CN111924543A - Rigid/flexible pipe combined ore mixed transportation lifting system - Google Patents
Rigid/flexible pipe combined ore mixed transportation lifting system Download PDFInfo
- Publication number
- CN111924543A CN111924543A CN202010465159.6A CN202010465159A CN111924543A CN 111924543 A CN111924543 A CN 111924543A CN 202010465159 A CN202010465159 A CN 202010465159A CN 111924543 A CN111924543 A CN 111924543A
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- ore
- flexible pipe
- rigid
- conveying
- pipe
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Classifications
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- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
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- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
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- 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
- B65G67/00—Loading or unloading vehicles
- B65G67/60—Loading or unloading ships
- B65G67/606—Loading or unloading ships using devices specially adapted for bulk material
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses a rigid/flexible pipe combined ore mixed transportation lifting system, which comprises a water surface mining ship, an ore conveying rigid pipe, an ore pulp lifting pump device, an ore conveying flexible pipe and a seabed ore collecting tool which are sequentially connected, wherein the ore pulp lifting pump device is arranged between the ore conveying rigid pipe and the ore conveying flexible pipe, the ore conveying flexible pipe arranged between the ore pulp lifting pump device and the seabed ore collecting tool is in an S shape, and umbilical cables are connected between the water surface mining ship, the ore pulp lifting pump device and the seabed ore collecting tool; the economy is good; the requirements of working conditions such as typhoon avoidance or re-positioning of a mining system are met; the rigid/flexible pipe combined ore mixed transportation lifting system is attached to the umbilical cable bundle, so that the problems of collision or winding between the umbilical cable and the ore transportation pipe and the like possibly caused by the separated arrangement are avoided.
Description
Technical Field
The invention relates to a deep sea mining system, in particular to a rigid/flexible pipe combined ore mixed transportation lifting system.
Background
The deep sea contains rich and high-grade mineral resources. However, deep-sea mineral deposits are generally distributed in sea areas with extremely deep water depths, and a lifting system is an important subsystem in a deep-sea mining system. The lifting system consists of a lifting pump and a conveying vertical pipe, wherein the conveying vertical pipe can adopt a rigid pipe, a flexible pipe or a combination mode of the rigid pipe and the flexible pipe.
The rigid pipe has high strength and heavy weight and can bear larger load. However, as the depth of water increases, the weight of the device increases greatly, the load on the ship is large, and due to the high rigidity of the device, the adaptability to deformation caused by ship movement and ocean currents on the seabed is poor, and the application of the device in the aspect of seabed ore mining in large water depth is limited.
The flexible hose has a low dead weight and a low requirement on ship movement, and can be adapted to a large local water depth in a mining area and reduce the equipment requirement on a mining ship. However, the bending rigidity of the flexible hose is relatively low, so that the flexible riser can generate large deformation and dynamic response under the excitation of dynamic load of marine environment, the flowing of ore pulp in the hose is damaged, and the service life of the hose is obviously shortened.
Disclosure of Invention
The invention aims to provide a rigid/flexible pipe combined ore mixed transportation lifting system.
The technical scheme adopted by the invention is as follows:
rigid/flexible pipe combined ore mixed transportation lifting system, its characterized in that: the ore conveying flexible pipe arranged between the ore pulp lifting pump device and the seabed ore collecting tool is in an S shape or other shapes, umbilical cables are connected between the water surface mining ship, the ore pulp lifting pump device and the seabed ore collecting tool, and the umbilical cables are attached to the ore conveying rigid pipe and the ore conveying flexible pipe in a bundling manner.
The ore conveying flexible pipe is provided with a buoyancy material.
Set up the cross-over connection flexible pipe between ore carrying flexible pipe and the seabed ore collecting tool, at this moment, the ore carries flexible pipe bottom and passes through Y type articulate cross-over connection flexible pipe and emergency relief valve, and the ore is carried and is equipped with supplementary cable on the flexible pipe, and supplementary cable bottom is equipped with the balancing weight, be equipped with the buoyancy material on the cross-over connection flexible pipe.
The ore conveying flexible pipe and the auxiliary cable can be attached together through a clamping band or a binding mode.
The ore pulp lifting pump device is arranged between the ore conveying rigid pipe and the ore conveying flexible pipe, and is one of a multistage centrifugal pump, a plurality of centrifugal pump cascades, a displacement pump and a disc pump, or is a pump set device consisting of one of the multistage centrifugal pump, the centrifugal pump cascades, the displacement pump and the disc pump and a control or bypass valve.
The ore conveying rigid pipes can be connected through threads, flanges, welding or quick joints to form a rigid pipe system integrally provided with ore pulp multiphase flow conveying.
And high-wear-resistant composite material inner liners are adopted in the ore conveying rigid pipe and the ore conveying flexible pipe.
One or two parts between the ore conveying rigid pipe and the ore pulp lifting pump device or between the ore pulp lifting pump device and the ore conveying flexible pipe or between the ore conveying flexible pipe and the seabed ore collecting tool are connected by adopting a quick connecting device.
The umbilical cable is attached to the ore conveying rigid pipe or the ore conveying flexible pipe in a bundling or clamping mode to connect the surface mining ship, the ore pulp lifting pump device and the seabed collection tool.
The invention has the advantages that: through the combination of the rigid pipe and the flexible pipe, the requirements of the deep sea seabed ore mining system on water depth and operation range can be met; the ore pulp lifting pump device is positioned in the middle of the lifting system, so that the requirement on the pump driving device is relatively low, and the economy is good; the combination of the auxiliary cable and the balancing weight can greatly reduce the deformation and the dynamic response of the hose in the sea, and improve the ore conveying reliability and operability; a certain distance is reserved between the submarine ore collecting tool and the water surface mining ship/platform, and the ore collecting tool has a certain mining operation range and degree of freedom; the installation and recovery are carried out through the water surface mining ship/platform, so that the function concentration is realized, and the complexity of a mining system is reduced; the rapid connecting device is arranged among the rigid pipe, the flexible pipe and the submarine ore collecting tool, so that rapid connection and disconnection between a submarine and a surface mining ship/platform are realized, and the requirements of working conditions such as typhoon avoidance or mining system re-positioning are met; the rigid/flexible pipe combined ore mixed transportation lifting system is attached with the umbilical cable bundle, so that the problems of collision or winding between the umbilical cable and the ore transportation pipe and the like possibly caused by the separated arrangement can be avoided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the present invention when a cross-over flexible pipe is provided between the ore conveying flexible pipe and the submarine ore collecting tool.
Wherein: 100. a surface mining vessel; 101 lifting the mounting system; 200. an ore mixed transportation lifting system; 201. an ore delivery rigid tube; 202. a pulp lift pump unit; 203. an ore delivery flexible tube; 204. a buoyant material; 205. a quick connect device; 206. an umbilical cable; 207. an auxiliary cable; 208. a Y-shaped joint; 209. a balancing weight; 210. an emergency relief valve; 211. bridging the flexible tube; 300. seabed ore collection instrument.
Detailed Description
As shown in fig. 1-2, the rigid/flexible pipe combined ore commingling transportation lifting system comprises a surface mining ship 100, an ore conveying rigid pipe 201, an ore pulp lifting pump device 202, an ore conveying flexible pipe 203, a seabed ore collecting tool 300 which are connected in sequence, wherein the ore pulp lifting pump device 202 is arranged between the ore conveying rigid pipe 201 and the ore conveying flexible pipe 203, the ore conveying flexible pipe 203 arranged between the ore pulp lifting pump device 202 and the seabed ore collecting tool 300 is in an 'S' shape or other shapes, the distance between the surface mining ship/platform or the ore pulp lifting pump device and the seabed ore collecting tool can be kept within a certain allowable range, the ore collecting tool is slightly influenced by the motion of the surface mining ship/platform, has a certain mining working range, and simultaneously, the force acting on the seabed collecting tool is also kept within the allowable range, avoiding causing the subsea collection tool to topple, an umbilical 206 is connected between the surface mining vessel 100 and the subsea ore collection tool 300, the umbilical 206 being attached in a bundle to the ore transfer rigid pipe 201, the ore transfer flexible pipe 203 for providing power, control and communication to the slurry lift pump device 202 and the subsea collection tool 300.
The ore conveying flexible pipe 203 is provided with a buoyancy material 204.
When a cross-over flexible pipe 211 is arranged between the ore conveying flexible pipe 203 and the seabed ore collecting tool 300, at the moment, the bottom of the ore conveying flexible pipe 203 is connected with the cross-over flexible pipe 211 and an emergency release valve 210 through a Y-shaped joint 208, an auxiliary cable 207 is arranged on the ore conveying flexible pipe 203, a counterweight 209 is arranged at the bottom of the auxiliary cable 207, a buoyancy material 204 is arranged on the cross-over flexible pipe 211, the emergency release valve 210 is used for being opened in emergency, ore particles in a vertical pipe are discharged, solid particle deposition is prevented, pipeline blockage is caused, and the auxiliary cable is made of metal materials, non-metal materials or metal materials and non-metal materials.
The ore carrying flexible pipe 203 and the auxiliary cable 207 may be attached together by means of a band or a tie.
The ore pulp lifting pump device 202 is arranged between the ore conveying rigid pipe 201 and the ore conveying flexible pipe 203, and is one of a multistage centrifugal pump, a plurality of centrifugal pump cascades, a displacement pump and a disc pump, or is a pump set device formed by one of the multistage centrifugal pump, the centrifugal pump cascades, the displacement pump and the disc pump and a control or bypass valve.
The ore conveying rigid pipes 201 can be connected through threads, flanges, welding or quick joints to form a rigid pipe system integrally provided with ore pulp multiphase flow conveying.
High-abrasion-resistant composite material inner liners are adopted in the ore conveying rigid pipe 201 and the ore conveying flexible pipe 203, so that the abrasion of the inner liners is reduced, the longer service life is realized, and the maintenance and replacement cost is reduced.
The ore conveying flexible pipe 203 is made of a metal material flexible pipe, a non-metal material flexible pipe or a metal material and non-metal material mixed flexible pipe.
One or two positions between the ore conveying rigid pipe 201 and the ore pulp lifting pump device 202 or between the ore pulp lifting pump device 202 and the ore conveying flexible pipe 203 or between the ore conveying flexible pipe 203 and the seabed ore collecting tool 300 are connected by a quick connecting device, and the quick connecting device can be operated by an underwater Robot (ROV) or a hydraulic control device arranged on a surface mining ship/platform so as to realize operations such as quick connection or disconnection between different parts.
The umbilical 206 is strapped, strapped or otherwise attached to the ore carrying rigid pipe 201 or ore carrying flexible pipe 203 to connect the surface mining vessel 100 to the slurry lift pump apparatus 202 and the seafloor collection tool 300.
The pipeline components such as the ore conveying flexible pipe 203, the ore pulp lifting pump device 202, the ore conveying rigid pipe 201 and the like can be installed and recovered through a lifting installation system 101 (including but not limited to a derrick and a moon pool) arranged on a surface mining ship/platform; the ore conveying flexible pipe can be initially installed and positioned on the sea through an engineering auxiliary ship, floats at a certain specific position in the sea water, and then is reconnected with a pipeline joint and an ore pulp lifting pump device installed on a water surface mining ship/platform to form a set of finished ore mixed conveying lifting system.
The invention can meet the requirements of deep sea seabed ore mining system on water depth and operation range by the combination of the rigid pipe and the flexible pipe; the ore pulp lifting pump device is positioned in the middle of the lifting system, so that the requirement on the pump driving device is relatively low, and the economy is good; if needed, the deformation and dynamic response of the hose in the sea can be greatly reduced by arranging the combination of the auxiliary cable and the balancing weight, and the ore conveying reliability and operability are improved; a certain distance is reserved between the submarine ore collecting tool and the water surface mining ship/platform, and the ore collecting tool has a certain mining operation range and degree of freedom; the installation and recovery are carried out through the water surface mining ship/platform, so that the function concentration is realized, and the complexity of a mining system is reduced; the fast connecting device can be arranged among the rigid pipe, the ore pulp lifting pump device, the flexible pipe and the submarine ore collecting tool, so that fast connection and disconnection between a submarine and a surface mining ship/platform are realized, and the requirements of working conditions such as typhoon avoidance or re-positioning of a mining system are met; the rigid/flexible pipe combined ore mixed transportation lifting system is attached with the umbilical cable bundle, so that the problems of collision or winding between the umbilical cable and the ore transportation pipe and the like possibly caused by the separated arrangement can be avoided.
Claims (9)
1. Rigid/flexible pipe combined ore mixed transportation lifting system, its characterized in that: the ore conveying flexible pipe arranged between the ore lifting pump device and the seabed ore collecting tool is in an S shape, umbilical cables are connected between the water surface mining ship, the ore lifting pump device and the seabed ore collecting tool, and the umbilical cables are attached to the ore conveying rigid pipe and the ore conveying flexible pipe in a bundling manner.
2. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: the ore conveying flexible pipe is provided with a buoyancy material.
3. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: set up the cross-over connection flexible pipe between ore carrying flexible pipe and the seabed ore collecting tool, at this moment, the ore carries flexible pipe bottom and passes through Y type articulate cross-over connection flexible pipe and emergency relief valve, and the ore is carried and is equipped with supplementary cable on the flexible pipe, and supplementary cable bottom is equipped with the balancing weight, be equipped with the buoyancy material on the cross-over connection flexible pipe.
4. The combined rigid/flexible pipe ore commingling and hoisting system of claim 3, wherein: the ore conveying flexible pipe and the auxiliary cable are attached together through a clamping band or a binding mode.
5. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: the ore pulp lifting pump device is arranged between the ore conveying rigid pipe and the ore conveying flexible pipe, and is one of a multistage centrifugal pump, a plurality of centrifugal pump cascades, a displacement pump and a disc pump, or is a pump set device consisting of one of the multistage centrifugal pump, the centrifugal pump cascades, the displacement pump and the disc pump and a control or bypass valve.
6. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: the ore conveying rigid pipes can be connected through threads, flanges, welding or quick joints to form a rigid pipe system integrally provided with ore pulp multiphase flow conveying.
7. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: and high-wear-resistant composite material inner liners are adopted in the ore conveying rigid pipe and the ore conveying flexible pipe.
8. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: one or two parts between the ore conveying rigid pipe and the ore pulp lifting pump device or between the ore pulp lifting pump device and the ore conveying flexible pipe or between the ore conveying flexible pipe and the seabed ore collecting tool are connected by adopting a quick connecting device.
9. The rigid/flexible pipe combined ore commingling and hoisting system of claim 1, wherein: the umbilical cable is attached to the ore conveying rigid pipe or the ore conveying flexible pipe in a bundling or clamping mode to connect the surface mining ship, the ore pulp lifting pump device and the seabed collection tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465159.6A CN111924543A (en) | 2020-05-28 | 2020-05-28 | Rigid/flexible pipe combined ore mixed transportation lifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465159.6A CN111924543A (en) | 2020-05-28 | 2020-05-28 | Rigid/flexible pipe combined ore mixed transportation lifting system |
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| Publication Number | Publication Date |
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| CN111924543A true CN111924543A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010465159.6A Pending CN111924543A (en) | 2020-05-28 | 2020-05-28 | Rigid/flexible pipe combined ore mixed transportation lifting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109484A (en) * | 2021-11-24 | 2022-03-01 | 中南大学 | Continuous deep well hydraulic lifting ore system and use method |
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2020
- 2020-05-28 CN CN202010465159.6A patent/CN111924543A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109484A (en) * | 2021-11-24 | 2022-03-01 | 中南大学 | Continuous deep well hydraulic lifting ore system and use method |
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