Pre-oxidation equipment for catalyst in preparation process of chiral epoxy chloropropane

Abstract

The utility model relates to the technical field of medicine catalysis, and discloses pre-oxidation equipment for a catalyst in a chiral epichlorohydrin preparation process, which comprises a box body, a catalysis part is arranged in the box body, the catalysis part comprises a driving rod movably mounted in the box body, an upper stirring blade is fixedly mounted at the top of the driving rod, and a lower stirring blade is fixedly mounted at the bottom of the box body. A lower stirring blade is fixedly mounted at the bottom of the driving rod, a first groove is formed in the top of the upper stirring blade, a first rotating rod is movably mounted in the first groove, and first blades are fixedly mounted at the upper end and the lower end of the first rotating rod; according to the pre-oxidation equipment for preparing chiral epichlorohydrin, by installing the box body, the inner gear ring, the blocking plate, the driving rod, the upper stirring blade, the first rotating rod, the first blade, the first transmission gear, the lower stirring blade and the like, the oxidation efficiency is high, and the oxidation efficiency of the pre-oxidation equipment for a catalyst in the chiral epichlorohydrin preparation process is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a medicine catalysis technical field, concretely is a kind of pre-oxidation equipment of catalyst in chiral epichlorohydrin preparation process. BACKGROUND

[0002] Chiral epichlorohydrin is a kind of medicine catalyst, is by three carbon chiral synthon, is very widely used in medicine, pesticide, chemical industry, material and so on field.Especially in recent years, chiral medicine industry develops rapidly, makes chiral epichlorohydrin as an important medicine intermediate position more outstanding, when using medicine catalyst, it needs to be oxidized;

[0003] The existing medicine catalyst pre-oxidation equipment, generally all adopt stirring equipment to contact chiral epichlorohydrin catalyst in preparation process with air and oxidize, and the oxidation mode is single, and the oxidation efficiency is low, in recent years, chiral medicine industry develops rapidly, only by conventional stirring blade to stir and oxidize with oxygen, it is difficult to meet the demand of society to chiral medicine;

[0004] Therefore, a kind of pre-oxidation equipment of catalyst in chiral epichlorohydrin preparation process is specifically proposed. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of pre-oxidation equipment of catalyst in chiral epichlorohydrin preparation process, with high oxidation efficiency, greatly improve the oxidation efficiency of pre-oxidation equipment to chiral epichlorohydrin catalyst in preparation process and other advantages, solve the problem of low oxidation efficiency of existing chiral epichlorohydrin catalyst in preparation process.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pre-oxidation equipment of catalyst in chiral epichlorohydrin preparation process, including box, the inside of the box is provided with catalytic component, the catalytic component includes the drive rod that is movably installed in the inside of box, the top of the drive rod is fixedly installed with upper stirring vane, the bottom of the drive rod is fixedly installed with lower stirring vane;

[0007] The top of the upper stirring vane is equipped with the first recess, the first recess is movably installed with the first rotating rod, the first rotating rod is fixedly installed with the first blade in the upper and lower ends, the bottom of the lower stirring vane is equipped with the second recess, the second recess is movably installed with the second rotating rod, the second rotating rod is fixedly installed with the second blade in the upper and lower ends.

[0008] Preferably, the front end of the box is fixedly installed with motor, the output end of the motor is connected with the drive rod and is fixedly connected with the drive rod, the rear end center of the box is equipped with the clamping groove, the rear end of the drive rod is inserted in the clamping groove.

[0009] Preferably, the rear end of the first rotating rod penetrates the upper stirring blade and is fixedly installed with a first transmission gear, the rear end of the second rotating rod penetrates the lower stirring blade and is fixedly installed with a second transmission gear, and the inner rear end of the box body is fixedly installed with an inner gear ring, and the first transmission gear and the second transmission gear are engaged with the inner gear ring.

[0010] Preferably, the inner wall bottom of the box body is fixedly installed with a blocking plate, and the upper stirring blade and the lower stirring blade will not touch the blocking plate when rotating.

[0011] Preferably, the top and the inner part of the box body are jointly provided with an air injection component, the air injection component comprises an air inlet box fixedly installed at the top front end of the box body, an air exhaust box fixedly installed at the top rear end of the box body, and an air injection pipe fixedly installed at the inner front end of the box body.

[0012] Preferably, the inner part of the driving rod is in a hollow state, the front part of the driving rod is fixedly installed with an air injection hopper, the surface of the driving rod, which is covered by the air injection hopper, is provided with an air inlet groove, and the surface of the driving rod, which is located behind the air injection hopper, is provided with an air outlet hole.

[0013] Preferably, the top of the air injection pipe is in communication with the air inlet box, and the air outlet of the air inlet box is opposite to the upper part of the air injection hopper.

[0014] Preferably, the top of the box body is movably installed with a feeding cover between the air inlet box and the air exhaust box, and the bottom rear end of the box body is provided with a discharging cover.

[0015] Compared with the prior art, the device has the advantages that:

[0016] 1. The pre-oxidation equipment for catalysts in the preparation process of chiral epoxide chloropropane has high oxidation efficiency, and greatly improves the oxidation efficiency of the pre-oxidation equipment for catalysts in the preparation process of chiral epoxide chloropropane.

[0017] 2. The pre-oxidation equipment for catalysts in the preparation process of chiral epoxide chloropropane improves the air circulation of the box body through the air supply box and the air exhaust box, injects air into the driving rod through the air injection pipe, discharges the air through the air outlet hole, and directly mixes the air with the stirred catalyst, thereby further improving the oxidation efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the description of the specific embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings described in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the pre-oxidation equipment of the present application.

[0020] Figure 2 It is a schematic diagram of the internal plane structure of the pre-oxidation equipment of the present application.

[0021] Figure 3 It is a schematic diagram of the local structure of the rear end of the box body of the present application.

[0022] Figure 4 It is a schematic diagram of the catalytic component structure of the present application.

[0023] Explanation of reference signs:

[0024] 1, box body; 11, motor; 12, feeding cover; 13, inner tooth ring; 14, clamping groove; 15, blocking plate; 16, discharging cover; 2, catalytic component; 21, driving rod; 22, upper stirring blade; 23, first groove; 24, first rotating rod; 25, first blade; 26, first transmission gear; 27, lower stirring blade; 28, second groove; 29, second rotating rod; 210, second blade; 211, second transmission gear; 212, air injection hopper; 213, air inlet groove; 214, air outlet hole; 3, air injection component; 31, air inlet box; 32, air extraction box; 33, air injection pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] Please refer to Figures 1 to 4 The present application provides a technical solution:

[0027] A kind of pre-oxidation equipment of catalyst in the preparation process of chiral epoxy chloropropane, including box 1, the inside of the box 1 is provided with catalytic component 2, the catalytic component 2 includes the drive rod 21 of movable installation in the inside of box 1, the top of the drive rod 21 is fixedly installed with upper stirring blade 22, the bottom of the drive rod 21 is fixedly installed with lower stirring blade 27, the top of the upper stirring blade 22 is equipped with first recess 23, the first recess 23 is movably installed with first rotating rod 24 in the inside, the first rotating rod 24 is fixedly installed with first blade 25 in the top and bottom, the bottom of the lower stirring blade 27 is equipped with second recess 28, the second recess 28 is movably installed with second rotating rod 29 in the inside, the first blade 25 of the second rotating rod 29 is fixedly installed with second blade 210 in the top and bottom;

[0028] The front end of the box 1 is fixedly installed with motor 11, the output end of the motor 11 is fixedly connected with the drive rod 21 penetrating the box 1, the inside rear end of the box 1 is equipped with clamping groove 14, the rear end of the drive rod 21 is inserted into the clamping groove 14, the rear end of the first rotating rod 24 penetrates the upper stirring blade 22 and is fixedly installed with first transmission gear 26, the rear end of the second rotating rod 29 penetrates the lower stirring blade 27 and is fixedly installed with second transmission gear 211, the inside rear end of the box 1 is fixedly installed with internal gear ring 13, the first transmission gear 26 and the second transmission gear 211 are engaged with the internal gear ring 13, the inner wall bottom of the box 1 is fixedly installed with blocking plate 15, the upper stirring blade 22 and the lower stirring blade 27 will not touch the blocking plate 15 when rotating.

[0029] By adopting the above technical scheme, in use, the feeding cover 12 is opened, the catalyst is placed into the box body 1, and then the feeding cover 12 is closed. When the oxidation starts, the motor 11 is started, the output end of the motor 11 drives the driving rod 21 to rotate, the upper stirring blade 22 and the lower stirring blade 27 installed at the upper end and the lower end of the driving rod 21 drive the catalyst to stir in the process of rotation, and the oxidation efficiency of the catalyst is promoted. Meanwhile, the upper stirring blade 22 and the lower stirring blade 27 are respectively provided with the first groove 23 and the second groove 28, and the first rotating rod 24, the first blade 25, the second rotating rod 29 and the second blade 210 are respectively installed in the first groove 23 and the second groove 28. The rear end of the upper stirring blade 22 and the lower stirring blade 27 is further provided with the first transmission gear 26 and the second transmission gear 211, and the first transmission gear 26 and the second transmission gear 211 are respectively connected with the first rotating rod 24 and the second rotating rod 29. Therefore, when the first transmission gear 26 and the second transmission gear 211 rotate, the first rotating rod 24 and the second rotating rod 29 can be respectively driven to rotate, so that the first blade 25 rotates in the first groove 23 and the second blade 210 rotates in the second groove 28. Thus, the stirring effect of the upper stirring blade 22 and the lower stirring blade 27 on the catalyst is improved, and the oxidation efficiency of the catalyst is further improved. The inner wall of the box body 1 is provided with the blocking plate 15, which does not hinder the rotation of the upper stirring blade 22 and the lower stirring blade 27. When the upper stirring blade 22 and the lower stirring blade 27 rotate, the catalyst in the box body 1 is stirred. If the upper stirring blade 22 and the lower stirring blade 27 rotate clockwise, the stirred catalyst in the box body 1 is stirred clockwise by the upper stirring blade 22 and the lower stirring blade 27. The setting of the blocking plate 15 can block the stirred catalyst. When the catalyst contacts the blocking plate 15, it will splash due to the hindrance of the blocking plate 15. After splashing, it is stirred again by the upper stirring blade 22 and the lower stirring blade 27. Thus, compared with the existing conventional stirring device which always presents one posture to stir the catalyst, the oxidation efficiency of the device is much higher. The upper stirring blade 22, the lower stirring blade 27, the first blade 25, the second blade 210 and the blocking plate 15 greatly improve the oxidation efficiency of the catalyst in the preparation process of chiral epichlorohydrin.

[0030] Specifically, as Figures 1 to 4As shown, the top and interior of the box 1 are jointly provided with an air injection component 3, which comprises an air inlet box 31 fixedly installed at the front end of the top of the box 1, an air exhaust box 32 fixedly installed at the rear end of the top of the box 1, and an air injection pipe 33 fixedly installed at the front end of the interior of the box 1. The interior of the driving rod 21 is hollow, the front part of the driving rod 21 is fixedly installed with an air injection hopper 212, the part of the surface of the driving rod 21 covered by the air injection hopper 212 is provided with an air inlet groove 213, and the part of the surface of the driving rod 21 located behind the air injection hopper 212 is provided with an air outlet hole 214. The top of the air injection pipe 33 is in communication with the air inlet box 31, the air outlet of the air inlet box 31 is opposite to the upper part of the air injection hopper 212, the top of the box 1 is movably installed with a feeding cover 12 between the air inlet box 31 and the air exhaust box 32, and the bottom rear end of the box 1 is provided with a discharging cover 16.

[0031] By adopting the above technical scheme, the top of the box 1 is further provided with the air inlet box 31 and the air exhaust box 32. When the catalyst in the box 1 is oxidized, the air inlet box 31 is opened, the air inlet box 31 injects air into the box 1, the box 1 is internally installed with the air injection pipe 33, the top of the air injection pipe 33 is in communication with the bottom of the air inlet box 31, all the air injected by the air inlet box 31 into the box 1 enters the air injection pipe 33, the air outlet of the air injection pipe 33 is opposite to the air injection hopper 212 fixedly installed at the front end of the driving rod 21, the part of the surface of the driving rod 21 located in the area covered by the air injection hopper 212 is provided with the air inlet groove 213, the air injection pipe 33 blows air towards the air injection hopper 212 and introduces the air into the air inlet groove 213 through the air injection hopper 212, so that the driving rod 21 is blown by air, the part of the surface of the driving rod 21 located between the upper stirring blade 22 and the lower stirring blade 27 is provided with the air outlet hole 214, the air injected into the driving rod 21 can be blown out through the air outlet hole 214, so that the air directly contacts the catalyst agitated by the upper stirring blade 22 and the lower stirring blade 27, the catalyst repeatedly contacts the air in the process of agitation, the catalyst oxidation efficiency is further improved, the air exhaust box 32 is opened at the same time when the air inlet box 31 is opened, the air inlet box 31 injects air into the box 1 through the air injection pipe 33, the air exhaust box 32 exhausts the air in the box 1, so that the air circulation in the box 1 is improved, the catalyst oxidation efficiency is ensured, and the catalyst in the box 1 is discharged after the oxidation is completed.

[0032] Working principle: in the use process, first open the feed cover 12, then put the catalyst in the preparation process of chiral epichlorohydrin into the box body 1, after closing the feed cover 12, start the motor 11, air inlet box 31 and air exhaust box 32 respectively, the motor 11 drives the driving rod 21 to rotate, the driving rod 21 drives the upper stirring blade 22 and the lower stirring blade 27, and drives the first rotating rod 24, the first blade 25 and the second rotating rod 29, the second blade 210 through the cooperation of the first transmission gear 26 and the inner tooth ring 13, thereby stirring the catalyst in the box body 1, the air inlet box 31 introduces air into the air injection pipe 33 in the box body 1, the air outlet of the air injection pipe 33 is opposite to the upper of the air injection hopper 212, the air is injected into the driving rod 21 through the air injection hopper 212 and the air inlet groove 213, and the air is blown out through the air outlet hole 214, so that the stirred catalyst is fully mixed with air, the catalyst oxidation efficiency is improved, and the air exhaust box 32 exhausts the excess air in the box body 1, so that the air circulation in the box body 1 is promoted, thereby further guaranteeing the oxidation efficiency of the device.

[0033] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A pre-oxidation apparatus for catalysts in the preparation of chiral epichlorohydrin, comprising a box (1), characterized in that: The inside of the box (1) is provided with a catalytic component (2), which comprises a driving rod (21) movably mounted in the inside of the box (1), the top of the driving rod (21) is fixedly provided with an upper stirring blade (22), and the bottom of the driving rod (21) is fixedly provided with a lower stirring blade (27); The top of the upper stirring blade (22) is provided with a first groove (23), the inside of the first groove (23) is movably provided with a first rotating rod (24), the upper and lower ends of the first rotating rod (24) are fixedly provided with first blades (25), the bottom of the lower stirring blade (27) is provided with a second groove (28), the inside of the second groove (28) is movably provided with a second rotating rod (29), and the upper and lower ends of the second rotating rod (29) are fixedly provided with second blades (210).

2. A pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 1, characterized in that: The front end of the box (1) is fixedly provided with a motor (11), the output end of the motor (11) penetrates the box (1) and is fixedly connected with the driving rod (21), the inside of the rear end of the box (1) is provided with a clamping groove (14), and the rear end of the driving rod (21) is inserted into the clamping groove (14).

3. A pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 1, characterized in that: The rear end of the first rotating rod (24) penetrates the upper stirring blade (22) and is fixedly provided with a first transmission gear (26), the rear end of the second rotating rod (29) penetrates the lower stirring blade (27) and is fixedly provided with a second transmission gear (211), the inside of the rear end of the box (1) is fixedly provided with an internal gear ring (13), and the first transmission gear (26) and the second transmission gear (211) are meshed with the internal gear ring (13).

4. The pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 1, characterized by: The inner wall bottom of the box (1) is fixedly provided with a blocking plate (15), and the upper stirring blade (22) and the lower stirring blade (27) will not touch the blocking plate (15) during rotation.

5. The pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 1, characterized by: The top and inside of the box (1) are provided with an air injection component (3), the air injection component (3) comprises an air inlet box (31) fixedly mounted at the top front end of the box (1), an air exhaust box (32) fixedly mounted at the top rear end of the box (1), and an air injection pipe (33) fixedly mounted at the inside front end of the box (1).

6. A pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 2, characterized by: The inside of the driving rod (21) is in a hollow state, the front part of the driving rod (21) is fixedly provided with an air injection hopper (212), the part of the surface of the driving rod (21) covered by the air injection hopper (212) is provided with an air inlet groove (213), and the surface of the driving rod (21) located behind the air injection hopper (212) is provided with an air outlet hole (214).

7. A pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 5, characterized by: The top of the air injection pipe (33) is communicated with the air inlet box (31), and the air outlet of the air inlet box (31) is opposite to the upper part of the air injection hopper (212).

8. A pre-oxidation apparatus for a catalyst used in the production of a chiral epichlorohydrin according to claim 1, characterized by: The top of the box (1) is movably provided with a feeding cover (12) between the air inlet box (31) and the air exhaust box (32), and the bottom rear end of the box (1) is provided with a discharging cover (16).

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