CN106610367B - It is a kind of for filter bag or the device and method of filter cylinder performance detection - Google Patents
It is a kind of for filter bag or the device and method of filter cylinder performance detection Download PDFInfo
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- CN106610367B CN106610367B CN201611219033.0A CN201611219033A CN106610367B CN 106610367 B CN106610367 B CN 106610367B CN 201611219033 A CN201611219033 A CN 201611219033A CN 106610367 B CN106610367 B CN 106610367B
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- filter
- bag
- filter cylinder
- filter bag
- card
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Abstract
The invention discloses a kind of for filter bag or the device and method of filter cylinder performance detection, the device includes the automatic feed system being made of filler bin, feeder, roots blower, pneumatic ash conveying plant and screw feeding device, the Bag filter system being made of wind outlet dust collector box body on lower air inlet and filter bag to be measured or filter cylinder, soot cleaning system positioned at Bag filter system top, the detection system and integrated control system be made of smoke temperature, flue gas flow, dust concentration, system pressure sensor.The setting of experiment parameter is carried out by integrated control system, the processing of data and signal are sent, realize it is unattended in the case where, simulate deduster under corresponding working condition long lasting for dedusting behavior, effectively filter bag or filter cylinder performance are evaluated to more objective, filter bag or filter cylinder type selecting and its manufacturing process are instructed more scientificly, injection parameter is rationally set, and reach the service life of extend as far as possible filter element.
Description
Technical field
The present invention relates to a kind of simulation fields of sack cleaner, more particularly to one kind to be used for filter bag or filter cylinder performance detection
Device and method.
Background technique
Sack cleaner in industries such as cement, power plant, chemical industry using very extensive, but the exhaust gas components of different industries
And the equal different from of dust characteristic, therefore the selection of filter bag or filter cylinder material, production technology, the control of operating parameter, for
The efficiency of dust collection and filter bag of deduster high quality or the extension of filter cylinder service life seem extremely important.
Obviously, the quality of filter bag or filter cylinder performance is the key that determine that can bag house outlet dust qualified discharge.
Filter bag or filter cylinder performance depend not only on the performance of filtrate itself, filter bag suture and bag head, bag tail junction pin hole, filter cylinder pleat
Wrinkle, the shaking etc. of filter bag or filter cylinder in the process of running are likely to the filtering accuracy for influencing it for dust, however at present
Detection often tends to the experiment to media filtration performance, lacks and analyzes the overall performance of filter element, testing result is aobvious
It is so not objective comprehensive enough.
In addition, the determination people about duster pulse blowing pressure are more likely to seldom pass through experiment using empirical value
Research provide data supporting for it, from the scientifical use of filter bag or filter cylinder on for it is unreasonable.
Although has there is the system that part directly carries out filter bag performance detection in the country at present, such as invention patent mandate number
CN105158133A discloses " a kind of bag-type duster filtering bag performance detecting system ", but rests on laboratory stage, a side
Related personnel's real-time tracking, waste of manpower resource are both needed in the experiment of face；Another aspect whole system experimentation will often pass through
The work and rest of personnel is adjusted correspondingly, be difficult to keep long lasting for automatic running, and in the case where simulating operating condition, Dust Characteristics
Influence for filter bag or filter cylinder is difficult to embody in a short time.
Summary of the invention
The purpose of the present invention is to provide a kind of for filter bag or the device and method of filter cylinder performance detection, can realize length
In the case that time is unattended, dust removal state of the deduster under corresponding working condition is simulated, thus to filter bag or filter cylinder
Can be carried out it is objective effectively evaluate, instruct filter bag or filter cylinder type selecting and its manufacturing process more scientificly, more reasonable setting spray
Parameter is blown, achievees the purpose that extend as far as possible filter element service life.
In order to achieve the above objectives, solution of the invention is:
It is a kind of for filter bag or the device of filter cylinder performance detection comprising automatic feed system, Bag filter system, deashing system
System, detection system and control system；
The automatic feed system includes filler bin, feeder, roots blower, pneumatic ash conveying plant and screw feeding dress
It sets；
The Bag filter system is wind outlet dust collector box body on lower air inlet, former and later two sides of dust collector box body are provided with
Observation window is divided into top air-purifying chamber and lower part dirt pocket by card inside dust collector box body, and the dirt pocket bottom of box directly connects
Ash bucket, filter bag or filter cylinder to be measured hang on dirt pocket by the way that card is fixed, dust collector box body by blast pipe and wind pushing box and
Screw feeding device is connected, and is connected by discharge pipe with frequency conversion fan, wind pushing box two sides are provided with moveable controllable register；
The soot cleaning system is located at the top of Bag filter system comprising gas bag, pulse valve and injection tube, injection tube pass through arteries and veins
Valve is rushed to be connected with gas bag；
The detection system includes the entrance concentration detection device being located on blast pipe, inlet pressure transducer, discharge pipe
On exit concentration detection device, smoke temperature and flow detector, and the level-sensing device on feeder；
The control system be a set of integrated control case, function include at least equipment start-stop, dust charging control,
The adjusting of exhaust gas volumn, the setting of injection parameter, the processing of data and signal are sent.
It advanced optimizes, the card is changeable type card, is fixed by bolts on card support frame.
It advanced optimizes, there are also gaskets between the card and card support frame.
It advanced optimizes, the card pore diameter range is 130mm to 170mm, and the outer diameter of the filter bag or filter cylinder is
120-165mm。
It advanced optimizes, system flue gas flow control range is 500-5000m3/ h, dust inlet concentration control range
For 0.5-50 g/m3。
Invention additionally discloses a kind of for filter bag or the method for filter cylinder performance detection, realizes situation unattended for a long time
Under, simulate dedusting behavior of the deduster under corresponding working condition, comprising the following steps:
Filter bag to be measured or filter cylinder are fixed on corresponding card hole it are made to hang on dirt pocket by step 1；
The powder upper limit, lower limit value in feeder is set separately in step 2 in integrated control case control panel, tests flue gas
Flow 500-5000m3/ h tests Inlet dust concentration 0.5-50 g/m3, jetting pressure 0.2-0.6MPa and ash discharge period
5min-50min；
Step 3, into filler bin be added experiment dust, starting device, by dust collector box body two sides observation window observation to
The live dynamic filtration situation for surveying filter bag or filter cylinder, the data information and abnormality alarm feelings of detection are checked by long-range output end
Condition；
The performance of filter bag or filter cylinder is judged jointly by system pressure difference, dust outlet concentration, testing time.
Further, in step 1, the outer diameter of the filter bag to be measured or filter cylinder is 120-165mm.
The present invention is a kind of for filter bag or the device and method of filter cylinder performance detection, advantage and effect are: the present invention
May be implemented in it is unattended in the case where, simulate the dedusting effect that filter bag or filter cartridge dust remover continue working under corresponding working condition
Fruit, the more scientific performance for objectively showing filter bag or filter cylinder are the selection of filter bag or filter cylinder selection matter, production technology, operation
The control of parameter provides more structurally sound foundation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
As shown in Figures 1 and 2, present invention discloses a kind of for filter bag or the device of filter cylinder performance detection comprising from
Dynamic feed system 10, Bag filter system 20, soot cleaning system 30, detection system 40 and control system 50.
Automatic feed system is filled by roots blower 11, pneumatic ash conveying plant 12, filler bin 13, feeder 15 and screw feeding
14 compositions are set, it can be achieved that the charging of different dusts includes that alumina powder, cement, flyash, plant ash, carbon black or client provide
The substances such as live dust.
Bag filter system 20 is wind outlet deduster on lower air inlet, former and later two sides of dust collector box body 200 are provided with sight
Examine window 201, can real time inspection filter bag 24 or filter cylinder filter situation, it is net by card 23 to be divided into top inside dust collector box body 200
Gas chamber 203 and lower part dirt pocket 204, the pore diameter range of card are 130mm to 170mm, and the outer diameter of the filter bag or filter cylinder is
120-165mm.204 bottom of dirt pocket is directly connected to ash bucket 202, and filter bag or filter cylinder 24 to be measured is removed by fixed hang on of card 23
Dirt room 204；Cooperating shown in Fig. 2, card 23 is changeable type, it is fixed by least 12 bolts 233 and card support frame 231,
There is pad 232 sealing together between card 23 and card support frame 231 to ensure the air-tightness of system.Dust collector box body 200 passes through
Blast pipe 22 is connected with wind pushing box 21 and screw feeding device 14, is connected by discharge pipe 25 with frequency conversion fan 26, wind pushing box 21
Two sides are provided with moveable controllable register 211, and controllable register 211 can control the negative pressure in blast pipe 22, it is ensured that screw rod is sent
The dust that material device 14 is sent into enters Bag filter system 20 with air-flow.
Soot cleaning system is located at the top of Bag filter system 20, and injection tube 33 is connected by pulse valve 32 with gas bag 31.
Detection system 40 includes the level-sensing device 41 on feeder 15, the Inlet dust concentration on in/out air tube 22
Detection device 42 and inlet pressure transducer 43, and smoke temperature and flow detector 44 and outlet powder on discharge pipe 25
Dust concentration detection device 45, level-sensing device 41 is for powder content in real-time detection feeder 15.
Control system 50 is a set of integrated control case, and function includes at least the start-stop of equipment, the control of dust charging, cigarette
The adjusting of tolerance, the setting of jetting pressure, the processing of data and signal are sent, by the display screen on integrated control case or accordingly
Long-range output end can directly read simulated flue gas flow, inlet and outlet dust concentration, smoke temperature, the information such as system pressure difference.
When using the above-mentioned device progress filter bag or filter cylinder performance detection for being used for filter bag or filter cylinder performance detection, specific steps
It is as follows:
(1) installation of filter bag or filter cylinder to be measured
The outer diameter of filter bag or filter cylinder 24 to be measured is 120-165mm, according to the suitable card 23 of the size selection, in card branch
Upper gasket 232 is padded on support 231, after blending bolt 233 is fixed, filter bag to be measured or filter cylinder 24 is fixed and is hanged by card hole
It is hung on dirt pocket 204.
(2) parameter setting
The powder upper limit, lower limit value in feeder is set separately by integrated control case 50, tests flue gas flow 500-
5000m3/ h tests Inlet dust concentration 0.5-50 g/m3, jetting pressure 0.2-0.6MPa and ash discharge period 5min-50min；
(3) powder dispenses
According to Inlet dust concentration and experiment duration, enough experiment dust are added into filler bin 13, it is ensured that experiment powder
Dirt supply is sufficient, starts to equipment, and the level-sensing device 41 on feeder 15 detects that powder content is lower than in feeder 15
Lower limit value, system would automatically turn on roots blower 11, powder are sent to feeder 15 by pneumatic ash conveying plant 12, to level-sensing device
After 41 detect that powder content reaches upper limit value in feeder 15, roots blower 11 is automatically closed in system, is stopped feeding, is so followed
Ring, it is ensured that the regular supply of dust；
(4) equipment starts
21 liang of side baffles 211 of wind pushing box, which are opened to appropriate aperture, makes whole system by integrated control case starting device
In running order, 26 revolving speed of frequency conversion fan makes empirical flow for according to the value of feedback adjust automatically of flow detector at this time
It keeps stablizing, screw feeding device 14 will be according to Inlet dust concentration Testing value adjust automatically feeding speed, it is ensured that experiment entrance
Dust concentration is stablized；
(5) Phenomena Observation and long-range monitoring
The dynamic filtration situation of filter bag or filter cylinder 24 to be measured is observed by dust collector box body two sides observation window 201, integrates control
Case processed matches the data information that will test by wireless signal transmitting device and abnormality alarm is sent to appointed output terminal, experimenter
It can Long-Range Surveillance System operating condition；
(6) ash discharge is handled
Dust at ash bucket 202 is discharged into according to the timing of ash discharge cycle set value and unloads grey vehicle 28 by system, according to falling grey situation,
Experimenter should regularly replace it is empty unload grey vehicle 28, unload the dust that grey vehicle 28 is collected and be centrally placed and optionally recycled again
With.
To sum up, the present invention is used for the device and method of filter bag or filter cylinder performance detection, easy to operate, without entering scene,
It can be realized and filter bag or filter cylinder performance are scientificlly and effectively evaluated in unattended situation, it on the one hand being capable of more scientific conjunction
The selection for instructing to reason the type selecting and manufacture craft of filter bag or filter cylinder, on the other hand enables alternative filter bag or filter cylinder more fit
The use environment for answering scene, prolongs its service life.
Above-described embodiment and schema and non-limiting product form and style of the invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.
Claims (5)
1. a kind of for filter bag or the method for filter cylinder performance detection, which is characterized in that cooperation is used for filter bag or filter cylinder performance detection
Device implement, which includes: automatic feed system, Bag filter system, soot cleaning system, detection system and control system；
The automatic feed system includes filler bin, feeder, roots blower, pneumatic ash conveying plant and screw feeding device；
The Bag filter system is wind outlet dust collector box body on lower air inlet, former and later two sides of dust collector box body are provided with observation
Window is divided into top air-purifying chamber and lower part dirt pocket by card inside dust collector box body, and the dirt pocket bottom of box is directly connected to ash
Bucket, filter bag or filter cylinder to be measured hang on dirt pocket by the way that card is fixed, and dust collector box body passes through blast pipe and wind pushing box and screw rod
Feed device is connected, and is connected by discharge pipe with frequency conversion fan, wind pushing box two sides are provided with moveable controllable register；
The soot cleaning system is located at the top of Bag filter system comprising gas bag, pulse valve and injection tube, injection tube pass through pulse valve
It is connected with gas bag；
The detection system includes entrance concentration detection device on the blast pipe, inlet pressure transducer, on discharge pipe
Exit concentration detection device, smoke temperature and flow detector, and the level-sensing device on feeder；
The control system is a set of integrated control case, and function includes at least the start-stop of equipment, the control of dust charging, flue gas
The adjusting of amount, the setting of injection parameter, the processing of data and signal are sent；
It is described that detection method includes the following steps:
Filter bag to be measured or filter cylinder are fixed on corresponding card hole it are made to hang on dirt pocket by step 1；
The powder upper limit, lower limit value in feeder is set separately in step 2 in integrated control case control panel, tests flue gas flow
500-5000m3/ h tests Inlet dust concentration 0.5-50 g/m3, jetting pressure 0.2-0.6MPa and ash discharge period 5min-
50min；
Experiment dust is added into filler bin for step 3, and starting device observes filter to be measured by dust collector box body two sides observation window
The live dynamic filtration situation of bag or filter cylinder, the data information and abnormal alarm condition of detection are checked by long-range output end；
The performance of filter bag or filter cylinder is judged jointly by system pressure difference, dust outlet concentration, testing time.
2. as described in claim 1 a kind of for filter bag or the method for filter cylinder performance detection, it is characterised in that: the card is
Changeable type card is fixed by bolts on card support frame.
3. as claimed in claim 2 a kind of for filter bag or the method for filter cylinder performance detection, it is characterised in that: the card with
There are also gaskets between card support frame.
4. a kind of as described in any one of claims 1 to 3 exists for filter bag or the method for filter cylinder performance detection, feature
It is 130mm-170mm in: the card pore diameter range, the outer diameter of the filter bag to be measured or filter cylinder is 120-165mm.
5. as described in claim 1 a kind of for filter bag or the method for filter cylinder performance detection, it is characterised in that: system flue gas stream
Amount control range is 500-5000m3/ h, dust inlet concentration control range are 0.5-50 g/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219033.0A CN106610367B (en) | 2016-12-26 | 2016-12-26 | It is a kind of for filter bag or the device and method of filter cylinder performance detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219033.0A CN106610367B (en) | 2016-12-26 | 2016-12-26 | It is a kind of for filter bag or the device and method of filter cylinder performance detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106610367A CN106610367A (en) | 2017-05-03 |
| CN106610367B true CN106610367B (en) | 2019-07-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421870B (en) * | 2017-07-31 | 2019-08-02 | 诸暨绿尚创意科技有限公司 | A kind of filter bag test machine |
| CN108680485A (en) * | 2018-06-22 | 2018-10-19 | 南京林业大学 | A kind of dust media performance test device |
| CN109342301A (en) * | 2018-08-20 | 2019-02-15 | 中国纺织科学研究院有限公司 | Filter bag simulates aging equipment and simulation aging method |
| CN109603321A (en) * | 2018-08-21 | 2019-04-12 | 华侨大学 | The dust removal and filtration element function detection device and detection method of the automatic feed back of energy |
| CN114324116A (en) * | 2022-01-06 | 2022-04-12 | 中车青岛四方车辆研究所有限公司 | Filter performance testing device and testing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6453257B1 (en) * | 1998-12-18 | 2002-09-17 | Larson Testing Laboratories | Apparatus for testing the ability of a filter to filter contaminants |
| CN2790986Y (en) * | 2005-04-30 | 2006-06-28 | 江苏南大紫金科技集团有限公司 | Intelligent pneumatic transfer measuring batchina apparatus |
| CN201095547Y (en) * | 2007-10-26 | 2008-08-06 | 宝山钢铁股份有限公司 | Feeding screw for powder air conveying |
| CN101659456B (en) * | 2009-09-24 | 2011-06-22 | 同济大学 | Automatic adding system of powdered activated carbon |
| CN105158133B (en) * | 2015-10-08 | 2018-06-26 | 东华大学 | A kind of bag-type duster filtering bag performance detecting system |
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Address after: 361100 No. 1178-1188 Spring Road, Xiangan District, Fujian, Xiamen Patentee after: Xiamen Zhongchuang Environmental Protection Technology Co.,Ltd. Address before: 361100 No. 1178-1188 Spring Road, Xiangan District, Fujian, Xiamen Patentee before: XIAMEN SAVINGS ENVIRONMENTAL Co.,Ltd. |