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How gas fired boiler maintenance?

Date: 03-30-2015 Author: ailsa from ZG boiler

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years, China's urban heating fuel supply boiler structure has greatly changed the traditional coal-fired boiler is no longer applicable to the increasingly serious environmental requirements.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.

gas fired boiler

To understand gas boiler maintenance , first we must understand the major components of a gas fired boiler.

1.A gas fired boiler main components

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

2. The maintenance of each system of gas fired boiler

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.

( A ) Wet maintenance

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 .

( B ) Dry maintenance

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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Established:In 1945

Number of Employees:above 1500 People

Our products:industrial horizontal steam boiler and hot water boiler(biomass boiler, gas boiler, oil boiler, coal boiler, etc), CFB boiler, power plant boiler, waste heating recovery boiler, Pressure Vessel(AAC autoclave, Curing tank,etc )

Factory Size (Sq.meters):400,000 square meters

Factory Location:Factory 1: Zhengzhou,,Henan, China. Factory 2: Xingyang,Henan,China

Number of R&D Staff:376 people

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Export Percentage:30-40%

Total Annual Sales Volume:US$100 Million

Main Market:South America(Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Brazil, Bolivia, Chile, Paraguay, Uruguay, Argentina and French Guiana), North America(Bahamas, Canada, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Haiti, Jamaica, Mexico, Nicaragua, Panama), Eastern Asia(Mongolia / Russia / North Korea / South Korea / Japan), Oceania(Australia, New Zealand, Fiji), Mid East(Bahrain, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, UAE and Yemen, Palestine, Algeria, Libya, Morocco, Tunisia and Sudan, Mauritania and Somalia), Africa(Egypt, Sudan, Libya, Tunisia, Algeria, Morocco, Ethiopia, Somalia, Kenya, Tanzania, Sierra Leone, Liberia, Cote d'Ivoire, Ghana, Togo, Niger, Nigeria, Cameroon, Gabon, Congo (Brazzaville), Zambia, Zimbabwe, Angola, Mozambique, Botswana, Namibia, South Africa), South Asia(Nepal, Bhutan, India, Pakistan, Bangladesh, Sri Lanka, Maldives) Southeast Asia(Vietnam, Laos, Cambodia, Thailand, Myanmar, Malaysia, Singapore, Indonesia, Brunei, the Philippines, East Timor) Domestic Market(China)

Source: http://www.zgsteamboiler.com/faq/how-gas-fired-boiler-maintenance.html

Pre:  How to judge gas fired hot water boiler lack of water?

Next:  What is water tube boilers?

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