NB/T 34005-2020 English PDFUS$189.00 · In stock
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Basic dataStandard ID: NB/T 34005-2020 (NB/T34005-2020)Description (Translated English): (Clean heating stove test method) Sector / Industry: Energy Industry Standard (Recommended) Classification of Chinese Standard: F13 Word Count Estimation: 8,854 Date of Issue: 2020-10-23 Date of Implementation: 2021-02-01 Older Standard (superseded by this standard): NB/T 34005-2011 Regulation (derived from): National Energy Administration Announcement No. 5 of 2020 Issuing agency(ies): National Energy Administration NB/T 34005-2020: (Clean heating stove test method)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Test method for clean heating stoves Energy Industry Standards of the People's Republic of China 2020-10-23 released 2021-02-01 implementation Issued by the National Energy Administration Replace NB/T 34005-2011, NB/T 34008-2012 1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 Test requirements...1 5 Thermal performance test...2 6 Air pollutant emission detection...3 7 Test report...5 ForewordThis document starts from the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" grass. This document replaces NB/T 34005-2011 "Civil Biomass Solid Briquette Heating Stoves Test Method" and NB/T 34008-2012 "Test Method for Biomass Cooking and Heating Stoves". This document is based on NB/T 34005-2011 and integrates the parts of NB/T 34008-2012 Sub-content, compared with NB/T 34005-2011, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The name of the standard was changed to. Test Method for Clean Heating Stoves; b) Modified the scope (see Chapter 1, Chapter 1 of the.2011 edition); c) Added the reference standard of nitrogen oxides (see Chapter 2); d) Modified the thermal performance test method (see Chapter 5, Chapter 5 of the.2011 edition); e) The test method of cooking power has been added (see 5.3); f) Modified air pollutant test methods (see Chapter 6, Chapter 6 of the.2011 edition); g) Modified the content of the test report (see Chapter 7, Chapter 8 of the.2011 edition). This document was proposed by the China Rural Energy Industry Association. This document is under the jurisdiction of the Energy Industry Rural Energy Standardization Technical Committee (NEA/TC8). This document is organized and drafted by the Civil Cleaning Stove Professional Committee of China Rural Energy Industry Association. This document was drafted by. Yanmei Lantian Clean Energy Co., Ltd., Linyi Cree Electronics Co., Ltd., Agricultural Ecology and Resources of the Ministry of Agriculture and Rural Affairs Source Protection Station, Beijing Zhongyan Environmental Energy Environmental Technology Testing Center, Beijing University of Chemical Technology, Shaanxi Zhonghuan Machinery Co., Ltd., Zibo Liudian Furnace Industry Co., Ltd., Beijing Future Blue Sky Technology Co., Ltd., Weifang Aidongle Environmental Technology Co., Ltd., Shenghuo (Hubei) Agricultural Technology Co., Ltd. Co., Ltd., Hebei Kaixiang Heating Equipment Co., Ltd., Yangxin County Limin Biomass Energy Technology Co., Ltd., Shanxi Jiajiawang Technology and Trade Co., Ltd., Peking University, China Agricultural University, Beijing University of Aeronautics and Astronautics, State Grid Jibei Electric Power Research Institute. The main drafters of this document. Wang Zhenping, Wang Baojie, Li Huibin, Yang Mingzhen, Liu Guangqing, Yao Weiping, Guo Qun, Zhang Jing, Bi Xiaochao, Gao Hongliang, Wang Hongxiang, Zhang Debo, Li Chiming, Shen Guofeng, Zhou Yuguang, Li Xinghua, Zhou Weiqing, Xue Chunyu, Zhang Wenting, Ren Yawei, Xiao Ming Song, Wang Fuhu, Wu Ting. The previous editions of this document and the documents replaced are as follows. --NB/T 34005-2011; --NB/T 34008-2012. --This is the first revision. Clean heating stove test method1 ScopeThis document specifies the thermal performance test methods and air pollutant emission test methods for clean heating stoves (hereinafter referred to as stoves). This document is applicable to the burning of clean coal, biomass briquettes (including lump fuelwood), water as the heat transfer medium, and the rated heat supply is less than 50kW. Heating stoves with working pressure at normal pressure and outlet water temperature not higher than 85°C and heating stoves with cooking functions. Stoves with chimneys and kangs are also available Reference use.2 Normative referencesThe contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated reference documents, Only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document file. GB/T 213 Method for determination of calorific value of coal GB/T 16157 Determination of particulate matter in exhaust gas from stationary sources and sampling method for gaseous pollutants GB/T 30727 Method for determination of calorific value of solid biomass fuel HJ/T 42 Determination of nitrogen oxides in exhaust gas from stationary sources. Ultraviolet spectrophotometry HJ/T 44 Determination of Carbon Monoxide in Exhaust from Stationary Pollution Sources Non-dispersive Infrared Absorption Method HJ 57 Determination of Sulfur Dioxide in Exhaust Gases from Stationary Pollution Sources Constant Potential Electrolysis Method HJ/T 398 Determination of blackness of flue gas emitted by stationary sources. Ringelmann smoke blackness diagram method HJ 629 Determination of Sulfur Dioxide in Exhaust Gas from Stationary Pollution Sources Non-dispersive Infrared Absorption Method HJ 692 Determination of nitrogen oxides in exhaust gas from stationary pollution sources Non-dispersive infrared absorption method HJ 693 Determination of Nitrogen Oxides in Exhaust Gases from Stationary Pollution Sources Constant Potential Electrolysis Method HJ 836 Gravimetric method for determination of low-concentration particulate matter in waste gas from stationary sources HJ 973 Fixed Pollution Source Waste Gas Determination of Carbon Monoxide Constant Potential Electrolysis Method NB/T 34006-2020 Technical requirements for clean heating stoves3 Terms and definitionsThe terms and definitions defined in NB/T 34006-2020 apply to this document.4 Test requirements4.1 Test equipment a) Water tank, heat preservation, capacity 1m3, 1.5m3; b) Platform scale, accuracy level III; c) Clock, the daily difference is less than 1 min; d) Thermometer with a resolution of 0.2℃; e) Anemometer, with an accuracy of 0.5; f) Smoke (gas) tester; g) Flue gas analyzer. 4.2 Test conditions a) The ambient temperature is 10℃～35℃; b) The wind speed is less than 1.0 m/s; c) The furnace should be far away from other heat sources during the test. When multiple furnaces are tested in the same place, the distance should be greater than 1m. 4.3 Test preparation 4.3.1 The test personnel should be familiar with the operating methods of stoves and have stove test experience. 4.3.2 Calibrate the instrument as required. 4.3.3 When the rated heat supply of the stove is not more than 15kW, a 1m3 water tank is used for the test, and 1.5m3 when it is greater than 15kW. The bottom of the water tank is above the ground The surface is not less than 1.2m. 4.3.4 Prepare the fuel required for the test according to the rated heat supply of the stove and the instructions provided by the stove manufacturer. The amount of clean coal fuel should be It is guaranteed to burn for more than 4h under the rated heat supply, and more than 3h for biomass fuel, as shown in Table 1. 4.3.5 Measure the low calorific value of coal received based on the provisions of GB/T 213. 4.3.6 Measure the low calorific value of biomass fuel received based on the provisions of GB/T 30727.5 Thermal performance test5.1 Test preparation 5.1.1 Connect the water inlet and outlet of the stove, the smoke outlet with the water tank and the test equipment. 5.1.2 Fill the water tank to 90% of its capacity, and record the water temperature and water volume. 5.1.3 Calculate and weigh the fuel consumption according to the rated heat supply of the stove, 3h for clean coal stoves and 2h for biomass stoves. 5.1.4 Fill the water jacket of the furnace body with water, place the firelighter and fuel in the furnace, and ignite. 5.1.5 When the outlet water temperature rises to 75°C, open the valve to discharge water into the water tank, and control the outlet water temperature at 75°C to 80°C. 5.1.6 Adjust the stove to the rated heating condition, record the position of the fuel layer and the combustion status, and prepare to start the thermal performance test. 5.2 Heating performance test 5.2.1 When the stove reaches a stable heating state, start the heating performance test, and record this time T1. 5.2.2 During the test, add the weighed fuel according to the operating instructions of the stove, and wait until the test time reaches 3 hours of clean coal or 2 hours of biomass. The fuel layer position and combustion conditions in the tool are consistent with those at the beginning of the test. Stop the test and record the end time T2 and the amount of fuel added. 5.2.3 During the test, record the outlet water temperature and inlet water temperature every 10 minutes, and record the water output. 5.2.4 During the statistical test period, the fuel consumption (B), total water output (Gz), total water average temperature (tcp) and total water average temperature (tjp) are counted. 5.2.5 The power consumption of stoves with fans and automatic control shall be measured. 5.3 Cooking power test 5.3.1 The cooking power test is carried out during the heating performance test, and there should be a fuel quantity that can maintain stable combustion for more than 1 hour in the furnace. 5.3.2 When the diameter of the test evaporator is 240mm, the initial boiler water volume is 5kg; when the diameter is 280mm, the initial boiler water volume is 7kg. 5.3.3 Pour the weighed water into the pot, and record the initial pot water volume G1.Cover the evaporating pot and place the lid on the stove fire to make the pot water rise gradually Wen, ready to start the cooking power test. 5.3.4 The temperature measuring point of the pot water should be located at the center of the evaporating pot and about 10mm away from the bottom of the pot. 5.3.5 When the pot water temperature rises to the boiling point, open the pot cover and start the cooking power test, and record the time and boiling point temperature at this moment. Pot water evaporates for 60min After that, immediately remove the evaporating pot and weigh the remaining pot water G2 to end the cooking power test. 5.4 Calculation of test results 5.4.1 The heat supply is calculated according to formula (1). Where. Pn-heat supply, in kilowatts (kW); Gz-total water output, in kilograms (kg); tcp-the average temperature of the total effluent, in degrees Celsius (°C); tjp-the average temperature of the total inlet water, in degrees Celsius (°C); T2-T1 - Test time, in seconds (s). 5.4.2 The heating thermal efficiency is calculated according to formula (2). Where. η-thermal efficiency; B - Fuel consumption, in kilograms (kg); Qnet.v.ar - The received base low calorific value of the fuel, in kilojoules per kilogram (kJ/kg). 5.4.3 Cooking power is calculated according to formula (3). Where. Pc-cooking power, in kilowatts (kW); G1 - The initial water volume in the evaporator, in kilograms (kg); G2 - The amount of remaining water in the evaporator, in kilograms (kg); r - The average latent heat of vaporization of the boiler water at the average evaporation temperature, in kilojoules per kilogram (kJ/kg).6 Air pollutant emission detection6.1 High-power air pollutant emission test ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of NB/T 34005-2020_English be delivered?Answer: Upon your order, we will start to translate NB/T 34005-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of NB/T 34005-2020_English with my colleagues?Answer: Yes. 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