Efficient reaction kettle for diazonium salt solution
By adopting the design of thermally conductive hydrothermal heating and mixing components in the chemical reactor, the problems of uneven reaction temperature and difficulty in pressure control are solved, and efficient reaction and safe production are achieved.
Patent Information
- Application Number
- CN202420884849.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-26
AI Technical Summary
In chemical production, the reaction temperature in the tubular reactor is difficult to control uniformly, resulting in low reaction efficiency and safety hazards, especially when the pressure is too high, it is not handled in time, which affects product quality and safety of use.
A high-efficiency reactor for diazonium salt solution was designed, which was heated by thermal conductivity and uniform heating and pressure monitoring through mixing components and early warning components. The motor drives the pulley and rotating shaft to drive the mixed blades to stir to ensure that the reaction liquid is heated evenly and passes through The PLC control terminal and solenoid valve achieve timely pressure relief.
The uniform heating of the reaction liquid is achieved, the reaction efficiency and product quality is improved, and the reaction safety is ensured, and the pressure is handled in a timely manner, which improves the user experience.
Smart Images
Figure CN222174095U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical production, in particular to a high-efficiency reaction kettle for diazonium salt solution. Background Art
[0002] As a key intermediate for synthesizing the acid dye 172 black, 6-nitro-1-diazo-2-hydroxy-4-naphthalenesulfonic acid is usually dissolved in an organic solvent at a ratio of 1:0.5-2%wt to obtain a diazonium salt solution for reaction preparation.
[0003] When preparing a diazonium salt solution through a tubular reactor, the reaction temperature in the reactor is difficult to control, which can easily lead to uneven heating of the solution in the tubular reactor, affecting the reaction efficiency and the quality of the product. In addition, during the production process, excessive pressure cannot be handled in time, and insufficient safety measures affect the user experience.
[0004] Therefore, a high-efficiency reactor for diazonium salt solution is proposed. Utility Model Content
[0005] The utility model aims to provide a high-efficiency reaction kettle for diazonium salt solution.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A high-efficiency reactor for a diazonium salt solution comprises: a reactor body, a tubular reactor is arranged in the reactor body, a feed pipe connected to the top of the tubular reactor is arranged on the side wall at the top of the reactor body, two quantitative pumps are arranged at the bottom of the feed pipe, a discharge pipe connected to the bottom of the tubular reactor is arranged on the side wall at the bottom of the reactor body, a heat transfer liquid is filled in the reactor body, and a heater is arranged at the bottom of the reactor body;
[0008] A mixing assembly is also provided at the top of the reactor body, and the mixing assembly includes two rotating shafts symmetrically mounted in the reactor body, and mixing blades are evenly fixedly mounted on the outer sides of the rotating shafts. The top ends of the two rotating shafts extend to the outside of the reactor body and are respectively fixedly connected with a first pulley and a second pulley, and a transmission belt is commonly sleeved on the first pulley and the second pulley.
[0009] Preferably, a motor is fixedly mounted on the top of the reactor body, and an output end of the motor is fixedly connected to the central axis of the second pulley.
[0010] Preferably, the two rotating shafts are respectively located on two sides of the tubular reactor.
[0011] Preferably, a water inlet pipe is connected to the top end of the reactor body, and a drain pipe is connected to the bottom end of the reactor body.
[0012] Preferably, the reactor body is also provided with an early warning component, which includes a pressure gauge arranged on the discharge pipe. A PLC control terminal is also fixedly installed on the reactor body, an alarm electrically connected to the pressure gauge is arranged on the side wall of the PLC control terminal, and a solenoid valve electrically connected to the PLC control terminal is also arranged on the discharge pipe.
[0013] Preferably, the PLC control terminal is electrically connected to the motor, the heater and the metering pump.
[0014] Preferably, three temperature sensors are arranged on the inner wall of the reactor body, and the three temperature sensors are respectively located at the top of the reactor body, the middle of the reactor body and the bottom of the reactor body.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. By setting a mixing component, the heat-conducting liquid in the reactor body can perform water bath heating on the reaction liquid in the tubular reactor. In the process of the heater heating the heat-conducting liquid, the second pulley can be driven to rotate by the motor. At this time, the second pulley can drive the first pulley to rotate simultaneously through the transmission belt. At this time, the first pulley and the second pulley can drive the two rotating shafts to rotate simultaneously in the reactor body. At this time, the mixing blades outside the rotating shaft can stir and mix the heat-conducting liquid in the reactor body, so that the heat-conducting liquid can be heated evenly during the heating process of the heater, and the heat-conducting liquid can be heated quickly, which can improve the heating efficiency of the heat-conducting liquid. At the same time, in the process of the heat-conducting liquid heating the reaction liquid in the tubular reactor, the tubular reactor can be heated evenly, which can improve the reaction efficiency, and at the same time, the synthesis quality of the reaction liquid can be guaranteed, which is beneficial to the production of products.
[0017] 2. By setting up the early warning component, during the reaction process of the reaction liquid in the tubular reactor, the pressure gauge at the discharge pipe can monitor the pressure in the tubular reactor. When the pressure in the tubular reactor exceeds the standard pressure, the alarm on the PLC control terminal can sound an alarm, which can promptly remind the staff to take corresponding measures. At the same time, the PLC control terminal can open the solenoid valve at the discharge pipe, so that the reaction liquid in the tubular reactor can be discharged, the pressure can be released in time, the safety of the reaction can be guaranteed, and the use effect can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall structure of the reactor body in the embodiment of the utility model;
[0019] Figure 2 This is a schematic diagram of the formal cross-sectional structure of the reactor body in the embodiment of the utility model;
[0020] Figure 3 It is a schematic diagram of the side cross-sectional structure of the reactor body in the embodiment of the utility model;
[0021] Figure 4 It is a schematic diagram of the structure of the motor output end in the embodiment of the utility model.
[0022] In the figure: 1. Reactor body; 2. Motor; 3. Water inlet pipe; 4. Alarm; 5. PLC control terminal; 6. Pressure gauge; 7. Discharge pipe; 8. Dosing pump; 9. Feed pipe; 10. Heater; 11. Drain pipe; 12. Tubular reactor; 13. Temperature sensor; 14. First pulley; 15. Mixing blade; 16. Rotating shaft; 17. Drive belt; 18. Second pulley. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0025] Embodiment 1:
[0026] See also Figures 1 to 4 A reactor, comprising: a reactor body 1, a tubular reactor 12 is arranged in the reactor body 1, a feed pipe 9 connected to the top of the tubular reactor 12 is arranged on the side wall of the top of the reactor body 1, two quantitative pumps 8 are arranged at the bottom of the feed pipe 9, a discharge pipe 7 connected to the bottom of the tubular reactor 12 is arranged on the side wall of the bottom of the reactor body 1, the reactor body 1 is filled with a heat transfer liquid, and a heater 10 is arranged at the bottom of the reactor body 1;
[0027] A mixing assembly is also provided at the top of the reactor body 1, and the mixing assembly includes two rotating shafts 16 symmetrically mounted in the reactor body 1, and mixing blades 15 are evenly fixedly mounted on the outer sides of the rotating shafts 16. The top ends of the two rotating shafts 16 extend to the outside of the reactor body 1 and are respectively fixedly connected to a first pulley 14 and a second pulley 18, and a transmission belt 17 is commonly sleeved on the first pulley 14 and the second pulley 18.
[0028] See also Figure 3 A motor 2 is fixedly installed on the top of the reactor body 1, and the output end of the motor 2 is fixedly connected to the central axis of the second pulley 18.
[0029] See also Figure 3 , the two rotating shafts 16 are respectively located on both sides of the tubular reactor 12.
[0030] See also Figure 2 The top end of the reactor body 1 is connected to a water inlet pipe 3, and the bottom end of the reactor body 1 is connected to a drain pipe 11.
[0031] In the present embodiment, when in use, the heat-conducting liquid in the reactor body 1 can perform water bath heating on the reaction liquid in the tubular reactor 12. In the process of the heater 10 heating the heat-conducting liquid, the motor 2 can drive the second pulley 18 to rotate. At this time, the second pulley 18 can drive the first pulley 14 to rotate simultaneously through the transmission belt 17. At this time, the first pulley 14 and the second pulley 18 can drive the two rotating shafts 16 to rotate simultaneously in the reactor body 1. At this time, the mixing blades 15 outside the rotating shaft 16 can stir and mix the heat-conducting liquid in the reactor body 1, so that the heat-conducting liquid can be heated evenly during the heating process of the heater 10, and the heat-conducting liquid can be heated quickly, which can improve the heating efficiency of the heat-conducting liquid. At the same time, in the process of the heat-conducting liquid heating the reaction liquid in the tubular reactor 12, the tubular reactor 12 can be heated evenly, which can improve the reaction efficiency, and at the same time, the synthesis quality of the reaction liquid can be guaranteed, which is beneficial to the production of the product.
[0032] Embodiment 2:
[0033] See also Figure 1 to Figure 2 , a high-efficiency reactor for diazonium salt solution, also includes: an early warning component arranged on the reactor body 1, the early warning component includes a pressure gauge 6 arranged on the discharge pipe 7, a PLC control terminal 5 is also fixedly installed on the reactor body 1, an alarm 4 electrically connected to the pressure gauge 6 is arranged on the side wall of the PLC control terminal 5, and an electromagnetic valve electrically connected to the PLC control terminal 5 is also arranged on the discharge pipe 7.
[0034] See also Figure 4 , the PLC control terminal 5 is electrically connected to the motor 2, the heater 10 and the metering pump 8.
[0035] See also Figure 4 Three temperature sensors 13 are arranged on the inner wall of the reactor body 1, and the three temperature sensors 13 are respectively located at the top of the reactor body 1, the middle of the reactor body 1 and the bottom of the reactor body 1.
[0036] In this embodiment, when in use, during the reaction process of the reaction liquid in the tubular reactor 12, the pressure gauge 6 at the discharge pipe 7 can monitor the pressure in the tubular reactor 12. When the pressure in the tubular reactor 12 exceeds the standard pressure, the alarm 4 on the PLC control terminal 5 can sound an alarm, and can promptly remind the staff to take corresponding measures. At the same time, the PLC control terminal 5 can open the solenoid valve at the discharge pipe 7, so that the reaction liquid in the tubular reactor 12 can be discharged, the pressure can be released in time, the safe progress of the reaction can be guaranteed, and the use effect can be improved.
[0037] Working principle: First, the reaction liquid is injected into the tubular reactor 12 in equal proportion through the two quantitative pumps 8 at the feed pipe 9, and then the heat-conducting liquid is injected into the reactor body 1 through the water inlet pipe 3. The heat-conducting liquid in the reactor body 1 can perform water bath heating on the reaction liquid in the tubular reactor 12. In the process of the heater 10 heating the heat-conducting liquid, the motor 2 can drive the second pulley 18 to rotate. At this time, the second pulley 18 can drive the first pulley 14 to rotate simultaneously through the transmission belt 17. At this time, the first pulley 14 and the second pulley 18 can drive the two rotating shafts 16 to rotate simultaneously in the reactor body 1. At this time, the mixing blades 15 outside the rotating shaft 16 can stir and mix the heat-conducting liquid in the reactor body 1, so that the heat-conducting liquid can be evenly heated during the heating process of the heater 10, and the heat-conducting liquid can be quickly heated up, which can improve the heating efficiency of the heat-conducting liquid. At the same time, when the heat-conducting liquid heats the reaction liquid in the tubular reactor 12, the mixing blades 15 outside the rotating shaft 16 can stir and mix the heat-conducting liquid in the reactor body 1. During the heating process, the tubular reactor 12 can be heated evenly, the reaction efficiency can be improved, and the synthesis quality of the reaction liquid can be guaranteed, which is beneficial to the production of the product. The three temperature sensors 13 in the reactor body 1 cooperate with each other to reflect the temperature of the heat-conducting liquid at different positions in the reactor body 1 in real time, which is convenient for users to adjust the temperature and ensure that the reaction liquid is at a suitable temperature. When in use, the reaction liquid in the tubular reactor 12 is in the reaction process, and the pressure gauge 6 at the discharge pipe 7 can monitor the pressure in the tubular reactor 12. When the pressure in the tubular reactor 12 exceeds the standard pressure, the alarm 4 on the PLC control terminal 5 can sound an alarm, which can promptly remind the staff to make corresponding treatment. At the same time, the PLC control terminal 5 can open the solenoid valve at the discharge pipe 7, so that the reaction liquid in the tubular reactor 12 can be discharged, the pressure can be released in time, the safe progress of the reaction can be ensured, and the use effect can be improved.
[0038] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A diazonium salt solution high-efficiency reactor, comprising: A reactor body (1), characterized in that: a tubular reactor (12) is arranged in the reactor body (1), a feed pipe (9) connected to the top of the tubular reactor (12) is arranged on the side wall at the top of the reactor body (1), two quantitative pumps (8) are arranged at the bottom of the feed pipe (9), a discharge pipe (7) connected to the bottom of the tubular reactor (12) is arranged on the side wall at the bottom of the reactor body (1), the reactor body (1) is filled with a heat transfer liquid, and a heater (10) is arranged at the bottom of the reactor body (1); The top of the reactor body (1) is also provided with a mixing assembly, which comprises two rotating shafts (16) symmetrically mounted in the reactor body (1), and mixing blades (15) are evenly fixedly mounted on the outer sides of the rotating shafts (16). The top ends of the two rotating shafts (16) extend outside the reactor body (1) and are respectively fixedly connected with a first belt pulley (14) and a second belt pulley (18), and a transmission belt (17) is commonly sleeved on the first belt pulley (14) and the second belt pulley (18).
2. A diazonium salt solution efficient reactor according to claim 1, characterized in that: A motor (2) is fixedly mounted on the top of the reactor body (1), and an output end of the motor (2) is fixedly connected to the central axis of the second pulley (18).
3. A diazonium salt solution efficient reactor according to claim 2, characterized in that: The two rotating shafts (16) are respectively located on two sides of the tubular reactor (12).
4. A diazonium salt solution efficient reactor according to claim 3, characterized in that: The top end of the reactor body (1) is connected to a water inlet pipe (3), and the bottom end of the reactor body (1) is connected to a drain pipe (11).
5. A diazonium salt solution efficient reactor according to claim 1, characterized in that: The reactor body (1) is also provided with an early warning component, which includes a pressure gauge (6) arranged on a discharge pipe (7). A PLC control terminal (5) is also fixedly mounted on the reactor body (1). An alarm (4) electrically connected to the pressure gauge (6) is arranged on the side wall of the PLC control terminal (5). The discharge pipe (7) is also provided with an electromagnetic valve electrically connected to the PLC control terminal (5).
6. A diazonium salt solution efficient reactor according to claim 5, characterized in that: The PLC control terminal (5) is electrically connected to the motor (2), the heater (10) and the metering pump (8).
7. A diazonium salt solution efficient reactor according to claim 6, characterized in that: Three temperature sensors (13) are arranged on the inner wall of the reactor body (1), and the three temperature sensors (13) are respectively located at the top of the reactor body (1), the middle of the reactor body (1) and the bottom of the reactor body (1).