CN115957881A - Processing method for white carbon black modifier - Google Patents
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- CN115957881A CN115957881A CN202310253080.0A CN202310253080A CN115957881A CN 115957881 A CN115957881 A CN 115957881A CN 202310253080 A CN202310253080 A CN 202310253080A CN 115957881 A CN115957881 A CN 115957881A
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Abstract
The invention relates to the technical field of white carbon black modification, and discloses a treatment method for a white carbon black modifier, which comprises the following steps: the control unit carries out ratio adjustment with white carbon black and modifier according to preset ratio rule, obtain initial mixture, carry initial mixture to the rubbing crusher of impact mill based on the draught fan, the rubbing crusher of control unit control impact mill smashes initial mixture, generate and smash the mixture, and carry the crushing mixture to the grader of impact mill based on the draught fan, the grader of control unit control impact mill grades crushing mixture, and obtain modified white carbon black, this application carries out accurate regulation and control to the state parameter of white carbon black modification in-process through the control unit, can improve production efficiency greatly, the modified degree of white carbon black is controlled effectively, avoid excessive modification, the modification effect of white carbon black has been promoted effectively.
Description
Technical Field
The invention relates to the technical field of white carbon black modification, in particular to a processing method for a white carbon black modifier.
Background
White carbon black, also known as amorphous silica, has the characteristics of high chemical thermal stability, strong porous adsorption capacity, large specific surface area, light color, electrical insulation, flame retardance and the like, and is widely applied to the fields of electronics, medicines, optics and the like. In addition, in the traditional processing field, the white carbon black can be used as a filler for reinforcing high polymer materials such as rubber, plastics, resin, fiber, paint coating and the like. However, the surface of the white carbon black contains a large amount of hydroxyl and physically adsorbed water, so that the white carbon black has stronger hydrophilicity, and due to the interaction between smaller particles and strong molecules, white carbon black particles tend to aggregate more, cannot generate good infiltration with an organic medium, and can cause adverse effects on the performance of products. For example, when it is applied to a reinforcing silicone rubber, unmodified white carbon is difficult to disperse in the silicone rubber, and it is difficult to form a coupling bond between the filler and the matrix molecule, so that both the reinforcing effect and the vulcanization efficiency are significantly reduced. Therefore, in order to improve the reinforcing effect, improve the product value and expand the application range of the commercial products, the white carbon black must be modified to a certain extent.
In the prior art, generally, a certain amount of white carbon black is placed in a first reaction kettle, the white carbon black is crushed at a high speed, a certain amount of modifier is placed in a second reaction kettle, the first reaction kettle and the second reaction kettle are heated and vacuumized, and finally the first reaction kettle and the second reaction kettle are communicated, so that the white carbon black is modified under the action of high temperature and high pressure.
Therefore, how to provide a method for effectively treating the white carbon black and the modifier is a technical problem to be solved at present.
Disclosure of Invention
The embodiment of the invention provides a processing method for a white carbon black modifier, which is used for solving the technical problems that in the prior art, the state parameters in the white carbon black modification process cannot be accurately adjusted, the white carbon black modification degree cannot be effectively controlled, and the white carbon black modification effect cannot be improved.
In order to achieve the above object, the present invention provides a processing method for a white carbon black modifier, comprising:
the control unit adjusts the proportion of the white carbon black and the modifier according to a preset proportion rule to obtain an initial mixture;
conveying the initial mixture to a pulverizer of an impact mill based on an induced draft fan;
the control unit controls a pulverizer of the impact mill to pulverize the initial mixture to generate a pulverized mixture, and the pulverized mixture is conveyed to a classifier of the impact mill based on the induced draft fan;
and the control unit controls a grader of the impact mill to grade the crushed mixture and obtain the modified white carbon black.
In one embodiment, the control unit includes:
the collection module is used for collecting the feeding speed A of the initial mixture, the feeding amount B of the initial mixture and the air volume C of the induced draft fan;
the processing module is used for setting working state parameters of the pulverizer and the classifier according to the feeding speed A of the initial mixture, the feeding amount B of the initial mixture and the air volume C of the induced draft fan;
and the control module is used for controlling the pulverizer and the classifier according to the working state parameters.
In one embodiment, the processing module is configured to preset a feeding speed matrix D of the initial mixture, and set D (D1, D2, D3, D4), where D1 is a feeding speed of the first preset initial mixture, D2 is a feeding speed of the second preset initial mixture, D3 is a feeding speed of the third preset initial mixture, D4 is a feeding speed of the fourth preset initial mixture, and D1 < D2 < D3 < D4;
the processing module is used for presetting a rotation speed matrix E of the pulverizer and setting E (E1, E2, E3, E4, E5), wherein E1 is the rotation speed of the first preset pulverizer, E2 is the rotation speed of the second preset pulverizer, E3 is the rotation speed of the third preset pulverizer, E4 is the rotation speed of the fourth preset pulverizer, E5 is the rotation speed of the fifth preset pulverizer, and E1 is more than E2, more than E3, more than E4 and less than E5;
the processing module is further used for setting the rotating speed of the pulverizer according to the relation between the feeding speed A of the initial mixture and the feeding speed of each preset initial mixture:
when A is less than D1, selecting the rotating speed E1 of the first preset pulverizer as the rotating speed of the pulverizer;
when D1 is more than or equal to A and less than D2, selecting the rotating speed E2 of the second preset pulverizer as the rotating speed of the pulverizer;
when D2 is more than or equal to A and less than D3, selecting the rotating speed E3 of the third preset pulverizer as the rotating speed of the pulverizer;
when D3 is more than or equal to A and less than D4, selecting the rotating speed E4 of the fourth preset pulverizer as the rotating speed of the pulverizer;
and when the D4 is not more than A, selecting the rotating speed E5 of the fifth preset pulverizer as the rotating speed of the pulverizer.
In one embodiment, the processing module is configured to preset a feeding amount matrix F of the initial mixture, and set F (F1, F2, F3, F4), where F1 is a feeding amount of the first preset initial mixture, F2 is a feeding amount of the second preset initial mixture, F3 is a feeding amount of the third preset initial mixture, F4 is a feeding amount of the fourth preset initial mixture, and F1 < F2 < F3 < F4;
the processing module is used for presetting a rotation speed correction coefficient matrix h of the crusher and setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a rotation speed correction coefficient of a first preset crusher, h2 is a rotation speed correction coefficient of a second preset crusher, h3 is a rotation speed correction coefficient of a third preset crusher, h4 is a rotation speed correction coefficient of a fourth preset crusher, h5 is a rotation speed correction coefficient of a fifth preset crusher, and h1 is more than 0.8, more than h2, more than h3, more than h4, more than h5 and less than 1.2;
the processing module, after selecting the rotation speed Ei of the ith preset pulverizer as the rotation speed of the pulverizer, i =1,2,3,4,5, and further corrects the rotation speed of the pulverizer according to the relation between the feeding amount B of the initial mixture and the feeding amount of each preset initial mixture:
when B is less than F1, selecting a rotation speed correction coefficient h1 of the first preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei x h1;
when the F1 is not more than B and less than F2, selecting a rotation speed correction coefficient h2 of the second preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei h2;
when F2 is not more than B and less than F3, selecting a rotation speed correction coefficient h3 of the third preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed Ei of the pulverizer is Ei h3;
when F3 is not more than B and less than F4, selecting a rotation speed correction coefficient h4 of the fourth preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed Ei is Ei h4;
and when the F4 is not more than B, selecting a rotating speed correction coefficient h5 of the fifth preset crusher to correct the rotating speed Ei of the crusher, wherein the corrected rotating speed of the crusher is Ei h5.
In one embodiment, the processing module is configured to preset an air volume matrix G of the induced draft fan, and set G (G1, G2, G3, G4), where G1 is an air volume of a first preset induced draft fan, G2 is an air volume of a second preset induced draft fan, G3 is an air volume of a third preset induced draft fan, G4 is an air volume of a fourth preset induced draft fan, and G1 < G2 < G3 < G4;
the processing module is used for presetting a rotation speed matrix J of the classifier and setting J (J1, J2, J3, J4 and J5), wherein J1 is the rotation speed of a first preset classifier, J2 is the rotation speed of a second preset classifier, J3 is the rotation speed of a third preset classifier, J4 is the rotation speed of a fourth preset classifier, J5 is the rotation speed of a fifth preset classifier, and J1 is more than J2 and more than J3 and less than J4 and less than J5;
the processing module is also used for setting the rotating speed of the classifier according to the relationship between the air volume C of the induced draft fan and the air volume of each preset induced draft fan:
when C is less than G1, selecting the rotating speed J1 of the first preset classifier as the rotating speed of the classifier;
when G1 is not more than C and is less than G2, selecting the rotating speed J2 of the second preset classifier as the rotating speed of the classifier;
when G2 is more than or equal to C and less than G3, selecting the rotating speed J3 of the third preset classifier as the rotating speed of the classifier;
when G3 is more than or equal to C and less than G4, selecting the rotating speed J4 of the fourth preset classifier as the rotating speed of the classifier;
and when G4 is less than or equal to C, selecting the rotating speed J5 of the fifth preset classifier as the rotating speed of the classifier.
In one embodiment, when the control unit controls the classifier of the impact mill to classify the crushed mixture and obtain the modified white carbon black, the method includes:
classifying the crushed mixture according to a classifier of the impact mill to obtain a classified mixture;
judging whether the granularity of the graded mixture meets a granularity threshold value or not, if so, judging that the graded mixture is qualified, and collecting the graded mixture to obtain modified white carbon black;
if not, judging that the classified mixture is unqualified, and conveying the classified mixture to a crusher of the impact mill for secondary crushing based on the induced draft fan.
In one embodiment, when the classified mixture is conveyed to a crusher of the impact mill for secondary crushing based on the induced draft fan, the method comprises the following steps:
collecting the granularity K of the classified mixture according to the collecting module;
the processing module carries out secondary correction on the rotating speed of the pulverizer according to the particle size difference between the particle size K of the classified mixture and the particle size threshold value P, and obtains the rotating speed of the pulverizer after secondary correction;
and secondarily crushing the classified mixture based on the rotation speed of the crusher after the secondary correction.
In one embodiment, the processing module performs secondary correction on the rotation speed of the pulverizer according to the particle size difference between the particle size K of the classified mixture and the particle size threshold P, and the secondary correction includes:
the processing module is used for presetting a granularity difference matrix Q and setting Q (Q1, Q2, Q3, Q4), wherein Q1 is a first preset granularity difference, Q2 is a second preset granularity difference, Q3 is a third preset granularity difference, Q4 is a fourth preset granularity difference, and Q1 is more than Q2 and more than Q3 and more than Q4;
the processing module is used for presetting a rotation speed secondary correction coefficient matrix m of the crusher and setting m (m 1, m2, m3, m4, m 5), wherein m1 is a rotation speed secondary correction coefficient of a first preset crusher, m2 is a rotation speed secondary correction coefficient of a second preset crusher, m3 is a rotation speed secondary correction coefficient of a third preset crusher, m4 is a rotation speed secondary correction coefficient of a fourth preset crusher, m5 is a rotation speed secondary correction coefficient of a fifth preset crusher, and m1 is more than 0.8 and more than m2 and more than m3 and more than m4 and less than m5 and less than 1.2;
the processing module, after selecting the rotation speed Ei hi of the ith preset pulverizer as the rotation speed of the pulverizer, i =1,2,3,4,5, further secondarily correcting the rotation speed of the pulverizer according to a relationship between a particle size difference | K-P | between the particle size K of the graded mixture and a particle size threshold P and each preset particle size difference:
when the value is equal to K-P < Q1, selecting a secondary correction coefficient m1 of the rotating speed of the first preset pulverizer to correct the rotating speed Ei chi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei chi m1;
when Q1 is more than or equal to |. K-P | < Q2, selecting a secondary correction coefficient m2 of the rotating speed of the second preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m2;
when Q2 is more than or equal to |. K-P | < Q3, selecting a secondary correction coefficient m3 of the rotating speed of the third preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m3;
when Q3 is more than or equal to |. K-P | < Q4, selecting a secondary correction coefficient m4 of the rotating speed of the fourth preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m4;
and when Q4 is not more than |. K-P |, selecting a secondary correction coefficient m5 of the rotating speed of the fifth preset pulverizer to correct the rotating speed Ei |, hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei |. Hi m5.
The invention provides a processing method for a white carbon black modifier, which has the following beneficial effects compared with the prior art:
the invention discloses a processing method for a white carbon black modifier, which comprises the following steps: the control unit carries out ratio adjustment with white carbon black and modifier according to preset ratio rule, obtain initial mixture, carry initial mixture to the rubbing crusher of impact mill based on the draught fan, the rubbing crusher of control unit control impact mill smashes initial mixture, generate and smash the mixture, and carry the crushing mixture to the grader of impact mill based on the draught fan, the grader of control unit control impact mill grades crushing mixture, and obtain modified white carbon black, this application carries out accurate regulation and control to the state parameter of white carbon black modification in-process through the control unit, can improve production efficiency greatly, the modified degree of white carbon black is controlled effectively, avoid excessive modification, the modification effect of white carbon black has been promoted effectively.
Drawings
FIG. 1 is a schematic flow chart illustrating a processing method for a silica modifier according to an embodiment of the present invention;
fig. 2 shows a functional block diagram of a control unit in an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
Throughout the description of the present application, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention discloses a processing method for a white carbon black modifier, including:
step S100: the control unit adjusts the proportion of the white carbon black and the modifier according to a preset proportion rule to obtain an initial mixture;
step S200: conveying the initial mixture to a pulverizer of an impact mill based on an induced draft fan;
step S300: the control unit controls a pulverizer of the impact mill to pulverize the initial mixture to generate a pulverized mixture, and the pulverized mixture is conveyed to a classifier of the impact mill based on the induced draft fan;
step S400: and the control unit controls a grader of the impact mill to grade the crushed mixture and obtain the modified white carbon black.
It should be noted that, in the present invention, the control unit adjusts the ratio of the white carbon black and the modifier according to a preset ratio rule to obtain an initial mixture, the initial mixture is conveyed to the pulverizer of the impact mill based on the induced draft fan, the control unit controls the pulverizer of the impact mill to pulverize the initial mixture to generate a pulverized mixture, the pulverized mixture is conveyed to the classifier of the impact mill based on the induced draft fan, and the control unit controls the classifier of the impact mill to classify the pulverized mixture to obtain the modified white carbon black.
It should be noted that the crusher and the classifier are controlled by a frequency converter, the frequency converter is electrically connected to the control unit, and the control unit controls the rotation speed of the crusher and the classifier by controlling the frequency converter.
It should be noted that the white carbon black type in the present application may be: white carbon black 6165MP, white carbon black 6175MP and the like, and the specific types of the white carbon black are not particularly limited. The modifier may be selected according to the actual situation and is not specifically limited herein.
As shown in fig. 2, in some embodiments of the present application, the control unit includes:
the collection module is used for collecting the feeding speed A of the initial mixture, the feeding amount B of the initial mixture and the air volume C of the induced draft fan;
the processing module is used for setting working state parameters of the pulverizer and the classifier according to the feeding speed A of the initial mixture, the feeding amount B of the initial mixture and the air volume C of the induced draft fan;
and the control module is used for controlling the pulverizer and the classifier according to the working state parameters.
It should be noted that the control unit in this application can come to carry out accurate regulation and control to the operating condition parameter of rubbing crusher and grader in the impact mill according to the actual production condition, avoids appearing the extravagant phenomenon of energy, has improved crushing efficiency and classification efficiency simultaneously effectively.
In some embodiments of the present application, the processing module is configured to preset a feeding speed matrix D of the initial mixture, and set D (D1, D2, D3, D4), where D1 is a feeding speed of the first preset initial mixture, D2 is a feeding speed of the second preset initial mixture, D3 is a feeding speed of the third preset initial mixture, D4 is a feeding speed of the fourth preset initial mixture, and D1 < D2 < D3 < D4;
the processing module is used for presetting a rotation speed matrix E of the pulverizer and setting E (E1, E2, E3, E4, E5), wherein E1 is the rotation speed of the first preset pulverizer, E2 is the rotation speed of the second preset pulverizer, E3 is the rotation speed of the third preset pulverizer, E4 is the rotation speed of the fourth preset pulverizer, E5 is the rotation speed of the fifth preset pulverizer, and E1 is more than E2, more than E3, more than E4 and less than E5;
the processing module is also used for setting the rotating speed of the pulverizer according to the relationship between the feeding speed A of the initial mixture and the feeding speed of each preset initial mixture:
when A is less than D1, selecting the rotating speed E1 of the first preset pulverizer as the rotating speed of the pulverizer;
when D1 is more than or equal to A and less than D2, selecting the rotating speed E2 of the second preset pulverizer as the rotating speed of the pulverizer;
when D2 is more than or equal to A and less than D3, selecting the rotating speed E3 of the third preset pulverizer as the rotating speed of the pulverizer;
when D3 is more than or equal to A and less than D4, selecting the rotating speed E4 of the fourth preset pulverizer as the rotating speed of the pulverizer;
and when the D4 is not more than A, selecting the rotating speed E5 of the fifth preset pulverizer as the rotating speed of the pulverizer.
After the initial mixture enters the pulverizer, the initial mixture is subjected to violent collision, friction and shearing under the action of a high-speed impact hammer and a toothed plate to be pulverized, and meanwhile, the external part of the pulverizer is cooled by a water-cooling jacket, so that the initial mixture enters the pulverizer along with wind to be pulverized, and the pulverizing temperature can be reduced.
It should be further noted that, the faster the feeding speed of the initial mixture is, the more the initial mixture needs to be crushed in the crusher is, the more the initial mixture is, the load of the main shaft of the crusher is increased due to the excessive initial mixture, and further the frequency converter is easily damaged, but the less the initial mixture is, the crushing efficiency is greatly reduced, so the processing module in the application is further configured to set the rotation speed of the crusher according to the relationship between the feeding speed a of the initial mixture and the feeding speed of each preset initial mixture, wherein the specific selection of D1, D2, D3, and D4 can be determined according to the actual situation;
specifically, the feeding speed D1 of a first preset initial mixture is set to be 10kg/min, the feeding speed D2 of a second preset initial mixture is set to be 20kg/min, the feeding speed D3 of a third preset initial mixture is set to be 30kg/min, and the feeding speed D4 of a fourth preset initial mixture is set to be 40kg/min;
setting the rotating speed E1 of a first preset crusher to be 10rpm, setting the rotating speed E2 of a second preset crusher to be 20rpm, setting the rotating speed E3 of a third preset crusher to be 30rpm, setting the rotating speed E4 of a fourth preset crusher to be 40rpm, and setting the rotating speed E5 of a fifth preset crusher to be 50rpm;
setting the rotating speed of the pulverizer to 10rpm when the feeding speed A of the initial mixture is less than 10kg/min, setting the rotating speed of the pulverizer to 20rpm when the feeding speed A of the initial mixture is less than or equal to 10kg/min and less than or equal to 20kg/min, setting the rotating speed of the pulverizer to 30rpm when the feeding speed A of the initial mixture is less than or equal to 20kg/min and less than or equal to 30kg/min, setting the rotating speed of the pulverizer to 40rpm when the feeding speed A of the initial mixture is less than or equal to 30kg/min and less than or equal to 40kg/min, and setting the rotating speed of the pulverizer to 50rpm when the feeding speed A of the initial mixture is less than or equal to 40 kg/min. This application can improve the crushing efficiency of rubbing crusher in the impact mill effectively through the rotational speed of setting for rubbing crusher.
In some embodiments of the present application, the processing module is configured to preset a feed amount matrix F of the initial mixture, and set F (F1, F2, F3, F4), where F1 is a feed amount of a first preset initial mixture, F2 is a feed amount of a second preset initial mixture, F3 is a feed amount of a third preset initial mixture, F4 is a feed amount of a fourth preset initial mixture, and F1 < F2 < F3 < F4;
the processing module is used for presetting a rotation speed correction coefficient matrix h of the crusher and setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a rotation speed correction coefficient of a first preset crusher, h2 is a rotation speed correction coefficient of a second preset crusher, h3 is a rotation speed correction coefficient of a third preset crusher, h4 is a rotation speed correction coefficient of a fourth preset crusher, h5 is a rotation speed correction coefficient of a fifth preset crusher, and h1 is more than 0.8, more than h2, more than h3, more than h4, more than h5 and less than 1.2;
the processing module, after selecting the rotation speed Ei of the ith preset pulverizer as the rotation speed of the pulverizer, i =1,2,3,4,5, and further corrects the rotation speed of the pulverizer according to the relation between the feeding amount B of the initial mixture and the feeding amount of each preset initial mixture:
when B is less than F1, selecting a rotation speed correction coefficient h1 of the first preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei h1;
when the F1 is not more than B and less than F2, selecting a rotation speed correction coefficient h2 of the second preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei h2;
when F2 is not less than B and less than F3, selecting a rotation speed correction coefficient h3 of the third preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed Ei h3 of the pulverizer is obtained;
when F3 is not more than B and less than F4, selecting a rotation speed correction coefficient h4 of the fourth preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed Ei is Ei h4;
and when the F4 is not more than B, selecting a rotation speed correction coefficient h5 of the fifth preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei x h5.
It should be noted that, after the processing module in this application selects the rotation speed Ei of the ith preset pulverizer as the rotation speed of the pulverizer, i =1,2,3,4,5, and also corrects the rotation speed of the pulverizer according to the relationship between the feed amount B of the initial mixture and the feed amount of each preset initial mixture, wherein the specific selection of F1, F2, F3, and F4 can be determined according to actual conditions;
specifically, the feeding amount F1 of the first preset initial mixture is set to be 50kg, the feeding amount F2 of the second preset initial mixture is set to be 60kg, the feeding amount F3 of the third preset initial mixture is set to be 70kg, and the feeding amount F4 of the fourth preset initial mixture is set to be 80kg;
presetting a rotation speed correction coefficient h1 of a first preset crusher to be 0.9, a rotation speed correction coefficient h2 of a second preset crusher to be 0.95, a rotation speed correction coefficient h3 of a third preset crusher to be 1, a rotation speed correction coefficient h4 of a fourth preset crusher to be 1.1 and a rotation speed correction coefficient h5 of a fifth preset crusher to be 1.15;
when the feeding amount B of the initial mixture is less than 50kg, selecting a rotating speed correction coefficient h1 (0.9) of a first preset pulverizer to correct the rotating speed Ei of the pulverizer, wherein the rotating speed of the corrected pulverizer is Ei 0.9, when the feeding amount B of the initial mixture is less than or equal to 50kg, selecting a rotating speed correction coefficient h2 (0.95) of a second preset pulverizer to correct the rotating speed Ei of the pulverizer, wherein the rotating speed of the corrected pulverizer is Ei 0.95, when the feeding amount B of the initial mixture is less than or equal to 60kg, selecting a rotating speed correction coefficient h3 (1) of a third preset pulverizer to correct the rotating speed Ei of the pulverizer, wherein the rotating speed of the corrected pulverizer is Ei 1, when the feeding amount B of the initial mixture is less than or equal to 70kg, the rotating speed correction coefficient h4 (1.1) of the fourth preset pulverizer is selected to correct the rotating speed Ei of the pulverizer, when the feeding amount B of the initial mixture is less than or equal to 80kg, the rotating speed correction coefficient h4 (1.1.1) of the rotating speed of the corrected pulverizer is equal to correct the rotating speed Ei of the rotating speed of the pulverizer, when the feeding amount B of the initial mixture is less than or equal to 15.5, and the rotating speed of the corrected is equal to correct the rotating speed of the pulverizer, wherein the rotating speed of the pulverizer is equal to 1.1.15. This application is revised through the rotational speed to rubbing crusher, can reduce rubbing crusher's energy consumption, can further promote simultaneously and smash efficiency.
In some embodiments of the application, the processing module is configured to preset an air volume matrix G of the induced draft fan, and set G (G1, G2, G3, G4), where G1 is an air volume of a first preset induced draft fan, G2 is an air volume of a second preset induced draft fan, G3 is an air volume of a third preset induced draft fan, G4 is an air volume of a fourth preset induced draft fan, and G1 < G2 < G3 < G4;
the processing module is used for presetting a rotation speed matrix J of the classifier and setting J (J1, J2, J3, J4 and J5), wherein J1 is the rotation speed of a first preset classifier, J2 is the rotation speed of a second preset classifier, J3 is the rotation speed of a third preset classifier, J4 is the rotation speed of a fourth preset classifier, J5 is the rotation speed of a fifth preset classifier, and J1 is more than J2 and more than J3 and less than J4 and less than J5;
the processing module is also used for setting the rotating speed of the classifier according to the relationship between the air volume C of the induced draft fan and the air volume of each preset induced draft fan:
when C is less than G1, selecting the rotating speed J1 of the first preset classifier as the rotating speed of the classifier;
when G1 is not more than C and is less than G2, selecting the rotating speed J2 of the second preset classifier as the rotating speed of the classifier;
when G2 is not less than C and is less than G3, selecting the rotating speed J3 of the third preset classifier as the rotating speed of the classifier;
when G3 is more than or equal to C and less than G4, selecting the rotating speed J4 of the fourth preset classifier as the rotating speed of the classifier;
and when G4 is less than or equal to C, selecting the rotating speed J5 of the fifth preset classifier as the rotating speed of the classifier.
It should be noted that the rotating speed of the classifier affects the particle size of the modified white carbon black, and the air volume of the induced draft fan affects the cut particle size of the classifier, that is, the particle size of the modified white carbon black is affected, and the larger the air volume is, the larger the particle size of the modified white carbon black is, so the processing module in the application is further configured to set the rotating speed of the classifier according to the relationship between the air volume C of the induced draft fan and the air volume of each preset induced draft fan, wherein the specific selection of G1, G2, G3, and G4 can be determined according to actual conditions;
specifically, the air volume G1 of the first preset induced draft fan is set to 15m for cultivation under argon arc, the air volume G2 of the second preset induced draft fan is set to 20m for cultivation under argon arc, the air volume G3 of the third preset induced draft fan is set to 25m for cultivation under argon arc, and the air volume G4 of the fourth preset induced draft fan is set to 30m for cultivation under argon arc;
setting a rotation speed J1 of a first preset classifier to be 10rpm, setting a rotation speed J2 of a second preset classifier to be 20rpm, setting a rotation speed J3 of a third preset classifier to be 30rpm, setting a rotation speed J4 of a fourth preset classifier to be 40rpm, and setting a rotation speed J5 of a fifth preset classifier to be 50rpm;
when carrying out the dry method for the thin film transistor, the air volume C of the induced draft fan is less than 20 m/min when carrying out the dry method for the thin film transistor, the rotational speed of the grader is set to 10rpm, when carrying out the dry method for the thin film transistor 15 m/min is less than 20 m/min, the rotational speed of the grader is set to 30rpm, when carrying out the dry method for the thin film transistor 25 m/min is less than 30 m/min, the rotational speed of the grader is set to 40rpm, when carrying out the dry method for the thin film transistor 30 m/min is less than 30m, the rotational speed of the grader is set to 50rpm. This application can realize accurately regulating and controlling white carbon black granularity through the rotational speed of setting for the grader, has prevented the influence of draught fan amount of wind to the granularity of modified back white carbon black effectively.
In some embodiments of the present application, when the control unit controls the classifier of the impact mill to classify the pulverized mixture and obtain the modified white carbon black, the method includes:
classifying the crushed mixture according to a classifier of the impact mill to obtain a classified mixture;
judging whether the granularity of the classified mixture meets a granularity threshold value or not, if so, judging that the classified mixture is qualified, collecting the classified mixture, and obtaining modified white carbon black;
if not, judging that the classified mixture is unqualified, and conveying the classified mixture to a crusher of the impact mill for secondary crushing based on the induced draft fan.
After the classification is performed by the classifier, the qualified classified mixture is discharged out of the impact mill along with the wind to obtain the modified white carbon black, and the unqualified classified mixture needs to be subjected to secondary crushing.
In some embodiments of the present application, when the classified mixture is conveyed to the pulverizer of the impact mill for secondary pulverization based on the induced draft fan, the method includes:
collecting the granularity K of the classified mixture according to the collecting module;
the processing module carries out secondary correction on the rotating speed of the pulverizer according to the particle size difference between the particle size K of the classified mixture and the particle size threshold value P, and obtains the rotating speed of the pulverizer after secondary correction;
and secondarily crushing the classified mixture based on the rotation speed of the crusher after the secondary correction.
In some embodiments of the present application, the processing module, when performing the secondary correction of the rotational speed of the pulverizer according to the particle size difference between the particle size K of the graded mixture and the particle size threshold P, includes:
the processing module is used for presetting a granularity difference matrix Q and setting Q (Q1, Q2, Q3, Q4), wherein Q1 is a first preset granularity difference, Q2 is a second preset granularity difference, Q3 is a third preset granularity difference, Q4 is a fourth preset granularity difference, and Q1 is more than Q2 and more than Q3 and more than Q4;
the processing module is used for presetting a rotation speed secondary correction coefficient matrix m of the crusher and setting m (m 1, m2, m3, m4, m 5), wherein m1 is a rotation speed secondary correction coefficient of the first preset crusher, m2 is a rotation speed secondary correction coefficient of the second preset crusher, m3 is a rotation speed secondary correction coefficient of the third preset crusher, m4 is a rotation speed secondary correction coefficient of the fourth preset crusher, m5 is a rotation speed secondary correction coefficient of the fifth preset crusher, and m1 is more than 0.8 and more than m2 and more than m3 and more than m4 and more than m5 and less than 1.2;
the processing module, after selecting the rotation speed Ei hi of the ith preset pulverizer as the rotation speed of the pulverizer, i =1,2,3,4,5, further secondarily correcting the rotation speed of the pulverizer according to a relationship between a particle size difference | K-P | between the particle size K of the graded mixture and a particle size threshold P and each preset particle size difference:
when the value is equal to K-P < Q1, selecting a secondary correction coefficient m1 of the rotating speed of the first preset pulverizer to correct the rotating speed Ei chi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei chi m1;
when Q1 is more than or equal to K-P | < Q2, selecting a rotation speed secondary correction coefficient m2 of the second preset crushing machine to correct the rotation speed Ei | hi of the crushing machine, wherein the corrected rotation speed of the crushing machine is Ei | hi m2;
when Q2 is more than or equal to |. K-P | < Q3, selecting a secondary correction coefficient m3 of the rotating speed of the third preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m3;
when Q3 is more than or equal to |. K-P | < Q4, selecting a secondary correction coefficient m4 of the rotating speed of the fourth preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m4;
and when the Q4 is more than or equal to the |. K-P |, selecting a rotation speed secondary correction coefficient m5 of the fifth preset crushing machine to correct the rotation speed Ei | hi of the crushing machine, wherein the corrected rotation speed Ei | hi of the crushing machine is the rotation speed Ei | m5.
It should be noted that, after the rotation speed Ei of the ith preset pulverizer is selected as the rotation speed of the pulverizer, i =1,2,3,4,5, the processing module further performs secondary correction on the rotation speed of the pulverizer according to the relationship between the particle size difference | K-P | between the particle size K of the classified mixture and the particle size threshold P and each preset particle size difference, wherein the specific selection of Q1, Q2, Q3, Q4 can be determined according to actual conditions;
specifically, a first preset particle size difference value Q1 is set to be 1.95um, a second preset particle size difference value Q2 is set to be 2um, a third preset particle size difference value Q3 is set to be 2.35um, and a fourth preset particle size difference value Q4 is set to be 2.75um;
setting a rotation speed secondary correction coefficient m1 of a first preset crusher to be 0.9, setting a rotation speed secondary correction coefficient m2 of a second preset crusher to be 0.95, setting a rotation speed secondary correction coefficient m3 of a third preset crusher to be 1, setting a rotation speed secondary correction coefficient m4 of a fourth preset crusher to be 1.1, and setting a rotation speed secondary correction coefficient m5 of a fifth preset crusher to be 1.15;
when the particle size difference | K-P | < 1.95um, selecting a secondary correction coefficient m1 (0.9) of the rotating speed of the first preset crusher to correct the rotating speed Ei | hi of the crusher, wherein the corrected rotating speed Ei | hi of the crusher is 0.9; when the particle size difference value | _ K-P | < 2um is larger than or equal to 1.95um, selecting a secondary correction coefficient m2 (0.95) of the rotating speed of the second preset crusher to correct the rotating speed Ei | _ hi of the crusher, wherein the corrected rotating speed Ei | _ hi of the crusher is 0.95; when the particle size difference | _ K-P | < 2.35um is more than or equal to 2um, selecting a secondary correction coefficient m3 (1) of the rotating speed of the third preset crusher to correct the rotating speed Ei | hi of the crusher, wherein the corrected rotating speed of the crusher is Ei | _ hi 1; when the particle size difference K-P | < 2.75um is more than or equal to 2.35um, selecting a rotation speed secondary correction coefficient m4 (1.1) of the fourth preset crushing machine to correct the rotation speed Ei | hi of the crushing machine, wherein the corrected rotation speed Ei | hi of the crushing machine is 1.1; when the particle size difference is less than or equal to 2.75um
And when the rotation speed of the crusher is zero, selecting a second correction coefficient m5 (1.15) of the rotation speed of the fifth preset crusher to correct the rotation speed Ei of the crusher, wherein the corrected rotation speed Ei of the crusher is equal to 1.15. This application can reduce the energy consumption effectively through carrying out the secondary correction to rubbing crusher's rotational speed, can improve the secondary crushing qualification rate again simultaneously, and then improves production efficiency.
It should also be noted that the present application also removes dust through an electrical pulse dust collector, and the electrical pulse dust collector includes: the electric pulse dust collector removes dust attached to a filter medium by a method of blowing compressed air, and can be provided with a plurality of groups of pulse valves according to the size of the dust collector, the pulse valves are controlled by the pulse controller or a PLC, one group of pulse valves are opened each time to remove the part of dust controlled by the pulse valves, and the next group of pulse valves are opened after a period of time to clean the next part of dust. When the dust-containing gas penetrates through the filter bag, the dust is blocked on the outer surface of the filter bag, the purified gas enters the fan through the opening of the filter bag and then is discharged from the air outlet, and the dust is removed,can ensure the normal operation of the impact mill, and the dust concentration is less than or equal to 30mg/m 2 。
To sum up, according to the embodiment of the present invention, a control unit performs matching adjustment on white carbon black and a modifier according to a preset matching rule to obtain an initial mixture, the initial mixture is conveyed to a pulverizer of an impact mill based on an induced draft fan, the control unit controls the pulverizer of the impact mill to pulverize the initial mixture to generate a pulverized mixture, the pulverized mixture is conveyed to a classifier of the impact mill based on the induced draft fan, the control unit controls the classifier of the impact mill to classify the pulverized mixture, and modified white carbon black is obtained.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention can be used in any combination with one another as long as no structural conflict exists, and all combinations that do not exist are described in this specification solely for the sake of brevity and resource savings. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A processing method for a white carbon black modifier is characterized by comprising the following steps:
the control unit adjusts the proportion of the white carbon black and the modifier according to a preset proportion rule to obtain an initial mixture;
conveying the initial mixture to a pulverizer of an impact mill based on an induced draft fan;
the control unit controls a pulverizer of the impact mill to pulverize the initial mixture to generate a pulverized mixture, and the pulverized mixture is conveyed to a classifier of the impact mill based on the induced draft fan;
and the control unit controls a grader of the impact mill to classify the crushed mixture and obtain the modified white carbon black.
2. The method for processing the white carbon black modifier according to claim 1, wherein the control unit comprises:
the collection module is used for collecting the feeding speed A of the initial mixture, the feeding amount B of the initial mixture and the air volume C of the induced draft fan;
the processing module is used for setting working state parameters of the pulverizer and the classifier according to the feeding speed A of the initial mixture, the feeding amount B of the initial mixture and the air volume C of the induced draft fan;
and the control module is used for controlling the pulverizer and the classifier according to the working state parameters.
3. The method for processing the white carbon black modifier according to claim 2,
the processing module is used for presetting a feeding speed matrix D of the initial mixture and setting D (D1, D2, D3 and D4), wherein D1 is the feeding speed of the first preset initial mixture, D2 is the feeding speed of the second preset initial mixture, D3 is the feeding speed of the third preset initial mixture, D4 is the feeding speed of the fourth preset initial mixture, and D1 is more than D2 and less than D3 and less than D4;
the processing module is used for presetting a rotation speed matrix E of the crusher and setting E (E1, E2, E3, E4, E5), wherein E1 is the rotation speed of the first preset crusher, E2 is the rotation speed of the second preset crusher, E3 is the rotation speed of the third preset crusher, E4 is the rotation speed of the fourth preset crusher, E5 is the rotation speed of the fifth preset crusher, and E1 is more than E2, more than E3, more than E4 is more than E5;
the processing module is further used for setting the rotating speed of the pulverizer according to the relation between the feeding speed A of the initial mixture and the feeding speed of each preset initial mixture:
when A is less than D1, selecting the rotating speed E1 of the first preset pulverizer as the rotating speed of the pulverizer;
when D1 is more than or equal to A and less than D2, selecting the rotating speed E2 of the second preset pulverizer as the rotating speed of the pulverizer;
when D2 is more than or equal to A and less than D3, selecting the rotating speed E3 of the third preset pulverizer as the rotating speed of the pulverizer;
when D3 is more than or equal to A and less than D4, selecting the rotating speed E4 of the fourth preset pulverizer as the rotating speed of the pulverizer;
and when the D4 is not more than A, selecting the rotating speed E5 of the fifth preset pulverizer as the rotating speed of the pulverizer.
4. The method for processing a white carbon black modifier according to claim 3,
the processing module is used for presetting a feeding amount matrix F of the initial mixture and setting F (F1, F2, F3, F4), wherein F1 is the feeding amount of the first preset initial mixture, F2 is the feeding amount of the second preset initial mixture, F3 is the feeding amount of the third preset initial mixture, F4 is the feeding amount of the fourth preset initial mixture, and F1 is more than F2 and less than F3 and less than F4;
the processing module is used for presetting a rotation speed correction coefficient matrix h of the crusher and setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a rotation speed correction coefficient of a first preset crusher, h2 is a rotation speed correction coefficient of a second preset crusher, h3 is a rotation speed correction coefficient of a third preset crusher, h4 is a rotation speed correction coefficient of a fourth preset crusher, h5 is a rotation speed correction coefficient of a fifth preset crusher, and h1 is more than 0.8, more than h2, more than h3, more than h4, more than h5 and less than 1.2;
the processing module selects the rotating speed Ei of the ith preset crusher as the rotating speed of the crusher, i =1,2,3,4,5, and corrects the rotating speed of the crusher according to the relation between the feeding amount B of the initial mixture and the feeding amount of each preset initial mixture:
when B is less than F1, selecting a rotation speed correction coefficient h1 of the first preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei h1;
when the F1 is not more than B and less than F2, selecting a rotation speed correction coefficient h2 of the second preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei h2;
when F2 is not less than B and less than F3, selecting a rotation speed correction coefficient h3 of the third preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed Ei h3 of the pulverizer is obtained;
when F3 is not less than B and less than F4, selecting a rotation speed correction coefficient h4 of the fourth preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed Ei of the pulverizer is Ei h4;
and when the F4 is not more than B, selecting a rotation speed correction coefficient h5 of the fifth preset pulverizer to correct the rotation speed Ei of the pulverizer, wherein the corrected rotation speed of the pulverizer is Ei x h5.
5. The method for processing the white carbon black modifier according to claim 2,
the processing module is used for presetting an air volume matrix G of the induced draft fan and setting G (G1, G2, G3 and G4), wherein G1 is the air volume of the first preset induced draft fan, G2 is the air volume of the second preset induced draft fan, G3 is the air volume of the third preset induced draft fan, G4 is the air volume of the fourth preset induced draft fan, and G1 is more than G2 and less than G3 and less than G4;
the processing module is used for presetting a rotation speed matrix J of the classifier and setting J (J1, J2, J3, J4 and J5), wherein J1 is the rotation speed of a first preset classifier, J2 is the rotation speed of a second preset classifier, J3 is the rotation speed of a third preset classifier, J4 is the rotation speed of a fourth preset classifier, J5 is the rotation speed of a fifth preset classifier, and J1 is more than J2 and more than J3 and less than J4 and less than J5;
the processing module is also used for setting the rotating speed of the classifier according to the relationship between the air volume C of the draught fan and the air volume of each preset draught fan:
when C is less than G1, selecting the rotating speed J1 of the first preset classifier as the rotating speed of the classifier;
when G1 is not more than C and is less than G2, selecting the rotating speed J2 of the second preset classifier as the rotating speed of the classifier;
when G2 is not less than C and is less than G3, selecting the rotating speed J3 of the third preset classifier as the rotating speed of the classifier;
when G3 is more than or equal to C and less than G4, selecting the rotating speed J4 of the fourth preset classifier as the rotating speed of the classifier;
and when G4 is less than or equal to C, selecting the rotating speed J5 of the fifth preset classifier as the rotating speed of the classifier.
6. The method for processing the silica modifier according to claim 4, wherein the controlling unit controls the classifier of the impact mill to classify the crushed mixture and obtain the modified silica, the method comprises:
classifying the crushed mixture according to a classifier of the impact mill to obtain a classified mixture;
judging whether the granularity of the classified mixture meets a granularity threshold value or not, if so, judging that the classified mixture is qualified, collecting the classified mixture, and obtaining modified white carbon black;
if not, judging that the classified mixture is not qualified, and conveying the classified mixture to a grinder of the impact mill for secondary grinding based on the induced draft fan.
7. The method for processing the white carbon black modifier according to claim 6, wherein the method comprises the following steps of conveying the classified mixture to a pulverizer of the impact mill for secondary pulverization based on the induced draft fan:
collecting the granularity K of the classified mixture according to the collecting module;
the processing module carries out secondary correction on the rotating speed of the pulverizer according to the particle size difference between the particle size K of the classified mixture and the particle size threshold value P, and obtains the rotating speed of the pulverizer after secondary correction;
and secondarily grinding the classified mixture based on the rotation speed of the grinder after the secondary correction.
8. The method for processing the white carbon black modifier according to claim 7, wherein when the processing module secondarily corrects the rotation speed of the pulverizer according to the particle size difference between the particle size K of the classified mixture and the particle size threshold P, the method comprises the following steps:
the processing module is used for presetting a granularity difference matrix Q and setting Q (Q1, Q2, Q3, Q4), wherein Q1 is a first preset granularity difference, Q2 is a second preset granularity difference, Q3 is a third preset granularity difference, Q4 is a fourth preset granularity difference, and Q1 is more than Q2 and more than Q3 and more than Q4;
the processing module is used for presetting a rotation speed secondary correction coefficient matrix m of the crusher and setting m (m 1, m2, m3, m4, m 5), wherein m1 is a rotation speed secondary correction coefficient of the first preset crusher, m2 is a rotation speed secondary correction coefficient of the second preset crusher, m3 is a rotation speed secondary correction coefficient of the third preset crusher, m4 is a rotation speed secondary correction coefficient of the fourth preset crusher, m5 is a rotation speed secondary correction coefficient of the fifth preset crusher, and m1 is more than 0.8 and more than m2 and more than m3 and more than m4 and more than m5 and less than 1.2;
the processing module, after selecting the i-th predetermined pulverizer speed Ei hi as the rotational speed of the pulverizer, i =1,2,3,4,5, further secondarily modifying the rotational speed of the pulverizer in accordance with a relationship between a particle size difference | K-P | between the particle size K of the graded mixture and a particle size threshold P and each of the predetermined particle size differences:
when the value is equal to K-P < Q1, selecting a secondary correction coefficient m1 of the rotating speed of the first preset pulverizer to correct the rotating speed Ei chi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei chi m1;
when Q1 is more than or equal to |. K-P | < Q2, selecting a secondary correction coefficient m2 of the rotating speed of the second preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m2;
when Q2 is more than or equal to K-P | < Q3, selecting a rotation speed secondary correction coefficient m3 of the third preset crushing machine to correct the rotation speed Ei | hi of the crushing machine, wherein the corrected rotation speed Ei | hi of the crushing machine is the rotation speed Ei | hi m3;
when Q3 is more than or equal to |. K-P | < Q4, selecting a secondary correction coefficient m4 of the rotating speed of the fourth preset pulverizer to correct the rotating speed Ei | > hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei | > hi m4;
and when Q4 is not more than |. K-P |, selecting a secondary correction coefficient m5 of the rotating speed of the fifth preset pulverizer to correct the rotating speed Ei |, hi of the pulverizer, wherein the corrected rotating speed of the pulverizer is Ei |. Hi m5.
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| CN218222754U (en) * | 2022-09-01 | 2023-01-06 | 新疆农垦科学院 | Branch crusher |
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