CN1616944A - Fidelity sampling integrated deep sea sediment sampler - Google Patents

Fidelity sampling integrated deep sea sediment sampler Download PDF

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Publication number
CN1616944A
CN1616944A CN 200410089165 CN200410089165A CN1616944A CN 1616944 A CN1616944 A CN 1616944A CN 200410089165 CN200410089165 CN 200410089165 CN 200410089165 A CN200410089165 A CN 200410089165A CN 1616944 A CN1616944 A CN 1616944A
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CN
China
Prior art keywords
fidelity
cover
cylindrical shell
pressurized capsule
sampling
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Application number
CN 200410089165
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Chinese (zh)
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CN1285899C (en
Inventor
李世伦
顾临怡
叶瑛
邱敏秀
程毅
陈鹰
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浙江大学
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Application filed by 浙江大学 filed Critical 浙江大学
Priority to CN 200410089165 priority Critical patent/CN1285899C/en
Publication of CN1616944A publication Critical patent/CN1616944A/en
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Publication of CN1285899C publication Critical patent/CN1285899C/en

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Abstract

The integrated deep sea sediment sampling and holding device includes sampling mechanism comprising weight mechanism, hoisting mechanism, sampling and holding barrel, energy accumulator and tongue mechanism; and sealing bin comprising bin body, flap valve, lower end cap, lower gland and turned cone. It has combined sampling and pressure holding barrel with sealed upper and lower ends, compact structure, relaxed hoisting requirement, and raised pressure and bending strength of the barrel. The device can sample sea bed sediment as well as water, gas, natural gas, etc., and hold the temperature, pressure and sample components and state, and is released and recovered with geological winch on ship and without needing other power source. It has also pressure releasing valve and gas separator interface for separating dissolved gas in sample and post-treatment.

Description

Fidelity sampling integrated deep sea sediment sampler

Technical field

The present invention relates to be used for earth drilling or drilling well so that obtain the equipment of table soil or well liquor sample, especially relate to a kind of fidelity sampling integrated deep sea sediment sampler.

Background technology

The exploration of gas hydrate is global problem with exploitation, has entered commercial mining phase abroad, but China is just at the early-stage, still is in the exploration initial stage.Utilize deposit sampler to obtain marine bottom sediment, by subsequent treatment and analysis, whether seabed below have gas hydrate exist, even can directly get gas hydrate if can judge, have great importance.In order to keep original composition of sample and state, require sampler to have the heat-insulation pressure keeping function, i.e. the fidelity function.Correspondingly very high requirement has been proposed for the intensity of sampler, sealing, structure etc.

Summary of the invention

The object of the present invention is to provide a kind of fidelity sampling integrated deep sea sediment sampler, both function is integrated on the cylindrical shell, solve the requirement of sampling and fidelity, especially require bigger operating mode very suitable sampling depth.

The technical solution adopted for the present invention to solve the technical problems is to comprise two parts of gravity piston type sampling mechanism and pressurized capsule:

1) gravity piston type sampling mechanism: comprise weight mechanism, hang mechanism, fidelity sampling tube, accumulator and spring bolt mechanism; Wherein:

Weight mechanism: comprise weight, weight cable, lever, clamping plate; One end of lever connects a jaws which come into abutting of weight, lever through the weight cable;

Hang mechanism: comprise discharging cable, guiding device, piston; The guiding device upper end hangs on the lever by discharging cable, and the guiding device lower end is screwed in pressurized capsule body upper end, and the upper end of piston is connected with jackstay, and the O-ring seal sealing is housed between piston and the lining;

Fidelity sampling tube: comprise fidelity cylindrical shell, petal, lining; Petal is placed on the step of fidelity cylindrical shell lower end cutter head; Lining is close to the fidelity cylinder inboard wall, and the outstanding step in fidelity cylindrical shell upper end is withstood in the lining upper end, and the lining lower end is pushed down on the petal step surface;

Spring bolt mechanism: be screwed in pressurized capsule body upper end hole;

Accumulator: use anchor ear and following anchor ear and be fixed in the guiding device;

2) pressurized capsule: comprise pressurized capsule body, flap valve, bottom end cover, lower cover, back taper; Flap valve fixes on the bottom end cover with hinges fixing, be erected at a side of pressurized capsule inner body wall, blocked by the fidelity cylinder body outer wall, bottom end cover is placed on the pressurized capsule body support ring, bottom end cover and lower cover screw pretension, back taper is buckled on the lower cover, lower cover, back taper the two by screw retention in pressurized capsule body lower end, one latch is housed on the lower cover, and latch inserts in the skewed slot in fidelity cylindrical shell stage casing.Prevent the downward landing of fidelity cylindrical shell.

The useful effect that the present invention has is: it is that sampler barrel is integrated into the fidelity sampling tube with the pressurize tube, and two ends double as sealing position about the fidelity sampling tube, make its structure very compact, hanging requirement reduces greatly, and the resistance to compression of cylindrical shell, the bending resistance equal strength obviously improves, this device can be got S ﹠ W in the seabed, sample such as gas or gas hydrate also carries out heat-insulation pressure keeping and handles, keep original composition of sample and state, utilize geological winch input on the ship, sampling and recovery, do not need other power source can obtain one and guarantee warm pressurize sample, and by pressure relieving valve device interface separated from the gas, the dissolved gas in the sample separation and carry out subsequent treatment.Require bigger application scenario to be particularly suitable for for sampling depth.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation (not containing weight mechanism) after the sampling;

Fig. 3 is a fidelity sampling barrel structure synoptic diagram of the present invention;

Fig. 4 is a sampler when transferring, the spring bolt mechanism structural representation;

When Fig. 5 is the sampler recovery, the spring bolt mechanism structural representation;

Fig. 6 is a pressurized capsule structural representation of the present invention.

Among the figure: 1, weight, 2, the weight cable, 3, lever, 4, clamping plate, 5, jackstay, 6, discharge cable, 7, go up anchor ear, 8, accumulator, 9, guiding device, 10, anchor ear down, 11, spring bolt mechanism, 12, the pressurized capsule body, 13, flap valve, 14, bottom end cover, 15, lower cover, 16, back taper, 17, the fidelity cylindrical shell, 18, piston, 19, petal, 20, lining, 21, O-ring seal, 22, the O RunddichtringO, 23, O RunddichtringO, 24, the O RunddichtringO, 25, support ring, 26, latch.

Embodiment

The invention will be further described below in conjunction with drawings and Examples.

As shown in Figure 1, be system architecture synoptic diagram of the present invention.It comprises following two parts:

The gravity piston type sampling mechanism: this part comprises weight mechanism (containing weight 1, weight cable 2, lever 3, clamping plate 4 etc.), hangs mechanism that accessories such as (contain and discharge cable 6, guiding device 9, piston 18 etc.), fidelity sampling tube (containing fidelity cylindrical shell 17, petal 19, lining 20 etc.), accumulator 8 and spring bolt mechanism 11 form.Weight mechanism is made up of weight 1, weight cable 2, lever 3, clamping plate 4 four parts, and weight 1 usefulness lifting screw hangs on the weight cable 2, and the 2 usefulness shackles of weight cable hang on the lever 3, and lever 3 is fixed on the jackstay 5 by clamping plate 4.Hanging mechanism is made up of release cable 6, guiding device 9, piston 18, guiding device 9 upper ends hang on the lever 3 by discharging cable 6, the lower end is screwed on pressurized capsule body 12, piston 18 upper ends are connected with jackstay 5, O-ring seal 21 sealings are arranged between piston 18 and the lining 20, the sampling anteposition is positioned at lining 20 and enter the last seal of fidelity cylindrical shell 17 topmost in lining 20 bottom after the sampling.Fidelity sampling tube (as shown in Figure 3) is made up of fidelity cylindrical shell 17, petal 19, lining 20 3 parts, petal 19 is placed on the step of fidelity cylindrical shell 17 lower end cutter heads, lining 20 is close to fidelity cylindrical shell 17 inwalls, and the outstanding step in fidelity cylindrical shell 17 upper ends is withstood in the upper end, and petal 19 is pushed down in the lower end, petal 19 elasticity are better, when sampling, sediment can enter lining 20 by petal 19 smoothly, and sampling finishes, petal 19 can cut off sediment, and lining 20 plays insulation effect.Spring bolt mechanism 11 (as Fig. 4, shown in Figure 5) is screwed on pressurized capsule body 12, and outstanding spring latch can block fidelity cylindrical shell 17 when sampling, prevent to move on the fidelity sampling tube 17; After the sampling, can back down by the upper end conical surface of piston 18 again, fidelity cylindrical shell 17 is pulled through dead bolt smoothly.Accumulator 8 is fixed on the guiding device 9 by last anchor ear 7 and following anchor ear 10, is connected the pressure loss of compensation sampler with pressurized capsule body 12 by pipeline.

Pressurized capsule (as shown in Figure 6) is made up of pressurized capsule body 12, flap valve 13, bottom end cover 14, lower cover 15, back taper 16 5 parts.Flap valve 13 usefulness hinges fixing fix on the bottom end cover 14, are erected at a side of pressurized capsule body 12 inwalls, are blocked by fidelity cylindrical shell 17 outer walls; Bottom end cover 14 does not allow it move down by being placed on pressurized capsule body 12 upper support rings 25, bottom end cover 14 and lower cover 15 screw pretensions, back taper 16 is buckled on the lower cover 15, lower cover 15, back taper 16 the two by screw retention on pressurized capsule body 12.One latch 26 is housed on the lower cover 15, and latch 26 inserts the skewed slot in fidelity cylindrical shell 17 stage casings, prevents the 17 downward landings (but allowing to move up) of fidelity cylindrical shell.

Several gordian techniquies of fidelity sampling:

1. seal sealing (as shown in Figure 3) on the fidelity sampling tube: the axial seal of zero draft; Small cylinder conduct with piston 18 tops is sealed, and under the pulling force effect of jackstay 5, fills in fidelity cylindrical shell 17 upper end center pits, finishes sealing by the distortion of O RunddichtringO 22.

2. pressurized capsule sealing (as shown in Figure 6): sampling finishes, fidelity cylindrical shell 17 is fully by flap valve 13, flap valve 13 is filled in the center pit of bottom end cover 14 owing to lose the support of fidelity cylindrical shell 17 under the effect of pretightning force, finish 15 ° of tapering sealings by the distortion of O RunddichtringO 24; Simultaneously, the conical surface of fidelity cylindrical shell 17 lower end drill bits is filled in the pressurized capsule body 12 upper port conical surfaces, and this conical surface bears the weight of pressurized capsule as supporting surface, pressurized capsule body 12 upper end center pits are also filled on the drill bit face of cylinder, finish sealing by the distortion of O RunddichtringO 23.

3. pressure compensating method: accumulator 8 and pressurized capsule body 12 are connected by pipeline, compensate by the pressure loss in 8 pairs of whole sampler of accumulator.

4. heat preserving method: by fidelity cylindrical shell 17, pressurized capsule body 12 surfaces externally and internallies being coated with 20 pairs of sediments insulations of adiabator layer and lining.

The course of work of the present invention is as follows:

(1) after weight 1 arrives the seabed, touch on the lever 3 and lift, make and discharge cable 6 and lever 3 dropouts, the sampler free-falling, fidelity cylindrical shell 17 freely inserts in the sediment under the effect of whole sampler gravity, piston 18 then after near the seabed under the effect of jackstay 5 only the cable releasing speed with winch descend, rise with respect to the fidelity cylindrical shell 17 of free-falling.Owing between piston 18 and the fidelity sampling tube better seal is arranged, thereby below piston, can form parital vacuum, sample is more successfully entered in the lining 20, and the friction force of compensation lining 20 inwalls.

(2) in whole dropping process, because fidelity cylindrical shell 17 is blocked by spring bolt mechanism 11, pressurized capsule is positioned at the top of fidelity cylindrical shell 17 always, relies on gravity that slotting power is provided down with fidelity cylindrical shell 17; When sampler reclaims, piston 18 arrives fidelity cylindrical shell 17 upper port and backs down spring bolt mechanism 11, and live fidelity cylindrical shell 17 upper port by the deformable seal of O RunddichtringO 22, then drive the fidelity sampling tube and pass pressurized capsule from bottom to top, making fidelity cylindrical shell 17 cutter heads arrive pressurized capsule body 12 upper end seals seals, and make flap valve 13 close pressurized capsule body 12 lower seal mouths, realize pressure holding function.Be contained in the guiding device 9 of sampler the top as the accumulator 8 of pressure compensator, link to each other with pipeline, replenish the damaged of whole pressurize chamber volume, guarantee that sample strain is unlikely to descend too many with the cavity volume of pressurized capsule body 12.

(3) when winch is received wirerope, at first, whole fidelity sampling tube is upwards mentioned by jackstay 5 traction pistons 18.The petal 19 of fidelity sampling tube 17 lower ends closes up to be broken sediment sample from the bottom, sample is separated with sediment, and whole fidelity sampling tube is raised together and passes pressurized capsule from bottom to top, and two are sealed about sealing up, and have realized sedimental fidelity sampling.

Claims (1)

1. fidelity sampling integrated deep sea sediment sampler is characterized in that comprising two parts of gravity piston type sampling mechanism and pressurized capsule:
1) gravity piston type sampling mechanism: comprise weight mechanism, hang mechanism, fidelity sampling tube, accumulator (8) and spring bolt mechanism (11); Wherein:
Weight mechanism: comprise weight (1), weight cable (2), lever (3), clamping plate (4); One end of lever (3) connects a jaws which come into abutting (4) of weight (1), lever (3) through weight cable (2);
Hang mechanism: comprise discharging cable (6), guiding device (9), piston (18); Guiding device (9) upper end hangs on the lever (3) by discharging cable (6), guiding device (9) lower end is screwed in pressurized capsule body (12) upper end, the upper end of piston (18) is connected with jackstay (5), and O-ring seal (21) sealing is housed between piston (18) and the lining (20);
Fidelity sampling tube: comprise fidelity cylindrical shell (17), petal (19), lining (20); Petal (19) is placed on the step of fidelity cylindrical shell (17) lower end cutter head; Lining (20) is close to fidelity cylindrical shell (17) inwall, and the outstanding step in fidelity cylindrical shell (17) upper end is withstood in lining (20) upper end, and lining (20) lower end is pushed down on petal (19) step surface;
Spring bolt mechanism (11): be screwed in pressurized capsule body (12) upper end hole;
Accumulator (8): use anchor ear (7) and following anchor ear (10) and be fixed in the guiding device (9);
2) pressurized capsule: comprise pressurized capsule body (12), flap valve (13), bottom end cover (14), lower cover (15), back taper (16); Flap valve (13) fixes on the bottom end cover (14) with hinges fixing, be erected at a side of pressurized capsule body (12) inwall, (17 outer walls block by the fidelity cylindrical shell, bottom end cover (14) is placed on pressurized capsule body (12) support ring (25), bottom end cover (14) and lower cover (15) screw pretension, back taper (16) is buckled on the lower cover (15), lower cover (15), back taper (16) the two by screw retention in pressurized capsule body (12) lower end, one latch (26) is housed on the lower cover (15), and latch (26) inserts in the skewed slot in fidelity cylindrical shell (17) stage casing.
CN 200410089165 2004-12-01 2004-12-01 Fidelity sampling integrated deep sea sediment sampler CN1285899C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410089165 CN1285899C (en) 2004-12-01 2004-12-01 Fidelity sampling integrated deep sea sediment sampler

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332191C (en) * 2005-06-06 2007-08-15 国家海洋局第二海洋研究所 Gravity type coring apparatus
CN101318545B (en) * 2008-05-16 2010-06-09 浙江大学 Deep sea equipment throwing device
CN101169354B (en) * 2006-10-25 2010-07-14 中南大学 Deep sea offshore surface water body disturbance-free fidelity sampler
CN101551303B (en) * 2009-05-14 2011-03-16 杭州电子科技大学 A sediment sampler driven by hydrostatic pressure
CN102336259A (en) * 2011-08-05 2012-02-01 中海油田服务股份有限公司 System for putting and taking back long-column shaped samplers from broadside based on fixed bulwark hull
CN103267657A (en) * 2013-05-28 2013-08-28 中国地质大学(武汉) Fidelity secondary sampling equipment for bottom sediments
CN104004648A (en) * 2014-04-14 2014-08-27 浙江大学 Sampler for deep-sea microorganism pressure-maintaining transfer
CN104192693A (en) * 2014-07-30 2014-12-10 浙江大学 Sample liner jack catch for pressurizing and transferring hydrate sediments and application method thereof
CN104677679A (en) * 2015-01-21 2015-06-03 浙江理工大学 Water sample air-tight fidelity collection device
CN104677678A (en) * 2015-01-21 2015-06-03 浙江理工大学 Trigger floating type water sampling device
CN104677681A (en) * 2015-01-21 2015-06-03 浙江理工大学 Trigger sinking type water sampling device
CN104677677A (en) * 2015-01-21 2015-06-03 浙江理工大学 Drop-type water body acquisition system
CN104729880A (en) * 2015-01-21 2015-06-24 浙江理工大学 Equipment for sampling water bodies above seabed at fixed distance
CN104729882A (en) * 2015-01-21 2015-06-24 浙江理工大学 Pendent airtight sampler of water samples in deep sea
CN104849101A (en) * 2015-05-28 2015-08-19 国家海洋局第一海洋研究所 Deep-sea sediment sampling impact head adopting composite sealed structure
CN105424809A (en) * 2015-10-27 2016-03-23 湘潭大学 Automatic in-situ measurement device and method for longitudinal wave and acoustic wave parameters of bottom sediment
CN105571898A (en) * 2016-01-28 2016-05-11 浙江省海洋水产研究所 Seabed water sample depth-setting sampler
CN108036966A (en) * 2017-12-15 2018-05-15 国家海洋局第海洋研究所 A kind of gravity piston sampler of accurate measurement depth of penetration and gradient
CN109991038A (en) * 2019-04-17 2019-07-09 福建师范大学福清分校 A kind of bottom sediment automatic sampling device
WO2020034356A1 (en) * 2018-08-13 2020-02-20 四川大学 Pressure maintaining cylinder sealing structure

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332191C (en) * 2005-06-06 2007-08-15 国家海洋局第二海洋研究所 Gravity type coring apparatus
CN101169354B (en) * 2006-10-25 2010-07-14 中南大学 Deep sea offshore surface water body disturbance-free fidelity sampler
CN101318545B (en) * 2008-05-16 2010-06-09 浙江大学 Deep sea equipment throwing device
CN101551303B (en) * 2009-05-14 2011-03-16 杭州电子科技大学 A sediment sampler driven by hydrostatic pressure
CN102336259A (en) * 2011-08-05 2012-02-01 中海油田服务股份有限公司 System for putting and taking back long-column shaped samplers from broadside based on fixed bulwark hull
CN102336259B (en) * 2011-08-05 2013-09-18 中海油田服务股份有限公司 System for putting and taking back long-column shaped samplers from broadside based on fixed bulwark hull
CN103267657A (en) * 2013-05-28 2013-08-28 中国地质大学(武汉) Fidelity secondary sampling equipment for bottom sediments
CN103267657B (en) * 2013-05-28 2015-01-21 中国地质大学(武汉) Fidelity secondary sampling equipment for bottom sediments
CN104004648A (en) * 2014-04-14 2014-08-27 浙江大学 Sampler for deep-sea microorganism pressure-maintaining transfer
CN104004648B (en) * 2014-04-14 2015-09-09 浙江大学 A kind of Deep-Sea Microorganisms pressurize transfer sampler
CN104192693A (en) * 2014-07-30 2014-12-10 浙江大学 Sample liner jack catch for pressurizing and transferring hydrate sediments and application method thereof
CN104192693B (en) * 2014-07-30 2016-06-22 浙江大学 A kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof
CN104677679A (en) * 2015-01-21 2015-06-03 浙江理工大学 Water sample air-tight fidelity collection device
CN104677677A (en) * 2015-01-21 2015-06-03 浙江理工大学 Drop-type water body acquisition system
CN104729880A (en) * 2015-01-21 2015-06-24 浙江理工大学 Equipment for sampling water bodies above seabed at fixed distance
CN104677681A (en) * 2015-01-21 2015-06-03 浙江理工大学 Trigger sinking type water sampling device
CN104677677B (en) * 2015-01-21 2017-12-15 浙江理工大学 A kind of releasing type water body acquisition system
CN104677678A (en) * 2015-01-21 2015-06-03 浙江理工大学 Trigger floating type water sampling device
CN104677681B (en) * 2015-01-21 2017-08-11 浙江理工大学 One kind triggering sunk type water sampling device
CN104729882B (en) * 2015-01-21 2017-06-13 浙江理工大学 Deep-sea hanging type water sample air-tight sampling instrument
CN104729882A (en) * 2015-01-21 2015-06-24 浙江理工大学 Pendent airtight sampler of water samples in deep sea
CN104849101A (en) * 2015-05-28 2015-08-19 国家海洋局第一海洋研究所 Deep-sea sediment sampling impact head adopting composite sealed structure
CN105424809A (en) * 2015-10-27 2016-03-23 湘潭大学 Automatic in-situ measurement device and method for longitudinal wave and acoustic wave parameters of bottom sediment
CN105571898A (en) * 2016-01-28 2016-05-11 浙江省海洋水产研究所 Seabed water sample depth-setting sampler
CN105571898B (en) * 2016-01-28 2018-02-13 浙江省海洋水产研究所 Seabed water sample depth sampler
CN108036966A (en) * 2017-12-15 2018-05-15 国家海洋局第海洋研究所 A kind of gravity piston sampler of accurate measurement depth of penetration and gradient
CN108036966B (en) * 2017-12-15 2019-12-03 国家海洋局第一海洋研究所 A kind of gravity piston sampler of precise measurement depth of penetration and gradient
WO2020034356A1 (en) * 2018-08-13 2020-02-20 四川大学 Pressure maintaining cylinder sealing structure
CN109991038A (en) * 2019-04-17 2019-07-09 福建师范大学福清分校 A kind of bottom sediment automatic sampling device
CN109991038B (en) * 2019-04-17 2020-04-07 福建师范大学福清分校 Automatic sampling device of submarine sediment

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