chloride level in modern high pressure boiler

The key processing technologies such as steel plate blanking, circling, drum and tube plate drilling adopt advanced CNC machining to reduce the assembly stress and prolong the service life of the boiler.
Steel tube cutting, thread tube pressing and convection tube processing all adopt advanced CNC technology.
Automatic production line.

The welding of important parts like the vertical and circular seams of the boiler, the tubes, the inside of boiler and the flange are all adopted automated welding processes such as submerged arc welding or gas shielded welding to ensure the welding quality. All the vertical and circular seams will be done 100% radiographic inspection.
Tube flange weld adopts robot welding.
The chain grate panel, front and rear smoke chamber panel adopts CNC plasma cutting machine to cut orderly and beautifully.

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Characteristics of boiler feedwater - Lennte

A low-pressure fire-tube boiler can usually tolerate high feed-water hardness with proper treatment while virtually all impurities must be removed from water used in some modern, high-pressure boilers. Only relatively wide ranges can be given as to maximum levels of alkalis, salt, silica, phosphates etc, in relation to working pressure.

High pressure boilers (1) - SlideSha

Thus, a boiler operation at high pressure will require less heat addition for steam generation. 3.1 Features of High pressure Boilers High-pressure boilers have the following features: Forced circulation of water – in all modern high-pressure boilers, the force circulation of water is maintained with the help of pumps.

Characteristics of boiler feedwater - Lennte

A low-pressure fire-tube boiler can usually tolerate high feed-water hardness with proper treatment while virtually all impurities must be removed from water used in some modern, high-pressure boilers. Only relatively wide ranges can be given as to maximum levels of alkalis, salt, silica, phosphates etc, in relation to working pressure.

Salt in Marine Boilers - Naval Marine Archi

Salt in Marine Boilers. From: Henry Evers, LL.D., tube at the same level as the water in the boiler. The taps are then closed and the upper one opened, and two small balls steam at a high pressure; to open the furnace door, thus checking the fierce boiling; to put down the stop valve so

Steam Purity Considerations For New Turbines - PAPT

Boiler Carryover zBoiler manufacturers steam purity guarantees typically based a maximum percent carryover for a given pressure, e.g. 0.05 – 0.1% zAmount of impurities present (e.g. sodium) will depend on the quality of the boiler water

Boiler feedwater - Wikiped

Boiler feedwater is an essential part of boiler operations. The feed water is put into the steam drum from a feed pump. In the steam drum the feed water is then turned into steam from the heat.

High-Pressure Steam Cycle and Boiler Water Treatme

• Pressure inside the desuperheater is lower than the boiler drum pressure so boiler water in-leakage carrying dissolved solids and chemical compounds such as caustic and phosphate can occur into the desuperheated steam-condensate and precipitates can deposit in the turbine

Chloride content guidelines in the water of a 2100 ps

I'm trying to look for limits and guidelines about chloride content in the water for high pressure coal fired boiler (meassured in make-up water and boiler drum). I have foung some information but it's so dispersive, I've seen limits from 12 PPB to 50 PPM (more than 4000 times difference).

Chapter 13 Boiler Blowdown Control | SUEZ Wate

Boiler blowdown is the removal of water from a boiler. Its purpose is to control boiler water parameters within prescribed limits to minimize scale, corrosion, carryover, and other specific problems. Blowdown is also used to remove suspended solids present in the system.

The implications of chlorine-associated corrosion on th

The relatively high partial pressure of HCl in the bulk gas in a biomass-fired boiler (up to 1000 ppmv) will probably not cause severe gas phase corrosion attacks. However, the high concentration of HCl may increase sulfidation of waterwalls in areas where locally reducing conditions occur, due to poor combustion and flame impingement.

Boiler Water Treatment - Dew Speciality Chemicals Pvt L

water treatment practices to provide troublefree, efficient boiler operations with minimum risk of tube failures. 2.0. Boiler Classifications Based on the pressure rating, boilers can be classified as high pressure, medium pressure and low pressure boilers. Generally, boilers operating above 22 Kg/cm 2 are considered as high pressure boilers.

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