Dryer for chlorotoluene production

By introducing agitating components and recycling components into the dryer, the problem of uneven heating of toluene mixture is solved, the drying efficiency and stability are improved, and water resources are saved.

CN222854606UActive Publication Date: 2025-05-13HUBEI FENGSHAN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421485071.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-05-13
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing dryers are heated unevenly during the heating and evaporation of the toluene mixture, which affects the drying effect and efficiency.

Method used

A dryer including a drying cylinder body, agitating assembly and a recycling assembly is designed to stir the toluene mixture through a motor-driven stirring leaf to ensure uniform heating, and at the same time, steam is recovered through a condenser and exhaust pipe, saving water resources and reducing boiler water feeding treatment costs.

Benefits of technology

The uniform heating of the toluene mixture is achieved, the drying efficiency and stability are improved, and water resources are saved and the boiler water feeding treatment costs are reduced.

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Abstract

The utility model discloses a dryer for chlorotoluene production, and relates to the technical field of distillation pots or distillation kettles. The dryer for chlorotoluene production comprises a drying cylinder body, a stirring assembly and a recycling assembly, the stirring assembly is located on the drying cylinder body and comprises a motor, the motor is fixedly connected to the top of the drying cylinder body, the output end of the motor is fixedly connected with a connecting column, and the end, away from the motor, of the connecting column is fixedly connected with a driving gear; a surface gear of the driving gear is engaged with a driven gear, the bottom of the driven gear is fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a plurality of stirring blades, the motor rotates to drive a connecting column to rotate, and the connecting column rotates through the driving gear, the driven gear and the rotating shaft to finally drive the stirring blades to rotate. And a toluene mixed solution in the drying cylinder body can be effectively stirred, so that the situation that the drying effect is affected due to non-uniform heating of the mixed solution during toluene purification is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of a distillation pot or a distillation kettle, in particular to a dryer used for the production of chlorotoluene. Background Art

[0002] Chlorotoluene is an important organic chemical with a wide range of applications in different fields. It provides important raw material support for industries such as pharmaceuticals, chemicals, medical devices, fragrances, and dye printing and dyeing. The production of chlorotoluene is usually prepared by chlorination of toluene. The raw toluene first needs to enter the dryer for drying to ensure the purity of the raw material and avoid the influence of moisture or other impurities on the subsequent chlorination reaction. The dryer plays an important role in the production process of chlorotoluene.

[0003] In the existing dryer, a spiral heating tube is usually used to heat and evaporate the toluene mixture inside to purify toluene. When the mixed liquid is statically heated inside the dryer, the heating conditions inside and outside the liquid are different, which makes the mixed liquid near the heating tube heated unevenly. The different temperatures inside and outside the mixed liquid affect the stability during drying and the drying efficiency. Therefore, it is urgent to design a dryer for the production of chlorotoluene that can dry evenly. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and to provide a dryer for chlorotoluene production, which can solve the problem that the mixed liquid is heated unevenly and affects the drying effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dryer for the production of chlorotoluene, comprising a drying cylinder body, a stirring assembly and a recovery assembly, the surface of the drying cylinder body is fixedly connected with a water tank, the stirring assembly is located on the drying cylinder body, the stirring assembly comprises a motor, the motor is fixedly connected to the top of the drying cylinder body, the output end of the motor is fixedly connected with a connecting column, the end of the connecting column away from the motor is fixedly connected with a driving gear, the surface gear of the driving gear is meshed with a driven gear, the bottom of the driven gear is fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a plurality of stirring blades, and the recovery assembly is located on the water tank.

[0006] Preferably, one end of the rotating shaft away from the driven gear extends to the interior of the drying cylinder body, and the stirring blades are arranged in a circular array.

[0007] Preferably, the recovery component includes a collecting pipe, which is fixedly connected to the surface of the water tank, a condenser is fixedly connected to one end of the collecting pipe away from the water tank, an exhaust pipe is fixedly connected to one end of the condenser away from the collecting pipe, an outlet pipe is fixedly connected to the surface of the water tank, and a second solenoid valve is arranged inside the outlet pipe.

[0008] Preferably, the collecting pipe is connected to the interior of the water tank, the end of the exhaust pipe away from the condenser is connected to the interior of the drying cylinder body, and the water outlet pipe is connected to the interior of the water tank.

[0009] Preferably, four drying cylinder support legs and a drying cylinder discharge port are fixedly connected to the bottom of the drying cylinder body, a first solenoid valve is arranged inside the drying cylinder discharge port, a spiral heating tube is fixedly connected inside the drying cylinder body, and a drying cylinder feed port is fixedly connected to the surface of the drying cylinder body.

[0010] Preferably, the drying cylinder discharge port is connected to the interior of the drying cylinder body, both ends of the spiral heating tube extend out of the interior of the drying cylinder body, a drying cylinder controller is fixedly connected to the surface of the drying cylinder body, the first solenoid valve, the spiral heating tube, the motor, the condenser and the second solenoid valve are all electrically connected to the drying cylinder controller, and the drying cylinder feed port is connected to the interior of the drying cylinder body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) In the dryer for chlorotoluene production, the rotation of the motor drives the rotation of the connecting column, and the rotation of the connecting column drives the rotation of the stirring blade through the driving gear, the driven gear and the rotating shaft, so as to effectively stir the toluene mixed liquid inside the drying cylinder body, thereby avoiding the situation that the mixed liquid is heated unevenly during the purification of toluene and affects the drying effect, thereby improving the drying efficiency and the practicality.

[0013] (2) The dryer for chlorotoluene production can effectively condense and recover the steam inside the drying cylinder body by setting the exhaust pipe and the condenser pipe, thereby saving water resources and boiler feed water treatment costs, improving environmental protection and practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the motor of the utility model;

[0017] Figure 3 This is a schematic diagram of the water tank of the utility model;

[0018] Figure 4 This is a schematic diagram of the stirring blade of the utility model.

[0019] Figure numerals: 1. Drying cylinder body; 2. Drying cylinder supporting legs; 3. Drying cylinder controller; 4. Drying cylinder feed port; 5. Drying cylinder discharge port; 6. First solenoid valve; 7. Spiral heating tube; 8. Motor; 9. Connecting column; 10. Driving gear; 11. Driven gear; 12. Rotating shaft; 13. Stirring blade; 14. Exhaust pipe; 15. Condenser; 16. Collecting pipe; 17. Water tank; 18. Water outlet pipe; 19. Second solenoid valve. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] See also Figure 1-4The utility model provides a technical solution: a dryer for the production of chlorotoluene, comprising a drying cylinder body 1, a stirring assembly and a recovery assembly, a water tank 17 is fixedly connected to the surface of the drying cylinder body 1, and the arrangement of the water tank 17 is convenient for the recovery and storage of steam, the stirring assembly is located on the drying cylinder body 1, the stirring assembly comprises a motor 8, the motor 8 is fixedly connected to the top of the drying cylinder body 1, the output end of the motor 8 is fixedly connected to a connecting column 9, the end of the connecting column 9 away from the motor 8 is fixedly connected to a driving gear 10, the surface gear of the driving gear 10 is meshed with a driven gear 11, the bottom of the driven gear 11 is fixedly connected to a rotating shaft 12, the end of the rotating shaft 12 away from the driven gear 11 extends to the inside of the drying cylinder body 1, the surface of the rotating shaft 12 is fixedly connected to a plurality of stirring blades 13, the stirring blades 13 are arranged in a circular array, and the toluene mixed liquid inside the drying cylinder body 1 can be effectively stirred by the coordinated use of the rotating shaft 12 and the stirring blades 13, so as to avoid mixing during the purification of toluene. The situation that the liquid is heated unevenly and affects the drying effect occurs, thereby improving the drying efficiency and practicability. The recovery component is located on the water tank 17, and the recovery component includes a collecting pipe 16. The collecting pipe 16 is fixedly connected to the surface of the water tank 17, and the collecting pipe 16 is connected to the inside of the water tank 17. The end of the collecting pipe 16 away from the water tank 17 is fixedly connected to a condenser 15, and the condenser 15 can refer to the publication number CN217818222U. The end of the condenser 15 away from the collecting pipe 16 is fixedly connected to an exhaust pipe 14, and the end of the exhaust pipe 14 away from the condenser 15 is connected to the inside of the drying cylinder body 1. The surface of the water tank 17 is fixedly connected to a water outlet pipe 18, and the water outlet pipe 18 is connected to the inside of the water tank 17. A second solenoid valve 19 is arranged inside the water outlet pipe 18. Through the arrangement of the exhaust pipe 14 and the condenser 15, the steam inside the drying cylinder body 1 can be effectively condensed and recovered, thereby saving water resources and boiler feed water treatment costs, improving environmental protection, and improving practicability.

[0025] Furthermore, four drying cylinder supporting legs 2 and a drying cylinder discharge port 5 are fixedly connected to the bottom of the drying cylinder body 1, and the drying cylinder discharge port 5 is communicated with the interior of the drying cylinder body 1. A first solenoid valve 6 is arranged inside the drying cylinder discharge port 5, and a spiral heating tube 7 is fixedly connected to the interior of the drying cylinder body 1. Both ends of the spiral heating tube 7 extend out of the interior of the drying cylinder body 1, and a drying cylinder controller 3 is fixedly connected to the surface of the drying cylinder body 1. The first solenoid valve 6, the spiral heating tube 7, the motor 8, the condenser 15 and the second solenoid valve 19 are all electrically connected to the drying cylinder controller 3, and a drying cylinder feed port 4 is fixedly connected to the surface of the drying cylinder body 1, and the drying cylinder feed port 4 is communicated with the interior of the drying cylinder body 1.

[0026] Working principle: When it is necessary to dry the toluene mixture, first pour the toluene mixture into the interior of the drying cylinder body 1 from the drying cylinder feed port 4, and then control the start of the spiral heating tube 7, the motor 8 and the condenser 15 through the drying cylinder controller 3. The start of the spiral heating tube 7 can heat the internal toluene mixture of the drying cylinder body 1 to evaporate water and achieve a drying effect. The rotation of the motor 8 drives the rotation of the connecting column 9. The rotation of the connecting column 9 drives the rotation of the rotating shaft 12 through the driving gear 10 and the driven gear 11. The rotation of the rotating shaft 12 drives the rotation of the stirring blade 13, so as to stir the toluene mixture inside the drying cylinder body 1 so that it is heated evenly. The start of the condenser 15 can condense and recover the steam flowing in through the exhaust pipe 14 to achieve environmental protection operation. When the toluene mixture is dried, the spiral heating tube 7, the motor 8 and the condenser 15 are closed and the first solenoid valve 6 and the second solenoid valve 19 are opened through the drying cylinder controller 3, so as to discharge toluene and water respectively. After the discharge is completed, the first solenoid valve 6 and the second solenoid valve 19 can be closed through the drying cylinder controller 3.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A dryer for the production of chlorotoluene, characterized in that, include: A drying cylinder body (1), the surface of which is fixedly connected to a water tank (17); A stirring assembly: The stirring assembly is located on the drying cylinder body (1), and comprises a motor (8). The motor (8) is fixedly connected to the top of the drying cylinder body (1), the output end of the motor (8) is fixedly connected to a connecting column (9), the end of the connecting column (9) away from the motor (8) is fixedly connected to a driving gear (10), the surface gear of the driving gear (10) is meshed with a driven gear (11), the bottom of the driven gear (11) is fixedly connected to a rotating shaft (12), and the surface of the rotating shaft (12) is fixedly connected to a plurality of stirring blades (13); Recovery component: The recovery component is located on the water tank (17); The recovery component comprises a collecting pipe (16), the collecting pipe (16) is fixedly connected to the surface of a water tank (17), one end of the collecting pipe (16) away from the water tank (17) is fixedly connected to a condensing pipe (15), one end of the condensing pipe (15) away from the collecting pipe (16) is fixedly connected to an exhaust pipe (14), the surface of the water tank (17) is fixedly connected to a water outlet pipe (18), and a second solenoid valve (19) is arranged inside the water outlet pipe (18).

2. A dryer for the production of chlorotoluene according to claim 1, characterized in that: One end of the rotating shaft (12) away from the driven gear (11) extends to the interior of the drying cylinder body (1), and the stirring blades (13) are arranged in a circular array.

3. A dryer for the production of chlorotoluene according to claim 1, characterized in that: The collecting pipe (16) is connected to the interior of the water tank (17), one end of the exhaust pipe (14) away from the condenser (15) is connected to the interior of the drying cylinder body (1), and the water outlet pipe (18) is connected to the interior of the water tank (17).

4. A dryer for the production of chlorotoluene according to claim 1, characterized in that: The bottom of the drying cylinder body (1) is fixedly connected to four drying cylinder support legs (2) and a drying cylinder discharge port (5); a first solenoid valve (6) is arranged inside the drying cylinder discharge port (5); a spiral heating tube (7) is fixedly connected inside the drying cylinder body (1); and a drying cylinder feed port (4) is fixedly connected to the surface of the drying cylinder body (1).

5. A dryer for the production of chlorotoluene according to claim 4, characterized in that: The drying cylinder discharge port (5) is connected to the interior of the drying cylinder body (1), the two ends of the spiral heating tube (7) extend out of the interior of the drying cylinder body (1), the surface of the drying cylinder body (1) is fixedly connected to a drying cylinder controller (3), the first solenoid valve (6), the spiral heating tube (7), the motor (8), the condenser (15) and the second solenoid valve (19) are all electrically connected to the drying cylinder controller (3), and the drying cylinder feed port (4) is connected to the interior of the drying cylinder body (1).