CN210304018U - River channel grit is gathered and system of processing - Google Patents
River channel grit is gathered and system of processing Download PDFInfo
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- CN210304018U CN210304018U CN201920931769.3U CN201920931769U CN210304018U CN 210304018 U CN210304018 U CN 210304018U CN 201920931769 U CN201920931769 U CN 201920931769U CN 210304018 U CN210304018 U CN 210304018U
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- 239000004576 sand Substances 0.000 claims abstract description 154
- 238000005065 mining Methods 0.000 claims abstract description 19
- 238000012216 screening Methods 0.000 claims description 46
- 239000002245 particle Substances 0.000 claims description 36
- 239000004575 stone Substances 0.000 claims description 36
- 238000003860 storage Methods 0.000 claims description 13
- 238000009412 basement excavation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model relates to a river course grit is gathered and system of processing, include: the movable mining and excavating collection equipment is used for completing mining and excavating of the sandstone in a moving way and collecting the mined sandstone; a stationary conveyor disposed behind the mobile mining collection device for transporting the sand collected by the mobile mining collection device to a centralized processing facility; a centralized processing facility disposed behind the fixed conveyance facility for centralized processing of the collected sand; the movable excavating and collecting equipment comprises one or more excavating devices and telescopic conveying devices with adjustable lengths, wherein the excavating devices are used for excavating sandstone, and the telescopic conveying devices are used for collecting the sandstone excavated by the excavating devices and conveying the sandstone to the fixed conveying equipment.
Description
Technical Field
The utility model relates to a river course grit is gathered and system of processing.
Background
The river course is an important component in a natural water system, plays a crucial role in aspects of flood control, waterlogging drainage, tourism, navigation and the like, and can deposit a large amount of silt, sand and stones and impurities along with the passage of time in the operation process of the river course to influence the normal use of the river course. Part of northern river channels are located at the edge of mountainous areas and are formed under the action of flood rushing, and except in the period of heavy rain flood running, the river channels are always anhydrous. The river course river bottom is uneven, the sandstone and loess are exposed, vegetation is lost, and the great sand and dust are easily caused, so that the air quality is influenced. In addition, the sandstone and loess in the river channel are accumulated, the flood-carrying capacity is insufficient, and the flood is easy to break when meeting flood, so that the safety of farmland and forest lands along two sides of the river is threatened. Therefore, the dredging operation of the river channel is very important.
Various physical and mechanical indexes of the sandstone in the river channel meet the technical specification and related regulation requirements of concrete engineering aggregate, and coarse sand, fine sand and broken stone are processed by utilizing the desilting sandstone in the river channel, so that the sandstone can be used as an ideal building material. On one hand, the sand and stone for dredging the river channel can be used as much as possible, so that the comprehensive utilization of the resource is realized, on the other hand, the difficult problems of land occupation and environment pollution caused by sand and stone accumulation in the dredging process of the river channel are thoroughly solved, and the speed of dredging engineering is accelerated.
The existing river channel sand and stone collection technology generally adopts a mode of transporting sand and stone by a dump truck after excavation. Along with the extension of the dredging of the river channel, the sand and stone mining and excavating amount is very large, if the dredging of the river channel is carried outThe wide band of the river channel in the industrial area is 80m, the dredging operation extends and excavates 1500m towards the upstream and downstream of the river channel respectively, and the sandstone deposit of the river channel is calculated according to 2m, 480000m is excavated3Sand and stone of (1); a large amount of excavated sand needs to be transported to a sand treatment yard for proper treatment, the transportation amount is quite remarkable, and if a 12.5-ton dump truck is adopted to undertake the transportation task, 100 dump trucks need to reciprocate 480 times, and the vehicles frequently reciprocate. However, even if there are motor vehicle traffic lanes on both sides of the river, many lanes are narrow and crude, and it is not allowed to transport a large number of trucks to and from the river at the same time, and if only 1 dump truck is used for transportation, 48000 times of round trip is required. On the other hand, such a large amount of sand needs to occupy a large area of land even if it is stockpiled for a short time in a sand stockpile, and if the sand stockpile is 2m high, a site of 19 standard football fields is required for preliminary estimation. Therefore, the existing sandstone collection technology has the problems of large transportation capacity, frequent back-and-forth operation of transportation vehicles and large land occupation of storage yards. Moreover, flying sand and flying dust are easy to cause and the environment is polluted during vehicle transportation and naked storage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a river course grit is gathered and system of processing, its above-mentioned a great deal of not enough and defect that can overcome among the prior art realizes the collection and the comprehensive utilization on the spot of river course grit.
Above-mentioned purpose is through according to the utility model discloses a river course grit is gathered and system of processing realizes, river course grit is gathered and system of processing, include:
the movable mining and excavating collection equipment is used for completing mining and excavating of the sandstone in a moving way and collecting the mined sandstone;
a stationary conveyor disposed behind the mobile mining collection device for transporting the sand collected by the mobile mining collection device to a centralized processing facility;
a centralized processing facility disposed behind the fixed conveyance facility for centralized processing of the collected sand;
the movable excavating and collecting equipment comprises one or more excavating devices and telescopic conveying devices with adjustable lengths, wherein the excavating devices are used for excavating sandstone, and the telescopic conveying devices are used for collecting the sandstone excavated by the excavating devices and conveying the sandstone to the fixed conveying equipment.
Through the portable equipment of digging, fixed conveying equipment, centralized processing equipment are adopted with system of processing to river course grit collection and whole set of system divide into a plurality of operation districts, promptly, portable river course grit is dug and is collected the operation district, temporary fixation carries the operation district, and centralized grit utilizes function operation district such as processing operation district, constitutes the river course grit and digs, transports, processing and utilizes the integrated system that combines organically, can realize that the two-way extension of river course grit upper and lower reaches is excavated simultaneously, swiftly gather the transportation, process on the spot and utilize.
According to the utility model discloses a preferred embodiment, the collecting device is dug in portable adoption still includes coarse crushing device, is used for right the grit that excavating device adopted to dig carries out coarse crushing, coarse crushing device arranges excavating device with between the telescopic conveyor.
The size of the discharge opening of the coarse crushing device determines the particle size of the sand to be transported after coarse crushing. Preferably, the discharge opening of the coarse crushing device is adjusted in the range between 16mm and 31.5mm, so that coarse sand which is easy to transport, in particular, is easy to transport by a belt, is obtained. Preferably, the coarse crushing may be a jaw crusher. The jaw crusher is provided with a fixed jaw plate fixed on a crusher body and a movable jaw plate capable of reciprocating relative to the fixed jaw plate, and the fixed jaw plate and the movable jaw plate form a crushing cavity for coarsely crushing the gravel. The size of the discharge opening of the jaw crusher may be adjusted, for example, by one or more of shim plate, wedge block and hydraulic cylinder type adjustments. The back and forth position of the movable jaw plate is adjusted by adjusting the back and forth position of the movable jaw plate, for example, by increasing or decreasing the number of back plates located at one side of the movable jaw plate, thereby changing the size of the discharge opening. The wedge-shaped block type adjusting mode is that the relative positions of two wedge-shaped blocks on one side of the movable jaw plate are changed, so that the total thickness of the wedge-shaped block pair is changed, the front position and the rear position of the movable jaw plate are adjusted, and the size of the discharge opening is changed. The hydraulic cylinder type adjusting mode is that the front position and the rear position of the movable jaw plate are adjusted through the piston movement of a hydraulic cylinder arranged on one side of the movable jaw plate, so that the size of the discharge opening is changed.
According to a preferred embodiment of the invention, the telescopic conveyor has a lifting device at its end for adjusting the height of the end. From this, can realize the slope transportation of river course grit according to the operating mode.
According to a preferred embodiment of the present invention, the telescopic conveyor is a telescopic belt conveyor having a telescopic mechanism and a belt storage device which enable the extension or shortening of the body of the telescopic belt conveyor. Through the flexible belt conveyor can fine adaptation grit desilting operation point along the operating mode that the river course extends the removal, the operating efficiency is high, and is simple and convenient just to remove in a flexible way. Preferably, a plurality of telescopic belt conveyors connected in series can be arranged according to the requirement of conveying distance.
According to the utility model discloses a preferred embodiment, fixed conveying equipment include fixed belt conveyor, arrange in aggregate bin after the fixed belt conveyor and be located the conveyer under the storehouse of aggregate bin below, aggregate bin is right by the grit that fixed belt conveyor carried is carried carries out the buffer memory, under the storehouse conveyer will by the grit of aggregate bin buffer memory is carried extremely centralized processing equipment. Compare in flexible belt conveyor, fixed belt conveyor is more applicable to long distance transport, is convenient for carry the grit to the region at the concentrated processing equipment place far away from the river course.
According to the utility model discloses a preferred embodiment, centralized processing equipment is including arranging in proper order: the primary crusher is used for carrying out medium crushing on the sandstone, wherein the discharge particle size of the primary crusher is adjusted between 10 and 16 mm; the primary screening machine is used for screening the crushed sand and stone, and screening out sand and stone with the grain size of 10-16mm and sand and stone with the grain size of less than 10 mm; the secondary crusher is used for finely crushing sandstone with the particle size less than 10mm, wherein the discharge particle size of the secondary crusher is adjusted between 2 mm and 10 mm; and the secondary screening machine is used for screening the crushed sand and stone, and screening the sand and stone with the particle size of 5-10mm and the sand and stone with the particle size of less than 5 mm.
According to the utility model discloses a preferred embodiment, centralized processing equipment is still including being located comprehensive screening machine after the second grade screening machine is used for right the grit of the particle diameter < 5mm that the second grade screening machine was sieved is screened, selects the sand material of different fineness modulus respectively.
According to the utility model discloses a preferred embodiment, coarse sand, middlings and fine sand are selected to comprehensive screening machine, the fineness modulus of coarse sand is 3.7-3.1, the fineness modulus of middlings is 3.0-2.3, the fineness modulus of fine sand is 2.2-1.6.
According to a preferred embodiment of the present invention, wherein:
the mobile mining and collecting device comprises: wheeled or tracked excavation means for excavating and scooping sand; the coarse crushing device is used for coarsely crushing the gravel excavated and shoveled by the excavating device, the coarse crushing device is a jaw crusher, the jaw crusher is provided with a crushing cavity formed by a movable jaw plate and a fixed jaw plate, and the relative position of the movable jaw plate and the fixed jaw plate can be adjusted through one or more of adjusting modes of a backing plate type, a wedge block type and a hydraulic oil cylinder type; a telescopic conveying device which is arranged behind the coarse crushing device, has adjustable length and is used for collecting the coarsely crushed sand from the coarse crushing device and transferring the coarsely crushed sand, wherein the telescopic conveying device is a telescopic belt type conveying device, and a plurality of telescopic conveying devices which are connected in parallel or in series are arranged;
the fixed conveying equipment comprises the following components arranged in sequence: the fixed belt type conveying device is used for conveying the coarsely crushed sand conveyed by the telescopic belt type device to a material collecting point; the aggregate bin is arranged at the aggregate point and is used for collecting the sand conveyed by the fixed belt type conveying device; the under-bin conveyor is arranged below the aggregate bin and is used for conveying the sand and stone collected in the aggregate bin to the centralized processing equipment;
the centralized processing equipment comprises the following components arranged in sequence: a storage bin; another bin lower conveyor located below the storage bin; the primary crusher is a cone crusher or a counterattack crusher and is used for performing medium crushing on the sandstone, and the grain size of discharged materials is adjusted to be 10-16 mm; the primary screening machine is positioned behind the primary crusher and used for screening the crushed sand and stone, and separating the sand and stone with the particle size larger than 10mm and the sand and stone with the particle size smaller than 10mm, wherein the sand and stone with the particle size larger than 10mm enter the first storage bin; the secondary crusher is positioned behind the primary sieving machine, is a rod grinding machine or a vertical shaft impact crusher and is used for finely crushing sandstone with the particle size less than 10mm, and the discharged particle size is adjusted between 2 mm and 10 mm; the secondary screening machine is positioned behind the secondary crusher and used for screening the crushed sand and stone, and separating the sand and stone with the particle size larger than 5mm and the sand and stone with the particle size smaller than 5mm, wherein the sand and stone with the particle size larger than 5mm enter the second storage bin; and the comprehensive screening machine is positioned behind the secondary screening machine and used for comprehensively screening the sand and stone with the particle size smaller than 5mm screened by the secondary screening machine to respectively screen coarse sand, medium sand and fine sand, and the coarse sand, the medium sand and the fine sand are respectively sent into the coarse sand bin, the medium sand bin and the fine sand bin.
Through the utility model discloses a river course grit is gathered and system of processing can realize that the river course grit is gathered and comprehensive utilization on the spot, and production efficiency is high, and the energy consumption is low, and social and economic benefits is showing. Meanwhile, the transportation amount of a large amount of sand and stones which are frequently transported by a truck is avoided, the pollution of sand and dust to the environment in the transportation process is reduced, the sand and stones are prevented from occupying a large amount of land resources in a transportation yard, and the utilization efficiency of river beach land is improved. In addition, the sand and stone with different grain size grades can be obtained, which meets the requirements of different construction projects, and the quality of the sand and stone is high and stable.
Drawings
The following, combine the figure detailed description according to the utility model discloses a river course grit is gathered and system of processing. In the drawings:
figure 1 schematically illustrates a river sand collection and processing system according to a preferred embodiment of the present invention;
fig. 2 schematically shows a river sand collecting and processing system according to another preferred embodiment of the present invention.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the embodiments and, together with the description, serve to explain the exemplary implementations of the embodiments. The illustrated embodiments are for purposes of illustration only and do not limit the scope of the claims. Throughout the drawings, the same reference numbers refer to the same elements or to similar, but not necessarily identical elements.
Detailed Description
In the present disclosure, unless otherwise specified, the use of the terms "first", "second", etc. to describe various elements is not intended to limit the positional relationship, the timing relationship, or the importance relationship of the elements, and such terms are used only to distinguish one element from another. In some examples, a first element and a second element may refer to the same instance of the element, and in some cases, based on the context, they may also refer to different instances.
The terminology used in the description of the various described examples in this disclosure is for the purpose of describing particular examples only and is not intended to be limiting. Unless the context clearly indicates otherwise, if the number of elements is not specifically limited, the elements may be one or more. Furthermore, the term "and/or" as used in this disclosure is intended to encompass any and all possible combinations of the listed items.
Fig. 1 schematically shows according to the utility model discloses a river course grit is gathered and system of processing of preferred embodiment. River course grit is gathered and system of processing includes:
the mobile excavating and collecting device 10 is used for completing the excavation of the sandstone in a mobile way and collecting the excavated sandstone;
a stationary conveyor apparatus 20 disposed behind the mobile mining collection apparatus 10 for transporting the sand collected by the mobile mining collection apparatus 10 to a centralized processing apparatus 30;
a centralized processing device 30 arranged after the stationary conveyor device 20 for centralized processing of the collected sand.
The mobile mining collection device 10 includes one or more excavation devices 100 (e.g., wheeled or tracked excavators) and a length adjustable telescoping conveyor 120, the excavation devices 100 are used to mine sand and shovel the sand to the telescoping conveyor 120, and the telescoping conveyor 120 collects the sand mined by the excavation devices and transports it to the fixed conveyor 20.
Through the portable equipment 10 of digging, fixed conveying equipment 20, the centralized processing equipment 30 of digging of riverway grit collection and processing system divide into a plurality of operation areas with whole set of system, promptly, portable riverway grit is dug and is dug collection operation area, interim fixed transport operation area, centralized grit utilize function operation areas such as processing operation area, constitute the integrated system that riverway grit was dug, transported, processing utilized organic combination, can realize the swift collection of riverway grit and transport and process the utilization on the spot.
Fig. 2 schematically shows a river sand collecting and processing system according to another preferred embodiment of the present invention. The river channel gravel collecting and processing system comprises a movable type excavating and collecting device 10, a fixed type conveying device 20 and a centralized processing device 30.
The mobile mining collection device 10 includes: a wheel-type or crawler-type excavating device 100 for excavating and scooping sand; a rough crushing device 110 for roughly crushing the sand excavated and carried by the excavating device, such as a jaw crusher; a telescopic conveyor 120, for example a telescopic belt conveyor, such as a telescopic belt conveyor, is arranged downstream of the coarse crushing device 110 and is adjustable in length for collecting the coarsely crushed sand from the coarse crushing device 110 and transporting it.
The fixed conveyor 20 comprises, arranged in succession: a fixed belt conveyor 210, such as a fixed belt conveyor, for conveying the coarsely crushed sand conveyed by the telescopic belt conveyor to a collection point; a collecting bin 220 at the collecting point for collecting the sand conveyed by the fixed belt conveyor 210; an under-bin conveyor 230, such as a belt conveyor, below the collection bin 220 is used to convey the sand collected in the collection bin to the centralized processing facility 30.
The centralized processing plant 30 comprises, arranged in succession: a storage bin 310; another lower bin conveyor 311 (e.g., a belt conveyor) located below the storage bin 310; a primary crusher 320, such as a cone crusher or a counterattack crusher, for performing medium crushing on the sand, wherein the grain size of the discharged material is adjusted between 10 and 16 mm; the primary screening machine 330 is positioned behind the primary crusher 320 and is used for screening the crushed sand, and separating the sand with the particle size larger than 10mm and the sand with the particle size smaller than 10mm, wherein the sand with the particle size larger than 10mm enters the first storage bin 340; a secondary crusher 350, such as a rod mill or a vertical shaft impact crusher, located behind the primary sieving machine 330, for finely crushing sand with a particle size of less than 10mm, and adjusting the particle size of the discharged material to 2-10 mm; a secondary screening machine 360 positioned behind the secondary crusher 350 and used for screening the crushed sand, and separating the sand with the particle size larger than 5mm and the sand with the particle size smaller than 5mm, wherein the sand with the particle size larger than 5mm enters a second storage bin 370; and the comprehensive screening machine 380 is positioned behind the secondary screening machine 360 and is used for comprehensively screening the sand and stone with the particle size smaller than 5mm screened by the secondary screening machine 360 to respectively screen coarse sand, medium sand and fine sand, wherein the fineness modulus of the coarse sand is 3.7-3.1, the fineness modulus of the medium sand is 3.0-2.3, and the fineness modulus of the fine sand is 2.2-1.6. The coarse sand, the medium sand, and the fine sand are sent to a coarse sand silo 390, a medium sand silo 391, and a fine sand silo 392, respectively.
The embodiments according to the present invention described above are merely exemplary, and the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to include such changes and modifications within the scope of the invention.
Claims (10)
1. A river sand collection and processing system, comprising:
the mobile mining and collecting equipment (10) is used for completing mining and digging of the sandstone in a mobile way and collecting the mined sandstone;
a stationary conveyor apparatus (20) arranged behind the mobile mining collection apparatus (10) for transporting sand collected by the mobile mining collection apparatus (10) to a centralized processing apparatus (30);
a centralized processing device (30) arranged after the stationary conveying device (20) for centralized processing of the collected sand;
the mobile excavating and collecting equipment (10) comprises one or more excavating devices (100) and telescopic conveying devices (120) with adjustable lengths, the excavating devices (100) are used for excavating sand, and the telescopic conveying devices (120) collect the sand excavated by the excavating devices (100) and convey the sand to the fixed conveying equipment (20).
2. A riverway sand collection and processing system according to claim 1, wherein the mobile excavation collection apparatus (10) further comprises a coarse crushing device (110) for coarse crushing of sand excavated by the excavation device, wherein the coarse crushing device (110) is arranged between the excavation device (100) and the telescopic conveyor (120).
3. The riverway sand collection and processing system of claim 2 wherein the discharge opening of the coarse crushing device (110) is adjusted in a range between 16mm and 31.5 mm.
4. The riverway sand collection and processing system of claim 1 wherein the telescoping conveyor (120) has a lifting device at an end thereof for adjusting the height of the end.
5. The riverway sand collection and processing system according to any one of claims 1 to 4, wherein the telescopic conveyor (120) is a telescopic belt conveyor having a telescopic mechanism and a belt storage device that can extend or shorten the body of the telescopic belt conveyor.
6. River sand collection and processing system according to any one of claims 1-4, characterized in that the stationary conveyor device (20) comprises a stationary belt conveyor (210), a collection bin (220) arranged behind the stationary belt conveyor (210), and an under-bin conveyor (230) located below the collection bin (220), the collection bin (220) buffering sand delivered by the stationary belt conveyor (210), the under-bin conveyor (230) conveying sand buffered by the collection bin (220) to the centralized processing device (30).
7. A riverway sand collection and processing system according to any one of claims 1-4, wherein the centralized processing equipment (30) comprises, arranged in sequence:
the primary crusher (320) is used for carrying out medium crushing on the sand, wherein the discharge particle size of the primary crusher (320) is adjusted between 10mm and 16 mm;
the primary screening machine (330) is used for screening the crushed sand and stone, and screening out sand and stone with the grain size of 10-16mm and sand and stone with the grain size of less than 10 mm;
the secondary crusher (350) is used for finely crushing sandstone with the grain size less than 10mm, wherein the discharge grain size of the secondary crusher (350) is adjusted between 2 mm and 10 mm;
and the secondary screening machine (360) is used for screening the crushed sand and stone, and screening the sand and stone with the particle size of 5-10mm and the sand and stone with the particle size of less than 5 mm.
8. The riverway sand collection and processing system according to claim 7, wherein the centralized processing equipment further comprises a comprehensive screening machine (380) located behind the secondary screening machine (360) and used for screening sand with a particle size of less than 5mm screened by the secondary screening machine (360) and respectively screening sand materials with different fineness modulus.
9. The riverway sand collection and processing system according to claim 8, wherein the comprehensive screening machine (380) screens coarse sand, medium sand and fine sand, the fineness modulus of the coarse sand is 3.7-3.1, the fineness modulus of the medium sand is 3.0-2.3, and the fineness modulus of the fine sand is 2.2-1.6.
10. The riverway sand collection and processing system of claim 1,
the mobile mining collection device (10) comprises:
-one or more wheeled or tracked excavating devices (100) for excavating and scooping sand;
-a coarse crushing device (110) for coarse crushing of the sand excavated and shoveled by the excavating device (100), the coarse crushing device (110) being a jaw crusher having a crushing chamber formed by a movable jaw plate and a fixed jaw plate, the relative position of the movable jaw plate and the fixed jaw plate being adjustable by one or more of a shim plate type, wedge block type, hydraulic oil cylinder type adjustment;
-a telescopic conveyor (120) arranged after the coarse crushing device (110) and adjustable in length for collecting and transporting coarse crushed sand from the coarse crushing device (110), the telescopic conveyor (120) being a telescopic belt conveyor, wherein a plurality of telescopic conveyors are provided in parallel or in series;
the stationary conveyor apparatus (20) comprises, arranged in sequence:
-a fixed belt conveyor (210) for conveying coarse crushed sand carried by the telescopic conveyor (120) to a collection point;
-a collection bin (220) at the collection point for collecting sand conveyed by the fixed belt conveyor (210);
-an under-bin conveyor (230) below the collection bin (220) for conveying sand collected in the collection bin (220) to the centralized processing plant (30);
the centralized processing plant (30) comprises, arranged in series:
-a storage bin (310);
-a further lower silo conveyor (311) located below the silo (310);
-a primary crusher (320), said primary crusher (320) being a cone crusher or a counterattack crusher for medium crushing of sand, the particle size of the discharge being adjusted between 10-16 mm;
-a primary screening machine (330) located after the primary crusher (320) for screening the crushed sand to separate sand having a particle size of > 10mm and sand having a particle size of < 10mm, wherein the sand having a particle size of > 10mm enters the first bin (340);
-a secondary crusher (350) located after the primary sizer (330), the secondary crusher (350) being a pin mill or a vertical shaft impact crusher for finely crushing sand with a particle size of < 10mm, the discharge particle size being adjusted between 2 and 10 mm;
-a secondary screening machine (360) located after the secondary crusher (350) for screening the finely crushed sand to separate stones > 5mm in size and sand < 5mm in size, wherein the sand > 5mm in size enters a second bin (370);
-a comprehensive screening machine (380) located after the secondary screening machine (360) for comprehensively screening sand having a particle size of < 5mm screened by the secondary screening machine (360) for coarse sand, medium sand and fine sand, respectively, which are fed into a coarse sand silo (390), a medium sand silo (391) and a fine sand silo (392), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931769.3U CN210304018U (en) | 2019-06-19 | 2019-06-19 | River channel grit is gathered and system of processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931769.3U CN210304018U (en) | 2019-06-19 | 2019-06-19 | River channel grit is gathered and system of processing |
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| Publication Number | Publication Date |
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| CN210304018U true CN210304018U (en) | 2020-04-14 |
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| CN201920931769.3U Expired - Fee Related CN210304018U (en) | 2019-06-19 | 2019-06-19 | River channel grit is gathered and system of processing |
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Address after: 100080 room 706, 1 + 1 building, 10 caihefang Road, Haidian District, Beijing Patentee after: Everbright Cleaning Technology Co.,Ltd. Address before: 100080 room 706, 1 + 1 building, 10 caihefang Road, Haidian District, Beijing Patentee before: BEIJING ZHONGKUANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |