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GB/T 28017-2011: Pressure mode weighing coal feeder
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Pressure mode weighing coal feeder
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GB/T 28017-2011
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Basic data | Standard ID | GB/T 28017-2011 (GB/T28017-2011) | | Description (Translated English) | Pressure mode weighing coal feeder | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N13 | | Classification of International Standard | 17.100 | | Word Count Estimation | 49,487 | | Date of Issue | 2011-10-31 | | Date of Implementation | 2012-02-01 | | Quoted Standard | GB/T 191; GB/T 755; GB/T 979; GB/T 1348; GB 1498; GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 2423.37-2006; GB/T 2423.38-2008; GB/T 2887-2000; GB/T 2970; GB/T 3323; GB/T 3768; GB 3836.2; GB/T 4879; GB/T 4942.2; GB/T 5048; GB 5226.1; GB/T 5677; GB/T 6388; GB/T 6484; GB/T 6759; GB/T 7233; GB/T 7251; GB/T 7551; GB/T 7721-2007; GB/T 7724; GB/T 7984; GB/T 9439; GB/T 9867; GB/T 10595; GB/T 11345; GB 12476.1; GB/T 13384; GB 14249.1; GB/T 14250; GB/T 15395; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.5; GB/T 17626.6; GB/T 17626.11; GB 19517-2004; QB/T 1563; DL/T 513-1993; DL/T 869-2004; JB/T 8; JB/T 6061; JB/ZQ 4000.3; JB/ZQ 4000.7; JB/ZQ 4000.10; NFPA 8503 | | Adopted Standard | OIML R50-1997, NEQ | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 15 of 2011 | | 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 pressure coal feeder metering terminology, product type basic parameters, technical requirements, test methods and rules and signs, packaging, transport and storage. This standard also provides a way to evaluate traceable Metrological characteristics of coal feeder or technical characteristics to provide standardized requirements and test procedures. This standard applies to the preparation of coal -fired boilers generation system using the principle of gravity, of weighing a continuous, quantitative control of the conveyor belt transporting bulk substance and determining the cumulative weight of flow, the structure of pressure levels not less than 0. 35Mpa coal feeder metering products, for the same principle and similar structures weighfeeder product may refer to. | GB/T 28017-2011: Pressure mode weighing coal feeder---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.
Pressure mode weighing coal feeder
ICS 17.100
N13
National Standards of People's Republic of China
Pressure metering stoker
(OIMLR50.1997, Continuoustotalizingautomaticweighinginstruments, NEQ)
Issued on. 2011-10-31
2012-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅴ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
3.1 General Definitions 2
3.2 Accuracy 3
4 models and naming 3
4.1 Model 3
4.2 Basic parameters and dimensions 3
5 metering performance requirements 4
5.1 accuracy class 4
5.2 The maximum permissible error 4
5.3 minimum cumulative load (Σmin) 5
5.4 Minimum flow rate (Qmin) 5
5.5 5 factory test
5.6 Field Test 6
5.7 Factor 7
6 Structure 7 Technical Requirements
6.1 general requirements 7
6.2 mechanical structural requirements 8
6.3 Electrical requirements 10
6.4 The main parts production technology requirements 12
Assembly 13 6.5 Technical Requirements
6.6 Auxiliary equipment 13
6.7 Operating safety 13
Electronic device 137 requires
7.1 General requirements 13
7.2 Interference applicable 14
7.3 POST program 14
7.4 Functional requirements 14
7.5 Inspection and Test 15
7.6 Security features 15
8 15 Test Method
8.1 factory test (5.5) 15
8.2 simulation load weight control means 15
9 inspection rules 15
9.1 Evaluation Type 15
9.2 type evaluation requirements 16
9.3 factory inspection 17
10 signs, packaging, transportation and storage 18
10.1 mark 18
19 10.2 Packaging
10.3 Transport 19
10.4 Storage 19
Appendix A (normative) Test type evaluation program 20
A.1 review documents (9.2) 20
Structures and devices (6.1,6.2,6.3,6.6) 21 A.2 review the stoker
A.3 Initial examination 21
A.3.1 Performance Measurement (5) 21
A.3.2 descriptive markings (10.1) 21
A.4 General test requirements 21
A.4.1 tested for general stoker (EUT) requirements 21
A.4.2 Error Calculation Method 21
A.5 Test Item 22
A.6 Performance Test 22
A.6.1 General Condition 22
A.6.2 Automatic zero-setting (5.5.5) 22
A.6.3 factory test (5.5) 23
A.7 Influence factor tests (5.7) 27
A.7.1 Static temperature (5.7.1,6.3.8.1) 28
A.7.2 zero flow temperature (5.7.2) 29
A.7.3 damp heat, steady state (7.4.1,6.3.8.1) 29
A.7.4 AC supply voltage (AC) (5.7.3) 30
A.8 interference test (7.1.2,7.5.2) 31
A.8.1 Voltage dips and short interruptions immunity test 32
A.8.2 Electrical fast transient burst immunity test 32
A.8.3 surge (impact) immunity test 34
A.8.4 Electrostatic discharge immunity test 35
A.8.5 Electromagnetic Sensitivity 35
A.9 field test (5.6.1 - 5.6.6) 37
A.9.1 Weighing accuracy of the test (5.6.1) 37
A.9.2 control the accuracy of the test (5.6.2) 37
A.9.3 Repeatability (5.6.3) 37
A.9.4 zero check the maximum permissible error (5.6.4) 37
A.9.5 indicator zero discrimination (5.6.5) 37
The maximum deviation test A.9.6 zero load (5.6.6) 38
A.10 safety performance test (7.6) 38
A.11 structural performance test (6) 38
A.11.1 stoker conveyor body (6.2.1) 38
A.11.2 coal drop tube (6.2.2) 38
A.11.3 body case (6.2.3) 38
A.11.4 observation and illumination (6.2.4) 38
A.11.5 seal Wind Interface (6.2.5) 38
A.11.6 access door (6.2.6) 38
A.11.7 main drive (6.2.7) 38
A.11.8 speed measuring device (6.2.8) 38
A.11.9 weighing units (6.2.9) 38
A.11.10 tape (6.2.10) 39
Within A.11.11, outside of the cleaning device (6.2.11) 39
A.11.12 chain cleaning mechanism (6.2.12) 39
A.11.13 belt tensioning device (6.2.13) 39
A.11.14 blocking coal, coal owe detecting device (6.2.14) 39
A.11.15 belt deviation detection means (6.2.15) 39
A.11.16 coal flow detector means (6.2.16) 39
A.11.17 temperature detecting means (6.2.17) 39
A.11.18 pressure detecting means (6.2.18) 39
A.11.19 coal gate (6.2.19) 39
A.11.20 Raw materials (6.2.20) 39
A.11.21 iron castings (6.2.21) 39
A.11.22 castings (6.2.22) 39
A.11.23 weldment (6.2.23) 40
A.11.24 forging documents (6.2.23) 40
A.11.25 surface coating (6.2.25) 40
A.11.26 bearing temperature (6.2.26) 40
A.11.27 noise (6.2.27) 40
A.12 electrical performance test (6.3) 40
A.12.1 General requirements (6.3.1) 40
A.12.2 Protection class (6.3.2) 40
A.12.3 input and output (6.3.3) 40
A.12.4 frequency control (6.3.4) 40
A.12.5 strength of electrical control signal circuit (6.3.5) 40
A.12.6 Signal Conditioning (6.3.6) 40
A.12.7 Power Requirements (6.3.7) 41
A.12.8 control room space (6.3.8) 41
A.13 main components detected (6.4) 41
A.13.1 housing (6.4.1) 41
A.13.2 Framework (6.4.2) 41
A.13.3 main, driven roller (6.4.3) 41
A.13.4 roller (6.4.4) 41
A.14 assembly and test (6.5) 41
A.15 auxiliary device detects (6.6) 42
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard reference method using redrafted International Organization of Legal Metrology No. 50 International Recommendations OIMLR50 "Continuous totalizing automatic weighing instruments (Leather
Belt scale) "(ContinuousTotalizingAutomaticWeighingInstruments) 1997 edition (E) (R50-1, R50-2) establishment,
And the degree of consistency OIMLR50 not equivalent.
The difference between standard and OIMLR50 international recommendations exist, the main technical changes are as follows.
--- Prepared in accordance with the format GB/T 1 "Standardization Guide" prepared at the request format R50 international recommendations have been adjusted.
--- Name from "Continuous totalizing automatic weighing instruments (belt weigher)" to "pressure type measurement stoker" and added related terms;
--- To increase the content of Chapter 2, "Normative documents";
--- Increase the Chapter 4, "and the model name" content;
--- Increased by 5.1 content control stoker "accuracy rating";
--- An increase of 6.1 "general requirements" of the content;
--- An increase of 6.2 "mechanical structural requirements" of the content;
--- An increase of 6.3 "Electrical requirements" of the content;
--- An increase of 6.4 "main components making technical requirements" of the content;
--- An increase of 6.5 "mounting technical requirements" of the content;
--- An increase of 6.6 "auxiliary equipment" content;
--- An increase of 7.6 "safety" of the content;
--- An increase of 9.1 "type evaluation" of the content;
--- 9.2.5 adds the "type evaluation result determination" of the content;
--- Increased content 9.3 "factory inspection" of;
--- "Mock trial" project to 5.5 "test factory" project, canceled the pilot project site materials;
--- Increased Chapter 10, "signs, packaging, transport and storage" content;
--- Modify the table A.6 "voltage dips and short interruptions immunity test" in the amplitude of the voltage sag original 100%, 50% changed
0%, 40%, 70%, 80%;
--- Increased A.8.3 "surge (impact) immunity test" content;
--- Modified A.8.4.1 "radio frequency electromagnetic radiation immunity test" field strength indicator, the 3V/m to 10V/m, the frequency of the 26M-
1000MHz to 80M-1000MHz;
--- Modified A.8.2 "electrical fast transient burst immunity test" by the positive and negative to each sustained 2min 1min;
--- Increased A.8.5.2 "conducted disturbances induced by RF field immunity test" of the content;
--- Increased A.6.3.2 "control the accuracy of the test" of the content;
--- Increased A.10 "safety test" content;
--- Added "structural performance test (6.2)" content A.11;
--- Increased A.12 "electrical performance test (6.3)" content;
--- Increased A.13 "main components detected (6.4)" content;
--- Increased A.14 "assembly and test (6.5)" content;
--- Increased A.15 "auxiliary device detects (6.6)" content.
This standard by the National Standardization Technical Committee instrument (SAC/TC97) centralized.
This standard is drafted by. Shanghai and the Weighing Limited.
Participated in the drafting of this standard. Shanghai Power Equipment Design and Research Institute, Jiangsu Saimo Group Limited.
The main drafters of this standard. Chen Nikko, Zhong Hua.
Participate drafters of this standard. Wang Mingyi, He Fusheng.
Pressure metering stoker
1 Scope
This standard specifies the terms pressure type measurement stoker (hereinafter referred to as "stoker"), the product type basic parameters, technical requirements, testing
Methods and rules and signs, packaging, transportation and storage.
This standard is also traceable to evaluate ways to provide standardized requirements and test procedures for metrological characteristics or technical characteristics of the coal.
This standard applies to the coal preparation system power generation fuel boiler gravity principle, weighing a continuous manner, quantitative control input
Send belt conveying bulk material flow and to determine the cumulative weight of the structure is not less than the measured voltage level to 0.35MPa
Coal products, and the same principle for quantitative structure similar feeder product implementation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs
GB/T 755 rotating electrical machines
GB/T 979 carbon steel castings classification and technical conditions
GB/T 1348 ductile iron
GB 1498 motor, low-voltage electrical enclosure protection rating
Low Temperature Test Method. A GB/T 2423.1 Basic environmental testing procedures for electric and electronic products Test
High Temperature Test Method. B GB/T 2423.2 Basic environmental testing procedures for electric and electronic products Test
GB/T 2423.3 electric and electronic products environmental testing procedures Test Ca. Damp heat test method
GB/T 2423.37-2006 electric and electronic products environmental testing procedures Test L. Dust and sand Test Method
GB/T 2423.38-2008 electric and electronic products environmental testing procedures Test R. Water test method
GB/T 2887-2000 General specification for computer sites
GB/T 2970 in the thick steel plate ultrasonic flaw detection method
GB/T 3323 steel weld radiographs and negatives Classification
GB/T 3768 sound power levels of noise sources - Determination Simple Method
GB 3836.2 Electrical apparatus for explosive gas atmospheres - Part 2. flameproof electrical equipment
GB/T 4879 rust-proof packaging
GB/T 4942.2 low-voltage electrical enclosure class
GB/T 5048 proof packaging
GB 5226.1 mechanical and electrical safety of machinery - Electrical equipment - Part 1. General requirements
GB/T 5677 steel castings ray photographs and negatives Classification
GB/T 6388 transport package shipping mark
GB/T 6484 steel pretreatment and surface rust grade
Determination of strength between GB/T 6759 belt layer of adhesive
GB/T 7233 Ultrasonic testing of steel castings and weight rating points system
GB/T 7251 Low-voltage switchgear and control equipment
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