CN220387155U - Drying and screening system for dredging sand - Google Patents
Drying and screening system for dredging sand Download PDFInfo
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- CN220387155U CN220387155U CN202322088635.9U CN202322088635U CN220387155U CN 220387155 U CN220387155 U CN 220387155U CN 202322088635 U CN202322088635 U CN 202322088635U CN 220387155 U CN220387155 U CN 220387155U
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- 239000004576 sand Substances 0.000 title claims abstract description 136
- 238000012216 screening Methods 0.000 title claims abstract description 52
- 238000001035 drying Methods 0.000 title claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000004806 packaging method and process Methods 0.000 claims abstract description 31
- 238000005303 weighing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 235000019580 granularity Nutrition 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a drying and screening system of dredged sand, which relates to the technical field of dredging sand preparation systems and comprises a drying and screening mechanism for drying and screening the dredged sand and a powder selecting and temporary storage mechanism for selecting and temporarily storing the powder of the dredged sand, wherein the drying and screening mechanism comprises a raw material hopper, a first conveyor, a dryer and a screening machine; the powder selecting temporary storage mechanism comprises a powder selecting machine and a dry sand bin; the system also comprises a batching and packaging mechanism for proportioning and stirring the dredged sand, wherein the batching and packaging mechanism comprises a sand weighing hopper, a stirrer and a packaging machine; the utility model has simple structure and reasonable design, has the functions of drying, sieving, selecting powder, packaging and the like of the wet sand, not only realizes the efficient drying of the wet sand of the dredging sand, but also can effectively ensure the cleanliness degree of sand materials, and simultaneously can finish the batching and packaging of the finished dredging sand according to the granularity of the sand materials.
Description
Technical Field
The utility model relates to the technical field of dredging sand preparation systems, in particular to a drying and screening system for dredging sand.
Background
The dredging sand is a dredged material produced by dredging the channel in the Yangtze river and the Zhenjiang section, and can be used as a filling material for traffic, construction and hydraulic engineering, and is often applied to concrete blending materials, pavement of road auxiliary facilities, mortar aggregate, landscaping, agriculture and the like.
The dredged sand just collected cannot be directly used, the water content is still higher after the primary water removal and filtration are finished, and the dredged sand is doped with impurities and impurities in a certain proportion, and can be sold and used as a product after being dried and removed.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a drying and screening system for dredging sand, which is used for drying and removing impurities of the dredging sand.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the drying and screening system for the dredging sand is characterized by comprising a drying and screening mechanism for drying and screening the dredging sand and a powder selecting and temporary storage mechanism for selecting and temporarily storing the powder of the dredging sand;
the drying and screening mechanism comprises: the device comprises a raw material hopper, a first conveyor, a dryer and a screening machine in sequence; the lower end of the raw material hopper is provided with a feeder, one end of the first conveyor is positioned at the feeder, the other end of the first conveyor extends to a feed inlet of the dryer, and a first lifting machine is arranged between the screening machine and the dryer and used for conveying materials from the dryer to the screening machine;
the powder selecting temporary storage mechanism comprises: sequentially comprises a powder concentrator and a dry sand bin; a second lifting machine is arranged between the powder concentrator and the screening machine and used for conveying materials from the screening machine to the powder concentrator, a bulk loader is arranged at a discharge hole at the lower end of the dry sand bin, and the dry sand bin is divided into a coarse sand bin and a fine sand bin according to the size of the stored dredging sand granularity;
further, the dredging sand proportioning and stirring device also comprises a proportioning and packaging mechanism for proportioning and stirring the dredging sand, wherein the lower sides of the coarse sand bin and the fine sand bin are provided with eccentric cone discharge holes;
the batching and packaging mechanism comprises: sequentially comprises a sand weighing hopper, a stirrer and a packaging machine; the second conveyor is arranged between the eccentric cone discharge hole and the sand weighing hopper and used for conveying materials from the dry sand bin to the sand weighing hopper, the third conveyor and the third elevator are sequentially arranged between the sand weighing hopper and the stirrer, the sand weighing hopper is used for conveying materials from the third conveyor and the third elevator to the stirrer, and the fourth conveyor is arranged between the stirrer and the packaging machine and used for conveying materials from the stirrer to the packaging machine;
further, a temporary storage bin is arranged at the upper end of the stirrer, two discharge holes are formed in the lower end of the temporary storage bin, the two discharge holes are a first discharge hole and a second discharge hole respectively, a bulk machine is arranged at the first discharge hole, and the second discharge hole is connected with a fourth conveyor;
further, the first conveyor and the third conveyor are belt conveyors, the dryer is a three-drum dryer, the dryer comprises a gas-coal dual-purpose burner arranged on the side face, the screening machine is a rotary screening machine, the first elevator, the second elevator and the third elevator are bucket elevators, and the second conveyor and the fourth conveyor are screw conveyors;
furthermore, dust collectors are arranged on the dryer and the powder selector;
further, arch breaking devices are arranged at the positions of the dry sand bin and the sand weighing hopper.
The utility model has the technical effects and advantages that:
the utility model discloses a drying and screening system of dredged sand, which relates to the technical field of dredging sand preparation systems and comprises a drying and screening mechanism for drying and screening the dredged sand and a powder selecting and temporary storage mechanism for selecting and temporarily storing the powder of the dredged sand, wherein the drying and screening mechanism comprises a raw material hopper, a first conveyor, a dryer and a screening machine; the powder selecting temporary storage mechanism comprises a powder selecting machine and a dry sand bin; the system also comprises a batching and packaging mechanism for proportioning and stirring the dredged sand, wherein the batching and packaging mechanism comprises a sand weighing hopper, a stirrer and a packaging machine; the utility model has simple structure and reasonable design, has the functions of drying, sieving, selecting powder, packaging and the like of the wet sand, not only realizes the efficient drying of the wet sand of the dredging sand, but also can effectively ensure the cleanliness degree of sand materials, and simultaneously can finish the batching and packaging of the finished dredging sand according to the granularity of the sand materials.
Drawings
FIG. 1 is a schematic diagram of the present utility model.
Fig. 2 is a schematic diagram of a drying and screening mechanism.
FIG. 3 is a schematic diagram of a powder selecting and temporary storing mechanism.
Fig. 4 is a schematic view of an ingredient packaging mechanism.
Reference numerals: 1. a drying and screening mechanism; 2. a powder selecting temporary storage mechanism; 3. a raw material hopper; 4. a first conveyor; 5. a dryer; 6. a sieving machine; 7. a feeding machine; 8. a first elevator; 9. a powder selecting machine; 10. a dry sand bin; 11. a second elevator; 12. a bulk machine; 13. a coarse sand bin; 14. fine sand bin; 15. a batching and packaging mechanism; 16. a deflection cone discharge hole; 17. a sand weighing hopper; 18. a stirrer; 19. packaging machine; 20. a second conveyor; 21. a third conveyor; 22. a third elevator; 23. a fourth conveyor; 24. temporary storage bin; 25. a first discharge hole; 26. a second discharge port; 27. gas-coal dual-purpose burner; 28. a dust remover; 29. an arch breaking device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The embodiment discloses a drying and screening system of dredging sand, which is used for drying and screening wet sand prepared by the dredging sand and comprises a drying and screening mechanism 1 for drying and screening the dredging sand and a powder selecting and temporary storage mechanism 2 for selecting and temporarily storing the powder of the dredging sand;
specifically, the drying and screening mechanism 1 sequentially comprises a raw material hopper 3, a first conveyor 4, a dryer 5 and a screening machine 6; the dredging sand wet sand is loaded into a raw material hopper 3 by a loader, a feeder 7 is arranged at the lower end of the raw material hopper 3, one end of a first conveyor 4 is positioned at the feeder 7, the other end of the first conveyor extends to a feeding hole of a dryer 5, the dredging sand wet sand is sent out from the raw material hopper 3 and is sent into the dryer 5 through the feeder 7 to be dried, the first conveyor 4 is a belt conveyor, the dryer 5 is a three-cylinder dryer, and the dredging sand wet sand can be dried and discharged in a rotating way; a first lifter 8 is arranged between the sieving machine 6 and the dryer 5, the dried dredged sand is discharged in a rotating way, and is conveyed to the sieving machine 6 through the first lifter 8, and is further sieved through the sieving machine 6, so that the purposes of removing impurities and cleaning sand materials are achieved, and the first lifter 8 is a bucket lifter;
the powder selecting temporary storage mechanism 2 sequentially comprises a powder selecting machine 9 and a dry sand bin 10; the second elevator 11 is arranged between the powder selector 9 and the sieving machine 6, the second elevator 11 is a bucket elevator and is used for conveying clean sand materials for sieving impurities to the powder selector 9, a bulk loader 12 is arranged at a discharge hole at the lower end of the dry sand bin 10 and is used for unloading and loading, in addition, the dry sand bin 10 is divided into a coarse sand bin 13 and a fine sand bin 14 according to the granularity of the stored dredging sand, and the dredging sand entering the powder selector 9 is subjected to powder selection through the powder selector 9 and is respectively injected into the coarse sand bin 13 and the fine sand bin 14 according to the granularity; at this time, drying, sieving (impurity removal) and storing (classified storing according to the size of the particle size) of the dredging sand wet sand are completed.
Example two
On the basis of the first embodiment, the embodiment discloses a drying and screening system of the dredging sand, the system also comprises an ingredient packaging mechanism 15 for proportioning and stirring the dredging sand to complete the ingredient and packaging of the finished dredging sand, and for this reason, the embodiment is provided with a deflection cone discharging hole 16 on the lower side surfaces of a coarse sand bin 13 and a fine sand bin 14;
the batching and packaging mechanism 15 comprises a sand weighing hopper 17, a stirrer 18 and a packaging machine 19 in sequence; a second conveyor 20 is arranged between the eccentric cone discharging hole 16 and the sand weighing hopper 17, the second conveyor 20 is a screw conveyor and is used for conveying sand materials (fine sand and coarse sand) in the dry sand bin 10 to the direction of the sand weighing hopper 17, according to the granularity proportioning condition of finished product dredging sand, fine sand and coarse sand with different granularities are input into the sand weighing hopper 17 at intervals through the second conveyor 20 so as to carry out weighing and proportioning control, then a third conveyor 21 and a third lifting machine 22 are sequentially arranged between the sand weighing hopper 17 and the stirrer 18, the third conveyor 21 and the third lifting machine 22 are respectively a belt conveyor and a bucket lifting machine, the fine sand and the coarse sand which finish weighing materials sequentially pass through the third conveyor 21 and the third lifting machine 22 and enter the stirrer 18, stirring and mixing are finished in the stirrer 18, finally, a fourth conveyor 23 is arranged between the stirrer 18 and the packaging machine 19, the finished product dredging sand materials which finish stirring and mixing are sent into the packaging machine 19 through the fourth conveyor 23, and quantitative packaging and warehousing are finished.
Example III
The embodiment discloses a stoving screening system of dredging sand, wherein, dryer 5 is including setting up in the dual-purpose combustor 27 of gas-coal of side for supply with the stoving and use hot-blast, and the upper end of agitator 18 has set up temporary storage bin 24, and its lower extreme is provided with two discharge gates, and two discharge gates are discharge gate 25 and No. two discharge gates 26 respectively, and wherein, discharge gate 25 department sets up bulk machine 12 for the unloading loading, and No. two discharge gates 26 are connected with fourth conveyer 23, are used for packagine machine 19 packing.
Example IV
The embodiment discloses a drying and screening system of dredging sand, wherein dust collectors 28 are arranged on a dryer 5 and a powder selector 9, and the dust collectors 28 can be cloth bag dust collectors so as to reduce dust in a working area and provide environmental protection for workers; in addition, arch breaking devices 29 are arranged at the positions of the dry sand bin 10 and the sand weighing hopper 17, and the arch breaking devices 29 can be pneumatic arch breaking devices so as to prevent sand from being arched and blocked, and the situation of unsmooth discharge occurs.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Standard parts used by the utility model can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The drying and screening system for the dredged sand is characterized by comprising a drying and screening mechanism (1) for drying and screening the dredged sand and a powder selecting and temporary storage mechanism (2) for selecting and temporarily storing powder of the dredged sand;
the drying and screening mechanism (1): the device comprises a raw material hopper (3), a first conveyor (4), a dryer (5) and a screening machine (6) in sequence; the lower end of the raw material hopper (3) is provided with a feeder (7), one end of the first conveyor (4) is positioned at the feeder (7), the other end of the first conveyor extends to a feed inlet of the dryer (5), and a first lifting machine (8) is arranged between the screening machine (6) and the dryer (5) and used for conveying materials from the dryer (5) to the screening machine (6);
the powder selecting temporary storage mechanism (2) comprises: comprises a powder selecting machine (9) and a dry sand bin (10) in sequence; a second lifting machine (11) is arranged between the powder selecting machine (9) and the screening machine (6) and used for conveying materials from the screening machine (6) to the powder selecting machine (9), a bulk loader (12) is arranged at a discharge hole at the lower end of the dry sand bin (10), and the dry sand bin (10) is divided into a coarse sand bin (13) and a fine sand bin (14) according to the stored granularity of the dredged sand.
2. The dredging sand drying and screening system according to claim 1, further comprising an ingredient packaging mechanism (15) for proportioning and stirring the dredging sand, wherein the lower sides of the coarse sand bin (13) and the fine sand bin (14) are provided with eccentric cone discharge holes (16);
the batching and packaging mechanism (15): the automatic sand weighing and packaging machine comprises a sand weighing hopper (17), a stirrer (18) and a packaging machine (19) in sequence, wherein a second conveyor (20) is arranged between a biased cone discharging hole (16) and the sand weighing hopper (17) and used for conveying materials from a dry sand bin (10) to the sand weighing hopper (17), a third conveyor (21) and a third lifting machine (22) are sequentially arranged between the sand weighing hopper (17) and the stirrer (18), the sand weighing hopper (17) conveys materials from the stirrer (18) to the stirrer (18) through the third conveyor (21) and the third lifting machine (22), and a fourth conveyor (23) is arranged between the stirrer (18) and the packaging machine (19) and used for conveying materials from the stirrer (18) to the packaging machine (19).
3. The dredging sand drying and screening system according to claim 2, wherein a temporary storage bin (24) is arranged at the upper end of the stirrer (18), two discharge holes are arranged at the lower end of the stirrer, the two discharge holes are a first discharge hole (25) and a second discharge hole (26) respectively, a bulk machine (12) is arranged at the first discharge hole (25), and the second discharge hole (26) is connected with a fourth conveyor (23).
4. A dredging sand drying and screening system according to claim 3, wherein the first conveyor (4) and the third conveyor (21) are belt conveyors, the dryer (5) is a three-drum dryer comprising a burner (27) for gas and coal arranged on the side, the screening machine (6) is a rotary screening machine, the first elevator (8), the second elevator (11) and the third elevator (22) are bucket elevators, and the second conveyor (20) and the fourth conveyor (23) are screw conveyors.
5. A dredging sand drying and screening system according to claim 3, characterized in that the dryer (5) and the powder concentrator (9) are provided with dust collectors (28).
6. A dredging sand drying and screening system according to claim 3, characterized in that the dry sand silo (10) and the sand weighing hopper (17) are provided with arch breaking means (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322088635.9U CN220387155U (en) | 2023-08-04 | 2023-08-04 | Drying and screening system for dredging sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322088635.9U CN220387155U (en) | 2023-08-04 | 2023-08-04 | Drying and screening system for dredging sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220387155U true CN220387155U (en) | 2024-01-26 |
Family
ID=89604718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322088635.9U Active CN220387155U (en) | 2023-08-04 | 2023-08-04 | Drying and screening system for dredging sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220387155U (en) |
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2023
- 2023-08-04 CN CN202322088635.9U patent/CN220387155U/en active Active
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