CN113203249A - Liquefying and purifying device for chlorine in electrolytic magnesium chloride - Google Patents
Liquefying and purifying device for chlorine in electrolytic magnesium chloride Download PDFInfo
- Publication number
- CN113203249A CN113203249A CN202110523478.2A CN202110523478A CN113203249A CN 113203249 A CN113203249 A CN 113203249A CN 202110523478 A CN202110523478 A CN 202110523478A CN 113203249 A CN113203249 A CN 113203249A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- chlorine
- liquid
- liquefier
- 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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- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 title claims abstract description 32
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000000460 chlorine Substances 0.000 title claims abstract description 23
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 23
- 229910001629 magnesium chloride Inorganic materials 0.000 title claims abstract description 16
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 7
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
A liquefying and purifying device for chlorine in electrolytic magnesium chloride comprises a liquefier, a pipeline A, B, C, D, E, F, G, a gas-liquid separator, a liquid chlorine storage tank, an intermediate tank, a tail gas treatment tank, a chlorine inlet pipe and a valve; a chlorine inlet pipe is arranged at the top of the liquefier; one side of the upper part of the liquefier is connected with a gas-liquid separator through a pipeline A, and the other side of the upper part of the liquefier is connected with a tail gas treatment tank through a pipeline G; one side of the gas-liquid separator is connected with the bottom of the liquefier through a pipeline C; the bottom of the gas-liquid separator is connected with one side of a liquid chlorine storage tank through a pipeline B, and the other side of the liquid chlorine storage tank is connected with the bottom of a tail gas treatment tank through a pipeline F; the bottom of the liquid chlorine storage tank is connected with the top of the intermediate tank through a pipeline D; a pipeline E is arranged at the side part of the liquid chlorine storage tank; valves are provided in the lines A, B, C, D, E, F and G, respectively. The invention realizes the liquefaction, purification and collection of chlorine in the electrolytic magnesium chloride production and avoids causing environmental pollution.
Description
Technical Field
The invention relates to a production device for electrolyzing magnesium chloride, in particular to a liquefying and purifying device for chlorine in electrolytic magnesium chloride.
Background
In the full-flow titanium sponge production industry, magnesium chloride electrolysis is an indispensable process. The electrolytic magnesium chloride is to electrolyze magnesium chloride to mainly generate chlorine and magnesium, the magnesium is refined and then is conveyed to a reduction distillation process to be reduced with titanium tetrachloride to produce titanium sponge, the chlorine is conveyed to a chlorination process to produce crude titanium tetrachloride or is used as a commodity to be sold for external treatment, however, the chlorine concentration produced by electrolysis does not meet the production requirement of the crude titanium tetrachloride, and when the chlorine is sold as an external commodity, liquefaction treatment is required, and partial tail gas which is not collected is generated while the liquefaction treatment is carried out, and the mixture of the chlorine and the air is mainly generated, for example, the tail gas is discharged into the atmosphere, so that the environmental pollution is caused.
Disclosure of Invention
The invention aims to solve the technical problems of the liquefaction and collection of chlorine and the purification of the chlorine in the electrolytic magnesium chloride production process.
In order to solve the technical problems, the invention adopts the following technical scheme:
a liquefaction purification dress device for chlorine in electrolysis magnesium chloride, it is by liquefier 1, pipeline A2, vapour and liquid separator 3, pipeline B4, pipeline C5, liquid chlorine storage tank 6, pipeline D7, intermediate tank 8, pipeline E9, pipeline F10, tail gas treatment tank 11, pipeline G12, chlorine inlet pipe 14 and valve 13 make up;
a chlorine inlet pipe 14 is arranged at the top of the liquefier 1;
one side of the upper part of the liquefier 1 is connected with the gas-liquid separator 3 through a pipeline A2, and the other side is connected with the tail gas treatment tank 11 through a pipeline G12;
the gas-liquid separator 3 is connected with the bottom of the liquefier 1 through a pipeline C5;
the bottom of the gas-liquid separator 3 is connected with one side of a liquid chlorine storage tank 6 through a pipeline B4, and the other side of the liquid chlorine storage tank 6 is connected with the bottom of a tail gas treatment tank 11 through a pipeline F10;
the bottom of the liquid chlorine storage tank 6 is connected with the top of the intermediate tank 8 through a pipeline D7;
a pipeline E9 is arranged at the side part of the liquid chlorine storage tank 6;
The invention has the following advantages and positive effects:
1. the invention realizes the liquefaction, purification and collection of chlorine in the electrolytic magnesium chloride production.
2. The invention realizes the collection of tail gas in the production of electrolytic magnesium chloride and avoids causing environmental pollution.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a liquefier, 2-a pipeline A, 3-a gas-liquid separator, 4-a pipeline B, 5-a pipeline C, 6-a liquid chlorine storage tank, 7-a pipeline D, 8-an intermediate tank, 9-a pipeline E, 10-a pipeline F, 11-a tail gas treatment tank, 12-a pipeline G, 13-a valve and 14-a chlorine inlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the drawings, but it should not be construed that the scope of the subject matter of the present invention is limited to the following embodiments, and various modifications, substitutions and alterations made based on the knowledge and conventional practices of the ordinary skill in the art are included in the scope of the present invention without departing from the technical spirit of the present invention.
As shown in fig. 1, the device for liquefying, purifying and loading chlorine gas in electrolytic magnesium chloride comprises a liquefier 1, a pipeline a2, a gas-liquid separator 3, a pipeline B4, a pipeline C5, a liquid chlorine storage tank 6, a pipeline D7, an intermediate tank 8, a pipeline E9, a pipeline F10, a tail gas treatment tank 11, a pipeline G12, a chlorine gas inlet pipe 14 and a valve 13;
a chlorine inlet pipe 14 is arranged at the top of the liquefier 1;
one side of the upper part of the liquefier 1 is connected with the gas-liquid separator 3 through a pipeline A2, and the other side is connected with the tail gas treatment tank 11 through a pipeline G12;
the gas-liquid separator 3 is connected with the bottom of the liquefier 1 through a pipeline C5;
the bottom of the gas-liquid separator 3 is connected with one side of a liquid chlorine storage tank 6 through a pipeline B4, and the other side of the liquid chlorine storage tank 6 is connected with the bottom of a tail gas treatment tank 11 through a pipeline F10;
the bottom of the liquid chlorine storage tank 6 is connected with the top of the intermediate tank 8 through a pipeline D7;
a pipeline E9 is arranged at the side part of the liquid chlorine storage tank 6;
Chlorine gas and a small amount of air generated by electrolyzing magnesium chloride enter the liquefier from the inlet pipe, the large amount of air and the small amount of chlorine gas enter the tail gas treatment tank, the chlorine gas is cooled to minus 30-40 ℃ and becomes liquid, a small amount of chlorine gas which is not liquefied and a small amount of air enter the gas-liquid separator through the pipeline for primary purification, and purer liquid chlorine enters the liquid chlorine storage tank to realize the liquefaction and purification of the electrolyzed chlorine gas.
Claims (1)
1. A liquefaction purification dress device for chlorine among electrolysis magnesium chloride, its characterized in that: the device consists of a liquefier (1), a pipeline A (2), a gas-liquid separator (3), a pipeline B (4), a pipeline C (5), a liquid chlorine storage tank (6), a pipeline D (7), an intermediate tank (8), a pipeline E (9), a pipeline F (10), a tail gas treatment tank (11), a pipeline G (12), a chlorine inlet pipe (14) and a valve (13);
a chlorine inlet pipe (14) is arranged at the top of the liquefier (1);
one side of the upper part of the liquefier (1) is connected with a gas-liquid separator (3) through a pipeline A (2), and the other side is connected with a tail gas treatment tank (11) through a pipeline G (12);
one side of the gas-liquid separator (3) is connected with the bottom of the liquefier (1) through a pipeline C (5);
the bottom of the gas-liquid separator (3) is connected with one side of a liquid chlorine storage tank (6) through a pipeline B (4), and the other side of the liquid chlorine storage tank (6) is connected with the bottom of a tail gas treatment tank (11) through a pipeline F (10);
the bottom of the liquid chlorine storage tank (6) is connected with the top of the intermediate tank (8) through a pipeline D (7);
a pipeline E (9) is arranged at the side part of the liquid chlorine storage tank (6);
valves (13) are respectively arranged on the pipeline A (2), the pipeline B (4), the pipeline C (5), the pipeline D (7), the pipeline E (9), the pipeline F (10) and the pipeline G (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523478.2A CN113203249A (en) | 2021-05-13 | 2021-05-13 | Liquefying and purifying device for chlorine in electrolytic magnesium chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523478.2A CN113203249A (en) | 2021-05-13 | 2021-05-13 | Liquefying and purifying device for chlorine in electrolytic magnesium chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113203249A true CN113203249A (en) | 2021-08-03 |
Family
ID=77031089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110523478.2A Pending CN113203249A (en) | 2021-05-13 | 2021-05-13 | Liquefying and purifying device for chlorine in electrolytic magnesium chloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113203249A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187443A (en) * | 2007-12-07 | 2008-05-28 | 山东金岭化工股份有限公司 | Chlorine steam liquefying method |
| CN102759252A (en) * | 2012-07-02 | 2012-10-31 | 洛阳双瑞万基钛业有限公司 | Secondary liquefaction process of waste chlorine in chlorine liquefaction and equipment configuration method |
| CN206207008U (en) * | 2016-11-30 | 2017-05-31 | 洛阳万基金属钠有限公司 | A kind of liquid chlorine production system |
| CN207455158U (en) * | 2017-11-03 | 2018-06-05 | 重庆市映天辉氯碱化工有限公司 | Liquid chlorine storage tank and chlorine gas liquefaction system |
| CN109180417A (en) * | 2018-09-29 | 2019-01-11 | 青海盐湖工业股份有限公司 | A kind of method and system using low-purity chlorine production dichloroethanes EDC |
| CN111732079A (en) * | 2020-05-20 | 2020-10-02 | 南京宇赛科技发展有限公司 | Process flow for preparing liquid chlorine at low temperature and low pressure |
| US20210001270A1 (en) * | 2019-07-03 | 2021-01-07 | 8 Rivers Capital, Llc | Alkali-based removal of chemical moieties from gas streams with chemical co-generation |
| CN113184810A (en) * | 2021-05-13 | 2021-07-30 | 遵义钛业股份有限公司 | Device for liquefying, purifying and vaporizing chlorine in electrolytic magnesium chloride |
| US20210292657A1 (en) * | 2018-07-20 | 2021-09-23 | Neste Oyj | Purification of recycled and renewable organic material |
-
2021
- 2021-05-13 CN CN202110523478.2A patent/CN113203249A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187443A (en) * | 2007-12-07 | 2008-05-28 | 山东金岭化工股份有限公司 | Chlorine steam liquefying method |
| CN102759252A (en) * | 2012-07-02 | 2012-10-31 | 洛阳双瑞万基钛业有限公司 | Secondary liquefaction process of waste chlorine in chlorine liquefaction and equipment configuration method |
| CN206207008U (en) * | 2016-11-30 | 2017-05-31 | 洛阳万基金属钠有限公司 | A kind of liquid chlorine production system |
| CN207455158U (en) * | 2017-11-03 | 2018-06-05 | 重庆市映天辉氯碱化工有限公司 | Liquid chlorine storage tank and chlorine gas liquefaction system |
| US20210292657A1 (en) * | 2018-07-20 | 2021-09-23 | Neste Oyj | Purification of recycled and renewable organic material |
| CN109180417A (en) * | 2018-09-29 | 2019-01-11 | 青海盐湖工业股份有限公司 | A kind of method and system using low-purity chlorine production dichloroethanes EDC |
| US20210001270A1 (en) * | 2019-07-03 | 2021-01-07 | 8 Rivers Capital, Llc | Alkali-based removal of chemical moieties from gas streams with chemical co-generation |
| CN111732079A (en) * | 2020-05-20 | 2020-10-02 | 南京宇赛科技发展有限公司 | Process flow for preparing liquid chlorine at low temperature and low pressure |
| CN113184810A (en) * | 2021-05-13 | 2021-07-30 | 遵义钛业股份有限公司 | Device for liquefying, purifying and vaporizing chlorine in electrolytic magnesium chloride |
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Application publication date: 20210803 |
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