PRESSURELESS BOILER WITH HOT-WATER CIRCULATION

PRESSURELESS BOILER WITH HOT-WATER CIRCULATION

  • CN 2,049,327 U
  • Filed: 12/23/1988
  • Issued: 12/13/1989
  • Est. Priority Date: 12/23/1988
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of hot water circuit pressure-less boiler, it comprises and has return pipe (1), the lower furnace body (2) of water inlet pipe (15), in the inside of lower furnace body (2) is the lower furnace (3) that is welded with heating tube (4), on the top of lower furnace body (2) is the upper furnace body (8) that has flow pipe (12) row pressure joint (17), in the inside of upper furnace body (8) is the upper furnace (9) that is welded with heating tube (10), the centre that it is characterized in that lower furnace body (2) and upper furnace body (8) is by headgear pipe (6), and string water pipe (7) and flue (13) couple together two bodies of heater up and down by center line.

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