CN201437597U - Device for improving stowed mud concentration of high drag suction dredger - Google Patents
Device for improving stowed mud concentration of high drag suction dredger Download PDFInfo
- Publication number
- CN201437597U CN201437597U CN 200920075039 CN200920075039U CN201437597U CN 201437597 U CN201437597 U CN 201437597U CN 200920075039 CN200920075039 CN 200920075039 CN 200920075039 U CN200920075039 U CN 200920075039U CN 201437597 U CN201437597 U CN 201437597U
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- Prior art keywords
- hydrocyclone
- mud
- concentration
- tube
- hydrocyclones
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- Expired - Lifetime
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Abstract
The utility model discloses a device for improving the stowed mud concentration of a high drag suction dredger, which relates to the mud stowing equipment of the drag suction dredger; the technical problem to be solved is to provide a device for improving the stowed mud concentration of the high drag suction dredger; the device for improving the stowed mud concentration of the high drag suction dredger comprises a mud suction tube, a mud pump, a mud discharge tube, an overflow tube and hydrocyclones; the upper part of each hydrocyclone is in a cylindrical tube shape, and the lower part is in a conical tube shape; the upper part of the hydrocyclone is provided with a feed opening which is connected with the tube wall along the tangential direction of the cylindrical tube; the lower part of the conical tube of the hydrocyclone is provided with a bottom flow port; the center of the top cover of the hydrocyclone is provided with an overflow port; the device for improving the stowed mud concentration of the high drag suction dredger is characterized in that a plurality of hydrocyclones are uniformly distributed above a mud hatch, and the uniformly distributed hydrocyclones are connected in parallel and fixed by a support on a deck; the feed openings of the hydrocyclones are respectively communicated with the mud discharge tube of the mud pump; and the overflow ports of the hydrocyclones are communicated with the overflow tube of the dredger. The device for improving the stowed mud concentration of the high drag suction dredger is applicable to the mud stowing equipment of the drag suction dredger.
Description
Technical field
The utility model relates to the mud stowage equipment that dredge boat is used.
Background technology
The stowage process of existing trailing suction hopper dredger is divided into stowage stage and overflow stage.The mud that the stowage stage is excavated dredging plant by dredge pump is in mud pipe is delivered to spoil hopper, the height of mud reaches the height of bleed off pipe in the cabin, just enter the overflow stage subsequently, because the slurry transportation that dredge pump continues to be excavated is in spoil hopper, coarse granule silt particle in the mud is deposited in the spoil hopper gradually, and water that can not deposit and low concentration mud then overflow out of my cabin by bleed off pipe.Through overflow, improved the concentration of tote in the spoil hopper to a certain extent, therefore, press over system is that dredge boat improves stowage concentration of hydraulic mixture method commonly used in ship dredging construction.
But the stowage press over system no longer is economically viable method when dredging fine grained silt particle.Because when dredging fine grained silt particle, because the mud turbulent fluctuation in the spoil hopper makes the fine grained silt particle be difficult to deposition.Carrying out along with flooding process, through bleed off pipe overflow out of my cabin concentration of hydraulic mixture no better than dredge pump be delivered into the concentration of hydraulic mixture in cabin, obviously it is uneconomical to continue dredging, the prolongation of time does not improve the concentration of dredge boat stowage mud because dredge, and causes huge waste on the contrary on human and material resources and financial resources.A large amount of overflows also cause adverse influence to environment, the mud that overflows can improve the turbidity in construction waters greatly, the ecosystem is caused adverse influence, especially when the contaminated silt particle of dredging, the pollutant that enters water body by overflow spreads under the effect of current or morning and evening tides, causes secondary pollution in wider waters.
The utility model content
The utility model technical issues that need to address provide a kind of device that improves the concentration of hydraulic mixture of trailing suction hopper dredger stowage.
The technical solution of the utility model adopts dredging tube, dredge pump, mud pipe, bleed off pipe, hydrocyclone, hydrocyclone top becomes cylindrical tube shape, the bottom becomes the circular cone tubular, the charging aperture that links to each other with barrel along the cylindrical drum tangential direction is arranged at hydrocyclone top, underflow opening is arranged at the circular cone tube bottom of hydrocyclone, there is overfall in the top cover central authorities of hydrocyclone, it is characterized in that uniform a plurality of hydrocyclones above the spoil hopper mouth, and these equally distributed hydrocyclone parallel connections, and fix with the support that is located on the deck, the charging aperture of each hydrocyclone is communicated with the mud pipe of dredge pump respectively, and the overfall of each hydrocyclone is communicated with the bleed off pipe of dredge boat.Mud injects each hydrocyclone by the charging aperture of mud pipe and each hydrocyclone after the dredge pump supercharging, each hydrocyclone concentrates, separates mud, the higher mud of concentration enters in the spoil hopper from the underflow opening of each hydrocyclone, and most of water and fines silt particle are discharged outboard through the overfall of each hydrocyclone.
The utility model concentrates mud with hydrocyclone in parallel and separates, not only solved the low and big difficult problem of spill losses of efficient of shipping when trailing suction hopper dredger excavates the fine grained silt particle, and reduce spill losses, the shortening stowage time in the stowage process and make and load equilibrium, improve the unit interval useful load and reduce folk prescription dredging cost, can make the existing overflow stowage of the stowage efficient efficient of trailing suction hopper dredger improve 1-2 doubly; The secondary pollution that can also avoid simultaneously overflow mud that water body around the dredge boat is caused.The utility model is adapted at trailing suction hopper dredger and uses.
Description of drawings
Fig. 1 is dredge boat is carried out the mud stowage by a plurality of hydrocyclone parallel connections a schematic diagram.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of hydrocyclone.
The specific embodiment
The utility model (seeing accompanying drawing) adopts dredging tube 2, dredge pump 3, mud pipe 4, bleed off pipe 9, hydrocyclone 5; Hydrocyclone 5 tops become cylindrical tube shape 11, bottom to become circular cone tubular 12, the charging aperture 13 that links to each other with barrel along the cylindrical drum tangential direction is arranged at hydrocyclone top, underflow opening 6 is arranged at the circular cone tube bottom of hydrocyclone, and there is overfall 7 in the top cover central authorities of hydrocyclone; Uniform 3～200 hydrocyclones above 8 mouthfuls of the spoil hoppers of dredge boat 1 according to the quantity of dredge pump flow increase and decrease hydrocyclone, and these equally distributed hydrocyclone parallel connections, and are fixed with the support that is located on the deck; The charging aperture 13 of each hydrocyclone is communicated with the mud pipe 4 of dredge pump respectively, and mud pipe 4 is equipped with valve 10, and the overfall of each hydrocyclone is communicated with the bleed off pipe of dredge boat.
Mud passes through mud pipe 4 after dredge pump 3 superchargings, the charging aperture 13 of hydrocyclone injects hydrocyclone 5 along hydrocyclone cylindrical drum tangential direction, utilize the flow field of rotation at a high speed, the big sand grains of density is under the rotational flow field action of centrifugal force in the mud, move downward along barrel, water that density is little and fines silt particle are to the central axis ascending motion, hydrocyclone concentrates and separating treatment mud, enter in the spoil hopper 8 from the underflow opening 6 of hydrocyclone through concentrating the mud higher, and most of water and fines silt particle pass through the overfall 7 of hydrocyclone and the bleed off pipe 9 discharge outboards that are connected with separating back concentration.
Claims (3)
1. device that improves trailing suction hopper dredger stowage concentration of hydraulic mixture, adopt dredging tube, dredge pump, mud pipe, bleed off pipe, hydrocyclone, hydrocyclone top becomes cylindrical tube shape, the bottom becomes the circular cone tubular, the charging aperture that links to each other with barrel along the cylindrical drum tangential direction is arranged at hydrocyclone top, underflow opening is arranged at the circular cone tube bottom of hydrocyclone, there is overfall in the top cover central authorities of hydrocyclone, it is characterized in that uniform a plurality of hydrocyclones above the spoil hopper mouth, and these equally distributed hydrocyclone parallel connections, and fix with the support that is located on the deck, the charging aperture of each hydrocyclone is communicated with the mud pipe of dredge pump respectively, and the overfall of each hydrocyclone is communicated with the bleed off pipe of dredge boat.
2. a kind of device that improves trailing suction hopper dredger stowage concentration of hydraulic mixture according to claim 1 is characterized in that 3～200 hydrocyclones of spoil hopper mouth top distribution.
3. a kind of device that improves trailing suction hopper dredger stowage concentration of hydraulic mixture according to claim 1 is characterized in that mud pipe is equipped with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920075039 CN201437597U (en) | 2009-07-21 | 2009-07-21 | Device for improving stowed mud concentration of high drag suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920075039 CN201437597U (en) | 2009-07-21 | 2009-07-21 | Device for improving stowed mud concentration of high drag suction dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437597U true CN201437597U (en) | 2010-04-14 |
Family
ID=42399573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920075039 Expired - Lifetime CN201437597U (en) | 2009-07-21 | 2009-07-21 | Device for improving stowed mud concentration of high drag suction dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474033A (en) * | 2020-11-05 | 2021-03-12 | 阜新工大矿物加工利用科技有限公司 | Coal slime pre-desliming and sorting process |
| CN114991243A (en) * | 2022-06-23 | 2022-09-02 | 中交广州航道局有限公司 | Construction method for clay bow blowing of trailing suction ship |
-
2009
- 2009-07-21 CN CN 200920075039 patent/CN201437597U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474033A (en) * | 2020-11-05 | 2021-03-12 | 阜新工大矿物加工利用科技有限公司 | Coal slime pre-desliming and sorting process |
| CN114991243A (en) * | 2022-06-23 | 2022-09-02 | 中交广州航道局有限公司 | Construction method for clay bow blowing of trailing suction ship |
| CN114991243B (en) * | 2022-06-23 | 2023-09-29 | 中交广州航道局有限公司 | Construction method for clay bow blowing of trailing suction hopper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SDC Waterway Construction Co., Ltd. Assignor: Shanghai Waterway Engineering Design and Consulting Co., Ltd. Contract record no.: 2011990000177 Denomination of utility model: Device for improving stowed mud concentration of high drag suction dredger Granted publication date: 20100414 License type: Exclusive License Record date: 20110323 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |
|
| CX01 | Expiry of patent term |