摘要:
An apparatus for assembling a liner from a plurality of longitudinal sections of flexible material having longitudinal edges adapted to be joined one to another to form the liner includes a path means along which the longitudinal sections of flexible material can be conveyed in a laterally reduced condition, an assembly zone at which the longitudinal edges can be joined together to form the liner, and a guide structure about which the flexible material can turn upon exiting from the path means to provide an inner section and an outer section turned back with respect to the inner section. The guide structure presents a guide, surface over which the longitudinal sections of flexible material can pass, the surface being configured to facilitate spreading of each longitudinal section from the laterally reduced condition.
摘要:
An apparatus for assembling a liner from a plurality of longitudinal sections of flexible material having longitudinal edges adapted to be joined one to another to form the liner includes a path means along which the longitudinal sections of flexible material can be conveyed in a laterally reduced condition, an assembly zone at which the longitudinal edges can be joined together to form the liner, and a guide structure about which the flexible material can turn upon exiting from the path means to provide an inner section and an outer section turned back with respect to the inner section. The guide structure presents a guide, surface over which the longitudinal sections of flexible material can pass, the surface being configured to facilitate spreading of each longitudinal section from the laterally reduced condition.
摘要:
A vacuum boring and mud recovery method comprising a vacuum container, a vacuum producing device to create a vacuum within said container, a conduit to vacuum solid particles and liquids into the vacuum container and a dispensing device to dispense the liquid or solid particles from the vacuum container without eliminating the vacuum environment within the vacuum container. Vacuum container contents are stored within the container while simultaneously dispensing the solid particles and or liquids. The vacuum container method may also have a separating device disposed within it to separate solids and liquids by category. The vacuum container method is a continuous operation vacuum container which can simultaneously fill, store and dispense solid particles and liquids with the added ability to simultaneously separate the solids and or liquids before they are dispensed from the vacuum container. This is accomplished without eliminating the vacuum environment within the vacuum container. The vacuum container method can also include an articulated powered vacuum conduit boom, a vacuum conduit tractor or purification means.
摘要:
When breaking up lumps of stone from a subaqueous stony ground, the lumps are loosened by means of at least one chisel inserted into the ground and being moved along the ground surface. In order to break up lumps of stone by low power and to main a predetermined size of the loosened lumps of stone suitable for being lifted by a suction dredger system, the structure of the top layer of the stony ground is disturbed by inserting displacers from above into the ground at places distributed over the ground surface.
摘要:
Microdredging systems comprising a pumping platform and loading platform are described. In certain embodiments, system operates autonomously and is adapted to allow the loading platform undock from the pumping platform for disposal of the removed sediment.
摘要:
An apparatus for collecting surface seabed sediment. A cylindrical cover part is connected to a trigger, has an open bottom end, and has a position maintaining part disposed therein. A holder part is coupled with the position maintaining part, and has a longitudinal hollow space defined therein. A pipe-shaped sediment collecting part is detachably coupled at one end with a bottom end of the cover part, and has a receiving space defined therein, such that seabed sediment is accommodated within the receiving space. A head part is disposed at one end thereof on the other end of the sediment collecting part, has a hollow space defined therein, and has an insert blade on a periphery. A catcher part is disposed on an inner circumference of the head part, and allows seabed sediment to enter the receiving space of the sediment collecting part while preventing the collected sediment from being lost.
摘要:
An apparatus for collecting surface seabed sediment. A cylindrical cover part is connected to a trigger, has an open bottom end, and has a position maintaining part disposed therein. A holder part is coupled with the position maintaining part, and has a longitudinal hollow space defined therein. A pipe-shaped sediment collecting part is detachably coupled at one end with a bottom end of the cover part, and has a receiving space defined therein, such that seabed sediment is accommodated within the receiving space. A head part is disposed at one end thereof on the other end of the sediment collecting part, has a hollow space defined therein, and has an insert blade on a periphery. A catcher part is disposed on an inner circumference of the head part, and allows seabed sediment to enter the receiving space of the sediment collecting part while preventing the collected sediment from being lost.
摘要:
Apparatus for assembling a liner (25) from a plurality of longitudinal sections of flexible material (161, 162) having longitudinal edges adapted to be joined one to another to form the liner. The apparatus comprises a path means along which the longitudinal sections of flexible material can be conveyed in a laterally reduced condition, an assembly zone at which the longitudinal edges can be joined together to form the liner, and a guide structure (165) about which the flexible material (161, 162) can turn upon exiting from the path means to provide an inner section (171) and an outer section (173) turned back with respect to the inner section. The guide structure (165) presents a guide, surface (167) over which the longitudinal sections (161, 162) of flexible material can pass, the surface (167) being configured to facilitate spreading of each longitudinal section (161, 162) from the laterally reduced condition.
摘要:
Apparatus for assembling a liner (25) from a plurality of longitudinal sections of flexible material (161, 162) having longitudinal edges adapted to be joined one to another to form the liner. The apparatus comprises a path means along which the longitudinal sections of flexible material can be conveyed in a laterally reduced condition, an assembly zone at which the longitudinal edges can be joined together to form the liner, and a guide structure (165) about which the flexible material (161, 162) can turn upon exiting from the path means to provide an inner section (171) and an outer section (173) turned back with respect to the inner section. The guide structure (165) presents a guide, surface (167) over which the longitudinal sections (161, 162) of flexible material can pass, the surface (167) being configured to facilitate spreading of each longitudinal section (161, 162) from the laterally reduced condition.
摘要:
A dredger comprising a floating vessel and a dredging and suction unit which is tracted by the floating vessel and travelled on the sea bottom. Silt on the sea bottom is sucked by a pump provided on the dredging and suction unit and introduced into the floating vessel through conduits and subsequently delivered to a barge provided in a recess of the floating vessel. The vessel and barge are propelled by a push-boat.