Stirring kettle for molecular rectification

Abstract

The utility model discloses a stirring kettle for molecular rectification, which comprises a kettle body and a kettle cover covering the kettle body, the kettle cover is provided with a feed port, the kettle body is arranged on a movable mounting rack, the stirring kettle further comprises a stirring component and a first condenser, the bottom end of the first condenser is connected with a first receiving bottle, and the top end of the first condenser is provided with a flange grinding port; the second condenser is arranged on the outer side of the first condenser and is in sealed connection with the first condenser, and the bottom end of the second condenser is connected with a second receiving bottle; and a third receiving bottle is arranged at the bottom end of the cold trap. The distillation device disclosed by the utility model has the beneficial effects that the first condenser, the second condenser and the cold trap which are connected in series are arranged, and the structural arrangement of the condensers is improved, so that the distillation effect is better; flange ground connection replaces traditional ground connection to improve vacuum, distillation efficiency is improved, the first condenser and a connecting pipeline are both of a double-layer structure, and a condenser receiving tank and the pipeline are subjected to heat preservation to prevent material solidification.

Description

Technical Field

[0001] The utility model relates to the technical field of distillation, in particular to a stirring kettle for molecular distillation. Background Art

[0002] A reactor is broadly defined as a container for physical and chemical reactions. Through structural design and parameter configuration, it achieves the heating, evaporation, cooling, and low- and high-speed mixing functions required by the process. In the field of chemical machinery, various types of reactors are used in many production processes.

[0003] At present, the distillation reactor is a device that can combine reaction and distillation. It has many advantages and improves the effect of distillation. However, the existing distillation reactor has many defects. For example, the distillation reactor is inefficient when used to distill and purify high-melting-point substances and is prone to solidification and clogging of pipelines. Utility Model Content

[0004] The purpose of the utility model is to provide a stirred kettle for molecular distillation to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a stirred kettle for molecular distillation, comprising a kettle body and a kettle cover covering the kettle body, wherein the kettle cover is provided with a feed inlet, and the kettle body is mounted on a movable mounting frame, and further comprising:

[0006] A stirring assembly, the stirring assembly being arranged on the mounting frame and extending through the kettle cover into the kettle body;

[0007] A first condenser is provided on one side of the mounting frame and is sealed to the kettle cover via a sandwich pipe. The bottom end of the first condenser is connected to a first receiving bottle, and the top end of the first condenser is provided with a flange ground joint;

[0008] a second condenser, disposed outside the first condenser and sealed to the first condenser, wherein the bottom end of the second condenser is connected to a second receiving bottle; and

[0009] A cold trap is arranged outside the second condenser and is communicated with the second condenser. A third receiving bottle is provided at the bottom of the cold trap.

[0010] Preferably, the kettle body is a sandwich structure composed of double-layer stainless steel, and is provided with a sandwich outlet and a sandwich inlet.

[0011] Preferably, a controller is provided on the mounting frame.

[0012] Preferably, the kettle cover is provided with a temperature measuring port, a pressure relief port, a nitrogen port and a pressure gauge.

[0013] Preferably, the first condenser is a double-layer glass condenser, and the second condenser is a single-layer glass condenser.

[0014] Preferably, the stirring assembly includes a motor, a driving shaft of the motor is connected to a stirring rod, and one end of the stirring rod located in the kettle body is provided with an anchor stirring portion.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention improves the structural arrangement of the condenser by arranging a first condenser, a second condenser and a cold trap in series, thereby achieving better distillation effect; the flange ground connection replaces the traditional ground connection to improve vacuum and improve distillation efficiency; the first condenser and the connecting pipe both use a double-layer structure to insulate the condenser receiving tank and the pipe to prevent material solidification. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the utility model.

[0017] In the figure: 1. Kettle body; 11. Interlayer outlet; 12. Interlayer inlet; 2. Kettle cover; 21. Temperature measuring port; 22. Pressure relief port; 23. Nitrogen port; 24. Pressure gauge; 3. Mounting bracket; 31. Controller; 4. Stirring assembly; 41. Motor; 42. Stirring rod; 43. Stirring part; 5. First condenser; 51. First receiving bottle; 53. Flange ground joint; 6. Second condenser; 61. Second receiving bottle; 7. Cold trap; 71. Third receiving bottle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1, The utility model provides a technical solution: a stirred kettle for molecular distillation, taking a 50L stirred kettle as an example, the reactor is usually made of materials such as 304, 316, 316L, titanium alloy, Hastelloy, fluorine lining, etc. The stirred kettle comprises a kettle body 1 and a kettle cover 2 covering the kettle body 1, the kettle cover 2 is provided with a feed port for material input, the kettle cover 2 is provided with a temperature measuring port 21, a pressure relief port 22, a nitrogen port 23 and a pressure gauge 24, the kettle body 1 is a sandwich structure composed of double-layer stainless steel, provided with a sandwich outlet 11 and a sandwich inlet 12, the sandwich can be cooled by pouring water into the kettle body 1, the kettle body 1 is arranged on a movable mounting frame 3, the bottom end of the kettle body 1 is provided with a ball valve for discharging, the mounting frame 3 is provided with a controller 31, the controller 31 contains a PLC module for corresponding control during the stirring of the reactor, and the bottom end of the mounting frame 3 is provided with a Forma wheel, which is convenient for moving the stirred kettle to different places and fixing it.

[0020] In addition, the stirring kettle also includes a stirring assembly 4, a first condenser 5, a second condenser 6 and a cold trap 7. The stirring assembly 4 is arranged on the mounting frame 3 and extends through the kettle cover 2 to the kettle body 1 for stirring the material. The stirring assembly 4 includes a motor 41, a stirring rod 42 and a stirring part 43. The motor 41 is a 120W speed-regulating motor, and its output shaft is downwardly mounted on the top of the mounting frame 3. The stirring rod 42 is connected to the output shaft of the motor 41 through a coupling. The stirring rod 42 extends through the kettle cover 2 to the kettle body 1. The bottom end of the stirring rod 42 is provided with a stirring part 43, and the stirring part 43 is anchor-shaped.

[0021] The first condenser 5 is arranged on one side of the mounting frame 3. The first condenser 5 is sealedly connected to the kettle cover 2 through a sandwich pipe 8. The bottom end of the first condenser 5 is connected to the first receiving bottle 51. The first condenser 5 is a double-layer glass condenser. The first receiving bottle 51 has a capacity of 20L. The bottom end of the first receiving bottle 51 is provided with a discharge valve, and the top end of the first condenser 5 is provided with a flange ground mouth 52. The flange ground mouth 52 adopts the traditional ground mouth of the flange plate, which can improve the vacuum, improve the distillation efficiency, and insulate the condenser receiving tank and the pipeline to prevent the material from solidifying.

[0022] The second condenser 6 is arranged on the outside of the first condenser 5 and is sealed with the first condenser 5. The bottom end of the second condenser 6 is connected to the second receiving bottle 61. The second condenser 61 is a single-layer glass condenser. The second receiving bottle 61 has a capacity of 10L. An oil-free valve is provided at the bottom end of the second receiving bottle, and an air vent is provided at the top of the second condenser 6 for discharging nitrogen.

[0023] The cold trap 7 is arranged outside the second condenser 6 and is connected to the second condenser 6. A third receiving bottle 71 is provided at the bottom of the cold trap 7. The cold trap 7 is made of glass and has a capacity of 2L. An air extraction port is provided at the top of the cold trap 7 for connecting a vacuum pump.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stirred kettle for molecular distillation, comprising a kettle body and a kettle cover covering the kettle body, wherein the kettle cover is provided with a feed inlet, and the kettle body is mounted on a movable mounting frame, characterized in that: Also includes: A stirring assembly, the stirring assembly being arranged on the mounting frame and extending through the kettle cover into the kettle body; A first condenser is provided on one side of the mounting frame and is sealed to the kettle cover via a sandwich pipe. The bottom end of the first condenser is connected to a first receiving bottle, and the top end of the first condenser is provided with a flange ground joint; A second condenser is provided outside the first condenser and is sealed to the first condenser, and a second receiving bottle is connected to the bottom end of the second condenser; as well as A cold trap is arranged outside the second condenser and is communicated with the second condenser. A third receiving bottle is provided at the bottom of the cold trap.

2. A stirred tank for molecular distillation according to claim 1, characterized in that: The kettle body is a sandwich structure composed of double-layer stainless steel and is provided with a sandwich outlet and a sandwich inlet.

3. A stirred tank for molecular distillation according to claim 1, characterized in that: A controller is provided on the mounting frame.

4. A stirred tank for molecular distillation according to claim 1, characterized in that: The kettle cover is provided with a temperature measuring port, a pressure relief port, a nitrogen port and a pressure gauge.

5. The stirred tank for molecular distillation according to claim 1, characterized in that: The first condenser is a double-layer glass condenser, and the second condenser is a single-layer glass condenser.

6. A stirred tank for molecular distillation according to claim 1, characterized in that: The stirring assembly includes a motor, a driving shaft of the motor is connected to a stirring rod, and one end of the stirring rod located in the kettle body is provided with an anchor stirring portion.

Images