A CAP ASSEMBLY AND A METHOD OF COOLING A HOT DRAWN FIBER IN A HEAT EXCHANGE UNIT

摘要

The invention relates to a cap assembly 1 for feeding cooling gas and sealing gas to and collecting cooling gas from a heat exchanger device 2 comprising sidewalls 4, a fiber inlet end having an opening in its center 5, a fiber outlet end having an opening in its center 6, and connecting with an opening in its center 11 which is attached to the fiber outlet end 5, characterized in that the side walls 4 having mounted therein a port 8 to allow gas to flow through said side walls 4, said port 8 comprising a hollow bore extending radially out from the side walls 4 and said cap assembly I being shaped and sized to be removable from said heat exchanger device 2. The invention relates to a, method of cooling a hot drawn fiber 3 in a heat exchange unit.