Improved epoxy chloropropane saponification tower

Abstract

According to the improved epoxy chloropropane saponification tower, a tank body can rotate on a bottom plate, a cavity is formed in the bottom plate, a discharging pipe penetrating through the cavity is arranged at the bottom of the tank body, a valve and a driven disc are arranged on the discharging pipe, a motor is fixedly arranged at the lower end of the bottom plate, and a driving wheel meshed with the driven disc is arranged at the output end of the motor; after the liquid pump is started, an alkaline solution in the container can enter the first vertical pipe through the guide pipe, then the multiple adjusting valves are opened, the alkaline solution can be sprayed out from the multiple liquid outlet holes, the alkaline solution can be directly added into the tank body, the time needed in the mixing process of the alkaline solution and epoxy chloropropane can be shortened, and the mixing efficiency of the alkaline solution and epoxy chloropropane can be improved. Further, the saponification efficiency of the epoxy chloropropane can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of epichlorohydrin saponification, in particular to an improved epichlorohydrin saponification tower. Background Art

[0002] Epichlorohydrin is an organic compound, which is mainly used to make epoxy resin. It is also a stabilizer and chemical intermediate of oxygen-containing substances, the main raw material for preparing epoxy and phenoxy resins, and is also used to make glycerin, mature propylene rubber, etc. The preparation of epichlorohydrin requires saponification to obtain the crude epichlorohydrin. The equipment used in the saponification process is the saponification tower.

[0003] The patent with publication number CN114053983A proposes a saponification tower for epichlorohydrin production, including a tower body, a driving rod and a buffer tube, wherein a discharge mechanism is arranged inside the tower body; the discharge mechanism comprises a spiral conveying rod installed at one end of the driving rod near the buffer tube, a discharge hole is provided on one side of the tower body near the buffer tube, a groove is provided at one end of the spiral conveying rod away from the driving rod, a screw rod is connected to the buffer tube for co-rotation, and a piston disc matched with the buffer tube is connected to the external thread of the screw rod. The present invention stirs the materials in different parts of the tower body through a speed regulating device, thereby improving the production quality of propylene oxide and the production efficiency of propylene oxide, and can stir the materials inside the discharge hole to prevent the product after the saponification reaction from clogging the discharge hole, thereby improving the discharge efficiency of the product, and also reducing the adhesion of the product in the discharge hole, making it more convenient to clean the discharge hole.

[0004] When the above structure is used, the alkaline solution cannot be directly added to the interior of the saponification tower, which will increase the time required for the mixing process of the alkaline solution and epichlorohydrin and reduce the saponification efficiency of epichlorohydrin. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the present invention provides an improved epichlorohydrin saponification tower.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an improved epichlorohydrin saponification tower, comprising a tank body, a top cover and a bottom plate, wherein the top cover is fixed to the upper end of the tank body, the tank body can rotate on the bottom plate, and a cavity is provided on the bottom plate, a discharge pipe penetrating the cavity is provided at the bottom of the tank body, a valve and a driven disk are provided on the discharge pipe, a motor is fixedly arranged at the lower end of the bottom plate, a driving wheel meshed with the driven disk is provided at the output end of the motor, a second telescopic cylinder located at one side of the tank body is provided at the upper end of the bottom plate, a positioning seat is provided at the output end of the second telescopic cylinder, a top seat is fixedly arranged at the front end of the positioning seat, a plurality of third telescopic cylinders are provided at the upper end of the top seat, a clamping plate is provided at the output end of the third telescopic cylinder, a plurality of first balls contacting the clamping rod are provided at the lower end of the clamping plate, and a plurality of second balls contacting the tank body are provided at the upper end of the bottom plate;

[0009] A stirring assembly is provided inside the tank body, two clamping assemblies are symmetrically arranged on the bottom plate, a liquid pump is fixedly arranged on the upper end of the positioning seat, and a conduit is provided at the liquid outlet end of the liquid pump;

[0010] The clamping assembly comprises a first telescopic cylinder and a vertical rod, the output end of the first telescopic cylinder is provided with a clamping rod, the vertical rod is fixed at both ends of the clamping rod, and a plurality of positioning wheels contacting the outer wall of the tank body are rotatably arranged on the vertical rod;

[0011] The stirring assembly includes a first vertical pipe and a second vertical pipe, the second vertical pipe is communicated with the first vertical pipe, and a plurality of regulating valves are symmetrically arranged at the bottom of the first vertical pipe, a plurality of stirring pipes are arranged on both sides of the regulating valve, a plurality of liquid outlet holes are arranged on the stirring pipe, the first vertical pipe passes through the top cover and the top seat, and the first vertical pipe is rotatably connected to the top cover, the first vertical pipe is fixedly connected to the top seat, and one end of the conduit is provided with a docking pipe inserted into the first vertical pipe, and the docking pipe is rotatably connected to the first vertical pipe.

[0012] In order to facilitate the assembly of the driven disc, the present invention has the following improvements: a positioning ring is fixedly provided on the discharge pipe, and the driven disc is fixed to the lower end of the positioning ring by bolts.

[0013] Furthermore, the present invention is improved in that two positioning plates are symmetrically arranged on both sides of the bottom plate, and the first telescopic cylinder is fixed on the top of the positioning plates.

[0014] In order to improve the stability of the first vertical pipe when in use, the present invention has the following improvements: a limit seat is fixedly provided at the middle part of the top cover, a limit bearing is provided in the limit seat, and the limit bearing is penetrated by the first vertical pipe.

[0015] Furthermore, the present invention is improved in that a positioning bearing is embedded inside each of the plurality of positioning wheels, the vertical rod can penetrate the positioning bearing, and the vertical rod and the positioning wheel are interference fit with the positioning bearing.

[0016] In order to facilitate the assembly of the top cover on the tank body, the present invention is improved in that the lower end of the top cover and the upper end of the tank body are both provided with docking plates, and the two docking plates are fixed by bolts.

[0017] Furthermore, the present invention is improved in that the motor is a servo motor.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention provides an improved epichlorohydrin saponification tower, which has the following beneficial effects:

[0020] The improved epichlorohydrin saponification tower, when the motor is started, can make the driving wheel drive the driven disk to rotate through the meshing effect, and then can make the driven disk drive the discharge pipe and the tank body to rotate; because the positions of the first vertical pipe and the second vertical pipe are fixed, as the tank body rotates, a stirring and mixing effect can be provided to the epichlorohydrin in the tank body; when the liquid pump is started, the alkaline solution in the container can enter the first vertical pipe through the conduit, and then open multiple regulating valves to spray the alkaline solution at multiple liquid outlets, so that the alkaline solution can be directly added to the inside of the tank body, and the time required for the mixing process of the alkaline solution and epichlorohydrin can be shortened, thereby improving the saponification efficiency of epichlorohydrin. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a top view of the three-dimensional structure of the present invention;

[0022] Figure 2 It is a bottom-up three-dimensional structural schematic diagram of the present invention;

[0023] Figure 3 For the present invention Figure 1 The main view;

[0024] Figure 4 It is a structural schematic diagram of the stirring assembly in the present invention;

[0025] Figure 5 For the present invention Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0026] In the figure: 1. tank body; 2. top cover; 3. bottom plate; 4. cavity; 5. discharge pipe; 6. driven plate; 7. positioning ring; 8. motor; 9. driving wheel; 10. positioning plate; 11. first telescopic cylinder; 12. clamping rod; 13. vertical rod; 14. positioning wheel; 15. second telescopic cylinder; 16. positioning seat; 17. top seat; 18. third telescopic cylinder; 19. clamping plate; 20. first vertical pipe; 21. second vertical pipe; 22. regulating valve; 23. stirring pipe; 24. liquid pump; 25. conduit; 26. docking pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-5 , an improved epichlorohydrin saponification tower of the present invention comprises a tank body 1, a top cover 2 and a bottom plate 3, wherein the top cover 2 is fixed to the upper end of the tank body 1, the tank body 1 can rotate on the bottom plate 3, and a cavity 4 is provided on the bottom plate 3, a discharge pipe 5 penetrating the cavity 4 is provided at the bottom of the tank body 1, a valve and a driven disk 6 are provided on the discharge pipe 5, a motor 8 is fixedly arranged at the lower end of the bottom plate 3, a driving wheel 9 meshing with the driven disk 6 is provided at the output end of the motor 8, a second telescopic cylinder 15 located on one side of the tank body 1 is provided at the upper end of the bottom plate 3, a positioning seat 16 is provided at the output end of the second telescopic cylinder 15, a top seat 17 is fixedly arranged at the front end of the positioning seat 16, a plurality of third telescopic cylinders 18 are provided at the upper end of the top seat 17, a clamping plate 19 is provided at the output end of the third telescopic cylinder 18, a plurality of first balls contacting the clamping rod 12 are provided at the lower end of the clamping plate 19, and a plurality of second balls contacting the tank body 1 are provided at the upper end of the bottom plate 3;

[0029] The tank body 1 is provided with a stirring assembly inside, two clamping assemblies are symmetrically arranged on the bottom plate 3, a liquid pump 24 is fixedly arranged on the upper end of the positioning seat 16, and a conduit 25 is arranged at the liquid outlet end of the liquid pump 24;

[0030] The clamping assembly includes a first telescopic cylinder 11 and a vertical rod 13. The output end of the first telescopic cylinder 11 is provided with a clamping rod 12. The vertical rod 13 is fixed at both ends of the clamping rod 12. A plurality of positioning wheels 14 contacting the outer wall of the tank body 1 are rotatably provided on the vertical rod 13.

[0031] The stirring assembly includes a first vertical pipe 20 and a second vertical pipe 21, the second vertical pipe 21 is communicated with the first vertical pipe 20, and a plurality of regulating valves 22 are symmetrically arranged at the bottom of the first vertical pipe 20, a plurality of stirring pipes 23 are arranged on both sides of the regulating valve 22, and a plurality of liquid outlet holes are arranged on the stirring pipe 23, the first vertical pipe 20 passes through the top cover 2 and the top seat 17, and the first vertical pipe 20 is rotatably connected to the top cover 2, the first vertical pipe 20 is fixedly connected to the top seat 17, and one end of the conduit 25 is provided with a butt joint pipe 26 inserted into the first vertical pipe 20, and the butt joint pipe 26 is rotatably connected to the first vertical pipe 20;

[0032] In this embodiment, the top cover 2 is provided with a feed pipe. First, epichlorohydrin is added to the interior of the tank body 1. The second telescopic cylinder 15 is started to lower the top seat 17, and then the first vertical pipe 20 drives the top cover 2 to lower, so that the top cover 2 is buckled on the top of the tank body 1, and then the top cover 2 is fixed on the top of the tank body 1. At this time, the plurality of third telescopic cylinders 18 are started to lower the clamping plate 19. The clamping plate 19 can further provide a limiting effect for the top cover 2. The tank body 1 can be clamped on the bottom plate 3 through the clamping assembly. When the motor 8 is started, the driving wheel 9 can drive the driven disk 6 to rotate through the meshing effect, and then the driven disk 6 can drive the discharge pipe 5 and the tank body 1 to rotate. Since the positions of the first vertical pipe 20 and the second vertical pipe 21 are fixed, as the tank body 1 rotates, a stirring and mixing effect can be provided to the epichlorohydrin in the tank body 1.

[0033] Then, the delivery pipe on the liquid inlet end of the liquid pump 24 is connected to a designated container (the alkaline solution is placed in the container). When the liquid pump 24 is started, the alkaline solution in the container can enter the first vertical pipe 20 through the conduit 25, and then a plurality of regulating valves 22 are opened (the regulating valves 22 can be electromagnetic valves), so that the alkaline solution can be sprayed out at a plurality of liquid outlets, and the alkaline solution can be directly added to the interior of the tank body 1, which can shorten the time required for the mixing process of the alkaline solution and epichlorohydrin, thereby improving the saponification efficiency of epichlorohydrin.

[0034] In this embodiment, a positioning ring 7 is fixedly provided on the discharge pipe 5 , and the driven plate 6 is fixed to the lower end of the positioning ring 7 by bolts. The bolt fixing method can facilitate the assembly of the driven plate 6 on the discharge pipe 5 .

[0035] Furthermore, two positioning plates 10 are symmetrically arranged on both sides of the bottom plate 3 , and the first telescopic cylinder 11 is fixed on the top of the positioning plates 10 , so that the first telescopic cylinder 11 can be easily installed.

[0036] In this embodiment, a limit seat is fixedly provided in the middle part of the top cover 2, a limit bearing is provided in the limit seat, and the limit bearing is penetrated by the first vertical pipe 20. The limit seat can provide a positioning effect for the first vertical pipe 20 at the top cover 2, thereby improving the stability of the first vertical pipe 20 when in use.

[0037] In this embodiment, a positioning bearing is embedded inside each of the plurality of positioning wheels 14, the vertical rod 13 can penetrate the positioning bearing, and the vertical rod 13 and the positioning wheel 14 are interference fit with the positioning bearing. The positioning bearing can improve the stability of the positioning wheel 14 during rotation, and the plurality of positioning wheels 14 can make the tank body 1 rotate more smoothly on the bottom plate 3.

[0038] Furthermore, a docking plate is provided at the lower end of the top cover 2 and the upper end of the tank body 1 , and the two docking plates are fixed by bolts. The bolt fixing method can facilitate the assembly of the top cover 2 on the tank body 1 .

[0039] In this embodiment, the motor 8 is a servo motor 8 .

[0040] In the description of this article, it should be noted that 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", "comprises" or any other variations 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.

[0041] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. An improved epichlorohydrin saponification tower, comprising a tank body (1), a top cover (2) and a bottom plate (3), wherein the top cover (2) is fixed to the upper end of the tank body (1), characterized in that: The tank body (1) can rotate on a bottom plate (3), and a cavity (4) is provided on the bottom plate (3). A discharge pipe (5) penetrating the cavity (4) is provided at the bottom of the tank body (1), and a valve and a driven disk (6) are provided on the discharge pipe (5). A motor (8) is fixedly arranged at the lower end of the bottom plate (3), and a driving wheel (9) meshing with the driven disk (6) is provided at the output end of the motor (8). A second telescopic cylinder (9) located at one side of the tank body (1) is provided at the upper end of the bottom plate (3). 15), a positioning seat (16) is provided at the output end of the second telescopic cylinder (15), a top seat (17) is fixedly provided at the front end of the positioning seat (16), a plurality of third telescopic cylinders (18) are provided at the upper end of the top seat (17), a clamping plate (19) is provided at the output end of the third telescopic cylinder (18), a plurality of first balls contacting the clamping rod (12) are provided at the lower end of the clamping plate (19), and a plurality of second balls contacting the tank body (1) are provided at the upper end of the bottom plate (3); The tank body (1) is provided with a stirring assembly inside, two clamping assemblies are symmetrically arranged on the bottom plate (3), a liquid pump (24) is fixedly arranged on the upper end of the positioning seat (16), and a conduit (25) is arranged at the liquid outlet end of the liquid pump (24); The clamping assembly comprises a first telescopic cylinder (11) and a vertical rod (13); the output end of the first telescopic cylinder (11) is provided with a clamping rod (12); the vertical rod (13) is fixed to both ends of the clamping rod (12); and a plurality of positioning wheels (14) are rotatably provided on the vertical rod (13) for contacting the outer wall of the tank body (1); The stirring assembly comprises a first vertical pipe (20) and a second vertical pipe (21), the second vertical pipe (21) being in communication with the first vertical pipe (20), and a plurality of regulating valves (22) being symmetrically arranged at the bottom of the first vertical pipe (20), a plurality of stirring pipes (23) being arranged on both sides of the regulating valve (22), and a plurality of liquid outlet holes being arranged on the stirring pipes (23), the first vertical pipe (20) penetrating the top cover (2) and the top seat (17), and the first vertical pipe (20) being rotatably connected to the top cover (2), the first vertical pipe (20) being fixedly connected to the top seat (17), and a butt joint pipe (26) being inserted into the interior of the first vertical pipe (20) being rotatably connected to the first vertical pipe (20) at one end of the guide tube (25). The butt joint pipe (26) being rotatably connected to the first vertical pipe (20).

2. An improved epichlorohydrin saponification tower according to claim 1, characterized in that: A positioning ring (7) is fixedly arranged on the discharge pipe (5), and the driven disc (6) is fixed to the lower end of the positioning ring (7) by means of bolts.

3. An improved epichlorohydrin saponification tower according to claim 2, characterized in that: Two positioning plates (10) are symmetrically arranged on both sides of the bottom plate (3), and the first telescopic cylinder (11) is fixed on the top of the positioning plates (10).

4. An improved epichlorohydrin saponification tower according to claim 3, characterized in that: A limit seat is fixedly arranged in the middle part of the top cover (2), a limit bearing is arranged in the limit seat, and the limit bearing is penetrated by the first vertical pipe (20).

5. An improved epichlorohydrin saponification tower according to claim 4, characterized in that: A positioning bearing is embedded in each of the plurality of positioning wheels (14), the vertical rod (13) can penetrate the positioning bearing, and the vertical rod (13) and the positioning wheel (14) are interference fit with the positioning bearing.

6. An improved epichlorohydrin saponification tower according to claim 5, characterized in that: The lower end of the top cover (2) and the upper end of the tank body (1) are both provided with butt joint plates, and the two butt joint plates are fixed by bolts.

7. An improved epichlorohydrin saponification tower according to claim 6, characterized in that: The motor (8) is a servo motor.

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