CN114772290A - Pneumatic conveying material supply method and system based on intelligent buncher and material pneumatic conveying system - Google Patents
Pneumatic conveying material supply method and system based on intelligent buncher and material pneumatic conveying system Download PDFInfo
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- CN114772290A CN114772290A CN202210526218.5A CN202210526218A CN114772290A CN 114772290 A CN114772290 A CN 114772290A CN 202210526218 A CN202210526218 A CN 202210526218A CN 114772290 A CN114772290 A CN 114772290A
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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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
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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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/50—Pneumatic devices
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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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/58—Devices for accelerating or decelerating flow of the materials; Use of pressure generators
Abstract
Pneumatic conveying material supply method and system based on intelligent buncher and material pneumatic conveying system, and relates to the technical field of negative pressure type pneumatic conveying. The pneumatic conveying material supply method based on the intelligent buncher comprises the following steps: connecting a plurality of manufacturing machines with an intelligent buncher through pipelines and connecting the manufacturing machines with a negative pressure fan through the intelligent buncher; judging whether the corresponding manufacturing machines need materials or not according to the current material demanding signals of the manufacturing machines and determining the material demanding sequence of the manufacturing machines; and determining the wind power supply sequence of each manufacturing machine according to the material requirement sequence and the historical material requirement condition of each manufacturing machine, and controlling an electric control valve on an air inlet of the intelligent buncher corresponding to each manufacturing machine according to the wind power supply sequence to open or close a corresponding pipeline, so that each manufacturing machine can supply materials in sequence. The invention can meet the requirement of continuous production of various manufacturing machines, can automatically realize the air quantity balance of the system, can reduce the configuration quantity of negative pressure fans, dust removers, pipelines and other equipment, and saves equipment investment and occupied space.
Description
Technical Field
The invention relates to the technical field of negative pressure type pneumatic conveying, in particular to a pneumatic conveying material supply method and system based on an intelligent buncher and a material pneumatic conveying system.
Background
The negative pressure type pneumatic conveying system has the advantages of small investment, convenient use and maintenance, environmental protection, energy conservation and the like, is widely applied to the production process of manufacturing enterprises of tobacco, grain, traditional Chinese medicine, tea, feed and the like at present, and particularly in cigarette manufacturing enterprises, the proportion of the tobacco shreds adopting negative pressure type pneumatic conveying reaches more than 90 percent. Large-scale production enterprises often have a plurality of pneumatic tobacco shred conveying systems, each pneumatic tobacco shred conveying system usually comprises a negative pressure fan, a plurality of product manufacturing machines, a dust remover, a dust removing pipeline, a fire prevention valve, an air supply valve, a bundling box, an electric control system and the like, wherein the negative pressure fan has higher power, and more system equipment components cause higher investment and operation cost of the whole pneumatic tobacco shred conveying system.
At present, the total air volume design of a pneumatic conveying system is usually calculated according to the maximum load, namely, the design is carried out according to the maximum air volume required by continuous production and simultaneous feeding of all manufacturing machines in the system, the feeding capacity of a pneumatic conveying single pipe is also far greater than the consumption speed of the manufacturing machines on materials, and factors such as intermittent feeding rules, production efficiency, shutdown maintenance, production arrangement and the like of the manufacturing machines are considered, so that the energy consumption (air volume) of the pneumatic conveying system is about more than 65% of the energy consumption (air volume) of the pneumatic conveying system, and the energy consumption mode is replaced by the energy reactive power consumption mode to ensure that the system and the fan run stably.
As the hopper of the cigarette making machine has intermittent material feeding and material feeding characteristics, and the total air volume of the system also changes randomly, air volume balancing measures such as air supplement and the like need to be taken, otherwise, the air speed of pneumatic conveying of tobacco shreds is greatly fluctuated, even a negative pressure fan surges, and equipment such as a fan and the like can be damaged in serious conditions. The common air supplementing measure is that an air supplementing valve is arranged on a dust removal pipeline of each manufacturing machine, and when a material valve of each manufacturing machine is closed, the corresponding air supplementing valve automatically opens to supplement proper air volume so as to maintain the stable air volume of the system. However, the control of the method is complicated, and in the air supplement process, the total wind power supplied by the negative pressure fan does not change, the number of manufacturing machines requiring wind power supply is reduced, which is equivalent to that one negative pressure fan can simultaneously supply wind power for N manufacturing machines, but in the above situation, one negative pressure fan only supplies wind power for N-1 manufacturing machines or less, which causes part of the energy consumption of the negative pressure fan to be used for idle work, the wind supply capacity of the negative pressure fan is undoubtedly wasted, and the air supplement valve also works idle work from beginning to end.
Disclosure of Invention
One of the purposes of the invention is to provide a pneumatic conveying material supply method based on an intelligent buncher, which adjusts the wind power supply sequence by controlling the on-off of pipelines of manufacturing machines through the intelligent buncher, so that the total air volume of the system is kept stable, the requirement of continuous production of more manufacturing machines can be met on the basis, the idle work is reduced, and the energy efficiency of the system is improved.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme: a pneumatic conveying material supply method based on an intelligent buncher comprises the following steps: connecting a plurality of manufacturing machines to an intelligent buncher through a pipeline and connecting the manufacturing machines to a negative pressure fan through the intelligent buncher; judging whether the corresponding manufacturing machines need materials or not according to the current material demanding signals of the manufacturing machines and determining the material demanding sequence of the manufacturing machines; and determining the wind power supply sequence of each manufacturing machine according to the material requirement sequence and the historical material requirement condition of each manufacturing machine, and controlling an electric control valve on an air inlet of the intelligent buncher corresponding to each manufacturing machine according to the wind power supply sequence to open or close a corresponding pipeline, so that each manufacturing machine can supply materials in sequence.
Preferably, when the wind power supply sequence of each manufacturing machine is determined by combining the feeding sequence of each manufacturing machine and the historical feeding condition: determining the initial sequence of wind power supply according to the material sequence of each manufacturing machine; judging whether a manufacturing machine which preferentially supplies wind power exists or not according to the historical material supply condition of each manufacturing machine in the initial wind power supply sequence, and further determining the priority sequence of wind power supply; and determining the wind power supply sequence by combining the initial sequence and the priority sequence.
More preferably, when judging whether a manufacturing machine needing relatively preferential supply of wind power exists according to historical material demand conditions and determining the priority of wind power supply:
the material number value of one manufacturing machine in the current previous time t is n, the supply wind number value is i, the material number value of the other manufacturing machine in the same time range is m, and the supply wind number value is j;
if n = i and m = j or n/i = m/j, there is no generator requiring relatively preferential supply of wind power;
if n > i, m = j, the former maker is the maker which needs to supply wind power with relative priority;
if n > i, m > j and n/i > m/j are the same, the former is the generator which needs to supply wind power with relative priority;
and sequencing the manufacturing machines which need to supply wind power relatively preferentially in the wind power supply sequence, and preferentially opening corresponding pipelines by controlling the intelligent bunchers.
More preferably, when the number of the manufacturing machines which can supply wind power at present does not exceed the total number of the manufacturing machines which can supply wind power to the negative pressure fans at the same time or no manufacturing machine supplies wind power at present, the air supplementing valve of the intelligent buncher is used for automatically supplementing air so as to maintain the air quantity balance of the system and the operation stability of the negative pressure fans.
The invention also aims to provide a pneumatic conveying material supply system based on the intelligent buncher, which comprises a negative pressure fan and a plurality of manufacturing machines, wherein the negative pressure fan is connected with the intelligent buncher through a main pipeline; the pneumatic conveying material supply system based on the intelligent buncher supplies materials according to the pneumatic conveying material supply method based on the intelligent buncher.
Preferably, the rated air volume of the negative pressure fan is Q, the air volume required by normal feeding of each manufacturing machine is Q, and the number of the manufacturing machines connected with the intelligent buncher exceeds Q/Q.
More preferably, intelligence buncher includes buncher, controller and automatically controlled valve, both ends are equipped with air outlet and a plurality of air intake respectively around the buncher, and every air intake all disposes automatically controlled valve, negative-pressure air fan passes through the trunk line and is connected with the air outlet, and every is made machine and corresponds an air intake separately and pass through small transfer line and air intake connection, the automatically controlled valve can be opened or close the air intake in order to control the break-make that corresponds the small transfer line to make the different small transfer lines of trunk line intercommunication, intelligence buncher still includes the benefit tuber pipe, be provided with the benefit tuber valve on the benefit tuber pipe, automatically controlled valve, benefit tuber valve are connected to the controller.
More preferably, a silencer is arranged at the air inlet end of the air supplementing pipe.
The invention also provides a pneumatic material conveying system which comprises a feeding machine, a dust remover and the pneumatic material conveying system based on the intelligent buncher, wherein at least one discharge port of the feeding machine is connected with material pipes of a plurality of manufacturing machines through a switching device, the switching device can switch feeding paths to be communicated with any material pipe, the exhaust end of each manufacturing machine is respectively connected with a branch pipeline, the tail end of each branch pipeline is connected to the intelligent buncher and connected with the dust remover through the intelligent buncher, and the tail end of the dust remover is connected to a negative pressure fan through a main pipeline.
Preferably, a multi-way pipeline and a movable valve are arranged in the switching device, the multi-way pipeline comprises an input port and a plurality of output ports, the input port is connected with the feeding machine, each output port is respectively connected with a material requiring port of one manufacturing machine, and the movable valve can enable the input port to be communicated with any one output port.
The invention has the beneficial effects that:
1. the invention reasonably controls the on-off of the pipeline of each manufacturing machine through the intelligent buncher to adjust the wind power supply sequence, maintains the stability of the air quantity of the system, not only has simpler control, but also ensures that each negative pressure fan can be connected with more manufacturing machines, gets rid of the limitation that the existing negative pressure fans are limited to simultaneously supply the maximum air quantity to the total number of the manufacturing machines, and can reduce the negative pressure fans, the pipelines and other equipment, thereby reducing the construction cost and the occupied space, simultaneously also applying the originally redundant (or can be called as 'deep sleep') air supply capacity of the negative pressure fans, reducing the idle work, meeting the continuous production requirement of more manufacturing machines, and further improving the energy efficiency of the system.
2. The invention not only can enable production enterprises to connect more manufacturing machines by arranging the intelligent buncher on the basis of the original pneumatic transmission system, thereby improving the energy efficiency and the working efficiency of the system, but also can reduce the model selection requirement on the negative pressure fan under the condition of unchanged number of the manufacturing machines at the beginning of the design of the pneumatic transmission system, thereby reducing the construction cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pneumatic material conveying system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an intelligent buncher in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a switching device according to an embodiment of the present invention.
In the figure:
1-negative pressure fan 2-main pipe 3-dust remover
4-intelligent buncher 4 a-bunching box 4 b-controller
4 c-air outlet 4 d-electric control valve 4 e-air inlet
4 f-air supplement valve 4 g-silencer 5-branch pipeline
6-manufacturing machine 7-hopper 8-material pipe
9-feeding machine 10-switching device 10 a-valve plate
10 b-connecting rod 10 c-travel switch 10 d-input port
10 e-output port.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
It should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. Further, in the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not in direct contact, but via another feature in between.
As shown in fig. 1, the pneumatic conveying material supply method based on the intelligent buncher comprises the following steps: a plurality of manufacturing machines 6 are connected with the intelligent buncher 4 through pipelines and connected with the negative pressure fan 1 through the intelligent buncher 4; judging whether the corresponding manufacturing machines 6 need to feed according to the current feeding signals of the manufacturing machines 6 and determining the feeding sequence of the manufacturing machines 6; the wind power supply sequence of each manufacturing machine 6 is determined by combining the feeding sequence of each manufacturing machine 6 and the historical feeding conditions, and an electric control valve 4d on an air inlet 4e of the intelligent buncher 4 corresponding to each manufacturing machine 6 is controlled to open or close a corresponding pipeline according to the wind power supply sequence, so that each manufacturing machine 6 can be fed in sequence.
In this embodiment, when determining the wind power supply sequence for each manufacturing machine 6 in combination with the feeding sequence and the historical feeding situation for each manufacturing machine 6: determining the initial sequence of wind power supply according to the material sequence of each manufacturing machine 6; judging whether manufacturing machines 6 which supply wind power relatively preferentially exist according to the historical material supply condition of each manufacturing machine 6 in the initial wind power supply sequence, and further determining the priority sequence of wind power supply; and determining the wind power supply sequence by combining the initial sequence and the priority sequence.
In the present embodiment, when judging whether there is a manufacturing machine 6 that needs to supply wind power relatively preferentially according to the historical material supply situation and determining the wind power supply prioritization:
the number value of the material supply times of one manufacturing machine 6 in the current previous time t is n, and the number value of the wind supply times is i, and the number value of the material supply times of the other manufacturing machine 6 in the same time range is m, and the number value of the wind supply times is j;
if n = i and m = j or n/i = m/j, there is no generator 6 that requires relatively preferential supply of wind power;
if n > i, m = j, the former manufacturing machine 6 of the two is the manufacturing machine 6 which needs to supply wind power with relative priority;
if n > i, m > j and n/i > m/j are the same, the former manufacturing machine 6 is the manufacturing machine 6 which needs to supply wind power with relative priority;
the manufacturing machines 6 which need to supply wind power preferentially are sequenced at the front in the wind power supply sequence, and the corresponding pipelines are preferentially opened by controlling the intelligent buncher 4, so that the working operation of each manufacturing machine 6 is ensured to be stable.
It will be appreciated by those skilled in the art that the hopper 7 of the manufacturing machine 6 is typically capable of storing a quantity of material for manufacturing over a number of production cycles, and that when the quantity of material in the hopper 7 is sufficient, the manufacturing machine 6 will close the material supply valve and the intelligent buncher 4 will control the opening of other pipes to allow the negative pressure fan 1 to supply air to other manufacturing machines 6. However, the hopper 7 of the manufacturing machine 6 is provided with a sensor for detecting the material storage amount, and once the material amount is consumed to be lower than the height of the sensor and the sensor cannot detect the material amount, the inside of the manufacturing machine 6 obtains a signal for replenishing the material to open the material valve of the manufacturing machine, and at this time, the intelligent buncher 4 controls to open the corresponding pipeline to supply the negative pressure fan 1 with the wind power required for supplying the manufacturing machine 6, but actually, because a plurality of manufacturing machines 6 exist in the system, when one manufacturing machine 6 generates a signal for supplying the material (wind power supply requirement), if other manufacturing machines 6 do not complete the wind power supply, the intelligent buncher 4 does not immediately open the pipeline of the manufacturing machine 6 for wind power supply, but closes the pipeline of the current manufacturing machine 6 after the current wind power supply is completed, and opens the pipeline of the manufacturing machine 6 generating the signal for supplying the material, in this process, since the material supply valve is usually opened briefly when the manufacturing machine 6 generates the material supply signal, the valve is closed when the material is not supplied for a certain time (wind power supply), and the material supply valve is opened again after a certain time elapses to supply the material, in this way, in the case that other manufacturing machines 6 do not finish the wind power supply, another manufacturing machine 6 may generate a signal of material supply for many times but not supply the material (wind power supply), so that the above-mentioned n > i or m > j condition occurs, and through the above logic judgment setting, the next wind power supply can be guaranteed to the manufacturing machine 6 with a more urgent demand, and the situation that the material inside the manufacturing machine 6 is insufficient can be avoided.
In addition, in the process of supplying wind power to a plurality of manufacturing machines 6, a setting can be added, namely when the number of times of supplying materials (supplying wind power) to a manufacturing machine 6 during the process of generating k times of materials by the manufacturing machine 6 is still 0, the system judges that the materials in the manufacturing machine 6 are not enough for manufacturing in the next production cycle, and then the system forcibly closes a pipeline of the manufacturing machine 6 which is about to finish the wind power supply work and opens the pipeline of the manufacturing machine 6 to supply wind power to the manufacturing machine, so that the phenomenon that the manufacturing machine stops due to material shortage caused by no wind power supply is avoided. As regards how to judge that the material inside the machine 6 is insufficient for itself to be manufactured for the next production cycle, it will be understood by those skilled in the art that the result can be obtained by setting up in advance the relevant parameters and letting the system judge, in particular, that since the quantity of material arriving at the level of the sensor in the hopper 7 is known, as is the speed at which the machine 6 consumes the material, which quantity can be designed for several production cycles, and the time of each production cycle is fixed, the system can derive the length of time elapsed when the machine 6 generates the signal of k times of the material, and therefore can determine how many production cycles of material remain in the hopper 7, by which logical setting the intelligent buncher 4 opens the corresponding pipes as required, so that the quantity of material in any machine 6 will not fall below the quantity required for one production cycle, the designed conveying capacity of the pneumatic conveying system is far higher than the material consumption speed of the manufacturing machine 6, so that the material in the manufacturing machine 6 is not required to be consumed too fast, and the stable operation of all the manufacturing machines 6 can be completely ensured.
In this embodiment, when the number of the manufacturing machines 6 currently supplying wind power does not exceed the total number of the manufacturing machines 6 capable of simultaneously supplying wind power to the negative pressure fan 1 or when no manufacturing machine 6 currently supplies wind power, the air supply valve 4f of the intelligent buncher 4 is used for automatically supplying air to maintain the balance of the system air volume and the stable operation of the negative pressure fan 1. Further, if the total number of the manufacturing machines 6 connected to the intelligent buncher 4 is m and the total number of the manufacturing machines 6 to which the negative pressure fan 1 can simultaneously supply wind power is m/3, the air supply valve 4f automatically supplies air when the number of the manufacturing machines 6 currently supplying wind power is less than or equal to m/3 or no manufacturing machine 6 currently supplies wind power, wherein the opening degree of the air supply valve 4f depends on the number of the manufacturing machines 6 currently supplying wind power.
The embodiment also provides a pneumatic conveying material supply system based on the intelligent buncher, which comprises a negative pressure fan 1 and a plurality of manufacturing machines 6, wherein the negative pressure fan 1 is connected with the intelligent buncher 4 through a main pipeline 2, each manufacturing machine 6 is connected with the intelligent buncher 4 through a branch pipeline 5, and the intelligent buncher 4 can control the connection and disconnection between the main pipeline 2 and each branch pipeline 5; the pneumatic conveying material supply system based on the intelligent buncher supplies materials according to the pneumatic conveying material supply method based on the intelligent buncher.
In this embodiment, assuming that the rated air volume of the negative pressure fan 1 is Q =4Q, the air volume required for normal feeding of each manufacturing machine 6 is Q, and the number of the manufacturing machines 6 connected to the intelligent buncher 4 may exceed Q/Q (i.e. 4 machines), preferably 6 to 8 machines, so that each negative pressure fan 1 may be connected to the manufacturing machines 6 whose number is 50% to 100% more than normal through the intelligent buncher 4, which not only can reduce initial investment cost and save layout space, but also can greatly reduce system operation energy consumption.
In this embodiment, as shown in fig. 2, the intelligent buncher 4 includes a bundling box 4a, a controller 4b and an electronic control valve 4d, an air outlet 4c and a plurality of air inlets 4e are respectively disposed at the front end and the rear end of the bundling box 4a, each air inlet 4e is configured with one electronic control valve 4d, the negative pressure fan 1 is connected with the air outlet 4c through the main pipe 2, each manufacturing machine 6 corresponds to one air inlet 4e and is connected with the air inlet 4e through a branch pipe 5, the electronic control valve 4d can open or close the air inlet 4e to control the on-off of the corresponding branch pipe 5, so that the main pipe 2 is communicated with different branch pipes 5, the intelligent buncher 4 further includes a wind supplementing pipe, a wind supplementing valve 4f is disposed on the wind supplementing pipe, and the electronic control valve 4d and the wind supplementing valve 4f are connected to the controller 4 b. Wherein, the inlet end of the air supply pipe can also be provided with a silencer 4g, which can reduce the noise generated by air supply. In addition, the material valve of each manufacturing machine 6 can be linked with the electric control valve 4d of the corresponding air inlet 4 e. The controller 4b, the electronic control valve 4d, and the air supply valve 4f may be provided in the cluster box 4 a.
In this embodiment, the controller 4b may be a S7-200smart controller, and the electronic control valve 4d, the air supply valve 4f and the material supply signals of the manufacturing machines 6 are connected with the controller 4b through wires. The electric control valve 4d can be an on-off pneumatic electromagnetic valve, and the air supplement valve 4f can be a continuously-adjusting electric valve.
The embodiment also provides a material pneumatic conveying system, as shown in fig. 1, which includes a feeder 9, a dust remover 3, and the above pneumatic conveying material supply system based on the intelligent buncher, at least one discharge port of the feeder 9 is connected to material pipes 8 of a plurality of manufacturing machines 6 through a switching device 10, the switching device 10 can switch feeding paths to communicate with any material pipe 8, exhaust ends of the manufacturing machines 6 are respectively connected to branch pipes 5, the tail ends of the branch pipes 5 are connected to the intelligent buncher 4 and connected to the dust remover 3 through the intelligent buncher 4, and the tail end of the dust remover 3 is connected to the negative pressure fan 1 through a main pipe 2.
In this embodiment, as shown in fig. 3, a three-way pipeline and a movable valve are disposed in the switching device 10, the three-way pipeline includes an input port 10d and two output ports 10e, the input port 10d is connected to the feeder 9, each output port 10e is connected to a material requiring port of one manufacturing machine 6, the movable valve enables the input port 10d to communicate with any one of the output ports 10e, and the movable valve is connected to the second controller. The two output ports 10e are respectively a first output port and a second output port. In addition, the movable valve includes a valve plate 10a which is rotatably connected in the switching device 10 and is rectangular, the valve plate 10a is connected with a connecting rod 10b, the connecting rod 10b is connected with a pneumatic actuator (not shown in the drawing), the pneumatic actuator can push the connecting rod 10b to swing so as to enable the valve plate 10a to rotate, so that the valve plate 10a can block the input port 10d from the first output port or enable the valve plate 10a to block the input port 10d from the second output port, a travel switch 10c is arranged on the connecting rod 10b, the pneumatic actuator and the travel switch 10c are both connected with the second controller, and through the arrangement of the travel switch 10c, the position information of the valve plate 10a and the previous switching action can be obtained.
Based on the structure of the supply system, when the negative pressure fan 1 supplies wind power to the plurality of manufacturing machines 6 by the pneumatic conveying material supply method, the intelligent buncher 4 can carry out intelligent multi-pipeline switch control, the system can record not only a plurality of material demanding signals (wind power supply demands) of a certain manufacturing machine 6, but also last wind power supply information, this information can be used by the system to make comprehensive decisions to make the most appropriate multi-channel switching control, the supply method is used as an intelligent method and has comprehensive intelligent functions of intelligent identification, memory, fault tolerance, judgment, decision and the like, the method is mainly embodied in that the controller 4b can perform comprehensive judgment and intelligent decision according to the material requiring signals, the historical material requiring conditions, the working state of the other manufacturing machine 6 and other information, and a person skilled in the art can design more control schemes meeting actual requirements according to the information.
In summary, the pneumatic material conveying supply method implemented based on the system in the embodiment achieves intelligent switching of wind power supply from the negative pressure fan 1 to the pipelines of the multiple manufacturing machines 6, and since the wind power supply process is sequenced according to the current application, the historical application and the material requiring records and wind power supply is sequentially performed in sequence, the system has strong fault tolerance and more reasonable judgment and decision, can well adapt to complex wind power supply request processing generated among the multiple manufacturing machines 6, and meets the continuous production requirements of the multiple manufacturing machines 6.
Moreover, the invention reasonably controls the on-off of the pipeline of each manufacturing machine 6 through the intelligent buncher 4 to adjust the wind power supply sequence, maintains the stability of the air volume of the system, not only is the control simpler, but also each negative pressure fan 1 can be connected with more manufacturing machines 6, gets rid of the limitation that the existing negative pressure fan 1 is limited to simultaneously supply the maximum air volume to the total number of the manufacturing machines 4, and can reduce the negative pressure fan 1, the dust remover 3, the pipeline and other equipment, thereby reducing the construction cost and the occupied space, simultaneously also applying the original redundant (or can be called as 'deep sleep') air supply capacity of the negative pressure fan 1, reducing the idle work and improving the energy efficiency of the system. Moreover, the invention can also enable production enterprises to connect more manufacturing machines 6 with the negative pressure fan 1 by arranging the intelligent buncher 4 on the basis of the original pneumatic transmission system, thereby improving the energy efficiency and the working efficiency of the system, and can also reduce the model selection requirement on the negative pressure fan 1 under the condition of unchanged number of the manufacturing machines 6 at the beginning of the design of the pneumatic transmission system, thereby reducing the construction cost.
Although the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.
Claims (10)
1. Pneumatic conveying material supply method based on intelligent buncher is characterized in that:
connecting a plurality of manufacturing machines (6) with an intelligent buncher (4) through pipelines and connecting the manufacturing machines with a negative pressure fan (1) through the intelligent buncher (4);
judging whether the corresponding manufacturing machine (6) needs to feed according to the current feeding signal of each manufacturing machine (6) and determining the feeding sequence of each manufacturing machine (6);
and determining the wind power supply sequence of each manufacturing machine (6) according to the material feeding sequence and the historical material feeding condition of each manufacturing machine (6), and controlling an electric control valve (4 d) on an air inlet (4 e) of the intelligent buncher (4) corresponding to each manufacturing machine (6) to open or close a corresponding pipeline according to the wind power supply sequence so as to enable each manufacturing machine (6) to feed materials in sequence.
2. An intelligent buncher based air conveying material feeding method according to claim 1, wherein when determining the wind power feeding sequence of each manufacturing machine (6) by combining the feeding sequence of each manufacturing machine (6) and historical feeding conditions:
determining the initial sequencing of wind power supply according to the material sequence of each manufacturing machine (6);
judging whether the manufacturing machines (6) with relative priority for supplying wind power exist according to the historical material supply condition of each manufacturing machine (6) in the wind power supply initial sequence, and further determining the wind power supply priority sequence;
and determining the wind power supply sequence by combining the initial sequence and the priority sequence.
3. The pneumatic conveying material supply method based on the intelligent buncher according to claim 2, wherein when judging whether a manufacturing machine (6) which needs to supply wind power with relative priority exists according to historical material supply conditions and determining wind power supply priority:
the material number value of one manufacturing machine (6) in the current previous time t is n, and the supply wind number value is i, and the material number value of the other manufacturing machine (6) in the same time range is m, and the supply wind number value is j;
if n = i and m = j or n/i = m/j, there is no generator (6) requiring relatively preferential supply of wind power;
if n > i, m = j, the former maker (6) of the two is the maker (6) which needs to supply wind power with relative priority;
if n > i, m > j and n/i > m/j are the same, the former manufacturing machine (6) is the manufacturing machine (6) which needs to supply wind power with relative priority;
and sequencing the manufacturing machines (6) needing relative preferential wind power supply at the front in the wind power supply sequence, and preferentially opening corresponding pipelines by controlling the intelligent buncher (4).
4. The pneumatic conveying material supply method based on the intelligent buncher of claim 1, wherein: when the number of the manufacturing machines (6) which can supply wind power currently does not exceed the total number of the manufacturing machines (6) which can simultaneously supply wind power to the negative pressure fan (1) or the current no manufacturing machine (6) supplies wind power, the air supplement valve (4 f) of the intelligent buncher (4) is used for automatically supplementing air to maintain the air volume balance of the system and the stable operation of the negative pressure fan (1).
5. Air conveying material supply system based on intelligence buncher includes negative pressure fan (1), many making machines (6), its characterized in that: the negative pressure fan (1) is connected with the intelligent buncher (4) through the main pipeline (2), each manufacturing machine (6) is connected with the intelligent buncher (4) through one branch pipeline (5), and the intelligent buncher (4) can control the connection and disconnection between the main pipeline (2) and each branch pipeline (5);
the pneumatic conveying material supply system based on the intelligent buncher feeds according to the pneumatic conveying material supply method based on the intelligent buncher of any one of claims 1 to 4.
6. The pneumatic conveying material supply system based on the intelligent buncher of claim 5, wherein: the rated air volume of the negative pressure fan (1) is Q, the air volume required by normal feeding of each maker (6) is Q, and the number of the makers (6) connected with the intelligent buncher (4) exceeds Q/Q.
7. The pneumatic conveying material supply system based on the intelligent buncher of claim 5, wherein: intelligence buncher (4) are including case (4 a) tied in a bundle, controller (4 b) and automatically controlled valve (4 d), both ends are equipped with air outlet (4 c) and a plurality of air intake (4 e) respectively around case (4 a) tied in a bundle, and every air intake (4 e) all dispose automatically controlled valve (4 d), negative-pressure air fan (1) is connected with air outlet (4 c) through trunk line (2), and every is made machine (6) and corresponds one air intake (4 e) separately and is connected with air intake (4 e) through branch pipeline (5), automatically controlled valve (4 d) can be opened or close air intake (4 e) in order to control the break-make that corresponds branch pipeline (5) to make trunk line (2) communicate different branch pipeline (5), intelligence buncher (4) still include the benefit tuber pipe, be provided with on the benefit tuber pipe and mend air valve (4 f), automatically controlled valve (4 d), The air supplement valve (4 f) is connected to the controller (4 b).
8. The pneumatic conveying material supply system based on the intelligent buncher of claim 7, wherein: and a silencer (4 g) is arranged at the air inlet end of the air supplementing pipe.
9. The utility model provides a material pneumatic conveying system, includes feeder (9) and dust remover (3), its characterized in that: the pneumatic conveying material supply system based on the intelligent buncher of any one of claims 5 to 8, wherein at least one discharge port of the feeder (9) is connected with material pipes (8) of a plurality of manufacturing machines (6) through a switching device (10), the feeding path can be switched by the switching device (10) to be communicated with any material pipe (8), the exhaust end of each manufacturing machine (6) is respectively connected with a branch pipe (5), the tail ends of the branch pipes (5) are connected to the intelligent buncher (4) and connected with a dust remover (3) through the intelligent buncher (4), and the tail end of the dust remover (3) is connected to a negative pressure fan (1) through a main pipe (2).
10. The pneumatic material conveying system according to claim 9, characterized in that: be provided with many-way pipeline and movable valve in auto-change over device (10), many-way pipeline includes input port (10 d) and a plurality of delivery outlet (10 e), input port (10 d) are connected with feeding machine (9), and every delivery outlet (10 e) connects the material mouthful of wanting of a manufacturing machine (6) respectively, movable valve can make input port (10 d) communicate arbitrary one delivery outlet (10 e).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526218.5A CN114772290A (en) | 2022-05-16 | 2022-05-16 | Pneumatic conveying material supply method and system based on intelligent buncher and material pneumatic conveying system |
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| CN202210526218.5A CN114772290A (en) | 2022-05-16 | 2022-05-16 | Pneumatic conveying material supply method and system based on intelligent buncher and material pneumatic conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852595A (en) * | 2023-09-01 | 2023-10-10 | 山西宏辉新材料科技有限公司 | Anti-blocking rubber continuous conveying device |
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2022
- 2022-05-16 CN CN202210526218.5A patent/CN114772290A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852595A (en) * | 2023-09-01 | 2023-10-10 | 山西宏辉新材料科技有限公司 | Anti-blocking rubber continuous conveying device |
| CN116852595B (en) * | 2023-09-01 | 2023-11-10 | 山西宏辉新材料科技有限公司 | Anti-blocking rubber continuous conveying device |
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