GB 18071.6-2012Health protection zone for basic chemistry industry -- Part 6: Sodium sulphuret industry (English PDF)

Foreword

This section 4.2,4.3,4.4 are recommended, the rest are mandatory.

GB 18071 "basic chemical raw materials manufacturing industry from the Health Protection" is divided into eight sections.

--- Part 1. caustic soda manufacturing;

--- Part 2. manufacturing soda ash and sodium bicarbonate;

--- Part 3. sulfuric acid manufacturing;

--- Part 4. nitric acid manufacturing;

--- Part 5. Manufacturing hydrochloride;

--- Part 6. Sodium sulfide manufacturing;

--- Part 7. yellow phosphorus industry;

--- Part 8. hydrofluoric acid manufacturing.

This is Part 6 GB 18071's.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This Part replaces GB 18069-2000 "sodium sulfide plant health protection from the standards." this section of the main changes compared to GB 18069-2000 are as follows.

--- Adjust the standard name, and according to GB/T 1.1-2009 "Standardization Guide Part 1. Standard structure and drafting" Adjust the structure of the standard;

--- Amendments to the definition of health protection distance, increasing the sensitive area, complex terrain two terms and definitions;

--- Revised the Health protection zone standard limits, established a production scale sub-file;

--- Increased requirements for greening.

This part of the People's Republic of China Ministry of Health and focal points.

This section is responsible for drafting units. China Center for Disease Control Environmental Health and Related Product Safety, Sichuan Provincial Disease Prevention and Control center.

Participated in the drafting of this section. Ya'an Municipal Center for Disease Control and Prevention, Centers for Disease Control and Prevention Mingshan.

1 Scope

GB 18071 of the provisions of this part of the health protection distance required between manufacturers and sodium sulfide sensitive areas.

This section applies to areas located in the plains of sodium sulfide manufacturers new construction, renovation, expansion project. Sodium sulfide existing manufacturing companies can participate According to the Executive.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 3840-1991 development of local air pollutant emission standards of technical methods

3 Terms and Definitions

The following terms and definitions apply to this document.

Health protection healthprotectionzone Factors adversely department (workshop or workplace) to the sensitive border zone boundary minimum distance.

Sensitive area Air pollution sensitive areas, including residential areas, schools and hospitals.

Complex terrain complicatedlandform Mountains, hills, coastal.

4 Index requirements

4.1 sodium sulfide manufacturers Health protection limits in Table 1.

Table 1 sodium sulfide manufacturing enterprises health protection zone limit

Production scale

kt/a

Location near five-year average wind speed m/s Health protection 4800

Table 1 (continued)

Production scale

kt/a

Location near five-year average wind speed m/s Health protection >=50 4900

4.2 Determination of sodium sulfide manufacturing companies located in the CHP from the complex terrain conditions, the reference to GB/T 3840-1991 in 7.6 regulations.

Location 4.3 sodium sulfide manufacturing enterprises and sensitive areas, should consider the impact of wind frequency and topography and other factors, minimize its large sensitive area Air pollution environment.

Enterprise 4.4 within the health protection distance range, densely planted trees plants green belt (width less than 10m), and according to health 90% protection from the standard limit of execution. Attention to the selection of species resistant characteristics of pollutants or adsorption characteristics.