Pulp-wash′er.
A machine for removing dirt or foreign matters from paper pulp. The machines are of various kinds, as will be seen be examining those shown in Fig. 4023, which will be understood without lengthy explanation. Means are provided for supplying fresh water and discharging foul water without carrying off the stock. A screen is employed to separate grain, gravel, etc. See also pulp-dresser.Pulse-glass. |