CN109290045B - Device and method for pulping by using gold tailing waste residues - Google Patents
Device and method for pulping by using gold tailing waste residues Download PDFInfo
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- CN109290045B CN109290045B CN201811207397.6A CN201811207397A CN109290045B CN 109290045 B CN109290045 B CN 109290045B CN 201811207397 A CN201811207397 A CN 201811207397A CN 109290045 B CN109290045 B CN 109290045B
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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
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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Abstract
The invention relates to a device and a method for pulping by using gold tailing waste residue, wherein the gold tailing waste residue is prepared by extracting stones, garbage and the like by a vibrating screen, then feeding the extracted stones, garbage and the like into a main storage bin, feeding the grinded minerals into a ball mill by a belt conveyor, fully stirring the ground minerals by a stirring barrel, then feeding the grinded minerals into a flotation machine for flotation, discharging the grinded minerals as sulfur concentrate, feeding the tailings into a cyclone by a tailing pump, feeding the overflowed tailings into a spiral chute into the ball mill, regrinding the overflowed tailings by the flotation machine, recleaning and recleaning the overflowed tailings by the spiral chute, extracting iron concentrate from the tailings by three-stage magnetic separation, washing the obtained tailings by a sand washer for desliming to obtain sand, and precipitating the deslimed and overflowed slurry by a. The invention solves the problem of the tailing pond, so that the waste residue of the gold tailings does not need to be discharged to the tailing pond, the gold tailings are directly extracted after flotation, the residual slurry after metal extraction is prepared into aerated bricks, and the water in the slurry can be separated out for other production links, thereby really and fully utilizing the water.
Description
Technical Field
The invention belongs to the field of recycling of tailings, and particularly relates to a device and a method for pulping by using gold tailings.
Background
The continuous development and utilization of various mineral resources greatly promote the economic development, but also cause various milltailings which are piled up in trillions of tons in various places to occupy large areas of land and become one of environmental pollution. These tailings, while deposited as waste at the time, were tested to contain significant amounts of valuable components in such large quantities of waste. With the progress and development of the technology and the increasingly depleted mineral resources, the grade of the selected raw mineral is lower and lower, and the grade of some raw mineral is close to or even lower than the useful components in the tailings, so that whether the tailings can be used as a replacing resource or the mine tailings can be developed and utilized as a secondary resource has attracted high attention of people, and particularly, the process of recycling the mine tailings is quickened at the present day when the price of non-ferrous metals is increased, and the modern dressing and smelting technology, particularly fine grain dressing and low-content metal material smelting technology, is greatly improved.
The mine tailing resources in China have great potential in comprehensive utilization, but because the mud content of the tailings is extremely high, desliming plays an important role in the process of recycling the tailings. In the existing tailing treatment technology, the recovery of metal in tailings is generally only regarded as important, and the treatment and utilization of slurry in tailings are neglected, so that the resource waste is caused; moreover, unreasonable discharge of the slurry can cause pollution and affect the surrounding environment; therefore, it is urgently needed to find a device and a method for pulping by using gold tailing waste residues to solve the problems.
Disclosure of Invention
The invention provides a device and a method for pulping by using gold tailing waste residues, aiming at improving the problems of resource waste, environmental pollution and the like caused by incapability of fully utilizing mud due to unreasonable treatment on the overflowed mud in the traditional tailing waste residue treatment.
The specific technical scheme is as follows:
a desliming apparatus comprising: the mud removing bucket group A comprises a plurality of mud removing buckets A, each mud removing bucket A is linearly arranged from left to right, the distance between every two mud removing buckets A is equal, a conveying groove A is connected between every two adjacent mud removing buckets A, a conveying port A is formed in the side face of each mud removing bucket A at the position where the side face of each mud removing bucket A is connected with the conveying groove, and the inner cavity of each mud removing bucket A is communicated with the conveying port A through the conveying groove A; each material conveying groove A inclines towards the lower right, and the height of the lower edge of each material conveying opening A relative to the horizontal plane is smaller than that of the lower edge of the material conveying opening A adjacent to the left side of the material conveying groove A relative to the horizontal plane; the left side surface of the leftmost mud removal bucket in the mud removal bucket group A is connected with a feed chute, a feed port is formed in the position, connected with the feed chute, of the left side surface, the feed chute is communicated with the leftmost mud removal bucket A through the feed port, and the height of the lower edge of each feed chute relative to the horizontal plane is larger than that of the lower edge of the adjacent feed delivery port A on the right side of the feed chute relative to the horizontal plane; a discharge port is formed in the bottom of each desliming bucket A, a steel pipe is connected to the outside of the discharge port, a guide chute A is arranged below each steel pipe, slurry in each desliming bucket A is discharged into the guide chute A through the discharge port, the guide chute A extends from left to right and inclines towards the lower right, an opening is formed in the right end face of the guide chute A, and a stirring barrel A is arranged below the rightmost end of the guide chute A;
a mud removing bucket group B is arranged on the rear side of the mud removing bucket group A and comprises a plurality of mud removing buckets B, the mud removing buckets B are linearly arranged from left to right, and the mud removing bucket group A and the mud removing bucket group B are arranged in parallel; a material conveying groove B is connected between the two adjacent mud removing hoppers B, a material conveying port B is formed in the side face of each mud removing hopper B at the position where the side face of each mud removing hopper B is connected with the material conveying groove B, the inner cavity of each mud removing hopper B is communicated with the material conveying port B through the material conveying groove B, each material conveying groove B inclines towards the lower right side, and the height of the lower edge of each material conveying port B relative to the horizontal plane is smaller than the height of the lower edge of the adjacent material conveying port B on the left side relative to the horizontal plane; the mud removing hoppers A and the mud removing hoppers B are equal in number, connecting grooves are formed between the adjacent mud removing hoppers A and the adjacent mud removing hoppers B, connecting ports are formed in the side faces of the mud removing hoppers A and the mud removing hoppers B at positions connected with the connecting grooves, the adjacent mud removing hoppers A and the mud removing hoppers B are communicated through the connecting ports and the connecting grooves, the lower edge of each connecting port is relatively lower than the horizontal plane and is lower than the lower edge of each material conveying port formed in the mud removing hopper, relative to the horizontal plane, of the lower edge of each connecting port, a discharge port is formed in the bottom of each mud removing hopper B, steel pipes are connected to the outside of the discharge port, a guide chute B is arranged below each steel pipe, the guide chute B extends from left to right and inclines towards the lower right, an opening is formed in the right end face of the guide chute B, and a stirring barrel B is arranged below the rightmost end of the guide chute B;
a plurality of partition plates are arranged in each desliming bucket A, each partition plate is perpendicular to the bottom surface of the desliming bucket A, each partition plate is also perpendicular to the arrangement direction of the desliming buckets A, the bottom surfaces of the partition plates are attached to the bottom surfaces of the desliming buckets A, and two side surfaces of each partition plate are attached to the inner wall of the desliming bucket A; the height of the upper surface of each partition plate relative to the horizontal plane is lower than that of the lower edge of each conveying port A arranged on the desliming bucket A on which the partition plate is arranged relative to the horizontal plane, discharge ports are formed in the bottom surface of each desliming bucket A between the two adjacent partition plates, discharge ports are formed in the bottom surface of each desliming bucket A between the partition plate at the left end part and the partition plate at the right end part and the side surface of each desliming bucket, steel pipes are connected to the outside of each discharge port, and each steel pipe is positioned above the guide chute A;
valves are arranged on the steel pipes below the mud removing hoppers A and the mud removing hoppers B, the valves are electric valves, weight sensors are arranged below the stirring barrel A and the stirring barrel B, and signal lines are connected between the weight sensors and the valves.
Preferably, the side surfaces of the desliming bucket A and the desliming bucket B have draft angles, the upper parts of the side surfaces expand outwards, the lower parts of the side surfaces contract inwards, and the cross sectional area above the desliming bucket A and the desliming bucket B is larger than that below the desliming bucket A and the desliming bucket B.
Preferably, the cross section of each material conveying chute A, the material feeding chute, the material guide chute A, the material conveying chute B, the connecting chute and the material guide chute B is a rectangular chute body with an unsealed upper part.
A method for pulping by using gold tailing waste residues by utilizing the desliming device comprises the following steps:
impurity removal: screening stones and garbage from the gold tailing waste residues through a vibrating screen, and then feeding the gold tailing waste residues into a main storage bin;
ball milling: conveying the waste residues in the main storage bin to a ball mill for grinding;
a grading step: sending a product obtained after ball milling in the ball milling step to a classifier for classification;
flotation step: feeding the product obtained in the grading step into a stirring barrel for fully stirring, adding xanthate and flotation oil into the stirring barrel, adding 24-26 g of xanthate and 19-20 g of flotation oil into each ton of tailings, then feeding the tailings into a flotation machine for flotation, and refining sulfur concentrate, wherein the tailings are discharged;
a separation step: pumping the tailings obtained in the flotation step to a centrifugal cyclone for separation, returning coarse and heavy tailings waste residues with the particle size of less than 100 meshes to the ball mill through underflow, feeding the obtained overflow to a spiral chute for gravity separation, feeding the tailings obtained through gravity separation to a magnetic separator for extracting iron ore concentrate, and returning the obtained enriched ore to the ball mill for re-grinding;
sand washing: the tailings after the iron ore concentrate is extracted by the magnetic separator are fully stirred by a stirring barrel, the concentration of the tailings is adjusted, the tailings enter a primary sand washer and a secondary sand washer to wash and desliming in sequence, the cleaned tailings are screened by a drum screen, finished coarse sand on the screen is conveyed to a stock ground, undersize of the obtained drum screen, overflow of the primary sand washer and the secondary sand washer enter a tertiary sand washer together to be screened and cleaned again, fine sand cleaned by the tertiary sand washer enters a screening machine to be screened and treated, and machine-made sand with different models is prepared;
desliming: and (3) sending an overflow part of the three-stage sand washer after fine sand removal in the sand washing step to a desliming device for precipitation, conveying water obtained after precipitation to a workshop to be used as production water, and conveying slurry obtained after precipitation to a stirring barrel for stirring to manufacture the aerated brick.
Preferably, the time for milling in the ball milling step is 8 min.
Preferably, the magnetic separator in the separation step is a three-stage magnetic separator.
Preferably, in the sand washing step, the screen holes of the first-stage sand washer and the second-stage sand washer are 80 meshes, the screen hole of the drum screen is 40 meshes, and the screen hole of the third-stage sand washer is 120 meshes.
The invention has the beneficial effects that:
1. the method comprises the following steps of feeding a product obtained by a classifier into a stirring barrel for fully stirring, adding xanthate and flotation oil into the stirring barrel, adding 24-26 g of xanthate and 19-20 g of flotation oil into each ton of tailings, and then feeding the tailings into a flotation machine for flotation to refine sulfur concentrate and discharge tailings; the method solves the problem of the tailing pond, so that the waste residues of the gold tailings do not need to be discharged to the tailing pond, and are directly extracted after flotation, thereby really and fully utilizing the waste residues.
2. The invention comprises the technical scheme that tailings after iron ore concentrate is extracted by a magnetic separator are fully stirred by a stirring barrel, the concentration of the tailings is adjusted, the tailings sequentially enter a primary sand washer and a secondary sand washer to be washed and deslimed, the cleaned tailings are screened by a drum screen, finished coarse sand on the screen is conveyed to a stock ground, undersize of the obtained drum screen and overflow of the primary sand washer and the secondary sand washer enter a tertiary sand washer to be screened and cleaned again, fine sand cleaned by the tertiary sand washer enters a screening machine to be screened and treated, and machine-made sand with different models is prepared.
3. The method comprises the technical scheme that the overflow part of the three-stage sand washer after fine sand removal is sent to a desliming device for sedimentation, water obtained after sedimentation is sent to a workshop to be used as production water, and slurry obtained after sedimentation is sent to a stirring barrel to be stirred for manufacturing aerated bricks.
4. The invention comprises a technical scheme that a mud removing bucket group A comprises a plurality of mud removing buckets A, each dry mud removing bucket A is linearly arranged from left to right, a material conveying opening A is formed in each mud removing bucket A, a cooked material groove A is connected to the outer portion of each material conveying opening A, each material conveying groove A inclines towards the lower right, a material inlet is formed in the left side surface of the mud removing bucket at the leftmost end, a material inlet groove is connected to the outer portion of the material inlet, a material outlet is formed in the bottom of each mud removing bucket A, a steel pipe is connected to the outer portion of the material outlet, a material guide groove A is arranged below each steel pipe, slurry in each mud removing bucket A is discharged into the material guide groove A through the material outlet, the material guide groove A extends from left to right and inclines towards the lower right, and a stirring barrel A' is arranged below the rightmost end of the material guide groove A; when the slurry is lifted to the material conveying port A on the right side of the desliming bucket A, the slurry flows into the desliming bucket A on the right side of the desliming bucket A through the material conveying port A and the right inclined material conveying tank A to perform slurry precipitation, and so on; the slurry precipitated in the desliming hopper is discharged into the guide chute A through a discharge port at the lower part and flows into the stirring barrel A along the guide chute, and the clean water obtained after desliming can be reused in other production links; the slurry in each desliming bucket A is obtained after the sedimentation in the left desliming bucket A, so that the slurry content in each desliming bucket A is lower than that of the left desliming bucket A, the required slurry sedimentation work is less than that of the left desliming bucket A, the slurry obtained after sedimentation is clearer than that of the left desliming bucket A, the desliming efficiency and the desliming quality can be improved by utilizing the graded desliming mode, the device is simple in structure, convenient to maintain, free of power and energy-saving.
5. The invention comprises the technical scheme that a desliming bucket group B is arranged on the rear side of a desliming bucket group A, the structure of the desliming bucket group B is the same as that of the desliming bucket group A, the desliming buckets of the desliming bucket group B are equal in number, a connecting groove is arranged between the adjacent desliming buckets A and B, connecting ports are arranged on the side surfaces of the desliming bucket group A and the desliming bucket group B at the positions where the connecting ports are connected, the height of the lower edge of each connecting port is smaller than that of the lower edge of each material conveying port arranged on the desliming bucket where the connecting port is positioned, a material guide groove B is arranged below a discharge port at the bottom of the desliming bucket B, the material guide groove B extends from left to right and inclines towards the lower right, and a stirring barrel B is arranged below the rightmost end of the material guide groove; the device is characterized in that the height of the lower edge of the connecting port is designed to be smaller than the height of the lower edge of each material conveying port arranged on the mud removing bucket on which the connecting port is arranged, slurry in the mud removing bucket A flows into the mud removing bucket B adjacent to the connecting port through the connecting groove before flowing into the mud removing bucket A on the next stage on the right side of the connecting port, when the liquid level in the mud removing bucket A and the mud removing bucket B rises to the height of the material conveying port, the slurry flows into the mud removing bucket A and the mud removing bucket B on the next stage on the right side of the connecting port, and the mud removing bucket A and the mud removing bucket B adjacent to the connecting port become a communicated container.
6. The invention comprises that the side surfaces of the desliming bucket A and the desliming bucket B have draft angles, the upper parts of the side surfaces extend outwards, the lower parts of the side surfaces contract inwards, and the cross sectional area above the desliming bucket A and the desliming bucket B is larger than that below the desliming bucket A and the desliming bucket B. "is adopted as a technical scheme; this device can make the bottom area reduce through setting up the desliming fill to narrow shape about wide, makes the better outflow in discharge gate department that assembles of mud, and the volume that takes off the mud fill top simultaneously increases gradually, can not influence again and take off the mud fill and can handle the total amount of mud in a duty cycle.
7. The invention comprises the technical scheme that the cross section of each material conveying groove A, each material feeding groove, each guide groove A, each material conveying groove B, each connecting groove and each guide groove B is a rectangular groove body with an unsealed upper part; because the cross section of each groove body is a rectangular groove body with an unsealed upper part, the groove bodies can be easily cleaned, and therefore slurry is not easy to cause clogging of the groove bodies when flowing through the groove bodies.
8. The invention comprises the technical scheme that a plurality of partition plates are arranged in each desliming bucket A, each partition plate is perpendicular to the arrangement direction of the bottom surface of each desliming bucket A and the desliming bucket A, the height of the upper surface of each partition plate is lower than the height of the lower edge of each material conveying port formed in the desliming bucket A where the partition plate is arranged, the bottom surface of the desliming bucket A between two adjacent partition plates is provided with a material outlet, the bottom surface of the desliming bucket A between the partition plate at the left end part and the right end part in each desliming bucket A and the side surface of the desliming bucket A is provided with a material outlet, the outer part of each material outlet is connected with a steel pipe, and each steel pipe is positioned; this device is through setting up the baffle in desliming fill A, makes the ground paste only can flow in the space that next baffle formed after overflowing the space that a baffle formed, increases the desliming level, makes the ground paste can carry out desliming process many times in a desliming fill A's finite space to the realization improves desliming efficiency and desliming quality under the condition that does not increase the desliming fill.
9. The invention comprises the technical scheme that valves are arranged on steel pipes below all desliming hoppers, the valves are electric valves, weight sensors are arranged below a stirring barrel A and a stirring barrel B, the weight sensors weigh the mass of slurry in the stirring barrel, feed signals back to all the valves, and control the on-off of all the valves to adjust the concentration of the slurry; the device can control the concentration of the slurry by weighing the weight of the slurry by using the weight sensor, when the concentration of the slurry is less than the expected concentration, the weight of the slurry is less than the preset weight, at the moment, the weight sensor closes the valve of the right-side mud removing hopper, opens the valve of the left-side mud removing hopper to increase the concentration of the slurry, and when the concentration of the slurry is greater than the expected concentration, the valve of the left-side mud removing hopper is closed, and opens the valve of the right-side mud removing hopper to decrease the concentration of the slurry; the design can realize automatic adjustment of the slurry concentration, so that the slurry concentration meets the standard of manufacturing aerated bricks, the labor is saved, and the working efficiency is improved.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a perspective view of the first embodiment;
FIG. 3 is a front view of the first embodiment;
FIG. 4 is a top view of the first embodiment;
FIG. 5 is a sectional view taken along line A-A in the first embodiment;
FIG. 6 is a sectional view taken along line B-B in the first embodiment;
FIG. 7 is a perspective view of the second embodiment;
FIG. 8 is a front view of the second embodiment;
FIG. 9 is a plan view of the second embodiment;
FIG. 10 is a sectional view taken along line C-C in the second embodiment;
FIG. 11 is a perspective view of a third embodiment;
FIG. 12 is a front view of the third embodiment;
FIG. 13 is a plan view of the third embodiment;
FIG. 14 is a sectional view taken along line D-D in the second embodiment;
FIG. 15 is a sectional view taken along line E-E in the second embodiment;
FIG. 16 is a front view of the fourth embodiment;
in the figure: 1. the mud removal device comprises mud removal bucket groups A and 2, mud removal bucket groups B and 3, a stirring barrel A and 4, a stirring barrel B and 5, guide chutes A and 6, guide chutes B and 7, a support, a discharge port 8, a steel pipe 9, a valve 10, a mud removal bucket A and 12, mud removal buckets B and 17, material conveying chutes A and 18, material conveying ports A and 19, a material feeding chute 20, material conveying chutes B and 21, connecting chutes 22, material feeding ports 23, material conveying ports B and 24, connecting ports 25, partition plates 26 and a weight sensor.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A method for pulping by using gold tailing waste residues comprises the following steps:
1) removing impurities: screening stones and garbage from the gold tailing waste residue in the primary storage bin by a vibrating screen, and then feeding the gold tailing waste residue into a main storage bin;
2) ball milling: conveying the waste residues in the main storage bin to a ball mill for grinding for 8min by a belt conveyor;
3) grading: sending the product obtained after ball milling in the step 2) to a classifier for classification;
4) flotation: fully stirring the product obtained in the step 3) in a stirring barrel, adding xanthate and flotation oil into the mixture, adding 24-26 g of xanthate and 19-20 g of flotation oil into each ton of tailings, then performing flotation in a flotation machine, and concentrating sulfur concentrate, wherein the tailings are discharged;
5) separation: pumping the tailings obtained in the step 4) to a centrifugal cyclone for separation, returning coarse and heavy tailings waste residues with the particle size of less than 100 meshes to the ball mill through underflow, feeding the obtained overflow into a spiral chute for gravity separation, feeding the tailings obtained through gravity separation into a three-stage magnetic separator for extracting iron ore concentrate, and returning the obtained enriched ore to the ball mill for re-grinding;
6) separation: pumping the tailings obtained in the step 5) to a centrifugal cyclone for separation, returning coarse and heavy tailings waste residues with the particle size of less than 100 meshes to the ball mill through underflow, feeding the obtained overflow to a spiral chute for gravity separation, feeding the tailings obtained through gravity separation to a magnetic separator for extracting iron ore concentrate, and returning the obtained enriched ore to the ball mill for re-grinding;
7) sand washing: the tailings after the iron ore concentrate is extracted by the magnetic separator are fully stirred by a stirring barrel, the concentration of the tailings is adjusted, the tailings enter a first-stage sand washer and a second-stage sand washer in sequence to be washed and deslimed, the screen holes of the first-stage sand washer and the second-stage sand washer are 80 meshes, the cleaned tailings are screened by a drum screen, the screen holes of the drum screen are 40 meshes, the finished coarse sand of the screened soil is conveyed to a stock ground, the undersize of the obtained drum screen and the overflow of the first-stage sand washer and the second-stage sand washer enter a third-stage sand washer to be screened and cleaned again, the screen holes of the third-stage sand washer are 120 meshes, the overflow part of the third-stage sand washer enters a deslimer to be deposited for manufacturing aerated bricks, and the fine sand cleaned by the third-stage sand washer enters a screening;
8) desliming: and (3) sending the overflow part of the three-stage sand washer in the step 7) after fine sand removal to a desliming device for precipitation, conveying water obtained after precipitation to a workshop to be used as production water, and conveying slurry obtained after precipitation to a stirring barrel for stirring to manufacture aerated bricks.
The desliming device can be of various structures, and specifically comprises the following components:
example one
As shown in fig. 2, the desliming apparatus includes: the mud removing bucket group A1 comprises a plurality of mud removing buckets A11, the mud removing bucket A11 is a container for containing slurry to be subjected to mud removing, the upper part of the mud removing bucket A11 is not closed, the side faces of the mud removing bucket A1 are provided with draft angles, the upper parts of the side faces of the mud removing bucket A11 are outwards expanded, the lower parts of the side faces of the mud removing bucket A11 are inwards contracted, and the cross sectional area above the mud removing bucket A11 is larger than that below the mud removing bucket A.
The mud removing buckets A11 are linearly arranged from left to right, and the distances among the mud removing buckets A11 are equal. A material conveying groove A17 is connected between the two adjacent mud removing hoppers A11, a material conveying port A18 is formed in the position, connected with the conveying groove 20, of the side face of each mud removing hopper A11, the shape of the material conveying port A18 is matched with the shape of the connecting position of the conveying groove A17 and the side face of the mud removing hopper A11, and the inner cavity of each mud removing hopper A11 is communicated with the material conveying port A18 through the material conveying groove A17.
Each of the feed chutes a17 is inclined downward to the right as shown in fig. 3, 4, and 6. The height of the lower edge of each material conveying opening A18 relative to the horizontal plane is smaller than that of the lower edge of the material conveying opening A18 adjacent to the left side of the material conveying opening A18 relative to the horizontal plane. The left side surface of the most left desliming bucket in the desliming bucket group A1 is connected with a feeding groove 19, and the position where the feeding groove 19 is connected is provided with a feeding hole 22, as shown in FIG. 5, the shape of the feeding hole 22 is adapted to the shape of the connecting part of the feeding groove 19 and the side surface of the desliming bucket A11. The feed chute 19 is communicated with the mud removing hopper A11 at the leftmost side through the feed opening 22, and the height of the lower edge of each feed chute 19 relative to the horizontal plane is larger than that of the lower edge of the feed delivery opening A18 adjacent to the right side of the feed chute.
The bottom of each desliming bucket A11 is provided with a discharge port 8, the outside of the discharge port 8 is connected with a steel pipe 9, a guide chute A5 is arranged below each steel pipe 9, and slurry in each desliming bucket A11 is discharged into the guide chute A5 through the discharge port 8. The material guide groove A5 extends from left to right and inclines to the lower right, an opening is formed in the right end face of the material guide groove A5, and a stirring barrel A3 is arranged below the rightmost end of the material guide groove A5. The cross sections of the material conveying chute A17, the material feeding chute 19 and the material guide chute A5 are rectangular chutes with unsealed tops.
In use, slurry flows into the desliming hopper A11 connected with the feed chute 19 through the feed chute 19, slurry in the slurry sinks to the bottom of the desliming hopper A11 in a settling mode, and water in the slurry rises above the desliming hopper A11. When the slurry rises to the material delivery port A18 of the desliming hopper A11 connected with the material feeding groove 19, the slurry flows into the desliming hopper A11 on the right side through the material delivery port A18 and the material delivery groove A17 inclined to the right, and then the slurry is precipitated in a sedimentation mode. When the slurry rises to the material conveying opening A18 at the right side of the desliming hopper A11, the slurry flows into the desliming hopper A11 at the right side through the material conveying opening A18 and the material conveying groove A17 inclined towards the right side for slurry sedimentation, and so on until all the slurry flows into the desliming hopper group A1. The mud settled in the mud removing hopper A11 is discharged into the material guide groove A5 through the discharge hole 8 at the lower part and flows into the stirring barrel A3 along the material guide groove A5, and the clean water obtained after mud removing can be reused in other production links. The slurry in each desliming bucket A11 is obtained after sedimentation in the desliming bucket A11 on the left side, so the content of the slurry in each desliming bucket A11 is lower than that of the slurry in the desliming bucket A11 on the left side, the required slurry sedimentation work is less than that of the desliming bucket A11 on the left side, the slurry obtained after sedimentation is clearer than that of the desliming bucket A11 on the left side, the desliming efficiency and the desliming quality can be improved by utilizing the grading desliming mode, and the device has a simple structure, is convenient to maintain, does not need power and saves energy.
Example two
As shown in fig. 7, the desliming device includes the technical features of the first embodiment, and further includes: the rear side of the desliming bucket group A1 is provided with a desliming bucket group B2, the desliming bucket group B2 comprises a plurality of desliming buckets B12, the desliming bucket B12 is a container for containing slurry to be deslimed, the upper part of the desliming bucket B12 is not closed, the side surfaces of the desliming bucket B12 are provided with a pattern draft, the upper parts of the side surfaces of the desliming bucket B12 are outwards expanded, the lower parts of the desliming bucket B12 are inwards contracted, and the cross sectional area above.
The mud removing buckets B12 are linearly arranged from left to right, and the mud removing bucket group a1 and the mud removing bucket group B2 are arranged in parallel, as shown in fig. 9. A material conveying groove B20 is connected between the two adjacent mud removing hoppers B12, a material conveying port B23 is formed in the position, connected with the material conveying groove B20, of the side face of each mud removing hopper B12, the shape of the material conveying port B23 is matched with the shape of the connecting position of the side faces of the material conveying groove B20 and the mud removing hopper B12, and the inner cavity of each mud removing hopper B12 is communicated with the material conveying port B23 through a material conveying groove B20. The material conveying grooves B20 are inclined towards the lower right, and the height of the lower edge of each material conveying opening B23 relative to the horizontal plane is smaller than that of the lower edge of the material conveying opening B23 adjacent to the left side of the material conveying opening relative to the horizontal plane.
The number of the mud removing hoppers A11 is equal to that of the mud removing hoppers B12, and one mud removing hopper B12 is arranged on the side surface of each mud removing hopper A11 and corresponds to the position of the mud removing hopper A12. A connecting groove 21 is arranged between the adjacent desliming bucket A11 and the desliming bucket B12, and a connecting port 24 is arranged on the side surfaces of the desliming bucket A11 and the desliming bucket B12 at the position where the side surfaces are connected with the connecting groove 21, as shown in FIG. 10. The edge of the connecting port 24 is adapted to the shape of the connecting part of the side surface of the desliming bucket and the connecting groove 21, and the adjacent desliming bucket A11 and the adjacent desliming bucket B12 are communicated with the connecting groove 21 through the connecting port 24. The height of the lower edge of each connecting port 24 relative to the horizontal plane is smaller than the height of the lower edge of each material conveying port arranged on the mud removing bucket relative to the horizontal plane, a material outlet 8 is arranged at the bottom of each mud removing bucket B12, a steel pipe 9 is connected to the outside of the material outlet 8, a material guide groove B6 is arranged below each steel pipe 9, and the material guide groove B6 extends from left to right and inclines to the lower right, as shown in FIG. 8. An opening is formed in the right end face of the material guide groove B6, and a stirring barrel B4 is arranged below the rightmost end of the material guide groove B6. The cross sections of the material conveying tanks B18, the connecting tank 21 and the material guide tank B6 are rectangular tank bodies with unsealed tops.
Because the height of the lower edge of the connecting port is smaller than that of the lower edge of each material conveying port formed in the sludge removing bucket on which the connecting port is positioned, slurry in the sludge removing bucket A11 flows into the sludge removing bucket B12 adjacent to the connecting port through the connecting groove before flowing into the sludge removing bucket A11 on the next stage on the right side of the connecting port, and when the liquid level in the sludge removing bucket A11 and the sludge removing bucket B12 rises to the height of the material conveying port, the slurry flows into the sludge removing bucket A11 and the sludge removing bucket B12 on the next stage on the right side of the connecting port, so that the sludge removing bucket A11 and the sludge removing bucket B12 adjacent to the connecting port form a communicated container, the volume of the sludge removing bucket on the level is increased, the device can treat more slurry in one working cycle, the working efficiency is improved, and a sludge removing level can be increased while the sludge removing bucket B12 is increased.
EXAMPLE III
As shown in fig. 11, the desliming device includes the technical features of the second embodiment, and further includes: each of the mud removing hoppers a11 is provided with a plurality of partition plates 25 as shown in fig. 13 and 14. Each partition plate 25 is arranged perpendicular to the bottom surface of the desliming bucket A11, and each partition plate 25 is also arranged perpendicular to the arrangement direction of the desliming buckets A11. The bottom surface of the partition plate 25 is attached to the bottom surface of the mud removing bucket A11, and the two side surfaces of the partition plate 25 are attached to the inner wall of the mud removing bucket A11, as shown in FIG. 15. The height of the upper surface of the partition plate 25 relative to the horizontal plane is lower than that of the lower edge of each material conveying opening formed in the desliming bucket A11 on which the partition plate is arranged relative to the horizontal plane. The bottom surfaces of the deslimer hoppers A11 between the two adjacent partition plates 25 are provided with discharge ports 8, the bottom surfaces between the partition plates 25 at the left and right ends of each deslimer hopper A11 and the side surfaces of the deslimer hopper A11 are provided with discharge ports 8, steel pipes 9 are connected to the outside of each discharge port 8, and each steel pipe 9 is positioned above the guide chute.
When slurry flows into the desliming bucket A11, the slurry can flow into the space formed by the next clapboard 25 after overflowing the space formed by one clapboard, the arrangement of the clapboard 25 can increase the desliming level, so that the slurry can be desliming for many times in the limited space of one desliming bucket, and the desliming efficiency and the desliming quality can be improved without increasing the desliming bucket.
Example four
As shown in fig. 16, the desliming device includes the technical features of the third embodiment, and further includes: and valves 10 are arranged on the steel pipes 9 below the mud removing hoppers. The valves 10 are electric valves, weight sensors 26 are arranged below the mixing tank A3 and the mixing tank B4, the weight sensors 26 weigh the mass of slurry in the mixing tank, feed signals back to the valves 10, and control the on-off of the valves 10 to adjust the concentration of the slurry.
When the mud concentration is less than the expected concentration, the weight of the mud is less than the preset weight, and the weight sensor 26 closes the valve of the right-side mud removing bucket and opens the valve of the left-side mud removing bucket. The concentration of the mud precipitated in the left mud removing bucket is greater than that precipitated in the right mud removing bucket, so that the concentration of the mud in the stirring barrel is increased. And when the mud concentration is higher than the expected concentration, closing the valve of the left mud removing hopper, and opening the valve of the right mud removing hopper to reduce the mud concentration until the mud concentration is adjusted to be within the preset range. The design can realize automatic adjustment of the slurry concentration, so that the slurry concentration meets the standard of manufacturing aerated bricks, the labor is saved, and the working efficiency is improved.
The terms of orientation such as front, back, left, right, up and down are set to clearly indicate the requirement of the technical solution, and do not limit the scope of the invention.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (7)
1. The utility model provides a desliming device which characterized in that: the mud removing device comprises a mud removing bucket group A (1), wherein the mud removing bucket group A (1) comprises a plurality of mud removing buckets A (11), the mud removing buckets A (11) are linearly arranged from left to right, the distances among the mud removing buckets A (11) are equal, a material conveying groove A (17) is connected between every two adjacent mud removing buckets A (11), a material conveying opening A (18) is formed in the side surface of each mud removing bucket A (11) at the position where the side surface of each mud removing bucket A (11) is connected with the material conveying groove A (17), and the inner cavity of each mud removing bucket A (11) is communicated with the material conveying opening A (18) through the material conveying groove A (17); each material conveying groove A (17) inclines towards the lower right, and the height of the lower edge of each material conveying opening A (18) relative to the horizontal plane is smaller than that of the lower edge of the material conveying opening A (18) adjacent to the left side of the material conveying groove A relative to the horizontal plane; the left side surface of the leftmost mud removal bucket in the mud removal bucket group A (1) is connected with a feed chute (19), a feed port (22) is formed in the position where the left side surface is connected with the feed chute (19), the feed chute (19) is communicated with the leftmost mud removal bucket A (11) through the feed port (22), and the height of the lower edge of each feed chute (19) relative to the horizontal plane is greater than that of the lower edge of the right adjacent feed port A (18) relative to the horizontal plane; the bottom of each desliming bucket A (11) is provided with a discharge port (8), the outside of each discharge port (8) is connected with a steel pipe (9), a guide chute A (5) is arranged below each steel pipe (9), slurry in each desliming bucket A (11) is discharged into the guide chute A (5) through the discharge port (8), the guide chute A (5) extends from left to right and inclines towards the lower right, the right end face of the guide chute A (5) is provided with an opening, and a stirring barrel A (3) is arranged below the rightmost end of the guide chute A (5);
a mud removing bucket group B (2) is arranged on the rear side of the mud removing bucket group A (1), the mud removing bucket group B (2) comprises a plurality of mud removing buckets B (12), each mud removing bucket B (12) is linearly arranged from left to right, and the mud removing bucket group A (1) and the mud removing bucket group B (2) are arranged in parallel; a material conveying groove B (20) is connected between two adjacent mud removing hoppers B (12), a material conveying port B (23) is formed in the position, connected with the material conveying groove B (20), of the side face of each mud removing hopper B (12), the inner cavity of each mud removing hopper B (12) is communicated with the material conveying port B (23) through the material conveying groove B (20), each material conveying groove B (20) inclines towards the lower right side, and the height of the lower edge of each material conveying port B (23) relative to the horizontal plane is smaller than that of the lower edge of the material conveying port B (23) adjacent to the left side of the material conveying groove B (23) relative to the horizontal plane; the mud removing hoppers A (11) and the mud removing hoppers B (12) are equal in number, connecting grooves (21) are formed between the adjacent mud removing hoppers A (11) and the adjacent mud removing hoppers B (12), connecting ports (24) are formed in the side faces of the mud removing hoppers A (11) and the mud removing hoppers B (12) at positions where the connecting grooves (21) are connected, the adjacent mud removing hoppers A (11) and the mud removing hoppers B (12) are communicated with the connecting grooves (21) through the connecting ports (24), the height of the lower edge of each connecting port (24) relative to the horizontal plane is smaller than the height of the lower edge of each material conveying port formed in the mud removing hopper where the connecting port is located relative to the horizontal plane, a discharge port (8) is formed in the bottom of each mud removing hopper B (12), a steel pipe (9) is connected to the outside of the discharge port (8), a guide groove B (6) is formed below each steel pipe (9), and the guide groove B (6) extends from left to right and inclines to the lower side, an opening is formed in the right end face of the guide chute B (6), and a stirring barrel B (4) is arranged below the rightmost end of the guide chute B (6);
a plurality of partition plates (25) are arranged in each desliming bucket A (11), each partition plate (25) is perpendicular to the bottom surface of the desliming bucket A (11), each partition plate (25) is also perpendicular to the arrangement direction of the desliming buckets A (11), the bottom surfaces of the partition plates (25) are attached to the bottom surfaces of the desliming buckets A (11), and two side surfaces of each partition plate (25) are attached to the inner wall of the desliming bucket A (11); the height of the upper surface of each partition plate (25) relative to the horizontal plane is lower than that of the lower edge of each conveying port A (18) formed in the desliming bucket A (11) where the partition plate is located relative to the horizontal plane, the bottom surface of each desliming bucket between two adjacent partition plates (25) is provided with a discharge port (8), the bottom surface of each desliming bucket between the partition plate (25) at the left and right ends of each desliming bucket A (11) and the side surface of each desliming bucket is provided with a discharge port (8), the outside of each discharge port (8) is connected with a steel pipe (9), and each steel pipe (9) is located above the guide chute A (5);
valves (10) are mounted on the steel pipes (9) below the desliming hoppers A (11) and the desliming hoppers B (12), the valves (10) are electric valves, weight sensors (26) are arranged below the stirring barrel A (3) and the stirring barrel B (4), and signal lines are connected between the weight sensors (26) and the valves (10).
2. The desliming apparatus of claim 1, wherein: the side surfaces of the desliming bucket A (11) and the desliming bucket B (12) are provided with draft angles, the upper parts of the side surfaces are outwards expanded, the lower parts of the side surfaces are inwards contracted, and the cross sectional area above the desliming bucket A (11) and the desliming bucket B (12) is larger than that below the desliming bucket A (11) and the desliming bucket B (12).
3. The desliming apparatus of claim 2, wherein: the cross sections of the material conveying grooves A (17), the material feeding grooves (19), the material guide grooves A (5), the material conveying grooves B (18), the connecting grooves (21) and the material guide grooves B (6) are rectangular groove bodies with unsealed tops.
4. A process for pulping using gold tailings waste using the desliming apparatus of claim 1, the process comprising the steps of:
impurity removal: screening stones and garbage from the gold tailing waste residues through a vibrating screen, and then feeding the gold tailing waste residues into a main storage bin;
ball milling: conveying the waste residues in the main storage bin to a ball mill for grinding;
a grading step: sending a product obtained after ball milling in the ball milling step to a classifier for classification;
flotation step: feeding the product obtained in the grading step into a stirring barrel for fully stirring, adding xanthate and flotation oil into the stirring barrel, adding 24-26 g of xanthate and 19-20 g of flotation oil into each ton of tailings, then feeding the tailings into a flotation machine for flotation, and refining sulfur concentrate, wherein the tailings are discharged;
a separation step: pumping the tailings obtained in the flotation step to a centrifugal cyclone for separation, returning coarse and heavy tailings waste residues with the particle size of less than 100 meshes to the ball mill through underflow, feeding the obtained overflow to a spiral chute for gravity separation, feeding the tailings obtained through gravity separation to a magnetic separator for extracting iron ore concentrate, and returning the obtained enriched ore to the ball mill for re-grinding;
sand washing: the tailings after the iron ore concentrate is extracted by the magnetic separator are fully stirred by a stirring barrel, the concentration of the tailings is adjusted, the tailings enter a primary sand washer and a secondary sand washer to wash and desliming in sequence, the cleaned tailings are screened by a drum screen, finished coarse sand on the screen is conveyed to a stock ground, undersize of the obtained drum screen, overflow of the primary sand washer and the secondary sand washer enter a tertiary sand washer together to be screened and cleaned again, fine sand cleaned by the tertiary sand washer enters a screening machine to be screened and treated, and machine-made sand with different models is prepared;
desliming: and (3) sending an overflow part of the three-stage sand washer after fine sand removal in the sand washing step to a desliming device for precipitation, conveying water obtained after precipitation to a workshop to be used as production water, and conveying slurry obtained after precipitation to a stirring barrel for stirring to manufacture the aerated brick.
5. The method for pulping by using gold tailings waste residue as claimed in claim 4, wherein the gold tailings waste residue is prepared by the following steps: the time for grinding in the ball milling step is 8 min.
6. The method for pulping by using gold tailings waste residue as claimed in claim 4, wherein the gold tailings waste residue is prepared by the following steps: the magnetic separator in the separation step is a three-stage magnetic separator.
7. The method for pulping by using gold tailings waste residue as claimed in claim 4, wherein the gold tailings waste residue is prepared by the following steps: in the step of sand washing, the screen holes of the first-level sand washing machine and the second-level sand washing machine are 80 meshes, the screen hole of the drum screen is 40 meshes, and the screen hole of the third-level sand washing machine is 120 meshes.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207397.6A CN109290045B (en) | 2018-10-17 | 2018-10-17 | Device and method for pulping by using gold tailing waste residues |
| CN202110672900.0A CN113318856A (en) | 2018-10-17 | 2018-10-17 | Environment-friendly device and method for pulping by using gold tailing waste residues |
| CN202110672917.6A CN113318857A (en) | 2018-10-17 | 2018-10-17 | Desliming device and method for pulping by using gold tailing waste residues |
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| CN201811207397.6A CN109290045B (en) | 2018-10-17 | 2018-10-17 | Device and method for pulping by using gold tailing waste residues |
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| CN202110672917.6A Division CN113318857A (en) | 2018-10-17 | 2018-10-17 | Desliming device and method for pulping by using gold tailing waste residues |
| CN202110672900.0A Division CN113318856A (en) | 2018-10-17 | 2018-10-17 | Environment-friendly device and method for pulping by using gold tailing waste residues |
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| CN109290045A CN109290045A (en) | 2019-02-01 |
| CN109290045B true CN109290045B (en) | 2021-06-11 |
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| CN202110672917.6A Withdrawn CN113318857A (en) | 2018-10-17 | 2018-10-17 | Desliming device and method for pulping by using gold tailing waste residues |
| CN202110672900.0A Withdrawn CN113318856A (en) | 2018-10-17 | 2018-10-17 | Environment-friendly device and method for pulping by using gold tailing waste residues |
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| CN202110672900.0A Withdrawn CN113318856A (en) | 2018-10-17 | 2018-10-17 | Environment-friendly device and method for pulping by using gold tailing waste residues |
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| CN110328041B (en) * | 2019-08-12 | 2024-04-26 | 山西紫金矿业有限公司 | Novel gold mine tailing pond material re-selection pulping device |
| CN112474027A (en) * | 2019-09-12 | 2021-03-12 | 南京宝地梅山产城发展有限公司 | Iron ore-synthesizing step-grinding and sand-separating rod mill method |
| CN111871596A (en) * | 2020-07-22 | 2020-11-03 | 山东水天缘环境科技有限公司 | System for treating gold ore flotation tailing mud and processing technology for producing raw materials for buildings by using system |
| CN113856890B (en) * | 2021-08-31 | 2022-09-20 | 中国矿业大学 | Resource comprehensive utilization system and method for gold ore associated minerals |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288561A (en) * | 1999-04-07 | 2000-10-17 | Fuji Electric Co Ltd | Water treatment method and apparatus using ozone |
| CN202283422U (en) * | 2011-11-07 | 2012-06-27 | 重庆南桐矿业有限责任公司南桐选煤厂 | Efficient thickener |
| CN105645734A (en) * | 2016-03-09 | 2016-06-08 | 旌德县圣裕莹石加工有限公司 | Sludge dewatering and circulating equipment for fluorite tail pulp treatment and application of sludge dewatering and circulating equipment |
-
2018
- 2018-10-17 CN CN201811207397.6A patent/CN109290045B/en active Active
- 2018-10-17 CN CN202110672917.6A patent/CN113318857A/en not_active Withdrawn
- 2018-10-17 CN CN202110672900.0A patent/CN113318856A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288561A (en) * | 1999-04-07 | 2000-10-17 | Fuji Electric Co Ltd | Water treatment method and apparatus using ozone |
| CN202283422U (en) * | 2011-11-07 | 2012-06-27 | 重庆南桐矿业有限责任公司南桐选煤厂 | Efficient thickener |
| CN105645734A (en) * | 2016-03-09 | 2016-06-08 | 旌德县圣裕莹石加工有限公司 | Sludge dewatering and circulating equipment for fluorite tail pulp treatment and application of sludge dewatering and circulating equipment |
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| CN113318857A (en) | 2021-08-31 |
| CN109290045A (en) | 2019-02-01 |
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Denomination of invention: A device and method for pulping with gold tailings waste residue Effective date of registration: 20211208 Granted publication date: 20210611 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: SHANDONG JIUQU SHENGJI NEW BUILDING MATERIAL CO.,LTD. Registration number: Y2021980014286 |
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Date of cancellation: 20230621 Granted publication date: 20210611 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: SHANDONG JIUQU SHENGJI NEW BUILDING MATERIAL CO.,LTD. Registration number: Y2021980014286 |