CN201842875U - High-efficiency air oxidation de-ironing device - Google Patents
High-efficiency air oxidation de-ironing device Download PDFInfo
- Publication number
- CN201842875U CN201842875U CN201020577555XU CN201020577555U CN201842875U CN 201842875 U CN201842875 U CN 201842875U CN 201020577555X U CN201020577555X U CN 201020577555XU CN 201020577555 U CN201020577555 U CN 201020577555U CN 201842875 U CN201842875 U CN 201842875U
- Authority
- CN
- China
- Prior art keywords
- air
- solution
- pipe
- air intake
- oxidation
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model relates to a high-efficiency air oxidation de-ironing device, which comprises a mixing tank and an air intake pipe. The air intake pipe passes through an air-solution mixer before extending into the mixing tank, the air-solution mixer comprises a large-diameter solution circulation pipe and a small-diameter air intake pipe, the air intake pipe of the air-solution mixer is led in and connected along the centerline of the solution circulation pipe, the solution circulation pipe is connected with the output pipe of a pump, the mixing tank and a solution input pipe are connected with the input pipe of the pump, and the air intake pipes are connected with a compressed air source. Solution to be de-ironed is pumped by the pump into the solution circulation pipe through the solution input pipe, is mixed with compressed air in the air-solution mixer, and is then guided into the mixing tank through a pipeline to be continuously mixed. Ferrous iron is oxidized into ferric iron when being contacted with the air, the ferric iron is hydrolyzed into solid residues, and then the solid residues are removed. The high-efficiency air oxidation de-ironing device realizes multiple times of solution-air mixing through repeated circulation and air contact, the ferrous iron can be fully contacted with the air and can be completely converted into the ferric iron, the de-ironing rate is up to 98 percent, and the operating cost is only one tenth of the cost of manganese dioxide oxidation.
Description
Technical field:
The utility model is a kind of highly effective air iron removal by oxidation device.Be used for the hydrometallurgy field.
Background technology:
In hydrometallurgical processes, adopt the method for oxidation to remove impurity iron in the solution in a large number, the oxygenant of use has chemical reagent such as Manganse Dioxide, hydrogen peroxide, also can use cheap air.As in Zinc hydrometallurgy process, use Manganse Dioxide as oxygenant.
Chinese patent CN1019317B has described the method for using the atmospheric oxidation deironing in the process of cadmium extraction.Chinese patent CN99111745x has described a kind of technology of copper-bath catalytic air oxidation method iron purification, adopts the plate of gas distributor or boring that air is fully scattered.
In with the ferrous process in the atmospheric oxidation solution, air and solution thorough mixing are the prerequisites that obtains abundant oxidation.But the scheme of above-mentioned patent all exists many deficiencies or defective, and air dispersion degree deficiency, oxygen contact insufficient with iron, and the effect of deironing is unsatisfactory, is necessary to be improved.
Summary of the invention:
The purpose of this utility model is at above-mentioned prior art problems, provide a kind of and make that air is scattered in the solution fully, iron and oxygen catalytic oxidation be abundant, and device---the highly effective air iron removal by oxidation device of deironing in the low hydrometallurgy solution of manufacturing cost and use cost is to remedy the deficiencies in the prior art.
This highly effective air iron removal by oxidation device that the utility model proposes, it has steel basin and air intake duct, it is characterized in that air intake duct passed through an air solution mixer earlier before entering steel basin, this air solution mixer is made up of the thicker thinner air intake duct in solution circulated tube and tube footpath of caliber, air intake duct is introduced along the tube core line direction of solution circulated pipe and is connected, the solution circulated pipe is connected with the output tube of pump, steel basin is connected with the input tube of pump with the solution input tube, and air intake duct is connected with compressed air source.
The solution circulated pipe is 1 with the ratio of the caliber of air intake duct junction: 0.3-0.7 was good with 1: 0.50.
Compressed-air actuated pressure is 0.1Mpa～1.0Mpa.
Mechanical agitating tank is a square or circular groove, the band mechanical stirring device.
Enter steel basin gas-liquid mixed circulation tube after the air solution mixer and join position in the mechanical agitating tank at liquid level, or below the liquid level.
The caliber of air solution mixer can be identical with the caliber of solution circulated pipe, but be greater than air intake duct.
The principle of air solution mixer is: when solution flows in circulation tube with enough speed, itself is in turbulence state solution, and behind the feeding pressurized air, fluid becomes gas-liquid mixture in solution, volume increases, flow velocity is accelerated, and gas-liquid is uniformly mixed.
Device of the present utility model is work like this:
The solution for the treatment of deironing through the solution input tube by the pump pump to the solution circulated pipe, be mixed into mixed flow at air solution mixer place and pressurized air, introduce steel basin through pipeline and continue stirring and evenly mixing, ferrous iron in the solution with the air contact process in be oxidized to ferric iron, ferric iron is hydrolyzed into solid slag and sinks to the bottom, liquid-solid separation, iron is just removed from solution.
The mode deironing that the utility model adopts circulation to contact with air repeatedly, closing gate valve when pumping into certain solution amount allows solution circulate repeatedly with air and mixes, and the touch opportunity of ferrous ion and air is abundant, the oxidation ratio height, ferrous iron is thorough to ferric conversion ten.Use through reality, the deironing rate is up to 98%.And operating cost only is 1/10th of a Manganse Dioxide oxidation style, and running cost is extremely low, and technique effect is very remarkable.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an air solution mixer structural representation.
The label of each component is among Fig. 1-2:
The 1-steel basin; The 2-whipping appts; The 3-liquid level; 4-air solution mixer; The 5-air intake duct; 6-solution circulated pipe; The 7-pump; 8-solution input tube.
Embodiment:
Shown in Fig. 1-2.Steel basin 1 is general agitation vat, is a circle or quadrate bucket, in whipping appts is housed, by driven by motor, the bottom of steel basin is communicated with the input tube of pump 7 with pipeline.The input tube of pump is connected with the solution input tube 8 that waits cleansing soln simultaneously.The solution input tube has gate valve control.The output tube of pump and solution circulated pipe 6 connected, and solution circulated pipe and 4 connections of air solution mixer, air intake duct 5 and air solution mixer are equivalent to insert a segment length along the parallel introducing of tube core line direction.Identical to guarantee that pressurized air sprays into the direction of solution with the flow of solution direction.The position of the mixing duct liquid outlet behind the air solution mixer can be at liquid level 3 places, perhaps any position below liquid level.
Air solution mixer (see figure 2) is by being linked by the thicker thinner air intake duct in solution circulated tube and tube footpath of caliber.Air intake duct and compressed air source are connected, and gate valve control is generally arranged.The cross-sectional area of air intake duct is advisable not influence in the solution circulated pipe solution circulated, preferably is not more than 50% of solution circulated pipe cross-sectional area.Solution circulates between pump, solution circulated pipe, air solution mixer and steel basin, after liquid-gas mixture in the air solution mixer behind the uniform mixing enters mechanical agitating tank, under churned mechanically effect with groove in the solution thorough mixing, play the effect of promote the oxidation reaction.Compressed-air actuated pressure is 0.1Mpa～1.0Mpa, and air capacity is every cube of solution 1～10Nm
3(standard state).
27m
3The atmospheric oxidation groove, mechanical stirring.Air adds by the air solution mixer, and the solution behind the mixing air feeds the following 1 meter depths of liquid level.With liquid 20m before the oxidation
3Squeeze into the atmospheric oxidation groove, air pressure 0.6Mpa, air capacity is every cube of solution 3.5Nm
3, 6 hours time, liquid is the solution of zinc sulfate that contains ferrous iron 8.63g/l before the oxidation of input, output atmospheric oxidation slag iron content 20.77%, and ferrous oxidation ratio is 98.93%.
80m
3Mechanical agitating tank is opened mechanical stirring.Air adds by the air solution mixer, and the circulation fluid that contains air joins the liquid level of atmospheric oxidation groove, and liquid before the oxidation is squeezed into the atmospheric oxidation groove continuously, air pressure 0.3Mpa, and air capacity is every cube of solution 5Nm
3, solution add-on 40m
3/ h.Liquid is the solution of zinc sulfate that contains ferrous iron 9.2g/l before the oxidation that drops into, output atmospheric oxidation slag iron content 19.66%, and ferrous oxidation ratio is 89.9%.Drop into solution of zinc sulfate 13603m altogether
3, output atmospheric oxidation slag 516.34t.
Embodiment 3
Two 80m
3Mechanical agitating tank series connection, at each mechanical agitating tank an air solution mixer is installed, liquid before the oxidation is squeezed into the atmospheric oxidation groove by the solution circulated pump inlet of first groove, flow is 3040m
3/ h.Air pressure 1.0Mpa, total air capacity is every cube of solution 10Nm
3, the residence time of solution in oxidation trough is 4 hours.Dropping into the preceding liquid of oxidation is the solution of zinc sulfate that contains ferrous iron 8.22g/l, output atmospheric oxidation slag iron content 18.01%, and ferrous oxidation ratio is 93.65%.Drop into solution of zinc sulfate 13000m altogether
3, output atmospheric oxidation slag 348.58t.
Claims (6)
1. highly effective air iron removal by oxidation device, it has steel basin and air intake duct, it is characterized in that air intake duct passed through an air solution mixer earlier before entering steel basin, this air solution mixer is made up of the thicker thinner air intake duct in solution circulated tube and tube footpath of caliber, air intake duct is introduced along the tube core line direction of solution circulated pipe and is connected, the solution circulated pipe is connected with the output tube of pump, steel basin is connected with the input tube of pump with the solution input tube, and air intake duct is connected with compressed air source.
2. highly effective air iron removal by oxidation device according to claim 1 is characterized in that the solution circulated pipe and the ratio of the caliber of air intake duct junction are 1: 0.3-0.7.
3. highly effective air iron removal by oxidation device according to claim 1 is characterized in that compressed-air actuated pressure is 0.1Mpa～1.0Mpa.
4. highly effective air iron removal by oxidation device according to claim 1 is characterized in that steel basin is a square or circular groove, the band mechanical stirring device.
5. highly effective air iron removal by oxidation device according to claim 1, the position of pipeline liquid outlet that it is characterized in that entering after the air solution mixer steel basin be at liquid level, or below the liquid level.
6. highly effective air iron removal by oxidation device according to claim 1 is characterized in that the caliber of air solution mixer can be identical with the caliber of solution circulated pipe, but is greater than air intake duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020577555XU CN201842875U (en) | 2010-10-22 | 2010-10-22 | High-efficiency air oxidation de-ironing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020577555XU CN201842875U (en) | 2010-10-22 | 2010-10-22 | High-efficiency air oxidation de-ironing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842875U true CN201842875U (en) | 2011-05-25 |
Family
ID=44037771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020577555XU Expired - Lifetime CN201842875U (en) | 2010-10-22 | 2010-10-22 | High-efficiency air oxidation de-ironing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201842875U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899490A (en) * | 2011-07-26 | 2013-01-30 | 刘向东 | Jetting self-suction type air catalytic oxidation method for iron and arsenic removal and device |
| CN103834818A (en) * | 2014-03-17 | 2014-06-04 | 长沙有色冶金设计研究院有限公司 | Oxygen adding system and method for reactor iron removing |
| CN104045144A (en) * | 2014-05-27 | 2014-09-17 | 大庆高新区百世环保科技开发有限公司 | Integrated apparatus for treating high-concentration chemical flooding oil field wastewater by strong oxidation gas wet contact method |
| CN108193051A (en) * | 2017-12-28 | 2018-06-22 | 长春工程学院 | A kind of neodymium iron boron powdered scrap room temperature wet method air, ozone secondary oxidation remove the device and method of iron |
| CN112011685A (en) * | 2020-09-15 | 2020-12-01 | 山东欧迈机械股份有限公司 | Metallurgical iron removing groove |
-
2010
- 2010-10-22 CN CN201020577555XU patent/CN201842875U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899490A (en) * | 2011-07-26 | 2013-01-30 | 刘向东 | Jetting self-suction type air catalytic oxidation method for iron and arsenic removal and device |
| CN102899490B (en) * | 2011-07-26 | 2014-11-12 | 刘向东 | Jetting self-suction type air catalytic oxidation method for iron and arsenic removal and device |
| CN103834818A (en) * | 2014-03-17 | 2014-06-04 | 长沙有色冶金设计研究院有限公司 | Oxygen adding system and method for reactor iron removing |
| CN103834818B (en) * | 2014-03-17 | 2015-04-08 | 长沙有色冶金设计研究院有限公司 | Oxygen adding system and method for reactor iron removing |
| CN104045144A (en) * | 2014-05-27 | 2014-09-17 | 大庆高新区百世环保科技开发有限公司 | Integrated apparatus for treating high-concentration chemical flooding oil field wastewater by strong oxidation gas wet contact method |
| CN104045144B (en) * | 2014-05-27 | 2015-08-26 | 大庆高新区百世环保科技开发有限公司 | A kind of integrated apparatus of Strong oxdiative gas wet type contact process process high density chemistry displacing oil-field oil extraction waste water |
| CN108193051A (en) * | 2017-12-28 | 2018-06-22 | 长春工程学院 | A kind of neodymium iron boron powdered scrap room temperature wet method air, ozone secondary oxidation remove the device and method of iron |
| CN112011685A (en) * | 2020-09-15 | 2020-12-01 | 山东欧迈机械股份有限公司 | Metallurgical iron removing groove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201842875U (en) | High-efficiency air oxidation de-ironing device | |
| CN203393208U (en) | Ozone oxidation reactor | |
| CN204474452U (en) | A kind of new and effective treating organic waste water by Fenton method deflector type integration apparatus | |
| CN108126490B (en) | Waste gas purification system | |
| CN101967556A (en) | Efficient air-oxidizing de-ironing device | |
| CN201880499U (en) | Continuous washing and oil-water separating device | |
| CN105820943B (en) | A kind of multi-stage gas-liquid joint stirring Venturi tube-CSTR reaction units | |
| CN202729953U (en) | Intermission biological reactor (IBR) continuous-flow integration sewage processing device | |
| CN203355383U (en) | Coagulative precipitation tank | |
| CN103626281B (en) | Integrated ozone and biological aerated filter water distributing and air distributing device | |
| CN202124516U (en) | Bypass aerating apparatus | |
| CN203663723U (en) | Micro-nano air-water mixer | |
| CN201495145U (en) | Reaction device for high-concentration ammonia nitrogen wastewater treatment | |
| CN105366796A (en) | Ozone catalytic device | |
| CN102951714B (en) | Gas dissolving floatation machine | |
| CN205062077U (en) | Gas -liquid jointly stirs venturi - entirely and mixes anaerobic digestion reactor | |
| CN211871742U (en) | Facultative MBR (membrane bioreactor) integrated treatment equipment | |
| CN205187968U (en) | Ozone catalytic unit | |
| CN204058056U (en) | A kind of Continuous Flow permanent water level SBR waste disposal plant | |
| CN209778349U (en) | Air stripping adds medicine reflux unit | |
| CN204125265U (en) | Wastewater from chemical industry integrated equipment for wastewater treatment | |
| CN210215095U (en) | Domestic sewage integrated device | |
| CN108191029A (en) | A kind of device and method of chemistry removal nitrite | |
| CN203382562U (en) | Combined oxidation ditch | |
| CN111072235A (en) | Facultative MBR (membrane bioreactor) integrated treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |