CN113751181B - Discharging method for improving discharging efficiency of filling jigging column - Google Patents
Discharging method for improving discharging efficiency of filling jigging column Download PDFInfo
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- CN113751181B CN113751181B CN202111078554.XA CN202111078554A CN113751181B CN 113751181 B CN113751181 B CN 113751181B CN 202111078554 A CN202111078554 A CN 202111078554A CN 113751181 B CN113751181 B CN 113751181B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs
- B03B5/24—Constructional details of jigs, e.g. pulse control devices
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The application belongs to the field of solid material discharge in slurry, and particularly relates to a discharge method for improving discharge efficiency of a filling jigging column. The discharging method for improving the discharging efficiency of the filling jigging column is completed by a discharging system and comprises the following steps: s1-1: checking the air tightness of the discharging system; s1-2: injecting slurry into the filling jigging column, and injecting water into the pulse reciprocating generation bin to a preset height through the water inlet; s1-3: the water in the pulsation reciprocating generation bin generates pulsation reciprocating motion among the pulsation reciprocating generation bin, the discharge bin and the filling type jigging column, so that solid materials sorted by the filling type jigging column are deposited in the discharge bin in the pulsation reciprocating motion process; s1-4: solid materials in the discharging bin are discharged from the discharging bin under the action of the impulse reciprocating motion driving force of water and self gravity; s1-5: repeating the operations from S1-2 to S1-4 until all the solid materials separated by the filling jigging column are discharged to the outside of the discharging bin.
Description
Technical Field
The application belongs to the field of solid material discharge in slurry, and particularly relates to a discharge method for improving discharge efficiency of a filling jigging column.
Background
In the mineral separation industry, the discharge of solid materials in slurry is always an industry problem, patent number ZL95195017.7, patent name is solid particle gravity separation equipment and process, a separation equipment capable of separating phosphate ore into materials with different densities is disclosed in the prior art document, but the equipment has the problems that the discharge concentration and discharge quantity of materials cannot be controlled easily in the discharge process, the discharge of materials is not smooth, the blockage of a discharge port is easy to cause, the smooth discharge can be ensured only by reducing the discharge concentration, when the materials are directly discharged from the bottom of a column through a valve, the discharge of the materials is not timely due to the fact that the valve opening is too small, the discharge port is easy to be blocked, the mineral grade is reduced due to the fact that the valve opening is too large, the separation effect is not achieved, the distribution of materials in the column is damaged due to the fact that the discharge quantity is too large, the follow-up separation index is affected, the discharge concentration and the discharge quantity of the materials cannot be controlled accurately, the energy consumption of the follow-up process is increased due to the fact that the discharge concentration is too low, the automation degree is not high, and a large amount of manpower is required.
Disclosure of Invention
In view of the above, the application provides a discharging method for improving the discharging efficiency of a filling jigging column.
The application provides a discharging method for improving the discharging efficiency of a filling jigging column, which is completed by a discharging system, wherein the discharging system comprises a discharging bin, a pulse reciprocating generation bin and a water injection device, a feeding hole of the discharging bin is communicated with a first discharging hole of the filling jigging column, a communicating pipe is provided with a first valve, the interior of the pulse reciprocating generation bin is hollow, the upper part of the pulse reciprocating generation bin is respectively provided with an air inlet and an air outlet which are communicated with the interior of the pulse reciprocating generation bin, the air inlet and the air outlet of the pulse reciprocating generation bin are respectively provided with a fifth valve and a sixth valve, the pulse reciprocating generation bin is provided with a water inlet, a first liquid inlet of the discharging bin is communicated with a liquid outlet of the pulse reciprocating generation bin, a communicating pipe is provided with a second valve, the first liquid inlet of the discharging bin is positioned above the feeding hole of the discharging bin, the water injection device is communicated with the second liquid inlet of the discharging bin and is provided with a fourth valve, and the water injection device is used for injecting water into the discharging bin;
the method further comprises the steps of:
s1-1: checking the air tightness of the discharging system, and if the air tightness of the system is perfect, performing the next step;
s1-2: injecting slurry into the filling jigging column, closing the third valve, the fourth valve and the seventh valve, opening the first valve and the second valve, and injecting water into the pulse reciprocating generation bin to a preset height through the water inlet;
s1-3: closing a sixth valve, opening a fifth valve, pushing the water in the pulse reciprocating generation bin to move into the filling type jigging column through the discharge bin by compressed gas, closing the fifth valve and opening the sixth valve until the water in the pulse reciprocating generation bin returns to the original liquid level position, repeating the operation of the step, and enabling the water in the pulse reciprocating generation bin to generate pulse reciprocating motion among the pulse reciprocating generation bin, the discharge bin and the filling type jigging column so as to deposit solid materials sorted by the filling type jigging column in the discharge bin in the process of pulse reciprocating motion;
s1-4: when the deposited height of the solid material in the discharging bin reaches a feed inlet of the discharging bin, closing the first valve, opening the third valve and enabling flushing water to enter the flushing pipe, and repeating the S1-3 action until the water in the pulse reciprocating generating bin directly reciprocates in the discharging bin and the pulse reciprocating generating bin, and discharging the solid material in the discharging bin from the discharging bin under the action of the pulse reciprocating motion driving force and self gravity of the water; after the materials in the discharging bin are discharged, the third valve and the second valve are closed, the fourth valve and the seventh valve are opened, and the water injection device injects water into the discharging bin;
s1-5: and after the water level in the discharge bin passes through the first liquid inlet, closing the fourth valve and the seventh valve, opening the first valve and the second valve, and repeating the operations from S1-2 to S1-4 until all the solid materials separated by the filling jigging column are discharged out of the discharge bin.
Further, the water injection device comprises a water receiver and a water bucket, the water bucket comprises a hollow cavity and a first liquid feeding pipe, through holes matched with the first liquid feeding pipe are respectively formed in the top and the bottom of the cavity, the first liquid feeding pipe is arranged in the cavity, two ends of the first liquid feeding pipe are respectively fixed in the corresponding through holes, one end of the water bucket is communicated with a second liquid inlet of the discharging bin through a pipeline, the water receiver is arranged at the other end of the water bucket, a second liquid feeding pipe is arranged at a liquid outlet of the water bucket, the end part of the second liquid feeding pipe extends to the corresponding end of the water bucket and is communicated with the first liquid feeding pipe, the pipe diameter of the first liquid feeding pipe is larger than that of the second liquid feeding pipe, and a seventh valve is arranged on the second liquid feeding pipe.
Further, the liquid inlet of the filling jigging column is communicated with the liquid outlet of the pulse reciprocating generation bin, and an eighth valve is arranged on a communicated pipeline.
Further, a flushing pipe is arranged in the discharge bin, one end of the flushing pipe extends to the upper portion of a discharge hole of the discharge bin, the other end of the flushing pipe penetrates through the discharge bin to extend out of the discharge bin, and a plurality of water outlets are formed in the flushing pipe.
Further, the specific steps of S1-4 are as follows: the initial state of the eighth valve is a closed state, when the deposited height of the solid material in the discharging bin reaches the feeding hole of the discharging bin, the first valve is closed, the third valve and the second valve are opened, flushing water enters the flushing pipe, and meanwhile, the sixth valve and the fifth valve repeat the S1-3 action until the water in the pulse reciprocating generating bin directly performs pulse reciprocating motion in the discharging bin and the pulse reciprocating generating bin; after the materials in the discharging bin are discharged, the third valve and the second valve are closed, the fourth valve and the seventh valve are opened, and water in the water storage device is injected into the discharging bin through the water bucket.
Further, the specific steps of S1-4 are as follows: the initial state of the eighth valve is a closed state, when the deposited height of the solid material in the discharging bin reaches the feeding hole of the discharging bin, the first valve and the second valve are closed, the third valve, the fourth valve, the eighth valve and flushing water enter the flushing pipe, after the material in the discharging bin is discharged, the third valve is closed, the seventh valve is opened, and meanwhile, the sixth valve and the fifth valve repeat the S1-3 action until the water in the pulse reciprocating generating bin directly performs pulse reciprocating motion in the filling jigging column and the pulse reciprocating generating bin.
Further, after the water level in the discharge bin is over the first liquid inlet, the seventh valve, the fourth valve and the eighth valve are closed, the first valve and the second valve are opened, and the operations from S1-2 to S1-4 are repeated until all solid materials separated by the filling jigging column are discharged out of the discharge bin.
The technical scheme provided by the application has the beneficial effects that: the discharging method can realize stable conveying and discharging of the separated materials in the filled jigging column, can greatly improve the solid content of the materials, saves energy consumption for the subsequent processes such as dehydration and drying, and can also effectively solve the problems that the filled jigging column damages the steady state of mineral distribution in the gravity separation column and influences the subsequent separation index when the filled jigging column directly discharges the materials through a valve. In addition, the water of the pulse reciprocating motion can also achieve the purpose of preventing the accumulation of the sorting materials in the filling jigging column, and the sorting efficiency and the sorting effect of the filling jigging column are improved.
Drawings
FIG. 1 is a schematic view of a discharge system according to the present application;
fig. 2 is a schematic view of the structure of the water bucket according to the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be further described with reference to the accompanying drawings.
As can be seen from fig. 1-2, a discharging system for improving discharging efficiency of a filling type jigging column comprises a discharging bin 10, a pulse reciprocating generation bin 20 and a water injection device, wherein a feeding port of the discharging bin 10 is communicated with a first discharging port of the filling type jigging column 30, a first valve 40 is arranged on a communicating pipe, an interior of the pulse reciprocating generation bin 20 is hollow, an air inlet and an air outlet which are respectively communicated with the interior of the pulse reciprocating generation bin 20 are respectively arranged on the upper portion of the pulse reciprocating generation bin, a fifth valve 41 and a sixth valve 42 are respectively arranged on the air inlet and the air outlet of the pulse reciprocating generation bin 20, a water inlet 21 is arranged on the pulse reciprocating generation bin 20, a first liquid inlet of the discharging bin 10 is communicated with a liquid outlet of the pulse reciprocating generation bin 20, a second valve 43 is arranged on a communicating pipe, the first liquid inlet of the discharging bin 10 is arranged above the feeding port of the discharging bin, a third valve 44 is arranged on the discharging port of the discharging bin 10, the water injection device is communicated with the second liquid inlet of the discharging bin 10, and a fourth valve 45 is arranged on the communicating pipe, and the water injection device is used for injecting water into the discharging bin 10.
In the present application, the structure of the discharging bin 10 is not limited, and may be any geometric shape, specifically, the discharging bin 10 in the present application is a cylindrical closed structure, a discharging hole is disposed at the bottom of the discharging bin 10, a feeding hole is disposed at the middle of the discharging bin 10, a first liquid inlet is disposed at the upper portion of the discharging bin 10, and a second liquid inlet is disposed at the top of the discharging bin 10. The packing jigging column 30 is a solid particle gravity separation device disclosed in the prior art document with patent number ZL95195017.7 and patent name solid particle gravity separation device and process, so the structure of the packing jigging column is not repeated. The pulse reciprocating generating bin 20 is filled with a certain volume of water, the pulse reciprocating motion of the water in the pulse reciprocating generating bin 20 and the discharging bin 10 is realized by injecting compressed gas, specifically, the compressed gas is injected into the pulse reciprocating generating bin 20 by opening a fifth valve 41 at the air inlet of the pulse reciprocating generating bin 20 and closing a sixth valve 42 at the air outlet of the pulse reciprocating generating bin, the compressed gas pushes the liquid level in the pulse reciprocating generating bin 20 to move downwards, the compressed gas is prevented from entering the pulse reciprocating generating bin 20 by closing the fifth valve 41 and opening the sixth valve 42, the interior of the pulse reciprocating generating bin 20 is communicated with the atmosphere, and the liquid level in the pulse reciprocating generating bin 20 returns to the original liquid level position by the pressure in the interior. The application does not limit the shape of the pulse reciprocating generation bin 20, and the pulse reciprocating generation bin 20 can be in any geometric shape, specifically, the pulse reciprocating generation bin 20 in the valve is in a cylindrical closed structure, the water inlet 21 is arranged in the middle of the pulse reciprocating generation bin 20, and the liquid outlet is arranged at the bottom of the pulse reciprocating generation bin. The first valve 40, the second valve 43 and the third valve 44 are used for realizing the communication and closing of the material conveying channel and the material discharging channel of the material discharging bin 10, and the sorted materials in the filling jigging column 30 are conveyed into the material discharging bin 10 in a timing and quantitative manner through the pulse reciprocating motion of the water in the pulse reciprocating generation bin 20, and the water injection device injects water into the material discharging bin 10 so as to keep the stability of the air pressure in the material discharging bin 10 and the stability of the conveying speed of the sorted materials. The discharging device is different from the traditional direct discharging mode of the filling type jigging column 30, the separated materials of the filling type jigging column 30 are conveyed into the discharging bin 10 in a timing and quantitative mode by means of external driving force, the stability of air pressure in the discharging bin 10 is realized by means of water injection in the discharging bin 10, the stability of the conveying speed of the separated materials is further realized, the phenomenon that the internal air pressure of the filling type jigging column 30 is unbalanced and the stable density distribution formed in the column is damaged due to sudden massive discharge of the separated materials in the filling type jigging column 30 is prevented, and the recovery of the separated materials with different densities can be effectively realized.
In the above embodiment, the water injection device includes a water receiver 50 and a water bucket 51, the water bucket 51 includes a hollow cavity and a first liquid feeding pipe 52, through holes matched with the first liquid feeding pipe 52 are respectively disposed at the top and bottom of the cavity, the first liquid feeding pipe 52 is disposed in the cavity, two ends of the first liquid feeding pipe are respectively fixed in the corresponding through holes, one end of the water bucket 51 is communicated with a second liquid inlet of the discharge bin 10 through a pipeline, the water receiver 50 is disposed at the other end of the water bucket 51, a second liquid feeding pipe is disposed at a liquid outlet of the water bucket 50, and an end portion of the second liquid feeding pipe extends to the corresponding end of the water bucket 51 and is communicated with the first liquid feeding pipe 52, a pipe diameter of the first liquid feeding pipe 52 is larger than a pipe diameter of the second liquid feeding pipe, and a seventh valve 47 is disposed on the second liquid feeding pipe.
In the present application, the fourth valve 45 is provided on a pipe through which the hopper 51 communicates with the discharge bin 10. The water storage device 50 stores water, when water is needed to be replenished into the discharging bin 10, the fourth valve 45 and the seventh valve 47 are respectively opened in sequence, so that the water in the water storage device 50 is conveyed into the discharging bin 10, the pipe diameter of the first liquid conveying pipe 52 is larger than that of the second liquid conveying pipe, the gas in the discharging bin 10 is discharged, the water storage device 50 is conveyed into the discharging bin 10 quickly, and the water filling time is shortened.
In the above embodiment, the liquid inlet of the filling jigging column 30 is communicated with the liquid outlet of the pulse reciprocating bin 20, and an eighth valve 48 is provided on the communicated pipeline.
In the application, by starting the eighth valve 48, after the liquid outlet of the pulse reciprocating generation bin 20 is communicated with the liquid inlet of the filling type jigging column 30, when the system is in the discharging stage, the pulse reciprocating motion in the filling type jigging column 30 can be ensured to be continuously carried out, minerals can be continuously sorted, and meanwhile, the deposition and blockage of materials at the bottom of the column can be avoided. It should be noted that, the liquid inlet of the filling jigging column 30 in the application corresponds to the patent number ZL95195017.7, and the patent name is the pulse water inlet of the gravity separation equipment of solid particles and the gravity separation equipment in the process.
In the above embodiment, the flushing pipe 12 is disposed in the discharging bin 10, one end of the flushing pipe 12 extends above the discharging hole of the discharging bin 10, the other end of the flushing pipe passes through the discharging bin 10 and extends out of the discharging bin 10, and a plurality of water outlets are disposed on the flushing pipe 12.
In the application, the flushing pipe 12 is of an L-shaped structure, the vertical section of the flushing pipe is positioned above the discharge hole of the discharge bin 10, and water outlets are uniformly distributed on the vertical section of the flushing pipe 12. The flushing pipe 12 is an external water source, and can be used for injecting water into the discharging bin 10 to flush the discharging hole of the discharging bin 10 so as to prevent materials from accumulating at the discharging hole of the discharging bin 10.
In order to improve the automation degree of the system and realize the timed and quantitative discharge of the sorted materials, the first valve 40, the second valve 43, the third valve 44, the fourth valve 45, the fifth valve 41, the sixth valve 42, the seventh valve 47 and the eighth valve 48 are all externally connected with a control system, and the control system controls the operations of the first valve 40, the second valve 43, the third valve 44, the fourth valve 45, the fifth valve 41, the sixth valve 42, the seventh valve 47 and the eighth valve 48.
A discharging method for improving discharging efficiency of a filling jigging column comprises the following steps:
s1-1: checking the air tightness of the discharging system, and if the air tightness of the system is perfect, performing the next step;
s1-2: injecting slurry into the filling jigging column 30, sorting the slurry by the filling jigging column 30, closing the third valve 44, the fourth valve 45, the seventh valve 47 and the eighth valve 48, opening the first valve 40 and the second valve 43, and injecting water into the pulse reciprocating bin 20 to a preset height through the water inlet 21;
s1-3: closing a sixth valve 42, opening a fifth valve 41, allowing compressed gas to enter the pulse reciprocating generation bin 20, pushing water in the pulse reciprocating generation bin 20 to move to the position where the water enters the filling jigging column 30 through the discharge bin 10, closing the fifth valve 41 and opening the sixth valve 42, depressurizing the interior of the pulse reciprocating generation bin 20 until the water returns to the original liquid level position, further driving the sorted solid materials to enter the discharge bin 10, repeating the operation of the step, and enabling the water in the pulse reciprocating generation bin 20 to generate pulse reciprocating motion among the pulse reciprocating generation bin 20, the discharge bin 10 and the filling jigging column 30 so as to deposit the sorted solid materials in the discharge bin 10 in the process of pulse reciprocating motion;
s1-4, when the deposited height of solid materials in the discharging bin 10 reaches the feed inlet of the discharging bin 10, closing the first valve 40, opening the third valve 44, enabling flushing water to enter the flushing pipe 12, enabling the seventh valve 47, the fourth valve 45 and the eighth valve 48 to be in a closed state, enabling the second valve 43 to be in an open state, and simultaneously repeating the actions S2-3 by the sixth valve 42 and the fifth valve 41 until the water in the pulse reciprocating bin 20 directly performs pulse reciprocating motion in the discharging bin 10 and the pulse reciprocating bin 20, and discharging the solid materials in the discharging bin 10 from the discharging bin 10 under the action of pulse reciprocating motion driving force of the water and self gravity; after the materials in the discharging bin 10 are discharged, the third valve 44 and the second valve 43 are closed, the fourth valve 45 and the seventh valve 47 are opened, and water in the water reservoir 50 is injected into the discharging bin 10 through the water bucket 51;
s1-5, after the water level in the discharging bin 10 passes through the first liquid inlet, closing the seventh valve 47, the fourth valve 45 and the eighth valve 48, opening the first valve 40 and the second valve 43, and repeating the operations of S2-2 to S2-4 until all the solid materials separated by the filling jigging column 30 are discharged out of the discharging bin 10.
As another embodiment of the application, a discharging method for improving the discharging efficiency of a filling jigging column comprises the following steps:
s2-1: checking the air tightness of the discharging system, and if the air tightness of the system is perfect, performing the next step;
s2-2: injecting slurry into the filling jigging column 30, sorting the slurry by the filling jigging column 30, closing the third valve 44, the fourth valve 45, the seventh valve 47 and the eighth valve 48, opening the first valve 40 and the second valve 43, and injecting water into the pulse reciprocating bin 20 to a preset height through the water inlet 21;
s2-3: closing a sixth valve 42, opening a fifth valve 41, allowing compressed gas to enter the pulse reciprocating generation bin 20, pushing water in the pulse reciprocating generation bin 20 to move to the position where the water enters the filling jigging column 30 through the discharge bin 10, closing the fifth valve 41 and opening the sixth valve 42, depressurizing the interior of the pulse reciprocating generation bin 20 until the water returns to the original liquid level position, further driving the sorted solid materials to enter the discharge bin 10, repeating the operation of the step, and enabling the water in the pulse reciprocating generation bin 20 to generate pulse reciprocating motion among the pulse reciprocating generation bin 20, the discharge bin 10 and the filling jigging column 30 so as to deposit the sorted solid materials in the discharge bin 10 in the process of pulse reciprocating motion;
s2-4: when the deposited height of solid materials in the discharging bin 10 reaches the feeding hole of the discharging bin 10, the first valve 40 and the second valve 43 are closed, the third valve 44, the fourth valve 45, the eighth valve 48 and flushing water enter the flushing pipe 12, at the moment, the materials with higher density and higher solid content are discharged from the discharging hole of the discharging bin 10 by utilizing self gravity, after the materials in the discharging bin 10 are discharged, the third valve 44 is closed, the seventh valve 47 is opened, water in the water reservoir 50 is injected into the discharging bin 10 through the water bucket 51, meanwhile, the sixth valve 42 and the fifth valve 41 repeat the actions of S2-3 until the water in the pulse reciprocating generation bin 20 directly performs pulse reciprocating motion in the filling jigging column 30 and the pulse reciprocating generation bin 20 through a pipeline where the eighth valve 48 is positioned, and blockage caused by the accumulation of the materials at the bottom of the filling jigging column 30 is avoided;
s2-5: after the water level in the discharging bin 10 passes through the first liquid inlet, the seventh valve 47, the fourth valve 45 and the eighth valve 48 are closed, the first valve 40 and the second valve 43 are opened, and the operations of S2-2 to S2-4 are repeated until all the solid materials separated by the filling jigging column 30 are discharged out of the discharging bin 10.
In the first embodiment and the second embodiment, when the discharging bin 10 is in the discharging stage, the flushing pipe 12 is connected through a pipeline, flushing water enters the discharging bin 10, and when the discharging bin 10 is in the feeding stage, the pipeline of the flushing pipe 12 is in a disconnected state, so that no flushing water enters the discharging bin 10. In the application, compared with the second embodiment, the first embodiment can utilize the driving force of the pulse reciprocating motion to discharge the materials in the discharging bin 10 more quickly, avoid the accumulation of bin openings of the materials and accelerate the discharging efficiency; aiming at minerals with high density, large granularity and the like which are easy to settle, the second embodiment can ensure that the filling jigging column 30 keeps pulse reciprocating motion when the system is in the discharging time, so that the phenomenon that the bottom valve is blocked due to rapid settlement of minerals in the column is avoided, and different discharging modes can be selected for minerals with different properties so as to achieve the optimal index.
The discharging method is a method for conveying the sorted materials in the filling jigging column into the discharging bin in a timing and quantitative manner by adopting the water with the pulse reciprocating motion, so that the stable conveying and discharging of the sorted materials in the filling jigging column are realized, the solid content of the materials can be greatly improved, the energy consumption is saved for the subsequent processes such as dehydration and drying, and the problems that the stability of mineral distribution in the re-selection column is destroyed and the subsequent sorting index is influenced when the filling jigging column directly discharges the materials through a valve are solved. In addition, the water of the pulse reciprocating motion can also achieve the purpose of preventing the accumulation of the sorting materials in the filling jigging column, and the sorting efficiency and the sorting effect of the filling jigging column are improved.
In addition, the discharging device and the discharging method of the application are not limited to being applied to a filling jigging column, and are equally applicable to a thickener (such as a sloping plate combination device with the application number of CN202020362686.X and the patent name of increasing the sedimentation area of the thickener, such as a straight-line round-pond type inclined box thickener with the application number of CN202021691988.8 and the patent name of a non-rake high-concentration thickener with the application number of CN200620121943.0 and the patent name of a sloping plate thickener, such as a thickener with the application number of CN201420021289.0 and the patent names of NZS-12, NG-15 and NT-15) and a separation device (such as a dynamic continuous sedimentation separation device) in the prior art.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the application are intended to be included within the scope of the application.
Claims (7)
1. The method is characterized in that the method is completed by a discharging system, the discharging system comprises a discharging bin (10), a pulse reciprocating generation bin (20) and a water injection device, a feeding port of the discharging bin (10) is communicated with a first discharging port of a filling type jigging column (30), a first valve (40) is arranged on a communicating pipe, the interior of the pulse reciprocating generation bin (20) is hollow, an air inlet and an air outlet which are respectively communicated with the interior of the pulse reciprocating generation bin are respectively arranged on the upper part of the pulse reciprocating generation bin, a fifth valve (41) and a sixth valve (42) are respectively arranged on the air inlet and the air outlet of the pulse reciprocating generation bin, a water inlet (21) is arranged on the pulse reciprocating generation bin (20), a first liquid inlet of the discharging bin (10) is communicated with a liquid outlet of the pulse reciprocating generation bin (20), a second valve (43) is arranged on a communicating pipe, the first liquid inlet of the discharging bin (10) is positioned above the feeding port of the discharging bin, a third valve (44) is arranged on the discharging bin (10), and the water injection device is arranged on the fourth communicating pipe (45) and is used for injecting water into the discharging bin (10);
the method further comprises the steps of:
s1-1: checking the air tightness of the discharging system, and if the air tightness of the system is perfect, performing the next step;
s1-2: injecting slurry into the filling jigging column (30), closing a third valve (44), a fourth valve (45) and a seventh valve (47), opening a first valve (40) and a second valve (43), and injecting water into the pulse reciprocating generation bin (20) to a preset height through a water inlet (21);
s1-3: closing a sixth valve (42), opening a fifth valve (41), and pushing the water in the pulse reciprocating generation bin (20) by compressed gas to move into the filling type jigging column (30) through the discharge bin (10), closing the fifth valve (41) and opening the sixth valve (42) until the water in the pulse reciprocating generation bin (20) returns to the original liquid level position, repeating the operation of the step, so that the water in the pulse reciprocating generation bin (20) generates pulse reciprocating motion among the pulse reciprocating generation bin (20), the discharge bin (10) and the filling type jigging column (30), and depositing solid materials sorted by the filling type jigging column (30) in the discharge bin (10) in the pulse reciprocating motion process;
s1-4: when the deposited height of the solid material in the discharging bin (10) reaches a feed inlet of the discharging bin (10), closing a first valve (40), opening a third valve (44), enabling flushing water to enter a flushing pipe (12), and repeating the actions S1-3 by a sixth valve (42) and a fifth valve (41) until the water in the pulse reciprocating bin (20) directly performs pulse reciprocating motion in the discharging bin (10) and the pulse reciprocating bin (20), and discharging the solid material in the discharging bin (10) from the discharging bin (10) under the action of the pulse reciprocating motion driving force of the water and the self gravity; after the materials in the discharging bin (10) are discharged, the third valve (44) and the second valve (43) are closed, the fourth valve (45) and the seventh valve (47) are opened, and the water injection device injects water into the discharging bin (10);
s1-5: after the water level in the discharge bin (10) is over the first liquid inlet, the fourth valve (45) and the seventh valve (47) are closed, the first valve (40) and the second valve (43) are opened, and the operations of S1-2 to S1-4 are repeated until all the solid materials separated by the filling jigging column (30) are discharged out of the discharge bin (10).
2. The discharging method for improving the discharging efficiency of the filled jigging column according to claim 1, wherein the water injection device comprises a water receiver (50) and a water bucket (51), the water bucket (51) comprises a hollow cavity and a first liquid feeding pipe (52), through holes matched with the first liquid feeding pipe (52) are respectively formed in the top and the bottom of the cavity, the first liquid feeding pipe (52) is arranged in the cavity, two ends of the first liquid feeding pipe are respectively fixed in the corresponding through holes, one end of the water bucket (51) is communicated with a second liquid inlet of the discharging bin (10) through a pipeline, the water receiver (50) is arranged at the other end of the water bucket (51), a second liquid feeding pipe is arranged at a liquid outlet of the water bucket, the end of the second liquid feeding pipe extends to the corresponding end of the water bucket (51) and is communicated with the first liquid feeding pipe (52), the pipe diameter of the first liquid feeding pipe (52) is larger than that of the second liquid feeding pipe, and a valve (47) is arranged on the second liquid feeding pipe.
3. The discharging method for improving the discharging efficiency of the filled jigging column according to claim 2, wherein the liquid inlet of the filled jigging column (30) is communicated with the liquid outlet of the pulse reciprocating generation bin (20), and an eighth valve (48) is arranged on a communicated pipeline.
4. The discharging method for improving the discharging efficiency of the filled jigging columns according to claim 3, wherein a flushing pipe (12) is arranged in the discharging bin (10), one end of the flushing pipe (12) extends to the upper portion of a discharging hole of the discharging bin (10), the other end of the flushing pipe passes through the discharging bin (10) to extend out of the discharging bin (10), and a plurality of water outlets are formed in the flushing pipe (12).
5. The discharging method for improving the discharging efficiency of the filled jigging column according to claim 4, wherein the specific steps of S1-4 are as follows: the initial state of the eighth valve (48) is a closed state, when the deposited height of the solid material in the discharging bin (10) reaches the feeding hole of the discharging bin (10), the first valve (40) is closed, the third valve (44) and the second valve (43) are opened, flushing water enters the flushing pipe (12), and meanwhile, the sixth valve (42) and the fifth valve (41) repeat the S1-3 action until the water in the pulse reciprocating generation bin (20) directly performs pulse reciprocating motion in the discharging bin (10) and the pulse reciprocating generation bin (20); after the materials in the discharge bin (10) are discharged, the third valve (44) and the second valve (43) are closed, the fourth valve (45) and the seventh valve (47) are opened, and water in the water reservoir (50) is injected into the discharge bin (10) through the water bucket (51).
6. The discharging method for improving the discharging efficiency of the filled jigging column according to claim 4, wherein the specific steps of S1-4 are as follows: the initial state of the eighth valve (48) is a closed state, when the deposited height of solid materials in the discharging bin (10) reaches the feeding hole of the discharging bin (10), the first valve (40) and the second valve (43) are closed, the third valve (44), the fourth valve (45) and the eighth valve (48) are opened, flushing water enters the flushing pipe (12), after the materials in the discharging bin (10) are discharged, the third valve (44) is closed, the seventh valve (47) is opened, meanwhile, the sixth valve (42) and the fifth valve (41) repeat the S1-3 action until the water in the pulse reciprocating generation bin (20) directly performs pulse reciprocating motion in the filling jigging column (30) and the pulse reciprocating generation bin (20).
7. The discharging method for improving the discharging efficiency of the filled jigging column according to claim 5 or 6, wherein the specific steps of S1-5 are as follows: when the water level in the discharge bin (10) is over the first liquid inlet, the seventh valve (47), the fourth valve (45) and the eighth valve (48) are closed, the first valve (40) and the second valve (43) are opened, and the operations from S1-2 to S1-4 are repeated until all the solid materials separated by the filling jigging column (30) are discharged out of the discharge bin (10).
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| CN113751181A (en) | 2021-12-07 |
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