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GB/T 32250.3-2022: Agricultural and forestry machinery - Inspection of sprayers in use - Part 3: Sprayers for bush and tree crops
Status: Valid GB/T 32250.3: Evolution and historical versions
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| GB/T 32250.3-2022 | English | 314 |
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Agricultural and forestry machinery - Inspection of sprayers in use - Part 3: Sprayers for bush and tree crops
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GB/T 32250.3-2022
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| GB/T 32250.3-2015 | English | 599 |
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Inspection of sprayers in use -- Part 3: Air-assisted sprayers for bush and tree crops
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GB/T 32250.3-2015
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Basic data | Standard ID | GB/T 32250.3-2022 (GB/T32250.3-2022) | | Description (Translated English) | Agricultural and forestry machinery - Inspection of sprayers in use - Part 3: Sprayers for bush and tree crops | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B91 | | Word Count Estimation | 17,152 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 32250.3-2022: Agricultural and forestry machinery - Inspection of sprayers in use - Part 3: Sprayers for bush and tree crops
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Agricultural and forestry machinery - Inspection of sprayers in use - Part 3.Sprayers for bush and tree crops
ICS 65.060.40
CCSB91
National Standards of People's Republic of China
Replacing GB/T 32250.3-2015
Inspection of agricultural and forestry machinery in-use sprayers
Part 3.Sprayers for Shrub and Tree Crops
(ISO 16122-3.2015, IDT)
Published on 2022-07-11
2023-02-01 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 part 3 of GB/T 32250 "Detection of Sprayers in Use for Agricultural and Forestry Machinery". GB/T 32250 has been released to
the next part.
--- Part 1.General;
--- Part 2.Horizontal boom sprayers;
--- Part 3.Sprayers for shrub and tree crops;
--- Part 4.Stationary and semi-mobile sprayers.
This document replaces GB/T 32250.3-2015 "Testing of sprayers in use - Part 3.Air-assisted spraying for shrub and tree crops
Compared with GB/T 32250.3-2015, the main technical changes are as follows.
a) The requirements for transmission components are deleted (see 4.1 of the.2015 edition);
b) Added the requirements for leakage (see 4.1);
c) Deleted the relevant requirements for the safety valve and leakage at the pressure end of the liquid pump (see 4.2.3 and 4.2.4 of the.2015 edition);
d) The requirements for the liquid pump air chamber (see 4.2.3) and hydraulic stirring (see 4.3.1) have been added;
e) Changed the requirements for the liquid tank cover (see 4.4.1, 4.4.1 of the.2015 edition);
f) Changed the requirements for inhalation dosing devices (see 4.4.3, 4.4.3 and 4.4.8 of the.2015 edition);
g) Changed the requirements for adding water to the liquid tank (see 4.4.7, 4.4.7 of the.2015 edition);
h) Deleted the requirement that "the pointer of the pressure gauge should remain stable" (see 4.5.6 of the.2015 edition);
i) Changed the requirements for the diameter of the pressure gauge (see 4.5.2.4, 4.5.7 of the.2015 edition);
g) Deleted the content of hard pipe and hose leakage (see 4.6.1 of the.2015 edition);
k) Deleted the requirement that the nozzle should be adapted to the pesticide application rate (see 4.8.1 of the.2015 edition);
l) Changed the requirements for pressure drop (see 4.9, 4.9.3 of the.2015 edition);
m) Changed the requirements for the measurement of spray volume (see 4.9.3.2, 4.9.2 of the.2015 edition);
n) Changed the requirements for fans (see 4.10, 4.10 of the.2015 edition);
o) Added requirements for spray guns and nozzles (see 4.11);
p) the preparation of the sprayer was deleted (see 5.1 of the.2015 edition);
q) Changed the requirements for liquid pump flow test (see 5.2.1, 5.2.1 of the.2015 edition);
r) The requirements for other sprayers (see 5.2.1.2.3) and the requirements for pressure pulsation of the liquid pump in the liquid pump flow test (see 5.2.1.2.3) have been added.
5.2.2);
s) Deleted the requirement for the pressure gauge to be calibrated once a year (see 5.2.2.1 of the.2015 edition);
t) The requirements for the selection of measuring points and the stability of the pressure in the calibration method of the sprayer pressure gauge are added (see 5.3.2);
u) Changed the general requirements for flow meters used to control the rate of application per hectare (see 5.4.1, 5.2.3 of the.2015 edition);
v) the requirements for measuring the application rate per hectare (see 5.4.2 and 5.4.3) and the forward speed control system (see 5.5) have been added;
w) Changed the requirements for the measurement of the spray volume of the nozzle (see 5.6, 5.2.4 of the.2015 edition);
x) The requirements for the measurement of the pressure change (see 5.8) and the measurement of the pressure distribution (see 5.9) when the spray is turned off have been added;
y) Deleted the test summary table, test report and related appendices (see Chapter 6, Chapter 7, Appendix A and Appendix B of the.2015 edition).
This document is equivalent to ISO 16122-3.2015 "Testing of agricultural and forestry machinery in-use sprayers - Part 3.Shrub and tree crops
Sprayer".
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 drafted by. Taizhou Xinyi Agricultural Machinery Co., Ltd., China Academy of Agricultural Mechanization Sciences, Nanjing Agriculture Ministry of Agriculture and Rural Affairs
Mechanization Research Institute, Zhejiang Agricultural Machinery Test, Appraisal and Promotion Station, National Agricultural Machinery Quality Supervision and Inspection Center, China Agricultural University.
The main drafters of this document. Chen Jian, Yu Wensheng, Hou Chong, Zhou Haiyan, Xue Xinyu, Jin Chen, Tang Genfa, Zeng Aijun, Yang Baohua, Liu Chunge.
This document was first published in.2015 and this is the first revision.
Introduction
The sprayer is mainly used for spraying insecticides, herbicides, fungicides, defoliants and other plant protection products to prevent and control crop diseases, pests and weeds, improve
High yield per unit area plays an irreplaceable and important role, and it is widely used and involves a wide variety of products.
The sprayer sprays the plant protection product on the target with the goal of spraying only the amount required by the target, contaminating operators and off-target streams
The amount of drug lost to the environment is kept to a minimum. Under normal use and regular maintenance, a properly designed and well-made sprayer should be able to
Normal continuous operation. However, after the sprayer is used in the field, it often produces serious abrasion and damage, even in comparison with the level of agricultural production technology.
In advanced areas, it is also difficult to achieve adequate maintenance. Therefore, clarifying the use requirements and testing methods of the sprayer in use is beneficial to the use of the sprayer.
The test of spraying equipment, prolong the normal continuous operation time of the sprayer in use, reduce the use of pesticides, improve the safety and work efficiency.
At present, in terms of the safety of plant protection machinery and the potential risks of environmental pollution, there are GB 10395.6 "Agricultural and forestry tractors and machinery
Safety Technical Requirements Part 6.Plant Protection Machinery, GB/T 39515 Environmental Requirements for Agricultural and Forestry Machinery Sprayers, etc.
Standard, the design and manufacture requirements and performance test methods of sprayer products are specified. However, standardizing the testing requirements and methods for in-use sprayers does not
Only the initial performance of the sprayer needs to be considered, but also factors such as use, maintenance and repair to ensure that the sprayer continues to perform well.
According to the structure and product type of international standards, GB/T 32250 "Testing of Sprayers in Use of Agricultural and Forestry Machinery" currently consists of 4 parts
constitute.
--- Part 1.General;
--- Part 2.Horizontal boom sprayers;
--- Part 3.Sprayers for shrub and tree crops;
--- Part 4.Stationary and semi-mobile sprayers.
This document is Part 3 of GB/T 32250 and is used together with GB/T 32250.1.
Inspection of agricultural and forestry machinery in-use sprayers
Part 3.Sprayers for Shrub and Tree Crops
1 Scope
This document is used in conjunction with GB/T 32250.1-2022 and specifies the technical requirements for the detection of sprayers for shrub and tree crops in use
and test methods.
The technical requirements mainly relate to the potential risk of environmental pollution caused by the sprayer and the performance of the equipment to achieve good spraying effect.
Note. GB/T 32250.1-2022 specifies the protection requirements for inspectors during the test.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 20183.2-2006 Plant Protection Mechanical Spray Equipment Part 2.Test Methods for Hydraulic Sprayers (ISO 5682-2.
1997, IDT)
GB/T 32250.1-2022 Testing of agricultural and forestry machinery in use sprayers - Part 1.General (ISO 16122-1.2015, IDT)
3 Terms and Definitions
The terms and definitions defined in GB/T 32250.1-2022 and the following apply to this document.
3.1
Equipment for spraying pesticides on shrub and tree crops (including annual plants/crops) such as grapes, fruits or hops, mainly on the sides and/or
Or high target for spraying.
Note. The characteristics of the sprayer for shrub and tree crops are given in Table A.1 of GB/T 32250.1-2022.
3.2
The general term for containers that hold plant protection products.
Examples. such as cans, bottles, bags, bags, boxes.
3.3
cleaningdevice
A device for cleaning the interior of an empty kit.
NOTE. The device can be an integral part of the sprayer, or it can be a separate device (such as a fixture).
4 Testing requirements and methods
4.1 Leaks and drips
4.1.1 Static leakage
The sprayer should be filled to rated capacity.
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