CN102275920A - Method for synthesizing calcium carbide smelting raw material by extruding calcined coal powder and lime powder - Google Patents
Method for synthesizing calcium carbide smelting raw material by extruding calcined coal powder and lime powder Download PDFInfo
- Publication number
- CN102275920A CN102275920A CN2011101436141A CN201110143614A CN102275920A CN 102275920 A CN102275920 A CN 102275920A CN 2011101436141 A CN2011101436141 A CN 2011101436141A CN 201110143614 A CN201110143614 A CN 201110143614A CN 102275920 A CN102275920 A CN 102275920A
- Authority
- CN
- China
- Prior art keywords
- calcium carbide
- coal
- lime powder
- extruding
- lime
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 30
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 30
- 239000004571 lime Substances 0.000 title claims abstract description 30
- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 29
- 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 title claims abstract description 29
- 239000000843 powder Substances 0.000 title claims abstract description 25
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 239000002994 raw material Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003723 Smelting Methods 0.000 title abstract description 10
- 230000002194 synthesizing effect Effects 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000005272 metallurgy Methods 0.000 claims description 9
- 238000005453 pelletization Methods 0.000 claims description 9
- 239000002817 coal dust Substances 0.000 claims description 8
- 239000011300 coal pitch Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 5
- 239000011295 pitch Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000011294 coal tar pitch Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 description 8
- 241001062472 Stokellia anisodon Species 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- 229910002090 carbon oxide Inorganic materials 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a method of synthesizing a calcium carbide smelting raw material by extruding calcined coal powder and lime powder. The method comprises the following processing steps of: uniformly mixing the calcined coal powder, the lime powder and medium-temperature coal tar pitch according to a weight proportion of (42-48%):(42-48%):(8-12%), then stirring for 10-15 minutes under the condition of a constant temperature of 200 DEG C-220 DEG C, finally extruding the mixture into oval pellets by using a mixture extrusion molding machine, and naturally cooling to obtain the calcium carbide smelting raw material. The method provided by the invention can ensure that calcined coal and lime are fully used in the calcium carbide smelting under the conditions of low cost and low technical requirements so as to achieve the purposes of reducing the cost, saving resources and protecting environment.
Description
Technical field
The present invention relates to the calcium carbide technical field of smelting, particularly relate to the method that a kind of usefulness is forged coal, the synthetic calcium carbide raw materials for metallurgy of lime powder extruding.
Background technology
When forging coal, blue charcoal or lime powder and be used for calcium carbide and smelt, must use hollow electrode to utilize.Because the electrode cost of hollow electrode is more than 3 times of ordinary electrode, cause this technology cost height, technical requirements height in this method, extensive utilization and extention causes and forges coal, blue charcoal and lime powder and become unserviceable industry and give up admittedly.
Summary of the invention
Purpose of the present invention just is to overcome the defective of above-mentioned prior art, and the blue charcoal of usefulness that a kind of cost is low, technical requirements is low, the method for the synthetic calcium carbide raw materials for metallurgy of lime powder extruding are provided.
For realizing that the technical solution used in the present invention is:
A kind of usefulness is forged the method for coal, the synthetic calcium carbide raw materials for metallurgy of lime powder extruding, its processing step is: will forge coal dust end, lime powder and medium temperature coal pitch and mix according to the weight proportion of 42～48%:42～48%:8～12%, under 200 ℃～220 ℃ constant temperatures, stirred 10～15 minutes then, be squeezed into oval pelletizing with the compound single-lead-screw extruding briquetting machine at last, behind the naturally cooling;
Described granularity of forging the coal dust end is below 1mm, and the granularity of lime powder is below 0.5mm;
Described mid-temperature pitch coal is a melting state when mixing;
The major axis of above-mentioned oval pelletizing is 3cm～5cm.
Usefulness of the present invention is forged the method for coal, the synthetic calcium carbide raw materials for metallurgy of lime powder extruding, to forge coal, lime and add lime, blue charcoal or forge coal after the medium temperature coal pitch extrusion becomes pellet feed, and make it to reach calcium carbide and smelt to participate in directly behind the needed carbon and smelt reaction.This method can make forges coal, lime under situation with low cost, that technical requirements is not high, can make full use of in calcium carbide is smelted, and reaches the purpose that reduces cost, economizes on resources and protect environment.Through smelting experiment, the working of a furnace is stable in level land, Pingluo County, Ningxia chemical industry company limited in the present invention, and product is qualified, and is with low cost, proves success fully.
Embodiment
Embodiment 1
Get 45% forge coal dust end (granularity is below 1mm), 45% lime powder (granularity is below 0.5mm), 10% fragment medium temperature coal pitch (melting state), mix by above quantitative ratio and to mix evenly, join in 200 ℃ the constant temperature agitator kettle and stirred 15 minutes, open the agitator kettle discharge port, compound is sent into the single-lead-screw extruding briquetting machine feeding mouth, open single-lead-screw extruding briquetting machine compound is squeezed into the oval pelletizing of major axis 3cm, behind the naturally cooling, can become the pellet feed that calcium carbide is smelted.(through the chemical examination pelletizing, its main content's index is a fixed carbon 42% to this raw material; Calcium oxide 42%; Hydrocarbon polymer 3%; Ash content 10%; Volatile matter 3%.) allocate lime, blue charcoal according to a certain percentage into or forge coal, can go into stove and smelt calcium carbide, reach carbon and calcium oxide participation smelting reaction that calcium carbide is smelted to be needed.
Embodiment 2
Get 42% forge coal dust end (granularity is below 1mm), 48% lime powder (granularity is below 0.5mm), 10% fragment medium temperature coal pitch (melting state), mix by above quantitative ratio and to mix evenly, join in 200 ℃ the constant temperature agitator kettle and stirred 15 minutes, open the agitator kettle discharge port, compound is sent into the single-lead-screw extruding briquetting machine feeding mouth, open single-lead-screw extruding briquetting machine compound is squeezed into the oval pelletizing of major axis 3cm, behind the naturally cooling, can become the pellet feed that calcium carbide is smelted.This raw material is allocated lime, blue charcoal according to a certain percentage into or is forged coal, can go into stove and smelt calcium carbide, reaches carbon and calcium oxide participation smelting reaction that calcium carbide is smelted to be needed.
Embodiment 3
Get 48% forge coal dust end (granularity is below 1mm), 44% lime powder (granularity is below 0.5mm), 8% fragment medium temperature coal pitch (melting state), mix by above quantitative ratio and to mix evenly, join in 200 ℃ the constant temperature agitator kettle and stirred 15 minutes, open the agitator kettle discharge port, compound is sent into the single-lead-screw extruding briquetting machine feeding mouth, open single-lead-screw extruding briquetting machine compound is squeezed into the oval pelletizing of major axis 3cm, behind the naturally cooling, can become the pellet feed that calcium carbide is smelted.This raw material is allocated lime, blue charcoal according to a certain percentage into or is forged coal, can go into stove and smelt calcium carbide, reaches carbon and calcium oxide participation smelting reaction that calcium carbide is smelted to be needed.
Embodiment 4
Get 46% forge coal dust end (granularity is below 1mm), 42% lime powder (granularity is below 0.5mm), 12% fragment medium temperature coal pitch (melting state), mix by above quantitative ratio and to mix evenly, join in 200 ℃ the constant temperature agitator kettle and stirred 15 minutes, open the agitator kettle discharge port, compound is sent into the single-lead-screw extruding briquetting machine feeding mouth, open single-lead-screw extruding briquetting machine compound is squeezed into the oval pelletizing of major axis 4cm, behind the naturally cooling, can become the pellet feed that calcium carbide is smelted.This raw material is allocated lime, blue charcoal according to a certain percentage into or is forged coal, can go into stove and smelt calcium carbide, reaches carbon and calcium oxide participation smelting reaction that calcium carbide is smelted to be needed.
Claims (4)
1. one kind with the method for forging the synthetic calcium carbide raw materials for metallurgy of coal, lime powder extruding, its processing step is: will forge coal dust end, lime powder and medium temperature coal pitch and mix according to the weight proportion of 42～48%:42～48%:8～12%, under 200 ℃～220 ℃ constant temperatures, stirred 10～15 minutes then, be squeezed into oval pelletizing with the compound single-lead-screw extruding briquetting machine at last, behind the naturally cooling.
2. forge the method for coal, the synthetic calcium carbide raw materials for metallurgy of lime powder extruding according to the described usefulness of claim 1, it is characterized in that: described granularity of forging the coal dust end is below 1mm, and the granularity of lime powder is below 0.5mm.
3. forge the method for coal, the synthetic calcium carbide raw materials for metallurgy of lime powder extruding according to the described usefulness of claim 1, it is characterized in that: described mid-temperature pitch coal is a melting state when mixing.
4. forge the method for coal, the synthetic calcium carbide raw materials for metallurgy of lime powder extruding according to the described usefulness of claim 1, it is characterized in that: the major axis of above-mentioned oval pelletizing is 3cm～5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101436141A CN102275920A (en) | 2011-05-31 | 2011-05-31 | Method for synthesizing calcium carbide smelting raw material by extruding calcined coal powder and lime powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101436141A CN102275920A (en) | 2011-05-31 | 2011-05-31 | Method for synthesizing calcium carbide smelting raw material by extruding calcined coal powder and lime powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102275920A true CN102275920A (en) | 2011-12-14 |
Family
ID=45101724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101436141A Pending CN102275920A (en) | 2011-05-31 | 2011-05-31 | Method for synthesizing calcium carbide smelting raw material by extruding calcined coal powder and lime powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102275920A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451135A (en) * | 2014-11-26 | 2015-03-25 | 北京神雾环境能源科技集团股份有限公司 | Method for agglomerating pellets containing ultrafine coal powder and ultrafine quicklime powder |
| CN104480302A (en) * | 2014-11-26 | 2015-04-01 | 北京神雾环境能源科技集团股份有限公司 | Agglomerating method of pellets containing superfine pulverized coal and superfine quicklime powder |
| CN104494195A (en) * | 2014-11-26 | 2015-04-08 | 北京神雾环境能源科技集团股份有限公司 | Method for agglomerating pellets containing ultrathin coal powder and ultrathin quicklime powder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186291A (en) * | 2007-07-27 | 2008-05-28 | 徐东耀 | Composite carbon element material and preparation method thereof |
| CN101708998A (en) * | 2009-11-30 | 2010-05-19 | 张至德 | Method for preparing briquetting furnace burden fro calcium carbide production from hydrated lime powder and coking coal powder |
-
2011
- 2011-05-31 CN CN2011101436141A patent/CN102275920A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186291A (en) * | 2007-07-27 | 2008-05-28 | 徐东耀 | Composite carbon element material and preparation method thereof |
| CN101708998A (en) * | 2009-11-30 | 2010-05-19 | 张至德 | Method for preparing briquetting furnace burden fro calcium carbide production from hydrated lime powder and coking coal powder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451135A (en) * | 2014-11-26 | 2015-03-25 | 北京神雾环境能源科技集团股份有限公司 | Method for agglomerating pellets containing ultrafine coal powder and ultrafine quicklime powder |
| CN104480302A (en) * | 2014-11-26 | 2015-04-01 | 北京神雾环境能源科技集团股份有限公司 | Agglomerating method of pellets containing superfine pulverized coal and superfine quicklime powder |
| CN104494195A (en) * | 2014-11-26 | 2015-04-08 | 北京神雾环境能源科技集团股份有限公司 | Method for agglomerating pellets containing ultrathin coal powder and ultrathin quicklime powder |
| CN104451135B (en) * | 2014-11-26 | 2016-12-07 | 神雾环保技术股份有限公司 | Containing microfine coal and the agglomeration method of the pelletizing of ultra-fine calcium lime powder |
| CN104494195B (en) * | 2014-11-26 | 2017-02-22 | 北京神雾环境能源科技集团股份有限公司 | Method for agglomerating pellets containing ultrathin coal powder and ultrathin quicklime powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103708455B (en) | The method preparing carbide | |
| CN103708456B (en) | The method preparing carbide | |
| CN105668568B (en) | Produce the system and method for calcium carbide | |
| CN102296138B (en) | Method for preparing vanadium-iron intermetallic compound and titanium slag using linear moving bed pre-reduction-shaft furnace melting process | |
| CN102225765A (en) | Mixed pellets composed of fine coal powder and limestone powder for producing calcium carbide | |
| CN107235728B (en) | Energy-saving production process of prebaked anode | |
| CN105036132B (en) | The method for preparing calcium carbide | |
| CN102249232A (en) | Method for synthesizing calcium carbide smelting raw material by extruding blue coke and lime powder | |
| CN102442671A (en) | Method for producing industrial silicon by using composite carbonaceous reducing agent instead of charcoal | |
| CN102275920A (en) | Method for synthesizing calcium carbide smelting raw material by extruding calcined coal powder and lime powder | |
| CN105776218A (en) | Calcium carbide preparation system and method | |
| CN102443674B (en) | Silicon carbide pellet and purpose of pellet as temperature improving agent in converter smelting process | |
| CN106010707A (en) | Forming method of semicoke powder and quicklime powder | |
| CN101724747A (en) | Method for preparing briquetting furnace burden of submerged arc furnace with innocent adhesion and thermal treatment enhancement technology | |
| CN103708459B (en) | Prepare the method for calcium carbide | |
| CN102249233B (en) | Process for synthesizing calcium carbide smelting raw material by extruding semi-coke, calcined coal and lime powder | |
| CN105885978A (en) | Briquette and calcium carbide preparation method and calcium carbide preparation system | |
| CN105514361A (en) | Negative electrode material boat-less carbonization process | |
| CN205709884U (en) | A kind of preparation system of carbide | |
| CN102275921A (en) | Method for synthesizing calcium carbide smelting raw material from semicoke, calcined coal and lime powder | |
| CN103224397A (en) | Method for producing high-density prebaked anode by adopting carbon intermediate | |
| CN103274389A (en) | Method for producing silicon iron smelting carbonaceous reducing agent by using industrial waste residues | |
| CN104528723A (en) | Method for preparing calcium carbide | |
| CN111944937A (en) | Preparation method of carbon-iron composite furnace charge | |
| CN210795784U (en) | System for production carbide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111214 |