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YS/T 119.4-2008 English PDF

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YS/T 119.4-2008: Determination and calculation of heat balance of special equipments for alumina productaion. Part 4: High pressure digestion system
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YS/T 119.4-2008English349 Add to Cart 3 days [Need to translate] Determination and calculation of heat balance of special equipments for alumina productaion. Part 4: High pressure digestion system   YS/T 119.4-2008

PDF similar to YS/T 119.4-2008


Standard similar to YS/T 119.4-2008

GB 43049   YS/T 851   GB/T 13314   YS/T 119.7   YS/T 119.12   YS/T 119.1   

Basic data

Standard ID YS/T 119.4-2008 (YS/T119.4-2008)
Description (Translated English) Determination and calculation of heat balance of special equipments for alumina productaion. Part 4: High pressure digestion system
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H92
Classification of International Standard 77.180
Word Count Estimation 10,159
Date of Issue 2008-03-12
Date of Implementation 2008-09-01
Older Standard (superseded by this standard) YS/T 119.4-1992
Regulation (derived from) NDRC Notice No. 25 of 2008
Issuing agency(ies) National Development and Reform Commission
Summary This standard specifies the alumina plant high pressure digestion system heat balance measurement and calculation of baseline measurement conditions, measurement items and measurement calculation. This standard applies to the alumina factory direct steam heated high pressure digestion system thermal balance measurement and calculation.

YS/T 119.4-2008: Determination and calculation of heat balance of special equipments for alumina productaion. Part 4: High pressure digestion system


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Determination and calculation of heat balance of special equipments for alumina productaion.Part 4. High pressure digestion system ICS 77.180 H92 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 119.4-1992 Alumina production equipment Determination and calculation of heat balance Part 4. high pressure digestion system Posted 2008-03-12 2008-09-01 implementation National Development and Reform Commission issued

Foreword

The partial replacement of YS/T 119.4-1992 "alumina production equipment for thermal balance determination and calculation method (high pressure digester)." This part is YS/T 119.4-1992 "alumina production equipment for thermal balance determination and calculation method (high pressure digester)," the Amendments. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is responsible for drafting units. China Chalco Henan Branch. Participated in the drafting of this section. Aluminum Corporation of China Shandong Branch, China Chalco Guizhou Branch, in State CHALCO Guangxi branch. The main drafters of this section. Yan Jin steel, Ma Zhiqiang, Zhang Hu, all jade, Li Xiaoyong, Huang Huilin, Liu Jingli, pipe Governor, Mao Yongdian. This part replaces the previous version of the standard published case. --- YS/T 119.4-1992. Alumina production equipment Determination and calculation of heat balance Part 4. high pressure digestion system

1 Scope

This section provides thermal balance determination and calculation of the reference alumina plant high pressure digestion systems, conditions, measurement items and measurement calculation method for the determination. This section applies to an alumina plant steam thermal balance determination and calculation of the direct heating of high pressure digestion system.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2587 General Thermal Energy Balance GB/T 2588 General Equipment Thermal efficiency calculation

3 thermal balance determination and calculation of the reference

Reference temperature using 3.1 0 ℃. 3.2 reference pressure using 101325Pa. Calorific fuel is calculated as 3.3 applications based low (bits) heat. Conversion card and Joule, using 1cal = 4.1868J. 3.4 material balance and thermal balance are 1m3 original pulp for the unit. 3.5 thermal balance determination range includes pulp preheater, a high pressure digester, from all levels of the evaporator, a steam pipe and material handling. 3.6 Thermal Energy Balance shall comply with the provisions of GB/T 2587, the thermal efficiency of computing equipment shall comply with the provisions of GB/T 2588's.

4 device status and process

4.1 Device Status 4.1.1 indicate the age of the equipment, characteristics and existing problems, or put into operation after the commissioning date of the last overhaul. 4.1.2 Production and Equipment Overview Table. Overview fill in the average production of the month in the first three months of testing, content, and reporting formats are shown in Table 1. Table 1 Equipment and production profile Make. Workshop. group number Item Unit Value or content model specification. Slurry preheater (diameter × height) mm × mm High pressure digester (diameter × height) mm × mm Since the evaporator (diameter × height) mm × mm Effective volume. m3 slurry preheater High pressure digester m3 M3 from the evaporator Capacity m3/h Steam species Steam consumption t/h Heat consumption kJ/m3

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