CN116062696A - Device for recycling iodine from iodine-containing waste liquid - Google Patents
Device for recycling iodine from iodine-containing waste liquid Download PDFInfo
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- CN116062696A CN116062696A CN202211674066.XA CN202211674066A CN116062696A CN 116062696 A CN116062696 A CN 116062696A CN 202211674066 A CN202211674066 A CN 202211674066A CN 116062696 A CN116062696 A CN 116062696A
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- 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
- C01B7/13—Iodine; Hydrogen iodide
- C01B7/14—Iodine
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Abstract
The invention discloses a device for recycling iodine from iodine-containing waste liquid, which relates to the technical field of iodine-containing waste liquid recycling, and comprises a reaction furnace, wherein the bottom surface of the reaction furnace is provided with a through groove, the inner side of the reaction furnace is provided with a bottom plate, the side surface of the bottom plate is attached to the inner wall of the reaction furnace, the lower side surface of the bottom plate is attached to the bottom surface of the reaction furnace, the through groove is connected with a heating mechanism, the heating mechanism is used for evaporating and concentrating the waste liquid in the reaction furnace, the upper side surface of the reaction furnace is fixedly connected with a mounting ring, the front part and the rear part of the lower side surface of the mounting ring are connected with the corresponding position of the upper side surface of the bottom plate through a power mechanism, the power mechanism is used for driving the bottom plate to move up and down, the upper part of the left side surface of the reaction furnace is provided with an opening A, the right end of an exhaust pipe is connected with the opening A, the left side surface of the reaction furnace is provided with a lower side of the opening B, and the right end of the opening is connected with a feeding pipe, so that the reaction furnace is used as a hot air pipeline to perform work on an iodine block, the operation is convenient to operate, and the drying cost is saved.
Description
Technical Field
The invention relates to the technical field of iodine-containing waste liquid recovery, in particular to a device for recovering iodine from iodine-containing waste liquid.
Background
Iodine is an important resource and has wide application in medicine, agriculture, dye, metallurgy, synthetic rubber, national defense and advanced technology. The world iodine production is 2 ten thousand tons/year, and the production of mainly producing countries chile, japan and united states account for 94% of the world's total production. The iodine output of China is about 100-200 tons/year, the kelp iodine extraction technology is mainly adopted, the domestic requirements cannot be met, and the imported quantity per year from abroad is about 4000 tons. With the impact of imported iodine on domestic markets, the number and yield of enterprises producing iodine in China are continuously shrinking, and the trade of iodine is increased year by year. The industrial waste liquid contains a large amount of dissolved iodide ions, the content of which is up to more than 300g/L, and has great recovery value.
At present, the industrial technology mainly adopts phosphorite waste liquid as a raw material, trace iodine in the phosphorite waste liquid is enriched and concentrated and then is recovered (CN 203469791U) to obtain iodine ion solution with the concentration of iodine ion being more than or equal to 0.1mol/L, iodine is separated out by chemical means, the iodine is separated by a solid-liquid separation method, and finally the liquid attached to the iodine block is blown dry
The existing drying method is usually to lead out a hot air pipeline from a heat source device to dehumidify the iodine blocks or reconstruct a special heat source device to dry the iodine blocks, so that unnecessary workload is increased, the operation is troublesome, and the cost is increased.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the device for recycling iodine from the iodine-containing waste liquid, which directly introduces hot air into the reaction furnace, so that the reaction furnace serves as a hot air pipeline to blow-dry iodine blocks, is convenient to operate, saves cost and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a retrieve device of iodine from iodine-containing waste liquid, includes the reacting furnace, logical groove is seted up to the bottom surface of reacting furnace, and the inboard of reacting furnace sets up the bottom plate, the side surface of bottom plate is laminated with the inner wall of reacting furnace, the downside surface of bottom plate is laminated with the bottom surface of reacting furnace, logical groove is connected with heating mechanism, heating mechanism is used for evaporating concentration to the waste liquid in the reacting furnace, and the upside surface fixed connection collar of reacting furnace, the upside surface correspondence position of bottom plate is passed through power unit connection to the downside surface front and back portion of collar, power unit is used for driving the bottom plate and reciprocates, and A mouth is seted up on the left side surface upper portion of reacting furnace, the right-hand member of blast pipe is put through to the A mouth, and the left side surface of reacting furnace is located the downside position of A mouth sets up the B mouth, the right-hand member of feed pipe is put through to the B mouth, the left end of blast pipe is put through with the middle part of feed pipe, the internally mounted exhaust mechanism of collar, exhaust mechanism is used for evaporating inside the reacting furnace.
The design bottom plate that reciprocates to can make the reacting furnace carry the steam while, clear up the work to the inner wall of reacting furnace, thereby scrape the impurity that leaves because of waste water height Wen Zhengteng on the inner wall, thereby make the inside of reacting furnace clean, make the bottom plate through heat conduction material, thereby guarantee that the bottom plate has good heat conductivity, thereby be convenient for carry out heating work, when controlling means carries out the during operation, will wait to concentrate the waste liquid earlier and transport into the reacting furnace through the inlet pipe, and make the liquid level be less than the A mouth, the rethread heating mechanism carries out heating work, heat gets into the reacting furnace through the bottom plate, thereby heat the waste liquid, thereby make the waste liquid evaporate concentration, the work of rethread exhaust mechanism, thereby discharge the steam that produces in the reacting furnace, accomplish concentrated back, carry out chemical processing to the iodine in the waste water, thereby make the iodine in the waste water separate out, again with solid-liquid mixture discharge, carry out solid-liquid mixture after the separation, thereby drive the bottom plate up to between A mouth and the B mouth, thereby when scraping the impurity that produces in the reacting furnace, make reacting furnace and heating mechanism, thereby make the heat can be directly put through the heat pipe, can be regarded as the reaction, can blow dry the reaction, the work is done.
Further, the heating mechanism comprises a heating furnace, the heating furnace is communicated with the lower end of a heat transfer pipeline, and the upper end of the heat transfer pipeline is communicated with the through groove.
The heat furnace is designed, so that the bottom plate is heated through the high temperature generated by the heat furnace, heat is provided for evaporation and concentration, and the heat transfer pipeline is designed, so that the heat transfer pipeline is convenient to be communicated with the reaction furnace, and heat dissipation is prevented.
Further, the power mechanism comprises hydraulic rods, the front side and the rear side of the lower side surface of the mounting ring are vertically and fixedly connected with the hydraulic rods respectively, the input ends of the hydraulic rods are controlled by an external control switch group to be electrically connected with the output end of an external power supply, and the lower ends of the two hydraulic rods are fixedly connected with the corresponding positions of the upper side surface of the bottom plate respectively.
When the hydraulic rod is controlled to work, the hydraulic rod is controlled to work through the external control switch group, so that the bottom plate is driven to move up and down.
Further, exhaust mechanism contains the fixed plate, the inside fixed connection fixed plate of collar, the upside surface middle part fixed connection motor of fixed plate, the input of motor passes through outside control switch group control and is connected with external power source's output electricity, and the output shaft of motor passes the round hole of seting up on the fixed plate and extends to the inside of reacting furnace to equiangular fixed connection flabellum.
When the air exhausting mechanism is controlled to work, the motor is controlled to work through the external control switch group, so that the fan blades are driven to exhaust, and when the air drying work is performed, the motor is controlled to rotate reversely, so that the air blowing work is performed.
Further, the device also comprises a filter screen, four mounting grooves are spliced by the fixing plate and the mounting ring in a matching way, and the filter screen is fixedly connected in each mounting groove.
The filter screen is designed so as to prevent external impurities from entering the reaction furnace, thereby ensuring the cleaning of the interior of the reaction furnace.
Further, the device also comprises a valve I, and the valve I is arranged at the left side of the position, which is communicated with the exhaust pipe, of the inner part of the feeding pipe.
When the drying work is carried out, the left end of the feeding pipe is closed by the control valve I, so that air blown down by the fan blade enters the feeding pipe through the exhaust pipe, and then enters the reaction furnace to be heated.
Further, the device also comprises a discharging pipe, the lower part of the right side surface of the reaction furnace is communicated with the discharging pipe, and a valve II is arranged in the discharging pipe.
The design discharging pipe to make the discharging pipe have two functions of ejection of compact and blowing hot-blast, thereby need not reconstruct the hot-blast pipe, thereby it is more convenient, design valve two, thereby can the free control discharging pipe open and shut work.
Further, the device also comprises a sealing ring, wherein the lower side surface of the bottom plate is fixedly connected with the sealing ring, and the sealing ring is matched and connected with a sealing groove arranged at the corresponding position of the bottom of the inner side surface of the reaction furnace.
The sealing ring is designed so as to avoid the occurrence of leakage.
Compared with the prior art, the invention has the beneficial effects that: the device for recycling iodine from iodine-containing waste liquid has the following advantages:
1. the bottom plate capable of moving up and down is designed, so that the reaction furnace can carry out cleaning work on the inner wall of the reaction furnace while conveying hot gas, and impurities on the inner wall, which are left by the waste water height Wen Zhengteng, are scraped off;
2. the bottom plate capable of moving up and down is designed, so that the reaction furnace and the hot furnace can be communicated, and the reaction furnace has the function of a heat transmission pipe;
3. the heat transfer pipeline is designed, so that the heat transfer pipeline is convenient to connect with the reaction furnace and prevents heat dissipation;
4: the sealing ring is designed so as to avoid the occurrence of leakage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention
FIG. 4 is a schematic cross-sectional elevation view of the present invention;
FIG. 5 is a schematic view of the structure of the present invention shown in FIG. 4 at a partially enlarged scale;
fig. 6 is a schematic view of a right-side cross-sectional structure of the present invention.
In the figure: 1 reaction furnace, 2A port, 3B port, 4 exhaust pipe, 5 feed pipe, 6 discharge pipe, 7 mounting ring, 8 fixed plate, 9 motor, 10 fan blade, 11 filter screen, 12 hydraulic rod, 13 bottom plate, 14 sealing ring, 15 furnace, 16 heat transfer pipeline, 17 valve one, 18 valve two.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present embodiment provides a technical solution: the utility model provides a retrieve device of iodine from iodine-containing waste liquid, including reacting furnace 1, logical groove is seted up to the bottom surface of reacting furnace 1, the inboard of reacting furnace 1 sets up bottom plate 13, the side surface of bottom plate 13 is laminated with the inner wall of reacting furnace 1, the downside surface of bottom plate 13 is laminated with the bottom surface of reacting furnace 1, logical groove is connected with heating mechanism, heating mechanism is used for evaporating concentration to the waste liquid in the reacting furnace 1, the upside surface fixed connection collar 7 of reacting furnace 1, the upside surface front and back portion of collar 7 passes through power unit connection bottom plate 13's upside surface corresponding position, power unit is used for driving bottom plate 13 and reciprocates, A mouth 2 is seted up on the left side surface upper portion of reacting furnace 1, the right-hand member of blast pipe 4 is put through to A mouth 2, B mouth 3 is put through to the left side surface of reacting furnace 1 is located the downside position of A mouth 2, the right-hand member of feed pipe 5 is put through to B mouth 3, the left end and the middle part of blast pipe 4 is put through to the blast pipe 5, the internally mounted exhaust mechanism of collar 7 is used for evaporating the inside of reacting furnace 1.
The design can reciprocate the bottom plate 13 to can make reacting furnace 1 carry the steam while, clear up the work to the inner wall of reacting furnace 1, thereby scrape the impurity that leaves because of waste water height Wen Zhengteng on the inner wall, thereby make reacting furnace 1's inside keep clean, make bottom plate 13 through heat conduction material, thereby guarantee bottom plate 13 has good heat conductivity, thereby be convenient for carry out heating work, when controlling means carries out the during operation, will wait to concentrate the waste liquid earlier and transport into reacting furnace 1 through inlet pipe 5, and make the liquid level be less than A mouth 2, rethread heating mechanism carries out heating work, heat passes through bottom plate 13 and gets into reacting furnace 1, thereby heat the waste liquid, thereby make waste liquid evaporation concentrate, the work of exhaust mechanism is controlled again, thereby discharge steam that produces in the reacting furnace 1, accomplish after concentrating, carry out chemical processing to waste water, thereby make iodine in the waste water separate out, again with solid-liquid mixture discharge, after discharge, carry out solid-liquid separation to solid-liquid mixture, thereby carry out solid iodine separation, the power mechanism drives bottom plate 13 upward to move to between A mouth 2 and the B mouth 3, thereby produce in the reacting furnace 1, can be regarded as direct heat pipe 1 to carry out the reaction, thereby, can blow dry the heat 1 to carry out the reaction, and make the reaction, and can be seen as 1.
The heating mechanism comprises a heating furnace 15, the lower end of the heating furnace 15 is communicated with a heat transfer pipeline 16, and the upper end of the heat transfer pipeline 16 is communicated with a through groove.
The heat furnace 15 is designed so as to heat the bottom plate 13 through the high temperature generated by the heat furnace 15, provide heat for evaporation and concentration, and the heat transfer pipeline 16 is designed so as to be convenient for the connection work with the reaction furnace 1 and prevent heat dissipation.
The power mechanism comprises hydraulic rods 12, the front side and the rear side of the lower side surface of the mounting ring 7 are respectively and vertically fixedly connected with the hydraulic rods 12, the input end of each hydraulic rod 12 is controlled by an external control switch group to be electrically connected with the output end of an external power supply, and the lower ends of the two hydraulic rods 12 are respectively and fixedly connected with the corresponding positions of the upper side surface of the bottom plate 13.
When the hydraulic rod 12 is controlled to work, the hydraulic rod 12 is controlled to work through an external control switch group, so that the bottom plate 13 is driven to move up and down.
The exhaust mechanism comprises a fixed plate 8, the inside of a mounting ring 7 is fixedly connected with the fixed plate 8, the middle part of the upper side surface of the fixed plate 8 is fixedly connected with a motor 9, the input end of the motor 9 is electrically connected with the output end of an external power supply through the control of an external control switch group, and the output shaft of the motor 9 penetrates through a round hole formed in the fixed plate 8 to extend into the reaction furnace 1 and is fixedly connected with a fan blade 10 at equal angles.
When the air exhausting mechanism is controlled to work, the motor 9 is controlled to work through the external control switch group, so that the fan blades 10 are driven to exhaust, and when the air drying work is performed, the motor 9 is controlled to rotate reversely, so that the air blowing work is performed.
The device also comprises a filter screen 11, the fixing plate 8 and the mounting ring 7 are matched and spliced to form four mounting grooves, and the filter screen 11 is fixedly connected in each mounting groove.
The filter screen 11 is designed so as to prevent foreign substances from entering the reaction furnace 1, thereby ensuring the interior of the reaction furnace 1 to be clean.
The device also comprises a valve I17, and the valve I17 is arranged at the left side of the position of the inlet pipe 5, which is communicated with the exhaust pipe 4.
When the drying operation is performed, the first control valve 17 closes the left end of the feeding pipe 5, so that air blown by the fan blade 10 enters the feeding pipe 5 through the exhaust pipe 4, and enters the interior of the reaction furnace 1, and heating is performed.
The device also comprises a discharging pipe 6, the lower part of the right side surface of the reaction furnace 1 is communicated with the discharging pipe 6, and a valve II 18 is arranged in the discharging pipe 6.
The discharging pipe 6 is designed, so that the discharging pipe 6 has two functions of discharging and blowing hot air, a hot air pipe does not need to be reconstructed, the two valves 18 are designed more conveniently, and the opening and closing work of the discharging pipe 6 can be controlled freely.
The device also comprises a sealing ring 14, the lower side surface of the bottom plate 13 is fixedly connected with the sealing ring 14, and the sealing ring 14 is matched and connected with a sealing groove arranged at the corresponding position of the bottom of the inner side surface of the reaction furnace 1.
The sealing ring 14 is designed so as to avoid leakage conditions.
The invention provides a device for recycling iodine from iodine-containing waste liquid, which has the following working principle:
firstly, the waste liquid to be concentrated is transported into the reaction furnace 1 through the feed pipe 5, the liquid level is lower than the A port 2, then the bottom plate 13 is heated by the high temperature generated by the heat furnace 15 to provide heat for evaporation and concentration, then the waste liquid boils and evaporates, then the motor 9 is controlled by the external control switch group to work so as to drive the fan blade 10 to exhaust, thereby discharging the water vapor generated in the reaction furnace 1, after concentration, the waste water is subjected to chemical processing, thereby separating iodine in the waste water, then the valve II 18 is opened, thereby discharging the solid-liquid mixture through the discharge pipe 6, and after discharge, the solid-liquid mixture is subjected to solid-liquid separation, thereby separating the solid iodine, placing separated iodine below a discharge pipe 6, controlling a hydraulic rod 12 to work through an external control switch group, driving a bottom plate 13 to move upwards between an A port 2 and a B port 3, scraping impurities generated in a reaction furnace 1, opening a through groove, connecting the reaction furnace 1 with a hot furnace 15, dividing the reaction furnace 1 into an upper part and a lower part at the moment, controlling a motor 9 to overturn, blowing external air to the upper half part of the reaction furnace 1, controlling a valve I17 to close the left end of a feed pipe 5, heating the air entering the reaction furnace 1 through the feed pipe 5, discharging the heated air through the discharge pipe 6, drying the iodine below the discharge pipe 6,
it should be noted that the hydraulic rod 12 disclosed in the above embodiment adopts a dragon-shaped multi-stage hydraulic rod, the first valve 17 and the second valve 18 adopt Shanghai-speed electric valves, and the operation of the motor 9, the hydraulic rod 12, the first valve 17 and the second valve 18 is controlled by an external control switch set by adopting a method commonly used in the prior art.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention.
Claims (8)
1. A device for recovering iodine from iodine-containing waste liquid, which is characterized in that: including reacting furnace (1), logical groove is seted up to the bottom surface of reacting furnace (1), and the inboard of reacting furnace (1) sets up bottom plate (13), the side surface of bottom plate (13) is laminated with the inner wall of reacting furnace (1), the downside surface of bottom plate (13) is laminated with the bottom surface of reacting furnace (1), logical groove is connected with the heat source, heating mechanism is used for evaporating concentration to the waste liquid in reacting furnace (1), the upside surface fixed connection collar (7) of reacting furnace (1), the upside surface front and back portion of collar (7) passes through the upside surface corresponding position of power unit connection bottom plate (13), power unit is used for driving bottom plate (13) and reciprocates, and opening (2) are seted up on the left side surface upper portion of reacting furnace (1), opening (2) switch-on blast pipe (4) right-hand member, opening (3) are seted up in the downside position of opening (2) of left side surface of reacting furnace (1), opening (3) feed pipe (5) right-hand member, the left side surface of opening (4) is used for evaporating water vapor with inside of evaporating mechanism (5), the inside of evaporating mechanism (7) is used for arranging inside the inside of evaporating mechanism (5).
2. An apparatus for recovering iodine from an iodine-containing waste liquid according to claim 1, wherein: the heating mechanism comprises a heating furnace (15), the heating furnace (15) is communicated with the lower end of a heat transfer pipeline (16), and the upper end of the heat transfer pipeline (16) is communicated with the through groove.
3. An apparatus for recovering iodine from an iodine-containing waste liquid according to claim 1, wherein: the power mechanism comprises hydraulic rods (12), the front side and the rear side of the lower side surface of the mounting ring (7) are respectively and vertically fixedly connected with the hydraulic rods (12), the input ends of the hydraulic rods (12) are controlled by an external control switch group to be electrically connected with the output ends of an external power supply, and the lower ends of the two hydraulic rods (12) are respectively and fixedly connected with the corresponding positions of the upper side surfaces of the bottom plates (13).
4. An apparatus for recovering iodine from an iodine-containing waste liquid according to claim 1, wherein: the exhaust mechanism comprises a fixed plate (8), the fixed plate (8) is fixedly connected to the inside of the mounting ring (7), a motor (9) is fixedly connected to the middle part of the upper side surface of the fixed plate (8), the input end of the motor (9) is electrically connected with the output end of an external power supply through the control of an external control switch group, and the output shaft of the motor (9) penetrates through a round hole formed in the fixed plate (8) to extend to the inside of the reaction furnace (1) and is fixedly connected with a fan blade (10) at equal angles.
5. The apparatus for recovering iodine from an iodine comprising waste liquid according to claim 4, wherein: the device also comprises a filter screen (11), wherein the fixing plate (8) and the mounting ring (7) are matched and spliced to form four mounting grooves, and the filter screen (11) is fixedly connected in each mounting groove.
6. An apparatus for recovering iodine from an iodine-containing waste liquid according to claim 1, wherein: the device also comprises a valve I (17), and the valve I (17) is arranged at the left side of the position of the inlet pipe (5) which is communicated with the exhaust pipe (4).
7. An apparatus for recovering iodine from an iodine-containing waste liquid according to claim 1, wherein: the device also comprises a discharging pipe (6), the lower part of the right side surface of the reaction furnace (1) is communicated with the discharging pipe (6), and a valve II (18) is arranged in the discharging pipe (6).
8. An apparatus for recovering iodine from an iodine-containing waste liquid according to claim 1, wherein: the device also comprises a sealing ring (14), wherein the sealing ring (14) is fixedly connected to the lower side surface of the bottom plate (13), and the sealing ring (14) is connected with a sealing groove arranged at the corresponding position of the bottom of the inner side surface of the reaction furnace (1) in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211674066.XA CN116062696A (en) | 2022-12-26 | 2022-12-26 | Device for recycling iodine from iodine-containing waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211674066.XA CN116062696A (en) | 2022-12-26 | 2022-12-26 | Device for recycling iodine from iodine-containing waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116062696A true CN116062696A (en) | 2023-05-05 |
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ID=86169252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211674066.XA Pending CN116062696A (en) | 2022-12-26 | 2022-12-26 | Device for recycling iodine from iodine-containing waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116062696A (en) |
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2022
- 2022-12-26 CN CN202211674066.XA patent/CN116062696A/en active Pending
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