CN213572127U - Dredged sand purification and high-concentration charging and refuting system - Google Patents
Dredged sand purification and high-concentration charging and refuting system Download PDFInfo
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- CN213572127U CN213572127U CN202022296383.5U CN202022296383U CN213572127U CN 213572127 U CN213572127 U CN 213572127U CN 202022296383 U CN202022296383 U CN 202022296383U CN 213572127 U CN213572127 U CN 213572127U
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Abstract
The invention relates to the technical field of dredging construction, and discloses a dredged sand purification and high-concentration loading and plugging system, which comprises a loading and plugging platform, a mud inlet pipe, a mud inlet branch pipe, a hydrocyclone, a sand chute, a control valve, a pressure sensor and a control device, wherein the loading and plugging platform is connected with the mud inlet pipe; the mud inlet pipes are longitudinally arranged along the loading and barge platform, a plurality of mud inlet branch pipes are arranged on the mud inlet pipes, the mud inlet branch pipes respectively face two sides of the loading and barge platform, the mud inlet branch pipes are provided with control valves, outlets of the mud inlet branch pipes are connected with a hydrocyclone, and an inlet of the hydrocyclone is provided with a control valve and a pressure sensor; the sand sliding groove is arranged below the sand outlet of the hydrocyclone, and one end of the sand sliding groove extends out of the outboard and is obliquely arranged; an outlet of an overflow pipe of the hydrocyclone is connected to the bottom of the ship of the loading and barge platform; the control device is connected with the pressure sensor and the control valve. The invention has the advantages that: the platform has wide application range; the environment-friendly operation is realized; the mud content of the dredged sand is less than 3 percent, and the quality of the dredged sand is improved; the concentration of the dredged sand loaded and refuted through the mud sliding groove reaches 60-80%, and the loading efficiency of deep-cabin refuting is improved.
Description
Technical Field
The invention belongs to the field of dredging construction, and particularly relates to a dredging sand purification and high-concentration charging and discharging system.
Background
In 25 months 3 in 2020, fifteen committees of the state jointly issue guidance opinions about promoting the healthy and orderly development of the sandstone industry, and the guidance opinions require the comprehensive reutilization of the channel dredging sand to be increased, and the comprehensive utilization and trial experience of popularization is summarized in time. At present, a dredging sand loading and barge mode adopts a deep-cabin barge self-overflow mode, and slurry is generally conveyed to a loading and barge platform by a trailing suction ship or a cutter suction ship through a floating pipe, and then the loading and barge platform conveys the slurry to the deep-cabin barge. The deep bay barge is a ship for conveying dredged sand back and forth, sails to a wharf after being fully loaded, and brings the dredged sand to the shore. The concentration of slurry received by the current deep bin barge is low, about 30 percent, so that the effective loading rate of the deep bin barge is low, more deep bin barges need to be allocated for matching and transferring, and after the dredged sand is landed, impurities such as soil and the like are contained, the quality of the dredged sand is reduced, the standard of the engineering sand cannot be met, and the water content is high, so that the sale price of the dredged sand is seriously reduced. And because slurry in the deep hold barge cabin is turbulent, fine particles of silt are difficult to deposit, the loading capacity is improved by overflowing and draining water above the deep hold barge cabin enclosure while loading and barge, a large amount of overflow containing the fine particles of silt causes adverse effects on the environment, and the overflowing slurry can greatly improve the turbidity of a construction water area and damage an ecosystem.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a dredged sand purification and high-concentration loading and unloading system.
In order to achieve the above object, the present invention is achieved by the following means.
A dredged sand purification and high-concentration charging and discharging system comprises a charging and discharging platform, a mud inlet pipe, mud inlet branch pipes, a hydraulic cyclone, a sand chute, a control valve, a pressure sensor and a control device; the mud inlet pipes are longitudinally arranged along the loading and barge platform, a plurality of mud inlet branch pipes are arranged on the mud inlet pipes, the mud inlet branch pipes respectively face two sides of the loading and barge platform, the mud inlet branch pipes are provided with control valves, outlets of the mud inlet branch pipes are connected with a hydrocyclone, an inlet of the hydrocyclone is provided with the control valve, and a pressure sensor is arranged on the hydrocyclone; the sand sliding groove is arranged below the sand outlet of the hydrocyclone, and one end of the sand sliding groove extends out of the outboard and is obliquely arranged; the outlet of the hydraulic cyclone is connected with an overflow pipe, and the outlet of the overflow pipe is connected to the bottom plate of the ship of the barge platform; the control device is connected with the pressure sensor and the control valve. Hydrocyclones are heterogeneous separation devices that can be used for the separation of sand from water. The sand grains with high density in the silt move downwards along the axial direction under the action of the rotating flow field, move outwards along the radial direction and are discharged from the bottom sand outlet, and the water with low density and the mud with small particles move towards the central axis direction, form an internal rotational flow moving upwards in the center of the axis and are discharged from the overflow port. The mud is conveyed to the hydrocyclone through the mud inlet pipe and the mud inlet branch pipe, the sand content of the sand outlet reaches 60-80% after separation, the mud content is reduced to be below 3%, the quality of the sand is improved, the mud can be simultaneously unloaded and refuted to the deep-cabin refutes berthed on two sides of the loading and refuting platform through the sand chute, the filling rate of the deep-cabin refutes is improved, and the dredging efficiency is improved. In addition, muddy water separated by the hydrocyclone is discharged to the bottom of the ship through the overflow pipe, so that turbidity of a construction water area is avoided, and a local ecological system is protected. The opening of the control valve is adjusted by the control device according to data returned by the pressure sensor, and the mud entering amount of each hydrocyclone is kept to be the same, so that the mud and sand unloading under the sand chute is the same, and the loading balance of the deep bay barge is ensured.
And furthermore, a guide plate is arranged under the sand outlet of the hydrocyclone, the guide plate is obliquely arranged, and the outlet end of the guide plate is higher than the inlet end of the sand chute.
And further, the mud inlet branch pipes are symmetrically distributed along two sides of the mud inlet pipe, a distribution pipe is arranged at the outlet end of each mud inlet branch pipe, and the distribution pipes are connected with 4-8 hydrocyclones in parallel to form a group. And a straight line or annular parallel connection mode is selected according to the area of the deck and the field installation space, and a plurality of hydraulic cyclones are combined, so that the sludge-sand separation treatment capacity is improved.
Furthermore, the sand sliding grooves are divided into a plurality of parts, the number of the sand sliding grooves is the same as that of the mud inlet branch pipes, and the sand sliding grooves are matched with each group of hydrocyclones.
Furthermore, a rotating shaft is arranged at the inlet end of the sand sliding groove, a lifting device is arranged on the charging platform, and the lifting device can enable the sand sliding groove to rotate along the rotating shaft. When the loading platform sails, the sand sliding groove is folded, the profile width is reduced, and the inclination angle of the sand sliding groove can be adjusted during use.
Further the lifting device is a winch, a wire rope or a hydraulic cylinder, a piston device. A winch and a steel cable are used, the steel cable is connected with the outlet end of the sand slipping groove, and the sand slipping groove is hoisted or lowered by winding and unwinding the steel cable through the winch; and a hydraulic cylinder and a piston are used, the piston is propped against the lower part of the sand slipping groove, and the piston is pushed and pulled to lift or lower the sand slipping groove through the hydraulic cylinder.
Furthermore, a connecting plate is arranged between the guide plate and the sand slide groove, one side of the connecting plate is provided with a rotating shaft which is positioned at the lower side of the outlet of the guide plate, the other side opposite to the rotating shaft is positioned at the upper side of the inlet of the sand slide groove, and the bottom of the connecting plate is hung with a heavy hammer. The swift current sand tank is because of keeping the space between rotation needs and the deflector, for making the silt downslide in-process not drop from the space, increases the connecting plate that can follow the linkage of swift current sand tank rotation direction between deflector and swift current sand tank, in order to ensure that the swift current sand tank transfers when connecting plate one leads to the downturn, hangs at the connecting plate bottom and establishes the weight.
Has the advantages that: compared with the prior art, the invention has the advantages that:
1) the application range is wide, and the device can be applied to various engineering ships such as a trailing suction ship, a cutter suction ship, a sucker ship and a sand suction ship;
2) the dredging sand of the dredger is purified, the mud content of the dredged sand loaded with the dredger is ensured to be less than 3%, and the quality of the dredged sand is improved;
3) the concentration of the dredged sand loaded and refuted through the mud sliding groove reaches 60-80%, the loading efficiency of the deep bay refuge is improved, and the using amount of the deep bay refuge is reduced;
4) and the water overflows to the bottom of the ship, so that the environment-friendly operation is realized, and the pollution to the water body is reduced to the minimum.
Drawings
FIG. 1 is a schematic plan view of a system for purifying dredged sand and loading and unloading high concentration sand;
FIG. 2 is a partial enlarged view of a hydrocyclone unit;
FIG. 3 is a schematic cross-sectional view of a system for cleaning and highly concentrating dredged sand according to example 1;
FIG. 4 is a partial enlarged view of the connection plate;
FIG. 5 is a schematic cross-sectional view of a system for cleaning and highly concentrating dredged sand and performing barge according to example 2;
FIG. 6 is a schematic plan view of a system for purifying dredged sand and loading and unloading high concentration in example 3;
the device comprises a loading platform 1, a mud inlet pipe 2, a mud inlet branch pipe 3, a hydrocyclone 4, a sand outlet 5, a control valve 6, a clear liquid outlet 7, an overflow pipe 8, a pressure sensor 9, a guide plate 10, a sand chute 11, a rotating shaft 12, a winch 13, a steel cable 14, a hydraulic cylinder 15, a piston 16, a connecting plate 17, a rotating shaft 18, a heavy hammer 19, a distribution pipe 20 and a deep cabin barge 21.
Detailed Description
The present invention will be described in further detail with reference to examples. The raw materials used in the invention are all commercial products.
Example 1
As shown in fig. 1 to 4, a dredged sand purification and high concentration charging and discharging system comprises a charging and discharging platform 1, a mud inlet pipe 2, a mud inlet branch pipe 3, a hydrocyclone 4, a sand chute 11, a control valve 6, a pressure sensor 9 and a control device. The mud inlet pipes 2 are longitudinally arranged along the center of the loading barge platform 1, the 8 mud inlet branch pipes 3 are arranged on the mud inlet pipes 2 and symmetrically distributed along the two sides of the mud inlet pipes 2, the mud inlet branch pipes 3 respectively face two sides of the loading barge platform 1, and the mud inlet branch pipes 3 are provided with control valves 6. The outlet of the mud inlet branch pipe 3 is connected with a distribution pipe 20, and 4-8 hydrocyclones 4 are connected on the distribution pipe 20 in parallel. The inlet of the hydraulic cyclone 4 is provided with a control valve 6, and a pressure sensor 9 is arranged on the hydraulic cyclone 4. A guide plate 10 is arranged under the sand outlet 5 of each group of hydrocyclones 4, the guide plate 10 is arranged obliquely, a sand slide groove 11 is arranged at the outlet end of the guide plate 10, the outlet end of the guide plate 10 is higher than the inlet end of the sand slide groove 11, and the outlet end of the sand slide groove 11 extends out of the board and is arranged obliquely downwards. The inlet end of the sand chute 11 is provided with a rotating shaft 12, the loading platform 1 is provided with a winch 13 and a steel cable 14, and the steel cable 14 is connected with the sand chute 11. A connecting plate 17 is arranged between the guide plate 10 and the sand chute 11, one side of the connecting plate 17 is provided with a rotating shaft 18 which is positioned at the lower side of the outlet of the guide plate 10, the other side opposite to the rotating shaft is positioned at the upper side of the inlet of the sand chute 11, and a heavy hammer 19 is hung at the bottom of the connecting plate 17. And a clear liquid outlet 7 of the hydraulic cyclone 4 is connected with an overflow pipe 8, and an outlet of the overflow pipe 8 is connected to a bottom plate of the ship of the barge platform 1. The control device is connected to the pressure sensor 9 and the control valve 6. The unloading can be done simultaneously to 2 deep bays 21.
Example 2
As shown in fig. 5, a dredged sand purification and high concentration loading and unloading system comprises a loading and unloading platform 1, a mud inlet pipe 2, a mud inlet branch pipe 3, a hydrocyclone 4, a sand chute 11, a control valve 6, a pressure sensor 9 and a control device. The mud inlet pipes 2 are longitudinally arranged along the center of the loading barge platform 1, the 8 mud inlet branch pipes 3 are arranged on the mud inlet pipes 2 and symmetrically distributed along the two sides of the mud inlet pipes 2, the mud inlet branch pipes 3 respectively face two sides of the loading barge platform 1, and the mud inlet branch pipes 3 are provided with control valves 6. The outlet of the mud inlet branch pipe 3 is connected with a distribution pipe 20, and 4-8 hydrocyclones 4 are connected on the distribution pipe 20 in parallel. The inlet of the hydraulic cyclone 4 is provided with a control valve 6, and a pressure sensor 9 is arranged on the hydraulic cyclone 4. A guide plate 10 is arranged under the sand outlet 5 of each group of hydrocyclones 4, the guide plate 10 is arranged obliquely, a sand slide groove 11 is arranged at the outlet end of the guide plate 10, the outlet end of the guide plate 10 is higher than the inlet end of the sand slide groove 11, and the outlet end of the sand slide groove 11 extends out of the board and is arranged obliquely downwards. The inlet end of the sand chute 11 is provided with a rotating shaft 12, the loading platform 1 is provided with a hydraulic cylinder 15 and a piston 16, and the piston 16 props against the lower part of the sand chute 11. A connecting plate 17 is arranged between the guide plate 10 and the sand chute 11, one side of the connecting plate 17 is provided with a rotating shaft 18 which is positioned at the lower side of the outlet of the guide plate 10, the other side opposite to the rotating shaft is positioned at the upper side of the inlet of the sand chute 11, and a heavy hammer 19 is hung at the bottom of the connecting plate 17. And a clear liquid outlet 7 of the hydraulic cyclone 4 is connected with an overflow pipe 8, and an outlet of the overflow pipe 8 is connected to a bottom plate of the ship of the barge platform 1. The control device is connected to the pressure sensor 9 and the control valve 6. The unloading can be done simultaneously to 2 deep bays 21.
Example 3
As shown in fig. 6, a dredged sand purification and high concentration loading and unloading system comprises a loading and unloading platform 1, a mud inlet pipe 2, a mud inlet branch pipe 3, a hydrocyclone 4, a sand chute 11, a control valve 6, a pressure sensor 9 and a control device. The mud inlet pipes 2 are longitudinally arranged along the center of the loading barge platform 1, the 16 mud inlet branch pipes 3 are arranged on the mud inlet pipes 2 and symmetrically distributed along the two sides of the mud inlet pipes 2, the mud inlet branch pipes 3 respectively face two sides of the loading barge platform 1, and the mud inlet branch pipes 3 are provided with control valves 6. The outlet of the mud inlet branch pipe 3 is connected with a distribution pipe 20, and 4-8 hydrocyclones 4 are connected on the distribution pipe 20 in parallel. The inlet of the hydraulic cyclone 4 is provided with a control valve 6, and a pressure sensor 9 is arranged on the hydraulic cyclone 4. A guide plate 10 is arranged under the sand outlet 5 of each group of hydrocyclones 4, the guide plate 10 is arranged obliquely, a sand slide groove 11 is arranged at the outlet end of the guide plate 10, the outlet end of the guide plate 10 is higher than the inlet end of the sand slide groove 11, and the outlet end of the sand slide groove 11 extends out of the board and is arranged obliquely downwards. The inlet end of the sand chute 11 is provided with a rotating shaft 12, the loading platform 1 is provided with a winch 13 and a steel cable 14, and the steel cable 14 is connected with the sand chute 11. A connecting plate 17 is arranged between the guide plate 10 and the sand chute 11, one side of the connecting plate 17 is provided with a rotating shaft 18 which is positioned at the lower side of the outlet of the guide plate 10, the other side opposite to the rotating shaft is positioned at the upper side of the inlet of the sand chute 11, and a heavy hammer 19 is hung at the bottom of the connecting plate 17. And a clear liquid outlet 7 of the hydraulic cyclone 4 is connected with an overflow pipe 8, and an outlet of the overflow pipe 8 is connected to a bottom plate of the ship of the barge platform 1. The control device is connected to the pressure sensor 9 and the control valve 6. The unloading can be carried out simultaneously to 4 deep bays 21.
The present invention has been described in terms of the above embodiments, and it should be understood that the above embodiments are not intended to limit the present invention in any way, and all technical solutions obtained by using equivalents or equivalent changes fall within the protection scope of the present invention.
Claims (7)
1. A dredged sand purification and high-concentration charging and discharging system is characterized by comprising a charging and discharging platform, a mud inlet pipe, mud inlet branch pipes, a hydrocyclone, a sand chute, a control valve, a pressure sensor and a control device; the mud inlet pipes are longitudinally arranged along the loading and barge platform, a plurality of mud inlet branch pipes are arranged on the mud inlet pipes, the mud inlet branch pipes respectively face two sides of the loading and barge platform, the mud inlet branch pipes are provided with control valves, outlets of the mud inlet branch pipes are connected with a hydrocyclone, an inlet of the hydrocyclone is provided with the control valve, and a pressure sensor is arranged on the hydrocyclone; the sand sliding groove is arranged below the sand outlet of the hydrocyclone, and one end of the sand sliding groove extends out of the outboard and is obliquely arranged; an outlet of an overflow pipe of the hydrocyclone is connected to the bottom of the ship of the loading and barge platform; the control device is connected with the pressure sensor and the control valve.
2. A dredged sand purification and high concentration charging system according to claim 1, wherein a guide plate is arranged right below the sand outlet of the hydrocyclone, the guide plate is arranged obliquely, and the outlet end of the guide plate is higher than the inlet end of the sand chute.
3. A dredged sand purification and high concentration charging and discharging system as claimed in claim 2, wherein the mud inlet branch pipes are symmetrically distributed along two sides of the mud inlet pipe, the outlet end of each mud inlet branch pipe is provided with a distribution pipe, and the distribution pipes are connected in parallel with 4-8 hydrocyclones to form a group.
4. A dredged sand purification and high concentration charging system according to claim 3, wherein the sand chute is divided into a plurality of sand chutes, the number of which is the same as that of the mud inlet branch pipes, and the sand chutes are matched with each group of hydrocyclones.
5. A dredged sand purification and high concentration charging and discharging system as claimed in claim 4, wherein the inlet end of the sand chute is provided with a rotating shaft, and the charging and discharging platform is provided with a lifting device which can enable the sand chute to rotate along the rotating shaft.
6. Dredged sand purification and high consistency loading system according to claim 5, characterized in that said lifting means are winches, wire ropes or hydraulic cylinders, piston means.
7. A system for cleaning and loading dredged sand and high concentration according to claim 5, wherein a connecting plate is arranged between the guide plate and the sand chute, one side of the connecting plate is provided with a rotating shaft which is positioned at the lower side of the outlet of the guide plate, the other side of the connecting plate is positioned at the upper side of the inlet of the sand chute, and the bottom of the connecting plate is hung with a heavy hammer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374075A (en) * | 2023-03-15 | 2023-07-04 | 中交广州航道局有限公司 | Environment-friendly screening tower with annular hopper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374075A (en) * | 2023-03-15 | 2023-07-04 | 中交广州航道局有限公司 | Environment-friendly screening tower with annular hopper |
| CN116374075B (en) * | 2023-03-15 | 2024-04-09 | 中交广州航道局有限公司 | Marine screening tower |
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