CN112452502B - Fine basalt machine-made sandstone aggregate production line and technological process thereof - Google Patents
Fine basalt machine-made sandstone aggregate production line and technological process thereof Download PDFInfo
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- CN112452502B CN112452502B CN202011184257.9A CN202011184257A CN112452502B CN 112452502 B CN112452502 B CN 112452502B CN 202011184257 A CN202011184257 A CN 202011184257A CN 112452502 B CN112452502 B CN 112452502B
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- 238000012216 screening Methods 0.000 claims abstract description 75
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
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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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to the field of manufacturing of machine-made sandstone equipment, and provides a dry-wet combined intelligent environment-friendly production line for producing basalt machine-made sandstone aggregate, wherein the process flow is designed into three-section crushing, wet-process and dry-process combined production, and coarse crushing is produced by opening a circuit of a hydraulic gyratory crusher; the medium crushing is produced in a closed circuit by a cone crusher and classifying screening; the fine crushing is produced by breaking sand with a vertical shaft and checking and screening to form a dry method closed production and supplementing open production of a rod mill. The production line comprehensively utilizes the technical means of computer network, wireless communication, space positioning, geographic information and the like, and realizes the controllability of the whole production flow of the sand aggregate. By adopting the invention, the high quality of the aggregate can be ensured; secondly, green and environment-friendly production is realized; thirdly, the intellectualization and controllability of the process control can be realized.
Description
Technical Field
The invention relates to a machine-made sandstone aggregate production line, in particular to a fine basalt machine-made sandstone aggregate production line, and more particularly relates to a dry-wet combined intelligent environment-friendly fine basalt machine-made sandstone aggregate production line.
Background
In the traditional scheme for producing the machine-made sand aggregate in China, the method comprises dry sand making, wet sand making and dry-wet sand making combined sand making, but the equipment configuration and the process flow of a production line are insufficient no matter what the machine-made sand aggregate is produced: some production lines are unreasonable in equipment configuration and process design according to different raw stone materials, so that the quality of products is low, the products are firstly characterized by insufficient roundness of bone material grains, and the needle and sheet contents are more than 15%, so that aggregate coagulation and dissimilarity are poor; and secondly, the aggregate grading is unreasonable, the fineness modulus and the stone powder content are not up to the standard, the water content is not controllable, and the difference requirements of normal concrete and sand for roller compacted concrete are not met. Some production lines are environment-friendly and not up to standard, and although the dry method sand can solve the problem of high stone powder content of aggregate, a large amount of dust generated in the production process has serious pollution to the environment; the wet method is used for preparing the sand, the stone powder loss is large, the recovery is difficult, the stone powder content of the finished sand is low, the product grading is unreasonable, the quality is unqualified, the water resource recycling is difficult to realize, and the produced wastewater has large environmental pollution; the dry sand making system and the wet sand making system which are combined with each other to make sand have the defects of the dry sand making and the wet sand making, and the dry sand making and the wet sand making cannot be combined, so that the system is complex and the effect is the opposite. 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 prior art and provide a dry-wet combined intelligent environment-friendly fine basalt mechanism sand aggregate production line.
The technical proposal adopted for realizing the purpose of the invention is a dry-wet combined intelligent environment-friendly production line of basalt mechanism sandstone aggregate, the production line comprises 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 vibration feeder, a wet dust collector, a circular vibration washing pre-screening, a discharge hopper, a rubber belt electronic scale, a 80-40mm finished product pile, an operation 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 triaxial elliptic horizontal vibration washing classifying screen, a 20-5mm finished product pile, a deep cone sand settling machine, a high weir submerged spiral sand washer, a fine sand recycling dewatering integrated machine, a 5-0mm low-fineness finished product sand pile, a vertical shaft impact sand making machine, a dust collecting liquid pipe, a dust collecting pipe, a triaxial elliptic horizontal vibration checking screen, a rod mill, a 5-0mm high-fineness finished product sand pile, an air screening machine, a 3-0mm finished product pile, a deep cone dense integral sewage pump, a sludge pump, a sewage pipe cleaning water pipes and a cleaning pipe.
The production line serves a large road and bridge project, and the total amount of the concrete of the project is 168 ten thousand meters 3 The grading amount and total amount of the sand and stone materials required by engineering are as follows:
according to the peak-to-month strength of the concrete pouring construction of 8.67 ten thousand m 3 The concrete system hour production capacity is 260m according to the highest pouring capacity (roller compacted concrete control) of the initial setting time of the concrete 3 And/h, said production line being characterized in that the total throughput is determined to be 25.2 ten thousand t/month and the throughput of the finished product is 700t/h;
according to the requirement of the production capacity of the finished product material, the production allowance coefficient is 22% by taking the comprehensive factors such as processing loss, transportation loss, stacking loss, stone powder loss, unbalance coefficient and the like in the whole processing process into consideration, and the production line is further characterized in that the woolen material processing capacity is as follows: 700t/h× (1+22%) =854 t/h, design throughput takes 900t/h;
the production line is further characterized in that broken raw stone lithology is basalt, the basalt hardness is high, the abrasiveness is strong, and the breaking difficulty is high; the maximum particle size is 750mm, and the ratio of the maximum particle size to the product particle size is large;
the production line is further characterized in that the served engineering has higher requirements on concrete pouring strength, the three-level matched concrete aggregate is mainly used, the two-level matched concrete aggregate is considered, the concrete grades are different, the grading is different, and the stone powder content requirements are different.
The production line has the characteristics of large total production amount, high production strength and variable aggregate levels required by different time periods according to the system, and considers the characteristics of basalt of crushed rock and the large ratio of the maximum grain size of raw materials to the grain size of products, and is characterized in that the process flow design is designed into three-section crushing, wet method and dry method combined production by taking reasonable, reliable, environment-friendly, intelligent and adjustable as well as product quality guarantee into consideration, wherein coarse crushing is produced by opening a circuit of a hydraulic gyratory crusher; the medium crushing is produced in a closed circuit by a single-cylinder hydraulic cone crusher, a multi-cylinder hydraulic cone crusher and classifying screening; before fine crushing, a water washing pre-screening and stone washer is used for solving the problem of mud content in materials; the fine crushing is carried out by a dry closed-circuit production formed by breaking sand by a vertical shaft and checking and screening, and the 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 checking and screening, so that the difficult problem that the indexes of the sand 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 natural piling is combined to ensure that the artificial sand has lower and stable water content;
the production line adopts a combined sand making process of combining vertical impact breaking and rod mill, the vertical impact breaking sand making is mainly used, the rod mill sand making is used as adjustment in an auxiliary mode, and the vertical impact breaking sand making and the rod mill sand making are mutually complemented. The method is characterized in that the traditional single sand making mode is abandoned firstly: the conventional sand making method can be divided into vertical shaft impact type crushing machine sand and rod mill machine sand, the vertical shaft impact type crushing machine has the advantages of smaller volume, simpler foundation and higher efficiency than the rod mill, but the vertical shaft impact type crushing machine sand is incompletely made sand, needs closed cycle, has larger circulation volume in the process, has larger fineness modulus and coarser particles of the finished sand, has less ideal particle grading, and is easy to generate more coarse sand and stone powder and less intermediate grade particles; the rod mill machine-made sand is easy to adjust and stable in quality, but has the defects of low yield, large investment and high energy consumption; the experimental test and the application prove that the finished sand is formed by mixing three parts of vertical impact broken sand, rod mill broken sand and part less than 3mm inspection undersize powder sand, the grading is most reasonable, and the fineness modulus is more suitable;
the invention is further provided with: the production line complies with the excellent concept of 'multiple screening and less breaking' in the sand and stone aggregate production process design, and three screening procedures of pre-screening, classifying screening and checking screening are set, wherein the pre-screening and classifying screening is water washing screening, and the checking screening is dry screening.
By adopting the technical scheme, although the pre-screening and grading screening can lead to a production system to be relatively complex, the price of screening equipment is lower than that of crushing equipment, and the cost of vulnerable parts is lower, so that the initial investment and the later operation of the project are more economical;
the invention is further provided with: according to the productivity characteristics, the coarse crushing equipment adopts a hydraulic gyratory crusher.
By adopting the technical scheme, the hydraulic gyratory crusher has the advantages of stable performance, stable operation, convenient maintenance, large feeding grain diameter and processing capacity, good product grain shape, low energy consumption of unit products, capability of fully extruding and feeding, and no need of distributing equipment, and is ideal coarse crushing equipment suitable for the production scale of the sand and stone processing line;
the invention is further provided with: the production line is provided with pre-screening before middle crushing, and when the product contains part of 80-40mm marble and the process adopts a cone crusher to crush part of coarsely crushed large-diameter materials, the pre-screening is required before middle crushing.
By adopting the technical scheme, on one hand, the marble products with the specification of 80-40mm can be screened out in advance; secondly, the materials with the granularity smaller than that of the medium crushing discharging materials are screened out in advance through pre-screening, and the materials do not enter the medium crushing equipment, so that excessive crushing is avoided; the three aspects can control the material quantity and feeding force fed into the middle crushing equipment through the screen size of the pre-screening, and the specification of the crushing equipment can be reduced after the optimized configuration;
the invention is further provided with: the production line adopts water washing screening to screen according to the clean quality requirement of the product, and mud washing working procedures are further arranged after the pre-screening, and a spiral stone washer is adopted for treating mud in the mixture with the particle size less than or equal to 40mm in the coarse-crushing semi-finished product.
By adopting the technical scheme, the soil possibly carried in the mined raw materials can be removed, and the exquisite clean quality of the finished aggregate is ensured;
the invention is further provided with: the medium crushing equipment and the process flow of the production line adopt a single-cylinder and multi-cylinder hydraulic cone crusher, two-section crushing and closed cycle.
By adopting the technical scheme, the basalt ore has high hardness and high abrasion, the cone crusher has good adaptability to high-hardness materials, the service life of a vulnerable part is long, the single-cylinder cone crusher is the most reasonable choice for crushing in two sections, and the single-cylinder cone crusher adopts an independent single-acting cylinder, so that the equipment performance is more stable, and the upper and lower double-point support rotary main shaft is designed and optimized to crush the cavity, so that the operation is simple, the adjustment is flexible, the productivity efficiency is higher, and the single-cylinder cone crusher is especially good at crushing in the front section; the multi-cylinder cone crusher adopts a fixed main shaft, a multi-cylinder support design and an optimized crushing cavity, and combines the uniform feeding of a vibrating feeder to realize full bin feeding and lamination crushing, so that the multi-cylinder cone crusher has higher crushing force and yield, ensures that 10-30mm of material particles have good shape, low needle-like content, high ratio of 10-25 mm and low ratio of 0-10 mm, has a shaping function on the material produced by the single-cylinder cone crusher, and is more suitable for crushing in the later stage and medium crushing and feed-back;
the invention is further provided with: the production line is provided with grading screening after medium crushing, and when the product contains 40-20mm medium stones and 20-5mm small stones and the process adopts vertical shaft impact crushing to finely crush the large-diameter materials after the medium crushing, the grading screening is necessary after the medium crushing.
By adopting the technical scheme, the medium and small stone products with the specification and the size of 40-20mm and 20-5mm can be screened out in advance; the materials with the granularity smaller than the fine crushing discharging granularity are screened out in advance through classification screening, and do not enter fine crushing equipment, so that excessive crushing is avoided; the three-way classification screening can screen out coarse aggregate, and the medium crushing effect is improved by circularly beating the return material; the size of the screen mesh of the four-way classifying screen is used for controlling the material quantity and feeding force fed into the fine crushing equipment, and the shape selection specification of the fine crushing equipment can be reduced after the optimized configuration;
the invention is further provided with: and the three-shaft elliptical horizontal vibrating screen is selected for grading screening and checking screening of the production line.
By adopting the technical scheme, the triaxial elliptical horizontal vibrating screen has the installation inclination angle of 0 DEG, so that the triaxial elliptical horizontal vibrating screen has larger screening area, adopts a triaxial synchronous linkage excitation mode, has larger amplitude, has adjustable amplitude and frequency, can ensure higher screening efficiency, and is particularly suitable for checking and screening finished products of aggregate;
the invention is further provided with: 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 adopt reinforced concrete frame structures, and an electric vibration feeder with variable frequency and speed is arranged below the buffer bins.
By adopting the technical scheme, continuous and stable feeding of the crushing equipment can be ensured, so that the equipment can exert ideal performance, the volume of the buffer bin is not required to be excessively large, and the buffer feeding time of about 10min can be ensured;
the invention is further provided with: the sand making equipment of the production line adopts a vertical shaft impact crusher, the feeding sources are classified and screened, and after the materials are crushed by the vertical shaft impact crusher, the materials are fed into a finished product inspection sieve, and the finished product inspection sieve and the vertical shaft impact crusher form closed circulation.
By adopting the technical scheme, the unique 'Dan Tiehun beat' structure of the vertical shaft impact crusher and the waterfall flow feeding system can realize the effective control of the grain type of the product in the ways of adjusting the waterfall flow, the rotating speed of the impeller and the like according to the raw stone characteristics of basalt, and obtain the finished sand with better grain size distribution and grain type;
the invention is further provided with: in the process design of the production line, in order to properly improve the stone powder content in the sand stone and improve the mixing and comprehensive mechanical properties of concrete, firstly, the sieved 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 sedimentation area is long, and the stone powder loss is small; in addition, dry sand making is adopted for fine crushing, and dry screening is adopted for checking and screening;
by adopting the technical scheme, the powder content of the sand is ensured;
the invention is further provided with: in the process design of the production line, a pre-dewatering mode is adopted, namely pre-dewatering is adopted, namely qualified sand after screening is checked, the qualified sand is discharged into a belt conveyor through a spiral sand washer, and then the belt conveyor is fed into a fine sand recycling and dewatering integrated machine arranged at the tail part of the belt conveyor, and the fine sand is pre-dewatered through a dewatering screen and then is conveyed to a finished sand storage yard.
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 less than 2%;
the invention is further provided with: in the process design of the production line, grading powder selection is arranged on sand products with the diameter less than 3mm after inspection and grading.
By adopting the technical scheme, the stone powder of the part of materials smaller than 3mm in the sand product is regulated and controlled, and the fineness modulus and the stone powder content of the sand product after mixing are ensured;
the invention is further provided with: the production line adopts a fixed-point stacking mode of a tape machine for each grain-level aggregate finished product, an aggregate stacking field is divided into 4 areas according to grain grades, 80-40mm, 40-20mm, 20-5mm and 5-0mm, wherein the technical requirements of the normal concrete sand and the roller compacted concrete sand are different, particularly the stone powder content requirements are different, the normal concrete sand and the roller compacted concrete are stacked according to the sand use condition, and the areas are separated by mortar Dan Dangqiang; the upper part of each bin is provided with a rain-proof shed; the aggregate storage yard is in a reinforced concrete gallery structure, a drainage blind ditch is arranged at the bottom, and drainage ditches are arranged around the aggregate storage yard; a vibration feeder is arranged below the gallery, a tape machine is used for feeding materials to a loading bin, a metal structure descent control device is arranged at the throwing position of 80-40 and 40-20 broken stones, finished coarse aggregate is loaded by the loading bin, flying stones are prevented from injuring people in production operation, potential safety hazards of loading equipment are broken, and system production operation management cost is reduced.
By adopting the technical scheme, the mixing of aggregates at all levels is avoided; 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, ensuring that the wastewater is not discharged, and forming closed-circuit wastewater treatment circulation; fourthly, 80-40 and 40-20 large and medium stone products are delivered safely, the phenomenon that flying stones hurt people in production operation is avoided, potential safety hazards of loading equipment are crushed, and the production operation management cost of the system is reduced;
the invention is further provided with: the production line adopts a dry-wet combination method, and water plays a powerful role in dust suppression and dust removal in the procedures of pre-screening, stone washing, sand washing and rod grinding; the production line is provided with three sets of centralized wet dust removal devices, and dust is collected at dust raising points of other dry production procedures on the production line in a centralized manner; the production line has the advantages that the screen washing, stone washing, sand washing, rod grinding, pre-threshing, stacking and dedusting water share the same set of closed sewage treatment system capable of being recycled, so that the sewage is prevented from being discharged outwards, and the environment is polluted. In addition, in the structural design of noise reduction, the production line designs hoppers, chute and the like into a stone-beating form so as to reduce the metal beating, abrasion and noise of the stone-beating metal. The method realizes that the external noise of 40 meters of the factory boundary is below 65dB, and meets the requirements of national standard GB12348-2008 environmental noise emission Standard of industry enterprises factory boundary.
By adopting the technical scheme, the sewage treatment system and the wet dust removal system of the production line are integrated, so that the environmental protection of the production line is realized in an omnibearing manner;
the invention is further provided with: the whole production line adopts crushing and screening equipment with operation and regulation means; and a high-precision weighing and intelligent belt conveyor conveying system is configured on the whole line.
By adopting the technical scheme, the production line is convenient to realize on-line intelligent control, and can obey the overall operation requirement of the production line, and the crushing ratio is randomly and real-time allocated; the production line aggregate production capacity metering and sales metering real-time accurate control can be realized according to the production capacity requirement;
the invention is further provided with: the production line comprehensively utilizes the technical means of computer network, wireless communication, space positioning, geographic information and the like to integrate the monitoring and control information of the operation of all the constituent devices of the production line into a set of intelligent monitoring and control system.
By adopting the technical scheme, the dynamic control on the sand and aggregate production line can be realized, and the controllability and the 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 particle has hard texture, cleanness, good shape, good special appearance, good and reasonable secondary composition, and can meet the requirements of the sand for the primary and secondary concrete and the sand for the tertiary concrete with higher standards especially for machine-made sand;
2. the production process is green and environment-friendly. The production line is combined in a dry-wet mode, a wet dust removal system formed by a plurality of dust removal devices is integrated with a closed sewage treatment system, and 99.8% recovery treatment of dust and sewage is realized; the design of ' stone beating ' of a hopper, a chute and the like is adopted to realize the noise reduction requirement of meeting the national standard ' environmental noise emission standard of factory in GB12348-2008 industrial enterprises;
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 process 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 diagram of the present invention: a schematic diagram of a dry-wet combined intelligent environment-friendly type fine basalt machine-made sandstone aggregate production line.
Only the types and flows of the equipment constituting the production line are accurately marked in the figure to explain the flow principle of the production line, but the number of the equipment of the production line is not marked for the production capacity requirement, and the production yield of the production line will not be described.
In the figure, arrows on the sides of the unidirectional rubber belt conveyor (4) and the bidirectional rubber belt conveyor (17) indicate the direction of material conveying; the arrow on the dust collecting liquid pipe (29) indicates the flowing direction of dust accumulation liquid formed after the dust and water are fused; the arrow on the dedusting cleaning water pipe (30) indicates the flowing direction of the cleaning water produced after sewage treatment; the arrow on the dust collection air pipe (31) indicates the direction of dust collected by the dust collection system from the dust raising point to flow into the dust collector.
In the figure, 1, a raw stone self-unloading transport vehicle, 2, a raw 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 vibration feeder, 7, a wet dust collector, 8, a circular vibration washing pre-sieve, 9, a discharge hopper, 10, a rubber belt electronic scale, 11, 80-40mm finished products Dan Liaodui, 12, a freight car, 13, an automobile electronic scale, 14, a comprehensive monitoring control device, 15, a buffer bin, 16, a suspension 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, a three-axis elliptical horizontal vibration washing classification sieve, 23, 20-5mm finished stone piles, 24, a deep cone sand setting machine, 25, a high weir submerged spiral sand washing machine, 26, a fine sand recycling and dewatering integrated machine, 27, 5-0mm low-fineness modulus finished sand piles, 28, a vertical shaft impact sand making machine, 29, a dust collecting liquid pipe, 30, a dust removing clean water pipe, 31, a dust collecting air pipe, 32, a triaxial elliptical horizontal vibration checking screen, 33, a rod mill, 34, 5-0mm high-fineness modulus finished sand piles, 35, an air screening machine, 36, 3-0mm finished sand piles, 37, a deep cone dense purifying integrated machine, 38, a sludge pump, 39, a belt filter press, 40, a sewage tank, 41, a clean water tank, 42, a clean water pump, 43, a mud cake pile, 44, a screening clean water pipe, 45, a screening sewage pipe, 46 and a tap water pipe.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
In fig. 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 communicated with a coarse aggregate semi-finished product pile (5) through a unidirectional rubber belt conveyor (4). A reinforced concrete conveying gallery is arranged below the coarse aggregate semi-finished product material pile (5), a vibration feeder (6) is suspended in the gallery, and the vibration feeder (6) is connected with the feeding end of the circular vibration water washing pre-screen (8) through the communication of the unidirectional rubber belt conveyor (4). A layer of screen of the circular vibration water washing pre-screen (8) plays a role in buffering protection; 1. the two-layer screen shared discharging hopper (9) is communicated with the crushing buffering bin (15) in the front section through the unidirectional tape conveyor (4); the three-layer sieve feeding and discharging hopper (9) is communicated by a bidirectional rubber belt conveyor (17), and two ends of the three-layer sieve feeding and discharging hopper are respectively connected with a finished product Dan Liaodui (11) with the diameter of 80-40mm and a crushing and buffering bin (15) in the rear section; the discharging hopper of the three-layer sieve is communicated with the feeding port of the stone washer (19) through the unidirectional rubber belt conveyor (4). In addition, a suspension type iron remover (16) is arranged above a unidirectional rubber belt conveyor (4) and a bidirectional rubber belt conveyor (17) which are used for conveying materials outwards from a circular vibration water washing pre-screen (8), an adhesive belt electronic scale (10) is arranged on the bidirectional rubber belt conveyor (17) in the direction of a finished product Dan Liaodui (11) of 80-40mm, and a vibration feeder (6) is hung at the bottom of all buffer bins (15) on the production line. The vibrating feeder (6) under the crushing buffering bin (15) in the front section is connected with the feeding end of the single-cylinder hydraulic cone crusher (18) through the communication of the unidirectional tape conveyor (4), and the discharging end of the single-cylinder hydraulic cone crusher (18) is connected with the feeding end of the triaxial elliptical horizontal vibration washing classifying screen (22) through the communication of the unidirectional tape conveyor (4). The vibrating feeder (6) under the crushing buffering bin (15) in the rear section is connected with the feeding end of the multi-cylinder hydraulic cone crusher (20) through the communication of the unidirectional tape conveyor (4), and the discharging end of the multi-cylinder hydraulic cone crusher (20) is connected with the feeding end of the triaxial elliptical horizontal vibration washing classifying screen (22) through the communication of the unidirectional tape 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 unidirectional tape conveyor (4).
A layer of screening hopper (9) of the triaxial elliptical horizontal vibration washing classifying screen (22) is communicated with a crushing buffer bin (15) in the rear section through a unidirectional rubber belt conveyor (4); the two-layer screening hopper (9) is communicated with a bi-directional rubber belt conveyor (17), two ends of the two-layer screening hopper are respectively connected with a finished product Dan Liaodui (21) with the diameter of 40-20mm and a sand making buffer bin (15), the three-layer screening hopper (9) is communicated with the bi-directional rubber belt conveyor (17), and two ends of the three-layer screening hopper are respectively connected with a finished product Dan Liaodui (23) with the diameter of 20-5mm and the sand making buffer bin (15); the feeding and discharging hopper (9) of the four-layer sieve is communicated with the sand making buffer bin (15) through the unidirectional rubber belt conveyor (4); the discharging hopper of the four-layer sieve is communicated with the feeding port of the deep cone sand setting machine (24) through a unidirectional rubber belt conveyor (4). The discharge port of the deep cone sand setting machine (24) is connected with the feed port of the high weir submerged spiral sand washing machine (25), the discharge port of the high weir submerged spiral sand washing machine (25) is connected with the feed port of the fine sand recycling and dewatering integrated machine (26) through the communication of the unidirectional adhesive tape conveyor (4), and the discharge port of the fine sand recycling and dewatering integrated machine (26) is connected with the 5-0mm low-fineness modulus finished sand pile (27) through the communication of the unidirectional adhesive tape conveyor (4). The vibrating feeder (6) under the sand making buffer bin (15) is connected with the feeding end of the vertical shaft impact sand making machine (28) through the communication of the unidirectional tape conveyor (4), and the discharging end of the vertical shaft impact sand making machine (28) is connected with the feeding end of the triaxial elliptical horizontal vibration inspection screen (32) through the communication of the unidirectional tape conveyor (4).
A layer of screening hopper (9) of the triaxial elliptical horizontal vibration inspection screen (32) is communicated with the sand making buffer bin (15) through a unidirectional rubber belt conveyor (4); the two-layer sieve feeding and discharging hopper (9) is communicated with a two-way rubber belt conveyor (17), two ends of the two-way rubber belt conveyor are respectively connected with a one-way rubber belt conveyor (4) communicated with a 5-0mm low-fineness modulus finished sand pile (27) and a rod mill buffer bin (15), wherein the two-way rubber belt conveyor (17) is provided with a rubber belt electronic scale (10) in the direction communicated with the one-way rubber belt conveyor (4); the discharging hopper of the two-layer screen is communicated with the feeding port of the air screening machine (35) through a unidirectional rubber belt conveyor (4). The vibration feeder (6) under the rod mill buffering bin (15) is connected with the feed inlet of the rod mill (33) through the communication of the unidirectional belt conveyor (4), the discharge outlet of the rod mill (33) is connected with the feed inlet of the high-weir submerged spiral sand washer (25) through the communication of the unidirectional belt conveyor (4), the discharge outlet of the high-weir submerged spiral sand washer (25) is connected with the feed inlet of the fine sand recycling and dewatering integrated machine (26) through the communication of the unidirectional belt conveyor (4), and the discharge outlet of the fine sand recycling and dewatering integrated machine (26) is connected with the 5-0mm high-fineness modulus finished sand pile (34) through the communication of the unidirectional belt conveyor (4). The bottom sand discharge port of the air screening machine (35) is communicated with a 3-0mm finished sand pile (36) through a one-way adhesive tape conveyor (4), and the upper powder removal port is communicated with a dust collection port of a wet dust collector (7) arranged at the rear section of the production line through a dust collection air pipe (31); the dust collection port of the wet dust collector (7) arranged at the front section of the production line is respectively connected with the hydraulic gyratory crusher (3), the single-cylinder hydraulic cone crusher (18), the multi-cylinder hydraulic cone crusher (20) and dust sources of each one-way adhesive tape conveyor (4), the vibration feeder (6) and the two-way adhesive tape conveyor (17) at the front section of the production line through the communication of a dust collection air pipe (31); the wet dust collector (7) arranged at the middle section of the production line is respectively connected with dust sources of the vertical shaft impact sand making machine (28), the triaxial elliptical horizontal vibration inspection screen (32), the unidirectional adhesive tape conveyor (4), the vibration feeder (6) and the bidirectional adhesive tape conveyor (17) at the middle section of the production line through the communication of the dust collecting air pipe (31); the liquid collecting ports of the wet dust collectors (7) are communicated with a dust collecting liquid pipe (29) and are connected with a sewage tank (40), and a screen washing sewage pipe (45) for conveying stone washing, sand washing and screen washing liquid on the production line is also connected with the sewage tank (40); a sludge pump (38) is arranged in the sewage tank (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 of the bottom of the deep cone thickening and purifying integrated machine (37) is connected with the inlet of the other 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 mud cake pile (43). A transfer bin and a vibrating feeder are arranged below each finished product pile, a discharge hole of the vibrating feeder is opposite to a container feed hole of a 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 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 inlets of all wet dust collectors (7) through a dust removing clean water pipe (30), the water outlet of the other clean water pump is connected with a screening 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 communicated with each feeding, crushing, screening, powder removing, weighing, dust removing and sewage treatment device of the production line.
By adopting the invention, the process flow of the dry-wet combined intelligent environment-friendly fine basalt mechanism sandstone aggregate production line is as follows:
raw stone self-unloading transport vehicle (1) transports the woolen raw stone less than 750mm, pour it into raw stone receiving pit (2), start production line, hydraulic gyratory crusher (3) full-cavity feeding, coarse crushing, adjusting the ore discharge port of hydraulic gyratory crusher (3) to 250mm, after crushing, piling up coarse aggregate semi-finished product stockpile (5) through unidirectional tape conveyor (4). And a vibrating feeder (6) suspended in the tunnel at the bottom of the semi-finished product stack (5) uniformly feeds, and a circular vibrating water washing pre-screening (8) is fed through a unidirectional rubber belt conveyor (4). The circular vibration washing pre-screening (8) has the advantages that one layer of screening net is 120mm, the buffering and protecting effects are achieved, two layers of screening nets are 80mm, three layers of screening nets are 40mm, more than 80mm of materials are fed into a one-section medium crushing buffering bin (15) from a one-way rubber belt conveyor (4) from a one-way rubber belt common discharging hopper (9), and a vibrating feeder (6) hung at the bottom of the bin is uniformly fed into a single-cylinder hydraulic cone crusher (18) for one-section medium crushing from the one-way rubber belt conveyor (4); the 80-40mm part of materials are piled into 80-40mm finished products Dan Liaodui (11) from a three-layer sieve feeding and discharging hopper (9) in a forward running mode by a bidirectional rubber belt conveyor (17), a loading and transporting truck (12) is used for delivering, an automobile electronic scale (13) is used for metering the delivery amount of the finished products, the rubber belt electronic scale (10) is used for controlling the production amount of 80-40mm finished stones, the redundant 80-40mm finished stones are sent into a two-stage medium-crushing buffering bin (15) in a reverse running mode by the bidirectional rubber belt conveyor (17), and a vibrating feeder (6) hung at the bottom of the bin is used for uniformly feeding and is sent into a multi-cylinder hydraulic cone crusher (20) for two-stage crushing by a unidirectional rubber belt conveyor (4); and feeding a part of 40-0mm material from a three-layer sieve discharging hopper into a stone washer (19) by a one-way rubber belt conveyor (4), and rubbing and washing the part of mixed material by the stone washer (19) to remove mud. The one-way rubber belt conveyor (4) and the two-way rubber belt conveyor (17) which are arranged on the circular vibration water washing pre-screen (8) are used for conveying materials outwards, and the suspended iron remover (16) is used for removing hard iron in the materials. Clean water required for pre-screening and stone washing is conveyed from a clean water tank (41) through a clean water pump (42) and a screen washing clean water pipe (44), and wastewater generated by pre-screening and stone washing enters a sewage tank (40) through a screen washing sewage pipe (45). The materials crushed by the single-cylinder hydraulic cone crusher (18) and the multi-cylinder hydraulic cone crusher (20) and the materials removed by the stone washer (19) are respectively sent into a triaxial elliptical horizontal vibration washing classifying screen (22) by a three-way unidirectional tape conveyor (4).
The three-shaft elliptical horizontal vibration washing classifying screen (22) comprises a first screen 40mm, a second screen 20mm, a third screen 5mm, a fourth screen 3mm and more than 40mm, wherein part of materials are sent back to a crushing buffering bin (15) in the second section from a screening hopper (9) of the first screen by a one-way adhesive tape conveyor (4), and are uniformly fed by a vibrating feeder (6) hung at the bottom of the bin, and are sent to a multi-cylinder hydraulic cone crusher (20) to be crushed again by the one-way adhesive tape conveyor (4) to form closed cycle; the 40-20mm part of materials are piled into 40-20mm finished products Dan Liaodui (21) from a two-layer screening hopper (9) in a forward running mode by a bidirectional adhesive tape conveyor (17), a loading and transporting truck (12) is used for delivering goods, an automobile electronic scale (13) is used for metering the delivery quantity of the finished products, and an adhesive tape electronic scale (10) is used for controlling the production quantity of 40-20mm finished products, so that redundant 40-20mm finished products are sent into a fine crushing buffer bin (15) in a reverse running mode by the bidirectional adhesive tape conveyor (17); the material of 20-5mm is piled into 20-5mm finished products Dan Liaodui (23) from a three-layer screening hopper (9) in a forward running mode by a bidirectional adhesive tape conveyor (17), a loading and transporting truck (12) is used for delivering goods, an automobile electronic scale (13) is used for metering the delivery quantity of the finished products, and an adhesive tape electronic scale (10) is used for controlling the production quantity of 20-5mm finished products, so that redundant 20-5mm finished products are sent into a fine crushing buffering bin (15) in a reverse running mode by the bidirectional adhesive tape conveyor (17); the 5-3mm part of materials are sent into a fine crushing buffer bin (15) from a four-layer screen feeding and discharging hopper (9) by a unidirectional rubber belt conveyor (4); the 3-0mm part of materials are sent into a deep cone sand setting machine (24) from a hopper under a four-layer sieve screen by a one-way adhesive tape conveyor (4), enter a high-weir submerged spiral sand washer (25) from an outlet at the bottom of the deep cone sand setting machine after being pre-concentrated, remove sludge by the high-weir submerged 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 fine sand loss, and qualified sand is piled into a 5-0mm low-fineness modulus finished sand pile (27) by the one-way adhesive tape conveyor (4).
The electric vibration feeder (6) suspended at the bottom of the fine crushing buffering bin (15) is used for uniformly feeding materials, the materials are fed into the vertical shaft impact sand making machine (28) by the unidirectional tape conveyor (4), and the materials crushed by the vertical shaft impact sand making machine (28) are fed into the triaxial elliptical horizontal vibration inspection sieve (32) by the unidirectional tape conveyor (4). The triaxial elliptic horizontal vibration inspection screen (32) is characterized in that one layer of screen cloth is 5mm, two layers of screen cloth are 3mm, more than 5mm of materials are sent back to a fine crushing buffering bin (15) from a screening hopper (9) of the first layer of screen cloth by a unidirectional rubber belt conveyor (4), a vibration feeder (6) hung at the bottom of the bin is used for uniformly feeding, and the materials are sent to a vertical shaft impact sand making machine (28) by the unidirectional rubber belt conveyor (4) for re-crushing to form closed circulation; the 5-3mm part of materials are fed into a unidirectional tape conveyor (4) from a two-layer screen feeding and discharging hopper (9) in a forward running mode by a bidirectional tape conveyor (17), are mixed and piled into a 5-0mm low-fineness modulus finished product sand pile (27) together with the 3-0mm materials after being crushed, the 5-3mm finished product stone production quantity is controlled by an adhesive tape electronic scale (10) and the fineness modulus adjustment requirement of the 5-0mm low-fineness modulus finished product sand (27) is met, the redundant 5-3mm finished product stone is fed into a rod mill buffering bin (15) in a reverse running mode by the bidirectional tape conveyor (17), and the qualified 5-0mm low-fineness modulus finished product sand (27) is loaded into a transport truck (12) to be delivered, and the finished product delivery quantity is metered by an automobile electronic scale (13); the 3-0mm part of materials are sent into a powder discharging device, namely an air screening machine (35), from a two-layer screen discharging hopper by a one-way adhesive tape conveyor (4), the powder discharging amount can be randomly adjusted according to production requirements, the operation parameters of the air screening machine (35) are randomly adjusted 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 piled into a 3-0mm finished sand pile (36) from the outlet at the bottom of the air screening machine (35) by the one-way adhesive tape conveyor (4), and the finished sand pile is loaded into a delivery truck (12) for delivery, and the delivery amount of the finished sand pile is metered by an automobile electronic scale (13).
The electric vibration feeder (6) suspended at the bottom of the rod mill buffering bin (15) is used for uniformly feeding, the rod mill (33) is fed by the unidirectional tape conveyor (4), the rod mill (33) is opened and broken, the rod mill (33) is fed by the unidirectional tape conveyor (4) into the high-weir submerged spiral sand washer (25), the high-weir submerged spiral sand washer (25) is used for grading the mixture, qualified sand required by production is fed by the unidirectional tape conveyor (4) into the fine sand recycling and dewatering integrated machine (26), and after pre-dewatering and fine sand recycling, the qualified sand is fed by the unidirectional tape conveyor (4) to a 5-0mm high-fineness modulus finished sand pile (34) for stacking, and then the qualified sand is loaded into the delivery truck (12) for delivery, and the delivery quantity of the finished product is metered by the automobile electronic scale (13). The cleaning 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 screen washing cleaning water pipe (44); when the water quantity in the clean water tank (41) is insufficient, the clean water is automatically replenished through a tap water pipe (46); the waste water produced by rod milling, sand washing and dewatering is returned to the sewage tank (40) through a screen washing sewage pipe (45).
Dust generated by a crusher, a sieving machine, a feeding machine feeding (dropping) point and a conveyor transferring point at the front and middle sections of the production line is respectively conveyed into two wet dust collectors (7) arranged at the front and middle sections of the production line by a dust collecting air pipe (31), and dust sieved by an air sieving machine (35) is singly conveyed into the wet dust collectors (7) arranged at the rear section of the production line by the dust collecting air pipe (31); and a clean water pump (42) placed in the clean water tank (41) simultaneously, clean water is input into each wet dust collector (7) through a dust removal clean water pipe (30), dust gas and clean water interact in the wet dust collectors (7), after multiple purification reactions such as washing, atomization, gravity, inertia, separation chambers, multiple pipes and the like, the purified gas is discharged upwards to the atmosphere from an exhaust pipe of the wet dust collectors (7), dust collection liquid falls into a bottom dust hopper of the wet dust collectors (7), the dust collection liquid is conveyed back to a sewage tank (40) through a dust collection liquid pipe (29), the large-particle dust is deposited in the sewage tank (40), the large-particle dust is periodically cleaned by an automatic excavating machine after being deposited, mud is input into a deep cone concentration purification integrated machine (37) through a mud pump (38), the part of the material is separated into an upper part and a lower part, the upper part of clean water automatically flows into the clean water tank (41) from an upper outlet of the deep cone concentration integrated machine (37), the lower part of the clean water flows into a clean water tank (41) through a lower outlet of the deep cone concentration integrated machine (37) to act on a filter press (39), the lower part of the clean water is conveyed back into a finished product cake production truck (13) through a belt type mud cake delivery scale (39), and the produced by the production truck delivery capacity is conveyed into the clean water truck (13) after the delivery truck delivery capacity is conveyed into the clean water truck (13).
The production line hoppers, the hopper, the feed box, the distributing tray, the chute, the descent control device and the like are designed and manufactured into a stone-beating form so as to reduce the beating, abrasion and noise of the stone-beating iron metal.
The whole production line adopts crushing screening equipment with operation and regulation means, the whole line is provided with a high-precision weighing and intelligent belt conveyor conveying system, and a comprehensive monitoring control device (14) connects all the equipment of the production line into an integral monitoring and control network by utilizing the technologies of computer network, wireless communication technology, space positioning technology, geographic information and the like, so that the dynamic management and control of the sand aggregate production line are realized, and the controllability and the flexibility of the whole production flow of the production line are realized.
Claims (2)
1. A production line of fine basalt machine-made sandstone aggregate, the device consists of a raw stone self-unloading transport vehicle, a raw stone receiving pit, a hydraulic gyratory crusher, a unidirectional tape conveyor, a coarse aggregate semi-finished product pile, a vibration feeder, a wet dust collector, a circular vibration washing pre-screening, a discharge hopper, an adhesive tape electronic scale, a 80-40mm finished product pile, a transport truck, an automobile electronic scale, a comprehensive monitoring control device, a buffer bin, a suspension iron remover, a bidirectional tape conveyor, a single-cylinder hydraulic cone crusher, a stone washer, a multi-cylinder hydraulic cone crusher, a 40-20mm finished product pile, a triaxial elliptic horizontal vibration washing classifying screen, a 20-5mm finished product pile, a deep cone sand setting machine, a high weir submerged spiral sand washer, a fine sand recycling dewatering integrated machine, a 5-0mm low-fineness modulus sand pile, a vertical shaft impact sand making machine, a dust collecting liquid pipe, a dust collecting air pipe, a triaxial elliptic horizontal vibration checking screen, a rod mill, a 5-0mm high-fineness modulus sand pile, an air screening machine, a 3-0mm finished product pile, a deep cone compact dense purifying integrated machine, a sludge pump, a sewage pump, a water filter, a cleaning pipe, a cleaning water pipe and the like:
the hydraulic gyratory crusher is arranged below the raw stone receiving pit, and a discharge hole of the hydraulic gyratory crusher is communicated with the coarse aggregate semi-finished product pile through a unidirectional rubber belt conveyor; a reinforced concrete conveying gallery is arranged below the coarse aggregate semi-finished product material pile, a vibration feeder is suspended in the gallery, and the vibration feeder is communicated with a feeding end of the circular vibration water washing pre-screen through a unidirectional adhesive tape conveyor; a layer of screen of the circular vibration water washing pre-screen plays a role in buffering protection; 1. the two-layer screen shared discharging hopper is communicated with the crushing buffering bin in the front section through a unidirectional rubber belt conveyor; the feeding and discharging hopper of the three-layer sieve is communicated by a bidirectional rubber belt conveyor, and two ends of the feeding and discharging hopper are respectively connected with a 80-40mm finished stone pile and a crushing buffering bin in the rear section; the discharging hopper of the three-layer sieve is communicated with the feeding port of the stone washer through a unidirectional rubber belt conveyor; in addition, a one-way rubber belt conveyor for conveying materials outwards from a circular vibration water washing pre-screen, a suspension type iron remover and a two-way rubber belt conveyor are arranged above the two-way rubber belt conveyor, the two-way rubber belt conveyor is provided with a rubber belt electronic scale in the direction of a 80-40mm finished stone pile, and the bottoms of all buffer bins on a production line are provided with vibration feeders in a hoisting mode; the vibrating feeder under the crushing buffering bin in the front section is communicated with the feeding end of the single-cylinder hydraulic cone crusher through a one-way adhesive tape conveyor, and the discharging end of the single-cylinder hydraulic cone crusher is communicated with the feeding end of the triaxial elliptical horizontal vibration washing classifying screen through the one-way adhesive tape conveyor; the vibrating feeder under the crushing buffering bin in the rear section is connected with the feeding end of the multi-cylinder hydraulic cone crusher through the communication of the unidirectional tape conveyor, and the discharging end of the multi-cylinder hydraulic cone crusher is connected with the feeding end of the triaxial elliptical horizontal vibration washing classifying screen through the communication of the unidirectional tape conveyor; the discharge port of the stone washer is communicated with the feed end of the triaxial elliptical horizontal vibration washing classifying screen through a unidirectional rubber belt conveyor;
a layer of screen discharging hopper of the triaxial elliptical horizontal vibration washing classifying screen is communicated with a crushing buffering bin in the rear section through a unidirectional rubber belt conveyor; the two-layer screen discharging hopper is communicated with the two-way adhesive tape conveyor, two ends of the two-layer screen discharging hopper are respectively connected with the 40-20mm finished product stone pile and the sand making buffer bin, the three-layer screen discharging hopper is communicated with the two-way adhesive tape conveyor, and two ends of the three-layer screen discharging hopper are respectively connected with the 20-5mm finished product stone pile and the sand making buffer bin; the feeding and discharging hopper of the four-layer sieve is communicated with the sand making buffering bin through a unidirectional rubber belt conveyor; the discharging hopper of the four-layer screen is communicated with the feeding port of the deep cone sand setting machine through a unidirectional rubber belt conveyor; the discharging port of the deep cone sand setting machine is connected with the feeding port of the high weir submerged spiral sand washing machine, the discharging port of the high weir submerged spiral sand washing machine is connected with the feeding port of the fine sand recycling and dewatering integrated machine through the communication of the unidirectional tape conveyor, and the discharging port of the fine sand recycling and dewatering integrated machine is connected with the 5-0mm low-fineness modulus finished sand pile through the communication of the unidirectional tape conveyor; the vibration feeder under the sand making buffer bin is connected with the feeding end of the vertical shaft impact sand making machine through the communication of the unidirectional tape conveyor, and the discharging end of the vertical shaft impact sand making machine is connected with the feeding end of the triaxial elliptical horizontal vibration inspection sieve through the communication of the unidirectional tape conveyor;
a layer of screen discharge hopper of the triaxial elliptical horizontal vibration inspection screen is communicated with a sand making buffer bin through a unidirectional rubber belt conveyor; the two-layer sieve feeding and discharging hopper is communicated with a two-way rubber belt conveyor, two ends of the two-layer sieve feeding and discharging hopper are respectively connected with a one-way rubber belt conveyor and a rod mill buffering bin which are communicated with a 5-0mm low-fineness modulus finished sand pile, wherein the two-way rubber belt conveyor is provided with a rubber belt electronic scale in the direction communicated with the one-way rubber belt conveyor; the discharging hopper of the two-layer screen is communicated with the feeding port of the air screening machine through a unidirectional rubber belt conveyor;
the vibration feeder under the rod mill buffering bin is connected with the feed inlet of the rod mill through the communication of the unidirectional belt conveyor, the discharge outlet of the rod mill is connected with the feed inlet of the high-weir submerged spiral sand washer through the communication of the unidirectional belt conveyor, the discharge outlet of the high-weir submerged spiral sand washer is connected with the feed inlet of the fine sand recycling and dewatering integrated machine through the communication of the unidirectional belt conveyor, and the discharge outlet of the fine sand recycling and dewatering integrated machine is connected with a 5-0mm high-fineness modulus finished sand pile through the communication of the unidirectional belt conveyor; the bottom sand discharge port of the air screening machine is communicated with a 3-0mm finished sand pile through a one-way rubber belt conveyor, and the upper dust removal port is communicated with a dust collection port of a wet dust collector arranged at the rear section of the production line through a dust collection air pipe;
the dust collection port of the wet dust collector arranged at the front section of the production line is respectively connected with dust sources of the hydraulic gyratory crusher, the single-cylinder hydraulic cone crusher, the multi-cylinder hydraulic cone crusher, the unidirectional tape conveyor, the vibration feeder and the bidirectional tape conveyor at the front section of the production line through the communication of a dust collection air pipe; the wet dust collector arranged at the middle section of the production line is respectively connected with dust sources of the vertical shaft impact sand making machine, the triaxial elliptical horizontal vibration inspection screen, 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 a dust collecting air pipe; the liquid collecting ports of the wet dust collectors are communicated through dust collecting liquid pipes and are connected with a sewage tank together, and in addition, a screen washing sewage pipe for conveying stone washing, sand washing and screen washing liquid on a production line is also connected with the sewage tank; a sludge pump is arranged in the sewage pool, an outlet of the sludge pump is connected with an inlet of the deep cone thickening and purifying integrated machine, an outlet at the bottom of the deep cone thickening and purifying integrated machine is connected with an inlet of another sludge pump, an outlet of the sludge pump is connected with an inlet of a belt filter press, and an outlet of the belt filter press is connected with a mud cake pile; a transfer bin and a vibrating feeder are arranged below each finished product pile, a discharge hole of the vibrating feeder is opposite to a feed hole of a container of a transport truck, and an automobile electronic scale is arranged at the bottom of the transport truck; the upper outlet of the deep cone thickening 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 clean water inlets of all wet dust collectors through a dust removing clean water pipe, the water outlet of the other clean water pump is connected with a screening clean water pipe, and in addition, the tap water pipe is communicated with the clean water tank.
2. The production line of fine basalt machine-made sandstone aggregate according to claim 1, wherein: the comprehensive monitoring control device is interconnected and communicated with various feeding, crushing, screening, powder removing, weighing, dust removing and sewage treatment devices of the production line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184257.9A CN112452502B (en) | 2020-10-26 | 2020-10-26 | Fine basalt machine-made sandstone aggregate production line and technological process thereof |
Applications Claiming Priority (1)
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| CN113457837B (en) * | 2021-07-09 | 2022-06-17 | 中国水利水电第九工程局有限公司 | Method for washing coarse aggregate and monitoring pitch diameter on line in machine-made gravel production workshop |
| CN114950699B (en) * | 2022-04-08 | 2023-09-08 | 浙江华东工程建设管理有限公司 | Double-powder-selecting full-dry-method desliming system and method after coarse crushing of aggregate processing system |
| CN115445741A (en) * | 2022-05-31 | 2022-12-09 | 福建工程学院 | Method for preparing sand by utilizing rock waste high-yield preparation machine |
| CN115069387A (en) * | 2022-06-06 | 2022-09-20 | 徐杰 | Combined crushing and washing mineral processing system |
| CN115155769B (en) * | 2022-07-06 | 2024-07-05 | 苏州中材非金属矿工业设计研究院有限公司 | Fine machine-made sand and processing method thereof |
| CN116273397A (en) * | 2023-03-22 | 2023-06-23 | 中国水利水电第九工程局有限公司 | System and method for simultaneously producing multiple varieties of artificial sand |
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