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NB/T 10525-2021: Method of type symbolization for oil shale retorting furnace
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| NB/T 10525-2021 | English | 189 |
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Method of type symbolization for oil shale retorting furnace
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NB/T 10525-2021
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PDF similar to NB/T 10525-2021
Standard similar to NB/T 10525-2021 GB/T 35063 GB/T 33689 GB/T 477 NB/T 10054 Basic data | Standard ID | NB/T 10525-2021 (NB/T10525-2021) | | Description (Translated English) | Method of type symbolization for oil shale retorting furnace | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D28 | | Word Count Estimation | 8,847 | | Issuing agency(ies) | National Energy Administration | NB/T 10525-2021: Method of type symbolization for oil shale retorting furnace---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.
Method of type symbolization for oil shale retorting furnace
ICS 25.180
D28
Energy Industry Standards of the People's Republic of China
Model and compilation method of oil shale dry distillation furnace
Released on 2021-01-07
Implementation on 2021-04-01
Issued by the National Energy Administration
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).
Drafting organizations of this standard. Fushun Mining Group Co., Ltd. Engineering Technology Research Center, Xinjiang Baoming Mining Co., Ltd., Gansu Kiln
Street Oil Shale Comprehensive Utilization Co., Ltd.
The main drafters of this standard. Han Fang, Li Guojun, Bao Mingfu, He Hongmei, Hu Junsheng, Sun Jianxin, Xing Dasong, Cao Fudong, Duo Wanpeng, Xu Hui,
Zhang Xiangyu, Zhao Zhancai, Yao Tuo, Yin Yuan, Zhao Zhimin, Bi Zheng.
Model and compilation method of oil shale dry distillation furnace
1 Scope
This standard specifies the type classification, parameter series and model markings of oil shale retort furnaces. The general technical requirements and tests are given in the appendix.
Methods and inspection rules, marking, packaging, transportation, storage and quality assurance, etc.
This standard applies to retort furnaces for oil shale whose material is oil shale, the system is operated at atmospheric pressure, and the bed is a moving bed, hereinafter referred to as dry
Distillation furnace.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB 6222 Gas Safety Regulations for Industrial Enterprises
GB 50028 Urban Gas Design Code
GB 50195 Code for Design of Producer Gas Station
GB/T 3768 Acoustic sound pressure method is used to determine the sound power level and sound energy level of noise sources using the simple envelope measurement surface above the reflecting surface.
Easy method
GB/T 4879-2016 Anti-rust packaging
JB/T 5000.9 General technical requirements for heavy machinery Part 9.Machining parts
JB/T 5000.12 General technical conditions for heavy machinery Part 12.Painting
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Gasified retort gasifiedretort
A dry distillation furnace where gasification (oxidation-reduction) reaction occurs in the lower part of the furnace body and dry distillation reaction occurs in the upper part of the furnace body. This furnace type is divided into three sections, the upper part is
In the dry distillation section, the middle part is the mixing chamber, and the lower part is the gasification section. Saturated air is blown into the bottom of the gasification section, and the gasification reaction with the oil shale semi-coke generates heat.
The generated gas enters the mixing chamber, mixes with the high-temperature hot gas from the outside, and evenly enters the retort section to provide heat for the retort of the oil shale.
The dry distillation product is led out from the furnace outlet.
3.2
Gas-fired retort furnace gascombustionretort
A dry distillation furnace in which a combustion reaction occurs in the lower part of the furnace body and a dry distillation reaction occurs in the upper part of the furnace body. This type of furnace is divided into three sections, the upper section is the dry distillation section, and the middle section
The first part is the gas combustion section, and the lower part is the gas combustion chamber. The gas combustion chamber is at the bottom of the gas combustion section, and air and gas are mixed and burned in the gas combustion chamber to obtain high-temperature flue gas.
As a heat carrier, it is evenly sent to the dry distillation section to provide heat for the dry distillation of oil shale, and the dry distillation products are exported from the furnace outlet.
3.3
Full cycle retort furnace fulcycleretort
There is no chemical reaction in the lower part of the furnace body, only a physical heat exchange process, and a dry distillation furnace in the upper part of the furnace body. This type of furnace is divided into three
Section, the upper part is the dry distillation section, the middle part is the mixing chamber, and the lower part is the heat exchange section. The bottom of the furnace body enters the cold gas, and it enters the mixing after reverse heat exchange with the shale semi-coke.
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