CN104815761A - Mineral collecting agent - Google Patents

Mineral collecting agent Download PDF

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Publication number
CN104815761A
CN104815761A CN201510152297.8A CN201510152297A CN104815761A CN 104815761 A CN104815761 A CN 104815761A CN 201510152297 A CN201510152297 A CN 201510152297A CN 104815761 A CN104815761 A CN 104815761A
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China
Prior art keywords
oily sludge
mineral
agent
wetting agent
weight
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CN201510152297.8A
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Chinese (zh)
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刘秀琴
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刘秀琴
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Priority to CN201510152297.8A priority Critical patent/CN104815761A/en
Publication of CN104815761A publication Critical patent/CN104815761A/en
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Abstract

The invention discloses a mineral collecting agent and a preparation method therefor. The collecting agent comprises 100 parts, by weight, of oily sludge and 1-5 parts, by weight, of wetting agent. The oily sludge is generated in processes of oil exploitation, storage and transportation, and refining. The wetting agent contains Lamepon, polyacrylamide, water glass, and water. The method comprises the steps: placing the prepared oily sludge and wetting agent at equal proportion in a machine, and then smashing the prepared oily sludge and wetting agent, thereby obtaining a product. The collecting agent can achieve the complete resource utilization of oily sludge, and eliminates adverse effects that a defect that solid sediment particles in conventionally used oily sludge are not liable to be separated after the conventionally used oily sludge enters into ore pulp, and the concentrate grade or ash content of the clean coal is affected by that the solid sediment particles enters into ore concentrate or clean coal. The collecting effect can reach or exceed the collecting effect of a conventional collecting agent of a hydrocarbon oil type.

Description

A kind of mineral collector
Technical field
Content of the present invention belongs to the preparing technical field of chemical products, relates to a kind of beneficiation reagent, mineral collector that particularly based on a kind of oily sludge produced in oil exploitation, accumulating, refining process prepared by raw material and preparation method thereof.
Background technology
Oily sludge is oil exploitation, accumulating, a kind of hazardous waste of producing in refining process, be mainly derived from the bottom of the oil interceptor pond of oil field gathering and transportation station and refinery, in the facility such as floation tank scum silica frost, storage tank bottom, composition is many to be made up of mineral oil, silt and water, the structure of silt is solid particle state, and average particle size is generally greater than 0.2mm.Current this area disposes that oily sludge mainly adopts burnings, envelope is piled, the technical method of biodegradation and three phase separation.In recent years, in order to realize the safe disposal also effective mineral oil resource utilized wherein to oily sludge, in Non-ferrous minerals flotation agent technology, take oily sludge as raw material, add foaming agent, adjusting agent, the hydrocarbon oils flotation agent prepared by emulsification be can be used for mineral floating and produces; In coal flotation agent technology, one method take oily sludge as raw material, in oily sludge, use the hydrocarbon-type oils such as kerosene, light diesel, aromatic hydrocarbons, shale diesel oil, atmosphere 3rd side cut oil, natural gas cold oil or industrial tar as diluent, add the auxiliary agents such as foaming agent, coal flotation agent is prepared by stirring, another kind method is in oily sludge, add emulsifying agent, thinner, foaming agent and water, is stirred prepare coal flotation agent by emulsify at a high speed.Above-mentioned take oily sludge as the technical method that raw material prepares Non-ferrous minerals flotation agent or coal flotation agent, the effect of what oily sludge played wherein is all collecting agent, although the height ratio that these technology can realize oily sludge mineral oil in fluid resource in the application utilizes, but due to accompany the solid particle deposited by mineral oil wherein in oily sludge contain, closed form oil film is defined in solid particles surface, and in ore dressing or coal separation application, because the solid particle contained by oil film cannot be separated with oil film, these solid particles together will be collected in concentrate or cleaned coal with the mineral of being caught to receive under the effect of foaming agent, such meeting directly has influence on the quality of concentrate or cleaned coal, the raising of concentrate grade will be directly had influence in Non-ferrous minerals flotation, the content of coal in cleaned coal then directly can be had influence in coal separation is produced.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, a kind of mineral collector improving ore dressing application Minerals arresting efficiency is provided.
For achieving the above object and adopt technical solution as described below.
A kind of mineral collector, be made up of the oily sludge of 100 weight portions and 1 ~ 5 weight portion wetting agent, described oily sludge is the mud be made up of mineral oil, solid particle silt, water three kinds of components produced in oil exploitation, accumulating and refining process, mineral oil content is wherein 10 ~ 45%, sediment charge is 15 ~ 45%, and all the other are water; Described wetting agent is made up of the raw material of substance of following weight proportioning:
In raw material of substance of the present invention, wetting agent used is a kind of aqueous solution of composite assistant, the effect of Lei meter Bang wherein increases hydrophobic solid thing wettability of the surface, polyacrylamide adopts the anion-polyacrylamide of middle-molecular-weihydroxyethyl (5,000,000 ~ 1,000 ten thousand) or HMW (1,000 ten thousand ~ 1,500 ten thousand) or super high molecular weight (1,500 ten thousand ~ 4,000 ten thousand), Main Function hinders closing of silt sea surface oil slick, improve the hydrophilic ability on hydrophobic solid thing surface, waterglass is modifier and the silt settling agent of Lei meter Bang.
The preparation method of this mineral collector is: Lei meter Bang, polyacrylamide and waterglass is all soluble in water, be mixed with wetting agent, oily sludge and the humectant materials prepared are placed in mechanical disruption device in decile ratio broken, solid particle average particle size in material is crushed to be less than or equal to discharging after 0.12mm, namely obtains mineral collector product.In above-mentioned preparation method, said mechanical disruption device can adopt wet type mechanical grinding device or wet type mechanical crushing device or wet type mechanical disruption device, as ball mill, rod mill, colloid mill, wet type hammer crusher, wet type flour mill etc.
Mineral collector of the present invention is a kind of is raw material with oily sludge, under the effect of wetting agent, and mining collecting agent oily sludge structure being changed by mechanical disruption device.Solid particles surface original closed form oil film can be made in oily sludge when being subject to Mechanical Crushing by above-mentioned technical method and solid particle produces new section simultaneously or is scratched, because this course of reaction is in aqueous phase, in oily sludge, solid particle has water-wet behavior, therefore can be adsorbed in containing the moisture of wetting agent the section or scuffing place that solid particle newly produces, wetting agent wherein can change the tension force of water and the wetability of solid particle section, hinder semiclosed or have the oil film of opening again to close, for the stripping of oil film in aqueous phase provides condition.The mineral collector with this oily sludge structure enters after in ore pulp, the mineral oil of solid particles surface is semiclosed or have the oil film of opening can play collecting effect, after collecting to target mineral, in the mineral attraction that institute's collecting is arrived, in the drag force that flow of slurry movable property is raw and aqueous phase wetting agent acting in conjunction under, semiclosed or have the oil film of opening finally can move to from depended on solid particles surface institute's collecting to mineral surfaces, the solid particle nature having peeled off oil film enters in mine tailing or tail coal coal slime with beneficiation flowsheet, thus eliminating the need solid particle in greasy dirt and enter concentrate in ore dressing application, affect the factor of coal content in concentrate grade and cleaned coal.This mineral collector increases because the broken rear surface of wherein solid particle is long-pending, can play solid dispersion agent effect for mineral oil, and the existence of this effect makes its diffusing capacity in ore pulp obviously strengthen, and is conducive to the efficiency improving trapping mineral.
Compared with prior art, the advantage that the present invention has is:
This New Mineral collecting agent is while can realizing oily sludge a hundred per cent recycling, eliminate the own silt solid of oily sludge that prior art oily sludge used exists after entering ore pulp not easily separated, and enter in concentrate or cleaned coal with mineral oil, affect the unfavorable factor of coal content in concentrate grade or cleaned coal, its collecting usefulness can meet or exceed conventional hydrocarbon class collecting agent, can improve mineral products yield 0.5 percentage point ~ 3.5 percentage points compared with light diesel collecting agent; In addition, this collecting agent has good diffusing capacity in ore pulp, can be used for natural can production by floatable minerals such as the floating and enrichings such as coal, molybdenite, graphite, sulphur, talcum, significantly improve beneficiating efficiency, also significantly having saved flotation produces the collecting agent cost that must use simultaneously.
Detailed description of the invention
Embodiment one
1, by weight batching: oily sludge 100 weight portions, wetting agent 3 weight portions.In wetting agent, the weight proportion of Lei meter Bang, polyacrylamide, waterglass, water is 1: 1: 5: 250.Polyacrylamide adopts the anion-polyacrylamide of HMW, and molecular weight is 1,000 ten thousand ~ 1,500 ten thousand.
2, preparation method: Lei meter Bang, polyacrylamide and waterglass is all soluble in water, be mixed with wetting agent, 100 weight portion oily sludges and 3 weight portion wetting agents are inserted in ball mill in proportion or all and processes 5 ~ 30 minutes, sampling detects the average particle size of solid particle in material to be machined, discharging when granularity is less than or equal to 0.12mm, namely obtains this mineral collector.
3, result of use: this mineral collector directly can replace light diesel or kerosene collector is used for selecting the production such as molybdenum or coal separation, usefulness when using light diesel collecting agent is equivalent to for collecting usefulness when selecting molybdenum, for during coal separation compared with use light diesel collecting agent productive rate can improve 1 ~ 3.5 percentage point, in cleaned coal, coal content can improve 0.5 ~ 300 branch.
Embodiment two
The present embodiment is identical with embodiment one, and difference is the difference of ingredients by weight ratio, and ingredients by weight ratio used is: oily sludge 100 weight portions, wetting agent 1 weight portion; The present embodiment is applicable to use the low oily sludge of mineral oil content to produce above-mentioned mineral collector as raw material.For during coal separation compared with use illuminating kerosene collecting agent, when keeping that in cleaned coal, coal content is identical, productive rate can improve 1 ~ 2 percentage point.
Embodiment three
The present embodiment is identical with embodiment one, and difference is the difference of ingredients by weight ratio, and ingredients by weight ratio used is: oily sludge 100 weight portions, wetting agent 5 weight portions; The present embodiment is applicable to use the high oily sludge of mineral oil content to produce above-mentioned mineral collector as raw material, usefulness when using illuminating kerosene collecting agent is equivalent to for collecting usefulness when selecting molybdenum, for during coal separation compared with use illuminating kerosene collecting agent, productive rate can improve 1.5 ~ 3.5 percentage points, and in cleaned coal, coal content can improve 1 ~ 2 percentage point.
Embodiment four
In the present embodiment, greasy dirt is identical with embodiment one with the weight of wetting agent, but the weight proportion of Lei meter Bang, polyacrylamide, waterglass, water is 1.5: 0.5: 6: 200 in wetting agent, polyacrylamide adopts the anion-polyacrylamide of middle-molecular-weihydroxyethyl, and molecular weight is 500 ~ 1,000 ten thousand.Under the present embodiment product is applicable to the harder condition of ore dressing water used water quality, ore dressing uses, for collecting usefulness when selecting molybdenum with suitable during use light diesel collecting agent, for during coal separation compared with use light diesel collecting agent, when keeping that in cleaned coal, content of ashes is identical, productive rate can improve 0.5 ~ 2.5 percentage point.
Embodiment five
In the present embodiment, greasy dirt is identical with embodiment one with the weight of wetting agent, difference is that the weight proportion of Lei meter Bang in wetting agent, polyacrylamide, waterglass, water is 1.5: 1.2: 4: 300, polyacrylamide adopts the anion-polyacrylamide of super high molecular weight, and molecular weight is 1500 ~ 4,000 ten thousand.The mineral collector of the present embodiment is applicable to mineral processing production use in summer, slightly be better than using light diesel collecting agent for collecting usefulness when selecting molybdenum, under the condition that concentrate grade is suitable, the rate of recovery can improve 0.5 ~ 1.5 percentage point, for during coal separation compared with use light diesel collecting agent productive rate can improve 2 ~ 3.5 percentage points, in cleaned coal, coal content can improve 0.5 ~ 2 percentage point.
Embodiment six
By weight batching: oily sludge 100 weight portions, wetting agent 3 weight portions; Preparation method: the wetting agent of the oily sludge of 100 weight portions and 3 weight portions is inserted in ball mill in proportion or all and processes 10 ~ 40 minutes, sampling detects the average particle size of solid particle in material to be machined, and when being less than or equal to 0.05mm, discharging obtains this mineral collector.This mineral collector is applicable to fine fraction breeze and the coal slime flotation production and application of below 200 orders, compare with use illuminating kerosene collecting agent, during for selecting molybdenum, under the condition that concentrate grade is suitable, mineral recovery rate can improve 0.5 ~ 2 percentage point, can improve 1 ~ 3 percentage point for productive rate during coal separation, in cleaned coal, coal content can improve 1 ~ 2.5 percentage point.
Embodiment seven
The weight ratio batching of the present embodiment is substantially identical with embodiment one with preparation method, and difference is that the mechanical disruption device used is different; The present embodiment take colloid mill as mechanical disruption device, its preparation method is that setting disintegrating colloid mill head and abrasive disk space are less than or equal to 0.1mm, reflux ratio 50 ~ 80%, then batching is inserted colloid mill feed hopper in proportion, start colloid mill, after material to be machined obtains completely circulating in machine, namely discharging obtains this mineral collector.This mineral collector purposes is identical with embodiment one with result of use.

Claims (2)

1. a mineral collector, it is characterized in that: this mineral collector is made up of the oily sludge of 100 weight portions and 1 ~ 5 weight portion wetting agent, described oily sludge is the mud be made up of mineral oil, solid particle silt, water three kinds of components produced in oil exploitation, accumulating and refining process, mineral oil content is wherein 10 ~ 45%, sediment charge is 15 ~ 45%, and all the other are water; Described wetting agent is made up of the raw material of substance of following weight proportioning:
The preparation method of this mineral collector is: Lei meter Bang, polyacrylamide and waterglass is all soluble in water, be mixed with wetting agent, oily sludge and the humectant materials prepared are placed in mechanical disruption device in decile ratio broken, solid particle average particle size in material is crushed to be less than or equal to discharging after 0.12mm, namely obtains mineral collector product.
2. mineral collector according to claim 1, it is characterized in that: described anion-polyacrylamide to be molecular weight be 5,000,000 ~ 1,000 ten thousand middle-molecular-weihydroxyethyl anion-polyacrylamide, or molecular weight is the high molecular anion type polycrylamide of 1,000 ten thousand ~ 1,500 ten thousand, or molecular weight is the ultra high molecular weight anion-type polyacrylamide of 1,500 ten thousand ~ 4,000 ten thousand.
CN201510152297.8A 2015-04-01 2015-04-01 Mineral collecting agent Pending CN104815761A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB199051A (en) * 1921-12-10 1923-06-11 Eureka Metallurg Company Improvements in and relating to the concentration of ores and minerals
CN101665685A (en) * 2009-09-14 2010-03-10 天津师范大学 Oil-displacing agent for enhancing crude oil recovery efficiency in tertiary recovery
CN102974468A (en) * 2011-09-06 2013-03-20 陕西长大石油化工产品有限公司 Non-ferrous metal mineral flotation agent
CN103394416A (en) * 2013-08-22 2013-11-20 陕西延长石油矿业有限责任公司 Coal flotation agent and preparation method thereof
CN103468333A (en) * 2012-06-06 2013-12-25 中国石油天然气股份有限公司 Oily sludge coke water slurry and preparation method thereof
CN104418973A (en) * 2013-09-11 2015-03-18 中国石油化工股份有限公司 Method for preparing polyacrylamide emulsion

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB199051A (en) * 1921-12-10 1923-06-11 Eureka Metallurg Company Improvements in and relating to the concentration of ores and minerals
CN101665685A (en) * 2009-09-14 2010-03-10 天津师范大学 Oil-displacing agent for enhancing crude oil recovery efficiency in tertiary recovery
CN102974468A (en) * 2011-09-06 2013-03-20 陕西长大石油化工产品有限公司 Non-ferrous metal mineral flotation agent
CN103468333A (en) * 2012-06-06 2013-12-25 中国石油天然气股份有限公司 Oily sludge coke water slurry and preparation method thereof
CN103394416A (en) * 2013-08-22 2013-11-20 陕西延长石油矿业有限责任公司 Coal flotation agent and preparation method thereof
CN104418973A (en) * 2013-09-11 2015-03-18 中国石油化工股份有限公司 Method for preparing polyacrylamide emulsion

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
中国石油天然气集团公司人事部: "《集输技师培训教程》", 31 July 2012, 石油工业出版社 *
魏文杰等: "《采油工程》", 30 April 1981, 石油工业出版社 *

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Application publication date: 20150805