CN204607582U - Titanium pigment waste acid sedimentation device - Google Patents

Titanium pigment waste acid sedimentation device Download PDF

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Publication number
CN204607582U
CN204607582U CN201520222018.6U CN201520222018U CN204607582U CN 204607582 U CN204607582 U CN 204607582U CN 201520222018 U CN201520222018 U CN 201520222018U CN 204607582 U CN204607582 U CN 204607582U
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CN
China
Prior art keywords
settling tank
filter press
strainer
diaphragm filter
tank
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 - Fee Related
Application number
CN201520222018.6U
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Chinese (zh)
Inventor
郭克启
李燕
郭海强
周文龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUXING CHEMICAL CO Ltd JINAN
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YUXING CHEMICAL CO Ltd JINAN
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Publication date
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Priority to CN201520222018.6U priority Critical patent/CN204607582U/en
Application granted granted Critical
Publication of CN204607582U publication Critical patent/CN204607582U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of titanium pigment waste acid sedimentation device, comprise strainer, settling tank and diaphragm filter press, the supernatant liquor of strainer is connected with settling tank by clear liquid groove, the supernatant liquor of settling tank is connected with diaphragm filter press by ripening tank, the clear liquid that diaphragm filter press is press-filtered out enters storage tank, bottom strainer, settling tank and diaphragm filter press, enriched material or filter cake enter metatitanic acid basin, settling tank is provided with water-in, water outlet and sludge bucket, water inlet is provided with inlet damper, water outlet is provided with overflow weir, is provided with 11 pieces of traverse baffles in settling tank.The utility model is purified titanium pigment waste acid by continuous sedimentation, obtain titanium white by product sulfuric acid, can as the raw material producing water purification agent, bodied ferric sulfate, filter cake enters metatitanic acid basin and recycles, at utmost realize the recycling of spent acid, reduce environmental pollution.

Description

Titanium pigment waste acid sedimentation device
Technical field
The utility model belongs to titanium white production technical field, is specifically related to a kind of titanium pigment waste acid sedimentation device.
Background technology
Titanium White Production By Sulfuric Acid Process is for raw material with titanium slag and ilmenite, use sulfuric acid as carrier in production process, ilmenite is decomposed, sulfuric acid used is separated with titanium dioxide in washing post, the spent acid that washing step produces, for the ferrous sulfate mixed solution of the sulfuric acid containing 20%-23%, belong to Hazardous wastes, for realizing the object of spent acid comprehensive utilization and energy-conserving and environment-protective, method the most frequently used at present carries out concentrated reuse to spent acid, a spent acid part after concentrated can be back to hydrolysis procedure, and another part can transport outward comprehensive utilization.But this kind of method energy consumption is large, and processing cost is high, can not realize the maximum resource utilization of spent acid, and large amount of sewage discharge can be produced, likely cause environmental pollution.Solid phase impurity in sedimentation spent acid, effectively can purify spent acid, is the effective way preparing by-product sulfuric acid, the solid particulate that a lot of stability is higher is had in spent acid, adopt common settling bowl they can not be settled down, effect of settling is poor, can not meet the requirement of spent acid purification.
Utility model content
It is strong that the purpose of this utility model is to provide a kind of sedimentation capacity, the titanium pigment waste acid sedimentation device that effect of settling is good, realizes waste acid resourceization to greatest extent and utilize.
The utility model is achieved by the following technical solution:
A kind of titanium pigment waste acid sedimentation device, its special character is: comprise strainer, settling tank and diaphragm filter press, the supernatant liquor of strainer is connected with settling tank by clear liquid groove, the supernatant liquor of settling tank is connected with diaphragm filter press by ripening tank, and the clear liquid that diaphragm filter press is press-filtered out enters storage tank; Bottom described strainer, settling tank and diaphragm filter press, enriched material or filter cake enter metatitanic acid basin, are provided with whipping appts in this metatitanic acid basin; Settling tank is provided with water-in, water outlet and sludge bucket, and water inlet is provided with inlet damper, and water outlet is provided with overflow weir, is provided with 11 pieces of traverse baffles in settling tank.
Titanium pigment waste acid sedimentation device of the present utility model, the high suspension medium layer of 0.4-0.6m is equipped with in described strainer (1) inside, and this suspension medium layer adopts macromolecular material to make, density 0.08-0.12g/cm 3.
The beneficial effects of the utility model are: the utility model is by carrying out many devices continuous sedimentation to titanium pigment waste acid, solid particulate in effective purification spent acid, sulfuric acid after purification can as the raw material producing water purification agent, bodied ferric sulfate, filter cake enters metatitanic acid basin and recycles, at utmost realize the recycling of spent acid, reduce environmental pollution.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is structural representations of the utility model settling tank.
In figure, 1 strainer, 2 clear liquid grooves, 3 settling tanks, 4 ripening tanks, 5 diaphragm filter press, 6 storage tanks, 7 metatitanic acid basins, 8 water-ins, 9 water outlets, 10 sludge buckets, 11 inlet dampers, 12 overflow weirs, 13 traverse baffles.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The titanium pigment waste acid sedimentation device of the present embodiment, comprise strainer 1, settling tank 3 and diaphragm filter press 5, the supernatant liquor of strainer 1 is connected with settling tank 3 by clear liquid groove 2, the supernatant liquor of settling tank 3 is connected with diaphragm filter press 5 by ripening tank 4, and the clear liquid that diaphragm filter press 5 is press-filtered out enters storage tank 6; Bottom strainer 1, settling tank 3 and diaphragm filter press 5, enriched material or filter cake enter metatitanic acid basin 7, are provided with whipping appts in this metatitanic acid basin 7; Settling tank 3 is provided with water-in 8, water outlet 9 and sludge bucket 10, and water-in 8 place is provided with inlet damper 11, and water outlet is provided with overflow weir 12, is provided with 11 pieces of traverse baffles 13 in settling tank 3.
The spent acid that titanium white production line washing step produces, be temporary in filtrate receiver, pump into strainer 1, under the effect of additional flocculating agents, not solvent precipitation can be removed, be purified, strainer 1 adopts whole glass steel to make, acidproof, alkaline-resisting, anti-oxidant, general heatproof 65 DEG C, strainer 1 is built with the high suspension medium layer of 0.4-0.6m, and this suspension medium layer adopts macromolecular material to make, and its density is 0.08-0.12g/cm 3, suspension medium can adsorb and retains suspended substance in spent acid, and form cake layer at dielectric surface, along with cake layer is thickening, gravity is greater than buoyancy, then drop and enter concentrated liquid zone, bottom, concentrated solution pumps into metatitanic acid basin 7 and recycles.The resistance to organism of spherical medium and oxidant contamination, operational process need not be changed, and annual interpolation is a little.Overflowing liquid after purification enters clear liquid groove 2 buffer memory, then through the settlement action of ten one-level level current subsiders 3, unnecessary ferrous ion crystallization, overflowing liquid enters ripening tank 4(as temporary use), bottom settling tank 3, sediment feeding metatitanic acid basin 7 is recycled, and the liquid after diaphragm filter press 5 press filtration of the liquid in ripening tank 4 enters storage tank 6, finally pumps into finished pot, obtain product titanium white by product sulfuric acid, filter cake is sent into metatitanic acid basin 7 and is recycled.

Claims (2)

1. a titanium pigment waste acid sedimentation device, it is characterized in that: comprise strainer (1), settling tank (3) and diaphragm filter press (5), the supernatant liquor of strainer (1) is connected with settling tank (3) by clear liquid groove (2), the supernatant liquor of settling tank (3) is connected with diaphragm filter press (5) by ripening tank (4), and the clear liquid that diaphragm filter press (5) is press-filtered out enters storage tank (6); Described strainer (1), settling tank (3) and diaphragm filter press (5) bottom enriched material or filter cake enter metatitanic acid basin (7), are provided with whipping appts in this metatitanic acid basin (7); Settling tank (3) is provided with water-in (8), water outlet (9) and sludge bucket (10), and water-in (8) place is provided with inlet damper (11), and water outlet is provided with overflow weir (12), is provided with 11 pieces of traverse baffles (13) in settling tank (3).
2. a kind of titanium pigment waste acid sedimentation device according to claim 1, is characterized in that: the high suspension medium layer of 0.4-0.6m is equipped with in described strainer (1) inside, and this suspension medium layer adopts macromolecular material to make, density 0.08-0.12g/cm 3.
CN201520222018.6U 2015-04-14 2015-04-14 Titanium pigment waste acid sedimentation device Expired - Fee Related CN204607582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520222018.6U CN204607582U (en) 2015-04-14 2015-04-14 Titanium pigment waste acid sedimentation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520222018.6U CN204607582U (en) 2015-04-14 2015-04-14 Titanium pigment waste acid sedimentation device

Publications (1)

Publication Number Publication Date
CN204607582U true CN204607582U (en) 2015-09-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520222018.6U Expired - Fee Related CN204607582U (en) 2015-04-14 2015-04-14 Titanium pigment waste acid sedimentation device

Country Status (1)

Country Link
CN (1) CN204607582U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106075963A (en) * 2016-07-18 2016-11-09 攀钢集团攀枝花钢铁研究院有限公司 A kind of method purifying titanium liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106075963A (en) * 2016-07-18 2016-11-09 攀钢集团攀枝花钢铁研究院有限公司 A kind of method purifying titanium liquid

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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: 20150902

Termination date: 20190414

CF01 Termination of patent right due to non-payment of annual fee