CN106929677A - A kind of method and device for improving zinc powder utilization rate in zinc sulfate fluid purification - Google Patents
A kind of method and device for improving zinc powder utilization rate in zinc sulfate fluid purification Download PDFInfo
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- CN106929677A CN106929677A CN201710215324.0A CN201710215324A CN106929677A CN 106929677 A CN106929677 A CN 106929677A CN 201710215324 A CN201710215324 A CN 201710215324A CN 106929677 A CN106929677 A CN 106929677A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
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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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Abstract
The present invention provides a kind of method and device for improving zinc powder utilization rate in zinc sulfate fluid purification, device includes the cylinder connected with purification retort, purification reaction top tank structure is provided with the ultrasonic wave shake plate being connected with supersonic generator, cavity is provided with cylinder, cylinder is provided with the import and export connected with cavity, the agitating shaft with turbine or impeller is provided with cylinder, it is characterized in that being provided with friction part in cylinder cavity, cylinder cavity wall is provided with dividing plate, and cylinder cavity is respectively arranged at two ends with the demarcation strip with through hole or groove.Will purify retort in reactant mixture feeding cylinder in, under agitating shaft, turbine or wheel rotation, make the coating on zinc powder surface under turbine or impeller, friction part, dividing plate, the abrasion-proof backing block effect of rotation, rubbed, collided and separated with zinc powder, fundamentally solve the problems, such as that zinc powder surface is coated by impurity, greatly improve the utilization rate of zinc powder.
Description
Technical field
The present invention relates to it is a kind of improve zinc powder utilization rate method and device, especially one kind can electrolytic zinc, zinc sulfate,
The method and apparatus of zinc powder utilization rate is improved in activated zinc oxide production process, belongs to chemical metallurgy technical field.
Background technology
, it is necessary to carry out purified treatment to zinc sulfate solution in electrolytic zinc, zinc sulfate, activated zinc oxide production process, treatment
In useful zinc powder as the low temperature purification and high temperature purification link of main decontamination agent, i.e., added as main in retort is purified
The zinc powder of cleanser, to utilize simple substance zinc（Zn）Copper ion in displacement zinc sulfate liquid（Cu2+）, cadmium ion（Cd2+）, cobalt from
Son（Co2+）And other can be by the ion of zinc displacement.But column defects in the presence of prior art：In high temperature purification and low temperature purification mistake
Cheng Zhong, the utilization rate of zinc powder is extremely low, and the zinc powder utilization rate of low temperature purification only has 30-the 50% of the theoretical calculation, zinc of high temperature purification
Powder utilization rate only has 13-the 30% of theoretical calculation, it is clear that its purification cost is high.Trace it to its cause mainly：It is anti-in displacement
During answering, with the carrying out of displacement reaction, easily there is passivation in zinc powder surface, so as to have impact on the carrying out of chemical reaction.And
The reason for zinc powder surface passivation is：Zinc powder can be replaced the contamination precipitation thing cladding that reaction is produced, and with chemical reaction not
Disconnected to carry out, the phenomenon being wrapped by is increasingly severe, and zinc powder surface area is constantly reduced, and causes that the zinc powder quantity of chemical reaction can be participated in
It is fewer and feweri, zinc powder is not completely participate in chemical reaction, have impact on the utilization rate of zinc powder.Therefore, it is necessary to right
Prior art is improved.
The content of the invention
Present in existing electrolytic zinc, zinc sulfate, activated zinc oxide production process, zinc powder surface can be replaced reaction
The contamination precipitation thing cladding of generation, passivation, cause the zinc powder quantity that can participate in chemical reaction fewer and feweri, final influence zinc powder profit
The problems such as using rate, the present invention provides a kind of energy activated zinc powder surface, improves zinc powder utilization rate, reduces cost, it is ensured that clean-up effect
Method and device.
The present invention is completed by following devices：A kind of device for improving zinc powder utilization rate in zinc sulfate fluid purification, including
The cylinder connected with purification retort, purification reaction top tank structure is provided with the ultrasonic wave shake plate being connected with supersonic generator, cylinder
Cavity is inside provided with, cylinder is provided with the import and export connected with cavity, the agitating shaft with turbine or impeller is provided with cylinder, it is special
It is that friction part is provided with cylinder cavity to levy, and cylinder cavity wall is provided with dividing plate, cylinder cavity be respectively arranged at two ends with band through hole or
The demarcation strip of groove.
The friction part is abrading-ball or frotton, is placed in cylinder cavity in free state, for the material that rubs.The friction
The setting of number of packages amount and size, depending in purification course of reaction, situation that zinc powder is coated by contamination precipitation thing and specifically determine.
Dividing plate on the cylinder cavity wall is ringlike round plate, is disposed on cylinder cavity wall, for limiting friction
The free degree of part, keeps friction part to be evenly distributed in cylinder cavity, it is ensured that the quality of friction material.
The demarcation strip with through hole or groove that the cylinder cavity two ends are set keeps spacing with the end plate at cylinder two ends, and
The through hole or groove size of demarcation strip are more than material particles, less than friction part, to facilitate material to pass in and out cylinder cavity, while making mill
Wipe the region that part is limited between two demarcation strips.
Abrasion-proof backing block is set on the cylinder cavity wall.
The agitating shaft two ends are fixed in cylinder two end plates by bearing and bearing block, wherein one end stretch out after with
Engine is connected, after agitating shaft, turbine or wheel rotation is made under engine drives, to make the coating of surface of material in rotation
The turbine or impeller that turn, friction part, it is worn away between dividing plate, abrasion-proof backing block.
Import and export on the cylinder is connected by the pump on pipeline and pipeline with purification retort respectively.
The radial dimension of the demarcation strip through hole or groove is 0.5-4mm, and its single end face through hole or groove area sum are big
In liquid circulation pump inlet tube sectional area.
Turbine or impeller outer diameter on the agitating shaft are 1/2-the 1/5 of cylinder internal diameter.
The dividing plate internal diameter is more than turbine or impeller outer diameter.
The cylinder power is 1 with retort effective volume ratio:1.5—4.5（kw:m3）.
The present invention is completed by following method：A kind of method for improving zinc powder utilization rate in zinc sulfate fluid purification, it is special
Levy is to comprise the following steps：
1）Zinc powder is added by the amount of 0.5-4g/L in retort is purified, allows zinc powder to occur with the foreign ion in zinc sulfate solution
Displacement reaction, the reaction time is 1-2.5 hours；
2）By step 1）Reactant mixture through in import feeding cylinder cavity, the flow of reactant mixture and purification reacting tank body
Accumulating ratio is：2—6:1（m3/h:m3）, the agitator shaft speed in cylinder cavity is controlled for 2500-3200 revs/min, mix reaction
Compound reacts 6-15 seconds in cylinder cavity, allow coating rotation turbine, friction part, dividing plate, abrasion-proof backing block effect under,
Rubbed, collision rift is separated with zinc powder, eliminated zinc powder passivation；
3）By step 2）Return answer mixture with step 1）Identical flow, through cartridge outlet return purification retort in, and
Under ultrasonic wave shake plate effect, routinely proceed displacement reaction, so circulation, until purification process is finished.
The step 3）Ultrasonic wave shake plate power and retort effective volume ratio be 1:2.5—7（kw:m3）.
The step 2）Friction number of packages amount be with cylinder volume ratio：2—10kg:1m3；Friction part radial dimension be
0.8—5mm。
The present invention has following advantages and effect：Using such scheme, the reactant mixture purified in retort can be sent
Enter in cylinder, under agitating shaft, turbine or wheel rotation, make turbine or impeller, friction of the coating on zinc powder surface in rotation
Under part, dividing plate, abrasion-proof backing block effect, rub, collided and after being separated with zinc powder, returned again to purify and proceed to put in retort
Change reaction, can fundamentally solve purification course of reaction in, the problem for inevitably making zinc powder surface be coated by impurity, greatly
The big utilization rate that improve zinc powder, makes the zinc powder utilization rate of low temperature purification bring up to 70-80%, high temperature by original 30-50%
The zinc powder utilization rate of purification brings up to 30-50% by original 13-30%, has suburb to reduce production cost, while ensureing purification effect
Really.The device that the present invention is provided is not only simple in structure, high working efficiency, and can continuously abolish the passivation on zinc powder surface.Actually
One apparatus and method for preferably improving zinc powder utilization rate.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the tube structure schematic diagram of Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the present invention.
As shown in Figure 1, Figure 2, the present invention provide improve zinc sulfate fluid purification in zinc powder utilization rate device, including with purification
The cylinder 4 of the connection of retort 1, the purification inwall of retort 1 is provided with the ultrasonic wave shake plate 101 being connected with supersonic generator, cylinder 4
Cavity is inside provided with, cylinder 4 is provided with the import and export connected with cavity, and import and export passes through feed pipe 2 and pump 3, discharge nozzle 5 respectively
Connected with purification retort 1, the agitating shaft 7 with ceramics turbo 6 is provided with cylinder 4, friction part 11, cylinder are provided with the cavity of cylinder 4
The cavity wall of body 4 is provided with dividing plate 8, and the cavity of cylinder 4 is respectively arranged at two ends with the wear-resisting demarcation strip 10,12 with through hole or groove；It is described
Friction part 11 is ceramic grinding ball, is placed in the cavity of cylinder 4 in free state, for the material that rubs；On the cavity wall of the cylinder 4 every
Plate 8 is wear-resisting ringlike round plate, is disposed on the cavity wall of cylinder 4, the free degree for limiting friction part 11, keeps friction part
11 are evenly distributed in the cavity of cylinder 4, it is ensured that the quality of friction material；The cavity two ends of the cylinder 4 set with the resistance to of through hole
Mill demarcation strip 10,12 keeps spacing, and the through hole or groove size of wear-resisting demarcation strip 10,12 to be more than with the end plate at the two ends of cylinder 4
Material particles, less than friction part 11, with facilitate material pass in and out the cavity of cylinder 4, while making friction part 11 be limited in two wear-resisting separations
Region between plate 10,12；Abrasion-proof backing block 9 is set on the cavity wall of the cylinder 4；The two ends of the agitating shaft 7 pass through bearing and axle
Bearing is fixed in the two end plates of cylinder 4, wherein right-hand member stretch out after with engine --- motor 13 is connected, so as in motor 13
After rotating agitating shaft 7, ceramics turbo 6 under drive, make the coating of surface of material the ceramics turbo 6 of rotation, friction part 11,
It is worn away between dividing plate 8.
Embodiment 1
A kind of zinc sulfate solution in low temperature purification, improve zinc powder utilization rate method, it is characterised in that comprise the following steps：
1）The amount that 1g/L is pressed in retort 1 is purified adds zinc powder, allows zinc powder to be replaced with the foreign ion in zinc sulfate solution
Reaction, the reaction time is 1 hour；
2）By step 1）Reactant mixture by pump 3, feed pipe 2, import send into the cavity of cylinder 4 in, the stream of reactant mixture
Measure and be with purification retort volume ratio：3:1（m3/h:m3）, the rotating speed of agitating shaft 7 in the cavity of cylinder 4 is controlled for 2900 revs/min,
Reactant mixture is reacted 6 seconds in the cavity of cylinder 4, allow coating in turbine 6, friction part 11, the dividing plate 8, wear-resisting lining of rotation
Under plate 9 is acted on, rubbed, collision rift is separated with zinc powder, eliminated zinc powder passivation；Wherein：The friction quantity of part 11 and cylinder volume ratio
For：2kg:1m3；Friction part radial dimension is 0.8mm；
3）By step 2）Return answer mixture with step 1）Identical flow, exports, that discharge nozzle 5 returns to purification is anti-through cylinder 4
In answering tank 1, and under the effect of ultrasonic wave shake plate 101, routinely proceed displacement reaction, so circulation, until purification process
Finish；Wherein, ultrasonic wave shake plate power and retort effective volume ratio are 1: 2.5（kw:m3）.
The zinc consumption amount of the present embodiment 1 is：30kg/ tons of zinc；And under the conditions of identical material, same process, with existing
When technology is purified, the zinc powder amount of its consumption is：47kg/ tons of zinc.Obviously zinc powder cost 50% or so can be saved with the present invention, and
Treatment of the invention is entirely mechanical system, therefore clean-up effect is had no effect.
Embodiment 2
A kind of zinc sulfate solution in high temperature purification, improve zinc powder utilization rate method, it is characterised in that comprise the following steps：
1）The amount that 4g/L is pressed in retort 1 is purified adds zinc powder, allows zinc powder to be replaced with the foreign ion in zinc sulfate solution
Reaction, the reaction time is 2.5 hours；
2）By step 1）Reactant mixture by pump 3, feed pipe 2, import send into the cavity of cylinder 4 in, the stream of reactant mixture
Measure and be with purification retort volume ratio：6:1（m3/h:m3）, the rotating speed of agitating shaft 7 in the cavity of cylinder 4 is controlled for 3200 revs/min,
Reactant mixture is reacted 15 seconds in the cavity of cylinder 4, allow coating in turbine 6, friction part 11, the dividing plate 8, wear-resisting lining of rotation
Under plate 9 is acted on, rubbed, collision rift is separated with zinc powder, eliminated zinc powder passivation；Wherein：The friction quantity of part 11 and cylinder volume ratio
For：10kg:1m3；Friction part radial dimension is 5mm；
3）By step 2）Return answer mixture with step 1）Identical flow, exports, that discharge nozzle 5 returns to purification is anti-through cylinder 4
In answering tank 1, and under the effect of ultrasonic wave shake plate 101, routinely proceed displacement reaction, so circulation, until purification process
Finish；Wherein, ultrasonic wave shake plate power and retort effective volume ratio are 1:7（kw:m3）.
The zinc consumption amount of the present embodiment 2 is：36kg/ tons of zinc；And under the conditions of identical material, same process, with existing
When technology is purified, the zinc powder amount of its consumption is：70kg/ tons of zinc.Obviously zinc powder cost 50% or so can be saved with the present invention, and
Treatment of the invention is entirely mechanical system, therefore clean-up effect is had no effect.
Embodiment 3
A kind of zinc sulfate solution in high temperature purification, improve zinc powder utilization rate method, it is characterised in that comprise the following steps：
1）The amount that 2g/L is pressed in retort 1 is purified adds zinc powder, allows zinc powder to be replaced with the foreign ion in zinc sulfate solution
Reaction, the reaction time is 2 hours；
2）By step 1）Reactant mixture by pump 3, feed pipe 2, import send into the cavity of cylinder 4 in, the stream of reactant mixture
Measure and be with purification retort volume ratio：4:1（m3/h:m3）, the rotating speed of agitating shaft 7 in the cavity of cylinder 4 is controlled for 3000 revs/min,
Reactant mixture is reacted 10 seconds in the cavity of cylinder 4, allow coating in turbine 6, friction part 11, the dividing plate 8, wear-resisting lining of rotation
Under plate 9 is acted on, rubbed, collision rift is separated with zinc powder, eliminated zinc powder passivation；Wherein：Friction number of packages amount be with cylinder volume ratio：
5kg:1m3；Friction part radial dimension is 3mm；
3）By step 2）Return answer mixture with step 1）Identical flow, exports, that discharge nozzle 5 returns to purification is anti-through cylinder 4
In answering tank 1, and under the effect of ultrasonic wave shake plate 101, routinely proceed displacement reaction, so circulation, until purification process
Finish；Wherein, ultrasonic wave shake plate power and retort effective volume ratio are 1:4（kw:m3）.
The zinc consumption amount of the present embodiment 3 is：23kg/ tons of zinc；And under the conditions of identical material, same process, with existing
When technology is purified, the zinc powder amount of its consumption is：41kg/ tons of zinc.Obviously zinc powder cost 50% or so can be saved with the present invention, and
Treatment of the invention is entirely mechanical system, therefore clean-up effect is had no effect.
High and low temperature zinc sulfate solution purification process and its technological parameter in the present invention etc. are routine techniques.
Claims (10)
1. a kind of device for improving zinc powder utilization rate in zinc sulfate fluid purification, including the cylinder connected with purification retort, only
Change reaction top tank structure and be provided with the ultrasonic wave shake plate being connected with supersonic generator, cavity is provided with cylinder, cylinder is provided with and sky
The import and export of chamber connection, is provided with the agitating shaft with turbine or impeller, it is characterised in that friction is provided with cylinder cavity in cylinder
Part, cylinder cavity wall is provided with dividing plate, and cylinder cavity is respectively arranged at two ends with the demarcation strip with through hole or groove.
2. the device of zinc powder utilization rate in zinc sulfate fluid purification is improved as claimed in claim 1, it is characterised in that the mill
It is abrading-ball or frotton to wipe part, is placed in cylinder cavity in free state.
3. the device of zinc powder utilization rate in zinc sulfate fluid purification is improved as claimed in claim 1, it is characterised in that the cylinder
Dividing plate on body cavity wall is ringlike round plate, is disposed on cylinder cavity wall.
4. the device of zinc powder utilization rate in zinc sulfate fluid purification is improved as claimed in claim 1, it is characterised in that the cylinder
The end plate at the demarcation strip with through hole or groove and cylinder two ends that body cavity two ends are set keeps spacing, and the through hole of demarcation strip or
Groove size is more than material particles, less than friction part.
5. the device of zinc powder utilization rate in zinc sulfate fluid purification is improved as claimed in claim 1, it is characterised in that the cylinder
Abrasion-proof backing block is set on body cavity wall.
6. the device of zinc powder utilization rate in zinc sulfate fluid purification is improved as claimed in claim 1, it is characterised in that described to stir
Mix axle two ends to be fixed in cylinder two end plates by bearing and bearing block, wherein one end is connected after stretching out with engine.
7. the device of zinc powder utilization rate in zinc sulfate fluid purification is improved as claimed in claim 1, it is characterised in that the cylinder
Import and export on body is connected by the pump on pipeline and pipeline with purification retort respectively.
8. a kind of method that use claim 1 described device improves zinc powder utilization rate in zinc sulfate fluid purification, it is characterised in that
Comprise the following steps：
1）Zinc powder is added by the amount of 0.5-4g/L in retort is purified, allows zinc powder to occur with the foreign ion in zinc sulfate solution
Displacement reaction, the reaction time is 1-2.5 hours；
2）By step 1）Reactant mixture through in import feeding cylinder cavity, the flow of reactant mixture and purification reacting tank body
Accumulating ratio is：2—6:1（m3/h:m3）, the agitator shaft speed in cylinder cavity is controlled for 2500-3200 revs/min, mix reaction
Compound reacts 6-15 seconds in cylinder cavity, allow coating rotation turbine, friction part, dividing plate, abrasion-proof backing block effect under,
Rubbed, collision rift is separated with zinc powder, eliminated zinc powder passivation；
3）By step 2）Return answer mixture with step 1）Identical flow, through cartridge outlet return purification retort in, and
Under ultrasonic wave shake plate effect, routinely proceed displacement reaction, so circulation, until purification process is finished.
9. the method for improving zinc powder utilization rate in zinc sulfate fluid purification as claimed in claim 8, it is characterised in that the step
Rapid 3）Ultrasonic wave shake plate power and retort effective volume ratio be 1:2.5—7（kw:m3）.
10. the method for improving zinc powder utilization rate in zinc sulfate fluid purification as claimed in claim 8, it is characterised in that the step
Rapid 2）Friction number of packages amount be with cylinder volume ratio：2—10kg:1m3；Friction part radial dimension is 0.8-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215324.0A CN106929677B (en) | 2017-04-03 | 2017-04-03 | A kind of method and device improving zinc powder utilization rate in zinc sulfate fluid purification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215324.0A CN106929677B (en) | 2017-04-03 | 2017-04-03 | A kind of method and device improving zinc powder utilization rate in zinc sulfate fluid purification |
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| CN106929677A true CN106929677A (en) | 2017-07-07 |
| CN106929677B CN106929677B (en) | 2019-01-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110819821A (en) * | 2018-08-07 | 2020-02-21 | 昆明理工大学 | Method for intensively purifying zinc sulfate solution |
| CN111206156A (en) * | 2020-03-09 | 2020-05-29 | 云南博业冶金化工工程有限公司 | Efficient micro-electric displacement purification method and device |
| CN111434786A (en) * | 2019-01-11 | 2020-07-21 | 彭勃 | Self-grinding type roller replacement reactor and anti-back-dissolution multi-energy cascade purification process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110819821A (en) * | 2018-08-07 | 2020-02-21 | 昆明理工大学 | Method for intensively purifying zinc sulfate solution |
| CN110819821B (en) * | 2018-08-07 | 2021-05-11 | 昆明理工大学 | Method for intensively purifying zinc sulfate solution |
| CN111434786A (en) * | 2019-01-11 | 2020-07-21 | 彭勃 | Self-grinding type roller replacement reactor and anti-back-dissolution multi-energy cascade purification process |
| CN111434786B (en) * | 2019-01-11 | 2021-10-01 | 彭勃 | Self-grinding type roller replacement reactor and anti-back-dissolution multi-energy cascade purification process |
| CN111206156A (en) * | 2020-03-09 | 2020-05-29 | 云南博业冶金化工工程有限公司 | Efficient micro-electric displacement purification method and device |
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| Publication number | Publication date |
|---|---|
| CN106929677B (en) | 2019-01-08 |
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