CN105478009A - Movable impulse type compressed air soot blower and using method thereof - Google Patents
Movable impulse type compressed air soot blower and using method thereof Download PDFInfo
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- CN105478009A CN105478009A CN201511030408.4A CN201511030408A CN105478009A CN 105478009 A CN105478009 A CN 105478009A CN 201511030408 A CN201511030408 A CN 201511030408A CN 105478009 A CN105478009 A CN 105478009A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
- B01D53/565—Nitrogen oxides by treating the gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0233—Other waste gases from cement factories
Abstract
The invention discloses a movable impulse type compressed air soot blower and a using method thereof. The movable impulse type compressed air soot blower comprises an air compressor and an air storage tank, wherein an air outlet of the air compressor is communicated with an air inlet of the air storage tank through a communication pipe, a refrigeration dryer, a filter and a heater are sequentially installed on the communication pipe, an air feeding header pipe bent upwards is communicated with the upper end of the outer wall of the air storage tank, a manual main control valve and a pressure sensor are installed on the horizontal section of the air feeding header pipe from left to right in sequence, a plurality of air feeding branch pipes which are horizontally distributed at intervals are communicated with the longitudinal section of the air feeding header pipe, a first manual branch control valve, a pressure stabilization air chamber, an electromagnetic pulse valve and a second manual branch control valve are installed on each air feeding branch pipe from left to right in sequence, a plurality of blowing components which are distributed in parallel at intervals are perpendicularly communicated with the portion, at the right side of the second manual branch control valve, of each air feeding branch pipe in a penetrating mode, and the blowing components conduct blowing facing the space above an SCR reactor catalyst. By the adoption of the movable impulse type compressed air soot blower, ash removal can be achieved automatically, the effect is stable, and the service life of the catalyst is not affected.
Description
Technical field:
The present invention relates to cement kiln SCR denitration system, particularly relate to a kind of active pulse formula compressed air soot-blowing device and using method thereof.
Background technology:
Along with the requirement increasingly stringent to cement producing line discharged nitrous oxides, selective catalytic reduction (SCR) is used to carry out the main direction of studying that denitration is cement producing line denitration.Owing to containing dust in cement kiln flue gas, can catalyst surface be deposited at flue gas by dust during beds, blocking catalyst duct, reduce denitration efficiency.In order to prevent dust deposit on catalyst layer, improving denitration efficiency, on every layer of catalyst, soot blower need be installed.
Conventional soot blower has acoustic wave ash ejector ﹑ steam sootblower and compressed air soot-blowing device.Because the flue gas viscosity in cement kiln flue gas is strong, the easy slagging scorification of catalyst layer surface, prove that acoustic wave ash ejector blows grey intensity not high, and result of use is unstable, is not suitable for cement kiln denitration soot blower system in engineering practice.Steam sootblower adds smoke moisture, accelerator activator inactivation, affects catalyst service life.
Summary of the invention:
In order to make up prior art problem, the object of this invention is to provide a kind of active pulse formula compressed air soot-blowing device and using method thereof, can be applied in cement producing line SCR denitration system reactor, can automatically complete deashing work.
Technical scheme of the present invention is as follows:
Active pulse formula compressed air soot-blowing device, comprises air compressor machine, air accumulator, it is characterized in that, described air compressor machine gas outlet and air accumulator air inlet, by communicating pipe UNICOM, communicating pipe are provided with cooling driers, filter, heater from left to right successively, the gas outlet of described air accumulator outer wall upper end is linked with the house steward that supplies gas of upwards bending, supply gas house steward horizontal segment on manual master control valve is installed from left to right successively, pressure sensor, longitudinal section is linked with some intervals and the arm of supplying gas of horizontal distribution, every root is supplied gas on arm and is provided with the first manual branch road by-pass valve control from left to right successively, regulated air bag, electromagnetic impulse valve, second manual branch road by-pass valve control, arm of supplying gas on the right side of described second manual branch road by-pass valve control vertically runs through and is linked with many intervals and the winding-up assembly of parallel distribution.
Described active pulse formula compressed air soot-blowing device, it is characterized in that, described winding-up assembly comprises the winding-up supervisor of vertically running through arm of supplying gas, on the upper outer wall of winding-up supervisor, interval is linked with multiple in splay winding-up arm, the winding-up mouth of winding-up arm is downward, on winding-up mouth to below SCR reactor, the distance of catalyst layer is 95 ~ 105mm, and described winding-up mouth comprises the oviduct that winding-up arm end connects, oviduct small end rectangular tube.
Described active pulse formula compressed air soot-blowing device, is characterized in that, described cooling driers, pressure sensor, heater all have the pid control module of PID automatic control system to control.
The using method of described active pulse formula compressed air soot-blowing device, is characterized in that, comprise the steps,
Steps A, the outside all pipelines of SCR reactor and air accumulator rock wool and galvanized iron sheet do isothermal holding.
Step B, produces compressed air by air compressor machine, and the compressed air pressure that air compressor machine provides must not lower than 0.6Pa;
Step C, the compressed air that air compressor machine produces removes moisture by Cemented filling to cooling driers, then through filter, is finally delivered to pipeline heater and is heated to 145 ~ 155 DEG C;
Step D, is heated to the compressed air road after 145 ~ 155 DEG C and is temporarily stored in air accumulator;
Step e, SCR reactor has multilayer, every layer corresponding with an assembly of jetting, electromagnetic impulse valve in active pulse formula compressed air soot-blowing device is all in normally off, one deck electromagnetic impulse valve is opened every 2 ~ 4min, every layer of impulse electromagnetic valve is opened in turn, the compressed air now in air accumulator by Cemented filling in the winding-up assembly of every layer; Manual master control valve, the first manual branch road by-pass valve control, the second manual branch road by-pass valve control are all in normally open; The winding-up mouth of every layer of winding-up assembly is 95 ~ 105mm to the distance of catalyst layer on the SCR reactor of below; Cooling driers, pressure sensor, heater all have the pid control module of PID automatic control system to control, and after pid control module blows gray signal to the transmission of active pulse formula compressed air soot-blowing device, impulse electromagnetic valve is opened.
Advantage of the present invention is:
The present invention can be applied in cement producing line SCR denitration system reactor, can automatically complete deashing work, effect stability, does not affect catalyst service life.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of winding-up assembly of the present invention.
Fig. 3 is the structural representation of winding-up assembly of the present invention winding-up mouth.
Detailed description of the invention:
See accompanying drawing:
Active pulse formula compressed air soot-blowing device, comprises air compressor machine 1, air accumulator 2, and air compressor machine 1 gas outlet and air accumulator 2 air inlet, by communicating pipe 3 UNICOM, communicating pipe 3 are provided with cooling driers 4, filter 5, heater 6 from left to right successively, the gas outlet of air accumulator 2 outer wall upper end is linked with the house steward 7 that supplies gas of upwards bending, supply gas house steward 7 horizontal segment on manual master control valve 8 is installed from left to right successively, pressure sensor 9, longitudinal section is linked with some intervals and the arm 10 of supplying gas of horizontal distribution, every root is supplied gas on arm 10 and is provided with the first manual branch road by-pass valve control 11 from left to right successively, regulated air bag 12, electromagnetic impulse valve 13, second manual branch road by-pass valve control 14, arm of supplying gas on the right side of second manual branch road by-pass valve control 14 vertically runs through and is linked with many intervals and the winding-up assembly 15 of parallel distribution.
Winding-up assembly 15 comprises the winding-up supervisor 15-1 vertically running through arm of supplying gas, on winding-up supervisor 15-1, on outer wall, interval is linked with multiple in splay winding-up arm 15-2, the winding-up mouth 15-3 of winding-up arm 15-2 is downward, on winding-up mouth to below SCR reactor, the distance of catalyst layer is 95 ~ 105mm, winding-up mouth 15-3 comprises the oviduct 15-3.1 that winding-up arm end connects, oviduct small end rectangular tube 15-3.2.
Cooling driers 4, pressure sensor 9, heater 6 all have the pid control module of PID automatic control system to control.
The using method of active pulse formula compressed air soot-blowing device, comprises the steps,
Step B, produces compressed air by air compressor machine 1, and the compressed air pressure that air compressor machine 1 provides must not lower than 0.6Pa;
Step C, the compressed air that air compressor machine 1 produces removes moisture by Cemented filling to cooling driers 4, then through filter 5, is finally delivered to pipeline heater and is heated to 145 ~ 155 DEG C;
Step D, is heated to the compressed air road after 145 ~ 155 DEG C and is temporarily stored in air accumulator 2;
Step e, SCR reactor has multilayer, every layer corresponding with an assembly 15 of jetting, electromagnetic impulse valve 13 in active pulse formula compressed air soot-blowing device is all in normally off, one deck electromagnetic impulse valve is opened every 2 ~ 4min, every layer of impulse electromagnetic valve is opened in turn, the compressed air now in air accumulator 2 by Cemented filling in the winding-up assembly 15 of every layer; The manual branch road by-pass valve control 14 of manual master control valve the 8, first manual branch road by-pass valve control 11, second is all in normally open; The winding-up mouth of every layer of winding-up assembly is 95 ~ 105mm to the distance of catalyst layer on the SCR reactor of below; Cooling driers 4, pressure sensor 9, heater 6 all have the pid control module of PID automatic control system to control, and after pid control module blows gray signal to the transmission of active pulse formula compressed air soot-blowing device, impulse electromagnetic valve 13 is opened, winding-up component operation.
Claims (4)
1. an active pulse formula compressed air soot-blowing device, comprises air compressor machine, air accumulator, it is characterized in that, described air compressor machine gas outlet and air accumulator air inlet, by communicating pipe UNICOM, communicating pipe are provided with cooling driers, filter, heater from left to right successively, the gas outlet of described air accumulator outer wall upper end is linked with the house steward that supplies gas of upwards bending, supply gas house steward horizontal segment on manual master control valve is installed from left to right successively, pressure sensor, longitudinal section is linked with some intervals and the arm of supplying gas of horizontal distribution, every root is supplied gas on arm and is provided with the first manual branch road by-pass valve control from left to right successively, regulated air bag, electromagnetic impulse valve, second manual branch road by-pass valve control, arm of supplying gas on the right side of described second manual branch road by-pass valve control vertically runs through and is linked with many intervals and the winding-up assembly of parallel distribution.
2. active pulse formula compressed air soot-blowing device according to claim 1, it is characterized in that, described winding-up assembly comprises the winding-up supervisor of vertically running through arm of supplying gas, on the upper outer wall of winding-up supervisor, interval is linked with multiple in splay winding-up arm, the winding-up mouth of winding-up arm is downward, on winding-up mouth to below SCR reactor, the distance of catalyst layer is 95 ~ 105mm, and described winding-up mouth comprises the oviduct that winding-up arm end connects, oviduct small end rectangular tube.
3. active pulse formula compressed air soot-blowing device according to claim 1, is characterized in that, described cooling driers, pressure sensor, heater all have the pid control module of PID automatic control system to control.
4. a using method for active pulse formula compressed air soot-blowing device according to claim 1, is characterized in that, comprise the steps,
Steps A, the outside all pipelines of SCR reactor and air accumulator rock wool and galvanized iron sheet do isothermal holding;
Step B, produces compressed air by air compressor machine, and the compressed air pressure that air compressor machine provides must not lower than 0.6Pa;
Step C, the compressed air that air compressor machine produces removes moisture by Cemented filling to cooling driers, then through filter, is finally delivered to pipeline heater and is heated to 145 ~ 155 DEG C;
Step D, is heated to the compressed air road after 145 ~ 155 DEG C and is temporarily stored in air accumulator;
Step e, SCR reactor has multilayer, every layer corresponding with an assembly of jetting, electromagnetic impulse valve in active pulse formula compressed air soot-blowing device is all in normally off, one deck electromagnetic impulse valve is opened every 2 ~ 4min, every layer of impulse electromagnetic valve is opened in turn, the compressed air now in air accumulator by Cemented filling in the winding-up assembly of every layer; Manual master control valve, the first manual branch road by-pass valve control, the second manual branch road by-pass valve control are all in normally open; The winding-up mouth of every layer of winding-up assembly is 95 ~ 105mm to the distance of catalyst layer on the SCR reactor of below; Cooling driers, pressure sensor, heater all have the pid control module of PID automatic control system to control, and after pid control module blows gray signal to the transmission of active pulse formula compressed air soot-blowing device, impulse electromagnetic valve is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030408.4A CN105478009A (en) | 2015-12-31 | 2015-12-31 | Movable impulse type compressed air soot blower and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511030408.4A CN105478009A (en) | 2015-12-31 | 2015-12-31 | Movable impulse type compressed air soot blower and using method thereof |
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| CN105478009A true CN105478009A (en) | 2016-04-13 |
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| CN201511030408.4A Pending CN105478009A (en) | 2015-12-31 | 2015-12-31 | Movable impulse type compressed air soot blower and using method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833726A (en) * | 2016-05-03 | 2016-08-10 | 艾尼科环保技术(安徽)有限公司 | SCR catalyst blockage removing device |
| CN107185908A (en) * | 2017-05-10 | 2017-09-22 | 哈尔滨工程大学 | A kind of soot blower and ash-blowing method in denitrating system rectangle reaction unit peculiar to vessel |
| CN107876509A (en) * | 2017-12-28 | 2018-04-06 | 海南中航特玻科技有限公司 | A kind of SCR denitration real-time blow device online |
| CN108176211A (en) * | 2018-02-11 | 2018-06-19 | 苏州海森伯格环保科技有限公司 | A kind of novel coal power-plant flue gas comprehensive utilization device |
| CN109046023A (en) * | 2018-07-12 | 2018-12-21 | 哈尔滨工程大学 | A kind of SCR reactor soot blower system and method |
| CN109625980A (en) * | 2018-12-29 | 2019-04-16 | 西安西热节能技术有限公司 | A kind of pneumatic ash removal system and the defeated time-optimized method of ash |
| CN110201580A (en) * | 2019-06-27 | 2019-09-06 | 佛山市南海东方澳龙制药有限公司 | The mixed preparing device and method of paste |
| CN110594767A (en) * | 2019-09-30 | 2019-12-20 | 中节能工业节能有限公司华坪分公司 | Gas energy sonic boom shock wave soot blower |
| CN111375567A (en) * | 2020-04-13 | 2020-07-07 | 天水禾丰农业综合开发有限公司 | Pepper color sorting and sundry removing equipment |
| CN111502963A (en) * | 2020-04-01 | 2020-08-07 | 北方魏家峁煤电有限责任公司 | Grading utilization system and method for compressed air of thermal power plant |
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| CN2371455Y (en) * | 1999-03-31 | 2000-03-29 | 中国科学院广州能源研究所 | Air impulse soot blower |
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| CN105169940A (en) * | 2015-09-14 | 2015-12-23 | 合肥水泥研究设计院 | Ash blowing system for SCR (Selective Catalytic Reduction) denitration reactor of cement kiln |
| CN205308138U (en) * | 2015-12-31 | 2016-06-15 | 合肥水泥研究设计院 | Activity pulsed compressed air soot blower |
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Patent Citations (7)
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| CN2371455Y (en) * | 1999-03-31 | 2000-03-29 | 中国科学院广州能源研究所 | Air impulse soot blower |
| CN202620918U (en) * | 2012-04-05 | 2012-12-26 | 营口中润环境科技有限公司 | Powerful spraying pipe |
| CN202909571U (en) * | 2012-11-28 | 2013-05-01 | 山东海汇环保设备有限公司 | Jetting flow guiding pipe |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833726A (en) * | 2016-05-03 | 2016-08-10 | 艾尼科环保技术(安徽)有限公司 | SCR catalyst blockage removing device |
| CN107185908A (en) * | 2017-05-10 | 2017-09-22 | 哈尔滨工程大学 | A kind of soot blower and ash-blowing method in denitrating system rectangle reaction unit peculiar to vessel |
| CN107876509A (en) * | 2017-12-28 | 2018-04-06 | 海南中航特玻科技有限公司 | A kind of SCR denitration real-time blow device online |
| CN108176211A (en) * | 2018-02-11 | 2018-06-19 | 苏州海森伯格环保科技有限公司 | A kind of novel coal power-plant flue gas comprehensive utilization device |
| CN108176211B (en) * | 2018-02-11 | 2018-11-13 | 浙江天马热电有限公司 | A kind of coal-fired plant flue gas comprehensive utilization device |
| CN109046023B (en) * | 2018-07-12 | 2020-12-22 | 哈尔滨工程大学 | SCR reactor soot blowing system and method |
| CN109046023A (en) * | 2018-07-12 | 2018-12-21 | 哈尔滨工程大学 | A kind of SCR reactor soot blower system and method |
| CN109625980A (en) * | 2018-12-29 | 2019-04-16 | 西安西热节能技术有限公司 | A kind of pneumatic ash removal system and the defeated time-optimized method of ash |
| CN109625980B (en) * | 2018-12-29 | 2023-03-14 | 西安西热节能技术有限公司 | Pneumatic ash removal system and ash conveying time optimization method |
| CN110201580A (en) * | 2019-06-27 | 2019-09-06 | 佛山市南海东方澳龙制药有限公司 | The mixed preparing device and method of paste |
| CN110594767A (en) * | 2019-09-30 | 2019-12-20 | 中节能工业节能有限公司华坪分公司 | Gas energy sonic boom shock wave soot blower |
| CN111502963A (en) * | 2020-04-01 | 2020-08-07 | 北方魏家峁煤电有限责任公司 | Grading utilization system and method for compressed air of thermal power plant |
| CN111375567A (en) * | 2020-04-13 | 2020-07-07 | 天水禾丰农业综合开发有限公司 | Pepper color sorting and sundry removing equipment |
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Application publication date: 20160413 |