CN214553519U

CN214553519U - Double-layer glass reaction kettle for laboratory

Info

Publication number: CN214553519U
Application number: CN202120297339.8U
Authority: CN
Inventors: 罗治斌; 高苏皖
Original assignee: Zhenjiang Cabo Medical Technology Co ltd
Current assignee: Zhenjiang Cabo Medical Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-02
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a double-layer glass reaction kettle for a laboratory, which comprises a double-layer glass reaction kettle body, a condenser and a collecting bottle; the top of the condenser is communicated with a communication port at the top of the double-layer glass reaction kettle body; the bottom of the condenser is communicated with the other communication port of the double-layer glass reaction kettle body through a U-shaped bent pipe; a liquid outlet pipe communicated with the collecting bottle is also arranged at the lowest point of the bottom of the U-shaped bent pipe; the liquid outlet pipe is provided with a first control valve; a second control valve is arranged at one end of the U-shaped bent pipe close to the condensing tank, and a third control valve is arranged at one end close to the double-layer glass reaction kettle body; the top of the collecting bottle is also provided with an exhaust valve; the utility model does not use a turnover barrel to discharge and pump materials, thereby reducing the risk of introducing secondary pollution in the reaction process; the U-shaped structure of the U-shaped bent pipe can ensure stable reflux quantity and can also prevent gas in the reaction kettle from entering the condenser through the U-shaped bent pipe.

Description

Double-layer glass reaction kettle for laboratory

Technical Field

The utility model relates to a glass reation kettle's technical field especially relates to a double glazing reation kettle is used in laboratory.

Background

The double-layer glass reaction kettle is designed by double-layer glass, reaction solvent is placed in the inner layer to carry out stirring reaction, and different cold and heat sources (refrigerating fluid, hot water or hot oil) can be introduced into the interlayer to carry out circulating heating or cooling reaction. The reaction solution can be stirred and reacted under normal pressure or negative pressure according to the use requirement in a closed glass reactor under the set constant temperature condition, and can be used for refluxing and distilling the reaction solution, so that the device is ideal pilot plant and production equipment for modern fine factories, biopharmaceuticals and new material synthesis.

In the process of medicine production, generally, a medicine solvent in a double-layer glass reaction kettle is condensed by a condenser in a vacuum state, and the solvent flows into a collection bottle. When the solvent reaches the position of the collecting bottle 2/3, the reaction is stopped, the vacuum is released, the medicine solvent is put into the turnover barrel, and the medicine solvent in the turnover barrel is pumped into the reaction kettle under the action of the vacuum to continue the reaction. However, the circulation barrel is adopted, so that the risk of secondary pollution is easily brought, and the continuous reaction is easily interrupted by the circulation operation, so that the reaction stability is influenced; in addition, manual operation wastes time and labor, the risk of damage is brought to the glass container, the reaction time is prolonged by discharging and pumping, the reaction time cannot be accurately controlled, and the reaction stability is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: the utility model provides a laboratory is with double glazing reation kettle, can solve the problem that above-mentioned background art mentioned.

In order to solve the main technical problems, the following technical scheme is adopted:

a double-layer glass reaction kettle for a laboratory comprises a double-layer glass reaction kettle body, a condenser and a collecting bottle; the air inlet at the top of the condenser is communicated with the communication port at the top of the double-layer glass reaction kettle body; the bottom outlet of the condenser is communicated with the other communication port of the double-layer glass reaction kettle body through a U-shaped bent pipe; a liquid outlet pipe communicated with the collecting bottle is further arranged at the lowest point of the bottom of the U-shaped bent pipe; the lowest point of the U-shaped bent pipe is higher than the top cover of the double-layer glass reaction kettle body; the liquid outlet pipe is provided with a first control valve; a second control valve is arranged at one end of the U-shaped bent pipe close to the condensing tank, and a third control valve is arranged at one end of the U-shaped bent pipe close to the double-layer glass reaction kettle body; and an exhaust valve is also arranged at the top of the collecting bottle.

Preferably, the double-layer glass reaction kettle body is fixed on the support frame; the bottom of the support frame is provided with a universal wheel with a brake assembly; the collecting bottle and the condenser are also fixed on the supporting frame.

Preferably, a circuit controller is further fixed on the support frame.

Preferably, the bottom of the collecting bottle is provided with a drain valve.

Preferably, the device also comprises a stirring mechanism and a thermometer; the stirring mechanism comprises a stirring motor and a stirring shaft capable of rotating under the action of the stirring motor; the stirring shaft is inserted from the top of the double-layer glass reaction kettle body, and double-layer stirring blades are arranged at the bottom of the stirring shaft; the thermometer is inserted into the double-layer glass reaction kettle body from the top of the double-layer glass reaction kettle body.

Preferably, the top of the double-layer glass reaction kettle body is also communicated with a constant-pressure funnel.

Preferably, a condensation pipe spirally arranged from top to bottom is arranged in the condenser; the cooling liquid communicated with the outside flows in the condensation pipe; and both ends of the condensation pipe penetrate through the side wall of the condenser and extend to the outside of the condenser.

Compared with the prior art, the utility model discloses the following advantage is equipped with to the utensil:

(1) the utility model discloses do not use the turnover bucket to discharge and take out the material, reduced the risk that introduces secondary pollution in the reaction process.

(2) The bottom outlet of the condenser is communicated with a U-shaped bent pipe, the U-shaped structure can ensure stable reflux quantity, and gas in the reaction kettle can be prevented from entering the condenser through the U-shaped bent pipe.

(3) A second control valve is arranged, and noncondensable gas entering the U-shaped bent pipe can be discharged; the reaction process of backflow can be controlled by adjusting the exhaust valve, the first control valve and the third control valve, and continuous operation and backflow reaction progress are guaranteed.

Drawings

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

Fig. 1 is a schematic view of the overall structure.

In the figure: 1 is double glazing reation kettle body, 2 is the condenser, 21 is the condenser pipe, 3 is the receiving flask, 31 is the discharge valve, 32 is the flowing back valve, 4 is the U-shaped return bend, 41 is the drain pipe, 5 is first control valve, 6 is the second control valve, 7 is the third control valve, 8 is the support frame, 9 is the universal wheel, 10 is the circuit controller, 11 is the thermometer, 12 is agitator motor, 13 is the (mixing) shaft, 14 is the stirring leaf, 15 is the constant voltage funnel.

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 work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

Referring to fig. 1, a double-layer glass reaction kettle for a laboratory comprises a double-layer glass reaction kettle body 1, a condenser 2 and a collection bottle 3; the double-layer glass reaction kettle body 1 comprises inner-layer glass and outer-layer glass; there is the cavity that holds hot-fluid or cold fluid between inlayer glass and the outer glass, this cavity intercommunication has the import that is located double glazing reation kettle body 1 top and the export that is located double glazing reation kettle body 1 bottom, is the inner chamber of double glazing reation kettle body 1 in the inlayer glass, and the top of double glazing reation kettle body 1 is provided with the charge door, and the bottom is provided with the drain hole.

The top of the double-layer glass reaction kettle body 1 is also provided with a stirring mechanism, a thermometer 11 and a constant pressure funnel 15; the thermometer 11 is inserted into the inner cavity of the double-layer glass reaction kettle body 1 from the top of the double-layer glass reaction kettle body 1; the constant pressure funnel 15 is communicated with the interior of the double-layer glass reaction kettle body 1; the stirring mechanism comprises a stirring motor 12 and a stirring shaft 13; the stirring shaft 13 is inserted into the inner cavity of the double-layer glass reaction kettle body 1 from the top of the double-layer glass reaction kettle body 1; the top of the stirring shaft 13 is connected with a stirring motor 12; the bottom of the stirring shaft 13 is provided with a double-layer stirring blade 14; the stirring shaft 13 drives the stirring blades 14 to rotate under the action of the stirring motor 12 so as to stir the materials in the double-layer glass reaction kettle body 1.

The double-layer glass reaction kettle body 1 is fixed on the support frame 8 through a hoop and the like; the collecting bottle 3 and the condenser 2 are also fixed on the supporting frame 8; a circuit controller 10 is also fixed on the support frame 8; in order to facilitate the movement of the whole device, the bottom of the support frame 8 is provided with a universal wheel 9 with a brake assembly.

The top of the condenser 2 is provided with an air inlet, and the bottom of the condenser is provided with a return port; a condensing pipe 21 which is spirally arranged from top to bottom is arranged in the condenser 2; a cooling liquid communicated with the outside flows in the condensation pipe 21; both ends of the condensation pipe 21 extend to the outside of the condenser 2 through the side wall of the condenser 2; an air inlet at the top of the condenser 2 is communicated with a communication port at the top of the double-layer glass reaction kettle body 1; the communication between the air inlet of the condenser 2 and the top of the double-layer glass reaction kettle body 1 is based on the prior art; a bottom reflux port of the condenser 2 is communicated with one end of a U-shaped bent pipe 4, and the other end of the U-shaped bent pipe 4 is communicated with an inner cavity of the double-layer glass reaction kettle body 1; a liquid outlet pipe 41 is further arranged at the lowest point of the bottom of the U-shaped bent pipe 4; the liquid outlet pipe 41 is communicated with the top of the collecting bottle 3; the lowest point of the U-shaped elbow 4 is higher than the top cover of the double-layer glass reaction kettle body 1, so that the condensed liquid can directly flow back into the double-layer glass reaction kettle body 1; the structure of the U-shaped bent pipe 4 can ensure the stable reflux quantity and can also prevent the gas in the reaction kettle from entering the condenser 2 from the U-shaped bent pipe 4; the liquid outlet pipe 41 is provided with a first control valve 5; a second control valve 6 is arranged at one end of the U-shaped bent pipe 4 close to the condensing pipe 21, and a third control valve 7 is arranged at one end close to the double-layer glass reaction kettle body 1; the top of the collecting bottle 3 is provided with an exhaust valve 31, and the bottom of the collecting bottle 3 is provided with a drain valve 32; the reflux reaction process can be controlled by adjusting the exhaust valve 31, the first control valve 5 and the third control valve 7; the second control valve 6 is capable of discharging non-condensable gasses.

The utility model discloses a working process does: during the use, thereby it has the heat source to flow between double glazing reation kettle body 1's inlayer glass and the outer glass to heat double glazing reation kettle body 1, volatilizees in the double glazing reation kettle body 1 and gas gets into in the condenser 2 through the air inlet at condenser 2 top and condenses, and liquid after the condensation reachs in the U-shaped return bend 4, then partly flows back to in the double glazing reation kettle body 1, and another part flows back to in the receiving flask 3.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.

Claims

1. The utility model provides a double glazing reation kettle is used in laboratory which characterized in that: comprises a double-layer glass reaction kettle body, a condenser and a collecting bottle; the air inlet at the top of the condenser is communicated with the communication port at the top of the double-layer glass reaction kettle body; the bottom outlet of the condenser is communicated with the other communication port of the double-layer glass reaction kettle body through a U-shaped bent pipe; a liquid outlet pipe communicated with the collecting bottle is further arranged at the lowest point of the bottom of the U-shaped bent pipe; the lowest point of the U-shaped bent pipe is higher than the top cover of the double-layer glass reaction kettle body; the liquid outlet pipe is provided with a first control valve; a second control valve is arranged at one end of the U-shaped bent pipe close to the condensing tank, and a third control valve is arranged at one end of the U-shaped bent pipe close to the double-layer glass reaction kettle body; and an exhaust valve is also arranged at the top of the collecting bottle.

2. The double-layer glass reaction kettle for the laboratory according to claim 1, wherein: the double-layer glass reaction kettle body is fixed on the support frame; the bottom of the support frame is provided with a universal wheel with a brake assembly; the collecting bottle and the condenser are also fixed on the supporting frame.

3. The double-layer glass reaction kettle for the laboratory according to claim 2, wherein: and a circuit controller is also fixed on the support frame.

4. The double-layer glass reaction kettle for the laboratory according to claim 1, wherein: and a liquid discharge valve is arranged at the bottom of the collecting bottle.

5. The double-layer glass reaction kettle for the laboratory according to claim 1, wherein: the device also comprises a stirring mechanism and a thermometer; the stirring mechanism comprises a stirring motor and a stirring shaft capable of rotating under the action of the stirring motor; the stirring shaft is inserted from the top of the double-layer glass reaction kettle body, and double-layer stirring blades are arranged at the bottom of the stirring shaft; the thermometer is inserted into the double-layer glass reaction kettle body from the top of the double-layer glass reaction kettle body.

6. The double-layer glass reaction kettle for the laboratory according to claim 1, wherein: the top of the double-layer glass reaction kettle body is also communicated with a constant-pressure funnel.

7. The double-layer glass reaction kettle for the laboratory according to claim 1, wherein: a condenser pipe spirally arranged from top to bottom is arranged in the condenser; the cooling liquid communicated with the outside flows in the condensation pipe; and both ends of the condensation pipe penetrate through the side wall of the condenser and extend to the outside of the condenser.