CN203625062U - Titanium concentrate acidolysis residue recycling system - Google Patents
Titanium concentrate acidolysis residue recycling system Download PDFInfo
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- CN203625062U CN203625062U CN201320859843.8U CN201320859843U CN203625062U CN 203625062 U CN203625062 U CN 203625062U CN 201320859843 U CN201320859843 U CN 201320859843U CN 203625062 U CN203625062 U CN 203625062U
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Abstract
The utility model discloses a titanium concentrate acidolysis residue recycling system which comprises a primary pulping tank, a pressure filter, a secondary pulping tank, a conical gravity sedimentation tank, a waste slag pulp transferring tank, a crude titanium concentrate storing tank and a magnetic separator, wherein the discharging end of the primary pulping tank is connected with a feeding inlet of the pressure filter; a discharging outlet of the pressure filter is connected with the feeding inlet of the secondary pulping tank; the discharging outlet of the secondary pulping tank is connected with the conical gravity sedimentation tank; an overflow opening in the upper part of the conical gravity sedimentation tank is connected with the waste slag pulp transferring tank; the discharging outlet in the bottom of the conical gravity sedimentation tank is connected with the crude titanium concentrate storing tank; the crude titanium concentrate storing tank is connected with the magnetic separator. The recycling system is high in recycling efficiency and simple in process; the problems that the existing recycling method is low in acidolysis rate, and the titanium dioxide powder is poor in quality and not suitable for being prepared into a titanium white pigment are solved.
Description
Technical field
The utility model belongs to Titanium White Production By Sulfuric Acid Process field, is specifically related to a kind of recycling system of ilmenite concentrate acid hydrolysis residue.
Background technology
In titanium liquid after ilmenite concentrate acidolysis leaching, contain many solid residues (hereinafter referred to as acidolysis slag), through settlement separate, it measures one ton of titanium dioxide of every production approximately 500 ~ 600 kilograms.Its composition, except being insoluble to the siliceous silt of sulfuric acid, is almost unreacted ilmenite.Even through washing and press filtration, generally still contain a certain amount of solvable titanium.This part absorption has the residue of solvable titanium if utilizes and process, and not only can reduce environmental pollution, can also improve yield, increases economic benefit.
Titanium in acidolysis slag has been recycled to following methods:
(1), direct acidolysis reclaims
Wet residue and sulfuric acid reaction are made to ilmenite repetitive assignment wherein, and the shortcoming of this method is that in residue, siliceous silt accumulates gradually, no longer applicable after titanium content reduces.Also can be by the acidolysis of pressurizeing in autoclave pressure after residue and the vitriol oil batching that wets, but acidolysis rate is low, and gained titanium white poor quality, should not be used for coating titanium white.
(2), processing rear acidolysis reclaims
1, residue is cleaned, dry, again pulverize after with newly breeze is mixed, suitably improve sulfuric acid dosage, also acidolysis separately.Shortcoming is that acidolysis rate is low, titanium dioxide is of poor quality, should not be for the production of pigment titanium white.
Utility model content
The utility model object is to provide a kind of recycling system of acid hydrolysis residue, solves existing recovery method and causes that acidolysis rate is low, titanium dioxide is of poor quality, should not be for the production of the problem of pigment titanium white.
The technical solution of the utility model is:
A kind of recycling system of ilmenite concentrate acid hydrolysis residue, it comprises hollander tub one time, pressure filter, secondary hollander tub, taper gravity settling tank, waste residue slurry transfer tank, crude product ilmenite concentrate storage tank, magnetic separator and residual titanium liquid accumulator tank, the discharge end of a described hollander tub connects the opening for feed of pressure filter, the opening for feed of the discharge port connecting secondary hollander tub of pressure filter, the discharge port of secondary hollander tub connects taper gravity settling tank, the liquid spill-way on taper gravity settling tank top connects waste residue slurry transfer tank, the discharge port of taper gravity settling trench bottom connects crude product ilmenite concentrate storage tank, crude product ilmenite concentrate storage tank connects magnetic separator.
Further, described taper gravity settling tank has three, and the liquid spill-way of first taper gravity settling tank is communicated with the liquid spill-way of second taper gravity settling tank, and the liquid spill-way of second taper gravity settling tank is communicated with the liquid spill-way of the 3rd taper gravity settling tank.
Recycling system of the present utility model, once pulls an oar ilmenite concentrate acid hydrolysis residue at a hollander tub by pulp water mass ratio 1:2, and the filtrate separating through pressure filter press filtration enters residual titanium liquid accumulator tank, leaches for acidolysis; Filter cake enters secondary hollander tub again pull an oar after (pulp water mass ratio 1:6), overflow to first taper gravity settling tank, in this groove, rely on and stir and gravity settling, granularity and proportion all larger part flow out from bottom, all the other overflow to second taper gravity settling tank, after the taper gravity settling tank of three series connection, the part (being mainly siliceous silt and Fine ilmenite) that proportion and granularity are all less overflows to waste residue slurry transfer tank, decontaminated water neutralizing treatment so successively; Enter crude product ilmenite concentrate storage tank from these three taper gravity settling trench bottoms crude product ilmenite concentrate out, can be by regulating stirring intensity control titanium content more than 32%, titanium recovery rate is 85%; Crude product ilmenite concentrate further purifies to titanium content 44% ~ 46% to magnetic separator, total titanium recovery rate 82%, and oven dry is prepared rutile pigment titanium white for acidolysis separately after pulverizing.
The utility model compared with prior art tool has the following advantages:
The recycling system organic efficiency of ilmenite concentrate acid hydrolysis residue of the present utility model is high, and technique is simple.Solve existing recovery method and caused that acidolysis rate is low, titanium dioxide is of poor quality, should not be for the production of the problem of pigment titanium white.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
In figure, Reference numeral is: hollander tub of 1-, 2-pressure filter, bis-hollander tubs of 3-, 4-taper gravity settling tank, 5-waste residue slurry transfer tank, 6-crude product ilmenite concentrate storage tank, 7-magnetic separator.
Embodiment
Embodiment
As shown in Figure 1, a kind of recycling system of ilmenite concentrate acid hydrolysis residue, it comprises hollander tub 1 one time, pressure filter 2, secondary hollander tub 3, taper gravity settling tank 4, waste residue slurry transfer tank 5, crude product ilmenite concentrate storage tank 6, magnetic separator 7 and residual titanium liquid accumulator tank, the discharge end of a described hollander tub 1 connects the opening for feed of pressure filter 2, the opening for feed of the discharge port connecting secondary hollander tub 3 of pressure filter 2, the discharge port of secondary hollander tub 3 connects taper gravity settling tank 4, the liquid spill-way on taper gravity settling tank 4 tops connects waste residue slurry transfer tank 5, the discharge port of taper gravity settling tank 4 bottoms connects crude product ilmenite concentrate storage tank 6, crude product ilmenite concentrate storage tank 6 connects magnetic separator 7.
In order to improve recovering effect, described taper gravity settling tank 4 has three, the liquid spill-way of first taper gravity settling tank 4 is communicated with the liquid spill-way of second taper gravity settling tank 4, and the liquid spill-way of second taper gravity settling tank 4 is communicated with the liquid spill-way of the 3rd taper gravity settling tank 4.
Recycling system of the present utility model, once pulls an oar ilmenite concentrate acid hydrolysis residue at a hollander tub 1 by pulp water mass ratio 1:2, and the filtrate separating through pressure filter 2 press filtrations enters residual titanium liquid accumulator tank, leaches for acidolysis; Filter cake enter secondary hollander tub 3 again pull an oar after (pulp water mass ratio 1:6), overflow to first taper gravity settling tank 4, in this groove, rely on and stir and gravity settling, granularity and proportion all larger part flow out from bottom, all the other overflow to second taper gravity settling tank 4, after the taper gravity settling tank 4 of three series connection, the part (being mainly siliceous silt and Fine ilmenite) that proportion and granularity are all less overflows to waste residue slurry transfer tank 5, decontaminated water neutralizing treatment so successively; Enter crude product ilmenite concentrate storage tank 6 from this three taper gravity settling tank 4 bottoms crude product ilmenite concentrate out, can be by regulating stirring intensity control titanium content more than 32%, titanium recovery rate is 85%; Crude product ilmenite concentrate further purifies to titanium content 44% ~ 46% to magnetic separator 7, total titanium recovery rate 82%, and oven dry is prepared rutile pigment titanium white for acidolysis separately after pulverizing.
Claims (2)
1. the recycling system of an ilmenite concentrate acid hydrolysis residue, it is characterized in that: it comprises hollander tub one time, pressure filter, secondary hollander tub, taper gravity settling tank, waste residue slurry transfer tank, crude product ilmenite concentrate storage tank, magnetic separator and residual titanium liquid accumulator tank, the discharge end of a described hollander tub connects the opening for feed of pressure filter, the opening for feed of the discharge port connecting secondary hollander tub of pressure filter, the discharge port of secondary hollander tub connects taper gravity settling tank, the liquid spill-way on taper gravity settling tank top connects waste residue slurry transfer tank, the discharge port of taper gravity settling trench bottom connects crude product ilmenite concentrate storage tank, crude product ilmenite concentrate storage tank connects magnetic separator.
2. the recycling system of a kind of ilmenite concentrate acid hydrolysis residue according to claim 1, it is characterized in that: described taper gravity settling tank has three, the liquid spill-way of first taper gravity settling tank is communicated with the liquid spill-way of second taper gravity settling tank, and the liquid spill-way of second taper gravity settling tank is communicated with the liquid spill-way of the 3rd taper gravity settling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859843.8U CN203625062U (en) | 2013-12-25 | 2013-12-25 | Titanium concentrate acidolysis residue recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320859843.8U CN203625062U (en) | 2013-12-25 | 2013-12-25 | Titanium concentrate acidolysis residue recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203625062U true CN203625062U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320859843.8U Expired - Fee Related CN203625062U (en) | 2013-12-25 | 2013-12-25 | Titanium concentrate acidolysis residue recycling system |
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| CN (1) | CN203625062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693512A (en) * | 2017-01-23 | 2017-05-24 | 沈阳鑫博工业技术股份有限公司 | Magnesite concentrate pulp filtering system and filtering method |
| CN107324380A (en) * | 2017-07-11 | 2017-11-07 | 攀钢集团研究院有限公司 | The method that titaniferous material is reclaimed from titanium dioxide acid hydrolysis residue |
| CN112441613A (en) * | 2019-08-29 | 2021-03-05 | 攀枝花大互通钛业有限公司 | Method for recycling titanium liquid in titanium dioxide acidolysis sludge |
-
2013
- 2013-12-25 CN CN201320859843.8U patent/CN203625062U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693512A (en) * | 2017-01-23 | 2017-05-24 | 沈阳鑫博工业技术股份有限公司 | Magnesite concentrate pulp filtering system and filtering method |
| CN107324380A (en) * | 2017-07-11 | 2017-11-07 | 攀钢集团研究院有限公司 | The method that titaniferous material is reclaimed from titanium dioxide acid hydrolysis residue |
| CN112441613A (en) * | 2019-08-29 | 2021-03-05 | 攀枝花大互通钛业有限公司 | Method for recycling titanium liquid in titanium dioxide acidolysis sludge |
| CN112441613B (en) * | 2019-08-29 | 2023-05-12 | 攀枝花大互通钛业有限公司 | Recycling method of titanium liquid in titanium dioxide acidolysis sludge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |