CN206343281U - A kind of iron powder recovery system based on siliceous mixture - Google Patents
A kind of iron powder recovery system based on siliceous mixture Download PDFInfo
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- CN206343281U CN206343281U CN201621352905.6U CN201621352905U CN206343281U CN 206343281 U CN206343281 U CN 206343281U CN 201621352905 U CN201621352905 U CN 201621352905U CN 206343281 U CN206343281 U CN 206343281U
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- iron powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
Abstract
The utility model discloses a kind of iron powder recovery system based on siliceous mixture, including the fluid agitation equipment being sequentially connected by pipeline, cyclone, mixing pit, retort, sedimentation basin, filtering ponds, magnetic drum separator, fluid agitation equipment will contain iron powder first, the mixed liquor of white residue is pipelined to cyclone, the particle that underflow opening is discharged is delivered to mixing pit by cyclone, mixed liquor is delivered to retort by mixing pit, mixed liquor in retort is delivered to sedimentation basin precipitation, in sediment conveying bucket in sedimentation basin, liquid in sedimentation basin is delivered to filtering ponds filtering, liquid after filtering is delivered to magnetic drum separator, Solid Conveying and Melting after filtering is into bucket, the solid particle held is delivered to bucket by magnetic drum separator；The iron that the utility model is solved in the ferrosilicon mixture in existing industrial waste can not be recycled, and cause the problem of wasting of resources and environmental pollution.
Description
Technical field
The utility model is related to iron silicon mixture recycling field, and in particular to a kind of iron powder based on siliceous mixture is reclaimed
System.
Background technology
A kind of most important metal dust in iron powder metallurgical industry.Iron powder consumption in powder metallurgy production is maximum, its
Consumption accounts for 85% or so of metal dust total flow, and the staple market of iron powder is manufacture machine components, its required iron powder
Amount accounts for the 80% of iron powder total output.
Silicon is that one kind has two kinds of allotropes of amorphous silicon and crystalline silicon, and crystalline silicon is grey black, metallic luster, molten point
Height, hardness is big, and quality is crisp, and electric conductivity is semiconductor.With developing rapidly for science and technology, China is increasing to the demand of silicon,
Although silicon is only second to oxygen in the content of the earth's crust, mass fraction is 26.3%.
In the industrial production, iron powder and silicon are mixed into making mixture or processing device is very common, but system
Containing a large amount of unrecovered iron powders and white residue in the waste material of generation after having made, in the prior art usually by iron powder and white residue burial
Reason, not only pollutes environment but also very waste of resource.
Utility model content
The purpose of this utility model is to provide a kind of iron powder recovery system based on siliceous mixture, the existing industry of solution
The iron in ferrosilicon mixture in waste material can not be recycled, and cause the problem of wasting of resources and environmental pollution.
The utility model is achieved through the following technical solutions：
A kind of iron powder recovery system based on siliceous mixture, including be sequentially connected by pipeline fluid agitation equipment,
Cyclone, mixing pit, retort, sedimentation basin, filtering ponds, first magnetic drum separator, fluid agitation equipment will contain iron powder, white residue
Mixed liquor be pipelined to cyclone, the particle that underflow opening is discharged is delivered to mixing pit by cyclone, and mixing pit will be mixed
The mixed liquor that conjunction liquid is delivered in retort, retort is delivered to the sediment conveying bucket in sedimentation basin precipitation, sedimentation basin
In, the liquid in sedimentation basin is delivered to filtering ponds filtering, the liquid after filtering is delivered to magnetic drum separator, the solid after filtering
It is delivered in bucket, the solid particle held is delivered to bucket by magnetic drum separator.
Further, it is 1 to be added with the mixing pit in the utility model with iron powder quality parts ratio:5 concentration is
45% hydrochloric acid, is added with ammoniacal liquor and compressed air in retort.Waste residue of the industry containing iron powder and white residue is collected first,
Put into fluid agitation equipment, stirred waste residue together after collection using fluid agitation equipment, because iron powder is more than the density of silicon,
Part silicon will float over liquid surface, then manually salvage supernatant silicon, then salvage in remaining mixed liquor just
Containing materials such as a small amount of white residue, iron powders, then the mixed liquor containing iron powder, white residue is passed through pipeline by fluid agitation equipment
To cyclone, under the high speed rotation of cyclone, liquid-solid mixture is separated under the influence of centrifugal force, close in mixture
The big component of degree is axially simultaneously moved downward in the presence of eddy flow field, is moved radially outwards, and reaches cone segments along device
Wall is moved downward, and is discharged by underflow opening, i.e., most of iron powder and fraction white residue just flow out from underflow opening；The small component of density
Moved to central axial direction, and the inside vortex moved upwards in axis centre formation one, then discharged by overfall, i.e., big portion
White residue and fraction iron powder is divided just to be flowed out from overfall；It will collect, can be reused again from overfall and supernatant silicon
Processing, is conducive to saving natural resources.The mixed liquor that underflow opening is flowed out is by pipeline to mixing pit, because in mixing pit
There is hydrochloric acid, now hydrochloric acid can will react part iron powder, generate ferrous ion.The mixed liquor in mixing pit is delivered to instead again
The mixed liquor being connected with tank, retort in ammoniacal liquor, retort is answered to occur following reaction, 2NH3H2O+FeCl2==2NH4Cl+
Fe (OH) 2 ↓, 2NH3H2O+Fe2+==2NH4++Fe (OH) 2 ↓, 4Fe (OH) 2+O2+2H2O==4Fe (OH) 3 ↓, now instead
Answer the solution colour in tank gradually can be shifted to yellowish-brown, bronzing, the mixed liquor in retort is now delivered to sedimentation basin and sunk
Form sediment, now can be gradually layered in sedimentation basin, lower floor is iron precipitate yellowish-brown, russet, upper strata is containing white residue and not anti-
The mixed liquor for the iron powder answered, then by the iron precipitate in sedimentation basin by artificially collecting in conveying bucket, in sedimentation basin
Liquid filtered by pipeline to filtering ponds, screen pack will not precipitate complete iron precipitate and stop in filtering ponds, people
Work is collected and sediment is delivered in bucket, and white residue and unreacted iron powder are contained in the filtrate after filtering, and mixed liquor passes through
Pipeline is to magnetic drum separator.Magnetic drum separator utilizes magnetic absorption principle, by the magnetic drum continuously rotated by mixed liquor
Iron powder adsorption live, and be carried over Disengagement zone, dehydration rolled by rubber rollers in magnetic drum separator, by the scraper against magnetic drum
The iron powder of absorption is scraped off into magnetic drum, iron powder is fallen into bucket along chip leading plate.Realized by the utility model and utilize density point
The recovery of iron powder when being separated from method to white residue, the iron solved in the ferrosilicon mixture in existing industrial waste can not be recovered
Utilize, cause the problem of wasting of resources and environmental pollution.
Also include hothouse, the hothouse is connected with bucket by conveyer belt.Further, the utility model is passed through
There are iron precipitate, iron powder and a small amount of water in recovery to iron, bucket, bucket is put and is sent into drying on a moving belt
Room is dried, and dried mixture is more conducive to preserve.
Also include heater and agitator, the heater be located at retort on the outside of, agitator be located at retort inside and
It is connected with agitator.Further, the ammoniacal liquor in retort and ferrous ion or ferric ion reaction are slower, in retort
One heater of outer setting, for being heated to retort, can promote the reaction of ammoniacal liquor and ferrous ion or ferric ion,
Agitator inside retort can be such that mixed liquor is reacted evenly with ammoniacal liquor, promote reaction.
The utility model compared with prior art, has the following advantages and advantages：
A kind of iron powder recovery system based on siliceous mixture of the utility model, using density stratification principle, using fluid
Mixing plant removes the silicon containing the suspension in iron powder and white residue, during cyclone will be mixed using the principle of centrifugal force and density contrast
Most of silicon remove, then the iron content mixed liquor flowed out in cyclone is collected again, pass sequentially through containing acid mixing pit,
After retort reaction containing ammoniacal liquor, iron precipitate is collected by sedimentation basin and filtering ponds, magnetic drum separator is to mixing
Iron powder in liquid is collected, and is realized the mode that the iron in a kind of mixture to ferrosilicon is collected, is solved existing industrial waste
In ferrosilicon mixture in iron can not be recycled, cause the problem of wasting of resources and environmental pollution.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structural representation.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as limiting of the present utility model.
Embodiment
As shown in figure 1, a kind of iron powder recovery system based on siliceous mixture of the utility model, including by pipeline successively
The fluid agitation equipment of connection, cyclone, mixing pit, retort, sedimentation basin, filtering ponds, first magnetic drum separator, fluid agitation
Mixed liquor containing iron powder, white residue is pipelined to cyclone by equipment, and the particle that cyclone discharges underflow opening is conveyed
To mixing pit, the mixed liquor that mixed liquor is delivered in retort, retort is delivered to sedimentation basin and precipitated by mixing pit, in sedimentation basin
Sediment conveying bucket in, the liquid in sedimentation basin is delivered to filtering ponds filtering, the liquid after filtering is delivered to magnetic drum
Separator, the Solid Conveying and Melting after filtering is into bucket, and the solid particle held is delivered to bucket by magnetic drum separator.
Also include hothouse, the hothouse is connected with bucket by conveyer belt.Also include heater and agitator, institute
Heater is stated on the outside of retort, agitator is located inside retort and is connected with agitator.
The course of work of the present utility model：Waste residue of the industry containing iron powder and white residue is collected first, thrown together after collection
Enter in fluid mixing plant, stirred waste residue using fluid agitation equipment, because iron powder is more than the density of silicon, part silicon will be floated
In liquid surface, then manually supernatant silicon is salvaged, then salvages and just contains white residue, iron powder in remaining mixed liquor
Deng material, then the mixed liquor containing iron powder, white residue is pipelined to cyclone by fluid agitation equipment, in cyclone
Under rotating at a high speed, liquid-solid mixture is separated under the influence of centrifugal force, and the big component of mixture Midst density is in eddy flow field
Effect is lower to be moved axially downwards simultaneously, is moved radially outwards, is moved downward reaching cone segments along wall, and by underflow opening
Discharge, i.e., most of iron powder and fraction silicon just flow out from underflow opening；The small component of density is moved to central axial direction, and
The inside vortex that axis centre formation one is moved upwards, is then discharged by overfall, i.e., most of silicon and fraction iron powder are just from excessive
Head piece flows out；It is 1 that the mixed liquor that underflow opening flows out, which is extremely contained by pipeline with iron powder quality parts ratio,:5th, concentration is
The mixing pit of 45% hydrochloric acid, hydrochloric acid reacts with part iron powder, generates ferrous ion.The mixed liquor in mixing pit is delivered to instead again
Answer be connected with tank, retort concentration be 18~22% ammoniacal liquor, mixing speed of the agitator in retort be 160~180 turns/
Point, the heater on the outside of retort is 45~50 DEG C to the heating-up temperature of retort, and the mixed liquor in retort can occur
Following reaction, 2NH3H2O+FeCl2==2NH4Cl+Fe (OH) 2 ↓, 2NH3H2O+Fe2+==2NH4++Fe (OH) 2 ↓, 4Fe
(OH) 2+O2+2H2O==4Fe (OH) 3 ↓, solution colour in retort can be shifted gradually to yellowish-brown, bronzing, now will be anti-
Answering the mixed liquor in tank to be delivered in sedimentation basin precipitation, sedimentation basin can gradually be layered, and then precipitate the iron content of sedimentation basin lower floor
Thing is by artificially collecting in conveying bucket, and the mixed liquor containing white residue and unreacted iron powder on sedimentation basin upper strata passes through pipeline
It is delivered to filtering ponds to filter, screen pack will not precipitate complete iron precipitate and stop in filtering ponds, artificially collect sediment
It is delivered in bucket, white residue and unreacted iron powder is contained in the filtrate after filtering, mixed liquor passes through pipeline to magnetic drum
Separator.Magnetic drum separator utilizes magnetic absorption principle, lives the iron powder adsorption in mixed liquor by the magnetic drum continuously rotated, and
Disengagement zone is carried over, dehydration is rolled by rubber rollers in magnetic drum separator, is scraped the iron powder of absorption by the scraper against magnetic drum
From magnetic drum, iron powder is fallen into bucket along chip leading plate.Finally bucket is put again and is sent into hothouse drying on a moving belt, is passed through
The utility model realizes the recovery of iron when being separated using density fractionation to white residue, solves the ferrosilicon in existing industrial waste
Iron in mixture can not be recycled, and cause the problem of wasting of resources and environmental pollution.
Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (3)
1. a kind of iron powder recovery system based on siliceous mixture, it is characterised in that including the fluid being sequentially connected by pipeline
Mixing plant, cyclone, mixing pit, retort, sedimentation basin, filtering ponds, first magnetic drum separator, fluid agitation equipment will be mixed
Liquid is pipelined to cyclone, and the particle that underflow opening is discharged is delivered to mixing pit by cyclone, and mixing pit is defeated by mixed liquor
The mixed liquor delivered in retort, retort is delivered in the sediment conveying bucket in sedimentation basin precipitation, sedimentation basin, will be heavy
Liquid in the pond of shallow lake is delivered to filtering ponds filtering, and the liquid after filtering is delivered to magnetic drum separator, and the Solid Conveying and Melting after filtering is extremely
In bucket, the solid particle held is delivered to bucket by magnetic drum separator.
2. a kind of iron powder recovery system based on siliceous mixture according to claim 1, it is characterised in that also including dry
Dry room, the hothouse is connected with bucket by conveyer belt.
3. a kind of iron powder recovery system based on siliceous mixture according to claim 1, it is characterised in that also including adding
Hot device and agitator, the heater are located on the outside of retort, and agitator is located inside retort and is connected with agitator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352905.6U CN206343281U (en) | 2016-12-09 | 2016-12-09 | A kind of iron powder recovery system based on siliceous mixture |
| PCT/CN2017/115072 WO2018103706A1 (en) | 2016-12-09 | 2017-12-07 | Iron powder recovery system based on siliceous mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352905.6U CN206343281U (en) | 2016-12-09 | 2016-12-09 | A kind of iron powder recovery system based on siliceous mixture |
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| Publication Number | Publication Date |
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| CN206343281U true CN206343281U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621352905.6U Active CN206343281U (en) | 2016-12-09 | 2016-12-09 | A kind of iron powder recovery system based on siliceous mixture |
Country Status (2)
| Country | Link |
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| CN (1) | CN206343281U (en) |
| WO (1) | WO2018103706A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103706A1 (en) * | 2016-12-09 | 2018-06-14 | 成都斯力康科技股份有限公司 | Iron powder recovery system based on siliceous mixture |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179433B (en) * | 2018-08-31 | 2020-03-10 | 贺州市骏鑫矿产品有限责任公司 | Method for purifying and whitening potassium feldspar |
| CN114369830A (en) * | 2021-12-23 | 2022-04-19 | 上海荣和环保科技有限公司 | Novel method and device for recovering etching solution through iron powder reduction reaction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118459A (en) * | 1973-08-01 | 1978-10-03 | Dynamit Nobel Aktiengesellschaft | Chemically removing iron from grits |
| CN1302917A (en) * | 2001-02-08 | 2001-07-11 | 成都华西化工研究所 | Process for removing silicon from used acid after pickling |
| WO2015059522A1 (en) * | 2013-10-24 | 2015-04-30 | Metallkraft As | Non-chemical method and system for recovering silicon carbide particles |
| CN106629735B (en) * | 2016-12-09 | 2018-12-04 | 成都斯力康科技股份有限公司 | A kind of intelligent control ingredient separation system suitable for silicon factory |
| CN206343281U (en) * | 2016-12-09 | 2017-07-21 | 永平县泰达废渣开发利用有限公司 | A kind of iron powder recovery system based on siliceous mixture |
| CN206244412U (en) * | 2016-12-09 | 2017-06-13 | 永平县泰达废渣开发利用有限公司 | A kind of Based Intelligent Control dispensing piece-rate system suitable for silicon factory |
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2016
- 2016-12-09 CN CN201621352905.6U patent/CN206343281U/en active Active
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2017
- 2017-12-07 WO PCT/CN2017/115072 patent/WO2018103706A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103706A1 (en) * | 2016-12-09 | 2018-06-14 | 成都斯力康科技股份有限公司 | Iron powder recovery system based on siliceous mixture |
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| WO2018103706A1 (en) | 2018-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171113 Address after: 610000 No. 1, unit 1, No. 57, No. 2, community street, Chengdu Town, Tianfu District, Sichuan Patentee after: Chengdu Sili Kang Polytron Technologies Inc Address before: Su Tun Cun 672600 Yunnan Autonomous Prefecture of Dali Bonan town Patentee before: Limited company of development and utilization of waste residue in Yongping County of TEDA |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180319 Address after: Su Tun Cun 672600 Yunnan Autonomous Prefecture of Dali Bonan town Patentee after: Limited company of development and utilization of waste residue in Yongping County of TEDA Address before: 610000 No. 1, unit 1, No. 57, No. 2, community street, Chengdu Town, Tianfu District, Sichuan Patentee before: Chengdu Sili Kang Polytron Technologies Inc |
|
| TR01 | Transfer of patent right |