CN209837138U - Device for improving concentration of silt in loading cabin of trailing suction hopper dredger - Google Patents
Device for improving concentration of silt in loading cabin of trailing suction hopper dredger Download PDFInfo
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- CN209837138U CN209837138U CN201920525333.4U CN201920525333U CN209837138U CN 209837138 U CN209837138 U CN 209837138U CN 201920525333 U CN201920525333 U CN 201920525333U CN 209837138 U CN209837138 U CN 209837138U
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Abstract
The utility model belongs to the technical field of the dredge, concretely relates to improve device of trailing suction dredge shipment silt concentration, including separator and the overflow arrangement who locates in the silt cabin, the middle part of hull is located in the silt cabin, the prelude of hull still is provided with the rake head, the rake head passes through silt conveyor intercommunication with the silt cabin, the junction in silt conveyor and silt cabin is located to the separator, can dismantle on the upper portion in silt cabin and be provided with overflow arrangement. The utility model discloses a set up separator and overflow arrangement, the separator is used for carrying out the preliminary separation with silt and the water that come in the extraction, improves the concentration of silt in the silt cabin, and overflow arrangement is used for taking the water in the silt cabin out and prevents simultaneously taking silt out when taking water out, has the effect of certain separation silt and water, further improves the concentration of silt in the silt cabin.
Description
Technical Field
The utility model belongs to the technical field of the dredge, concretely relates to improve device of trailing suction dredge shipment silt concentration.
Background
The dredger is a dredger which is responsible for clearing water channels and river silt so that other ships can smoothly pass through the dredger and is widely applied to dredging engineering.
The loading process of the existing dredger is divided into a loading stage and an overflow stage. In the loading stage, slurry dug by dredging equipment is conveyed into the slurry cabin by the mud pump through the mud discharge pipe until the height of the slurry in the cabin reaches the height of the overflow pipe, and then the slurry enters the overflow stage. The concentration of the loaded objects in the mud tank is improved to a certain extent through overflow, so that the overflow method is a common method for improving the concentration of the loaded silt in the tank in dredging construction of a dredger.
However, the cabin overflow method is no longer an economically viable method for dredging fine particle silt. Because when fine-grained silt is dredged, the fine-grained silt is difficult to deposit due to the turbulence of the slurry in the silt chamber. Along with the overflow process, the concentration of the silt overflowing out of the cabin through the overflow pipe is almost equal to the concentration of the silt conveyed into the cabin by the dredge pump, obviously, the dredging is uneconomical continuously, because the concentration of the mud loaded in the cabin of the dredger is not improved by prolonging the dredging time, and huge waste is caused on the aspects of manpower, material resources and financial resources. The large amount of overflow also has adverse effects on the environment, the slurry overflowing can greatly improve the turbidity of the construction water area, and has adverse effects on the ecological system, especially when polluted silt is dredged, the pollutants entering the water body through overflow are diffused under the action of water flow or tide, and secondary pollution is caused in a wider range of water areas.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a device for improving the concentration of silt in the loading cabin of a trailing suction hopper dredger.
The utility model discloses the technical scheme who adopts does: the utility model provides an improve device of trailing suction hopper dredger shipment silt concentration, is including locating separator and the overflow arrangement in silt cabin, the middle part of hull is located in silt cabin, the prelude of hull still is provided with the rake head, the rake head passes through silt conveyor intercommunication with silt cabin, the junction in silt conveyor and silt cabin is located to the separator, can dismantle on the upper portion in silt cabin and be provided with overflow arrangement.
Further, silt conveyor includes dredge pipe, dredge pump and conveyer pipe, the dredge pump is fixed on the connecting rod of being connected with the hull rotation, dredge pump input and dredge pipe intercommunication, the dredge pump output is because the conveyer pipe intercommunication, the other end and the rake head of dredge pipe are connected, the other end of conveyer pipe is connected with the separator. Silt conveyor is used for carrying silt under-deck with the silt of digging out, enough suction has in order to guarantee, be provided with the dredge pump in the silt conveyor, for fixed dredge pump, be provided with the connecting rod on the hull, fix the dredge pump on the connecting rod, the suction pipe is connected at the input of dredge pump, the rake head is connected at the other end of suction pipe, be convenient for suck up silt from the river, output at the dredge pump is connected with the conveyer pipe, the conveyer pipe carries silt under-deck with the silt that the dredge pump was inhaled to the conveyer pipe, rotate the connecting rod and connect on the hull, be convenient for adjust the position in the aquatic of rake head, thereby adjust the depth of dredging or do not dig.
Further, be provided with the filter plate in the separator, the side of separator is provided with silt export, the bottom of separator is provided with the rivers export, the filter plate slope sets up, the lower one end of filter plate and the bottom parallel and level of silt export. The separator mainly used carries out prefilter with the silt of conveyer pipe output, in order to reduce the water in the silt, improve the concentration of silt, set up the filter plate in the separator, and set up the filter plate slope, side at the separator is provided with the silt export, bottom at the separator is provided with the rivers export, when the silt of discharging falls on the filter plate in the conveyer pipe, water filters out from the filter plate, then the rivers export discharge along the separator bottom, silt exports corresponding silt along the filter plate roll-off, the lower one end of filter plate and the bottom parallel and level of silt export, guarantee that all silt on the filter plate can all follow the silt export and discharge, the thickness of silt can be decided according to actual conditions in the big or small selection of filtration pore on the filter plate.
Further, overflow arrangement includes support frame, swash plate, water pump, check valve and honeycomb duct, the support frame can be dismantled and connect in silt under-deck, evenly be provided with a plurality of swash plates in the support frame, be provided with the water pump in the support frame, the output of water pump is connected with the honeycomb duct, be provided with the check valve in the honeycomb duct. Because the separator can not completely ensure that the separated silt does not contain water, when a large amount of silt is accumulated in the silt chamber, a part of water is stored in the silt chamber, the overflow device mainly discharges the part of water from the silt chamber, the support frame is mainly used for supporting parts on the whole device, the inclined plates have certain precipitation effect and simultaneously prevent the silt from being pumped out when water is pumped out, the water pump is used for providing pumping power when water is pumped out, the water pumped out is discharged out of the silt chamber by the guide pipe, the check valve prevents the water from flowing back into the silt chamber through the guide pipe, the inclined plates are uniformly arranged in the support frame, and simultaneously the projections of the two adjacent inclined plates on the horizontal plane are ensured to have certain overlap, and the silt and the water can form layering because the density of the silt is higher than that of the water, the bottom ends of the inclined plates are positioned at the layering position, so that, simultaneously, the water in the upper layer is pumped out. In order to fix the support frame, a plurality of supporting blocks are arranged on the inner wall of the sediment cabin, so that the support frame is supported, and meanwhile, the overflow device is convenient to take out.
Furthermore, a winch is arranged on the ship body, and a pull rope on the winch is connected to the connecting rod. Because the position of the drag head needs to be adjusted so as to adjust the dredging depth, the drag head is fixedly connected onto the connecting rod, the position of the drag head can be adjusted by adjusting the position of the connecting rod, the connecting rod is rotatably connected onto the ship body, a winch is arranged on the ship body, a pull rope on the winch is connected onto the connecting rod, the length of the pull rope is shortened and shortened through the winch, the rotation of the connecting rod can be controlled, and the drag head is driven to rotate.
Furthermore, the conveying pipe is provided with a supporting rod, and the supporting rod is fixedly arranged on the ship body. Because the conveying pipe is long, the conveying pipe is generally made of materials such as rubber or polyethylene, and in order to ensure that the conveying pipe has certain strength, a supporting rod is arranged on the conveying pipe and is fixedly arranged on the ship body.
Furthermore, a plurality of separators are arranged on the conveying pipe, a valve is arranged on the conveying pipe between every two adjacent separators, and water outlets on the separators are communicated through a water discharge pipe. Set up a plurality of separators and can separate silt and water more efficiently on the conveyer pipe, and can separate into a plurality of cabins with the silt cabin, set up every separator in the inboard that corresponds, be provided with the valve on the conveyer pipe between two adjacent separators, can control silt and specifically discharge from which separator, thereby make the silt in every cabin carry out certain sediment, be convenient for separate water and silt better, the rivers export on the separator passes through the drain pipe intercommunication, be convenient for pass through the drain pipe with the water after separating and discharge, the play water end of drain pipe is located outside the hull.
Furthermore, the middle part of the connecting rod is fixedly provided with a connecting lug, and a pull rope of the winch is connected to the connecting lug. In order to facilitate the connection of the pull rope of the winch with the connecting rod, the middle part of the connecting rod is provided with a connecting lug, and the pull rope of the winch is connected to the connecting lug to realize the connection between the pull rope and the connecting rod.
The utility model has the advantages that:
the utility model discloses a set up separator and overflow arrangement, the separator is used for carrying out the preliminary separation with silt and the water that come in the extraction, improves the concentration of silt in the silt cabin, and overflow arrangement is used for taking the water in the silt cabin out and prevents simultaneously taking silt out when taking water out, has the effect of certain separation silt and water, further improves the concentration of silt in the silt cabin.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged schematic view of the separator of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
in the figure: 1, a ship body; 2-drag head; 3-a mud suction pipe; 4-a dredge pump; 5-a connecting rod; 6-connecting lugs; 8-a support bar; 9-a conveying pipe; 10-a valve; 11-a separator; 12-a filter plate; 13-a silt outlet; 14-a water flow outlet; 15-a drain pipe; 16-a silt chamber; 17-a support frame; 18-a sloping plate; 19-a support block; 20-a water pump; 21-a one-way valve; 22-a draft tube.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1-3, a device for improving concentration of silt in loading cabin of drag suction dredger, including separator 11 and overflow arrangement in the silt cabin, silt cabin 16 is located at the middle part of hull 1, the prelude of hull 1 still is provided with rake head 2, rake head 2 and silt cabin 16 communicate through silt conveying device, separator 11 is located silt conveying device and silt cabin 16's junction, can dismantle on silt cabin 16's upper portion and be provided with overflow arrangement.
The utility model discloses a set up separator 11 and overflow arrangement, separator 11 is used for carrying out the preliminary separation with silt and the water that the extraction came up, improves the concentration of silt in silt cabin 16, and overflow arrangement is used for taking the water in silt cabin 16 out and prevents simultaneously taking silt out when taking water out, has the effect of certain separation silt and water, further improves the concentration of silt in silt cabin 16.
Example 2:
as the utility model discloses an optimal technical scheme, on embodiment 1's basis, silt conveyor includes dredge pipe 3, dredge pump 4 and conveyer pipe 9, dredge pump 4 is fixed on rotating connecting rod 5 of being connected with hull 1, dredge pump 4 input and dredge pipe 3 intercommunication, dredge pump 4 output is because conveyer pipe 9 intercommunication, dredge pipe 3's the other end and drag head 2 are connected, conveyer pipe 9's the other end is connected with separator 11. Silt conveyor is used for carrying the silt of digging out in silt cabin 16, enough suction has in order to guarantee, be provided with dredge pump 4 in the silt conveyor, in order to fix dredge pump 4, be provided with connecting rod 5 on hull 1, dredge pump 4 is fixed on connecting rod 5, dredge pipe 3 is connected at the input of dredge pump 4, drag head 2 is connected at the other end of dredge pipe 3, it comes to be convenient for to inhale silt from the river, output at dredge pump 4 is connected with conveyer pipe 9, the silt that dredge pump 4 was inhaled to conveyer pipe 9 is carried silt cabin 16 in, rotate connecting rod 5 and connect on hull 1, be convenient for adjust the position in the aquatic of drag head 2, thereby adjust the depth of dredging or do not dig.
Be provided with filter plate 12 in the separator 11, the side of separator 11 is provided with silt export 13, the bottom of separator 11 is provided with water outlet 14, filter plate 12 slope sets up, the lower one end of filter plate 12 and the bottom parallel and level of silt export 13. Separator 11 mainly used carries out the prefiltering with the silt of conveyer pipe 9 output, in order to reduce the water in the silt, improve the concentration of silt, set up filter plate 12 in separator 11, and set up filter plate 12 slope, be provided with silt export 13 at the side of separator 11, be provided with water outlet 14 in separator 11's bottom, when the silt that discharges from in conveyer pipe 9 drops on filter plate 12, water filters out from filter plate 12, then discharge along water outlet 14 of separator 11 bottom, silt slides out corresponding silt export 13 along filter plate 12, the lower one end of filter plate 12 and the bottom parallel and level of silt export 13, guarantee that all silt on filter plate 12 can all discharge from silt export 13, the size of the filtration pore selection on filter plate 12 can be decided according to the thickness of silt in the actual conditions.
Example 3:
as the utility model discloses an it is preferred technical scheme, on embodiment 1's basis, overflow arrangement includes support frame 17, swash plate 18, water pump 20, check valve 21 and honeycomb duct 22, support frame 17 can dismantle the connection in silt cabin 16, evenly be provided with a plurality of swash plates 18 in the support frame 17, be provided with water pump 20 in the support frame 17, water pump 20's output is connected with honeycomb duct 22, be provided with check valve 21 in the honeycomb duct 22. Because the separator 11 can not completely ensure that the separated silt does not contain water, when a large amount of silt is accumulated in the silt chamber 16, a part of water is stored in the silt chamber 16, the overflow device mainly discharges the part of water from the silt chamber 16, the support frame 17 is mainly used for supporting parts on the whole device, the inclined plates 18 have certain sedimentation effect and simultaneously prevent the silt from being pumped out when water is pumped, the water pump 20 is used for providing pumping power when water is pumped out, the water pumped out is discharged out of the silt chamber 16 by the guide pipe 22, the check valve 21 prevents the water from flowing back into the silt chamber 16 through the guide pipe 22, the inclined plates 18 are uniformly arranged in the support frame 17, and simultaneously ensure that the projections of the two adjacent inclined plates 18 on the horizontal plane have certain overlap, and the density of the silt is higher than that of the water, so that the silt and the water can form a layer, and the bottom ends of the inclined plates 18, can prevent that silt from being taken out better, take out the water on upper strata simultaneously. In order to fix the support frame 17, a plurality of support blocks 19 are arranged on the inner wall of the silt chamber 16, so that the support frame 17 is supported, and the overflow device is convenient to take out.
Example 4:
as shown in fig. 1-3, a device for improving concentration of silt in loading cabin of drag suction dredger, including separator 11 and overflow arrangement in the silt cabin, silt cabin 16 is located at the middle part of hull 1, the prelude of hull 1 still is provided with rake head 2, rake head 2 and silt cabin 16 communicate through silt conveying device, separator 11 is located silt conveying device and silt cabin 16's junction, can dismantle on silt cabin 16's upper portion and be provided with overflow arrangement.
Silt conveyor is including inhaling dredge pipe 3, dredge pump 4 and conveyer pipe 9, dredge pump 4 is fixed on rotating connecting rod 5 of being connected with hull 1, dredge pump 4 input and dredge pipe 3 intercommunication, dredge pump 4 output is because conveyer pipe 9 intercommunication, the other end and the rake head 2 of dredge pipe 3 are connected, the other end of conveyer pipe 9 is connected with separator 11. Silt conveyor is used for carrying the silt of digging out in silt cabin 16, enough suction has in order to guarantee, be provided with dredge pump 4 in the silt conveyor, in order to fix dredge pump 4, be provided with connecting rod 5 on hull 1, dredge pump 4 is fixed on connecting rod 5, dredge pipe 3 is connected at the input of dredge pump 4, drag head 2 is connected at the other end of dredge pipe 3, it comes to be convenient for to inhale silt from the river, output at dredge pump 4 is connected with conveyer pipe 9, the silt that dredge pump 4 was inhaled to conveyer pipe 9 is carried silt cabin 16 in, rotate connecting rod 5 and connect on hull 1, be convenient for adjust the position in the aquatic of drag head 2, thereby adjust the depth of dredging or do not dig.
Be provided with filter plate 12 in the separator 11, the side of separator 11 is provided with silt export 13, the bottom of separator 11 is provided with water outlet 14, filter plate 12 slope sets up, the lower one end of filter plate 12 and the bottom parallel and level of silt export 13. Separator 11 mainly used carries out the prefiltering with the silt of conveyer pipe 9 output, in order to reduce the water in the silt, improve the concentration of silt, set up filter plate 12 in separator 11, and set up filter plate 12 slope, be provided with silt export 13 at the side of separator 11, be provided with water outlet 14 in separator 11's bottom, when the silt that discharges from in conveyer pipe 9 drops on filter plate 12, water filters out from filter plate 12, then discharge along water outlet 14 of separator 11 bottom, silt slides out corresponding silt export 13 along filter plate 12, the lower one end of filter plate 12 and the bottom parallel and level of silt export 13, guarantee that all silt on filter plate 12 can all discharge from silt export 13, the size of the filtration pore selection on filter plate 12 can be decided according to the thickness of silt in the actual conditions.
Overflow arrangement includes support frame 17, swash plate 18, water pump 20, check valve 21 and honeycomb duct 22, support frame 17 can dismantle the connection in silt cabin 16, evenly be provided with a plurality of swash plates 18 in the support frame 17, be provided with water pump 20 in the support frame 17, the output of water pump 20 is connected with honeycomb duct 22, be provided with check valve 21 in the honeycomb duct 22. Because the separator 11 can not completely ensure that the separated silt does not contain water, when a large amount of silt is accumulated in the silt chamber 16, a part of water is stored in the silt chamber 16, the overflow device mainly discharges the part of water from the silt chamber 16, the support frame 17 is mainly used for supporting parts on the whole device, the inclined plates 18 have certain sedimentation effect and simultaneously prevent the silt from being pumped out when water is pumped, the water pump 20 is used for providing pumping power when water is pumped out, the water pumped out is discharged out of the silt chamber 16 by the guide pipe 22, the check valve 21 prevents the water from flowing back into the silt chamber 16 through the guide pipe 22, the inclined plates 18 are uniformly arranged in the support frame 17, and simultaneously ensure that the projections of the two adjacent inclined plates 18 on the horizontal plane have certain overlap, and the density of the silt is higher than that of the water, so that the silt and the water can form a layer, and the bottom ends of the inclined plates 18, can prevent that silt from being taken out better, take out the water on upper strata simultaneously. In order to fix the support frame 17, a plurality of support blocks 19 are arranged on the inner wall of the silt chamber 16, so that the support frame 17 is supported, and the overflow device is convenient to take out.
The ship body 1 is provided with a winch, and a pull rope on the winch is connected to the connecting rod 5. The hoist is not shown in the drawing, and a hoist sold in the existing market can be directly used. Because the position of the drag head 2 needs to be adjusted so as to adjust the dredging depth, the drag head 2 is fixedly connected onto the connecting rod 5, the position of the drag head 2 can be adjusted by adjusting the position of the connecting rod 5, the connecting rod 5 is rotatably connected onto the ship body 1, a winch is arranged on the ship body 1, a pull rope on the winch is connected onto the connecting rod 5, the length of the pull rope is shortened and shortened through the winch, the rotation of the connecting rod 5 can be controlled, and the drag head 2 is driven to rotate.
The conveying pipe 9 is provided with a supporting rod 8, and the supporting rod 8 is fixedly arranged on the ship body 1. Since the conveying pipe 9 is long and is generally made of rubber or polyethylene and the like, in order to ensure a certain strength, the conveying pipe 9 is provided with a support rod 8, and the support rod 8 is fixedly arranged on the ship body 1.
The conveying pipe 9 is provided with a plurality of separators 11, a valve 10 is arranged on the conveying pipe 9 between two adjacent separators 11, and water outlets 14 on the separators 11 are communicated through a water discharge pipe 15. Set up a plurality of separators 11 on conveyer pipe 9 and can separate silt and water more efficiently, and can separate into a plurality of cabins with silt cabin 16, set up every separator 11 in the inboard that corresponds, be provided with valve 10 on conveyer pipe 9 between two adjacent separators 11, can control silt and specifically discharge from which separator 11, thereby make the silt in every cabin can carry out certain sediment, be convenient for separate water and silt better, pass through drain pipe 15 intercommunication with water outlet 14 on the separator 11, be convenient for discharge the water after the separation through drain pipe 15, the play water end of drain pipe 15 is located outside hull 1.
The middle part of the connecting rod 5 is fixedly provided with a connecting lug 6, and the pull rope of the winch is connected to the connecting lug 6. In order to facilitate the connection of the pull rope of the winch with the connecting rod 5, the middle part of the connecting rod 5 is provided with a connecting lug 6, and the pull rope of the winch is connected to the connecting lug 6 to realize the connection between the pull rope and the connecting rod 5.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (8)
1. The utility model provides an improve device of trailing suction hopper dredger shipment silt concentration, is including locating separator (11) and overflow arrangement in silt cabin (20), the middle part of hull (1) is located in silt cabin (20), the prelude of hull (1) still is provided with drag head (2), drag head (2) and silt cabin (20) are through silt conveyor intercommunication, its characterized in that: the separator (11) is arranged at the joint of the silt conveying device and the silt cabin (20), and an overflow device can be detachably arranged at the upper part of the silt cabin (20).
2. The device for improving the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 1, characterized in that: silt conveyor is including dredge pipe (3), dredge pump (4) and conveyer pipe (9), dredge pump (4) are fixed on connecting rod (5) of being connected with hull (1) rotation, dredge pump (4) input and dredge pipe (3) intercommunication, dredge pump (4) output is because conveyer pipe (9) intercommunication, the other end and the harrow head (2) of dredge pipe (3) are connected, the other end of conveyer pipe (9) is connected with separator (11).
3. The device for improving the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 2, characterized in that: be provided with filter plate (12) in separator (11), the side of separator (11) is provided with silt export (13), the bottom of separator (11) is provided with water outlet (14), filter plate (12) slope sets up, the lower one end of filter plate (12) and the bottom parallel and level of silt export (13).
4. The device for improving the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 1, characterized in that: overflow arrangement includes support frame (21), swash plate (22), water pump (24), check valve (25) and honeycomb duct (26), connection can be dismantled in silt cabin (20) in support frame (21), evenly be provided with a plurality of swash plates (22) in support frame (21), be provided with water pump (24) in support frame (21), the output of water pump (24) is connected with honeycomb duct (26), be provided with check valve (25) in honeycomb duct (26).
5. The device for improving the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 2, characterized in that: the ship body (1) is provided with a winch, and a pull rope on the winch is connected to the connecting rod (5).
6. The device for improving the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 2, characterized in that: the conveying pipe (9) is provided with a supporting rod (8), and the supporting rod (8) is fixedly arranged on the ship body (1).
7. The device for improving the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 3, characterized in that: the water separator is characterized in that a plurality of separators (11) are arranged on the conveying pipe (9), a valve (10) is arranged on the conveying pipe (9) between every two adjacent separators (11), and water outlets (14) on the separators (11) are communicated through a water drainage pipe (15).
8. The device for increasing the concentration of silt in the loading cabin of the trailing suction hopper dredger according to claim 5, wherein: the middle part of the connecting rod (5) is fixedly provided with a connecting lug (6), and the pull rope of the winch is connected to the connecting lug (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920525333.4U CN209837138U (en) | 2019-04-17 | 2019-04-17 | Device for improving concentration of silt in loading cabin of trailing suction hopper dredger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920525333.4U CN209837138U (en) | 2019-04-17 | 2019-04-17 | Device for improving concentration of silt in loading cabin of trailing suction hopper dredger |
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| CN209837138U true CN209837138U (en) | 2019-12-24 |
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| CN201920525333.4U Expired - Fee Related CN209837138U (en) | 2019-04-17 | 2019-04-17 | Device for improving concentration of silt in loading cabin of trailing suction hopper dredger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078017A (en) * | 2022-12-15 | 2023-05-09 | 中交疏浚技术装备国家工程研究中心有限公司 | Method for filtering and draining mud entering cabin of trailing suction hopper dredger and implementation device thereof |
-
2019
- 2019-04-17 CN CN201920525333.4U patent/CN209837138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078017A (en) * | 2022-12-15 | 2023-05-09 | 中交疏浚技术装备国家工程研究中心有限公司 | Method for filtering and draining mud entering cabin of trailing suction hopper dredger and implementation device thereof |
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Granted publication date: 20191224 |