CN106931463A - A kind of continuous pallettype sintering machine SOS and method for high altitude localities - Google Patents
A kind of continuous pallettype sintering machine SOS and method for high altitude localities Download PDFInfo
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- CN106931463A CN106931463A CN201710142942.7A CN201710142942A CN106931463A CN 106931463 A CN106931463 A CN 106931463A CN 201710142942 A CN201710142942 A CN 201710142942A CN 106931463 A CN106931463 A CN 106931463A
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- oxygen
- sintering machine
- bellows
- air
- continuous pallettype
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/002—Gaseous fuel
- F23K5/005—Gaseous fuel from a central source to a plurality of burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of continuous pallettype sintering machine SOS and method for high altitude localities, belong to pyrometallurgy field, it is related to continuous pallettype sintering machine, wherein, each air inlet of continuous pallettype sintering machine has been connected respectively respective oxygen conveying pipe, all oxygen conveying pipes are connected to distributor, and distributor entrance is connected with vaporizer outlets by pipeline, and the entrance of vaporizer is communicated with liquid oxygen storage tank by pipeline.The method that oxygen content in air reaches 19.50% is set to improve oxygen content in air using toward blasting air in the corresponding bellows of blower fan and be passed through 99% pure oxygen again, the oxygen of abundance is set to be contacted with furnace charge, accelerate chemical reaction process, the purpose for improving vertical sintering speed is reached, it is final to improve sintering machine treating capacity and the agglomerate daily output.
Description
Technical field
The invention belongs to pyrometallurgy field, it is related to continuous pallettype sintering machine, and in particular to a kind of band for high altitude localities
Formula sintering machine SOS and method.
Background technology
Continuous pallettype sintering machine is the nucleus equipment of ISP technique lead-zinc smeltings, and its main effect is by lead zinc sulphur ore, returns
Sintering desulfuration, a kind of blocking smelting equipment are carried out after the mixing granulations such as powder, intermediate material.Since 2016, the factory pay attention to
Technological innovation improves enterprise operation profit, reduces unit processing cost, strengthens enterprise competitiveness.2016 to closed blast furnace wind
Nozzle has carried out increasing and the change of mounting means, and closed blast furnace production capacity is further released, and agglomerate treating capacity is by average
Daily 640 tons bring up to 730 tons, and 14.06% is improved than preceding, analyze and count the current condition of production, sintering machine air blast system
It is " 12345 "：I.e. No. 1 blower fan No. 1 bellows of band, No. 2 blower fans band No. 2, No. 3 bellows, No. 3 blower fan No. 4~No. 6 bellows of band, No. 4 wind
Machine No. 7~No. 10 bellows of band, No. 5 blower fan No. 11~No. 15 bellows of band, sintering machine speed average v=1.1m/min, thickness of feed layer h=
390mm, chassis width b=2.5m, furnace charge bulk density r=2.7t/m3, sintering machine bum-through-point temperature is in No. 13 bellows, mixture charge
Moisture w=7.0%, agglomerate M=640 tons, L is the effective length from igniting to bum-through-point, is calculated：
(1) sintering machine day output Q=60 × 24 × r × b × h × v × (1-w)=3877.99t/d；
(2) caking rate n=M/Q × 100%=16.50%；
(3) vertical sintering speed V=h × v/ (L × 1000)=11.14mm/min；
The principal element that the yield lifting of restriction agglomerate is calculated more than is relatively low vertical sintering speed（Vertical sintering speed one
As be 10~30mm/min）, cause sintering machine speed and thickness of feed layer to improve, the raising of sintering machine treating capacity is influenceed, from
And cause agglomerate yield relatively low.By analyze the physical property of vertical sintering speed and furnace charge, chemical composition, firing temperature,
The factor such as blast pipe and gas componant is relevant, is drawn after being contrasted with domestic pharmaceutical industry industry to these analysis of Influential Factors, at the factory site
1800 meters of plateau bands of height above sea level, gas componant is different compared with other producers of the same trade, and oxygen content is only in air
18.07%, influence vertical sintering speed.
The content of the invention
In order to solve the above-mentioned problems in the prior art, invention provides a kind of for high altitude localities belt sintering
The SOS of machine.
Invention is adopted the following technical scheme that：A kind of continuous pallettype sintering machine SOS for high altitude localities, belt sintering
Each air inlet of machine has been connected respectively respective oxygen conveying pipe, and all oxygen conveying pipes are connected to distribution
Device, distributor entrance is connected with vaporizer outlets by pipeline, and the entrance of vaporizer is communicated with liquid oxygen storage tank by pipeline.
Further, the outlet of vaporizer is two, and two outlets are connected by pipeline with the entrance of distributor respectively.
Preferably, continuous pallettype sintering machine includes No. 1, No. 2, No. 3, No. 4 four air inlets.
A kind of oxygen replenishing method of use said system, continuous pallettype sintering machine includes 15 bellows, wherein, No. 1 blower fan No. 1 wind of band
Case, No. 2 blower fans band No. 2 and No. 3 bellows, No. 3 blower fan No. 4 to No. 6 bellows of band, No. 4 blower fan No. 7 to No. 10 bellows of band；Using No. 1
Air is blasted in corresponding bellows with No. 4 blower fans with No. 3 blower fans or using No. 3 with No. 2 blower fans or using No. 2, then is passed through
99% pure oxygen, makes the oxygen content in bellows air reach 19.50%.
Wherein, No. 11 to No. 15 bellows blower fans are to return cigarette blower fan.
By using No. 1, total air is blasted in No. 1, No. 2 and No. 3 bellows is 26000 m to No. 2 blower fans3/ h, it is common
Enter 99% pure oxygen 362.42m3/ h, makes oxygen content in air reach 19.50% after oxygenating.
Or by using No. 2, to blast total air in No. 2, No. 3, No. 4, No. 5 and No. 6 bellows be 41000 to No. 3 blower fans
m3/ h, it is common enter 99% the m of pure oxygen 571.523/ h, makes oxygen content in air reach 19.50% after oxygenating.
Preferably, total air is blasted in No. 4, No. 5, No. 6, No. 7, No. 8, No. 9 and No. 10 bellows using No. 3, No. 4 blower fans
It is 54000 m to measure3/ h, it is common enter 99% the m of pure oxygen 752.733/ h, makes oxygen content in air reach 19.50% after oxygenating.
The beneficial effects of the invention are as follows：The present invention blasts air by blower fan in bellows corresponding with blower fan, by 99%
Pure oxygen is passed through bellows, the oxygen content in bellows air is reached 19.50%, the oxygen content in air is kept definite value, is passed through sintering
Machine 1#、2#、3#、4#Air inlet oxygenating, to improve the oxygen content blasted in bellows air, enters by sintering machine air blower
The mode of air port oxygenating improves the oxygen content in air, the oxygen of abundance is contacted with furnace charge, accelerates chemical reaction process, reaches
The purpose of vertical sintering speed is improved, sintering machine treating capacity and the agglomerate daily output is improved, makes all agglomerates that sintering goes out
Property retention is consistent.
The present invention using can be drawn after the contrast of oxygenating sintering method combination mill trial results, the agglomerate daily output by
640t/d brings up to 730t/d, and the daily output improves nearly 14.06%, and reason 3877.99t/d brings up to 4821.72t/ at sintering machine day
D, day output improves nearly 24.34%.Sintering flow reaches steady operating situation, and agglomerate insufficient supply problem is effectively delayed
Solution, productivity of sintering machine improves 1.2 t/m2.d, imperial smelting furnace can produce nearly 10,000 tons of lead bullion zinc more every year, significantly
Improve production efficiency.Sintering flow back powder lacks problem and is also resolved, and experiment proves oxygenating sintering technology in height above sea level
1800 meters of highlands are effective and feasible.
Brief description of the drawings
Fig. 1 SOS structural representations of the present invention.
Reference：1. liquid oxygen storage tank, 2. vaporizer, 3. distributor, 4. pipeline, 5. oxygen conveying pipe, 6.
No. 1 blower fan, 8. No. 7.2 blower fans, No. 3 blower fans, 9. No. 4 blower fans, 10. bellows.
Specific embodiment
A kind of continuous pallettype sintering machine SOS for high altitude localities, each air inlet difference of continuous pallettype sintering machine
Correspondence is connected with respective oxygen conveying pipe 5, and all oxygen conveying pipes 5 are connected to distributor 3, the entrance of distributor 3 and vaporization
The outlet of device 2 is connected by pipeline 4, and the entrance of vaporizer 2 is communicated with liquid oxygen storage tank 1 by pipeline.The outlet of vaporizer 2 is
Two, two outlets are connected by pipeline 4 with the entrance of distributor 3 respectively.Continuous pallettype sintering machine includes 6, No. 2 blower fans of No. 1 blower fan
7th, No. 3 blower fans 8, No. 4 blower fans, 9 four air inlets.Continuous pallettype sintering machine includes 10 bellows, wherein, No. 1 blower fan No. 1 wind of band
Case, No. 2 blower fans band No. 2 and No. 3 bellows, No. 3 blower fan No. 4 to No. 6 bellows of band, No. 4 blower fan No. 7 to No. 10 bellows of band.
Embodiment 1
Use No. 1, to blast total air altogether in No. 1, No. 2, No. 3 bellows 10 be 26000 m to No. 2 blower fans3/ h, it is common enter 99%
The m of pure oxygen 362.423/ h, makes oxygen content in air reach 19.50% after oxygenating.
After embodiment 1 produces oxygenating sintering test, actual sintered machine burning caking daily output average out to is about 680 tons,
Sintering machine speed is relatively not changed in substantially before, and vertical sintering speed averagely reaches 12.03mm/min, compared with raising before oxygenating sintering
0.89mm/min。
Embodiment 2
Use No. 2, to blast total air altogether in No. 2, No. 3, No. 4, No. 5 and No. 6 bellows be 41000 m to No. 3 blower fans3/ h, altogether
It is passed through 99% m of pure oxygen 571.523/ h, makes oxygen content in air reach 19.50% after oxygenating.
After embodiment 2 produces oxygenating sintering test, agglomerate yield averagely reaches 710.56 tons daily, compared with embodiment
1 improves nearly 30 tons, and the daily output improves nearly 4.41%；Sintering machine speed improves nearly 0.1m/min, vertical sintering speed compared with embodiment 1
13.10mm/min averagely is reached, 1.07mm/min is improved compared with the pilot production of embodiment 1.
Embodiment 3
Use No. 3, to blast total air altogether in No. 4, No. 5, No. 6, No. 7, No. 8, No. 9 and No. 10 bellows be 54000 to No. 4 blower fans
m3/ h, it is common enter 99% the m of pure oxygen 752.733/ h, makes oxygen content in air reach 19.50% after oxygenating.
After embodiment 3 produces oxygenating sintering test, the agglomerate daily output averagely reaches 730.37 tons, sintering machine speed
0.07m/min is improved compared with embodiment 2, vertical sintering speed averagely reaches 14.85mm/min, 1.75mm/ is improved compared with embodiment 2
Min, sintering machine day treatment reaches 4821.72t/d, and 591.19t/d is improved compared with embodiment 2, and treating capacity improves 13.97%, sintering stream
Substantially without back powder is covered outward, the agglomerate daily output meets smelting system blast furnace and normally produces journey back powder, and flow is entered without cold piece,
Sintering, smelting system production entirety reach balance.
Claims (8)
1. a kind of continuous pallettype sintering machine SOS for high altitude localities, it is characterised in that：Each blower fan of continuous pallettype sintering machine
Air inlet has been connected respectively respective oxygen conveying pipe, and all oxygen conveying pipes are connected to distributor, distributor entrance
It is connected by pipeline with vaporizer outlets, the entrance of vaporizer is communicated with liquid oxygen storage tank by pipeline.
2. a kind of continuous pallettype sintering machine SOS for high altitude localities as claimed in claim 1, it is characterised in that：Vaporization
The outlet of device is two, and two outlets are connected by pipeline with the entrance of distributor respectively.
3. a kind of continuous pallettype sintering machine SOS for high altitude localities as claimed in claim 1 or 2, it is characterised in that：
Continuous pallettype sintering machine includes No. 1, No. 2, No. 3, No. 4 four air inlets.
4. a kind of oxygen replenishing method using system as claimed in claim 1, it is characterised in that：Continuous pallettype sintering machine includes 15 wind
Case, wherein, No. 1 blower fan No. 1 bellows of band, No. 2 blower fans band No. 2 and No. 3 bellows, No. 3 blower fan No. 4 to No. 6 bellows of band, No. 4 blower fans
No. 7 to No. 10 bellows of band；No. 5 blower fan No. 11 to No. 15 bellows of band；Using No. 1 with No. 2 blower fans or using No. 2 with No. 3 blower fans,
Or the pure oxygen that air is passed through 99% again is blasted in corresponding bellows with No. 4 blower fans using No. 3, make the oxygen content in bellows air
Reach 19.50%.
5. as claimed in claim 4 a kind of continuous pallettype sintering machine oxygen replenishing method for high altitude localities, it is characterised in that：No. 11 extremely
No. 15 bellows blower fans are to return cigarette blower fan.
6. as claimed in claim 4 a kind of continuous pallettype sintering machine oxygen replenishing method for high altitude localities, it is characterised in that：Using 1
Number, No. 2 blower fans total air is blasted in No. 1, No. 2 and No. 3 bellows for 26000 m3/ h, it is common enter 99% pure oxygen
362.42m3/ h, makes oxygen content in air reach 19.50% after oxygenating.
7. as claimed in claim 4 a kind of continuous pallettype sintering machine oxygen replenishing method for high altitude localities, it is characterised in that：Using 2
Number, No. 3 blower fans total air is blasted in No. 2, No. 3, No. 4, No. 5 and No. 6 bellows for 41000 m3/ h, it is common enter 99% it is pure
The m of oxygen 571.523/ h, makes oxygen content in air reach 19.50% after oxygenating.
8. as claimed in claim 4 a kind of continuous pallettype sintering machine oxygen replenishing method for high altitude localities, it is characterised in that：Using 3
Number, No. 4 blower fans total air is blasted in No. 4, No. 5, No. 6, No. 7, No. 8, No. 9 and No. 10 bellows for 54000 m3/ h, it is common
Enter 99% m of pure oxygen 752.733/ h, makes oxygen content in air reach 19.50% after oxygenating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710142942.7A CN106931463A (en) | 2017-03-10 | 2017-03-10 | A kind of continuous pallettype sintering machine SOS and method for high altitude localities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710142942.7A CN106931463A (en) | 2017-03-10 | 2017-03-10 | A kind of continuous pallettype sintering machine SOS and method for high altitude localities |
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| CN201710142942.7A Pending CN106931463A (en) | 2017-03-10 | 2017-03-10 | A kind of continuous pallettype sintering machine SOS and method for high altitude localities |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125839A (en) * | 1994-12-26 | 1996-07-03 | 徐爱民 | Technological method of iron ore sintering for agglumeration |
| CN101608255A (en) * | 2008-06-20 | 2009-12-23 | 普莱克斯技术有限公司 | The periodic oxygen-enriched sintering of iron ore |
| CN101960025A (en) * | 2008-02-27 | 2011-01-26 | 新日本制铁株式会社 | Process for producing sintered ore and sintering machine |
| CN103542724A (en) * | 2013-09-30 | 2014-01-29 | 林州市马氏炼铁技术研究开发有限公司 | Blasting belt-type sintering machine and method, for producing sinter, of blasting belt-type sintering machine |
| CN203615328U (en) * | 2013-12-05 | 2014-05-28 | 刘国忠 | Multichannel oxygen-enriched combustor for rotary kiln |
| TW201420768A (en) * | 2012-11-28 | 2014-06-01 | Jfe Steel Corp | Oxygen gas and gas fuel supply device for sintering machine |
-
2017
- 2017-03-10 CN CN201710142942.7A patent/CN106931463A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125839A (en) * | 1994-12-26 | 1996-07-03 | 徐爱民 | Technological method of iron ore sintering for agglumeration |
| CN101960025A (en) * | 2008-02-27 | 2011-01-26 | 新日本制铁株式会社 | Process for producing sintered ore and sintering machine |
| CN101608255A (en) * | 2008-06-20 | 2009-12-23 | 普莱克斯技术有限公司 | The periodic oxygen-enriched sintering of iron ore |
| TW201420768A (en) * | 2012-11-28 | 2014-06-01 | Jfe Steel Corp | Oxygen gas and gas fuel supply device for sintering machine |
| CN103542724A (en) * | 2013-09-30 | 2014-01-29 | 林州市马氏炼铁技术研究开发有限公司 | Blasting belt-type sintering machine and method, for producing sinter, of blasting belt-type sintering machine |
| CN203615328U (en) * | 2013-12-05 | 2014-05-28 | 刘国忠 | Multichannel oxygen-enriched combustor for rotary kiln |
Non-Patent Citations (1)
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| 张君评: "音箱烧结结块率因素的分析探讨", 《甘肃冶金》 * |
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Application publication date: 20170707 |
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