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function boiler in paper mill

Product Thermal Capacity: 1 - 20 t/h

Working Pressure: 0.7 - 2 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, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

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Introduction of WNS gas / oil fired steam boiler:

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.

Technical advantages:

1. Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.

2.Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.

3. Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.

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

Which Types of Boilers Used in Paper Mill--Z

The boilers used in paper mill production lines usually have two functions. One is, the boiler supplies steam for paper mill, and the other is power generation. The tonnage of a steam boiler in a paper mill is usually over 20 tons. If there is power supply at the same time, it needs lager capacity.

Boiler, How it works ? - YouTu

Apr 29, 2016· Here working and construction details of water tube boiler is explained. Different parts of boiler such as economizer, super heater, re heater, water wall and steam drum are illustrated here.

Washington State Pulp and Paper Mill Boile

generation capability of Washington State pulp and paper mills. The sources and types of fuels used in various boilers were assessed and the age profile of boilers currently in pulp and paper mills was determined. Phase 2. Assess the energy potential for Washington State pulp and paper industry with state-of-the-art technologies. In this phase

Kraft process - Wikiped

International Paper: Kraft paper mill Woodchips for paper production The kraft process (also known as kraft pulping or sulfate process ) [1] is a process for conversion of wood into wood pulp , which consists of almost pure cellulose fibers, the main component of paper .

Re-Powering Paper - Coal-to-Gas Boiler Conversi

Boiler 10 was designed to burn stoker coal and wood fuel on an air cooled traveling grate. Both boilers 1 and 2 were designed to generate 110,000 pph of steam flow, while Boiler 10 had an MCR steam flow rate of 225,000 pph. Figure 1 – Domtar Nekoosa Paper Mill…

Function Of Boiler In Paper Mill - Hotel Class

Paper industry boiler application -- Boiler. 2019-8-15 · The function of the boiler in the paper mill The paper industry is an important industry closely related to the development of the national economy and the construction of social civilization. The role played by the modern economy has attracted more and more attention from the world.

The Pulp and Paper Making Process

A typical layout of a mill using the kraft chemical pulping process is shown in figure 2-1. Mechanical, semichemical, and sulfite pulp mills differ in detail, particularly in wood preparation, fiber separation, and bleaching, but many of the downstream refining, bleaching, and papermaking processes are similar.

Pulp and Paper Boiler Systems | Boiler Industries | N

Pulp & Paper Mill boilers and recovery systems are designed to utilize waste by-products to fuel their power needs. These systems often rely on biomass fuel sources, such as …

Black Liquor Recovery Boilers - An Introducti

The furnace of a BLRB is generally taller than a utility or industrial watertube boiler of similar steam generating capacity, due to the sticky nature of the combustion gases. The pulp production capacity of a mill determines the size of a BLRB. For each ton of pulp, about 3,000 lbs of dry solids are generated.

boiler for paper mill,paper mill boiler,paper plant ste

Boiler in Paper Mill . Smoothing, folding, bonding and printing paper. Electrical energy is used for driving a wide variety of machines. The steam produced in the boilers is used to burn wood chips, biomass and coal.

SAPPI Shutdown: October 2010 - YouTu

Nov 21, 2016· More than 600 team members are on a grueling 28-day schedule to upgrade the mill's recovery boiler, while tending to other assorted upgrades …

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No. 76, Xin Da Road, Zhou tie Town, Yixing, Wuxi, China

0086-510-68530066, +86-13506151292

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