CN213985599U - Experimental device for to deep sea mining pipeline vibration research - Google Patents

Experimental device for to deep sea mining pipeline vibration research Download PDF

Info

Publication number
CN213985599U
CN213985599U CN202120005652.XU CN202120005652U CN213985599U CN 213985599 U CN213985599 U CN 213985599U CN 202120005652 U CN202120005652 U CN 202120005652U CN 213985599 U CN213985599 U CN 213985599U
Authority
CN
China
Prior art keywords
group
pipeline
stage
vibration
mixing
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.)
Active
Application number
CN202120005652.XU
Other languages
Chinese (zh)
Inventor
李昳
肖君杰
王鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Technology ZJUT
Zhejiang Sci Tech University ZSTU
Zhejiang University of Science and Technology ZUST
Original Assignee
Zhejiang University of Technology ZJUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN202120005652.XU priority Critical patent/CN213985599U/en
Application granted granted Critical
Publication of CN213985599U publication Critical patent/CN213985599U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

The utility model belongs to deep sea mining research field. The technical scheme is as follows: the utility model provides an experimental apparatus to deep sea mining pipeline vibration research which characterized in that: the device comprises a mixing and stirring chamber for mixing solid-liquid two-phase flow, a water tank connected with the mixing and stirring chamber through a pipeline to provide a water source, a bin connected with the mixing and stirring chamber through an impeller feeder to provide ore particles, a centrifugal pump connected with an outlet of the mixing and stirring chamber through a pipeline, a motor for driving a centrifugal pump to work, a pipeline box connected with an outlet of the centrifugal pump through a pipeline, a displacement sensor arranged on the outer wall of the pipeline box, a computer connected with the displacement sensor, a backflow pipe with two ends respectively connected with the pipeline box and the mixing and stirring chamber, and a solid-liquid separation device connected on the backflow pipe in parallel through a shunt pipe. The device can carry out the vibration experiment to the pipeline of five different grade types in the deep sea mining to obtain the most suitable promotion pipeline, guarantee that deep sea mining operation is safe, high-efficient, the operation reliably.

Description

Experimental device for to deep sea mining pipeline vibration research
Technical Field
The utility model belongs to deep sea mining research field specifically is an experimental apparatus to deep sea mining pipeline vibration research.
Background
Ocean polymetallic nodule is a deep sea mineral resource with abundant reserves, great mining value and important function for national defense industry, and various mining systems have been developed in various countries in the world for mining the mineral resource. Through theoretical and experimental research, the hydraulic pipeline lifting mining system of the ore pulp pump is generally considered to have the best industrial application prospect, and the system mainly comprises an ore collecting system, an ore lifting subsystem and a water surface supporting system. With the deepening of research on deep-sea mining technologies in various countries, how to convey ores to a mining ship in an efficient and energy-saving manner becomes a research key. Under the complex marine power environment, the ore-raising pipelines which are as long as several kilometers can be subjected to various acting forces to generate transverse vibration and longitudinal vibration. The vibration of the pipeline can cause the motion state of the internal solid-liquid two-phase fluid to change, thereby having important influence on the conveying characteristics of the pipeline. Therefore, the research on the vibration characteristics of the pipeline is significant for the high efficiency and safety of deep sea mining.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned background art not enough, providing an experimental apparatus to deep sea mining pipeline vibration research, the device can carry out the vibration experiment to the pipeline of five different grade types in the deep sea mining to obtain the most suitable promotion pipeline, guarantee that deep sea mining operation is safe, high-efficient, move reliably.
The utility model provides a technical scheme is:
the utility model provides an experimental apparatus to deep sea mining pipeline vibration research which characterized in that: the device comprises a mixing and stirring chamber for mixing solid-liquid two-phase flow, a water tank connected with the mixing and stirring chamber through a pipeline to provide a water source, a bin connected with the mixing and stirring chamber through an impeller type feeder to provide ore particles, a centrifugal pump connected with an outlet of the mixing and stirring chamber through a pipeline, a motor for driving a centrifugal pump to work, a pipeline box connected with an outlet of the centrifugal pump through a pipeline, a displacement sensor arranged on the outer wall of the pipeline box, a computer connected with the displacement sensor, a return pipe with two ends respectively connected with the pipeline box and the mixing and stirring chamber, and a solid-liquid separation device connected on the return pipe in parallel through a shunt pipe; five groups of test pipelines with different structures are arranged in the pipeline box, and two ends of each group of test pipelines are respectively connected with an inlet and an outlet of the pipeline box through valves; an inertial vibration exciter is installed at the inlet of the pipeline box; and switch valves are arranged at the outlets of the return pipe, the shunt pipe and the water tank.
In the five groups of test pipelines, a first group of test pipelines consists of a first group of first-stage hard pipes, a first group of first single-stage centrifugal pumps, a first group of second-stage hard pipes, a first group of middle bins, a first group of third-stage hard pipes, a first group of second single-stage centrifugal pumps and a first group of fourth-stage hard pipes which are sequentially connected.
In the five groups of test pipelines, the second group of test pipelines consists of a second group of first-stage hard pipes, a second group of single-stage centrifugal pumps and a second group of second-stage hoses which are sequentially connected.
In the five groups of test pipelines, the third group of test pipelines consists of a third group of first-stage hoses, a third group of single-stage centrifugal pumps and a third group of second-stage hoses which are sequentially connected.
In the five groups of test pipelines, the fourth group of test pipelines consists of a fourth group of first-stage hard pipes, a fourth group of single-stage centrifugal pumps and a fourth group of second-stage soft pipes.
In the five groups of test pipelines, the fifth group of test pipelines consists of a fifth group of first-stage hard pipes, a fifth group of first two-stage centrifugal pumps, a fifth group of second-stage hard pipes, a fifth group of middle bins, a fifth group of third-stage hard pipes, a fifth group of second two-stage centrifugal pumps and a fifth group of fourth-stage hard pipes which are sequentially connected.
In the five groups of test pipelines, dynamic vibration absorbers are arranged on the outer walls of the hard pipes and the soft pipes.
In the five groups of test pipelines, each centrifugal pump is connected with the pipeline through a nonlinear elastic joint.
An electromagnetic flowmeter is installed at an outlet of the mixing and stirring chamber; an inlet pressure sensor is arranged at the inlet of the centrifugal pump, and an outlet pressure sensor is arranged at the outlet of the centrifugal pump; and a torque meter is arranged on a rotating shaft of the motor.
The middle part of the solid-liquid separation device is provided with a filter screen to separate solid-liquid two-phase flow, so that solid ore particles can be conveniently recovered.
The utility model has the advantages that:
five groups of test pipelines of different types are arranged in a pipeline box of the experimental device, and the five groups of test pipelines can be respectively connected into a loop of the experimental device by controlling the opening and closing of valves at two ends of each test pipeline; the inertia type vibration exciter arranged at the inlet of the pipeline box can simulate the fluctuation of seawater; through installing the displacement sensor at the pipeline case outer wall, can transmit the vibration signal of pipeline case to the computer, carry out the analysis to the vibration condition of different test pipelines to realized carrying out the vibration research to the test pipeline of five different grade types, and the experimental result is accurate, is favorable to acquireing the most suitable promotion pipeline, in order to guarantee that deep sea mining operation is safe, high-efficient, operate reliably. In addition, after the experiment is finished, the ore particles can be recovered through the solid-liquid separation device, and recycling is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the internal structure schematic diagram of the pipe box of the present invention.
Reference numerals:
1. a motor; 2. a torque meter; 3. a centrifugal pump; 4. an outlet pressure sensor; 5. an inertial vibration exciter; 6. a displacement sensor; 7. a pipe box; 7.11, a first group of primary hard pipes; 7.12, a first set of first single-stage centrifugal pumps; 7.13, a first group of secondary hard pipes; 7.14, a first set of intermediate bins; 7.15, a first group of three-stage hard tubes; 7.16, a first set of second single-stage centrifugal pumps; 7.17, a first group of four-stage hard tubes; 7.21, a second group of primary hard tubes; 7.22, a second set of single-stage centrifugal pumps; 7.23, a second set of secondary hoses; 7.31, a third group of primary hoses; 7.32, a third group of single-stage centrifugal pumps; 7.33, a third set of secondary hoses; 7.41, a fourth group of primary hard pipes; 7.42, a fourth group of single-stage centrifugal pumps; 7.43, a fourth set of secondary hoses; 7.51, a fifth group of primary hard tubes; 7.52, a fifth group of first two-stage centrifugal pumps; 7.53, a fifth group of secondary hard tubes; 7.54, a fifth group of intermediate bins; 7.55, a fifth group of three-level hard tubes; 7.56, a fifth group of second two-stage centrifugal pumps; 7.57, a fifth group of four-stage hard tubes; 7.6, a valve; 7.7, a dynamic vibration absorber; 7.8, a nonlinear elastic joint; 8. a computer; 9. a return pipe; 10. an on-off valve; 11. a shunt tube; 12. a mixing and stirring chamber; 13. an electromagnetic flow meter; 14. an inlet pressure sensor; 15. an impeller feeder; 16. a storage bin; 17. a water tank; 18. a solid-liquid separation device; 19. and (5) filtering by using a filter screen.
Detailed Description
The following further description is made with reference to the embodiments shown in the drawings.
The experimental device for researching the vibration of the deep sea mining pipeline as shown in fig. 1 comprises a water tank 17, a storage bin 16, a mixing and stirring chamber 12, a centrifugal pump 3, a motor 1, a pipeline box 7, a displacement sensor, a computer 8, a return pipe 9 and a solid-liquid separation device 18. The water tank is connected with the mixing and stirring chamber through a pipeline and is used for providing a water source; an on-off valve 10 is installed at the outlet of the water tank. The bin is connected with the mixing and stirring chamber through an impeller feeder 15 for providing ore particles. The mixing and stirring chamber is used for mixing water and ore particles to form a solid-liquid two-phase flow (the direction of an arrow in fig. 1 is the flowing direction of the solid-liquid two-phase flow in each pipeline); an electromagnetic flow meter 13 is arranged at the outlet of the mixing and stirring chamber and used for controlling the outlet flow of the mixing and stirring chamber.
An inlet pressure sensor 14 is arranged at the inlet of the centrifugal pump, an outlet pressure sensor 4 is arranged at the outlet of the centrifugal pump, and the performance of the centrifugal pump can be calculated by measuring the pressure of the inlet and the outlet of the centrifugal pump; and the inlet of the centrifugal pump is connected with the outlet of the mixing and stirring chamber through a pipeline. The motor is used for driving the centrifugal pump to work, and a torque meter 2 is arranged on a rotating shaft of the motor so as to detect the output torque of the motor. The pipeline box is connected with the outlet of the centrifugal pump through a pipeline; the pipeline box is provided with five groups of test pipelines with different structures, the two ends of each group of test pipelines are respectively connected with the inlet and the outlet of the pipeline box through valves 7.6, and the five groups of test pipelines can be respectively connected into the loop of the experimental device to carry out vibration experiments by controlling the opening and closing of the valves at the two ends of each test pipeline.
As shown in fig. 2, of the five groups of test pipelines, the first group of test pipelines is a four-stage stepped pipeline lifting system, and consists of a first group of first-stage hard pipes 7.11, a first group of first single-stage centrifugal pumps 7.12, a first group of second-stage hard pipes 7.13, a first group of intermediate bins 7.14, a first group of third-stage hard pipes 7.15, a first group of second single-stage centrifugal pumps 7.16 and a first group of four-stage hard pipes 7.17 which are connected in sequence; the second group of test pipelines are full hard pipe lifting pipelines and consist of a second group of first-stage hard pipes 7.21, a second group of single-stage centrifugal pumps 7.22 and a second group of second-stage hoses 7.23 which are connected in sequence; the third group of test pipelines are full-hose lifting pipelines and are composed of a third group of primary hoses 7.31, a third group of single-stage centrifugal pumps 7.32 and a third group of secondary hoses 7.33 which are connected in sequence; the fourth group of test pipelines consists of a fourth group of first-stage hard pipes 7.41, a fourth group of single-stage centrifugal pumps 7.42 and a fourth group of second-stage soft pipes 7.43; the fifth group of test pipelines is a four-stage stepped pipeline lifting system and consists of a fifth group of first-stage hard pipes 7.51, a fifth group of first two-stage centrifugal pumps 7.52, a fifth group of second-stage hard pipes 7.53, a fifth group of intermediate bins 7.54, a fifth group of third-stage hard pipes 7.55, a fifth group of second two-stage centrifugal pumps 7.56 and a fifth group of fourth-stage hard pipes 7.57 which are connected in sequence. In the five groups of test pipelines, each centrifugal pump is connected with the pipeline through a nonlinear elastic joint 7.8, dynamic vibration absorbers 7.7 are arranged on the outer walls of each hard pipe and each hose, and the vibration energy of the test pipelines is absorbed through a resonance system, so that the vibration of the test pipelines is reduced.
And an inertial vibration exciter 5 is installed at the inlet of the pipeline box and is used for simulating seawater fluctuation. Displacement sensor 6 is installed to the outer wall of pipeline case, and displacement sensor is connected with the computer through the electric wire to transmit the vibration signal who gathers to the computer, carry out the analysis to the vibration condition of different test tube ways.
The two ends of the return pipe are respectively connected with the pipeline box and the mixing and stirring chamber, so that the mixing and stirring chamber, the centrifugal pump and the pipeline box form a loop. The solid-liquid separation device is connected in parallel to the return pipe through a shunt pipe 11; the middle part of the solid-liquid separation device is provided with a filter screen 19 to separate solid-liquid two-phase flow and recycle solid ore particles. The return pipe and the shunt pipe are both provided with a switch valve; when a vibration experiment needs to be carried out on the test pipeline, the return pipe switch valve is opened, and the shunt pipe switch valve is closed; after the experiment is finished, the return pipe switch valve is closed, and the shunt pipe switch valve is opened simultaneously to recover the ore particles.
The working principle of the utility model is as follows:
the ore particles required by the experiment are provided by the bin through the impeller feeder, the water tank provides the required water source, and the ore particles and the water source are fully mixed in the mixing and stirring chamber to obtain a solid-liquid two-phase flow with a certain mass concentration; the solid-liquid two-phase flow flows out through an outlet of the mixing and stirring chamber, the flow is controlled by an electromagnetic flowmeter, and the solid-liquid two-phase flow reaches the pipeline box through the centrifugal pump; the valves at two ends of the test pipeline to be tested in the pipeline box are opened, and the valves at two ends of the non-test pipeline are closed at the same time, so that vibration research can be respectively carried out on five groups of test pipelines; the inertial vibration exciter simulates seawater fluctuation by providing low-frequency vibration frequency, and the displacement sensor transmits the acquired vibration data of the pipeline box to a computer to test the vibration condition of the pipeline; opening a return pipe switch valve, closing a shunt pipe switch valve at the same time, and enabling the solid-liquid two-phase flow to flow through the mixing and stirring chamber again for circulation; after the experiment is finished, the return pipe switch valve is closed, the shunt tube switch valve is opened simultaneously, the solid-liquid two-phase flow enters the solid-liquid separation device, the ore particles and the water are separated through the filter screen, the ore particles are recovered, the experiment of the influence of the solid-liquid two-phase flow with other mass concentrations on the pipeline vibration is carried out, and the experiment is finished after the experiment is finished finally.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, and the structure of the present invention, which is directly or indirectly applied to other related technical fields, is also included in the present invention.

Claims (10)

1. The utility model provides an experimental apparatus to deep sea mining pipeline vibration research which characterized in that: the device comprises a mixing and stirring chamber (12) for mixing solid-liquid two-phase flow, a water tank (17) connected with the mixing and stirring chamber through a pipeline to provide a water source, a bin (16) connected with the mixing and stirring chamber through an impeller feeder (15) to provide ore particles, a centrifugal pump (3) connected with an outlet of the mixing and stirring chamber through a pipeline, a motor (1) for driving the centrifugal pump to work, a pipeline box (7) connected with the outlet of the centrifugal pump through a pipeline, a displacement sensor (6) arranged on the outer wall of the pipeline box, a computer (8) connected with the displacement sensor, a return pipe (9) with two ends respectively connected with the pipeline box and the mixing and stirring chamber, and a solid-liquid separation device (18) connected in parallel on the return pipe through a shunt pipe (11); five groups of test pipelines with different structures are arranged in the pipeline box, and two ends of each group of test pipelines are respectively connected with an inlet and an outlet of the pipeline box through valves (7.6); an inertial vibration exciter (5) is arranged at the inlet of the pipeline box; and the outlets of the return pipe, the shunt pipe and the water tank are all provided with a switch valve (10).
2. The experimental device for researching the vibration of the deep-sea mining pipeline according to claim 1, is characterized in that: in the five groups of test pipelines, the first group of test pipelines consists of a first group of first-stage hard pipes (7.11), a first group of first single-stage centrifugal pumps (7.12), a first group of second-stage hard pipes (7.13), a first group of intermediate bins (7.14), a first group of third-stage hard pipes (7.15), a first group of second single-stage centrifugal pumps (7.16) and a first group of fourth-stage hard pipes (7.17) which are connected in sequence.
3. The experimental device for researching the vibration of the deep-sea mining pipeline as claimed in claim 2, is characterized in that: in the five groups of test pipelines, the second group of test pipelines consists of a second group of first-stage hard pipes (7.21), a second group of single-stage centrifugal pumps (7.22) and a second group of second-stage hoses (7.23) which are sequentially connected.
4. The experimental device for researching the vibration of the deep-sea mining pipeline as claimed in claim 3, is characterized in that: in the five groups of test pipelines, the third group of test pipelines consists of a third group of first-stage hoses (7.31), a third group of single-stage centrifugal pumps (7.32) and a third group of second-stage hoses (7.33) which are sequentially connected.
5. The experimental device for researching the vibration of the deep-sea mining pipeline as claimed in claim 4, is characterized in that: and in the five groups of test pipelines, the fourth group of test pipelines consists of a fourth group of first-stage hard pipes (7.41), a fourth group of single-stage centrifugal pumps (7.42) and a fourth group of second-stage soft pipes (7.43).
6. The experimental device for researching the vibration of the deep-sea mining pipeline as claimed in claim 5, is characterized in that: in the five groups of test pipelines, the fifth group of test pipelines consists of a fifth group of first-stage hard pipes (7.51), a fifth group of first two-stage centrifugal pumps (7.52), a fifth group of second-stage hard pipes (7.53), a fifth group of intermediate bins (7.54), a fifth group of third-stage hard pipes (7.55), a fifth group of second two-stage centrifugal pumps (7.56) and a fifth group of fourth-stage hard pipes (7.57) which are sequentially connected.
7. The experimental device for researching the vibration of the deep-sea mining pipeline according to claim 6, is characterized in that: in the five groups of test pipelines, dynamic vibration absorbers (7.7) are arranged on the outer walls of the hard pipes and the soft pipes.
8. The experimental device for researching the vibration of the deep-sea mining pipeline according to claim 7, is characterized in that: in the five groups of test pipelines, each centrifugal pump is connected with the pipeline through a nonlinear elastic joint (7.8).
9. The experimental device for researching the vibration of the deep-sea mining pipeline according to claim 8, is characterized in that: an electromagnetic flowmeter (13) is installed at an outlet of the mixing and stirring chamber; an inlet pressure sensor (14) is installed at the inlet of the centrifugal pump, and an outlet pressure sensor (4) is installed at the outlet of the centrifugal pump; and a torque meter (2) is arranged on a rotating shaft of the motor.
10. The experimental device for researching the vibration of the deep-sea mining pipeline according to claim 9, is characterized in that: the middle part of the solid-liquid separation device is provided with a filter screen (19) to separate solid-liquid two-phase flow, so that solid ore particles can be recovered conveniently.
CN202120005652.XU 2021-01-04 2021-01-04 Experimental device for to deep sea mining pipeline vibration research Active CN213985599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120005652.XU CN213985599U (en) 2021-01-04 2021-01-04 Experimental device for to deep sea mining pipeline vibration research

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120005652.XU CN213985599U (en) 2021-01-04 2021-01-04 Experimental device for to deep sea mining pipeline vibration research

Publications (1)

Publication Number Publication Date
CN213985599U true CN213985599U (en) 2021-08-17

Family

ID=77250609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120005652.XU Active CN213985599U (en) 2021-01-04 2021-01-04 Experimental device for to deep sea mining pipeline vibration research

Country Status (1)

Country Link
CN (1) CN213985599U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117470569A (en) * 2023-10-31 2024-01-30 哈尔滨工业大学(威海) Coarse-grain vertical lifting pipeline closed-loop experimental device and comparison prediction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117470569A (en) * 2023-10-31 2024-01-30 哈尔滨工业大学(威海) Coarse-grain vertical lifting pipeline closed-loop experimental device and comparison prediction method thereof
CN117470569B (en) * 2023-10-31 2024-05-07 哈尔滨工业大学(威海) Coarse-grain vertical lifting pipeline closed-loop experimental device and comparison prediction method thereof

Similar Documents

Publication Publication Date Title
CN112747880A (en) Experimental device for vibration research of deep sea mining hoisting system
CN202064905U (en) Gas lifting and liquid discharging device for vehicle natural gas compressor
CN108871988B (en) Experimental device for research pressure is to return bend wearing and tearing influence
CN213985599U (en) Experimental device for to deep sea mining pipeline vibration research
CN102507163A (en) Test loading device for shield tunneling machine under high water pressure
WO2013019656A9 (en) System for producing hydraulic transient energy
CN102322386B (en) Method for sealing ocean-current energy power generation device under the water
CN106640503A (en) Wave energy power generation device with three degrees of freedom and six branch chains
US5199767A (en) Method of lifting deepsea mineral resources with heavy media
CN110779703A (en) Experimental device for simulating influence of deep sea mining seawater fluctuation on pipeline
CN1987125A (en) Deep sea hydraulic power device
CN207686682U (en) A kind of casing gas recovering device
CN202152914U (en) Natural gas recovery device for oil well
CN115479748B (en) Underground in-situ spiral-cyclone coupling separation simulation experiment system and method
CN1888516A (en) Fluid conveying device
CN206801549U (en) A kind of sleeve in oil field associated gas recovery device
CN109956521B (en) High-suction-lift floating oil collecting device
Xia et al. Studies on reasonable hydraulic lifting parameters of manganese nodules
CN207554020U (en) Field scale hydrate recovery well Wellbore Flow safety guarantee experimental system for simulating
CN110645235B (en) Output device of downhole operation tool
CN107035345A (en) A kind of sleeve in oil field associated gas recovery device
Yoon et al. An experimental study on the flow characteristics of solid-liquid two-phase mixture in a flexible hose
CN210919605U (en) Control system and output device of downhole operation tool
CN210660787U (en) Hydraulic output system of downhole operation tool
CN216260438U (en) Emulsion pump station

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant