CN203007354U - 400-series stainless steel settled dust comprehensive utilization system - Google Patents
400-series stainless steel settled dust comprehensive utilization system Download PDFInfo
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- CN203007354U CN203007354U CN2012206751693U CN201220675169U CN203007354U CN 203007354 U CN203007354 U CN 203007354U CN 2012206751693 U CN2012206751693 U CN 2012206751693U CN 201220675169 U CN201220675169 U CN 201220675169U CN 203007354 U CN203007354 U CN 203007354U
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- stainless steel
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- sintering
- settled dust
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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
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Abstract
The utility model relates to the technical field of metallurgy, and especially discloses a 400-series stainless steel settled dust comprehensive utilization system. The system comprises a sintering set, the sintering set is respectively connected with the feeding ends of a blast furnace group and a small blast furnace, and the discharging end of the small blast furnace is connected with a carbon steel processing workshop; the feeding end of the small blast furnace is also connected with an auxiliary sintering machine, and the discharging end of the blast furnace group is connected with a stainless steel processing workshop. In the system, when producing stainless steel, the sintering set guides the sintering material into the small blast furnace, the auxiliary sintering machine sinters the stainless steel 400 series settled dust and conveys the dust into the small blast furnace, and finally, guides the chromium-containing molten steel into the stainless steel processing workshop for processing stainless steel. The stainless steel 400-series settled dust in the system is high in recovery rate after being used in the stainless steel processing system, the effective value of chromium in the settled dust is fully used, so that the 400-series stainless steel settled dust comprehensive utilization system is high in production efficiency, and the processed stainless steel is low in cost and has better market competitiveness.
Description
Technical field
The utility model relates to metallurgical technology field, particularly a kind of 400 series stainless steel dedusting ash utilization systems.
Background technology
The technology of processing at present dedusting ash of stainless steel both at home and abroad is relatively many, roughly has by the retrieving arrangement classification: rotary hearth furnace technology, shaft furnace technology, plasma heating furnace technology, mineral hot furnace technology and furnace technology etc.Rotary hearth furnace technology, shaft furnace technology, plasma heating furnace technological investment are large, technical difficulty is also large, probably are difficult to realize in the short period of time in the stagnant situation of present steel industry.The mineral hot furnace technology is because power consumption is too high, and the sintering that its tooling cost is more traditional-ironmaking cost is high a lot, and can only contain the chromium pig iron piece for the stainless steel system provides, and causes the heat energy of its chromium-containing molten iron not to be utilized effectively.Furnace technology exists the adapted ratio limited, and 400 serial dedusting ash such as cannot digest completely at the problem.
Contain the ferriferous oxide of 37% left and right, the chromium of 10% left and right in wine steel stainless steel 400 serial dedusting ash, if the not treated direct discharging of the oxide compound of chromium wherein, can be to environment, and cause the wasting of resources.For the utilization of 400 serial dedusting ash mainly by take off at stainless steel three after pressure ball, converter and eaf process process recycle, but the annual recovery utilization rate only has 40%-45%, still have every year the 400 serial dedusting ash of more than 10,000 tons to accumulate, cause than overall situation and pollute pressure.
The utility model content
The purpose of this utility model is to provide the 400 series stainless steel dedusting ash utilization systems that a kind of recovery utilization rate is high, tooling cost is low.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of 400 series stainless steel dedusting ash utilization systems comprise the sintering unit, and the sinter machine group is connected respectively feed end and is connected with small furnace with the blast furnace group, and the discharge end of blast furnace group is connected with the carbon steel job shop; The feed end of described small furnace also is connected with secondary sinter machine, and the discharge end of small furnace is connected with the stainless steel job shop.
The utility model is combined carbon steel processing and stainless steel processing, and when producing plain carbon stool, the work of sintering unit also imports the blast furnace group with sintered material, then molten steel is imported carbon steel job shop production carbon steel.When producing stainless steel, the work of sintering unit also imports small furnace with sintered material, and the serial dedusting ash of secondary sinter machine sintered stainless steel 400 is allocated small furnace into, at last chrome-bearing steel water is imported stainless steel job shop processing stainless steel.The utility model is combined carbon steel processing and stainless steel processing, the recovery utilization rate that the serial dedusting ash of stainless steel 400 is used for after the stainless steel system of processing is high, make that in dedusting ash, the effective value of chromium is fully utilized, system's production efficiency is high and stainless steel that process is with low cost, has the better market competitiveness.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of 400 series stainless steel dedusting ash utilization systems, comprise sintering unit 1 as shown in the figure, and sintering unit 1 is connected with the feed end that blast furnace group 2 is connected with small furnace respectively, and the discharge end of blast furnace group 2 is connected with carbon steel job shop 5; The feed end of described small furnace 4 also is connected with secondary sinter machine 3, and the discharge end of small furnace 4 is connected with stainless steel job shop 6.
When producing plain carbon stool, 1 work of sintering unit also imports blast furnace group 2 with sintered material, then molten steel is imported carbon steel job shop 5 produces carbon steels.When producing stainless steel, 1 work of sintering unit also imports small furnace 4 with sintered material, and the secondary sinter machine 3 serial dedusting ash of sintered stainless steel 400 are allocated small furnace 4 into, at last chrome-bearing steel water is imported stainless steel job shop 6 processing stainless steels.
Claims (1)
1. series stainless steel dedusting ash utilization system, it is characterized in that comprising sintering unit (1), sintering unit (1) is connected 4 with blast furnace group (2) with small furnace respectively) feed end be connected, the discharge end of blast furnace group (2) is connected with carbon steel job shop (5); The feed end of described small furnace (4) also is connected with secondary sinter machine (3), and the discharge end of small furnace (4) is connected with stainless steel job shop (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206751693U CN203007354U (en) | 2012-12-10 | 2012-12-10 | 400-series stainless steel settled dust comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206751693U CN203007354U (en) | 2012-12-10 | 2012-12-10 | 400-series stainless steel settled dust comprehensive utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007354U true CN203007354U (en) | 2013-06-19 |
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ID=48598966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206751693U Expired - Fee Related CN203007354U (en) | 2012-12-10 | 2012-12-10 | 400-series stainless steel settled dust comprehensive utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203007354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048623A (en) * | 2017-11-28 | 2018-05-18 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of method that steel are carried out with chromium alloying |
| CN110724785A (en) * | 2019-10-18 | 2020-01-24 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System and method for spraying stainless steel dedusting ash to bottom of dephosphorization converter |
-
2012
- 2012-12-10 CN CN2012206751693U patent/CN203007354U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048623A (en) * | 2017-11-28 | 2018-05-18 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of method that steel are carried out with chromium alloying |
| CN110724785A (en) * | 2019-10-18 | 2020-01-24 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System and method for spraying stainless steel dedusting ash to bottom of dephosphorization converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131210 |