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Agricultural machinery - Equipment for sowing - Minimization of the environmental effects of fan exhaust from pneumatic systems
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GB/T 41125-2021
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Basic data
| Standard ID | GB/T 41125-2021 (GB/T41125-2021) |
| Description (Translated English) | Agricultural machinery - Equipment for sowing - Minimization of the environmental effects of fan exhaust from pneumatic systems |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B91 |
| Word Count Estimation | 9,995 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 41125-2021: Agricultural machinery - Equipment for sowing - Minimization of the environmental effects of fan exhaust from pneumatic systems
---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.
Agricultural machinery -- Equipment for sowing -- Minimization of the environmental effects of fan exhaust from pneumatic systems
ICS 65:060:30
CCSB91
National Standards of People's Republic of China
agricultural machinery planter
Reduce the environmental impact of the exhaust air of the pneumatic system fans
(ISO 17962:2015, IDT)
Published on 2021-12-31
2022-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization 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 document is equivalent to ISO 17962:2015 "Agricultural machinery seeders reduce the environmental impact of the exhaust of pneumatic system fans":
This document adds a chapter "Normative References":
Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201):
This document is mainly drafted by: China Academy of Agricultural Mechanization, National Agricultural Machinery Quality Supervision and Inspection Center, Yibang, Heilongjiang Province
Machinery Manufacturing Co:, Ltd:, Mudanjiang Institute of Agricultural Mechanization, Heilongjiang Agricultural Machinery Engineering Science Research Institute:
The main drafters of this document: Lu Shusheng, Jin Chen, Liu Tongfeng, Yang Zhaowen, Sun Tao, Wang Wei:
Introduction
This document was developed to study the minimization of the effects of seed coating dust during planting in planters equipped with pneumatic systems:
method: This coating dust may emit dust during the seeding process of the pneumatic system of the planter:
agricultural machinery planter
Reduce the environmental impact of the exhaust air of the pneumatic system fans
1 Scope
This document specifies methods for reducing the environmental impact of exhaust air from pneumatic seeding systems used for sowing coated seeds:
This document applies to pneumatic seeding systems where the "dust" in the seed coating is mixed with the intake air of the fan and discharged into the atmosphere:
This document does not apply to:
--- the gas delivery system between the central gas storage tank and the remote instrument;
---The instrument is located in the central gas storage tank and the gas is discharged through the ground opening device:
This document does not apply to pneumatic equipment for seeding produced prior to publication:
Note: Applicable to countries or regions with stricter environmental protection requirements:
2 Normative references
There are no normative references in this document:
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
direct drift (discharge) directdrift
The mass of the plant protection product that is expelled and deposited within a defined distance of the sowing area by the action of the air flow during the sowing process:
3:2
fanexhaustzone
Cylindrical boundary (static) used to define the exhaust of a pneumatic system fan:
3:3
Pneumatic (vacuum) seeding system vacuum-stylesowingsystem
Pneumatic system for metering seeds on planters using negative air pressure:
3:4
Zero distance zeroposition
The distance from the sowing area (the sowing area with half the row width from the last row):
NOTE: See Figure 2:
4 Requirements
4:1 General
Use any one of the methods in 4:2 and 4:3 to reduce the environmental impact of the exhaust air of the pneumatic system fan:
One approach is to apply design principles to reduce the effect of fan exhaust, or experimental methods can be used to verify consistency:
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