CN108263862A - A kind of stem blast system and its vacuum control system - Google Patents
A kind of stem blast system and its vacuum control system Download PDFInfo
- Publication number
- CN108263862A CN108263862A CN201611265711.7A CN201611265711A CN108263862A CN 108263862 A CN108263862 A CN 108263862A CN 201611265711 A CN201611265711 A CN 201611265711A CN 108263862 A CN108263862 A CN 108263862A
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- Prior art keywords
- pipeline
- valve
- frequency conversion
- conversion fan
- vacuum control
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 101100444898 Mus musculus Egr1 gene Proteins 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of stem blast system and its vacuum control system, wherein, vacuum control system includes B/P EGR Back Pressure Transducer EGR, air-valve, wind valve controller, frequency conversion fan and controller, and 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 stem blast system and its vacuum cavitations system
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 stem blast system and its vacuum control system, made in it with reaching
Negative pressure is consistent substantially, improves the consistency of product quality, reduces energy consumption, extends the purpose of the service life of equipment.
To achieve the above object, the present invention provides following technical solution：
A kind of 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 institute
State frequency conversion fan and wind valve controller connection.
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 pipeline includes supervisor and the multiple branch pipes for being connected in parallel on described supervisor one end, the frequency conversion fan
The one end of the branch pipe far from the supervisor is arranged on, and switch valve is both provided on each branch pipe.
Preferably, the aperture of the air-valve is between 15 °~90 °.
A kind of stem blast system, including：
For conveying the conveyer belt of stem；
The feeder being set to above the conveyer belt and the pipeline connected with the feeder inner cavity；
As above any one of them vacuum control system, the frequency conversion fan are set to the pipeline far from the feeder
One end.
Preferably, the B/P EGR Back Pressure Transducer EGR is set between the air-valve and the feeder.
It can be seen from the above technical proposal that vacuum control system provided by the invention, including 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 pipe
Road one end, for forming negative pressure in pipeline；The signal input part of controller is connect with B/P EGR Back Pressure Transducer EGR, signal output end difference
It is connect with frequency conversion fan and wind valve controller；
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 above-mentioned vacuum control system, the negative pressure in system can be made to be consistent substantially, so as to product quality
Consistency 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 stem blast system provided in an embodiment of the present invention.
Specific embodiment
The present invention provides a kind of stem blast system and its vacuum control systems, the negative pressure in it are made to protect substantially to reach
The consistency for unanimously, improving product quality is held, reduces energy consumption, extends 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 stem blast system provided in an embodiment of the present invention.
A kind of vacuum control system provided in an embodiment of the present invention, including 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；The signal input part of controller 6 is connect with B/P EGR Back Pressure Transducer EGR 1, signal output end respectively with frequency conversion fan 5
And wind valve controller 4 connects.
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, the negative pressure in system can be made to be consistent substantially, so as to product quality
Consistency shortens the working time of wind turbine in high frequency, extends the service life of wind turbine, reduces 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.
In embodiments of the present invention, frequency conversion fan 5 is provided with more, is connected in parallel on one end of pipeline 2, and controller 6 can also lead to
The quantity of the frequency conversion fan 5 of control participation work is crossed to adjust the negative pressure in pipeline 2, 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.
Above-mentioned technical proposal is advanced optimized, in embodiments of the present invention, pipeline includes supervisor and is connected in parallel on supervisor one
Multiple branch pipes at end, frequency conversion fan 5 is arranged on the one end of branch pipe far from supervisor, and is both provided with switch valve on each branch pipe.
Preferably, in embodiments of the present invention, the aperture of air-valve 3 is between 15 °~90 °.
The embodiment of the present invention additionally provides a kind of stem blast system, including conveyer belt 7, feeder 8, pipeline 2 and bears
Pressure control system, wherein, conveyer belt 7 is used to convey stem；Feeder 8 is set to above conveyer belt 7, in pipeline 2 and feeder 8
Chamber connects；Vacuum control system is as above any one of them vacuum control system, and frequency conversion fan 5 is set to pipeline 2 far from falling
One end of glassware 8.
The negative pressure value of one end on pipeline close to one end of frequency conversion fan 5 and far from frequency conversion fan 5 may be
Difference, in order to further ensure the accuracy that B/P EGR Back Pressure Transducer EGR 1 measures, in embodiments of the present invention, B/P EGR Back Pressure Transducer EGR 1 is set to
Between air-valve 3 and feeder 8
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 (7)
1. a kind of vacuum control system, which is characterized in that 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.
2. vacuum control system according to claim 1, which is characterized in that the frequency conversion fan is centrifugal blower.
3. vacuum control system according to claim 1, which is characterized in that the frequency conversion fan is provided with more, parallel connection
In one end of the pipeline.
4. vacuum control system according to claim 3, which is characterized in that the pipeline includes supervisor and is connected in parallel on institute
Multiple branch pipes of supervisor one end are stated, the frequency conversion fan is arranged on the one end of the branch pipe far from the supervisor, and each branch
Switch valve is both provided on pipe.
5. vacuum control system according to claim 1, which is characterized in that the aperture of the air-valve 15 °~90 ° it
Between.
6. a kind of stem blast system, which is characterized in that including：
For conveying the conveyer belt of stem；
The feeder being set to above the conveyer belt and the pipeline connected with the feeder inner cavity；
Such as claim 1-5 any one of them vacuum control systems, the frequency conversion fan is set to the pipeline far from described
One end of feeder.
7. stem blast system according to claim 6, which is characterized in that the B/P EGR Back Pressure Transducer EGR is set to the air-valve
Between the feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265711.7A CN108263862A (en) | 2016-12-30 | 2016-12-30 | A kind of stem blast system and its vacuum control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265711.7A CN108263862A (en) | 2016-12-30 | 2016-12-30 | A kind of stem blast system and its vacuum control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108263862A true CN108263862A (en) | 2018-07-10 |
Family
ID=62771078
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611265711.7A Pending CN108263862A (en) | 2016-12-30 | 2016-12-30 | A kind of stem blast system and its vacuum control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108263862A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456149A (en) * | 2020-11-30 | 2021-03-09 | 河南中烟工业有限责任公司 | Pneumatic conveying system for cut stems |
| CN115285707A (en) * | 2022-07-13 | 2022-11-04 | 四川中烟工业有限责任公司 | On-line automatic metering control method for stem rejection amount |
| 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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| CN112456149A (en) * | 2020-11-30 | 2021-03-09 | 河南中烟工业有限责任公司 | Pneumatic conveying system for cut stems |
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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 |
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Application publication date: 20180710 |
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