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GB/T 26917-2011 PDF English

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GB/T 26917-2011: Determination method of filter aiding effect of flocculants in vacuum filtration system
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GB/T 26917-2011English299 Add to Cart 3 days [Need to translate] Determination method of filter aiding effect of flocculants in vacuum filtration system

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Basic data

Standard ID GB/T 26917-2011 (GB/T26917-2011)
Description (Translated English) Determination method of filter aiding effect of flocculants in vacuum filtration system
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D27
Classification of International Standard 73.040
Word Count Estimation 13,151
Date of Issue 2011-09-29
Date of Implementation 2012-03-01
Quoted Standard GB/T 212; GB/T 477; GB/T 18712; MT/T 808
Adopted Standard ISO 10086-2-2004, MOD
Regulation (derived from) National Standards Bulletin 2011 No. 14
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 coal slurry vacuum filtration system filter aid coagulant effect method. This standard applies to CPP flotation, flotation tailings and native slime vacuum filtration flocculant filter aids determination of properties.

GB/T 26917-2011: Determination method of filter aiding effect of flocculants in vacuum filtration system




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Dtermination method of filter aiding effect of flocculants in vacuum filtration system ICS 73.040 D27 National Standards of People's Republic of China Vacuum filtration system filter aid coagulant effect test methods (ISO 10086-2.2004, MOD) Issued on. 2011-09-29 2012-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This revised standard adopts ISO 10086-2.2004 "Coal Preparation Plant with flocculant evaluation methods - Part 2. rotary vacuum filter system EC flocculant used as filter aids. " This standard adopts ISO 10086-2.2004 when the technical content adjustments were made, the main technical differences and the reasons given in Appendix B. Main technical inside Yung differences are as follows. --- Define the scope of the standard; --- Normative references cited in all of our current valid standards; --- Redefined the method of taking the test sample; --- Increased slime water characteristics measuring method; --- Increasing the calculation method of the cake moisture; --- Remove the rotary vacuum drum and disc vacuum filter immersion, drying and cake discharge schematic; --- Deleted instance flocculant dosage calculation; --- In Appendix A to the "standard reg number and ISO 10086-2.2004 reg number control"; --- The Appendix B to the "Standard and ISO 10086-2.2004 technical differences and their reasons." This standard Normative documents correspondence between consistency of the following documents. GB/T 212 industrial analysis of coal (GB/T 212-2008, ISO 1171.1997, NEQ) GB/T 477 coal screening test method (GB/T 477-2008, ISO 1953.1994, MOD) GB/T 18712 PREPARATION flocculant performance test method (GB/T 18712-2002, ISO 10086-1.2000, NEQ) This standard made the following editorial changes. --- Replace the original Appendix B Appendix C; --- Added Appendix D. The standard proposed by China Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. Tangshan Coal Science Research Institute. The main drafters of this standard. Yang Junli, Cao Xue-Zhang, Lize Pu, Guoxiu Jun, Du Huantong. Vacuum filtration system filter aid coagulant effect test methods

1 Scope

This standard specifies the method for determination of coal slurry by vacuum filtration system flocculant filter aid effect. This standard applies to coal preparation plant flotation, flotation tailings when measured coal and primary slime vacuum filtration filter aid flocculant performance.

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 212 industrial analysis of coal (GB/T 212-2008, ISO 1171.1997, NEQ) GB/T 477 coal screening test method (GB/T 477-2008, ISO 1953.1994, MOD) GB/T 18712 PREPARATION flocculant performance test method (GB/T 18712-2002, ISO 10086-1.2000, NEQ) MT/T 808 Coal technical inspection Principle 3 The amount of flocculant solution into the beaker containing the sample of coal slurry. Filter filtration after flocculation of coal slurry, and the resulting The filter cake was weighed, the cake was dried and then weighed. Yield and water through the filter cake to evaluate the effect of filter aids flocculants.

4 instruments and equipment

4.1 Test with a vacuum pump 1, ultimate vacuum 0.5 × 105Pa; 4.2 vacuum gauge 1. Accuracy ± 5%; 4.3 plug door 2. Path not less than 2mm; 4.4 glass beaker. 1L, 50mL; 4.5 vacuum flask 1. volume of 500mL; 4.6 Filter 1. composed by the filter plates and filter cloth, shown in Figure 1; 4.7 tube. glass or plastic; 4.8 electric mixer 2. rotational speed 0r/min ~ 1000r/min; 4.9 Syringe. 1mL, 2mL, 5mL, 10mL and 50mL; 4.10 cylinder. volume 1L, indexing is 10mL; 4.11 ruler. dividing the value of 1mm; 4.12 enamel tray. 1; 4.13 Taiwan oven 1. temperature control range of 25 ℃ ~ 200 ℃; 4.14 1 set electronic balance. the largest weighing 2kg, a sense of the amount of 10mg; 4.15 timer Taiwan. ...

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