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GB/T 35051-2018: Grade for closed process water circuit in coal preparation plant
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 35051-2018 | English | 109 |
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Grade for closed process water circuit in coal preparation plant
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GB/T 35051-2018
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Basic data | Standard ID | GB/T 35051-2018 (GB/T35051-2018) | | Description (Translated English) | Grade for closed process water circuit in coal preparation plant | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D27 | | Classification of International Standard | 75.160.10 | | Word Count Estimation | 5,595 | | 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 35051-2018: Grade for closed process water circuit 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.
(Coal washing plant closed circuit circulation level)
ICS 75.160.10
D27
National Standards of People's Republic of China
Coal washing plant closed circuit cycle grade
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., China Coal Processing and Utilization Association, North China Institute of Science and Technology, Beijing
Hua Technology Group Co., Ltd.
The main drafters of this standard. Yan Ruimin, Wu Shiyu, Zhang Xianxian, Guo De, Ren Liqin, Zhang Xiumei, Wu Dawei.
Coal washing plant closed circuit cycle grade
1 Scope
This standard specifies the level of the closed circuit cycle of the washing plant.
This standard applies to the entire process of design and production of coal preparation plants.
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 7186 Coal Preparation Terminology
3 Terms and definitions
The following terms and definitions as defined in GB/T 7186 apply to this document.
3.1
Unit supplement water amount make-upwaterperrawton
The coal preparation plant uses a wet separation process to process one ton of raw coal, which is required to be added to the sorting system.
Note. The unit is cubic meters per ton (m3/t).
4 level
4.1 Classification
The closed cycle of washing water in coal preparation plant is divided into three grades. first grade, second grade and third grade.
4.2 Level 1
4.2.1 Realize clean coal preparation, wash water to achieve dynamic balance, and not discharge to the outside of the plant. See Appendix A for the unit water supply index.
4.2.2 The slime is completely recovered by machinery in the workshop.
4.2.3 There is a buffer pool or thickener, and a complete water return system.
4.2.4 The main selection process is that the washing water concentration of the coal preparation plant for heavy medium coal preparation is not more than 0.5g/L, and the main selection process is washing the coal preparation plant of the jigging coal preparation.
The concentration is not more than 5g/L.
4.2.5 The amount of raw coal imported into the project reached more than 70% of the design capacity.
4.3 Level 2
4.3.1 Washing water achieves dynamic balance and does not discharge to the outside of the plant. See Appendix A for the unit water supply index.
4.3.2 The slime is completely recovered by machinery in the workshop.
4.3.3 There is a buffer pool or thickener and a complete backwater system.
4.3.4 The main selection process is that the washing water concentration of the coal preparation plant for heavy medium coal preparation is not more than 1.5g/L, and the main selection process is the washing of the coal preparation plant of the jigging coal preparation.
The concentration is not more than 10g/L.
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