CN219398990U

CN219398990U - Tetrahydrofuran rectifying device

Info

Publication number: CN219398990U
Application number: CN202320260463.6U
Authority: CN
Inventors: 高鹏娜; 崔兆伟; 刘晨; 胡立楠; 冯建辉
Original assignee: Shandong Ruian Biotechnology Co ltd
Current assignee: Shandong Ruian Biotechnology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-25
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a tetrahydrofuran rectifying device, which relates to the technical field of tetrahydrofuran rectification and comprises a base, wherein a cooling component is arranged above the base, four supporting legs are fixedly connected to the top end of the base, supporting rings are fixedly connected to the top ends of the four supporting legs, a rectifying shell is fixedly connected to the inner side of the supporting rings, a feeding pipe is fixedly connected to one side of the rectifying shell, a partition plate is fixedly connected to the inner wall of the rectifying shell, and a first heating plate is fixedly connected to the inner wall of the rectifying shell, so that the tetrahydrofuran rectifying device has the advantages that: the cooling liquid is convenient for be led in through the inlet tube, is convenient for deposit the cooling liquid through the cooling tank to be convenient for separate the inside cooling liquid of cooling tank and the surface of condenser pipe mutually through the baffle, help reducing the pollution to the cooling liquid, be convenient for cool down the box is whole through the cooling liquid, laminating mutually through the inner wall of box and the front and back both sides of condenser pipe, and the box is whole to wrap up the whole of condenser pipe, help promoting the cooling effect.

Description

Tetrahydrofuran rectifying device

Technical Field

The utility model relates to a rectifying device, in particular to a tetrahydrofuran rectifying device, and belongs to the technical field of tetrahydrofuran rectification.

Background

Tetrahydrofuran is an important organic synthetic raw material and is a solvent with excellent performance, is particularly suitable for dissolving PVC, polyvinylidene chloride and butylaniline, is widely used as a solvent for surface coating, anticorrosive coating, printing ink, magnetic tape and film coating, is used as a reaction solvent, and can randomly control the thickness of aluminum layer and lighten when used in an aluminum electroplating solution;

the application number is CN202220282619.6, which discloses a tetrahydrofuran rectifying device capable of recycling heat, is an increasingly mature technology, and is used for solving the problems that when tetrahydrofuran is rectified and extracted at present, a large rectifying device is adopted to extract the tetrahydrofuran, however, in the actual operation process, a large amount of pressure is required to be exerted inside the rectifying device, the temperature inside the rectifying device is required to be ensured, the rectifying gas is required to be condensed in the follow-up process, at the moment, the heat of steam can be directly dissipated outside, a certain influence is easily caused on the environment, the heat is difficult to recycle, a large amount of resources are wasted when the tetrahydrofuran is processed by the prior majority of rectifying device, the advantages are that a large amount of heat is generated due to friction between the spiral blade and the heat conducting plate in the rotating process, the rectifying device can additionally generate recyclable resources, the rectifying device can condense the heat inside the heat conducting pipe in the actual operation process, the heat of the rectifying device can directly dissipate outside, the environment is difficult to cause certain influence on the environment, the heat is difficult to recycle the heat, the current majority of the rectifying device wastes a large amount of resources when the tetrahydrofuran is processed, the heat is wasted when the tetrahydrofuran is directly vaporized, the condensation structure is formed by the condensation structure is formed, the technical problem of the device is solved, the problem of' the fact that the condensation structure is difficult to be caused by the solidification, and the condensation structure is 35 is actually caused by the fact that the condensation structure is difficult to be used, and the solidification structure is convenient to be used, and the device is convenient to be used for recycling the solidification, and the solidification structure is 35;

however, the two rectification devices have the following defects in the use process:

during actual use, condensate is injected into the radiating pipe through the cooling component, and the temperature of the condensing pipe is reduced through indirect contact, so that the cooling efficiency of the radiating pipe is not beneficial to further improvement.

Disclosure of Invention

The utility model aims to provide a tetrahydrofuran rectifying device, which solves the problems that in the prior art, condensate is injected into a radiating pipe through a cooling component in actual use, the temperature of a condensing pipe is reduced through indirect contact, and the cooling efficiency of the radiating pipe is not beneficial to further improvement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tetrahydrofuran rectifying device, includes the base, the top of base is equipped with cooling module, four landing leg of top fixedly connected with of base, four the top fixedly connected with branch ring of landing leg, the inboard fixedly connected with rectification casing of branch ring, one side fixedly connected with inlet pipe of rectification casing, the inner wall fixedly connected with baffle of rectification casing, the first hot plate of inner wall fixedly connected with of rectification casing, the inner wall fixedly connected with second hot plate of rectification casing, the opposite side fixedly connected with condenser pipe of rectification casing, the top fixedly connected with extension board of base, the heating tank has been seted up to the inboard of rectification casing, the inboard fixedly connected with heating wire of heating tank.

Preferably, the cooling assembly comprises a box body, a box cover and an auxiliary assembly, wherein the box body is fixedly arranged on the front surface of the support plate, a cooling groove is formed in the inner side of the box body, two baffles are fixedly connected to the inner side of the cooling groove, the inner sides of the baffles are fixedly connected with the outer side of the condensing tube, and the box cover is clamped and arranged on the top end of the box body.

Preferably, the outer side of the condensation pipe is fixedly connected with the inner side of the box body.

Preferably, the auxiliary assembly comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is fixedly arranged at the top end of the box cover, the top end of the water inlet pipe is connected with a sealing cover in a clamping mode, the water outlet pipe is fixedly arranged at the bottom end of the box body, and an electromagnetic valve is fixedly connected to the outer side of the water outlet pipe.

Preferably, the bottom end of the water inlet pipe is communicated with the inner side of the cooling groove.

Preferably, the top end of the water outlet pipe is communicated with the inner side of the cooling groove.

Preferably, the top of base fixedly connected with collecting vessel, the top of collecting vessel with the bottom fixed connection of condenser pipe.

Preferably, the front of base is fixed and is equipped with switch panel, switch panel's surface is equipped with solenoid valve switch, first hot plate switch, second hot plate switch and heating wire switch respectively, the solenoid valve first hot plate the second hot plate with the heating wire is through solenoid valve switch, first hot plate switch, second hot plate switch and heating wire switch and external power supply electric connection respectively.

Compared with the related art, the tetrahydrofuran rectifying device provided by the utility model has the following beneficial effects:

the tetrahydrofuran rectifying device is convenient for increasing the temperature inside the rectifying shell through the electric heating wire, the first heating plate and the second heating plate, and is convenient for gradually rectifying and evaporating tetrahydrofuran along with the heating operation of the electric heating wire, the first heating plate and the second heating plate until vaporization, and the operation is simple and convenient;

tetrahydrofuran rectifying device is convenient for let in the coolant liquid through the inlet tube, is convenient for deposit the coolant liquid through the cooling tank to be convenient for separate the inside coolant liquid of cooling tank and the surface of condenser pipe mutually through the baffle, help reducing the pollution to the coolant liquid, be convenient for cool down the box is whole through the coolant liquid, laminating mutually through the inner wall of box and the front and back both sides of condenser pipe to and the box is whole to live the whole parcel of condenser pipe, help promoting the cooling effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of a cross section of the present utility model;

FIG. 3 is a schematic plan view of the present utility model in plan view;

fig. 4 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a base; 2. a cooling assembly; 21. a case; 22. a cooling tank; 23. a baffle; 24. a case cover; 25. an auxiliary component; 251. a water inlet pipe; 252. sealing cover; 253. a water outlet pipe; 254. an electromagnetic valve; 3. a support leg; 4. a support ring; 5. rectifying the shell; 6. a feed pipe; 7. a partition plate; 8. a first heating plate; 9. a second heating plate; 10. a condensing tube; 11. a collecting barrel; 12. a support plate; 13. a heating tank; 14. heating wires; 15. and a switch panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the utility model provides a tetrahydrofuran rectifying device, which comprises a base 1, wherein a cooling component 2 is arranged above the base 1, four supporting legs 3 are fixedly connected to the top end of the base 1, supporting rings 4 are fixedly connected to the top ends of the four supporting legs 3, a rectifying shell 5 is fixedly connected to the inner side of the supporting rings 4, a feeding pipe 6 is fixedly connected to one side of the rectifying shell 5, a partition 7 is fixedly connected to the inner wall of the rectifying shell 5, a first heating plate 8 is fixedly connected to the inner wall of the rectifying shell 5, a second heating plate 9 is fixedly connected to the inner wall of the rectifying shell 5, a condensing pipe 10 is fixedly connected to the other side of the rectifying shell 5, a supporting plate 12 is fixedly connected to the top end of the base 1, a heating groove 13 is formed in the inner side of the rectifying shell 5, and an electric heating wire 14 is fixedly connected to the inner side of the heating groove 13;

the top end of the base 1 is fixedly connected with a collecting barrel 11, and the top end of the collecting barrel 11 is fixedly connected with the bottom end of a condensing tube 10, so that the rectification is facilitated;

the front of the base 1 is fixedly provided with a switch panel 15, the surface of the switch panel 15 is respectively provided with a first heating plate switch, a second heating plate switch and a heating wire switch, and the first heating plate 8, the second heating plate 9 and the heating wire 14 are respectively electrically connected with an external power supply through the first heating plate switch, the second heating plate switch and the heating wire switch, so that the first heating plate 8, the second heating plate 9 and the heating wire 14 are convenient to control to operate;

referring to fig. 1-4, a tetrahydrofuran rectifying device further includes a cooling component 2, where the cooling component 2 includes a box 21, a box cover 24 and an auxiliary component 25, the box 21 is fixedly disposed on the front surface of the support plate 12, a cooling tank 22 is provided on the inner side of the box 21, two baffles 23 are fixedly connected on the inner side of the cooling tank 22, the inner sides of the two baffles 23 are fixedly connected with the outer side of the condenser tube 10, and the box cover 24 is clamped on the top end of the box 21;

the outer side of the condensation pipe 10 is fixedly connected with the inner side of the box body 21;

specifically, as shown in fig. 1, 2, 3, and 4, as the tetrahydrofuran is continuously rectified in the rectifying housing 5, the whole of the condenser tube 10 is in a high temperature state for a long time, and at this time, the worker opens the cover 24 or the seal cover 252 to pour an appropriate coolant into the cooling tank 22, and the outside of the condenser tube 10 is cooled by the coolant.

Examples

The auxiliary assembly 25 comprises a water inlet pipe 251 and a water outlet pipe 253, the water inlet pipe 251 is fixedly arranged at the top end of the box cover 24, the top end of the water inlet pipe 251 is connected with a sealing cover 252 in a clamping manner, the water outlet pipe 253 is fixedly arranged at the bottom end of the box body 21, and the outer side of the water outlet pipe 253 is fixedly connected with an electromagnetic valve 254;

the bottom end of the water inlet pipe 251 is communicated with the inner side of the cooling tank 22;

the top end of the water outlet pipe 253 is communicated with the inner side of the cooling groove 22;

the front surface of the base 1 is fixedly provided with a switch panel 15, the surface of the switch panel 15 is provided with an electromagnetic valve switch, and the electromagnetic valve 254 is electrically connected with an external power supply through the electromagnetic valve switch;

specifically, as shown in fig. 1, 2 and 3, when the cooling liquid is required to be discharged after the surface of the condenser pipe 10 is cooled in an auxiliary manner, the electromagnetic valve 254 is controlled to be opened by the electromagnetic valve switch, so that the cooling liquid is discharged through the water outlet pipe 253 for replacement, the operation is simple and convenient, and the cooling effect is improved by surrounding the condenser pipe 10 in an omnibearing manner.

Working principle: when the tetrahydrofuran is gradually evaporated along with the heating operation of the heating wire 14, the first heating plate 8 and the second heating plate 9, the vaporized tetrahydrofuran enters the interior of the condenser tube 10, the tetrahydrofuran is continuously rectified along with the interior of the rectification shell 5, the whole condenser tube 10 is in a long-time high-temperature state, at the moment, a worker opens the box cover 24 or opens the sealing cover 252 to pour proper cooling liquid into the interior of the cooling tank 22, the outside of the condenser tube 10 is subjected to auxiliary cooling through the cooling liquid, and when the cooling liquid is required to be discharged after the surface of the condenser tube 10 is subjected to auxiliary cooling, the electromagnetic valve is controlled to be opened through the electromagnetic valve switch 254, so that the cooling liquid can be more conveniently cooled by the whole condenser tube 10.

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

Claims

1. Tetrahydrofuran rectifying device, including base (1), its characterized in that: the top of base (1) is equipped with cooling module (2), four top fixedly connected with landing leg (3) of base (1), four top fixedly connected with branch ring (4) of landing leg (3), the inboard fixedly connected with rectification casing (5) of branch ring (4), one side fixedly connected with inlet pipe (6) of rectification casing (5), the inner wall fixedly connected with baffle (7) of rectification casing (5), the first hot plate (8) of inner wall fixedly connected with of rectification casing (5), the inner wall fixedly connected with second hot plate (9) of rectification casing (5), the opposite side fixedly connected with condenser pipe (10) of rectification casing (5), the top fixedly connected with extension board (12) of base (1), heating tank (13) have been seted up to the inboard of rectification casing (5), the inboard fixedly connected with heating wire (14) of heating tank (13).

2. The tetrahydrofuran rectifying device according to claim 1, wherein: the cooling assembly (2) comprises a box body (21), a box cover (24) and an auxiliary assembly (25), wherein the box body (21) is fixedly arranged on the front surface of the support plate (12), a cooling groove (22) is formed in the inner side of the box body (21), two baffle plates (23) are fixedly connected to the inner side of the cooling groove (22), the inner sides of the two baffle plates (23) are fixedly connected with the outer side of the condenser tube (10), and the box cover (24) is clamped and arranged on the top end of the box body (21).

3. The tetrahydrofuran rectifying device according to claim 2, characterized in that: the outer side of the condensing tube (10) is fixedly connected with the inner side of the box body (21).

4. The tetrahydrofuran rectifying device according to claim 2, characterized in that: the auxiliary assembly (25) comprises a water inlet pipe (251) and a water outlet pipe (253), the water inlet pipe (251) is fixedly arranged at the top end of the box cover (24), the top end of the water inlet pipe (251) is connected with a sealing cover (252) in a clamping mode, the water outlet pipe (253) is fixedly arranged at the bottom end of the box body (21), and an electromagnetic valve (254) is fixedly connected to the outer side of the water outlet pipe (253).

5. The tetrahydrofuran rectifying device according to claim 4, wherein: the bottom end of the water inlet pipe (251) is communicated with the inner side of the cooling groove (22).

6. The tetrahydrofuran rectifying device according to claim 4, wherein: the top end of the water outlet pipe (253) is communicated with the inner side of the cooling groove (22).

7. The tetrahydrofuran rectifying device according to claim 1, wherein: the top of base (1) fixedly connected with collecting vessel (11), the top of collecting vessel (11) with the bottom fixed connection of condenser pipe (10).

8. The tetrahydrofuran rectifying device according to claim 4, wherein: the front of base (1) is fixed and is equipped with switch panel (15), the surface of switch panel (15) is equipped with solenoid valve switch, first hot plate switch, second hot plate switch and heating wire switch respectively, solenoid valve (254) first hot plate (8) second hot plate (9) with heating wire (14) are through solenoid valve switch, first hot plate switch, second hot plate switch and heating wire switch and external power supply electric connection respectively.