CN212017723U - Preparation tank for levetiracetam bulk drug - Google Patents

Abstract

The utility model discloses a preparation jar of levetiracetam bulk drug relates to the reation kettle field for pharmacy, can remain the problem of part material at the feed inlet for solving solid state material when adding reation kettle. The utility model comprises a reaction kettle body with a feed inlet at the upper end, wherein a solid material feeding cup and a liquid material feeding cup are arranged at the upper end of the feed inlet; the lower end of the liquid material feeding cup is provided with a plurality of bent pipes distributed in a circumferential array, and the lower ends of the plurality of bent pipes are arranged inside the feeding hole of the solid material feeding cup and face the inner wall of the solid material feeding cup; the outside of liquid material feeding cup is provided with the mount table, and the lower extreme four corners of mount table all is provided with the lifter. Solid materials are added into the solid material feeding cup, the liquid material feeding cup and the bent pipe are lowered through the lifting rod, and the liquid materials are added into the liquid material feeding cup, so that the residual solid materials can be completely flushed down, and waste is avoided.

Description

Preparation tank for levetiracetam bulk drug

Technical Field

The utility model relates to a reation kettle field for pharmacy specifically is a preparation jar of levetiracetam bulk drug.

Background

The reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container.

The reaction kettle is widely applied to the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods and the like, and is a pressure container for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like; the material is generally carbon manganese steel, stainless steel, zirconium, nickel-based alloy and other composite materials; the reaction kettle mainly comprises a kettle body, a kettle cover, a stirring device, a heating device and the like.

Levetiracetam, also known as levetiracetam, liveracetam, and levetiracetam, is a white crystalline powdery chemical. The chemical name is (S) -alpha-ethyl-2-oxo-1-pyrrolidine acetamide, the molecular formula is C8H14N2O2, and the molecular weight is 170.20900. Levetiracetam is an antiepileptic drug and is mainly used for the additive treatment of partial seizures of epilepsy patients of adults and children over 4 years old clinically.

At present, the preparation process of levetiracetam raw material medicine is to add solid and liquid raw materials into a reaction kettle for reaction preparation, but when the solid raw material is added, part of the solid raw material will remain on the edge of the feeding opening and even spill out, and the funnel-shaped solid raw material feeding opening is mostly adopted to solve the problem, but part of the materials still remain on the wall of the funnel, and the process flow needs to add the materials at the solid raw material inlet, part of the liquid raw material is separated to flush the residual material, but the operation is very troublesome, not only the labor intensity is increased, and the staff can not be ensured to feed materials according to the sequence to prevent residual waste and slight influence on the reaction, and the liquid raw materials can be spilled by mistake or still not washed down by pouring the liquid raw materials, so that a preparation tank for levetiracetam raw material medicines is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a preparation jar of levetiracetam bulk drug to the solid-state material that proposes in solving above-mentioned background art can the problem of residual part material at the feed inlet when adding reation kettle.

In order to achieve the above object, the utility model provides a following technical scheme: a levetiracetam bulk drug preparation tank comprises a reaction kettle body, the upper end of which is provided with a feed inlet, and the upper end of the feed inlet is also provided with a solid material feeding cup and a liquid material feeding cup; the discharge hole of the solid material feeding cup is communicated and fixedly connected with the feeding hole, the feeding hole of the solid material feeding cup is upward, the liquid material feeding cup is positioned above the feeding hole of the solid material feeding cup, and the central lines of the solid material feeding cup and the liquid material feeding cup are collinear; the bottom of the liquid material feeding cup is provided with a cup bottom, the lower end of the cup bottom is provided with a plurality of bent pipes which are distributed in a circumferential array according to the central line of the cup bottom, the upper ends of the bent pipes are communicated with the liquid material feeding cup and fixedly connected with the liquid material feeding cup, and the lower ends of the bent pipes are arranged inside the feeding hole of the solid material feeding cup and face the inner wall of the solid material feeding cup; the liquid material feeding cup is characterized in that a mounting table is arranged outside the liquid material feeding cup, the liquid material feeding cup penetrates through the mounting table and is fixedly connected with the mounting table, lifting rods are arranged at four corners of the lower end of the mounting table, the upper ends of movable inner rods of the lifting rods are fixedly connected with the mounting table, and the lower ends of fixed outer rods of the lifting rods are fixedly connected with the upper end of the reaction kettle body.

Preferably, the cup bottom is conical and the conical opening is downward.

Preferably, the upper ends of the bent pipes are all located at the lower end of the conical wall of the cup bottom.

Preferably, the lifting rod is provided with a positioning device for positioning a movable inner rod of the lifting rod relative to the fixed outer rod.

Preferably, the solid material feeding cup is funnel-shaped, and the opening of the funnel is upward.

Preferably, one side of the reaction kettle body is provided with a ladder, one side of the ladder is fixedly connected with the reaction kettle body, and the height of the upper end of the ladder is higher than the height of the upper end of the feed inlet.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the levetiracetam bulk drug preparation tank, the liquid material feeding cup and the solid material feeding cup are arranged at the upper end of the feeding port, solid materials are added into the solid material feeding cup, the liquid material feeding cup and the bent pipe are lowered through the lifting rod, and the liquid materials are added into the liquid material feeding cup, so that all solid materials remaining in the solid material feeding cup can be flushed down, waste of the materials is not easily caused, influence on reaction due to the remaining materials is not easily caused, and the situation that when the liquid materials are needed to be flushed down after the materials remain in the feeding port, the situation that the solid material remains are omitted due to staff incapacity is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an omitted drawing of a schematic view of a partially sectioned construction of the charging device in an operating state in the direction A-A of FIG. 1;

FIG. 3 is an omitted drawing of a schematic view of a partially sectioned structure of another operating state of the charging device shown in FIG. 2;

fig. 4 is a schematic top view of a liquid material charging cup.

In the figure: 1. a reaction kettle body; 11. a feed inlet; 2. a solid material feeding cup; 3. a liquid material feeding cup; 301. a cup bottom; 31. bending the pipe; 32. an installation table; 33. a lifting rod; 3301. A positioning device; 4. and (4) a ladder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a levetiracetam bulk drug preparation tank comprises a reaction kettle body 1, the upper end of which is provided with a feed inlet 11, and the upper end of the feed inlet 11 is also provided with a solid material feeding cup 2 and a liquid material feeding cup 3; the discharge hole of the solid material feeding cup 2 is communicated and fixedly connected with the feeding hole 11, the feeding hole of the solid material feeding cup 2 is upward, the liquid material feeding cup 3 is positioned above the feeding hole of the solid material feeding cup 2, and the central lines of the solid material feeding cup and the liquid material feeding cup are collinear; the bottom of the liquid material feeding cup 3 is provided with a cup bottom 301, the lower end of the cup bottom 301 is provided with a plurality of bent pipes 31 which are distributed in a circumferential array according to the central line of the cup bottom 301, the upper ends of the bent pipes 31 are communicated with the liquid material feeding cup 3 and are fixedly connected with the liquid material feeding cup 3, and the lower ends of the bent pipes 31 are arranged inside the feeding hole of the solid material feeding cup 2 and face the inner wall of the solid material feeding cup 2; liquid material adds material cup 3's outside is provided with mount table 32, liquid material adds material cup 3 runs through mount table 32 and fixed connection with it, the lower extreme four corners of mount table 32 all is provided with lifter 33, the upper end and the mount table 32 fixed connection of pole in lifter 33's the activity, the lower extreme of the fixed outer pole of lifter 33 and reation kettle body 1's upper end fixed connection, lifter 33 is the common loop bar that has the extension and shorten the function in market, for example, electric lift rod, hand lifter, from the flexible body of rod etc. of rapping bar.

Further, the cup bottom 301 is a cone with a downward taper, so that the liquid material in the liquid material feeding cup 3 is not easy to remain in the cup and can slide down along the cone wall of the cone.

Further, the upper ends of the bent pipes 31 are located at the lower end of the conical wall of the cup bottom 301, so that the liquid material is further prevented from remaining.

Further, a positioning device 3301 is disposed on the lifting rod 33 for positioning the movable inner rod of the lifting rod 33 relative to the fixed outer rod, the positioning device 3301 may be a positioning buckle in a bolt jacking device or a telescopic rod body similar to an umbrella, or an air cylinder may be used to push the mounting table 32, and the positioning is realized by controlling the air valve.

Furthermore, the solid material feeding cup 2 is funnel-shaped, the opening of the funnel is upward, and a larger opening facilitates the feeding of the materials.

Further, one side of reation kettle body 1 is provided with ladder 4, one side and reation kettle body 1 fixed connection of ladder 4, and the height that the upper end of ladder 4 was located highly is higher than the height that the upper end of charge door 11 was located, and when reation kettle body 1 was higher, the staff of being convenient for was reinforced.

The working principle is as follows: during feeding, the lifting rods 33 extend to the position, above the feeding hole of the solid material feeding cup 2, of the lower end of the bent pipe 31, the lifting rods 33 are positioned through the positioning device 3301, then the solid material is fed into the solid material feeding cup 2, after the feeding is completed, the positioning device 3301 is released, the liquid material feeding cup 3 and the bent pipe 31 are made to descend, the bent pipe 31 faces to the inner wall of the solid material feeding cup 2, at the moment, the liquid material is fed into the liquid material feeding cup 3, and the liquid material flows downwards into the reaction kettle body 1 along the inner wall of the solid material feeding cup 2 along each bent pipe 31, and meanwhile, the residual solid material is flushed down.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a preparation jar of levetiracetam bulk drug, includes reation kettle body (1) that the upper end was equipped with charge door (11), its characterized in that: the upper end of the feed inlet (11) is also provided with a solid material feeding cup (2) and a liquid material feeding cup (3); the discharge hole of the solid material feeding cup (2) is communicated and fixedly connected with the feeding hole (11), the feed inlet of the solid material feeding cup (2) is upward, the liquid material feeding cup (3) is positioned above the feed inlet of the solid material feeding cup (2), and the central lines of the solid material feeding cup and the liquid material feeding cup are collinear; the bottom of the liquid material feeding cup (3) is provided with a cup bottom (301), the lower end of the cup bottom (301) is provided with a plurality of bent pipes (31) which are distributed in a circumferential array according to the central line of the cup bottom (301), the upper ends of the bent pipes (31) are communicated with the liquid material feeding cup (3) and fixedly connected with the liquid material feeding cup, and the lower ends of the bent pipes (31) are arranged inside the feeding hole of the solid material feeding cup (2) and face the inner wall of the solid material feeding cup (2); the outside of liquid material feeding cup (3) is provided with mount table (32), liquid material feeding cup (3) run through mount table (32) and fixed connection with it, the lower extreme four corners of mount table (32) all is provided with lifter (33), the upper end of the movable interior pole of lifter (33) with mount table (32) fixed connection, the lower extreme of the fixed outer pole of lifter (33) with the upper end fixed connection of reation kettle body (1).

2. The levetiracetam bulk drug preparation tank of claim 1, characterized in that: the cup bottom (301) is a cone with a downward conical opening.

3. The levetiracetam bulk drug preparation tank of claim 2, characterized in that: the upper ends of the bent pipes (31) are all positioned at the lower end of the conical wall of the cup bottom (301).

4. The levetiracetam bulk drug preparation tank of claim 1, characterized in that: the lifting rod (33) is provided with a positioning device (3301) which is used for positioning the movable inner rod of the lifting rod (33) relative to the fixed outer rod.

5. The levetiracetam bulk drug preparation tank of claim 1, characterized in that: the solid material feeding cup (2) is funnel-shaped, and the opening of the funnel is upward.

6. The preparation tank of levetiracetam bulk drug according to any of claims 1 to 5, characterized in that: one side of reation kettle body (1) is provided with ladder (4), one side of ladder (4) with reation kettle body (1) fixed connection, the height that the upper end of ladder (4) was located is higher than the height that the upper end of charge door (11) was located.

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