Carbon black granulation powder premixing device

Abstract

The utility model provides a carbon black granulation powder premixing device, which belongs to the field of industrial granulation carbon black and waste rubber pyrolysis granulation carbon black, and comprises a cylinder body, a stirring shaft, a driving part, a spiral blade and a plurality of stirring teeth, a carbon black powder inlet and a modified additive inlet are formed in the top of the side face of the barrel, the bottom of the side face is connected with the granulator through a mixture outlet, and the modified additive inlet is located between the carbon black powder inlet and the mixture outlet; the stirring shaft is sleeved in the barrel, and two end shaft heads penetrate through connecting end covers at two ends of the barrel to be connected with the bearing seats; the driving piece drives the stirring shaft to rotate; the spiral blade is arranged corresponding to the carbon black powder inlet and sleeves the stirring shaft; the stirring teeth sleeve the stirring shaft, and part of the stirring teeth are arranged corresponding to the modified additive inlet. The utility model solves the technical problem of low granulation rate of the existing carbon black granulation technology, and has the characteristics of high granulation rate, high utilization rate of materials and energy, and capability of effectively reducing waste and improving productivity.

Description

Technical Field

[0001] This utility model belongs to the field of industrial granulated carbon black and waste rubber pyrolysis granulated carbon black, and particularly relates to a carbon black granulation powder premixing device. Background Technology

[0002] Waste tire pyrolysis is an irreversible thermochemical reaction that uses high temperatures in an oxygen-free or oxygen-deficient atmosphere to decompose the organic matter in waste tires, releasing volatile products and forming solid coke. During incomplete thermal degradation, gaseous, liquid, and solid products can be formed. This method can completely decompose waste tires into useful products such as pyrolysis oil, pyrolysis carbon black, and pyrolysis non-condensable gases. Pyrolysis carbon black, after further processing, can yield high-quality carbon black products for industrial applications. However, existing carbon black granulation technologies often suffer from low granulation rates, resulting in low material and energy utilization. Utility Model Content

[0003] Details of one or more embodiments of the present invention are set forth in the following drawings and description to make other features, objects and advantages of the present application more readily apparent.

[0004] This utility model proposes a carbon black granulation powder premixing device, which solves the technical problem that existing carbon black granulation technology often has a low granulation rate, resulting in low material and energy utilization. It has the characteristics of high granulation rate, high material and energy utilization, and can effectively reduce waste and improve productivity.

[0005] This utility model discloses a carbon black granulation powder premixing device, connected to a granulator, comprising: a cylinder, a stirring shaft, a drive unit, spiral blades, and several stirring teeth; the cylinder forms a mixing chamber for mixing carbon black powder and modified additives, with a carbon black powder inlet and a modified additive inlet on the top side, and a mixture outlet on the bottom side connected to the granulator, the modified additive inlet being located between the carbon black powder inlet and the mixture outlet; the stirring shaft is sleeved within the cylinder, with its two ends passing through connecting end caps at both ends of the cylinder and connected to bearing seats; the drive unit drives the stirring shaft to rotate; the spiral blades are arranged corresponding to the carbon black powder inlet and sleeved outside the stirring shaft; the stirring teeth are sleeved outside the stirring shaft, with some of the stirring teeth corresponding to the modified additive inlet.

[0006] In some embodiments, the helical blades are fitted over one-third of the length of the stirring shaft, and the plurality of stirring teeth are fitted over two-thirds of the length of the stirring shaft.

[0007] In some embodiments, the carbon black powder inlet is located at the right end of the top side of the cylinder, and the mixture outlet is located at the left end of the bottom side of the cylinder.

[0008] In some embodiments, the drive unit includes: a passive pulley connected to the stirring shaft, a drive pulley connected to the passive pulley via a V-belt, and a motor that drives the drive pulley to rotate.

[0009] In some embodiments, the left end of the cylinder is provided with a left connecting end cap, and the left connecting end cap is provided with a left sealing sleeve to prevent dust leakage; the left sealing sleeve is filled with sealing material and is pressed tightly by a left pressure cover; the right end of the cylinder is provided with a right connecting end cap, and the right connecting end cap is provided with a right sealing sleeve to prevent dust leakage; the right sealing sleeve is filled with sealing material and is pressed tightly by a right pressure cover; the left connecting end cap and the right connecting end cap are fixed on the lower mounting base.

[0010] In some embodiments, the carbon black powder inlet is connected to the carbon black powder silo; the carbon black powder silo is equipped with an upper level gauge and an lower level gauge.

[0011] In some embodiments, the carbon black powder silo is also equipped with a back-blowing device, which is connected to a negative pressure blower.

[0012] In some embodiments, the modified additive inlet is connected to a modified additive storage tank via a pipeline equipped with a valve and a delivery pump.

[0013] In some embodiments, one end of the pipe is connected to a plurality of nozzles, which are arranged corresponding to the stirring teeth.

[0014] In some embodiments, the modified additive storage tank is equipped with a magnetic level gauge.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention provides a carbon black granulation powder premixing device. By defining the positions of the spiral blades and the stirring teeth within the cylinder, specifically, the spiral blades are positioned to correspond to the carbon black powder inlet, and some of the stirring teeth are positioned to correspond to the modified additive inlet. On the one hand, the spiral blades can be used to convey the carbon black powder forward, and on the other hand, the stirring teeth can be used to fully stir the carbon black powder and the modified additive, achieving uniform mixing of the two. Specifically, the uniform mixing of materials is achieved by relying on the rotational conveying of the high-speed rotor and the cylinder. This allows for comprehensive and multi-level mixing of the processed materials, ensuring a high granulation rate in the next process, high energy utilization of the materials, reducing material waste, and improving production efficiency. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the carbon black granulation powder premixing device provided in this embodiment of the utility model;

[0019] In the above figures: 101, cylinder; 102, stirring shaft; 103, driving component; 104, spiral blade; 105, stirring teeth; 20, carbon black powder silo; 30, modified additive storage tank; 301, conveying pump; 302, nozzle; 303, magnetic level gauge; 40, granulator. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be described and explained below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments provided by this utility model without inventive effort are within the scope of protection of this utility model.

[0021] This utility model provides a carbon black granulation powder premixing device. Figure 1 This is a schematic diagram of the carbon black granulation powder premixing device according to an embodiment of the present invention. (Reference) Figure 1As shown, the carbon black granulation powder premixing device includes at least: a cylinder 101, a stirring shaft 102, a drive unit 103, a spiral blade 104, and a plurality of stirring teeth 105; the cylinder 101 forms a mixing chamber for mixing carbon black powder and modified additives, with a carbon black powder inlet and a modified additive inlet on the top side, and the bottom side is connected to the granulator 40 through a mixture outlet, with the modified additive inlet located between the carbon black powder inlet and the mixture outlet; the stirring shaft 102 is sleeved inside the cylinder 101, with the shaft ends passing through the connecting end caps at both ends of the cylinder 101 and connected to the bearing seats; the drive unit 103 drives the stirring shaft 102 to rotate; the spiral blade 104 is arranged corresponding to the carbon black powder inlet and sleeved outside the stirring shaft 102; the stirring teeth 105 are sleeved outside the stirring shaft 102, with some of the stirring teeth 105 corresponding to the modified additive inlet. This carbon black granulation powder premixing device defines the positions of the spiral blades 104 and the stirring teeth 105 within the cylinder 101. Specifically, the spiral blades 104 are positioned to correspond to the carbon black powder inlet, and some of the stirring teeth 105 are positioned to correspond to the modified additive inlet. On the one hand, the spiral blades 104 can be used to convey the carbon black powder forward, and on the other hand, the stirring teeth 105 can be used to fully stir the carbon black powder and the modified additive, achieving uniform mixing of the two. Specifically, the uniform mixing of materials is achieved by the rotation and conveying of the high-speed rotor and the cylinder. This allows for comprehensive and multi-level mixing of the processed materials, ensuring a high granulation rate in the next granulation process, high energy utilization of the materials, reducing material waste, and improving production efficiency.

[0022] To ensure continuous conveying of carbon black powder within the cylinder 101 and thorough and uniform mixing of the carbon black powder and modified additives, a spiral blade 104 is fitted over one-third of the length of the stirring shaft 102, and several stirring teeth 105 are fitted over two-thirds of the length of the stirring shaft 102. Furthermore, the carbon black powder inlet is located at the right end of the top side of the cylinder 101, and the mixture outlet is located at the left end of the bottom side of the cylinder 101.

[0023] A feeding spiral blade 104 is installed on the right side of the modified premixing mixing shaft 102 at the carbon black powder inlet. The incoming powder is moved to the left premixing end of the modified premixing mixer outlet by the feeding spiral blade 104. The carbon black powder inlet is vertically located on the upper right side of the cylinder 101, and its inlet is connected to the carbon black powder hopper 20 discharge port. A modified additive nozzle 302 is located in the middle of the cylinder 101 and is connected to a pipe for the modified additive nozzle 302. At two-thirds of the distance from right to left along the 360-degree axis of the mixing shaft 102, there are equidistant mounting seats for a varying number of material stirring teeth 105, and the stirring teeth 105 are mounted on these mounting seats. The modified premixing mixer outlet is located on the lower right side of the cylinder 101 and is connected to the feed inlet of the granulator 40. The modified premixed material discharged from the granulator outlet 40 is sent to the next processing step.

[0024] To ensure the continuous and stable rotation of the stirring shaft 102, the drive unit 103 includes: a driven pulley connected to the stirring shaft 102, a driving pulley connected to the driven pulley via a V-belt, and a motor that drives the driving pulley to rotate. The driven pulley of the modified premixing stirring shaft 102 is located on the right side of the cylinder 101. It is connected to the driving pulley via a varying number of V-belts, and the modified premixing mixer drive device (motor) drives the modified premixing mixer stirring shaft 102 to operate.

[0025] To improve the sealing and stability of the connection, a left connecting end cap is provided at the left end of the cylinder 101, and a left sealing sleeve to prevent dust leakage is provided on the left connecting end cap; the left sealing sleeve is filled with sealing material and is pressed tightly by the left pressure cover; a right connecting end cap is provided at the right end of the cylinder 101, and a right sealing sleeve to prevent dust leakage is provided on the right connecting end cap; the right sealing sleeve is filled with sealing material and is pressed tightly by the right pressure cover; the left connecting end cap and the right connecting end cap are fixed on the lower mounting base.

[0026] The aforementioned carbon black granulation powder premixing device is mounted on a mounting base. A bracket is located on the right side of the mounting base, and the right-side bearing seat is fixed to the bracket. A bracket is also located on the left side of the mounting base, and the left-side bearing seat is fixed to the left-side bracket. A left-side connecting end cap is located at the left end of the cylinder 101, and a right-side connecting end cap is also located on the right side. Both end caps are connected to the flanges on the left and right sides of the modified premixing mixer cylinder 101. A dust-leakage-proof sealing sleeve is installed on the left-side connecting end cap, filled with sealing material. The sleeve is pressed tightly by the left-side sealing sleeve pressure cover, and the left-side connecting end cap is fixed to the lower mounting base. A dust-leakage-proof sealing sleeve is installed on the right-side connecting end cap, filled with sealing material. The sleeve is pressed tightly by the right-side sealing sleeve pressure cover, and fixed to the lower mounting base. The left shaft head of the modified premixing mixing shaft 102 passes through the left-side connecting end cap and engages with the left-side bearing seat. The left shaft head of the modified premixing mixing shaft 102 passes through the right-side connecting end cap and engages with the right-side bearing seat.

[0027] In some embodiments, the carbon black powder inlet is connected to the carbon black powder silo 20; the carbon black powder silo 20 is equipped with an upper and lower level gauge. The carbon black powder silo 20 is also equipped with a back-blowing device, which is connected to a negative pressure blower. Carbon black powder that has reached the required particle size from the previous process is conveyed into the carbon black powder silo 20 under negative pressure for later use. The inlet of the carbon black powder silo 20 is vertically located in the middle of the silo top. An upper level gauge is located on the upper left side of the silo body, and a lower level gauge is located on the lower part of the conical body on the right side of the silo body. The upper level gauge is interlocked with the negative pressure blower to control the upper level within the silo, and the lower level gauge is interlocked with the modified premix mixer to control the lower level within the silo. A negative pressure back-blowing device is located on the upper right side of the carbon black powder silo 20, and is used in conjunction with the negative pressure blower.

[0028] In some embodiments, the modified additive inlet is connected to the modified additive storage tank 30 via a pipe, which is equipped with a valve and a delivery pump 301. One end of the pipe is connected to several nozzles 302, which are positioned corresponding to the stirring teeth 105. The modified additive storage tank 30 is equipped with a magnetic level gauge 303. The modified additive storage tank 30 contains the modifier, and the inlet is vertically positioned at the top of the tank, allowing the modified additive to be input from the outside. A magnetic level gauge 303 is located at the front end of the modified additive storage tank 30 to control the liquid level inside the tank. An outlet is located at the bottom of the modified additive storage tank 30, which is connected to a control valve on the modified additive delivery pipe. The modified additive delivery pump 301 supplies sprayed premixed additive to the modified premixing mixer (carbon black granulation powder premixing device). A spray flow control valve is installed at the outlet of the modified additive pipe, which is connected to the modified additive nozzles 302 mounted on the modified premixing mixer.

[0029] The above-mentioned carbon black granulation powder premixing device has the following characteristics:

[0030] 1. High-efficiency modification: The barrel is equipped with nozzles for modifying additives. Relying on the rotation and conveying of the high-speed rotor and the barrel, the material is uniformly mixed. The material can be mixed in an all-round and multi-level manner, resulting in a high granulation rate for the next process and high energy utilization of the material. This can reduce waste and improve productivity.

[0031] 2. Energy saving and environmental protection: By adopting advanced mixing technology and modifying the surface of carbon black particles and adjusting process parameters, carbon black products with different particle sizes and properties can be obtained. This achieves efficient mixing and granulation with less energy output, while ensuring no pollution during operation.

[0032] 3. Scientific structure: The integrated design reduces the transfer time and loss of materials between different equipment, ensuring the continuity and stability of production.

[0033] 4. Simple maintenance: Special wear-resistant coatings are used on all wear parts of the equipment, which effectively extends the service life and reduces power loss.

[0034] The aforementioned novel high-efficiency pyrolytic carbon black granulation powder modification mixing and premixing machine has significant advantages in improving the adhesive properties and strength of rubber by spraying additives into the carbon black powder, which can modify the surface of the carbon black and increase its activity.

[0035] The working process of the above-mentioned carbon black granulation powder premixing device is as follows:

[0036] Carbon black powder enters the mixing chamber of cylinder 101 through the carbon black powder inlet and is conveyed forward under the action of spiral blade 104. It is mixed with the modified additive that enters the mixing chamber through the modified additive inlet and is uniformly mixed under the action of stirring teeth 105. Then it is conveyed to granulator 40 for granulation.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A carbon black granulation powder premixing device, characterized in that, Connected to the granulator, including: The cylinder forms a mixing chamber for mixing carbon black powder and modified additives. The top side has a carbon black powder inlet and a modified additive inlet, and the bottom side is connected to the granulator through a mixture outlet. The modified additive inlet is located between the carbon black powder inlet and the mixture outlet. A stirring shaft is sleeved inside the cylinder, with its two ends passing through the connecting end caps at both ends of the cylinder and connected to the bearing seats; A driving component that drives the stirring shaft to rotate; Helical blades are provided corresponding to the carbon black powder inlet and are sleeved outside the stirring shaft; A plurality of stirring teeth are provided, which are sleeved outside the stirring shaft, and some of the stirring teeth are provided corresponding to the inlet of the modified additive.

2. The carbon black granulation powder premixing device according to claim 1, characterized in that, The stirring shaft has one-third of its length fitted with the spiral blades, and two-thirds of its length fitted with the plurality of stirring teeth.

3. The carbon black granulation powder premixing device according to claim 1, characterized in that, The carbon black powder inlet is located at the right end of the top side of the cylinder, and the mixture outlet is located at the left end of the bottom side of the cylinder.

4. The carbon black granulation powder premixing device according to claim 1, characterized in that, The driving component includes: a passive pulley connected to the stirring shaft, an active pulley connected to the passive pulley via a V-belt, and a motor that drives the active pulley to rotate.

5. The carbon black granulation powder premixing device according to claim 1, characterized in that, The left end of the cylinder is provided with a left connecting end cap, and the left connecting end cap is provided with a left sealing sleeve to prevent dust leakage; the left sealing sleeve is filled with sealing material and is pressed tightly by a left pressure cover; the right end of the cylinder is provided with a right connecting end cap, and the right connecting end cap is provided with a right sealing sleeve to prevent dust leakage; the right sealing sleeve is filled with sealing material and is pressed tightly by a right pressure cover; the left connecting end cap and the right connecting end cap are fixed on the lower mounting base.

6. The carbon black granulation powder premixing device according to claim 1, characterized in that, The carbon black powder inlet is connected to the carbon black powder silo; the carbon black powder silo is equipped with an upper level gauge and an lower level gauge.

7. The carbon black granulation powder premixing device according to claim 6, characterized in that, The carbon black powder silo is also equipped with a back-blowing device, which is connected to a negative pressure blower.

8. The carbon black granulation powder premixing device according to claim 1, characterized in that, The modified additive inlet is connected to the modified additive storage tank via a pipeline, and the pipeline is equipped with a valve and a delivery pump.

9. The carbon black granulation powder premixing device according to claim 8, characterized in that, One end of the pipe is connected to several nozzles, which are arranged corresponding to the stirring teeth.

10. The carbon black granulation powder premixing device according to claim 8, characterized in that, The modified additive storage tank is equipped with a magnetic level gauge.

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