1-20 ton gas/oil fired boiler
Capacity: 1-20 ton/h
Pressure: 0.7-2 Mpa
Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.
Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.
7-70 MW gas/oil fired hot water boiler
Capacity: 7-70 MW
Pressure: 1.0-1.6 Mpa
Fuel: Nature gas, coke oven gas, blast furnace gas, carbon black off-gas, biogas, methanol, LPG, diesel, heavy oil, light oil, crude oil, etc.
Industries: Heat supplying, hospital, colleges and universities.
2.8-29mw coal fired boiler
Pressure: 1.0-1.25 Mpa
Fuel: Bituminous coal, lean coal, anthracite
Industries: Heating, hotels, schools, hospitals
horizontal thermal fluid heater
Capacity: 700 - 14000 kw
Pressure: 0.8 - 1.0 Mpa
Fuel: natural gas, coke oven gas, bio-gas，liquid propane gas, diesel, heavy oil, light oil, crude oil
Industries: Petroleum, chemical, chemical fiber, pharmaceutical, textile printing and dyeing, building materials, wood processing, vegetable oil processing and other industries
1-20 ton biomass fired boiler
Capacity: 1-20 ton/h
Pressure: 0.7-2.5 Mpa
Fuel: Biomass particles
Industries: Heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, hospital
Enhanced Phosphate Treatment for
The nuclear steam generators in PWR (pressurized water reactor) systems down, it was often necessary to blend disodium phosphate with the trisodium phosphate. The mechanism for the reaction of phosphate with metal oxides has been
application note steam generation in power plants
Water quality within power plants is of critical importance in maintaining efficient operation . Chloride, sulfate creates corrosion cracking in the turbine and in the boilers. Sodium and potassium salts react with sulfur oxide and form sulphates. Equilibrium phosphate treatment (trisodium phosphate) EPT: This precipitates
Boiler water - Wikipedia, the free encyclopedia
Boiler water is the liquid phase of steam within a boiler. . Hydrolysis of trisodium phosphate is a pH buffer in equilibrium with disodium phosphate and sodium
Boiler Water Management - GE Water Process
which can substantially improve water quality, and enhance steam purity and often . (SEM-EDXA) testing was consistent with the background information, with caustic will react with disodium phosphate in the boiler water forming trisodium.
Power plant chemistry internal water treatment -
Feb 25, 2014 Power Plant Chemistry Internal Water Treatment Prepared By : - Umar Phosphate React with Ca++ and Mg++ salt ( if present in boiler water )
Plant Service Bulletin: Boiler Water Phosphate
Biw babcock Wilcox power generation group sodium phosphates in maintaining the boiler water. pH. additional information concerning this problem.
Association of Water Technologies Technical
in the steam lines or in the boiler, to control carbonic acid and dissolved oxygen corrosion in the . However, the reaction rate of hydrazine with dissolved oxygen is .. If trisodium phosphate (TSP, Na3PO4) is used instead of DSP, then the.
Chemical CLeaning of Metals - New Zealand
This is usually done by reacting the metal with an For example, during each of the chemical cleans on Huntly Power Stations four boilers, a semi-rig and trailer load (over 20 000 litres) of concentrated . trisodium phosphate, Na3PO4.
Patent EP0640747A1 - Boiler system pH/ phosphate
Mar 1, 1995 The water lost from the boiler as steam or blowdown is replenished with boiler feedwater. sodium levels are determined, and integrating the information therefrom. . While the reaction shown in Equation 5 describes the basic concept Thus, one mole of trisodium phosphate will increase boiler water pH
Power and Desalination Chemistry - Encyclopedia
Corrosion studies are basically The study of the reactivity of materials in their Since the earliest days of steam power, boilers have suffered from corrosion problems. .. Lower pressure boilers (100 bar) may operate on trisodium phosphate Further information can be obtained by contacting the Power Production
Selecting a Combined Cycle Water Chemistry Program
Mar 1, 2013 The lifeblood of the combined cycle plant is its water chemistry program. water tube drum-type boilers to combined cycle power plants. and Purcell and was based on the addition of trisodium phosphate (TSP) to the drum water. The 1990s brought another phosphate treatment program in response to
Water Chemistry Control to Minimise Degradation of
The information contained within this publication has been prepared by a Boiler water pre-treatment is one of the most important aspects of a good type of boiler, operating pressure, available feedwater quality and intended steam application. addition of trisodium phosphate (TSP) and sodium hydroxide to the steam.
Inexplicable pH drop in boiler blowdown water -
Q. This question pertains to drop in pH of blowdown water of a low pressure steam boiler. around a pH of 9 and the water is treated with trisodium phosphate [linked by This is due to a buildup of Carboxylic Acid as a reaction of carbon dioxide . All information presented is for general reference and does not represent a
Caustic corrosion in boilers - Lenntech
Causes and reactions of caustic corrosion in boilers. Concentration of caustic ( NaOH) can occur as a result of steam blanketing (which Excess caustic combines with disodium phosphate and forms trisodium phosphate, by the following reaction: Find information about the main problems occurring in boilers: scaling,
Water Chemistry_Venkateswarlu.pdf - Home - KSU
xerography, or any other means, or incorporated into any information retrieval Programmes on Water Chemistry in Nuclear Power Stations during the 80s. I . Solubility of trisodium phosphate as a function of restore the chain reaction. . treatment for low and medium pressure industrial boilers as against the high.
Water Treatment for High Pressure Boilers in Sugar
Impurities present in water used for steam generation and other power plant and process . The reaction of feed water and steel is spontaneous and rapid at high elevated to the recommended level by the use of trisodium phosphate.
EFFECTIVE CYCLE CHEMISTRY CONTROL - Jonas Inc
4.2 Selection of Water Treatment: Phosphate (Plus Hydroxide) Boiler Water during operation and layup and the control of water and steam chemistry are of critical .. added key information on behavior of chemical impurities in water and steam transport processes and chemical reactions, sources of impurities, and the
Dow Chelating Agents brochure - The DOW Chemical
medium, metal ion reactions can lead to problemsboilers, heat exchangers concentrations than citric acid, phosphates, or other com- . Plant problems associated with as well as . Contact Dow for more information on our chelating.
Water Treatment, Cycle Chemistry, Boiler Operation
Water-tube boiler are larger steam generators - with BW within the tubes - with natural or forced circulation for composition reactions. Therefore the . boiler or phosphate treatment (PT) for boiler with lower pressure, see Fig. 9. .. The mentioned facts lead to reduced cooling of the lower part of the heated surface because.
1966_Angus_Conditioning Boiler Feedwater For.pdf -
able velocity of flow is attained as the water and steam move to the drum where detailed information as to the suitability of the water for general but it usually reacts in boiler water to form less soluble .. they form trisodium ortho phosphate.