CN221816097U - Reaction kettle for trimethyl phosphite - Google Patents

Abstract

The utility model discloses a reaction kettle for trimethyl phosphite, which comprises a reaction kettle body, wherein a rotary stirring assembly is arranged on the reaction kettle body, a barrel cavity is formed on the reaction kettle body, a side wall box is fixedly arranged on one side of the reaction kettle body, a communicating cavity is formed on the side wall box, the communicating cavity is communicated with the barrel cavity, and a blower and the barrel cavity are arranged in the reaction process, the operation of hair-dryer produces the blowing and advances in the staving cavity, discharges heat from the air outlet, through blowing the heat extraction, avoids reaction in-process, and the temperature is too high, influences the reaction, and when the temperature during the reaction was lower, through opening of controller control heating pipe, the back was opened to the heating pipe, produces the heat, and the cooperation hair-dryer is bloied, blows the hot-blast of heating to the staving cavity in to realize the heating of reation kettle body, effectively to reaction in-process, the lower or higher problem of temperature.

Description

A kind of reaction kettle for trimethyl phosphite

Technical Field

The utility model relates to the technical field of triphenyl phosphite production, in particular to a reaction kettle used for trimethyl phosphite.

Background Art

Trimethyl phosphite is an organic compound with the chemical formula C3H9O3P. It is a colorless, transparent liquid that is insoluble in hot water but soluble in organic solvents such as ethanol, ether, benzene, acetone, and carbon tetrachloride.

After searching, the patent with application number CN201720312580.7 discloses a triphenyl phosphite reactor. When the reactor reacts with trimethyl phosphite, certain temperature requirements are required. Higher or lower temperatures will affect the reaction speed and time. At the same time, during the reaction, a reaction solvent needs to be added. When adding, it is poured directly from above. After pouring directly, a large amount of reaction solution is located in the upper layer and cannot be quickly and fully mixed with the internal liquid for reaction. Therefore, a reactor for trimethyl phosphite is proposed.

Utility Model Content

In view of the deficiencies in the prior art, the utility model provides a reaction kettle for trimethyl phosphite, which is used to solve the above problems.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A reactor for trimethyl phosphite comprises a reactor body, a rotating stirring assembly is arranged on the reactor body, a barrel cavity is opened on the reactor body, a side wall box is fixedly installed on one side of the reactor body, a connecting cavity is opened on the side wall box, the connecting cavity is connected to the barrel cavity, a hair dryer is connected to one side of the side wall box, a heating assembly is arranged in the side wall box, a delivery pipe is movably installed on the reactor body, a pressing air bag is connected to the top end of the delivery pipe, and a bottom adding nozzle is connected to the bottom end of the delivery pipe.

Preferably, the rotary stirring assembly comprises a driving motor fixedly mounted on the top side of the reactor body, the output end of the driving motor extends into the reactor body and is fixedly mounted with a plurality of stirring blades.

Preferably, the heating assembly includes a heating tube installed in the connecting cavity, and a controller is installed on one side of the side wall box.

Preferably, an air outlet is provided on one side of the reactor body, and the air outlet is communicated with the barrel cavity and the connecting cavity.

Preferably, a feeding port is provided on the top side of the reactor body, and a drain pipe is provided on the bottom side of the reactor body.

Preferably, a sealing cap is installed on the pressing airbag, a liquid scale is provided on the outer side of the pressing airbag, and the pressing airbag is made of transparent silicone.

Preferably, two connection blocks are fixedly mounted on the inner wall of the top side of the reactor body, and the same annular scraper is fixedly mounted on the bottom sides of the two connection blocks, and the annular scraper is movably sleeved on the conveying pipe.

Compared with the prior art, the utility model has the following beneficial effects: the reactor for trimethyl phosphite is provided with a rotating stirring component during the reaction process, which can better carry out the reaction through rotating stirring; the blower and the barrel cavity are provided, and during the reaction process, the blower generates air to be blown into the barrel cavity, and the heat is discharged from the air outlet; the heat is discharged through the blowing, and the temperature is prevented from being too high during the reaction process, which affects the reaction; when the temperature during the reaction is low, the heating tube is turned on by the controller, and heat is generated after the heating tube is turned on, and the heated air is blown into the barrel cavity in cooperation with the blower, thereby heating the reactor body, and effectively coping with the problem of low or high temperature during the reaction process;

When the reaction liquid needs to be added to the pressing airbag, the pressing airbag is squeezed and the internal liquid will be transported along the delivery tube and sprayed out from multiple bottom adding nozzles. During the pressing process, the delivery tube is continuously moved up and down to add liquid at different heights, thereby achieving uniform addition of liquid, and cooperating with the stirring of the stirring blade to achieve uniform and sufficient reaction.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the left-side stereoscopic structure of the utility model;

FIG2 is a schematic diagram of the structure of the utility model from the right side;

FIG3 is a schematic cross-sectional view of the structure of the present invention;

FIG. 4 is a schematic structural diagram of part A in FIG. 3 of the present invention.

In the figure: 1. Reactor body; 2. Adding port; 3. Driving motor; 4. Stirring blade; 5. Barrel cavity; 6. Side wall box; 7. Connecting cavity; 8. Blower; 9. Controller; 10. Heating tube; 11. Air outlet; 12. Pressing airbag; 13. Delivery pipe; 14. Bottom adding nozzle; 15. Liquid scale; 16. Adding sealing cap; 17. Connecting block; 18. Annular scraper.

DETAILED DESCRIPTION

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

Embodiment: With reference to Figures 1-4, a reactor for trimethyl phosphite comprises a reactor body 1, on which a rotating stirring assembly is provided, on which a barrel cavity 5 is opened, on which a side wall box 6 is fixedly mounted, on one side of the reactor body 1, a connecting cavity 7 is opened, the connecting cavity 7 is connected to the barrel cavity 5, on one side of the side wall box 6 a hair dryer 8 is connected, inside of the side wall box 6 a heating assembly is provided, on which a delivery pipe 13 is movably mounted, on which a pressing airbag 12 is connected at the top end, and a bottom adding nozzle 14 is connected at the bottom end of the delivery pipe 13.

Specifically, the rotary stirring assembly includes a drive motor 3 fixedly mounted on the top side of the reactor body 1, the output end of the drive motor 3 extends into the reactor body 1, and a plurality of stirring blades 4 are fixedly mounted thereon. The rotary stirring assembly is set, and the drive motor 3 on the rotary stirring assembly runs, driving the plurality of stirring blades 4 to rotate. Through rotary stirring, the reaction can be better carried out.

Specifically, an air outlet 11 is provided on one side of the reactor body 1, and the air outlet 11 is connected to the barrel body cavity 5 and the connecting cavity 7. The hair dryer 8 and the barrel body cavity 5 are provided. During the reaction process, a high temperature appears. At this time, the hair dryer 8 is started to blow air into the barrel body cavity 5 to discharge heat from the air outlet 11. The heat is discharged by blowing air to avoid excessive temperature during the reaction and affecting the reaction. The heating component includes a heating tube 10 installed in the connecting cavity 7. A controller 9 is installed on one side of the side wall box 6. When the temperature during the reaction is low, the heating tube 10 is controlled to be turned on by the controller 9. After the heating tube 10 is turned on, heat is generated, and the hair dryer 8 is used to blow air to blow the heated hot air into the barrel body cavity 5, thereby heating the reactor body 1 and effectively dealing with the problem of low or high temperature during the reaction.

Specifically, the top side of the reactor body 1 is provided with an addition port 2, the bottom side of the reactor body 1 is provided with a drain pipe, an addition sealing cap 16 is installed on the pressing airbag 12, and a liquid scale 15 is provided on the outer side of the pressing airbag 12. The pressing airbag 12 is transparent silicone. When the reaction liquid needs to be added, the addition sealing cap 16 is opened, and the reaction liquid is poured in, and then the addition sealing cap 16 is tightened. By squeezing the pressing airbag 12, the internal liquid will be transported along the delivery pipe 13 and sprayed out from the multiple bottom adding nozzles 14. During the pressing process, The delivery pipe 13 is continuously moved up and down, and the liquid medicine can be added to different heights, so as to realize uniform addition of the liquid medicine, and the stirring of the stirring blade 4 is coordinated to achieve uniform and sufficient reaction. Two connecting blocks 17 are fixedly installed on the inner wall of the top side of the reactor body 1, and the bottom sides of the two connecting blocks 17 are fixedly installed with the same annular scraper 18, which is movably sleeved on the delivery pipe 13. The annular scraper 18 is set, and when the delivery pipe 13 moves upward, the liquid on the outer wall of the delivery pipe 13 can be scraped off by the annular scraper 18 to avoid it from coming out.

During use: when the reactor body 1 for trimethyl phosphite is reacting, an addition port 2 is provided on the reactor body 1 for adding raw materials. During the reaction, a rotating stirring component is provided. The driving motor 3 on the rotating stirring component is operated to drive multiple stirring blades 4 to rotate. Through rotating stirring, the reaction can be better carried out. The provided hair dryer 8 and the barrel cavity 5 have a high temperature during the reaction. At this time, the hair dryer 8 is started to blow air into the barrel cavity 5, and the heat is discharged from the air outlet 11. The heat is discharged by blowing air to avoid excessive temperature during the reaction process, which affects the reaction. When the temperature during the reaction is low, the heating tube 10 is turned on by the controller 9. After the heating tube 10 is turned on, heat is generated, and the hair dryer 8 blows air to blow the heated hot air into the barrel cavity. 5, so as to realize the heating of the reactor body 1, and effectively deal with the problem of low or high temperature in the reaction process. The pressing airbag 12 is set. When the reaction liquid needs to be added, the adding sealing cap 16 is opened, and the reaction liquid is poured in, and then the adding sealing cap 16 is tightened. By squeezing and pressing the airbag 12, the internal liquid will be transported along the delivery pipe 13 and sprayed out from the multiple bottom adding nozzles 14. In the process of pressing, the delivery pipe 13 is continuously moved up and down, and the liquid can be added to different heights, so as to realize uniform addition of liquid, and cooperate with the stirring of the stirring blade 4 to achieve uniform and sufficient reaction. The annular scraper 18 is set. When the delivery pipe 13 moves upward, the liquid on the outer wall of the delivery pipe 13 can be scraped off by the annular scraper 18 to avoid getting it out, which is convenient to use.

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

Claims (7)

1. A reactor for trimethyl phosphite, comprising a reactor body (1), characterized in that a rotating stirring assembly is provided on the reactor body (1), a barrel cavity (5) is provided on the reactor body (1), a side wall box (6) is fixedly installed on one side of the reactor body (1), a connecting cavity (7) is provided on the side wall box (6), the connecting cavity (7) is connected to the barrel cavity (5), a blower (8) is connected to one side of the side wall box (6), a heating assembly is provided in the side wall box (6), a delivery pipe (13) is movably installed on the reactor body (1), a pressing air bag (12) is connected to the top end of the delivery pipe (13), and a bottom adding nozzle (14) is connected to the bottom end of the delivery pipe (13). 2. A reactor for trimethyl phosphite according to claim 1, characterized in that the rotating stirring assembly comprises a drive motor (3) fixedly mounted on the top side of the reactor body (1), the output end of the drive motor (3) extends into the reactor body (1) and is fixedly mounted with a plurality of stirring blades (4). 3. A reactor for trimethyl phosphite according to claim 1, characterized in that the heating assembly comprises a heating pipe (10) installed in the connecting cavity (7), and a controller (9) is installed on one side of the side wall box (6). 4. A reactor for trimethyl phosphite according to claim 1, characterized in that an air outlet (11) is provided on one side of the reactor body (1), and the air outlet (11) is connected to the barrel cavity (5) and the connecting cavity (7). 5. A reactor for trimethyl phosphite according to claim 1, characterized in that a feed port (2) is provided on the top side of the reactor body (1), and a drain pipe is provided on the bottom side of the reactor body (1). 6. A reactor for trimethyl phosphite according to claim 1, characterized in that a sealing cap (16) is installed on the pressing airbag (12), a liquid scale (15) is provided on the outer side of the pressing airbag (12), and the pressing airbag (12) is transparent silica gel. 7. A reactor for trimethyl phosphite according to claim 1, characterized in that two connecting blocks (17) are fixedly installed on the top inner wall of the reactor body (1), and the bottom sides of the two connecting blocks (17) are fixedly installed with the same annular scraper (18), and the annular scraper (18) is movably sleeved on the delivery pipe (13).