CN104624382A - Multi-point adding method of monohydrallite direct flotation collecting agent - Google Patents
Multi-point adding method of monohydrallite direct flotation collecting agent Download PDFInfo
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Abstract
The invention relates to a multi-point adding method of monohydrallite direct flotation collecting agents. The problems that the yield and the index and of concentrates, and the tailing index do not reach the standard, the production quality is unstable, and the production efficiency is low are effectively solved. The composite collecting agents are added into a direct flotation technological process of monohydrallite waste residue through a composite collecting agent adding point in selection, a composite collecting agent adding point in bottom roughing, a composite collecting agent adding point in bottom refining, a composite collecting agent adding point in tailing roughing and a composite collecting agent adding point in bottom scavenging, that is, the composite collecting agents are added into an original pulp tank and circulating pump inlets of bottom flow roughing, bottom flow refining, tail flow roughing and bottom flow scavenging, and the weight ratio of the composite collecting agents in five adding points is 5:2:1:1:1. According to the method, the aims that the concrete yield, the alumina content of the concretes, and the alumina content/silicon dioxide content ratio are improved, and the alumina content of the tailings, and the alumina content/silicon dioxide content ratio are reduced are achieved. The production quality is stable, and the production efficiency is high.
Description
Technical field
The present invention relates to a kind of multiple spot Adding Way of bauxite forward flotation collecting agent.
Background technology
At present, what bauxite waste residue direct floatation process adopted is selected, roughly select, the production technology of scanning, in direct flotation process, collecting agent is one of most important medicament, as by soda ash, hydroximic acid, oleic acid, AEO carboxylic acid sodium, the composite collector that calgon is made, for this composite collector, usual employing have 3 addition point, collecting agent addition point when being selected respectively, collecting agent addition point when collecting agent addition point and essence end during thick tail, the weight ratio that the collecting agent of these three addition point adds is respectively 4:3:3, but traditional this addition point Adding Way, in the production process of reality, often cause concentrate yield, index, mine tailing index all can not be up to standard phenomenon occur, make the quality of production unstable, production efficiency is low.
Summary of the invention
For above-mentioned situation, for overcoming prior art defect, the object of the present invention is just to provide a kind of multiple spot Adding Way of bauxite forward flotation collecting agent, can effectively solve concentrate yield, index and mine tailing index not up to standard, the quality of production is unstable, the problem that production efficiency is low.
The technical scheme that the present invention solves is, composite collector is joined in the technological process of bauxite waste residue direct flotation respectively by 5 addition point, composite collector addition point when 5 addition point are selected respectively, composite collector addition point during the thick end, composite collector addition point during the essence end, composite collector addition point during thick tail and composite collector addition point when sweeping the end, composite collector addition point time selected, composite collector addition point during the thick end, composite collector addition point during the essence end, the weight ratio of the composite collector added in composite collector addition point during thick tail and composite collector addition point when sweeping the end is 5:2:1:1:1,
The technological process of described bauxite waste residue direct flotation is prior art, concrete steps are as follows: raw ore slurry joins in raw ore stock tank, raw ore stock tank ore pulp out enters initial separatory cell, the wake flow of roughly selecting that initial separatory cell flows out is transported in scavenger flotation cell by the circulating pump roughly selecting wake flow, the underflow of roughly selecting that initial separatory cell flows out is transported in initial separatory cell by the circulating pump roughly selecting underflow, the overflow of roughly selecting of initial separatory cell enters cleaner cell, scavenger flotation cell flows out respectively scans overflow, scan wake flow, scan underflow, scanning overflow turns back in initial separatory cell, scanning wake flow then enters after mine tailing subsider carries out sedimentation, obtain mine tailing, scanning underflow is then transported in scavenger flotation cell by the circulating pump scanning underflow, cleaner cell flows out selected underflow respectively, winnowed overfall and selected wake flow, selected underflow is transported in cleaner cell by the circulating pump of selected underflow, after winnowed overfall enters into and carries out sedimentation in concentrate subsider, obtain concentrate, selected wake flow enters in scavenger flotation cell,
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 700-900g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is by soda ash 95-105Kg, hydroximic acid 114-126Kg, oleic acid 855-945Kg, AEO carboxylic acid sodium 57-63Kg, calgon 17-19Kg and distilled water 19-21m
3make, first add the 55-60 DEG C of distilled water of distilled water total amount 60-70%, turn on agitator, speed of agitator 120 revs/min, adds soda ash, stirs 8-12 minute, adds hydroximic acid, stirs 15-25 minute; Evenly add the oleic acid of oleic acid total amount 60%, added at 50-60 minute, stir 25-35 minute, add the AEO carboxylic acid sodium of AEO carboxylic acid sodium total amount 1/2, stir 8-12 minute, evenly add the oleic acid of surplus, added at 30-40 minute, stir 15-25 minute, add the AEO carboxylic acid sodium of surplus, stir 8-12 minute, add calgon, stir 8-12 minute, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, adds 55-60 DEG C of distilled water of surplus; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes; Described hydroximic acid is any one in benzyl hydroximic acid, Using Salicyl Hydroximic Acid and alkyl hydroximic acid.
The present invention is by adjusting addition point and the additional proportion of collecting agent, reach and improve concentrate yield, concentrate alumina content, alumina content/dioxide-containing silica ratio, reduce the object of mine tailing alumina content, alumina content/dioxide-containing silica ratio, the quality of production is stablized, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Embodiment 1
Composite collector addition point during composite collector addition point, thick tail when composite collector addition point when composite collector addition point when to be joined by composite collector in the technological process of bauxite waste residue direct flotation respectively with the addition of weight ratio 5:2:1:1:1 selected, the thick end, the essence end, composite collector addition point when sweeping the end are in totally 5 addition point;
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 700g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is by soda ash 95Kg, benzyl hydroximic acid 114Kg, oleic acid 855Kg, AEO carboxylic acid sodium 57Kg, calgon 17Kg and distilled water are made, method is, diameter 3000mm is referred at φ 3000 × 3000mm(, height 3000mm's is cylindrical, as follows) in configured slot, add the distilled water of 55 DEG C to water surface elevation 1900mm, turn on agitator, speed of agitator is 120 revs/min, add soda ash, stir 8 minutes, add benzyl hydroximic acid, stir 15 minutes, evenly add oleic acid 513Kg, within 50 minutes, add, stir 25 minutes, add 28.5Kg AEO carboxylic acid sodium, stir 8 minutes, evenly add oleic acid 342Kg, within 30 minutes, add, stir 15 minutes, add 28.5Kg AEO carboxylic acid sodium, stir 8 minutes, add calgon, stir 8 minutes, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes, carry out moisturizing, method is, in above-mentioned φ 3000 × 3000mm configured slot, adds the distilled water of 55 DEG C to water surface elevation 2970mm, then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes.
Embodiment 2
Composite collector addition point during composite collector addition point, thick tail when composite collector addition point when composite collector addition point when to be joined by composite collector in the technological process of bauxite waste residue direct flotation respectively with the addition of weight ratio 5:2:1:1:1 selected, the thick end, the essence end, composite collector addition point when sweeping the end are in totally 5 addition point;
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 800g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is made up of soda ash 100Kg, Using Salicyl Hydroximic Acid 120Kg, oleic acid 900Kg, AEO carboxylic acid sodium 60Kg, calgon 18Kg and distilled water, and method is, in φ 3000 × 3000mm configured slot, add the distilled water of 57 DEG C to water surface elevation 1800mm, turn on agitator, speed of agitator is 120 revs/min, adds soda ash, stir 10 minutes, add Using Salicyl Hydroximic Acid, stir 20 minutes, evenly add oleic acid 540Kg, within 55 minutes, add, stir 30 minutes; Add 30Kg AEO carboxylic acid sodium, stir 10 minutes; Evenly add oleic acid 360Kg, within 35 minutes, add, stir 20 minutes; Add 30Kg AEO carboxylic acid sodium, stir 10 minutes; Add calgon, stir 10 minutes, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, in above-mentioned φ 3000 × 3000mm configured slot, adds the distilled water of 57 DEG C to water surface elevation 2800mm; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes.
Embodiment 3
Composite collector addition point during composite collector addition point, thick tail when composite collector addition point when composite collector addition point when to be joined by composite collector in the technological process of bauxite waste residue direct flotation respectively with the addition of weight ratio 5:2:1:1:1 selected, the thick end, the essence end, composite collector addition point when sweeping the end are in totally 5 addition point;
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 900g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is made up of soda ash 105Kg, alkyl hydroximic acid 126Kg, oleic acid 945Kg, AEO carboxylic acid sodium 63Kg, calgon 19Kg and distilled water, method is, in φ 3000 × 3000mm configured slot, add the distilled water of 60 DEG C to water surface elevation 1700mm, turn on agitator, speed of agitator 120 revs/min, add soda ash, stir 12 minutes, add alkyl hydroximic acid, stir 25 minutes; Evenly add oleic acid 567Kg, added at 60 minutes, stir 35 minutes, add AEO carboxylic acid sodium 31.5Kg, stir 12 minutes, evenly add oleic acid 378Kg, added at 40 minutes, stir 25 minutes, add 31.5Kg AEO carboxylic acid sodium, stir 12 minutes, add calgon, stir 12 minutes, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, in above-mentioned φ 3000 × 3000mm configured slot, adds the distilled water of 60 DEG C to water surface elevation 2700mm; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes.
The present invention is by adjusting addition point and the additional proportion of collecting agent, reach and improve concentrate yield, concentrate alumina content, alumina content/dioxide-containing silica ratio, reduce the object of mine tailing alumina content, alumina content/dioxide-containing silica ratio, because collecting agent is preposition, the composite collector addition of composite collector addition point when composite collector addition point when being namely selected in and the thick end reaches 70%, effectively increases the ability that collecting agent catches bauxite concentrate; Production technology and steady quality, material transfer is smooth and easy, the multiple spot Adding Way of bauxite forward flotation collecting agent of the present invention is through repeatedly repeatedly trying out in practice, all achieve significant effect, after using the inventive method, concentrate alumina content rising 1-2%, alumina content/dioxide-containing silica ratio rising 0.2-0.4; Mine tailing alumina content decline 1.0-2.5%, alumina content/dioxide-containing silica ratio decline 0.1-0.2, concentrate yield promotes more than 15%, and product percent of pass promoted more than 50% before not using the present invention, had huge economic and social benefit.
Claims (4)
1. the multiple spot Adding Way of a bauxite forward flotation collecting agent, it is characterized in that, composite collector is joined in the technological process of bauxite waste residue direct flotation respectively by 5 addition point, composite collector addition point when 5 addition point are selected respectively, composite collector addition point during the thick end, composite collector addition point during the essence end, composite collector addition point during thick tail and composite collector addition point when sweeping the end, composite collector addition point time selected, composite collector addition point during the thick end, composite collector addition point during the essence end, the weight ratio of the composite collector added in composite collector addition point during thick tail and composite collector addition point when sweeping the end is 5:2:1:1:1,
The technological process of described bauxite waste residue direct flotation, concrete steps are as follows: raw ore slurry joins in raw ore stock tank, raw ore stock tank ore pulp out enters initial separatory cell, the wake flow of roughly selecting that initial separatory cell flows out is transported in scavenger flotation cell by the circulating pump roughly selecting wake flow, the underflow of roughly selecting that initial separatory cell flows out is transported in initial separatory cell by the circulating pump roughly selecting underflow, the overflow of roughly selecting of initial separatory cell enters cleaner cell, scavenger flotation cell flows out respectively scans overflow, scan wake flow, scan underflow, scanning overflow turns back in initial separatory cell, scanning wake flow then enters after mine tailing subsider carries out sedimentation, obtain mine tailing, scanning underflow is then transported in scavenger flotation cell by the circulating pump scanning underflow, cleaner cell flows out selected underflow respectively, winnowed overfall and selected wake flow, selected underflow is transported in cleaner cell by the circulating pump of selected underflow, after winnowed overfall enters into and carries out sedimentation in concentrate subsider, obtain concentrate, selected wake flow enters in scavenger flotation cell,
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 700-900g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is by soda ash 95-105Kg, hydroximic acid 114-126Kg, oleic acid 855-945Kg, AEO carboxylic acid sodium 57-63Kg, calgon 17-19Kg and distilled water 19-21m
3make, first add the 55-60 DEG C of distilled water of distilled water total amount 60-70%, turn on agitator, speed of agitator 120 revs/min, adds soda ash, stirs 8-12 minute, adds hydroximic acid, stirs 15-25 minute; Evenly add the oleic acid of oleic acid total amount 60%, added at 50-60 minute, stir 25-35 minute, add the AEO carboxylic acid sodium of AEO carboxylic acid sodium total amount 1/2, stir 8-12 minute, evenly add the oleic acid of surplus, added at 30-40 minute, stir 15-25 minute, add the AEO carboxylic acid sodium of surplus, stir 8-12 minute, add calgon, stir 8-12 minute, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, adds 55-60 DEG C of distilled water of surplus; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes; Described hydroximic acid is any one in benzyl hydroximic acid, Using Salicyl Hydroximic Acid and alkyl hydroximic acid.
2. the multiple spot Adding Way of bauxite forward flotation collecting agent according to claim 1, it is characterized in that, composite collector addition point during composite collector addition point, thick tail when composite collector addition point when composite collector addition point when to be joined by composite collector in the technological process of bauxite waste residue direct flotation respectively with the addition of weight ratio 5:2:1:1:1 selected, the thick end, the essence end, composite collector addition point when sweeping the end are in totally 5 addition point;
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 700g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is made up of soda ash 95Kg, benzyl hydroximic acid 114Kg, oleic acid 855Kg, AEO carboxylic acid sodium 57Kg, calgon 17Kg and distilled water, and method is, in φ 3000 × 3000mm configured slot, add the distilled water of 55 DEG C to water surface elevation 1900mm, turn on agitator, speed of agitator is 120 revs/min, adds soda ash, stir 8 minutes, add benzyl hydroximic acid, stir 15 minutes, evenly add oleic acid 513Kg, within 50 minutes, add, stir 25 minutes; Add 28.5Kg AEO carboxylic acid sodium, stir 8 minutes; Evenly add oleic acid 342Kg, within 30 minutes, add, stir 15 minutes; Add 28.5Kg AEO carboxylic acid sodium, stir 8 minutes; Add calgon, stir 8 minutes, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, in above-mentioned φ 3000 × 3000mm configured slot, adds the distilled water of 55 DEG C to water surface elevation 2970mm; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes.
3. the multiple spot Adding Way of bauxite forward flotation collecting agent according to claim 1, it is characterized in that, composite collector addition point during composite collector addition point, thick tail when composite collector addition point when composite collector addition point when to be joined by composite collector in the technological process of bauxite waste residue direct flotation respectively with the addition of weight ratio 5:2:1:1:1 selected, the thick end, the essence end, composite collector addition point when sweeping the end are in totally 5 addition point;
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 800g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is made up of soda ash 100Kg, Using Salicyl Hydroximic Acid 120Kg, oleic acid 900Kg, AEO carboxylic acid sodium 60Kg, calgon 18Kg and distilled water, and method is, in φ 3000 × 3000mm configured slot, add the distilled water of 57 DEG C to water surface elevation 1800mm, turn on agitator, speed of agitator is 120 revs/min, adds soda ash, stir 10 minutes, add Using Salicyl Hydroximic Acid, stir 20 minutes, evenly add oleic acid 540Kg, within 55 minutes, add, stir 30 minutes; Add 30Kg AEO carboxylic acid sodium, stir 10 minutes; Evenly add oleic acid 360Kg, within 35 minutes, add, stir 20 minutes; Add 30Kg AEO carboxylic acid sodium, stir 10 minutes; Add calgon, stir 10 minutes, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, in above-mentioned φ 3000 × 3000mm configured slot, adds the distilled water of 57 DEG C to water surface elevation 2800mm; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes.
4. the multiple spot Adding Way of bauxite forward flotation collecting agent according to claim 1, it is characterized in that, composite collector addition point during composite collector addition point, thick tail when composite collector addition point when composite collector addition point when to be joined by composite collector in the technological process of bauxite waste residue direct flotation respectively with the addition of weight ratio 5:2:1:1:1 selected, the thick end, the essence end, composite collector addition point when sweeping the end are in totally 5 addition point;
Described selected time composite collector addition point for directly and raw ore slurry join in raw ore stock tank simultaneously, it is 900g that raw ore slurry per ton needs to add composite collector simultaneously;
Composite collector addition point during the described thick end is the pump inlet place of roughly selecting underflow;
Composite collector addition point during the described smart end is the pump inlet place of selected underflow;
Composite collector addition point during described thick tail is the pump inlet place of roughly selecting wake flow;
Described composite collector addition point when sweeping the end is the pump inlet place of scanning underflow;
Described composite collector is made up of soda ash 105Kg, alkyl hydroximic acid 126Kg, oleic acid 945Kg, AEO carboxylic acid sodium 63Kg, calgon 19Kg and distilled water, method is, in φ 3000 × 3000mm configured slot, add the distilled water of 60 DEG C to water surface elevation 1700mm, turn on agitator, speed of agitator 120 revs/min, add soda ash, stir 12 minutes, add alkyl hydroximic acid, stir 25 minutes; Evenly add oleic acid 567Kg, added at 60 minutes, stir 35 minutes, add AEO carboxylic acid sodium 31.5Kg, stir 12 minutes, evenly add oleic acid 378Kg, added at 40 minutes, stir 25 minutes, add 31.5Kg AEO carboxylic acid sodium, stir 12 minutes, add calgon, stir 12 minutes, carry out an ageing, method is, speed of agitator 120 revs/min is adjusted to 60 revs/min, stirs 60 minutes; Carry out moisturizing, method is, in above-mentioned φ 3000 × 3000mm configured slot, adds the distilled water of 60 DEG C to water surface elevation 2700mm; Then carry out secondary ageing, method is, speed of agitator is adjusted to 20 revs/min by 60 revs/min, stirs 60 minutes.
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