CN112452502A - Fine basalt machine-made sandstone aggregate production line and process flow thereof - Google Patents
Fine basalt machine-made sandstone aggregate production line and process flow thereof Download PDFInfo
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Disintegrating Or Milling (AREA)
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Abstract
The invention belongs to the field of manufacturing of machine-made sand and stone equipment, and provides a dry-wet combined intelligent environment-friendly production line for machine-made sand and stone aggregates of basalt, which has the technical process design of three-section crushing and wet and dry combined production, wherein coarse crushing is produced by opening a hydraulic gyratory crusher; the intermediate crushing is closed-circuit production consisting of a cone crusher and grading screening; the fine crushing consists of vertical shaft crushing and sand making, inspection and sieving to form dry closed-circuit production and supplement rod mill open-circuit production. The production line comprehensively utilizes technical means such as computer network, wireless communication, space positioning, geographic information and the like to realize the controllability of the whole production flow of the sandstone aggregate. By adopting the invention, the high quality of the aggregate can be ensured; secondly, green and environment-friendly production is realized; and thirdly, the intellectualization and controllability of the process control can be realized.
Description
Technical Field
The invention relates to a machine-made sand-stone aggregate production line, in particular to a production line for fine basalt machine-made sand-stone aggregates, and more particularly relates to a dry-wet combined intelligent environment-friendly production line for fine basalt machine-made sand-stone aggregates.
Background
In the traditional production scheme of machine-made sandstone aggregate in China, the production scheme comprises dry-method sand making, wet-method sand making and dry-wet combined sand making, but no matter which machine-made sandstone aggregate production method, the equipment configuration and the process flow of a production line have the defects that: some production lines are unreasonable in equipment configuration and flow design according to different raw stone materials, so that the product quality is low, and the aggregate particle type is not smooth enough, and the needle and flake contents are more than 15%, so that the aggregate coagulation and the opposite sex are poor; secondly, the aggregate grading is unreasonable, the fineness modulus and the stone powder content do not reach the standard, the water content is uncontrollable, and the difference requirement of the sand for normal concrete and roller compacted concrete cannot be met. Some production lines are environment-friendly and do not reach the standard, although the problem of high stone powder content of aggregates can be solved by dry-method sand making, a large amount of dust generated in the production process has serious environmental pollution; the wet-method sand making has large stone powder loss, difficult recovery, low stone powder content of finished sand, unreasonable product gradation, unqualified quality, difficult realization of water resource recycling and large environmental pollution of produced wastewater; the dry sand making system and the wet sand making system which combine dry sand making and wet sand making not only have the defects of the dry sand making and the wet sand making, but also cannot be fused, and the system is complex and has a proper opposite effect. Some production lines do not require automatic production, so that the product yield is uncontrollable, the production is unbalanced, the energy consumption is high, and the efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the traditional technology and provide a dry-wet combined intelligent environment-friendly production line for manufacturing fine basalt machine-made sand aggregate.
The technical scheme is that the production line is a dry-wet combined intelligent environment-friendly production line for producing the sand aggregate by using the basalt machine, and comprises a crude stone self-unloading transport vehicle, a crude stone receiving pit, a hydraulic gyratory crusher, a one-way rubber belt conveyor, a crude aggregate semi-finished product pile, a vibrating feeder, a wet dust collector, a circular vibration washing pre-sieve, a discharge hopper, a rubber belt electronic scale, a 80-40mm finished product pile, a transfer truck, an automobile electronic scale, a comprehensive monitoring control device, a buffer bin, a suspension type iron remover, a two-way rubber belt conveyor, a single-cylinder hydraulic cone crusher, a stone washer, a multi-cylinder hydraulic cone crusher, a 40-20mm finished product pile, a three-shaft oval horizontal vibrating and water-washing grading sieve, a 20-5mm finished product pile, a deep cone sand-sinking machine, a high weir buried spiral sand washer, a fine sand recycling and dehydrating integrated machine, 5-0mm low-fineness modulus finished sand pile, a vertical shaft impact type sand making machine, a dust collecting liquid pipe, a dust removing cleaning water pipe, a dust collecting air pipe, a three-shaft oval horizontal vibration inspection screen, a rod mill, a 5-0mm high-fineness modulus finished sand pile, an air screening machine, a 3-0mm finished sand pile, a deep cone thickening and purifying integrated machine, a sludge pump, a belt filter press, a sewage tank, a clean water pump, a mud cake pile, a screening cleaning water pipe, a screening cleaning sewage pipe and a tap water pipe.
1. The production line serves a large road and bridge project, the total concrete amount of the project is 168 ten thousand meters 3, and the grading amount and the total amount of the sand and stone materials required by the project are as follows:
according to the requirement of concrete pouring construction peak monthly intensity of 8.67 ten thousand m 3/month, calculating according to the highest pouring capacity (roller compacted concrete control) of the initial setting time of concrete, wherein the hourly production capacity of a concrete system is 260m3/h, and the production line is characterized in that the total processing capacity is determined to be 25.2 ten thousand t/month, and the production capacity of finished materials is 700 t/h;
according to the requirement of the production capacity of finished materials, considering comprehensive factors such as processing loss, transportation loss, stockpiling loss, stone powder loss, unbalance coefficients and the like in the whole processing process, the production allowance coefficient is 22%, and the production line is further characterized in that the rough material processing capacity is as follows: 700t/h (1+ 22%) -854 t/h, and 900t/h is taken as the designed processing capacity;
the production line is further characterized in that the original rock breaking property is basalt, and the basalt has high hardness, strong abrasiveness and high breaking difficulty; the maximum grain size is 750mm, and the ratio of the maximum grain size to the grain size of the product is larger;
the production line is further characterized in that the requirements of the served projects on the concrete pouring strength are high, the three-level concrete aggregate is taken as the main part, the first-level and second-level concrete aggregate mixing is considered, the concrete grades are different, the levels are different, and the requirements on the stone powder content are different.
2. The production line is characterized in that the process flow design is based on the principle of reasonable, reliable, environment-friendly, intelligent and adjustable design and product quality guarantee, the process flow is designed into three-section crushing, wet and dry combined production, wherein the coarse crushing is produced by opening a hydraulic rotary crusher; the middle crushing is closed-circuit production consisting of a single-cylinder hydraulic cone crusher, a multi-cylinder hydraulic cone crusher and a grading sieve; before fine crushing, the problem of mud content in materials is solved by a water washing pre-screening and stone washing machine; the fine crushing comprises dry closed-circuit production consisting of vertical shaft crushing sand and inspection screening, open-circuit production of a rod mill is supplemented to adjust the fineness modulus of the sand, and a powder removing device is arranged after the inspection screening, so that the problem that the content indexes of the sandstone powder for normal concrete and roller compacted concrete are different is solved; the process flow is also provided with a linear vibration dewatering screen for dewatering, and the artificial sand is ensured to have lower and stable water content by combining natural stockpiling;
3. the production line adopts a combined sand making process combining vertical impact breaking and a rod mill, the vertical impact breaking sand making is mainly used, the rod mill sand making is used as an auxiliary adjustment, and the vertical impact breaking sand making and the rod mill sand making complement each other. The method is characterized in that a traditional single sand making mode is abandoned: the traditional sand making can be divided into vertical shaft impact crusher sand making and rod mill sand making, the vertical shaft impact crusher has the advantages of smaller volume, simpler foundation and higher efficiency than the rod mill, but the vertical shaft impact crusher sand making is incomplete sand making and needs closed cycle, the cycle amount in the flow is larger, the fineness modulus of the finished sand is larger, the particles are thicker, the particle grading is not ideal, the coarse sand and the stone powder are easy to generate, and the particles in the middle grade are less; the rod mill is used for producing sand, although the adjustment is easy and the quality is stable, the rod mill has the defects of low yield, large investment and high energy consumption; the second experiment proves that the finished sand is formed by mixing three parts of vertical impact crushed sand, rod mill crushed sand and part of sand powder removed under a check screen with the diameter less than 3mm, the grading is most reasonable, and the fineness modulus is more suitable;
4. the invention is further configured to: the production line complies with the excellent concept of 'more screens and less breakage' in the production process design of the sandstone aggregate, and is provided with three screening procedures of pre-screening, grading screening and inspection screening, wherein the pre-screening and the grading screening are water-washing screening, and the inspection screening is dry screening.
By adopting the technical scheme, although the production system is relatively complex due to pre-screening and grading screening, the cost of the screening equipment is lower than that of the crushing equipment, the cost of easily damaged parts is also lower, and the initial investment and the later operation of a project can be more economic;
5. the invention is further configured to: the production line adopts a hydraulic gyratory crusher according to the characteristics of capacity.
By adopting the technical scheme, the hydraulic gyratory crusher has the advantages of stable performance, stable operation, convenient maintenance, large feeding particle size and processing capacity, good product particle shape, low unit product energy consumption, capability of fully extruding and feeding materials, no need of material distribution equipment, and suitability for the ideal coarse crushing equipment of the production scale of the sandstone processing line;
6. the invention is further configured to: the production line is provided with pre-screening before medium crushing, and when the product contains 80-40mm large stones and the process adopts a cone crusher to medium crush part of the coarsely crushed large-diameter materials, the pre-screening before the medium crushing is necessary.
By adopting the technical scheme, on one hand, large stone products with the specification of 80-40mm can be screened out in advance; in the second aspect, materials with the particle size smaller than the medium crushing discharge particle size are sieved out in advance through pre-sieving, and do not enter medium crushing equipment, so that excessive crushing is avoided; in the third aspect, the material quantity and the feeding force of the crushing equipment can be controlled through the size of the pre-screened screen, and the model selection specification of the crushing equipment can be reduced after optimized configuration;
7. the invention is further configured to: the production line adopts water washing screening for pre-screening and grading screening according to the clean quality requirement of the product, a mud washing procedure is also set after the pre-screening, and a spiral stone washer is adopted for processing the mud in the mixture with the thickness less than or equal to 40mm in the coarse crushing semi-finished product.
By adopting the technical scheme, the soil possibly carried in the mining raw materials can be removed, and the fine clean quality of the finished aggregate is ensured;
8. the invention is further configured to: the middle crushing equipment and the process flow of the production line adopt single-cylinder and multi-cylinder hydraulic cone crushers, and two-stage crushing and closed-loop circulation are adopted.
By adopting the technical scheme, because the basalt ore has high hardness and strong abrasiveness, the cone crusher has good adaptability to high-hardness materials, and the wearing parts have long service life and are the most reasonable choice for two-section type medium crushing; the multi-cylinder cone crusher adopts a fixed main shaft, a multi-cylinder support design and an optimized crushing cavity type, combines uniform feeding of a vibrating feeder, realizes full-bin feeding and laminated crushing, has higher crushing force and yield, ensures that 10-30mm material particles have good shapes, low needle flake content, high 10-25 mm occupation ratio and low 0-10 mm occupation ratio, has a shaping function on the material output by the single-cylinder cone crusher, and is more suitable for crushing and middle-crushing and back-feeding in the rear section;
9. the invention is further configured to: the production line is provided with grading screening after the medium crushing, and when the product comprises part of 40-20mm medium stones and 20-5mm small stones and the process adopts a vertical shaft impact type crushing process to finely crush the part of the medium crushed large-diameter materials, the grading screening after the medium crushing is necessary.
By adopting the technical scheme, the medium and small stone products with the specification and size of 40-20mm and 20-5mm can be screened in advance; the two-way sieve is classified, so that materials with particle sizes smaller than the fine crushing discharge particle size are sieved out in advance and do not enter fine crushing equipment, and excessive crushing is avoided; the tee joint is subjected to graded screening, so that coarse aggregate can be screened out, and the effect of medium crushing is improved by circularly beating the returned material; the material quantity and the feeding force fed into the fine crushing equipment are controlled by the size of a four-way grading screening screen, and the model selection specification of the fine crushing equipment can be reduced after optimized configuration;
10. the invention is further configured to: and the grading screening and the checking screening of the production line both select a triaxial elliptical horizontal vibrating screen.
By adopting the technical scheme, the installation inclination angle of the three-axis elliptical horizontal vibrating screen is 0 degrees, so that the three-axis elliptical horizontal vibrating screen has a larger screening area, and a three-axis synchronous linkage excitation mode is adopted, so that the three-axis elliptical horizontal vibrating screen has larger amplitude and adjustable amplitude and frequency, can ensure higher screening efficiency, and is particularly suitable for inspection and screening of aggregate finished products;
11. the invention is further configured to: the production line is provided with buffer bins in front of the cone crusher, the vertical shaft impact crusher and the rod mill, the buffer bins are of reinforced concrete frame structures, and a variable-frequency speed-adjustable electric vibration feeder is arranged below the buffer bins.
By adopting the technical scheme, continuous and stable feeding of crushing equipment can be ensured, so that the equipment can exert ideal performance, the volume of the buffer bin is not required to be overlarge, and the buffer feeding time of about 10min can be ensured;
12. the invention is further configured to: the sand making equipment of the production line adopts a vertical shaft impact crusher, the feeding of the vertical shaft impact crusher is from grading screening, the materials are crushed by the vertical shaft impact crusher and then fed into a finished product inspection sieve, and the finished product inspection sieve and the vertical shaft impact crusher form closed cycle.
By adopting the technical scheme, the unique 'stone-iron mixing beating' structure of the vertical shaft impact crusher and the waterfall flow feeding system can realize effective control of product particle size by adjusting the waterfall flow, the rotating speed of the impeller and other modes according to the original stone characteristics of basalt, and obtain finished sand with better particle size distribution and particle size;
13. the invention is further configured to: in the process design of the production line, in order to properly improve the content of stone powder in the sand material and improve the mixing and comprehensive mechanical properties of concrete, firstly, the screened sand-water mixture enters a deep cone sand setting box to remove impurities, and then enters a spiral sand washer. The spiral sand washer belongs to a wide weir type long spiral classifier, the length of a settling zone is long, and the loss of stone powder is less; in addition, dry sand making is adopted in fine crushing, and dry screening is adopted in inspection and screening;
by adopting the technical scheme, the powder content of the sand is ensured;
14. the invention is further configured to: in the process design of the production line, a pre-dehydration mode is adopted, namely, pre-dehydration, namely qualified sand after the sieve is checked is discharged into a rubber belt machine through a spiral sand washer, then is sent into a fine sand recycling and dehydrating integrated machine arranged at the tail part of the rubber belt machine through the rubber belt machine, and is conveyed to a finished sand storage yard after being pre-dehydrated through a dehydrating sieve.
By adopting the technical scheme, the water content of the artificial sand is ensured to be less than 6%, and the fluctuation range of the water content is ensured to be less than 2%;
15. the invention is further configured to: in the process design of the production line, the graded powder selection is arranged after the sand products smaller than 3mm are inspected and graded.
By adopting the technical scheme, the stone powder regulation and control of the part of materials smaller than 3mm in the sand product are realized, and the fineness modulus and the stone powder content of the mixed sand product are ensured;
16. the invention is further configured to: each grade aggregate finished product of the production line adopts a belt conveyor fixed-point stacking mode, an aggregate storage yard is divided into 4 areas according to the grade, 80-40mm, 40-20mm, 20-5mm and 5-0mm, wherein the finished product sand has different technical requirements, particularly different requirements on stone powder content, for normal concrete sand and roller compacted concrete sand, the normal concrete sand and the roller compacted concrete are stacked in 2 bins according to the sand using condition, and the interval is partitioned by a mortar masonry retaining wall; the upper part of each bin is provided with a rainproof shed; the aggregate yard is in a reinforced concrete gallery structure form, the bottom of the aggregate yard is provided with a drainage blind ditch, and drainage ditches are arranged around the aggregate yard; a vibrating feeder is arranged below the corridor, a rubber belt machine is used for feeding materials to a loading bin, a metal structure slow descending device is arranged at the positions where 80-40 and 40-20 broken stones are thrown, finished coarse aggregate is loaded in the loading bin, the danger that flying stones hurt people and loading equipment are damaged in production operation is avoided, and production operation management cost of the system is reduced.
By adopting the technical scheme, aggregate at all levels is prevented from being mixed; secondly, the influence of rainwater on the water content of the finished sand and the coarse aggregate is prevented, and the water content of the finished sand is ensured; thirdly, the wastewater is not discharged outside, and a closed sewage treatment cycle is formed; fourthly, safe delivery of large and medium stone products of 80-40 and 40-20 is realized, potential safety hazards that flying stones hurt people and damage loading equipment in production and operation are avoided, and production and operation management cost of a system is reduced;
17. the invention is further configured to: the production line adopts a dry-wet combination method, and water has strong dust suppression and dust removal effects in the working procedures of pre-screening, stone washing, sand washing and rod milling; the production line is provided with three sets of centralized wet dust removal devices for collecting dust at dust lifting points of other dry production procedures on the production line in a centralized manner; the washing sieve, the washing stone, the washing sand, the rod mill, the pre-dewatering, the stacking dewatering and the dedusting water of the production line share a set of closed sewage treatment system which can be recycled, so that the sewage is prevented from being discharged outside and polluting the environment. In addition, in the structural design of noise reduction of the production line, the hopper, the chute and the like are designed into a stone-beating-stone form so as to reduce metal knocking, abrasion and noise of the stone-beating-iron. The noise outside 40 meters of the factory boundary is below 65dB, and the requirements of the national standard GB12348-2008 environmental noise emission standard of the factory boundary of industrial enterprises are met.
By adopting the technical scheme, the sewage treatment system and the wet dust removal system of the production line are integrated, so that the green and environment-friendly effects of the production line are realized in all directions;
18. the invention is further configured to: the whole production line adopts crushing and screening equipment with operation and regulation means; the whole line is provided with a high-precision weighing and intelligent sealing-tape machine conveying system.
By adopting the technical scheme, the production line is convenient to realize online intelligent control, can obey the overall operation requirement of the production line, and randomly allocates the crushing ratio in real time; the production line aggregate capacity metering and the sales metering can be accurately controlled in real time according to the capacity requirement;
19. the invention is further configured to: the production line comprehensively utilizes technical means such as computer network, wireless communication, space positioning, geographic information and the like, and integrates monitoring and control information of operation of all equipment forming the production line into a set of intelligent monitoring and control system.
By adopting the technical scheme, the dynamic control on the sandstone aggregate production line can be realized, and the controllability and flexibility of the whole production flow are realized.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. can ensure the high quality of the finished aggregate: the granules have the advantages of hard texture, cleanness, good shape, good special appearance and good and reasonable second-level preparation, and can meet the requirements of the first-level and second-level concrete sands and the higher standard third-level concrete sands particularly for machine-made sands;
2. the production process is green and environment-friendly. The production line is combined dry and wet, a wet dust removal system consisting of a plurality of dust removal devices is integrated with a closed sewage treatment system, and 99.8% of dust and sewage are recycled; the noise reduction requirement of national standard GB12348-2008 environmental noise emission standard of industrial enterprise factory boundary is met by designing a hopper, a chute and the like to make stones;
3. the process control is emphasized, the full automation of the production line operation is realized, the controllability and the flexibility of the whole production flow are realized, the production is balanced, the quality is stable, the energy consumption is reduced, and the efficiency is improved.
Drawings
FIG. 1 is a drawing of the present invention: a schematic diagram of a dry-wet combined intelligent environment-friendly production line for producing fine basalt machine-made sand aggregate.
The drawings only show the types and flows of the components of the production line accurately to illustrate the flow principle of the production line, but do not indicate the number of the components of the production line according to the production capacity requirement, and the production capacity of the production line will not be described.
In the figure, arrows on the side edges of the unidirectional belt conveyor (4) and the bidirectional belt conveyor (17) indicate the material conveying direction; the arrow on the dust collecting liquid pipe (29) indicates the flowing direction of dust collecting liquid formed after the raised dust is fused with water; the arrow on the dust removal cleaning water pipe (30) indicates the flowing direction of the cleaning water produced after sewage treatment; the arrow on the dust collecting air pipe (31) indicates the direction of dust collected by the dust removing system from the dust lifting point flowing into the dust remover.
In the figure, 1, a crude stone self-unloading transport vehicle, 2, a crude stone receiving pit, 3, a hydraulic gyratory crusher, 4, a one-way rubber belt conveyor, 5, a coarse aggregate semi-finished product pile, 6, a vibrating feeder, 7, a wet dust collector, 8, a circular vibration water washing pre-sieve, 9, a discharge hopper, 10, a rubber belt electronic scale, 11, 80-40mm finished product stone piles, 12, a transfer truck, 13, an automobile electronic scale, 14, a comprehensive monitoring control device, 15, a buffer bin, 16, a suspension type iron remover, 17, a two-way rubber belt conveyor, 18, a single-cylinder hydraulic cone crusher, 19, a stone washer, 20, a multi-cylinder hydraulic cone crusher, 21, 40-20mm finished product stone piles, 22, an elliptical horizontal vibration water washing grading sieve, 23, 20-5mm triaxial finished product stone piles, 24, a deep sinking cone sand washer, 25, a high weir sinking type spiral sand washer, 26, and fine sand recycling and dewatering integrated machine, 27. 5-0mm low-fineness modulus finished sand pile, 28, vertical shaft impact type sand making machine, 29, dust collecting liquid pipe, 30, dust removing cleaning water pipe, 31, dust collecting air pipe, 32, three-shaft elliptical horizontal vibration inspection screen, 33, rod mill, 34, 5-0mm high-fineness modulus finished sand pile, 35, air screening machine, 36, 3-0mm finished sand pile, 37, deep cone thickening and purifying integrated machine, 38, sludge pump, 39, belt filter press, 40, sewage pool, 41, clean water pool, 42, clean water pump, 43, mud cake pile, 44, screening and cleaning water pipe, 45, screening and cleaning sewage pipe, 46, tap water pipe
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
In figure 1, a hydraulic gyratory crusher (3) is arranged below a raw stone receiving pit (2), and a discharge hole of the hydraulic gyratory crusher is connected with a coarse aggregate semi-finished product pile (5) through the communication of a one-way rubber belt conveyor (4). A reinforced concrete conveying corridor is arranged below the coarse aggregate semi-finished product pile (5), a vibrating feeder (6) is suspended in the corridor, and the vibrating feeder (6) is connected with the feed end of the circular vibration washing prescreening screen (8) through the communication of a one-way rubber belt conveyor (4). A layer of sieve of the circular vibration washing pre-sieve (8) plays a role in buffering protection; a discharge hopper (9) shared by the first layer screen and the second layer screen is connected with a front-section middle crushing buffer bin (15) through the communication of a one-way rubber belt conveyor (4); the three-layer screen oversize material discharge hopper (9) is communicated through a bidirectional rubber belt conveyor (17), and two ends of the three-layer screen oversize material discharge hopper are respectively connected with a finished product stone pile (11) with the thickness of 80-40mm and a rear-section middle crushing buffer bin (15); the discharge hopper of the three-layer screen is communicated with the feed inlet of the stone washer (19) through the one-way rubber belt conveyor (4). In addition, a suspension type iron remover (16) is arranged above a one-way rubber belt conveyor (4) and a two-way rubber belt conveyor (17) which convey materials outwards from a circular vibration washing pre-sieve (8), the two-way rubber belt conveyor (17) is provided with a rubber belt electronic scale (10) in the direction of a finished product stone pile (11) of 80-40mm, and the bottom of all buffer bins (15) on a production line is hoisted with a vibrating feeder (6). The vibrating feeder (6) below the front middle crushing buffer bin (15) is connected with the feed end of the single-cylinder hydraulic cone crusher (18) through the communication of the one-way rubber belt conveyor (4), and the discharge end of the single-cylinder hydraulic cone crusher (18) is connected with the feed end of the three-shaft elliptical horizontal vibration water washing classifying screen (22) through the communication of the one-way rubber belt conveyor (4). The vibrating feeder (6) below the middle crushing buffer bin (15) at the rear section is communicated with the feeding end of the multi-cylinder hydraulic cone crusher (20) through the one-way rubber belt conveyor (4), and the discharging end of the multi-cylinder hydraulic cone crusher (20) is communicated with the feeding end of the three-shaft oval horizontal vibrating and water washing sieve (22) through the one-way rubber belt conveyor (4). The discharge port of the stone washer (19) is communicated with the feed end of the triaxial elliptical horizontal vibration washing classifying screen (22) through the one-way rubber belt conveyor (4).
A layer of sieve outlet hopper (9) of the triaxial elliptical horizontal vibration washing classifying sieve (22) is connected with a rear-section middle crushing buffer bin (15) through the communication of a one-way rubber belt conveyor (4); the two-layer screening discharge hopper (9) is communicated through a bidirectional rubber belt conveyor (17), two ends of the two-layer screening discharge hopper are respectively connected with a finished stone pile (21) with the thickness of 40-20mm and a sand making buffer bin (15), the three-layer screening discharge hopper (9) is communicated through the bidirectional rubber belt conveyor (17), and two ends of the three-layer screening discharge hopper are respectively connected with a finished stone pile (23) with the thickness of 20-5mm and the sand making buffer bin (15); the four-layer screen oversize material discharge hopper (9) is communicated with a sand making buffer bin (15) through a one-way rubber belt conveyor (4); the discharge hopper of the four-layer screen is communicated with the feed inlet of the deep cone sand setting machine (24) through a one-way rubber belt conveyor (4). The discharge hole of the deep cone sand setting machine (24) is connected with the feed hole of a high weir buried type spiral sand washer (25), the discharge hole of the high weir buried type spiral sand washer (25) is connected with the feed hole of a fine sand recovery and dehydration integrated machine (26) through the communication of a one-way rubber belt conveyor (4), and the discharge hole of the fine sand recovery and dehydration integrated machine (26) is connected with a 5-0mm low-fineness modulus finished sand pile (27) through the communication of the one-way rubber belt conveyor (4). The vibrating feeder (6) under the sand making buffer bin (15) is connected with the feed end of the vertical shaft impact type sand making machine (28) through the communication of the one-way rubber belt conveyor (4), and the discharge end of the vertical shaft impact type sand making machine (28) is connected with the feed end of the three-shaft oval horizontal vibration inspection screen (32) through the communication of the one-way rubber belt conveyor (4).
A layer of sieve outlet hopper (9) of the triaxial elliptical horizontal vibration inspection sieve (32) is connected with the sand making buffer bin (15) through the communication of the one-way rubber belt conveyor (4); the two-layer screen oversize discharge hopper (9) is communicated through a two-way rubber belt conveyor (17), and two ends of the two-layer screen oversize discharge hopper are respectively connected with a one-way rubber belt conveyor (4) and a rod mill buffer bin (15) which are communicated with a 5-0mm low-fineness modulus finished product sand pile (27), wherein a rubber belt electronic scale (10) is arranged on the two-way rubber belt conveyor (17) in the direction communicated with the one-way rubber belt conveyor (4); the discharge hopper of the two-layer screen is communicated with the feed inlet of the air screening machine (35) through the one-way rubber belt conveyor (4). The vibrating feeder (6) below the rod mill buffer bin (15) is communicated with a feed inlet of a rod mill (33) through a one-way belt conveyor (4), a discharge outlet of the rod mill (33) is communicated with a feed inlet of a high weir buried type spiral sand washer (25) through the one-way belt conveyor (4), a discharge outlet of the high weir buried type spiral sand washer (25) is communicated with a feed inlet of a fine sand recovery and dehydration all-in-one machine (26) through the one-way belt conveyor (4), and a discharge outlet of the fine sand recovery and dehydration all-in-one machine (26) is communicated with a 5-0mm high modulus finished sand pile (34) through the one-way belt conveyor (4). The bottom sand discharge port of the air screening machine (35) is connected with a finished sand pile (36) with the thickness of 3-0mm through the communication of a one-way rubber belt conveyor (4), and the upper powder removing port of the air screening machine is connected with a dust collecting port of a wet dust collector (7) arranged at the rear section of the production line through the communication of a dust collecting air pipe (31); a dust collecting port of a wet dust collector (7) arranged at the front section of the production line is respectively connected with dust sources of the hydraulic gyratory crusher (3), the single-cylinder hydraulic cone crusher (18), the multi-cylinder hydraulic cone crusher (20), the unidirectional rubber belt conveyors (4), the vibrating feeder (6) and the bidirectional rubber belt conveyor (17) at the front section of the production line through the communication of a dust collecting air pipe (31); a wet dust collector (7) arranged at the middle section of the production line is respectively connected with a vertical shaft impact type sand making machine (28), a three-shaft oval horizontal vibration inspection screen (32) and dust sources of all the one-way rubber belt conveyors (4), the vibration feeder (6) and the two-way rubber belt conveyor (17) at the middle section of the production line through the communication of a dust collecting air pipe (31); the liquid collecting ports of the wet dust collectors (7) are communicated through dust collecting liquid pipes (29) and are connected with a sewage pool (40) together, and in addition, a screening and washing sewage pipe (45) for conveying washing stones, washing sand and washing liquid on the production line is also connected to the sewage pool (40); a sludge pump (38) is arranged in the sewage pool (40), the outlet of the sludge pump (38) is connected with the inlet of the deep cone thickening and purifying integrated machine (37), the outlet at the bottom of the deep cone thickening and purifying integrated machine (37) is connected with the inlet of another sludge pump (38), the outlet of the sludge pump (38) is connected with the inlet of a belt filter press (39), and the outlet of the belt filter press (39) is connected with a sludge cake stack (43). A transfer bin and a vibrating feeder are arranged below each finished product stack, a discharge port of the vibrating feeder is opposite to a feeding port of a container of the transfer truck (12), and an automobile electronic scale (13) is arranged at the bottom of the transfer truck (12); the upper outlet of the deep cone thickening and purifying integrated machine (37) is connected with the inlet of a clean water tank (41), two clean water pumps (42) are arranged in the clean water tank (41), the water outlet of one clean water pump is communicated with the clean water inlet of each wet dust collector (7) through a dust-removing clean water pipe (30), the water outlet of the other clean water pump is connected with a screening and washing clean water pipe (44), and in addition, a tap water pipe (46) is communicated with the clean water tank (41).
The comprehensive monitoring control device (14) is interconnected and intercommunicated with feeding, crushing, screening, powder removing, weighing, dust removing and sewage treatment devices of the production line.
By adopting the invention, the process flow of the dry-wet combined intelligent environment-friendly type fine basalt machine-made sandstone aggregate production line is as follows:
the raw stone self-discharging transport vehicle (1) transports the crude stones with the size less than 750mm, the crude stones are poured into the raw stone receiving pit (2), the production line is started, the hydraulic gyratory crusher (3) is filled with materials and is subjected to coarse crushing, the ore discharge port of the hydraulic gyratory crusher (3) is adjusted to be 250mm, and the crushed materials are stacked into the coarse aggregate semi-finished product pile (5) through the one-way rubber belt conveyor (4). The vibrating feeder (6) suspended in the tunnel at the bottom of the semi-finished product stack (5) feeds uniformly, and the uniformly fed materials are sent into a circular vibrating washing pre-sieve (8) through a one-way rubber belt conveyor (4). The circular vibration washing pre-sieve (8) has a first layer of sieve mesh of 120mm and plays roles of buffering and protecting, a second layer of sieve mesh of 80mm and a third layer of sieve mesh of 40mm, and more than 80mm of materials are fed into a first section of middle crushing buffer bin (15) from a discharge hopper (9) shared by the first layer of sieve and the second layer of sieve by a one-way rubber belt conveyor (4), and a vibration feeder (6) hung at the bottom of the bin uniformly feeds materials and is fed into a single-cylinder hydraulic cone crusher (18) by the one-way rubber belt conveyor (4) to perform first section middle crushing; 80-40mm partial materials are loaded from a three-layer screen to a material discharging hopper (9) and are stacked into a finished product stone pile (11) with the thickness of 80-40mm by a bidirectional belt conveyor (17) in a forward operation mode, the finished product is delivered by a delivery truck (12), the delivery amount of the finished product is measured by an automotive electronic scale (13), the production amount of the finished product stone with the thickness of 80-40mm is controlled by the belt electronic scale (10), redundant finished product stones with the thickness of 80-40mm are sent into a second-stage medium-sized crushing buffer bin (15) by the bidirectional belt conveyor (17) in a reverse operation mode, a vibrating feeder (6) hung at the bottom of the bin feeds uniformly, and the materials are sent into a multi-cylinder hydraulic cone crusher (20) by a one-way belt conveyor (4) to perform second-; and 40-0mm of partial materials are fed into a stone washer (19) from a discharge hopper of the three-layer screen by a one-way rubber belt conveyor (4), and the stone washer (19) rubs and washes the partial mixture to remove mud and slag. The suspended iron remover (16) arranged on the unidirectional rubber belt conveyor (4) and the bidirectional rubber belt conveyor (17) for conveying materials outwards from the circular vibration washing pre-sieve (8) is used for removing hard iron in the materials. Clean water required by pre-screening and stone washing is conveyed from a clean water tank (41) through a clean water pump (42) and a screening and washing clean water pipe (44), and wastewater generated by pre-screening and stone washing enters a sewage tank (40) through a screening and washing sewage pipe (45). Materials crushed by the single-cylinder hydraulic cone crusher (18) and the multi-cylinder hydraulic cone crusher (20) and materials with mud removed by the stone washer (19) are respectively sent to the three-shaft elliptical horizontal vibration water washing classifying screen (22) by the three-way one-way rubber belt conveyor (4).
The three-shaft elliptical horizontal vibration washing classifying screen (22) is provided with a first-layer screen 40mm, a second-layer screen 20mm, a third-layer screen 5mm, a fourth-layer screen 3mm and more than 40mm, and partial materials are conveyed back to a two-section middle-crushing buffer bin (15) from a first-layer screen outlet hopper (9) by a one-way belt conveyor (4), uniformly fed by a vibration feeder (6) hung at the bottom of the bin, conveyed into a multi-cylinder hydraulic cone crusher (20) by the one-way belt conveyor (4) and crushed again to form closed cycle; 40-20mm of partial materials are piled into a finished stone pile (21) with 40-20mm from a two-layer screening discharge hopper (9) in a forward running mode through a two-way belt conveyor (17), the finished stone pile is loaded and transported by a transport truck (12) for delivery, the delivery amount of finished products is measured through an automotive electronic scale (13), the production amount of the finished stone with 40-20mm is controlled through a belt electronic scale (10), and redundant finished stone with 40-20mm is conveyed into a fine crushing buffer bin (15) in a reverse running mode through the two-way belt conveyor (17); 20-5mm of partial materials are piled into a finished stone material pile (23) with the thickness of 20-5mm from a three-layer screening discharge hopper (9) by a bidirectional belt conveyor (17) in a forward operation mode, the finished stone material pile is loaded and delivered by a delivery truck (12), the delivery amount of finished products is measured by an automotive electronic scale (13), the production amount of the finished stone material with the thickness of 20-5mm is controlled by a belt electronic scale (10), and redundant finished stone material with the thickness of 20-5mm is conveyed into a fine crushing buffer bin (15) by the bidirectional belt conveyor (17) in a reverse operation mode; 5-3mm of partial materials are fed into a fine crushing buffer bin (15) from a material discharging hopper (9) on a four-layer screen by a one-way rubber belt conveyor (4); 3-0mm of partial materials are sent into a deep cone sand settling machine (24) from a discharge hopper under a four-layer screen by a one-way rubber belt conveyor (4), enter a high weir buried type spiral sand washer (25) from a bottom outlet after being pre-concentrated by the deep cone sand settling machine (24), remove sludge by the high weir buried type spiral sand washer (25), enter a fine sand recycling and dewatering integrated machine (26), pre-dewater the fine sand and recycle the fine sand for preventing the fine sand from losing, and qualified sand is stacked into a 5-0mm low-fineness modulus finished sand pile (27) by the one-way rubber belt conveyor (4).
The electric vibration feeder (6) suspended at the bottom of the fine crushing buffer bin (15) uniformly feeds materials, the materials are conveyed into the vertical shaft impact type sand making machine (28) through the one-way rubber belt conveyor (4), and the materials crushed by the vertical shaft impact type sand making machine (28) are conveyed into the three-shaft oval horizontal vibration inspection screen (32) through the one-way rubber belt conveyor (4). The three-axis elliptical horizontal vibration inspection screen (32) is characterized in that a part of materials with a first layer screen of 5mm and a second layer screen of 3mm and above 5mm are sent back to a fine crushing buffer bin (15) from a first layer screen outlet hopper (9) by a one-way rubber belt conveyor (4), a vibration feeder (6) suspended at the bottom of the bin feeds uniformly, and the materials are sent to a vertical shaft impact type sand making machine (28) by the one-way rubber belt conveyor (4) to be crushed again, so that closed cycle is formed; 5-3mm of partial materials are fed into a one-way belt conveyor (4) from a two-layer screen material feeding and discharging hopper (9) in a forward running mode through a two-way belt conveyor (17), are mixed with 3-0mm of medium-crushed materials and are stacked into a 5-0mm low-fineness modulus finished sand pile (27), a belt electronic scale (10) is used for controlling the output of 5-3mm of finished rock materials and meeting the requirement of adjusting the fineness modulus of the 5-0mm low-fineness modulus finished sand (27), redundant 5-3mm of finished rock materials are fed into a rod mill buffer bin (15) in a reverse running mode through the two-way belt conveyor (17), qualified 5-0mm low-fineness modulus finished sand (27) is loaded into a transfer truck (12) for delivery, and the delivery quantity of finished products is measured through an automotive electronic scale (13); the 3-0mm part of materials are fed into a powder discharging device, namely an air screening machine (35), from a discharge hopper of a double-layer screen by a one-way rubber belt conveyor (4), the powder discharging amount can be randomly adjusted according to production requirements, so as to ensure the sand powder content index for normal concrete and roller compacted concrete, the 3-0mm part of materials after powder removal are stacked into a 3-0mm finished sand pile (36) from the bottom outlet of the air screening machine (35) by the one-way rubber belt conveyor (4), the materials are loaded into a transfer truck (12) for delivery, and the finished product delivery amount is measured by an automobile electronic scale (13).
The electric vibration feeder (6) suspended at the bottom of the rod mill buffer bin (15) feeds uniformly, the materials are conveyed into a rod mill (33) through a one-way rubber belt conveyor (4), the materials are conveyed into a high-weir buried type spiral sand washer (25) through the one-way rubber belt conveyor (4) after being broken through the rod mill (33), the mixed materials are graded through the high-weir buried type spiral sand washer (25), qualified sand required by production is conveyed into a fine sand recovery and dehydration integrated machine (26) through the one-way rubber belt conveyor (4), the qualified sand is conveyed to a 5-0mm high-fineness modulus finished sand pile (34) through the one-way rubber belt conveyor (4) after being subjected to predehydration and fine sand recovery, the finished sand pile is stacked, the finished sand pile is loaded into a transfer truck (12) for delivery, and the delivery quantity of finished products is measured through an automotive electronic. Clean water required by rod milling, sand washing and dehydration is conveyed from a clean water tank (41) through a clean water pump (42) and a screening and washing clean water pipe (44); when the water quantity in the clean water tank (41) is insufficient, the clean water is automatically supplemented through the tap water pipe (46); the waste water generated by rod milling, sand washing and dehydration returns to the sewage pool (40) through a screening and washing sewage pipe (45).
The dust generated by the crusher, the sieving machine, the feeding (discharging) point of the feeding machine and the transfer point of the conveyer in the front section and the middle section of the production line is respectively conveyed into two wet-type dust collectors (7) arranged in the front section and the middle section of the production line by a dust collecting air pipe (31), and the dust screened out by an air screening machine (35) independently enters the wet-type dust collector (7) arranged in the rear section of the production line by the dust collecting air pipe (31); meanwhile, a clean water pump (42) arranged in a clean water tank (41) inputs clean water to each wet dust collector (7) through a dust removal clean water pipe (30), dust gas and the clean water interact in the wet dust collectors (7), after multiple purification reactions such as washing, atomization, gravity, inertia, chambering, multi-pipe and the like, purified gas is upwards discharged to the atmosphere from an exhaust cylinder of the wet dust collectors (7), dust collecting liquid falls into a bottom dust hopper of the wet dust collectors (7), is conveyed back to a sewage tank (40) through a dust collecting pipe (29), is precipitated in the sewage tank (40), large-particle dust is periodically cleaned by an automatic excavating machine after being precipitated, slurry is input into a deep cone thickening purification all-in-one machine (37) through a sludge pump (38) and is acted by the deep cone thickening purification all-in-one machine (37), the partial material can be separated into an upper part and a lower part, and the upper part of the clean water automatically flows into the clean water tank (41) from an upper outlet of the deep cone thickening purification all-in-, the sludge at the lower part enters a belt filter press (39) from the lower outlet of a deep cone thickening and purifying integrated machine (37) through the action of a sludge pump (38), the produced clear water automatically flows back to a clear water tank (41) through the action of the belt filter press (39), the produced sludge cakes are piled in a sludge cake pile (43), then the sludge cakes are loaded in a transfer truck (12) for delivery, and the delivery amount of finished products is measured by an automotive electronic scale (13).
The production line hopper, the funnel, the feed box, the material distribution disc, the chute, the descent control device and the like are designed and manufactured into a stone-beating-stone form so as to reduce metal knocking, abrasion and noise of the stone-beating-iron.
The whole production line adopts crushing and screening equipment with operation and regulation means, the whole production line is provided with a high-precision weighing and intelligent adhesive tape machine conveying system, and the comprehensive monitoring and control device (14) connects all the equipment of the production line with the whole production line by utilizing the technologies of a computer network, a wireless communication technology, a space positioning technology, geographic information and the like to form an integral monitoring and control network, so that the dynamic control of the sandstone aggregate production line is realized, and the controllability and the flexibility of the whole production flow of the production line are realized.
Claims (8)
1. A production line for producing fine basalt mechanical sandstone aggregates is composed of a raw stone self-unloading transport vehicle, a raw stone receiving pit, a hydraulic gyratory crusher, a one-way rubber belt conveyor, a coarse aggregate semi-finished product pile, a vibrating feeder, a wet dust collector, a circular vibration washing pre-sieve, a discharge hopper, a rubber belt electronic scale, a 80-40mm finished product stone pile, a transfer truck, an automobile electronic scale, a comprehensive monitoring and controlling device, a buffer bin, a suspension type iron remover, a two-way rubber belt conveyor, a single-cylinder hydraulic cone crusher, a stone washer, a multi-cylinder hydraulic cone crusher, a 40-20mm finished product stone pile, a three-axis oval horizontal vibration washing grading sieve, a 20-5mm finished product stone pile, a deep cone sand settling machine, a high weir buried spiral sand washer, a fine sand recovery and dehydration integrated machine, a 5-0mm low-fineness modulus finished product sand pile, a vertical shaft impact type sand making machine, The device comprises a dust collecting liquid pipe, a dust removing cleaning water pipe, a dust collecting air pipe, a three-axis oval horizontal vibration inspection sieve, a rod mill, a 5-0mm high-fineness modulus finished product sand pile, an air screening machine, a 3-0mm finished product sand pile, a deep cone thickening and purifying integrated machine, a sludge pump, a belt filter press, a sewage tank, a clean water pump, a sludge cake pile, a screening and washing cleaning water pipe, a screening and washing sewage pipe and a tap water pipe.
2. The production line of fine basalt machine-made sandstone aggregate according to claim 1, characterized in that: the hydraulic gyratory crusher is arranged below the raw stone receiving pit, and the discharge port of the hydraulic gyratory crusher is connected with the coarse aggregate semi-finished product pile through the communication of the one-way rubber belt conveyor. A reinforced concrete conveying corridor is arranged below the coarse aggregate semi-finished product pile, a vibrating feeder is suspended in the corridor, and the vibrating feeder is communicated with the feeding end of the circular vibration water washing pre-sieve through a one-way rubber belt conveyor. The layer of sieve which is pre-sieved by circular vibration washing plays a role in buffering protection; the common discharge hopper of the first and second layers of sieves is connected with the front-section middle crushing buffer bin through the communication of a one-way rubber belt conveyor; the three-layer sieve feeding and discharging hopper is communicated through a bidirectional rubber belt conveyor, and two ends of the three-layer sieve feeding and discharging hopper are respectively connected with a finished stone pile of 80-40mm and a rear-section middle-crushing buffer bin; the discharge hopper of the three-layer screen is communicated with the feed inlet of the stone washer through a one-way rubber belt conveyor. In addition, suspended iron removers are arranged above the unidirectional rubber belt conveyor and the bidirectional rubber belt conveyor which are used for conveying materials outwards from the circular vibration washing pre-screening device, rubber belt electronic scales are arranged on the bidirectional rubber belt conveyor in the stacking direction of finished stone materials of 80-40mm, and vibrating feeders are hung at the bottoms of all buffer bins on the production line.
3. The production line of fine basalt machine-made sandstone aggregate according to claim 1, characterized in that: the vibrating feeder under the front-section middle-crushing buffer bin is connected with the feed end of the single-cylinder hydraulic cone crusher through the communication of the one-way rubber belt conveyor, and the discharge end of the single-cylinder hydraulic cone crusher is connected with the feed end of the triaxial elliptical horizontal vibration water washing classifying screen through the communication of the one-way rubber belt conveyor. The vibrating feeder under the middle crushing buffer bin in the rear section is connected with the feed end of the multi-cylinder hydraulic cone crusher through the communication of the one-way rubber belt conveyor, and the discharge end of the multi-cylinder hydraulic cone crusher is connected with the feed end of the three-shaft elliptical horizontal vibration water washing grading sieve through the communication of the one-way rubber belt conveyor. The discharge port of the stone washer is connected with the feed end of the triaxial elliptical horizontal vibration water washing grading sieve through the communication of the one-way rubber belt conveyor.
4. The production line of fine basalt machine-made sandstone aggregate according to claim 1, characterized in that: a layer of sieve outlet hopper of the triaxial elliptical horizontal vibration water washing grading sieve is connected with a rear-section medium-sized crushing buffer bin through the communication of a one-way rubber belt conveyor; the two-layer screening discharge hopper is communicated through a bidirectional rubber belt conveyor, two ends of the two-layer screening discharge hopper are respectively connected with a finished stone pile of 40-20mm and a sand making buffer bin, the three-layer screening discharge hopper is communicated through the bidirectional rubber belt conveyor, and two ends of the three-layer screening discharge hopper are respectively connected with the finished stone pile of 20-5mm and the sand making buffer bin; the four-layer screen oversize discharge hopper is communicated with a sand making buffer bin through a one-way rubber belt conveyor; the discharge hopper of the four-layer screen sieve is communicated with the feed inlet of the deep cone sand setting machine through a one-way rubber belt conveyor. The discharge port of the deep cone sand setting machine is connected with the feed port of a high weir buried type spiral sand washer, the discharge port of the high weir buried type spiral sand washer is connected with the feed port of a fine sand recovery and dehydration all-in-one machine through the communication of a one-way rubber belt conveyor, and the discharge port of the fine sand recovery and dehydration all-in-one machine is connected with a 5-0mm low-fineness modulus finished sand pile through the communication of the one-way rubber belt conveyor. The vibrating feeder under the sand making buffer bin is connected with the feed end of the vertical shaft impact type sand making machine through the communication of the one-way rubber belt conveyor, and the discharge end of the vertical shaft impact type sand making machine is connected with the feed end of the three-shaft oval horizontal vibration inspection sieve through the communication of the one-way rubber belt conveyor.
5. The production line of fine basalt intelligent environment-friendly fine granite machine-made sandstone aggregate according to claim 1, characterized in that: a layer of sieve outlet hopper of the triaxial elliptical horizontal vibration inspection sieve is connected with a sand making buffer bin through the communication of a one-way rubber belt conveyor; the two-layer screen oversize discharge hopper is communicated through a bidirectional rubber belt conveyor, and two ends of the two-layer screen oversize discharge hopper are respectively connected with a unidirectional rubber belt conveyor and a rod mill buffer bin which are communicated with a 5-0mm low-fineness modulus finished product sand pile, wherein a rubber belt electronic scale is arranged on the bidirectional rubber belt conveyor in the direction communicated with the unidirectional rubber belt conveyor; the discharge hopper of the two-layer screen is connected with the feed inlet of the air screening machine through the communication of the one-way belt conveyor.
6. The production line of fine basalt machine-made sandstone aggregate according to claim 1, characterized in that: the vibrating feeder under the rod mill buffer bin is connected with a feed inlet of the rod mill through the communication of the one-way belt conveyor, a discharge outlet of the rod mill is connected with a feed inlet of the high weir buried type spiral sand washer through the communication of the one-way belt conveyor, a discharge outlet of the high weir buried type spiral sand washer is connected with a feed inlet of the fine sand recovery and dehydration all-in-one machine through the communication of the one-way belt conveyor, and a discharge outlet of the fine sand recovery and dehydration all-in-one machine is connected with a 5-0mm high-fineness modulus finished sand pile through the communication of the one-way belt. The bottom sand discharge port of the air screening machine is connected with a 3-0mm finished sand pile through the communication of a one-way rubber belt conveyor, and the upper powder removal port of the air screening machine is connected with a dust collection port of a wet dust collector arranged at the rear section of the production line through the communication of a dust collection air pipe.
7. The production line of fine basalt machine-made sandstone aggregate according to claim 1, characterized in that: the dust collecting port of the wet dust collector arranged at the front section of the production line is respectively connected with the dust sources of the hydraulic gyratory crusher, the single-cylinder hydraulic cone crusher, the multi-cylinder hydraulic cone crusher, the unidirectional rubber belt conveyors, the vibrating feeder and the bidirectional rubber belt conveyors at the front section of the production line through the communication of the dust collecting air pipe; the wet dust collector arranged at the middle section of the production line is respectively connected with the vertical shaft impact sand making machine, the three-shaft elliptical horizontal vibration inspection sieve and dust sources of the unidirectional rubber belt conveyor, the vibration feeder and the bidirectional rubber belt conveyor at the middle section of the production line through the communication of the dust collecting air pipe; the liquid collecting ports of the wet dust collectors are communicated with a sewage pool through dust collecting liquid pipes, and in addition, a screening and washing sewage pipe for conveying washing stones, washing sand and washing sieve liquid on the production line is also connected to the sewage pool; a sludge pump is arranged in the sewage tank, the outlet of the sludge pump is connected with the inlet of the deep cone thickening and purifying integrated machine, the outlet at the bottom of the deep cone thickening and purifying integrated machine is connected with the inlet of another sludge pump, the outlet of the sludge pump is connected with the inlet of a belt filter press, and the outlet of the belt filter press is connected with a sludge cake stack. A transfer bin and a vibrating feeder are arranged below each finished product stack, a discharge port of the vibrating feeder is opposite to a feed port of a container of the transfer truck, and automobile electronic scales are arranged at the bottom of the transfer truck; the upper outlet of the deep cone thickening and purifying integrated machine is connected with the inlet of a clean water tank, two clean water pumps are arranged in the clean water tank, the water outlet of one clean water pump is communicated with the cleaning water inlets of the wet dust collectors through dust removal cleaning water pipes, the water outlet of the other clean water pump is connected with a screen cleaning water pipe, and in addition, a tap water pipe is communicated with the clean water tank.
8. The production line of fine basalt machine-made sandstone aggregate according to claim 1, characterized in that: the comprehensive monitoring control device is interconnected and intercommunicated with feeding, crushing, screening, powder removing, weighing, dust removing and sewage treatment devices of the production line.
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