Pipeline type continuous modification device for white carbon black
Through the continuous modification device of white carbon black pipe type, the problem of low stacking density of white carbon black is solved. By quantitatively adding modifiers and temperature control, the modification effect is improved, agglomeration is prevented, and efficient modification is achieved.
Patent Information
- Application Number
- CN202422042469.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-22
AI Technical Summary
The low stacking density of white carbon black leads to an excessive difference in volume ratio with the modifier, affecting the modification effect, and easily causing accumulation, which is difficult to effectively solve in the prior art.
The continuous modification device of white carbon black pipe is adopted to transport coarse powder white carbon black through the material conveying pipeline, and a modifier is added during the conveying process. The metering pump is used to achieve quantitative and fixed speed addition, the modifier is atomized and sprayed in, and the modified white carbon black is dispersed through the powder depolymerizer. The modified white carbon black temperature is controlled by combining the modifier and the white carbon black heating sleeve to control the temperature of the modifier and the white carbon black temperature to improve the modification effect.
It improves the modification effect, shortens the modification time, prevents the agglomeration of white carbon black, ensures effective adsorption of the modifier, and realizes a variety of additions to the modifier.
Smart Images
Figure CN223082788U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of white carbon black modification, and particularly relates to a pipeline type continuous modification device for white carbon black. Background Technique
[0002] White carbon black, also known as hydrated silicon dioxide, is a white amorphous fine powder, mainly used in rubber, silicone rubber, and tires. Most domestic manufacturers use the traditional precipitation method for preparation, using sodium silicate solution and sulfuric acid as raw materials, adjusting the pH value at a certain temperature to obtain silicon dioxide precipitation, and then filtering and washing through a filter press to remove sodium sulfate and impurities, and then drying to obtain silicon dioxide products.
[0003] White carbon black is a porous material. To make the precipitated white carbon black have good processing performance, a modifier is generally used to chemically modify the white carbon black. Dry modification is one of the commonly used industrial production methods for white carbon black modification. Generally, it means using an organic compound as a modifier to react the white carbon black and the organic modifier at high temperature in a reactor for a certain time to achieve the modification purpose.
[0004] Currently, during the modification of white carbon black, due to the low bulk density of white carbon black, the volume ratio gap between white carbon black and the modifier is too large, and it is easy to cause the accumulation of white carbon black, affecting the modification effect. Content of the Utility Model
[0005] The purpose of the utility model is to provide a pipeline type continuous modification device for white carbon black to solve the problems raised in the above background technique. A pipeline type continuous modification device for white carbon black provided by the utility model has the characteristics of good modification effect and short modification time.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A pipeline type continuous modification device for white carbon black includes a material conveying pipeline, a fine powder bin, and a coarse powder bin. Among them, the coarse powder bin is connected to one end of the material conveying pipeline through a coarse powder pipeline. An air compressor is connected to the end of the material conveying pipeline where it is connected to the coarse powder pipeline. A modifier injector is installed on the material conveying pipeline. A corresponding powder depolymerizer is provided at the rear end of the modifier injector. The other end of the material conveying pipeline is connected to a grinding device. The discharge end of the grinding device is connected to the fine powder bin through a fine powder pipeline. The air compressor is signal-connected to a PLC controller.
[0007] In order to achieve the quantitative and constant-speed addition of the modifier and make the modifier be atomized and sprayed in to improve the modification effect, further, the modifier injector includes a metering pump. The metering pump is signal-connected to the PLC controller. The output end of the metering pump is connected to a modifier pipeline. The other end of the modifier pipeline is connected to a nozzle located inside the material conveying pipeline.
[0008] In order to control the modifier at 50 - 60 °C to ensure the modification effect, further, a modifier heating sleeve is sleeved outside the modifier pipeline, and the modifier heating sleeve is signal - connected to the PLC controller. The heating temperature of the modifier heating sleeve is 50 - 60 °C.
[0009] In order to heat the coarse - powder silica white to 60 - 80 °C to remove part of the bound water, make the coarse - powder silica white more dispersed, reduce agglomeration, and facilitate the subsequent adsorption of the modifier, further, a silica white heating sleeve is sleeved outside the coarse - powder pipeline, and the silica white heating sleeve is signal - connected to the PLC controller. The heating temperature of the silica white heating sleeve is 60 - 80 °C.
[0010] In order to disperse the modified coarse - powder silica white and prevent the coarse - powder silica white from agglomerating again, further, the powder depolymerizer includes a motor and a depolymerizer. Among them, the motor is installed outside the material conveying pipeline, the depolymerizer is installed inside the material conveying pipeline, and the output end of the motor is connected to the input end of the depolymerizer.
[0011] In order to facilitate the addition of multiple modifiers, further, several modifier injectors are provided.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] 1. The present utility model conveys the coarse - powder silica white through the material conveying pipeline and adds the modifier during the conveying stage of the coarse - powder silica white to achieve the modification of the coarse - powder silica white, solves the problem that due to the low bulk density of silica white, the volume ratio gap between silica white and the modifier is too large, improves the modification effect, and also shortens the modification time;
[0014] 2. The present utility model sets a powder grinding device at the end of the material conveying pipeline to achieve the grinding of the modified coarse - powder silica white;
[0015] 3. The present utility model realizes the quantitative and constant - speed addition of the modifier through a metering pump, and makes the modifier atomize and spray in through a nozzle, improving the modification effect;
[0016] 4. The present utility model uses a powder depolymerizer to disperse the modified coarse - powder silica white and prevent the coarse - powder silica white from agglomerating again;
[0017] 5. A modifier heating sleeve is sleeved outside the modifier pipeline of the present utility model to control the modifier at 50 - 60 °C to ensure the modification effect;
[0018] 6. A silica white heating sleeve is sleeved outside the coarse - powder pipeline of the present utility model to heat the coarse - powder silica white to 60 - 80 °C, remove part of the bound water, make the coarse - powder silica white more dispersed, reduce agglomeration, and facilitate the subsequent adsorption of the modifier;
[0019] 7. The present utility model is provided with several modifier injectors, and the powder depolymerizer is correspondingly arranged, which is convenient for adding various modifiers. Description of the Drawings
[0020] Figure 1 It is a schematic structural diagram of the present utility model;
[0021] Figure 2 It is a schematic structural diagram of the modifier injector of the present utility model;
[0022] Figure 3 It is a schematic structural diagram of the powder depolymerizer of the present utility model;
[0023] In the figure: 1. Air compressor; 2. Material conveying pipeline; 3. Modifier injector; 31. Metering pump; 32. Modifier pipeline; 33. Modifier heating sleeve; 34. Nozzle; 4. Powder depolymerizer; 41. Motor; 42. Depolymerizer; 5. Grinding device; 6. Fine powder pipeline; 7. Fine powder silo; 8. Silica heating sleeve; 9. Coarse powder silo; 10. Coarse powder pipeline. Detailed Embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0025] Embodiment 1
[0026] Please refer to Figures 1-3 , the present utility model provides the following technical solutions: A pipeline type continuous modification device for silica, including a material conveying pipeline 2, a fine powder silo 7 and a coarse powder silo 9. Among them, the coarse powder silo 9 is connected to one end of the material conveying pipeline 2 through a coarse powder pipeline 10. The coarse powder silo 9 is used to store unmodified coarse powder silica. One end of the material conveying pipeline 2 connected to the coarse powder pipeline 10 is connected with an air compressor 1. Compressed air is input into the material conveying pipeline 2 through the air compressor 1 to realize the conveying of materials. A modifier injector 3 is installed on the material conveying pipeline 2. A corresponding powder depolymerizer 4 is provided at the rear end of the modifier injector 3. The other end of the material conveying pipeline 2 is connected to a grinding device 5. The discharge end of the grinding device 5 is connected to the fine powder silo 7 through a fine powder pipeline 6. The type selection of the grinding device 5 can be carried out according to the actual situation, including mechanical mills, disk mills, fluidized beds, etc. The corresponding model is selected according to the requirements of the product particle size. The air compressor 1 and the grinding device 5 are respectively connected to the PLC controller in a signal manner.
[0027] By adopting the above technical solution, the utility model conveys the coarse powder silica white through the material conveying pipeline 2, and adds a modifier during the conveying stage of the coarse powder silica white to realize the modification of the coarse powder silica white, solves the problem that the volume ratio gap between the silica white and the modifier is too large due to the low bulk density of the silica white, improves the modification effect, and also shortens the modification time; the utility model sets a grinding device 5 at the end of the material conveying pipeline 2 to realize the grinding of the modified coarse powder silica white.
[0028] Specifically, the modifier injector 3 includes a metering pump 31, the metering pump 31 is signal-connected to the PLC controller, the input end of the metering pump 31 is connected to the modifier storage tank through a pipeline, a modifier pipeline 32 is connected to the output end of the metering pump 31, and the other end of the modifier pipeline 32 is connected to a nozzle 34 located inside the material conveying pipeline 2.
[0029] By adopting the above technical solution, the quantitative and constant-speed addition of the modifier is realized through the metering pump 31, and the modifier is atomized and sprayed through the nozzle 34, improving the modification effect.
[0030] Specifically, the powder depolymerizer 4 includes a motor 41 and a depolymerizer 42. Among them, the motor 41 is installed outside the material conveying pipeline 2, the depolymerizer 42 is installed inside the material conveying pipeline 2, the output end of the motor 41 is connected to the input end of the depolymerizer 42, and the shape of the rotating blade of the depolymerizer 42 can be selected according to the material conditions, including but not limited to one of cross, star or non-shaped, and the motor 41 is signal-connected to the PLC controller.
[0031] By adopting the above technical solution, the modified coarse powder silica white is dispersed by the powder depolymerizer 4 to prevent the coarse powder silica white from agglomerating again.
[0032] Embodiment 2
[0033] The difference between this embodiment and Embodiment 1 is: Specifically, an external modifier heating sleeve 33 is sleeved on the outside of the modifier pipeline 32, the modifier heating sleeve 33 adopts an electric heating structure, and the modifier heating sleeve 33 is signal-connected to the PLC controller; the heating temperature of the modifier heating sleeve 33 is 50 - 60 °C.
[0034] By adopting the above technical solution, the modifier is controlled at 50 - 60 °C to ensure the modification effect.
[0035] Embodiment 3
[0036] The difference between this embodiment and Embodiment 1 is: Specifically, an external silica white heating sleeve 8 is sleeved on the outside of the coarse powder pipeline 10, the silica white heating sleeve 8 adopts an electric heating structure, and the silica white heating sleeve 8 is signal-connected to the PLC controller; the heating temperature of the silica white heating sleeve 8 is 60 - 80 °C.
[0037] By adopting the above technical solution, the coarse powder silica is heated to 60 - 80 °C to remove part of the bound water, making the coarse powder silica more dispersed, reducing agglomeration, and facilitating the adsorption of subsequent modifiers.
[0038] Example 4
[0039] The difference between this example and Example 1 is that specifically, several modifier sprayers 3 are provided, and the powder depolymerizer 4 is correspondingly arranged.
[0040] By adopting the above technical solution, it is convenient to add multiple modifiers.
[0041] In summary, the present utility model conveys the coarse powder silica through the material conveying pipeline 2 and adds modifiers during the conveying stage of the coarse powder silica to achieve the modification of the coarse powder silica, solving the problem that the volume ratio gap between the silica and the modifier is too large due to the low bulk density of the silica, improving the modification effect, and shortening the modification time; the present utility model is provided with a powder grinding device 5 at the end of the material conveying pipeline 2 to achieve the powder grinding of the modified coarse powder silica; the present utility model realizes the quantitative and constant-speed addition of the modifier through the metering pump 31, and the modifier is atomized and sprayed through the nozzle 34 to improve the modification effect; the present utility model uses the powder depolymerizer 4 to disperse the modified coarse powder silica to prevent the coarse powder silica from agglomerating again; the outside of the modifier pipeline 32 of the present utility model is sleeved with a modifier heating sleeve 33 to control the modifier at 50 - 60 °C to ensure the modification effect; the outside of the coarse powder pipeline 10 of the present utility model is sleeved with a silica heating sleeve 8 to heat the coarse powder silica to 60 - 80 °C to remove part of the bound water, making the coarse powder silica more dispersed, reducing agglomeration, and facilitating the adsorption of subsequent modifiers; several modifier sprayers 3 are provided in the present utility model, and the powder depolymerizer 4 is correspondingly arranged to facilitate the addition of multiple modifiers.
[0042] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A continuous modification device for precipitated silica in a pipeline, characterized in that: It includes a material conveying pipeline, a fine powder silo and a coarse powder silo. Among them, the coarse powder silo is connected to one end of the material conveying pipeline through a coarse powder pipeline. An air compressor is connected to the end of the material conveying pipeline where it is connected to the coarse powder pipeline. A modifier injector is installed on the material conveying pipeline. A corresponding powder depolymerizer is provided at the rear end of the modifier injector. The other end of the material conveying pipeline is connected to a powder grinding device. The discharge end of the powder grinding device is connected to the fine powder silo through a fine powder pipeline. The air compressor is signal-connected to a PLC controller.
2. The continuous modification device for silica in pipeline according to claim 1, characterized in that: The modifier injector includes a metering pump. The metering pump is signal-connected to the PLC controller. A modifier pipeline is connected to the output end of the metering pump. The other end of the modifier pipeline is connected to a nozzle located inside the material conveying pipeline.
3. The continuous modification device for precipitated silica in a pipeline according to claim 2, wherein: A modifier heating sleeve is sleeved outside the modifier pipeline. The modifier heating sleeve is signal-connected to the PLC controller.
4. A white carbon black pipeline continuous modification device according to claim 3, characterized in that: The heating temperature of the modifier heating sleeve is 50 - 60 °C.
5. The continuous modification device for precipitated silica in a pipeline according to claim 1, characterized in that: A silica white heating sleeve is sleeved outside the coarse powder pipeline. The silica white heating sleeve is signal-connected to the PLC controller.
6. The white carbon black pipeline continuous modification device according to claim 5, characterized in that: The heating temperature of the silica white heating sleeve is 60 - 80 °C.
7. The continuous modification device for precipitated silica in a pipeline according to claim 1, wherein: The powder depolymerizer includes a motor and a depolymerizer. Among them, the motor is installed outside the material conveying pipeline, the depolymerizer is installed inside the material conveying pipeline, and the output end of the motor is connected to the input end of the depolymerizer.
8. A fumed silica pipeline continuous modification device according to claim 1, characterized in that: Several modifier injectors are provided.