CN113981233A - System and method for recovering metal by using non-metal mother liquor - Google Patents
System and method for recovering metal by using non-metal mother liquor Download PDFInfo
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- CN113981233A CN113981233A CN202111349158.6A CN202111349158A CN113981233A CN 113981233 A CN113981233 A CN 113981233A CN 202111349158 A CN202111349158 A CN 202111349158A CN 113981233 A CN113981233 A CN 113981233A
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- 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
- C22B7/001—Dry processes
- C22B7/004—Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
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- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
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- 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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Abstract
The invention discloses a system and a method for recovering metal by utilizing non-metal mother liquor, comprising a molten pool generating system and a cooling and separating system; the molten pool generating system is provided with a metal material inlet, a non-metal base material inlet and a molten liquid outlet, and the molten liquid outlet is connected with the inlet of the cooling and separating system.
Description
Technical Field
The invention belongs to the field of solid waste and hazardous waste disposal, and relates to a system and a method for recovering metal by using non-metal mother liquor.
Background
The solid waste and the hazardous waste usually contain metal particles and dust, and even precious metals. The nonmetal and the metal can be separated through the procedures of crushing, separating and the like, but the separated metal contains a plurality of metal components, and the separation or purification of each component is very difficult.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a system and a method for recovering metal by using non-metal mother liquor, which can separately recover and utilize metal components in materials.
In order to achieve the above purpose, the system for recovering metal by using non-metal mother liquor comprises a molten pool generating system and a cooling and separating system;
the molten pool generating system is provided with a metal material inlet, a non-metal base material inlet and a molten liquid outlet, and the molten liquid outlet is connected with the inlet of the cooling and separating system.
The nonmetal outlet of the cooling and separating system is communicated with a crushing system.
The outlet of the crushing system is communicated with a storage system.
The metal outlet of the cooling and separating system is communicated with a metal recovery system.
The method for recovering metal by using the non-metal mother liquor comprises the following steps:
selecting a non-metal base material as a base material of a molten pool generation system, wherein the non-metal mother liquid and a metal melt in the molten pool are not mutually soluble, adding the non-metal base material into the molten pool generation system through a non-metal base material inlet, then heating the molten pool generation system to enable the non-metal base material to form a non-metal mother liquid, and sequentially recovering a metal I, a metal II and a metal III according to the sequence of a melting point of a metal component in a material from low to high;
wherein, the process for the metal I is as follows: and continuously raising the temperature of the non-metal mother liquor to ensure that the temperature of the non-metal mother liquor is greater than the melting point of the metal I and less than the melting point of the metal II, discharging the metal I into a cooling and separating system through a melt outlet after the metal I is completely changed into a melt through the non-metal mother liquor, wherein the non-soluble non-metal mother liquor and the metal melt are cooled in the cooling and separating system and separated by utilizing the characteristic of non-melting, wherein the non-metal solid is discharged from the non-metal outlet of the cooling and separating system, and the metal solid is discharged from the metal outlet of the cooling and separating system.
The temperature of the cooling and separating system is lower than-300 ℃ of the melting point of the non-metal base material.
And heating the molten pool generation system to 50 ℃ above the melting point temperature of the non-metal base metal to enable the non-metal base metal to form non-metal mother liquid.
And the non-metal solid is discharged from a non-metal outlet of the cooling and separating system and finally enters a molten pool generation system for recycling.
The invention has the following beneficial effects:
the system and the method for recovering metal by utilizing the non-metal mother liquor select a non-metal mother liquor as the mother liquor of the molten pool generating system according to the physical characteristics of metal components in materials during specific operation, ensure that the non-metal mother liquor and the molten metal are not mutually dissolved, then heating a molten pool generating system to enable the non-metal base metal to form non-metal mother liquid, sequentially recovering metals of all components according to the sequence of melting points of the metal components in the materials from low to high, the method has the advantages of simple system, wide material application range, no consumption of other substances, low energy consumption and good environmental protection, the method has special significance for recovering metals with different components, and provides important technical support for national green development and comprehensive utilization of social resources.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a metal material inlet, 2 is a non-metal base material inlet, 3 is a molten pool generating system, 4 is a molten liquid outlet, 5 is a cooling and separating system, 6 is a crushing system, 7 is a metal recovering system, and 8 is a storage system.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. 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.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the system for recovering metal by using non-metal mother liquor according to the present invention includes a molten pool generating system 3, a molten liquid outlet 4, a cooling and separating system 5, a pulverizing system 6, a metal recovering system 7 and a storage system 8;
the molten pool generating system 3 is provided with a metal material inlet 1, a non-metal base material inlet 2 and a molten liquid outlet 4, the molten liquid outlet 4 is connected with an inlet of the cooling and separating system 5, a non-metal outlet of the cooling and separating system 5 is connected with an inlet of the crushing system 6, and an outlet of the crushing system 6 is connected with a storage system 8; the metal outlet of the cooling and separation system 5 is connected to a metal recovery system 7.
The method for recovering metal by using the non-metal mother liquor comprises the following steps:
according to the physical characteristics of metal components in materials, selecting a nonmetal as a base material of a molten pool generation system 3, ensuring that the nonmetal mother liquid and molten metal in the molten pool are not mutually soluble, adding the nonmetal base material into the molten pool generation system 3 through a nonmetal base material inlet 2, then heating the molten pool generation system 3 to a temperature 50 ℃ higher than the melting point temperature of the nonmetal base material, so that the nonmetal base material forms the nonmetal mother liquid, and sequentially recovering a metal I, a metal II and a metal III according to the sequence of the melting point of the metal components in the materials from low to high, wherein the process for the metal I comprises the following steps: continuously raising the temperature of the non-metal mother liquor to enable the temperature of the non-metal mother liquor to be larger than the melting point of the metal I and smaller than the melting point of the metal II, discharging the metal I into a cooling and separating system 5 through a melt outlet 4 after the metal I is completely changed into melt through the non-metal mother liquor, wherein the temperature of the cooling and separating system 5 is smaller than the melting point of the non-metal base metal to 300 ℃, and the non-soluble non-metal mother liquor and the metal melt are cooled in the cooling and separating system 5 and separated by utilizing the characteristic of non-melting, wherein non-metal solids are discharged into a crushing system 6 from a non-metal outlet of the cooling and separating system 5, are crushed in the crushing system 6, are discharged into a storage system 8 for storage, and are added into the molten pool generating system 3 again for recycling; wherein, the metal solid is discharged from the metal outlet of the cooling and separating system 5 to the metal recovery system 7 for recycling, and the recovery of the metal I is completed.
After the recovery of the metal I is completed, sequentially recovering the metal II and the metal III according to the recovery step of the metal I until all metals in the material are recovered.
When the melting points of several metals are relatively close and can not be recovered independently, the metals can be recovered simultaneously, namely the metals form alloy melt in the molten pool generating system 3, then the non-metal mother liquor and the alloy melt are cooled and separated in the cooling and separating system 5, and the subsequent steps are consistent with the recovery steps of the metal I.
Claims (8)
1. A system for recovering metal by using non-metal mother liquor is characterized by comprising a molten pool generating system (3) and a cooling and separating system (5);
the molten pool generating system (3) is provided with a metal material inlet (1), a non-metal base material inlet (2) and a molten liquid outlet (4), and the molten liquid outlet (4) is connected with an inlet of the cooling and separating system (5).
2. The system for recovering metals from non-metallic mother liquor according to claim 1, wherein the non-metallic outlet of the cooling and separating system (5) is connected to the pulverizing system (6).
3. A system for recovering metals from non-metallic mother liquor according to claim 1, characterized in that the outlet of the comminution system (6) is connected to a storage system (8).
4. A system for recovering metals from non-metallic mother liquor according to claim 1, wherein the metal outlet of the cooling and separating system (5) is connected to a metal recovery system (7).
5. A method for recovering metals using non-metal mother liquor, which is based on the system for recovering metals using non-metal mother liquor of claim 1, comprising the steps of:
selecting a non-metal base material as a base material of a molten pool generation system (3), wherein the non-metal mother liquid and a metal molten liquid in the molten pool are not mutually soluble, adding the non-metal base material into the molten pool generation system (3) through a non-metal base material inlet (2), then heating the molten pool generation system (3) to enable the non-metal base material to form a non-metal mother liquid, and sequentially recovering a metal I, a metal II and a metal III according to the sequence of a melting point of a metal component in a material from low to high;
wherein, the process for the metal I is as follows: and continuously raising the temperature of the non-metal mother liquor to ensure that the temperature of the non-metal mother liquor is greater than the melting point of the metal I and less than the melting point of the metal II, discharging the metal I into a cooling and separating system (5) through a melt outlet (4) after the metal I is completely changed into a melt through the non-metal mother liquor, cooling the non-metal mother liquor and the metal melt in the cooling and separating system (5) and separating by utilizing the characteristic of non-phase melting, wherein the non-metal solid is discharged from a non-metal outlet of the cooling and separating system (5), and the metal solid is discharged from a metal outlet of the cooling and separating system (5).
6. The method for recovering metals from non-metallic mother liquor according to claim 5, wherein the temperature of the cooling and separating system (5) is less than-300 ℃ lower than the melting point of the non-metallic base metal.
7. The method for recovering metals from a non-metallic mother liquor according to claim 5, wherein the temperature of the molten pool generating system (3) is raised to 50 ℃ or higher than the melting point of the non-metallic base metal to form the non-metallic mother liquor from the non-metallic base metal.
8. A method for metal recovery from non-metallic mother liquor according to claim 5, characterised in that non-metallic solids are discharged from the non-metallic outlet of the cooling and separation system (5) and finally re-introduced into the bath generation system (3) for reuse.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111349158.6A CN113981233A (en) | 2021-11-15 | 2021-11-15 | System and method for recovering metal by using non-metal mother liquor |
| PCT/CN2022/075467 WO2023082478A1 (en) | 2021-11-15 | 2022-02-08 | System and method for recovering metals by using non-metallic mother liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111349158.6A CN113981233A (en) | 2021-11-15 | 2021-11-15 | System and method for recovering metal by using non-metal mother liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113981233A true CN113981233A (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111349158.6A Pending CN113981233A (en) | 2021-11-15 | 2021-11-15 | System and method for recovering metal by using non-metal mother liquor |
Country Status (2)
| Country | Link |
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| CN (1) | CN113981233A (en) |
| WO (1) | WO2023082478A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082478A1 (en) * | 2021-11-15 | 2023-05-19 | 西安西热锅炉环保工程有限公司 | System and method for recovering metals by using non-metallic mother liquor |
Citations (7)
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| CN1111679A (en) * | 1993-10-01 | 1995-11-15 | 伯恩德·高丝 | Method and apparatus for pre-processing mixture |
| CN1163315A (en) * | 1996-01-29 | 1997-10-29 | 伯恩德·高丝 | Method and device for extracting liquid light metal from dispersed mixture |
| JP2009299098A (en) * | 2008-06-10 | 2009-12-24 | Osaka Titanium Technologies Co Ltd | Metal production method |
| CN104328282A (en) * | 2014-11-17 | 2015-02-04 | 江西理工大学 | Method for recovering metal from aluminum-based or zinc-based waste powder |
| CN105567971A (en) * | 2014-10-06 | 2016-05-11 | 上海奇谋能源技术开发有限公司 | Process for separating copper and welded tin mixture through physical method |
| CN106800368A (en) * | 2016-12-09 | 2017-06-06 | 山东佳元重工机械有限公司 | High-temperature electric melts the environment protection method of nonmetallic materials |
| CN112795783A (en) * | 2020-12-27 | 2021-05-14 | 鲁伟芳 | Non ferrous metal waste material recycle equipment |
Family Cites Families (6)
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| US2967769A (en) * | 1958-04-29 | 1961-01-10 | American Smelting Refining | Metal sweating process |
| US4288246A (en) * | 1979-12-26 | 1981-09-08 | Outboard Marine Corporation | Separation of aluminum from articles composed of aluminum bonded to ferrous metal |
| CN1028773C (en) * | 1991-11-09 | 1995-06-07 | 洛阳铜加工厂 | Recovery for lead-tin on face of copper and copper alloy products |
| FR2713243B1 (en) * | 1993-11-30 | 1996-01-12 | Pechiney Electrometallurgie | Process for recovering magnesium from waste magnesium alloys. |
| CN104017992B (en) * | 2014-05-22 | 2016-03-02 | 邱政 | A kind of zinc base alloy nickel plated copper melts the Slag recovering novel process after zinc |
| CN113981233A (en) * | 2021-11-15 | 2022-01-28 | 西安西热锅炉环保工程有限公司 | System and method for recovering metal by using non-metal mother liquor |
-
2021
- 2021-11-15 CN CN202111349158.6A patent/CN113981233A/en active Pending
-
2022
- 2022-02-08 WO PCT/CN2022/075467 patent/WO2023082478A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111679A (en) * | 1993-10-01 | 1995-11-15 | 伯恩德·高丝 | Method and apparatus for pre-processing mixture |
| CN1163315A (en) * | 1996-01-29 | 1997-10-29 | 伯恩德·高丝 | Method and device for extracting liquid light metal from dispersed mixture |
| JP2009299098A (en) * | 2008-06-10 | 2009-12-24 | Osaka Titanium Technologies Co Ltd | Metal production method |
| CN105567971A (en) * | 2014-10-06 | 2016-05-11 | 上海奇谋能源技术开发有限公司 | Process for separating copper and welded tin mixture through physical method |
| CN104328282A (en) * | 2014-11-17 | 2015-02-04 | 江西理工大学 | Method for recovering metal from aluminum-based or zinc-based waste powder |
| CN106800368A (en) * | 2016-12-09 | 2017-06-06 | 山东佳元重工机械有限公司 | High-temperature electric melts the environment protection method of nonmetallic materials |
| CN112795783A (en) * | 2020-12-27 | 2021-05-14 | 鲁伟芳 | Non ferrous metal waste material recycle equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082478A1 (en) * | 2021-11-15 | 2023-05-19 | 西安西热锅炉环保工程有限公司 | System and method for recovering metals by using non-metallic mother liquor |
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| Publication number | Publication date |
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| WO2023082478A1 (en) | 2023-05-19 |
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Application publication date: 20220128 |
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