CN115162442B - Sediment sucking, conveying and sand washing method - Google Patents
Sediment sucking, conveying and sand washing method Download PDFInfo
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- CN115162442B CN115162442B CN202210929366.1A CN202210929366A CN115162442B CN 115162442 B CN115162442 B CN 115162442B CN 202210929366 A CN202210929366 A CN 202210929366A CN 115162442 B CN115162442 B CN 115162442B
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- 239000004576 sand Substances 0.000 title claims abstract description 171
- 239000013049 sediment Substances 0.000 title claims abstract description 112
- 238000005406 washing Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 73
- 239000003638 chemical reducing agent Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 244000035744 Hura crepitans Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/907—Measuring or control devices, e.g. control units, detection means or sensors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
- E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/005—Equipment for conveying or separating excavated material conveying material from the underwater bottom
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
- E02F7/023—Conveying equipment mounted on a dredger mounted on a floating dredger
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/04—Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
- E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/10—Pipelines for conveying excavated materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The sediment sucking, conveying and sand washing method specifically comprises the following steps: firstly, arranging a river bottom sediment sucking and conveying system on a yellow river, and arranging a bucket wheel type sediment washing machine on the bank side of the yellow river; secondly, sucking sediment in a yellow river target working area by using a river bottom sediment sucking and conveying system, and conveying the sediment into a bucket wheel type sediment washing machine; and thirdly, cleaning the sediment by a bucket wheel type sand cleaning machine to obtain qualified sand, and conveying the cleaned sand to a designated place for drying and stacking. The invention has scientific design, can realize sand pumping and sand washing, reasonably develops sediment resources, saves energy, protects environment and is beneficial to the industrialization of the sediment resources.
Description
Technical Field
The invention belongs to the technical field of yellow river environmental ecology treatment and resource utilization, and particularly relates to a sediment sucking, conveying and sand washing method.
Background
The yellow river sediment is positioned at an important position in the national yellow river treatment, the yellow river flows through the sandy soil brought by the loess plateau, along with the reduction of water flow, the water potential flowing through the downstream is reduced, and a large amount of sediment is deposited on the riverbed due to the action of gravity, so that the riverbed is continuously lifted, even an overground suspended river is formed, the environment on two sides of the yellow river is greatly influenced, and the reduction of sediment accumulation in the downstream river section is more important. However, it should be seen that the sediment is a substance, and has dual properties, the harmful side is a sediment disaster, and the beneficial side is called sediment resource, wherein the construction industry needs to consume a large amount of building materials, especially the demand for sediment is increasing, so if the sediment in the downstream river reach can be fully utilized by changing waste into valuables, the comprehensive utilization of the sediment resource is developed as an industry, and the industry will have huge economic benefit, ecological benefit and social benefit. Therefore, it is necessary to study a sediment suction and transportation and a sediment washing method.
Disclosure of Invention
The invention aims to provide a sediment sucking, conveying and sand washing method, which is scientific in design, can realize sediment sucking and sand washing, reasonably develop sediment resources, is energy-saving and environment-friendly, and is beneficial to sediment resource industrialization.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the sediment sucking, conveying and sand washing method specifically comprises the following steps:
firstly, arranging a river bottom sediment sucking and conveying system on a yellow river, and arranging a bucket wheel type sediment washing machine on the bank side of the yellow river;
Secondly, sucking sediment in a yellow river target working area by using a river bottom sediment sucking and conveying system, and conveying the sediment into a bucket wheel type sediment washing machine;
And thirdly, cleaning the sediment by a bucket wheel type sand cleaning machine to obtain qualified sand, and conveying the cleaned sand to a designated place for drying and stacking.
The river bottom sediment sucking and conveying system comprises a ship body, a stirring type sediment sucking device, a winch, a first support, a sediment sucking pump, a power device and a sediment discharge pipeline assembly, wherein the first support, the winch, the sediment sucking pump and the power device are all arranged on the ship body, the first support is arranged at the middle position of the front side of the ship body and extends forwards, the winch is positioned at the rear side of the first support, an inlet of the sediment sucking pump is connected with the stirring type sediment sucking device through a forwards extending sediment sucking pipe, an outlet of the sediment sucking pump is connected with the backwards extending sediment discharge pipeline assembly, a guide pulley assembly is arranged on the first support, a steel wire rope of the winch is connected with the stirring type sediment sucking device through the guide pulley assembly, and the power device provides power for the winch, the sediment sucking pump and the stirring type sediment sucking device.
The stirring type sand sucking device comprises a sealing barrel which is vertically arranged, three hanging rings which are distributed at the vertex of a regular triangle are arranged at the top of the sealing barrel, a steel wire rope is correspondingly connected with one hanging ring through three connecting ropes, a sand guiding pipe is vertically arranged at the center of the sealing barrel, an upper port and a lower port of the sand guiding pipe extend out of the upper end face and the lower end face of the sealing barrel respectively, an inlet end of the sand sucking pipe is fixedly connected with the upper end of the sand guiding pipe, two stirring motor speed reducers are symmetrically arranged in the sealing barrel in a central symmetry mode, an output shaft of each stirring motor speed reducer is parallel to the central line of the sealing barrel, a stirring shaft is coaxially connected to the lower end of the output shaft of each stirring motor speed reducer through a shaft coupling, and reamer type stirring wheels are arranged at the lower end of the stirring shaft.
The reamer type stirring wheel comprises a circular ring, a central cylinder and six cutter arms, wherein the inner circle of the circular ring is fixedly connected with the outer circle of the upper part of the central cylinder through at least three radially arranged spokes, the six cutter arms are uniformly arranged along the circumferential direction of the central cylinder, the lower end of each cutter arm is fixedly connected with the outer circle of the lower part of the central cylinder, the upper end of each cutter arm is fixedly connected with the bottom surface of the circular ring, each cutter arm is in a three-dimensional spiral shape, arc-shaped connecting ribs are arranged between every two adjacent cutter arms, the lower end of a stirring shaft stretches into the central cylinder and is in transmission connection with the central cylinder through a flat key, the lower end of the stirring shaft is a step shaft with the upper part thick and the lower part thin, the step part of the step shaft is propped up, and a nut in compression joint with the lower end of the central cylinder is in threaded connection with the lower end of the stirring shaft;
The sand discharge pipeline assembly comprises a sand discharge pipe and a plurality of buoys, wherein the buoys are sleeved on the outer circle of the sand discharge pipe at intervals, the buoys float on the water surface and suspend the whole sand discharge pipe under water for a certain depth, and the outlet of the sand discharge pipe extends into the bucket wheel type sand washer;
The power device comprises a diesel engine, a generator and a storage battery pack, wherein the diesel engine provides advancing power for the ship body, the diesel engine simultaneously provides power for the winch and the sand sucking pump, the diesel engine drives the generator to charge the storage battery pack, and the storage battery pack provides electric energy for the stirring type sand sucking device.
The utility model provides a wheel bucket type sand washer, including the open sand washer in top, the impeller shaft, a plurality of impeller, three-phase asynchronous motor and second reduction gear, the impeller shaft sets up along controlling the direction level, the upper port left side of sand washer and right side middle part all fixed mounting have the bearing frame, the both ends of impeller shaft rotate respectively and install on two bearing frames, each impeller sets up side by side and fixed connection together about, each impeller concentric sleeve is fixed on the impeller shaft and is rotated in the sand washer, the fixed second support that is provided with in the right side of sand washer, three-phase asynchronous motor fixed mounting is in the downside of second support, two-phase reduction gear fixed mounting is at the top of second support, three-phase asynchronous motor's power shaft passes through the power input shaft of belt drive mechanism transmission connection second reduction gear, the power output shaft of second reduction gear passes through the chain drive mechanism transmission and connects the right-hand member of impeller shaft and drive impeller shaft anticlockwise rotation, the upper port front side fixed mounting of sand washer has the front low back tilt setting and is located the discharge hopper of the front side below of each impeller, be equipped with a plurality of circumference setting up and inside and outside the overflow bowl, the left side face of sand washer is equipped with the overflow mouth of two side face of the overflow bowl of each side of sand washer, the overflow mouth of two side of side face of sand washer is set up on the bottom of two side of sand washer and side of the sand washer is fixed at the bottom of the side of the bottom of the sand scraper.
The two circular wheel plates are fixedly connected with a plurality of circular array-arranged radials between the inner circle of the circular wheel plates and the outer circle of the fixed circular plate, the shovel plates on the upper side are arranged in a front-high and rear-low inclined manner, the upper side edge of the shovel plate on the upper side is aligned with the groove top of the arc-shaped groove on the upper side, a shovel groove is formed between two adjacent shovel plates and two circular wheel plates, and a pipe shaft is fixedly connected between the centers of the two fixed circular plates;
Adjacent round ring wheel plates of two adjacent impellers are in close contact, adjacent fixed circular plates of two adjacent impellers are fixedly connected through a plurality of fastening bolts, tube shafts of four impellers are concentrically sleeved on the impeller shafts, flange plates are fixedly sleeved on the left side part and the right side part of the impeller shafts, the flange plate on the left side is positioned on the left side of the leftmost impeller and is fixedly connected with the left fixed circular plate of the leftmost impeller, and the flange plate on the right side is positioned on the right side of the rightmost impeller and is fixedly connected with the right fixed circular plate of the rightmost impeller.
The right end fixedly connected with square filter plate of overflow mouth, square filter plate pass through a plurality of screw fixed connection on the left surface of the left side board of sand washing case and cover the overflow mouth, the left end integrated into one piece fixedly connected with pipe of overflow mouth, fixedly sleeved connection has the drain pipe on the pipe.
The sand washing net structure comprises a mounting square frame, a screen and a locking square frame, wherein the size of the mounting square frame is the same as that of the groove bottom of the shovel groove, the mounting square frame is arranged at the groove bottom of the shovel groove and is fixedly connected with two adjacent shovel plates and two circular ring wheel plates respectively, a plurality of threaded holes are uniformly formed in one circle of the mounting square frame, the screen is of a square structure with a frame, a plurality of round holes which are in one-to-one correspondence with the threaded holes are uniformly formed in one circle of the frame of the screen, the frame of the screen is tightly pressed outside the mounting square frame, and the locking square frame is fixedly connected onto the mounting square frame through a plurality of fastening screws which penetrate through the round holes and are in threaded connection with the threaded holes.
The second step is specifically as follows: the ship body with the self-propulsion function can automatically advance to a target working area, after the ship body reaches the target working area, a stirring sand sucking device is firstly hung into the water through a winch, after the ship body is sunk to a preset depth, two stirring motor speed reducers and a sand sucking pump are started, the stirring motor speed reducers drive stirring shafts to rotate, the stirring shafts are rotationally connected with the lower end face of a sealing cylinder through bearings, a sealing device is adopted at a rotating connection position to seal the stirring shafts, the stirring shafts drive reamer-type stirring wheels at the lower end to rotate, sediment accumulated under water is stirred, mud mixture is formed through stirring and water, and under the action of high-force suction of the sand sucking pump, the mud mixture is continuously added into a sand washing box from the rear side part of the upper port of the sand washing box through a sand guiding pipe, a sand sucking pipe and a sand discharging pipe.
The step (III) is specifically as follows: the three-phase asynchronous motor is started, the three-phase asynchronous motor drives the two-stage speed reducer to rotate through the belt transmission mechanism, the two-stage speed reducer drives the impeller shaft to rotate through the chain transmission mechanism, the impeller shaft drives the four impellers to rotate slowly and anticlockwise, meanwhile, sediment and water are continuously added into the sand washing box from the rear side part of the upper port of the sand washing box, sand is continuously dug out from the bottom in the sand washing box and turned forwards and upwards through the shovel grooves of each impeller, rolling, grinding and collision are generated among the sand, impurities covered on the surface of the sand are removed, bubbles wrapped on the surface of the sand are damaged, the sand is slowly and uniformly discharged onto the discharge hopper forwards and downwards from the upper part of the front side of the impeller, the sand is conveyed to a specified place through the long-distance conveying belt forwards and downwards, and is dried and piled up, and waste water is discharged through the overflow mouth, the overflow mouth and the drain pipe.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly has the following beneficial effects:
The central cylinder of the reamer type stirring wheel in the river bottom sediment sucking and conveying system is fixedly connected with the stirring shaft, six three-dimensional spiral cutter arms are arranged between the central cylinder and the circular ring, the cutter arms rotate to lift sediment when rotating, the surfaces of the cutter arms are smooth and have a prismatic structure, the cutting capability is improved, and weeds at the water bottom can be cut off; the strength of the cutter arm can be improved due to the arrangement of the arc-shaped connecting ribs;
The guide pulley assembly comprises two fixed pulleys, one on the front side of the bracket and one on the rear side of the bracket;
The pontoon that the sand discharge pipeline subassembly adopted can provide buoyancy to the sand discharge pipe, makes the sand conveying passageway keep gentle transition, reduces the power consumption, and is energy-concerving and environment-protective.
The conventional cylindrical screen is changed into a plurality of independent screens by the wheel bucket type sand washing machine, if a certain screen is found to be damaged, the corresponding locking square frame is removed, so that the damaged screen can be conveniently and timely replaced, the maintenance is simple, the cost is low, and the screens with corresponding meshes can be replaced according to the sand with different granularity, so that the application range is wide; the support frame and wash sand box fixed connection, can produce the vibration when three-phase asynchronous motor rotates to can pass to the sand box through the support frame with the vibration, thereby the vibration of exciting the sand makes the mutual friction that produces between the sand, reaches better cleaning performance.
In conclusion, the invention has scientific design, can realize sand pumping and sand washing, reasonably develops the sediment resources, saves energy, protects environment and is beneficial to the industrialization of the sediment resources.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the river bottom sediment pumping and transporting system of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a bottom view of the reamer type stirring wheel in the river bottom sediment suction and transportation system of the present invention.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a right side view of the bucket wheel washer of the present invention.
Fig. 6 is a front view of the bucket wheel washer of the present invention.
Fig. 7 is a top view of the bucket wheel washer of the present invention.
Fig. 8 is a cross-sectional view of an impeller of the bucket washer of the present invention.
FIG. 9 is a right side view of the overflow spout of the bucket wheel washer of the present invention.
Fig. 10 is a schematic structural view of a sand washing net structure in the bucket wheel type sand washing machine of the present invention.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-10, a sediment pumping and conveying and sediment washing method specifically comprises the following steps:
firstly, arranging a river bottom sediment sucking and conveying system on a yellow river, and arranging a bucket wheel type sediment washing machine on the bank side of the yellow river;
Secondly, sucking sediment in a yellow river target working area by using a river bottom sediment sucking and conveying system, and conveying the sediment into a bucket wheel type sediment washing machine;
And thirdly, cleaning the sediment by a bucket wheel type sand cleaning machine to obtain qualified sand, and conveying the cleaned sand to a designated place for drying and stacking.
The river bottom sediment sucking and conveying system comprises a ship body 60, a stirring type sediment sucking device, a winch 61, a first support 62, a sediment sucking pump 63, a power device 64 and a sediment discharge pipeline assembly, wherein the first support 62, the winch 61, the sediment sucking pump 63 and the power device 64 are all arranged on the ship body 60, the first support 62 is arranged at the middle position of the front side of the ship body 60 and extends forwards, the winch 61 is positioned at the rear side of the first support 62, an inlet of the sediment sucking pump 63 is connected with the stirring type sediment sucking device through a sediment sucking pipe 65 extending forwards, an outlet of the sediment sucking pump 63 is connected with the sediment discharge pipeline assembly extending backwards, a guide pulley assembly is arranged on the first support 62, a steel wire rope of the winch 61 is connected with the stirring type sediment sucking device through the guide pulley assembly, and the power device 64 provides power for the winch 61, the sediment sucking pump 63 and the stirring type sediment sucking device.
The stirring type sand sucking device comprises a sealing barrel 66 which is vertically arranged, three hanging rings 67 which are distributed at the top of the sealing barrel 66 and are in regular triangle vertexes are arranged, a steel wire rope is correspondingly connected with one hanging ring 67 through three connecting ropes 68, a sand guiding pipe 69 is vertically arranged at the center of the sealing barrel 66, an upper port and a lower port of the sand guiding pipe 69 extend out of the upper end face and the lower end face of the sealing barrel 66 respectively, an inlet end of the sand sucking pipe 65 is fixedly connected with the upper end of the sand guiding pipe 69, two stirring motor speed reducers are symmetrically arranged in the center of the sealing barrel 66, an output shaft of each stirring motor speed reducer is parallel to the center line of the sealing barrel 66, a stirring shaft 70 is coaxially connected to the lower end of the output shaft of each stirring motor speed reducer through a coupler, and reamer type stirring wheels 71 are arranged at the lower end of each stirring shaft 70.
Reamer formula agitator 71 includes ring 72, central section of thick bamboo 73 and six cutter arms 74, the inside circle of ring 72 passes through the spoke fixed connection of at least three radial settings and central section of thick bamboo 73 upper portion excircle, six cutter arms 74 are evenly arranged along central section of thick bamboo 73 circumferencial direction, every cutter arm 74 lower extreme all fixed connection is at central section of thick bamboo 73 lower part excircle, every cutter arm 74 upper end all fixed connection is in ring 72 bottom surface, every cutter arm 74 all is three-dimensional spiral shape, be equipped with arc connecting rib 75 between two adjacent cutter arms 74, the (mixing) shaft 70 lower extreme stretches into central section of thick bamboo 73 and is connected through flat key transmission with central section of thick bamboo 73, the (mixing) shaft 70 lower extreme is thick step axle that goes up down, the step department roof pressure of central section of thick bamboo 73 lower extreme and step axle, (mixing) shaft 70 lower extreme threaded connection has the nut with central section of thick bamboo 73 lower extreme crimping.
The sand discharge pipeline assembly comprises a sand discharge pipe 76 and a plurality of buoys 77 sleeved on the outer circle of the sand discharge pipe 76 at intervals, wherein the buoys 77 float on the water surface and suspend the whole sand discharge pipe 76 under water for a certain depth, and the outlet of the sand discharge pipe 76 extends into the bucket wheel type sand washer;
The power device 64 comprises a diesel engine, a generator and a storage battery pack, wherein the diesel engine provides running power for the ship body 60, the diesel engine simultaneously provides power for the winch 61 and the sand sucking pump 63, the diesel engine drives the generator to charge the storage battery pack, and the storage battery pack provides electric energy for the stirring type sand sucking device.
The bucket wheel type sand washer comprises a sand washing box 78 with an open top, an impeller shaft 79, a plurality of impellers 80, a three-phase asynchronous motor 81 and a secondary speed reducer 82, wherein the impeller shaft 79 is horizontally arranged along the left-right direction, bearing seats 83 are fixedly arranged in the middle of the left side and the right side of the upper port of the sand washing box 78, two ends of the impeller shaft 79 are respectively and rotatably arranged on the two bearing seats 83, the impellers 80 are arranged side by side and fixedly connected together, the impellers 80 are concentrically sleeved and fixed on the impeller shaft 79 and are rotatably arranged in the sand washing box 78, a second bracket 84 is fixedly arranged on the right side of the sand washing box 78, the three-phase asynchronous motor 81 is fixedly arranged on the lower side part of the second bracket 84, the secondary speed reducer 82 is fixedly arranged on the top of the second bracket 84, the power shaft of the three-phase asynchronous motor 81 is in transmission connection with the power input shaft of the secondary speed reducer 82 through the belt transmission mechanism 85, the power output shaft of the secondary speed reducer 82 is in transmission connection with the right end of the impeller shaft 79 through the chain transmission mechanism 86 and drives the impeller shaft 79 to rotate anticlockwise, the front side edge of the upper port of the sand washing box 78 is fixedly provided with a discharge hopper 87 which is arranged in a front-low-back high-inclination mode and is positioned at the front lower side of the front discharging part of each impeller 80, the outer circumference of each impeller 80 is provided with a plurality of circumferentially-arrayed and internally-externally-transparent shovel grooves 88, the bottom of each shovel groove 88 is detachably and fixedly provided with a sand washing net structure, the left side plate of the sand washing box 78 is provided with two overflow ports, the left side plate of the sand washing box 78 is fixedly provided with overflow nozzles 96 at the positions of the two overflow ports, and the outlet of the sand discharging pipe 76 is arranged above the rear side part of the upper port of the sand washing box 78.
The impellers 80 are arranged in parallel, each impeller 80 comprises two circular ring wheel plates 89 which are arranged at intervals left and right, the central lines of the circular ring wheel plates 89 are horizontally arranged along the left and right directions, a plurality of arc tooth grooves 90 which are arranged in a circumferential array are formed in the outer circle of each circular ring wheel plate 89, a fixed circular plate 91 is concentrically arranged in the middle of each circular ring wheel plate 89, a plurality of radial plates 92 which are arranged in a circumferential array are fixedly connected between the inner circle of each circular ring wheel plate 89 and the outer circle of each fixed circular plate 91, a plurality of shovel plates 93 which are arranged in a circumferential array are fixedly connected between the two circular ring wheel plates 89, the shovel plates 93 on the upper side are obliquely arranged in a front-to-back low manner, the upper side edges of the shovel plates 93 on the upper side are aligned with the groove tops of the arc tooth grooves 90 on the upper side, a plurality of adjacent shovel plates 93 and the two circular ring wheel plates 89 form shovel grooves 88, and a pipe shaft 94 is fixedly connected between the centers of the two fixed circular plates 91;
Adjacent annular wheel plates 89 of two adjacent impellers 80 are in close contact, adjacent fixed circular plates 91 of two adjacent impellers 80 are fixedly connected through a plurality of fastening bolts, tube shafts 94 of four impellers 80 are concentrically sleeved on the impeller shaft 79, flange plates 95 are fixedly sleeved on the left side and the right side of the impeller shaft 79, the flange plate 95 on the left side is positioned on the left side of the leftmost impeller 80 and is fixedly connected with the left fixed circular plate 91 of the leftmost impeller 80, and the flange plate 95 on the right side is positioned on the right side of the rightmost impeller 80 and is fixedly connected with the right fixed circular plate 91 of the rightmost impeller 80.
The right end of the overflow mouth 96 is fixedly connected with a square filter plate 133, the square filter plate 133 is fixedly connected on the left side surface of the left side plate of the sand washing box 78 through a plurality of screws and covers the overflow mouth, the left end of the overflow mouth 96 is integrally and fixedly connected with a circular tube, and the circular tube is fixedly sleeved with a drain pipe 97;
the sand washing net structure comprises a mounting frame 98, a screen 99 and a locking frame 100, wherein the size of the mounting frame 98 is the same as the size of the bottom of the shovel groove 88, the mounting frame 98 is arranged at the bottom of the shovel groove 88 and is fixedly connected with two adjacent shovel plates 93 and two circular ring plates 89 respectively, a plurality of threaded holes are uniformly formed in one circle of the mounting frame 98, the screen 99 is of a square structure with a frame, the frame of the screen 99, the locking frame 100 and the mounting frame 98 are the same in size, a plurality of round holes 101 corresponding to the threaded holes one by one are uniformly formed in one circle of the frame of the screen 99 and the locking frame 100, the frame of the screen 99 is tightly pressed outside the mounting frame 98, and the locking frame 100 is fixedly connected to the mounting frame 98 through a plurality of fastening screws penetrating through the threaded holes 101 and being in the threaded holes.
The second step is specifically as follows: the hull 60 with self-propulsion function can automatically advance to a target working area, after the hull reaches the target working area, the stirring sand sucking device is firstly lifted into water through the winch 61, after the hull is sunk to a preset depth, two stirring motor speed reducers and sand sucking pumps 63 are started, the stirring motor speed reducers drive the stirring shaft 70 to rotate, the stirring shaft 70 is rotationally connected with the lower end face of the sealing cylinder 66 through a bearing, and the sealing device is adopted at the rotating connection to seal, the stirring shaft 70 drives the reamer-type stirring wheel 71 at the lower end to rotate, sediment accumulated underwater is stirred, mud and water form a mud mixture, and under the action of powerful suction of the sand sucking pumps 63, the mud mixture is continuously added into the sand washing box 78 from the rear side part of the upper port of the sand washing box 78 through the sand guiding pipe 69, the sand sucking pipe 65 and the sand discharging pipe 76.
The step (III) is specifically as follows: the three-phase asynchronous motor 81 is started, the three-phase asynchronous motor 81 drives the two-stage speed reducer 82 to rotate through the belt transmission mechanism 85, the two-stage speed reducer 82 drives the impeller shafts 79 to rotate through the chain transmission mechanism 86, the impeller shafts 79 drive the four impellers 80 to slowly rotate anticlockwise, meanwhile, sediment and water are continuously added into the sand washing box 78 from the rear side part of the upper port of the sand washing box 78, the shovel grooves 88 of each impeller 80 continuously dig out sand from the bottom of the sand washing box 78 and turn forwards and upwards, rolling, grinding and collision are generated among the sand, impurities covered on the sand surface are removed, bubbles wrapped on the sand surface are damaged, the sand finally slowly and uniformly flows forwards and downwards from the upper part of the front side of the impeller 80 to the discharge hopper 87, the sand slides forwards and downwards to the outside long-distance conveyor belt through the discharge hopper 87 to be dried and accumulated in a designated place, and the waste water is discharged through the overflow port, the overflow mouth 96 and the drain pipe 97.
The hull 60, the winch 61, the sand sucking pump 63, the guide pulley assembly, the stirring motor speed reducer, the sealing device, the power device 64, the sand discharging pipeline assembly, the three-phase asynchronous motor 81 and the two-stage speed reducer 82 are all of the prior art, are commercially available, the specific structure and the working principle are not repeated, and the control part in the invention does not relate to a new computer program.
The invention has scientific design, can realize sand pumping and sand washing, reasonably develops sediment resources, saves energy, protects environment and is beneficial to the industrialization of the sediment resources.
The guide pulley assembly may include two fixed pulleys 132, one on the front side and one on the rear side of the first bracket 62.
The above embodiments are merely for illustrating the technical aspects of the present invention, and it should be understood by those skilled in the art that the present invention is described in detail with reference to the above embodiments; modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, which is intended to be encompassed by the claims.
Claims (6)
1. A sediment sucking, conveying and sand washing method is characterized in that: the method specifically comprises the following steps:
firstly, arranging a river bottom sediment sucking and conveying system on a yellow river, and arranging a bucket wheel type sediment washing machine on the bank side of the yellow river;
Secondly, sucking sediment in a yellow river target working area by using a river bottom sediment sucking and conveying system, and conveying the sediment into a bucket wheel type sediment washing machine;
Thirdly, cleaning the sediment by a bucket wheel type sand washer to obtain qualified sand, and conveying the cleaned sand to a designated place for drying and stacking;
The river bottom sediment sucking and conveying system comprises a ship body, a stirring type sediment sucking device, a winch, a first bracket, a sediment sucking pump, a power device and a sediment discharge pipeline assembly, wherein the first bracket, the winch, the sediment sucking pump and the power device are all arranged on the ship body, the first bracket is arranged at the middle position of the front side of the ship body and extends forwards, the winch is positioned at the rear side of the first bracket, an inlet of the sediment sucking pump is connected with the stirring type sediment sucking device through a forwards extending sediment sucking pipe, an outlet of the sediment sucking pump is connected with the backwards extending sediment discharge pipeline assembly, a guide pulley assembly is arranged on the first bracket, a steel wire rope of the winch is connected with the stirring type sediment sucking device through the guide pulley assembly, and the power device provides power for the winch, the sediment sucking pump and the stirring type sediment sucking device;
The stirring type sand sucking device comprises a vertically arranged sealing cylinder, wherein three hanging rings distributed at the vertex of a regular triangle are arranged at the top of the sealing cylinder, a steel wire rope is correspondingly connected with one hanging ring through three connecting ropes, a sand guiding pipe is vertically arranged at the center of the sealing cylinder, an upper port and a lower port of the sand guiding pipe extend out of the upper end face and the lower end face of the sealing cylinder respectively, an inlet end of the sand sucking pipe is fixedly connected with the upper end of the sand guiding pipe, two stirring motor speed reducers are symmetrically arranged in the sealing cylinder at the center, an output shaft of each stirring motor speed reducer is parallel to the center line of the sealing cylinder, a stirring shaft is coaxially connected to the lower end of the output shaft of each stirring motor speed reducer through a shaft coupling, and reamer type stirring wheels are arranged at the lower end of each stirring shaft;
The reamer type stirring wheel comprises a circular ring, a central cylinder and six cutter arms, wherein the inner circle of the circular ring is fixedly connected with the outer circle of the upper part of the central cylinder through at least three radially arranged spokes, the six cutter arms are uniformly arranged along the circumferential direction of the central cylinder, the lower end of each cutter arm is fixedly connected with the outer circle of the lower part of the central cylinder, the upper end of each cutter arm is fixedly connected with the bottom surface of the circular ring, each cutter arm is in a three-dimensional spiral shape, arc-shaped connecting ribs are arranged between every two adjacent cutter arms, the lower end of a stirring shaft stretches into the central cylinder and is in transmission connection with the central cylinder through a flat key, the lower end of the stirring shaft is a step shaft with the upper part thick and the lower part thin, the step part of the step shaft is propped up, and a nut in compression joint with the lower end of the central cylinder is in threaded connection with the lower end of the stirring shaft;
The sand discharge pipeline assembly comprises a sand discharge pipe and a plurality of buoys, wherein the buoys are sleeved on the outer circle of the sand discharge pipe at intervals, the buoys float on the water surface and suspend the whole sand discharge pipe under water for a certain depth, and the outlet of the sand discharge pipe extends into the bucket wheel type sand washer;
the power device comprises a diesel engine, a generator and a storage battery pack, wherein the diesel engine provides advancing power for the ship body, the diesel engine simultaneously provides power for the winch and the sand sucking pump, the diesel engine drives the generator to charge the storage battery pack, and the storage battery pack provides electric energy for the stirring type sand sucking device;
The utility model provides a wheel bucket type sand washer, including the open sand washer in top, the impeller shaft, a plurality of impeller, three-phase asynchronous motor and second reduction gear, the impeller shaft sets up along controlling the direction level, the upper port left side of sand washer and right side middle part all fixed mounting have the bearing frame, the both ends of impeller shaft rotate respectively and install on two bearing frames, each impeller sets up side by side and fixed connection together about, each impeller concentric sleeve is fixed on the impeller shaft and is rotated in the sand washer, the fixed second support that is provided with in the right side of sand washer, three-phase asynchronous motor fixed mounting is in the downside of second support, two-phase reduction gear fixed mounting is at the top of second support, three-phase asynchronous motor's power shaft passes through the power input shaft of belt drive mechanism transmission connection second reduction gear, the power output shaft of second reduction gear passes through the chain drive mechanism transmission and connects the right-hand member of impeller shaft and drive impeller shaft anticlockwise rotation, the upper port front side fixed mounting of sand washer has the front low back tilt setting and is located the discharge hopper of the front side below of each impeller, be equipped with a plurality of circumference setting up and inside and outside the overflow bowl, the left side face of sand washer is equipped with the overflow mouth of two side face of the overflow bowl of each side of sand washer, the overflow mouth of two side of side face of sand washer is set up on the bottom of two side of sand washer and side of the sand washer is fixed at the bottom of the side of the bottom of the sand scraper.
2. The sediment suction and transportation and sediment washing method according to claim 1, wherein: the two circular wheel plates are fixedly connected with a plurality of circular array-arranged radials between the inner circle of the circular wheel plates and the outer circle of the fixed circular plate, the shovel plates on the upper side are arranged in a front-high and rear-low inclined manner, the upper side edge of the shovel plate on the upper side is aligned with the groove top of the arc-shaped groove on the upper side, a shovel groove is formed between two adjacent shovel plates and two circular wheel plates, and a pipe shaft is fixedly connected between the centers of the two fixed circular plates;
Adjacent round ring wheel plates of two adjacent impellers are in close contact, adjacent fixed circular plates of two adjacent impellers are fixedly connected through a plurality of fastening bolts, tube shafts of four impellers are concentrically sleeved on the impeller shafts, flange plates are fixedly sleeved on the left side part and the right side part of the impeller shafts, the flange plate on the left side is positioned on the left side of the leftmost impeller and is fixedly connected with the left fixed circular plate of the leftmost impeller, and the flange plate on the right side is positioned on the right side of the rightmost impeller and is fixedly connected with the right fixed circular plate of the rightmost impeller.
3. The sediment suction and transportation and sediment washing method according to claim 2, wherein: the right end fixedly connected with square filter plate of overflow mouth, square filter plate pass through a plurality of screw fixed connection on the left surface of the left side board of sand washing case and cover the overflow mouth, the left end integrated into one piece fixedly connected with pipe of overflow mouth, fixedly sleeved connection has the drain pipe on the pipe.
4. A silt sucking and transporting and sand washing method according to claim 3, wherein: the sand washing net structure comprises a mounting square frame, a screen and a locking square frame, wherein the size of the mounting square frame is the same as that of the groove bottom of the shovel groove, the mounting square frame is arranged at the groove bottom of the shovel groove and is fixedly connected with two adjacent shovel plates and two circular ring wheel plates respectively, a plurality of threaded holes are uniformly formed in one circle of the mounting square frame, the screen is of a square structure with a frame, a plurality of round holes which are in one-to-one correspondence with the threaded holes are uniformly formed in one circle of the frame of the screen, the frame of the screen is tightly pressed outside the mounting square frame, and the locking square frame is fixedly connected onto the mounting square frame through a plurality of fastening screws which penetrate through the round holes and are in threaded connection with the threaded holes.
5. The sediment suction transportation and sand washing method as set forth in claim 4, wherein: the second step is specifically as follows: the ship body with the self-propulsion function can automatically advance to a target working area, after the ship body reaches the target working area, a stirring sand sucking device is firstly hung into the water through a winch, after the ship body is sunk to a preset depth, two stirring motor speed reducers and a sand sucking pump are started, the stirring motor speed reducers drive stirring shafts to rotate, the stirring shafts are rotationally connected with the lower end face of a sealing cylinder through bearings, a sealing device is adopted at a rotating connection position to seal the stirring shafts, the stirring shafts drive reamer-type stirring wheels at the lower end to rotate, sediment accumulated under water is stirred, mud mixture is formed through stirring and water, and under the action of high-force suction of the sand sucking pump, the mud mixture is continuously added into a sand washing box from the rear side part of the upper port of the sand washing box through a sand guiding pipe, a sand sucking pipe and a sand discharging pipe.
6. The sediment suction transportation and sand washing method according to claim 5, wherein: the step (III) is specifically as follows: the three-phase asynchronous motor is started, the three-phase asynchronous motor drives the two-stage speed reducer to rotate through the belt transmission mechanism, the two-stage speed reducer drives the impeller shaft to rotate through the chain transmission mechanism, the impeller shaft drives the four impellers to rotate slowly and anticlockwise, meanwhile, sediment and water are continuously added into the sand washing box from the rear side part of the upper port of the sand washing box, the shovel grooves of each impeller continuously dig out sand from the bottom in the sand washing box and overturn forwards and upwards, rolling, grinding and collision are generated among the sand, impurities covered on the sand surface are removed, bubbles wrapped on the sand surface are damaged, the sand is slowly and uniformly discharged onto the discharge hopper forwards and downwards from the upper part of the front side of the impeller, the sand is conveyed to a specified place through the long-distance conveying belt for drying and stacking forwards and downwards, and waste water is discharged through the overflow port, the overflow mouth and the drain pipe.
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| CN202210929366.1A CN115162442B (en) | 2022-08-03 | 2022-08-03 | Sediment sucking, conveying and sand washing method |
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| CN202210929366.1A CN115162442B (en) | 2022-08-03 | 2022-08-03 | Sediment sucking, conveying and sand washing method |
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| CN118360985A (en) * | 2024-06-18 | 2024-07-19 | 中交广州航道局有限公司 | High-water-seepage type deep foundation pit drop-free drainage excavation construction technology |
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| CN2668704Y (en) * | 2004-05-27 | 2005-01-05 | 张延兵 | Yellow-river sand-mud pumping apparatus |
| CN203808130U (en) * | 2014-02-28 | 2014-09-03 | 山东海领船舶机械有限公司 | Water sand washing device for cutter suction dredger |
| CN108894264A (en) * | 2018-06-27 | 2018-11-27 | 安徽佳明环保科技股份有限公司 | A kind of strand suction device for river surface contamination removing ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3996089B2 (en) * | 2003-04-28 | 2007-10-24 | 株式会社Ｉｈｉ | Sediment drilling suction device |
| CN206613599U (en) * | 2017-04-01 | 2017-11-07 | 昌吉市三元机械有限公司 | A kind of vane type sand washer |
| CN210846735U (en) * | 2019-09-30 | 2020-06-26 | 湖州德宁矿业有限公司 | Sand washer |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2668704Y (en) * | 2004-05-27 | 2005-01-05 | 张延兵 | Yellow-river sand-mud pumping apparatus |
| CN203808130U (en) * | 2014-02-28 | 2014-09-03 | 山东海领船舶机械有限公司 | Water sand washing device for cutter suction dredger |
| CN108894264A (en) * | 2018-06-27 | 2018-11-27 | 安徽佳明环保科技股份有限公司 | A kind of strand suction device for river surface contamination removing ship |
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