CN116255150A - Mineral conveying long-distance pump pipe system suitable for movable deep sea mining mode - Google Patents
Mineral conveying long-distance pump pipe system suitable for movable deep sea mining mode Download PDFInfo
- Publication number
- CN116255150A CN116255150A CN202211462996.9A CN202211462996A CN116255150A CN 116255150 A CN116255150 A CN 116255150A CN 202211462996 A CN202211462996 A CN 202211462996A CN 116255150 A CN116255150 A CN 116255150A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pump
- thrust
- flow
- conveying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 47
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 43
- 239000011707 mineral Substances 0.000 title claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 5
- 230000002776 aggregation Effects 0.000 claims description 4
- 238000004220 aggregation Methods 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000002002 slurry Substances 0.000 description 6
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 108010066278 cabin-4 Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000027744 congestion Diseases 0.000 description 2
- 238000004401 flow injection analysis Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
- E21C50/02—Obtaining minerals from underwater, not otherwise provided for dependent on the ship movements
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention relates to a mineral conveying long-distance pump pipe system suitable for a movable deep sea mining mode, which comprises an ore pulp pump, a multifunctional multi-directional thrust module, a conveying hard pipe and a relay cabin, wherein the ore pulp pump, the multifunctional multi-directional thrust module and the relay cabin are connected in series through the conveying hard pipe to form a long-distance pump pipe conveying system; the relay cabin is connected with the mining vehicle through a hose; the single multifunctional multidirectional thrust module consists of an inner annular through-flow pipeline, a cable inlet pipeline, a built-in small propulsion pump, an injection pipeline containing an electric valve and a sea-through inlet pipeline, wherein the small propulsion pump is arranged inside the inner annular through-flow pipeline and is fixed with the outer inner annular through-flow pipeline through the cable inlet pipeline at the upper end, the middle injection pipeline and the sea-through inlet pipeline at the lower end, and water flow is generated during operation of the small propulsion pump to spray outwards through the injection pipeline to generate thrust, so that the functions of providing mobile thrust for a long-distance pump pipe conveying system and providing thrust for local posture adjustment are achieved.
Description
Technical Field
The invention relates to a mineral conveying pump pipe system for deep sea mining, in particular to a high-reliability mineral conveying long-distance pump pipe system suitable for a movable deep sea mining mode.
Background
Currently, a deep sea mineral exploitation system (fig. 1) mainly comprises a submarine mine collecting vehicle, a mineral conveying system, a sea surface mining ship and the like, wherein the mineral conveying system mainly comprises a mineral slurry pump, a conveying hard pipe, a relay cabin and the like.
In the deep sea polymetallic nodule (also called manganese nodule) mining process, due to the characteristic that spheroids are scattered on the surface of the sea, a deep sea mining system (including a submarine mine collecting vehicle, a mineral conveying system, a sea surface mining ship and the like) needs to adopt an operation mode of regional collection, slow movement, regional collection and slow movement ….
In the moving process of the deep sea multi-metal nodule mining system, the surface mining ship 12 and the seabed mine collecting vehicle 11 are respectively provided with power to move, and the whole mineral pump pipe system is not provided with power to move independently, so that the whole conveying system can be dragged by the upper surface mining ship. The multi-metal nodules are mainly distributed on the surface layer of the seabed with the water depth of 4000-6000 m, so that the mineral conveying system is an ultra-long pump pipe system which comprises a hard pipe 3, a pulp pump 1 and a relay cabin 4 and is more than 4000 m long, and the ultra-long pump pipe system is extremely easy to be damaged or even broken due to uneven stress in the dragging process, so that the operation of the whole mining system is influenced. At present, related research institutions at home and abroad and the like have proposed the problems and have carried out related studies, but no improvement measures or schemes have been proposed yet.
Meanwhile, in the deep sea mineral exploitation system operation process, the ultra-long pump pipe system can be subjected to the acting force of ocean currents with different depths below the sea surface, when the acting force of ocean currents with certain depth is large, the local stress of the pump pipe system is large, the risk of local pipeline damage and even fracture is generated, and the operation of the whole mineral exploitation system is greatly influenced.
Disclosure of Invention
The invention provides a high-reliability mineral conveying long-distance pump pipe system suitable for a movable deep sea mining mode, and aims to meet the requirement that the whole conveying system needs to be moved in a stepwise manner in the multi-metal nodule mining process, and a multifunctional multi-direction thrust module is integrated in the mineral conveying system to play a role in providing power for the whole movement of the conveying system and improve the operation reliability of the mineral conveying long-distance pump pipe system in the movable deep sea mining mode; meanwhile, in the normal operation process of the deep sea mineral exploitation system, the ultra-long pump pipe system receives the acting force of ocean currents with different depths below the sea surface, when the acting force of ocean currents with a certain depth is larger, and the local stress of the pump pipe system at the depth greatly influences the safety of the pump pipe system, according to the monitoring feedback of the state of the long-distance pump pipe system, the system starts a thrust module near the stress influence part of the pipe system, combines the operation of a small-sized propulsion pump at different rotating speeds and the opening of an electric valve, generates thrust with the direction opposite to the external ocean current acting force, adjusts the local posture of the long-distance pump pipe system, counteracts or weakens the adverse effect of the external acting force on the pump pipe system, reduces the risk of damage and even fracture of a system pipeline caused by the local excessive stress, and accordingly improves the reliability and the stability of the operation of the mineral transportation long-distance pump pipe system; thirdly, the arrangement of the plurality of multifunctional multidirectional thrust modules in the pump pipe system plays a role in dredging and preventing blocking for the flow of the ore pulp containing large-particle solids in the long-distance pump pipe system to a certain extent, so that the operation stability of the long-distance pump pipe system for conveying the ore pulp is improved.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the mineral conveying long-distance pump pipe system suitable for the movable deep sea mining mode comprises a mineral slurry pump, a multifunctional multidirectional thrust module, a conveying hard pipe and a relay cabin, wherein the mineral slurry pump, the multifunctional multidirectional thrust module and the relay cabin are connected in series through the conveying hard pipe to form the long-distance pump pipe conveying system; the relay cabin is connected with the mining vehicle through a hose; the single multifunctional multidirectional thrust module consists of an inner annular through-flow pipeline, a cable inlet pipeline, a built-in small propulsion pump, an injection pipeline containing an electric valve and a sea-through inlet pipeline, wherein the small propulsion pump is arranged inside the inner annular through-flow pipeline and is fixed with the outer inner annular through-flow pipeline through the cable inlet pipeline at the upper end, the middle injection pipeline and the sea-through inlet pipeline at the lower end, and water flow is generated during operation of the small propulsion pump to spray outwards through the injection pipeline to generate thrust, so that the functions of providing mobile thrust for a long-distance pump pipe conveying system and providing thrust for local posture adjustment are achieved.
Furthermore, the outer shell of the inner annular through-flow pipeline is a thrust module outer shell, and the inlet and the outlet of the annular through-flow pipeline, namely the inlet and the outlet of the thrust module are consistent with the interface of the conveying hard pipe, so that the thrust module is conveniently connected in series in the long-distance pump pipe system.
Further, the cable inlet pipeline in the multifunctional multidirectional thrust module provides power for the thrust module through a cable and plays a role in fixing the upper end of the small-sized propulsion pump; meanwhile, the cable inlet pipe is positioned in the area where the annular through-flow pipeline is connected with the mineral conveying hard pipe for transition, so that a certain dredging effect can be achieved on ore pulp flowing in the channel, solid particles in the ore pulp are prevented from being gathered and jammed, and the blocking risk is reduced;
further, the number of the cable inlet pipelines is determined according to cable arrangement, the upper end of the small propulsion pump and the pulp flow dredging requirement, and the cable inlet pipelines are mixed according to different conditions of pulp concentration, granularity and flow characteristics by adopting one or more of round, oval, wing-shaped and diamond-shaped shapes.
Furthermore, the injection pipeline in the multifunctional multidirectional thrust module consists of a pipeline and an electric valve, and the injection pipeline can control the direction and the magnitude of external water flow injection by combining the rotation speed adjustment of the small-sized propulsion pump and the opening and closing of the electric valve through an outlet pipeline for forming thrust by external water flow injection, so that the direction and the magnitude of the thrust are controlled; the injection pipeline plays a role in fixing the middle part of the small propulsion pump; and the jet pipeline is positioned in the middle of the inner annular flow passage pipeline, so that a certain dredging effect can be achieved on ore pulp passing through the middle of the annular flow passage pipeline, aggregation of solid particles in the ore pulp is prevented, and the risk of partial blockage is reduced.
Further, the jet pipeline is used for determining the size and the number of the through flow diameters of the jet pipeline according to the required thrust and the posture adjustment requirement of a long-distance pump pipe conveying system and considering the fixed small-sized propulsion pump and the pulp dredging effect, and the jet pipeline is mixed and arranged in one or more of circular, elliptic, airfoil and rhombic shapes according to the pulp concentration, granularity and flow characteristics;
further, the sea water inlet pipeline in the multifunctional multidirectional thrust module is an inlet pipeline for seawater of a working medium of a built-in small propulsion pump; the lower end of the built-in small-sized propelling pump is fixed; the brown sea inflow pipeline is positioned in the inlet area of the lower part of the inner annular inflow pipeline, can play a certain role in dredging ore pulp entering from the lower part of the annular inflow pipeline, prevents solid particles at the inlet of the annular inflow pipeline from gathering, and reduces the risk of inlet blockage.
Further, the sea-through inflow pipeline determines the size and the number of the inflow pipelines according to the flow requirement of the small propulsion pump, the lower end fixing requirement and the pulp dredging requirement, and the appearance of the inflow pipeline is arranged or mixed with a plurality of appearances in a circular shape, an elliptic shape, an airfoil shape and a diamond shape according to the pulp concentration, the granularity and the flow characteristic;
further, the small propulsion pump in the multifunctional multidirectional thrust module is arranged inside the annular draft tube and is fixedly connected with the multifunctional multidirectional thrust module shell through the inlet tube, the jet tube and the inlet tube; the small-sized propulsion pump is driven by variable frequency, and can provide jet water flows with different flow rates and lifts by adjusting the rotating speed and combining with the opening and closing of the electric valve in the jet pipeline, so as to provide thrust meeting requirements for the movement and posture adjustment of the long-distance pump pipe system conveying system.
Further, the multifunctional multidirectional thrust modules are used for determining the number of the multifunctional multidirectional thrust modules required by the whole pump pipe system and the specific arrangement positions in the system according to the deep sea mining depth, the composition of the long-distance pump pipe conveying system, the material of the conveying hard pipes, the connection mode between the conveying hard pipes and the connection mode between the conveying hard pipes and the pulp pump, and the combination of the mechanical characteristics of the conveying hard pipes, the joint strength of the conveying hard pipes and the structural mechanical characteristics of the long-distance pump pipe conveying system.
The invention has the beneficial effects that:
the high-reliability mineral conveying long-distance pump pipe system suitable for the movable deep sea mining mode can provide thrust for the underwater long-distance pump pipe system by arranging a plurality of multifunctional multidirectional thrust modules in the mineral conveying pump pipe system, and has the following beneficial effects:
1. when the long-distance pump pipe system is greatly affected by external ocean currents and the like, and the pipe system is influenced by the fact that local stress of the pipe system exceeds the limit, the system starts a thrust module near the stress influence part of the pipe system according to the state monitoring feedback of the long-distance pump pipe system, combines the rotation speed adjustment of a small-sized propulsion pump and the opening of an electric valve to generate thrust which is opposite to the external acting force and is matched with the external acting force in size, carries out local posture adjustment on the long-distance pump pipe system, counteracts or weakens the adverse effect of the external acting force on the pump pipe system, reduces the risk of damage and even fracture of the pipe system caused by the fact that the local stress is too large, and accordingly improves the reliability and stability of operation of the mineral conveying long-distance pump pipe system;
2. when the mining system finishes acquisition in a local area and the whole water surface underwater system slowly moves to perform transition operation, according to the moving direction and the moving speed of the whole long-distance pump pipe system, the system starts all thrust modules arranged in the pump pipe system, and thrust matched with the moving direction and the speed of the system is generated through the control of the rotating speed of the built-in small-sized propulsion pump and the opening and closing of the electric valve, so that the stress of each part of the long-distance pump pipe system is more uniform in the moving process, the damage of the whole long-distance pump pipe system is prevented, the risk of the system is reduced, and the system is more suitable for the moving operation mode of the deep sea mining system;
3. the ore pulp conveyed by the long-distance pump pipe system contains a large amount of ore particles, and the risk of congestion and blockage caused by aggregation of the particles exists in the pump pipe system in the ore pulp conveying process. The cable inlet wire pipeline of the inside upper end of multi-functional multi-direction thrust module, the injection pipeline in middle part, the sea of leading-in inflow pipeline of lower extreme can play the function similar to guide vane, play certain dredging effect to the ore granule that flows through the ore pulp and contain, the dispersed arrangement of thrust module in long distance pump line system has been equivalent to arranging many dredging device in different positions in the pump line system, can reduce the jam risk of ore pulp granule in long distance pump line system to promote the reliability of whole deep sea mining system operation.
In general, the high-reliability mineral conveying long-distance pump pipe system suitable for the movable deep sea mining mode can be better adapted to the mining operation mode of collection, movement, collection and movement …, has the functions of adjusting the posture of an underwater pump pipe and dredging the flow of ore pulp, and greatly improves the operation reliability and safety of the deep sea mining system.
Drawings
FIG. 1 is a schematic diagram of a prior art deep sea mineral mining system;
FIG. 2 is a schematic diagram of the mineral delivery long distance pump line system of the present invention;
FIG. 3 is a longitudinal cross-sectional view of the internal structure of the multi-functional multi-directional thrust module;
FIG. 4 is a cross-sectional view of the internal structure of the multi-functional multi-directional thrust module;
FIG. 5 is an outline view of a multi-functional multi-directional thrust module;
fig. 6 is a schematic diagram of different forms of inlet line, jet line, inlet flow line.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 2 to 6, a high reliability mineral conveying long distance pump pipe system suitable for a mobile deep sea mining mode comprises a pulp pump 1, a multifunctional multidirectional thrust module 2, a conveying hard pipe 3, a relay cabin 4 and the like.
The pulp pump 1, the multifunctional multidirectional thrust module 2 and the relay cabin 4 are connected in series through the conveying hard pipe 3 to form a long-distance pump pipe conveying system; the relay pod 4 is connected to a mining vehicle 11 by a hose 10.
The multi-functional multi-directional thrust modules 2 are designed and determined to meet the requirements of movement and posture adjustment of the whole pump pipe system and specific arrangement positions of each thrust module in the pump pipe system according to the mining depth, the composition of a long-distance pump pipe system, the hard pipe material, the connection mode between hard pipes and the hard pipe, the connection mode between the hard pipe and the pump and the like, and the analysis of the mechanical properties of the hard pipe, the strength of a hard pipe joint, the structural dynamics of the pump pipe system and the like.
As shown in fig. 3 to 5, the multifunctional multidirectional thrust module 2 is composed of an inner annular through-flow pipeline 5, a cable inlet pipeline 6, a small-sized propulsion pump 7, an injection pipeline (including an electric valve) 8, a sea-through inlet pipeline 9 and the like, wherein the outer shell of the inner annular through-flow pipeline 5 is a thrust module outer shell, and the inlet and outlet of the inner annular through-flow pipeline 5, namely, the inlet and outlet of the thrust module are consistent with a hard pipe interface, so that the thrust module is conveniently connected in series in a long-distance pump pipe system; the small propulsion pump 7 is arranged inside the inner annular through-flow pipeline 5, is fixed with the outer shell of the outer inner annular through-flow pipeline 5 through the upper cable inlet pipeline 6, the middle injection pipeline 8 and the lower sea-through inlet pipeline 9, generates water flow to spray outwards through the injection pipeline 8 to generate thrust when the small propulsion pump 7 operates, and plays a role in moving a long-distance pump pipeline system and providing thrust for local posture adjustment of the system.
As shown in fig. 3 to 5, the cable inlet pipe 6 in the multifunctional multidirectional thrust module 2 mainly has the function of providing power for the thrust module through cables inside and fixing the upper end of the small-sized thrust pump 7; meanwhile, the cable inlet pipeline 6 is positioned in the area where the annular through-flow pipeline is connected with the mineral conveying hard pipe, so that a certain dredging effect can be achieved on ore pulp flowing in the channel, ore particles in the ore pulp are prevented from gathering, and the risk of congestion and blockage of a pipeline system is reduced; the cable inlet pipeline 6 is required to determine the number and arrangement mode of the pipelines according to various requirements of cable inlet, upper end fixation of a small propulsion pump, slurry flow dredging and the like, and the pipeline shape can be designed to be mixed by adopting one or more shapes of a circle, an ellipse, a wing shape, a diamond shape and the like according to different conditions of slurry concentration, granularity, flow characteristics and the like, so that the dredging effect on the slurry is improved;
as shown in fig. 3 to 5, the injection pipeline 8 in the multifunctional multidirectional thrust module 2 is composed of a pipeline and an electric valve, on one hand, the injection pipeline is a through-flow pipeline for forming thrust for external injection water flow, and meanwhile, the direction and the magnitude of the external injection water flow can be controlled by combining the rotation speed adjustment of the small-sized propulsion pump 7 and the opening and closing of the electric valve, so that the direction and the magnitude of the thrust are controlled; secondly, the injection pipeline 8 plays a role in fixing the middle part of the small propulsion pump 7; thirdly, the jet pipeline 8 is positioned in the middle of the annular flow passage pipeline, can play a certain role in dredging ore pulp passing through the middle of the annular flow passage pipeline, prevents aggregation of solid particles in the ore pulp, and reduces the risk of partial blockage. According to the thrust and posture adjustment requirements provided for the pump pipe system and considering the fixing requirements of the small-sized propulsion pump and the pulp dredging requirements, the through-flow diameter, the number, the arrangement mode and the like of the jet pipes are required to be designed in a targeted manner, the shape of the jet pipe 8 can be mixed and arranged in one or more of different shapes such as a circle, an ellipse, an airfoil, a diamond and the like according to the pulp concentration, the granularity, the flow characteristics and the like, and the dredging effect on the pulp is improved;
as shown in fig. 3 to 5, the sea intake pipe 9 in the multifunctional multidirectional thrust module 2 is an inlet pipe for seawater of working medium of a built-in small propulsion pump; meanwhile, the lower end of the built-in small propulsion pump 7 is fixed; secondly, the sea water inlet pipeline is positioned at the inlet area of the lower part of the annular water inlet pipeline, so that a certain dredging effect can be achieved on ore pulp entering from the lower part of the annular water inlet pipeline, solid particles at the inlet of the annular water inlet pipeline are prevented from being gathered, and the inlet blocking risk is reduced. The inflow pipeline 9 is required to determine the size, the number and the arrangement mode of the drift diameter of the inflow pipeline according to the flow requirement, the lower end fixing requirement and the pulp dredging requirement of the small propulsion pump 7, and the appearance of the inflow pipeline can be arranged or mixed according to the concentration, granularity, flow characteristics and the like of pulp by adopting one or more of the shapes of circles, ovals, airfoils, diamonds and the like, so that the dredging effect on the pulp is improved.
As shown in fig. 3 to 5, the small propulsion pump 7 in the multifunctional multidirectional thrust module 2 is arranged inside the annular through-flow pipeline and is fixedly connected with the outer shell of the multifunctional multidirectional thrust module 2 (namely the outer shell of the annular through-flow pipeline 5) through the inlet wire pipeline 6, the injection pipeline 8 and the inlet flow pipeline 9; the small propulsion pump 7 is required to be designed in a targeted manner according to the system requirements, such as the appearance, the flow, the lift, the arrangement mode and the like, adopts variable frequency driving, provides jet water flows with different flow rates, lifts and directions by combining the rotation speed adjustment with the opening and closing of an electric valve in a jet pipeline, and provides the thrust meeting the requirements for the movement and the posture adjustment of a long-distance pump pipe system conveying system.
When the deep sea mining system stays in a certain area to perform mining operation and the whole mineral conveying system is less influenced by ocean currents and the like, the multifunctional multidirectional thrust module is in a standby state; the thrust module starts when the following conditions occur:
(1) When the long-distance pump pipe system is greatly affected by external forces such as ocean currents and the like, the damage or even fracture risk exists in the local stress of the pipe system, and the safety of the system is affected, according to the system monitoring feedback, the water surface control system starts a thrust module closest to the stress influence area in the pump pipe system, and the thrust opposite to the external force is generated through the rotation speed regulation operation of the built-in small propulsion pump and the opening and closing of the electric valve, so that the attitude adjustment is carried out on the pipe system, the adverse effect of the external force on the pipe system is counteracted or weakened, and the reliability and the stability of the operation of the conveying system are improved;
(2) When the mining system finishes collecting in a local area and performs transition operation in a staged moving way, according to the whole moving direction and speed, the system starts all thrust modules, and thrust matched with the moving direction and speed of the system is generated through the control of the rotating speed of the built-in small-sized propulsion pump and the opening and closing of the electric valve, so that the stress of each part of the long-distance conveying pump pipe system in the moving process is more uniform, the damage risk is reduced, the reliability of the long-distance conveying pump pipe system is improved, and the system is more suitable for the moving operation mode of the mining system;
(3) In the whole operation engineering, the cable inlet pipe at the upper end, the middle injection pipe and the sea inlet pipe at the lower end inside the multifunctional multidirectional thrust module can play a role similar to that of a guide vane, and the flowing ore pulp plays a certain role in dredging, which is equivalent to arranging a plurality of ore pulp dredging devices in the whole pump pipe system, so that the effect of preventing large ore pulp particles from being blocked in the pump pipe system is achieved to a certain extent.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. A mineral delivery long distance pump line system suitable for mobile deep sea mining modes, characterized by: the system comprises an ore pulp pump, a multifunctional multidirectional thrust module, a conveying hard pipe and a relay cabin, wherein the ore pulp pump, the multifunctional multidirectional thrust module and the relay cabin are connected in series through the conveying hard pipe to form a long-distance pump pipe conveying system; the relay cabin is connected with the mining vehicle through a hose; the single multifunctional multidirectional thrust module consists of an inner annular through-flow pipeline, a cable inlet pipeline, a built-in small propulsion pump, an injection pipeline containing an electric valve and a sea-through inlet pipeline, wherein the small propulsion pump is arranged inside the inner annular through-flow pipeline and is fixed with the outer inner annular through-flow pipeline through the cable inlet pipeline at the upper end, the middle injection pipeline and the sea-through inlet pipeline at the lower end, and water flow is generated during operation of the small propulsion pump to spray outwards through the injection pipeline to generate thrust, so that the functions of providing mobile thrust for a long-distance pump pipe conveying system and providing thrust for local posture adjustment are achieved.
2. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 1, wherein: the outer shell of the inner annular through-flow pipeline is a thrust module outer shell, and the inlet and the outlet of the annular through-flow pipeline, namely the inlet and the outlet of the thrust module are consistent with the interface of the conveying hard pipe, so that the thrust module is conveniently connected in series in the long-distance pump pipe system.
3. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 1, wherein: the inside of a 6-cable inlet pipeline in the 2-multifunctional multidirectional thrust module provides power for the thrust module through a cable and plays a role in fixing the upper end of the 7-small-sized thrust pump; meanwhile, the 6-cable inlet pipe is positioned in the area where the annular through-flow pipeline is connected with the mineral conveying hard pipe, can play a certain role in dredging the ore pulp flowing in the channel, prevent solid particles in the ore pulp from gathering and blocking, and reduce the blocking risk.
4. A mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 3, wherein: the cable inlet pipeline is used for determining the quantity of pipelines according to cable arrangement, the upper end fixation of the small propulsion pump and the pulp flow dredging requirement, and the cable inlet pipeline is mixed by adopting one or more of round, oval, wing-shaped and diamond-shaped shapes according to different conditions of pulp concentration, granularity and flow characteristics.
5. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 1, wherein: the jet pipeline in the multifunctional multidirectional thrust module consists of a pipeline and an electric valve, and the jet pipeline can control the direction and the magnitude of external jet water flow by combining the rotation speed adjustment of the small-sized propulsion pump and the opening and closing of the electric valve through an outlet pipeline for forming thrust by the external jet water flow, so that the direction and the magnitude of the thrust are controlled; the injection pipeline plays a role in fixing the middle part of the small propulsion pump; and the jet pipeline is positioned in the middle of the inner annular flow passage pipeline, so that a certain dredging effect can be achieved on ore pulp passing through the middle of the annular flow passage pipeline, aggregation of solid particles in the ore pulp is prevented, and the risk of partial blockage is reduced.
6. The mineral delivery long distance pump tube system adapted for mobile deep sea mining modes of claim 5, wherein: the jet pipeline is used for determining the size and the number of the through flow diameters of the jet pipeline according to the required thrust and the posture adjustment requirement of the long-distance pump pipe conveying system and considering the fixed small-sized propelling pump and the pulp dredging effect, and the jet pipeline is mixed and arranged in one or more of circular, elliptic, airfoil and rhombic shapes according to the pulp concentration, granularity and flow characteristics.
7. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 1, wherein: the sea-going inflow pipeline in the multifunctional multidirectional thrust module is an inlet pipeline for seawater of a working medium of a built-in small propulsion pump; the lower end of the built-in small-sized propelling pump is fixed; the brown sea inflow pipeline is positioned in the inlet area of the lower part of the inner annular inflow pipeline, can play a certain role in dredging ore pulp entering from the lower part of the annular inflow pipeline, prevents solid particles at the inlet of the annular inflow pipeline from gathering, and reduces the risk of inlet blockage.
8. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 7, wherein: the sea-through inflow pipeline is used for determining the size and the number of the inflow pipeline according to the flow requirement of the small-sized propulsion pump, the lower end fixing requirement and the pulp dredging requirement, and the appearance of the inflow pipeline is arranged or mixed with a plurality of appearances in a circular shape, an elliptic shape, an airfoil shape and a diamond shape according to the pulp concentration, granularity and flow characteristics.
9. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 1, wherein: the small propulsion pump in the multifunctional multidirectional thrust module is arranged inside the annular draft tube and is fixedly connected with the multifunctional multidirectional thrust module shell through the inlet tube, the jet tube and the inlet tube; the small-sized propulsion pump is driven by variable frequency, and can provide jet water flows with different flow rates and lifts by adjusting the rotating speed and combining with the opening and closing of the electric valve in the jet pipeline, so as to provide thrust meeting requirements for the movement and posture adjustment of the long-distance pump pipe system conveying system.
10. The mineral delivery long distance pump line system adapted for mobile deep sea mining modes according to claim 1, wherein: the multifunctional multidirectional thrust module is characterized in that the quantity of the multifunctional multidirectional thrust modules required by the whole pump pipe system and the specific arrangement positions in the system are determined according to the deep sea mining depth, the composition of the long-distance pump pipe conveying system, the material of the conveying hard pipes, the connection mode between the conveying hard pipes and the connection mode between the conveying hard pipes and the pulp pump, and the mechanical characteristics of the conveying hard pipes, the joint strength of the conveying hard pipes and the structural mechanical characteristics of the long-distance pump pipe conveying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462996.9A CN116255150A (en) | 2022-11-22 | 2022-11-22 | Mineral conveying long-distance pump pipe system suitable for movable deep sea mining mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462996.9A CN116255150A (en) | 2022-11-22 | 2022-11-22 | Mineral conveying long-distance pump pipe system suitable for movable deep sea mining mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116255150A true CN116255150A (en) | 2023-06-13 |
Family
ID=86686907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211462996.9A Pending CN116255150A (en) | 2022-11-22 | 2022-11-22 | Mineral conveying long-distance pump pipe system suitable for movable deep sea mining mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116255150A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888906A (en) * | 2024-03-15 | 2024-04-16 | 上海交通大学三亚崖州湾深海科技研究院 | Submarine ore grain double-degree-of-freedom local dynamic closed hydraulic ore collection device and method |
-
2022
- 2022-11-22 CN CN202211462996.9A patent/CN116255150A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117888906A (en) * | 2024-03-15 | 2024-04-16 | 上海交通大学三亚崖州湾深海科技研究院 | Submarine ore grain double-degree-of-freedom local dynamic closed hydraulic ore collection device and method |
| CN117888906B (en) * | 2024-03-15 | 2024-05-07 | 上海交通大学三亚崖州湾深海科技研究院 | Submarine ore grain double-degree-of-freedom local dynamic closed hydraulic ore collection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103628881B (en) | A kind of oceanic mineral resources quarrying apparatus and exploitation method | |
| US8801359B2 (en) | System and method for extracting power from fluid using a Tesla-type bladeless turbine | |
| CN116255150A (en) | Mineral conveying long-distance pump pipe system suitable for movable deep sea mining mode | |
| CN103016362B (en) | Multistage electric pump for improving coarse-particle solid-liquid two-phase slurry | |
| CN105350968A (en) | Submarine ore collecting vehicle and ore collecting method thereof | |
| US20190063218A1 (en) | Cluster-type deep-sea submarine mining equipment based on vortex hydrodynamic characteristics | |
| CN212406719U (en) | Deep sea ore lifting device | |
| CN106948820B (en) | A kind of deep-sea mining lifting system of integrated fluid power and air promotion | |
| CN205172582U (en) | Seabed collection mine car | |
| CN116291462B (en) | Ore collecting device and method based on Kangda effect | |
| CN203594452U (en) | Mining device for oceanic mineral resources | |
| CN105804755A (en) | Floating type deep sea automatic mining robot | |
| CN104310065A (en) | Deep-sea mining valve control type clean water pump ore hydraulic lifting equipment | |
| CN1065191C (en) | Deep-sea collecting and distributing type mining system | |
| CN209100040U (en) | A kind of collecting machine structure of seabed Ji Kuang Operation Van | |
| CN112127893A (en) | Deep sea self-propelled suspension type collection ore machine | |
| CN115977643B (en) | High-speed spiral flow generating device for deep sea mining fully flexible pipe lifting system | |
| CN109607658A (en) | A kind of adjustable cyclone air-flotation device of swirl strength and operating method | |
| CN202266441U (en) | Rotary drum type vortex pump, slit taking device and slit dredger | |
| CN207179194U (en) | A kind of novel gas-liquid multiphase pipeline vortex drop resistance instrument | |
| CN116892226A (en) | Submarine cable flushing plow | |
| JP2016166476A (en) | Riser pipe | |
| EP3440341B1 (en) | Submersible plant comprising buoyant tether | |
| JP2016204875A (en) | Seabed resource mining system | |
| CN112978226B (en) | Self-cleaning multi-metal nodule lifting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |