CN111286613A - Multistage material reaction distillation separator - Google Patents
Multistage material reaction distillation separator Download PDFInfo
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- CN111286613A CN111286613A CN201811491507.6A CN201811491507A CN111286613A CN 111286613 A CN111286613 A CN 111286613A CN 201811491507 A CN201811491507 A CN 201811491507A CN 111286613 A CN111286613 A CN 111286613A
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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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/16—Dry methods smelting of sulfides or formation of mattes with volatilisation or condensation of the metal being produced
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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
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Abstract
The invention relates to a multistage material reaction distillation separation device which comprises a reaction furnace, a distillation furnace, a material cooling furnace and a reaction storage cooling bin, wherein the reaction furnace is provided with a material inlet and a material outlet, the material outlet is arranged at the lower part of the reaction furnace, the top of the reaction furnace is provided with a gas outlet, the gas outlet is communicated with the reaction storage cooling bin through a third pipeline, the lower part of the distillation furnace is provided with a distillation inlet, the outlet at the bottom of the reaction furnace is connected with the distillation inlet of the distillation furnace through a first pipeline, the top of the distillation furnace is provided with an opening, and the opening is communicated with the inlet of the material. The multi-stage material reaction distillation separation device firstly reacts in the reaction furnace, liquid or gaseous products in reaction products enter the distillation furnace through the pipeline, and the filtering device in the pipeline I and the filtering plate in the distillation furnace can ensure that solid products cannot enter the material cooling furnace, so that the material purification rate is ensured, and the product yield is improved.
Description
Technical Field
The invention belongs to the field of metallurgical equipment, and particularly relates to a multi-stage material reaction distillation separation device which is particularly suitable for distillation separation of a reaction product in which three phases of liquid, gas and solid exist simultaneously or two phases of solid and liquid exist.
Background
The material reaction and distillation are reduction smelting methods for physical and chemical reactions between substances and volatilization and condensation of substances (metals) in a metallurgical device in sequence. The process includes several steps of reduction of metal oxide and volatilization and condensation of the reduced metal. The reduction distillation is a unique metallurgical method, and is based on the premise that the reduced metal can be volatilized in a large amount at high temperature. Solid or liquid metals have a certain vapor pressure at a certain temperature, and the vapor pressure of the metal increases with increasing temperature. The metal vapor is obtained by reducing the metal oxide to a metal state at a high temperature. The metal vapor is volatilized from the metallurgical reactor, separated from high boiling point impurities in the charge such as gangue, and condensed to obtain the metal. The reduced metal from such metallurgical processes is volatilized in a gaseous state, so that there is generally no need to produce molten slag, and the resulting solid residue is discharged from the retort.
However, gases such as carbon monoxide or carbon dioxide are generated in the reduction reaction process, and when the main product is gaseous, the gases are difficult to separate after being mixed with the gases such as carbon monoxide or carbon dioxide, and the gases cannot be prepared by adopting the conventional vacuum distillation equipment. For example, the chinese invention patent CN201711278762.8 is a small-sized reduction distillation apparatus, which is mainly used for laboratory research or preparation of small-lot volatile metals and oxides, but the reaction chamber of the distillation apparatus is communicated with the distillation chamber, and in the reaction process, the product can be separated and purified by controlling the temperature, but in reality, due to too high temperature or uneven heating, the impurities with lower melting point and similar melting point are volatilized to introduce the impurities, and the difficulty of substance purification is increased; meanwhile, when the reaction product comprises a solid phase and a liquid phase or a solid phase, a gas phase and a liquid phase, the device also increases the difficulty of material purification.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects and shortcomings in the background technology and provide a multi-stage material reaction distillation separation device.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a multi-stage material reaction distillation separation device comprises a reaction furnace, a distillation furnace, a material cooling furnace and a reaction storage cooling bin, wherein the reaction furnace is provided with a material inlet and a material outlet, the material outlet is arranged at the lower part of the reaction furnace, the top of the reaction furnace is provided with a gas outlet, and the gas outlet is communicated with the reaction storage cooling bin through a third pipeline; the distillation furnace lower part is equipped with the distillation import, the export of retort bottom is connected with the distillation import of distillation furnace through pipeline one, distillation furnace top opening, the opening communicates with the import of material cooling furnace through pipeline two, wherein:
a first heating component is arranged on the inner wall of the reaction furnace, and a first filtering device is arranged at an outlet at the lower part of the reaction furnace;
the reaction storage bin is provided with a first ventilation hole, and a third filtering device is arranged in the first ventilation hole;
the inner wall of the distillation furnace is provided with a second heating component, a filter layer is arranged in the furnace body between the distillation inlet and the top opening of the distillation furnace, and the filter layer is at least 1 filter partition board transversely arranged in the distillation furnace;
the material cooling furnace is provided with a second ventilation hole, and a second filtering device is arranged in the second ventilation hole.
The multi-stage material reaction distillation separation device is mainly used for the reaction of the main product which is volatile metal or compound or generates a large amount of gas or has liquid product in the reaction process. The gas, solid or liquid is generated in the reaction furnace of the device in the reaction process, the gas enters the reaction storage cooling bin through the gas outlet at the top of the reaction furnace, and the liquid product can enter the distillation furnace through the outlet of the reaction furnace and then is distilled in the distillation furnace for further separation.
Preferably, a stirring device is arranged in the reaction furnace.
Preferably, the filtering partition plate in the filtering layer of the distillation furnace is arc-shaped and protrudes towards the opening direction of the top of the distillation furnace.
Preferably, the pore density of the filtering separator is 10-60 ppi.
Preferably, a material pump is arranged on the first pipeline between the reaction furnace and the distillation furnace.
Preferably, the reaction furnace, the distillation furnace and the material cooling furnace are respectively provided with a temperature thermocouple. . And the temperature of each layer in the reduction distillation furnace is monitored in real time, so that the reduction distillation process is ensured to be carried out smoothly.
Preferably, the multistage material reactive distillation separation device further comprises an induced draft fan, and the induced draft fan is communicated with the material cooling furnace through the vent holes. The draught fan is arranged to facilitate the movement of steam, and the condensation efficiency of the device is improved.
Compared with the prior art, the invention has the beneficial effects that:
(1) the multi-stage material reaction distillation separation device firstly reacts in the reaction furnace, a gaseous product in a reaction product enters the reaction storage cooling bin through a gas outlet at the top of the reaction furnace, a liquid product in the reaction product enters the distillation furnace through a pipeline, and a filtering device in the pipeline I and a filtering plate in the distillation furnace can ensure that a solid product cannot enter the material cooling furnace, so that the material purification rate is ensured, and the product yield is improved; the distillation furnace is connected with the material cooling furnace through a pipeline, so that a product is cooled through the filter layer, and a filter bag is arranged at the outlet of the material cooling furnace to prevent the product from entering the induced draft fan.
(2) The invention adopts multipoint temperature measurement and control, can effectively control the reaction temperature and the sedimentation temperature, and leads the reaction product to generate liquid or solid.
(3) The device has simple structure and easy manufacture, installation and maintenance.
Drawings
FIG. 1 is a structural view of a multi-stage material reactive distillation separation apparatus of the present invention.
Wherein, 1, a reaction furnace; 2-a distillation furnace; 3-material cooling furnace; 4, a draught fan; 5-a material pump; 6, a filtering clapboard; 7, a second pipeline; 8, a material inlet of the reaction furnace; 9-a vent hole; 10-pipeline three; 11-reaction storage cooling bin; 12-Vent one.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Examples
The embodiment provides a multistage material reaction distillation separation device, which comprises a reaction furnace 1, a distillation furnace 2, a material cooling furnace 3 and a reaction storage cooling bin 11, wherein the reaction furnace 1 is provided with a material inlet and a material outlet, the material outlet is arranged at the lower part of the reaction furnace 1, the top of the reaction furnace 1 is provided with a gas outlet, and the gas outlet is communicated with the reaction storage cooling bin 11 through a pipeline III 10; the lower part of the distillation furnace 2 is provided with a distillation inlet, the bottom outlet of the reaction furnace 1 is connected with the distillation inlet of the distillation furnace 2 through a first pipeline, the top of the distillation furnace 2 is provided with an opening, and the opening is communicated with the inlet of the material cooling furnace 3 through a second pipeline 7, wherein:
a first heating component is arranged on the inner wall of the reaction furnace 1, and a first filtering device is arranged at an outlet at the lower part of the reaction furnace 1;
the reaction storage bin 11 is provided with a first ventilation hole 12, and a third filtering device is arranged in the first ventilation hole 12;
a second heating component is arranged on the inner wall of the distillation furnace 2, a filtering layer is arranged in the furnace body between a distillation inlet and a top opening of the distillation furnace 2, and the filtering layer is at least 1 filtering partition board transversely arranged in the distillation furnace 2;
the material cooling furnace 4 is provided with a second ventilation hole 9, and a second filtering device is arranged in the second ventilation hole 9.
A stirring device is arranged in the reaction furnace 1.
The filtering baffle 6 in the filtering layer of the distillation furnace 2 is arc-shaped and protrudes towards the opening direction of the top of the distillation furnace.
The pore density of the filtering baffle 6 is 10-60 ppi.
A material pump 5 is arranged on the first pipeline between the reaction furnace 1 and the distillation furnace 2.
The reaction furnace 1, the distillation furnace 2 and the material cooling furnace 3 are respectively provided with a temperature thermocouple. And the temperature of each layer in each furnace is monitored in real time, so that the reaction distillation separation process is ensured to be carried out smoothly.
The multistage material reaction distillation separation device also comprises an induced draft fan 4, and the induced draft fan 4 is communicated with the material cooling furnace 3 through a second vent hole 9. The draught fan 4 is arranged to facilitate the movement of steam, and the condensation efficiency of the device is improved.
The multi-stage material reaction distillation separation device provided by the embodiment is mainly used for laboratory research or small-scale industrial production. The operation steps are as follows:
s1, putting uniformly mixed materials into a reaction furnace 1;
s2, closing the material inlet 8, the material outlet, the material pump 5 and the top gas outlet, opening a first heating component in the reaction furnace 1, and setting the reaction furnace at a proper temperature for reaction;
s3, after the reaction is finished, opening a gas outlet at the top of the reaction furnace 1, filtering by a filter device in the ventilation hole I12, and discharging or collecting;
s4, after the gas is discharged, closing the top outlet of the reaction furnace 1, closing the top outlet of the distillation furnace 2, opening the second heating component, adjusting the temperature in the distillation furnace 2 to be proper, and then opening the material outlet of the reaction furnace 1 and the material pump 5;
s5, adjusting the temperature of the distillation furnace 2, opening an outlet at the top of the distillation furnace 2, starting a draught fan 4 after the furnace body begins to be heated, and discharging a gaseous product;
s6, adjusting the temperature of the distillation furnace 2, carrying out distillation separation on the liquid product, and collecting the condensed product in the material cooling furnace 3.
The heating of the furnace body is controlled by a heating component (can be automatically controlled), and the temperature of a specific part in each furnace body is measured by a temperature thermocouple.
Claims (7)
1. The multi-stage material reaction distillation separation device is characterized by comprising a reaction furnace, a distillation furnace, a material cooling furnace and a reaction storage cooling bin, wherein the reaction furnace is provided with a material inlet and a material outlet; the distillation furnace lower part is equipped with the distillation import, the export of retort bottom is connected with the distillation import of distillation furnace through pipeline one, distillation furnace top opening, the opening communicates with the import of material cooling furnace through pipeline two, wherein:
a first heating component is arranged on the inner wall of the reaction furnace, and a first filtering device is arranged at an outlet at the lower part of the reaction furnace;
the reaction storage bin is provided with a first ventilation hole, and a third filtering device is arranged in the first ventilation hole;
the inner wall of the distillation furnace is provided with a second heating component, a filter layer is arranged in the furnace body between the distillation inlet and the top opening of the distillation furnace, and the filter layer is at least 1 filter partition board transversely arranged in the distillation furnace;
the material cooling furnace is provided with a second ventilation hole, and a second filtering device is arranged in the second ventilation hole.
2. The multi-stage reactive distillation separation apparatus of claim 1, wherein a stirring device is disposed in the reaction furnace.
3. The multi-stage material reactive distillation separation device of claim 1, wherein the filtering partition plate in the filtering layer of the distillation furnace is arc-shaped and protrudes towards the opening of the top of the distillation furnace.
4. The multi-stage material reactive distillation separation device of claim 3, wherein the filtration partition plate has a pore density of 10 to 60 ppi.
5. The multi-stage material reactive distillation separation device according to claim 1, wherein a material pump is arranged on a first pipeline between the reaction furnace and the distillation furnace.
6. The multi-stage material reactive distillation separation device according to any one of claims 1 to 5, wherein the reaction furnace, the distillation furnace and the material cooling furnace are respectively provided with a temperature thermocouple.
7. The multi-stage material reactive distillation separation device of claim 1, further comprising an induced draft fan, wherein the induced draft fan is communicated with the material cooling furnace through a second vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491507.6A CN111286613A (en) | 2018-12-07 | 2018-12-07 | Multistage material reaction distillation separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491507.6A CN111286613A (en) | 2018-12-07 | 2018-12-07 | Multistage material reaction distillation separator |
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| Publication Number | Publication Date |
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| CN111286613A true CN111286613A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811491507.6A Pending CN111286613A (en) | 2018-12-07 | 2018-12-07 | Multistage material reaction distillation separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058862A (en) * | 2021-11-15 | 2022-02-18 | 西安西热锅炉环保工程有限公司 | Metal gasification purification process and energy recovery system and method |
-
2018
- 2018-12-07 CN CN201811491507.6A patent/CN111286613A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058862A (en) * | 2021-11-15 | 2022-02-18 | 西安西热锅炉环保工程有限公司 | Metal gasification purification process and energy recovery system and method |
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Application publication date: 20200616 |
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