CN203099858U - Split type boiler on-line impact dust removing device - Google Patents
Split type boiler on-line impact dust removing device Download PDFInfo
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- CN203099858U CN203099858U CN 201220723436 CN201220723436U CN203099858U CN 203099858 U CN203099858 U CN 203099858U CN 201220723436 CN201220723436 CN 201220723436 CN 201220723436 U CN201220723436 U CN 201220723436U CN 203099858 U CN203099858 U CN 203099858U
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- shock wave
- wave generator
- impact wave
- boiler
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Abstract
The utility model belongs to the field of dust removing devices, and particularly relates to a boiler on-line dust removing device. The split type boiler on-line impact dust removing device comprises an impact wave generator and an impact wave jet device which are arranged in separate positions. An air inlet pipe of the impact wave generator is communicated with a compressed air storage tank. An impact wave nozzle of the impact wave generator is communicated with the impact wave jet device through a corrugated pipe. A control valve is arranged on the impact wave generator. A control end of the control valve is connected with a program controller. According to the boiler on-line dust removing device, the impact wave generator and the impact wave jet device are arranged in the separate positions, the impact wave generator can be arranged on a position far away from a boiler and generate impact wave combustible gas, tempering explosion is avoided, safety is improved, and placing is convenient. Impact waves, strong sound energy, high-speed air current kinetic energy are used to the maximum extent to have comprehensive effect on accumulated dust, the stable state of the accumulated dust is broken, the purpose of cleaning a heating surface is achieved, and different kinds of dust or coking on the heating surface can be effectively removed.
Description
Technical field
The utility model belongs to field of dust, particularly relates 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 as fuel, atomizing, the air distribution imbalance can cause boiler " over-emitting black exhaust " to aggravate the boiler cigarette 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 working method continuously, the energy consumption of equipment itself is very big.
Acoustic wave soot blower is meant the effect that utilizes the sound field energy, removes the method for boiler heat-exchanger superficial dust and coking, and the maximum at present acoustic energy of this kind dust remover 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 (the also useful fuel-oil atmozation of acetylene, natural gas, oil gas) with air with certain proportion in the gaseous mixture in-tank mixing, after lighting a fire, 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 in the utility model provides the online impact deashing device of a kind of divided boiler, and shock wave generator and the shock wave injection apparatus security performance that improved placed apart has made things convenient for and put.
The online impact deashing device of a kind of divided boiler, shock wave generator and shock wave injection apparatus two parts of being placed by the office constitute, 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 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 °.
The spout and the horizontal line of the online impact deashing device of the utility model divided boiler are the wide-angle setting, and injection direction is adjacent to the furnace wall, and boundary wave can reflect on the furnace wall and vibration occur, 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 the online impact deashing device of a utility model divided boiler structural representation.
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 utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, the online impact deashing device of a kind of divided boiler, shock wave generator 2 and shock wave injection apparatus 5 two parts of being placed by the office constitute, 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 in the present embodiment control valve 3 is single control magnetic valve; Perforate on furnace wall 6 during installation, the shower nozzle 51 with shock wave injection apparatus 5 inserts in the hole with back, lining 7 location by fixing the getting final product of flange 8 welding then.
In the utility model, in order to increase effective deashing sphere of action of deashing device, described shock wave injection apparatus 5 is selected pneumatic stepping rotary nozzle for use, 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 for use 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 reflect on furnace wall 6 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. online impact deashing device of divided boiler, shock wave generator (2) and shock wave injection apparatus (5) two parts of being placed by the office constitute, 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. the online impact deashing device of divided boiler as claimed in claim 1 is characterized in that: described control valve (3) is single control magnetic valve.
3. the online impact deashing device of divided boiler as claimed in claim 1 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. the online impact deashing device of divided boiler as claimed in claim 3 is characterized in that: described pneumatic stepping rotary nozzle single step stepping angle is 45 °.
5. as the online impact deashing device of 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 |
|---|---|---|---|
| CN 201220723436 CN203099858U (en) | 2012-12-13 | 2012-12-13 | Split type boiler on-line impact dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723436 CN203099858U (en) | 2012-12-13 | 2012-12-13 | Split type boiler on-line impact dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203099858U true CN203099858U (en) | 2013-07-31 |
Family
ID=48851256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220723436 Expired - Fee Related CN203099858U (en) | 2012-12-13 | 2012-12-13 | Split type boiler on-line impact dust removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203099858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062780A (en) * | 2012-12-13 | 2013-04-24 | 慈溪市隆诚贸易有限公司 | Split on-line impacting deashing device of boiler |
-
2012
- 2012-12-13 CN CN 201220723436 patent/CN203099858U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062780A (en) * | 2012-12-13 | 2013-04-24 | 慈溪市隆诚贸易有限公司 | Split on-line impacting deashing device of boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20131213 |