WO2022021960A1 - 6s processing process and production line of coarse and fine meso- and microaggregates for concrete - Google Patents
6s processing process and production line of coarse and fine meso- and microaggregates for concrete Download PDFInfo
- Publication number
- WO2022021960A1 WO2022021960A1 PCT/CN2021/088931 CN2021088931W WO2022021960A1 WO 2022021960 A1 WO2022021960 A1 WO 2022021960A1 CN 2021088931 W CN2021088931 W CN 2021088931W WO 2022021960 A1 WO2022021960 A1 WO 2022021960A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fine
- equipment
- crushing
- coarse
- aggregates
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
- C04B20/008—Micro- or nanosized fillers, e.g. micronised fillers with particle size smaller than that of the hydraulic binder
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
Definitions
- the invention relates to a 6S processing technology and a production line of coarse and fine meso-micro aggregates for concrete, and belongs to the technical field of sand-making processing equipment and production technology.
- Sand and gravel aggregate is the basic raw material with the largest proportion (75-85%) in concrete, and is the basic particle of physical filling of concrete.
- Conventional concrete divides the filling material into crushed stone, rice stone, sand, stone powder, cement and mineral powder. and fly ash.
- Industry standards define particles with a particle size of ⁇ 0.075mm as stone powder.
- the fillers of the coarse and fine meso-micro aggregates of concrete are divided into hundreds, thousands and 10,000 grades. Experiments have proved the scientificity of this division, which is beneficial to improve the density of concrete, thereby improving the concrete's density. mechanics and durability.
- the applicant can efficiently produce finished sand and gravel aggregates in a five-pair full dry crushing production line and processing method for high-quality sand and gravel aggregates disclosed by the application number 2019101516208, ensuring high efficiency and good quality.
- the finished sand and gravel aggregate has the characteristics of excellent grading and many grading, but it does not involve the processing technology of stone powder; a crushing production line and method for processing high-quality sand and gravel aggregate based on hard rock disclosed in the application number 2019111357072 , which further improves the production of sand and gravel aggregates, can efficiently handle hard rock materials, and increases the processing technology of stone powder, but it uses the existing grinding equipment for processing, single processing, high energy consumption, and the particle size can only be controlled individually, and the cost is relatively high. high.
- the purpose of the present invention is to provide a 6S processing technology and production line of coarse and fine meso-micro aggregates for concrete, which can overcome the deficiencies of the prior art.
- a process for processing 6S thick and fine meso-micro-aggregates for concrete characterized in that it comprises the following steps:
- Multi-stage powder selection is carried out on the fine sand, and a variety of fine sands with different stone powder contents are made;
- the materials are sent to the feeding equipment for vibration dispersion, and combined with the desliming and screening equipment for primary desliming, then crushed by the coarse crushing equipment, and combined with the desliming equipment for screening, desliming, and screening.
- the divided materials are classified according to particle size; enter the next production link, or circulate into the crushing equipment for cyclic crushing.
- the dual-host frequency conversion control technology is used to carry out dual-speed dual-frequency impact shaping on the coarsely crushed materials and make sand and gravel aggregate mixture sand;
- the particle size materials are cyclically processed, and the qualified materials are stored in the finished product silo; at the same time, according to the material adjustment system, the proportion of finished products is adjusted according to the proportion, and the finished sand and gravel aggregates with different fineness and modulus are obtained.
- step s5 according to the characteristics of the dust material and the fine aggregate, high-speed impact energy is applied to the dust material and the fine aggregate, and the high-speed impact energy > the energy of material disintegration, to achieve its supercritical dissociation;
- the ternary flow is used to realize high-speed rotation, and the dust material and fine aggregate are projected onto the wear-resistant anvil for supercritical impact crushing; Mesomicro-aggregates, or the meso-micro-aggregates of different particle sizes are recycled and pulverized.
- a 6S production line for coarse and fine meso-micro aggregates for concrete including primary desliming equipment, material preprocessing equipment is arranged below the discharge port of the primary desliming equipment, and the material preprocessing equipment is connected with the fine coarse and fine aggregate processing equipment.
- the aggregate processing equipment is connected with the multi-stage powder separation equipment, and the dust removal points of each equipment are connected through a dust removal pipeline and a dust extraction system, and the dust extraction system is connected with the ultra-fine aggregate processing equipment.
- the ultra-fine aggregate processing equipment includes a high-pressure ternary flow ultra-fine pulverizing equipment and a sorting equipment connected to it.
- the dust outlet of the sorting equipment is cyclically connected to the dust extraction system, and the discharge port is connected to the corresponding micro-aggregate bin, or is cyclically connected to the high-pressure Ternary flow ultrafine crushing equipment;
- the above-mentioned devices are all connected with a PLC control system that controls their mutual cooperation.
- the aforementioned material preprocessing equipment includes a coarse crushing equipment, the discharge end of the coarse crushing equipment is connected to a multi-stage first screening and classification equipment, and the discharge port of the first screening and classification equipment is cyclically connected to the coarse crushing equipment, or It is connected with the high-quality coarse and fine aggregate processing equipment;
- the coarse crushing equipment can be a coarse crushing impact crusher and a medium crushing impact crusher arranged in series with it;
- the coarse crushing equipment is a jaw crusher and an impact crusher arranged in series with it;
- the primary crushing equipment is a jaw crusher, a cone crusher and an impact crusher which are arranged in series in sequence.
- the above-mentioned fine-quality coarse and fine aggregate processing equipment includes two-speed and two-frequency crushing and sand-making equipment and a finished product screening and proportional adjustment circulatory system connected to it.
- the finished sand and gravel aggregate discharge port is connected to the corresponding sand and gravel aggregate bin, or is connected to the double-speed and double-frequency crushing and sand-making equipment.
- the aforesaid high-pressure ternary flow ultrafine pulverizing equipment is connected with the sorting equipment arranged in series in multiple stages, and the high-pressure ternary flow ultrafine pulverizing equipment is a vertical shaft type high-pressure ternary flow ultrafine pulverizing equipment or a horizontal ternary flow ultrafine pulverization equipment. equipment.
- the aforesaid vertical shaft type high pressure ternary flow superfine crushing equipment includes a bracket on which a cylinder body is arranged, the feed inlet at the top of the cylinder body is connected to the buffer bin, and the outlet at the bottom is connected with the sorting equipment; There are multi-layer ternary flow crushing mechanisms, and the bottoms of adjacent ternary flow crushing mechanisms are connected through the first negative pressure material channel;
- the aforesaid horizontal high-pressure ternary flow superfine pulverizing equipment includes an installation frame, on which is fixedly connected multi-stage juxtaposed ternary flow pulverizing devices, and adjacent ternary flow pulverizing devices are provided with interconnected second negatives. Press the material channel, the feed port of the first-stage ternary flow crushing device is connected to the buffer bin, and the bottom discharge port is connected to the sorting equipment.
- the present invention discloses a 6S processing technology for coarse and fine meso-micro aggregates for concrete.
- the entire production process includes primary desliming of materials—coarse crushing of materials—using dual-host frequency conversion control technology to process the coarsely crushed materials.
- Two-speed and two-frequency impact shaping of materials and making of sand and gravel aggregate mixture - screening of sand and gravel aggregate mixture, grading according to proportion, multi-stage powder selection - multi-stage impact on dust material and fine aggregate smash.
- the present invention also discloses a 6S production line for coarse and fine meso-micro aggregates for concrete, which reasonably utilizes the matching of coarse crushing equipment, dual-speed dual-frequency crushing sand-making equipment, high-pressure ternary flow ultra-fine crushing equipment and other equipment.
- a 6S production line for coarse and fine meso-micro aggregates for concrete which reasonably utilizes the matching of coarse crushing equipment, dual-speed dual-frequency crushing sand-making equipment, high-pressure ternary flow ultra-fine crushing equipment and other equipment.
- the dust materials and fine aggregates generated by the entire production line are crushed and processed to produce micron, submicron and sub-nanometer aggregate products.
- the present invention improves the existing sand-making production process, not only can high-quality sand and gravel aggregates be obtained with high efficiency and low cost, but also the dust materials and fine aggregates generated in the entire sand-making production process can be recovered, and the Crushing and deep processing to achieve integration, serialization and intelligent processing.
- the dust materials and fine aggregates are further processed by the crushing process and the corresponding crushing equipment.
- the equipment has a simple structure, high operation convenience, low use and maintenance costs, strong processing capacity, and efficient and stable processing.
- FIG. 1 is a schematic structural flow diagram of the present invention (Embodiment 1).
- FIG. 2 is a schematic structural flow diagram of the present invention (Embodiment 2).
- FIG. 3 is a schematic structural diagram of a vertical shaft type high-pressure ternary flow ultrafine pulverizing equipment (Example 1).
- FIG. 4 is a schematic structural diagram of a vertical shaft type high-pressure ternary flow ultrafine pulverizing equipment (Example 2).
- FIG. 5 is a schematic diagram of the cross-sectional structure of A-A in FIG. 3
- FIG. 6 is a schematic structural diagram of a horizontal ternary flow ultrafine pulverizing equipment.
- FIG. 7 is a schematic diagram of the cross-sectional structure of B-B in FIG. 6 .
- a 6S processing technology of thick and fine meso-micro-aggregate for concrete which comprises the following steps:
- Multi-stage powder selection is carried out on the fine sand, and a variety of fine sands with different stone powder contents are made;
- step s1 the material is sent to the feeding equipment for vibration dispersion, and combined with the desliming and screening equipment for primary desliming.
- step s2 coarse crushing equipment is used for crushing, combined with desliming equipment for screening and desliming, and the screened materials are classified according to particle size; enter the next production link, or circulate into the crushing equipment for cyclic crushing.
- step s3 the double-host frequency conversion control technology is used to carry out double-speed double-frequency impact shaping on the coarsely crushed materials and make sand and gravel aggregate mixture sand;
- the raw materials are processed cyclically, and the qualified materials are stored in the finished product silo.
- the proportion of finished products can be adjusted according to the proportion, and the finished sand and gravel aggregates with different fineness and modulus can be obtained.
- step s5 according to the characteristics of the dust material and the fine aggregate, high-speed impact energy is applied to the dust material and the fine aggregate, and the high-speed impact energy > the energy of material disintegration, so as to realize its supercritical dissociation;
- the ternary flow is used to achieve high-speed rotation, and the dust and fine aggregates are projected onto the wear-resistant anvil for supercritical impact crushing;
- the mesomicro aggregates with different particle sizes are cyclically pulverized.
- a multi-stage pulverization process is adopted; specifically, multi-stage high-pressure ternary flow ultra-fine pulverizing equipment is set up, and adjacent high-pressure ternary-flow ultra-fine pulverizing devices are connected to each other through negative pressure material channels , Through the action of negative pressure airflow, the material is crushed step by step.
- step s6 a multi-level set of sorting equipment is used to sort out two or more graded fine powder particles; at the same time, the multi-level set of dust removal ports are used to achieve dust removal through the dust collection system sorting equipment, and the After the finished product material port is connected to the corresponding silo, the classification and collection of ultra-fine meso-micro aggregates are realized; specifically, the micro-, sub-micro and sub-nano products are classified and collected by sorting equipment.
- a 6S production line for coarse and fine meso-micro aggregates for concrete comprising a primary desliming device 1, a material preprocessing device 2, a material preprocessing device 2 and a fine coarse and fine aggregate processing equipment are arranged below the discharge port of the primary desliming device 1 3 is connected, the fine coarse and fine aggregate processing equipment 3 is connected with the multi-stage powder sorting equipment 4, and the dust removal points of each equipment are connected through the dust removal pipeline and the dust extraction system 5, and the dust extraction system 5 is connected with the ultra-fine aggregate processing equipment.
- the ultra-fine aggregate processing equipment 6 includes a high-pressure ternary flow ultra-fine pulverizing equipment and a sorting equipment 63 connected to it, the dust outlet of the sorting equipment 63 is cyclically connected to the dust extraction system 5, and the material is discharged.
- the port is connected to the corresponding micro-aggregate bin 64, or is cyclically connected to the high-pressure ternary flow ultrafine crushing equipment;
- the above-mentioned devices are all connected with a PLC control system that controls their mutual cooperation.
- the primary desliming device 1 is a desliming and screening device 12 connected to a bar feeder 11 , and the bar feeder 11 is used to vibrate and disperse materials, and is combined with the desliming and screening device 12 Primary desliming.
- the material pretreatment device 2 includes a coarse crushing device 21 connected to the desliming screening device 12.
- the discharge end of the coarse crushing device 21 is connected to a multi-stage first screening and classification device 22.
- the discharge port of the screening and classifying equipment 22 is cyclically connected to the coarse crushing equipment 21 , or is connected to the fine coarse and fine aggregate processing equipment 3 .
- the coarse crushing equipment 21 can be two sets of coarse crushing and impact crushing 211 and medium crushing impact crushing 212, which can realize two-stage process crushing. Two sets of No. 222 multi-layer vibrating screens are installed.
- the bottom fine material port of the bar feeder 11 is connected to the desliming screening equipment 12, and the side coarse material port is connected to the feed port of the coarse crushing impact crusher 211.
- the coarse crushing impact crusher The discharge port of 211 is connected to No. 1 multi-layer vibrating screen 221, and the super-particle material outlet on the side of No. 1 multi-layer vibrating screen 221 and No. 2 multi-layer vibrating screen 222 is connected to the feed of secondary crusher 212 through a running belt.
- the outlet of the small particle size material is connected to the transfer bin 7 through the running belt, and the outlet of the transfer bin 7 is connected to the fine-quality aggregate processing equipment 3; the mud outlet at the bottom of the No. 1 multi-layer vibrating screen 221 is connected to the waste bin 8 Connection; the large particle material discharge port on the side of the desliming and screening equipment 12 is connected to the feed port of the secondary impact crusher 212 through a running belt, and the mud material at the bottom outlet is transported into the waste bin 8 .
- the primary crushing equipment 21 may be a jaw crusher and an impact crusher arranged in series with it (see the patent application published with the application number: 2019111357072 for details); the jaw crusher is used to preliminarily process large lumps
- the raw materials, especially the superhard rock raw materials are first-stage crushed into small-sized materials and sieved by the first screening and grading equipment 22, and then cyclically crushed by two or more parallel impact crushers, with strong processing capacity. , the material with good particle shape can be obtained.
- the coarse crushing equipment 21 may also be a jaw crusher, a cone crusher and an impact crusher which are arranged in series in sequence (see the patent application published with the application number: 2019111357072 for details); the first screening and classification equipment 22 The number of stages is matched according to the corresponding coarse crushing equipment 21 and is set to a first-stage vibrating screen, a second-stage vibrating screen and a third-stage vibrating screen; the discharge port of the jaw crusher is connected to the cone crusher through the first-stage vibrating screen.
- the jaw crusher and the first-stage vibrating screen are used for processing bulky raw materials, especially for the first-stage crushing, screening and desliming of ultra-hard rock raw materials;
- the discharge port of the cone crusher passes through two
- the primary vibrating screen is connected to the impact crusher, and the cone crusher and the secondary vibrating screen are used to achieve secondary crushing, screening and desliming;
- the discharge port of the impact crusher is cyclically connected to the tertiary vibration Screen to achieve multi-stage circulating crushing, screening and multi-stage desliming.
- the small particle size material outlet of the coarse crushing equipment 21 is connected to the transfer bin 7 through a running belt, and the outlet of the transfer bin 7 is connected to the fine coarse and fine aggregate processing equipment 3 .
- the fine-quality coarse and fine aggregate processing equipment 3 includes a double-speed double-frequency crushing and sand-making equipment 31 and a finished product screening and proportional adjustment circulation system 32 connected to it.
- the discharge port is cyclically connected to the double-speed and double-frequency crushing and sand-making equipment 31
- the finished sand and gravel aggregate discharge port is connected to the corresponding sand and gravel aggregate bin 9 , or is cyclically connected to the two-speed and double-frequency crushing and sand-making equipment 31 .
- the two-speed and dual-frequency crushing and sand-making equipment 31 can be a normal-speed vertical shaft crusher 311 and a high-frequency vertical-shaft crusher 312.
- the feed port of the normal-speed vertical shaft crusher 311 is connected to the transfer bin 7, and the two-speed and dual-frequency crushing sand-making equipment 31
- the discharge port of the first-stage powder concentrator 33 is connected to the first-stage powder concentrator 33 through a hoist, and the discharge port of the first-stage powder concentrator 33 is connected to the finished product screening and proportional adjustment circulation system 32.
- the first-stage powder concentrator 33 is used for two-speed
- the mixture made by the dual-frequency crushing sand-making equipment 31 is pre-selected to prevent the mixture entering the finished product screening and proportional adjustment circulation system 32 from clogging the screen;
- the finished product screening and proportional adjustment circulation system 32 is used to
- the particle size material, fine crushed stone, fine rice stone and fine sand are screened separately, and the ratio of finished sand discharge is adjusted to realize the adjustment of the fineness modulus of finished sand; the super-particle size material of the finished product screening and ratio adjustment circulation system is discharged.
- the mouth circulation is connected to the constant speed vertical shaft crusher 311 feed port, the fine crushed stone and the fine rice stone outlet are connected to the corresponding silo, and the fine crushed stone circulation is connected to the constant speed vertical shaft crusher 311 feed port, the fine rice stone circulation It is connected to the high-frequency vertical shaft crusher 312 feeding port, and there is a multi-stage powder separation equipment under the fine sand outlet.
- the multi-stage powder separation equipment can be used to produce a variety of fine sand with different stone powder contents.
- a material buffer bin 34 which is used to slow down the material and ensure the continuity and stability of sand-making.
- the finished product screening and proportional adjustment circulation system 32 includes a second screening and classification device and a material distribution device 322 connected thereto.
- the material distribution device 322 includes a plurality of Each discharge port is connected with a one-to-one distributor, and the discharge port of the material distribution device 322 is provided with a plurality of operating belt conveyors corresponding to one-to-one;
- the distributor is an electro-hydraulic distributor or a set of A three-way adjusting device on the discharge shuttle of the second screening and classification device 321;
- the second screening and classification device can be a multi-layer elliptical vibrating screen 321;
- the distributing device 322 includes a plurality of Each discharge port of the sieve 321 is connected to the electro-hydraulic dynamic feeder in one-to-one correspondence;
- the elliptical vibrating screen 321 is set up with more than 4 layers, and from top to bottom is the super-particle size material layer with a particle size larger than 23mm, and the particle size is 15-23mm fine
- the electro-hydraulic feeder includes a No. 1 sub-point corresponding to the elliptical vibrating screen 321 fine crushed stone, fine rice stone and fine sand outlet.
- Feeder, No. 2 separator and No. 3 feeder, one discharge port of the No. 1 feeder is connected to the corresponding high-quality crushed stone silo, and the other discharge port is connected to the constant speed through the material buffer bin 34.
- Vertical shaft breaker 311 feed port; one discharge port of the No. 2 separator is connected to the corresponding fine rice stone silo, and the other discharge port and No.
- the multi-stage powder separation device 4 includes a No. 4 distributor 41 arranged below the fine sand outlet of the elliptical vibrating screen 321, One discharge port of the No. 4 distributor 41 is connected to the corresponding low-stone powder fine sand silo through the secondary powder separator 42, and the other discharge port is connected to the high-stone powder fine sand silo.
- the described finished product screening, proportion adjustment circulation system 32 includes the second screening and classification equipment and the finished sand fineness modulus control device 324 connected with it; and, in the finished sand fineness modulus control
- the outlet of the device is provided with a fineness modulus detection and control device.
- the second screening equipment can also be an adjusting screen 323, and a three-way adjusting device is provided on each discharge shuttle of the adjusting screen 323, the discharge port of the three-way adjusting device and the material distribution belt, the adjusting screen 323 is a multi-layer arrangement.
- the side is provided with a super-particle size material layer, a fine-quality gravel layer, a fine-quality rice stone layer, a fine sand layer and a fine-quality sand outlet at the bottom.
- the three-way adjusting device The discharge ratio can be adjusted, and there is a one-to-one corresponding distribution belt under each discharge port of the adjustment screen, which transports the super-sized materials into the normal-speed vertical shaft crusher, and the fine crushed stone or into the normal-speed vertical shaft crusher, Or transported into the corresponding high-quality crushed stone silo; high-quality rice stone or into high-frequency vertical shaft crusher, or into the corresponding high-quality rice and stone silo;
- One discharge port is connected with the corresponding low stone powder fine sand silo through the secondary powder separator 42, and the other discharge port is connected to the high stone powder fine sand silo;
- the finished sand fineness modulus control device 324 (application number: 201810147376.3) is a plurality of metering belt scales
- the corresponding metering belt scales transport the super-sized materials into the normal-speed vertical shaft crusher 311, and the fine crushed stone is transported into the normal-speed vertical shaft crusher. 311.
- the fine rice stone is transported into the high-frequency vertical shaft crusher 312, or the fine crushed stone, fine rice stone and fine sand are mixed by the corresponding measuring belt scale to make finished sand of different fineness modulus and transported into the corresponding silo; Or the fine sand is transported into the No. 4 distributor 13, one discharge port of the No. 4 distributor 13 is connected to the corresponding low-stone powder fine sand silo 19 through the secondary powder separator 14, and the other discharge port is connected to the high-stone powder.
- High-quality sand silo 18; the fineness modulus detection control device (application number: 201810867604.4) is used to detect and real-time monitor the finished sand fineness modulus at the discharge port of the fineness modulus control device, which will detect data Store in the PLC control system and control the fineness modulus control device through the PLC control system to ensure the stability of the fineness modulus control device, high flexibility, real-time monitoring and control of the fineness modulus of the finished sand, and high control accuracy , to ensure the stability of the fineness modulus of the finished sand, thereby improving the stability of the product quality.
- the high-pressure ternary flow superfine pulverizing equipment is connected with the sorting equipment 63 arranged in series in multiple stages, and the high-pressure ternary flow superfine pulverizing equipment is a vertical shaft type high-pressure ternary flow superfine pulverizing equipment 61 or a horizontal ternary flow superfine pulverizing equipment 61.
- Ultrafine crushing equipment 62 is connected with the sorting equipment 63 arranged in series in multiple stages, and the high-pressure ternary flow superfine pulverizing equipment is a vertical shaft type high-pressure ternary flow superfine pulverizing equipment 61 or a horizontal ternary flow superfine pulverizing equipment 61.
- the vertical shaft type high-pressure ternary flow superfine pulverizing equipment 61 includes a bracket 611 on which a cylinder 612 is arranged.
- the top feeding port of the cylinder 612 is connected to the buffer bin 65, and the bottom discharging port is connected to the sorting equipment 63.
- Cylinder 612 is provided with multi-layer ternary flow crushing mechanism 613 from top to bottom, and the bottom of adjacent ternary flow crushing mechanism 613 is connected through the first negative pressure material channel 614.
- the ternary flow pulverizing mechanism 613 includes a main shaft assembly 6131 arranged at the axis of the cylinder body 612, the main shaft assembly 6131 is connected with a first driving device 6132 arranged outside the cylinder body 612; Two or more layers of ternary flow impeller rotor body 1.1 are sequentially fixed from top to bottom, and a wear-resistant anvil 1.2 is surrounded on the outer periphery of the ternary flow impeller rotor body 1.1.
- the first drive device 6132 is a single motor drive device, which is connected to the drive wheel installed on the main shaft assembly 6131 through the drive belt 6133, and drives the main shaft assembly 6131 to rotate through the first drive device 6132, thereby making the three-way flow impeller
- the rotor body 1.1 rotates.
- the first driving device 6132 is a dual motor driving device, the driving wheel on the main shaft assembly 6131 is connected with the dual motor driving device through two driving belts 6133, and the main shaft assembly 6131 is driven by the dual motor driving device, which is more reliable. higher, the processing power is stronger.
- the horizontal high-pressure ternary flow superfine pulverizing equipment 62 includes a mounting frame 621, on which is fixedly connected multi-stage parallel ternary flow pulverizing devices 622, and adjacent ternary flow pulverizing devices are provided with mutual The connected second negative pressure material channel 623 , the feed port of the first-stage ternary flow crushing device 622 is connected to the buffer bin 65 , and the bottom discharge port is connected to the sorting equipment 63 .
- the ternary flow pulverizing device 622 includes a casing 6221, and a connecting shaft 6222 is arranged at the axis of the casing 6221.
- the connecting shaft 6222 is connected with a second driving device 6223 arranged outside the casing 6221, and is on the connecting shaft 6222.
- a ternary flow impeller rotor body 1.1 is fixedly connected, and the outer circumference of the ternary flow impeller rotor body 1.1 is surrounded by a wear-resistant anvil 1.2.
- the second driving device 6223 is a biaxial horizontal motor.
- the ternary flow pulverizing device 622 is arranged in series in at least two stages, and opposite sides of two adjacent ternary flow pulverizing devices 622 are provided with bearing seats 6224 for fixing the inner connecting shaft 6222;
- a biaxial horizontal motor is arranged between 622, and the side of the biaxial horizontal motor is connected to the connecting shaft 6222 through a coupling 6225.
- the inner wall of the wear-resistant anvil 1.2 is provided with a special-shaped structure 1.3.
- the special-shaped structure 1.3 can effectively increase the impact area, wear resistance and prevent the material from rebounding, and the crushing effect is better.
- the special-shaped structure may be a toothed structure, a columnar structure, a rectangular structure, and the like.
- the sorting device 63 is a multi-stage series-connected air separation device; the air separation device can be a cyclone separator, and the feed port of the first-stage cyclone
- the top dust collection ports of the separator are connected in series with each other and are connected to the dust extraction system 5 through the dust collection pipeline, while the bottom finished product material ports are connected to the corresponding micro-aggregate bins 64, or are cyclically connected to the high-pressure ternary flow ultra-fine crushing equipment, Realize cyclic processing.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Nanotechnology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
A 6S processing process and production line for coarse and fine meso- and microaggregates for concrete. By subjecting materials to pre-processing, circulating multi-stage coarse crushing and multi-stage desliming, circulating multi-stage fine crushing and multi-stage powder selection, fine sand and aggregates with different specifications and different stone powder contents can be prepared in a certain ratio; and at the same time, the recycled dust material is crushed, processed, multi-stage winnowed, classified and collected. By using the 6S production line, not only can the system production capacity and the quality of the finished sandstone aggregate be effectively improved, as well as various levels and the optimal level of the finished sandstone aggregate being achieved, but the recovered dust waste can also effectively be recycled; the processing capability is strong; and the stone powder grading can be accurately controlled, such that stone powders of various specifications are prepared to effectively improve the durability and mechanical properties of the concrete. The 6S production line has a low production cost, and is efficient and energy-saving.
Description
本发明涉及一种砼用粗细介微集料6S加工工艺及生产线,属于制砂加工设备、生产工艺技术领域。The invention relates to a 6S processing technology and a production line of coarse and fine meso-micro aggregates for concrete, and belongs to the technical field of sand-making processing equipment and production technology.
砂石骨料是混凝土中占比最大(75-85%)的基础原材料,是混凝土的物理填充基本粒子,常规混凝土将填充料分为碎石子、米石、砂、石粉、水泥、矿粉和粉煤灰。行业标准将粒度≤0.075mm的颗粒定义为石粉。根据高性能混凝土科学配方需求,将混凝土的粗细介微集料的填充料按百、千、万级划分,实验已证明了该划分的科学性,有利于提高混凝土的密度度,进而提高混凝土的力学性和耐久性。Sand and gravel aggregate is the basic raw material with the largest proportion (75-85%) in concrete, and is the basic particle of physical filling of concrete. Conventional concrete divides the filling material into crushed stone, rice stone, sand, stone powder, cement and mineral powder. and fly ash. Industry standards define particles with a particle size of ≤ 0.075mm as stone powder. According to the scientific formula requirements of high-performance concrete, the fillers of the coarse and fine meso-micro aggregates of concrete are divided into hundreds, thousands and 10,000 grades. Experiments have proved the scientificity of this division, which is beneficial to improve the density of concrete, thereby improving the concrete's density. mechanics and durability.
目前在机制砂石混凝土行业,还没有专门根据高性能砼科学配方对微细集料进行深加工的工艺和设备,石粉依然作为废弃物资源再利用添加进混凝土中。部分企业将粉磨加工工艺作为石粉深加工工艺,其存在以下不足:At present, in the machine-made sand and gravel concrete industry, there is no technology and equipment for deep processing of fine aggregates according to the scientific formula of high-performance concrete, and stone powder is still added into concrete as a waste resource. Some enterprises use the grinding process as the stone powder deep processing process, which has the following shortcomings:
(1)对于石粉的细微级配缺乏研究,也未按混凝土科学配方要求研制超细微集料的深加工系统,限制了混凝土行业的发展。(1) There is a lack of research on the fine gradation of stone powder, and the deep processing system of ultra-fine aggregates has not been developed according to the requirements of concrete scientific formula, which limits the development of the concrete industry.
(2)粉磨行业现有设备处理量低,能耗高,对产品的粒度只能单一控制,产品缺少多样化。(2) The existing equipment in the grinding industry has low processing capacity and high energy consumption. The particle size of the product can only be controlled individually, and the product lacks diversification.
(3)现有石粉级配不可控,石粉作为废物再利用应用,未能真正发挥石粉的填充价值。(3) The existing stone powder gradation is uncontrollable, and the stone powder is reused as a waste, and the filling value of the stone powder cannot be truly exerted.
(4)申请人在申请号为2019101516208公开的一种高品质砂石骨料五双全干法破碎生产线及加工方法中,可以高效生产成品砂石骨料,保证其效率高,质量好,制得的成品砂石骨料具有配级优、配级多等特点,但是其并没有涉及石粉加工工艺;在申请号为2019111357072公开的一种基于坚硬岩加工高品质砂石骨料的破碎生产线及方法,进一步完善了砂石骨料生产,可以高效处理坚硬岩物料,并且增加了石粉加工工艺,但是其采用现有的研磨设备进行加工,处理单一,能耗高,粒度只能单一控制,成本较高。(4) The applicant can efficiently produce finished sand and gravel aggregates in a five-pair full dry crushing production line and processing method for high-quality sand and gravel aggregates disclosed by the application number 2019101516208, ensuring high efficiency and good quality. The finished sand and gravel aggregate has the characteristics of excellent grading and many grading, but it does not involve the processing technology of stone powder; a crushing production line and method for processing high-quality sand and gravel aggregate based on hard rock disclosed in the application number 2019111357072 , which further improves the production of sand and gravel aggregates, can efficiently handle hard rock materials, and increases the processing technology of stone powder, but it uses the existing grinding equipment for processing, single processing, high energy consumption, and the particle size can only be controlled individually, and the cost is relatively high. high.
发明内容SUMMARY OF THE INVENTION
鉴于此,本发明的目的是提供一种砼用粗细介微集料6S加工工艺及生产线,可以克服现有技术的不足。In view of this, the purpose of the present invention is to provide a 6S processing technology and production line of coarse and fine meso-micro aggregates for concrete, which can overcome the deficiencies of the prior art.
本发明的目的是通过以下技术方案实现的:The purpose of this invention is to realize through the following technical solutions:
一种砼用粗细介微集料6S加工工艺,其特征在于,包括以下步骤:A process for processing 6S thick and fine meso-micro-aggregates for concrete, characterized in that it comprises the following steps:
s1、进行物料预处理,对物料进行振动分散,初级脱泥,定量送料;s1. Carry out material pretreatment, vibrate and disperse the material, primary desliming, and quantitative feeding;
s2、进行物料粗碎,对物料循环破碎,多级脱泥;s2. Coarse crushing of materials, cyclic crushing of materials, and multi-stage desliming;
s3、进行物料细碎,对物料循环多级破碎,筛分分级,按比例制得不同规格的精品砂及骨料;s3. Perform fine crushing of materials, multi-stage crushing of materials, screening and grading, and producing fine sand and aggregates of different specifications in proportion;
s4、对精品砂进行多级选粉,制成多种不同石粉含量的精品砂;s4. Multi-stage powder selection is carried out on the fine sand, and a variety of fine sands with different stone powder contents are made;
s5、对粉尘料及细集料进行深加工,s5. Deep processing of dust and fine aggregates,
回收上述各步骤中产生的粉尘料及细集料,并将粉尘料及细集料进行多级冲击粉碎;Recover the dust material and fine aggregate produced in the above steps, and perform multi-stage impact crushing on the dust material and fine aggregate;
s6、进行风选分级,分类收集,制得多级配的介微集料。s6. Carry out wind sorting and classification, and classify and collect to prepare multi-graded meso-micro-aggregates.
前述步骤1和s2中,将物料送至给料设备振动分散,并结合脱泥筛分设备进行初级脱泥后,采用粗碎设备进行破碎,并结合脱泥设备进行筛分、脱泥,筛分后的物料按粒径分级后;进入下一个生产环节,或循环进入破碎设备循环破碎。In the aforementioned steps 1 and s2, the materials are sent to the feeding equipment for vibration dispersion, and combined with the desliming and screening equipment for primary desliming, then crushed by the coarse crushing equipment, and combined with the desliming equipment for screening, desliming, and screening. The divided materials are classified according to particle size; enter the next production link, or circulate into the crushing equipment for cyclic crushing.
前述步骤s3中,采用双主机变频控制技术,对粗碎后的物料进行双速双频冲击整形及制成砂石骨料混合料砂;并砂石骨料混合料进行筛分分级,使超粒径物料循环加工,合格物料进入成品料仓存储;同时,根据物料调节系统,按比例进行成品比例调节,制得不同细度模数的成精品砂石骨料。In the aforementioned step s3, the dual-host frequency conversion control technology is used to carry out dual-speed dual-frequency impact shaping on the coarsely crushed materials and make sand and gravel aggregate mixture sand; The particle size materials are cyclically processed, and the qualified materials are stored in the finished product silo; at the same time, according to the material adjustment system, the proportion of finished products is adjusted according to the proportion, and the finished sand and gravel aggregates with different fineness and modulus are obtained.
前述步骤s5中,根据粉尘料及细集料的自身特性,向粉尘料及细集料施加高速冲击能量,并且高速冲击能量>物料解体的能量,实现其超临界解离;In the aforementioned step s5, according to the characteristics of the dust material and the fine aggregate, high-speed impact energy is applied to the dust material and the fine aggregate, and the high-speed impact energy > the energy of material disintegration, to achieve its supercritical dissociation;
前述步骤s5和s6中,采用三元流动实现高速旋转,将粉尘料及细集料抛射到耐磨砧上进行超临界冲击粉碎;并结合分选设备进行除尘及多级分选,收集不同粒径介微集料,或者将不同粒径介微集料循环粉碎。In the aforementioned steps s5 and s6, the ternary flow is used to realize high-speed rotation, and the dust material and fine aggregate are projected onto the wear-resistant anvil for supercritical impact crushing; Mesomicro-aggregates, or the meso-micro-aggregates of different particle sizes are recycled and pulverized.
一种砼用粗细介微集料6S生产线,包括初级脱泥设备,在初级脱泥设备的出料口下方设有物料预处理设备,物料预处理设备与精品粗细骨料加工设备连接,精品粗细骨料加工设备与多级选粉设备相连,并且所述各设备的除尘点均通过除尘管道和抽尘系统连接,而抽尘系统与超细微集料加工设备相连,所述超细微集料加工设备包括高压三元流超细粉碎设备及与之连接的分选设备,所述分选设备的粉尘出口循环连接到抽尘系统,出料口连接到对应微集料仓,或循环连接到高压三元流超细粉碎设备;A 6S production line for coarse and fine meso-micro aggregates for concrete, including primary desliming equipment, material preprocessing equipment is arranged below the discharge port of the primary desliming equipment, and the material preprocessing equipment is connected with the fine coarse and fine aggregate processing equipment. The aggregate processing equipment is connected with the multi-stage powder separation equipment, and the dust removal points of each equipment are connected through a dust removal pipeline and a dust extraction system, and the dust extraction system is connected with the ultra-fine aggregate processing equipment. The ultra-fine aggregate processing equipment The equipment includes a high-pressure ternary flow ultra-fine pulverizing equipment and a sorting equipment connected to it. The dust outlet of the sorting equipment is cyclically connected to the dust extraction system, and the discharge port is connected to the corresponding micro-aggregate bin, or is cyclically connected to the high-pressure Ternary flow ultrafine crushing equipment;
上述设备均与控制其相互协作的PLC控制系统连接。The above-mentioned devices are all connected with a PLC control system that controls their mutual cooperation.
前述物料预处理设备包括粗碎设备,所述粗碎设备出料端与多级设置的第一筛分分级设备,所述第一筛分分级设备的出料口循环连接到粗碎设备,或与精品粗细骨料加工设备连接;所述粗碎设备可以为粗破反击破和与之串联设置的中破反击破;The aforementioned material preprocessing equipment includes a coarse crushing equipment, the discharge end of the coarse crushing equipment is connected to a multi-stage first screening and classification equipment, and the discharge port of the first screening and classification equipment is cyclically connected to the coarse crushing equipment, or It is connected with the high-quality coarse and fine aggregate processing equipment; the coarse crushing equipment can be a coarse crushing impact crusher and a medium crushing impact crusher arranged in series with it;
或者,所述粗碎设备为颚式破碎机和与之串联设置的反击式破碎机;Alternatively, the coarse crushing equipment is a jaw crusher and an impact crusher arranged in series with it;
或者,所述粗碎设备为依次串联设置的颚式破碎机、圆锥式破碎机和反击式破碎机。Alternatively, the primary crushing equipment is a jaw crusher, a cone crusher and an impact crusher which are arranged in series in sequence.
前述精品粗细骨料加工设备包括双速双频破碎制砂设备及与之连接的成品筛分、比例调节循环系统,所述成品筛分、比例调节循环系统的超粒径物料出料口循环连接到双速双频破碎制砂设备,成品砂石骨料出料口连接到对应的砂石骨料料仓,或循环连接到双速双频破碎制砂设备。The above-mentioned fine-quality coarse and fine aggregate processing equipment includes two-speed and two-frequency crushing and sand-making equipment and a finished product screening and proportional adjustment circulatory system connected to it. To the double-speed and double-frequency crushing and sand-making equipment, the finished sand and gravel aggregate discharge port is connected to the corresponding sand and gravel aggregate bin, or is connected to the double-speed and double-frequency crushing and sand-making equipment.
前述高压三元流超细粉碎设备与多级串联设置的分选设备相连,所述高压三元流超细粉碎设备为立轴式高压三元流超细粉碎设备或卧式三元流超细粉碎设备。The aforesaid high-pressure ternary flow ultrafine pulverizing equipment is connected with the sorting equipment arranged in series in multiple stages, and the high-pressure ternary flow ultrafine pulverizing equipment is a vertical shaft type high-pressure ternary flow ultrafine pulverizing equipment or a horizontal ternary flow ultrafine pulverization equipment. equipment.
前述立轴式高压三元流超细粉碎设备包括支架,在支架上设有筒体,筒体顶部进料口连接到缓存仓,底部出料口与分选设备相连;筒体内从上至下设有多层三元流粉碎机构,并且相邻三元流粉碎机构底部通过第一负压物料通道相连;The aforesaid vertical shaft type high pressure ternary flow superfine crushing equipment includes a bracket on which a cylinder body is arranged, the feed inlet at the top of the cylinder body is connected to the buffer bin, and the outlet at the bottom is connected with the sorting equipment; There are multi-layer ternary flow crushing mechanisms, and the bottoms of adjacent ternary flow crushing mechanisms are connected through the first negative pressure material channel;
前述卧式高压三元流超细粉碎设备包括安装架,在安装架上固连有多级并列设置的三元流粉碎装置,相邻三元流粉碎装置之间设有相互连通的第二负压物料通道,首级三元流粉碎装置的进料口连接到缓存仓,底部出料口与分选设备相连。The aforesaid horizontal high-pressure ternary flow superfine pulverizing equipment includes an installation frame, on which is fixedly connected multi-stage juxtaposed ternary flow pulverizing devices, and adjacent ternary flow pulverizing devices are provided with interconnected second negatives. Press the material channel, the feed port of the first-stage ternary flow crushing device is connected to the buffer bin, and the bottom discharge port is connected to the sorting equipment.
与现有技术比较,本发明公开的一种砼用粗细介微集料6S加工工艺,整个生产流程包括物料初级脱泥——物料粗碎——采用双主机变频控制技术,对粗碎后的物料进行双速双频冲击整形及制成砂石骨料混合料——对砂石骨料混合料筛分,按比例分级,多级选粉——对粉尘料及细集料进行进行多级冲击粉碎。基于此加工工艺,本发明还公开了一种砼用粗细介微集料6S生产线,合理利用粗碎设备、双速双频破碎制砂设备、高压三元流超细粉碎设备及其它设备的匹配加工,实现高效、稳定制砂生产,同时对整个生产线产生的粉尘物料及细集料粉碎加工,制得微米级、亚微米级和亚纳米级集料成品。Compared with the prior art, the present invention discloses a 6S processing technology for coarse and fine meso-micro aggregates for concrete. The entire production process includes primary desliming of materials—coarse crushing of materials—using dual-host frequency conversion control technology to process the coarsely crushed materials. Two-speed and two-frequency impact shaping of materials and making of sand and gravel aggregate mixture - screening of sand and gravel aggregate mixture, grading according to proportion, multi-stage powder selection - multi-stage impact on dust material and fine aggregate smash. Based on this processing technology, the present invention also discloses a 6S production line for coarse and fine meso-micro aggregates for concrete, which reasonably utilizes the matching of coarse crushing equipment, dual-speed dual-frequency crushing sand-making equipment, high-pressure ternary flow ultra-fine crushing equipment and other equipment. To achieve efficient and stable sand production, at the same time, the dust materials and fine aggregates generated by the entire production line are crushed and processed to produce micron, submicron and sub-nanometer aggregate products.
本发明的有益效果是:The beneficial effects of the present invention are:
(1)本发明完善了现有制砂生产工艺,不仅可以高效、低成本制得高品质砂石骨料,同时可回收整个制砂生产工艺中产生的粉尘物料及细集料,对其进行粉碎深加工,实现一体化、序列化及智能化加工。(1) The present invention improves the existing sand-making production process, not only can high-quality sand and gravel aggregates be obtained with high efficiency and low cost, but also the dust materials and fine aggregates generated in the entire sand-making production process can be recovered, and the Crushing and deep processing to achieve integration, serialization and intelligent processing.
(2)整个线产生匹配合理,使用成本和投入成本低廉,生产效率高,制得的砂石骨料级配合理,细度模数精度高,满足各种混凝土高强度低成本的配制要求,节能环保。(2) The production and matching of the whole line is reasonable, the use cost and input cost are low, the production efficiency is high, the gradation of the obtained sand and gravel aggregate is reasonable, and the fineness modulus is high, which can meet the high-strength and low-cost preparation requirements of various concretes. Energy saving and environmental protection.
(3)对粉尘物料及细集料采用粉碎工艺及相应的粉碎设备进行深加工,设备结构简单,操作便捷性高,使用成本和维护成本低廉,处理能力强,处理高效稳定。(3) The dust materials and fine aggregates are further processed by the crushing process and the corresponding crushing equipment. The equipment has a simple structure, high operation convenience, low use and maintenance costs, strong processing capacity, and efficient and stable processing.
(4)对粉尘物料及细集料可以实现高效回收利用,制得的介微集料可以投入到混凝土或其它领域使用,使混凝土提高成为高性能混凝土或超高性能混凝土,同时保证混凝土生产成 本低廉而实现广泛推广应用。(4) High-efficiency recycling of dust materials and fine aggregates can be achieved, and the obtained meso-micro aggregates can be used in concrete or other fields to improve concrete into high-performance concrete or ultra-high-performance concrete, while ensuring concrete production costs. Low cost and wide application.
本发明的其他优点、目标和特征在某种程度上将在随后的说明书中进行阐述,并且在某种程度上,基于对下文的考察研究对本领域技术人员而言将是显而易见的,或者可以从本发明的实践中得到教导。本发明的目标和其他优点可以通过下面的说明书来实现和获得。Other advantages, objects, and features of the present invention will be set forth in the description that follows, and will be apparent to those skilled in the art based on a study of the following, to the extent that is taught in the practice of the present invention. The objectives and other advantages of the present invention may be realized and attained by the following description.
为了使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明作进一步的详细描述,其中:In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:
图1为本发明结构流程示意图(实施例一)。FIG. 1 is a schematic structural flow diagram of the present invention (Embodiment 1).
图2为本发明结构流程示意图(实施例二)。FIG. 2 is a schematic structural flow diagram of the present invention (Embodiment 2).
图3为立轴式高压三元流超细粉碎设备的结构示意图(实施例一)。FIG. 3 is a schematic structural diagram of a vertical shaft type high-pressure ternary flow ultrafine pulverizing equipment (Example 1).
图4为立轴式高压三元流超细粉碎设备的结构示意图(实施例二)。FIG. 4 is a schematic structural diagram of a vertical shaft type high-pressure ternary flow ultrafine pulverizing equipment (Example 2).
图5为图3中A-A截面结构示意图FIG. 5 is a schematic diagram of the cross-sectional structure of A-A in FIG. 3
图6为卧式三元流超细粉碎设备的结构示意图。FIG. 6 is a schematic structural diagram of a horizontal ternary flow ultrafine pulverizing equipment.
图7为图6中B-B截面结构示意图。FIG. 7 is a schematic diagram of the cross-sectional structure of B-B in FIG. 6 .
以下将参照附图,对本发明的优选实施例进行详细的描述。应当理解,优选实施例仅为了说明本发明,而不是为了限制本发明的保护范围。The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, rather than for limiting the protection scope of the present invention.
如图1-图7所示,As shown in Figure 1-Figure 7,
一种砼用粗细介微集料6S加工工艺,其包括以下步骤:A 6S processing technology of thick and fine meso-micro-aggregate for concrete, which comprises the following steps:
s1、进行物料预处理,对物料进行振动分散,初级脱泥,定量送料;s1. Carry out material pretreatment, vibrate and disperse the material, primary desliming, and quantitative feeding;
s2、进行物料粗碎,对物料循环破碎,多级脱泥;s2. Coarse crushing of materials, cyclic crushing of materials, and multi-stage desliming;
s3、进行物料细碎,对物料循环多级破碎,筛分分级,按比例制得不同规格的精品砂及骨料;s3. Perform fine crushing of materials, multi-stage crushing of materials, screening and grading, and producing fine sand and aggregates of different specifications in proportion;
s4、对精品砂进行多级选粉,制成多种不同石粉含量的精品砂;s4. Multi-stage powder selection is carried out on the fine sand, and a variety of fine sands with different stone powder contents are made;
s5、对粉尘料及细集料进行深加工,s5. Deep processing of dust and fine aggregates,
回收上述各步骤中产生的粉尘料及细集料,并将粉尘料及细集料进行多级冲击粉碎;Recover the dust material and fine aggregate produced in the above steps, and perform multi-stage impact crushing on the dust material and fine aggregate;
s6、进行风选分级,分类收集,制得多级配的介微集料。s6. Carry out wind sorting and classification, and classify and collect to prepare multi-graded meso-micro-aggregates.
步骤s1中,将物料送至给料设备振动分散,并结合脱泥筛分设备进行初级脱泥。In step s1, the material is sent to the feeding equipment for vibration dispersion, and combined with the desliming and screening equipment for primary desliming.
步骤s2中,采用粗碎设备进行破碎,并结合脱泥设备进行筛分、脱泥,筛分后的物料按粒径分级后;进入下一个生产环节,或循环进入破碎设备循环破碎。In step s2, coarse crushing equipment is used for crushing, combined with desliming equipment for screening and desliming, and the screened materials are classified according to particle size; enter the next production link, or circulate into the crushing equipment for cyclic crushing.
步骤s3中,采用双主机变频控制技术,对粗碎后的物料进行双速双频冲击整形及制成砂石骨料混合料砂;并砂石骨料混合料进行筛分分级,使超粒径物料循环加工,合格物料进入成品料仓存储。同时,可根据物料调节系统,按比例进行成品比例调节,制得不同细度模数的成精品砂石骨料。In step s3, the double-host frequency conversion control technology is used to carry out double-speed double-frequency impact shaping on the coarsely crushed materials and make sand and gravel aggregate mixture sand; The raw materials are processed cyclically, and the qualified materials are stored in the finished product silo. At the same time, according to the material adjustment system, the proportion of finished products can be adjusted according to the proportion, and the finished sand and gravel aggregates with different fineness and modulus can be obtained.
步骤s5中,根据粉尘料及细集料的自身特性,向粉尘料及细集料施加高速冲击能量,并且高速冲击能量>物料解体的能量,实现其超临界解离;In step s5, according to the characteristics of the dust material and the fine aggregate, high-speed impact energy is applied to the dust material and the fine aggregate, and the high-speed impact energy > the energy of material disintegration, so as to realize its supercritical dissociation;
具体地,采用三元流动实现高速旋转,将粉尘料及细集料抛射到耐磨砧上进行超临界冲击粉碎;并结合分选设备进行多级分选,收集不同粒径介微集料,或者将不同粒径介微集料循环粉碎。Specifically, the ternary flow is used to achieve high-speed rotation, and the dust and fine aggregates are projected onto the wear-resistant anvil for supercritical impact crushing; The mesomicro aggregates with different particle sizes are cyclically pulverized.
为了提高粉尘料及细集料的粉碎效果,采用多级粉碎工艺;具体地,设置多级高压三元流超细粉碎设备,相邻的高压三元流超细粉碎设备通过负压物料通道相互连通,通过负压风流作用,使物料逐级粉碎。In order to improve the pulverization effect of dust and fine aggregates, a multi-stage pulverization process is adopted; specifically, multi-stage high-pressure ternary flow ultra-fine pulverizing equipment is set up, and adjacent high-pressure ternary-flow ultra-fine pulverizing devices are connected to each other through negative pressure material channels , Through the action of negative pressure airflow, the material is crushed step by step.
步骤s6中,采用多级设置的分选设备,分选出两种以上级配的细粉颗粒;同时多级设置的除尘口通过收尘系统分选设备实现除尘,而每级分选设备的成品料口连接到对应料仓后实现超细介微集料的分类收集;具体的,通过分选设备分类收集微米级、亚微米级和亚纳米级成品。In step s6, a multi-level set of sorting equipment is used to sort out two or more graded fine powder particles; at the same time, the multi-level set of dust removal ports are used to achieve dust removal through the dust collection system sorting equipment, and the After the finished product material port is connected to the corresponding silo, the classification and collection of ultra-fine meso-micro aggregates are realized; specifically, the micro-, sub-micro and sub-nano products are classified and collected by sorting equipment.
一种砼用粗细介微集料6S生产线,包括初级脱泥设备1,在初级脱泥设备1的出料口下方设有物料预处理设备2,物料预处理设备2与精品粗细骨料加工设备3连接,精品粗细骨料加工设备3与多级选粉设备4相连,并且所述各设备的除尘点均通过除尘管道和抽尘系统5连接,而抽尘系统5与超细微集料加工设备6相连,所述超细微集料加工设备6包括高压三元流超细粉碎设备及与之连接的分选设备63,所述分选设备63的粉尘出口循环连接到抽尘系统5,出料口连接到对应微集料仓64,或循环连接到高压三元流超细粉碎设备;A 6S production line for coarse and fine meso-micro aggregates for concrete, comprising a primary desliming device 1, a material preprocessing device 2, a material preprocessing device 2 and a fine coarse and fine aggregate processing equipment are arranged below the discharge port of the primary desliming device 1 3 is connected, the fine coarse and fine aggregate processing equipment 3 is connected with the multi-stage powder sorting equipment 4, and the dust removal points of each equipment are connected through the dust removal pipeline and the dust extraction system 5, and the dust extraction system 5 is connected with the ultra-fine aggregate processing equipment. 6 connected, the ultra-fine aggregate processing equipment 6 includes a high-pressure ternary flow ultra-fine pulverizing equipment and a sorting equipment 63 connected to it, the dust outlet of the sorting equipment 63 is cyclically connected to the dust extraction system 5, and the material is discharged. The port is connected to the corresponding micro-aggregate bin 64, or is cyclically connected to the high-pressure ternary flow ultrafine crushing equipment;
上述设备均与控制其相互协作的PLC控制系统连接。The above-mentioned devices are all connected with a PLC control system that controls their mutual cooperation.
所述初级脱泥设备1为与棒条给料机11相连接的脱泥筛分设备12,所述棒条给料机11用于将物料进行振动分散,并结合脱泥筛分设备12进行初级脱泥。The primary desliming device 1 is a desliming and screening device 12 connected to a bar feeder 11 , and the bar feeder 11 is used to vibrate and disperse materials, and is combined with the desliming and screening device 12 Primary desliming.
所述物料预处理设备2包括与所述脱泥筛分设备12连接的粗碎设备21,所述粗碎设备21出料端与多级设置的第一筛分分级设备22,所述第一筛分分级设备22的出料口循环连接到粗碎设备21,或与精品粗细骨料加工设备3连接。The material pretreatment device 2 includes a coarse crushing device 21 connected to the desliming screening device 12. The discharge end of the coarse crushing device 21 is connected to a multi-stage first screening and classification device 22. The discharge port of the screening and classifying equipment 22 is cyclically connected to the coarse crushing equipment 21 , or is connected to the fine coarse and fine aggregate processing equipment 3 .
所述粗碎设备21可以为粗破反击破211和中破反击破212两台设置,可实现两段工艺破碎,所述第一筛分分级设备22可以为一号多层震动筛221和二号多层震动筛222两台设置,棒条给料机11的底部细料口与脱泥筛分设备12连接,侧部粗料口与粗碎反击破211进料口 连接,粗碎反击破211出料口与一号多层震动筛221连接,一号多层震动筛221和二号多层震动筛222侧部的超粒径物料出口通过运转皮带循环连接到中碎反击破212进料口;小粒径物料出口通过运转皮带与中转料仓7连接,中转料仓7出料口与精品粗细骨料加工设备3连接;一号多层震动筛221底部的泥料出口与废料仓8连接;所述脱泥筛分设备12侧部大颗粒物料出料口通过运转皮带连接到中碎反击破212进料口,而底部出口的泥料运入废料仓8。The coarse crushing equipment 21 can be two sets of coarse crushing and impact crushing 211 and medium crushing impact crushing 212, which can realize two-stage process crushing. Two sets of No. 222 multi-layer vibrating screens are installed. The bottom fine material port of the bar feeder 11 is connected to the desliming screening equipment 12, and the side coarse material port is connected to the feed port of the coarse crushing impact crusher 211. The coarse crushing impact crusher The discharge port of 211 is connected to No. 1 multi-layer vibrating screen 221, and the super-particle material outlet on the side of No. 1 multi-layer vibrating screen 221 and No. 2 multi-layer vibrating screen 222 is connected to the feed of secondary crusher 212 through a running belt. The outlet of the small particle size material is connected to the transfer bin 7 through the running belt, and the outlet of the transfer bin 7 is connected to the fine-quality aggregate processing equipment 3; the mud outlet at the bottom of the No. 1 multi-layer vibrating screen 221 is connected to the waste bin 8 Connection; the large particle material discharge port on the side of the desliming and screening equipment 12 is connected to the feed port of the secondary impact crusher 212 through a running belt, and the mud material at the bottom outlet is transported into the waste bin 8 .
或者,所述粗碎设备21可以为颚式破碎机和与之串联设置的反击式破碎机(详见申请号:2019111357072公开的专利申请);所述颚式破碎机用于初步处理大块状原料,尤其是超硬岩原料,使其一级破碎为小粒径物料并通过第一筛分分级设备22筛分后,再通过两台以上并列设置的反击式破碎机循环破碎,处理能力强,可以得到粒型良好的物料。Alternatively, the primary crushing equipment 21 may be a jaw crusher and an impact crusher arranged in series with it (see the patent application published with the application number: 2019111357072 for details); the jaw crusher is used to preliminarily process large lumps The raw materials, especially the superhard rock raw materials, are first-stage crushed into small-sized materials and sieved by the first screening and grading equipment 22, and then cyclically crushed by two or more parallel impact crushers, with strong processing capacity. , the material with good particle shape can be obtained.
或者所述粗碎设备21还可以是依次串联设置的颚式破碎机、圆锥式破碎机和反击式破碎机(详见申请号:2019111357072公开的专利申请);所述第一筛分分级设备22的级数根据对应的粗碎设备21进行匹配设置为一级振动筛、二级振动筛和三级振动筛;所述颚式破碎机的出料口通过一级振动筛连接到圆锥式破碎机,所述颚式破碎机及一级振动筛用于处理大块状原料,尤其是进行超硬岩原料的一级破碎、筛分及脱泥;所述圆锥式破碎机的出料口通过二级振动筛连接到反击式破碎机,所述圆锥式破碎机及二级振动筛用于实现二级破碎、筛分及脱泥;所述反击式破碎机的出料口循环连接到三级振动筛,实现多级循环破碎、筛分和多级脱泥。Alternatively, the coarse crushing equipment 21 may also be a jaw crusher, a cone crusher and an impact crusher which are arranged in series in sequence (see the patent application published with the application number: 2019111357072 for details); the first screening and classification equipment 22 The number of stages is matched according to the corresponding coarse crushing equipment 21 and is set to a first-stage vibrating screen, a second-stage vibrating screen and a third-stage vibrating screen; the discharge port of the jaw crusher is connected to the cone crusher through the first-stage vibrating screen. , the jaw crusher and the first-stage vibrating screen are used for processing bulky raw materials, especially for the first-stage crushing, screening and desliming of ultra-hard rock raw materials; the discharge port of the cone crusher passes through two The primary vibrating screen is connected to the impact crusher, and the cone crusher and the secondary vibrating screen are used to achieve secondary crushing, screening and desliming; the discharge port of the impact crusher is cyclically connected to the tertiary vibration Screen to achieve multi-stage circulating crushing, screening and multi-stage desliming.
所述粗碎设备21粗碎完成的小粒径物料出口通过运转皮带连接至中转料仓7,中转料仓7出料口与精品粗细骨料加工设备3连接。The small particle size material outlet of the coarse crushing equipment 21 is connected to the transfer bin 7 through a running belt, and the outlet of the transfer bin 7 is connected to the fine coarse and fine aggregate processing equipment 3 .
所述精品粗细骨料加工设备3包括双速双频破碎制砂设备31及与之连接的成品筛分、比例调节循环系统32,所述成品筛分、比例调节循环系统32的超粒径物料出料口循环连接到双速双频破碎制砂设备31,成品砂石骨料出料口连接到对应的砂石骨料料仓9,或循环连接到双速双频破碎制砂设备31。The fine-quality coarse and fine aggregate processing equipment 3 includes a double-speed double-frequency crushing and sand-making equipment 31 and a finished product screening and proportional adjustment circulation system 32 connected to it. The discharge port is cyclically connected to the double-speed and double-frequency crushing and sand-making equipment 31 , and the finished sand and gravel aggregate discharge port is connected to the corresponding sand and gravel aggregate bin 9 , or is cyclically connected to the two-speed and double-frequency crushing and sand-making equipment 31 .
所述双速双频破碎制砂设备31可以为常速立轴破311和高频立轴破312,常速立轴破311的进料口与中转料仓7连接,双速双频破碎制砂设备31的出料口通过提升机与一级选粉机33连接,一级选粉机33的出料口与成品筛分、比例调节循环系统32,所述一级选粉机33用于对双速双频破碎制砂设备31制成的混合料进行预选粉,预防进入成品筛分、比例调节循环系统32的混合料堵塞筛网;所述成品筛分、比例调节循环系统32用于将的超粒径物料、精品碎石、精品米石和精品砂筛分开,并调节成品砂出料比例,实现成品砂细度模数调节;所述成品筛分、比例调节循环系统的超粒径物料出料口循环连接到常速立轴破311进料口,精品碎石和精品米石出料口连接到对应的料仓,同时精品碎石循环连接到常速立轴破311进料 口,精品米石循环连接到高频立轴破312进料口,而精品砂出料口下方设有多级选粉设备,采用多级选粉设备可以制造多种不同石粉含量的精品砂。The two-speed and dual-frequency crushing and sand-making equipment 31 can be a normal-speed vertical shaft crusher 311 and a high-frequency vertical-shaft crusher 312. The feed port of the normal-speed vertical shaft crusher 311 is connected to the transfer bin 7, and the two-speed and dual-frequency crushing sand-making equipment 31 The discharge port of the first-stage powder concentrator 33 is connected to the first-stage powder concentrator 33 through a hoist, and the discharge port of the first-stage powder concentrator 33 is connected to the finished product screening and proportional adjustment circulation system 32. The first-stage powder concentrator 33 is used for two-speed The mixture made by the dual-frequency crushing sand-making equipment 31 is pre-selected to prevent the mixture entering the finished product screening and proportional adjustment circulation system 32 from clogging the screen; the finished product screening and proportional adjustment circulation system 32 is used to The particle size material, fine crushed stone, fine rice stone and fine sand are screened separately, and the ratio of finished sand discharge is adjusted to realize the adjustment of the fineness modulus of finished sand; the super-particle size material of the finished product screening and ratio adjustment circulation system is discharged. The mouth circulation is connected to the constant speed vertical shaft crusher 311 feed port, the fine crushed stone and the fine rice stone outlet are connected to the corresponding silo, and the fine crushed stone circulation is connected to the constant speed vertical shaft crusher 311 feed port, the fine rice stone circulation It is connected to the high-frequency vertical shaft crusher 312 feeding port, and there is a multi-stage powder separation equipment under the fine sand outlet. The multi-stage powder separation equipment can be used to produce a variety of fine sand with different stone powder contents.
双速双频破碎制砂设备31的进料口上方均设有物料缓存仓34,用于缓放物料,保证制砂连续性和稳定性。Above the feeding port of the double-speed and double-frequency crushing sand-making equipment 31, there is a material buffer bin 34, which is used to slow down the material and ensure the continuity and stability of sand-making.
见图1,所述成品筛分、比例调节循环系统32包括第二筛分分级设备及与之连接的分料设备322,所述分料设备322包括多个与第二筛分分级设备321的各出料口一一对应连接的分料器,所述分料设备322出料口处设有多个与一一对应的运转皮带机;所述分料器为电液动分料器或设置在第二筛分分级设备321出料梭槽上的三通调节装置;所述第二筛分分级设备可以为多层设置的椭圆振动筛321;所述分料设备322包括多个与椭圆振动筛321各出料口一一对应连接的电液动分料器;所述椭圆振动筛321为4层以上设置,从上至下依次为粒径大于23mm的超粒径物料层、粒径为15-23mm的精品碎石层,粒径为5-15mm的精品米石层,粒径为5-3mm的细砂层,椭圆振动筛321侧部设有对应的超粒径物料、精品碎石、精品米石和细砂出口,底部设有粒径小于3mm精品砂出口;所述电液动分料器包括与椭圆振动筛321精品碎石、精品米石和细砂出口与对应连接的一号分料器、二号分离器和三号分料器,所述一号分料器的一个出料口与对应的精品碎石料仓连接,另一个出料口通过物料缓存仓34连接到常速立轴破311进料口;所述二号分离器的一个出料口与对应的精品米石料仓连接,另一个出料口和三号分料器均连接到高频立轴破312进料口;所述椭圆振动筛321的精品砂出口下方设有多级选粉设备4,具体地,所述多级选粉设备4包括设置在椭圆振动筛321精品砂出口下方的四号分料器41,四号分料器41的一个出料口通过二级选粉机42与对应低石粉精品沙料仓连接,另一个出料口连接到高石粉精品沙料仓。Referring to FIG. 1 , the finished product screening and proportional adjustment circulation system 32 includes a second screening and classification device and a material distribution device 322 connected thereto. The material distribution device 322 includes a plurality of Each discharge port is connected with a one-to-one distributor, and the discharge port of the material distribution device 322 is provided with a plurality of operating belt conveyors corresponding to one-to-one; the distributor is an electro-hydraulic distributor or a set of A three-way adjusting device on the discharge shuttle of the second screening and classification device 321; the second screening and classification device can be a multi-layer elliptical vibrating screen 321; the distributing device 322 includes a plurality of Each discharge port of the sieve 321 is connected to the electro-hydraulic dynamic feeder in one-to-one correspondence; the elliptical vibrating screen 321 is set up with more than 4 layers, and from top to bottom is the super-particle size material layer with a particle size larger than 23mm, and the particle size is 15-23mm fine gravel layer, 5-15mm fine rice stone layer, 5-3mm fine sand layer, the side of elliptical vibrating screen 321 is provided with corresponding super-sized materials and fine gravel. , high-quality rice stone and fine sand outlet, and the bottom is provided with a fine sand outlet with a particle size of less than 3mm; the electro-hydraulic feeder includes a No. 1 sub-point corresponding to the elliptical vibrating screen 321 fine crushed stone, fine rice stone and fine sand outlet. Feeder, No. 2 separator and No. 3 feeder, one discharge port of the No. 1 feeder is connected to the corresponding high-quality crushed stone silo, and the other discharge port is connected to the constant speed through the material buffer bin 34. Vertical shaft breaker 311 feed port; one discharge port of the No. 2 separator is connected to the corresponding fine rice stone silo, and the other discharge port and No. 3 distributor are connected to the high frequency vertical shaft breaker 312 feed port; Below the fine sand outlet of the elliptical vibrating screen 321 is provided a multi-stage powder separation device 4, specifically, the multi-stage powder separation device 4 includes a No. 4 distributor 41 arranged below the fine sand outlet of the elliptical vibrating screen 321, One discharge port of the No. 4 distributor 41 is connected to the corresponding low-stone powder fine sand silo through the secondary powder separator 42, and the other discharge port is connected to the high-stone powder fine sand silo.
或者见图2,所述成品筛分、比例调节循环系统32包括第二筛分分级设备和与之连接的成品砂细度模数调控装置324;并且,在所述成品砂细度模数调控装置的出料口处设有细度模数检测控制装置。所述第二筛分设备还可以为调节筛323,在调节筛323的各出料梭槽上设有三通调节装置,所述三通调节装置的出料口与分料皮带,所述调节筛323为多层设置,从上至下依次为侧部设有超粒径物料层、精品碎石层,精品米石层、细砂层和底部设有的精品砂出口,所述三通调节装置可以调节其出料比例,在调节筛的各出料口下方设有一一对应的分料皮带,其将超粒径物料运入常速立轴破,精品碎石或运入常速立轴破,或运入对应的精品碎石料仓;精品米石或运入高频立轴破,或运入对应的精品米石料仓;精品砂运入四号分料器41,四号分料器41的一个出料口通过二级选粉机42与对应低石粉精品沙料仓连接,另一个出料口连接到高石粉精品沙料仓;所述成品砂细度模数调控装置324(申请号:201810147376.3)为多条与调节筛323的各出料口一一对应连接的计量皮带秤,对应的计量 皮带秤将超粒径物料运入常速立轴破311,精品碎石运入常速立轴破311,精品米石运入高频立轴破312,或者精品碎石、精品米石、精品砂通过对应的计量皮带秤进行混合,制成不同细度模数成品砂并运入对应的料仓;或者精品砂运入四号分料器13,四号分料器13的一个出料口通过二级选粉机14与对应低石粉精品沙料仓19连接,另一个出料口连接到高石粉精品沙料仓18;所述细度模数检测控制装置(申请号:201810867604.4)用于检测和实时监测细度模数调控装置的出料口处的成品砂细度模数,其将检测数据存入PLC控制系统并通过PLC控制系统对细度模数调控装置进行调控,保证细度模数调控装置的稳定性,灵活性高,实时监测和调控成品砂的细度模数,调控精度高,保证成品砂细度模数的稳定性,进而提高了产品质量稳定性。Or see Fig. 2, the described finished product screening, proportion adjustment circulation system 32 includes the second screening and classification equipment and the finished sand fineness modulus control device 324 connected with it; and, in the finished sand fineness modulus control The outlet of the device is provided with a fineness modulus detection and control device. The second screening equipment can also be an adjusting screen 323, and a three-way adjusting device is provided on each discharge shuttle of the adjusting screen 323, the discharge port of the three-way adjusting device and the material distribution belt, the adjusting screen 323 is a multi-layer arrangement. From top to bottom, the side is provided with a super-particle size material layer, a fine-quality gravel layer, a fine-quality rice stone layer, a fine sand layer and a fine-quality sand outlet at the bottom. The three-way adjusting device The discharge ratio can be adjusted, and there is a one-to-one corresponding distribution belt under each discharge port of the adjustment screen, which transports the super-sized materials into the normal-speed vertical shaft crusher, and the fine crushed stone or into the normal-speed vertical shaft crusher, Or transported into the corresponding high-quality crushed stone silo; high-quality rice stone or into high-frequency vertical shaft crusher, or into the corresponding high-quality rice and stone silo; One discharge port is connected with the corresponding low stone powder fine sand silo through the secondary powder separator 42, and the other discharge port is connected to the high stone powder fine sand silo; the finished sand fineness modulus control device 324 (application number: 201810147376.3) is a plurality of metering belt scales connected with each discharge port of the regulating screen 323 one by one. The corresponding metering belt scales transport the super-sized materials into the normal-speed vertical shaft crusher 311, and the fine crushed stone is transported into the normal-speed vertical shaft crusher. 311. The fine rice stone is transported into the high-frequency vertical shaft crusher 312, or the fine crushed stone, fine rice stone and fine sand are mixed by the corresponding measuring belt scale to make finished sand of different fineness modulus and transported into the corresponding silo; Or the fine sand is transported into the No. 4 distributor 13, one discharge port of the No. 4 distributor 13 is connected to the corresponding low-stone powder fine sand silo 19 through the secondary powder separator 14, and the other discharge port is connected to the high-stone powder. High-quality sand silo 18; the fineness modulus detection control device (application number: 201810867604.4) is used to detect and real-time monitor the finished sand fineness modulus at the discharge port of the fineness modulus control device, which will detect data Store in the PLC control system and control the fineness modulus control device through the PLC control system to ensure the stability of the fineness modulus control device, high flexibility, real-time monitoring and control of the fineness modulus of the finished sand, and high control accuracy , to ensure the stability of the fineness modulus of the finished sand, thereby improving the stability of the product quality.
所述高压三元流超细粉碎设备与多级串联设置的分选设备63相连,所述高压三元流超细粉碎设备为立轴式高压三元流超细粉碎设备61或卧式三元流超细粉碎设备62。The high-pressure ternary flow superfine pulverizing equipment is connected with the sorting equipment 63 arranged in series in multiple stages, and the high-pressure ternary flow superfine pulverizing equipment is a vertical shaft type high-pressure ternary flow superfine pulverizing equipment 61 or a horizontal ternary flow superfine pulverizing equipment 61. Ultrafine crushing equipment 62 .
所述立轴式高压三元流超细粉碎设备61包括支架611,在支架611上设有筒体612,筒体612顶部进料口连接到缓存仓65,底部出料口与分选设备63相连;筒体612内从上至下设有多层三元流粉碎机构613,并且相邻三元流粉碎机构613底部通过第一负压物料通道614相连。所述三元流粉碎机构613包括设置在筒体612轴线处的主轴总成6131,所述主轴总成6131与设置在筒体612外侧的第一驱动装置6132连接;在主轴总成6131上从上至下依次固连有两层或两层以上的三元流叶轮转子体1.1,在三元流叶轮转子体1.1外周环绕有耐磨砧1.2。The vertical shaft type high-pressure ternary flow superfine pulverizing equipment 61 includes a bracket 611 on which a cylinder 612 is arranged. The top feeding port of the cylinder 612 is connected to the buffer bin 65, and the bottom discharging port is connected to the sorting equipment 63. ; Cylinder 612 is provided with multi-layer ternary flow crushing mechanism 613 from top to bottom, and the bottom of adjacent ternary flow crushing mechanism 613 is connected through the first negative pressure material channel 614. The ternary flow pulverizing mechanism 613 includes a main shaft assembly 6131 arranged at the axis of the cylinder body 612, the main shaft assembly 6131 is connected with a first driving device 6132 arranged outside the cylinder body 612; Two or more layers of ternary flow impeller rotor body 1.1 are sequentially fixed from top to bottom, and a wear-resistant anvil 1.2 is surrounded on the outer periphery of the ternary flow impeller rotor body 1.1.
所述第一驱动装置6132为单电机驱动装置,其通过驱动皮带6133与安装在主轴总成6131上的驱动轮连接,通过第一驱动装置6132带动主轴总成6131转动,进而使三元流叶轮转子体1.1旋转。或所述第一驱动装置6132为双电机驱动装置,主轴总成6131上的驱动轮通过两条驱动皮带6133与双电机驱动装置连接,通过双电机驱动装置实现主轴总成6131驱动,可靠性更高,处理能力更强。The first drive device 6132 is a single motor drive device, which is connected to the drive wheel installed on the main shaft assembly 6131 through the drive belt 6133, and drives the main shaft assembly 6131 to rotate through the first drive device 6132, thereby making the three-way flow impeller The rotor body 1.1 rotates. Or the first driving device 6132 is a dual motor driving device, the driving wheel on the main shaft assembly 6131 is connected with the dual motor driving device through two driving belts 6133, and the main shaft assembly 6131 is driven by the dual motor driving device, which is more reliable. higher, the processing power is stronger.
所述卧式高压三元流超细粉碎设备62包括安装架621,在安装架621上固连有多级并列设置的三元流粉碎装置622,相邻三元流粉碎装置之间设有相互连通的第二负压物料通道623,首级三元流粉碎装置622的进料口连接到缓存仓65,底部出料口与分选设备63相连。所述三元流粉碎装置622包括壳体6221,在壳体6221轴线处设有连接轴6222,所述连接轴6222与设置在壳体6221外的第二驱动装置6223相连,在连接轴6222上固连有三元流叶轮转子体1.1,三元流叶轮转子体1.1外周环绕有耐磨砧1.2。The horizontal high-pressure ternary flow superfine pulverizing equipment 62 includes a mounting frame 621, on which is fixedly connected multi-stage parallel ternary flow pulverizing devices 622, and adjacent ternary flow pulverizing devices are provided with mutual The connected second negative pressure material channel 623 , the feed port of the first-stage ternary flow crushing device 622 is connected to the buffer bin 65 , and the bottom discharge port is connected to the sorting equipment 63 . The ternary flow pulverizing device 622 includes a casing 6221, and a connecting shaft 6222 is arranged at the axis of the casing 6221. The connecting shaft 6222 is connected with a second driving device 6223 arranged outside the casing 6221, and is on the connecting shaft 6222. A ternary flow impeller rotor body 1.1 is fixedly connected, and the outer circumference of the ternary flow impeller rotor body 1.1 is surrounded by a wear-resistant anvil 1.2.
所述第二驱动装置6223为双轴卧式电机。所述三元流粉碎装置622为至少两级串联设置,相邻两个三元流粉碎装置622相对侧设有用于固定其内连接轴6222的轴承座6224;并且在 两个三元流粉碎装置622之间设置双轴卧式电机,双轴卧式电机侧通过联轴器6225与连接轴6222相连。The second driving device 6223 is a biaxial horizontal motor. The ternary flow pulverizing device 622 is arranged in series in at least two stages, and opposite sides of two adjacent ternary flow pulverizing devices 622 are provided with bearing seats 6224 for fixing the inner connecting shaft 6222; A biaxial horizontal motor is arranged between 622, and the side of the biaxial horizontal motor is connected to the connecting shaft 6222 through a coupling 6225.
所述耐磨砧1.2的内壁设有异形结构1.3,当物料经三元流叶轮转子体1.1高速抛出后,会以一定角度撞击在耐磨砧1.2的内壁上,通过耐磨砧内壁上的异形结构1.3可以有效增加冲击面积、耐磨性能并防止物料回弹,粉碎效果更好。具体地所述异形结构可以为齿形结构、柱形结构、矩形结构等。The inner wall of the wear-resistant anvil 1.2 is provided with a special-shaped structure 1.3. When the material is thrown at a high speed through the ternary flow impeller rotor body 1.1, it will hit the inner wall of the wear-resistant anvil 1.2 at a certain angle, and pass through the inner wall of the wear-resistant anvil 1.2. The special-shaped structure 1.3 can effectively increase the impact area, wear resistance and prevent the material from rebounding, and the crushing effect is better. Specifically, the special-shaped structure may be a toothed structure, a columnar structure, a rectangular structure, and the like.
所述分选设备63为多级串联的风选装置;所述风选装置可以为旋风分离器,第一级旋风分离器的进料口与高压三元流超细粉碎设备连接,每级旋风分离器的顶部收尘口相互串联且通过收尘管道连接到抽尘系统5,而底部成品料口均与对应的微集料仓64连接,或循环连接到高压三元流超细粉碎设备,实现循环加工处理。The sorting device 63 is a multi-stage series-connected air separation device; the air separation device can be a cyclone separator, and the feed port of the first-stage cyclone The top dust collection ports of the separator are connected in series with each other and are connected to the dust extraction system 5 through the dust collection pipeline, while the bottom finished product material ports are connected to the corresponding micro-aggregate bins 64, or are cyclically connected to the high-pressure ternary flow ultra-fine crushing equipment, Realize cyclic processing.
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式保密的限制,任何未脱离本发明技术方案内容、依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form of secrecy. Any simple modifications made to the above embodiments without departing from the technical solution content of the present invention and according to the technical essence of the present invention, Equivalent changes and modifications still fall within the scope of the technical solutions of the present invention.
Claims (10)
- 一种砼用粗细介微集料6S加工工艺,其特征在于,包括以下步骤:A process for processing 6S thick and fine meso-micro-aggregates for concrete, characterized in that it comprises the following steps:s1、进行物料预处理,对物料进行振动分散,初级脱泥,定量送料;s1. Carry out material pretreatment, vibrate and disperse the material, primary desliming, and quantitative feeding;s2、进行物料粗碎,对物料循环破碎,多级脱泥;s2. Coarse crushing of materials, cyclic crushing of materials, and multi-stage desliming;s3、进行物料细碎,对物料循环多级破碎,筛分分级,按比例制得不同规格的精品砂及骨料;s3. Perform fine crushing of materials, multi-stage crushing of materials, screening and grading, and producing fine sand and aggregates of different specifications in proportion;s4、对精品砂进行多级选粉,制成多种不同石粉含量的精品砂;s4. Multi-stage powder selection is carried out on the fine sand, and a variety of fine sands with different stone powder contents are made;s5、对粉尘料及细集料进行深加工,s5. Deep processing of dust and fine aggregates,回收上述各步骤中产生的粉尘料及细集料,并将粉尘料及细集料进行多级冲击粉碎;Recover the dust material and fine aggregate produced in the above steps, and perform multi-stage impact crushing on the dust material and fine aggregate;s6、进行风选分级,分类收集,制得多级配的介微集料。s6. Carry out wind sorting and classification, and classify and collect to prepare multi-graded meso-micro-aggregates.
- 根据权利要求1所述的砼用粗细介微集料6S加工工艺,其特征在于:步骤1和s2中,将物料送至给料设备振动分散,并结合脱泥筛分设备进行初级脱泥后,采用粗碎设备进行破碎,并结合脱泥设备进行筛分、脱泥,筛分后的物料按粒径分级后;进入下一个生产环节,或循环进入破碎设备循环破碎。The 6S processing technology of coarse and fine meso-micro aggregates for concrete according to claim 1, characterized in that: in steps 1 and s2, the materials are sent to the feeding equipment for vibration dispersion, and combined with desliming and screening equipment for primary desliming , use coarse crushing equipment for crushing, and combine with desliming equipment for screening and desliming. The screened materials are classified according to particle size; enter the next production link, or circulate into the crushing equipment for cyclic crushing.
- 根据权利要求1所述的砼用粗细介微集料6S加工工艺,其特征在于:步骤s3中,采用双主机变频控制技术,对粗碎后的物料进行双速双频冲击整形及制成砂石骨料混合料砂;并砂石骨料混合料进行筛分分级,使超粒径物料循环加工,合格物料进入成品料仓存储;同时,根据物料调节系统,按比例进行成品比例调节,制得不同细度模数的成精品砂石骨料。The 6S processing technology of coarse and fine meso-micro-aggregates for concrete according to claim 1, characterized in that: in step s3, double-host frequency conversion control technology is adopted to carry out double-speed double-frequency impact shaping and sand making of the coarsely crushed materials Stone aggregate mixed with sand; and the sand and gravel aggregate mixed material is screened and classified, so that the super-sized materials can be recycled and processed, and the qualified materials can be stored in the finished product silo. The finished sand and gravel aggregates with different fineness modulus are obtained.
- 根据权利要求1所述的砼用粗细介微集料6S加工工艺,其特征在于:步骤s5中,根据粉尘料及细集料的自身特性,向粉尘料及细集料施加高速冲击能量,并且高速冲击能量>物料解体的能量,实现其超临界解离;The 6S processing technology of coarse and fine meso-micro-aggregates for concrete according to claim 1, characterized in that: in step s5, high-speed impact energy is applied to the dust materials and fine aggregates according to their own characteristics, and the high-speed impact energy is applied to the dust materials and fine aggregates. Energy > the energy of material disintegration to realize its supercritical dissociation;
- 根据权利要求4所述的砼用粗细介微集料6S加工工艺,其特征在于:采用三元流动实现高速旋转,将粉尘料及细集料抛射到耐磨砧上进行超临界冲击粉碎;并结合分选设备进行除尘及多级分选,收集不同粒径介微集料,或者将不同粒径介微集料循环粉碎。The 6S processing technology of coarse and fine meso-micro-aggregate for concrete according to claim 4, characterized in that: adopting ternary flow to realize high-speed rotation, projecting dust material and fine aggregate to wear-resistant anvil for supercritical impact pulverization; The sorting equipment performs dust removal and multi-stage sorting, collects meso-micro aggregates with different particle sizes, or cyclically pulverizes meso-micro aggregates with different particle sizes.
- 一种砼用粗细介微集料6S生产线,包括初级脱泥设备(1),其特征在于:在初级脱泥设备(1)的出料口下方设有物料预处理设备(2),物料预处理设备(2)与精品粗细骨料加工设备(3)连接,精品粗细骨料加工设备(3)与多级选粉设备(4)相连,并且所述各设备的除尘点均通过除尘管道和抽尘系统(5)连接,而抽尘系统(5)与超细微集料加工设备(6)相连,所述超细微集料加工设备(6)包括高压三元流超细粉碎设备及与之连接的分选设备(63),所述分选设备(63)的粉尘出口循环连接到抽尘系统(5),出料口连接到对应微集料 仓(64),或循环连接到高压三元流超细粉碎设备;A 6S production line for coarse and fine meso-micro aggregates for concrete, comprising a primary desliming device (1), characterized in that: a material pretreatment device (2) is arranged below the discharge port of the primary desliming device (1), and the material is pretreated The processing equipment (2) is connected with the fine-quality coarse and fine aggregate processing equipment (3), the fine-quality coarse and fine aggregate processing equipment (3) is connected with the multi-stage powder separation equipment (4), and the dust removal points of the equipment are all passed through dust removal pipes and The dust extraction system (5) is connected, and the dust extraction system (5) is connected with the ultra-fine aggregate processing equipment (6), and the ultra-fine aggregate processing equipment (6) comprises a high-pressure ternary flow ultra-fine pulverizing equipment and the same The connected sorting equipment (63), the dust outlet of the sorting equipment (63) is cyclically connected to the dust extraction system (5), and the discharge port is connected to the corresponding micro-collection bin (64), or is cyclically connected to the high-pressure three Yuanliu ultrafine crushing equipment;上述设备均与控制其相互协作的PLC控制系统连接。The above-mentioned devices are all connected with a PLC control system that controls their mutual cooperation.
- 根据权利要求6所述的砼用粗细介微集料6S生产线,其特征在于:所述物料预处理设备(2)包括粗碎设备(21),所述粗碎设备(21)出料端与多级设置的第一筛分分级设备(22),所述第一筛分分级设备(22)的出料口循环连接到粗碎设备(21),或与精品粗细骨料加工设备(3)连接;所述粗碎设备(21)可以为粗破反击破(211)和与之串联设置的中破反击破(212);The 6S production line for coarse and fine meso-micro-aggregates for concrete according to claim 6, characterized in that: the material preprocessing equipment (2) comprises a coarse crushing equipment (21), and the discharge end of the coarse crushing equipment (21) is connected to A first screening and classification device (22) arranged in multiple stages, the discharge port of the first screening and classification device (22) is cyclically connected to the coarse crushing device (21), or is connected with the fine coarse and fine aggregate processing device (3) connection; the primary crushing equipment (21) may be a primary crushing impact crusher (211) and a medium crushing impact crusher (212) arranged in series with it;或者,所述粗碎设备(21)为颚式破碎机和与之串联设置的反击式破碎机;Alternatively, the primary crushing equipment (21) is a jaw crusher and an impact crusher arranged in series with it;或者,所述粗碎设备(21)为依次串联设置的颚式破碎机、圆锥式破碎机和反击式破碎机。Alternatively, the primary crushing equipment (21) is a jaw crusher, a cone crusher and an impact crusher which are sequentially arranged in series.
- 根据权利要求6所述的砼用粗细介微集料6S生产线,其特征在于:所述精品粗细骨料加工设备(3)包括双速双频破碎制砂设备(31)及与之连接的成品筛分、比例调节循环系统(32),所述成品筛分、比例调节循环系统(32)的超粒径物料出料口循环连接到双速双频破碎制砂设备(31),成品砂石骨料出料口连接到对应的砂石骨料料仓(9),或循环连接到双速双频破碎制砂设备(31)。The 6S production line for coarse and fine meso-micro aggregates for concrete according to claim 6, characterized in that: the fine-quality coarse and fine aggregate processing equipment (3) comprises a double-speed double-frequency crushing sand-making equipment (31) and a finished product connected to it A screening and proportional adjustment circulation system (32), the super-particle size material discharge port of the finished product screening and proportional adjustment circulation system (32) is cyclically connected to a double-speed dual-frequency crushing sand-making equipment (31), and the finished sand and gravel are cyclically connected to The aggregate discharge port is connected to the corresponding sand and gravel aggregate bin (9), or is cyclically connected to the two-speed and two-frequency crushing and sand-making equipment (31).
- 根据权利要求6所述的砼用粗细介微集料6S生产线,其特征在于:所述高压三元流超细粉碎设备与多级串联设置的分选设备(63)相连,所述高压三元流超细粉碎设备为立轴式高压三元流超细粉碎设备(61)或卧式三元流超细粉碎设备(62)。The 6S production line for coarse and fine meso-micro-aggregates for concrete according to claim 6, characterized in that: the high-pressure ternary flow ultra-fine pulverizing equipment is connected to a sorting equipment (63) arranged in series in multiple stages, and the high-pressure ternary The flow superfine crushing equipment is a vertical shaft type high pressure ternary flow superfine crushing equipment (61) or a horizontal ternary flow superfine crushing equipment (62).
- 根据权利要求9所述的砼用粗细介微集料6S生产线,其特征在于:所述立轴式高压三元流超细粉碎设备(61)包括支架(611),在支架(611)上设有筒体(612),筒体(612)顶部进料口连接到缓存仓(65),底部出料口与分选设备(63)相连;筒体(612)内从上至下设有多层三元流粉碎机构(613),并且相邻三元流粉碎机构(613)底部通过第一负压物料通道(614)相连;The 6S production line for coarse and fine meso-micro-aggregates for concrete according to claim 9, characterized in that: the vertical shaft type high-pressure ternary flow ultra-fine pulverizing equipment (61) comprises a bracket (611), and the bracket (611) is provided with The cylinder body (612), the top feed port of the cylinder body (612) is connected to the buffer bin (65), and the bottom discharge port is connected to the sorting equipment (63); the cylinder body (612) is provided with multiple layers from top to bottom A ternary flow crushing mechanism (613), and the bottoms of adjacent ternary flow crushing mechanisms (613) are connected through a first negative pressure material channel (614);所述卧式高压三元流超细粉碎设备(62)包括安装架(621),在安装架(621)上固连有多级并列设置的三元流粉碎装置(622),相邻三元流粉碎装置之间设有相互连通的第二负压物料通道(623),首级三元流粉碎装置(622)的进料口连接到缓存仓(65),底部出料口与分选设备(63)相连。The horizontal high-pressure ternary flow superfine pulverizing equipment (62) includes an installation frame (621), on which are fixedly connected multi-stage juxtaposed ternary flow pulverizing devices (622), and adjacent ternary flow pulverizing devices (622). A second negative pressure material channel (623) which communicates with each other is provided between the flow crushing devices. The feed port of the first-stage ternary flow crushing device (622) is connected to the buffer bin (65), and the bottom discharge port is connected to the sorting equipment. (63) CONNECTED.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010739113.9A CN111841849A (en) | 2020-07-28 | 2020-07-28 | Thick-medium-fine micro aggregate 6S processing technology for concrete and production line |
CN202010739113.9 | 2020-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022021960A1 true WO2022021960A1 (en) | 2022-02-03 |
Family
ID=72947966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/088931 WO2022021960A1 (en) | 2020-07-28 | 2021-04-22 | 6s processing process and production line of coarse and fine meso- and microaggregates for concrete |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN111841849A (en) |
WO (1) | WO2022021960A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114535268A (en) * | 2022-03-30 | 2022-05-27 | 宁波绿宝环保科技有限公司 | Building residue soil recycling method and recycling system thereof |
CN114950699A (en) * | 2022-04-08 | 2022-08-30 | 浙江华东工程建设管理有限公司 | Double-powder-selecting full-dry-method desilting system and method after coarse crushing of aggregate processing system |
CN115069388A (en) * | 2022-06-13 | 2022-09-20 | 四川兴城港瑞建材有限公司 | Premixed concrete sandstone aggregate production screening system and operation method |
CN115212955A (en) * | 2022-08-11 | 2022-10-21 | 辽宁隆源砂业有限公司 | Quartz sand proppant and preparation device and method thereof |
CN115501963A (en) * | 2022-09-21 | 2022-12-23 | 无锡新而立机械设备有限公司 | Marble powder making system and powder making process thereof |
CN116003041A (en) * | 2022-12-12 | 2023-04-25 | 亚泰集团长春建材有限公司 | Method and equipment for preparing concrete by granite powder |
CN116060193A (en) * | 2023-03-06 | 2023-05-05 | 中铁工程服务有限公司 | Machine-made sand quality control method and device based on dry processing technology |
CN117206158A (en) * | 2023-10-23 | 2023-12-12 | 河北永上建材有限公司 | Processing equipment and method for recycled concrete |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111841849A (en) * | 2020-07-28 | 2020-10-30 | 贵州成智重工科技有限公司 | Thick-medium-fine micro aggregate 6S processing technology for concrete and production line |
CN113304866B (en) * | 2021-05-20 | 2023-01-10 | 湖北省路桥集团有限公司 | Andesite aggregate processing system and method |
CN113385286B (en) * | 2021-07-30 | 2022-10-28 | 重庆市涪陵区大业建材有限公司 | Sand and powder refining treatment process and system in dry production of sandstone |
CN115008595A (en) * | 2022-07-04 | 2022-09-06 | 朱东敏 | Green (ultra) high-performance concrete field mixing and construction integrated production line |
CN116283006B (en) * | 2023-02-27 | 2024-02-23 | 中铁四局集团有限公司 | Production method of stone powder with controllable activity for preparing cavity slag |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101823015A (en) * | 2009-03-04 | 2010-09-08 | 中国葛洲坝集团股份有限公司 | Process for controlling content of stone powder produced by concrete fine aggregates |
CN102010144A (en) * | 2010-11-01 | 2011-04-13 | 青岛理工大学 | Method for preparing high-quality recycled fine aggregate by using waste concrete |
JP2016172235A (en) * | 2015-03-17 | 2016-09-29 | 三和石産株式会社 | Method for recovering concrete sludge fine particle and concrete sludge fine particle |
CN208071594U (en) * | 2018-04-02 | 2018-11-09 | 贵州涟江源建材有限公司 | A kind of high performance concrete Machine-made Sand process units |
CN109731661A (en) * | 2019-02-28 | 2019-05-10 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate five is enjoyed a double blessing dry milling production line and processing method |
CN110681475A (en) * | 2019-11-19 | 2020-01-14 | 贵州成智重工科技有限公司 | Crushing production line and method for processing high-quality sandstone aggregate based on hard rock |
CN111348856A (en) * | 2020-03-16 | 2020-06-30 | 李伟萍 | Preparation process of powder for artificial granite |
CN111389564A (en) * | 2020-04-22 | 2020-07-10 | 福建省绿能环保科技有限公司 | Selective crushing sand making process after mixed aggregate is pre-screened |
CN111841849A (en) * | 2020-07-28 | 2020-10-30 | 贵州成智重工科技有限公司 | Thick-medium-fine micro aggregate 6S processing technology for concrete and production line |
CN212468428U (en) * | 2020-07-28 | 2021-02-05 | 贵州成智重工科技有限公司 | Coarse and fine medium micro aggregate 6S production line for concrete |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200967008Y (en) * | 2006-08-11 | 2007-10-31 | 深圳市埃玛特实业有限公司 | Primary separating grinder of mixed wate |
CN201366354Y (en) * | 2009-03-23 | 2009-12-23 | 龙岩市亿丰粉碎机械有限公司 | Ultrafine grinder |
CN201454634U (en) * | 2009-09-16 | 2010-05-12 | 湖南金能科技股份有限公司 | Multilevel circulating pulverizer |
CN201609671U (en) * | 2010-01-06 | 2010-10-20 | 黄如健 | Vertical multistage coaxial impact crushing separator |
CN203355824U (en) * | 2013-06-27 | 2013-12-25 | 潍坊正远粉体工程设备有限公司 | Rotor mill |
CN203417721U (en) * | 2013-07-22 | 2014-02-05 | 四川坤森微纳科技股份有限公司 | Ultrafine grinding system |
CN203508177U (en) * | 2013-09-22 | 2014-04-02 | 南通新邦化工科技有限公司 | Stearate crushing device |
CN205684174U (en) * | 2016-04-29 | 2016-11-16 | 山东众森节能材料有限公司 | A kind of materials of man-made sand integrated production system |
CN108972896A (en) * | 2018-08-02 | 2018-12-11 | 贵州成智重工科技有限公司 | A kind of building station type production line that can produce sand and aggregate simultaneously |
CN109876917A (en) * | 2019-02-28 | 2019-06-14 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate impacts dry milling production line and processing method entirely |
-
2020
- 2020-07-28 CN CN202010739113.9A patent/CN111841849A/en active Pending
-
2021
- 2021-04-22 WO PCT/CN2021/088931 patent/WO2022021960A1/en active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101823015A (en) * | 2009-03-04 | 2010-09-08 | 中国葛洲坝集团股份有限公司 | Process for controlling content of stone powder produced by concrete fine aggregates |
CN102010144A (en) * | 2010-11-01 | 2011-04-13 | 青岛理工大学 | Method for preparing high-quality recycled fine aggregate by using waste concrete |
JP2016172235A (en) * | 2015-03-17 | 2016-09-29 | 三和石産株式会社 | Method for recovering concrete sludge fine particle and concrete sludge fine particle |
CN208071594U (en) * | 2018-04-02 | 2018-11-09 | 贵州涟江源建材有限公司 | A kind of high performance concrete Machine-made Sand process units |
CN109731661A (en) * | 2019-02-28 | 2019-05-10 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate five is enjoyed a double blessing dry milling production line and processing method |
CN110681475A (en) * | 2019-11-19 | 2020-01-14 | 贵州成智重工科技有限公司 | Crushing production line and method for processing high-quality sandstone aggregate based on hard rock |
CN111348856A (en) * | 2020-03-16 | 2020-06-30 | 李伟萍 | Preparation process of powder for artificial granite |
CN111389564A (en) * | 2020-04-22 | 2020-07-10 | 福建省绿能环保科技有限公司 | Selective crushing sand making process after mixed aggregate is pre-screened |
CN111841849A (en) * | 2020-07-28 | 2020-10-30 | 贵州成智重工科技有限公司 | Thick-medium-fine micro aggregate 6S processing technology for concrete and production line |
CN212468428U (en) * | 2020-07-28 | 2021-02-05 | 贵州成智重工科技有限公司 | Coarse and fine medium micro aggregate 6S production line for concrete |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114535268B (en) * | 2022-03-30 | 2023-07-14 | 宁波绿宝环保科技有限公司 | Building residue soil recycling method and recycling system thereof |
CN114535268A (en) * | 2022-03-30 | 2022-05-27 | 宁波绿宝环保科技有限公司 | Building residue soil recycling method and recycling system thereof |
CN114950699A (en) * | 2022-04-08 | 2022-08-30 | 浙江华东工程建设管理有限公司 | Double-powder-selecting full-dry-method desilting system and method after coarse crushing of aggregate processing system |
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 |
CN115069388A (en) * | 2022-06-13 | 2022-09-20 | 四川兴城港瑞建材有限公司 | Premixed concrete sandstone aggregate production screening system and operation method |
CN115069388B (en) * | 2022-06-13 | 2023-11-03 | 四川兴城港瑞建材有限公司 | Pre-mixed concrete gravel aggregate production screening system and operation method |
CN115212955A (en) * | 2022-08-11 | 2022-10-21 | 辽宁隆源砂业有限公司 | Quartz sand proppant and preparation device and method thereof |
CN115501963B (en) * | 2022-09-21 | 2023-07-18 | 无锡新而立机械设备有限公司 | Marble Dan Zhifen system and powder process thereof |
CN115501963A (en) * | 2022-09-21 | 2022-12-23 | 无锡新而立机械设备有限公司 | Marble powder making system and powder making process thereof |
CN116003041A (en) * | 2022-12-12 | 2023-04-25 | 亚泰集团长春建材有限公司 | Method and equipment for preparing concrete by granite powder |
CN116060193A (en) * | 2023-03-06 | 2023-05-05 | 中铁工程服务有限公司 | Machine-made sand quality control method and device based on dry processing technology |
CN117206158A (en) * | 2023-10-23 | 2023-12-12 | 河北永上建材有限公司 | Processing equipment and method for recycled concrete |
CN117206158B (en) * | 2023-10-23 | 2024-02-09 | 河北永上建材有限公司 | Processing equipment and method for recycled concrete |
Also Published As
Publication number | Publication date |
---|---|
CN111841849A (en) | 2020-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2022021960A1 (en) | 6s processing process and production line of coarse and fine meso- and microaggregates for concrete | |
CN110681475A (en) | Crushing production line and method for processing high-quality sandstone aggregate based on hard rock | |
CN105413842B (en) | The ore-dressing technique of Ultra-low-grade magnetite and system | |
CN109876917A (en) | A kind of high-quality sandstone aggregate impacts dry milling production line and processing method entirely | |
CN101607227A (en) | The method and the magnetic plant of slag steel iron removal by magnetic separation | |
CN209576975U (en) | A kind of high-quality sandstone aggregate impacts dry milling production line entirely | |
CN108940528A (en) | A kind of efficient ore reduction technique and its crushing system | |
CN108014913A (en) | The Ultra-low-grade magnetite beneficiation method and system of association Phosphate minerals | |
CN112439530A (en) | Fine granite machine-made sandstone aggregate production line and process flow thereof | |
CN110947496A (en) | Magnetic ore dry grinding and sorting system | |
CN211678135U (en) | Magnetic ore dry grinding and sorting system | |
CN211026657U (en) | Broken production line based on high-quality grit aggregate of hard rock processing | |
CN212468428U (en) | Coarse and fine medium micro aggregate 6S production line for concrete | |
CN103769286A (en) | Ore grinding process | |
CN218742467U (en) | High-pressure roller mill closed-circuit screening preselection device | |
CN216631130U (en) | Multistage crushing type fine-quality machine-made sand grinding equipment | |
CN212468400U (en) | Superfine medium micro-aggregate processing system | |
CN211755948U (en) | Lean magnetite dry and wet combined preselection system | |
CN214439852U (en) | Host base discharging internal and external compound grading flour mill | |
CN214320440U (en) | Vertical grinding sand making system with shaping function | |
CN109158202A (en) | Broken-screening-washup the technique of the high high water earth's surface mixing bloodstone of mud | |
CN202200430U (en) | Waste tire pulverizing system | |
CN212418276U (en) | Agglomerate impact dissociation sorting system | |
CN109865585B (en) | Method for improving yield of extremely-poor ore | |
CN113649101A (en) | Device and process method for comprehensively utilizing low-grade lead-zinc ore |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21848896 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21848896 Country of ref document: EP Kind code of ref document: A1 |