CN115595450B - Device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment - Google Patents
Device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment Download PDFInfo
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- CN115595450B CN115595450B CN202210936412.0A CN202210936412A CN115595450B CN 115595450 B CN115595450 B CN 115595450B CN 202210936412 A CN202210936412 A CN 202210936412A CN 115595450 B CN115595450 B CN 115595450B
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- zinc sulfide
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- 229910052709 silver Inorganic materials 0.000 title claims abstract description 37
- 239000004332 silver Substances 0.000 title claims abstract description 37
- 238000002386 leaching Methods 0.000 title claims abstract description 28
- 239000005083 Zinc sulfide Substances 0.000 title claims abstract description 24
- 229910052984 zinc sulfide Inorganic materials 0.000 title claims abstract description 24
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 12
- 239000006096 absorbing agent Substances 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 10
- 230000023556 desulfurization Effects 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 29
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 27
- 239000002002 slurry Substances 0.000 abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005188 flotation Methods 0.000 abstract description 11
- 238000009210 therapy by ultrasound Methods 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011133 lead Substances 0.000 description 3
- 229910052950 sphalerite Inorganic materials 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009133 cooperative interaction Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- LWUVWAREOOAHDW-UHFFFAOYSA-N lead silver Chemical compound [Ag].[Pb] LWUVWAREOOAHDW-UHFFFAOYSA-N 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009858 zinc metallurgy Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/044—Recovery of noble metals from waste materials from pyrometallurgical residues, e.g. from ashes, dross, flue dust, mud, skim, slag, sludge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment, which is characterized by comprising the following components: cavitation tube, support frame, supporting leg, driving rod and controller; the support leg is hinged on the support frame and overturns towards the lower part of the support frame, the driving rod is hinged on the support frame and overturns towards the upper part of the support frame, the end head of the driving rod is hinged on the periphery of the cavitation tube, and the controller is fixedly arranged on the upper end face of the support frame; according to the cavitation treatment device provided by the invention, the cavitation effect of slurry in the cavitation tube is promoted to be generated by adopting a mode of combining ultrasonic wave, stirring and vibration, so that silver attached to the outer surface of elemental sulfur is shed, and the next flotation desilverization treatment is facilitated; wherein, the simple stirring, ultrasonic treatment and vibration can generate cavitation, but the cavitation effect is poor; the device combines stirring, ultrasonic and vibration organically through the controller, and improves cavitation effect of monomer effect.
Description
Technical Field
The invention belongs to the technical field of comprehensive recovery of nonferrous metal smelting, and particularly relates to a device for desulfurizing and recovering silver by treating zinc sulfide leaching residues.
Background
In zinc resources in China, lead-zinc ore deposit materials have complex components and multiple co-associated components. Sphalerite is a major source of zinc resources, with nearly 70% of the worldwide zinc production coming from sphalerite. When zinc is recovered by conventional pyrometallurgical techniques, environmentally detrimental SO is produced 2 And (3) gas. The oxygen pressure acid leaching technology is a new technology for effectively treating sphalerite to recover zinc in hydrometallurgy technology, and elemental sulfur is produced in the production process without harmful gas SO 2 The output eliminates the pollution of sulfur dioxide to the environment, has high zinc leaching rate and good economic and environmental benefits.
The zinc sulfide is leached to obtain slag, and the slag contains abundant Pb, ag and other elements besides elemental sulfur, so that the slag is a typical precious secondary resource, and the comprehensive and efficient recovery of the slag has important economic value for the zinc metallurgy industry. Wherein Ag element is recovered by a traditional stable pyrometallurgical system, and the pollution is serious due to excessive sulfur content, SO as to reduce SO 2 The gas must be generated to desulphurize the leaching residue prior to the lead pyrometallurgy process.
Sulfide and elemental sulfur are excellent in floatability, so flotation is a relatively economical and efficient method for treating zinc leaching residues at present. However, in the flotation practice, the separation effect of the flotation treatment zinc leaching slag is not ideal. The method is mainly characterized in that in the oxidation leaching process of zinc sulfide ores, the reaction follows the surface chemical reaction control dynamics law of an unreacted shrinkage core model, and along with the progress of the reaction, elemental sulfur is wrapped on silver-containing minerals, so that the separation of the elemental sulfur, lead and silver is not ideal, and the desulfurization effect is not good. Therefore, there is a need for a device that can separate silver-containing minerals coated on elemental sulfur prior to flotation to enhance the recovery of silver from flotation.
At present, a cavitation treatment mode before flotation exists, but most of the cavitation devices involved in the cavitation treatment mode are simple stirring modes, cavitation effect components cause incomplete desilverization and low silver recovery rate.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment, which adopts any combination of resonance, ultrasound and positive and negative spiral to carry out cavitation treatment on zinc sulfide leaching residue slurry in the device so as to lead silver to fall off on the surface of elemental sulfur.
In order to achieve the technical effect of solving the technical problems, the invention is realized by the following technical scheme: the device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment is characterized by comprising: cavitation tube, support frame, supporting leg, driving rod and controller;
the support leg is hinged on the support frame and overturns towards the lower part of the support frame, the driving rod is hinged on the support frame and overturns towards the upper part of the support frame, the end head of the driving rod is hinged on the periphery of the cavitation tube, and the controller is fixedly arranged on the upper end face of the support frame;
the device comprises a cavitation tube, a driving rod, a stirrer, a cover body, a controller, a driving motor, a stirrer and an ultrasonic probe, wherein the bottom of the cavitation tube is fixedly provided with the base, the top of the cavitation tube is fixedly provided with the cover body, the cavity of the cavitation tube is provided with the ultrasonic probe, the periphery of the cavity of the cavitation tube is fixedly provided with the vibration module, the driving motor is fixedly connected with the stirrer through a rotating shaft, the stirrer is arranged in the cavity of the cavitation tube, the top of the stirrer is rotationally connected to the cover body, the stirrer comprises a helical blade which rotates along the driving motor, and a rotating tooth which is connected to the rotating shaft of the driving motor through a commutator and rotates reversely along the driving motor;
further, a driving gear is arranged at a commutator of a rotating shaft of the driving motor, the driving gear is fixedly connected with upper and lower sections of rotating shafts, the commutator comprises an outer sleeve which wraps the driving gear and is rotatably connected with the rotating shafts at two ends of the driving gear, a latch is arranged on the inner side wall of the outer sleeve, and a transition gear which is rotatably connected with the inner cavity of the outer sleeve is arranged between the side walls of the outer sleeve and the side walls of the driving gear;
further, the reverser is arranged at the upper end of the helical blade, the rotary teeth fixedly connected with the periphery of the reverser are in a roundabout wavy shape, and rectangular cross bars are fixedly arranged between roundabout grooves;
further, three groups of stirring integers consisting of the spiral blades, the reverser and the rotating teeth on the periphery of the reverser are arranged on the rotating shaft, and the ultrasonic probe is arranged between the stirring integers and is fixedly connected to the inner side wall of the cavitation tube through a fixing frame;
further, the support frame is annular, the periphery of the support frame is provided with a connecting lifting lug, the support legs and the driving rods are connected to the support frame in a cross hinged mode, the driving rods are electric push rods, the other ends of the driving rods are connected to the outer side walls of the cavitation tubes in a universal mode, and the support legs comprise shock absorbers and support blocks hinged to the tail ends of the shock absorbers;
further, vibration modules on the outer side wall of the cavitation tube are circumferentially distributed among the driving rods;
further, a pumping pipe is fixedly arranged on the outer side surface of the bottom of the cavitation tube, and a feeding hole is formed in the cover body of the cavitation tube;
furthermore, a vibration module is fixedly arranged on the periphery of the driving motor inside the base;
further, the controller is provided with a display screen and control keys;
the beneficial effects of the invention are as follows:
1. according to the cavitation treatment device provided by the invention, the cavitation effect of slurry in the cavitation tube is promoted to be generated by adopting a mode of combining ultrasonic wave, stirring and vibration, so that silver attached to the outer surface of elemental sulfur is shed, and the next flotation desilverization treatment is facilitated; wherein, the simple stirring, ultrasonic treatment and vibration can generate cavitation, but the cavitation effect is poor; the device organically combines stirring, ultrasonic and vibration through the controller, so that the cavitation effect of the monomer effect is improved; the vibration module is arranged on the periphery of the outer side wall of the cavitation tube, and can uniformly transmit vibration sense to slurry in the cavitation tube, so that the part of the outer side wall of the cavitation tube with smaller stirring force is subjected to vibration to generate cavitation effect; meanwhile, the ultrasonic probe is used for supplementing the part with insufficient stirring force in the vertical space, so that cavitation effect is ensured; compared with a simple cavitation device, the device can ensure that the slurry in the whole cavitation tube fully generates cavitation under the cooperation of the three cavitation modes, so that the shedding efficiency of silver on the outer surface of elemental sulfur is improved, and the flotation recovery rate of silver is further improved;
2. the cavitation treatment device is provided with the rotating teeth which rotate reversely with the spiral on the internal stirrer, namely, the rotating teeth reversely rotate to break up vortex when the spiral blades drive the slurry to generate vortex so as to improve the cavitation effect of rotating and stirring;
3. the cavitation treatment device is matched with the vibration module, and a hinged shock absorber is selected as a supporting leg to absorb shock sense of the whole device in the vibration treatment process so as to ensure the overall stability of the whole device; and secondly, the driving rods around the device suspend and support the cavitation tube, and the cavitation tube can be greatly swung through the action of the driving rods so as to uniformly mix and vibrate the slurry in the interior, thereby improving the cavitation effect of the slurry.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment;
FIG. 2 is a schematic diagram of a stirrer and its attached structure of a device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment;
FIG. 3 is a schematic diagram showing a partial structure of a stirrer of a device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment;
FIG. 4 is a schematic view of the internal structure of a base of a device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment;
in the drawings, the list of components represented by the various numbers is as follows:
the device comprises a cavitation tube 1, a vibration module 12, a spiral blade 13, a rotary tooth 14, a commutator 15, a rotary shaft 16, a driving gear 161, a transition gear 17, a support frame 2, a connection lifting lug 21, a support leg 3, a shock absorber 31, a support block 32, a driving rod 4, a cover 5, a feeding hole 51, a material drawing tube 6, a base 7, a driving motor 71 and a controller 8.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 4, a device for desulfurizing and recovering silver by treating zinc sulfide leaching residues is characterized by comprising: cavitation tube 1, support frame 2, supporting legs 3, driving rod 4 and controller 8;
the support legs 3 are hinged to the support frame 2 and turn over towards the lower part of the support frame 2, the driving rods 4 are hinged to the support frame 2 and turn over towards the upper part of the support frame 2, the end heads of the driving rods 4 are hinged to the periphery of the cavitation tube 1, and the controller 8 is fixedly arranged on the upper end face of the support;
the bottom of the cavitation tube 1 is fixedly provided with a base 7, the top of the cavitation tube 1 is fixedly provided with a cover body 5, the inner cavity of the cavitation tube 1 is provided with an ultrasonic probe, the periphery of the cavitation tube 1 is fixedly provided with a vibration module 12, a driving motor 71 is arranged in the base 7, the driving motor 71 is fixedly connected with a stirrer through a rotating shaft 16, the stirrer is arranged in the inner cavity of the cavitation tube 1 and the top of the cavitation tube is rotationally connected to the cover body 5, the stirrer comprises a helical blade 13 which rotates along the driving motor 71, and a rotating tooth 14 which is connected to the rotating shaft 16 of the driving motor 71 through a reverser 15 and rotates reversely along the driving motor 71, and the controller controls a driving rod 4, the stirrer, the ultrasonic probe and the vibration module 12 to act, namely, the mutual cooperative interaction of the stirrer, vibration and ultrasonic treatment of the whole device and slurry in the cavitation tube 1 causes cavitation effect, so that silver attached to the outer surface of elemental sulfur is separated;
the commutator 15 of the rotating shaft 16 of the driving motor 71 is provided with a driving gear 161, the driving gear 161 is fixedly connected with the upper and lower sections of the rotating shaft 16, the commutator comprises an outer sleeve which wraps the driving gear 161 and is rotationally connected to the rotating shafts 16 at two ends of the driving gear 161, the inner side wall of the outer sleeve is provided with a latch, the side wall of the outer sleeve is provided with a transition gear 17 which is rotationally connected to the inner cavity of the outer sleeve, when the driving gear 161 rotates, namely the driving motor 71 drives the rotating shaft 16 to rotate, the driving gear 161 simultaneously drives the transition gear 17 to rotate, and the transition gear 17 rotationally drives the outer sleeve to rotate; at the moment, through the rotation transformation of the transition gear 17, the rotation direction of the outer sleeve is opposite to the rotation direction of the rotating shaft 16, so that vortex formed by the spiral blades 13 is disturbed reversely, cavitation effect is formed in the process of enhancing stirring with the contrast of flow direction, and meanwhile, mutual reflux is beneficial to silver friction and shedding of the outer surface of elemental sulfur, and the whole cavitation silver removal effect is improved;
the outer side surface of the bottom of the cavitation tube 1 is also fixedly provided with a pumping tube 6, and a cover body 5 of the cavitation tube 1 is provided with a feeding hole 51;
the periphery of the driving motor 71 in the base 7 is fixedly provided with a vibration module 12, and the vibration module is controllable at the bottom of the device to provide vibration sense for the whole device and promote bottom fluid cavitation;
the controller 8 is provided with a display screen and control keys, the display screen displays relevant action information of the device, and the control keys are used for inputting thought instructions.
Example 2
This embodiment is different from embodiment 1 described above in that:
the reverser 15 is arranged at the upper end of the helical blade 13, the rotary teeth 14 fixedly connected with the periphery of the reverser 15 are in a roundabout wavy shape, rectangular cross bars are fixedly arranged between roundabout grooves, and the roundabout wavy shape increases the rotating directional sectional area of the rotary teeth 14 contacted with liquid in the rotating process of the fluid, and comprises the cross bars, so that cavitation effect of surrounding liquid is conveniently stimulated under the self rotating state; meanwhile, the cross bars play a role in scattering water flow, and promote cavitation in the fluid when the water flow is scattered in a rotating mode, so that silver leakage is promoted.
Example 3
This embodiment differs from the above-described embodiments 1 and 2 in that:
the stirring whole formed by the spiral blades 13, the reverser 15 and the rotating teeth 14 at the periphery of the reverser 15 is provided with three groups on a rotating shaft 16, and the ultrasonic probe is arranged between the stirring whole and is fixedly connected to the inner side wall of the cavitation tube 1 through a fixing frame; the ultrasonic probes are arranged between the two stirring units, so that the problem of insufficient cavitation of the weak part of the rotary stirring is solved, and the cavitation of the fluid in the whole cavitation tube 1 is promoted.
Example 4
Referring to fig. 1 to 4, a device for recovering silver by desulfurization of zinc sulfide leaching residue is characterized by comprising: cavitation tube 1, support frame 2, supporting legs 3, driving rod 4 and controller 8;
the support legs 3 are hinged to the support frame 2 and turn over towards the lower part of the support frame 2, the driving rods 4 are hinged to the support frame 2 and turn over towards the upper part of the support frame 2, the end heads of the driving rods 4 are hinged to the periphery of the cavitation tube 1, and the controller 8 is fixedly arranged on the upper end face of the support;
the bottom of the cavitation tube 1 is fixedly provided with a base 7, the top of the cavitation tube 1 is fixedly provided with a cover body 5, the inner cavity of the cavitation tube 1 is provided with an ultrasonic probe, the periphery of the cavitation tube 1 is fixedly provided with a vibration module 12, a driving motor 71 is arranged in the base 7, the driving motor 71 is fixedly connected with a stirrer through a rotating shaft 16, the stirrer is arranged in the inner cavity of the cavitation tube 1, the top of the stirrer is rotationally connected to the cover body 5, the stirrer comprises a helical blade 13 which rotates along the driving motor 71, and a rotating tooth 14 which is connected to the rotating shaft 16 of the driving motor 71 through a reverser 15 and rotates reversely along the driving motor 71, and the controller controls the driving rod 4, the stirrer and the ultrasonic probe to act;
the support frame 2 is annular, the periphery of the support frame is provided with a connecting lifting lug 21, the support leg 3 and the driving rod 4 are connected to the support frame 2 in a cross hinge manner, the driving rod 4 is an electric push rod, the other end of the driving rod is connected to the outer side wall of the cavitation tube 1 in a universal manner, and the support leg 3 comprises a shock absorber 31 and a support block 32 hinged to the tail end of the shock absorber 31; the driving rod 4 can provide a large-amplitude swinging foundation for the device, and is used for uniformly mixing or greatly agitating the slurry in the device; the supporting leg 3 adopts the type of the shock absorber 31, can filter out the vibration transmitted to the ground in the operation process of the device, and is used for stabilizing the state of the whole device and avoiding the rollover, tilting or shifting of the whole device;
vibration modules 12 on the outer side wall of the cavitation tube 1 are circumferentially distributed between the driving rods 4 to stably disperse vibration sense of the cavitation tube, the vibration sense is uniformly transmitted to the whole body of the cavitation tube 1, and the overall fluid cavitation effect is improved.
In summary, the cavitation treatment device provided by the invention adopts a mode of combining ultrasonic, stirring and vibration to promote the slurry to generate a differential cavitation effect in the cavitation tube, so that silver attached to the outer surface of elemental sulfur falls off, and the next flotation desilverization treatment is facilitated; wherein, the simple stirring, ultrasonic treatment and vibration can generate cavitation, but the cavitation effect is poor; the device organically combines stirring, ultrasonic and vibration through the controller, so that the cavitation effect of the monomer effect is improved; the vibration module is arranged on the periphery of the outer side wall of the cavitation tube, and can uniformly transmit vibration sense to slurry in the cavitation tube, so that the part of the outer side wall of the cavitation tube with smaller stirring force is subjected to vibration to generate cavitation effect; meanwhile, the ultrasonic probe is used for supplementing the part with insufficient stirring force in the vertical space, so that cavitation effect is ensured; compared with a simple cavitation device, the device can ensure that the slurry in the whole cavitation tube fully generates cavitation under the cooperation of the three cavitation modes, so that the shedding efficiency of silver on the outer surface of elemental sulfur is improved, and the flotation recovery rate of silver is further improved;
2. the cavitation treatment device is provided with the rotating teeth which rotate reversely with the spiral on the internal stirrer, namely, the rotating teeth reversely rotate to break up vortex when the spiral blades drive the slurry to generate vortex so as to improve the cavitation effect of rotating and stirring;
3. the cavitation treatment device is matched with the vibration module, and a hinged shock absorber is selected as a supporting leg to absorb shock sense of the whole device in the vibration treatment process so as to ensure the overall stability of the whole device; and secondly, the driving rods around the device suspend and support the cavitation tube, and the cavitation tube can be greatly swung through the action of the driving rods so as to uniformly mix and vibrate the slurry in the interior, thereby improving the cavitation effect of the slurry.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The device for desulfurizing and recovering silver by zinc sulfide leaching residue treatment is characterized by comprising: cavitation tube, support frame, supporting leg, driving rod and controller;
the support leg is hinged on the support frame and overturns towards the lower part of the support frame, the driving rod is hinged on the support frame and overturns towards the upper part of the support frame, the end head of the driving rod is hinged on the periphery of the cavitation tube, and the controller is fixedly arranged on the upper end face of the support frame;
the cavitation tube bottom is fixedly provided with a base, the top is fixedly provided with a cover body, the cavity of the cavitation tube is provided with an ultrasonic probe, the periphery is fixedly provided with a vibration module, a driving motor is arranged in the base and is fixedly connected with a stirrer through a rotating shaft, the stirrer is arranged in the cavity of the cavitation tube and is rotationally connected to the cover body at the top end, the stirrer comprises a helical blade rotating along the driving motor, and rotating teeth which are connected to the rotating shaft of the driving motor along the reverse rotation of the driving motor through a reverser, and the controller controls the driving rod, the stirrer and the ultrasonic probe to act.
2. The device for desulfurization and recovery of silver by zinc sulfide slag leaching treatment according to claim 1, wherein a driving gear is arranged at a commutator of a rotating shaft of the driving motor and is fixedly connected with upper and lower sections of rotating shafts, the commutator comprises an outer sleeve which wraps the driving gear and is rotatably connected with the rotating shafts at two ends of the driving gear, clamping teeth are arranged on the inner side wall of the outer sleeve, and a transition gear which is rotatably connected with the inner cavity of the outer sleeve is arranged between the side walls of the driving gear and the side walls of the outer sleeve.
3. The device for desulfurization and recovery of silver by zinc sulfide slag leaching treatment according to claim 2, wherein the reverser is arranged at the upper end of the spiral blade, rotary teeth fixedly connected with the periphery of the reverser are in a roundabout wavy shape, and rectangular cross bars are fixedly arranged between roundabout grooves.
4. The device for desulfurization and recovery of silver by zinc sulfide leaching residue treatment according to claim 3, wherein three groups of stirring bodies are arranged on the rotating shaft, wherein the stirring bodies are composed of the spiral blades, the reverser and the rotating teeth on the periphery of the reverser, and the ultrasonic probe is arranged between the stirring bodies and is fixedly connected to the inner side wall of the cavitation tube through a fixing frame.
5. The device for desulfurization and recovery of silver by zinc sulfide slag leaching treatment according to claim 1, wherein the support frame is annular, the periphery of the support frame is provided with a connecting lifting lug, the support legs and the driving rods are connected to the support frame in a cross hinged mode, the driving rods are electric push rods, the other ends of the driving rods are connected to the outer side walls of the cavitation tubes in a universal mode, and the support legs comprise shock absorbers and support blocks hinged to the tail ends of the shock absorbers.
6. The device for recovering silver by desulfurization in the zinc sulfide leaching residue treatment according to claim 5, wherein the vibration modules on the outer side wall of the cavitation tube are circumferentially distributed between the driving rods.
7. The device for desulfurization and recovery of silver by zinc sulfide leaching residue treatment according to claim 1, wherein a pumping pipe is fixedly arranged on the outer side surface of the bottom of the cavitation tube, and a feeding hole is formed in the cover body of the cavitation tube.
8. The device for desulfurization and recovery of silver by zinc sulfide leaching residue treatment according to claim 1, wherein a vibration module is fixedly arranged on the periphery of a driving motor inside the base.
9. The device for recovering silver by desulfurization in zinc sulfide leaching residue treatment according to claim 1, wherein the controller is provided with a display screen and control keys.
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