GB 50189-1993 Thermal and air conditioning energy-saving design standard for tourist hotel buildings GB50189-93

GB 50189-1993 Thermal Engineering and Air Conditioning Energy Saving Design Standard for Tourist Hotel Buildings GB50189-93 GB50189-1993 Standard download decompression password: www.bzxz.net

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National Standard of the People's Republic of China
50189-93
Thermal Engineering and Air Conditioning for Tourist Hotels
Energy Conservation Design Standard on Building Envelope and Air Conditioning for Tourist Hotelswww.bzxz.net
Published on September 27, 1993
Implemented on July 1, 1994
State Bureau of Technical Supervision
Ministry of Construction of the People's Republic of China
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Jointly Issued
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National Standard of the People's Republic of China
Thermal Engineering and Air Conditioning for Tourist Hotels
Energy Conservation Design Standard on Building Envelope and Air Conditioning for Tourist Hotels hotels
GB50189—93
Editor Department:
Approval Department:
Effective Date:
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Ministry of Construction of the People's Republic of China
Ministry of Construction of the People's Republic of China
July 1, 1994
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Notice on the Release of the National Standard "Design Standard for Energy-Saving Thermal Engineering and Air Conditioning in Tourist Hotels" Jianbiao [1993] No. 731
According to the requirements of the Ministry of Construction [1991] Jianbiao Jizi No. 11, the "Design Standard for Energy-Saving Thermal Engineering and Air Conditioning in Tourist Hotels" jointly formulated by the China Academy of Building Research and relevant units has been reviewed by relevant departments. The "Design Standard for Energy-Saving Thermal Engineering and Air Conditioning in Tourist Hotels" GB50189-93 is now approved as a mandatory national standard and will be implemented on July 1, 1994. This standard is managed by the Ministry of Construction, and its specific interpretation and other work is the responsibility of the China Academy of Building Research. The publication and distribution is organized by the Standard and Quota Research Institute of the Ministry of Construction. Ministry of Construction of the People's Republic of China
September 27, 1993
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Engineering Construction Standard Full Text Information System
Basic Provisions
Building Envelope Structure
General Provisions
Thermal Design of Envelope Structure
Heat Recovery Device
Pipeline Cold and Heat Insulation
6 Monitoring and Measurement
.........
Appendix A
Various Uses of Tourist Hotels Calculation parameters for interior design of tourist hotels
Appendix B
Terms used in this standard
Additional explanation:
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1 General
1 This standard is formulated to implement the relevant national laws, regulations and policies on energy conservation and to reasonably reduce and control the energy consumption of tourist hotels through design 1.0.1
technical measures. 2 This standard is applicable to the energy-saving design of newly built, expanded and renovated tourist hotels. 1.0.2
3 In addition to complying with this standard, the design of thermal engineering and air conditioning energy conservation in tourist hotels shall also comply with the provisions of the relevant current national standards and specifications. Engineering Construction Standard Full Text Information System
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2 Terms
2.0.1 Shape coefficient
The ratio of the building's surface area to the volume it encloses. 2.0.2 Shading coefficient
The ratio of the actual solar radiation heat gain through the window glass to the solar radiation heat gain through the 3mm transparent window glass.
2.0.3 Window-to-wall ratio
The ratio of the window opening area to the total area of ​​the exterior wall (including the window opening area). 2.0.4 Energy efficiency ratio
The ratio of the cooling capacity (kW) of the refrigerator under specified working conditions to the corresponding input power
2.0.5 Cooling water transport coefficient
The ratio of the sensible heat exchange capacity (kW) transported by the cooling water circulation to the rated power (kW) of the selected circulating water pump motor. 2.0.6 Water transport coefficient for heating
The ratio of the sensible heat exchange capacity (kW) transported by the water circulation for heating to the rated power (kW) of the selected circulating water pump motor. Engineering Standard Full-text Information System
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3 Basic Provisions
3.0.1 The classification standards for tourist hotels should be divided into one, two, three and four levels. 3.0.2
First, second and third level tourist hotels should select the corresponding air conditioning or heating methods and facilities based on their level, local meteorological conditions, indoor design calculation parameters, building scale and layout, etc., after technical and economic comparative analysis. 3.0.3 Fourth-level tourist hotels generally do not need to be equipped with air conditioning, but in areas where the average outdoor temperature in the hottest month is equal to or greater than 26℃, summer cooling air conditioning facilities can be installed. Winter heating facilities can be installed in areas where the total number of days with a cumulative daily average temperature of less than or equal to 10.5℃ in winter is greater than or equal to 60d.
3.0.4 For tourist hotels with air conditioning, when heating is required in winter, whether to use air conditioning equipment for heating or to set up an independent heating system should be determined based on the hotel grade and the number of days in the heating period, after technical and economic analysis and comparison, but direct electric heating air conditioning equipment or system shall not be used.
3.0.5 The design calculation parameters for the indoor climate of tourist hotels in winter and summer should be adopted in accordance with the provisions of Appendix A of this standard.
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Building Envelope Structure
4.1 General Provisions
4.1.1 The main rooms of tourist hotels should be located on the sunny side and the leeward side of the maximum frequency wind direction in winter, and should face the direction that avoids strong sunlight in summer. 4.1.2 Tourist hotels should reduce the surface area of ​​the building. The main building should avoid too many bumps and staggered. The shape coefficient of the main building in severe cold areas and cold areas should be controlled below 0.35.
4.1.3 The air-conditioning facilities in the air-conditioned rooms of the fourth-level tourist hotels may not be equipped with a fresh air supply system, and natural ventilation measures such as opening external windows may be adopted. 4.1.4 The setting of external doors in severe cold and cold areas should avoid the maximum frequency wind direction in winter. When it is unavoidable, reliable windproof measures should be taken. 4.1.5 Severe cold areas should meet the requirements of winter insulation; cold areas should meet the requirements of winter insulation and take into account the requirements of summer heat insulation; hot summer and cold winter areas should take into account the requirements of winter insulation and summer sunshade and heat insulation; hot summer and warm winter areas should meet the requirements of summer sunshade and heat insulation. 4.2 Thermal design of enclosure structure
4.2.1 The area of ​​external windows should not be too large. The window-to-wall area ratio of the standard floor of the main building should not be greater than 0.45.
4.2.2 The shading coefficient of external window glass should be greater than 0.80 in severe cold areas; less than 0.60 in non-severe cold areas, or external sunshade measures should be taken. 4.2.3 The thermal insulation performance of external windows shall comply with the provisions of the current national standard "Classification of Thermal Insulation Performance of External Windows of Buildings and Its Testing Methods". Its thermal insulation performance level should not be lower than Level II in severe cold areas, should not be lower than Level II in cold areas, and should not be lower than Level IV in other areas. Engineering Construction Standard Full-text Information System
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4.2.4 The air tightness of external windows shall comply with the provisions of the current national standard "Classification of Air Permeability Performance of External Windows of Buildings and Its Testing Methods", and its air tightness level should not be lower than Level I. 4.2.5 The thermal performance of the exterior walls, roofs and floors of the enclosure structure shall comply with the provisions of the current national standard "Design Code for Heating, Ventilation and Air Conditioning" and the current industry standard "Design Standard for Energy Saving in Civil Buildings" (part of heating residential buildings). Engineering Construction Standard Full Text Information System
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When the number of guest rooms in a tourist hotel exceeds 40, its air conditioning cold source should adopt 5.1.1
water chillers.
5.1.2When there is an available heat source in summer and it is economically reasonable, its air conditioning cold source should adopt an absorption chiller with low rated steam consumption. 5.1.3The number of chillers should be 2 to 3, and should not exceed 4 when the cooling capacity is large. The cooling capacity of a single unit should be reasonably matched. 5.1.4When selecting a chiller, it is advisable to make an economic comparison and give priority to units with a high degree of energy regulation automation.
5.1.5 When reciprocating chillers are used, it is advisable to use chillers with multiple compressors automatically controlled.
5.1.6 When reciprocating, screw, or centrifugal chillers are used, the energy efficiency ratio of the rated working condition shall meet the requirements of Table 5.1.6. When the cooling capacity of a single air conditioner exceeds 698kW, reciprocating chillers should not be used.
Energy efficiency ratio of chiller at rated operating conditions
Cooling capacity of single unit (kw)
117~349
350~581
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Reciprocating
Reciprocating
Reciprocating
Energy efficiency ratio (kW/kw）
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582~1163
Reciprocating
Centrifugal
Continued Table 5.1.6
Note: Rated operating conditions refer to the evaporator outlet water temperature of 7℃, inlet water temperature of 12℃, the condenser inlet water temperature of 30℃, and outlet water temperature of 35℃.
5.1.7 The cooling capacity index of the cold source installation shall be determined after technical and economic comparison, taking into account factors such as local meteorological conditions, hotel grade, and the proportion of public areas and dining areas. 5.2 Heat recovery device
5.2.1 When the guest room is equipped with an independent fresh air and exhaust system, a total heat or sensible heat recovery device should be selected, and its rated heat recovery rate should not be less than 60%. 5.2.2 The condensation heat of the chiller should be reasonably utilized according to the size and grade of the building's heat demand after technical and economic comparison. 5.2.3 The heat dissipation of high-power lights should be reasonably utilized according to the system characteristics of the air-conditioned room.
5.3 Water system
5.3.1 The design of the air conditioning cooling and heating water system shall meet the hydraulic balance requirements between each loop. For high-resistance loops with a large difference in pressure difference, a secondary circulation pump should be installed. Each loop should be equipped with a balancing device such as a balancing valve. 5.3.2 The water delivery coefficient of air conditioning cooling shall not be less than 30. Water transfer coefficient for heating: for two-pipe system, it should not be less than 190 in severe cold areas, 150 in cold areas and hot summer and cold winter areas, and 130 in hot summer and warm winter areas; for heating water transfer coefficient in four-pipe system, it should not be less than 90 in all areas. 5.3.3 In the air conditioning cooling and heating water system with secondary pump, variable frequency speed regulating device should be installed for its secondary pump.
5.3.4 The four-pipe water system of fan coil for simultaneous cooling and heating should be limited to the first-class tourist hotels with the highest comfort requirements. 5.4 Wind system
5.4.1 The service scope and scale of the air conditioning system in the public part of the hotel should be divided according to the usage rules and load characteristics of each air-conditioned room, and the air conditioning unit should be installed close to the air-conditioned room.
5.4.2 The service scope and scale of the fresh air and exhaust systems of the guest rooms should be divided into small and medium scales, and the air volume of the maximum system should not exceed 40,000 m/h. 5.4.3 For the air conditioning and ventilation systems of the public parts with large load changes, when the peak usage time is short and the trough usage time is long, variable air volume measures such as dual-speed motor driven fans or parallel dual fans should be adopted.
5.5 Automatic control
5.5.1 The automatic control level of the air conditioner should be determined after comprehensive analysis and comparison based on the scale, grade and technical strength of the operation management of the building. Where conditions permit, a computer energy management system should be set up.
5.5.2 Each air conditioning system should be equipped with at least one temperature control device for adjusting the temperature. 5.5.3 Guest rooms equipped with fan coil units should be equipped with separate temperature control thermostats, which should be interlocked with the energy-saving key switch of the guest room.
5.5.4 The thermostat should have a scale indicating the temperature value, and the division value of each small grid shall not be greater than 2°C. The temperature setting and adjustment range shall meet the following requirements: For air-conditioned rooms used only for winter heating, the adjustment range of the thermostat should be 16-24°C; for air-conditioned rooms used only for summer cooling, the adjustment range of the thermostat should be 20-28°C; for air-conditioned rooms used for summer cooling and winter heating, the adjustment range of the thermostat should be 16-28°C.
5.5.5 According to the requirements of the chiller for the cooling water inlet temperature, the cooling water inlet temperature or outlet temperature should be used as the control parameter to reasonably control the ventilation and water flow of the cooling tower.
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W.bzsoso.coI5 According to the requirements of the chiller for the cooling water inlet temperature, the cooling water inlet temperature or outlet temperature should be used as the control parameter to reasonably control the ventilation and water flow of the cooling tower.
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W.bzsoso.coI5 According to the requirements of the chiller for the cooling water inlet temperature, the cooling water inlet temperature or outlet temperature should be used as the control parameter to reasonably control the ventilation and water flow of the cooling tower.
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