Patent ID: 6189491
Filing Date: 2001-02-20
Classification: F22B

Abstract:
A steam generator, comprising:an entry collector;a discharge collector;a heating-gas duct; andat least one once-through heating area disposed in said heating-gas duct through which a flow is conducted in an approximately horizontal heating-gas direction, said at least one once-through heating area formed from a number of approximately vertically disposed steam-generator tubes connected in parallel for a through flow of a flow medium, said steam-generator tubes configured such that a steam-generator tube of said steam-generator tubes heated to a greater extent compared with a further steam-generator tube of said steam-generator tubes has a higher flow rate of the flow medium compared with said further steam-generator tube, said steam-generator tube and said further steam-generator tube commonly connected to form a first end and a second end, said entry collector connected to said steam-generator tube and said further steam-generator tube at said first end and said discharge collector connected to said steam-generator tube and said further steam-generator tube collector at said second end.