CN108338404B - Self-adaptive control system for wind power conveying fragile materials - Google Patents
Self-adaptive control system for wind power conveying fragile materials Download PDFInfo
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- CN108338404B CN108338404B CN201810355740.5A CN201810355740A CN108338404B CN 108338404 B CN108338404 B CN 108338404B CN 201810355740 A CN201810355740 A CN 201810355740A CN 108338404 B CN108338404 B CN 108338404B
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 230000003044 adaptive effect Effects 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 10
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000005465 channeling Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 241000208125 Nicotiana Species 0.000 description 12
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 12
- 238000005265 energy consumption Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/39—Tobacco feeding devices
- A24C5/392—Tobacco feeding devices feeding pneumatically
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- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a self-adaptive control system for conveying fragile materials by wind power, which comprises a PLC intelligent controller, an intelligent electricity saver and a conveying device, wherein the PLC intelligent controller, the intelligent electricity saver and the conveying device are electrically connected with each other; the conveying device comprises a centrifugal ventilator electrically connected with the intelligent electricity saver, the output end of the centrifugal ventilator is connected with a first wrapping machine through a conveying pipeline, the conveying pipeline comprises a main pipeline connected with the centrifugal ventilator and a first branch pipeline connected with the first wrapping machine, and the main pipeline is communicated with the first branch pipeline; a first pneumatic adjusting butterfly valve, a first pneumatic adjusting valve, a first pressure transmitter and a first flowmeter are sequentially arranged on the first branch pipeline from one end close to the first wrapping machine to one end close to the main pipeline; a butterfly valve is arranged on the main pipeline and is positioned between the centrifugal ventilator and the first branch pipeline; the first branch pipe is connected with the first wrapping machine through a first pneumatic cut-off valve; the first wrapping machine is connected with a first wire feeding machine through a first wire feeding pipeline, and a second flowmeter is arranged on the first wire feeding pipeline.
Description
Technical Field
The invention relates to the technical field of wind power conveying, in particular to a wind power conveying fragile material self-adaptive control system.
Background
The tobacco shred supply mode used by the large-scale cigarette factory adopts the most popular pipeline negative pressure wind power transmission at present; the negative pressure wind power transmission is favored by domestic and foreign peers due to the advantages of investment saving, high reliability, low operation and maintenance cost, cleanness, environmental protection and the like.
Under the conditions of the tobacco shred conveying pipeline structure, the temperature, the humidity, the moisture and the like of the tobacco shreds, the breakage rate and the moisture dissipation degree of the tobacco shreds mainly depend on the speed of pneumatic conveying, the stability of the conveying speed and the step impact between the tobacco shreds and the tobacco conveying pipeline, the tobacco collecting box of the wrapping machine and the tobacco shreds when the conveying is started each time; the negative pressure wind power conveying of tobacco shreds is to connect the suction end of a centrifugal ventilator to the tail end of a main pipe of a wind balance pipeline system, generate negative pressure through the centrifugal ventilator and distribute the negative pressure to each branch pipeline to convey solid materials; the conveying speed of the material is maintained by overcoming the resistance in the material movement process through generating kinetic energy by taking the wind speed as a conveying carrier, the wind speed mainly depends on the pressure difference between the front part and the rear part of the air supply pipeline, and the wind speed is controlled to be the root or the pressure at the tail end of the air supply pipeline on the premise that the pressure at the wire suction opening at the front end of the air supply pipeline is fixed (the local atmospheric pressure). Once the centrifugal fan and the wind balance duct system are selected, the magnitude of the negative pressure in the terminal main duct can be controlled by the rotational speed of the centrifugal fan.
However, the existing pipeline negative pressure wind power transmission has the defects of high tobacco shred breakage rate, high energy consumption and low material utilization rate, thereby increasing the operation cost and simultaneously being a cangue for restricting the wider application and the long-term development of the cangue.
Disclosure of Invention
The invention aims to provide a wind power conveying fragile material self-adaptive control system which is used for solving the problems of high breakage rate, high energy consumption and low material utilization rate of the existing cut tobacco.
In order to achieve the above purpose, the technical scheme of the invention is that
An adaptive control system for conveying fragile materials by wind power comprises a PLC intelligent controller, an intelligent electricity saver and a conveying device which are electrically connected with each other;
The conveying device comprises a centrifugal ventilator electrically connected with the intelligent electricity saver, the output end of the centrifugal ventilator is connected with a first wrapping machine through a conveying pipeline, the conveying pipeline comprises a main pipeline connected with the centrifugal ventilator and a first branch pipeline connected with the first wrapping machine, and the main pipeline is communicated with the first branch pipeline; the first branch pipeline is sequentially provided with a first pneumatic adjusting butterfly valve, a first pneumatic adjusting valve, a first pressure transmitter and a first flowmeter from one end close to the first wrapping machine to one end close to the main pipeline; a butterfly valve is arranged on the main pipeline and is positioned between the centrifugal ventilator and the first branch pipeline;
The first branch pipe is connected with the first wrapping machine through a first pneumatic cut-off valve;
The first wrapping machine is connected with a first wire feeding machine through a first wire feeding pipeline, and a second flowmeter is arranged on the first wire feeding pipeline.
Further, one end, far away from the centrifugal ventilator and the valve, of the main pipeline is connected with a second branch pipeline and a third branch pipeline; one end of the second branch pipeline far away from the main pipeline is connected with a second wrapping machine; a second pneumatic adjusting butterfly valve, a second pneumatic adjusting valve, a second pressure transmitter and a third flowmeter are sequentially arranged on the second branch pipeline from one end close to the second wrapping machine to one end close to the main pipeline; the second branch pipe is connected with the second wrapping machine through a second pneumatic cut-off valve; the second wrapping machine is connected with the second wire feeding machine through two second wire feeding pipelines, and one ends of the two second wire feeding pipelines close to the second wrapping machine are converged into a pipeline which is connected with the second wrapping machine; a fourth flowmeter is arranged on each of the two second wire feeding pipelines; the connection structure between the third branch pipe and the second wire feeder is the same as the connection structure between the second branch pipe and the second wire feeder.
Further, one end, far away from the centrifugal ventilator and the valve, of the main pipeline is connected with a fourth pipeline; one end of the fourth branch pipeline far away from the main pipeline is connected with a fourth wrapping machine; a fourth pneumatic adjusting butterfly valve, a fourth pneumatic adjusting valve, a fourth pressure transmitter and a fifth flowmeter are sequentially arranged on the fourth branch pipeline from one end close to the fourth wrapping machine to one end close to the main pipeline; the fourth branch pipe is connected with the fourth wrapping machine through a fourth pneumatic cut-off valve; the fourth wrapping machine is connected with the fourth wire feeding machine through two fourth wire feeding pipelines, and one end, close to the fourth wrapping machine, of the two fourth wire feeding pipelines is converged into a pipeline which is connected with the fourth wrapping machine; and the two fourth wire feeding pipelines are provided with sixth flow meters.
Further, the second flow meter, the fourth flow meter, and the sixth flow meter all employ venturi sensors.
Further, the two second wire feeding pipelines and the two fourth wire feeding pipelines are both smoothly converged into one pipeline.
Further, the first pneumatic adjusting valve, the second pneumatic adjusting valve and the fourth pneumatic adjusting valve are all provided with silencers.
Further, the first wrapping machine, the second wrapping machine and the fourth wrapping machine are all provided with a material level switch.
Further, the system further comprises:
The wind speed measurement signal acquisition module is used for acquiring wind speed data in the pipeline during material conveying;
the air supplementing pressure channeling level adjusting module is used for controlling and stabilizing the wind speed;
the wire feeding wind speed shifting level adjusting module is used for stabilizing wind pressure in the pipeline when the material is required;
and the alarm and self-adaptation module is used for safety prompt and fault adjustment of the whole system.
Further, the wind speed measurement signal acquisition module comprises a Venturi tube sensor arranged on the wire feeding pipeline; the air supplementing pressure channeling level adjusting module comprises an intelligent electricity saver which is electrically connected with the centrifugal ventilator; the wire feeding wind speed shifting stage adjusting module comprises a first pneumatic adjusting butterfly valve, a second pneumatic adjusting butterfly valve and a fourth pneumatic adjusting butterfly valve which are arranged on the first branch pipe, the second branch pipe and the fourth branch pipe; the alarm and self-adaptive module comprises a PLC intelligent controller electrically connected with each electric appliance.
The invention has the following advantages: the self-adaptive control system for the fragile materials conveyed by the wind power can reduce the breakage rate of tobacco shreds, reduce the blank rate of cigarettes and improve various quality indexes of the cigarettes; meanwhile, the energy consumption is reduced, the material utilization rate is improved, and unnecessary waste of resources is reduced, so that the operation cost is reduced, and the production benefit is improved; and is beneficial to wider application and development.
Drawings
FIG. 1 is a schematic diagram of a system for self-adaptive control of a wind-powered fragile material;
FIG. 2 is a schematic diagram of a single manifold conveyor of a wind power system for conveying fragile materials;
FIG. 3 is a schematic diagram of three branch pipe conveying devices of a wind power conveying fragile material self-adaptive control system provided by the invention;
FIG. 4 is a schematic diagram of four branch pipe conveying devices of a wind power conveying fragile material self-adaptive control system provided by the invention;
FIG. 5 is a flow chart of system modules of the adaptive control system for wind-powered fragile material.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Example 1
The embodiment 1 of the invention provides a self-adaptive control system for wind power conveying fragile materials, which is shown in fig. 1, and comprises a PLC intelligent controller 1, an intelligent power saver 2 and a conveying device 3 which are electrically connected with each other; as shown in fig. 2, the conveying device 3 includes a centrifugal ventilator 31 electrically connected to the intelligent electricity saver 2, the output end of the centrifugal ventilator 31 is connected to a first wrapping machine 345 through a conveying pipeline, the conveying pipeline includes a main pipeline 33 connected to the centrifugal ventilator 31 and a first branch pipeline 34 connected to the first wrapping machine 345, and the main pipeline 33 is communicated with the first branch pipeline 34; a first pneumatic adjusting butterfly valve 343, a first pneumatic adjusting valve 342, a first pressure transmitter 341 and a first flowmeter 340 are sequentially arranged on the first branch pipeline 34 from the end close to the first wrapping machine 345 to the end close to the main pipeline 33; a butterfly valve 32 is arranged on the main pipeline, and the butterfly valve 32 is positioned between the centrifugal ventilator 31 and the first branch pipeline 34; the first branch pipe 34 is connected with the first wrapping machine 345 through a first pneumatic cut-off valve 344; the first wrapping machine 345 is connected to a first wire feeder 348 through a first wire feeding pipe 347, and a second flowmeter 346 is disposed on the first wire feeding pipe.
The single pipeline adopted in the embodiment is a single wire feeding pipeline, and when the intelligent power saver is used, the pressure transmitter and the second flowmeter feed back to the intelligent power saver, and the intelligent power saver controls the working state of the centrifugal ventilator and the opening state of each valve, so that the wind pressure of the main pipeline of the wind balance system is stabilized at an optimal value; meanwhile, the pneumatic adjusting valve and the pneumatic adjusting butterfly valve can work at the optimal adjusting opening degree through the PLC intelligent controller.
It should be noted that the system is operated by a motor driven by an SPS intelligent electricity-saving device, and the motor drives a centrifugal ventilator to operate.
Example 2
The adaptive control system for wind-force-conveying fragile materials provided in embodiment 2 of the present invention is substantially the same as that in embodiment 1, except that, as shown in fig. 3, a second branch pipe 35 and a third branch pipe 36 are connected to one end of the main pipe 33, which is far away from the centrifugal fan 31 and the butterfly valve 32; a second wrapping machine 355 is connected to one end of the second branch pipe 35, which is far away from the main pipe 33; a second pneumatic adjusting butterfly valve 353, a second pneumatic adjusting valve 352, a second pressure transmitter 351 and a third flowmeter 350 are sequentially arranged on the second branch pipeline 35 from the end close to the second wrapping machine 355 to the end close to the main pipeline 33; the second branch pipe 35 is connected with the second wrapping machine 355 through a second pneumatic cut-off valve 354; the second wrapping machine 355 is connected with the second wire feeding machine 358 through two second wire feeding pipelines 357, and one end of the two second wire feeding pipelines 357 close to the second wrapping machine 355 is converged into a pipeline which is connected with the second wrapping machine 355; a fourth flowmeter 356 is arranged on each of the two second wire feeding pipelines 357; the connection structure between the third branch pipe 36 and the second wire feeder 358 is the same as the connection structure between the second branch pipe 35 and the second wire feeder 358.
The self-adaptive control system for the fragile materials conveyed by wind power provided by the embodiment is characterized in that 1 package machine is a single wire feeding pipeline, and the other 2 packages are double wire feeding pipelines; the wire feeding machine can reliably feed wires to the winding machine, and the purpose of preventing the wire from being broken due to pipe blockage is achieved.
Example 3
The adaptive control system for wind-force-conveying fragile materials provided in embodiment 3 of the present invention is substantially the same as that in embodiment 2, except that, as shown in fig. 4, a fourth pipeline 37 is connected to an end of the main pipeline 33, which is far away from the centrifugal ventilator 31 and the butterfly valve 32; a fourth wrapping machine 375 is connected to the end of the fourth branch pipe 37 remote from the main pipe 33; a fourth pneumatic adjusting butterfly valve 373, a fourth pneumatic adjusting valve 372, a fourth pressure transmitter 371 and a fifth flowmeter 370 are sequentially arranged on the fourth branch pipeline 37 from the end close to the fourth wrapping machine 375 to the end close to the main pipeline 33; the fourth branch pipe 37 is connected with the fourth wrapping machine 375 through a fourth pneumatic cut-off valve 374; the fourth winding machine 375 is connected to the fourth wire feeder 378 through two fourth wire feeding pipes 377, and one end of the fourth wire feeding pipes 377 close to the fourth winding machine 375 is converged into a pipe which is connected to the fourth winding machine 375; a sixth flowmeter 376 is disposed on each of the fourth wire feeding pipes 377.
The use principle is as follows: the self-adaptive control system for the fragile materials conveyed by wind power provided by the embodiment is characterized in that 1 package machine is a single wire feeding pipeline, and the other 3 packages are double wire feeding pipelines; the system is characterized in that an SPS intelligent electricity saver drives a motor to operate, and the motor drives a centrifugal ventilator to operate; according to the set different wind speeds, the starting number of the winding machine and the full signal of the wire collecting box of each winding machine, the output frequency of the winding machine is controlled according to a dynamic characteristic function curve, so that the wind pressure of a main pipe of a required wind balance system is kept relatively stable, and the pneumatic adjusting butterfly valve on each wire feeding branch pipe can be ensured to work at the opening of 60-80% during material feeding; the pneumatic adjusting valve of the air supplementing pipe of each branch pipe works at the opening of 60-80% when the material is to be treated, so that the optimal adjusting quality is obtained, and the effects of energy conservation and consumption reduction are achieved.
The dynamic characteristic function is:
wherein:
(1) is the average value of the wind speed set value of each branch pipe, For each branch wind speed set value, the system has 4 branches, N=4, i.e
(2) Σn is the number of the turning-on machines of the wrapping machine, Σn=n1+n2+n3+n4, n1, n2, n3 and n4 are 1 when being turned on, and 0 when being turned off;
(3) Σm is the sum of full signals of the wrapping machine on each branch pipeline, Σm=m1+m2+m3+m4, 1 is when m1, m2, m3 and m4 are full, and 0 is when the material is not full;
(4) k1, k2, k3, k4 are empirical coefficients and are set or modified according to the system site conditions. The characteristic functions used by the system are as follows:
Example 4
The adaptive control system for pneumatic conveying fragile materials provided in embodiment 4 of the present invention is substantially the same as that of embodiment 3, except that venturi sensors are used for the second flowmeter 346, the fourth flowmeter 356, and the sixth flowmeter 376; and feeding back the wind speed signal in the wire feeding pipeline to the intelligent electricity saver.
Example 5
The adaptive control system for wind-force conveying fragile materials provided in embodiment 5 of the present invention is substantially the same as that in embodiment 4, and is different in that two second wire feeding pipelines 357 and two fourth wire feeding pipelines 377 are both smoothly converged into one pipeline; preventing the blockage during conveying materials.
Example 6
The adaptive control system for wind-force-conveying fragile materials provided in embodiment 6 of the present invention is substantially the same as that in embodiment 5, except that the first pneumatic control valve 342, the second pneumatic control valve 352 and the fourth pneumatic control valve 372 are all provided with a muffler 4; noise is reduced.
Example 7
The adaptive control system for wind-force conveying fragile materials provided in embodiment 7 of the present invention is substantially the same as that in embodiment 6, except that the first wrapping machine 345, the second wrapping machine 355 and the fourth wrapping machine 375 are all provided with a level switch 5; and feeding back the material state in the wrapping machine and the PLC intelligent controller, so that the purpose of stable conveying is achieved.
Example 8
The embodiment 8 of the present invention provides a wind-force-conveying fragile material self-adaptive control system which is substantially the same as that of embodiment 7, wherein the system further comprises:
The wind speed measurement signal acquisition module is used for acquiring wind speed data in the pipeline during material conveying;
the air supplementing pressure channeling level adjusting module is used for controlling and stabilizing the wind speed;
the wire feeding wind speed shifting level adjusting module is used for stabilizing wind pressure in the pipeline when the material is required;
and the alarm and self-adaptation module is used for safety prompt and fault adjustment of the whole system.
The air supplementing pressure channeling level adjusting module is stably connected with the pressure of each branch pipe of the main pipe; the wind speed is measured through a double wire feeding pipe, and the processed wind speed signal is used as feedback of a wire feeding wind speed shifting level adjusting module to adjust and stabilize the wire feeding wind speed; optimally controlling the wire feeding wind speed through pre-judging in advance; when wire feeding, the pipe blocking occurs, the alarm is immediately given out, and the automatic dredging is timely carried out.
In order to achieve the effects of better stabilizing wind speed and reducing energy consumption, the wind speed measurement signal acquisition module comprises a venturi sensor arranged on a wire feeding pipeline; the air supplementing pressure channeling level adjusting module comprises an intelligent electricity saver which is electrically connected with the centrifugal ventilator; the wire feeding wind speed shifting stage adjusting module comprises a first pneumatic adjusting butterfly valve, a second pneumatic adjusting butterfly valve and a fourth pneumatic adjusting butterfly valve which are arranged on the first branch pipe, the second branch pipe and the fourth branch pipe; the alarm and self-adaptive module comprises a PLC intelligent controller electrically connected with each electric appliance.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (6)
1. The self-adaptive control system for the wind power conveying of fragile materials is characterized by comprising a PLC intelligent controller, an intelligent electricity saver and a conveying device which are electrically connected with each other;
The conveying device comprises a centrifugal ventilator electrically connected with the intelligent electricity saver, the output end of the centrifugal ventilator is connected with a first wrapping machine through a conveying pipeline, the conveying pipeline comprises a main pipeline connected with the centrifugal ventilator and a first branch pipeline connected with the first wrapping machine, and the main pipeline is communicated with the first branch pipeline; the first branch pipeline is sequentially provided with a first pneumatic adjusting butterfly valve, a first pneumatic adjusting valve, a first pressure transmitter and a first flowmeter from one end close to the first wrapping machine to one end close to the main pipeline; a butterfly valve is arranged on the main pipeline and is positioned between the centrifugal ventilator and the first branch pipeline;
The first branch pipe is connected with the first wrapping machine through a first pneumatic cut-off valve;
the first wrapping machine is connected with a first wire feeding machine through a first wire feeding pipeline, and a second flowmeter is arranged on the first wire feeding pipeline;
One end of the main pipeline, which is far away from the centrifugal ventilator and the valve, is connected with a second branch pipeline and a third branch pipeline; one end of the second branch pipeline far away from the main pipeline is connected with a second wrapping machine; a second pneumatic adjusting butterfly valve, a second pneumatic adjusting valve, a second pressure transmitter and a third flowmeter are sequentially arranged on the second branch pipeline from one end close to the second wrapping machine to one end close to the main pipeline; the second branch pipe is connected with the second wrapping machine through a second pneumatic cut-off valve; the two second wire feeding pipelines are connected with a second wire feeding machine, the second wrapping machine is connected with the second wire feeding machine through the two second wire feeding pipelines, and one end, close to the second wrapping machine, of the two second wire feeding pipelines is converged into a pipeline which is connected with the second wrapping machine; a fourth flowmeter is arranged on each of the two second wire feeding pipelines; the connection structure between the third branch pipe and the second wire feeder is the same as the connection structure between the second branch pipe and the second wire feeder;
one end of the main pipeline, which is far away from the centrifugal ventilator and the valve, is connected with a fourth pipeline; one end of the fourth branch pipeline far away from the main pipeline is connected with a fourth wrapping machine; a fourth pneumatic adjusting butterfly valve, a fourth pneumatic adjusting valve, a fourth pressure transmitter and a fifth flowmeter are sequentially arranged on the fourth branch pipeline from one end close to the fourth wrapping machine to one end close to the main pipeline; the fourth branch pipe is connected with the fourth wrapping machine through a fourth pneumatic cut-off valve; the fourth winding machine is connected with a fourth wire feeder through two fourth wire feeding pipelines, and one ends of the two fourth wire feeding pipelines, which are close to the fourth winding machine, are converged into a pipeline which is connected with the fourth winding machine; a sixth flowmeter is arranged on each of the two fourth wire feeding pipelines;
according to the set different wind speeds, the starting number of the wrapping machines and the full signal of the wire collecting box of each wrapping machine, the output frequency of the wire collecting box is controlled according to a dynamic characteristic function curve, so that the required wind pressure of a main pipe of the wind balance system is kept relatively stable;
When the material is required, the pneumatic adjusting butterfly valve on each wire feeding branch pipe works at the opening of 60-80%; the pneumatic adjusting valve of the air supplementing pipe of each branch pipe works at the opening of 60-80% when the material is to be treated;
the dynamic characteristic function is:
wherein:
is the average value of the wind speed set value of each branch pipe, N, SV1, SV2, … … SVn are the wind speed set values of each branch pipe;
Σn is the number of the turnups of the wrapping machine; Σm is the sum of full signals of the wrapping machine on each branch pipeline;
k1, k2, k3, k4 are empirical coefficients and are set or modified according to the system site conditions.
2. The adaptive control system for pneumatic conveying fragile materials of claim 1, wherein said second flow meter, said fourth flow meter and said sixth flow meter each employ venturi sensors.
3. The adaptive control system for pneumatic conveying of fragile materials according to claim 2, wherein both the second wire feeding pipes and the fourth wire feeding pipes are smoothly converged into one pipe.
4. A wind powered fragile material adaptive control system in accordance with claim 3, wherein said first pneumatic regulator valve, said second pneumatic regulator valve, and said fourth pneumatic regulator valve are each provided with a muffler.
5. The adaptive control system for air-powered fragile material of claim 4, wherein said first wrapping machine, said second wrapping machine and said fourth wrapping machine are each provided with a level switch.
6. The adaptive control system for pneumatic conveying fragile materials of claim 5, further comprising:
The wind speed measurement signal acquisition module is used for acquiring wind speed data in the pipeline during material conveying;
the air supplementing pressure channeling level adjusting module is used for controlling and stabilizing the wind speed;
the wire feeding wind speed shifting level adjusting module is used for stabilizing wind pressure in the pipeline when the material is required;
and the alarm and self-adaptation module is used for safety prompt and fault adjustment of the whole system.
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| CN201810355740.5A CN108338404B (en) | 2018-04-19 | 2018-04-19 | Self-adaptive control system for wind power conveying fragile materials |
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| CN201810355740.5A CN108338404B (en) | 2018-04-19 | 2018-04-19 | Self-adaptive control system for wind power conveying fragile materials |
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| CN108338404B true CN108338404B (en) | 2024-07-05 |
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| CN111377243B (en) * | 2020-06-01 | 2020-08-28 | 山东天瑞重工有限公司 | A kind of pneumatic conveying system and its control method |
| CN112456427B (en) * | 2020-09-30 | 2024-12-20 | 上海上药第一生化药业有限公司 | A filling nitrogen system |
| CN113486609B (en) * | 2021-07-05 | 2022-04-19 | 河南城建学院 | A fluid material transmission device and method based on the Bernoulli principle of fluid mechanics |
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