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mill technical performance and working principle outlined a. Technical performance 1, Specification: F2.2 × 11 ball 2, use: used in cement, metallurgy, chemical, refractory and other industries. 3, the main technical performance: Effective diameter: F2100 mm Effective length: grinding positions: 2750mm Rotary dryer Ogura: 2447mm grinding positions: 5250mm mill speed: 21.4 rev / min grinding reproduced capacity: 45 tons Production capacity: grinding cement: 16 -18 tons / hour (open flow, clinker kiln, the feed is not greater than 20 mm, the fineness of 0.08 aperture sieve 4-6%). Motor: Model: JRQ1512-8 Power: 570KW Speed: 735r.pm voltage: 10000V reducer: Model: ZD80-9-? Ratio: 5 Dimensions: length × width × height 16,780 mm Rotary dryer × 5356 ? × 4210 mm. Total weight: 79 tons (not including grinding) water consumption: Each main bearing water consumption is 1.5 tons / hour. Two. Working principle and structure Overview This mill is a new generation of high-flow thin tube mill open. Mainly used for fine grinding of materials can be used in cement, metallurgy, chemical, refractory and other industries, especially high-fine grinding of cement, manufacture of high-strength cement, or by fine grinding, multi Blending Materials In the case of constant assurance label to increase cement production. In today's high is an ideal powder milling machinery. As we all know, in the cement, metallurgy, chemical and many other industries, the need for fine grinding of materials, but the use of ordinary ball mill, the material in the mill to a certain degree of fineness, often there will be sticky material, agglomeration, especially in the cement industry increase the fineness of grinding is to improve the cement grade is an important way, and the use of a common open stream multi warehouse ball, can not produce high fineness of cement. The main reason is Rotary dryer the surface area in the cement mill far more than 3400cm 2 / g or more, cement mill appeared in serious agglomeration, molasses phenomenon, hindering the conduct of fine grinding, so when the cement grinding unit power consumption rising rapidly, lining the retaining bolt is frequently interrupted by the accident off the liner also frequent, and because the temperature inside the mill, resulting in dehydration of gypsum to form cement false condensate phenomenon. characterized the cement grinding mill, this surface area can be achieved 4500cm ² ;/ g or more, no fly ash cement clinker grinding, this surface area can be achieved 6000cm ² / g or more, and thus to an open flow of the production process, to meet the production of high strength, rapid hardening, high strength cement and even effect. This means that with the powder on the closed loop grinding economic saving considerable sum of investments. In contrast, other equipment and reduces maintenance costs and manpower, resources, power consumption and so on. Attached to machines with less equipment, the process is simple, small investment, operating cycle is long, easy to operate, and the transformation of the old factory and easy. Received less investment, energy saving effect. This new high-thin tube mill, ball mill solution to a common presence in the fine grinding of materials accumulation of sticky media, lined plate, diaphragm plate and grate plate vicious grinding and other issues. Its structure is characterized by: the use of overflow type compartment plate, overflow grate plate, guide materials and lifting systems and pellet composed of blind separation device. Last Position exit hole using a small grate grate plate, and use special grinding grading. According to the granularity of the material should be adapted to the size of the grinding principle, Rotary dryer use small pieces of steel forging tail positions, increasing abrasive materials and grinding area, so there is a clear ball high fine grinding effects and good economic benefits. In special circumstances , can also be equipped with the powder in order to achieve a finer grinding results. novel high thin tube mill not only in the production of high-fine cement or other high fine products, with good technical and economic results, for the production of cement or general fineness Other high fine products, but also can improve the production to Taiwan, reducing the host unit power consumption and actual power consumption of the ball mill. By the transmission part of the mill, main bearings, and out equipment, rotary parts and other components of the composition. Now the parts are summarized as follows: 1, transmission (5984-1) transmission system comprises an electric motor, speed reducer, drive shafts, gears and coupling section size and so on. Motor and reducer couplings between flexible pin coupling, gear and pinion shaft with rubber block coupling joints, such coupling shock absorption, and can reduce the impact of vibration on ball impact reducer . Can increase equipment life, to improve the life of the transmission gear, the mill uses shifted gears, gear modification coefficient of 2.7, the pinion modification coefficient is 0.77, the ratio i = 6.87. Great gear modification in the cylinder flange fixed by winding type motor through dowel pin coupling, reducer, rubber block flexible couplings, drive shafts, pinion, ring gear driven rotary cylinder. 2, the feed means (5984-05) the feeding device includes a feed hopper, stand, observation door, into the hopper without lining, is the use made of lifting the liner itself, can reduce the material of the hopper wear, between the hopper and the frame gasket, a method of shims to adjust the center height. Upper air temperature hole into the hopper. When not in use with a plug and tighten. 3, the rotary part (MB2295-01) rotating in part by access to material spiral tube, and out of quill shaft, gear, cylinder, liner and overflow type compartment plate, overflow grate plate, lead material, lifting systems and pellet composed of blind separation device and other components. A3 steel cylinder with a 20 mm rolled welded steel cylinder ends welded similar flat cap, the use of such structures can reduce the weight of the equipment. But also to ensure the casting quality of the hollow shaft. There are three people on the open cylinder bore, each person and the cylinder bore is the same material used to strengthen plug welds strengthened. The body is divided into coarse grinding position, Kokura, fine grinding compartment. In fine grinding compartment and a quill shaft hole grate plate useful for separating out of the unloading position, with the lifting plate and discharge cone, the coarse positions and small compartment with ZGMn13 hoop ladder liner, using bolts to connect the cylinder, the liner in order to prevent stress concentration, oval-shaped bolt holes. In fine grinding compartment inlay puzzle ZGMn13 wavelet liner. The entire rotary part on two Rotary dryer hollow shaft supported on two main bearings, and out of quill shaft coupling bolts and cylinder flat cap. 4, the main bearing (6713-02) is the spherical bush main bearings, bearing housings and cover other major component parts. To ensure the two hollow shaft axis maintained at a axis, a spherical bearing tile body, and to ensure that the automatic adjustment. Main bearing lubrication, the hollow shaft with fixed oil ring, ring with oil lubricated by the oil. To prevent leakage, the main bearings at both ends with scraper brush, with the near side of the scraper plate cylinder, in order to ensure that the main bearing in the normal working temperature, both main bearings and spherical bush with cooling water through the cooling . As the grinding of clinker to generate heat, to prevent the spread of heat the material inside the mill, affect the bearing to work properly, the spiral tube and the hollow shaft to fill the gap between the asbestos 35mm diatomaceous earth (or asbestos rope) to heat. 5, a feeding device (6713-01) of the feeding device is the material to cover, bracket, discharging sieve and other parts. Discharge screen by bolts and a feed screw barrel coupled together by grinding the material after After screening the material falling into the hood, where impurities (such as iron, bolts, etc.) can not fall, stay in the sieve, after certain period of time from the manual cleaning out. Cast unit fitted in the discharge pipe, and dust collector connection, in order to prevent air leakage, the lower air lock device shall be installed, and then connected with the transportation equipment, otherwise it will affect the mill discharge.
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