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GB/T 36167-2018: Method for coal preparation laboratory timed-release flotation analysis
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 36167-2018 | English | 199 |
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Method for coal preparation laboratory timed-release flotation analysis
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GB/T 36167-2018
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Basic data | Standard ID | GB/T 36167-2018 (GB/T36167-2018) | | Description (Translated English) | Method for coal preparation laboratory timed-release flotation analysis | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D27 | | Classification of International Standard | 73.040 | | Word Count Estimation | 10,176 | | Date of Issue | 2018-05-14 | | Date of Implementation | 2018-09-01 | | Regulation (derived from) | National Standards Announcement No. 6 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 36167-2018: Method for coal preparation laboratory timed-release flotation analysis---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Step-by-step flotation test method for coal preparation laboratory)
ICS 73.040
D27
National Standards of People's Republic of China
Coal preparation laboratory step-by-step release flotation test method
Published on.2018-05-14
2018-09-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Coal Industry Association.
This standard is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42).
This standard is drafted by. China Coal Science and Technology Group Tangshan Research Institute Co., Ltd.
Participated in the drafting of this standard. Tiandi (Tangshan) Mining Technology Co., Ltd., Taiyuan University of Technology.
The main drafters of this standard. Shi Huan, Wei Changjie, Liu Chunyan, Li Hongqi, Zhang Peng, Liu Wanchao, Shi Yingxiang, Cheng Yu, Yang Maoqing, Deng Mingrui,
Zhang Jian, Cheng Hongzhi, Dong Xianyu, Gu Shaoxiong.
Coal preparation laboratory step-by-step release flotation test method
1 Scope
This standard stipulates that the coal preparation laboratory shall divide the pulverized coal (mud) into several parts with different ash according to its floatability through one rough selection and multiple selections.
Test method of points.
This standard applies to bituminous coal and anthracite with a particle size of less than 0.5mm.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 477 coal screening test method (GB/T 477-2008, ISO 1953.1994, MOD)
GB/T 4757 pulverized coal (mud) laboratory unit flotation test method
GB/T 30049 coal core coal sample optional test method
GB/T 34164-2017 Evaluation method for flotation process effect of coal preparation plant
3 coal sample
For the production of coal samples, coal seam coal samples, coal core coal samples, coal preparation plant coal powder (mud) step-by-step release flotation test, according to GB/T 477,
GB/T 30049 and GB/T 4757 regulations, shrinking 2kg ~ 3kg coal samples for testing.
4 equipment, appliances and flotation agents
4.1 Flotation machine. in accordance with the provisions of GB/T 4757, the flotation tank volume is 1.5L.
4.2 Micro-syringe. volume 0.25mL, 0.5mL, graduation value 0.01mL.
4.3 Micro-injector. capacity 0.025mL, 0.05mL, graduation value 0.0005mL.
4.4 Collector. n-dodecane (chemical reagent) C12H26.
4.5 Foaming agent. octanol (chemical reagent) C8H17OH.
5 fixed test conditions
5.1 Test water. tap water.
5.2 Slurry temperature. 20 °C ± 10 °C.
5.3 Flotation machine impeller speed. (1800 ± 10) r/min.
5.4 Bubbler speed. 30r/min.
5.5 Mixing time of slurry and collector. 2min.
6 Select test conditions
6.1 If the coal sample is not subjected to the flotation test in accordance with GB/T 4757, the selection conditions for the step-by-step release flotation test are as follows.
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