CN103085172A - Processing system capable of adjusting fineness modulus of natural sand and processing method thereof - Google Patents
Processing system capable of adjusting fineness modulus of natural sand and processing method thereof Download PDFInfo
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- CN103085172A CN103085172A CN2013100189964A CN201310018996A CN103085172A CN 103085172 A CN103085172 A CN 103085172A CN 2013100189964 A CN2013100189964 A CN 2013100189964A CN 201310018996 A CN201310018996 A CN 201310018996A CN 103085172 A CN103085172 A CN 103085172A
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Abstract
The invention relates to a processing system capable of adjusting the fineness modulus of natural sand. The processing system comprises a receiver bin, wherein a bar type feeder is arranged below the receiver bin; the lower part of a screen of the bar type feeder is connected with a semi-finished product storage yard through a first adhesive tape machine; the upper part of the screen of the bar type feeder is connected with a jaw crusher; a discharging hole of the jaw crusher is connected with the semi-finished product storage yard through the first adhesive tape machine; a second adhesive tape machine is arranged at the lower part of the semi-finished product storage yard; a plurality of multi-layer circular vibration screens are arranged below the second adhesive tape machine; a plurality of finished product storage yards are arranged at the lower parts of the plurality of multi-layer circular vibration screens; concrete aggregates with different grain diameter ranges can be respectively obtained in the plurality of finished product storage yards; and a water facility, a rod mill and a waste water treatment facility are also arranged on the system. According to the system, with the premise of not changing the natural grading yield of the natural sand, the fineness modulus of the natural sand is effectively controlled; the waste caused by excess sand materials because of improving the yield of the sand is avoided; the quality of the sand is improved; and furthermore, the operation cost of the whole system is also reduced.
Description
Technical field
The invention belongs to concrete natural aggregate system of processing and processing method thereof.
Background technology
Modulus of fineness is an important indicator weighing the quality of sand, directly has influence on concrete workability, intensity, impermeability and durability index.It is 2.4～2.8 that existing job specfication requires the modulus of fineness of sand.
Be subjected to the prior art conditionality, the modulus of fineness adjusting process of sand and method or complexity cause construction investment and operating cost to strengthen; Technique simply falls flat, and causes the quality of production of finished sand not meet the demands.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system of processing and construction method of capable of regulating natural sand modulus of fineness; adopt technique can either satisfy the quality requirement of aggregate; easy operating again; being conducive to simultaneously reduce resource drops into; reduce construction investment and be conducive to energy-saving and emission-reduction and environmental protection, especially the modulus of fineness of finished sand is able to flexible adjustment.
The technical solution used in the present invention:
A kind of system of processing of capable of regulating natural sand modulus of fineness, it comprises receiver bin, receiver bin is arranged with rod formula batcher, be connected with the semi-finished product stockyards by the first sealing-tape machine under the sieve of rod formula batcher, be connected with jaw crusher on the sieve of rod formula batcher, the discharge gate of jaw crusher is connected with the semi-finished product stockyards by the first sealing-tape machine; Bottom, described semi-finished product stockyard is provided with the second sealing-tape machine, and the below of the second sealing-tape machine is provided with many multilayer circular shale shakers, and many multilayer circular shale shaker bottoms are provided with a plurality of finished products stockyards, and a plurality of finished products can obtain the aggregate of different-grain diameter scope respectively in the stockyard; This system also is provided with water facilities, rod mill and waste water disposal facility, and water facilities is sprayed, the compass screen surface of many multilayer circular shale shakers sprayed rush Xian and to carrying out water filling rod milling sand processed in the rod mill crusher chamber the storehouse face of the receiver bin of system respectively; The waste water unification that produces in system converges to waste water disposal facility and processes, and the water circulation after processing is applied to the system of processing industrial water.
The top of above-mentioned the second sealing-tape machine one end is provided with tramp iron separator.
Above-mentioned many three layers of circular shale shaker are 2 three layers of circular shale shakers, and 2 three layers of circular shale shaker upper-lower positions set gradually, and the ground floor of three layers of circular shale shaker of First is connected with the first condiment storehouse by the 3rd sealing-tape machine; The upper aggregate of the second layer of three layers of circular shale shaker of First sieve divides two-way, and the 3rd sealing-tape machine and first of leading up to is regulated feed bin and is connected, and another road is passed through the 5th sealing-tape machine and is connected with the first finished product stockyard; On the 3rd layer of sieve of three layers of circular shale shaker of First, aggregate is connected with the second finished product stockyard by the 6th sealing-tape machine; Described first regulates and to be provided with the frequency conversion type electromagnetic feeder below feed bin, the frequency conversion type electromagnetic feeder with in broken gyratory crusher be connected, in the discharge gate of broken gyratory crusher be connected with the second sealing-tape machine.
Be connected with second three layers of circular shale shaker under the 3rd layer of sieve of three layers of circular shale shaker of above-mentioned First, the upper aggregate of the ground floor of second three layers of circular shale shaker sieve is connected with the 3rd finished product stockyard by the 7th sealing-tape machine; The upper aggregate of the second layer of second three layers of circular shale shaker sieve is connected with the 4th finished product stockyard by the 8th sealing-tape machine; Regulating feed bin by the 9th sealing-tape machine and second on the 3rd layer of sieve of second three layers of circular shale shaker is connected, second three layers of circular shale shaker sieve has first spiral Xian sand machine, discharging opening at first spiral Xian sand machine is provided with the first dewatering screen, is provided with successively the tenth sealing-tape machine and the 11 sealing-tape machine under the first dewatering screen; Be provided with the electric cambered door below described the second adjusting feed bin, the electric cambered door is connected with rod mill by the 12 sealing-tape machine, the discharge gate of rod mill is connected with second spiral Xian sand machine, the discharge gate of second spiral Xian sand machine is connected with the second dewatering screen, and the discharging opening of the second dewatering screen is connected with the fifty percentth product stockyard by the 11 sealing-tape machine and the 13 sealing-tape machine.
Also be provided with sand scraper in said system, intrasystem factory effluent unification converges to sand scraper and carries out the fine sand recovery, fine sand after recovery is divided into two-way, the 4th sealing-tape machine of leading up to enters the rejected material stockyard and stores up, and another road enters the 11 sealing-tape machine and carries out entering after blending the 5th finished sand stockyard and store up.
Utilize the processing method of the system of processing of above-mentioned arbitrary capable of regulating natural sand modulus of fineness, it comprises the steps:
1), in natural sand gravel stock ground a plurality of mining areas of planning, design the exploitation ratio in each exploiting field according to the grating difference of each mining area, carry out Methodistic exploitation, to guarantee to enter the exploitation woollen grating even thickness of system of processing;
2), the natural sand gravel material from excavation is unloaded to rod formula batcher by the discharge gate that dump truck is transported to receiver bin, on grizzly feeder sieve 〉=gravel material of 150mm is delivered to the jaw crushing crusher machine through rod formula batcher, under the gravel material after fragmentation sieves with grizzly feeder≤sand gravel material of 150mm converges to the first sealing-tape machine through discharge funnel and is transported to the semi-finished product material stockyard and stores up;
3), have a plurality of discharge ports in the semi-finished product material stockyard, a frequency conversion type electromagnetic feeder is installed accordingly under each discharge port, by the frequency conversion type electromagnetic feeder, the semi-finished product sand gravel material source of storing up on the semi-finished product material stockyard is unloaded to the second sealing-tape machine;
4), for prevent the mixed ironwares such as bucket tooth that have air drill drill bit in material source and an excavator damage intrasystem in broken gyratory crusher, at the head of the second sealing-tape machine, tramp iron separator is installed, to reject mixed drill bit in material source and the ironwares such as bucket tooth of excavator of existing;
5), the second sealing-tape machine semi-finished product that will load are delivered to three layers of circular shale shaker of First and rush Xian's screening, on the ground floor sieve＞sand gravel material of 150mm by the 3rd sealing-tape machine be delivered to first regulate feed bin store up with in broken gyratory crusher, the second sealing-tape machine form the closed circuit fragmentation of carrying out;
6), the upper 80～150mm aggregate of the second layer of three layers of circular shale shaker of First sieve divides two-way, the 3rd sealing-tape machine of leading up to is delivered to the first adjusting feed bin and stores up, and with in broken gyratory crusher, the second sealing-tape machine form the closed circuit fragmentation of carrying out; It is that store up in the first finished product stockyard of 80～150mm that another road is delivered to particle diameter by the 5th sealing-tape machine;
7), to be 40～80mm aggregate be delivered to the second finished sand stockyard by the 6th sealing-tape machine the 3rd of three layers of circular shale shaker of First the layer of oversize particle footpath stores up;
8), to be 20～40mm aggregate be delivered to the 3rd finished product stockyard by the 7th sealing-tape machine in the ground floor oversize particle footpath of second three layers of circular shale shaker stores up;
9), to be 5～20mm aggregate be delivered to the 4th finished product stockyard by the 8th sealing-tape machine in the second layer oversize particle footpath of second three layers of circular shale shaker stores up;
10), to be 3～5mm aggregate be delivered to second by the 9th sealing-tape machine the 3rd of second three layers of circular shale shaker the layer of oversize particle footpath regulates feed bin and stores up, second regulates feed bin divides into electronic arc door, and regulating particle diameter in feed bin by electronic arc goalkeeper second is that 3～5mm coarse sand is delivered to the 12 sealing-tape machine and then is delivered to rod mill sand processed; Enter second spiral Xian sand machine through the mach sand material of rod milling, enter the second dewatering screen through the sand material after second spiral Xian sand machine Xian Xuan, enter the finished sand stockyard after mixing by the 11 sealing-tape machine and the 13 sealing-tape machine through the sand material after the second dewatering screen dehydration and store up;
11), the 3rd of second three layers of circular shale shaker the layer of undersize footpath≤3mm sand material enters first spiral Xian sand machine by funnel, enter the first dewatering screen through the sand material after first spiral Xian sand machine Xian Xuan, through the sand material after the first dewatering screen dehydration with enter the finished sand stockyard after the sand material of rod milling mechanism mixes by the tenth sealing-tape machine, the 11 sealing-tape machine and the 13 sealing-tape machine and store up.
The technique effect that the present invention obtains:
1, system does not change under the front topic of output of natural sand natural grading, realizes effectively controlling the modulus of fineness of natural sand, and the output of having avoided increasing sand causes sand material surplus to cause rejected material, has both improved the quality of sand, has reduced again the operating cost of whole system.
2, the coarse sand of selecting 3～5mm particle diameter has reduced rod mill operation rod iron loss and energy consumption effectively as rod milling mechanism sandy plain material.
3, the exploitation material source outside system is controlled, and realizes thickness grating collocation, has both improved the production efficiency of system, has guaranteed again the effect that the modulus of fineness of sand can be adjusted flexibly.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
Referring to Fig. 1, a kind of system of processing of capable of regulating natural sand modulus of fineness, it comprises receiver bin 1, receiver bin is arranged with rod formula batcher 2, be connected with semi-finished product stockyard 5 by the first sealing-tape machine 4 under the sieve of rod formula batcher, be connected with jaw crusher 3 on the sieve of rod formula batcher, the discharge gate of jaw crusher 3 is connected with semi-finished product stockyard 5 by the first sealing-tape machine 4; 5 bottoms, described semi-finished product stockyard are provided with the second sealing-tape machine 8, the below of the second sealing-tape machine 8 is provided with many multilayer circular shale shakers 9,16, many multilayer circular shale shaker bottoms are provided with a plurality of finished products stockyard 34,35,36,37,38, and a plurality of finished products can obtain the aggregate of different-grain diameter scope respectively in the stockyard; This system also is provided with water facilities 33, rod mill 23 and waste water disposal facility 32, and water facilities is sprayed, many multilayer circular shale shakers 9,16 compass screen surface sprayed rush Xian and to carrying out water filling rod milling sand processed in rod mill 23 crusher chamber the storehouse face of the receiver bin 1 of system respectively; The waste water unification that produces in system converges to waste water disposal facility 32 and processes, and the water circulation after processing is applied to the system of processing industrial water.
The top of described the second sealing-tape machine 8 one ends is provided with tramp iron separator 7.
Described many three layers of circular shale shaker are that 2 three layers of circular shale shakers 9,16,2 three layers of circular shale shaker upper-lower positions set gradually, and the ground floor of three layers of circular shale shaker 9 of First is connected with the first condiment storehouse 11 by the 3rd sealing-tape machine 10; The upper aggregate of the second layer of three layers of circular shale shaker 9 of First sieve divides two-way, and the 3rd sealing-tape machine 10 and first of leading up to is regulated feed bin 11 and is connected, and another road is passed through the 5th sealing-tape machine 14 and is connected with the first finished product stockyard 34; On the 3rd layer of sieve of three layers of circular shale shaker 9 of First, aggregate is connected with the second finished product stockyard 35 by the 6th sealing-tape machine 15; Described first regulates and to be provided with frequency conversion type electromagnetic feeder 12 below feed bin 11, the frequency conversion type electromagnetic feeder with in broken gyratory crusher 13 be connected, in the discharge gate of broken gyratory crusher 13 be connected with the second sealing-tape machine 8.
Be connected with second three layers of circular shale shaker 16 under the 3rd layer of sieve of three layers of circular shale shaker 9 of First, the upper aggregate of the ground floor of second three layers of circular shale shaker 16 sieve is connected with the 3rd finished product stockyard 36 by the 7th sealing-tape machine 17; The upper aggregate of the second layer of second three layers of circular shale shaker 16 sieve is connected with the 4th finished product stockyard 37 by the 8th sealing-tape machine 18; Regulating feed bin 20 by the 9th sealing-tape machine 19 and second on the 3rd layer of sieve of second three layers of circular shale shaker 16 is connected, second three layers of circular shale shaker, 16 sieve has first spiral Xian sand machine 26, be provided with under the first dewatering screen 27, the first dewatering screens at the discharging opening of first spiral Xian sand machine 26 and be provided with successively the tenth sealing-tape machine 28 and the 11 sealing-tape machine 29; Be provided with electric cambered door 21 below described the second adjusting feed bin 20, the electric cambered door is connected with rod mill 23 by the 12 sealing-tape machine 22, the discharge gate of rod mill 23 is connected with second spiral Xian sand machine 24, the discharge gate of second spiral Xian sand machine 24 is connected with the second dewatering screen 25, and the discharging opening of the second dewatering screen 25 is connected with the fifty percentth product stockyard 38 by the 11 sealing-tape machine 29 and the 13 sealing-tape machine 30.
Also be provided with sand scraper 31 in this system, intrasystem factory effluent unification converges to sand scraper 31 and carries out the fine sand recovery, fine sand after recovery is divided into two-way, the 4th sealing-tape machine 39 of leading up to enters rejected material stockyard 40 and stores up, and another road enters the 11 sealing-tape machine 29 and carries out entering after blending the 5th finished sand stockyard 38 and store up.
The processing method of the system of processing of capable of regulating natural sand modulus of fineness comprises the steps:
1), in natural sand gravel stock ground a plurality of mining areas of planning, design the exploitation ratio in each exploiting field according to the grating difference of each mining area, carry out Methodistic exploitation, to guarantee to enter the exploitation woollen grating even thickness of system of processing;
2), the natural sand gravel material from excavation is unloaded to rod formula batcher 2 by the discharge gate that dump truck is transported to receiver bin 1, on grizzly feeder sieve 〉=gravel material of 150mm is delivered to jaw crusher 3 fragmentations through rod formula batcher 2, under the gravel material after fragmentation sieves with grizzly feeder≤sand gravel material of 150mm converges to the first sealing-tape machine 4 through discharge funnel and is transported to semi-finished product material stockyard 5 and stores up;
3), 5 have a plurality of discharge ports in the semi-finished product material stockyard, a frequency conversion type electromagnetic feeder 6 is installed under each discharge port accordingly, by frequency conversion type electromagnetic feeder 6, the semi-finished product sand gravel material source of storing up on semi-finished product material stockyard 5 is unloaded to the second sealing-tape machine 8;
4), for prevent the mixed ironwares such as bucket tooth that have air drill drill bit in material source and an excavator damage intrasystem in broken gyratory crusher 13, head at the second sealing-tape machine 8 is equipped with tramp iron separator 7, to reject mixed drill bit in material source and the ironwares such as bucket tooth of excavator of existing;
5), the second sealing-tape machine 8 semi-finished product that will load are delivered to three layers of circular shale shaker 9 of First and rush Xian's screening, on the ground floor sieve＞sand gravel material of 150mm by the 3rd sealing-tape machine 10 be delivered to first regulate feed bin 11 store up with in broken gyratory crusher 13, the second sealing-tape machine 8 form the closed circuit fragmentation of carrying out;
6), the upper 80～150mm aggregate of the second layer of three layers of circular shale shaker 9 of First sieve divides two-way, the 3rd sealing-tape machine 10 of leading up to is delivered to first and regulates feed bin 11 and store up, and with in broken gyratory crusher 13, the second sealing-tape machine 8 formation are closed circuit carries out fragmentation; It is that store up in the first finished product stockyard 34 of 80～150mm that another road is delivered to particle diameter by the 5th sealing-tape machine 14;
7), to be 40～80mm aggregate be delivered to the second finished sand stockyard 35 by the 6th sealing-tape machine 15 the 3rd of three layers of circular shale shaker 9 of First the layer of oversize particle footpath stores up;
8), to be 20～40mm aggregate be delivered to the 3rd finished product stockyard 36 by the 7th sealing-tape machine 17 in the ground floor oversize particle footpath of second three layers of circular shale shaker 16 stores up;
9), to be 5～20mm aggregate be delivered to the 4th finished product stockyard 37 by the 8th sealing-tape machine 18 in the second layer oversize particle footpath of second three layers of circular shale shaker 16 stores up;
10), to be 3～5mm aggregate be delivered to second by the 9th sealing-tape machine 19 the 3rd of second three layers of circular shale shaker 16 the layer of oversize particle footpath regulates feed bin 20 and stores up, second regulates feed bin 20 divides into electronic arc door 21, and regulating particle diameters in feed bin 20 by electronic arc door 21 with second is that 3～5mm coarse sand is delivered to the 12 sealing-tape machine 22 and then is delivered to rod mill 23 sand processed; Sand material through rod mill 23 processing enters second spiral Xian sand machine 24, enter the second dewatering screen 25 through the sand material after second spiral Xian sand machine 24 Xian Xuan, enter the finished sand stockyard after mixing by the 11 sealing-tape machine 29 and the 13 sealing-tape machine 30 through the sand material after the second dewatering screen 25 dehydration and store up;
11), the 3rd of second three layers of circular shale shaker 16 the layer of undersize footpath≤3mm sand material enters first spiral Xian sand machine 26 by funnel, enter the first dewatering screen 27 through the sand material after first spiral Xian sand machine 26 Xian Xuan, enter the finished sand stockyard after the sand material of making through the sand material after the first dewatering screen 27 dehydration and rod mill 23 mixes by the tenth sealing-tape machine 28, the 11 sealing-tape machine 29 and the 13 sealing-tape machine 30 and store up.
Adopt above-mentioned step and adopt the modulus of fineness of following method sand to be able to effective adjustment:
A, consider that rushing Xian and the spiral Xian sand machine sand material fine sand in water Xian process through the three-deck vibrating screen aggregate runs off, thereby cause the modulus of fineness of sand bigger than normal, thereby be provided with many sand scrapers in system.In process of production, intrasystem factory effluent unification converges to and carries out the fine sand recovery in sand scraper.Fine sand after recovery is divided into two-way, and the sealing-tape machine 39 of leading up to enters the rejected material stockyard and stores up, and another road enters the 11 sealing-tape machine 29 and carries out entering after blending the 5th finished sand stockyard and store up.Enter the size of the fine sand flow of two-way, can according to the test situation of finished sand modulus of fineness, determine to enter the yield of fine sand in finished product.
B, the convenient modulus of fineness of adjusting sand of consideration are selected three layers of screen cloth at second circular shale shaker 16 of main screening, and the screen cloth of one deck 3mm is set, and general≤5mm sand material is divided into 3～5mm and 0～3mm two-stage, and 3～5mm coarse sand is transported to the rod milling Machine-made Sand by sealing-tape machine; The modulus of fineness of rod milling Machine-made Sand can be realized flexible adjustment by dress rod iron amount, rod mill inlet amount and the confluent of adjusting rod grinding machine.
C, the modulus of fineness adjustment of sand for convenience, the 3rd layer of screen cloth of replaceable second circular shale shaker 16, can select respectively the screen cloth of 2.5 mm, 2.8 mm, 3mm, 3.5 mm according to the production requirement of the modulus of fineness of sand, can satisfy the production requirement of finished sand modulus of fineness.
The confluent size of d, employing conversion first spiral Xian sand machine 26 and second spiral Xian sand machine 24, and the size of the revolution speed of screw of the screw diameter by changing spiral Xian sand machine and spiral Xian sand machine, what of spill-out of fine sand in spiral Xian sand machine Xian sand process can be effectively controlled, thereby the size of the modulus of fineness of sand can be effectively adjusted.
E, employing said method can be adjusted at the modulus of fineness of finished sand between 2.4～2.8.
Claims (6)
1. the system of processing of a capable of regulating natural sand modulus of fineness, it is characterized in that: it comprises receiver bin (1), receiver bin is arranged with rod formula batcher (2), be connected with semi-finished product stockyards (5) by the first sealing-tape machine (4) under the sieve of rod formula batcher, be connected with jaw crusher (3) on the sieve of rod formula batcher, the discharge gate of jaw crusher (3) is connected with semi-finished product stockyards (5) by the first sealing-tape machine (4); Bottom, described semi-finished product stockyard (5) is provided with the second sealing-tape machine (8), the below of the second sealing-tape machine (8) is provided with many multilayer circular shale shakers (9,16), many multilayer circular shale shaker bottoms are provided with a plurality of finished products stockyards (34,35,36,37,38), and a plurality of finished products can obtain the aggregate of different-grain diameter scope respectively in the stockyard; This system also is provided with water facilities (33), rod mill (23) and waste water disposal facility (32), and water facilities is sprayed, the compass screen surface of many multilayer circular shale shakers (9,16) sprayed rush Xian and to carrying out water filling rod milling sand processed in rod mill (23) crusher chamber the storehouse face of the receiver bin (1) of system respectively; The waste water unification that produces in system converges to waste water disposal facility (32) and processes, and the water circulation after processing is applied to the system of processing industrial water.
2. the system of processing of capable of regulating natural sand modulus of fineness as claimed in claim 1, it is characterized in that: the top of described the second sealing-tape machine (8) one ends is provided with tramp iron separator (7).
3. the system of processing of capable of regulating natural sand modulus of fineness as claimed in claim 1 or 2, it is characterized in that: described many three layers of circular shale shaker are 2 three layers of circular shale shakers (9,16), 2 three layers of circular shale shaker upper-lower positions set gradually, and the ground floor of three layers of circular shale shaker of First (9) is connected with the first condiment storehouse (11) by the 3rd sealing-tape machine (10); The upper aggregate of second layer sieve of three layers of circular shale shaker of First (9) divides two-way, and the 3rd sealing-tape machine (10) and first of leading up to is regulated feed bin (11) and is connected, and another road is connected with the first finished product stockyard (34) by the 5th sealing-tape machine (14); On the 3rd layer of sieve of three layers of circular shale shaker of First (9), aggregate is connected with the second finished product stockyard (35) by the 6th sealing-tape machine (15); Described first regulates and to be provided with frequency conversion type electromagnetic feeder (12) below feed bin (11), the frequency conversion type electromagnetic feeder with in broken gyratory crusher (13) be connected, in the discharge gate of broken gyratory crusher (13) be connected with the second sealing-tape machine (8).
4. the system of processing of capable of regulating natural sand modulus of fineness as claimed in claim 3, it is characterized in that: be connected with second three layers circular shale shaker (16) under the 3rd layer of sieve of three layers of circular shale shaker of First (9), the upper aggregate of ground floor sieve of second three layers circular shale shaker (16) is connected with the 3rd finished product stockyard (36) by the 7th sealing-tape machine (17); The upper aggregate of second layer sieve of second three layers circular shale shaker (16) is connected with the 4th finished product stockyard (37) by the 8th sealing-tape machine (18); Regulating feed bin (20) by the 9th sealing-tape machine (19) and second on the 3rd layer of sieve of second three layers circular shale shaker (16) is connected, second three layers circular shale shaker (16) sieve has first spiral Xian sand machine (26), discharging opening at first spiral Xian sand machine (26) is provided with the first dewatering screen (27), is provided with successively the tenth sealing-tape machine (28) and the 11 sealing-tape machine (29) under the first dewatering screen; Be provided with electric cambered door (21) below described the second adjusting feed bin (20), the electric cambered door is connected with rod mill (23) by the 12 sealing-tape machine (22), the discharge gate of rod mill (23) is connected with second spiral Xian sand machine (24), the discharge gate of second spiral Xian sand machine (24) is connected with the second dewatering screen (25), and the discharging opening of the second dewatering screen (25) is connected with the fifty percentth product stockyards (38) by the 11 sealing-tape machine (29) and the 13 sealing-tape machine (30).
5. the system of processing of capable of regulating natural sand modulus of fineness as described in claim 1 or 3, it is characterized in that: also be provided with sand scraper (31) in this system, intrasystem factory effluent unification converges to sand scraper (31) and carries out the fine sand recovery, fine sand after recovery is divided into two-way, the 4th sealing-tape machine (39) of leading up to enters rejected material stockyard (40) and stores up, and another road enters the 11 sealing-tape machine (29) and carries out entering the 5th finished sand stockyard (38) after blending and store up.
6. utilize the processing method of the system of processing of the described capable of regulating natural sand of the arbitrary claim of claim 1～5 modulus of fineness, it is characterized in that, it comprises the steps:
1), in natural sand gravel stock ground a plurality of mining areas of planning, design the exploitation ratio in each exploiting field according to the grating difference of each mining area, carry out Methodistic exploitation, to guarantee to enter the exploitation woollen grating even thickness of system of processing;
2), the natural sand gravel material from excavation is unloaded to rod formula batcher (2) by the discharge gate that dump truck is transported to receiver bin (1), on grizzly feeder sieve 〉=gravel material of 150mm is delivered to jaw crusher (3) fragmentation through rod formula batcher (2), under the gravel material after fragmentation sieves with grizzly feeder≤sand gravel material of 150mm converges to the first sealing-tape machine (4) through discharge funnel and is transported to semi-finished product material stockyard (5) and stores up;
3), have a plurality of discharge ports in semi-finished product material stockyard (5), a frequency conversion type electromagnetic feeder (6) is installed under each discharge port accordingly, by frequency conversion type electromagnetic feeder (6), the semi-finished product sand gravel material source of storing up on semi-finished product material stockyard (5) is unloaded to the second sealing-tape machine (8);
4), for prevent the mixed ironwares such as bucket tooth that have air drill drill bit in material source and an excavator damage intrasystem in broken gyratory crusher (13), head at the second sealing-tape machine (8) is equipped with tramp iron separator (7), to reject mixed drill bit in material source and the ironwares such as bucket tooth of excavator of existing;
5), the second sealing-tape machine (8) semi-finished product that will load are delivered to three layers of circular shale shaker of First (9) and rush Xian's screening, on the ground floor sieve＞sand gravel material of 150mm by the 3rd sealing-tape machine (10) be delivered to first regulate feed bin (11) store up with in broken gyratory crusher (13), the second sealing-tape machine (8) formation are closed circuit carries out fragmentation;
6), the upper 80～150mm aggregate of the second layer of three layers of circular shale shaker of First (9) sieve divides two-way, the 3rd sealing-tape machine (10) of leading up to is delivered to first and regulates feed bin (11) and store up, and with in broken gyratory crusher (13), the second sealing-tape machine (8) form the closed circuit fragmentation of carrying out; It is that store up in the first finished product stockyard (34) of 80～150mm that another road is delivered to particle diameter by the 5th sealing-tape machine (14);
7), the 3rd of three layers of circular shale shaker of First (9) the layer of oversize particle footpath is that 40～80mm aggregate is delivered to the second finished sand stockyard (35) by the 6th sealing-tape machine (15) and stores up;
8), the ground floor oversize particle footpath of second three layers circular shale shaker (16) is that 20～40mm aggregate is delivered to the 3rd finished product stockyard (36) by the 7th sealing-tape machine (17) and stores up;
9), the second layer oversize particle footpath of second three layers circular shale shaker (16) is that 5～20mm aggregate is delivered to the 4th finished product stockyard (37) by the 8th sealing-tape machine (18) and stores up;
10), to be 3～5mm aggregate be delivered to second by the 9th sealing-tape machine (19) the 3rd of second three layers circular shale shaker (16) the layer of oversize particle footpath regulates feed bin (20) and stores up, second regulates feed bin (20) divides into electronic arc door (21), and regulating particle diameter in feed bin (20) by electronic arc door (21) with second is that 3～5mm coarse sand is delivered to the 12 sealing-tape machine (22) and then is delivered to rod mill (23) sand processed; Sand material through rod mill (23) processing enters second spiral Xian sand machine (24), sand material through second spiral Xian sand machine (24) Xian Xuanhou enters the second dewatering screen (25), enters the finished sand stockyard through the sand material after the second dewatering screen (25) dehydration after by the 11 sealing-tape machine (29) and the 13 sealing-tape machine (30) mixing and stores up;
11), the 3rd of second three layers circular shale shaker (16) the layer of undersize footpath≤3mm sand material enters first spiral Xian sand machine (26) by funnel, sand material through first spiral Xian sand machine (26) Xian Xuanhou enters the first dewatering screen (27), enters the finished sand stockyard after the sand material of making through the sand material after the first dewatering screen (27) dehydration and rod mill (23) mixes by the tenth sealing-tape machine (28), the 11 sealing-tape machine (29) and the 13 sealing-tape machine (30) and stores up.
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| CN103551233A (en) * | 2013-10-30 | 2014-02-05 | 葛洲坝集团第五工程有限公司 | Processing system and construction method capable of improving fineness modulus of natural sand |
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| CN110075981A (en) * | 2019-03-08 | 2019-08-02 | 中国三峡建设管理有限公司 | A method of four grading concrete coarse aggregate grain shapes of control |
| CN111957420A (en) * | 2020-06-28 | 2020-11-20 | 北京格林雷斯环保科技有限公司 | Building waste pretreatment system and pretreatment method |
| CN112934437A (en) * | 2021-02-04 | 2021-06-11 | 中国水利水电第九工程局有限公司 | Continuous grading production system and process for sandstone aggregate for high-performance concrete |
| CN114160287A (en) * | 2021-04-20 | 2022-03-11 | 中国水利水电第九工程局有限公司 | Mixed sand production system and fineness modulus control method thereof |
| CN114160287B (en) * | 2021-04-20 | 2023-03-17 | 中国水利水电第九工程局有限公司 | Mixed sand production system and fineness modulus control method thereof |
| CN113231173A (en) * | 2021-04-22 | 2021-08-10 | 中国电建集团华东勘测设计研究院有限公司 | Compact artificial aggregate processing system |
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Application publication date: 20130508 |