CN103062780A - Split on-line impacting deashing device of boiler - Google Patents
Split on-line impacting deashing device of boiler Download PDFInfo
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- CN103062780A CN103062780A CN2012105717952A CN201210571795A CN103062780A CN 103062780 A CN103062780 A CN 103062780A CN 2012105717952 A CN2012105717952 A CN 2012105717952A CN 201210571795 A CN201210571795 A CN 201210571795A CN 103062780 A CN103062780 A CN 103062780A
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- deashing
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Abstract
The invention belongs to the field of deashing devices, and particularly relates to an on-line deashing device of a boiler. The split on-line impacting deashing device of the boiler comprises a shock wave generator and a shock wave ejecting device which are separately arranged, an air inlet pipe of the shock wave generator is communicated with a compressed air storage tank, a shock wave nozzle of the shock wave generator is communicated with the shock wave ejecting device through bellows, a control valve is installed on the shock wave generator, and the control end of the control valve is connected with a program controller. The shock wave generator and the shock wave ejecting device are separately arranged, and the shock wave generator can be arranged away from a boiler to generate shock wave to enable combustible gas to generate tempering explosion, so that safety is improved, and placing is facilitated. The split on-line impacting deashing device utilizes shock wave, strong acoustic energy and high-speed stream kinetic energy to the maximum extent to comprehensively act on accumulated ash, the steady state of the accumulated ash is damaged, the aim of cleaning a heating surface can be achieved, and accumulated ash or coking of various types on the heating surface can be effectively eliminated.
Description
Technical field
The invention belongs to field of dust, particularly relate to a kind of boiler online ash removal device.
Background technology
Convection section finned tube dust stratification can directly cause exhaust gas temperature to raise in the boiler, 10～15 ℃ of the warm every risings of discharging fume, boiler thermal output descends 1%, behind the each thoroughly deashing of boiler, general exhaust gas temperature can drop to below 200 ℃, in boiler operatiopn such as fuel, atomizing, the air distribution imbalance can cause boiler " over-emitting black exhaust " to aggravate the boiler smoke temperature rate of climb, boiler convection section deashing generally manually carries out under blowing out cold conditions state, after opening stove, the cigarette temperature rises day by day and can't the on-line implement deashing, can cause waste of fuel, oily vapour unit consumption rises, so need a kind of device that can online ash removal.
Present online ash removal device is divided into three kinds, steam dust remover, acoustic wave soot blower and gas shock-wave dust remover.
Steam dust remover operation principle is to utilize steam, superheated steam with certain pressure to be blowing medium, the tubulose of the long number rice of, rotation scalable by purges rifle and puts in the middle of the convection section finned tube, directly purges dust stratification on the heating surface with steam or superheated steam.The major defect of this kind pattern dust remover is that Mechanical Reliability is poor, deashing just has a large amount of mechanical parts wearing and tearing after often experiencing a period of time operation, damages, failure mode is generally stuck, bite, the result is not that dust remover can not cause boiler thermal output to descend by bringing normally into operation, be exactly because purge with the high steam long-time continuous, high steam carries dust erosive wear heating surface tube wall, cause the boiler pipe explosion accident, and because this type dust remover is to utilize high steam to purge continuously working method, the energy consumption of equipment itself is very large.
Acoustic wave soot blower refers to utilize the effect of sound field energy, removes the method for boiler heat-exchanger superficial dust and coking, and this kind dust remover at present acoustic energy of maximum only can reach 150 decibels, and the energy intensity deficiency is very limited to the scavenging action of dust stratification.
The gas shock-wave dust remover mainly be with fuel gas (acetylene, natural gas, oil gas is useful fuel-oil atmozation also) with air with certain proportion in the gaseous mixture in-tank mixing, after igniting, produce detonation, impact the mouth of pipe at front end and produce shock wave, utilize shock wave that heating surface is purged.This dust remover because of working media be fuel gas, and the interior cigarette Wen Wendu of each section flue is very high in the boiler, fuel gas enters burner hearth without igniting or flue can cause tempering detonation or cause the bursting of boilers, so can only be used for low-temperature zone, range of application has significant limitation.
Summary of the invention
Technical problem to be solved by this invention provides a kind of divided boiler and impacts online deashing device, and the separated security performance that improved of shock wave generator and shock wave injection apparatus has made things convenient for and put.
A kind of divided boiler impacts deashing device online, shock wave generator and shock wave injection apparatus two parts of being placed by the office consist of, the air inlet pipe of described shock wave generator is communicated with compressed air reservoir, the shock wave spout of shock wave generator is communicated with the shock wave injection apparatus by bellows, control valve is housed on the shock wave generator, and the control end of control valve is connected with cyclelog.
Described control valve is the single control magnetic valve.
Described shock wave injection apparatus is pneumatic stepping rotary nozzle, and the control mouth of described pneumatic stepping rotary nozzle is communicated with shock wave generator by wireway.
Described pneumatic stepping rotary nozzle single step stepping angle is 45 °
The axis of the spout of described shock wave generator and horizontal angle are 65 °～75 °.
Spout and horizontal line that divided boiler of the present invention impacts deashing device online are the wide-angle setting, and injection direction is adjacent to the furnace wall, and boundary wave can vibration occur in the furnace wall reflection, strengthens ash-removal effect; Shock wave generator and shock wave injection apparatus split two places, and shock wave generator can be arranged on the fuel gas generation back draft of the place generation shock wave of Keep away from boiler, has also made things convenient for when improving security and has put; Pneumatic stepping rotary nozzle need not drive motors, for pure air-driven type design, moves very reliable.This device has utilized shock wave, strong acoustic energy, the comprehensive function of high velocity air kinetic energy in dust stratification to greatest extent, destroys the stable state of dust stratification, reaches the purpose of cleaning heating surface, can effectively remove various dissimilar dust stratifications or coking on the heating surface.
Description of drawings
Fig. 1 is that divided boiler of the present invention impacts the deashing device structural representation online.
Among the figure: 1 compressed air reservoir, 2 shock wave generators, 3 control valves, 4 bellowss, 5 shock wave injection apparatus, 51 spouts, 6 furnace walls, 7 linings, 8 flanges.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, a kind of divided boiler impacts deashing device online, shock wave generator 2 and shock wave injection apparatus 5 two parts of being placed by the office consist of, the air inlet pipe of described shock wave generator 2 is communicated with compressed air reservoir 1, the shock wave spout of shock wave generator 2 is communicated with shock wave injection apparatus 5 by bellows 4, control valve 3 is housed on the shock wave generator 2, and the control end of control valve 3 is connected with cyclelog, and described control valve 3 is the single control magnetic valve in the present embodiment; Perforate on furnace wall 6 during installation, then the shower nozzle 51 of shock wave injection apparatus 5 being inserted in the hole gets final product with being welded and fixed by flange 8 behind lining 7 location.
In the present invention, in order to increase effective deashing sphere of action of deashing device, described shock wave injection apparatus 5 is selected pneumatic stepping rotary nozzle, the control mouth of described pneumatic stepping rotary nozzle is communicated with shock wave generator 2 by wireway, spout 51 can rotate around the stepping of shower nozzle axis with shock wave pulse each time, enlarge dust remover and purged spatial dimension, the pneumatic stepping rotary nozzle single step stepping angle of selecting in the present embodiment is 45 °, and 8 subpulses can promote pneumatic stepping rotary nozzle and rotate a circle.
Of particular note, the axis of the spout 51 of described shock wave generator 2 and horizontal angle are 65 °～75 °, the purpose that this kind wide-angle is set is can be in the furnace wall 6 to reflect for the boundary wave that makes the shock wave that spout 51 launches, the effect of the resonance that superposes out, the ability of enhancing deashing.
Claims (5)
1. a divided boiler impacts deashing device online, shock wave generator (2) and shock wave injection apparatus (5) two parts of being placed by the office consist of, it is characterized in that: the air inlet pipe of described shock wave generator (2) is communicated with compressed air reservoir (1), the shock wave spout of shock wave generator (2) is communicated with shock wave injection apparatus (5) by bellows (4), control valve (3) is housed on the shock wave generator (2), and the control end of control valve (3) is connected with cyclelog.
2. divided boiler as claimed in claim 1 impacts deashing device online, it is characterized in that: described control valve (3) is the single control magnetic valve.
3. divided boiler as claimed in claim 1 impacts deashing device online, it is characterized in that: described shock wave injection apparatus (5) is pneumatic stepping rotary nozzle, and the control mouth of described pneumatic stepping rotary nozzle is communicated with shock wave generator (2) by wireway.
4. divided boiler as claimed in claim 3 impacts deashing device online, it is characterized in that: described pneumatic stepping rotary nozzle single step stepping angle is 45 °.
5. impact online deashing device such as the described divided boiler of any claim in the claim 1～4, it is characterized in that: the axis of the spout (51) of described shock wave generator (2) and horizontal angle are 65 °～75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105717952A CN103062780A (en) | 2012-12-13 | 2012-12-13 | Split on-line impacting deashing device of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105717952A CN103062780A (en) | 2012-12-13 | 2012-12-13 | Split on-line impacting deashing device of boiler |
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| Publication Number | Publication Date |
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| CN103062780A true CN103062780A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105717952A Pending CN103062780A (en) | 2012-12-13 | 2012-12-13 | Split on-line impacting deashing device of boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675535A (en) * | 2017-10-18 | 2018-02-09 | 杨光 | A kind of wire strands high-efficient atomizing oiling station |
| CN109668159A (en) * | 2018-12-26 | 2019-04-23 | 北京光华纺织集团有限公司 | A kind of shock-wave ash-clearing rifle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB349430A (en) * | 1929-11-23 | 1931-05-26 | Whittemore Hulbert Whittemore | Improvements in boiler cleaners |
| CN1982780A (en) * | 2005-12-14 | 2007-06-20 | 中国神华能源股份有限公司 | Ash injector fo gas pulsing weak-explosion wave |
| CN201072131Y (en) * | 2007-07-19 | 2008-06-11 | 北京光华启明烽科技有限公司 | Bow-wave ash blowing system |
| CN201697140U (en) * | 2010-06-17 | 2011-01-05 | 长沙贝尔环保节能设备有限公司 | Air shock-wave soot blowing system |
| CN201844407U (en) * | 2010-10-27 | 2011-05-25 | 薛世君 | Device for cleaning inside of generator |
| CN203099858U (en) * | 2012-12-13 | 2013-07-31 | 慈溪市隆诚贸易有限公司 | Split type boiler on-line impact dust removing device |
-
2012
- 2012-12-13 CN CN2012105717952A patent/CN103062780A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB349430A (en) * | 1929-11-23 | 1931-05-26 | Whittemore Hulbert Whittemore | Improvements in boiler cleaners |
| CN1982780A (en) * | 2005-12-14 | 2007-06-20 | 中国神华能源股份有限公司 | Ash injector fo gas pulsing weak-explosion wave |
| CN201072131Y (en) * | 2007-07-19 | 2008-06-11 | 北京光华启明烽科技有限公司 | Bow-wave ash blowing system |
| CN201697140U (en) * | 2010-06-17 | 2011-01-05 | 长沙贝尔环保节能设备有限公司 | Air shock-wave soot blowing system |
| CN201844407U (en) * | 2010-10-27 | 2011-05-25 | 薛世君 | Device for cleaning inside of generator |
| CN203099858U (en) * | 2012-12-13 | 2013-07-31 | 慈溪市隆诚贸易有限公司 | Split type boiler on-line impact dust removing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675535A (en) * | 2017-10-18 | 2018-02-09 | 杨光 | A kind of wire strands high-efficient atomizing oiling station |
| CN109668159A (en) * | 2018-12-26 | 2019-04-23 | 北京光华纺织集团有限公司 | A kind of shock-wave ash-clearing rifle |
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Application publication date: 20130424 |