Production kettle for preparing dioctyl phthalate

By introducing heating components and cleaning components into the dioctyl ester preparation device, the temperature and cleaning efficiency of alkali liquid are ensured, and the problems of low neutralization reaction efficiency and poor cleaning effect are solved, and the product quality and the convenience of use of the device are improved.

CN222287311UActive Publication Date: 2025-01-03JINING ZHENGXIN CHEM CO LTD
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Patent Information

Application Number
CN202421067583.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-01-03
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The existing dioctyl ester preparation device affects the reaction efficiency when the alkaline liquid is low during neutralization reaction, and the distillation efficiency is low when the amount of water is too large during the cleaning process, and the cleaning effect of the inner wall of the shell is poor when the water is too large.

Method used

A production kettle for preparation of dioctyl ester including heating assembly, stirring assembly and cleaning assembly is designed. The temperature of the lye is ensured through the heating chamber and alkaline liquid injection pipe, stirring and cleaning are achieved using a rotor and sprocket transmission system, and spray head is used. And water pumps improve cleaning efficiency.

Benefits of technology

The efficiency and product quality of the neutralization reaction are improved, the cleaning efficiency and effect of the device are enhanced, and the subsequent use is facilitated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a production kettle for preparing dioctyl phthalate, which belongs to the field of chemical product processing, and comprises a shell, a plurality of upright posts are fixedly connected to the lower end surface of the shell, a heating component is arranged on the shell, a cleaning component is arranged on the shell, the lower end surface of the shell is communicated with a discharge pipe, an electromagnetic valve is arranged on the discharge pipe, and the electromagnetic valve is connected with the upright posts. The upper end face of the shell is communicated with a material injection pipe, a rotating cavity is formed in the shell, two first chain wheels are rotationally connected into the rotating cavity, the two first chain wheels are in transmission through a chain, and a rotating machine is arranged on the shell. According to the utility model, the temperature of alkali liquor added into the device reaches a specified temperature, so that the neutralization reaction in the device is stably carried out, the product quality is improved, the inner wall of the shell is fully flushed, the cleaning efficiency of the device is improved, the cleaning effect is better, and the device can be conveniently used next time by a user.
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Description

Technical Field

[0001] The utility model relates to the technical field of chemical product processing, in particular to a production kettle for preparing dioctyl ester. Background Art

[0002] Dioctyl phthalate, also known as dioctyl phthalate, is a general-purpose plasticizer. It is mainly used in the processing of polyvinyl chloride, and can also be used in the processing of polymers such as chemical resins, acetate resins, ABS resins and rubber. It can also be used in making paints, dyes, dispersants, etc. DOP plasticized PVC can be used to make artificial leather, agricultural films, packaging materials, and cables.

[0003] In the existing dioctyl phthalate preparation device, when neutralizing the esterified material after dealcoholization, when adding alkali solution, the temperature of the alkali solution is low, which affects the neutralization reaction inside the neutralization kettle and reduces the reaction efficiency. After the preparation of the product of the device is completed, water is directly injected into the device for flushing when the device is cleaned. The water discharged from the cleaning needs to be distilled to extract the remaining dioctyl phthalate. When the amount of cleaning water is too large, the distillation efficiency is low. When the amount of cleaning water is small, the cleaning effect of the inner wall of the shell is poor. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a production kettle for preparing dioctyl ester.

[0005] The embodiment of the utility model provides a production kettle for preparing dioctyl ester, comprising:

[0006] A shell, a plurality of columns are fixedly connected to the lower end surface of the shell, a heating component is provided on the shell, a cleaning component is provided on the shell, a discharge pipe is connected to the lower end surface of the shell, a solenoid valve is provided on the discharge pipe, a filling pipe is connected to the upper end surface of the shell, a rotating chamber is provided on the shell, two first sprockets are rotatably connected in the rotating chamber, a chain is driven between the two first sprockets, a rotating machine is provided on the shell, an output end of the rotating machine rotates through the shell and is fixedly connected to one of the first sprockets, and a stirring component is provided on the shell;

[0007] Cleaning component; the cleaning component includes a water collecting tank fixedly connected to the upper end surface of the shell, a water pump is fixedly connected to one side wall of the water collecting tank, the water outlet of the water pump is connected to a connecting pipe, a water pipe is rotatably arranged on the connecting pipe, the water pipe rotates through the shell and is connected to a nozzle, the nozzle is arranged in the shell, and a second sprocket is fixedly connected to the side wall of the water pipe, and the second sprocket is arranged on a chain.

[0008] Furthermore, the stirring assembly includes two rotating rods rotatably connected to the lower inner wall of the shell, the ends of the two rotating rods away from the column rotate and penetrate the shell, the two rotating rods are respectively fixedly connected to two first sprockets, and the side walls of the two rotating rods are fixedly connected with multiple stirring rollers.

[0009] Furthermore, the heating component comprises a heating chamber arranged on the shell, a plurality of heating rods are arranged in the heating chamber, and an alkali liquid injection pipe penetrates through the side wall of the shell, and the alkali liquid injection pipe is arranged in the heating chamber.

[0010] Furthermore, a protective shell is fixedly connected to the upper end surface of the shell, and the protective shell and the rotating machine are matched.

[0011] Furthermore, end surfaces of the plurality of columns away from the shell are fixedly connected with pads, and lower end surfaces of the plurality of pads are provided with anti-slip patterns.

[0012] Furthermore, the inner wall at the lower side of the shell is arranged in a cone shape.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The user adds the raw materials into the device, and then the rotating machine starts to work. The output end of the rotating machine drives the first sprocket to rotate, so that the stirring roller rotates to achieve full mixing of the raw materials in the shell. Then the user adds alkaline solution into the shell through the alkali solution injection pipe. At this time, the heating chamber will heat the alkaline solution through the alkali solution injection pipe to ensure that the temperature of the alkali solution added to the device reaches the specified temperature, so that the neutralization reaction in the device proceeds stably, thereby improving the quality of the product.

[0015] 2. After the preparation is completed, the shell needs to be cleaned. At this time, the user's water pump starts working, so that the nozzle discharges the water in the water collecting tank. Then the rotary machine starts working, so that the nozzle starts to rotate, so as to fully flush the inner wall of the shell, thereby improving the cleaning efficiency of the device and achieving better cleaning effect, which is convenient for the user to use the device next time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural stereoscopic schematic diagram of a production kettle for preparing dioctyl ester described in an embodiment of the utility model.

[0017] Figure 2 It is a three-dimensional side view of the structure of a production kettle for preparing dioctyl ester described in an embodiment of the utility model.

[0018] Figure 3 It is a three-dimensional cross-sectional view of a production kettle for preparing dioctyl ester described in an embodiment of the utility model.

[0019] In the above drawings: 1 shell, 2 column, 3 heating chamber, 4 water collecting tank, 5 water pump, 6 water pipe, 7 nozzle, 8 rotating chamber, 9 first sprocket, 10 chain, 11 rotating rod, 12 stirring roller, 13 alkali solution injection pipe, 14 protective shell, 15 cushion block, 16 rotating machine. DETAILED DESCRIPTION

[0020] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1-Figure 3 As shown, the embodiment of the utility model provides a production kettle for preparing dioctyl ester, comprising:

[0022] Shell 1, the inner wall of the lower side of the shell 1 is set in a conical shape, which is convenient for the product to be discharged from the shell 1, the lower end face of the shell 1 is fixedly connected with multiple columns 2, and the end faces of multiple columns 2 away from the shell 1 are fixedly connected with pads 15, and the lower end faces of multiple pads 15 are all provided with anti-slip patterns, which improves the stability of the device. A heating component is provided on the shell 1, and a cleaning component is provided on the shell 1. The lower end face of the shell 1 is connected with a discharge pipe, and an electromagnetic valve is provided on the discharge pipe. The electric measuring valve is a prior art and can control the discharge of the product in the shell 1, which will not be repeated here. The upper end face of the shell 1 is connected with a material injection pipe, and a rotating chamber 8 is provided on the shell 1. Two first sprockets 9 are rotatably connected in the rotating chamber 8, and the two first sprockets 9 are driven by a chain 10;

[0023] A rotating machine 16 is arranged on the shell 1, and a protective shell 14 is fixedly connected to the upper end surface of the shell 1. The protective shell 14 and the rotating machine 16 are matched. The protective shell 14 can protect the rotating machine 16 to prevent the rotating machine 16 from being damaged by external interference. The output end of the rotating machine 16 rotates through the shell 1 and is fixedly connected to one of the first sprockets 9. The shell 1 is provided with a stirring component; a cleaning component; the cleaning component includes a water collecting tank 4 fixedly connected to the upper end surface of the shell 1, a water pump 5 is fixedly connected to one side wall of the water collecting tank 4, and the water outlet end of the water pump 5 is connected to a connecting pipe, a water pipe 6 is rotatably arranged on the connecting pipe, the water pipe 6 rotates through the shell 1 and is connected to a nozzle 7, the nozzle 7 is arranged in the shell 1, and the side wall of the water pipe 6 is fixedly connected to a second sprocket, and the second sprocket is arranged on the chain 10;

[0024] The stirring assembly includes two rotating rods 11 rotatably connected to the inner wall of the lower side of the shell 1, and the ends of the two rotating rods 11 away from the column 2 are rotated and penetrated through the shell 1. The two rotating rods 11 are respectively fixedly connected to the two first sprockets 9, and the side walls of the two rotating rods 11 are fixedly connected with multiple stirring rollers 12. The heating assembly includes a heating chamber 3 arranged on the shell 1, and multiple heating rods are arranged in the heating chamber 3. The heating rods are existing technology and can heat objects. They are not repeated here. An alkali liquid injection pipe 13 penetrates the side wall of the shell 1, and the alkali liquid injection pipe 13 is arranged in the heating chamber 3.

[0025] The detailed working process of the utility model is as follows:

[0026] The user places the device at the designated workplace, first adds the raw material into the shell 1 through the injection pipe on the shell 1, then the heating rod and the rotating machine 16 start working, the heating rod heats the raw material in the shell 1, and the output end of the rotating machine 16 drives one of the first sprockets 9 to rotate, and then under the transmission of the chain 10, the other first sprocket 9 will also rotate, the two first sprockets 9 drive the two rotating rods 11 to rotate, and the stirring roller 12 on the rotating rod 11 rotates in the shell 1 to achieve full mixing of the raw materials in the shell 1. After a period of reaction, the heating rod stops working. When the temperature in the shell 1 drops to a suitable temperature, the user then adds alkaline solution into the shell 1 through the alkali solution injection pipe 13, and the heating rod starts working at the same time. At this time, the heating chamber 3 will heat the alkaline solution through the alkali solution injection pipe 13 to ensure that the temperature of the alkali solution added to the device reaches the specified temperature, so that the neutralization reaction in the device proceeds stably, and the quality of the product is improved. After the preparation is completed, the electromagnetic valve on the discharge pipe is opened, and the product is discharged through the discharge pipe for the next step of processing. After that, the user needs to clean the shell 1. At this time, the user's water pump 5 starts to work, so that the nozzle 7 discharges the water in the water collecting tank 4, and then the rotating machine 16 starts to work. Under the transmission of the chain 10, the second sprocket is rotated to realize the rotation of the water pipe 6. The nozzle 7 connected to the water pipe 6 starts to rotate in the shell 1, so as to fully flush the inner wall of the shell 1, thereby improving the cleaning efficiency of the device and achieving a better cleaning effect, which is convenient for the user to use the device next time.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A production kettle for preparing dioctyl ester, characterized in that: include: A shell (1), wherein a plurality of columns (2) are fixedly connected to the lower end surface of the shell (1), a heating component is provided on the shell (1), a cleaning component is provided on the shell (1), a discharge pipe is connected to the lower end surface of the shell (1), a solenoid valve is provided on the discharge pipe, a filling pipe is connected to the upper end surface of the shell (1), a rotating chamber (8) is provided on the shell (1), two first sprocket wheels (9) are rotatably connected in the rotating chamber (8), and the two first sprocket wheels (9) are driven by a chain (10), a rotating machine (16) is provided on the shell (1), an output end of the rotating machine (16) rotates through the shell (1) and is fixedly connected to one of the first sprocket wheels (9), and a stirring component is provided on the shell (1); A cleaning component; the cleaning component comprises a water collecting box (4) fixedly connected to the upper end surface of a shell (1); a water pump (5) is fixedly connected to a side wall of the water collecting box (4); a water outlet of the water pump (5) is connected to a connecting pipe; a water delivery pipe (6) is rotatably mounted on the connecting pipe; the water delivery pipe (6) rotatably penetrates the shell (1) and is connected to a nozzle (7); the nozzle (7) is arranged in the shell (1); a second sprocket is fixedly connected to the side wall of the water delivery pipe (6); and the second sprocket is arranged on a chain (10).

2. The production kettle for preparing dioctyl ester according to claim 1, characterized in that: in: The stirring assembly comprises two rotating rods (11) rotatably connected to the inner wall of the lower side of the shell (1); one end of the two rotating rods (11) away from the column (2) is rotatably arranged to penetrate the shell (1); the two rotating rods (11) are respectively fixedly connected to two first sprocket wheels (9); and the side walls of the two rotating rods (11) are fixedly connected to a plurality of stirring rollers (12).

3. The production kettle for preparing dioctyl ester according to claim 1, characterized in that: in: The heating component comprises a heating chamber (3) arranged on a shell (1), a plurality of heating rods being arranged in the heating chamber (3), a lye injection pipe (13) penetrating a side wall of the shell (1), and the lye injection pipe (13) being arranged in the heating chamber (3).

4. The production kettle for preparing dioctyl ester according to claim 1, characterized in that: in: The upper end surface of the housing (1) is fixedly connected with a protective shell (14), and the protective shell (14) and the rotating machine (16) are arranged in a matching manner.

5. The production kettle for preparing dioctyl ester according to claim 1, characterized in that: in: The end surfaces of the plurality of upright posts (2) away from the housing (1) are all fixedly connected to cushion blocks (15), and the lower end surfaces of the plurality of cushion blocks (15) are all provided with anti-slip patterns.

6. The production kettle for preparing dioctyl ester according to claim 1, characterized in that: in: The lower inner wall of the shell (1) is arranged in a conical shape.