Equipment capable of continuously producing diphenylamine

Abstract

The utility model relates to the technical field of diphenylamine production, in particular to equipment capable of continuously producing diphenylamine, which comprises a heat insulation barrel, a stirring tank is fixedly connected to the upper end face of the heat insulation barrel, a cover plate is hermetically connected to the upper end face of the stirring tank, and a rotating shaft is rotatably connected to the lower end face of the cover plate. The surface of the rotating shaft is fixedly connected with a stirring rod, the upper end face of the cover plate is connected with a first feeding pipe in a sealed mode, the upper end face of the cover plate is connected with a second feeding pipe in a sealed mode, a heating sleeve is fixedly connected into the heat preservation barrel, and a heating wire is fixedly connected into the heating sleeve. The speed of mixed raw materials flowing into the heat preservation barrel is controlled through the second electromagnetic valve, meanwhile, the raw materials can be heated by starting the heating wire, a worker can adjust the heating temperature of the raw materials, the raw materials can be filtered through the filter screen during heating, impurities of the raw materials can be filtered out, and the impurity content of the raw materials is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of producing diphenylamine, in particular to a device capable of continuously producing diphenylamine. Background Art

[0002] Patent No. CN208649171U discloses a device for producing 3,4-dichloroaniline by continuous kettle reaction. The utility model has a reasonable structural design, which enables a variety of materials to react more evenly, thereby improving the reaction efficiency and the uniformity of heating.

[0003] However, in the above-mentioned existing continuous kettle reaction device for producing 3,4-dichloroaniline, 3,4-dichloronitrobenzene and methanol can be fed through two feeding pipes respectively, and after the 3,4-dichloronitrobenzene and methanol are preliminarily mixed in the feeding mixing box, the feeding speed is reduced through the spiral mixing pipe and a mixing effect is obtained in the spiral mixing pipe, and the driving motor is turned on at the same time, and the driving motor drives the first rotating wheel and the second rotating wheel to rotate, and the first rotating wheel and the second rotating wheel drive the third rotating wheel and the fourth rotating wheel to rotate through the first belt and the second belt, so that the three stirring shafts rotate at the same time, driving the three stirring plates to stir. Due to the lack of a filtering structure for the raw materials after the reaction, the device is difficult to filter the raw materials and reduce the impurity content in the raw materials.

[0004] In order to solve the above problems, the utility model provides a device capable of continuously producing diphenylamine. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a device for continuously producing diphenylamine to solve the technical problem in the prior art that "3,4-dichloronitrobenzene and methanol can be fed through two feeding pipes respectively, and after 3,4-dichloronitrobenzene and methanol are preliminarily mixed in a feeding mixing box, the feeding speed is reduced through a spiral mixing pipe and a mixing effect is obtained in the spiral mixing pipe, and a driving motor is turned on at the same time, the driving motor drives the first rotating wheel and the second rotating wheel to rotate, and the first rotating wheel and the second rotating wheel drive the third rotating wheel and the fourth rotating wheel to rotate through the first belt and the second belt, so that the three stirring shafts rotate at the same time, driving the three stirring disks to stir, and the device lacks a filtering structure for the raw materials after the reaction, so it is difficult to filter the raw materials and reduce the impurity content in the raw materials."

[0006] To achieve the above objectives, the utility model is implemented through the following technical scheme: it includes a heat-insulating barrel, the upper end surface of the heat-insulating barrel is fixedly connected to a stirring tank, the upper end surface of the stirring tank is sealed with a cover plate, the lower end surface of the cover plate is rotatably connected to a rotating shaft, the surface of the rotating shaft is fixedly connected to a stirring rod, the upper end surface of the cover plate is sealed with a first feeding pipe, the upper end surface of the cover plate is sealed with a second feeding pipe, a heating sleeve is fixedly connected inside the heat-insulating barrel, a heating wire is fixedly connected inside the heating sleeve, a filter plate is fixedly connected to the inner ring of the heating sleeve, the lower end surface of the stirring tank is fixedly connected to a second solenoid valve, the lower end surface of the heat-insulating barrel is fixedly connected to a discharge pipe, and a first solenoid valve is installed at the connection between the discharge pipe and the heat-insulating barrel.

[0007] As a preferred technical solution of the utility model, a servo motor is fixedly connected to the upper end surface of the cover plate, and the output end of the servo motor passes through the lower end surface of the cover plate and is fixedly connected to the top end of the rotating shaft.

[0008] As a preferred technical solution of the utility model, the bottom end of the first feeding pipe is connected to the stirring tank, and the first feeding pipe and the cover plate are threadedly connected with bolts.

[0009] As a preferred technical solution of the utility model, the bottom end of the second feeding pipe is connected to the stirring tank, and the second feeding pipe and the cover plate are threadedly connected with bolts.

[0010] As a preferred technical solution of the utility model, the cover plate and the side of the stirring tank are fixedly connected with a fixing block, and the fixing block is internally threaded with a threaded rod.

[0011] As a preferred technical solution of the utility model, a support frame is fixedly connected to the side of the insulation barrel, and an observation window is opened on the side of the stirring tank.

[0012] The utility model provides a device for continuously producing diphenylamine, which has the following beneficial effects:

[0013] The rate at which the mixed raw materials flow into the insulation barrel is controlled by the second solenoid valve. At the same time, the heating wire can be started to heat the raw materials. The staff can adjust the heating temperature of the raw materials. During heating, the raw materials can be filtered through a filter to filter out impurities in the raw materials, thereby reducing the impurity content of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure proposed by the utility model;

[0015] Figure 2 The utility model provides a schematic diagram of the dissected structure of the stirring tank;

[0016] Figure 3The utility model provides a structural schematic diagram of a filter screen.

[0017] In the figure: 1 insulation barrel, 2 support frame, 3 stirring tank, 4 observation window, 5 cover plate, 6 fixing block, 7 servo motor, 8 first feeding pipe, 9 second feeding pipe, 10 threaded rod, 11 rotating shaft, 12 stirring rod, 13 heating sleeve, 14 heating wire, 15 first solenoid valve, 16 discharge pipe, 17 filter screen, 18 second solenoid valve. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the utility model, rather than implying that each embodiment of the utility model must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0020] The principle and structure of the present invention are described in detail below with reference to the accompanying drawings and embodiments:

[0021] refer to Figure 1-3 , a device for continuously producing diphenylamine, comprising an insulation barrel 1, the upper end surface of the insulation barrel 1 is fixedly connected with a stirring tank 3, the upper end surface of the stirring tank 3 is sealed with a cover plate 5, the lower end surface of the cover plate 5 is rotatably connected with a rotating shaft 11, the surface of the rotating shaft 11 is fixedly connected with a stirring rod 12, the upper end surface of the cover plate 5 is sealed with a first feeding pipe 8, the upper end surface of the cover plate 5 is sealed with a second feeding pipe 9, a heating sleeve 13 is fixedly connected inside the insulation barrel 1, a heating wire 14 is fixedly connected inside the heating sleeve 13, a filter plate is fixedly connected to the inner ring of the heating sleeve 13, a second solenoid valve 18 is fixedly connected to the lower end surface of the stirring tank 3, a discharge pipe 16 is fixedly connected to the lower end surface of the insulation barrel 1, and a first solenoid valve 15 is installed at the connection between the discharge pipe 16 and the insulation barrel 1.

[0022] By setting the first solenoid valve 15, the staff can control the rate at which the raw materials enter the insulation barrel 1 through the first solenoid valve 15. The model of the first solenoid valve 15 is set to ZW-160-15, and the manufacturer is Senya Solenoid Valve.

[0023] Furthermore, a servo motor 7 is fixedly connected to the upper end surface of the cover plate 5 , and an output end of the servo motor 7 passes through the lower end surface of the cover plate 5 and is fixedly connected to the top end of the rotating shaft 11 .

[0024] By providing the servo motor 7 , the servo motor 7 can drive the stirring rod 12 to rotate via the rotating shaft 11 .

[0025] Furthermore, the bottom end of the first feeding pipe 8 is connected to the stirring tank 3 , and the first feeding pipe 8 and the cover plate 5 are threadedly connected with bolts.

[0026] Furthermore, the bottom end of the second feeding pipe 9 is connected to the stirring tank 3 , and the second feeding pipe 9 and the cover plate 5 are threadedly connected with bolts.

[0027] Furthermore, the cover plate 5 and the side surface of the mixing tank 3 are both fixedly connected with a fixing block 6, and the fixing block 6 is internally threadedly connected with a threaded rod 10.

[0028] By providing the threaded rod 10 , when the threaded rod 10 is tightened in the fixing block 6 , the cover plate 5 can be limited on the stirring tank 3 .

[0029] Furthermore, a support frame 2 is fixedly connected to the side of the heat preservation barrel 1 , and an observation window 4 is opened on the side of the stirring tank 3 .

[0030] By providing the support frame 2, the support frame 2 can improve the stability of the device during operation.

[0031] The working principle of the utility model is as follows: first, the staff can install the cover plate 5 on the stirring tank 3 by tightening the threaded rod 10 in the fixing block 6, and then install the first feeding pipe 8 and the second feeding pipe 9 on the cover plate 5 by bolts. At this time, the staff can add the raw materials for producing diphenylamine into the stirring tank 3 through the first feeding pipe 8 and the second feeding pipe 9, and then start the servo motor 7 and drive the stirring rod 12 to stir and mix the raw materials through the rotating shaft 11. When the raw materials are fully mixed, the staff can open the second solenoid valve 18 to allow the raw materials to flow into the insulation barrel 1, and the raw materials can be heated by the heating wire 14 to accelerate the reaction of the substances in the raw materials. The raw materials are filtered through the filter screen 17 to reduce the impurity content in the raw materials. When the raw material reaction is completed, the staff can open the first solenoid valve 15 to allow the raw materials to flow into the next processing equipment through the discharge pipe 16 for subsequent processing;

[0032] Compared with the prior art, the raw material can be filtered through the filter screen 17, and the impurities in the raw material can be filtered, thereby reducing the impurity content of the raw material.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A device for continuously producing diphenylamine, comprising a heat-insulating barrel (1), characterized in that: The upper end surface of the heat preservation barrel (1) is fixedly connected to a stirring tank (3), the upper end surface of the stirring tank (3) is sealedly connected to a cover plate (5), the lower end surface of the cover plate (5) is rotatably connected to a rotating shaft (11), the surface of the rotating shaft (11) is fixedly connected to a stirring rod (12), the upper end surface of the cover plate (5) is sealedly connected to a first feeding pipe (8), the upper end surface of the cover plate (5) is sealedly connected to a second feeding pipe (9), the heat preservation barrel (1) is fixedly connected to a heating sleeve (13), the heating sleeve (13) is fixedly connected to a heating wire (14), the inner ring of the heating sleeve (13) is fixedly connected to a filter plate, the lower end surface of the stirring tank (3) is fixedly connected to a second solenoid valve (18), the lower end surface of the heat preservation barrel (1) is fixedly connected to a discharge pipe (16), and the first solenoid valve (15) is installed at the connection between the discharge pipe (16) and the heat preservation barrel (1).

2. The device for continuously producing diphenylamine according to claim 1, characterized in that: The upper end surface of the cover plate (5) is fixedly connected to a servo motor (7), and the output end of the servo motor (7) passes through the lower end surface of the cover plate (5) and is fixedly connected to the top end of the rotating shaft (11).

3. The device for continuously producing diphenylamine according to claim 1, characterized in that: The bottom end of the first feeding pipe (8) is connected to the inside of the stirring tank (3), and the first feeding pipe (8) and the cover plate (5) are threadedly connected with bolts.

4. The device for continuously producing diphenylamine according to claim 1, characterized in that: The bottom end of the second feeding pipe (9) is connected to the inside of the stirring tank (3), and the second feeding pipe (9) and the cover plate (5) are threadedly connected with bolts.

5. The device for continuously producing diphenylamine according to claim 1, characterized in that: The cover plate (5) and the side surface of the stirring tank (3) are both fixedly connected with a fixing block (6), and the fixing block (6) is internally threadedly connected with a threaded rod (10).

6. The device for continuously producing diphenylamine according to claim 1, characterized in that: A support frame (2) is fixedly connected to the side of the heat-insulating barrel (1), and an observation window (4) is provided on the side of the stirring tank (3).

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