Shell type pressure intermediate hot medium hot water boiler

Shell type pressure intermediate hot medium hot water boiler

  • CN 2,402,957 Y
  • Filed: 07/09/1999
  • Issued: 10/25/2000
  • Est. Priority Date: 07/09/1999
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of pan shell type has the intermediate heat of pressure medium hot-water boiler, it is by what drum [1], down-comer [4], tedge [5], collection case [6], threaded flue [7] constituted the pressure steam boiler to be arranged, it is characterized in that:

  • in the air space of drum, install condensing heat exchanger, this condensing heat exchanger is formed by U type pipe [2] with for backwater allocation set case [3], the row of number U type pipe [2] is welded on the tube sheet that supplies backwater allocation set case [3], welded together with drum simultaneously then, U type pipe is fixing in drum, and each sealing surface requires sealing tight.

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