CN217093818U - Comprehensive development and utilization system for granite solid waste for veneers - Google Patents
Comprehensive development and utilization system for granite solid waste for veneers Download PDFInfo
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- CN217093818U CN217093818U CN202220192459.6U CN202220192459U CN217093818U CN 217093818 U CN217093818 U CN 217093818U CN 202220192459 U CN202220192459 U CN 202220192459U CN 217093818 U CN217093818 U CN 217093818U
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- 239000010438 granite Substances 0.000 title claims abstract description 27
- 239000002910 solid waste Substances 0.000 title claims abstract description 27
- 238000011161 development Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 103
- 238000012216 screening Methods 0.000 claims abstract description 39
- 239000004576 sand Substances 0.000 claims abstract description 35
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims description 54
- 239000004575 stone Substances 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 12
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 19
- 239000002699 waste material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- -1 finally Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a granite solid waste comprehensive development and utilization system for veneering, which relates to the field of non-metal processing, and comprises a raw material transportation carrier, a raw ore bin, a coarse crushing unit, a middle crushing unit, a fine crushing unit, a first-stage screening unit, a second-stage screening unit and a sand making unit, wherein a bar vibrating feeder feeds coarse-grained material into a jaw crusher for coarse crushing, and the coarse crushed product and fine material sieved by the bar vibrating feeder are fed into a single-cylinder cone crusher together for middle crushing; feeding the medium crushed product into an upper layer screen mesh of a first vibrating screen for screening, and feeding oversize materials of the upper layer screen mesh into a fine crushing buffer bin; feeding the materials into a multi-cylinder cone crusher through a vibrating feeder to be finely crushed; the fine crushed products fall onto the second belt conveyor and are fed into an upper screen mesh of the first vibrating screen together with the medium crushed products; and feeding the undersize material of the upper screen mesh and the undersize material of the lower screen mesh of the first vibrating screen into the upper screen mesh of the second vibrating screen through a fourth belt conveyor, and continuously carrying out two-stage screening and sand making.
Description
Technical Field
The utility model relates to a non-metal processing field, more specifically relate to granite waste utilization technical field.
Background
Granite is a deep rock magma, which is formed by rising hot magma in the deep underground and losing heat and condensing, and the rock quality is hard and dense. Granite comprises quartz, feldspar and mica as main components. Wherein the feldspar content is 40% -60%, the quartz content is 20% -40%, and the color is determined by the types and the amount of the contained components.
According to the Ministry of mineral resources law of the people's republic of China, granite resources are divided into two types, namely facing granite and building granite. The former is mainly used for producing granite plates, special-shaped stones and other decorative stones, and the latter is mainly used for producing building stones such as sandstone aggregates and the like.
At the in-process of exploiting granite for the veneer, except that the output granite pierced billet is used to the veneer, also can produce a large amount of top layers and peel off the country rock, at the in-process of cutting process granite pierced billet simultaneously, also can produce a lot of discarded leftover bits. For the solid wastes, the conventional method is to stack the solid wastes in deep trenches near mines, so that the method not only occupies the land, damages surface vegetation and has potential safety hazards of water and soil loss, but also causes resource waste. From the viewpoint of ore properties, these solid wastes are also granite, and the texture is still hard, and although the requirements of granite for facing are not met, the solid wastes can still be comprehensively utilized. However, to date, there is no complete system for comprehensive exploitation and utilization of granite solid waste to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a comprehensive development and utilization system and a comprehensive development and utilization process for granite solid waste for veneers, which aim to solve the problems that the solid waste (the surficial weathered granite and the leftover materials generated by cutting) is disorderly stacked to occupy the land and waste the resources in the processes of exploiting and processing the granite for veneers.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a comprehensive development and utilization system for granite solid waste for a facing comprises a raw material transport carrier, a raw ore bin, a coarse crushing unit, a middle crushing unit, a fine crushing unit, a first-stage screening unit, a second-stage screening unit and a sand making unit; the coarse crushing unit comprises a bar vibrating feeder and a jaw crusher, a first belt conveyor connected with a middle crushing unit is arranged below a discharge port of the jaw crusher, a raw material receiving end of the first belt conveyor extends to the lower part of bars of the bar vibrating feeder, the middle crushing unit comprises a single-cylinder cone crusher arranged below the head part of the first belt conveyor, a second belt conveyor is arranged below the discharge port of the single-cylinder cone crusher, the first section of screening unit comprises a first vibrating screen arranged below the head part of the second belt conveyor, the first vibrating screen is provided with an upper layer of screen mesh and a lower layer of screen mesh, materials on the upper layer of screen mesh of the first vibrating screen fall to a third belt conveyor for conveying coarse materials, the fine crushing unit comprises a fine crushing product buffer bin, a vibrating feeder and a multi-cylinder cone crusher, and the discharge end of the multi-cylinder cone crusher is opposite to a material receiving end of the second belt conveyor, the head of the third belt conveyor is positioned right above the fine crushing buffer bin; and materials under the upper layer screen mesh and the lower layer screen mesh of the first vibrating screen are fed into the two-section screening unit through a fourth belt conveyor.
According to the scheme, stripping waste generated in mining and leftover materials generated in the plate processing process are transported to an aggregate processing area through a raw material transport carrier, poured into a raw ore bin and waiting for further crushing, solid waste in the raw ore bin feeds coarse-grained materials into a jaw crusher through a bar vibrating feeder for coarse crushing, and fine-grained materials leak down and enter intermediate crushing operation together with coarse crushed products; feeding the coarse crushed product and fine materials screened out by the bar vibrating feeder into a single-cylinder cone crusher through a first belt conveyor for intermediate crushing; feeding the medium crushed product into an upper layer screen mesh of the first vibrating screen through a second belt conveyor for screening, and feeding oversize materials of the upper layer screen mesh into a fine crushed product buffer bin through a third belt conveyor; feeding the material in the fine crushing product buffer bin into a multi-cylinder cone crusher for fine crushing through a vibrating feeder; the fine crushed products fall onto a second belt conveyor and are fed into an upper-layer screen mesh of the first vibrating screen together with the medium crushed products for screening; the material falls into fourth band conveyer with the undersize material of the undersize of the upper screen mesh screen of first shale shaker and the undersize material of lower floor's screen cloth, fourth band conveyer with two-stage process screening unit connection smashes qualified thin material and passes through fourth band conveyer and carry, continues to carry out two-stage process screening and system sand, and whole process is broken the raw materials to the convenient follow-up further processing of qualified thin material, and it is effectual to handle solid waste, avoids piling up.
Furthermore, the second-stage screening unit comprises a second vibrating screen, a sixth belt conveyor, a first coarse aggregate product silo, a seventh belt conveyor, a second coarse aggregate product silo and an eighth belt conveyor which are arranged at the output end of the fourth belt conveyor, the second vibrating screen is provided with an upper layer screen and a lower layer screen, and oversize materials on the upper layer screen of the second double-layer vibrating screen enter the first coarse aggregate product silo through the arranged sixth belt conveyor; the oversize material of the lower layer screen mesh enters a second coarse aggregate product silo through a seventh belt conveyor; and the undersize material of the lower-layer screen enters the sand making unit through the eighth belt conveyor.
Through the scheme, the materials below the upper screen mesh and the materials below the lower screen mesh of the first vibrating screen are fed into the upper screen mesh of the second vibrating screen through the fourth belt conveyor, the materials on the fourth belt conveyor are fed into the upper screen mesh of the second double-layer vibrating screen, the materials above the upper screen mesh of the second double-layer vibrating screen enter the first coarse aggregate product silo through the sixth belt conveyor, and the materials above the lower screen mesh enter the second coarse aggregate product silo through the seventh belt conveyor.
Furthermore, the sand making unit comprises a vertical shaft impact crusher, a ninth belt conveyor, a powder concentrator, a finished sand and sand bin and a stone powder bin, undersize materials of the lower layer screen mesh enter the vertical shaft impact crusher through the eighth belt conveyor to be crushed and shaped, materials discharged by the vertical shaft impact crusher are fed into the powder concentrator through the ninth belt conveyor, coarse powder materials discharged by the powder concentrator enter the finished sand and sand bin, and fine powder materials discharged enter the stone powder bin.
According to the scheme, undersize materials of the lower-layer screen mesh enter the vertical shaft impact crusher through the eighth belt conveyor to be crushed and reshaped, materials discharged by the vertical shaft impact crusher are fed into the powder concentrator through the ninth belt conveyor, coarse powder materials discharged by the powder concentrator enter the finished sand and sand bin, discharged fine powder materials enter the stone and powder bin, the whole process is subjected to screening and grading again according to the thickness degree of raw materials, finally sand making is carried out, gravel is subjected to screening and grading, different products such as first coarse aggregate products, second coarse aggregate products, finished sand and stone powder are obtained, the products obtained after solid waste screening and crushing are classified and stored regularly, the comprehensive utilization rate is high, the product purity and the excellent rate are high, the thickness is uniform, and the preparation effect is good.
Furthermore, the upper layer of the first vibrating screen has a screen hole of 32mm, and the lower layer of the first vibrating screen has a screen hole of 18 mm.
Furthermore, the sieve holes of the upper layer and the lower layer of the second vibrating screen are 20mm and 10mm respectively.
Furthermore, the diameter of the coarse powder material of the powder concentrator is 0.075-5mm, and the diameter of the fine powder material is less than 0.075 mm.
The utility model has the advantages as follows:
1. conveying stripping waste generated in mining and leftover materials generated in the plate processing process to an aggregate processing area through a raw material transport carrier, pouring the aggregate processing area into a raw ore bin, waiting for further crushing, feeding coarse-grained materials into a jaw crusher through solid waste in the raw ore bin through a bar vibrating feeder for coarse crushing, and allowing fine-grained materials to leak down and enter a middle crushing operation together with coarse-crushed products; feeding the coarse crushed product and fine materials screened out by the bar vibrating feeder into a single-cylinder cone crusher through a first belt conveyor for intermediate crushing; feeding the medium crushed product into an upper layer screen mesh of the first vibrating screen through a second belt conveyor for screening, and feeding oversize materials of the upper layer screen mesh into a fine crushed product buffer bin through a third belt conveyor; feeding the material in the fine crushing product buffer bin into a multi-cylinder cone crusher for fine crushing through a vibrating feeder; the fine crushed products fall onto a second belt conveyor and are fed into an upper-layer screen mesh of the first vibrating screen together with the medium crushed products for screening; materials below the upper screen mesh and materials below the lower screen mesh of the first vibrating screen fall into a fourth belt conveyor, the fourth belt conveyor is connected with the second-stage screening unit, the qualified crushed fine materials are conveyed through the fourth belt conveyor, second-stage screening and sand making are continuously carried out, the raw materials are crushed to the qualified fine materials in the whole process, subsequent further treatment is facilitated, the effect of treating solid wastes is good, and accumulation is avoided;
2. feeding the undersize material of the upper screen mesh and the undersize material of the lower screen mesh of the first vibrating screen into the upper screen mesh of the second vibrating screen through a fourth belt conveyor, feeding the material on the fourth belt conveyor into the upper screen mesh of the second double-layer vibrating screen, feeding the oversize material of the upper screen mesh of the second double-layer vibrating screen into a first coarse aggregate product silo through a sixth belt conveyor, feeding the oversize material of the lower screen mesh into a second coarse aggregate product silo through a seventh belt conveyor, feeding the undersize material of the lower screen mesh into a vertical shaft impact crusher through an eighth belt conveyor for crushing and shaping, feeding the material discharged by the vertical shaft impact crusher into a powder concentrator through a ninth belt conveyor, feeding the coarse powder material discharged by the powder concentrator into a finished sand silo, feeding the discharged fine powder material into a stone powder silo, carrying out classification again in the whole process according to the thickness degree of raw materials, and finally carrying out sand making, the gravel is screened and graded, so that different products such as a first coarse aggregate product, a second coarse aggregate product, finished sand, stone powder and the like are obtained, the products obtained by screening and crushing solid wastes are regularly stored in a grading and classifying manner, the comprehensive utilization rate is high, the product purity and the excellent rate are high, the thickness is uniform, and the preparation effect is good;
3. the screen mesh number and the powder concentrator parameters are adopted, so that the precision of the screening and powder concentrating processes is ensured, and the quality of finished products is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a raw ore bin; 2. a bar vibrating feeder; 3. a jaw crusher; 4. a first belt conveyor; 5. a single cylinder cone crusher; 6. a multi-cylinder cone crusher; 7. a second belt conveyor; 8. a first vibrating screen; 9. a third belt conveyor; 10. a fine crushed product buffer bin; 11. a vibrating feeder; 12. a fourth belt conveyor; 13. a second vibrating screen; 14. a fifth belt conveyor; 15. a sixth belt conveyor; 16. a seventh belt conveyor; 17. a second coarse aggregate product silo; 18. a first coarse aggregate product silo; 19. a vertical shaft impact crusher; 20. an eighth belt conveyor; 21. selecting a powder machine; 22. a finished product sand silo; 23. and a stone powder bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the embodiment provides a comprehensive development and utilization system for granite solid waste for veneering, which includes a raw material transportation carrier, a raw ore bin 1, a coarse crushing unit, a middle crushing unit, a fine crushing unit, a first-stage screening unit, a second-stage screening unit and a sand making unit; the raw material transportation vehicle is a transportation vehicle in the embodiment, the coarse crushing unit comprises a bar vibrating feeder 2 and a jaw crusher 3, a first belt conveyor 4 connected with a middle crushing unit is arranged below the jaw crusher 3, a raw material receiving end of the first belt conveyor 4 extends to the lower end of bars of the bar vibrating feeder 2 to conveniently receive fine materials, the middle crushing unit comprises a single-cylinder cone crusher 5 arranged at the output end of the first belt conveyor 4, a second belt conveyor 7 is arranged at the output end below the single-cylinder cone crusher 5, a section of screening unit comprises a first vibrating screen 8 at the output end of the second belt conveyor 7, the first vibrating screen 8 is provided with an upper layer of screen mesh and a lower layer of screen mesh, a third belt conveyor 9 is arranged at the upper end of the first vibrating screen 8, the fine crushing unit comprises a fine crushing product buffer bin 10, a vibrating feeder 11 and a multi-cylinder cone crusher 6, the vibrating feeder 11 is used for conveying materials from the fine crushing product buffer bin 10 to the multi-cylinder cone crusher 6, the output end of the multi-cylinder cone crusher 6 is over against the second belt conveyor 7, and the output end of the third belt conveyor 9 extends into the upper end of the fine crushing product buffer bin 10; undersize materials of the upper screen and the lower screen of the first vibrating screen 8 are fed into the second-stage screening unit through a fourth belt conveyor 12.
Referring to fig. 1, the two-stage screening unit includes a second vibrating screen 13, a sixth belt conveyor 15, a first coarse aggregate product silo 18, a seventh belt conveyor 16, a second coarse aggregate product silo 17 and an eighth belt conveyor 20 which are arranged at the output end of a fourth belt conveyor 12, the second vibrating screen 13 is provided with an upper layer screen and a lower layer screen, and oversize materials on the upper layer screen of the second vibrating screen 13 enter the first coarse aggregate product silo 18 through the arranged sixth belt conveyor 15; the oversize material of the lower screen enters a second coarse aggregate product silo 17 through a seventh belt conveyor 16; the undersize material of the lower screen enters a sand making unit through an eighth belt conveyor 20; the sand making unit comprises a vertical shaft impact crusher 19, a ninth belt conveyor, a powder concentrator 21, a finished sand and sand bin 22 and a stone powder bin 23, undersize materials of a lower-layer screen of the second vibrating screen 13 enter the vertical shaft impact crusher 19 through an eighth belt conveyor 20 to be crushed and reshaped, materials discharged by the vertical shaft impact crusher 19 are fed into the powder concentrator 21 through the ninth belt conveyor, coarse powder materials discharged by the powder concentrator 21 enter the finished sand and sand bin 22, and discharged fine powder materials enter the stone powder bin 23.
The working process is as follows: conveying stripping waste generated in mining and leftover materials generated in the plate processing process to an aggregate processing area through a raw material transport carrier, pouring the aggregate processing area into a raw ore bin 1 for further crushing, feeding coarse-grained materials into a jaw crusher 3 for coarse crushing through solid waste in the raw ore bin 1 through a bar vibrating feeder 2, and performing intermediate crushing operation on the fine-grained materials and coarse crushed products; the coarse crushed product and the fine material sieved by the bar vibrating feeder 2 are fed into a single-cylinder cone crusher 5 through a first belt conveyor 4 for secondary crushing; feeding the medium crushed product into an upper-layer screen mesh of a first vibrating screen 8 through a second belt conveyor 7 for screening, and feeding oversize materials of the upper-layer screen mesh into a fine crushed product buffer bin 10 through a third belt conveyor 9; the material in the fine crushing product buffer bin 10 is fed into the multi-cylinder cone crusher 6 for fine crushing through the vibrating feeder 11; the finely crushed product falls onto the second belt conveyor 7 and is fed into the upper screen of the first vibrating screen 8 together with the medium crushed product; the material under the upper screen mesh of the first vibrating screen 8 and the material under the lower screen mesh fall into a fourth belt conveyor 12, the fourth belt conveyor 12 is connected with a second-stage screening unit, raw materials are collected and transported coarsely to be crushed, the qualified crushed fine material falls into the fourth belt conveyor 12 through the fourth belt conveyor 12, second-stage screening and sand making are continued, the material under the upper screen mesh of the first vibrating screen 8 and the material under the lower screen mesh are fed into the upper screen mesh of a second vibrating screen 13 through the fourth belt conveyor 12, the material on the fourth belt conveyor 12 is fed into the upper screen mesh of the second double-stage vibrating screen, the material on the upper screen mesh of the second double-stage vibrating screen enters a first aggregate coarse product silo 18 through a sixth belt conveyor 15, the material on the lower screen mesh enters a second coarse aggregate silo 17 through a seventh belt conveyor 16, and the material under the lower screen mesh enters a vertical shaft impact belt crusher 19 through an eighth belt conveyor 20 to be crushed The materials discharged by the vertical shaft impact crusher 19 are fed into the powder concentrator 21 through the ninth belt conveyor, coarse powder materials discharged by the powder concentrator 21 enter the finished product sand bin 22, discharged fine powder materials enter the stone powder bin 23, the whole process is subjected to screening and grading again according to the thickness degree of raw materials, finally, sand making is carried out, gravel is subjected to screening and grading, then, different products such as a first coarse aggregate product, a second coarse aggregate product, finished product sand, stone powder and the like are obtained, the products obtained after screening and crushing of solid wastes are stored regularly in a grading and classifying mode, the comprehensive utilization rate is high, the product purity and the excellent rate are high, the thickness is uniform, the preparation effect is good, the coarse crushed materials are repeatedly crushed to qualified fine materials in the whole process, the effect of treating the solid wastes is good, and accumulation is avoided.
Equipment parameters: a bar vibrating feeder 2, wherein the bar gap is 150 mm;
the first vibrating screen 8 is a double-layer vibrating screen, the mesh of the upper layer is 32mm, and the mesh of the lower layer is 18 mm;
a second vibrating screen 13, wherein the mesh of the upper layer is 20mm, and the mesh of the lower layer is 10 mm;
the powder selecting machine 21 has the diameter of coarse powder material of 0.075-5mm and the diameter of fine powder material of less than 0.075 mm. The screen mesh number and the powder concentrator parameters are adopted, so that the precision of the screening and powder concentrating processes is ensured, and the quality of finished products is improved.
Claims (6)
1. A comprehensive development and utilization system for granite solid waste for veneering is characterized by comprising a raw material transport carrier, a raw ore bin (1), a coarse crushing unit, a middle crushing unit, a fine crushing unit, a first-stage screening unit, a second-stage screening unit and a sand making unit; the coarse crushing unit comprises a bar vibrating feeder (2) and a jaw crusher (3), a first belt conveyor (4) connected with the middle crushing unit is arranged below a discharge port of the jaw crusher (3), a raw material receiving end of the first belt conveyor (4) extends to the lower portion of a bar of the bar vibrating feeder (2), the middle crushing unit comprises a single-cylinder cone crusher (5) arranged below the head of the first belt conveyor (4), a second belt conveyor (7) is arranged below a discharge port of the single-cylinder cone crusher (5), one section of screening unit comprises a first vibrating screen (8) arranged below the head of the second belt conveyor (7), the first vibrating screen (8) is provided with an upper layer of screen mesh and a lower layer of screen mesh, a material on the upper layer of the first vibrating screen (8) falls to a third belt conveyor (9) used for conveying coarse materials, the fine crushing unit comprises a fine crushing product buffer bin (10), a vibrating feeder (11) and a multi-cylinder cone crusher The discharge end of the multi-cylinder cone crusher (6) is over against the receiving end of the second belt conveyor (7), and the head of the third belt conveyor (9) is positioned right above the fine crushing buffer bin; and undersize materials of the upper layer screen mesh and the lower layer screen mesh of the first vibrating screen (8) are fed into the secondary screening unit through a fourth belt conveyor (12).
2. The comprehensive development and utilization system of granite solid waste for finishing of claim 1, it is characterized in that the two-stage screening unit comprises a second vibrating screen (13), a sixth belt conveyor (15), a first coarse aggregate product silo (18), a seventh belt conveyor (16), a second coarse aggregate product silo (17) and an eighth belt conveyor (20) which are arranged at the output end of the fourth belt conveyor (12), the second vibrating screen (13) is provided with an upper layer of screen mesh and a lower layer of screen mesh, the material on the screen of the upper layer of screen mesh of the second vibrating screen (13) enters a first coarse aggregate product silo (18) through a set sixth belt conveyor (15), the material on the screen of the lower layer of screen mesh enters a second coarse aggregate product silo (17) through a seventh belt conveyor (16), and the material under the screen of the lower layer of screen mesh enters a sand making unit through an eighth belt conveyor (20).
3. The system for comprehensively developing and utilizing the solid wastes of the granite for the veneer according to claim 2, wherein the sand making unit comprises a vertical shaft impact crusher (19), a ninth belt conveyor, a powder concentrator (21), a finished sand silo (22) and a stone powder silo (23), undersize materials of a lower screen of the second vibrating screen (13) enter the vertical shaft impact crusher (19) through an eighth belt conveyor (20) for crushing and shaping, materials discharged from the vertical shaft impact crusher (19) are fed into the powder concentrator (21) through the ninth belt conveyor, coarse powder materials discharged from the powder concentrator (21) enter the finished sand silo (22), and fine powder materials discharged from the stone powder silo (23).
4. A comprehensive exploitation and utilization system of granite solid waste for finishing according to claim 3, characterized in that the first vibrating screen (8) has 32mm mesh on the upper layer and 18mm mesh on the lower layer.
5. The comprehensive development and utilization system for granite solid waste for veneer according to claim 3, characterized in that the second vibrating screen (13) has 20mm mesh at the upper layer and 10mm mesh at the lower layer.
6. The comprehensive development and utilization system for granite solid waste for veneering according to claim 3, characterized in that the diameter of the coarse powder material of the powder concentrator (21) is 0.075-5mm, and the diameter of the fine powder material is less than 0.075 mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550452A (en) * | 2023-05-22 | 2023-08-08 | 浙江交工江欣矿业有限公司 | Limestone processing building aggregate production line and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116550452A (en) * | 2023-05-22 | 2023-08-08 | 浙江交工江欣矿业有限公司 | Limestone processing building aggregate production line and method |
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