Measurement device for performing measurement on a mixture of water and collected material
First Claim
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1. A measurement device for performing measurements on a mixture of water and material collected from a mining or dredging operation using a vessel, the measurement device comprising:
- a collecting pipe comprising a straight pipe section through which the mixture can be guided, the pipe section comprising a window,a collecting pump connected to the collecting pipe;
the collecting pipe further comprising a free end comprising a drag head and an end movably connected to the vessel, wherein the free end can be lowered to an underwater position,an image capturing device arranged to capture an image of the collected material through the window, anda density measurement device for measuring the density of the water and collected materials in the straight pipe section.
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Abstract
A measurement device for performing measurements on a mixture of water and collected material includes a pipe section through which the mixture can be guided. The pipe section includes a window. The measurement device further includes an image capturing device arranged to capture an image of the collected material through the window. The image can be used to determine a grain size distribution of the collected material, which can be used to optimize the collecting process.
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Citations
17 Claims
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1. A measurement device for performing measurements on a mixture of water and material collected from a mining or dredging operation using a vessel, the measurement device comprising:
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a collecting pipe comprising a straight pipe section through which the mixture can be guided, the pipe section comprising a window, a collecting pump connected to the collecting pipe; the collecting pipe further comprising a free end comprising a drag head and an end movably connected to the vessel, wherein the free end can be lowered to an underwater position, an image capturing device arranged to capture an image of the collected material through the window, and a density measurement device for measuring the density of the water and collected materials in the straight pipe section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A vessel for collecting material from an underwater bottom during a mining or dredging operation, the vessel comprising:
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a collecting pipe which has a first end movably connected to the vessel and a free end, which free end can be lowered to an underwater position, the collecting pipe comprising a straight pipe section that includes a window, a collecting device located at a free end of the collecting pipe, a collecting pump used in the process of collecting material from underwater bottom, a first measurement device comprising a first image capturing device arranged to capture an image of the collected material through the window and a density measurement device for measuring a density of the mixture the density of the water and collected materials in the straight pipe section. - View Dependent Claims (13, 14, 17)
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15. A method of transporting a mixture of water and collected material, wherein the method is part of a dredging or mining process, and wherein the method comprises:
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collecting material from an underwater bottom or from loading space by loosening material from the underwater bottom or from the loading space with a drag head at a free end of a collecting pipe, the other end of the collecting pipe being movably connected to a vessel, mixing the material with water creating the mixture of water and collected material, operating a collecting pump to pump the mixture through the collecting pipe to the vessel, capturing at least one image of the collected material flowing through the pipe and analyzing the at least one image, measuring the density of the mixture of water and collected materials in a straight pipe section, and controlling at least one of a ratio of water and collected material in the mixture and an operating speed of the pump based on the captured image and the measured density. - View Dependent Claims (16)
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Specification