CN219517837U - A kind of anti-reflux rectification tower - Google Patents

Abstract

The utility model relates to the technical field of rectifying towers, in particular to a reflux-preventing rectifying tower, which comprises a rectifying tower body, a distillation cavity arranged in the lower part of the rectifying tower body, a controller fixedly arranged on one side of the rectifying tower body, an air suction component fixedly communicated with the top end of the distillation cavity, a stirring mechanism arranged in the distillation cavity and a heating component communicated with one end of the stirring mechanism, wherein the heating component, the air suction component and the stirring mechanism are electrically connected with the controller, so that distilled steam can be sucked out and liquefied, the phenomenon of reflux of the distilled steam is avoided, the normal work of the rectifying tower is ensured, and the mixed liquid can be heated in the rectifying tower rapidly and uniformly, and the distillation working efficiency of the rectifying tower is greatly improved.

Description

A reflux-proof rectification tower

technical field

The utility model relates to the technical field of rectification towers, in particular to an anti-reflux rectification tower.

Background technique

The rectification tower is a tower-type vapor-liquid contact device for rectification. It uses the different volatility of each component in the mixture, that is, the property of different vapor pressures of each component at the same temperature, so that the vapor pressure of each component in the liquid phase is different. The light components are transferred to the gas phase, and the heavy components in the gas phase are transferred to the liquid phase, so as to achieve the purpose of separation. The rectification column is also a mass transfer and heat transfer device widely used in petrochemical production.

The existing rectification tower does not have a reflux prevention structure. During the working process of the rectification tower, the steam distilled is often prone to reflux, which affects the normal distillation work of the rectification tower, and when the distillation tower is distilling the mixed liquid , the rate at which the mixed liquid is heated is slow, resulting in a reduction in the distillation efficiency of the rectification column and a reduction in its practicability.

Therefore, it is necessary to invent a kind of anti-reflux rectification tower.

Utility model content

Therefore, the utility model provides an anti-reflux rectification tower, through which the distilled steam can be sucked out and liquefied through the controller, the suction assembly, the stirring mechanism and the heating assembly, thus avoiding the reflux of the distilled steam phenomenon, which ensures the normal operation of the rectification tower, and the mixed liquid can be heated quickly and evenly in the distillation tower, which greatly improves the distillation efficiency of the rectification tower. The steam is often prone to reflux, which affects the normal distillation work of the rectification tower, and when the distillation tower is distilling the mixed liquid, the heating rate of the mixed liquid is relatively slow, which leads to the problem that the distillation efficiency of the rectification tower is reduced.

In order to achieve the above object, the utility model provides the following technical solutions: a rectification tower for preventing reflux, including a rectification tower body, and a distillation cavity arranged in the lower part of the rectification tower body, and also includes a rectification tower body fixedly installed The controller on the side, the suction assembly fixedly connected with the top of the distillation chamber, the stirring mechanism arranged in the distillation chamber and the heating assembly connected with one end of the stirring mechanism;

The heating component, air suction component and stirring mechanism are all electrically connected with the controller.

Preferably, the suction assembly includes a suction fan and a liquid storage chamber, the liquid storage chamber is arranged in the upper part of the rectification column body, and a third conduit is fixedly connected to the center of the bottom end of the liquid storage chamber, and the The bottom end of the third conduit is fixedly connected with a first control valve, the output end of the first control valve is fixedly connected with a liquid discharge pipe, and the input end of the suction fan is fixed to the top center of the distillation chamber through the suction pipe The output end of the suction fan is fixedly communicated with a condenser through the second conduit, and the upper part of one side of the liquid storage chamber at the output end of the condenser is fixedly communicated.

Preferably, the suction fan, the condenser and the first control valve are all fixedly installed in the upper part of the rectification column body, and the suction fan, the condenser and the first control valve are all electrically connected to the controller.

Preferably, the center of the bottom end of the distillation chamber is fixedly connected with a fourth conduit, the bottom end of the fourth conduit is fixedly connected with a second control valve, and the output end of the second control valve is fixedly connected with a discharge port. The material pipe, the top end of the distillation chamber away from the heating component is fixedly connected with a steel pipe, the end of the steel pipe far away from the distillation chamber is fixedly connected with a third control valve, and the input end of the third control valve is fixedly connected with There is a hopper.

Preferably, the feed hopper is fixedly installed on one side of the rectification column body, the second control valve is fixedly installed on the bottom end of the rectification column body, and the third control valve and the second control valve are both Electrically connected with the controller.

Preferably, the heating assembly includes a hot air blower, the hot air blower is fixedly installed on the lower part of the rectification column body away from the feed hopper, the hot air blower is electrically connected to the controller, and the output of the hot air blower The end is fixedly communicated with a connecting piece through the air guide pipe, and the connecting piece is fixedly installed on the lower part of the side of the rectification column body close to the hot air blower, and the connecting piece is connected in rotation with the stirring mechanism.

Preferably, the stirring mechanism includes an S-shaped hollow tube and a motor, the S-shaped hollow tube is arranged in the middle of the distillation chamber, the two ends of the S-shaped hollow tube are respectively rotatably mounted on the rectification column body, and the S-shaped hollow tube is One end of the S-shaped hollow tube close to the hot air blower is in rotational communication with the connecting piece, and the end of the S-shaped hollow tube close to the hot air blower is fixedly installed with a pinion gear, and the pinion gear is meshed with a main gear, and the main gear is fixedly mounted on the motor. On the output shaft, a breather valve is fixedly installed in the end of the S-shaped hollow tube away from the pinion gear.

Preferably, the housing of the motor is fixedly installed on the side of the lower part of the rectification column body close to the hot air blower, the output shaft of the motor is rotatably installed in the rectification column body, and the motor is electrically connected to the controller.

The beneficial effects of the utility model are: the distilled steam can be sucked out and liquefied through the controller, the suction assembly, the stirring mechanism and the heating assembly, thereby avoiding the phenomenon of reflux of the distilled steam and ensuring the rectification tower The normal work, and the mixed liquid can be heated quickly and evenly in the distillation tower, which greatly improves the distillation efficiency of the rectification tower, and has strong practicability.

Description of drawings

Fig. 1 is the rectifying column front view that the utility model provides;

Fig. 2 is the structural diagram of the rectifying tower provided by the utility model;

Fig. 3 is the enlarged view of A region in Fig. 2 provided by the utility model;

Fig. 4 is a perspective view of the feeding hopper provided by the utility model.

In the figure: 1-distillation column body, 2-distillation chamber, 3-liquid storage chamber, 4-first conduit, 5-condenser, 6-suction fan, 7-second conduit, 8-suction pipe, 9 -The third conduit, 10-the first control valve, 11-the discharge pipe, 12-the fourth conduit, 13-the second control valve, 14-the discharge pipe, 15-steel pipe, 16-the third control valve, 17- Feed hopper, 18-S-shaped hollow pipe, 19-breather valve, 20-connector, 21-air duct, 22-hot air blower, 23-motor, 24-pinion, 25-main gear, 26-controller.

Detailed ways

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

Referring to accompanying drawings 1-4, a kind of anti-reflux rectification tower provided by the utility model comprises rectification tower body 1, and the distillation chamber 2 that is arranged in the lower part of rectification tower body 1, also includes the distillation chamber that is fixedly installed in rectification tower The controller 26 on one side of the body 1, the suction assembly fixedly connected to the top of the distillation chamber 2, the stirring mechanism arranged in the distillation chamber 2, and the heating assembly connected to one end of the stirring mechanism, the heating assembly, the suction assembly and the stirring The mechanisms are all electrically connected to the controller 26 .

The suction assembly includes a suction fan 6 and a liquid storage chamber 3, the liquid storage chamber 3 is arranged in the upper part of the rectification tower body 1, and the center of the bottom end of the liquid storage chamber 3 is fixedly connected with a third conduit 9, and the third conduit 9 The bottom end is fixedly connected with a first control valve 10, the output end of the first control valve 10 is fixedly connected with a liquid discharge pipe 11, and the input end of the suction fan 6 is fixedly connected with the top center of the distillation chamber 2 through the suction pipe 8. The output end of the suction fan 6 is fixedly connected with the condenser 5 through the second conduit 7, and the suction fan 6 works to transport the steam in the top of the distillation chamber 2 to the condenser 5 through the suction pipe 8 and the second conduit 7, and the steam is in the condenser 5. Liquefied in the condenser 5 and flows into the liquid storage chamber 3 through the first conduit 4, thereby avoiding the phenomenon that the steam flows back into the distillation chamber 2, and ensuring the normal distillation operation of the rectification tower, the output end of the condenser 5 stores liquid The upper part of one side of chamber 3 is fixedly connected, and the suction fan 6, the condenser 5 and the first control valve 10 are all fixedly installed in the upper part of the rectification column body 1, and the suction fan 6, the condenser 5 and the first control valve 10 are all connected with The controller 26 is electrically connected, and controls the opening and closing of the suction fan 6 and the condenser 5 through the controller 26 , and controls the opening and closing of the first control valve 10 through the controller 26 .

The center of the bottom end of the distillation chamber 2 is fixedly connected with a fourth conduit 12, the bottom end of the fourth conduit 12 is fixedly connected with a second control valve 13, and the output end of the second control valve 13 is fixedly connected with a discharge pipe 14. The remaining liquid in the distillation chamber 2 can be discharged through the fourth conduit 12, the second control valve 13 and the discharge pipe 14. The top of the distillation chamber 2 away from the heating component is fixedly connected with a steel pipe 15, and the steel pipe 15 is far away from the distillation chamber 2. A third control valve 16 is fixedly connected to one end of the third control valve 16, and a feeding hopper 17 is fixedly connected to the input end of the third control valve 16. The staff can pour the mixed liquid into the feeding hopper 17, so that the mixed liquid can pass through the third The control valve 16 and the steel pipe 15 enter into the distillation chamber 2, the feed hopper 17 is fixedly installed on one side of the rectification tower body 1, the second control valve 13 is fixedly installed on the bottom end of the rectification tower body 1, and the third Both the control valve 16 and the second control valve 13 are electrically connected to the controller 26 , and the opening of the second control valve 13 and the third control valve 16 is controlled by the controller 26 .

The heating assembly includes a hot air blower 22, and the hot air blower 22 is fixedly installed on the lower part of the rectification tower body 1 away from the feed hopper 17. The hot air blower 22 is electrically connected with the controller 26, and the temperature of the hot air blower 22 is controlled by the controller 26. Opening and closing, the output end of the hot air blower 22 is fixedly connected with the connecting piece 20 through the air guide pipe 21, and the connecting piece 20 is fixedly installed on the lower part of the side of the rectification tower body 1 close to the hot air blower 22, and the connecting piece 20 is in rotation communication with the stirring mechanism , the hot air blower 22 works to produce hot air, and the hot air is delivered to the stirring mechanism through the air duct 21 and the connecting piece 20 .

The stirring mechanism includes an S-shaped hollow tube 18 and a motor 23. The S-shaped hollow tube 18 is arranged in the middle of the distillation chamber 2. One end of 18 close to the hot air blower 22 is in rotational communication with the connector 20, so that the hot gas can flow in the S-shaped hollow tube 18, and the hot gas in the S-shaped hollow tube 18 can heat the mixed liquid, so that the mixed liquid can be fully mixed with Heat contact, so that the mixed liquid is heated faster, the mixed liquid is heated more evenly, and the distillation efficiency of the rectification tower is greatly improved. The end of the S-shaped hollow tube 18 close to the hot air blower 22 is fixedly installed with a pinion gear 24, and the pinion gear 24 is in transmission meshing Main gear 25 is arranged, and main gear 25 is fixedly installed on the output shaft of motor 23, and motor 23 work drives main gear 25 to rotate, and main gear 25 rotates and drives secondary gear 24 and S-shaped hollow pipe 18 to rotate, and S-shaped hollow pipe 18 can rotate The mixed liquid in the distillation chamber 2 is stirred, and the end of the S-shaped hollow tube 18 away from the pinion gear 24 is fixedly equipped with a breather valve 19. The set breather valve 19 is used to discharge the hot gas in the S-shaped hollow tube 18. The motor 23 The housing is fixedly installed on the side of the lower part of the rectification tower body 1 close to the hot air blower 22. The output shaft of the motor 23 is installed in the rectification tower body 1 in rotation. The motor 23 is electrically connected with the controller 26 and controlled by the controller 26. The opening and closing of motor 23.

The use process of the present utility model is as follows: when in use, the staff opens the third control valve 16 through the controller 26, and then the staff pours the mixed solution into the feed hopper 17, so that the mixed solution passes through the third control valve 16 and The steel pipe 15 enters the distillation chamber 2, and then the motor 23, the hot air blower 22, the suction fan 6 and the condenser 5 are started by the hot air blower 22. The hot air blower 22 works to produce hot air, and the hot air is transported to the In the S-shaped hollow tube 18, the hot air in the S-shaped hollow tube 18 flows in an S-shape in the S-shaped hollow tube 18, and finally the hot air is discharged through the vent valve 19, and the motor 23 drives the main gear 25 to rotate, and the main gear 25 rotates to drive the secondary The gear 24 and the S-shaped hollow tube 18 rotate, and the rotation of the S-shaped hollow tube 18 can stir the mixed solution in the distillation chamber 2, and the hot gas in the S-shaped hollow tube 18 can heat the mixed solution, so that the mixed solution can be Sufficient contact with heat, so that the mixed liquid is heated faster and more uniformly, which greatly improves the distillation efficiency of the rectification tower. The distilled steam will flow upward in the distillation chamber 2, and the suction fan 6 will work through the suction The pipe 8 and the second conduit 7 transport the vapor in the top of the distillation chamber 2 to the condenser 5, where the vapor is liquefied in the condenser 5 and flows into the liquid storage chamber 3 through the first conduit 4, thus avoiding the return of the vapor to the distillation chamber. The phenomenon in the chamber 2 ensures the normal distillation work of the rectification tower. After the distillation is completed, the staff can open the second control valve 13 and the first control valve 10 through the controller 26, and the liquid in the liquid storage chamber 3 can pass through The third conduit 9 , the first control valve 10 and the discharge pipe 11 are discharged, and the remaining liquid in the distillation chamber 2 can be discharged through the fourth conduit 12 , the second control valve 13 and the discharge pipe 14 .

The above are only preferred embodiments of the present utility model, and any person skilled in the art may use the above-mentioned technical solutions to modify the present utility model or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the utility model belongs to the protection scope of the utility model.

Claims (8)

1. A reflux-proof rectification tower, comprising a rectification tower body (1), and a distillation cavity (2) arranged in the bottom of the rectification tower body (1), characterized in that: it also includes a rectification tower body fixedly installed The controller (26) on one side of the body (1), the air suction assembly fixedly connected to the top of the distillation chamber (2), the stirring mechanism arranged in the distillation chamber (2), and the heating assembly connected to one end of the stirring mechanism; The heating assembly, suction assembly and stirring mechanism are all electrically connected to the controller (26). 2. A kind of reflux prevention rectification tower according to claim 1, is characterized in that: described suction assembly comprises suction fan (6) and liquid storage cavity (3), and described liquid storage cavity (3) is arranged on In the upper part of the rectification column body (1), a third conduit (9) is fixedly connected to the center of the bottom end of the liquid storage chamber (3), and a third conduit (9) is fixedly connected to the bottom end of the third conduit (9). A control valve (10), the output end of the first control valve (10) is fixedly connected with a liquid discharge pipe (11), and the input end of the suction fan (6) is connected to the distillation chamber through the suction pipe (8) The top center of (2) is fixedly connected, and the output end of the suction fan (6) is fixedly connected with a condenser (5) through the second conduit (7), and the output end liquid storage chamber of the condenser (5) ( 3) The upper part of one side is fixedly connected. 3. a kind of anti-reflux rectification column according to claim 1, is characterized in that: the bottom center of described distillation chamber (2) is fixedly communicated with and is provided with the 4th conduit (12), and described 4th conduit (12 ) is fixedly communicated with a second control valve (13), the output end of the second control valve (13) is fixedly communicated with a discharge pipe (14), and the distillation chamber (2) is far away from the heating assembly A steel pipe (15) is fixedly connected to the top of one side of the steel pipe (15), and a third control valve (16) is fixedly connected to the end of the steel pipe (15) away from the distillation chamber (2). The input of the third control valve (16) A feed hopper (17) is fixedly connected to the end. 4. A kind of anti-reflux distillation column according to claim 2, characterized in that: said suction fan (6), condenser (5) and first control valve (10) are all fixedly installed on the rectification column body In the upper part of (1), the suction fan (6), the condenser (5) and the first control valve (10) are all electrically connected to the controller (26). 5. A kind of anti-reflux rectification tower according to claim 3, is characterized in that: described feed hopper (17) is fixedly installed on the side of rectification tower body (1), and described second control valve (13) is fixedly installed on the bottom end of the rectification column body (1), and the third control valve (16) and the second control valve (13) are both electrically connected to the controller (26). 6. The anti-reflux rectification tower according to claim 3, characterized in that: the heating assembly includes a hot air blower (22), and the hot air blower (22) is fixedly installed on the rectification tower body (1) On the lower part of the side away from the feed hopper (17), the hot air blower (22) is electrically connected to the controller (26), and the output end of the hot air blower (22) is fixedly communicated with the air duct (21). A connecting piece (20), the connecting piece (20) is fixedly installed on the lower part of the side of the rectification column body (1) close to the hot air blower (22), and the connecting piece (20) is in rotational communication with the stirring mechanism. 7. a kind of anti-reflux rectification column according to claim 6, is characterized in that: described stirring mechanism comprises S-shaped hollow tube (18) and motor (23), and described S-shaped hollow tube (18) is arranged on In the middle part of the distillation chamber (2), the two ends of the S-shaped hollow tube (18) are respectively rotated and installed on the rectification column body (1), and the S-shaped hollow tube (18) is close to one end of the hot air blower (22) Connected with the connector (20) in rotation, the S-shaped hollow tube (18) is fixedly installed with a pinion gear (24) at one end close to the hot air blower (22), and the pinion gear (24) is driven and meshed with a main gear (25) , the main gear (25) is fixedly installed on the output shaft of the motor (23), and the vent valve (19) is fixedly installed in the end of the S-shaped hollow pipe (18) away from the auxiliary gear (24). 8. The anti-reflux rectification tower according to claim 7, characterized in that: the housing of the motor (23) is fixedly installed on the side of the lower part of the rectification tower body (1) close to the hot air blower (22) Above, the output shaft of the motor (23) is rotatably installed in the rectification column body (1), and the motor (23) is electrically connected with the controller (26).