CN101832570A - Special wet steam generator online dust cleaning device for oil field - Google Patents
Special wet steam generator online dust cleaning device for oil field Download PDFInfo
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- CN101832570A CN101832570A CN 201010166126 CN201010166126A CN101832570A CN 101832570 A CN101832570 A CN 101832570A CN 201010166126 CN201010166126 CN 201010166126 CN 201010166126 A CN201010166126 A CN 201010166126A CN 101832570 A CN101832570 A CN 101832570A
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- oil field
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- wet steam
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Abstract
The invention belongs to the field of dust cleaning devices, and particularly relates to a special wet steam generator dust cleaning device for an oil field. A special wet steam generator online dust cleaning device for the oil field comprises a compressed air storage tank, a shock wave generator, a single-control electromagnetic valve and a shock wave injection device, wherein the air inlet pipe of the shock wave generator is communicated with the compressed air storage tank, the shock wave nozzle of the shock wave generator is communicated with the shock wave injection device through a shock wave pipeline, the single-control electromagnetic valve is installed on the shock wave generator, and the control end of the single-control electromagnetic valve is connected with a program controller. Shock waves, intensive acoustic energy and high-speed airflow kinetic energy generated by the instantaneous spray explosion of superheated steam are furthest utilized by the special wet steam generator online dust cleaning device for the oil field and comprehensively acted on accumulated dust to destroy the stable state of the accumulated dust and achieve the purpose of cleaning a heated surface, and the accumulated dust or coke in different types on the heated surface can be effectively cleaned.
Description
Technical field
The invention belongs to field of dust, particularly relate to a kind of oil field special wet steam generator deashing device.
Background technology
The oil field special wet steam generator is the heavy crude heat extraction key equipment, oil field special wet steam generator convection section finned tube dust stratification directly causes exhaust gas temperature to raise, 10～15 ℃ of the every risings of oil field special wet steam generator cigarette temperature, boiler thermal output descends 1%, behind the each thoroughly deashing of oil field special wet steam generator, general exhaust gas temperature can drop to below 200 ℃, if with residual oil is fuel, boiler cigarette every day temperature rises more than 10 ℃, crude oil is that fuel also should be about 5 ℃, 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, open stove after, 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 by this invention provides a kind of special wet steam generator online dust cleaning device for oil field, and this deashing device utilizes shock wave, sound wave, high velocity air multiple action deashing, and ash-removal effect is better, uses safer.
A kind of special wet steam generator online dust cleaning device for oil field, comprise compressed air reservoir, shock wave generator, single control magnetic valve and shock wave injection apparatus, the air inlet pipe of described shock wave generator is communicated with compressed air reservoir, the shock wave spout of shock wave generator is by shock wave pipeline connection shock wave injection apparatus, described single control magnetic valve is installed on the shock wave generator, and the control end of single control magnetic valve is connected with cyclelog.
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.
Spout in the described pneumatic stepping rotary nozzle becomes 15 °～45 ° angles with the axis of pneumatic stepping rotary nozzle.
Described shock wave pipeline is a flexible steel in flat section tubing.
The angled oblique spray of spout of the present invention and rotary nozzle axis is quick-fried, and the shower nozzle rotation has all increased the effective deashing sphere of action of dust remover; And working media is a superheated steam, does not exist the fuel gas pipeline leakage of gas type shock wave dust remover, combustion gas burner hearth to leak potential safety hazards such as bore premature, tempering detonation, excessive gas explosion;
The present invention self energy consumption is low in addition, moves at most every day 2～4 times, and every 48 of umber of pulse of total operation of dust remover day can be guaranteed the heating surface cleaning, separate unit shock wave dust remover air consumption every day 0.6m
3～2.4m
3Superheated steam (pressure 0.5Mpa-0.8Mpa), this item number is according to only reaching 1/20～1/40 of separate unit acoustic wave soot blower day air consumption.
Last shower nozzle of the present invention is short and small, and heavily loaded parts such as no Changqing ash rifle do not have easy-abrasion parts such as mechanical travelling gear yet, more do not have drive motors, are to move pure air-driven type design very reliable.Connect by flexible connecting pipe between shock wave generator, pneumatic stepping rotary nozzle, can put flexibly according to on-the-spot platform situation, also not can because of boiler expansion to the destructive mechanical stress of device loads.Shock wave generator, pneumatic stepping rotary nozzle projected life is 〉=50 ten thousand subpulses, need not do in the lifetime lubricated, clean, change the spare part maintenance work.
Special wet steam generator online dust cleaning device for oil field of the present invention has utilized the quick-fried shock wave that produces of the instantaneous spray of superheated steam, strong acoustic energy, the comprehensive function of high velocity air kinetic energy in dust stratification to greatest extent, destroy the stable state of dust stratification, reach the purpose of cleaning heating surface.Multiple energy synthesis effect ash-removal effect produces the ash-removal effect of acoustic energy or high velocity air kinetic energy much larger than the simple superheated steam that utilizes, and can effectively remove various dissimilar dust stratifications or coking on the heating surface.
Description of drawings
Fig. 1 is a special wet steam generator online dust cleaning device for oil field structural representation of the present invention.
Among the figure: 1 compressed air reservoir, 2 shock wave generators, 3 single control magnetic valves, 4 shock wave pipelines, 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 to the present invention is described 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 institute restricted portion equally.
As shown in Figure 1, a kind of special wet steam generator online dust cleaning device for oil field, comprise compressed air reservoir 1, shock wave generator 2, single control magnetic valve 3 and shock wave injection apparatus 5, 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 shock wave pipeline 4, described single control magnetic valve 3 is installed on the shock wave generator 2, and the control end of single control magnetic valve 3 is connected with cyclelog; Perforate on furnace wall 6 during installation, the shower nozzle 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 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 for use, the control mouth of described pneumatic stepping rotary nozzle is communicated with shock wave generator 2 by wireway, spout 51 in the pneumatic stepping rotary nozzle becomes 15 °～45 ° angles with the axis of pneumatic stepping rotary nozzle, 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 30 °, and 12 subpulses can promote pneumatic stepping rotary nozzle and rotate a circle.
Of particular note, described in the present embodiment shock wave pipeline 4 is a flexible steel in flat section tubing, and flexible steel in flat section tubing is flexible, makes the shock wave generator 2 that becomes one can put flexibly according to on-the-spot platform situation with compressed air reservoir 1.
When working, the present invention can utilize the impact kinetic energy of acoustic energy, high-speed gas, three aspects of cleaning effect of air-flow to realize the effect of deashing simultaneously.
From acoustic energy, after shock wave injection apparatus inner plane normal shock wave goes out spout, can form spheric shock, the spheric shock diameter constantly increases, and its centre of sphere travels forward along the spout axis, and the while is along with the increase of spheric shock diameter, shock strength is constantly decayed, and weakens at last to be the high strength sound wave.Shock wave can reflect at the physical interface of dust stratification and substrate, and can import dust stratification inside by refraction, the violent pressure compressional wave of shock wave produces a kind of effect of pressing post-tensioning earlier to dust stratification, dust stratification is broken, the refraction shock wave that imports in the dust stratification also can produce shear wave in grey body, involve reflection interaction with incident, make dust stratification break away from substrate.Simultaneously at spout since shock wave and high velocity air impact, produce very powerful spout noise, apart from 1 meter of spout, the sound intensity can reach 160～170 decibels, can produce separation effect at the attachment state of heating surface to the dust stratification coking, and make dust stratification, coking produce fatigue fracture and broken tendency.
From the impact kinetic energy of high-speed gas, after the superheated steam that spout ejects arrives the heating surface tube wall, black dirt layer accompanying on it, coking surface temperature are produced violent influence, break black dirt layer, the original temperature equilibrium of coking, black dirt layer, coking surface temperature occurrence temperature alternation, black dirt layer, coking produce heat fatigue, make black dirt layer, coking produce cracked, tendency comes off.
Spout ejects high velocity air (speed＞300m/s) after with shock wave on the cleaning effect of air-flow, direct projection, refraction and reflected gas stream kinetic energy directly act on dust stratification, coking layer, and the dust stratification, the coking that are attached to the heating surface surface are directly broken away from because of being subjected to the effect of air-flow mechanical external force.
Claims (4)
1. special wet steam generator online dust cleaning device for oil field, it is characterized in that: comprise compressed air reservoir, shock wave generator, single control magnetic valve and shock wave injection apparatus, the air inlet pipe of described shock wave generator is communicated with compressed air reservoir, the shock wave spout of shock wave generator is by shock wave pipeline connection shock wave injection apparatus, described single control magnetic valve is installed on the shock wave generator, and the control end of single control magnetic valve is connected with cyclelog.
2. special wet steam generator online dust cleaning device for oil field as claimed in claim 1 is characterized in that: 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.
3. special wet steam generator online dust cleaning device for oil field as claimed in claim 2 is characterized in that: the spout in the described pneumatic stepping rotary nozzle becomes 15 °～45 ° angles with the axis of pneumatic stepping rotary nozzle.
4. as claim 1, the described special wet steam generator online dust cleaning device for oil field of 2 or 3 any claims, it is characterized in that: described shock wave pipeline is a flexible steel in flat section tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010166126 CN101832570A (en) | 2010-05-07 | 2010-05-07 | Special wet steam generator online dust cleaning device for oil field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010166126 CN101832570A (en) | 2010-05-07 | 2010-05-07 | Special wet steam generator online dust cleaning device for oil field |
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| CN101832570A true CN101832570A (en) | 2010-09-15 |
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| CN 201010166126 Pending CN101832570A (en) | 2010-05-07 | 2010-05-07 | Special wet steam generator online dust cleaning device for oil field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538574A (en) * | 2010-12-22 | 2012-07-04 | 吴舒克 | Dehydration type shock wave soot blower |
| CN103047663A (en) * | 2012-12-15 | 2013-04-17 | 慈溪市隆诚贸易有限公司 | Withdrawal type online impact ash removal device for boiler |
| CN106461336A (en) * | 2014-02-11 | 2017-02-22 | 冲击及清洁装置有限责任公司 | Method and device for cleaning interiors of containers and systems |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729543Y (en) * | 2004-09-30 | 2005-09-28 | 李新民 | Guiding air pulse special large power ash cleaning device |
| CN2746278Y (en) * | 2004-07-15 | 2005-12-14 | 何建明 | Acoustic regulation soot blower |
| 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 |
| CN201652383U (en) * | 2010-05-07 | 2010-11-24 | 解永 | Oil field special-purpose wet steam generator dust cleaning device |
-
2010
- 2010-05-07 CN CN 201010166126 patent/CN101832570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746278Y (en) * | 2004-07-15 | 2005-12-14 | 何建明 | Acoustic regulation soot blower |
| CN2729543Y (en) * | 2004-09-30 | 2005-09-28 | 李新民 | Guiding air pulse special large power ash cleaning device |
| 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 |
| CN201652383U (en) * | 2010-05-07 | 2010-11-24 | 解永 | Oil field special-purpose wet steam generator dust cleaning device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538574A (en) * | 2010-12-22 | 2012-07-04 | 吴舒克 | Dehydration type shock wave soot blower |
| CN103047663A (en) * | 2012-12-15 | 2013-04-17 | 慈溪市隆诚贸易有限公司 | Withdrawal type online impact ash removal device for boiler |
| CN106461336A (en) * | 2014-02-11 | 2017-02-22 | 冲击及清洁装置有限责任公司 | Method and device for cleaning interiors of containers and systems |
| CN106461336B (en) * | 2014-02-11 | 2019-10-11 | 冲击及清洁装置有限责任公司 | The method and apparatus of the inner space of cleaning container and equipment |
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Open date: 20100915 |