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GB 8031-2015 English PDF

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GB 8031-2015: Industrial electric blasting cap
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GB 8031: Evolution and historical versions

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GB 8031-2015English589 Add to Cart 5 days [Need to translate] Industrial electric blasting cap Valid GB 8031-2015
GB 8031-2005English999 Add to Cart 6 days [Need to translate] Industrial electric detonator Obsolete GB 8031-2005
GB/T 8031-1987EnglishRFQ ASK 6 days [Need to translate] Electric detonators Obsolete GB/T 8031-1987

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Basic data

Standard ID GB 8031-2015 (GB8031-2015)
Description (Translated English) Industrial electric blasting cap
Sector / Industry National Standard
Classification of Chinese Standard G89
Classification of International Standard 71.100.30
Word Count Estimation 28,289
Date of Issue 2015-10-09
Date of Implementation 2016-07-01
Older Standard (superseded by this standard) GB 8031-2005; GB/T 16625-1996
Quoted Standard GB 190; GB/T 191; GB/T 2828.1; GB/T 2829; GB/T 4883-1985; GB/T 6378; GB/T 8170; GB 9969; GB/T 13225; GB/T 13226; GB/T 13227; GB/T 14436; GB/T 14659; GB 18014-2008; GB 18096; GA 441; GA 921; WJ 231; WJ/T 9010; WJ/T 9031; WJ/T 9042; WJ/T 9043.1; WJ/T 9044; WJ/T 9039
Regulation (derived from) National Standard Announcement 2015 No.31
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 industry classification and naming electric detonator, requirements, test methods, inspection rules and signs, packaging, transportation, storage and so on. This Standard applies to industrial electric detonators.

GB 8031-2015: Industrial electric blasting cap

---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.
(Industrial electric detonator) ICS 71.100.30 G89 National Standards of People's Republic of China Replacing GB 8031-2005, GB/T 16625-1996 Industrial electric detonator Issued on. 2015-10-09 2016-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard 5.1.1,5.2,5.4,5.5,5.6.3,5.6.4,5.6.6,5.6.7,5.6.8,5.6.9 in 2 ms series, 8.1.2.1,8.1.3, 8.2, some indicators in Table 2 (maximum current is not angry, electrostatic sensitivity) are mandatory, the rest are recommended. This standard GB/T 1.1-2009 given rule drafting. This standard replaces GB 8031-2005 "Industrial electric detonators" and GB/T 16625-1996 "seismic exploration electric detonators." This standard and GB 8031-2005 and GB/T 16625-1996 compared to the main changes are as follows. --- Modify the classification of industrial electric detonator (see 4.1, GB 8031-2005 of Chapter 4); --- Modification on foot line requirements, increasing the "insulation thickness of the thinnest point" and "anti-high voltage breakdown performance" requirements (see 5.1.2,5.4.2 And 5.4.3, GB 8031-2005 5.2); --- Revised industrial electric detonator material requirements (see 5.5, GB 8031-2005 5.3); --- Modify the whole industrial electric detonators resistance requirements (see 5.6.1, GB 8031-2005 5.4.1 and GB/T 16625-1996 Table 1); --- To the maximum safe current will not firing current, revised seismic exploration electric detonators misfire maximum current (see 5.6.2, 5.4.3 GB 8031-2005 and GB/T 16625-1996 Table 1); --- Ability to detonate the perforation diameter makes specific requirements (see 5.6.4, GB 8031-2005 5.4.8 and the GB/T 16625-1996 Table 1); --- Modify the water resistance index of industrial electric detonator (see 5.6.6.1 and 5.6.6.2, GB 8031-2005 and the 5.4.10 GB/T 16625-1996 Table 1); --- Added "Invert the initial capacity" performance requirements (see 5.6.10); --- Increased seismic exploration extension power detonators, delay time are 0ms, 1ms, 2ms, 3ms, 4ms, 5ms, 6ms, 7ms (see Table 3 of the first 4 milliseconds series); --- Added "foot line" test, modify the content test methods (see Chapter 6, GB 8031-2005 of Chapter 6 and Chapter GB/T 16625-1996 5th); --- Modify the test list, which increased the "code", "Do not segment flag", "foot wire insulation thickness of the thinnest point," "anti-foot line of high voltage breakdown Can "" Invert initiation capability "test (see Table 4 and Table 5, GB Table 3 and GB/T 16625-1996 4.1 in 8031-2005); --- Revised inspection procedures (see Figure 1, GB 8031-2005 Figure 1 and GB/T 16625-1996 of Chapter 4); --- Modify the decision rule (see 7.7, GB 8031-2005 7.7); --- Modify the delay time determined in isolation or batch type test project (see Appendix A of A.2) is; --- Increased B "inverted initiation capability testing apparatus schematic diagram" (see Appendix B) Appendix; --- Amend Appendix C "sampling plan examples" (see Appendix C, GB 8031-2005 Appendix B). Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard is under the jurisdiction of Explosive Materials Standardization Technical Committee of Ministry of Industry and Information Technology of the People's Republic of China. This standard was drafted. a new era of civil explosive (Liaoning) Co., Ltd., Liaoning Huafeng Min with Chemical Development Co., Ltd., Beijing Allianz States Branch Technology Consulting Co., Ltd., Beijing Beijing Coal Chemical Industry Co., Ltd., Xinjiang Xuefeng civilian blasting equipment limited liability company, Accor Group Mian Yang Industrial Co., Ltd., Xi'an Qinghua civilian blasting equipment Co., Ltd., Shandong Sheng Shi Chemical Co., Ltd., Hebei Yunshan Chemical Group Ltd. Fengfeng civil explosive Branch, Division of thunder Anhui Co., Ltd., China Ordnance Industry Standardization Institute, China blasting equipment firms Industry Association, the National Coal Mine Explosion Safety Products Supervision and Inspection Center. The main drafters of this standard. Zhao Jie, Zhang Yongli, a YANG Zu, Wang Yue, Dong Chunhai, Cao Wenjun, Zhang Chengjun, Gao Xin, Gu Xiaohong, Suixiang Bin, Cheng Zhiping, Zhang Ying, Guojun Guo, Liu Yan Fu, Yun Ling, Han Yonghong, Wang Ya, Yang Shaohua. This standard previously issued as follows. --- GB/T 8031-1987, GB 8031-2005; --- GB/T 16625-1996. Industrial electric detonator

1 Scope

This standard specifies the electrical detonator industrial classification and nomenclature, requirements, test methods, inspection rules and signs, packaging, transportation, storage and so on. This standard applies to industrial electric detonators.

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 190 packaging and marking of dangerous goods GB/T 191 Packaging - Pictorial signs GB/T 2828.1 Sampling procedures - Part 1. batch inspection sampling plan according to accepted quality limit (AQL) retrieval GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test) Analyzing and processing GB /statistical processing and interpretation of normal sample values T 4883-1985 data GB/T 6378 percent nonconforming sampling inspection procedures and charts (Apply to inspection of successive lots) GB/T 8170 repair value expressed about the rules and limit values and judgment GB 9969 Industrial Products General Instructions GB/T 13225 Industrial detonator delay time measuring method GB/T 13226 Test method for industrial detonator grid GB/T 13227 Industrial detonator immersion test method GB/T 14436 General industrial products assurance documents GB/T 14659 civilian blasting equipment terminology, symbols GB/T 18014-2008 electric detonators PVC insulated wire Electric detonators flammable gas safety test method GB 18096 Coal Mine Permissible GA441 industrial detonator General GA921 Civil Explosives warning labels, registration identification General WJ231 vibration test machine WJ/T 9010 industrial detonator corrugated packaging WJ/T 9031 Industrial detonator classification and naming rules WJ/T 9039 Industrial electric detonator angry rushed to test method WJ/T 9042 Industrial electric detonator Electrostatic Sensitivity Test Method WJ/T 9043.1 industrial electric detonators temperature and pressure - Test methods - Part 1. Test temperature WJ/T 9044 Industrial electric detonator minimum firing current measuring method

3 Terms and Definitions

Terms and definitions GB/T 14659 apply to this document defined.

4 Classification and Nomenclature

4.1 Classification of industrial electric detonators Industrial electric detonator use is divided into. a) Ordinary electric detonator; b) Permitted Electric Detonator coal mine; c) seismic exploration electric detonators. 4.2 Industrial electric detonator named Industrial electric detonator shall be named in line with WJ/T 9031 requirements.

5 Requirements

5.1 Appearance 5.1.1 The surface should not have floating medicine, rust, blisters, cracking, incomplete. 5.1.2 Permitted Electric Detonator Mine foot line should be composed of two different colors of insulated wire composition, there should be no wire insulation be damaged and the core wire corrosion. 5.2 Coding Industrial electric detonator coding shall comply with the requirements of GA441. Do not mark paragraph 5.3 Each hair extension electric detonators other segments should be clearly marked area. Coal Mine Permissible extension of electric detonators using foot line segment color area when not, should adopt The colors used are shown in Table 1. Table 1 Coal Mine Permissible extension of electric detonators paragraphs foot line color Block number 12345 Foot line color gray, red gray, yellow gray, blue, green, white, red 5.4 foot line 5.4.1 length tolerance should be ± 5% of the nominal value. 5.4.2 Insulation thinnest point thickness. PVC material shall not be less than 0.3mm; other materials should not be less than 0.25mm. 5.4.3 anti-high-voltage breakdown properties. pass to (5000 ± 50) V AC voltage, continuous 60s, to the leakage current value divided into. insulation class a Level not higher than 0.1mA/m; insulation class II is not higher than 1.2mA/m. 5.5 Material Industrial electric detonator should not use paper envelope; Permitted Electric Detonator coal mine should not use aluminum and its alloys parts. 5.6 Performance 5.6.1 Full resistance 5.6.1.1 When the whole industrial electric detonators resistance less than or equal to 3Ω, relative error should be less than the nominal value ± 25%. 5.6.1.2 When the whole is greater than the resistance 3Ω, relative error should be less than the nominal value ± 15%. 5.6.2 Electrical Properties Electrical performance of industrial electric detonator shall comply with the requirements of Table 2. Table 2 Industrial electric detonator electrical performance project Technical Specifications Ordinary electric detonator, electric detonator Xu Mine Type of Type Ⅰ Ⅱ Ⅲ Seismic exploration electric detonators The maximum non-firing current/A ≥0.20 ≥0.30 ≥0.80 ≥0.20 The minimum firing current/A ≤0.45 ≤1.00 ≤2.50 ≤0.45 Combustion can punch/(A2 · ms) ≥2.0 ≤18.0 80.0 ~ 140.0 0.8 ~ 5.0 SERIES INITIATION current/A ≤1.2 ≤1.5 ≤3.5 ≤3.5 Electrostatic Sensitivity a/kV ≥8 ≥10 ≥12 ≥25 Note. The table in bold mandatory elements. a static sensitivity expressed in feet between the line and the envelope electrostatic withstand voltage. 5.6.3 Seismic Performance After the vibration test, industrial electric detonators should not explode, structural damage, short circuit, open circuit and resistor unstable phenomenon, the whole resistance should meet 5.6.1 requirements. 5.6.4 Initiating Capacity No. 6 industrial electric detonator shall ripped through 4mm thick sheet of lead No. 8 industrial electric detonator shall ripped through 5mm thick sheet of lead perforation diameter should be not less than 7mm. 5.6.5 tensile properties Loss not lower than 19.6N static pull effect lasted 1min, closures and feet line of industrial electric detonators should not occur visual evidence Or bad move, remove the ignition test done, it should explode completely. 5.6.6 water resistance 5.6.6.1 ordinary electric detonators and electric detonators Mine Xu was immersed in water to maintain pressure 0.05MPa 4h, after removing the test do get angry, should burst Fried completely. 5.6.6.2 seismic exploration electric detonator was immersed in water pressure of 0.3MPa maintained 72h, after removing the ignition test done, it should explode completely. 5.6.7 heat resistance 4h kept not lower than 100 ℃ environment, industrial electric detonators should not explode. 5.6.8 flammable gas safety Permitted Electric Detonator detonate when the coal mine at a concentration of 9% of the combustible gas, the gas can not ignite. 5.6.9 Delay Time Extended electric detonator in the name of an extension of time should generally be in line with the requirements of Table 3, the delay time can be negotiated other series with the user. Table 3 in the name of an extension of time series

1 ms series

ms Series 2 ms ms

3 ms series

ms The first series of 4 ms ms 1/4 second series Half a second series Second series 100 12.5 00 12.5 00 12.5 00 0.6 00 0.25 00 0.125 00 0.50 2 25 25 12.6 37.5 25 12.6 37.5 12.637.5 0.6 1.5 1 0.250.126 0.375 0.50 0.26 0.75 1.00 0.51 1.50 350 50 37.6 62.5 37.662.5 37.6 62.5 50 2 1.6 2.5 1.00 0.76 1.25 2.00 0.625 0.500.376 1.51 2.50 475 75 62.6 92.5 62.687.5 62.6 87.5 75 3 2.6 3.5 1.50 1.26 1.75 3.00 0.875 0.750.626 2.51 3.50 5110 92.6 130.0 112.5 87.6 4 3.6 4.5 10087.6112.4100 1.000.876 1.125 2.00 1.76 2.25 4.00 3.51 4.50 6150 130.1 175.0 - - - 125,112.6 137.5 5 4.6 5.5 2.50 2.26 1.375 1.251.126 2.75 5.00 4.51 5.50 7200 175.1 225.0 - - - 150,137.6 162.5 6 5.6 6.5 3.00 2.76 3.25 6.00 1.625 1.501.376 5.51 6.50 8250 225.1 280.0 - - - 175,162.6 187.5 7 6.6 7.5 - - - 3.50 3.26 3.75 7.00 6.51 7.50 9310 280.1 345.0 - - - 200,187.6 212.5 - - - - - - 4.00 3.76 4.25 8.00 7.51 8.50 10380 345.1 420.0 - - - 225,212.6 237.5 - - - - - - 4.50 4.26 4.74 9.00 8.51 9.50 11 460 420.1 505.0 - - - 250237.6 262.5 - - - - - - - - - 10.009.5110.49 12550 505.1 600.0 - - - 287.5 275262.6 - - - - - - - - - - - - 13650 600.1 705.0 - - - 300,287.6 312.5 - - - - - - - - - - - - 14760 705.1 820.0 - - - 337.5 325312.6 - - - - - - - - - - - - 15880 820.1 950.0 - - - 362.5 350337.6 - - - - - - - - - - - - 161020 1110.0 950.1 - - - 387.5 375362.6 - - - - - - - - - - - - 12001110.11300.0 17 - - - 400387.6 412.5 - - - - - - - - - - - - 14001300.11550.0 18 - - - 425412.6 437.5 - - - - - - - - - - - - 17001550.11850.0 19 - - - 450437.6 462.5 - - - - - - - - - - - - 20001850.12149.9 20 - - - 475462.6 487.5 - - - - - - - - - - - - 21 - - - - - - 500487.6 512.4 - - - - - - - - - - - - Note 1. Table 2 ms series Coal Mine Permissible MS Delay time by electric detonators, the series is mandatory. Note 2. In addition to the last paragraph, any period of extension of the electric detonator for the segment size limit on the name of an extension of time and the delay time in the segment nominal value (accurate to this table The number of bits), lower specification limit for the segment in the name of an extension of time and the lower the nominal value of the delay time (accurate to the number of bits in this table) plus a bottom Number; the last paragraph on the extension of electric detonators specification limits of this paragraph on behalf of the delay time difference between the specification limits under this paragraph and, together with the extension of time on behalf of this paragraph. 5.6.10 inverted initiation capability General electric detonators and electric detonators After Coal Mine Permissible vibration test, inverted initiation, the 6th industrial electric detonator shall ripped through 4mm thick sheet of lead on the 8th Industrial electric detonator shall ripped through 5mm thick sheet of lead perforation diameter should be not less than 7mm.

6 Test methods

6.1 Appearance Visual inspection. 6.2 Coding Visual inspection. Allows encoding test and visual inspection merger. 6.3 Do not sign Visual inspection. Do not allow the paragraph mark inspection and visual inspection merger. 6.4 foot line 6.4.1 Length. 1mm by dividing the value of the ruler to measure. 6.4.2 Insulation thinnest point thickness. Press 18014-2008 in 6.1.2 with GB/T performed. Each of the three foot line measurement, measurement point spacing Not less than 300mm, the arithmetic average of two foot line measured values as a measurement result. 6.4.3 anti-high-voltage breakdown properties. Cut foot detonator cord, which is wound into a spiral into a beaker containing 3% sodium chloride aqueous solution, the pass In (5000 ± 50) V AC voltage, continuous 60s, measured leakage current value, and in terms of leakage current per unit length to mA/m. 6.5 Full resistance With a resolution of not less than 0.1Ω, measuring current less than 30mA of resistance measuring instrument and the sample foot cable connected in the resistance measuring instrument Read the value on the work of state resistance and resistance measuring instrument recording. 6.6 Maximum current misfire Through the sample to meet the requirements of Table 2 of constant DC current (with a resolution of no less than the current measuring instrument measuring 0.01A), continued 5min, observe whether the sample explosion, and record the test results. Allow the test sample after the series. 6.7 The minimum firing current Conducted in accordance with WJ/T 9044's. 6.8 Combustion can punch Conducted in accordance with WJ/T 9039's. 6.9 Initiating current series Connect the 20 rounds of the sample series, through a constant DC current requirements in accordance with Table 2 (with a resolution of not less than 0.05A current measuring instrument Measurement), the duration of not less than 20ms, to observe whether the sample explosive, and record the test results. 6.10 Electrostatic Sensitivity 6.10.1 ordinary electric detonators and electric detonators Coal Mine permissible according to the provisions WJ/T 9042's. Wherein. the role of discharge from the capacitor capacity 2000pF, series resistance 0kΩ. 6.10.2 electric detonators geological exploration conducted in accordance with WJ/T 9042's. Wherein. the role of discharge from the capacitance of the capacitor is 500pF, string Union resistance is 5kΩ. 6.11 Seismic Performance The method will be defined by the level of 6.5 full inspection WJ231 resistance sample into line with the requirements, the cam speed is 60r/min ± 1r/min, drop height 150mm ± 2mm wooden central vibration test machine, the vibration test machine wooden plugged the gap, pressed cover, Continuous vibration 10min, remove the sample checked by the method 6.5 full resistance of the sample, read and record the value. 6.12 Initiating Capacity 6.12.1 according to the provisions of GB/T 13226 were; 6.12.2 allows the use of other test methods; 6.12.3 allows initiating the series of current and deferred time trial merger. 6.13 Tensile Properties Applying a corresponding pair of lines between the sample housing and reverse foot line static tension, sustained 1min, remove the sample visual inspection and test records result. 6.14 water resistance Conducted in accordance with GB/T 13227 of. 6.15 heat resistance Conducted in accordance with WJ/T 9043.1 of. 6.16 flammable gas safety Conducted according to the provisions of GB 18096. 6.17 Delay Time According to the provisions of GB/T 13225 conducted, wherein. time meter resolution is not less than 0.1ms; detonating current (constant DC current) Ⅰ type is 1.2A; Ⅱ type is 1.5A; Ⅲ type is 3.5A. Extended time measurement Supplementary Regulations Appendix A. 6.18 inverted initiation capability The horizontal grid within the grid holder, the sample was fixed to an explosion inside the detonator holder, and make it perpendicular to the lower inverted grid side Central location, close to the bottom of the grid (see Appendix B), will be connected to the foot line of the sample and detonating wires, through to meet the requirements of Table 2. The constant straight Current flow, after initiation, detection stereotype perforation diameter, and record the test results.

7 Inspection rules

7.1 Inspection classification Industrial electric detonator inspection into the factory inspection and type testing. 7.2 Test Project 7.2.1 factory inspection Industrial electric detonator factory inspection items are shown in Table 4. Table 4 Industrial electric detonator factory inspection items Test item number General electric detonators and electric detonators Mine Xu seismic exploration electric detonators Batch test cycle test required Reg number Testing method The reg number Batch test cycle test required Reg number Testing method The reg number 1 Appearance √ - 5.1 6.1 √ - 5.1 6.1 2 encoding √ - 5.2 6.2 √ - 5.2 6.2 Do not mark paragraph 3 √ - 5.3 6.3 √ - 5.3 6.3 4 foot cord length - √ 5.4.1 6.4.1 - √ 5.4.1 6.4.1 5 foot wire insulation thickness of the thinnest point - √ 5.4.2 6.4.2 - √ 5.4.2 6.4.2 6 foot line anti-high voltage breakdown performance - - 5.4.3 6.4.3 - - 5.4.3 6.4.3 7 Full resistance √ - 5.6.1 6.5 √ - 5.6.1 6.5 8 Maximum current misfire - √ 5.6.2 6.6 √ - 5.6.2 6.6 9 minimum firing current - - 5.6.2 6.7 - - 6.7 5.6.2 10 angry red can - - 5.6.2 6.8 - - 6.8 5.6.2 11 SERIES INITIATION current √ - 5.6.2 6.9 √ - 5.6.2 6.9 12 electrostatic sensitivity - - 5.6.2 6.10 - √ 5.6.2 6.10 13 seismic performance √ - 5.6.3 6.11 √ - 5.6.3 6.11 14 Initiating Capacity √ - 5.6.4 6.12 √ - 5.6.4 6.12 15 tensile properties - √ 5.6.5 6.13 - √ 5.6.5 6.13 16 water resistance - √ 5.6.6 6.14 - √ 5.6.6 6.14 17 temperature resistance - - 5.6.7 6.15 - - - - 18 flammable gas safety - - 5.6.8 6.16 - - - - 19 Delay Time √ - 5.6.9 6.17 √ - 5.6.9 6.17 Invert the initial capacity 20 - - 5.6.10 6.18 - - - - Note. "√" indicates will review the project, "-" indicates no items seized. 7.2.2 Type inspection Industrial electric detonator type inspection items are shown in Table 5. Table 5 Industrial electric detonator type inspection items No. Project General electric detonators and electric detonators Mine Xu seismic exploration electric detonators Test items required Reg number Testing Methods Reg number Test items required Reg number Testing Methods Reg number 1 Appearance √ 5.1 6.1 √ 5.1 6.1 2 encoding √ 5.2 6.2 √ 5.2 6.2 Do not mark paragraph 3 √ 5.3 6.3 √ 5.3 6.3 4 foot length √ 5.4.1 6.4.1 √ 5.4.1 6.4.1 5 foot wire insulation thickness of the thinnest point √ 5.4.2 6.4.2 √ 5.4.2 6.4.2 6 foot line anti-high voltage breakdown performance √ 5.4.3 6.4.3 √ 5.4.3 6.4.3 7 Full resistance √ 5.6.1 6.5 √ 5.6.1 6.5 8 Maximum misfire current √ 5.6.2 6.6 √ 5.6.2 6.6 9 minimum firing current √ 5.6.2 6.7 √ 5.6.2 6.7 10 angry red can √ 5.6.2 6.8 √ 5.6.2 6.8 11 SERIES INITIATION current √ 5.6.2 6.9 √ 5.6.2 6.9 12 electrostatic sensitivity √ 5.6.2 6.10 √ 5.6.2 6.10 13 seismic performance √ 5.6.3 6.11 √ 5.6.3 6.11 14 Initiating Capacity √ 5.6.4 6.12 √ 5.6.4 6.12 15 tensile properties √ 5.6.5 6.13 √ 5.6.5 6.13 16 water resistance √ 5.6.6 6.14 √ 5.6.6 6.14 17 heat resistance √ 5.6.7 6.15 - - - 18 flammable gas safety √ 5.6.8 6.16 - - - 19 Delay Time...

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