CN1818101A - Method for recovering metallic elements from mixed gas containing carbonyl substances - Google Patents
Method for recovering metallic elements from mixed gas containing carbonyl substances Download PDFInfo
- Publication number
- CN1818101A CN1818101A CNA200610065033XA CN200610065033A CN1818101A CN 1818101 A CN1818101 A CN 1818101A CN A200610065033X A CNA200610065033X A CN A200610065033XA CN 200610065033 A CN200610065033 A CN 200610065033A CN 1818101 A CN1818101 A CN 1818101A
- Authority
- CN
- China
- Prior art keywords
- gas
- waste gas
- nickel powder
- nickle carbonoxide
- metallic element
- 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
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 19
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 40
- 229960004424 carbon dioxide Drugs 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 27
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 25
- 239000002912 waste gas Substances 0.000 claims description 25
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 15
- 150000001728 carbonyl compounds Chemical class 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000003912 environmental pollution Methods 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 4
- 230000003000 nontoxic effect Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 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
- Y02P10/20—Recycling
Landscapes
- Treating Waste Gases (AREA)
Abstract
A method of recovering the metallic element from the gaseous mixture containing the carbonyl is in the nickel carbonyl production. The nickel carbonyl in the discharge gas is decompounded into the nickel powder and the CO in the 200-400 DEG C, the CO and the discharge gas burn in the incinerator in the 600-1000 DEG C, and the CO react to the CO2. the invention can recover the metallic element efficiently and improve the utilization ratio of the material. Also it has decreased the pollution to the environment.
Description
Technical field
A kind of method that reclaims metallic element from the mixed gas that contains carbonyl compound relates to the treatment of waste gas method in a kind of nickle carbonoxide production process, especially from the method for the recovery metallic element of the waste gas that contains micro-nickle carbonoxide.
Background technology
Nickle carbonoxide is a highly toxic substance, is heated and easily decomposes.In the production process of nickle carbonoxide, can produce the waste gas that some contain micro-nickle carbonoxide, this waste gas is based on carbon monoxide and nitrogen, and this gas must disinfection before exhaust.Method commonly used at present is that directly discharging or simple combustion are handled, and has caused environmental pollution, metallic element to run off and the UTILIZATION OF VESIDUAL HEAT IN deficiency.And waste gas is being passed into incinerator high-temp combustion sterilization back emptying, nickle carbonoxide does not wherein have efficient recovery, causes metal loss.
Summary of the invention
The objective of the invention is to overcome in the existing treatment process directly discharging or simple combustion processing and can cause environmental pollution, metallic element to run off and the insufficient shortcoming of UTILIZATION OF VESIDUAL HEAT IN, a kind of method that reclaims metallic element from the mixed gas that contains carbonyl compound that can effectively solve problem of environmental pollution, efficient recovery metallic element and utilize waste heat is provided.
The objective of the invention is to be achieved through the following technical solutions.
A kind of method that from the mixed gas that contains carbonyl compound, reclaims metallic element, it is characterized in that its removal process is to contain micro-nickle carbonoxide waste gas under 200-400 ℃ of temperature, nickle carbonoxide is decomposed into nickel powder and carbon monoxide, nickel powder is subjected to gravity settling separated from the gas, decompose the carbon monoxide discharge and waste gas by bagroom recovery nickel powder wherein after, entering incinerator burns under 600-1000 ℃ of temperature, make CO (carbon monoxide converter) gas wherein generate carbon dioxide, high altitude discharge then.
A kind of method that from the mixed gas that contains carbonyl compound, reclaims metallic element, it is characterized in that decomposing the device that contains micro-nickle carbonoxide waste gas is the shaft furnace of chuck heating; Conical lower portion at shaft furnace has a nickel powder collection box.
A kind of method that reclaims metallic element from the mixed gas that contains carbonyl compound, it is characterized in that decomposing the device that contains micro-nickle carbonoxide waste gas is that the shaft furnace that a chuck heats is with electrically heated.
Method of the present invention is characterized in that it being to have fed the chuck that decomposes the device that contains micro-nickle carbonoxide waste gas with the high-temperature flue gas that incinerator comes out shaft furnace is heated.
Method of the present invention, the waste gas (it forms most of be nitrogen, CO (carbon monoxide converter) gas) that will contain micro-nickle carbonoxide, carry out thermolysis makes wherein nickle carbonoxide be decomposed into nickel powder to obtain reclaiming in decomposer the inside, nickle carbonoxide decomposes the gas and nitrogen, the CO (carbon monoxide converter) gas that discharge and enters the high-temperature incinerator burning disposal, make CO (carbon monoxide converter) gas wherein be oxidized to nontoxic carbon dioxide, the high-temperature flue gas that comes out from incinerator turns back to the chuck internal heating decomposer of decomposer, thereby reaches the utilization again of waste heat.Method of the present invention has reclaimed metallic element effectively, has improved utilization ratio of raw materials.To enter in the incinerator from the gas after decomposing, carry out degree of depth sterilization, reduced environmental pollution.
Description of drawings
Accompanying drawing is a processing unit process flow synoptic diagram of the present invention.
Embodiment
A kind of method that from the mixed gas that contains carbonyl compound, reclaims metallic element, its removal process is to contain micro-nickle carbonoxide waste gas under 200-400 ℃ of temperature, nickle carbonoxide is decomposed into nickel powder and carbon monoxide, nickel powder is subjected to gravity settling separated from the gas, decompose the carbon monoxide discharge and waste gas by bagroom recovery nickel powder wherein after, enter incinerator and under 600-1000 ℃ of temperature, burn, make CO (carbon monoxide converter) gas wherein generate carbon dioxide, high altitude discharge then.Decompose the shaft furnace that the device that contains micro-nickle carbonoxide waste gas is chuck heating; Conical lower portion at shaft furnace has a nickel powder collection box.And decomposing the shaft furnace that contains micro-nickle carbonoxide waste gas is with electrically heated.The high-temperature flue gas that comes out with incinerator has fed the chuck that decomposes the device that contains micro-nickle carbonoxide waste gas shaft furnace has been heated simultaneously.
Below in conjunction with example method of the present invention is described further.
Embodiment 1
During operation, at first light waste gas combustion furnace 9, the incinerator temperature of combustion is raised to 900 ℃, the high-temperature flue gas that incinerator is discharged is guided to high-temperature blower 10 in the heating jacket 11 of decomposing furnace 2 of waste gas decomposition, decomposer is heated, after decomposer is heated to 300 ℃, the incinerator exhaust gas entrance switches on the exhaust pipeline that exports from decomposer by opening variable valve 12, close interim gas inlet 6 simultaneously, and the waste gas that will contain micro-nickle carbonoxide is delivered in the decomposer from the waste gas cabinet by exhaust pipeline 1, nickle carbonoxide wherein is decomposed into nickel powder, nickel powder falls into nickel powder collection box 3, decompose after the CO (carbon monoxide converter) gas discharge removes the nickel powder that wherein is mingled with by bagroom 4, CO (carbon monoxide converter) gas wherein under 900 ℃ of temperature with airborne oxygen reaction, generate nontoxic carbon dioxide.The high-temperature gas that incinerator is handled enters the chuck of decomposer by high-temperature blower, splitter is continued to heat, after the self-decomposition chuck comes out, through chimney 13 high altitude discharges, discharged flue gas conformance with standard.7,12 is regulated valve among the figure.
Embodiment 2
Operation is with example 1, and the incinerator temperature of combustion is raised to 1000 ℃, after decomposer is heated to 200 ℃, flue gas under 900 ℃ of temperature with airborne oxygen reaction, generate nontoxic carbon dioxide.The discharged flue gas conformance with standard.
Embodiment 3
Operation is with example 1, and the incinerator temperature of combustion is raised to 800 ℃, after decomposer is heated to 400 ℃, flue gas under 900 ℃ of temperature with airborne oxygen reaction, generate nontoxic carbon dioxide.The discharged flue gas conformance with standard.
Claims (4)
1. method that from the mixed gas that contains carbonyl compound, reclaims metallic element, it is characterized in that its removal process is to contain micro-nickle carbonoxide waste gas under 200-400 ℃ of temperature, nickle carbonoxide is decomposed into nickel powder and carbon monoxide, nickel powder is subjected to gravity settling separated from the gas, decompose the carbon monoxide discharge and waste gas by bagroom recovery nickel powder wherein after, entering incinerator burns under 600-1000 ℃ of temperature, make CO (carbon monoxide converter) gas wherein generate carbon dioxide, high altitude discharge then.
2. a kind of method that from the mixed gas that contains carbonyl compound, reclaims metallic element according to claim 1, it is characterized in that decomposing the device that contains micro-nickle carbonoxide waste gas is the shaft furnace of chuck heating; Conical lower portion at shaft furnace has a nickel powder collection box.
3. a kind of method that reclaims metallic element from the mixed gas that contains carbonyl compound according to claim 1, it is characterized in that decomposing the device that contains micro-nickle carbonoxide waste gas is that the shaft furnace that a chuck heats is with electrically heated.
4. according to claim 1, it is characterized in that it being to have fed the chuck that decomposes the device that contains micro-nickle carbonoxide waste gas with the high-temperature flue gas that incinerator comes out shaft furnace is heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610065033XA CN1818101A (en) | 2006-03-17 | 2006-03-17 | Method for recovering metallic elements from mixed gas containing carbonyl substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610065033XA CN1818101A (en) | 2006-03-17 | 2006-03-17 | Method for recovering metallic elements from mixed gas containing carbonyl substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1818101A true CN1818101A (en) | 2006-08-16 |
Family
ID=36918296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610065033XA Pending CN1818101A (en) | 2006-03-17 | 2006-03-17 | Method for recovering metallic elements from mixed gas containing carbonyl substances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1818101A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012033A (en) * | 2010-11-23 | 2011-04-13 | 金川集团有限公司 | Combustion treatment method for carbonyl nickel-containing waste gas |
| CN102068884A (en) * | 2010-11-23 | 2011-05-25 | 金川集团有限公司 | Purifying treatment method of waste gas generated in producing process of carbonyl nickel powder |
| CN102112206A (en) * | 2008-08-09 | 2011-06-29 | 东京毅力科创株式会社 | Metal recovery method, metal recovery device, exhaust system, and film formation device using the same |
| CN103127816A (en) * | 2013-03-15 | 2013-06-05 | 金川集团股份有限公司 | Processing method of waste gas containing carbonyl iron |
| CN109518155A (en) * | 2018-10-17 | 2019-03-26 | 金川集团股份有限公司 | A kind of production method of sulfur-bearing nickel ball |
-
2006
- 2006-03-17 CN CNA200610065033XA patent/CN1818101A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102112206A (en) * | 2008-08-09 | 2011-06-29 | 东京毅力科创株式会社 | Metal recovery method, metal recovery device, exhaust system, and film formation device using the same |
| CN102012033A (en) * | 2010-11-23 | 2011-04-13 | 金川集团有限公司 | Combustion treatment method for carbonyl nickel-containing waste gas |
| CN102068884A (en) * | 2010-11-23 | 2011-05-25 | 金川集团有限公司 | Purifying treatment method of waste gas generated in producing process of carbonyl nickel powder |
| CN102012033B (en) * | 2010-11-23 | 2012-05-30 | 金川集团有限公司 | A combustion treatment method for waste gas containing nickel carbonyl |
| CN103127816A (en) * | 2013-03-15 | 2013-06-05 | 金川集团股份有限公司 | Processing method of waste gas containing carbonyl iron |
| CN109518155A (en) * | 2018-10-17 | 2019-03-26 | 金川集团股份有限公司 | A kind of production method of sulfur-bearing nickel ball |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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