CN103058245A - Equipment and technology of calcium oxide producing with calcium sulfate - Google Patents
Equipment and technology of calcium oxide producing with calcium sulfate Download PDFInfo
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- CN103058245A CN103058245A CN2012105648488A CN201210564848A CN103058245A CN 103058245 A CN103058245 A CN 103058245A CN 2012105648488 A CN2012105648488 A CN 2012105648488A CN 201210564848 A CN201210564848 A CN 201210564848A CN 103058245 A CN103058245 A CN 103058245A
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- Prior art keywords
- digestion chamber
- kiln
- calcium
- filter screen
- digestion
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- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 50
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 46
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000005516 engineering process Methods 0.000 title abstract description 8
- 230000029087 digestion Effects 0.000 claims abstract description 64
- 238000001354 calcination Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 4
- 239000002918 waste heat Substances 0.000 claims abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 24
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 18
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 17
- 239000000920 calcium hydroxide Substances 0.000 claims description 17
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 15
- 235000011089 carbon dioxide Nutrition 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000003837 high-temperature calcination Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005997 Calcium carbide Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention provides equipment and technology of calcium oxide producing with calcium sulfate. The equipment comprises a calcining kiln, a digestion chamber and a secondary calcining kiln, wherein the calcining kiln is communicated with a feed port at the top of the digestion chamber through a discharge port I at the bottom of the calcining kiln, the digestion chamber is divided into two layers which are separated through a filter screen I in the middle. A carbon dioxide inlet pipeline is arranged on the side wall of the digestion chamber and leads to the bottom of the digestion chamber, a discharge port II is arranged at the bottom of the digestion chamber and is provided with a filter screen II and a separating hopper, the filter screen II is in an inclined structure, a heat exchanger is arranged outside the wall of the digestion chamber, the separating hopper directly leads into a drying chamber with an open structure, the drying chamber is communicated with the secondary calcining kiln, the heat exchanger is connected with a heater, a condenser and a circulating pump in a closed mode in sequence through pipelines, and the heater is positioned at the bottom of the drying chamber. The invention further includes the technology of waste heat recovering with the equipment. Energy consumption is reduced by 10% or more, meanwhile purity and production efficiency of the calcium oxide product can be improved.
Description
Technical field
The present invention relates to a kind of equipment and technology of producing calcium oxide, especially relate to a kind of equipment and technology of producing calcium oxide with calcium sulfate.
Background technology
Calcium oxide is widely used in makes calcium carbide, soda ash, chlorinated lime, refractory materials, as siccative and soil improvement agent; Fusing assistant as analytical reagent, manufacturing fluorescent material; Be used for process hides, purification of waste water; As material of construction, metallurgical fusing assistant; It is the main raw material of hydrogen manufacturing calcium oxide and various calcium cpds.
Traditional calcium oxide production method is mainly take Wingdale as raw material, and calcining process adopts shaft furnace, will burn in Wingdale and solid fuel mixes or layering is packed into the kiln.Also utilize more and more in recent years calcium sulfate to calcine the preparation calcium oxide as raw material, in order to prepare the high calcium oxide of purity, often need product is purified.Its main technique is mixture to be dropped into make calcium oxide digestion in the water, generation calcium hydroxide, calcium hydroxide is water-soluble, and elimination impurity gets aqua calcis, then in aqua calcis, pass into carbonic acid gas, reaction generates calcium carbonate, with calcination of calcium carbonate, namely obtains the higher calcium oxide of purity, in this process, the digestion of calcium oxide is a heat-producing chemical reaction process, and the heat that wherein produces is appreciable, fully recycles these heats and be a vital task in this technique.But the heat that this process produces is not again high especially, recovery difficult is large, therefore most of manufacturers do not reclaim the low temperature exhaust heat in this process, simultaneously in order to guarantee that certain temperature of reaction needs again to pass into circulating water reactor is carried out the heat exchange cooling, do like this, not only low temperature exhaust heat is not used, and also needs to use a large amount of cold water, has not only wasted energy but also waste water resource.
Chinese invention patent application 200510022528.X discloses the novel method that used heat utilizes in the fluidizing furnace in a kind of sulphuric acid process, will be in the fluidizing furnace out flue gas be used for heating water or air is realized respectively providing hot water and heating installation to the user, but this application is subject to region and environmental limit, and the feasibility of application is also little.
Chinese utility model patent 200820019657.2 discloses a kind of closed device that utilizes residual heat of sulfuric acid production to heat, it comes water in the heating pipe to user's heat supply with acid cooler as medium, but the user must be separated by closelyer with equipment, otherwise application performance is bad.
Summary of the invention
The technical problem to be solved in the present invention is, it is serious to overcome in the existing calcium oxide production process waste of equipment low temperature exhaust heat, and affects the difficult problem of speed of reaction, provides a kind of and can utilize low temperature exhaust heat, energy saving, the equipment and technology with calcium sulfate production calcium oxide of enhancing productivity.
The technical scheme that the present invention solves its technical problem employing is:
The present invention's the equipment with calcium sulfate production calcium oxide comprises calcining kiln, digestion chamber, secondary clacining kiln, and described calcining kiln communicates with digestion chamber's top fed mouth by bottom discharge mouth I, and described digestion chamber is divided into two-layer, and the centre is separated by the filter screen I; Digestion chamber's sidewall also is provided with towards the carbonic acid gas of bottom, digestion chamber and passes into pipeline, the bottom, digestion chamber is provided with the discharge port II with filter screen II and separating bucket, described filter screen II is incline structure, with horizontal angle be the 10-60 degree, the end that the filter screen II is lower maintains an equal level with the lower end of separating quarrel, digestion locular wall peripheral hardware has interchanger, separating bucket directly passes in the kiln of open design, described kiln communicates with the secondary clacining kiln, and described interchanger forms sealing with well heater, condenser, recycle pump successively by pipeline and is connected; Described well heater is positioned at the bottom of kiln.
Further, described filter screen II and horizontal angle are 45 degree.
Further, the order number average of described filter screen I and filter screen II is 1500-4000 order (preferred 3000 orders).
The present invention's the equipment work process with calcium sulfate production calcium oxide, i.e. the present invention the technique with calcium sulfate production calcium oxide comprises following two-part step:
The material production process: the generation calcium oxide is decomposed in calcium sulfate high-temperature calcination in calcining kiln, blended solid powder in the calcining kiln is the discharge port I bottom calcining kiln successively, digestion chamber's top fed mouth enters the digestion chamber, calcium oxide digestion reaction in the digestion chamber generates calcium hydroxide, and generation amount of heat, calcium hydroxide is water-soluble and other impurity is water insoluble, filter by the filter screen I that is positioned at the middle 1500-4000 order (preferred 3000 orders) in digestion chamber, the upper strata, digestion chamber is the mixture of calcium hydroxide and impurity, lower floor is aqua calcis, carbonic acid gas by digestion chamber's sidewall passes into pipeline and pass into carbon dioxide in calcium hydroxide aqueous solution simultaneously, generate precipitation of calcium carbonate, after the filtration through digestion chamber's bottom screen II, filter screen II top is the calcium carbonate powders that contains moisture, the calcium carbonate powders that contains moisture is transported to kiln through separating bucket, and (the filter screen II is incline structure on the one hand, can promote the operation of particle, on the other hand, the carbonic acid gas that leads to can make the liquid turbulization, the filter screen II is produced oscillation action, promote the descending of material), filtrate is discharged through discharge port II lower end, after the calcium carbonate powders process kiln drying, send into the calcining of secondary clacining kiln, can obtain the higher calcium oxide of purity.
The filter screen I is to filter not have dissolved impurity in the dissolution process, and through the filtration of filter screen I is aqua calcis; Pass into after the carbonic acid gas in the calcium hydroxide aqueous solution, might not react completely and generate precipitation of calcium carbonate, and the effect of filter screen II is the precipitation of isolating generation, prevent that the calcium hydroxide aqueous solution of too much not complete reaction is along with precipitation enters kiln and secondary clacining kiln, be converted into the calcium hydroxide solid impurity, affect purity, thereby reduce the foreign matter content of the finished product.
The heat working cycle: the digestion of digestion chamber's calcium oxide can discharge a large amount of heat, be fixed in logical high temperature heat conductive oil in the interchanger of digestion chamber's outer wall (high temperature heat conductive oil flash-point 〉=320 ℃), the high temperature heat conductive oil absorbing heat, and the mobile well heater that is positioned at the kiln bottom that is passed to, and provide heat with the drying calcium carbonate powder for moisture eliminator, high temperature heat conductive oil temperature through well heater reduces, (purpose of cooling is that the temperature of digestion chamber is reduced through the condenser cooling again, increase solubleness, improve speed and efficient that reaction is carried out), the high temperature heat conductive oil temperature reduces, and sends into interchanger by recycle pump and recycle.
The present invention produces low temperature exhaust heat in the calcium oxide process with calcium sulfate, drying for the production of follow-up material in the process, the final Efficient Cycle utilization that realizes heat, can avoid calcium sulfate to produce the waste of calcium oxide process middle-low temperature heat, energy saving increases purity and the production efficiency of product calcium oxide more than 10% simultaneously.
Description of drawings
Fig. 1 is the present invention's the apparatus embodiments structural representation with calcium sulfate production calcium oxide.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
The equipment with calcium sulfate production calcium oxide of present embodiment, comprise calcining kiln 1, digestion chamber 2, secondary clacining kiln 10, described calcining kiln 1 communicates with digestion chamber's 2 top fed mouths 12 by bottom discharge mouth I 11, and described digestion chamber 2 is divided into two-layer, and the centre is separated by 3000 purpose filter screen I 13; The carbonic acid gas that digestion chamber's 2 sidewalls also are provided with 2 bottoms towards the digestion chamber passes into pipeline 15,2 bottoms, digestion chamber are provided with the discharge port II 14 with filter screen II 6 and separating bucket 7, described filter screen II 6 is incline structure, with horizontal angle be 45 the degree, the lower end that the end that filter screen II 6 is lower and separating bucket are 7 mouthfuls maintains an equal level, digestion chamber's 2 walls are provided with interchanger 3 outward, separating bucket 7 directly passes in the kiln 8 of open design, described kiln 8 communicates with secondary clacining kiln 10, and described interchanger 3 forms sealing with well heater 9, condenser 5, recycle pump 4 successively by pipeline and is connected; Described well heater 9 is positioned at the bottom of kiln 8; Described filter screen II 6 is 3000 orders.
The equipment work process of producing calcium oxide with calcium sulfate of present embodiment, i.e. the technique of producing calcium oxide with calcium sulfate of present embodiment comprises following two-part step:
The material production process: calcium sulfate decomposes the generation calcium oxide in calcining kiln 1 interior high-temperature calcination, blended solid powder in the calcining kiln 1 is the discharge port I 11 bottom calcining kiln successively, digestion chamber's 2 top fed mouths 12 enter digestion chamber 2,2 interior digestion reactions generate calcium hydroxide to calcium oxide in the digestion chamber, and generation amount of heat, calcium hydroxide is water-soluble and other impurity is water insoluble, by being positioned at the filtration of 3000 middle purpose filter screen I 13 of digestion chamber, 2 upper stratas, digestion chamber are the mixture of calcium hydroxide and impurity, lower floor is aqua calcis, carbonic acid gas by digestion chamber's 2 sidewalls passes into pipeline 15 and pass into carbon dioxide in calcium hydroxide aqueous solution simultaneously, generate precipitation of calcium carbonate, after the filtration through digestion chamber's 2 bottom screen II 6, filter screen II 6 tops are the calcium carbonate powders that contains moisture, the calcium carbonate powders that contains moisture is transported to kiln 8 through separating bucket 7, filtrate is discharged through discharge port II 14 lower ends, after calcium carbonate powders process kiln 8 dryings, send into 10 calcinings of secondary clacining kiln, can obtain the calcium oxide that purity is 99wt%.
The heat working cycle: the digestion of digestion chamber's 2 calcium oxide can discharge a large amount of heat, be fixed in the interchanger 3 interior logical high temperature heat conductive oils of digestion chamber's 2 outer walls, the high temperature heat conductive oil absorbing heat, and the mobile well heater 9 that is positioned at kiln 8 bottoms that is passed to, and for kiln 8 provides heat with the drying calcium carbonate powder, through the high temperature heat conductive oil temperature reduction of well heater 9, again through condenser 5 coolings, the high temperature heat conductive oil temperature reduces, and sends into interchanger 3 by recycle pump 4 and recycle.
The present invention produces low temperature exhaust heat in the calcium oxide process with calcium sulfate, drying for the production of follow-up material in the process, the final Efficient Cycle utilization that realizes heat, can avoid calcium sulfate to produce the waste of calcium oxide process middle-low temperature heat, energy saving 12% increases purity and the production efficiency of product calcium oxide simultaneously.
Claims (5)
1. the equipment with calcium sulfate production calcium oxide comprises calcining kiln, digestion chamber, secondary clacining kiln, and described calcining kiln communicates with digestion chamber's top fed mouth by bottom discharge mouth I, and described digestion chamber is divided into two-layer, and the centre is separated by the filter screen I; Digestion chamber's sidewall also is provided with towards the carbonic acid gas of bottom, digestion chamber and passes into pipeline, the bottom, digestion chamber is provided with the discharge port II with filter screen II and separating bucket, described filter screen II is incline structure, with horizontal angle be the 10-60 degree, the end that the filter screen II is lower maintains an equal level with the lower end of separating quarrel, it is characterized in that, digestion locular wall peripheral hardware has interchanger, separating bucket directly passes in the kiln of open design, described kiln communicates with the secondary clacining kiln, and described interchanger forms sealing with well heater, condenser, recycle pump successively by pipeline and is connected; Described well heater is positioned at the bottom of kiln.
2. the equipment with calcium sulfate production calcium oxide according to claim 1 is characterized in that, filter screen II and horizontal angle are 45 degree.
3. the equipment with calcium sulfate production calcium oxide according to claim 1 and 2 is characterized in that the order number of described filter screen I and filter screen II is the 1500-4000 order.
4. the equipment with calcium sulfate production calcium oxide according to claim 3 is characterized in that the order number of described filter screen I and filter screen II is 3000 orders.
5. the use technique as producing the equipment recovery waste heat of calcium oxide with calcium sulfate as described in one of claim 1-4 is characterized in that, may further comprise the steps:
The material production process: the generation calcium oxide is decomposed in calcium sulfate high-temperature calcination in calcining kiln, blended solid powder in the calcining kiln is the discharge port I bottom calcining kiln successively, digestion chamber's top fed mouth enters the digestion chamber, calcium oxide digestion reaction in the digestion chamber generates calcium hydroxide, and generation amount of heat, calcium hydroxide is water-soluble and other impurity is water insoluble, filter by being positioned at the middle 1500-4000 purpose filter screen I in digestion chamber, the upper strata, digestion chamber is the mixture of calcium hydroxide and impurity, lower floor is aqua calcis, carbonic acid gas by digestion chamber's sidewall passes into pipeline and pass into carbon dioxide in calcium hydroxide aqueous solution simultaneously, generate precipitation of calcium carbonate, after the filtration through digestion chamber's bottom screen II, filter screen II top is the calcium carbonate powders that contains moisture, the calcium carbonate powders that contains moisture is transported to kiln through separating bucket, and filtrate is discharged through discharge port II lower end, after the calcium carbonate powders process kiln drying, send into the calcining of secondary clacining kiln, can obtain the higher calcium oxide of purity;
The heat working cycle: the digestion of digestion chamber's calcium oxide can discharge a large amount of heat, be fixed in the high temperature heat conductive oil of logical flash-point in the interchanger of digestion chamber's outer wall 〉=320 ℃, the high temperature heat conductive oil absorbing heat, and the mobile well heater that is positioned at the kiln bottom that is passed to, and for moisture eliminator provides heat with the drying calcium carbonate powder, through the high temperature heat conductive oil temperature reduction of well heater, again through the condenser cooling, the high temperature heat conductive oil temperature reduces, and sends into interchanger by recycle pump and recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564848.8A CN103058245B (en) | 2012-12-24 | 2012-12-24 | Equipment and technology of calcium oxide producing with calcium sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564848.8A CN103058245B (en) | 2012-12-24 | 2012-12-24 | Equipment and technology of calcium oxide producing with calcium sulfate |
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| Publication Number | Publication Date |
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| CN103058245A true CN103058245A (en) | 2013-04-24 |
| CN103058245B CN103058245B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210564848.8A Active CN103058245B (en) | 2012-12-24 | 2012-12-24 | Equipment and technology of calcium oxide producing with calcium sulfate |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590193A (en) * | 2019-11-04 | 2019-12-20 | 建德市泰合新材料有限公司 | High-purity calcium oxide calcining kiln car |
| CN117123031A (en) * | 2023-08-25 | 2023-11-28 | 宁可益(云南)环境科技有限责任公司 | Carbon fixing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109024A (en) * | 1994-03-19 | 1995-09-27 | 颜寿地 | Method and apparatus for producing lightweight calcium carbonate |
| WO2004087601A1 (en) * | 2003-02-24 | 2004-10-14 | Posco | METHOD AND BURNER APPARATUS FOR INJECTING A PULVERIZED COAL INTO ROTARY KILNS, METHOD AND APPARATUS FOR PRODUCING CaO USING THEM |
| CN1644507A (en) * | 2004-12-16 | 2005-07-27 | 山东海化集团有限公司 | Production of light calcium carbonate |
| RU2367604C1 (en) * | 2008-01-09 | 2009-09-20 | Государственное образовательное учреждение высшего профессионального образования Дальневосточный государственный технический университет (ДВПИ им. В.В. Куйбышева) | Method for treatment of carbon-carbonate mineral raw materials |
| CN202968147U (en) * | 2012-12-24 | 2013-06-05 | 刘立文 | Equipment for producing calcium oxide through calcium sulfate |
-
2012
- 2012-12-24 CN CN201210564848.8A patent/CN103058245B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109024A (en) * | 1994-03-19 | 1995-09-27 | 颜寿地 | Method and apparatus for producing lightweight calcium carbonate |
| WO2004087601A1 (en) * | 2003-02-24 | 2004-10-14 | Posco | METHOD AND BURNER APPARATUS FOR INJECTING A PULVERIZED COAL INTO ROTARY KILNS, METHOD AND APPARATUS FOR PRODUCING CaO USING THEM |
| CN1644507A (en) * | 2004-12-16 | 2005-07-27 | 山东海化集团有限公司 | Production of light calcium carbonate |
| RU2367604C1 (en) * | 2008-01-09 | 2009-09-20 | Государственное образовательное учреждение высшего профессионального образования Дальневосточный государственный технический университет (ДВПИ им. В.В. Куйбышева) | Method for treatment of carbon-carbonate mineral raw materials |
| CN202968147U (en) * | 2012-12-24 | 2013-06-05 | 刘立文 | Equipment for producing calcium oxide through calcium sulfate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590193A (en) * | 2019-11-04 | 2019-12-20 | 建德市泰合新材料有限公司 | High-purity calcium oxide calcining kiln car |
| CN117123031A (en) * | 2023-08-25 | 2023-11-28 | 宁可益(云南)环境科技有限责任公司 | Carbon fixing structure |
| CN117123031B (en) * | 2023-08-25 | 2024-05-24 | 宁可益(云南)环境科技有限责任公司 | Carbon fixing structure |
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| CN103058245B (en) | 2014-12-24 |
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