CN108579303A - A kind of boiler smoke particle purifying device and method - Google Patents
A kind of boiler smoke particle purifying device and method Download PDFInfo
- Publication number
- CN108579303A CN108579303A CN201810540610.9A CN201810540610A CN108579303A CN 108579303 A CN108579303 A CN 108579303A CN 201810540610 A CN201810540610 A CN 201810540610A CN 108579303 A CN108579303 A CN 108579303A
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- tower body
- flue gas
- swirl
- boiler smoke
- boiler
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- 239000002245 particle Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000000779 smoke Substances 0.000 title claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003546 flue gas Substances 0.000 claims abstract description 57
- 238000000746 purification Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000013618 particulate matter Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 244000144985 peep Species 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 16
- 239000002028 Biomass Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000003517 fume Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chimneys And Flues (AREA)
Abstract
A kind of boiler smoke particle purifying device and method, belong to boiler plant technical field, for being purified to boiler smoke.Its technical solution is：Purifier is made of upper tower body and lower tower body two parts, and installation center pipe is sprayed in lower tower body, and the partial particulate in flue gas is removed, and upper tower body installs multiple swirl cylinders, remaining flue gas particle is purged.The present invention has the characteristics that simple in structure, easy for installation, small, energy adapted biomass boiler smoke characteristic very well, is the new equipment of existing biological boiler gas cleaning.The present invention is the pioneering of boiler flue gas purification processing, wet dedusting is combined with dry method dust, utilize gas, liquid, solid three-phase adhesion principles and inertial dust collection principle, the pre- dedusting of wet method is first passed around, then into the design method of eddy flow deep-purification dedusting using flue gas, finally so that discharged gas fume particle content is greatly reduced, the problem of biomass boiler flue gas pollutant discharges has been well solved.
Description
Technical field
The present invention relates to a kind of device and method of boiler smoke particle purifying, belong to boiler plant technical field.
Background technology
The method administered at present applied to boiler smoke particulate matter mainly has bag-type dust, electric precipitation, gravitational dust collection and washes
Wash away four class method of dirt.Method being most widely used with bag-type dusting that particulate matter is administered wherein in biomass boiler flue gas.
For biomass boiler mainly using biomass energy as fuel, flue gas has the characteristics that complicated component, dust are subtle, dustiness is big.It passes
Though system bag-type dust can make dust emission have certain reduction by the method for overlay film, limited by bag-type dust itself, still
It is difficult so that particle concentration is further to be reduced to exporting.
Up to the present, for this feature of biomass boiler flue gas, there are one ripe particle purifying dresses
It sets and method, every technology is still in the exploratory stage.
Invention content
It is this net technical problem to be solved by the invention is to provide a kind of boiler smoke particle purifying device and method
Change the flue gas particles purification that device and method can be applied to biomass boiler, can well solve in biomass boiler
The grain problem that object content is big, particulate matter is tiny realizes the purpose for carrying out particulate matter dedusting under severe conditions.
Solving the technical solution of above-mentioned technical problem is：
A kind of boiler smoke particle purifying device, it is made of pedestal, lower tower body, upper tower body, chimney, lower tower body and pedestal phase
Connection, upper tower body are connected to above lower tower body, and there is air inlet in lower tower body lower end, vertical central tube is equipped in lower tower body, in
The lower part of heart pipe is connected with aqueduct, and central tube is evenly distributed in spray apertures, and multiple swirl cylinders are equipped in upper tower body,
Swirl cylinder is disposed vertically, and multiple swirl cylinders are mutually parallel intensive laying in the chamber of upper tower body, and there is outer row in the upper end of upper tower body
Mouth is connected with chimney.
Above-mentioned boiler smoke particle purifying device, the lower end of the central tube are connected with fixed link and adjusting rod, Gu
The lower end of central tube is fixed on the bottom surface of lower tower body by fixed pole, and the front end of adjusting rod is connected with the water inlet of central tube.
Above-mentioned boiler smoke particle purifying device has peep pole, manhole in the tower wall of the lower tower body respectively.
Above-mentioned boiler smoke particle purifying device, the swirl cylinder are kept off by eddy flow barrel, blind plate, swirl vane, taper
Board group is at for blind plate at the center of swirl cylinder, swirl vane is looped around the circumference of blind plate, outer end and the eddy flow barrel phase of swirl vane
Connection, it is conical baffled positioned at the lower end of blind plate.
Above-mentioned boiler smoke particle purifying device has water fender above the swirl cylinder, has collection below swirl cylinder
Sink.
A method of boiler smoke particulate burning purifying being carried out using above-mentioned apparatus, it is carried out using following steps：
A. boiler smoke enters from the air inlet of lower tower body in lower tower body, and inlet air flow speed is 12-14m/s；
B. process water is sprayed from spray apertures in misty by central tube, the minimum 0.2MPa of pressure of supply water, process water injecting time
15s suspends 15s, so moves in circles later, water content consumption 5m3/ h, the particulate matter in the spray water and flue gas that eject are mutual
Package, the water containing flue gas particle are fallen in lower tower body bottom surface, remove the partial particulate object in flue gas；
C. entrainment portions steam continues to go upward to the lower end of tower body with particulate matter, into the swirl cylinder of upper tower body；
D. enter swirl cylinder flue gas swirl vane directional stream-guidance effect under in the gradual uplink of eddy flow barrel, flue gas scanning frequency
Degree is 3.5m/s-4m/s, and due to the acceleration of swirl cylinder, swirl velocity of the flue gas in swirl cylinder is 17m/s-18m/s,
By centrifuging force effect during the uplink and eddy flow of high speed, the particulate matter and droplet carried secretly in flue gas are removed simultaneously,
Grain object and droplet is along eddy flow barrel downlink, unified discharge after being collected at catch basin, after purification flue gas by water fender through outer row
The velocity of flue gas of mouth discharge, discharge is 11m/s-12m/s.
The beneficial effects of the invention are as follows：
The boiler smoke particulate burning purifying device of the present invention is made of upper tower body and lower tower body two parts, installation center pipe in lower tower body
It is sprayed, the partial particulate in flue gas is removed, upper tower body installs multiple swirl cylinders, remaining flue gas particle is carried out clear
It removes, achievees the purpose that thoroughly remove flue gas particle.
The present invention boiler smoke particle purifying device have it is simple in structure, easy for installation, small, can adapt to very well
The characteristics of biomass boiler flue gas characteristic is the new equipment of existing biological boiler gas cleaning.
The present invention is the pioneering of boiler flue gas purification processing, and wet dedusting is combined with dry method dust, using air-liquid,
Gu three-phase adhesion principles and inertial dust collection principle first pass around the pre- dedusting of wet method, net then into eddy flow depth using flue gas
The design method of dirt is eliminated, finally so that discharged gas fume particle content is greatly reduced, has well solved life
The problem of substance smoke pollution of boiler object discharges is worth in industry promoting and applying.
Description of the drawings
Fig. 1 is the structural schematic diagram of the boiler smoke particle purifying device of the present invention；
Fig. 2 is the swirl cylinder arrangement schematic diagram of upper tower body；
Fig. 3 is a swirl cylinder parts transversely section plan view in upper tower body.
It is marked in figure as follows：Pedestal 1, upper tower body 3, chimney 4, air inlet 5, central tube 6, spray apertures 7, is fixed lower tower body 2
It is bar 8, adjusting rod 9, peep pole 10, manhole 11, swirl cylinder 12, water fender 13, outer row mouthfuls 14, catch basin 15, eddy flow barrel 16, blind
Plate 17, swirl vane 18, conical baffled 19, tower wall 20.
Specific implementation mode
The boiler smoke particle purifying device of the present invention is made of pedestal 1, lower tower body 2, upper tower body 3, chimney 4.
Fig. 1 shows that lower tower body 2 is connected with pedestal 1, and upper tower body 3 is connected to 2 top of lower tower body, and the upper end of upper tower body 3 connects
Cigarette receiving chimney 4.
Fig. 1 shows that lower 2 lower end of tower body has air inlet 5, boiler smoke to enter in lower tower body 2 from air inlet 5.In lower tower body 2
Vertical central tube 6 is installed, the lower part of central tube 6 is connected with aqueduct, and central tube 6 is evenly distributed in spray apertures 7.
Water is sprayed from spray apertures 7 in misty by central tube 6, removes flue gas particle.
Fig. 1 shows that the lower end of central tube 6 is connected with fixed link 8 and adjusting rod 9, and fixed link 8 is by the lower end of central tube 6
It is fixed on the bottom surface of lower tower body 2, the front end of adjusting rod 9 is connected with the water inlet of central tube 6.Adjusting rod 9 can be to central tube 6
Minor adjustment is carried out, so that water is sprayed with droplet state, 6 wet dust removal region of entire central tube is covered, to flue gas therethrough
Play the effect of preliminary removal particulate matter.
Fig. 1 shows there is peep pole 10, manhole 11 in the tower wall 20 of lower tower body 2 respectively.Inspection is provided with above adjusting rod 9
Depending on 10 holes, for observing 6 situation of central tube, it is provided with manhole 11 above the tower wall 20 of lower tower body 2, for being removed to central tube 6
It is observed and is overhauled in dirt region.
Fig. 1,2 are shown, are equipped with multiple swirl cylinders 12 in upper tower body 3, swirl cylinder 12 is disposed vertically, and multiple swirl cylinders 12 exist
Be mutually parallel intensive laying in the chamber of upper tower body 3, and eddy flow purifying and dedusting is carried out to flue gas.
Fig. 1 shows that, preferably to intercept the moisture in flue gas uplink, there are water fender 13, swirl cylinder in the top of swirl cylinder 12
There is catch basin 15 in 12 lower section.Particulate matter in flue gas, along 16 downlink of eddy flow barrel, is united with droplet after being collected by catch basin 15
One discharge, flue gas is discharged by water fender 13 through outer row mouthful 14 after purification.
Fig. 1,3 displays, swirl cylinder 12 are made of eddy flow barrel 16, blind plate 17, swirl vane 18, conical baffled 19, blind plate
17 at the center of swirl cylinder 12, and swirl vane 18 is looped around the circumference of blind plate 17, outer end and the eddy flow barrel 16 of swirl vane 18
It is connected, conical baffled 19 are located at the lower end of blind plate 17.
Swirl vane can be increased flue gas swirl channel, be made cigarette using the arrangement for overlapping nested type, this arrangement
Cyclonic current is enhanced, and rotational flow dust-removing efficiency is improved.
As seen from Figure 3, the wherein sides swirl vane Aa are upper, and swirl vane A1a1 is under for the arrangement.This cloth
The mode of setting can increase flue gas swirl channel, and flue gas eddy flow is made to be enhanced, and improve rotational flow dust-removing effect.
The method of the boiler smoke particulate burning purifying of the present invention, it is carried out using following steps：
E. boiler smoke enters from the air inlet 5 of lower tower body 2 in lower tower body 2, and inlet air flow speed is 12-14m/s；
F. process water is sprayed from spray apertures 7 in misty by central tube 6, the minimum 0.2MPa of pressure of supply water, process water injecting time
15s suspends 15s, so moves in circles later, water content consumption 5m3/ h, the particulate matter in the spray water and flue gas that eject are mutual
Package, the water containing flue gas particle are fallen in 2 bottom surface of lower tower body, remove the partial particulate object in flue gas；
G. entrainment portions steam continues to go upward to the lower end of tower body 3 with particulate matter, into the swirl cylinder 12 of upper tower body 3；
H. enter swirl cylinder 12 flue gas swirl vane 18 directional stream-guidance effect under along 16 gradual uplink of eddy flow barrel, flue gas
Speed uplink is 3.5m/s-4m/s, and due to the acceleration of swirl cylinder 12, swirl velocity of the flue gas in swirl cylinder 12 is 17m/
S-18m/s, by centrifuging force effect during the uplink of high speed and eddy flow, the particulate matter and droplet carried secretly in flue gas obtain together
When remove, particulate matter and droplet are along 16 downlink of eddy flow barrel, and unified discharge after being collected at catch basin 15, flue gas passes through after purification
Water fender 13 is discharged through outer row mouthful 14, and the velocity of flue gas of discharge is 11m/s-12m/s.
The present invention solves biomass boiler flue gas particles emission problem, realizes biomass boiler flue gas particles
Advanced treating.
The invention has the characteristics that：
Wet dust removal is combined by the present invention with dry method dust, using gas, liquid, solid three-phase adhesion principles and inertial dust collection principle,
The advantages of comprehensive wet dust removal and dry method dust, efficient removal is carried out to biomass boiler flue gas particles.
The present invention first passes around the pre- dedusting of wet method, then into the design side of eddy flow deep-purification dedusting using flue gas
Formula avoids the chimney rain phenomenon for being typically due to be related to wet dedusting process and generating.
Using the arrangement for overlapping nested type, this arrangement can increase swirl vane in the swirl cylinder of the present invention
Flue gas swirl channel makes flue gas eddy flow be enhanced, and improves rotational flow dust-removing efficiency.
Claims (6)
1. a kind of boiler smoke particle purifying device, it is characterised in that：It is by pedestal（1）, lower tower body（2）, upper tower body（3）、
Chimney（4）Composition, lower tower body（2）With pedestal（1）It is connected, upper tower body（3）It is connected to lower tower body（2）Top, lower tower body（2）Under
There is air inlet at end（5）, lower tower body（2）Vertical central tube is inside installed（6）, central tube（6）Lower part be connected with aqueduct
It connects, central tube（6）Be evenly distributed in spray apertures（7）, upper tower body（3）Multiple swirl cylinders are inside installed（12）, swirl cylinder（12）
It is disposed vertically, multiple swirl cylinders（12）In upper tower body（3）Chamber in be mutually parallel intensive laying, upper tower body（3）Upper end have
Outer row mouthful（14）With chimney（4）It is connected.
2. boiler smoke particle purifying device according to claim 1, it is characterised in that：The central tube（6）Under
End and fixed link（8）And adjusting rod（9）It is connected, fixed link（8）By central tube（6）Lower end be fixed on lower tower body（2）Bottom
On face, adjusting rod（9）Front end and central tube（6）Water inlet be connected.
3. boiler smoke particle purifying device according to claim 2, it is characterised in that：The lower tower body（2）Tower
Wall（20）It is upper to have peep pole respectively（10）, manhole（11）.
4. boiler smoke particle purifying device according to claim 3, it is characterised in that：The swirl cylinder（12）By revolving
Flow cartridge wall（16）, blind plate（17）, swirl vane（18）, it is conical baffled（19）Composition, blind plate（17）In swirl cylinder（12）Center,
Swirl vane（18）It is looped around blind plate（17）Circumference, swirl vane（18）Outer end and eddy flow barrel（16）It is connected, taper
Baffle（19）Positioned at blind plate（17）Lower end.
5. boiler smoke particle purifying device according to claim 4, it is characterised in that：The swirl cylinder（12）It is upper
There is water fender in side（13）, swirl cylinder（12）Lower section have catch basin（15）.
6. a kind of method carrying out boiler smoke particulate burning purifying using above-mentioned apparatus, it is carried out using following steps：
A. boiler smoke is from lower tower body（2）Air inlet（5）Into lower tower body（2）Interior, inlet air flow speed is 12-14m/s；
B. process water passes through central tube（6）From spray apertures（7）It is sprayed in mist, the minimum 0.2MPa of pressure of supply water, technique water injection
Time 15s suspends 15s, so moves in circles later, water content consumption 5m3/ h, the particulate matter in the spray water and flue gas that eject
Mutually package, the water containing flue gas particle are fallen in lower tower body（2）Bottom surface removes the partial particulate object in flue gas；
C. entrainment portions steam continues to go upward to tower body with particulate matter（3）Lower end, into upper tower body（3）Swirl cylinder（12）
It is interior；
D. enter swirl cylinder（12）Flue gas in swirl vane（18）Directional stream-guidance effect under along eddy flow barrel（16）On gradually
Row, flue gas speed uplink is 3.5m/s-4m/s, due to swirl cylinder（12）Acceleration, flue gas is in swirl cylinder（12）In rotation
Flow velocity degree is 17m/s-18m/s, by centrifuging force effect, the particulate matter carried secretly in flue gas during the uplink of high speed and eddy flow
It is removed simultaneously with droplet, particulate matter is with droplet along eddy flow barrel（16）Downlink, in catch basin（15）Place unified row after collecting
Go out, flue gas passes through water fender after purification（13）Through outer row mouthful（14）The velocity of flue gas of discharge, discharge is 11m/s-12m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540610.9A CN108579303A (en) | 2018-05-30 | 2018-05-30 | A kind of boiler smoke particle purifying device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540610.9A CN108579303A (en) | 2018-05-30 | 2018-05-30 | A kind of boiler smoke particle purifying device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108579303A true CN108579303A (en) | 2018-09-28 |
Family
ID=63630277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810540610.9A Pending CN108579303A (en) | 2018-05-30 | 2018-05-30 | A kind of boiler smoke particle purifying device and method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750172A (en) * | 2019-03-20 | 2019-05-14 | 中南大学 | A kind of combined type dust arrester and copper bottom blowing smelting equipment |
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2018
- 2018-05-30 CN CN201810540610.9A patent/CN108579303A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109750172A (en) * | 2019-03-20 | 2019-05-14 | 中南大学 | A kind of combined type dust arrester and copper bottom blowing smelting equipment |
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