CN107824021A - The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler - Google Patents
The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler Download PDFInfo
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- CN107824021A CN107824021A CN201711334316.4A CN201711334316A CN107824021A CN 107824021 A CN107824021 A CN 107824021A CN 201711334316 A CN201711334316 A CN 201711334316A CN 107824021 A CN107824021 A CN 107824021A
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- cylindric cylinder
- coal
- flue gas
- collecting
- tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
- B01D53/326—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00 in electrochemical cells
Abstract
The present invention relates to a kind of flue gas purifying equipment of small scall coal-fired boiler and technique.It is made up of smoke filtration assembly with filler, smoke filtration assembly is by air blower, fan inlet, cylindric cylinder, cylindric cylinder air inlet, cylindric cylinder exhaust outlet, apertured partition, collecting-tank, water circulating pump, spray head, outlet pipe spray supply mains, and threeway is formed with shower water branch pipe.Flue gas purifying technique is：Load the acidic liquid of pH value 3.5 4.5 in collecting-tank；Start water circulating pump, acidic liquid is sprayed by spray head to iron-carbon micro-electrolysis material；Coal-fired flue-gas is blasted cylindric cylinder by air blower, coal-fired flue-gas passes through each layer iron-carbon micro-electrolysis filler from bottom to top, sulfureous in flue gas, nitre, mercury composition and the iron-carbon micro-electrolysis material generation micro-electrolysis reaction for having adsorbed acidic liquid, reactant finally in the case where spraying water wash, is collected and focused in collecting-tank bottom, periodically discharge；The flue gas being cleaned is discharged from cylindric cylinder upper surface central cylinder shape cylinder exhaust outlet.
Description
Technical field
The present invention relates to field of Environment Protection, the flue gas purifying equipment and technique of more particularly to a kind of small scall coal-fired boiler.
Background technology
Of the present invention and " small scall coal-fired boiler " is to refer in particular to less than 20 tons coal-burning boilers；Because coal combustion is to cause greatly
One of gas pollution principal element, therefore the large-scale coal-burning utilities such as generating now, are equipped with desulfurization, denitration, and demercuration is equipped, due to
These desulfurization, denitration, demercuration equipment running technology requirement is strict, and investment is huge, is not suitable for promoting on small scall coal-fired boiler, because
This is from prevention and control of air pollution angle, it is desirable to and cancel these small scall coal-fired boilers, carry out " coal changes gas ", " coal changes electricity ", but from
Economic angle, china natural resources present situation are set out, and retain small scall coal-fired boiler, and then the cigarette of the feasible small scall coal-fired boiler of exploiting economy
Gas cleaning equipment and technique, there is more realistic meaning.Existing iron-carbon micro-electrolysis is used in solid-liquid two-phase environment:By iron filings and carbon particle
Manufactured filler, when being immersed in acid waste water, it can be formed due to the difference in Electrode Potential between iron and carbon, in waste water numerous micro-
Galvanic cell；These trickle batteries are to turn into anode with the low iron of current potential, and the high carbon of current potential does negative electrode, containing acidic electrolyte bath
Electrochemical reaction occurs in the aqueous solution, wherein main function is redox and the attached collection of electricity；The result of reaction is that iron is corroded
The iron ion for becoming divalence enters solution；Because iron ion has coagulation, it with pollutant in the particulate with faint negative electrical charge
There is a natural attraction between the sexes, forms more stable flocculate (being also iron cement) and removes.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of flue gas purifying equipment of small scall coal-fired boiler
With technique.The present invention is by iron-carbon micro-electrolysis, in solid-liquid-gas three phase environment, is first filled out with acidic liquid infiltration iron-carbon micro-electrolysis
Expect surface, when gas contacts with iron-carbon micro-electrolysis filler surface, sulphur in gas, nitre, mercury composition is oxidized reduction and electric attached collection,
Realize purification.
A kind of flue gas purifying equipment of small scall coal-fired boiler of the present invention, is made up of, flue gas smoke filtration assembly with filler
Assembly is filtered by air blower, fan inlet, cylindric cylinder, cylindric cylinder air inlet, cylindric cylinder exhaust outlet, band
Hole dividing plate, collecting-tank, water circulating pump, spray head, outlet pipe, supply mains is sprayed, threeway is formed with shower water branch pipe, cylindric cylinder
The high uniformities such as body Inner portions are provided with apertured partition, and collecting-tank is arranged at cylindric cylinder Inner bottoms, and collecting-tank middle part right side couples
Water pipe one end, outlet pipe other end connection water circulating pump water inlet, water circulating pump delivery port connection spray supply mains, shower water are total
The pipe other end is closed, and spray supply mains and apertured partition corresponds in quantity and position and threeway is housed, by three lead to by
Installation shower water branch pipe is stretched into the cylindric cylinder Inner portions space that each apertured partition separates, and spray is installed on every shower water branch pipe
Drench head；In cylindric cylinder bottom, the collecting-tank water surface is equipped with cylindric cylinder air inlet, cylindric cylinder air inlet with upper left side
Coupled with air blower gas outlet by pipeline, fan inlet, coupled by pipeline with coal-burning boiler outlet flue；In cylindrical shape
Cylinder upper surface center is provided with cylindric cylinder exhaust outlet；Uniform filling is deposited on each layer apertured partition, and filler uses iron carbon
Light electrolysis material.
Using the flue gas purifying equipment of small scall coal-fired boiler of the present invention, it is as follows to carry out flue gas purifying technique：
A. pH value 3.5-4.5 acidic liquids are loaded in collecting-tank；
B. start water circulating pump, acidic liquid is sprayed by spray head to iron-carbon micro-electrolysis material；
C. coal-fired flue-gas is blasted cylindric cylinder by air blower, coal-fired flue-gas from bottom to top by each layer iron-carbon micro-electrolysis filler,
Sulfureous in flue gas, nitre, mercury composition and the iron-carbon micro-electrolysis material generation micro-electrolysis reaction for having adsorbed acidic liquid, reactant finally exist
Spray under water wash, collect and focused in collecting-tank bottom, periodically discharge；The flue gas being cleaned is from cylindric cylinder upper surface
Central cylinder shape cylinder exhaust outlet is discharged.
Brief description of the drawings
Accompanying drawing 1 is the flue gas purifying equipment structural representation of small scall coal-fired boiler, and upper figure is elevational schematic, and figure below is horizontal stroke
Cut open schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but is not that a kind of of the present invention is limited.
A kind of flue gas purifying equipment of small scall coal-fired boiler, is made up of, smoke filtration smoke filtration assembly 20 and filler 30
Assembly 20 is by air blower 1, fan inlet 14, cylindric cylinder 2, cylindric cylinder air inlet 12, cylindric cylinder exhaust
Mouth 13, apertured partition 3, collecting-tank 4, water circulating pump 5, spray head 6, outlet pipe 7, spray supply mains 8, threeway 9 and shower water branch
Pipe 11 is formed, and the high uniformity such as cylindric Inner portions of cylinder 2 is provided with 4-20 layers apertured partition 3, and collection is arranged at the cylindric Inner bottoms of cylinder 2
Pond 4, the middle part of collecting-tank 4 right side connection outlet pipe 7 one end, the other end of the outlet pipe 7 connection water inlet of water circulating pump 5, recirculated water
The delivery port of pump 5 connection spray supply mains 8, spray supply mains 8 other end closing, spray supply mains 8 and apertured partition 3 quantity with
Corresponded on position and threeway 9 is housed, stretched into by threeway 9 to the Inner portions space of cylindric cylinder 2 separated by each apertured partition 3
Shower water branch pipe 11 is installed, 2-6 spray head 6 is installed on every shower water branch pipe 11；In the cylindric bottom of cylinder 2, catchment
The water surface of pond 4 is equipped with cylindric cylinder air inlet 12 with upper left side, and cylindric cylinder air inlet 12 passes through pipe with the gas outlet of air blower 1
Road couples, and fan inlet 14, is coupled by pipeline with coal-burning boiler outlet flue；Opened in the cylindric upper surface center of cylinder 2
There is cylindric cylinder exhaust outlet 13；Filler 30 is uniformly deposited on each layer apertured partition 3, and filler 30 uses iron-carbon micro-electrolysis material,
Filler thickness 50-200mm.
Using the flue gas purifying equipment of small scall coal-fired boiler of the present invention, it is as follows to carry out flue gas purifying technique step：
A. pH value 3.5-4.5 acidic liquids are loaded in collecting-tank 4；
B. start water circulating pump 5, acidic liquid is sprayed by spray head 6 to iron-carbon micro-electrolysis material 30；
C. coal-fired flue-gas is blasted cylindric cylinder 2 by air blower 1, and coal-fired flue-gas passes through each layer iron-carbon micro-electrolysis filler from bottom to top
30, sulfureous in flue gas, nitre, mercury composition and adsorbed acidic liquid iron-carbon micro-electrolysis material 30 produce micro-electrolysis reaction, reactant
Finally in the case where spraying water wash, collect and focused in the bottom of collecting-tank 4, periodically discharge；The flue gas being cleaned is from cylindric cylinder
The upper surface central cylinder exhaust outlet 13 of body 2 is discharged.
Claims (2)
- A kind of 1. flue gas purifying equipment of small scall coal-fired boiler, by smoke filtration assembly（20）With filler（30）Form, its feature It is smoke filtration assembly（20）By air blower（1）, fan inlet（14）, cylindric cylinder（2）, cylindric cylinder air inlet （12）, cylindric cylinder exhaust outlet（13）, apertured partition（3）, collecting-tank（4）, water circulating pump（5）, spray head（6）, outlet pipe (7) supply mains (8), is sprayed, threeway (9) is formed with shower water branch pipe (11), the high uniformity installation such as cylindric cylinder (2) Inner portions There is 4-20 layers apertured partition (3), collecting-tank (4), the connection water outlet of collecting-tank (4) middle part right side are arranged at cylindric cylinder (2) Inner bottoms (7) one end is managed, outlet pipe (7) other end connection water circulating pump (5) water inlet, it is total that water circulating pump (5) delivery port couples shower water Manage (8), spray supply mains (8) other end closing, spray supply mains (8) one a pair in quantity and position with apertured partition (3) Threeway (9) should be housed, installation is stretched into cylindric cylinder (2) the Inner portions space separated by each apertured partition (3) by threeway (9) Shower water branch pipe (11), 2-6 spray head (6) is installed on every shower water branch pipe (11)；In cylindric cylinder (2) bottom, Collecting-tank (4) water surface is equipped with cylindric cylinder air inlet (12), cylindric cylinder air inlet (12) and air blower (1) with upper left side Gas outlet is coupled by pipeline, fan inlet (14), is coupled by pipeline with coal-burning boiler outlet flue；In cylindric cylinder (2) upper surface center is provided with cylindric cylinder exhaust outlet (13)；Filler (30) is uniformly deposited on each layer apertured partition (3), is filled out Material (30) uses iron-carbon micro-electrolysis material, filler thickness 50-200mm.
- 2. a kind of flue gas purifying equipment of small scall coal-fired boiler using claim 1, gas cleaning is carried out, it is characterized in that including Following processing step：A. pH value 3.5-4.5 acidic liquids are loaded in collecting-tank (4)；B. start water circulating pump (5), acidic liquid is sprayed by spray head (6) to iron-carbon micro-electrolysis material (30)；C. coal-fired flue-gas is blasted cylindric cylinder (2) by air blower (1), and coal-fired flue-gas passes through each layer iron-carbon micro-electrolysis from bottom to top Filler (30), sulfureous in flue gas, nitre, mercury composition and iron-carbon micro-electrolysis material (30) the generation light electrolysis for having adsorbed acidic liquid are anti- Should, reactant finally in the case where spraying water wash, is collected and focused in collecting-tank (4) bottom, periodically discharge;The flue gas being cleaned Discharged from cylindric cylinder (2) upper surface central cylinder exhaust outlet (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334316.4A CN107824021A (en) | 2017-12-14 | 2017-12-14 | The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711334316.4A CN107824021A (en) | 2017-12-14 | 2017-12-14 | The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler |
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| CN107824021A true CN107824021A (en) | 2018-03-23 |
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| CN201711334316.4A Pending CN107824021A (en) | 2017-12-14 | 2017-12-14 | The flue gas purifying equipment and technique of a kind of small scall coal-fired boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479372A (en) * | 2018-04-23 | 2018-09-04 | 泰山学院 | A kind of denitration of boiler smoke dust-extraction unit and its application method |
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| CN101474527A (en) * | 2008-12-31 | 2009-07-08 | 黄立维 | Method for absorption treatment of noxious exhaust gas by electrochemistry method |
| CN101745304A (en) * | 2009-10-19 | 2010-06-23 | 华中农业大学 | Method for removing NO and SO2 from environment pollution emissions |
| CN202061545U (en) * | 2011-04-27 | 2011-12-07 | 李伟东 | Flue gas condensing and dust removing absorber |
| CN102872702A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Method for purifying harmful waste gas by combination of absorption and microelectrolysis and special device thereof |
| CN102872703A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Device and process for purifying harmful gas through combining gas-liquid absorption with micro-electrolysis |
| CN202962248U (en) * | 2012-10-03 | 2013-06-05 | 黄立维 | Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis |
| CN206474011U (en) * | 2016-11-07 | 2017-09-08 | 广州市泓耀环保工程有限公司 | A kind of organic exhaust gas microelectrolysis processing technology |
-
2017
- 2017-12-14 CN CN201711334316.4A patent/CN107824021A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101474527A (en) * | 2008-12-31 | 2009-07-08 | 黄立维 | Method for absorption treatment of noxious exhaust gas by electrochemistry method |
| CN101745304A (en) * | 2009-10-19 | 2010-06-23 | 华中农业大学 | Method for removing NO and SO2 from environment pollution emissions |
| CN202061545U (en) * | 2011-04-27 | 2011-12-07 | 李伟东 | Flue gas condensing and dust removing absorber |
| CN102872702A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Method for purifying harmful waste gas by combination of absorption and microelectrolysis and special device thereof |
| CN102872703A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Device and process for purifying harmful gas through combining gas-liquid absorption with micro-electrolysis |
| CN202962248U (en) * | 2012-10-03 | 2013-06-05 | 黄立维 | Device for purifying harmful waste gas by gas and liquid absorption and microelectrolysis |
| CN206474011U (en) * | 2016-11-07 | 2017-09-08 | 广州市泓耀环保工程有限公司 | A kind of organic exhaust gas microelectrolysis processing technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108479372A (en) * | 2018-04-23 | 2018-09-04 | 泰山学院 | A kind of denitration of boiler smoke dust-extraction unit and its application method |
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Application publication date: 20180323 |