CN103432857A - System and method for automatically cleaning dust in dusty gas medium pipeline - Google Patents
System and method for automatically cleaning dust in dusty gas medium pipeline Download PDFInfo
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- CN103432857A CN103432857A CN2013104146224A CN201310414622A CN103432857A CN 103432857 A CN103432857 A CN 103432857A CN 2013104146224 A CN2013104146224 A CN 2013104146224A CN 201310414622 A CN201310414622 A CN 201310414622A CN 103432857 A CN103432857 A CN 103432857A
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Abstract
The invention discloses a system for automatically cleaning dust in a dusty gas medium pipeline. The system comprises more than one dust collecting conical funnels arranged on a dusty gas pipeline, as well as an electric dust cleaning valve, a filter and a vacuuming system arranged on the outlet of each dust collecting conical funnel, wherein each electronic dust cleaning valve is connected with the filter and the vacuuming system through a dust cleaning pipeline in sequence; the system further comprises an automatic control system for controlling the electronic dust cleaning valve, the filter and the vacuuming system to work. The invention further discloses a method for automatically cleaning dust in the dusty gas medium pipeline, and according to the method, the dust is cleaned by using the vacuum and the pressure difference. The system and the method for automatically cleaning dust in the dusty gas medium pipeline, disclosed by the invention, are applicable to gas medium pipelines with fine powder grains, difficult to stick, water-free and dry, the energy consumption can be reduced, the maintenance is convenient, the dust cleaning effect is good, and the environment pollution is reduced.
Description
Technical field
The invention belongs to cleanser conduit system field, specifically relate to a kind of dusty gas medium pipeline automatic ash removing system and method.
Background technology
At industrial circle, for the dusty gas medium pipeline as flue, gas piping etc., in the medium transport process, easily at position dust stratifications such as valve, elbow, threeway, pipeline low spots, pipeline purge mode commonly used has Compressed Gas purging, high pressure water washing, artificial deashing etc. at present.
The Compressed Gas Purge methods is reserved joint and the ash-removing mouth of purging in interval on the dusty gas medium pipeline normally.During deashing, pass into Compressed Gas along MEDIA FLOW to dust stratification is blowed to ash-removing mouth.The shortcoming and defect of this mode: a, larger at the ash-removing mouth airborne dust while purging, cause secondary pollution to environment; B, when the medium containing dust pipe diameter is larger, the Compressed Gas flow velocity is slower, ash-removal effect is not good, as increase purged joint and compression gas flow, increases the consumption of medium, has improved operation expense.
High pressure water washing mode and Compressed Gas Purge methods are similar, the reserved flush-through connection in interval and ash-removing mouth on the medium containing dust pipeline.But due at industrial circle, in factory, clean circulating water, turbid circulating water wirking pressure are 0.3-0.4MPa, pressure (more than 1.0MPa) that special booster improves flushing water need be set to meet the deashing requirement.When the shortcoming and defect of this mode: a, deashing, flushing water and dust stratification form mud, collect difficulty, easily environment are caused to secondary pollution; Need after b, flushing pipeline is purged and drying, increased maintenance cost and maintenance time.
Artificial deashing is to enter medium pipeline by the maintainer to carry out artificial deashing.The shortcoming and defect of this mode: 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, the operating personnel easily causes the Occupational Disease Hazards such as suffocate, 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 the fine powdery particle that this dusty gas medium pipeline automatic ash removing system and method is applicable to Dust Characteristics, be difficult for bonding, anhydrous, dry gas medium pipeline, utilize negative pressure to carry out deashing to the dusty gas medium pipeline, it reduces energy consumption, easy to maintenance, ash-removal effect good, reduce contaminated environment.
In order to achieve the above object, a kind of dusty gas medium pipeline of the present invention automatic ash removing system comprises electronic soot cleaning valve, filter and the pumped vacuum systems that 1 dust stratification cone struggled against, was arranged on each dust stratification cone bucket outlet that be no less than be arranged on the dusty gas pipeline, each described electronic soot cleaning valve all is connected with pumped vacuum systems with filter successively by the deashing pipeline, also comprises for controlling the automatic control system of electronic soot cleaning valve, filter and pumped vacuum systems work.
Further, described automatic control system comprise the PLC system, for the material-level detection system of measuring dust stratification cone bucket and filter ash bucket ash amount, for the vacuum detection system of measuring each point vacuum in pumped vacuum systems with for measuring the differential pressure measuring system of pressure reduction before and after electronic soot cleaning valve and filter.
Further, described filter is set to the 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 that separate unit oil-sealed rotary pump or many mechanical vacuum parallels connection of pumps add tandem compound pump group structure.
Further, described oil-sealed rotary pump is set to lobe pump or screw pump.
The present invention has also disclosed a kind of dusty gas medium pipeline automatic ash removing method, and its step is as follows:
1), material level detects, and by automatic control system, measures the ash amount in dust stratification cone bucket, when dust stratification reaches high charge level, the startup pumped vacuum systems, close the technique valve on the dusty gas pipeline;
2), vacuum, vacuum in the filter system after electronic soot cleaning valve and deashing pipeline is transferred to 30Pa;
3), deashing process, open electronic soot cleaning valve, the front and back pressure reduction while utilizing electronic soot cleaning valve valve opening is brought dust stratification in dust stratification cone bucket into filter by the deashing pipeline.
Further, in step 3), also comprise the repetition deashing process, close electronic soot cleaning valve, utilize and to open the technique valve pressure in dust stratification cone bucket is returned to normal pressure, returning to 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 is by adopting oil-sealed rotary pump to be vacuumized, front and back pressure reduction while utilizing valve opening is brought dust stratification in dust stratification cone bucket into filter by the deashing pipeline, carry out deashing, energy consumption is little, use cost is low, only consume a small amount of electric energy, without compression gas or high pressure washing water consumption.
2, dusty gas medium pipeline automatic ash removing system architecture of the present invention is single, and without configuration Compressed Gas Preparation equipment or the water under high pressure equipment that boosts, equipment cost is low.
3, dusty gas medium pipeline automatic ash removing system convenient operating maintenance of the present invention, automaticity is high, workload is little.
4, dusty gas medium pipeline automatic ash removing system of the present invention is by adopting the dry method dust filter, and ash-removal effect is good, environmentally safe.
The accompanying drawing explanation
The structural representation that Fig. 1 is dusty gas medium pipeline automatic ash removing system of the present invention.
Reference numeral: 1-dusty gas pipeline; 2-technique valve; 3-dust stratification cone bucket; The electronic soot cleaning valve of 4-; 5-deashing pipeline; The 6-filter; The 7-vavuum pump; The 8-material-level detection system; 9-vacuum detection system; 10-differential pressure measuring system; The 11-PLC system; The 12-unloading valve.
The specific embodiment
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 medium pipeline of the present invention automatic ash removing system comprises electronic soot cleaning valve 4, filter 6 and the pumped vacuum systems that 1 dust stratification is bored bucket 3, is arranged on each dust stratification cone bucket 3 outlet that are no less than that are arranged on dusty gas pipeline 1, each described electronic soot cleaning valve 4 all is connected with pumped vacuum systems with filter 6 successively by deashing pipeline 5, also comprises for controlling the automatic control system of electronic soot cleaning valve 4, filter 6 and pumped vacuum systems work.
The present embodiment is by adopting oil-sealed rotary pump to be vacuumized, front and back pressure reduction while utilizing electronic soot cleaning valve valve opening is brought dust stratification in dust stratification cone bucket into filter by the deashing pipeline, carry out deashing, filter is filtered dust stratification simultaneously, avoid dust stratification to enter oil-sealed rotary pump and discharge atmosphere, minimizing damages oil-sealed rotary pump, reduces the pollution of environment
Further, described automatic control system comprise PLC system 11, for the material-level detection system 8 of measuring the interior ash bucket ash of dust stratification cone bucket 3 and filter 6 amount, for the vacuum detection system 9 of measuring each point vacuum in pumped vacuum systems with for measuring the differential pressure measuring system 10 of electronic soot cleaning valve 4 and filter 6 front and back pressure reduction.
Further, described filter 6 is set to the 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 detects the interior ash bucket ash of filter 6 amount by material-level detection system 8, when the interior ash bucket of filter 6 ash amount reach a certain amount of after, carry out deashing by opening pressure-relief valve 12.
Further, described pumped vacuum systems comprises that separate unit oil-sealed rotary pump 7 or many oil-sealed rotary pump 7 parallel connections add tandem compound pump group structure.
Further, described oil-sealed rotary pump 7 is set to lobe pump or screw pump.
The present invention has also disclosed a kind of dusty gas medium pipeline automatic ash removing method, and its step is as follows:
1), material level detects, and by automatic control system, measures the ash amount in dust stratification cone bucket, when dust stratification reaches high charge level, the startup pumped vacuum systems, close the technique valve 2 on the dusty gas pipeline;
2), vacuum, vacuum in the filter system after electronic soot cleaning valve and deashing pipeline is transferred to 30Pa;
3), deashing process, open electronic soot cleaning valve, the front and back pressure reduction while utilizing electronic soot cleaning valve valve opening is brought dust stratification in dust stratification cone bucket into filter by the deashing pipeline.
Further, in step 3), also comprise the repetition deashing process, close electronic soot cleaning valve, utilize and to open the technique valve pressure in dust stratification cone bucket is returned to normal pressure, returning to step 2) vacuum, repeat to vacuumize and deashing process, until the dust stratification in dust stratification cone bucket has been removed.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the claims in the present invention book limited range.
Claims (7)
1. a dusty gas medium pipeline automatic ash removing system, it is characterized in that: comprise electronic soot cleaning valve, filter and the pumped vacuum systems that 1 dust stratification cone struggled against, was arranged on each dust stratification cone bucket outlet that be no less than be arranged on the dusty gas pipeline, each described electronic soot cleaning valve all is connected with pumped vacuum systems with filter successively by the deashing pipeline, also comprises for controlling the automatic control system of electronic soot cleaning valve, filter and pumped vacuum systems work.
2. dusty gas medium pipeline automatic ash removing system as claimed in claim 1 is characterized in that: described automatic control system comprises the PLC system, for the material-level detection system of measuring dust stratification cone bucket and filter ash bucket ash amount, for the vacuum detection system of measuring each point vacuum in pumped vacuum systems with for measuring the differential pressure measuring system of pressure reduction before and after electronic soot cleaning valve and filter.
3. dusty gas medium pipeline automatic ash removing system as claimed in claim 1 or 2, it is characterized in that: described filter is set to the dry method dust filter, 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.
4. dusty gas medium pipeline automatic ash removing system as claimed in claim 1 or 2, it is characterized in that: described pumped vacuum systems comprises that separate unit oil-sealed rotary pump or many mechanical vacuum parallels connection of pumps add tandem compound pump group structure.
5. dusty gas medium pipeline automatic ash removing system as claimed in claim 4, it is characterized in that: described oil-sealed rotary pump is set to lobe pump or screw pump.
6. the ash removal method of use dusty gas medium pipeline as described as claim 1～5 an any one automatic ash removing system, it is characterized in that: its step is as follows:
1), material level detects, and by automatic control system, measures the ash amount in dust stratification cone bucket, when dust stratification reaches high charge level, the startup pumped vacuum systems, close the technique valve on the dusty gas pipeline;
2), vacuum, vacuum in the filter system after electronic soot cleaning valve and deashing pipeline is transferred to 30Pa;
3), deashing process, open electronic soot cleaning valve, the front and back pressure reduction while utilizing electronic soot cleaning valve valve opening is brought dust stratification in dust stratification cone bucket into filter by the deashing pipeline.
7. a kind of dusty gas medium pipeline automatic ash removing method as claimed in claim 6, it is characterized in that: in step 3), also comprise the repetition deashing process, close electronic soot cleaning valve, utilization is opened the technique valve pressure in dust stratification cone bucket is returned to normal pressure, returning to step 2) vacuum, repeat to vacuumize and deashing process, until the dust stratification in dust stratification cone bucket has been removed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN103432857A (en) | 2013-12-11 |
| CN103432857B CN103432857B (en) | 2015-09-09 |
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Cited By (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 |
| CN111537405A (en) * | 2020-04-23 | 2020-08-14 | 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 |
-
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 |
Cited By (3)
| 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 |
| CN111537405A (en) * | 2020-04-23 | 2020-08-14 | 中国矿业大学 | Automatic fine particle detection and intelligent identification device and method for industrial dust removal |
| 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 |
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|---|---|
| CN103432857B (en) | 2015-09-09 |
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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 |