1. Medium pressure boiler; boiler evaporation: 75t/h; main steam parameter 3.82MPa/450°C. Supporting steam turbine generator set capacity 12MW
2. Medium pressure boiler; boiler evaporation: 130t/h; main steam parameter 3.82MPa/450°C. Supporting steam turbine generator set capacity 25MW
3. High-pressure boiler; boiler evaporation: 220t/h; main steam parameter 5.4MPa/540°C. Supporting steam turbine generator set capacity 50MW
4. High-pressure boiler; boiler evaporation: 260t/h; main steam parameter 5.4MPa/540°C. Supporting steam turbine generator set capacity 60MW
5. High-pressure boiler; boiler evaporation: 410t/h; main steam parameter 5.4MPa/540°C. Supporting steam turbine generator set capacity 100MW
6. Ultra-high pressure boiler; boiler evaporation: 440t/h; main steam parameter 13.7MPa/540°C. Supporting steam turbine generator set capacity 135MW
7. Subcritical boiler; boiler evaporation: 1025t/h; main steam parameter 14.7MPa/540°C. Supporting steam turbine generator set capacity 300MW
8. Supercritical boiler; boiler evaporation: 1900t/h; main steam parameter 26.2MPa/566°C. Supporting steam turbine generator set capacity 600MW
10.Steam is super heated to a high temperature and pressure in the primary super-heaters and then moves to the secondary super-heaters.
11.In the secondary super-heaters steam meets the very hot gases exiting the top of the boiler. The steam is heated to its final temperature and pressure before leaving the boiler as main steam. The main steam is sent to the high pressure steam turbine. The steam turbines drive a generator which produces electricity.
12.Steam exiting the high pressure steam turbine is called cold reheat. It is reheated in the re-heater and sent back to the second steam turbine. By the time the flue gas exits the boiler most of the energy in the coal will be transferred to the water in the boiler. The hot gases are cleaned up before they are sent to a stack. Feed-water is generally supplied by condensed steam from the low pressure steam turbine. Large amounts of cooling water are used to condense this steam into liquid water in the condenser.
Environmental advantages atmospheric boiler which specific environmental pressure boiler boiler belong to a classification of the product's advantages are the following 4:01, energy: environmental pressure steam boiler smoke can be converted into a gas burner saving coal consumption. Atmospheric environmental protection boiler combustion chamber is provided with two double grate above the combustion chamber if no burning coal fell well below the combustion chamber can continue to burn. Also provided primary air, secondary air give sufficient oxygen fuel combustion. According to the user site using the same contrast ratio bituminous coal boilers save about 30% than coal boilers save about 50% and so on. 2, environmental protection: environmental protection atmospheric boilers can burn a variety of bituminous coal and can be quickly converted into a gas burning chimney smoke is not black smoke purification fine dust and sulfur dioxide by monitoring the indicators have reached the national environmental standards. 3, reliable quality assurance: environmental pressure boiler steel plate is used in the national standard steel plate material Q235A, Q235B, international seamless steel pipe made of 20, GB3087, GB8163 production materials and manufacturing processes are in strict accordance with national standards. After testing various indicators have reached the national standard. 4, safe and reliable operation without pressure: atmospheric environmental protection boiler structure is very compact footprint not much on the temperature quickly is no safe and reliable pressure operation. SPLIT boiler arrangement, high capital investment, an area of large, coal adaptability is poor, complicated operation. Boiler output gas generator speed susceptible to impact, heat loss and clogging of piping and other problems tar gas delivery.
August 10, 2018, Shanghai Industrial Boiler Research Institute Co., Ltd. (hereinafter referred to as the working pot), the National Boiler and Pressure Vessel Standardization Technical Committee of Professional Committee of boiler energy conservation (hereinafter referred to as the Commission) was held in Chengdu, organizational GB / T16508 "shell boilers" revision of the second meeting of the reported revision of the second meeting, the main author of this standard, pot capacity standard Committee appointed sub-standard boiler, the special committee secretariat a total of 10 experts attended the meeting.
Organized by the Shanghai Institute of Industrial Boiler Co., Ltd. Deputy General Manager, committee chairman Wang Shanwu chair. He said the main author of the unit where the standard of support GB / T16508 standard revision of thanks and hope the standard revision process experts complement each other, support each other, the GB / T16508 benchmark revision as the boiler industry standardization work seriously treat, carefully modified. Amended in accordance with the basic principles of the first meeting to determine, in addition to technical support for the "Boiler Safety Technology Supervision" (referred to as "Boiler Rules"), but also take into account the needs of industrial boiler manufacturing enterprises, between consideration and GB / T16507 harmonization. At the same time listen to opinions, to further enrich the standard revision work force, give full play to industry leading products representative firm.
Yung pot boiler Technical Committee Standards Committee Secretary-General Zhang Rui introduced GB / T16507.1 "The first part of the water-tube boilers: General" and GB / T16507.2 "The second part of the water-tube boilers: material" revised draft of the general framework and main content.
Money Fenghua special committee Secretary-General reported on the GB / T16508 since revised "shell boilers" start, the main author of each criterion according to the revised terms of reference and requirements, the completion of the GB / T16508-2013 "shell boilers" since the implementation of the views of summary each sub-standard and contrast "boiler rules" (issued), the sub-standard job descriptions revised terms.
GB / T16508 the sub-standard main author of this according to the relevant sub-standard content and "Boiler Rules" (draft for approval) comparing the results of the relevant sub-standard and harmonized need to modify the content of the standard version 13 implementation of the existing problems and proposed amendments analyze and explain proposed amendments focus on the sub-standard and major amendments envisaged.
Experts on key issues related to the sub-standard for the exchange and discussion to reach a consensus on major revisions of this standard and requirements.
Meeting according to GB / T16508 revision schedule requirements, arranged next phase of work, the following:
1. Revision of Standards fleshed out power to complete the Standards Working Group set up before the end of August;
2. Please carefully review the main author of each standard GB / T16508.1 ~ 16508.8 major amendments description, and recommend changes, submitted to the Shanghai International Industry pot special committee secretariat by August 25;
3.GB/T16508 the sub-standard main author collected the views, modify the preparation of the draft (draft) on the basis of the draft text, submitted to the Shanghai International Industry pot special committee secretariat on September 30.
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