CN104713107A - Ash removal device of glass kiln - Google Patents
Ash removal device of glass kiln Download PDFInfo
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- CN104713107A CN104713107A CN201510081229.7A CN201510081229A CN104713107A CN 104713107 A CN104713107 A CN 104713107A CN 201510081229 A CN201510081229 A CN 201510081229A CN 104713107 A CN104713107 A CN 104713107A
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- glass furnace
- compressed air
- cabinet
- acetylene
- shock wave
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Abstract
An ash removal device of a glass kiln is characterized by comprising a compressed air supply cabinet (1), an acetylene supply cabinet (2) and a plurality of mixed gas distribution cabinets (3), wherein the compressed air supply cabinet (1) and the acetylene supply cabinet (2) are controlled by an electrical central control cabinet (7), the mixed gas distribution cabinets (3) are connected with the compressed air supply cabinet (1) and the acetylene supply cabinet (2) and connected with gas mixing ignition cabinets (4), and shock wave generation tanks (5) are connected with the gas mixing ignition cabinets (4) and spray shock waves into the glass kiln through spray pipes (6). The ash removal device can greatly reduce labor intensity, improve ash removal efficiency and ash removal quality and reduce abrasion to various positions of a boiler, a unit does not need to be shut down for a long time, and influences on front-end furnace pressure and a rear-end desulfurization system are reduced in the ash removal period.
Description
Technical field
The present invention relates to glass burning techniques field, particularly a kind of cleaning device of glass furnace.
Background technology
In glass burning techniques field, usually adopt glass furnace, owing to containing more dust in the flue gas in glass furnace, the therefore easy superficial dust at boiler heat exchange pipe, form black dirt.Because the thermal resistance of black dirt is very large, collecting ash can cause the circulation area of flue gas flow channel to diminish, and negative pressure in flue gas flow channel is increased.In addition, because the thermal conductivity of black dirt is very poor, lighter dust stratification also can produce very large thermal resistance, therefore obviously can reduce ability to work and the efficiency of boiler.
In order to make boiler normally run, needing blowing out deashing regularly, to a certain extent the stable operation of kiln gas treatment facility being impacted, adding the environmental protection pressure of enterprise.In addition, the low temperature black dirt that hardens contains sulfuric acid, can cause more serious corrosion to accompanying heating surface, and alkaline metal salt contained in high temperature slagging scorification, under the effect of high temperature, complicated chemical reaction can be there is with metal, more serious high temperature corrosion is caused to heating surface.Boiler is in running, the dust stratification dirt that heat exchange surface produces concentrates the heat exchange reduced between working medium and flue gas, add the resistance of flue gas, affect the heat transference efficiency of heating surface, reduce the thermal efficiency of boiler, affect boiler normally to run, afterbody heat exchanger sometimes also can be caused to produce corrosion, potential danger is brought to boiler operatiopn.
In prior art, in order to clear up dust stratification, usually adopt workman's deashing.And artificial purge mode, frequency is about 15 days/time, scavenging period about 1.5 days, and need to stop pot evening before that day at removing ash of boiler to cool, running water is utilized to carry out flushing deashing to boiler heating surface (heat exchanger tube) when cleaning, after rinsing, wastewater collection rises and comes tank and carry out alkaline cleaning, rear discharge up to standard.But artificial purge mode needs to consume a large amount of clear water, because dust stratification is in acid, certain corrosion can be produced to boiler heating surface (heat exchanger tube) in water flushing process; And water rinses and must implement when boiler cold-state, often by the restriction of compressor emergency shutdown time, causes some effects to follow-up desulphurization system; Artificial purge mode labour intensity is large, and expend time in length, and efficiency is lower, and because each deashing spacing frequency is longer, it is longer that part dust stratification incrustation accumulates the time, is difficult to cleaning, increases deashing difficulty.
Therefore, how designing and a kind of reduce labour intensity, improving again cleaning efficiency and deashing quality, reducing boiler corrosion, the deashing device again without the need to shutting down for a long time, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art; a kind of deashing device is provided; greatly can reduce labour intensity; improve cleaning efficiency and deashing quality; reduce boiler corrosion everywhere; without the need to shutting down for a long time unit, reduce because of during deashing on the impact of front end furnace pressure and rear end desulphurization system.For this reason, the present invention is by the following technical solutions:
A kind of deashing device of glass furnace, it is characterized in that, comprise the compressed air air tower and acetylene air tower that are controlled by electric central switch board, several mixed gas distribution cabinets be connected with described acetylene air tower with described compressed air air tower, described mixed gas distribution cabinet is connected with gas and vapor permeation igniting cabinet, and shock wave generation tank and described gas and vapor permeation cabinet of lighting a fire is connected and by jet pipe to glass furnace furnace injection.
Preferably, described shock wave generation tank is arranged on kiln wall by wall bushing.
Preferably, the emission port of described jet pipe aims at heat-transfer area.
Preferably, the acetylene that the compressed air that described compressed air air tower provides provides with described acetylene air tower mixes in described mixed gas distribution cabinet, and high-frequency ignition, detonation in described shock wave generation tank in described gas and vapor permeation igniting cabinet.
Preferably, then the mist in described shock wave generation tank is quick-fried releases energy with the form of impact kinetic energy, heat energy, acoustic energy, enters in glass furnace through described jet pipe.
Glass furnace deashing device provided by the invention, blowing ash does not have dead angle, and effectively blow Transitional Space large, the floor space controlling the equipment such as electric cabinet and acetylene storage tank is little, easy for installation, and mechanical moving component, maintenance is few, long service life, substantially non-maintaining.And avoid boiler wash cause heating surface, furnace wall gate corrosion, extend the whole service life of heat exchanger and boiler, because heating surface drying corrosion alleviates, dust stratification speed slows down again, blow ash long for interval time, only need to increase a small amount of compressed air consumption and control running water and the alkali lye cost that electric cabinet power consumption replaces the artificial deashing of prior art, economical operation.
Accompanying drawing explanation
Fig. 1 is glass furnace deashing device structural representation provided by the invention.
Detailed description of the invention
Below in conjunction with Figure of description, describe embodiments of the present invention in detail.
Please refer to Fig. 1, Fig. 1 is glass furnace deashing device structural representation provided by the invention.
Be provided with heat exchanger tube 11 in glass furnace 10, deashing device is connected with glass furnace 10 by wall bushing 8.
Deashing device provided by the invention, comprise electric central switch board 7, and the compressed air air tower 1 to be controlled by electric central switch board 7 and acetylene air tower 2, wherein, compressed air air tower provides the compressed air needed for mist, acetylene air tower 2 then provides the acetylene needed for mist, two kinds of gases mix in mixed gas distribution cabinet 3, in the present embodiment, mixed gas distribution cabinet 3 is provided with two altogether, certainly, the quantity of mixed gas distribution cabinet 3 can set according to actual needs.
Mixed gas distribution cabinet 3 and gas and vapor permeation cabinet 4 of lighting a fire is connected, and gas and vapor permeation igniting cabinet 4 is connected with shock wave generation tank 5, and shock wave generation tank 5 is arranged on the kiln wall of glass furnace 10 by wall bushing 8.Acetylene and compressed air mix by a certain percentage in mixed gas distribution cabinet 3, through high-frequency ignition detonation in shock wave generation tank, after thermal explosion burning, the volume of mist occurs sharply to expand instantaneously, produce the higher shock wave of pressure and the air-flow of flank speed, enter in stove through jet pipe 6, and release energy with the form of impact kinetic energy, heat energy, acoustic energy, the effect connect afterwards is first pressed to the dust stratification generation in glass furnace is a kind of, make the dust stratification on heating surface be hit the impact of ripple and fragmentation, peel off, depart from dust stratification substrate.
The shock wave entered in kiln produces lateral wave through heated surface bundle, furnace wall multiple reflections in grey body, thus fills the air unrestrained whole surface for the treatment of ash disposal, make dust stratification loose, come off.In addition, gaseous mixture produces high-temperature high-pressure air flow instantaneously being lighted detonation, though temperature decreases when high temperature gas flow sprays directive dust stratification layer from jet pipe 6, but dust stratification layer surface is still softened because of higher temperature effect, adhesion strength and fatigue strength reduce, and under air blast purges, grieshoch fragmentation comes off.
Grieshoch after coming off is stored on the flue-dust retainer 9 below kiln, can regularly clear up.
Deashing device provided by the invention, can produce three kinds of energy, to the cleaning that dust stratification carries out in various degree.
Impact kinetic energy: the shock wave that thermal explosion burning produces, on heating surface parts surface, makes dust stratification come off and flies upward; Heating surface pipe produces vibration simultaneously, and make the grieshoch of attached tube sub-surface break, come off, its effect is similar to mechanical vibrator, but its action time extremely short (being generally Millisecond), to heating surface without any damage.
Heat energy: when the high temperature that thermal explosion burning produces, high velocity air are from shock wave jet pipe directive dust stratification layer, dust stratification layer is softened, and adhesion strength reduces.Under high velocity air purges, grieshoch fragmentation comes off, particularly effective to caking property dust stratification.
Acoustic energy: when hot exploding gas enters in stove, produce the great sound being blown in space, energy discharges with sound, and its sound pressure level still remains on more than 160dB, and frequency of sound wave is within 35-205Hz, is all low frequency.Because low frequency sonic wavelength is longer, not easily decay in stove, and form multiple reflections, propagate to all directions in stove with radial.By the effect of acoustic energy, make the powder point particle in these regions produce concussion, due to the repeated action of sound wave shock, make dust stratification layer tired and loosely to come off.
Gas shock wave blows ash and belongs to dry and blow ash, and the temperature being different from steam blows ash, and except can blowing general dust stratification, to structural dust stratification, high dust is on-the-spot and high viscosity dust stratification result of use is more obvious; Have and blow grey energy greatly, intractable fouling and slagging can be removed.According to traditional removing dust stratification experience, the shear strength removed in boiler needed for different dust stratification is: the floating grey 200-500Pa in surface, the dust stratification lumpd is 400-800Pa, and burning mixture detonation in surge generator is the pressure that can produce 1.02MPa in theory, namely there is the purging pressure of 1.02MPa to carry out deashing, deashing needs can be met completely.In addition, produce shock wave that is multi-form and varying strength by the proportioning of acetylene and air and time controling, can complete in various degree, dissimilar dust stratification removes.
Shock wave generation tank 5 is arranged on boiler wall through wall bushing on furnace wall, blows grey jet pipe emission port and aims at heat-transfer area by jet pipe, can not beat on furnace wall and pressurized facial canal, therefore can not destroy furnace wall and boiler tube.Shock wave is about 1.02MPa to the surge pressure that heating surface produces, and action time is extremely short, and exponentially relation decay, belong to and blow ash without medium, wearing and tearing can not be caused to heating surface, boiler is normally run and can not be impacted.
It should be noted that, the term positions such as upper and lower, left and right of the present invention, be benchmark with the relative position shown by Figure of description, do not should be understood to limitation of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the deashing device of a glass furnace, it is characterized in that, comprise the compressed air air tower (1) and acetylene air tower (2) that are controlled by electric central switch board (7), several mixed gas distribution cabinets (3) be connected with described acetylene air tower (2) with described compressed air air tower (1), described mixed gas distribution cabinet (3) is connected with gas and vapor permeation igniting cabinet (4), and shock wave generation tank (5) and described gas and vapor permeation cabinet (4) of lighting a fire is connected and passes through jet pipe (6) to glass furnace furnace injection.
2. the deashing device of glass furnace as claimed in claim 1, it is characterized in that, described shock wave generation tank (5) is arranged on kiln wall by wall bushing (8).
3. the deashing device of glass furnace as claimed in claim 2, is characterized in that, the emission port of described jet pipe (6) aims at heat-transfer area.
4. the deashing device of glass furnace as claimed in claim 1, it is characterized in that, the acetylene that the compressed air that described compressed air air tower (1) provides provides with described acetylene air tower (2) mixes in described mixed gas distribution cabinet (3), and high-frequency ignition, detonation in described shock wave generation tank (5) in described gas and vapor permeation igniting cabinet (4).
5. the deashing device of glass furnace as claimed in claim 4, it is characterized in that, then mist in described shock wave generation tank (5) is quick-fried releases energy with the form of impact kinetic energy, heat energy, acoustic energy, enters in glass furnace through described jet pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081229.7A CN104713107A (en) | 2015-02-14 | 2015-02-14 | Ash removal device of glass kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081229.7A CN104713107A (en) | 2015-02-14 | 2015-02-14 | Ash removal device of glass kiln |
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| CN104713107A true CN104713107A (en) | 2015-06-17 |
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| CN201510081229.7A Pending CN104713107A (en) | 2015-02-14 | 2015-02-14 | Ash removal device of glass kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413618A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Soot blower |
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2015
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| WO2010032244A2 (en) * | 2008-09-16 | 2010-03-25 | H.Z. Management And Engineering Supervision Ltd. | Gas impulse blower |
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| CN202442347U (en) * | 2012-01-05 | 2012-09-19 | 青州中联水泥有限公司 | Deflagration soot blowing system for superheater of exhaust-heat boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413618A (en) * | 2020-11-25 | 2021-02-26 | 安化华晟生物能源有限责任公司 | Soot blower |
| CN112413618B (en) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | Soot blowing device |
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