Continuous preparation device of 3-oxetane methanol
By designing the feeding and preparation mechanism of the continuous preparation device, the problem of the ratio of butylene oxide and water is not adjusted, and the uniform preparation of 3-oxetane methanol is achieved.
Patent Information
- Application Number
- CN202421197512.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-29
AI Technical Summary
During the preparation of 3-oxetane methanol, the ratio of butylene oxide to water is prone to imbalance, resulting in uneven preparation.
A continuous preparation device is designed, including a feeding mechanism and a preparation mechanism. The feeding mechanism rotates in the feeding barrel through the driving rod, support rod and mixing rod to ensure the mixing of butylene oxide and water; the preparation mechanism uses the S-shaped production box and connection box to increase the reaction path and ensure uniform reaction.
Through this device, the uniform ratio of butylene oxide and water can be effectively ensured, and the preparation effect of 3-oxetane methanol can be improved.
Smart Images
Figure CN222658659U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3-oxetane methanol preparation equipment, in particular to a continuous preparation device for 3-oxetane methanol. Background Art
[0002] 3-Oxetanemethanol (also known as ethanol oxide oxirane) has many uses in the chemical industry and synthesis fields. For example, in drug synthesis, it may be used as an intermediate for the synthesis of complex pharmaceutical compounds;
[0003] When 3-oxetane methanol is prepared, butylene oxide and water are usually reacted. When butylene oxide and water are reacted, butylene oxide and water are transported to a preparation device in an appropriate ratio, and a catalyst is added to the mixture so that the mixture of butylene oxide and water forms a reaction mixture carrying 3-oxetane methanol, and 3-oxetane methanol is subsequently separated by a separation device;
[0004] In the actual preparation process of the above-mentioned 3-oxetane methanol, it was found that although butylene oxide and water were transported in proportion when they were transported to the interior of the preparation device, butylene oxide and water were prone to imbalance in proportion during the reaction, such as different proportions of butylene oxide and water in different regions.
[0005] In summary, there is currently a need for a preparation device that is convenient for uniformly preparing 3-oxetane methanol. Utility Model Content
[0006] In view of the deficiencies in the prior art, the utility model provides a continuous preparation device for 3-oxetane methanol, which solves the problems mentioned in the background technology.
[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] A continuous preparation device for 3-oxetane methanol comprises a preparation box, wherein a preparation mechanism for preparing 3-oxetane methanol is arranged inside the preparation box, a feeding mechanism for adding butylene oxide and water is arranged on the top of the preparation box, and a feeding component for adding a catalyst is arranged outside the preparation mechanism;
[0009] The feeding mechanism comprises a feeding cylinder, a feeding tube, a motor 1, a driving rod, a supporting rod and a mixing rod. The feeding cylinder is arranged at the top of the preparation box, two feeding tubes are arranged outside the feeding cylinder, a motor 1 is arranged at the top of the feeding cylinder, a driving rod is arranged at the output end of the motor 1, a supporting rod and a mixing rod are arranged outside the driving rod, and the supporting rod and the mixing rod are arranged in a ring outside the driving rod in multiple groups, and a feeding tube is arranged at the bottom of the feeding cylinder, and the feeding tube is connected with the preparation mechanism;
[0010] The preparation mechanism includes a preparation box, a connecting box and a discharge pipe. The preparation box is fixed inside the preparation box, a connecting box is provided at the end of the preparation box, multiple preparation boxes are provided inside the preparation box, and connecting boxes are provided at the ends of multiple preparation boxes. The preparation boxes and the connecting boxes are distributed in an S shape, the preparation boxes are connected to the inside of the connecting boxes, the preparation box located on the upper inner side of the preparation box is connected to the discharge pipe, and the end of the preparation box located on the lower inner side of the preparation box is provided with a discharge pipe, and the discharge pipe extends to the outside of the preparation box.
[0011] Furthermore, the preparation mechanism also includes an installation box and a heating rod. A plurality of heating rods are arranged on the inner side of the installation box. A plurality of heating rods are arranged inside the installation box. A plurality of installation boxes and heating rods are arranged in a plurality of groups inside the preparation box. The plurality of installation boxes and heating rod arrays are distributed on the outer sides of a plurality of preparation boxes.
[0012] Furthermore, a liquid pump is provided on the outside of the preparation box, a cooling pipe is provided at the water outlet of the liquid pump, the cooling pipe is located inside the preparation box, and the cooling pipes are distributed at equal intervals inside the preparation box.
[0013] Furthermore, the feeding assembly includes a feeding pipe, a diverter pipe, a diverter box and a nozzle. The feeding pipe is located outside the preparation box. Multiple diverter pipes are provided on the outside of the feeding pipe. A diverter box is provided at one end of the diverter pipe away from the feeding pipe. A nozzle is provided on the bottom of the diverter box, and the nozzle is connected to the inside of the preparation box.
[0014] Furthermore, the diverter tubes and diverter boxes are provided in multiple groups, the multiple groups of diverter tubes are arranged at intervals outside the preparation box, and multiple nozzles are distributed at equal intervals on the bottom surface of the diverter box.
[0015] Furthermore, a mixing mechanism is provided inside the preparation box, and the mixing mechanism is arranged corresponding to the diversion box. The mixing mechanism includes a stirring rod, a second motor and a mixing plate. The stirring rod is provided inside the preparation box, and the stirring rod is rotatably connected to the preparation box. A mixing plate is provided outside the stirring rod, and multiple groups of mixing plates are distributed in a circle outside the stirring rod. The second motor is provided outside the preparation box, and the output end of the second motor is fixedly connected to the stirring rod.
[0016] The utility model provides a continuous preparation device for 3-oxetane methanol. Compared with the prior art, it has the following beneficial effects:
[0017] By rotating the driving rod, supporting rod and mixing rod in the feeding mechanism inside the feeding barrel, the butylene oxide and water can be mixed and stirred when entering the feeding barrel to ensure that the butylene oxide and water can be mixed and enter the preparation mechanism for reaction, which is beneficial to ensure the reaction effect of butylene oxide and water. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 The utility model shows a structural schematic diagram of a continuous preparation device for 3-oxetane methanol;
[0020] Figure 2 The utility model is shown as a schematic diagram of the overall side view of the structure;
[0021] Figure 3 A schematic diagram of the cross-sectional structure of the overall side view of the utility model is shown;
[0022] Figure 4 The schematic diagram of the structure of the feeding assembly of the utility model is shown;
[0023] Figure 5 The schematic diagram of the structure of the mixing mechanism of the utility model is shown;
[0024] Figure 6 The utility model is shown Figure 3 The enlarged structural diagram at A in the middle;
[0025] As shown in the figure: 1. Preparation box; 2. Preparation mechanism; 21. Preparation box; 22. Connection box; 23. Installation box; 24. Heating rod; 25. Discharge pipe; 3. Feeding mechanism; 31. Feeding cylinder; 32. Feeding pipe; 33. Motor 1; 34. Driving rod; 35. Support rod; 36. Mixing rod; 37. Feeding pipe; 4. Feeding assembly; 41. Feeding pipe; 42. Diverter pipe; 43. Diverter box; 44. Nozzle; 5. Mixing mechanism; 51. Agitator rod; 52. Motor 2; 53. Mixing plate; 6. Liquid pump; 61. Cooling pipe. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0027] Embodiment 1:
[0028] In order to solve the technical problems in the background technology, a continuous preparation device of 3-oxetane methanol is provided as follows:
[0029] Combination Figure 1-Figure 6 As shown, the utility model provides a continuous preparation device of 3-oxetane methanol, including a preparation box 1, a preparation mechanism 2 for preparing 3-oxetane methanol is arranged inside the preparation box 1, a feeding mechanism 3 for adding butylene oxide and water is arranged on the top of the preparation box 1, the feeding mechanism 3 can mix butylene oxide and water and then send them into the preparation mechanism 2, and a feeding component 4 for adding catalyst is arranged on the outside of the preparation mechanism 2; the feeding mechanism 3 includes a feeding cylinder 31, a feeding pipe 32, a motor 33, a driving rod 34, a supporting rod 35 and a mixing rod 36, the feeding cylinder 31 is arranged on the top of the preparation box 1, two feeding pipes 32 are arranged on the outside of the feeding cylinder 31, a motor 33 is arranged on the top of the feeding cylinder 31, and the motor 33 is arranged on the outside of the feeding cylinder 31. A driving rod 34 is provided at the output end of the feeding tube 33, and a supporting rod 35 and a mixing rod 36 are provided on the outside of the driving rod 34. There are multiple groups of supporting rods 35 and mixing rods 36 arranged in a circle on the outside of the driving rod 34. A feeding tube 37 is provided at the bottom of the feeding tube 31, and the feeding tube 37 is connected with the preparation mechanism 2. The motor 33 inside the feeding mechanism 3 can drive the driving rod 34, the supporting rod 35 and the mixing rod 36 to rotate inside the feeding tube 31. The rotating supporting rod 35 and the mixing rod 36 can mix and disperse the butylene oxide and the water when the butylene oxide and the water enter the feeding tube 31, so as to ensure that the butylene oxide and the water can be mixed and enter the preparation mechanism 2 for reaction, which is conducive to ensuring the reaction effect of the butylene oxide and the water.
[0030] The preparation mechanism 2 includes a preparation box 21, a connecting box 22 and a discharge pipe 25. The preparation box 21 is fixedly arranged inside the preparation box 1. The end of the preparation box 21 is provided with a connection box 22. A plurality of preparation boxes 21 are provided inside the preparation box 1. The ends of the plurality of preparation boxes 21 are all provided with a connection box 22. The preparation boxes 21 and the connection boxes 22 are distributed in an S shape. The preparation boxes 21 and the connection boxes 22 are internally connected. The preparation box 21 located at the upper inner side of the preparation box 1 is connected with the discharge pipe 37. The end of the preparation box 21 located at the lower inner side of the preparation box 1 is provided with a discharge pipe 25. The discharge pipe 25 extends to the outside of the preparation box 1. The S-shaped preparation boxes 21 and the connection boxes 22 can increase the flow reaction path of butylene oxide and water inside the preparation mechanism 2, so as to achieve the purpose of continuous preparation of 3-oxetane methanol by the preparation mechanism 2.
[0031] In this embodiment, the preparation mechanism 2 also includes a mounting box 23 and a heating rod 24. A plurality of heating rods 24 are arranged inside the mounting box 23. A plurality of heating rods 24 are arranged inside the mounting box 23. A plurality of mounting boxes 23 and heating rods 24 are arranged inside the preparation box 1. A plurality of mounting boxes 23 and heating rods 24 are arranged in an array outside a plurality of preparation boxes 21. The plurality of mounting boxes 23 and heating rods 24 can heat and control the temperature of the preparation mechanism 2, so as to control the reaction preparation environment inside the preparation mechanism 2.
[0032] In this embodiment, a liquid pump 6 is provided outside the preparation box 1, and a cooling pipe 61 is provided at the water outlet of the liquid pump 6. The cooling pipe 61 is located inside the preparation box 21, and the cooling pipes 61 are evenly spaced inside the preparation box 21.
[0033] The liquid pump 6 can deliver cooling liquid into the cooling pipe 61 to cool the preparation mechanism 2 and control the temperature thereof, and cooperate with the installation box 23 and the heating rod 24 to heat and control the temperature of the preparation mechanism 2, so as to control the reaction preparation environment inside the preparation mechanism 2 to a state suitable for the reaction of butylene oxide and water.
[0034] Embodiment 2:
[0035] like Figure 1-Figure 5 As shown, based on the above embodiment, this embodiment further provides the following contents:
[0036] In order to enable butylene oxide and water to react efficiently to prepare 3-oxetane methanol, this embodiment provides the following design:
[0037] The feeding assembly 4 includes a feeding pipe 41, a shunt pipe 42, a shunt box 43 and a nozzle 44. The feeding pipe 41 is located outside the preparation box 1. A plurality of shunt pipes 42 are arranged outside the feeding pipe 41. A shunt box 43 is arranged at one end of the shunt pipe 42 away from the feeding pipe 41. A nozzle 44 is arranged on the bottom surface of the shunt box 43. The nozzle 44 is connected to the inside of the preparation box 21. The shunt box 43 and the nozzle 44 arranged in the feeding assembly 4 can guide the catalyst fed by the feeding pipe 41 and the shunt pipe 42 to the inside of the preparation box 21 to contact and mix with the mixture of butylene oxide and water, so as to assist butylene oxide and water in preparing 3-oxetane methanol;
[0038] In this embodiment, multiple groups of diverter tubes 42 and diverter boxes 43 are provided, and the multiple groups of diverter tubes 42 are arranged at intervals outside the preparation box 21, and multiple nozzles 44 are evenly distributed on the bottom surface of the diverter box 43. The arrangement of the multiple groups of diverter tubes 42 and the diverter box 43 can continuously add the catalyst multiple times during the flow preparation process of butylene oxide and water, so as to maintain the preparation efficiency of butylene oxide and water;
[0039] In this embodiment, a mixing mechanism 5 is provided inside the preparation box 21, and the mixing mechanism 5 is arranged corresponding to the diversion box 43. The mixing mechanism 5 includes a stirring rod 51, a second motor 52 and a mixing plate 53. The stirring rod 51 is arranged inside the preparation box 21, and the stirring rod 51 is rotatably connected to the preparation box 21. A mixing plate 53 is provided on the outside of the stirring rod 51, and multiple groups of mixing plates 53 are distributed in a circle outside the stirring rod 51. The second motor 52 is arranged on the outside of the preparation box 21, and the output end of the second motor 52 is fixedly connected to the stirring rod 51. The stirring rod 51 and the mixing plate 53 arranged in the mixing mechanism 5 can stir the catalyst when the catalyst enters the preparation box 21, so that the catalyst and the mixture formed by butylene oxide and water are quickly mixed, thereby ensuring the catalytic effect of the catalyst.
[0040] The working principle and use process of this utility model:
[0041] When using:
[0042] First, butylene oxide and water are fed into the feeding tube 31 in proportion through the feeding tube 32, and then the motor 33 drives the driving rod 34, the supporting rod 35 and the mixing rod 36 to rotate. The rotating driving rod 34, the supporting rod 35 and the mixing rod 36 can mix and stir the butylene oxide and the water. After the butylene oxide and the water are mixed, they are fed into the S-shaped preparation box 21 and the connecting box 22 inside the preparation mechanism 2 through the feeding tube 37 for flow reaction. After the reaction preparation is completed, the reaction material carrying 3-oxetane methanol will be discharged from the device through the discharge pipe 25, and finally the 3-oxetane methanol will be separated by the separation equipment;
[0043] During the reaction:
[0044] When the mixture of butylene oxide and water flows and reacts in the preparation box 21, the feed pipe 41 in the feed assembly 4 delivers the catalyst into the preparation box 21 through the diverter pipe 42, the diverter box 43 and the nozzle 44 to contact and mix with the mixture of butylene oxide and water. The arrangement of the multi-component diverter box 43 and the nozzle 44 can continuously add the catalyst to the flowing mixture, thereby maintaining the reaction preparation effect of butylene oxide and water.
[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A continuous preparation device for 3-oxetane methanol, characterized in that: The invention comprises a preparation box (1), wherein a preparation mechanism (2) for preparing 3-oxetane methanol is arranged inside the preparation box (1), a feeding mechanism (3) for adding butylene oxide and water is arranged on the top of the preparation box (1), and a feeding assembly (4) for adding a catalyst is arranged outside the preparation mechanism (2); The feeding mechanism (3) comprises a feeding cylinder (31), a feeding tube (32), a motor (33), a driving rod (34), a support rod (35) and a mixing rod (36); the feeding cylinder (31) is arranged at the top of the preparation box (1); two feeding tubes (32) are arranged outside the feeding cylinder (31); a motor (33) is arranged at the top of the feeding cylinder (31); a driving rod (34) is arranged at the output end of the motor (33); a support rod (35) and a mixing rod (36) are arranged outside the driving rod (34); a plurality of support rods (35) and a mixing rod (36) are arranged in a ring outside the driving rod (34); a feeding tube (37) is arranged at the bottom of the feeding cylinder (31); and the feeding tube (37) is communicated with the preparation mechanism (2); The preparation mechanism (2) comprises a preparation box (21), a connection box (22) and a discharge pipe (25); the preparation box (21) is fixedly arranged inside the preparation box (1); a connection box (22) is provided at the end of the preparation box (21); a plurality of preparation boxes (21) are provided inside the preparation box (1); a connection box (22) is provided at the end of each of the plurality of preparation boxes (21); the preparation boxes (21) and the connection boxes (22) are distributed in an S shape; the preparation boxes (21) and the connection boxes (22) are internally connected; the preparation box (21) located at the upper inner side of the preparation box (1) is connected to the discharge pipe (37); the end of the preparation box (21) located at the lower inner side of the preparation box (1) is provided with a discharge pipe (25); and the discharge pipe (25) extends to the outside of the preparation box (1).
2. A continuous preparation device for 3-oxetane methanol according to claim 1, characterized in that: The preparation mechanism (2) further comprises a mounting box (23) and a heating rod (24); a plurality of heating rods (24) are arranged inside the mounting box (23); a plurality of heating rods (24) are arranged inside the mounting box (23); a plurality of mounting boxes (23) and heating rods (24) are arranged in a plurality of groups inside the preparation box (1); and a plurality of groups of mounting boxes (23) and heating rods (24) are arranged in an array outside a plurality of preparation boxes (21).
3. A continuous preparation device for 3-oxetane methanol according to claim 1, characterized in that: A liquid pump (6) is provided outside the preparation box (1), a cooling pipe (61) is provided at the water outlet of the liquid pump (6), the cooling pipe (61) is located inside the preparation box (21), and the cooling pipes (61) are distributed at equal intervals inside the preparation box (21).
4. A continuous preparation device for 3-oxetane methanol according to claim 1, characterized in that: The feeding assembly (4) comprises a feeding tube (41), a shunt tube (42), a shunt box (43) and a nozzle (44); the feeding tube (41) is located outside the preparation box (1); a plurality of shunt tubes (42) are arranged outside the feeding tube (41); a shunt box (43) is arranged at one end of the shunt tube (42) away from the feeding tube (41); a nozzle (44) is arranged on the bottom surface of the shunt box (43); and the nozzle (44) is connected to the inside of the preparation box (21).
5. A continuous preparation device for 3-oxetane methanol according to claim 4, characterized in that: The flow diverter tubes (42) and the flow diverter box (43) are provided in multiple groups, the multiple groups of flow diverter tubes (42) are arranged at intervals outside the preparation box (21), and multiple nozzles (44) are distributed at equal intervals on the bottom surface of the flow diverter box (43).
6. A continuous preparation device for 3-oxetane methanol according to claim 1, characterized in that: A mixing mechanism (5) is provided inside the preparation box (21), the mixing mechanism (5) being arranged corresponding to the diversion box (43), the mixing mechanism (5) comprising a stirring rod (51), a second motor (52) and a mixing plate (53), the stirring rod (51) being arranged inside the preparation box (21), the stirring rod (51) being rotatably connected to the preparation box (21), the mixing plate (53) being provided outside the stirring rod (51), the mixing plates (53) being arranged in a ring outside the stirring rod (51) in a plurality of groups, the second motor (52) being arranged outside the preparation box (21), the output end of the second motor (52) being fixedly connected to the stirring rod (51).