CN216472236U - Device for producing bromine by using sodium bromide - Google Patents
Device for producing bromine by using sodium bromide Download PDFInfo
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- CN216472236U CN216472236U CN202123071885.9U CN202123071885U CN216472236U CN 216472236 U CN216472236 U CN 216472236U CN 202123071885 U CN202123071885 U CN 202123071885U CN 216472236 U CN216472236 U CN 216472236U
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- bromine
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- water separation
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 162
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 160
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 title claims abstract description 94
- JGJLWPGRMCADHB-UHFFFAOYSA-N hypobromite Inorganic materials Br[O-] JGJLWPGRMCADHB-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000000926 separation method Methods 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000460 chlorine Substances 0.000 claims abstract description 23
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- BSKZDJXVMPWPRA-UHFFFAOYSA-N O.[Br] Chemical compound O.[Br] BSKZDJXVMPWPRA-UHFFFAOYSA-N 0.000 claims description 40
- 238000010025 steaming Methods 0.000 claims description 33
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 13
- 230000020477 pH reduction Effects 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 9
- 238000004821 distillation Methods 0.000 description 7
- XUXNAKZDHHEHPC-UHFFFAOYSA-M sodium bromate Chemical compound [Na+].[O-]Br(=O)=O XUXNAKZDHHEHPC-UHFFFAOYSA-M 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012267 brine Substances 0.000 description 3
- 238000007323 disproportionation reaction Methods 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 239000000126 substance Substances 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
- 230000033228 biological regulation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical class [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- CUILPNURFADTPE-UHFFFAOYSA-N hypobromous acid Chemical compound BrO CUILPNURFADTPE-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910001503 inorganic bromide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
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Abstract
The utility model discloses a device with bromine of sodium bromide production bromine, sodium bromide solution in the salt melting pond gets into the top of evaporating the bromine tower, through spraying through the packing layer with the help of gravity top-down, by the steam heating of evaporating bromine tower bottom from bottom to top, chlorine oxidation, the bromine that the oxidation goes out becomes gaseous state mixed vapor and gets into the bromine condenser by the top of the tower discharge, vapor in the bromine condenser, bromine vapor is become liquid by the condensation, the mixture that forms water and bromine flows into bromine water separator, obtain bromine after the separation, whole process simple process, do not need chlorine secondary oxidation, high safety, direct as the raw materials with the sodium bromide carries out bromine simultaneously, development to making bromine trade has been played and has been opened up the effect.
Description
Technical Field
The utility model relates to a bromine production technical field, concretely relates to device with bromine of sodium bromide production.
Background
Bromine is one of the important chemical raw materials, is the main branch of the marine chemical industry, and a wide variety of inorganic bromides, bromates and bromine-containing organic compounds derived from the bromine have special value in national economy and scientific and technological development.
At present, the bromine is produced by a method of generating brine through chlorine oxidation, blowing bromine out of air, absorbing bromine by sulfur dioxide solution, and extracting bromine through chlorine secondary oxidation distillation, the process is complicated, the safety is poor, and the development of bromine production is severely restricted along with the shortage of underground brine resources and the reduction of bromine content in brine.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the device for producing bromine by using sodium bromide is provided, the sodium bromide is used as a raw material, the process is simple, and the safety is high.
In order to solve the technical problem, the technical scheme of the utility model is that:
a device for producing bromine by using sodium bromide comprises a salt dissolving pool, wherein the salt dissolving pool is communicated to a tail gas absorption tower through a feeding pump, a discharge port at the bottom of the tail gas absorption tower is communicated to the top of a bromine steaming tower through a pipeline, a steam feeding pipeline and a chlorine feeding pipeline are arranged at the lower part of the bromine steaming tower, and a steaming waste liquid pipeline for discharging tower bottom materials is arranged at the bottom of the bromine steaming tower;
the top of the bromine steaming tower is communicated with a bromine condenser through a pipeline, the bromine condenser is communicated with a bromine water separation device through a pipeline, the bromine water separation device is communicated with a bromine storage tank through a pipeline, and the bromine water separation device is communicated with the tail gas absorption tower through a pipeline.
As an improved technical scheme, an acidification tower is arranged between the tail gas absorption tower and the bromine steaming tower, a first U-shaped water seal is arranged on a connecting pipeline between the acidification tower and the bromine steaming tower, and a plurality of spray headers are arranged at one end of the connecting pipeline, which extends into the bromine steaming tower.
As an improved technical scheme, the bromine-water separation device comprises a primary bromine-water separation bottle, a secondary bromine-water separation bottle and a tertiary bromine-water separation bottle which are sequentially communicated through pipelines, wherein the primary bromine-water separation bottle is communicated to the bromine condenser through a pipeline, and the tertiary bromine-water separation bottle is communicated to the bromine storage tank through a pipeline;
and an upper outlet of the primary bromine-water separation bottle is communicated with an air inlet of the tail gas absorption tower through a pipeline.
As an improved technical scheme, the outlets at the upper parts of the primary bromine-water separation bottle, the secondary bromine-water separation bottle and the tertiary bromine-water separation bottle are respectively communicated to a mixing pipeline, and the mixing pipeline is communicated to the bromine steaming tower.
As an improved technical scheme, the primary bromine-water separation bottle and the secondary bromine-water separation bottle are respectively communicated with a reducing agent storage tank through pipelines.
As the preferred technical scheme, a second U-shaped water seal and a third U-shaped water seal are respectively arranged on the waste steaming liquid pipeline and the mixing pipeline.
As the preferred technical scheme, a self-priming tank is arranged between the salt melting tank and the feeding pump.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a device for producing bromine by using sodium bromide, which comprises a salt dissolving pool, wherein the salt dissolving pool is communicated to a tail gas absorption tower through a feed pump, a bottom discharge port of the tail gas absorption tower is communicated to the top of a bromine steaming tower through a pipeline, the lower part of the bromine steaming tower is provided with a steam feed pipeline and a chlorine feed pipeline, and the bottom of the bromine steaming tower is provided with a steaming waste liquid pipeline for discharging tower bottom materials; the top of the bromine steaming tower is communicated with a bromine condenser through a pipeline, the bromine condenser is communicated with a bromine water separation device through a pipeline, the bromine water separation device is communicated with a bromine storage tank through a pipeline, and the bromine water separation device is communicated with the tail gas absorption tower through a pipeline. The sodium bromide solution in the salt dissolving pool enters the top of the bromine steaming tower, is sprayed through the filling layer and passes through the gravity from top to bottom, is heated by steam from bottom to top at the bottom of the bromine steaming tower, is oxidized by chlorine, the oxidized bromine is changed into gaseous mixed vapor which is discharged from the top of the tower and enters the bromine condenser, the vapor and the bromine vapor in the bromine condenser are condensed into liquid, the mixture of the formed water and the bromine flows into the bromine-water separation device, the bromine is obtained after separation, the whole process is simple in process, the chlorine secondary oxidation is not needed, the safety is high, the bromine is directly extracted by taking the sodium bromide as a raw material, and the development of the bromine production industry is expanded.
The utility model discloses a tail gas absorption tower with evaporate and be equipped with the acidizing tower between the bromine tower, the acidizing tower with it just stretches into at connecting tube to evaporate to be equipped with first U type water seal on the connecting tube of bromine tower evaporate bromine tower one end and be equipped with a plurality of shower heads. Aiming at the condition that sodium bromate generally exists in the existing solid sodium bromide, hydrochloric acid in the acidification tower can react with the sodium bromate to generate bromine, so that the purity of a bromine product is improved, raw materials are fully utilized, the acidification tower provides an acidification environment, the disproportionation reaction of the bromine in water is inhibited, and the yield of the bromine is improved. And a second U-shaped water seal and a third U-shaped water seal are respectively arranged on the waste steam pipeline and the mixing pipeline. First U type water seal, second U type water seal and third U type water seal all can form the water seal at the transfer in-process of material, play the guard action to bromine, have improved the security, have guaranteed the quality of product simultaneously.
The bromine water separation device comprises a primary bromine water separation bottle, a secondary bromine water separation bottle and a tertiary bromine water separation bottle which are sequentially communicated through pipelines, the primary bromine water separation bottle is communicated to the bromine condenser through a pipeline, and the tertiary bromine water separation bottle is communicated to the bromine storage tank through a pipeline; and an upper outlet of the primary bromine-water separation bottle is communicated with an air inlet of the tail gas absorption tower through a pipeline. Through three-stage separation, the purity of the obtained bromine is higher.
The outlets at the upper parts of the primary bromine-water separation bottle, the secondary bromine-water separation bottle and the tertiary bromine-water separation bottle are respectively communicated to a mixing pipeline, and the mixing pipeline is communicated to the bromine evaporation tower. Bromine water on the upper parts of the first-stage bromine water separation bottle, the second-stage bromine water separation bottle and the third-stage bromine water separation bottle can enter the bromine distillation tower again for distillation, so that the yield of bromine is improved.
The primary bromine-water separation bottle and the secondary bromine-water separation bottle are respectively communicated with a reducing agent storage tank through pipelines. The reducing agent storage tank is filled with hydrobromic acid solution or sodium bromide solution, elemental chlorine in bromine water entering the first-stage bromine-water separation bottle and the second-stage bromine-water separation bottle can be removed, and meanwhile, the hydrobromic acid or the sodium bromide reacts with the elemental chlorine to generate bromine, so that the yield of the bromine is increased, and the purity of the bromine is improved.
And a self-sucking tank is arranged between the salt dissolving pool and the feeding pump. Through sucking inside the sodium bromide solution in will melting the salt pond from the priming tank, conveniently carry out regulation and control and the detection of index to its interior sodium bromide solution, guarantee the quality of final bromine product.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
wherein: 1. a salt dissolving pool; 2. a solid sodium bromide feeding pipeline; 3. a process water feeding pipeline; 4. a feed pump; 5. a tail gas absorption tower; 6. evaporating a bromine tower; 7. a steam feed line; 8. a chlorine gas feed line; 9. a waste liquor steaming pipeline; 10. a bromine condenser; 11. a bromine-water separation device; 1101. a primary bromine-water separation bottle; 1102. a secondary bromine-water separation bottle; 1003. a third-stage bromine-water separation bottle; 12. a bromine storage tank; 13. an acidification tower; 14. a first U-shaped water seal; 15. a mixing duct; 16. a reductant storage tank; 17. a second U-shaped water seal; 18. a third U-shaped water seal; 19. a self-priming tank; 20. hydrochloric acid feed line.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1, a device for producing bromine by using sodium bromide comprises a salt dissolving tank 1, wherein the salt dissolving tank 1 is provided with a solid sodium bromide feeding pipeline 2 and a process water feeding pipeline 3 for preparing a sodium bromide solution with proper concentration. The salt dissolving pool 1 is communicated to a tail gas absorption tower 5 through a feed pump 4, a discharge port at the bottom of the tail gas absorption tower 5 is communicated to the top of a bromine evaporation tower 6 through a pipeline, a steam feed pipeline 7 and a chlorine feed pipeline 8 are arranged at the lower part of the bromine evaporation tower 6, and a waste evaporation liquid pipeline 9 for discharging tower bottom materials is arranged at the bottom of the bromine evaporation tower 6; the top of the bromine distilling tower 6 is communicated with a bromine condenser 10 through a pipeline, the bromine condenser 10 is communicated with a bromine water separating device 11 through a pipeline, the bromine water separating device 11 is communicated with a bromine storage tank 12 through a pipeline, and the bromine water separating device 11 is communicated with the tail gas absorption tower 5 through a pipeline. The sodium bromide solution in the salt dissolving pool 1 enters the top of the bromine steaming tower 6, is sprayed through a packing layer and is from top to bottom by virtue of gravity, the sodium bromide solution is heated by steam from bottom to top at the bottom of the bromine steaming tower 6 and is oxidized by chlorine, the oxidized bromine is changed into gaseous mixed steam which is discharged from the top of the tower and enters the bromine condenser 10, the steam and the bromine steam in the bromine condenser 10 are condensed into liquid, a mixture of water and bromine is formed to flow into the bromine water separation device 11, the bromine is obtained after separation, the whole process is simple in process, the secondary oxidation of chlorine is not needed, the safety is high, the sodium bromide is directly used as a raw material to extract bromine, and the development of the bromine making industry is expanded.
The tail gas absorption tower 5 with evaporate and be equipped with acidizing tower 13 between the bromine tower 6, acidizing tower 13 is equipped with hydrochloric acid charge-in pipeline 20, acidizing tower 13 with evaporate and be equipped with first U type water seal 14 on the connecting tube of bromine tower 6 and stretch into at the connecting tube evaporate bromine tower 6 one end and be equipped with a plurality of shower heads. Aiming at the condition that sodium bromate generally exists in the existing solid sodium bromide, hydrochloric acid in the acidification tower 13 can react with the sodium bromate to generate bromine, so that the purity of a bromine product is improved, raw materials are fully utilized, the acidification tower 13 provides an acidification environment, the disproportionation reaction of the bromine in water is inhibited, and the yield of the bromine is improved. And a second U-shaped water seal 17 and a third U-shaped water seal 18 are respectively arranged on the waste evaporation liquid pipeline 9 and the mixing pipeline 15. The first U-shaped water seal 14, the second U-shaped water seal 17 and the third U-shaped water seal 18 can form water seals in the material transfer process, so that bromine is protected, the safety is improved, and the product quality is guaranteed.
The bromine water separation device 11 comprises a primary bromine water separation bottle 1101, a secondary bromine water separation bottle 1102 and a tertiary bromine water separation bottle 1003 which are sequentially communicated through pipelines, wherein the primary bromine water separation bottle 1101 is communicated to the bromine condenser 10 through a pipeline, and the tertiary bromine water separation bottle 1003 is communicated to the bromine storage tank 12 through a pipeline; the upper outlet of the primary bromine-water separation bottle 1101 is communicated with the air inlet of the tail gas absorption tower 5 through a pipeline. Through three-stage separation, the purity of the obtained bromine is higher.
The outlets at the upper parts of the primary bromine-water separation bottle 1101, the secondary bromine-water separation bottle 1102 and the tertiary bromine-water separation bottle 1003 are respectively communicated to a mixing pipeline 15, and the mixing pipeline 15 is communicated to the bromine distilling tower 6. Bromine water on the upper parts of the primary bromine water separation bottle 1101, the secondary bromine water separation bottle 1102 and the tertiary bromine water separation bottle 1003 can enter the bromine distillation tower 6 again for distillation, so that the yield of bromine is improved.
The primary bromine-water separation bottle 1101 and the secondary bromine-water separation bottle 1102 are respectively communicated with a reducing agent storage tank 16 through pipelines. The reducing agent storage tank 16 is filled with a hydrobromic acid solution or a sodium bromide solution, which can remove elemental chlorine in the bromine water entering the primary bromine-water separation bottle 1101 and the secondary bromine-water separation bottle 1102, and meanwhile, the hydrobromic acid or the sodium bromide reacts with the elemental chlorine to generate bromine, so that the yield of the bromine is increased, and the purity of the bromine is improved.
A self-priming tank 19 is arranged between the salt dissolving pool 1 and the feeding pump 4. Inside the sodium bromide solution of dissolving in the salt pond 1 is inhaled through self priming tank 19, conveniently carries out regulation and control and the detection of index to its interior sodium bromide solution, guarantees the quality of final bromine product.
The utility model discloses a theory of operation:
1. flow of sodium bromide:
solid sodium bromide is put into a salt dissolving pool 1 and dissolved by process water to prepare sodium bromide solution with certain concentration, the sodium bromide solution enters a tail gas absorption tower 5 at certain flow under the action of a feed pump 4, and in the tail gas absorption tower 5, the sodium bromide solution washes and absorbs excessive chlorine from a bromine steaming tower 6 to fully utilize the chlorinePurpose of gas (reaction formula 2NaBr + Cl)2—2NaCl+Br2) The sodium bromide solution after washing and absorbing chlorine flows into the acidification tower 13 by means of potential difference, a certain amount of hydrochloric acid is added into the acidification tower 13, and the hydrochloric acid reacts with sodium bromate in the sodium bromide to generate bromine (the reaction formula is: 6HCl +5NaBr + NaBrO3—6NaCl+3Br2+3H2O), and the addition of hydrochloric acid has another function of providing an acidic environment and inhibiting the disproportionation of bromine in water (the reaction formula is: br2+H2O-HBr + HBrO) is beneficial to distilling bromine out, acidified sodium bromide solution enters the top of the bromine steaming tower 6 by means of potential difference, is sprayed through the packing layer from top to bottom by virtue of gravity, is heated by steam from bottom to top at the bottom of the bromine steaming tower 6 and is oxidized by chlorine, the oxidized bromine is changed into gaseous mixed water vapor and is discharged from the tower top to enter a bromine condenser 10, and distillation waste liquid from which bromine is distilled out is discharged from a waste liquid steaming pipeline 9 at the bottom of the distillation tower.
2. Scheme of bromine:
the water vapor which is discharged from the top of the bromine steaming tower 6 and carries bromine vapor enters a bromine condenser 10, is condensed into liquid in the bromine condenser 10 to form a mixture of water and bromine, flows into a primary bromine-water separation bottle 1101, and a certain amount of hydrobromic acid or sodium bromide solution (the aim is to refine bromine and wash away simple substance chlorine contained in crude bromine, and the reaction formula is 2HBr + Cl2—2HCl+Br2) The separation of bromine from bromine water and hydrobromic acid is realized in a primary bromine water separation bottle 1101, the bromine enters a secondary bromine water separation bottle 1102, meanwhile, a certain amount of hydrobromic acid or sodium bromide solution is added into the secondary bromine water separation bottle 1102, the bromine is separated from bromine water in the secondary bromine water separation bottle 1102, the bromine enters a tertiary bromine water separation bottle 1003 to refine the bromine and then flows into a bromine storage tank, the bromine water and the hydrobromic acid separated from the primary bromine water separation bottle 1101, the bromine water and the hydrobromic acid separated from the secondary bromine water separation bottle 1102 and the bromine water separated from the tertiary bromine water separation bottle 1003 are mixed and then enter the upper part of a bromine steaming tower 6 through water seal; the non-condensable gas (containing a large amount of chlorine) discharged from the bromine condenser 10 enters a tail gas washing tower, is washed by a sodium bromide solution and is then emptied.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (7)
1. The device for producing bromine by using sodium bromide is characterized in that: the device comprises a salt dissolving pool, wherein the salt dissolving pool is communicated to a tail gas absorption tower through a feeding pump, a discharge port at the bottom of the tail gas absorption tower is communicated to the top of a bromine steaming tower through a pipeline, a steam feeding pipeline and a chlorine feeding pipeline are arranged at the lower part of the bromine steaming tower, and a distilled waste liquid pipeline for discharging tower bottom materials is arranged at the bottom of the bromine steaming tower;
the top of the bromine steaming tower is communicated with a bromine condenser through a pipeline, the bromine condenser is communicated with a bromine water separation device through a pipeline, the bromine water separation device is communicated with a bromine storage tank through a pipeline, and the bromine water separation device is communicated with the tail gas absorption tower through a pipeline.
2. The apparatus for producing bromine from sodium bromide according to claim 1, wherein: an acidification tower is arranged between the tail gas absorption tower and the bromine steaming tower, a first U-shaped water seal is arranged on a connecting pipeline of the acidification tower and the bromine steaming tower, and a plurality of spray headers are arranged at one end of the bromine steaming tower, wherein the connecting pipeline stretches into the first U-shaped water seal.
3. The apparatus for producing bromine from sodium bromide according to claim 1, wherein: the bromine water separation device comprises a primary bromine water separation bottle, a secondary bromine water separation bottle and a tertiary bromine water separation bottle which are sequentially communicated through pipelines, the primary bromine water separation bottle is communicated to the bromine condenser through a pipeline, and the tertiary bromine water separation bottle is communicated to the bromine storage tank through a pipeline;
and an upper outlet of the primary bromine-water separation bottle is communicated with an air inlet of the tail gas absorption tower through a pipeline.
4. An apparatus for producing bromine from sodium bromide as claimed in claim 3 wherein: the outlets at the upper parts of the primary bromine-water separation bottle, the secondary bromine-water separation bottle and the tertiary bromine-water separation bottle are respectively communicated to a mixing pipeline, and the mixing pipeline is communicated to the bromine evaporation tower.
5. An apparatus for producing bromine from sodium bromide as claimed in claim 3 wherein: the primary bromine-water separation bottle and the secondary bromine-water separation bottle are respectively communicated with a reducing agent storage tank through pipelines.
6. An apparatus for producing bromine from sodium bromide as claimed in claim 4 wherein: and a second U-shaped water seal and a third U-shaped water seal are respectively arranged on the waste steam pipeline and the mixing pipeline.
7. The apparatus for producing bromine from sodium bromide according to claim 1, wherein: and a self-sucking tank is arranged between the salt dissolving pool and the feeding pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202123071885.9U CN216472236U (en) | 2021-12-08 | 2021-12-08 | Device for producing bromine by using sodium bromide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123071885.9U CN216472236U (en) | 2021-12-08 | 2021-12-08 | Device for producing bromine by using sodium bromide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988368A (en) * | 2022-06-16 | 2022-09-02 | 江苏亚邦染料股份有限公司 | Disperse red 60 bromine recovery method |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988368A (en) * | 2022-06-16 | 2022-09-02 | 江苏亚邦染料股份有限公司 | Disperse red 60 bromine recovery method |
| CN114988368B (en) * | 2022-06-16 | 2024-01-26 | 江苏亚邦染料股份有限公司 | Disperse red 60 bromine recovery method |
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Inventor after: Yu Zhaoling Inventor after: Cai Lixin Inventor after: Cui Zhuande Inventor after: Xu Changshuai Inventor after: Zhu Linsheng Inventor after: Xin Peng Inventor after: Zhang Xiaolong Inventor after: Liu Jundong Inventor before: Yu Zhaoling Inventor before: Cai Lixin Inventor before: Cui Zhuande Inventor before: Xu Changshuai Inventor before: Zhu Linsheng Inventor before: Xin Peng Inventor before: Zhang Xiaolong Inventor before: Liu Jundong |
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