CN219689537U - Bromine enrichment device in seawater and brine air bromine blowing process - Google Patents
Bromine enrichment device in seawater and brine air bromine blowing process Download PDFInfo
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- CN219689537U CN219689537U CN202320811738.0U CN202320811738U CN219689537U CN 219689537 U CN219689537 U CN 219689537U CN 202320811738 U CN202320811738 U CN 202320811738U CN 219689537 U CN219689537 U CN 219689537U
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- bromine
- brine
- seawater
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 139
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 139
- 239000012267 brine Substances 0.000 title claims abstract description 85
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 85
- 239000013535 sea water Substances 0.000 title claims abstract description 82
- 238000007664 blowing Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 title claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 55
- 230000003647 oxidation Effects 0.000 claims abstract description 24
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 24
- 230000020477 pH reduction Effects 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 91
- 239000007788 liquid Substances 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 19
- 230000002745 absorbent Effects 0.000 claims description 16
- 239000002250 absorbent Substances 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 239000000460 chlorine Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000012856 packing Methods 0.000 description 16
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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Abstract
The utility model provides a bromine enrichment device in a bromine blowing process of seawater and brine air, which comprises a shell, wherein a first baffle plate and a second baffle plate are arranged in the shell, a blowing-out area is arranged between the first baffle plate and the shell, an absorption area is arranged between the second baffle plate and the shell, a third baffle plate and a fourth baffle plate are arranged between the first baffle plate and the second baffle plate, an acidification oxidation area is arranged between the third baffle plate and the first baffle plate, the second baffle plate and the area surrounded by the shell, a bromine-containing air channel is arranged between the third baffle plate and the first baffle plate, the second baffle plate and the area surrounded by the fourth baffle plate and the first baffle plate, the second baffle plate and the shell, and a circulating air channel is arranged between the fourth baffle plate and the first baffle plate, the second baffle plate and the area surrounded by the shell. The bromine enrichment device can enrich 600-1000 times of bromine in the process of blowing bromine by seawater and brine air, the bromine extraction rate in raw material brine is 80-87%, and the efficient extraction of bromine is realized.
Description
Technical Field
The utility model belongs to the field of industrial bromine production, and particularly relates to a bromine enrichment device in a seawater and brine air bromine blowing process.
Background
Bromine is one of important chemical raw materials and has wide application in the industries of flame retardants, oilfield chemicals, refrigerants, photosensitive materials, medicines, pesticides and the like. Bromine resources are mainly present in seawater, underground concentrated brine and ancient ocean brine, but the content of the bromine resources in the raw materials is generally about 60mg/l-200mg/l, so in the process of preparing industrial bromine by using seawater and brine, bromine is firstly enriched into a solution with the bromine content of 40-120g/l by an air blowing method, and the enrichment multiple is 500-1000 times of the bromine content in the raw materials. The enrichment process is the most important step in the industrial bromine preparation process, and is the working procedure with the largest investment and energy consumption in the bromine preparation process. After the bromine blowing technology by the self-acid method succeeds in China, the enrichment procedure of the industrial bromine preparation process almost adopts three towers of a blowing tower, an absorption tower and a foam capturing tower for sharing, and the land and the investment are increased due to huge blowing equipment; the long resistance of the air pipeline containing bromine after being blown out is large, so that the energy consumption is increased.
Disclosure of Invention
In view of the above, the utility model aims to overcome the defects in the prior art, and provides a bromine enrichment device in the process of blowing bromine from seawater and brine air, which has the advantages of low construction investment, low operation cost and high enrichment efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the bromine enrichment device comprises a shell, wherein a first partition plate and a second partition plate are arranged in the shell, a blowing-out area is arranged in an area between the first partition plate and the shell, an absorption area is arranged in an area between the second partition plate and the shell, a third partition plate and a fourth partition plate are arranged between the first partition plate and the second partition plate, an acidification oxidation area is arranged in an area surrounded by the third partition plate, the first partition plate, the second partition plate and the shell, a bromine-containing air channel is arranged in an area surrounded by the third partition plate, the first partition plate, the second partition plate and the fourth partition plate, and a circulating air channel is arranged in an area surrounded by the fourth partition plate, the first partition plate, the second partition plate and the shell;
the absorption zone and the blowout zone are respectively provided with a distributor, and the absorption zone, the blowout zone and the acidification oxidation zone are respectively provided with a grid component. The distributor of the absorption area is an absorbent distributor, and the distributor of the blowout area is a seawater brine distributor.
Further, the grid assembly comprises a grid, a supporting plate and filler, wherein the supporting plate is horizontally arranged, the grid is positioned on the supporting plate, and the filler is positioned on the grid.
Further, the bottoms of the first baffle, the second baffle, the third baffle and the fourth baffle are all connected with the bottom of the shell; the tops of the first baffle, the second baffle, the third baffle and the fourth baffle are all connected with the top of the shell.
Further, the first partition board is parallel to the second partition board, the third partition board is parallel to the fourth partition board, the first partition board is perpendicular to the third partition board and the fourth partition board, and the second partition board is perpendicular to the third partition board and the fourth partition board.
Further, a seawater brine buffer tank after bromine extraction is arranged at the bottom of the blowout area, and a concentrated solution storage tank is arranged at the bottom of the absorption area.
Further, the shell is provided with an acid inlet, a chlorine inlet, a seawater brine inlet, an absorbent inlet, a second circulating air outlet, an enriched liquid outlet and a recovery liquid outlet, wherein the acid inlet, the chlorine inlet and the seawater brine inlet are all positioned at the lower part of the acidification oxidation zone, the absorbent inlet is communicated with the distributor of the absorption zone, the second circulating air outlet is communicated with the circulating air channel and positioned at the lower part of the circulating air channel, the enriched liquid outlet is communicated with the enriched liquid storage tank, and the recovery liquid outlet is communicated with the circulating air channel and positioned at the lower part of the circulating air channel; the first partition board is provided with an acidified oxidized brine outlet and a bromine-containing air outlet, the bromine-containing air outlet is positioned at the upper part of the first partition board and is used for communicating the blowout area with a bromine-containing air channel, and the acidified oxidized brine outlet is connected with the seawater brine distributor; the shell is provided with a circulating air inlet and a bromine-extracted seawater brine outlet, the circulating air inlet is communicated with the blowout area, and the bromine-extracted seawater brine outlet is communicated with the bromine-extracted seawater brine buffer tank; the circulating air inlet is positioned at the lower part of the blowout area; the second separator is provided with a bromine-containing air inlet and a first circulating air outlet, the bromine-containing air inlet is positioned at the lower part of the second separator and is communicated with the absorption area, and the first circulating air outlet is positioned at the upper part of the second separator and is communicated with the absorption area.
Further, the number of the grating components of the absorption zone is 2, and the grating components are respectively positioned above and below the distributor of the absorption zone.
The packing in the absorption area is a purifying demisting packing layer and an absorbing packing layer respectively, the purifying demisting packing layer is positioned above the absorbing packing layer, and the packing in the blowing-out area is a blowing-out packing layer. The filler of the acidification oxidation zone is an acidification oxidation filler layer.
The bromine enrichment device is characterized in that a (concentrated) seawater brine inlet is positioned at the lower part of an acidification oxidation zone, brine after being fully acidified and oxidized in the acidification oxidation zone is sent into a seawater brine distributor at the upper part of a blowout zone, and the seawater brine after being acidified and oxidized is uniformly distributed on a blowout filler through the distributor. The air inlet for blowing out is positioned at the lower part of the blowing-out area, the air which enters from the air inlet and is pressurized by the fan passes through the mass transfer of the packing layer, the bromine element generated by oxidation in the seawater and brine is continuously transferred into the ascending air, the bromine-containing air flows out from the bromine-containing air outlet at the upper part of the blowing-out area, enters the bromine-containing air channel, the seawater brine after bromine extraction falls into the buffer tank, and the seawater brine outlet after bromine extraction at the bottom is discharged out of the device.
The bromine enrichment device is characterized in that bromine-containing air enters the absorption zone through a bromine-containing air inlet at the bottom of the bromine-containing air channel in the bromine blowing process of seawater and brine air, bromine in the air in the absorption zone reacts with an absorbent added at the upper part of the absorption zone to dissolve into water, and the bromine falls into an enrichment liquid storage tank. The enriched liquid in the enriched liquid storage tank is discharged through an outlet at the bottom of the absorption zone and is used as the raw material for the next production. The desorbed air enters the circulating air channel from the upper outlet of the absorption zone after being purified and defogged, the circulating air is discharged from the lower outlet of the channel, and the air enters the device for recycling after being pressurized by an external fan.
Compared with the prior art, the utility model has the following advantages:
the bromine enrichment device in the bromine blowing process of the seawater and brine air has all the functions of acidification, oxidation, blowing out, absorption, purification, enrichment liquid storage and other enrichment procedures in the shell, so that the volume and the occupied area of the equipment are effectively reduced, the arrangement is more compact, the manufacturing cost of the equipment is effectively reduced, the system connecting pipelines are reduced by arranging four partition plates, the system resistance is reduced, the pressure head of a blowing fan can be reduced, and the running cost is saved.
The bromine enrichment device can enrich 600-1000 times of bromine in the process of blowing bromine by seawater and brine air, the bromine extraction rate in raw material brine is 80-87%, and the efficient extraction of bromine is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a bromine enrichment device in a seawater and brine air bromine blowing process according to an embodiment of the utility model;
fig. 2 is a top view of a bromine enrichment device (circular) in the process of blowing bromine from seawater and brine air according to an embodiment of the utility model;
fig. 3 is a top view of a bromine enrichment device (square) in the process of blowing bromine from seawater and brine air according to an embodiment of the utility model;
FIG. 4 is a cross-sectional view at A;
FIG. 5 is a cross-sectional view at B;
fig. 6 is a cross-sectional view at C.
Reference numerals illustrate:
1. acidifying the oxidation zone; 2. a blowout area; 3. a bromine-containing air channel; 4. an absorption zone; 5. a circulating air passage; 6. a first separator; 7. a second separator; 8. a third separator; 9. a fourth separator; 10. a grille; 11. a support plate; 12. seawater brine buffer tank after bromine extraction; 13. a concentrate holding tank; 14. a housing; 1-1, acidifying and oxidizing the filler layer; 2-1, a seawater brine distributor; 2-2, blowing out the filler layer; 4-1, purifying and demisting filler layers; 4-2, an absorbent distributor; 4-3, absorbing the filler layer;
A. an acid inlet; B. a chlorine inlet; C. a seawater brine inlet; D. an acidified oxidized brine outlet; E. a seawater brine outlet after bromine extraction; F. a circulating air inlet; G. a bromine-containing air outlet; H. a bromine-containing air inlet; I. an absorbent inlet; j1, a first circulating air outlet; j2, a second circulating air outlet; K. an enriched liquid outlet; l, a recovery liquid outlet.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
As shown in fig. 1 and 4-6, a bromine enrichment device in the process of blowing bromine by seawater and brine air is preserved by adopting glass fiber reinforced plastic polytetrafluorplastic after being poured by glass fiber reinforced plastic materials and cement.
The bromine enrichment device in the bromine blowing process of seawater and brine air comprises a shell, wherein a first partition plate and a second partition plate are arranged in the shell, a blowing-out area is arranged between the first partition plate and the shell, an absorption area is arranged between the second partition plate and the shell, a third partition plate and a fourth partition plate are arranged between the first partition plate and the second partition plate, an acidification oxidation area is arranged between the third partition plate and the first partition plate, the second partition plate and the area surrounded by the shell, a bromine-containing air channel is arranged between the third partition plate and the first partition plate, the second partition plate and the area surrounded by the fourth partition plate, and a circulating air channel is arranged between the fourth partition plate and the first partition plate, the second partition plate and the area surrounded by the shell;
the absorption zone and the blowout zone are respectively provided with a distributor, and the absorption zone, the blowout zone and the acidification oxidation zone are respectively provided with a grid component. The grid assembly comprises a grid, a supporting plate and filler, wherein the supporting plate is horizontally arranged, the grid is positioned on the supporting plate, and the filler is positioned on the grid. The number of the grating components of the absorption area is 2, and the grating components are respectively positioned above and below the distributor of the absorption area. The distributor of the absorption area is an absorbent distributor, and the distributor of the blowout area is a seawater brine distributor. The packing in the absorption area is a purifying demisting packing layer and an absorbing packing layer respectively, the purifying demisting packing layer is positioned above the absorbing packing layer, and the packing in the blowing-out area is a blowing-out packing layer. The filler of the acidification oxidation zone is an acidification oxidation filler layer.
The bottoms of the first baffle, the second baffle, the third baffle and the fourth baffle are connected with the bottom of the shell; the tops of the first baffle, the second baffle, the third baffle and the fourth baffle are all connected with the top of the shell. The first partition board is parallel to the second partition board, the third partition board is parallel to the fourth partition board, the first partition board is perpendicular to the third partition board and the fourth partition board, and the second partition board is perpendicular to the third partition board and the fourth partition board.
The bottom of the blowout area is provided with a seawater brine buffer tank after bromine extraction, and the bottom of the absorption area is provided with a concentrated solution storage tank.
The shell is provided with an acid inlet, a chlorine inlet, a seawater brine inlet, an absorbent inlet, a second circulating air outlet, an enrichment liquid outlet and a recovery liquid outlet, wherein the acid inlet, the chlorine inlet and the seawater brine inlet are all positioned at the lower part of the acidification oxidation zone, the absorbent inlet is communicated with a distributor of the absorption zone, the second circulating air outlet is communicated with the circulating air channel and positioned at the lower part of the circulating air channel, the enrichment liquid outlet is communicated with the enrichment liquid storage tank, and the recovery liquid outlet is communicated with the circulating air channel and positioned at the lower part of the circulating air channel; the first partition board is provided with an acidified oxidized brine outlet and a bromine-containing air outlet, the bromine-containing air outlet is positioned at the upper part of the first partition board and is used for communicating the blowout area with a bromine-containing air channel, and the acidified oxidized brine outlet is connected with the seawater brine distributor; the shell is provided with a circulating air inlet and a bromine-extracted seawater brine outlet, the circulating air inlet is communicated with the blowout area, and the bromine-extracted seawater brine outlet is communicated with the bromine-extracted seawater brine buffer tank; the circulating air inlet is positioned at the lower part of the blowout area; the second separator is provided with a bromine-containing air inlet and a first circulating air outlet, the bromine-containing air inlet is positioned at the lower part of the second separator and is communicated with the absorption area, and the first circulating air outlet is positioned at the upper part of the second separator and is communicated with the absorption area.
The bromine enrichment device is characterized in that a (concentrated) seawater brine inlet is positioned at the lower part of an acidification oxidation zone, brine after being fully acidified and oxidized in the acidification oxidation zone is sent into a seawater brine distributor at the upper part of a blowout zone, and the seawater brine after being acidified and oxidized is uniformly distributed on a blowout filler through the distributor. The air inlet for blowing out is positioned at the lower part of the blowing-out area, the air which enters from the air inlet and is pressurized by the fan passes through the mass transfer of the packing layer, the bromine element generated by oxidation in the seawater and brine is continuously transferred into the ascending air, the bromine-containing air flows out from the bromine-containing air outlet at the upper part of the blowing-out area, enters the bromine-containing air channel, the seawater brine after bromine extraction falls into the buffer tank, and the seawater brine outlet after bromine extraction at the bottom is discharged out of the device.
The bromine enrichment device is characterized in that bromine-containing air enters the absorption zone through a bromine-containing air inlet at the bottom of the bromine-containing air channel in the bromine blowing process of seawater and brine air, bromine in the air in the absorption zone reacts with an absorbent added at the upper part of the absorption zone to dissolve into water, and the bromine falls into an enrichment liquid storage tank. The enriched liquid in the enriched liquid storage tank is discharged through an outlet at the bottom of the absorption zone and is used as the raw material for the next production. The desorbed air enters the circulating air channel from the upper outlet of the absorption zone after being purified and defogged, the circulating air is discharged from the lower outlet of the channel, and the air enters the device for recycling after being pressurized by an external fan.
Example 2
As shown in fig. 2, a bromine enrichment device in the process of blowing bromine from seawater and brine air has a circular cross section along the horizontal direction.
Concentrated seawater with 80mg/L bromine content enters the device from a seawater brine inlet at 2.0m/s, sulfuric acid is added into an acid inlet to ensure that the pH=3.2, chlorine is added into a chlorine inlet, the chlorine passes through an acidification oxidation zone at a flow rate of 0.35m/s, then enters a seawater brine distributor at a flow rate of 2.0m/s, and is in countercurrent contact with air entering from a circulating air inlet, wherein the seawater brine has a spray density of 35m 3 /m 2 And h, spraying at a speed of 1.2m/s, wherein the air rises in the blowing-out area, bromine in the concentrated seawater is resolved into the air, so that bromine-containing air is formed and discharged from a bromine-containing air outlet, and the concentrated seawater after bromine extraction is discharged from a bromine-extracting seawater brine outlet. Bromine-containing air passes through the bromine-containing air channel at a speed of 15m/s and entersAn absorption zone passing from bottom to top at a speed of 1.2m/s, the spray density of the absorption zone being 12m 3 /m 2 And h, reacting with an absorbent added from an absorbent inlet in an absorption zone to form hydrogen bromide, dissolving the hydrogen bromide in water, and circularly absorbing to obtain bromine-enriched liquid with bromine content of 80g/L in a concentrated liquid storage tank, wherein the extraction rate of bromine in the concentrated seawater is 82%. The enriched liquid in the enriched liquid storage tank is discharged through an enriched liquid outlet at the bottom of the absorption zone and is used as the raw material for the next production. After being purified by the purifying demisting filler layer, desorbed air enters the circulating air channel from the first circulating air outlet at the upper part of the absorption area, and the circulating air is discharged from the second circulating air outlet at the lower part of the channel and is pressurized by an external fan and then enters the device for recycling.
Example 3
As shown in fig. 3, a bromine enrichment device in the process of blowing bromine from seawater and brine air has a square cross section along the horizontal direction.
Concentrated seawater with bromine content of 100mg/L enters the device from a seawater brine inlet at 2.0m/s, sulfuric acid is added into an acid inlet to ensure that the pH=3.0, chlorine is added into a chlorine inlet, the concentrated seawater passes through an acidification oxidation zone at a flow rate of 0.45m/s, then enters a seawater brine distributor at a flow rate of 2.2m/s, and is in countercurrent contact with air entering from a circulating air inlet, wherein the seawater brine has a spray density of 40m 3 /m 2 And h, spraying at a speed of 1.5m/s, wherein the air rises in the blowing-out area, bromine in the concentrated seawater is resolved into the air, so that bromine-containing air is formed and discharged from a bromine-containing air outlet, and the concentrated seawater after bromine extraction is discharged from a bromine-extracting seawater brine outlet. Bromine-containing air passes through the bromine-containing air channel at the speed of 18m/s, enters the absorption zone, passes through the absorption zone from bottom to top at the speed of 1.5m/s, and has the spray density of 15m 3 /m 2 And h, reacting with an absorbent added from an absorbent inlet in an absorption zone to form hydrogen bromide, dissolving the hydrogen bromide in water, and circularly absorbing to obtain bromine-enriched liquid with bromine content of 110g/L in a concentrated liquid storage tank, wherein the extraction rate of bromine in the concentrated seawater is 86%. The enriched liquid in the enriched liquid storage tank is discharged through an enriched liquid outlet at the bottom of the absorption zone and is used as the raw material for the next production. Purifying and demisting the desorbed airAfter the filler layer is purified, the filler layer enters a circulating air channel from a first circulating air outlet at the upper part of the absorption area, and circulating air is discharged from a second circulating air outlet at the lower part of the channel and is pressurized by an external fan and then enters the device for recycling.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. Bromine enrichment device in bromine blowing process of seawater and brine air, which is characterized in that: the novel sewage treatment device comprises a shell, wherein a first partition plate and a second partition plate are arranged inside the shell, a blowing-out area is arranged between the first partition plate and the shell, an absorption area is arranged between the second partition plate and the shell, a third partition plate and a fourth partition plate are arranged between the first partition plate and the second partition plate, an acidification oxidation area is arranged between the third partition plate and the first partition plate, the second partition plate and the area surrounded by the shell, a bromine-containing air channel is arranged between the third partition plate and the first partition plate, the second partition plate and the area surrounded by the fourth partition plate, and a circulating air channel is arranged between the fourth partition plate and the first partition plate, the second partition plate and the area surrounded by the shell;
the absorption zone and the blowout zone are respectively provided with a distributor, and the absorption zone, the blowout zone and the acidification oxidation zone are respectively provided with a grid component.
2. The bromine enrichment device in the process of blowing bromine from seawater and brine air according to claim 1, wherein: the grid assembly comprises a grid, a supporting plate and filler, wherein the supporting plate is horizontally arranged, the grid is positioned on the supporting plate, and the filler is positioned on the grid.
3. The bromine enrichment device in the process of blowing bromine from seawater and brine air according to claim 2, wherein: the bottoms of the first baffle, the second baffle, the third baffle and the fourth baffle are connected with the bottom of the shell; the tops of the first baffle, the second baffle, the third baffle and the fourth baffle are all connected with the top of the shell.
4. A bromine enrichment device in a bromine blowing process of seawater and brine air according to claim 3, wherein: the first partition board is parallel to the second partition board, the third partition board is parallel to the fourth partition board, the first partition board is perpendicular to the third partition board and the fourth partition board, and the second partition board is perpendicular to the third partition board and the fourth partition board.
5. The bromine enrichment device in the process of blowing bromine from seawater and brine air according to claim 1, wherein: the bottom of the blowout area is provided with a seawater brine buffer tank after bromine extraction, and the bottom of the absorption area is provided with a concentrated solution storage tank.
6. The bromine enrichment device in the process of blowing bromine from seawater and brine air according to claim 5, wherein: the shell is provided with an acid inlet, a chlorine inlet, a seawater brine inlet, an absorbent inlet, a second circulating air outlet, an enrichment liquid outlet and a recovery liquid outlet, wherein the acid inlet, the chlorine inlet and the seawater brine inlet are all positioned at the lower part of the acidification oxidation zone, the absorbent inlet is communicated with a distributor of the absorption zone, the second circulating air outlet is communicated with the circulating air channel and positioned at the lower part of the circulating air channel, the enrichment liquid outlet is communicated with the enrichment liquid storage tank, and the recovery liquid outlet is communicated with the circulating air channel and positioned at the lower part of the circulating air channel; the first partition board is provided with an acidified oxidized brine outlet and a bromine-containing air outlet, the bromine-containing air outlet is positioned at the upper part of the first partition board and is used for communicating the blowout area with a bromine-containing air channel, and the acidified oxidized brine outlet is connected with the seawater brine distributor; the shell is provided with a circulating air inlet and a bromine-extracted seawater brine outlet, the circulating air inlet is communicated with the blowout area, and the bromine-extracted seawater brine outlet is communicated with the bromine-extracted seawater brine buffer tank; the circulating air inlet is positioned at the lower part of the blowout area; the second separator is provided with a bromine-containing air inlet and a first circulating air outlet, the bromine-containing air inlet is positioned at the lower part of the second separator and is communicated with the absorption area, and the first circulating air outlet is positioned at the upper part of the second separator and is communicated with the absorption area.
7. The bromine enrichment device in the process of blowing bromine from seawater and brine air according to claim 6, wherein: the number of the grating components of the absorption area is 2, and the grating components are respectively positioned above and below the distributor of the absorption area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320811738.0U CN219689537U (en) | 2023-04-13 | 2023-04-13 | Bromine enrichment device in seawater and brine air bromine blowing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320811738.0U CN219689537U (en) | 2023-04-13 | 2023-04-13 | Bromine enrichment device in seawater and brine air bromine blowing process |
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