CN102814862B - Processing system of concrete combined aggregate and construction method - Google Patents
Processing system of concrete combined aggregate and construction method Download PDFInfo
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- CN102814862B CN102814862B CN201210305039.5A CN201210305039A CN102814862B CN 102814862 B CN102814862 B CN 102814862B CN 201210305039 A CN201210305039 A CN 201210305039A CN 102814862 B CN102814862 B CN 102814862B
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Abstract
The invention provides a concrete combined aggregate processing system, which comprises a first receiver bin. A first bar type feeder is disposed below the first receiver bin, the undersize part of the first bar type feeder is connected to a rejected material storage yard through a first adhesive tape machine, and the oversize part of the first bar type feeder is connected to a first jaw crusher. The discharge port of the first jaw crusher is connected to an artificial break stone storage yard through a second adhesive tape machine. A second bar type feeder is disposed below a second receiver bin. The oversize part of the second bar type feeder is connected to a second jaw crusher, and the undersize part of the second bar type feeder as well as the discharge port of the second jaw crusher is connected to a natural gravel storage yard through a third adhesive tape machine. The system provided in the invention can adopt two material sources at the same time to conduct production and processing, and the processed combined aggregate can satisfy the quality requirements of concrete aggregates, so that the work efficiency of the aggregate processing system can be enhanced. Moreover, the system is in favor of the sufficient use of project excavation ballast materials so as to reduce resource investment and project investment, and is also beneficial to environmental protection.
Description
Technical field
The invention belongs to Combined concrete aggregate system of processing and processing method thereof.
Background technology
Be subject to prior art conditionality, a kind of system of processing of aggregate is merely able to adopt a kind of material source to carry out aggregate processing simultaneously.If adopt two kinds of different material sources to process by a kind of aggregate system of processing, or adopt two kinds of material sources to use a kind of aggregate system of processing to process by stages; Building two aggregate systems of processing adopts respectively two kinds of material sources to carry out aggregate processing.
If adopt two kinds of material sources to process by stages, be both unfavorable for the interlayer combination of concrete structure, be also unfavorable for the gradation adjustment of aggregate system of processing, and the preparation of the output material feeding source class of system is approximately.If adopted, build the aggregate processing that two aggregate systems of processing are carried out respectively two kinds of different material sources, both increased engineering construction investment, increase again project occupation of land, also gradation adjustment simultaneously that be unfavorable for aggregate system of processing, and cause the quantity of concrete match ratio specification and the frequency of concrete production test detection to increase and increase resource input, and then increase engineering operation and management cost.
Summary of the invention
The technical problem to be solved in the present invention is to meet and adopt two kinds of material sources to carry out production and processing simultaneously by an aggregate system of processing; and the combination aggregate processing can meet the quality requirement of aggregate; to improve the work efficiency of aggregate system of processing; be conducive to making full use of of engineering excavation ballast simultaneously; to reduce resource, drop into, reduce construction investment and be conducive to environmental protection.
The technical solution used in the present invention: a kind of Combined concrete aggregate system of processing, it comprises the first receiver bin, the first receiver bin is arranged with the first rod formula batcher, under the sieve of the first rod formula batcher, by the first sealing-tape machine, be connected with rejected material stockyard, on the sieve of the first rod formula batcher, be connected with the first jaw crusher, the discharge gate of the first jaw crusher is connected with artificial metaling stockyard by the second sealing-tape machine; The second receiver bin is arranged with the second rod formula batcher, on the sieve of the second rod formula batcher, be connected with the second jaw crusher, under the sieve of the second rod formula batcher, be connected with natural gravel stockpile field by the 3rd sealing-tape machine with the discharge gate of the second jaw crusher; Described artificial metaling stockyard and natural gravel stockpile after the match portion are provided with the 4th sealing-tape machine, the below of the 4th sealing-tape machine is provided with many multilayer circular shale shakers, many multilayer circular shale shaker bottoms are provided with a plurality of finished products stockyard, can obtain respectively the Combined concrete aggregate of different-grain diameter scope in a plurality of finished products stockyard.
Above-mentioned the 4th sealing-tape machine bottom is also provided with the 5th sealing-tape machine, and the 5th top, sealing-tape machine one end is provided with tramp iron separator.
Above-mentioned many multilayer circular shale shakers are 2 three layers of circular shale shakers and 1 two layers of circular shale shaker, and 2 three layers of circular shale shaker upper-lower positions set gradually.
Three layers of circular shale shaker ground floor of above-mentioned First are connected with condiment storehouse by the 6th sealing-tape machine; The upper aggregate of second layer sieve of three layers of circular shale shaker of First divides two-way, and the 6th sealing-tape machine of leading up to is connected with regulating feed bin, and the 7th sealing-tape machine of separately leading up to is connected with the first finished product stockyard; On the 3rd layer of sieve of three layers of circular shale shaker of First, aggregate divides two-way, and the 8th sealing-tape machine and first of leading up to regulates feed bin to be connected, and the 9th sealing-tape machine of separately leading up to is connected with the second finished product stockyard; Described first regulate be provided with below feed bin the first frequency conversion type electromagnetic feeder respectively with in broken gyratory crusher be connected with gyratory crusher in small, broken bits, in broken gyratory crusher be connected with the tenth sealing-tape machine respectively with the discharge gate of gyratory crusher in small, broken bits, the tenth sealing-tape machine is connected with the 5th sealing-tape machine.
Under the 3rd layer of sieve of three layers of circular shale shaker of above-mentioned First, be connected with second three layers of circular shale shaker, the upper aggregate of ground floor sieve of second three layers of circular shale shaker divides two-way, the 11 sealing-tape machine and second of leading up to regulates feed bin to be connected, and the 12 sealing-tape machine of separately leading up to is connected with the 3rd finished product stockyard; The upper aggregate of second layer sieve of second three layers of circular shale shaker divides two-way, and the 11 sealing-tape machine and second of leading up to regulates feed bin to be connected, and the 13 sealing-tape machine of separately leading up to is connected with the 4th finished product stockyard; On the 3rd layer of sieve of second three layers of circular shale shaker, by the 14 sealing-tape machine and the 15 sealing-tape machine and the 3rd, regulate feed bin to be connected, under second three layers of circular shale shaker sieve through first spiral Xian sand machine, discharging opening at first spiral Xian sand machine is provided with dewatering screen, and is connected with the 17 sealing-tape machine by the 16 sealing-tape machine; Below the second described adjusting feed bin, be provided with the second frequency conversion type electromagnetic feeder and be connected with vertical impact crusher respectively, the discharge gate of vertical impact crusher is connected with the 18 sealing-tape machine, and the 18 sealing-tape machine shakes to sieve with two-layer circle and is connected.
Above-mentioned two-layer circle shakes, and sieve ground floor sieve is upper regulates feed bin to be connected by the 19 sealing-tape machine and the 11 sealing-tape machine and second, second layer sieve is upper regulates feed bin to be connected by the 15 sealing-tape machine and the 3rd, under second layer sieve, by the 20 sealing-tape machine and the 21 sealing-tape machine, is connected with the fifty percentth product stockyard.
Below above-mentioned the 3rd adjusting feed bin, being provided with electric cambered sluice gate is connected with the 22 sealing-tape machine and rod mill respectively, discharge gate at rod mill is provided with second spiral Xian sand machine, discharge gate at second spiral Xian sand machine is provided with dewatering screen, at the discharging opening of dewatering screen, by the 17 sealing-tape machine and the 21 sealing-tape machine, is connected with the 5th finished sand stockyard.
Above-mentioned this system is provided with water facilities, nozzle and pipeline, respectively the storehouse face of the first receiver bin of system and the second receiver bin is sprayed; And the compass screen surface of 2 three layers of circular shale shakers is sprayed and rushes Xian; And to carrying out water filling rod milling sand processed in rod mill crusher chamber; In system, be provided with production wastewater treatment facility, the waste water unification producing in system converges to waste water disposal facility and processes, and the water circulation after processing is applied to system of processing industrial water.
The above-mentioned stone flour retracting device that is provided with in system, intrasystem factory effluent unification converges to stone flour retracting device and carries out stone flour recovery, and the stone flour after recovery all enters the 17 sealing-tape machine to carry out entering the 5th finished sand stockyard after blending and stores up.
A Combined concrete aggregate construction method, it comprises the steps:
1, the discharge gate that is transported to the first receiver bin 1 from the piece building stones that excavate by dump truck unloads to the first rod formula batcher 3, the building stones of >=20mm are delivered to the first jaw crusher 5 fragmentations through the first rod formula batcher 3, be delivered to the second sealing-tape machine 9 store up to artificial metaling stockyard 11 through discharge funnel; The building stones of≤20mm are delivered to the first sealing-tape machine 7 through discharge funnel and store up to rejected material stockyard 8;
2, coming from the discharge gate that the natural sand gravel material of natural stock ground exploitation is transported to the second receiver bin 2 by dump truck unloads to the second rod formula batcher 4, the sand gravel material of >=150mm is delivered to the second jaw crusher 6 fragmentations through the second rod formula batcher 4, under sand gravel material after fragmentation and the second rod formula batcher 4 sieve≤sand gravel material of 150mm unloads to the 3rd sealing-tape machine 10 through discharge funnel, and by the 3rd sealing-tape machine 10, be transported to natural gravel stockpile field 12 and store up;
3, in artificial metaling stockyard 11 and natural gravel stockpile field 12, have a plurality of discharge ports, a the 3rd frequency conversion type electromagnetic feeder 13 is installed under each discharge port accordingly, by the 3rd frequency conversion type electromagnetic feeder 13, two kinds of different material sources storing up on artificial metaling stockyard 11 and natural gravel stockpile field 12 is unloaded to the 4th sealing-tape machine 14;
4, according to the artificial rubble of design and the blending proportion requirement of two kinds of different materials of natural sandy gravel, determine the unlatching number of units of 12 times the 3rd corresponding frequency conversion type electromagnetic feeders 13 in artificial metaling stockyard 11 and natural gravel stockpile field and suitable feeding coal, the ratio of carrying out blending to realize two kinds of different materials on the 4th sealing-tape machine 14;
5, for prevent mixed exist the ironwares such as air drill drill bit in material source and the bucket tooth of excavator damage intrasystem in broken gyratory crusher 22, gyratory crusher in small, broken bits 23 and vertical shaft type impact crusher 29, head at the 5th sealing-tape machine 15 is provided with tramp iron separator 16, to reject mixed drill bit in material source and the ironwares such as bucket tooth of excavator of existing;
6, the 5th sealing-tape machine 15 is delivered to first three layers of circular shale shakers 17 and rushes Xian's screening loading the semi-finished product that combine aggregate, the building stones of the upper > 150mm of ground floor sieve by the 6th sealing-tape machine 18 be delivered to the first adjusting feed bin 20 store up with in broken gyratory crusher 22, the tenth sealing-tape machine 24 and the 5th sealing-tape machine 15 form the closed circuit fragmentation of carrying out;
7, the upper 80～150mm aggregate of the second layer of three layers of circular shale shaker 17 of First sieve divides two-way, the 6th sealing-tape machine 18 of leading up to be delivered to the first adjusting feed bin 20 store up with in broken gyratory crusher 22, the tenth sealing-tape machine 24 and the 5th sealing-tape machine 15 formation are closed circuit carries out fragmentation; The 7th sealing-tape machine 47 of separately leading up to is delivered to 80～150mm the first finished product stockyard 51 and stores up;
8, on the 3rd of three layers of circular shale shaker 17 of First the layer of sieve, aggregate 3～5mm is delivered to the second adjusting feed bin 35 by the 14 sealing-tape machine 34 and stores up, under the 3rd layer of sieve of three layers of circular shale shaker 17 of First≤3mm sand material all enters first spiral Xian sand machine 41 Xian Xuan classifications and carries out desliming, dehydration, after Xian Xuan classification again after the second dewatering screen 42 mechanical dehydrations≤the sand material of 3mm enters the 16 sealing-tape machine 43 to be mixed with rod milling Machine-made Sand, after mixing≤the sand material of 5mm enters the 5th finished sand stockyard 55 by the 17 sealing-tape machine 44 and the 21 sealing-tape machine 46 and store up;
9, the ground floor of second three layers of circular shale shaker 25 sieve is provided with distribution chute, the 12 sealing-tape machine 49 of leading up to is delivered to the 3rd finished product stockyard 53 by 20～40mm, and the 11 sealing-tape machine 26 of leading up to is delivered to the second adjusting feed bin 27 by part 20～40mm and stores up and carry out artificial sand making;
10, second three layers of circular shale shaker, 25 second layer sieve is provided with distribution chute, the 13 sealing-tape machine 50 of leading up to is delivered to the 4th finished product stockyard 54 by 5～20mm, and the 11 sealing-tape machine 26 of leading up to is delivered to the second adjusting feed bin 27 by part 5～20mm and stores up;
11, the sub-material ratio that enters two-way aggregate in distribution chute on the ground floor of second three layers of circular shale shaker 25 above-mentioned steps 9) and in step 10 and second layer sieve, can adjust flexibly according to the grating situation of material source, if the material source grating entering in system of processing is more balanced, and the sand material of≤5mm is sufficient, without carrying out artificial sand making, now the distribution chute on second three layers circular shale shaker 25 ground floor and second layer sieve is without sub-material, 20～40mm on ground floor and second layer sieve and 5～20mm aggregate all enter the 3rd finished product stockyard 53 and the 4th finished product stockyard 54 is stored up through distribution chute,
If the 12 material source gratings that enter in system of processing are unbalanced, and the sand material of shortage≤5mm, need to carry out artificial sand making, now second regulate the aggregate of feed bin 27 the insides to be delivered to vertical impact crusher 29 by the second frequency conversion type electromagnetic feeder 28 to carry out fragmentation, the building stones after fragmentation are delivered to the two-layer circle sieve 31 that shakes through the 18 sealing-tape machine 30 and sieve;
13, entering the two-layer circle upper > 5mm aggregate of sieve 31 ground floor sieve that shakes regulates feed bin 27 vertical impact crusher 29 formation closed-loop paths below to carry out fragmentation by the 19 sealing-tape machine 32 and the 11 sealing-tape machine 26 and second, upper 3～5mm the aggregate of second layer sieve enters rod milling sand processed the 3rd by the 15 sealing-tape machine 33 and regulates feed bin 35 to store up, under the second layer sieves≤and the sand material of the 3mm sand material by the 20 sealing-tape machine 45 and main sieve≤3mm and rod milling Machine-made Sand≤5mm is mixed and fed into the fifty percentth product stockyard 55 and stores up on the 21 sealing-tape machine 46.
The technique effect that the present invention obtains:
1, adopt two kinds of different material sources to process by a kind of aggregate system of processing, innovated the traditional handicraft that in the past adopts two kinds of material sources to use a kind of aggregate system of processing by stages to process, both be conducive to make full use of the rejected material of engineering excavation, be conducive to again regulate the grating of material source, and can improve the production efficiency of whole system;
2, adopt two kinds of different material sources to process by a kind of aggregate system of processing, changed and adopted two kinds of material sources to carry out aggregate processing to build respectively two aggregate systems of processing and carry out respectively the traditional handicraft of aggregate processing in the past, both reduce project occupation of land, be conducive to again environmental protection; Shorten the system Construction duration simultaneously, thereby reduced resource, dropped into and saved construction investment;
3, adopt two kinds of different material sources by a kind of aggregate system of processing, to carry out the combination aggregate of system of processing production, process by a kind of aggregate system of processing with two kinds of material sources of employing by stages, or the mode of production that the aggregate system of processing of building two kinds of material sources is processed is respectively compared, both specification and the quantity of concrete mix had been reduced, reduced again the frequency that concrete production test detects, be conducive to the interlayer combination of concrete structure simultaneously, both can improve concrete construction quality, save again engineering construction cost;
4, for rejecting mixed mixed cover layer earth material and the severely-weathered ballast material of depositing in dam district open cut ballast that exist, the rod spacing of the first rod formula batcher 3 arranging for 1 time at the first receiver bin is 20mm, under sieve≤the discarded ballast of 20mm is transported to rejected material stockyard by sealing-tape machine and stores up, and by loading machine and carborne to spoil disposal area, thereby effectively guaranteed the quality of system aggregate processing;
5, for eliminating dumper, enter the environment of the dust pollution periphery in the discharge process of material feeding hole, system is provided with water facilities and nozzle and pipeline, respectively the storehouse face of receiver bin and receiver bin is carried out to spray for dust suppression, to eliminate, in automobile discharge process, float the pollution of dirt to surrounding enviroment;
6, consider if the modulus of fineness of natural sandy gravel or artificial sand making process medium sand is bigger than normal, for effectively adjusting the modulus of fineness of sand material, in the sand sieve net of three layers of circular shale shaker and two layers of circular shale shaker, set up one deck 3mm screen cloth, by the sand material of≤5mm be divided into 3～5mm and≤two kinds of 3mm, 3～5mm coarse sand is delivered to rod mill sand processed, to realize system, can adjusts neatly the modulus of fineness of sand;
The control appliance of the frequency conversion type electromagnetic feeder that 7, native system feeding device adopts adopts controllable silicon halfwave rectifier circuit, by the height of control output voltage, realize batcher and infinitely regulate feeding coal, to reach the object of automatic ration feeding, the design proportion of two kinds of Raw material processing combination aggregates can be realized, and the equilibrium of combination aggregate system of processing, continuous, full production can be realized;
8, in system of processing, be provided with stone flour retracting device; intrasystem factory effluent unification converges to stone flour retracting device and carries out stone flour recovery; stone flour after recovery all enters sand material sealing-tape machine to carry out entering finished sand stockyard after blending and stores up; both be conducive to reduce the processing intensity of Waste Water Treatment; the stone flour that can supplement again in finished sand runs off; to guarantee the continuous grading of finished sand, reduce soil erosion simultaneously, protected ecological environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the corresponding relation figure of aggregate mixed proportion and crush index value.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
Referring to Fig. 1, a kind of Combined concrete aggregate system of processing, it comprises the first receiver bin 1, the first receiver bin is arranged with the first rod formula batcher 3, under the sieve of the first rod formula batcher, by the first sealing-tape machine 7, be connected with rejected material stockyard 8, on the sieve of the first rod formula batcher, be connected with the first jaw crusher 5, the discharge gate of the first jaw crusher 5 is connected with artificial metaling stockyard 11 by the second sealing-tape machine 9; The second receiver bin 2 is arranged with the second rod formula batcher 4, on the sieve of the second rod formula batcher, be connected with the second jaw crusher 6, under the sieve of the second rod formula batcher, be connected with natural gravel stockpile field 12 by the 3rd sealing-tape machine 10 with the discharge gate of the second jaw crusher; Described artificial metaling stockyard and natural gravel stockpile after the match portion are provided with the 4th sealing-tape machine 14, the below of the 4th sealing-tape machine is provided with many multilayer circular shale shakers 17,25,31, many multilayer circular shale shaker bottoms are provided with a plurality of finished products stockyard 51,52,53,54,55, can obtain respectively the Combined concrete aggregate of different-grain diameter scope in a plurality of finished products stockyard.
Described the 4th sealing-tape machine bottom is also provided with the 5th sealing-tape machine 15, the five tops, sealing-tape machine one end and is provided with tramp iron separator 16.Described many multilayer circular shale shakers are that 31,2 three layers of circular shale shaker upper-lower positions of 17,25 and 1 two layers of circular shale shakers of 2 three layers of circular shale shakers set gradually.Three layers of circular shale shaker 17 ground floor of First are connected with condiment storehouse 20 by the 6th sealing-tape machine 18; The upper aggregate of second layer sieve of three layers of circular shale shaker 17 of First divides two-way, and the 6th sealing-tape machine 18 of leading up to is connected with regulating feed bin 20, and the 7th sealing-tape machine 47 of separately leading up to is connected with the first finished product stockyard 51; On the 3rd layer of sieve of three layers of circular shale shaker 17 of First, aggregate divides two-way, and the 8th sealing-tape machine 19 and first of leading up to regulates feed bin 20 to be connected, and the 9th sealing-tape machine 48 of separately leading up to is connected with the second finished product stockyard 52; Described first regulate feed bin 20 be provided with below the first frequency conversion type electromagnetic feeder 21 respectively with in broken gyratory crusher 22 be connected with gyratory crusher 23 in small, broken bits, in broken gyratory crusher 22 be connected with the tenth sealing-tape machine 24 respectively with the discharge gate of gyratory crusher 23 in small, broken bits, the tenth sealing-tape machine 24 is connected with the 5th sealing-tape machine 15.Under the 3rd layer of sieve of three layers of circular shale shaker 17 of First, be connected with second three layers of circular shale shaker 25, the upper aggregate of ground floor sieve of second three layers of circular shale shaker 25 divides two-way, the 11 sealing-tape machine 26 and second of leading up to regulates feed bin 27 to be connected, and the 12 sealing-tape machine 49 of separately leading up to is connected with the 3rd finished product stockyard 53; The upper aggregate of second layer sieve of second three layers of circular shale shaker 25 divides two-way, and the 11 sealing-tape machine 26 and second of leading up to regulates feed bin 27 to be connected, and the 13 sealing-tape machine 50 of separately leading up to is connected with the 4th finished product stockyard 54; On the 3rd layer of sieve of second three layers of circular shale shaker 25, by the 14 sealing-tape machine 34 and the 15 sealing-tape machine 33 and the 3rd, regulate feed bin 35 to be connected, under second three layers of circular shale shaker, 25 sieves through first spiral Xian sand machine 41, discharging opening at first spiral Xian sand machine 41 is provided with dewatering screen 42, and is connected with the 17 sealing-tape machine 44 by the 16 sealing-tape machine 43; Described second regulates feed bin 27 to be provided with the second frequency conversion type electromagnetic feeder 28 is below connected with vertical impact crusher 29 respectively, and the discharge gate of vertical impact crusher 29 is connected with the 18 sealing-tape machine 30, and the 18 sealing-tape machine 30 and two-layer circle shake and sieve 31 and be connected.
Two-layer circle shakes, and sieve 31 ground floor sieves are upper regulates feed bin 27 to be connected by the 19 sealing-tape machine 32 and the 11 sealing-tape machine 26 and second, second layer sieve is upper regulates feed bin 35 to be connected by the 15 sealing-tape machine 33 and the 3rd, and second layer sieve is lower to be connected with the fifty percentth product stockyard 55 by the 20 sealing-tape machine 45 and the 21 sealing-tape machine 46.The 3rd regulates feed bin 35 to be provided with electric cambered sluice gate 28 is below connected with the 22 sealing-tape machine 37 and rod mill 38 respectively, discharge gate at rod mill 38 is provided with second spiral Xian sand machine 39, discharge gate at second spiral Xian sand machine 39 is provided with dewatering screen 40, at the discharging opening of dewatering screen 40, by the 17 sealing-tape machine 44 and the 21 sealing-tape machine 46, is connected with the 5th finished sand stockyard 55.
This system is provided with water facilities 56, nozzle and pipeline, respectively the storehouse face of the first receiver bin 1 of system and the second receiver bin 2 is sprayed; And the compass screen surface of 17,25 and two layers of circular shale shaker 31 of three layers of circular shale shaker is sprayed and rushes Xian; And to carrying out water filling rod milling sand processed in rod mill 38 crusher chamber; In system, be provided with production wastewater treatment facility 58, the waste water unification producing in system converges to waste water disposal facility 58 and processes, and the water circulation after processing is applied to system of processing industrial water.In system, be provided with stone flour retracting device 57, intrasystem factory effluent unification converges to stone flour retracting device 57 and carries out stone flour recovery, and the stone flour after recovery all enters the 16 sealing-tape machine 44 to carry out entering the 5th finished sand stockyard 55 after blending and store up.
The rod spacing of above-mentioned the first rod formula batcher 3 is 20mm, and the rod spacing of above-mentioned the second rod formula batcher 4 is 150mm; The upper first discharge gate aperture of stating jaw crusher 5 and the second jaw crusher 6 is 150mm; The control appliance of above-mentioned the 3rd frequency conversion type electromagnetic feeder 13 adopts controllable silicon halfwave rectifier circuit, realizes batcher and infinitely regulates feeding coal, to reach the object of automatic ration feeding by the height of control output voltage.Three layers of compass screen surface specification of three layers of circular shale shaker 17 of above-mentioned First are respectively 150mm, 80mm, 40mm; Three layers of compass screen surface specification of above-mentioned second three layers of circular shale shaker 25 are respectively 20mm, 5mm, 3mm; The two-layer compass screen surface specification of above-mentioned two-layer circular shale shaker 31 is respectively 5mm, 3mm.Finished aggregate 150～80mm, the 80～40mm that above-mentioned finished product stockyard 51,51,53,54,55 correspondences are stored up, 40～20mm, 20～5mm ,≤5mm are combination aggregate.
A Combined concrete aggregate processing method, it comprises the steps:
1, the discharge gate that is transported to the first receiver bin 1 from the piece building stones that excavate by dump truck unloads to the first rod formula batcher 3, the building stones of >=20mm are delivered to the first jaw crusher 5 fragmentations through the first rod formula batcher 3, be delivered to the second sealing-tape machine 9 store up to artificial metaling stockyard 11 through discharge funnel; The building stones of≤20mm are delivered to the first sealing-tape machine 7 through discharge funnel and store up to rejected material stockyard 8;
2, coming from the discharge gate that the natural sand gravel material of natural stock ground exploitation is transported to the second receiver bin 2 by dump truck unloads to the second rod formula batcher 4, the sand gravel material of >=150mm is delivered to the second jaw crusher 6 fragmentations through the second rod formula batcher 4, under sand gravel material after fragmentation and the second rod formula batcher 4 sieve≤sand gravel material of 150mm unloads to the 3rd sealing-tape machine 10 through discharge funnel, and by the 3rd sealing-tape machine 10, be transported to natural gravel stockpile field 12 and store up;
3, in artificial metaling stockyard 11 and natural gravel stockpile field 12, have a plurality of discharge ports, a the 3rd frequency conversion type electromagnetic feeder 13 is installed under each discharge port accordingly, by the 3rd frequency conversion type electromagnetic feeder 13, two kinds of different material sources storing up on artificial metaling stockyard 11 and natural gravel stockpile field 12 is unloaded to the 4th sealing-tape machine 14;
4, according to the artificial rubble of design and the blending proportion requirement of two kinds of different materials of natural sandy gravel, determine the unlatching number of units of 12 times the 3rd corresponding frequency conversion type electromagnetic feeders 13 in artificial metaling stockyard 11 and natural gravel stockpile field and suitable feeding coal, the ratio of carrying out blending to realize two kinds of different materials on the 4th sealing-tape machine 14;
5, for prevent mixed exist the ironwares such as air drill drill bit in material source and the bucket tooth of excavator damage intrasystem in broken gyratory crusher 22, gyratory crusher in small, broken bits 23 and vertical shaft type impact crusher 29, head at the 5th sealing-tape machine 15 is provided with tramp iron separator 16, to reject mixed drill bit in material source and the ironwares such as bucket tooth of excavator of existing;
6, the 5th sealing-tape machine 15 is delivered to three layers of circular shale shaker 17 of First and rushes Xian's screening loading the semi-finished product that combine aggregate, the building stones of the upper > 150mm of ground floor sieve by the 6th sealing-tape machine 18 be delivered to the first adjusting feed bin 20 store up with in broken gyratory crusher 22, the tenth sealing-tape machine 24 and the 5th sealing-tape machine 15 form the closed circuit fragmentation of carrying out;
7, the upper 80～150mm aggregate of the second layer of three layers of circular shale shaker 17 of First sieve divides two-way, the 6th sealing-tape machine 18 of leading up to be delivered to the first adjusting feed bin 20 store up with in broken gyratory crusher 22, the tenth sealing-tape machine 24 and the 5th sealing-tape machine 15 formation are closed circuit carries out fragmentation; The 7th sealing-tape machine 47 of separately leading up to is delivered to 80～150mm the first finished product stockyard 51 and stores up;
8, on the 3rd of three layers of circular shale shaker 17 of First the layer of sieve, aggregate 3～5mm is delivered to the second adjusting feed bin 35 by the 14 sealing-tape machine 34 and stores up, under the 3rd layer of sieve of three layers of circular shale shaker 17 of First≤3mm sand material all enters first spiral Xian sand machine 41 Xian Xuan classifications and carries out desliming, dehydration, after Xian Xuan classification again after the second dewatering screen 42 mechanical dehydrations≤the sand material of 3mm enters the 16 sealing-tape machine 43 to be mixed with rod milling Machine-made Sand, after mixing≤the sand material of 5mm enters the 5th finished sand stockyard 55 by the 17 sealing-tape machine 44 and the 21 sealing-tape machine 46 and store up;
9), the ground floor of second three layers of circular shale shaker 25 sieve is provided with distribution chute, the 12 sealing-tape machine 49 of leading up to is delivered to the 3rd finished product stockyard 53 by 20～40mm, and the 11 sealing-tape machine 26 of leading up to is delivered to the second adjusting feed bin 27 by part 20～40mm and stores up and carry out artificial sand making;
10, second three layers of circular shale shaker, 25 second layer sieve is provided with distribution chute, the 13 sealing-tape machine 50 of leading up to is delivered to the 4th finished product stockyard 54 by 5～20mm, and the 11 sealing-tape machine 26 of leading up to is delivered to the second adjusting feed bin 27 by part 5～20mm and stores up;
11, above-mentioned steps 9) and step 10 in the ground floor of second three layers of circular shale shaker 25 and the distribution chute on second layer sieve in enter two-way aggregate sub-material ratio, can adjust flexibly according to the grating situation of material source.If the material source grating entering in system of processing is more balanced, and≤the sand material of 5mm is sufficient, without carrying out artificial sand making.Now the distribution chute on second three layers circular shale shaker 25 ground floor and second layer sieve is without sub-material, and 20～40mm on ground floor and second layer sieve and 5～20mm aggregate all enter the 3rd finished product stockyard 53 and the 4th finished product stockyard 54 is stored up through distribution chute;
If the 12 material source gratings that enter in system of processing are unbalanced, and the sand material of shortage≤5mm, need to carry out artificial sand making, now second regulate the aggregate of feed bin 27 the insides to be delivered to vertical impact crusher 29 by the second frequency conversion type electromagnetic feeder 28 to carry out fragmentation, the building stones after fragmentation are delivered to the two-layer circle sieve 31 that shakes through the 18 sealing-tape machine 30 and sieve;
13, entering the two-layer circle upper > 5mm aggregate of sieve 31 ground floor sieve that shakes regulates feed bin 27 vertical impact crusher 29 formation closed-loop paths below to carry out fragmentation by the 19 sealing-tape machine 32 and the 11 sealing-tape machine 26 and second, upper 3～5mm the aggregate of second layer sieve enters rod milling sand processed the 3rd by the 15 sealing-tape machine 33 and regulates feed bin 35 to store up, under the second layer sieves≤and the sand material of the 3mm sand material by the 20 sealing-tape machine 45 and main sieve≤3mm and rod milling Machine-made Sand≤5mm is mixed and fed into the fifty percentth product stockyard 55 and stores up on the 21 sealing-tape machine 46.
For checking the blending ratio of two kinds of raw materials, guarantee to combine the quality of aggregate, according to the test method of aggregate crush index in < < concrete for hydraulic structure sandstone aggregate testing regulations > > DL/T 5151-2001, the artificial aggregate that the natural aggregate that is 11.6 by crush values is 24.4 with crush values is tested after mixing respectively according to different proportion, the corresponding relation of aggregate mixed proportion and crush index value in Table 1, Fig. 2.
The mapping table of table 1 aggregate mixed proportion and crush index value
Regression analysis is a kind of common method of Processing Test data, and aggregate mixed proportion and crush index value are by one-variable linear regression equation
represent.Wherein
for aggregate mixed proportion (natural aggregate accounting),
for aggregate crush index value,
for constant,
for regression coefficient.Regression equation can be extrapolated aggregate mixed proportion corresponding to various crush index values thus.
According to table 1 result of the test, can show that the equation of linear regression of aggregate mixed proportion and crush index value is in Table 2.Result of the test shows: aggregate mixed proportion and crush index value have good correlation, and the coefficient correlation γ of equation of linear regression is more than 0.97, and γ is coefficient correlation, represents that correlation is very good.
The equation of linear regression of table 2 aggregate mixed proportion and crush index value
Apply above-mentioned analytical method and result of the test and show, the blending ratio of the combination aggregate of producing with the two kinds of raw materials of method detection that detect crush values is easy operating not only, and result of the test is accurate.
Claims (10)
1. a Combined concrete aggregate system of processing, it is characterized in that: it comprises the first receiver bin (1) and the second receiver bin (2), the first receiver bin is arranged with the first rod formula batcher (3), under the sieve of the first rod formula batcher, by the first sealing-tape machine (7), be connected with rejected material stockyard (8), on the sieve of the first rod formula batcher, be connected with the first jaw crusher (5), the discharge gate of the first jaw crusher (5) is connected with artificial metaling stockyard (11) by the second sealing-tape machine (9); The second receiver bin (2) is arranged with the second rod formula batcher (4), on the sieve of the second rod formula batcher, be connected with the second jaw crusher (6), under the sieve of the second rod formula batcher, be connected with natural gravel stockpile field (12) by the 3rd sealing-tape machine (10) with the discharge gate of the second jaw crusher; Described artificial metaling stockyard and natural gravel stockpile after the match portion are provided with the 4th sealing-tape machine (14), the below of the 4th sealing-tape machine is provided with many multilayer circular shale shakers (17,25,31), many multilayer circular shale shaker bottoms are provided with a plurality of finished products stockyard (51,52,53,54,55), can obtain respectively the Combined concrete aggregate of the diameter of different-grain diameter scope in a plurality of finished products stockyard.
2. Combined concrete aggregate system of processing as claimed in claim 1, is characterized in that: described the 4th sealing-tape machine bottom is also provided with the 5th sealing-tape machine (15), and the 5th top, sealing-tape machine one end is provided with tramp iron separator (16).
3. Combined concrete aggregate system of processing as claimed in claim 2, is characterized in that: described many multilayer circular shale shakers are 2 three layers of circular shale shakers (17,25) and 1 two layers circular shale shaker (31), and 2 three layers of circular shale shaker upper-lower positions set gradually.
4. Combined concrete aggregate system of processing as claimed in claim 3, is characterized in that: first three layers of circular shale shaker (17) ground floor is connected with condiment storehouse (20) by the 6th sealing-tape machine (18); The upper aggregate of second layer sieve of first three layers of circular shale shakers (17) divides two-way, and the 6th sealing-tape machine (18) of leading up to is connected with regulating feed bin (20), and the 7th sealing-tape machine (47) of separately leading up to is connected with the first finished product stockyard (51); On the 3rd layer of sieve of three layers of circular shale shaker of First (17), aggregate divides two-way, and the 8th sealing-tape machine (19) and first of leading up to regulates feed bin (20) to be connected, and the 9th sealing-tape machine (48) of separately leading up to is connected with the second finished product stockyard (52); Described first regulate feed bin (20) be provided with below the first frequency conversion type electromagnetic feeder (21) respectively with in broken gyratory crusher (22) be connected with gyratory crusher in small, broken bits (23), in broken gyratory crusher (22) be connected with the tenth sealing-tape machine (24) respectively with the discharge gate of gyratory crusher in small, broken bits (23), the tenth sealing-tape machine (24) is connected with the 5th sealing-tape machine (15).
5. Combined concrete aggregate system of processing as claimed in claim 4, it is characterized in that: under the 3rd layer of sieve of three layers of circular shale shaker of First (17), be connected with second three layers circular shale shaker (25), the upper aggregate of ground floor sieve of second layer circular shale shaker (25) divides two-way, the 11 sealing-tape machine (26) and second of leading up to regulates feed bin (27) to be connected, and the 12 sealing-tape machine (49) of separately leading up to is connected with the 3rd finished product stockyard (53); The upper aggregate of second layer sieve of second three layers circular shale shaker (25) divides two-way, and the 11 sealing-tape machine (26) and second of leading up to regulates feed bin (27) to be connected, and the 13 sealing-tape machine (50) of separately leading up to is connected with the 4th finished product stockyard (54); On the 3rd layer of sieve of second three layers circular shale shaker (25), by the 14 sealing-tape machine (34) and the 15 sealing-tape machine (33) and the 3rd, regulate feed bin (35) to be connected, under second three layers circular shale shaker (25) sieves through first spiral Xian sand machine (41), discharging opening at first spiral Xian sand machine (41) is provided with the second dewatering screen (42), and is connected with the 17 sealing-tape machine (44) by the 16 sealing-tape machine (43); The second described adjusting feed bin (27) is provided with the second frequency conversion type electromagnetic feeder (28) below and is connected with vertical impact crusher (29) respectively, the discharge gate of vertical impact crusher (29) is connected with the 18 sealing-tape machine (30), and the 18 sealing-tape machine (30) and the two-layer circle sieve (31) that shakes is connected.
6. Combined concrete aggregate system of processing as claimed in claim 5, it is characterized in that: two-layer circle shakes, and sieve (31) ground floor sieve is upper regulates feed bin (27) to be connected by the 19 sealing-tape machine (32) and the 11 sealing-tape machine (26) and second, second layer sieve is upper regulates feed bin (35) to be connected by the 15 sealing-tape machine (33) and the 3rd, and second layer sieve is lower to be connected with the fifty percentth product stockyard (55) by the 20 sealing-tape machine (45) and the 21 sealing-tape machine (46).
7. Combined concrete aggregate system of processing as claimed in claim 6, it is characterized in that: the 3rd regulates feed bin (35) to be provided with electric cambered sluice gate (36) is below connected with the 22 sealing-tape machine (37) and rod mill (38) respectively, discharge gate at rod mill (38) is provided with second spiral Xian sand machine (39), discharge gate at second spiral Xian sand machine (39) is provided with the first dewatering screen (40), at the discharging opening of the first dewatering screen (40), by the 17 sealing-tape machine (44) and the 21 sealing-tape machine (46), is connected with the 5th finished sand stockyard (55).
8. Combined concrete aggregate system of processing as claimed in claim 7, is characterized in that: this system is provided with water facilities (56), nozzle and pipeline, respectively the storehouse face of first receiver bin (1) of system and the second receiver bin (2) is sprayed; And the compass screen surface of three layers of circular shale shaker (17,25) is sprayed and rushes Xian; And to carrying out water filling rod milling sand processed in rod mill (38) crusher chamber; In system, be provided with production wastewater treatment facility (58), the waste water unification producing in system converges to waste water disposal facility (58) and processes, and the water circulation after processing is applied to system of processing industrial water.
9. Combined concrete aggregate system of processing as claimed in claim 8, it is characterized in that: in system, be provided with stone flour retracting device (57), intrasystem factory effluent unification converges to stone flour retracting device (57) and carries out stone flour recovery, and the stone flour after recovery all enters the 17 sealing-tape machine (44) to carry out entering the 5th finished sand stockyard (55) after blending and store up.
10. the method for utilizing the Combined concrete aggregate system of processing described in claim 9 to process, is characterized in that, it comprises the steps:
1) discharge gate that, is transported to the first receiver bin (1) from the piece building stones that excavate by dump truck unloads to the first rod formula batcher (3), the building stones of >=20mm are delivered to the first jaw crusher (5) fragmentation through the first rod formula batcher (3), be delivered to the second sealing-tape machine (9) store up to artificial metaling stockyard (11) through discharge funnel; The building stones of≤20mm are delivered to the first sealing-tape machine (7) through discharge funnel and store up to rejected material stockyard (8);
2), coming from the discharge gate that the natural sand gravel material of natural stock ground exploitation is transported to the second receiver bin (2) by dump truck unloads to the second rod formula batcher (4), the sand gravel material of >=150mm is delivered to the second jaw crusher (6) fragmentation through the second rod formula batcher (4), under sand gravel material after fragmentation and the second rod formula batcher (4) sieve≤sand gravel material of 150mm unloads to the 3rd sealing-tape machine (10) through discharge funnel, and by the 3rd sealing-tape machine (10), be transported to natural gravel stockpile field (12) and store up;
3), in artificial metaling stockyard (11) and natural gravel stockpile field (12), have a plurality of discharge ports, a the 3rd frequency conversion type electromagnetic feeder (13) is installed under each discharge port accordingly, by the 3rd frequency conversion type electromagnetic feeder (13), two kinds of different material sources storing up on artificial metaling stockyard (11) and natural gravel stockpile field (12) is unloaded to the 4th sealing-tape machine (14);
4), according to the artificial rubble of design and the blending proportion requirement of two kinds of different materials of natural sandy gravel, determine the unlatching number of units of the 3rd frequency conversion type electromagnetic feeder (13) corresponding under artificial metaling stockyard (11) and natural gravel stockpile field (12) and suitable feeding coal, the ratio of carrying out blending to realize two kinds of different materials on the 4th sealing-tape machine (14);
5), for prevent the mixed bucket tooth ironware that has air drill drill bit in material source and an excavator damage intrasystem in broken gyratory crusher (22), gyratory crusher in small, broken bits (23) and vertical shaft type impact crusher (29), head at the 5th sealing-tape machine (15) is provided with tramp iron separator (16), to reject mixed drill bit in material source and the bucket tooth ironware of excavator of existing;
6), the 5th sealing-tape machine (15) is delivered to three layers of circular shale shaker of First (17) and rushes Xian's screening loading the semi-finished product that combine aggregate, the building stones of the upper > 150mm of ground floor sieve by the 6th sealing-tape machine (18) be delivered to the first adjusting feed bin (20) store up with in broken gyratory crusher (22), the tenth sealing-tape machine (24) and the 5th sealing-tape machine (15) form the closed circuit fragmentation of carrying out;
7), the upper 80～150mm aggregate of the second layer of three layers of circular shale shaker of First (17) sieve divides two-way, the 6th sealing-tape machine (18) of leading up to be delivered to the first adjusting feed bin (20) store up with in broken gyratory crusher (22), the tenth sealing-tape machine (24) and the 5th sealing-tape machine (15) form the closed circuit fragmentation of carrying out; The 7th sealing-tape machine (47) of separately leading up to is delivered to 80～150mm the first finished product stockyard (51) and stores up;
8), on the 3rd layer of sieve of three layers of circular shale shaker of First (17), aggregate 3～5mm is delivered to the second adjusting feed bin (35) by the 14 sealing-tape machine (34) and stores up, under the 3rd layer of sieve of three layers of circular shale shaker of First (17)≤3mm sand material all enters first spiral Xian sand machine (41) Xian Xuan classification and carries out desliming, dehydration, after Xian Xuan classification again after the second dewatering screen (42) mechanical dehydration≤the sand material of 3mm enters the 16 sealing-tape machine (43) to be mixed with rod milling Machine-made Sand, the sand material that mixes rear≤5mm enters the 5th finished sand stockyard (55) by the 17 sealing-tape machine (44) and the 21 sealing-tape machine (46) and stores up,
9), the ground floor of second three layers circular shale shaker (25) sieve is provided with distribution chute, the 12 sealing-tape machine (49) of leading up to is delivered to the 3rd finished product stockyard (53) by 20～40mm, and the 11 sealing-tape machine (26) of leading up to is delivered to the second adjusting feed bin (27) by part 20～40mm and stores up and carry out artificial sand making;
10), second three layers circular shale shaker (25) second layer sieve is provided with distribution chute, the 13 sealing-tape machine (50) of leading up to is delivered to the 4th finished product stockyard (54) by 5～20mm, and the 11 sealing-tape machine (26) of leading up to is delivered to the second adjusting feed bin (27) by part 5～20mm and stores up;
11), above-mentioned steps 9) and step 10) in the ground floor of second three layers circular shale shaker (25) and the distribution chute on second layer sieve in enter two-way aggregate sub-material ratio, can adjust flexibly according to the grating situation of material source;
If the material source grating entering in system of processing is more balanced, and≤the sand material of 5mm is sufficient, without carrying out artificial sand making;
Now the distribution chute on second three layers circular shale shaker (25) ground floor and second layer sieve is without sub-material, and 20～40mm on ground floor and second layer sieve and 5～20mm aggregate all enter the 3rd finished product stockyard (53) and the 4th finished product stockyard (54) is stored up through distribution chute;
12) if the material source grating entering in system of processing is unbalanced, and the sand material of shortage≤5mm, need to carry out artificial sand making, now second regulate the aggregate of feed bin (27) the inside to be delivered to vertical impact crusher (29) by the second frequency conversion type electromagnetic feeder (28) to carry out fragmentation, the building stones after fragmentation are delivered to the two-layer circle sieve (31) that shakes through the 18 sealing-tape machine (30) and sieve;
13), entering the shake upper > 5mm aggregate of ground floor sieve of sieve (31) of two-layer circle regulates feed bin (27) vertical impact crusher (29) formation closed-loop path below to carry out fragmentation by the 19 sealing-tape machine (32) and the 11 sealing-tape machine (26) and second, upper 3～5mm the aggregate of second layer sieve enters rod milling sand processed the 3rd by the 15 sealing-tape machine (33) and regulates feed bin (35) to store up, under second layer sieve≤the sand material of the 3mm sand material by the 20 sealing-tape machine (45) and main sieve≤3mm and rod milling Machine-made Sand≤5mm is mixed and fed into the fifty percentth product stockyard (55) and stores up on the 21 sealing-tape machine (46).
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