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Horizontal Coal/wood Steam Boiler With 3 Passes

Code: DV-CBS

Coal/wood steam boiler with combustion chamber DAVITECCO  type horizontal – 3 pass is a water-tube, fire-tubes boiler.

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INTRODUCTION OF COAL/WOOD STEAM BOILER WITH COMBUSTION CHAMBER TYPE HORIZONTAL - 3 PASSES

      Coal/wood steam boiler with combustion chamber DAVITECCO  type horizontal – 3 pass is a water-tube, fire-tubes boiler. Fuel is combined with air and burns inside the combustion chamber to create a high  temperature combustion  product (smoke), then move to the furnace-tube  pass 1st, the smoke continues  to move in  the fire-tubes  the pass 2nd  and pass 3rd  to transfer heat for water to  generate  steam,  reduces  the smoke temperature, and then go  to  the chimney  and discharge  the  smoke to  the environment.  Because  smoke moves through three passes,  the exhaust smoke temperature is low from 190 to 210ºC (at working pressure 1 Mpa) and boiler efficiency is high, from 80 to 85%.

 

FEATURE OF COAL/WOOD STEAM BOILER

1)  New design  and advanced technology:  DAVITECCO  boilers are beautifully design with equipment and materials selected from well-known brands with strict inspection procedures, and apply advanced technology into production, the boiler body  is welded by semi-automatic welding machines, so the performance and longevity are high.
2) Combustion chamber: Designed by the water pipes surrounding the fire chamber to absorb the heat of burning fuel by  radiation and convection, external insulation made of ceramic and rockwool with high density and reasonable thickness so the temperature outside the combustion chamber is  not  high  and reduce heat loss,  while  increasing  the working  time  of the boiler.  The grate is made of cast iron which is assembled from  small sized plates so it is easy to  install, maintain and replace.
3)  Dust separation system: consists of dry  dust separator cyclone, combined with wet dust separator cyclone and dust extraction tank that can remove dust up to 95%.
4)     Easy   maintenance    and     repair:    Boilers    are     designed    for   convenient    installation, maintenance, repair and replacement.
5)  Intelligent  control:  The  boiler  can  be  operated  automatically  according  to  the  user's installation program.
6)  Safe  and  reliable:  Boilers  are  protected and  signaled  by  many  levels:  safety  valves, pressure relays, temperature controller, protection water level control, alarm and cut  off system when incident occur.

 

APPLICATION
      Industrial  horizontal  boilers  are widely  used for  different  industrial  productions  with  small capacity  requirement,  such as  textile  mill,  food  &  beverage  factory,  chemical  plant,  paper processing  factory,  plastic  processing  factory,  pharmaceutical  factory,  garment  factory,  oil refining, shoe making factory, printing plant, school, hotel, swimming pool, laundry, bakery, farm, etc.

 

 BOILER CUSTOMIZATION

1)  DAVITECCO  Boiler  owns an mature R&D team and design  team, and cooperates with many scientific  research organizations  for  a long time.  Customers can choose  DAVITECCO boilers  based on  requirements such as: fuel  type, brand and characteristics  of burners, water supply pumps, valves and accessories, water treatment systems as well as meeting operational requirements and optimizing the operating efficiency of the boiler.

2) Air Preheater: Boiler system can be equipped with an air preheater, which takes advantage of the heat from high temperature of exhaust smoke to heat the air to improve combustion, save fuel, improve boiler efficiency.
3) Economizer: Boiler system can be equipped with economizer, which takes advantage of the heat from high temperature of exhaust smoke to heat feed water before supplying it to the boiler to speed up steam generation, saving fuel, improving boiler efficiency.
4)  Electric control cabinet: Customers can choose to  control boiler with traditional electrical equipment or PLC or electronic board with touch  screen, in addition they can choose the brand of electrical equipment.
5)  Water treatment system: The boiler  system is  equipped  with  a water softening  system, which  helps  to improve  steam quality,  reduce blow  down  time  and build  up  deposits  inside  the boiler and increasing working time of the boiler.
6) Exhaust smoke treatment system: The boiler system can install additional exhaust smoke treatment system to treat exhaust smoke that it gets the quality of exhaust air according to the regulations of the Ministry of Natural Resources and Environment.
7) In addition to coal and wood  fuel, DAVITECCO boilers can use many different fuels such as sawdust, bagasse, agricultural by-products…

 

HIGH QUALITY ASSURANCE
1) DAVITECCO  Boiler owns a team of professional design engineer team. Before production, all design drawings will be approved by boiler experts. The production process is supervised by a team of  experienced engineers  in  the field of  boiler  manufacturing.  Boilers  are manufactured when they reach the designed capacity and ensure safety according to Vietnamese standards.
2)  To  ensure quality assurance, all the materials are used to  make the boiler must have a certificate of origin. Qualified materials are put  in storage and used for the manufacture of boiler system.
3) To ensure the welding  quality,  there a professional  welding  team, including  more than 10 senior welders. The welding materials are stored under constant temperature and humidity, to ensure the welding material quality.
4) Nondestructive testing will be done to ensure the welding quality, by using x-ray detection, ultrasonic flaw detection, magnetic test, or penetration test, etc.
5) Hydrostatic testing will be carried out for durable and leak tests of boilers. The test pressure is 1.5  times the design pressure. The testing process is directed by the experts of the pressure equipment testing center. The test results serve as a basis for granting inspection documents for boilers.

 

PROFESSIONAL INSTALLATION AND AFTER - SALE TEAM

1)  Professional  engineer  installation  team offer  the door  to  door  installation  and after  sale service.  The boilers  will  operate smoothly  and safety,  and you  will  get our  products without worries.
2) 24  hours hot-line to solve your  problems, and offer the professional technical supports and after sale service in time to all over the Viet Nam.

 

TECHNICAL PARAMETERS OF COAL/WOOD STEAM BOILER TY HORIZONTAL:

 

 

Design capacity and fuel or multi fuel at the request of the customers.

 

Davitecco | CÔNG TY TNHH TM & DV KỸ THUẬT ĐẠI VIỆT