CN114964914B - A comprehensive sampling device for marine geological survey - Google Patents
A comprehensive sampling device for marine geological survey Download PDFInfo
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- CN114964914B CN114964914B CN202210635213.6A CN202210635213A CN114964914B CN 114964914 B CN114964914 B CN 114964914B CN 202210635213 A CN202210635213 A CN 202210635213A CN 114964914 B CN114964914 B CN 114964914B
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- 238000005070 sampling Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000013535 sea water Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- 230000009189 diving Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 abstract description 36
- 239000002689 soil Substances 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 11
- 238000011835 investigation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2294—Sampling soil gases or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Soil Sciences (AREA)
- Biomedical Technology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
本发明公开了一种用于海洋地质调查的综合取样装置，包括综合取样体和安装在综合取样体上的海底质取样组件、海水取样组件和气体收集组件，所述综合取样体为圆台型框架，圆台型框架的上台面为安装盘，安装盘分为两层，分别为上安装盘和下安装盘，下安装盘面积等于上安装盘面积，上安装盘与下安装盘之间通过竖直的固定杆固定。将本装置投入海中样本采集的预定地点，本装置可在同一采集点处采集海水水体、海水及底泥中释放的气体和海底质土样，保证采集的气、水、土样本站点为同一站位，同时提高采集效率。
The present invention discloses a comprehensive sampling device for marine geological survey, including a comprehensive sampling body and a seabed sampling component, a seawater sampling component and a gas collection component installed on the comprehensive sampling body, wherein the comprehensive sampling body is a truncated cone frame, and the upper table of the truncated cone frame is a mounting plate, which is divided into two layers, namely an upper mounting plate and a lower mounting plate, wherein the area of the lower mounting plate is equal to the area of the upper mounting plate, and the upper mounting plate and the lower mounting plate are fixed by a vertical fixing rod. The device is put into a predetermined location for collecting samples in the sea, and the device can collect seawater, gas released from seawater and bottom mud and seabed soil samples at the same collection point, ensuring that the collected gas, water and soil sample sites are at the same station, while improving the collection efficiency.
Description
Technical Field
The invention relates to the field of marine exploration, in particular to a comprehensive sampling device.
Background
The marine geochemical exploration is taken as a means of marine geological investigation, is an emerging edge science, is used for rapidly developing marine geological scientific investigation, can collect coastal offshore substances through different sampling methods, systematically surveys the content characteristics of elements and compounds and the distribution rule of three-dimensional space elements from above sea surface to below sea bottom, and has the advantages of low cost, high efficiency, high precision and the like.
In the research of ocean water element distribution, ocean environment and pollution conditions, the investigation of ocean water chemistry and potential environmental pollution factors is required, and the investigation of ocean airspace, sea water surface gas, sea water chemical elements, the comprehensive investigation of submarine soil body types, substance compositions and the like is related. At present, in marine geological investigation work, the adopted gas, water and seabed soil samples are all independent collection methods, namely, a seabed soil sample taking device is provided with a grab bucket and a coring device, the coring device is mainly a columnar sample, a special soil sample taking device such as a static pressure or a rotary thin-wall soil sampler is adopted for taking the columnar seabed soil sample, the water sample collecting device is usually set at a certain depth position above the water surface or under the water, fixed-point timing quantitative automatic sampling is carried out, submersible quantitative sampling is put in by remote control traction, and the gas collection is carried out by an air layer vacuum displacement sampling method. The same device in the independent collection method cannot comprehensively collect two types of substances, different devices are needed to be put in for multiple times to collect all samples, but the position of a falling point of each put device is deviated, so that the data of each sample can be matched, the line is possibly misplaced, and the gas, water and soil sample stations which are expected to be collected in marine geochemical sampling are the same station, so that the accuracy of analysis results is ensured. And the collection efficiency of the individual collection method is low.
Disclosure of Invention
The invention aims to provide a comprehensive sampling device for marine geological investigation, which synchronously completes continuous sampling of seawater, simultaneously collects upward released gas generated by water and bottom mud, adopts columnar seabed soil samples, ensures that the collected gas, water and soil sample stations are the same station, and improves the collection efficiency.
The invention is realized by the following technical scheme:
A comprehensive sampling device for marine geological investigation comprises a comprehensive sampling body, a submarine sampling assembly, a seawater sampling assembly and a gas collecting assembly, wherein the submarine sampling assembly, the seawater sampling assembly and the gas collecting assembly are arranged on the comprehensive sampling body, the comprehensive sampling body is a round table type frame, the upper table surface of the round table type frame is a mounting plate, the submarine sampling assembly, the seawater sampling assembly and the gas collecting assembly are arranged through the mounting plate, the submarine sampling assembly comprises a vertically downward hydraulic cylinder and a columnar sampling tube which is connected to a telescopic rod of the hydraulic cylinder in a collinear manner, the seawater sampling assembly comprises a water intake pipe which is arranged perpendicular to the mounting plate, the upper end of the water intake pipe is connected with a hose which leads to a deck, a submerged electric pump is arranged at the lower end of the water intake pipe, the gas collecting assembly comprises a sealing layer wrapped on the side surface of the round table type frame, a mounting column which is vertically arranged on the mounting plate, a gas collecting bottle with a bottle opening facing downwards is filled with water, the gas collecting bottle opening is communicated with a first guide pipe and a second guide pipe, a one-way valve which is communicated with the bottom surface of the mounting plate, the first guide pipe is arranged on the first guide pipe, the one-way valve which is communicated to the gas collecting bottle, the first guide pipe is arranged on the one-way valve which is arranged outside the gas collecting bottle, the one-way valve is arranged between the first guide pipe and the mounting plate, and the upper section of the mounting plate is provided with a deflation valve.
The installation plate is divided into two layers, namely an upper installation plate and a lower installation plate, the upper installation plate and the lower installation plate are fixed through vertical fixing rods, and the hydraulic cylinder, the water intake pipe and the installation column penetrate through the upper installation plate and the lower installation plate and are fixedly connected with the upper installation plate and the lower installation plate. Through the mutual fixation of the upper mounting plate and the lower mounting plate, the mounting stability of the hydraulic cylinder, the water intake pipe and the mounting column is greatly enhanced, and particularly, the stability of the hydraulic cylinder in the process of collecting the seabed soil sample is improved.
Further, the area of the lower mounting plate is equal to or smaller than that of the upper mounting plate, one end of a supporting rod on the side face of the round table type frame is connected to the bottom of the round table type frame, the other end of the supporting rod is connected to the lower mounting plate, one side of the sealing layer is connected to the bottom of the round table type frame, and the other side of the sealing layer is connected to the upper mounting plate. Avoiding the contact interference between the sealing layer and the supporting rod, preventing leakage caused by abrasion of the sealing layer.
Further, the sealing layer is made of cloth material of the wetsuit. Waterproof, breathable, soft and easy to install.
Further, one side of the diving suit material cloth connected with the upper mounting plate is tightly connected to the upper mounting plate through a pressing plate connected to the mounting plate through a bolt, and a rubber pad is arranged under the pressing plate. Ensure the tightness of the joint of the diving suit material cloth and the upper mounting plate.
Further, a foot pad is arranged at the bottom end of the round table type frame, and a weight block is arranged below the foot pad. The stability of the round platform type frame in the sea bottom is improved by the foot pad, and the stability of the round platform type frame in the sea bottom and the sinking speed of the round platform type frame are improved by the load-bearing blocks.
Further, a filter screen is arranged at the water inlet of the water intake pipe. Avoiding the blockage of the water intake pipe by impurities in the seawater.
Further, a metering pump is arranged on the water intake pipe.
Further, a water depth pressure sensor is arranged below the mounting plate.
Further, the mounting plate is provided with a bulge, and the first guide pipe is communicated with the highest point of the bulge. The gas collects at the ridge and is more easily collected by the first conduit.
Compared with the prior art, the invention has the following advantages:
1. The device is put into a preset place for collecting the marine samples, and can collect the gas released from the seawater body, the seawater and the bottom mud and the seabed soil sample at the same collecting point, so that the collected gas, water and soil sample points are the same station.
2. The device is put into a preset place for collecting the marine samples, and can collect the gas released from the seawater body, the seawater and the bottom mud and the seabed soil sample at the same time, thereby improving the collection efficiency.
3. The device has compact structure and flexible throwing.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a half cross-sectional view at A in FIG. 1;
In the figure:
1. 1.1 parts of integrated sampling body, 1.2 parts of lower mounting disc, 1.3 parts of upper mounting disc, 1.4 parts of rubber pad, 1.5 parts of pressure plate, 1.6 parts of fixing rod, 2 parts of submarine sampling component, 2.1 parts of hydraulic cylinder, 2.2 parts of sampling tube, 3 parts of seawater sampling component, 3.1 parts of water intake pipe, 3.2 parts of hose, 3.3 parts of submersible pump, 3.4 parts of filter screen, 3.5 parts of metering pump, 4 parts of gas collecting component, 4.1 parts of submersible suit material cloth, 4.2 parts of mounting column, 4.21 parts of vent hole, 4.3 parts of gas collecting cylinder, 4.4 parts of conduit I, 4.41 parts of one-way valve I, 4.5 parts of conduit II, 4.6 parts of relief valve, 5 parts of foot pad, 6 parts of negative weight and 7 parts of water depth pressure sensor.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides a synthesize sampling device for marine geology investigation, includes synthesizes sample body 1 and installs seabed sampling assembly 2, sea water sampling assembly 3 and the gas collection subassembly 4 on synthesizing sample body 1, synthesize sample body 1 is round platform type frame 1.1, and the last mesa of round platform type frame 1.1 is the mounting disc, and the mounting disc divide into two-layer, is mounting disc 1.3 and mounting disc 1.2 down respectively, and mounting disc 1.2 area equals mounting disc 1.3 area down, and it is fixed through vertical dead lever 1.6 between mounting disc 1.3 and the mounting disc 1.2 down.
The seabed sampling assembly 2 comprises a hydraulic cylinder 2.1 vertically downwards and a columnar sampling tube 2.2 which is connected on the telescopic rod in a collinear manner with the telescopic rod of the hydraulic cylinder 2.1. The seawater sampling assembly 3 comprises a water intake pipe 3.1 which is perpendicular to the installation plate, the upper end of the water intake pipe 3.1 is connected with a hose 3.2 leading to a deck, and the lower end of the water intake pipe 3.1 is provided with a submerged motor pump 3.3. The gas collection assembly 4 comprises a diving suit material cloth 4.1 coated on the side surface of the round table type frame 1.1 and a mounting column 4.2 vertically mounted on the mounting plate, one end of a supporting rod on the side surface of the round table type frame 1.1 is connected to the bottom of the round table type frame 1.1, the other end of the supporting rod is connected to the lower mounting plate 1.2, one side of the diving suit material cloth 4.1 is connected to the bottom of the round table type frame 1.1, and the other side of the diving suit material cloth is connected to the upper mounting plate 1.3. Avoid diving suit material cloth 4.1 and bracing piece contact interference, prevent diving suit material cloth 4.1 by wearing and tearing cause revealing. The diving suit material cloth 4.1 is tightly connected to the upper mounting plate 1.3 through a pressing plate 1.5 connected to the upper mounting plate 1.3 through bolts, a rubber pad 1.4 is arranged under the pressing plate 1.5 to ensure tightness of a joint of the diving suit material cloth 4.1 and the upper mounting plate 1.3, a gas collecting bottle 4.3 with a downward bottle opening is arranged on the mounting column 4.2, purified water is filled in the gas collecting bottle 4.3, a first conduit 4.4 and a second conduit 4.5 are communicated with the bottle opening of the gas collecting bottle 4.3, the other end of the first conduit 4.1 is communicated with a mounting column 4.2, a hollow section is arranged in the mounting column 4.2, the first conduit 4.4 is communicated with a space below the upper mounting plate 1.3 through the hollow section, a vent hole 4.21 is formed in the side wall of the mounting column 4.2 on the hollow section, and the vent hole 4.21 is located at a position close to the lower surface of the upper mounting plate 1.3. The first conduit 4.4 is provided with a first one-way valve 4.41 which is connected to the gas collection bottle 4.3 in a one-way, the second conduit 4.5 is provided with a second one-way valve which is connected to the outside of the gas collection bottle 4.3 in a one-way, the first conduit 4.4 of the section between the first one-way valve 4.41 and the upper mounting plate 1.3 is provided with a deflation valve 4.3, the upper mounting plate 1.3 is provided with a bulge, and the mounting column 4.2 is arranged at the highest point of the bulge on the upper mounting plate 1.3. The hydraulic cylinder 2.1, the water intake pipe 3.1 and the mounting column 4.2 penetrate through the upper mounting disc 1.3 and the lower mounting disc 1.2 and are fixedly connected with the upper mounting disc 1.3 and the lower mounting disc 1.2. Through the mutual fixation of the upper mounting plate 1.3 and the lower mounting plate 1.2, the mounting stability of the hydraulic cylinder 2.1, the water intake pipe 3.1 and the mounting column 4.2 is greatly enhanced, and particularly, the stability of the hydraulic cylinder 2.1 in the process of collecting the seabed soil sample is improved.
The bottom of the round table type frame 1.1 is provided with a foot pad 5, and a load-bearing block 6 is arranged below the foot pad 5. The foot pad 5 improves the stability of the truncated cone-shaped frame 1.1 in the seabed, and the weight bearing block 6 improves the stability of the truncated cone-shaped frame 1.1 in the seabed and the sinking speed of the truncated cone-shaped frame 1.1. The water intake pipe 3.1 water inlet department installs filter screen 3.4, avoids impurity in the sea water to stop up the water intake pipe. The water intake pipe 3.1 is provided with a metering pump 3.5. A water depth pressure sensor 7 is arranged below the lower mounting plate 1.2.
The working principle of the invention is as follows:
The device is put above the sampling point and is sunk to the bottom of the sea under the traction of the weight block 6. In the sinking process of the device, the air release valve 4.6 is opened, the one-way valve 4.41 is closed, and the air contained in the round table type frame 1.1 is completely exhausted. The current depth of the device is measured in real time by the water depth pressure sensor 7, and when the device is submerged to a preset position on the seabed, the seawater sampling assembly 3, the gas collecting assembly 4 and the seabed sampling assembly 2 work.
The seawater sampling assembly 3 is operated in such a way that seawater is pumped to a deck by a submerged electric pump 3.3, the seawater is sent to the deck through a water intake pipe 3.1 and a hose 3.2, the sampled seawater amount is recorded by a metering pump 3.5, the gas collecting assembly 4 is operated in such a way that after the device is submerged to a preset position on the sea floor, a deflation valve 4.6 is closed, a first one-way valve 4.41 is opened, a second one-way valve is opened, gas released from the sea floor to the atmosphere is collected by a circular truncated cone-shaped frame 1.1 and a diving suit material cloth 4.1, the gas is gathered up to a mounting disc 1.3, enters a vent hole 4.21 at the bulge of the upper mounting disc 1.3, enters a first conduit 4.4 through a hollow section of a mounting column 4.2, and then enters a gas collecting cylinder 4.3. The seabed sampling assembly 2 works in such a way that a hydraulic cylinder 2.1 drives a telescopic rod to extend out, a columnar sampling tube 2.2 is inserted into the seabed, then the hydraulic cylinder 2.1 acts reversely, and the columnar sampling tube 2.2 filled with seabed samples is pulled out to finish sampling.
Finally, the device is hung back to the deck to collect the samples in the gas collection bottle 4.3 and the columnar sampling tube 2.2.
It is worth mentioning that the seawater sampling assembly 3 can take seawater samples with any depth, and the device is only required to sink to a preset depth according to the value monitored by the water depth pressure sensor 7 and the submersible electric pump 3.3 is started, and the working mode is the same as that of the submarine.
The foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210635213.6A CN114964914B (en) | 2022-06-07 | 2022-06-07 | A comprehensive sampling device for marine geological survey |
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| CN202210635213.6A CN114964914B (en) | 2022-06-07 | 2022-06-07 | A comprehensive sampling device for marine geological survey |
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| CN114964914B true CN114964914B (en) | 2024-12-20 |
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| CN119124732B (en) * | 2024-10-09 | 2025-02-07 | 山东省地矿工程集团有限公司 | A water source detection sampling instrument for engineering geological survey |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269840A (en) * | 2018-11-30 | 2019-01-25 | 中国海洋大学 | A kind of bottom sediment and Bottom Water in Ocean acquisition device simultaneously |
| CN111003113A (en) * | 2019-12-30 | 2020-04-14 | 江苏省水文地质工程地质勘察院 | Offshore exploration platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11624850B2 (en) * | 2019-10-29 | 2023-04-11 | Pgs Geophysical As | Marine survey node and soil sample module |
| CN111595611B (en) * | 2020-05-13 | 2021-11-16 | 中国科学院海洋研究所 | ROV-based deep sea sediment acoustic parameter in-situ detection system and method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269840A (en) * | 2018-11-30 | 2019-01-25 | 中国海洋大学 | A kind of bottom sediment and Bottom Water in Ocean acquisition device simultaneously |
| CN111003113A (en) * | 2019-12-30 | 2020-04-14 | 江苏省水文地质工程地质勘察院 | Offshore exploration platform |
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