CN108722639B - Machine-made sand production system - Google Patents
Machine-made sand production system Download PDFInfo
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- CN108722639B CN108722639B CN201810761404.0A CN201810761404A CN108722639B CN 108722639 B CN108722639 B CN 108722639B CN 201810761404 A CN201810761404 A CN 201810761404A CN 108722639 B CN108722639 B CN 108722639B
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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
- B02C23/02—Feeding devices
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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
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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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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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a machine-made sand production system which comprises a sand making feeding belt conveyor, a sand making buffer bin, a variable-frequency speed-regulating feeding belt conveyor, a feeding hopper type elevator, a feeding chute, a sand making machine, a first lower chute of the sand making machine, a second lower chute of the sand making machine, a vibration distributing machine chute, a vibration screen sealing cover, a vibration screen, a pre-screen chute, an undersize funnel, a pre-screen belt conveyor, an undersize belt conveyor, a finished product bucket type elevator, an electrohydraulic three-way chute, a powder selecting machine, a finished product sand chute, a finished product sand discharger, a finished product sand scraper, a dust powder chute, a dust powder discharger, a dust hopper of the finished product sand, a sand making dust remover, a loading dust remover, a dust powder bulk machine and a finished product sand bulk machine. The invention adopts the building type arrangement, reduces the occupied area, is convenient for dust collection of a dust remover, saves energy, protects environment and reduces cost, and the performance of the sand making machine can be fully exerted by adopting an intelligent system to control the whole machine-made sand production system, thereby improving the production capacity and the quality of finished sand.
Description
1. Technical field:
the invention relates to a machine-made sand production system, and belongs to the technical field of stone production.
2. The background technology is as follows:
the machine-made sand is rock, mine tailings or industrial waste residue particles with the particle size smaller than 4.75 mm, which are prepared by mechanical crushing and screening, and are commonly called machine-made sand. The machine-made sand production line is divided into two processes of dry sand making and wet sand making according to the processes. The wet sand making production line utilizes a sand washer to clean mud powder and stone powder in the sand, is limited by water resources, and breaks the reasonable grading of machine-made sand after the stone powder is washed off, so that resource waste is caused. Main equipment of the dry sand production line comprises a sand making machine, a vibrating screen, a powder selecting machine, a dust remover and the like, and compared with wet sand making, the dry sand production line gets rid of the limit of the environment, has better grading and is more environment-friendly. At present, the dry method sand gets rid of environmental limitation, the machine-made sand is well-graded, which is more beneficial to environmental protection, and is not limited by water source and environment, and the machine-made sand production line is widely put into use all over the country.
In the machine-made sand production system in the prior art, stone with the grain size smaller than 50 mm is generally adopted to enter a sand making machine for crushing, stone crushed by the sand making machine enters a vibrating screen for screening, stone with the grain size smaller than 4.75 mm enters a powder selecting machine for selecting powder, finished sand meeting the grading requirement enters a finished sand bin, ash powder not meeting the grading requirement enters an ash powder bin, and stone with the grain size larger than 4.75 mm enters the sand making machine for crushing again. And meanwhile, dust is collected at the transfer point and the vibrating screen by using a dust remover. The machine-made sand production system in the prior art has the defects of more transfer equipment, large occupied area and unstable quality of finished sand because the quantity of raw materials entering the sand making machine cannot be automatically controlled according to the size of the return material quantity (stone material larger than 4.75 mm) of the vibrating screen.
3. The invention comprises the following steps:
the technical problems to be solved by the invention are as follows: the system has the advantages that the defects of the prior art are overcome, the system is arranged in a building mode, the intelligent system is adopted to control the whole system, and high-quality machine-made sand can be produced according to the grading requirement.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a machine-made sand production system comprises a sand making feeding belt conveyor, a sand making buffer bin, a variable-frequency speed regulation feeding belt conveyor, a feeding hopper type elevator, a feeding chute, a sand making machine, a first lower chute of the sand making machine, a second lower chute of the sand making machine, a vibration distributing machine chute, a vibration sieve sealing cover, a vibration sieve, a pre-sieve chute, an undersize hopper, a pre-sieve belt conveyor, an undersize belt conveyor, a finished product bucket elevator, an electrohydraulic three-way chute, a powder selecting machine, a finished product sand chute, a finished product sand discharger, a finished product sand scraper, an ash powder chute, an ash powder discharger, an ash powder bin, a finished product sand bin, a sand making dust remover, a loading dust remover, an ash powder bulk machine and a finished product sand bulk machine; the head hopper of the sand making feeding belt conveyor is connected with the feed inlet of the sand making buffer bin through a flange, a variable-frequency speed-regulating feeding belt conveyor is arranged below the sand making buffer bin, the head hopper of the variable-frequency speed-regulating feeding belt conveyor is connected with the feed inlet of the feeding hopper type elevator through a flange, the discharge outlet of the feeding hopper type elevator is connected with the feed chute through a flange, and the discharge outlet of the feed chute is connected with the feed inlet of the sand making machine through a flange; the device comprises a vibrating screen sealing cover, a vibrating screen hopper type lifting machine, a vibrating screen sealing cover, a vibrating screen front belt conveyor and a vibrating screen, wherein the vibrating screen sealing cover is arranged above the vibrating screen, the vibrating screen sealing cover is connected with the vibrating screen through a soft connection, the vibrating screen sealing cover is arranged above the vibrating screen, the vibrating screen is provided with a vibrating screen sealing cover, the vibrating screen sealing cover is connected with the vibrating screen sealing cover, the vibrating screen sealing cover is provided with a vibrating screen front belt conveyor, the vibrating screen front belt conveyor is provided with a vibrating screen sealing cover, and the vibrating screen sealing cover is connected with the vibrating screen; the lower part of the vibrating screen is correspondingly provided with an undersize funnel, the vibrating screen is connected with the undersize funnel through soft connection, a discharge port of the undersize funnel is connected with a guide chute on the undersize belt conveyor through a flange, a head funnel of the undersize belt conveyor is connected with a first feed port of a finished product bucket elevator through a flange, a discharge port of the finished product bucket elevator is connected with a feed port of an electrohydraulic three-way chute through a flange, and two discharge ports of the electrohydraulic three-way chute are respectively connected with a feed port of a powder concentrator and a feed port of a dust powder bin through flanges; the discharging port of the finished sand chute of the powder concentrator is connected with the feeding port of the finished sand discharger through a flange, the discharging port of the finished sand discharger is connected with the feeding port of the finished sand scraper through a flange, the discharging port of the finished sand scraper is connected with the feeding port of the finished sand bin through a flange, the ash outlet of the ash chute at the lower end of the powder concentrator is connected with the feeding port of the ash discharger through a flange, and the discharging port of the ash discharger is connected with the feeding port of the ash bin through a flange;
an air inlet of the sand making dust remover is respectively connected with a dust collection port on a vibrating screen sealing cover, a feeding belt conveyor, a variable-frequency speed-regulating feeding belt conveyor, a pre-screen belt conveyor, a protective cover on a head funnel of an undersize belt conveyor and a guide chute through an air pipe; the two ash hoppers of the sand making dust remover are respectively connected with the feed inlet of the three-way chute through flanges, the discharge outlet of the three-way chute is connected with the feed inlet of the ash discharging valve through flanges, and the discharge outlet of the ash discharging valve is connected with the guide chute on the undersize belt conveyor through the chute;
the air inlet of the loading dust remover is respectively connected with dust collection openings of the dust powder bulk machine and the finished sand bulk machine through an air pipe; the ash outlet of the ash collecting hopper of the loading dust remover is connected with the feed inlet of the chute through a flange, the discharge outlet of the chute is connected with the feed inlet of the ash discharging valve through a flange, and the discharge outlet of the ash discharging valve is connected with the second feed inlet of the finished product bucket elevator through a flange.
The sand making feeding belt conveyor conveys raw materials with the grain diameter smaller than 50 mm to a sand making buffer bin, the raw materials are conveyed to a feeding hopper type elevator through a variable-frequency speed-regulating feeding belt conveyor below the sand making buffer bin, and the raw materials are conveyed to the sand making machine through a discharge port feeding chute of the feeding hopper type elevator for crushing; stone crushed by the sand making machine enters the vibration distributing machine through a first lower chute of the sand making machine and a second lower chute of the sand making machine, and is uniformly distributed on the vibrating screen through a chute of the vibration distributing machine and a feed inlet of a sealing cover of the vibrating screen; screening by a vibrating screen, enabling stones larger than 4.75 mm to enter a pre-screen chute, conveying the stones to a feeding hopper type elevator by a pre-screen belt conveyor, and enabling stones to enter a sand making machine again for crushing; screening by a vibrating screen, feeding stones smaller than 4.75 mm into an undersize hopper, conveying the stones into a finished product bucket elevator by an undersize belt conveyor, and feeding the stones into a powder selecting machine by an electrohydraulic three-way chute for powder selecting;
selecting powder by a powder selecting machine, and conveying finished product sand meeting the grading requirement to a finished product sand bin for storage by a finished product sand scraper through a finished product sand discharger under a finished product sand chute; and the ash powder which does not meet the grading requirement enters an ash powder bin through an ash powder discharger under an ash powder chute for storage.
The method comprises the steps that when the sand making dust remover operates, collected ash is discharged into two ash collecting hoppers, the ash is conveyed into a guide chute of an undersize belt conveyor through an ash discharge valve connected with a three-way chute, then is conveyed into a first feed inlet of a finished product bucket elevator through the undersize belt conveyor, is lifted and conveyed into an electro-hydraulic three-way chute through the finished product bucket elevator, when the powder selector operates, the electro-hydraulic three-way chute conveys the ash into the powder selector, and when the powder selector stops operating, the electro-hydraulic three-way chute conveys the ash into an ash bin;
the device comprises a loading dust remover, a dust collecting hopper, a dust discharging valve, a finished product bucket elevator, an electro-hydraulic three-way chute, a powder selecting machine, a powder discharging hopper, a powder discharging valve, a powder discharging hopper and a powder discharging hopper.
The sand making buffer bin is provided with a material level sensor, the starting and stopping of the sand making feeding belt conveyor are controlled through the material level sensor, when the set material level is not reached, the sand making feeding belt conveyor is started to convey materials into the sand making buffer bin, and when the set material level is reached, the sand making feeding belt conveyor is stopped;
an electronic belt scale is arranged on the belt conveyor before the screen, and the speed of the variable-frequency speed-regulating feeding belt conveyor is automatically controlled through a signal output by the electronic belt scale according to the quantity of returned materials on the belt conveyor before the screen so as to control the feeding quantity of raw materials; when the return quantity on the belt conveyor before the screen reaches the set upper limit, the speed of the variable-frequency speed-regulating feeding belt conveyor is automatically controlled by an output signal of the electronic belt scale to reduce the feeding quantity, and when the return quantity on the belt conveyor before the screen reaches the set lower limit, the speed of the variable-frequency speed-regulating feeding belt conveyor is automatically controlled by a signal of the electronic belt scale to increase the feeding quantity.
The invention adopts the building type arrangement, reduces the occupied area, is convenient for dust collection of a dust collector, adopts an intelligent system to control the whole machine-made sand production system, can fully exert the performance of the sand making machine, improves the production capacity and the quality of finished sand, is convenient for the modularized design of the machine-made sand production system, ensures that the machine-made sand production system is convenient for site construction while saving energy and protecting environment and reducing the cost, and provides an important basis for the standardized construction of the machine-made sand production system.
4. Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a view A-A of FIG. 1;
fig. 3 is a view in the direction K of fig. 1.
5. The specific embodiment is as follows:
the invention is further illustrated and described below with reference to the accompanying drawings and specific examples:
referring to fig. 1, 2 and 3, the names of the parts indicated by the respective reference numerals in the drawings are: 1 is a sand making feeding belt conveyor, 2 is a sand making buffer bin, 3 is a variable-frequency speed-regulating feeding belt conveyor, 4 is a feeding hopper type elevator, 5 is a feeding chute, 6 is a sand making machine, 7 is a sand making machine first lower chute, 8 is a sand making machine second lower chute, 9 is a vibration distributing machine, 10 is a vibration distributing machine chute, 11 is a vibration sieve sealing cover, 11-1 is a dust collecting opening on the vibration sieve sealing cover, 12 is a vibration sieve, 13 is a pre-sieve chute, 14 is an undersize hopper, 15 is a pre-sieve belt conveyor, 16 is an undersize belt conveyor, 17 is a finished product bucket type elevator, 17-1 is a finished product bucket type elevator first feed opening, 17-2 is a finished product bucket type elevator second feed opening, 18 is an electrohydraulic three-way chute 19 is a powder selecting machine, 20 is a finished product sand chute, 21 is a finished product sand discharger, 22 is a finished product sand scraper, 23 is an ash powder chute, 24 is an ash powder discharger, 25 is an ash powder bin, 26 is a finished product sand bin, 27 is a sand making dust remover, 27-1 is an air inlet of the sand making dust remover, 27-2 is two dust collecting hoppers of the sand making dust remover, 27-3 is a three-way chute of the sand making dust remover, 27-4 is an ash discharging valve of the sand making dust remover, 28 is a loading dust remover, 28-1 is an air inlet of the loading dust remover, 28-2 is an ash collecting hopper of the loading dust remover, 28-3 is a chute of the loading dust remover, 28-4 is an ash discharging valve of the loading dust remover, 29 is an ash powder scattering machine, and 30 is a finished product sand scattering machine.
Examples: the machine-made sand production system comprises a sand making feeding belt conveyor 1, a sand making buffer bin 2, a variable-frequency speed regulation feeding belt conveyor 3, a feeding hopper type lifting machine 4, a feeding chute 5, a sand making machine 6, a sand making machine first lower chute 7, a sand making machine second lower chute 8, a vibration distributing machine 9, a vibration distributing machine chute 10, a vibration screen sealing cover 11, a vibration screen 12, a pre-screen chute 13, a undersize hopper 14, a pre-screen belt conveyor 15, an undersize belt conveyor 16, a finished product bucket type lifting machine 17, an electrohydraulic three-way chute 18, a powder selecting machine 19, a finished product sand chute 20, a finished product sand discharger 21, a finished product sand scraper 22, a dust hopper 23, a dust discharger 24, a dust powder bin 25, a finished product sand bin 26, a sand making dust remover 27, a loading dust remover 28, a dust powder bulk machine 29 and a finished product sand bulk machine 30; wherein: the head hopper of the sand making feeding belt conveyor 1 is connected with the feed inlet of the sand making buffer bin 2 through a flange, a variable-frequency speed-regulating feeding belt conveyor 3 is arranged below the sand making buffer bin 2, the head hopper of the variable-frequency speed-regulating feeding belt conveyor 3 is connected with the feed inlet of the feeding hopper type lifter 4 through a flange, the discharge outlet of the feeding hopper type lifter 4 is connected with the feed chute 5 through a flange, and the discharge outlet of the feed chute 5 is connected with the feed inlet of the sand making machine 6 through a flange; the lower parts of two discharge ports of the sand making machine 6 are respectively connected with a first lower chute 7 of the sand making machine and a second lower chute 8 of the sand making machine through flanges, the discharge ports of the first lower chute 7 of the sand making machine and the second lower chute 8 of the sand making machine are respectively connected with two feed ports of the vibration distributor 9 through soft connection, the discharge port of the vibration distributor 9 is connected with a chute 10 of the vibration distributor through soft connection, the discharge port of the chute 10 of the vibration distributor is connected with the feed port on a sealing cover 11 of the vibration sieve through a flange, the sealing cover 11 of the vibration sieve is arranged above a sealing cover 12 of the vibration sieve, the sealing cover 11 of the vibration sieve is connected with the 12 of the vibration sieve through soft connection, a chute 13 before the sieve is correspondingly arranged at the discharge port of the chute 13 before the sieve is connected with a guide chute on a belt conveyor 15 before the sieve through a flange, and a hopper at the head of the belt conveyor 15 before the sieve is connected with the feed port of a hopper type lifting machine 4 through a flange; the lower part of the vibrating screen 12 is correspondingly provided with an undersize funnel 14, the vibrating screen 12 is connected with the undersize funnel 14 through soft connection, a discharge port of the undersize funnel 14 is connected with a guide chute on the undersize belt conveyor 16 through a flange, a head funnel of the undersize belt conveyor 16 is connected with a first feed port 17-1 of a finished product bucket elevator 17 through a flange, a discharge port of the finished product bucket elevator 17 is connected with a feed port of an electrohydraulic three-way chute 18 through a flange, and two discharge ports of the electrohydraulic three-way chute 18 are respectively connected with a feed port of a powder selector 19 and a feed port of a dust powder bin 25 through flanges; the discharge port of the finished sand chute 20 of the powder concentrator 19 is connected with the feed port of the finished sand discharger 21 through a flange, the discharge port of the finished sand discharger 21 is connected with the feed port of the finished sand scraper 22 through a flange, the discharge port of the finished sand scraper 22 is connected with the feed port of the finished sand bin 26 through a flange, the ash outlet of the ash chute 23 at the lower end of the powder concentrator 19 is connected with the feed port of the ash discharger 24 through a flange, and the discharge port of the ash discharger 24 is connected with the feed port of the ash bin 25 through a flange;
the air inlet 27-1 of the sand making dust remover 27 is respectively connected with a dust collection port 11-1 on the vibrating screen sealing cover 11, a feeding belt conveyor 1, a variable-frequency speed-regulating feeding belt conveyor 3, a pre-screen belt conveyor 15 and a protective cover and a guide chute on a head funnel of the under-screen belt conveyor 16 through air pipes; the two ash collecting hoppers 27-2 of the sand making dust remover 27 are respectively connected with the feed inlet of the three-way chute 27-3 through flanges, the discharge outlet of the three-way chute 27-3 is connected with the feed inlet of the ash discharging valve 27-4 through flanges, and the discharge outlet of the ash discharging valve 27-4 is connected with the guide chute on the undersize belt conveyor 16 through a chute;
the air inlet 28-1 of the loading dust remover 28 is respectively connected with the dust collection port of the dust powder bulk machine 29) and the finished product sand bulk machine 30 through an air pipe; the ash outlet of the ash collecting hopper 28-2 of the loading dust remover 28 is connected with the feed inlet of the chute 28-3 through a flange, the discharge outlet of the chute 28-3 is connected with the feed inlet of the ash discharging valve 28-4 through a flange, and the discharge outlet of the ash discharging valve 28-4 is connected with the second feed inlet 17-2 on the finished product bucket elevator 17 through a flange.
The sand making feeding belt conveyor 1 conveys raw materials with the grain diameter smaller than 50 mm to the sand making buffer bin 2, the raw materials are conveyed to the feeding hopper type lifter 4 through the variable-frequency speed-regulating feeding belt conveyor 3 below the sand making buffer bin 2, and the raw materials are conveyed to the sand making machine 6 for crushing through the discharge port feeding chute 5 of the feeding hopper type lifter 4; stone crushed by the sand making machine 6 enters the vibration distributor 9 through a first lower chute 7 of the sand making machine and a second lower chute 8 of the sand making machine, and is uniformly arranged on the vibrating screen 12 through a vibration distributing chute 10 and a feed inlet of a vibrating screen sealing cover 11; the stones with the diameters larger than 4.75 mm are sieved by a vibrating screen 12, enter a pre-sieve chute 13, are then conveyed into an upper hopper type lifter 4 by a pre-sieve belt conveyor 15, and enter a sand making machine 6 again for crushing; through screening by a vibrating screen 12, stones smaller than 4.75 mm enter an undersize hopper 14, are conveyed into a finished product bucket elevator 17 by an undersize belt conveyor 16, and enter a powder selector 19 through an electrohydraulic three-way chute 18 for powder selection;
powder is selected by a powder selecting machine 19, and finished sand meeting the grading requirement is conveyed to a finished sand storage bin 26 for storage by a finished sand scraper 22 through a finished sand discharger 21 under a finished sand chute 20; the ash powder which does not meet the grading requirement enters an ash powder bin 25 for storage through an ash powder discharger 24 under an ash powder chute 23.
The sand making dust remover 27 discharges the collected ash into two ash collecting hoppers 27-2 when running, the ash is conveyed into a guide chute of the undersize belt conveyor 16 through an ash discharging valve 27-4 connected with a three-way chute 27-3, and then conveyed into a first feed inlet 17-1 of a finished product bucket elevator 17 through the undersize belt conveyor 16, and conveyed into an electro-hydraulic three-way chute 18 through the finished product bucket elevator 17 in a lifting manner, when the powder selector 19 runs, the electro-hydraulic three-way chute 18 conveys the ash into the powder selector 19, and when the powder selector 19 stops running, the electro-hydraulic three-way chute 18 conveys the ash into an ash hopper 25;
the dust collector 28 is operated to discharge the collected dust into the dust collecting hopper 28-2, the dust is conveyed into the second feed inlet 17-2 of the finished product bucket elevator 17 through the dust discharging valve 28-4 connected with the discharge port of the chute 28-3, the dust is lifted and conveyed to the electro-hydraulic three-way chute 18 through the finished product bucket elevator 17, the electro-hydraulic three-way chute 18 conveys the dust into the powder selecting machine 19 when the powder selecting machine 19 is operated, and the electro-hydraulic three-way chute 18 conveys the dust into the dust hopper 25 when the powder selecting machine 19 is stopped.
The sand making buffer bin 2 is provided with a material level sensor, the starting and stopping of the sand making feeding belt conveyor 1 are controlled through the material level sensor, when the set material level is not reached, the sand making feeding belt conveyor 1 is started to convey materials into the sand making buffer bin 2, and when the set material level is reached, the sand making feeding belt conveyor 1 is stopped to be started;
an electronic belt scale is arranged on the belt conveyor 15 before the screen, and the speed of the variable-frequency speed-regulating feeding belt conveyor 3 is automatically controlled by a signal output by the electronic belt scale according to the quantity of returned materials on the belt conveyor 15 before the screen so as to control the feeding quantity of raw materials; when the material returning quantity on the belt conveyor 15 before the screen reaches the set upper limit, the speed of the variable-frequency speed-regulating feeding belt conveyor 3 is automatically controlled to be reduced by the output signal of the electronic belt scale to reduce the material feeding quantity, and when the material returning quantity on the belt conveyor 15 before the screen reaches the set lower limit, the speed of the variable-frequency speed-regulating feeding belt conveyor 3 is automatically controlled to be increased by the signal of the electronic belt scale to increase the material feeding quantity.
The invention adopts the building type arrangement, reduces the occupied area, is convenient for dust collection of a dust collector, adopts an intelligent system to control the whole machine-made sand production system, can fully exert the performance of the sand making machine, improves the production capacity and the quality of finished sand, is convenient for the modularized design of the machine-made sand production system, ensures that the machine-made sand production system is convenient for site construction while saving energy and protecting environment and reducing the cost, and provides an important basis for the standardized construction of the machine-made sand production system.
Claims (1)
1. A machine-made sand production system, characterized in that: the machine-made sand production system comprises a sand making feeding belt conveyor (1), a sand making buffer bin (2), a variable-frequency speed-regulating feeding belt conveyor (3), a feeding hopper type elevator (4), a feeding chute (5), a sand making machine (6), a sand making machine first lower chute (7), a sand making machine second lower chute (8), a vibration distributing machine (9), a vibration distributing machine chute (10), a vibration sieve sealing cover (11), a vibration sieve (12), a pre-sieve chute (13), a undersize funnel (14), a pre-sieve belt conveyor (15), an undersize belt conveyor (16), a finished product bucket type elevator (17), an electrohydraulic three-way chute (18), a powder selecting machine (19), a finished product sand chute (20), a finished product sand unloader (21), a finished product sand scraper (22), a dust chute (23), a dust powder unloader (24), a dust powder bin (25), a finished product sand bin (26), a sand making dust remover (27), a loading dust remover (28), a dust dispersing machine (29) and a finished product sand bulk machine (30); the sand making and feeding belt conveyor comprises a head hopper of a sand making feeding belt conveyor (1) and a feeding port of a sand making buffer bin (2), wherein the lower part of the sand making buffer bin (2) is provided with a variable-frequency speed-regulating feeding belt conveyor (3), the head hopper of the variable-frequency speed-regulating feeding belt conveyor (3) is connected with a feeding port of a feeding hopper type lifter (4) through a flange, a discharging port of the feeding hopper type lifter (4) is connected with a feeding chute (5) through a flange, and a discharging port of the feeding chute (5) is connected with a feeding port of a sand making machine (6) through a flange; the two discharging holes of the sand making machine (6) are respectively connected with a first lower chute (7) of the sand making machine and a second lower chute (8) of the sand making machine through flanges, the discharging holes of the first lower chute (7) of the sand making machine and the second lower chute (8) of the sand making machine are respectively connected with two feeding holes of the vibrating distributor (9) through soft connection, the discharging holes of the vibrating distributor (9) are connected with a vibrating distributor chute (10) through soft connection, the discharging holes of the vibrating distributor chute (10) are connected with the feeding holes on a vibrating screen sealing cover (11) through flanges, the vibrating screen sealing cover (11) is arranged above a vibrating screen (12), the discharging holes of the vibrating screen sealing cover (11) are connected with the vibrating screen (12) through soft connection, the discharging holes of the vibrating screen (12) are correspondingly provided with front chute (13) through flanges, and the discharging holes of the front belt conveyor (15) are connected with the feeding holes of a hopper of the upper belt conveyor (4) through flanges; the lower part of the vibrating screen (12) is correspondingly provided with an undersize funnel (14), the vibrating screen (12) is connected with the undersize funnel (14) through soft connection, a discharge port of the undersize funnel (14) is connected with a guide chute on the undersize belt conveyor (16) through a flange, a head funnel of the undersize belt conveyor (16) is connected with a first feed port (17-1) of a finished product bucket elevator (17) through a flange, a discharge port of the finished product bucket elevator (17) is connected with a feed port of an electrohydraulic three-way chute (18) through a flange, and two discharge ports of the electrohydraulic three-way chute (18) are respectively connected with a feed port of a powder selector (19) and a feed port of a dust powder bin (25) through flanges; the device comprises a finished sand chute (20) of a powder selector (19), a finished sand discharger (21), a finished sand scraper (22), a finished sand hopper (26) and a powder hopper (23), wherein the discharge port of the finished sand chute (19) is connected with the feed port of the finished sand discharger (21) through a flange; an air inlet (27-1) of the sand making dust remover (27) is respectively connected with a dust collection port (11-1) on a vibrating screen sealing cover (11), a feeding belt conveyor (1), a variable-frequency speed-regulating feeding belt conveyor (3), a pre-screen belt conveyor (15) and a protective cover and a guide chute on a head funnel of a undersize belt conveyor (16) through air pipes; the two ash hoppers (27-2) of the sand making dust remover (27) are respectively connected with the feed inlet of the three-way chute (27-3) through flanges, the discharge outlet of the three-way chute (27-3) is connected with the feed inlet of the ash discharging valve (27-4) through flanges, and the discharge outlet of the ash discharging valve (27-4) is connected with the guide chute on the undersize belt conveyor (16) through a chute; an air inlet (28-1) of the loading dust remover (28) is respectively connected with dust collection openings of the ash powder bulk machine (29) and the finished sand bulk machine (30) through an air pipe; the ash outlet of an ash collecting hopper (28-2) of the loading dust remover (28) is connected with the feed inlet of a chute (28-3) through a flange, the discharge outlet of the chute (28-3) is connected with the feed inlet of an ash discharging valve (28-4) through a flange, and the discharge outlet of the ash discharging valve (28-4) is connected with a second feed inlet (17-2) on a finished product bucket elevator (17) through a flange;
the sand making feeding belt conveyor (1) conveys raw materials with the grain diameter smaller than 50 mm to the sand making buffer bin (2), the raw materials are conveyed to the feeding hopper type lifter (4) through the variable-frequency speed-regulating feeding belt conveyor (3) below the sand making buffer bin (2), and the raw materials are conveyed to the sand making machine (6) through the discharge port feeding chute (5) of the feeding hopper type lifter (4) for crushing; stone crushed by the sand making machine (6) enters the vibration distributing machine (9) through a first lower chute (7) of the sand making machine and a second lower chute (8) of the sand making machine, and is uniformly distributed on the vibrating screen (12) through a vibration distributing chute (10) and a feed inlet of a vibrating screen sealing cover (11); screening by a vibrating screen (12), enabling stones larger than 4.75 mm to enter a pre-screen chute (13), then conveying the stones into an upper hopper type lifting machine (4) by a pre-screen belt conveyor (15), and enabling stones to enter a sand making machine (6) again for crushing; screening by a vibrating screen (12), feeding stones smaller than 4.75 mm into an undersize hopper (14), conveying the stones into a finished product bucket elevator (17) by an undersize belt conveyor (16), and feeding the stones into a powder selecting machine (19) by an electrohydraulic three-way chute (18) for powder selecting; selecting powder through a powder selecting machine (19), and conveying finished sand meeting the grading requirement to a finished sand storage bin (26) for storage through a finished sand discharger (21) under a finished sand chute (20) by a finished sand scraper (22); the ash powder which does not meet the grading requirement enters an ash powder bin (25) for storage through an ash powder discharger (24) under an ash powder chute (23);
the sand making dust remover (27) discharges collected ash into two ash collecting hoppers (27-2) during operation, ash is conveyed into a guide chute of an undersize belt conveyor (16) through an ash discharging valve (27-4) connected with a three-way chute (27-3), then is conveyed into a first feed inlet (17-1) of a finished product bucket elevator (17) through the undersize belt conveyor (16), and is lifted and conveyed into an electro-hydraulic three-way chute (18) through the finished product bucket elevator (17), when the powder selector (19) operates, the electro-hydraulic three-way chute (18) conveys ash into the powder selector (19), and when the powder selector (19) stops operating, the electro-hydraulic three-way chute (18) conveys ash into an ash bin (25); the device comprises a loading dust collector (28), a dust collecting hopper (28-2), a dust discharging valve (28-4), a finished product bucket elevator (17), an electro-hydraulic three-way chute (18), a powder selecting machine (19), an electro-hydraulic three-way chute (18) and a dust feeding hopper (25), wherein the collected dust is discharged into the dust collecting hopper (28-2) when the loading dust collector (28) operates, the dust is conveyed into the second feeding port (17-2) of the finished product bucket elevator (17) through the dust discharging valve (28-4) connected with a discharging port of the chute (28-3), the electro-hydraulic three-way chute (18) is lifted and conveyed into the electro-hydraulic three-way chute (18) when the powder selecting machine (19) operates, and the electro-hydraulic three-way chute (18) conveys the dust into the dust selecting machine (19) when the powder selecting machine (19) stops operating;
the sand making buffer bin (2) is provided with a material level sensor, the starting and stopping of the sand making feeding belt conveyor (1) are controlled through the material level sensor, when the set material level is not reached, the sand making feeding belt conveyor (1) is started to convey materials into the sand making buffer bin (2), and when the set material level is reached, the sand making feeding belt conveyor (1) is stopped to be started; an electronic belt scale is arranged on the belt conveyor (15) before the screen, and the speed of the variable-frequency speed-regulating feeding belt conveyor (3) is automatically controlled by a signal output by the electronic belt scale according to the quantity of returned materials on the belt conveyor (15) before the screen to control the feeding quantity of raw materials; when the material returning quantity on the belt conveyor (15) before the screen reaches the set upper limit, the speed of the variable-frequency speed-regulating feeding belt conveyor (3) is automatically controlled to be reduced by the output signal of the electronic belt scale to reduce the material feeding quantity, and when the material returning quantity on the belt conveyor (15) before the screen reaches the set lower limit, the speed of the variable-frequency speed-regulating feeding belt conveyor (3) is automatically controlled to be increased by the signal of the electronic belt scale to increase the material feeding quantity.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110893374A (en) * | 2019-11-26 | 2020-03-20 | 成都市玄戈自动化控制技术有限公司 | Sand making system for mixing and screening raw materials and finished materials |
| CN111977389A (en) * | 2020-07-31 | 2020-11-24 | 金川集团股份有限公司 | Powder material lifting system |
| CN112156878A (en) * | 2020-09-30 | 2021-01-01 | 成都大宏立机器股份有限公司 | Environment-friendly sand making building for increasing yield and sand making process |
| CN112206911A (en) * | 2020-10-29 | 2021-01-12 | 怀化明达建材有限公司 | Sand making system and sand making method |
| CN116078510A (en) * | 2022-11-23 | 2023-05-09 | 苏州金远胜智能装备股份有限公司 | Explosion-proof jet milling system and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549619A (en) * | 2014-11-20 | 2015-04-29 | 浙江双金机械集团股份有限公司 | Dry-method sand making production line and sand making method |
| CN104907151A (en) * | 2015-05-11 | 2015-09-16 | 江苏天沃重工科技有限公司 | Storied building type sand production line and sand production method thereof |
| CN105855026A (en) * | 2016-05-04 | 2016-08-17 | 枣庄市金山机械有限公司 | Building type sand making system |
-
2018
- 2018-07-12 CN CN201810761404.0A patent/CN108722639B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549619A (en) * | 2014-11-20 | 2015-04-29 | 浙江双金机械集团股份有限公司 | Dry-method sand making production line and sand making method |
| CN104907151A (en) * | 2015-05-11 | 2015-09-16 | 江苏天沃重工科技有限公司 | Storied building type sand production line and sand production method thereof |
| CN105855026A (en) * | 2016-05-04 | 2016-08-17 | 枣庄市金山机械有限公司 | Building type sand making system |
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