CN116378145A - Full-automatic sand pumping method for sand sedimentation tank - Google Patents
Full-automatic sand pumping method for sand sedimentation tank Download PDFInfo
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- CN116378145A CN116378145A CN202310229402.8A CN202310229402A CN116378145A CN 116378145 A CN116378145 A CN 116378145A CN 202310229402 A CN202310229402 A CN 202310229402A CN 116378145 A CN116378145 A CN 116378145A
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- 239000004576 sand Substances 0.000 title claims abstract description 305
- 238000005086 pumping Methods 0.000 title claims abstract description 187
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000004062 sedimentation Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000013049 sediment Substances 0.000 claims abstract description 65
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000012876 topography Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 16
- 238000004873 anchoring Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 9
- 239000012634 fragment Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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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
-
- 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
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- 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
- E02F3/92—Digging elements, e.g. suction heads
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- 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
- E02F3/9262—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with jets
-
- 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
- E02F3/9275—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 with axis of rotation parallel to longitudinal axis of the suction pipe
-
- 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
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
-
- 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
- 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
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/06—Floating substructures as supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a full-automatic sand pumping method for a sand sedimentation tank, which comprises the following steps: (1) Assembling a movable fixed-point sand pumping platform on water at a sand pumping site of a sand settling pond; (2) Positioning four anchor piles on the shore of the periphery of the water surface area of the sand pumping site, and connecting and tensioning a water movable fixed-point sand pumping platform with the four anchor piles through cables; (3) According to the characteristics of underwater topography and sediment in the sand pumping area, the interval distance, the sand pumping depth and the operation time parameters of the sand pumping operation point are confirmed, and the automatic operation program flow compiled to the water movable fixed-point sand pumping platform is input, so that the water movable fixed-point sand pumping platform is controlled to perform omnibearing sand pumping operation on the underwater sediment. The invention effectively improves the sand pumping and discharging operation efficiency, saves manpower and material resources and greatly reduces the sand pumping cost. The square ship body can be used as a sand pumping platform main body repeatedly, and can also be used as a design universal module for different sand pumping areas.
Description
Technical Field
The invention belongs to the technical field of reservoir dredging and sand discharging, and particularly relates to a full-automatic sand pumping method of a sand sedimentation tank.
Background
In order to ensure the comprehensive benefit of the reservoir, proper dredging and sand removal are necessary for the reservoir. The reservoir dredging and sand discharging engineering can be implemented, the reservoir profit and the flood control reservoir capacity can be recovered or increased, and the method is an important means for increasing the reservoir efficiency and the reservoir capacity. The common desilting mode at present is the desilting operation of desilting ship generally, and the desilting ship includes water operation platform and underwater desilting device, and traditional water operation platform is mainly with boats and ships, and removal operation and sand pumping equipment need rely on the fuel to provide energy, and equipment is great, and investment cost is higher, and the manpower that needs is more, can not be better plan desilting region, location desilting position, and the position degree of depth of clearance is also inaccurate.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the full-automatic sand pumping method of the desilting pond, which has low desilting cost, high efficiency and good effect.
In order to solve the technical problems, the invention adopts the following technical scheme: a full-automatic sand pumping method for a sand sedimentation tank comprises the following steps:
(1) Assembling a movable fixed-point sand pumping platform on water at a sand pumping site of a sand settling pond;
(2) Positioning four anchor piles on the shore of the periphery of the water surface area of the sand pumping site, and connecting and tensioning a water movable fixed-point sand pumping platform with the four anchor piles through cables;
(3) According to the characteristics of underwater topography and sediment in the sand pumping area measured in advance, confirming the interval distance, the sand pumping depth and the operation time parameters of the sand pumping operation points, inputting an automatic operation program flow compiled to the water movable fixed-point sand pumping platform, and controlling the water movable fixed-point sand pumping platform to perform omnibearing sand pumping operation on the underwater sediment;
(4) After the sand pumping operation is finished, the movable fixed-point sand pumping platform on the water is removed.
The movable fixed-point sand pumping platform comprises a housing, a square hull, a positioning winch device, a sediment disturbance sand pumping device, a flexible sand discharging device and a control cabinet;
the housing comprises a housing and a framework, the framework is arranged on the square ship body, the housing is arranged on the framework, a lifting device is arranged on the framework, the lifting device is connected with a sediment disturbance sand pumping device through a lifting rope, and the sediment disturbance sand pumping device is connected with a flexible sand discharging device through a pipeline;
the square hull is a rear rectangular floating body formed by connecting four sets of buoyancy tanks into a whole through anchor cables; the center of the square hull is provided with a reserved channel which is transparent up and down and is in a regular hexagonal prism shape, and the lower parts of the two sides of the square hull which are bilaterally symmetrical are provided with water depth detectors which are connected with a control cabinet through signals;
the positioning winch device comprises anchoring piles, winches, a navigation positioner and a control cabinet, wherein the winches and the control cabinet are arranged on a square ship body, four anchoring piles are arranged on the bank side of a sand sedimentation tank and are respectively positioned on corner points of a quadrangle, four sets of winches are respectively arranged on the periphery of the square ship body, each set of winches is connected with one anchoring pile through a cable, the navigation positioner is arranged in the control cabinet, and data of the navigation positioner is communicated with the control cabinet;
the winch, the navigation locator and the control cabinet are positioned in the outer cover; an operation computer is arranged between the shore operation room and is connected with the signal receiving and transmitting device through a network cable to realize connection with the control cabinet;
the flexible sand discharge device comprises a sand discharge pipeline and a plurality of pontoons sleeved on the outer circle of the sand discharge pipeline at intervals, the pontoons suspend the whole sand discharge pipeline on the water surface, one end of the sand discharge pipeline is connected with an outlet of a sand conveying pipeline arranged on the square ship body, and the flexible sand discharge device of the shore part extends to a designated sand discharge area for the sand discharge pipeline.
The framework comprises two portal frames which are vertically crossed and are semicircular, the cross points of the two portal frames are fixedly connected through a hanging frame, the hanging frame is positioned right above the reserved channel, the lifting device is an electric hoist, and the lifting device is arranged on the hanging frame;
the two control cabinets are symmetrically arranged about the center of the reserved passage, wherein two sets of winches are respectively positioned at two sides of one control cabinet, the other two sets of winches are respectively positioned at two sides of the other control cabinet, four vertexes of the square ship body are respectively provided with a guide, and each set of winches correspondingly pass through one adjacent guide through cables connected with one anchor pile;
the four vertexes of the square hull are provided with brackets, an arc-shaped supporting rod is arranged between the hanger at the intersection of the two portal frames and the four brackets, and the outer cover is wrapped and arranged outside the four arc-shaped supporting rods and the two portal frames.
The sediment disturbance sand pumping device comprises a mud suction shell, wherein a sand pumping pump, a plurality of jet flow mechanisms and a plurality of sand disturbing mechanisms are arranged in the mud suction shell, a flow gathering cover with an open lower end is arranged at the bottom of the mud suction shell, the sand pumping pump is concentrically and vertically arranged in the mud suction shell, each jet flow mechanism and each sand disturbing mechanism are arranged around the circumferential array of the sand pumping pump, and a pump body of the sand pumping pump penetrates through and is fixedly arranged on a bottom plate of the mud suction shell; the lower end of the pump body of the sand pump is provided with a suction port, the left side wall of the lower part of the pump body of the sand pump is provided with a discharge port, the suction port and the discharge port are both positioned in the flow gathering cover, the discharge port is connected with a sand outlet pipe, the sand outlet pipe vertically bends upwards to pass through a top plate of the flow gathering cover and is connected with an inlet of a sand conveying pipeline arranged on the square ship body, the lower ends of each jet mechanism and each sand disturbing mechanism downwards pass through a bottom plate of the suction dredge shell and the top plate of the flow gathering cover and extend into the flow gathering cover, the lower end of the jet mechanism is a jet end, the lower end of the sand disturbing mechanism is a stirring end, and the jet end and the stirring end are both positioned in the flow gathering cover;
the pump body upper end of the sand pump is provided with a hanging ring, the hanging ring is fixedly connected with a hanging rope, and the hanging rope vertically upwards passes through the center of the top plate of the suction dredge shell; the suction dredge shell is of a hollow triangular prism shell structure, and the flow gathering cover is of a hollow round platform cover body structure with a small upper part and a large lower part.
The jet flow mechanisms and the sand disturbing mechanisms are sequentially arranged at intervals, the diameter of a circle where all the jet flow mechanisms are located is smaller than that of a circle where all the sand disturbing mechanisms are located, and a plurality of rectangular notches are formed in the edge of the lower end of the flow gathering cover to form a skirt edge structure; the jet mechanism comprises a jet pump, the jet pump is vertically arranged and fixedly arranged in the suction dredge shell through a first bracket, the lower end of the jet pump downwards penetrates through the bottom plate of the suction dredge shell and the top plate of the flow gathering cover and stretches into the flow gathering cover, a jet nozzle is arranged at the outlet of the lower end of the jet pump, the inlet at the upper end of the jet pump is connected with a water inlet pipe, and the water inlet of the water inlet pipe horizontally penetrates through and stretches out of the side wall of the suction dredge shell.
The sand disturbing mechanism comprises a stirrer, the stirrer is vertically arranged and fixedly arranged in the suction dredge shell through a second support, the lower end of the stirrer downwards penetrates through the bottom plate of the suction dredge shell and the top plate of the flow gathering cover and stretches into the flow gathering cover, a stirring head is fixedly arranged at the lower end of a stirring shaft of the stirrer, and the stirring head is of a three-jaw crushing cutter head structure.
The specific construction process of the step (1) is as follows: transporting each part of the movable fixed-point sand pumping platform to a sand pumping site of a reservoir, firstly assembling four sets of buoyancy tanks into a square ship body, and then installing a control cabinet, four winches, a navigation positioner, four guides and a lifting device at preset positions of the square ship body; in the step (2), the four windlass are respectively connected with the four anchoring piles through cables and the cables need to pass through corresponding guide devices when being tensioned.
The concrete construction process of the sand pumping operation in the step (3) is as follows:
A. controlling an operation computer at the bank, transmitting signals to a control cabinet, transmitting corresponding signals to four winches by the control cabinet, carrying out forward rotation or overturning by the four winches according to a set program, moving a square ship body to a sand pumping area through the retraction of four cables, positioning by a navigation positioner, and adjusting the working depth of a sediment disturbance sand pumping device by controlling an electric hoist to start and stop by the control cabinet;
B. starting a sand pumping pump, a stirrer, a jet pump and an electric hoist of the sediment disturbance sand pumping device to pump sediment;
C. starting an automatic fixed-point operation program of a control cabinet, opening each pipeline, starting or closing a winch, a sand pumping pump, a stirrer, a jet pump and an electric hoist, and automatically moving and pumping sand through a preset sand pumping navigation track.
The specific working process of the step B is as follows: the electric hoist drops the sediment disturbing sand pumping device to the water bottom, the lower end of the flow gathering cover is inserted into hardened sediment at the bottom of the water body, the sand pumping pump, each jet pump (jet mechanism) and each stirrer (sand disturbing mechanism) are started, the stirring shaft of each stirrer drives the corresponding stirring head to rotate, each stirring head stirs the hardened sediment in the flow gathering cover into fragment particles, the fragment particles are mixed with water in the flow gathering cover, meanwhile, each jet pump works to inject water into the flow gathering cover for dilution through the corresponding jet nozzle, the fragment particles and the water form mud under the stirring of each stirring head, and the pumping end of the sand pumping pump pumps the mud in the flow gathering cover, so that the mud is discharged through the discharge end and conveyed to a shore mortar collecting device for treatment through a sand discharging pipe; in the sand pumping process, negative pressure is formed inside the sand pumping pump, water outside the sand pumping cover can wash out sediment, the sediment enters the sand pumping pump through each rectangular notch of the skirt edge structure of the sand pumping cover to form mud inside the sand pumping cover, the periphery of the sand pumping cover can form a slope pit body, the slope pit body gradually deepens along with the descending of the sand pumping device, continuous sand pumping is realized, and hardened sediment can be well cleaned.
The specific construction process of the step (4) is as follows: closing the sediment disturbance sand pumping device, starting an electric hoist to lift the sediment disturbance sand pumping device, then enabling cables on four winches to be folded and unfolded differently through controlling an operation computer, moving the water movable fixed-point sand pumping platform to the bank, closing a power supply, sequentially dismantling the flexible sediment discharge device, the sediment disturbance sand pumping device, a control cabinet, the winches and the portal frame, transporting all equipment parts to a storage point, and completing the whole sand pumping operation.
By adopting the technical scheme, the invention has the following technical effects:
1) The electric hoist and the reserved passage are arranged on the vertical central line of the square hull, the hoisting gravity cannot deviate, and meanwhile, the four sets of winches and the two control cabinets are also arranged in a central symmetry manner, so that the stability of the whole square hull in the operation process is ensured.
2) The two portal frames provide strong support for the electric hoist lifting sediment disturbing sand pumping device, the support and the arc-shaped supporting rods encrypt the portal frames, the effect of supporting the outer cover is achieved, and the outer cover covers equipment arranged on the square ship body, so that the effect of shielding wind and rain is achieved.
3) The position of the square hull on the water surface can be adjusted by tensioning and loosening cables between the four sets of windlass and the corresponding anchor piles, the square hull is positioned by a GPS-RTK navigation positioner, and the control cabinet adjusts the working depth of the sediment disturbing sand pumping device by controlling the opening and closing of the electric hoist.
4) The outlet of the sediment disturbance sand pumping device is connected with a flexible sand discharging device through a pipeline, the flexible sand discharging device is divided into a water part and a shore part, the water part flexible sand discharging device comprises a sand discharging pipeline and a plurality of pontoons sleeved on the outer circle of the sand discharging pipeline at intervals, the pontoons suspend the whole sand discharging pipeline on the water surface, one end of the pontoons are connected with the outlet of a square ship body fixed sand conveying channel, and only the sand discharging pipeline extends to a designated sand discharging area on the shore part.
5) The navigation locator adopts a GPS-RTK navigation locator, monitors through an automatic fixed point program and observes the position of the platform and the water depth of the operation point in real time; the control cabinet comprises a corresponding circuit, a visual display and an operating system, an automatic fixed-point program is built in, and the operation of pulling and releasing the cable of the four windlass is automatically controlled by implementing monitoring data. The data monitored by the load tester (arranged on the lifting rope of the lifting device), the flowmeter (arranged on the sand conveying pipeline), the sand content on-line monitoring device (arranged on the sand conveying pipeline) and the water depth detector (arranged on the lower side part of the square ship body) are also transmitted to the control cabinet through the signal line, and related data are displayed in real time through the visual display. The control cabinet signals control the opening and closing of components such as a winch, a water pump, a disturbance device, an electric hoist and the like.
In conclusion, the sand pumping area planning, sand pumping position positioning and sand pumping depth measurement and control problems in sand pumping operation are solved. The square hull forms the main part of taking out sand platform, realizes square hull and removes and fix a position on water through the hawser zoom of GPS navigation locator control hoist engine, carries out taking out sand regional planning through automatic operation procedure, installs gallows and electric block on the portal frame center of two semi-circular and lifts by crane sediment disturbance sand pumping device, transports the silt of taking out to appointed position through suction pump and sediment discharge pipeline. The invention effectively improves the sand pumping and discharging operation efficiency, saves manpower and material resources and greatly reduces the sand pumping cost. The square ship body can be used as a sand pumping platform main body repeatedly, and can also be used as a design universal module for different sand pumping areas.
Drawings
FIG. 1 is a schematic perspective view of a water-borne mobile fixed-point sand pumping platform in the invention;
FIG. 2 is an elevational schematic of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is an axial cross-sectional view of a sediment disturbing sand extraction device;
FIG. 5 is a schematic diagram of the working state of the sediment disturbing sand pumping device.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the full-automatic sand pumping method of the sand sedimentation tank comprises the following steps:
(1) Assembling a movable fixed-point sand pumping platform on water at a sand pumping site of a sand settling pond;
(2) Four anchor piles (not shown) are positioned on the shore of the periphery of the water surface area of the sand pumping site, and the water movable fixed-point sand pumping platform is connected with the four anchor piles through cables and is tensioned;
(3) According to the characteristics of underwater topography and sediment in the sand pumping area measured in advance, confirming the interval distance, the sand pumping depth and the operation time parameters of the sand pumping operation points, inputting an automatic operation program flow compiled to the water movable fixed-point sand pumping platform, and controlling the water movable fixed-point sand pumping platform to perform omnibearing sand pumping operation on the underwater sediment;
(4) After the sand pumping operation is finished, the movable fixed-point sand pumping platform on the water is removed.
The movable fixed-point sand pumping platform comprises a housing, a square ship body 3, a positioning winch device, a sediment disturbance sand pumping device, a flexible sand discharging device and a control cabinet 1;
the housing comprises an outer cover (not shown) and a framework 2, the framework 2 is arranged on the square ship body 3, the outer cover is arranged on the framework 2, the framework 2 is provided with a lifting device 7, the lifting device 7 is connected with a sediment disturbance sand pumping device 11 through a lifting rope, and the sediment disturbance sand pumping device 11 is connected with a flexible sand discharging device through a pipeline;
the square ship body 3 is a rear rectangular floating body formed by connecting four sets of floating boxes into a whole through anchor cables; the center of the square hull 3 is provided with a reserved channel 5 which is transparent up and down and is in a regular hexagonal prism shape, and the lower parts of the two sides of the square hull 3 which are bilaterally symmetrical are provided with water depth detectors which are in signal connection with the control cabinet 1;
the positioning winch device comprises anchoring piles, winches 4, navigation locators (not shown) and a control cabinet 1, wherein the winches 4 and the control cabinet 1 are arranged on a square ship body 3, four anchoring piles are arranged on the bank side of a sand sedimentation tank and are respectively positioned on corner points of a quadrilateral, four sets of winches 4 are respectively arranged on the periphery of the square ship body 3, each set of winches 4 is connected with one anchoring pile through a cable, the navigation locators are arranged in the control cabinet 1, and data of the navigation locators are communicated with the control cabinet 1;
the winch 4, the navigation locator and the control cabinet 1 are positioned in the outer cover; an operation computer is arranged in the shore operation room and is connected with the signal receiving and transmitting device through a network cable to realize connection with the control cabinet 1;
the flexible sand discharge device comprises a sand discharge pipeline and a plurality of pontoons sleeved on the outer circle of the sand discharge pipeline at intervals, the pontoons suspend the whole sand discharge pipeline on the water surface, one end of the sand discharge pipeline is connected with an outlet of a sand conveying pipeline arranged on the square ship body 3, and the flexible sand discharge device of the shore part extends to a designated sand discharge area for the sand discharge pipeline.
The framework 2 comprises two portal frames which are vertically crossed and are semicircular, the intersection points of the two portal frames are fixedly connected through a hanging frame 6, the hanging frame 6 is positioned right above the reserved channel 5, the lifting device 7 is an electric hoist, and the lifting device 7 is arranged on the hanging frame 6;
the two control cabinets 1 are arranged in a central symmetry manner about the reserved passage 5, wherein two sets of winches 4 are respectively positioned at two sides of one control cabinet 1, the other two sets of winches 4 are respectively positioned at two sides of the other control cabinet 1, four vertexes of the square ship body 3 are respectively provided with a guide 8, and each set of winches 4 correspondingly passes through one adjacent guide 8;
the four vertexes of the square ship body 3 are respectively provided with a bracket 9, an arc-shaped supporting rod 10 is respectively arranged between the hanger 6 of the intersection of the two portal frames and the four brackets 9, and the outer cover is wrapped and arranged outside the four arc-shaped supporting rods 10 and the two portal frames.
The sediment disturbance sand pumping device 11 comprises a mud suction casing 12, wherein a sand pumping pump 13, a plurality of jet flow mechanisms 14 and a plurality of sand disturbing mechanisms 15 are arranged in the mud suction casing 12, a flow gathering cover 16 with an open lower end is arranged at the bottom of the mud suction casing 12, the sand pumping pump 13 is concentrically and vertically arranged in the mud suction casing 12, each jet flow mechanism 14 and each sand disturbing mechanism 15 are arranged around the circumferential array of the sand pumping pump 13, and a pump body of the sand pumping pump 13 penetrates through and is fixedly arranged on a bottom plate of the mud suction casing 12; the lower end of the pump body of the sand pump 13 is a suction port, the left side wall of the lower part of the pump body of the sand pump 13 is provided with a discharge port, the suction port and the discharge port are both positioned in the flow gathering cover 16, the discharge port is connected with a sand outlet pipe 17, the sand outlet pipe 17 vertically bends upwards to pass through the top plate of the flow gathering cover 16 and is connected with the inlet of a sand conveying pipeline arranged on the square hull 3, the lower ends of each jet mechanism 14 and each sand disturbing mechanism 15 downwards pass through the bottom plate of the suction dredge shell 12 and the top plate of the flow gathering cover 16 and extend into the flow gathering cover 16, the lower end of the jet mechanism 14 is a jet end, the lower end of the sand disturbing mechanism 15 is a stirring end, and the jet end and the stirring end are both positioned in the flow gathering cover 16;
the upper end of the pump body of the sand pump 13 is provided with a hanging ring 18, the hanging ring 18 is fixedly connected with a hanging rope 19, and the hanging rope 19 vertically upwards passes through the center of the top plate of the mud suction casing 12; the suction dredge shell 12 is of a hollow triangular prism shell structure, and the flow collecting cover 16 is of a hollow round platform cover body structure with a small upper part and a large lower part.
The jet mechanism 14 and the sand disturbing mechanism 15 are sequentially arranged at intervals, the diameter of a circle where all the jet mechanisms 14 are located is smaller than that of a circle where all the sand disturbing mechanisms 15 are located, and a plurality of rectangular notches 20 are formed in the edge of the lower end of the flow gathering cover 16 to form a skirt structure; the jet mechanism 14 comprises a jet pump which is vertically arranged and fixedly arranged in the suction mud casing 12 through the first bracket 9, the lower end of the jet pump downwards penetrates through the bottom plate of the suction mud casing 12 and the top plate of the flow gathering cover 16 and stretches into the flow gathering cover 16, a jet nozzle is arranged at the outlet of the lower end of the jet pump, the inlet of the upper end of the jet pump is connected with the water inlet pipe 22, and the water inlet of the water inlet pipe 22 horizontally penetrates through and stretches out of the side wall of the suction mud casing 12.
The sand disturbing mechanism 15 comprises a stirrer, the stirrer is vertically arranged and fixedly arranged in the suction dredge shell 12 through the second bracket 9, the lower end of the stirrer downwards penetrates through the bottom plate of the suction dredge shell 12 and the top plate of the flow gathering cover 16 and stretches into the flow gathering cover 16, a stirring head 21 is fixedly arranged at the lower end of a stirring shaft of the stirrer, and the stirring head 21 is of a three-jaw crushing cutter head structure.
The specific construction process of the step (1) is as follows: transporting all parts of a movable fixed-point sand pumping platform to a sand pumping site of a reservoir, firstly assembling four sets of buoyancy tanks into a square ship body 3, and then installing a control cabinet 1, four winches 4, a navigation positioner, four guide devices 8 and a lifting device 7 at preset positions of the square ship body 3; in the step (2), the four windlass 4 is respectively connected with the four anchoring piles through cables, and the cables need to pass through the corresponding guide devices 8 when being tensioned.
The concrete construction process of the sand pumping operation in the step (3) is as follows:
A. the control computer is operated on the bank, signals are transmitted to the control cabinet 1, the control cabinet 1 sends corresponding signals to the four windlass 4, the four windlass 4 rotates forward or overturns according to a set program, the square ship body 3 is moved to a sand pumping area through the retraction of four cables and is positioned through the navigation positioner, the control cabinet 1 is opened and closed through controlling the electric hoist, and the working depth of the sediment disturbance sand pumping device 11 is adjusted;
B. starting a sand pumping pump 13, a stirrer, a jet pump and an electric hoist of the sediment disturbance sand pumping device 11 to pump sediment;
C. starting an automatic fixed-point operation program of the control cabinet 1, opening various pipelines, starting or closing the winch 4, the sand pump 13, the stirrer, the jet pump and the electric hoist, and automatically moving and pumping sand through a preset sand pumping navigation track.
The specific working process of the step B is as follows: the electric hoist lowers the sediment disturbing sand pumping device 11 to the water bottom, the lower end of the flow gathering cover 16 is inserted into hardened sediment 23 at the water bottom, the sand pumping pump 13, each jet pump (jet mechanism 14) and each stirrer (sand disturbing mechanism 15) are started, the stirring shaft of each stirrer drives the corresponding stirring head 21 to rotate, each stirring head 21 stirs the hardened sediment 23 in the flow gathering cover 16 into fragment particles, the fragment particles are mixed with water in the flow gathering cover 16, meanwhile, each jet pump works to inject water into the flow gathering cover 16 through the corresponding jet nozzle for dilution, the fragment particles and the water form mud under the stirring of each stirring head 21, and the pumping end of the sand pumping pump 13 pumps the mud in the flow gathering cover 16, so that the mud is discharged through the discharge end and is conveyed to a mud collecting device at the bank through the sand discharging pipe 17 for treatment; in the sand pumping process of the sand pumping pump 13, negative pressure is formed inside the flow gathering cover 16, so that water outside the flow gathering cover 16 can wash out sediment, the sediment enters into the flow gathering cover 16 through each rectangular notch 20 of the skirt edge structure of the flow gathering cover 16 to form mud to be pumped out by the sand pumping pump 13, a slope pit body can be formed around the flow gathering cover 16, and along with the descending of the mud sucking device, the slope pit body is deepened gradually, continuous sand pumping is realized, and hardened sediment 23 can be cleaned well.
The specific construction process of the step (4) is as follows: closing the sediment disturbance sand pumping device 11, starting an electric hoist to lift the sediment disturbance sand pumping device 11, then enabling cables on the four winches 4 to be folded and unfolded differently through controlling an operation computer, moving the water movable fixed-point sand pumping platform to the shore, closing a power supply, sequentially dismantling the flexible sand discharging device, the sediment disturbance sand pumping device 11, the control cabinet 1, the winches 4 and the portal frame, transporting all equipment parts to storage points, and completing the whole sand pumping operation.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and the invention is not limited to the above, but is capable of modification and equivalents of some of the features described in the foregoing embodiments, and any modification, equivalents, improvements and etc. within the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A full-automatic sand pumping method for a sand sedimentation tank is characterized in that: the method comprises the following steps:
(1) Assembling a movable fixed-point sand pumping platform on water at a sand pumping site of a sand settling pond;
(2) Positioning four anchor piles on the shore of the periphery of the water surface area of the sand pumping site, and connecting and tensioning a water movable fixed-point sand pumping platform with the four anchor piles through cables;
(3) According to the characteristics of underwater topography and sediment in the sand pumping area measured in advance, confirming the interval distance, the sand pumping depth and the operation time parameters of the sand pumping operation points, inputting an automatic operation program flow compiled to the water movable fixed-point sand pumping platform, and controlling the water movable fixed-point sand pumping platform to perform omnibearing sand pumping operation on the underwater sediment;
(4) After the sand pumping operation is finished, the movable fixed-point sand pumping platform on the water is removed.
2. The full-automatic sand pumping method of the sand sedimentation tank of claim 1, wherein the method comprises the following steps: the movable fixed-point sand pumping platform comprises a housing, a square hull, a positioning winch device, a sediment disturbance sand pumping device, a flexible sand discharging device and a control cabinet;
the housing comprises a housing and a framework, the framework is arranged on the square ship body, the housing is arranged on the framework, a lifting device is arranged on the framework, the lifting device is connected with a sediment disturbance sand pumping device through a lifting rope, and the sediment disturbance sand pumping device is connected with a flexible sand discharging device through a pipeline;
the square hull is a rear rectangular floating body formed by connecting four sets of buoyancy tanks into a whole through anchor cables; the center of the square hull is provided with a reserved channel which is transparent up and down and is in a regular hexagonal prism shape, and the lower parts of the two sides of the square hull which are bilaterally symmetrical are provided with water depth detectors which are connected with a control cabinet through signals;
the positioning winch device comprises anchoring piles, winches, a navigation positioner and a control cabinet, wherein the winches and the control cabinet are arranged on a square ship body, four anchoring piles are arranged on the bank side of a sand sedimentation tank and are respectively positioned on corner points of a quadrangle, four sets of winches are respectively arranged on the periphery of the square ship body, each set of winches is connected with one anchoring pile through a cable, the navigation positioner is arranged in the control cabinet, and data of the navigation positioner is communicated with the control cabinet;
the winch, the navigation locator and the control cabinet are positioned in the outer cover; an operation computer is arranged between the shore operation room and is connected with the signal receiving and transmitting device through a network cable to realize connection with the control cabinet;
the flexible sand discharge device comprises a sand discharge pipeline and a plurality of pontoons sleeved on the outer circle of the sand discharge pipeline at intervals, the pontoons suspend the whole sand discharge pipeline on the water surface, one end of the sand discharge pipeline is connected with an outlet of a sand conveying pipeline arranged on the square ship body, and the flexible sand discharge device of the shore part extends to a designated sand discharge area for the sand discharge pipeline.
3. The full-automatic sand pumping method of the sand sedimentation tank according to claim 2, which is characterized in that: the framework comprises two portal frames which are vertically crossed and are semicircular, the cross points of the two portal frames are fixedly connected through a hanging frame, the hanging frame is positioned right above the reserved channel, the lifting device is an electric hoist, and the lifting device is arranged on the hanging frame;
the two control cabinets are symmetrically arranged about the center of the reserved passage, wherein two sets of winches are respectively positioned at two sides of one control cabinet, the other two sets of winches are respectively positioned at two sides of the other control cabinet, four vertexes of the square ship body are respectively provided with a guide, and each set of winches correspondingly pass through one adjacent guide through cables connected with one anchor pile;
the four vertexes of the square hull are provided with brackets, an arc-shaped supporting rod is arranged between the hanger at the intersection of the two portal frames and the four brackets, and the outer cover is wrapped and arranged outside the four arc-shaped supporting rods and the two portal frames.
4. A full-automatic sand pumping method for a sand sedimentation tank according to claim 2 or 3, characterized in that: the sediment disturbance sand pumping device comprises a mud suction shell, wherein a sand pumping pump, a plurality of jet flow mechanisms and a plurality of sand disturbing mechanisms are arranged in the mud suction shell, a flow gathering cover with an open lower end is arranged at the bottom of the mud suction shell, the sand pumping pump is concentrically and vertically arranged in the mud suction shell, each jet flow mechanism and each sand disturbing mechanism are arranged around the circumferential array of the sand pumping pump, and a pump body of the sand pumping pump penetrates through and is fixedly arranged on a bottom plate of the mud suction shell; the lower end of the pump body of the sand pump is provided with a suction port, the left side wall of the lower part of the pump body of the sand pump is provided with a discharge port, the suction port and the discharge port are both positioned in the flow gathering cover, the discharge port is connected with a sand outlet pipe, the sand outlet pipe vertically bends upwards to pass through a top plate of the flow gathering cover and is connected with an inlet of a sand conveying pipeline arranged on the square ship body, the lower ends of each jet mechanism and each sand disturbing mechanism downwards pass through a bottom plate of the suction dredge shell and the top plate of the flow gathering cover and extend into the flow gathering cover, the lower end of the jet mechanism is a jet end, the lower end of the sand disturbing mechanism is a stirring end, and the jet end and the stirring end are both positioned in the flow gathering cover;
the pump body upper end of the sand pump is provided with a hanging ring, the hanging ring is fixedly connected with a hanging rope, and the hanging rope vertically upwards passes through the center of the top plate of the suction dredge shell; the suction dredge shell is of a hollow triangular prism shell structure, and the flow gathering cover is of a hollow round platform cover body structure with a small upper part and a large lower part.
5. The full-automatic sand pumping method for the sand sedimentation tank of claim 4, wherein the method comprises the following steps: the jet flow mechanisms and the sand disturbing mechanisms are sequentially arranged at intervals, the diameter of a circle where all the jet flow mechanisms are located is smaller than that of a circle where all the sand disturbing mechanisms are located, and a plurality of rectangular notches are formed in the edge of the lower end of the flow gathering cover to form a skirt edge structure; the jet mechanism comprises a jet pump, the jet pump is vertically arranged and fixedly arranged in the suction dredge shell through a first bracket, the lower end of the jet pump downwards penetrates through the bottom plate of the suction dredge shell and the top plate of the flow gathering cover and stretches into the flow gathering cover, a jet nozzle is arranged at the outlet of the lower end of the jet pump, the inlet at the upper end of the jet pump is connected with a water inlet pipe, and the water inlet of the water inlet pipe horizontally penetrates through and stretches out of the side wall of the suction dredge shell.
6. The full-automatic sand pumping method for the sand sedimentation tank of claim 5, wherein the method comprises the following steps: the sand disturbing mechanism comprises a stirrer, the stirrer is vertically arranged and fixedly arranged in the suction dredge shell through a second support, the lower end of the stirrer downwards penetrates through the bottom plate of the suction dredge shell and the top plate of the flow gathering cover and stretches into the flow gathering cover, a stirring head is fixedly arranged at the lower end of a stirring shaft of the stirrer, and the stirring head is of a three-jaw crushing cutter head structure.
7. The full-automatic sand pumping method for the sand sedimentation tank of claim 6, wherein the method comprises the following steps: the specific construction process of the step (1) is as follows: transporting each part of the movable fixed-point sand pumping platform to a sand pumping site of a reservoir, firstly assembling four sets of buoyancy tanks into a square ship body, and then installing a control cabinet, four winches, a navigation positioner, four guides and a lifting device at preset positions of the square ship body; in the step (2), the four windlass are respectively connected with the four anchoring piles through cables and the cables need to pass through corresponding guide devices when being tensioned.
8. The full-automatic sand pumping method for the sand sedimentation tank of claim 7, wherein the method comprises the following steps: the concrete construction process of the sand pumping operation in the step (3) is as follows:
A. controlling an operation computer at the bank, transmitting signals to a control cabinet, transmitting corresponding signals to four winches by the control cabinet, carrying out forward rotation or overturning by the four winches according to a set program, moving a square ship body to a sand pumping area through the retraction of four cables, positioning by a navigation positioner, and adjusting the working depth of a sediment disturbance sand pumping device by controlling an electric hoist to start and stop by the control cabinet;
B. starting a sand pumping pump, a stirrer, a jet pump and an electric hoist of the sediment disturbance sand pumping device to pump sediment;
C. starting an automatic fixed-point operation program of a control cabinet, opening each pipeline, starting or closing a winch, a sand pumping pump, a stirrer, a jet pump and an electric hoist, and automatically moving and pumping sand through a preset sand pumping navigation track.
9. The full-automatic sand pumping method for the sand sedimentation tank of claim 8, wherein the method comprises the following steps: the specific working process of the step B is as follows: the electric hoist drops the sediment disturbing sand pumping device to the water bottom, the lower end of the flow gathering cover is inserted into hardened sediment at the bottom of the water body, the sand pumping pump, each jet pump (jet mechanism) and each stirrer (sand disturbing mechanism) are started, the stirring shaft of each stirrer drives the corresponding stirring head to rotate, each stirring head stirs the hardened sediment in the flow gathering cover into fragment particles, the fragment particles are mixed with water in the flow gathering cover, meanwhile, each jet pump works to inject water into the flow gathering cover for dilution through the corresponding jet nozzle, the fragment particles and the water form mud under the stirring of each stirring head, and the pumping end of the sand pumping pump pumps the mud in the flow gathering cover, so that the mud is discharged through the discharge end and conveyed to a shore mortar collecting device for treatment through a sand discharging pipe; in the sand pumping process, negative pressure is formed inside the sand pumping pump, water outside the sand pumping cover can wash out sediment, the sediment enters the sand pumping pump through each rectangular notch of the skirt edge structure of the sand pumping cover to form mud inside the sand pumping cover, the periphery of the sand pumping cover can form a slope pit body, the slope pit body gradually deepens along with the descending of the sand pumping device, continuous sand pumping is realized, and hardened sediment can be well cleaned.
10. The full-automatic sand pumping method of the sand sedimentation tank of claim 9, wherein the method comprises the following steps: the specific construction process of the step (4) is as follows: closing the sediment disturbance sand pumping device, starting an electric hoist to lift the sediment disturbance sand pumping device, then enabling cables on four winches to be folded and unfolded differently through controlling an operation computer, moving the water movable fixed-point sand pumping platform to the bank, closing a power supply, sequentially dismantling the flexible sediment discharge device, the sediment disturbance sand pumping device, a control cabinet, the winches and the portal frame, transporting all equipment parts to a storage point, and completing the whole sand pumping operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310229402.8A CN116378145A (en) | 2023-03-10 | 2023-03-10 | Full-automatic sand pumping method for sand sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310229402.8A CN116378145A (en) | 2023-03-10 | 2023-03-10 | Full-automatic sand pumping method for sand sedimentation tank |
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| Publication Number | Publication Date |
|---|---|
| CN116378145A true CN116378145A (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310229402.8A Pending CN116378145A (en) | 2023-03-10 | 2023-03-10 | Full-automatic sand pumping method for sand sedimentation tank |
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| Country | Link |
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| CN (1) | CN116378145A (en) |
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2023
- 2023-03-10 CN CN202310229402.8A patent/CN116378145A/en active Pending
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