CN203393169U - Nitrogen recovery device of blast furnace coal injection system - Google Patents
Nitrogen recovery device of blast furnace coal injection system Download PDFInfo
- Publication number
- CN203393169U CN203393169U CN201320403766.5U CN201320403766U CN203393169U CN 203393169 U CN203393169 U CN 203393169U CN 201320403766 U CN201320403766 U CN 201320403766U CN 203393169 U CN203393169 U CN 203393169U
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- CN
- China
- Prior art keywords
- pressure relief
- pressure release
- nitrogen
- valve
- injection
- 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.)
- Expired - Fee Related
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003245 coal Substances 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 title claims abstract description 12
- 239000007924 injection Substances 0.000 title claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 title abstract description 20
- 238000011084 recovery Methods 0.000 title abstract 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000002817 coal dust Substances 0.000 abstract description 5
- 229910000805 Pig iron Inorganic materials 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
- Y02P10/20—Recycling
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320403766.5U CN203393169U (en) | 2013-07-09 | 2013-07-09 | Nitrogen recovery device of blast furnace coal injection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320403766.5U CN203393169U (en) | 2013-07-09 | 2013-07-09 | Nitrogen recovery device of blast furnace coal injection system |
Publications (1)
Publication Number | Publication Date |
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CN203393169U true CN203393169U (en) | 2014-01-15 |
Family
ID=49904715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320403766.5U Expired - Fee Related CN203393169U (en) | 2013-07-09 | 2013-07-09 | Nitrogen recovery device of blast furnace coal injection system |
Country Status (1)
Country | Link |
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CN (1) | CN203393169U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104084701A (en) * | 2014-06-20 | 2014-10-08 | 张婧如 | Device for recovering nitrogen during laser cutting of wood |
CN105441608A (en) * | 2014-09-25 | 2016-03-30 | 鞍钢股份有限公司 | Coal injection nitrogen recovery device and process |
CN105624351A (en) * | 2016-03-17 | 2016-06-01 | 中冶华天南京工程技术有限公司 | Pulverized coal jetting, pressure releasing and powder returning technology and system |
CN107164591A (en) * | 2017-07-10 | 2017-09-15 | 中冶华天工程技术有限公司 | Nitrogen multiplex system and its method that a kind of tank of pulverized coal injection three is blown side by side |
CN115232898A (en) * | 2022-07-27 | 2022-10-25 | 重庆钢铁股份有限公司 | Blast furnace coal injection system and injection tank pressure equalizing and nitrogen recovery method thereof |
-
2013
- 2013-07-09 CN CN201320403766.5U patent/CN203393169U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104084701A (en) * | 2014-06-20 | 2014-10-08 | 张婧如 | Device for recovering nitrogen during laser cutting of wood |
CN104084701B (en) * | 2014-06-20 | 2016-05-11 | 盐城雄鹰精密机械有限公司 | Nitrogen gas recovering apparatus in timber laser cutting |
CN105441608A (en) * | 2014-09-25 | 2016-03-30 | 鞍钢股份有限公司 | Coal injection nitrogen recovery device and process |
CN105624351A (en) * | 2016-03-17 | 2016-06-01 | 中冶华天南京工程技术有限公司 | Pulverized coal jetting, pressure releasing and powder returning technology and system |
CN105624351B (en) * | 2016-03-17 | 2018-09-14 | 中冶华天南京工程技术有限公司 | Breeze blowing pressure release back powder technique and system |
CN107164591A (en) * | 2017-07-10 | 2017-09-15 | 中冶华天工程技术有限公司 | Nitrogen multiplex system and its method that a kind of tank of pulverized coal injection three is blown side by side |
CN115232898A (en) * | 2022-07-27 | 2022-10-25 | 重庆钢铁股份有限公司 | Blast furnace coal injection system and injection tank pressure equalizing and nitrogen recovery method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LIUZHOU IRON AND STEEL CO., LTD. Free format text: FORMER OWNER: LIN JUNXIAN Effective date: 20140717 Free format text: FORMER OWNER: ZHANG GUANGPENG JIE ZHIFANG LU CHUNPING Effective date: 20140717 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140717 Address after: 545002 the Guangxi Zhuang Autonomous Region Liuzhou North Bird Road No. 117 Patentee after: Liuzhou Iron and Steel Co., Ltd. Address before: 545002 the Guangxi Zhuang Autonomous Region Liuzhou North Bird Road No. 117 Patentee before: Lin Junxian Patentee before: Zhang Guangpeng Patentee before: Jie Zhifang Patentee before: Lu Chunping |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20170709 |