男女下面一进一出无遮挡se_色a4yy综合私人_伊人蕉久影院_亚洲综合激情另类小说区

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2018-08

一、 Classified by purpose

1. Power station boiler: used for power generation, mostly large-capacity, high-parameter boiler, fire chamber combustion, high efficiency, export working medium is superheated steam; 2. Industrial boiler: used for indus...

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2018-08

二、 Classified by structure

1. Fire tube boiler: flue gas flows through the fire tube, generally small capacity, low parameter boiler, low thermal efficiency, but simple structure, low water quality requirements, convenient operation and maintenanc...

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2018-08

三、 Classified by cycle

1. Natural circulation drum boiler; 2. Multiple forced circulation boiler boiler; 3. Low-rate circulating boiler; 4. Direct current boiler; 5. Composite circulating boiler. ...

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2018-08

四、 Classified by boiler outlet working pressure

1. Low pressure boiler: general pressure is less than 1.275MPa; 2. medium pressure boiler: general pressure is 3.825MPa; 3. high pressure boiler: general pressure is 9.8MPa; 4. ultra high pressure boiler: general pressur...

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2018-08

五、 Classified by combustion method

1. Fire-bed combustion boiler: mainly used in industrial boilers, including fixed grate furnaces, reciprocating grate furnaces, etc.; 2. Fire chamber combustion boilers: mainly used in power station boilers, boilers burn...

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2018-08

六、 Classified by fuel or energy used

1. Solid fuel boiler: burning solid fuel such as coal; 2. Liquid fuel boiler: burning liquid fuel such as heavy oil; 3. Gas fuel boiler: burning gaseous fuel such as natural gas. ...

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2018-08

七、 Classified by slag discharge method

1. Solid waste slag boiler; 2. Liquid slag discharge boiler. ...

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2018-08

八、 According to the furnace flue gas pressure

1. Negative pressure boiler: the furnace pressure maintains negative pressure, there is a delivery and induced draft fan, which is the main type of coal-fired boiler; 2. Micro-positive pressure boiler: the furnace pressu...

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2018-08

九、 Drum layout classification

1. Single drum; 2. Double drum. ...

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2018-08

十、Waste heat boiler

Use waste heat from industries such as metallurgy and petrochemical industry as heat source. ...

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2018-08

十一、Atomic energy boiler

A steam generator that uses thermal energy released by a nuclear reactor as a heat source. ...

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2018-08

十二、Waste heat boiler

A boiler that uses waste such as garbage, bark, and waste liquid as fuel. ...

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2018-08

十三、 Other energy boilers

A steam generator or water heater that uses energy such as geothermal or solar energy. Class A boiler: rated working pressure (gauge pressure, the same below) P ≥ 3.8 MPa boiler, including: 1. Ultra-supercritic...

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2018-08

十四、 Free name classification

Coal-fired boilers, hot water boilers, oil-fired boilers, steam boilers, electric boilers, environmentally friendly boilers, special boilers, gas boilers, water tube boilers, heat transfer oil boilers, special boilers, d...

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Record number: Su ICP No. 18041342