GB/T 37170-2018 English PDF (GB/T37170-2018)

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GB/T 37170-2018: Technical code for safety of stationary gas engine
GB/T 37170-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.020
J 91
Technical code for safety of stationary gas engine
ISSUED ON. DECEMBER 28, 2018
IMPLEMENTED ON. JULY 01, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 4
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 6
4 A list of hazards ... 7
5 Safety requirements and/or measures ... 7
5.1 Starting system ... 7
5.2 Shutdown system ... 8
5.3 Control device ... 9
5.4 Monitoring instrument ... 10
5.5 Alarm device ... 10
5.6 Protective design ... 10
5.7 Protective measures ... 10
5.8 Lighting ... 11
5.9 Fire protection ... 11
5.10 Explosion proof ... 12
5.11 Static proof ... 12
5.12 Ignition system ... 13
5.13 Pressurization system ... 13
5.14 Hose and piping ... 13
5.15 Electrical equipment and electrical wiring ... 14
5.16 Cooling system... 14
5.17 Handling ... 14
6 Use and maintenance ... 15
6.1 General ... 15
6.2 Workplace ... 15
6.3 Use and maintenance instructions ... 15
6.4 Signs, symbols, text warnings ... 15
Annex A (Normative) A list of dangers ... 16
Technical code for safety of stationary gas engine
1 Scope
This Standard specifies the safety requirements and protective measures for
stationary gas engines and their auxiliary equipment.
This Standard applies to stationary gas engines with power greater than or
equal to 500 kW (hereinafter referred to as “the engine”).
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 1883.1 Reciprocating internal combustion engines - Vocabulary - Part
1. Terms for engine design and operation
GB/T 1883.2 Reciprocating internal combustion engines - Vocabulary - Part
2. Terms for engine maintenance
GB 3836.1-2010 Explosive atmospheres - Part 1. Equipment - General
requirements
GB/T 4025 Basic and safety principles for man-machine interface, marking
and identification - Coding principles for indicators and actuators
GB/T 4365 Electrotechnical terminology - Electromagnetic compatibility
GB/T 4556 Reciprocating internal combustion engines - Fire protection
GB/T 9239.1 Mechanical vibration - Balance quality requirements for rotors
in a constant (rigid) state - Part 1. Specification and verification of balance
tolerances
GB/T 10715 Belt drives - V-ribbed belts, joined V-belts and V-belts including
wide section belts and hexagonal belts - Electrical conductivity of antistatic
belts. Characteristics and methods of test
GB/T 15706 Safety of machinery - General principles for design - Risk
assessment and risk reduction
GB/T 16754 Safety of machinery - Emergency stop - Principles for design
GB/T 17300 Earth-moving machinery - Access systems
GB/T 17804 Reciprocating internal combustion engines - Graphical symbols
GB/T 18209.1 Electrical safety of machinery - Indication, marking and
actuation - Part 1. Requirements for visual, acoustic and tactile signals
GB/T 18209.2 Electrical safety of machinery - Indication, marking and
actuation - Part 2. Requirements for marking
GB/T 18717.2 Ergonomic design for the safety of machinery - Part 2.
Principles for determining the dimensions required for openings for access
of parts of the body into machinery
GB/T 20651.1-2018 Reciprocating internal combustion engines - Safety -
Part 1. Compression ignition engines
GB 20800.1-2006 General rules of explosion-protect techniques of
reciprocating internal combustion engines for explosive atmospheres - Part
1. Group II engines for use in flammable gas and vapor atmospheres
GB 20800.2 General rules of explosion-protect techniques of reciprocating
internal combustion engines for explosive atmospheres - Part 2. Group II
engines for use in flammable dust atmospheres
GB 20800.3 General rules of explosion-protect techniques of reciprocating
internal combustion engines for explosive atmospheres - Part 3. Group I
engines for use in underground workings susceptible to firedamp and/or
combustible dust
GB/T 23821 Safety of machinery - Safety distances to prevent hazard zones
being reached by upper and lower limbs
GB 50058-2014 Code for design of electrical installations in explosive
atmospheres
AQ 3009-2007 Safety criterion for electrical apparatus in hazardous areas
EN 983 Safety of machinery - Safety requirements for fluid power systems
and their components - Pneumatics
3 Terms and definitions
For the purpose of this document, the terms and definitions defined in GB/T
1883.1, GB/T 1883.2 and GB/T 4365 and the following apply.
5.4 Monitoring instrument
5.4.1 The monitoring instrument shall be marked by a symbol or by text in
accordance with the provisions of GB/T 17804.
5.4.2 The monitoring instrument shall be easily visible to the operator. Lighting
equipment shall be provided when it requires to work at night or indoors.
5.4.3 The monitoring instrument shall indicate with colors in accordance with
the provisions of GB/T 4025. It is recommended to indicate the failure or
dangerous state in red and the normal working condition in green.
5.5 Alarm device
5.5.1 The alarm device, signal, sign and color shall comply with the provisions
of GB/T 18209.1. If there is an emergency alarm system, a red alarm light
and/or audible alarm device capable of displaying its operation shall be
provided.
5.5.2 The alarm device shall be provided with an inspection position to indicate
whether its function is normal, and it shall be capable of being inspected when
the engine is running or stopped.
5.6 Protective design
5.6.1 The moving parts of the engine shall have good balance performance.
The unevenness of the crankshaft and flywheel components shall be in
accordance with the provisions of technical documentation or GB/T 9239.1.
5.6.2 There shall be sufficient space between the guard and the protected part
to avoid friction.
5.6.3 The installation of the guard shall be firm and reliable, and shall be strong
enough for guards that may be subjected to trampling or falling.
5.6.4 The guards used to contain the projectile parts shall be capable of
preventing the passage of the corresponding size of the flying block.
5.7 Protective measures
5.7.1 Mechanical hazard protection
5.7.1.1 The operator shall be protected within the safety distance specified in
GB/T 23821. The size of the safety distance depends on the installation of the
engine.
5.7.1.2 When the engine is running, the exposed rotating parts and the
transmission mechanism that may cause danger to the operator shall be
square meter of floor space or ventilates at least 6 times within 1 h, it is
considered to be a good ventilation place. This ventilation rate can be
achieved by natural or mechanical ventilation.
5.9.2 The engine exhaust pipe shall be fitted with a spark arrester or other
device with the function of a spark arrester. The corrosion resistance and wear
resistance of the structural materials of the spark arrester shall be equivalent to
or better than that of the 07Cr19Ni11Ti stainless steel.
5.10 Explosion proof
5.10.1 For engines where gaseous fuel enters the cylinder thro...