Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method and arrangement of impregnating chips










Image Number 2 for United States Patent #7615134.

The method and an arrangement are for improved impregnation of chips in association with the manufacture of chemical cellulose pulp. Un-steamed chips are fed into an impregnation vessel (30) in which a fluid level (LIQ_LEV) is established under the highest level (CH_LEV) of the chips. An improved impregnation arrangement for the chips is obtained by the addition of impregnation fluids (BL1/BL2/BL3) with increasing temperatures at different heights (P1, P2, P3), and by the establishment of a counter-flow zone (Z1) in the uppermost part of the impregnation vessel. The requirement for steaming may in this way be dramatically reduced while at the same time the amount of expelled waste gases may be minimized. A major part of the volatile compounds present in the wood are bound to the impregnation fluid (REC) that is withdrawn.








 
 
  Recently Added Patents
Inspection systems and methods for detecting defects on extreme ultraviolet mask blanks
Resistor and manufacturing method thereof
Lighting elements
Mobile communication device and method for providing positioning information
Hoists
Method and device for managing a turning setpoint applied to at least one turning actuator for the rear wheels of an automobile
Methods and compositions for wound healing
  Randomly Featured Patents
Digital chromakey apparatus
Stable blue phosphor for plasma display panel applications
Dynamic matching of current sources
Constant contact lay-on roll winder
Amplifier
Reflective dead angle vision device for vehicle side mirrors
Stand
Revolving door with metal detection security
Oral compositions containing bis-biguanides with reduced staining tendencies
Electronic component and radiating member, and method of manufacturing semiconductor device using the component and member