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GB/T 25234-2010: Grain and oil machinery -- Impeller airlock
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25234-2010 | English | 189 |
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Grain and oil machinery -- Impeller airlock
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GB/T 25234-2010
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Basic data | Standard ID | GB/T 25234-2010 (GB/T25234-2010) | | Description (Translated English) | Grain and oil machinery -- Impeller airlock | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X91 | | Classification of International Standard | 67.260 | | Word Count Estimation | 8,828 | | Date of Issue | 2010-09-26 | | Date of Implementation | 2011-03-01 | | Quoted Standard | GB/T 191; GB/T 3768; GB 5226.1; GB/T 13306; GB/T 24854; GB/T 24856; GB/T 25218 | | Regulation (derived from) | National Standard Approval Announcement 2010 No.6 (Total No.161) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the impeller off the wind 's classification, works, Model, parameters of the project requirements, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage requirements. This standard applies to the pneumatic transfer system supply and feed device stays connected powdery and granular materials. | GB/T 25234-2010: Grain and oil machinery -- Impeller airlock---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.
Grain and oil machinery.Impeller airlock
ICS 67.260
X91
National Standards of People's Republic of China
Grain and oil machinery impeller
2010-09-26 release
2011-03-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Foreword
Appendix A of this standard is a normative appendix.
This standard is proposed by the National Grain Bureau.
This standard by the National Grain Standardization Technical Committee.
The drafting unit of this standard. State Bureau of Grain Reserve Zhengzhou Institute of scientific research and design.
The main drafters of this standard. Zhao Xiangtao, Zhang Mingxue.
Grain and oil machinery impeller
1 Scope
This standard specifies the classification, working principle, product type, parameter item requirement, technical requirement, test method and inspection standard of impeller air blower
And signs, packaging, shipping and storage requirements.
This standard is applicable to the supply and discharge of powdered and granular materials connected to pneumatic conveying systems.
2 normative reference documents
The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all
(Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard
Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard.
GB/T 191 packaging and storage icon
GB/T 3768 Acoustic vocal pressure method for the determination of noise sources Sound power level Reflective surface above the use of envelope measurement of the surface of the simple method
Mechanical electrical machinery - Electrical equipment - Part 1. General technical requirements GB 5226.1
GB/T 13306 signs
General specification for packaging of grain and oil machinery products GB/T
GB/T 24856 General technical conditions for grain and oil machinery castings GB/T
General technical requirements for coating of grain and oil machinery products GB/T
3 working principle
Through an aliquot of the impeller in the shell rotation, relying on the upper part of the shell material or material feeding device filled with impeller cavity,
The airflow from the pneumatic conveying system is removed and the material is discharged with the rotation of the impeller to the lower part of the shell.
4 classification
According to the no-load static state under the rated pressure difference between the different air leakage is divided into ordinary type of air shutters and high airtight type two types of air shutters.
5 models and basic parameters
5.1 model of the preparation method
Follow Appendix A.
5.2 basic parameters of the project
The basic parameters of the project include model specifications, volume, motor power, speed, leakage, size. In the use of manual and other technical documents
Should be clearly indicated.
6 technical requirements
6.1 General requirements
6.1.1 shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures.
6.1.2 Raw materials, purchased parts, external agreement should be accompanied by a certificate, after passing the test to use.
6.1.3 Castings shall be carried out in accordance with the provisions of GB/T 24856.
6.1.4 product coating according to the provisions of GB/T 25218 implementation.
6.1.5 impeller air blower outer surface should not have bruises, scratches and rugged, rough uneven phenomenon.
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