CN210419826U - Device for producing low-hysteresis carbon black - Google Patents
Device for producing low-hysteresis carbon black Download PDFInfo
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- CN210419826U CN210419826U CN201921241650.XU CN201921241650U CN210419826U CN 210419826 U CN210419826 U CN 210419826U CN 201921241650 U CN201921241650 U CN 201921241650U CN 210419826 U CN210419826 U CN 210419826U
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Abstract
The utility model relates to a device of production low hysteresis carbon black, including the furnace body, furnace body inside has from left to right set gradually combustion chamber, choke reaction chamber, quench water termination reaction chamber, and furnace body one end is connected with one-level crude oil and visits pipe and fuel oil import, and inside one-level crude oil visited pipe run through whole combustion chamber and extend to the throat section, with the perpendicular second grade raw oil gun of being connected of choke reaction chamber, the vertical choke reaction chamber of deepening. The utility model discloses a process that oil drops raw oil dehydrogenation, raw oil partial combustion, raw oil partial thermal cracking, gaseous hydrocarbon can condense to the liquid drop, and two strands of subtend spun raw oil have increased atomizing area, have reduced the torrent degree, have reduced the heat buildup nature and the hysteresis quality that generate carbon black.
Description
Technical Field
The utility model belongs to the technical field of carbon black production, especially, relate to a process units of production low hysteresis carbon black, be used for specially developing the carbon black that the production has low hysteresis quality.
Background
With the development of the automobile industry, higher requirements are continuously put forward on the performances of tires, the automobile tires not only need to have the functions of wear resistance, long driving range and the like, but also are referred to as riding comfort, environmental protection and the like, the automobile tires which meet the characteristics at the same time are called as high-performance tires, and the development of the high-performance tires becomes the development trend of the automobile industry.
When a common automobile tire runs, the temperature of the tire rises quickly, the structure and the performance of a protective material of the tire are changed, the rolling resistance of the wheel is increased, the hysteresis loss is large, and the riding comfort of the automobile is poor. The main reason is that the tire tread is made of hard carbon black, and the hard carbon black has large specific surface area and small particle size, and the carbon black has high heat generation and large hysteresis loss in order to ensure high wear resistance.
The high-performance passenger vehicle tire has the advantages of improving the riding comfort, slowly raising the temperature of the tire, reducing the rolling resistance, the oil consumption and the exhaust emission, reducing the energy loss and the consumption during the running of the vehicle, having the advantages of environmental protection and comfort, and reducing the hysteresis loss, so that the rolling resistance of the high-performance tire can be reduced by 20 percent compared with the tire with the same specification, the fuel consumption of the vehicle is reduced by 5 percent, the CO emission of the vehicle is reduced, other performances such as abrasion resistance, low noise, dry and wet road surface gripping force and the like are kept at good levels, the high-performance tire improves the gripping performance of the vehicle on a smooth road surface through design, the driving is more stable, the braking distance is shorter, and the driving safety is greatly improved. Meanwhile, the friction force generated by the high-performance tire can reduce the braking distance of the automobile on a wet and slippery or icy road, and the driving performance of the automobile in winter is improved.
In order to meet the above requirements of high performance tires, it is necessary to study and design the characteristics of the hard carbon black for treads, to improve and improve the heat generation and hysteresis properties of the hard carbon black for treads, while not decreasing the wear resistance, and to improve the grip performance of tires, to meet the needs of the development of the automobile industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dress of production low hysteresis carbon black technology through providing a rational structural design of structural design, has solved the high, the high problem of hysteresis quality of the carbon black heat generation of current anti-production.
The utility model discloses a realize through following technical scheme:
the utility model relates to a device for producing low-hysteresis carbon black, which comprises a furnace body,
a combustion chamber, a throat tube reaction chamber and a quenching water termination reaction chamber are sequentially arranged in the furnace body;
one end of the furnace body is connected with a primary crude oil probe and a fuel oil inlet, and the primary crude oil probe penetrates through the whole combustion chamber and extends into the throat section;
the outside of the choke reaction chamber is connected with a secondary raw oil gun which extends into the choke reaction chamber;
and a cooling pipe is arranged on the outer side of the furnace body, and one end of the cooling pipe extends to the rapid cooling water reaction chamber.
Further, the outside of the primary raw oil probe tube is protected by a water-cooling sleeve.
Raw oil enters from a probe inlet, a water cooling sleeve is wrapped on the outer layer, cold water circulates back and forth in the cold sleeve, and the water cooling sleeve made of stainless steel is selected.
Furthermore, the throat reaction chamber adopts a tapered structure.
The throat reaction chamber adopts a tapered ladder-shaped structure to accelerate high-temperature airflow generated in the combustion chamber and alleviate the severe turbulence degree of raw oil injection.
Furthermore, the secondary raw oil gun is a stainless steel tube with the diameter of about 10-15 mm.
The conveying pipe of the secondary raw oil adopts a stainless steel oil gun, the oil gun has the advantages that parameters such as pressure, flow and the like of the raw oil can be adjusted according to process requirements, and the stainless steel is adopted because the stainless steel has good chemical properties, is best in chemical corrosion resistance and electrochemical corrosion resistance, is heat-resistant and high-temperature resistant, and is also low-temperature resistant or even ultralow-temperature resistant, so that the safety in the conveying process can be ensured.
Furthermore, preheaters are respectively arranged at the inlets of the primary raw oil probe and the secondary raw oil probe.
Before raw oil enters the reaction chamber, after the oil temperature of the raw oil preheater is increased, the viscosity and the surface tension are reduced, and the quality of carbon black generated in the later period is improved.
The utility model discloses following beneficial effect has:
the utility model discloses a low hysteresis carbon black has been produced to the device, carries out performance test through carrying out the low hysteresis carbon black new variety to after being applied to high performance tire with carbon black, the heat buildup performance of tire obviously reduces, the hysteresis loss of tire obtains reducing, and the comfort level of taking of car obtains improving. Solves the defects of high heat generation and high hysteresis performance of the produced carbon black.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments will be briefly described below.
FIG. 1 is a schematic view of the internal structure of an apparatus for producing a low hysteresis carbon black;
FIG. 2 is a view showing the external structure of a reaction furnace of an apparatus for producing low-hysteresis carbon black;
FIG. 3 is a diagram of a primary feedstock oil probe of a device for producing low hysteresis carbon black;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a combustion chamber, 2-a choke reaction chamber, 3-a quench water termination reaction chamber, 4-a quench pipe, 5-a primary raw oil probe, 6-a fuel oil inlet pipe, 7-a secondary raw oil gun, 8-a primary raw oil preheating chamber, 9-a secondary raw oil preheater, 10-a heat insulation layer and 11-a carbon steel outer wall.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1
As shown in figure 1, a process unit for producing low-hysteresis carbon black is provided, which comprises a furnace body, wherein the inner wall of the furnace body is made of refractory materials, the outer wall of the furnace body is made of carbon steel 11, and a thick heat-insulating layer 10 is arranged between the inner wall and the outer wall.
A combustion chamber 1, a throat reaction chamber 2 and a quench water termination reaction chamber 3 are sequentially arranged in the furnace body from left to right, one end of the furnace body is connected with a primary raw oil probe 5 and a fuel oil 6 inlet pipe, the inlet of the primary raw oil probe 5 is connected with a preheater 8, the fuel oil enters the combustion chamber 1 from the fuel oil inlet pipe 6, the furnace temperature reaches about 2000 ℃, and then high-temperature oil gas is sent to the throat reaction chamber 2. The primary raw oil probe 5 penetrates through the whole combustion chamber and extends into the throat reaction chamber 2, the primary raw oil probe 5 is protected by a water-cooled sleeve, the primary raw oil is preheated to about 200 ℃ in a preheater, then the preheated raw oil enters the throat reaction chamber 2 from the primary raw oil probe opening, and the raw oil is diffused from inside to outside. The secondary raw oil gun 7 is connected with a secondary raw material preheater 9, secondary raw oil is heated to about 200 ℃ in the secondary raw oil preheater 9 and is pumped into the secondary raw oil gun 7 to vertically extend into the throat reaction chamber 2, the preheated raw oil enters from the outside to the inside, the throat reaction chamber 2 is of a tapered ladder-shaped structure to accelerate high-temperature air flow generated in the combustion chamber, two strands of raw oil are atomized to form intersection, the violent turbulence degree of the sprayed raw oil is relieved, the atomized raw oil drops are more uniformly atomized, the atomized oil drops are uniformly distributed in the reaction furnace, and when the temperature of 2000 ℃ is high, the raw oil is combusted to generate carbon black, so that the aggregate generated by carbon black nano is distributed widely, the chain structure of the aggregate is low, and the aggregate enters the cooling reaction chamber, so that the temperature of the aggregate is rapidly reduced, the reaction is terminated, and the heat buildup property of the carbon black is reduced, thereby achieving the purpose of reducing the hysteresis loss.
In the production of carbon black, a raw oil preheater makes full use of the physical heat of carbon black smoke to heat raw oil on line so as to improve the charging temperature of the raw oil, the charging temperature of the raw oil directly influences the viscosity and surface tension of the raw oil, the higher the temperature of the raw oil is, the lower the viscosity is, and simultaneously the tension of the surface of the raw oil is also reduced, so that the atomization degree of the raw oil is greatly improved, and the reduction of the diameter of oil drops and the improvement of the uniformity of the size distribution of the oil drops are facilitated.
If raw oil enters an oil pipe and is not heated or is heated to a temperature below 180 ℃, the viscosity of the raw oil is improved, atomization is influenced, a large amount of temperature can be absorbed in a reaction zone, temperature fluctuation is large, and the requirement of gasification and nucleation reaction can not be guaranteed by enough heat, so that a preheater phase which can be preheated to about 200 ℃ can be independently used, and high-quality carbon black can be better generated.
Example 2
As shown in figure 1, a process unit for producing low hysteresis carbon black is provided, which comprises a furnace body, wherein the furnace body is internally provided with refractory materials, then is provided with a thick insulating layer 10, and the outer wall of the furnace body is provided with carbon steel 11.
A combustion chamber 1, a throat reaction chamber 2 and a quench water termination reaction chamber 3 are sequentially arranged in a furnace body from left to right, one end of the furnace body is connected with a primary raw oil probe 5 and a fuel oil 6 inlet pipe, the inlet of the primary raw oil probe 5 is connected with a preheater 8, fuel oil enters the combustion chamber 1 from the fuel oil inlet pipe 6 to enable the furnace temperature to reach about 2000 ℃, high-temperature oil gas is sent to the throat reaction chamber 2, the primary raw oil probe 5 penetrates through the whole combustion chamber and extends into the throat reaction chamber 2, the primary raw oil probe 5 is protected by a water-cooled sleeve, primary raw oil is preheated to about 200 ℃ in the preheater, preheated raw oil enters the throat reaction chamber 2 from the primary raw oil probe, the raw oil is diffused from inside to outside, a secondary raw oil gun 7 is connected with a secondary preheater 9, the secondary raw oil is heated to about 200 ℃ in the secondary raw oil preheater 9, the raw oil is pumped into a secondary raw oil gun 7 by a pump, vertically extends into a throat reaction chamber 2, preheated raw oil enters from outside to inside, the throat reaction chamber 2 is of a tapered trapezoidal structure to accelerate high-temperature airflow generated in a combustion chamber, two strands of raw oil are atomized to form intersection, the severe turbulence degree of the sprayed raw oil is relieved, raw oil drops after collision are atomized more uniformly, the atomized oil drops are uniformly distributed in the reaction furnace and are combusted when meeting the high temperature of 2000 ℃, carbon black is generated, the generated carbon black nano aggregate is wide in distribution and low in chain structure, the carbon black nano aggregate enters a cooling reaction chamber, the temperature of the carbon black nano aggregate is rapidly reduced, the reaction is stopped, the heat generating performance of the carbon black is reduced, and the purpose of reducing hysteresis loss is achieved.
In the prior art, in a carbon black production device, feed oil is sprayed from outside to inside and then gasified into oil drops, the oil drop feed oil is dehydrogenated, the feed oil is partially combusted, the feed oil is partially thermally cracked, gaseous hydrocarbon can be condensed into liquid drops, and then combustion nuclei and condensate liquid drops are combined together to form carbon black fine particles. The fine carbon black particles are formed by combining a great number of combustion nuclei and hydrocarbon molecules capable of condensing to a certain extent, the nascent carbon black particles collide with each other in high-temperature airflow to form chain-shaped structural aggregates, the reaction process of the steps is completed instantly, and the raw oil is injected in a single direction, so that the formed oil drops are high in turbulence degree and short in reaction time, the size distribution of the formed aggregates is narrow, the structure of the chain-shaped aggregates is high, and the carbon black has high heat generating performance and hysteresis loss. Therefore, the invention adopts bidirectional oil feeding to achieve the purpose of reducing hysteresis loss.
This structure has adopted cascaded reacting furnace design, has increased reacting furnace internal dimension, has reduced the interior pressure of reacting furnace, and the formation process of its carbon black is: the raw oil content of a throat pipe reaction chamber 2 of a carbon black reaction furnace is injected in two ways, after primary raw oil is injected from inside to outside through an axially deep probe, secondary raw oil is radially injected from a raw oil gun and from outside to inside, fuel oil enters a combustion chamber from the combustion chamber to be combusted, the temperature in the furnace reaches 2000 ℃, high-temperature oil gas is sent to the throat part to generate acceleration effect through a contraction type structure of the throat pipe reaction chamber 2, the contraction type structure of the throat pipe reaction chamber 2 is favorable for improving the atomization degree of the raw oil, the primary raw oil and the secondary raw oil are atomized at high temperature to form intersection, oil drops after atomization are uniformly distributed in the reaction furnace, the oil drops after atomization form combustion nuclei when meeting high temperature, cooling water enters a quenching water termination reaction chamber 3 through the cooling water, the combustion nuclei and condensed liquid drops are combined together to form carbon black fine particles, the reaction process is uniform, and the reaction time is prolonged, the aggregate size distribution forming the carbon black becomes broad, reducing the heat buildup property and hysteresis property of the carbon black.
The embodiments of the present invention are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention.
Claims (5)
1. An apparatus for producing a low hysteresis carbon black, comprising:
comprises a furnace body and a furnace body, wherein the furnace body is provided with a furnace body,
a combustion chamber, a throat tube reaction chamber and a quenching water termination reaction chamber are sequentially arranged in the furnace body;
one end of the furnace body is connected with a primary raw oil probe and a fuel oil inlet, and the primary raw oil probe penetrates through the whole combustion chamber and extends into the throat reaction chamber;
the secondary raw oil gun is connected to the outside of the throat reaction chamber and extends into the throat reaction chamber;
and a cooling pipe is arranged on the outer side of the furnace body, and one end of the cooling pipe extends to the rapid cooling water reaction chamber.
2. An apparatus for producing a low hysteresis carbon black according to claim 1, wherein: the outside of the primary raw oil probe is protected by a water-cooling sleeve.
3. An apparatus for producing a low hysteresis carbon black according to claim 1, wherein: the throat reaction chamber adopts a tapered structure.
4. An apparatus for producing a low hysteresis carbon black according to claim 1, wherein: the secondary raw oil gun is a stainless steel tube with the diameter of about 10-15 mm.
5. An apparatus for producing a low hysteresis carbon black according to claim 1, wherein: preheaters are respectively arranged at the inlets of the primary raw oil probe and the secondary raw oil probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241650.XU CN210419826U (en) | 2019-08-01 | 2019-08-01 | Device for producing low-hysteresis carbon black |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921241650.XU CN210419826U (en) | 2019-08-01 | 2019-08-01 | Device for producing low-hysteresis carbon black |
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| CN210419826U true CN210419826U (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317475A (en) * | 2019-08-01 | 2019-10-11 | 东营贝斯特化工科技有限公司 | A kind of device and method producing low hysteresis carbon black |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317475A (en) * | 2019-08-01 | 2019-10-11 | 东营贝斯特化工科技有限公司 | A kind of device and method producing low hysteresis carbon black |
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Address after: 257300 south side of No. 8 Road, Guangrao County Economic Development Zone, Dongying, Shandong Patentee after: Shuoyuan new materials (Dongying) Co., Ltd Address before: 257300 south side of No. 8 Road, Guangrao County Economic Development Zone, Dongying, Shandong Patentee before: DONGGUAN BEISITE CHEMICAL TECHNOLOGY Co.,Ltd. |
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