CN109453596A - Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas - Google Patents
Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas Download PDFInfo
- Publication number
- CN109453596A CN109453596A CN201811458181.7A CN201811458181A CN109453596A CN 109453596 A CN109453596 A CN 109453596A CN 201811458181 A CN201811458181 A CN 201811458181A CN 109453596 A CN109453596 A CN 109453596A
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- China
- Prior art keywords
- gas
- pan
- washer
- flue gas
- sulfur dioxide
- 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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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000003546 flue gas Substances 0.000 title claims abstract description 69
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000000428 dust Substances 0.000 title claims abstract description 49
- 238000001035 drying Methods 0.000 title claims abstract description 30
- 239000012141 concentrate Substances 0.000 title claims abstract description 24
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 136
- 239000000779 smoke Substances 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 29
- 230000008676 import Effects 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 9
- 239000003595 mist Substances 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000003009 desulfurizing effect Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008258 liquid foam Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 241000521257 Hydrops Species 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
Abstract
Combine the present invention relates to a kind of dry and wet and inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas, including flue gas washing system, pan gas washing system；Flue gas washing system includes cyclone dust collectors (2), smoke washer (3) and flue gas multiple baffle demister (4), and cyclone dust collectors (2) import is connected to flue；Pan gas washing system includes pan gas washer (7), pan gas multiple baffle demister (8) and pan gas blower (9), is connected to inside (7) import of pan gas washer and drying machine (1)；Smoke washer (3) and pan gas washer (7) are obliquely installed, and spray port face import.Flue gas is passed through into cyclone dust collectors (2) pre- dedusting, it is washed again through smoke washer (3), pan gas directly passes through pan gas washer (7) washing, water mist is inversely contacted with flue gas, make dust and the water mist collision in gas and traps, gas temperature reduces simultaneously, so that sulfur dioxide is absorbed, to complete cooling, desulfurizing dust removal process.
Description
Technical field
Combine the present invention relates to a kind of dry and wet and inhibit dust and sulfur dioxide system in ilmenite concentrate drying flue gas, belongs to tail gas
Dust-removing sulphur removing function processing technology field.
Background technique
The vanadium titano-magnetite of China Panzhihua Region is resourceful, is the main ilmenite concentrate production area in China.Ilmenite concentrate
Its water content need to be reduced to H from 10% or so in front of sales2O≤0.5%, therefore it need to be dried.Drying is mainly adopted
It is blown into rotary dryer with by coal hot-air, connects high-temperature flue gas directly or indirectly with ilmenite concentrate using the structure of rotary dryer
It touches and completes drying operation.Ilmenite concentrate flue-gas temperature after rotary dryer indirect drying is at 90~110 DEG C or so, in flue gas
Contain a small amount of coal ash dust and sulfur dioxide.And ilmenite concentrate can generate larger amount of dust shape in rotary dryer rotary course
At pan gas, and because ilmenite concentrate is understood under high temperature drying with a small amount of sulfur dioxide contained in released mineral, therefore in drying course
In can generate the independent tail gas of two parts.Due to containing a large amount of dust and sulfur dioxide, so that this partial tail gas can not be straight
Run in and puts.And in pulverized coal friring and titanium ore drying course, a large amount of dust and sulfur dioxide can be generated, for dust-laden exhaust gas current one
As processing is dusted using cloth-sack-type dust removal device or cyclone dust collector；For sulfur dioxide mostly use dry method, semidry method,
Wet process carries out desulfurization process.But the above technology is substantially individually to be handled particulate matter in flue gas and sulfur dioxide, not only
Invest larger, and operating cost is higher.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the shortage of prior art, providing one kind can classification processing flue gas and pot
Gas, low-cost dry and wet joint inhibit dust and sulfur dioxide system in ilmenite concentrate drying flue gas.
The technical solution adopted by the present invention to solve the technical problems is: dry and wet joint inhibits powder in ilmenite concentrate drying flue gas
Dirt and sulfur dioxide system, including flue gas washing system, pan gas washing system and slurry pond；
Flue gas washing system includes that cyclone dust collectors, smoke washer, flue gas multiple baffle demister and exhaust fan, whirlwind remove
Dirt device, smoke washer, flue gas multiple baffle demister and exhaust fan are sequentially connected, and the import of cyclone dust collectors and flue connect
Logical, the outlet of exhaust fan is connected to tail gas funnel；
Pan gas washing system includes pan gas washer, pan gas multiple baffle demister and pan gas blower, and pan gas washer, pan gas are multiple
Gear demister and pan gas blower are sequentially connected, and pan gas washer import is connected to dryer inner, pan gas blower and tail gas funnel
Connection；
Cyclone dust collectors, flue gas multiple baffle demister and the outlet of pan gas multiple baffle demister are connected to slurry pond；
Smoke washer and pan gas washer are obliquely installed, and import is higher than outlet, and smoke washer and pan gas washing
Device spray port face gas inlet.
Wherein, smoke washer described in above-mentioned apparatus and pan gas washer are that pipeline answers spray rinsing device, including tubulose
The shell of structure, shell both ends are provided with inlet, outlet, and enclosure interior axially spaced-apart is provided with several spray heads, and the spray head goes out
Mouth direction is axially consistent with shell, and spray outlet face gas inlet.
Further, spray head described in above-mentioned apparatus is bidirectional hollow taper low-voltage high-efficiency atomizer.
Wherein, smoke washer described in above-mentioned apparatus and pan gas washer and horizontal direction angle are 15~30 °.
Further, smoke washer and pan gas washer and horizontal direction angle are 23 ° in above-mentioned apparatus.
Wherein, it is arranged at intervals in flue gas multiple baffle demister described in above-mentioned apparatus and pan gas multiple baffle demister several same
The heart justifies baffle, and the spacing between adjacent screen is sequentially reduced from outside to inside.
Further, the height of baffle successively increases from outside to inside in above-mentioned apparatus.
The beneficial effects of the present invention are: hot fume is passed through the pre- dedusting of cyclone dust collectors by this system, can effectively remove big
Partial dust, to effectively avoid blocking smoke washer pipeline.Again by flue gas after pre- dedusting enter back into smoke washer into
Row washing, the water mist sprayed through smoke washer are contacted with flue gas adverse current and are efficiently mixed, and touch mine dust and water mist in flue gas
It hits and is trapped, while exhaust temperature reduces, a large amount of water vapours are condensed into water after being lower than dew point on water mist, make in tail gas
Sulfur dioxide is absorbed, to complete flue gas cool-down desulfurization and dedusting process；Because ilmenite concentrate can generate in drying machine rotary course
Larger amount of dust forms pan gas, and because ilmenite concentrate can be with a small amount of titanium dioxide contained in released mineral under high temperature drying
Sulphur is then directly pumped into pan gas washer by blower and is washed, and pan gas cooling, desulfurizing dust removal process is completed.This classification processing
The technology of dust and sulfur dioxide in tail gas can substantially reduce vent gas treatment cost.
Detailed description of the invention
Fig. 1 is flow diagram of the present invention；
Fig. 2 is the structural schematic diagram of flue gas multiple baffle demister and pan gas multiple baffle demister of the present invention；
Fig. 3 is the complete section structural schematic diagram of Fig. 2 of the present invention；
Fig. 4 is A-A diagrammatic cross-section in Fig. 2 of the present invention；
Fig. 5 is the structural schematic diagram of smoke washer of the present invention and pan gas washer.
In the figure, it is marked as 1 is drying machine, 2 be cyclone dust collectors, and 3 be smoke washer, and 4 be flue gas multiple baffle demister, 5
It is exhaust fan, 6 be slurry pond, and 7 be pan gas washer, and 8 be pan gas multiple baffle demister, and 9 be pan gas blower, and 10 be shell, 11
It is spray head, 12 be baffle.
Specific embodiment
The following further describes the present invention with reference to the drawings.
As shown in Figures 1 to 5, dry and wet of the invention joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas
System, including flue gas washing system, pan gas washing system and slurry pond 6；
Flue gas washing system includes cyclone dust collectors 2, smoke washer 3, flue gas multiple baffle demister 4 and exhaust fan 5, rotation
Wind deduster 2, smoke washer 3, flue gas multiple baffle demister 4 and exhaust fan 5 are sequentially connected, the import of cyclone dust collectors 2 with
Flue connection, the outlet of exhaust fan 5 is connected to tail gas funnel；
Pan gas washing system includes pan gas washer 7, pan gas multiple baffle demister 8 and pan gas blower 9, pan gas washer 7, pot
Gas multiple baffle demister 8 and pan gas blower 9 are sequentially connected, and are connected to inside 7 import of pan gas washer and drying machine 1, pan gas blower 9 with
Tail gas funnel connection；
Cyclone dust collectors 2, flue gas multiple baffle demister 4 and the outlet of pan gas multiple baffle demister 8 are connected to slurry pond 6；
Smoke washer 3 and pan gas washer 7 are obliquely installed, and import is higher than outlet, and smoke washer 3 and pan gas are washed
Wash 7 spray port face gas inlet of device.It will be appreciated to those of skill in the art that the exhaust gas that drying machine 1 comes out mainly includes
The pan gas formed in flue gas and drying machine 1, and a large amount of dust, sulfur dioxide are mainly contained in flue gas, and pan gas then contains on a small quantity
Sulfur dioxide, since the ingredient of two kinds of exhaust gas is different, therefore this system reselection classification processing.To avoid dust from blocking spray tube
Cyclone dust collectors 2 are arranged preferably on the import leading portion pipeline of smoke washer 3, are dusted processing to flue gas for road, this system.
And the flue gas and pan gas that come out through drying machine 1 are introduced flue gas washing system and pan gas washing system by this system respectively, by flue gas
Pipeline is directly connect with 2 import of cyclone dust collectors, under the action of exhaust fan 5, flue gas after the pre- dedusting of cyclone dust collectors 2 again
It is washed into smoke washer 3, the water mist that smoke washer 3 sprays is contacted with flue gas adverse current and efficiently mixed, and makes flue gas
In mine dust and water mist collide and trapped, while exhaust temperature reduces, and a large amount of water vapours are lower than after dew point to coagulate on water mist
Become water, be absorbed the sulfur dioxide in tail gas, enters flue gas multiple baffle demister 4 afterwards and carry out gas-liquid separation, finally empty.And
The larger amount of dust that ilmenite concentrate can generate in 1 rotary course of drying machine forms pan gas, and because ilmenite concentrate is under high temperature drying
Can be with a small amount of sulfur dioxide contained in released mineral, since the pan gas amount of this part is less, and pressure is lower, therefore needs logical
It crosses the directly suction pan gas washer 7 of pan gas blower 9 to be washed, enter back into after the progress gas-liquid separation of pan gas multiple baffle demister 8 again
Emptying, to complete flue gas and pan gas cooling, desulfurizing dust removal process.This system further preferably washes smoke washer 3 and pan gas simultaneously
It washs device 7 to be obliquely installed, and import is higher than outlet, that is to say that import is located at upper end, so that flue gas or pan gas enter from upper end
Guarantee that flue gas and pan gas come into full contact with washing water, it is unobstructed will to be effectively ensured water flow, avoids hydrops and blocking.This system is also
Cyclone dust collectors 2, flue gas multiple baffle demister 4 and 8 lower end of pan gas multiple baffle demister are exported and connect with slurry pond 6, slurry pond 6 is clear
Overflow water is recycled again as washing water after clear, saves the dosage of washing water, reduces cost.Since flue gas can successively pass through
Cyclone separator, smoke washer 3 and flue gas multiple baffle demister 4, the pressure drop that will cause flue gas is larger, so that finally multiple from flue gas
It is low to keep off the flue gas pressures that the outlet of demister 4 comes out, so that gas circulation is unsmooth in whole device, equipment is easily caused to build the pressure.Therefore this
System preferably adds exhaust fan 5 in the exit of flue gas multiple baffle demister 4, guarantees that flow of flue gas is logical in flue gas washing system
Freely, treatment effeciency is improved.
Preferably, smoke washer 3 described in above-mentioned apparatus and pan gas washer 7 are that pipeline answers spray rinsing device, including
The shell 10 of tubular structure, 10 both ends of shell are provided with inlet, outlet, and 10 inside of shell is axial to be arranged at intervals with several spray heads
11, the outlet of spray head 11 direction is axial consistent with shell 10, and spray head 11 exports face gas inlet.Those skilled in the art
, it is understood that the preferred smoke washer 3 of this system and pan gas washer 7 are that pipeline answers spray rinsing device, the pipeline is multiple
Spray rinsing device mainly includes tubular shell 10 and spray head 11, and spray head 11 is provided with multiple, and each spray along 10 axially spaced-apart of shell
The equal face gas inlet of first 11 water outlet so that washing water can be larger with flue gas or pan gas contact surface, and is sufficiently mixed.
It is obliquely installed that can will to be effectively ensured water flow unobstructed simultaneously, avoids hydrops and blocking.
Preferably, spray head 11 described in above-mentioned apparatus is bidirectional hollow taper low-voltage high-efficiency atomizer 11.This field skill
Art personnel are, it is understood that this system is the contact surface for further increasing the washing water and flue gas or pan gas that spray from spray head 11
Product, therefore the further preferred spray head 11 of this system is bidirectional hollow taper low-voltage high-efficiency atomizer 11.
Preferably, smoke washer 3 described in above-mentioned apparatus and pan gas washer 7 and horizontal direction angle are 15~30 °.
It will be appreciated to those of skill in the art that this system is the tilt angle of preferred smoke washer 3 and pan gas washer 7,
So that smoke washer 3 and pan gas washer 7 and horizontal direction angle are 15~30 °, this structure setting can guarantee that water flow exists
It is unobstructed in shell 10, avoid hydrops and blocking outlet, while extend flue gas and pan gas can with washing water contact area and connect
Contact application adds, to improve absorption efficiency.
Preferably, smoke washer 3 and pan gas washer 7 and horizontal direction angle are 23 ° in above-mentioned apparatus.This field skill
Art personnel are, it is understood that the further preferred smoke washer 3 of this system and pan gas washer 7 are with horizontal direction angle
23 ° so that washing water can be flowed in shell 10 it is most unobstructed, while not will cause ponding and blocking outlet, extend equipment use
Service life.
Preferably, if being arranged at intervals in flue gas multiple baffle demister described in above-mentioned apparatus 4 and pan gas multiple baffle demister 8
Dry concentric circles baffle 12, the spacing between adjacent screen 12 are sequentially reduced from outside to inside.Skilled artisans appreciate that
It is that flue gas multiple baffle demister 4 and pan gas multiple baffle demister 8 are multiple baffle demister.And it is taper that multiple baffle demister, which includes lower part,
The cylinder of structure, shape arranged for interval and is located at the top of pyramidal structure in cylinder to baffle 12 in a ring, and multiple baffle demister
Import enters from lower tangential, and 12 section of baffle is 3/4 arc-shaped, and the import of notch face multiple baffle demister.Foam removal is kept off again
Device upper end is provided with gas outlet, and the lower end of lower taper structure is provided with liquid outlet.In actual work, due to being kept off again into flue gas
Gas in demister 4 and pan gas multiple baffle demister 8 is tangentially flowed into from its underpart shell, and gas is along inner walls and baffle 12
Side wall corkscrew motion, realize gas-liquid separation so that into multiple baffle demister tail gas and liquid foam under the action of the centrifugal force to same
The baffle 12 of heart circle arrangement and wall effect, can play the role of " cleaning ", avoid multiple baffle demister and are blocked, and realize high
Imitate foam removal.Spaced baffle 12 can will enter the intracorporal tail gas of shell simultaneously and liquid foam is separated, and increase its pressure loss,
So that the speed of gas greatly reduces.Simultaneously because its pressure loss at center is bigger, speed is slower, can make
The Time Inconsistency in pyramidal structure inner wall is fallen at gas, effectively to the intracorporal gas partitions of shell are entered, so that liquid and liquid
Foam falls branch and falls on pyramidal structure inner wall, avoids generating foam again the separation, it can be achieved that liquid and liquid foam.Simultaneously originally
Gap between the further preferred baffle 12 of system is by being sequentially reduced within outer, so that most of gas enters keeps off foam removal again
In the middle part of device, the pressure of gas is substantially reduced, so that final foam removal effect is more preferable, and tail gas is then from multiple baffle demister upper end outlet
Discharge.
Preferably, the height of baffle 12 successively increases from outside to inside in above-mentioned apparatus.Skilled artisans appreciate that
, this system is that the height of further preferred baffle 12 successively increases from outside to inside, the area in channel is increased, to have
Effect avoids channel jam, improves the effect of foam removal.
Claims (7)
1. dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas, it is characterised in that: including flue gas washing
System, pan gas washing system and slurry pond (6)；
Flue gas washing system includes cyclone dust collectors (2), smoke washer (3), flue gas multiple baffle demister (4) and exhaust fan
(5), cyclone dust collectors (2), smoke washer (3), flue gas multiple baffle demister (4) and exhaust fan (5) are sequentially connected, and whirlwind removes
The import of dirt device (2) is connected to flue, and the outlet of exhaust fan (5) is connected to tail gas funnel；
Pan gas washing system includes pan gas washer (7), pan gas multiple baffle demister (8) and pan gas blower (9), pan gas washer
(7), pan gas multiple baffle demister (8) and pan gas blower (9) are sequentially connected, and are connected inside (7) import of pan gas washer and drying machine (1)
Logical, pan gas blower (9) is connected to tail gas funnel；
Cyclone dust collectors (2), flue gas multiple baffle demister (4) and the outlet of pan gas multiple baffle demister (8) lower end connect with slurry pond (6)
It is logical；
Smoke washer (3) and pan gas washer (7) are obliquely installed, and import is higher than outlet, and smoke washer (3) and pan gas
Washer (7) spray port face gas inlet.
2. dry and wet joint according to claim 1 inhibits ilmenite concentrate drying exhaust gas dust and sulfur dioxide system, feature
Be: the smoke washer (3) and pan gas washer (7) are that pipeline answers spray rinsing device, the shell including tubular structure
(10), shell (10) both ends are provided with inlet, outlet, and shell (10) is internal to be axially arranged at intervals with several spray heads (11), described
Spray head (11) outlet direction is axial consistent with shell (10), and spray head (11) exports face gas inlet.
3. dry and wet joint according to claim 2 inhibits ilmenite concentrate drying exhaust gas dust and sulfur dioxide system, feature
Be: the spray head (11) is bidirectional hollow taper low-voltage high-efficiency atomizer (11).
4. combining to dry and wet described in 3 any claims inhibit ilmenite concentrate drying exhaust gas dust and dioxy according to claim 1
Change sulphur system, it is characterised in that: the smoke washer (3) and pan gas washer (7) and horizontal direction angle are 15~30 °.
5. dry and wet joint according to claim 4 inhibits ilmenite concentrate drying exhaust gas dust and sulfur dioxide system, feature
Be: smoke washer (3) and pan gas washer (7) and horizontal direction angle are 23 °.
6. dry and wet joint according to claim 1 inhibits ilmenite concentrate drying exhaust gas dust and sulfur dioxide system, feature
It is: is arranged at intervals with several concentric circles baffles in the flue gas multiple baffle demister (4) and pan gas multiple baffle demister (8)
(12), and the spacing between adjacent screen (12) is sequentially reduced from outside to inside.
7. dry and wet joint according to claim 6 inhibits ilmenite concentrate drying exhaust gas dust and sulfur dioxide system, feature
Be: the height of baffle (12) successively increases from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458181.7A CN109453596A (en) | 2018-11-30 | 2018-11-30 | Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458181.7A CN109453596A (en) | 2018-11-30 | 2018-11-30 | Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109453596A true CN109453596A (en) | 2019-03-12 |
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ID=65612117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811458181.7A Pending CN109453596A (en) | 2018-11-30 | 2018-11-30 | Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas |
Country Status (1)
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|---|---|
| CN (1) | CN109453596A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624347A (en) * | 2019-08-23 | 2019-12-31 | 上海超高环保科技股份有限公司 | Multi-stage water-spraying dust-removing, dewatering, demisting and purifying device and method |
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| CN102309915A (en) * | 2011-08-23 | 2012-01-11 | 浙江省环境工程有限公司 | Device for treating waste gas used on production line of scouring pad |
| CN106766952A (en) * | 2016-11-29 | 2017-05-31 | 攀钢集团钛业有限责任公司 | The method that mineral are dried using electric furnace flue gas |
| CN209596821U (en) * | 2018-11-30 | 2019-11-08 | 四川安宁铁钛股份有限公司 | Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas |
-
2018
- 2018-11-30 CN CN201811458181.7A patent/CN109453596A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309915A (en) * | 2011-08-23 | 2012-01-11 | 浙江省环境工程有限公司 | Device for treating waste gas used on production line of scouring pad |
| CN106766952A (en) * | 2016-11-29 | 2017-05-31 | 攀钢集团钛业有限责任公司 | The method that mineral are dried using electric furnace flue gas |
| CN209596821U (en) * | 2018-11-30 | 2019-11-08 | 四川安宁铁钛股份有限公司 | Dry and wet joint inhibits dust and sulfur dioxide system in ilmenite concentrate drying flue gas |
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| Title |
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| CN110624347A (en) * | 2019-08-23 | 2019-12-31 | 上海超高环保科技股份有限公司 | Multi-stage water-spraying dust-removing, dewatering, demisting and purifying device and method |
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