|
US$269.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 10761-2021: Technical requirement of fully mechanized mining with solid backfilling and caving in coal mines
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 10761-2021 | English | 269 |
Add to Cart
|
3 days [Need to translate]
|
Technical requirement of fully mechanized mining with solid backfilling and caving in coal mines
| Valid |
NB/T 10761-2021
|
PDF similar to NB/T 10761-2021
Basic data | Standard ID | NB/T 10761-2021 (NB/T10761-2021) | | Description (Translated English) | Technical requirement of fully mechanized mining with solid backfilling and caving in coal mines | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D15 | | Word Count Estimation | 11,167 | | Issuing agency(ies) | National Energy Administration | NB/T 10761-2021: Technical requirement of fully mechanized mining with solid backfilling and caving in coal mines
---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.
Technical requirement of fully mechanized mining with solid backfilling and caving in coal mines
ICS 73.020
CCSD15
People's Republic of China Energy Industry Standard
Synergy of comprehensive mechanized solid filling and caving in coal mines
Technical requirements of coal mining method
2022-02-16 Implementation
Released by the National Energy Administration
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"
drafted.
This standard is proposed by the Science and Technology Development Department of China Coal Industry Association.
This standard is under the jurisdiction of the Science and Technology Development Department of China Coal Industry Association.
This standard was drafted by. China University of Mining and Technology, China Pingmei Shenma Energy and Chemical Group Co., Ltd., Pingdingshan Tianan Coal Industry Co., Ltd.
Co., Ltd., Xishan Coal and Electricity (Group) Co., Ltd., Yanzhou Coal Industry Co., Ltd., National Key Experiment of Coal Resources and Safety Mining
Laboratory, State Key Laboratory of Coking Coal Resources Development and Comprehensive Utilization, National Engineering Laboratory for Coal Filling and Mining, Shandong Energy Xinwen Mining Group
Co., Ltd., China National Coal Industry Association Productivity Promotion Center.
The main drafters of this standard. Zhang Jianguo, Zhang Jixiong, Zhang Qiang, Pan Shuqi, He Zhihong, Lu Youchang, Jufeng, Guo Jianwei, Yu Zhenzi, Zhou Nan,
Zhou Weidong, Li Meng, Zhang Tingwei, Sun Qiang, Duan Shoude, Huang Peng, Jiao Zhenying, Li Song, Wei Sixiang, Huang Yanli, Zhao Wanli, Yan Hao, Ji Liuting, Li Guiyun,
Zhao Xianliang.
Synergy of comprehensive mechanized solid filling and caving in coal mines
Technical requirements of coal mining method
1 Scope
This standard specifies the applicable conditions, mining and filling system layout, equipment composition,
Control and monitoring of mining process and filling effect.
This standard is applicable to mines that not only need to ensure the production capacity of the working face, but also need large-scale treatment of gangue.
Cooperative mining face.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB 25974.1-2010 Hydraulic supports for coal mines - Part 1.General technical conditions
MT/T 105-2006 General technical conditions for scraper conveyors
MT820-2006 Technical conditions of belt conveyor for coal mine
NB/T 50120-2014 Technical conditions for solid filling hydraulic supports for coal mines
NB/T 51002-2012 Comprehensive mechanized solid filling coal mining method
NB/T 51021-2014 Technical conditions of crawler walking solid filling material belt loader
NB/T 51024-2014 Technical conditions of porous bottom discharge scraper conveyor for solid filling materials
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
In the same fully mechanized working face, the mining method of roof cooperating management by filling method and caving method is adopted along the inclined direction of the working face.
3.2
Filling segment backfilingarea
The solid filling method is used to manage the area of the roof in the working face of the solid filling method and the caving method.
3.3
cavingarea
The caving method is used to manage the area of the roof in the co-mining working face of the solid filling method and the caving method.
3.4
transition area transitionarea
It is a part of the filling section (3.2), and the hydraulic support for filling coal mining is mainly arranged in the transition section of the working face to realize the mining between the filling section and the caving section.
area of smooth transition of pressure.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of NB/T 10761-2021_English be delivered?Answer: Upon your order, we will start to translate NB/T 10761-2021_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 NB/T 10761-2021_English with my colleagues?Answer: Yes. The purchased PDF of NB/T 10761-2021_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+ countriesQuestion 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 [email protected]. 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.
|