CN112573246B - Dust collecting device, material processing system and dust collecting method - Google Patents
Dust collecting device, material processing system and dust collecting method Download PDFInfo
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- CN112573246B CN112573246B CN202011375212.XA CN202011375212A CN112573246B CN 112573246 B CN112573246 B CN 112573246B CN 202011375212 A CN202011375212 A CN 202011375212A CN 112573246 B CN112573246 B CN 112573246B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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Abstract
The invention provides a dust collecting device, a material processing system and a dust collecting method. Dust arrester installation is applied to material processing system, and material processing system includes the feed bin, and the feed bin is used for the storage to treat the material of processing, and dust arrester installation includes: the first detection device is used for detecting the load before feeding and the load after feeding of a loading vehicle for conveying materials to the storage bin; the dust collecting assembly is used for collecting dust; and the controller is respectively in communication connection with the first detection device and the dust collection assembly and is used for obtaining detection results according to the load before feeding and the load after feeding and controlling the dust collection assembly according to the detection results. The invention can match the dust collecting operation of the dust collecting component with the actual feeding condition of the material processing system, protect the material processing system, reduce the vibration frequency of the dust collecting component and the material processing system, improve the service life of the material processing system and the dust collecting component therein, realize automatic dust collecting control and reduce the phenomenon of dust pollution.
Description
Technical Field
The invention relates to the technical field of dry powder stations, in particular to a dust collecting device, a material processing system and a dust collecting method.
Background
In the related art of the dry powder station, a dust collecting device is required to collect dust for a storage bin and/or a feeding belt of the dry powder station.
One of the disadvantages of the related art is that the dust collecting apparatus performs unnecessary dust collecting operations, and thus unnecessary vibration of the related equipment in the dry powder station is generated.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems.
Therefore, the first purpose of the invention is to provide a dust collecting device.
A second object of the present invention is to provide a material processing system.
The third purpose of the invention is to provide a dust collecting method.
In order to achieve the first object of the present invention, the technical solution of the present invention provides a dust collecting apparatus, which is applied to a material processing system, wherein the material processing system comprises a bin, the bin is used for storing a material to be processed, and the dust collecting apparatus comprises: the first detection device is used for detecting the load before feeding and the load after feeding of a loading vehicle for conveying materials to the storage bin; the dust collecting component is used for collecting dust; and the controller is respectively in communication connection with the first detection device and the dust collection assembly and is used for obtaining detection results according to the load before feeding and the load after feeding and controlling the dust collection assembly according to the detection results.
The controller of the technical scheme is in communication connection with the first detection device and the dust collection assembly respectively, so that the dust collection assembly is controlled according to information or data obtained by the first detection device, the dust collection assembly can perform operation or action adaptive to the unloading condition of the loading vehicle, unnecessary dust collection processing of the dust collection assembly is avoided, the vibration frequency of relevant equipment in the material processing system is reduced, and the purpose of protecting the material processing system is achieved. In addition, the technical scheme can prolong the service life of the material processing system and the dust collection assembly therein, realize automatic dust collection control and reduce the phenomenon of dust pollution.
In addition, the technical solution provided by the above technical solution of the present invention may further have the following additional technical features:
in the above technical solution, the first detection device includes a signal detection sensor, and the signal detection sensor is disposed on the ground or below the ground and arranged on a traveling path of the loading vehicle.
The signal detection sensor arranged on the ground can quickly and accurately detect the load change of the loading vehicle, and the signal detection sensor is simple in structure and low in cost.
In any one of the above technical solutions, the dust collecting apparatus further includes: one or more second detection devices, wherein the second detection devices are used for detecting the receiving condition of the storage bin; the controller is used for carrying out correct and incorrect verification on the detection result according to the material receiving condition and obtaining a verification result, the detection result is correct based on the verification result, and the controller controls the dust collection assembly according to the detection result.
The technical scheme adopts the information or data obtained by the second detection device to carry out the correct and wrong verification on the detection result obtained according to the information or data obtained by the first detection device. And based on the verification result, the detection result is correct, namely: the controller controls the dust collection component to collect dust only when the material is really received in the storage bin.
In any of the above technical solutions, the second detecting device includes at least one of the following or a combination thereof: the device comprises an image acquisition device, an infrared sensor, an obstacle detection device, a proximity switch, a rotation-resistant level indicator and a continuous level indicator.
The device can accurately collect the actual material receiving condition of the storage bin so as to improve the accuracy of dust collection assembly control.
Among any one of the above-mentioned technical scheme, dust arrester installation still includes: one or more third detection devices for detecting the material level height of the storage bin; wherein, the controller is used for controlling the dust collecting assembly according to the material level height.
The third detection device is used for judging the amount of the materials in the bin. Wherein, so that the controller is according to the actual level condition control dust collection subassembly of feed bin. When the material level in the material bin is too low, dust is not collected, so that the aims of further avoiding unnecessary dust collection processing of the dust collection assembly and further avoiding frequent vibration of related equipment in the material processing system are fulfilled.
To achieve the second object of the present invention, the technical solution of the present invention provides a material processing system, including: the storage bin is used for storing materials to be processed; according to the dust collecting device in any technical scheme, the dust collecting device is used for collecting dust generated by materials.
The material processing system of the technical scheme comprises the dust collecting device of any technical scheme of the invention, so that the material processing system has all the beneficial effects of the dust collecting device of any technical scheme of the invention.
In order to achieve the third object of the present invention, a technical solution of the present invention provides a dust collecting method, which is applied to a dust collecting apparatus according to any one of the technical solutions of the present invention, and the dust collecting method includes: the first detection device detects the position and the unloading process of the loading vehicle to obtain a detection result; and controlling the dust collection assembly to be opened by the controller based on the detection result that the loading vehicle is positioned in the discharging area and finishes discharging.
The dust collecting method according to the present invention is applied to the dust collecting apparatus according to any one of the aspects of the present invention, and therefore has all the advantageous effects of the dust collecting apparatus according to any one of the aspects of the present invention.
Among the above-mentioned technical scheme, first detection device detects the position of loading vehicle and the process of unloading, obtains the testing result, specifically includes: the first detection device detects whether a loading vehicle appears in the unloading area; and detecting and obtaining a difference value between the load after the loading of the loading vehicle and the load before the loading based on the occurrence of the loading vehicle in the unloading area by the first detection device.
When the first detection device detects that the loading vehicle appears in the unloading area, the first detection device further detects the load change of the loading vehicle, and accordingly obtains a difference value between the load of the loading vehicle after the loading vehicle is fed and the load of the loading vehicle before the loading vehicle is fed, and the difference value can represent or measure whether the loading vehicle finishes unloading and the specific unloading amount. Therefore, the technical scheme can enable the dust collecting device to collect dust which is adaptive to the actual discharging condition according to the actual discharging condition.
In any of the above technical solutions, based on the difference value being greater than or equal to the difference threshold, it is determined that the detection result is that the loading vehicle completes unloading; and judging that the detection result is that the loading vehicle does not finish unloading based on the difference value being smaller than the difference threshold value.
When the difference value between the load after feeding and the load before feeding reaches a certain degree, the fact that the loading vehicle conveys materials to the storage bin is indicated, and at the moment, the dust collection component needs to be controlled to collect dust. When the difference between the load after feeding and the load before feeding does not reach the necessary degree, indicating that the loading wagon has carried a small amount of material or has not carried material to the silo, the dust collection assembly needs to be controlled to be shut down to avoid unnecessary vibration of the material processing system.
In any of the above technical solutions, after the first detecting device is executed to detect the position and the unloading process of the loading vehicle and obtain a detection result, the dust collecting method further includes: the second detection device detects the material receiving condition of the storage bin; and the controller performs correct and error check on the detection result according to the receiving condition.
And the controller controls the dust collection component to collect dust only if the detection result is positive based on the verification result. From this, this technical scheme can improve the degree of accuracy to the subassembly control that gathers dust.
Among the above-mentioned any technical scheme, the controller carries out the check-up of just mistake to the testing result according to receiving the material condition, specifically includes: judging whether the result of the positive and negative check is correct or not based on the fact that the receiving condition is that the bin receives the materials; and judging that the result of the correct and wrong verification is a detection result error based on the condition that the material is not received by the bin.
In this technical scheme, judge that receive the material condition and receive the material for the feed bin has received the material or the mode that the feed bin did not receive the material is the change condition or the change condition of height of material weight in detecting the feed bin.
In any of the above technical solutions, the dust collecting method further comprises: the third detection device detects the material level height of the storage bin; and the controller controls the dust collection component to collect dust based on the fact that the material level height is greater than or equal to the material level height threshold and the correct and incorrect verification result is that the detection result is correct.
The technical scheme aims to further avoid unnecessary dust collection processing of the dust collection assembly. When the material level of the bin is too low, dust collection processing is not needed, and when the bin really receives the material and the material level reaches a certain degree, the dust collection component is controlled to perform dust collection processing.
In any of the above technical solutions, the dust collecting method further comprises: and controlling the dust collection assembly to be started by the controller based on the fact that the loading vehicle is unloading.
This technical scheme carries out the in-process control dust collection component of unloading at the loading truck and opens to avoid unloading in-process raise dust, and further guarantee dust removal effect from this.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram schematically showing the composition of a dust collecting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a material processing system according to an embodiment of the present invention;
FIG. 3 is a block diagram illustrating the components of a material processing system in accordance with one embodiment of the present invention;
FIG. 4 is a flowchart illustrating steps of a dust collection method according to an embodiment of the present invention;
FIG. 5 is a second flowchart illustrating the steps of a dust collecting method according to an embodiment of the present invention;
FIG. 6 is a third flowchart illustrating the steps of a dust collecting method according to an embodiment of the present invention;
FIG. 7 is a flow chart of the fourth step of a dust collection method according to an embodiment of the present invention;
FIG. 8 is a flowchart illustrating the fifth step of a dust collecting method according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
100: material processing system, 110: loading vehicle, 120: stock bin, 130: transmission, 140: processing station, 150: first detection means, 160: dust collection assembly, 170: controller, 180: second detection means, 190: third detection device, 200: provided is a dust collecting device.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention, taken in conjunction with the accompanying drawings and detailed description, is set forth below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.
Example 1:
as shown in fig. 1, the present embodiment provides a dust collecting apparatus 200, and the dust collecting apparatus 200 is applied to a material processing system 100. As shown in fig. 2, the material processing system 100 includes a silo 120, the silo 120 being used to store material to be processed. The dust collecting apparatus 200 includes: one or more of a first detection device 150, a dust collection assembly 160, and a controller 170. The first detecting device 150 is used to detect the pre-feeding load and the post-feeding load of the loading wagon 110 that transports the material to the silo 120. The dust collection assembly 160 is used to collect dust. The controller 170 is in communication connection with the first detecting device 150 and the dust collecting assembly 160, and is configured to obtain a detection result according to the load before feeding and the load after feeding, and control the dust collecting assembly 160 according to the detection result.
The material processing system 100 of this embodiment is specifically a dry powder station, which is used for processing materials such as stirring and mixing. The loading cart 110 is used to transport materials. The silo 120 houses a hopper and a bin body for storing material. The material processing system 100 may further comprise an actuator 130, the actuator 130 being embodied as a belt, which in an operative state conveys material from the silo 120 to a processing station 140 of the material processing system 100. The processing station 140 is embodied as a mixing plant, which mixes the material. The material of this embodiment may specifically include materials for building construction such as sand, gravel, cement powder, and the like.
The dust collecting apparatus 200 of the present embodiment is used for collecting dust or dirt generated during the transportation or processing of materials by the material processing system 100. The dust collecting apparatus 200 performs dust collection by the dust collecting assembly 160 provided at the position of the driving apparatus 130 and/or the position of the hopper 120. For example, the dust collecting assembly 160 may work synchronously with the transmission 130 such as a belt and automatically collect dust, the dust collecting assembly 160 may be started immediately after the belt is started, the dust collecting assembly 160 may be controlled to be disconnected and stopped after a certain time delay, and the dust collecting assembly 160 may be controlled to be started again after a certain time delay, so as to ensure effective dust collection. By way of example again, the dust collection assembly 160 may collect dust from the bin 120 after the loading vehicle 110 loads the bin 120.
For the dust collection assembly in the related art, the action is similar to the manual dust collection treatment or the pulse dust collection treatment after the stirring station is grayed. The logic of manual dust collection for ash removal of the powder tank of the cement station is as follows: after the ash removal of the tank car is finished, manually starting a dust collection motor; and starting the motor, setting a time relay to be delayed and disconnected, and stopping dust collection. The principle of pulse dust collection is similar, except that a control circuit board is arranged in a dust collection assembly, and dust is intermittently and periodically removed according to the action condition of a dust collection motor in the dust removing process.
It can be seen that one of the problems with the dust collecting assembly of the related art is that the cart 110 is a mobile device, and other devices in the material processing system 100, such as the bin 120 or the transmission 130, are fixed devices, which would make the control of the dust collecting assembly 160 difficult or unreasonable if there were no direct connection or linkage between the mobile device and the fixed devices.
Specifically, for the dust collection assembly linked with the feeding belt in the related art, the dust collection assembly can perform dust collection treatment when the feeding belt runs, or when the belt is fed, or when the feeding level of the waiting hopper is not alarmed. However, if the dust collecting assembly in the related art is set to be automatically linked or power-off delayed, there is a problem that long-term vibration dust collection easily causes damage to a motor. If the dust collection assembly in the related art is set to be in manual action, the operation of the dust collection assembly is more frequent due to the fact that the material waiting hopper is small. In addition, the dust collecting component can not collect dust according to the amount of the stored materials in the hopper, and the dust collecting effect is poor.
For the above reasons, the present embodiment establishes a connection or association between the loading vehicle 110 and the bin 120 through the first detecting device 150. Specifically, the first detection device 150 is communicatively coupled to the controller 170, and the controller 170 is communicatively coupled to the dust collection assembly 160. The first detecting device 150 can detect the loading condition of the loading vehicle 110 before the feeding operation is performed and the loading condition after the feeding operation is performed by means of weight detection, volume detection, material height detection, or the like. For example, the first detecting device 150 is disposed on the ground or at the bottom of the hopper of the loading vehicle 110, and detects the weight to obtain the load of the loading vehicle 110. For another example, the first detecting device 150 is provided on an inner wall of the hopper of the loading truck 110, and detects the load of the loading truck 110 according to the material level. Therefore, the controller 170 in communication connection with the first detecting device 150 can know the load before and after feeding of the loading vehicle 110, and accordingly, the detection result can be obtained. The detection results that need to be determined in this embodiment are: whether loading vehicle 110 successfully completes the discharge or loading vehicle 110 does not successfully complete the discharge. Wherein if the loading vehicle 110 successfully completes the discharge, it indicates that the material is added to the bin 120, and therefore it is necessary to control the dust collecting assembly 160 to collect the dust. If the loading vehicle 110 does not successfully finish discharging, the situation indicates that materials are not added into the bin 120, so that it is not necessary to control the dust collection component 160 to collect dust and keep the dust collection component 160 off.
In this embodiment, the communication connection may be a wired communication connection or a wireless communication connection. That is to say, the communication connection between the controller and the first detection device and the dust collection assembly may be implemented in a wired connection manner, or the communication connection between the controller and the first detection device and the dust collection assembly may be implemented in a wireless connection manner, for example, in a WiFi connection or a bluetooth connection, which is not limited in this embodiment.
The controller 170 of this embodiment obtains a detection result according to the information or data obtained by the first detection device 150, and controls the dust collection assembly 160 to perform an operation or action suitable for the discharging condition of the loading vehicle 110 according to the detection result, so as to avoid the dust collection assembly 160 from performing unnecessary dust collection processing, and thus avoid frequent vibration of relevant equipment in the material processing system 100, and achieve the purpose of protecting the material processing system 100.
Example 2:
the present embodiment provides a dust collecting apparatus 200, and in addition to the technical features of embodiment 1 described above, further includes the following technical features.
The first detecting device 150 includes a signal detecting sensor that is provided above or below the ground and is disposed on the traveling path of the loading vehicle 110.
Specifically, the present embodiment establishes a valid association between the loader vehicle 110 and the stationary equipment in the material processing system 100 through pre-embedded signal detection sensors. The signal detection sensor is specifically a weight sensor.
In some embodiments of this embodiment, the number of the first detecting devices 150 is greater than two, so as to improve the accuracy of identifying whether the loading vehicle 110 is effectively unloaded.
The signal detection sensor provided on the ground can quickly and accurately detect the load change of the loading vehicle 110, and has a simple structure and low cost.
Example 3:
as shown in fig. 1, the present embodiment provides a dust collecting apparatus 200, and in addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The second sensing device 180 is used to determine and confirm whether material is actually received in the bin 120. Wherein if the cart 110 enters and exits the discharge area but does not feed material into the bin 120 due to a malfunction or accident, the dust collection assembly 160 is not actually required to collect dust despite the change in the load of the cart 110. Therefore, in order to further avoid unnecessary dust collection performed by the dust collection assembly 160 and further avoid frequent vibration, the present embodiment performs a positive-false check on the detection result obtained from the information or data obtained by the first detection means 150 using the information or data obtained by the second detection means 180. And based on the verification result, the detection result is correct, namely: the controller 170 controls the dust collecting assembly 160 to perform dust collection only when material is actually received in the bin 120.
Example 4:
the present embodiment provides a dust collecting apparatus 200, and in addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The second detection device 170 comprises at least one or a combination of the following: the device comprises an image acquisition device, an infrared sensor, an obstacle detection device, a proximity switch, a rotation-resistant level indicator and a continuous level indicator.
For example, an image capturing device such as a camera may capture a plurality of static images in the bin 120, and the controller 170 determines an increase or decrease of the material in the bin 120 by comparing and analyzing the plurality of static images, so as to detect the material receiving condition of the bin 120.
For example, an image capturing device such as a camera may capture continuous dynamic images in the bin 120, and the controller 170 determines whether a feeding action occurs in the bin 120 through capturing recognition of the continuous dynamic images, so as to detect the material receiving condition of the bin 120.
For example, a plurality of infrared sensors or obstacle detecting devices may be arranged in the longitudinal direction within the bin 120, and thus the controller 170 determines the material level height within the bin 120 according to the detection result of each infrared sensor or obstacle detecting device to thereby detect the material receiving condition of the bin 120.
For example, a rotation-resisting level meter or a continuous level meter may be used to directly detect the level of the material in the bin 120, so that the controller 170 detects the material receiving condition of the bin 120.
The device can accurately collect the actual material receiving condition of the bin 120, so that the accuracy of controlling the dust collecting assembly 160 is improved.
Example 5:
as shown in fig. 1, the present embodiment provides a dust collecting apparatus 200, and in addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The dust collecting apparatus 200 further includes: one or more third detection devices 190, the third detection devices 190 being used to detect the level of the silo 120. Wherein the controller 170 is configured to control the dust collection assembly 160 according to the level height.
The third detecting device 190 of the present embodiment may be a device capable of detecting the level height, such as a rotation-resistance level gauge or a continuous level gauge.
In some embodiments of this embodiment, the third sensing device 190 may be integrated with the second sensing device 170 as a single component.
The third detecting device 190 is used for determining the amount of the material in the bin 120. Wherein the controller 170 is adapted to control the dust collection assembly 160 in accordance with the actual level of the silo 120. When the material level in the bin 120 is too low, no dust collection is performed, so as to further avoid the dust collection assembly 160 from performing unnecessary dust collection processing, and thus further avoid frequent vibration of related equipment in the material processing system 100.
Example 6:
as shown in fig. 3, the present embodiment provides a material processing system 100, where the material processing system 100 includes: a bin 120 and a dust collecting apparatus 200 according to any embodiment of the present invention. The silo 120 is used to store material to be processed. The dust collecting device 200 is used for collecting dust generated by materials.
Example 7:
as shown in fig. 4, this embodiment provides a dust collecting method applied to the dust collecting apparatus according to any embodiment of the present invention, where the dust collecting method includes:
s102, detecting the position and the unloading process of a loading vehicle by a first detection device to obtain a detection result;
and step S104, controlling the dust collection assembly to be started by the controller based on the detection result that the loading vehicle is located in the unloading area and finishes unloading.
The dust collecting method of this embodiment is used to control the dust collecting apparatus according to any of the embodiments of the present invention, and therefore has all the advantageous effects of the dust collecting apparatus according to any of the embodiments of the present invention.
Example 8:
as shown in fig. 5, in the dust collecting method according to this embodiment, the detecting step includes:
step S1022, the first detection device detects whether a loading vehicle appears in the unloading area;
and step S1024, detecting and obtaining a difference value between the load after feeding and the load before feeding of the loading vehicle by the first detection device based on the fact that the loading vehicle appears in the unloading area.
Through the steps, when the first detection device detects that the loading vehicle appears in the unloading area, the first detection device further detects the load change of the loading vehicle, and therefore the difference value of the load of the loading vehicle after the loading vehicle is fed and the load of the loading vehicle before the loading vehicle is fed is obtained.
This difference value of this embodiment can characterize or measure whether the loading truck accomplishes and specific volume of unloading. Therefore, the embodiment can enable the dust collecting device to collect dust according to the actual discharging condition.
Specifically, based on the difference value being greater than or equal to the difference threshold value, the detection result is that the loading vehicle finishes unloading. And judging that the detection result is that the loading vehicle does not finish unloading based on the condition that the difference value is smaller than the difference threshold value.
When the difference value between the load after feeding and the load before feeding reaches a certain degree, it indicates that the loading vehicle 110 has conveyed the material to the storage bin 120, and at this time, the dust collection component 160 needs to be controlled to perform dust collection. When the difference between the post-feed load and the pre-feed load is not as great as necessary, indicating that the loader vehicle 110 is carrying a small amount of material or is not carrying material to the silo 120, it is necessary to control the dust collection assembly 160 to remain off to avoid unnecessarily vibrating the material processing system 100. The difference value of this embodiment can be specifically a material weight difference value, or a material volume difference value, or a material height difference value.
Example 9:
as shown in fig. 6, the present embodiment provides a dust collecting method, and in addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
After the first detection device is used for detecting the position and the unloading process of the loading vehicle and obtaining a detection result, the dust collection method further comprises the following steps:
step S202, a second detection device detects the material receiving condition of a storage bin;
and S204, the controller performs correct-error check on the detection result according to the material receiving condition and obtains a check result.
And judging that the result of the correct-error check is correct based on the fact that the receiving condition is that the material is received by the bin. And judging that the result of the correct-error check is a detection result error based on the condition that the material receiving condition is that the material receiving of the storage bin is not performed. The mode of judging whether the receiving condition is that the material is received by the bin or not is used for detecting the change condition or height of the weight of the material in the bin. And when the checking result is that the detection result is correct, the controller controls the dust collection assembly according to the detection result.
The purpose of this embodiment is to perform a positive-false check on the detection result obtained from the information or data acquired by the first detection means 150. The controller 170 controls the dust collection assembly 160 to perform dust collection only if the detection result is true based on the verification result. Therefore, the embodiment can improve the accuracy of controlling the dust collection assembly 160.
Example 10:
the present embodiment provides a dust collecting method, and in addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The dust collection method further comprises the following steps: the third detection device detects the material level height of the bin. And controlling the dust collection component to collect dust based on the fact that the material level height is larger than or equal to the material level height threshold value and the result of the correct and wrong verification is that the detection result is correct.
The object of the present embodiment is to further avoid unnecessary dust collecting processing performed by the dust collecting assembly 160. When the material level of the bin 120 is too low, the dust collecting process is not necessarily performed, and when the material is actually received in the bin 120 and the material level reaches a certain level, the dust collecting component 160 is controlled to perform the dust collecting process.
Example 11:
as shown in fig. 7, this embodiment provides a dust collecting method, and in addition to the technical features of any of the above embodiments, this embodiment further includes the following technical features.
The dust collecting method further comprises the following steps: the controller controls the dust collection assembly to be turned on based on the loading vehicle being unloaded.
In other words, the dust collecting method of the embodiment specifically includes:
step S302, a first detection device detects the position and the unloading process of a loading vehicle to obtain a detection result;
step S304, controlling the dust collection assembly to be started by the controller based on the fact that the loading vehicle is unloading;
and S306, controlling the dust collection assembly to be started by the controller based on the detection result that the loading vehicle is located in the discharging area and finishes discharging.
The dust collecting assembly is controlled to be opened in the unloading process of the loading vehicle in the steps so as to avoid dust raising in the unloading process and further guarantee the dust removing effect.
Example 12:
the embodiment provides a dust collecting method, as shown in fig. 8, the dust collecting method specifically includes:
step S802, the loading vehicle drives into an area to be unloaded;
step S804, detecting and storing a signal 1;
step S806, the loading vehicle drives out of the area to be unloaded;
step S808, judging whether pre-unloading is detected to a waiting hopper;
if yes, executing step S810, and if no, executing step S812;
step S810, detecting and storing a signal 2;
step S812, determining that signal 1 is an invalid signal;
step S814, judging whether to execute dust collection according to the storage signal 1 and the storage signal 2;
if yes, executing step S816, and if no, executing step S818;
step S816, controlling the dust collection assembly to be started;
and step S818, controlling the dust collection assembly to keep off.
In the present embodiment, the first detection device 150 is buried in the loading vehicle 110 passing under the road surface. The first detecting device 150 is embodied as a loop coil, and the change of the magnetic field of the coil caused by the loop coil can calculate and represent the loading and unloading conditions of the loading vehicle 110. Furthermore, the present embodiment indirectly estimates whether the raw material is newly added in the waiting hopper of the silo 120 through an algorithm. In addition, the second detection device 180, such as a vision system, may be added to the present embodiment to further determine whether the inspection vehicle 110 is transporting. Meanwhile, the hopper of the silo 120 may further be provided with a third detection device 190 for incoming material scheduling. Therefore, the dust collection assembly 160 is controlled by the controller 170 to automatically start and stop and collect dust according to the discharging state and the material level storage condition.
Specifically, the present embodiment identifies the operation of the loader vehicle 110 through the first sensing device 150, such as a multipoint ground sensor, and the control algorithm and establishes its direct connection with the stationary equipment in the material processing system 100. After the loading vehicle 110 performs the operation of discharging to the waiting hopper of the silo 120, dust is automatically collected according to the material level condition in the silo 120, so that the operation process similar to dust collecting and automatic dust collecting of ash in a powder tank is realized, the frequency of unnecessary dust collecting actions is reduced, and effective dust collection is realized.
In some embodiments of this embodiment, a second detection device 180, such as a video system, may be provided at the roof of the bin 120 to assist in detecting whether the loader vehicle 110 is effectively discharged into the bin 120.
In some embodiments of this embodiment, an auxiliary signal determining process may be added when the loading vehicle 110 approaches the storage bin 120 to determine whether there is a pre-unloading motion, and the pre-unloading motion is used as an auxiliary point of the second signal. In some embodiments of this embodiment, a third detection device 190 may be used to perform a starved feeding alarm to prompt acceleration of the loading operation.
The material processing system 100 of the present embodiment operates as follows. The first detecting means 150 such as a pre-ground sensor has a multi-level signal or continuous analog signal output function. The first data is recorded when the cart 110 first passes the radius of the sensor area. After entering the unloading area, the second time data is recorded when the loading vehicle 110 is driven out of the radius of the working area after effective unloading. The data difference between the two times is judged by the ratio of the controller 170, and a detection result of whether discharging is determined is given. The first time data and the second time data are equivalent, and the result shows that the material is loaded inefficiently or is not loaded.
The detection result of the second detection device 180 is used as the preset condition for effective discharging. If no corresponding signal from the second detection device 180 is detected, the discharge of the loading vehicle 110 in the ground sensing area is invalid, and the second ground sensor detects that the data, i.e., the exit data, is invalid.
After determining that the loading vehicle 110 is effectively unloaded, the controller 170 automatically starts the dust collecting assembly 160 to collect dust according to the material level condition in the bin 120, and controls the delayed stop of the dust collecting assembly. The delay time may be selected or adjusted by a person skilled in the art, for example, the delay time may be set to 60 seconds or 40 seconds. If the material level in the bin 120 is too low, automatic dust collection is not performed. During the delayed operation, if the loading vehicle 110 is effectively unloaded again, the dust collecting assembly 160 is automatically started again to carry out the dust collecting operation, and the delayed stop is controlled. The embodiment can reduce the starting times of the vibration motor of the dust collection assembly 160 and prolong the service life of the motor.
The present embodiment establishes a valid association between the loader vehicle 110 and the stationary equipment in the material processing system 100 via pre-buried ground sensors. The controller 170 identifies whether the loader vehicle 110 is discharging efficiently by the ground sensor signal difference. And further, the reliability of judgment is increased through a video system, a proximity switch and the like. When the dust in the bin 120 reaches a certain material level, the dust collection component 160 is automatically started to automatically collect dust based on the completion of the unloading of the loading vehicle 110, so that the purposes of effectively collecting dust, reducing invalid actions of the dust collection component and prolonging the service life of equipment are achieved.
In summary, the embodiment of the invention has the following beneficial effects: dust collection apparatus 200 of embodiments of the present invention is capable of establishing an effective association between cart 110 and a fixed device in material processing system 100, preventing dust collection component 160 of dust collection apparatus 200 from performing unnecessary dust collection, and thereby preventing frequent vibration of the associated device in material processing system 100, for the purpose of protecting material processing system 100.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to include, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. 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 description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. The utility model provides a dust arrester installation, is applied to material processing system, material processing system includes the feed bin, the feed bin is used for the storage to treat the material of processing, its characterized in that, dust arrester installation includes:
one or more first detection devices for detecting a pre-feed load and a post-feed load of a loading vehicle transporting material to the silo;
the dust collecting assembly is used for collecting dust;
the controller is in communication connection with the first detection device and the dust collection assembly respectively, and is used for obtaining detection results according to the load before feeding and the load after feeding and controlling the dust collection assembly according to the detection results;
one or more second detection devices, wherein the second detection devices are used for detecting the receiving condition of the storage bin;
the controller is used for carrying out correct-error check on the detection result according to the material receiving condition and obtaining a check result, and the controller controls the dust collection assembly according to the detection result on the basis that the check result is that the detection result is correct.
2. A dust collecting apparatus according to claim 1,
the first detection device comprises a signal detection sensor which is arranged above the ground or below the ground and is arranged on a running path of the loading vehicle.
3. A dust collecting apparatus according to claim 1, wherein the second detecting means includes at least one of the following or a combination thereof:
the device comprises an image acquisition device, an infrared sensor, an obstacle detection device, a proximity switch, a rotation-resistant level indicator and a continuous level indicator.
4. A dust collecting apparatus according to any one of claims 1 to 3, further comprising:
one or more third detection devices for detecting the material level height of the storage bin;
the controller is used for controlling the dust collection assembly according to the material level height.
5. A material processing system, comprising:
the storage bin is used for storing materials to be processed;
a dust collecting apparatus according to any one of claims 1 to 4, which is used to collect dust produced from the material.
6. A dust collecting method applied to the dust collecting apparatus according to any one of claims 1 to 4, comprising:
the first detection device detects the position and the unloading process of the loading vehicle to obtain a detection result;
and controlling the dust collection assembly to be opened by a controller based on the detection result that the loading vehicle is located in the discharging area and finishes discharging.
7. The dust collection method according to claim 6, wherein the first detection device detects the position and the unloading process of the loading vehicle to obtain a detection result, and specifically comprises:
the first detection device detects whether the loading vehicle appears in the unloading area;
and detecting and obtaining a difference value between the load after the loading of the loading vehicle and the load before the loading based on the appearance of the loading vehicle in the unloading area by the first detection device.
8. A dust collecting method according to claim 7,
judging that the detection result is that the loading vehicle finishes unloading based on the difference value being greater than or equal to a difference threshold value;
and judging that the detection result is that the loading vehicle does not finish unloading based on the fact that the difference value is smaller than a difference threshold value.
9. The dust collecting method according to claim 6, wherein after the first detecting means detects the position of the loading vehicle and the discharging process and obtains the detection result, the dust collecting method further comprises:
the second detection device detects the material receiving condition of the storage bin;
and the controller performs correct and error check on the detection result according to the receiving condition.
10. The dust collecting method according to claim 9, wherein the controller performs the positive-error check on the detection result according to the material receiving condition, and specifically comprises:
receiving the material for the storage bin based on the material receiving condition, and judging that the result of the positive-error check is correct;
and judging that the result of the correct-error check is that the detection result is wrong based on the condition that the receiving condition is that the material is not received by the material bin.
11. A dust collecting method according to claim 9, further comprising:
the third detection device detects the material level height of the bin;
and controlling the dust collection component to collect dust based on that the material level height is greater than or equal to the material level height threshold value and the result of the correct and wrong verification is that the detection result is correct.
12. A dust collecting method according to any one of claims 6 to 11, further comprising:
and controlling the dust collection assembly to be started by a controller based on the fact that the loading vehicle is unloading.
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| 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 |
| CN106006090B (en) * | 2016-07-15 | 2018-08-10 | 莱芜钢铁集团有限公司 | Material-transporting system and ironmaking production equipment |
| CN106516812A (en) * | 2016-11-08 | 2017-03-22 | 中冶东方工程技术有限公司 | Automobile unloaded system and method |
| CN207844538U (en) * | 2017-12-08 | 2018-09-11 | 新疆农六师碳素有限公司 | A kind of after-smithing petroleum coke feeding system of aluminium anode carbon processed |
| CN211594327U (en) * | 2019-09-09 | 2020-09-29 | 山东金钟科技集团股份有限公司 | Coal is spray dust fall system for unloader |
| CN110950109B (en) * | 2019-10-18 | 2021-04-23 | 中交武汉港湾工程设计研究院有限公司 | Automatic environment-friendly material stacking system for sandstone material warehouse and control method thereof |
| CN211169022U (en) * | 2019-11-29 | 2020-08-04 | 湖南科技大学 | Car that air curtain accuse dirt cooperation dust remover collection dirt receives ore deposit groove |
| CN111153231A (en) * | 2020-03-12 | 2020-05-15 | 浙江宏泰构件有限公司 | Environment-friendly intelligent unloading system applied to sandstone stock ground |
| CN213833785U (en) * | 2020-11-23 | 2021-07-30 | 西安春晖实业集团有限公司 | Automatic dust pelletizing system of feed bin |
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