GB/T 33937-2017Hard stone impact crusher-Energy consumption index (English PDF)

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions of energy consumption indicators for hard rock impact crushers, technical requirements, test methods, energy consumption assessment and energy consumption level annotation.

This standard is applicable to the evaluation of energy consumption index of hard rock impact crusher (hereinafter referred to as "crusher"). Single rotor impact crusher can also be Refer to use.

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 7679.5 Mining machinery - Part 5: Crushing and grinding equipment

JB/T 6993 single rotor impact crusher

JB/T 10246 Hard Rock Impact Crusher

3 Terms and definitions

GB/T 7679.5 Definitions and the following terms and definitions apply to this document.

4 Technical requirements

4.1 crusher design, manufacture and quality should be consistent with JB/T 6993, JB/T 10246 requirements.

4.2 crusher in the life cycle, in the protection of safety and performance under the premise of the design should reduce energy consumption.

4.3 Crusher is divided into two cavity type and three cavity type crusher. Under the standard operating conditions, the two-chamber crusher at all levels of energy consumption index value is not Should exceed the provisions of Table 1, three-chamber crusher level of energy consumption indicators should not exceed the provisions of Table 2.