NL2030427B1 - Columnar sediment sampling system with in-situ data acquisition function - Google Patents

Columnar sediment sampling system with in-situ data acquisition function Download PDF

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Publication number
NL2030427B1
NL2030427B1 NL2030427A NL2030427A NL2030427B1 NL 2030427 B1 NL2030427 B1 NL 2030427B1 NL 2030427 A NL2030427 A NL 2030427A NL 2030427 A NL2030427 A NL 2030427A NL 2030427 B1 NL2030427 B1 NL 2030427B1
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Netherlands
Prior art keywords
data acquisition
columnar
heat flow
acquisition unit
sampling system
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NL2030427A
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Dutch (nl)
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NL2030427A (en
Inventor
Duan Baichuan
Liu Xiaochen
Yi Zhangmin
Li Tiegang
Qin Bingbin
Wang Linmiao
Xiong Zhifang
Tang Zheng
Jia Qi
Guo Jingteng
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First Institute Of Oceanography Mini Of Natural Resources
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Publication of NL2030427A publication Critical patent/NL2030427A/en
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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
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1886—Water using probes, e.g. submersible probes, buoys
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials

Abstract

The present disclosure provides a columnar sediment sampling system with an in—situ data acquisition function, including a data acquisition unit and a columnar sampler. The data acquisition unit includes a hydrological data acquisition unit and a heat flow data acquisition unit. The hydrological data acquisition unit includes a multi—parameter hydrological recorder, a bracket and a connecting rod. The multi—parameter hydrological recorder is mounted in the bracket. The hydrological data acquisition unit is mounted above the columnar sampler through the connecting rod. The columnar sampler is provided, with a ballast lead, block and a sampling pipe. The present disclosure can realize continuous acquisition of full—water—depth multi—parameter hydrological data of single lowering of the columnar sampler and fully use the ship time of lowering and withdrawing of the sampler.

Description

COLUMNAR SEDIMENT SAMPLING SYSTEM WITH IN-SITU DATA ACQUISITION
FUNCTION
TECHNICAL FIELD
The present disclosure belongs to the technical field of ma- rine observation, and specifically relates to a columnar sediment sampling system with an in-situ data acquisition function.
BACKGROUND ART
During treatment of marine sediments, a sampling operation is often required to obtain marine sediments with a certain thickness and complete deposition sequence. A common sampling method is a columnar sediment sampler. The present disclosure can make the sampler penetrate into bottom sediments in a vertical pose to en- sure high-quality and high-efficiency obtaining of deep-sea bottom columnar sediment samples and meet a sampling need of columnar sediments in a deep water region.
For example, in the following precedent patent application
No. CN108760375A, entitled " gravity columnar sediment sampler”.
The top side wall of a tubular part is provided with a drainage window, and a sample pipe and its snap ring are installed inside.
The outer wall of the tubular part is provided with a stop ring.
The upper outer wall of the drainage window is provided with a bearing seat and a lead block load. An altimeter, a pressure sen- sor and a releaser are installed under the bearing seat. Two mutu- ally perpendicular propellers are arranged in the middle of the sampling pipe. During use, the sampler penetrates into the bottom sediment in a vertical pose to obtain samples of deep bottom co- lumnar sediments to meet the sampling need of the columnar sedi- ments in the deep water region.
The columnar sampler of the precedent application has the following shortcomings and deficiencies.
The existing columnar sampler can only obtain samples when it hits the bottom, and then test and analyze the sediments in a la- boratory to acquire data. However, the processes of lowering and withdrawing a sampler in seawater takes the longest ship time of sampling, but any in-situ data cannot be acquired. If the sampling station needs hydrological information (such as parameters of tem- perature, salinity, chlorophyll, turbidity, and dissolved oxygen) of a sediment sampling station, a CTD lowered by a midship deck can only be used for data acquisition, so that twice the ship time is spent, and it cannot cover bottom water body close to the bot- tom sediments.
In addition, in marine geological observation and research, acquisition of in-situ heat flow data of the sediments is of great significance. To acquire heat flow information of the sediments, the equipment needs to be lowered for data acquisition. If infor- mation such as type and chemical composition of the sediment at a heat flow collection site needs to be acquired, the sediment sam- pler needs to be lowered again, and the bottom hit positions can- not be completely consistent.
In view of this, the present patent application has been spe- cifically disclosed.
SUMMARY
The present disclosure provides a columnar sediment sampling system with an in-situ data acquisition function, so as to realize continuous acquisition of full-water-depth multi-parameter hydro- logical data and acquisition of heat flow data of sediments in single lowering of a columnar sampler, and fully use the ship time of lowering and withdrawing of the sampler.
In order to achieve the forgoing purpose, the present disclo- sure provides the following technical solution.
The present disclosure provides a columnar sediment sampling system with an in-situ data acquisition function, including a data acquisition unit and a columnar sampler. The data acquisition unit includes a hydrological data acquisition unit and a heat flow data acquisition unit. The hydrological data acquisition unit includes a multi-parameter hydrological recorder, a bracket and a connect- ing rod. The multi-parameter hydrological recorder is mounted in the bracket. The hydrological data acquisition unit is mounted above the columnar sampler through the connecting rod. The colum-
nar sampler is provided with a ballast lead block and a sampling pipe.
Further, the columnar sampler is provided with a portable head, a fixing ring and a loop bar; the portable head is fixed on the outer surface of the fixing ring; and the loop bar is sleeved in the fixing ring.
Further, a stop ring is arranged below the ballast lead block; and the ballast lead block and the stop ring are both sleeved on the loop bar.
Further, the stop ring is a cylinder with a hollowed side surface.
Further, the lower end of the sampling pipe is conical, and the top end is provided with a connecting head and is connected with the loop bar through the connecting head.
Further, the length of the connecting rod is greater than a long edge of the bracket; the tail is of a circular ring shape; and the portable head of the columnar sampler is sleeved in the circular ring of the tail of the connecting rod.
Further, the heat flow data acquisition unit includes a heat flow meter and a heat flow meter bracket; the heat flow data ac- quisition unit is fixed on the sampling pipe through the heat flow meter bracket; and the heat flow meter is mounted at a position in different angles on the side surface of the sampling pipe at an equal interval.
Further, the bottom of the heat flow meter bracket is an arc- shaped base; one trapezoid fixing sheet is vertically arranged in the center of the arc-shaped base; the lower bottom of the trape- zoid fixing sheet is connected with the arc-shaped base; and the upper bottom is connected with a heat flow meter sleeve.
Further, the center of the trapezoid fixing sheet is hol- lowed, and the upper bottom and the lower bottom are each provided two rectangular gaps.
Further, the heat flow meter sleeve is cylindrical; the top end is provided with a fixing hole; the lower end is a slope; the side surface is half hollowed; and the non-hollowed side surface is connected with the upper bottom of the trapezoid fixing sheet.
Compared with the prior art, the present invention has the following advantages and beneficial effects. 1. In-situ sediment heat flow measurement of single lowering of the columnar sampler in a deep-sea environment can be realized; the ship time is saved; and the sampling efficiency is higher. 2. continuous acquisition of full-water-depth multi-parameter hydrological data of single lowering of the columnar sampler is realized; sectional data measurement of water can be completed; and the ship time of lowering and withdrawing of the sampler is fully used. 3.Acquisition of in-situ water parameters and bottom sediment heat flow data during columnar sampling can be realized, and com- pletely consistent bottom hit positions are favorable for subse- quent comparative studies on different parameters.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic structural diagram of a columnar sedi- ment sampling system with an in-situ data acquisition function of the present disclosure;
FIG. 2 is a detailed drawing of joints of a columnar sediment sampling system with an in-situ data acquisition function of the present disclosure; and
FIG. 3 is a schematic structural diagram of heat flow meter bracket of a columnar sediment sampling system with an in-situ da- ta acquisition function of the present disclosure.
Reference signs in drawings: 1: hydrological data acquisition unit; 11: connecting rod; 12: bracket; 13: multi-parameter hydro- logical recorder; 2: heat flow data acquisition unit; 21: heat flow meter bracket; 3: columnar sampler; 31: portable head; 32: fixing ring; 33: ballast lead block; 34: stop ring; 35: loop bar; 36: connecting head; 37: sampling pipe.
DETAILED DESCRIPTION OF THE EMBODIMENTS
The technical solution of the present disclosure is further described below with reference to specific embodiments.
Referring to FIG. 1 to FIG. 3, the present disclosure pro- vides a columnar sediment sampling system with an in-situ data ac- quisition function, including a data acquisition unit (including a hydrological data acquisition unit 1 and a heat flow data acquisi- tion unit 2), and a columnar sampler 3. The hydrological data ac- quisition unit 1 includes a connecting rod 11, a bracket 12 and a multi-parameter hydrological record 13. The multi-parameter hydro- 5 logical record 13 is mounted in the bracket 12. The hydrological data acquisition unit 1 is mounted above the columnar sampler 3 through the connecting rod 11. The length of the connecting rod 11 is greater than a long edge of the bracket 12, and the tail is of a circular ring shape; and the portable head 31 of the columnar sampler 3 is sleeved in the circular ring of the tail of the con- necting rod 11.
The heat flow data acquisition unit 2 includes a heat flow meter (not shown in the figure) and a heat flow meter bracket 21 (as shown in FIG. 3). The heat flow data acquisition unit 2 is mounted on the sampling pipe 37 through the heat flow meter brack- et 21; the bottom of the heat flow meter bracket 21 is an arc- shaped base; one trapezoid fixing sheet is perpendicularly provid- ed in the center of the base; the lower bottom of the trapezoid fixing sheet is connected with the arc-shaped base; and the upper bottom is connected a heat flow meter sleeve. The upper bottom and the lower bottom of the trapezoid fixing sheet are each provided two rectangular gaps, and the center is hollowed. The heat flow meter sleeve is cylindrical; the top end is provided with a fixing hole; the lower end is a slope; the side surface is half hollowed; and the non-hollowed side surface is connected with the upper bot- tom of the trapezoid fixing sheet. In the sampling process of the columnar sampler 3, the heat flow meter bracket 21 can protect the heat flow meter from being collided by a deck or a hard bottom; and the hollowed design can ensure that the heat flow meter sensor fully and accurately record in-situ heat flow data. A plurality of heat flow meters may be installed at positions in different angles on the side surface of the sampling pipe 37 at equal intervals to play a data acquisition role.
The columnar sampler 3 is provided with a ballast portable head 31, a fixing ring 32, a lead block 33, a stop ring 34, a loop bar 35, a connecting head 36, and a sampling pipe 37. The portable head 31 is arranged on the outer surface of the fixing ring 32,
and the loop bar 35 is sleeved in the fixing ring 32. The cylin- drical stop ring 34 with a hollowed side surface is arranged below the ballast lead block 33, and the ballast lead block 33 and the stop ring 34 are both sleeved on the loop bar 35. The bottom end of the sampling pipe 37 is conical, and the top end is provided with the connecting head 36 and is connected with the loop bar 35 through the connecting head 36.
When the sampling system works, the columnar sampler 3 is provided with the heat flow data acquisition unit 2, so that in- site sediment heat flow measurement in single lowering of the co- lumnar sampler 3 in the deep-sea environment can be realized.
Meanwhile, the multi-parameter hydrological recorder 13 (RBR maes- tro multi-channel recorder) on the hydrological data acquisition unit 1 can continuously acquire the full-water-depth multi- parameter hydrological data, so that the ship time is saved, and the sampling efficiency is higher.
Although the present disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art still can modify the technical solutions disclosed in the foregoing various embodiments, or make equivalent replacement to partial technical features. Any modifications, equivalent replace- ments, improvements and the like that are made without departing from the spirit and principle of the present disclosure shall all fall within the protection scope of the present disclosure.

Claims (10)

CONCLUSIESCONCLUSIONS 1. Kolomvormig sediment bemonsteringssysteem met een in-situ data acquisitiefunctie, omvattende een acquisitie-eenheid voor data en een kolomvormige monsternemer, waarbij de acquisitie-eenheid voor data een acquisitie-eenheid voor hydrologische data en een acqui- sitie-eenheid voor warmtestroom data omvat; waarbij de acquisitie- eenheid voor hydrologische data een hydrologische recorder met meerdere parameters, een beugel en een verbindingsstang omvat; waarbij de hydrologische recorder met meerdere parameters in de beugel is gemonteerd; waarbij de acquisitie-eenheid voor hydrolo- gische data via de verbindingsstang boven de kolomvormige monster- nemer is gemonteerd; en waarbij de kolomvormige monsternemer is voorzien van een ballastloodblok en een monsterbuis.A columnar sediment sampling system having an in-situ data acquisition function, comprising a data acquisition unit and a columnar sampler, the data acquisition unit comprising a hydrological data acquisition unit and a heat flow data acquisition unit ; wherein the hydrological data acquisition unit comprises a multi-parameter hydrological recorder, a bracket and a connecting rod; wherein the multi-parameter hydrological recorder is mounted in the bracket; wherein the hydrological data acquisition unit is mounted above the columnar sampler via the connecting rod; and wherein the columnar sampler is provided with a ballast lead block and a sample tube. 2. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 1, waarbij de kolomvormige monsternemer is voorzien van een draagbare kop, een bevestigings- ring en een lusstang; waarbij de draagbare kop is bevestigd op het buitenoppervlak van de bevestigingsring; en de lusstang in de be- vestigingsring is gehuld.The columnar sediment sampling system with the in-situ data acquisition function of claim 1, wherein the columnar sampler includes a portable head, a mounting ring, and a loop bar; the portable head being mounted on the outer surface of the mounting ring; and the loop rod is encased in the mounting ring. 3. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 1, waarbij een stopring is aangebracht onder het ballastloodblok; en het ballastloodblok en de stopring beide zijn omhuld op de lusstang.The columnar sediment sampling system with the in-situ data acquisition function according to claim 1, wherein a stop ring is provided below the ballast block; and the ballast weight block and stop ring are both sheathed on the loop bar. 4. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 3, waarbij de stopring een ci- linder is met een uitgehold zijoppervlak.The columnar sediment sampling system with the in-situ data acquisition function according to claim 3, wherein the stop ring is a cylinder with a hollowed-out side surface. 5. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 1, waarbij het onderste uit- einde van de bemonsteringsbuis conisch is, en het bovenste uitein- de is voorzien van een verbindingskop en is verbonden met de lus- stang via de verbindingskop.The columnar sediment sampling system with the in-situ data acquisition function according to claim 1, wherein the lower end of the sampling tube is conical, and the upper end is provided with a connection head and is connected to the loop rod through the connection head . 6. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 2, waarbij de lengte van de verbindingsstang groter is dan een lange rand van de beugel; waar- bij de staart een cirkelvormige ringvorm heeft; en waarbij de draagbare kop van de kolomvormige monsternemer is gehuld in de cirkelvormige ring van de staart van de verbindingsstang.The columnar sediment sampling system with the in-situ data acquisition function of claim 2, wherein the length of the connecting rod is greater than a long edge of the bracket; the tail having a circular annular shape; and wherein the portable head of the columnar sampler is encased in the circular ring of the tail of the connecting rod. 7. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 1, waarbij de acquisitie- eenheid voor warmtestroom data een warmtestroommeter en een warm- testroometerbeugel omvat; waarbij de acquisitie-eenheid voor warmtestroom data op de bemonsteringsbuis wordt bevestigd door de beugel van de warmtestroommeter; en waarbij de warmtestroommeter met gelijke tussenruimte op een positie onder verschillende hoeken op het zijoppervlak van de bemonsteringsbuis is gemonteerd.The columnar sediment sampling system having the in-situ data acquisition function of claim 1, wherein the heat flow data acquisition unit comprises a heat flow meter and a heat flow meter bracket; wherein the heat flow data acquisition unit is mounted on the sampling tube by the bracket of the heat flow meter; and wherein the heat flow meter is equally spaced at a position at different angles on the side surface of the sampling tube. 8. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 7, waarbij de onderkant van de beugel van de warmtestroommeter een boogvormige basis is; waarbij een trapeziumvormige bevestigingsplaat verticaal is aangebracht in het midden van de boogvormige basis; waarbij de onderste bodem van de trapeziumvormige bevestigingsplaat is verbonden met de boogvor- mige basis; en waarbij de bovenste bodem is verbonden met een huls van een warmtestroommeter.The columnar sediment sampling system with the in-situ data acquisition function according to claim 7, wherein the bottom of the bracket of the heat flow meter is an arcuate base; wherein a trapezoidal mounting plate is arranged vertically in the center of the arcuate base; wherein the lower bottom of the trapezoidal mounting plate is connected to the arcuate base; and wherein the top bottom is connected to a sleeve of a heat flow meter. 9. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 8, waarbij het midden van de trapeziumvormige bevestigingsplaat is uitgehold en de bovenste bo- dem en de onderste bodem elk zijn voorzien van twee rechthoekige openingen.The columnar sediment sampling system with the in-situ data acquisition function according to claim 8, wherein the center of the trapezoidal mounting plate is hollowed out and the upper bottom and the lower bottom each have two rectangular openings. 10. Kolomvormig sediment bemonsteringssysteem met de in-situ data acquisitiefunctie volgens conclusie 9, waarbij de huls van de warmtestroommeter cilindrisch is; waarbij het bovenste uiteinde is voorzien van een bevestigingsgat; waarbij de onderkant een helling is; waarbij het zijoppervlak half is uitgehold; en waarbij het niet-uitgeholde zijoppervlak is verbonden met de bovenste bodem van de trapeziumvormige bevestigingsplaat.The columnar sediment sampling system with the in-situ data acquisition function of claim 9, wherein the heat flow meter sleeve is cylindrical; the upper end having a mounting hole; where the bottom is a slope; the side surface being half hollowed out; and wherein the non-recessed side surface is connected to the upper bottom of the trapezoidal mounting plate.
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