The National Standard for Light Truck Series Special Vehicles will be postponed

According to the news from the environmental protection department, the state-standard for heavy-duty diesel vehicles will be implemented on schedule from July 1. However, due to the fact that domestic oil supply cannot meet the requirements, the national standard for the implementation of the fourth national standard for light-duty diesel vehicles, which account for nearly half of the diesel vehicle fleet, will be implemented. Will be postponed again, and the specific implementation time is uncertain. Then, the dilemma of atmospheric pollutant emissions caused by "vehicle oil out of synchro- nization" still cannot be solved.

According to sources, the technology adopted by the National IV light-duty diesel vehicle is only applicable to diesel with a sulfur content of 50ppm (National Standard), and 350ppm (National Standard) diesel is not supplied to the country until July 1 this year. When the supply of diesel oil is nowhere in the country, current oil products cannot meet the requirements of diesel engines and exhaust gas after-treatment devices under the new standard.

This is the second time that the national standard for light diesel vehicles has been postponed. The National Standard for Light-duty Diesel Vehicles, promulgated in 2005, stipulates that the type approval of the fourth stage shall be implemented from July 1, 2010. From the year after that date, that is, from July 1, 2011, all manufactured and sold lightweight Vehicle emissions must meet the requirements of this standard.

Rotary Tablet Press

Classification of tablet press: Models can be divided into single punch tablet press, rotary tablet press, sub-high speed rotary tablet press, automatic high speed tablet press and rotary core tablet press.

The sheet shape pressed by the tablet press is initially flat circular, and later developed into shallow circular arc and deep circular arc on both sides, which is for the need of coating. With the development of special-shaped tablet press, oval, triangle, oblong, square, diamond, circular ring tablets followed. In addition, with the continuous development of preparations, due to the requirements of compound preparations and timed release preparations, special tablets such as double layer, triple layer and core coating are made, which need to be completed on special tablet press.

Rotary tablet press is a machine which is made of several pairs of die distributed on the turntable to make a circular lifting movement according to a certain track and press the granular material into tablet through the press wheel. And the stamping rod with the rotary table rotating speed ≥60m/min line press is called high-speed rotary tablet press, this high-speed rotary tablet press has a forced feeding mechanism, the machine is controlled by PLC, has the automatic adjustment of pressure, control the weight of the piece, eliminate the waste piece, print data, display fault shutdown and other functions, in addition to the control of the weight difference within a certain range, Quality problems such as missing Angle and loose lobe can be automatically identified and eliminated.

With the development of market demand, the scope of application of tablet press is more and more wide, no longer simply limited to the suppression of Chinese and Western medicine tablets, more widely suppressed health food, veterinary medicine tablets, chemical tablets: such as mothballs, washing blocks, smurf blocks, art powder, pesticide tablets, food tablets: chicken essence block, isatis root block, divine Qu tea block, compressed biscuits.

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