WO2022127213A1 - 一种深海沉积物样品转移与在线检测系统及其应用方法 - Google Patents

一种深海沉积物样品转移与在线检测系统及其应用方法 Download PDF

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Publication number
WO2022127213A1
WO2022127213A1 PCT/CN2021/117457 CN2021117457W WO2022127213A1 WO 2022127213 A1 WO2022127213 A1 WO 2022127213A1 CN 2021117457 W CN2021117457 W CN 2021117457W WO 2022127213 A1 WO2022127213 A1 WO 2022127213A1
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Prior art keywords
pressure
sample
worm
motor
clamp
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PCT/CN2021/117457
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English (en)
French (fr)
Inventor
陈家旺
肖波
高巧玲
赵佳飞
盛庆华
Original Assignee
浙江大学
广州海洋地质调查局
大连理工大学
杭州电子科技大学
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Application filed by 浙江大学, 广州海洋地质调查局, 大连理工大学, 杭州电子科技大学 filed Critical 浙江大学
Priority to US17/551,695 priority Critical patent/US12025604B2/en
Publication of WO2022127213A1 publication Critical patent/WO2022127213A1/zh

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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
    • G01N1/04—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N2001/002—Devices for supplying or distributing samples to an analysing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • G01N2001/2873—Cutting or cleaving

Definitions

  • the invention relates to the field of deep-sea seabed resource detection and investigation technology and equipment development, in particular to a deep-sea sediment sample transfer and online detection system and an application method thereof.
  • the seabed contains extremely rich resources such as polymetallic nodules, drilled crusts, hydrothermal sulfides, marine organisms, oil, natural gas, natural gas hydrates and clay minerals, which are of great economic value.
  • resources such as polymetallic nodules, drilled crusts, hydrothermal sulfides, marine organisms, oil, natural gas, natural gas hydrates and clay minerals, which are of great economic value.
  • the purpose of the present invention is to provide a deep-sea sediment sample transfer and online detection system and an application method thereof, so as to solve the problems existing in the above-mentioned prior art, so that the obtained sample can be cut into any small sections under the condition of maintaining the in-situ pressure, And stored under pressure and transported to the laboratory, in order to better study the physical properties of the sediment.
  • the present invention provides the following scheme:
  • the invention provides a deep-sea sediment sample transfer and on-line detection system, including a sample grabbing and pushing device, a sample segmented cutting device, a high-pressure ball valve, a pressure-maintaining drilling tool pipe-removing device, a sub-sample pressure-maintaining storage cylinder, a cold water pool, Sample online detection device, monitoring and control system, seawater cooling and pressurization system; the sample grabbing and pushing device, sample segmented cutting device, sample online detection device, high-pressure ball valve, and pressure-maintaining drilling tool tube-releasing device are coaxial in sequence Connection settings; the seawater booster pump in the seawater cooling and booster system is connected to the water inlet main ball valve in the valve control panel through pipelines, and the valve control panel grabs and pushes the sample through the branch circuit and the valve on the branch circuit, respectively.
  • the device, the sample segment cutting device, the high-pressure ball valve, and the pressure-holding drill pipe disconnection device are connected; the cold water pool is used to cool the sampling drill, and the pressure-holding drill pipe disconnection device is used to connect the inner pipe of the sampling drill with the The inner pipe joint is disengaged, and the sample grabbing and pushing device and the sample segment cutting device are used for grabbing the sample tube, and after cutting, it is transported to the sub-sample pressure-holding storage cylinder for storage.
  • the sample grabbing and pushing device includes a first motor, a first clamp, a front section of a pressure-holding cylinder, a second clamp, a rear section of the pressure-holding cylinder, a third clamp, a rear end cover, a lead screw, Guide rail, gripper, auxiliary support slider, gripper rod, gear pair, active slider, front end cover;
  • the front section of the pressure-holding cylinder and the front-end cover are coaxially connected through the first clamp, and the front section of the pressure-holding cylinder and the rear of the pressure-holding cylinder are coaxially connected
  • the sections are coaxially connected through the second clamp, and the rear section of the pressure-holding cylinder and the rear end cover are coaxially connected through the third clamp;
  • the guide rails are installed on the front section of the pressure-holding cylinder and the rear section of the pressure-holding cylinder through screws, and the guide rails are installed on the guide rails.
  • auxiliary support sliders and active sliders There are auxiliary support sliders and active sliders.
  • the guide rails provide guidance for the axial movement of the auxiliary support sliders and the active sliders.
  • Both the active sliders and the auxiliary support sliders are coaxial with the front section of the pressure-holding cylinder, and are also coaxial with the pressure-holding cylinder.
  • the gear pair can convert the rotational motion of the lead screw into the axial translation motion of the grasping rod; the first motor is connected to one end of the lead screw through a coupling , the lead screw is driven to rotate by the first motor.
  • the sample segment cutting device includes a cabin, a right end cover, a second motor, a clamping handwheel, a left end cover, a third motor, a first worm gear, a second worm gear, and a third worm gear.
  • pair, cutter, first spiral groove plate, first clamp, second spiral groove plate; the right end cover, the left end cover and the cabin are coaxially connected by bolts; the worm gear in the first worm gear pair, the third The worm wheel, the first spiral groove disc and the second spiral groove disc in the worm gear and worm pair are all coaxially installed in the cabin.
  • the worm wheel in the worm pair is coaxially connected with the first spiral groove plate through bolts;
  • the cutter has three, and the three cutters are installed on the first spiral groove plate at 120 degrees, and the forward and reverse rotation of the first spiral groove plate
  • the first clamp has three, and the three first clamps are installed on the second spiral groove plate at 120 degrees, and the first clamp is controlled by the forward and reverse rotation of the second spiral groove plate.
  • Advance and retreat; the second motor is connected to the worm in the third worm gear through a coupling, and the movement of the third worm gear is controlled by the second motor;
  • the clamping handwheel is connected to the first worm gear through a flat key.
  • the worm in the worm gear is connected, and the movement of the first worm gear and worm pair is controlled by rotating the clamping handwheel;
  • the third motor is connected with the worm in the second worm gear and worm pair through a coupling, and the second worm gear and worm pair are controlled by the third motor. exercise.
  • the pipe removal device for the pressure maintaining drill includes an end cover, a clamping cabin, a pipe removal cabin, a pressure holding cylinder, a worm, a clamp handle, a pipe escape sleeve, a worm wheel, and a second clamp;
  • the clamp The tight cabin is connected to the end cover and the de-piping cabin by bolts, and the pressure-holding cylinder is connected to the de-piping cabin through flanges;
  • the second clamp is installed in the clamp handle through a bearing, and there are two clamp handles, which are installed symmetrically.
  • the advance and retreat of the second clamp is controlled by rotating the clamp handle; the worm gear is installed in the de-piping cabin, and the de-piping sliding sleeve is connected with the worm wheel through a sliding key, and the worm wheel is rotated by rotating the worm to drive the worm wheel to rotate.
  • the back and forth movement of the slip sleeve is controlled by rotating the clamp handle; the worm gear is installed in the de-piping cabin, and the de-piping sliding sleeve is connected with the worm wheel through a sliding key, and the worm wheel is rotated by rotating the worm to drive the worm wheel to rotate.
  • the monitoring and control system includes an operating console, a display, a valve control panel, an exhaust display device, a computer host, and a power distribution cabinet;
  • the display is used to display the core transfer process and the status of each executive element, including: The speed and torque of the first motor, the second motor and the third motor, the pressure inside the transfer system and the temperature curve of the medium;
  • the valve control panel is used to control the water inlet and exhaust of each branch;
  • the power distribution cabinet is used for It is used to supply power to each executive element and collect the data fed back by each executive element.
  • the seawater cooling and boosting system includes a seawater booster pump, a first compressor, a first condenser, a water storage tank, a first circulating pump, a second compressor, a second evaporator, and a second condenser.
  • the second circulating pump, the first evaporator, and the installation chassis together form a primary-effect cooling unit;
  • the first circulating pump, The second compressor, the second evaporator and the second condenser together form a high-efficiency cooling unit;
  • the seawater booster pump, the water storage tank, the primary-effect cooling unit and the high-efficiency cooling unit are all fixed on the installation chassis.
  • the pressure maintaining cylinder is provided with a pressure maintaining cylinder visual window, a pressure maintaining cylinder water inlet, a pressure maintaining cylinder water outlet and a pressure maintaining cylinder exhaust port;
  • the clamping cabin is provided with a clamping cabin.
  • the sub-sample pressure-maintaining storage cylinder is provided with a water inlet for the sub-sample pressure-maintaining storage cylinder, and the sub-sample pressure-retaining storage cylinder is provided.
  • the cylinder exhaust port, the pressure maintaining cylinder, the clamping chamber and the sub-sample pressure maintaining storage cylinder are all equipped with a pressure gauge and an explosion-proof valve.
  • the present invention also provides a method for applying a deep-sea sediment sample transfer and online detection system, the method comprising the following steps:
  • Step 1 Seawater cooling, fill the water storage tank with seawater, turn on the primary cooling unit, set the target temperature to 8°C, when the water temperature drops to 8°C, turn off the primary cooling unit, turn on the high-efficiency cooling unit, and set the target temperature to 3°C;
  • Step 2 Install the drilling tool. Install the sampling drilling tool in the pipe-removing device of the pressure-maintaining drilling tool. The hoop connects the drill pipe disconnection device with the high pressure ball valve;
  • Step 3 Exhaust and pressurize the system, open all the water inlet ball valves and exhaust port ball valves, and open the high-pressure ball valves to ensure the internal communication of the entire system; start the seawater booster pump, inject seawater into the system, and observe the air outlet from the exhaust display device ; After the exhaust port starts to discharge water, turn off the seawater booster pump, start the pneumatic booster pump, and repeatedly open and close the exhaust port ball valve until bubbles overflow; close all exhaust port ball valves, the system pressure begins to rise, and observe the pressure gauge reading. ; When the system pressure increases to the required value, turn off the pneumatic booster pump, and the system enters the pressure-holding state;
  • Step 4 The drilling tool is disengaged from the pipe, use the handle to turn the worm to the set number of turns, and observe whether the inner pipe joint of the drilling tool is disengaged from the inner pipe through the visual window;
  • Step 5 Grab the core, start the first motor, drive the gripper to move forward, contact and grasp the core; the first motor reverses, pulls the core out of the drilling tool to the cutting device;
  • Step 6 Cut the core, rotate the clamping handwheel on the cutting device, drive the clamping mechanism to clamp the core tube, start the second motor and the third motor, cut the core, and reset the second motor and the third motor after the cutting is completed. Reverse the clamping handwheel and reset the clamping mechanism;
  • Step 7 Pack the core samples, close the high-pressure ball valve, release the pressure in the de-tubing device, and remove the de-tubing device from the transfer system; connect the sample storage cylinder to the transfer system, exhaust and pressurize the sample storage cylinder until the pressure is reached Balance with the pressure in the transfer system, open the high-pressure ball valve; start the first motor, push the cut core sample into the sample storage cylinder, close the ball valve on the sample storage cylinder and the high-pressure ball valve on the transfer system, and remove the sample storage cylinder from the transfer system. Remove; replace with a new sample storage cylinder, repeat operations such as exhaust and pressure, and perform a new round of core cutting and storage.
  • the deep-sea sediment sample transfer and on-line detection system provided by the present invention can realize the transfer, detection and analysis, segmented cutting, sub-package storage of 3-meter-long core samples under high pressure and low temperature environment, and can maintain the system during this process.
  • the internal pressure and temperature fluctuations were kept below 5%.
  • the device can perform sonic detection and CT scanning on the core samples while transferring the core samples, which reduces the influence of the disturbance generated during the transfer process on the detection results.
  • the device can ensure that the ambient pressure and temperature of the core sample are close to its in-situ pressure and temperature.
  • Fig. 1 is the schematic diagram of deep-sea sediment sample transfer and online detection system of the present invention
  • Fig. 2 is the schematic diagram of the sample grabbing and pushing device of the present invention
  • Fig. 3 is the schematic diagram of the sample segment cutting device of the present invention.
  • Fig. 4 is the sectional schematic diagram of the sample segmented cutting device of the present invention.
  • Fig. 5 is the schematic diagram of the pipe-removing device of the pressure-maintaining drilling tool of the present invention.
  • Fig. 6 is the sectional schematic diagram of the pipe-removing device of the pressure-maintaining drilling tool of the present invention.
  • Fig. 7 is the schematic diagram of the monitoring and control system of the present invention.
  • Fig. 8 is the schematic diagram of the seawater cooling and pressurization system of the present invention.
  • valve control panel of the present invention is a schematic diagram of the connection between the valve control panel of the present invention and the pressure-holding transfer device;
  • 1-sample grabbing and pushing device 2-sample segmented cutting device; 3-high pressure ball valve; 4-pressure-maintaining drilling tool de-piping device; 5-subsample pressure-maintaining storage cylinder; 6-cold water pool; 7- -Sample online detection device; 8-Monitoring and control system; 9-Seawater cooling and pressurization system; 101-First motor; 102-First clamp; 103-Front section of pressure holding cylinder; 104-Second clamp; 105 - Rear section of pressure holding cylinder; 106 - Third clamp; 107 - Rear end cover; 108 - Lead screw; 109 - Guide rail; 110 - Gripper; 111 - Auxiliary support slider; ;114-active slider; 115-front end cover; 201-cabin body; 202-right end cover; 203-second motor; 204-clamping handwheel; 205-left end cover; 206-third motor; 207-first Worm
  • the purpose of the present invention is to provide a deep-sea sediment sample transfer and online detection system and an application method thereof, so as to solve the problems existing in the above-mentioned prior art, so that the obtained sample can be cut into any small sections under the condition of maintaining the in-situ pressure, And stored under pressure and transported to the laboratory, in order to better study the physical properties of the sediment.
  • the present invention provides a deep-sea sediment sample transfer and on-line detection system, as shown in Figures 1-9, including a sample grabbing and pushing device 1, a sample segment cutting device 2, a high-pressure ball valve 3, and a pressure-holding drilling tool disconnected from the pipe Device 4, sub-sample pressure-holding storage cylinder 5, cold water pool 6, online sample detection device 7, monitoring and control system 8, seawater cooling and pressurization system 9; sample grabbing and pushing device 1, sample segment cutting device 2, The sample online detection device 7, the high-pressure ball valve 3, and the pressure-holding drilling tool pipe-removing device 4 are coaxially connected in sequence, wherein the sample grabbing and pushing device 1 and the sample segment cutting device 2, and the sample segment cutting device 2 is online with the sample The detection device 7, the high-pressure ball valve 3 and the pressure-maintaining drilling tool de-piping device 4 are coaxially connected through a hoop, and the sample online detection device 7 and the high-pressure ball valve 3 are coaxially connected through a flange; in the seawater cooling and pressurization system
  • the sample grabbing and pushing device 1 of the deep-sea sediment sample transfer and online detection system of the present invention includes a first motor 101, a first clamp 102, a front section 103 of a pressure holding cylinder, a second clamp 104, a Cylinder rear section 105, third clamp 106, rear end cover 107, lead screw 108, guide rail 109, gripper 110, auxiliary support slider 111, gripper rod 112, gear pair 113, active slider 114, front end cover 115 ;
  • the front section 103 of the pressure-holding cylinder and the front-end cover 115 are coaxially connected through the first clamp 102, the front section 103 of the pressure-holding cylinder and the rear section 105 of the pressure-holding cylinder are coaxially connected through the second clamp 104, and the rear section 105 of the pressure-holding cylinder is connected with the rear
  • the end cover 107 is coaxially connected by the third clamp 106; the guide rail 109 is installed on the front section 103 of the pressure-holding cylinder
  • the guide rail 109 provides a guiding function for the axial movement of the auxiliary support slider 111 and the active slider 114. Both the active slider 114 and the auxiliary support slider 111 are coaxial with the front section 103 of the pressure holding cylinder, and are in contact with the inner wall of the front section 103 of the pressure holding cylinder.
  • the lead screw 108 There is a gap between the two ends of the lead screw 108; the two ends of the lead screw 108 are respectively installed on the front end cover 115 and the rear end cover 107, the lead screw 108 passes through the through holes on the active slider 114 and the auxiliary support slider 111, and the lead screw 108 is equipped with a gear pair 113
  • One end of the grab bar 112 is fixedly connected with the gear pair 113, and the other end is equipped with a grab handle 111.
  • the gear pair 113 can convert the rotational motion of the lead screw 108 into the axial translation motion of the grab bar 112, and the active slider and the lead screw 108
  • the nut is connected by a flange bearing
  • the gear pair 113 is divided into a large gear and a pinion
  • the large gear is connected with the nut of the lead screw 108 by a key
  • the grab rod 112 is fixedly connected with the pinion
  • the lead screw 108 rotates, and the active slider, the gear pair 113 and the grab bar 112 move in translation with the lead screw nut; when the first motor and the second motor work simultaneously, the lead screw and the guide groove The sleeve rotates at the same time, the lead screw nut performs translational and rotational movements at the same time, the active slider only performs translational movement, the large gear performs translational and rotational movement with the lead screw nut, and the pinion drives the grab bar 112 to perform translational and rotational movement; the first motor 101 is connected to one end of the lead screw 108 through a coupling, and the lead screw 108 is driven to rotate by the first motor 101 .
  • the sample segment cutting device 2 of the deep-sea sediment sample transfer and online detection system of the present invention includes a cabin 201, a right end cover 202, a second motor 203, a clamping handwheel 204, a left end cover 205, The third motor 206, the first worm gear pair 207, the second worm gear pair 208, the third worm gear pair 209, the cutter 210, the first spiral groove plate 211, the first clamp 212, the second spiral groove plate 213; right end cover 202.
  • the left end cover 205 and the cabin body 201 are coaxially connected by bolts; the worm gear in the first worm gear and worm pair 207, the worm gear in the third worm gear and worm pair 209, the first spiral groove disc 211, and the second spiral groove disc 213 are all Coaxially installed in the cabin 201, the worm wheel in the first worm gear and worm pair 207 is coaxially connected to the second helical groove disk 213 through bolts, and the worm wheel in the third worm gear and worm pair 209 is coaxially connected to the first helical groove disk 211 through bolts.
  • the pressure-maintaining drilling tool de-piping device 4 of the deep-sea sediment sample transfer and online detection system of the present invention includes an end cover 401, a clamping cabin 402, a de-piping cabin 403, a pressure-maintaining cylinder 404, Worm 405, clamp handle 406, de-piping sliding sleeve 407, worm wheel 408, second clamp 409; clamping cabin 402 is connected with end cover 401 and de-piping cabin 403 by bolts, and pressure-holding cylinder 404 is connected with de-piping cabin 403 are connected by flanges; the second clamp 409 is installed in the clamp handle 406 through a bearing, and there are two clamp handles 406, which are symmetrically installed on both sides of the clamping compartment 402, and the second clamp 409 is controlled by rotating the clamp handle 406 The advance and retreat of the second clamp 409 The worm gear 408 is installed in the off-tube housing 403, and the off-tube sliding sleeve 407 is connected with the
  • the inner pipe joint is clamped by the clamp 409, the slip sleeve is clamped by the expansion sleeve, the worm wheel drives the slip sleeve and the inner pipe to rotate, and the thread is unscrewed. After moving, .
  • the monitoring and control system 8 of the deep-sea sediment sample transfer and online detection system of the present invention includes an operation console 801 , a display 802 , a valve control panel 803 , an exhaust display device 804 , a computer host 805 , and a power distribution cabinet 806 ;
  • the display 802 is used to display the process of core transfer and the state of each executive element, including the rotational speed and torque of the first motor 101, the second motor 203 and the third motor 206, the pressure inside the transfer system and the temperature curve of the medium;
  • the valve control panel 803 is used to control the water intake and exhaust of each branch;
  • the power distribution cabinet 806 is used to supply power to each executive element and collect data fed back by each executive element.
  • the seawater cooling and boosting system 9 of the deep-sea sediment sample transfer and online detection system of the present invention includes a seawater booster pump 901, a first compressor 902, a first condenser 903, a water storage tank 904, a first Circulation pump 905, second compressor 906, second evaporator 907, second condenser 908, second circulation pump 909, first evaporator 910, mounting chassis 911; first compressor 902, first condenser 903 ,
  • the second circulating pump 909 and the first evaporator 910 together form a primary cooling unit, which can cool the seawater at room temperature to about 10 degrees Celsius; the first circulating pump 905, the second compressor 906, the second evaporator 907 and the second condenser
  • the coolers 908 together form a high-efficiency cooling unit, which can cool seawater at a temperature of 10 degrees Celsius to about 2 degrees Celsius;
  • One end of the main water inlet ball valve 8031 is connected to the seawater booster pump 901, and the other end is connected to the sea
  • branch 3 ball valve 8034 are respectively connected with pressure-holding drill pipe disconnecting device 4, high-pressure ball valve 3 and sample grabbing and pushing device 1, pressure-holding drill pipe disconnecting device 4, high-pressure ball valve 3, sample segment cutting device 2
  • a first exhaust port ball valve 1004, a second exhaust port ball valve 1005, a third exhaust port ball valve 1006, a fourth exhaust port ball valve 1007, and a first exhaust port ball valve are respectively connected to the sample grabbing and pushing device 1.
  • the second exhaust port ball valve 1005, the third exhaust port ball valve 1006, and the fourth exhaust port ball valve 1007 are connected to the exhaust display device 804 through pipelines, and the exhaust display device 804 is provided with a total pressure relief ball valve 8035.
  • the pipeline is connected to the main road.
  • the sample grabbing and pushing device 1 is provided with a first drain ball valve 1001 and a second drain ball valve 1002;
  • the branches where the ball valve 8033 and the branch 3 ball valve 8034 are located are respectively connected with the branch 1 pressure gauge 8038, the branch 2 pressure gauge 8037 and the branch 3 pressure gauge 8036.
  • the working method of the deep-sea sediment sample transfer and online detection system of the present invention comprises the following steps:
  • Step 1 Seawater cooling.
  • Fill the water storage tank 904 with seawater turn on the system power, turn on the primary cooling unit, set the target temperature to 8°C, when the water temperature drops to 8°C, turn off the primary cooling unit, turn on the high-efficiency cooling unit, and set the target temperature to 3°C, when the water temperature drops to 3°C, turn off the high-efficiency cooling unit;
  • Step 2 Drill tool installation. After the sampling drilling tool is lifted from the seabed to the deck, it is firstly placed in the cold water pool 6 for preliminary cooling. After the cooling is completed, the drilling tool is installed in the pressure-holding drilling tool de-piping device 4 to ensure that the second fixture 409 clamps the drilling tool.
  • the inner pipe joint of the pressure-maintaining drill is connected to the high-pressure ball valve 3 by the pipe-removing sliding sleeve 407, and the pipe-removing sleeve 407 holds the inner pipe of the drilling tool tightly.
  • 1003 and the exhaust port ball valve 1004 are connected to corresponding branches on the valve control panel 803 through pipelines;
  • Step 3 System exhaust boost. Open the main water inlet ball valve 8031, the branch 1 ball valve 8032, the branch 2 ball valve 8033, the branch 3 ball valve 8034, open the water inlet ball valve 1003, open the first outlet ball valve 1004, the second outlet ball valve 1005, and the third outlet ball valve 1005.
  • the exhaust port ball valve 1006, the fourth exhaust port ball valve 1007 close the first drain port ball valve 1001, the second drain port ball valve 1002, close the total pressure relief ball valve 8035, and open the high-pressure ball valve 3 to ensure the internal communication of the entire system; Press the pump 901, inject seawater into the system, and observe the air output in the exhaust display device 804; after the exhaust display device 804 starts to emit water, turn off the seawater booster pump 901, start the pneumatic booster pump, and repeatedly switch the first exhaust gas
  • Step 4 The drilling tool is disconnected from the pipe. Rotate the worm 405 to a certain number of turns, and observe whether the thread between the inner pipe joint and the inner pipe of the drill tool is disengaged through the visual window; reverse the handle 406 of the fixture, and retract the second fixture 409, so that the inner pipe joint of the drilling tool falls off at the bottom of the clamping compartment 402;
  • Step 5 Grab the core.
  • the gripper 110 moves forward under the drive of the lead screw 108, and sequentially passes through the sample grabbing and pushing device 1, the sample segment cutting device 2, the high-pressure ball valve 3, and the sample is online.
  • the detection device 7 enters into the pipe-removing device 4 of the pressure-maintaining drilling tool, and after contacting with the sample tube, the gripper continues to advance for a distance b and then stops, where b is two-thirds of the length of the gripper, in mm; the first motor 101 is reversed, and the core is pulled out of the drilling tool to the sample segmented cutting device 2, and the sample online detection device 7 is turned on during this process to detect the core;
  • Step 6 Cut the core. Move the core so that the distance between the end of the core and the cutter 210 is d mm, where the value of d is determined according to actual needs; turn the clamping handwheel 204 to a certain number of turns, drive the first clamp 212 to clamp the core tube, and start The second motor 203 and the third motor 206 drive the cutter 210 to cut the core tube, and the amount of feed is controlled by setting the number of revolutions of the second motor 203 and the third motor 206; after the cutting is completed, the second motor 203 and the third motor 206 Reset, retract the tool 210, reverse the clamping handwheel 204, and retract the first clamp 212;
  • Step 7 Pack the core samples. Close the high-pressure ball valve 3, release the pressure in the pressure-maintaining drill pipe removal device 4, and remove the pressure-maintaining drill pipe removal device 4 from the transfer system; connect the sub-sample pressure-maintaining storage cylinder 5 and the high-pressure ball valve 3 through the hoop Connect, exhaust and pressurize the sub-sample pressure-holding storage cylinder 5 until the pressure is balanced with the pressure in the transfer system, and open the high-pressure ball valve 3; start the first motor 101 to push the cut core sample into the sub-sample pressure-holding storage cylinder 5, Close the high-pressure ball valve 3, remove the sub-sample pressure-maintaining storage cylinder 5 from the transfer system; replace it with a new sub-sample pressure-retaining storage cylinder, repeat operations such as exhaust and pressure, and perform a new round of core cutting and storage.

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Abstract

本发明公开一种深海沉积物样品转移与在线检测系统及其应用方法，该系统的样品抓取与推送装置、样品分段切割装置、样品在线检测装置、高压球阀、保压钻具脱管装置依次同轴连接；海水增压泵通过管路与进水主球阀相连，阀门控制面板分别与样品抓取与推送装置、样品分段切割装置、高压球阀、保压钻具脱管装置连接；保压钻具脱管装置用于将取样钻具的内管与内管接头脱离，样品抓取与推送装置和样品分段切割装置用于抓取样品管，并切割后输送到子样品保压存储筒内保存。本发明基于上述系统的应用方法使取得的样品能够在维持原位压力的情况下切割为任意小段，并保压储存运输到实验室，以便更好地研究沉积物的物理性质。

Description

一种深海沉积物样品转移与在线检测系统及其应用方法 技术领域
本发明涉及深海海底资源探测与调查技术及其装备研制领域，特别是涉及一种深海沉积物样品转移与在线检测系统及其应用方法。
背景技术
海底蕴藏着极为丰富的多金属结核、钻结壳、热液硫化物、海洋生物、石油、天然气、天然气水合物以及粘土矿物等资源，这些资源具有重大的经济价值。要开发利用这些资源，首先必须了解海洋——进行海洋地质调查，以了解有关资源的种类、分布、成矿条件、资源前景等基础信息，为海洋资源勘探和开发打下必要的基础。
进行海洋地质调查的一个重要技术手段就是对深海沉积物进行取样，目前国内外海底沉积物保压取样技术已经比较成熟，它可以保持沉积物的原位压力，将其从海底提取至海面，可以提供海底沉积物的最小扰动样品。但如何将取得的样品在维持原位压力的情况下切割为任意小段，并保压储存运输到实验室，以便更好地研究沉积物的物理性质，相关研究则涉及较少。
发明内容
本发明的目的是提供一种深海沉积物样品转移与在线检测系统及其应用方法，以解决上述现有技术存在的问题，使取得的样品能够在维持原位压力的情况下切割为任意小段，并保压储存运输到实验室，以便更好地研究沉积物的物理性质。
为实现上述目的，本发明提供了如下方案：
本发明提供一种深海沉积物样品转移与在线检测系统，包括样品抓取与推送装置、样品分段切割装置、高压球阀、保压钻具脱管装置、子样品保压存储筒、冷水池、样品在线检测装置、监测与操控系统、海水冷却与增压系统；所述样品抓取与推送装置、样品分段切割装置、样品在线检测装置、高压球阀、保压钻具脱管装置依次同轴连接设置；海水冷却与增压系统中的海水增压泵通过管路与阀门控制面板中的进水主球阀相连，所 述阀门控制面板通过支路和支路上的阀门分别与样品抓取与推送装置、样品分段切割装置、高压球阀、保压钻具脱管装置连接；所述冷水池用于冷却取样钻具，所述保压钻具脱管装置用于将取样钻具的内管与内管接头脱离，所述样品抓取与推送装置和样品分段切割装置用于抓取样品管，并切割后输送到子样品保压存储筒内保存。
可选的，所述样品抓取与推送装置包括第一电机、第一卡箍、保压筒前段、第二卡箍、保压筒后段、第三卡箍、后端盖、丝杠、导轨、抓手、辅助支撑滑块、抓杆、齿轮副、主动滑块、前端盖；所述保压筒前段与前端盖通过第一卡箍同轴连接，保压筒前段与保压筒后段通过第二卡箍同轴连接，保压筒后段与后端盖通过第三卡箍同轴连接；所述导轨通过螺钉安装在保压筒前段与保压筒后段上，导轨上安装有辅助支撑滑块和主动滑块，导轨为辅助支撑滑块和主动滑块的轴向移动提供导向作用，主动滑块和辅助支撑滑块均与保压筒前段同轴，且与保压筒前段的内壁之间有间隙；所述丝杠两端分别安装在前端盖与后端盖上，丝杠穿过主动滑块和辅助支撑滑块上的通孔，丝杠上装有齿轮副，抓杆的一端与齿轮副固连，另一端装有抓手，齿轮副能够将丝杠的旋转运动转化成抓杆的轴向平移运动；所述第一电机通过联轴器与丝杠的一端相连，通过第一电机带动丝杠旋转。
可选的，所述样品分段切割装置包括舱体、右端盖、第二电机、夹紧手轮、左端盖、第三电机、第一蜗轮蜗杆副、第二蜗轮蜗杆副、第三蜗轮蜗杆副、刀具、第一螺旋槽盘、第一夹具、第二螺旋槽盘；所述右端盖、左端盖与舱体均通过螺栓同轴连接；所述第一蜗轮蜗杆副中的蜗轮、第三蜗轮蜗杆副中的蜗轮、第一螺旋槽盘、第二螺旋槽盘均同轴安装在舱体中，第一蜗轮蜗杆副中的蜗轮通过螺栓与第二螺旋槽盘同轴连接，第三蜗轮蜗杆副中的蜗轮通过螺栓与第一螺旋槽盘同轴连接；所述刀具有三个，三个所述刀具成120度安装在第一螺旋槽盘上，通过第一螺旋槽盘的正反转来控制刀具的进退；所述第一夹具有三个，三个所述第一夹具成120度安装在第二螺旋槽盘上，通过第二螺旋槽盘的正反转来控制第一夹具的进退；所述第二电机通过联轴器与第三蜗轮蜗杆副中的蜗杆相连，通过第二电机控制第三蜗轮蜗杆副的运动；所述夹紧手轮通过平键与第一蜗轮蜗杆副中 的蜗杆相连，通过转动夹紧手轮控制第一蜗轮蜗杆副的运动；所述第三电机通过联轴器与第二蜗轮蜗杆副中的蜗杆相连，通过第三电机控制第二蜗轮蜗杆副的运动。
可选的，所述保压钻具脱管装置包括端盖、夹紧舱体、脱管舱体、保压筒、蜗杆、夹具手柄、脱管滑套、蜗轮、第二夹具；所述夹紧舱体与端盖、脱管舱体均通过螺栓相连，保压筒与脱管舱体通过法兰相连；所述第二夹具通过轴承安装于夹具手柄中，夹具手柄有两个，对称安装于夹紧舱体的两侧，通过转动夹具手柄控制第二夹具的进退；所述蜗轮安装于脱管舱体中，脱管滑套通过滑键与蜗轮相连，通过转动蜗杆带动蜗轮旋转来控制脱管滑套的前后移动。
可选的，所述监测与操控系统包括操作台、显示器、阀门控制面板、排气显示装置、电脑主机、配电柜；所述显示器用来显示岩心转移的进程及各执行元件的状态，包括第一电机，第二电机和第三电机的转速与扭矩，转移系统内部的压力及介质温度曲线；所述阀门控制面板用来控制各支路的进水和排气；所述配电柜用于给各执行原件供电，并采集各执行元件反馈的数据。
可选的，所述海水冷却与增压系统包括海水增压泵、第一压缩机、第一冷凝器、储水箱、第一循环泵、第二压缩机、第二蒸发器、第二冷凝器、第二循环泵、第一蒸发器、安装底架；所述第一压缩机、第一冷凝器、第二循环泵与第一蒸发器共同组成初效冷机组；所述第一循环泵、第二压缩机、第二蒸发器与第二冷凝器共同组成高效冷机组；所述海水增压泵、储水箱、初效冷机组与高效冷机组均固定于安装底架上。
可选的，所述保压筒上开有保压筒可视窗，保压筒进水口，保压筒排水口和保压筒排气口；所述夹紧舱体上开有夹紧舱体可视窗，夹紧舱体进水口，夹紧舱体排水口和夹紧舱体排气口；所述子样品保压存储筒上开有子样品保压存储筒进水口，子样品保压存储筒排气口，所述保压筒、夹紧舱体和子样品保压存储筒均安装有压力表与防爆阀。
本发明还提供一种深海沉积物样品转移与在线检测系统的应用方法，该方法包括如下步骤：
步骤一：海水冷却，将储水箱中充满海水，开启初效冷机组，将目标温度设置为8℃，待水温降至8℃时，关闭初级冷机组，开启高效冷机组，将目标温度设置为3℃；
步骤二：钻具安装，将取样钻具安装在保压钻具脱管装置中，第二夹具夹紧取样钻具的内管接头，脱管滑套抱紧取样钻具的内管，通过抱箍将钻具脱管装置与高压球阀相连；
步骤三：系统排气增压，打开所有进水口球阀和排气口球阀，打开高压球阀，保证整个系统内部连通；启动海水增压泵，向系统内注入海水，观察排气显示装置中出气情况；排气口开始出水后，关闭海水增压泵，启动气动增压泵，反复多次开关排气口球阀，直至有气泡溢出；关闭所有排气口球阀，系统压力开始上升，观察压力表读数；系统压力增至所需值时，关闭气动增压泵，系统进入保压状态；
步骤四：钻具脱管，用手柄转动蜗杆到设定圈数，通过可视窗观察钻具内管接头与内管是否脱开；
步骤五：抓取岩心，启动第一电机，驱动抓手向前移动，接触并抓取岩心；第一电机反转，将岩心拉出钻具至切割装置处；
步骤六：切割岩心，旋转切割装置上的夹紧手轮，驱动夹紧机构将岩心管夹紧，启动第二电机和第三电机，切割岩心，切割完成后第二电机和第三电机复位，反转夹紧手轮，夹紧机构复位；
步骤七：岩心样品分装，关闭高压球阀，释放脱管装置内的压力，将脱管装置从转移系统上拆卸掉；将样品储存筒与转移系统对接，对样品储存筒排气打压，至压力与转移系统内压力平衡，打开高压球阀；启动第一电机，推动切割好的岩心样品进入样品存储筒，关闭样品存储筒上的球阀和转移系统上的高压球阀，将样品存储筒从转移系统上拆下；换上新的样品存储筒，重复排气打压等操作，进行新一轮的岩心切割及存储。
本发明相对于现有技术取得了以下技术效果：
本发明提供的深海沉积物样品转移与在线检测系统，能实现在高压低温环境下对3米长的岩心样品的转移，检测分析，分段切割，分装存储，且能够在此过程中维持系统内的压力与温度波动保持在5％以下。该装置可在转移岩心样品的同时对岩心样品进行声波检测和CT扫描，减轻了转 移过程中产生的扰动对检测结果的影响。该装置能保证岩心样品所处环境压力和温度近似于其原位压力和温度。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明深海沉积物样品转移与在线检测系统的示意图；
图2是本发明样品抓取与推送装置的示意图；
图3是本发明样品分段切割装置的示意图；
图4是本发明样品分段切割装置的剖面示意图；
图5是本发明保压钻具脱管装置的示意图；
图6是本发明保压钻具脱管装置的剖面示意图；
图7是本发明监测与操控系统的示意图；
图8是本发明海水冷却与增压系统的示意图；
图9是本发明阀门控制面板与保压转移装置的连接示意图；
图中，1-样品抓取与推送装置；2-样品分段切割装置；3-高压球阀；4-保压钻具脱管装置；5-子样品保压存储筒；6-冷水池；7-样品在线检测装置；8-监测与操控系统；9-海水冷却与增压系统；101-第一电机；102-第一卡箍；103-保压筒前段；104-第二卡箍；105-保压筒后段；106-第三卡箍；107-后端盖；108-丝杠；109-导轨；110-抓手；111-辅助支撑滑块；112-抓杆；113-齿轮副；114-主动滑块；115-前端盖；201-舱体；202-右端盖；203-第二电机；204-夹紧手轮；205-左端盖；206-第三电机；207-第一蜗轮蜗杆副；208-第二蜗轮蜗杆副；209-第三蜗轮蜗杆副；210-刀具；211-第一螺旋槽盘；212-第一夹具；213-第二螺旋槽盘；401-端盖；402-夹紧舱体；403-脱管舱体；404-保压筒；405-蜗杆；406-夹具手柄；407-脱管滑套；408-蜗轮；409-第二夹具；801-操作台；802-显示器；803-阀门控制面板；804-排气显示装置；805-电脑主机；806-配电柜；901-海水增压泵；902-第一压缩机；903-第一冷凝器；904-储水箱；905-第一循环泵；906-第二压缩机；907-第二蒸发器；908-第二冷凝器；909-第二循环 泵；910-第一蒸发器；911-安装底架；1001-第一排水口球阀；1002-第二排水口球阀；1003-进水口球阀；1004-第一排气口球阀；1005-第二排气口球阀；1006-第三排气口球阀；1007-第四排气口球阀；8031-进水主球阀；8032-支路1球阀；8033-支路2球阀；8034-支路3球阀；8035-总泄压球阀；8036-支路3压力表；8037-支路2压力表；8038-支路1压力表；8039-主路压力表。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明的目的是提供一种深海沉积物样品转移与在线检测系统及其应用方法，以解决上述现有技术存在的问题，使取得的样品能够在维持原位压力的情况下切割为任意小段，并保压储存运输到实验室，以便更好地研究沉积物的物理性质。
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
本发明提供一种深海沉积物样品转移与在线检测系统，如图1-图9所示，包括样品抓取与推送装置1、样品分段切割装置2、高压球阀3、保压钻具脱管装置4、子样品保压存储筒5、冷水池6、样品在线检测装置7、监测与操控系统8、海水冷却与增压系统9；样品抓取与推送装置1、样品分段切割装置2、样品在线检测装置7、高压球阀3、保压钻具脱管装置4依次同轴连接设置，其中，样品抓取与推送装置1与样品分段切割装置2，样品分段切割装置2与样品在线检测装置7，高压球阀3与保压钻具脱管装置4之间均通过抱箍同轴连接，样品在线检测装置7与高压球阀3通过法兰同轴连接；海水冷却与增压系统9中的海水增压泵901通过管路与阀门控制面板803中的进水主球阀8031相连，阀门控制面板803通过管路分别与样品抓取与推送装置1，样品分段切割装置2，高压球阀3，保压钻具脱管装置4连接。
如图2所示，本发明深海沉积物样品转移与在线检测系统的样品抓取与推送装置1包括第一电机101、第一卡箍102、保压筒前段103、第二卡箍104、保压筒后段105、第三卡箍106、后端盖107、丝杠108、导轨109、抓手110、辅助支撑滑块111、抓杆112、齿轮副113、主动滑块114、前端盖115；保压筒前段103与前端盖115通过第一卡箍102同轴连接，保压筒前段103与保压筒后段105通过第二卡箍104同轴连接，保压筒后段105与后端盖107通过第三卡箍106同轴连接；导轨109通过螺钉安装在保压筒前段103与保压筒后段105上，导轨109上安装有辅助支撑滑块111和主动滑块114，导轨109为辅助支撑滑块111和主动滑块114的轴向移动提供导向作用，主动滑块114和辅助支撑滑块111均与保压筒前段103同轴，且与保压筒前段103的内壁之间有间隙；丝杠108两端分别安装在前端盖115与后端盖107上，丝杠108穿过主动滑块114和辅助支撑滑块111上的通孔，丝杠108上装有齿轮副113，抓杆112的一端与齿轮副113固连，另一端装有抓手111，齿轮副113可将丝杠108的旋转运动转化成抓杆112的轴向平移运动，主动滑块与丝杠108的螺母通过法兰轴承连接，齿轮副113分为大齿轮和小齿轮，大齿轮与丝杠108的螺母通过键连接，抓杆112与小齿轮固连，与主动滑块通过法兰轴承连接。当第二电机单独工作时，丝杠108转动，主动滑块、齿轮副113、抓杆112随丝杠螺母一起做平移运动；当第一电机和第二电机同时工作时，丝杠与导槽套筒同时转动，丝杠螺母同时做平移和旋转运动，主动滑块只做平移运动，大齿轮随丝杠螺母做平移与旋转运动，小齿轮带动抓杆112做平移与旋转运动；第一电机101通过联轴器与丝杠108的一端相连，通过第一电机101带动丝杠108旋转。
如图3、4所示，本发明深海沉积物样品转移与在线检测系统的样品分段切割装置2包括舱体201、右端盖202、第二电机203、夹紧手轮204、左端盖205、第三电机206、第一蜗轮蜗杆副207、第二蜗轮蜗杆副208、第三蜗轮蜗杆副209、刀具210、第一螺旋槽盘211、第一夹具212、第二螺旋槽盘213；右端盖202、左端盖205与舱体201均通过螺栓同轴连接；第一蜗轮蜗杆副207中的蜗轮、第三蜗轮蜗杆副209中的蜗轮、第一螺旋槽盘211、第二螺旋槽盘213均同轴安装在舱体201中，第一蜗轮蜗杆副 207中的蜗轮通过螺栓与第二螺旋槽盘213同轴连接，第三蜗轮蜗杆副209中的蜗轮通过螺栓与第一螺旋槽盘211同轴连接；刀具210有三个，成120度安装在第一螺旋槽盘211上，通过第一螺旋槽盘211的正反转来控制刀具210的进退；第一夹具212有三个，成120度安装在第二螺旋槽盘213上，通过第二螺旋槽盘213的正反转来控制第一夹具212的进退；第二电机203通过联轴器与第三蜗轮蜗杆副209中的蜗杆相连，通过第二电机203控制第三蜗轮蜗杆副209的运动；夹紧手轮204通过平键与第一蜗轮蜗杆副207中的蜗杆相连，通过转动夹紧手轮204控制第一蜗轮蜗杆副207的运动；第三电机206通过联轴器与第二蜗轮蜗杆副208中的蜗杆相连，通过第三电机206控制第二蜗轮蜗杆副208的运动。
如图5、6所示，本发明深海沉积物样品转移与在线检测系统的保压钻具脱管装置4包括端盖401、夹紧舱体402、脱管舱体403、保压筒404、蜗杆405、夹具手柄406、脱管滑套407、蜗轮408、第二夹具409；夹紧舱体402与端盖401、脱管舱体403均通过螺栓相连，保压筒404与脱管舱体403通过法兰相连；第二夹具409通过轴承安装于夹具手柄406中，夹具手柄406有两个，对称安装于夹紧舱体402的两侧，通过转动夹具手柄406控制第二夹具409的进退；蜗轮408安装于脱管舱体403中，脱管滑套407通过滑键与蜗轮408相连，通过转动蜗杆405带动蜗轮408旋转来控制脱管滑套407的移动，脱管装置的作用是在高压情况下将钻具内管接头与内管之间的螺纹拧开。通过夹具409夹紧内管接头，脱管滑套通过胀紧套夹紧内管，蜗轮带动脱管滑套与内管旋转，拧开螺纹，脱管滑套与内管是通过螺纹的力往后移动的,。
如图7所示，本发明深海沉积物样品转移与在线检测系统的监测与操控系统8包括操作台801、显示器802、阀门控制面板803、排气显示装置804、电脑主机805、配电柜806；显示器802用来显示岩心转移的进程及各执行元件的状态，包括第一电机101、第二电机203和第三电机206的转速与扭矩，转移系统内部的压力及介质温度曲线；阀门控制面板803用来控制各支路的进水和排气；配电柜806用于给各执行原件供电，并采集各执行元件反馈的数据。
如图8所示，本发明深海沉积物样品转移与在线检测系统的海水冷却与增压系统9包括海水增压泵901、第一压缩机902、第一冷凝器903、储水箱904、第一循环泵905、第二压缩机906、第二蒸发器907、第二冷凝器908、第二循环泵909、第一蒸发器910、安装底架911；第一压缩机902、第一冷凝器903、第二循环泵909与第一蒸发器910共同组成初效冷机组，可将常温海水冷却到10摄氏度左右；第一循环泵905、第二压缩机906、第二蒸发器907与第二冷凝器908共同组成高效冷机组，可将10摄氏度的海水冷却到2摄氏度左右；海水增压泵901、储水箱904、初效冷机组与高效冷机组均固定于安装底架911上。进水主球阀8031一端与海水增压泵901连接，另一端分别通过主路连接有支路1球阀8032、支路2球阀8033、支路3球阀8034，支路1球阀8032、支路2球阀8033、支路3球阀8034分别与保压钻具脱管装置4、高压球阀3和样品抓取与推送装置1连接，保压钻具脱管装置4、高压球阀3、样品分段切割装置2和样品抓取与推送装置1上分别连接有第一排气口球阀1004、第二排气口球阀1005、第三排气口球阀1006、第四排气口球阀1007，第一排气口球阀1004、第二排气口球阀1005、第三排气口球阀1006、第四排气口球阀1007通过管路与排气显示装置804连接，排气显示装置804通过设置有总泄压球阀8035的管路与主路连接，样品抓取与推送装置1上设置有第一排水口球阀1001、第二排水口球阀1002；主路上连接有主路压力表8039、支路1球阀8032、支路2球阀8033、支路3球阀8034所在支路上分别连接有支路1压力表8038、支路2压力表8037和支路3压力表8036。
本发明深海沉积物样品转移与在线检测系统的工作方法包括如下步骤：
步骤一：海水冷却。将储水箱904中充满海水，接通系统电源，开启初效冷机组，将目标温度设置为8℃，待水温降至8℃时，关闭初级冷机组，开启高效冷机组，将目标温度设置为3℃，待水温降至3℃时，关闭高效冷机组；
步骤二：钻具安装。取样钻具从海底提到甲板后，先将其放到冷水池6中进行初步降温，降温结束后将钻具安装在保压钻具脱管装置4中，确保第二夹具409夹紧钻具的内管接头，脱管滑套407抱紧钻具的内管， 通过抱箍将保压钻具脱管装置4与高压球阀3相连，确保保压钻具脱管装置4上的进水口球阀1003与排气口球阀1004通过管路连接到阀门控制面板803上相应的支路中；
步骤三：系统排气增压。打开进水主球阀8031及支路1球阀8032、支路2球阀8033、支路3球阀8034，打开进水口球阀1003，打开第一排气口球阀1004、第二排气口球阀1005、第三排气口球阀1006、第四排气口球阀1007，关闭第一排水口球阀1001、第二排水口球阀1002，关闭总泄压球阀8035，打开高压球阀3，保证整个系统内部连通；启动海水增压泵901，向系统内注入海水，观察排气显示装置804中出气情况；排气显示装置804开始出水后，关闭海水增压泵901，启动气动增压泵，反复多次开关第一排气口球阀1004、第二排气口球阀1005、第三排气口球阀1006、第四排气口球阀1007，直至排气显示装置804中有极少气泡溢出；关闭第一排气口球阀1004、第二排气口球阀1005、第三排气口球阀1006、第四排气口球阀1007，系统压力开始上升，观察支路3压力表8036、支路2压力表8037、支路1压力表8038、主路压力表8039读数；系统压力增至a MPa时，关闭气动增压泵，系统进入保压状态，其中a的值根据取样深度而定。
步骤四：钻具脱管。转动蜗杆405到一定圈数，通过可视窗观察钻具内管接头与内管之间的螺纹是否脱开；反转夹具手柄406，将第二夹具409退回，使钻具的内管接头掉落在夹紧舱体402的底部；
步骤五：抓取岩心。启动第一电机101，带动丝杠108旋转，抓手110在丝杠108的驱动下向前移动，依次穿过样品抓取与推送装置1，样品分段切割装置2，高压球阀3，样品在线检测装置7，进入保压钻具脱管装置4中，与样品管接触后，抓手继续前进距离b后停下，其中b为抓手长度的三分之二，单位为mm；第一电机101反转，将岩心拉出钻具至样品分段切割装置2中，此过程中开启样品在线检测装置7，对岩心进行检测；
步骤六：切割岩心。移动岩心，使岩心尾端与刀具210之间的距离为d mm，其中d的值根据实际需求确定；转动夹紧手轮204到一定圈数，驱动第一夹具212将岩心管夹紧，启动第二电机203和第三电机206，驱 动刀具210切割岩心管，进刀量通过设置第二电机203和第三电机206转动的圈数来控制；切割完成后第二电机203和第三电机206复位，将刀具210退回，反转夹紧手轮204，使第一夹具212退回；
步骤七：岩心样品分装。关闭高压球阀3，泄掉保压钻具脱管装置4中的压力，将保压钻具脱管装置4从转移系统上拆卸掉；通过抱箍将子样品保压存储筒5与高压球阀3连接，对子样品保压存储筒5排气打压，至压力与转移系统内压力平衡，打开高压球阀3；启动第一电机101，推动切割好的岩心样品进入子样品保压存储筒5中，关闭高压球阀3，将子样品保压存储筒5从转移系统上拆下；换上新的子样品保压存储筒，重复排气打压等操作，进行新一轮的岩心切割及存储。
本发明中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本发明的限制。

Claims (8)

  1. 一种深海沉积物样品转移与在线检测系统，其特征在于：包括样品抓取与推送装置、样品分段切割装置、高压球阀、保压钻具脱管装置、子样品保压存储筒、冷水池、样品在线检测装置、监测与操控系统、海水冷却与增压系统；所述样品抓取与推送装置、样品分段切割装置、样品在线检测装置、高压球阀、保压钻具脱管装置依次同轴连接设置；海水冷却与增压系统中的海水增压泵通过管路与阀门控制面板中的进水主球阀相连，所述阀门控制面板通过支路和支路上的阀门分别与样品抓取与推送装置、样品分段切割装置、高压球阀、保压钻具脱管装置连接；所述冷水池用于冷却取样钻具，所述保压钻具脱管装置用于将取样钻具的内管与内管接头脱离，所述样品抓取与推送装置和样品分段切割装置用于抓取样品管，并切割后输送到子样品保压存储筒内保存。
  2. 根据权利要求1所述的深海沉积物样品转移与在线检测系统，其特征在于：所述样品抓取与推送装置包括第一电机、第一卡箍、保压筒前段、第二卡箍、保压筒后段、第三卡箍、后端盖、丝杠、导轨、抓手、辅助支撑滑块、抓杆、齿轮副、主动滑块、前端盖；所述保压筒前段与前端盖通过第一卡箍同轴连接，保压筒前段与保压筒后段通过第二卡箍同轴连接，保压筒后段与后端盖通过第三卡箍同轴连接；所述导轨通过螺钉安装在保压筒前段与保压筒后段上，导轨上安装有辅助支撑滑块和主动滑块，导轨为辅助支撑滑块和主动滑块的轴向移动提供导向作用，主动滑块和辅助支撑滑块均与保压筒前段同轴，且与保压筒前段的内壁之间有间隙；所述丝杠两端分别安装在前端盖与后端盖上，丝杠穿过主动滑块和辅助支撑滑块上的通孔，丝杠上装有齿轮副，抓杆的一端与齿轮副固连，另一端装有抓手，齿轮副能够将丝杠的旋转运动转化成抓杆的轴向平移运动；所述第一电机通过联轴器与丝杠的一端相连，通过第一电机带动丝杠旋转。
  3. 根据权利要求2所述的深海沉积物样品转移与在线检测系统，其特征在于：所述样品分段切割装置包括舱体、右端盖、第二电机、夹紧手轮、左端盖、第三电机、第一蜗轮蜗杆副、第二蜗轮蜗杆副、第三蜗轮蜗杆副、刀具、第一螺旋槽盘、第一夹具、第二螺旋槽盘；所述右端盖、左 端盖与舱体均通过螺栓同轴连接；所述第一蜗轮蜗杆副中的蜗轮、第三蜗轮蜗杆副中的蜗轮、第一螺旋槽盘、第二螺旋槽盘均同轴安装在舱体中，第一蜗轮蜗杆副中的蜗轮通过螺栓与第二螺旋槽盘同轴连接，第三蜗轮蜗杆副中的蜗轮通过螺栓与第一螺旋槽盘同轴连接；所述刀具有三个，三个所述刀具成120度安装在第一螺旋槽盘上，通过第一螺旋槽盘的正反转来控制刀具的进退；所述第一夹具有三个，三个所述第一夹具成120度安装在第二螺旋槽盘上，通过第二螺旋槽盘的正反转来控制第一夹具的进退；所述第二电机通过联轴器与第三蜗轮蜗杆副中的蜗杆相连，通过第二电机控制第三蜗轮蜗杆副的运动；所述夹紧手轮通过平键与第一蜗轮蜗杆副中的蜗杆相连，通过转动夹紧手轮控制第一蜗轮蜗杆副的运动；第二蜗轮蜗杆副中的蜗轮位于第一夹具和刀具之间，且与第一螺旋盘槽同轴连接，所述第三电机通过联轴器与第二蜗轮蜗杆副中的蜗杆相连，通过第三电机控制第二蜗轮蜗杆副的运动。
  4. 根据权利要求3所述的深海沉积物样品转移与在线检测系统，其特征在于：所述保压钻具脱管装置包括端盖、夹紧舱体、脱管舱体、保压筒、蜗杆、夹具手柄、脱管滑套、蜗轮、第二夹具；所述夹紧舱体与端盖、脱管舱体均通过螺栓相连，保压筒与脱管舱体通过法兰相连；所述第二夹具通过轴承安装于夹具手柄中，第二夹具手柄有两个，对称安装于夹紧舱体的两侧，通过转动夹具手柄控制第二夹具的进退；所述蜗轮安装于脱管舱体中，脱管滑套通过滑键与蜗轮相连，通过转动蜗杆带动蜗轮旋转来控制脱管滑套的移动。
  5. 根据权利要求4所述的深海沉积物样品转移与在线检测系统，其特征在于：所述监测与操控系统包括操作台、显示器、阀门控制面板、排气显示装置、电脑主机、配电柜；所述显示器用来显示岩心转移的进程及各执行元件的状态，包括第一电机，第二电机和第三电机的转速与扭矩，转移系统内部的压力及介质温度曲线；所述阀门控制面板用来控制各支路的进水和排气；所述配电柜用于给各执行原件供电，并采集各执行元件反馈的数据。
  6. 根据权利要求5所述的深海沉积物样品转移与在线检测系统，其 特征在于：所述海水冷却与增压系统包括海水增压泵、第一压缩机、第一冷凝器、储水箱、第一循环泵、第二压缩机、第二蒸发器、第二冷凝器、第二循环泵、第一蒸发器、安装底架；所述第一压缩机、第一冷凝器、第二循环泵与第一蒸发器共同组成初效冷机组；所述第一循环泵、第二压缩机、第二蒸发器与第二冷凝器共同组成高效冷机组；所述海水增压泵、储水箱、初效冷机组与高效冷机组均固定于安装底架上。
  7. 根据权利要求6所述的深海沉积物样品转移与在线检测系统，其特征在于：所述保压筒上开有保压筒可视窗，保压筒进水口，保压筒排水口和保压筒排气口；所述夹紧舱体上开有夹紧舱体可视窗，夹紧舱体进水口，夹紧舱体排水口和夹紧舱体排气口；所述子样品保压存储筒上开有子样品保压存储筒进水口，子样品保压存储筒排气口，所述保压筒、夹紧舱体和子样品保压存储筒上均安装有压力表与防爆阀。
  8. 一种深海沉积物样品转移与在线检测系统的应用方法，其特征在于：包括如下步骤：
    步骤一：海水冷却，将储水箱中充满海水，开启初效冷机组，将目标温度设置为8℃，待水温降至8℃时，关闭初级冷机组，开启高效冷机组，将目标温度设置为3℃；
    步骤二：钻具安装，将取样钻具安装在保压钻具脱管装置中，夹具夹紧取样钻具的内管接头，脱管滑套抱紧取样钻具的内管，通过抱箍将钻具脱管装置与高压球阀相连；
    步骤三：系统排气增压，打开所有进水口球阀和排气口球阀，打开高压球阀，保证整个系统内部连通；启动海水增压泵，向系统内注入海水，观察排气显示装置中出气情况；排气口开始出水后，关闭海水增压泵，启动气动增压泵，反复多次开关排气口球阀，直至有气泡溢出；关闭所有排气口球阀，系统压力开始上升，观察所有压力表读数；系统压力增至所需值时，关闭气动增压泵，系统进入保压状态；
    步骤四：钻具脱管，用手柄转动蜗杆到设定圈数，通过可视窗观察钻具内管接头与内管是否脱开；
    步骤五：抓取岩心，启动第一电机，驱动抓手向前移动，接触并抓取 岩心；第一电机反转，将岩心拉出钻具至切割装置处；
    步骤六：切割岩心，旋转切割装置上的夹紧手轮，驱动夹紧机构将岩心管夹紧，启动第二电机和第三电机，切割岩心，切割完成后第二电机和第三电机复位，反转夹紧手轮，夹紧机构复位；
    步骤七：岩心样品分装，关闭高压球阀，释放脱管装置内的压力，将脱管装置从转移系统上拆卸掉；将样品储存筒与转移系统对接，对样品储存筒排气打压，至压力与转移系统内压力平衡，打开高压球阀；启动第一电机，推动切割好的岩心样品进入样品存储筒，关闭样品存储筒上的球阀和转移系统上的高压球阀，将样品存储筒从转移系统上拆下；换上新的样品存储筒，重复排气打压等操作，进行新一轮的岩心切割及存储。
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