CN107287416A - Wet-process metallurgy method and gas-liquid-solid three-phase wet method reactor - Google Patents
Wet-process metallurgy method and gas-liquid-solid three-phase wet method reactor Download PDFInfo
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- CN107287416A CN107287416A CN201710506277.5A CN201710506277A CN107287416A CN 107287416 A CN107287416 A CN 107287416A CN 201710506277 A CN201710506277 A CN 201710506277A CN 107287416 A CN107287416 A CN 107287416A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02P10/20—Recycling
Abstract
The invention discloses a kind of Wet-process metallurgy method and gas-liquid-solid three-phase wet method reactor, belong to technical field of wet metallurgy, cause the problems such as gas-contact area is small to be designed greatly to solve existing method bubble volume.Wet-process metallurgy method of the present invention inserts metallurgical material in reaction kettle body, is supplied gas by aeration head into metallurgical material, shearing-crushing is carried out to the bubble produced by aeration head, to obtain the minute bubbles for increasing gas-contact area.Gas-liquid-solid three-phase wet method reactor of the present invention includes canned reaction kettle body, and middle part or bottom in reaction kettle body are provided with aeration head, disc turbine oar are provided with above aeration head；Disc turbine oar is arranged on the bottom of agitating device and can rotated with agitating device, by the bubble shearing-crushing produced by aeration head into the smaller bubble of volume.Wet-process metallurgy method of the present invention and gas-liquid-solid three-phase wet method reactor increase the contact surface of gas, improve utilization rate, cost is lower, enhance gas-liquid-solid three-phase mixing mass transfer.
Description
Technical field
The present invention relates to technical field of wet metallurgy, more particularly to a kind of Wet-process metallurgy method and for performing the wet method
The gas-liquid-solid three-phase wet method reactor of metallurgical method.
Background technology
Hydrometallurgy be by metalliferous mineral raw material in acid medium or the aqueous solution of alkaline medium, to be chemically treated or
Organic solvent extraction, separation impurity, the process for extracting metal and its compound, be a kind of mineral being in daily use decompose, extract and
Impurity removal process.
Hydrometallurgy needs to carry out in hydrometallurgy reactor, because existing, reaction medium viscosity is big, metalliferous mineral is close
The factor such as degree is big, causes to cause in hydrometallurgy process solid to be easy to sink to the bottom, gas-liquid-solid three-phase is insufficient contact, metalliferous mineral
Conversion ratio reduction etc..
The defect of existing hydrometallurgy reactor is：1st, the gas into hydrometallurgy reactor produces that bubble is big, contact
Face is small, causes gas effciency low；2nd, in the device of aeration head is provided with, there is dielectric viscosity causes greatly aeration head easily to block up
Plug, the problems such as gas diffusion is uneven.
The content of the invention
It is an object of the present invention to propose a kind of Wet-process metallurgy method for increasing gas interface.
It is another object of the present invention to propose that a kind of lower gas-liquid-solid three-phase wet method of the simpler, cost of operation is anti-
Answer device.
For up to this purpose, on the one hand, the present invention uses following technical scheme：
A kind of Wet-process metallurgy method, metallurgical material is inserted in reaction kettle body, by aeration head into the metallurgical material
Supply gas, shearing-crushing is carried out to the bubble produced by aeration head, to obtain the minute bubbles for increasing gas-contact area.
Particularly, during hydrometallurgy, the inlet pressure per 100kg metalliferous minerals is 0.3MPa-1MPa, gas
Temperature is 100 DEG C -260 DEG C；The gas flow of air inlet is 0.1m3/h-10m3/h。
On the other hand, the present invention uses following technical scheme：
A kind of gas-liquid-solid three-phase wet method reactor for performing above-mentioned Wet-process metallurgy method, including canned reaction kettle body,
Middle part or bottom in the reaction kettle body are provided with aeration head, and disc turbine oar is provided with above the aeration head；
The disc turbine oar is arranged on the bottom of agitating device and can rotated with the agitating device, will be produced by the aeration head
Bubble shearing-crushing into the smaller bubble of volume.
Particularly, be additionally provided with radial direction sieve plate in the reaction kettle body, the direction of the radial direction sieve plate extension with it is described
The axis direction of reaction kettle body is parallel, and positioned at the top of the aeration head；Multiple sieve apertures are provided with the radial direction sieve plate.
Further, a side of the radial direction sieve plate is attached on the madial wall of the reaction kettle body, and relative side is towards institute
State the axis direction of reaction kettle body；Width between above-mentioned two side of the radial direction sieve plate is the radial direction sieve plate inside diameter
1/15 to 1/10.
Particularly, the distance between inside bottom surface of the base of the radial direction sieve plate and the reaction kettle body is the reaction
The distance between the 1/15 to 1/7 of kettle cavity heights, the top margin of the radial direction sieve plate and inside top surface of the reaction kettle body
For the 1/5 to 3/5 of the reaction kettle body cavity heights.
Particularly, it is additionally provided with the reaction kettle body and pushes vane wheel oar, the vane wheel oar that pushes is arranged on stirring dress
Put and positioned at the top of the disc turbine oar, the vane wheel oar that pushes can be rotated with the agitating device.
Further, the agitating device includes the agitating shaft stretched into the reaction kettle body；The aeration head is arranged on institute
The lowermost end of agitating shaft is stated, the disc turbine oar is arranged on 1/10 to 1/7 place of the agitating shaft, and the vane wheel oar that pushes is set
Put at the 1/5 to 1/3 of the agitating shaft.
Particularly, the agitating device is hollow shaft-like structure；Gas feed is provided with the top of the agitating device
And/or steam inlet.
Particularly, be provided with the reaction kettle body charging aperture, material taking mouth, drain hole, temperature-measuring port, exhaust outlet and/or
Visor；Bottom pedal is provided with the bottom of the reaction kettle body, the material taking mouth and/or drain hole are located at the bottom pedal
In the region at place.
Wet-process metallurgy method of the present invention carries out shearing-crushing to the bubble produced by aeration head, to obtain being used for increasing gas
The minute bubbles of contact area, increase the contact surface of gas, improve utilization rate, operate simpler, cost lower, enhance
Gas-liquid-solid three-phase mixes mass transfer, realizes that gas-liquid-solid three-phase fully contacts mixing, reaction efficiency can be improved compared to traditional handicraft
10%-40%.
Gas-liquid-solid three-phase wet method reactor of the present invention is provided with disc turbine oar, disc turbine oar energy above aeration head
The bubble shearing-crushing for rotating to be produced by aeration head with agitating device realizes above-mentioned wet method smelting into the smaller bubble of volume
Golden method, operates simpler, cost lower.
Brief description of the drawings
Fig. 1 is the structural representation for the gas-liquid-solid three-phase wet method reactor that the preferred embodiment of the present invention is provided；
Fig. 2 is the top view of the reaction kettle body that the preferred embodiment of the present invention is provided and radial direction sieve-plate structure；
Fig. 3 is the top view for the reaction kettle body that the preferred embodiment of the present invention is provided；
Fig. 4 is the structural representation for the aeration head that the preferred embodiment of the present invention is provided.
In figure：
1st, reaction kettle body；2nd, aeration head；3rd, disc turbine oar；4th, agitating device；5th, radial direction sieve plate；6th, vane wheel oar is pushed；
7th, charging aperture；8th, material taking mouth；9th, drain hole；10th, temperature-measuring port；11st, exhaust outlet；12nd, visor；13rd, bottom pedal；41st, agitating shaft；
42nd, gas feed；43rd, steam inlet.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment：
This preferred embodiment discloses a kind of gas-liquid-solid three-phase wet method reactor.As shown in Figures 1 to 4, the gas-liquid-solid three-phase
Wet method reactor includes canned reaction kettle body 1, and middle part or bottom in reaction kettle body 1 are provided with aeration head 2, in aeration head
2 top is provided with disc turbine oar 3；Disc turbine oar 3 is arranged on agitating device 4 and can rotated with agitating device 4, will be by
The bubble shearing-crushing that aeration head 2 is produced is into the smaller bubble of volume.
Meanwhile, this preferred embodiment discloses a kind of Wet-process metallurgy method, passes through after metallurgical material is inserted in reaction kettle body 1
Aeration head 2 is supplied gas into metallurgical material, and shearing-crushing is carried out to the bubble produced by aeration head 2, to obtain being used for increasing gas
The minute bubbles of contact area.During hydrometallurgy, the inlet pressure per 100kg metalliferous minerals is 0.3MPa-1MPa,
Gas temperature is 100 DEG C -260 DEG C；The gas flow of air inlet is 0.1m3/h-10m3/h。
Disc turbine oar 3 is located at the top of aeration head 2 and can rotated under the drive of agitating device 4, for shearing-crushing
The bubble that aeration head 2 is produced, increases gas liquid interfacial area, improves gas effciency, it is adaptable to gas-liquid-solid in hydrometallurgy process
Phase reaction technique, especially can play good invigoration effect to gas reaction in high viscosity medium.
Disc turbine oar 3 is preferably six flat blade disc turbine, and more efficient to the shearing-crushing of bubble, shearing-crushing is obtained more
Thoroughly.Connected between agitating device 4 and motor by reductor and transmission device, motor is turned by frequency-variable controller control stirring
Speed.
As depicted in figs. 1 and 2, be additionally provided with radial direction sieve plate 5 in reaction kettle body 1, the direction that radial direction sieve plate 5 extends with it is anti-
Answer the axis direction of kettle 1 parallel, and positioned at the top of aeration head 2；Multiple equally distributed sieves are provided with radial direction sieve plate 5
Hole.Radial direction sieve plate 5 can further function as the effect shredded to the bubble in reactive material, further improve gas liquid interfacial area,
Gas effciency is improved, it is fully dispersed with contacting between promotion reacting gas, medium and metalliferous mineral, it is not easily blocked.
The specific mounting means and structure of radial direction sieve plate 5 are not limited, and can play the purpose of bubble crushing.It is preferred that, footpath
It is attached to a side of sieve plate 5 on the madial wall of reaction kettle body 1, the axis direction of relative side orientating reaction kettle 1；Radially sieve
Width between above-mentioned two side of plate 5 is the 1/15 to 1/10 of the inside diameter of radial direction sieve plate 5.
The distance between the base of radial direction sieve plate 5 and the inside bottom surface of reaction kettle body 1 are the 1/ of the cavity heights of reaction kettle body 1
15 to 1/7, the distance between the top margin of radial direction sieve plate 5 and the inside top surface of reaction kettle body 1 are the 1/ of the cavity heights of reaction kettle body 1
5 to 3/5；The diameter of sieve aperture is preferably 5mm-20mm；3 to 6 radial direction sieve plates 5 are provided with each reaction kettle body 1, all radially
Sieve plate 5 is radially uniformly arranged relative to the axis of reaction kettle body 1.
On the basis of said structure, it is additionally provided with reaction kettle body 1 and pushes vane wheel oar 6, is pushed vane wheel oar 6 and be arranged on
On agitating device 4 and positioned at the top of disc turbine oar 3, pushing vane wheel oar 6 can rotate with agitating device 4.
That is, the aeration agitation component that vane wheel oar 6, disc turbine oar 3 and aeration head 2 from top to bottom constitute three layers is pushed.
The bubble cutting and crushing that this combining structure can produce aeration head 2 reaches micron order；Push vane wheel oar 6 and enhance gas-liquid-solid
Three mix mass transfer, make liquid be sufficiently mixed admittedly, and solid particle is fully dispersed, realize the Maximum Contact of reacting gas and metalliferous mineral
Area, reaction effect is more preferable.
On the basis of said structure, agitating device 4 includes the agitating shaft 41 stretched into reaction kettle body 1；Aeration head 2 is set
In the lowermost end of agitating shaft 41, disc turbine oar 3 is arranged on 1/10 to 1/7 place of agitating shaft 41, pushes vane wheel oar 6 and is arranged on and stirs
Mix 1/5 to 1/3 place of axle 41.Wherein, aeration head 2 is connected by sealing connecting shaft joint, and aeration outlet diameter is 2~10mm.
Agitating shaft 41 can be hollow shaft-like structure or solid column structure.In agitating shaft 41 can be
During the shaft-like structure of sky, the top of agitating device 4 is provided with gas feed 42 and steam inlet 43.The setting energy of steam inlet 43
Effectively solve because reaction medium viscosity it is big caused by be aerated outlet obstruction the problem of, it is ensured that the continuity and continuation of reaction.
As shown in figures 1 and 3, charging aperture 7, material taking mouth 8, drain hole 9, temperature-measuring port 10, row are provided with reaction kettle body 1
Gas port 11 and/or visor 12.
It is more stable, simpler in order to make reaction kettle body 1 install, multiple bottom pedals are provided with the bottom of reaction kettle body 1
13；Material taking mouth 8 and/or drain hole 9 are located in the region of bottom pedal 13, are easy to picking and placeing for material.Bottom pedal 13 be from
The step-like structure that the outside of reaction kettle body 1 is recessed to inner side, fixed installation part is caught in step-like structure；Multiple bottom pedals
13 relative to reaction kettle body 1 axisymmetrical set, it is ensured that reaction kettle body 1 will not shake in use.
Specific metallurgy embodiment 1
Using vanadium slag as research object, the Wet-process metallurgy method step of this raising gas-liquid-solid phase reaction is as follows：According to 100kg
Vanadium slag is calculated, and the admission pressure for controlling aerator is 0.4MPa, and the gas flow of air inlet is 4m3/ h, air inlet gas temperature
Spend for 260 DEG C, the aperture of aeration outlet is 2mm；The side of reaction kettle body 1 is provided with three radial direction sieve plates 5, the height of radial direction sieve plate 5
For the 3/5 of the cavity heights of reaction kettle body 1, sieve aperture is evenly distributed on radial direction sieve plate 5, and sieve diameter is 20mm, radial direction sieve plate 5
Width is the 1/15 of the internal diameter of reaction kettle body 1, and aeration head 2 is arranged on the lowermost end of agitating shaft 41, and disc turbine oar 3 is arranged on stirring
At the 1/7 of axle 41, push vane wheel oar 6 and be arranged at the 1/3 of agitating shaft 41.
After testing, calculate, the leaching rate of vanadium is 98.7% in the present embodiment, is improved than existing hydrometallurgy reaction effect
14%.
Specific metallurgy embodiment 2
Using v-bearing steel slag as research object, the Wet-process metallurgy method step of this raising gas-liquid-solid phase reaction is as follows：According to
100kg vanadium slags are calculated, and the admission pressure for controlling aerator is 1MPa, and the gas flow of air inlet is 0.1m3/ h, air inlet implication
Temperature is 120 DEG C, and the aperture of aeration outlet is 10mm, and the side of reaction kettle body 1 is provided with six radial direction sieve plates 5, radial direction sieve plate 5
It is highly the 1/5 of the cavity heights of reaction kettle body 1, sieve aperture is evenly distributed, sieve diameter is 5mm, and the width of radial direction sieve plate 5 is reaction
The 1/10 of the internal diameter of kettle 1, aeration head 2 is arranged on the lowermost end of agitating shaft 41, and disc turbine oar 3 is arranged on the 1/10 of agitating shaft 41
Place, pushes vane wheel oar 6 and is arranged at the 1/5 of agitating shaft 41.
After testing, calculate, the leaching rate of vanadium is 95% in the present embodiment, is improved than existing hydrometallurgy reaction effect
18%.
Specific metallurgy embodiment 3
Using tailings in vanadium extraction as research object, the Wet-process metallurgy method step of this raising gas-liquid-solid phase reaction is as follows：According to
100kg vanadium slags are calculated, and the admission pressure for controlling aerator is 0.1MPa, and the gas flow of air inlet is 7m3/ h, air inlet implication
Temperature is 200 DEG C, and the aperture of aeration outlet is 8mm, and the side of reaction kettle body 1 is provided with four radial direction sieve plates 5, radial direction sieve plate 5
It is highly the 2/5 of the cavity heights of reaction kettle body 1, sieve aperture is evenly distributed, and sieve diameter is 10mm, and the width of radial direction sieve plate 5 is anti-
The 1/12 of the internal diameter of kettle 1 is answered, aeration head 2 is arranged on the lowermost end of agitating shaft 41, and disc turbine oar 3 is arranged on the 1/ of agitating shaft 41
At 8, push vane wheel oar 6 and be arranged at the 1/4 of agitating shaft 41.
After testing, calculate, the leaching rate of vanadium is 95% in the present embodiment, is improved than existing hydrometallurgy reaction effect
10%.
Specific metallurgy embodiment 4
Using ilmenite as research object, the Wet-process metallurgy method step of this raising gas-liquid-solid phase reaction is as follows：According to
100kg vanadium slags are calculated, and the admission pressure for controlling aerator is 0.6MPa, and the gas flow of air inlet is 4m3/ h, air inlet implication
Temperature is 230 DEG C, and the aperture of aeration outlet is 7mm, and the side of reaction kettle body 1 is provided with five radial direction sieve plates 5, radial direction sieve plate 5
It is highly the 2/5 of the cavity heights of reaction kettle body 1, sieve aperture is evenly distributed, and sieve diameter is 12mm, and the width of radial direction sieve plate 5 is anti-
The 1/10 of the internal diameter of kettle 1 is answered, aeration head 2 is arranged on the lowermost end of agitating shaft 41, and disc turbine oar 3 is arranged on the 1/ of agitating shaft 41
At 9, push vane wheel oar 6 and be arranged at the 1/5 of agitating shaft 41.
After testing, calculate, the leaching rate of titanium is 98.5% in the present embodiment, is improved than existing hydrometallurgy reaction effect
11%.
Note, the technical principle that above are only presently preferred embodiments of the present invention and used.Those skilled in the art can manage
Solution, the invention is not restricted to specific embodiment described here, can carry out various obvious changes for a person skilled in the art
Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is entered by above example
Go and be described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept,
Other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of Wet-process metallurgy method, it is characterised in that insert metallurgical material in reaction kettle body (1), by aeration head (2) to
Supplied gas in the metallurgical material, shearing-crushing is carried out to the bubble produced by aeration head (2), to obtain being used for increasing gas contact
The minute bubbles of area.
2. Wet-process metallurgy method according to claim 1, it is characterised in that during hydrometallurgy, the gold per 100kg
The inlet pressure for belonging to mineral is 0.3MPa-1MPa, and gas temperature is 100 DEG C -260 DEG C；The gas flow of air inlet is
0.1m3/h-10m3/h。
3. a kind of gas-liquid-solid three-phase wet method reactor for performing Wet-process metallurgy method as claimed in claim 1 or 2, its feature exists
In, including canned reaction kettle body (1), middle part or bottom in the reaction kettle body (1) are provided with aeration head (2), in institute
State and disc turbine oar (3) is provided with above aeration head (2)；The disc turbine oar (3) is arranged on the bottom of agitating device (4)
And can be rotated with the agitating device (4), the bubble shearing-crushing that will be produced by the aeration head (2) is into the smaller gas of volume
Bubble.
4. gas-liquid-solid three-phase wet method reactor according to claim 3, it is characterised in that in the reaction kettle body (1)
Radial direction sieve plate (5) is additionally provided with, the direction of radial direction sieve plate (5) extension is equal with the axis direction of the reaction kettle body (1)
OK, and positioned at the top of the aeration head (2)；Multiple sieve apertures are provided with the radial direction sieve plate (5).
5. gas-liquid-solid three-phase wet method reactor according to claim 4, it is characterised in that the one of the radial direction sieve plate (5)
Side is attached on the madial wall of the reaction kettle body (1), axis direction of the relative side towards the reaction kettle body (1)；It is described
Width between above-mentioned two side of radial direction sieve plate (5) is the 1/15 to 1/10 of radial direction sieve plate (5) inside diameter.
6. gas-liquid-solid three-phase wet method reactor according to claim 4, it is characterised in that the bottom of the radial direction sieve plate (5)
The distance between inside bottom surface of side and the reaction kettle body (1) is the 1/15 to 1/7 of the reaction kettle body (1) cavity heights,
The distance between the top margin of the radial direction sieve plate (5) and the inside top surface of the reaction kettle body (1) is in the reaction kettle bodies (1)
The 1/5 to 3/5 of chamber height.
7. the gas-liquid-solid three-phase wet method reactor according to any one of claim 3 to 6, it is characterised in that described anti-
Answer to be additionally provided with kettle (1) and push vane wheel oar (6), the vane wheel oar (6) that pushes is arranged on agitating device (4) and positioned at institute
The top of disc turbine oar (3) is stated, the vane wheel oar (6) that pushes can be rotated with the agitating device (4).
8. gas-liquid-solid three-phase wet method reactor according to claim 7, it is characterised in that the agitating device (4) includes
The agitating shaft (41) stretched into the reaction kettle body (1)；The aeration head (2) is arranged on the lowermost end of the agitating shaft (41),
The disc turbine oar (3) is arranged on 1/10 to 1/7 place of the agitating shaft (41), and the vane wheel oar (6) that pushes is arranged on institute
State 1/5 to 1/3 place of agitating shaft (41).
9. the gas-liquid-solid three-phase wet method reactor according to any one of claim 3 to 6, it is characterised in that the stirring
Device (4) is hollow shaft-like structure；Gas feed (42) and/or steam inlet are provided with the top of the agitating device (4)
(43)。
10. the gas-liquid-solid three-phase wet method reactor according to any one of claim 3 to 6, it is characterised in that described anti-
Answer and charging aperture (7), material taking mouth (8), drain hole (9), temperature-measuring port (10), exhaust outlet (11) and/or visor are provided with kettle (1)
(12)；Bottom pedal (13), the material taking mouth (8) and/or drain hole (9) position are provided with the bottom of the reaction kettle body (1)
In in the region where the bottom pedal (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710506277.5A CN107287416A (en) | 2017-06-28 | 2017-06-28 | Wet-process metallurgy method and gas-liquid-solid three-phase wet method reactor |
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| CN201710506277.5A CN107287416A (en) | 2017-06-28 | 2017-06-28 | Wet-process metallurgy method and gas-liquid-solid three-phase wet method reactor |
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ID=60098934
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276917A (en) * | 2018-11-27 | 2019-01-29 | 河钢股份有限公司承德分公司 | Wet process reactor and reaction method |
| CN109277068A (en) * | 2018-11-27 | 2019-01-29 | 河钢股份有限公司承德分公司 | The reaction unit and reaction method that vanadium chromium mentions altogether under normal temperature and pressure |
| CN110614059A (en) * | 2019-10-08 | 2019-12-27 | 昆明理工大学 | Top-blown stirring reactor and stirring method |
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| CN103055768A (en) * | 2012-12-18 | 2013-04-24 | 烟台华阳环保锅炉有限公司 | Self-priming stirrer |
| CN204522945U (en) * | 2015-03-26 | 2015-08-05 | 中国石油集团工程设计有限责任公司 | Tail gas desulfurization catalytic oxidation still |
| CN204816457U (en) * | 2015-07-29 | 2015-12-02 | 中山大学惠州研究院 | A reactor that is used for biomimetic catalysis cyclohexanone gas -liquid phase oxidation preparation epsilon - caprolactone |
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| CN201342344Y (en) * | 2008-12-02 | 2009-11-11 | 中昊晨光化工研究院 | Device for gas-liquid reactions/gas-liquid-solid reactions |
| CN103055768A (en) * | 2012-12-18 | 2013-04-24 | 烟台华阳环保锅炉有限公司 | Self-priming stirrer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109276917A (en) * | 2018-11-27 | 2019-01-29 | 河钢股份有限公司承德分公司 | Wet process reactor and reaction method |
| CN109277068A (en) * | 2018-11-27 | 2019-01-29 | 河钢股份有限公司承德分公司 | The reaction unit and reaction method that vanadium chromium mentions altogether under normal temperature and pressure |
| CN109277068B (en) * | 2018-11-27 | 2023-09-22 | 河钢股份有限公司承德分公司 | Reaction device and reaction method for vanadium-chromium co-extraction at normal temperature and normal pressure |
| CN109276917B (en) * | 2018-11-27 | 2023-10-03 | 河钢股份有限公司承德分公司 | Wet reactor and reaction method |
| CN110614059A (en) * | 2019-10-08 | 2019-12-27 | 昆明理工大学 | Top-blown stirring reactor and stirring method |
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Application publication date: 20171024 |
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