CN112316670A - Absorption tower for extracting bromine from seawater brine - Google Patents
Absorption tower for extracting bromine from seawater brine Download PDFInfo
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- CN112316670A CN112316670A CN202011198456.5A CN202011198456A CN112316670A CN 112316670 A CN112316670 A CN 112316670A CN 202011198456 A CN202011198456 A CN 202011198456A CN 112316670 A CN112316670 A CN 112316670A
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- bromine
- absorption
- shell
- inner cavity
- liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1406—Multiple stage absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1418—Recovery of products
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/096—Bromine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/26—Halogens or halogen compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention is suitable for the technical field of bromine extraction equipment, and particularly relates to an absorption tower for extracting bromine from seawater brine, which comprises a shell, and the absorption tower for extracting bromine from seawater brine further comprises: the first absorption structure is arranged at the upper end of the inner cavity of the shell and is used for absorbing bromine in a layering manner and increasing the contact area of the bromine and absorption liquid; a second absorbent structure disposed at the bottom of the housing interior for secondary absorption of bromine by atomizing liquid accumulated at the bottom of the housing interior. According to the absorption tower for extracting bromine from seawater brine, provided by the embodiment of the invention, bromine is firstly subjected to layered absorption through the first absorption structure, so that most of bromine can be absorbed by absorption liquid, and further bromine gas which cannot be completely absorbed is further absorbed through the second absorption structure. According to the invention, the absorption effect and the production efficiency of the absorption liquid on bromine are greatly improved by combining the layered absorption and the secondary absorption.
Description
Technical Field
The invention belongs to the technical field of bromine extraction equipment, and particularly relates to an absorption tower for extracting bromine from seawater brine.
Background
Bromine as an important chemical raw material has wide application in various fields of industrial production, scientific research and life, so the method has important practical significance for the development and utilization of bromine resources.
In the production process of bromine, an absorption tower is usually adopted to absorb the gasified bromine, so that the subsequent process is convenient to carry out. However, the existing absorption tower for extracting bromine has large volume, low efficiency, high cost and poor absorption effect on bromine.
Disclosure of Invention
The embodiment of the invention aims to provide an absorption tower for extracting bromine from seawater brine, and aims to solve the problem of high efficiency in extracting bromine from seawater brine。
The embodiment of the invention is realized in such a way that the absorption tower for extracting bromine from seawater brine comprises a shell, and the absorption tower for extracting bromine from seawater brine further comprises:
the first absorption structure is arranged at the upper end of the inner cavity of the shell and is used for absorbing bromine in a layering manner and increasing the contact area of the bromine and absorption liquid;
a second absorbent structure disposed at the bottom of the housing interior for secondary absorption of bromine by atomizing liquid accumulated at the bottom of the housing interior.
Preferably, the first absorption structure comprises a first packing area and a second packing area, the first packing area is arranged at the upper end of the second packing area and used for containing discrete packing, the second packing area is used for containing fixed packing, a first supporting plate is arranged on the first packing area and the second packing area, a second supporting plate is arranged at the bottom of the second packing area and provided with an air inlet, an upward air outlet and an air vent penetrating through the second supporting plate, and the air inlet is used for introducing bromine gas into the second packing area.
1. Preferably, the second absorbent structure comprises:
the control component is arranged at the bottom of the inner cavity of the shell, is electrically connected with the atomization component and is used for monitoring the liquid height at the bottom of the inner cavity of the shell,
the atomization assembly is embedded in the shell, one end of the atomization assembly is communicated with liquid at the bottom of the inner cavity of the shell, and the other end of the atomization assembly is communicated with gas between the first absorption structure and the liquid at the bottom of the inner cavity of the shell and is used for spraying atomized liquid to the gas between the first absorption structure and the liquid at the bottom of the inner cavity of the shell;
the first gas outlet piece is embedded in the bottom of the shell and used for discharging unabsorbed gas.
Preferably, the control assembly comprises a control chip and a pressure gauge, the control chip is electrically connected with the pressure gauge and the atomizing assembly, and the pressure gauge is arranged at the bottom of the inner cavity of the shell.
Preferably, the atomizing assembly comprises an atomizing pump and a first sprinkling sprayer, the first sprinkling sprayer is arranged in the inner cavity of the shell and is communicated with the atomizing pump through a pipeline, and the first sprinkling sprayer is rotatably connected with the pipeline.
Preferably, first drench the sprayer and include the main part, and the main part passes through connector and waterproof bearing and is connected with the pipeline rotation, and the main part is provided with the multiunit connecting block radially to communicate, and the upper end intercommunication of connecting block is provided with first shower nozzle, and the side of the same direction of each connecting block all communicates and is provided with the second shower nozzle.
Preferably, the shell top has the second to drench the sprayer through the pipe connection, and the second drenches the sprayer and sets up at the shell top for spray the absorption liquid through the atomizing, the shell bottom is provided with the discharging pipe, is provided with the flow valve on the discharging pipe.
According to the absorption tower for extracting bromine from seawater brine, provided by the embodiment of the invention, bromine is firstly subjected to layered absorption through the first absorption structure, so that most of bromine can be absorbed by absorption liquid, and further bromine gas which cannot be completely absorbed is further absorbed through the second absorption structure. According to the invention, the absorption effect and the production efficiency of the absorption liquid on bromine are greatly improved by combining the layered absorption and the secondary absorption.
Drawings
Fig. 1 is a schematic structural diagram of an absorption tower for extracting bromine from seawater brine according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural diagram of a second shower according to an embodiment of the present invention.
In the drawings: 1. a housing; 2. a first packing region; 3. a first support plate; 4. a second packing region; 5. a second support plate; 6. an atomizing pump; 7. a discharge pipe; 8. a flow valve; 9. a pressure gauge; 10. a first shower; 11. an air inlet; 12. an air return port; 13. a pressure valve; 14. a connector; 15. a main body; 16. connecting blocks; 17. a second nozzle; 18. a first nozzle; 19. a second shower; 20. a liquid inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a schematic structural diagram of an absorption tower for extracting bromine from seawater brine provided in an embodiment of the present invention includes an outer shell 1, and the absorption tower for extracting bromine from seawater brine further includes:
the first absorption structure is arranged at the upper end of the inner cavity of the shell 1 and is used for absorbing bromine in a layered mode and increasing the contact area of the bromine and absorption liquid;
and the second absorption structure is arranged at the bottom of the inner cavity of the shell 1 and is used for secondarily absorbing bromine by atomizing the liquid accumulated at the bottom of the inner cavity of the shell 1.
In the embodiment of the invention, the first absorption structure is arranged at the upper end of the inner cavity of the shell 1, and the second absorption structure is arranged at the bottom of the inner cavity of the shell 1. When the bromine absorption device is used, bromine gas enters from one side of the first absorption structure, the gas flows through one side of the first absorption structure to reach the top of the inner cavity of the shell 1, then enters the second absorption structure from the other side of the first absorption structure, and after the second absorption structure absorbs the bromine gas again, the unabsorbed gas is discharged. According to the invention, the absorption effect and the production efficiency of the absorption liquid on bromine are greatly improved by combining the layered absorption and the secondary absorption.
As shown in fig. 1, as a preferred embodiment of the present invention, the first absorption structure includes a first filler region 2 and a second filler region 4, the first filler region 2 is disposed at an upper end of the second filler region 4 and is used for accommodating discrete fillers, the second filler region 4 is used for accommodating fixed fillers, the first filler region 2 and the second filler region 4 are provided with a first support plate 3, a second support plate 5 is disposed at a bottom of the second filler region 4, the second support plate 5 is provided with an air inlet 11, an upward air outlet and an air vent penetrating through the second support plate 5, and the air inlet 11 is used for introducing bromine gas into the second filler region 4.
In one example of the present invention, a partition board is disposed between the first filler area 2 and the second filler area 4, the partition board divides the filler into two parts along the axial direction of the housing 1, the cells of the first filler area 2 and the second filler area 4 are opposite, the upward air outlet is disposed on one side of the second support plate 5 and below one cell of the second filler area 4, and the air vent is disposed below the other cell of the second filler area 4. In use, bromine gas enters through the gas inlet 11, passes up one side of the first and second packing regions 2, 4 and then passes down the other side of the first and second packing regions 2, 4 again into the second absorbent structure.
As shown in fig. 1, as a preferred embodiment of the present invention, the second absorbent structure comprises:
the control component is arranged at the bottom of the inner cavity of the shell 1, is electrically connected with the atomization component and is used for monitoring the liquid height at the bottom of the inner cavity of the shell 1,
the atomization assembly is embedded in the shell 1, one end of the atomization assembly is communicated with liquid at the bottom of the inner cavity of the shell 1, the other end of the atomization assembly is communicated with gas between the first absorption structure and the liquid at the bottom of the inner cavity of the shell 1, and the atomization assembly is used for spraying atomized liquid to the gas between the first absorption structure and the liquid at the bottom of the inner cavity of the shell 1;
a first gas outlet member embedded in the bottom of the housing 1 for discharging unabsorbed gas.
In one embodiment of the present invention, the control unit is disposed at the bottom of the inner cavity of the housing 1 and electrically connected to the atomizing unit, which is disposed embedded in the housing 1 and has one end in communication with the liquid at the bottom of the inner cavity of the housing 1 and the other end in communication with the gas between the first absorbing structure and the liquid at the bottom of the inner cavity of the housing 1. When the atomizing device is used, the height of liquid at the bottom of the inner cavity of the shell 1 is monitored through the control assembly, so that the operation and the stop of the atomizing assembly are controlled, and the liquid at the bottom of the inner cavity of the shell 1 is ensured to be at a stable height.
As shown in fig. 1, as a preferred embodiment of the present invention, the control assembly includes a control chip and a pressure gauge 9, the control chip is electrically connected to both the pressure gauge 9 and the atomizing assembly, and the pressure gauge 9 is disposed at the bottom of the inner cavity of the housing 1.
As shown in fig. 1, the atomizing assembly includes an atomizing pump 6 and a first sprayer 10, the first sprayer 10 is disposed in the inner cavity of the housing 1 and is communicated with the atomizing pump 6 through a pipeline, and the first sprayer 10 is rotatably connected with the pipeline.
In one embodiment of the present invention, the control chip determines the current liquid level through the value monitored by the pressure gauge 9, so as to control the start and stop of the atomization assembly.
As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the first shower sprayer 10 includes a main body 15, the main body 15 is rotatably connected to a pipeline through a connector 14 and a waterproof bearing, the main body 15 is radially provided with a plurality of sets of connecting blocks 16 in communication, the upper ends of the connecting blocks 16 are provided with first nozzles 18 in communication, and the side surfaces of the connecting blocks 16 in the same direction are provided with second nozzles 17 in communication.
In one embodiment of the present invention, the main body 15 is rotatably connected to the pipeline through the connector 14 and the waterproof bearing, the first spray head 18 and the second spray head 17 are used for atomization, and the second spray head 17 is arranged at the side for driving the main body 15 to rotate during spraying, so that the atomized liquid can be uniformly distributed in the cavity.
As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, a second sprayer is connected to the top of the housing 1 through a pipeline, the second sprayer is disposed at the top of the housing 1 and is used for spraying the absorption liquid through atomization, a discharge pipe 7 is disposed at the bottom of the housing 1, and a flow valve 8 is disposed on the discharge pipe 7.
In one embodiment of the invention, a flow valve 8 is provided on the discharge pipe 7 for monitoring and controlling the flow rate of the currently discharged material, and a second sprayer is provided on the top of the housing 1 for directly atomizing the absorption liquid, thereby increasing the contact area between the absorption liquid and the bromine gas.
In one embodiment of the invention, the top of the housing 1 is also provided with a return air port 13 and a pressure valve 13, and when the pressure in the housing 1 is too high, the supply device for supplying bromine gas is decompressed through the return air port 13 and the pressure valve 13
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The absorption tower for extracting bromine from seawater brine comprises a shell (1), and is characterized by further comprising:
the first absorption structure is arranged at the upper end of the inner cavity of the shell (1) and is used for absorbing bromine in a layered mode and increasing the contact area of the bromine and absorption liquid;
and the second absorption structure is arranged at the bottom of the inner cavity of the shell (1) and is used for secondarily absorbing bromine by atomizing the liquid accumulated at the bottom of the inner cavity of the shell (1).
2. The absorption tower for extracting bromine from seawater brine according to claim 1, wherein the first absorption structure comprises a first packing area (2) and a second packing area (4), the first packing area (2) is arranged at the upper end of the second packing area (4) and used for containing discrete packing, the second packing area (4) is used for containing fixed packing, a first supporting plate (3) is arranged at the first packing area (2) and the second packing area (4), a second supporting plate (5) is arranged at the bottom of the second packing area (4), the second supporting plate (5) is provided with an air inlet (11), an upward air outlet and an air vent penetrating through the second supporting plate (5), and the air inlet (11) is used for introducing bromine gas into the second packing area (4).
3. The absorption tower for extracting bromine from seawater brine as claimed in claim 1, wherein the second absorption structure comprises:
the control component is arranged at the bottom of the inner cavity of the shell (1), is electrically connected with the atomization component and is used for monitoring the liquid height at the bottom of the inner cavity of the shell (1),
the atomization assembly is embedded in the shell (1), one end of the atomization assembly is communicated with liquid at the bottom of the inner cavity of the shell (1), and the other end of the atomization assembly is communicated with gas between the first absorption structure and the liquid at the bottom of the inner cavity of the shell (1) and is used for spraying atomized liquid to the gas between the first absorption structure and the liquid at the bottom of the inner cavity of the shell (1);
the first gas outlet piece is embedded in the bottom of the shell (1) and used for discharging unabsorbed gas.
4. The absorption tower for extracting bromine from seawater brine according to claim 3, wherein the control assembly comprises a control chip and a pressure gauge (9), the control chip is electrically connected with the pressure gauge (9) and the atomization assembly at the same time, and the pressure gauge (9) is arranged at the bottom of the inner cavity of the shell (1).
5. The absorption tower for extracting bromine from seawater brine according to claim 3, wherein the atomization assembly comprises an atomization pump (6) and a first sprinkling device (10), the first sprinkling device (10) is arranged in the inner cavity of the shell (1) and is communicated with the atomization pump (6) through a pipeline, and the first sprinkling device (10) is rotatably connected with the pipeline.
6. The absorption tower for extracting bromine from seawater brine according to claim 5, wherein the first sprinkling sprayer (10) comprises a main body (15), the main body (15) is rotatably connected with a pipeline through a connector (14) and a waterproof bearing, a plurality of groups of connecting blocks (16) are radially communicated with the main body (15), the upper ends of the connecting blocks (16) are communicated with a first spray head (18), and the side surfaces of the connecting blocks (16) in the same direction are communicated with a second spray head (17).
7. The absorption tower for extracting bromine from seawater brine according to claim 1, wherein a second spraying device is connected to the top of the outer shell (1) through a pipeline, the second spraying device is arranged at the top of the outer shell (1) and used for spraying absorption liquid through atomization, a discharge pipe (7) is arranged at the bottom of the outer shell (1), and a flow valve (8) is arranged on the discharge pipe (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011198456.5A CN112316670A (en) | 2020-10-31 | 2020-10-31 | Absorption tower for extracting bromine from seawater brine |
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CN202011198456.5A CN112316670A (en) | 2020-10-31 | 2020-10-31 | Absorption tower for extracting bromine from seawater brine |
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CN202011198456.5A Pending CN112316670A (en) | 2020-10-31 | 2020-10-31 | Absorption tower for extracting bromine from seawater brine |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204841412U (en) * | 2015-06-03 | 2015-12-09 | 江苏奥尼斯环保科技有限公司 | High -efficient biological deodorization device of integration |
CN105731380A (en) * | 2016-01-13 | 2016-07-06 | 山东昌邑廒里盐化有限公司 | Spray head of bromine blow-off tower |
CN205773315U (en) * | 2016-07-19 | 2016-12-07 | 山东东信化学工业有限公司 | A kind of bromine production system |
CN207708788U (en) * | 2017-12-09 | 2018-08-10 | 山东昌邑灶户盐化有限公司 | A kind of bromine tail gas recycle spray equipment |
CN210385370U (en) * | 2019-07-16 | 2020-04-24 | 上海环境保护有限公司 | Novel washing and spraying washing tower |
CN210729125U (en) * | 2019-06-17 | 2020-06-12 | 深圳市世和安全技术咨询有限公司 | Vehicle-mounted chlorine treatment system |
-
2020
- 2020-10-31 CN CN202011198456.5A patent/CN112316670A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204841412U (en) * | 2015-06-03 | 2015-12-09 | 江苏奥尼斯环保科技有限公司 | High -efficient biological deodorization device of integration |
CN105731380A (en) * | 2016-01-13 | 2016-07-06 | 山东昌邑廒里盐化有限公司 | Spray head of bromine blow-off tower |
CN205773315U (en) * | 2016-07-19 | 2016-12-07 | 山东东信化学工业有限公司 | A kind of bromine production system |
CN207708788U (en) * | 2017-12-09 | 2018-08-10 | 山东昌邑灶户盐化有限公司 | A kind of bromine tail gas recycle spray equipment |
CN210729125U (en) * | 2019-06-17 | 2020-06-12 | 深圳市世和安全技术咨询有限公司 | Vehicle-mounted chlorine treatment system |
CN210385370U (en) * | 2019-07-16 | 2020-04-24 | 上海环境保护有限公司 | Novel washing and spraying washing tower |
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Application publication date: 20210205 |