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
What is boiler water PH ? And why so maintained? - Quora
21 Jun 2016 The term is also used for the treated boiler feedwater, or steam condensate being This controversial new search engine reveals so much more than 'googling'.
pH Treatment | CleanBoiler .org
The pH scale measures how acidic or basic (alkaline) a substance is. It ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH greater than
High Sulfite Residual - Steam Forum and Power Forum
High Pressure Boiler P36bar T320 C Blowdown Water: pH . Blowdown Water: pH10.5- 11.5 TDS 500ppm PO430-50 ppm SO320-40 ppm is lower than HP boiler but sulfite residual in WHRB are higher than High Pressure
Caustic Corrosion - an overview | ScienceDirect Topics
Caustic corrosion/gouging occurs when alkalinity of boiler water increases. to an over alkaline ( pH > 9.5, even reached 11.5 ) environment for a long time. side was larger than the shell side), and corrosion products including Na3FeO3,
Boiler Water - PDH Online
pH of 4 is ten times more acidic than a pH of 5. Acids and .. Standard practices call for maintaining pH 10.5 11.5 for shell boilers @ 150 psig. pH of 9 could
Water Treatment Program Training Manual - Infrastructure
the pH of the boiler water is greater than 11.5 , the blowdown rate must be increased If the boiler water total alkalinity concentration is greater than 700 ppm
Cleaning and Chemical Treatment of Steam Boiler - Infrastructure
Firetube boilers where more than approximately 50% of the tubes in a firetube Boiler Water: pH : 10.5 11.5 . TDS, S/cm: 20004000 neutralized sample.
(PDF) Control of Deposition Risks in High-Silica Boiler Waters: A
12 Sep 2016 Boiler feedwater and boiler water pH versus time (tannin treatment started 12/02/. +23 .. hence boiler silica content were much higher than traditional 11.5 ± 1.0. 750. <10,000. 175±25. *Function of boiler blowdown rate.
Corrosion and Materials Selection: A Guide for the Chemical and - Google Books Result
Need of Boiler Feed water Treatment | Boiler water treatment process
23 Oct 2017 The purity of boiler water and steam is one of the most important criteria for ensuring If iron is more than 0.3 ppm or greater, it should be reduced or controlled. 6. . pH , 10.5- 11.5 , 10.5-11.0, 9.8-10.2, 9.8-10.2, 9.4-9.7.
Boiler water test - Marine steam boilers
1 Boiler water pH 2 Boiler water Boiler pressure bar, pH , Alkalinity to Penolphtalein 0-15, 10.5- 11.5 , 50-300, 300, 30-70, 1500, 50-100, 0.1-0.3 Always remember that the chemical analysis can never be more accurate than the sample.
The importance of pH in steam- boiler water - HeatingHelp.com
24 Jun 2014 It comes into play with steam boilers because a pH between 7 and 9 If it's higher than that, the water won't corrode metal, but it may begin to
boiler PH Heating Help: The Wall
10 Nov 2012 My understanding is its prefered to be more alkaline than acidic so if but then I remember reading somewhere that a pH of 11 11.5 was
Water treatment of steam boilers - SlideShare
2 Aug 2015 Water treatment-Steam Boilers Chandran Udumbasseri, Technical Magnesium silicate if pH is above 11.0, the silica limit is more than half the and blow down, sodium hydroxide is added to maintain a pH of 10.5 to 11.5 .
Water Treatment Program Manual (pdf 1.1 MB) - Legislative
(i.e., solutions which have a pH level greater than 7.0 are considered to be alkaline); .. boiler ; if the pH of the boiler water is greater than 11.5 , the blowdown rate.
NB-410, Boiler /Feedwater Guidelines - The National Board of Boiler
boiler /feedwater conditions for power boilers , steam heating boilers , and hot water heating to the boiler is always preferable, and more reliable than , management of these water can form carbonic acid with a range of pH from 6.9 to 4.4.
Word Pro - Paper & Appdx combined.lwp - tappi
can result from low or high boiler water pH values and high concentrate under deposits to much higher levels than 8.5- 11.5 (measured at 25°C) (p. 773 of