GB/T 12529.1-2008Graphic symbols and codes for grain and oil industry - Part 1: General items (English PDF)

Foreword

GB/T 12529 "oil industry - Graphic symbols and codes" is divided into five parts.

--- Part 1. Common part;

--- Part 2. Milling Industry;

--- Part 3. milling industry;

--- Part 4. Oil Industry;

--- Part 5. Storage industry. This part of GB/T 12529 Part 1. This part is GB/T 12529.1-1990 "oil industry - Graphic symbols and general part" of the amendment. This portion of the GB/T 12529.1-1990 main technical differences are as follows:

--- Modify the early Qing cylindrical screen, automatic butterfly valve, etc. 13;

--- Increased double cylinder First ballast cleaning, grading machines 24. This section instead of the date of implementation of the GB/T 12529.1-1990. This part is proposed by the National Food Authority. This part of the National Grain and Oil Standardization Technical Committee centralized. This section is responsible for drafting. National Grain Reserve Wuhan Science Research Institute. The main drafters of this section. Chende Bing, Xie Jian, Liu, Yang Xihua, Li Zhenxing. This part of the standard replaces the previous editions are.

--- GB/T 12529.1-1990. Grain and oil industry Graphic symbols and codes Part 1. General section

1 Scope

GB/T 12529.1-2008 is the Chinese national standard on graphic symbols and codes for grain and oil industry - part 1: general items, in the field of food technology. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 4 November 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 20 January 2009. Classification: ICS 67.040, CCS X04. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This section GB/T 12529 specifies the process flow diagram of the professional grain and oil industry in general graphical symbols and codes. This section applies to grain and oil industry production, research, design, education and other related fields.

2 Normative references

The following documents contain provisions which, through reference

GB/T 12529 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 4457.4 Mechanical drawings Fatou line

GB/T 8874 Oils Universal technology, equipment terminology

3 General Provisions

3.1 Graphical symbols - Part specified in the application process flow diagram, can be appropriately reduced or enlarged according to actual needs.

3.2 part of a predetermined pattern to allow reverse draw.

3.3 graphical symbols plot, according to GB/T 4457.4 execution. Terminology

3.4 part by GB/T 8874 execution.

3.5 part of the oil industry not provided universal symbol code, according to relevant national standards or industry standards; national standards and industry When the standard is not specified, it can follow the simple principle reflect the main features of the physical, draw on their own. Food industry in accordance with section

3.6 of the professional category assigned to each of the corresponding professional code, alphabet code with a professional name to reflect the characteristics of It is shown, in uppercase letters. Professional code-named. General T; Milling M; milling F; grease Y; warehousing C. Category

4 Classified as follows:

a) Cleanup. T101 ~ T126;

b) mechanical conveyor. T201 ~ T215;

c) pneumatic conveying, ventilation and dust. T301 ~ T329;

d) Measurement. T401 ~ T408;

e) feed ingredients. T501 ~ T509;

f) Packing. T601 ~ T604;

g) receiving storage. T701 ~ T703;