CN100560527C - The technology and the system of comprehensive utilization soft-burned dolomite fines - Google Patents
The technology and the system of comprehensive utilization soft-burned dolomite fines Download PDFInfo
- Publication number
- CN100560527C CN100560527C CNB2006100487446A CN200610048744A CN100560527C CN 100560527 C CN100560527 C CN 100560527C CN B2006100487446 A CNB2006100487446 A CN B2006100487446A CN 200610048744 A CN200610048744 A CN 200610048744A CN 100560527 C CN100560527 C CN 100560527C
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- powder
- transfer roller
- trident
- dolomite
- tremie pipe
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Abstract
The invention provides a kind of technology and system that fully utilizes soft-burned dolomite fines.In the ground dolomite that shaft furnace can be calcined out and the calcination process flue gas is carried out flue dust after the dedusting and the minus sieve material behind the screening rhombspar, directly send steel-making to use after the compression moulding, make it to be fully utilized, both saved valuable resource, effectively avoid its pollution on the environment again.In addition, utilize light dolomite ball and the segregative characteristics of its fine powder, the pipe sieve is set on the trident tremie pipe, make and carry the fine powder that produces in the balling-up process to obtain the secondary recovery utilization, also reduce the investment and the energy consumption of screening plant simultaneously.At the filler bin discharge port one miniature form vibrator is installed in addition, is guaranteed the homogeneity and the fluency of blanking, make the powder of follow-up worm conveyer evenly enter nodulizer, guarantee the Forming Quality of powder.
Description
Technical field
The present invention relates to a kind of processing method and system, especially a kind of processing method and system that fully utilizes soft-burned dolomite fines.
Background technology
Light dolomite is a requisite auxiliary material in the STEELMAKING PRODUCTION, uses it can further remove impurity in the molten steel, finally improves steel product quality, helps spattering slag, furnace retaining and furnace life to improve.Existing light dolomite technology is with after coke cooperates with unprocessed dolomite, send into the shaft furnace calcining, the rhombspar that calcining is come out is after screening, dolomite clinker on the sieve send steel-making to use, and under the sieve＜ground dolomite of 10mm and the flue gas ash removal powder behind the calcined dolomite, except that sporadicly being utilized, all the other are made deslagging substantially and handle.Not only waste limited resources, but also cause pollution environment.Therefore, be necessary prior art is improved.
Summary of the invention
For the comprehensive utilization limited resources, reduce the soft-burned dolomite fines pollution on the environment, the invention provides a kind of processing method that fully utilizes soft-burned dolomite fines.
Another object of the present invention is to provide a kind of supporting treatment system into the comprehensive utilization soft-burned dolomite fines.
The present invention realizes by following technical proposal: a kind of technology that fully utilizes soft-burned dolomite fines is characterized in that through following process steps:
A, rhombspar that shaft furnace is calcined out are after the sieve apparatus screening, and dolomite clinker directly send steelworks to use sieve on, sieves ground dolomite powder feeding material mixing bunker;
The flue gas that B, shaft furnace calcined dolomite produce is after the fly-ash separator dedusting, and clean flue gas effluxes, and the flue dust after the dedusting is through collecting powder feeding material mixing bunker;
C, the powder of powder mixing bunker is delivered to shaper through transfer roller, after the compression moulding lumpy material, can send steelworks to use.
Second purpose of the present invention realizes by following technical proposal: a kind of system that fully utilizes soft-burned dolomite fines, it comprises the transfer roller of being located at shaft furnace discharge port below, the lift that joins with transfer roller, trident tremie pipe with tipping platform and individual layer vibration net on its that joins with lift, transfer roller and piece feed bin and the filler bin that joins with the trident tremie pipe respectively, it is characterized in that powder mixing bunker discharge port below is provided with transfer roller, the transfer roller discharge end connects ball press, ball press links to each other with another lift by transfer roller, this lift discharge port is connected with the trident tremie pipe of band screen cloth on it, the trident tremie pipe links to each other with the transfer roller of piece feed bin with powder mixing bunker discharge port below respectively, so that with the powder behind the light dolomite through transfer roller, after the ball press compression moulding, after sending into the piece feed bin, lift and trident tremie pipe participate in STEELMAKING PRODUCTION, and the undersized powder of Y-pipe enters the moulding once more of high pressure ball press through transfer roller, thereby makes the light dolomite powder obtain recycling.
The transfer roller of described filler bin discharge port below is a worm conveyor, and this helical feed machine tail end is provided with discharge port that links to each other with ball press and the opening for feed that links to each other with the trident tremie pipe, so that filler bin and Y-pipe minus sieve material are sent into the ball press moulding.
Screen cloth on the described trident tremie pipe is a tube screen, so that after sieving the fine powder in the material down, send into the pressure ball moulding.
Turnover panel lower end on the described trident tremie pipe is hinged on the crunode tube wall, and hinge extends to outside the pipe, and links to each other with handle, and the upper end of turnover panel is unsettled, so that adjust the turnover panel position as required, realizes the conveying of piece material and powder.
The present invention compared with prior art has following advantage and effect: adopt such scheme, in the ground dolomite that shaft furnace can be calcined out and the calcination process flue gas is carried out flue dust after the dedusting and the minus sieve material behind the screening rhombspar, directly send steel-making to use after the compression moulding, make it to be fully utilized, both save valuable resource, effectively avoided its pollution on the environment again.In addition, utilize light dolomite ball and the segregative characteristics of its fine powder, the pipe sieve is set on the trident tremie pipe, make and carry the fine powder that produces in the balling-up process to obtain the secondary recovery utilization, also reduce the investment and the energy consumption of screening plant simultaneously.At the filler bin discharge port one miniature form vibrator is installed in addition, is guaranteed the homogeneity and the fluency of blanking, make the powder of follow-up worm conveyer evenly enter nodulizer, guarantee the Forming Quality of powder.
Description of drawings
Fig. 1 fully utilizes the system architecture synoptic diagram of soft-burned dolomite fines for the present invention;
Fig. 2 is the plan structure synoptic diagram of Fig. 1;
Fig. 3, Fig. 4 are A portion cross-sectional view among Fig. 1;
Fig. 5, Fig. 6 are B portion cross-sectional view among Fig. 1;
Fig. 7, Fig. 8 are C portion cross-sectional view among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The transfer roller 1 of shaft furnace discharge port below links to each other with lift 2 by elephant trunk, lift 2 is the chain lift, be interval with hopper 22 on the chain 21 in it, as Fig. 3, Fig. 4, lift 2 discharge ports and the trident tremie pipe 31 and the pipe sieve 4 of band turnover panel 3 on it, the upper end of turnover panel 3 is unsettled, the lower end links to each other with tube wall by hinge 32, hinge 32 the other ends extend to the outer back of pipe and link to each other with handle 33, operation handle arm 33 can make turnover panel 3 rotate around hinge 32, as Fig. 5, Fig. 6, trident tremie pipe 31 respectively with transfer roller 5,6 link to each other, transfer roller 5 links to each other with piece feed bin 14, transfer roller 6 links to each other with powder mixing bunker 7 by elephant trunk, the bulkhead of the discharge port top of powder mixing bunker 7 is provided with mini vibrator 8, the discharge port below is provided with worm conveyor 9, the discharge end of worm conveyor connects ball press 10, ball press 10 links to each other with another lift 11 by transfer roller 15 elephant trunks 16 (as Fig. 1), lift 11 discharge ports are connected with is with pipe sieve 12 (as Fig. 7 on it, trident tremie pipe 17 Fig. 8), trident tremie pipe 17 1 discharge ports link to each other with piece feed bin 14, another discharge port links to each other with worm conveyor 9 by revert pipe 13, as Fig. 1, Fig. 2.
Technological process of the present invention is:
A, the rhombspar that shaft furnace is calcined out enter trident tremie pipe 31 through transfer roller 1, elephant trunk 16, lift 2, after 4 screenings of the sieve of the pipe on it, dolomite clinker can directly send steelworks to smelt after transfer roller 5 enters in the piece feed bin 14 on the sieve, and ground dolomite is through elephant trunk 16, transfer roller 6 powder feeding material mixing bunkers 7 under the sieve;
The flue gas that B, shaft furnace calcined dolomite produce is after the fly-ash separator dedusting, and clean flue gas effluxes, and the flue dust after the dedusting is through collecting powder feeding material mixing bunker 7;
C, with the powder of powder mixing bunker 7 under the effect of vibrator 8, evenly behind worm conveyor 9, deliver to shaper 10, lumpy material after the compression moulding send lift 11 through transfer roller 15, elephant trunk 16, after pipe sieve 12 screenings of trident tremie pipe 17, the piece material is sent into piece feed bin 14, the minus sieve material send ball press 10 moulding after Y-pipe 17, revert pipe 13 enter worm conveyor 9 once more, can send steelworks to smelt.
Claims (5)
1, a kind of technology that fully utilizes soft-burned dolomite fines is characterized in that through following process steps:
A, rhombspar that shaft furnace is calcined out are after the sieve apparatus screening, and dolomite clinker directly send steelworks to use sieve on, sieves ground dolomite powder feeding material mixing bunker;
The flue gas that B, shaft furnace calcined dolomite produce is after the fly-ash separator dedusting, and clean flue gas effluxes, and the flue dust after the dedusting is through collecting powder feeding material mixing bunker;
C, the powder of powder mixing bunker is delivered to shaper through transfer roller, after the compression moulding lumpy material, can send steelworks to use.
2, a kind of system that fully utilizes soft-burned dolomite fines, it comprises the transfer roller of being located at shaft furnace discharge port below, the lift that joins with transfer roller, trident tremie pipe with tipping platform and individual layer vibration net on its that joins with lift, transfer roller and piece feed bin and the filler bin that joins with the trident tremie pipe respectively, it is characterized in that powder mixing bunker discharge port below is provided with transfer roller, the transfer roller discharge end connects ball press, ball press links to each other with another lift by transfer roller, this lift discharge port is connected with the trident tremie pipe of band screen cloth on it, the trident tremie pipe links to each other with the transfer roller of piece feed bin with powder mixing bunker discharge port below respectively, so that with the powder behind the light dolomite through transfer roller, after the ball press compression moulding, after sending into the piece feed bin, lift and trident tremie pipe mix and STEELMAKING PRODUCTION, and the undersized powder of Y-pipe enters the moulding once more of high pressure ball press through transfer roller, thereby makes the light dolomite powder obtain recycling.
3, system according to claim 2, the transfer roller that it is characterized in that described filler bin discharge port below is a worm conveyor, this helical feed machine tail end is provided with discharge port that links to each other with ball press and the opening for feed that links to each other with the trident tremie pipe, so that filler bin and Y-pipe minus sieve material are sent into the ball press moulding.
4, system according to claim 2 is characterized in that the screen cloth on the described trident tremie pipe is a tube screen, so that after sieving the fine powder in the material down, send into the pressure ball moulding.
5, system according to claim 2 is characterized in that the turnover panel lower end on the described trident tremie pipe is hinged on the crunode tube wall, and hinge extends to outside the pipe, and link to each other with handle, the upper end of turnover panel is unsettled, so that adjust the turnover panel position as required, realizes the conveying of piece material and powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100487446A CN100560527C (en) | 2006-10-24 | 2006-10-24 | The technology and the system of comprehensive utilization soft-burned dolomite fines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100487446A CN100560527C (en) | 2006-10-24 | 2006-10-24 | The technology and the system of comprehensive utilization soft-burned dolomite fines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101168477A CN101168477A (en) | 2008-04-30 |
| CN100560527C true CN100560527C (en) | 2009-11-18 |
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| CNB2006100487446A Expired - Fee Related CN100560527C (en) | 2006-10-24 | 2006-10-24 | The technology and the system of comprehensive utilization soft-burned dolomite fines |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876835B (en) * | 2012-10-26 | 2014-05-14 | 重庆大学 | New technology for preparing converter slag-regulating reagent by light-burning dolomite powder ash |
| CN106186737B (en) * | 2016-07-12 | 2018-11-06 | 海城市恒镁科技有限公司 | A kind of method of the environmental-friendly light-burned good quality magnesium oxide of magnesite concentrate |
| CN111085327A (en) * | 2019-06-13 | 2020-05-01 | 山东马王芳凤新能源科技有限公司 | Biomass pellet fuel production line |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837118A (en) * | 2006-04-14 | 2006-09-27 | 广东韶钢松山股份有限公司 | Method for producing lightly fired dolomite by shaft kiln |
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- 2006-10-24 CN CNB2006100487446A patent/CN100560527C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837118A (en) * | 2006-04-14 | 2006-09-27 | 广东韶钢松山股份有限公司 | Method for producing lightly fired dolomite by shaft kiln |
Non-Patent Citations (4)
| Title |
|---|
| 250m3竖窑轻烧白云石的生产和其应用. 唐亚新等.江苏冶金，第1期. 2001 |
| 250m3竖窑轻烧白云石的生产和其应用. 唐亚新等.江苏冶金，第1期. 2001 * |
| 韶钢气烧竖窑生产轻烧白云石的工艺技术. 张银斌等.南方金属，第总第152期. 2006 |
| 韶钢气烧竖窑生产轻烧白云石的工艺技术. 张银斌等.南方金属，第总第152期. 2006 * |
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| CN101168477A (en) | 2008-04-30 |
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Granted publication date: 20091118 Termination date: 20131024 |