged below the first rubber belt machine, a second vibrating screen is arranged below the first vibrating screen, different layers of discharge holes of the first vibrating screen and the second vibrating screen are respectively connected with a first finished product yard, a second finished product yard, a third finished product yard and a fourth finished product yard, and asphalt concrete aggregates with diameters in different particle size ranges can be obtained in a plurality of different finished product yards.
The first vibrating screen and the second vibrating screen both adopt a double-layer circular vibrating screen structure.
The first layer of screen surface of the first vibrating screen is connected with the vertical impact crusher through a second adhesive tape machine; the second layer of screen surface of the first vibrating screen is divided into two paths, wherein one path is connected with the vertical impact crusher through a second adhesive tape machine, the other path is connected with the first finished product storage yard through a third adhesive tape machine, and the discharge port of the vertical impact crusher is connected with the first adhesive tape machine through a fourth adhesive tape machine.
Aggregate on the first layer of screen surface of the second vibrating screen is divided into two paths, wherein one path is connected with a second adhesive tape machine through a fifth adhesive tape machine, and the other path is connected with a second finished product storage yard through a sixth adhesive tape machine; aggregate on the second layer of screen surface of the second vibrating screen is divided into two paths, wherein one path is connected with a second adhesive tape machine through a fifth adhesive tape machine; the other path is connected with a third finished product storage yard through a sixth belt conveyor; aggregate under the second layer of sieve of second shale shaker is connected with the regulation material jar through first lifting machine, and the discharge gate of first lifting machine is connected with the feed inlet of regulation material jar.
An electronic belt scale is arranged below a discharge port of the adjusting material tank, a seventh adhesive tape machine is arranged right below the electronic belt scale, and a discharge port of the seventh adhesive tape machine is connected with the powder concentrator; the discharge hole of the powder concentrator is divided into three paths: the first path of coarse powder discharge port is connected with the feed port of the column mill; the second coarse powder discharge port is connected with a finished product storage yard through an eighth adhesive tape machine; the third fine powder discharge port is connected with the feed inlet of the second elevator; and a discharge port of the second hoister is connected with the stone powder tank, and a bottom bulk loader is arranged at the lower part of the stone powder tank.
The upper portion of adjusting the material jar still is equipped with first dust collector, the import of first dust collector is connected with first lifting machine and regulation material jar respectively, the discharge gate and the regulation material jar of first dust collector are connected.
The upper portion of stone powder jar still is equipped with the second dust collector, the import of second dust collector links to each other with second lifting machine and stone powder jar respectively, the discharge gate and the stone powder jar of second dust collector are connected.
And a dust remover is arranged between the first hoister and the powder concentrator, the inlet of the dust remover is respectively connected with the first hoister and the powder concentrator, and the discharge hole of the dust remover is connected with the feed inlet of the second hoister.
The system is also provided with a screw air compressor and a corresponding air drying device, wherein the air drying device is simultaneously connected with the two dust collectors and the dust remover and provides compressed air, so that the requirements of pneumatic control valves of workshops in the system on the compressed air are met.
The processing method adopting any one of the asphalt concrete mineral aggregate processing systems comprises the following steps:
s1: according to the distance between the rock mine and the system and the production intensity, a steel structure rain-proof shed of the raw material storage yard can be additionally arranged outside the system, and the rain-proof shed is arranged in a crushing workshop, a grinding workshop, a powder selecting workshop, a screening workshop, each tape machine and a finished product storage yard in the asphalt concrete mineral material processing system;
s2: the rock raw materials entering the system are strictly checked, and the quality control indexes are as follows: the density is more than or equal to 2.6g/cm3; the mud content: less than or equal to 0.3 percent; the above percentages are mass percentages;
s3: rock mineral materials with the grain size of less than or equal to 700mm from rock mineral mining are conveyed to a discharge port of a receiving bin by a dump truck and then discharged to a plate feeder, the rock mineral materials are conveyed to a reaction crusher to be crushed by the plate feeder, conveyed to a feed port of a first adhesive tape machine through a discharge hopper, and conveyed to a first vibrating screen for grading screening by the first adhesive tape machine; aggregates on the first layer of screen surface enter the vertical impact crusher through the second adhesive tape machine for secondary crushing, and aggregates on the second layer of screen surface can enter the vertical impact crusher through the second adhesive tape machine for crushing according to the aggregate grading requirement; finished aggregate with the thickness of 10-20 mm can be conveyed to a first finished product storage yard for storage through a third adhesive tape machine;
s4: the aggregates crushed by the vertical impact crusher are conveyed to a first adhesive tape machine through a fourth adhesive tape machine and enter a first vibrating screen for grading and screening;
s5: a second vibrating screen is arranged below a second layer of the first vibrating screen, and aggregate on a first layer of the screen entering the second vibrating screen can enter a vertical impact crusher for crushing through a fifth belt conveyor according to aggregate grading requirements; finished aggregate with the thickness of 5-10 mm can be conveyed to a second finished product storage yard for storage through a sixth belt conveyor;
s6: aggregates on a second layer of screen of the second vibrating screen can enter the vertical impact crusher for crushing through a fifth belt conveyor according to aggregate grading requirements; finished aggregate with the thickness of 2.5-5 mm can be conveyed to a third finished product storage yard for storage through a seventh adhesive tape machine;
s7: bone materials under a second layer of sieve of a second vibrating sieve enter a regulating material tank through a first elevator to be stacked, an electronic belt scale is arranged at the lower part of the regulating material tank, semi-finished raw materials with the particle size of less than or equal to 2.5mm stacked in the regulating material tank are quantitatively conveyed to a powder concentrator through the electronic belt scale, a mixed material with the particle size of less than or equal to 2.5mm is separated into two grades of stone powder with the particle size of less than or equal to 0.074mm and the particle size of more than 0.074mm through the powder concentrator, and the grade stone powder with the particle size of less than or equal to 0.074mm is directly conveyed to a finished stone powder tank through the second elevator to be stacked;
s8: the stone powder with the grade larger than 0.074mm can be conveyed to a column mill through a chute to be closed for grinding processing according to the grading requirement, and finished aggregate with the diameter of 2.5-0.074 mm can be conveyed to a finished product storage yard to be stocked through an eighth belt conveyor.
The invention achieves the following technical effects:
1. the plate feeder is used for continuously and uniformly feeding the rock wool to the impact crusher, so that the material blockage of the receiving hopper is avoided, the structure of the receiving hopper is simplified, and the stable production of the system is ensured.
2. The impact crusher has the advantages of large particle size of the fed material, large crushing ratio and good particle shape of the crushed rock, thereby reducing the occupied area of the system and the purchase cost of equipment, and simplifying the operation of the system, thereby reducing the operation energy consumption of the system.
3. The system selects the hoister at the conveying equipment among the screening workshop, the semi-finished product adjusting material tank, the powder concentrator and the stone powder tank, thereby not only reducing the occupied area of the system, but also avoiding the pollution of dust to the surrounding environment.
4. The semi-finished product adjusting material tank and the finished product stone powder tank are arranged and adopt a closed structure, and the rain-proof sheds are arranged in all workshops in the system, so that the all-weather stable continuous production and finished product supply of the system are ensured, and the pollution of dust to the surrounding environment is avoided; but also prevents rainwater from infiltrating semi-finished products and finished product aggregates, and effectively ensures the quality requirements of the aggregates.
5. The powder concentrator is adopted to replace a traditional screening machine to carry out graded production on the stone powder with the particle size less than or equal to 2.5mm, so that the production efficiency is improved, the quality of system production is ensured, and the pollution of dust to the surrounding environment is avoided.
6. The system is provided with the dust collector and the dust remover on the semi-finished product adjusting charging bucket, the stone powder tank and the powder concentrator, thereby not only ensuring the recovery of fine-grained stone powder dissociated in the air, but also avoiding the pollution of dust to the surrounding environment.
7. The column mill is arranged in the system, so that the using amount and quality requirements of the asphalt concrete filler can be met.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
In the figure: the device comprises a receiving bin 1, a plate feeder 2, an impact crusher 3, a first adhesive tape machine 4, a first vibrating screen 5, a second adhesive tape machine 6, a vertical impact crusher 7, a third adhesive tape machine 8, a fourth adhesive tape machine 9, a second vibrating screen 10, a fifth adhesive tape machine 11, a sixth adhesive tape machine 12, a seventh adhesive tape machine 13, a first lifting machine 14, a regulating charging bucket 15, an electronic belt scale 16, a seventh adhesive tape machine 17, a powder concentrator 18, a column mill 19, an eighth adhesive tape machine 20, a second lifting machine 21, a stone powder tank 22, a bottom bulk loader 23, a first finished product storage yard 24, a second finished product storage yard 25, a third finished product storage yard 26, a fourth finished product storage yard 27, a gas drying device 28, a first dust collector 29, a dust collector 30 and a second dust collector 31.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the asphalt concrete mineral aggregate processing system comprises a receiving bin 1, wherein a discharging opening of the receiving bin 1 is provided with a plate feeder 2, a discharging opening of the plate feeder is connected with a feeding opening of an impact crusher 3, and a first adhesive tape machine 4 is arranged below a discharging opening of the impact crusher 3; a first vibrating screen 5 is arranged below the first belt conveyor 4, a second vibrating screen 10 is arranged below the first vibrating screen 5, different layers of discharge holes of the first vibrating screen 5 and the second vibrating screen 10 are respectively connected with a first finished product storage yard 24, a second finished product storage yard 25, a third finished product storage yard 26 and a fourth finished product storage yard 27, and asphalt concrete aggregates with diameters in different particle size ranges can be obtained in a plurality of different finished product storage yards. Through adopting plate feeder 2 can give rock wool to impact crusher evenly in succession, both avoided the putty of hopper, simplified the structure of hopper again to system stable production has been guaranteed.
Further, the first vibrating screen 5 and the second vibrating screen 10 both adopt a double-layer circular vibrating screen structure. Different screening requirements can be met by adopting the structural design of the multilayer vibrating screen. Thereby obtaining ore materials with different grain diameters.
Further, the first layer of screen surface of the first vibrating screen 5 is connected with a vertical impact crusher 7 through a second adhesive tape machine 6; the second layer of screen surface of the first vibrating screen 5 is divided into two paths, wherein one path is connected with a vertical impact crusher 7 through a second adhesive tape machine 6, the other path is connected with a first finished product storage yard 24 through a third adhesive tape machine 8, and a discharge port of the vertical impact crusher 7 is connected with a first adhesive tape machine 4 through a fourth adhesive tape machine 9.
Furthermore, aggregates on the first layer of screen surface of the second vibrating screen 10 are divided into two paths, wherein one path is connected with the second adhesive tape machine 6 through a fifth adhesive tape machine 11, and the other path is connected with the second finished product storage yard 25 through a sixth adhesive tape machine 12; aggregate on the second layer of screen surface of the second vibrating screen 10 is divided into two paths, wherein one path is connected with the second adhesive tape machine 6 through a fifth adhesive tape machine 11; the other path is connected with a third finished product storage yard 26 through a sixth belt conveyor 12; aggregate under the second layer sieve of second shale shaker 10 is connected with regulation bucket 15 through first lifting machine 14, and the discharge gate of first lifting machine 14 is connected with the feed inlet of regulation bucket 15.
Further, an electronic belt scale 16 is arranged below a discharge port of the adjusting charging bucket 15, a seventh adhesive tape machine 17 is arranged right below the electronic belt scale 16, and a discharge port of the seventh adhesive tape machine 17 is connected with the powder concentrator 18; the discharge hole of the powder concentrator 18 is divided into three paths: the first path of coarse powder discharge port is connected with the feed inlet of the column mill 19; the second coarse powder discharge port is connected with a finished product storage yard 27 through an eighth adhesive tape machine 20; the third fine powder discharge port is connected with the feed inlet of the second hoister 21; the discharge hole of the second hoisting machine 21 is connected with a stone powder tank 22, and a bottom bulk loader 23 is arranged at the lower part of the stone powder tank 22.
Further, the upper portion of adjusting the material tank 15 still is equipped with first dust collector 29, the import of first dust collector 29 is connected with first lifting machine 14 and adjusting the material tank 15 respectively, the discharge gate of first dust collector 29 is connected with adjusting the material tank 15.
Further, the upper part of the stone powder tank 22 is also provided with a second dust collector 31, an inlet of the second dust collector 31 is respectively connected with the second hoisting machine 21 and the stone powder tank 22, and a discharge hole of the second dust collector 31 is connected with the stone powder tank 22.
Furthermore, by arranging the dust collector and the dust remover, the recovery of fine-grained stone powder dissociated in the air is ensured, and the pollution of dust to the surrounding environment is avoided.
Further, a dust remover 30 is arranged between the first hoisting machine 14 and the powder concentrator 18, an inlet of the dust remover 30 is connected with the first hoisting machine 14 and the powder concentrator 18, and a discharge port of the dust remover 30 is connected with a feed port of the second hoisting machine 21.
Further, the system is also provided with a screw air compressor and a corresponding air drying device 28, wherein the air drying device 28 is simultaneously connected with the two dust collectors and the dust remover and provides compressed air to meet the requirements of pneumatic control valves of all workshops in the system on the compressed air.
The processing method adopting any one of the asphalt concrete mineral aggregate processing systems comprises the following steps:
s1: according to the distance between the rock mine and the system and the production intensity, a steel structure rain-proof shed of the raw material storage yard can be additionally arranged outside the system, and the rain-proof shed is arranged in a crushing workshop, a grinding workshop, a powder selecting workshop, a screening workshop, each tape machine and a finished product storage yard in the asphalt concrete mineral material processing system;
s2: the rock raw materials entering the system are strictly checked, and the quality control indexes are as follows: the density is more than or equal to 2.6g/cm3; the mud content: less than or equal to 0.3 percent; the above percentages are mass percentages;
s3: rock mineral materials with the grain size of less than or equal to 700mm from rock mineral mining are conveyed to a discharge port of a receiving bin 1 by a dump truck and discharged to a plate feeder 2, the rock mineral materials are conveyed to a reaction crusher 3 by the plate feeder to be crushed, conveyed to a feed port of a first adhesive tape machine 4 by a discharge hopper, and conveyed to a first vibrating screen 5 by the first adhesive tape machine for grading screening; aggregates on the first layer of screen surface enter a vertical impact crusher 7 through a second adhesive tape machine 6 for secondary crushing, and aggregates on the second layer of screen surface enter the vertical impact crusher 7 through the second adhesive tape machine 6 for crushing according to the aggregate grading requirement; finished aggregate of 10-20 mm can be conveyed to the first finished product storage yard 24 for storage through the third belt conveyor 8;
s4: the aggregates crushed by the vertical impact crusher 7 are conveyed to the first belt conveyor 4 through the fourth belt conveyor 9 and enter the first vibrating screen 5 for grading and screening;
s5: a second vibrating screen 10 is arranged below a second layer of the first vibrating screen 5, and aggregate on a first layer of the screen entering the second vibrating screen 10 can enter a vertical impact crusher 7 through a fifth belt conveyor 11 for crushing according to aggregate grading requirements; finished aggregate of 5-10 mm can be conveyed to a second finished product storage yard 25 for storage through a sixth belt conveyor 12;
s6: aggregates on a second layer of screen of the second vibrating screen 10 can enter the vertical impact crusher 7 through the fifth belt conveyor 11 for crushing according to aggregate grading requirements; finished aggregate with the thickness of 2.5-5 mm can be conveyed to a third finished product storage yard 26 by a seventh belt conveyor 13 for storage;
s7: bone materials below a second layer of sieve of a second vibrating sieve 10 enter a regulating material tank 15 through a first lifting machine 14 to be stacked, an electronic belt scale 16 is arranged at the lower part of the regulating material tank, semi-finished raw materials with the grain size of less than or equal to 2.5mm stacked in the regulating material tank are quantitatively conveyed to a powder concentrator 18 through the electronic belt scale, a mixed material with the grain size of less than or equal to 2.5mm is separated into two grades of stone powder with the grain size of less than or equal to 0.074mm and the stone powder with the grain size of more than or equal to 0.074mm through the powder concentrator, and the stone powder with the grade of less than or equal to 0.074mm is directly conveyed to a finished stone powder tank 22 through a second lifting machine 21 to be stacked;
s8: the stone powder with the grade of more than 0.074mm can be conveyed to a column mill 19 through a chute to be closed for grinding processing according to the grading requirement, and finished aggregate with the diameter of 2.5-0.074 mm can be conveyed to a finished product storage yard 27 through an eighth belt conveyor 20 to be stored.
The concrete requirements of the invention in the construction process are as follows:
when the system is used for processing, according to the gas point gas using requirement of the system, a screw air compressor and a corresponding gas drying device are arranged in the system, the exhaust pressure level is 0.8Mpa, and the system is used for the requirements of a pneumatic control valve, a measuring instrument, a dust collector and the like for compressed air required by the system operation; the electrical equipment controlled by the PLC is provided with a selector switch and a start-stop button beside the machine, so that the machine is convenient to maintain and debug. The selector switch is provided with three positions of automatic, zero position and manual operation, and can stop beside the airplane in any state. When the selector switch is at zero position, the vehicle can not be driven at any place, so that the absolute personal safety of maintainers is ensured; considering that the system is large in production noise and multiple in dust pollution source, a closed workshop is adopted for a crushing workshop, a grinding workshop and a screening workshop which are large in noise, sound-absorbing walls and doors and windows are arranged, and a sound-insulating duty room is arranged inside the workshop, so that the noise in the duty room is less than 75 decibels. Besides dust prevention and dust removal in process production, protection measures for workers in the system are enhanced, and protection articles and labor protection tools are matched.
From the above description, those skilled in the art can make various changes and modifications within the scope of the technical idea of the present invention without departing from the scope of the invention. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (3)
1. The processing method of the asphalt concrete mineral aggregate processing system is adopted, the asphalt concrete mineral aggregate processing system comprises a receiving bin (1), a discharging opening of the receiving bin (1) is provided with a plate feeder (2), a discharging opening of the plate feeder is connected with a feeding opening of an impact crusher (3), and a first adhesive tape machine (4) is arranged below a discharging opening of the impact crusher (3); a first vibrating screen (5) is arranged below the first belt conveyor (4), a second vibrating screen (10) is arranged below the first vibrating screen (5), different layers of discharge holes of the first vibrating screen (5) and the second vibrating screen (10) are respectively connected with a first finished product storage yard (24), a second finished product storage yard (25), a third finished product storage yard (26) and a fourth finished product storage yard (27), and asphalt concrete aggregates with diameters in different particle size ranges can be obtained in a plurality of different finished product storage yards;
the first layer of screen surface of the first vibrating screen (5) is connected with a vertical impact crusher (7) through a second adhesive tape machine (6); the second layer of screen surface of the first vibrating screen (5) is divided into two paths, wherein one path is connected with a vertical impact crusher (7) through a second adhesive tape machine (6), the other path is connected with a first finished product storage yard (24) through a third adhesive tape machine (8), and a discharge port of the vertical impact crusher (7) is connected with a first adhesive tape machine (4) through a fourth adhesive tape machine (9);
aggregate on the first layer of screen surface of the second vibrating screen (10) is divided into two paths, wherein one path is connected with the second adhesive tape machine (6) through a fifth adhesive tape machine (11), and the other path is connected with the second finished product storage yard (25) through a sixth adhesive tape machine (12); aggregates on a second layer of screen surface of the second vibrating screen (10) are divided into two paths, wherein one path is connected with the second adhesive tape machine (6) through a fifth adhesive tape machine (11); the other path is connected with a third finished product storage yard (26) through a sixth belt conveyor (12); the second-layer undersize aggregate of the second vibrating screen (10) is connected with a regulating charging bucket (15) through a first hoisting machine (14), and a discharge hole of the first hoisting machine (14) is connected with a feed hole of the regulating charging bucket (15);
an electronic belt scale (16) is arranged below a discharge hole of the adjusting charging bucket (15), a seventh adhesive tape machine (17) is arranged right below the electronic belt scale (16), and a discharge hole of the seventh adhesive tape machine (17) is connected with the powder concentrator (18); the discharge hole of the powder concentrator (18) is divided into three paths: the first path of coarse powder discharge port is connected with a feed port of a column mill (19); the second coarse powder discharge port is connected with a finished product storage yard (27) through an eighth belt conveyor (20); the third fine powder discharge port is connected with a feed inlet of a second hoister (21); a discharge hole of the second hoisting machine (21) is connected with a stone powder tank (22), and a bottom bulk loader (23) is arranged at the lower part of the stone powder tank (22);
the upper part of the adjusting charging bucket (15) is also provided with a first dust collector (29), the inlet of the first dust collector (29) is respectively connected with the first lifting machine (14) and the adjusting charging bucket (15), and the discharge hole of the first dust collector (29) is connected with the adjusting charging bucket (15);
a second dust collector (31) is further arranged at the upper part of the stone powder tank (22), an inlet of the second dust collector (31) is respectively connected with a second lifting machine (21) and the stone powder tank (22), and a discharge hole of the second dust collector (31) is connected with the stone powder tank (22);
a dust remover (30) is arranged between the first hoisting machine (14) and the powder selecting machine (18), the inlet of the dust remover (30) is respectively connected with the first hoisting machine (14) and the powder selecting machine (18), and the discharge hole of the dust remover (30) is connected with the feed inlet of the second hoisting machine (21);
the processing method is characterized by comprising the following steps:
s1: according to the distance between a rock mine and the system and the production strength, a steel structure rain-proof shed of a raw material storage yard is additionally arranged outside the system, and the rain-proof shed is arranged in a crushing workshop, a grinding workshop, a powder selecting workshop, a screening workshop, each tape machine and a finished product storage yard in the asphalt concrete mineral material processing system;
s2: the rock material entering the system is strictly checked, and the quality control index is: the density is more than or equal to 2.6g/cm 3 (ii) a The mud content: less than or equal to 0.3 percent; the above percentages are mass percentages;
s3: rock mineral aggregate with the particle size of less than or equal to 700mm from rock mineral mining is conveyed to a discharge port of a receiving bin (1) by a dump truck and discharged to a plate feeder (2), the rock mineral aggregate is conveyed to a counterattack crusher (3) to be crushed by the plate feeder, conveyed to a feed port of a first adhesive tape machine (4) by a discharge funnel, and conveyed to a first vibrating screen (5) for grading screening by the first adhesive tape machine; aggregates on the first layer of screen surface enter a vertical impact crusher (7) through a second adhesive tape machine (6) for secondary crushing, and aggregates on the second layer of screen surface enter the vertical impact crusher (7) through the second adhesive tape machine (6) for crushing according to the aggregate grading requirement; finished aggregate with the thickness of 10-20 mm can be conveyed to a first finished product storage yard (24) through a third adhesive tape machine (8) for storage;
s4: the aggregates crushed by the vertical impact crusher (7) are conveyed to the first adhesive tape machine (4) through the fourth adhesive tape machine (9) and enter the first vibrating screen (5) for grading and screening;
s5: a second vibrating screen (10) is arranged below a second layer of the first vibrating screen (5), aggregates on a first layer of the screen entering the second vibrating screen (10) can enter a vertical impact crusher (7) through a fifth belt conveyor (11) to be crushed according to aggregate grading requirements; finished aggregate with the thickness of 5-10 mm can be conveyed to a second finished product storage yard (25) through a sixth belt conveyor (12) for storage;
s6: aggregate on a second layer of screen of the second vibrating screen (10) can enter the vertical impact crusher (7) through a fifth belt conveyor (11) to be crushed according to aggregate grading requirements; finished aggregate with the diameter of 2.5-5 mm can be conveyed to a third finished product storage yard (26) through a seventh adhesive tape machine (13) for storage;
s7: aggregate under a second layer of sieve of the second vibrating sieve (10) enters a regulating material tank (15) through a first hoisting machine (14) to be stacked, an electronic belt scale (16) is arranged at the lower part of the regulating material tank, semi-finished raw materials with the grain size of less than or equal to 2.5mm stacked in the regulating material tank are quantitatively conveyed to a powder concentrator (18) through the electronic belt scale, a mixed material with the grain size of less than or equal to 2.5mm is separated into two grades of stone powder with the grain size of less than or equal to 0.074mm and the grade of stone powder with the grain size of more than or equal to 0.074mm through the powder concentrator, and the stone powder with the grain size of less than or equal to 0.074mm is directly conveyed to a finished stone powder tank (22) through a second hoisting machine (21) to be stacked;
s8: the stone powder with the grade larger than 0.074mm can be conveyed to a column mill (19) through a chute to be closed for grinding processing according to the grading requirement, and finished aggregate with the diameter of 2.5-0.074 mm can be conveyed to a finished product storage yard (27) through an eighth belt conveyor (20) to be stored.
2. The processing method using the asphalt concrete mineral aggregate processing system according to claim 1, wherein: the first vibrating screen (5) and the second vibrating screen (10) both adopt a double-layer circular vibrating screen structure.
3. The processing method using the asphalt concrete mineral aggregate processing system according to claim 1, wherein: the system is also provided with a screw air compressor and a corresponding air drying device (28), wherein the air drying device (28) is simultaneously connected with the two dust collectors and the dust remover and provides compressed air to meet the requirements of pneumatic control valves of workshops in the system on the compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464908.1A CN107127019B (en) | 2017-06-19 | 2017-06-19 | Asphalt concrete mineral aggregate processing system and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464908.1A CN107127019B (en) | 2017-06-19 | 2017-06-19 | Asphalt concrete mineral aggregate processing system and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107127019A CN107127019A (en) | 2017-09-05 |
| CN107127019B true CN107127019B (en) | 2023-04-11 |
Family
ID=59735426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464908.1A Active CN107127019B (en) | 2017-06-19 | 2017-06-19 | Asphalt concrete mineral aggregate processing system and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107127019B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787128A (en) * | 2018-04-26 | 2018-11-13 | 乌海市君正矿业有限责任公司 | A kind of calcium carbide limestone crushing process |
| CN109731661B (en) * | 2019-02-28 | 2023-10-27 | 贵州成智重工科技有限公司 | Five-double-full dry crushing production line for high-quality sand aggregate and processing method |
| CN110180664A (en) * | 2019-07-03 | 2019-08-30 | 北京坚构创新科技有限公司 | Half final grinding system of one kind and method |
| CN112246392B (en) * | 2020-09-20 | 2022-08-12 | 广东省创力智能机械设备有限公司 | Intelligent graded gravel crushing production system |
| CN113019648B (en) * | 2021-03-02 | 2024-04-30 | 合肥水泥研究设计院有限公司 | High-efficient preparation system of abandonment concrete regeneration sand powder |
| CN113385286B (en) * | 2021-07-30 | 2022-10-28 | 重庆市涪陵区大业建材有限公司 | Sand and powder refining treatment process and system in dry production of sandstone |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314948A (en) * | 1998-05-08 | 1999-11-16 | Nippon Hodo Co Ltd | Production of artificial sand and its apparatus |
| US20070199482A1 (en) * | 2004-03-31 | 2007-08-30 | Kensuke Kanai | Process For Producing Concrete Material And Apparatus Therefor |
| JP4413745B2 (en) * | 2004-10-26 | 2010-02-10 | 株式会社中山鉄工所 | Recycled aggregate manufacturing method and apparatus |
| CN202097009U (en) * | 2010-12-30 | 2012-01-04 | 上海建冶机器有限公司 | Sand-making production system for environment-friendly dry-method collector |
| CN202849268U (en) * | 2012-10-22 | 2013-04-03 | 上海建冶机器有限公司 | Construction waste regeneration cycle production system |
| CN103085172A (en) * | 2013-01-19 | 2013-05-08 | 葛洲坝集团第五工程有限公司 | Processing system capable of adjusting fineness modulus of natural sand and processing method thereof |
| CN103351107A (en) * | 2013-05-30 | 2013-10-16 | 大连理工大学 | Method for low temperature separation of waste concrete |
| CN103350454B (en) * | 2013-07-30 | 2015-10-14 | 葛洲坝集团第五工程有限公司 | A kind of agstone admixture system of processing and processing method thereof |
| CN203663965U (en) * | 2014-01-21 | 2014-06-25 | 葛洲坝集团第五工程有限公司 | Natural gravel and artificial hard rock gravel processing combined machining system |
| CN205056180U (en) * | 2015-06-29 | 2016-03-02 | 重庆市睿拓建材有限公司 | Sand system of processing equipment for building |
| CN105728152A (en) * | 2016-03-07 | 2016-07-06 | 上海岚致环保科技有限公司 | High-quality sand crushing production technique |
| CN206951310U (en) * | 2017-06-19 | 2018-02-02 | 中国葛洲坝集团第五工程有限公司 | A kind of pitch prill concrete mineral aggregate system of processing |
-
2017
- 2017-06-19 CN CN201710464908.1A patent/CN107127019B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107127019A (en) | 2017-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107127019B (en) | Asphalt concrete mineral aggregate processing system and processing method thereof | |
| CN110681475A (en) | Crushing production line and method for processing high-quality sandstone aggregate based on hard rock | |
| CN112058450B (en) | Intelligent vertical mill production process and production device for aggregate | |
| CN106111665A (en) | A kind of building waste processing method | |
| CN202964918U (en) | Concrete combined aggregate processing system | |
| CN102814862A (en) | Processing system of concrete combined aggregate and construction method | |
| CN105944813B (en) | Production equipment of tailing micro powder | |
| CN101537653B (en) | Process for recycled concrete wall body sheets of building rubbish | |
| CN103611721B (en) | A kind of hydraulic separator and construction waste material resource utilization system | |
| CN112439530A (en) | Fine granite machine-made sandstone aggregate production line and process flow thereof | |
| CN110130920A (en) | Tunnel is slagged tap, sandstone is processed and concrete processes transportation integration equipment and technique | |
| CN203030364U (en) | Machining system capable of adjusting fineness modulus of natural sand | |
| CN112452502A (en) | Fine basalt machine-made sandstone aggregate production line and process flow thereof | |
| CN103350454B (en) | A kind of agstone admixture system of processing and processing method thereof | |
| CN106379909A (en) | Preparation method for producing coal series kaolin from waste burned coal gangue | |
| CN104446071A (en) | Dry sand making process | |
| CN101468358B (en) | Environmental-protecting type closed modular building rubbish reconditioning system | |
| CN108855551B (en) | Sand and stone aggregate crushing and screening production system | |
| CN103357491A (en) | Automatic hard rock returning device with semi-automatic grinding machine | |
| CN107344820A (en) | Construction refuse resource utilizes disposal system | |
| CN211026657U (en) | Broken production line based on high-quality grit aggregate of hard rock processing | |
| CN220195096U (en) | Building type sand and stone aggregate integrated equipment capable of producing coarse and fine aggregate | |
| CN210474947U (en) | Production line for manufacturing recycled bricks by using decoration garbage | |
| CN209799976U (en) | Integrated equipment for tunnel slag discharge, sand stone processing and concrete processing and conveying | |
| CN108855547B (en) | Stone crushing, screening, sand making and dust removing integrated production system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 443002 No. 35, shining pearl Road, Yichang, Hubei Applicant after: China Gezhouba Group road and Bridge Engineering Co.,Ltd. Address before: 443002 No. 35, shining pearl Road, Yichang, Hubei Applicant before: CHINA GEZHOUBA GROUP FIFTH ENGINEERING Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |