Modified lignin and rubber mixing device

Abstract

The utility model discloses a modified lignin and rubber mixing device, and belongs to the technical field of rubber mixing. The device comprises a mixing tank and a stirring component arranged in the mixing tank, wherein an input mixing component, a circulating jet component and an output component are arranged on the mixing tank; modified lignin and rubber latex enter the mixing tank after being input into the mixing assembly to be preliminarily mixed, the stirring assembly is started to stir mixed liquid in the mixing tank, the mixed liquid in the mixing tank is subjected to circulating jet flow intensified mixing through the circulating jet flow assembly, and the mixed liquid obtained after mixing is completed is discharged through the output assembly. By means of the input mixing assembly, the stirring assembly and the circulating jet flow assembly, multiple times of high-efficiency stirring and mixing are achieved, large molecules such as modified lignin can be fully and evenly mixed with rubber latex, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber mixing, and in particular relates to a modified lignin and rubber mixing device. Background Art

[0002] Lignin is a class of complex organic polymers that form important structural materials in the support tissues of vascular plants and some algae. Lignins are particularly important in the formation of cell walls, especially in wood and bark, as they impart rigidity and are less susceptible to decay. Lignin and rubber fusion is a technology that combines lignin and rubber materials to improve the performance and functionality of the material. This fusion can increase the material's strength, wear resistance, and weathering resistance, while also improving the material's chemical resistance and processability.

[0003] Existing devices for rubber mixing, such as a white carbon black and rubber mixing device disclosed in Chinese utility model patent with application number 202222635162.5, include a white carbon black delivery pipeline, a rubber latex delivery pipeline and a mixing pipeline, wherein the white carbon black delivery pipeline and the rubber latex delivery pipeline are both located above the mixing pipeline and are connected to the mixing pipeline, the mixing pipeline includes a vertical pipeline, a first angle is formed between the white carbon black delivery pipeline and the vertical pipeline, a second angle is formed between the rubber latex delivery pipeline and the vertical pipeline, and a control valve assembly is installed on the vertical pipeline to control the flow of the mixed liquid formed by the white carbon black and the rubber latex.

[0004] Since the molecules of lignin are relatively large, when the modified lignin and rubber are mixed using the above device, the modified lignin and rubber are not mixed uniformly, and the working efficiency is low. Utility Model Content

[0005] In view of the problems of uneven mixing and low working efficiency of the existing rubber mixing device mentioned in the background technology, the utility model proposes a modified lignin and rubber mixing device, which can fully and evenly mix larger molecules such as modified lignin with rubber latex to improve working efficiency.

[0006] Technical solution: In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0007] A modified lignin and rubber mixing device comprises a mixing tank, a stirring assembly arranged in the mixing tank, and an input assembly, a circulating jet assembly and an output assembly are arranged on the mixing tank; the modified lignin and rubber latex are preliminarily mixed through the input assembly and then enter the mixing tank, the stirring assembly is started to stir the mixed liquid in the mixing tank, the mixed liquid in the mixing tank is subjected to jet-enhanced mixing through the circulating jet assembly, and the mixed liquid is discharged through the output assembly after mixing.

[0008] Preferably, the input assembly comprises a modified lignin input pipe, a rubber latex input pipe and a mixing pipe; the modified lignin input pipe and the rubber latex input pipe are both located above the mixing pipe and are connected to the mixing pipe.

[0009] Preferably, a plurality of baffles are provided in the mixing pipe.

[0010] Preferably, the stirring assembly comprises a stirring shaft and a driving motor; one end of the stirring shaft passes through the mixing tank and is connected to an output end of the driving motor, and a plurality of stirring blades are provided on the stirring shaft.

[0011] Preferably, the circulating jet assembly includes a jet pump, a jet pump input pipe, a jet pump output pipe and an ejector; the jet pump input pipe and the jet pump output pipe are respectively connected to both ends of the jet pump; one end of the jet pump input pipe is arranged through the lower end of the mixing tank, and one end of the jet pump output pipe is arranged through the upper end of the mixing tank; the ejector is connected to the jet pump output pipe.

[0012] Preferably, the output component comprises a discharge port, on which a discharge control valve is provided.

[0013] Preferably, a support column is provided at the lower end of the mixing tank.

[0014] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0015] The mixing device of the utility model is provided with a stirring component in a mixing tank, and an input mixing component, a circulating jet component and an output component are provided on the mixing tank; the modified lignin and rubber latex are preliminarily mixed through the input mixing component and then enter the mixing tank, the stirring component is started to stir the mixed liquid in the mixing tank, the circulating jet component is used to perform circulating jet enhanced mixing on the mixed liquid in the mixing tank, and the mixed liquid after mixing is discharged through the output component, thereby realizing multiple high-efficiency stirring and mixing, being able to fully and evenly mix larger molecules such as the modified lignin with the rubber latex, and improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the modified lignin and rubber mixing device of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the modified lignin and rubber mixing device of the utility model. DETAILED DESCRIPTION

[0018] The present invention will be further explained below in conjunction with specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0019] like Figure 1-2 As shown, the modified lignin and rubber mixing device provided by the utility model mainly comprises a mixing tank 1, a stirring assembly 2 arranged in the mixing tank 1, an input assembly 3 arranged on the mixing tank, a circulating jet assembly 4 and an output assembly.

[0020] like Figure 2 As shown, the input component 3 includes a modified lignin input pipe 31, a rubber latex input pipe 32 and a mixing pipe 33; the modified lignin input pipe 31 and the rubber latex input pipe 32 are both located above the mixing pipe 33 and are connected to the mixing pipe 33; the other end of the mixing pipe 33 is connected to the mixing tank 1; a plurality of inverted cone-shaped baffles 34 are provided in the mixing pipe 33.

[0021] In this embodiment, flow control valves are provided on the modified lignin input pipe 31 and the rubber latex input pipe 32 to facilitate controlling the input speed of the modified lignin and the rubber latex.

[0022] The flow control valves on the modified lignin input pipe 31 and the rubber latex input pipe 32 are opened, and the modified lignin and rubber latex meet at the inlet of the mixing pipe 33 and flow into the mixing pipe 33. The mixed liquid of the modified lignin and rubber latex is preliminarily mixed through a plurality of baffles 34, and the flow of the mixed liquid is controlled at the same time, and the mixed liquid preliminarily mixed through the mixing pipe 33 is input into the mixing tank 1.

[0023] like Figure 2 As shown, the stirring assembly 2 includes a stirring shaft 21 and a driving motor 22; a plurality of stirring blades 23 are provided on the stirring shaft 21, one end of the stirring shaft 21 passes through the mixing tank 1 and is connected to the output end of the driving motor 22, and the stirring shaft 21 and the stirring blades 23 are driven to rotate by starting the driving motor 22 so as to stir and mix the mixed liquid in the mixing tank 1.

[0024] In this embodiment, the mixing tank 1 and the stirring shaft 21 are arranged horizontally.

[0025] like Figure 2As shown, the circulating jet assembly 4 includes a jet pump 41, a jet pump input pipe 42, a jet pump output pipe 43, and an ejector 44; the jet pump input pipe 42 and the jet pump output pipe 43 are respectively connected to both ends of the jet pump 41; one end of the jet pump input pipe 42 is penetrated and arranged at the lower end of the mixing tank 1; one end of the jet pump output pipe 43 is penetrated and arranged at the upper end of the mixing tank 1, and is in the same direction as the mixing pipe 33; an ejector 44 is provided on the jet pump output pipe 43, and the liquid inlet end and the liquid outlet end of the ejector 44 are both connected to the jet pump output pipe 43.

[0026] In this embodiment, a flow meter is provided on the jet pump output pipe 43, and the flow rate of the jet pump 41 is monitored by the flow meter; a flow control valve is provided on the ejector 44, and the liquid flow rate in the ejector 44 is controlled by the flow control valve.

[0027] The mixed liquid enters the mixing tank 1, and after being stirred and mixed by the stirring component 2, the jet pump 41 is started, and the mixed liquid in the mixing tank 1 is transported to the ejector 44 through the jet pump 41 for jet-enhanced mixing, so that the modified lignin and rubber latex are circulated and mixed again.

[0028] like Figure 2 As shown, an output assembly and a support column 6 are provided at the lower end of the mixing tank 1 ; the output assembly includes a discharge port 5 , and a discharge control valve 51 is provided on the discharge port 5 .

[0029] In this embodiment, there are multiple support columns 6 , and the mixing tank 1 is stabilized and supported by the support columns 6 .

[0030] The working principle or use process of the utility model is as follows: first, the flow control valves on the modified lignin input pipe 31 and the rubber latex input pipe 32 are opened, and the modified lignin and rubber latex meet at the inlet of the mixing pipe 33 and flow into the mixing pipe 33. The mixed liquid of the modified lignin and rubber latex is preliminarily mixed through a plurality of baffles 34, and the flow of the mixed liquid is controlled at the same time, and the mixed liquid preliminarily mixed through the mixing pipe 33 is input into the mixing tank 1.

[0031] Then, the driving motor 22 is started to drive the stirring shaft 21 and the stirring blades 23 to rotate, so as to stir and mix the mixed liquid in the mixing tank 1; after the mixed liquid is stirred and mixed by the stirring component 2, the jet pump 41 is started, and the mixed liquid in the mixing tank 1 is transported to the ejector 44 through the jet pump 41 for jet-enhanced mixing, so that the modified lignin and rubber latex are circulated and mixed again.

[0032] After the mixing is completed, the uniformly mixed mixture of modified lignin and rubber latex is finally discharged through the discharge port 5 at the bottom of the mixing tank 1 .

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A modified lignin and rubber mixing device, comprising a mixing tank (1) and a stirring assembly (2) arranged in the mixing tank (1), characterized in that: An input component (3), a circulating jet component (4) and an output component are provided on the mixing tank (1); the modified lignin and rubber latex are preliminarily mixed through the input component (3) and then enter the mixing tank (1); the stirring component (2) is started to stir the mixed liquid in the mixing tank (1); the circulating jet component (4) performs jet-enhanced mixing on the mixed liquid in the mixing tank (1); and the mixed liquid is discharged through the output component after the mixing is completed.

2. The modified lignin and rubber mixing device according to claim 1, characterized in that: The input assembly (3) comprises a modified lignin input pipe (31), a rubber latex input pipe (32) and a mixing pipe (33); the modified lignin input pipe (31) and the rubber latex input pipe (32) are both located above the mixing pipe (33) and are connected to the mixing pipe (33).

3. The modified lignin and rubber mixing device according to claim 2, characterized in that: A plurality of baffles (34) are arranged in the mixing pipe (33).

4. The modified lignin and rubber mixing device according to claim 1, characterized in that: The stirring assembly (2) comprises a stirring shaft (21) and a driving motor (22); one end of the stirring shaft (21) passes through the mixing tank (1) and is connected to the output end of the driving motor (22), and a plurality of stirring blades (23) are provided on the stirring shaft (21).

5. The modified lignin and rubber mixing device according to claim 1, characterized in that: The circulating jet assembly (4) comprises a jet pump (41), a jet pump input pipe (42), a jet pump output pipe (43) and an ejector (44); the jet pump input pipe (42) and the jet pump output pipe (43) are respectively connected to the two ends of the jet pump (41); one end of the jet pump input pipe (42) is arranged through the lower end of the mixing tank (1), and one end of the jet pump output pipe (43) is arranged through the upper end of the mixing tank (1); the ejector (44) is connected to the jet pump output pipe (43).

6. The modified lignin and rubber mixing device according to claim 1, characterized in that: The output assembly comprises a discharge port (5), and a discharge control valve (51) is provided on the discharge port (5).

7. The modified lignin and rubber mixing device according to claim 1, characterized in that: A support column (6) is provided at the lower end of the mixing tank (1).

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