CN115957880B - Automatic control method for granularity of shaping machine - Google Patents
Automatic control method for granularity of shaping machine Download PDFInfo
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- CN115957880B CN115957880B CN202310012700.1A CN202310012700A CN115957880B CN 115957880 B CN115957880 B CN 115957880B CN 202310012700 A CN202310012700 A CN 202310012700A CN 115957880 B CN115957880 B CN 115957880B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention relates to the field of intelligent control, in particular to an automatic control method for granularity of a shaping machine, which comprises the steps of conveying a material to be shaped into a shaping bin body through a feed bin; the stirring disc is driven to rotate by a driving device connected with the stirring disc arranged in the shaping bin so as to obtain materials to be screened; utilize the granule absorbing device that is close to the top of plastic storehouse body that sets up in this internal plastic storehouse to inhale the granule, the broken dynamics of treating plastic material in the next detection period is adjusted to the real-time density of the piece particulate matter in the useless material pipe in the current detection period to and the drive rotational speed of drive arrangement to agitator disk in the next detection period is adjusted to the quality ratio of the target material of formation in the one detection period in the agitator disk. The quantity of the clastic particles is reduced through the collision of the stirring disk, and the proportion of the target materials is improved, so that more materials can meet the actual granularity requirement, and the efficient conversion of the target materials is realized.
Description
Technical Field
The invention relates to the field of intelligent control, in particular to an automatic control method for granularity of a shaping machine.
Background
The artificial graphite is a blocky solid material prepared by taking a carbonaceous raw material with low impurity content as an aggregate, taking coal pitch and the like as a binder and carrying out processes of proportioning, kneading, forming, carbonization, graphitization and the like, such as a graphite electrode, isostatic pressure graphite and the like, and the particles of the artificial graphite have the problems of irregular shape and uneven granularity after being manufactured, so that a shaping coke particle production device is generally adopted for shaping graphite particles. The cathode material is used as one of core components of the lithium ion battery, and plays a key role in the comprehensive performance of the battery. In the existing negative electrode material, the artificial graphite has the advantages of good compatibility with electrolyte, good cycle performance and rate capability, and the like, so that the artificial graphite becomes a commercial lithium ion battery negative electrode material. However, common artificial graphite particles (petroleum coke, needle coke and pitch coke) have irregular shapes, uneven granularity, large specific surface area, low tap density and high anisotropism, so that the problems of poor material processing performance, pole piece rebound, cell expanding, deformation and the like are outstanding. Therefore, how to obtain artificial graphite particles with regular shapes and uniform granularity, to improve the tap density and isotropy, and to improve the cycle performance and safety performance of the battery cell has been the focus of research and development of artificial graphite negative electrode materials.
The patent document with publication number CN113231159a discloses a plastic coke grain production device for artificial graphite cathode material, through setting up the impact plate, through the blowout of impact cover and striking impact plate fast, can be through the graphite granule of the shaping hole on the impact plate for the plastic is accomplished to can discharge to the outside of plastic case through the discharging pipe, it is obvious, if graphite granule is in the plastic in-process, if the plastic is incomplete still exists and can pass through the shaping hole at specific angle hour, therefore there is the limitation to the verification of plastic granule in the prior art.
Disclosure of Invention
Therefore, the invention provides a particle size automatic control method of a shaping machine, which can solve the problem that verification of the shaping particles in the prior art is limited.
In order to achieve the above purpose, the present invention provides a method for automatically controlling granularity of a shaping machine, comprising:
conveying the material to be reshaped into the reshaping bin body through the feeding barrel;
the stirring disc is driven to rotate by a driving device connected with the stirring disc arranged in the shaping bin, so that the material to be shaped on the stirring disc and the inner wall of the shaping bin body form impact in the rotating process, and the material to be shaped is crushed to obtain the material to be screened;
sucking particles of the materials to be screened by using a particle sucking device arranged in the shaping bin body and close to the top of the shaping bin body, sucking up the chip particles which are in the stirring disc and do not meet a first limiting condition to a waste pipe, and discharging the waste pipe out of the shaping bin body;
adjusting the crushing force of the material to be shaped in the next detection period according to the real-time density of the chip particles in the waste material pipe in the current detection period, and adjusting the driving rotating speed of the driving device in the next detection period to the stirring plate according to the mass ratio of the formed target material in the stirring plate in one detection period so as to enable the ratio of the chip particles in the next detection period to the target material to meet the requirements;
the first constraint is that the weight of the single piece of debris particles is less than or equal to a first preset weight.
Further, the particle absorbing device comprises a fan wheel and a first motor, the first motor is electrically connected with the fan wheel, the first fan wheel is arranged at the top of the shaping bin body, the first motor is used for receiving a control instruction, and controlling the rotating speed of the first motor according to the control instruction, so that the adsorption of the clastic particles which do not meet the first preset weight is realized in the rotating process of the first motor, and the absorbed clastic particles are collected and discharged out of the shaping bin body.
Further, adjusting the crushing force of the material to be shaped in the next detection period according to the real-time density of the chip particles in the waste material pipe in the current detection period comprises:
a first standard density rho 10 and a second standard density rho 20 are preset, and rho 10 is smaller than rho 20;
when judging the real-time density of the clastic particles in the waste pipe, determining that the crushing strength is adjusted to be in a first density condition, a second density condition or a third density condition, wherein the first density condition is that the real-time density of the clastic particles in the waste pipe is smaller than a first standard density rho 10;
the second density condition is that the real-time density of the clastic particles in the waste material pipe is more than or equal to the first standard density rho 10 and less than or equal to the second standard density rho 20;
the third density condition is that the real-time density of the clastic particulate matters in the waste pipe is greater than the second standard density ρ20.
Further, under the first density condition, adopting a first crushing parameter to adjust the crushing strength of the material to be shaped in the next detection period;
under the second density condition, the crushing force of the material to be shaped in the next detection period is not required to be adjusted;
and under the third density condition, adopting a second crushing parameter to adjust the crushing strength of the material to be shaped in the next detection period.
Further, adjusting the driving rotation speed of the driving device to the stirring plate in the next detection period according to the mass ratio of the formed target material in the stirring plate in one detection period comprises:
a first standard duty ratio P10 and a second standard duty ratio P20 are preset;
if the first adjustment strategy is under the first constraint condition, a first adjustment strategy is adopted in the next detection period;
if the detection is under the second constraint condition, a second adjustment strategy is adopted in the next detection period;
if the detection is under the third constraint condition, a third adjustment strategy is adopted in the next detection period;
the first constraint condition is that the mass ratio of the formed target material in the detection period is smaller than a first standard ratio P10;
the second constraint condition is that the mass ratio of the formed target material in the detection period is more than or equal to the first standard ratio P10 and less than or equal to the second standard ratio P20;
the third constraint condition is that the mass ratio of the formed target material in the detection period is larger than the second standard ratio P20.
Further, the first adjustment strategy is to increase the driving rotation speed of the driving device to the stirring disc;
the second adjustment strategy is to keep the driving rotation speed of the driving device on the stirring disc;
the third adjustment strategy is to reduce the driving rotation speed of the driving device to the stirring disk.
Further, under a first adjustment strategy, setting a first standard deviation value and a second standard deviation value, wherein a first adjustment coefficient k1 and a second adjustment coefficient k2, wherein k1 is smaller than k2;
the rated rotation speed of the stirring disc is set to be V0;
calculating the mass ratio of the first standard duty ratio P10 to the formed target material in the detection period, and setting the mass ratio as an actual difference value;
if the actual difference value is smaller than or equal to the first standard difference value, the rated rotation speed is improved by adopting a first adjustment coefficient k 1;
if the actual difference value is larger than or equal to the first standard difference value and smaller than or equal to the second standard difference value, the second adjustment coefficient k2 is adopted to increase the rated rotation speed;
and if the actual difference value is larger than the second standard difference value, the rated rotation speed is adopted.
Further, when the rated rotation speed is increased by the i-th adjustment coefficient ki, the rotation speed of the stirring disk after the increase is v10=v0× (1+ki), i=1, 2.
Further, on the basis of the reduced rated rotation speed under the third adjustment strategy, if the rotation speed of the stirring disc in the next detection period is determined after the period is ended, the adjustment and the operation overall situation in the first detection period and the adjustment and the operation overall situation in the second detection period are respectively recorded, and the operation parameters of the third operation period are adjusted according to the operation situations in the first detection period and the second detection period, so that whether the rotation speed of the stirring disc is adjusted back or not is determined in the third detection period.
Further, when the rotation speed of the stirring disc needs to be recalled, a numerical value formed by a peak value and a valley value in the operation parameter curve in the first detection period and the operation parameter curve in the second detection period is used as a recall coefficient of the rotation speed of the stirring disc, and the recall coefficient is used for completing the determination of the rotation speed of the stirring disc on the basis of the rotation speed in the second detection period.
Compared with the prior art, the method has the beneficial effects that the detection period is set, the crushing force of the material to be shaped in the next detection period is adjusted according to the real-time density of the chip particles in the waste material pipe discharged in the previous period, in practical application, if the crushing force is too large, the corresponding chip particles are increased, and further the real-time density is increased, in order to ensure the intelligent control of the quantity of the chip particles of the material to be shaped, the material to be shaped in the material can be effectively ensured to be converted into the target material through periodically adjusting the crushing force, so that the utilization efficiency of the material is improved through shaping, in addition, the driving rotation speed of the stirring disc is adjusted according to the proportion of the target material generated in one period in the stirring disc, so that the proportion of the chip particles is reduced through collision of the stirring disc, more materials can meet the practical granularity requirement, and the high-efficiency conversion of the target material is realized.
Particularly, through setting up fan wheel and first motor, make and drive the fan wheel and rotate under the power drive of first motor, and the fan wheel can inhale the piece particulate matter that does not accord with first preset weight in the agitator disk in rotatory in-process, and can collect the piece particulate matter that absorbs and discharge the plastic storehouse body in the pipeline, the embodiment of the invention will control the rotatory suction of fan wheel, guarantee to remain the material that satisfies first preset weight in the agitator disk as the target material and carry out the plastic, for the piece particulate matter that does not satisfy the requirement as far as possible reduce the time that remains in the agitator disk, make the agitator disk do idle work, do not carry out plastic processing to the piece particulate matter, the embodiment of the invention is through in time absorbing the piece particulate matter from the agitator disk, work efficiency to the target material in the agitator disk, and can collect the piece particulate matter that does not accord with first preset weight requirement in evening, improve piece particulate matter's recovery efficiency.
In particular, through setting up different density conditions, and adopt the adjustment mode of different crushing forces under different density conditions, realize carrying out finer layering division to the real-time density of the interior piece particulate matter of useless material pipe through setting up two standard densities, and then more meticulous more intelligent to the adjustment of crushing force, make can carry out the adjustment of different degree to the crushing force in the next detection cycle based on different density levels, make in adjacent detection all around through the accurate determination of getting to the density of the interior piece particulate matter of detection cycle and then adjust the crushing force in subsequent detection cycle, make in continuous to the accurate adjustment of the density of piece particulate matter of each detection cycle, improve the quality of piece in the plastic mechanism and the density of formation, make the quantity of target substance increase, improve conversion efficiency.
Especially, the crushing force is adjusted by selecting different crushing parameters under different density conditions, so that substances to be shaped are adjusted to different degrees in the next detection period, and then the density of the chip particles in the substances to be shaped is adjusted to a range meeting actual requirements through adjustment of a plurality of detection periods, so that more substances to be shaped can be converted into target materials, the utilization efficiency and shaping efficiency of the shaping substances are greatly improved, excessive chip particles are avoided, small-amplitude adjustment in the detection periods is realized, and the production efficiency is progressively improved.
In particular, the driving rotation speed of the stirring disc is adjusted through the driving device in the next detection period, so that the mass ratio of the target material in a plurality of continuous detection periods is improved, the mass ratio of the target material in the detection period is accurately determined, two standard ratios are set for evaluating the actual mass ratio of the target material, different constraint conditions are set in different intervals, different processing modes are carried out under different constraint conditions, and the mass ratio of the target material is continuously improved through adjustment in a plurality of detection periods, so that the high-efficiency utilization of the shaping material is realized.
In particular, different adjustment strategies are set to adjust the driving speed to different degrees, so that the driving rotating speed of the stirring disc can continuously improve the duty ratio of the target substance in the continuous adjustment process, the automatic control method for the granularity of the shaping machine can effectively shape the substance, the output duty ratio of the target substance is not improved in the shaping process, and the conversion efficiency is improved.
In particular, by comparing the relation between the actual difference value and the preset first standard difference value and second standard difference value under the first adjustment strategy, determining the range of the actual difference value, and selecting different adjustment coefficients in different ranges, the adjustment of different magnitudes of the rated rotation speed is realized, so that the rotation speed of the stirring disc after adjustment is more in line with the actual needs, the fine adjustment of the rotation speed of the stirring disc is realized, the shaping of substances to be shaped in the stirring disc in the embodiment of the invention is more efficient, and the conversion efficiency of target substances is improved.
In particular, on the basis of adjusting the rated rotation speed under the third adjustment strategy, the operation conditions in each period are estimated according to the formation conditions of the target substances in the first detection period and the second detection period, so that the operation parameters in the third detection period are determined according to the operation conditions in the first two detection periods, the formation process of the target substances is accurately adjusted in a plurality of continuous detection periods, the duty ratio of the target substances is improved continuously, and the conversion efficiency of the target substances is improved greatly.
In particular, when the rotating speed of the stirring disc is regulated, the regulating coefficient is fitted by adopting an operation parameter curve in a first detection period and an operation parameter curve in a second detection period, a peak value and a valley value are determined, the value formed by dividing the valley value by the peak value is used as the regulating coefficient, so that the regulating parameter can embody the operation condition of the first two detection periods, the regulating amplitude is determined more accurately, the actual operation requirement is met, the actual production is met, and the conversion efficiency of a target substance is greatly improved.
Drawings
Fig. 1 is a schematic flow chart of a method for automatically controlling granularity of a shaping machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grain size automatic control device for a shaper according to an embodiment of the present invention;
fig. 3 is a schematic view of another view angle structure of the automatic shaper granularity control apparatus according to the embodiment of the present invention;
reference numerals illustrate:
10-a first motor; 20-shaping bin body; 30-a second motor; 40-feeding cylinder; 50-fan wheel; 60-stirring disc; 70-rotating member; 80-piping; 90-discharging pipe; 91-charging basket.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, the method for automatically controlling granularity of a shaping machine according to the embodiment of the present invention includes:
step S100: conveying the material to be reshaped into the reshaping bin body through the feeding barrel;
step S200: the stirring disc is driven to rotate by a driving device connected with the stirring disc arranged in the shaping bin, so that the material to be shaped on the stirring disc and the inner wall of the shaping bin body form impact in the rotating process, and the material to be shaped is crushed to obtain the material to be screened;
step S300: sucking particles of the materials to be screened by using a particle sucking device arranged in the shaping bin body and close to the top of the shaping bin body, sucking up the chip particles which are in the stirring disc and do not meet a first limiting condition to a waste pipe, and discharging the waste pipe out of the shaping bin body;
step S400: adjusting the crushing force of the material to be shaped in the next detection period according to the real-time density of the chip particles in the waste material pipe in the current detection period, and adjusting the driving rotating speed of the driving device in the next detection period to the stirring plate according to the mass ratio of the formed target material in the stirring plate in one detection period so as to enable the ratio of the chip particles in the next detection period to the target material to meet the requirements;
the first constraint is that the weight of the single piece of debris particles is less than or equal to a first preset weight.
Specifically, the shaping machine disclosed by the embodiment of the invention is shown in combination with fig. 2 and 3, and is mainly used for providing mechanical energy for lithium-carbide graphite anode particles, and the particles are spheroidized after impact crushing, so that the edges and corners of materials are reduced, the sphericity is improved, the morphology of the particles is controlled, the fine classification and sphericization of the particles are realized, and the filling quantity and performance of filling products are improved. In the material got into feed section of thick bamboo 40, start the feeding motor and drive the feeding turbine, carry the material to the plastic storehouse originally internally, start the second motor, drive the agitator disk through the driving medium and rotate, promote material striking plastic storehouse wall to and the mutual collision between the material, thereby realize the material breakage. Meanwhile, the first motor drives the fan wheel to generate rotational flow, so that materials are rotated upwards, lighter scraps are discharged from the waste pipe, and finished products enter the discharging straight barrel through the discharging pipe, so that separation of the materials is realized.
Specifically, the detection period is set, the crushing force of the material to be shaped in the next detection period is adjusted according to the real-time density of the chip particles in the waste material pipe discharged in the previous period, in practical application, if the crushing force is too large, the corresponding chip particles are increased, and further the real-time density is increased, in order to ensure intelligent control of the quantity of the chip particles of the material to be shaped, the material to be shaped in the material can be effectively ensured to be converted into the target material through periodical adjustment of the crushing force, so that the utilization efficiency of the material is improved through shaping, in addition, the driving rotation speed of the stirring disc is adjusted according to the proportion of the target material generated in one period in the stirring disc, so that the proportion of the target material is improved in the next detection period in order to reduce the quantity of the chip particles through collision of the stirring disc, and more materials can meet the practical granularity requirement, and the efficient conversion of the target material is realized.
Specifically, as shown in fig. 2 and 3, the particle suction device includes a fan wheel 50 and a first motor 10, the first motor is electrically connected with the fan wheel, the first fan wheel is disposed at the top of the shaping cabin body 20, the first motor is used for receiving a control instruction, and controlling the rotating speed of the first motor according to the control instruction so as to adsorb the clastic particles which do not meet the first preset weight in the rotating process of the first motor, and collecting and discharging the absorbed clastic particles out of the shaping bin body.
Specifically, the fan wheel and the first motor are arranged, so that the fan wheel is driven to rotate under the power of the first motor, and the fan wheel can suck up the chip particles which do not meet the first preset weight in the stirring disc in the rotating process, collect the absorbed chip particles into the pipeline 80 and discharge the chip particles out of the shaping bin body.
Specifically, adjusting the crushing strength of the material to be shaped in the next detection period according to the real-time density of the chip particles in the waste material pipe in the current detection period includes:
a first standard density rho 10 and a second standard density rho 20 are preset, and rho 10 is smaller than rho 20;
when judging the real-time density of the clastic particles in the waste pipe, determining that the crushing strength is adjusted to be in a first density condition, a second density condition or a third density condition, wherein the first density condition is that the real-time density of the clastic particles in the waste pipe is smaller than a first standard density rho 10;
the second density condition is that the real-time density of the clastic particles in the waste material pipe is more than or equal to the first standard density rho 10 and less than or equal to the second standard density rho 20;
the third density condition is that the real-time density of the clastic particulate matters in the waste pipe is greater than the second standard density ρ20.
Specifically, in the embodiment of the invention, the real-time density of the debris particles in the waste pipe is the distribution density of the debris particles in the waste pipe, and can be determined according to the quantity of the debris particles, or can be determined according to the mass or mention of the debris particles.
Specifically, according to the embodiment of the invention, different density conditions are set, different adjustment modes of crushing force are adopted under the different density conditions, the real-time density of the chip particles in the waste material pipe is divided into finer layers by setting two standard densities, and then the adjustment of the crushing force is finer and more intelligent, so that the crushing force in the next detection period can be adjusted to different degrees based on different density layers, the crushing force can be adjusted in the subsequent detection period by accurately determining the density of the chip particles in the detection period in the adjacent detection surroundings, the accurate adjustment of the density of the chip particles in the subsequent detection period is realized in the continuous detection periods, the quality of chips in the shaping mechanism and the generated density are improved, the quantity of target substances is increased, and the conversion efficiency is improved.
Under the first density condition, adopting a first crushing parameter to adjust the crushing strength of the material to be shaped in the next detection period;
under the second density condition, the crushing force of the material to be shaped in the next detection period is not required to be adjusted;
and under the third density condition, adopting a second crushing parameter to adjust the crushing strength of the material to be shaped in the next detection period.
Specifically, the crushing strength in the embodiment of the invention can be indirectly adjusted through adjustment of the crushing parameters, the crushing strength can be the rotation speed of the crusher or the sharpness of the crushing cutter of the crusher, the crushing condition can be influenced by both the rotation speed and the sharpness, and the crushing strength in the embodiment of the invention is the quantitative representation of the crushing condition.
Specifically, the embodiment of the invention adjusts the crushing strength by selecting different crushing parameters according to different density conditions, so that the material to be shaped is adjusted to different degrees in the next detection period, and further the density of the chip particles in the material to be shaped is adjusted to a range meeting the actual requirements through adjustment of a plurality of detection periods, so that more material to be shaped can be converted into target materials, the utilization efficiency and shaping efficiency of the material to be shaped are greatly improved, excessive chip particles are avoided, small-amplitude adjustment in a plurality of detection periods is realized, and the production efficiency is progressively improved.
Specifically, adjusting the driving rotation speed of the driving device to the stirring plate in the next detection period according to the mass ratio of the formed target material in the stirring plate in one detection period comprises:
a first standard duty ratio P10 and a second standard duty ratio P20 are preset;
if the first adjustment strategy is under the first constraint condition, a first adjustment strategy is adopted in the next detection period;
if the detection is under the second constraint condition, a second adjustment strategy is adopted in the next detection period;
and if the detection result is under the third constraint condition, adopting a third adjustment strategy in the next detection period.
Specifically, the first constraint condition is that the mass ratio of the formed target material in the detection period is smaller than a first standard ratio P10;
the second constraint condition is that the mass ratio of the formed target material in the detection period is more than or equal to the first standard ratio P10 and less than or equal to the second standard ratio P20;
the third constraint condition is that the mass ratio of the formed target material in the detection period is larger than the second standard ratio P20.
Specifically, the calculation method of the mass ratio of the target material in the embodiment of the invention can be determined by detecting the mass of the formed chip particles, if the mass of the chip particles entering the crushing mechanism is set to be X1 and the mass of the chip particles is set to be X2, the mass ratio of the target material is (X1-X2)/X1; in practical application, the output yield of the target material can be directly determined, and the mass ratio is the output yield of the target material/the total mass entering the crushing mechanism. Other determining methods can be adopted, and as shown in fig. 2 and 3, the target substance in the embodiment of the present invention enters the charging basket 91 through the discharging pipe 90 and is discharged, and the stirring disk 60 in the embodiment of the present invention is driven by the second motor 30 to rotate through the rotating member 70.
Specifically, the embodiment of the invention adjusts the driving rotation speed of the stirring disc through the driving device in the next detection period, so that the mass ratio of the target material in a plurality of continuous detection periods is improved, the mass ratio of the target material in the detection period is accurately determined, two standard ratios are set for evaluating the actual mass ratio of the target material, different constraint conditions are set in different intervals, and different processing modes are carried out under different constraint conditions, so that the mass ratio of the target material is continuously improved through the adjustment of a plurality of detection periods, and the high-efficiency utilization of the shaping material is realized.
Specifically, the first adjustment strategy is to increase the driving rotation speed of the driving device to the stirring disc;
the second adjustment strategy is to keep the driving rotation speed of the driving device on the stirring disc;
the third adjustment strategy is to reduce the driving rotation speed of the driving device to the stirring disk.
Specifically, the embodiment of the invention realizes the adjustment of the driving speed to different degrees by setting different adjustment strategies, so that the driving rotating speed of the stirring disc can continuously improve the duty ratio of the target substance in the continuous adjustment process, and the automatic control method for the particle size of the shaping machine in the embodiment of the invention can realize the effective shaping of the substance without increasing the output duty ratio of the target substance in the shaping process, thereby improving the conversion efficiency.
Specifically, under a first adjustment strategy, setting a first standard deviation value and a second standard deviation value, wherein a first adjustment coefficient k1 and a second adjustment coefficient k2, wherein k1 is smaller than k2;
the rated rotation speed of the stirring disc is set to be V0;
calculating the mass ratio of the first standard duty ratio P10 to the formed target material in the detection period, and setting the mass ratio as an actual difference value;
if the actual difference value is smaller than or equal to the first standard difference value, the rated rotation speed is improved by adopting a first adjustment coefficient k 1;
if the actual difference value is larger than or equal to the first standard difference value and smaller than or equal to the second standard difference value, the second adjustment coefficient k2 is adopted to increase the rated rotation speed;
if the actual difference is greater than the second standard difference, the rated rotation speed is adopted.
Specifically, when the rated rotation speed is increased by the i-th adjustment coefficient ki, the rotation speed of the stirring disk after the increase is v10=v0× (1+ki), i=1, 2.
Specifically, the embodiment of the invention compares the relation between the actual difference value and the preset first standard difference value and second standard difference value under the first adjustment strategy, determines the range of the actual difference value, and selects different adjustment coefficients according to different ranges to realize adjustment of different magnitudes of rated rotation speeds, so that the rotation speed of the adjusted stirring disk is more in line with the actual needs, and realizes fine adjustment of the rotation speed of the stirring disk, so that the shaping of substances to be shaped in the stirring disk in the embodiment of the invention is more efficient, and the conversion efficiency of target substances is improved.
Specifically, on the basis of the reduced rated rotation speed, if the rotation speed of the stirring disc in the next detection period is determined after the period is ended under the third adjustment strategy, the adjustment and the operation overall situation in the first detection period and the adjustment and the operation overall situation in the second detection period are respectively recorded, and the operation parameters of the third operation period are adjusted according to the operation situations in the first detection period and the second detection period, so that whether the rotation speed of the stirring disc is adjusted back in the third detection period is determined.
Specifically, on the basis of adjusting the rated rotation speed under the third adjustment strategy, the embodiment of the invention is used for estimating the running conditions in each period according to the formation conditions of the target substances in the first detection period and the second detection period, so that the running parameters in the third detection period are determined according to the running conditions in the first two detection periods, the accurate adjustment of the formation process of the target substances is realized in a plurality of continuous detection periods, the duty ratio of the target substances is improved continuously, and the conversion efficiency of the target substances is improved greatly.
Specifically, when the rotation speed of the stirring disc needs to be recalled, a numerical value formed by a peak value and a valley value in an operation parameter curve in a first detection period and an operation parameter curve in a second detection period is used as a recall coefficient of the rotation speed of the stirring disc, and the recall coefficient is used for completing the determination of the rotation speed of the stirring disc on the basis of the rotation speed in the second detection period.
Specifically, when the rotating speed of the stirring disc is regulated, the regulating coefficient is fitted by adopting the operating parameter curve in the first detection period and the operating parameter curve in the second detection period, the peak value and the valley value are determined, the value formed by dividing the valley value by the peak value is used as the regulating coefficient, so that the regulating parameter can embody the operating conditions of the first two detection periods, the regulating amplitude is determined more accurately, the actual operating requirement is met, the actual production is met, and the conversion efficiency of the target substance is greatly improved.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The automatic control method for the granularity of the shaping machine is characterized by comprising the following steps of:
conveying the material to be reshaped into the reshaping bin body through the feeding barrel;
the stirring disc is driven to rotate by a driving device connected with the stirring disc arranged in the shaping bin body, so that the material to be shaped on the stirring disc and the inner wall of the shaping bin body form impact in the rotating process, and the material to be shaped is crushed to obtain the material to be screened;
sucking particles of the materials to be screened by using a particle sucking device arranged in the shaping bin body and close to the top of the shaping bin body, sucking up the chip particles which are in the stirring disc and do not meet a first limiting condition to a waste pipe, and discharging the waste pipe out of the shaping bin body;
adjusting the crushing force of the material to be shaped in the next detection period according to the real-time density of the chip particles in the waste material pipe in the current detection period, and adjusting the driving rotating speed of the driving device in the next detection period to the stirring plate according to the mass ratio of the formed target material in the stirring plate in one detection period so as to enable the ratio of the chip particles in the next detection period to the target material to meet the requirements;
the first constraint is not met by the weight of individual debris particles being equal to or less than a first predetermined weight.
2. The automatic control method of particle size of a shaping machine according to claim 1, wherein the particle suction device comprises a fan wheel and a first motor, the first motor is electrically connected with the fan wheel, the fan wheel is arranged at the top of the shaping bin body, the first motor is used for receiving a control instruction, so as to control the rotating speed of the first motor according to the control instruction, absorb the particle size of the particle size which does not meet a first preset weight in the rotating process of the first motor, and collect the absorbed particle size of the particle size and discharge the particle size out of the shaping bin body.
3. The automatic control method for the granularity of the shaper according to claim 2, wherein,
adjusting the crushing force of the material to be shaped in the next detection period according to the real-time density of the clastic particles in the waste material pipe in the current detection period comprises the following steps:
a first standard density rho 10 and a second standard density rho 20 are preset, and rho 10 is smaller than rho 20;
when judging the real-time density of the clastic particles in the waste pipe, determining that the crushing strength is adjusted to be in a first density condition, a second density condition or a third density condition, wherein the first density condition is that the real-time density of the clastic particles in the waste pipe is smaller than a first standard density rho 10;
the second density condition is that the real-time density of the clastic particles in the waste material pipe is more than or equal to the first standard density rho 10 and less than or equal to the second standard density rho 20;
the third density condition is that the real-time density of the clastic particulate matters in the waste pipe is greater than the second standard density ρ20.
4. The automatic control method for the granularity of the shaper according to claim 3, wherein,
under the first density condition, adopting a first crushing parameter to adjust the crushing strength of the material to be shaped in the next detection period;
under the second density condition, the crushing force of the material to be shaped in the next detection period is not required to be adjusted;
and under the third density condition, adopting a second crushing parameter to adjust the crushing strength of the material to be shaped in the next detection period.
5. The automatic control method for the granularity of the shaper of claim 4, wherein,
the driving rotation speed of the driving device to the stirring plate in the next detection period is adjusted according to the mass ratio of the formed target material in the stirring plate in one detection period, and the driving rotation speed comprises the following steps:
a first standard duty ratio P10 and a second standard duty ratio P20 are preset;
if the first adjustment strategy is under the first constraint condition, a first adjustment strategy is adopted in the next detection period;
if the detection is under the second constraint condition, a second adjustment strategy is adopted in the next detection period;
if the detection is under the third constraint condition, a third adjustment strategy is adopted in the next detection period;
the first constraint condition is that the mass ratio of the formed target material in the detection period is smaller than a first standard ratio P10;
the second constraint condition is that the mass ratio of the formed target material in the detection period is more than or equal to the first standard ratio P10 and less than or equal to the second standard ratio P20;
the third constraint condition is that the mass ratio of the formed target material in the detection period is larger than the second standard ratio P20.
6. The automatic control method for the granularity of the shaper of claim 5, wherein,
the first adjustment strategy is to increase the driving rotation speed of the driving device to the stirring disc;
the second adjustment strategy is to keep the driving rotation speed of the driving device on the stirring disc;
the third adjustment strategy is to reduce the driving rotation speed of the driving device to the stirring disc.
7. The automatic control method for the granularity of the shaper according to claim 6, wherein,
under a first adjustment strategy, setting a first standard deviation value and a second standard deviation value, wherein a first adjustment coefficient k1 and a second adjustment coefficient k2, wherein k1 is smaller than k2;
the rated rotation speed of the stirring disc is set to be V0;
calculating the mass ratio of the first standard duty ratio P10 to the formed target material in the detection period, and setting the mass ratio as an actual difference value;
if the actual difference value is smaller than or equal to the first standard difference value, the rated rotation speed is improved by adopting a first adjustment coefficient k 1;
if the actual difference value is larger than or equal to the first standard difference value and smaller than or equal to the second standard difference value, the second adjustment coefficient k2 is adopted to increase the rated rotation speed;
and if the actual difference value is larger than the second standard difference value, the rated rotation speed is adopted.
8. The automatic control method for the granularity of the shaper according to claim 7, wherein,
when the rated rotation speed is increased by the i-th adjustment coefficient ki, the driving rotation speed of the stirring disk after the increase is v10=v0× (1+ki), i=1, 2.
9. The automatic control method for the granularity of the shaper according to claim 8, wherein,
on the basis of reducing the rated rotation speed under a third adjustment strategy, if the rotation speed is determined in the next detection period after the period is ended, recording according to the adjustment and the running overall condition in the first detection period and the adjustment and the running overall condition in the second detection period respectively, and adjusting the running parameters of the third running period according to the running conditions in the first detection period and the second detection period so as to determine whether to call back the rotation speed of the stirring disc in the third detection period.
10. The automatic control method of particle size of a shaper according to claim 9, wherein when the driving rotation speed of the stirring disc needs to be recalled, a numerical value formed by a quotient of a peak value and a valley value in an operation parameter curve in a first detection period and an operation parameter curve in a second detection period is used as a recall coefficient of the driving rotation speed of the stirring disc, and the recall coefficient is used for completing the determination of the driving rotation speed of the stirring disc on the basis of the driving rotation speed in the second detection period.
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| FR1533937A (en) * | 1967-05-31 | 1968-07-26 | Babbitless Sa | Process for automatic adjustment of the particle size at the outlet of grinders and crushers, in particular gyrating machines and devices equipped according to this process |
| JPH10309452A (en) * | 1997-03-11 | 1998-11-24 | Shinko Inbesuto:Kk | Powder and grain precision processing device |
| JP2004016983A (en) * | 2002-06-19 | 2004-01-22 | Jfe Steel Kk | Automatic control method of particle size of coal |
| CN205129600U (en) * | 2015-11-16 | 2016-04-06 | 天津市明祥科技发展有限公司 | Circulating carborundum granule plastic equipment |
| CN105600778B (en) * | 2016-02-05 | 2017-11-17 | 青岛田庄恒源石墨有限公司 | A kind of automation equipment for being used to improve spherical graphite tap density |
| CN106799293A (en) * | 2017-03-23 | 2017-06-06 | 潍坊正远粉体工程设备有限公司 | Crush shaping integrated production line |
| US11860078B2 (en) * | 2019-03-29 | 2024-01-02 | Northeastern University | Particle size distribution control in disc milling system based stochastic distribution control experimental device and method |
| CN110523497A (en) * | 2019-07-01 | 2019-12-03 | 中国建筑一局(集团)有限公司 | Centrifugal recycled aggregate stripping and shaping machine |
| CN210846268U (en) * | 2019-09-26 | 2020-06-26 | 楚天科技股份有限公司 | Solid preparation granulator anti-blocking adjusting device and solid preparation granulator |
| CN112110444A (en) * | 2020-09-15 | 2020-12-22 | 广东东岛新能源股份有限公司 | Spherical graphite production process flow and production system thereof |
| CN112808368A (en) * | 2021-01-04 | 2021-05-18 | 中冶长天国际工程有限责任公司 | Crusher and fine particle removing device and removing method thereof |
| CN114178032B (en) * | 2021-12-09 | 2023-03-07 | 萝北奥星新材料有限公司 | Production method of spheroidized graphite with low specific surface area |
| CN217392571U (en) * | 2022-03-16 | 2022-09-09 | 石家庄路宁机械设备有限公司 | Granulator convenient to adjust rotating speed |
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