Bromination reaction tail gas treatment device
By designing a detachable red phosphorus reaction vessel and a water turbine agitation, the problem of inconvenient replacement of the red phosphorus reaction tank was solved, improving the practicality and treatment efficiency of the bromination reaction tail gas treatment device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-13
AI Technical Summary
In existing bromination reaction tail gas treatment devices, the red phosphorus reaction tank is inconvenient to replace and lacks practicality.
A red phosphorus reaction vessel that can be easily loaded and unloaded was designed. Through the detachable connection of the external threaded port, internal threaded cover and red phosphorus mesh cylinder, combined with the setting of water turbine agitation and observation window, the reaction state can be controlled and processed.
This improved the practicality of the reaction tail gas treatment device, facilitated the replacement of red phosphorus and the monitoring of the reaction status, and enhanced the treatment efficiency.
Smart Images

Figure CN223988324U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of bromination reaction, specifically to a bromination reaction tail gas treatment device. Background Technology
[0002] Bromination is a common type of reaction in organic chemistry, referring to the process in which hydrogen or halogen atoms in an organic compound molecule are replaced by bromine atoms to form a bromine-containing compound.
[0003] The tail gas generated in this reaction needs to be treated accordingly. There is an existing bromination reaction tail gas treatment device, such as the one with patent publication number CN216703922U, which achieves effective treatment of bromine in the bromination reaction tail gas by preheating, red phosphorus adsorption, alkaline washing, water absorption and odor treatment before discharge.
[0004] In this scheme, the red phosphorus reaction vessel is a common vessel, which is inconvenient to replace and therefore not practical. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides a bromination reaction tail gas treatment device with a red phosphorus reaction vessel that can be easily loaded and unloaded, facilitating control of the reaction state and improving practicality.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a bromination reaction tail gas treatment device, comprising a reaction tank, an external threaded port, an inlet pipe, an outlet pipe, an internal threaded cover, an external threaded head, an internal threaded sleeve, a red phosphorus mesh cylinder, an on / off valve, and a drain pipe. The top middle of the reaction tank is connected to the bottom end of the external threaded port. The outer side of the external threaded port is detachably screwed to the inner side of the internal threaded cover. The top end of the inner threaded cover is connected to the top end of the external threaded head. The outer wall of the external threaded head is detachably screwed to the inner wall of the internal threaded sleeve. The bottom side of the internal threaded sleeve is connected to the top side of the red phosphorus mesh cylinder. An inlet pipe is provided on the front side of the top of the reaction tank, with the outlet end extending into the bottom side of the inside of the reaction tank. An outlet pipe is provided on the rear side of the top of the reaction tank, with the inlet end extending into the upper side of the inside of the reaction tank. The lower middle part of the rear side of the reaction tank is connected to the inner side of the on / off valve. A drain pipe is provided on the outer side of the on / off valve.
[0009] Preferably, the reactor also includes a speed reducer, a drive motor, and a water turbine. The bottom middle of the reaction tank is connected to the top of the speed reducer, the output end of the drive motor is connected to the input end of the speed reducer, and the output end of the speed reducer is connected to the bottom middle of the water turbine.
[0010] Preferably, it also includes support legs and a fixed base, with the three corners of the bottom of the reaction vessel connected to the top of a set of support legs, and the bottom of each set of support legs connected to the middle of the top of a set of fixed bases.
[0011] Preferably, it also includes a first handle and a second handle, wherein one side of the outer end of the internal threaded cover is connected to the inner side of the first handle, and one side of the outer end of the internal threaded sleeve is connected to the inner side of the second handle.
[0012] Preferably, it also includes an observation window, with the inner side of the observation window connected to the middle of the front side of the reaction vessel.
[0013] Preferably, it also includes an information board, with the upper rear side of the reaction vessel connected to the inner side of the information board.
[0014] (III) Beneficial Effects
[0015] Compared with the prior art, the present invention provides a bromination reaction tail gas treatment device, which has the following beneficial effects:
[0016] Water can be injected into the reaction vessel through the external threaded port, allowing the outlet end of the gas inlet pipe to extend into the water while the outlet end remains above the water surface. Solid red phosphorus can be placed inside the red phosphorus mesh tube. The internal threaded sleeve of the red phosphorus mesh tube is screwed onto the outside of the external threaded head, fixing the red phosphorus mesh tube relative to the internal threaded cap. Then, the internal threaded cap is screwed onto the outside of the external threaded port, sealing it. During use, exhaust gas enters through the inlet pipe and then into the water, where it reacts with the solid red phosphorus. The resulting hydrogen bromide is discharged through the outlet pipe for further treatment. After use, the valve can be opened to drain wastewater through the drain pipe. The red phosphorus reaction vessel is designed for easy loading and unloading, facilitating control of the reaction state and improving practicality. Attached Figure Description
[0017] Figure 1 This is an axial view illustrating the structure of this utility model.
[0018] Figure 2 This utility model Figure 1 The right view;
[0019] Figure 3 This utility model Figure 1 Rear view;
[0020] Figure 4 This utility model Figure 3 Right view of section A.
[0021] The attached diagram is labeled as follows: 1. Reaction vessel; 2. External threaded port; 3. Inlet pipe; 4. Outlet pipe; 5. Internal threaded cap; 6. External threaded head; 7. Internal threaded sleeve; 8. Red phosphorus mesh tube; 9. On / off valve; 10. Drain pipe; 11. Reducer; 12. Drive motor; 13. Water turbine; 14. Support leg; 15. Fixed base; 16. Handle plate one; 17. Handle plate two; 18. Observation window; 19. Information board. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example
[0024] Please see Figure 1-4 A bromination reaction tail gas treatment device includes a reaction tank 1, an external threaded port 2, an inlet pipe 3, an outlet pipe 4, an internal threaded cover 5, an external threaded head 6, an internal threaded sleeve 7, a red phosphorus mesh cylinder 8, an on / off valve 9, and a drain pipe 10. The top middle of the reaction tank 1 is connected to the bottom end of the external threaded port 2. The outer side of the external threaded port 2 is detachably screwed to the inner side of the internal threaded cover 5. The top end of the inner threaded cover 5 is connected to the top end of the external threaded head 6. The outer wall of the external threaded head 6 is detachably screwed to the inner wall of the internal threaded sleeve 7. The bottom side of the internal threaded sleeve 7 is connected to the top side of the red phosphorus mesh cylinder 8. An inlet pipe 3 is provided on the front side of the top of the reaction tank 1, and the outlet end of the inlet pipe 3 extends into the bottom side of the interior of the reaction tank 1. An outlet pipe 4 is provided on the rear side of the top of the reaction tank 1, and the inlet end of the outlet pipe 4 extends into the upper side of the interior of the reaction tank 1. The middle and lower part of the rear side of the reaction tank 1 The valve 9 is connected to the inside of the on / off valve, and the valve 9 is connected to the outside of the drain pipe 10. Water can be injected into the reaction tank 1 through the external threaded port 2, so that the output end of the gas inlet pipe 3 extends into the water and the output end of the gas outlet pipe 4 is above the water surface. Solid red phosphorus can be placed in the red phosphorus mesh tube 8. The internal threaded sleeve 7 of the red phosphorus mesh tube 8 is rotated and screwed onto the outside of the external threaded head 6, so that the red phosphorus mesh tube 8 is fixed relative to the internal threaded cover 5. Then, the internal threaded cover 5 is rotated and screwed closed onto the outside of the external threaded port 2, so that the internal threaded cover 5 is sealed outside the external threaded port 2. During use, the exhaust gas enters through the gas inlet pipe 3 and enters the water. The red phosphorus solid reacts, and the hydrogen bromide formed is discharged through the gas outlet pipe 4 for subsequent treatment. After use, the on / off valve 9 can be opened and the wastewater can be discharged through the drain pipe 10.
[0025] It also includes a speed reducer 11, a drive motor 12, and a water turbine 13. The bottom middle of the reaction tank 1 is connected to the top of the speed reducer 11, the output end of the drive motor 12 is connected to the input end of the speed reducer 11, and the output end of the speed reducer 11 is connected to the bottom middle of the water turbine 13. During the reaction, the drive motor 12 runs and the speed reducer 11 slows down the water turbine 13, which in turn rotates the water turbine 13. The water turbine 13 agitates the water, thereby accelerating the reaction and improving its practicality.
[0026] It also includes support legs 14 and fixed bases 15. The three corners of the bottom of the reaction vessel 1 are respectively connected to the top of a set of support legs 14, and the bottom of each set of support legs 14 is respectively connected to the middle of the top of a set of fixed bases 15. The three sets of fixed bases 15 are fixed to the ground, and the support legs 14 can support the reaction vessel 1 to improve stability.
[0027] It also includes handle plate 16 and handle plate 2 17. The outer end of the inner threaded cover 5 is connected to the inner side of handle plate 16, and the outer end of the inner threaded sleeve 7 is connected to the inner side of handle plate 2 17. By shaking handle plate 16, the inner threaded cover 5 can be rotated and moved. By applying force in opposite directions to handle plate 16 and handle plate 2 17, the inner threaded sleeve 7 can be rotated and screwed in, which is convenient for installation and removal.
[0028] It also includes an observation window 18, which is connected to the inner side of the front middle of the reaction vessel 1; the situation can be observed from the outside to the inside through the observation window 18, which facilitates timely judgment and handling.
[0029] It also includes an information board 19, which is connected to the inner side of the upper rear side of the reaction vessel 1; the information board 19 can display information about the device, making it easier to read and use, and improving convenience.
[0030] In summary, when using a bromination reaction tail gas treatment device, it is fixed to the ground by three sets of fixed bases 15, and the reaction tank 1 can be supported by support legs 14. Water can be injected into the reaction tank 1 through the external threaded port 2, so that the output end of the inlet pipe 3 extends into the water, and the output end of the outlet pipe 4 is above the water surface. Solid red phosphorus can be placed inside the red phosphorus mesh cylinder 8. By shaking the first handle 16, the internal threaded cover 5 can be rotated. Furthermore, by applying opposing forces to the first handle 16 and the second handle 17, the internal threaded sleeve 7 can be rotated and screwed onto the outside of the external threaded head 6, fixing the red phosphorus mesh cylinder 8 relative to the internal threaded cover 5. Then, the internal threaded cover 5 is rotated and screwed... The internal thread cover 5 is sealed outside the external threaded opening 2. During use, the exhaust gas enters through the air inlet pipe 3 and then into the water, where it reacts with the solid red phosphorus. During the reaction, the drive motor 12 runs and the reducer 11 slows down the water turbine 13, which in turn rotates the water turbine 13. The water turbine 13 agitates the water, thereby accelerating the reaction. The hydrogen bromide formed is discharged through the exhaust pipe 4 for further treatment. The situation can be observed from the outside to the inside through the observation window 18, which facilitates timely judgment and treatment. After use, the on / off valve 9 can be opened to discharge wastewater through the drain pipe 10. In addition, the information board 19 displays information about the device, which is convenient for reading and assisting in use, thus improving convenience.
[0031] The reducer 11 and drive motor 12 are commercially available devices known to those skilled in the art. We are simply using them here without making any structural or functional improvements, and we will not elaborate further here.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A bromination reaction off-gas treatment apparatus characterized by comprising: The utility model provides a reaction tank, outer thread mouth, air inlet pipe, air outlet pipe, inner thread cover, outer thread head, inner thread sleeve, red phosphorus net cylinder, open and close valve and drain pipe, the reaction tank (1) top end middle part is linked with the bottom end of outer thread mouth (2), and the outside of outer thread mouth (2) is detachably screw -fitted with the inside of inner thread cover (5), and the inside top of inner thread cover (5) is connected with the top of outer thread head (6), and the outer wall of outer thread head (6) is detachably screw -fitted with the inner wall of inner thread sleeve (7), and the bottom side of inner thread sleeve (7) is linked with the top side of red phosphorus net cylinder (8), and the top end front side of reaction tank (1) is provided with air inlet pipe (3), and the output end of air inlet pipe (3) extends to the inside bottom side of reaction tank (1), and the top end rear side of reaction tank (1) is provided with air outlet pipe (4), and the input end of air outlet pipe (4) extends to the inside upper side of reaction tank (1), and the rear side middle lower part of reaction tank (1) is linked with the inside of open and close valve (9), and the outside of open and close valve (9) is connected with the drain pipe (10) of setting.
2. A bromine reaction off-gas treatment device according to claim 1, characterized in that: It also includes speed reducer (11), drive motor (12) and water turbine (13), the bottom end middle part of reaction tank (1) is connected with the top end of speed reducer (11), the output end of drive motor (12) is connected with the input end of speed reducer (11), and the output end of speed reducer (11) is connected with the bottom end middle part of water turbine (13).
3. The bromination reaction off-gas treatment device according to claim 1, characterized by: It also includes support leg (14) and fixed base (15), the bottom end three corner sides of reaction tank (1) are connected with the top end of a group of support leg (14) respectively, and the bottom end of each group of support leg (14) is connected with the top end middle part of a group of fixed base (15) respectively.
4. The bromination reaction off-gas treatment device according to claim 1, characterized by: It also includes handle one (16) and handle two (17), the outer end one side of inner thread cover (5) is connected with the inside of handle one (16), and the outer end one side of inner thread sleeve (7) is connected with the inside of handle two (17).
5. The bromine tail gas treatment apparatus according to claim 1, wherein: It also includes observation window (18), and the front side middle part of reaction tank (1) is connected with the inside of observation window (18).
6. The bromine tail gas treatment apparatus according to claim 1, wherein: It also includes information board (19), and the rear side upper part of reaction tank (1) is connected with the inside of information board (19).