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GB/T 16508.1-2022 English PDF (GBT16508.1-2022)

GB/T 16508.1-2022 English PDF (GBT16508.1-2022)

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GB/T 16508.1-2022: Shell boilers - Part 1: General requirements

This document specifies the general technical requirements for shell boiler range, boiler rated parameters, design and calculation, manufacturing and inspection, installation and operation, performance test, energy saving and environmental protection.
GB/T 16508.1-2022
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 27.060.30
CCS J 98
Replacing GB/T 16508.1-2013
Shell boilers - Part 1: General requirements
ISSUED ON: MARCH 09, 2022
IMPLEMENTED ON: OCTOBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 6
1 Scope ... 8
2 Normative references ... 8
3 Terms, definitions and symbols ... 10
4 Responsibility ... 12
5 Boiler range and boiler typical structure type ... 13
6 Rated parameters of boilers ... 15
7 Design and calculation ... 15
8 Manufacturing and inspection ... 18
9 Installation and operation ... 18
10 Performance test ... 18
11 Energy saving and environmental protection ... 19
Annex A (informative) Typical structural type of boiler ... 20
Bibliography ... 27
Shell boilers - Part 1: General requirements
1 Scope
1.1 This document specifies the general technical requirements for shell boiler range, boiler rated parameters, design and calculation, manufacturing and inspection, installation and operation, performance test, energy saving and environmental protection.
1.2 This document applies to the following range of stationary shell boilers: a) Steam boilers with rated steam pressure greater than or equal to 0.1 MPa; b) Hot water boilers with rated outlet pressure greater than or equal to 0.1 MPa and rated thermal power greater than or equal to 0.1 MW.
1.3 For the once-through boilers and waste heat boilers containing shell boiler elements, it shall be implemented according to this document.
1.4 This document does not apply to the following devices:
a) Portable shell boilers;
b) Cooling devices to meet the cooling needs of equipment and process flow. 1.5 For stationary shell boilers with rated pressure less than 0.1 MPa, refer to this document.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 753, Steam condition series for utility boilers
GB/T 1921, Parameters for industrial steam boilers
GB/T 2900.48, Electrotechnical terminology of boilers
GB 3095, Ambient air quality standards
GB 3096, Environmental quality standard for noise
JB/T 10325, Specification for boiler deaerator
JB/T 10393, Specification for electric boilers
NB/T 47034, Technical conditions of industrial boilers
NB/T 47040, Man-hole and hand-hole of boiler set
NB/T 47049, Technical specification for the manufacture of tubular air preheaters NB/T 47051, Technical specification for industrial boiler control devices NB/T 47062, Biomass molded fuel fired boilers
NB/T 47066, Thermal performance test method for condensing boiler
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 2900.48 as well as the followings apply.
3.1.1 shell boiler
A boiler that the evaporation heating surface is mainly arranged in the boiler shell, the burning flame or flue gas is inside the tube and the working medium flows outside the tube.
3.1.2 boiler proper
A whole that is composed of shell, steam-water separator, heating surface, header and its connecting piping, furnace, combustion equipment, air preheater, furnace wall, smoke (air) duct, frame (including platform and escalator), etc.
3.1.3 pressure element
An element subjected to internal or external working medium pressure.
NOTE: The pressure element is the basic unit that constitutes the pressure component of the boiler. 3.1.4 pressure component
A relatively independent component composed of several pressure elements in a boiler system.
NOTE: Pressure components include boiler shell, furnace liner, combustion chamber, header, water cooling wall, coal economizer, energy saver, condenser and superheater, etc. 3.1.5 non-pressure element
An element that does not bear the pressure of the working medium.
NOTE: Non-pressure elements include the ones bearing load and the ones not bearing load. Non- pressure elements bearing loads include braces, hangers, fasteners, etc. 3.1.6 safety appurtenance
Components or devices used to protect boiler equipment and prevent boilers from operating beyond design conditions.
3.1.7 instrument
A device used alone or in combination with other equipment for display or measurement. 3.1.8 rated pressure
The working fluid pressure at the outlet of the boiler that shall be guaranteed during long-term continuous operation within the specified water supply pressure and load range, that is, the rated working pressure or rated outlet pressure marked on the boiler nameplate.
3.1.9 rated temperature
The working fluid temperature at the outlet of the boiler that shall be guaranteed for long-term continuous operation under the specified design conditions, that is, the rated steam temperature or rated outlet water temperature marked on the boiler nameplate. 3.2 Symbols
The following symbols apply to this document.
Rm - the lower limit of material's tensile strength at the standard room temperature, in megapascals (MPa);
ReL(Rp0.2) - the material's yield strength at the standard room temperature, in megapascals (MPa);
- the material's yield strength at the design temperature, in megapascals (MPa);
- the material's durable strength (105 h) at the design temperature, in megapascals (MPa);
- the material's creep strength (1??10-5%/h) at the design temperature, in 7.2.1 The design and performance of boiler products meet the requirements of the following corresponding standards:
a) Industrial boilers shall meet the requirements of NB/T 47034.
b) Shell waste heat boilers shall meet the requirements of GB/T 28056.
c) Biomass briquette fuel boilers shall meet the requirements of NB/T 47062. d) Electric heating boilers shall meet the requirements of JB/T 10393.
e) Small boilers and atmospheric hot water boilers shall meet the requirements of JB/T 7985.
7.2.2 Boiler structure design and strength calculation are in accordance with the following requirements.
a) The boiler structure shall be determined according to the rated parameters of the boiler, fuel characteristics and combustion methods.
b) The structural design and strength calculation method of boiler pressure elements shall meet the requirements of GB/T 16508.3. When the boiler structure is a combined design of the boiler shell and water pipes, the elements (components) in the form of water pipes can also be designed and calculated according to GB/T 16507.3 and GB/T 16507.4.
c) The strength calculation of boiler lugs and suspenders shall meet the requirements of JB/T 6735.
d) The design of boiler steel structure (including platform and escalator) shall meet the requirements of GB/T 22395 and GB 4053.
7.2.3 The setting and selection of boiler safety appurtenance and instruments shall meet the requirements of GB/T 16508.5.
7.2.4 The design or selection of combustion equipment shall meet the requirements of GB/T 16508.6.
7.2.5 Auxiliary equipment (auxiliary machine) and appurtenance for boilers shall meet the following requirements.
a) The boiler control device shall meet the requirements of NB/T 47051. b) The air volume and air pressure of the blower equipped for the boiler, the flow rate and head of the water pump shall meet the needs of the boiler to operate stably under the rated output. There shall be sufficient adjustment range and adjustment flexibility.
c) The water treatment equipment equipped for the boiler shall meet the requirements of JB/T 2932. The deaerator shall meet the requirements of JB/T 10325. When the boiler has special requirements for water quality, it shall also meet the requirements of the boiler instruction manual. The output of water treatment equipment shall meet the maximum output requirements of the boiler system. d) The flue gas treatment and purification equipment (dust removal, desulfurization, denitration, etc.) equipped for the boiler shall make the air pollutant emission limit of the boiler system comply with GB 13271 and the environmental
protection requirements of the area where the boiler is used.
e) Boiler soot blowers and thermoprobes shall meet the requirements of JB/T 8501. 7.2.6 Other parts of the boiler shall meet the following requirements:
a) The device inside the boiler shall meet the requirements of JB/T 9618. b) The square cast iron economizer for the boiler shall meet the requirements of JB/T 2192.
c) The boiler tube air preheater shall meet the requirements of NB/T 47049. d) The boiler manhole and hand hole devices shall meet the requirements of NB/T 47040.
8 Manufacturing and inspection
8.1 Boiler manufacturer shall formulate a perfect quality plan. The content shall at least include the manufacturing and assembly process, inspection and test items, and qualification indicators of the main pressure elements (pressure component) of the boiler.
8.2 Boiler manufacturing and inspection shall meet the requirements of GB/T 16508.4. 9 Installation and operation
9.1 The site installation, installation process inspection, commissioning and acceptance of the boiler shall meet the requirements of GB/T 16508.7.
9.2 The operation of the boiler shall meet the requirements of GB/T 16508.8. 10 Performance test
10.1 The thermal performance test method of the boiler shall be carried out according to the requirements of GB/T 10180. For condensing boilers, it shall be carried out

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