Automatic sampling apparatus for suspanded mud and sand field

Abstract

The invention relates to a submarine suspended sediment working place automatic sampling device. It includes water sampling device, cable, central control unit and its carrier. The carrier is respectively connected with upper floating body by lifting stem and wire rope. Its features are that the two sides of the carrier are set tail unit and kuppe; the under part is set anchor connected with chain; the anchor and chain are cooperated with the floating bogy to realize semi submersible full automatic sampling. The water sampling device includes solenoid valve, water sampling device, and water bottle. It can sample twenty four-bottle of water sample for once. Its sampling is exact and reliable. The sample is no pollution and leaking.

Description

technical field [0001] The invention relates to an on-site automatic sampling device for suspended sediment used for underwater semi-submersible all-weather operations. Background technique [0002] Suspended sediment water sample collection is an important basic work in the field of scientific research and engineering design in the marine and water conservancy industries, especially the suspended sediment depth data under harsh sea conditions (meteorological) conditions, which is very important for scientific research, engineering design and disaster prediction. is very important. At present, relevant departments at home and abroad have developed a variety of suspended sediment sampling devices, but most of them have the following defects: the existing water collectors are all normally open mechanical water collection structures, and the sampling process needs to be carried out through such as "hammering". "and other manual mechanical actions to complete, which often canno...

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Problems solved by technology

At present, relevant departments at home and abroad have developed a variety of suspended sediment sampling devices, but most of them have the following defects: the existing water collectors are all normally open mechanical water collection structures, and the sampling process needs to be carried out through such as "hammering". "and other manual mechanical actions to complete, which often cannot normally complete the sampling action in waters with high flow rates; due to the manual operation, it is necessary to manually measure the water depth when using the existing water collector for sampling, and only one water sample can be collected in one operation , and in the interval between two samplings, personnel are often on duty on site, so the labor intensity is high and the work efficiency is very low; and because of the normally open structure design, when the water collector is lowered from the water surface to the target depth, There is always water sample exchange in the sampling bottle, so there will inevitably be a certain amount of water sample mixed in the sampling bottle before reaching the predetermined sampling position, thus causing a certain degree of pollution to the water sample, the longer the release time, the more serious the pollution; in addition , due to the manual retraction of the existing water sampling device or the towing operation of the ship, it must not be able to adapt to the sampling work under harsh sea conditions, so it is difficult to obtain water sample data under harsh sea conditions, and the samples and data under harsh sea conditions are precisely is the most important

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