CN103104926B - A kind of compound soot blower system in low-temperature flue gas waste heat recovery system - Google Patents

A kind of compound soot blower system in low-temperature flue gas waste heat recovery system Download PDF

Info

Publication number
CN103104926B
CN103104926B CN201310067715.4A CN201310067715A CN103104926B CN 103104926 B CN103104926 B CN 103104926B CN 201310067715 A CN201310067715 A CN 201310067715A CN 103104926 B CN103104926 B CN 103104926B
Authority
CN
China
Prior art keywords
heat recovery
flue gas
waste heat
gas waste
sound wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310067715.4A
Other languages
Chinese (zh)
Other versions
CN103104926A (en
Inventor
邓徐帧
郭军
刘畅
张修平
崔景杰
张汝松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Huate Environmental Protection Technology Co ltd
Original Assignee
SHANDONG SHANDA WIT ENVIRONMENT ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANDONG SHANDA WIT ENVIRONMENT ENGINEERING Co Ltd filed Critical SHANDONG SHANDA WIT ENVIRONMENT ENGINEERING Co Ltd
Priority to CN201310067715.4A priority Critical patent/CN103104926B/en
Publication of CN103104926A publication Critical patent/CN103104926A/en
Application granted granted Critical
Publication of CN103104926B publication Critical patent/CN103104926B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Incineration Of Waste (AREA)
  • Cleaning In General (AREA)

Abstract

The present invention relates to a kind of compound soot blower system in low-temperature flue gas waste heat recovery system, comprise flue gas waste heat recovery apparatus, be provided with sound wave soot blowing system in the porch of flue gas waste heat recovery apparatus, be provided with mechanical rapping cleaning dust system in the exit of flue gas waste heat recovery apparatus.Both cooperatively interact, and have both played acoustic wave ash ejector and have blown ash comprehensively advantage, embody again the power consumption of mechanical rapping cleaning dust device few, remove the strong advantage of closely knit dust stratification ability.Under the effect of this compound soot blower system, the dust stratification of heated surface bundle obtains effective removing, and the coefficient of heat transfer greatly improves, and effectively raises the efficiency of waste-heat recovery device.

Description

A kind of compound soot blower system in low-temperature flue gas waste heat recovery system
Technical field
The present invention relates to a kind of compound soot blower system in low-temperature flue gas waste heat recovery system, in particular to the compound soot blower system that high-strength acoustic wave ash ejector combines with mechanical vibrator, low-temperature flue gas waste heat can be solved and reclaim the serious problem of heat exchanger dust stratification, and low-temperature flue gas restored acid dew point corrosion problem can be solved, belong to field of energy-saving technology
Background technology
Current, flue gas loss is the main factor of all kinds of boiler, kiln heat loss, and along with the raising of awareness of saving energy and rising steadily of energy prices, making full use of fume afterheat becomes the important channel of improving the boiler controller system thermal efficiency, realizing Waste Heat Reuse.But in prior art, common waste-heat recovery device exists that dust stratification is serious, cold end corrosion problem usually, particularly when waste-heat recovery device is arranged on after deduster or when dust content in flue gas is many, wall obtains dust stratification amount very large, when depending merely on a certain soot-blowing mode ash disposal, effect is very not obvious.Too much dust stratification not only causes air-introduced machine load to increase the weight of, and heat exchanger heat exchange efficiency is declined, have impact on the recovery of waste heat, but also cause serious cold end corrosion, and time serious, affect the normal operation of steam generator system, energy-saving effect reduces greatly.
Summary of the invention
For above-mentioned residual neat recovering system Problems existing, the object of the invention is to overcome the deficiency that existing low-temperature flue gas waste heat reclaims heat exchanger, provide a kind of compound soot blower system in low-temperature flue gas waste heat recovery system, be have that sonic soot blowing combines with mechanical ashing meet soot blower system, can be used for the ash disposal of flue gas waste heat recovery apparatus under low temperature height dirt environment.
The present invention is achieved by the following technical solutions:
A compound soot blower system in low-temperature flue gas waste heat recovery system, comprises flue gas waste heat recovery apparatus, is provided with sound wave soot blowing system in the porch of flue gas waste heat recovery apparatus, is provided with mechanical rapping cleaning dust system in the exit of flue gas waste heat recovery apparatus.
Described sound wave soot blowing system comprises compressed air preparation system, compressed air preparation system by set gradually compressed air strainer valve, stop valve, pneumatic control valve pipeline be connected with sound wave generating device, sound wave generating device connects sound wave amplifying device.
Described ripple amplifying device is arranged on the flue internal protecting wall of flue gas waste heat recovery apparatus.Acoustic wave ash ejector switch board is provided with between described pneumatic control valve and sound wave generating device.The automatic control to sonic generator can be realized.
Described mechanical rapping cleaning dust system comprises variable-frequency motor, variable-frequency motor is connected with rotating shaft by decelerator, transmission mechanism, rotating shaft is provided with multiple beater, the direction that beater waves is provided with can the drive link of rapping, drive link is connected with vibration connecting plate by inner vibrating rod, vibrates connecting plate and in succession the panel-pipe of heating surface of flue gas waste heat recovery apparatus.
Be provided with vibration dust-cleaning motor bearing seat bottom described variable-frequency motor, below rotating shaft, be provided with rotating shaft support framework.
Described sound wave soot blowing system welds or Flange joint with flue gas waste heat recovery apparatus shell.
Acoustic wave ash ejector switch board is to realize the operation of compressed air preparation facilities and sonic generator and to stop controlling.
In described sound wave soot blowing system, the junction of compressed air preparation system and pipeline is provided with check-valves and strainer valve, pipeline moves valve with sonic generator junction by electricity (gas), and the dynamic valve of electricity (gas) is connected the automatic control that can realize sound wave generating device with acoustic wave ash ejector switch board.
In described sound wave soot blowing system, pipe-line system can connect several branch road, the quantity of branch road calculates according to the concrete condition of blowing ash to be determined, each branch road and pipe-line system junction are provided with stop valve.
Beater is arranged in rotating shaft by certain angle, ensures beater rapping drive link according to a certain order, and then to reach be panel-pipe of heating surface vibration, removes the object of dust stratification.
In described mechanical rapping cleaning dust system, control system can adjust the frequency of variable-frequency motor as the case may be, be the vibration frequency of heating surface remain on 1 ~ 6 beat/min in scope.
High-strength sound wave soot blowing system and mechanical rapping cleaning dust system are as two parts of low-temperature flue gas waste heat retracting device system, both separate, have respective control system, installation site; Mutually supplement again, mechanical vibrator can be removed the dust stratification that sonic soot blowing is difficult to closely knit dust stratification and the heat exchanger tube lee face removed.Both cooperatively interact, and have both played acoustic wave ash ejector and have blown ash comprehensively advantage, embody again the power consumption of mechanical rapping cleaning dust device few, remove the strong advantage of closely knit dust stratification ability.Under the effect of this compound soot blower system, the dust stratification of heated surface bundle obtains effective removing, and the coefficient of heat transfer greatly improves, and effectively raises the efficiency of waste-heat recovery device.
Accompanying drawing explanation
Fig. 1 is compound soot blower system scheme of installation of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the system schematic of sound wave soot blowing system.
Fig. 4 is mechanical rapping cleaning dust system schematic;
Fig. 5 is A-A direction view in Fig. 4;
Wherein, 1, sound wave soot blowing system; 2, flue gas waste heat recovery apparatus; 3, mechanical rapping cleaning dust system; 4, compressed air preparation system; 5, compressed air strainer valve; 6, stop valve; 7, pneumatic (electronic) control valve; 8, sound wave generating device; 9, sound wave amplifying device; 10, furnace wall; 11, acoustic wave ash ejector switch board; 12, vibration dust-cleaning motor bearing seat; 13, variable-frequency motor; 14, decelerator; 15, transmission mechanism; 16, rotating shaft support framework; 17, rotating shaft; 18, beater; 19, drive link; 20, sealing device; 21, inner vibrating rod; 22, connecting plate is vibrated.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of compound soot blower system in low-temperature flue gas waste heat recovery system, comprise flue gas waste heat recovery apparatus 2, be provided with sound wave soot blowing system 1 in the porch of flue gas waste heat recovery apparatus 2, be provided with mechanical rapping cleaning dust system 3 in the exit of flue gas waste heat recovery apparatus 2.
Sound wave soot blowing system adopts interval to blow ash, has intensity high, the feature of broad covered area, the flue dust of waste-heat recovery device inlet tube row and the sound wave area of coverage can be blown down; Mechanical rapping cleaning dust system layout, in waste-heat recovery device exit, gives the mechanical oscillation of panel-pipe of heating surface by rapping apparatus, reach the deashing object removing the region that heating surface tube end exhausting part dust stratification and acoustic wave ash ejector can not cover.
Sound wave soot blowing system 1 comprises compressed air preparation system 4, compressed air preparation system 4 by set gradually compressed air strainer valve 5, stop valve 6, pneumatic control valve 7 pipeline be connected with sound wave generating device 8, sound wave generating device 8 connects sound wave amplifying device 9.Sound wave amplifying device 9 is arranged on the flue internal protecting wall 10 of flue gas waste heat recovery apparatus 2.Acoustic wave ash ejector switch board 11 is provided with between described pneumatic control valve 7 and sound wave generating device 8.The automatic control to sound wave generating device 8 can be realized.
The compressed air come by compressed air preparation system during operation arrives sound wave generating device by compressed air strainer valve, stop valve, pneumatic control valve, be high strength sound wave by sound wave generating device by the power conversion entrained by compressed air, high strong sound wave is after sound wave amplifying device amplifies, be released in the flue before waste-heat recovery device, grey particle and air molecule is made to produce vibration by the active force of sound wave, destroy and stop grey particle to combine at heat exchange surface, make it to be in suspension fluidization state, so that flue gas or gravity are taken away, complete and blow grey process.The ash-removal effect of the cycle of operation machine vision ash removal equipment for flapping of sound wave soot blowing system is determined.
Described mechanical rapping cleaning dust system comprises variable-frequency motor 13, variable-frequency motor 13 is connected with rotating shaft 17 by decelerator 14, transmission mechanism 15, rotating shaft 17 is provided with multiple beater 18, the direction that beater 18 waves is provided with can the drive link 19 of rapping, drive link 19 is connected with vibration connecting plate 22 by inner vibrating rod 21, and vibration connecting plate 22 is ined succession the panel-pipe of heating surface of flue gas waste heat recovery apparatus 2.
During operation, variable-frequency motor drives axis of rotation, makes beater rapping drive link successively, and the vibration passing of beater is given inner vibrating rod by drive link, and inner vibrating rod makes panel-pipe of heating surface vibrate by vibration connecting plate, reaches the object of ash disposal.Rotating shaft average minute clock rotates 1 ~ 6 circle, makes heating surface rapping per minute just can obtain good dedusting effect 1 ~ 6 time.
Described acoustic wave ash ejector switch board by the control to gas (electricity) brake control valve, and by control signal teletransmission to DCS system, can realize the Long-distance Control to sound wave soot blowing system.The simultaneously control of vibration dust-cleaning system variable-frequency motor also can be located in sound wave controlled cabinet and to realize teletransmission, reaches the collaborative of whole system.

Claims (4)

1. the compound soot blower system in low-temperature flue gas waste heat recovery system, comprise flue gas waste heat recovery apparatus, it is characterized in that, be provided with sound wave soot blowing system in the porch of flue gas waste heat recovery apparatus, be provided with mechanical rapping cleaning dust system in the exit of flue gas waste heat recovery apparatus; Described sound wave soot blowing system comprises compressed air preparation system, compressed air preparation system by set gradually compressed air strainer valve, stop valve, pneumatic control valve pipeline be connected with sound wave generating device, sound wave generating device connects sound wave amplifying device; Described mechanical rapping cleaning dust system comprises variable-frequency motor, variable-frequency motor is connected with rotating shaft by decelerator, transmission mechanism, rotating shaft is provided with multiple beater, the direction that beater waves is provided with can the drive link of rapping, drive link is connected with vibration connecting plate by inner vibrating rod, vibrates connecting plate and in succession the panel-pipe of heating surface of flue gas waste heat recovery apparatus.
2. a kind of compound soot blower system in low-temperature flue gas waste heat recovery system according to claim 1, it is characterized in that, described ripple amplifying device is arranged on the flue internal protecting wall of flue gas waste heat recovery apparatus.
3. a kind of compound soot blower system in low-temperature flue gas waste heat recovery system according to claim 1, is characterized in that, be provided with acoustic wave ash ejector switch board between described pneumatic control valve and sound wave generating device.
4. a kind of compound soot blower system in low-temperature flue gas waste heat recovery system according to claim 1, is characterized in that, be provided with vibration dust-cleaning motor bearing seat, be provided with rotating shaft support framework below rotating shaft bottom described variable-frequency motor.
CN201310067715.4A 2013-03-04 2013-03-04 A kind of compound soot blower system in low-temperature flue gas waste heat recovery system Active CN103104926B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310067715.4A CN103104926B (en) 2013-03-04 2013-03-04 A kind of compound soot blower system in low-temperature flue gas waste heat recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310067715.4A CN103104926B (en) 2013-03-04 2013-03-04 A kind of compound soot blower system in low-temperature flue gas waste heat recovery system

Publications (2)

Publication Number Publication Date
CN103104926A CN103104926A (en) 2013-05-15
CN103104926B true CN103104926B (en) 2015-11-18

Family

ID=48312993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310067715.4A Active CN103104926B (en) 2013-03-04 2013-03-04 A kind of compound soot blower system in low-temperature flue gas waste heat recovery system

Country Status (1)

Country Link
CN (1) CN103104926B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104089291B (en) * 2014-07-25 2016-10-05 邓雪明 A kind of gas-liquid mixed soot blower
CN105987392A (en) * 2015-03-04 2016-10-05 蒋振发 Intelligent energy-saving sound wave ash blowing device
CN105864807A (en) * 2016-04-27 2016-08-17 无锡锡能锅炉有限公司 Ash removal device for boiler
CN107120668A (en) * 2017-05-03 2017-09-01 北京垣鸿锐科技有限公司 Diaphragm and gas energy double control soot blower for boiler flue
CN108302958A (en) * 2017-12-29 2018-07-20 佛山市天顺科技有限公司 A kind of flue gas waste heat recovery apparatus
CN108152080A (en) * 2018-01-04 2018-06-12 华能国际电力股份有限公司上海石洞口第电厂 A kind of automatic anti-block device for wind and smoke road measuring apparatus instrument probe tube
CN113701178B (en) * 2021-07-23 2024-02-23 湖州南太湖环保能源有限公司 Steam soot blowing system of boiler flue

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2205491Y (en) * 1994-07-19 1995-08-16 阎贵富 Low freqency sound wave generater
TW472127B (en) * 2000-01-14 2002-01-11 Babcock Hitachi Kk Acoustic soot blower, and method of operating the same
CN201147721Y (en) * 2007-08-29 2008-11-12 于力 Multi-sound wave combined dust removing electric dust collector
CN201547797U (en) * 2009-11-02 2010-08-11 衡阳长宏锅炉有限公司 Device removing dust of boiler convection tube banks by rapping
CN201688416U (en) * 2009-12-31 2010-12-29 北京中科通用能源环保有限责任公司 Ash cleaning system for heated surface at the tail of garbage incinerator
CN102200288A (en) * 2011-04-11 2011-09-28 广西志远节能环保设备有限公司 Gas waste heat recovery device for coal-fired boiler
CN101776415B (en) * 2010-01-15 2012-01-18 清华大学 Combination deashing wear-resisting device of boiler
CN102913925A (en) * 2012-10-30 2013-02-06 陕西启源科技发展有限责任公司 Sound wave soot blower
CN203131845U (en) * 2013-03-04 2013-08-14 山东山大华特环保工程有限公司 Compound soot blower system for low-temperature flue gas waste heat recovery system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2205491Y (en) * 1994-07-19 1995-08-16 阎贵富 Low freqency sound wave generater
TW472127B (en) * 2000-01-14 2002-01-11 Babcock Hitachi Kk Acoustic soot blower, and method of operating the same
CN201147721Y (en) * 2007-08-29 2008-11-12 于力 Multi-sound wave combined dust removing electric dust collector
CN201547797U (en) * 2009-11-02 2010-08-11 衡阳长宏锅炉有限公司 Device removing dust of boiler convection tube banks by rapping
CN201688416U (en) * 2009-12-31 2010-12-29 北京中科通用能源环保有限责任公司 Ash cleaning system for heated surface at the tail of garbage incinerator
CN101776415B (en) * 2010-01-15 2012-01-18 清华大学 Combination deashing wear-resisting device of boiler
CN102200288A (en) * 2011-04-11 2011-09-28 广西志远节能环保设备有限公司 Gas waste heat recovery device for coal-fired boiler
CN102913925A (en) * 2012-10-30 2013-02-06 陕西启源科技发展有限责任公司 Sound wave soot blower
CN203131845U (en) * 2013-03-04 2013-08-14 山东山大华特环保工程有限公司 Compound soot blower system for low-temperature flue gas waste heat recovery system

Also Published As

Publication number Publication date
CN103104926A (en) 2013-05-15

Similar Documents

Publication Publication Date Title
CN103104926B (en) A kind of compound soot blower system in low-temperature flue gas waste heat recovery system
CN201603719U (en) Efficient rapping soot-cleaning device
CN202254893U (en) Flue gas radiation-type waste heat boiler recovery system for electric arc furnace
CN204768066U (en) Biomass boiler environmental protection dust collector
CN203131845U (en) Compound soot blower system for low-temperature flue gas waste heat recovery system
CN201764516U (en) High sound intensity sound-wave expeller
CN207035162U (en) A kind of power plant boiler slag removal cleaner
CN207298911U (en) A kind of boiler waste material environmental protection retracting device
CN206056116U (en) A kind of Vibratingfluidbeddrier
CN103939925B (en) In The Sub-mergedfurnace of The Ferroalloys ash cleaner for exhaust-heating boiler
CN102322746A (en) Electric arc furnace smoke radiation type waste heat boiler recovery system
CN105570913B (en) One kind circulation sand soot blower
CN101852439A (en) Float glass exhaust-heat boiler dust removal method and dust remover
CN206305077U (en) A kind of deashing device
CN202297467U (en) Self-dust removal type dry quenching preheater
CN211836808U (en) High-efficient sack dust collector
CN203757745U (en) Waste heat boiler ash removal device for iron alloy submerged arc furnace
CN214840897U (en) Telescopic hearth sound wave soot blower
CN201412857Y (en) Cold ash hopper-type ash remover of water-coal-slurry boiler
CN201517776U (en) Omnibearing ash remover
CN105509077B (en) A kind of automatic control audio frequency sound ash handling equipment
CN103047899A (en) Surface ash clearing device of pipe heat exchanger
CN208139303U (en) A kind of power plant boiler soot blowing spraying device
CN201697144U (en) Floating-method glass waste heat boiler ash-cleaning device
CN204154087U (en) A kind of oven dry hot-air supplying equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 250101 Huate building, Shanda Science Park, Yingxiu Road, high tech Zone, Jinan City, Shandong Province

Patentee after: Shandong Shanda Huate Environmental Protection Technology Co.,Ltd.

Address before: 250101 Huate building, Shanda Science Park, Yingxiu Road, high tech Zone, Jinan City, Shandong Province

Patentee before: SHANDONG SHANDA WIT ENVIRONMENTAL ENGINEERING Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 250101 Huate building, Shanda Science Park, Yingxiu Road, high tech Zone, Jinan City, Shandong Province

Patentee after: Shandong Huate Environmental Protection Technology Co.,Ltd.

Address before: 250101 Huate building, Shanda Science Park, Yingxiu Road, high tech Zone, Jinan City, Shandong Province

Patentee before: Shandong Shanda Huate Environmental Protection Technology Co.,Ltd.

CP01 Change in the name or title of a patent holder