CN104275053B - Blowback dust collection method for TRT dry dust removal system - Google Patents
Blowback dust collection method for TRT dry dust removal system Download PDFInfo
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- CN104275053B CN104275053B CN201410591926.2A CN201410591926A CN104275053B CN 104275053 B CN104275053 B CN 104275053B CN 201410591926 A CN201410591926 A CN 201410591926A CN 104275053 B CN104275053 B CN 104275053B
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- blowback
- sack cleaner
- dust
- trt
- dedusting
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Abstract
The invention discloses a kind of blowback dust collection method for TRT dry dust removal system, belong to metallurgical environmental protection cleaner design and manufacturing technology field.A kind of good dedusting effect is provided, can effectively extend the blowback dust collection method for TRT dry dust removal system in dust-removal cloth-bag service life.Described blowback dust collection method, during blowback dedusting, uses the blowback to dust-removal cloth-bag every time only to carry out once, and completes blowback dedusting by delay operation repeatedly.
Description
Technical field
The present invention relates to a kind of blowback dust collection method, especially relate to a kind of blowback dust collection method for TRT dry dust removal system,
Belong to metallurgical environmental protection cleaner design and manufacturing technology field.
Background technology
TRT technique has dry, wet point, uses water reduce gas temperature and dedusting and arrange the technique of TRT device and be referred to as wet type
TRT technique, uses dry dust removal i.e. cloth bag or electric precipitation and arranges the technique of TRT device and be then referred to as dry type TRT technique.Dry
Formula dedusting and TRT technique are the preferred plan done energy Conservation of Blast Furnace well, reduce energy consumption.It is possible not only to make full use of the secondary of blast furnace
The energy, and also save substantial amounts of water for industrial use, decrease secondary power consumption accordingly, decrease environmental pollution and fix
Assets investment, remarkable in economical benefits.
BDC is the english abbreviation of Bag Discharg Chamber, and the meaning is sack cleaner.Sack cleaner (BDC) is
The capital equipment of TRT dry-dedusting system, and the blowback of BDC control is the core control of TRT dust pelletizing system.BDC blowback controls
Effect is directly connected to the service life of cloth bag.
The working method of existing bag-type dust removal system is: coal gas is assigned to single cylinder through discharge, and the dust of filter bag trapping passes through
Back-blowing mode removes.
Conventional BDC blowback control mode is: utilize back blowing machine to boost the purified gas processing, by close strainer valve,
Open reverse blow valve mode, carry out to BDC cloth bag one by one according to the time control program setting repeating blowback control.Each cloth bag cylinder
Body typically at least wants blowback three times in a cycle.So high-frequency blowback dedusting has a strong impact on the service life of cloth bag.Mesh
The Bouyei of the sack cleaner of front use is typically only capable to use one month and just needs more to renew.The operation that this not only adds equipment becomes
This, and hot conditions operates, also add the dangerous system that security incident occurs, the working environment of operating personnel is also simultaneously
Very severe.
Content of the invention
The technical problem to be solved is: provide a kind of good dedusting effect, can effectively extend dust-removal cloth-bag service life
Blowback dust collection method for TRT dry dust removal system.
Be the technical scheme is that a kind of blowback dust collection method for TRT dry dust removal system by solving above-mentioned technical problem,
Comprise the following steps,
At least five is first provided with filtration control device by a, the establishment of dust pelletizing system and blowback controls the sack cleaner of device simultaneously
It is linked on the gas output end of back blowing machine, and by the signal control line of described back blowing machine and sack cleaner, and automatically
The control module of controlling organization connects composition TRT dry bag-type dust pelletizing system；
B, the collection of blast furnace gas and dedusting, blast furnace gas distributes into each described sack cleaner after discharge collection,
And the filter bag by arranging on corresponding sack cleaner, during described arrangement deduster, trap it at described blast furnace gas
In dust, complete the collection to blast furnace gas and dedusting work；
C, the blowback dedusting of sack cleaner, after the substantial amounts of dust of filter bag trapping of sack cleaner, automatically controlled by described
The control module of mechanism, the described back blowing machine of control respectively one by one blowback dedusting is carried out to each described sack cleaner,
Carried out in the steps below by the blowback dedusting to each sack cleaner for the back blowing machine,
The blowback start button pressing automatic controls starts back blowing machine, and time delay 30 seconds simultaneously judges that each cloth bag of dust pelletizing system removes
The duty of dirt device, closes, on the premise of the blast furnace gas of guarantee dust pelletizing system is by function, the cloth needing to carry out blowback dedusting
The blowback control device filtering control device, opening this sack cleaner of bag dust collector carries out blowback dedusting, time delay 5s～60s,
It is then shut off the blowback control device of described sack cleaner, time delay 10～100s, finally open the filtration control of this sack cleaner
Device processed, and time delay 30～200s, complete the blowback dedusting work of a sack cleaner, and the rest may be inferred, respectively
When individual sack cleaner needs to carry out blowback dedusting, repeat above-mentioned step and can complete the blowback dedusting to corresponding sack cleaner
Work.
Further, the sack cleaner being arranged in juxtaposition in the TRT dry bag-type dust pelletizing system described in every suit is six, eight
Individual or 12.
Further, the filter bag arranged in each sack cleaner is 56.
Further, the back blowing machine arranged in the TRT dry bag-type dust pelletizing system described in every suit is two, wherein one
Standby.
Further, described filtration control device is strainer valve, and described blowback control device is back-flushing valve.
Further, it in described controlling organization.
Further, in step c, most preferably prolonging when device carries out blowback dedusting is controlled in the blowback opening sack cleaner
A length of constantly 20s.
Further, in step c, a length of during optimum delay when closing the blowback control device of described sack cleaner
30s。
Further, in step c, a length of when finally opening optimum delay when filtering control device of sack cleaner
100s。
The invention has the beneficial effects as follows: use described blowback dust collection method, due to during blowback dedusting, every time to removing
The blowback of dirt cloth bag is only carried out once, and is completed by delay operation repeatedly, rather than as needing in the prior art to carry out
The blowback of at least three times, it is possible to the dust trapping on dust-removal cloth-bag is purged.So not only increase dust removing effects,
And causing cloth bag to change main cause frequently according to statistical analysis is frequent blowback, so, due to blowback number of times subtracting at double
Few, moreover it is possible to effectively prolongation dust-removal cloth-bag service life.
Detailed description of the invention
Change technical problem frequently in order to solve dust-removal cloth-bag in prior art, a kind of good dedusting effect that the present invention provides, energy
Effectively extend the blowback dust collection method for TRT dry dust removal system in dust-removal cloth-bag service life.Described blowback dust collection method bag
Include following steps,
At least five is first provided with filtration control device by a, the establishment of dust pelletizing system and blowback controls the sack cleaner of device simultaneously
It is linked on the gas output end of back blowing machine, and by the signal control line of described back blowing machine and sack cleaner, and automatically
The control module of controlling organization connects composition TRT dry bag-type dust pelletizing system；
B, the collection of blast furnace gas and dedusting, blast furnace gas distributes into each described sack cleaner after discharge collection,
And the filter bag by arranging on corresponding sack cleaner, during described arrangement deduster, trap it at described blast furnace gas
In dust, complete the collection to blast furnace gas and dedusting work；
C, the blowback dedusting of sack cleaner, after the substantial amounts of dust of filter bag trapping of sack cleaner, automatically controlled by described
The control module of mechanism, the described back blowing machine of control respectively one by one blowback dedusting is carried out to each described sack cleaner,
Carried out in the steps below by the blowback dedusting to each sack cleaner for the back blowing machine,
The blowback start button pressing automatic controls starts back blowing machine, and time delay 30 seconds simultaneously judges that each cloth bag of dust pelletizing system removes
The duty of dirt device, on the premise of the blast furnace gas ensureing dust pelletizing system passes through function, closing needs to carry out blowback dedusting
The blowback control device filtering control device, opening this sack cleaner of sack cleaner carries out blowback dedusting, and time delay 5s～
60s, is then shut off the blowback control device of described sack cleaner, time delay 10～100s, finally opens this sack cleaner
Filtering control device, and time delay 30～200s, completing the blowback dedusting work of a sack cleaner, the rest may be inferred,
When each sack cleaner needs to carry out blowback dedusting, repeat above-mentioned step and can complete the blowback to corresponding sack cleaner
Dedusting works.
Use described blowback dust collection method, owing to, during blowback dedusting, the blowback to dust-removal cloth-bag every time only carries out one
Secondary, and completed by delay operation repeatedly, rather than as needing to carry out the blowback of at least three times in the prior art, so that it may
So that the dust trapping on dust-removal cloth-bag is purged.So not only increase dust removing effects, and cause according to statistical analysis
Main cause frequently changed by cloth bag is frequent blowback, so, due to the minimizing at double of blowback number of times, moreover it is possible to effective prolongation removes
Dirt cloth bag service life.
In above-mentioned embodiment, in order to further improve dust removing effects, it is ensured that dust-removal cloth-bag, in step c, opening cloth bag
A length of 20s during optimum delay when the blowback control device of deduster carries out blowback dedusting, is closing the anti-of described sack cleaner
A length of 30s during optimum delay when blowing control device, is finally opening optimum delay when filtering control device of sack cleaner
Shi Changwei 100s.
Meanwhile, in order to the range of application making described blowback dust collection method is wider, the structure of existing back blowing dust removal device is used for reference, often
The sack cleaner being arranged in juxtaposition in a set of described TRT dry bag-type dust pelletizing system is six, eight or 12；Each
The filter bag arranged in sack cleaner is 56；And, the blowback arranged in the TRT dry bag-type dust pelletizing system described in every suit
Blower fan is two, wherein one standby.Certainly, it is actually needed according to scene, it is also possible to two are all operated simultaneously.Enter together
, use for reference the structure of existing back blowing dust removal device, it is strainer valve that described filtration control device is selected, described blowback control dress
Putting selection is reverse blow valve.And in order to protect equipment, it is ensured that dust removing body system properly functioning, in described controlling organization also
It is provided with alarm.
Claims (5)
1. the blowback dust collection method for TRT dry dust removal system, it is characterised in that: comprise the following steps,
At least five is first provided with the sack cleaner filtering control device and blowback control device by a, the establishment of dust pelletizing system
It is parallel on the gas output end of back blowing machine, and by the signal control line of described back blowing machine and sack cleaner, with oneself
The control module of dynamic controlling organization connects composition TRT dry bag-type dust pelletizing system；
B, the collection of blast furnace gas and dedusting, blast furnace gas distributes into each described sack cleaner after discharge collection,
And the filter bag by arranging on corresponding sack cleaner, during described sack cleaner, trap it at described blast furnace gas
In dust, complete the collection to blast furnace gas and dedusting work；
C, the blowback dedusting of sack cleaner, after the substantial amounts of dust of filter bag trapping of sack cleaner, by described automatic control
The control module of mechanism processed, the described back blowing machine of control respectively one by one blowback dedusting is carried out to each described sack cleaner,
Carried out in the steps below by the blowback dedusting to each sack cleaner for the back blowing machine,
The blowback start button pressing automatic controls starts back blowing machine, and time delay 30 seconds simultaneously judges each cloth bag of dust pelletizing system
The duty of deduster, on the premise of the blast furnace gas ensureing dust pelletizing system passes through function, closing needs to carry out blowback dedusting
Sack cleaner filter control device, open this sack cleaner blowback control device carry out blowback dedusting, time delay
20s～60s, is then shut off the blowback control device of described sack cleaner, time delay 30s～100s, finally opens this bag-type dust
The filtration control device of device, and time delay 30～200s, complete the blowback dedusting work of a sack cleaner, according to this
Analogize, when each sack cleaner needs to carry out blowback dedusting, repeat above-mentioned step and can complete to corresponding sack cleaner
Blowback dedusting work,
It is additionally provided with alarm in described controlling organization.
2. the blowback dust collection method for TRT dry dust removal system according to claim 1, it is characterised in that: each
The sack cleaner being arranged in juxtaposition in the described TRT dry bag-type dust pelletizing system of set is six, eight or 12.
3. the blowback dust collection method for TRT dry dust removal system according to claim 1, it is characterised in that: each
The filter bag arranged in individual sack cleaner is 56.
4. the blowback dust collection method for TRT dry dust removal system according to claim 1, it is characterised in that: each
The back blowing machine arranged in the described TRT dry bag-type dust pelletizing system of set is two, wherein one standby.
5. the blowback dust collection method for TRT dry dust removal system according to claim the 1st, the 2nd, 3 or 4, its feature
Being: described filtration control device is strainer valve, described blowback control device is back-flushing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591926.2A CN104275053B (en) | 2014-10-28 | 2014-10-28 | Blowback dust collection method for TRT dry dust removal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591926.2A CN104275053B (en) | 2014-10-28 | 2014-10-28 | Blowback dust collection method for TRT dry dust removal system |
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| Publication Number | Publication Date |
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| CN104275053A CN104275053A (en) | 2015-01-14 |
| CN104275053B true CN104275053B (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410591926.2A Active CN104275053B (en) | 2014-10-28 | 2014-10-28 | Blowback dust collection method for TRT dry dust removal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111104708A (en) * | 2019-12-26 | 2020-05-05 | 中交一航局安装工程有限公司 | BIM technology-based forward design method for dry type dust removal system of port |
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|---|---|---|---|---|
| CN2198025Y (en) * | 1994-05-04 | 1995-05-24 | 上海市凌桥环保设备厂 | Counter-washing, sediment and filtering three state ash removing device |
| CN2828056Y (en) * | 2005-10-26 | 2006-10-18 | 首钢总公司 | Bas cloth bag dust removing system for blast furnace |
| CN102225284A (en) * | 2011-05-26 | 2011-10-26 | 南京信息职业技术学院 | Pulse type control device for de-dusting equipment |
| CN203862034U (en) * | 2013-12-30 | 2014-10-08 | 佛山市人居环保工程有限公司 | Separated type off-line ash and dust removal device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664178B1 (en) * | 1990-07-09 | 1992-10-30 | Gore W L & Ass Sarl | INSTALLATION FOR GAS FILTERING WITH IMPROVED CLEANING MEANS. |
| JPH06285319A (en) * | 1993-04-06 | 1994-10-11 | Daido Steel Co Ltd | Cartridge bag filter |
-
2014
- 2014-10-28 CN CN201410591926.2A patent/CN104275053B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198025Y (en) * | 1994-05-04 | 1995-05-24 | 上海市凌桥环保设备厂 | Counter-washing, sediment and filtering three state ash removing device |
| CN2828056Y (en) * | 2005-10-26 | 2006-10-18 | 首钢总公司 | Bas cloth bag dust removing system for blast furnace |
| CN102225284A (en) * | 2011-05-26 | 2011-10-26 | 南京信息职业技术学院 | Pulse type control device for de-dusting equipment |
| CN203862034U (en) * | 2013-12-30 | 2014-10-08 | 佛山市人居环保工程有限公司 | Separated type off-line ash and dust removal device |
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| CN104275053A (en) | 2015-01-14 |
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