CN210543421U

CN210543421U - Distillation still

Info

Publication number: CN210543421U
Application number: CN201921251905.0U
Authority: CN
Inventors: 张明义; 刘寒迁; 杜启明; 李进红
Original assignee: Qianjiang Yisheng New Material Co ltd
Current assignee: Qianjiang Yisheng New Material Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-19
Anticipated expiration: 2029-08-05

Abstract

The utility model relates to a chemical industry equipment technical field discloses a distillation still, including the cauldron body, rotate and connect (mixing) shaft, drive (mixing) shaft pivoted motor internal at the cauldron, cauldron external wall is provided with the clamp cover that is used for splendid attire conduction oil, cauldron body bottom is provided with the through-hole, pegs graft in the pivot in the through-hole, and pivot one end and the other end that the (mixing) shaft meets are located in the clamp cover, the pivot is located clamp cover one end and is connected with a plurality of scraper blades. The utility model has the advantages of it is following and effect: a scraper plate rotating along the outer wall of the kettle body is arranged in the jacket, so that on one hand, the heat conduction oil in the jacket can be stirred, and the heat conduction oil is heated more uniformly; on the other hand, the scraper blade can strike off the carbon deposit that the cauldron body outer wall produced because of the conduction oil coking, improves heat conduction efficiency, extension reation kettle life.

Description

Distillation still

Technical Field

The utility model relates to a chemical industry equipment technical field, in particular to stills.

Background

The distillation still is commonly used in the organic matter preparation reaction process of chemical enterprises, and the distillation still enables volatile components to be distilled out of mixed liquid by heating the organic matter in the distillation still to a specific temperature. The distillation still heating device is commonly used and has a jacket type, a pipe type, an electric heating wire type and the like, the jacket type structure is simple, the service life is long, and the distillation still heating device is widely applied to the processing of chemical products, but the jacket type easily generates dead angles which cannot flow, the heating is influenced, and the local overheating can also cause the decomposition of organic matters in the reaction kettle, and the product yield is influenced.

The distillation still adopts heat-conducting oil to directly heat for steam heating and heating wires, has the advantages of high operating temperature, high technological requirement for realizing high-temperature heating and low-temperature cooling at the same time and high thermal efficiency, but the heat-conducting oil is easy to coke when being improperly operated, thereby influencing the heat transfer efficiency and blocking pipelines. After coking, the coke is generally cleaned circularly by an alkaline cleaning agent, and the cleaning mode needs to be stopped and stopped, and needs a large amount of clear water for washing, so that a large amount of oily wastewater is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reaction kettle has the effect that the heating is even, the conduction oil is difficult for the coking, can clear away the interior carbon deposit of jacket, can improve reaction kettle heating efficiency, extension reaction kettle life.

The above technical purpose of the present invention can be achieved by the following technical solutions: connect including the cauldron body, rotation and be in (mixing) shaft, the drive in the cauldron the (mixing) shaft pivoted motor, cauldron external wall is provided with the clamp cover that is used for the splendid attire conduction oil, cauldron body bottom is provided with the through-hole, pegs graft and is in pivot in the through-hole, pivot one end with the (mixing) shaft meets the other end and is located in the clamp cover, the pivot is located one end is connected with a plurality of scraper blades in the clamp cover.

Through adopting above-mentioned technical scheme, the internal rotation of cauldron is connected with the (mixing) shaft, and the external wall of cauldron is provided with and presss from both sides the cover, presss from both sides to be provided with the pivot of being connected with the stirring shaft in the cover, fixes the epaxial scraper blade of changeing, and when the (mixing) shaft rotated under the drive of motor, the drive pivot rotated, and epaxial scraper blade is at the cover internal rotation that presss from both sides under the drive of pivot, stirs the conduction oil in the cover, eliminates the heating dead angle, realizes reation kettle.

The utility model discloses a further set up to: the scraper blade is including being located the bracing piece of cauldron body bottom, articulate doctor-bar, one end on the bracing piece are connected the other end is connected on the bracing piece spring on the doctor-bar, the drive of spring elasticity the doctor-bar is contradicted cauldron external wall.

Through adopting above-mentioned technical scheme, bracing piece one end links to each other the other end with the pivot and articulates there is the doctor-bar, and when the pivot rotated, the bracing piece drove the doctor-bar and rotates, is provided with the spring between bracing piece and the doctor-bar, and spring force drive doctor-bar is contradicted at cauldron external wall, and when the conduction oil produced the carbon deposit at cauldron external wall coking, the scraper blade struck off the carbon deposit, avoids the carbon deposit to influence heat transfer efficiency, and spring force is suitable, and the carbon deposit glues when cauldron external wall is more firm, and the scraper blade constantly rotates along cauldron external wall, scrapes the carbon deposit gradually, can not lead to.

The utility model discloses a further set up to: the scraper is made of stainless steel, can easily scrape carbon deposition formed on the outer wall of the kettle body, is not easy to corrode and wear, and is provided with a polytetrafluoroethylene coating on the outer wall of the kettle body, so that the surface of the scraper is smooth, and the scraper can rotate along the outer wall of the kettle body.

The utility model discloses a further set up to: the spring overcoat is equipped with elastic protection cover, will the spring with the conduction oil is kept apart, avoids the conduction oil to cause the corruption to the spring, influences spring elasticity.

The utility model discloses a further set up to: the oil inlet that supplies the conduction oil to pour into is provided with to press from both sides the cover upside, it is provided with the confession to press from both sides the bottom of cover the oil-out that the conduction oil discharged.

The utility model discloses a further set up to: the oil outlet is connected with a return pipe, a slag settling tank is arranged at the joint of the return pipe and the oil outlet, and a slag discharge port is arranged at the bottom of the slag settling tank.

By adopting the technical scheme, the oil outlet is connected with the return pipe, the heat conduction oil flows through the heater from the return pipe and is reheated, then enters the jacket from the oil inlet to heat the distillation still, the return pipe is provided with the sediment tank, the deposited carbon scraped by the scraper flows out along the heat conduction oil and is deposited in the sediment tank, and the sediment outlet is periodically opened to discharge the deposited carbon.

The utility model discloses a further set up to: and a mechanical sealing device is arranged at the joint of the rotating shaft and the through hole, so that liquid in the reaction kettle is prevented from leaking.

The utility model has the advantages that: a scraper plate rotating along the outer wall of the kettle body is arranged in the jacket, so that on one hand, the heat conduction oil in the jacket can be stirred, and the heat conduction oil is heated more uniformly; on the other hand, the scraper blade can strike off the carbon deposit that the cauldron body outer wall produced because of the conduction oil coking, improves heat conduction efficiency, extension reation kettle life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present embodiment.

Fig. 2 is a schematic view of the structure of the squeegee.

Fig. 3 is an enlarged view of fig. 1 at a.

In the figure, 1, a kettle body; 2. a stirring shaft; 3. a motor; 4. a jacket; 41. an oil inlet; 42. an oil outlet; 11. a through hole; 21. a rotating shaft; 12. a mechanical seal device; 5. a squeegee; 51. a support bar; 52. scraping a blade; 53. a spring; 54. a protective sleeve; 13. coating; 6. a return pipe; 61. a slag settling tank; 62. a slag discharge port.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. 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.

Example (b): a distillation still comprises a still body 1, a stirring shaft 2 rotatably connected in the still body 1 and a motor 3 driving the stirring shaft 2 to rotate, wherein a jacket 4 used for containing heat-conducting oil is arranged on the outer wall of the still body 1, an oil inlet 41 for injecting the heat-conducting oil is arranged on the upper side of the jacket 4, and an oil outlet 42 for discharging the heat-conducting oil is arranged at the bottom of the jacket. The bottom of the kettle body 1 is provided with a through hole 11, a rotating shaft 21 is inserted in the through hole 11, a mechanical sealing device 12 is arranged at the joint of the rotating shaft 21 and the through hole 11, one end of the rotating shaft 21 is connected with a stirring shaft 2, the other end is positioned in the jacket 4, the side wall of one end of the rotating shaft 21 positioned in the jacket 4 is connected with two scraping plates 5, each scraping plate 5 comprises a supporting rod 51 positioned at the bottom of the kettle body 1, one end of each supporting rod 51 is connected with the rotating shaft 21, the other end is hinged with a stainless steel scraping blade 52, a spring 53 is arranged between each scraping blade 52 and the corresponding supporting rod 51, an elastic protecting sleeve 54 is sleeved outside each spring 53 to isolate the spring 53 from heat conducting oil, the scraping blades 52 are elastically driven by the spring 53 to abut against the outer wall of the kettle body 1, the outer wall of the kettle body 1 is provided, meanwhile, the scraping blade 52 can stir the heat conduction oil, so that the heat conduction oil is heated more uniformly.

As shown in fig. 3, a return pipe 6 is connected to the oil outlet 42, a sediment tank 61 is arranged at the joint of the return pipe 6 and the oil outlet 42, a sediment discharge port 62 is arranged at the bottom of the sediment tank 61, the deposited carbon scraped off by the scraper 5 from the outer wall of the kettle body 1 is deposited in the sediment tank 61 when flowing through the return pipe 6 along with the heat transfer oil, and the sediment discharge port 62 is periodically opened to discharge the deposited carbon.

A working principle of a distillation kettle is as follows: when the distillation kettle starts to work, heat conduction oil enters the jacket 4 from the oil inlet 41, the heat conduction oil enters the return pipe 6 from the oil outlet 42 after filling the jacket 4 and flows through the heating device to be heated and then returns to the oil inlet 41, the distillation kettle is heated in a reciprocating manner, the motor 3 arranged on the distillation kettle drives the stirring shaft 2 to rotate, one end of the stirring shaft 2 positioned at the bottom of the kettle body 1 is connected with the rotating shaft 21, one end of the rotating shaft 21 is connected with the stirring shaft 2, and the other end is fixed with the scraping blade 52 which is butted with the outer wall of the kettle body 1, when the stirring shaft 2 rotates, the scraping blade 52 rotates along the outer wall of the kettle body 1 to scrape off carbon deposition adhered to the outer wall of the kettle body 1, thereby avoiding the carbon deposition from influencing the heat transfer efficiency, meanwhile, the rotating scraping blade 52 continuously stirs the heat conduction oil, the heat conduction oil is heated more, and is periodically discharged from a slag discharge port 62 below the slag chute 61.

Claims

1. A distillation still characterized in that: connect including the cauldron body (1), rotate (mixing) shaft (2), the drive in the cauldron body (1) motor (3) of (mixing) shaft (2) pivoted, cauldron body (1) outer wall is provided with the clamp cover (4) that are used for the splendid attire conduction oil, cauldron body (1) bottom is provided with through-hole (11), pegs graft and is in pivot (21) in through-hole (11), pivot (21) one end with (mixing) shaft (2) meet the other end and are located press from both sides in the cover (4), pivot (21) are located one end is connected with a plurality of scraper blades (5) in pressing from both sides the cover (4).

2. A still according to claim 1, wherein: scraper blade (5) are including being located bracing piece (51) of cauldron body (1) bottom, articulate scraper blade (52), one end on bracing piece (51) are connected the other end is connected on bracing piece (51) spring (53) on scraper blade (52), spring (53) elastic drive scraper blade (52) are contradicted the cauldron body (1) outer wall.

3. A still according to claim 2, wherein: the scraper (52) is made of stainless steel, and the outer wall of the kettle body (1) is provided with a polytetrafluoroethylene coating (13).

4. A still according to claim 2, wherein: an elastic protective sleeve (54) is sleeved outside the spring (53) to isolate the spring (53) from the heat conduction oil.

5. A still according to claim 1, wherein: the oil inlet (41) for injecting the heat conduction oil is formed in the upper side of the clamping sleeve (4), and an oil outlet (42) for discharging the heat conduction oil is formed in the bottom of the clamping sleeve (4).

6. A still pot according to claim 5 wherein: a return pipe (6) is connected to the oil outlet (42), a slag settling tank (61) is arranged at the joint of the return pipe (6) and the oil outlet (42), and a slag discharge port (62) is arranged at the bottom of the slag settling tank (61).

7. A still according to claim 1, wherein: and a mechanical sealing device (12) is arranged at the joint of the rotating shaft and the through hole (11).