CN214514589U

CN214514589U - LDA retort paddle-type agitator

Info

Publication number: CN214514589U
Application number: CN202120662091.0U
Authority: CN
Inventors: 杨勇
Original assignee: Tianjin Xinyi Jinjin Pharmaceutical Co ltd
Current assignee: Tianjin Xinyi Jinjin Pharmaceutical Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-29
Anticipated expiration: 2031-04-01

Abstract

The utility model provides a LDA retort thick liquid formula agitator, including outer jar, be equipped with the inner tank in the outer jar, outer jar and the coaxial setting of inner tank, be equipped with the condenser pipe between inner tank and the outer jar, outer jar top middle part is equipped with the support frame, support frame below fixed mounting has the motor, motor rotation axis and shaft coupling fixed connection, the shaft coupling other end is equipped with agitating unit. This kind of first stirring leaf slope of LDA retort paddle agitator is upwards, can make the lithium on reaction liquid surface obtain furthest's stirring, and first stirring leaf drives reaction liquid motion process and becomes to roll from top to bottom by original plane stirring, better increase reaction effect, reaction liquid after the second stirring leaf mixes the mixture of inner tank bottom stirs once more, further increase reaction liquid's stirring effect, this kind of agitator simple structure, high durability and convenient operation, material lithium can react completely, shorten reaction time.

Description

LDA retort paddle-type agitator

Technical Field

The utility model belongs to the technical field of the preparation of medical intermediate, especially indicate a LDA retort thick liquid formula agitator.

Background

Lithium diisopropylamide, also known as LDA, has the chemical formula [ (CH3)2CH ]2 NLi. In organic chemistry, LDA is commonly used as a base to deprotonate hydrocarbons. The LDA reaction tank is originally a single-layer slurry stirrer, because the molecular weight of reaction material lithium in the LDA reaction tank is smaller than that of a solvent, the reaction tank floats on reaction liquid after the reaction tank is charged with the material lithium, and in the stirring process, the primary slurry stirrer can only stir the reaction liquid at the bottom of the reaction tank to drive surface material lithium to stir and mix, so that the stirring effect is not obvious, and the reaction time is longer. To this end, we propose an LDA reactor paddle stirrer.

SUMMERY OF THE UTILITY MODEL

For solving the defects of the prior art, the utility model provides a slurry stirrer of an LDA reaction tank.

The technical scheme of the utility model is realized like this:

the utility model provides a LDA retort paddle type agitator, includes outer jar, be equipped with the inner tank in the outer jar, outer jar and the coaxial setting of inner tank, be equipped with the condenser pipe between inner tank and the outer jar, outer jar top middle part is equipped with the support frame, support frame below fixed mounting has the motor, motor rotation axis and shaft coupling fixed connection, the shaft coupling other end is equipped with agitating unit, agitating unit includes the puddler, puddler top and shaft coupling fixed connection, be equipped with the go-between that a plurality of equidistance were arranged on the puddler, go-between and first stirring leaf fixed connection, first stirring leaf slope is upwards, puddler below and connecting plate fixed connection, connecting plate both ends and second stirring leaf fixed connection.

Preferably, a feed inlet is formed in one side above the outer tank, and a sealing cover is arranged on the feed inlet.

Preferably, the middle part below the outer tank is provided with a discharge port, and the discharge port is provided with a valve.

Preferably, three supporting legs which are arranged in a matrix are arranged below the outer tank.

Preferably, the inclination angle of the first stirring blade is 30-60 degrees, the first stirring blade is a straight plate or an arc-shaped plate, and the inclination angles of two adjacent first stirring blades are opposite.

Preferably, the outer tank lateral wall is equipped with control panel, the last control button that is equipped with of control panel.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of first stirring leaf slope of LDA retort paddle agitator is upwards, can make the lithium on reaction liquid surface obtain furthest's stirring, and first stirring leaf drives reaction liquid motion process and becomes to roll from top to bottom by original plane stirring, better increase reaction effect, reaction liquid after the second stirring leaf mixes the mixture of inner tank bottom stirs once more, further increase reaction liquid's stirring effect, this kind of agitator simple structure, high durability and convenient operation, material lithium can react completely, shorten reaction time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the stirring device of the present invention;

fig. 4 is a schematic structural view of the stirring device of the present invention.

In the figure: 1. an outer tank; 2. an inner tank; 3. a condenser tube; 4. a support frame; 5. a motor; 6. a coupling; 7. A stirring device; 71. a stirring rod; 72. a connecting ring; 73. a first stirring blade; 74. a connecting plate; 75. a second stirring blade; 8. a feed inlet; 9. a sealing cover; 10. a discharge port; 11. a valve; 12. supporting legs; 13. A control panel; 14. and a control button.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4: a slurry stirrer of an LDA reaction tank comprises an outer tank 1, wherein an inner tank 2 is arranged in the outer tank 1, the outer tank 1 and the inner tank 2 are coaxially arranged, a condenser pipe 3 is arranged between the inner tank 2 and the outer tank 1, the condenser pipe 3 can refrigerate the inner tank 2, so that LDA can react at a proper temperature, a support frame 4 is arranged at the middle part above the outer tank 1, a motor 5 is fixedly arranged below the support frame 4, a rotating shaft of the motor 5 is fixedly connected with a shaft coupling 6, the other end of the shaft coupling 6 is provided with a stirring device 7, when the motor rotates, the stirring device 7 is driven by the shaft coupling 6 to rotate, so that LDA is stirred, the stirring device 7 comprises a stirring rod 71, the upper part of the stirring rod 71 is fixedly connected with the shaft coupling 6, a plurality of connecting rings 72 which are arranged at equal intervals are arranged on the stirring rod 71, and the connecting rings 72 are fixedly connected with first stirring blades 73, first stirring leaf 73 inclines upwards, puddler 71 below and connecting plate 74 fixed connection, connecting plate 74 both ends and second stirring leaf 75 fixed connection, first stirring leaf 73 inclines upwards, can make the lithium on reaction liquid surface obtain furthest's stirring to first stirring leaf 73 drives the reaction liquid motion process and becomes to roll from top to bottom by original plane stirring, better increase reaction effect, and second stirring leaf 75 stirs the reaction liquid after with the mixture of inner tank bottom once more, further increases reaction liquid's stirring effect.

Further, a feeding hole 8 is formed in one side above the outer tank 1, and a sealing cover 9 is arranged on the feeding hole 8.

Further, a discharge port 10 is arranged in the middle of the lower portion of the outer tank 1, a valve 11 is arranged on the discharge port 10, and the discharge port 10 can discharge reaction liquid after reaction.

Furthermore, three support legs 12 arranged in a matrix are arranged below the outer tank 1.

Further, first stirring leaf 73 inclination is between 30 to 60, first stirring leaf 73 is straight board or arc, adjacent two first stirring leaf 73 inclination is opposite, and the straight board of slope or the arc can make reaction liquid roll from top to bottom to make the lithium on reaction liquid surface move down, reach better reaction effect.

Further, the lateral wall of the outer tank 1 outside is provided with a control panel 13, the control panel 13 is provided with a control button 14, and the operation process of the stirrer can be controlled through the control button 14.

Specifically, the utility model discloses in first stirring leaf 73 slope upwards, can make the lithium on reaction liquid surface obtain furthest's stirring to first stirring leaf 73 drives the reaction liquid motion process and becomes to roll from top to bottom by original plane stirring, and better increase reaction effect, reaction liquid after the second stirring leaf 75 mixes the inner tank bottom stirs once more, further increases reaction liquid's stirring effect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LDA retort paddle-type agitator which characterized in that: comprises an outer tank (1), an inner tank (2) is arranged in the outer tank (1), the outer tank (1) and the inner tank (2) are coaxially arranged, a condenser pipe (3) is arranged between the inner tank (2) and the outer tank (1), a support frame (4) is arranged in the middle of the upper part of the outer tank (1), a motor (5) is fixedly arranged below the support frame (4), a rotating shaft of the motor (5) is fixedly connected with a shaft coupling (6), a stirring device (7) is arranged at the other end of the shaft coupling (6), the stirring device (7) comprises a stirring rod (71), the upper part of the stirring rod (71) is fixedly connected with the shaft coupling (6), a plurality of connecting rings (72) which are arranged at equal intervals are arranged on the stirring rod (71), the connecting rings (72) are fixedly connected with first stirring blades (73), the first stirring blades (73) are inclined upwards, the lower part of the stirring rod (71) is fixedly connected with a connecting plate (74), and two ends of the connecting plate (74) are fixedly connected with the second stirring blades (75).

2. The LDA reaction tank paddle stirrer of claim 1, wherein: a feeding hole (8) is formed in one side above the outer tank (1), and a sealing cover (9) is arranged on the feeding hole (8).

3. The LDA reaction tank paddle stirrer of claim 1, wherein: the middle part of the lower part of the outer tank (1) is provided with a discharge hole (10), and the discharge hole (10) is provided with a valve (11).

4. The LDA reaction tank paddle stirrer of claim 1, wherein: three supporting legs (12) arranged in a matrix are arranged below the outer tank (1).

5. The LDA reaction tank paddle stirrer of claim 1, wherein: the inclination angle of the first stirring blade (73) is 30-60 degrees, the first stirring blade (73) is a straight plate or an arc-shaped plate, and the inclination angles of the adjacent two first stirring blades (73) are opposite.

6. The LDA reaction tank paddle stirrer of claim 1, wherein: the outer tank (1) outside lateral wall is equipped with control panel (13), be equipped with control button (14) on control panel (13).