SZLseries coal-fired steam boiler

SZL series coal-fired steam boiler

coal-fired boiler

  • Working pressure:4-35 t/h
  • Product thermal capacity:1.0-2.5 MPA
  • Outlet temperature:184-350 ℃
  • Available fuel:Bituminous coal, lean coal, anthracite
  • Available industries:Heating, chemical, food, tobacco, textile, print and dyeing, feed, medicine, building materials, wine, hospital

Introduction

SZL series vertical dual drums chain grate water tube steam and hot water boiler, adopts quick fitting and assembly structure. The 4-6t/h boiler is of quick fitting tube structure, exit shop after completely assembled, the boiler of 6-35t/h is composed of 2 main components. The upper assembled component is the boiler proper heat absorbing part, and the lower assembled component is of combustion equipment. The former part of the boiler proper is arranged a membrane wall, the upper part of it is connected to boiler cylinder, and its lower part is connected to collective chest, so as to form a combustion room and absorb the radiated heat from the furnace. Its rear part is arranged with dense convection tubes between upper and lower boiler cylinders. The high temperature smog after combustion shall stand for twice returning flushing transversely to the heat accepting surfaces, and shall be introduced to coal saver singly arranged, and flow into duster and exhausted from chimney in the end.

Technical advantages

  1. Steel tube cutting, thread tube pressing and convection tube processing all adopt advanced CNC technology.
  2. Automatic production line.
  3. The chain grate panel, front and rear smoke chamber panel adopts CNC plasma cutting machine to cut orderly and beautifully.
  4. Enhance heat transfer and raise boiler thermal efficiency.
  5. Secondary air is input to disturb fuel gas in the furnace, to ensure the fuel is burnt totally. The independent secondary fan makes it easy to control and adjust the air volume and air pressure.

Product parameters

Model Rated evaporation(t/h)Rated working pressure(MPaRated steam temperatureThermal efficiency(%)
SZL4-1.25-AI41.2519482.8
SZL4-1.60-AI41.620482.8
SZL4-2.45-AI42.4522582.8
SZL6-1.25-AⅡ1.25194 82.8
SZL6-1.60-AⅡ61.620482.8
SZL6-2.45-AⅡ2.4522582.8
SZL8-1.25-AⅡ81.2519483.2
SZL8-1.60-AⅡ81.620483.2
SZL8-2.45-AⅡ82.4522583.2
SZL10-1.25-AⅡ10 1.2519483.2
SZL10-1.60-AⅡ101.620483.2
SZL10-2.45-AⅡ102.4522583.2
SZL20-1.25-AⅡ201.2519485.8
SZL20-1.60-AⅡ201.620485.8
SZL20-2.45-AⅡ202.4522585.8
SZL30-1.25-AⅡ301.2519486
SZL30-1.60-AⅡ301.620486
SZL30-2.45-AⅡ302.4522 586
SZL35-1.25-AI351.2519482.8
SZL35-1.60-AI351.620482.8
SZL35-2.45-AI352.4522582.8

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