CN108546796A - A kind of converter gas dry type cooling device and its cooling means - Google Patents
A kind of converter gas dry type cooling device and its cooling means Download PDFInfo
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- CN108546796A CN108546796A CN201810761899.7A CN201810761899A CN108546796A CN 108546796 A CN108546796 A CN 108546796A CN 201810761899 A CN201810761899 A CN 201810761899A CN 108546796 A CN108546796 A CN 108546796A
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- Prior art keywords
- converter
- flue
- pipeline section
- cooling device
- gas
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
- C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2100/00—Exhaust gas
- C21C2100/02—Treatment of the exhaust gas
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a kind of converter gas dry type cooling device and its cooling means, the converter gas dry type cooling device includes the converter flue (1) set gradually, kindling material capturing device (2), heat convection waste-heat recovery device (3), dry collector (4) and wind turbine (5).The converter gas dry type cooling device is provided with kindling material capturing device between converter flue and heat convection waste-heat recovery device, so as to remove the kindling material of converter gas carrying in higher than 610 DEG C temperature ranges, eliminates hidden peril of explosion.
Description
Technical field
The present invention relates to a kind of converter gas dry type cooling devices, further relate to a kind of absolutely dry cooling means of flue gas.
Background technology
The flue-gas temperature escaped by converter mouth is about 1600 DEG C, need to be by converter to meet the needs of follow-up flue gas ash removal
Flue gas cool-down processing.With being rooted in the hearts of the people for circular economy, the energy conservation and environmental awareness of domestic each enterprise are also gradually being reinforced, converter
Fume high-temperature waste heat has all been commonly available recycling, studies the Low and mid temperature heat recovery of converter gas, seeks real dry method
Dust collecting process has become the focus of numerous steel mills.
Existing " dry method " system gas cleaning recovery processing technique facility is mainly by flue gas purification system, off-gas recovery system
System composition.The disadvantage is that the possibility that gas explosion occurs during use is big, a large amount of sensible heats in flue gas are not utilized, and
It also needs to consume a large amount of steam, still will produce technique waste water.
Invention content
In order to solve the problems, such as that existing dry FGD process recovery processing technique is easy explosion.The present invention provides one kind
Converter gas dry type cooling device and its cooling means, the converter gas dry type cooling device are changed in converter flue and convection current
Kindling material capturing device is provided between hot waste-heat recovery device, so as to remove converter cigarette in higher than 610 DEG C temperature ranges
The kindling material that gas carries eliminates hidden peril of explosion.
The technical solution adopted by the present invention to solve the technical problems is:A kind of converter gas dry type cooling device, packet
Include the converter flue set gradually, kindling material capturing device, heat convection waste-heat recovery device, dry collector and wind turbine.
Converter flue contains membrane wall, and the section of converter flue is round or rectangular.
The kindling material capturing device includes the decline pipeline section being arranged alternately and rises pipeline section, and the entry position for declining pipeline section is higher than
The outlet port for declining pipeline section rises the entry position of pipeline section less than the outlet port for rising pipeline section, adjacent two down-comers
It is connected to by upper interconnecting piece or lower interconnecting piece between section and rising pipeline section, flow field perturbations is equipped in lower interconnecting piece.
The kindling material capturing device contains first set gradually and declines pipeline section, first rising pipeline section, second decline
Pipeline section, second rising pipeline section and third decline pipeline section, and flow field perturbations are heat guard, wear-resistant pipe, bulge-structure or recessed
Fall into structure.
Flow field perturbations are less than flow field perturbations to the distance for declining pipeline section to the distance for rising pipeline section;Lower interconnecting piece
Lower end be equipped with particulate collection or discharge structure, the position of the positions of flow field perturbations and particulate collection or discharge structure
It is corresponding up and down.
Pass through evaporated flue, adiabatic flue or water-cooled flue between kindling material capturing device and heat convection waste-heat recovery device
Connection.
Heat convection waste-heat recovery device is internally provided with heat-transfer surface, the bottom setting of heat convection waste-heat recovery device
Ash discharging gear.
The outlet of wind turbine is connect by switching valve with the first discharge line and the second discharge line, the connection of the first discharge line
There are chimney, the second discharge line to be connected with gas chamber, the flue gas that switching valve can be such that wind turbine is discharged enters chimney or gas chamber.
Second discharge pipe road is equipped with to be equipped between air cooling device or low temperature heat exchanger or dry collector and wind turbine
Air cooling device or low temperature heat exchanger.
A kind of absolutely dry cooling means of flue gas, it is cold that the absolutely dry cooling means of flue gas uses above-mentioned converter gas dry type
But device, the absolutely dry cooling means of flue gas include the following steps successively:
The flue gas that converter is discharged is cooled to 800 DEG C~1000 DEG C by step 1, converter flue;
Step 2, kindling material capturing device detach the high-temp solid object carried in the flue gas;
The flue gas is cooled to 150 DEG C~250 DEG C by step 3, heat convection waste-heat recovery device;
Step 4, dry collector purify the flue gas;
The purified flue gas is discharged for step 5, wind turbine.
The beneficial effects of the invention are as follows:
1, the kindling material of converter gas carrying is removed in higher than 610 DEG C temperature ranges, eliminates hidden peril of explosion.
2, the obvious heat of smoke for recycling 150 DEG C~250 DEG C or more, realizes the full recycling of fume afterheat;
3, the pure dry type cooling of converter gas is realized.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.
Fig. 1 is the structural schematic diagram of converter gas dry type cooling device of the present invention.
Fig. 2 is the structural schematic diagram of kindling material capturing device.
1, converter flue;2, kindling material capturing device;3, heat convection waste-heat recovery device;4, dry collector;5, wind turbine;
6, switching valve;7, air cooling device;8, gas chamber;9, chimney;11, evaporated flue;12, heat-transfer surface;13, converter;
21, decline pipeline section;22, rise pipeline section;23, upper interconnecting piece;24, lower interconnecting piece;25, flow field perturbations;26,
Grain object is collected or discharge structure;
61, the first discharge line;62, the second discharge line.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of converter gas dry type cooling device, including set gradually converter flue 1, kindling material capturing device 2, convection current
Exchange heat waste-heat recovery device 3, dry collector 4 and wind turbine 5, as shown in Figure 1.
Converter flue 1 and heat convection waste-heat recovery device 3 are by flue gas from 1800 DEG C of dry calibrations to 150 DEG C~250 DEG C
Left and right, and recycle the partial fume waste heat.Temperature range dry method of the kindling material capturing device 2 by flue gas at 800 DEG C~1000 DEG C is gone
Except bulky grain and group are grey (kindling material).The high temperature solids such as bulky grain, group's ash that kindling material capturing device 2 can carry converter gas
Separation, and outside discharger.
In the present embodiment, converter flue 1 contains membrane wall, and the section of converter flue 1 is round or rectangular.Converter gas
Use radiation heat transfer, converter flue 1 that the form of membrane wall, the cooling medium of membrane wall is used generally to use in converter flue 1
Water or conduction oil, fused salt etc..The type of cooling generally evaporates cooling, or cools down without phase-change.
The type of cooling of membrane wall generally evaporates cooling, or cools down without phase-change.Converter gas radiation heat transfer face
Design ensures that flow of flue gas is smooth.Liquid form of the flue gas in converter gas radiation heat transfer face is similar to plug flow.In converter
There is no the regions such as the whirlpool of flue gas residence in gas radiation heat-transfer surface.
In the present embodiment, which (is referred to as kindling material trapping flue) in tubular construction, the kindling material
Capturing device 2 includes the decline pipeline section 21 being arranged alternately and rises pipeline section 22, and the entry position for declining pipeline section 21 is higher than down-comer
The outlet port of section 21 rises the entry position of pipeline section 22 less than the outlet port for rising pipeline section 22, adjacent two down-comers
It is connected to by upper interconnecting piece 23 or lower interconnecting piece 24 between section 21 and rising pipeline section 22, flow field disturbance is equipped in lower interconnecting piece 24 and is tied
Structure 25, as shown in Figure 2.
The entrance of the kindling material capturing device 2 is connected with cooling stack 1, and cooling stack 1 uses plunger flow flue, cooling stack
1 wall surface is provided with absorber, the radiation heat release of high-temperature flue gas is absorbed while guiding flue gas, flue gas and institute's dust-laden are through cold
But the elbow at 1 top of flue enters kindling material capturing device 2, and the flue-gas temperature into kindling material capturing device 2 is not up to blast temperature
Region.Kindling material capturing device 2 using plug flow flue structure while, be provided with flow field perturbations 25, using gravity and from
Bulky grain and group in the effect rapid acquiring flue gas of mental and physical efforts is grey (kindling material).Wherein, the effect of flow field perturbations 3 is:Change
Become velocity vector distribution, forming a certain range of low regime in the higher region of particle concentration (can be understood as changing flow field
The flow direction of 3 surrounding fluid of perturbations reduces the flowing velocity of 3 surrounding fluid of flow field perturbations).
In the present embodiment, which contains first decline pipeline section, 21, first risings set gradually
Pipeline section 22, second declines pipeline section 21, second and rises pipeline section 22 and third decline pipeline section 21, as shown in Figure 2.Flue gas enters
Decline stage, ascent stage, decline stage, ascent stage and decline stage will be undergone successively after the kindling material capturing device 2.
In the present embodiment, the tube wall of the kindling material capturing device 2, which can be radiator, can also make heat guard.When the fire
When the tube wall of kind capturing device 2 is radiator, i.e., the tube wall of the kindling material capturing device 2 is heat dissipation type tube wall, kindling material trapping dress
When the tube wall set is membrane wall, the cooling medium of the membrane wall can be water, conduction oil or fused salt etc..The type of cooling is generally evaporated
It is cooling, or cool down without phase-change.
In the present embodiment, the structure of flow field perturbations 25 can be heat guard or wear-resistant pipe or wall surface
Raised or sunken or flow field perturbations 25 be that protrusion and the alternately arranged structure of being recessed (can be understood as being similar to and rub with the hands
The planform of clothing plate surface).Flow field perturbations 25 are less than flow field perturbations 25 to decline to the distance for rising pipeline section 22
The distance of pipeline section 21, as flow field perturbations 25 are located at the lower section of rising pipeline section 22.The lower end of lower interconnecting piece 24 is equipped with particulate matter
The position of collection or discharge structure 26, flow field perturbations 25 is corresponding up and down with the position of particulate collection or discharge structure 26,
I.e. particulate collection or discharge structure 26 are located at the underface of flow field perturbations 25.
In the present embodiment, particulate collection or discharge structure 26 are lime-ash floss hole.Being set as lime-ash floss hole is more
A single mouth is set up in parallel.The size of lime-ash floss hole is smaller, does not influence the plug flow movement of flue gas.Lime-ash floss hole only has
Discharge is just opened when the ingredient of flue gas is air.
In the present embodiment, the 2 serpentine-like pipe structure of kindling material capturing device will using kindling material its own gravity and inertia force
Group's ash, bulky grain etc. are detached from flue gas.The pipe design of the kindling material capturing device 2 should ensure that flow of flue gas is smooth.Flue gas exists
Liquid form in the kindling material capturing device 2 is similar to plug flow.There is no flue gas residence is apparent in the kindling material capturing device 2
The regions such as whirlpool.
Cylindrical shape or rectangular may be used in the appearance of cooling stack 1.The shape of membrane wall may be used in cooling stack 1
The cooling medium of formula, membrane wall generally uses water or conduction oil, fused salt etc..The type of cooling generally evaporates cooling, also may be used
To cool down without phase-change.The design of cooling stack 1 ensures that flow of flue gas is smooth.Liquid form of the flue gas in cooling stack 1 is approximate
In plug flow.There is no the regions such as the apparent whirlpool of flue gas residence in cooling stack 1.
When in use, the high-temperature flue gas that converter 5 generates in smelting process passes through the cooling stack 1 above converter
800 DEG C~1000 DEG C are cooled to based on radiation heat transfer to flue gas, then sequentially enters kindling material capturing device 2 of the present invention.
The high temperature solids separations such as bulky grain, group's ash that kindling material capturing device 2 can carry converter gas, and outside discharger.
In flue gas flow, kindling material capturing device 2 is before dry collector 4;Gas with blasting compound, temperature are higher than
Kindling material capturing device 2 is set in 610 DEG C of flue gas flow.Kindling material capturing device 2 uses principle of inertia, by changing flowing side
To using kindling material its own gravity and inertia force, group's ash, bulky grain etc. are detached from flue gas.The design of kindling material capturing device 2 is protected
It is smooth to demonstrate,prove flow of flue gas.Liquid form of the flue gas in kindling material capturing device is similar to plug flow.In kindling material capturing device not
There are the regions such as the whirlpool of flue gas residence.
In the present embodiment, between kindling material capturing device 2 and heat convection waste-heat recovery device 3 by evaporated flue 11,
Adiabatic flue or water-cooled flue connection.If the entrance of kindling material capturing device 2 is connect with the outlet of converter flue 1, kindling material trapping dress
2 outlet is set to connect with the entrance of evaporated flue 11.Heat convection waste-heat recovery device 3 is internally provided with heat-transfer surface 12, right
Ash discharging gear is arranged in the bottom of stream heat exchange waste-heat recovery device 3.
Generally using the form of transversal flow, horizontal plain tube, finned tube can also be used in heat convection waste-heat recovery device 3.
Tube bank is generally using cross-flow arrangement or down current arrangement.Generally restrains using protection false tube or add in the head two rows of windward side
Fill wear strip.Cooling medium generally uses water or conduction oil, fused salt etc..The type of cooling generally evaporates cooling, or
It cools down without phase-change.The design of convective heat transfer device ensures that flow of flue gas is smooth.Liquid form of the flue gas in convective heat transfer device
It is similar to plug flow.There is no the regions such as the whirlpool of flue gas residence in convective heat transfer device.
In the present embodiment, the outlet of wind turbine 5 is connected by switching valve 6 and the first discharge line 61 and the second discharge line 62
It connects, the first discharge line 61 is connected with chimney 9, and the second discharge line 62 is connected with gas chamber 8, and switching valve 6 can make 5 row of wind turbine
The flue gas gone out enters chimney 9 or gas chamber 8.
Second discharge line 62 be equipped with air cooling device 7 or low temperature heat exchanger or dry collector 4 and wind turbine 5 it
Between be equipped with air cooling device 7 or low temperature heat exchanger.Air cooling device 7 can be realized converter gas from 150 DEG C~250 DEG C to 70 DEG C
Pure dry type cooling below.Air cooling device 7 is generally using the multitubular bundles air free convection form being vertically arranged.Single tube appearance one
As use cylindrical shape, or ellipse.
The design of air cooling device 7 ensures that flow of flue gas is smooth.Liquid form of the flue gas in air cooling device is similar to plunger
Stream.There is no the regions such as the whirlpool of flue gas residence in air cooling device.Before coal gas of converter enters gas chamber, using such as:Air-cooled dress
It sets or the indirect cooling device of low temperature heat exchanger etc. carries out depth cooling, meet the temperature requirement into gas holder.
A kind of absolutely dry cooling means of flue gas is described below, it is complete that cooling means that the flue gas is absolutely dry uses above-mentioned converter gas
Dry calibration device, the absolutely dry cooling means of flue gas include the following steps successively:
The flue gas that converter 13 is discharged is cooled to 800 DEG C~1000 DEG C by step 1, converter flue 1;
Step 2, kindling material capturing device 2 detach the high-temp solid object carried in the flue gas;
The flue gas is cooled to 150 DEG C~250 DEG C by step 3, heat convection waste-heat recovery device 3;
Step 4, dry collector 4 purify the flue gas;
The purified flue gas is discharged for step 5, wind turbine 5.
Flue gas is discharged in the upper end of converter 13, and flue gas (is turned by the converter gas radiation heat transfer device above converter 13
Stove flue 1), flue gas is cooled to 800 DEG C~1000 DEG C, enters kindling material capturing device 2, enters back into heat convection waste heat and returns
Receiving apparatus 3.Flue gas is cooled to 150 DEG C~250 DEG C or so by heat convection waste-heat recovery device 3 from 800 DEG C~1000 DEG C, later
Flue gas enters air cooling device, and smoke temperature is from 150 DEG C~250 DEG C dry calibrations to 70 DEG C or less.Kindling material capturing device is by converter gas
The high temperature solids separations such as bulky grain, the group's ash of carrying, and outside discharger.It is characterized in that using the shape of whole indirect heat exchanges
Formula is by near 70 DEG C of flue-gas temperature hereinafter, realizing the function of following three aspect simultaneously:1, converter gas is at 610 DEG C or less, no
The high temperature solids such as bulky grain, group's ash are carried, thus convective heat transfer device etc. is not present and carries energy band by high-temp solid object
The hidden peril of explosion come.2, the obvious heat of smoke for recycling 150 DEG C~250 DEG C or more, realizes the full recycling of fume afterheat;3, converter is realized
Flue gas pure dry type cooling below from 150 DEG C~250 DEG C to 70 DEG C.
The high-temperature flue gas generated in converter steelmaking process, by the converter flue 1 above converter to flue gas to radiate
It is cooled to 1000 DEG C based on heat exchange, then passes through kindling material capturing device 2, adiabatic flue successively (or more than evaporated flue 11, heat convection
Heat reclamation device 3 is cooled to 150 DEG C~250 DEG C, efficient dry collector 4 (such as electric precipitation, ceramic-film tube dedusting) progress
Gas cleaning, wind turbine 5, reversal valve in flue gas switching station, coal gas of converter qualified all the way is using air cooling device 7 after switching valve 6
Temperature drop to 70 DEG C or less enter gas chamber 8;Disposable coal gas or flue gas are through the burning heel row air of chimney 9 all the way.Flue gas is absolutely dry
Dust under cooling system is collected can be used for converter cold burden, substitute steel scrap or iron ore needed for converter smelting.Total system does not spray
Enter steam or water, Non-aqueous processing facility.
The above, only specific embodiments of the present invention, the range that cannot be implemented with its restriction invention, so it is equivalent
The displacement of component, or according to equivalent variations made by scope of patent protection of the present invention and modification, should all still fall within what this patent was covered
Scope.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical solution, technical solution with
Use can be freely combined between technical solution.
Claims (10)
1. a kind of converter gas dry type cooling device, which is characterized in that the converter gas dry type cooling device include according to
Converter flue (1), kindling material capturing device (2), heat convection waste-heat recovery device (3), dry collector (4) and the wind of secondary setting
Machine (5).
2. converter gas dry type cooling device according to claim 1, which is characterized in that converter flue (1) contains film
The section of formula wall, converter flue (1) is round or polygon.
3. converter gas dry type cooling device according to claim 1, which is characterized in that the kindling material capturing device (2)
Including the decline pipeline section (21) being arranged alternately and rise pipeline section (22), declines the entry position of pipeline section (21) higher than decline pipeline section
(21) outlet port rises the entry position of pipeline section (22) less than the outlet port for rising pipeline section (22), under adjacent two
It drops and is connected to by upper interconnecting piece (23) or lower interconnecting piece (24) between pipeline section (21) and rising pipeline section (22), in lower interconnecting piece (24)
Equipped with flow field perturbations (25).
4. converter gas dry type cooling device according to claim 3, which is characterized in that the kindling material capturing device (2)
Containing set gradually first decline pipeline section (21), first rise pipeline section (22), second decline pipeline section (21), second
Rise pipeline section (22) and third declines pipeline section (21), flow field perturbations (25) are heat guard, wear-resistant pipe, bulge-structure or recessed
Fall into structure.
5. converter gas dry type cooling device according to claim 3, which is characterized in that flow field perturbations (25) arrive
The distance for rising pipeline section (22) is less than flow field perturbations (25) to the distance for declining pipeline section (21);The lower end of lower interconnecting piece (24)
Equipped with particulate collection or discharge structure (26), position and particulate collection or the discharge structure (26) of flow field perturbations (25)
Position it is corresponding up and down.
6. converter gas dry type cooling device according to claim 1, which is characterized in that kindling material capturing device (2) with
It is connected by evaporated flue (11), adiabatic flue or water-cooled flue between heat convection waste-heat recovery device (3).
7. converter gas dry type cooling device according to claim 1, which is characterized in that heat convection waste heat recovery fills
That sets (3) is internally provided with heat-transfer surface (12), and ash discharging gear is arranged in the bottom of heat convection waste-heat recovery device (3).
8. converter gas dry type cooling device according to claim 1, which is characterized in that the outlet of wind turbine (5) passes through
Switching valve (6) is connect with the first discharge line (61) and the second discharge line (62), and the first discharge line (61) is connected with chimney
(9), the second discharge line (62) is connected with gas chamber (8), and the flue gas that switching valve (6) can be such that wind turbine (5) is discharged enters chimney
(9) or gas chamber (8).
9. converter gas dry type cooling device according to claim 8, which is characterized in that on the second discharge line (62)
Equipped between air cooling device (7) or low temperature heat exchanger or dry collector (4) and wind turbine (5) be equipped with air cooling device (7) or
Low temperature heat exchanger.
10. a kind of absolutely dry cooling means of flue gas, which is characterized in that the absolutely dry cooling means of flue gas uses claim 1 institute
The converter gas dry type cooling device stated, the absolutely dry cooling means of flue gas include the following steps successively:
The flue gas that converter (13) is discharged is cooled to 800 DEG C~1000 DEG C by step 1, converter flue (1);
Step 2, kindling material capturing device (2) detach the high-temp solid object carried in the flue gas;
The flue gas is cooled to 150 DEG C~250 DEG C by step 3, heat convection waste-heat recovery device (3);
Step 4, dry collector (4) purify the flue gas;
The purified flue gas is discharged for step 5, wind turbine (5).
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109487031A (en) * | 2018-12-25 | 2019-03-19 | 北京京诚科林环保科技有限公司 | A kind of converter gas dry dust removal and full waste heat recovery apparatus |
CN111850225A (en) * | 2019-04-25 | 2020-10-30 | 北京凯德恒源科技发展有限公司 | Full-dry method converter primary flue gas purification method based on deep recovery of heat energy |
CN114921608A (en) * | 2022-06-15 | 2022-08-19 | 北京勤泽鸿翔冶金科技有限公司 | Converter flue gas waste heat recovery and purification process |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4050682A (en) * | 1975-03-31 | 1977-09-27 | Pennsylvania Engineering Corporation | Method and apparatus for handling off-gases from metal refining vessel |
CN101691624A (en) * | 2009-09-21 | 2010-04-07 | 无锡市东方环境工程设计研究所有限公司 | Purifying and recovering process of absolute dry bag-type converter gas negative energy |
CN201634707U (en) * | 2009-12-25 | 2010-11-17 | 北京京诚科林环保科技有限公司 | Recovery of waste heat and bag dust-removal system |
CN106906331A (en) * | 2017-03-30 | 2017-06-30 | 河北华奥节能科技有限公司 | A kind of dry-method dust-removal device and method for reclaiming converter gas waste heat |
CN107739771A (en) * | 2017-11-30 | 2018-02-27 | 北京瑞达宏信科技有限公司 | Coal gas of converter heat energy full-dry method purifying recovery method and its device |
CN108048619A (en) * | 2018-01-25 | 2018-05-18 | 阳春新钢铁有限责任公司 | A kind of converter dry dedusting and waste-heat recovery device and method |
CN208562435U (en) * | 2018-07-12 | 2019-03-01 | 北京京诚科林环保科技有限公司 | A kind of converter gas dry type cooling device |
-
2018
- 2018-07-12 CN CN201810761899.7A patent/CN108546796B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4050682A (en) * | 1975-03-31 | 1977-09-27 | Pennsylvania Engineering Corporation | Method and apparatus for handling off-gases from metal refining vessel |
CN101691624A (en) * | 2009-09-21 | 2010-04-07 | 无锡市东方环境工程设计研究所有限公司 | Purifying and recovering process of absolute dry bag-type converter gas negative energy |
CN201634707U (en) * | 2009-12-25 | 2010-11-17 | 北京京诚科林环保科技有限公司 | Recovery of waste heat and bag dust-removal system |
CN106906331A (en) * | 2017-03-30 | 2017-06-30 | 河北华奥节能科技有限公司 | A kind of dry-method dust-removal device and method for reclaiming converter gas waste heat |
CN107739771A (en) * | 2017-11-30 | 2018-02-27 | 北京瑞达宏信科技有限公司 | Coal gas of converter heat energy full-dry method purifying recovery method and its device |
CN108048619A (en) * | 2018-01-25 | 2018-05-18 | 阳春新钢铁有限责任公司 | A kind of converter dry dedusting and waste-heat recovery device and method |
CN208562435U (en) * | 2018-07-12 | 2019-03-01 | 北京京诚科林环保科技有限公司 | A kind of converter gas dry type cooling device |
Non-Patent Citations (2)
Title |
---|
张丽珠;: "济钢12t转炉烟气干法降温及净化除尘工艺探讨" * |
张晓陶;: "高炉冶炼除尘系统的改进" * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109487031A (en) * | 2018-12-25 | 2019-03-19 | 北京京诚科林环保科技有限公司 | A kind of converter gas dry dust removal and full waste heat recovery apparatus |
CN109487031B (en) * | 2018-12-25 | 2024-04-05 | 北京京诚科林环保科技有限公司 | Dry dust removal and full waste heat recovery equipment for converter flue gas |
CN111850225A (en) * | 2019-04-25 | 2020-10-30 | 北京凯德恒源科技发展有限公司 | Full-dry method converter primary flue gas purification method based on deep recovery of heat energy |
CN114921608A (en) * | 2022-06-15 | 2022-08-19 | 北京勤泽鸿翔冶金科技有限公司 | Converter flue gas waste heat recovery and purification process |
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