CN209393178U - New reactor for heterogeneous reaction system - Google Patents

Abstract

The utility model relates to a kind of heterogeneous reaction system special utility reaction kettles, it includes autoclave body and the kettle cover that connect with autoclave body top flange dish, the kettle cover is equipped with agitating device, the agitating device includes driving device, agitating shaft, rotary disk, sun gear, multiple planetary gears and planet axis, gear ring, the driving device is installed on the top of kettle cover, the agitating shaft is connect through kettle cover with driving device, the other end protrudes into the bottom of autoclave body, the gear ring is fixed on the inner wall of kettle cover, the sun gear is installed on agitating shaft using key, multiple planetary gears are set between sun gear and gear ring and engage with the sun gear and gear ring, the rotary disk is installed on agitating shaft by bearing, and the rotary disk is located at the top of planetary gear, described planet axis one end is fixed and is fixedly connected after running through planetary gear with rotary disk, the other end protrudes into In autoclave body.The utility model has preferable mixing effect, and reduces wall built-up material to the greatest extent, improves process recovery ratio.

Description

New reactor for heterogeneous reaction system

technical field

The utility model relates to the technical field of reactors, in particular to a novel reactor dedicated to heterogeneous reaction systems.

Background technique

In the production process of peramivir, the material system of some reaction steps is a heterogeneous cost system, which is relatively viscous, and the stirring device of the existing reactor is a frame-type stirring shaft, which is mainly suitable for For homogeneous reaction systems or reaction systems with low viscosity, there are problems such as uneven stirring and more wall-hanging materials for heterogeneous reaction systems with high viscosity. Uneven stirring makes the quality of the product less than The quality standard requires that more wall-hanging materials directly lead to more material loss, resulting in low process yield.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a new type of reaction kettle dedicated to the heterogeneous reaction system, which has a better stirring effect compared with the traditional frame-type stirring shaft, and reduces the material hanging on the wall to the greatest extent, and improves the Process yield.

The technical scheme adopted by the utility model to solve the technical problem is: the special-purpose new reaction kettle for the heterogeneous reaction system includes a kettle body and a kettle cover connected with a flange plate on the top of the kettle body, and the kettle cover is provided with a stirring device , the stirring device includes a driving device, a stirring shaft, a rotary disk, a sun gear, a plurality of planetary gears and a planetary shaft, and a ring gear, and the driving device is installed on the top of the kettle cover, and the stirring shaft runs through the kettle cover and the driving device The other end extends into the bottom of the kettle body, the ring gear is fixed on the inner wall of the kettle cover, the sun gear is installed on the stirring shaft with a key, and a plurality of planetary gears are arranged between the sun gear and the ring gear and connected with the The sun gear is engaged with the ring gear, the rotary disc is installed on the stirring shaft through a bearing, and the rotary disc is located above the planetary gear, one end of the planetary shaft is fixed and connected to the rotary disc after passing through the planetary gear, and the other end into the kettle body.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, the stirring shaft adopts a frame-type stirring shaft, and the stirring shaft is also provided with a plurality of stirring paddles. The length of the stirring paddle is less than the distance from the stirring shaft to the planetary wheel.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, the stirring paddles are arranged in multiple groups on both sides of the stirring shaft.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, a plurality of the stirring blades are spirally distributed on the stirring shaft.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, the planetary gears are provided with 2 to 4 planetary gears evenly distributed on the circumference of the sun gear.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, the length of the planet shaft is shorter than the length of the stirring shaft.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, the bottom of the planet shaft is provided with a helical leaf, and the helical leaf is a left-handed or right-handed helical leaf.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, the helical leaves on the planetary shaft have the same helical direction or the left-handed helical leaves and the right-handed helical leaves are arranged at intervals.

In a preferred embodiment of the novel reactor dedicated to the heterogeneous reaction system provided by the utility model, a feed inlet is provided on one side of the top of the kettle body, and a discharge outlet is provided at the bottom.

Compared with the prior art, the beneficial effect of the new reactor dedicated to the heterogeneous reaction system provided by the utility model is: the utility model utilizes the principle of the planetary gear structure, and drives the planetary gear and the planetary shaft through the rotation of the sun gear on the stirring shaft The rotation of the planetary shaft makes the planetary shaft rotate around the sun gear at the same time. The stirring shaft stirs the materials inside and at the bottom of the reactor, and the planetary shaft stirs the materials on the wall of the reactor to ensure that the materials in the reactor can be fully processed. Stirring, the stirring effect is good and the efficiency is high, and the stirring of the planetary shaft to the wall of the reactor also reduces the wall hanging rate of the heterogeneous system material and improves the process yield of the product.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is the structural representation of the special-purpose novel reactor of heterogeneous reaction system that the utility model provides;

Fig. 2 is a connection structure diagram of the sun gear, the planetary gear and the ring gear of the new reactor dedicated to the heterogeneous reaction system provided in Fig. 1 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2 together, the special-purpose novel reaction kettle 1 of described heterogeneous reaction system comprises kettle body 11 and the kettle lid 12 that is connected with the flange plate of kettle body top, described kettle lid 12 is provided with stirring device 13. The stirring device 13 includes a driving device 131, a stirring shaft 132, a rotary disk 133, a sun gear 134, a plurality of planetary gears 135, a planetary shaft 136, and a ring gear 137, and the driving device 13 is installed on the top of the kettle cover 12 , generally, the driving device 13 is composed of a driving motor and a reducer, the stirring shaft 132 is connected to the driving device 13 through the kettle cover 12, and the other end extends into the bottom of the kettle body 11, and the ring gear 137 is fixed on the kettle cover 12 The inner wall of the inner wall, the ring gear can be fixed by welding or interference fit, the sun gear 134 is mounted on the stirring shaft 132 with a key, and a plurality of planetary gears 135 are arranged between the sun gear 134 and the ring gear 137 and are connected with The sun gear 134 meshes with the ring gear 137, the rotary disc 133 is mounted on the stirring shaft 132 through a bearing, and the rotary disc 133 is located above the planetary gear 135, and one end of the planetary shaft 136 is fixed and runs through the rear of the planetary gear 135 It is fixedly connected with the rotary disk 133, and the other end stretches into the still body 11. The planetary shaft and the planetary wheel adopt keys to install, and the planetary shaft and the rotary disk adopt bearings to install.

In this embodiment, the stirring shaft 132 adopts a frame-type stirring shaft, and the stirring shaft is also provided with a plurality of stirring paddles 1321, and the length of the stirring paddles 1321 is less than the distance between the stirring shaft and the planetary wheel. Make the stirring shaft prevent the collision between the stirring paddle and the planetary shaft during the stirring process.

As a further improvement of this embodiment, the stirring paddles 1321 are arranged in multiple groups on both sides of the stirring shaft 132 , or a plurality of the stirring paddles 1321 are spirally distributed on the stirring shaft 132 .

In this embodiment, there are three planetary gears 135 evenly distributed on the circumference of the sun gear 134 , and of course there may be two or four planetary gears.

In this embodiment, the length of the planetary shaft 136 is shorter than the length of the stirring shaft 132 , preferably the length of the planetary shaft is such that it is located above the stirring frame of the stirring shaft.

As a further improvement to this embodiment, the bottom of the planetary shaft 136 is provided with a helical blade 1362, and the helical blade is left-handed or right-handed.

As a further improvement to this embodiment, the helical blades 1362 on the planet shaft 136 have the same direction of rotation or the left-handed helical blades and the right-handed helical blades are arranged at intervals.

In this embodiment, the top side of the kettle body 11 is provided with a feed inlet 111, and the bottom is provided with a discharge outlet 112. Other interfaces of the reactor can also be arranged on the side wall of the kettle body, which will not be described here. To introduce one by one, the kettle body can also be provided with a jacket for cooling or heating, which is a prior art and will not be repeated here.

The above descriptions are only examples of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the utility model description, or directly or indirectly used in other related technologies Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (9)

1. A special novel reactor for a heterogeneous reaction system, characterized in that: it comprises a still body and a still cover connected with a flange on the top of the still body, the still cover is provided with a stirring device, and the stirring device includes a drive Device, stirring shaft, rotary disc, sun gear, multiple planetary gears and planetary shafts, ring gear, the driving device is installed on the top of the kettle cover, the stirring shaft passes through the kettle cover and is connected to the driving device, and the other end extends into the kettle The bottom of the body, the ring gear is fixed on the inner wall of the kettle cover, the sun gear is installed on the stirring shaft with a key, and a plurality of the planetary gears are arranged between the sun gear and the ring gear and connected with the sun gear and the ring gear Mesh, the rotary disc is installed on the stirring shaft through bearings, and the rotary disc is located above the planetary gear, one end of the planetary shaft is fixed and connected with the rotary disc after passing through the planetary gear, and the other end extends into the kettle body. 2. The special novel reactor for heterogeneous reaction system according to claim 1, characterized in that: the stirring shaft adopts a frame-type stirring shaft, and the stirring shaft is also provided with a plurality of stirring paddles, and the stirring shaft The length of the paddle is less than the distance from the stirring shaft to the planetary wheel. 3. The special-purpose novel reactor for heterogeneous reaction system according to claim 2, characterized in that: said stirring paddles are arranged in multiple groups on both sides of the stirring shaft. 4. The special-purpose novel reactor for heterogeneous reaction system according to claim 2, characterized in that: a plurality of said stirring blades are spirally distributed on the stirring shaft. 5. The new reactor for heterogeneous reaction system according to claim 1, characterized in that: said planetary gears are provided with 2 to 4 planetary gears evenly distributed on the circumference of the sun gear. 6. The special-purpose novel reactor for heterogeneous reaction system according to claim 1 or 2, characterized in that: the length of the planetary shaft is less than the length of the stirring shaft. 7. The special-purpose new reaction kettle for heterogeneous reaction system according to claim 6, characterized in that: the bottom of the planet shaft is provided with a helical leaf, and the helical leaf is a left-handed or right-handed helical leaf. 8. The new reaction kettle for heterogeneous reaction system according to claim 7, characterized in that: the helical leaves on the planetary shaft have the same direction of rotation or the left-handed helical leaves and right-handed helical leaves are arranged at intervals. 9. The special-purpose novel reaction kettle for heterogeneous reaction system according to claim 1, characterized in that: the top side of the kettle body is provided with a feed inlet, and the bottom is provided with a discharge outlet.