CN113000194A - Self-sensing and self-feedback device for solid mineral crushing - Google Patents
Self-sensing and self-feedback device for solid mineral crushing Download PDFInfo
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- CN113000194A CN113000194A CN202110265537.0A CN202110265537A CN113000194A CN 113000194 A CN113000194 A CN 113000194A CN 202110265537 A CN202110265537 A CN 202110265537A CN 113000194 A CN113000194 A CN 113000194A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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Abstract
The invention discloses a self-sensing and self-feedback device for crushing solid minerals, wherein in the device, a raw material self-sensing device faces to a bin containing the solid minerals to be crushed to detect the raw material information of the solid minerals, a crushing motor self-sensing device is arranged on a crushing motor to detect the operation information of the crushing motor, a material accumulation self-sensing device is positioned at the lower end of a crushing discharge port to detect the material accumulation information discharged from the crushing discharge port, and a feeding self-sensing device detects the weight variation of the crushing cavity in unit time; the crushing motor feedback device is connected with the crushing motor to control the operation parameters of the motor, the conveying feedback device is connected with the conveying device arranged below the crushing discharge port to control the conveying speed of the conveying device, and the control device sends an instruction to the crushing motor feedback device to adjust the operation parameters, so that the quality of materials entering the crushing cavity is controlled to be the same in unit time. This device has improved the crushing efficiency of material one time through the breaker.
Description
Technical Field
The invention relates to the technical field of solid mineral crushing, in particular to a self-sensing and self-feedback device for solid mineral crushing.
Background
Solid mineral usually needs to be broken up in the process of production and use, especially in the mineral inspection field, often need to pass through breaker to the bulk solid mineral broken up to certain granularity, convenient subsequent use or analysis assay. The common crushing devices include a double-roll crusher, a jaw crusher, a hammer crusher, a vertical crusher, a horizontal crusher and the like. The rotating parts of these crushing plants are usually operated at a constant power with a fixed rotational speed. When the material is too hard, the particles of the crushed material are increased and cannot meet the use requirement, and the large particles are often required to be crushed again until all the particles meet the use requirement. When running into wet and sticky material, the inside material that often appears of breaker glues, stifled phenomenon, along with piling up of material, finally can lead to the breaker to suppress and stop, crushing process can't go on, can damage broken motor drive belt when serious, damages broken motor even. At the moment, the stuck and blocked materials in the crusher must be cleaned up in a manual cleaning mode, and the crushing operation is carried out again, so that the crushing efficiency is greatly reduced. The crusher generally crushes materials at a constant rotating speed, and when the amount of the materials is small, the output power is excessive, so that energy waste is caused.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is well known to those of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a self-sensing and self-feedback device for crushing solid minerals, which improves the crushing efficiency.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a self-sensing and self-feedback device for solid mineral crushing, which comprises:
a raw material self-sensing device facing into a bin containing solid minerals to be crushed to detect raw material information of the solid minerals,
a crushing motor self-sensing device which is arranged on the crushing motor to detect the operation information of the crushing motor,
a material accumulation self-sensing device which is positioned at the lower end of the crushing discharge port to detect the material accumulation information discharged from the crushing discharge port,
the feeding self-sensing device detects the weight variation of the crushing cavity in unit time;
a crushing motor feedback device connected with the crushing motor to control the operation parameters of the motor,
a conveying feedback device connected with the conveying device arranged below the crushing discharge port to control the conveying speed of the conveying device,
one end of the control device is connected with the raw material self-sensing device, the crushing motor self-sensing device, the material accumulation self-sensing device and the feeding self-sensing device, the other end of the control device is connected with the crushing motor feedback device and the conveying feedback device,
in response to the raw material information, the operation information and the weight variation, the control device sends an instruction to the crushing motor feedback device to adjust the operation parameters so that the quality of the materials entering the crushing cavity is controlled to be the same in unit time,
in response to the material accumulation information, the control means sends instructions to the feed feedback means to adjust the feed speed and/or the crushing motor feedback means to adjust operating parameters, to change the feed speed, and/or to cause a change in the mass of material per unit time that is controlled to enter the crushing chamber.
A self-perception and self-feedback device for solid mineral crushing, self-perception and self-feedback device still include vibration feedback device, it establishes on vibrating device, detect the vibration parameter of feed opening vibration feedback device connects controlling means, respond to information and vibration parameter are piled up to the material, controlling means send instruction to carry feedback device in order to adjust conveying speed and/or broken motor feedback device is in order to adjust the operating parameter, in order to change conveying speed, and/or make the material quality that control entering crushing chamber in the unit interval change.
In the self-sensing and self-feedback device for solid mineral crushing, the raw material self-sensing device is arranged in the storage bin through a fixed support, and the raw material self-sensing device comprises a contact type self-sensing probe or a non-contact type self-sensing probe.
In the self-sensing and self-feedback device for crushing the solid minerals, the contact type self-sensing probe is movably connected with the fixed support to be inserted into the fixed minerals, the contact type self-sensing probe senses raw material information through pressure sensing, friction force sensing, ultrasonic waves or rays, the non-contact type self-sensing probe senses the raw material information through receiving and transmitting rays or ultrasonic waves, and the raw material information comprises moisture, ash content, hardness, granularity, viscosity or friction force.
In the self-sensing and self-feedback device for crushing the solid mineral, the self-sensing device of the crushing motor comprises an induction sheet and an emission receiving probe, the induction sheet is arranged on a main shaft of the crushing motor or on a transmission belt or a transmission gear connected with the main shaft, and the emission receiving probe is arranged on a probe bracket fixed around the crushing motor.
In the self-sensing and self-feedback device for solid mineral crushing, the transmitting and receiving probe comprises an infrared probe which generates the real-time rotating speed of the crushing motor based on the transmitting and receiving intervals or frequencies, and the operation information comprises the real-time rotating speed.
In the self-sensing and self-feedback device for solid mineral crushing, the self-sensing device for the crushing motor further comprises a temperature measuring probe for measuring the temperature of the crushing motor and a piezoelectric sensor for a power supply, and the operation information further comprises the temperature and the voltage.
The utility model provides a be arranged in broken self-perception of solid mineral and self-feedback device, the material is piled up and is predetermined angle from sensing device's installation direction and material output direction, or the material is piled up and is installed the position between material discharge gate and conveyor from sensing device, the material is piled up and is piled up information from sensing device and is generated the material based on perception probe cover area or degree of depth, the material is piled up information and is included material volume or material quality.
In the self-sensing and self-feedback device for solid mineral breaking, the sensing probe senses the coverage area or depth through dielectric constant, conductive constant and ultrasonic signals.
The self-sensing and self-feedback device for solid mineral crushing comprises a weight sensor, a crushing motor feedback device comprises a controller and a frequency converter, and the operation parameters comprise output power, rotating speed, forward rotation and reverse rotation or start and stop.
In the technical scheme, the self-sensing and self-feedback device for solid mineral crushing provided by the invention has the following beneficial effects: the device judges the logic relation of sensed data by a control device through sensing the raw material information of the physicochemical property of the crushed material, the change of the material quantity conveyed by a feeding device, the material accumulation condition near a discharge port of a crusher device, the rotation condition of a crushing motor and the like, and transmits a control instruction to the crushing motor, a vibrating device, a conveying device and the like through a self-feedback system. Through the rotational speed of control broken motor, the material that adapts to different hardness has improved the crushing efficiency of material one-time through the breaker through this mode. When the feeding amount is different, the control system judges after real-time feeding data is obtained through the self-sensing device, the rotating speed of the crusher and the power of the conveying device are properly adjusted, the energy consumption is reduced, and the service life of the equipment is prolonged. Through the above-mentioned self-perception device, when the perception arrives the interior material of system and piles up too much, control system makes the feedback, through reducing or stopping measures such as broken feed volume, broken motor, start vibrating device, accelerating material conveyor action, pile up at the material and cause the motor to suppress before stopping serious accident such as stop, will pile up the material sanitization automatically, guarantee going on smoothly of crushing process, guarantee equipment normal use, extension equipment life.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a self-sensing and self-feedback device for solid mineral breaking according to an embodiment of the present invention;
in the figure: 1-a raw material self-sensing device; 2-a storage bin; 3-a self-sensing device of a crushing motor; 4-a crushing motor; 5-a feeding self-sensing device; 6-material accumulation self-sensing device; 7-a crushing motor feedback device; 8-conveying a feedback device; 9-a conveying device; 10-a control device; 11 vibration feedback means; 12-a vibrating device; 13-crushing a discharge port; 14-a feeding device; 15-crushing chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, 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 implicitly indicating 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 invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, in one embodiment, a self-sensing and self-feedback apparatus for solid mineral breaking according to the present invention comprises,
a raw material self-sensing device 1 facing into a bin 2 containing solid minerals to be crushed to detect raw material information of the solid minerals,
a crushing motor self-sensing device 3 which is arranged on a crushing motor 4 to detect the operation information of the crushing motor 4,
a material accumulation self-sensing device 6 which is positioned at the lower end of the crushing discharge port 13 to detect the material accumulation information discharged from the crushing discharge port 13,
a feed self-sensing device 5 which detects the weight variation per unit time in the crushing chamber 15;
a crushing motor feedback device 7 connected with the crushing motor 4 to control the operation parameters of the motor,
a conveying feedback device 8 connected to a conveying device 9 arranged below the crushing discharge port 13 to control the conveying speed of the conveying device 9,
one end of the control device 10 is connected with the raw material self-sensing device 1, the crushing motor self-sensing device 3, the material accumulation self-sensing device 6 and the feeding self-sensing device 5, the other end is connected with the crushing motor feedback device 7 and the conveying feedback device 8,
in response to the raw material information, the operation information, the weight variation, the control device 10 sends instructions to the crushing motor feedback device 7 to adjust the operation parameters so that the quality of the material entering the crushing cavity 15 is controlled to be the same per unit time,
in response to said material accumulation information, the control device 10 sends commands to said feed feedback device 8 to adjust said feed speed and/or said crushing motor feedback device 7 to adjust operating parameters, to change said feed speed, and/or to cause a change in the mass of material per unit of time controlled to enter the crushing chamber 15.
In the self-sensing and self-feedback device for crushing solid minerals, when materials pass below the raw material self-sensing device 1, the self-sensing device feeds detected raw material information back to the control device 10. The control device 10 regulates the material flow to the crusher motor 4 by means of the signals obtained. When the material blockage or other abnormality occurs in the crushing motor 4, the crushing motor self-sensing device 3 feeds back a signal to the control device 10. The control device 10 determines whether to stop the motor movement and increase or decrease the motor speed by the crushing motor feedback device 7 according to the signal transmitted by the crushing motor self-sensing device 3. The feeding self-sensing device 5 transmits a material weight change signal to the control device 10. The control device 10 determines that the material conveyed to the interior of the crusher is conveyed according to a certain mass flow or volume flow by combining the material signal data of the raw material self-sensing device 1. When the material accumulation self-sensing device 6 senses that the material is accumulated near the probe, a signal is fed back to the control device 10. When the control device 10 receives a signal of material accumulation, the rotating speed of the crushing motor 4 is adjusted or the movement of the crushing motor 4 is stopped through the crushing motor feedback device 7, the vibration feedback device 11 and the conveying feedback device 8 according to the position of a signal point and the strength of the signal, the material quantity of the crushing motor 4 is sent into by the feeding device is adjusted, the vibration force or the vibration frequency of the vibration feedback device 11 is increased, the running speed of the conveying feedback device 8 is increased, and the conveying quantity is increased. When the stacking material self-sensing device feeds back that the stacking of the materials is solved, the device restores normal parameters.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral crushing, the self-sensing and self-feedback device further comprises a vibration feedback device 11 arranged on the vibration device 12, the vibration feedback device 11 for detecting the vibration parameter of the discharge opening is connected with the control device 10, and in response to the material accumulation information and the vibration parameter, the control device 10 sends a command to the conveying feedback device 8 to adjust the conveying speed and/or the crushing motor feedback device 7 to adjust the operation parameter, so as to change the conveying speed and/or control the change of the material quality entering the crushing cavity 15 in unit time.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral crushing, the raw material self-sensing device 1 is arranged in the storage bin 2 through a fixed bracket, and the raw material self-sensing device 1 comprises a contact type self-sensing probe or a non-contact type self-sensing probe. It is understood that the silo 2 may be independent of the crushing chamber 15. The raw material self-sensing device 1 can be positioned in the bin 2, or can be moved to the vicinity of the material or inserted into the material by a moving mechanism, such as a probe, outside the bin 2.
In the preferred embodiment of the self-sensing and self-feedback device for crushing solid minerals, the contact type self-sensing probe is movably connected with the fixed support to be inserted into fixed minerals, the contact type self-sensing probe senses raw material information through pressure sensing, friction force sensing, ultrasonic waves or rays, the non-contact type self-sensing probe senses the raw material information through receiving and transmitting rays or ultrasonic waves, and the raw material information comprises moisture, ash content, hardness, granularity, viscosity or friction force.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral crushing, the crushing motor self-sensing device 3 comprises an induction sheet and a transmitting and receiving probe, the induction sheet is arranged on a main shaft of the crushing motor 4 or on a transmission belt or a transmission gear connected with the main shaft, and the transmitting and receiving probe is arranged on a probe bracket fixed around the crushing motor 4.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral breaking, the transmitting and receiving probe comprises an infrared probe which generates a real-time rotating speed of the breaking motor 4 based on the transmitting and receiving interval or frequency, and the operation information comprises the real-time rotating speed.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral crushing, the self-sensing device 3 of the crushing motor further comprises a temperature probe for measuring the temperature of the crushing motor 4 and a piezoelectric sensor of a power supply, and the operation information further comprises the temperature and the voltage.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral crushing, the installation direction of the material accumulation self-sensing device 6 and the material output direction form a predetermined angle, or the material accumulation self-sensing device 6 is installed at a position between the material discharge port 13 and the conveying device 9, the material accumulation self-sensing device 6 generates material accumulation information based on the coverage area or depth of the sensing probe, and the material accumulation information includes the material volume or the material quality.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral breaking, the sensing probe senses the coverage area or depth through dielectric constant, conductive constant and ultrasonic signal.
In the preferred embodiment of the self-sensing and self-feedback device for solid mineral crushing, the feeding self-sensing device 5 comprises a weight sensor, the crushing motor feedback device 7 comprises a controller and a frequency converter, and the operation parameters comprise output power, rotating speed, forward and reverse rotation or start and stop. The feeding self-sensing device 5 can also be arranged at the periphery of the feeding device 14, and the feeding device 14 can be powered by a feeding motor.
In one embodiment, the self-sensing and self-feedback device comprises a raw material self-sensing device 1, a crushing motor self-sensing device 3, a material accumulation self-sensing device 6, a feeding self-sensing device 5, a crushing motor feedback device 7, a vibration feedback device 11, a conveying feedback device 8 and a control device 10. The data obtained by the sensing of the self-sensing device is transmitted to the control device 10, and the control device 10 processes the data and feeds back the control action to the self-feedback device.
In one embodiment, the raw material self-sensing device 1 is composed of a contact type self-sensing probe or a non-contact type self-sensing probe, a movable bracket, a fixed bracket and the like. The self-sensing probe is arranged on the movable support, and the movable support is arranged on the fixed support. The movable support can drive the probe to move up and down and left and right, the top end of the probe is inserted into a material to be crushed, and the physical and chemical properties of the material are sensed in modes of a pressure sensor, a friction force sensor, ultrasonic waves, rays and the like. The non-contact self-sensing probe is arranged on the fixed support and returns to sense the physical and chemical properties of the materials by emitting and receiving rays, ultrasonic waves and the like. Such physicochemical properties include, but are not limited to, moisture, ash, hardness, particle size, viscosity, friction, resistivity, and the like.
In one embodiment, the crushing motor self-sensing device 3 is used for sensing data such as rotating speed, temperature, voltage and the like of the motor. The rotation speed sensing of the motor is composed of an induction sheet and a transmitting and receiving probe. The induction sheet can be arranged on the motor main shaft or a transmission belt and a transmission gear which are connected with the motor main shaft. The transceiver probe is mounted on a probe mount that can be secured adjacent to the motor, for example, to a motor mount. The transmitting and receiving probe can emit infrared rays or other rays, and the rays can be reflected back when encountering the sensing piece and are received by the transmitting and receiving probe. According to the signals such as the transmitted and received interval, the frequency and the like, after the signals are transmitted to the control system, the real-time rotating speed of the motor can be calculated. The motor temperature sensing is composed of a contact type or non-contact type temperature measuring probe, and the signal is transmitted to a control system and used for judging whether the motor is in an overload working state or an abnormal state. The voltage sensing is obtained by a voltage sensor, and whether the input voltage of the motor is abnormal or not is sensed by directly or indirectly measuring the voltage of the motor.
In one embodiment, the material accumulation self-sensing device 6 is composed of one or more material sensing probes and a bracket. The material perception probe is arranged on the support, the material perception probe is positioned at the lower end of the discharge port 13 of the crusher, the installation direction of the perception probe can be vertical to the material output direction or form a certain angle with the material output direction, or the perception probe is arranged at a place where materials are easy to accumulate, such as a position between a material outlet and the material conveying device 9. The material sensing probe can sense signals such as dielectric constant and conductive constant around the probe, difference of emitted or received ultrasonic waves and the like. When the sensing part, such as the end part, of the material sensing probe is partially or completely covered by the material, the sensing probe transmits a sensing signal to the control system. The area and depth covered by the material of the probe can be adjusted by adjusting the sensitivity of the sensing probe.
In one embodiment, the feed self-sensing device 5 is formed by a weight sensor, which can sense the weight change per unit time. The weight change signal is sent to the control device 10 by the sensing and feeding unit.
In one embodiment the crushing motor feedback means 7 is constituted by a controller, a frequency converter or the like. The working frequency and voltage of the motor can be controlled to control the output power, the rotating speed, the forward and reverse rotation, the start and stop of the motor and the like.
In one embodiment, the dynamic feedback device is formed by a vibration motor, a vibration air hammer or other structures capable of providing a vibration function, a vibration bracket and the like. The feedback signal of the control device 10 controls the vibration feedback device 11 to vibrate, and the materials such as coal samples attached to the blanking hopper connected with the vibration bracket are vibrated down.
In one embodiment, the conveying feedback device 8 is composed of a conveying motor and a controller. The control device 10 controls the transport feedback device 8 to operate in a state of pause, acceleration, deceleration, maximum speed, and the like.
In one embodiment, the control device 10 is controlled to receive the signals sensed by the above devices and to make feedback signals according to the properties of the materials. The mass of the material entering the crusher can be set to be the same in unit time, or the volume of the material entering the crusher is the same in unit time. When the material is piled up from perception device 6 perception to the material and is had when piling up, reduce or stop to carrying the material in the breaker, accelerate the speed of outside transport material through carrying feedback device 8, accelerate the number of times of vibration through vibration feedback device 11, through broken motor feedback device 7, reduce or stop broken motor 4 action.
Finally, it should be noted that: the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A self-sensing and self-feedback device for solid mineral comminution, comprising:
a raw material self-sensing device facing into a bin containing solid minerals to be crushed to detect raw material information of the solid minerals,
a crushing motor self-sensing device which is arranged on the crushing motor to detect the operation information of the crushing motor,
a material accumulation self-sensing device which is positioned at the lower end of the crushing discharge port to detect the material accumulation information discharged from the crushing discharge port,
the feeding self-sensing device detects the weight variation of the crushing cavity in unit time;
a crushing motor feedback device connected with the crushing motor to control the operation parameters of the motor,
a conveying feedback device connected with the conveying device arranged below the crushing discharge port to control the conveying speed of the conveying device,
one end of the control device is connected with the raw material self-sensing device, the crushing motor self-sensing device, the material accumulation self-sensing device and the feeding self-sensing device, the other end of the control device is connected with the crushing motor feedback device and the conveying feedback device,
in response to the raw material information, the operation information and the weight variation, the control device sends an instruction to the crushing motor feedback device to adjust the operation parameters so that the quality of the materials entering the crushing cavity is controlled to be the same in unit time,
in response to the material accumulation information, the control means sends instructions to the feed feedback means to adjust the feed speed and/or the crushing motor feedback means to adjust operating parameters, to change the feed speed, and/or to cause a change in the mass of material per unit time that is controlled to enter the crushing chamber.
2. A self-sensing and self-feedback arrangement for solid mineral comminution according to claim 1 in which the self-sensing and self-feedback arrangement further includes a vibration feedback arrangement on the vibration means, the vibration feedback arrangement sensing vibration parameters of the feed opening being connected to the control means, the control means being responsive to the material accumulation information and vibration parameters to send commands to the feed feedback arrangement to adjust the feed rate and/or the comminution motor feedback arrangement to adjust operating parameters to vary the feed rate and/or to cause a change in the mass of material entering the comminution chamber per unit time.
3. The self-sensing and self-feedback device for solid mineral breaking according to claim 1, wherein the raw material self-sensing device is provided in the bin via a fixed bracket, and the raw material self-sensing device comprises a contact type self-sensing probe or a non-contact type self-sensing probe.
4. The self-sensing and self-feedback device for breaking solid minerals of claim 3, wherein the contact type self-sensing probe is movably connected with the fixed bracket to be inserted into the fixed minerals, the contact type self-sensing probe senses the raw material information through pressure sensing, friction force sensing, ultrasonic waves or rays, the non-contact type self-sensing probe senses the raw material information through transmitting and receiving the rays or the ultrasonic waves, and the raw material information comprises moisture, ash content, hardness, granularity, viscosity or friction force.
5. The self-sensing and self-feedback device for crushing solid minerals as claimed in claim 1, wherein the self-sensing device of the crushing motor comprises an induction sheet and a transmitting and receiving probe, the induction sheet is mounted on a main shaft of the crushing motor or on a transmission belt or a transmission gear connected with the main shaft, and the transmitting and receiving probe is mounted on a probe bracket fixed around the crushing motor.
6. The self-sensing and self-feedback device for solid mineral breaking according to claim 5, wherein the transmitting and receiving probe comprises an infrared probe which generates a real-time rotation speed of the breaking motor based on the interval or frequency of transmission and reception, and the operation information comprises the real-time rotation speed.
7. The self-sensing and self-feedback device for solid mineral breaking as claimed in claim 6, wherein the self-sensing device of the breaking motor further comprises a temperature probe for measuring the temperature of the breaking motor and a piezoelectric sensor of the power supply, and the operation information further comprises the temperature and the voltage.
8. The self-sensing and self-feedback device for crushing solid minerals according to claim 1, wherein the material accumulation self-sensing device is installed at a predetermined angle to a material output direction or at a position between a material outlet and a conveying device, and generates material accumulation information based on a covered area or depth of the sensing probe, wherein the material accumulation information includes a material volume or a material mass.
9. The self-sensing and self-feedback device for solid mineral breaking according to claim 1, wherein the sensing probe senses coverage area or depth via dielectric constant, conductivity constant, ultrasonic signal.
10. The apparatus of claim 1, wherein the feed self-sensing means comprises a weight sensor, the crushing motor feedback means comprises a controller and a frequency converter, and the operating parameters comprise output power, rotation speed, forward and reverse rotation or start and stop.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074021A (en) * | 2021-11-20 | 2022-02-22 | 酒泉钢铁(集团)有限责任公司 | Crusher transmission PLC control system and method based on variable frequency transmission system |
| CN114950694A (en) * | 2022-05-07 | 2022-08-30 | 韶关鑫瑞智能装备有限公司 | Feeding speed control method and device of crusher, feeding machine and storage medium |
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| CN115382653B (en) * | 2022-08-23 | 2024-01-02 | 中再生纽维尔资源回收设备（江苏）有限公司 | Feeding control method of scrap steel feeding machine |
| CN116902544A (en) * | 2023-09-13 | 2023-10-20 | 山东山矿机械有限公司 | Electric heating type lignite crushing and conveying control method and system based on data analysis |
| CN116902544B (en) * | 2023-09-13 | 2023-12-01 | 山东山矿机械有限公司 | Electric heating type lignite crushing and conveying control method and system based on data analysis |
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