CN115341100A - Method and device for dehydrating zinc smelting waste residues with assistance of ultrasonic waves - Google Patents
Method and device for dehydrating zinc smelting waste residues with assistance of ultrasonic waves Download PDFInfo
- Publication number
- CN115341100A CN115341100A CN202211137034.6A CN202211137034A CN115341100A CN 115341100 A CN115341100 A CN 115341100A CN 202211137034 A CN202211137034 A CN 202211137034A CN 115341100 A CN115341100 A CN 115341100A
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- CN
- China
- Prior art keywords
- zinc smelting
- smelting waste
- ultrasonic
- waste residue
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002699 waste material Substances 0.000 title claims abstract description 69
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 63
- 239000011701 zinc Substances 0.000 title claims abstract description 63
- 238000003723 Smelting Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 230000018044 dehydration Effects 0.000 claims abstract 3
- 238000006297 dehydration reaction Methods 0.000 claims abstract 3
- 230000010355 oscillation Effects 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 150000003751 zinc Chemical class 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an ultrasonic-assisted zinc smelting waste residue dehydration method, which belongs to the technical field of metal smelting, and adopts ultrasonic-activated zinc smelting waste residue to enable water in the waste residue to be more easily separated, then a filter press is used for carrying out filter pressing on the zinc smelting waste residue, the zinc smelting waste residue after filter pressing is pressed into blocks, and finally the block-shaped zinc smelting waste residue is conveyed to a rotary kiln for further dehydration and drying. The invention can remove water in the zinc smelting waste slag more easily through the ultrasonic short-time action, and the waste slag pressed into blocks is easy to transport while saving energy.
Description
Technical Field
The invention belongs to the technical field of metal smelting, and particularly relates to a method and a device for dehydrating zinc smelting waste residues with the assistance of ultrasonic waves.
Background
According to different production processes, the zinc slag can be divided into two types, namely pyrogenic distillation slag and wet leaching slag. The waste residue is generated in the zinc hydrometallurgy process, the components are complex, but the zinc content is high, and the recovery value is extremely high. The surface and pores of the zinc smelting slag often have residual moisture, and the residual moisture needs to be dried or baked before entering the dry process. Therefore, after the wet processing procedure is finished, some equipment is needed to dry the zinc smelting waste slag. The slag is treated by rotary kiln volatilization method. The rotary kiln volatilization method is to directly filter press the zinc smelting waste slag and then put the zinc smelting waste slag into a rotary kiln for drying.
However, such a method has the following problems:
1. the filter pressing power or the powerful drying system is needed to achieve the aim, more energy is consumed, and the recovery cost is higher.
2. Untreated waste residues are not easy to collect, and easily fall off in the transfer process to pollute the environment.
In order to solve the problems, the invention provides a method and a device for dehydrating zinc smelting waste slag by ultrasonic assistance.
Disclosure of Invention
In order to solve the technical problems, the invention designs a method and a device for dehydrating zinc smelting waste residues with the assistance of ultrasonic waves, wherein the water on the surfaces and in pores of zinc smelting waste residues is vibrated by ultrasonic waves to be separated from the surfaces of the zinc smelting waste residues, then the zinc smelting waste residues are subjected to filter pressing by using a filter press to remove the water separated from the zinc smelting waste residues by ultrasonic vibration, the zinc smelting waste residues are pressed into blocks, and finally the block zinc smelting waste residues are put into a rotary kiln to be dried; the energy is saved, and the massive waste residues pressed are easy to transport.
In order to achieve the technical effects, the invention is realized by the following technical scheme: a method for dehydrating zinc smelting waste residue with the assistance of ultrasonic waves is characterized by comprising the following steps: oscillating the water on the surface and in the holes of the zinc smelting waste slag particles by using ultrasonic waves to separate the water from the surface; performing filter pressing on the zinc smelting waste residues by using a filter press, so that liquid is separated out by filter pressing to obtain blocky waste materials; the ultrasonic oscillation device is placed in the center of the storage tank, so that the zinc smelting waste slag can be fully acted, and the ultrasonic emission direction of the ultrasonic oscillation device is perpendicular to the walking direction of the zinc smelting waste slag flowing into the pipeline.
Preferably, the distance between the ultrasonic oscillation device and the bottommost part of the zinc smelting waste residue storage tank is set to be 2-50 mm.
Preferably, the operating pressure of the filter press is generally between 0.3 and 0.6 MPa.
The utility model provides a device that waste residue was dehydrated is smelted to supplementary zinc of ultrasonic wave which characterized in that: storage tank upper surface is provided with the pan feeding mouth, and storage tank side surface lower part is provided with the discharge gate, installs ultrasonic oscillation device in the storage tank, ultrasonic oscillation device install at the positive center of storage tank, ultrasonic oscillation device's supersound transmission direction is perpendicular mutually with the walking direction that zinc smelting waste residue flowed into the pipeline.
The beneficial effects of the invention are:
1. oscillating the water on the surface and in the pores of the zinc smelting waste slag particles by using ultrasonic waves to separate the water from the zinc smelting waste slag particles, and then performing filter pressing on the zinc smelting waste slag by using a filter press to remove the water separated from the zinc smelting waste slag by the ultrasonic waves;
2. meanwhile, pressing the zinc smelting waste residues into blocks, and finally putting the block zinc smelting waste residues into a rotary kiln for drying; the energy is saved, and the massive waste residues pressed are easy to transport.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a block diagram of the apparatus of the present invention;
a feeding port 1, a material storage tank 2, a discharge port 3 and an ultrasonic oscillation device 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in figure 1, the ultrasonic-assisted zinc smelting waste residue dewatering method is characterized by comprising the following steps:
the pretreatment process is a process of filtering zinc smelting waste residues to remove supernatant liquor;
the zinc smelting waste slag particles are oscillated by ultrasonic waves, so that the water on the surfaces and in the pores of the zinc smelting waste slag particles is driven out under the action of the ultrasonic waves;
press-filtering by using a press filter, and dividing water in the zinc smelting waste slag which is removed by the ultrasonic waves into blocks, so that the zinc smelting waste slag is dried more easily;
and in the post-process treatment flow, most of water in the zinc smelting waste residue is removed after the steps, and the zinc smelting waste residue can be completely dried only by relatively short time and low energy consumption after the filter-pressed massive waste material is put into the rotary kiln.
Example 2
As shown in figure 2, the ultrasonic-assisted zinc smelting waste residue dewatering device is characterized by comprising the following steps:
when the zinc smelting waste slag is put into the storage tank 2 from the feeding port 1, the arrangement mode of the ultrasonic oscillation devices 4 is linear arrangement, the ultrasonic emission direction is perpendicular to the walking direction of the zinc smelting waste slag discharge port 3, when the zinc smelting waste slag reaches a certain volume of the storage tank 2, the zinc smelting waste slag is subjected to ultrasonic oscillation, and the water on the surface and in the pores of the zinc smelting waste slag can be driven out under the ultrasonic oscillation.
The function of filter pressing is to squeeze away the moisture which is driven out by the ultrasonic wave, and the zinc smelting waste residue is pressed into the filter chamber by the feeding pump under the function of the filter press, so that filter residue is formed on the filter cloth until the filter chamber is full of the zinc smelting waste residue. The filtrate passes through the filter cloth and flows to the corner channel of the plate frame along the groove of the filter plate for concentrated discharge. The operating pressure is generally from 0.3 to 0.6 MPa.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A method for dehydrating zinc smelting waste residue by ultrasonic assistance is characterized by comprising the following steps: oscillating the water on the surface and in the holes of the zinc smelting waste slag particles by using ultrasonic waves to separate the water from the surface; performing filter pressing on the zinc smelting waste residues by using a filter press, so that liquid is separated out by filter pressing to obtain blocky waste materials; the ultrasonic oscillation device is placed in the center of the storage tank, so that the zinc smelting waste slag can be fully acted, and the ultrasonic emission direction of the ultrasonic oscillation device is perpendicular to the walking direction of the zinc smelting waste slag flowing into the pipeline.
2. The ultrasonic-assisted zinc smelting waste residue dewatering method according to claim 1, characterized by comprising the following steps: the distance between the ultrasonic oscillation device and the bottommost part of the zinc smelting waste residue storage tank is set to be 2-50 mm.
3. The method for dehydrating the zinc smelting waste residue by the aid of the ultrasonic waves according to claim 1, characterized by comprising the following steps of: the operating pressure of the filter press is generally from 0.3 to 0.6 MPa.
4. The utility model provides a device of supplementary zinc smelting waste residue dehydration of ultrasonic wave which characterized in that: storage tank upper surface is provided with the pan feeding mouth, and storage tank side surface lower part is provided with the discharge gate, installs ultrasonic oscillation device in the storage tank, ultrasonic oscillation device install at the positive center of storage tank, ultrasonic oscillation device's supersound transmission direction is perpendicular mutually with the walking direction that zinc smelting waste residue flowed into the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211137034.6A CN115341100A (en) | 2022-09-19 | 2022-09-19 | Method and device for dehydrating zinc smelting waste residues with assistance of ultrasonic waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211137034.6A CN115341100A (en) | 2022-09-19 | 2022-09-19 | Method and device for dehydrating zinc smelting waste residues with assistance of ultrasonic waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115341100A true CN115341100A (en) | 2022-11-15 |
Family
ID=83955689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211137034.6A Pending CN115341100A (en) | 2022-09-19 | 2022-09-19 | Method and device for dehydrating zinc smelting waste residues with assistance of ultrasonic waves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115341100A (en) |
-
2022
- 2022-09-19 CN CN202211137034.6A patent/CN115341100A/en active Pending
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