Natural gas specification GOST 5542 87. State standard of the USSR
The goals, basic principles and basic procedure for carrying out work on interstate standardization are established by GOST 1.0-92 “Interstate standardization system. Basic Provisions” and GOST 1.2-2009 “Interstate Standardization System. Interstate standards, rules and recommendations for interstate standardization. Rules for the development, adoption, application, updating and cancellation "
Summary of the standard
1. DESIGNED BY SOCIETY limited liability"Scientific Research Institute of Natural Gases and Gas Technologies - Gazprom VNIIGAZ"
2. INTRODUCED by the Interstate Technical Committee for Standardization MTK 52 "Natural Gas"
3. ADOPTED by the Interstate Council for Standardization, Metrology and Certification (Minutes of May 30, 2014 N 67-P)
4. By order of the Federal Agency for Technical Regulation and Metrology dated October 9, 2014 No. 1289-st, the interstate standard GOST 5542-2014 was put into effect as a national standard Russian Federation from July 1, 2015
5. REPLACE GOST 5542-87
Information about changes to this standard is published in the annual information index "National Standards". and the text of!Insights and amendments - in the monthly information index in the National Standards. In the event of a revision (replacement) or cancellation of this standard, a corresponding notice will be published in the monthly information index to the National Standards. Relevant information, notification and texts are also placed in information system general use - on the official website of the Federal Agency for Lyukhnich regulation and metrology on the Internet
Introduction date - 2015—07—01
1 area of use
This standard applies to natural combustible gases supplied to gas distribution systems and used as raw materials and fuels for industrial and domestic purposes.
2. Regulatory references
This standard uses Normative references to the following interstate standards:
GOST 8.586.5-2005 State system ensuring the uniformity of measurements. Measurement of flow and quantity of liquids and gases using standard orifice devices. Part 5. Measurement procedure
GOST 12.0.004-90 Occupational safety standards system. Organization of labor safety training. General provisions
GOST 12.1.005-88 System of labor safety standards. General sanitary and hygienic requirements for the air of the working area
GOST 12.1.007-76 Occupational safety standards system. Harmful substances. Classification and general safety requirements
GOST 12.1.019-79 Occupational safety standards system. Electrical safety. General requirements and nomenclature of types of protection"
GOST 12.1.044-89 (ISO 4589-84) Occupational safety standards system. Fire and explosion hazard of substances and materials. Nomenclature of indicators and methods for their determination
GOST 12.2.020-76 Occupational safety standards system. Vary-proof electrical equipment. Terms and Definitions. Classification. Marking
GOST 17.2.3.02-78 Nature protection. Atmosphere. Rules for establishing permissible emissions of harmful substances by industrial enterprises
GOST 10062-75 Combustible natural gases. Method of determination specific heat combustion GOST 17310-2002 Gases. Pycnometric method for determining density GOST 20060-83 Combustible natural gases. Methods for determining the content of water vapor and moisture dew point
GOST 20061-84 Combustible natural gases. Hydrocarbon Dew Point Method
GOST 22387.2-97 Combustible natural gases. Methods for the determination of hydrogen sulfide and mercaptan sulfur
GOST 22387.4-77 Gas for domestic consumption. Method for determination of tar and dust content
GOST 22387.5-77 Gas for domestic consumption. Methods for determining the intensity of odor
GOST 22782.0-81 Explosion-proof electrical equipment. General technical requirements and test methods
"On the territory of the Russian Federation, GOST R 12.1.019-2009 "The system of safety standards is in force. Electrical safety. General requirements and nomenclature of types of protection."_ Official publication 1
GOST 22782.5-78 Explosion-proof electrical equipment with type of explosion protection. "Intrinsically safe electrical circuit". Technical requirements and test methods
GOST 22782.6-81 Explosion-proof electrical equipment with type of explosion protection. "Blast-Proof Shell". Technical requirements and test methods
GOST 27193-86 Combustible natural gases. Method for determining the calorific value of a water calorimeter
GOST 31369-2008 (ISO 6976:1995) Natural gas. Calculation of calorific value, density, relative density and Wobbe number based on component composition
GOST 31370-2008 (ISO 10715:1997) Natural gas. Guidelines for sampling GOST 31371.1-2008 (ISO 6974-1:2000) Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 1. Guidance for conducting the analysis
GOST 31371.2-2008 (ISO 6974-2:2001) Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 2. Characteristics of the measuring system and statistical evaluation of data
GOST 31371.3-2008 (ISO 6974-3:2000) Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 3. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to CB using two packed columns
GOST 31371.4-2008 (ISO 6974-4:2000) Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 4. Determination of nitrogen, carbon dioxide and hydrocarbons C (-C5 and C6. in the laboratory and using an integrated measuring system using two columns
GOST 31371.5-2008 (ISO 6974-5:2000) Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 5. Determination of nitrogen, carbon dioxide and hydrocarbons C, -C5 and C6. in the laboratory and under continuous control using three columns
GOST 31371.6-2008 (ISO 6974-6:2002) Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 6. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons С,-С8 using three capillary columns
GOST 31371.7-2008 Natural gas. Determination of composition by gas chromatography with uncertainty assessment. Part 7. Method for performing measurements of the mole fraction of components If the reference standard is replaced (modified), then when using this standard, you should be guided by the replacing (modified) standard. If the referenced standard is canceled without replacement, the provision in which the reference to it is given applies to the extent that this reference is not affected.
3 Terms and definitions
This standard uses terms according to GOST 31369. GOST 31370, recommendations. as well as the following term with the corresponding definition:
3.1 combustible natural gas; natural gas; GGP; A gaseous mixture consisting of methane and heavier hydrocarbons, nitrogen, carbon dioxide, water vapor, sulfur compounds, inert gases.
Notes
1. Methane is the main component of GGP.
2. HGP usually also contains trace amounts of other components.
4 Technical requirements
4.1 In terms of physical and chemical parameters, GGP must comply with the requirements and standards given in Table 1.
4.2 Symbol GGP; “Combustible natural gas for industrial and domestic purposes. GOST 5542-2014.
Table 1. Physical and chemical parameters of GGP for industrial and domestic purposes
| Name of indicator | Norm | Test method |
|---|---|---|
| 1 Component composition, mole fraction. % | Not standardized. Definition required | |
| 2 Net calorific value at standard conditions. MJ/m3 (kcal/m3). at least | 31.80 (7600) | According to 8.2 |
| 3 Range of values of the Wobbe number (highest) under standard conditions. MJ/m3 (kcal/m3) | From 41.20 to 54.50 (from 9840 to 13020) | According to GOST 31369 |
| 4 Deviation of the Wobbe number from the nominal value.% | ±5 | * |
| 5 Mass concentration of hydrogen sulfide, g/m", not more than | 0.020 | According to 8.3 |
| 6 Mass concentration of mercaptan sulfur. g/m1, no more | 0.036 | According to 8.3 |
| 7 Molar fraction of oxygen. %. no more | 0.050 | According to GOST 31371.1 - GOST 31371.3. GOST 31371.6. GOST 31371.7 |
| 8 Mole fraction of carbon dioxide. %. no more | 2.5 | According to GOST 31371.1 - GOST 31371.7 |
| 9 Water dew point temperature at sampling point pressure. °С | According to 8.4 | |
| 10 Hydrocarbon dew point temperature at sampling point pressure. °С | Below the GWP temperature at the sampling point | According to 8.5 |
| 11 Mass concentration of mechanical impurities, g/m3, not more than | 0.001 | According to GOST 22387.4 |
| 12 Density at standard conditions. kg/ml | Not standardized, definition required | According to 8.6 |
| 13 Intensity of the smell of HGP at a volume fraction of 1% in the air, points, not less than | 3 | According to GOST 22387.5 |
Notes
1. Standard conditions for measurements and calculations of indicators 2, 3 and 12 - in accordance with GOST 31369 (table P.1).
2. When calculating indicators 2 and 3, 1 cal is taken equal to 4.1868 J.
3. In the Russian Federation, the standard temperature when bringing the volume of HGP to standard conditions is 20 °C.
4. Indicators 2-4 apply only to GGP. used as fuel.
5. The nominal value of the Wobbe number is set within the norm of indicator 3 for individual gas distribution systems in agreement with the consumer.
6. If the value of any of the indicators 5. 6. 11 during the year does not exceed 0.001 g/m1, then in the future this indicator is determined at least once a year by agreement between the supplier and the consumer.
7. By agreement with the consumer, it is allowed to supply GHF for energy purposes with a higher mass concentration of hydrogen sulfide and mercaptan sulfur through separate gas pipelines.
8. By agreement with the consumer, it is allowed to supply GGP with a higher molar fraction of carbon dioxide through separate gas pipelines.
9. For GGP. in which the content of hydrocarbons C", N|C1 does not exceed 1.0 g / m ', the indicator 10 is allowed not to be standardized.
10. Indicator 13 applies only to GGPs for domestic purposes.
11. For GGP industrial use indicator 13 is set in agreement with the consumer.
12. The HGP temperature at the sampling point is determined according to GOST 8.586.5. In the Russian Federation, the determination of the HGP temperature is also carried out according to the standard. autoignition temperature (for methane) - 537 °C according to the standard (6).
5.7. When taking and transporting samples, as well as conducting laboratory tests, GGP comply with the electrical safety rules in accordance with GOST 12.1.019.
Note- There is a standard in the Russian Federation.
5.8. Those working with GGP must be trained in labor safety rules in accordance with GOST 12.0.004.
5.9. Sanitary and hygienic requirements for microclimate indicators and the permissible content of harmful substances in the air of the working area must comply with GOST 12.1.005.
5.10. All measuring instruments used in explosive areas, must comply with the requirements of explosion safety and have the appropriate types of explosion protection in accordance with GOST 12.2.020. GOST 22782.0. GOST 22782.5. GOST 22782.6.
Note- In the Russian Federation, when working with HGP, they also comply with the requirements - (16).
6. Requirements for environmental protection
Rules for establishing permissible GHF emissions into the atmosphere - according to GOST 17.2.3.02.
Note - In the Russian Federation, when working with HGP, they also comply with the requirements for protection environment specified in sanitary rules and norms.
7. Acceptance rules
7.1. GGP acceptance is carried out when gas is transferred from the supplier to the consumer in the manner prescribed in the relevant agreement. During acceptance, tests are carried out for compliance with the GGP requirements of this standard.
7.2. GGP tests are carried out according to the indicators indicated in table 1.
7.3. The place of testing in each case is established in an agreement between the parties (supplier and consumer), based on the terms of delivery of the GGP. The frequency of sampling for testing is established in accordance with GOST 31370 (subsection 4.2). The frequency of density measurements to determine the GHF flow rate is determined according to GOST 8.586.5 (subclause 6.4 2.4).
7.4. GGP test methods - in accordance with table 1 and section 8.
7.5. If, according to the test results, the quality of GGP does not meet the requirements of this standard, then repeated tests are carried out for indicators for which negative results are obtained. The results of repeated tests are considered final.
7.6. If there are several methods for determining the GGP quality indicator, then repeated tests are carried out by the method indicated as arbitration.
7.7. The test results are extended to the amount of GWP. transferred by the supplier to the consumer, for the period between this and subsequent tests.
GOST 5542-2014
Notes
1. If necessary, the results of GGP tests are reflected in the quality document (quality certificate).
3. It is allowed to attach to the quality document (quality certificate) test reports for individual indicators, drawn up in any order.
7.8 If disagreements arise between the parties on at least one of the GGP quality indicators, joint control tests of the GGP on this indicator with the participation of representatives of the parties competent in the field of determining this GGP quality indicator.
7.9 Results control tests drawn up in the form of an act, one copy for each party participating in the test. The required originals or copies of documents may be attached to the act. The act is signed by all representatives of the parties, after which it is prohibited to make changes or additions to it. Representatives who do not agree with the content of the act have the right to express their dissenting opinion in writing. The dissenting opinion is attached to the act and considered in the working order.
7.10 If, after the joint control tests, there are disagreements between the parties on the indicator (indicators) of the GGP quality, then they are resolved by conducting an independent test. The test is carried out by a third-party independent organization accredited to conduct tests for this indicator. The test is carried out at the initiative of both parties or one of them. The results of the test are drawn up in an act signed by all parties and considered final.
7.11 If the GGP quality does not comply with the requirements of this standard, the supplier, on the basis of the act, organizes the development and approves an action plan to eliminate the identified violations, taking into account the recommendations set out in the act. A copy of the action plan is sent to the consumer. If, for objective reasons, the activities of the plan are not completed within the agreed time frame, the supplier notifies the consumer of the reasons for their non-fulfillment and the measures taken, indicating the timing of their implementation.
7.12 The procedure for resolving disagreements on GGP quality indicators is established in agreements between the supplier and the consumer.
8. Test methods
8.1. Sample selection
GHP sampling is carried out in accordance with the requirements of GOST 31370.
8.2. Determination of net calorific value under standard conditions
8.2.1 Definition lower heat combustion under standard conditions is carried out according to GOST 10062. GOST 27193 or GOST 31369.
8.2.2 In the event of disagreement on the values of this indicator, the method set forth in GOST 31369 is the arbitration method.
8.3. Determination of the mass concentration of hydrogen sulfide and mercaptan sulfur
8.3.1 Determination of the mass concentration of hydrogen sulfide and mercaptan sulfur in HGP is carried out according to GOST 22387.2.
8.3.2 In the event of disagreement on the values of these indicators, the photocolorimetric method set forth in GOST 22387.2 is the arbitration method.
Note- In the Russian Federation, the determination of the mass concentration of hydrogen sulfide and mercaptan sulfur is also carried out according to the standard (18). In case of disagreement on the values of these indicators in the Russian Federation, the method set out in the standard (18) is arbitrated.
8.4. Determination of the dew point temperature for water at pressure at the sampling point
8.4.1 Determination of the dew point temperature for water TTRa at pressure at the sampling point is carried out in accordance with GOST 20060.
Note- In the Russian Federation, the definition of TTR. carried out according to the standard (19).
8.4.2 In case of disagreement on the values of this indicator, the condensation method established in GOST 20060 is used as arbitration.
Note- In case of disagreement on the values of this indicator in the Russian Federation, the visual condensation method, set out in the standard (19), is the arbitration method.
8.4.3 The quality of GGP complies with the requirements of this standard in terms of TTP; in the event that the result of measuring the TFR B is lower than the HGP temperature by at least the value ∆t1, ºC calculated by the formula
∆t 1 =│∆tr│+│∆TTP B │ (1)
where│∆tr│ is the absolute value of the error of the gas turbine temperature measuring instrument, ºС;
│∆TTPB│ is the absolute value of the error of the TTP B measuring instrument, °С.
Note- When carrying out measurements of SSR. by visual condensation method according to the standard for │∆TTPB│ take the corresponding value of the confidence limits of the error ∆K, (without taking into account the sign), specified in the standard (table 1).
8.5. Determination of the hydrocarbon dew point temperature at the pressure at the sampling point
8.5.1 Determination of the dew point temperature for hydrocarbons (TPP>B) at pressure at the sampling point is carried out according to GOST 20061.
Note- In the Russian Federation, the determination of TTR HC is carried out according to the standard. In the event of disagreement on the values of this indicator in the Russian Federation, the visual method set forth in the standard is the arbitration method.
8.5.2 The quality of the gas turbine complies with the requirements of this standard in terms of TTP of the hydrocarbon in the event that the measurement result of the TTP of the hydrocarbon is lower than the temperature of the gas turbine by at least ∆t 2 , °С, calculated by the formula
∆t 2 =│∆t r │+│∆TTR SW │ (2)
where │∆ ТTRУВ │ is the absolute value of the error of the instrument for measuring the ТTR HC, °С.
Note- When measuring TTR HC by the visual method according to the standard, │∆ТTR HC │ is taken as the corresponding value of the confidence limits of the error ∆k (without taking into account the sign) specified in the standard (Table 1).
8.6. Density determination under standard conditions
8.6.1 Determination of the density of HGP under standard conditions is carried out according to GOST 17310 or GOST 31369.
8.6.2 In the event of disagreement on the values of this indicator, the method set forth in GOST 31369 is the arbitration method.
Note- When determining the GGP quality indicators, it is allowed to use other certified in in due course measurement methods that are not inferior in their characteristics to the methods specified in this section.
9. Transportation
GGP transportation is carried out through distribution pipelines through gas distribution stations and points. Gas can be supplied to consumers directly from field treatment plants, gas processing plants, main gas pipelines and underground storage facilities through gas distribution stations and points.
10. Manufacturer's warranties
The supplier guarantees that the GGP quality complies with the requirements of this standard based on the test results for the period until the next test.
Appendix A (recommended). The form of the document on the quality (quality passport) of combustible natural gas
Name of the society or organization that issued the passport
QUALITY PASSPORT №_
Combustible natural gas, GOST 5542 - 2014 OKP code 02 7110
Supplier Legal address
Date (period) of delivery
Date (period) of sampling
Sampling location
Date (period) of testing
Test results of combustible natural gas
Conclusion:
On the compliance of natural combustible gas with the requirements of this standard
Responsible for testing ____________________ /Signature decoding/
Date: "__"_______________201_ M.P.
Bibliography
OAO Gazprom Standard STO Gazprom 5.2-2005 Ensuring uniformity of measurements. Consumption and quantity of natural gas. Methodology for performing measurements with ultrasonic flow transducers
Rules for metrology PR 50.2.019-2006 State system for ensuring the uniformity of measurements. Methodology for performing measurements using turbine, rotary and vortex meters Maximum permissible concentrations (MPC) of harmful substances in the air of the working area
GN 2.2.5.1313-03 Hygienic standards of the Ministry of Health of Russia Maximum permissible concentrations (MPC) of harmful substances in the air of the working area
(5) GOST R 51330.5-99 Explosion-proof electrical equipment. Part 4: Method for determining the ignition temperature (IEC 60079-4-75)
(6) GOST R 51330.19-99 Explosion-proof electrical equipment. Part 20: Data on combustible gases and vapors relevant to the operation of electrical equipment
GOST R 12.1.019-2009 Occupational safety standards system. Electrical safety. General requirements and nomenclature of types of protection (IEC 60079-20-96)
GOST R 51330.0-99 (IEC 60079-0-98) Explosion-proof electrical equipment. Part 0. General requirements
GOST R 51330.1-99 (IEC 60079-1 -98) Explosion-proof electrical equipment. Part 1: Explosion protection type "flameproof enclosure"
GOST R 51330.10-99 (IEC 60079-11-99) Explosion-proof electrical equipment. Part 11: Intrinsically Safe Electrical Circuit i
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