CN102764550A - Leakage detecting device of bag-type dust remover and leakage detecting method thereof - Google Patents
Leakage detecting device of bag-type dust remover and leakage detecting method thereof Download PDFInfo
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- CN102764550A CN102764550A CN2012102728512A CN201210272851A CN102764550A CN 102764550 A CN102764550 A CN 102764550A CN 2012102728512 A CN2012102728512 A CN 2012102728512A CN 201210272851 A CN201210272851 A CN 201210272851A CN 102764550 A CN102764550 A CN 102764550A
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Abstract
The invention discloses a leakage detecting device of a bag-type dust remover. The leakage detecting device comprises a controller, automatic control valves and a dust concentration online detector. The automatic control valves are disposed at air outlets of unit bins of the bag-type dust remover. The dust concentration online detector is disposed on a main exhaust pipe or a chimney of the bag-type dust remover. Detecting signals of the dust concentration online detector is output to the controller. Control signals are output by the controller to the automatic control valves. By using the controller to control open and close of the automatic control valves and by the aid of the dust concentration online detector, leakage detecting of the bag-type dust remover is achieved. The leakage detecting device is simple in structure, easy to operate, low in detecting time, efficient, and high in precision. Compared with other leakage detecting devices, the leakage detecting device has small components, small fault positions, and high reliability. A controller and valves of the bag-type dust remover can be used as the controller and the automatic control valves of the leakage detecting device, so that initial investment is low. In addition, the leakage detecting device has small power consumption devices, and operation cost of the leakage detecting device is low.
Description
Technical field
The present invention relates to the cleaner field, be specifically related to a kind of leakage detection apparatus of sack cleaner.
Background technology
The sack cleaner leakage detection apparatus is to be used for the cloth bag in the sack cleaner is carried out the equipment of online leak detection.Generally, a tablecloth bag dust collector is divided into several (tens is up to a hundred) storehouses, unit, in each storehouse, unit, contains many cloth bags again, and tens at least, several thousand up to ten thousand at most.After the cloth bag of sack cleaner was run-down, the dust concentration in deduster exit sharply increased.If can not in time judge storehouse, the residing unit of run-down filter bag and replacing, can cause a large amount of dust emissions in atmosphere on the one hand, contaminated air; Then dust can cause wearing and tearing to draught fan impeller on the other hand, shortens fan life.Therefore, be the safe and stable operation of safeguards system, every cover sack cleaner all need be provided with leakage detection apparatus, and domestic and international existing sack cleaner leakage detection apparatus mainly contains at present:
1, through the direct dust concentration on-line detector that in the outlet in each storehouse, unit of deduster, is provided with, and damaged according to the cloth bag in which storehouse, unit of value judgement of determination data;
2, through directly in the import and export in each storehouse, unit of deduster, pressure difference transmitter being set, judge that according to the value of pressure difference transmitter the cloth bag in which storehouse, unit is damaged.
The drawback of above-mentioned detection method is:
1, dust concentration checkout gear differential pressure transmitter is set on each storehouse, unit, cost is high, poor sensitivity;
2, measuring point is many, the trouble point is many, as long as certain several measured value is inaccurate, whole system can't be judged the damaged storehouse, unit of cloth bag;
3, the package unit maintenance is big, service life short.
Summary of the invention
In view of this; The purpose of this invention is to provide a kind of sack cleaner leakage detection apparatus; It only need be provided with a dust concentration on-line detector can realize the leak detection to sack cleaner, can reduce the leakage detection apparatus cost, improves the functional reliability and the service life of device.Concrete technical scheme of the present invention is following:
A kind of sack cleaner leakage detection apparatus; Comprise controller, be arranged at the autocontrol valve on each storehouse, unit air outlet of sack cleaner and be arranged at total exhaust duct of sack cleaner or the dust concentration on-line detector on the chimney; The detection signal input controller of said dust concentration on-line detector, said controller is exported control signal to autocontrol valve.
Further, also comprise alarm, said controller is also to the alarm output alarm signal;
Further, said controller is the controller of sack cleaner;
Further, said autocontrol valve is the valve that each storehouse, unit of sack cleaner self is provided with.
A kind of leak hunting method of aforementioned sack cleaner leakage detection apparatus may further comprise the steps:
May further comprise the steps:
A, in controller, set to start the alarming value that leakage detection apparatus is patrolled and examined operation;
B, when the detected value of dust concentration on-line detector during more than or equal to alarming value; Patrol and examine beginning; The storehouse, unit of the selected sack cleaner of controller is as detected object; Controller will cut out as the autocontrol valve in the storehouse, unit of detected object, and the autocontrol valve of controlling storehouse, non-detected object unit is held open state, wait for to the detected value of dust concentration on-line detector stable; If the steady state detection value is more than or equal to alarming value, then storehouse, detected object unit is the run-down storehouse of non-filter bag, and controller is selected storehouse, a unit else and continued to patrol and examine as detected object; If the steady state detection value reaches or during near the normal runtime value of deduster, storehouse, detected object unit is the run-down storehouse of filter bag, patrols and examines end.
Beneficial effect of the present invention: sack cleaner leakage detection apparatus of the present invention and leak hunting method thereof, through the keying of controller control autocontrol valve and the leak detection that the dust concentration on-line detector is realized sack cleaner, it mainly contains following advantage:
1, simple for structure, the easy operating of leakage detection apparatus; It is run-down that the keying of remote controlled each the storehouse autocontrol valve of operating personnel knows that promptly filter bag has appearred in which storehouse, the leak detection high efficiency, and the degree of accuracy is high.
2, leakage detection apparatus is reliable and stable; Compare other leak detector, leakage detection apparatus building block of the present invention is few, and the link that can break down is few.
3, remarkable in economical benefits; The controller and the valve of its controller and autocontrol valve sack cleaner self all capable of using, initial cost is low, and current consuming apparatus is few when moving simultaneously, and operating cost is also low; And its leak detection positional accuracy is high, can save the time of finding out the leak-off pocket position for deduster, reduces the system shutdown time, improves business economic and social benefit.
4, obvious environment benefit; This leakage detection apparatus can detect the run-down storehouse, unit of filter bag at short notice; Reduce atmosphere pollution and reach the wearing and tearing to draught fan impeller, and the sensitivity of dust concentration on-line detector is adjustable, sensitivity is high more; Patrol and examine frequently more, the pollution that atmospheric environment is caused is just more little.
Description of drawings
Fig. 1 is the structural representation of sack cleaner leakage detection apparatus of the present invention;
Fig. 2 is the leak detection process flow diagram flow chart.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in the figure; Present embodiment sack cleaner leakage detection apparatus; Comprise controller 1, be arranged at the autocontrol valve 3 on each storehouse, unit 2 air outlet of sack cleaner and be arranged at the dust concentration on-line detector 5 on the chimney 4 of sack cleaner; The detection signal input controller 1 of said dust concentration on-line detector 5, said controller 1 is to autocontrol valve 3 output control signals.Certainly, in different embodiments, said dust concentration on-line detector 5 also can be arranged on total exhaust duct 6 of sack cleaner.
Dust concentration on-line detector 5 is used to detect the dust concentration in the chimney 4, and when dust concentration exceeded setting value, controller 1 was just controlled autocontrol valve 3 actions in each storehouse, unit 2 of sack cleaner, and each storehouse, unit is patrolled and examined.
As the improvement to present embodiment, said sack cleaner leakage detection apparatus also comprises alarm 7, and said controller 1 starts alarm 7 warnings and the run-down situation of filter bag occurs to remind the staff, and begin to patrol and examine to alarm 7 output alarm signals.
As the improvement to present embodiment, said controller 1 is the controller of sack cleaner, and the controller of leakage detection apparatus and the integrated setting of the controller of sack cleaner can be practiced thrift equipment investment, simplied system structure; Certainly in different embodiments, both also can use independently controller separately.
As the improvement to present embodiment, said autocontrol valve 3 is the valve that each storehouse, unit 2 of sack cleaner is provided with self, and this structure can be practiced thrift equipment investment, simplifies the dust pelletizing system structure; Certainly in different embodiments, controllable valve door separately also can be independently used in each storehouse, unit of leakage detection apparatus and sack cleaner.
The leak hunting method of present embodiment sack cleaner leakage detection apparatus may further comprise the steps:
May further comprise the steps:
A, in controller 1, set to start the alarming value that leakage detection apparatus is patrolled and examined operation;
B, when the detected value of dust concentration on-line detector during more than or equal to alarming value; Patrol and examine beginning; The storehouse, unit 2 of controller 1 a selected sack cleaner is as detected object; Controller 1 will cut out as the autocontrol valve 3 in the storehouse, unit 2 of detected object, and the autocontrol valve 3 of controlling storehouse, non-detected object unit is held open state, wait for to the detected value of dust concentration on-line detector 5 stable; If the steady state detection value is more than or equal to alarming value, then storehouse, detected object unit is the run-down storehouse of non-filter bag, and controller is selected storehouse, a unit else and continued to patrol and examine as detected object; If the steady state detection value reaches or during near the normal runtime value of deduster, storehouse, detected object unit is the run-down storehouse of filter bag, patrols and examines end.
Operation principle in the face of present embodiment sack cleaner leakage detection apparatus is described in detail down:
Start the sack cleaner system, and according to design load/empirical value in controller 1, set alarming value (rule of thumb, be example with the sack cleaner in storehouse, 24 unit, every run-down 1 filter bag, concentration of emission increases 10mg/m approximately
3) and patrol and examine scheme.
Dust concentration on-line detector 5 work is passed to measured data in the controller 1, through relatively alarming value and measured value, if measured value less than alarming value, then system's operation is normal; Otherwise, then have filter bag run-down.
Detect occur filter bag run-down after, according to patrolling and examining automatically of setting/ manually patrol and examine and confirm,, then begin immediately if be set in advance patrol and examine automatically; Otherwise need manually to click to patrol and examine button.Routine inspection mode can increase progressively from first storehouse of sack cleaner gradually, till finding storehouse, run-down filter bag place; Also can manual intervention patrol and examine order, independently customize the precedence of patrolling and examining in each storehouse; Simultaneously, patrol and examine strategy, find out the storehouse, unit of run-down filter bag as early as possible, can write down sequencing, preferential the longest storehouse, unit of testing time according to changing filter bag in order to optimize.
During touring the detection; With the storehouse, a unit in the sack cleaner as detected object; And will not that the autocontrol valve 3 in the storehouse, unit 2 of detected object is opened; Close autocontrol valve 3 simultaneously, wait for detected value stable (time length is decided according to the sensitivity of dust concentration on-line detector 5) to dust concentration on-line detector 5 as the storehouse, unit 2 of detected object.When the detected value of stable state during still more than or equal to alarming value; Then storehouse, detected object unit 2 is the run-down storehouse of non-filter bag; Controller 1 alternative storehouse, Unit one continues to patrol and examine as detected object; When detected value reaches or during near the normal runtime value of deduster (number range of this normal runtime value for setting, and need set according to dissimilar dust pelletizing systems), then shows the run-down filter bag of appearance storehouse, detected object unit in.After detecting the storehouse, unit that run-down filter bag occurs, controller 1 turns back to the result on the HMI picture immediately, and the autocontrol valve 3 that continues this storehouse, unit of retentive control is in closed condition, and the staff can change run-down cloth bag immediately.After the end, can operating system get into normal operation mode.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. sack cleaner leakage detection apparatus; It is characterized in that: comprise controller, be arranged at the autocontrol valve on each storehouse, unit air outlet of sack cleaner and be arranged at total exhaust duct of sack cleaner or the dust concentration on-line detector on the chimney; The detection signal input controller of said dust concentration on-line detector, said controller is exported control signal to autocontrol valve.
2. sack cleaner leakage detection apparatus according to claim 1 is characterized in that: also comprise alarm, said controller is also to the alarm output alarm signal.
3. sack cleaner leakage detection apparatus according to claim 1 and 2 is characterized in that: said controller is the controller of sack cleaner.
4. sack cleaner leakage detection apparatus according to claim 1 and 2 is characterized in that: said autocontrol valve is the valve that each storehouse, unit of sack cleaner self is provided with.
5. the leak hunting method of arbitrary said sack cleaner leakage detection apparatus among the claim 1-4 is characterized in that: may further comprise the steps:
A, in controller, set to start the alarming value that leakage detection apparatus is patrolled and examined operation;
B, when the detected value of dust concentration on-line detector during more than or equal to alarming value; Patrol and examine beginning; The storehouse, unit of the selected sack cleaner of controller is as detected object; Controller will cut out as the autocontrol valve in the storehouse, unit of detected object, and the autocontrol valve of controlling storehouse, non-detected object unit is held open state, wait for to the detected value of dust concentration on-line detector stable; If the steady state detection value is more than or equal to alarming value, then storehouse, detected object unit is the run-down storehouse of non-filter bag, and controller is selected storehouse, a unit else and continued to patrol and examine as detected object; If the steady state detection value reaches or during near the normal runtime value of deduster, storehouse, detected object unit is the run-down storehouse of filter bag, patrols and examines end.
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| CN2012102728512A CN102764550A (en) | 2012-08-02 | 2012-08-02 | Leakage detecting device of bag-type dust remover and leakage detecting method thereof |
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| CN2012102728512A CN102764550A (en) | 2012-08-02 | 2012-08-02 | Leakage detecting device of bag-type dust remover and leakage detecting method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830973A (en) * | 2012-11-22 | 2014-06-04 | 丹东东方测控技术有限公司 | Micro-power dust removing device and method capable of alarming filterability deterioration |
| CN104436901A (en) * | 2014-11-11 | 2015-03-25 | 武汉钢铁(集团)公司 | Method for finding damage position of dust collecting bag on pulse dust collector in online manner during back blowing |
| CN104443582A (en) * | 2014-12-10 | 2015-03-25 | 秦皇岛燕大源达机电科技股份有限公司 | Damage detection device for Inner bags of large powder packaging bags |
| CN104535466A (en) * | 2015-01-09 | 2015-04-22 | 靖江市恩菲环境工程技术研究所 | Dust concentration monitoring method and system and PLC |
| CN105126479A (en) * | 2015-09-30 | 2015-12-09 | 上海毅帆环保科技有限公司 | On-line fixed-point perpendicular incidence type leak detection device for bag type dust collector and detection method |
| CN105363296A (en) * | 2014-08-13 | 2016-03-02 | 中冶宝钢技术服务有限公司 | A leak detection device of a bag dust collector and a leak detection method thereof |
| CN107158831A (en) * | 2017-07-18 | 2017-09-15 | 江苏鼎盛滤袋有限公司 | A kind of dedusting filtering bag with damage testing function |
| CN107238475A (en) * | 2017-06-29 | 2017-10-10 | 江苏鼎昇环保科技有限公司 | A kind of bag-type duster filtering bag on-line real time monitoring system |
| CN109682730A (en) * | 2018-11-13 | 2019-04-26 | 北京天凯华尊科技有限公司 | Dirt pocket leak-off pocket detection method and dirt pocket leak-off pocket detection device |
| CN110585811A (en) * | 2019-08-15 | 2019-12-20 | 杭州科灵威识精密仪器有限公司 | Bag collector monitoring and diagnostic analysis system |
| CN112156585A (en) * | 2020-09-15 | 2021-01-01 | 中南钻石有限公司 | Dust collecting equipment leak hunting device |
| CN114602251A (en) * | 2022-03-11 | 2022-06-10 | 邢台钢铁有限责任公司 | Rapid diagnosis method for bag damage fault of bag type dust collector |
| CN114832517A (en) * | 2022-06-17 | 2022-08-02 | 河南工小艺物联科技有限公司 | Pulse control system with bag breaking and positioning functions |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830973A (en) * | 2012-11-22 | 2014-06-04 | 丹东东方测控技术有限公司 | Micro-power dust removing device and method capable of alarming filterability deterioration |
| CN105363296A (en) * | 2014-08-13 | 2016-03-02 | 中冶宝钢技术服务有限公司 | A leak detection device of a bag dust collector and a leak detection method thereof |
| CN104436901A (en) * | 2014-11-11 | 2015-03-25 | 武汉钢铁(集团)公司 | Method for finding damage position of dust collecting bag on pulse dust collector in online manner during back blowing |
| CN104436901B (en) * | 2014-11-11 | 2016-03-02 | 武汉钢铁(集团)公司 | The method of dust-removal cloth-bag damage location on pulse dust collector is searched online during blowback |
| CN104443582A (en) * | 2014-12-10 | 2015-03-25 | 秦皇岛燕大源达机电科技股份有限公司 | Damage detection device for Inner bags of large powder packaging bags |
| CN104443582B (en) * | 2014-12-10 | 2016-08-24 | 秦皇岛燕大源达机电科技股份有限公司 | Powder body big packaging bag inner bag damage detection device |
| CN104535466A (en) * | 2015-01-09 | 2015-04-22 | 靖江市恩菲环境工程技术研究所 | Dust concentration monitoring method and system and PLC |
| CN105126479A (en) * | 2015-09-30 | 2015-12-09 | 上海毅帆环保科技有限公司 | On-line fixed-point perpendicular incidence type leak detection device for bag type dust collector and detection method |
| CN107238475A (en) * | 2017-06-29 | 2017-10-10 | 江苏鼎昇环保科技有限公司 | A kind of bag-type duster filtering bag on-line real time monitoring system |
| CN107158831A (en) * | 2017-07-18 | 2017-09-15 | 江苏鼎盛滤袋有限公司 | A kind of dedusting filtering bag with damage testing function |
| CN107158831B (en) * | 2017-07-18 | 2018-04-24 | 江苏鼎盛滤袋有限公司 | It is a kind of that there is the dedusting filtering bag of damage testing |
| CN109682730A (en) * | 2018-11-13 | 2019-04-26 | 北京天凯华尊科技有限公司 | Dirt pocket leak-off pocket detection method and dirt pocket leak-off pocket detection device |
| CN110585811A (en) * | 2019-08-15 | 2019-12-20 | 杭州科灵威识精密仪器有限公司 | Bag collector monitoring and diagnostic analysis system |
| CN112156585A (en) * | 2020-09-15 | 2021-01-01 | 中南钻石有限公司 | Dust collecting equipment leak hunting device |
| CN114602251A (en) * | 2022-03-11 | 2022-06-10 | 邢台钢铁有限责任公司 | Rapid diagnosis method for bag damage fault of bag type dust collector |
| CN114832517A (en) * | 2022-06-17 | 2022-08-02 | 河南工小艺物联科技有限公司 | Pulse control system with bag breaking and positioning functions |
| CN114832517B (en) * | 2022-06-17 | 2024-03-22 | 河南工小艺物联科技有限公司 | Pulse control system with bag breaking and positioning functions |
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Application publication date: 20121107 |