GB/T 32707-2016 in English

VALID

Safety requirements for laboratory instrument and equipment-Oxygen bomb calorimeter

Issued on:2016-06-14
Implemented on:2017-01-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $810.00
$786.00

Standard No:	GB/T 32707-2016
Document status:	VALID
Title in English:	Safety requirements for laboratory instrument and equipment-Oxygen bomb calorimeter
Title in Chinese:	实验室仪器及设备安全规范氧弹式热量计
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2016-06-14
Implemented on:	2017-01-01
ICS Classification:	31.040.10-Fixed resistors
Chinese Classification:	A54-Thermal Measurement
Professional Classification:	GB-National Standard
Related Keywords:	key safety features safety dimension ordinary oxygen bomb calorimeter intelligent oxygen bomb oxygen bomb calorimeter safety standard oxygen bomb pressure test oxygen bomb equipment-oxygen bomb calorimeter introduction core requirements
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《GB/T 32707-2016实验室仪器及设备安全规范氧弹式热量计》由TC526（全国实验室仪器及设备标准化技术委员会）归口，主管部门为中国机械工业联合会。

Introduction

Core requirements of oxygen bomb calorimeter safety standard

This standard applies to oxygen bomb calorimeters used to measure the calorific value of solid and liquid combustibles such as coal, coke, and petroleum, and specifies the safety technical requirements under working pressure of 2.8MPa~3.2MPa.

Comparison of key safety features

Safety dimension	Ordinary oxygen bomb calorimeter	Intelligent oxygen bomb calorimeter
Explosion-proof structure	Mechanical pressure relief device	Electrical pressure monitoring + automatic pressure relief
Electrical protection	Basic insulation	Double insulation + grounding protection
Data security	Manual recording	Fault self-diagnosis system

Key data of oxygen bomb pressure test

According to clause 11.4 of the standard, the oxygen bomb needs to pass a 20MPa water pressure test, with the following requirements:

Pressure drop within 10 minutes ≤ 0.1MPa
Deformation < 0.13mm
No reverse leakage from the nozzle

Key technologies for electric shock prevention

Clause 6.3 stipulates the limit of accessible parts:

Normal conditions: ≤33V AC/70V DC
Fault conditions: ≤55V AC/140V DC
Instantaneous discharge: ≤45μC charge

Key points of fire protection design

Clause 9.3 requires the application of flame retardant materials:

Shell material FV-1 grade (GB/T 11020)
Bottom opening ≤6mm (metal shell)
Vertical spacing of baffles ≥25mm

Implementation suggestions

Confirm that the material of the oxygen bomb is 1Cr18Ni9Ti or other pressure-resistant alloy when purchasing
Perform airtightness inspection every month (Appendix A routine test)
Establish a special management system for pressure vessels
Operators must pass special training in GB/T 32707

More samples: QC/T 942-2021 GB 50021-2001(2009) JJG 21-2008

Sample only — not a preview of GB/T 32707-2016

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