CN210071392U - ROV-based deep sea multichannel in-situ fluid sampling and filtering device - Google Patents
ROV-based deep sea multichannel in-situ fluid sampling and filtering device Download PDFInfo
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- CN210071392U CN210071392U CN201920492024.1U CN201920492024U CN210071392U CN 210071392 U CN210071392 U CN 210071392U CN 201920492024 U CN201920492024 U CN 201920492024U CN 210071392 U CN210071392 U CN 210071392U
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Abstract
The utility model relates to a deep sea ocean normal position fluid filter equipment, specifically speaking is a deep sea multichannel normal position fluid sampling filter equipment based on ROV, including fluid sampling mechanism, fluid conversion passageway, fluid filter equipment and fluid storage mechanism, fluid sampling mechanism includes actuating mechanism and the temporary mechanism of preserving of fluid, the inside slide mechanism that is equipped with of the temporary mechanism of preserving of fluid, can accomplish the temporary preservation and the sealing of sample, ROV supply circuit makes actuating mechanism carry out the back and forth movement and accomplish fluid acquisition and temporary preservation, the change of valve break-make in break-make and the fluid conversion passageway through various valves (solenoid valve or mechanical valve) later for fluid passes through the filter and accomplishes fluid filtration, finally utilize the fluid sample after water bag storage filtration. The utility model discloses it is little influenced by the sample degree of depth, take that filtration passageway is many, and the sample volume is big, and corrosion resisting property is strong, and the flexible operation is stable to can acquire filtration membrane and fluid sample fast, effectively.
Description
Technical Field
The utility model relates to a deep sea ocean normal position fluid filter equipment, specifically speaking are deep sea multichannel normal position fluid filter equipment based on ROV.
Background
At present, in the aspect of obtaining suspended particles, a seawater in-situ fluid filtering device is greatly developed; but since most are single channel measurements, the advantage is large volume filtration (single suction filtration yields above 100L). A large amount of equipment and products are developed by various units at home and abroad, and good effects are achieved. For example: the development of a deep sea water in-situ sampling and graded filtering system (the function of graded filtering of a deep sea pump can be completed through time control) is completed by oceans of China academy of sciences, a large-volume water sample suction filtration sampling system of Mclean (Meglane) company in America, a deep sea hydrothermal vent microorganism filtration sampling device, a multi-stage membrane filtration pressure-maintaining sampler and the like. Although various manufacturers have various types and equipment is generally characterized in that the enrichment and filtration function is completed by high-flux water filtration, most of equipment adopts single-channel filtration, and a filter membrane of the filter device cannot be replaced underwater or is easy to block or break due to area reasons. Secondly, the filtered fluid storage function is lacked, and the fluid storage function cannot be matched with an ROV (remote Operated Vehicle), so that the fluid storage function applied to deep sea microorganism, DNA and RNA acquisition and detection cannot truly reflect the real condition under the extreme environment.
Meanwhile, the traditional sampler cannot be inserted into a biological layer, cannot obtain a multilayer sequence in-situ fluid sample of the biological layer, has a large influence on the filtration and collection of fluid at a special working station position on the deep sea bottom, and is particularly obvious in a cold spring hot liquid area. The characteristics of the situations determine that a multichannel fluid filtering membrane and a fluid sample can be obtained in a complex deep sea pressure changing environment, and a brand-new ROV-based deep sea multichannel in-situ fluid filtering device needs to be developed to overcome the difficulties.
SUMMERY OF THE UTILITY MODEL
To the weak point that above-mentioned traditional deep fluid filter exists, the utility model aims to provide a deep sea multichannel normal position fluid sampling filter equipment based on ROV. The deep sea multichannel in-situ fluid filtering device can ensure that a multichannel fluid filtering membrane and a fluid sample are obtained, and can be used in a deep sea pressure complex change environment.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises a fluid sampling mechanism, a fluid conversion channel, a liquid filtering device and a fluid storage mechanism, wherein the fluid sampling mechanism comprises a driving mechanism, a reciprocating rigid body, a sliding mechanism, a temporary fluid storage mechanism, a water inlet check valve, a water outlet check valve and a pre-filter, the driving mechanism is arranged at one end of the fluid temporary storage mechanism and is powered by an ROV, the sliding mechanism can be relatively and slidably accommodated in the fluid temporary storage mechanism, one side of the sliding mechanism is connected with the driving mechanism through the reciprocating rigid body, the other side of the sliding mechanism is a variable-volume fluid temporary storage space, the other end of the fluid temporary storage mechanism is respectively connected with a water inlet check valve and a water outlet check valve, the water inlet one-way valve is connected with a pre-filter through a rubber tube A, a water inlet is directly connected to the pre-filter, and the water outlet one-way valve is connected with a fluid conversion channel through a rubber tube B; the fluid storage mechanisms are multiple, each fluid storage mechanism is connected with the fluid conversion channel through an independent fluid filtering device, each fluid filtering device comprises a stop valve and a filter, one end of each stop valve is connected with the fluid conversion channel, the other end of each stop valve is connected with the fluid storage mechanism through the filter, and a filtering membrane is arranged in each filter;
wherein: the fluid conversion channel comprises a three-way joint, a rubber tube C and an elbow, each fluid storage mechanism positioned between the fluid storage mechanisms connected with the two ends of the fluid conversion channel corresponds to one three-way joint, one joint of the three-way joint is connected with one end of the stop valve connected with the corresponding fluid storage mechanism, and the other two joints are respectively communicated with the adjacent three-way joints through the rubber tube C; one end of a stop valve connected with a fluid storage mechanism connected with the two ends of the fluid conversion channel is connected with an elbow, and the elbow is communicated with an adjacent three-way joint through a rubber tube C;
the fluid conversion channel comprises a three-way joint, a rubber tube C, a cleaning stop valve, a cleaning port and an elbow, one end of the stop valve connected with a fluid storage mechanism connected with one end of the fluid conversion channel is connected with the elbow, the other fluid storage mechanisms correspond to one three-way joint, one joint of the three-way joint is connected with one end of the stop valve connected with the corresponding fluid storage mechanism, the second joint of the three-way joint corresponding to the fluid storage mechanism connected with the other end of the fluid conversion channel is communicated with the adjacent three-way joint through the rubber tube C, the third joint is connected with the cleaning stop valve through the rubber tube C, the cleaning stop valve is directly connected with the cleaning port, and the other two joints of the other three-way joints are respectively communicated with the adjacent three-way joint or the elbow through the rubber tube C;
the cleaning stop valve comprises a valve body, a ball rod, a ball body, a driving steering rod and a driving straight rod, wherein an inlet and an outlet which are communicated with the interior of the valve body are respectively arranged on the valve body, the inlet is connected with a third joint of the three-way joint through a rubber tube C, and the outlet is directly connected with the cleaning port; the ball rod is rotatably arranged on the valve body, one end of the ball rod is connected with a ball body positioned in the valve body, a through hole for controlling the connection or disconnection of the inlet and the outlet is formed in the ball body in a penetrating manner, the other end of the ball rod is connected with one end of a driving steering rod, the other end of the driving steering rod is hinged with one end of the driving straight rod, and the other end of the driving straight rod is a pressing end;
the length of the reciprocating rigid body is equal to the moving distance of the sliding mechanism in the fluid temporary storage mechanism;
the sliding mechanism is a piston head with the same shape as the internal shape of the fluid temporary storage mechanism, and the outer surface of the sliding mechanism is in sliding sealing contact with the inner wall of the fluid temporary storage mechanism;
the temporary fluid storage mechanism comprises a body and a sealing cover, the body is of an internal hollow structure, the two ends of the body are respectively in threaded connection with the sealing cover, the driving mechanism is installed on the sealing cover at one end, and the sealing cover at the other end is respectively connected with a water inlet one-way valve and a water outlet one-way valve;
the stop valve comprises a valve body, a ball rod, a ball body, a driving steering rod and a driving straight rod, wherein an inlet and an outlet which are communicated with the interior of the valve body are respectively arranged on the valve body, the inlet is connected with the fluid conversion channel, and the outlet is connected with the fluid storage mechanism through the filter; the ball rod is rotatably installed on the valve body, one end of the ball rod is connected with the ball body located inside the valve body, a through hole used for controlling the connection or disconnection of the inlet and the outlet is formed in the ball body in a penetrating mode, the other end of the ball rod is connected with one end of the driving steering rod, the other end of the driving steering rod is hinged to one end of the driving straight rod, and the other end of the driving straight rod is a pressing end.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses it is little influenced by the sample degree of depth, take that the passageway is many, and the sample volume is big, and corrosion resisting property is strong, and the flexible operation is stable to can acquire filtration membrane and fluid sample fast, effectively.
2. The utility model discloses the small and exquisite compactness of structure, corrosion resisting property is strong, and it is little to rotate smooth operation error to applicable complicated seabed environment under multiple degree of depth, temperature and ocean current environment, but wide application in the ocean deep sea multichannel normal position that needs strict fidelity filters and the sample.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the stop valve or cleaning stop valve of the present invention;
FIG. 4 is a schematic structural view of the stop valve or cleaning stop valve of the present invention after being connected to the driving steering rod, the driving steering shaft and the driving straight rod;
wherein: 1 is a driving oil cylinder, 2 is a sealing cover, 3 is a reciprocating rigid body, 4 is a sliding mechanism, 5 is a fluid temporary storage mechanism, 6 is a water inlet one-way valve, 7 is a water outlet one-way valve, 8 is a rubber pipe A, 9 is a pre-filter, 10 is a water inlet, 11 is a rubber pipe B, 12 is a three-way joint, 13 is a rubber pipe C, 14 is a stop valve, 15 is a cleaning stop valve, 16 is a cleaning opening, 17 is a filter, 18 is a filtering film, 19 is a water collecting bag, 20 is an elbow, 21 is an inlet, 22 is an outlet, 23 is a valve body, 24 is a ball rod, 25 is a ball, 26 is a driving steering rod, 27 is a driving steering shaft, 28 is a driving straight rod, and 29 is a mechanical hand pressing plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1, the present embodiment includes a fluid sampling mechanism, a fluid converting channel, a liquid filtering device and a fluid storage mechanism, wherein the fluid sampling mechanism includes a driving mechanism, a reciprocating rigid body 3, a sliding mechanism 4, a temporary fluid storage mechanism 5, a water inlet check valve 6, a water outlet check valve 7 and a pre-filter 9, the temporary fluid storage mechanism 5 includes a body and a cover 2, the body is an internal hollow structure, two ends of the body are respectively connected with the cover 2 by screw threads, the driving mechanism is mounted on the cover 2 at one end, and the cover 2 at the other end is respectively connected with the water inlet check valve 6 and the water outlet check valve 7; the driving mechanism of the embodiment is a driving oil cylinder 1, the driving oil cylinder 1 is connected with a sealing cover 2 at one end through a fixing bolt, and an ROV is used for providing power for the driving oil cylinder 1. The sliding mechanism 4 is accommodated in the fluid temporary storage mechanism 5 in a relatively sliding manner, one side of the sliding mechanism is connected with the driving oil cylinder 1 through the reciprocating rigid body 3, and the other side of the sliding mechanism is a fluid temporary storage space with variable volume; the sliding mechanism 4 of the present embodiment is a piston head (which may be circular or square) having the same shape as the internal shape of the body of the temporary fluid storage mechanism 5, and the outer surface of the sliding mechanism 4 is in sliding sealing contact with the inner wall of the body of the temporary fluid storage mechanism 5. The length of the reciprocating rigid body 3 is equal to the moving distance of the sliding mechanism 4 in the temporary fluid storage mechanism 5, and is used for ensuring that the fluid sample obtained in the temporary fluid storage mechanism 5 is an in-situ real sample of an observation point. The water inlet one-way valve 6 is connected with the pre-filter 9 through a rubber tube A8, a water inlet 1 is directly connected to the pre-filter 9 and is connected with external seawater, and the fluid temporary storage mechanism 5 is guaranteed to be liquid after large-particle impurities are filtered; the water outlet one-way valve 7 is connected with the fluid switching channel through a rubber pipe B11. The water inlet check valve 6 and the water outlet check valve 7 ensure the flow direction of the obtained fluid.
The fluid storage mechanism is provided with a plurality of fluid storage mechanisms, and each fluid storage mechanism is connected with the fluid conversion channel through an independent fluid filtering device; the fluid storage mechanism of this embodiment is a water collection bag 19. The fluid filtering device comprises a stop valve 14 and a filter 17, wherein one end of the stop valve 14 is connected with the fluid conversion channel, the other end of the stop valve is connected with a water collecting bag 19 through the filter 17 to finish fluid storage, a filtering membrane 18 is arranged in the filter 17, and the filtering membrane 18 can be replaced in different types according to requirements.
The fluid conversion channel comprises three-way joints 12, rubber tubes C13 and elbows 20, each water-collecting bag 19 positioned between the water-collecting bags 19 connected with the two ends of the fluid conversion channel corresponds to one three-way joint 12, one joint of the three-way joint 12 is connected with one end of a stop valve 14 connected with the corresponding water-collecting bag 19, and the other two joints are respectively communicated with the adjacent three-way joints 12 through rubber tubes C13; one end of the stop valve 14 connected to the water collecting bag 19 connected to both ends of the fluid transfer passage is connected to an elbow 20, and the elbow 20 is communicated with the adjacent three-way joint 12 through a rubber tube C13. The water collecting bag 19, the filter 17 and the stop valves 14 of the present embodiment are fifteen, and one end of each of the second to fourteenth stop valves 14 is connected to one connector of a three-way connector 12, and the other end is connected to a water collecting bag 19 through the filter 17. The first and the fifteenth water collecting bags 19 are respectively connected with two ends of the fluid conversion channel, one end of the stop valve 14 connected with the two water collecting bags 19 is respectively connected with an elbow 20, and the elbow 20 is connected with the adjacent three-way joint 12 through a rubber tube C13.
As shown in fig. 3 and 4, the stop valve 14 of the present embodiment includes a valve body 23, a ball bar 24, a ball 25, a driving steering rod 26, a driving steering shaft 27, a driving straight rod 28, and a robot pressing plate 29, wherein the valve body 23 is provided with an inlet 21 and an outlet 22 respectively communicated with the inside of the valve body 23, the inlet 21 is connected to one joint or elbow 20 of the three-way joint 12, and the outlet 22 is connected to a fluid storage mechanism (i.e., a water collection bag 19) through a filter 17. The ball rod 24 is rotatably mounted on the valve body 23, one end of the ball rod is positioned in the valve body 23 and is connected with a ball body 25 positioned in the valve body 23, and a through hole 30 for controlling the connection or disconnection of the inlet 21 and the outlet 22 is formed in the ball body 25 in a penetrating manner; the other end of the ball bar 24 is located outside the valve body 23 and is connected to one end of a driving steering rod 26, the other end of the driving steering rod 26 is hinged to one end of a driving straight rod 28 through a driving steering shaft 27, and the other end of the driving straight rod 28 is a pressing end. For pressing convenience, a mechanical hand pressing plate is arranged at the other end of the driving straight rod 28. The stop valve 14 is pressed up and down by an ROV manipulator, and the valve body 23 is opened and closed by mechanical movement, so that the ROV mechanical arm is suitable for ROV deep sea operation. When the ROV-type automatic ball valve works, the mechanical hand pressing plate 29 is pressed through a T4 mechanical hand of the ROV, the straight rod 28, the steering shaft 27, the steering rod 26 and the ball rod 24 are driven to rotate in a linkage mode sequentially, the ball body 25 is driven to rotate, and when the through hole 30 is communicated with the inlet 21 and the outlet 22 respectively, the stop valve 14 is opened; when the ball 25 rotates with the ball rod 24 to the through hole 30 and is not communicated with the inlet 21 and the outlet 22, the stop valve 14 is closed.
The hoses A8, B11, and C13 of the present example were manufactured by saint-gobain, france. The material of the water-collecting bag 19 is DEHP (polyvinyl chloride ethyl phthalate).
The whole of the embodiment is processed by using a non-metal material (such as Teflon) or a metal material with non-metal coating (such as Ti alloy), so that the pollution of the sample is avoided.
The sampling and filtering method of the deep sea multichannel in-situ fluid sampling and filtering device based on the ROV comprises the following steps:
firstly, integrally disassembling and cleaning a shore-based end; the method comprises the following steps of (1) decomposing and disassembling the whole deep sea multichannel in-situ fluid sampling and filtering device, and then cleaning;
step two, sampling, filtering and storing deep sea; assembling after cleaning, providing a hydraulic oil path for the driving oil cylinder 1 by using an ROV in an initial state, driving the sliding mechanism 4 by the reciprocating rigid body 3, and emptying the fluid in the fluid temporary storage mechanism 5; an ROV manipulator is used for grabbing a water inlet 10 to be inserted into an observation point for sampling, the ROV is used for providing a hydraulic oil path for the driving oil cylinder 1, the sliding mechanism 4 is driven to move towards one side, and negative pressure is formed inside the fluid temporary storage mechanism 5 so that fluid flows into a fluid temporary storage space through the water inlet one-way valve 6; then, the driving oil cylinder 1 drives the sliding mechanism 4 to move reversely, and the fluid temporary storage mechanism 5 discharges fluid which enters each three-way joint 12 in the fluid conversion channel through the water outlet one-way valve 7; then, sequentially opening fifteen stop valves 14 connected with each water collecting bag 19 to enable the fluid to enter a filter 17, retaining suspended particles on a filter membrane 18 to complete fluid filtration of fifteen channels, and storing the rest fluid in each water collecting bag 19, thus obtaining a deep sea fluid sample;
thirdly, taking a film and sampling at the base end of the bank; and recovering to the shore base end, detaching the filter 17 and the water collecting bag 19, and taking out the filter membrane 18 and the fluid sample to complete the whole operation.
Example two
As shown in fig. 2, the present embodiment is different from the first embodiment in that:
the fluid conversion channel comprises three-way joints 12, rubber tubes C13, cleaning stop valves 15, cleaning ports 16 and elbows 20, one end of each stop valve 14 connected with a water collection bag 19 connected with one end of the fluid conversion channel is connected with the elbow 20, the other water collection bags 19 correspond to one three-way joint 12, one joint of each three-way joint 12 is connected with one end of the corresponding stop valve 14 connected with the corresponding water collection bag 19, the second joint of each three-way joint 12 corresponding to the water collection bag 19 connected with the other end of the fluid conversion channel is communicated with the adjacent three-way joint 12 through a rubber tube C13, the third joint is connected with the cleaning stop valve 15 through a rubber tube C13, the cleaning ports 16 are directly connected with the cleaning stop valves 15, and the other two joints of the other three-way joints 12 are respectively communicated with the adjacent three-way joints 12 or elbows 20 through rubber tubes C13. The water collecting bags 19, the filters 17 and the stop valves 14 of the embodiment are fifteen respectively, one end of each of the stop valves 14 from the first to the fourteenth is connected with one connector of the three-way connector 12, and the other end is connected with one water collecting bag 19 through the filter 17; the fifteenth shut-off valve 14 is connected at one end to an elbow 20, which elbow 20 is in turn connected to the adjacent three-way connection 12 by means of a hose C13. The second of the three-way joints 12 connected to the first shut-off valve 14 is connected to the adjacent three-way joint 12 via a hose C13, and the third is connected to the purge shut-off valve 15 via a hose C13.
As shown in fig. 3 and 4, the cleaning stop valve 15 of the present embodiment includes a valve body 23, a ball bar 24, a ball 25, a driving steering rod 26, a driving steering shaft 27, a driving straight rod 28, and a manipulator pressure plate 29, wherein the valve body 23 is respectively provided with an inlet 21 and an outlet 22 communicated with the inside of the valve body 23, the inlet 21 is connected to the third joint of the three-way joint 12 through a rubber tube C13, and the outlet 22 is directly connected to the cleaning port 16. The ball rod 24 is rotatably mounted on the valve body 23, one end of the ball rod is positioned in the valve body 23 and is connected with a ball body 25 positioned in the valve body 23, and a through hole 30 for controlling the connection or disconnection of the inlet 21 and the outlet 22 is formed in the ball body 25 in a penetrating manner; the other end of the ball bar 24 is located outside the valve body 23 and is connected to one end of a driving steering rod 26, the other end of the driving steering rod 26 is hinged to one end of a driving straight rod 28 through a driving steering shaft 27, and the other end of the driving straight rod 28 is a pressing end. For pressing convenience, a mechanical hand pressing plate is arranged at the other end of the driving straight rod 28. The cleaning stop valve 15 is pressed up and down by an ROV manipulator, and the valve body 23 is cut off by mechanical movement, so that the cleaning stop valve is suitable for ROV deep sea operation. When the cleaning cut-off valve works, the mechanical hand pressing plate 29 is pressed through a T4 manipulator of the ROV, the straight rod 28, the steering shaft 27, the steering rod 26 and the ball rod 24 are driven to rotate in a linkage mode sequentially, the ball 25 is driven to rotate, and when the through hole 30 is communicated with the inlet 21 and the outlet 22 respectively, the cleaning cut-off valve 15 is opened; when the ball 25 rotates with the ball rod 24 until the through hole 30 is not communicated with the inlet 21 and the outlet 22, the cleaning stop valve 15 is closed.
The sampling and filtering method of the deep sea multichannel in-situ fluid sampling and filtering device based on the ROV comprises the following steps: the ROV is used for providing a hydraulic oil path for the driving oil cylinder 1, the on-off of a switch between the stop valve 14 and the cleaning stop valve 15 is changed, and the repeated flushing and replacement of fluid in the pipeline and the temporary fluid storage mechanism 5 are completed. And the characteristic of the precise operation of the ROV manipulator is utilized to finish the precise sampling of the specific station. After the cleaning stop valve 15 is closed, the stop valve 14 is used to open and close to complete the filtering and preservation of the fifteen-channel fluid sample. The method comprises the following specific steps:
firstly, integrally disassembling and cleaning a shore-based end; the method comprises the following steps of (1) decomposing and disassembling the whole deep sea multichannel in-situ fluid sampling and filtering device, and then cleaning;
step two, sampling, filtering and storing deep sea; after cleaning, assembling, using an ROV to provide a hydraulic oil path for the driving oil cylinder 1 in an operation range, and performing at least three times of reciprocating movement of the driving sliding mechanism 4 under the conditions that all the stop valves 14 are closed and the cleaning stop valve 15 is opened, so that repeated washing and replacement of the interior of the pipeline and the temporary fluid storage mechanism 5 are completed, and errors are reduced; in the initial state, an ROV is used for providing a hydraulic oil path for the driving oil cylinder 1, the reciprocating rigid body 3 drives the sliding mechanism 4, and the fluid in the fluid temporary storage mechanism 5 is emptied; an ROV manipulator is used for grabbing a water inlet 10 to be inserted into an observation point for sampling, the ROV is used for providing a hydraulic oil path for the driving oil cylinder 1, the sliding mechanism 4 is driven to move towards one side, and negative pressure is formed inside the fluid temporary storage mechanism 5 so that fluid flows into a fluid temporary storage space through the water inlet one-way valve 6; then, the driving oil cylinder 1 drives the sliding mechanism 4 to move reversely, and the fluid temporary storage mechanism 5 discharges fluid which enters each three-way joint 12 in the fluid conversion channel through the water outlet one-way valve 7; then, closing the cleaning stop valve 15, and sequentially opening fifteen stop valves 14 connected with the water-collecting bags 19 to enable the fluid to enter a filter 17, keeping suspended particles on a filter membrane 18 to finish fluid filtration of fifteen channels, and storing the rest fluid in the water-collecting bags 19, thus obtaining a deep sea fluid sample;
thirdly, taking a film and sampling at the base end of the bank; and recovering to the shore base end, detaching the filter 17 and the water collecting bag 19, and taking out the filter membrane 18 and the fluid sample to complete the whole operation.
The utility model discloses the small and exquisite compactness of structure, corrosion resisting property is strong, and it is little to rotate smooth operation error to applicable complicated seabed environment under multiple degree of depth, temperature and ocean current environment, but wide application in the ocean deep sea multichannel normal position that needs strict fidelity filters and the sample.
Claims (8)
1. A deep sea multichannel in situ fluid sampling filter equipment based on ROV which characterized in that: the device comprises a fluid sampling mechanism, a fluid conversion channel, a liquid filtering device and a fluid storage mechanism, wherein the fluid sampling mechanism comprises a driving mechanism, a reciprocating rigid body (3), a sliding mechanism (4), a fluid temporary storage mechanism (5), a water inlet one-way valve (6), a water outlet one-way valve (7) and a pre-filter (9), the driving mechanism is arranged at one end of the fluid temporary storage mechanism (5) and is powered by an ROV, the sliding mechanism (4) can be accommodated in the fluid temporary storage mechanism (5) in a relatively sliding manner, one side of the sliding mechanism is connected with the driving mechanism through the reciprocating rigid body (3), the other side of the sliding mechanism is a variable-volume fluid temporary storage space, the other end of the fluid temporary storage mechanism (5) is respectively connected with the water inlet one-way valve (6) and the water outlet one-way valve (7), and the water inlet one-way valve (6) is connected with the pre-filter (9) through a rubber tube A (, a water inlet (10) is directly connected to the pre-filter (9), and the water outlet one-way valve (7) is connected with the fluid conversion channel through a rubber tube B (11); the fluid storage mechanism is a plurality of fluid storage mechanisms, each fluid storage mechanism is connected with the fluid conversion channel through an independent fluid filtering device, each fluid filtering device comprises a stop valve (14) and a filter (17), one end of each stop valve (14) is connected with the fluid conversion channel, the other end of each stop valve is connected with the fluid storage mechanism through the filter (17), and a filtering membrane (18) is arranged inside each filter (17).
2. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 1, wherein: the fluid conversion channel comprises three-way joints (12), rubber tubes C (13) and elbows (20), each fluid storage mechanism positioned between the fluid storage mechanisms connected with the two ends of the fluid conversion channel corresponds to one three-way joint (12), one joint of the three-way joint (12) is connected with one end of the stop valve (14) connected with the corresponding fluid storage mechanism, and the other two joints are respectively communicated with the adjacent three-way joints (12) through the rubber tubes C (13); one end of a stop valve (14) connected with a fluid storage mechanism connected with the two ends of the fluid conversion channel is connected with an elbow (20), and the elbow (20) is communicated with an adjacent three-way joint (12) through a rubber pipe C (13).
3. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 1, wherein: the fluid conversion channel comprises a three-way joint (12), a rubber tube C (13), a cleaning stop valve (15), a cleaning port (16) and an elbow (20), one end of the stop valve (14) connected with a fluid storage mechanism connected with one end of the fluid conversion channel is connected with the elbow (20), the other fluid storage mechanisms correspond to one three-way joint (12), one joint of the three-way joint (12) is connected with one end of the stop valve (14) connected with the corresponding fluid storage mechanism, the second joint of the three-way joint (12) corresponding to the fluid storage mechanism connected with the other end of the fluid conversion channel is communicated with the adjacent three-way joint (12) through the rubber tube C (13), the third joint is connected with the cleaning stop valve (15) through the rubber tube C (13), and the cleaning port (16) is directly connected with the cleaning stop valve (15), the other two joints of the other three-way joints (12) are respectively communicated with the adjacent three-way joint (12) or the elbow (20) through the rubber pipe C (13).
4. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 3, characterized in that: the cleaning stop valve (15) comprises a valve body (23), a ball rod (24), a ball body (25), a driving steering rod (26) and a driving straight rod (28), an inlet (21) and an outlet (22) which are communicated with the interior of the valve body (23) are respectively installed on the valve body (23), the inlet (21) is connected with a third joint of the three-way joint (12) through a rubber tube C (13), and the outlet (22) is directly connected with the cleaning port (16); the ball rod (24) is rotatably mounted on the valve body (23), one end of the ball rod is connected with a ball body (25) located inside the valve body (23), a through hole (30) used for controlling the connection or disconnection of the inlet (21) and the outlet (22) penetrates through the ball body (25), the other end of the ball rod (24) is connected with one end of a driving steering rod (26), the other end of the driving steering rod (26) is hinged with one end of a driving straight rod (28), and the other end of the driving straight rod (28) is a pressing end.
5. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 1, wherein: the length of the reciprocating rigid body (3) is equal to the moving distance of the sliding mechanism (4) in the fluid temporary storage mechanism (5).
6. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 1, wherein: the sliding mechanism (4) is a piston head with the same shape as the inner shape of the fluid temporary storage mechanism (5), and the outer surface of the sliding mechanism (4) is in sliding sealing contact with the inner wall of the fluid temporary storage mechanism (5).
7. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 1, wherein: the temporary fluid storage mechanism (5) comprises a body and a sealing cover (2), the body is of an internal hollow structure, the two ends of the body are respectively in threaded connection with the sealing cover (2), the driving mechanism is installed on the sealing cover (2) at one end, and the sealing cover (2) at the other end is respectively connected with a water inlet one-way valve (6) and a water outlet one-way valve (7).
8. The ROV-based deep sea multichannel in situ fluid sampling and filtration device according to claim 1, wherein: the stop valve (14) comprises a valve body (23), a ball rod (24), a ball body (25), a driving steering rod (26) and a driving straight rod (28), an inlet (21) and an outlet (22) which are communicated with the interior of the valve body (23) are respectively arranged on the valve body (23), the inlet (21) is connected with the fluid conversion channel, and the outlet (22) is connected with the fluid storage mechanism through the filter (17); the ball rod (24) is rotatably mounted on the valve body (23), one end of the ball rod is connected with a ball body (25) located inside the valve body (23), a through hole (30) used for controlling the connection or disconnection of the inlet (21) and the outlet (22) penetrates through the ball body (25), the other end of the ball rod (24) is connected with one end of a driving steering rod (26), the other end of the driving steering rod (26) is hinged with one end of a driving straight rod (28), and the other end of the driving straight rod (28) is a pressing end.
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| CN201920492024.1U CN210071392U (en) | 2019-04-11 | 2019-04-11 | ROV-based deep sea multichannel in-situ fluid sampling and filtering device |
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| CN201920492024.1U CN210071392U (en) | 2019-04-11 | 2019-04-11 | ROV-based deep sea multichannel in-situ fluid sampling and filtering device |
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