CN205528959U - System for handle copper -containing iron powder - Google Patents
System for handle copper -containing iron powder Download PDFInfo
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- CN205528959U CN205528959U CN201620241796.4U CN201620241796U CN205528959U CN 205528959 U CN205528959 U CN 205528959U CN 201620241796 U CN201620241796 U CN 201620241796U CN 205528959 U CN205528959 U CN 205528959U
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- 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
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Abstract
The utility model discloses a system for handle copper -containing iron powder, include: the synthetic reaction unit of gasification, solid -liquid separation equipment, pyrolysis oven, mill and flotation device, wherein, the gasification synthesizer has feed inlet, discharge gate, carbon monoxide entry, heating element and pressurizing assembly, solid -liquid separation equipment has feed inlet, liquid outlet and solid export, and the feed inlet links to each other with the synthetic reaction unit of gasification, the pyrolysis oven links to each other with solid -liquid separation equipment's liquid outlet, the mill links to each other with solid -liquid separation equipment's solid export, and the flotation device links to each other with the mill. When adopting the element sulphur of this system in the make full use of raw materials, realized that copper, the high -efficient of iron separate from this to obtain high -purity and high added value's indisputable product, and the copper concentrate of copper content more than 30%, the suitability is good, and economic benefits is showing.
Description
Technical field
This utility model belongs to metallurgy industry technical field, particularly to the system of a kind of Treatment of Copper iron powder.
Background technology
Cupric iron powder broadly refers to the granular iron product containing a certain amount of copper, and such iron product can be as electricity after briquetting
Stove steel-making or the raw material of special steel (mainly weathering steel), but during as electric furnace steel making raw material, owing to copper is impurity element,
Thus use only as proportion material, or sell at a discount；During as weathering steel raw material, due to by the market demand
Limiting, product advantage is the most inconspicuous.
Such iron product uses conventional method to be difficulty with the high efficiency separation of copper, ferrum, thus iron product quality is low, value of the product
Limited.In the prior art, only the decopper(ing) technology of molten steel is carried out excessive quantifier elimination.But up to the present, also there is no one
Plant gratifying practical decopper(ing) technology.These methods mostly because of to the removing inferior capabilities of copper or condition be the harshest and nothing
Method develops further.During as used fusing to separate, it is only applicable to process containing a large amount of small-sized scraps exposing copper；Use gasification point
From method, then it is difficult to large-scale promotion due to problems such as process procedure is many, gaseous contamination environment；Use vacuum separation method, the most only
It is applicable to molten steel decopper(ing), but there is the problems such as iron loss is big, removing speed is slow, thus be difficult to large-scale industrial application.If energy
Realize the comprehensive utilization of such iron product, not only can create bigger economic benefit, more can carry for the comprehensive utilization of like product
For new alternative.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
One purpose of type is to propose a kind of to have high efficiency separation cupric iron powder and obtain high-purity and the iron product of high added value and copper
Product, there is the system of the Treatment of Copper iron powder of distinct economic.
According to an aspect of the present utility model, this utility model also proposed the system of a kind of Treatment of Copper iron powder, including:
Gasification synthetic reaction device, described vaporization and synthesis equipment has charging aperture, discharging opening, carbon monoxide inlet, heating group
Part and pressure-applying unit；
Equipment for separating liquid from solid, described equipment for separating liquid from solid has charging aperture, liquid outlet and a solid outlet, described charging aperture with
Described gasification synthetic reaction device is connected；
Pyrolysis oven, described pyrolysis oven is connected with the liquid outlet of described equipment for separating liquid from solid；
Ore mill, described ore mill is connected with the solid outlet of described equipment for separating liquid from solid；And
Flotation device, described flotation device is connected with described ore mill.
This system and its apparatus is thus used to achieve the techniques, beneficially cupric such as oxo process, low pressure decomposition and FLOTATION SEPARATION
The copper of iron powder, ferrum separate, and obtain iron product (its TFe grade more than 97%) and the copper content 30% of high-purity and high added value
Above copper concentrate, remarkable in economical benefits.
In this utility model, described gasification synthetic reaction device is connected with the system processing copper ashes and/or nickel slag.Due to through " copper
Slag/or nickel slag pelletizing dry rotary hearth furnace direct-reduction mill ore magnetic selection " after the cupric iron powder poor quality that obtains, price low.
The system using this utility model above-described embodiment can efficiently solve the problems referred to above, and then embodies the suitability of this system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the system of the Treatment of Copper iron powder according to one embodiment of this utility model.
Fig. 2 is the stream of the system Treatment of Copper iron powder method using the Treatment of Copper iron powder according to one embodiment of this utility model
Cheng Tu.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
According to an aspect of the present utility model, this utility model also proposed the system of a kind of Treatment of Copper iron powder.Join below
Examine the system that Fig. 1 describes the Treatment of Copper iron powder of this utility model specific embodiment in detail.
According to specific embodiment of the utility model, this system includes: gasification synthetic reaction device 10, equipment for separating liquid from solid 20,
Pyrolysis oven 30, ore mill 40 and flotation device 50.
Wherein, vaporization and synthesis equipment has charging aperture 11, discharging opening 12, carbon monoxide inlet 13, heating assembly 13 and adds
Pressure assembly 14；Equipment for separating liquid from solid 20 has charging aperture 21, liquid outlet 22 and solid outlet 23, charging aperture 21 and gas
It is combined to reaction unit 10 be connected；Pyrolysis oven 30 is connected with the liquid outlet 22 of equipment for separating liquid from solid 20；Ore mill 40 with
The solid outlet 23 of equipment for separating liquid from solid 20 is connected；And flotation device 50 is connected with ore mill 40.
This system and its apparatus is thus used to achieve the techniques, beneficially cupric such as oxo process, low pressure decomposition and FLOTATION SEPARATION
The copper of iron powder, ferrum separate, and obtain iron product (its TFe grade more than 97%) and the copper content 30% of high-purity and high added value
Above copper concentrate, remarkable in economical benefits.
According to specific embodiment of the utility model, above-mentioned gasification synthetic reaction device 10 with process copper ashes and/or nickel slag be
System is connected.Thus the Treatment of Copper of this utility model above-described embodiment has the system of iron powder to may be adapted to process copper ashes and/or nickel slag
Process, through direct-reduction and mill ore magnetic selection, the cupric produced and have iron powder.Due to through " copper ashes/or nickel slag pelletizing are dried and turned
End stove direct-reduction mill ore magnetic selection " after the cupric iron powder poor quality that obtains, price low.Use the above-mentioned enforcement of this utility model
The system of example can efficiently solve the problems referred to above, and then embodies the suitability of this system.
Understand the system of the Treatment of Copper iron powder of this utility model above-described embodiment for convenience, below to using at this system
The method of reason cupric iron powder is described.
The method describing the Treatment of Copper iron powder of this utility model specific embodiment below with reference to Fig. 2, the method includes: make to contain
Copper iron powder and carbon monoxide react in gasification synthetic reaction device, in order to obtain gaseous state iron pentacarbonyl and containing sulfuration Asia
The solid slag of copper；Described gasification synthetic reaction device is carried out decompression cooling, makes described gaseous state iron pentacarbonyl be converted into liquid five
Carbonyl iron, in order to obtain solidliquid mixture；Described solidliquid mixture is carried out solid-liquid separation, in order to respectively obtain liquid five carbonyl
Base ferrum and solid-state tailings；Carry out gasifying and decomposing in pyrolysis oven by described liquid iron pentacarbonyl, in order to obtain metal iron powder；
And described solid-state tailings is carried out fine grinding and flotation process, in order to obtain copper concentrate and mine tailing.
Thus the method is with cupric iron powder as raw material, and without pretreatment (as fine grinding, activate, reduction etc.), in above-mentioned gasification
While the method using gasification synthesis low pressure decomposition in synthetic reaction device makes full use of the element sulphur in raw material, it is achieved that
Copper, the high efficiency separation of ferrum, thus obtain the iron product (its TFe grade more than 97%) of high-purity and high added value, solve
Cupric iron powder product quality low (copper is impurity), the problem such as the market demand is limited, price is relatively low.Comprehensive utilization simultaneously
With the ferrum in cupric iron powder, copper, produce high value added product carbonyl iron dust and contain copper concentrate, remarkable in economical benefits,
Comprehensive utilization for cupric iron powder provides alternative.
Reaction according to occurring in specific embodiment of the utility model, above-mentioned gasification synthetic reaction device includes: above-mentioned cupric
Ferrum in iron powder reacts with carbon monoxide, generates gaseous state iron pentacarbonyl；Sulfur in above-mentioned cupric iron powder is sent out with carbon monoxide
Raw reaction, generates cos；Above-mentioned cos reacts with the copper in described cupric iron powder, generates cuprous sulfide.Specifically
Reaction equation is:
Fe+5CO=Fe (CO)5
Meanwhile, the sulfur in iron powder also can react generation cos (COS) with CO, and COS then enters one with the reaction of metallic copper
Step promotes the separation of copper, ferrum, and it specifically reacts as follows:
COS+2Cu=Cu2S+CO
According to specific embodiment of the utility model, above-mentioned cupric iron powder is that copper ashes and/or nickel slag are through direct-reduction and ore grinding magnetic
Choosing processes generation.Owing to obtaining after " copper ashes/or nickel slag pelletizing dry rotary hearth furnace direct-reduction mill ore magnetic selection "
Cupric iron powder poor quality, price low.The method using this utility model above-described embodiment can efficiently solve the problems referred to above,
And then embody the suitability of the method.
According to specific embodiment of the utility model, iron content as little as 88 weight % in above-mentioned cupric iron powder, copper content is 0.2～1
Weight %, in described cupric iron powder, the granule of granularity no more than 0.074 millimeter accounts for more than 60 weight %.Thus it is advantageously implemented
The comprehensive utilization of ferrum, copper in cupric iron powder, produces high-grade carbonyl iron dust and copper concentrate, expands the scope of application.
According to specific embodiment of the utility model, above-mentioned make cupric iron powder and carbon monoxide gasification synthetic reaction device in send out
The temperature of raw reaction is 180～220 degrees Celsius, and pressure is 10～15MPa.It is thus 180～220 degrees Celsius in temperature, pressure
Power is to may advantageously facilitate cupric iron powder and Oxidation of Carbon Monoxide reduction reaction under the conditions of 10～15MPa, generates gaseous state iron pentacarbonyl
With the solid slag containing cuprous sulfide, promote the high efficiency separation of copper, ferrum further.
According to specific embodiment of the utility model, above-mentioned gasification and decomposition are at 250～300 degrees Celsius, normal pressure and ammonia
Carry out under atmosphere.Thus liquid iron pentacarbonyl in pyrolysis oven after gasification, 250～300 degrees Celsius, normal pressure, be passed through
Under conditions of protection of ammonia atmosphere, gaseous state iron pentacarbonyl starts to decompose, and ultimately generates high-grade carbonyl iron dust, and it is at pyrolysis oven
The reaction equation of interior generation is:
Fe(CO)5=Fe+5CO
From there through the method using gasification synthesis low pressure decomposition, while the element sulphur in making full use of raw material, it is achieved
Copper, the high efficiency separation of ferrum, thus obtain the iron product (its TFe grade more than 97%) of high-purity and high added value.
According to specific embodiment of the utility model, above-mentioned fine grinding is described solid-state tailings to be milled to mean diameter be not more than 0.045
Millimeter.Thus above-mentioned solid-state tailings is milled to mean diameter no more than 0.045 millimeter and is easy to follow-up FLOTATION SEPARATION, obtain Gao Pin
The copper concentrate of position and mine tailing, increase economic efficiency.
Below with reference to specific embodiment, this utility model is described, it should be noted that these embodiments are only retouched
The property stated, and limit this utility model never in any form.
Embodiment 1
[1] at the cupric iron powder that will obtain after " copper ashes pelletizing dries rotary hearth furnace direct-reduction mill ore magnetic selection "
Reason, its TFe grade is 88%, Cu content is 1%, S content is 0.4%, and its granularity accounts for 60% for-0.074mm.
[2] cupric iron powder is sent in reactor, then the CO after pressurized is imported in reactor, make the pressure in reactor
For 15MPa, reactor is heated simultaneously, make the temperature in reactor reach 180 DEG C so that cupric iron powder occurs synthesis anti-
Should, generating gaseous state iron pentacarbonyl, the sulfur in iron powder increasingly generates cos simultaneously, and reacts generation Cu with part copper2S, enters
One step promotes that copper, ferrum separate, and concrete reaction equation is:
Fe+5CO=Fe (CO)5
Meanwhile, the sulfur in iron powder also can react generation cos with CO, and COS promotes the most further with the reaction of metallic copper
Copper, the separation of ferrum.It specifically reacts as follows:
COS+2Cu=Cu2S+CO
[3] pressure in reactor is gradually reduced, after decompression cooling, obtains liquid iron pentacarbonyl and solid slag, then through solid-liquid
Obtaining two kinds of products after separation, iron pentacarbonyl enters into pyrolysis in pyrolysis oven, and solid slag is thin in then entering ball mill.
[4] liquid iron pentacarbonyl in pyrolysis oven after gasification, 250 DEG C, normal pressure, be passed through NH3Under conditions of protective atmosphere,
Gaseous state iron pentacarbonyl starts to decompose, and ultimately generates carbonyl iron dust, and its TFe grade is more than 97.5%；Occur in pyrolysis oven
Reaction equation be:
Fe(CO)5=Fe+5CO
[5] the solid-state tailings obtained after solid-liquid separation carries out ore grinding in sending into ball mill, after classified screening, is all finely ground to
Below-0.045mm.
[6] the solid-state tailings after finely ground, after FLOTATION SEPARATION, i.e. can get copper concentrate (a small amount of Cu of copper grade more than 40%2S
And metallic copper) and mine tailing, this copper concentrate can use as Copper making raw material.
Embodiment 2
[1] at the cupric iron powder that will obtain after " nickel slag pelletizing dries rotary hearth furnace direct-reduction mill ore magnetic selection "
Reason, its TFe grade is 92%, Cu content is 0.5%, S content is 0.3%, and its granularity accounts for 80% for-0.074mm.
[2] cupric iron powder is sent in reactor, then the CO after pressurized is imported in reactor, make the pressure in reactor
For 12MPa, reactor is heated simultaneously, make the temperature in reactor reach 200 DEG C so that cupric iron powder occurs synthesis anti-
Should, generating gaseous state iron pentacarbonyl, the sulfur in iron powder increasingly generates cos simultaneously, and reacts generation Cu with part copper2S, enters
One step promotes that copper, ferrum separate, and concrete reaction equation is:
Fe+5CO=Fe (CO)5
Meanwhile, the sulfur in iron powder also can react generation cos with CO, and COS promotes the most further with the reaction of metallic copper
Copper, the separation of ferrum.It specifically reacts as follows:
COS+2Cu=Cu2S+CO。
[3] pressure in reactor is gradually reduced, after decompression cooling, obtains liquid iron pentacarbonyl and solid slag, then through solid-liquid
Obtaining two kinds of products after separation, iron pentacarbonyl enters into pyrolysis in pyrolysis oven, and solid slag is thin in then entering ball mill.
[4] liquid iron pentacarbonyl in pyrolysis oven after gasification, 280 DEG C, normal pressure, be passed through NH3Under conditions of protective atmosphere,
Gaseous state iron pentacarbonyl starts to decompose, and ultimately generates carbonyl iron dust, and its TFe grade is more than 98%；Occur in pyrolysis oven
Reaction equation is:
Fe(CO)5=Fe+5CO.
[5] the solid-state tailings obtained after solid-liquid separation carries out ore grinding in sending into ball mill, after classified screening, is all finely ground to
Below-0.045mm.
[6] the solid-state tailings after finely ground, after FLOTATION SEPARATION, i.e. can get copper concentrate (a small amount of Cu of copper grade more than 35%2S
And metallic copper) and mine tailing, this copper concentrate can use as Copper making raw material.
Embodiment 3
[1] the cupric iron powder obtained after " copper ashes Feedstock treating rotary kiln for directly reducing mill ore magnetic selection " is processed,
Its TFe grade is 94%, Cu content is 0.2%, S content is 0.1%, and its granularity accounts for 90% for-0.074mm.
[2] cupric iron powder is sent in reactor, then the CO after pressurized is imported in reactor, make the pressure in reactor
For 10MPa, reactor is heated simultaneously, make the temperature in reactor reach 220 DEG C so that cupric iron powder occurs synthesis anti-
Should, generating gaseous state iron pentacarbonyl, the sulfur in iron powder increasingly generates cos simultaneously, and reacts generation Cu with part copper2S, enters
One step promotes that copper, ferrum separate, and concrete reaction equation is:
Fe+5CO=Fe (CO)5
Meanwhile, the sulfur in iron powder also can react generation cos with CO, and COS promotes the most further with the reaction of metallic copper
Copper, the separation of ferrum.It specifically reacts as follows:
COS+2Cu=Cu2S+CO。
[3] pressure in reactor is gradually reduced, after decompression cooling, obtains liquid iron pentacarbonyl and solid slag, then through solid-liquid
Obtaining two kinds of products after separation, iron pentacarbonyl enters into pyrolysis in pyrolysis oven, and solid slag is thin in then entering ball mill.
[4] liquid iron pentacarbonyl in pyrolysis oven after gasification, 300 DEG C, normal pressure, be passed through NH3Under conditions of protective atmosphere,
Gaseous state iron pentacarbonyl starts to decompose, and ultimately generates carbonyl iron dust, and its TFe grade is more than 98.5%；Occur in pyrolysis oven
Reaction equation be:
Fe(CO)5=Fe+5CO.
[5] the solid-state tailings obtained after solid-liquid separation carries out ore grinding in sending into ball mill, after classified screening, is all finely ground to
Below-0.045mm.
[6] the solid-state tailings after finely ground, after FLOTATION SEPARATION, i.e. can get copper concentrate (a small amount of Cu of copper grade more than 30%2S
And metallic copper) and mine tailing, this copper concentrate can use as Copper making raw material.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ",
Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings
Orientation or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or
The implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
One or more this feature are included containing ground.In description of the present utility model, " multiple " be meant that two or two with
On, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements.For the ordinary skill in the art, Ke Yigen
Above-mentioned term concrete meaning in this utility model is understood according to concrete condition.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper,
Or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under
Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than the
Two features.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by technical staff
Close and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (2)
1. the system of a Treatment of Copper iron powder, it is characterised in that including:
Gasification synthetic reaction device, described vaporization and synthesis equipment has charging aperture, discharging opening, carbon monoxide inlet, heating group
Part and pressure-applying unit；
Equipment for separating liquid from solid, described equipment for separating liquid from solid has charging aperture, liquid outlet and a solid outlet, described charging aperture with
Described gasification synthetic reaction device is connected；
Pyrolysis oven, described pyrolysis oven is connected with the liquid outlet of described equipment for separating liquid from solid；
Ore mill, described ore mill is connected with the solid outlet of described equipment for separating liquid from solid；And
Flotation device, described flotation device is connected with described ore mill.
The system of Treatment of Copper iron powder the most according to claim 1, it is characterised in that described gasification synthetic reaction device with
The system processing copper ashes and/or nickel slag is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620241796.4U CN205528959U (en) | 2016-03-25 | 2016-03-25 | System for handle copper -containing iron powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620241796.4U CN205528959U (en) | 2016-03-25 | 2016-03-25 | System for handle copper -containing iron powder |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671318A (en) * | 2016-03-25 | 2016-06-15 | 江苏省冶金设计院有限公司 | Method and system for processing copper-containing iron powder |
-
2016
- 2016-03-25 CN CN201620241796.4U patent/CN205528959U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671318A (en) * | 2016-03-25 | 2016-06-15 | 江苏省冶金设计院有限公司 | Method and system for processing copper-containing iron powder |
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