CN211836365U

CN211836365U - Organic solvent distillation still

Info

Publication number: CN211836365U
Application number: CN201922387795.7U
Authority: CN
Inventors: 应永军; 杨林; 贺捷
Original assignee: Linhai Taitong Medical Equipment Co ltd
Current assignee: Linhai Taitong Medical Equipment Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-03
Anticipated expiration: 2029-12-26

Abstract

The utility model provides an organic solvent stills, including the cauldron body and heating device, the top of the cauldron body is provided with steam outlet, and the bottom of the cauldron body is provided with the liquid outlet, still includes cooling tube one, and cooling tube one includes the linkage segment one, the cooling zone one of connection on linkage segment one of wearing to locate the cauldron body, and evenly distributed has a plurality of through-holes one on the bottom of cooling zone one. The cooling tube is the most crucial annular of stills and winds end nitrogen protection pipeline, in case provide that the distillation heat source is out of order or during ultra-high temperature distillation to the dry ignition of solvent, use equipment such as air pump to pour into nitrogen gas from the tip of a linkage segment protrusion in the cauldron body into, nitrogen gas flows into in the linkage segment one to the cooling segment one and finally enters into the cauldron body through a through-hole one inside, the nitrogen gas of pouring into in the cauldron body can effectively prevent to be close dry material to reach the boiling point and detonate the cauldron body, the safety in utilization of this stills has been promoted to a certain extent. And the second cooling pipe is under the protection of nitrogen at an upper inlet, so that the distillation kettle can be further protected.

Description

Organic solvent distillation still

Technical Field

The utility model relates to a stills, in particular to an organic solvent stills.

Background

A distillation still relates to a still used for distillation in chemical production, and is designed for solving the problem that the existing distillation still needs to be intermittently overhauled and cleaned when materials contain solid matters and high-boiling-point matters in the production process.

At present, Chinese patent with publication number CN202427187U discloses a distillation kettle, which comprises a kettle body and a heater, wherein the heater is arranged at the lower part of the kettle body, the top of the kettle body is provided with a steam outlet, and the bottom of the kettle body is provided with a liquid outlet. When the distillation still is used for distilling and recovering the organic solvent, the situation that materials are evaporated to be nearly dry due to misoperation often occurs, and the materials which are nearly dry are very easy to ignite and detonate the distillation still when being continuously heated and reach the boiling point, namely the use safety of the distillation still is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an organic solvent stills, it has the higher advantage of safety in utilization to have.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an organic solvent stills, includes the cauldron body and set up in the internal portion's of cauldron heating device, the top of the cauldron body is provided with steam outlet, the bottom of the cauldron body is provided with the liquid outlet, still includes cooling tube one, cooling tube one is including wearing to locate the connecting segment one of the cauldron body, connecting cooling segment one on the connecting segment one, evenly distributed has a plurality of through-holes one on the bottom of cooling segment one.

Through the technical scheme, when the material is evaporated to dryness due to misoperation, equipment such as an air pump is used for injecting nitrogen from the end part of the kettle body protruded out of the first connecting section, the nitrogen flows into the first cooling section from the first connecting section and finally enters the kettle body through the first through hole, the nitrogen flushed into the kettle body can effectively prevent the material approaching dryness from reaching a boiling point and igniting the kettle body, and the use safety of the distillation kettle is improved to a certain extent. Meanwhile, in the process that the nitrogen flows in the first cooling pipe, the temperature in the kettle body can be reduced, so that the materials which are nearly dry in the kettle body are not easy to reach the boiling point and detonate the kettle body, and the distillation kettle is safer to use.

Preferably, a first cover plate is arranged at the end part of the first cooling section.

Through the technical scheme, the first cover plate arranged on the first cooling section can plug the first opening of the first cooling section, so that nitrogen can only enter the inner part of the kettle body through the first through hole, nitrogen entering the inner part of the kettle body from the first through hole directly contacts with the inner part of the kettle body close to dry materials, and the inner part of the kettle body close to dry materials is cooled, so that the nitrogen is difficult to reach a boiling point and detonate the kettle body, and the use safety of the distillation kettle is improved to a certain extent.

Preferably, one end of the first connecting section penetrates through and protrudes out of the top of the kettle body, the other end of the first connecting section extends downwards along the axial direction of the kettle body, the first cooling section is close to one side of the liquid outlet, and the first cooling section is connected with the bottom of the first connecting section.

Through above-mentioned technical scheme, because the axial extension of the cooling zone one along the cauldron body, so nitrogen gas can cool off whole cauldron body when cooling zone one is inside to flow for the internal portion's of cauldron temperature can reduce comparatively fast, makes the internal portion of cauldron be close to dry material and is difficult for reaching the boiling point and detonating the cauldron body, has promoted this stills's safety in utilization to a certain extent.

Preferably, the cooling device further comprises a second cooling pipe, the second cooling pipe comprises a second connecting section and a second cooling section, one end of the second cooling section penetrates through and protrudes out of the top of the kettle body, the other end of the second connecting section extends along the axial direction of the kettle body, the second cooling section is connected to the bottom of the second connecting section, the second cooling section is close to one side of the steam outlet, and a plurality of second through holes are uniformly distributed in the bottom of the second cooling section.

Through the technical scheme, when the materials are evaporated to dryness due to misoperation, nitrogen is injected from the end part of the kettle body protruding out of the second connecting section by using equipment such as an air pump, flows into the second cooling section from the second connecting section and finally enters the kettle body through the second through hole, and the nitrogen flushed into the kettle body can effectively prevent the materials approaching dryness from reaching the boiling point and igniting the kettle body, so that the use safety of the distillation kettle is improved to a certain extent. Meanwhile, in the process that the nitrogen flows in the second cooling pipe, the temperature in the kettle body can be reduced, so that the materials which are nearly dried in the kettle body are not easy to reach the boiling point and detonate the kettle body, and the distillation kettle is safer to use.

Preferably, a second cover plate is arranged at the end part of the second cooling section.

Through the technical scheme, set up the second opening shutoff on the second cooling zone of the apron on the second cooling zone for nitrogen gas only can enter into the internal portion of cauldron through second through-hole, and the nitrogen gas downward flow that enters into the internal portion of cauldron from second through-hole can be close the dry material contact with the internal portion of cauldron, and cool off the internal portion of cauldron near dry material, make it be difficult for reaching the boiling point and detonate the cauldron body, promoted this stills's safety in utilization to a certain extent.

Preferably, the heating device comprises an inlet section arranged on the kettle body in a penetrating manner, a main heating section spirally arranged in the kettle body, and an outlet section arranged on the kettle body in a penetrating manner.

By the technical scheme, a heat source, such as hot water, is injected from the inlet section, flows into the main heating section from the inlet section, and is finally discharged from the outlet section. The heat source can heat the material in the kettle body in the flowing process. Because the main heating section is spirally arranged inside the kettle body, the heat source can stay in the kettle body for a longer time, so that the materials inside the kettle body can be heated more effectively.

Preferably, the heating device further comprises an auxiliary heating section connected between the main heating section and the outlet section, wherein the auxiliary heating section is in a shape of a circular truncated cone, and the small end of the auxiliary heating section faces to one side of the liquid outlet.

Through above-mentioned technical scheme, the vice heating section of snake dish setting between main heating section and export section can carry out effectual heating to the material of cauldron body center department for the material of cauldron internal portion can accomplish the distillation recovery sooner.

Preferably, a flange is arranged at the liquid outlet, and the end part of the flange extends into the liquid outlet and is flush with the inner wall of the kettle body.

Through above-mentioned technical scheme, the tip of flange flushes with the inner wall of the cauldron body for the material is difficult for remaining in the inside of the cauldron body.

Drawings

FIG. 1 is a schematic front view of an embodiment;

FIG. 2 is a schematic structural diagram of a second cooling section;

FIG. 3 is a schematic structural view of the secondary heating section;

fig. 4 is a schematic structural diagram of the first cooling section.

Reference numerals: 1. a kettle body; 2. a heating device; 21. an inlet section; 22. a primary heating section; 23. a secondary heating section; 24. an outlet section; 3. a steam outlet; 4. a liquid outlet; 5. a first cooling pipe; 51. a first connecting section; 52. a first cooling section; 6. a first through hole; 7. a first cover plate; 8. a second cooling pipe; 81. a second connecting section; 82. a second cooling section; 9. a second through hole; 10. a second cover plate; 11. a flange.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

An organic solvent distillation kettle, as shown in figure 1, comprises a kettle body 1 for placing an organic solvent and a heating device 2 for heating the organic solvent in the kettle body 1.

The top of the kettle body 1 is provided with a steam outlet 3, the steam outlet 3 is communicated with the inner cavity of the kettle body 1, and when the kettle is used, water in the organic solvent is vaporized into steam after being heated and is discharged from the steam outlet 3. The bottom of the kettle body 1 is provided with a liquid outlet 4, the liquid outlet 4 is communicated with the inner cavity of the kettle body 1, and when the purification of the organic solvent is completed, the liquid organic solvent can be discharged from the liquid outlet 4. The liquid outlet 4 is provided with a flange 11, and the end of the flange 11 extends into the inner cavity of the kettle body 1 from the liquid outlet 4 and is flush with the inner cavity of the kettle body 1, so that the organic solution in the kettle body 1 is not easy to remain.

As shown in fig. 1 and 2, a first cooling pipe 5 is arranged on the kettle body 1, and the first cooling pipe 5 is used for preventing the materials which are nearly dried from reaching the boiling point and detonating the kettle body 1. The cooling pipe one 5 comprises a connecting section one 51 and a cooling section one 52 which are connected in sequence. One end of the first connecting section 51 penetrates through and protrudes out of the top of the kettle body 1, and the other end of the first connecting section 51 extends towards one side of the liquid outlet 4 along the axial direction of the kettle body 1. The first cooling section 52 is annular, the first cooling section 52 is located on one side, close to the liquid outlet 4, of the kettle body 1, the first cooling section 52 and the liquid outlet 4 are coaxially arranged, the first cooling section 52 surrounds the liquid outlet 4, a first cover plate 7 is arranged on the end portion of the first cooling section 52, and the first cooling section 52 is covered by the first cover plate 7 through an opening far away from the first connecting section 51. When misoperation occurs, nitrogen is injected from the end part of the first connecting section 51 protruding out of the kettle body 1 by using equipment such as an air pump, the nitrogen flows along the first connecting section 51 and enters the first cooling section 52, and the nitrogen in the first cooling section 52 is discharged from the first through hole 6 and is in contact with the materials close to dryness, so that the materials close to dryness are difficult to reach a boiling point and detonate the kettle body 1.

As shown in fig. 1 and 3, a second cooling pipe 8 is further arranged on the kettle body 1, and the second cooling pipe 8 is used for preventing the materials approaching dry-up from reaching a boiling point and detonating the kettle body 1. The second cooling pipe 8 includes a second connecting section 81 and a second cooling section 82 connected in sequence. One end of the second connecting section 81 penetrates through and protrudes out of the top surface of the kettle body 1, and the other end of the second connecting section 81 extends along the axial direction of the kettle body 1 and is lower than the steam outlet 3 of the kettle body 1. The second cooling section 82 is annular, the second cooling section 82 is located on one side, close to the steam outlet 3, of the kettle body 1, the second cooling section 82 is coaxially arranged with the steam outlet 3, the second cooling section 82 surrounds the steam outlet 3, a second cover plate 10 is arranged on the end portion of the second cooling section 82, and the second cooling section 82 is covered by the second cover plate 10 through an opening far away from the second connecting section 81. When misoperation occurs, nitrogen is injected from the end part of the kettle body 1 protruding from the second connecting section 81 by using equipment such as an air pump, the nitrogen flows along the second connecting section 81 and enters the second cooling section 82, and the nitrogen in the second cooling section 82 is discharged from the second through hole 9 and is in contact with the materials close to dryness, so that the materials close to dryness are not easy to reach a boiling point and detonate the kettle body 1.

As shown in fig. 1 and 4, the heating device 2 includes an inlet section 21, a main heating section 22, an auxiliary heating section 23, and an outlet section 24 connected in sequence. The inlet section 21 is arranged on the side wall of the kettle body 1 in a penetrating way, and when in use, a heat source, such as hot water, is injected from the end part of the kettle body 1 protruding out of the inlet section 21; the main heating section 22 is arranged in the kettle body 1 through bolts, the main heating section 22 is used for heating the organic solvent in the kettle body 1, the auxiliary heating section 23 is coiled in the kettle body 1, and the small end of the auxiliary heating section faces one side of the liquid outlet 4; the outlet section 24 is arranged on the side wall of the kettle body 1 in a penetrating way, and when the kettle is used, the heat source flowing through the auxiliary heating section 23 is discharged from the outlet section 24.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides an organic solvent stills, including the cauldron body (1) and set up in heating device (2) inside the cauldron body (1), the top of the cauldron body (1) is provided with steam outlet (3), the bottom of the cauldron body (1) is provided with liquid outlet (4), characterized by: still include cooling tube (5), cooling tube (5) are including wearing to locate the linkage segment (51) of the cauldron body (1), connect in cooling segment (52) on linkage segment (51), evenly distributed has a plurality of through-holes (6) on the bottom of cooling segment (52).

2. The organic solvent distillation still according to claim 1, wherein: and a first cover plate (7) is arranged at the end part of the first cooling section (52).

3. The organic solvent distillation still according to claim 1, wherein: one end of the first connecting section (51) penetrates through and protrudes out of the top of the kettle body (1), the other end of the first connecting section (51) extends downwards along the axial direction of the kettle body (1), the first cooling section (52) is close to one side of the liquid outlet (4), and the first cooling section (52) is connected with the bottom of the first connecting section (51).

4. The organic solvent distillation still according to claim 1, wherein: still include cooling tube two (8), cooling tube two (8) are including linkage segment two (81) and cooling segment two (82), the one end of cooling segment two (82) runs through and protrusion in the top of the cauldron body (1), the other end of linkage segment two (81) is followed the axial extension of the cauldron body (1), cooling segment two (82) are connected the bottom of linkage segment two (81), cooling segment two (82) are close to steam outlet (3) one side, evenly distributed has a plurality of through-hole two (9) on the bottom of cooling segment two (82).

5. The organic solvent distillation still according to claim 4, wherein: and a second cover plate (10) is arranged at the end part of the second cooling section (82).

6. The organic solvent distillation still according to claim 1, wherein: the heating device (2) comprises an inlet section (21) arranged on the kettle body (1) in a penetrating mode, a main heating section (22) arranged inside the kettle body (1) in a spiral mode, and an outlet section (24) arranged on the kettle body (1) in a penetrating mode.

7. The organic solvent distillation still according to claim 6, wherein: heating device (2) still including connecting main heating section (22) with vice heating section (23) between export section (24), vice heating section (23) snake dish is the round platform shape, and the tip orientation liquid export (4) one side.

8. The organic solvent distillation still according to claim 1, wherein: and a flange (11) is arranged at the liquid outlet (4), and the end part of the flange (11) extends into the liquid outlet (4) and is flush with the inner wall of the kettle body (1).