CN218187972U

CN218187972U - Rectification separation tower for chlorobenzene material containing phosphorus trichloride

Info

Publication number: CN218187972U
Application number: CN202222262120.1U
Authority: CN
Inventors: 马林; 于继明; 周应明; 赵庆鲁
Original assignee: Ningxia Kaidelai Technology Co ltd
Current assignee: Ningxia Kaidelai Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-03
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a contain phosphorus trichloride chlorobenzene material rectification knockout tower, including device base, atmospheric rectification knockout tower and vacuum rectification knockout tower, the supporting legs is installed to the bottom of device base, atmospheric rectification knockout tower is installed at the top of device base, the vacuum pump is installed at the top of device base, and vacuum rectification knockout tower and vacuum pump are located one side of atmospheric rectification knockout tower in proper order, the intake pipe is installed at the top of vacuum pump, and the one end of intake pipe runs through one side of vacuum rectification knockout tower, the blast pipe is installed at the top of vacuum pump, and the filter screen is installed to the one end of blast pipe, and the panel board is installed at the top of vacuum pump, and blast pipe and panel board are located one side of intake pipe in proper order, the utility model discloses an install the vacuum pump, can extract high-purity chlorobenzene, effectively improve the recycle ratio of chlorobenzene, reduced manufacturing cost.

Description

Rectification separation tower for chlorobenzene material containing phosphorus trichloride

Technical Field

The utility model relates to a rectification knockout tower technical field specifically is containing phosphorus trichloride chlorobenzene material rectification knockout tower.

Background

The rectifying tower is a tower-type gas-liquid contact device for rectification, and its main function is to separate two or more mixtures with different boiling points, and regulate the purity of product quality by reflux.

Chlorobenzene and yellow phosphorus are used as raw materials, monophenyl phosphorus dichloride, diphenyl phosphorus chloride, triphenylphosphine, phosphorus trichloride, free phosphorus, unreacted raw material chlorobenzene and the like are obtained through reaction under certain reaction conditions, and the conventional rectifying device is difficult to effectively separate the phosphorus trichloride from the chlorobenzene due to the fact that the boiling points of the phosphorus trichloride and the chlorobenzene are relatively close, so that the phosphorus trichloride and the chlorobenzene cannot be recycled respectively, the production cost is increased undoubtedly, the production profit is reduced, and great waste is caused.

The defects of the rectification separation tower in the prior art are as follows:

the method has the advantages that the method is difficult to separate and purify the mixed solution containing phosphorus trichloride and chlorobenzene, so that the raw material chlorobenzene cannot be recycled, the product phosphorus trichloride cannot be separated to obtain a pure product, the recycling rate of the chlorobenzene is greatly reduced, the production cost is increased, and great inconvenience is brought to operators.

Disclosure of Invention

An object of the utility model is to provide a contain phosphorus trichloride chlorobenzene material rectification knockout tower to solve among the above-mentioned background art the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the rectification separation tower for the materials containing phosphorus trichloride and chlorobenzene comprises a device base, an atmospheric rectification separation tower and a reduced pressure rectification separation tower, wherein supporting legs are installed at the bottom of the device base, the atmospheric rectification separation tower is installed at the top of the device base, the reduced pressure rectification separation tower is installed at the top of the device base, a vacuum pump is installed at the top of the device base, and the reduced pressure rectification separation tower and the vacuum pump are sequentially positioned on one side of the atmospheric rectification separation tower;

the vacuum pump is characterized in that an air inlet pipe is installed at the top of the vacuum pump, one end of the air inlet pipe penetrates through one side of the vacuum rectification separation tower, an exhaust pipe is installed at the top of the vacuum pump, a filter screen is installed at one end of the exhaust pipe, an instrument panel is installed at the top of the vacuum pump, and the exhaust pipe and the instrument panel are sequentially located on one side of the air inlet pipe.

Preferably, the internally mounted of atmospheric distillation knockout tower has first baffle, and the internally mounted of atmospheric distillation knockout tower has first hot plate, and first hot plate is located the top of first baffle, and the opposite side of atmospheric distillation knockout tower runs through and installs the inlet pipe.

Preferably, the top of the atmospheric distillation separation tower is provided with a first rectification pipe, the inner side of the first rectification pipe is provided with a first filter, the top of the atmospheric distillation separation tower is provided with a first barometer, and the first rectification pipe is positioned on one side of the first barometer.

Preferably, a first stirring motor is installed at the bottom of the first partition plate, the first stirring motor is located inside the atmospheric rectification separation tower, a first protection shell is installed on the outer side of the first stirring motor, and a first stirring rod is installed at the output end of the first stirring motor through the first partition plate.

Preferably, a second partition plate is arranged inside the vacuum rectification separation tower, a second heating plate is arranged inside the vacuum rectification separation tower and located above the second partition plate, a waste pipe is arranged on the front face of the vacuum rectification separation tower, and a waste control valve is arranged on the outer side of the waste pipe.

Preferably, a second rectification pipe is installed at the top of the vacuum rectification separation tower, a second filter is installed on the inner side of the second rectification pipe, a second barometer is installed at the top of the vacuum rectification separation tower, and the second rectification pipe is located on one side of the second barometer.

Preferably, a second stirring motor is installed at the bottom of the second partition plate and is located inside the vacuum rectification separation tower, a second protective shell is installed outside the second stirring motor, and a second stirring rod is installed at the output end of the second stirring motor by penetrating through the second partition plate

Preferably, a transfer pipe is installed on one side of the atmospheric distillation separation tower in a penetrating manner, one end of the transfer pipe penetrates the other side of the vacuum distillation separation tower, and a transfer control valve is installed on the outer side of the transfer pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install the vacuum pump, when the chlorobenzene in to the mixture draws, operating personnel can take the inside air of vacuum rectification knockout tower out through the vacuum pump, ensures that the device can carry out the vacuum rectification to the mixture, and the device can extract high-purity chlorobenzene, and the effectual recycle ratio who improves the chlorobenzene has reduced manufacturing cost.

2. The utility model discloses an install first agitator motor and second agitator motor, carrying out the in-process that heats phosphorus trichloride and chlorobenzene in the mixture, operating personnel can stir the material through first agitator motor second agitator motor, guarantees that the material can be heated evenly, has improved work efficiency greatly to the purity of phosphorus trichloride and chlorobenzene has further been improved.

Drawings

FIG. 1 is an overall schematic view of a material rectification separation tower containing phosphorus trichloride chlorobenzene of the utility model;

FIG. 2 is a schematic structural view of a rectification separation tower for a material containing phosphorus trichloride chlorobenzene;

FIG. 3 is a schematic view of the vacuum pump of the present invention;

fig. 4 is a schematic view of the vacuum pump structure of the present invention.

In the figure: 1. a device base; 101. supporting legs; 2. a normal pressure rectification separation tower; 201. A first separator; 202. a feeding pipe; 203. a first rectification pipe; 204. a first filter; 205. a first gas pressure gauge; 206. a first heating plate; 3. a vacuum rectification separation tower; 301. a second separator; 302. a waste pipe; 303. a second rectification pipe; 304. a second filter; 305. a second barometer; 306. a second heating plate; 307. a waste control valve; 4. a first stirring motor; 401. a first protective housing; 402. a first stirring rod; 5. A second stirring motor; 501. a second protective housing; 502. a second stirring rod; 6. a transfer tube; 601. a transfer control valve; 7. a vacuum pump; 701. an air inlet pipe; 702. an exhaust pipe; 703. a filter screen; 704. and (4) an instrument panel.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides an embodiment: a material rectification separation tower containing phosphorus trichloride chlorobenzene;

the device comprises a device base 1, an atmospheric distillation separation tower 2 and a vacuum distillation separation tower 3, a supporting leg 101 is installed at the bottom of the device base 1, the atmospheric distillation separation tower 2 is installed at the top of the device base 1, the vacuum distillation separation tower 3 is installed at the top of the device base 1, a vacuum pump 7 is installed at the top of the device base 1, the vacuum distillation separation tower 3 and the vacuum pump 7 are sequentially located on one side of the atmospheric distillation separation tower 2, an air inlet pipe 701 is installed at the top of the vacuum pump 7, one end of the air inlet pipe 701 penetrates through one side of the vacuum distillation separation tower 3, an exhaust pipe 702 is installed at the top of the vacuum pump 7, a filter screen 703 is installed at one end of the exhaust pipe 702, an instrument panel 704 is installed at the top of the vacuum pump 7, the exhaust pipe 702 and an instrument panel 704 are sequentially located on one side of the air inlet pipe 701, the atmospheric distillation separation tower 2 is used for extracting phosphorus trichloride in a mixture, the vacuum distillation separation tower 3 is used for extracting chlorobenzene in the mixture, the chlorobenzene in the high-purity recovery of the device is effectively improved, the production cost is reduced, the exhaust pipe 703 can effectively preventing impurities from entering the filter screen 702, and the vacuum pump 7 from forming a good protection effect.

Referring to FIG. 2, a distillation and separation tower for chlorobenzene materials containing phosphorus trichloride;

including device base 1, atmospheric distillation knockout tower 2 and vacuum distillation knockout tower 3, the internally mounted of atmospheric distillation knockout tower 2 has first baffle 201, the internally mounted of atmospheric distillation knockout tower 2 has first hot plate 206, and first hot plate 206 is located the top of first baffle 201, the opposite side of atmospheric distillation knockout tower 2 runs through and installs inlet pipe 202, first rectifying tube 203 is installed at the top of atmospheric distillation knockout tower 2, first filter 204 is installed to the inboard of first rectifying tube 203, first barometer 205 is installed at the top of atmospheric distillation knockout tower 2, and first rectifying tube 203 is located one side of first barometer 205, first agitator motor 4 is installed to the bottom of first baffle 201, and first agitator motor 4 is located the inside of atmospheric distillation knockout tower 2, first protection casing 401 is installed in the outside of first agitator motor 4, the output end of the first stirring motor 4 penetrates through the first partition board 201 and is provided with a first stirring rod 402, one side of the atmospheric rectification separation tower 2 penetrates through and is provided with a transfer pipe 6, one end of the transfer pipe 6 penetrates through the other side of the vacuum rectification separation tower 3, the outer side of the transfer pipe 6 is provided with a transfer control valve 601, materials are put into the atmospheric rectification separation tower 2 through the feeding pipe 202, the first heating plate 206 carries out atmospheric heating on the materials, the first stirring motor 4 starts to work, the first protective shell 401 can effectively protect the first stirring motor 4 and operators, the first stirring rod 402 stirs the materials, the materials can be uniformly heated, the working efficiency is greatly improved, the purity of products is further improved, phosphorus trichloride in the materials is firstly extracted due to low boiling point, the extracted phosphorus trichloride is collected by the first rectification pipe 203, the first filter 204 further filters the phosphorus trichloride, the purity of the product is ensured, the first air pressure gauge 205 shows the air pressure inside the atmospheric distillation separation tower 2, then the transfer control valve 601 is opened, the residual material is transported to the vacuum distillation separation tower 3 through the transfer pipe 6 for vacuum distillation, the second partition 301 is installed inside the vacuum distillation separation tower 3, the second heating plate 306 is located above the second partition 301, the waste pipe 302 is installed on the front surface of the vacuum distillation separation tower 3, the waste control valve 307 is installed on the outer side of the waste pipe 302, the second distillation pipe 303 is installed on the top of the vacuum distillation separation tower 3, the second filter 304 is installed on the inner side of the second distillation pipe 303, the second air pressure gauge 305 is installed on the top of the vacuum distillation separation tower 3, the second distillation pipe 303 is located on one side of the second air pressure gauge 305, the second stirring motor 5 is installed on the bottom of the second partition 301, the second stirring motor 5 is located inside the vacuum rectification separation tower 3, a second protective shell 501 is installed outside the second stirring motor 5, the output end of the second stirring motor 5 penetrates through the second partition 301 and is provided with a second stirring rod 502, the second heating plate 306 heats the materials, the second stirring motor 5 starts to work, the second protective shell 501 can effectively protect the second stirring motor 5 and operators, the second stirring rod 502 stirs the materials to ensure that the materials can be heated uniformly, the working efficiency is greatly improved, the purity of the product is further improved, the boiling point of chlorobenzene in the materials is higher, the chlorobenzene is extracted through vacuum rectification, the extracted chlorobenzene is collected by the second rectification pipe 303, the second filter 304 further filters the chlorobenzene to ensure the purity, and the second gas pressure gauge 305 displays the internal gas pressure of the vacuum rectification separation tower 3, after the extraction operation is completed, the waste control valve 307 is opened to discharge the waste through the waste pipe 302.

The working principle is as follows: the utility model discloses when using, put in the material to ordinary pressure rectification knockout tower 2 through inlet pipe 202, first hot plate 206 carries out the ordinary pressure heating to the material, first agitator motor 4 begins work, first stirring rod 402 stirs the material, guarantee that the material can be heated evenly, phosphorus trichloride in the material is at first extracted because the boiling point is lower, the phosphorus trichloride of drawing out is collected by first rectification pipe 203, first filter 204 further filters phosphorus trichloride, guarantee its purity, then open transfer control valve 601, transport remaining material to decompression rectification knockout tower 3 through transfer pipe 6, carry out the decompression rectification, 7 take out the inside air of decompression rectification knockout tower 3 through intake pipe 701, discharge by blast pipe 702 again, ensure that the device can carry out the decompression rectification to the mixture, second hot plate 306 heats the material, second agitator motor 5 begins work, second protection casing 501 can effectively protect second agitator motor 5 and operating personnel, second stirring rod 502 stirs the material, guarantee that the material can be heated evenly, the boiling point in the material is higher to carry out the purity through the decompression rectification, the extraction is carried out the waste material is extracted through decompression rectification, the second stirring motor 5 is opened, the waste material collection pipe 307, the waste material is collected through second distillation pipe 307, it is finished to the waste chlorobenzene work control valve and is collected, the waste material collection pipe 307, it is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. Contain phosphorus trichloride chlorobenzene material rectification knockout tower, including device base (1), ordinary pressure rectification knockout tower (2) and rectification under reduced pressure knockout tower (3), its characterized in that: the device comprises a device base (1), a vacuum pump, a vacuum rectification separation tower (7), a supporting leg (101) and a normal pressure rectification separation tower (2), wherein the supporting leg (101) is installed at the bottom of the device base (1), the normal pressure rectification separation tower (2) is installed at the top of the device base (1), the vacuum rectification separation tower (3) is installed at the top of the device base (1), and the vacuum pump (7) and the vacuum rectification separation tower (3) are sequentially located on one side of the normal pressure rectification separation tower (2);

intake pipe (701) are installed at the top of vacuum pump (7), and one side of decompression rectification knockout tower (3) is run through to the one end of intake pipe (701), blast pipe (702) is installed at the top of vacuum pump (7), and filter screen (703) are installed to the one end of blast pipe (702), and panel board (704) is installed at the top of vacuum pump (7), and blast pipe (702) and panel board (704) are located the one side of intake pipe (701) in proper order.

2. The rectification and separation tower for chlorobenzene materials containing phosphorus trichloride as claimed in claim 1, wherein: the internally mounted of atmospheric distillation knockout tower (2) has first baffle (201), and the internally mounted of atmospheric distillation knockout tower (2) has first hot plate (206), and first hot plate (206) are located the top of first baffle (201), and the opposite side of atmospheric distillation knockout tower (2) runs through installs inlet pipe (202).

3. The rectification and separation tower for chlorobenzene materials containing phosphorus trichloride as claimed in claim 1, wherein: first rectifying tube (203) is installed at the top of ordinary pressure rectification knockout tower (2), and first filter (204) are installed to the inboard of first rectifying tube (203), and first barometer (205) is installed at the top of ordinary pressure rectification knockout tower (2), and just first rectifying tube (203) are located one side of first barometer (205).

4. The rectification and separation tower for chlorobenzene materials containing phosphorus trichloride as claimed in claim 2, wherein: first agitator motor (4) are installed to the bottom of first baffle (201), and first agitator motor (4) are located the inside of ordinary pressure rectification knockout tower (2), and first protective housing (401) are installed in the outside of first agitator motor (4), and first stirring rod (402) are installed in first agitator motor (4) output run through first baffle (201).

5. The rectification and separation tower for chlorobenzene materials containing phosphorus trichloride as claimed in claim 1, wherein: the inside of the vacuum rectification separation tower (3) is provided with a second partition plate (301), the inside of the vacuum rectification separation tower (3) is provided with a second heating plate (306), the second heating plate (306) is positioned above the second partition plate (301), the front of the vacuum rectification separation tower (3) is provided with a waste pipe (302), and the outer side of the waste pipe (302) is provided with a waste control valve (307).

6. The rectification and separation tower for chlorobenzene materials containing phosphorus trichloride as claimed in claim 1, wherein: a second rectification pipe (303) is installed at the top of the vacuum rectification separation tower (3), a second filter (304) is installed on the inner side of the second rectification pipe (303), a second barometer (305) is installed at the top of the vacuum rectification separation tower (3), and the second rectification pipe (303) is located on one side of the second barometer (305).

7. The rectification and separation tower for chlorobenzene materials containing phosphorus trichloride as claimed in claim 5, wherein: second agitator motor (5) are installed to the bottom of second baffle (301), and second agitator motor (5) are located the inside of decompression rectification knockout tower (3), and second protection casing (501) are installed in the outside of second agitator motor (5), and second stirring rod (502) are installed in second baffle (301) is run through to second agitator motor (5) output.

8. The rectifying and separating tower for the material containing phosphorus trichloride and chlorobenzene according to claim 1, characterized in that: one side of atmospheric pressure rectification knockout tower (2) is run through and is installed transfer tube (6), and the one end of transfer tube (6) runs through the opposite side of vacuum rectification knockout tower (3), and transfer control valve (601) are installed in the outside of transfer tube (6).