外文翻译-往复式给煤机的状况、改进及节能措施.doc

1、英文原文Conditions, improve and energy-saving measures Reciprocating coal feederEquipment of the coal mine production system is one of the main equipment, the reliability of it, in particular parts of the throat is the key to the reliability of such equipment, will directly affect the normal operation o

2、f production systems. At present, Chinas coal mines to the coal used primarily is reciprocating coal feeder and coal to power vibration machine, In recent years, the electric machine vibration to the development of coal faster serialization and standardization has been formed; and reciprocating coal

3、 feeder 60 from the 20th centurys stereotypes, the series of improvement and expansion of the work has been carried out. With the rapid development of the coal industry, coal type is also growing well, the existing reciprocating coal feeder Coal is no longer able to meet the selection requirements o

4、f production systems. It is precisely for this reason that，We are on the basis of the coal feeder for the use of a large number of studies，development of the large-scale reciprocating coal feeder, include 800t / h, 1000t / h, 1500t / h, 2000t / h, Reciprocating the earliest development of coal feede

5、r 60 in the early 20th century, 70 years, based on the NGW, the replacement of the drive into K series, and are still in use. Reciprocating coal feeder of K series has a total of five models: K-0, K-1, K-2, K-3, K-4, K-4 is the largest production capacity, but still only 590t / h. The development of

6、 Reciprocating coal feeder has no different between abroad and national, it doesnt have a higher technological content, but the price is 4 to 5 times in similar products.1、The own structure superiority of reciprocating coal feeder1) Structure simple, the service quantity is small .In the reciprocati

7、ng coal feeder, the electric motor and Reduce use the standard letter, other majorities are the Welding parts, the vulnerable part are few, Under bad conditions in the coal mine, its serviceability deeply Praised by the use of units.2) The performance is stable The reciprocation type stoker to the c

8、oal trademark, the size composition, request and so on moisture content, physical property is lax, when comes to expect the non-uniformity, the moisture content does not stabilize also clamps has the big lump coal, Rubber Belt, the wood and the steel wire, and so on ,still could the normal work.3) T

9、he noise is low the reciprocation type stoker right and wrong Vibration has the source for material equipment. its noise only to have the electric motor and the reduction gear, but these two noises very are all low .Especially in the mine shaft or Bunker and so on the enclosed place，the noise is una

10、ble to proliferate, this point is electrically operated is unable for the material machine to achieve.4) Installs conveniently, is highly small The reciprocation type stoker generally installs in Bunker the warehouse mouth, does not need other configuration warehouse mouth strobe distill trough and

11、the support of motor, the installment may reach ones goal instantly, the adjustment work load is small, but electrically operated stoker because cannot directly withstand the warehouse pressure, needs moreover to place the warehouse mouth transition Chute under, compares, the reciprocation type stok

12、er hold highly slightly, has saved the floor space and the investment.2、Large-scale reciprocation types deceive the coal machine structural style characteristic .We through carry on the analysis to the former stoker investigation, has carried on the thorough computation to the structure pattern, to

13、the essential stress spot like tank, the double connecting rod, the base held the roller and so on to carry on the stress analysis, carried on the examination computation using the finite element principle. Altogether has following five characteristics.1) Entire machine uses the frame Themselves to

14、be possible to unload the type Because considered the mine shaft transportation the convenience and the mine shaft industry and mining limit, entire machine uses a minute writing style, moreover considered the mineshaft welding inconvenient, uses the bolt vice- joint, the side bar to consider the ex

15、ternal drum the possibility and the wear the need, lays down in the flank Reinforced inside Lining, strengthened the whole rigidity and the intensity.2) Increases Dao ban the guidance and the blocking In makes the reciprocal motion under Dao ban to additionally build several groups of requests rolle

16、rs wheel, on the one hand changes Dao ban the sliding friction for to roll the friction, reduced the attrition, on the other hand also causes Dao ban the rigidity enhancement. Moreover, for prevented Dao ban is transporting Moves in the process to have runs the leaning phenomenon, in Dao ban two sides installments guidance wheel. 3) Uses the hyperbolic trough drive type The stoker drive uses the hard tooth face reduction gear，ordinary plug shaft