星级酒店中央空调设计+CAD图纸(3)
Therefore, the design star hotel air conditioning system, hot and cold source selection and arrangement of delivery, when the return air must be fully taken into account-star hotel features reasonable design.
2.Project Overview
The project is located in Guangzhou City, with a total construction area of 23,639 square meters, with a total height of 21.731 meters, it is a multi-story building; the ground floor altogether, the height of -4.8 meters, offers chess rooms, bars, KTV, staff restaurants, office space, equipment room, kitchen and laundry room and so on; the ground total of five storey floor 5.4 meters, 4.5 meters and the second floor, three - five-storey 3.9 meters. The first floor of the restaurant and reception hall; the second floor conference room and massage rooms; three to six layers of standard rooms and executive suites, and six layers is also a presidential suite. I am mainly responsible for the design 1-2 (including basement).
3.Design basis
3.1 Location
Guangzhou Latitude: 23°8 '，Longitude: 113°17' ,elevation: 6.6m
3.2 Meteorological parameters
1 ) pressure: Winter 100.45 Kpa, summer : 101.95 Kpa.
2 ) Outdoor calculation ( dry bulb ) Temperature (℃):
Winter air conditioning at state 5 ℃, 13 ℃ lower ventilation conditions
Summer air conditioning at state 33.5 ℃, 31 ℃ lower ventilation conditions
3）Interior design parameters:
Room Summer temperature ℃ Summer humidity
% Winter temperature ℃ Winter humidity%
Restaurant 25 55 18 50
Reception Hall 25 65 16 50
Conference Room 25 65 18 50
Massage room 25 55 19 50
Aisle 25 65 16 50
Chess rooms 25 55 19 50
KTV rooms 25 55 20 50
Dance floor 25 55 20 50
Bar 25 55 20 50
Office 25 55 20 45
Canteen 25 55 18 50
Locker room 25 55 20 50
Ballroom 25 50 18 50
4) Air conditioning in summer outdoor design wet bulb temperature (℃): 27.7
3.3 Design Specification
[1] "code for design of heating ventilation and air conditioning (GB50019 - 2003)"
[2]"Fire protection design of tall buildings"（GB50045-95）
[3]"HVAC Drawing Standards" （GB/T50114-2001）
[4]"Heating, ventilation and air conditioning terminology standards（GB5015592）
[5]" Norm of Building Fire"（GB50016-2006)
[6]"Hot summer and cold winter region residential building energy efficiency design standards" (JGJl34—2001)
[7] "Practical heating and air conditioning design manual"
4.The main work of designs
The hotel's air-conditioning system according to the Guangzhou region climatic requirements such as design stars. Specific content-star hotel air conditioning system design; cooling and heating load calculation; the hot and cold load, combined with the characteristics of the building, initially identified in the form of air-conditioning systems; air-conditioning system according to the form, select the air conditioning system main equipment; air-conditioning air system design and calculation; determine the location of indoor air and indoor unit, indoor air to be checked; and for the design of smoke management issues related to the construction, make the necessary discussion and explanation; draw design drawings; design calculations written instructions and completed many drawings draw. and in accordance with the basic theory and professional knowledge, combined with practical engineering, according to the engineering design specifications, standards, design galleries and related reference materials required to complete the project design. After comparison system demonstration program, taking into account all aspects of economic construction, the final choice of the whole air a return air systems.
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