CN209923403U - Device for reducing nickel content in jarosite slag - Google Patents
Device for reducing nickel content in jarosite slag Download PDFInfo
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- CN209923403U CN209923403U CN201920358312.8U CN201920358312U CN209923403U CN 209923403 U CN209923403 U CN 209923403U CN 201920358312 U CN201920358312 U CN 201920358312U CN 209923403 U CN209923403 U CN 209923403U
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- acid
- acid dissolution
- pipe
- generating tank
- iii
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 32
- 239000002893 slag Substances 0.000 title claims abstract description 30
- 229910052935 jarosite Inorganic materials 0.000 title claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 81
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000005406 washing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000013049 sediment Substances 0.000 claims abstract description 11
- 238000004090 dissolution Methods 0.000 claims description 53
- 239000002002 slurry Substances 0.000 claims description 23
- 230000005484 gravity Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 15
- 229910052742 iron Inorganic materials 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 235000011149 sulphuric acid Nutrition 0.000 abstract description 5
- 239000001117 sulphuric acid Substances 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract description 3
- OOIOHEBTXPTBBE-UHFFFAOYSA-N [Na].[Fe] Chemical compound [Na].[Fe] OOIOHEBTXPTBBE-UHFFFAOYSA-N 0.000 abstract description 3
- 210000005056 cell body Anatomy 0.000 abstract description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001453 nickel ion Inorganic materials 0.000 description 2
- 238000011085 pressure filtration Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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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
- 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
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a reduce nickel device of yellow sodium iron vitriol sediment belongs to wet process smelting deironing technical field, and the device includes acid solution generating tank I, II and III, and acid solution generating tank III and pressure filter intercommunication set up steam heating pipe and agitating unit in acid solution generating tank I, II and III, establish sulphuric acid admission pipe on the acid solution generating tank I, establish control flap and flowmeter on the sulphuric acid admission pipe, establish compressed air pipeline and wash water pipeline on the pressure filter. The utility model discloses take the limit to advance the acid-soluble mode that acid limit dissolved, once the iron slag dissolves completely, heat the pipe with steam and prolong to acid-soluble generating groove I, II, below III's cell body 2/3, add agitating unit, carry out degree of depth oxidation to acid-soluble slag, establish compressed air pipeline and wash water pipeline on the pressure filter, the regulation and control valve forms filter-pressing, washing, bloies, washing, the procedure of blowing, retrieves production system with free state's nickel in the jarosite sediment, reduces the nickel content of jarosite sediment.
Description
Technical Field
The utility model belongs to the technical field of the hydrometallurgy deironing, concretely relates to reduce nickel-containing device of yellow sodium jarosite sediment.
Background
The nickel electrolytic purification iron removal adopts a secondary iron removal process, the nickel content of iron slag produced by primary iron removal is 18-20%, in order to recover the nickel in the iron slag, a jarosite secondary iron removal method is adopted, the nickel content of the produced jarosite slag is 1.5-2.5%, the nickel content of the slag highly influences the nickel electrolytic nickel recovery rate, the slag is returned to a fire method system for secondary treatment, so that part of nickel is directly lost in the fire method smelting process, the treatment process flow from the fire method system is long, the production cost is increased, impurity elements such as lead, zinc, arsenic and the like in the jarosite slag are continuously enriched in the nickel smelting process, the impurity content of the raw materials of the final nickel electrolysis process is increased, the difficulty is brought to the control of production, quality and indexes, and the production cost of purification and impurity removal is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reduce nickel device of jarosite sediment to solve the problem that the nickeliferous rising of jarosite sediment that leads to final output because of certain process technological problem.
In order to achieve the above object, the utility model discloses a technical scheme be:
the utility model provides a reduce nickeliferous device of jarosite sediment, includes by height to low acid solution generating tank I, acid solution generating tank II and acid solution generating tank III that set up according to the preface series connection, the exit end of acid solution generating tank III passes through the ground paste pipeline and communicates with the pressure filter, sets up steam heating pipe and agitating unit in acid solution generating tank I, acid solution generating tank II and the acid solution generating tank III respectively, still is equipped with the sulphuric acid on the acid solution generating tank I and adds the pipe, sets up sulphuric acid control valve and flowmeter on the sulphuric acid adding pipe, and the entry homonymy of pressure filter sets up compressed air pipeline and wash water pipeline.
The bottom end of the steam heating pipe is not higher than 2/3 of the acid dissolution generating tank I, the acid dissolution generating tank II or the acid dissolution generating tank III.
And gravity flow pipes are arranged among the acid dissolution generating tank I, the acid dissolution generating tank II and the acid dissolution generating tank III and are connected in series, and the outlet of each gravity flow pipe is higher than the inlet.
The sulfuric acid adding pipe is a phi 25 pipe.
The top end of the steam heating pipe is communicated with a steam adding pipe.
And a slurry control valve is arranged on the slurry pipeline.
The compressed air pipeline is provided with a compressed air control valve.
And a washing water control valve is arranged on the washing water pipeline.
And a slurry conveying pump is arranged on the slurry pipeline.
The utility model discloses compare in prior art's beneficial effect do:
aiming at the problems of quick acid feeding and incomplete acid dissolution in the acid dissolution process of the primary iron slag, the utility model selects the phi 25 sulfuric acid adding pipe to lead the acid flow to be from 5 to 10m3The reaction time/h is reduced to 0.8-1.0m3And/h, an acid dissolution mode of dissolving while adding acid is adopted, the acid dissolution time is prolonged to about 6-8 hours, the iron slag is completely dissolved once, and good conditions are created for oxidation generation.
The utility model discloses it is shorter to acid dissolve formation groove steam heating pipe, has tank bottom iron slag oxidation incomplete problem, prolongs steam heating pipe's length to acid dissolve formation groove I, acid dissolve formation groove II or below 2/3 of the cell body that acid dissolved formation groove III to add agitating unit, thereby carry out degree of depth oxidation to acid dissolve sediment.
The utility model discloses still with acid solution generation groove I, acid solution generation groove II or acid solution generation groove III establish ties into an acid solution generation system through the artesian pipe, make the solution between the cell body can the free stream transport.
The utility model adds the compressed air pipeline and the washing water pipeline on the filter press, and recovers the free nickel in the jarosite slag to the production system by regulating and controlling the compressed air control valve and the washing water control valve to form the procedures of filter pressing, washing, blowing, washing and blowing, thereby reducing the nickel content of the jarosite slag.
Production practice proves that the utility model discloses can effectively control the nickeliferous index of yellow sodium iron vitriol sediment below 0.5%, the rate of recovery of once iron slag nickel can reach more than 97%, yellow sodium iron vitriol sediment reaches the external standard of paying.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the structure of an acid dissolution generation tank I in FIG. 1;
the reference numerals have the following meanings: 1. acid dissolution generating tank I; 2. an acid dissolution generation tank II; 3. acid dissolution generating tank III; 4. a slurry pipeline; 5. a filter press; 6. a steam heating pipe; 7. a stirring device; 8. a sulfuric acid addition tube; 9. a sulfuric acid control valve; 10. a flow meter; 11. a compressed air duct; 12. a wash water conduit; 13. a gravity flow pipe; 14. a steam addition pipe; 15. a slurry control valve; 16. a compressed air control valve; 17. a washing water control valve; 18. a slurry delivery pump; 19. a slurry feed pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-2, a device for reducing nickel content in jarosite slag comprises an acid dissolution generation tank i 1, an acid dissolution generation tank ii 2 and an acid dissolution generation tank iii 3 which are sequentially connected in series from high to low, wherein an outlet end of the acid dissolution generation tank iii 3 is communicated with a filter press 5 through a slurry pipeline 4, a steam heating pipe 6 and a stirring device 7 are respectively arranged in the acid dissolution generation tank i 1, the acid dissolution generation tank ii 2 and the acid dissolution generation tank iii 3, a sulfuric acid adding pipe 8 is further arranged on the acid dissolution generation tank i 1, a sulfuric acid control valve 9 and a flow meter 10 are arranged on the sulfuric acid adding pipe 8, and a compressed air pipeline 11 and a washing water pipeline 12 are arranged on the same side of an inlet of the filter press 5.
The bottom end of the steam heating pipe 6 is not higher than 2/3 of the tank body of the acid dissolution generating tank I1, the acid dissolution generating tank II 2 or the acid dissolution generating tank III 3.
And gravity pipes 13 are arranged among the acid dissolution generating tank I1, the acid dissolution generating tank II 2 and the acid dissolution generating tank III 3 and are connected in series, and the outlet of the gravity pipe 13 is higher than the inlet.
The sulfuric acid addition pipe 8 is a phi 25 pipe.
The top end of the steam heating pipe 6 is provided with a steam adding pipe 14 for communication.
A slurry control valve 15 is arranged on the slurry pipeline 4.
The compressed air pipeline 11 is provided with a compressed air control valve 16.
And a washing water control valve 17 is arranged on the washing water pipeline 12.
A slurry transfer pump 18 is provided on the slurry line 4.
Before use, the steam adding pipe 14 and the steam heating pipe 6 are communicated, steam is respectively led into the acid dissolution generating tank I1, the acid dissolution generating tank II 2 and the acid dissolution generating tank III 3, the compressed air pipeline 11 is communicated with the compressed air device, the washing water pipeline 12 is communicated with the washing water device, and the stirring device 7 is started.
When in use, the primary iron slag is led into the acid solution generation tank I1 from the slurry feeding pipe 19, and the sulfuric acid is added into the acid solution generation tank I1 through the sulfuric acid adding pipe 8 at a speed of 0.8-1.0m3The flow velocity of/h is led into the acid dissolution generating tank I1, the slurry before reaction is injected into the acid dissolution generating tank I1 from the gravity flow pipe 13, steam, iron slag, the slurry before reaction and sulfuric acid are stirred uniformly by the stirring device 7, the mixture passes through the acid dissolution generating tank I1, the acid dissolution generating tank II 2 and the acid dissolution generating tank III 3 in sequence through the gravity flow pipe 13, the reaction temperature and the reaction pH value are controlled according to the process requirements, the acid dissolution mode of dissolving while adding acid is adopted, the acid dissolution time can be prolonged to about 6-8h, the iron slag is completely dissolved once, and good conditions are created for oxidation generation.
The mixture is transported to a pressure filter 5 from an outlet of the acid dissolution generation tank III 3 by a slurry conveying pump 18 for internal pressure filtration operation, after the pressure filtration is finished, a slurry control valve 15 is closed, a washing water control valve 17 is opened, the filter cake in the pressure filter 5 is washed, free nickel ions mixed in the filter cake are washed and recovered, after the washing is finished, the washing water control valve 17 is closed, a compressed air control valve 16 is opened, the filter cake in the pressure filter 5 is blown, and the nickel ions carried in the filter cake due to moisture are further reduced; and then washing and blowing are carried out for one time, the free nickel in the jarosite slag discharged from the port A is recycled to a nickel production system, so that the nickel content of the jarosite slag is effectively reduced, and the filtered liquid is discharged from the port B.
Claims (9)
1. The utility model provides a reduce nickeliferous device of jarosite sediment which characterized in that: the device comprises an acid dissolution generation tank I (1), an acid dissolution generation tank II (2) and an acid dissolution generation tank III (3) which are sequentially connected in series from high to low, wherein the outlet end of the acid dissolution generation tank III (3) is communicated with a filter press (5) through a slurry pipeline (4), the acid dissolution generation tank I (1), the acid dissolution generation tank II (2) and the acid dissolution generation tank III (3) are respectively provided with a steam heating pipe (6) and a stirring device (7), the acid dissolution generation tank I (1) is further provided with a sulfuric acid adding pipe (8), the sulfuric acid adding pipe (8) is provided with a sulfuric acid control valve (9) and a flowmeter (10), and the inlet same side of the filter press (5) is provided with a compressed air pipeline (11) and a washing water pipeline (12).
2. The apparatus for reducing nickel content in jarosite slag as recited in claim 1, wherein: the bottom end of the steam heating pipe (6) is not higher than 2/3 of the tank body of the acid dissolution generating tank I (1), the acid dissolution generating tank II (2) or the acid dissolution generating tank III (3).
3. The apparatus for reducing nickel content in jarosite slag as claimed in claim 1 or claim 2, wherein: gravity pipes (13) are arranged among the acid dissolution generating tank I (1), the acid dissolution generating tank II (2) and the acid dissolution generating tank III (3) and are connected in series, and the outlet of the gravity pipe (13) is higher than the inlet.
4. The apparatus for reducing nickel content in jarosite slag as recited in claim 3, wherein: the sulfuric acid adding pipe (8) is a phi 25 pipe.
5. The apparatus for reducing nickel content in jarosite slag as recited in claim 4, wherein: the top end of the steam heating pipe (6) is provided with a steam adding pipe (14) which is communicated with the steam heating pipe.
6. The apparatus for reducing nickel content in jarosite slag as recited in claim 5, wherein: and a slurry control valve (15) is arranged on the slurry pipeline (4).
7. The apparatus for reducing nickel content in jarosite slag as recited in claim 6, wherein: the compressed air pipeline (11) is provided with a compressed air control valve (16).
8. The apparatus for reducing nickel content in jarosite slag as recited in claim 7, wherein: and a washing water control valve (17) is arranged on the washing water pipeline (12).
9. The apparatus for reducing nickel content in jarosite slag as recited in claim 8, wherein: and a slurry conveying pump (18) is arranged on the slurry pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920358312.8U CN209923403U (en) | 2019-03-20 | 2019-03-20 | Device for reducing nickel content in jarosite slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920358312.8U CN209923403U (en) | 2019-03-20 | 2019-03-20 | Device for reducing nickel content in jarosite slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209923403U true CN209923403U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920358312.8U Active CN209923403U (en) | 2019-03-20 | 2019-03-20 | Device for reducing nickel content in jarosite slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209923403U (en) |
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2019
- 2019-03-20 CN CN201920358312.8U patent/CN209923403U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240218 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |