Alkali fusion device for preparing phenolic compounds
By designing an adjustable stirring structure in the alkali melting device, the problem that the fixed stirring design cannot adapt to different reactant amounts and reaction stages is solved, efficient mixing and stirring of the reaction liquid is achieved, and the preparation efficiency of phenol compounds is improved.
Patent Information
- Application Number
- CN202421628114.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In the existing alkali melting device for preparing phenolic compounds, the fixed stirring design cannot efficiently adapt to the stirring needs of different reactant quantities and reaction stages, resulting in uneven reactions, increasing reaction time, reducing reaction rate and preparation efficiency.
An alkali melting device including a reactor body and a fixing frame is designed, and is equipped with an adjustable stirring structure. The stirring structure consists of a connecting shaft, a disc, a reciprocating screw and a stirring member. The disc is equipped with circular oblique holes and holes. The reciprocating screw drives the rotation of the disc and a stirring member to achieve effective stirring of the reaction liquid and liquid exchange.
Through the design of this device, the mixing efficiency and stirring rate of the reaction liquid are improved, the preparation time of the phenol compound is shortened, and the preparation efficiency is improved.
Smart Images
Figure CN222930808U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of phenolic compound mixing equipment, in particular to an alkali fusion device for preparing phenolic compounds. Background Art
[0002] Phenolic compounds, as basic organic synthesis intermediates, play an extremely important role. They are not only important components of many drugs, dyes, spices, plastics and synthetic resins, but also key raw materials for antioxidants, disinfectants and polymer additives. There are various traditional methods for preparing phenolic compounds, including sulfonation method, reduction method and oxidation method, etc. And the alkali fusion method, as a classic and efficient synthesis route, especially occupies an important position in large-scale industrial production.
[0003] The existing alkali fusion devices for preparing phenolic compounds usually include a reaction kettle, heating and cooling, stirring system, raw material supply, gas input, separation and purification, and recovery. The alkali fusion reaction is carried out in the reaction kettle. The reaction kettles in existing chemical preparations are relatively large in volume. In the reaction kettle, the stirring process is indispensable for realizing the alkali fusion reaction. The existing stirring structures are mainly fixed stirring designs, which cannot efficiently adapt to the stirring requirements of different amounts of reactants and reaction stages, resulting in uneven upper and lower reactions inside the reaction kettle, increasing the time for complete reaction and reducing the reaction rate of the alkali fusion reaction of phenolic compounds, and reducing the preparation efficiency to a certain extent.
[0004] Therefore, it is necessary to provide a new alkali fusion device for preparing phenolic compounds to solve the above technical problems. Summary of the Utility Model
[0005] To solve the above technical problems, the utility model provides an alkali fusion device for preparing phenolic compounds.
[0006] The alkali fusion device for preparing phenolic compounds provided by the utility model includes a reaction kettle body and a fixing frame, and a stirring structure is fixedly arranged between the reaction kettle body and the fixing frame;
[0007] The stirring structure includes a connecting shaft, a disc, a reciprocating lead screw and a stirring member. The connecting shaft is movably arranged inside the fixing frame. The reciprocating lead screw is fixedly arranged at the bottom of the connecting shaft. The stirring member is fixedly arranged at the bottom of the reciprocating lead screw. The disc is movably arranged on one side of the reciprocating lead screw. A plurality of circular inclined holes for adjusting the liquid injection direction are formed in the disc, and a plurality of circular holes are also formed.
[0008] Preferably, the fixing frame is fixedly arranged at the top end of the reaction kettle body, and a motor is fixedly arranged at the top end of the fixing frame. The bottom of the motor is fixedly connected with the top end of the connecting shaft.
[0009] Preferably, a sliding sleeve is movably arranged on one side of the reciprocating lead screw. The outer surface of the sliding sleeve is fixedly connected to the inside of the disc. A limiting block is fixedly arranged on one side of the disc. A limiting groove is formed inside the reaction kettle body. One end of the limiting block away from the disc movably extends into the limiting groove.
[0010] Preferably, the stirring member includes a connecting disc and a plurality of fan blades. The connecting disc is fixedly arranged at the bottom of the reciprocating lead screw. The plurality of fan blades are annularly and fixedly arranged on one side of the connecting disc.
[0011] Preferably, a feed interface is fixedly arranged at the top end of the reaction kettle body, and a heating device is fixedly arranged at the top end of the reaction kettle body.
[0012] Preferably, an inert gas inlet is fixedly arranged on the reaction kettle body.
[0013] Compared with the related art, the alkali fusion device for preparing phenolic compounds provided by the present invention has the following beneficial effects:
[0014] In the specific process of preparing phenolic compounds, after the staff puts the production raw materials into the reaction kettle, the staff drives the connecting shaft to rotate. The rotation of the connecting shaft drives the reciprocating lead screw connected thereto. The rotation of the reciprocating lead screw drives the up-and-down reciprocating movement of the disc. And the stirring member at the bottom of the reciprocating lead screw rotates to stir the reactants. At the same time, the movement of the disc drives the movement of part of the reaction liquid. And the reaction liquid passes through the circular holes and circular inclined holes on the disc to complete the exchange of the upper and lower parts of the reaction liquid, improving the mixing efficiency of the reaction liquid, increasing the stirring rate of the reaction liquid, and improving the preparation efficiency of phenolic compounds to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the complete structural schematic diagram of the alkali fusion device for preparing phenolic compounds provided by the present invention;
[0016] Figure 2 is Figure 1 the partial structural schematic diagram shown in;
[0017] Figure 3 is Figure 1 the structural schematic diagram of the stirring structure shown in;
[0018] Figure 4 is Figure 3 the partial structural schematic shown in Figure 1 ;
[0019] Figure 5 is Figure 3 the partial structural schematic shown in Figure 2 ;
[0020] Figure 6 isFigure 5 Schematic diagram of the sectional structure shown
[0021] Figure 7 is Figure 1 Schematic diagram of the sectional structure shown
[0022] Figure 8 is Figure 7 Enlarged schematic diagram at position A shown
[0023] Reference numerals in the figure: 1, reactor body; 2, fixing frame; 3, connecting shaft; 4, disc; 5, reciprocating lead screw; 6, circular inclined hole; 7, circular hole; 8, motor; 9, sliding sleeve; 10, connecting disc; 11, fan blade; 12, feed interface; 13, heating device; 14, inert gas input port; 15, limit block; 16, limit groove. Specific embodiments
[0024] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Please refer to Figures 1 - 8 , wherein Figure 1 is the complete structural schematic diagram of the alkali fusion device for preparing phenolic compounds provided by the present utility model Figure 2 is Figure 1 Schematic diagram of the partial structure shown Figure 3 is Figure 1 Schematic diagram of the stirring structure shown Figure 4 is Figure 3 Schematic diagram of the partial structure shown Figure 1 ; Figure 5 is Figure 3 Schematic diagram of the partial structure shown Figure 2 ; Figure 6 is Figure 5 Schematic diagram of the sectional structure shown Figure 7 is Figure 1 Schematic diagram of the sectional structure shown Figure 8 is Figure 7 Enlarged schematic diagram at position A shown
[0026] In the specific implementation process, such as Figures 1 - 8As shown in the figure, it includes a reactor body 1 and a fixing frame 2. A stirring structure is fixedly arranged between the reactor body 1 and the fixing frame 2. The stirring structure includes a connecting shaft 3, a disc 4, a reciprocating lead screw 5 and a stirring member. The connecting shaft 3 is movably arranged inside the fixing frame 2. The reciprocating lead screw 5 is fixedly arranged at the bottom of the connecting shaft 3. The stirring member is fixedly arranged at the bottom of the reciprocating lead screw 5. The disc 4 is movably arranged on one side of the reciprocating lead screw 5. A plurality of circular inclined holes 6 for adjusting the liquid spraying direction are formed in the disc 4, and a plurality of circular holes 7 are also formed. The fixing frame 2 is fixedly arranged at the top of the reactor body 1. A motor 8 is fixedly arranged at the top of the fixing frame 2. The bottom of the motor 8 is fixedly connected to the top of the connecting shaft 3. A sliding sleeve 9 is movably arranged on one side of the reciprocating lead screw 5. The outer surface of the sliding sleeve 9 is fixedly connected to the inside of the disc 4. A limiting block 15 is fixedly arranged on one side of the disc 4. A limiting groove 16 is formed inside the reactor body 1. One end of the limiting block 15 away from the disc 4 extends movably into the limiting groove 16. The stirring member includes a connecting disc 10 and a plurality of fan blades 11. The connecting disc 10 is fixedly arranged at the bottom of the reciprocating lead screw 5. The plurality of fan blades 11 are annularly and fixedly arranged on one side of the connecting disc 10. A feed interface 12 is fixedly arranged at the top of the reactor body 1. A heating device 13 is fixedly arranged at the top of the reactor body 1. An inert gas inlet 14 is fixedly arranged on the reactor body 1. The circular inclined holes 6 and the circular holes 7 accelerate the exchange of reaction substances in the upper and lower regions. The reciprocating lead screw 5 is used for the up and down movement of the disc 4. The limiting block 15 connects the disc 4 and the reactor body 1. The disc 4 is limited by the limiting groove 16. The top feed interface 12 is used for feeding reaction substances. The top heating device 13 is used for heating the internal reaction substances to improve the reaction efficiency.
[0027] The working principle provided by the present utility model is as follows: When the staff puts the reaction materials into the reactor, the staff turns on the motor 8. The motor 8 drives the connecting shaft 3 to rotate. The connecting shaft 3 drives the reciprocating lead screw 5 connected thereto to rotate. The rotation of the reciprocating lead screw 5 causes the sliding sleeve 9 sleeved on it to slide. The sliding sleeve 9 drives the disc 4 to perform up and down reciprocating motion. At the same time, the reciprocating lead screw 5 drives the connecting disc 10 at its bottom to rotate. The rotation of the connecting disc 10 drives the three fan blades 11 thereon to rotate. The rotation of the fan blades 11 drives the reaction liquid to stir. And the disc 4 exchanges the reaction liquid at the upper and lower parts through the circular inclined holes 6 and the circular holes 7, accelerating the reaction rate.
[0028] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated here.
[0029] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.
Claims
1. An alkali melting device for preparing phenolic compounds, characterized in that: It comprises a reactor body (1) and a fixing frame (2), wherein a stirring structure is fixedly arranged between the reactor body (1) and the fixing frame (2); The stirring structure comprises a connecting shaft (3), a disc (4), a reciprocating screw (5) and a stirring member, wherein the connecting shaft (3) is movably arranged inside a fixed frame (2), the reciprocating screw (5) is fixedly arranged at the bottom of the connecting shaft (3), the stirring member is fixedly arranged at the bottom of the reciprocating screw (5), the disc (4) is movably arranged at one side of the reciprocating screw (5), and the disc (4) is provided with a plurality of circular inclined holes (6) for adjusting the liquid spraying direction, and is also provided with a plurality of circular holes (7).
2. The alkali fusion device for preparing phenolic compounds according to claim 1, characterized in that: The fixing frame (2) is fixedly mounted on the top of the reactor body (1), a motor (8) is fixedly mounted on the top of the fixing frame (2), and the bottom of the motor (8) is fixedly connected to the top of the connecting shaft (3).
3. The alkali fusion device for preparing phenolic compounds according to claim 2, characterized in that: A sliding sleeve (9) is movably provided on one side of the reciprocating screw rod (5), the outer surface of the sliding sleeve (9) is fixedly connected to the inside of the disc (4), a limiting block (15) is fixedly provided on one side of the disc (4), a limiting groove (16) is provided inside the reactor body (1), and the limiting block (15) movably extends from one end of the disc (4) to the inside of the limiting groove (16).
4. The alkali fusion device for preparing phenolic compounds according to claim 3, characterized in that: The stirring member comprises a connecting disk (10) and a plurality of blades (11); the connecting disk (10) is fixedly arranged at the bottom of the reciprocating screw rod (5); and the plurality of blades (11) are annularly fixedly arranged at one side of the connecting disk (10).
5. The alkali fusion device for preparing phenolic compounds according to claim 4, characterized in that: A feed interface (12) is fixedly provided at the top of the reactor body (1), and a heating device (13) is fixedly provided at the top of the reactor body (1).
6. The alkali fusion device for preparing phenolic compounds according to claim 5, characterized in that: The reactor body (1) is fixedly provided with an inert gas input port (14).