CN108635969A - A kind of system and method for high-temperature flue gas purification and heat recovery - Google Patents
A kind of system and method for high-temperature flue gas purification and heat recovery Download PDFInfo
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- CN108635969A CN108635969A CN201810426635.6A CN201810426635A CN108635969A CN 108635969 A CN108635969 A CN 108635969A CN 201810426635 A CN201810426635 A CN 201810426635A CN 108635969 A CN108635969 A CN 108635969A
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- flue gas
- temperature
- heat recovery
- gas purification
- temperature flue
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- 239000003546 flue gas Substances 0.000 title claims abstract description 81
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000011084 recovery Methods 0.000 title claims abstract description 43
- 238000000746 purification Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000003723 Smelting Methods 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims 2
- 230000008016 vaporization Effects 0.000 claims 2
- 238000009834 vaporization Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 13
- 238000004064 recycling Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- 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
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses the system and methods of a kind of high-temperature flue gas purification and heat recovery, the system of high-temperature flue gas purification and heat recovery, including collecting hood connected in sequence, blister cooler, boiler, high temperature filtration deduster, wind turbine, switching device, diffusing chimney and recovery system, nitrogen deashing device is equipped in high temperature filtration deduster；The method of high-temperature flue gas purification and heat recovery includes the following steps：The high-temperature flue gas generated in stove is smelted after collecting hood to enter in blister cooler, steam-water separation is carried out in blister cooler, obtain steam, water and 700 900 DEG C of flue gas, temperature reduces by 700 900 DEG C of flue gas in the boiler, 200 250 DEG C obtained of flue gas, which enters in high temperature filtration deduster, to be dusted, and is obtained dustiness and is less than 10mg/m3Neat stress, neat stress reaches switching device after wind turbine, and neat stress is passed through recovery system or by being discharged in diffusing chimney by switching device.
Description
Technical field
The invention belongs to the waste heat recovery of pyrometallurgical smelting process and the fields of purifying and dedusting, and in particular to a kind of high-temperature flue gas
The system and method for purification and heat recovery.
Background technology
Currently, will produce a large amount of flue gases in smelting industry, in smelting process.The temperature of these flue gases may be up to 1250-
1800 DEG C, contain a large amount of sensible heat；The dustiness of flue gas may be up to 150g/m3, often contain in flue gas useful but harmful
Composition, such as CO, CO2, SO2 etc., if being allowed to diffuse, it will caused sternly to the environment of hundreds of sq-kms around factory
Heavily contaminated, and sensible heat therein, useful exhaust gas components, useful dust composition are worth with huge recycling, thus it is necessary
The effective purification of design, recovery system.
The high temperature fume dust removal system used both at home and abroad at present has two kinds of wet method, dry method.Wet dedusting is comparatively safe, primary
Property investment it is small, but dust removing effects are undesirable, high energy consumption.Dry method dust has two kinds of cloth bag and electric precipitator, but bag filter
General heatproof is low, even if high temperature cloth bag generally just at 300 DEG C or so, and it is fragile, take up a large area；Electric precipitator is pollinated
Dirt specific resistance, flue-gas temperature influence are bigger, and general clean-up effect is not fine.Heatproof is also just at 350 DEG C.Above two dedusting
The common drawback of system is water-spraying control, that is to say, that 800-850 after high-temperature flue gas is cooled to 800-850 DEG C with cooler
Ash-laden gas be directly water-cooled, waste heat does not recycle, and causes the waste of energy；Water in dust removal is sprayed into, water resource is caused
Waste；In addition, vapor enters fume recovery system, the deep exploitation of flue gas can be influenced.
In view of this, special propose the present invention.
Invention content
The object of the present invention is to provide the system and methods of a kind of high-temperature flue gas purification and heat recovery, can effectively recycle cigarette
The heat of gas system, improve gas cleaning efficiency, reduce the dust emission concentration of flue gas, and do not spray water directly, it is water-saving not
The exclusion of steam tracing flue gas is had, it is significant to energy-saving and emission-reduction, it is very useful, solve existing high temperature fume dust removal system
Unite dust removing effects are undesirable, high energy consumption, energy dissipation, water resource waste and the low problem of flue gas utilization rate.
To achieve the goals above, the system of a kind of high-temperature flue gas purification and heat recovery provided by the invention, including it is suitable
Collecting hood, blister cooler, boiler, high temperature filtration deduster, wind turbine, switching device, diffusing chimney and the recycling system of secondary connection
System, the boiler include the first evaporator, the second evaporator, third evaporator, the 4th evaporator and the 5th evaporator, described
Nitrogen deashing device is equipped in high temperature filtration deduster.
Further, the heat convection face of first evaporator and the heat convection face of second evaporator use ring
Flow evaporator heat exchange tube structure；The heat convection face of the third evaporator, the heat convection face of the 4th evaporator and described
The heat convection face of 5th evaporator uses coiled pipe structure.
Preferably, the blister cooler is exchanged heat using radiant type.
Preferably, the boiler is explosion resistant structure, and explosion venting valve is equipped in the boiler.
Further, be equipped with filter core in the high temperature filtration deduster, the material of the filter core be big flux, high-precision,
High temperature resistant and corrosion resistant perforated membrane.
Further, cooler is equipped between the switching device and the recovery system.
The present invention also provides a kind of method of high-temperature flue gas purification and heat recovery, using above-mentioned high-temperature flue gas purification and
The system of heat recovery, includes the following steps：
(1) it under the effect of the power of the wind turbine, smelts 1450 DEG C -1600 DEG C of the high-temperature flue gas generated in stove and passes through
Enter in blister cooler after collecting hood；
(2) 1450 DEG C -1600 DEG C of high-temperature flue gas in step (1) carries out steam-water separation in blister cooler, obtains
Steam, water and 700-900 DEG C of flue gas, steam enter the distribution system of water supply, and water continues cycling through use；
(3) temperature reduces 700-900 DEG C of flue gas in step (2) in the boiler, obtains 200-250 DEG C of flue gas；
(4) 200-250 DEG C of flue gas in step (3), which enters in high temperature filtration deduster, is dusted, and obtains dustiness
Less than 10mg/m3, temperature be 200-250 DEG C of neat stress；
(5) neat stress in step (4) reaches switching device after wind turbine, and neat stress is passed through recycling system by switching device
It unites or by being discharged in diffusing chimney.
Preferably, neat stress enters before recovery system is reduced to 60-70 DEG C through subcooler by neat stress temperature, obtains low
Warm neat stress.
Further, it is that interruption produces that the high temperature filtration deduster, which uses pulse of nitrogen deashing, the smelting stove,
The interim of smelting furnace kiln technique productions carries out nitrogen deashing to the high temperature filtration deduster.
Further, it is continuous production that the high temperature filtration deduster, which uses pulse of nitrogen deashing, the smelting stove, when
Nitrogen deashing is carried out to the high temperature filtration deduster when entrance of high temperature filtration deduster and the pressure difference in exit increase
The system and method for a kind of high-temperature flue gas purification and heat recovery provided by the invention, has the advantages that：
1, can effective recovered flue gas system heat, improve gas cleaning efficiency, reduce the dust emission concentration of flue gas, and
And do not spray water directly, it is water-saving not have the exclusion of steam tracing flue gas, it can realize energy-saving and emission-reduction；
2, it for inflammable and explosive gas, can play a very good protection；
3, the heat of flue gas of the recovered temperature from 1800 DEG C or so to 250 DEG C or so, compares, steam with existing other equipment
Yield can at least increase by 30%；
4, high temperature filtration deduster of the invention plays dustproof function, solves that electrostatic precipitation is explosive, equipment is complicated, failure
The problem of rate is high, purification efficiency is influenced by dust specific resistance, it is big also to solve existing Venturi tube wet dedusting resistance, high energy consumption
Problem, while solving the problem of bag filter heatproof is low, and operating cost is high, takes up a large area, and improve gas cleaning
Efficiency makes smoke emissioning concentration that can be less than 10mg/m3；
5, present invention flue gas in entire purification process is not in direct contact with water, so not having water steaming in the flue gas of discharge
Vapour solves the problems, such as the de- white of flue gas.
Description of the drawings
Fig. 1 is the structural schematic diagram of the system of the high-temperature flue gas purification and heat recovery in present embodiment.
In figure：
1. smelting 2. collecting hood of stove, 3. blister cooler, 4. boiler 4-1. the first evaporator the second evaporators of 4-2.
6. wind turbine 7. of the 4th 5. high temperature filtration dedusters of evaporator the 5th evaporators of 4-5. of 4-3. third evaporators 4-4. switching dress
Set 8. diffusing chimney, 9. cooler, 10. recovery system.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, With reference to embodiment to this hair
It is bright to be described in further detail.
A kind of system of high-temperature flue gas purification and heat recovery, including collecting hood connected in sequence 2, blister cooler 3, pot
Stove 4, high temperature filtration deduster 5, wind turbine 6, switching device 7, diffusing chimney 8 and recovery system 10；Blister cooler 3 is using radiation
Formula exchanges heat, and makes enclosing structure with the close arranging pipe of full weld or pipe partition board, is both the component that cooled flue gas generates steam, and
The conveyance conduit of high-temperature flue gas, using Natural Circulation, blister cooler 3 for collect, cooling high temperature flue gas and recycling high temperature cigarette
Sensible heat in gas, flue gas enter drum in the form of steam water interface, in drum flue gas by steam-water separation be steam and water,
Steam enters the distribution system of water supply, and water recycles；The exit of blister cooler 3 connects boiler 4, and boiler 4 is for further decreasing
The temperature of high-temperature flue gas, and the heat in high-temperature flue gas is recycled, boiler 4 includes the first evaporator 4-1, the second evaporator 4-
2, third evaporator 4-3, the 4th evaporator 4-4 and the 5th evaporator 4-5, wherein the first evaporator 4-1 and the second evaporator 4-2
Heat convection face use circulation evaporating heat-exchanging pipe structure such as scabbard formula structure, third evaporator 4-3, the 4th evaporator 4-4 and
It is explosion resistant structure that the heat convection face of 5th evaporator 4-5, which uses coiled pipe structure, boiler 4, and one or more is additionally provided in boiler 4
A safe explosion venting device such as explosion venting valve can play preferable protective effect for inflammable and explosive gas；Boiler 4 is connected with height
Warm filter collector 5, be equipped in high temperature filtration deduster 5 big flux, high-precision, high temperature corrosion gas filtering porous film
Material filter element is as core element, and perforated membrane refers to every square centimeter containing 10,000,000 to 100,000,000 holes, and porosity accounts for total volume
70%~80%, uniform pore diameter, seperation film of the pore diameter range between 0.02~20 μm, high temperature filtration deduster 5 can be with resistance to height
Warm 400-650 DEG C, flue gas flow rate therein can reach 1.2-2m/min, can carry out flue gas ash removal, in high temperature filtration deduster 5
Equipped with nitrogen deashing device, high temperature filtration deduster 5 uses pulse of nitrogen deashing；The outlet of flue gas in high temperature filtration deduster 5
Place is connected with wind turbine 6, and wind turbine 6 is the power source of the system of high-temperature flue gas purification and heat recovery；It is connected in the exit of wind turbine 6
There are switching device 7, the outlet of switching device 7 to be separately connected diffusing chimney 8 and recovery system 10, it can be as needed in high temperature mistake
Cooler 9 is added after filtering dust remover 5, flue-gas temperature can be reduced to 60-70 DEG C by cooler 9.
A kind of method of high-temperature flue gas purification and heat recovery is smelted in stove 1 and is generated under the power effect of wind turbine 6
1450 DEG C -1600 DEG C of high-temperature flue gas enter in blister cooler 3 by collecting hood 2, the sensible heat of high-temperature flue gas is vaporized cold
But device 3 recycles, and 1450 DEG C -1600 DEG C of high-temperature flue gas carries out steam-water separation in blister cooler 3, obtains steam, water and 800
DEG C or so flue gas, steam is incorporated to the distribution system of water supply after being recovered, water continues cycling through use；800 DEG C or so of flue gas enters later
In boiler 4, the temperature of flue gas is reduced to 200-250 DEG C；Later 200-250 DEG C of flue gas enter in high temperature filtration deduster 5 into
Row dedusting, dustiness is less than 10mg/m in 200-250 DEG C of neat stress after dedusting3；The dustiness is less than 10mg/m3, temperature be
200-250 DEG C of neat stress reaches switching device 7 after wind turbine 6, and neat stress is passed through recovery system 10 or put by switching device 7
It dissipates and is discharged in chimney 8, if adding cooler 9 between switching device 7 and recovery system 10 as needed, neat stress enters recycling
Through subcooler 9 before system 10, the neat stress temperature after subcooler 9 enters recovery system 10 after being reduced to 60-70 DEG C.
During high-temperature flue gas purification and heat recovery, high temperature filtration deduster 5 uses pulse of nitrogen deashing, if smelting
Furnace kiln 1 is that interruption produces, and contains ferrous oxide in the high-temperature flue gas of generation, in the interim for smelting 1 technique productions of stove
Nitrogen deashing is carried out to the high temperature filtration deduster 5, the filtering porous membrane material filter core in high temperature filtration deduster 5 and sky
Deashing process is completed before gas contact；If smelting stove 1 is continuous production, contain ferrous oxide in the high-temperature flue gas of generation, when
When the entrance of high temperature filtration deduster 5 and the pressure difference in exit increase, the inlet exhaust gas volumn ratio of high temperature filtration deduster 5
Exit exhaust gas volumn is big, and the circulation of flue gas is obstructed in high temperature filtration deduster 5 at this time, need to high temperature filtration deduster 5 into
Row nitrogen deashing should carry out pulse of nitrogen deashing, it is also necessary to be purged with nitrogen, then before the maintenance of high temperature filtration deduster 5
It is replaced again with air, it is last to open maintenance aperture of door.
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
Help understands core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of inventive concept, any obvious modification, equivalent replacement or the other improvements made should be included in the present invention
Protection domain within.
Claims (10)
1. the system of a kind of high-temperature flue gas purification and heat recovery, which is characterized in that cold including collecting hood connected in sequence, vaporization
But device, boiler, high temperature filtration deduster, wind turbine, switching device, diffusing chimney and recovery system, the boiler include first
Evaporator, the second evaporator, third evaporator, the 4th evaporator and the 5th evaporator are equipped in the high temperature filtration deduster
Nitrogen deashing device.
2. the system of high-temperature flue gas purification according to claim 1 and heat recovery, which is characterized in that first evaporation
The heat convection face of device and the heat convection face of second evaporator use circulation evaporating heat-exchanging pipe structure；The third evaporation
The heat convection face in the heat convection face of device, the heat convection face of the 4th evaporator and the 5th evaporator is using snakelike
Pipe structure.
3. the system of high-temperature flue gas purification according to claim 1 and heat recovery, which is characterized in that the Vaporizing cooling
Device is exchanged heat using radiant type.
4. the system of high-temperature flue gas purification according to claim 1 and heat recovery, which is characterized in that the boiler is anti-
Quick-fried structure is equipped with explosion venting valve in the boiler.
5. the system of high-temperature flue gas purification according to claim 1 and heat recovery, which is characterized in that the high temperature filtration
Filter core is equipped in deduster, the material of the filter core is big flux, high-precision, high temperature resistant and corrosion resistant perforated membrane.
6. the system of high-temperature flue gas purification according to claim 1 and heat recovery, which is characterized in that the switching device
Cooler is equipped between the recovery system.
7. a kind of method of high-temperature flue gas purification and heat recovery, which is characterized in that use claim 1-6 any one of them
The system of high-temperature flue gas purification and heat recovery, includes the following steps：
(1) under the effect of the power of the wind turbine, 1450 DEG C -1600 DEG C of the high-temperature flue gas generated in stove is smelted by collecting
Enter in blister cooler after cover；
(2) 1450 DEG C -1600 DEG C of high-temperature flue gas in step (1) carries out steam-water separation in blister cooler, obtain steam,
Water and 700-900 DEG C of flue gas, steam enter the distribution system of water supply, and water continues cycling through use；
(3) temperature reduces 700-900 DEG C of flue gas in step (2) in the boiler, obtains 200-250 DEG C of flue gas；
(4) 200-250 DEG C of flue gas in step (3), which enters in high temperature filtration deduster, is dusted, and obtains dustiness and is less than
10mg/m3, temperature be 200-250 DEG C of neat stress；
(5) neat stress in step (4) reaches switching device after wind turbine, switching device by neat stress be passed through recovery system or
By being discharged in diffusing chimney.
8. the method for high-temperature flue gas purification according to claim 7 and heat recovery, which is characterized in that neat stress enters back
Neat stress temperature is reduced to 60-70 DEG C through subcooler before receipts system, obtains low temperature neat stress.
9. the method for high-temperature flue gas purification according to claim 7 and heat recovery, which is characterized in that the high temperature filtration
Deduster uses pulse of nitrogen deashing, and the smelting stove is that interruption produces, in the interim pair of smelting furnace kiln technique productions
The high temperature filtration deduster carries out nitrogen deashing.
10. the method for high-temperature flue gas purification according to claim 7 and heat recovery, which is characterized in that the high temperature mistake
Filtering dust remover use pulse of nitrogen deashing, the smeltings stove be continuous production, when high temperature filtration deduster entrance with go out
Nitrogen deashing is carried out to the high temperature filtration deduster when pressure difference at mouthful increases.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810426635.6A CN108635969A (en) | 2018-05-07 | 2018-05-07 | A kind of system and method for high-temperature flue gas purification and heat recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810426635.6A CN108635969A (en) | 2018-05-07 | 2018-05-07 | A kind of system and method for high-temperature flue gas purification and heat recovery |
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| CN108635969A true CN108635969A (en) | 2018-10-12 |
Family
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| CN201810426635.6A Pending CN108635969A (en) | 2018-05-07 | 2018-05-07 | A kind of system and method for high-temperature flue gas purification and heat recovery |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010019525A (en) * | 2008-07-14 | 2010-01-28 | Kobe Steel Ltd | Exhaust gas treatment facility and dust recovery method by exhaust gas treatment facility |
| CN101705330A (en) * | 2009-11-23 | 2010-05-12 | 赵本军 | Method for purifying smoke of steel converter and recovering residual heat |
| CN203625414U (en) * | 2013-12-04 | 2014-06-04 | 无锡雪浪环境科技股份有限公司 | Dry cloth-bag dust removal device for carbon steel converter capable of recovering waste heat in whole process |
| CN205878931U (en) * | 2016-06-16 | 2017-01-11 | 北京博鹏北科节能环保股份有限公司 | High temperature gas cleaning and waste heat recovery system |
| CN106755718A (en) * | 2016-12-12 | 2017-05-31 | 山西致业工程设计有限公司 | The fume waste heat that pneumatic steelmaking is produced is utilized and dust removal integrated system and technique |
| CN107420927A (en) * | 2017-08-04 | 2017-12-01 | 中节能工业节能有限公司 | A kind of fire coal boiler fume high-efficient purification and UTILIZATION OF VESIDUAL HEAT IN technique |
| CN207605482U (en) * | 2018-05-07 | 2018-07-13 | 北京博鹏中科环保科技有限公司 | A kind of system of high-temperature flue gas purification and heat recovery |
-
2018
- 2018-05-07 CN CN201810426635.6A patent/CN108635969A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010019525A (en) * | 2008-07-14 | 2010-01-28 | Kobe Steel Ltd | Exhaust gas treatment facility and dust recovery method by exhaust gas treatment facility |
| CN101705330A (en) * | 2009-11-23 | 2010-05-12 | 赵本军 | Method for purifying smoke of steel converter and recovering residual heat |
| CN203625414U (en) * | 2013-12-04 | 2014-06-04 | 无锡雪浪环境科技股份有限公司 | Dry cloth-bag dust removal device for carbon steel converter capable of recovering waste heat in whole process |
| CN205878931U (en) * | 2016-06-16 | 2017-01-11 | 北京博鹏北科节能环保股份有限公司 | High temperature gas cleaning and waste heat recovery system |
| CN106755718A (en) * | 2016-12-12 | 2017-05-31 | 山西致业工程设计有限公司 | The fume waste heat that pneumatic steelmaking is produced is utilized and dust removal integrated system and technique |
| CN107420927A (en) * | 2017-08-04 | 2017-12-01 | 中节能工业节能有限公司 | A kind of fire coal boiler fume high-efficient purification and UTILIZATION OF VESIDUAL HEAT IN technique |
| CN207605482U (en) * | 2018-05-07 | 2018-07-13 | 北京博鹏中科环保科技有限公司 | A kind of system of high-temperature flue gas purification and heat recovery |
Non-Patent Citations (1)
| Title |
|---|
| 氧气顶吹转炉汽化冷却设计编写组: "氧气顶吹转炉汽化冷却设计", vol. 1, 31 August 1979, 包头钢铁设计研究院, pages: 23 * |
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