GB 50019-2015 English PDFUS$649.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 50019-2015: Design code for heating ventilation and air conditioning of industrial buildings Status: Valid GB 50019: Historical versions
Basic dataStandard ID: GB 50019-2015 (GB50019-2015)Description (Translated English): Design code for heating ventilation and air conditioning of industrial buildings Sector / Industry: National Standard Classification of Chinese Standard: P45 Classification of International Standard: 91.140.30 Word Count Estimation: 330,391 Date of Issue: 2015-05-22 Date of Implementation: 2016-02-01 Older Standard (superseded by this standard): GB 50019-2003 Quoted Standard: GB 50016; GB 50028; GB 50041; GB 50116; GB 50126; GB 50243; GB/T 4200; GB/T 1576; GB/T 8175; GB/T 14294; GB/T 14295; GB 16423; GB 16297; GB 17167; GB/T 18049; GB 19576; GB/T 20841; GB/T 29044; JG/T 286 Regulation (derived from): Ministry of Housing and Urban-Rural Development Announcement No.822 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Summary: This standard is applicable to the heating, ventilation and air conditioning design of industrial buildings and structures newly built, expanded and remodeled. This standard does not apply to heating, ventilation and air conditioning design of buildings, clean rooms and temporary buildings with special applications, special cleaning and special protection requirements. GB 50019-2015: Design code for heating ventilation and air conditioning of industrial buildings---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.1 General 1.0.1 This specification is formulated for industrial enterprises to improve working conditions, increase labor productivity, ensure product quality and personal safety, adopt advanced technology in heating, ventilation and air conditioning design, rationally utilize and save energy and resources, and protect the environment. 1.0.2 This code is applicable to the heating, ventilation and air conditioning design of new, expanded and reconstructed industrial buildings and structures. This specification does not apply to the heating, ventilation and air conditioning design of buildings with special purposes, special purification and special protection requirements, clean workshops and temporary buildings. 1.0.3 The heating, ventilation and air conditioning design scheme should be based on the requirements of the production process, the purpose and function of the building, the use requirements, the composition characteristics of the cooling and heating loads, the environmental conditions, and the energy status, combined with the current national health, safety, energy saving, and environmental protection. The principles and policies, etc., will be determined through comprehensive technical and economic comparisons in conjunction with relevant majors. New technologies, new processes, new equipment, and new materials should be adopted in the design. 1.0.4 In the design of heating, ventilation and air conditioning, the construction and acceptance requirements and the relevant construction and acceptance specifications that should be implemented should be specified. When there are special requirements for construction and acceptance, it shall be stated in the design documents. 1.0.5 The heating, ventilation and air conditioning design of industrial buildings shall not only comply with this specification, but also comply with the current relevant national standards. 2 terms 2.0.1 Industrial building A collective term for production plants, warehouses, public auxiliary buildings, and living and administrative auxiliary buildings. 2.0.2 activity area activity area This code specifically refers to the activity area of people in the building, and generally refers to the space within 3m from the ground, floor or operating platform. 2.0.3 work site work site Posts or work places where personnel often or regularly stay for professional activities or production management. 2.0.4 Explosive gas atmosphere explosive gas atmosphere Under atmospheric conditions, a mixture of gas, vapor or mist combustible substances and air, after ignition in the mixture, the combustion will spread throughout the environment of the unburned mixture. 2.0.5 dry-type collection The collected dust or smoke is in a dry state, and the dust removal method does not increase the moisture content. 2.0.6 wet separation The dust removal method in which the collected dust or smoke is in the form of mud. 2.0.7 Technological air conditioning industrial air conditioning system Refers to the air conditioning system that mainly meets the requirements of the production process, supplemented by personnel comfort, and has high requirements for indoor temperature, humidity, and cleanliness. 2.0.8 comfort air conditioning The air conditioner is set up to meet the needs of people's work and life. 2.0.9 zoning two-pipe water system According to the load characteristics of the building, the air-conditioning waterway is divided into two two-pipeline systems for cold water and hot and cold water. 2.0.10 Two fluid humidification two fluid humidification A technology that uses compressed air to atomize water and use fine water mist to humidify the air. 2.0.11 mine air conditioning mine air conditioning In mines in severe cold and cold areas, in order to prevent freezing of the wellhead in winter or to maintain a certain ambient temperature on the working surface, the technology of heating the mine inlet air; and in hot or deep wells with high original rock temperature, in order to maintain a certain temperature Ambient temperature, artificial refrigeration and air-conditioning cooling technology for mines. 3 basic rules3.0.1 The thermal comfort evaluation of the indoor environment of a building shall comply with the relevant provisions of the current national standard "Measurement of PMV and PPD Indexes in Moderate Thermal Environments and Regulations on Thermal Comfort Conditions" GB/T 18049, and the estimated average thermal sensation index (PMV) value should be greater than or equal to -1, and should be less than or equal to 1, and the value of the percentage of predicted unsatisfactory (PPD) should be less than or equal to 27%. 3.0.2 Heat insulation and cooling measures should be taken in high-temperature workplaces. High-temperature workplaces should comply with the relevant provisions of the current national standard "Classification of High-temperature Work" GB/T 4200, and the working environment should be classified and evaluated. 3.0.3 Heating, ventilation and air conditioning equipment should be selected according to the design working conditions. 3.0.4 In the design of heating, ventilation and air-conditioning systems, necessary space for installation, operation and maintenance of equipment, pipes and fittings shall be reserved, and holes for installation and maintenance shall be reserved in the building design. For large equipment and pipelines, transportation channels and lifting facilities should be provided. 3.0.5 In the design of heating, ventilation and air conditioning, safety protection measures should be taken for equipment and pipelines that may cause human injury 3.0.6 For projects located in earthquake areas or collapsible loess areas, anti-seismic and anti-subsidence measures should be taken in the design of heating, ventilation and air conditioning as required. 3.0.7 The water quality of the heating and air-conditioning system shall comply with the relevant provisions of the current national standard "Water Quality of Industrial Boilers" GB/T 1576 or "Water Quality of Heating and Air-Conditioning Systems" GB/T 29044. 3.0.8 Ventilation, air-conditioning and refrigeration equipment shall be equipped with backup equipment under the following circumstances. 1 Anti-virus and explosion-proof ventilation equipment, when the equipment stops running will cause safety accidents, or when the equipment is only allowed to stop running for a short time; 2 Ventilation, air-conditioning and refrigeration equipment, if the equipment stops running, it will cause abnormal operation of the process system in the burdened area, and will cause economic losses or even accidents, when the damage is serious. 3.0.9 Steam condensate should be recycled. 3.0.10 When the technical and economic conditions are reasonable for heating, ventilation and air-conditioning systems, waste heat should be recovered. 3.0.11 For heating, ventilation, and air-conditioning water system equipment, pipes and their components, the working pressure shall not exceed the allowable pressure.4 Indoor and outdoor design calculation parameters4.1 Design parameters of indoor air 4.1.1 The indoor design temperature in winter shall be adopted according to the purpose of the building, and shall comply with the following regulations. 1 The design temperature of the working places of production plants, warehouses and public auxiliary buildings shall be determined according to the labor intensity, and shall meet the following requirements. 1) 18°C-21°C for light labor, 16°C-18°C for moderate labor, 14°C-16°C for heavy labor, and 12°C-14°C for extremely heavy labor; 2) When the area occupied by each worker is greater than 50㎡, the design temperature of the workplace can be reduced to 10°C for light labor, 7°C for medium labor, and 5°C for heavy labor. 2 The indoor temperature of auxiliary rooms of living and administrative auxiliary buildings, production plants, warehouses and public auxiliary buildings shall meet the following requirements. 1) Bathrooms and changing rooms should not be lower than 25°C; 2) Offices, lounges, and canteens should not be lower than 18°C; 3) Washrooms and toilets should not be lower than 14°C. 3 When the production process has requirements on the temperature and humidity of the plant, the interior design temperature shall be determined according to the process requirements. 4 When radiant heating is used, the indoor design temperature may be 2°C to 3°C lower than the value specified in Clause 1 to Clause 3 of this article. 5 When only indoor anti-freezing is required for production plants, warehouses and public auxiliary buildings in severe cold and cold regions, the indoor anti-freezing design temperature should be 5°C. 4.1.2 For buildings equipped with heating, the average wind speed in the indoor activity area in winter shall meet the following requirements. 1 For production plants, when the indoor heat dissipation is less than 23W/m³, it should not be greater than 0.3m/s; when the indoor heat dissipation is greater than or equal to 23W/m³, it should not be greater than 0.5m/s; 2 Public auxiliary buildings should not exceed 0.3m/s. 4.1.3 The air-conditioning interior design parameters shall meet the following requirements. 1 The temperature and humidity base and its allowable fluctuation range of technological air-conditioning rooms shall be determined according to technological needs and hygienic requirements. The wind speed in the activity area should not be greater than 0.3m/s in winter, and should be 0.2m/s to 0.5m/s in summer; when the indoor temperature is higher than 30°C, it can be greater than 0.5m/s. 2 The indoor design parameters of comfort air conditioning should meet the requirements in Table 4.1.3. Table 4.1.3 Air Conditioning Interior Design Parameters 4.1.4 When there is no special requirement for the process, the temperature of the working place of the production plant in summer can be designed according to the calculated temperature outside the ventilation room in summer and the allowable maximum temperature difference from the working place, and shall not exceed the provisions in Table 4.1.4. Table 4.1.4 Temperature of working place in summer (℃) 4.1.5 The upper limit of the air temperature under different relative humidity in the production plant shall comply with the provisions in Table 4.1.5. Table 4.1.5 Upper limit of air temperature in different relative humidity of production workshop 4.1.6 Heat insulation and cooling measures shall be taken in high temperature and strong heat radiation workplaces, and shall comply with the following regulations. 1 The average surface temperature of the high-temperature ground or high-temperature wall panels where personnel often stay or stay close to should not be greater than 40°C, and the instantaneous maximum temperature should not be greater than 60°C. 2 A rest room should be set up near the high temperature work area. The temperature of the lounge in summer should be 26°C to 30°C. 3 Heat insulation measures shall be taken in the special high-temperature operation area, the heat radiation intensity shall be less than 700W/㎡, and the indoor temperature shall not be greater than 28°C. 4.1.7 When the local air supply system is adopted in the workplace with high heat radiation intensity, the temperature and average wind speed of the workplace shall meet the requirements in Table 4.1.7. Table 4.1.7 Temperature and average wind speed at the workplace Note. 1.For light labor, the higher value in the table should be used for temperature, and the lower value for wind speed should be used; for heavy labor, the lower value should be used for temperature, and the higher value for wind speed should be used. For medium labor, the data can be inserted according to law to determine. 2 The temperature of the summer workplace in the table can be increased by 2°C for areas with hot summer and cold winter or hot summer and warm winter, and can be reduced by 2°C for areas where the average temperature of the hottest month over the years is less than 25°C. 4.1.8 The indoor air quality of industrial buildings shall comply with the current national regulations on indoor air quality standards and occupational health standards. 4.1.9 The fresh air volume per person shall be guaranteed not less than 30m³/h in industrial buildings. 4.2 Calculation parameters of outdoor air 4.2.1 The calculated temperature outside the heating area shall adopt the annual average daily temperature which is not guaranteed for 5 days per year. 4.2.2 The calculated outdoor temperature for winter ventilation shall adopt the average value of the average monthly temperature of the coldest month over the years. 4.2.3 The calculated outdoor temperature of air conditioning in winter shall adopt the daily average temperature which is not guaranteed for 1 day every year. 4.2.4 The outdoor relative humidity of air conditioning in winter shall be calculated based on the average relative humidity of the coldest month over the years. 4.2.5 The outdoor dry bulb temperature of air conditioning in summer shall be calculated by using the annual dry bulb temperature which is not guaranteed for 50 hours on average every year. 4.2.6 The outdoor calculation of the wet bulb temperature for air conditioning in summer shall adopt the average wet bulb temperature that is not guaranteed for 50 hours per year over the years. 4.2.7 The calculated outdoor temperature for ventilation in summer shall adopt the average temperature at 14.00 of the hottest month over the years. 4.2.8 The calculation of relative humidity outdoors for ventilation in summer shall adopt the average value of the average relative humidity at 14 o'clock in the hottest month over the years. 4.2.9 The daily average temperature outside the summer air-conditioning unit shall be calculated using the daily average temperature that is not guaranteed for 5 days per year. 4.2.10 The hourly temperature calculated outside the summer air conditioning can be determined according to the following formula. Hourly temperature calculation formula In the formula. tsh - outdoor calculation hourly temperature (°C); twp——calculated daily average temperature outside air conditioning in summer (°C), adopted according to Article 4.2.9 of this code; β——hourly variation coefficient of outdoor temperature, adopted according to Table 4.2.10; △tr—the average daily difference in outdoor calculation in summer; twg——the calculated dry bulb temperature (°C) of the air-conditioning outdoor in summer, adopted according to Article 4.2.5 of this code. Table 4.2.10 Hourly variation coefficient of outdoor temperature 4.2.11 When the indoor temperature and humidity need to be guaranteed throughout the year, the outdoor calculation parameters of the air conditioning shall be determined separately. 4.2.12 The adoption of outdoor average wind speed shall comply with the following regulations. 1 The average outdoor wind speed in winter shall be the average of the monthly average wind speeds of the coldest three months of the year. 2 The average wind speed of the most wind direction outdoors in winter shall be the average of the monthly average wind speed of the coldest 3 months with the most wind direction (except calm wind). 3 The average outdoor wind speed in summer shall be the average of the average wind speeds of the three hottest months of the year. 4.2.13 The maximum wind direction and its frequency shall meet the following requirements. 1 The maximum wind direction and its frequency in winter shall be the maximum wind direction and its average frequency of the coldest three months of the year; 2 The maximum wind direction and its frequency in summer shall be the maximum wind direction and its average frequency of the hottest 3 months of the year; The maximum wind direction and its frequency in 3 years shall be the maximum wind direction and its average frequency over the years. 4.2.14 The percentage of sunshine in winter shall be the average value of the average sunshine percentage of each month in the coldest three months of the year. 4.2.15 The use of outdoor atmospheric pressure shall comply with the following regulations. 1 The outdoor atmospheric pressure in winter shall be the average value of the average atmospheric pressure of the coldest three months of the year; 2 The outdoor atmospheric pressure in summer shall be the average of the average atmospheric pressure of the three hottest months of the year. 4.2.16 The number of days of heating period used for design calculation and the selection of heating outdoor critical temperature shall meet the following requirements. 1 The number of days in the heating period for design calculation shall be determined according to the total number of days in which the daily average temperature is stably lower than or equal to the critical temperature outside the heating area; 2 The critical outdoor temperature for heating in industrial buildings should be 5°C. 4.2.17 The extreme maximum temperature shall be the annual extreme maximum temperature. 4.2.18 The extreme minimum temperature shall be the annual extreme minimum temperature. 4.2.19 The average extreme maximum temperature over the years shall be the average value of the extreme maximum temperature over the years. 4.2.20 The average extreme minimum temperature over the years shall be the average value of the extreme minimum temperature over the years. 4.2.21 The minimum daily average temperature over the years shall be the lowest value among the average daily temperatures over the years. 4.2.22 The average relative humidity of the hottest month over the years shall be the average relative humidity of the month with the highest average monthly temperature over the years. 4.2.23 The hourly calculated enthalpy value of outdoor air conditioning in summer can adopt the air enthalpy value that does not guarantee 7h per year on average at 24 time points. 4.2.24 The statistical year of outdoor calculation parameters should be nearly 30 years. If it is less than 30 years, it should be used according to the actual year, but it should not be less than 10 years; if it is less than 10 years, the statistical results should be revised. 4.2.25 The outdoor air calculation parameters for design shall be selected from meteorological stations in Appendix A of this specification that are close to the geographical and climatic conditions of the construction site. When really necessary, the outdoor meteorological parameters should be investigated by themselves, and the outdoor air calculation parameters for design should be formed according to the statistical methods determined in Articles 4.2.1 to 4.2.24 of this code. When the basic observation data does not meet the requirements for use, the outdoor calculation parameters in winter and summer can be determined according to the simplified statistical method listed in Appendix B of this specification. 4.3 Summer solar irradiance 4.3.1 The solar irradiance in summer should be determined according to the solar declination on July 21 according to the local geographic latitude, atmospheric transparency and atmospheric pressure. 4.3.2 The total solar irradiance of buildings facing the vertical and horizontal planes can be adopted according to Appendix C of this code. 4.3.3 The direct solar irradiance and diffuse irradiance through the standard window glass facing the vertical and horizontal planes of the buildi......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 50019-2015_English be delivered?Answer: Upon your order, we will start to translate GB 50019-2015_English as soon as possible, and keep you informed of the progress. 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