The fast boiler feed water hydrazine treatment related personnel monitoring center, started after the boiler, the boiler pressure, exhaust gas temperature and other sensors will automatically collecting various kinds of boiler operation data and real-time transmission through the mobile network to a remote monitoring center located at the headquarters of the fast boiler ; operating data once abnormal or deviation, the monitoring center monitoring personnel can detect and organize experts to analyze and issue alerts and corrective measures.
Check the contents of the auxiliary boiler feed water hydrazine treatment operation:? 1 fan: Manhole closed tightly, the bearing temperature indicates the correct temperature <70 ℃, front and rear bearings normal oil level 1 / 2-2 / 3, bearing oil level is normal, backwater normal, return water temperature <40 ℃, shaft vibration <0.1MM, string axis <2 --- 4MM, the normal rotation of the fan, without friction, abnormal sound, no smell. 2, the motor Motor no loose anchor bolts, screws shroud wheel well, firm ground line, front and rear bearings normal oil level, the oil level gauge clarity, good oil, bearing temperature <70 ℃, motor temperature <100 ℃ motor shaft shock <0.1MM, string axis <2 --- 4MM, the normal rotation of the motor, no friction investigation, different tone. 3, the baffle: an inlet baffle adjustment operation flexibility, good link is coupled with the actuator, indicative of the correct scale, the local switch - remote control - the position of the outlet shutter flexible movement of the link mechanism is coupled perform well, indicating proper scale , local switch, the - remote control - the position of 1 / 2-2 / 3.4, petrol stations normal oil tank, good oil, hydraulic oil pressure adjusting 2.5-3.5MPA leakage of hydraulic oil oil oil return to normal, lubricants 0.4 --- 0.5MPA filter differential pressure <0.05MPA, lubricating oil normally adequate oil return, the system no oil, the cooling water flow, normal tap water, the return temperature <40 ℃.
Gas boiler feed water hydrazine treatment explosion-proof doors set to open at the sudden increase in pressure combustible gas explosion or rupture, releasing high pressure gas, thereby reducing damage to the gas boiler body, to ensure the safety of the boiler room.
The use of gas-fired boiler feed water hydrazine treatment would bring me any good: environmental management and maintenance efforts in continuous improvement, people on the ecological environment is getting high. Low thermal efficiency, high-polluting coal-fired boilers began to withdraw from the stage of social development, to be replaced by more environmentally friendly gas boiler cleaning equipment. Then, using a gas-fired boiler, give users what good is it?
The goal is to improve the quality of water before it is used as boiler feed water. b) Technically, treatment methods are aimed at reducing alkalinity, hardness, silica, iron, manganese, turbidity, bacteria, organic matte r and others . In boiler feed water treatment helps in preventing corrosion, scaling, overheating.Get A Quote
Jun 26, 2017 · Soda ash (Na 2 CO 3) may be used to increase the boiler water alkalinity. It partially decomposes at boiler temperatures and pressures to produce caustic soda (NaOH) and carbon dioxide (CO 2 ) gas. Since the carbon dioxide adds to the neutralizing amine demand in the condensate, the use of caustic soda as the alkalinity builder is preferred.Get A Quote
The guidelines for water quality control of water/steam in boiler plants of 60 kg/cm 2 and above are furnished as recommended by many boiler designers. The feed water limits . For drum operating pressure kg/cm 2 (g) 61-100, 101-165, and 166-205 with PO 4 treatment type of boilers: Hardness, in ppm, has to be nil for all pressures.Get A Quote
poses some recommendation for consideration during boiler preservation. INTRODUCTION Hydrazine and sodium sulfite are the most widely used chemical oxygen scavengers for boiler feed water. Though sodium sulfite reacts with dissolved oxygen at a faster rate even at low temperatures it increases the dissolved solids in boiler water andGet A Quote
Alkalinity reading of less than 0.050 epm or greater than 1.500 epm, Phosphate of less than 5 ppm, conductivity more than 1500 umhos/cm and dissolved oxygen in the feedwater entering the boiler is greater than 15 ppb for more than how many hours after detection is defined as serious boiler water contamination?Get A Quote
boiler feed water hydrazine treatment Boiler water treatment - Lenntech Chemical treatment of water inside the boiler is usually essential and complements external treatment by taking care of any impurities entering the boiler with the feed water (hardness, oxygen, silica, etc.).Get A Quote
Boiler water control tests include tests for alkalinity, phosphate, polymer, hydrazine, chelate, sulfite, pH, organic colour, and total dissolved solids. If sulfite test shows adequate residual is present (this test is not valid with use of uncatalyzed sodium sulfite), the feedwater oxygen has been removed.Get A Quote
Jun 06, 2015 · Internal treatment and control of boiler feed water. Purpose of using boiler water treatment chemicals Controlling pH and alkalinity to prevent scale formation and corrosion Softening to prevent scale formation Sludge dispersing for easy blow down to prevent scaling Oxygen scavenging to prevent corrosion.Get A Quote
Hydrazine also reacts with soft haematite layers on the boiler tubes and forms a hard magnetite layer, which subsequently protects the boiler tubes from further corrosion, forming an important component in boiler water treatment. Hydrazine has been used in high purity and high pressure systems (greater than 900 psig), where sulphite compounds in the steam could otherwise foul a catalyst, or where feed water is used for steam attemperation.Get A Quote
Proper treatment of boiler feed water is an important part of operating and maintaining a boiler system. As steam is produced, dissolved solids become concentrated and form deposits inside the boiler. This leads to poor heat transfer and reduces the efficiency of the boiler.Get A Quote
Total Boiler pressure parts economiser, steam drum, water walls, super heater tube are filled with feed water having high concentration of Hydrazine (200 PPM). Such high concentration of hydrazine ensures, there is no dissolved oxygen available in feed water.Get A Quote
Hydrazine is compatible with all boiler water treatment chemicals except organics, amines, and nitrates. However, it is good engineering practice to feed hydrazine alone. It is usually fed continuously into the storage section of the deaerating heater.Get A Quote
Sep 01, 2018 · De-aeration is a critical feedwater treatment component for every boiler application. The raw make-up water fed from the upstream water-treatment system is saturated with oxygen.Get A Quote
If a boiler water possesses embrittling characteristics, steps must be taken to prevent attack of the boiler metal. Sodium nitrate is a standard treatment for inhibiting embrittlement in lower-pressure boiler systems. The inhibition of embrittlement requires a definite ratio of nitrate to the caustic alkalinity present in the boiler water.Get A Quote
Jun 26, 2017 · Calculating Boiler Chemical Requirements. B. Purity or active ingredients of a treatment chemical In making chemical calculations we must adjust equivalent weights of substances to reflect their active content or purity. For example, the equivalent weight of hydrated lime (calcium hydroxide) is 37.1, assuming the lime is 100% active.Get A Quote