CN220160172U - Granite sand making system - Google Patents
Granite sand making system Download PDFInfo
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- CN220160172U CN220160172U CN202321262134.1U CN202321262134U CN220160172U CN 220160172 U CN220160172 U CN 220160172U CN 202321262134 U CN202321262134 U CN 202321262134U CN 220160172 U CN220160172 U CN 220160172U
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- sand
- classifier
- vibrating screen
- sand making
- granite
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- 239000004576 sand Substances 0.000 title claims abstract description 102
- 239000010438 granite Substances 0.000 title claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 58
- 239000002245 particle Substances 0.000 claims abstract description 41
- 238000012216 screening Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 239000011265 semifinished product Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 53
- 238000003860 storage Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The utility model relates to the technical field of sand production, in particular to a granite sand production system; the device specifically comprises a crushing unit, a screening unit and a dust collection unit; the crushing unit comprises a jaw crusher and a sand making machine; the screening unit comprises a classifier and a vibrating screen, and the classifier is divided into a static part and a dynamic part; the dust collecting unit comprises a cyclone dust collector, a circulating fan and a cloth bag dust collector; semi-finished products obtained by the dynamic part of the classifier and semi-finished products sieved by the vibrating screen are respectively stored in a semi-finished product sand area, and machine-made sand is obtained by proportioning the four semi-finished product sand with different particle sizes. The utility model has the advantages that: the stone powder with more granite can be collected by the cyclone dust collector, and meanwhile, the problems of needle-like and flaky particle shapes of the granite are reduced.
Description
Technical Field
The utility model relates to the technical field of sand production, in particular to a granite sand production system.
Background
The existing sand making technology is that rock, mine tailings or industrial waste residue particles with the particle size smaller than 4.75 mm are subjected to soil removal treatment and then are mechanically crushed and screened to prepare the sand making technology; however, for high-strength rock, the grading of a single vertical shaft broken sand-making product is unreasonable, and the phenomenon that the middle grading of the finished sand is lost and the fineness modulus of the product is larger exists; moreover, because the hardness of the high-strength rock is serious in abrasion to equipment, a sand making process of combining fine crushing and rod mill crushing is commonly used at present, and the phenomenon of unbalanced fineness modulus and grading of finished sand is adjusted by utilizing the rod mill in use.
In the prior art, patent application number: 202011184021.5 discloses a sand making system and a sand making method, comprising: the sand making machine comprises a frame, a storage bin, a sand making machine, a first conveying mechanism, a second conveying mechanism, a screening machine and a third conveying mechanism; the first conveying mechanism is used for conveying raw materials from the storage bin to the sand making machine; the second conveying mechanism is used for conveying sand grains manufactured by the sand manufacturing machine to the screening machine; the third conveying mechanism is used for conveying unqualified sand grains screened by the screening machine to the screening machine again, and fine crushing and sand making of materials such as rock, quartz stone and the like can be carried out through the operation of the device.
In actual work, the granite material has the characteristics of high quartz content and low sulfide content, is a good raw material for sand making, but the granite itself has higher stone powder content, and the particle shape contains too many needles and flakes, so the technical problems are as follows: it would be highly desirable to provide a granite sand making system that reduces stone dust and corrects grain shape.
Disclosure of Invention
The utility model aims to provide a granite sand making system which is used for solving the problems of more granite powder and poor particle shape in the prior art.
The technical scheme of the utility model is as follows: a granite sand making system consists of a crushing unit, a screening unit and a dust collecting unit;
the crushing unit comprises a jaw crusher and a sand making machine; the discharge port of the jaw crusher is connected with the sand making machine, the discharge port of the sand making machine is connected with the screening unit through the bucket elevator, granite materials are fed from the feed port of the jaw crusher and enter the screening unit after being crushed;
the screening unit comprises a classifier and a vibrating screen; the classifier is divided into a static part and a dynamic part, the static part of the classifier is connected with a vibrating screen, the vibrating screen is provided with two discharge holes with different specifications, namely a vibrating screen discharge hole A and a vibrating screen discharge hole B, the vibrating screen discharge hole A returns to the sand making machine through a conveying device, and the vibrating screen discharge hole B is connected with a finished sand area; the dynamic part of the classifier is connected with a dust collecting unit which can collect stone powder in granite;
the dust collection unit comprises a cyclone dust collector, a circulating fan and a cloth bag dust collector, an air inlet of the cyclone dust collector is connected with an air outlet of the dynamic part of the classifier, an air outlet of the cyclone dust collector is connected with an air inlet of the circulating fan, and an air outlet of the circulating fan is respectively connected with an air inlet of the cloth bag dust collector and an air inlet of the classifier; the air outlet of the cloth bag dust collector is connected with an external exhaust fan.
Further, the crushing unit is also provided with a roller press, a steady flow bin is also arranged above the roller press, and the roller press is arranged between the bucket elevator and the sand making machine; the sand making machine is a hammer sand making machine and has a screening function, the sand making machine breaks granite in the sand making machine, and materials smaller than 5mm enter a steady flow bin and then are broken for the third time through a roller press.
Further, two vibrating screens are arranged in the screening unit, namely a vibrating screen A and a vibrating screen B; the vibrating screen A is arranged between the bucket elevator and the classifier, and is provided with two discharge ports with different particle diameters, and the two discharge ports are respectively connected with the steady flow bin and the classifier; the static part of the grader is connected with a vibrating screen B, the vibrating screen B is provided with two discharge ports with different specifications, and the discharge ports of the vibrating screen B are respectively connected with the steady flow bin and the finished sand area.
Furthermore, the dynamic part of the classifier is a three-rotor powder concentrator, so that semi-finished sand with three particle sizes of 0.6mm, 0.3mm and 0.15mm and stone powder with particle size smaller than 0.075 mm can be separated, and the stone powder with particle size smaller than 0.075 mm can be separated from the cyclone dust collector connected with the three-rotor powder concentrator.
Further, the semi-finished product sand with the grain size of 1-2 mm below the screen of the vibrating screen B is connected with a semi-finished product sand area; the semi-finished product sand area is divided into four semi-finished product storage areas, and three semi-finished product sand with different particle sizes separated by the three-rotor powder concentrator and sand with the particle size of 1 mm-2 mm separated by the vibrating screen B are correspondingly arranged in the corresponding particle size storage areas.
The utility model has the advantages and positive effects that: after the granite is crushed by the jaw crusher with high crushing capacity, the requirements of crushing high-strength granite can be met, the crushed stone strength and granularity are greatly reduced, a rotor in the hammer sand making machine drives a hammer head to rotate, materials with good particle shape and grading can be obtained, the granite is crushed into the particle size smaller than 5mm, the materials entering the roller press can be ensured to form a good material bed, and the particle shape of the crushed granite materials is corrected; the screening device in the sand making machine can ensure the preliminary screening of materials, large-particle materials and partial sheet materials can be screened out, and the needle-shaped and sheet material content in the granite particle shape is further reduced in the crushing link.
The vibrating screen A can ensure the preliminary screening of the materials, large-particle materials and partial flaky materials can be screened out, and the vibrating screening process can play a role in vibrating and crushing, so that the content of needle-shaped and flaky particle materials is further reduced; through the setting of shale shaker B, will not satisfy the material circulation back flow stable storehouse of particle diameter requirement to get into the roll squeezer through flow stable storehouse and roll-in crushing once more, make the material particle diameter qualification rate obtain effectively guaranteeing.
The stone powder in the semi-finished sand can be effectively separated through the setting of the classifier, and the problem of high content of machine-made sand powder is solved.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.
FIG. 2 is a schematic structural view of embodiment 2 of the present utility model
In the figure:
1. vibrating feeder 2, jaw crusher 3 and adhesive tape machine
4. Sand making machine 5, belt conveyor 6 and steady flow bin
7. Roller press 8, bucket elevator 9 and vibrating screen A
10. Classifier 11, vibrating screen B12 and cyclone dust collector
13. Circulation fan 14, cloth bag dust collector 15 and external exhaust fan
16. Air chute
Detailed Description
Example 1
A granite sand making system comprises a crushing unit, a screening unit and a dust collecting unit;
the crushing unit comprises a jaw crusher 2 and a sand making machine 4; the jaw crusher 2 is connected with the sand making machine 4 through the feeding belt machine 3, wherein after granite materials are crushed in two stages, the granite materials are sent into the screening unit through the receiving belt machine 5 and the bucket elevator 8;
the screening unit comprises a classifier 10 and a vibrating screen B11; the classifier 10 is divided into a static part and a dynamic part, the discharge port of the static part of the classifier 10 is connected with a vibrating screen B11, and the vibrating screen B11 is provided with two discharge ports with different specifications and is respectively connected with a finished product area and returned to the sand making machine 4; the dynamic part of the classifier 10 is also connected with a cyclone dust collector 12, and the cyclone dust collector 12 can collect stone powder in granite separated by the classifier 10.
The dust collection unit comprises a circulating fan 13, an air inlet of the cyclone dust collector 12 is connected with an air outlet of a dynamic part of the classifier 10 through an air pipe, an air outlet of the cyclone dust collector 12 is connected with an air inlet of the circulating fan 13, and an air outlet of the circulating fan 13 is respectively connected with an air inlet of the bag dust collector 14 and an air inlet of the classifier 7; the air outlet of the cloth bag dust collector 14 is connected with an external exhaust fan 15, and the cyclone dust collector 12 and the discharge outlet of the cloth bag dust collector 14 are respectively connected with an air chute 16; the stone powder in the granite can be collected by the cyclone dust collector 12, and the bag dust collector 14 plays a role in purifying the discharged air.
In actual operation, the vibrating feeder 1 feeds materials from a granite broken stone storage yard into the jaw crusher 2, the materials discharged from the jaw crusher 2 are sent into a sand making 4 feed port by the tape machine 3, the two-stage crushing is carried out, the crushing capacity of the jaw crusher 2 is high, the requirements of crushing high-strength granite can be met, the crushed granite broken stone strength and granularity are greatly reduced, the crushed granite broken stone enters the sand making machine 4 for fine crushing, a rotor in the sand making machine 4 drives a plurality of hammerheads to strongly impact the materials, the materials rebound to a lining plate to impact again, the materials with better particle shapes and grading can be obtained, and the materials can be screened in the sand making machine 4; the receiving belt conveyor 5 conveys the finely crushed granite materials to the bucket elevator 8 and enters the classifier 10; the classifier 10 classifies the materials of the bucket elevator 8;
the high-speed rotation of the inner rotor in the dynamic part of the classifier 10 produces strong impact on the materials driven by the air flow, and simultaneously bounces on the static blades of the dynamic part, breaks the needle-shaped and sheet-shaped particle materials, and returns to the discharge port of the static part of the classifier for discharge; the materials discharged from the static part of the classifier 10 are screened by a vibrating screen B11, the finished sand with the thickness of 1 mm-2 mm separated by the vibrating screen B11 is sent into a storage warehouse by a finished belt conveyor for storage, and the large-particle materials on the screen are returned to the sand making machine 4 for impact crushing again.
Example 2
A granite sand making system comprises a three-stage crushing unit, a screening unit and a dust collecting unit;
the three-stage crushing unit comprises a jaw crusher 2, a sand making machine 4 and a roller press 7; the jaw crusher 2 is connected with a sand making machine 4 through a tape machine 3, the sand making machine 4 is a hammer type sand making machine and has a screening function, granite is crushed in the sand making machine 4 and then enters a roller press 7 through a steady flow bin 6, wherein granite materials are crushed in two stages, and then are conveyed to the steady flow bin 6 by a belt machine 5 and then enter the roller press 7 for further rolling and crushing;
the roller press 7 is connected with the vibrating screen A9 through a bucket elevator 8, the vibrating screen A9 is provided with two discharge ports with different particle sizes, one discharge port can pass through 3-5mm of materials and then return to the steady flow bin 6, and the other discharge port can pass through materials smaller than 3mm and enter the classifier 10;
the classifier 10 is a combined type efficient multistage classifier 10, the combined type efficient multistage classifier 10 is divided into a static part and a dynamic part, a feed inlet of the combined type efficient multistage classifier is connected with a discharge hole of the vibrating screen A9, and a discharge hole of 1-3mm is arranged at the static part of the combined type efficient multistage classifier and is connected with the vibrating screen B11; the dynamic part of the classifier is a three-rotor powder concentrator, so that semi-finished sand with three particle sizes of 0.6mm, 0.3mm and 0.15mm and stone powder with the particle size of less than 0.075 mm can be separated, and the cyclone dust collector 12 connected with the three-rotor powder concentrator can separate stone powder with the particle size of less than 0.075 mm in air flow. The vibrating screen B11 is provided with two discharge holes with different specifications and is respectively connected with the steady flow bin 6 and the semi-finished sand area; the vibrating screen B11 can return materials with the grain size of 2 mm-3 mm to the steady flow bin 6, and the semi-finished sand with the grain size of 1 mm-2 mm below the screen is connected with the semi-finished sand area.
The dust collection unit comprises a cyclone dust collector 12, a circulating fan 13 and a cloth bag dust collector 14, wherein an air inlet of the cyclone dust collector 12 is connected with an air outlet of a dynamic part of the classifier 10 through an air pipe, an air outlet of the cyclone dust collector 12 is connected with an air inlet of the circulating fan 13, an air outlet of the circulating fan 13 is respectively connected with an air inlet of the cloth bag dust collector 14 and an air inlet of the classifier 10, the cloth bag dust collector 14 is connected with the cyclone dust collector 12 through the circulating fan 13, an air inlet of the cloth bag dust collector 14 is connected with one air pipe of the circulating fan 13, an air outlet of the cloth bag dust collector 14 is connected with an outer exhaust fan 15, and discharge outlets of the cyclone dust collector 12 and the cloth bag dust collector 14 are respectively connected with an air chute 16; the stone powder in the granite can be collected by the cyclone dust collector 12, and the exhaust air purifying effect can be satisfied by the arrangement of the cloth bag dust collector 14.
In actual operation, the vibrating feeder 1 feeds materials from a granite broken stone storage yard into the jaw crusher 2, the materials discharged from the jaw crusher 2 are sent into a feed port of the sand making machine 4 by the tape machine 3, the materials after two-stage crushing meet the feeding requirement of the roller press 7, meanwhile, the jaw crusher 2 has strong crushing capacity, can meet the requirement of crushing high-strength granite, the crushed granite broken stone strength and granularity are greatly reduced, and the crushed granite broken stone enters the sand making machine 4 for shaping, so that materials with better grain shape and grading can be obtained, and the materials entering the roller press 7 cannot form a better material bed; the belt conveyor 5 conveys the granite materials subjected to two-stage crushing to the steady flow bin 6, the roll squeezer 7 squeezes and crushes the granite crushed materials subjected to two-stage crushing to obtain materials with different particle sizes and different particle shapes, and the squeezed and crushed materials automatically slide into the bucket elevator 8; the vibrating screen A9 performs primary screening on the materials from the bucket elevator 8, returns the materials with the thickness of 3-5mm to the steady flow bin 6, reenters the roller press 7 for continuous crushing, and enters the combined high-efficiency multistage classifier 10; the combined high-efficiency multistage classifier 10 classifies fine materials from the vibrating screen A9, 1-3mm materials slide into the vibrating screen B11 from a static part discharge hole, the dynamic part is a three-rotor powder classifier, three semi-finished sand with the particle sizes of 0.6mm, 0.3mm and 0.15mm can be separated, the three semi-finished sand are respectively stored in a semi-finished sand area, meanwhile, stone powder with the particle size of less than 0.075 mm is separated and then enters the cyclone dust collector 12 along with air flow, the cyclone dust collector 12 can perform gas-solid separation on the air flow from the combined high-efficiency multistage classifier 11, and the stone powder is collected and discharged through the air chute 16; the vibrating screen B11 screens the material from the static part of the combined high-efficiency multistage classifier 10, part of needle-shaped and sheet-shaped particles can be separated, the separated needle-shaped and sheet-shaped particles return to the roller press 7 for treatment, and the semi-finished sand with the grain size of 1-2 mm is stored in a semi-finished sand area under the screen; three grain-size semi-finished sand with 0.6mm, 0.3mm and 0.15mm and 1 mm-2 mm semi-finished sand are mixed according to a certain proportion to obtain machine-made sand.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. A granite sand making system, characterized in that: the device consists of a crushing unit, a screening unit and a dust collection unit;
the crushing unit comprises a jaw crusher and a sand making machine; the discharge port of the jaw crusher is connected with the sand making machine, the discharge port of the sand making machine is connected with the screening unit through the bucket elevator, granite materials are fed from the feed port of the jaw crusher and enter the screening unit after being crushed;
the screening unit comprises a classifier and a vibrating screen; the classifier is divided into a static part and a dynamic part, the static part of the classifier is connected with a vibrating screen, the vibrating screen is provided with two discharge holes with different specifications, namely a vibrating screen discharge hole A and a vibrating screen discharge hole B, the vibrating screen discharge hole A returns to the sand making machine through a conveying device, and the vibrating screen discharge hole B is connected with a finished sand area; the dynamic part of the classifier is connected with a dust collection unit;
the dust collection unit comprises a cyclone dust collector, a circulating fan and a cloth bag dust collector, an air inlet of the cyclone dust collector is connected with an air outlet of the dynamic part of the classifier, an air outlet of the cyclone dust collector is connected with an air inlet of the circulating fan, and an air outlet of the circulating fan is respectively connected with an air inlet of the cloth bag dust collector and an air inlet of the classifier; the air outlet of the cloth bag dust collector is connected with an external exhaust fan.
2. The granite sand making system of claim 1, wherein: the crushing unit is also provided with a roller press, a steady flow bin is arranged above the roller press, and the roller press is arranged between the bucket elevator and the sand making machine; the sand making machine is a hammer sand making machine and has a screening function, the sand making machine breaks granite in the sand making machine, and materials smaller than 5mm enter a steady flow bin and then are broken for the third time through a roller press.
3. The granite sand making system of claim 2, wherein: the screening unit comprises two vibrating screens, namely a vibrating screen A and a vibrating screen B; the vibrating screen A is arranged between the bucket elevator and the classifier, and is provided with two discharge ports with different particle diameters, and the two discharge ports are respectively connected with the steady flow bin and the classifier; the vibrating screen B is provided with two discharge ports with different specifications, and the discharge ports of the vibrating screen B are respectively connected with the steady flow bin and the finished sand area.
4. A granite sand making system as set forth in claim 3, wherein: the static part discharge port of the classifier is connected with the vibrating screen B, the dynamic part of the classifier is a three-rotor powder classifier, and can separate semi-finished sand with three particle sizes of 0.6mm, 0.3mm and 0.15mm and stone powder with the particle size of less than 0.075 mm from each other, and a cyclone dust collector connected with the three-rotor powder classifier can separate stone powder with the particle size of less than 0.075 mm from each other in airflow.
5. The granite sand making system of claim 4 wherein: the semi-finished sand with the grain size of 1 mm-2 mm below the screen of the vibrating screen B is transmitted to a semi-finished sand area; the semi-finished product sand area is divided into four semi-finished product storage areas, and three semi-finished product sand with different particle sizes separated by the three-rotor powder concentrator and 1-2 mm semi-finished product sand separated by the vibrating screen B are correspondingly arranged in the corresponding particle size storage areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262134.1U CN220160172U (en) | 2023-05-24 | 2023-05-24 | Granite sand making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262134.1U CN220160172U (en) | 2023-05-24 | 2023-05-24 | Granite sand making system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220160172U true CN220160172U (en) | 2023-12-12 |
Family
ID=89057761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321262134.1U Active CN220160172U (en) | 2023-05-24 | 2023-05-24 | Granite sand making system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220160172U (en) |
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2023
- 2023-05-24 CN CN202321262134.1U patent/CN220160172U/en active Active
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