CN220609470U - Preparation device for extracting bromine by utilizing sulfur dioxide - Google Patents
Preparation device for extracting bromine by utilizing sulfur dioxide Download PDFInfo
- Publication number
- CN220609470U CN220609470U CN202321424970.5U CN202321424970U CN220609470U CN 220609470 U CN220609470 U CN 220609470U CN 202321424970 U CN202321424970 U CN 202321424970U CN 220609470 U CN220609470 U CN 220609470U
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- China
- Prior art keywords
- tower
- output
- sulfur dioxide
- bromine
- brine
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- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 44
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 43
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 35
- 239000002253 acid Substances 0.000 claims abstract description 33
- 239000012267 brine Substances 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 239000012452 mother liquor Substances 0.000 claims abstract description 18
- 238000004821 distillation Methods 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 5
- 239000003513 alkali Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The utility model discloses a preparation device for extracting bromine by utilizing sulfur dioxide, and belongs to the technical field of bromine production. Including pipeline, the brine pump that is equipped with brine and connect the tower of blowing out at the brine pump output, be provided with the spent acid storage tank between brine pump and the tower of blowing out, the output of blowing out the tower is connected with the absorption tower, and the output of absorption tower is connected with mother liquor pond and waste tank, and the output of mother liquor pond is connected with the distillation column, and the output of distillation column is connected with the sour pond, and the output and the spent acid storage tank of sour pond are connected. The preparation device for extracting bromine by utilizing sulfur dioxide with the structure is adopted, and the waste acid storage tank and the acid tank are connected with each other, so that the recycling of resources is realized, and the environment-friendly effect is realized; the filter device can filter out impurities in brine, so that the production efficiency of the device is improved, and the filter device is of a detachable structure, is convenient to use, is convenient to clean and replace regularly, reduces the use cost and improves the economic benefit.
Description
Technical Field
The utility model relates to the technical field of bromine production, in particular to a preparation device for extracting bromine by utilizing sulfur dioxide.
Background
Bromine is an important material in chemical industry, is mainly used for preparing bromide, and is widely applied to the fields of efficient flame retardants, refrigerants, petroleum completion liquids, medicines, fuel intermediates, chemical reagents and the like. In the current industrial bromine production, there are two main methods for extracting bromine, namely a steam distillation method and an air blowing method, and the air blowing method is the most main method for preparing bromine in China at present. In the process of producing bromine by an air blowing method, two absorption and conversion modes exist, namely, acid absorption by sulfur dioxide gas and alkali absorption by alkali absorption, and the domestic bromine factories adopt the acid absorption mode due to high cost and low conversion rate of the alkali absorption mode.
In the prior art, in the patent document with the publication number of CN201822100247.7, a device for extracting bromine from bromine-containing wastewater is provided, and the device comprises a bromine extraction tower and a water washing rectifying tower, is simple and convenient, does not need special extraction equipment, only needs two sets of common rectifying towers, one set of absorption tower and one set of stirring kettle, is easy to draw materials and assemble, and has stronger practicability. But the current device can produce a large amount of waste acid in the bromine extraction process and can not cyclic utilization, causes the wasting of resources, and the impurity that contains in the brine can lead to the brine to block up in pipeline and blowout tower, influences bromine's production efficiency.
Disclosure of Invention
The utility model aims to provide a bromine preparation device for extracting bromine by utilizing sulfur dioxide, which solves the problems of resource waste and low production efficiency caused by a large amount of waste acid generated in the production process of bromine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an utilize sulfur dioxide to draw preparation facilities of bromine, includes pipeline, the brine pump that is equipped with the brine and connect the tower of blowing out at the brine pump output, is provided with the spent acid storage tank between brine pump and the tower of blowing out, and the output of blowing out the tower is connected with the absorption tower, and the output of absorption tower is connected with mother liquor pond and waste tank, and the output of mother liquor pond is connected with the distillation column, and the output of distillation column is connected with the sour pond, and the output and the spent acid storage tank in sour pond are connected.
Preferably, a chlorine steel bottle and a filtering device are further connected between the brine pump and the blowout tower, and the waste acid storage tank, the chlorine steel bottle and the filtering device are sequentially connected through pipelines between the brine pump and the blowout tower.
Preferably, a clamping groove is formed in a pipeline between the brine pump and the blowout tower, and the filtering device is movably connected to the clamping groove.
Preferably, the blowing tower is movably connected with a circulating fan.
Preferably, an electric pump is connected to the mother liquor tank.
Therefore, the preparation device for extracting bromine by utilizing sulfur dioxide with the structure has the beneficial effects that:
1. the waste acid storage tank and the acid tank of the device are connected through the pipeline, and waste acid distilled from the distillation tower in the acid tank can be conveyed to the waste acid storage tank, so that the recycling of resources in the production process is realized, and the environment-friendly effect is achieved.
2. This device can filter the impurity in the brine through setting up filter equipment between brine pump and blowout tower to improve the production efficiency of device, filter equipment is detachable structure simultaneously, can regularly clear up the change, convenient to use, and prolonged the life of device, the cost is reduced has improved economic benefits.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a construction example of a device for extracting bromine by sulfur dioxide according to the present utility model;
in the figure: 1. brine pump; 2. blowing out the tower; 3. an absorption tower; 4. a mother liquor pond; 5. a distillation column; 6. an acid pool; 7. a spent acid storage tank; 8. a chlorine gas cylinder; 9. a filtering device; 10. a circulating fan; 11. waste pool; 12. an electric pump; 13. a pipeline.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
As shown in fig. 1, the utility model provides a preparation device for extracting bromine by utilizing sulfur dioxide, which comprises a pipeline 13, a brine pump 1 filled with brine, wherein the output end of the brine pump 1 is connected with a blowout tower 2, a waste acid storage tank 7, a chlorine gas steel bottle 8 and a filtering device 9 are sequentially arranged on the pipeline 13 between the brine pump 1 and the blowout tower 2, the filtering device 9 is movably connected on the pipeline 13 on the brine pump 1 and the blowout tower 2, a circulating fan 10 is connected on the blowout tower 2, the output end of the blowout tower 2 is connected with an absorption tower 3, the output end of the absorption tower 3 is connected with a mother liquor tank 4 and a waste tank 11, the mother liquor tank 4 is connected with an electric pump 12, the material of the electric pump 12 is corrosion-resistant, the output end of the mother liquor tank 4 is connected with a distillation tower 5, the output end of the distillation tower 5 is connected with an acid tank 6, and the output end of the acid tank 6 is connected with the waste acid storage tank 7.
As shown in fig. 1, the utility model provides a preparation device for extracting bromine by using sulfur dioxide, a brine pump 1 is used for conveying brine to a pipeline 13 through pressure, waste acid is added into the pipeline through a waste acid storage tank 7, chlorine is introduced into the pipeline 13 through a chlorine steel bottle 8 under an acidic environment in the pipeline 13, oxidation reaction is carried out in the pipeline 13, and the brine added with the waste acid and the chlorine is filtered through a filtering device 9, so that impurities are reduced, and the production efficiency of the device is improved; after the filtered brine is conveyed to the blowout tower 2, air is blown into the blowout tower 2 by using a circulating fan 10, so that Br2 is separated from the brine and enters an absorption tower 3.
As shown in figure 1, the utility model provides a preparation device for extracting bromine by utilizing sulfur dioxide, after Br2 enters an absorption tower 3, sulfur dioxide and water are added, bromine-containing air and sulfur dioxide undergo a reduction reaction, meanwhile, water absorbs hydrogen bromide gas to become hydrobromic acid mother liquor and debrominated brine, the absorption tower 3 conveys the debrominated brine into a waste pond 11 for discharge, and the hydrobromic acid mother liquor is conveyed into a mother liquor pond 4 for collection; after a certain amount of hydrobromic acid mother liquor is collected in the mother liquor tank 4, the hydrobromic acid mother liquor enters a distillation stage, and the hydrobromic acid mother liquor tank 4 is pressurized by an electric pump 12 and is conveyed into a distillation tower 5 for distillation.
As shown in figure 1, the utility model provides a preparation device for extracting bromine by utilizing sulfur dioxide, which is characterized in that chlorine is introduced into a distillation tower 5 in a distillation stage, bromine is replaced again, a finished bromine product is prepared by distillation and condensation, waste acid distilled out of the distillation tower 5 is conveyed into an acid tank 6, and the acid tank 6 collects a certain amount of waste acid and then is conveyed into a waste liquid storage tank 7 for recycling.
Therefore, the bromine preparation device using sulfur dioxide to extract bromine can solve the problems of resource waste and low production efficiency caused by a large amount of waste acid generated in the production process of bromine, and the bromine preparation device can not only improve the production efficiency of bromine, but also recycle resources, is environment-friendly and improves economic benefits.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (5)
1. A preparation device for extracting bromine by utilizing sulfur dioxide is characterized in that: including pipeline (13), be equipped with brine pump (1) and connect blow out tower (2) at brine pump (1) output, be provided with waste acid storage tank (7) between brine pump (1) and blow out tower (2), the output of blowing out tower (2) is connected with absorption tower (3), the output of absorption tower (3) is connected with mother liquor pond (4) and waste tank (11), the output of mother liquor pond (4) is connected with distillation column (5), the output of distillation column (5) is connected with sour pond (6), the output and the waste acid storage tank (7) of sour pond (6) are connected.
2. The apparatus for extracting bromine using sulfur dioxide as defined in claim 1 wherein: a chlorine steel bottle (8) and a filtering device (9) are further connected between the brine pump (1) and the blowout tower (2), and the waste acid storage tank (7), the chlorine steel bottle (8) and the filtering device (9) are sequentially connected through a pipeline (13) between the brine pump (1) and the blowout tower (2).
3. The apparatus for extracting bromine using sulfur dioxide as defined in claim 2 wherein: a clamping groove is formed in a pipeline (13) between the brine pump (1) and the blowout tower (2), and the filtering device (9) is movably connected to the clamping groove.
4. A production apparatus for extracting bromine by sulfur dioxide as defined in claim 3 wherein: the blowing tower (2) is movably connected with a circulating fan (10).
5. The apparatus for extracting bromine using sulfur dioxide as defined in claim 4 wherein: an electric pump (12) is connected to the mother liquid pool (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424970.5U CN220609470U (en) | 2023-06-06 | 2023-06-06 | Preparation device for extracting bromine by utilizing sulfur dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424970.5U CN220609470U (en) | 2023-06-06 | 2023-06-06 | Preparation device for extracting bromine by utilizing sulfur dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220609470U true CN220609470U (en) | 2024-03-19 |
Family
ID=90214148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321424970.5U Active CN220609470U (en) | 2023-06-06 | 2023-06-06 | Preparation device for extracting bromine by utilizing sulfur dioxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220609470U (en) |
-
2023
- 2023-06-06 CN CN202321424970.5U patent/CN220609470U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |