CN101422680A - Automatic cleaning technique of dust collection tube of dust removing system - Google Patents
Automatic cleaning technique of dust collection tube of dust removing system Download PDFInfo
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- CN101422680A CN101422680A CNA200810228942XA CN200810228942A CN101422680A CN 101422680 A CN101422680 A CN 101422680A CN A200810228942X A CNA200810228942X A CN A200810228942XA CN 200810228942 A CN200810228942 A CN 200810228942A CN 101422680 A CN101422680 A CN 101422680A
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- dust
- dust removal
- flap valve
- dust removing
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Abstract
The invention relates to an automatic clean technology for a dust pipe of a dust removal system. The technology makes use of the characteristics of a balance flap valve that under a certain pressure, the balance flap valve can automatically open and close and regulate network air volume to cause a dust removal system fan to periodically and rapidly operate in an operation state of low load for a long time; the changes of network pressures are used for controlling and balancing the opening and closing of the balance flap valve to cause a dust pipe network to periodically operate at a designed rated flow rate; and the accumulated dust in the pipe enters a dust removal device to be purified along with airflow and the purified air is finally discharged into the atmosphere. Compared with the dust removal system which has a plurality of dust removal points, strong randomness of dust removal point work, high concentration of dust in the airflow and dust removal pipes which can only be arranged horizontally, the automatic clean technology can timely and effectively eliminate the pipe dust which is caused by a long period of a technology operation at low speed of the dust removal system along and simultaneously the balance flap valve of the automatic clean technology for the dust pipe of the dust removal system can also eliminate the surge phenomenon of the dust removal system fan.
Description
Technical field
The present invention relates to a kind of automatic cleaning technique of dust collection tube of dust removing system, be mainly used in dedusting count many, remove that dirt pits work randomness is strong, the air-flow dust content is higher, and the cleaning of the dust collection tube of dust removing system that cleaning shaft can only be horizontally disposed.
Background technology
The operating condition that dust pelletizing system is respectively removed dirt pits closely links to each other with the process equipment operating condition.For dedusting count many, remove that dirt pits work randomness is strong, the air-flow dust content is higher, and cleaning shaft can only be horizontally disposed dust pelletizing system, because dedusting number of spots and dedusting position are adjusted at random with the operation of process equipment, so the operating mode air quantity of dust pelletizing system is not changeless, can be in 0~100% middle random fluctuation, dust pelletizing system often is in the underrun state.In order to guarantee the dust pelletizing system energy-saving run, take adjusting measures such as hydraulic coupler-speed regulation or motor variable-frequency speed-regulating usually.Because the cleaning shaft cross section is unadjustable, when dedusting pipe network flow descends with the technology adjustment, flow velocity sharply descends in the pipe network, pipeline laying dust phenomenon is very serious, address this problem as untimely, not only can't guarantee stable, the operation effectively of dust pelletizing system, but also cause the paralysis of dust removing tube network operation easily.
Summary of the invention
The purpose of this invention is to provide a kind of easy to operate, effective automatic cleaning technique of dust collection tube of dust removing system, the characteristics of this technology utilization balance flap valve energy automatic open close under certain pressure, under the situation of dust pelletizing system underrun, the high-speed cruising state is arrived in the dedusting fan speed governing, replenish the air quantity of dust pelletizing system, make the regular full speed running of dust pelletizing system blower fan, so that the dust with sedimentation in the cleaning shaft transfers out with air-flow at any time, finish the clean up task of collection tube of dust, guarantee stable, the operation effectively of dust pelletizing system.
For achieving the above object, the present invention is achieved through the following technical solutions:
Automatic cleaning technique of dust collection tube of dust removing system, comprise the balance flap valve, the dust removing tube net unit, gas cleaning unit and pure qi (oxygen) exhaust unit, when the dust pelletizing system underrun, rotation speed of fan is adjusted to the high-speed cruising state, the pressure of dust removing tube net unit changes, the balance flap valve that is located at dust removing tube net unit end is opened under certain pressure automatically, outdoor air adds in the dust removing tube net unit automatically, gas flow rate reaches design rating in the pipeline, the pipeline laying dust enters into the gas cleaning unit with air-flow and purifies, and purified gas enters atmosphere through the pure qi (oxygen) exhaust unit; The laying dust cleaning of cleaning shaft finishes, and dedusting fan is with process equipment manipulation situation speed governing operation, and the balance flap valve returns to off status.
Described balance flap valve is a turnover panel counter weight type structure, and it is installed in the end of dedusting pipe network, and it can be opened under certain pressure automatically, and the air quantity that JUMPS Automated Supplemental System is required moves the dedusting pipe network under rated load.
The invention has the beneficial effects as follows: the characteristics of this technology utilization balance flap valve energy automatic open close under certain pressure, under the situation of dust pelletizing system underrun, the high-speed cruising state is arrived in the dedusting fan speed governing, replenish the air quantity of dust pelletizing system, make the regular full speed running of dust pelletizing system blower fan, so that the dust with sedimentation in the cleaning shaft transfers out with air-flow at any time, finish the clean up task of collection tube of dust, guarantee stable, the operation effectively of dust pelletizing system.For dedusting count many, remove that dirt pits work randomness is strong, the air-flow dust content is higher, and cleaning shaft can only be horizontally disposed dust pelletizing system, this technology can be removed in time, effectively owing to the dust pelletizing system pipeline laying dust that long-term low cruise is caused with technological operation, and the balance flap valve in the automatic cleaning technique of dust collection tube of dust removing system also can be used for eliminating dust pelletizing system blower fan surge phenomenon simultaneously.
Description of drawings
Fig. 1 is the composition schematic diagram of automatic cleaning technique of dust collection tube of dust removing system.
Fig. 2 is the structural front view of balance flap valve.
Fig. 3 is the internal structure schematic diagram of balance flap valve.
The specific embodiment
Introduce automatic cleaning technique of dust collection tube of dust removing system of the present invention in detail below in conjunction with accompanying drawing:
See Fig. 1, automatic cleaning technique of dust collection tube of dust removing system, this technology is made of balance flap valve 1, dust removing tube net unit 2, gas cleaning unit 3 and pure qi (oxygen) exhaust unit 4.Wherein said balance flap valve 1 is a single devices; Dust removing tube net unit 2 is made of each dedusting air-suction cover, motor-driven valve etc.; Gas cleaning unit 3 is made of the final products of all kinds of gas cleanings; Pure qi (oxygen) exhaust unit 4 is made up of blower fan, silencer, chimney and corresponding connecting elements.
See Fig. 1, balance flap valve 1 is located at the end of dust removing tube net unit 2, and an end is connected to outside atmosphere by silencer, and the other end then is connected with dust removing tube net unit 2.When the motor-driven valve quantity of opening with technological operation in the dust removing tube net unit 2 reduces or motor-driven valve when opening arbitrarily, dedusting fan is in the underrun state, beginning laying dust in the cleaning shaft of level.Regularly dedusting fan in the pure qi (oxygen) exhaust unit 4 is adjusted to high-speed cruising, because respectively remove the dedusting air quantity of dirt pits and do not change this moment, dedusting pipe network inner suction can increase sharply, balance flap valve 1 is opened under certain pressure automatically, outdoor air adds to rapidly in the dust removing tube net unit 2, flow velocity in the dust removing tube net unit 2 reaches design rating, and the pipeline laying dust enters into gas cleaning unit 3 with air-flow and purifies, and purified gas enters atmosphere through pure qi (oxygen) exhaust unit 4.The laying dust cleaning of cleaning shaft finishes, and dedusting fan is with process equipment manipulation situation speed governing operation, and the balance flap valve returns to closed condition.
See Fig. 2, Fig. 3, balance flap valve 1 is the version that turnover panel 5 adds counter weight device 6, and its counterweight can be adjusted according to the difference of ductwork pressure.In actual engineering operation, balance flap valve 1 not only is used for the cleaning procedure of collection tube of dust, but also can eliminate the blower fan surge phenomenon of dust pelletizing system.
Claims (2)
1. automatic cleaning technique of dust collection tube of dust removing system, it is characterized in that, this technology comprises the balance flap valve, the dust removing tube net unit, gas cleaning unit and pure qi (oxygen) exhaust unit, when the dust pelletizing system underrun, rotation speed of fan is adjusted to the high-speed cruising state, the pressure of dust removing tube net unit changes, the balance flap valve that is located at dust removing tube net unit end is opened under certain pressure automatically, outdoor air adds in the dust removing tube net unit automatically, gas flow rate reaches design rating in the pipeline, the pipeline laying dust enters into the gas cleaning unit with air-flow and purifies, and purified gas enters atmosphere through the pure qi (oxygen) exhaust unit; The laying dust cleaning of cleaning shaft finishes, and dedusting fan is with process equipment manipulation situation speed governing operation, and the balance flap valve returns to off status.
2, require 1 described automatic cleaning technique of dust collection tube of dust removing system according to letter of authorization, it is characterized in that, described balance flap valve is a turnover panel counter weight type structure, it is installed in the end of dedusting pipe network, it can be opened under certain pressure automatically, the air quantity that JUMPS Automated Supplemental System is required moves the dedusting pipe network under rated load.
Priority Applications (1)
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CN200810228942XA CN101422680B (en) | 2008-11-21 | 2008-11-21 | Automatic cleaning technique of dust collection tube of dust removing system |
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CN200810228942XA CN101422680B (en) | 2008-11-21 | 2008-11-21 | Automatic cleaning technique of dust collection tube of dust removing system |
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CN101422680A true CN101422680A (en) | 2009-05-06 |
CN101422680B CN101422680B (en) | 2011-07-06 |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101975184A (en) * | 2010-11-12 | 2011-02-16 | 中冶焦耐(大连)工程技术有限公司 | Energy-saving control method and device of dust removal blower of coke oven |
CN103127781A (en) * | 2012-12-29 | 2013-06-05 | 鞍钢集团工程技术有限公司 | Assessing and adjusting method of bag-type dedusting system |
CN103185610A (en) * | 2011-12-30 | 2013-07-03 | 鞍钢集团工程技术有限公司 | Dust removing system pipe network resistance balance evaluation and debugging method |
CN104436902A (en) * | 2014-11-13 | 2015-03-25 | 唐山市通宝焦化有限公司 | Ground dust removal balancing device and dust removal method |
CN104922986A (en) * | 2015-06-03 | 2015-09-23 | 成都易态科技有限公司 | Yellow phosphorus furnace gas dry dusting filtration system |
CN105561691A (en) * | 2015-08-26 | 2016-05-11 | 李国栋 | Waste gas purification system for acetylene generator calcium carbide canopy and operating method thereof |
CN108905414A (en) * | 2018-08-16 | 2018-11-30 | 恒力石化(大连)炼化有限公司 | A kind of dedusting piping installation and its pipeline dust removal method |
CN110447625A (en) * | 2019-08-14 | 2019-11-15 | 李翊玮 | The method of mechanical Pesticidal and sterilizing is carried out inside a kind of pair of dust removal by ventilation pipeline |
CN111468402A (en) * | 2020-05-27 | 2020-07-31 | 吉林烟草工业有限责任公司 | Online purging and dedusting system and control method thereof |
CN112246034A (en) * | 2020-09-30 | 2021-01-22 | 金丽莎 | Cleaning assembly for indoor air purification device ventilation pipeline |
CN115055475A (en) * | 2022-07-18 | 2022-09-16 | 中冶赛迪技术研究中心有限公司 | Dust accumulation prevention device and method for dust removal pipeline under variable working conditions |
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Publication number | Priority date | Publication date | Assignee | Title |
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US3653188A (en) * | 1970-06-18 | 1972-04-04 | Fuller Co | Dust collector |
CN2147400Y (en) * | 1992-11-05 | 1993-11-24 | 冶金工业部重庆钢铁设计研究院 | Air check valve |
CN2766933Y (en) * | 2005-01-15 | 2006-03-29 | 王东强 | Compartment positioning circuit pulsation low-pressure reversal blower bag type dust collector |
CN201057460Y (en) * | 2007-02-05 | 2008-05-07 | 武汉景弘环保科技有限公司 | Dust removing system for diesel oil combustion plant |
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2008
- 2008-11-21 CN CN200810228942XA patent/CN101422680B/en active Active
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101975184A (en) * | 2010-11-12 | 2011-02-16 | 中冶焦耐(大连)工程技术有限公司 | Energy-saving control method and device of dust removal blower of coke oven |
CN103185610A (en) * | 2011-12-30 | 2013-07-03 | 鞍钢集团工程技术有限公司 | Dust removing system pipe network resistance balance evaluation and debugging method |
CN103185610B (en) * | 2011-12-30 | 2015-07-15 | 鞍钢集团工程技术有限公司 | Dust removing system pipe network resistance balance evaluation and debugging method |
CN103127781A (en) * | 2012-12-29 | 2013-06-05 | 鞍钢集团工程技术有限公司 | Assessing and adjusting method of bag-type dedusting system |
CN104436902A (en) * | 2014-11-13 | 2015-03-25 | 唐山市通宝焦化有限公司 | Ground dust removal balancing device and dust removal method |
CN104922986A (en) * | 2015-06-03 | 2015-09-23 | 成都易态科技有限公司 | Yellow phosphorus furnace gas dry dusting filtration system |
CN105561691A (en) * | 2015-08-26 | 2016-05-11 | 李国栋 | Waste gas purification system for acetylene generator calcium carbide canopy and operating method thereof |
CN108905414A (en) * | 2018-08-16 | 2018-11-30 | 恒力石化(大连)炼化有限公司 | A kind of dedusting piping installation and its pipeline dust removal method |
CN110447625A (en) * | 2019-08-14 | 2019-11-15 | 李翊玮 | The method of mechanical Pesticidal and sterilizing is carried out inside a kind of pair of dust removal by ventilation pipeline |
CN111468402A (en) * | 2020-05-27 | 2020-07-31 | 吉林烟草工业有限责任公司 | Online purging and dedusting system and control method thereof |
CN112246034A (en) * | 2020-09-30 | 2021-01-22 | 金丽莎 | Cleaning assembly for indoor air purification device ventilation pipeline |
CN115055475A (en) * | 2022-07-18 | 2022-09-16 | 中冶赛迪技术研究中心有限公司 | Dust accumulation prevention device and method for dust removal pipeline under variable working conditions |
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Effective date of registration: 20180724 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC Address before: No. 27, Shengnan Road, Dong Dong District, Anshan, Liaoning Province Patentee before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC |