This standard specifies the terms related to the processing technology, machinery, parts, performance indicators and working parameters of complete sets of forage seed processing equipment. This standard applies to complete sets of forage seed processing equipment. JB/T 7139-1993 Terminology of complete sets of forage seed processing equipment JB/T7139-1993 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T7139--93
Complete Set of Equipment for Processing Pasture Seeds
Published on November 21, 1993
Ministry of Machinery Industry of the People's Republic of China
Implementation on March 1, 1994
Mechanical Industry Standard of the People's Republic of ChinabZxz.net
Complete Set of Equipment for Processing Pasture Seeds
1 Subject Content and Scope of Application
JB/T 713993
This standard specifies the terms related to processing technology, machinery, parts, performance indicators and working parameters of complete sets of equipment for processing pasture seeds.
This standard applies to complete sets of equipment for processing pasture seeds. 2 Reference standards
GB2930
GB/T12994
3 General requirements
Procedure for inspection of forage seeds
Terms for seed processing machinery
3.1 This standard is used in conjunction with GB/T12994. The general terms for seed processing machinery not included in this standard shall comply with the provisions of GB/T12994.
3.2 The terms related to the quality indicators of forage seeds shall be consistent with GB2930. 4 Processing technology
4.1 Grass seed processinggrass seed processingThe whole process of processing and treating forage seeds from harvest to sowing. It mainly includes drying, pre-processing, cleaning, grading, post-selection processing, weighing and packaging, storage, etc.
4.2 Feeding
The process of feeding the processed seeds into the equipment or working parts. 4.3 conveying
The process of conveying the processed seeds from one process to another. 4.4 separating
The process of separating the raw seeds into single seeds. 4.5 elevating
The process of vertically lifting the processed seeds from a low place to a high place so that the seeds can flow to the next process. 4.6 deawning
The process of removing the awns and thorns of the seeds with awns and thorns. 4.7 dehairing
The process of removing the velvet of the seeds with velvet.
4.8 brushing
The process of brushing and kneading the seeds to remove the attachments on the surface of the seeds and separating the seeds. breaking the hard bast of seedcd4.9
The process of breaking the hard bast of seeds to increase the water permeability and air permeability of the seeds. Approved by the Ministry of Machinery Industry on November 21, 1993
Implemented on March 1, 1994
5 Machinery and parts
JB/T7139-93
Grass seed processing plant 5.1
The whole composed of all equipment or part of the main equipment and auxiliary equipment for processing grass seeds in accordance with animal husbandry technical requirements. 5.2 Grass seed processing combination unit The whole composed of several seed processing machines that can operate independently and are connected and combined according to the process procedures. 5.3 Feeder
A device that receives the material to be processed and feeds it into the working parts of the equipment. 5.3.1 Feed mixer
A device that stirs the material to be processed in the feeding device to ensure that the material is fed continuously and evenly. 5.3.2 Mixing finger
In the feeding mixer, the tooth-shaped part that contacts the material and stirs it. 5.3.3 Feeding regulator A device that can control the feeding amount of the processed material. 5.3.4 Feeding roller
A rotating part that discharges the material in the feeding bucket. 5.3.5 Air sealer
A device that discharges the material in the settling chamber and prevents the air flow from entering the settling chamber. 5.3.6 Spinning flake sealer An air sealer with a rotating blade structure enclosed in a shell. 5.3.7 Air suction sealer An air sealer whose valve is closed under the action of negative pressure airflow and opened under the action of the gravity of the material. 5.3.8 Setting chamber
In air conveying or air selection systems, a device that separates the material from the airflow by using the change in airflow speed or direction. 5.4 Screen body
A component consisting of a screen sheet and a frame.
5.5 Screen box
A component consisting of a screen body, a cleaning ball box and cleaning balls. 5.6 Screen case
A component for screening composed of several screen boxes and a screen box frame. 5.7 Screen baggage (shoe) A box-shaped component used to install the screen box.
5.8 Shoe shake
A sheet-shaped component connected to the fixed frame at the upper end and to the screen box at the lower end. 5.9 Screen box connecting rod
A rod-shaped component that connects the crankshaft to the screen box and drives the screen box to vibrate. 5.10 Inferior seed separator A device that separates inferior seeds (seeds listed in Articles 4.3.1a~c and 4.3.2 of GB2930) from good seeds. Abortiveseedseparator5.11
A device for separating immature, thin, cancerous seeds from normal, plump seeds. 5.12 Airscreen
A screen body that supports seeds for air selection in the air selection system. 5.13 Small sizescreen
A round hole screen with a screen hole diameter not greater than 1mm; a long hole screen with a screen hole width not greater than 1mm. 2
JB/T713993
5.14 Small size indent (small size pocket) A pocket with a diameter not greater than 1mm.
5.15 Deawning class
A component in the deawning machine that is composed of a rotating part and a shell for performing the deawning operation. 5.15.1 Deawning rod (finger) A rod-shaped part that cooperates with the shell of the deawning chamber to hit and rub the processed materials. 5.15.2 Deawning shaft
The shaft-shaped part on which the deawning rod is installed and drives the deawning rod to make a rotary motion. 5.15.3 Deawning chamber cavity The space contained by the shell of the deawning chamber.
5.15.4 Deawning regulator A device that controls the retention time of seeds in the deawning chamber. 5.16 Brushing seed chamber
The mechanism composed of rotating brushes and screens in a type cleaning machine, which applies a rubbing action to the seeds, removes the awns, membranes, thorns, and fluff of the seeds, and separates the raw seeds.
5.16.1 Brushing seed chamber cavity The space contained by the screen cylinder and end surface of the brushing seed chamber. 5.16.2 Brushing seed tubular screen The simple screen that cooperates with the seed brush to perform the seed brushing operation. 5.16.3 Seed brush
A strip brush that cooperates with the screen to perform seed brushing operations. 5.16.4 Brushing seed regulatorA device that controls the retention time of seeds in the brushing chamber. 5.16.5 Brushing seed clearance regulatorA device that adjusts the gap between the brush surface of the seed brush and the bottom of the brushing screen. 6 Technical indicators and working parameters
6.1 Technical indicators
6.1.1 Evenness of feeding
The degree of variation in feeding amount at different times.
6.1.2 Evenness of distributing on screenThe degree of variation in the distribution of feeding materials along the width of the screen at the beginning of the screen. 6.1.3 Separating percentage of abortive seed The percentage of abortive seeds separated by the abortive seed separation mechanism to the total number of abortive seeds in the fed seeds, calculated in number of seeds. 6.1.4 Awning rate percentage of awned The percentage of awned (shaved) seeds in the processed seeds to the total number of seeds (long-awned seeds such as old awned wheat and alkali grass with awn length greater than 4mm are awned seeds).
6.1.5 Premature awning rate Premature percentage of awned seeds The percentage of awned seeds in the unprocessed materials to the total number of seeds. 6.1.6 Seed purity after deawning The purity of seeds after deawning and winnowing by a deawning machine with a winnowing system. 6.1.7 Temperature of deawning room Temperature of seeds at the end of the deawning room during the deawning operation. tvatameoffee hopper
6.1.8 Feeding hopper capacity
The volume below the upper opening plane of the feeding hopper of the feeding device. 6.1.9 Width of deawning screen JB/T7139-93
Vertical distance between the inner edges of the two outer frames of the screen body. 6.1.10 Effective width of screen screen effective width offace of screen width of screen screen minus the width of the middle frame. 6.2 Working parameters and structural parameters
6.2.1 Clearance of deawning distance between the end of the deawning rod and the bottom of the deawning chamber shell. 6.2.2 Side clearance of deawning distance between the end of the deawning rod and the side plate of the deawning chamber. 6.2.3 Value of deawning chamber volume of deawning chamber shell cavity volume.
6.2.4 Time of deawning
Time for the processed material to stay in the deawning chamber. 6.2.5 Clearance of brushing seed distance between the brushing surface and the lower part of the screen. 6.2.6 Time of brushing seed The time that seeds stay in the seed chamber.
6.2.7 Diameter of brushing class The inner diameter of the screen of brushing class.
6.2.8 Length of brushing class The distance between the inner sides of the two end faces of the screen of brushing class. Additional remarks:
This standard was proposed and managed by the Hohhot Animal Husbandry Machinery Research Institute of the Ministry of Machinery Industry, and was drafted by the Hohhot Animal Husbandry Machinery Research Institute of the Ministry of Machinery Industry. The main drafter of this standard is Su Zhengfan.
People's Republic of China
Machinery Industry Standard
Forage Seed Processing Equipment
JB/T7139-93
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (PO Box 8141, Beijing 100081)
Copyright reserved. No reproduction allowed
Format 880×12301/16 Printing Sheet 1/2 Number of Words 8,000 First Edition January 1994 First Printing January 1994 Number 1468
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