Device for prolonging vulcanization speed of carbon black rubber compound
By designing a carbon black compounding device that includes a granulation water system and a drum dryer, the vulcanization speed of the carbon black compound was extended, solving the problem of excessively fast vulcanization speed in the traditional carbon black compounding process. This resulted in more uniform processing and a higher product qualification rate, while reducing production costs and environmental pollution.
Patent Information
- Application Number
- CN202520308757.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-25
AI Technical Summary
In the traditional carbon black compounding process, excessively rapid vulcanization leads to uneven mixing and scorching, affecting the performance stability and product qualification rate of rubber products and increasing production costs.
An apparatus was designed that includes a granulation water system, an exhaust dehydration device, a static mixer, a powdered carbon black storage tank, a wet granulator, a drum dryer, and an exhaust bag filter. The apparatus forms wet carbon black particles by mixing granulation water and binder, and then heats the particles in the drum dryer to form dry carbon black particles with acidic functional groups on the surface, thereby extending the vulcanization speed of the compound.
It extends the vulcanization speed of the compound by 10%, improves processing uniformity and the performance stability of rubber products, reduces early vulcanization, increases product qualification rate and reduces production costs, and is environmentally friendly and pollution-free.
Smart Images
Figure CN223805031U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to carbon black mixing technology field, concretely relates to a device of prolonging carbon black mixing rubber vulcanization speed. BACKGROUND
[0002] In the rubber industry, carbon black is an extremely important reinforcing agent and filler, and its mixing processing performance with rubber has a key influence on the quality of rubber products. In the traditional carbon black production process, the prepared carbon black is mixed with rubber, and the vulcanization speed is often fast, which limits the processing performance of carbon black mixing rubber to some extent. The fast vulcanization speed makes the mixing rubber have a short operation time in the processing process, which easily leads to uneven mixing and affects the performance stability of rubber products. Moreover, fast vulcanization can also cause scorching, reduce the product qualification rate, and increase the production cost. Therefore, how to prolong the vulcanization speed of carbon black mixing rubber and improve its processing performance has become a problem to be solved in the field. SUMMARY
[0003] In view of the above technical problems, the utility model provides a device of prolonging carbon black mixing rubber vulcanization speed, the device includes pelletizing water system, exhaust dewatering device, static mixer, powdery carbon black storage tank, wet granulator, roller dryer and exhaust bag filter, the pelletizing water system outlet end and exhaust dewatering device outlet end are respectively communicated with the wet granulator import end through the static mixer, the powdery carbon black storage tank outlet end is communicated with the wet granulator import end, the wet granulator outlet end is communicated with the wet granulator import end, and the roller dryer outlet end is communicated with the exhaust dewatering device import end through the exhaust bag filter.
[0004] Preferably, the pelletizing water system includes a pelletizing water tank, a pelletizing water pump, a pelletizing water flow meter, a pelletizing water flow regulating valve, a binder tank, a binder pump, a binder flow meter, a binder flow regulating valve and a binder check valve, and the pelletizing water tank and the binder tank are communicated with the wet granulator import end through the static mixer.
[0005] Preferably, the pelletizing water pump, the pelletizing water flow meter and the pelletizing water flow regulating valve are sequentially arranged between the pelletizing water tank and the static mixer, and the binder pump, the binder flow meter, the binder flow regulating valve and the binder check valve are sequentially arranged between the binder tank and the static mixer.
[0006] Preferably, the device further includes an airtight valve, and the powdery carbon black storage tank is communicated with the wet granulator through the airtight valve.
[0007] Preferably, the device further includes an exhaust gas combustion furnace, and the exhaust gas combustion furnace is connected with the roller dryer.
[0008] Preferably, the device further includes an exhaust condensate tank, and the exhaust dewatering device is communicated with the static mixer through the exhaust condensate tank.
[0009] Preferably, the device further comprises an exhaust condensate pump, an exhaust condensate flow meter, an exhaust condensate flow regulating valve and an exhaust condensate check valve, and the exhaust condensate tank is sequentially connected with the static mixer through the exhaust condensate pump, the exhaust condensate flow meter, the exhaust condensate flow regulating valve and the exhaust condensate check valve.
[0010] Compared with the prior art, the device has the beneficial effects that:
[0011] The carbon black prepared by the device and the method has a large number of acidic functional groups on the surface, and can effectively prolong the vulcanization speed of the rubber compound by about 10% during rubber mixing and processing, thereby providing more abundant operation time for the processing process, facilitating uniform mixing and improving the performance stability of the rubber product.
[0012] The early vulcanization phenomenon is reduced, and the product qualification rate is improved, and the production cost is reduced.
[0013] The entire preparation process is environmentally friendly, and the pollution to the environment is reduced. The exhaust bag filter filters the carbon black, avoids the emission of the carbon black into the atmosphere, condenses and dehydrates the exhaust gas, and recycles the exhaust condensate, thereby improving the resource utilization rate. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings described herein are used to provide further understanding of the utility model, constitute a part of this application, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.
[0015] Figure 1 The device flowchart of the utility model embodiment is shown in the figure.
[0016] The corresponding relationship between the reference signs and the component names in the figure is shown in the table. Figure 1 The corresponding relationship between the reference signs and the component names in the figure is shown in the table.
[0017] 1 is a granulation water tank, 2 is a granulation water pump, 3 is a granulation water flow meter, 4 is a granulation water flow regulating valve, 5 is a binder tank, 6 is a binder pump, 7 is a binder flow meter, 8 is a binder flow regulating valve, 9 is a binder check valve, 10 is an exhaust dehydration device, 11 is an exhaust condensate pump, 12 is an exhaust condensate flow meter, 13 is an exhaust condensate flow regulating valve, 14 is an exhaust condensate check valve, 15 is a static mixer, 16 is a powdered carbon black storage tank, 17 is an airtight valve, 18 is a wet granulator, 19 is a roller dryer, 20 is an exhaust gas combustion furnace, 21 is an exhaust bag filter, and 22 is an exhaust condensate tank. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0019] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0020] The utility model provides a device of prolonging carbon black mixed rubber vulcanization speed, including pelletizing water tank 1, is pelletizing water pump 2, pelletizing water flowmeter 3, pelletizing water flow regulating valve 4, binder tank 5, binder pump 6, binder flowmeter 7, binder flow regulating valve 8, binder check valve 9, exhaust dewatering device 10, exhaust condensate pump 11, exhaust condensate flowmeter 12, exhaust condensate flow regulating valve 13, exhaust condensate check valve 14, static mixer 15, powdered carbon black storage tank 16, airtight valve 17, wet granulator 18, roller dryer 19, tail gas combustion furnace 20, exhaust bag filter 21, exhaust condensate tank 22.
[0021] The use steps are as follows:
[0022] S1. The exhaust gas containing carbon black is introduced into the exhaust bag filter 21, and the carbon black is filtered;
[0023] S2. The filtered exhaust gas enters the exhaust dewatering device 10 for dewatering treatment, and the gaseous water and other condensable substances are converted into liquid state and collected into the exhaust condensate tank 22; the circulating condensate temperature in the exhaust dewatering device 10 is ≤40℃, the exhaust outlet temperature is ≤85℃, and the pH value of the condensate in the exhaust condensate tank 22 is 2-4;
[0024] S3. The pelletizing water tank 1 is connected to the pelletizing water pump 2, the pelletizing water flowmeter 3 and the pelletizing water flow regulating valve 4 to introduce pelletizing water, the binder tank 5 is connected to the binder pump 6, the binder flowmeter 7, the binder flow regulating valve 8 and the binder check valve 9 to introduce binder, and the exhaust condensate tank 22 is connected to the exhaust condensate pump 11, the exhaust condensate flowmeter 12, the exhaust condensate flow regulating valve 13 and the exhaust condensate check valve 14 to introduce condensate, and the mixed liquid is formed in the static mixer 15;
[0025] S4. The powder carbon black is transported from the powder carbon black storage tank 16 to the wet granulator 18 through the airtight valve 17. Under the action of the granulator, the mixed liquid and the carbon black are fully contacted to form wet carbon black particles;
[0026] S5. The wet carbon black particles are sent into the drum dryer 19, and are heated and dried by the tail gas combustion furnace 20 to form carbon black dry particles with a large number of acidic functional groups on the surface. The generated tail gas is again introduced into the exhaust bag filter 21.
[0027] The above only describes the preferred embodiments of the present application in detail, but the present application is not limited to the above embodiments. Within the knowledge range possessed by those skilled in the art, various changes can be made without departing from the purpose of the present application, and all the changes shall be included in the protection scope of the present application.
Claims
1. An apparatus for extending the cure rate of a carbon black mixed rubber, characterized by: The device comprises a granulation water system, an exhaust dewatering device (10), a static mixer (15), a powdered carbon black storage tank (16), a wet granulator (18), a drum dryer (19) and an exhaust bag filter (21); the outlet end of the granulation water system and the outlet end of the exhaust dewatering device (10) are respectively communicated with the inlet end of the wet granulator (18) through the static mixer (15), the outlet end of the powdered carbon black storage tank (16) is communicated with the inlet end of the wet granulator (18), the inlet end of the drum dryer (19) is communicated with the outlet end of the wet granulator (18), and the outlet end of the drum dryer (19) is communicated with the inlet end of the exhaust dewatering device (10) through the exhaust bag filter (21).
2. An apparatus for extending the cure rate of carbon black compounds as claimed in claim 1, wherein: The granulation water system comprises a granulation water tank (1), a granulation water pump (2), a granulation water flowmeter (3), a granulation water flow regulating valve (4), a binder tank (5), a binder pump (6), a binder flowmeter (7), a binder flow regulating valve (8) and a binder check valve (9), and the granulation water tank (1) and the binder tank (5) are respectively communicated with the inlet end of the wet granulator (18) through the static mixer (15).
3. An apparatus for extending the cure rate of carbon black compounds as claimed in claim 2, wherein: The granulation water pump (2), the granulation water flowmeter (3) and the granulation water flow regulating valve (4) are sequentially arranged between the granulation water tank (1) and the static mixer (15), and the binder pump (6), the binder flowmeter (7), the binder flow regulating valve (8) and the binder check valve (9) are sequentially arranged between the binder tank (5) and the static mixer (15).
4. An apparatus for extending the cure rate of carbon black compounds as claimed in claim 1, wherein: The device further comprises an airtight valve (17), and the powdered carbon black storage tank (16) is communicated with the wet granulator (18) through the airtight valve (17).
5. An apparatus for extending the cure rate of carbon black compounds as claimed in claim 1 wherein: The device further comprises an exhaust gas combustion furnace (20), and the exhaust gas combustion furnace (20) is connected with the drum dryer (19).
6. An apparatus for extending the cure rate of carbon black compounds as defined in claim 1, wherein: The device further comprises an exhaust condensate tank (22), and the exhaust dewatering device (10) is communicated with the static mixer (15) through the exhaust condensate tank (22).
7. An apparatus for extending the cure rate of carbon black compounds as claimed in claim 6 wherein: The device further comprises an exhaust condensate pump (11), an exhaust condensate flowmeter (12), an exhaust condensate flow regulating valve (13) and an exhaust condensate check valve (14), and the exhaust condensate pump (11), the exhaust condensate flowmeter (12), the exhaust condensate flow regulating valve (13) and the exhaust condensate check valve (14) are sequentially arranged between the exhaust condensate tank (22) and the static mixer (15).