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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
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!
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What is the difference between DM water and boiler feed
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
Cooling water is used in industrial processes to dissipate large amounts of heat. Boiler feed water, on the other hand, is used in the water/steam circuit for electricity generation in power stations. The water has to meet specific requirements for both applications, which is why it is analyzed on a regular basis.Get Price
A Feedwater Heater located downstream of the boiler feed pump. Typically, the tube-side design pressure is at least 100 Bar, and the steam source is the high-pressure turbine. Intermediate Pressure Heater (IP): A Feedwater Heater usually located tube-side between the booster pump and the boiler feed pump.Get Price
Sep 14, 2011 · generally pH of d.m water i.e. out from mixed bed exchanger is 6-7.5. but the boiler feed water criteria is different. hence before feeding to the boiler again pH …Get Price
Therefore, good internal boiler water treatment programs are necessary. DEPOSITS. Common feedwater contaminants that can form boiler deposits include calcium, magnesium, iron, copper, aluminum, silica, and (to a lesser extent) silt and oil. Most deposits can be classified as one of two types ( Figure 12-1 )Get Price
e. boiler feed water to the boiler. C. These types of boilers (A, D, and O) have furnaces cooled by _____ lining the furnace walls. The difference in density between water and saturated steam becomes progressively less with increased pressure and disappears altogether at …Get Price
Apr 12, 2020 · A boiler is a steel pressure vessel in which water under pressure is converted into steam by the application of combustion. In other words, it is simply a heat exchanger which uses radiant heat and hot flue gases, liberated from …Get Price
Feb 24, 2012 · For continuous supply of feed water to boiler, after removing impurities, there are two types of plant generally incorporated. These are: Demineralization plant (D M plant); Reverse Osmosis plant (R O plant); Demineralization plant employs a chemical method to separate out the dissolved salt in raw water. But reverse osmosis plant employs a simple physical method to …Get Price
Jan 26, 2022 · Backed by our outstanding, Honeywell's dehumidifiers are the trusted choice for a reliable, long-lasting moisture removal for your home. 4 pages American Standard Water heaters & boilers user manuals download Ouellet OTH Thermostat Operation & user's manual PDF View/Download, Page # 2 Hurst Boiler and Welding Inc.Get Price
May 05, 2018 · In boiler feed water treatment, demineralised water with an electrical conductivity of < 0.2 μS/cm is used as →make-up water for steam turbine plants. The field of applications ranges from small to medium-sized bio mass …Get Price
Topic – 1 Boiler feed water 1 .Definition: The setup used to produce steam in industries is known as 'Boiler'. Water is fed to the boiler and heated to produce steam. The water fed into the boiler is known as "Boiler feed water". 2. Requirements for boiler water S.No Requirements for boiler water If not, it will causeGet Price
May 05, 2015 · Silica needs to be controlled at DM plant also. The percentage of impurity allowed in boiler water/steam is function of boiler operating pressure, so, more critical for high pressure boilers. Two basic ways to regulate corrosion in water, are All Volatile Treatment (AVT) and Oxygenated Treatment (OT).Get Price
Feed-water purity requirements therefore can vary widely. A low-pressure fire-tube boiler can usually tolerate high feed-water hardness with proper treatment while virtually all impurities must be removed from water used in some modern, high-pressure boilers. Only relatively wide ranges can be given as to maximum levels of alkalis, salt, silica Get Price
Mar 31, 2020 · Thus, a boiler feed pump is built to handle extremely high water pressure to deliver the feedwater into the boiler system. Generally, a boiler feed pump can handle the pressure of up to 100 bar. In most cases, there is a required pressure for the purpose of your boiler's operation.Get Price
Boiler Feedwater Make-up. The feedwater make-up for boilers is always softened and subsequently deaerated. It may vary in quality from fairly high dissolved solids (e.g., Zeolite-Treated), to very pure demineralized feed for high-pressure boilers. …Get Price
For treated water for high pressure boilers: In the boiler drum colloidal silica is converted into reactive silica due to the high temperature and pressure conditions present in the boiler drum. So limiting criteria are designed for total silica, as follows - Boiler Pressure (psig) SiO 2 Tolerance in Feed Water (ppm) 1000 0.01 0.02 1500Get Price
The feed check valve is fitted in the water space of the boiler just below the normal level of water. It consists of a non-return valve, spindle, gland, wheel, water inlet, and outlet pipe. Working: It controls the flow of water from the feed pump to the boiler and prevents return flow from the boiler to the feed pump.Get Price
Jan 24, 2022 · This term is generally applicable in boiler water treatment. The concept is same as Strong Acid Cation(SAC) column works in DM Plant. To measure cation conductivity water sample is passing through cation column filled with cation resin in the hydrogen (H + ) form.Get Price
May 04, 2016 · Boiler pH should be kept between 10.5 and 12.5. Below 10.5, there is insufficient protection from corrosion and hardness compounds are not precipitated in the desired, free-flowing form. Above 12.5 there is the possibility of caustic embrittlement and carryover. Condensate pH should be kept between 8.0 and 8.6.Get Price
Feb 19, 2018 · Demineralization generally results in almost complete removal of minerals, and is thus typically reserved for applications requiring higher level of water purity, such as feed or makeup water for high pressure boilers, rinse water …Get Price
This is related to dissolved oxygen rather than the water itself. It is a particular problem in boilers using demineralised feed water - without deaeration or treatment chemicals to remove dissolved oxygen, boiler corrosion is far more severe than when …Get Price
Feb 27, 2018 · Food and Beverage: DI water is often used to sanitize containers and equipment, while distilled water can be used as an ingredient. Power: Both distillation and DI is used to pretreat feed and makeup water for cooling towers and high-pressure boilers. The high purity of distilled and DI water ensures predictable heating and pressure, protects against scaling, and …Get Price
As we know, removing of hardness is a costly process, so we produce DM water for specific purpose like it is used in reactor for chemical reaction or dilution etc. Boiler feed water is a water with very less hardness used in boiler to generate steam. Hardness should not …Get Price
Nitrogen, being inert, has little effect on water used in boilers. Water can contain 10 ppm of carbon dioxide, sometimes much more than that due to decaying vegetation and organics in soil. Hydrogen sulfide and methane may be dissolved in water but this is rare. These gases can be troublesome when they are present in the feed water.Get Price
Aug 10, 2009 · Introduction. The main difference between an open feed system and a closed feed system is that in a closed feed system none of the parts of the system are exposed to the environment, as you will later see in the feed water system diagram.Closed feed system is generally used in a high pressurized system such as a high pressure water tube boiler …Get Price
5 Major Difference between RO and EDI Water Systems Reverse Osmosis Water System 1. How RO Works Applications of EDI is Used in the recycling of residual water in the food and beverages industry, microchip rinse water, and power plant boiler feed water. Moreover, its performance is very reliable since it provides high purity water Get Price
Boiler efficiency may be indicated by. Combustion Efficiency - indicates a burners ability to burn fuel measured by unburned fuel and excess air in the exhaust; Thermal Efficiency - indicates the heat exchangers effectiveness to transfer heat from the combustion process to the water or steam in the boiler, exclusive radiation and convection losses; Fuel to Fluid Efficiency - …Get Price
Boiler Economiser: Boiler Economiser ( Sometimes Called Economizer ) is the Energy improving device that helps to reduce the cost of operation by saving the fuel.. The economizer in Boiler tends to make the system more energy efficient.. In boilers, economizers are generally Heat Exchangers which are designed to exchange heat with the fluid, generally water.Get Price
Jan 21, 2017 · Boiler Water Treatment 1. BOILER FEED WATER CHEMESTRY Dr. Rohit Singh Lather, Ph.D. 2. Introduction • Boiler Feed Water – Water used in boiler for steam generation, it comes in contact with the materials used in the boilers. – It is available from different sources such as river, pond, groundwater.Get Price
Feb 24, 2016 · It is necessary to measure the conductivity of the boiler water inside the boiler or in the blowdown line. Obviously, the conditions are very different from those of the sample obtained via the sample cooler which will be cooled and subsequently neutralized (pH = 7). The main aspects are the great temperature difference and high pH.Get Price
May 07, 2015 · Water is treated properly before feeding boiler. External Boiler Feed water treatment is the decrease or elimination of contaminants from water outside the boiler. It involves removal or reduction of some undesirable characteristics and addition of desirable characteristics to make water suitable and less troublesome for a proposed application before it is delivered …Get Price
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