GB/T 35054-2018 in English
VALIDProcess performance test method and decision rule for coal separating in heavy medium cyclones
- Issued on:2018-05-14
- Implemented on:2018-09-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
| Standard No: | GB/T 35054-2018 |
| Document status: | VALID |
| Title in English: | Process performance test method and decision rule for coal separating in heavy medium cyclones |
| Title in Chinese: | 选煤用重介质旋流器工艺性能试验方法及判定规则 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2018-05-14 |
| Implemented on: | 2018-09-01 |
| ICS Classification: | 73.120-Equipment for processing of minerals |
| Chinese Classification: | D96-Washing equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | heavy medium cyclones
heavy medium cyclones introduction heavy medium cyclone process performance test method coal separating |
| Related Topics: | Cyclone
Judgment experiment GBT35054 GB/T 35054-2018 Method Validation Durability Evaluation Oxidation process judgment Repeatability test judgment |
《GB/T 35054-2018选煤用重介质旋流器工艺性能试验方法及判定规则》由TC42（全国煤炭标准化技术委员会）归口，TC42SC3（全国煤炭标准化技术委员会选煤分会）执行，主管部门为中国煤炭工业协会。
Introduction
1. Background and significance of the standard
GB/T 35054-2018 "Technical performance test methods and judgment rules for heavy medium cyclones for coal preparation" is a national standard proposed by the China Coal Industry Association, which aims to standardize the process performance evaluation indicators, test methods and judgment rules of heavy medium cyclones. This standard is applicable to raw coal heavy medium cyclones and coal slime heavy medium cyclones, providing scientific basis and technical support for coal separation.
2. Comparison of standard frameworks
| Standard dimension | Indicator name | Unit | Judgment rule (raw coal heavy medium cyclone) | Judgment rule (coal slime heavy medium cyclone) |
|---|---|---|---|---|
| Possible deviation | δE | kg/L | ≤0.030 (>0.5mm particle size, actual sorting density <1.90 kg/L) | ≤0.060 (0.5mm~0.25mm particle size) |
| ≤0.040 (>0.5mm particle size, actual sorting density>1.90 kg/L) | ≤0.100 (0.25mm～0.125mm particle size) | |||
| Quantity efficiency | ηe | % | ≥95.0 (medium optional, difficult to select, difficult to select); ≥98.5 (easy to select) | ≥93.0 (medium optional, difficult to select, difficult to select); ≥97.0 (easy to select) |
| Ash content error | Ae | % | ≤0.5 | ≤0.5 |
3. Implementation suggestions
Implementation steps:
- Select the appropriate model and specification of heavy medium cyclone according to the standard requirements.
- Conduct process performance tests according to the methods specified in the standard, including the determination of processing capacity, possible deviation, quantitative efficiency and other indicators.
- Evaluate and judge the test results according to the judgment rules in Table 1.
- Regularly maintain and calibrate the equipment to ensure its long-term stable operation.
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