PL423762A1 - Method for producing low-reactive lime - Google Patents
Method for producing low-reactive limeInfo
- Publication number
- PL423762A1 PL423762A1 PL423762A PL42376217A PL423762A1 PL 423762 A1 PL423762 A1 PL 423762A1 PL 423762 A PL423762 A PL 423762A PL 42376217 A PL42376217 A PL 42376217A PL 423762 A1 PL423762 A1 PL 423762A1
- Authority
- PL
- Poland
- Prior art keywords
- lime
- subjected
- furnace
- shaft
- firing
- Prior art date
Links
- 235000008733 Citrus aurantifolia Nutrition 0.000 title abstract 6
- 235000011941 Tilia x europaea Nutrition 0.000 title abstract 6
- 239000004571 lime Substances 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 4
- 238000010304 firing Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 235000019738 Limestone Nutrition 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 239000006028 limestone Substances 0.000 abstract 2
- 239000003345 natural gas Substances 0.000 abstract 2
- 230000009257 reactivity Effects 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
Classifications
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Sposób wytwarzania nisko reaktywnego wapna, charakteryzuje się tym, że kamień wapienny poddaje procesowi wypalania w hybrydowym piecu dwuszybowym do wypalania wapna w cyklach w jednym szybie, podczas którego gorące powietrze powstałe przy grzaniu przekazywane jest do drugiego szybu w celu wstępnego podgrzania kamienia wapiennego, po czym otrzymane w ten sposób wapno o wysokiej reaktywności, w dolnej części pieca poddaje się grzaniu palnikami gazowymi skierowanymi poziomo do szybu pieca, po czym otrzymane w ten sposób wapno o niskiej reaktywności poddaje procesowi studzenia za pomocą powietrza wtłaczanego od dołu pieca, które zarazem wykorzystywane jest do spalania gazu, przy czym spaliny wytwarzane przy wypalaniu gazem ziemnym, zawierające głównie dwutlenek węgla jako produkt kalcynacji i spalania gazu ziemnego, oczyszcza w filtrze workowym i odprowadza do atmosfery, następnie wapno nisko reaktywne podaje się procesowi przesiewania wibracyjnego na przesiewaczu jednopokładowym, separuje na frakcję i poddaje konfekcjonowaniu.The method of producing low-reactive lime is characterized by the fact that limestone is subjected to the firing process in a hybrid double-glass kiln for firing lime in cycles in one shaft, during which hot air generated during heating is transferred to the second shaft in order to preheat the limestone, after which the lime with high reactivity obtained in this way is heated in the lower part of the furnace with gas burners directed horizontally to the furnace shaft, after which the lime with low reactivity obtained in this way is subjected to the cooling process by means of air injected from the bottom of the furnace, which is also used for gas combustion, the flue gas produced during firing with natural gas, containing mainly carbon dioxide as a product of calcination and combustion of natural gas, is purified in a bag filter and discharged into the atmosphere, then low-reactive lime is fed to the screen by vibrating screening single-deck, separates into fraction and subjected to confectioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL423762A PL423762A1 (en) | 2017-12-06 | 2017-12-06 | Method for producing low-reactive lime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL423762A PL423762A1 (en) | 2017-12-06 | 2017-12-06 | Method for producing low-reactive lime |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL423762A1 true PL423762A1 (en) | 2019-06-17 |
Family
ID=66809721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL423762A PL423762A1 (en) | 2017-12-06 | 2017-12-06 | Method for producing low-reactive lime |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL423762A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113387A (en) * | 1997-08-14 | 2000-09-05 | Global Stone Corporation | Method and apparatus for controlling kiln |
| US9011143B2 (en) * | 2009-12-15 | 2015-04-21 | Maerz Ofenbau Ag | Parallel flow regenerative lime kiln and method for the operation thereof |
-
2017
- 2017-12-06 PL PL423762A patent/PL423762A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113387A (en) * | 1997-08-14 | 2000-09-05 | Global Stone Corporation | Method and apparatus for controlling kiln |
| US9011143B2 (en) * | 2009-12-15 | 2015-04-21 | Maerz Ofenbau Ag | Parallel flow regenerative lime kiln and method for the operation thereof |
Non-Patent Citations (2)
| Title |
|---|
| HANNES PIRINGER: "20170918", LIME SHAFT KILNS * |
| T. BLUHM-DRENHAUS: "2010", A COUPLED FLUID DYNAMIC-DISCRETE ELEMENT SIMULATION OF HEAT AND MASS TRANSFER IN A LIME SHAFT KILN * |
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