CN103834804B - Prepare the method for nickeliferous solid particulate briquetting - Google Patents

Prepare the method for nickeliferous solid particulate briquetting Download PDF

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Publication number
CN103834804B
CN103834804B CN201410096573.9A CN201410096573A CN103834804B CN 103834804 B CN103834804 B CN 103834804B CN 201410096573 A CN201410096573 A CN 201410096573A CN 103834804 B CN103834804 B CN 103834804B
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solid particulate
briquetting
nickeliferous solid
nickeliferous
carried out
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CN103834804A (en
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吴道洪
王建民
郭盼盼
刘涛
赵飞翔
陈家全
高建
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Shenwu Technology Group Corp Co Ltd
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Beijing Shenwu Environmental and Energy Technology Co Ltd
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Abstract

The invention discloses the method preparing nickeliferous solid particulate briquetting, the method comprises: (1) provides nickeliferous solid particulate, and the mean particle size of nickeliferous solid particulate is less than 75 microns; (2) organic coating agent is utilized, coated process is carried out to nickeliferous solid particulate, (3) mixed with binding agent by the nickeliferous solid particulate through coated process obtained in step (2), wherein, binding agent contains syrup and is selected from least one of white lime and unslaked lime; And the mixture obtained in step (3) is carried out briquetting process by (4), to obtain nickeliferous solid particulate briquetting.Utilize aforesaid method significantly can reduce the cost preparing nickeliferous solid particulate briquetting, and the nickeliferous solid particulate briquetting prepared can carry out molten point metallurgy without the need to drying, for industrial production Rhometal technique eliminates a link, significantly reduce production cost.

Description

Prepare the method for nickeliferous solid particulate briquetting
Technical field
The invention belongs to chemical field, specifically, the present invention relates to the method preparing nickeliferous solid particulate briquetting.
Background technology
Now traditional rotary kiln is replaced to complete the reduction of ferronickel mineral to novel method many employings rotary hearth furnace that red soil nickel ore processes.Owing to being static siege, high temperature " ring formation " phenomenon that rotary kiln can be avoided such.Reduction temperature is relatively high, and jettisoning tailings after the direct-reduction product mill choosing obtained, obtains granularity accounts for about 90% high-grade nickel iron powdered product lower than 200 orders (75 microns).Usually this high-grade nickel iron powdered product is carried out in electric arc furnace molten point to smelt, electric arc furnace is only applicable to the smelting of lumpy material, therefore, needs ferronickel powdered product to carry out agglomeration.
For the metallic reducing product of above-mentioned granularity below 200 orders, existing agglomeration method adopts the aqueous binders of water glass one class usually, and after fully mixing with processed material particles, pressurize in a mold with hydraulic press, the demoulding, obtains briquetting.Because the granularity of handled ferronickel powdered product is thinner, usually account for more than 90% lower than 200 object particles, therefore specific surface is comparatively large, so adopt water glass one class as binding agent, consumption is very large, and relative cost is higher.And adopt the aqueous binders of water glass one class, maximum shortcoming is: need after briquetting to dry, not only increase oven dry cost, and also may cause the secondary oxidation of metal at drying course, dry atmosphere needs to control simultaneously, and facility investment is also very large.
Therefore, further improvement is need about the method for the ferronickel obtained after red soil nickel ore reduction grinding powdered product being carried out agglomeration.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, one object of the present invention is to propose a kind of method preparing nickeliferous solid particulate briquetting.
For this reason, in one aspect of the invention, the present invention proposes a kind of method preparing nickeliferous solid particulate briquetting, the method comprises:
(1) provide nickeliferous solid particulate, the mean particle size of described nickeliferous solid particulate is less than 75 microns;
(2) utilize organic coating agent, coated process is carried out to described nickeliferous solid particulate;
(3) mixed with binding agent by the nickeliferous solid particulate through coated process obtained in step (2), wherein, described binding agent contains syrup and white lime; And
(4) mixture obtained in step (3) is carried out briquetting process, to obtain nickeliferous solid particulate briquetting.
Utilize the method effectively nickeliferous solid particulate can be carried out agglomeration, and the method is particularly useful for the agglomeration of the thinner nickeliferous solid particulate of granularity, such as, the agglomeration of the nickeliferous solid particulate of mean particle size below 75 microns.The method adopts syrup and white lime as binding agent, adopts the aqueous binders such as a large amount of water glass to save great amount of cost relative to traditional method.And the nickeliferous solid particulate briquetting water content utilizing the method to prepare is low, without the need to carrying out drying and processing, not only saves drying plant and energy consumption thus, can also significantly avoid oven dry to cause metal secondary oxidation simultaneously.
In addition, the method for the nickeliferous solid particulate briquetting of preparation according to the above embodiment of the present invention can also have following additional technical characteristic:
In some embodiments of the invention, in described nickeliferous solid particulate, the grain graininess of 90% is less than 75 microns.Because the granularity of this nickeliferous solid particulate is comparatively thin, specific surface area is comparatively large, therefore adopts traditional to utilize water glass as the method for binding agent agglomeration, and the large usage quantity of binding agent, relative cost is higher.
In some embodiments of the invention, described nickeliferous solid particulate obtains through the following steps: in rotary hearth furnace, carry out direct-reduction to red soil nickel ore, to obtain ferronickel reduzate; And described ferronickel reduzate is carried out ball milling and magnetic separation, to obtain described nickeliferous solid particulate.The mean particle size of the nickeliferous solid particulate obtained thus is less than 75 microns, adopts the large usage quantity of traditional agglomeration method water glass of binder, causes cost higher.
In some embodiments of the invention, described organic coating agent is liquid hydrocarbons under comprising normal temperature, such as, under comprising normal temperature is liquid alkane.Can effectively carry out coated to nickeliferous solid particulate thus.
In some embodiments of the invention, described organic coating agent is lubricating oil, such as gear oil, such as waste and old gear oil.Agglomeration cost can be saved further thus.
In some embodiments of the invention, described syrup is the syrup waste liquid of sugar industry.Agglomeration cost can be saved further thus.
In some embodiments of the invention, based on the described nickeliferous solid particulate of 100 weight parts, the consumption of described organic coating agent is 0.3 weight part, and the consumption of described syrup is 6 weight parts, and the consumption of described white lime is 3.6 weight parts.Utilize a small amount of coating and binding agent effectively can carry out agglomeration to nickeliferous solid particulate thus, significantly reduce agglomeration cost.
In a second aspect of the present invention, the present invention proposes a kind of method preparing Rhometal, the method comprises: by foregoing method, prepares nickeliferous solid particulate briquetting; And in electric arc furnace, molten point is carried out to described nickeliferous solid particulate briquetting and smelts, to obtain Rhometal.The nickeliferous solid particulate briquetting prepared by foregoing method thus carries out molten point of smelting can reduce the step of drying in advance nickeliferous solid particulate briquetting, can save the cost preparing nickel-containing alloys further thus.
In some embodiments of the invention, the above-mentioned method preparing Rhometal also comprises: red soil nickel ore is carried out fragmentation, and carries out direct-reduction, to obtain spongy ferronickel reduzate with rotary hearth furnace to through broken red soil nickel ore; Described spongy ferronickel reduzate is carried out ball milling and magnetic separation, obtains mill and select product; In paddle agitator, select product to mix gear oil and stir 90 minutes with described mill, wherein, select product based on mill described in 100 weight parts, the consumption of described gear oil is 0.3 weight part; To in described paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on mill described in 100 weight parts, the consumption of described white lime is 3.6 weight parts; To in described paddle agitator, add syrup and carry out batch mixing 3 minutes, wherein, select product based on mill described in 100 weight parts, the consumption of described syrup is 6.0 weight parts; In hydraulic pressure briquetting press, at 3.15t/cm 2pressure under, the mixture obtained in described paddle agitator is carried out briquetting, to obtain nickeliferous solid particulate briquetting; Described nickeliferous solid particulate briquetting is joined in electric arc furnace and carries out molten point of smelting, to obtain Rhometal.
Utilize the method preparing nickel-containing alloys of the above embodiment of the present invention significantly can reduce production cost thus, the more traditional employing water glass of method nickeliferous solid particulate being carried out agglomeration especially in above-described embodiment significantly saves agglomeration cost as binding agent agglomeration method.And the nickeliferous solid particulate briquetting water content utilizing agglomeration method in above-described embodiment to prepare is lower, without the need to carrying out drying and processing before carrying out molten point of smelting, thus reduce the cost preparing Rhometal.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the process flow sheet of the method for the nickeliferous solid particulate briquetting of preparation according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In one aspect of the invention, the present invention proposes a kind of method preparing nickeliferous solid particulate briquetting, the method comprises:
(1) provide nickeliferous solid particulate, the mean particle size of nickeliferous solid particulate is less than 75 microns;
(2) utilize organic coating agent, coated process is carried out to nickeliferous solid particulate;
(3) mixed with binding agent by the nickeliferous solid particulate through coated process obtained in step (2), wherein, binding agent contains syrup and white lime; And
(4) mixture obtained in step (3) is carried out briquetting process, to obtain nickeliferous solid particulate briquetting.
Utilize the method effectively nickeliferous solid particulate can be carried out agglomeration, and the method is particularly useful for the agglomeration of the thinner nickeliferous solid particulate of granularity, such as, the agglomeration of the nickeliferous solid particulate of mean particle size below 75 microns.The method adopts syrup and white lime as binding agent, adopts the aqueous binders such as a large amount of water glass to save great amount of cost relative to traditional method.And the nickeliferous solid particulate briquetting water content utilizing the method to prepare is low, without the need to carrying out drying and processing, not only saves drying plant and energy consumption thus, can also significantly avoid oven dry to cause metal secondary oxidation simultaneously.
Below with reference to the accompanying drawings the method for the nickeliferous solid particulate briquetting of preparation is according to a particular embodiment of the invention described in detail.
S100: nickeliferous solid particulate is provided
First, provide nickeliferous solid particulate, according to a particular embodiment of the invention, the mean particle size of nickeliferous solid particulate is less than 75 microns.According to another specific embodiment of the present invention, in nickeliferous solid particulate, the grain graininess of 90% is less than 75 microns.The granularity of this nickeliferous solid particulate is less thus, the large usage quantity of binding agent therefore used.Especially adopt the aqueous binders large usage quantities such as traditional water glass, cost is higher.And adopt aqueous binders to introduce large quantity of moisture, the water content making the block product prepared is comparatively large, needs drying and processing, again increases the investment of drying energy consumption and drying plant, and drying and processing also may cause metal wherein by secondary oxidation.Therefore, traditional agglomeration method is also no longer applicable to the nickeliferous solid particulate that above-mentioned mean particle size is less than 75 microns, is also unsuitable for the development strategy that social energy conservation now reduces discharging.
According to a particular embodiment of the invention, above-mentioned nickeliferous solid particulate can be the reduzate of red soil nickel ore.Particularly, can obtain through the following steps: in rotary hearth furnace, direct-reduction is carried out to red soil nickel ore, to obtain ferronickel reduzate; And ferronickel reduzate is carried out ball milling and magnetic separation, to obtain nickeliferous solid particulate.The mean particle size of the nickeliferous particle obtained thus is less than 75 microns.
S200: coated process
Method according to the nickeliferous solid particulate briquetting of the preparation of the embodiment of the present invention comprises further: utilize organic coating agent, carries out coated process to the above-mentioned nickeliferous solid particulate provided.According to a particular embodiment of the invention, the type of organic coating agent and composition be not particularly limited.According to concrete example of the present invention, the organic coating agent that aforesaid method adopts is liquid hydrocarbons under can comprising normal temperature, such as, under comprising normal temperature is liquid alkane.
According to concrete example of the present invention, organic coating agent can be lubricating oil, such as gear oil, such as waste and old gear oil.Utilize thus and reduce preparation cost further.The waste and old gear oil that " the waste and old gear oil " that describe in the embodiment of the present invention changes for engine, compressor etc.Utilize above-mentioned organic coating agent first to carry out coated process to nickel and cobalt containing solid particulate, the surface of nickeliferous solid particulate can be made to form organic coating film.
According to a particular embodiment of the invention, organic coating film is one of reactant simultaneously, violent thermopositive reaction is there is with the syrup waste liquid added subsequently and white lime, and then bond at particles coat layer, exothermic heat of reaction accelerates the curing proceeding of Binder Phase, achieves the self-hardening effect of " exempting to dry ".Quality and the efficiency of compound stalk forming can be further increased thus.
S300: be mixed into binding agent
According to a particular embodiment of the invention, mixed with binding agent by the nickeliferous solid particulate through coated process obtained in above-mentioned coated treatment step further, wherein, binding agent contains syrup and white lime.Utilize above-mentioned binding agent can be that the nickeliferous solid particulate of less than 75 microns is prepared into lumpy material effectively by mean particle size thus.
According to a particular embodiment of the invention, above-mentioned syrup can be the syrup waste liquid of sugar industry.Utilize syrup waste liquid to use as portion of binder thus, refuse can be carried out recycling and reduce agglomeration cost simultaneously.
More importantly contriver is found by great many of experiments and can substitute the aqueous binders such as traditional water glass, is surprised to find that, syrup and white lime is combined and uses as binding agent, can be effectively applied in the agglomeration of the less nickeliferous solid particulate of granularity.In binding agent, white lime main component is Ca (OH) 2.These two kinds of binding agents combine with the gear oil being coated on nickeliferous solid particles surface, have very large viscosity.And contriver finds, utilize white lime to make material very exothermic in batch mixing and briquetting process subsequently as binding agent, material temperature can reach 70 ~ 90 degrees Celsius, and the large quantity of moisture wherein contained can be made thus to evaporate.After briquetting, above-mentioned thermopositive reaction can continue further, and speed of response reduces gradually, until reaction termination.
Thermopositive reaction not only consumes the moisture contained in mixture, greatly facilitates the cohesive action of binding agent simultaneously, accelerates binding agent onset, a large amount of finer nickeliferous solid particulates can be bonded together thus, be convenient to follow-up compression moulding thus.Thermopositive reaction simultaneously can promote the cohesive action of binding agent, and then the binding agent of small amount can be utilized can to reach the bond effect adopting a large amount of aqueous binders in traditional agglomeration method, and then significantly reduces costs.Thermopositive reaction accelerates binding agent onset, can significantly improve production efficiency thus.
Significantly can to reduce the moisture in the nickeliferous solid particulate briquetting prepared additionally by adopting syrup and white lime as the thermopositive reaction that binding agent occurs, therefore without the need to again drying it, directly can enter electric furnace and carrying out molten point of smelting.The cost of energy of baking needed can be saved thus, and saved the investment of huge drying plant.Therefore the above embodiment of the present invention prepares the method for nickeliferous solid particulate briquetting by adopting organic coating agent and syrup and white lime as binding agent, contrast table area is larger effectively small nickeliferous solid particulate can carry out agglomeration, and significantly reduce the cost preparing binding agent, eliminate the baking operation that briquetting is follow-up.
According to a particular embodiment of the invention, above-mentioned coating and binding agent consumption and be not particularly limited.According to concrete example of the present invention, can according to the nickeliferous solid particulate based on 100 weight parts, the consumption of organic coating agent is 0.3 weight part, and the consumption of syrup is 6 weight parts, and the consumption of white lime is 3.6 weight parts.Mix according to said ratio thus, less consumption can be utilized to play the effect of coating and binding agent to greatest extent, save preparation cost.Although the amount of three kinds of reactants is not particularly limited, the proportioning of above-described embodiment that the present invention provides is relatively excellent, when syrup waste liquid exceed 6% more time, binding agent gross surplus, therefore to compound stalk forming poor effect.
Coating in the above embodiment of the present invention and the consumption of binding agent save consumption more relative to traditional agglomeration method.And coating and binding agent can adopt waste and old gear oil and syrup waste liquid respectively, provide not only refuse process thus significantly can also reduce preparation cost.
Therefore, by gear oil, syrup and white lime conbined usage, wherein syrup and white lime there occurs complex reaction, gear oil contacts with the two and has released the complexing action that a large amount of heats further promotes syrup and white lime simultaneously, and then make briquetting easily shaping, improve the quality of briquetting efficiency and briquetting.
S400: briquetting process
According to a particular embodiment of the invention, finally the mixture obtained in above-mentioned steps is carried out briquetting process, to obtain nickeliferous solid particulate briquetting.The nickeliferous solid particulate briquetting prepared thus has good guarantor's type ability and bending strength, can meet scene and have bad luck and enter the follow-up industrial requirements such as stove with electric furnace.
In a second aspect of the present invention, the present invention proposes a kind of method preparing Rhometal, the method comprises: by foregoing method, prepares nickeliferous solid particulate briquetting; And in electric arc furnace, molten point is carried out to nickeliferous solid particulate briquetting and smelts, to obtain Rhometal.The nickeliferous solid particulate briquetting prepared by foregoing method thus carries out molten point of smelting can reduce the step of drying in advance nickeliferous solid particulate briquetting, can save the cost preparing nickel-containing alloys further thus.
In some embodiments of the invention, the above-mentioned method preparing Rhometal also comprises: red soil nickel ore is carried out fragmentation, and carries out direct-reduction, to obtain spongy ferronickel reduzate with rotary hearth furnace to through broken red soil nickel ore; Spongy ferronickel reduzate is carried out ball milling and magnetic separation, obtains mill and select product; In paddle agitator, select product to mix on gear oil and mill and stir 90 minutes, wherein, select product based on 100 weight part mills, the consumption of gear oil is 0.3 weight part; To in paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on 100 weight part mills, the consumption of white lime is 3.6 weight parts; To in paddle agitator, add syrup and carry out batch mixing 3 minutes, wherein, select product based on 100 weight part mills, the consumption of syrup is 6.0 weight parts; In hydraulic pressure briquetting press, at 3.15t/cm 2pressure under, the mixture obtained in paddle agitator is carried out briquetting, to obtain nickeliferous solid particulate briquetting; Nickeliferous solid particulate briquetting is joined in electric arc furnace and carries out molten point of smelting, to obtain Rhometal.
Utilize the method preparing nickel-containing alloys of the above embodiment of the present invention significantly can reduce production cost thus, the more traditional employing water glass of method nickeliferous solid particulate being carried out agglomeration especially in above-described embodiment significantly saves agglomeration cost as binding agent agglomeration method.And the nickeliferous solid particulate briquetting water content utilizing agglomeration method in above-described embodiment to prepare is lower, without the need to carrying out drying and processing before carrying out molten point of smelting, thus reduce the cost preparing Rhometal.
Method according to the nickeliferous solid particulate briquetting of the preparation of the specific embodiment of the invention can also have following advantages:
1, the advantage that the method for preparation of the invention process nickeliferous solid particulate briquetting is maximum is the baking operation after eliminating briquetting, and this is industrially of great importance, and one is the energy cost of having saved baking needed, and two is the investments saving huge drying plant.
2, organic coating agent is industrial machine oil, and raw material is easy to obtain, and add-on is little, and cost is little.
3, the feed postition of organic coating agent is simple, directly with a paddle agitator.
4, the ingenious heat that make use of thermopositive reaction, promotes binding agent quick acting, production efficiency is improved greatly.
Below with reference to specific embodiment, present invention is described, it should be noted that, these embodiments are only descriptive, and do not limit the present invention in any way.
Embodiment 1
There is provided red soil nickel ore to grind and select product, mean particle size is 75 microns, and water content is 1.23 % by weight.
In paddle agitator, select product to mix on gear oil and mill and stir 90 minutes, wherein, select product based on 100 weight part mills, the consumption of gear oil is 0.3 weight part; To in paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on 100 weight part mills, the consumption of white lime is 3.6 weight parts; To in paddle agitator, add syrup waste liquid and carry out batch mixing 3 minutes, wherein, select product based on 100 weight part mills, the consumption of syrup waste liquid is 6.0 weight parts; There is obvious temperature and raise in material, reaches 83 DEG C after tested.The hydraulic pressure briquetting press of 400 tons adopts 3.15t/cm 2under pressure condition, the mixture obtained in paddle agitator is carried out briquetting, so that obtaining diameter is 110 millimeters, every block weight is 1.8 kilograms, density 5.36g/cm 3nickeliferous solid particulate briquetting; Products obtained therefrom need not be dried, and directly can send in electric arc furnace and carry out molten point of smelting, to obtain Rhometal after being stored up 3 hours.
Embodiment 2
There is provided red soil nickel ore to grind and select product, mean particle size is 75 microns, and water content is 0.74 % by weight.
In paddle agitator, select product to mix on gear oil and mill and stir 90 minutes, wherein, select product based on 100 weight part mills, the consumption of gear oil is 0.3 weight part; To in paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on 100 weight part mills, the consumption of white lime is 3.6 weight parts; To in paddle agitator, add syrup waste liquid and carry out batch mixing 3 minutes, wherein, select product based on 100 weight part mills, the consumption of syrup waste liquid is 6.0 weight parts; There is obvious temperature and raise in material, reaches 83 DEG C after tested.The hydraulic pressure briquetting press of 400 tons adopts 3.15t/cm 2under pressure condition, the mixture obtained in paddle agitator is carried out briquetting, so that obtaining diameter is 110 millimeters, every block weight is 1.7 kilograms, density 4.95g/cm 3nickeliferous solid particulate briquetting; Products obtained therefrom need not be dried, and directly can send in electric arc furnace and carry out molten point of smelting, to obtain Rhometal after being stored up 3 hours.
Embodiment 3
There is provided red soil nickel ore to grind and select product, mean particle size is 75 microns, and water content is 0.56 % by weight.
In paddle agitator, select product to mix on gear oil and mill and stir 90 minutes, wherein, select product based on 100 weight part mills, the consumption of gear oil is 0.3 weight part; To in paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on 100 weight part mills, the consumption of white lime is 3.6 weight parts; To in paddle agitator, add syrup waste liquid and carry out batch mixing 3 minutes, wherein, select product based on 100 weight part mills, the consumption of syrup waste liquid is 6.0 weight parts; There is obvious temperature and raise in material, reaches 83 DEG C after tested.The hydraulic pressure briquetting press of 400 tons adopts 3.15t/cm 2under pressure condition, the mixture obtained in paddle agitator is carried out briquetting, so that obtaining diameter is 110 millimeters, every block weight is 1.5 kilograms, density 4.79g/cm 3nickeliferous solid particulate briquetting; Products obtained therefrom need not be dried, and directly can send in electric arc furnace and carry out molten point of smelting, to obtain Rhometal after being stored up 3 hours.
Embodiment 4
There is provided red soil nickel ore to grind and select product, mean particle size is 75 microns, and water content is 0.54 % by weight.
In paddle agitator, select product to mix on gear oil and mill and stir 90 minutes, wherein, select product based on 100 weight part mills, the consumption of gear oil is 0.3 weight part; To in paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on 100 weight part mills, the consumption of white lime is 3.6 weight parts; To in paddle agitator, add syrup waste liquid and carry out batch mixing 3 minutes, wherein, select product based on 100 weight part mills, the consumption of syrup waste liquid is 6.0 weight parts; There is obvious temperature and raise in material, reaches 83 DEG C after tested.The hydraulic pressure briquetting press of 400 tons adopts 3.15t/cm 2under pressure condition, the mixture obtained in paddle agitator is carried out briquetting, so that obtaining diameter is 110 millimeters, every block weight is 1.6 kilograms, density 4.86g/cm 3nickeliferous solid particulate briquetting; Products obtained therefrom need not be dried, and directly can send in electric arc furnace and carry out molten point of smelting, to obtain Rhometal after being stored up 3 hours.
Comparative example 1
In paddle agitator, be that nickeliferous solid particulate and the sodium silicate binder of less than 75 microns stirs 6 ~ 10 minutes by the mean particle size obtained by step (1).Wherein, select product based on 100 weight part mills, the add-on of sodium silicate binder is 7 weight parts.Then on the hydraulic pressure briquetting press of 400 tons, 4t/cm is adopted 2under pressure condition, the mixture obtained in paddle agitator is carried out briquetting.
Evaluation method
Respectively the water content of the nickeliferous solid particulate briquetting prepared in embodiment 1-4 and comparative example 1, density and intensity are measured.Result is as table 1.
Table 1
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.

Claims (12)

1. prepare a method for nickeliferous solid particulate briquetting, it is characterized in that, comprising:
(1) provide nickeliferous solid particulate, the mean particle size of described nickeliferous solid particulate is less than 75 microns;
(2) utilize organic coating agent, coated process is carried out to described nickeliferous solid particulate;
(3) mixed with binding agent by the nickeliferous solid particulate through coated process obtained in step (2), wherein, described binding agent contains syrup and white lime; And
(4) mixture obtained in step (3) is carried out briquetting process, to obtain described nickeliferous solid particulate briquetting.
2. method according to claim 1, is characterized in that, in described nickeliferous solid particulate, the grain graininess of 90% is less than 75 microns.
3. want the method described in 1 according to right, it is characterized in that, described nickeliferous solid particulate obtains through the following steps:
In rotary hearth furnace, direct-reduction is carried out to red soil nickel ore, to obtain ferronickel reduzate; And
Described ferronickel reduzate is carried out ball milling and magnetic separation, to obtain described nickeliferous solid particulate.
4. method according to claim 1, is characterized in that, described organic coating agent is liquid hydrocarbons under comprising normal temperature.
5. method according to claim 1, is characterized in that, described organic coating agent is liquid alkane under comprising normal temperature.
6. method according to claim 1, is characterized in that, described organic coating agent is lubricating oil.
7. method according to claim 1, is characterized in that, described organic coating agent is gear oil.
8. method according to claim 1, is characterized in that, described organic coating agent is waste and old gear oil.
9. method according to claim 1, is characterized in that, described syrup is the syrup waste liquid of sugar industry.
10. method according to claim 1, is characterized in that, based on the described nickeliferous solid particulate of 100 weight parts, the consumption of described organic coating agent is 0.3 weight part, and the consumption of described syrup is 6 weight parts, and the consumption of described white lime is 3.6 weight parts.
11. 1 kinds of methods preparing Rhometal, is characterized in that, comprising:
By the method described in any one of claim 1 ~ 10, prepare nickeliferous solid particulate briquetting; And
In electric arc furnace, molten point is carried out to described nickeliferous solid particulate briquetting and smelts, to obtain Rhometal.
12. methods according to claim 11, is characterized in that comprising:
Red soil nickel ore is carried out fragmentation, and carries out direct-reduction, to obtain spongy ferronickel reduzate with rotary hearth furnace to through broken red soil nickel ore;
Described spongy ferronickel reduzate is carried out ball milling and magnetic separation, obtains mill and select product;
In paddle agitator, select product to mix gear oil and stir 90 minutes with described mill, wherein, select product based on mill described in 100 weight parts, the consumption of described gear oil is 0.3 weight part;
To in described paddle agitator, add white lime and be dry mixed 3 minutes, wherein, select product based on mill described in 100 weight parts, the consumption of described white lime is 3.6 weight parts;
To in described paddle agitator, add syrup and carry out batch mixing 3 minutes, wherein, select product based on mill described in 100 weight parts, the consumption of described syrup is 6.0 weight parts;
In hydraulic pressure briquetting press, at 3.15t/cm 2pressure under, the mixture obtained in described paddle agitator is carried out briquetting, to obtain nickeliferous solid particulate briquetting; Described nickeliferous solid particulate briquetting is joined in electric arc furnace and carries out molten point of smelting, to obtain Rhometal.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1101678A (en) * 1993-06-21 1995-04-19 奥地利钢铁联全企业阿尔帕工业设备制造公司 A method of producing cold-moulded iron-containing briquettes
EP1184469A2 (en) * 2000-08-28 2002-03-06 SMS Demag AG Process for the treatment of metal values containing dust from steelmaking
CN101133170A (en) * 2005-02-24 2008-02-27 Bhp比利通Ssm技术有限公司 Production of ferronickel
CN101146919A (en) * 2005-03-21 2008-03-19 Ati资产公司 Formed articles including master alloy, and methods of making and using the same
CN101680050A (en) * 2007-05-15 2010-03-24 浦项产业科学研究院 Method of manufacturing fe and ni containing material, ferronickel mass using the fe and ni containing material and method for manufacturing the ferronickel mass
CN102015542A (en) * 2008-02-08 2011-04-13 维尔英科有限公司 Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors
CN102282108A (en) * 2008-04-16 2011-12-14 瓦勒股份有限公司 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8557019B2 (en) * 2008-02-08 2013-10-15 Vale Inco Limited Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1101678A (en) * 1993-06-21 1995-04-19 奥地利钢铁联全企业阿尔帕工业设备制造公司 A method of producing cold-moulded iron-containing briquettes
US5505903A (en) * 1993-06-21 1996-04-09 Voest-Alpine Industrieanlagenbau Gmbh Method of producing cold-moulded iron-containing briquettes
EP1184469A2 (en) * 2000-08-28 2002-03-06 SMS Demag AG Process for the treatment of metal values containing dust from steelmaking
CN101133170A (en) * 2005-02-24 2008-02-27 Bhp比利通Ssm技术有限公司 Production of ferronickel
CN101146919A (en) * 2005-03-21 2008-03-19 Ati资产公司 Formed articles including master alloy, and methods of making and using the same
CN101680050A (en) * 2007-05-15 2010-03-24 浦项产业科学研究院 Method of manufacturing fe and ni containing material, ferronickel mass using the fe and ni containing material and method for manufacturing the ferronickel mass
CN102015542A (en) * 2008-02-08 2011-04-13 维尔英科有限公司 Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors
CN102282108A (en) * 2008-04-16 2011-12-14 瓦勒股份有限公司 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate

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