CN201064776Y

CN201064776Y - Materials sizing machine

Info

Publication number: CN201064776Y
Application number: CNU2007200251700U
Authority: CN
Inventors: 王兆连; 孟庆勇; 张成才
Original assignee: SHANDONG HUATE MAGNET TECHNOLOGY Co Ltd
Current assignee: SHANDONG HUATE MAGNET TECHNOLOGY Co Ltd
Priority date: 2007-07-14
Filing date: 2007-07-14
Publication date: 2008-05-28
Anticipated expiration: 2017-07-14

Abstract

The utility model discloses a material grader, comprising a material grading cavity shell; a motor is arranged above the outside of the top surface of the material grading cavity shell, a grading impeller of the motor drive is arranged below the inner of the top surface of the material grading cavity shell, a plurality of impeller blades are arranged at the radial periphery evenly at intervals. Both ends in the axial direction of the grading impeller are equipped with an upper guard plate and a lower guard plate; a high-alumina ceramic sheet is pasted and covered on the inner wall of the material grading cavity, and a layer of polymer based composite is painted and covered on the outer surface of the grading impeller and the impeller blades, thus the damageable parts of the material grader basically have no abrasion; the device has long service life, the cost of operation is greatly reduced; comparing with the steel impeller with the same volume, the utility model has nearly half the weight, and the power of the used dynamic motor is also reduced by nearly one time, thereby the energy saving effect is obvious and the manufactured product has high purity.

Description

A kind of stock grading machine

Technical field

The utility model relates to a kind of stock grading machine, especially a kind of nonmetallic ore processing classifying equipoment that is used for.

Background technology

Along with the develop rapidly of science and technology, high-tech product more prevalent, the consumption of nonmetal mineral product is increasing, and especially the consumption of high-quality high-purity and high fineness nonmetal mineral product increases severely day by day.The export volume of this several years China's nonmetal mineral products is increasing, but like product is particularly also differing a class than world standard qualitatively on purity, exactly because this reason like product in the international market our price differ greatly than abroad, this has just proposed requirements at the higher level to the production of nonmetal mineral product.China's vast territory and abundant resources non-metallic mineral resource is abundant, and nonmetallic ore manufacturer is numerous, and particularly high-purity, high nonmetallic ore manufacturer thin, high added value is on the increase.The manufacturing technique method of these manufacturers is roughly the same, and used classifying equipoment adopts carbon steel material to make, and adopts the main drawback of the stock grading machine existence of carbon steel material manufacturing to be: 1, seriously polluted to converted products; Because the wearing no resistance of carbon steel material, in use at any time mill down a large amount of impurity enter in the middle of the material, though moreover add removing that magnetic separation also can not 100% and also have other impurity.Product quality is reduced greatly, even concerning some industry, be exactly waste product, narrow down a lot to the use face that makes product.2, energy consumption height; Therefore weight is big because the critical piece of generic hierarchical machine " classifying turbine " uses carbon steel or stainless steel material making, so the power motor power of usefulness is just big, the used motor power (output) of equipment of same model is bigger nearly one times than novel device.3, service life is short; Used this production equipment in the middle of the current production is particularly being produced quartz sand, in the use of high rigidity materials such as potassium albite, is at most that 3-6 month time just can be worn out the outer wall of equipment in the use of the different frequencys, and impeller is ground away.4, poor product quality, of low grade; Because whole equipment is not wear-resisting, so product just must enter a large amount of iron and some other impurity in the middle of production process, so just causes seriously decline even can't use as industries such as pottery, electronics in the high industry of ask for something of product quality.

Summary of the invention

The technical problems to be solved in the utility model is to have drawbacks such as equipment is easy to wear, institute's production poor product quality at existing stock grading machine, and the stock grading machine that a kind of service life of equipment is long, institute's production product purity is high is provided.

For solving the problems of the technologies described above, the utility model comprises the stock grading cavity shell, above outside stock grading cavity shell end face motor is installed, be equipped with by motor-driven classifying turbine below in stock grading cavity shell end face, classifying turbine radially perimembranous evenly is arranged at intervals with some impeller blades, the axial two ends of classifying turbine are provided with upper and lower protective plate, its design feature is to be covered with the high alumina ceramic sheet on described stock grading cavity wall, and classifying turbine and impeller blade outer surface thereof are coated with polymer composite.

As to improvement of the present utility model, the upper and lower protective plate of described classifying turbine is made by macromolecular material; It is block that described high alumina ceramic sheet is, and its thickness is 2.5-3.5mm.

After adopting said structure, owing on the stock grading cavity wall, be covered with the high alumina ceramic sheet, classifying turbine and impeller blade outer surface thereof are coated with polymer composite, make the easily worn part of stock grading machine not have wearing and tearing substantially, service life of equipment is long, be 8-10 times of same category of device service life, and running expense reduces greatly; The rotary part classifying turbine of equipment and impeller blade thereof adopt composite to make, and with volume steel impeller relatively, nearly one times in light weight, the power of used power motor is also little nearly one times, and energy-saving effect is obvious; Because whole production equipment has all adopted macromolecule and high abrasion resisting material to protect comprehensively, therefore the product of being produced is a high purity product, can be widely used in high value-added industries (as: electron trade, silion cell, insulating materials etc.), can compare U.S. with the like product of international most advanced level.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is the sectional view that impeller blade amplifies among Fig. 1;

Fig. 3 is the local structural representation that amplifies of I part level cavity wall among Fig. 1.

The specific embodiment

With reference to accompanying drawing, this stock grading machine comprises the stock grading cavity shell, constitutes stock grading chamber 6 by the stock grading cavity shell, motor 1 is installed above outside stock grading cavity shell end face, motor 1 is realized stepless speed regulation by Frequency Converter Control, thereby reaches the requirement of producing material of different grain size.The classifying turbine 2 that is driven by motor 1 is installed below in stock grading cavity shell end face, classifying turbine 2 is in 6 tops, stock grading chamber, under the direct drive of motor, realize classification to material of different grain size by different rotating speeds, all products all are by the impeller output, classifying turbine 2 inner chambers are communicated with the material outlet 8 that is located at stock grading cavity shell top, classifying turbine 2 realizes that by negative pressure that is communicated to the blower fan formation on the material outlet 8 and the interactions such as centrifugal force that rotation forms the cutting large granular materials passes through the material that meets granularity requirements smoothly, be provided with feed pipe 5 in 6 bottoms, stock grading chamber, material to be fractionated enters the stock grading chamber from here, the material that is entered by feed pipe fully spreads in this cavity, for the classification of classifying turbine is got ready, the bottom in stock grading chamber 6 is a coarse fodder blanking device 7, the automatic alternation switch of valve up and down of this device has promptly been put the sealing that coarse fodder has guaranteed cavity again.Classifying turbine 2 radially perimembranous evenly is arranged at intervals with some impeller blades 3, classifying turbine 2 axial two ends are provided with, following protective plate 4, on described stock grading cavity wall, be covered with high alumina ceramic sheet 9, it is block that high alumina ceramic sheet 9 is, its thickness is 2.5-3.5mm, specification is 10 * 10mm, stick on the stock grading cavity wall by high-strength bonding agent, classifying turbine 2 and impeller blade 3 outer surfaces thereof are coated with polymer composite, impeller blade 3 shown in Figure 2 is that the outer surface at steel skeleton 9 is coated with polymer composite 10, make impeller blade become the composite impeller blade, with with volume steel impeller relatively, nearly one times in light weight, this polymer composite is mainly by polyurethane about 80%, filler zirconia 15%, auxiliary material such as carborundum 5% and other antiagers are formed.The upper and lower protective plate 4 of aforesaid classifying turbine 2 is made by macromolecular material, and its main component is a polyurethane about 70%, and zirconia and carborundum filler reach other auxiliary material about 30%.So in process of production, avoided material and Metal Contact to be fractionated, because whole production equipment has all adopted macromolecule and high abrasion resisting material to protect comprehensively, therefore the product of being produced is a high purity product, improve the abrasion resistance of impeller, prolonged the service life of impeller and the service life of stock grading cavity wall.

Claims

1. stock grading machine, comprise the stock grading cavity shell, motor (1) is installed above outside stock grading cavity shell end face, the classifying turbine (2) that is driven by motor (1) is installed below in stock grading cavity shell end face, classifying turbine (2) radially perimembranous evenly is arranged at intervals with some impeller blades (3), classifying turbine (2) axially is provided with upper and lower protective plate (4) in two ends, it is characterized in that being covered with on described stock grading cavity wall high alumina ceramic sheet (9), classifying turbine (2) and impeller blade (3) outer surface thereof are coated with polymer composite.

2. stock grading machine according to claim 1 is characterized in that the upper and lower protective plate (4) of described classifying turbine (2) is made by macromolecular material.

3. stock grading machine according to claim 1 is characterized in that described high alumina ceramic sheet (9) is block, and its thickness is 2.5-3.5mm.