CN109280736A - A New Process for Evaporation and Cooling of Converters - Google Patents
A New Process for Evaporation and Cooling of Converters Download PDFInfo
- Publication number
- CN109280736A CN109280736A CN201811458152.0A CN201811458152A CN109280736A CN 109280736 A CN109280736 A CN 109280736A CN 201811458152 A CN201811458152 A CN 201811458152A CN 109280736 A CN109280736 A CN 109280736A
- Authority
- CN
- China
- Prior art keywords
- heat
- gas
- heat exchange
- dust removal
- converter
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 238000001704 evaporation Methods 0.000 title 1
- 230000008020 evaporation Effects 0.000 title 1
- 239000000428 dust Substances 0.000 claims abstract description 69
- 230000008016 vaporization Effects 0.000 claims abstract description 22
- 238000009834 vaporization Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 62
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 30
- 239000003546 flue gas Substances 0.000 claims description 30
- 238000011084 recovery Methods 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 2
- 238000012805 post-processing Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 description 14
- 239000003034 coal gas Substances 0.000 description 7
- 230000008676 import Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention relates to converter gas cooling technology fields, disclose a kind of converter vaporization cooling new process, including evaporated flue, high-temperature dust removal heat-exchanger rig, refined dedusting device and blower, described evaporated flue one end connects converter, the other end is connected to the high-temperature dust removal heat-exchanger rig, the output end of the high-temperature dust removal heat-exchanger rig is connected to the refined dedusting device, and the output end of the refined dedusting device is connected with the blower；The technique can recycle to greatest extent the heat of converter gas, while substantially reduce the waste of water resource in steel production.
Description
Technical field
The present invention relates to converter gas cooling technology fields, and in particular to a kind of converter vaporization cooling new process.
Background technique
Oxygen converter steelmaking is the prevailing method for making steel in the world today, can be generated up in convertor steelmaking process
1700-2400 DEG C of high-temperature flue gas.Currently, the fume treatment of national steelmaking converter, the overwhelming majority use wet-treating process, it should
Flue-gas temperature is down to 900- by 1700-2400 DEG C through overskirt, gasification cooling flue recovered steam by converter gas in process flow
1000 DEG C, then remaining flue gas is passed through level-one venturi tube by exhaust gases passes and second level venturi tube spray equipment carries out cooling and removes
Dirt, this partial heat can be lost with shower water, not only wasted heat, but also steel per ton can generate nearly 4 tons of sewage, be caused big
Water resource waste is measured, environment is seriously polluted.From the foregoing, it will be observed that waste heat is only partially recycled in traditional converter vaporization cooling technique, energy
Source waste is big, while great lot of water resources wastes.It is cold to develop a kind of converter vaporization by many-sided research and discovery by the applicant
But new process can recycle to a greater extent the heat of converter gas, while substantially reduce the waste of water resource in steel production.
Summary of the invention
It, should in view of the deficiencies of the prior art, the present invention intends to provide a kind of converter vaporization cooling new process
Technique can recycle to greatest extent the heat of converter gas, while substantially reduce the waste of water resource in steel production.
To achieve the goals above, the invention provides the following technical scheme:
A kind of converter vaporization cooling new process, including evaporated flue, high-temperature dust removal heat-exchanger rig, refined dedusting device and blower,
Described evaporated flue one end connects converter, and the other end is connected to the high-temperature dust removal heat-exchanger rig, the high-temperature dust removal heat-exchanger rig
Output end be connected to the refined dedusting device, the output end of the refined dedusting device is connected with the blower；
The high-temperature dust removal heat-exchanger rig includes several groups heat-exchanger rig and dust-extraction unit, heat-exchanger rig described in several groups according to
Secondary connection, each heat-exchanger rig are set as including shell, several diversion pipes and baffle plate, the shell be equipped with flue gas into
Mouth, exhanst gas outlet, recuperated gas import, recuperated gas outlet and dust outlet, the dust outlet and the dust-extraction unit connect
It is logical；Several diversion pipes penetrate through the baffle plate, and its both ends is respectively communicated with the recuperated gas import and the heat exchange
Gas vent；The baffle plate is fixedly connected with the shell.
In the present invention, it is preferred to, the lower end of each heat-exchanger rig is correspondingly arranged a dust-extraction unit；It is described to remove
Dirt device is cyclone dust collectors or bag filter.
In the present invention, it is preferred to, the high-temperature dust removal heat-exchanger rig is also connected with gas-circulating system, and the gas follows
Loop system includes heat exchanger, apparatus for reusing residual heat and circulating fan；The input terminal of the heat exchanger and the recuperated gas into
Mouth connection, output end are connected to the circulating fan, are exchanged heat for the gas after heat exchange to be imported the high-temperature dust removal again
In device, the heat exchanger is connect with the apparatus for reusing residual heat, for providing heat for the apparatus for reusing residual heat.
In the present invention, it is preferred to, the apparatus for reusing residual heat is power generator.
In the present invention, it is preferred to, the refined dedusting device is one group or multiple groups bag filter, the bag filter
It is sequentially communicated, and its lower end is equipped with dust recovery approach.
In the present invention, it is preferred to, the new process further includes after-treatment system, and the after-treatment system includes that threeway is cut
Change valve, gas cooler, gas chamber, diffusing tower；The three-way switch valve is connected to the output end of the blower, and is passed through respectively
The gas cooler is connected to the gas chamber and the diffusing tower.
In the present invention, it is preferred to, the exit of the dust recovery approach of the dust-extraction unit and the refined dedusting device is set
There is small handcart, for collecting dust.
Compared with prior art, the beneficial effects of the present invention are:
High-temperature dust removal heat-exchanger rig is used in converter vaporization cooling new process of the invention, the high-temperature dust removal heat-exchanger rig
It is made of heat-exchanger rig and dust-extraction unit, flue gas is from top to bottom run in heat-exchanger rig, and dust is under the effect of gravity in flue gas
It falls, cooperation dust-extraction unit makes dust in flue gas further fall, and realizes the purpose of high-effective dust-removing；Heat in flue gas simultaneously
Heat exchange is carried out with recuperated gas, hot gas and heat exchanger are exchanged heat, or is directly utilized, realizes recycling converter to greatest extent
The heat of flue gas, and do not use water in this technique and carry out depositing dust, substantially reduce the waste of water resource in steel production, more ring
It protects.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of converter vaporization cooling new process in embodiment 1；
Fig. 2 is the structural schematic diagram of converter vaporization cooling new process high temperature dust-removing heat-exchanger in embodiment 1；
Fig. 3 is the structural schematic diagram of evaporated flue in straight tube micronic dust processor in embodiment 1；
Fig. 4 is the structural schematic diagram of converter vaporization cooling new process in embodiment 2.
Main element symbol description in attached drawing: 1- evaporated flue, 2- high-temperature dust removal heat-exchanger rig, 21- heat-exchanger rig, 211-
Shell, 212- diversion pipe, 213- baffle plate, 22- dust-extraction unit, 3- refined dedusting device, 4- blower, 5- converter, 6- gas cyclic system
System, 61- heat exchanger, 62- apparatus for reusing residual heat, 63- circulating fan, 7- after-treatment system, 71- three-way switch valve, 72- coal gas
Cooler, 73- gas chamber, 74- diffusing tower, 8- small handcart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiment 1: please referring also to Fig. 1 to Fig. 3 provides a kind of converter vaporization cooling new process in the present embodiment, including
Evaporated flue 1, high-temperature dust removal heat-exchanger rig 2, refined dedusting device 3 and blower 4, described 1 one end of evaporated flue connects converter 5, another
End is connected to the high-temperature dust removal heat-exchanger rig 2, and the output end of the high-temperature dust removal heat-exchanger rig 2 is connected to the refined dedusting device 3,
The output end of the refined dedusting device 3 is connected with the blower 4, and the blower 4 is the power source of whole system, real under its effect
Existing flue gas passes sequentially through evaporated flue 1, high-temperature dust removal heat-exchanger rig 2 and refined dedusting device 3；
The high-temperature dust removal heat-exchanger rig 2 includes several groups heat-exchanger rig 21 and dust-extraction unit 22, is exchanged heat described in several groups
Device 21 is sequentially communicated, and each heat-exchanger rig 21 is set as including shell 211, several diversion pipes 212 and baffle plate 213,
The shell 211 is equipped with gas inlet, exhanst gas outlet, recuperated gas import, recuperated gas outlet and dust outlet, the powder
Dirt outlet is connected to the dust-extraction unit 22；Several diversion pipes 212 penetrate through the baffle plate 213, and its both ends is distinguished
It is connected to the recuperated gas import and recuperated gas outlet；The baffle plate 213 is fixedly connected with the shell 211.Into
One step, in the present embodiment, the heat-exchanger rig 21 is set as three groups, and the lower end of each heat-exchanger rig 21 is correspondingly arranged one
The dust-extraction unit 22；The dust-extraction unit 22 is cyclone dust collectors or bag filter.The high-temperature dust removal heat-exchanger rig 2 by
Heat-exchanger rig 21 and dust-extraction unit 22 form, and flue gas is from top to bottom run in heat-exchanger rig 21, and dust is made in gravity in flue gas
With whereabouts, cooperates dust-extraction unit 22 that dust in flue gas is further fallen, realize the purpose of high-effective dust-removing；Simultaneously in flue gas
Heat and recuperated gas carry out heat exchange described in recuperated gas can select the inert gases such as nitrogen, argon gas), by hot gas with
Heat exchanger 61 exchanges heat, or directly utilizes, and realizes the heat of recycling converter gas to greatest extent, and does not use in this technique
Carry out depositing dust to water, substantially reduces the waste of water resource in steel production, it is more environmentally-friendly.In other embodiments, high temperature heat exchange removes
Multiple groups can be set in dirt device 2, and each group high-temperature dust removal heat-exchanger rig 2 is connected to by connecting line, and the connecting line is equipped with
Control valve controls the working condition of each group high-temperature dust removal heat-exchanger rig 2 under the action of control valve as needed, such as: one group
Perhaps two groups of in running order another group of spare or inspecting states, such set-up mode make this technique more flexible,
Applicability is high；It simultaneously being capable of easy to repair or maintenance each group high-temperature dust removal heat-exchanger rig 2.
In the present embodiment, the high-temperature dust removal heat-exchanger rig 2 is also connected with gas-circulating system 6, the gas circulation
System 6 includes heat exchanger 61, apparatus for reusing residual heat 62 and circulating fan 63；The input terminal of the heat exchanger 61 and the heat exchange
Gas feed connection, output end are connected to the circulating fan 63, for the gas after heat exchange to be imported the high temperature again
In dust-removing heat-exchanger 2, the heat exchanger 61 is connect with the apparatus for reusing residual heat 62, for recycling dress for the waste heat
62 offer heats are provided.In the present embodiment, the apparatus for reusing residual heat 62 is power generator or scrap preheater.In reality
Border test in, the power generator can also use dry coke quenching generation technology, input terminal directly with the recuperated gas import
Connection, output end are connected to the circulating fan 63, its working principle is that: after high-temperature dust removal heat-exchanger rig 2, hot is lazy
Property protective gas under the action of circulating fan 63 enter steam turbine drive electrical power generators, the cryogenic inert gas after power generation
Body blasts high-temperature dust removal heat-exchanger rig 2 by circulating fan 63 and carries out heat exchange again, so recycles.Utilize the efficient high temperature cigarette
Gas dust pelletizing system, and it is equipped with gas-circulating system 6, form a set of completely new, safety converter vaporization cooling new process.
In the present embodiment, the refined dedusting device 3 is one group or multiple groups bag filter, and the bag filter is successively
Connection, and its lower end is equipped with dust recovery approach；In the present embodiment, the bag filter selects antiknock explosion-proof type cloth bag to remove
The converter gas pure dry dust removing technique that dirt device is established, the combination is scientific and reasonable, constitutes completely new dust collecting process；Flue gas warp
After crossing high temperature dust-removing heat-exchanger 2, flue-gas temperature is reduced to 100-150 DEG C, and dustiness is reduced to 10-15g/Nm3(mark condition)；Again
After bag filter dedusting, dust content is reduced to 10mg//Nm3(mark condition) is hereinafter, meet the requirement of protection environment.
In the present embodiment, the exit of the dust recovery approach of the dust-extraction unit 22 and the refined dedusting device 3 is equipped with
Small handcart 8, for collecting dust.
Embodiment 2: please referring also to Fig. 1 to Fig. 4, the difference with embodiment 1 are only that: after the new process further includes
Processing system 7, the after-treatment system 7 include three-way switch valve 71, gas cooler 72, gas chamber 73, diffusing tower 74；It is described
Three-way switch valve 71 is connected to the output end of the blower 4, and passes through the gas cooler 72 and the gas chamber 73 respectively
And the diffusing tower 74 is connected to；The flue gas is after a series of processing, then qualified flue gas is to turn by post-treated system 7
Producer gas, coal gas of converter are sent into after gas cooler 72 is cooled to 50 DEG C or less and are recycled into gas chamber 73；It is underproof
Coal gas is then sent into diffusing tower 74 and carries out burning release.
Process flow: up to 1700-2400 DEG C of high-temperature flue gas can be generated in convertor steelmaking process, flue gas is through overflash
Flue-gas temperature is down to 900-1000 DEG C by 1700-2400 DEG C under the effect of evaporated flue 1 by flue 1；High-temperature dust removal is passed through again to change
In thermal 2, flue gas is from top to bottom run in heat-exchanger rig 21, and dust falls under the effect of gravity in flue gas, cooperates dedusting
Device 22 makes dust in flue gas further fall, and realizes the purpose of high-effective dust-removing；Heat and recuperated gas in flue gas simultaneously
Heat exchange is carried out, hot gas and heat exchanger 61 are exchanged heat, or is directly utilized, realizes the heat of recycling converter gas to greatest extent
Amount, and do not use water in this technique and carry out depositing dust, the waste of water resource in steel production is substantially reduced, it is more environmentally-friendly；Flue gas
After high-temperature dust removal heat-exchanger rig 2, flue-gas temperature is reduced to 100-150 DEG C, after 3 dedusting of refined dedusting device, finally post-processes
Qualified flue gas is coal gas of converter by system 7, and coal gas of converter, which is sent into after gas cooler 72 is cooled to 50 DEG C or less, enters coal
Gas holder 73 is recycled；Underproof coal gas is then sent into diffusing tower 74 and carries out burning release.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458152.0A CN109280736A (en) | 2018-11-30 | 2018-11-30 | A New Process for Evaporation and Cooling of Converters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458152.0A CN109280736A (en) | 2018-11-30 | 2018-11-30 | A New Process for Evaporation and Cooling of Converters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109280736A true CN109280736A (en) | 2019-01-29 |
Family
ID=65173680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811458152.0A Pending CN109280736A (en) | 2018-11-30 | 2018-11-30 | A New Process for Evaporation and Cooling of Converters |
Country Status (1)
| Country | Link |
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| CN (1) | CN109280736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623642A (en) * | 2020-06-12 | 2020-09-04 | 江苏世能化工设备有限公司 | Bauxite high-temperature dust-removing heat-exchanging integrated equipment |
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|---|---|---|---|---|
| WO1998001590A1 (en) * | 1996-07-10 | 1998-01-15 | Voest-Alpine Industrieanlagenbau Gmbh | Process for reusing dusts from metallurgical processes, such as steel converter dusts containing zinc |
| CN101245400A (en) * | 2008-03-19 | 2008-08-20 | 中国科学院力学研究所 | Steelmaking converter gas dry recovery and sensible heat power generation system |
| CN101736117A (en) * | 2009-12-17 | 2010-06-16 | 上海宝钢工程技术有限公司 | Converter fume high-temperature bag dust removal and recycling and secondary steam recycling system |
| CN204827565U (en) * | 2015-08-06 | 2015-12-02 | 胡爱伦 | Nitrogen gas and argon gas heating work done power generation system |
| CN107447072A (en) * | 2017-09-29 | 2017-12-08 | 四川德胜集团钒钛有限公司 | A kind of steelmaking converter flue gas dust collecting system |
| CN108823352A (en) * | 2018-06-21 | 2018-11-16 | 中国科学院力学研究所 | A kind of converter gas dry type waste heat recycling dust-extraction unit and method |
| CN209128478U (en) * | 2018-11-30 | 2019-07-19 | 天津正元合科技开发有限公司 | A kind of converter vaporization cooling new process system |
-
2018
- 2018-11-30 CN CN201811458152.0A patent/CN109280736A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001590A1 (en) * | 1996-07-10 | 1998-01-15 | Voest-Alpine Industrieanlagenbau Gmbh | Process for reusing dusts from metallurgical processes, such as steel converter dusts containing zinc |
| CN101245400A (en) * | 2008-03-19 | 2008-08-20 | 中国科学院力学研究所 | Steelmaking converter gas dry recovery and sensible heat power generation system |
| CN101736117A (en) * | 2009-12-17 | 2010-06-16 | 上海宝钢工程技术有限公司 | Converter fume high-temperature bag dust removal and recycling and secondary steam recycling system |
| CN204827565U (en) * | 2015-08-06 | 2015-12-02 | 胡爱伦 | Nitrogen gas and argon gas heating work done power generation system |
| CN107447072A (en) * | 2017-09-29 | 2017-12-08 | 四川德胜集团钒钛有限公司 | A kind of steelmaking converter flue gas dust collecting system |
| CN108823352A (en) * | 2018-06-21 | 2018-11-16 | 中国科学院力学研究所 | A kind of converter gas dry type waste heat recycling dust-extraction unit and method |
| CN209128478U (en) * | 2018-11-30 | 2019-07-19 | 天津正元合科技开发有限公司 | A kind of converter vaporization cooling new process system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623642A (en) * | 2020-06-12 | 2020-09-04 | 江苏世能化工设备有限公司 | Bauxite high-temperature dust-removing heat-exchanging integrated equipment |
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Application publication date: 20190129 |
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