CN108643879B - Underwater sand removing device - Google Patents
Underwater sand removing device Download PDFInfo
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- CN108643879B CN108643879B CN201810428857.1A CN201810428857A CN108643879B CN 108643879 B CN108643879 B CN 108643879B CN 201810428857 A CN201810428857 A CN 201810428857A CN 108643879 B CN108643879 B CN 108643879B
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- 239000004576 sand Substances 0.000 title claims abstract description 196
- 239000003921 oil Substances 0.000 claims abstract description 32
- 239000010779 crude oil Substances 0.000 claims abstract description 19
- 239000007790 solid phase Substances 0.000 claims abstract description 12
- 244000035744 Hura crepitans Species 0.000 claims description 67
- 238000005192 partition Methods 0.000 claims description 26
- 239000013535 sea water Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000006837 decompression Effects 0.000 claims 4
- 238000009434 installation Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/36—Underwater separating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to the technical field of offshore oil field exploitation, is suitable for removing sand from seabed crude oil, and particularly relates to an underwater sand removing device. The device comprises a sand removing tank, a sand transporting box, a base, a conveyor belt system and a track frame, wherein the lower ends of the sand removing tank, the conveyor belt system and the track frame are all fixed on the base near a seabed oil outlet manifold, and the lower end of the sand transporting box is installed on the conveyor belt system. Has the advantages that: the sand removing operation can be carried out at the submarine oil outlet manifold, the sand content of the crude oil is reduced, solid-phase sand is not required to be conveyed to an offshore platform through a booster pump, the energy consumption is reduced, the content of the solid-phase sand in the booster pump and an oil pipeline is reduced, and the service lives of the booster pump and the oil pipeline are prolonged; the sand deposited in the crude oil is conveyed to the sea surface through the sand conveying box, and the sand conveying box automatically ascends and descends on the track frame through the buoyancy principle without consuming energy.
Description
Technical Field
The invention relates to the technical field of offshore oil field exploitation, is suitable for removing sand from seabed crude oil, and particularly relates to an underwater sand removing device.
Background
In the process of offshore oil field exploitation, crude oil is pressurized by an underwater mixing and transporting pump and then transported to an offshore platform through an underwater oil pipeline, solid-phase impurities contained in the crude oil can generate erosion action on the underwater mixing and transporting pump and the oil pipeline, the characteristics outside the pump and the pipeline characteristics are influenced, abrasion is generated, the performance and the service life of the underwater mixing and transporting pump are reduced, and finally the yield is influenced, so that the reduction of the sand content of the crude oil is very important for prolonging the service life of the underwater mixing and transporting pump and the oil pipeline.
Disclosure of Invention
Aiming at the problem that the sand content of crude oil in some offshore oil fields is high at present, the invention provides an underwater sand removal device, which adopts the following technical scheme:
the underwater sand removing device comprises a sand removing tank, a sand transporting box, a base, a conveyor belt system and a track frame, wherein the lower ends of the sand removing tank, the conveyor belt system and the track frame are all fixed on the base near a seabed oil outlet manifold, and the lower end of the sand transporting box is installed on the conveyor belt system.
Preferably, the desanding tank comprises an oil inlet, a tank body, a sand outlet end electromagnetic valve, a sand outlet, a tank body supporting frame and an oil outlet, the produced crude oil enters the tank body through the oil inlet, solid-phase sand grains in the crude oil are gathered at the bottom of the funnel-shaped tank body through sedimentation, the crude oil after desanding enters the underwater mixed transportation pump and the oil pipeline system through the oil outlet, the tank body is installed on the tank body supporting frame, the tank body supporting frame is fixed on the base, and the sand outlet end electromagnetic valve is installed at the sand outlet of the tank body.
Preferably, the sand transporting box comprises pulley arms, a cable assembly, a top electromagnetic valve of the sand transporting box, a top sand inlet of the sand transporting box, a sand box pressure release valve, a sand box body, a first positioning pile, a second positioning pile, a third positioning pile, a fourth positioning pile, a first air inlet electromagnetic valve, a second air inlet electromagnetic valve, a first air inlet pipe, a second air inlet pipe, a first compressed air cylinder, a second compressed air cylinder, a bottom discharge valve of the sand transporting box, pulleys, a first air chamber pressure release valve, a second air chamber pressure release valve, a third air chamber pressure release valve, a fourth air chamber pressure release valve, guard rails, a first piston plate, a second piston plate, a third piston plate, a fourth piston plate, a first air chamber partition plate, a second air chamber partition plate, a first sand chamber partition plate, a first flow guide cover and a second flow guide cover, the two pulley arms are symmetrically and fixedly connected to two sides of the sand box body, and upper and lower pulleys are arranged on the inner walls of the pulley arms, three pulleys are uniformly distributed on each layer, the opening side of each pulley arm faces to the track frame, an electromagnetic valve at the top end of the sand conveying box is mounted on a sand inlet at the top end of the sand conveying box, the first positioning pile, the second positioning pile, the third positioning pile and the fourth positioning pile are fixed at the bottom of the sand box body, the lower ends of the first positioning pile, the second positioning pile, the third positioning pile and the fourth positioning pile are mounted on a conveyor belt system, the guard rail is fixed at the bottom of the sand box body, the first air chamber partition plate, the second air chamber partition plate, the first sand chamber partition plate and the second sand chamber partition plate divide the inner part of the sand box body into four air chambers and one sand chamber, the sand chambers are arranged in the middle and distributed around, a sand box is arranged at the upper end of the sand box body, a discharge valve at the bottom end of the sand conveying box is arranged at the lower end of the sand box, the discharge valve and the bottom end of the sand, The second piston plate, the third piston plate and the fourth piston plate are respectively arranged in four air chambers, the upper end surface of the sand box body is provided with a through hole communicated with each air chamber, seawater can enter and exit from the through hole on the sand box body, two ends of the first air inlet pipe are inserted into two adjacent air chambers, two ends of the second air inlet pipe are inserted into two other adjacent air chambers, the first air chamber pressure release valve, the second air chamber pressure release valve, the third air chamber pressure release valve and the fourth air chamber pressure release valve are arranged at the bottom of the sand box body and are respectively communicated with the four air chambers, compressed gas enters the air chambers through the first air inlet pipe and the second air inlet pipe, the first flow guide cover and the second flow guide cover are arranged in the sand chamber inside the sand box body, the first compressed gas cylinder and the second compressed gas cylinder are fixed at the bottom of the sand box body, and the first compressed gas cylinder is connected with the two air chambers, the second compressed gas cylinder is connected with the other two gas chambers through a second gas inlet electromagnetic valve and a second gas inlet pipe, wires led out by the top electromagnetic valve of the sand conveying box, the first gas inlet electromagnetic valve and the second gas inlet electromagnetic valve are led to the sea surface after being converged into a cable by a cable assembly, and a sand outlet at the bottom end of the desanding tank is connected with a sand inlet at the top end of the sand conveying box through a quick coupling.
Preferably, the conveyer belt system include conveyer belt, conveyer belt support, hydraulic cylinder, base, first constant head tank, second constant head tank, third constant head tank, fourth constant head tank, the lower extreme of conveyer belt support is fixed on the base, the hydraulic cylinder is fixed on the conveyer belt, the base is fixed on the piston rod of hydraulic cylinder one end, the up end of conveyer belt support and the laminating of the internal surface of conveyer belt, the up end of base is equipped with first constant head tank, second constant head tank, third constant head tank, fourth constant head tank, first constant head tank, second constant head tank, third constant head tank, fourth constant head tank cooperate with first spud, fourth spud, second spud, third spud on the sand box respectively.
Preferably, the track frame comprises a first track, a second track, a first vertical arm, a second vertical arm and an upright post, wherein the first track and the second track are fixed on the upright post through the first vertical arm and the second vertical arm respectively, the upper end of the upright post is directly communicated with the sea surface, and the lower end of the upright post is fixed on the base.
The invention has the following advantages:
(1) the sand removing operation can be carried out at the submarine oil outlet manifold, the sand content of the crude oil is reduced, solid-phase sand is not required to be conveyed to an offshore platform through a booster pump, the energy consumption is reduced, the content of the solid-phase sand in the booster pump and an oil pipeline is reduced, and the service lives of the booster pump and the oil pipeline are prolonged;
(2) the sand deposited in the crude oil is conveyed to the sea surface through the sand conveying box, and the sand conveying box automatically ascends and descends on the track frame through the buoyancy principle without consuming energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the invention relates to a front view of an underwater sand removing device;
FIG. 2: the invention relates to an overall structure schematic diagram of an underwater sand removal device;
FIG. 3: the invention relates to a structural schematic diagram of a desanding tank of an underwater desanding device;
FIG. 4: the invention relates to a structural schematic diagram of a sand conveying box of an underwater sand removing device;
FIG. 5: the invention relates to a bottom view of a sand conveying box of an underwater sand removing device;
FIG. 6: the invention relates to a side view of a sand conveying box of an underwater sand removing device;
FIG. 7: the invention relates to a sand box body section view of an underwater sand removing device;
FIG. 8: the invention relates to a cross section of a flow guide cover in a sand box body of an underwater sand removing device;
FIG. 9: the invention relates to a front view of a conveyor belt system of an underwater sand removing device;
FIG. 10: the invention relates to a top view of a conveyor belt system of an underwater sand removing device;
FIG. 11: 3 the 3 invention 3 relates 3 to 3 a 3 conveyor 3 belt 3 system 3 A 3- 3 A 3 cross 3 section 3 of 3 an 3 underwater 3 sand 3 removal 3 device 3; 3
FIG. 12: the invention relates to a track frame structure schematic diagram of an underwater sand removal device;
FIG. 13: the invention discloses a schematic movement diagram of a sand conveying box of an underwater sand removing device on a track frame.
Description of the symbols:
1. the sand removal tank comprises a sand removal tank, a sand conveying box 2, a base 3, a conveyor belt system 4, a track frame 5, a track frame 101, an oil inlet 102, a tank body 103, a sand outlet end electromagnetic valve 104, a sand outlet 105, a tank body supporting frame 106, an oil outlet 201, a pulley arm 202, a cable assembly 203, a sand conveying box top end electromagnetic valve 204, a sand conveying box top end sand inlet 205, a sand box pressure release valve 206, a sand box body 207, a first positioning pile 208, a first air inlet electromagnetic valve 209, a first air inlet pipe 209, a second positioning pile 210, a first compressed air bottle 211, a first compressed air chamber 212, a sand conveying box bottom end discharge valve 213, a second compressed air bottle 214, a third positioning pile 215, a second pressure release valve 216, a second pressure release valve air inlet, a pulley 217, a pulley 218, a fourth positioning pile 219, a first air chamber 220, a second air chamber 220, a protective guard 221, a third air chamber 222, a protective guard, 223. The hydraulic sand mill comprises a fourth air chamber pressure relief valve, 224, a first piston plate, 225, a first air chamber partition plate, 226, a second piston plate, 227, a first sand chamber partition plate, 228, a first diversion cover, 229, a second sand chamber partition plate, 230, a third piston plate, 231, a second air chamber partition plate, 232, a fourth piston plate, 233, a second diversion cover, 401, a conveyor belt, 402, a conveyor belt support, 403, a hydraulic cylinder, 404, a base, 405, a first positioning groove, 406, a second positioning groove, 407, a third positioning groove, 408, a fourth positioning groove, 501, a first rail, 502, a first vertical arm, 503, a second rail, 504, a second vertical arm, 505 and a vertical column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further illustrated by the following figures and examples:
as shown in figures 1-2, the underwater sand removing device comprises a sand removing tank (1), a sand conveying box (2), a base (3), a conveyor belt system (4) and a track frame (5), wherein the lower ends of the sand removing tank (1), the conveyor belt system (4) and the track frame (5) are all fixed on the base (3) near a seabed oil outlet manifold, and the lower end of the sand conveying box (2) is installed on the conveyor belt system (4).
As shown in fig. 1 to 3, the desanding tank (1) comprises an oil inlet (101), a tank body (102), a sand outlet end electromagnetic valve (103), a sand outlet (104), a tank body support frame (105) and an oil outlet (106), produced crude oil enters the tank body (102) through the oil inlet (101), solid phase sand in the crude oil is gathered at the bottom of the funnel-shaped tank body (102) through sedimentation, the desanded crude oil enters the underwater mixed transportation pump and oil transportation pipeline system through the oil outlet (106), the tank body (102) is installed on the tank body support frame (105), the tank body support frame (105) is fixed on the base (3), and the sand outlet end electromagnetic valve (103) is installed at the sand outlet (104) of the tank body (102).
As shown in fig. 4 to 8, the sand transportation box (2) comprises a pulley arm (201), a cable assembly (202), a sand transportation box top electromagnetic valve (203), a sand transportation box top sand inlet (204), a sand box pressure release valve (205), a sand box body (206), a first positioning pile (207), a second positioning pile (210), a third positioning pile (214), a fourth positioning pile (218), a first air inlet electromagnetic valve (208), a second air inlet electromagnetic valve (216), a first air inlet pipe (209), a second air inlet pipe (215), a first compressed air cylinder (211), a second compressed air cylinder (213), a sand transportation box bottom end discharge valve (212), a pulley (217), a first air chamber pressure release valve (219), a second air chamber pressure release valve (220), a third air chamber pressure release valve (222), a fourth air chamber pressure release valve (223), a guard rail (221), a first piston plate (224), a second piston plate (226), Third piston plate (230), fourth piston plate (232), first air chamber baffle (225), second air chamber baffle (231), first sand chamber baffle (227), second sand chamber baffle (229), first kuppe (228), second kuppe (233), pulley arm (201) are equipped with two, and the symmetry links firmly in the both sides of sand box (206), two-layer pulley about being equipped with on the inner wall of pulley arm (201), three pulley (217) of every layer equipartition, the opening side of pulley arm (201) is towards track frame (5), fortune sand box top solenoid valve (203) are installed on fortune sand box top advances sand mouth (204) for the entering of control solid phase sand, first spud (207), second spud (210), third spud (214), fourth spud (218) are fixed in sand box (206) bottom, first spud (207), The lower ends of a second positioning pile (210), a third positioning pile (214) and a fourth positioning pile (218) are mounted on a conveyor belt system (4), a protective guard (221) is fixed at the bottom of a sand box body (206) and used for protecting a compressed air cylinder and a pipeline thereof, a first air chamber partition plate (225), a second air chamber partition plate (231), a first sand chamber partition plate (227) and a second sand chamber partition plate (229) divide the interior of the sand box body (206) into four air chambers and a sand chamber, the sand chamber is arranged in the middle and the four air chambers are distributed on the periphery, a sand box pressure release valve (205) is arranged at the upper end of the sand box body (206), a sand box bottom end discharge valve (212) is arranged at the lower end of the sand box, the sand box pressure release valve (205) and the sand box bottom end discharge valve (212) are communicated with the sand chamber, and the first piston plate (224), the second piston plate (226), the third piston plate (230) and the fourth piston plate (232, the upper end surface of the sand box body (206) is provided with through holes communicated with each air chamber, seawater can enter and exit from the through holes on the sand box body (206), two ends of the first air inlet pipe (209) are inserted into two adjacent air chambers, two ends of the second air inlet pipe (215) are inserted into two other adjacent air chambers, the first air chamber pressure release valve (219), the second air chamber pressure release valve (220), the third air chamber pressure release valve (222) and the fourth air chamber pressure release valve (223) are installed at the bottom of the sand box body (206) and are respectively communicated with four air chambers, compressed gas enters the air chambers from the first air inlet pipe (209) and the second air inlet pipe (215), the first flow guide cover (228) and the second flow guide cover (233) are installed in the sand chamber inside the sand box body (206) and are used for guiding solid-phase sand entering from a sand inlet (204) at the top end of the sand box to be uniformly distributed in the sand chambers, the sand conveying amount of the sand conveying box (2) is increased, the first compressed air bottle (211) and the second compressed air bottle (213) are fixed at the bottom of the sand box body (206), the first compressed gas cylinder (211) is connected with the two air chambers through a first gas inlet electromagnetic valve (208) and a first gas inlet pipe (209), the second compressed gas bottle (213) is connected with the other two gas chambers through a second gas inlet electromagnetic valve (216) and a second gas inlet pipe (215), wires which are used for providing compressed gas for each gas chamber, discharging seawater in the gas chambers, and are led out by an electromagnetic valve (203) at the top end of the sand box, a first air inlet electromagnetic valve (208) and a second air inlet electromagnetic valve (216), the sand removing device is characterized in that the cable assembly (202) is assembled into a cable and then led to the sea surface, a sand outlet (104) at the bottom end of the sand removing tank (1) is connected with a sand inlet (204) at the top end of the sand transporting box through a quick connector, and the connection can be detached.
As shown in fig. 9 to 11, the conveyor belt system (4) includes a conveyor belt (401), a conveyor belt support (402), a hydraulic cylinder (403), a base (404), a first positioning groove (405), a second positioning groove (406), a third positioning groove (407), and a fourth positioning groove (408), the lower end of the conveyor belt support (402) is fixed on the base (3), the hydraulic cylinder (403) is fixed on the conveyor belt (401) and moves along with the conveyor belt, the base (404) is fixed on a piston rod at one end of the hydraulic cylinder (403) and moves up and down along with the piston rod, the upper end surface of the conveyor belt support (402) is attached to the inner surface of the conveyor belt (401) to support the conveyor belt (401), the upper end surface of the base (404) is provided with a first positioning groove (405), a second positioning groove (406), a third positioning groove (407), and a fourth positioning groove (408), and the first positioning groove (405), The second positioning groove (406), the third positioning groove (407) and the fourth positioning groove (408) are respectively matched with the first positioning pile (207), the fourth positioning pile (218), the second positioning pile (210) and the third positioning pile (214) on the sand conveying box (2), so that the sand conveying box (2) is fixed on the base (404).
As shown in fig. 12, the track frame (5) includes a first track (501), a second track (503), a first vertical arm (502), a second vertical arm (504), and a column (505), the first track (501) and the second track (503) are respectively fixed on the column (505) through the first vertical arm (502) and the second vertical arm (504), the upper end of the column (505) is directly connected to the sea surface, and the lower end is fixed on the base (3).
As shown in figures 1-13, the working process of the invention is divided into three stages of sinking, sand feeding and floating of the sand conveying box.
And (3) sinking the sand conveying box (2): the sand box comprises a first air chamber partition plate (225), a second air chamber partition plate (231), a first sand chamber partition plate (227) and a second sand chamber partition plate (229), wherein the interior of a sand box body (206) is divided into five areas, the sand chambers are arranged in the middle, the four air chambers are distributed around, when the sand transporting box (2) sinks, the sand chambers are empty and closed, seawater enters each air chamber through a through hole at the upper end of the sand box body (206), so that the gravity of the sand transporting box (2) with the seawater is greater than the buoyancy borne by the sand chambers, the sand transporting box (2) sinks to the bottom of a track frame (5) from the sea surface along the track frame (5), pulley arms (201) at two sides of the sand transporting box (2) are respectively sleeved on a first track (501) and a second track (503), pulleys (217) on the pulley arms (201) are matched with the first track (501) and the second track (503), so that the sand transporting box (2) sinks to the bottom of the track frame (5) stably, and at the moment, a piston rod of a, when the sand conveying box (2) approaches the bottom of the track frame (5), the first positioning pile (207), the second positioning pile (210), the third positioning pile (214) and the fourth positioning pile (218) at the bottom of the sand conveying box (2) fall into the first positioning groove (405), the third positioning groove (407), the fourth positioning groove (408) and the second positioning groove (406) on the periphery of the base (404), and the positioning of the sand conveying box (2) on the base (404) is completed, as shown in fig. 13.
And a sand feeding stage of the sand conveying box (2): the sand conveying box (2) falls on the base (404), the piston rod of the hydraulic cylinder (403) descends to drive the base (404) to descend, the conveyor belt (401) starts to move to drive the base (404) and the sand conveying box (2) to move towards the position under the sand removing tank (1) along the conveyor belt, when the base (404) moves to the position under the sand removing tank (1), the conveyor belt (401) stops moving, the piston rod of the hydraulic cylinder (403) stretches out to drive the base (404) and the sand conveying box (2) to move upwards, so that the sand outlet (104) is in butt joint with the sand inlet (204) at the top end of the sand conveying box, as shown in figure 1, after the butt joint is completed, the sand outlet end electromagnetic valve (103) and the sand conveying box top end electromagnetic valve (203) are opened, so that solid-phase sand at the bottom of the tank body (102) enters a sand chamber in the sand box body (206), and after the sand inlet is completed, the sand outlet end electromagnetic valve (103) and the sand conveying box top end electromagnetic valve (203), the piston rod of the hydraulic cylinder (403) descends to drive the base (404) to descend, the conveyor belt (401) starts to move to drive the base (404) and the sand conveying box (2) to move towards the position under the track frame (5) along the conveyor belt, after the base (404) moves to the position under the track frame (5), the conveyor belt (401) stops moving, the piston rod of the hydraulic cylinder (403) stretches out to drive the base (404) and the sand conveying box (2) to do ascending movement, and pulley arms (201) and pulleys (217) on two sides of the sand conveying box (2) are connected into the first track (501) and the second track (503), as shown in fig. 13.
The upward floating stage of the sand conveying box (2): when pulley arms (201) and pulleys (217) on two sides of the sand conveying box (2) are connected with a first track (501) and a second track (503), a first air inlet electromagnetic valve (208) and a second air inlet electromagnetic valve (216) are opened, compressed air enters four air chambers in the sand box body (206) from a first compressed air cylinder (211) and a second compressed air cylinder (213) along a first air inlet pipe (209) and a second air inlet pipe (215) to push a first piston plate (224), a second piston plate (226), a third piston plate (230) and a fourth piston plate (232) to move to the top of the sand box body (206), water in the air chambers is discharged through holes in the top of the sand box body (206), so that the buoyancy borne by the sand conveying box (2) is larger than the self-gravity, the sand conveying box (2) automatically breaks away from a base (404), and ascends to the sea surface along a track frame (5) to finish the upward floating process of the sand conveying box (2), before solid-phase sand in the sand conveying box (2) is recovered, the sand box pressure release valve (205), the first air chamber pressure release valve (219), the second air chamber pressure release valve (220), the third air chamber pressure release valve (222) and the fourth air chamber pressure release valve (223) are opened to ensure that the pressure of each chamber in the sand conveying box (2) is the same as the external pressure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. An underwater sand removing device is characterized in that: the device comprises a sand removing tank, a sand transporting box, a base, a conveyor belt system and a track frame, wherein the lower ends of the sand removing tank, the conveyor belt system and the track frame are all fixed on the base near a seabed oil outlet manifold, the lower end of the sand transporting box is installed on the conveyor belt system, and the sand transporting box comprises a pulley arm, a cable manifold, a top electromagnetic valve of the sand transporting box, a top sand inlet of the sand transporting box, a sand box body, a first positioning pile, a second positioning pile, a third positioning pile, a fourth positioning pile, a first air inlet electromagnetic valve, a second air inlet electromagnetic valve, a first air inlet pipe, a second air inlet pipe, a first compressed air cylinder, a second compressed air cylinder, a bottom discharge valve of the sand transporting box, a pulley, a first air chamber pressure release valve, a second air chamber pressure release valve, a third air chamber pressure release valve, a fourth air chamber pressure release valve, a protective guard, a first piston plate, a second piston plate, a third piston plate, a fourth piston plate, a, The sand box comprises a sand box body, a first air chamber partition plate, a second air chamber partition plate, a first sand chamber partition plate, a second sand chamber partition plate, a first air guide sleeve and a second air guide sleeve, wherein two pulley arms are arranged and symmetrically fixedly connected to two sides of the sand box body, an upper layer of pulleys and a lower layer of pulleys are arranged on the inner wall of each pulley arm, three pulleys are uniformly distributed on each layer, the opening side of each pulley arm faces a track frame, an electromagnetic valve at the top end of the sand box is arranged on a sand inlet at the top end of the sand box, a first positioning pile, a second positioning pile, a third positioning pile and a fourth positioning pile are fixed at the bottom of the sand box body, the lower ends of the first positioning pile, the second positioning pile, the third positioning pile and the fourth positioning pile are arranged on a conveying system, a guard rail is fixed at the bottom of the sand box body, and the first air chamber partition plate, the second air chamber partition plate, the first sand chamber partition plate and the, the sand chamber is arranged in the middle, the four air chambers are distributed around, the upper end of the sand box body is provided with a sand box decompression valve, the lower end of the sand box body is provided with a sand box conveying bottom end discharge valve, the sand box decompression valve and the sand conveying bottom end discharge valve are communicated with the sand chamber, the first piston plate, the second piston plate, the third piston plate and the fourth piston plate are respectively arranged in the four air chambers, the upper end surface of the sand box body is provided with through holes communicated with the air chambers, seawater can enter and exit from the through holes on the sand box body, two ends of the first air inlet pipe are inserted into the two adjacent air chambers, two ends of the second air inlet pipe are inserted into the other two adjacent air chambers, the first air chamber decompression valve, the second air chamber, the third air chamber and the fourth air chamber decompression valve are arranged at the bottom of the sand box body and are respectively communicated with the four air chambers, and compressed gas, the first air guide sleeve and the second air guide sleeve are installed in a sand chamber inside a sand box body, the first compressed air cylinder and the second compressed air cylinder are fixed at the bottom of the sand box body, the first compressed air cylinder is connected with the two air chambers through a first air inlet electromagnetic valve and a first air inlet pipe, the second compressed air cylinder is connected with the other two air chambers through a second air inlet electromagnetic valve and a second air inlet pipe, and a wire led out by a sand conveying box top electromagnetic valve, the first air inlet electromagnetic valve and the second air inlet electromagnetic valve is led to the sea surface after cables are gathered into a cable.
2. An underwater sand removal device as claimed in claim 1, wherein: the degritting jar include oil inlet, jar body, sand outlet end solenoid valve, sand outlet, jar body support frame, oil-out, the crude oil of output gets into jar body through the oil inlet, and the solid phase sand grain in the crude oil gathers in hourglass hopper-shaped jar body bottom through the sedimentation, and the crude oil of accomplishing the degritting gets into defeated oil pipe line system under water through the oil-out, jar body installation is on jar body support frame, jar body support frame is fixed on the base, sand outlet department at jar body is installed to sand outlet end solenoid valve, the sand outlet of degritting jar bottom passes through quick-operation joint with fortune sand tank top sand inlet and is connected.
3. An underwater sand removal device as claimed in claim 1, wherein: the conveyer belt system include conveyer belt, conveyer belt support, hydraulic cylinder, base, first constant head tank, second constant head tank, third constant head tank, fourth constant head tank, the lower extreme of conveyer belt support is fixed on the base, the hydraulic cylinder is fixed on the conveyer belt, the base is fixed on the piston rod of hydraulic cylinder one end, the up end of conveyer belt support and the laminating of the internal surface of conveyer belt, the up end of base is equipped with first constant head tank, second constant head tank, third constant head tank, fourth constant head tank, first constant head tank, second constant head tank, third constant head tank, fourth constant head tank cooperate with first spud, fourth spud, second spud, third spud on the sand box respectively.
4. An underwater sand removing device according to any one of claims 1 to 3, wherein: the track frame comprises a first track, a second track, a first vertical arm, a second vertical arm and an upright post, wherein the first track and the second track are fixed on the upright post through the first vertical arm and the second vertical arm respectively, the upper end of the upright post is directly communicated with the sea surface, and the lower end of the upright post is fixed on the base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810428857.1A CN108643879B (en) | 2018-05-08 | 2018-05-08 | Underwater sand removing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810428857.1A CN108643879B (en) | 2018-05-08 | 2018-05-08 | Underwater sand removing device |
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| CN108643879A CN108643879A (en) | 2018-10-12 |
| CN108643879B true CN108643879B (en) | 2020-06-02 |
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| CN201810428857.1A Expired - Fee Related CN108643879B (en) | 2018-05-08 | 2018-05-08 | Underwater sand removing device |
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| CN111697524B (en) * | 2020-07-14 | 2021-07-23 | 李思阅 | Submarine cable protection component for preventing damage |
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| DK179731B1 (en) * | 2014-04-29 | 2019-04-26 | Exxonmobil Upstreamresearch Company | Multiphase separation system |
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