A kind of frame type stirring machine
Technical field
The utility model relates to the field of the mixing class band spiral organ in the general physico-chemical process of class of jobs, espespecially a kind of frame type stirring machine.
Background technology
The frame type stirring machine is operation under the low speed usually, do not produce large shearing force when stirring low-viscosity (mobile) liquid, therefore it is not suitable for liquid-liquid and gas-liquid dispersion, another aspect, the flow of this kind of impeller movement in tank is large, and horizontal rotation stream is dominant, do not there is good mixing homogeneity, yet near other impellers of velocity ratio tank skin, can reach large film coefficient of heat transfer, therefore be usually used in heat transfer, partial crystallization operation.
When the stirring for high viscosity fluid, with increasing of fluid viscosity, mobile minimizing in tank, the energy imported into by transmission device increases as the used up ratio of the friction (shearing) of impeller and fluid, from mixing effect, at blade, the exchange of liquid is nearby arranged, yet there is the part that plays hardly stirring action near axle, yet being flowed fully, the high viscosity fluid leaves no choice but have like that and force liquid to carry out the impeller of Extrusion Flow with the helical-ribbon type impeller, with the helical-ribbon type impeller, compare, the price of anchor formula impeller is low, when identical with rotating speed in the leaf footpath, the anchor gate stirrer is only 2/3 of ribbon.
It is that market is required that a kind of frame type stirring machine good to the high viscosity fluid mixing effect is provided.
Summary of the invention
The utility model provides a kind of frame type stirring machine, and this stirs raising frame type stirring machine that function the is larger mixing effect to high viscosity fluid, for the Agitation and mixing of low-concentration liquid, good effect is also arranged, and energy consumption is low, convenient for installation and maintenance.
For achieving the above object, the utility model adopts following technology to realize, a kind of frame type stirring machine comprises motor, reductor, shaft coupling, bearing, rotating shaft, upper blade, middle blade, reactor, lower blade, bearing under water, wherein motor connects reductor, reductor connects shaft coupling, be connected with rotating shaft on shaft coupling, the shaft coupling bottom is equipped with bearing, bearing is fixedly installed on reactor, be provided with three wheel hubs of upper, middle and lower in rotating shaft, three blades corresponding to the corresponding installation of wheel hub difference, blade is divided into blade, middle blade, lower blade, upper blade is arranged on the wheel hub of top, middle blade is arranged on central hub, lower blade is arranged on the wheel hub of bottom, the blade path length of upper blade is 80%~95% of reactor diameter, blade in middle wheel hub installation, middle blade is arranged on the middle part that blade and lower blade vertically are connected oar, the path length of lower blade is 50% of upper blade, in the bottom of reactor, bearing under water is installed, the bottom of rotating shaft is arranged under water on bearing.
As further improvement of the utility model, the connected mode of blade comprises welding, screwing.
As further improvement of the utility model, for better adapting to the liquid agitation of high viscosity, upper blade, middle blade and lower blade are oblique leaf oar, and gradient is 30 °~70 °.
During actual the use, the upper existing agitaion of blade also has the effect of scraper plate, due to liquid, more down viscosity is higher, more down the radius of gyration is less for middle blade and lower blade, and the resistance be subject to when stirring is also less, guarantees the coaxial rotation of upper, middle and lower blade.
beneficial effect
the utility model can be larger raising frame type stirring machine to the mixing effect of high viscosity fluid, for the Agitation and mixing of low-concentration liquid, good effect is also arranged, energy consumption is low, convenient for installation and maintenance;
the utility model can reach good mixing effect according to the gradient of different liquid changing blades, applied widely, strong adaptability.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of frame type stirring machine;
1-motor in figure; The 2-reductor; The 3-shaft coupling; The 4-bearing; The 5-rotating shaft; The upper blade of 6-; Blade in 7-; The 8-reactor; Blade under 9-; 10-is bearing under water.
The specific embodiment
Embodiment 1
A kind of frame type stirring machine comprises motor 1, reductor 2, shaft coupling 3, bearing 4, rotating shaft 5, upper blade 6, middle blade 7, reactor 8, lower blade 9, bearing 10 under water, wherein motor 1 connects reductor 2, reductor 2 connects shaft coupling 3, be connected with rotating shaft 5 on shaft coupling 3, shaft coupling 3 bottoms are equipped with bearing 4, and bearing 4 is fixedly installed on reactor 8, are provided with three wheel hubs of upper, middle and lower in rotating shaft 5, three blades corresponding to the corresponding installation of wheel hub difference, blade is divided into blade 6, middle blade 7, lower blade 9, upper blade 6 is arranged on the wheel hub of top, middle blade 7 is arranged on central hub, lower blade 9 is arranged on the wheel hub of bottom, the blade path length of upper blade 6 is 80% of reactor 8 diameters, blade 7 in middle wheel hub installation, middle blade 7 is arranged on blade 6 and vertically is connected the middle part of oar with lower blade 9, the path length of lower blade 9 is 50% of upper blade 6, bearing 10 under water is installed in the bottom of reactor 8, and the bottom of rotating shaft 5 is arranged under water on bearing 10, and the connected mode of blade is welding, for better adapting to the liquid agitation of high viscosity, upper blade 6, middle blade 7 and lower blade 9 are oblique leaf oar, and gradient is 30 °.
Embodiment 2
A kind of frame type stirring machine comprises motor 1, reductor 2, shaft coupling 3, bearing 4, rotating shaft 5, upper blade 6, middle blade 7, reactor 8, lower blade 9, bearing 10 under water, wherein motor 1 connects reductor 2, reductor 2 connects shaft coupling 3, be connected with rotating shaft 5 on shaft coupling 3, shaft coupling 3 bottoms are equipped with bearing 4, and bearing 4 is fixedly installed on reactor 8, are provided with three wheel hubs of upper, middle and lower in rotating shaft 5, three blades corresponding to the corresponding installation of wheel hub difference, blade is divided into blade 6, middle blade 7, lower blade 9, upper blade 6 is arranged on the wheel hub of top, middle blade 7 is arranged on central hub, lower blade 9 is arranged on the wheel hub of bottom, the blade path length of upper blade 6 is 95% of reactor 8 diameters, blade 7 in middle wheel hub installation, middle blade 7 is arranged on blade 6 and vertically is connected the middle part of oar with lower blade 9, the path length of lower blade 9 is 50% of upper blade 6, bearing 10 under water is installed in the bottom of reactor 8, and the bottom of rotating shaft 5 is arranged under water on bearing 10, and the connected mode of blade is that screw connects, for better adapting to the liquid agitation of high viscosity, upper blade 6, middle blade 7 and lower blade 9 are oblique leaf oar, and gradient is 70 °.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.