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DZL Chain Grate Coal Fired Steam Boilers

DZL Chain Grate Coal Fired Steam Boilers adopt chain grate or travelling grate fuel feeding design. It adopt horizontal three pass water tube and fire tube structure.   DZL chain ...
Product Details

DZL-Chain-Grate-Coal-Fired-Steam-Boilers

DZL Chain Grate Coal Fired Steam Boilers adopt chain grate or travelling grate fuel feeding design. It adopt horizontal three pass water tube and fire tube structure.   DZL chain grate coal fired boiler realize automatic fuel feeding and slag removing process, which save a lot of labor work.

Feature of DZL Chain Grate Coal Fired Steam Boilers

  1. High Thermal Efficicency: Adopt arched tube plate and currogated flue gas tube for boiler drum, which make sure boiler can have high thermal transfer efficiency , fast pressure increase speed and full load working.
  2. Better Water Circulation Design:  eliminate slough at the boiler drum bottom , which avoid swell of boiler drum bottom.
  3. Suitable for Different Fuel:  Large combustion chamber, burning more sufficiently. Suitable for bituminous coal, anthracite, coal blends and biomass fuel.
  4. High Quality Welding:  all the welding position adopt automatic welding and x-ray testing, which make sure high quality welding and long life span using.
  5. Company Structure:  easy to install and save a lot of building cost.

Working Process

Coal fall on the coal hopper through coal elevator feeder. These coal will move forward with the chain grate, it will burn during these process . After burning, it will fall on the slag poor, then it will be removed by automatic slag remover.  The high temperture gas will pass the three pass structure heat transfer pipe, economizer, dust collector, chimney to air.

 DZL4-Chain-Grate-or-Travellling-Grate-Coal-Fired-Steam-Boilers

Parameter Table of DZL Chain Grate Coal Fired Steam Boilers

Model/Parameter/Item DZL DZL DZL DZL DZL
2-0.7-AII 2-1.25-AII 4-1.25-AII 4-1.6-AII 6-1.25-AII
Rated capacity t/h 2 2 4 4 6
Operation pressure Mpa 0.7 1.25 1.25 1.6 1.25
Steam temperature C 169.6 194 194 203 194
Water-inlet temperature C 20 20 20 60 20
Heating efficiency % 77.4 77.4 81 81 77.4
Area of stoker m2 3.04 3.2 5.4 5.4 7.48
Steam valve diameter mm PN1.6 PN1.6 PN1.6 PN2.5 PN1.6
DN80 DN80 DN100 DN100 DN125
Water inflow valve mm PN1.6 PN1.6 PN1.6 PN2.5 PN1.6
diameter DN40 DN40 DN50 DN50 DN50
Fuel Coal available II type bitumite,lcv:17700-21000KJ/kg
Consumption kg/h 290 290 580 580 960
Dimension of Proper (L*W*H) m 5.82*2.1*3.22 5.82*2.1*3.22 6.5*2.66*3.52 6.5*2.66*3.52 7.1*3*3.65
Boiler Proper Weight t 18 19 27 29 32
Assembled Boiler (L*W*H) m 6.5*4.0*3.7 6.5*4.0*3.7 7.2*4.5*4.0 7.2*4.5*4.0 7.9*4.5*4.1
Water supply Model 11/2GC-5*4 1 1/2GC-5*4 11/2GC-5*7 1 1/2GC-5*7 2GC-5*6
Motor power kw 3 7.5 7.5 11 15
Blast fan Model G6-41-13No 5.4A G6-41-13No 5.4A G6-41-13No 6.4A G6-41-13No 6.4A G6-41-13No 7.1A
Flow m3/h 4358-2310 4358-2310 7358-3596 7358-3596 10354-5349
Pressure Pa 994-1254 994-1254 1436-1181 1436-1181 2270-1697
Motor power kw 3 3 5.5 5.5 7.5
ID fan Model Y6-41-13No 5.4C Y6-41-13No 5.4C Y6-41-13No 7.1C Y6-41-13No 7.1C Y6-41-13No 10C
Flow m3/h 8901-4350 8901-4350 15219-8171 15219-8171 32144-16607
Pressure Pa 2568-3240 2568-3240 2454-3283 2454-3283 2574-3444
Motor power kw 11 11 22 22 37

Note: parameter update will not notice customer, please contact with us for newest version

Company Profile


Romiter-Coal-Fired-Boiler-Factory-Certification

Romiter Group has a large number of professional technique person and managerial personnel, who engated in design and manufacture boilers and pressure vessels, which makes Romiter can provide best quality products and best technical support.

Now, we concentrating on supply DZH Moving Grate Coal Fired Steam Boilers, DZL Chain Grate Coal Fired Steam Boilers, SZL Chain Grate Coal Fired Steam BoilersYGL Coal Fired Thermal Oil Boilers, YLW Coal Fired Thermal Oil Heaters, Coal Fired Hot Air Furnace, Coal Fired Molten Salt Heaters, AAC Brick Steam Autoclave.

We are dedicated to global market and have exported boilers to more than twenty countries.We sincerely welcome all customers to contact and visit us to build long-term business relationship.

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