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The doctor blade in a paper machine is generally composed of a doctor blade seat, a doctor blade holder, a pressurizing/lifting device, an oscillating device, a doctor blade, etc., as well as ancillary parts such as bearings and journals.1. Scraper seatThe hardness of the scraper holder must be calc

How does the paper machine meet the national environmental protection standards? Let's introduce the situation in this regard.With the rapid development of my country's paper industry, the market demand for paper products is also gradually increasing. It can be predicted that my country's paper prod

The paper machine will produce foam. When the slurry contains more free air and more surface active substances, it is easy to form stable bubbles, which float on the surface of the slurry to form foam.In severe cases, the foam overflows, which brings trouble to the operation. The foam floats on the

In the auxiliary system of the paper machine, the energy consumption of the vacuum system accounts for 30%~40% of the whole system, and some are even higher.Problems facing vacuum systemsIn the paper machine auxiliary system, the vacuum system occupies an extremely important position in terms of ene

Whether the steam supply system of the drying section of the paper machine is reasonable has a great influence on the paper quality, steam consumption and operation management of the drying section. This part of the paper machine is mainly designed according to the following principles:1) It can ens

Facial paper machine Shell-and-tube plate heat exchangers are also called shell-and-tube heat exchangers, pressure controllers, and use the wall of the tube bundle enclosed in the shell as a heat transfer tool. The shell-and-tube heat exchanger has the advantages of simple structure, convenient ope