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DZL 2 Ton Biomass Steam Boiler

 The DZL series steam boiler is a single-drum vertical water-fire tube shell boiler, and the combustion equipment is a chain grate. The water walls on the left and right sides of the furnace are radiant heating surfaces, the two wings of the furnace are convective heating surfaces, and the convection heating surfaces of threaded smoke pipes (457×3.5) are arranged in the drum. The outer side of the boiler main body is a three-dimensional protective plate shell.



The overall structure of the 2 ton biomass steam boiler body adopts an upper drum, a water-cooled wall tube and a header symmetrically arranged on the left and right sides. The drum consists of a middle 1200×14 cylinder and a middle 1200×12 front and rear tube plates welded together. The water wall tube is a medium 51x3.5 boiler tube, the header is a medium 159x6 boiler tube, and the down tube is a medium 133x6 boiler tube.

Chain grate steam boiler 2 ton steam boiler This series of steam boilers adopts new scientific research results, such as: arched tube sheet, threaded smoke tube, secondary air, chain grate, etc., which solves the problem of bulging and pipes in the lower part of the shell of the shell boiler. Problems such as plate cracks, low thermal efficiency, and insufficient output.



Technical characteristics of 2 ton steam boiler

  1. The use of arched tube sheet and threaded smoke tube to form the drum, so that the drum is changed from a quasi-steel body to a quasi-elastomeric structure, and the bracing parts in the tube plate area are eliminated and the stress is reduced. The smoke tube in the tube sheet is changed from two-pass to single-pass, which solves the problem of tube sheet cracks.
  2. As the lower part of the drum is arranged with the rising pipe row, the dead water area at the bottom of the drum is eliminated, so that the sludge is not easy to deposit, the high temperature area of ​​the drum can be well cooled, and the bulge in the lower part of the drum is prevented.
  3. The heat transfer threaded smoke tube is adopted to obtain an enhanced heat transfer effect, achieve the characteristics of boiler heating and pressure rise quickly, and improve the thermal efficiency of the boiler.
  4. The structure is compact, compared with the same type of boiler, the overall size is small, saving the capital investment of the boiler house.
  5. Stable operation, convenient adjustment, and sufficient output.
  6. The use of threaded smoke tube to enhance heat transfer, improve the heat transfer coefficient and thermal efficiency, because the flue gas has a disturbing effect in the tube. Dust is not easy to accumulate in the smoke pipe, which plays a role of self-cleaning.
  7. The eight-shaped wall in the furnace and the exit smoke window have a certain effect of reducing dust.
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