CN101817525A - Process and device for producing calcium carbide by using powder raw materials through two-stage method - Google Patents
Process and device for producing calcium carbide by using powder raw materials through two-stage method Download PDFInfo
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- CN101817525A CN101817525A CN201010171826A CN201010171826A CN101817525A CN 101817525 A CN101817525 A CN 101817525A CN 201010171826 A CN201010171826 A CN 201010171826A CN 201010171826 A CN201010171826 A CN 201010171826A CN 101817525 A CN101817525 A CN 101817525A
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention relates to a process for producing calcium carbide by using powder raw materials through the two-stage method, which comprises the following steps: leading power carbon-containing material, powder calcium-containing material and oxygen to burn, increasing the temperature of furnace materials in a vertical furnace to above 1300 DEG C, leading the hot furnace materials discharged from the bottom of the vertical furnace to enter into an electric arc furnace, increasing the temperature of the hot furnace materials to 1700-2200 DEG C under the thermal effect of electric arc of an electrode, and carrying out reaction for generating the calcium carbide. Gas containing solids in the vertical furnace is discharged by a furnace gas outlet pipe at the top of the vertical furnace and separated by a cyclone dust collector from, secondary dust collection, residual heat recovery and cloth bag dust collection are carried out on the separated gas to reduce the dust content to below 1-5mg/Nm3, the temperature is reduced to 30-45 DEG C, and then the gas can be recycled as fuel gas or chemical raw material gas. The process has the advantages of powder raw materials, low energy consumption, low cost, continuous production and high grade of the calcium carbide.
Description
Technical field
The present invention relates to a kind of production technique and device of calcium carbide, be specifically related to technology and device that two-stage method powder raw material calcium carbide is produced.
Background technology
The main component of calcium carbide is CaC
2, be the important source material of organic synthesis industry, in chemical industry, have vital role.The method of producing calcium carbide mainly contains electric heating process and the hot method of oxygen, present industrial production calcium carbide all adopts electric heating process, existing more than 110 year of this method developing history, although adopted technology such as coreless armature, airtight production and automatic control in recent years, but still need to consume a large amount of electric energy, general power consumption is 3500～3800kWh/t calcium carbide, and comprehensive energy consumption is very high, is unfavorable for energy-conservation and social Sustainable development.
It is still at the experimental stage at present that the hot method of oxygen is produced calcium carbide, production has a large amount of bibliographical informations about the hot method calcium carbide of oxygen both at home and abroad, as: " calcium carbide process for processing and product development utilization and pollution " book has been introduced Germany the third-largest calcium carbide company---and Baden aniline soda ash company has just built up the hot method half suitability for industrialized production calcium carbide device of oxygen as far back as nineteen thirty-nine, resumed production in 1948, adopt methane oxygen pyrolysis method, shaft furnace throughput (contains CaC for 70～100 tons for the daily output calcium carbide
280%).The clear 61-178412 of Japanese Patent discloses with full Jiao of shaft furnace, pure oxygen or the hot method Laboratory Production of oxygen enrichment oxygen calcium carbide.Domestic patent CN1843907A " method of preparing calcium carbide by oxygen-fuel blowing of high furnace and device " introduced and adopted the oxygen-rich air preheating, be fuel with the coke, the hot method of oxygen that is aided with coal injection and heavy oil etc. produces the method and the device of calcium carbide.
The hot method of electric heating process and oxygen is produced calcium carbide and is all adopted fixed-bed reactor at present, and electric heating process can only be used the block raw material of 3～40cm, and the hot method of oxygen is higher to the lumpiness requirement, to ensure the discharge of product C O gas, avoids air-flow freely not cause " collapsing bed ".Yet the reaction surface of block raw material is little, speed of reaction is slow, and the residence time in stove is long, throughput is little, and energy consumption of unit product is very high.In addition, the loss of block raw material in getting the raw materials ready is very big, and general about raw material more than 20% can not use [Wei Zemin, calcium carbide industrial energy saving Study on Technology, Chinese chlor-alkali, 1998] because grinding particle size is too small.The key reason of therefore, calcium carbide production " high investment, high energy consumption " is the mode that adopts block raw material and simple electric arc heat supply.
Summary of the invention
The technology and the device that the purpose of this invention is to provide the use producing calcium carbide by using powder raw materials through that a kind of energy consumption is little, cost is low.
Preparation method of the present invention is as follows:
(1), carbon raw material and calcic raw material be broken respectively earlier, sieve granularity less than 8mm, dries to moisture＜4wt%, two kinds of raw materials proportion;
(2), oxygen through being preheating to 900～1500 ℃ sprays in the shaft furnace from the oxygen jet of shaft furnace bottom, calcareous raw material after the cooperation and carbon raw material enter shaft furnace from the feed(raw material)inlet of shaft furnace, oxygen and carbon raw material combustion reactions are warming up to more than 1300 ℃ the furnace charge in the shaft furnace, the hot furnace charge that comes out in the shaft furnace bottom passes through tremie pipe, enter electric arc furnace from the hot furnace gas mouth of electric arc furnace, under the electrode arc heat effect, hot charge-temperature rises to 1700～2200 ℃, reaction generates calcium carbide, generate hot furnace gas simultaneously, hot furnace gas is discharged from hot furnace gas mouth, rises to shaft furnace through tremie pipe, and the high temperature calcium carbide liquid is discharged from the bottom leakage fluid dram of electric arc furnace, and carry out heat exchange with oxygen, calcium carbide liquid is cooled, and generates the calcium carbide product, and oxygen is preheated;
(3), shaft furnace contains solid gas and separates through tornado dust collector from shaft furnace top furnace gas export pipe, isolated solid is back in the shaft furnace through the raw material refluxing opening, recycle, isolated gas makes its dustiness drop to 1～5mg/Nm through two-stage dust removal, waste heat recovery, bag-type dust
3Below, temperature is reduced to 30～45 ℃, can be used as fuel gas or material gas and recycles.
Aforesaid carbon raw material and calcic raw materials quality are than being (1.3～3): 1
Carbon raw material is coal, coke or the mixture of the two of ash＜18% as mentioned above, and the calcic raw material is one or more in the unslaked lime of carbide slag, CaO content＞65% of Wingdale, CaO content＞65% of CaO content＞48%.
For realizing the purpose of foregoing invention, design has two-stage method to produce the calcium carbide device, it is by the epimere shaft furnace, hypomere electric arc furnace and cyclonic separator are formed, it is characterized in that shaft furnace is a cylinder mode, the peripheral hardware thermal insulation layer, gas distribution grid is arranged at the shaft furnace bottom, the feed(raw material)inlet is arranged on the gas distribution grid, the raw material refluxing opening, oxygen jet is arranged under the gas distribution grid, the shaft furnace furnace roof has furnace gas export, link to each other with tornado dust collector, tornado dust collector are connected with the raw material refluxing opening through the raw material return line, the shaft furnace bottom communicates with tremie pipe, the hypomere electric arc furnace is by furnace shell, the furnace wall, the body of heater manhole, bell, electrode, the electrode sealing-ring, cupola well, carbide liquid relief outlet and hot furnace gas mouth are formed, the furnace shell upper end is a bell, the furnace shell bottom is a cupola well, the furnace shell inboard is the furnace wall, and be positioned on the cupola well, the furnace wall, left side has manhole, bottom, furnace wall, right side has the carbide liquid outlet, and the electrode sealing-ring is arranged on the bell, place electrode in the hot furnace gas mouth, electrode sealing-ring, electrode is inserted into middle part in the electric arc furnace, and tremie pipe communicates with hot furnace gas mouth.
Aforesaid shaft furnace aspect ratio is 4～8.
Aforesaid carbide liquid discharge outlet adopts corundum brick to build by laying bricks or stones, and basque or furnace wall adopt that carbon element is brick to be built.
Aforesaid oxygen jet has 3～10.
The present invention has following remarkable advantage
1, compare with traditional calcium carbide production method, the present invention adopts powder raw material, and raw material sources are wide, utilization ratio is high, speed of reaction is fast, temperature of reaction is low, throughput is big.
2, adopt the compound heat-supplying mode of carbon raw material partial combustion heat supply and electric arc heat supply, calcium carbide product purity height, energy consumption of reaction is low, and the calcium carbide production cost is low.
Calcium carbide new process of production of the present invention, maximum feature is: adopting the oxidized thermal source that reaction mass is warming up to more than 1300 ℃ earlier, is that reaction of chief commander's calcium carbide and purification maintain 1700～2200 ℃ with the electric furnace heat supply again, generates the higher-grade calcium carbide.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Fig. 2 is that two-stage method of the present invention is produced calcium carbide device synoptic diagram.
The accompanying drawing marking explanation:
The 1-cupola well, 2-body of heater manhole, 3-bell, the hot furnace gas mouth of 4-, 5-tremie pipe, 6-gas distribution grid, the 7-feed(raw material)inlet, 8-furnace gas export, 9-tornado dust collector, 10-furnace gas pipe, 11-raw material return line, 12-raw material refluxing opening, the 13-oxygen jet, 14-electrode, 15-electrode sealing-ring, the 16-furnace shell, 17-furnace wall, 18-carbide liquid relief outlet.
Embodiment
Testing apparatus is minitype vertical type stove (supply load 300KVA).Test is Wingdale, unslaked lime, hard coal, coke with raw material, Wingdale CaO content 54.32%, unslaked lime butt CaO content 94%, hard coal volatile content 6.55%, ash 10.26%, coke volatile content 1.55%.
Two-stage method is produced the calcium carbide device by the epimere shaft furnace, hypomere electric arc furnace and cyclonic separator 9 are formed, shaft furnace is a cylinder mode, the peripheral hardware thermal insulation layer, gas distribution grid 6 is arranged at the shaft furnace bottom, feed(raw material)inlet 7 is arranged on the gas distribution grid 6, raw material refluxing opening 12, oxygen jet 13 is arranged under the gas distribution grid 6, the shaft furnace furnace roof has furnace gas export 8 to link to each other with tornado dust collector 9, raw material return line 11 on the tornado dust collector is connected with raw material refluxing opening 12, the shaft furnace bottom communicates with tremie pipe 5, the hypomere electric arc furnace is by furnace shell 16, furnace wall 17, body of heater manhole 2, bell 3, electrode 14, electrode sealing-ring 15, cupola well 1, carbide liquid relief outlet 18 and hot furnace gas mouth 4 are formed, furnace shell 16 upper ends are bells 3, furnace shell 16 bottoms are cupola wells 1, the furnace shell inboard is furnace wall 17, and be positioned on the cupola well 1, furnace wall 17, left side has manhole 2,17 bottoms, furnace wall, right side have carbide liquid outlet 18, electrode sealing-ring 15 is arranged on the bell 3, hot furnace gas mouth 8, place electrode 14 in the electrode sealing-ring 15, electrode 14 is inserted into middle part in the electric arc furnace, and tremie pipe 5 communicates with hot furnace gas mouth 4.Wherein the shaft furnace aspect ratio is 8, and carbide liquid discharge outlet 18 adopts corundum bricks to build by laying bricks or stones, and cupola well 1 liner and furnace wall 17 adopt that carbon element is brick to be built.Oxygen jet has 10, and level is evenly arranged.
(1), above-mentioned hard coal, Wingdale is broken respectively earlier, sieve granularity less than 8mm, dry to moisture＜4wt%, by weight ratio---hard coal: Wingdale=cooperate at 1.54: 1;
(2), through being preheating to 1000～1400 ℃ oxygen by 110.8Nm
3The flow of/h sprays in the shaft furnace from the oxygen jet 13 of shaft furnace bottom, hard coal after the cooperation, Wingdale enters shaft furnace according to the flow of 340kg/h continuously from the feed(raw material)inlet 7 of shaft furnace, oxygen and anthracite combustion reaction make the furnace charge in the shaft furnace be warming up to 1300～1500 ℃, the hot furnace charge that comes out in the shaft furnace bottom is by tremie pipe 5, enter electric arc furnace from the hot furnace gas mouth 4 of electric arc furnace, under electrode 14 arc heat effects, hot charge-temperature rises to 1900～2100 ℃, reaction generates calcium carbide, generates hot furnace gas simultaneously, and hot furnace gas is discharged from hot furnace gas mouth 4, rise to shaft furnace through tremie pipe 5, the high temperature calcium carbide liquid is discharged from the bottom leakage fluid dram 18 of electric arc furnace, and carries out heat exchange with oxygen, and calcium carbide liquid is cooled, generate the calcium carbide product, oxygen is preheated, and carbide liquid is every two hours arranged once, each about 170kg of discharge capacity;
(3), shaft furnace contains solid gas and separates through tornado dust collector 9 from shaft furnace top furnace gas export 8 pipes, isolated solid is through raw material return line 11, raw material refluxing opening 12 is back in the shaft furnace, recycle, isolated gas makes its dustiness drop to 1～5mg/Nm through two-stage dust removal, waste heat recovery, bag-type dust
3Below, temperature is reduced to 30～45 ℃, can be used as fuel gas or material gas and recycles.
The CaC of gained calcium carbide product
2Content is 80.6%, and gas forming amount is 300L/kg.
The shaft furnace aspect ratio that two-stage method is produced the calcium carbide device is 5.5, and oxygen jet has 6.Above-mentioned hard coal, unslaked lime is broken respectively earlier, sieve granularity less than 8mm, dry to moisture＜4wt%, by weight ratio---hard coal: after unslaked lime=1.72: 1 cooperates, flow according to 210kg/h is sent in the vertical heater continuously, epimere shaft furnace dump temperature is controlled at 1300～1500 ℃, hypomere electric arc furnace carbide liquid temperature is controlled at about 1900～2100 ℃, winding-up pure oxygen 64Nm
3/ h.Every two hours arrange carbide liquid one time, each about 170kg of discharge capacity is cooled to normal temperature with it, CaC
2Content is 80.6%, and gas forming amount is 300L/kg.All the other are with embodiment 1.
The shaft furnace aspect ratio that two-stage method is produced the calcium carbide device is 4, and oxygen jet has 3.Above-mentioned coke, Wingdale is broken respectively earlier, sieve granularity less than 8mm, dry to moisture＜4wt%, by weight ratio---coke: after Wingdale=1.47: 1 cooperates, flow according to 330kg/h is sent in the vertical heater continuously, epimere shaft furnace dump temperature is controlled at 1300～1500 ℃, hypomere electric arc furnace carbide liquid temperature is controlled at 1900～2100 ℃, winding-up pure oxygen 110.8Nm
3/ h.Every two hours arrange carbide liquid one time, each about 170kg of discharge capacity is cooled to normal temperature with it, CaC
2Content is 80.6%, and gas forming amount is 300L/kg.All the other are with embodiment 1.
The shaft furnace aspect ratio that two-stage method is produced the calcium carbide device is 7, and oxygen jet has 8.Above-mentioned coke, unslaked lime is broken respectively earlier, sieve granularity less than 8mm, dry to moisture＜4wt%, by weight ratio---coke: after unslaked lime=1.64: 1 cooperates, flow according to 200kg/h is sent in the vertical heater continuously, epimere shaft furnace dump temperature is controlled at 1300～1500 ℃, and hypomere electric arc furnace carbide liquid temperature is controlled at 1900～2100 ℃, winding-up pure oxygen 64Nm
3/ h.Every two hours arrange carbide liquid one time, each about 170kg of discharge capacity is cooled to normal temperature with it, CaC
2Content is 80.6%, and gas forming amount is 300L/kg.All the other are with embodiment 1.
Claims (8)
1. the technology of a producing calcium carbide by using powder raw materials through two-stage method is characterized in that comprising the steps:
(1), carbon raw material and calcic raw material be broken respectively earlier, sieve granularity less than 8mm, dries to moisture＜4wt%, two kinds of raw materials proportion;
(2), oxygen through being preheating to 900～1500 ℃ sprays in the shaft furnace from the oxygen jet of shaft furnace bottom, calcareous raw material after the cooperation and carbon raw material enter shaft furnace from the feed(raw material)inlet of shaft furnace, oxygen and carbon raw material combustion reactions are warming up to more than 1300 ℃ the furnace charge in the shaft furnace, the hot furnace charge that comes out in the shaft furnace bottom passes through tremie pipe, enter electric arc furnace from the hot furnace gas mouth of electric arc furnace, under the electrode arc heat effect, hot charge-temperature rises to 1700～2200 ℃, reaction generates calcium carbide, generate hot furnace gas simultaneously, hot furnace gas is discharged from hot furnace gas mouth, rises to shaft furnace through tremie pipe, and the high temperature calcium carbide liquid is discharged from the bottom leakage fluid dram of electric arc furnace, and carry out heat exchange with oxygen, calcium carbide liquid is cooled, and generates the calcium carbide product, and oxygen is preheated;
(3), shaft furnace contains solid gas and separates through tornado dust collector from shaft furnace top furnace gas export pipe, isolated solid is back in the shaft furnace through the raw material refluxing opening, recycle, isolated gas makes its dustiness drop to 1～5mg/Nm through two-stage dust removal, waste heat recovery, bag-type dust
3Below, temperature is reduced to 30～45 ℃, can be used as fuel gas or material gas and recycles.
2. the technology of a kind of producing calcium carbide by using powder raw materials through two-stage method as claimed in claim 1 is characterized in that described carbon raw material and calcic raw materials quality ratio are 1.3～3: 1
3. the technology of a kind of producing calcium carbide by using powder raw materials through two-stage method as claimed in claim 1 is characterized in that described carbon raw material is coal, coke or the mixture of the two of ash＜18%.
4. the technology of a kind of producing calcium carbide by using powder raw materials through two-stage method as claimed in claim 1 is characterized in that described calcic raw material is one or more in the unslaked lime of carbide slag, Ca0 content＞65% of the Wingdale of Ca0 content＞48%, Ca0 content＞65%.
5. as the device of the technology of each described a kind of producing calcium carbide by using powder raw materials through two-stage method of claim 1-4, it is characterized in that it is by the epimere shaft furnace, hypomere electric arc furnace and cyclonic separator (9) are formed, shaft furnace is a cylinder mode, the peripheral hardware thermal insulation layer, gas distribution grid (6) is arranged at the shaft furnace bottom, feed(raw material)inlet (7) is arranged on the gas distribution grid (6), raw material refluxing opening (12), oxygen jet (13) is arranged under the gas distribution grid (6), the shaft furnace furnace roof has furnace gas export (8) to link to each other with tornado dust collector (9), raw material return line (11) on the tornado dust collector (9) is connected with raw material refluxing opening (12), the shaft furnace bottom communicates with tremie pipe (5), the hypomere electric arc furnace is by furnace shell (16), furnace wall (17), body of heater manhole (2), bell (3), electrode (14), electrode sealing-ring (15), cupola well (1), carbide liquid relief outlet (18) and hot furnace gas mouth (4) are formed, furnace shell (16) upper end is bell (3), furnace shell (16) bottom is cupola well (1), the furnace shell inboard is furnace wall (17), and be positioned on the cupola well (1), furnace wall, left side (17) has manhole (2), bottom, furnace wall, right side (17) has carbide liquid outlet (18), electrode sealing-ring (15) is arranged on the bell (3), hot furnace gas mouth (8), place electrode (14) in the electrode sealing-ring (15), electrode (14) is inserted into middle part in the electric arc furnace, and tremie pipe (5) communicates with hot furnace gas mouth (4).
6. the device of the technology of a kind of producing calcium carbide by using powder raw materials through two-stage method as claimed in claim 5 is characterized in that described shaft furnace aspect ratio is 4～8.
7. the device of the technology of a kind of producing calcium carbide by using powder raw materials through two-stage method as claimed in claim 5 is characterized in that described carbide liquid outlet (18) adopts corundum brick to build by laying bricks or stones, and cupola well (1) liner or furnace wall (17) adopt that carbon element is brick to be built.
The device of technology of a kind of producing calcium carbide by using powder raw materials through two-stage method as claimed in claim 5, it is characterized in that described oxygen jet has 3～10.
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153085A (en) * | 2010-12-03 | 2011-08-17 | 中国五环工程有限公司 | Method for preparing calcium carbide and synthesis gas through thermal oxidation reaction and calcium carbide reactor |
| CN102701608A (en) * | 2012-06-04 | 2012-10-03 | 石家庄市新华工业炉有限公司 | Limekiln coproduction device |
| CN103011164A (en) * | 2012-12-25 | 2013-04-03 | 中国五环工程有限公司 | Method for preparing calcium carbide and synthetic gas via flameless oxidation heating method, and calcium carbide reactor |
| CN103408013A (en) * | 2013-08-03 | 2013-11-27 | 石家庄新华能源环保科技股份有限公司 | Calcium carbide furnace with combination of oxygen heating method and electric heating method |
| CN103708461A (en) * | 2013-12-25 | 2014-04-09 | 北京神雾环境能源科技集团股份有限公司 | Method for preparing calcium carbide |
| CN103708743A (en) * | 2013-12-25 | 2014-04-09 | 北京神雾环境能源科技集团股份有限公司 | Method for preparation of raw materials for smelting calcium carbide |
| CN104192846A (en) * | 2014-08-15 | 2014-12-10 | 浙江天翔环保设备有限公司 | Calcium carbide furnace capable of recycling tail gas |
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| CN106430204A (en) * | 2016-12-09 | 2017-02-22 | 神雾环保技术股份有限公司 | Thermal treatment and oxygen thermal recovery integrated calcium carbide smelting furnace |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034572A2 (en) * | 1980-02-19 | 1981-08-26 | Achille Bravi | A process for producing calcium carbide and acetylene and products obtained therefrom |
| CN1038798A (en) * | 1988-06-22 | 1990-01-17 | 杨朝杰 | The method and apparatus of smelting calcium carbide |
| WO1997013720A1 (en) * | 1995-10-13 | 1997-04-17 | Genvol Corp. Esteblishment | Process for producing calcium carbide |
| CN1843907A (en) * | 2005-04-07 | 2006-10-11 | 岳书才 | Method and apparatus for preparing calcium carbide by oxygen-fuel blowing of high furnace |
| CN101327928A (en) * | 2008-08-01 | 2008-12-24 | 北京化工大学 | Calcium carbide production method |
-
2010
- 2010-05-14 CN CN2010101718266A patent/CN101817525B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034572A2 (en) * | 1980-02-19 | 1981-08-26 | Achille Bravi | A process for producing calcium carbide and acetylene and products obtained therefrom |
| CN1038798A (en) * | 1988-06-22 | 1990-01-17 | 杨朝杰 | The method and apparatus of smelting calcium carbide |
| WO1997013720A1 (en) * | 1995-10-13 | 1997-04-17 | Genvol Corp. Esteblishment | Process for producing calcium carbide |
| CN1843907A (en) * | 2005-04-07 | 2006-10-11 | 岳书才 | Method and apparatus for preparing calcium carbide by oxygen-fuel blowing of high furnace |
| CN101327928A (en) * | 2008-08-01 | 2008-12-24 | 北京化工大学 | Calcium carbide production method |
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| CN102153085A (en) * | 2010-12-03 | 2011-08-17 | 中国五环工程有限公司 | Method for preparing calcium carbide and synthesis gas through thermal oxidation reaction and calcium carbide reactor |
| CN102153085B (en) * | 2010-12-03 | 2013-10-16 | 中国五环工程有限公司 | Method for preparing calcium carbide and synthesis gas through thermal oxidation reaction and calcium carbide reactor |
| CN102701608A (en) * | 2012-06-04 | 2012-10-03 | 石家庄市新华工业炉有限公司 | Limekiln coproduction device |
| CN103011164A (en) * | 2012-12-25 | 2013-04-03 | 中国五环工程有限公司 | Method for preparing calcium carbide and synthetic gas via flameless oxidation heating method, and calcium carbide reactor |
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