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GB/T 40503-2021 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 40503-2021: Measuring methods of secondary coal slime content in coal preparation plant
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40503-2021	279	Add to Cart	3 days	Measuring methods of secondary coal slime content in coal preparation plant	Valid

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Basic data

Standard ID: GB/T 40503-2021 (GB/T40503-2021)
Description (Translated English): Measuring methods of secondary coal slime content in coal preparation plant
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D21
Word Count Estimation: 14,178
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40503-2021: Measuring methods of secondary coal slime content 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.
Measuring methods of secondary coal slime content in coal preparation plant ICS 73.040 CCSD21 National Standards of People's Republic of China Method for measuring the amount of secondary slime in coal preparation plant Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China Coal Industry Association. This document is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42). This document was drafted by. Tangshan Guohua Technology International Engineering Co., Ltd., Beijing Guohua Technology Group Co., Ltd., China Coal Processing Corporation Use associations. The main drafters of this document. Ren Liqin, Ding Guangyao, Xu Hongna, Wu Dawei, Wang Peng, Liu Tao, Guo Jianwei, Zhao Lijuan. Method for measuring the amount of secondary slime in coal preparation plant

1 Scope

This document specifies the method summary, equipment, measurement procedures and result calculations for the determination of the amount of secondary slime in the coal preparation plant. This document is applicable to the determination of the amount of secondary slime in a wet coal preparation plant.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 211 Method for determination of total moisture in coal GB/T 474 Coal sample preparation method GB/T 477 Coal screening test method GB/T 478 Coal float-sink test method Technical inspection of MT/T 808 coal preparation plant

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Primarycoalslimecontent The mass percentage of the raw coal with a particle size of less than 0.5mm. 3.2 Secondary coal slime content The secondary slime produced in the whole production process of the coal preparation plant accounts for the mass percentage of the raw coal. 3.3 Total slime content After the coal preparation plant is sorted, the total of all products with a particle size of less than 0.5mm will account for the mass percentage of the raw coal. 3.4 Filtercake bulk density filtercakebulkdensity The mass of the filter cake per unit volume including solid particles, moisture, and pores.

4 Method summary

There are two methods for determining the amount of secondary slime. Method 1.Test the amount of primary slime and the total amount of slime in each production class, the difference between the total amount of slime and the amount of primary slime, that is, the amount of secondary slime. Method 2.According to the monthly comprehensive test report of the coal preparation plant, use the statistical calculation method to obtain the amount of primary slime and the total amount of slime in the coal preparation plant. The difference between the amount of coal and the amount of primary slime is the amount of secondary slime. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 40503-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 40503-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 40503-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 40503-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.