CN210674295U

CN210674295U - Reaction kettle device for vacuum concentration and cooling crystallization

Info

Publication number: CN210674295U
Application number: CN201920650163.2U
Authority: CN
Inventors: 墨玉欣; 杨波; 徐勇虎
Original assignee: Nanjing Anbaisi Biotechnology Co ltd
Current assignee: Nanjing Anbaisi Biotechnology Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-06-05
Anticipated expiration: 2029-05-08

Abstract

The utility model relates to the technical field of chemical industry, in particular to a reaction kettle device for vacuum concentration and cooling crystallization. Including the reation kettle main part, outer water bath presss from both sides the cover, the inlayer oil bath presss from both sides the cover, inverter motor, anchor stirring rake, evacuation system and circulation water bath, the top of reation kettle body is equipped with feed inlet and evacuation mouth, the bottom is equipped with the drain hole, the surface of reation kettle body wraps up inlayer oil bath in proper order and presss from both sides the cover and outer water bath presss from both sides the cover, the top of reation kettle body is equipped with inverter motor, inverter motor's bottom is equipped with the motor output shaft, the motor output shaft gos deep into the inside of reation kettle body, and lower extreme installation anchor stirring rake, evacuation mouth passes through pipe connection evacuation system, the left and right sides that outer water bath pressed from both sides the cover is equipped with water inlet and delivery port, water inlet and delivery port pass through the pipe and link to each other with circulation water bath, through.

Description

Reaction kettle device for vacuum concentration and cooling crystallization

Technical Field

The utility model relates to the technical field of chemical industry, in particular to a reaction kettle device for vacuum concentration and cooling crystallization.

Background

Vacuum concentration and temperature reduction crystallization are the most conventional unit operations in the production and processing processes of biological medicine raw materials. The vacuum concentration is to heat the material by using a concentration device, when the material is heated to the boiling point of the solvent under the corresponding vacuum degree, the solvent is changed from liquid state to gaseous state, and the steam generated during vaporization is discharged out of the device, so that the concentration of the material is continuously improved until the specified concentration is reached. The cooling crystallization is to cool the saturated solution by refrigeration equipment, and the solute with the solubility greatly changing with the temperature can be separated out in the form of crystals. Vacuum concentration and cooling crystallization are two continuous processes, and the solution after the concentration mostly need carry out the cooling crystallization, but vacuum concentration equipment itself does not possess cooling system, need move the feed liquid to handle in the other equipment, causes the consume of feed liquid very easily at this in-process, to some easy oxidized materials, contact air arouses the rotten of material more easily when the high temperature. This problem can be solved if the two processes are completed in the same device. Therefore, a reaction kettle device for vacuum concentration and temperature reduction crystallization is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the prior art, the utility model provides a reaction kettle device for vacuum concentration and cooling crystallization, aim at puts vacuum concentration and cooling crystallization process and accomplishes at same equipment.

A reaction kettle device for vacuum concentration and cooling crystallization comprises a reaction kettle body, an outer water bath jacket, an inner oil bath jacket, a variable frequency motor, an anchor type stirring paddle, a vacuumizing system and a circulating water bath, wherein a feed inlet and a vacuumizing port are formed in the top of the reaction kettle body, a discharge hole is formed in the bottom of the reaction kettle body, the outer surface of the reaction kettle body sequentially wraps the inner oil bath jacket and the outer water bath jacket, the variable frequency motor is arranged above the reaction kettle body, a motor output shaft is arranged at the bottom of the variable frequency motor and extends into the reaction kettle body, the anchor type stirring paddle is arranged at the lower end of the reaction kettle body, the vacuumizing port is connected with the vacuumizing system through a pipe, a water inlet and a water outlet are formed in the left side and the right side of the outer water bath jacket, and; the vacuum concentration process is realized through a vacuum pumping system, and the cooling crystallization process is realized through circulating water bath.

Furthermore, the inner layer oil bath jacket is filled with heat conducting oil and is provided with an electric heating device and a temperature control system, and the lower end of the outer layer water bath jacket is provided with a water discharge port.

Further, the thickness of the inner oil bath jacket and the outer water bath jacket is 1/8 to 1/12 of the inner diameter of the reaction kettle body.

Further, the heat conducting oil in the inner layer oil bath jacket is 100 ℃.

Furthermore, the circulating water bath comprises a refrigerator, a water tank, a water pump and a temperature control system, and plays a role in temperature reduction.

Further, the vacuum-pumping system comprises a vacuum pump, a condenser and a collecting tank.

Compared with the prior art, the utility model discloses following beneficial effect has:

the surface of reation kettle body wraps up inlayer oil bath in proper order and presss from both sides the cover and the outer water bath presss from both sides the cover, the left and right sides that the outer water bath pressed from both sides the cover is equipped with water inlet and delivery port, water inlet and delivery port pass through the pipe and link to each other with the circulation water bath, and simultaneously, the evacuation mouth at reation kettle body top passes through pipe connection evacuating device, carry out vacuum concentration through evacuating device, the circulation water bath cools down the crystallization, thereby realize the operation that can carry out vacuum concentration and two processes of cooling crystallization in succession in a container, the loss that turns over to the crystallizer again after having avoided traditional device concentration to finish. When the feed liquid only needs to be concentrated, the water in the outer water bath jacket can be emptied, so that the outer jacket plays a role of a heat insulation layer.

Drawings

FIG. 1 is a schematic diagram of a reaction kettle device for vacuum concentration and temperature-reducing crystallization.

Wherein: 1-a reaction kettle body; 2-outer water bath jacket; 3-inner oil bath jacket; 4-a feed inlet; 5-vacuum pumping port; 6-variable frequency motor; 7-discharging port; 8-a water outlet; 9-anchor type stirring paddle; and 10-circulating water bath.

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.

The following is an embodiment of the present invention:

as shown in figure 1, a reaction kettle device for vacuum concentration and cooling crystallization, comprising a reaction kettle body 1, an outer water bath jacket 2, an inner oil bath jacket 3, a variable frequency motor 6, an anchor type stirring paddle 9, a vacuum pumping system and a circulating water bath 10, wherein the top of the reaction kettle body 1 is provided with a feed inlet 4 and a vacuum pumping port 5, the bottom of the reaction kettle body is provided with a discharge port 7, the outer surface of the reaction kettle body 1 is sequentially wrapped by the inner oil bath jacket 3 and the outer water bath jacket 2, the variable frequency motor 6 is arranged above the reaction kettle body 1, the variable frequency motor 6 goes deep into the reaction kettle body 1 through a motor output shaft, and the anchor type stirring paddle 9 is arranged at the lower end of the motor output shaft.

The inner oil bath jacket 3 is filled with heat conduction oil, and is provided with an electric heating device and a temperature control device, the electric heating device is used for heating the heat conduction oil, and the temperature control device is used for controlling the temperature. A water outlet 8 is arranged at the lower end of the outer water bath jacket 2, a water inlet and a water outlet are arranged at the left side and the right side of the outer water bath jacket 2, and the water inlet and the water outlet are connected with a circulating water bath 10 through a conduit. The thickness of the inner oil bath jacket 3 and the thickness of the outer water bath jacket 2 are both 1/8 of the inner diameter of the reaction kettle body 1.

The circulating water bath 10 comprises a refrigerator, a water tank, a water pump and a temperature control system, and has a temperature reduction effect.

The vacuumizing port 5 is connected with a vacuumizing system through a conduit, and the vacuumizing system comprises a vacuum pump, a condenser and a collecting tank and is used for vacuum concentration and controlling the vacuum degree of the reaction kettle.

Pouring 400L of feed liquid into a reaction kettle body 1, starting an anchor type stirring paddle 9, simultaneously starting a heating device of an inner layer oil bath jacket 3, heating heat conducting oil to 130 ℃, then starting a vacuum pump to enable the vacuum degree in the reaction kettle to reach 0.09MPa, carrying out vacuum concentration on the feed liquid until the concentration of the feed liquid reaches 25%, stopping heating the heat conducting oil, unloading the vacuum in the reaction kettle body 1, simultaneously starting a circulating water bath 10, controlling the temperature of the circulating water to be 40 ℃ by a refrigerator and a temperature control system, enabling the circulating water to flow in the outer layer water bath jacket 2 to cool the feed liquid, adjusting the circulating water bath 10 to cool the feed liquid at the rate of 5 ℃ per hour when the temperature of the feed liquid is gradually reduced to 40 ℃, stopping cooling when the temperature is reduced to 15 ℃, separating out a large amount of crystals in the feed liquid at the moment, and maintaining the temperature for two hours at 15 ℃, and finishing crystallization.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A reaction kettle device for vacuum concentration and cooling crystallization is characterized by comprising a reaction kettle body (1), an outer water bath jacket (2), an inner oil bath jacket (3), a variable frequency motor (6), an anchor stirring paddle (9), a vacuumizing system and a circulating water bath (10), wherein a feed inlet (4) and a vacuumizing port (5) are formed in the top of the reaction kettle body (1), a discharge hole (7) is formed in the bottom of the reaction kettle body, the inner oil bath jacket (3) and the outer water bath jacket (2) are sequentially wrapped by the outer surface of the reaction kettle body (1), the variable frequency motor (6) is arranged above the reaction kettle body (1), a motor output shaft is arranged at the bottom of the variable frequency motor (6), the motor output shaft extends into the reaction kettle body (1), the anchor stirring paddle (9) is installed at the lower end of the reaction kettle body, and the vacuumizing port (5) is connected with the vacuumizing system through a guide pipe, the left side and the right side of the outer water bath jacket (2) are provided with a water inlet and a water outlet which are connected with the circulating water bath (10) through a conduit; the vacuum-pumping system realizes a vacuum concentration process, and the circulating water bath realizes a cooling crystallization process.

2. The reaction kettle device for vacuum concentration and temperature reduction crystallization as claimed in claim 1, wherein the inner layer oil bath jacket (3) is filled with heat conducting oil and is provided with an electric heating device and a temperature control system, and the lower end of the outer layer water bath jacket (2) is provided with a water discharge port (8).

3. The reactor apparatus for vacuum concentration and temperature-reducing crystallization as claimed in claim 2, wherein the thickness of the inner water bath jacket (3) and the outer water bath jacket (2) is 1/8 to 1/12 of the inner diameter of the reactor body (1).

4. The reactor apparatus for vacuum concentration and temperature-reducing crystallization as claimed in claim 3, wherein the circulating water bath (10) comprises a refrigerator, a water tank, a water pump and a temperature control system, and has a temperature-reducing function.

5. The reactor apparatus for vacuum concentration and temperature-reducing crystallization according to claim 4, wherein the vacuum pumping system comprises a vacuum pump, a condenser and a collection tank.