In recent years, China's urban heating fuel supply boiler structure has greatly changed the traditional coal-fired boiler is no longer applicable to the increasingly serious environmental requirements. Gas fired boiler has begun to gradually replace coal-fired boilers to become market leader . Because of the novelty of the gas boiler and high-tech . Customers in actual use , there is no maintenance methods and maintenance experience , here we use the process gas fired boiler maintenance jointly explore.
To understand gas boiler maintenance , first we must understand the major components of a gas fired boiler.
a. burner : burner collector , filter , oil and gas in one. High degree of integration , high degree of automation , is focused on the maintenance of the boiler system.
b. the boiler furnace : the main components of the boiler furnace is to achieve thermal energy conversion
c. computer control systems: computer control system is the core component of the entire boiler operation , the boiler 's command center
a. burner maintenance: a comprehensive clean cups and saucers turn the burner ignition devices, filters , pumps, motor and impeller system, throttle linkage plus lubricant. Reinstated for combustion testing.
b. the controller maintenance: Maintenance detect electrical components, control lines, clean up gray control box set , each control point detection. Finally, seal the deal . Prevent moisture controller components .
c. the water supply system maintenance: maintenance of water treatment equipment , check whether water quality standards , a comprehensive clean water treatment system to check the functioning of the feed pump and lift , check whether the pipeline valves , etc. can be used flexibly . Water and electricity , each filled with water after the system closes the valve .
d. furnace maintenance: In order to make the boiler safe and economic operation lasting , must in daily use , strengthen boiler maintenance. This is to prevent the lower thermal efficiency, avoid the use of state of deterioration and boiler accidents important measures.
Wet maintenance is generally applicable to a period not exceeding one month shutdown boiler . After the boiler shutdown, the pot of water exhausted , remove scale and soot Close all manholes, hand holes , valves, etc. , and run the boiler completely isolated . Demineralized water is then added to the lowest water level , then a dedicated pump to protect the prepared alkaline solution is injected into the boiler . Protection solution components are: sodium hydroxide ( also known as caustic soda ) per ton pot of water plus 8-10Kg, or sodium carbonate ( soda ash , also known as ) per ton pot of water plus 20Kg, or trisodium phosphate per ton of water added 20Kg.
When all protection solution injection valve to open , will fill the boiler water softening , until the water coming out from the air valve , and then close the air valve and the valve to open a dedicated water circulation pump , ensure thorough mixing . Role in the protection of the solution is to make the boiler heating surface gradually form a layer of alkaline water film , thereby protecting the heating surface from oxidation corrosion. Throughout the maintenance period, to regular students Microflame oven to keep the heating surface external dry ; open to regular water circulation pump that is consistent throughout the solution concentration ; also regularly take the test solution , if lower alkalinity and should be supplemented with . Winter freezing measures to be taken .
Dry maintenance apply to the boiler shutdown longer, especially in summer to disable the heating and hot water boilers. After the boiler shutdown, the pot of water exhausted , shut down the heating pipes, water supply and sewage pipes trail valve , or with partitions blocking, and the other running the boiler completely isolated . Then open the manhole so that drum to dry naturally .If the boiler room and wet , preferably with Micro-flame the boiler and furnace wall flue drying , and then drying agent such as calcium oxide , also known as quicklime massive boiler volume per cubic meter plus 2-3Kg, or anhydrous calcium chloride per cubic meter of boiler volume plus 2Kg exposure tray on the furnace used , and with a bag over hoisting drum to absorb moisture. Everyone finally close the hole and hand holes, to prevent moist air into the boiler . Inspected once every two weeks or so after the heated surface for corrosion and replace the desiccant failure .
Keyword: Industry steam boiler, How gas fired boiler maintenance,boiler maintenance
Source: http://www.zgsteamboiler.com/faq/how-gas-fired-boiler-maintenance.html
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Source: http://www.zgsteamboiler.com/faq/how-gas-fired-boiler-maintenance.html
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