CN106323843A - Fault detection method and fault detector for cloth bag of dust remover - Google Patents

Fault detection method and fault detector for cloth bag of dust remover Download PDF

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Publication number
CN106323843A
CN106323843A CN201611023796.8A CN201611023796A CN106323843A CN 106323843 A CN106323843 A CN 106323843A CN 201611023796 A CN201611023796 A CN 201611023796A CN 106323843 A CN106323843 A CN 106323843A
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Prior art keywords
negative pressure
test
value
speed
cloth bag
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CN201611023796.8A
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CN106323843B (en
Inventor
孙永刚
宋秀成
宿巳光
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China Third Metallurgical Group Co Ltd
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China Third Metallurgical Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample
    • G01N15/0826Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/084Testing filters

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a fault detection method and a fault detector for a cloth bag of a dust remover. The detector comprises a microcomputer negative-pressure tester, a speed-measurement vortex blower, a negative pressure sensor, a test seal head and a negative-pressure test pipeline. One end of the test pipeline is connected with the speed-measurement vortex blower, the test seal head is mounted at the other end of the test pipeline, the negative pressure sensor is arranged on the test pipeline, a blower rotation speed sensor is arranged on the speed-measurement vortex blower, and the negative pressure sensor and the blower rotation speed sensor are in communication connection with the microcomputer negative-pressure tester respectively. Compared with the prior art, the fault detection method and the fault detector have advantages that firstly, a utilization method is simple and convenient, and low utilization cost is realized; secondly, the damaged dedusting cloth bag can be detected accurately without disassembly; thirdly, the utilization method is low in requirement on users, and the users can use the detector after simple training; fourthly, high indirect economic benefits are achieved.

Description

Dust-collecting bag fault locator and detection method thereof
Technical field
The present invention relates to the detection technique field of dust removal and filtration cloth bag, damage particularly to a kind of cleaner unit filter cloth bag and exempt from Tear detecting instrument and detection method thereof open.
Background technology
The sack cleaner made in bituminous mixing plant produces the most often occurs that filter cloth bag is damaged and blocking, Induced draught system will cause the biggest abrasion, serious contaminated air cause the health of worker and the masses very as processed not in time Big harm, finds in once producing that cloth bag damages and must process in time.Limited due to construction site condition during processing System, personnel cannot judge it is which bar cloth bag damages accurately, can only be to remove visual inspection one by one, often in order to Several a whole set of cloth bag (few thousands of more than hundreds of) of visual inspection to be dismantled by the cloth bag damaged, and visual inspection can not be accomplished 100% exhaustive, the simultaneously work under bad environment of workman, labor efficiency is low, and the growth of repair time also has influence on simultaneously and depends on Rely the normal operation efficiency of the equipment of cleaner unit work.
The instrument that the cloth bag damaged and block just can be checked by dust-removal cloth-bag need not be disassembled it is thus desirable to a kind of.Carry High labor efficiency, reduces labor intensity, improves working environment.
Summary of the invention
Instant invention overcomes deficiency of the prior art, it is provided that a kind of dust-collecting bag fault locator and detection side thereof Method, this detector simple in construction, easy to use, with low cost, use negative pressure tester and Cyclone wind motor and the pipeline phase of can testing the speed Coordinate, it is not necessary to dust-removal cloth-bag is disassembled from cleaner unit body the quality that just can judge cloth bag accurately.
For achieving the above object, the present invention realizes by the following technical solutions:
A kind of dust-collecting bag fault locator, including micro computer negative pressure tester, the whirlpool blower fan that can test the speed, negative pressure sensing Device, test seal head, negative pressure test pipeline, one end of test pipeline connects the whirlpool blower fan that can test the speed, the other end of test pipeline Test seal head is installed, test pipeline is provided with B/P EGR Back Pressure Transducer EGR, is provided with blower fan on whirlpool blower fan turns testing the speed Speed sensor, B/P EGR Back Pressure Transducer EGR and rotation speed of fan sensor respectively with micro computer negative pressure tester connecting communication.
Described micro computer negative pressure tester includes STC90C516RD+ single-chip microcomputer, LCDs, alarming horn and LED report Collection signal is transferred to after a/d converter is changed by warning lamp, a/d converter, B/P EGR Back Pressure Transducer EGR and rotation speed of fan sensor STC90C516RD+ single-chip microcomputer, LCDs, alarming horn and LED alarm lamp connect STC90C516RD+ single-chip microcomputer respectively.
A kind of method using dust-collecting bag fault locator to detect dust-collecting bag, first to a plurality of new cloth bag Carrying out negative pressure test to gather, the data collected are averaged value calculating by STC90C516RD+ single-chip microcomputer, and by this meansigma methods As standard negative pressure value, wall scroll cloth bag being carried out comparison and detection, concrete grammar is as follows:
1) first take several new cloth bags and carry out negative pressure test collection: test seal head plug is filled in cloth bag termination to be tested Tightly ensureing to seal, the unlatching Cyclone wind motor that can test the speed makes it operate to reach rated speed, B/P EGR Back Pressure Transducer EGR and rotation speed of fan sensor Giving micro computer negative pressure tester by the negative pressure signal detected, rotation speed of fan signal, micro computer negative pressure tester will collect Data carry out storing and calculate meansigma methods using this numerical value as the standard negative pressure value of wall scroll dust-removal cloth-bag;
2) use standard negative pressure value that wall scroll dust-removal cloth-bag carries out comparison and detection: by test seal head plug to cloth to be tested Stoppering guarantee in bag termination to seal, the unlatching Cyclone wind motor that can test the speed makes it operate to reach rated speed, B/P EGR Back Pressure Transducer EGR and blower fan The negative pressure signal detected, rotation speed of fan signal are given micro computer negative pressure tester by speed probe, and micro computer negative pressure is tested The instrument negative pressure signal to gathering and the rotating speed of Cyclone wind motor of can testing the speed carry out computing draw this cloth bag negative pressure value and with storage Standard value compare, if negative pressure value higher than standard negative pressure value reach set by instrumentation program cloth bag blocking alarming value, Micro computer negative pressure tester sends sound and light alarm, LCDs display standard value and measured value and their differences;
If negative pressure value reaches the cloth bag faiture alarm value set by instrumentation program, micro computer negative pressure less than standard negative pressure value Tester sends sound and light alarm, LCDs display standard value and measured value and their differences.
Compared with prior art, the invention has the beneficial effects as follows:
1) using method of the present invention is simple and convenient, and use cost is cheap;
2) use the present invention ensure that and need not dismantle the dust-removal cloth-bag that just can accurately detect damage;
3) using method of the present invention is low to the requirement of user, and simple training just can use;
4) indirect economic effect of the present invention is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention a kind of dust-collecting bag fault locator.
Fig. 2 is the fundamental diagram of the present invention a kind of dust-collecting bag fault locator.
In figure: can test the speed Cyclone wind motor, 3-B/P EGR Back Pressure Transducer EGR, 4-of 1-micro computer negative pressure tester, 2-tests seal head, 5- Test pipeline, 6-rotation speed of fan sensor, 7-fan power rosette, 8-function button, 9-Huang LED alarm lamp, the red LED of 10- Alarm lamp, 11-LCDs, 12-alarming horn, 13-measure button, 14-dust-removal cloth-bag.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are further illustrated:
See Fig. 1, a kind of dust-collecting bag fault locator, including micro computer negative pressure tester 1, the whirlpool blower fan 2 that can test the speed, B/P EGR Back Pressure Transducer EGR 3, test seal head 4, negative pressure test pipeline 5, one end of test pipeline 5 connects the whirlpool blower fan 2 that can test the speed, test The other end of pipeline 5 is provided with test seal head 4, is provided with B/P EGR Back Pressure Transducer EGR 3, at the whirlpool wind that can test the speed on test pipeline 5 Be provided with on machine 2 rotation speed of fan sensor 6, B/P EGR Back Pressure Transducer EGR 3 and rotation speed of fan sensor 6 respectively with micro computer negative pressure tester 1 connecting communication.
Test seal head 4 is responsible for the sealing of tested cloth bag port, and type shape is determined by cloth bag port, and material is typically by silicon Rubber manufactures.Test pipeline 5 is skeletal support sebific duct, its connecting test seal head 4 and the whirlpool blower fan 2 that can test the speed, it is ensured that whole The sealing No leakage of pipeline.The air vent of whirlpool blower fan 2 of can testing the speed communicates with air, mainly for dust-collecting bag fault detect Negative pressure is stablized in instrument manufacture.
B/P EGR Back Pressure Transducer EGR 3 uses high accuracy B/P EGR Back Pressure Transducer EGR.
Described micro computer negative pressure tester 1 include STC90C516RD+ single-chip microcomputer, LCDs 11, alarming horn 12 and LED alarm lamp 9,10 and a/d converter, B/P EGR Back Pressure Transducer EGR 3 and rotation speed of fan sensor 6 will gather signal and change through a/d converter After be transferred to STC90C516RD+ single-chip microcomputer, LCDs 11, alarming horn 12 and LED alarm lamp 9,10 connect respectively STC90C516RD+ single-chip microcomputer.
A/d converter is integrated in instrument, is responsible for the negative pressure signal that high accuracy B/P EGR Back Pressure Transducer EGR 3 gathers is transformed into numeral Signal enables STC90C516RD+ single-chip microcomputer to read negative pressure signal normally.
Micro computer negative pressure tester 1 has study comparing function, the new cloth bag of a plurality of standard can be carried out negative pressure test Gather, and carry out storing and calculating meansigma methods by the data collected, old using this numerical value as the new dust-removal cloth-bag of wall scroll and wall scroll The standard negative pressure data of dust-removal cloth-bag, convenient after on-the-spot detection work, this instrument has the storage of power-fail memory function, data to calculate, The functions such as data input is compared, rotation speed of fan deviation value compensation automatically, all of test result can be shown by liquid crystal display screen 11 Out and to blocking and the cloth bag damaged carry out sound and light alarm.
LED alarm lamp is set to yellow LED alarm lamp 9 and red LED alarm lamp 10, respectively by STC90C516RD+ single-chip microcomputer control Alarm indicator processed.Yellow LED alarm lamp 9, red LED alarm lamp 10, alarming horn 12 and LCDs 11 are all disposed within micro-electricity On the panel of brain negative pressure tester 1, the panel of micro computer negative pressure tester 1 is additionally provided with function control key 8 and measure by Key 13 connects the STC90C516RD+ single-chip microcomputer within micro computer negative pressure tester 1 by integrated circuit, and micro computer negative pressure is tested Instrument 1 connecting fan electric source connecting box 7, to whirlpool blower fan 2 out-put supply that can test the speed, and by manipulation measure button 13 by STC90C516RD+ Single-chip Controlling can test the speed the opening and closing of whirlpool blower fan 2.
Micro computer negative pressure tester 1 connects 220V alternating current steady voltage plug by peripheral circuit.
A kind of method using dust-collecting bag fault locator to detect dust-collecting bag, first to a plurality of new cloth bag Carrying out negative pressure test to gather, the data collected are averaged value calculating by STC90C516RD+ single-chip microcomputer, and by this meansigma methods As standard negative pressure value, wall scroll cloth bag being carried out comparison and detection, concrete grammar is as follows:
1) first take several new cloth bags (the new cloth bag of 5-10 bar) and carry out negative pressure test collection: test seal head 4 is filled in be measured Stoppering guarantee in the cloth bag termination of examination to seal, the unlatching Cyclone wind motor 2 that can test the speed makes it operate to reach rated speed, B/P EGR Back Pressure Transducer EGR 3 and rotation speed of fan sensor 6 give micro computer negative pressure tester 1, micro computer by the negative pressure signal detected, rotation speed of fan signal The data collected are carried out storing and calculate meansigma methods and bear as the standard of wall scroll dust-removal cloth-bag using this numerical value by negative pressure tester 1 Pressure value;
2) use standard negative pressure value that wall scroll dust-removal cloth-bag 14 is carried out comparison and detection: to fill in be tested by test seal head 3 Cloth bag termination in stopper guarantee and seal, the unlatching Cyclone wind motor 2 that can test the speed makes it operate to reach rated speed, B/P EGR Back Pressure Transducer EGR 3 Micro computer negative pressure tester 1, micro computer is given by the negative pressure signal detected, rotation speed of fan signal with rotation speed of fan sensor 6 Negative pressure tester 1 carries out computing draw the negative pressure of this cloth bag to the negative pressure signal of collection and the rotating speed of the Cyclone wind motor 2 that can test the speed Value also compares with the standard value stored, and blocks up if negative pressure value reaches the cloth bag set by instrumentation program higher than standard negative pressure value Plug alarming value, micro computer negative pressure tester 1 sends sound and light alarm, and yellow led alarm lamp 9 flashes, LCDs 11 display mark Quasi-value and measured value and their differences;
If negative pressure value reaches the cloth bag faiture alarm value set by instrumentation program, micro computer negative pressure less than standard negative pressure value Tester 1 sends sound and light alarm, and red LED alarm lamp 10 flashes, LCDs 11 show standard value and measured value and they Difference.
If the deviation of the detection negative pressure value of wall scroll dust-removal cloth-bag 14 and standard value is in the range of procedure stipulation, liquid crystal Display screen 11 shows standard value and measured value.
In the inventive method, the mensuration to standard value can disposably gather calculating storage, for Site Detection in the future.
During on-the-spot test, test seal head 4 is filled in and cloth bag termination to be tested stoppers guarantee sealing, connect work electricity Source, instrument self checking presses work measurement button 13, sees Fig. 2 after completing, the Cyclone wind motor 2 that can test the speed operating is negative after reaching rated speed The negative pressure signal detected, rotation speed of fan signal are given STC90C516RD+ single-chip microcomputer by pressure sensor 3 and a/d converter, STC90C516RD+ single-chip microcomputer carries out computing draw this cloth bag to the negative pressure signal of collection and the rotating speed of the Cyclone wind motor 2 that can test the speed Negative pressure value and the standard value that stores compare, if negative pressure reaches the cloth bag blocking set by instrumentation program higher than standard value Alarming value, micro computer negative pressure tester 1 sends sound and light alarm, and yellow led alarm lamp flashes, and LCDs 11 shows standard value With measured value and their differences.If negative pressure reaches the cloth bag faiture alarm value set by instrumentation program, micro-electricity less than standard value Brain negative pressure tester 1 sends sound and light alarm, and red LED alarm lamp flashes, LCDs 11 show standard value and measured value and They differences.If the deviation of negative pressure and standard value is in the range of procedure stipulation, LCDs 11 shows standard value and survey , there is not sound and light alarm in value.

Claims (3)

1. a dust-collecting bag fault locator, it is characterised in that include micro computer negative pressure tester, can test the speed whirlpool wind Machine, B/P EGR Back Pressure Transducer EGR, test seal head, negative pressure test pipeline, one end of test pipeline connects the whirlpool blower fan that can test the speed, testing tube The other end on road is provided with test seal head, is provided with B/P EGR Back Pressure Transducer EGR, sets testing the speed on whirlpool blower fan on test pipeline Be equipped with rotation speed of fan sensor, B/P EGR Back Pressure Transducer EGR and rotation speed of fan sensor respectively with micro computer negative pressure tester connecting communication.
A kind of dust-collecting bag fault locator the most according to claim 1, it is characterised in that described micro computer negative pressure is surveyed Examination instrument includes STC90C516RD+ single-chip microcomputer, LCDs, alarming horn and LED alarm lamp, a/d converter, B/P EGR Back Pressure Transducer EGR With rotation speed of fan sensor, collection signal is transferred to STC90C516RD+ single-chip microcomputer, liquid crystal display after a/d converter is changed Screen, alarming horn and LED alarm lamp connect STC90C516RD+ single-chip microcomputer respectively.
3. one kind uses the side that dust-collecting bag is detected by dust-collecting bag fault locator as claimed in claim 1 Method, it is characterised in that first a plurality of new cloth bag is carried out negative pressure test and gathers, the data that STC90C516RD+ single-chip microcomputer will collect The value that is averaged calculates, and to wall scroll cloth bag, this meansigma methods is carried out comparison and detection as standard negative pressure value, and concrete grammar is as follows:
1) first take several new cloth bags and carry out negative pressure test collection: test seal head plug is stoppered guarantor in cloth bag termination to be tested Card seals, and the unlatching Cyclone wind motor that can test the speed makes it operate to reach rated speed, and B/P EGR Back Pressure Transducer EGR and rotation speed of fan sensor are by institute The negative pressure signal of detection, rotation speed of fan signal give micro computer negative pressure tester, the number that micro computer negative pressure tester will collect Store and calculate meansigma methods using this numerical value as the standard negative pressure value of wall scroll dust-removal cloth-bag according to carrying out;
2) use standard negative pressure value that wall scroll dust-removal cloth-bag carries out comparison and detection: by test seal head plug to cloth bag end to be tested Stoppering guarantee in Tou to seal, the unlatching Cyclone wind motor that can test the speed makes it operate to reach rated speed, B/P EGR Back Pressure Transducer EGR and rotation speed of fan The negative pressure signal detected, rotation speed of fan signal are given micro computer negative pressure tester, micro computer negative pressure tester pair by sensor The negative pressure signal gathered and the rotating speed of Cyclone wind motor of can testing the speed carry out computing draw this cloth bag negative pressure value and with the mark stored Quasi-value compares, if negative pressure value reaches the cloth bag blocking alarming value set by instrumentation program, micro-electricity higher than standard negative pressure value Brain negative pressure tester sends sound and light alarm, LCDs display standard value and measured value and their differences;
If negative pressure value reaches the cloth bag faiture alarm value set by instrumentation program less than standard negative pressure value, micro computer negative pressure is tested Instrument sends sound and light alarm, LCDs display standard value and measured value and their differences.
CN201611023796.8A 2016-11-17 2016-11-17 Dust remover cloth bag fault detector and detection method thereof Active CN106323843B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777006A (en) * 2021-11-10 2021-12-10 山东津岳环保设备有限公司 Detection device for overhauling environmental protection equipment

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CN101773755A (en) * 2010-03-04 2010-07-14 浙江菲达环保科技股份有限公司 Negative-pressure simulating device for detecting deashing property of bag type dust collector
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CN202637346U (en) * 2012-07-05 2013-01-02 天津市海正泰克塑胶制品有限公司 Air exhaust and filter device of negative pressure isolation chamber for infectious patients
CN203816398U (en) * 2014-05-09 2014-09-10 新乡市胜达过滤净化技术有限公司 High-temperature gas dust removal filter bag
CN206321545U (en) * 2016-11-17 2017-07-11 中国三冶集团有限公司 Dust-collecting bag fault locator

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US4999032A (en) * 1990-04-30 1991-03-12 Wade Wright Reducing atmospheric pollution by automatic processing of leaking filter bags in a baghouse network
CN2279950Y (en) * 1996-11-26 1998-04-29 无锡市盛达气源净化设备有限公司 Self-control and back blowing type air filtering apparatus
JP2000018675A (en) * 1998-06-24 2000-01-18 Matsushita Refrig Co Ltd Air conditioner
US20080314005A1 (en) * 2005-11-22 2008-12-25 Eurofilters Holding N.V. Vacuum Cleaner Filter Bag and Use of Said Bag
WO2007142359A1 (en) * 2006-06-07 2007-12-13 Toyota Jidosha Kabushiki Kaisha Pm trapper failure detecting system
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CN203816398U (en) * 2014-05-09 2014-09-10 新乡市胜达过滤净化技术有限公司 High-temperature gas dust removal filter bag
CN206321545U (en) * 2016-11-17 2017-07-11 中国三冶集团有限公司 Dust-collecting bag fault locator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777006A (en) * 2021-11-10 2021-12-10 山东津岳环保设备有限公司 Detection device for overhauling environmental protection equipment

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