CN2684913Y - Lead dust fume low-temperature dedusting device - Google Patents
Lead dust fume low-temperature dedusting device Download PDFInfo
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- CN2684913Y CN2684913Y CN 200420015714 CN200420015714U CN2684913Y CN 2684913 Y CN2684913 Y CN 2684913Y CN 200420015714 CN200420015714 CN 200420015714 CN 200420015714 U CN200420015714 U CN 200420015714U CN 2684913 Y CN2684913 Y CN 2684913Y
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Abstract
The utility model relates to a lead dust fume low-temperature dedusting device which belongs to the technical field of dedusting devices and is provided to largely decrease the concentration of the discharged lead dust. The utility model is provided with an electric precipitator and a draught fan, wherein the electric precipitator is provided with a dedusting body, a high voltage insulating tank, a transformer, etc. The device is additionally provided with a rotational flow type cool-down deduster and a blower after improved. The rotational flow type cool-down deduster is formed by spiral surrounding of two heat exchanging wall surfaces arranged at intervals. The interval spacing forms a spiral cold and hot air duct in which high temperature fume and natural cooling wind flow reversely. The high temperature fume enters the electric precipitator after being cooled-down and dedusted. The utility model can lower the lead concentration from the original 1 mg/Nm< 3 > down to 0.092 mg/Nm < 3 > and can greatly economize water resource by building a humidifying tower. The utility model is suitable for being used as a dedusting device of various furnaces and boilers, etc., and especially as a delead dedusting device of industrial furnaces for glass industry.
Description
Technical field
The utility model relates to fume dust remover, and especially industrial kiln dust arrester in the electronic glass industry belongs to the dust arrester technical field.
Background technology
Tank furnace, Industrial Stoves such as awl stove etc. that the electronic glass industry is used to produce kinescope can discharge a large amount of useless flue gases when carrying out the glass high-temperature fusion, except that containing dust, also contain a large amount of lead in the flue gas, this is owing to the cause for making kinescope can stop the harmful light beta radiation to need to add a certain amount of lead element in glass bulb, and plumbous addition is up to 33%～35.That discharges contains lead dust waste gas as without dust removal process, will cause severe contamination and crisis people's health to environment.The known lead dust device that removes mainly is made up of electric cleaner, air-introduced machine, conditioning Tower etc.Contain the lead dust high-temperature flue gas and under the air-introduced machine effect, be introduced into conditioning Tower and accept the dedusting of spray humidification, and then enter in the electric field of electric cleaner and carry out dedusting, afterwards through smoke stack emission.Traditional theory thinks that when adopting the electric cleaner dedusting, flue-gas temperature must reach 240～260 degree, to prevent that the moisture content dewfall influences the electric cleaner trouble free service in the flue gas, so the electronic glass industry adopts this kind high-temperature dust removal technology for many years always.The corresponding increase of viscosity when gas temperature is high, lead dust are difficult for reclaiming, and the concentration that high-temperature dust removal is handled lead in the emission of back rests on 2～5mg/Nm always
3High-load on, and be difficult to lower.In addition, the water consumption of the conditioning Tower every day in the high-temperature dust removal is unfavorable for water saving up to tens to tons up to a hundred very much.Along with the progress of society, environmental protection problem more and more obtains paying close attention to and paying attention to, and more strict emission control standards is put into effect in succession.The national Specification of new promulgation, the Industrial Stoves of newly-built, enlarging, concentration plumbous in the emission must be lower than 0.10mg/Nm
3Obviously, above-mentioned high-temperature dust removal technology and device are about to be eliminated can't satisfy the requirement of new standard.Develop new dedusting technology and become extremely urgent problem with corresponding process unit.
Summary of the invention
Problem to be solved in the utility model provides a kind of lead dust flue gas low-temperature dust arrester that can reduce concentration plumbous in the emission significantly, satisfy environmental protection requirement.
The alleged problem of the utility model realizes with following technical scheme:
A kind of lead dust flue gas low-temperature dust arrester, be provided with electric cleaner 30 in the formation, air-introduced machine 31, electric cleaner has dust removing body 24 in constituting, high voltage insulating tank 20, transformer 28, its improvements are, set up spiral-flow type cooling deduster 32 and air blast 33 in the formation, described spiral-flow type cooling deduster is by two heat exchange walls 1,2 be intervally arranged spiral surroundings and add up and down cover plate 5,6 form, heat exchange wall 1, the space of arranging between 2 forms the cold of spiral, hot- flow flue 3,4, cold, in the hot-flow flue, the external spiral termination is respectively cold, hot blast advances, outlet, cold wind advances, outlet is connected with air blast 33 and atmosphere, hot blast advances, outlet is connected with kiln exhaust opening 40 and electric cleaner 30, the outlet of electric cleaner 30 is connected with the import of air-introduced machine 31, the bottom interval of the hot-flow flue 4 little flue-dust retainer 17 of arranging.
Above-mentioned lead dust flue gas low-temperature dust arrester, the reverse setting of import and export in described hot and cold air channel 3,4.
Above-mentioned lead dust flue gas low-temperature dust arrester, the inside spin termination in described hot and cold air channel 3,4 is separated into separate cavities 9,10 by dividing plate 8, separate cavities 9 is connected with air blast 33 by cold wind import 11, and separate cavities 10 is connected with described electric cleaner 30 by hot-blast outlet 12.
Above-mentioned lead dust flue gas low-temperature dust arrester, big flue-dust retainer 16 is set up in the bottom of described spiral-flow type cooling deduster 32, and big flue-dust retainer contains little flue-dust retainer 17.
Above-mentioned lead dust flue gas low-temperature dust arrester, described high voltage insulating tank 20 disposes drier 21 and air blast 22, the inlet 21-3 of drier is connected, exports 21-4 with the outlet of air blast 22 and is connected with the air inlet 20-1 of high voltage insulating tank top, and the exhaust outlet 20-2 of the import of air blast 22, high voltage insulating tank communicates with atmosphere respectively.
Above-mentioned lead dust flue gas low-temperature dust arrester has cyclone dust collectors 34 in the described hot blast import 14.
Above-mentioned lead dust flue gas low-temperature dust arrester, the quantity of described spiral-flow type cooling deduster 32 is a plurality of, the hot and cold wind import and export of a plurality of spiral-flow type cooling dedusters is connected in parallel.
The utlity model has following characteristics:
1. the utility model is broken through the traditional theory constraint, courageously adopts the low temperature dedusting technology, and spiral-flow type cooling deduster is set in formation, and flue-gas temperature is reduced to 110～120 degree by 260 degree, makes lead dust be easy to separate and removes.Simultaneously, because the cooling deduster can not be accomplished positive confinement, having little air in the temperature-fall period sneaks in the flue gas, sneaking into oxygen in the flue gas forms lead sulfate and can play desulphuration in oxidizing process, so can reduce the smoke condensation temperature, make the flue gas that enters electric cleaner can be, can guarantee the use that electric cleaner is safe and reliable and strengthen removing dynamics, so can reduce the concentration of lead in the emission significantly to lead dust because of the dewfall phenomenon does not appear in cooling.Through test, lead concentration can be by 2 original～5mg/Nm
3Reduce to 0.092mg/Nm
3
2. spiral-flow type cooling deduster adopts spiral heat exchange wall to add the design in hot and cold air channel, and heat exchange area is big, flow resistance is little, exchange capability of heat is strong, can utilize spiral duct that the lead dust of larger particles is removed in cooling;
3. remove conditioning Tower in constituting, can therefore save a large amount of precious water resource;
4. the configuration of the high voltage insulating tank in electric cleaner drier adopts the heated-air drying technology to improve insulating properties, and can avoid the creepage phenomenon because of the humidity appearance, has improved the security and the reliability of high voltage insulating tank;
5. spiral-flow type cooling deduster can adopt the single or multiple modes that are arranged in parallel according to processing capability requirements, can satisfy the various working user demand, and has compact conformation, characteristics easy for installation;
The utility model is suitable to be used as dust arresters such as various kilns, boilers, and the especially suitable lead dust device that removes as Industrial Stoves in the electronic glass industry uses.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a spiral-flow type cooling deduster structural representation among Fig. 1;
Fig. 3 is a C-C amplification profile among Fig. 2;
Fig. 4 is an A-A amplification view among Fig. 2;
Fig. 5 is an electric cleaner structural representation among Fig. 1;
Fig. 6 is the vertical amplification profile of drier among Fig. 5;
Fig. 7 is an A-A amplification profile among Fig. 6.
The specific embodiment
Consult Fig. 1, the quantity of spiral-flow type cooling deduster 32 is 4 among the figure, and air-introduced machine 31 quantity are 2.The high temperature lead dust flue gas of kiln exhaust opening 40 dischargings is entered in the hot-flow flue of 4 spiral-flow type cooling dedusters 32 through hot blast import 14 by 4 parallel pipelines after cyclone dust collectors 34 carry out the crude separation dedusting earlier, simultaneously, enter in the cold air duct of 4 spiral-flow types cooling dedusters 32 by the cooling air of air blast 33 output pipeline by 4 parallel connections, high-temperature flue gas in the hot-flow flue through cooling with separates dust removal process after enter in the electric cleaner 30 by 4 parallel pipelines, the cooling air heat absorption back in the cold air duct exports 13 by cold wind and is discharged in the atmosphere.Among the figure 35 be chimney, 36 for the telescopic joint in the pipeline, 37 for control with stop valve, dish valve etc., 38 be that the adjustable damper, 39 of air-introduced machine is a point for measuring temperature.
Consult Fig. 1～4, spiral-flow type cooling deduster 32 is intervally arranged by heat exchange wall 1,2 and curls into hot and cold air channel 3,4, hot and cold air channel upper and lower adds upper and lower cover plate 5,6 and forms the heat exchange body, the inside and outside position in hot and cold air channel is also unrestricted, illustrated example is used for the cooling high-temperature fume dust removal process, so hot-flow flue 4 is positioned at outer shroud, conveniently to utilize the outside wall surface radiating and cooling.Hot and cold wind import and export can reversely be provided with, both if the inside spin termination of cold air duct 3 was when being connected with the cold wind import, the inside spin termination of hot-flow flue 4 then is connected with hot-blast outlet, otherwise, if the inside spin termination of cold air duct 3 is when cold wind outlet is connected, and the inside spin termination of hot-flow flue 4 then should be connected with the hot blast import.Illustrated example had both adopted this contrary setting.For making things convenient for ash discharge, the hot-flow flue 4 bottom intervals funnelform little flue-dust retainer 17 of arranging, and can set up the big flue-dust retainer 16 that contains little flue-dust retainer simultaneously, isolate lead dust discharging regularly after little flue-dust retainer enters big flue-dust retainer.When setting up big flue-dust retainer, the conveyance conduit in the cold wind import 11 is communicated with cold wind import 11 through big flue-dust retainer.
Two inside spin terminations in hot and cold air channel can be separated into separate cavities 9,10 by merga pass dividing plate 8 at heat exchange body center, separate cavities 9 is connected with the cold wind import 11 that is arranged on lower cover 6 bottoms with the inside spin termination of cold air duct 3, the external spiral termination of cold air duct 3 then be arranged on upper cover plate 5 on cold wind outlet 13 be connected, cold wind outlet 13 directly communicates with atmosphere, the natural cooling air of importing by air blast 33 by the inside spin termination of cold air duct 3 enter, by the external spiral termination discharge of cold air duct 3; Separate cavities 10 is connected with the inside spin termination of hot-flow flue 4 and the hot-blast outlet 12 that is arranged on the upper cover plate 5, the external spiral termination of hot-flow flue 4 then is connected with hot blast import 14 on the upper cover plate 5, is entered, is entered in the electric cleaner 30 after hot-blast outlet 14 is discharged by the inside spin termination by the high-temperature flue gas of the kiln floss hole input external spiral termination by hot-flow flue 4.15 is reinforcement among the figure, is used to improve the structural rigidity of deduster.
Inflection after the outer end of heat exchange wall 2 can stretch out, be connected with heat exchange wall 2 after the inflection with still, form horn shape extending space 7, this moment, the corresponding position coupling of upper and lower cover plate 5,6 was extended, the external spiral termination of hot-flow flue 4 communicates with the horn shape extending space, hot blast import 14 corresponding horn shape extending spaces 7 on the upper cover plate 5, the external spiral termination of hot-flow flue 4 communicates with hot air inlet 14 by the horn shape extending space.Also have installing ring 18 on the spiral-flow type cooling deduster, can be fixed on the bracing frame 19 by installing ring 18.The thickness of heat exchange wall 1,2 can be 3～4 millimeters, and the heat exchange body diameter can be 2500～3000 millimeters.
Be provided with electric field A, B in the dust removing body 24 in the electric cleaner 30,, be placed at interval the electrode 27 in the top of dust removing body 24 and corresponding A, the B electric field so the quantity of high voltage insulating tank 20 is 3.Drier 21 and air blast 22 also are fixed in the top of dust removing body 24.Drier 21 is made up of housing 21-1, electric heating tube 23, and housing is a metal shell, and the housing internal valve is provided with the heat-insulation layer 21-2 of refractory material.Electric heating tube 23 in twos one group misplace at interval and be arranged in the housing, be fixed on the loam cake 25.23-1 is the electrode of electric heating tube 23, and 26 is outer cover, and 28 is transformer.The inlet 21-3 of drier 21 is connected, exports 21-4 with the outlet of air blast 22 and then is connected by the air inlet 20-1 of three pipelines with three high voltage insulating tank 20 tops.The dry-heat airs that drying device 21 is heated to 40～60 degree enter High-Voltage Insulation mutually in 20 by the air inlet 20-1 of high voltage insulating tank 20 tops, are discharged by the exhaust outlet 20-2 of its below, form the thermal current that flows in high voltage insulating tank.
Claims (8)
1. lead dust flue gas low-temperature dust arrester, be provided with electric cleaner [30] in the formation, air-introduced machine [31], electric cleaner [30] has dust removing body [24] in constituting, high voltage insulating tank [20], transformer [28], it is characterized in that, set up spiral-flow type cooling deduster [32] and air blast [33] in the formation, described spiral-flow type cooling deduster is by two heat exchange walls [1], [2] be intervally arranged spiral surrounding and add up and down cover plate [5], [6] form, space, interval between the heat exchange wall forms the cold of spiral, hot-flow flue [3], [4], cold, in the hot-flow flue, the external spiral termination is respectively cold, hot blast advances, outlet, cold wind advances, outlet is connected with the outlet and the atmosphere of air blast [33], hot blast advances, outlet is connected with kiln exhaust opening [40] and electric cleaner [30], the outlet of electric cleaner is connected with the import of air-introduced machine [31], the bottom interval of hot-flow flue [4] the little flue-dust retainer [17] of arranging.
2. lead dust flue gas low-temperature dust arrester according to claim 1 is characterized in that, the reverse setting of import and export of described hot and cold air channel [3], [4].
3. lead dust flue gas low-temperature dust arrester according to claim 2, it is characterized in that, the inside spin termination of described hot and cold air channel [3], [4] is separated into separate cavities [9], [10] by dividing plate [8], separate cavities [9] is connected with air blast [33] by cold wind import [11], and separate cavities [10] is connected with described electric cleaner [30] by hot-blast outlet [12].
4. lead dust flue gas low-temperature dust arrester according to claim 3 is characterized in that, big flue-dust retainer [16] is set up in the bottom of described spiral-flow type cooling deduster [32], and big flue-dust retainer contains little flue-dust retainer [17].
5. according to the described lead dust flue gas low-temperature of claim 4 dust arrester, have cyclone dust collectors [34] in the described hot blast import 14.
6. according to claim 1,2,3,4 or 5 described lead dust flue gas low-temperature dust arresters, it is characterized in that, described high voltage insulating tank [20] disposes drier [21] and air blast [22], the inlet of drier [21-3] is connected, exports [21-4] with the outlet of air blast [22] and is connected with the air inlet [20-1] of high voltage insulating tank top, and the exhaust outlet [20-2] of the import of air blast [22], high voltage insulating tank communicates with atmosphere respectively.
7. lead dust flue gas low-temperature dust arrester according to claim 6 is characterized in that, has cyclone dust collectors [34] in the described hot blast import [14].
8. lead dust flue gas low-temperature dust arrester according to claim 7 is characterized in that, described spiral-flow type cooling deduster [32] adopts a plurality of parallel connections, and the hot and cold wind import and export of each spiral-flow type cooling deduster is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015714 CN2684913Y (en) | 2004-02-03 | 2004-02-03 | Lead dust fume low-temperature dedusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015714 CN2684913Y (en) | 2004-02-03 | 2004-02-03 | Lead dust fume low-temperature dedusting device |
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| Publication Number | Publication Date |
|---|---|
| CN2684913Y true CN2684913Y (en) | 2005-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420015714 Expired - Fee Related CN2684913Y (en) | 2004-02-03 | 2004-02-03 | Lead dust fume low-temperature dedusting device |
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| CN (1) | CN2684913Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893763A (en) * | 2015-06-01 | 2015-09-09 | 佛山市国保节能环保技术有限公司 | Non-phenol water purifier |
| CN110652831A (en) * | 2019-11-18 | 2020-01-07 | 秦皇岛中青冶金阀门有限公司 | Cyclone dust collector and dust collection method |
| CN113757713A (en) * | 2021-09-02 | 2021-12-07 | 东方电气集团东方锅炉股份有限公司 | Powder making system of coal mill with staged combustion furnace smoke mixing and drying fan for power |
-
2004
- 2004-02-03 CN CN 200420015714 patent/CN2684913Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893763A (en) * | 2015-06-01 | 2015-09-09 | 佛山市国保节能环保技术有限公司 | Non-phenol water purifier |
| CN104893763B (en) * | 2015-06-01 | 2021-11-02 | 佛山市国保环保节能科技有限公司 | Phenol-free water purifier |
| CN110652831A (en) * | 2019-11-18 | 2020-01-07 | 秦皇岛中青冶金阀门有限公司 | Cyclone dust collector and dust collection method |
| CN113757713A (en) * | 2021-09-02 | 2021-12-07 | 东方电气集团东方锅炉股份有限公司 | Powder making system of coal mill with staged combustion furnace smoke mixing and drying fan for power |
| CN113757713B (en) * | 2021-09-02 | 2023-06-13 | 东方电气集团东方锅炉股份有限公司 | Powder making system of graded combustion furnace smoke mixing drying fan coal mill for power |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |