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.
Steam Boiler Pump Cavitation
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
Steam and Boiler Controls Jim Nolan –North Central Market Development Manager. ONE PIPE STEAM SYSTEMS. BASIC STEAM LOOP COLD BOILER STEAM LINE RETURN LINE STEAM BOILER results in Flash Loss or Pump Cavitation Keep Traps in Good Condition . Low Water Cut-off Protection - WHY? 14 Protect The Boiler From Operating If: There is a low water Get Price
Apr 01, 2012 · Failure of the valve to open is a recipe for pump cavitation and becoming "steam bound." If the boiler trips on "low water," plant production can be affected immediately. For larger boilers with high-capacity, high-horsepower feed pumps, the ARC valve often becomes an energy conservation (cost) issue.Get Price
Feb 22, 2015 · Boilers - Home Heating Steam and Hot Water Systems - Taco Pump Cavitation Problem? - I have a closed loop geothermal Bryant unit. 3 zones, but one pump off of the reserve tank. About 7 months ago I lost water pressure, and when I turned the unit back on, and added water the circulating pump decided to make quite a bitGet Price
The feedwater pump discharge pressures can vary between 875 and 1000 psi depending upon boiler demand. Differential pressure between the two points can be up to 200 psi, (or even higher in system upset conditions). This differential pressure must be accurately measured, without regard to the 800 psi and above changing boiler drum static pressure.Get Price
The temperature of condensate at the outlet of the electrical pump drops to 55-75 deg. C leading to an energy loss of 3-4% of the total energy input in the boiler. With this configuration the feed water temperature is in the range of 50 to 70 deg. C. So, out of the total 20% energy available in condensate and flash steam, only 8% energy is Get Price
Case studies in boiler trouble shootingGet Price
BOILER FEED PUMPS - Control SpecialtiesGet Price
Feb 01, 2010 · In this case also, steam flash (water-steam mixture) can occur at pump suction and cause cavitation damage to the pump internals. However, the mechanism causing steam flash is slightly different.Get Price
Feb 01, 2010 · In this situation, steam flash (water-steam mixture) can occur at the pump suction and cause cavitation damage to the pump internals. However, the mechanism causing steam flash is slightly Get Price
Cavitation Erosion, Erosion Corrosion, and Graphitization of Impellers. Impellers of condensate and boiler feedwater pumps are also ready prey to corrosion. Here, three types of damage can be distinguished. If the supply pressure is too low, cavitation erosion can occur.Get Price
Jun 24, 2021 · Occasionally, this requires the assistance of a steam condensate pump, as the pressure in the system isn't enough on its own. This pump also helps overcome friction and any residue in the line that slows the return of condensate to the boiler room. Therefore, your steam condensate pump is an important component of your heating cycle.Get Price
Sep 15, 2021 · The boiler feed water delivered by the deaerator feedwater pump is saturated water under a certain pressure, and the temperature is high, and it is easy to vaporize at the inlet of the feedwater pump, which will cause cavitation and cause the water outflow to be interrupted.Get Price
Boiler Feed Pump Optimization to Reduce Cavitation Accurate CFD modeling, validated by real-world results, provides the basis for a redesigned impeller that significantly reduces cavitation MSI fluids engineers were tasked by an OEM to investigate cavitation performance of the first stage in a boiler feed pump design.Get Price
All without pump cavitation. The limit to the size of the pumped zone is the boiler pickup factor. Even this might not be what it seems. A target pickup factor is between one third and one half of the actual steam load connected to the boiler. In reality it can be much more, or even a little less.Get Price
Jun 25, 2014 · If the pump controller isn't level, the switches may trip too soon or too late, causing the boiler-feed pump to operate erratically. The wrong pump controller is on the boiler. McDonnell & Miller supplies many of the pump controllers used in North America. Their most popular pump controller is the #150, and you'll find it on most steam boilers.Get Price
1.1 Boiler Feed Pumps Cavitation damage became evident after a short period of operation on the SFP's (Steam Turbine Driven Boiler Feed Pumps) suction impellers installed in the Eskom 600 MW Power Stations. During the investigation into the cause of cavitation damage to the first stage impellers of the feed waterGet Price
Feed pumps Steam boiler Deaerator Level sensor. Ver 01. 18/12/2008 Page 9 of 25 Drawbacks > The pump must be set to continuous operation (energy consumption) and, therefore, cavitation may cause problems in this type of system. Consequently, a customised CR Low NPSH is a fine choice. Accessories required Dosing pumps and water treatment system.Get Price
Boiler Feed Pump Optimization to Reduce Cavitation Accurate CFD modeling, validated by real-world results, provides the basis for a redesigned impeller that significantly reduces cavitation MSI fluids engineers were tasked by an OEM to investigate cavitation performance of the first stage in a boiler feed pump design.Get Price
The cavitation boiler utilizes oil cavitation heating by vortex cavitator in the primary circuit, and is designed to produce hot water of the target temperature at the outlet of the secondary circuit. No other heating elements, tools or methods are utilized by the cavitation heating system, except for cavitation process itself.Get Price
SRVB #3-Boiler Circulation Pump Cavitation. Posted January 7, 2021. As most pump users know, that when cavitation occurs, it is the result of vapor bubbles collapsing within the impeller passages. It may be within the fluid or on the …Get Price
Boiler water and steam control solutions. Cavitation in boiler water feed pump axles. This occurs due to low pressure in condensate deareators caused by poor control by the pressure regulating valve. This valve maintains a constant pressure on water accumulated inside the deareator; assuring a sufficient net positive suction head (NPSHD) to Get Price
Cavitation at pumps | Bosch steam boiler planning Commercial & Industrial Cavitation at pumps Cavitation refers to the formation and breakdown of steam bubbles in fluids. In this case, the evaporation is caused by a reduction in the static pressure, e.g. due to acceleration of the medium at the impeller inlet in the pump.Get Price
Cavitation – Feed Water Explosion Cavitation is caused when feed water reverts to steam in the feed water pump. Bubbles of steam form in an explosive manner which cause physical damage to the feed water pump internals. The Feed Water pump is designed to pump liquids, not steam, so it cavitates. This surging sound is distinctive.Get Price
Boiler water and steam control solutions. Cavitation in boiler water feed pump axles. This occurs due to low pressure in condensate deareators caused by poor control by the pressure regulating valve. This valve maintains a constant pressure on water accumulated inside the deareator; assuring a sufficient net positive suction head (NPSHD) to Get Price
Boiler feed pumps are also referred to as feed pumps (see Reactor pump) and designed as multistage radial flow pumps. (Also see Multistage pump.) They serve to feed a steam generator such as a boiler or a nuclear reactor with a quantity of feed water corresponding to the quantity of steam emitted. Today, all boiler feed pumps are centrifugal pumps. The design of boiler feed …Get Price
Case studies in boiler trouble shootingGet Price
f. Verify the feed w ater pumps operate without cavitation and are able to keep the boiler(s) full of water. g. Verify the feed water pump discharge pressure puts the pump operation in the correct part of the pump curve. h. If the feed water tank is equipped with a …Get Price
Sep 04, 2020 · Hi all, we recently overhauled 2 boiler feed pumps, and they started tripping after 2-3days of a run- 1. pump A would be running lead and would trip without any Boiler Feed Pumps- cavitation or dry running damage - Boiler and Pressure Vessel engineering - Eng-TipsGet Price
Cavitation is the main reason for pump system breakdowns – and the high temperatures in steam boiler systems increase the risk of it occurring. Avoiding cavitation requires considerations of the pressure available at the inlet of the pump in order to make sure that NPSHA > NPSHR.Get Price
The steam feed pump is used as the accident backup pump, and the flow rate should be 20% to 40% of the required water supply for all operating boilers at the rated evaporation. Only when the boiler house and the feed water pump with the first-level electric load stop operation will not cause the boiler to be dehydrated, the steam feed pump may Get Price
Feel free to reach out if you want to collaborate with us, or simply have a chat.
