CN106224995A - A kind of high temperature flue-gas from boiler purifier and purification method thereof - Google Patents
A kind of high temperature flue-gas from boiler purifier and purification method thereof Download PDFInfo
- Publication number
- CN106224995A CN106224995A CN201610598347.XA CN201610598347A CN106224995A CN 106224995 A CN106224995 A CN 106224995A CN 201610598347 A CN201610598347 A CN 201610598347A CN 106224995 A CN106224995 A CN 106224995A
- Authority
- CN
- China
- Prior art keywords
- gas
- boiler
- high temperature
- temperature flue
- type absorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/102—Intercepting solids by filters electrostatic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of high temperature flue-gas from boiler purifier and purification method thereof, including base, boiler heat-exchanger, type absorption purification tower, type absorption purification tower is followed successively by filter chamber from bottom to top, water-bath chamber and electrostatic precipitation room, the side of type absorption purification tower is provided with a sewage draining exit, the top of type absorption purification tower is provided with an exhanst gas outlet, the top of type absorption purification tower is additionally provided with control system, water-bath intracavity is provided with some shower nozzles and connects inlet channel, it is symmetrically arranged with multiple fixed mount in filter chamber and fixes some fibrous nodules, the mutually extruding in the limited space that multiple fixed mounts surround of some fibrous nodules is formed fixing.The present invention simplifies cleaning equipment and purification method, gradually purifying smoke by the way of fibre-ball filtration, electrostatic precipitation and water-bath, effectively reduce after purification the content of dust in flue gas, clean-up effect is notable, and easily realize backwash, it is simple to cleaning, tower wall is the most perishable, reduce cost to put into, workable.
Description
Technical field
The present invention relates to boiler flue gas purification technical field, especially related to a kind of high temperature flue-gas from boiler purifier and
Its purification method.
Background technology
Flue gas is the mixture of gas and flue dust, is the main cause of atmosphere pollution.In the industrial production, industrial smoke exists
All have to be through the step purified before discharge or recycling.When processing high-temperature flue gas, especially boiler smoke, have
Time flue gas temperature be up to several Baidu, may result in Cress equipment thermal wear, thus cause maintenance of equipment cost
Input relatively big, deficiency in economic performance.
At present, owing to fibrous nodules has that filtering velocity is fast, retaining power big and the outstanding advantages such as good filtration effect, only
Change field is widely used.But in actual use, fibrous nodules can be caused to rock when flue gas flow, pressure oscillation.
Rocking of fibrous nodules can easily cause fibrous nodules abrasion, makes fibrous nodules normally to work, whole purification can be caused time serious to set
For cannot normally work.And the clean-up effect of conventional purification apparatus is general, device structure is complicated, and energy resource consumption is big, it is difficult to full
The theory of foot Modern Green environmental protection.
Therefore, in order to solve the problem of above-mentioned existence, spy of the present invention provides a kind of new technical scheme.
Summary of the invention
It is an object of the invention to provide and a kind of improved gas cleaning efficiency, reduce cost and the high boiler of operability
High-temperature smoke purifier and purification method thereof.
The present invention is directed to above-mentioned technological deficiency be the technical scheme is that
A kind of high temperature flue-gas from boiler purifier, including base and be arranged on the boiler heat-exchanger on described base, absorb clean
Changing tower, the input of described boiler heat-exchanger connects boiler flue, and the outfan of described boiler heat-exchanger connects type absorption purification tower
The gas approach of bottom, described type absorption purification tower is followed successively by filter chamber, water-bath chamber and electrostatic precipitation room, described absorption from bottom to top
The side of purifying column is provided with a sewage draining exit, and the top of described type absorption purification tower is provided with an exhanst gas outlet, described absorption cleaning
The top of tower is additionally provided with control system, and described water-bath intracavity is provided with some shower nozzles and connects inlet channel, in described filter chamber
It is symmetrically arranged with multiple fixed mount and fixes some fibrous nodules, the limited space internal phase that some fibrous nodules are surrounded at multiple fixed mounts
Extruding is formed fixing mutually.
Further, described electrostatic precipitation indoor are symmetrically arranged with one group of electrostatic retainer.
Further, a diameter of 65-80mm of the fibrous nodules in described filter chamber, the distribution density of fibrous nodules is 5-15
mg/cm3 。
Further, each fibrous nodules is formed by modified fibre bundle ligation.
Further, described fibre bundle is the mixture of carbon fiber, polyster fibre, described carbon fiber and polyster fibre content
Ratio be 1:2.5-3.5.
Further, the preparation technology of described fibrous nodules includes that fibre bundle draws stretching, thermal finalization, curling, shredding, ligation
Deng.
Further, the tower wall of described type absorption purification tower is coated with polytetrafluorethylecoatings coatings.
It is a further object of the present invention to provide a kind of high temperature flue-gas from boiler purification method, comprise the steps:
A: the high-temperature flue gas discharged by boiler flue carries out heat exchange through boiler heat-exchanger and coolant body；
B: the flue gas of cooling is imported type absorption purification tower from below to up and purifies；
C: flue gas flows through filter chamber, water-bath chamber and electrostatic precipitation room successively, and some fibrous nodules adsorption filtrations fall in flue gas bigger
The dust of grain, and carry out settling blowdown under gravity, then implement electrostatic precipitation by electrostatic retainer, grit is assembled heavy
Drop to water-bath room, by spray, dust is dissolved in water.
D: the flue gas after purification finally exports from exhanst gas outlet.
Further, the backwash step of fibrous nodules is: carried out fibrous nodules instead by shower nozzle spray at backwash water source
Rinse, after backwash terminates, sewage is discharged from sewage draining exit.
The invention has the beneficial effects as follows: the present invention simplifies cleaning equipment and purification method, removed by fibre-ball filtration, electrostatic
The mode of dirt and water-bath gradually purifying smoke, effectively reduces after purification the content of dust in flue gas, and clean-up effect is notable,
And easily realize backwash, it is simple to cleaning, tower wall is the most perishable, reduces cost and puts into, workable.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention
Wherein: 1, base, 2, boiler heat-exchanger, 3, type absorption purification tower, 4, gas approach, 5, filter chamber, 6, water-bath chamber, 7, quiet
Electric precipitation room, 8, sewage draining exit, 9, exhanst gas outlet, 10, control system, 11, shower nozzle, 12, inlet channel, 13, fixed mount, 14, fine
Dimension ball, 15, electrostatic retainer.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, is not intended that the restriction to protection scope of the present invention.
Embodiment 1
A kind of high temperature flue-gas from boiler purifier as shown in Figure 1, including base 1 and be arranged on the boiler heat exchange on base 1
Device 2, type absorption purification tower 3, the input of boiler heat-exchanger 2 connects boiler flue, and it is clean that the outfan of boiler heat-exchanger 2 connects absorption
Changing the gas approach 4 of tower bottom 3, type absorption purification tower 3 is followed successively by filter chamber 5, water-bath chamber 6 and electrostatic precipitation room 7 from bottom to top, inhales
The side receiving purifying column 3 is provided with a sewage draining exit 8, and the top of type absorption purification tower 3 is provided with an exhanst gas outlet 9, type absorption purification tower 3
Top be additionally provided with control system 10, be provided with some shower nozzles 11 in water-bath chamber 6 and connect inlet channel 12, right in filter chamber 5
Claim to be provided with multiple fixed mount 13 and fix some fibrous nodules 14, the limited sky that some fibrous nodules 14 are surrounded at multiple fixed mounts 13
Interior mutually extruding is formed fixing.
In the present embodiment, in electrostatic precipitation room 7, it is symmetrically arranged with one group of electrostatic retainer 15, in order to persistently to keep electricity
Power, carries out electric collecting concentrating ionization, strengthens dynamics and the effect of electrostatic precipitation.
In the present embodiment, a diameter of 65-80mm of the fibrous nodules 14 in filter chamber 5, the distribution density of fibrous nodules 14 is
5-15 mg/cm3, larger-diameter fibrous nodules 14 is gathered in filter chamber 5, between shortening between fibrous nodules 14 as far as possible
Away from, reduce the inhomogeneities in smoke filtration face.
In the present embodiment, each fibrous nodules 14 is formed by modified fibre bundle ligation, and wherein, fibre bundle is that carbon is fine
Dimension, the mixture of polyster fibre, the ratio of carbon fiber and polyster fibre content is 1:2.5-3.5, the preparation technology bag of fibrous nodules
Include fibre bundle traction stretching, thermal finalization, curling, shredding, ligation etc., have that specific surface area is big, voidage is high, good filtration effect with
And the outstanding advantages easily rinsed.
In the present embodiment, the tower wall of type absorption purification tower 3 is coated with polytetrafluorethylecoatings coatings, reduces acid in flue gas
Matter causes the degree of tower wall erosion, improves service life.
Embodiment 2
A kind of high temperature flue-gas from boiler purification method, comprises the steps:
A: the high-temperature flue gas discharged by boiler flue carries out heat exchange through boiler heat-exchanger and coolant body；
B: the flue gas of cooling is imported type absorption purification tower from below to up and purifies；
C: flue gas flows through filter chamber, water-bath chamber and electrostatic precipitation room successively, and some fibrous nodules adsorption filtrations fall in flue gas bigger
The dust of grain, and carry out settling blowdown under gravity, then implement electrostatic precipitation by electrostatic retainer, grit is assembled heavy
Drop to water-bath room, by spray, dust is dissolved in water.
D: the flue gas after purification finally exports from exhanst gas outlet.
In the present embodiment, the backwash step of fibrous nodules is: entered fibrous nodules by shower nozzle spray at backwash water source
Row backwash, after backwash terminates, discharges sewage from sewage draining exit, easily realizes backwash, it is simple to clean.
The invention has the beneficial effects as follows: the present invention simplifies cleaning equipment and purification method, removed by fibre-ball filtration, electrostatic
The mode of dirt and water-bath gradually purifying smoke, effectively reduces after purification the content of dust in flue gas, and clean-up effect is notable,
Reduce cost to put into, workable.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a high temperature flue-gas from boiler purifier, including base and be arranged on the boiler heat-exchanger on described base, absorption
Purifying column, it is characterised in that: the input of described boiler heat-exchanger connects boiler flue, and the outfan of described boiler heat-exchanger is even
Connecing the gas approach of absorption cleaning tower bottom, described type absorption purification tower is followed successively by filter chamber, water-bath chamber and electrostatic from bottom to top and removes
Dirt room, the side of described type absorption purification tower is provided with a sewage draining exit, and the top of described type absorption purification tower is provided with an exhanst gas outlet,
The top of described type absorption purification tower is additionally provided with control system, and described water-bath intracavity is provided with some shower nozzles and connects inlet channel,
Being symmetrically arranged with multiple fixed mount in described filter chamber and fix some fibrous nodules, some fibrous nodules are having that multiple fixed mounts surround
In the space of limit, mutually extruding is formed fixing.
A kind of high temperature flue-gas from boiler purifier the most according to claim 1, it is characterised in that: described electrostatic precipitation is indoor
It is symmetrically arranged with one group of electrostatic retainer.
A kind of high temperature flue-gas from boiler purifier the most according to claim 1, it is characterised in that: the fibre in described filter chamber
A diameter of 65-80mm of dimension ball, the distribution density of fibrous nodules is 5-15 mg/cm3 。
A kind of high temperature flue-gas from boiler purifier the most according to claim 1, it is characterised in that: each fibrous nodules is by changing
Property fibre bundle ligation form.
A kind of high temperature flue-gas from boiler purifier the most according to claim 4, it is characterised in that: described fibre bundle is that carbon is fine
Dimension, the mixture of polyster fibre, the ratio of described carbon fiber and polyster fibre content is 1:2.5-3.5.
A kind of high temperature flue-gas from boiler purifier the most according to claim 4, it is characterised in that: the preparation of described fibrous nodules
Technique includes fibre bundle traction stretching, thermal finalization, curling, shredding, ligation etc..
A kind of high temperature flue-gas from boiler purifier the most according to claim 1, it is characterised in that: described type absorption purification tower
It is coated with polytetrafluorethylecoatings coatings on tower wall.
8. a high temperature flue-gas from boiler purification method, it is characterised in that: comprise the steps:
A: the high-temperature flue gas discharged by boiler flue carries out heat exchange through boiler heat-exchanger and coolant body；
B: the flue gas of cooling is imported type absorption purification tower from below to up and purifies；
C: flue gas flows through filter chamber, water-bath chamber and electrostatic precipitation room successively, and some fibrous nodules adsorption filtrations fall in flue gas bigger
The dust of grain, and carry out settling blowdown under gravity, then implement electrostatic precipitation by electrostatic retainer, grit is assembled heavy
Drop to water-bath room, by spray, dust is dissolved in water.
9.d: the flue gas after purification finally exports from exhanst gas outlet.
A kind of high temperature flue-gas from boiler purification method the most according to claim 7, it is characterised in that: the backwash of fibrous nodules
Step is: to fibrous nodules, backwash water source is carried out backwash, after backwash terminates, by sewage from sewage draining exit by shower nozzle spray
Discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598347.XA CN106224995A (en) | 2016-07-27 | 2016-07-27 | A kind of high temperature flue-gas from boiler purifier and purification method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598347.XA CN106224995A (en) | 2016-07-27 | 2016-07-27 | A kind of high temperature flue-gas from boiler purifier and purification method thereof |
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| CN106224995A true CN106224995A (en) | 2016-12-14 |
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| CN201610598347.XA Pending CN106224995A (en) | 2016-07-27 | 2016-07-27 | A kind of high temperature flue-gas from boiler purifier and purification method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036333A (en) * | 2017-12-14 | 2018-05-15 | 佛山市天宇鸿图创新科技有限公司 | A kind of novel environment friendly combustion apparatus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0188853A1 (en) * | 1985-01-04 | 1986-07-30 | A C S Milieutechniek bv | Process and apparatus for purifying the air from a cremation furnace |
| CN2771695Y (en) * | 2005-02-01 | 2006-04-12 | 张民英 | Kitchen fume purifying processor |
| CN201438041U (en) * | 2009-07-02 | 2010-04-14 | 高碑店市双久锅炉制造有限公司 | Reversal combustion boiler with moving water tube grate |
| CN203082861U (en) * | 2013-02-01 | 2013-07-24 | 何柏生 | Boiler pipe convenient to wash |
| CN105003926A (en) * | 2015-06-29 | 2015-10-28 | 张荣华 | Dust removal and denitration and waste heat recovery device for flue of boiler |
| CN105169872A (en) * | 2015-10-09 | 2015-12-23 | 东南大学 | Device and method for flue gas cleaning by combining impact agglomeration wet dust collector with wet electric dust collector |
| CN105194960A (en) * | 2015-08-27 | 2015-12-30 | 常州大学 | Integrated treatment device for removing PM2.5 and heavy metal particulate matter in exhaust gas |
| CN205146443U (en) * | 2015-11-24 | 2016-04-13 | 湖北净天环保设备有限公司 | Electrostatic precipitator's scale removal scrubbing device |
-
2016
- 2016-07-27 CN CN201610598347.XA patent/CN106224995A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0188853A1 (en) * | 1985-01-04 | 1986-07-30 | A C S Milieutechniek bv | Process and apparatus for purifying the air from a cremation furnace |
| CN2771695Y (en) * | 2005-02-01 | 2006-04-12 | 张民英 | Kitchen fume purifying processor |
| CN201438041U (en) * | 2009-07-02 | 2010-04-14 | 高碑店市双久锅炉制造有限公司 | Reversal combustion boiler with moving water tube grate |
| CN203082861U (en) * | 2013-02-01 | 2013-07-24 | 何柏生 | Boiler pipe convenient to wash |
| CN105003926A (en) * | 2015-06-29 | 2015-10-28 | 张荣华 | Dust removal and denitration and waste heat recovery device for flue of boiler |
| CN105194960A (en) * | 2015-08-27 | 2015-12-30 | 常州大学 | Integrated treatment device for removing PM2.5 and heavy metal particulate matter in exhaust gas |
| CN105169872A (en) * | 2015-10-09 | 2015-12-23 | 东南大学 | Device and method for flue gas cleaning by combining impact agglomeration wet dust collector with wet electric dust collector |
| CN205146443U (en) * | 2015-11-24 | 2016-04-13 | 湖北净天环保设备有限公司 | Electrostatic precipitator's scale removal scrubbing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036333A (en) * | 2017-12-14 | 2018-05-15 | 佛山市天宇鸿图创新科技有限公司 | A kind of novel environment friendly combustion apparatus |
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