CN212467177U

CN212467177U - Rectification separation device

Info

Publication number: CN212467177U
Application number: CN202020980660.1U
Authority: CN
Inventors: 李明; 刘慧�
Original assignee: Jiangsu Sword Agrochemicals Co ltd
Current assignee: Jiangsu Sword Agrochemicals Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-05
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a rectification separation device, which comprises a rectification tank, wherein a separation bin is arranged in the rectification tank, a first storage box is arranged on the right side of the rectification tank, a first condenser is arranged on the inner wall of the top of the first storage box, a first recovery pipe is arranged below the first condenser, a first feeding pipe is arranged on the right side of the first recovery pipe, a second storage box is arranged on the right side of the first storage box, a second condenser is arranged on the inner wall of the top of the second storage box, a second recovery pipe is arranged below the second condenser, a second feeding pipe is arranged on the left side of the second recovery pipe, two groups of ceramic heating plates are arranged on the outer wall of the bottom of the separation bin, a condensation bin is arranged on the left side of the separation bin, an air suction pipe is arranged on the inner wall of the left side of the separation bin, a third condenser is arranged on the inner wall of the top of the condensation bin, improve the quality of the separated substance.

Description

Rectification separation device

Technical Field

The utility model relates to a rectification technical field specifically is a rectification separator.

Background

The rectification separation device is a device for separating components by utilizing different volatility of the components in a mixture, and formaldehyde and hydrochloric acid catalysts are needed to promote the separation in the separation process, but the formaldehyde and hydrochloric acid catalysts of the existing separation device are discharged together with waste materials after being used and are not used, so that the cost is greatly increased.

And the rectification and condensation of the existing separation device adopt an integrated design, so that the obtained liquid-state separated substance can still be fused with other substances after rectification and condensation, the purity of the separated substance is poor, and the rectification quality is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rectification separation device, which utilizes a first recovery pipe and a second recovery pipe to respectively recover vapor-state formaldehyde and hydrochloric acid catalyst into a first storage box and a second storage box, then the formaldehyde and the hydrochloric acid catalyst in the steam state are condensed into liquid by the first condenser and the second condenser and finally fall into the corresponding storage box, thereby realizing the purpose of recycling, thereby greatly reducing the cost, and through separately arranging the separation bin and the condensation bin, sucking the steam-state separated substance into the condensation bin by using the air suction pipe and the induced draft fan to start condensation, finally obtaining the liquid-state separated substance, and simultaneously, the rectification and the condensation work separately, so that the liquid separator can not contact other substances, the purity of the separator is improved, the rectification quality is improved, and the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme:

a rectification separation device comprises a rectification tank, a separation bin is arranged in the rectification tank, a feed inlet is arranged on the outer wall of the front end of the separation bin, a first storage box is arranged on the right side of the rectification tank, a first condenser is fixed on the inner wall of the top of the first storage box through screws, a first self-sucking pump is arranged in the first storage box, a first recovery pipe is arranged below the first condenser, one end of the first recovery pipe is communicated with the feed inlet of the first self-sucking pump through a clamp, the other end of the first recovery pipe sequentially penetrates through the outer wall of the left side of the first storage box and the outer wall of the top of the rectification tank and is positioned in the separation bin, a first feeding pipe is arranged on the right side of the first recovery pipe, the other end of the first feeding pipe sequentially penetrates through the outer wall of the left side of the first storage box and the outer wall of the top of the rectification tank and is positioned in the separation bin, a second, a second condenser is fixed on the inner wall of the top of the second storage box through screws, a second self-priming pump is arranged in the second storage box, a second recovery pipe is arranged below the second condenser, a hoop at one end of the second recovery pipe is communicated with a feed inlet of the second self-priming pump, the other end of the second recovery pipe sequentially penetrates through the outer wall of the right side of the second storage box and the outer wall of the top of the rectifying tank and is positioned in the separation bin, a second feeding pipe is arranged on the left side of the second recovery pipe, the other end of the second feeding pipe sequentially penetrates through the inner walls of the tops of the second storage box and the rectifying tank and is positioned in the separation bin, and a group of third self-priming pumps are respectively arranged on the first feeding pipe and the second feeding pipe;

the improved vacuum distillation device is characterized in that two groups of ceramic heating plates are fixed on the outer wall of the bottom of the separation bin through screws, a waste discharge pipe is arranged between the ceramic heating plates, the other end of the waste discharge pipe penetrates through the outside of the distillation tank, a condensation bin is arranged on the left side of the separation bin, an air suction pipe is arranged on the inner wall of the left side of the separation bin, the other end of the air suction pipe penetrates through the condensation bin, a guide fan is arranged in the air suction pipe, a third condenser is fixed on the inner wall of the top of the condensation bin through screws, a discharge pipe is arranged at the bottom of the condensation bin, the other end of the discharge pipe.

Preferably, a group of first supporting columns is fixed to four corners of the bottom of the rectifying tank respectively through welding.

Preferably, a heat insulation plate is arranged between the separation bin and the condensation bin.

Preferably, three groups of electromagnetic valves are arranged in the separation bin, and the three groups of electromagnetic valves are respectively positioned on the first recovery pipe, the second recovery pipe and the air suction pipe.

Preferably, a set of second supporting columns is fixed to four corners of the bottom of the first storage box and four corners of the bottom of the second storage box respectively through welding.

Preferably, the dust box is fixed at the bottom of the waste discharge pipe through welding.

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

1. the first recovery pipe and the second recovery pipe are used for respectively recovering the vaporous formaldehyde and the hydrochloric acid catalyst to the first storage box and the second storage box, the vaporous formaldehyde and the hydrochloric acid catalyst are condensed into liquid by the first condenser and the second condenser and finally fall into the corresponding storage boxes, and the purpose of recycling is achieved, so that the cost is greatly reduced;

2. through separately setting up separation bin and condensation storehouse to utilize breathing pipe and induced air fan to inhale the condensation storehouse with the separator of vapour state and begin the condensation, and finally obtain liquid separator, simultaneously, because rectification and condensation separately work, make liquid separator can't contact other materials, thereby improved the purity of separator, also promoted the rectification quality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of a first storage bin of the present invention;

fig. 4 is a schematic sectional view of the second storage bin of the present invention.

In the figure: 1. a rectification tank; 2. a first material storage box; 3. a first condenser; 4. a first recovery pipe; 5. a first self-priming pump; 6. a first feeding pipe; 7. a third self-priming pump; 8. a second material storage tank; 9. a second condenser; 10. a second recovery pipe; 11. a second self-priming pump; 12. a second feeding pipe; 13. separating the bins; 14. a ceramic heating plate; 15. a waste discharge pipe; 16. an air intake duct; 17. a fan guide; 18. a third condenser; 19. a condensation bin; 20. a discharge pipe; 21. a fourth self-priming pump; 22. a first support column; 23. a heat insulation plate; 24. an electromagnetic valve; 25. a second support column; 26. a dust accumulation box; 27. and (4) feeding a material inlet.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

a rectification separation device comprises a rectification tank 1, a separation bin 13 is arranged in the rectification tank 1, a feed inlet 27 is arranged on the outer wall of the front end of the separation bin 13, a first storage tank 2 is arranged on the right side of the rectification tank 1, a first condenser 3 is fixed on the inner wall of the top of the first storage tank 2 through screws, a first self-sucking pump 5 is arranged in the first storage tank 2, a first recovery pipe 4 is arranged below the first condenser 3, one end of the first recovery pipe 4 is communicated with the feed inlet of the first self-sucking pump 5 through a hoop, the other end of the first recovery pipe 4 sequentially penetrates through the outer wall of the left side of the first storage tank 2 and the outer wall of the top of the rectification tank 1 and is positioned in the separation bin 13, a first feeding pipe 6 is arranged on the right side of the first recovery pipe 4, the other end of the first feeding pipe 6 sequentially penetrates through the outer walls of the top of the first storage tank 2 and the rectification tank 1 and is positioned in the separation bin 13, a second storage, a second condenser 9 is fixed on the inner wall of the top of the second storage tank 8 through screws, a second self-priming pump 11 is arranged in the second storage tank 8, a second recovery pipe 10 is arranged below the second condenser 9, one end of the second recovery pipe 10 is communicated with a feed inlet of the second self-priming pump 11 through a hoop, the other end of the second recovery pipe 10 sequentially penetrates through the outer wall of the right side of the second storage tank 8 and the outer wall of the top of the rectifying tank 1, and is positioned in the separation bin 13, a second feeding pipe 12 is arranged at the left side of the second recovery pipe 10, the other end of the second feeding pipe 12 sequentially penetrates through the second storage box 8 and the inner wall of the top of the rectifying tank 1, and be located the separation bin 13, be provided with a set of third self priming pump 7 on first pan feeding pipe 6 and the second pan feeding pipe 12 respectively,

first storage case

2 and 8 bottom four corners of second storage case are respectively through welded fastening have a set of second support column 25, can make things convenient for

first storage case

2 and 8 more steady places of second storage case subaerial.

Two groups of ceramic heating plates 14 are fixed on the outer wall of the bottom of the separation bin 13 through screws, a waste discharge pipe 15 is arranged between the two groups of ceramic heating plates 14, the other end of the waste discharge pipe 15 penetrates to the outside of the rectifying tank 1, a condensation bin 19 is arranged on the left side of the separation bin 13, an air suction pipe 16 is arranged on the inner wall of the left side of the separation bin 13, the other end of the air suction pipe 16 penetrates into the condensation bin 19, an induced fan 17 is arranged in the air suction pipe 16, a third condenser 18 is fixed on the inner wall of the top of the condensation bin 19 through screws, a discharge pipe 20 is arranged at the bottom of the condensation bin 19, the other end of the discharge pipe 20 penetrates to the outside of the rectifying tank 1, a fourth self-suction pump 21 is arranged on the discharge pipe 20, a group of first support columns 22 are respectively fixed at the four corners of the bottom, the heat insulating board 23 adopts high silicon cotton as the material, can avoid separating bin 13 high temperature to transmit to condensation bin 19 in, thereby lead to the separator after the condensation to vaporize again, be provided with three solenoid valves 24 in the separating bin 13, three solenoid valves 24 of group are located first recovery tube 4 respectively, second recovery tube 10 and breathing pipe 16 are last, when carrying out separator separation or formalin solution, the recovery during operation of hydrochloric acid catalyst, close other two sets of solenoid valves 24, can prevent that gas from getting into in all the other two storehouses, thereby separation and recovery's high purity has been guaranteed, waste discharge pipe 15 bottom has dust collecting box 26 through welded fastening, a waste material is used for collecting, reduce environmental pollution.

The working principle is as follows:

firstly, raw materials are put into a separation bin 13 through a feeding hole 27, then two groups of third self-priming pumps 7 are started, formaldehyde water solution and hydrochloric acid catalyst solution with twenty percent concentration are respectively fed into the separation bin 13 from a first storage box 2 and a second storage box 8 according to a proportion, then two groups of ceramic heating plates 14 are started to heat the separation bin 13, when the temperature in the separation bin 13 rises to 90 ℃, heating is stopped, at the moment, required separators in the raw materials are gasified under the action of high temperature and formaldehyde and hydrochloric acid catalysts, then a guide fan 17 is started, and the gasified separators are sucked into a condensation bin 19 by the guide fan 17;

the vapor-state separator is lighter in weight, and can float upwards to contact with the third condenser 18 in operation after entering the condensation bin 19, and finally be cooled to become liquid and fall down, so that the rectification separation operation is realized, the flow can last for 10 to 12 hours, then the ceramic heating plate 14 is continuously started, the temperature in the separation bin is raised to 99.1 ℃, and the boiling point of the formaldehyde water solution is reached;

then start first self priming pump 5, inhale among first storage case 2 vapour state formaldehyde through first self priming pump 5, the vapour state formaldehyde that gets into among first storage case 2 can upwards rise to touch first condenser 3, and receive the cold condensation to become liquid formalin and fall into first storage case 2 bottom, thereby realized formalin's recovery work, then continue to start ceramic heating plate 14 with the temperature rise to 110 ℃ in the separation storehouse 13, the boiling point of hydrochloric acid has just been reached this moment, then inhale in second storage case 8 and finally by second condenser 9 condensation become liquid with vapour state hydrochloric acid through second self priming pump 11, hydrochloric acid catalyst's recovery work has been realized.

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

Claims

1. A rectification separation device comprises a rectification tank (1), and is characterized in that: a separation bin (13) is arranged in the rectifying tank (1), a feed inlet (27) is arranged on the outer wall of the front end of the separation bin (13), a first storage tank (2) is arranged on the right side of the rectifying tank (1), a first condenser (3) is fixed on the inner wall of the top of the first storage tank (2) through screws, a first self-sucking pump (5) is arranged in the first storage tank (2), a first recovery pipe (4) is arranged below the first condenser (3), one end of the first recovery pipe (4) is communicated with the feed inlet of the first self-sucking pump (5) through a hoop, the other end of the first recovery pipe (4) sequentially penetrates through the outer wall of the left side of the first storage tank (2) and the outer wall of the top of the rectifying tank (1) and is positioned in the separation bin (13), a first feeding pipe (6) is arranged on the right side of the first recovery pipe (4), and the other end of the first feeding pipe (6) sequentially penetrates through the outer wall of the left side of the first storage tank (2) and the outer wall, and is positioned in the separation bin (13), a second storage bin (8) is arranged on the right side of the first storage bin (2), a second condenser (9) is fixed on the inner wall of the top of the second storage bin (8) through screws, a second self-sucking pump (11) is arranged in the second storage bin (8), a second recovery pipe (10) is arranged below the second condenser (9), one end of the second recovery pipe (10) is communicated with a feed inlet of the second self-sucking pump (11) through a clamp, the other end of the second recovery pipe (10) sequentially penetrates through the outer wall of the right side of the second storage bin (8) and the outer wall of the top of the rectification tank (1) and is positioned in the separation bin (13), a second feeding pipe (12) is arranged on the left side of the second recovery pipe (10), and the other end of the second feeding pipe (12) sequentially penetrates through the inner walls of the right side of the second storage bin (8) and the top of the rectification tank (1), the first feeding pipe (6) and the second feeding pipe (12) are respectively provided with a group of third self-priming pumps (7);

two groups of ceramic heating plates (14) are fixed on the outer wall of the bottom of the separation bin (13) through screws, a waste discharge pipe (15) is arranged between the two groups of ceramic heating plates (14), the other end of the waste discharge pipe (15) penetrates through the outside of the rectifying tank (1), a condensation bin (19) is arranged on the left side of the separation bin (13), an air suction pipe (16) is arranged on the inner wall of the left side of the separation bin (13), the other end of the air suction pipe (16) penetrates into the condensation bin (19), a fan (17) is arranged in the air suction pipe (16), a third condenser (18) is fixed on the inner wall of the top of the condensation bin (19) through screws, a discharge pipe (20) is arranged at the bottom of the condensation bin (19), the other end of the discharge pipe (20) penetrates through the outside of the rectifying tank (1), and a fourth self-suction pump (21) is arranged on the discharge pipe (20).

2. A rectifying and separating device according to claim 1, characterized in that: four corners of the bottom of the rectifying tank (1) are respectively fixed with a group of first supporting columns (22) through welding.

3. A rectifying and separating device according to claim 1, characterized in that: and a heat insulation plate (23) is arranged between the separation bin (13) and the condensation bin (19).

4. A rectifying and separating device according to claim 1, characterized in that: three groups of electromagnetic valves (24) are arranged in the separation bin (13), and the three groups of electromagnetic valves (24) are respectively positioned on the first recovery pipe (4), the second recovery pipe (10) and the air suction pipe (16).

5. A rectifying and separating device according to claim 1, characterized in that: and a group of second supporting columns (25) are fixed at the four corners of the bottoms of the first storage box (2) and the second storage box (8) respectively through welding.

6. A rectifying and separating device according to claim 1, characterized in that: and a dust accumulation box (26) is fixed at the bottom of the waste discharge pipe (15) through welding.