CN114682392A - Scheelite flotation process for improving tungsten recovery rate - Google Patents
Scheelite flotation process for improving tungsten recovery rate Download PDFInfo
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- CN114682392A CN114682392A CN202210322254.XA CN202210322254A CN114682392A CN 114682392 A CN114682392 A CN 114682392A CN 202210322254 A CN202210322254 A CN 202210322254A CN 114682392 A CN114682392 A CN 114682392A
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- 238000005188 flotation Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 32
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 27
- 239000010937 tungsten Substances 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 37
- 239000011707 mineral Substances 0.000 claims abstract description 37
- 239000012141 concentrate Substances 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 238000007667 floating Methods 0.000 claims abstract description 15
- 238000012216 screening Methods 0.000 claims abstract description 12
- 239000011362 coarse particle Substances 0.000 claims abstract description 6
- 238000010494 dissociation reaction Methods 0.000 claims abstract description 5
- 230000005593 dissociations Effects 0.000 claims abstract description 5
- 239000000178 monomer Substances 0.000 claims abstract description 5
- 230000007306 turnover Effects 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000009467 reduction Effects 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 22
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 22
- 241001330002 Bambuseae Species 0.000 claims description 22
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 22
- 239000011425 bamboo Substances 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 17
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- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000003599 detergent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000008396 flotation agent Substances 0.000 claims description 6
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- 235000018324 Shepherdia canadensis Nutrition 0.000 claims description 3
- 244000269722 Thea sinensis Species 0.000 claims description 3
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- 229920002678 cellulose Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
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- 238000002156 mixing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000001397 quillaja saponaria molina bark Substances 0.000 claims description 3
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- 150000007949 saponins Chemical class 0.000 claims description 3
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- 229910000851 Alloy steel Inorganic materials 0.000 description 1
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- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZXOKVTWPEIAYAB-UHFFFAOYSA-N dioxido(oxo)tungsten Chemical compound [O-][W]([O-])=O ZXOKVTWPEIAYAB-UHFFFAOYSA-N 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
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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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
- C11D10/045—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on non-ionic surface-active compounds and soap
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a scheelite flotation process for improving the recovery rate of tungsten, which relates to the technical field of scheelite extraction, and comprises the following steps: step one, screening mineral aggregate: firstly, manually removing foreign matters in the mineral aggregate, and then screening larger and smaller impurities in the mineral aggregate by using a screening device; and step two, cleaning the mineral aggregate. The flotation process comprises the steps of controlling a primary flotation column to perform flotation operation, floating out primary rough concentrate containing scheelite, then controlling a secondary flotation column to operate, floating out secondary rough concentrate containing scheelite, transferring the secondary rough concentrate into a regrinding device through a turnover device, enabling the secondary rough concentrate to reach a state of monomer dissociation and suitable for flotation of a flotation machine, then controlling the primary flotation machine to operate, floating out scheelite coarse particles, finally controlling the secondary flotation machine to operate, finally floating out high-precision scheelite, improving the recovery rate of the scheelite through multiple flotation treatment of mineral aggregates, and improving the efficiency of the process.
Description
Technical Field
The invention relates to a scheelite flotation process, relates to the technical field of scheelite extraction, and particularly relates to a scheelite flotation process for improving the tungsten recovery rate.
Background
The scheelite is a kind of wolframite, the wolfram is a metal element, and the silver is white crystal, hard and brittle, has high melting point, and can be made into very thin wires and special alloy steel: tungsten wires, ferrotungsten and tungsten steel, wherein in the production process of the scheelite, mineral aggregates containing the scheelite need to be subjected to flotation treatment. The following problems exist in the prior art:
1. the existing scheelite flotation process has low recovery rate, only a flotation machine is used for carrying out single flotation treatment on the scheelite, and the floated rough concentrate still contains a small amount of scheelite which is directly treated as waste, so that more waste of raw materials can be caused;
2. the existing regrinding device does not have the function of efficiently reducing noise, harsh noise can be generated in the working process of the regrinding device, and the noise can damage the hearing health of nearby workers and needs to be improved.
Disclosure of Invention
The invention provides a scheelite flotation process for improving the recovery rate of tungsten, which aims to achieve the effect of improving the recovery rate and solve the problem that a small amount of scheelite still exists in rough concentrate after flotation; the other purpose is to solve the problem that noise can cause harm to the hearing health of nearby workers, so that the effect of effectively reducing the noise is achieved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a scheelite flotation process for improving the tungsten recovery rate comprises the following steps:
step one, screening mineral aggregate: firstly, manually removing foreign matters in the mineral aggregate, and then screening larger and smaller impurities in the mineral aggregate by using a screening device;
step two, cleaning the mineral aggregate;
step three, carrying out scheelite flotation treatment;
step four, packaging white tungsten: and transferring the processed scheelite to the interior of a drying device for drying treatment, and then packaging the scheelite in a transparent bag according to a specified weight.
The technical scheme of the invention is further improved as follows: the second step further comprises the following steps:
step A1, adding 20 w% of modified tea saponin, 8 w% of natural soap solution, 12 w% of ethanol, 10 w% of distilled water, 15 w% of heavy cellulose and 35 w% of soapberry extract into a constant-temperature mixing and stirring tank, setting the stirring time to be 18MIN, controlling the temperature to be 63 +/-3 ℃, and cooling the stirred solution to room temperature to obtain a detergent;
and A2, adding the screened mineral aggregate into a cleaning pool, adding a detergent according to the proportion of 0.25% of the actual volume of the interior of the cleaning pool, stirring the mineral aggregate in the cleaning pool for 10MIN, discharging sewage after stirring, and cleaning twice by using clean water, namely finishing the cleaning treatment of the mineral aggregate.
The technical scheme of the invention is further improved as follows: the third step also comprises the following steps:
step B1, adding the mineral aggregate, the aqueous solution and the flotation agent into a stirring barrel according to a certain proportion, controlling the stirring barrel to work to mix the mineral aggregate, the aqueous solution and the flotation agent, and processing the mineral aggregate into ore pulp;
step B2, adding the ore pulp into a primary flotation column, controlling the primary flotation column to perform flotation, wherein primary rough concentrate containing scheelite can emerge in the primary flotation column, then transferring the primary rough concentrate into a secondary flotation column, and controlling the secondary flotation column to operate, so that secondary rough concentrate containing scheelite can emerge;
b3, transferring the secondary rough concentrate into a regrinding device through a turnover device, and grinding the secondary rough concentrate through the regrinding device to enable the secondary rough concentrate to reach the state of monomer dissociation and suitability for flotation of a flotation machine;
and step B4, adding the reground secondary rough concentrate into a primary flotation machine, controlling the primary flotation machine to work, floating and separating the scheelite coarse particles, finally conveying the scheelite coarse particles into a secondary flotation machine, controlling the secondary flotation machine to work, and finally floating the high-precision scheelite.
The technical scheme of the invention is further improved as follows: the regrinding device comprises a grinding box body and a grinding machine body, wherein the top of the grinding box body is detachably connected with a top sealing cover, the bottom of the grinding box body is detachably connected with a bottom sealing cover, the front of the grinding box body is fixedly provided with a control panel, an inner cavity of the grinding box body is internally provided with a noise reduction mechanism, the back of the grinding box body is provided with a dust fall mechanism, the noise reduction mechanism comprises a breathable noise reduction pipe, a sound insulation lead plate and a shock absorption supporting leg, the sound insulation lead plate is fixedly connected on the inner wall of the grinding box body, the breathable noise reduction pipe is fixedly connected on the outer wall of the grinding box body, the inner wall of the breathable noise reduction pipe is fixedly connected with a sound insulation lead cylinder, the inner wall of the sound insulation lead cylinder is fixedly connected with a sponge inner cylinder, the inner wall of the sponge inner cylinder is fixedly provided with a rubber and plastic noise reduction plate I, and the inner wall of the sponge inner cylinder is fixedly provided with a rubber and plastic noise reduction plate II, air holes are formed in the side surfaces of the first rubber and plastic sound-absorbing plate and the second rubber and plastic sound-absorbing plate.
The technical scheme of the invention is further improved as follows: the shock attenuation stabilizer blade includes the welded plate, welded plate fixed mounting is in the bottom of grinding the quick-witted body, the bottom fixed mounting of welded plate has the chute board, the bottom sliding connection of chute board has the sliding block, the bottom of sliding block is rotated and is connected with the support down tube, the bottom of supporting the down tube is rotated and is connected with the connection shock attenuation board, the top fixed mounting who connects the shock attenuation board has damping spring, damping spring's top and the bottom fixed connection of welded plate, the bottom fixed mounting who connects the shock attenuation board has rubber base, rubber base fixed mounting is in the bottom of the pipe inner chamber of making an uproar of breathing freely falling.
The technical scheme of the invention is further improved as follows: the dust fall mechanism includes an inlet ring and a dust fall barrel, inlet ring fixed mounting is at the top of grinding the machine body, fixedly connected with metal mesh pipe on the inner wall of inlet ring, fixedly connected with joint wind pipe on the outer wall of inlet ring, a dust fall barrel fixed mounting is at the back of grinding the box, the joint wind pipe is kept away from the one end of inlet ring and the top fixed connection of a dust fall barrel, fixed mounting has interior baffle on the inner wall of a dust fall barrel, fixed mounting has a water treatment barrel on the inner wall of interior baffle, the top fixedly connected with of a water treatment barrel adds the water pipe, the bottom fixedly connected with blow off pipe of a water treatment barrel.
The technical scheme of the invention is further improved as follows: fall the top fixedly connected with fan of dirt section of thick bamboo inner chamber, the play tuber pipe of fan and the top fixed connection of a water treatment section of thick bamboo, the top fixedly connected with of a water treatment section of thick bamboo inner chamber gos deep into the pipe, go deep into the hollow dish of bottom fixedly connected with of pipe, fixed mounting has a group baffle on the inner wall of a water treatment section of thick bamboo, fixed mounting has the broken section of thick bamboo of bubble on the inner wall of group baffle, the bottom threaded connection who falls a dirt section of thick bamboo has the fibre pocket.
The technical scheme of the invention is further improved as follows: the water treatment device comprises a water treatment barrel, and is characterized in that a waterproof box is fixedly mounted at the top of an inner cavity of the water treatment barrel, a vibration motor is fixedly mounted at the top of the inner cavity of the waterproof box, a transmission main rod is fixedly mounted at the bottom of the vibration motor, a transmission ring is fixedly mounted at the bottom of the transmission main rod, and a transmission branch rod is fixedly welded at the bottom of the transmission ring.
The technical scheme of the invention is further improved as follows: fixedly connected with rubber ring on the inner wall of the broken section of thick bamboo of bubble, fixedly connected with inner ring on the inner wall of rubber ring, fixed mounting has protruding thorn dish on the inner wall of inner ring, adjacent two fixed welding has the driving frame between the inner ring, the transmission divides the bottom of branch and the top fixed connection who is located the driving frame at top.
The technical scheme of the invention is further improved as follows: the pipe is folded at the right angle to fixedly connected with on the outer wall of hollow dish, the equal fixedly connected with reposition of redundant personnel ball in top that the pipe, hollow dish are folded at the right angle, the reposition of redundant personnel hole has been seted up on the outer wall of reposition of redundant personnel ball.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a scheelite flotation process for improving the tungsten recovery rate, which comprises the steps of controlling a primary flotation column to perform flotation work, floating primary rough concentrate containing scheelite, then controlling a secondary flotation column to work, floating secondary rough concentrate containing scheelite, transferring the secondary rough concentrate into a regrinding device through a turnover device, enabling the secondary rough concentrate to reach a state of monomer dissociation and suitable for flotation of a flotation machine, then controlling the primary flotation machine to work, floating scheelite coarse particles, finally controlling the secondary flotation machine to work, finally floating high-precision scheelite, improving the recovery rate of the scheelite through multiple flotation treatment of mineral materials, and improving the efficiency of the process.
2. The invention provides a scheelite flotation process for improving the tungsten recovery rate, which adopts the combination of a ventilating noise reduction pipe, a sliding chute plate, a sliding block, a damping spring, a rubber and plastic noise reduction plate I and a rubber and plastic noise reduction plate II, and can separate the noise generated by a grinding machine body to a certain extent through the design of the ventilating noise reduction pipe.
3. The invention provides a scheelite flotation process for improving the recovery rate of tungsten, which adopts the combination of a fan, a diversion hole, a water treatment cylinder and a fiber mesh bag, controls the fan to work, can absorb air from a metal mesh pipe through a connecting air pipe, absorbs floaters generated by grinding into the dust falling cylinder, then sprays the floaters into an inner cavity of the water treatment cylinder through the diversion hole, absorbs the floaters through water in the inner cavity of the water treatment cylinder, and then absorbs the floaters again through the fiber mesh bag, thereby avoiding the problem that workers excessively absorb the floaters to influence the body health, and improving the environmental protection performance of the process.
Drawings
FIG. 1 is a block diagram of a process flow for the flotation of scheelite in accordance with the present invention;
FIG. 2 is a schematic structural view of the regrinding apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the grinding chamber of the present invention;
FIG. 4 is a schematic view of the internal structure of the air permeable noise reduction tube of the present invention;
FIG. 5 is a schematic structural view of the shock absorbing foot according to the present invention;
FIG. 6 is a schematic top view of a portion of the inlet ring of the present invention;
FIG. 7 is a schematic view of the internal structure of the dust falling cylinder of the present invention;
FIG. 8 is an enlarged schematic view of structure A of the present invention;
FIG. 9 is a schematic top view of a hollow core disc according to the present invention;
fig. 10 is a schematic view of the internal structure of the bubble-fracturing cylinder of the present invention.
In the figure: 1. grinding the box body; 11. a grinder body; 2. a top cover; 3. a control panel;
4. a noise reduction mechanism; 41. a breathable noise reduction tube; 411. a sound-insulating lead cylinder; 412. an inner sponge cylinder; 413. a rubber and plastic sound-absorbing plate I; 414. a second rubber-plastic sound-absorbing plate; 415. air holes are formed; 42. a sound insulation lead plate; 43. a shock-absorbing leg; 431. welding the plate; 432. a chute plate; 433. a slider; 434. supporting the diagonal rods; 435. connecting the damping plate; 436. a damping spring; 437. a rubber base;
5. a dust falling mechanism; 51. an inlet ring; 511. a metal mesh tube; 52. a dust falling cylinder; 521. connecting an air pipe; 522. an inner partition plate; 523. a water treatment cartridge; 5231. a waterproof box; 5232. a vibration motor; 5233. a transmission main rod; 5234. a drive ring; 5235. the transmission branch rod; 524. a fan; 525. penetrating into a pipe; 526. a hollow disc; 5261. folding the tube at a right angle; 5262. a shunt ball; 5263. a shunt hole; 527. a group partition plate; 528. a bubble breaking cylinder; 5281. a rubber ring; 5282. an inner ring; 5283. a convex thorn disc; 5284. a transmission frame; 529. a fiber mesh bag.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1 to 10, the present invention provides a scheelite flotation process for increasing tungsten recovery rate, which comprises the following steps:
step one, screening mineral aggregate: firstly, manually removing foreign matters in the mineral aggregate, and then screening larger and smaller impurities in the mineral aggregate by using a screening device;
step two, cleaning the mineral aggregate, which comprises the following steps:
step A1, adding 20 w% of modified tea saponin, 8 w% of natural soap liquid, 12 w% of ethanol, 10 w% of distilled water, 15 w% of heavy cellulose and 35 w% of soapberry extract into a constant-temperature mixing and stirring tank, setting the stirring time to be 18MIN, controlling the temperature to be 63 +/-3 ℃, and cooling the stirred solution to room temperature to obtain the detergent;
step A2, adding the screened mineral aggregate into a cleaning pool, adding a detergent according to the proportion of 0.25% of the actual volume of the interior of the cleaning pool, stirring the mineral aggregate in the cleaning pool for 10MIN, discharging sewage after stirring, and then cleaning twice by using clear water, namely finishing the cleaning treatment of the mineral aggregate;
step three, carrying out scheelite flotation treatment, which specifically comprises the following steps:
step B1, adding the mineral aggregate, the aqueous solution and the flotation agent into a stirring barrel according to a certain proportion, controlling the stirring barrel to work to mix the mineral aggregate, the aqueous solution and the flotation agent, and processing the mineral aggregate into ore pulp;
step B2, adding the ore pulp into a primary flotation column, controlling the primary flotation column to perform flotation, wherein primary rough concentrate containing scheelite can emerge in the primary flotation column, then transferring the primary rough concentrate into a secondary flotation column, and controlling the secondary flotation column to operate, so that secondary rough concentrate containing scheelite can emerge;
b3, transferring the secondary rough concentrate into a regrinding device through a turnover device, and grinding the secondary rough concentrate through the regrinding device to enable the secondary rough concentrate to reach the state of monomer dissociation and suitability for flotation of a flotation machine;
step B4, adding the reground secondary rough concentrate into a primary flotation machine, controlling the primary flotation machine to work, floating and separating scheelite rough particles, finally conveying the scheelite rough particles into the secondary flotation machine, controlling the secondary flotation machine to work, and finally floating out high-precision scheelite;
step four, packaging with white tungsten: and transferring the processed scheelite to the interior of a drying device for drying treatment, and then packaging the scheelite in a transparent bag according to a specified weight.
Example 2
As shown in fig. 1 to 10, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the regrinding device comprises a grinding box body 1 and a grinding machine body 11, the top of the grinding box body 1 is detachably connected with a top sealing cover 2, the bottom of the grinding box body 1 is detachably connected with a bottom sealing cover, the front of the grinding box body 1 is fixedly provided with a control panel 3, an inner cavity of the grinding box body 1 is provided with a noise reduction mechanism 4, the back of the grinding box body 1 is provided with a dust fall mechanism 5, the noise reduction mechanism 4 comprises an air-permeable noise reduction pipe 41, a sound-insulation lead plate 42 and a shock absorption support leg 43, the sound-insulation lead plate 42 is fixedly connected on the inner wall of the grinding box body 1, the air-permeable noise reduction pipe 41 is fixedly connected on the outer wall of the grinding box body 1, the inner wall of the air-permeable noise reduction pipe 41 is fixedly connected with a sound-insulation lead cylinder 411, the inner wall of the sound-insulation lead cylinder 411 is fixedly connected with a sponge inner cylinder 412, the inner wall of the sponge inner cylinder 412 is fixedly provided with a rubber-plastic noise reduction plate 413, and a sound reduction plate 414 is fixedly arranged on the inner wall of the sponge inner cylinder 412, the air holes 415 are respectively formed in the side surfaces of the first rubber and plastic sound-absorbing plate 413 and the second rubber and plastic sound-absorbing plate 414, the shock-absorbing support leg 43 comprises a welded plate 431, the welded plate 431 is fixedly installed at the bottom of the grinding machine body 11, a chute plate 432 is fixedly installed at the bottom of the welded plate 431, a sliding block 433 is slidably connected with the bottom of the chute plate 432, a supporting inclined rod 434 is rotatably connected with the bottom of the sliding block 433, a connecting shock-absorbing plate 435 is rotatably connected with the bottom of the supporting inclined rod 434, a shock-absorbing spring 436 is fixedly installed at the top of the connecting shock-absorbing plate 435, the top of the shock-absorbing spring 436 is fixedly connected with the bottom of the welded plate 431, a rubber base 437 is fixedly installed at the bottom of the inner cavity of the air-permeable noise-reducing pipe 41, through the design of the air-permeable noise-reducing pipe 41, noise generated by the grinding machine body 11 can be blocked to a certain degree, and in the working process of the grinding machine body 11, the sliding block 433 slides on the bottom of the sliding groove plate 432, and compresses the damping spring 436, so as to absorb the vibration of the grinding machine body 11, thereby reducing the noise generation rate of the grinding machine body 11, and the efficiency of noise transmission through the air-permeable noise reduction pipe 41 is reduced through the design of the first rubber and plastic noise reduction plate 413 and the second rubber and plastic noise reduction plate 414.
Example 3
As shown in fig. 1 to 10, on the basis of embodiment 2, the present invention provides a technical solution: preferably, the dust falling mechanism 5 comprises an inlet ring 51 and a dust falling cylinder 52, the inlet ring 51 is fixedly installed at the top of the grinder body 11, a metal mesh pipe 511 is fixedly connected to the inner wall of the inlet ring 51, a connecting air pipe 521 is fixedly connected to the outer wall of the inlet ring 51, the dust falling cylinder 52 is fixedly installed at the back of the grinding box body 1, one end of the connecting air pipe 521, which is far away from the inlet ring 51, is fixedly connected with the top of the dust falling cylinder 52, an inner partition 522 is fixedly installed on the inner wall of the dust falling cylinder 52, a water treatment cylinder 523 is fixedly installed on the inner wall of the inner partition 522, a water adding pipe is fixedly connected to the top of the water treatment cylinder 523, a sewage draining pipe is fixedly connected to the bottom of the water treatment cylinder 523, a fan 524 is fixedly connected to the top of an inner cavity of the dust falling cylinder 52, an air outlet pipe of the fan 524 is fixedly connected with the top of the water treatment cylinder 523, a deep pipe 525 is fixedly connected to the top of the inner cavity of the water treatment cylinder 523, and a hollow disc 526 is fixedly connected to the bottom of the deep pipe 525, the inner wall of the water treatment barrel 523 is fixedly provided with a group partition 527, the inner wall of the group partition 527 is fixedly provided with a bubble breaking barrel 528, the bottom of the dust falling barrel 52 is in threaded connection with a fiber mesh bag 529, the outer wall of the hollow disc 526 is fixedly connected with a right-angle folding pipe 5261, the right-angle folding pipe 5261 and the top of the hollow disc 526 are fixedly connected with a shunting ball 5262, the outer wall of the shunting ball 5262 is provided with shunting holes 5263, a control fan 524 works, air can be absorbed from the metal mesh pipe 511 through a connecting air pipe 521, floaters generated by grinding are absorbed into the inner part of the dust falling barrel 52 and then are sprayed into the inner cavity of the water treatment barrel 523 through the shunting holes 5263, the floaters are absorbed through water in the inner cavity of the water treatment barrel 523, and then are absorbed again through the fiber mesh bag 529, and plugs are arranged inside the water adding pipe and the sewage discharging pipe and used for controlling the on and off of the water treatment barrel.
Example 4
As shown in fig. 1 to 10, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a waterproof box 5231 is fixedly mounted at the top of an inner cavity of the water treatment barrel 523, a vibrating motor 5232 is fixedly mounted at the top of the inner cavity of the waterproof box 5231, a transmission main rod 5233 is fixedly mounted at the bottom of the vibrating motor 5232, a transmission ring 5234 is fixedly mounted at the bottom of the transmission main rod 5233, a transmission branch rod 5235 is fixedly welded at the bottom of the transmission ring 5234, a rubber ring 5281 is fixedly connected to the inner wall of the bubble breaking barrel 528, an inner ring 5282 is fixedly connected to the inner wall of the rubber ring 5281, a protruding barbed disk 5283 is fixedly mounted on the inner wall of the inner ring 5282, a transmission rack 5284 is fixedly welded between two adjacent inner rings 5282, the bottom of the transmission branch rod 5235 is fixedly connected to the top of the transmission rack 5284 at the top, the vibrating motor 5232 is controlled to drive the transmission main rod 5233 to vibrate, the inner ring 5282 is driven to vibrate through the transmission of the transmission ring 5234, the transmission branch rod 5235 and the transmission rack 5284, the vibrating convex barbed disk 5282 is vibrated to break bubbles, the water is lifted to absorb the floating objects.
The working principle of the scheelite flotation process for increasing the tungsten recovery rate will be described in detail below.
As shown in fig. 1-10, when grinding the rough concentrate, the top cover 2 is opened to put the rough concentrate into the grinder body 11, and then the grinder body 11 is controlled to work, so as to grind the rough concentrate, in the grinding process, the fan 524 is controlled to work, air is absorbed from the metal mesh pipe 511 through the connecting air pipe 521, the flotage generated by grinding is absorbed into the dust-settling cylinder 52, the flotage is absorbed by the water and the fiber mesh bag 529 in the inner cavity of the water treatment cylinder 523, so as to ensure the safety of the indoor air environment, and after grinding is finished, the bottom cover is detached to discharge the material.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (10)
1. A scheelite flotation process for improving the recovery rate of tungsten is characterized by comprising the following steps: the scheelite flotation process for improving the tungsten recovery rate comprises the following steps:
step one, screening mineral aggregate: firstly, manually removing foreign matters in the mineral aggregate, and then screening larger and smaller impurities in the mineral aggregate by using a screening device;
step two, cleaning the mineral aggregate;
step three, carrying out scheelite flotation treatment;
step four, packaging white tungsten: and transferring the processed scheelite to the interior of a drying device for drying treatment, and then packaging the scheelite in a transparent bag according to a specified weight.
2. The scheelite flotation process for increasing tungsten recovery according to claim 1, wherein: the second step further comprises the following steps:
step A1, adding 20 w% of modified tea saponin, 8 w% of natural soap liquid, 12 w% of ethanol, 10 w% of distilled water, 15 w% of heavy cellulose and 35 w% of soapberry extract into a constant-temperature mixing and stirring tank, setting the stirring time to be 18MIN, controlling the temperature to be 63 +/-3 ℃, and cooling the stirred solution to room temperature to obtain the detergent;
and A2, adding the screened mineral aggregate into a cleaning pool, adding a detergent according to the proportion of 0.25% of the actual volume of the interior of the cleaning pool, stirring the mineral aggregate in the cleaning pool for 10MIN, discharging sewage after stirring, and cleaning twice by using clean water, namely finishing the cleaning treatment of the mineral aggregate.
3. The scheelite flotation process for increasing tungsten recovery according to claim 1, wherein: the third step also comprises the following steps:
step B1, adding the mineral aggregate, the aqueous solution and the flotation agent into a stirring barrel according to a certain proportion, controlling the stirring barrel to work to mix the mineral aggregate, the aqueous solution and the flotation agent, and processing the mineral aggregate into ore pulp;
step B2, adding the ore pulp into a primary flotation column, controlling the primary flotation column to perform flotation operation, wherein primary rough concentrate containing scheelite can emerge in the primary flotation column, then transferring the primary rough concentrate into a secondary flotation column, and controlling the secondary flotation column to operate, so that secondary rough concentrate containing scheelite can emerge;
b3, transferring the secondary rough concentrate into a regrinding device through a turnover device, and grinding the secondary rough concentrate through the regrinding device to enable the secondary rough concentrate to reach the state of monomer dissociation and suitability for flotation of a flotation machine;
and step B4, adding the reground secondary rough concentrate into a primary flotation machine, controlling the primary flotation machine to work, floating and separating the scheelite coarse particles, finally conveying the scheelite coarse particles into a secondary flotation machine, controlling the secondary flotation machine to work, and finally floating the high-precision scheelite.
4. The scheelite flotation process for increasing tungsten recovery according to claim 3, wherein: the regrinding device comprises a grinding box body (1) and a grinding machine body (11), wherein a top sealing cover (2) is detachably connected to the top of the grinding box body (1), a bottom sealing cover is detachably connected to the bottom of the grinding box body (1), a control panel (3) is fixedly installed on the front side of the grinding box body (1), a noise reduction mechanism (4) is arranged in an inner cavity of the grinding box body (1), a dust fall mechanism (5) is arranged on the back side of the grinding box body (1), the noise reduction mechanism (4) comprises a ventilating noise reduction pipe (41), a sound insulation lead plate (42) and a shock absorption supporting leg (43), the sound insulation lead plate (42) is fixedly connected to the inner wall of the grinding box body (1), the ventilating noise reduction pipe (41) is fixedly connected to the outer wall of the grinding box body (1), a sound insulation lead cylinder (411) is fixedly connected to the inner wall of the ventilating noise reduction pipe (41), fixedly connected with sponge inner tube (412) on the inner wall of sound insulation lead cylinder (411), fixed mounting has rubber and plastic acoustical panel one (413) on the inner wall of sponge inner tube (412), fixed mounting has rubber and plastic acoustical panel two (414) on the inner wall of sponge inner tube (412), bleeder vent (415) have all been seted up to the side of rubber and plastic acoustical panel one (413), rubber and plastic acoustical panel two (414).
5. The scheelite flotation process for increasing tungsten recovery according to claim 4, wherein: shock attenuation stabilizer blade (43) are including welding board (431), welding board (431) fixed mounting is in the bottom of grinding the quick-witted body (11), the bottom fixed mounting of welding board (431) has chute board (432), the bottom sliding connection of chute board (432) has sliding block (433), the bottom of sliding block (433) is rotated and is connected with support down tube (434), the bottom of supporting down tube (434) is rotated and is connected with connection damper plate (435), the top fixed mounting of connecting damper plate (435) has damping spring (436), the top of damping spring (436) and the bottom fixed connection of welding board (431), the bottom fixed mounting of connecting damper plate (435) has rubber base (437), rubber base (437) fixed mounting is in the bottom of pipe of making an uproar (41) inner chamber of breathing freely.
6. The scheelite flotation process for increasing tungsten recovery according to claim 4, wherein: dust fall mechanism (5) are including an entrance ring (51) and a dust fall section of thick bamboo (52), entrance ring (51) fixed mounting is at the top of grinding machine body (11), fixedly connected with metal mesh pipe (511) on the inner wall of entrance ring (51), fixedly connected with connecting air pipe (521) on the outer wall of entrance ring (51), dust fall section of thick bamboo (52) fixed mounting is at the back of grinding box (1), the one end of entrance ring (51) and the top fixed connection who falls a dust section of thick bamboo (52) are kept away from in connecting air pipe (521), fixed mounting has interior baffle (522) on the inner wall of a dust fall section of thick bamboo (52), fixed mounting has a water treatment section of thick bamboo (523) on the inner wall of interior baffle (522), the top fixedly connected with of a water treatment section of thick bamboo (523) adds the water pipe, the bottom fixedly connected with water treatment pipe of a dust fall section of thick bamboo (523).
7. The scheelite flotation process for increasing tungsten recovery according to claim 6, wherein: fall the top fixedly connected with fan (524) of a dirt section of thick bamboo (52) inner chamber, the play tuber pipe of fan (524) and the top fixed connection of a water treatment section of thick bamboo (523), the top fixedly connected with of a water treatment section of thick bamboo (523) inner chamber is deep into pipe (525), deep into the hollow dish (526) of bottom fixedly connected with of pipe (525), fixed mounting has group's baffle (527) on the inner wall of a water treatment section of thick bamboo (523), fixed mounting has broken section of thick bamboo (528) of bubble on the inner wall of group's baffle (527), the bottom threaded connection that falls a dirt section of thick bamboo (52) has fibre pocket (529).
8. The scheelite flotation process for increasing tungsten recovery according to claim 7, wherein: the top fixed mounting of water treatment section of thick bamboo (523) inner chamber has waterproof box (5231), the top fixed mounting of waterproof box (5231) inner chamber has vibrating motor (5232), the bottom fixed mounting of vibrating motor (5232) has transmission mobile jib (5233), the bottom fixed mounting of transmission mobile jib (5233) has transmission ring (5234), the fixed welding in bottom of transmission ring (5234) has transmission branch pole (5235).
9. The scheelite flotation process for increasing tungsten recovery according to claim 8, wherein: fixedly connected with rubber ring (5281) on the inner wall of broken section of thick bamboo of bubble (528), fixedly connected with inner ring (5282) on the inner wall of rubber ring (5281), fixed mounting has protruding thorn dish (5283) on the inner wall of inner ring (5282), adjacent two fixed welding has transmission frame (5284) between inner ring (5282), the transmission divides the bottom of branch pole (5235) and the top fixed connection of transmission frame (5284) that is located the top.
10. The scheelite flotation process for increasing tungsten recovery according to claim 9, wherein: the outer wall of the hollow disc (526) is fixedly connected with a right-angle folding pipe (5261), the tops of the right-angle folding pipe (5261) and the hollow disc (526) are fixedly connected with a shunting ball (5262), and the outer wall of the shunting ball (5262) is provided with shunting holes (5263).
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