CN103432857B - Dusty gas medium pipeline automatic ash removing system and method - Google Patents
Dusty gas medium pipeline automatic ash removing system and method Download PDFInfo
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- CN103432857B CN103432857B CN201310414622.4A CN201310414622A CN103432857B CN 103432857 B CN103432857 B CN 103432857B CN 201310414622 A CN201310414622 A CN 201310414622A CN 103432857 B CN103432857 B CN 103432857B
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Abstract
The invention discloses a kind of dusty gas medium pipeline automatic ash removing system to comprise being arranged on dusty gas pipeline is no less than 1 dust stratification cone bucket, be arranged on the electronic soot cleaning valve of each dust stratification cone bucket outlet, filter and pumped vacuum systems, each described electronic soot cleaning valve is all connected with filter and pumped vacuum systems successively by deashing pipeline, also comprise for controlling electronic soot cleaning valve, the automatic control system of filter and pumped vacuum systems work, also disclose a kind of dusty gas medium pipeline automatic ash removing method, this ash removal method utilizes vacuum and pressure reduction to carry out deashing, it is fine powdery particle that dusty gas medium pipeline automatic ash removing system and method for the present invention is applicable to Dust Characteristics, not easily bond, anhydrous, dry gas medium pipeline, it reduces energy consumption, easy to maintenance, ash-removal effect number, decreasing pollution environment.
Description
Technical field
The invention belongs to cleanser conduit system regions, specifically relate to a kind of dusty gas medium pipeline automatic ash removing system and method.
Background technology
At industrial circle, for dusty gas medium pipeline as flue, gas piping etc., in medium transport process, easily at position dust stratifications such as valve, elbow, threeway, pipeline low spots, conventional pipeline purge mode has Compressed Gas purging, high pressure water washing, artificial deashing etc. at present.
Compressed Gas Purge methods is interval reserved purging joint and ash-removing mouth on dusty gas medium pipeline normally.During deashing, pass into Compressed Gas, along the medium flow direction, dust stratification is blowed to ash-removing mouth.Comparatively large at ash-removing mouth airborne dust when the shortcoming and defect of which: a, purging, secondary pollution is caused to environment; B, when medium containing dust pipe diameter is larger, Compressed Gas flow velocity is comparatively slow, and ash-removal effect is not good, purges joint and compression gas flow, then increase the consumption of medium, improve operation expense as increased.
High pressure water washing mode and Compressed Gas Purge methods similar, on medium containing dust pipeline, flush-through connection and ash-removing mouth are reserved in interval.But due at industrial circle, in factory, clean circulating water, turbid circulating water wirking pressure are 0.3-0.4MPa, need arrange special booster to improve the pressure (more than 1.0MPa) of flushing water to meet deashing requirement.When the shortcoming and defect of which: a, deashing, flushing water and dust stratification form mud, collect difficulty, easily cause secondary pollution to environment; Need after b, flushing to purge pipeline and drying, add maintenance cost and maintenance time.
Artificial deashing is then enter medium pipeline by maintainer to carry out artificial deashing.The shortcoming and defect of which: a, work under bad environment, labor strength is large; B, owing to being in Working in confined space, and medium containing dust is generally toxic and harmful, and operating personnel easily causes Occupational Disease Hazards such as suffocating, poisoning.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of dusty gas medium pipeline automatic ash removing system and method, it is fine powdery particle, not easily bonding, anhydrous, dry gas medium pipeline that this dusty gas medium pipeline automatic ash removing system and method is applicable to Dust Characteristics, utilize negative pressure to carry out deashing to dusty gas medium pipeline, it reduces energy consumption, easy to maintenance, ash-removal effect good, decreasing pollution environment.
In order to achieve the above object, a kind of dusty gas of the present invention medium pipeline automatic ash removing system comprises 1 dust stratification that is no less than be arranged on dusty gas pipeline and bores bucket, is arranged on the electronic soot cleaning valve of each dust stratification cone bucket outlet, filter and pumped vacuum systems, each described electronic soot cleaning valve is all connected with filter and pumped vacuum systems successively by deashing pipeline, also comprises the automatic control system for controlling electronic soot cleaning valve, filter and pumped vacuum systems work.
Further, described automatic control system comprising PLC system, boring the material-level detection system of bucket and filter ash bucket ash quantity for measuring dust stratification, for measuring the vacuum degree measurement system of each point vacuum in pumped vacuum systems and the differential pressure measuring system for measuring pressure reduction before and after electronic soot cleaning valve and filter.
Further, described filter is set to dry method dust filter, and described dry method dust filter adopts the combining structure of whirlwind and cloth bag, and described dry method dust filter bottom is provided with pressure-relief valve.
Further, described pumped vacuum systems comprises separate unit oil-sealed rotary pump or the parallel connection of pumps of multiple stage mechanical vacuum adds tandem compound pump group structure.
Further, described oil-sealed rotary pump is set to lobe pump or screw pump.
Present invention further teaches a kind of dusty gas medium pipeline automatic ash removing method, its step is as follows:
1), material-level measure, measure the ash quantity in dust stratification cone bucket by automatic control system, start pumped vacuum systems when dust stratification reaches high charge level, close the process valve on dusty gas pipeline;
2), vacuum, vacuum in the filter system after electronic soot cleaning valve and deashing pipeline is transferred to below 30Pa;
3), deashing process, open electronic soot cleaning valve, front and back pressure reduction when utilizing electronic soot cleaning valve valve opening brings dust stratification in dust stratification cone bucket into filter by deashing pipeline.
Further, in step 3), also comprise repetition deashing process, close electronic soot cleaning valve, utilize open process valve by dust stratification cone bucket in pressure recover to normal pressure, returning step 2) vacuum, repeat to vacuumize and deashing process, until the dust stratification in dust stratification cone bucket has been removed.
Beneficial effect of the present invention is:
1, dusty gas medium pipeline automatic ash removing system and method for the present invention vacuumizes by adopting oil-sealed rotary pump, front and back pressure reduction during valve opening is utilized to bring dust stratification in dust stratification cone bucket into filter by deashing pipeline, carry out deashing, energy consumption is little, use cost is low, only consume a small amount of electric energy, without Compressed Gas or high pressure washing water consumption.
2, dusty gas medium pipeline automatic ash removing system architecture list of the present invention, without the need to configuring Compressed Gas Preparation equipment or water under high pressure booster apparatus, equipment cost is low.
3, dusty gas medium pipeline automatic ash removing system operation maintenance of the present invention is convenient, and automaticity is high, workload is little.
4, dusty gas medium pipeline automatic ash removing system of the present invention is by adopting dry method dust filter, and ash-removal effect is good, environmentally safe.
Accompanying drawing explanation
Fig. 1 is the structural representation of dusty gas medium pipeline automatic ash removing system of the present invention.
Reference numeral: 1-dusty gas pipeline; 2-process valve; 3-dust stratification cone bucket; The electronic soot cleaning valve of 4-; 5-deashing pipeline; 6-filter; 7-vavuum pump; 8-material-level detection system; 9-vacuum degree measurement system; 10-differential pressure measuring system; 11-PLC system; 12-unloading valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Be illustrated in figure 1 the structural representation of dusty gas medium pipeline automatic ash removing system of the present invention, a kind of dusty gas of the present invention medium pipeline automatic ash removing system comprises 1 dust stratification that is no less than be arranged on dusty gas pipeline 1 and bores bucket 3, is arranged on the electronic soot cleaning valve 4 of each dust stratification cone bucket 3 outlet, filter 6 and pumped vacuum systems, each described electronic soot cleaning valve 4 is all connected with filter 6 and pumped vacuum systems successively by deashing pipeline 5, also comprises the automatic control system for controlling electronic soot cleaning valve 4, filter 6 and pumped vacuum systems work.
The present embodiment vacuumizes by adopting oil-sealed rotary pump, front and back pressure reduction during electronic soot cleaning valve valve opening is utilized to bring dust stratification in dust stratification cone bucket into filter by deashing pipeline, carry out deashing, dust stratification filters by filter simultaneously, dust stratification is avoided to enter oil-sealed rotary pump and discharge air, reduce oil-sealed rotary pump damage, reduce the pollution of environment
Further, described automatic control system comprising PLC system 11, boring the material-level detection system 8 of ash bucket ash quantity in bucket 3 and filter 6 for measuring dust stratification, for measuring the vacuum degree measurement system 9 of each point vacuum in pumped vacuum systems and the differential pressure measuring system 10 for measuring pressure reduction before and after electronic soot cleaning valve 4 and filter 6.
Further, described filter 6 is set to dry method dust filter, described dry method dust filter adopts the combining structure of whirlwind and cloth bag, described dry method dust filter bottom is provided with pressure-relief valve 12, the present embodiment is detected ash bucket ash quantity in filter 6 by material-level detection system 8, when ash bucket ash quantity in filter 6 reach a certain amount of after, by open pressure-relief valve 12 carry out deashing.
Further, described pumped vacuum systems comprises separate unit oil-sealed rotary pump 7 or multiple stage oil-sealed rotary pump 7 parallel connection adds tandem compound pump group structure.
Further, described oil-sealed rotary pump 7 is set to lobe pump or screw pump.
Present invention further teaches a kind of dusty gas medium pipeline automatic ash removing method, its step is as follows:
1), material-level measure, measure the ash quantity in dust stratification cone bucket by automatic control system, start pumped vacuum systems when dust stratification reaches high charge level, close the process valve 2 on dusty gas pipeline;
2), vacuum, vacuum in the filter system after electronic soot cleaning valve and deashing pipeline is transferred to below 30Pa;
3), deashing process, open electronic soot cleaning valve, front and back pressure reduction when utilizing electronic soot cleaning valve valve opening brings dust stratification in dust stratification cone bucket into filter by deashing pipeline.
Further, in step 3), also comprise repetition deashing process, close electronic soot cleaning valve, utilize open process valve by dust stratification cone bucket in pressure recover to normal pressure, returning step 2) vacuum, repeat to vacuumize and deashing process, until the dust stratification in dust stratification cone bucket has been removed.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (5)
1. a dusty gas medium pipeline automatic ash removing system, it is characterized in that: comprise 1 the dust stratification cone that is no less than be arranged on dusty gas pipeline and struggle against, be arranged on the electronic soot cleaning valve of each dust stratification cone bucket outlet, filter and pumped vacuum systems, each described electronic soot cleaning valve is all connected with filter and pumped vacuum systems successively by deashing pipeline, also comprise for controlling electronic soot cleaning valve, the automatic control system of filter and pumped vacuum systems work, described automatic control system comprises PLC system, for measuring the material-level detection system of dust stratification cone bucket and filter ash bucket ash quantity, for measuring the vacuum degree measurement system of each point vacuum in pumped vacuum systems and the differential pressure measuring system for measuring pressure reduction before and after electronic soot cleaning valve and filter, described filter is set to dry method dust filter, described dry method dust filter adopts the combining structure of whirlwind and cloth bag, described dry method dust filter bottom is provided with pressure-relief valve.
2. dusty gas medium pipeline automatic ash removing system as claimed in claim 1, is characterized in that: described pumped vacuum systems comprises separate unit oil-sealed rotary pump or the parallel connection of pumps of multiple stage mechanical vacuum adds tandem compound pump group structure.
3. dusty gas medium pipeline automatic ash removing system as claimed in claim 2, is characterized in that: described oil-sealed rotary pump is set to lobe pump or screw pump.
4. use an ash removal method for the dusty gas medium pipeline automatic ash removing system as described in any one of claims 1 to 3, it is characterized in that: its step is as follows:
1), material-level measure, measure the ash quantity in dust stratification cone bucket by automatic control system, start pumped vacuum systems when dust stratification reaches high charge level, close the process valve on dusty gas pipeline;
2), vacuum, vacuum in the filter system after electronic soot cleaning valve and deashing pipeline is transferred to below 30Pa;
3), deashing process, open electronic soot cleaning valve, front and back pressure reduction when utilizing electronic soot cleaning valve valve opening brings dust stratification in dust stratification cone bucket into filter by deashing pipeline.
5. ash removal method as claimed in claim 4, it is characterized in that: in step 3) in, also comprise repetition deashing process, close electronic soot cleaning valve, utilize and open process valve by the pressure recover in dust stratification cone bucket to normal pressure, returning step 2) vacuum, repeat to vacuumize and deashing process, until dust stratification cone bucket in dust stratification removed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310414622.4A CN103432857B (en) | 2013-09-12 | 2013-09-12 | Dusty gas medium pipeline automatic ash removing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310414622.4A CN103432857B (en) | 2013-09-12 | 2013-09-12 | Dusty gas medium pipeline automatic ash removing system and method |
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| CN103432857A CN103432857A (en) | 2013-12-11 |
| CN103432857B true CN103432857B (en) | 2015-09-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727013A (en) * | 2013-12-27 | 2014-04-16 | 宁夏共享集团有限责任公司 | Multi-stage vacuum pump |
| CN111537405B (en) * | 2020-04-23 | 2022-03-22 | 中国矿业大学 | Automatic fine particle detection and intelligent identification device and method for industrial dust removal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1342469A (en) * | 1969-11-05 | 1974-01-03 | Zuurbier Ltd A M G | Methods of and apparatus for cleaning pipes |
| CN201842861U (en) * | 2010-10-28 | 2011-05-25 | 重庆钢铁(集团)有限责任公司 | Cleaning device for RH dry-process vacuum pumping system |
| CN202283536U (en) * | 2011-01-28 | 2012-06-27 | 北京凡元兴科技有限公司 | Boiler detection guide pipe ash cleaning device |
| CN202968583U (en) * | 2012-12-15 | 2013-06-05 | 武钢集团昆明钢铁股份有限公司 | Dust removal device for automatically controlling ash transportation |
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2013
- 2013-09-12 CN CN201310414622.4A patent/CN103432857B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1342469A (en) * | 1969-11-05 | 1974-01-03 | Zuurbier Ltd A M G | Methods of and apparatus for cleaning pipes |
| CN201842861U (en) * | 2010-10-28 | 2011-05-25 | 重庆钢铁(集团)有限责任公司 | Cleaning device for RH dry-process vacuum pumping system |
| CN202283536U (en) * | 2011-01-28 | 2012-06-27 | 北京凡元兴科技有限公司 | Boiler detection guide pipe ash cleaning device |
| CN202968583U (en) * | 2012-12-15 | 2013-06-05 | 武钢集团昆明钢铁股份有限公司 | Dust removal device for automatically controlling ash transportation |
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Address after: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Patentee after: Company limited of Design Inst., Chongqing Iron & Steel Group Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Patentee before: Chongqing Iron & Steel Group Design Institute |