CN107238475A - A kind of bag-type duster filtering bag on-line real time monitoring system - Google Patents
A kind of bag-type duster filtering bag on-line real time monitoring system Download PDFInfo
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- CN107238475A CN107238475A CN201710516365.3A CN201710516365A CN107238475A CN 107238475 A CN107238475 A CN 107238475A CN 201710516365 A CN201710516365 A CN 201710516365A CN 107238475 A CN107238475 A CN 107238475A
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- filter bag
- flow rate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention discloses a kind of bag-type duster filtering bag on-line real time monitoring system, including air flow rate sensor, located in dirt pocket at the air outlet of every filter bag, the gas flow rate data for gathering filter bag air outlet；Sensor module, correspondence dirt pocket is set, and each sensor module is used to receive the filter bag gas flow rate data that air flow rate sensor is gathered in correspondence dirt pocket；PLC electrical control cubicles, are connected with sensor module, the filter bag gas flow rate data for receiving sensor module transmission；Central Control Room, is connected with PLC electrical control cubicles, the filter bag gas flow rate data for receiving the upload of PLC electrical control cubicles, and the gas flow rate data of every filter bag is handled and exported, and sends alarm signal when data occur abnormal.The present invention monitors the outlet air flow velocity for often filtering filter bag by real-time tracking, and the air-flow that every filter bag passes through is analyzed and processed in real time, when filter bag air-flow occurs obvious abnormal, can be accurately positioned damaged filter bag, accomplish precise positioning.
Description
Technical field
The present invention relates to a kind of sack cleaner technical field, and in particular to a kind of bag-type duster filtering bag is supervised in real time online
Examining system.
Background technology
Because country requires more and more higher to environment protection treating, standard is more and more harsh, to the filter bag quality of sack cleaner
Requirements at the higher level are proposed, can accomplish to safeguard in time and change filter bag, it is ensured that emission compliance, into the focal point of producer.When except
When little damage occurs in part filter bag in dirt device, it is impossible to accomplish discovery in time, until finding, normal conditions have all compared
Seriously, now it is difficult which filter bag damage discovery has by hand inspection.The workload entirely overhauled is very big, while in maintenance
During, all filter bags are extracted out and checked, originally intact filter bag is easily caused and is damaged.
Current existing deduster leak detector is by detecting that the dust of the air outlet of whole dirt pocket or deduster is dense
Spend to determine whether bad bag.Major defect has：1st, not enough, error is larger for precision.One dirt pocket may have tens or even
Up to a hundred filter bags, when the dust concentration for detecting a room is exceeded, now may occurrence of large-area bad bag；2nd, position not
It is accurate, it is difficult to overhaul.When the air outlet dust concentration of one room or whole deduster is exceeded, filter that need to be to the room or whole deduster
Bag is checked, is often difficult to find damaged filter bag in checking process, maintenance workload is huge.
The content of the invention
Goal of the invention：Present invention aims at there is provided a kind of bag-type duster filtering bag is online in view of the shortcomings of the prior art
Real-time monitoring system, can realize to every filter bag real-time tracking monitoring, accomplish precise positioning.
Technical scheme：Bag-type duster filtering bag on-line real time monitoring system of the present invention, including gas flow rate sensing
Device, located in dirt pocket at the air outlet of every filter bag, the gas flow rate data for gathering filter bag air outlet；Sensor die
Group, correspondence dirt pocket is set, and each sensor module is used to receive the filter that air flow rate sensor is gathered in correspondence dirt pocket
Bag gas flow rate data；PLC electrical control cubicles, are connected with sensor module, the filter bag gas stream for receiving sensor module transmission
Fast data；Central Control Room, is connected with PLC electrical control cubicles, the filter bag gas flow rate data for receiving the upload of PLC electrical control cubicles, to every
The gas flow rate data of filter bag is handled and exported, and sends alarm signal when data occur abnormal.For each filter bag
Air flow rate sensor is respectively mounted, is capable of the gas flow rate data of each filter bag of precise positioning, passes through sensor module, PLC electricity
Control cabinet, the data transmission procedure of Central Control Room, it is ensured that data transfer temperature.
Above-mentioned technical proposal is further improved, the air flow rate sensor is filtered according to default collection period taken at regular intervals
The gas flow rate data of bag air outlet.
Further, the Central Control Room according to filter bag gas flow rate data carry out the single filter bag curve map of analyzing and processing generation,
Data and curves comparison diagram between historical data curve comparison figure, filter bag.
Further, the Central Control Room includes the filtering effects factor, the shadow to filter bag gas flow rate data processing procedure
Ringing the factor includes industrial and mineral change, filter bag position, pulse jetting deashing, filter bag aging.
Further, the Central Control Room sets the normality threshold scope of gas flow rate data, when the gas of filter bag air outlet
When flow speed data exceeds threshold range, alarm signal is sent.
Further, the Central Control Room is according to data and curves comparison diagram, discharge pipe between historical data curve comparison figure, filter bag
Track data curve comparison figure generates filter bag normality threshold scope.
Filter bag on line real-time monitoring method is carried out using said system, comprised the following steps：
（1）Collection period, the quantity of air flow rate sensor are set, gather every in dirt pocket in real time by air flow rate sensor
Gas flow rate data at bar filter bag air outlet；
（2）The filter bag gas flow rate data of each dirt pocket is transmitted to corresponding sensor module after collecting；
（3）Sensor module is by the data transfer after collecting to PLC electrical control cubicles；
（4）Data are uploaded to Central Control Room by PLC electrical control cubicles, and Central Control Room is handled according to every filter bag gas flow rate data, mistake
Filter data and curves comparison diagram between the single filter bag tracing analysis figure of factor of influence generation, historical data curve comparison figure, filter bag；
（5）Central Control Room is according to historical data curve comparison figure, and data and curves comparison diagram generates the threshold value model of each filter bag between filter bag
Enclose, when the real-time gas flow speed data of the filter bag exceeds threshold range, Central Control Room output alarm signal.
Beneficial effect：The bag-type duster filtering bag on-line monitoring system that the present invention is provided, is often filtered by real-time tracking monitoring
The outlet air flow velocity of filter bag, is analyzed and processed to the air-flow that every filter bag passes through in real time, is occurred in filter bag air-flow substantially different
Chang Shi, can be accurately positioned damaged filter bag, be changed, and realize and every filter bag real-time tracking is monitored, accomplish precise positioning；To every
The air velocity of bar filter bag is modeled analysis, forms flow velocity analysis graph, is effectively reduced systematic error.；It is easy for installation,
The normal operation and maintenance of deduster are not influenceed.
Brief description of the drawings
Fig. 1 is theory diagram of the invention；
Fig. 2 is implementation process figure of the invention；
Fig. 3 is display schematic diagram of the invention；
Fig. 4, Fig. 5 are the real-time air monitoring figure of the single filter bag of the present invention.
Embodiment
Technical solution of the present invention is described in detail below by accompanying drawing, but protection scope of the present invention is not limited to
The embodiment.
Embodiment 1：Bag-type duster filtering bag on-line real time monitoring system as shown in Figure 1, including in 4 dirt pockets
Place's air flow rate sensor above the air outlet of every filter bag, 4 dirt pockets of correspondence are each removed provided with 4 sensor modules
It is connected after the sensor parallel of dirt room by sensor module with deduster PLC electrical control cubicles, PLC electrical control cubicles are connected to by optical fiber
Central Control Room.
The filtration velocity of deduster is generally determined by Fan Selection, because the industrial and mineral of production line is unstable, filtration velocity meeting
There are system-level minor fluctuations；Secondly as the angle and the difference of lift of air inlet air-flow, filter bag installation site also have difference
Not；Furthermore, deduster in deashing can regular blows air, these factors can all influence the outlet air flow velocity of filter bag, cause
The outlet air flow velocity feature of every filter bag can have differences.As shown in Fig. 2 the monitoring system that the present invention is provided can be adopted in real time
Collect filter bag outlet air flow velocity and deduster air outlet air velocity, air flow rate sensor according to setting collection period
（No less than 1 second）Filter bag air outlet air-flow real-time speed data periodically are passed sequentially through into sensor module, PLC electrical control cubicles to upload to
The host computer of Central Control Room；Analyzed and processed after the host computer data storage of Central Control Room, filter all kinds of factors of influence（Including but not
It is limited to the factors of influence such as industrial and mineral change, filter bag position difference, pulse jetting deashing, filter bag aging）, form single filter bag tracing analysis
Figure, data curve comparison figure, deduster air outlet air velocity data curve comparison between historical data curve comparison figure, filter bag
Figure, and single filter bag normality threshold scope is set according to comparison chart, exceed normality threshold scope in the single filter bag data gathered in real time
When send alarm and reminding.
As shown in Figures 3 to 5, the present invention is shown to the real-time wind speed of filter bag air outlet in each dirt pocket, and pin
Normality threshold scope is set to each filter bag, in data exception to protrude the color mark filter bag, positioning in time can be prepared
To damaged filter bag, point out to be changed；Meanwhile, it can also monitor the real time filtering wind speed of single filter bag.
As described above, although the present invention has been represented and described with reference to specific preferred embodiment, it must not be explained
For to the limitation of itself of the invention., can be right under the premise of the spirit and scope of the present invention that appended claims are defined are not departed from
Various changes can be made in the form and details for it.
Claims (7)
1. a kind of bag-type duster filtering bag on-line real time monitoring system, it is characterised in that including：
Air flow rate sensor, located in dirt pocket at the air outlet of every filter bag, the gas stream for gathering filter bag air outlet
Fast data；
Sensor module, correspondence dirt pocket is set, and each sensor module is used to receive gas flow rate sensing in correspondence dirt pocket
The filter bag gas flow rate data that device is gathered；
PLC electrical control cubicles, are connected with sensor module, the filter bag gas flow rate data for receiving sensor module transmission；
Central Control Room, is connected with PLC electrical control cubicles, the filter bag gas flow rate data for receiving the upload of PLC electrical control cubicles, to every filter bag
Gas flow rate data handled and exported, and send alarm signal when data occur abnormal.
2. bag-type duster filtering bag on-line real time monitoring system according to claim 1, it is characterised in that：The gas stream
Fast sensor according to default collection period taken at regular intervals filter bag air outlet gas flow rate data.
3. bag-type duster filtering bag on-line real time monitoring system according to claim 1, it is characterised in that：The Central Control Room
Number between the single filter bag tracing analysis figure of processing generation, historical data curve comparison figure, filter bag is carried out according to filter bag gas flow rate data
According to curve comparison figure.
4. bag-type duster filtering bag on-line real time monitoring system according to claim 3, it is characterised in that：The Central Control Room
To filter bag gas flow rate data processing procedure include the filtering effects factor, the factor of influence include industrial and mineral change, filter bag position,
Pulse jetting deashing, filter bag aging.
5. bag-type duster filtering bag on-line real time monitoring system according to claim 3, it is characterised in that：The Central Control Room
The normality threshold scope of gas flow rate data is set, when the gas flow rate data of filter bag air outlet exceeds threshold range, is sent
Alarm signal.
6. bag-type duster filtering bag on-line real time monitoring system according to claim 5, it is characterised in that：The hollow chamber
According to data and curves comparison diagram, wind pipe data and curves comparison diagram generation filter bag between historical data curve comparison figure, filter bag just
Normal threshold range.
7. filter bag on line real-time monitoring method is carried out according to any system of claim 1 to 6, it is characterised in that including such as
Lower step：
（1）Collection period, the quantity of air flow rate sensor are set, gather every in dirt pocket in real time by air flow rate sensor
Gas flow rate data at bar filter bag air outlet；
（2）The filter bag gas flow rate data of each dirt pocket is transmitted to corresponding sensor module after collecting；
（3）Sensor module is by the data transfer after collecting to PLC electrical control cubicles；
（4）Data are uploaded to Central Control Room by PLC electrical control cubicles, and Central Control Room is handled according to every filter bag gas flow rate data, mistake
Filter data and curves comparison diagram between the single filter bag tracing analysis figure of factor of influence generation, historical data curve comparison figure, filter bag；
（5）Central Control Room is according to historical data curve comparison figure, and data and curves comparison diagram generates the threshold value model of each filter bag between filter bag
Enclose, when the real-time gas flow speed data of the filter bag exceeds threshold range, Central Control Room output alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516365.3A CN107238475A (en) | 2017-06-29 | 2017-06-29 | A kind of bag-type duster filtering bag on-line real time monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516365.3A CN107238475A (en) | 2017-06-29 | 2017-06-29 | A kind of bag-type duster filtering bag on-line real time monitoring system |
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| CN107238475A true CN107238475A (en) | 2017-10-10 |
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| CN201710516365.3A Pending CN107238475A (en) | 2017-06-29 | 2017-06-29 | A kind of bag-type duster filtering bag on-line real time monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141000A (en) * | 2018-11-06 | 2020-05-12 | 奥克斯空调股份有限公司 | Mobile air conditioner air outlet abnormity prompting method and mobile air conditioner |
| CN111289039A (en) * | 2020-03-20 | 2020-06-16 | 盐城市纤维检验所 | Dust removal filter bag online detection method |
| CN112076553A (en) * | 2020-08-27 | 2020-12-15 | 盐城工学院 | Dust removal filter bag failure removal system |
| CN115105902A (en) * | 2022-08-29 | 2022-09-27 | 启东凯顺机械制造有限公司 | Early warning method for replacement time of filter bag for filtering industrial dust |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141000A (en) * | 2018-11-06 | 2020-05-12 | 奥克斯空调股份有限公司 | Mobile air conditioner air outlet abnormity prompting method and mobile air conditioner |
| CN111141000B (en) * | 2018-11-06 | 2021-05-18 | 奥克斯空调股份有限公司 | Mobile air conditioner air outlet abnormity prompting method and mobile air conditioner |
| CN111289039A (en) * | 2020-03-20 | 2020-06-16 | 盐城市纤维检验所 | Dust removal filter bag online detection method |
| CN112076553A (en) * | 2020-08-27 | 2020-12-15 | 盐城工学院 | Dust removal filter bag failure removal system |
| CN115105902A (en) * | 2022-08-29 | 2022-09-27 | 启东凯顺机械制造有限公司 | Early warning method for replacement time of filter bag for filtering industrial dust |
| CN115105902B (en) * | 2022-08-29 | 2022-11-15 | 启东凯顺机械制造有限公司 | Early warning method for replacement time of filter bag for filtering industrial dust |
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Application publication date: 20171010 |