Paper Industry Boilers

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Product thermal capacity: 0.7 - 14 MW

Working pressure: 0.7 - 1.25 Mpa

Available fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available industries: Heat supplying, hospital, hotel.

Introduction

WNS series horizontal internal combustion boiler is classic 3-pass wetback oil/gas fired boiler. After fuel is atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, called 1st pass; the high temperature flue gasses are collected in reversal chamber and then enter 2nd pass, which is grooved tube bundle area through heat convection, air temperature gradually falls and flows to front smoke box and enter 3rd pass, which is done in the smooth tube bundle area, and then through back smoke box lead to chimney and exhausted to the atmosphere.

Technical Advantages

Digitized Manufacture

The key processes including material cutting, rolling, drilling are made by advanced CNC machining process to reduce the assembly stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine with tidy and beautiful look.

Easy Operation and Maintenance

Fully intelligent operation, with automatic adjustment and protection of burning, water level, temperature and steam pressure. The smoke box door uses the hinge structure for easy inspection, inventory and cleaning.

Long Service Life

The way to weld Smoke tube and tube sheet is to first expand to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boiler service life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint are test by radiographic inspection.
Fin tube uses ND steel or stainless-steel material to avoid corrosion in the low temperature.
Inspection stops are set up to guarantee the sequence of expanding and welding to avoid cracking of the tube sheet holes.

Less Fuel Consumption

High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ and reduce heat lost.
Sufficient steam storage room and heating area to generate high quality steam and high thermal power.
Condenser is added to recycle the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce flue gas emission temperature and increase the thermal efficiency over 98% and save operating cost.

The Kraft Recovery Proce

2008-1-4 · Pulp & Paper Centre University of Toronto Toronto, Ontario, CANADA Esa K. Vakkilainnen Pöyry Forest Industry Oy Vantaa, FINLAND ABSTRACT The kraft chemical recovery process is a mature, effective technology that provides for recycling of the pulping chemicals, efficient generation of steam and electrical

General Situation Of Paper Industry - News - Qingda

General situation of paper industry. Under strict environmental supervision in China, enterprises that fail to meet the standards of boiler blowdown or other sewage have been shut down. And those who use gas boilers, basically did not be shut because of less boiler emissions.

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/ Boilers - Pulp and Paper - Process Industry; You are here: Applications; Excellent insulation systems for boilers. Extend lifetime of your production equipment. Reduce energy costs. Fast and simple mounting. Find the technical insulation system that fits your needs. Technical insulation systems for boilers.

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EPCB Boilers. BSET QULITY, BEST SERVICE. Steam Boiler. Hot Water Boiler. Thermal Oil Boiler. Coal/Biomass Fired Boiler. Oil/Gas Fired Boiler. Food Industry Chemical Industry Textile Industry Plastics Industry Fishmeal Industry Paper Industry Rubber Industry Garment Manufacturing. Message* Start Typing. Name . Email* Phone . Whatsapp . Area .

General Situation Of Paper Industry - News - Qingda

General situation of paper industry. Under strict environmental supervision in China, enterprises that fail to meet the standards of boiler blowdown or other sewage have been shut down. And those who use gas boilers, basically did not be shut because of less boiler emissions.