A kind of dual output pattern Vertical Mill
Technical field
This utility model belongs to material milling apparatus technical field, specifically relate to the grinding system that the various materials of industry such as metallic ore, nonmetallic ore, the energy, new material are milled exactly, especially relate to the dual output pattern Vertical Mill of a kind of dual output pattern grinding system for cement industry pulverizing cement grog.
Background technology
The grinding mode that the current widely used independent ball mill of cement industry pulverizing cement grog, ball mill and roll squeezer or ball mill and Vertical Mill combine.It is known that ball mill mill efficiency is low, energy consumption height is its distinguishing feature, and shattering, operation principle and design structure that conventional bead mill adopts are the basic reasons causing ball mill capacity usage ratio extremely low.But in view of Industry, ball mill will not be eliminated again completely, also will extensively, in long-term existence cement grinding industry system both domestic and external.
In order to improve the mill efficiency in ball mill grinding system, lower energy consumption, all adopt pre-grinding technology technique now, namely by the high roll squeezer of mill efficiency or Vertical Mill, clinker carried out precomminution and reach cement fineness requirement to being completed final pulverizing by ball mill again after certain fineness.But roll squeezer only has crushing function due to self, does not possess drying, select powder separating power, it does not adapt to high-moisture feed proportioning, and is necessary for it and is reconfigured at extra powder concentrator, and these all influence whether system mill efficiency.Add roll squeezer equipment fault to take place frequently, maintenance cost high, be the current insurmountable technical barrier of industry.Though tradition Vertical Mill self possesses drying, selects powder function, but as just the precomminution equipment of ball mill, hinder its performance efficient, characteristics of energy saving.
Utility model content
Possess drying though the purpose of this utility model is aiming at above-mentioned existing tradition Vertical Mill self, selects powder function, but the precomminution equipment as just ball mill, the technological deficiency of grinding machine utilization ratio cannot be effectively improved, a kind of dual output pattern Vertical Mill is provided, it can be used in the dual output pattern grinding system of cement industry pulverizing cement grog, the final grinding of Vertical Mill part and the pre-grinding of ball mill part are combined by whole system in a system, and circulation carries out, improve mill efficiency, reduce system energy consumption, improve product quality.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of dual output pattern Vertical Mill of this utility model design, it includes foundation base, basic framework, main body rack, hydraulic system, mill transmission device, mill, collet, pressurization rocking arm, grinding roller, intake air way and grinding machine shell, described actuating device, mill, collet, pressurization rocking arm, grinding roller is pulverized in grinding machine entering to grind raw material, it is characterized in that: described mill milling zone periphery is provided with vane, vane is positioned at grinding machine shell, in mill, the material of pulverizing can be brought into scalable machine for multi-class selective separation of powder under certain air velocity carry out thickness feed separation.
Further, described scalable machine for multi-class selective separation of powder includes feed pipe device, bearing block, dynamic rotor, multiple stage separation particle size adjustment system, multiple stage separation conveyer device, powder concentrator actuating device and housing, described feed pipe device top is fixed on bearing block shell body, decline passway is provided for material downward through bearing block and multiple stage separation conveyer device, bearing block rotary body top is connected by bolt pair with powder concentrator actuating device, rotary body bottom is connected by bolt pair with dynamic rotor, bearing block rotary body is formed a connecting link provides rotation torque for dynamic rotor, bearing block static support body is connected with housing by flange, described multiple stage separation particle size adjustment system is fixedly mounted on enclosure interior and is positioned at outside dynamic rotor, multiple stage separation conveyer device is corresponding up and down with multiple stage separation particle size adjustment system, multiple stage separation conveyer device primary screener material discharging opening is positioned at above grinding machine mill.
Further, described vane has wind-guiding and regulates air velocity function.
Further, described feed pipe device is positioned at scalable machine for multi-class selective separation of powder center.
Further, described multiple stage separation conveyer device includes dynamic fluidized device, coarseparticulate material conveying device and finished conveying device.
Beneficial effect
A kind of dual output pattern Vertical Mill that this utility model provides, it is achieved that Vertical Mill exports two kinds of fineness products and meets the purpose of prescription, and the fineness of materials of both products and output are adjustable.Give full play to the advantage that vertical mill grinding cement grog grinding efficiency is high, energy consumption is low.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this utility model embodiment.
Accompanying drawing 2 is that the H-H of Fig. 1 is to sectional view.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is elaborated.
As shown in Figure 1, a kind of dual output pattern Vertical Mill, it includes foundation base 1, basic framework 2, main body rack 3, hydraulic system 4, mill transmission device 5, mill 6, collet 8, pressurization rocking arm 9, grinding roller 10, intake air way 11 and grinding machine shell 12, described actuating device 5, mill 6, collet 8, pressurization rocking arm 9, grinding roller 10 is pulverized in grinding machine entering to grind raw material, it is characterized in that: described mill 6 milling zone periphery is provided with vane 7, vane 7 is positioned at grinding machine shell 12, in mill, the material of pulverizing can be brought powder into scalable machine for multi-class selective separation of powder 13 under certain air velocity carry out thickness feed separation.
Described scalable machine for multi-class selective separation of powder 13 includes feed pipe device 1301, bearing block 1302, dynamic rotor 1303, multiple stage separation particle size adjustment system 1304, multiple stage separation conveyer device 1305, powder concentrator actuating device 1306 and housing 1307, described feed pipe device 1301 top is fixed on bearing block 1302 shell body, decline passway is provided for material downward through bearing block 1302 and multiple stage separation conveyer device 1305, bearing block 1302 rotary body top is connected by bolt pair with powder concentrator actuating device 1306, rotary body bottom is connected by bolt pair with dynamic rotor 1303, bearing block 1302 rotary body is formed a connecting link provides rotation torque for dynamic rotor 1303, bearing block 1302 static support body is connected with housing 1307 by flange, described multiple stage separation particle size adjustment system 1304 is fixedly mounted on housing 1307 and is internally located at outside dynamic rotor 1303, multiple stage separation conveyer device 1305 is corresponding with multiple stage separation particle size adjustment system about 1304, multiple stage separation conveyer device 1305 primary screener material discharging opening is positioned at grinding machine mill 6 and is connected above together.
Described vane 7 has wind-guiding and regulates air velocity function.
Described feed pipe device 1301 is positioned at scalable machine for multi-class selective separation of powder 13 center.
Described multiple stage separation conveyer device 1305 includes dynamic fluidized device 1305a, coarseparticulate material conveying device 1305b and finished conveying device 1305c.
Work process of the present utility model is clinker and dispensing is entered mill 6 surface by powder concentrator feed pipe device 1301, mill transmission device 5 is rotated about axis with movable grinding disc 6 and allows the material on mill 6 surface produce centrifugal action, such material is put into mill 6, collet 8, in the grinding district of grinding roller 10 composition, under the effect of pressurization rocking arm 9 and grinding roller 10, material is rolled crushed with the dual function of storeroom extruding by external force, air-flow containing uniform temperature and speed passes through vane 7 from intake air way 11, pulverized coarse granule is imported to mill 6 grinding district by vane 7 and continues crushed, lightweight granule materials is brought into by air-flow and is upwardly in multistage adjustment powder concentrator 13, first it is directly entered powder concentrator multiple stage separation particle size adjustment system 1304.The multistage particle diameter material entered in powder concentrator is carried out primary separation by the outer ring annular plate blade 1304a of described powder concentrator multiple stage separation particle size adjustment system 1304, the material being separated and the mixture of final finished material and semi-product material enter inner ring annular plate blade 1304b and again separate, and are separated remaining coarse granule material by outer ring annular plate blade 1304a and are entered vertical mill grinding district again by grinding by coarseparticulate material conveying device 1305b.Enter the final finished material of inner ring annular plate blade 1304b and the mixture of semi-product material under itself and dynamic rotor 1303 synergy, isolate final finished material and semi-product material, its final finished material and air-flow are mixed after outside finished conveying device 1305c output to powder concentrator and enter gathering dust in technological process in grinding system, and semi-product material is also exported in the technological process entering ball mill grinding outside powder concentrator by dynamic fluidized induction system 1305a.
As shown in Figure 2, describe in further detail this utility model is how to accomplish the output of Vertical Mill secondary product and regulate.Air-flow and mixtures of materials ABC at different levels are entered powder concentrator the first powder-separating area XX by the gap between every pair of vane group of outer ring annular plate blade 1304a, and in this powder-separating area, material bears the effect of airflow buoyancy and self gravitation.Under the drive of air-flow, the maximum coarse granule material of particle diameter falls down after first contacting with the linear leaf of outer ring annular plate blade 1304a and clash into its surface stall, simultaneously, the short blade of outer ring annular plate blade 1304a causes the air-flow entered between every pair of vane group gap to produce the eddy current physical effect of WW in regional area and cause coarse granule to fall down under self gravitation effect in the instantaneous stall in this region, other little particle diameter material A B is taken away the first powder-separating area XX owing to quality is little under airflow buoyancy effect, namely produces the effect separated.The impact force on its surface of material impacting and the particle diameter (μm) of time started material thus control is dropped or fineness (cm2/g) and total amount (t/h) is controlled by the angle [alpha] of the linear leaf of outer ring annular plate blade 1304a, controlled vortex flow strength size and eddy region area is come thus the drop particle diameter (μm) of material or fineness (cm2/g) and total amount (t/h), Vertical Mill final finished and half-finished mixture AB fineness and yield of WW obtains preliminary adjustment at the first powder-separating area XX in controlled vortex flow region by the angle beta of the short blade of outer ring annular plate blade 1304a.Mixture AB enters the second powder-separating area YY being made up of inner ring ring-type plate blade 1304b and dynamic rotor 1303 afterwards, and in this powder-separating area, material bears the effect of airflow buoyancy, self gravitation and centrifugal force.Dynamic rotor 1303 rotates and the material at the second powder-separating area YY is produced centrifugal action, quality is greatly that the material that particle diameter is big clashes into greatly and first the guide vane of inner ring ring-type plate blade 1304b and causes stall to drop due to centrifugal force, and other little particle diameter material is taken away the second powder-separating area YY owing to quality is little under airflow buoyancy F effect.Material dropping from inner ring ring-type plate blade 1304b is semi-product material B, and the material taken away under airflow buoyancy effect is final finished material A.Control the impact force on its surface of material impacting and the particle diameter (μm) of time started material B thus control is dropped or fineness (cm2/g) and total amount (t/h) by adjusting the angle γ of inner ring ring-type plate blade, be Vertical Mill half-finished.The centrifugal force of different-grain diameter material is controlled by adjusting dynamic rotor 1303 speed of gyration, its strength clashing into guide vane is made to there are differences, thus controlling the particle diameter (μm) of material A or fineness (cm2/g) and total amount (t/h), it is Vertical Mill final finished.
The structure of the present embodiment institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of this utility model, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still drop on the disclosed technology contents of this utility model and obtain in the scope that can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", " centre ", " clockwise ", " counterclockwise " etc. term, it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of this utility model.