Through this webpage, choose online customer service communication, or message board. Leave your needs and get limited time discounts, up to 10% off, saving you a fortune. This discount has an indefinite period, and places are limited on a first-come, first-served basis.
We support various payment methods:
T/T payment
VISA
paypal
MasterCard
Alipay etc
Save time in your buying process.
The company's products have passed multiple national
certifications:
for example:
United States: ASME
EU: CE
Eastern Europe: EAC
Russia: GOST
Singapore: MOMO
etc
Buy products, buy with confidence, use with confidence
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
FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!
If you are interested in our company or products, you can contact with us through online consulting, demand table submission, e-mails and telephones. Our staff shall wholeheartedly provide product information, application knowledge and good service for you.
OPERATIONAL CHEMICAL CLEANING OF ONCE-THROUGH BOILERS
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
• And are often removed by chemical cleaning. THEREFORE USUALLY SUPERCRITICAL BOILER ARE OF ONCE THROUGH TYPE. 4 Operating cost mainly power,Get Price
Chemicals. Moving Machinery. Hot Surfaces. 8-There are four major categories of catastrophic failure which exists in the boiler itself. 1. Melt down. This is a result of the heating surface metal reaching its melting point. It is a result of the boiler operating on very low water conditions.Get Price
operating temperatures) the heat exchanger may require chemical cleaning. If you are experiencing H11 lockouts that cannot be attributed to pump related problems or remedied by back flushing the heater with city water pressure, chemical cleaning of the heater is likely your maintenance solution. Additionally, if your heating boiler orGet Price
operational results, technological innovation, equipment nonconformities, etc., to which we have (mainly installed for once-through boilers), and (4) the wastewater treatment system to purify ・Boiler chemical cleaning application 1960Get Price
Feb 14, 2014 · Four Boiler Contaminants that Jeopardize Power Plant Operation and Maintenance. By. -. 2.14.2014. In its dissolved form, oxygen is highly corrosive to most metals, especially the mild steel used Get Price
Solutions, Services, and Rentals. Thermogenics Boilers is an industrial coil tube manufacturer that takes pride in its reputation of quality steam and hot water products. With highly trained service engineers, we are available with service, parts and rentals 24/7.Get Price
Industrial boilers are powerhouses that burn fossil fuels, such as oil or gas, and also use electricity in some cases.These systems produce hot water for heating buildings through a process called combustion with the addition of oxygen to turn coal into charcoal which then burns by releasing energy.. There are a variety of different types of industrial boilers, but all boilers …Get Price
Chemical Cleaning Of Boilers - To Clean or Not To CleanGet Price
A particular application of the once-through boiler design is the steam-flooding boiler. This is a boiler used for flooding oil wells with steam in order to increase the oil recovery. Because of the low operating temperatures, an inexpensive material such as CaCO3 (lime) can be added to the bed. a. chemical, physical b. physical Get Price
cleanliness and doing a pre-operational chemical cleaning for the entire system or part there off, a certain quantity of debris in the form of scales, loose materials, weld spatter, etc. Will remain in the boiler and the pipe lines. While chemical cleaning ensures cleanliness of the contours subjected to the cleaning resulting in surfaceGet Price
STPA has considerable experience in the planning and execution of chemical cleaning activities for power boilers, recovery boilers, once-through steam generators, Benson boilers, and Heat Recovery Steam Generators (HRSGs). STPA also has assisted in chemically cleaning a generator stator cooling water system.Get Price
Apr 07, 2021 · The next steps are to determine the best solution for your system. Mineral deposits or "scaling" can form on the boiler's waterside, inhibiting water flow and heat transfer. Scale is removed through either mechanical or chemical …Get Price
The oxygenated water treatment technology was invented and has proven to be effective in hundreds of SC boilers in Europe, Japan, and the US. The primary reason for OT is to reduce the transport of iron oxide deposits to the boiler tubes. The benefits of operating a once-through SC boiler with OT include: 7 •Get Price
The aim of Chemical Cleaning is to is to safely remove all deposits from the inside of the boiler tubes. mill scale, oil, paint, preservatives, rust, welding slag's that would have entered Get Price
The solution will be injected into the boiler through the bottom ring header drains and economizer drain operating the chemical filling pump. Further DM water will be taken in the boiler up to normal level Light up the boiler as per O&M instructions and gradually raise the boiler water temperature to 130140 deg C. Trip the boiler and keep the Get Price
Sep 01, 2014 · Ethylenediaminetetraacetic acid (EDTA) is probably the most commonly used operational cleaning chemical. For forced-circulation boilers, the use of diammonium EDTA is practically a standardGet Price
May 05, 2015 · It is essential to make sure the efficient boiler start up and commissioning with the help developing suitable means and workable approach to meet the various chemistry limits set for boiler especially for once through supercritical boilers where boiler chemistry cannot be controlled by blow down controls.Get Price
Proper chemical cleaning removes deposits from the inside of boiler tubes which improves the boiler heat rate, reduces tube failures and improves the stability of boiler chemistry. However, chemical cleaning is expensive. Vendor costs alone may total $50,000 to $150,000 depending on the size of the boiler.Get Price
Chemical cleaning of the boiler. We have seen how a new, clean boiler can accumulate copper and magnetite which requires removal. There is a method we propose to do this. Using ammoniated citric acid and an oxidizing agent such as sodium nitrite or bromate, we will now show how this can be achieved.Get Price
Dec 11, 2016 · Chemical Cleaning Evaluation Scale Density after cleaning - Cut a tube sample after chemical cleaning and determine the density of any deposit. 55. CONCLUSION It is essential to clean a boiler periodically for efficient operation, corrosion control, reliability and prevention of tube failures. Cleaning is accomplished by a combination of steps.Get Price
Consequently, heat transfer rates through radiant water wall tubes have increased-occasionally in excess of 200,000 Btu/ft²/hr. The tolerance for deposition is very low in these systems. The quality of feedwater required is dependent on boiler operating …Get Price
OSTI.GOV Conference: Operational chemical cleaning of a once-through boiler, secondary superheater, and reheaterGet Price
The fuel for the plant is LPG, with distillate oil as backup. The steam conditions are 512°C/64.8 barA for the high-pressure and 232°C/4.6 barA for the low-pressure loop. The plant is expected to run at baseload with periodic cycling operation. Substantial completion of the plant is expected in December 2020.Get Price
Sep 20, 2016 · Chemical Cleaning Due to the size, configuration and poor circulation quality of supercritical boilers, a different chemical cleaning process became necessary. A more volatile process is required, where the chemistry is more efficient with less movement in its circulation, due to the tube walls and headers.Get Price
Jan 09, 2019 · Many supercritical once-through boilers used in plants have pressures in the range of 250–350 Barg and temperatures of 500–650°C, well above the critical point of water. However, opting for more moderate conditions, say, just above 240 Barg and 500°C, reduces operational complexity and improves reliability.Get Price
once-through boilers, including 'coil' and 'hairpin' types, operating up to, or above, the critical pressure. Boiler Water Pre-Treatment In recent years Reverse Osmosis (RO) has become the main method of producing higher quality feed water (in place of dealkalisation and demineralisation) often to reduce safety issues of chemical handling.Get Price
A once-through boiler for supercritical applications, usually applied to systems with a capacity of 400 MW or larger; the design features a water-cooled dry bottom furnace, superheater, reheater, economizer, and air heater components — designed for variable superheater pressure load cycling and base load operation.Get Price
Jan 07, 2022 · The use of hydroxyacetic/formic acid in the chemical cleaning of utility boilers is common. It is used in boilers containing austenitic steels because its low chloride content prevents possible chloride stress corrosion cracking of the austenitic-type alloys. It has also found extensive use in the cleaning operations for once-through Get Price
May 02, 2000 · physical or mechanical means, using chemical treatment only to clean up the remaining traces left after physical treatment. Not only will this pre-treatment minimize chemical costs, it also has the difficult to measure benefit of improving a plants reliability while simplifying operators jobs. Operating kiln boiler plants without adequate pre Get Price
In boilers with deaerated, mildly alkaline conditions, the surfaces of clean mild steel react with water to form magnetite and/or haematite Magnetite, Fe. 3. O. 4 (black, stable in more reducing conditions. Haematite, Fe. 2. O. 3 (red/brown, stable in more oxidising conditions). At boiler operating, these oxides are compact, non porous and Get Price
Feel free to reach out if you want to collaborate with us, or simply have a chat.
