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GB/T 35052-2018: Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 35052-2018 | English | 89 |
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Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant
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GB/T 35052-2018
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Basic data | Standard ID | GB/T 35052-2018 (GB/T35052-2018) | | Description (Translated English) | Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D27 | | Classification of International Standard | 73.040 | | Word Count Estimation | 4,443 | | 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 35052-2018: Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant
---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.
(Determination method of magnetic substance content in heavy medium cyclone suspension in coal preparation plant)
ICS 73.040
D27
National Standards of People's Republic of China
Magnetic material in suspension of heavy medium cyclone in coal preparation plant
Method for determining the content
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 was drafted. Tangshan Guohua Technology International Engineering Co., Ltd., Beijing Guohua Technology Group Co., Ltd.
The main drafters of this standard. Zhao Shuyan, Han Wansong, Yu Yidong, Yan Chaofu, Wang Haiyan, Li Ruihe.
Magnetic material in suspension of heavy medium cyclone in coal preparation plant
Method for determining the content
1 Scope
This standard specifies the method for determining the content of magnetic substances in the suspension of heavy medium cyclone in coal preparation plant.
This standard applies to the determination of the content of magnetic substances in the heavy medium suspension of the coal preparation plant.
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 477-2008 Coal screening test method
GB/T 18711-2002 Test method for magnetite powder for coal preparation
MT/T 808 coal preparation plant technical inspection
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Magnetic content
In the heavy medium suspension of the coal preparation plant, the mass of the magnetic substance in the solid whose particle size is smaller than the lower limit of the measurement of the heavy medium cyclone accounts for the solid mass.
Percentage, expressed in %.
4 instruments, equipment
4.1 Electronic balance. The maximum weighing is 1000g, and the sensitivity is 0.01g.
4.2 Air drying oven. with automatic temperature control device and blower, 0 °C ~ 300 °C, temperature adjustable.
4.3 Test sieve. Standard sieve, sieve size is 1mm, 0.5mm, 0.25mm, 0.125mm, 0.1mm.
4.4 Magnetic content analyzer. It should meet the requirements of 7.2 of GB/T 18711-2002.
5 sampling and sample preparation
5.1 Sampling
5.1.1 The sample shall be taken during normal production at the coal preparation plant.
5.1.2 The heavy medium suspension is taken at its corresponding sampling point as specified in MT/T 808.
5.1.3 Take the 1L~2L subsample at the same time interval with the normal production time of not less than 2h as the limit
The volume of the sample is greater than 10L.
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