CN108249164A - A kind of application method of vacuum control system - Google Patents
A kind of application method of vacuum control system Download PDFInfo
- Publication number
- CN108249164A CN108249164A CN201611250314.2A CN201611250314A CN108249164A CN 108249164 A CN108249164 A CN 108249164A CN 201611250314 A CN201611250314 A CN 201611250314A CN 108249164 A CN108249164 A CN 108249164A
- Authority
- CN
- China
- Prior art keywords
- frequency conversion
- conversion fan
- valve
- vacuum control
- control system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
-
- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
- B65G2203/025—Speed of the article
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a kind of application methods of vacuum control system, including vacuum control system and its application method, wherein, vacuum control system includes B/P EGR Back Pressure Transducer EGR, air-valve, wind valve controller, frequency conversion fan and controller, wherein, B/P EGR Back Pressure Transducer EGR is used to detect the negative pressure value in blast system pipeline;Air-valve is arranged in pipeline, plays the role of throttling, and wind valve controller is used for the aperture of adjusting air valve;Frequency conversion fan is set to pipeline one end, for forming negative pressure in pipeline;The signal input part of controller is connect with B/P EGR Back Pressure Transducer EGR, and signal output end is connect respectively with frequency conversion fan and wind valve controller;By above-mentioned vacuum control system, the negative pressure in system can be made to be consistent substantially, so as to the consistency of product quality, shorten the working time of wind turbine in high frequency, extend the service life of wind turbine, reduce energy consumption.
Description
Technical field
The present invention relates to cigarette production equipment technical field, more particularly to a kind of application method of vacuum control system.
Background technology
At present, the mode of the conveying generally use wind model of stem, using wind-force in stem stalk label, wet mass etc. it is miscellaneous
Object is rejected.
In the prior art, stem blast system by manually sending negative pressure to be adjusted wind by rule of thumb, with usage time
Increase, the dust-removal cloth-bag in blast system gradually blocks, and the negative pressure in blast system is gradually reduced, and causes stem batch
Interior selection by winnowing difference on effect caused by between batch, the homogeneity of stem processing cannot be guaranteed, the feelings of feed blocking in pipeline
Condition happens occasionally, no matter and production requirement size, dedusting fan will operate in maximum frequency values always, not only influence to use
Service life, and energy consumption can be caused.
Therefore, how to improve stem blast system, the negative pressure in it is made to be consistent substantially, improve the consistent of product quality
Property, energy consumption is reduced, extends the service life of equipment, becomes those skilled in the art's important technological problems urgently to be resolved hurrily.
Invention content
In view of this, the present invention provides a kind of application method of vacuum control system, to reach the negative pressure base made in it
Originally it is consistent, improves the consistency of product quality, reduce energy consumption, extend the purpose of the service life of equipment.
To achieve the above object, the present invention provides following technical solution:
A kind of application method of vacuum control system, including vacuum control system, the vacuum control system includes:
For detecting the B/P EGR Back Pressure Transducer EGR of the negative pressure value in pipeline;
The air-valve being arranged in the pipeline and the wind valve controller for adjusting the valve area;
It is set to the frequency conversion fan of described pipeline one end;
Controller, the signal input part of the controller are connect with the B/P EGR Back Pressure Transducer EGR, signal output end respectively with institute
State frequency conversion fan and wind valve controller connection;
The application method includes step:
1) negative pressure value in pipeline is detected, and detected value and negative pressure preset value are compared, if detected value is less than negative pressure
2) preset value then enters step, if detected value is more than negative pressure preset value, enter step 4);
2) preferentially increase the aperture of air-valve, if valve area has reached aperture preset value, improve the work of frequency conversion fan
Frequency;
3) when the working frequency of frequency conversion fan is increased to predetermined frequency value, output alarm signal;
4) working frequency of frequency conversion fan is preferentially reduced, if the working frequency of frequency conversion fan is reduced to minimum value, is reduced
The aperture of air-valve.
Preferably, the frequency conversion fan is centrifugal blower.
Preferably, the frequency conversion fan is provided with more, is connected in parallel on one end of the pipeline.
Preferably, the aperture of the air-valve is not less than 15 °.
Preferably, in the step 2), if valve area reaches 90%, the working frequency of frequency conversion fan is improved.
Preferably, in the step 3), when the working frequency of frequency conversion fan is increased to 90%, output alarm signal.
It can be seen from the above technical proposal that the application method of vacuum control system provided by the invention, including negative pressure control
System processed, vacuum control system include B/P EGR Back Pressure Transducer EGR, air-valve, wind valve controller, frequency conversion fan and controller, wherein, it bears
Pressure sensor is used to detect the negative pressure value in blast system pipeline;Air-valve is arranged in pipeline, plays the role of throttling, air-valve control
Device processed is used for the aperture of adjusting air valve;Frequency conversion fan is set to pipeline one end, for forming negative pressure in pipeline;The letter of controller
Number input terminal is connect with B/P EGR Back Pressure Transducer EGR, and signal output end is connect respectively with frequency conversion fan and wind valve controller;
The application method of above-mentioned vacuum control system is further included, including step:1) negative pressure value in pipeline is detected, and will inspection
Measured value is compared with preset value, if detected value is less than preset value, is entered step 2), if detected value is more than preset value, into
Enter step 4);2) preferentially increase the aperture of air-valve, if valve area has reached preset value, improve the work frequency of frequency conversion fan
Rate;3) when the working frequency of frequency conversion fan is increased to preset value, output alarm signal;4) work of frequency conversion fan is preferentially reduced
Frequency if the working frequency of frequency conversion fan is reduced to minimum value, reduces the aperture of air-valve;
In use, when preset value is not achieved in negative pressure, preferentially increased in pipeline by the aperture of adjusting air valve
Negative pressure, only when the aperture of air-valve reaches higher value or limiting value, just by increase the working frequency of frequency conversion fan come
Adjust negative pressure;It is corresponding, if negative pressure is more than preset value, the preferential working frequency for reducing frequency conversion fan, in frequency conversion fan
Working frequency reduce to a certain extent when, just throttled to adjust the negative pressure of pipeline, above-mentioned tune by adjusting air valve aperture
Section mode is provided to that the run time of frequency conversion fan in high frequency can be reduced, to extend the service life of frequency conversion fan, drop
Low energy consumption and discharge;When the aperture of air-valve reaches higher value or limiting value, while the frequency of frequency conversion fan has also reached higher
It is worth, the negative pressure in pipeline is still not achieved or reaches preset value reluctantly, then illustrates that the dust-extraction unit in system has occurred seriously
It blocks, needs to replace immediately, at this moment controller output alarm signal, staff is prompted to replace dust-extraction unit;
By the application method of above-mentioned vacuum control system, the negative pressure in system can be made to be consistent substantially, so as to
The consistency of product quality shortens the working time of wind turbine in high frequency, extends the service life of wind turbine, reduces energy consumption.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of vacuum control system provided in an embodiment of the present invention;
Fig. 2 is the flow chart of the application method of vacuum control system provided in an embodiment of the present invention.
Specific embodiment
The present invention provides a kind of application methods of vacuum control system, the negative pressure in it are made to keep one substantially to reach
It causes, improves the consistency of product quality, reduce energy consumption, extend the purpose of the service life of equipment.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the structure diagram of vacuum control system provided in an embodiment of the present invention.
The application method of a kind of vacuum control system provided in an embodiment of the present invention, including vacuum control system, negative pressure control
System processed includes B/P EGR Back Pressure Transducer EGR 1, air-valve 3, wind valve controller 4, frequency conversion fan 5 and controller 6.
Wherein, B/P EGR Back Pressure Transducer EGR 1 is used to detect the negative pressure value in blast system pipeline 2;Air-valve 3 is arranged in pipeline 2, is risen
To the effect of throttling, wind valve controller 4 is used for the aperture of adjusting air valve 3;Frequency conversion fan 5 is set to 2 one end of pipeline, in pipe
Negative pressure is formed in road 2, pipeline 2 is connected between feeder 8 and frequency conversion fan 5, and feeder 8 is used to stem being delivered to conveyer belt
7;The signal input part of controller 6 is connect with B/P EGR Back Pressure Transducer EGR 1, and signal output end controls respectively with frequency conversion fan 5 and air-valve
Device 4 connects.
The application method of above-mentioned vacuum control system is further included, referring to Fig. 2, Fig. 2 is provided in an embodiment of the present invention negative
The flow chart of the application method of pressure control system, including step:
S1:The negative pressure value in pipeline 2 is detected, and detected value and preset value are compared, if detected value is less than preset value,
S2 is then entered step, if detected value is more than preset value, enters step S4;
S2:The preferential aperture for increasing air-valve 3, if 3 aperture of air-valve has reached preset value, improves the work of frequency conversion fan 5
Frequency;
S3:When the working frequency of frequency conversion fan 5 is increased to preset value, output alarm signal;
S4:The preferential working frequency for reducing frequency conversion fan 5, if the working frequency of frequency conversion fan 5 is reduced to minimum value, subtracts
The aperture of small air-valve 3.
Compared with prior art, vacuum control system provided by the invention in use, is not achieved default in negative pressure
During value, the negative pressure in pipeline 2 is preferentially increased by the aperture of adjusting air valve 3, only the aperture of air-valve 3 reach higher value or
During person's limiting value, just negative pressure is adjusted by increasing the working frequency of frequency conversion fan 5;It is corresponding, it is preset if negative pressure is more than
Value then preferentially reduces the working frequency of frequency conversion fan 5, when the working frequency of frequency conversion fan 5 reduces to a certain extent, just passes through
3 aperture of adjusting air valve is throttled come the negative pressure for adjusting pipeline 2, and above-mentioned regulative mode is provided to that frequency conversion fan 5 can be reduced
Run time in high frequency to extend the service life of frequency conversion fan 5, reduces energy consumption and discharge;When the aperture of air-valve 3 reaches
Higher value or limiting value, while the frequency of frequency conversion fan 5 has also reached high value, the negative pressure in pipeline 2 be still not achieved or
Person reaches preset value reluctantly, then illustrates that Severe blockage has occurred in the dust-extraction unit in system, needs to replace immediately, at this moment controller
6 output alarm signals prompt staff to replace dust-extraction unit;
By above-mentioned vacuum control system and its application method, the negative pressure in system can be made to be consistent substantially, from
And the consistency of product quality, shorten the working time of wind turbine in high frequency, extend the service life of wind turbine, reduce energy consumption.
In above-mentioned vacuum control system, various structures, such as centrifugal, axial-flow type may be used in frequency conversion fan 5,
In embodiments of the present invention, frequency conversion fan 5 is centrifugal blower.
Above-mentioned technical proposal is advanced optimized, in above-mentioned vacuum control system, frequency conversion fan 5 is provided with more, and
One end of pipeline 2 is associated in, the quantity that controller 6 can also participate in the frequency conversion fan 5 of work by control is negative in pipeline 2 to adjust
It presses, so as to make control means diversified, and frequency conversion fan 5 can be safeguarded under the premise of whole system is non-stop-machine,
Improve working efficiency.
Preferably, in embodiments of the present invention, the aperture of air-valve 3 is not less than 15 ° always.
If the aperture of air-valves 3 is waited to reach after 100% in the working frequency for increasing frequency conversion fan 5, the sound of system may be caused
It answers speed slower, is unfavorable for the quick adjusting of negative pressure in system, therefore, in the step S2 of the embodiment of the present invention, when air-valve 3 is opened
When degree reaches 90%, that is, start to improve the working frequency of frequency conversion fan 5.
Above-mentioned technical proposal is advanced optimized, in order to protect frequency conversion fan 5, extends its service life, is implemented in the present invention
In the step S3 of example, when the working frequency of frequency conversion fan 5 is increased to 90%, output alarm signal, relative to when frequency conversion fan 5
Working frequency be increased to 100%, producers can be made just to obtain signal before frequency conversion fan 5 is at full capacity, so as in time
Adjustment reduces working time of the frequency conversion fan 5 under full load condition, helps to extend its service life.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (6)
1. a kind of application method of vacuum control system, which is characterized in that including vacuum control system, the vacuum control system
Including:
For detecting the B/P EGR Back Pressure Transducer EGR of the negative pressure value in pipeline;
The air-valve being arranged in the pipeline and the wind valve controller for adjusting the valve area;
It is set to the frequency conversion fan of described pipeline one end;
Controller, the signal input part of the controller are connect with the B/P EGR Back Pressure Transducer EGR, signal output end respectively with the change
Frequency wind turbine and wind valve controller connection;
The application method includes step:
1) negative pressure value in pipeline is detected, and detected value and negative pressure preset value are compared, if detected value is preset less than negative pressure
2) value, then enter step, if detected value is more than negative pressure preset value, enter step 4);
2) preferentially increase the aperture of air-valve, if valve area has reached aperture preset value, improve the working frequency of frequency conversion fan;
3) when the working frequency of frequency conversion fan is increased to predetermined frequency value, output alarm signal;
4) working frequency of frequency conversion fan is preferentially reduced, if the working frequency of frequency conversion fan is reduced to minimum value, reduces air-valve
Aperture.
2. the application method of vacuum control system according to claim 1, which is characterized in that the frequency conversion fan is centrifugation
Wind turbine.
3. the application method of vacuum control system according to claim 1, which is characterized in that the frequency conversion fan is provided with
More, it is connected in parallel on one end of the pipeline.
4. the application method of vacuum control system according to claim 1, which is characterized in that the aperture of the air-valve is not small
In 15 °.
5. according to the application method of claim 1-4 any one of them vacuum control systems, which is characterized in that the step 2)
In, if valve area reaches 90%, improve the working frequency of frequency conversion fan.
6. according to the application method of claim 1-4 any one of them vacuum control systems, which is characterized in that the step 3)
In, when the working frequency of frequency conversion fan is increased to 90%, output alarm signal.
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CN201611250314.2A CN108249164A (en) | 2016-12-29 | 2016-12-29 | A kind of application method of vacuum control system |
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CN201611250314.2A CN108249164A (en) | 2016-12-29 | 2016-12-29 | A kind of application method of vacuum control system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108263862A (en) * | 2016-12-30 | 2018-07-10 | 贵州中烟工业有限责任公司 | A kind of stem blast system and its vacuum control system |
CN111493357A (en) * | 2020-04-20 | 2020-08-07 | 浙江中烟工业有限责任公司 | Fan air suction system with load balancing function |
CN112959870A (en) * | 2021-03-16 | 2021-06-15 | 成都格力新晖医疗装备有限公司 | Mobile laboratory, and negative pressure control method and device for mobile laboratory |
CN115672918A (en) * | 2022-11-16 | 2023-02-03 | 福建鼎盛钢铁有限公司 | Dust removal energy-saving control method |
CN115849017A (en) * | 2022-12-02 | 2023-03-28 | 江西中烟工业有限责任公司 | Automatic pipeline air volume adjusting system and method |
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CN115849017A (en) * | 2022-12-02 | 2023-03-28 | 江西中烟工业有限责任公司 | Automatic pipeline air volume adjusting system and method |
CN115849017B (en) * | 2022-12-02 | 2024-08-20 | 江西中烟工业有限责任公司 | Automatic pipeline air quantity adjusting system and method |
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Application publication date: 20180706 |