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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler
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On-line boiler and condensate measurements Conductivity
HOT
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
HOT
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
HOT
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
One of the classic on-line measurements for boiler water condensate is conductivity and though this is ideal for detecting products of corrosion, since they are ionic, it is severely limited in its ability to detect organics. With the majority of organic molecules being non-ionic they will not be detected by conductivity and therefore wouldGet Price
ccurate conductivity measurements are criti-cal to the reliable operation of steam electric power plants. In fact, conductivity is the sin-gle most important measurement for moni-toring water quality in boiler water, boiler feedwater and steam condensate. Water in these systems frequently contains no moreGet Price
dependable, automated, on-line measurements. ensure high quality feed water is delivered to the boiler. Silica has negligible conductivity and therefore cannot be condensate polishers.Get Price
May 01, 1996 · OSTI.GOV Journal Article: On-line boiler and condensate measurements: Conductivity, pH, and dissolved oxygenGet Price
May 04, 2016 · Conductivity Test (Boiler and Condensate) Conductivity is a measure of the ability of water to conduct electric current. The ability to conduct electricity is related to the amount of dissolved (ionizable) solids in the water. Conductivity is generally read in units called micromhos, using a sample which has been neutralized with gallic acid to Get Price
High pressure and high temperature sensors are designed for monitoring boiler water and condensate in return lines. They have 316 stainless steel electrodes and threaded bodies (3/4-inch male NPT). They can be fastened into a boiler wall using a 3/4-inch weldolet or mounted into a process line using a standard 3/4-inch stainless pipe tee.Get Price
› Increasing tendency of acid conductivity (CT, AVT) in boiler water –the most sensitive measure because of accumulation of contaminants in boiler water › With PT specific conductivity may increase depending on contamination level ›Supplementary measurements › Sodium in feed water and condensate –use on-line monitors and/or grab samplesGet Price
conductivity. The calculation can be applied to condensate, feedwater, and boiler water. Although not widely used in the United States, inferred pH is popular in Europe. Some plant chemists find inferred pH useful because it eliminates the need to measure pH directly, which without proper equipment can be a difficult task.Get Price
Monitoring Boiler Water Condensate - Liquid Analytical Resource, LLCGet Price
In boiler water condensate the concentrations of organics are low, typically in the range of 0 – 15 mg/l and are measured between the condenser and the return condensate line. TOC analysis has been available for many years as an on-line measurement predominately using three different methods. – Molecular Absorption at UV 254 nm.Get Price
A simple conductivity measurement of this water would measure the total conductivity of the "good stuff," such as the water treatment chemicals, and the "bad stuff," such as the chlorides, sulfates, etc. In a smaller boiler, the total conductivity could be between 1 and 20 μS/cm (or in some plants even higher), and itGet Price
Sep 30, 2008 · Keeping within ASME guidelines for total iron in boiler feedwater below 0.1 ppm and total copper below 0.05 ppm copper requires attention to the maintenance of steam traps, knowledge of the metallurgy of the steam/condensing equipment in the steam distribution system and in particular the pH of return condensate. When measuring pH in condensate, it Get Price
Nov 01, 2007 · There are two types of conductivity measurements: specific and cation. Specific conductivity can detect only large amounts of contaminants. Condenser tube leaks normally start out very small, and may increase over time. For example, condensate flow may be 5,000 gpm, and the "leak" 0.1 gpm. On a volumetric basis, this is 20 ppm.Get Price
Conductivity monitoring also helps improve condensate recovery. Condensate is typically the purest water in boiler system, but without proper boiler control, it may become contaminated. Maintaining high condensate purity is key to optimizing boiler operation costs, as only pure condensate by be recovered.Get Price
In boiler water condensate the concentrations of organics are low, typically in the range of 0 – 15 mg/l and are measured between the condenser and the return condensate line. TOC analysis has been available for many years as an on-line measurement predominately using three different methods. a ) Molecular Absorption UV 254 nmGet Price
condensate, feedwater and boiler water qualities. On-line measurement of sodium after the extraction pump provides a useful indicator of condenser leaks. Operated under high vacuum, the condenser is prone to leaks that simple conductivity measurement but instead requires aGet Price
boiler water; condensate intake and discharge; and re‐heat steam. All but the boiler and condensate discharge monitoring points monitor cation conductivity. 4‐20 mA Drift On‐line conductivity monitoring has been carried out in some capacity at the Comanche Station since it went into service inGet Price
The 400 Boiler Controllers and Condensate Monitors have the ability to store conductivity and temperature values, water usage, relay status, and user settings. A USB memory stick is all that's needed to extract the information.Get Price
Apr 17, 2014 · The conductivity control setpoint is primarily based on the pressure rating (psi) of the boiler. Conductivity is a measure of water's ability to transfer (conduct) electric current (see Table 1).2,3 As the boiler conductivity increases, so too does the concentration of suspended and dissolved solids.Get Price
Some classic on-line measurements for boiler water condensate are conductivity, pH and turbidity, and these are ideal for detecting corro-sion. However, they are ineffective in detecting some organic compounds, especially sugars and alcohols. With the majority of organic mole-cules being non-ionic they will not be detected by conductivity or pH.Get Price
Oct 28, 2016 · Also, boiler water carryover can cause increased condensate conductivity which can under certain pipe configuration display itself selectively on one pipe branch only. If you have conductivity measurement confirmed by another probe, chemical analysis (looking for distinct process and boiler water chemicals/minerals) can bring you on track.Get Price
• Conductivity measurements are temperature compensated to ensure the higest accuracy. USB Flashstick Support • Optional for data logs, event/relay and reset logs, and user configuration file import/export WBL/WCM Series | Boiler Conductivity Controller / Boiler Condensate Monitor Time Proportional ControlGet Price
Sep 02, 2019 · The internal treatment of boiler water involves a variety of solutions that can be placed directly into the boiler system in an attempt to prevent higher conductivity or to lower conductivity that has already reached a high measurement. As with external treatments, there are many methods and techniques that can be used via internal treatments.Get Price
Water used in boiler feed should be as pure as possible. Boiler water contacts boiler heat exchangers, pumps, valves and associated piping. Water impurities like suspended or dissolved solids or dissolved gases produce negative effects …Get Price
Conductivity Measurement in Boiler Water Treatment Get Price
Condensate contamination can be caused by heat exchanger leaks or boiler carryover, and can be a perplexing problem. If approached logically, you …Get Price
To determine the extent of scaling, making a conductivity measurement with a continuous online conductivity monitor is recommended. A high temperature inline sensor is inserted directly into the process, or side steam that uses a sample cooler to reduce temperature, before the water reaches the sensor (s). Foaming And PrimingGet Price
controller to measure the conductivity of the boiler water sample with the control valve closed (which eliminates flashing problems). After getting an accurate reading of the conductivity, the controller performs a timed blowdown that will vary in its duration, extending the blowdown time as the conductivity moves further from the set point. TimeGet Price
dependable, automated, on-line measurements. ensure high quality feed water is delivered to the boiler. Silica has negligible conductivity and therefore cannot be condensate polishers.Get Price
This innovative on-line instrument is the complete solution for degassed conductivity monitoring requirements in cycling power stations. The AMI Deltacon DG continuously ensures that boiler, condensate and steam samples are contamination-free by …Get Price
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