Recovery device for bromine tail gas in bromine production
By designing a bromine exhaust gas recovery device containing an active rod and a sealing rod, the problem of particle impurities in the exhaust gas affecting the recovery effect is solved, and the full contact and efficient recovery of bromine exhaust gas and alkaline solution are achieved.
Patent Information
- Application Number
- CN202421454053.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-06-25
AI Technical Summary
During the bromine production process, the exhaust gas contains particulate impurities, resulting in a low contact time and degree of contact between the exhaust gas and the alkaline solution, thereby reducing the recovery effect of the bromine exhaust gas.
A bromine exhaust gas recovery device is designed to ensure sufficient contact between the bromine exhaust gas and the alkaline solution through the coordination of components such as the active rod and the sealing rod, and avoid the impact of particulate impurities on recovery.
Through this device, the contact between bromine exhaust gas and alkaline solution is ensured, the recycling effect of bromine exhaust gas is improved, and environmental pollution and resource waste are avoided.
Smart Images
Figure CN222855066U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bromine tail gas recovery, and in particular relates to a device for recovering bromine tail gas in bromine production. Background Art
[0002] Bromine is an important chemical raw material and is widely used in the fields of flame retardants, oil extraction, fine chemicals, etc., and exhaust gas is generated in the process of preparing bromine, and the exhaust gas contains some bromine. If it is directly discharged, it will pollute the environment and waste bromine. Therefore, a recovery device is needed to recover the bromine exhaust gas in the bromine production process. However, in actual applications, some particulate impurities will be generated in the process of preparing bromine, and the particulate impurities will follow the exhaust gas into the recovery device. The recovery device generally collects the bromine exhaust gas through an alkaline solution such as sodium hydroxide or calcium hydroxide, but the alkaline solution is generally contacted with the bromine exhaust gas by spraying or the like. This method not only leads to a shorter contact time and degree between the exhaust gas and the solution, but also the particulate impurities in the exhaust gas will hinder the reaction between bromine and the alkaline solution, thereby resulting in a lower exhaust gas recovery effect. Utility Model Content
[0003] The utility model provides a bromine tail gas recovery device in bromine production, which has the characteristics of ensuring the contact time and contact opportunity between the bromine tail gas and the alkaline solution during the recovery of the bromine tail gas, thereby ensuring the recovery effect of the bromine tail gas.
[0004] The utility model provides the following technical scheme: it comprises a pre-treatment bin, the bottom end of the pre-treatment bin is detachably connected to an installation bin, the bottom end of the installation bin is detachably connected to a recovery bin, the bottom end of the recovery bin is detachably connected to a drainage bin, the bottom end of the pre-treatment bin is fixedly connected to a collecting bin, the inner side of the pre-treatment bin is fixedly connected to a blocking plate, one side of the blocking plate is provided with a scraping block, the installation bin and the pre-treatment bin are fixedly connected to a connecting pipe, an active rod is rotatably provided inside the recovery bin, a connecting pipe is provided on the outer side of the active rod, stirring rods are fixedly connected on both sides of the active rod, a flow chamber is provided inside the active rod and the stirring rod, an exhaust bin is provided at the bottom end of the stirring rod, a blocking rod is slidably provided inside the active rod, a transmission gear is rotatably provided on the outer side of the blocking rod, a driven disk is rotatably provided on the outer side of the transmission gear, the transmission gear is meshed with the driven disk, an adapting rod is fixedly connected to the outer side of the driven disk, the bottom end of the blocking rod is rotatably connected to a supporting seat, the bottom end of the supporting seat is fixedly connected to a linkage seat, and the bottom end of the linkage seat is fixedly connected to a blocking block.
[0005] Among them, a connection port is fixedly connected to one side of the pre-treatment bin, a material inlet is opened on one side of the recovery bin, and a material discharge port is opened on one side of the drainage bin.
[0006] Wherein, a driving block is fixedly connected to one side of the scraping block, and a threaded rod is rotatably connected to the inner side of the driving block.
[0007] Wherein, a central rotating shaft is fixedly connected to the top end of the active rod, and a guide groove is opened on the inner side of the active rod.
[0008] Wherein, the blocking rod, the transmission gear and the bottom end of the driven disk are all fixedly connected with an auxiliary block, and the auxiliary block rotates inside the support seat.
[0009] The beneficial effect of the utility model is that through the cooperation of the active rod and the blocking rod and other components, when the bromine-containing tail gas is recovered, the contact degree between the bromine-containing tail gas and the alkaline solution can be guaranteed, and the influence of particulate impurities in the tail gas on the recovery can be avoided, thereby ensuring the recovery and treatment effect of the bromine-containing tail gas.
[0010] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0013] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;
[0014] Figure 4 for Figure 2 A magnified schematic diagram of point B in the middle.
[0015] In the figure: 1. pre-treatment bin; 11. installation bin; 111. connecting pipe; 12. recovery bin; 13. drainage bin; 14. collection bin; 15. connection port; 16. inlet; 17. discharge port; 2. blocking plate; 21. scraper block; 22. driving block; 23. threaded rod; 3. active rod; 31. connecting pipe; 32. stirring rod; 33. flow chamber; 34. exhaust bin; 35. central shaft; 36. guide groove; 4. blocking rod; 41. transmission gear; 42. driven disk; 43. adapter rod; 44. support seat; 45. linkage seat; 451. blocking block; 46. auxiliary block. DETAILED DESCRIPTION
[0016] See also Figure 1-Figure 4The utility model provides the following technical solutions: comprising a pre-treatment bin 1, the bottom end of the pre-treatment bin 1 is detachably connected to an installation bin 11, the bottom end of the installation bin 11 is detachably connected to a recovery bin 12, the bottom end of the recovery bin 12 is detachably connected to a drainage bin 13, the bottom end of the pre-treatment bin 1 is fixedly connected to a collection bin 14, the inner side of the pre-treatment bin 1 is fixedly connected to a blocking plate 2, one side of the blocking plate 2 is provided with a scraping block 21, a connecting pipe 111 is fixedly connected between the installation bin 11 and the pre-treatment bin 1, an active rod 3 is rotatably arranged inside the recovery bin 12, a connecting pipe 31 is arranged on the outer side of the active rod 3, and the two sides of the active rod 3 are fixedly connected to each other. A stirring rod 32 is fixedly connected to the side, a flow chamber 33 is opened inside the active rod 3 and the stirring rod 32, an exhaust chamber 34 is opened at the bottom of the stirring rod 32, a blocking rod 4 is slidably provided inside the active rod 3, a transmission gear 41 is rotatably provided on the outside of the blocking rod 4, a driven disk 42 is rotatably provided on the outside of the transmission gear 41, the transmission gear 41 and the driven disk 42 are meshed, an adapter rod 43 is fixedly connected to the outside of the driven disk 42, the bottom end of the blocking rod 4 is rotatably connected to a support seat 44, the bottom end of the support seat 44 is fixedly connected to a linkage seat 45, and the bottom end of the linkage seat 45 is fixedly connected to a blocking block 451.
[0017] In this embodiment: the pre-treatment bin 1 is used to support and connect various components, so that the bromine tail gas in bromine production can be recovered through the cooperation of other components. The staff can connect the gas pipeline to the pre-treatment bin 1 so that the tail gas containing bromine can enter the pre-treatment bin 1, and a blocking plate 2 is fixed inside the pre-treatment bin 1. The blocking plate 2 will block and collect the impurity particles in the tail gas, so as to avoid the particulate impurities in the bromine-containing tail gas from affecting the recovery effect. A collecting bin 14 is installed at the bottom of the pre-treatment bin 1, and a driving motor is installed inside the collecting bin 14. A scraping block 21 is provided on one side of the blocking plate 2. The scraping block 21 will be driven by the driving motor to perform reciprocating vertical motion to scrape the impurity particles attached to the surface of the blocking plate 2 into the collecting bin. The waste gas is collected in a centralized manner inside the collecting bin 14, and a large amount of impurity particles adhering to the surface of the blocking plate 2, which may reduce the filtering effect, can be avoided. The bromine-containing tail gas filtered by the blocking plate 2 will reach the other side of the blocking plate 2, and pass through the inside of the installation bin 11 through the connecting pipe 111, and enter the inside of the recovery bin 12. An active rod 3 rotates inside the recovery bin 12, and a driving motor is installed inside the installation bin 11, and the driving motor can drive the active rod 3 to rotate. A stirring rod 32 is fixed on the outside of the active rod 3. When the active rod 3 rotates, it will drive the stirring rod 32 to move synchronously. The staff needs to introduce the alkaline solution into the recovery bin 12, and make the liquid level of the alkaline solution reach the position between the connecting pipe 31 and the stirring rod 32, and enter the recovery bin. The bromine-containing tail gas in the inner part of the stirring rod 32 will enter the inner part of the connecting pipe 31, and enter the inner part of the active rod 3 through the connecting pipe 31, and the inner part of the active rod 3 and the stirring rod 32 is provided with a flow chamber 33, so that the connecting pipe 31 can guide the bromine-containing tail gas into the inner part of the flow chamber 33, and the bottom end of the stirring rod 32 is provided with an exhaust chamber 34, so that the bromine-containing tail gas in the flow chamber 33 can be discharged through the exhaust chamber 34 and enter the inner part of the alkaline solution, and contact with the alkaline solution, so that the bromine-containing tail gas is recovered by the alkaline solution, and the active rod 3 will drive the blocking rod 4 to move synchronously when rotating, and the outer side of the bottom of the blocking rod 4 is provided with teeth, so that the blocking rod 4 will drive the transmission gear 41 to rotate when rotating, and the transmission gear 41 is meshed with the driven disk 42, so that the transmission gear When the wheel 41 rotates, it drives the driven disk 42 to rotate, and when the driven disk 42 rotates, it drives the adapter rod 43 to rotate, so that the stirring rod 32 and the adapter rod 43 can stir the alkaline solution by rotation, and the stirring rod 32 and the adapter rod 43 rotate in opposite directions, so that when the stirring rod 32 and the adapter rod 43 stir the alkaline solution, turbulence can be generated in the alkaline solution, thereby ensuring that the bromine-containing tail gas discharged into the alkaline solution can fully contact the alkaline solution, thereby completing the recovery effect of the bromine-containing tail gas, the supporting seat 44 rotating under the blocking rod 4 is used to support the blocking rod 4, the transmission gear 41 and the driven disk 42, so that the active rod 3 can drive the blocking rod 4, the transmission gear 41 and the driven disk 42 to rotate,Then, the adapter rod 43 can rotate with the stirring rod 32 to complete the stirring operation of the alkaline solution. The linkage seat 45 fixed at the bottom end of the support seat 44 is used to drive the support seat 44 to move. The blocking block 451 fixed at the bottom end of the linkage seat 45 is used to block the connection between the recovery bin 12 and the drainage bin 13. An electric push rod is installed inside the drainage bin 13, and the output end of the electric push rod is connected to the linkage seat 45, so that the linkage seat 45 can drive the support seat 44 and the blocking rod 4 and other components to move vertically, so that the blocking rod 4 can move to the connection between the active rod 3 and the stirring rod 32, and then the active rod 3 and the stirring rod 32 are connected. , so that when the alkaline solution inside the recovery bin 12 is saturated and the bromine-containing tail gas cannot be recovered any further, the blocking block 451 can move with the linkage seat 45, canceling the blocking of the recovery bin 12 and the drainage bin 13, thereby allowing the alkaline solution inside the recovery bin 12 to enter the drainage bin 13 and be discharged from the drainage bin 13. After the blocking rod 4 completes the blocking of the active rod 3 and the stirring rod 32, the bromine-containing tail gas can be prevented from continuing to be discharged into the recovery bin 12 through the exhaust bin 34, and the unrecovered bromine-containing tail gas can be prevented from following the alkaline solution into the drainage bin 13 and being directly discharged.
[0018] A connection port 15 is fixedly connected to one side of the pre-treatment bin 1, a feed port 16 is provided on one side of the recovery bin 12, and a discharge port 17 is provided on one side of the drainage bin 13; the connection port 15 fixed on one side of the pre-treatment bin 1 is used to connect the gas pipeline with the pre-treatment bin 1, so that the bromine-containing tail gas can enter the pre-treatment bin 1 through the gas pipeline, and then through the cooperation of other components, the recovery of the bromine-containing tail gas is completed, the feed port 16 provided on one side of the recovery bin 12 is used to introduce the alkaline solution into the recovery bin 12, and then the recovery of the bromine-containing tail gas is completed through the alkaline solution, and the discharge port 17 provided on one side of the drainage bin 13 is used to discharge the saturated alkaline solution, so that the staff can introduce the alkaline solution that has not been treated with the bromine-containing tail gas into the recovery bin 12 to continue the subsequent recovery of the bromine-containing tail gas.
[0019] A driving block 22 is fixedly connected to one side of the scraper block 21, and a threaded rod 23 is rotatably connected to the inner side of the driving block 22; the driving block 22 fixed on one side of the scraper block 21 is used to drive the scraper block 21 to move, thereby completing the scraping of the impurity particles blocked and attached to the surface of the blocking plate 2 into the inside of the collecting bin 14, and a threaded rod 23 is rotatably provided on the inner side of the driving block 22, and the inner side of the driving block 22 is provided with a thread that is adapted to the outer side of the threaded rod 23, and the threaded rod 23 is connected to the output end of the driving motor installed in the collecting bin 14, so that the threaded rod 23 can drive the driving block 22 and the scraper block 21 to move when rotating, thereby completing the scraping of the impurity particles attached to the surface of the blocking plate 2.
[0020] A central rotating shaft 35 is fixedly connected to the top of the active rod 3, and a guide groove 36 is provided on the inner side of the active rod 3; the central rotating shaft 35 fixed on the top of the active rod 3 is used to connect the active rod 3 with a driving motor installed inside the installation bin 11, so that the central rotating shaft 35 can drive the active rod 3 to rotate, thereby achieving the purpose of driving the stirring rod 32 and driving the adapter rod 43 to rotate through the cooperation of other components, so that the stirring rod 32 and the adapter rod 43 can complete the stirring of the alkaline solution inside the recovery bin 12, and the guide groove 36 provided on the inner side of the active rod 3 is used to guide the movement of the blocking rod 4, so that the blocking rod 4 will not be offset when moving inside the active rod 3, and the blocking rod 4 can only move vertically relative to the active rod 3, so that the blocking rod 4 can slide relative to the active rod 3, and complete the blocking operation of the connection between the active rod 3 and the stirring rod 32.
[0021] The bottom ends of the blocking rod 4, the transmission gear 41 and the driven disk 42 are all fixedly connected with auxiliary blocks 46, and the auxiliary blocks 46 rotate inside the support seat 44; the auxiliary blocks 46 fixed at the bottom ends of the blocking rod 4, the transmission gear 41 and the driven disk 42 are used to support the movement of the blocking rod 4, the transmission gear 41 and the driven disk 42, and the auxiliary blocks 46 rotate inside the support seat 44, so that the support seat 44 can complete the support operation of the blocking rod 4, the transmission gear 41 and the driven disk 42.
[0022] The working principle and use process of the utility model are as follows: when the staff recovers the bromine-containing tail gas generated during the production of bromine, the staff can introduce the bromine-containing tail gas into the interior of the pre-treatment bin 1 through the gas transmission pipe, and the bromine-containing tail gas entering the interior of the pre-treatment bin 1 will contact the blocking plate 2, and the blocking plate 2 will block the impurity particles in the tail gas, and the impurity particles blocked by the blocking plate 2 will be scraped into the collection bin 14 by the scraping block 21 for centralized collection, and the bromine-containing tail gas filtered by the blocking plate 2 will reach the other side of the blocking plate 2, and pass through the interior of the installation bin 11 through the connecting pipe 111, and enter the interior of the recovery bin 12, and the staff needs to introduce the alkaline solution into the recovery bin 14. The bromine-containing tail gas entering the recovery bin 12 will enter the connecting pipe 31, and enter the active rod 3 through the connecting pipe 31. The bromine-containing tail gas entering the connecting pipe 31 will enter the flow cavity 33, and be discharged through the exhaust bin 34 opened at the bottom end of the stirring rod 32. At the same time, the driving motor installed in the installation bin 11 will drive the active rod 3 and the stirring rod 32 to rotate, and the active rod 3 will drive the blocking rod 4 to move synchronously when rotating. The outer side of the bottom of the blocking rod 4 is provided with teeth, so that the blocking rod 4 will drive the transmission gear 41 to rotate when rotating. The wheel 41 is meshed with the driven disk 42, so that the transmission gear 41 will drive the driven disk 42 to rotate when it rotates, and the driven disk 42 will drive the adapter rod 43 to rotate when it rotates, so that the stirring rod 32 and the adapter rod 43 can stir the alkaline solution by rotation, and the stirring rod 32 and the adapter rod 43 rotate in opposite directions, so that when the stirring rod 32 and the adapter rod 43 stir the alkaline solution, turbulence can be generated in the alkaline solution, thereby ensuring that the bromine-containing tail gas discharged into the alkaline solution can fully contact the alkaline solution, thereby completing the recovery effect of the bromine-containing tail gas. When the alkaline solution in the recovery bin 12 is saturated, an electric push rod is installed in the drainage bin 13, which will drive the The movable linkage seat 45, the support seat 44, the blocking rod 4 and other components move vertically, so that the blocking rod 4 moves to the connection between the active rod 3 and the stirring rod 32, so that the connection between the active rod 3 and the stirring rod 32 will be blocked, and the bromine-containing tail gas will not continue to be discharged through the exhaust bin 34, and the blocking block 451 fixed at the bottom end of the linkage seat 45 will cancel the blockage of the recovery bin 12 and the drainage bin 13, so that the saturated alkaline solution inside the recovery bin 12 will enter the drainage bin 13 and be discharged through the discharge port 17, and then the staff can introduce the alkaline solution into the recovery bin 12 again through the feed port 16, and the blocking rod 4 will move to its original position, and then continue to recover and process the bromine-containing tail gas.
Claims
1. A device for recovering bromine tail gas in bromine production, comprising a pre-treatment bin (1), characterized in that: The bottom end of the pre-treatment bin (1) is detachably connected to a mounting bin (11), the bottom end of the mounting bin (11) is detachably connected to a recovery bin (12), the bottom end of the recovery bin (12) is detachably connected to a drainage bin (13), the bottom end of the pre-treatment bin (1) is fixedly connected to a collection bin (14), the inner side of the pre-treatment bin (1) is fixedly connected to a blocking plate (2), one side of the blocking plate (2) is provided with a scraping block (21), a connecting pipe (111) is fixedly connected between the mounting bin (11) and the pre-treatment bin (1), an active rod (3) is rotatably provided inside the recovery bin (12), a connecting pipe (31) is provided on the outer side of the active rod (3), and stirring rods (32) are fixedly connected to both sides of the active rod (3), A flow chamber (33) is provided inside the active rod (3) and the stirring rod (32); an exhaust chamber (34) is provided at the bottom end of the stirring rod (32); a blocking rod (4) is slidably provided inside the active rod (3); a transmission gear (41) is rotatably provided on the outside of the blocking rod (4); a driven disk (42) is rotatably provided on the outside of the transmission gear (41); the transmission gear (41) and the driven disk (42) are meshed; an adapter rod (43) is fixedly connected to the outside of the driven disk (42); a support seat (44) is rotatably provided at the bottom end of the blocking rod (4); a linkage seat (45) is fixedly connected to the bottom end of the support seat (44); a blocking block (451) is fixedly connected to the bottom end of the linkage seat (45).
2. A device for recovering bromine tail gas in bromine production according to claim 1, characterized in that: A connection port (15) is fixedly connected to one side of the pre-treatment bin (1), a material inlet (16) is provided on one side of the recovery bin (12), and a material discharge port (17) is provided on one side of the drainage bin (13).
3. The device for recovering bromine tail gas in bromine production according to claim 1, characterized in that: A driving block (22) is fixedly connected to one side of the scraping block (21), and a threaded rod (23) is rotatably connected to the inner side of the driving block (22).
4. The device for recovering bromine tail gas in bromine production according to claim 1, characterized in that: The top end of the active rod (3) is fixedly connected to a central rotating shaft (35), and a guide groove (36) is provided inside the active rod (3).
5. The device for recovering bromine tail gas in bromine production according to claim 1, characterized in that: The bottom ends of the blocking rod (4), the transmission gear (41) and the driven disk (42) are all fixedly connected with an auxiliary block (46), and the auxiliary block (46) rotates inside the support seat (44).