1. When selecting a type, first consider what kind of raw material is pulverized by the pulverizer purchased. For crushing grain feeds, hammer mills with top feed can be selected; smashed bran grain wheat feeds can be selected, and claw mills can be selected; if versatility is required, such as crushing cereals, Both the cake valley and the straw can be selected, and the tangential feed hammer mill can be selected; the mineral feed such as shells can be crushed, and the shellless sieve mill can be selected; if used as a premix feed, the particle size of the product is required to be crushed. Fine and can be adjusted according to the needs, should use special non-screen crusher.
2. The specifications and the nameplate of the general pulverizer carry the rated production capacity (kg/h) of the pulverizer. However, it should be noted that: (1) The rated production capacity is generally based on the crushed corn, and the water content is stored in the state of storing safe moisture (about 13%) and φ1.2mm aperture sieve. The commonly used grain feed, the sieve with a diameter of 1.2 mm is a commonly used small sieve hole, and the production capacity is small at this time, which takes into consideration the more common and difficult state in production. (2) The production capacity of the selected pulverizer is slightly larger than the actual required production capacity, and the continuous production and supply of feed will not be affected when the production capacity of the pulverizer is reduced due to wear of the hammer and air leakage.
3. The energy consumption of the pulverizer is very large. When purchasing, it is necessary to consider energy saving. According to the standards of the relevant departments, the hammer mill will not produce less than 48 kg per kWh when smashing the sieve with φ1.2mm mesh for corn. At present, the power output of the domestic hammer mill has greatly exceeded the above regulations, and the high quality has reached 70 to 75 kg / kWh.
4. The matching power of the crusher. Both the machine manual and the nameplate carry the kilowatts of power of the motor of the shredder. It often indicates not a fixed number but a certain range. For example, 9FQ? 20 type pulverizer, supporting power is 7.5? 11kw; 9FQ? 60 type pulverizer, supporting power is 30? 40kw. There are two reasons for this. First, there is a big difference in the power required when the pulverized raw materials are different. For example, under the same working conditions, the pulverized sorghum is twice as powerful as the pulverized corn. Second, when switching to different sieve holes, the load of the pulverizer has a great influence. Some people think that when the 9FQ? 60 type pulverizer uses a sieve of φ1.2mm mesh, the motor capacity should be 40kw. When using a sieve with φ2mm mesh, a 30kw motor can be used, and a φ3mm mesh hole is a 22kw motor. Otherwise it will cause some waste. The hammer mill can be calculated using the following empirical formula. 1v=6.4?10.5Q(kw) type: 1v-supporting power (Kw) Q-pulverizer rated productivity (T/h) 6.4?10.5 is the coefficient, coarse pulverization takes small value, fine Smash to take a large value.
5, should consider the crusher discharge method. There are three ways to pulverize the finished product through the discharge device: self-weight blanking, vacuum suction and mechanical conveying. Small single machines use self-weighting to reduce the structure. Most of the medium-sized pulverizers are equipped with a negative pressure suction device. The advantage is that the moisture of the finished product can be absorbed, the humidity in the finished product is reduced, the storage efficiency is improved, the pulverization efficiency is increased by 10-15%, and the dusting degree of the pulverization chamber is lowered. Institutional transport is mostly used for shredders with a desktop output greater than 2.5T.
6. Dust and noise of the pulverizer. The dust and noise in feed processing are mainly from the pulverizer. These two sanitation indicators should be fully considered in the selection. If you have to use the noise and dust high crusher, you should take noise reduction and dust-proof measures to improve the working environment and help the operator's health.
Shandong Chunyu Water-saving Irrigation Equipment Co., Ltd., founded in 2011, is located in Laiwu High-tech Zone, Jinan City. It is a high-tech enterprise focusing on innovative and efficient emitter mold manufacturing and emitter product research and development and production. After nearly ten years of innovation and development, it is the invisible champion enterprise in Shandong Province, and now it is in a leading position in this field in China.
Spring rain people-oriented, build talent highland. At present, the company has 16 high, fine and advanced technical personnel, and cooperates with a number of scientific research institutes, forming a mold design, emitter testing, flow testing and other professional technical personnel team. In recent years, it has obtained 3 invention patents, 33 utility model patents and 3 patent awards. In 2019, it was identified as an intellectual property advantage enterprise in Jinan. It has undertaken 4 provincial science and technology innovation projects and won 2 second prizes of Shandong Science and Technology Progress Award. The company has built Jinan drip emitter mold engineering technology research center, the company has a slow wire cutting, CNC machining center, precision EDM machine, 3D projection measuring instrument, CNC engraving, laser engraving and other advanced processing equipment. Mature technology and rich experience support the excellent quality of Chunyu. Spring Rain pays attention to every link of production, implements 8S management, strictly controls the quality of products at the beginning, the middle and the end, and forms the seamless link of production management. The company has independently researched and developed flat emitter molds with full hot runner, cylindrical emitter molds with full hot runner and other products. With excellent quality, competitive price and good after-sales service, the company is well known at home and abroad, and has been sold well in Egypt, India, Iran, Turkey, Saudi Arabia, the United States and other countries.
With the vision of "building a global professional emitter mold supplier" and the mission of "providing solutions for efficient and innovative production of global water-saving irrigation enterprises", the company takes "scientific and technological innovation to scale new heights; Keep improving, the pursuit of excellence; Honesty and trustworthiness, win-win cooperation "for the values of the enterprise. For the construction of water - saving and resource-saving society to make a positive contribution.
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Shandong Spring Rain Water Saving Irrigation Equipment Co.,Ltd. , https://www.drippermould.com