CN113058731B - Coarse crushing integrated control system and method - Google Patents
Coarse crushing integrated control system and method Download PDFInfo
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- CN113058731B CN113058731B CN202110327059.1A CN202110327059A CN113058731B CN 113058731 B CN113058731 B CN 113058731B CN 202110327059 A CN202110327059 A CN 202110327059A CN 113058731 B CN113058731 B CN 113058731B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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Abstract
The invention provides a coarse crushing integrated control system and a coarse crushing integrated control method, which belong to the technical field of mineral separation, wherein an indicating signal of a traffic signal lamp of a feeding platform is adjusted according to the material level height of a feeding bin, and a feeding truck feeds ores to the feeding bin or stops feeding ores according to the indicating signal; adjusting the discharging speed of the discharging belt according to the material level height of the discharging bin; adjusting the action of a plow discharger arranged in the conveying direction of the discharging belt according to whether an ironware exists on the discharging belt so as to remove the ironware in the material on the discharging belt; the invention realizes the technical effects of improving the automation degree of the semi-mobile crushing station and improving the crushing efficiency.
Description
Technical Field
The invention relates to the technical field of mineral separation, in particular to a coarse crushing integrated control system and a coarse crushing integrated control method.
Background
In the beneficiation flow, the coarse crushing operation is generally included. The existing coarse crusher is arranged in a fixed crushing workshop, and ore of a stope is conveyed into the crushing workshop to be crushed by the crusher. But with the continuous deepening of the open pit, the fixed crushing workshop can not meet the requirements of stope material transportation cost. Therefore, the semi-mobile crushing station integrated from top to bottom along the vertical direction of the crushing feeding bin, the crushing equipment, the discharging bin and the discharging belt conveyor with the all-steel structure is produced, the on-site crushing of the materials is realized, and the materials can move along with the propulsion of the raw material mining surface, so that the transportation cost of the materials is greatly reduced.
The existing coarse crushing integrated system is arranged in the open air, and a crushing feeding bin, crushing equipment and a discharge bin main body can be integrally transported to a crushing site by a heavy-load transport vehicle through automobile feeding; the scene adaptability is strong. However, there are disadvantages as follows:
1. the feeding, discharging and dust removing links are operated by the post workers according to the field conditions, so that the labor cost is wasted, and the health of the post workers is greatly harmed by field noise and dust;
2. the crushing effect is not ideal, large materials which cannot be crushed are accumulated in the feeding bin for a long time, manual regular cleaning is needed, and the overall working efficiency of the semi-mobile crushing station is seriously influenced;
therefore, a coarse crushing integrated control method with high automation degree and high crushing efficiency is needed.
Disclosure of Invention
The invention aims to provide a coarse crushing integrated control system and a coarse crushing integrated control method, which can improve the automation degree of a semi-mobile crushing station and improve the crushing efficiency.
In order to achieve the above object, the present invention provides a coarse crushing integrated control method, comprising:
adjusting an indicating signal of a traffic signal lamp of the feeding platform according to the material level height of the feeding bin, and feeding ore to the feeding bin or stopping feeding ore by the feeding truck according to the indicating signal;
adjusting the discharging speed of the discharging belt according to the material level height of the discharging bin;
adjusting the action of a plow discharger arranged in the conveying direction of the discharging belt according to whether an ironware exists on the discharging belt so as to remove the ironware in the material on the discharging belt; wherein the content of the first and second substances,
when an ironware is detected in the material on the discharging belt, triggering the plow discharger to press the discharging belt, and enabling the ironware on the discharging belt to enter the receiving hopper through a discharging opening of the plow discharger; and after the ironware enters the receiving hopper, triggering the plow discharger to separate from the discharging belt.
Further, preferably, after the step of adjusting the indication signal of the traffic signal lamp of the feeding platform according to the material level height of the feeding bin and feeding ore or stopping feeding ore to the feeding bin by the feeding truck according to the indication signal, the method further comprises a step of controlling the crushing of the bulk material, wherein the step of controlling the crushing of the bulk material comprises the following steps:
acquiring a video image of the material in the feeding bin through a camera arranged on the feeding bin;
judging whether a feeding bin has large materials or not according to the obtained video image;
when large materials exist, the breaking hammer is triggered to break the large materials.
Further, preferably, the method further comprises a dust removal control step, wherein the dust removal step comprises:
detecting the material level height of a feeding bin through a feeding bin material level meter; when the feeding truck feeds ores to the feeding bin, the material level of the feeding bin continuously rises, the spraying head arranged at the top of the feeding bin is triggered to carry out spraying dust removal, and the spraying dust removal is closed after the spraying dust removal continues to work for 20-30 seconds until the material level of the feeding bin is detected by the material level gauge of the feeding bin to be unchanged or falls.
Further, it is preferable that the presence or absence of ironware on the discharge belt is detected by a metal detector one disposed in the conveying direction on the discharge belt;
whether an ironware enters the receiving hopper is detected through a metal detector II arranged in the receiving hopper.
Further, preferably, in the step of adjusting an indication signal of a traffic light of the feeding platform according to the material level height of the feeding bin, and the feeding truck feeding ore to the feeding bin or stopping feeding ore according to the indication signal, the method includes:
detecting the material level height of the feeding bin through a feeding bin material level meter;
when the material level height of the feeding bin is lower than the standard value of the material level height of the feeding bin, the indicating signal of the traffic signal lamp of the feeding platform indicates green, and the feeding truck is allowed to enter the feeding platform for feeding;
when the material level height of the feeding bin is equal to or greater than the standard value of the material level height of the feeding bin, the indicating signal of the traffic signal lamp of the feeding platform indicates red, the feeding truck is not allowed to enter the feeding platform, and the feeding truck entering the feeding platform stops feeding.
Further, it is preferable that the step of adjusting the discharging speed of the discharging belt according to the level height of the discharging bin includes:
detecting the material level height of the discharging bin through a discharging bin material level meter;
when the material level height of the discharging bin is lower than a preset low value of the material level of the discharging bin, performing low material level alarm, and driving a motor to decelerate by a chain discharging belt until the material level height of the discharging bin is increased;
when the material level height of the material discharging bin is higher than a preset material level high value of the material discharging bin, performing high material level alarm, and driving a motor to accelerate by a chain material discharging belt until the material level height of the material discharging bin is reduced;
when the material level height of the material discharging bin is higher than the preset material level high value of the material discharging bin, ultrahigh material level alarming is carried out, and the crusher is triggered to stop until the material level height of the material discharging bin is reduced to the preset material level high value of the material discharging bin.
The invention also comprises a coarse crushing integrated control system, which applies the coarse crushing integrated control method and comprises a feeding control unit, a discharging control unit and an iron removal control unit;
the feeding control unit is used for adjusting an indicating signal of a traffic signal lamp of the feeding platform according to the material level height of the feeding bin, and the feeding truck feeds ore to the feeding bin or stops feeding ore according to the indicating signal;
the discharging control unit is used for adjusting the discharging speed of the discharging belt according to the material level height of the discharging bin;
the iron removal control unit is used for adjusting the action of a plow discharger arranged in the conveying direction of the discharging belt according to whether an iron device exists on the discharging belt or not so as to remove the iron device in the material on the discharging belt; wherein the content of the first and second substances,
when an ironware is detected in the material on the discharging belt, triggering the plow discharger to press the material on the discharging belt, and enabling the ironware on the discharging belt to enter the receiving hopper through a discharging opening of the plow discharger; and when the ironware enters the receiving hopper, triggering the plow discharger to separate from the discharging belt.
Further, preferably, the device also comprises a massive material crushing control unit, wherein the massive material crushing control unit is used for acquiring video images of materials in the feeding bin through a camera arranged on the feeding bin; judging whether a feeding bin has large materials or not according to the obtained video image; when large materials exist, the breaking hammer is triggered to break the large materials.
Further, preferably, the dust removal control unit is further included, and is used for detecting the material level height of the feeding bin through a feeding bin material level meter; when the material level of the feeding bin continuously rises, the spray head arranged at the top of the feeding bin is triggered to perform spray dust removal.
Further, preferably, the material discharge control unit comprises a low-level alarm module, a high-level alarm module and an ultrahigh-level alarm module; wherein the content of the first and second substances,
the low-level alarm module is used for detecting the material level height of the discharging bin through a material level meter of the discharging bin; when the material level height of the material discharging bin is lower than a preset low value of the material level of the material discharging bin, performing low material level alarm, and driving a motor to decelerate by a chain material discharging belt until the material level height of the material discharging bin rises;
the high-level alarm module is used for carrying out high-level alarm when the material level of the material discharging bin is higher than a preset high-level value of the material level of the material discharging bin, and the chain material discharging belt drives the motor to accelerate until the material level of the material discharging bin is reduced;
and the ultrahigh level alarm module is used for alarming at ultrahigh level when the material level of the material discharging bin is higher than a preset ultrahigh level value of the material level of the material discharging bin, and triggering the crusher to stop until the material level of the material discharging bin is reduced to the preset ultrahigh level value of the material level of the material discharging bin.
As described above, the coarse crushing integrated control system and method of the present invention have the following beneficial effects:
1. through the mutual cooperation of feeding control, discharging control, bulk crushing control, dust removal control and iron removal control, the automation degree of the semi-mobile crushing station is improved, and therefore the production efficiency of the whole concentrating mill is improved;
2. through the settings of automatic feeding and discharging, automatic dust removal, automatic iron removal and the like, the use of field workers is reduced, the labor cost is saved, and the health of field workers is guaranteed;
3. the large material is crushed in time by setting the large material crushing control; the situation that large materials are accumulated in the feeding bin for a long time and need to be cleaned manually at regular time, and the overall working efficiency of the semi-mobile crushing station is reduced is avoided;
4. through setting up the deironing control, do not need to arrange the material belt in the deironing link and shut down, when guaranteeing the deironing effect, guaranteed crushing operation's continuity, effectively reduced follow-up crushing equipment's the bad probability of crossing iron.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic view of a scenario of a coarse-break integrated control method according to an embodiment of the present invention;
wherein, 1, a feeding bin; 2. A traffic light; 3. A delivery truck; 4. a spray head; 5. a water inlet main pipe; 6. a switching valve of a water inlet main pipe; 7. a camera; 8. a breaking hammer; 9. a feed bin level meter; 10. a material level meter of a material discharge bin; 11. a discharge belt; 12. a discharge belt driving motor; 13. a first metal detector; 14. a plow discharger; 15. a second metal detector; 16. a receiving hopper; 17. a material discharging bin; 18. a crusher; 19. the crusher drives a motor.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
The semi-mobile crushing station feeds ores to a feeding bin through an ore feeding truck, then materials in the feeding bin enter a discharging bin after entering a crusher for crushing, and the materials in the discharging bin are conveyed to the next link through a discharging belt.
According to the coarse crushing integrated control system and method, the feeding control link, the discharging control link, the large block crushing control link, the dust removal control link and the iron removal control link are matched with one another, so that the automation degree of the semi-mobile crushing station is improved, and the production efficiency of the whole concentrating mill is improved.
Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 illustrates a scenario of the coarse integration control method as a whole. Specifically, fig. 1 is a scene diagram of a coarse fragmentation integrated control method according to an embodiment of the present invention; as shown in the figure 1 of the drawings,
a coarse crushing integrated control system comprises a feeding control unit, a discharging control unit and an iron removal control unit;
and the feeding control unit is used for adjusting the indicating signal of the traffic signal lamp 2 of the feeding platform according to the material level height of the feeding bin 1, and the feeding card 3 feeds ore to the feeding bin 1 or stops feeding ore according to the indicating signal. Specifically, the feeding control unit includes a feeding bin level gauge 9, a feeding truck, and a traffic light 2. Detecting the material level height of the feeding bin 1 through a feeding bin material level meter 9; when the material level height of the feeding bin 1 is lower than the standard value of the material level height of the feeding bin, the indicating signal of the traffic signal lamp 2 of the feeding platform indicates green, and the feeding truck 3 is allowed to enter the feeding platform for feeding;
when the material level height of the feeding bin 1 is equal to or greater than the standard value of the material level height of the feeding bin (such as 90% -95% of the full bin maximum height), the indicating signal of the traffic signal lamp 2 of the feeding platform indicates red, the feeding truck 3 is not allowed to enter the feeding platform, and the feeding truck 3 entering the feeding platform stops feeding. That is, the high-level alarm signal of the feeding bin level meter 9 is linked with the indication signal of the traffic light 2, and when the high-level alarm signal is triggered, the indication signal of the traffic light displays red in a linkage manner, so that the vehicle feeding and the ore feeding are not allowed. When the high-level alarm signal is not triggered, the indicating signal of the traffic signal lamp displays green in a linkage mode, and vehicle entering and ore feeding are allowed. It should be noted that the standard value of the material level height of the feeding bin is specifically set according to a specific implementation scenario. In a word, the signal control of the traffic signal lamp for the ore feeding truck and the feeding operation is realized through the linkage of the high material level alarm of the traffic signal lamp 2 and the feeding bin 1, the ordered feeding is realized while the feeding bin is prevented from overflowing, and the mode of the traffic signal lamp signal is consistent with the principle of the existing traffic signal, thereby being beneficial to the operation of a driver.
A discharging control unit for adjusting the discharging speed of the discharging belt 11 according to the material level height of the discharging bin 17.
The discharging control unit comprises a low-level alarm module, a high-level alarm module and an ultrahigh-level alarm module; the low-level alarm module is used for detecting the material level height of the discharging bin 17 through the discharging bin material level meter 10; when the material level height of the discharging bin 17 is lower than a preset low value of the material level of the discharging bin, performing low material level alarm, and driving the motor 12 to decelerate by the chain discharging belt until the material level height of the discharging bin 17 rises; the high-level alarm module is used for giving a high-level alarm when the material level of the discharging bin 17 is higher than a preset high-level value of the material level of the discharging bin, and the chain discharging belt drives the motor 12 to accelerate until the material level of the discharging bin 17 is reduced; and the ultrahigh position alarm module is used for alarming at ultrahigh material position when the material level height of the material discharging bin 17 is higher than a preset ultrahigh position value of the material level of the material discharging bin, and triggering the crusher 18 to stop until the material level height of the material discharging bin 17 is reduced to the preset ultrahigh position value of the material level of the material discharging bin. In the specific implementation process, the preset low value, the preset high value and the preset ultrahigh value of the material level of the material discharging bin are set according to actual needs. In a specific embodiment, the preset low level value of the material level of the material discharging bin is 0.5 to 1 meter from the bottom of the bin, the preset high level value of the material level of the material discharging bin is 1 to 2 meters from the top of the bin, and the preset ultrahigh level value of the material level of the material discharging bin is 0.5 to 1 meter from the top of the bin.
Specifically, the discharging control unit includes a discharging bin level gauge 10, a discharging belt 11, a discharging belt driving motor 12, a crusher 18, and a crusher driving motor 19. The discharging bin is provided with a low material level alarm, a high material level alarm and an ultrahigh material level alarm, wherein low material level alarm signals and high material level alarm signals are automatically interlocked with variable frequency signals of a discharging belt driving motor 12; and the ultra-high level alarm signal is interlocked with the start-stop signal of the crusher driving motor 19. When the low material level of the discharging bin alarms, the discharging belt drives the motor 12 to reduce the frequency in a linkage manner until the material level of the discharging bin rises, and the alarm is relieved; when the high material level of the material discharging bin is alarmed, the material discharging belt drives the motor 12 to increase the frequency in a linkage manner until the material level of the material discharging bin is reduced, and the alarm is relieved; when the material discharging bin is over high in material level and gives an alarm, the driving motor 19 of the crusher is stopped in a chain mode until the material level of the material discharging bin is lowered, and the alarm is relieved.
In conclusion, through the material discharging control link, when the material discharging bin is at a low material level, the automatic linkage material discharging belt drives the motor to perform frequency conversion and speed increase, so that the material discharging speed is increased, and the damage to equipment caused by the material directly hitting the wall of the material discharging bin and the material discharging belt conveyor is effectively avoided when the material discharging bin is emptied. When arranging the high material level in bin, automatic chain row material belt drive motor frequency conversion speed reduction to reduce row material speed, effectually prevented to arrange that the bin material level continues to rise and triggers the frequency of the warning of superelevation material level. Effectively prevent to arrange the emergence of material storehouse and emit the storehouse phenomenon, and then protect half broken station that removes. When arranging the material storehouse ultrahigh material level (if arrange the damage of material belt drive motor frequency conversion system, under the scene of the chain frequency conversion function loss of high material level warning) automatic chain coarse crusher 18 stops to the prevention breaker is arranged the material, thereby has effectually prevented to arrange the extrusion of material to the breaker when the material storehouse material is piled up, the effectual breaker that has protected.
The iron removal control unit is used for adjusting the action of a plow discharger 14 arranged in the conveying direction of the discharging belt according to whether an iron device exists on the discharging belt 11 or not so as to remove the iron device in the material on the discharging belt 11; when detecting that ironware exists in the materials on the discharge belt 11, triggering the plow discharger 14 to press the discharge belt 11, and enabling the ironware on the discharge belt 11 to enter the receiving hopper 16 through a discharge opening of the plow discharger 14; when the ironer enters the receiving hopper 16, the plow 14 is triggered to disengage the discharge belt 11. Specifically, the iron removal control unit comprises a first metal detector 13, a second metal detector 15, a plow discharger 14 and a receiving hopper 16. It should be noted that the drive motor of the plow 14 is a reversible motor. The receiving hopper 16 is the receiving hopper of the plow 14. Wherein the first metal detector and the plow 14 are arranged in sequence in the conveying direction of the discharge belt, but the distance between the two is 10-15m.
When the preposed metal detector I13 detects that ironware exists in the materials on the discharging belt 11, triggering the motor of the plow discharger 14 to rotate forwards, pressing the plow discharger 14 to the discharging belt 11, and enabling the ironware on the discharging belt 11 to enter the receiving hopper 16 of the plow discharger 14 through the discharging opening of the plow discharger 14; when the rear metal detector II 15 detects that the ironware enters the receiving hopper 16, the motor of the plow discharger 14 is triggered to rotate reversely, and the plow discharger 14 is separated from the discharging belt 11. Specifically, the presence or absence of ironware on the discharge belt 11 is detected by a metal detector-13 provided in the conveying direction on the discharge belt 11; whether ironware enters the receiving hopper 16 or not is detected by a second metal detector 15 arranged in the receiving hopper 16.
In conclusion, before the material is fed into the lower section through the discharging belt 11 and crushed, the iron is detected by the first metal detector 13 through the iron removal control system to give an alarm in advance, the plow discharger 14 removes iron according to the alarm, and the second metal detector 15 detects whether the iron is removed; the control logic is reasonable and complete, the shutdown of the discharging belt 11 is not needed during iron removal, the influence on the crushing of the section is avoided while the iron removal effect is ensured, and the occurrence of the iron-passing damage phenomenon of the subsequent crushing facility is effectively prevented.
In a specific embodiment, the device further comprises a massive material crushing control unit, wherein the massive material crushing control unit is used for acquiring a video image of the material in the feeding bin through a camera 7 arranged on the feeding bin; judging whether a feeding bin has large materials or not according to the acquired video image; when large materials exist, the breaking hammer 8 is triggered to break the large materials. Wherein, the big block material crushing control unit comprises a camera 7 and a breaking hammer 8. In a specific implementation process, a video signal of the camera 7 is connected with a display screen of a control room, and an operation signal of the breaking hammer 8 is connected with a control box of the control room. The control room can remotely and manually select large ores according to the video pictures, and the crushing operation of the crushing hammer is completed through a control button of the control box. As an improvement of this embodiment, a machine learning-based bulk material screening model may also be used to automatically complete screening of bulk materials in the video image, and when the size of the material in the video image exceeds a preset threshold, a bulk material alarm is triggered, so as to chain the hammer 8 to perform a crushing operation. The model for screening the size of the object in the picture based on the machine learning is a mature machine learning technology, and the specific implementation mode is not repeated again.
In a word, through a large material crushing control link, oversized large materials with the granularity exceeding the maximum feeding size of the crusher are selected and are crushed into small blocks by operating the crushing hammer in time. The long-term accumulation of the oversize material that can not be broken in the feed bin is effectually avoided, until piling up, finally need the emergence of the condition of manual removal. And further, the working efficiency of mechanical crushing is improved, and the continuous production and the capacity of crushing equipment are guaranteed.
In a specific embodiment, the device also comprises a dust removal control unit for detecting the material level height of the feeding bin through a feeding bin material level gauge 9; when the material level of the feeding bin 1 continuously rises, the spraying head 4 arranged at the top of the feeding bin 1 is triggered to perform spraying dust removal. Wherein, the dust removal control unit comprises a feeding bin level gauge 9, a spray head 4, a water inlet main pipe 5 and a water inlet main pipe switch valve 6. Wherein, the spray head 4 is arranged on the non-feeding side of the feeding bin top platform and is uniformly arranged at intervals of 200-500 mm. Specifically, the continuous rising signal of the material level of the feed bin 1 of the feed bin level gauge 9 is linked with the electric switch signal of the water inlet main switch valve 6. If the feeding bin level meter 9 detects that the feeding bin level continuously rises, the water inlet main pipe switch valve 6 is automatically and interlockingly opened, water enters the spray head 4 from the water inlet main pipe 5, the spray head 4 carries out spray dust removal, and the water inlet main pipe switch valve 6 is automatically and interlockingly closed after the water inlet main pipe switch valve 6 is continuously opened for 20-30 seconds again until the feeding bin level meter 9 detects that the feeding bin level is unchanged or falls. In a word, through setting up the dust removal control link, the material storehouse is judged to be in the material receiving state through the continuous rising of feeding storehouse material level, and the water inlet main pipe ooff valve 6 of nozzle is opened in the lock and is removed dust to still delay spraying 20-30 seconds after the material level descends the feed, ensured dust removal effect.
In conclusion, through the setting of automatic feeding, discharging, automatic dust removal, automatic iron removal and other control links, the use of site workers is reduced, the labor cost is saved, the construction environment is improved, and the body health of site workers is guaranteed.
Specifically, the invention also provides a coarse crushing integrated control method, which comprises the following steps: steps S1-S3.
S1, adjusting an indicating signal of a traffic signal lamp of a feeding platform according to the material level height of the feeding bin 1, and feeding ore to the feeding bin 1 or stopping feeding ore by the feeding truck 3 according to the indicating signal.
In the step of adjusting the indication signal of the traffic signal lamp 2 of the vehicle-entering platform according to the material level height of the feeding bin 1 and feeding the ore to the feeding bin or stopping feeding the ore by the ore feeding truck 3 according to the indication signal, the specific method comprises the following steps: detecting the material level height of the feeding bin 1 through a feeding bin material level meter 9;
s11, when the material level height of the feeding bin 1 is lower than a standard value of the material level height of the feeding bin, indicating signals of the traffic signal lamps 2 of the feeding platform indicate green, and the feeding truck 3 is allowed to enter the feeding platform to feed;
s12, when the material level height of the feeding bin 1 is equal to or larger than the standard value of the material level height of the feeding bin, the indicating signal of the traffic signal lamp 2 of the feeding platform indicates red, the feeding truck 3 is not allowed to enter the feeding platform, and the feeding truck which enters the feeding platform stops feeding.
After the steps of adjusting the indication signal of the traffic signal lamp 2 of the feeding platform according to the material level height of the feeding bin 1 and feeding ore to the feeding bin or stopping feeding ore by the feeding truck 3 according to the indication signal, the method also comprises a large block material crushing control method, and the specific steps of the large block material crushing control method comprise:
a video image of the material in the feeding bin is obtained through a camera 7 arranged on the feeding bin 1;
judging whether a large material exists in the feeding bin 1 or not according to the obtained video image;
when large materials exist, the breaking hammer 8 is triggered to break the large materials.
The method also comprises a dust removal control method, and the dust removal control method comprises the following specific steps:
detecting the material level height of the feeding bin 1 through a feeding bin material level meter 9;
when the material level of the feeding bin 1 continuously rises, the spraying head 4 arranged at the top of the feeding bin is triggered to perform spraying and dust removal.
S2, adjusting the discharging speed of the discharging belt 11 according to the material level height of the discharging bin 17.
In the step of adjusting the discharging speed of the discharging belt according to the material level height of the discharging bin 17, the specific method comprises the following steps:
detecting the material level height of a discharging bin 17 through a discharging bin material level meter 10;
s21, when the material level height of the material discharging bin 17 is lower than a preset low value of the material level of the material discharging bin, performing low material level alarm, and driving a motor to decelerate by the interlocking material discharging belt 11 until the material level height of the material discharging bin 17 rises;
s22, when the material level height of the discharging bin 17 is higher than a preset material level value of the discharging bin, performing high material level alarm, and driving the motor 12 to accelerate by using a chain discharging belt until the material level height of the discharging bin 17 is reduced;
and S23, when the material level height of the material discharging bin 17 is higher than the preset material level high value of the material discharging bin, performing ultrahigh material level alarm, and triggering the crusher 18 to stop until the material level height of the material discharging bin 17 is reduced to the preset material level high value of the material discharging bin.
S3, adjusting the action of a plow discharger 14 arranged in the conveying direction of the discharge belt 11 according to whether ironware exists on the discharge belt 11 or not so as to remove the ironware in the material on the discharge belt 11; wherein the content of the first and second substances,
when detecting that ironware exists in the materials on the discharge belt 11, triggering the plow discharger 14 to press the discharge belt 11, and enabling the ironware on the discharge belt 11 to enter the receiving hopper 16 through a discharge opening of the plow discharger 14; when the ironer enters receiving hopper 16, plow 14 is triggered to disengage from discharge belt 11. Specifically, the presence or absence of ironware on the discharge belt 11 is detected by a metal detector one 13 provided in the conveying direction on the discharge belt 11; whether ironware enters the receiving hopper 16 or not is detected through a second metal detector 15 arranged in the receiving hopper.
For details of the implementation of the rough-crushing integrated control method, reference is made to the rough-crushing integrated control system, which is not described again.
In conclusion, the invention relates to a coarse crushing integrated control system and a coarse crushing integrated control method, signal control of a traffic signal lamp for ore feeding trucks and feeding operation is realized through linkage of a traffic signal lamp 2 and high material level alarm of a feeding bin 1, ordered feeding is realized while bin overflowing of the feeding bin is avoided, and the mode of the traffic signal lamp signal is consistent with the principle of the conventional traffic signal, so that the operation of a driver is facilitated. Through the material discharging control link, when the material level of the material discharging bin is low, the automatic chain material discharging belt drives the motor to perform frequency conversion and speed increase, so that the material discharging speed is increased, and the material is directly smashed to the wall of the material discharging bin and the damage of the material discharging belt conveyor to equipment when the material discharging bin is effectively prevented from being discharged. When arranging the high material level in bin, automatic chain row material belt drive motor frequency conversion speed reduction to reduce row material speed, effectually prevented to arrange that the bin material level continues to rise and triggers the frequency of the warning of superelevation material level. Effectively prevent to arrange the emergence of storehouse and emit the storehouse phenomenon, and then protect half broken station that removes. When the discharging bin is at an ultrahigh material level (such as when a frequency conversion system of a driving motor of a discharging belt is damaged and the high material level alarm chain frequency conversion function is lost), the automatic chain coarse crusher 18 stops, so that the discharging of the crusher is stopped, the crushing of the crushed material to the crusher when the discharging bin is full of the material is effectively prevented, and the crusher is effectively protected; before the material is fed into the lower section through the discharging belt 11 and crushed, an iron removal control system is adopted, a first metal detector 13 is adopted to detect iron and give an alarm in advance, a plow discharger 14 removes iron according to the alarm, and a second metal detector 15 detects whether the iron is removed; the control logic is reasonable and complete, the shutdown of the discharging belt 11 is not needed during iron removal, the iron removal effect is ensured, the influence on the crushing is avoided at the same time, and the iron-passing damage phenomenon of subsequent crushing facilities is effectively prevented; through a large material crushing control link, selecting an oversize large material with the granularity exceeding the maximum feeding size of the crusher, and timely operating the crushing hammer to crush the material into small blocks. The long-term accumulation of the too big material that can not be broken in the feed bin is effectually avoided, until piling up, the emergence of the condition that finally needs the manual work to clear away. The working efficiency of mechanical crushing is further improved, and the continuous production and the capacity of crushing equipment are guaranteed; the technical effects of reducing the use of site workers, improving the construction environment and improving the working efficiency of the crushing station are achieved.
However, it will be appreciated by those skilled in the art that various modifications may be made to the coarse integrated control system and method provided in the invention without departing from the scope of the invention. Accordingly, the scope of the invention should be determined from the content of the appended claims.
Claims (9)
1. A coarse crushing integrated control method is characterized by comprising the following steps:
adjusting an indicating signal of a traffic signal lamp of the feeding platform according to the material level height of the feeding bin, and feeding ore to the feeding bin or stopping feeding ore by the feeding truck according to the indicating signal;
adjusting the discharging speed of the discharging belt according to the material level height of the discharging bin; wherein, the material level height of the material discharging bin is detected by a material level meter of the material discharging bin; when the material level height of the material discharging bin is lower than a preset low value of the material level of the material discharging bin, performing low material level alarm, and driving a motor to decelerate by a chain material discharging belt until the material level height of the material discharging bin rises; when the material level height of the discharging bin is higher than a preset material level value of the discharging bin, performing high material level alarm, and driving a motor to accelerate by a chain discharging belt until the material level height of the discharging bin is reduced; when the material level height of the material discharging bin is higher than a preset ultrahigh value of the material level of the material discharging bin, performing ultrahigh material level alarm, and triggering a crusher to stop the crusher until the material level height of the material discharging bin is reduced to the preset ultrahigh value of the material level of the material discharging bin;
adjusting the action of a plow discharger arranged in the conveying direction of the discharging belt according to whether an ironware exists on the discharging belt so as to remove the ironware in the materials on the discharging belt; wherein the content of the first and second substances,
when an ironware is detected in the material on the discharging belt, triggering the plow discharger to press the ironware to the discharging belt, and enabling the ironware on the discharging belt to enter a receiving hopper through a discharging opening of the plow discharger; and after the ironware enters the receiving hopper, triggering the plow discharger to separate from the discharging belt.
2. The integrated coarse crushing control method according to claim 1, wherein after the step of adjusting the indication signal of the traffic signal lamp of the feeding platform according to the material level height of the feeding bin and feeding the ore to the feeding bin or stopping the feeding of the ore to the feeding truck according to the indication signal, the integrated coarse crushing control method further comprises a step of controlling crushing of large materials, and the step of controlling crushing of large materials comprises the following steps:
acquiring a video image of the material in the feeding bin through a camera arranged on the feeding bin;
judging whether a feeding bin has large materials or not according to the video image;
and when the large materials exist, triggering a breaking hammer to break the large materials.
3. The integrated coarse crushing control method according to claim 1, further comprising a dust removal control step, wherein the dust removal control step comprises:
detecting the material level height of a feeding bin through a feeding bin material level meter; when the feeding truck feeds ores to the feeding bin, the material level of the feeding bin continuously rises, the spraying head arranged at the top of the feeding bin is triggered to carry out spraying dust removal, and the spraying dust removal is closed after the spraying dust removal continues to work for 20-30 seconds until the material level of the feeding bin is detected by the material level gauge of the feeding bin to be unchanged or falls.
4. The integrated coarse crushing control method according to claim 1,
detecting whether ironware exists on the discharging belt through a first metal detector arranged on the discharging belt in the conveying direction;
whether an ironware enters the receiving hopper is detected through a second metal detector arranged in the receiving hopper.
5. The coarse crushing integrated control method according to claim 1,
in the step of adjusting the indication signal of the traffic signal lamp of the feeding platform according to the material level height of the feeding bin and feeding ore to the feeding bin or stopping feeding ore by the feeding truck according to the indication signal, the method comprises the following steps:
detecting the material level height of the feeding bin through a feeding bin material level meter;
when the material level height of the feeding bin is lower than the standard value of the material level height of the feeding bin, an indicating signal of a traffic signal lamp of the feeding platform indicates green, and a feeding truck is allowed to enter the feeding platform for feeding;
when the material level height of the feeding bin is equal to or greater than the standard value of the material level height of the feeding bin, the indicating signal of the traffic signal lamp of the feeding platform indicates red, the feeding truck is not allowed to enter the feeding platform, and the feeding truck entering the feeding platform stops feeding.
6. A coarse crushing integrated control system, which is characterized in that the coarse crushing integrated control method of claim 1 is applied, and comprises a feeding control unit, a discharging control unit and an iron removal control unit;
the feeding control unit is used for adjusting an indicating signal of a traffic signal lamp of the feeding platform according to the material level height of the feeding bin, and the feeding truck feeds ore to the feeding bin or stops feeding ore according to the indicating signal;
the discharging control unit is used for adjusting the discharging speed of the discharging belt according to the material level height of the discharging bin;
the iron removal control unit is used for adjusting the action of a plow discharger arranged in the conveying direction of the discharging belt according to whether an iron device exists on the discharging belt or not so as to remove the iron device in the material on the discharging belt; wherein, the first and the second end of the pipe are connected with each other,
when an ironware is detected in the material on the discharging belt, triggering the plow discharger to press the discharging belt, and enabling the ironware on the discharging belt to enter a receiving hopper through a discharging opening of the plow discharger; and after the ironware enters the receiving hopper, triggering the plow discharger to separate from the discharging belt.
7. The integrated coarse crushing control system according to claim 6, further comprising a large material crushing control unit for acquiring a video image of the material in the feeding bin through a camera arranged on the feeding bin; judging whether a feeding bin has large materials or not according to the obtained video image; when large materials exist, the breaking hammer is triggered to break the large materials.
8. The coarse crushing integrated control system according to claim 6,
the dust removal control unit is used for detecting the material level height of the feeding bin through a feeding bin material level meter; when the material level of the feeding bin continuously rises, the spraying head arranged at the top of the feeding bin is triggered to perform spraying and dust removal.
9. The integrated coarse crushing control system according to claim 6, wherein the discharging control unit comprises a low-level alarm module, a high-level alarm module and an ultrahigh-level alarm module; wherein, the first and the second end of the pipe are connected with each other,
the low-level alarm module is used for detecting the material level height of the discharging bin through the discharging bin material level meter; when the material level height of the material discharging bin is lower than a preset low value of the material level of the material discharging bin, performing low material level alarm, and driving a motor to decelerate by a chain material discharging belt until the material level height of the material discharging bin rises;
the high-level alarm module is used for performing high-level alarm when the material level height of the material discharging bin is higher than a preset high-level value of the material level of the material discharging bin, and the interlocking material discharging belt drives the motor to accelerate until the material level height of the material discharging bin is reduced;
and the ultrahigh position alarm module is used for performing ultrahigh material level alarm when the material level height of the material discharging bin is higher than a preset ultrahigh position value of the material level of the material discharging bin, and triggering the crusher to stop until the material level height of the material discharging bin is reduced to the preset high position value of the material level of the material discharging bin.
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| CN201350415Y (en) * | 2008-12-24 | 2009-11-25 | 鞍山市东升机械设备制造有限公司 | Split seat type semi-mobile crushing and screening plant device |
| CN101936658A (en) * | 2010-09-17 | 2011-01-05 | 中冶北方工程技术有限公司 | Novel discharging process of pellet circular cooler |
| CN104627693A (en) * | 2013-11-08 | 2015-05-20 | 山东省冶金设计院股份有限公司 | Feeding and discharging system for stock bins |
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| CN104226451A (en) * | 2014-09-18 | 2014-12-24 | 中冶北方（大连）工程技术有限公司 | Crushing station feeding and discharging system for large-scale ore dressing plant |
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