CN105148823A - Inflatable stirring reaction device - Google Patents
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- CN105148823A CN105148823A CN201510504280.4A CN201510504280A CN105148823A CN 105148823 A CN105148823 A CN 105148823A CN 201510504280 A CN201510504280 A CN 201510504280A CN 105148823 A CN105148823 A CN 105148823A
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Abstract
The invention provides an inflatable stirring reaction device. The device comprises a stirring tank, a mounting base, a drive device and a stirring shaft system, wherein the drive device is arranged on the stirring tank through the mounting base; a feeding port and a discharging port are formed in the stirring tank; the drive device drives the stirring shaft system to rotate; the stirring shaft system extends into an inner cavity of the stirring tank, is located in the center of the inner cavity and comprises an outer shaft and an inner shaft, the outer shaft and the inner shaft are concentrically nested and adopt a hollow structure, the inner shaft is arranged in a hollow cavity of the outer shaft, a gas inlet channel is formed in a hollow cavity of the inner shaft, a gas outlet of the gas inlet channel is formed in the bottom end of the inner shaft, an upper stirrer mainly used for mixing materials is mounted on the outer shaft, and a lower stirrer mainly used for dispersing gas is mounted in the position, close to the gas outlet, of the inner shaft. The reaction device is simple in structure, convenient to manufacture and low in cost and can effectively improve the gas reaction efficiency and the solid-liquid stirring efficiency.
Description
Technical field
The present invention relates to a kind of stirred reactor, particularly relate to a kind of stirring inflatable reactor that effectively can improve gas reaction efficiency and solid-liquid stirring efficiency.
Background technology
Stirred reactor is widely used in industry and the fields such as metallurgy, medicine, chemical industry, food and environmental protection.Along with the progress of technology, the technique needing gas and liquid (or solid-liquid mixture) to react gets more and more, how to make that gas disperses in the reaction evenly, utilization rate is higher, reaction is faster, stirred reactor is had higher requirement.In this context, stir inflation reactor to arise at the historic moment.
Existing common stirring inflation reactor comprises turbine type (turbine type) agitator, dasher etc.Turbine agitator coordinates outer-cover type stator, the Radial Flow of height turbulence can be produced when agitating device rotates, obvious to the shearing of gas, friction and peptizaiton, produce the tiny and uniform microbubble of particle diameter, be applicable to gas dispersion in a liquid and course of reaction; Dasher can make liquid produce axial flow, forces the fluid circulation mixing in reactor.Turbine agitator Main Function is gas dispersion, dasher mainly plays immixture, two kinds of agitating devices emphasize particularly on different fields, and rotating speed is also not quite similar (peripheral speed of turbine turbine type agitator is generally 3 ~ 8m/s, and dasher peripheral speed is generally 1.5 ~ 3m/s).But existing stirring inflation reactor all also exists the problems such as bubble diameter is little not, dispersion is even not, the defects such as the chemical reaction that this causes further, and gas effciency is not high, gas participates in is slower.
CN103301768A Chinese patent literature discloses two stirring-type agitator tanks of the smooth and easy discharge of a kind of energy, it adopts the coaxial inside and outside stirring arranged, interior stirring adopts oar blade type to design can effectively to the material stirring of center, the arc paddle simultaneously utilizing square set to support can be implemented to be uniformly mixed to the material of periphery, simultaneously center paddle can solve in the discharge later stage, the problem that the raw material of tank central point can not effectively mix and discharge.But the technical scheme in this patent document is obviously only suitable for for sticky material, can not realize the dispersion of gas.
CN103695642A Chinese patent literature discloses a kind of bilobed wheel quill shaft Aerated stirring leaching tanks, it is primarily of the support of cell body and upper setting thereof, motor, the formations such as reductor, support arranges gear-box, hollow stirrer axle (quill shaft) is connected with large bevel type gear above by upper driven platen, large bevel type gear above and little umbellate form gears meshing, little bevel type gear is connected with motor by reductor, quill shaft upper end is provided with gas tube, bilobed wheel is arranged on the upper and lower of same quill shaft, quill shaft rotarily drives upper and lower two groups of impellers and rotates in the same direction simultaneously, quill shaft lower end arranges hollow stirrer axle, hollow stirrer axle bottom arranges impeller, the outlet of quill shaft inflation is in the bottom of quill shaft, the center of cell body, its design feature arranges multiple points of gas ports in the bottom of quill shaft, each point of gas port arranges a point air drain, outside quill shaft, outer shaft is set, outer shaft lower end arranges outer shaft, shaft bottom arranges impeller outside, the top of outer shaft arranges lower driven platen and large bevel type gear below connects, large bevel type gear below and little umbellate form gears meshing.This art solutions in essence or a kind of directly inflatable stirred reactor, its impeller can not disperse gas fully, major part gas is outer vertically upward along quill shaft, cause gas escape, charging efficiency is low, it fundamentally solves the problem that when gas enters ore pulp, bubble diameter is large, is only improved gas-liquid-solid material mixing circulation situation in the reactor.This causes further, and the leaching velocity in course of reaction is slow, leaching rate is low, gas waste is large.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiency and defect mentioned in above background technology, provides that a kind of structure is simple, easy to make, cost is low and effectively can improve the stirring inflation reaction unit of gas reaction efficiency and solid-liquid stirring efficiency.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is that a kind of stirring inflates reaction unit, comprise stirring cell body, mounting base, drive unit and shaft system, described drive unit is installed in by mounting base and stirs on cell body, described stirring cell body offers charging aperture and discharging opening, described drive unit drives shaft system to rotate, shaft system to stretch in the inner chamber stirring cell body and is positioned at the center of inner chamber, described shaft system comprises outer shaft sheathed with one heart and interior axle, described outer shaft and interior axle are hollow structure, and interior axle is arranged in the hollow cavity of outer shaft, the hollow cavity of described interior axle is set to inlet channel, and the bottom of interior axle is set to the gas outlet of described inlet channel, described outer shaft is provided with the upper agitator being mainly used in mixing material, described interior axle is provided with the lower agitator being mainly used in gas dispersion near the position of its gas outlet.
In above-mentioned stirring inflation reaction unit, preferred: described upper agitator is arm stirrer, according to the specific design height of reaction unit, this arm stirrer also preferably can arrange multiple (such as 1,2 or 3) along differing heights on outer shaft; Described lower agitator is then preferably the turbine turbine type agitator of a rotating speed higher than upper agitator speed.
In above-mentioned stirring inflation reaction unit, preferred: the bottom of described interior axle is near the bottom surface of described stirring cell body, the bottom of described outer shaft exceeds the bottom certain altitude of described interior axle, and described upper agitator is installed on the bottom end vicinity of outer shaft, and described lower agitator is then installed on the bottom of interior axle.
In above-mentioned stirring inflation reaction unit, preferred: the position that the bottom surface of described stirring cell body corresponds to interior axle bottom is equiped with stator, and stator is formed with a groove, this groove is the outside that half-packaging is enclosed in described lower agitator, so-called half-packaging refers to that stator arrangement is in the downside of lower agitator and outside, and the top of lower agitator does not then have stator surrounding.Preferred, leave gap between described stator and described lower agitator and form slit cavity.Described stator is laid with lower agitator is concentric, and described stator comprises chassis and is fixed in the multiple drainage plates on chassis; Multiple drainage plate is distributed on the periphery above chassis, and the middle axial plane of multiple drainage plate is all crossing with the periphery tangent line on chassis and in an equal angular.In this preferred scheme, stator and lower agitator form one group of agitating device jointly, this group agitating device is mainly used to the gas disperseing to enter from interior axle, produce micro air bubble, instantly when agitator rotates, drive liquid throws away, produce local decompression, outside gas enters gap between lower agitator and stator (can self-priming or air blast blast) along interior axle, in the shearing of lower agitator and stator, under the acting in conjunction of the active forces such as friction, continuous generation microfine bubble and with liquid or solid mixed at high speed, finally spray radially under the drainage of stator, constitute a small-sized and efficient gas dispersing system.
In above-mentioned stirring inflation reaction unit, preferred: described mounting base is fixed in the end face stirring cell body, described shaft system stretches in the inner chamber stirring cell body through mounting base, the air inlet of described inlet channel is arranged on the top of interior axle, this air inlet is fixed by support, and this air inlet place is provided with the air intake valve of adjusting air inflow quantity.Air intake valve is fixed on mounting base by support.
In above-mentioned stirring inflation reaction unit, preferred: described outer shaft and interior axle are respectively by independently drive unit driving, and the rotating speed of outer shaft is lower than the rotating speed of interior axle.Preferred: described drive unit comprises the first drive motors and the second drive motors, described first drive motors is connected with the upper end of outer shaft by outer shaft belt and belt pulley, described second drive motors is connected with the upper end of interior axle by interior axle belt and belt pulley, and the upper end of interior axle exceeds the upper end certain distance of outer shaft.Interior axle and outer shaft is driven respectively by drive unit independently, make agitator and lower agitator can reach different optimized rotating speeds according to its different type of stirrer and action function, the rotating speed of lower agitator (turbine type agitator) is higher, its mainly with the generation and the dispersion that control microbubble together with stator, and the rotating speed of upper agitator (arm stirrer) is relatively low, then the liquid or solid mainly born in whole container forms circulation in vertical direction.
In above-mentioned stirring inflation reaction unit, preferred: described shaft system comprises clutch shaft bearing and the second bearing, the outside of described outer shaft is installed on described mounting base by clutch shaft bearing, and described interior axle passes through the second bearing nested, concentric in the hollow cavity of outer shaft.
The technical scheme of the invention described above is mainly based on following thinking:
Conventional mixing plant does not generally have the effect of gas dispersion, and by the agitator of layered arrangement different structure form in the present invention, and lay inlet channel dexterously, make mixing plant of the present invention can have inflation response function concurrently simultaneously; Agitator and Accessory Members thereof is descended to have the effect of ventilation and gas dispersion in the present invention, be conducive to promoting gas-liquid two-phase mixing or gas-liquid-solid three-phase mixing, but stir iff the lower agitator of dependence, then easily cause the deficiency of convection current up and down, the undercompounding of reaction mass, therefore on this basis, the present invention is provided with again agitator in the middle part of reaction unit, to strengthen the material convection current in vertical direction, accomplishes the whole abundant mixing and the sufficient reacting that stir material in inflation reaction unit.
Compared with prior art, the invention has the advantages that:
1. the present invention can make ore pulp in reaction unit circulate up and down quickening, the mixing of material evenly, reaction is more abundant, reaction efficiency is higher, better effects if;
2., in the scheme after improvement, have employed turbine type agitator and stator and Accessory Members fit system thereof, this can complete spreading the work of gas better, and add the touch opportunity of gas and solid liquid phase, gas effciency is higher;
3. by the further improvement of stator structure and shape and optimization, make the gas that passes in stirring inflation reaction unit dispersedly evenly, bubble is less, and microfine bubble is more, and chemical reaction is faster;
4. by improving driving arrangement and arranging connected mode, the turbine type agitator selected in the present invention and arm stirrer can be operated within the scope of required different optimum speeds, this fully combines two kinds of dissimilar agitators advantage separately, make gas in the reactor dispersedly evenly, react faster.
Generally speaking, stirring of the present invention inflation reaction unit structure simple, be easy to assembling, be conducive to increasing substantially reaction rate and gas-liquid-solid heterogeneous reaction effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation stirring inflation reaction unit in the embodiment of the present invention.
Fig. 2 is the front view of the arm stirrer in the embodiment of the present invention.
Fig. 3 is the top view of the arm stirrer in the embodiment of the present invention.
Fig. 4 is the side view of the arm stirrer in the embodiment of the present invention.
Fig. 5 is the top view of the first turbine turbine type agitator in the embodiment of the present invention.
Fig. 6 is the sectional view at A-A place in Fig. 5.
Fig. 7 is the top view of the second turbine turbine type agitator in the embodiment of the present invention.
Fig. 8 is the sectional view at B-B place in Fig. 7.
Fig. 9 is the top view of the first stator in the embodiment of the present invention.
Figure 10 is the profile at C-C place in Fig. 9.
Figure 11 is the top view of the second stator in the embodiment of the present invention.
Figure 12 is the sectional view at D-D place in Figure 11.
Marginal data
1, cell body is stirred; 2, mounting base; 3, drive unit; 31, the first drive motors; 32, the second drive motors; 4, shaft system; 41, clutch shaft bearing; 42, the second bearing; 5, outer shaft; 6, outer shaft belt and belt pulley; 7, interior axle belt and belt pulley; 8, interior axle; 9, air intake valve; 10, support; 11, upper agitator; 12, lower agitator; 13, stator; 14, charging aperture; 15, discharging opening; 16, chassis; 17, drainage plate; 18, middle axial plane.
Detailed description of the invention
For the ease of understanding the present invention, hereafter will do to describe more comprehensively, meticulously to the present invention in conjunction with Figure of description and preferred embodiment, but protection scope of the present invention is not limited to following specific embodiment.
It should be noted that, when a certain element is described on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly fixing, affixed, connect or be communicated with on another element, also can be by other intermediate connectors indirectly fixing, affixed, connection or connection on another element.
Unless otherwise defined, hereinafter used all technical terms are identical with the implication that those skilled in the art understand usually.The object of technical term used herein just in order to describe specific embodiment is not be intended to limit the scope of the invention.
Unless otherwise specified, the various raw material, reagent, instrument and equipment etc. used in the present invention are all bought by market and are obtained or prepare by existing method.
Embodiment:
A kind of stirring inflation reaction unit of the present invention, comprise and stir cell body 1, mounting base 2, drive unit 3 and shaft system 4, drive unit 3 is installed in by mounting base 2 and stirs on cell body 1, stir on cell body 1 and offer charging aperture 14 and discharging opening 15, drive unit 3 drives shaft system 4 rotation, and shaft system 4 to stretch in the inner chamber stirring cell body 1 and is positioned at the center of inner chamber.The shaft system 4 of the present embodiment comprises outer shaft 5 sheathed with one heart and interior axle 8, outer shaft 5 and interior axle 8 are hollow structure, and interior axle 8 is arranged in the hollow cavity of outer shaft 5, the hollow cavity of interior axle 8 is set to inlet channel, and the bottom of interior axle 8 is set to the gas outlet of inlet channel.Shaft system 4 also comprises clutch shaft bearing 41 and the second bearing 42, the outside of outer shaft 5 is installed on mounting base 2 by clutch shaft bearing 41, interior axle 8 is by the second bearing 42 nested, concentric in the hollow cavity of outer shaft 5, and what can realize outer shaft 5 and interior axle 8 in the present embodiment by the Accessory Members such as aforementioned bearings and bearing bracket stand is rotatably connected mode.In practice, the rotating speed of interior axle 8 and outer shaft 5 can need adjust according to the technique of reality, to reach best result of use with turning to.
In the stirring inflation reaction unit of the present embodiment, outer shaft 5 is provided with the upper agitator 11 being mainly used in mixing material, interior axle 8 is provided with the lower agitator 12 being mainly used in gas dispersion near the position of its gas outlet.Upper agitator 11 is arm stirrer, and lower agitator 12 is the turbine turbine type agitator of a rotating speed higher than upper agitator 11 rotating speed.The bottom of interior axle 8 is near the bottom surface of stirring cell body 1, and the bottom of outer shaft 5 exceeds the bottom certain altitude of interior axle 8, and upper agitator 11 is installed on the bottom end vicinity of outer shaft 5, and lower agitator 12 is installed on the bottom of interior axle 8.In the present embodiment, the stirrer paddle of upper agitator 11 is 2 chips, and its three-view diagram as shown in Figure 2 to 4.Lower agitator 12 in the present embodiment can be the version shown in Fig. 5, Fig. 6, also can adopt the version shown in Fig. 7, Fig. 8.
In the stirring inflation reaction unit of the present embodiment, the bottom surface of stirring cell body 1 corresponds to the position of interior axle 8 bottom and is equiped with stator 13, stator 13 is formed with a groove, this groove is the periphery that half-packaging is coated on described lower agitator 12, lower agitator 12 half built-in be placed in this groove, but lower agitator 12 does not contact with stator 13, in the bottom of lower agitator 12 and leave gap between outside and stator 13 and form slit cavity (see Fig. 1).Stator 13 is laid with lower agitator 12 is concentric.The stator 13 of the present embodiment can adopt the version shown in Fig. 9, Figure 10, multiple drainage plate 17 that this stator 13 comprises chassis 16 and is fixed on chassis 16; Multiple drainage plate 17 is distributed on the periphery above chassis 16, and the middle axial plane 18 of multiple drainage plate 17 is all vertical with the periphery tangent line on chassis 16.But the preferred stator 13 of the present embodiment is as shown in Figure 11, Figure 12, multiple drainage plate 17 that this stator 13 comprises chassis 16 equally and is fixed on chassis 16; Multiple drainage plate 17 is distributed on the periphery above chassis 16, and all crossing with the periphery tangent line on chassis 16 acute angle in an equal angular of the middle axial plane 18 of multiple drainage plate 17.The version of the stator 13 preferably adopted in the present embodiment can match with the lower agitator 12 of interior axle 8 better, while gas is dispersed, can also disperses come and form eddy flow effect more uniformly to reaction unit inner chamber.
In the stirring inflation reaction unit of the present embodiment, mounting base 2 is fixed in the end face stirring cell body 1, shaft system 4 stretches into through mounting base 2 in the inner chamber stirring cell body 1, and the air inlet of inlet channel is arranged on the top of interior axle 8, and this air inlet place is provided with the air intake valve 9 of adjusting air inflow quantity.Air intake valve 9 is fixed on mounting base 2 by support 10.
In the stirring inflation reaction unit of the present embodiment, outer shaft 5 and interior axle 8 are driven by independently drive unit 3 respectively, and the rotating speed of outer shaft 5 is lower than the rotating speed of interior axle 8.Drive unit 3 comprises the first drive motors 31 and the second drive motors 32, first drive motors 31 is connected with the upper end of outer shaft 5 by outer shaft belt and belt pulley 6, second drive motors 32 is connected with the upper end of interior axle 8 by interior axle belt and belt pulley 7, and the upper end of interior axle 8 exceeds the upper end certain distance of outer shaft 5.
From above embodiment, the coaxial inside and outside axle combination agitating mode arranged is adopted in the present invention, interior axle stirs and adopts the design of turbine turbine type agitator can gas dispersion effectively, the microvesicle that generation particle diameter is enough little, quantity is abundant also makes it to permeate in reactant liquor phase system, improve the content of gas in reactant liquor phase system, increase the touch opportunity of gas and liquid or solid, accelerate chemical reaction rate; Simultaneously, the present invention also utilizes the arm stirrer of outer shaft to implement to be uniformly mixed to the material of periphery, make, in reaction unit, vertical direction forms convection circulation, achieve the mixing of gas-liquid-solid three-phase omnibearing uniform stirring under Double stirring effect, make that gas disperses in the reactor evenly, utilization rate is higher, reaction is faster.
The stirring inflation reaction unit effect contrast experiment 1 of the present embodiment:
Put forward a process for gold, comprise alkali treatment and Cyanide Leaching two steps.
When using conventional constant speed stirrer to carry out condition test, the optimum test condition obtained is: mog D90=9.27 μm, liquid-solid ratio (mass ratio of water and solid, lower same) 4: 1; Calcium Oxide Dosage 20kg/t, pH value is 11,0.50 hour alkali treatment time; Cymag (NaCN) consumption 0.50kg/t; 18 hours cyaniding time; The leaching rate of gold is 52.63%.
Stir inflation reaction unit when using the above-mentioned strengthening of the present embodiment and carry out condition test, the optimum test condition obtained is: mog D90=9.27 μm, and liquid-solid ratio is 2: 1; Calcium Oxide Dosage 10.35kg/t, pH value is 11,0.50 hour oxygenation pretreatment time, Cymag consumption 0.50kg/t, extraction time 10 hours; The leaching rate of gold is 58.65%.
As can be seen from above contrast and experiment: use stirring of the present invention to inflate reaction unit and carry out Cyanide Leaching, can under lower liquid-solid ratio (2: 1), obtain higher leaching rate (leaching rate improves 6.02 percentage points), and the Cyanide Leaching time shortens greatly, process efficiency significantly improves.
The stirring inflation reaction unit effect contrast experiment 2 of the present embodiment:
Pretreatment-Cyanide Leaching gold-extraction process of low-grade Refractory Au-ores, comprises the following steps:
1. pretreatment
Raw ore containing microfine sulfide trapping gold is carried out fine grinding; Fine grinding adopts micron-sized superfine stirring ore mill, ore milling concentration 50%, mog D90=9.27 μm; Raw ore after fine grinding is added in the stirring inflation reaction unit of the present embodiment and carry out pre-oxidation; At normal pressure and 100 DEG C, pass into oxygen and be oxidant, flow 0.20m
3/ h, liquid-solid ratio 2: 1, preoxidation time 4 hours;
2. Cyanide Leaching
CaO is joined in above-mentioned pretreated ore pulp, in the stirring inflation reaction unit of the present embodiment, carry out sufficient alkali treatment; Liquid-solid ratio 2: 1, CaO consumption 20kg/t, pH value is 11.5,4 hours alkali treatment time; NaCN is joined in the ore pulp after aforementioned bases process, in the stirring inflation reaction unit of the present embodiment, carry out Cyanide Leaching; Liquid-solid ratio 2: 1, Cymag consumption 1.50kg/t, 12 hours leaching time; The leaching rate of gold is 57.89%; Finally carry gold with charcoal absorption, the dry heap of cyanide residue.
When gold mine in this contrast experiment adopts fine grinding-cyaniding and leaching process, the leaching rate of gold is only 35%, apply stirring of the present invention inflation reaction unit and can complete pre-oxidation process well, for the leaching rate improving gold is laid a good foundation, the leaching rate of gold finally can up to 57.89%.
The stirring inflation reaction unit effect contrast experiment 3 of the present embodiment:
Dissolve a process for purification lithium carbonate, comprise the following steps:
A certain amount of rough lithium carbonate powder (lithium carbonate content 98.5%) is placed in agitating device stir, liquid-solid ratio 10: 1, pass into carbon dioxide, flow is 0.5L/min, lithium carbonate and water and carbon dioxide reaction is made to generate the lithium bicarbonate of solubility and dissolve, filtering solution, obtains purer lithia water.
Contrast experiment through us finds, if conventional agitator selected by agitating device, and ventilatory response 0.5 hour, the dissolution rate of lithium carbonate is only 50%; And using the stirring of the present embodiment to inflate reaction unit ventilatory response 0.5 hour, the dissolution rate of lithium carbonate reaches 98.5%.
By above-mentioned comparison, can find that the inflation reaction unit that stirs of the present invention has larger advantage to the utilization rate and fast reaction speed that improve carbon dioxide in the process of dissolving purification lithium carbonate.
The stirring inflation reaction unit effect contrast experiment 4 of the present embodiment:
Based on a process for iron-cobalt-nickel copper alloy rusting-leaching of the present invention, comprise the following steps:
A certain amount of iron-cobalt-nickel copper alloy powder is joined 90 DEG C, initial concentration is in the sulfuric acid solution of 2.5mol/L, liquid-solid ratio 10: 1, passes into oxygen 0.5L/min, then in an agitating device, carries out leaching.
Contrast experiment through us finds, if conventional agitator selected by agitating device, and ventilatory response 10 hours, the dissolution rate of alloy is only 50%; And using the stirring of the present embodiment to inflate reaction unit ventilatory response 8 hours, the dissolution rate of lithium carbonate then can reach 95%.
By above-mentioned comparison, can find that the inflation reaction unit that stirs of the present invention has larger advantage to the utilization rate and fast reaction speed that improve oxygen in the process of iron-cobalt-nickel copper alloy rusting-leaching.
Finally it should be noted that: above-described embodiment is only for example of the present invention is clearly described, and the restriction not to embodiment of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, thus the apparent change of extending out or variation be still among protection scope of the present invention.
Claims (10)
1. one kind is stirred inflation reaction unit, comprise and stir cell body (1), mounting base (2), drive unit (3) and shaft system (4), described drive unit (3) is installed in by mounting base (2) and stirs on cell body (1), described stirring cell body (1) offers charging aperture (14) and discharging opening (15), described drive unit (3) drives shaft system (4) to rotate, shaft system (4) to stretch in the inner chamber stirring cell body (1) and is positioned at the center of inner chamber, it is characterized in that: described shaft system (4) comprises outer shaft (5) sheathed with one heart and interior axle (8), described outer shaft (5) and interior axle (8) are hollow structure, and interior axle (8) is arranged in the hollow cavity of outer shaft (5), the hollow cavity of described interior axle (8) is set to inlet channel, and the bottom of interior axle (8) is set to the gas outlet of described inlet channel, described outer shaft (5) is provided with the upper agitator (11) being mainly used in mixing material, described interior axle (8) is provided with near the position of its gas outlet the lower agitator (12) being mainly used in gas dispersion.
2. stirring inflation reaction unit according to claim 1, it is characterized in that: described upper agitator (11) is arm stirrer, described lower agitator (12) is the turbine turbine type agitator of a rotating speed higher than upper agitator (11) rotating speed.
3. stirring inflation reaction unit according to claim 1, it is characterized in that: the bottom of described interior axle (8) is near the bottom surface of described stirring cell body (1), the bottom of described outer shaft (5) exceeds the bottom certain altitude of described interior axle (8), and described upper agitator (11) is installed on the bottom end vicinity of outer shaft (5), described lower agitator (12) is installed on the bottom of interior axle (8).
4. stirring inflation reaction unit according to claim 3, it is characterized in that: the position that the bottom surface of described stirring cell body (1) corresponds to interior axle (8) bottom is equiped with stator (13), and stator (13) is formed with a groove, this groove is the periphery that half-packaging is coated on described lower agitator (12).
5. stirring inflation reaction unit according to claim 4, is characterized in that: leave gap between described stator (13) and described lower agitator (12) and form slit cavity.
6. stirring inflation reaction unit according to claim 4, it is characterized in that: described stator (13) is laid with lower agitator (12) is concentric, described stator (13) comprises chassis (16) and is fixed in the multiple drainage plates (17) on chassis (16); Multiple drainage plate (17) be distributed on chassis (16) top periphery, and the middle axial plane (18) of multiple drainage plate (17) all crossing with the periphery tangent line of chassis (16) and be an equal angular.
7. the stirring inflation reaction unit according to any one of claim 1 ~ 6, it is characterized in that: described mounting base (2) is fixed in the end face stirring cell body (1), described shaft system (4) is stretched in the inner chamber stirring cell body (1) through mounting base (2), the air inlet of described inlet channel is arranged on the top of interior axle (8), this air inlet is fixed by support (10), and this air inlet place is provided with the air intake valve (9) of adjusting air inflow quantity.
8. the stirring inflation reaction unit according to any one of claim 1 ~ 6, it is characterized in that: described outer shaft (5) and interior axle (8) are respectively by independently drive unit (3) driving, and the rotating speed of outer shaft (5) is lower than the rotating speed of interior axle (8).
9. stirring inflation reaction unit according to claim 8, it is characterized in that: described drive unit (3) comprises the first drive motors (31) and the second drive motors (32), described first drive motors (31) is connected with the upper end of outer shaft (5) by outer shaft belt and belt pulley (6), described second drive motors (32) is connected with the upper end of interior axle (8) by interior axle belt and belt pulley (7), and the upper end of interior axle (8) exceeds the upper end certain distance of outer shaft (5).
10. the stirring inflation reaction unit according to any one of claim 1 ~ 6, it is characterized in that: described shaft system (4) comprises clutch shaft bearing (41) and the second bearing (42), the outside of described outer shaft (5) is installed on described mounting base (2) by clutch shaft bearing (41), described interior axle (8) by the second bearing (42) nested, concentric in the hollow cavity of outer shaft (5).
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| CN106040032B (en) * | 2016-07-12 | 2019-10-22 | 陕西华源矿业有限责任公司 | A kind of slurry agitating device and the agitation cycle equipment with slurry agitating device |
| CN108395989A (en) * | 2018-05-24 | 2018-08-14 | 郑州工程技术学院 | A kind of straw saccharification fermentation reactor |
| CN109331770A (en) * | 2018-12-05 | 2019-02-15 | 威海天宇新材料科技有限公司 | A kind of chemical reaction kettle is pre-mixed device |
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| CN113101857A (en) * | 2020-01-09 | 2021-07-13 | 安徽致养食品有限公司 | Driving mechanism of beverage stirring device |
| CN113318688A (en) * | 2021-05-28 | 2021-08-31 | 凉山州福银苦荞食品有限公司 | Tartary buckwheat husk powder draws flavone equipment |
| CN113713524A (en) * | 2021-09-15 | 2021-11-30 | 东台宏仁气体有限公司 | Filter device for purifying pipeline nitrogen |
| CN114130344A (en) * | 2021-12-10 | 2022-03-04 | 青岛伊森新材料股份有限公司 | Normal low temperature suspension reactor for resin processing |
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