CN203307404U - Molybdenum concentrate purifying device - Google Patents
Molybdenum concentrate purifying device Download PDFInfo
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- CN203307404U CN203307404U CN2013201517285U CN201320151728U CN203307404U CN 203307404 U CN203307404 U CN 203307404U CN 2013201517285 U CN2013201517285 U CN 2013201517285U CN 201320151728 U CN201320151728 U CN 201320151728U CN 203307404 U CN203307404 U CN 203307404U
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Abstract
The utility model belongs to the technical field of purification and impurity removal of nonferrous metals, and in particular relates to a molybdenum concentrate purifying device. The molybdenum concentrate purifying device provided by the utility model comprises a furnace body of a heating furnace, a material loading system, a heat exchange system, a vacuum system and an electric system. The device provided by the utility model is advanced in process flow and agile; the process flow is simplified, and the production efficiency is improved; the device is reasonable in structure and suitable for operation on a large scale, and the power consumption is reduced; flotation oil is recycled; the device operates in a vacuum and sealed condition, and material loss is avoided.
Description
Technical field
The utility model includes non-ferrous metal purification impurity removing technology field, is specifically related to a kind of concentrated molybdenum ore purifying plant.
Background technology
Molybdenumdisulphide is a kind of good solid lubricant, has good vacuum-resistant, high temperature resistant, resistance to compression and the stable characteristics such as chemical property, is widely used in the industries such as space flight, aviation, chemical industry, metallurgy.
At present, the normal standby molybdenumdisulphide of natural legal system that adopts, at first roughly select natural molybdenum glance output molybdenum rough concentrate, the molybdenum rough concentrate segmentation multistage selected concentrated molybdenum ore that obtains of regrinding, then the high-quality concentrated molybdenum ore of take is raw material, through removal of impurities purification schemes such as de-oiling, Chemical Leachings, obtains the molybdenumdisulphide of different purity.
In preparing the molybdenumdisulphide process, concentrated molybdenum ore through selected acquisition generally contains 5 ~ 6% moisture and flotation finish, particularly kerosene and pine camphor oil, as not de-oiling, directly carry out Chemical Leaching, the flotation finish not only can not efficient recovery, and affects Chemical Leaching efficiency, cause exhaust emission, therefore before Chemical Leaching, be necessary concentrated molybdenum ore is carried out to dry de-oiling, the oil removed returns to the cleaning technological flowasheet utilization, to realize resource reutilization.In conventional removal of impurities de-oiling flow process, can adopt the physical oil-removing method of Solvent degreasing, also can adopt the electrochemical deoiling method of dipping, but because the concentrated molybdenum ore granularity is less, the organic solvent or the soaker that in degreasing process, use are difficult to Ex-all, and these deoiling methods all may introduce new impurity component, cause new pollution, the oil obtained also is difficult to return selected recycling.Because kerosene becomes the oil gas effusion with pine camphor oil in the vapour pressure that can reach capacity below 400 ℃, realize separating, therefore can adopt the method for evaporation to carry out dry de-oiling to concentrated molybdenum ore.
In addition, in concentrated molybdenum ore, contain 1 ~ 2%Fe, wherein part exists with pyrrhotite (FeS) form, and part is with pyrite (FeS
2) the form existence, in the Chemical Leaching process, following reaction: FeS+2HCl → FeCl occurs because being dissolved in acid in FeS
2+ H
2S ↑, so the Fe in pyrrhotite can same Ca, Cu, Pb, SiO
2Deng not having an impurity composition one of lubricity, do not reinstate chemical substance and leach and separate and remove; On the contrary, FeS
2In acid, because having chemical stability, can not remove by the Chemical Leaching means, affect the purity of product molybdenumdisulphide.So, before concentrated molybdenum ore is carried out to Chemical Leaching, also be necessary the FeS in concentrated molybdenum ore
2Composition is processed, and makes FeS wherein
2Be converted into the molten FeS of theobromine, its reaction is: FeS
2→ FeS+S, reaction is carried out under vacuum condition, and sulphur (S) is separated with vapor form, and this process namely is called the impurity sex change; Existing research discovery, in the concentrated molybdenum ore purification process, the temperature of impurity sex change is 540 ℃ of left and right.
In purification removal of impurities process in the past, dry de-oiling and the impurity sex change of concentrated molybdenum ore are usually carried out respectively, namely adopt the heater meanses such as conventional heating or electromagnetic induction heating first concentrated molybdenum ore to be carried out to dry de-oiling, collect respectively finish and de-oiling concentrated molybdenum ore, then the concentrated molybdenum ore of de-oiling is placed under vacuum condition and carries out the impurity sex change, with the purifying molybdenum concentrate.The problem that this conventional treatment method exists has: 1, in dry degreasing process, because non-closed-loop operation will inevitably produce loss of material; 2, the concentrated molybdenum ore after dry de-oiling need first be cooled under normal temperature and be placed in heat denatured under vacuum condition again, and the middle discharging treating processes of feeding again is loaded down with trivial details, produces manpower and materials consumption; 3, because treatment capacity in practice is huge, equipment is huge, and iron contamination component content low (generally below 1%), impurity sex change cost is higher, and enterprise does not simply carry out the impurity sex change and directly carries out Chemical Leaching sometimes, can only obtain being mixed with FeS
2The molybdenumdisulphide of somewhat lower purity, affected selling price and the market competitiveness.
The main component of concentrated molybdenum ore is molybdenumdisulphide, molybdenumdisulphide is good wave absorbtion material, can utilize microwave to heat concentrated molybdenum ore purifies, because microwave heating has very strong penetration, reaching material inside makes the material internal temperature rise rapidly, thereby inner composition freely discharged and reach the purpose of removing or extracting composition, can greatly improve speed of response.
The utility model content
The purpose of this utility model is to provide a kind of concentrated molybdenum ore purifying plant; The utility model technical process advanced person, and have handiness; Process simplification, enhance productivity; Device structure is reasonable, is applicable to operation in enormous quantities; Reduced power consumption; Realize the recycling of flotation oil; The vacuum seal operation, the material free of losses.
The utility model is that the technical scheme that solves the problems of the technologies described above employing is:
A kind of concentrated molybdenum ore purifying plant is characterized in that:
Described concentrated molybdenum ore purifying plant includes heating furnace body, material containing system, heat-exchange system, vacuum system and electrical system;
Described heating furnace body is the horizontal metal cylinder, fire door after the heating furnace body tail end arranges process furnace, at the heating furnace body top, some groups of microwave generators are set, each microwave generator includes magnetron, diode, transformer and the waveguide of electrical connection, in the heating furnace body sidewall spacers, 2 ~ 4 pneumatic outlets is set;
Described material containing system includes fire door before horizontal feed bin, track and process furnace, and described horizontal feed bin front end is connected in before process furnace on fire door, and before described process furnace, fire door be and heating furnace body split setting, and the structure that can move with respect to heating furnace body;
Described heat-exchange system includes housing, upper cover, lower cover, heat transfer tube, the outlet of oil and gas import liquid oils, cooling medium inlet, heat-eliminating medium outlet and vacuum orifice; Described cooling medium inlet, heat-eliminating medium outlet are communicated with heat transfer tube; Oil and gas import is communicated with the pneumatic outlet of heating furnace body, and vacuum orifice is communicated with vacuum system;
Described electrical system arranges regulator cubicle and PLC programmable control system.
Described material containing system is provided with whipping appts, described whipping appts includes agitator motor and stir shaft, the described blade that is fixed with on stir shaft, described stir shaft extends in horizontal feed bin and the horizontal feed bin of perforation, adopt whipping appts upset material, concentrated molybdenum ore is heated evenly, shortens the purification time.
Described blade is the duplex agitating vane, the huge whipping force of helical mixing blade can realize at short notice that the violent of concentrated molybdenum ore fully stirs, keep material in feed bin, to become boiling state, be beneficial to concentrated molybdenum ore and be heated evenly, realize fast dry de-oiling and impurity sex change.
Described horizontal feed bin inboard has the liner of being made by the silicon-dioxide sintered ceramic, and the metallic surface with the level of protection feed bin, prevent materials from bonding, and have insulation effect.
Before described process furnace, fire door is placed on the support with pulley, and corresponding described pulley is provided with the track for its slip, so that before process furnace, fire door can move with respect to heating furnace body.
The diode of described microwave generator, transformer and waveguide are concentrated and are placed in set protective guard; the diode that the magnetron of described microwave generator is corresponding with it, transformer and waveguide are communicated with by high-tension circuit; can avoid so the acid or alkaline atmosphere crevice corrosion in these electric elements of diode, transformer and waveguide of microwave generator and Working environment, extension device work-ing life.
In concentrated molybdenum ore purifying plant of the present utility model, fire door after process furnace, the power supply of microwave generator, temperature thermocouple in heating furnace body, track all is communicated with regulator cubicle by pipeline, by the PLC programmable control system, the horizontal feed bin that is loaded with material moves in orbit by pulley and carries out split or combination with heating furnace body, during combination after flange seal connects, horizontal feed bin namely is placed in the airtight cavity of heating furnace body, open microwave heating, the concentrated molybdenum ore material constantly absorbs micro-wave energy and is rapidly heated, temperature thermocouple in heating furnace body constantly feeds back temperature conditions in stove to electrical system, under the effect of microwave heating and vacuum system, flotation finish in material constantly becomes steam and flows out from the pneumatic outlet of heating-furnace body sidewall, enter cooling liquefaction in heat-exchange system and become liquid oils, from the liquid oils outlet, collect, the oil of collecting can return to flotation flowsheet and carry out reuse, after the liquid oils outlet was flowed out without oil, dry de-oiling flow process finished, and continued microwave heating and made the concentrated molybdenum ore material be warming up to iron modified temperature, carried out the iron contamination sex change, and the sulphur steam of generation enters the cooling collection of heat-exchange system and gets off.
Under vacuum condition, while adopting concentrated molybdenum ore purifying plant of the present utility model to carry out the concentrated molybdenum ore purification, at least comprise the following steps: the first step, adopt microwave heating, at 200 ~ 400 ℃, the concentrated molybdenum ore raw material is carried out to dry de-oiling, the oil of sloughing enters heat-exchange system cooling liquefaction, and collects from the liquid oils outlet oil flowed out; Second step, after the liquid oils outlet is flowed out without oil, continue microwave heating and be warming up to 535 ~ 700 ℃, is incubated 1 ~ 6 hour, makes the iron contamination sex change in the concentrated molybdenum ore raw material.Further, in micro-wave drying de-oiling and microwave heating impurity denaturation process, all adopt whipping appts upset material, concentrated molybdenum ore is heated evenly, to shorten dry de-oiling and impurity sex change time.
In addition, while adopting concentrated molybdenum ore purifying plant of the present utility model to carry out the concentrated molybdenum ore purification, can be according in production practice, needing oil content situation, iron contamination content situation in the concentrated molybdenum ore of purifying raw material rationally to adjust dry de-oiling and impurity sex change time, when concentrated molybdenum ore is dried in the situation that oil content is very low, oil gas evaporation is very slow, can first be incubated for some time as 2 ~ 15 hours, after de-oiling to be dried relatively thoroughly, start again heat temperature raising and carry out the impurity sex change.
The concentrated molybdenum ore purifying plant the utility model proposes, adopt technique scheme, produces following beneficial effect:
The first, the technical process advanced person, and have handiness
The utility model utilizes molybdenumdisulphide in concentrated molybdenum ore can absorb the characteristics of micro-wave energy, adopts microwave heating under vacuum environment, and the flotation finish in concentrated molybdenum ore, than i.e. evaporation under low-steam pressure, becoming gaseous hydrocarbon, separates and sloughs through heat-exchange system; Concentrated molybdenum ore after de-oiling does not need cooling and discharging again, charging, but continues to be heated under the impurity denaturation temperature to carry out the sex change upgrading, has realized the combination of dry de-oiling and impurity sex change, the technical process advanced person; And, in purification process, can adjust according to oleaginousness situation, iron contamination ratio situation in concentrated molybdenum ore the time of dry de-oiling flow process or impurity sex change flow process, to the extremely low concentrated molybdenum ore raw material that needn't carry out the sex change upgrading of iron contamination content, also can only carry out dry de-oiling purification schemes, can select flexibly according to raw material and the condition of production;
The second, process simplification, enhance productivity
The dry de-oiling of the concentrated molybdenum ore that the utility model will carry out respectively in the past and impurity sex change flow process combine, in a set of equipment for purifying, only by adjusting the parameters such as microwave heating temperature, vacuum tightness, de-oiling and impurity sex change have namely been realized, simplified technological process, reduce raw material cooling loss after microwave drying, reduced the manpower and materials that miscellaneous operation process that middle discharging feeds again causes and drop into and the activity duration, thereby improved production efficiency;
The 3rd, device structure is reasonable, is applicable to operation in enormous quantities
Equipment for purifying of the present utility model includes heating furnace body, the material containing system, heat-exchange system, vacuum system and electrical system, by microwave generator is set on heating furnace body, in the material containing system, establish the structures such as horizontal feed bin and whipping appts, make in purification process to carry out the material stirring upset in microwave heating, thermally equivalent, the sulphur steam that the oil gas of evaporation and sex change upgrading produce is all discharged process furnace by pneumatic outlet, accelerate dry de-oiling and sex change upgrading process, device structure is reasonable, track and whipping appts that the material containing system arranges, make every batch processed amount can 3 tons and more than, the present situation that is applicable to the operation in enormous quantities of non-ferrous metal industry, improve operating efficiency,
The 4th, the utility model has utilized the good microwave absorbing property of molybdenumdisulphide, and in operating process, the molybdenumdisulphide in the concentrated molybdenum ore material constantly absorbs micro-wave energy and is rapidly heated, and material is from self pocketed heat, and itself does not generate heat body of heater, has reduced power consumption;
The 5th, the utility model has been realized the recycling of flotation finish;
The 6th, the utility model adopts the vacuum seal operation, loss of material is down to minimum.
The accompanying drawing explanation
Fig. 1 is concentrated molybdenum ore equipment for purifying overall structure schematic diagram of the present utility model;
Fig. 2 be in the concentrated molybdenum ore equipment for purifying of Fig. 1 under heating furnace body and material containing system split state A to view;
Fig. 3 be in the concentrated molybdenum ore equipment for purifying of Fig. 1 under heating furnace body and material containing system in combination state A to view;
Fig. 4 be in Fig. 3 C-C to view;
Fig. 5 be in the concentrated molybdenum ore equipment for purifying of Fig. 1 under heating furnace body and material containing system in combination state B to view.
In figure: 10, heating furnace body, 11, microwave generator, 12, fire door before process furnace, 13, agitator motor, 14, viewing window, 15, support, 16, track, 17, fire door after process furnace, 18, the pipeline I, 19, the pipeline II, 20, heat-exchange system, 21, housing, 22, oil and gas import, 23, lower cover, 24, the heat-eliminating medium outlet, 25, upper cover, 26, vacuum orifice, 27, cooling medium inlet, 28, the liquid oils outlet, 29, the pipeline III, 30, vacuum system, 31, stir shaft, 32, pulley, 33, horizontal feed bin, 34, pneumatic outlet, 35, blade, 36, flange, 37, regulator cubicle, 38, liner.
Embodiment
Below in conjunction with drawings and Examples, describe the technical solution of the utility model in detail, but the technical solution of the utility model includes but not limited to this.
As shown in Figure 1, concentrated molybdenum ore equipment for purifying of the present utility model comprises heating furnace body 10, material containing system, heat-exchange system 20, vacuum system 30 and electrical system, wherein under heating furnace body 10 and material containing system split state A to view as shown in Figure 2, the equipment concrete structure is:
The material containing system includes horizontal feed bin 33, track 16, the front fire door 12 of process furnace and whipping appts, horizontal feed bin 33 front ends are welded on the front fire door 12 of process furnace, fire door 12 and heating furnace body 10 split settings before process furnace, before process furnace, fire door 12 is placed on the support 15 with pulley 32, pulley 32 is provided with the track 16 for its slip, and the front fire door 12 of process furnace can be moved with respect to heating furnace body 10; Whipping appts comprises agitator motor 13, stir shaft 31, on stir shaft 31, be fixed with blade 35, the junction of the front fire door 12 of stir shaft 31 and process furnace is provided with mechanical sealing member and carries out shaft seal, reveals in heating furnace body with the air that prevents working space under working order; Before process furnace, be provided with viewing window 14 on fire door 12, be convenient to observe the condition of production in process furnace;
Heat-exchange system 20 includes housing 21, upper cover 25, lower cover 23, heat transfer tube, oil and gas import 22, liquid oils outlet 28, cooling medium inlet 27, heat-eliminating medium outlet 24 and vacuum orifice 26, and wherein cooling medium inlet 27, heat-eliminating medium outlet 24 are communicated with heat transfer tube; Oil and gas import 22 is communicated with heating furnace body 10 by pipeline II 19, pipeline I 18, and vacuum orifice 26 is communicated with vacuum system 30 by pipeline III 29;
Electrical system is provided with regulator cubicle 37 and PLC programmable control system, in the present embodiment, temperature thermocouple, whipping appts after process furnace in the power supply of fire door 17, microwave generator 11, heating furnace body 10 all are communicated with regulator cubicle 37 by corresponding pipeline, control by the PLC programmable control system.
Figure 3 shows that in the concentrated molybdenum ore equipment for purifying of Fig. 1 under heating furnace body 10 and material containing system in combination state that A is to view, Fig. 4 be in Fig. 3 C-C to view, as Fig. 3 and Fig. 4, under assembled state, the front fire door 12 of process furnace is tightly connected by flange 36 with heating furnace body 10, make process furnace become airtight cavity, horizontal feed bin 33 is arranged in the process furnace cavity, and stir shaft 31 extends in horizontal feed bin 33 and the horizontal feed bin of perforation 33 front and back; In the present embodiment, blade 35 is the duplex blade, with the strengthening mixing effect; Horizontal feed bin 33 inwalls are provided with the liner 38 that the silicon-dioxide sintered ceramic is made, with insulation level of protection feed bin 33.
Fig. 5 be in the concentrated molybdenum ore equipment for purifying of Fig. 1 under heating furnace body 10 and material containing system in combination state B to view, as shown in Figure 5, be provided with 3 pneumatic outlets 34 in heating furnace body 10 sidewall spacers; I 18, pipeline II 19 are communicated with the oil and gas import 22 of heat-exchange system 20 pneumatic outlet 34 by the road respectively.
Embodiment 1:
Raw material: concentrated molybdenum ore, chemical composition is in Table 1.
The chemical composition of table 1 concentrated molybdenum ore (wt%)
| Mo | SiO 2 | As | Sn | P | Cu | Pb | CaO | Fe | Profit |
| 47 | 11.0 | 0.06 | 0.05 | 0.04 | 0.26 | 0.31 | 2.50 | 0.95 | 5.42 |
Equipment: overall structure such as Fig. 1, heating furnace body diameter 1.8m, long 6.2m, the long 6m of feed bin, microwave generator is 4 groups, and total power 72KW is equipped with viewing window at the front fire door of process furnace, rear fire door, electric control system is located in regulator cubicle, controls microwave heating, controls the front fire door of process furnace and feed bin and heating furnace body split or combination; Heat-exchange system adopts recirculated water to make heat transferring medium.
Adopt equipment for purifying shown in Figure 1 to carry out the concrete Production Flow Chart of the dry de-oiling of concentrated molybdenum ore and impurity sex change as follows:
1, loaded material: by raw material concentrated molybdenum ore load level feed bin;
2, combination: open electrical system, before the process furnace on the pulley driving support, fire door and horizontal feed bin enter in heating furnace body, flange seal;
3, dry de-oiling: microwave generator is started working, open simultaneously whipping appts, heat-exchange system and vacuum system, concentrated molybdenum ore in process furnace is constantly overturn and heat temperature raising, when temperature was increased to the finish vaporization temperature, the finish start vaporizer in concentrated molybdenum ore also constantly entered the heat-exchange system heat exchange, flows out and collects from the liquid oils outlet, after the liquid oils outlet is flowed out without oil, be incubated approximately 2.5 hours, complete dry de-oiling, the oil of collection returns to the flotation flowsheet reuse;
4, impurity sex change: microwave generator continue to heat up, and starts the impurity sex change to iron contamination denaturation temperature in raw material, decomposes the sulphur steam produced and enters heat-exchange system and cool down, and after the impurity sex change finished, microwave generator quit work;
5, split: stop vacuum system, heat-exchange system and whipping appts, after material is cooled to room temperature, fire door and feed bin and heating furnace body split before the process furnace on the pulley driving support;
6, discharging: shed the concentrated molybdenum ore after the de-oiling modification in feed bin, material is introduced subsequent chemistry and is leached the removal of impurities flow process; The heat transferring medium of switching heat-exchange system is that the thermal oil of 120 ℃ makes sulphur liquefaction, collects molten sulfur from the liquid oils outlet.
Situ production practice through nearly 1 year shows, adopt concentrated molybdenum ore equipment for purifying of the present utility model, process the concentrated molybdenum ore of 3 tons, a stove, can make oil content in concentrated molybdenum ore be reduced to 0.05%, iron level after impurity sex change and Chemical Leaching is below 0.20%, and quality product promotes, and the market competitiveness increases greatly, power consumption, than adopting conventional induction heating to reduce more than 28%, has improved the economic benefit of enterprise.
It should be noted that: mentioned but equipment that do not describe in detail all adopts the existing installation in described field in this specification sheets, as long as can realize the function described in the utility model.
Claims (6)
1. concentrated molybdenum ore purifying plant is characterized in that:
Described concentrated molybdenum ore purifying plant includes heating furnace body (10), material containing system, heat-exchange system (20), vacuum system (30) and electrical system;
Described heating furnace body (10) is the horizontal metal cylinder, fire door (17) after heating furnace body (10) tail end arranges process furnace, at heating furnace body (10) top, some groups of microwave generators (11) are set, each microwave generator (11) includes magnetron, diode, transformer and the waveguide of electrical connection, in heating furnace body (10) sidewall spacers, 2 ~ 4 pneumatic outlets (34) is set;
Described material containing system includes the front fire door (12) of horizontal feed bin (33), track (16) and process furnace, described horizontal feed bin (33) front end is connected on the front fire door (12) of process furnace, before described process furnace, fire door (12) is and heating furnace body (10) split setting, and structure that can be mobile with respect to heating furnace body (10);
Described heat-exchange system (20) includes housing (21), upper cover (25), lower cover (23), heat transfer tube, oil and gas import (22), liquid oils outlet (28), cooling medium inlet (27), heat-eliminating medium outlet (24) and vacuum orifice (26); Described cooling medium inlet (27), heat-eliminating medium outlet (24) are communicated with heat transfer tube; Oil and gas import (22) is communicated with the pneumatic outlet (34) of heating furnace body (10), and vacuum orifice (26) is communicated with vacuum system (30);
Described electrical system arranges regulator cubicle (37) and PLC programmable control system.
2. a kind of concentrated molybdenum ore purifying plant according to claim 1, it is characterized in that: described material containing system is provided with whipping appts, described whipping appts includes agitator motor (13) and stir shaft (31), on described stir shaft (31), be fixed with blade (35), described stir shaft (31) extends in horizontal feed bin (33) and connects horizontal feed bin (33).
3. a kind of concentrated molybdenum ore purifying plant according to claim 2, it is characterized in that: described blade (35) is the duplex agitating vane.
4. a kind of concentrated molybdenum ore purifying plant according to claim 1, it is characterized in that: described horizontal feed bin (33) inboard has the liner (38) of being made by the silicon-dioxide sintered ceramic.
5. a kind of concentrated molybdenum ore purifying plant according to claim 1 is characterized in that: before described process furnace, fire door (12) is placed on the support (15) of band pulley (32), and corresponding described pulley (32) is provided with the track (16) for its slip.
6. a kind of concentrated molybdenum ore purifying plant according to claim 1; it is characterized in that: diode, transformer and the waveguide of described microwave generator (11) concentrated and is placed in set protective guard, and diode, transformer and waveguide that the magnetron of described microwave generator (11) is corresponding with it are communicated with by high-tension circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201517285U CN203307404U (en) | 2013-03-29 | 2013-03-29 | Molybdenum concentrate purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201517285U CN203307404U (en) | 2013-03-29 | 2013-03-29 | Molybdenum concentrate purifying device |
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| CN203307404U true CN203307404U (en) | 2013-11-27 |
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| CN2013201517285U Withdrawn - After Issue CN203307404U (en) | 2013-03-29 | 2013-03-29 | Molybdenum concentrate purifying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194623A (en) * | 2013-03-29 | 2013-07-10 | 嵩县开拓者钼业有限公司 | Method and device for purifying molybdenum concentrate |
| CN104475271A (en) * | 2014-12-12 | 2015-04-01 | 内蒙古中西矿业有限公司 | System and method for recycling molybdenum concentrate flotation agent |
| CN111270069A (en) * | 2019-09-19 | 2020-06-12 | 廊坊市中铁物探勘察有限公司 | Molybdenum concentrate production process |
-
2013
- 2013-03-29 CN CN2013201517285U patent/CN203307404U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194623A (en) * | 2013-03-29 | 2013-07-10 | 嵩县开拓者钼业有限公司 | Method and device for purifying molybdenum concentrate |
| CN103194623B (en) * | 2013-03-29 | 2015-02-25 | 嵩县开拓者钼业有限公司 | Method and device for purifying molybdenum concentrate |
| CN104475271A (en) * | 2014-12-12 | 2015-04-01 | 内蒙古中西矿业有限公司 | System and method for recycling molybdenum concentrate flotation agent |
| CN111270069A (en) * | 2019-09-19 | 2020-06-12 | 廊坊市中铁物探勘察有限公司 | Molybdenum concentrate production process |
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