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NB/T 34006-2020: (Technical conditions for clean heating stoves)
Status: Valid NB/T 34006: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 34006-2020 | English | 209 |
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(Technical conditions for clean heating stoves)
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NB/T 34006-2020
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| NB/T 34006-2011 | English | 399 |
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General specifications for domestic densified biofael heating stove
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NB/T 34006-2011
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PDF similar to NB/T 34006-2020
Basic data | Standard ID | NB/T 34006-2020 (NB/T34006-2020) | | Description (Translated English) | (Technical conditions for clean heating stoves) | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | F13 | | Word Count Estimation | 9,936 | | Date of Issue | 2020-10-23 | | Date of Implementation | 2021-02-01 | | Older Standard (superseded by this standard) | NB/T 34006-2011 | | Regulation (derived from) | National Energy Administration Announcement No. 5 of 2020 | | Issuing agency(ies) | National Energy Administration | NB/T 34006-2020: (Technical conditions for clean heating stoves)---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.
Specification for clean heating stovesCS Y 71
NB
Energy Industry Standards of the People's Republic of China
Replace NB/T 34006-2011, NB/T 34007-2012
2020-10-23 released
2021-02-01 implementation
Issued by the National Energy Administration
1 Scope...1
2 Normative references...1
3 Terms and definitions...1
4 Classification and coding...2
5 Fuel requirements...3
6 Technical requirements...3
7 Test method...5
8 Inspection Rules...5
9 Marks, packaging, warning signs, storage and service life...6
Foreword
This 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 34006-2011 "General technical requirements for civil biomass solid briquettes heating stoves" and NB/T 34007
-2012 "General Technical Requirements for Biomass Cooking and Heating Stoves". This document is based on NB/T 34006-2011 and integrates NB/T 34007
-Part of the content of.2012, compared with NB/T 34006-2011, except for structural adjustments and editorial changes, the main technical changes are as follows.
a) The name of the standard was changed to. technical conditions for clean heating stoves;
b) Modified the scope (see Chapter 1, Chapter 1 of the.2011 edition);
c) The terms and definitions of clean coal, biomass briquettes, cooking power, high power and low power have been added (see Chapter 3);
d) The classification and coding of heating stoves have been added, and the model representation method has been modified (see Chapter 4, Chapter 4 of the.2011 edition);
e) Increased the fuel requirements for heating stoves (see Chapter 5);
f) The requirements for cooking power of heating stoves with cooking functions have been added (see 6.3.2);
g) Modified and increased the thermal efficiency and air pollutant emission indicators and classifications of heating appliances (see 6.3, 5.15, 5.16 of the.2011 edition);
h) Modified the inspection rules (see Chapter 8, Chapter 7 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. Beijing Laowan Clean Heating Equipment Co., Ltd., Shandong Chaowan Heating Equipment Co., Ltd., Shandong Qi Haohuan
Baosteel Technology Co., Ltd., Shandong Duole New Energy Technology Co., Ltd., Zibo Liudian Furnace Co., Ltd., Yanmei Lantian Clean Energy Co., Ltd.
Company, Shaanxi Zhonghuan Machinery Co., Ltd., Shijiazhuang Chunyan Heating Equipment Co., Ltd., Hebei Xinhuo New Energy Technology Co., Ltd.,
Linyi Cree Electronics Co., Ltd., Beijing Future Blue Sky Technology Co., Ltd., United Biomass Energy Xuzhou Co., Ltd., Yantai Shangmei
Home New Energy Co., Ltd., Shandong Zhengxinde Environmental Technology Development Co., Ltd., Foshan Huishengcai Electronics Co., Ltd., Beijing Huaye Sunshine New
Energy Co., Ltd., Zhejiang Zhongli Tool Manufacturing Co., Ltd., Shenghuo (Hubei) Agricultural Technology Co., Ltd., Agricultural Ecology and
Resource Protection Station, Beijing Zhongyan Environmental Energy Environmental Technology Testing Center, Beijing University of Chemical Technology, State Grid Jibei Electric Power Co., Ltd. Electric Power Research
hospital.
The main drafters of this document. Xing Lili, Diao Xingsheng, Gu Maosheng, Sun Lei, Guo Qun, Meng Lei, Gu Jianxiang, Li Fenglin, Liu Qingchao, Wang
Bao Jie, Zhang Jing, Yang Tiankun, Zhao Yujiang, Li Na, Xue Yonghong, Zhong Hongwei, Zhao Weizhong, Gao Hongliang, Xu Wenyong, Yang Mingzhen, Xue Chunyu,
Wu Huacheng, Xiao Mingsong, Ren Yanbo, Liu Guangqing.
The previous editions of this document and the documents replaced are as follows.
--NB/T 34006-2011;
--NB/T 34007-2012;
--This is the first revision.
Technical conditions for clean heating stoves
1 Scope
This document specifies the terms and definitions, classification and coding, fuel requirements, and technical requirements for clean heating stoves (hereinafter referred to as stoves).
Test methods, inspection rules, signs, packaging, warning signs, storage and service life, etc.
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℃ and heating stoves with cooking functions. Stoves with chimneys and kangs are also available
Reference use.
2 Normative references
The 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 567 Bursting Disc Safety Device
GB 14536.1 Household and similar electric automatic controllers Part 1.General requirements
GB 34169-2017 Commercial coal quality and civil bulk coal
GB 34170-2017 Commercial coal quality civil briquette
NB/T 34005-2020 Clean heating stove test method
NB/T 34024-2015 Biomass briquette fuel quality classification
NB/T 34059 Stove Terminology
Specification for installation and acceptance of NY/T 1703 civil water heater heating system
3 Terms and definitions
The following terms and definitions defined by NB/T 34059 apply to this document.
3.1
Clean heating stoves
Burning clean coal and biomass briquette fuels that meet the heating thermal efficiency and air pollutant emission level 2 indicators or more specified in this document
Heating stove.
3.2
Rated heat power
The continuous and stable output of heat per unit time when the stove supplies heat under rated conditions.
3.3
Thermal efficiency
The percentage of the effective use of heat output by the stove to the heat input of the fuel.
3.4
Cooking power
A heating stove with a cooking function, the effective heat absorbed by the pot water per unit time, is also called the cooking fire intensity.
3.5
High-power
The stove runs under rated conditions, also known as fire.
3.6
Low-power
The heat output of the stove is the combustion condition when the rated heat supply is 30% to 40%, also called small fire.
3.7
Clean coal
Products that can reduce pollution emissions and improve utilization efficiency after coal is washed or processed. The clean coal in this document refers to briquette, anthracite,
Wash bituminous coal and blue charcoal.
3.8
Densified biofuel
A solid fuel whose density is increased by compressing biomass raw materials into regular shapes through special equipment.
4 Classification and coding
4.1 Classification
4.1.1 Divided by fuel type.
a) Clean coal stoves;
b) Biomass stove.
4.1.2 According to the feeding and control method, it is divided into.
a) Manually control the stove;
b) Automatic control of stoves.
4.1.3 Divided by function type.
c) Heating stove;
d) Cooking and heating stoves.
4.2 Coding
The product code structure consists of stove type, fuel type, control method, rated heat supply and serial number, as shown in Figure 1.
5 Fuel requirements
5.1 The coal briquette used in stoves should meet the requirements of GB 34170-2017; anthracite, washed bituminous coal and blue charcoal are clean without forming and processing.
Coal should meet the requirements of GB 34169-2017.
5.2 The biomass briquettes used in stoves should meet the requirements of NB/T 34024-2015.
5.3 The external dimensions and type of fuel used should meet the requirements of the operating instructions of the stove.
6 Technical requirements
6.1 Basic requirements
6.1.1 The stove structure should be designed reasonably, with good airtightness, convenient operation, safe and reliable. The appearance should be beautiful, with a smooth surface and no burrs
glitch.
6.1.2 The auxiliary machinery and accessories of the stove shall comply with the corresponding national product standards.
6.1.3 A safety explosion-proof device should be installed on the back of the stove; the burst pressure should not exceed 0.2MPa when using bursting discs, and the inner diameter of the discharge hole should not be less than
25 mm, performance should meet the requirements of GB 567.
6.1.4 For automatic control stoves, electrical installations should be reliably grounded. The controller should meet the requirements of GB 14536.1 and have automatic feeding control
And operation, automatic alarm, main room temperature display and other basic functions.
6.2 Manufacturing requirements
6.2.1 The surface of castings should be smooth and free of defects such as cracks, pores, and sand holes.
6.2.2 Welded parts should be flat and uniform, free of defects such as burn-through, slag inclusion, pores, and incomplete penetration.
6.2.3 The stamping parts shall be free of defects such as cracks, wrinkles, flashes, burrs and so on.
6.2.4 The surface of the sheet metal parts should be smooth and free of defects such as cracks, wrinkles, bumps, etc., and the machined surface should not have defects such as knocks, bumps, scratches, etc.
6.2.5 The riveted parts should be firm, and the rivets should not be loose or skewed.
6.2.6 Furnace tiles (blanks) should be resistant to high temperature and have no defects, and their size, shape and thickness should meet the design requirements.
6.2.7 The outer wall of the furnace shall be treated with rust prevention, and the rust prevention layer shall be waterproof and not easy to fall off.
6.2.8 When cast iron is used for the hot water absorbing jacket, the wall thickness should not be less than 4 mm; when carbon steel is used, the nominal thickness of the steel plate on the heated surface should not be less than 4 mm.
Less than 3 mm, and the nominal thickness of the non-heated surface steel plate shall not be less than 2 mm.
6.2.9 There should be sufficient circulating water cross-sectional area inside the hot water absorbing jacket, and the width of the interlayer of the hot water absorbing jacket (the net between the inner and outer walls of the hot water absorbing jacket)
Distance) should meet the requirements of Table 2.
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