CN105714106B - One kind can realize quantity-produced halide solution situ configuration device - Google Patents
One kind can realize quantity-produced halide solution situ configuration device Download PDFInfo
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- CN105714106B CN105714106B CN201610110616.3A CN201610110616A CN105714106B CN 105714106 B CN105714106 B CN 105714106B CN 201610110616 A CN201610110616 A CN 201610110616A CN 105714106 B CN105714106 B CN 105714106B
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- halide
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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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/20—Dissolving using flow mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/406—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/4094—Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/45—Mixing in metallurgical processes of ferrous or non-ferrous materials
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses one kind can realize quantity-produced halide solution situ configuration device, it is characterized in that, it is described to realize that quantity-produced halide solution situ configuration device includes halide solution configuration case, halide solution configuration case upper end has halide addition opening, halide solution configuration case upper end is also associated with being provided with the water inlet water pipe of water inlet switch valve, halide solution configuration lower box part is connected with liquid-transport pipe-line, in addition to halide dissolving accelerator；The halide solution configuration case and corresponding water inlet water pipe and compressed air hose are arranged side by side two sets, and two halide solution configuration lower box parts are connected each via the bypass line of belt switch valve with liquid-transport pipe-line.The present invention can realize halide solution situ configuration to reduce cost, and with simple in construction, convenient to use, the advantages that can realizing continuous production.
Description
Technical field
The present invention relates to the halide solution spray system that a kind of smelting pre-treatment of blast furnace sintering deposit uses, especially relate to
And the halide solution situ configuration device in the spray system.
Background technology
Sintering deposit is by various powdery iron-containing raw materials, is incorporated appropriate fuel and flux, adds appropriate water, it is blended and
Make on agglomerating plant material that a series of physical chemical change occur after pelletizing, mineral powder granular is cohered it is blocking, for blast furnace
Use.At present, because steel industry situation is severeer, take optimization sintering deposit to reduce production cost with ore deposit more, bring burning
The a certain degree of downslide of ore deposit index, especially sintering deposit low-temperature reduction disintegration energy are tied, it is serious to restrict next procedure blast furnace
Furnace condition anterograde.
Sintering deposit low-temperature reduction disintegration can refer to the characteristic of sintering deposit chipping efflorescence during low-temperature reduction, be
One important quality index of sintering deposit.During blast furnace ironmaking, after iron ore enters blast furnace, furnace charge drops to 400~
600 DEG C of section, herein by the reduction of the coal gas from bottom house, it may occur that different degrees of fragmentation efflorescence.
Therefore, it is highly desirable to take the necessary measures and improves sintering deposit low-temperature reduction disintegration energy, at present, toward sintering deposit table
Halide solution based on face sprinkling calcium chloride is one of effective measures for improving sintering deposit low-temperature reduction disintegration energy index.
In the prior art, halide solution is sprayed, is usually directly carried out before sintering deposit enters blast furnace using shower
Spray, the sintering deposit after spray is sent directly into blast furnace ironmaking；So, cause attachment of the solution to sintering deposit extremely uneven, influence
The low-temperature reduction disintegration energy of follow-up sintering ore deposit.In the prior art, spray typically directly buys the chlorination configured with liquid simultaneously
Calcium solution is transported to iron-smelter use, the defects of cost is higher inconvenient for use be present.
In order to improve the mixed effect of halide solution and sintering deposit material, it is defeated that applicant's consideration devises a kind of sintering deposit
System is sent, the induction system includes sintering deposit belt conveyor and can realize spray to the sintering deposit on sintering deposit belt conveyor
Halide solution spray system, its feature be also to include a homogenization silo, end entrance and sintering deposit conveying on homogenization silo
Belt discharge end is connected, and the outlet of homogenization silo is connected with blast furnace；The halide solution spray system includes being used for sintering
Sintering deposit on ore deposit belt conveyor realizes the shower portion structure of spray, in addition to halide solution situ configuration device, halogenation
Thing solution situ configuration device is connected by water pump and liquid-transport pipe-line with shower portion structure.
A homogenization silo is so additionally arranged before blast furnace, sintering deposit is by the upper halide of halide solution spray system spray
Afterwards, because sintering deposit itself also has certain temperature, therefore it is sent into homogenization silo and stays for some time, the halogen of spray can be caused
Compound solution is more uniformly comprehensively penetrated into inside sintering deposit in the case where remaining temperature action, is produced good homo-effect, is carried
The uniformity that high halide solution adhere to sintering deposit, is just subsequently sent into the raising of efflorescence effect after blast furnace beneficial to sintering deposit.
Meanwhile situ configuration halide solution is used to reduce cost in spray system.
But wherein, how halide solution situ configuration device specifically designs, halide situ configuration can be realized, and
Make it have simple in construction, convenient to use, the features such as can realizing continuous production, turning into has considered solve the problems, such as.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How to provide one kind can be real
Existing halide solution situ configuration to reduce cost, have it is simple in construction, it is convenient to use, the spies such as continuous production can be realized
Point can realize quantity-produced halide solution situ configuration device.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
One kind can realize quantity-produced halide solution situ configuration device, it is characterised in that the halide is molten
Liquid situ configuration device includes halide solution configuration case, and halide solution configuration case upper end has halide addition opening,
Halide solution configuration case upper end is also associated with being provided with the water inlet water pipe of water inlet switch valve, halide solution configuration lower box part and
Liquid-transport pipe-line is connected, in addition to halide dissolving accelerator；The halide solution configuration case and corresponding water inlet water pipe
It it is arranged side by side two sets with compressed air hose, and two halide solution configuration lower box parts are each via the bypass line of belt switch valve
It is connected with liquid-transport pipe-line.
So, when halide solution configures, opening water inlet switch valve is put into quantitative water and configures case to halide solution, together
When weighed halide according to proportioning and be added to opening from halide addition in halide solution configuration case, then start halogenation
Thing dissolving accelerator realizes the dissolving of halide, you can realize the situ configuration of halide solution, reduce Distribution logistics into
This.Meanwhile the halide solution configuration case and corresponding supporting structure are designed as two sets；So, when a halide solution
Case is configured when exporting solution realization spray, another halide solution configuration case can complete the work of solution preparation, by cutting
Change switch valve and realize exchange, ensure that the continuity used.
As optimization, the halide dissolves accelerator, including is set positioned at the portion's connection of halide solution configuration bottom
Compressed air hose, compressed air hose is connected away from halide solution configuration case one end with compressed air source.
So, after halide feedstock addition, open compressed air source and be passed through air and enter halide solution from bottom and match somebody with somebody
Put in case, a large amount of bubbles entrain current of pneumatically generation, which are sprung up, to seethe, and then promotes halide flash melt, realizes halogenation
The situ configuration of thing solution.While it is this by the way of being passed through compressed air and realizing halide auxiliary dissolving, and using stirring
The mode of blade stirring auxiliary dissolving is compared, and is had further the advantage that：1 is that need not set motor, transmission mechanism and agitating device,
Simpler in structure, control is more convenient and cost is cheaper.2 be can avoid halide corrosivity bring it is unfavorable
Influence, such as corrosion to agitating device can reduce the agitating device life-span, and have impact on the purity of halide solution to reduce
Using effect.3 be the dissolving that can not only promote halide well by the way of compressed air, and can be brought into big
Amount bubble is entered in solution so that when subsequently spraying, bubble ruptures after being sprayed with solution can produce atomizing, improve spray
Effect.
Further, flowmeter is also equipped with the water inlet water pipe, to facilitate the control pair add water current.Further
Ground, gas flow regulating valve is also equipped with compressed air hose, to facilitate the control to gas flow.
As optimization, the halide solution configuration bottom portion is provided with multiple air inlets and each air inlet passes through bronchus
Road is connected with compressed air hose, and the air inlet is evenly arranged as circular and each air inlet around halide solution configuration case bottom centre
Mouth is obliquely installed along the circle toward same side direction.
So, the air inlet of air inlet can drive solution to produce rotation, and then cause solution integrally to produce the vortex at middle part,
So that liquid produces overall driven again by air-flow along surrounding is upward after downward from middle part while integral-rotation and sprung up, produce
Three-dimensional mixing effect, the stirring to halide can be better achieved to accelerate to dissolve.Preferably selection is, on air inlet
End outgassing direction is obliquely installed along outer top simultaneously, so so as to circulate effect more preferable for above-mentioned solution upper and lower.
Further, the halide solution configuration case is in barrel-shaped structure.So it is more favorable for the rotation of above-mentioned solution
Flow to improve solute effect.
Further, the halide solution configuration box top is provided with top cover, and the halide addition is located at opening
Top cap central position.So, it is convenient to put into halide from vortex medium position so as to be involved in current most after halide input
Then surging vortex bottom impacts surrounding by pressure-air, preferably to accelerate to dissolve.
As optimization, check-valves is also equipped with the liquid-transport pipe-line, to prevent solution from flowing back.
In summary, the present invention can realize halide solution situ configuration to reduce cost, and with simple in construction, make
With convenient and swift, the advantages that continuous production can be realized.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the sintering deposit transport process system for employing structure of the present invention.With simplification in figure
Lines represent pipeline.
Embodiment
With reference to a kind of sintering deposit transport process system and its accompanying drawing that employ structure of the present invention the present invention is made into
The detailed description of one step.
During specific implementation：As shown in figure 1, a kind of sintering deposit transport process system for employing structure of the present invention, including burn
Tie ore deposit belt conveyor 1 and the halide solution spray system of spray can be realized to the sintering deposit on sintering deposit belt conveyor 1, its
Feature is, in addition to a homogenization silo 2, end entrance and the linking of the discharge end of sintering deposit belt conveyor 1 on homogenization silo 2,
The outlet in material storehouse 2 is connected with blast furnace.
A homogenization silo is so additionally arranged before blast furnace, sintering deposit leans on halide solution（Chlorination is used in the present embodiment
Calcium solution）After the upper halide of spray system spray, because sintering deposit itself also has certain temperature, therefore it is sent into homogenization silo and stops
A period of time is stayed, the halide solution of spray can be caused more uniformly comprehensively to penetrate into sintering deposit in the case where remaining temperature action
Inside, good homo-effect is produced, improve the uniformity that halide solution adheres to sintering deposit, it is follow-up to be just beneficial to sintering deposit
The raising of efflorescence effect after feeding blast furnace.
Wherein, the halide solution spray system, including shower portion structure and halide solution situ configuration device,
Halide solution situ configuration device is connected by water pump 10 and liquid-transport pipe-line 3 with shower portion structure.So, it is molten in halide
Halide solution situ configuration device can be leaned on to realize obtaining for halide solution by the way of situ configuration in liquid spray system
Take, can more preferably facilitate the use of halide solution and reduce cost.
Wherein, the halide solution situ configuration device includes halide solution configuration case 4, halide solution configuration case
4 upper ends have halide addition opening, and halide solution configuration case upper end is also associated with being provided with the water inlet of water inlet switch valve
Water pipe 5, the halide solution configuration bottom of case 4 are connected with liquid-transport pipe-line 3；Also include halide dissolving accelerator.
The halide dissolves accelerator, including is provided with and communicated with compression sky positioned at halide solution configuration case 4 bottom
Tracheae 6, compressed air hose 6 are connected away from halide solution configuration one end of case 4 with compressed air source 7.
So, when halide solution configures, opening water inlet switch valve is put into quantitative water and configures case to halide solution, together
When weighed halide according to proportioning and be added to opening from halide addition in halide solution configuration case, open compressed air
Source is passed through air and entered from bottom in halide solution configuration case, and a large amount of bubbles entrain current of pneumatically generation, which are sprung up, to be turned over
Rise, and then promote halide flash melt, realize the situ configuration of halide solution.It is simultaneously this real using compressed air is passed through
The mode of existing halide auxiliary dissolving, aid in comparing by the way of dissolving with stirring using stirring vane, have further the advantage that：1
It is that motor, transmission mechanism and agitating device need not be set, simpler in structure, control is more convenient and cost is cheaper.2
It is the adverse effect that the corrosivity of halide can be avoided to bring, such as the corrosion to agitating device can reduce the agitating device longevity
Life, and the purity of halide solution is have impact on to reduce using effect.3 be can not only be very by the way of compressed air
Promote the dissolving of halide well, and a large amount of bubbles can be brought into and entered in solution so that when subsequently spraying, bubble is with molten
Rupture can produce atomizing after liquid sprays, and improve spraying effect.
Wherein, flowmeter 8 is also equipped with the water inlet water pipe 5, to facilitate the control pair add water current.Further,
Gas flow regulating valve 9 is also equipped with compressed air hose 6, to facilitate the control to gas flow.
Wherein, the halide solution configuration case 4 and corresponding water inlet water pipe 5 and compressed air hose 6 are arranged side by side two
Set, and two halide solution configuration lower box parts are connected each via the bypass line 11 of belt switch valve with liquid-transport pipe-line 3.This
Sample, when a halide solution configuration case is exporting solution realization spray, another halide solution configuration case can be completed
The work that solution is prepared, realize and exchange by switching valve, ensure that the continuity used.
Wherein, halide solution configuration case 4 bottom is provided with multiple air inlets and each air inlet passes through bronchial
12 are connected with compressed air hose 6, and the air inlet is evenly arranged as circle around halide solution configuration case bottom centre and respectively entered
Gas port is obliquely installed along the circle toward same side direction.
So, the air inlet of air inlet can drive solution to produce rotation, and then cause solution integrally to produce the vortex at middle part,
So that liquid produces overall driven again by air-flow along surrounding is upward after downward from middle part while integral-rotation and sprung up, produce
Three-dimensional mixing effect, the stirring to halide can be better achieved to accelerate to dissolve.Preferably selection is, on air inlet
End outgassing direction is obliquely installed along outer top simultaneously, so so as to circulate effect more preferable for above-mentioned solution upper and lower.
Wherein, the halide solution configuration case 4 is in barrel-shaped structure.So it is more favorable for the rotational flow of above-mentioned solution
To improve solute effect.
Wherein, the top of halide solution configuration case 4 is provided with top cover, and the halide addition is located at top cover with opening
Center.So, it is convenient to put into halide from vortex medium position so that it is most surging to be involved in current after halide input
Vortex bottom then surrounding impacted by pressure-air, preferably to accelerate to dissolve.
Wherein, check-valves 13 is also equipped with the liquid-transport pipe-line 3, to prevent solution from flowing back.
Wherein, the shower portion structure includes the spray box 14 of upper end sealed set, and spray box 14 passes through spray piping
Connected with liquid-transport pipe-line, the spray lower surface face of box 14 is arranged at the top of sintering deposit belt conveyor 1, and spray box 14 lower surface is uniform
Gather and be provided with some spray apertures composition spray regions, spray peak width corresponds to consistent with the width of sintering deposit belt conveyor 1.
So, using spray box, the spraying effect of sheet can be realized above sintering deposit belt conveyor, and is simply sprayed
Shower pipe spray is compared, and can be greatly enhanced spraying effect, improves the combination uniformity of halide solution and sintering deposit.
Wherein, regulation ball valve 15 is provided with the spray piping.So, spray flux can be conveniently adjusted as needed
Size.
Wherein, the shower portion structure also includes the charging shuttle slotware 16 of a strip, and charging shuttle slotware 16 tilts
It is arranged at the upper end of homogenization silo 2, the upper surface of charging shuttle slotware 16 is the bathtub construction for feeding, and charging shuttle slotware 16 time is proper
Homogenization silo entrance is set, the upper end linking of charging shuttle slotware 16 is arranged at below sintering deposit belt conveyor discharge end and surpassed upwards
Go out sintering deposit belt conveyor discharge end face position, the width and sintering deposit belt conveyor of the upper surface flute profile of charging shuttle slotware 16 are wide
Degree matching, charging shuttle slotware 16 are provided with water interlayer 17, water interlayer 17 on the downside of top（Pass through the pipeline with regulation ball valve）With it is defeated
The connection of liquid pipe road 3 is set, and be provided with one in the width direction at the upper surface bottom land upper end of charging shuttle slotware 16 connects with water interlayer
Crack.
A charging shuttle slotware is so added, charging shuttle slotware upper end sets water interlayer to be connected with liquid-transport pipe-line, simultaneously
Charging shuttle slotware upper surface, which sets to crack, enables halide solution to be overflowed and with cracking along feeding shuttle slotware upper surface bottom land
Trickling downwards, so after the sintering deposit material of sintering deposit belt conveyor discharge end leaves charging shuttle slotware, bottom can make it that
Sintering deposit material also can be with the halide solution of charging shuttle slotware upper surface uniformly in contact with producing and undersurface layer is sintered
The spraying effect of mineral material so that sintering deposit material upper and lower surface can be effective, equably sprays upper halide solution, improves
Spraying effect, improve the combination uniformity of sintering deposit material and halide solution.
Preferably selection is that water interlayer 17 is directly connected by the pipeline 18 with regulation ball valve with spray box 14 front end.
So that halide solution first flows through spray box and realizes spray, then water interlayer is flow to, the solution of water interlayer only needs solution can be from opening
Seam overflows, little to hydraulic demand, therefore effective utilization to water-aspirator pressure has been better achieved.
It is described to crack positioned at the position for exceeding sintering deposit belt conveyor discharge end face upwards in present embodiment.So,
Crack the sintering deposit material that can avoid falling, and avoids blocking.
Connected when it is implemented, being connected in such scheme or being connected may each be by transferring device, such as homogenization silo
Can be set up in parallel it is multigroup, sintering deposit belt conveyor discharge end be arranged on billy gate on and can be moved by billy gate
Dynamic regulation is to corresponding homogenization silo entrance, and by feeding shuttle slotware blanking in homogenization silo, homogenization silo outlet passes sequentially through
Blast furnace entrance is connected to after outlet batcher, vibratory sieve and scale hooper.
In summary, above-mentioned induction system is simple in construction, easy to use, can realize halide solution on-site delivery, into
This is cheap, can be greatly enhanced halide solution and adhere to uniformity to sintering deposit, improve the follow-up efflorescence effect of sintering deposit, profit
Used in blast furnace.
Claims (5)
1. one kind can realize quantity-produced halide solution situ configuration device, it is characterised in that the halide solution
Situ configuration device includes halide solution configuration case, and halide solution configuration case upper end has halide addition opening, halogen
Compound solution allocation case upper end is also associated with being provided with the water inlet water pipe of water inlet switch valve, halide solution configuration lower box part and defeated
Liquid pipe road is connected, in addition to halide dissolving accelerator；Halide solution configuration case and corresponding water inlet water pipe and
Compressed air hose is arranged side by side two sets, and two halide solutions configuration lower box parts each via belt switch valve bypass line and
Liquid-transport pipe-line is connected；
The halide dissolves accelerator, including the compressed air hose set positioned at the portion's connection of halide solution configuration bottom,
Compressed air hose is connected away from halide solution configuration case one end with compressed air source；The compressed air of use can be brought into largely
Bubble is entered in solution so that when subsequently spraying, rupture generation atomizing after bubble sprays with solution；
The halide solution configuration bottom portion is provided with multiple air inlets and each air inlet passes through bronchial and compressed air
Pipe is connected, and it is circular and each air inlet along the circle that the air inlet is evenly arranged around halide solution configuration case bottom centre
It is obliquely installed toward same side direction；Air inlet upper end outgassing direction is obliquely installed along outer top simultaneously.
2. quantity-produced halide solution situ configuration device can be realized as claimed in claim 1, it is characterised in that pressure
Gas flow regulating valve is also equipped with contracting air hose.
3. quantity-produced halide solution situ configuration device can be realized as claimed in claim 1, it is characterised in that institute
State into being also equipped with flowmeter on water water pipe.
4. quantity-produced halide solution situ configuration device can be realized as claimed in claim 1, it is characterised in that institute
It is in barrel-shaped structure to state halide solution configuration case.
5. quantity-produced halide solution situ configuration device can be realized as claimed in claim 1, it is characterised in that institute
State halide solution configuration box top and be provided with top cover, the halide addition is located at top cap central position with opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110616.3A CN105714106B (en) | 2016-02-29 | 2016-02-29 | One kind can realize quantity-produced halide solution situ configuration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110616.3A CN105714106B (en) | 2016-02-29 | 2016-02-29 | One kind can realize quantity-produced halide solution situ configuration device |
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| CN105714106A CN105714106A (en) | 2016-06-29 |
| CN105714106B true CN105714106B (en) | 2018-01-16 |
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| CN201610110616.3A Expired - Fee Related CN105714106B (en) | 2016-02-29 | 2016-02-29 | One kind can realize quantity-produced halide solution situ configuration device |
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|---|---|---|---|---|
| CN1107182A (en) * | 1994-06-01 | 1995-08-23 | 重庆大学 | Method for controlling low-temp. reducing pulverizing of blast ore burden and device of collecting and spraying |
| CN201257375Y (en) * | 2008-09-16 | 2009-06-17 | 多氟多化工股份有限公司 | Air-flow stirring device |
| CN201454473U (en) * | 2009-07-09 | 2010-05-12 | 杭州富春江化工有限公司 | inflatable stirrer |
| CN202606158U (en) * | 2012-03-06 | 2012-12-19 | 广西桂平市巴帝食品有限责任公司 | Reaction still with stirring device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235434A (en) * | 2008-02-28 | 2008-08-06 | 刘捷 | Sintering ore pulverization inhibitor |
| CN101653696B (en) * | 2009-09-10 | 2011-05-18 | 宝钢工程技术集团有限公司 | Sintering flue gas desulfurization wastewater treatment system and method for sintering finished ores |
| CN102409167B (en) * | 2010-09-26 | 2013-10-16 | 鞍钢股份有限公司 | Sintered ore pulverization inhibitor and adding method thereof |
-
2016
- 2016-02-29 CN CN201610110616.3A patent/CN105714106B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107182A (en) * | 1994-06-01 | 1995-08-23 | 重庆大学 | Method for controlling low-temp. reducing pulverizing of blast ore burden and device of collecting and spraying |
| CN201257375Y (en) * | 2008-09-16 | 2009-06-17 | 多氟多化工股份有限公司 | Air-flow stirring device |
| CN201454473U (en) * | 2009-07-09 | 2010-05-12 | 杭州富春江化工有限公司 | inflatable stirrer |
| CN202606158U (en) * | 2012-03-06 | 2012-12-19 | 广西桂平市巴帝食品有限责任公司 | Reaction still with stirring device |
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| CN105714106A (en) | 2016-06-29 |
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