CN117023743B - Deep sea plume treatment device and method based on flocculation and sprinkling - Google Patents
Deep sea plume treatment device and method based on flocculation and sprinkling Download PDFInfo
- Publication number
- CN117023743B CN117023743B CN202311042165.0A CN202311042165A CN117023743B CN 117023743 B CN117023743 B CN 117023743B CN 202311042165 A CN202311042165 A CN 202311042165A CN 117023743 B CN117023743 B CN 117023743B
- Authority
- CN
- China
- Prior art keywords
- flocculant
- temporary storage
- flocculating
- solution
- flocculation
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
本发明公开了一种基于絮凝旋洒的深海羽流治理装置与方法，包括絮凝液喷洒单元、絮凝液输送单元、絮凝液制备单元和控制系统，絮凝液喷洒单元包括螺旋桨、空心轴电机及U形安装架，U形安装架水平布置、开口侧朝后。螺旋桨有三组，两组螺旋桨布置在U形安装架的左右两侧，另一组螺旋桨布置在U形安装架前侧，每组螺旋桨均包括至少两个螺旋桨，螺旋桨的桨叶上均设有喷洒孔。絮凝液制备单元包括絮凝剂溶解箱和絮凝液暂存箱，絮凝液暂存箱通过絮凝液输送单元与各螺旋桨相连。本发明通过在矿车采集头周围螺旋喷洒絮凝剂，生成絮状结构物胶结沉积物颗粒，加速沉降，减少沉积物扩散，使絮凝剂与羽流充分混合，加速颗粒絮凝成团沉降。
The present invention discloses a deep-sea plume treatment device and method based on flocculation and rotary sprinkling, including a flocculation liquid spraying unit, a flocculation liquid conveying unit, a flocculation liquid preparation unit and a control system. The flocculation liquid spraying unit includes a propeller, a hollow shaft motor and a U-shaped mounting frame, and the U-shaped mounting frame is arranged horizontally with the opening side facing backward. There are three groups of propellers, two groups of propellers are arranged on the left and right sides of the U-shaped mounting frame, and the other group of propellers is arranged on the front side of the U-shaped mounting frame. Each group of propellers includes at least two propellers, and the propeller blades are provided with spraying holes. The flocculation liquid preparation unit includes a flocculant dissolving box and a flocculation liquid temporary storage box, and the flocculation liquid temporary storage box is connected to each propeller through a flocculation liquid conveying unit. The present invention generates flocculent structures to cement sediment particles by spirally spraying flocculants around the mining car collection head, accelerates sedimentation, reduces sediment diffusion, and fully mixes the flocculant with the plume to accelerate the flocculation and sedimentation of particles.
Description
Technical Field
The invention relates to the technical field of submarine environment treatment, in particular to a deep sea plume treatment device and method based on flocculation and sprinkling.
Background
The 21 st century is the century of the ocean in which mineral resources are abundant, and the well-established deep-sea polymetallic mineral products are up to 3 trillion tons and contain numerous scarce metal elements such as cobalt, manganese, nickel, titanium, etc. Due to the low-temperature high-pressure characteristic of the deep sea, the polymetallic nodule is mainly in a round shape, and the diameter is mainly 2 cm-8 cm. Hydraulic mining is the most promising mining mode for deep sea polymetallic nodule. However, in deep sea polymetallic nodule exploitation, a hydraulic ore collecting head sprays high-speed water flow to impact polymetallic nodule and seabed, so that deep sea sediment can be severely disturbed, the sediment is resuspended to form plume, the submarine environment is destroyed, the biological abundance is influenced, the method is one of main factors restricting deep sea mineral exploitation, and no effective means for inhibiting the generation and the diffusion of the plume exists in various countries at present.
Experimental results show that flocculant is dissolved in water in advance to form flocculating slurry, and then the flocculating slurry is sprayed at high speed through a jet nozzle, so that sediment particles are quickly aggregated to form clusters to accelerate sedimentation when the flocculating slurry impacts deep sea in-situ soil to excite plume and simultaneously undergo physical and chemical processes such as aggregation adsorption and sedimentation. The flocculant is a high-efficiency inorganic flocculant commonly used for treating drinking water, industrial water and sewage, and has a large market scale and low use cost. Accordingly, there is a need in the art for further improvements and upgrades.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a deep sea plume treatment device based on flocculation and sprinkling, which solves the problems of high plume concentration, high diffusion speed, wide range, difficult sedimentation for a long time and high damage and repair difficulty on submarine ecology caused by surrounding a collection head of a deep sea mining vehicle.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a deep sea plume treatment device based on flocculation is revolved and is spilt, includes flocculation liquid spraying unit, flocculation liquid conveying unit, flocculation liquid preparation unit and control system, flocculation liquid spraying unit includes screw, hollow shaft motor and sets up in the peripheral U-shaped mounting bracket of mine car collection head, U-shaped mounting bracket horizontal arrangement, opening side are backward.
The screw has three groups, and wherein two sets of screw symmetry are arranged in the left and right sides of U-shaped mounting bracket, and another set of screw is arranged in the front side of U-shaped mounting bracket, and every screw of group all includes two at least screws, all is equipped with spray hole on the paddle of every screw, and hollow shaft can the screw rotate.
The flocculating solution preparation unit comprises a flocculating solution dissolving tank and a flocculating solution temporary storage tank, wherein an input pipe is arranged at the top of the flocculating solution dissolving tank and can be connected with a flocculating solution storage device of a water mother ship, and the flocculating solution dissolving tank is connected with an inlet end pipeline of the flocculating solution temporary storage tank through an electromagnetic pump.
The flocculant dissolving tank and the flocculation liquid temporary storage tank are both internally provided with stirring mechanisms, and the outlet end of the flocculation liquid temporary storage tank is communicated with the other end of each hollow shaft through a flocculation liquid conveying unit.
Further, the left and right sides symmetry of U-shaped mounting bracket rear end is equipped with two support arms, and the lower extreme and the U-shaped mounting bracket stationary phase of support arm link into an organic whole, and the upper end can be fixed continuous with the front side of the mining vehicle.
Further, the propellers in the same group are arranged at intervals in a linear sequence on the outer side of the U-shaped installation frame, each propeller is provided with a hollow shaft motor, and the hollow shaft motors are fixedly installed on the inner side of the U-shaped installation frame.
The fixed seal cover of screw establishes in the hollow shaft one end of hollow shaft motor, all is equipped with a plurality of holes of spraying on every paddle, and each hole of spraying of same paddle is arranged at the back surface of this paddle along the normal direction interval in proper order, and all communicates with each other with the inside of corresponding hollow shaft.
Further, the U-shaped pipe body which is arranged opposite to the U-shaped mounting frame is fixedly arranged on the inner side of the U-shaped mounting frame, and connecting pipes which are the same as the hollow shaft motors in number and correspond to the positions one by one are arranged on the outer side wall of the U-shaped pipe body.
The two ends of the U-shaped pipe body are connected with the flocculation liquid temporary storage box pipeline through the flocculation liquid conveying unit, and each connecting pipe is connected with the other end of the corresponding hollow shaft in a rotary sealing manner through a rotary joint.
Further, the flocculant dissolving box and the flocculation liquid temporary storage box are sealed square boxes, the lower end of the input pipe is connected with the top of the flocculant dissolving box, and the upper end of the input pipe is provided with a star-shaped discharge valve.
The flocculant dissolving tank is characterized in that a first water inlet pipe is arranged on the outer wall of the flocculant dissolving tank, a first electromagnetic valve is arranged on the first water inlet pipe, the first water inlet pipe can be communicated with external seawater through a filtering device, and signal ends of the first electromagnetic valve and the star-shaped discharge valve are respectively communicated with a control system.
Further, the flocculant dissolving box is internally provided with one stirring mechanism, and two stirring mechanisms which are arranged up and down are arranged in the flocculation liquid temporary storage box.
The stirring mechanism comprises a square frame and a servo motor, wherein the middle parts of the left side and the right side of the square frame are respectively connected with the side wall of the box body in a rotating mode, and the servo motor is arranged on the outer wall of the box body and drives the square frame to rotate.
The front side and the rear side of the square frame are respectively provided with a group of stirring blades, and each group of stirring blades comprises a plurality of stirring blades which are transversely and sequentially arranged at intervals.
Further, the two flocculation liquid temporary storage boxes are arranged on the front side of the flocculation liquid dissolving box in a left-right parallel manner, and the inlet ends of the two flocculation liquid temporary storage boxes are respectively connected with the pipeline of the outlet end of the flocculation liquid dissolving box.
The outer wall of the flocculation liquid temporary storage box is provided with a second water inlet pipe, a second electromagnetic valve is arranged on the second water inlet pipe, and the second water inlet pipe can be communicated with external seawater through the same filtering device.
The flocculation liquid temporary storage box is internally provided with two water level sensors, the two water level sensors are respectively arranged at the upper part and the lower part of the side wall of the flocculation liquid temporary storage box, and the signal ends of the water level sensors and the electromagnetic valve II are respectively communicated with the control system.
Further, the flocculating liquid conveying unit comprises a high-pressure pump and a flow distributor, and the inlet end of the high-pressure pump is connected with the pipeline at the outlet end of the flocculating liquid temporary storage box.
The flow distributor has an inlet end and three outlet ends, the inlet end of which is connected with the outlet end pipeline of the high-pressure pump.
Two ends of the U-shaped pipe body are respectively connected with two outlet ends of the flow distributor through a first pump delivery pipe body.
Further, the other outlet end of the flow distributor is provided with a second pump conveying pipe body, the front end of the second pump conveying pipe body is communicated with the jet pipe body of the mining vehicle, the second pump conveying pipe body is provided with a booster pump, and the signal end of the booster pump is communicated with the control system.
Another object of the invention is to propose a method for harnessing a deep sea mining plume.
The deep sea plume treatment method adopts the flocculation-based sprinkling deep sea plume treatment device, and comprises the following steps:
s1, filtering external seawater, then, enabling the filtered seawater to enter a flocculant dissolving box, quantitatively conveying a solid flocculant to the flocculant dissolving box by a water surface mother ship through an input pipe, and fully mixing the solid flocculant with filtered water to form a high-concentration flocculant solution.
S2, the filtered seawater enters a flocculating solution temporary storage box, the high-concentration flocculating agent solution is pumped into the flocculating solution temporary storage box, and is further fully mixed with the seawater, and the flocculating agent solution with the set concentration value is diluted in the flocculating solution temporary storage box.
S3, pumping the flocculant solution in the flocculation liquid temporary storage box to a flow distributor, enabling a part of flocculant solution to enter the U-shaped pipe body through two outlet ends of the flow distributor, and enabling the flocculant solution in the U-shaped pipe body to be sent into a hollow pipe of the hollow shaft motor through a connecting pipe.
The hollow shaft motor is started to drive the propeller to rotate so that the plume of the periphery of the collecting head flows to the inner side of the U-shaped mounting frame, the flocculant solution in the hollow tube reaches the spraying holes on the surface of the hollow tube through the channels positioned in the paddles, and under the action of pressure, the flocculant solution is spirally sprayed outwards through the spraying holes.
Simultaneously, another part of flocculant solution is conveyed to the jet pipe body of the mining vehicle after being pressurized through the other outlet end of the flow distributor, the flocculant solution is sprayed to the inside of the collecting cover through the jet nozzle, and the flocculant solution sprayed by the jet nozzle is used for flushing ores, so that the ores leave the seabed and are in a suspension state, and the ores are collected through the suction pipeline and enter the ore temporary storage box.
S4, fully mixing the flocculant solution sprayed out by the spray holes with the plumes to form floccules, wherein part of floccules enter the collecting head along with water flow, and the rest floccules are settled to the surface of the seabed in the water.
The flocculant solution sprayed into the collecting cover through the jet nozzle is fully mixed with the plume in the collecting cover to form floccules, and the floccules are pumped to an ore temporary storage box along with ores, discharged after being treated and settled to the surface of the seabed.
By adopting the technical scheme, the invention has the beneficial technical effects that aiming at the characteristics of high plume concentration and high scattering speed around the mine collecting head of the deep sea mining vehicle, flocculants are sprayed around the mine collecting head to generate floccule structure cementing sediment particles so as to accelerate sedimentation. On the other hand, the plume started around the ore collecting head is gathered by the action of spiral pressure difference, sediment diffusion is reduced, flocculating agents are sprayed on the wall surfaces in the rotation process of the blades, the flocculating agents are fully mixed with the plume under the action of spiral stirring, and particles are accelerated to flocculate and agglomerate to realize plume treatment of deep sea mining.
Drawings
FIG. 1 is a schematic structural view of a deep sea plume treatment device based on flocculation and sprinkling.
Fig. 2 is an enlarged partial view of the portion a of the present invention in fig. 1.
FIG. 3 is a top view of a deep sea plume abatement device based on flocculation and spinning.
Fig. 4 is a schematic view of a portion of the present invention of fig. 1, showing a U-shaped tube.
FIG. 5 is a schematic diagram of the internal structure of the flocculant dissolving tank of the present invention.
FIG. 6 is a schematic view showing the internal structure of the flocculation liquid temporary storage tank of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "plurality" is two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the mechanism or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and for example, they may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiment 1, combine fig. 1 through 6, a deep sea plume administering device based on flocculation is swirled, including flocculation liquid spraying unit 1, flocculation liquid conveying unit 2, flocculation liquid preparation unit 3 and control system, flocculation liquid spraying unit 1 includes screw 11, hollow shaft motor 12 and sets up in the peripheral U-shaped mounting bracket 13 of mine car collection head, U-shaped mounting bracket 13 horizontal arrangement, open side are backward. Two support arms 14 are symmetrically arranged on the left side and the right side of the rear end of the U-shaped mounting frame 13, the lower ends of the support arms 14 are connected with the U-shaped mounting frame 13 into a whole, and the upper ends of the support arms can be fixedly connected with the front side of the mining vehicle. The control system comprises a controller, wherein the controller adopts the prior PLC controller to perform data receiving and signal control on each electric control component of the deep sea plume treatment device, so that the execution ends of the electric control components are cooperatively matched.
The propellers 11 are three groups, two groups of propellers 11 are symmetrically arranged on the left side and the right side of the U-shaped mounting frame 13, the other group of propellers 11 are arranged on the front side of the U-shaped mounting frame 13, each group of propellers 11 comprises at least two propellers 11, specifically, two groups of propellers 11 on the left side and the right side respectively comprise two propellers 11 which are longitudinally arranged at intervals, one group of propellers 11 on the front side comprises five propellers 11 which are transversely arranged at intervals, and in practical application, the number of each group of propellers 11 is determined according to the actual size of the acquisition head.
Each propeller 11 comprises a plurality of blades 11, each blade 111 is provided with a plurality of spraying holes 112, and the hollow shaft motor 12 can rotate the propeller 11.
Specifically, the propellers 11 of the same group are arranged at intervals in a linear sequence on the outer side of the U-shaped mounting frame 13, each propeller 11 is provided with a hollow shaft motor 12, the hollow shaft motors 12 are fixedly arranged on the inner side of the U-shaped mounting frame 13, and the hollow shafts of the hollow shaft motors 12 penetrate through the U-shaped mounting frame 13 and are in running fit with the U-shaped mounting frame through bearings.
The screw propeller 11 is fixedly and hermetically sleeved at one end of a hollow shaft of the hollow shaft motor 12, and the hollow shaft motor 12 drives the screw propeller 11 to rotate. Each blade 111 is provided with a plurality of spraying holes 112, and the spraying holes 112 of the same blade 111 are sequentially arranged on the back surface of the blade 111 at intervals along the normal direction of the propeller 11, and each spraying hole 112 is communicated with the inside of the corresponding hollow shaft through a channel formed in the blade 111.
The inner side of the U-shaped mounting frame 13 is fixedly provided with connecting pipes 41 which are arranged opposite to the U-shaped pipe body 4,U and are in the same number as the hollow shaft motors 12 and are in one-to-one correspondence with the positions on the outer side wall of the pipe body 4. The two ends of the U-shaped pipe body 4 are connected with the flocculation liquid temporary storage box 41 through the flocculation liquid conveying unit 2, and each connecting pipe 41 is respectively connected with the other end of the corresponding hollow shaft in a rotary sealing manner through a rotary joint.
Specifically, the fixed part of the rotary joint is fixedly and hermetically connected with the connecting pipe 41, the rotating part of the rotary joint is fixedly and hermetically connected with the other end of the hollow shaft, and the hollow shaft interior of each hollow shaft motor 12 is communicated with the interior of the U-shaped pipe body 4.
The flocculating agent preparation unit 3 comprises a flocculating agent dissolving tank 31 and a flocculating agent temporary storage tank 41, and the flocculating agent dissolving tank 31 and the flocculating agent temporary storage tank 41 are sealed square tank bodies.
The flocculant dissolving box 31 is arranged at the rear end of the mining vehicle, two flocculation liquid temporary storage boxes 41 are arranged, the two flocculation liquid temporary storage boxes 41 are arranged on the front side of the flocculant dissolving box 31 in parallel, and the bottoms of the flocculant dissolving box 31 and the flocculation liquid temporary storage boxes 41 are fixedly connected with the frame of the mining vehicle. The top of flocculant dissolving box 31 is equipped with input tube 32, and input tube 32 lower extreme links to each other with flocculant dissolving box 31 top, and the upper end is equipped with star discharge valve, and star discharge valve has the motor, the signal end of motor with the controller communication links to each other, and the motor drives the inside rotor impeller of star discharge valve shell and rotates.
The input pipe 32 is connected to the flocculant storage device of the surface mother ship through a star-shaped discharge valve at the upper end thereof, and the star-shaped discharge valve quantitatively controls the amount of the solid flocculant entering the flocculant dissolving tank 31. The outer wall of the flocculant dissolving tank 31 is provided with a first water inlet pipe, the first water inlet pipe is provided with a first electromagnetic valve, the first water inlet pipe can be communicated with external seawater through a filtering device, and signal ends of the first electromagnetic valve and the star-shaped discharge valve are respectively communicated with a controller. The filtering device adopts the existing filtering device in the prior art to filter out sediment in the seawater, the obtained clean seawater is used for dissolving the solid flocculant, the electromagnetic valve controls the water inflow by a certain amount, and the flocculant solution with a determined concentration value is obtained.
The flocculant dissolving tank 31 is connected with an inlet end pipeline of the flocculation liquid temporary storage tank 41 through an electromagnetic pump, specifically, inlet ends of the two flocculation liquid temporary storage tanks 41 are respectively connected with an outlet end pipeline of the flocculant dissolving tank 31, and high-concentration flocculant solution prepared in the flocculant dissolving tank 31 is respectively pumped to the two flocculation liquid temporary storage tanks 41. The outer wall of the flocculating solution temporary storage box 41 is provided with a second water inlet pipe, the second water inlet pipe is provided with a second electromagnetic valve, the second water inlet pipe can be communicated with external seawater through the same filtering device, and the external seawater quantitatively enters the flocculating solution temporary storage box 41 under the action of pressure after being filtered, so that the high-concentration flocculating solution is diluted and the flocculating solution with set value concentration is obtained.
Two water level sensors 42 are arranged in the flocculation liquid temporary storage box 41, the two water level sensors 42 are respectively arranged at the upper part and the lower part of the side wall of the flocculation liquid temporary storage box 41, and the signal ends of the water level sensors 42 and the electromagnetic valve II are respectively communicated with the control system. The water level sensor 42 transmits the collected information to the controller, and the controller controls the addition amount of the high-concentration flocculant solution in the flocculation liquid temporary storage tank 41 and the seawater amount entering the flocculation liquid temporary storage tank 41 after filtration through instructions.
The inside of the flocculant dissolving tank 31 and the inside of the flocculation liquid temporary storage tank 41 are both provided with stirring mechanisms 5, specifically, one stirring mechanism 5 is arranged inside the flocculant dissolving tank 31, and two stirring mechanisms 5 which are arranged up and down are arranged in the flocculation liquid temporary storage tank 41. The stirring mechanism 5 comprises a square frame 51 and a servo motor 52, wherein the middle parts of the left side and the right side of the square frame 51 are respectively connected with the side wall of the box body in a rotating way, and the servo motor 52 is arranged on the outer wall of the box body and drives the square frame 51 to rotate.
The square frame 51 is provided with a set of stirring blades 53 on both front and rear sides thereof, respectively, and each set of stirring blades 53 includes a plurality of stirring blades 53 arranged laterally at intervals in sequence. The output end of the servo motor 52 drives the square frame 51 to rotate around the central axis thereof, drives the stirring blades 53 positioned on the square frame 51 to rotate, and stirs the seawater in the tank body to be fully mixed with the flocculant, so as to obtain flocculating liquid with uniform concentration. The stirring mechanism 5 in the flocculation liquid temporary storage tank 41 starts to work when the water level reaches the position of the upper water level sensor 42, and starts to enter when the water level reaches the position of the lower water level sensor 42, so as to ensure that the flocculation liquid temporary storage tank 41 continuously outputs flocculation liquid.
The outlet end of the flocculation liquid temporary storage box 41 is connected with the other end of each hollow shaft through the flocculation liquid conveying unit 2. The flocculating liquid conveying unit 2 comprises a high-pressure pump 21 and a flow distributor 22, wherein the inlet end of the high-pressure pump 21 is connected with the pipeline at the outlet end of the flocculating liquid temporary storage tank 41.
Specifically, the flow distributor 22 has one inlet end and three outlet ends, the inlet ends of which are connected to the outlet end pipes of the high-pressure pump 21. The two ends of the U-shaped pipe body 4 are respectively connected with two outlet ends of the flow distributor 22 through a first pump conveying pipe body 23, and when the flocculation liquid temporary storage box is in operation, flocculant solution in the flocculation liquid temporary storage box 41 enters the U-shaped pipe body 4 through the high-pressure pump 21, the flow distributor 22 and the first pump conveying pipe body 23, continuously swirls outwards through each screw propeller 11, the flocculant solution is mixed with plume and moves along with the inner side of the U-shaped mounting frame 13 along with the water flow, one part enters the collection cover, and the other part forms flocculation and subsides outside.
The collecting head of mining car is located the front side of automobile body, including collecting cover and two rows of jet nozzles, collect the cover and be the open shell structure in bottom, its top links to each other with the suction pump that sets up in the ore temporary storage case through the suction pipeline and communicates with each other, two rows of jet nozzles relative arrangement is around collecting the cover bottom open, every row of jet nozzle all includes a plurality of jet nozzles of horizontal interval arrangement in proper order, every jet nozzle all links to each other with the front end of second pump delivery body 24 through jet pipe body, flocculant solution in the second pump delivery body 24 is after pressurizing through booster pump 25, upwards gather the inboard below of cover through the jet nozzle and jet flocculant solution, on the one hand is used for dashing the ore, on the other hand subsides the plume that is located the cover inboard and opening edge.
The other outlet end of the flow distributor 22 is provided with a second pump delivery pipe body 24, the front end of the second pump delivery pipe body 24 is communicated with a jet pipe of the mining vehicle, a booster pump 25 is arranged on the second pump delivery pipe body 24, and the signal end of the booster pump 25 is communicated with the control system. In operation, the flocculant solution in the flocculation liquid temporary storage box 41 enters the jet pipe body through the high-pressure pump 21, the flow distributor 22 and the second pump conveying pipe body 24, and is injected with high-pressure water in the jet pipe body through the jet nozzle to flush ore, enters the inside of the collection cover to be mixed with plumes in the collection cover, is sucked into the ore temporary storage box, and the separated floccules are discharged to the outside for sedimentation.
Embodiment 2, with reference to fig. 1 to 6, a deep sea plume treatment method, which adopts the above-mentioned deep sea plume treatment device based on flocculation and sprinkling, includes the following steps:
s1, external seawater enters a flocculant dissolving tank 31 after being filtered, a water surface mother ship quantitatively conveys a solid flocculant to the flocculant dissolving tank 31 through an input pipe 32, and the solid PAC flocculant is fully mixed with filtered water to be dissolved to form a high-concentration PAC flocculant solution.
S2, the filtered seawater enters a flocculating solution temporary storage box 41, the high-concentration PAC flocculating agent solution is pumped into the flocculating solution temporary storage box 41 and is further fully mixed with the seawater, and the PAC flocculating agent solution with the set concentration value is diluted in the flocculating solution temporary storage box 41.
S3, pumping PAC flocculant solution in the flocculation liquid temporary storage box 41 to the flow distributor 22, enabling the flocculation liquid to enter the PAC flocculant solution in the U-shaped pipe 4,U pipe 4 through two outlet ends of the flow distributor 22, and sending the PAC flocculant solution into the hollow pipe of the hollow shaft motor 12 through the connecting pipe 41.
The hollow shaft motor 12 is started to drive the propeller 11 to rotate so that the plume of the periphery of the collecting head flows to the inner side of the U-shaped mounting frame 13, PAC flocculant solution in the hollow tube reaches the spraying holes 112 on the surface of the hollow tube through the channels positioned in the blades 111, and under the action of pressure, the PAC flocculant solution is spirally sprayed outwards through the spraying holes 112.
Meanwhile, the PAC flocculant solution is conveyed into a jet pipe body of the mining vehicle after being pressurized through the other outlet end of the flow distributor 22, and the PAC flocculant solution is sprayed into the collecting cover through a jet nozzle. The flocculating agent solution sprayed by the jet nozzle has the functions of flushing ore positioned at the inner side of the collecting cover on one hand, enabling the ore to leave the seabed and be in a suspension state, collecting the ore into the ore temporary storage box through the suction pipeline, and on the other hand, fully mixing the ore temporary storage box with plume at the inner side of the collecting cover and combining the ore temporary storage box with particles contained in the plume to form flocculation and sedimentation.
S4, fully mixing PAC flocculant solution sprayed out through the spray holes 112 with the plumes to form floccules, wherein part of floccules enter the collecting head along with water flow, and the rest floccules are settled in the water to the surface of the seabed.
The flocculant solution sprayed into the collecting cover through the jet nozzle is fully mixed with the plume in the collecting cover to form floccules, and the floccules are pumped to an ore temporary storage box along with ores, discharged after being treated and settled to the surface of the seabed.
According to Western Pacific Philippine basin deep sea in-situ soil flocculation precipitation experiments, the PAC flocculant has the best flocculation effect on plume turbid liquid with different concentrations and simulated by deep sea in-situ soil in NPAM, CPAM, APAM and PAC flocculants. When PAC seawater solution is 0.75g/L, the flocculation effect is optimal, and the sedimentation of particles is basically realized only about 3min, and the sedimentation rate is as high as 96%. And after being disturbed again, the floccule has stable structure and rapid sedimentation.
The parts not described in the invention can be realized by adopting or referring to the prior art.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The deep sea plume treatment method is characterized by comprising a flocculating liquid spraying unit, a flocculating liquid conveying unit, a flocculating liquid preparation unit and a control system, wherein the flocculating liquid spraying unit comprises a propeller, a hollow shaft motor and a U-shaped mounting frame arranged on the periphery of a mine car collecting head, and the U-shaped mounting frame is horizontally arranged with an opening side facing backwards;
The three sets of propellers are symmetrically arranged at the left side and the right side of the U-shaped mounting frame, the other set of propellers are arranged at the front side of the U-shaped mounting frame, each set of propellers comprises at least two propellers, a spraying hole is formed in each propeller blade, and the hollow shaft can rotate by the propellers;
the flocculating solution preparation unit comprises a flocculating solution dissolving tank and a flocculating solution temporary storage tank, wherein an input pipe is arranged at the top of the flocculating solution dissolving tank and can be connected with a flocculating solution storage device of a water mother ship, and the flocculating solution dissolving tank is connected with an inlet end pipeline of the flocculating solution temporary storage tank through an electromagnetic pump;
the flocculating agent dissolving box and the flocculating solution temporary storage box are internally provided with stirring mechanisms, and the outlet end of the flocculating solution temporary storage box is communicated with the other end of each hollow shaft through a flocculating solution conveying unit;
The deep sea plume treatment method comprises the following steps:
S1, filtering external seawater, then, enabling the filtered seawater to enter a flocculant dissolving box, quantitatively conveying a solid flocculant to the flocculant dissolving box by a water surface mother ship through an input pipe, and fully mixing the solid flocculant with filtered water to form a high-concentration flocculant solution;
S2, the filtered seawater enters a flocculating solution temporary storage box, the high-concentration flocculating agent solution is pumped into the flocculating solution temporary storage box and is further fully mixed with the seawater, and the flocculating agent solution with the set concentration value is diluted in the flocculating solution temporary storage box;
s3, pumping the flocculant solution in the flocculation liquid temporary storage box to a flow distributor, and enabling a part of flocculant solution to enter a U-shaped pipe body through two outlet ends of the flow distributor, wherein the flocculant solution in the U-shaped pipe body is sent into a hollow pipe of the hollow shaft motor through a connecting pipe;
Starting a hollow shaft motor to drive a propeller to rotate so that a plume on the periphery of the acquisition head flows to the inner side of the U-shaped mounting frame, and enabling flocculant solution in the hollow shaft to reach a spraying hole on the surface of the hollow shaft through a channel in the blade, wherein under the action of pressure, the flocculant solution is spirally sprayed outwards through the spraying hole;
Meanwhile, the other part of flocculant solution is conveyed into a jet pipe body of the mining vehicle after being pressurized through the other outlet end of the flow distributor, and the flocculant solution is sprayed into the collecting cover through a jet nozzle;
S4, fully mixing the flocculant solution sprayed out from the spray holes with the plumes to form floccules, wherein part of floccules enter the collecting head along with water flow, and the rest floccules are settled to the surface of the seabed in the water;
The flocculant solution sprayed into the collecting cover through the jet nozzle is fully mixed with the plume in the collecting cover to form floccules, and the floccules are pumped to an ore temporary storage box along with ores, discharged after being treated and settled to the surface of the seabed.
2. The deep sea plume treatment method according to claim 1, wherein two supporting arms are symmetrically arranged on the left side and the right side of the rear end of the U-shaped mounting frame, the lower ends of the supporting arms are fixedly connected with the U-shaped mounting frame into a whole, and the upper ends of the supporting arms can be fixedly connected with the front side of the mining vehicle.
3. The deep sea plume treatment method according to claim 1, wherein the propellers of the same group are arranged at intervals in a linear sequence on the outer side of the U-shaped mounting frame, each propeller is provided with a hollow shaft motor, and the hollow shaft motors are fixedly arranged on the inner side of the U-shaped mounting frame;
the fixed seal cover of screw establishes in the hollow shaft one end of hollow shaft motor, all is equipped with a plurality of holes of spraying on every paddle, and each hole of spraying of same paddle is arranged at the back surface of this paddle along the normal direction interval in proper order, and all communicates with each other with the inside of corresponding hollow shaft.
4. The deep sea plume treatment method according to claim 3, wherein the inner side of the U-shaped mounting frame is fixedly provided with U-shaped pipe bodies which are arranged opposite to the U-shaped mounting frame, and the outer side walls of the U-shaped pipe bodies are provided with connecting pipes which are the same in number and in one-to-one correspondence with the positions of the hollow shaft motors;
The two ends of the U-shaped pipe body are connected with the flocculation liquid temporary storage box pipeline through the flocculation liquid conveying unit, and each connecting pipe is connected with the other end of the corresponding hollow shaft in a rotary sealing manner through a rotary joint.
5. The deep sea plume treatment method according to claim 1, wherein the flocculant dissolving tank and the flocculation liquid temporary storage tank are both sealed square tanks, the lower end of the input pipe is connected with the top of the flocculant dissolving tank, and the upper end of the input pipe is provided with a star-shaped discharge valve;
the flocculant dissolving tank is characterized in that a first water inlet pipe is arranged on the outer wall of the flocculant dissolving tank, a first electromagnetic valve is arranged on the first water inlet pipe, the first water inlet pipe can be communicated with external seawater through a filtering device, and signal ends of the first electromagnetic valve and the star-shaped discharge valve are respectively communicated with a control system.
6. The deep sea plume treatment method according to claim 5, wherein the flocculant dissolving tank is internally provided with one stirring mechanism, and the flocculation liquid temporary storage tank is internally provided with two stirring mechanisms which are arranged up and down;
the stirring mechanism comprises a square frame and a servo motor, wherein the middle parts of the left side and the right side of the square frame are respectively connected with the side wall of the box body in a rotating way, and the servo motor is arranged on the outer wall of the box body and drives the square frame to rotate;
The front side and the rear side of the square frame are respectively provided with a group of stirring blades, and each group of stirring blades comprises a plurality of stirring blades which are transversely and sequentially arranged at intervals.
7. The method for treating deep sea plumes according to claim 5, wherein two temporary flocculation liquid storage boxes are arranged on the front side of the flocculant dissolving box in parallel left and right, and inlet ends of the two temporary flocculation liquid storage boxes are respectively connected with an outlet end pipeline of the flocculant dissolving box;
the outer wall of the flocculation liquid temporary storage box is provided with a second water inlet pipe, the second water inlet pipe is provided with a second electromagnetic valve, and the second water inlet pipe can be communicated with external seawater through the same filtering device;
the flocculation liquid temporary storage box is internally provided with two water level sensors, the two water level sensors are respectively arranged at the upper part and the lower part of the side wall of the flocculation liquid temporary storage box, and the signal ends of the water level sensors and the electromagnetic valve II are respectively communicated with the control system.
8. The deep sea plume treatment method according to claim 4, wherein the flocculating liquid conveying unit comprises a high-pressure pump and a flow distributor, and the inlet end of the high-pressure pump is connected with the pipeline at the outlet end of the flocculating liquid temporary storage tank;
the flow distributor is provided with an inlet end and three outlet ends, and the inlet ends of the flow distributor are connected with the outlet end pipeline of the high-pressure pump;
two ends of the U-shaped pipe body are respectively connected with two outlet ends of the flow distributor through a first pump delivery pipe body.
9. The deep sea plume treatment method according to claim 8, wherein a second pump delivery pipe body is arranged at the other outlet end of the flow distributor, the front end of the second pump delivery pipe body is communicated with the jet pipe body of the mining vehicle, a booster pump is arranged on the second pump delivery pipe body, and the signal end of the booster pump is communicated with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311042165.0A CN117023743B (en) | 2023-08-17 | 2023-08-17 | Deep sea plume treatment device and method based on flocculation and sprinkling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311042165.0A CN117023743B (en) | 2023-08-17 | 2023-08-17 | Deep sea plume treatment device and method based on flocculation and sprinkling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117023743A CN117023743A (en) | 2023-11-10 |
| CN117023743B true CN117023743B (en) | 2025-07-11 |
Family
ID=88638856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311042165.0A Active CN117023743B (en) | 2023-08-17 | 2023-08-17 | Deep sea plume treatment device and method based on flocculation and sprinkling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117023743B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569814B (en) * | 2023-11-20 | 2025-02-18 | 中国海洋大学 | Device and method for suppressing sediment discharge plume from seabed mining vehicle |
| CN117382758B (en) * | 2023-11-22 | 2024-11-05 | 长沙矿山研究院有限责任公司 | Method for reducing disturbance to environment during running of submarine crawler |
| CN118811971A (en) * | 2024-07-24 | 2024-10-22 | 中国海洋大学 | A magnetic flocculation device for deep-sea mining tailwater discharge plume treatment |
| CN118908323B (en) * | 2024-09-24 | 2025-07-08 | 自然资源部第三海洋研究所 | Device and method for repairing environment after deep sea mining |
| CN120520583B (en) * | 2025-07-24 | 2025-09-30 | 中国海洋大学 | Underwater unmanned aerial vehicle device for deep sea automatic mining and use method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102160058B1 (en) * | 2019-12-24 | 2020-09-25 | (주)더존코리아 | Water surface contaminated sediment purification system |
| CN112776950A (en) * | 2021-02-22 | 2021-05-11 | 广西大学 | Double-hull type slurry wing spraying bactericide ship |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005048465A (en) * | 2003-07-29 | 2005-02-24 | Tetra Co Ltd | Turbidity diffusion prevention method in ports and harbors construction, etc. |
| CN112520825A (en) * | 2020-11-23 | 2021-03-19 | 上海交通大学 | Circulating type sludge-mud-water separation system for seabed ore collection |
| CN216513195U (en) * | 2021-11-16 | 2022-05-13 | 江苏龙腾工程设计股份有限公司 | Low-carbon and energy-saving riverway in-situ flocculation precipitation treatment system |
-
2023
- 2023-08-17 CN CN202311042165.0A patent/CN117023743B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102160058B1 (en) * | 2019-12-24 | 2020-09-25 | (주)더존코리아 | Water surface contaminated sediment purification system |
| CN112776950A (en) * | 2021-02-22 | 2021-05-11 | 广西大学 | Double-hull type slurry wing spraying bactericide ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117023743A (en) | 2023-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117023743B (en) | Deep sea plume treatment device and method based on flocculation and sprinkling | |
| CN103764244B (en) | The upper strata cleaning device of water treatment facilities and the cleaning method of filtration material layer for water treatment device | |
| CN102342259B (en) | Water circulation treatment system of outdoor high-level shrimp tank | |
| CN113336361A (en) | Sewage purification treatment device and method | |
| CN116924538B (en) | Deep sea mining plume treatment device and method based on bottom suction flocculation | |
| CN207838461U (en) | A kind of filter device for sewage disposal | |
| CN108545856A (en) | A kind of sewage-treatment plant of the chemical feeding type with agitating function | |
| CN213924289U (en) | An automatic cycle cleaning device for sewage equipment | |
| CN118239580A (en) | Industrial wastewater recovery treatment purifier | |
| CN108821404A (en) | A kind of environment protection sewage processing unit | |
| CN113401999B (en) | Automatic control equipment for sewage treatment and sewage precipitation method | |
| CN213012124U (en) | Coagulating sedimentation integrated sedimentation tank with square outside and round inside | |
| CN110921990A (en) | Environment-friendly sewage treatment device | |
| CN105906087B (en) | A kind of ship sewage-treatment plant | |
| CN215924520U (en) | Device for treating urban domestic sewage by partial nitrosation or anaerobic ammonia oxidation | |
| CN213895534U (en) | Automatic filtering device for sludge inoculation | |
| CN211471314U (en) | Oil-water separation device for waste mineral oil | |
| CN211688419U (en) | Paint slag solid-liquid separation device | |
| CN220485426U (en) | Phosphogypsum storage yard leachate filtering device | |
| CN208493527U (en) | A kind of industrial wastewater filtering-depositing device | |
| CN208485718U (en) | A kind of double purification sewage disposal devices | |
| CN208008498U (en) | A kind of sewage air-flotation device | |
| CN207681145U (en) | Include the cleaning machine of self-cleaning cycle water tank | |
| CN215049042U (en) | A agitated vessel for biological anaerobism pond of sewage integration equipment | |
| CN219031937U (en) | Skid-mounted coal bed gas wastewater integrated treatment device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |