JB/T 9805.1-1999 This standard is a revision of ZB B91 ​​032-90 "Technical conditions for boom sprayers". The scope of application was further clarified during the revision; the terms of durability test requirements for the machine were added; and the technical indicators were adjusted. This standard is part of the JB/T 9805 "Boom sprayers" series of standards. This series of standards includes the following two parts: JB/T 9805.1-1999 Technical conditions for boom sprayers JB/T 9805.2-1999 Test methods for boom sprayers This standard specifies the technical requirements, safety requirements, inspection rules, marking, packaging, transportation and storage of boom sprayers. This standard applies to suspended and towed boom sprayers equipped with tractors. This standard was first issued in 1990 and this is the first revision. JB/T 9805.1-1999 Technical requirements for boom sprayers JB/T9805.1-1999 Standard download decompression password: www.bzxz.net

ICS 65.060.40
Machinery Industry Standard of the People's Republic of China
JB/T9805.1-1999
Boom sprayer
Technical requirements for boom sprayer1999-08-06 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T9805.11999
This standard is a revision of ZBB91032-90 "Technical requirements for boom sprayer". Compared with ZBB91032-90, the main technical contents of this standard have been changed as follows:
'1. The scope of application of the standard has been changed to: "Applicable to suspended and towed boom sprayers equipped with tractors". 2. The provisions of the original performance indicators and pressure regulation performance indicators in the standard that are inconsistent with the current standard have been revised. 3. The effectiveness index is increased from 94% to 96%, which is consistent with the matching pump standard. 4. The clauses for the durability test requirements of the machine tools are added. 5. The measurement time of the sealing performance requirements of the machine tools is changed from 30s under the highest pressure to 3min under the highest working pressure. 6. The "average value of the common working pressure" is changed to "rated pressure". 7. The "type" chapter of the product and the provisions on the materials used for parts and components and the requirements for the manufacturing process are deleted. 8. The referenced abolished standard number is changed or deleted. This standard replaces ZBB91032-90 from the date of implementation. This standard is proposed and managed by the National Agricultural Machinery Standardization Technical Committee. The responsible drafting units of this standard: China Agricultural Mechanization Science Research Institute, Suzhou Agricultural Machinery Factory and Handan Agricultural Machinery Factory. The main drafters of this standard: Yan Herong, Chen Junbao, Wan Peisun, Xi Xingsheng, Zhang Xianzeng. This standard was first issued in 1990, and this revision is the first revision. 1 Scope
Machinery Industry Standard of the People's Republic of China
Technical requirements for boom sprayer
Technical requirements for boom sprayerJB/T9805.1-1999
Replaces ZBB91032-9U
This standard specifies the technical requirements, safety requirements, inspection rules, marking, packaging, transportation and storage requirements for boom sprayers. This standard applies to suspended and towed boom sprayers (hereinafter referred to as sprayers) equipped with tractors. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T28281987
GB/T10545—1989Www.bzxZ.net
JB/T 5673--1991
JB/T9802—1999
JB/T 9805.2-1999
JB/T9806—1999
3 Requirements
Batch-by-batch inspection Count sampling procedures and sampling tables (applicable to inspection of continuous batches) Rubber hoses for agricultural sprayers
General technical conditions for painting of agricultural and forestry tractors and implements Triplex and piston pumps for sprayers and cleaning machines Boom sprayers Test methods
Diaphragm pumps for sprayers
Sprayers should comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved through the prescribed procedures. 3.1
3.2 The spray width of the sprayer is divided into: <10m, ≥10m~<18m, ≥18m, and should comply with the provisions of Table 1. The machine with a spray width of more than 10m (including 10m) should have a balance and profiling mechanism. Table 1
Note: The values ​​in brackets are reference values
《22）
3.3 The sprayer nozzle should have anti-drip performance. In normal operation, after closing the stop valve for 5S, 2-3 nozzles are allowed to drip (3 for spray width greater than or equal to 12m: 2 for less than 12m). The number of dripping drops from each nozzle shall not exceed 10 drops/min. 3.4 Pressure regulation and unloading performance
3.4.1 The sprayer pump should have a pressure regulating and unloading device. 3.4.2 The pressure should be able to be adjusted smoothly within the rated pressure or the maximum operating pressure range. 3.4.3 When the pump outlet is closed, the pressure increase shall not exceed 20% of the set pressure. For pumps equipped with unloading valves, when unloading, the pump pressure should drop below 1MPa. When reloaded, the pump pressure should be able to return to the original set pressure value. Approved by the State Bureau of Machinery Industry on August 6, 1999 and implemented on January 1, 2000
JB/T9805.1-1999
3.5 When the sprayer is at rated operating pressure T, the coefficient of variation of the spray volume of each nozzle on the spray boom shall not be greater than 15%. 3.6 When the sprayer is at rated operating pressure T, the coefficient of variation of the uniformity of the spray volume distribution along the spray boom shall not be greater than 20%. 3.7 The coefficient of variation of the uniformity of the mixing of the medicine box agitator shall not be greater than 15%. 3.8 The performance indicators of the liquid pump shall comply with the requirements of JB/T9802 or JB/T9806 and other corresponding liquid pump standards. 3.9 The sprayer should be tested for 30 minutes at rated operating pressure. There should be no abnormal vibration, noise, loose fasteners or leakage during operation.
3.10 When the sprayer is operated at the highest pressure for 3 minutes, no looseness or leakage is allowed in the working parts, the joints of the working parts and the seals.
The distance between the end of the sprayer boom and the horizontal center line of the sprayer boom shall not exceed 100mm. 3.12
The sprayer shall be equipped with at least three levels of filtration, and the aperture of at least one level of filter shall not be larger than the minimum passage section of the spray hole. Reliability index: the effectiveness shall not be less than 96%. 3.13
Parts in contact with pesticides shall have good anti-corrosion properties. Rust spots and coating exposure are not allowed. 3.141
The quality of paint and coating adhesion shall comply with the provisions of JB/T5673. The spray hose shall comply with the provisions of GB/T10545. The appearance of the machine should be neat and tidy, without burrs and obvious scars, bumps, deformations, rust spots, oil stains and other defects. 3.17
4 Safety requirements
4.1 The structure of the sprayer should ensure the safety of operators during assembly, use and maintenance. 4.2 The cover of the medicine box should not open automatically during operation. 4.3 The water outlet pipe of the liquid pump should have a safety overflow device. 4.4 When the sprayer with an automatic water filling device is in operation, its water filling pipe should be placed safely. 4.5 A container for clean water should be available when the machine is in operation. 5 Test method
The test method of the sprayer shall be carried out in accordance with JB/T9805.2. 6 Inspection rules
6.1 The sprayer shall be inspected and qualified before it can leave the factory. 6.2 The inspection of the sprayer includes factory inspection and type inspection. 6.3 The factory inspection items of sprayers shall include the requirements of 3.2~3.12 and 3.14~3.17 of this standard. 6.4 Sprayers shall be subject to type inspection in any of the following situations: a) new products to be trial-produced; b) production is transferred to another factory or production is suspended for more than one year; c) the product is in normal production and the last type inspection has been completed three years ago. 6.5 Type inspection shall be carried out in accordance with all the items specified in the technical requirements of this standard. 6.6 The ordering unit has the right to conduct sampling inspection in accordance with the provisions of GB/2828, and the acceptance plan shall be negotiated by the supply and demand parties. Marking, packaging, transportation and storage
7.1 Marking
JB/T9805.I-1999
7.1.1 Each sprayer shall be marked with the product mark in a conspicuous position. 7.1.2 Product markings shall include the following: a) Manufacturer name;
b) Product name and model;
c) Date of manufacture: year, month;
d) Main technical parameters (such as spray width, medicine box capacity, liquid pump type, speed, pressure, flow, etc.). 7.2 Packaging
7.2.1 Qualified parts shall be packaged after the residues and accumulated water in the inner cavity of the parts are removed. 7.2.2 All hoses shall be in a natural state when packed. If bending is necessary, the inner diameter of the bend shall not be less than 15 times the diameter of the pipe, and puncture and flattening shall be avoided.
7.2.3 The packaging shall be firm and reliable, easy to transport, and prevent the parts from being damaged or lost during transportation. 7.2.4 The following documents should be included in the packing box: a) Product quality certificate;
b) Product instruction manual;
c) Packing list;
d) Three-guarantee certificate.
7.2.5 The following clear markings should be on the packaging box: a) Product model and name;
b) Code, number and name of the product implementation standard; c) Quantity, set;
d) Gross weight (net weight), kg;
e) Packing box volume, length × width × height (m×m×m): f) Manufacturer's name;
g) Date of manufacture: year, month;
h) Moisture-proof mark, upward mark.
7.3 Transportation and storage
7.3.1 Do not turn the sprayer upside down during transportation to avoid severe vibration and bumping. 7.3.2 When the sprayer is stored for a long time, it should be avoided from being stacked with corrosive items such as acids, alkalis, pesticides, etc.
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