Cresol refining device

By installing the exhaust gas return pipe above the delight tower of the cresol refining device, the tower tray structure improves heat exchange, and installing a mixing rod in the purchased crude cresol can, the heat waste and insufficient material residence time in the existing technology are solved. The problem has improved the efficiency and yield of the cresol refining process.

CN222490018UActive Publication Date: 2025-02-18ZAOZHUANG ZHENXING NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421247609.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-02-18
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The existing cresol refining device directly eliminates heat in the light-removing tower, resulting in waste of heat and insufficient residence time of materials on the tower tray, affecting heat exchange.

Method used

A cresol refining device is designed. By installing a exhaust gas return pipe above the delight tower, the condensed material is reflowed back into the delight tower, thereby improving the utilization rate of heat; an upper baffle and a liquid leakage hole are provided on the tower tray. , increase the residence time of materials and heat exchange efficiency; and install a mixing rod in the purchased crude cresol tank, and drive the mixing rod to rotate through the motor to prevent the materials from sticking to the tank wall.

Benefits of technology

Through the design of the exhaust gas return pipe, the heat utilization rate is improved, the tower tray structure improves the residence time and heat exchange efficiency of the material, the mixing rod prevents the material from sticking, and the overall efficiency and output of the cresol refining process are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cresol refining device which comprises a crude cresol tank, an outsourcing crude cresol tank, a light component removal tower, a tail gas return pipe, a rectifying tower and a product tank, the outsourcing crude cresol tank and the crude cresol tank are both fixed on the ground, one side of the outsourcing crude cresol tank and one side of the crude cresol tank are provided with a conveying pump, outsourcing crude cresol and crude phenol are conveyed into the light component removal tower through the conveying pump, and the tail gas return pipe is connected with the rectifying tower. The light component removal tower is fixed on the ground, a condenser is arranged above the light component removal tower, the condenser refluxes condensed materials, a tail gas return pipe is arranged above the light component removal tower, the tail gas return pipe extends downwards to enter the lower part of the light component removal tower, the light component removal tower is connected with the rectifying tower through a conveying pipe, the rectifying tower is fixed on the ground, and a condenser is arranged above the rectifying tower. A discharging pipe of the rectifying tower is connected with the product tank, the product tank is fixed on the ground, and the crude phenol tank and the outsourcing crude cresol tank are the same in structure. The device is reasonable in design; and the tail gas return pipe can convey a part of hot gas into the light component removal tower so as to improve heat recovery.
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Description

Technical Field

[0001] The utility model relates to a cresol refining device. Background Art

[0002] Cresol plays an important role in instrument disinfection or environmental disinfection. Cresol needs to be distilled during its manufacture and production. During the existing cresol refining, the heat in the de-lightening tower is directly removed from the top, which often causes heat waste. Utility Model Content

[0003] The utility model aims to provide a cresol refining device to solve the above technical problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A cresol refining device comprises a crude phenol tank, an externally purchased crude cresol tank, a lightness removal tower, a tail gas reflux pipe, a distillation tower, and a product tank. The externally purchased crude cresol tank and the crude phenol tank are both fixed on the ground. A delivery pump is installed on one side of the externally purchased crude cresol tank and the crude phenol tank, and the externally purchased crude cresol and crude phenol are delivered to the lightness removal tower by the delivery pump. The lightness removal tower is fixed on the ground. A condenser is installed above the lightness removal tower, and the condenser refluxes the condensed material. A tail gas reflux pipe is provided above the lightness removal tower, and the tail gas reflux pipe extends downward into the bottom of the lightness removal tower. The lightness removal tower is connected to the distillation tower via a delivery pipe. The distillation tower is fixed on the ground. A condenser is provided above the distillation tower, and a discharge pipe of the distillation tower is connected to the product tank. The product tank is fixed on the ground. The crude phenol tank and the externally purchased crude cresol tank have the same structure. A motor is installed above the externally purchased crude cresol tank, and the motor is powered by municipal electricity.

[0006] Preferably, a plurality of trays are installed in the lightness removal tower, and the trays are equidistantly distributed along the height direction of the lightness removal tower.

[0007] Preferably, the tower plate is provided with an integrally formed upper baffle plate with a plurality of notches, the tower plate is provided with a plurality of leakage holes, the bottom of the tower plate is provided with a spring mounted with screws, the bottom of the spring is provided with a limit block, and the limit block is connected to the inner wall of the lightness removal tower.

[0008] Preferably, a stirring rod is installed in the purchased crude cresol tank, and the stirring rod is driven by a motor.

[0009] Compared with the prior art, the utility model has the following advantages: the utility model has a reasonable design; the purchased cresol tank can increase the feed amount of the light-removing tower, thereby increasing the output of cresol; the tail gas reflux pipe on the light-removing tower can recycle the heat in the light-removing tower into the light-removing tower, thereby improving the utilization rate of heat; the spring under the tower plate can vibrate after the material falls, reducing the material from clogging the leakage holes on the tower plate, and the upper baffle increases the residence time of the material on the tower plate, thereby allowing the material to better exchange heat; the motor rotates the stirring rod to stir the material to avoid the material sticking to the tank wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the cresol refining device of the utility model.

[0011] Figure 2 The utility model is a schematic diagram of a lightness removal tower of a cresol refining device.

[0012] Figure 3 It is a schematic diagram of the tower plate of the cresol refining device of the utility model.

[0013] Figure 4 This is a cross-sectional view of an outsourced cresol tank of the cresol refining device of the utility model. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0015] like Figure 1-4As shown, a cresol refining device comprises a crude phenol tank 2, an externally purchased crude cresol tank 1, a lightness removal tower 3, a tail gas reflux pipe 5, a distillation tower 7, and a product tank 8. The externally purchased crude cresol tank 1 and the crude phenol tank 2 are both fixed on the ground. A delivery pump is installed on one side of the externally purchased crude cresol tank 1 and the crude phenol tank 2. The externally purchased crude cresol and crude phenol are delivered to the lightness removal tower 3 by the delivery pump. The lightness removal tower 3 is fixed on the ground. A condenser 4 is installed above the lightness removal tower 3. The condenser 4 refluxes the condensed material. A tail gas reflux pipe 5 is provided above the lightness removal tower 3. The tail gas reflux pipe 5 extends downward into the bottom of the lightness removal tower 3. The lightness removal tower 3 is connected to the distillation tower 7 through a delivery pipe. The distillation tower 7 is fixed on the ground. A condenser 4 is provided above the distillation tower 7. The distillation tower 7 is fixed on the ground. A condenser 4 is provided above the distillation tower 7. The discharge pipe of tower 7 is connected with product tank 8, and product tank 8 is fixed on the ground. The crude phenol tank 2 and the purchased crude cresol tank 1 have the same structure. A motor 6 is installed above the purchased crude cresol tank 1, and the motor 6 is powered by municipal electricity. A plurality of tower plates 9 are installed in the light-removal tower 3, and the tower plates 9 are equidistantly distributed along the height direction of the light-removal tower 3. An integrally formed upper baffle 10 is provided on the tower plate 9, and a plurality of notches 11 are provided on the upper baffle 10. A plurality of leakage holes 12 are provided on the tower plate 9. A spring 13 installed with screws is provided at the bottom of the tower plate 9, and a limit block 14 is provided at the bottom of the spring 13. The limit block 14 is connected to the inner wall of the light-removal tower 3. A stirring rod 15 is installed in the purchased crude cresol tank 1, and the stirring rod 15 is driven by a motor.

[0016] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A cresol refining device, comprising a crude phenol tank (2), an externally purchased crude cresol tank (1), a lightness removal tower (3), a tail gas reflux pipe (5), a distillation tower (7), and a product tank (8), characterized in that: The purchased crude cresol tank (1) and the crude phenol tank (2) are both fixed on the ground. A delivery pump is installed on one side of the purchased crude cresol tank (1) and the crude phenol tank (2). The delivery pump is used to deliver the purchased crude cresol and crude phenol to the light-removal tower (3). The light-removal tower (3) is fixed on the ground. A condenser (4) is installed above the light-removal tower (3). The condenser (4) refluxes the condensed material. A tail gas reflux pipe (5) is installed above the light-removal tower (3). The tail gas reflux pipe (5) The de-lightening tower (3) extends downward to the bottom of the de-lightening tower (3). The de-lightening tower (3) is connected to a distillation tower (7) via a conveying pipe. The distillation tower (7) is fixed on the ground. A condenser (4) is provided above the distillation tower (7). The discharge pipe of the distillation tower (7) is connected to a product tank (8). The product tank (8) is fixed on the ground. The crude phenol tank (2) and the purchased crude cresol tank (1) have the same structure. A motor (6) is installed above the purchased crude cresol tank (1). The motor (6) is powered by the mains.

2. A cresol refining device according to claim 1, characterized in that: A plurality of tower plates (9) are installed in the light-removal tower (3), and the tower plates (9) are distributed at equal distances along the height direction of the light-removal tower (3).

3. A cresol refining device according to claim 2, characterized in that: The tower plate (9) is provided with an integrally formed upper baffle (10), the upper baffle (10) is provided with a plurality of notches (11), the tower plate (9) is provided with a plurality of liquid leakage holes (12), the bottom of the tower plate (9) is provided with a spring (13) mounted with screws, the bottom of the spring (13) is provided with a limit block (14), and the limit block (14) is connected to the inner wall of the lightness removal tower (3).

4. A cresol refining device according to claim 1, characterized in that: The purchased crude cresol tank (1) is provided with a stirring rod (15), and the stirring rod (15) is driven by a motor.

Citation Information

Cited By

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