Energy-saving ways and measures for air-conditioning cold source environment in clean room workshop
Energy-saving ways and measures for air-conditioning cold source environment in clean room workshop
According to air-conditioning standards and specifications, air-conditioning load calculation, unit and auxiliary equipment selection, air-conditioning system design include: analysis and selection of air-conditioning system scheme, air-conditioning load calculation, air-conditioning equipment component selection, pipe network hydraulic calculation, etc. link...
Text label: Energy saving of clean room air conditioning cold source environment, energy saving methods and measures of clean pharmaceutical cleanroom
Energy-saving ways and measures for air-conditioning cold source environment in clean room workshop
According to air-conditioning standards and specifications, air-conditioning load calculation, unit and auxiliary equipment selection, air-conditioning system design include: analysis and selection of air-conditioning system scheme, air-conditioning load calculation, air-conditioning equipment component selection, pipe network hydraulic calculation, etc. In the link, the calculation of air-conditioning load is the basic link of the design process, which is directly related to the equipment selection of the air-conditioning system, the investment of the air-conditioning system, the energy consumption and operating costs of the air-conditioning system, and the use effect. The cooling coefficient is only related to the temperature of the object to be cooled and the temperature of the coolant. The method of reducing the temperature of the cooling water and increasing the temperature of the chilled water can be used to save energy; the lower the temperature of the cooling water, the higher the cooling coefficient of the chiller, and the water supply of the cooling water Every time the temperature rises by 1°C, the COP of the chiller drops by nearly 4%. To reduce the cooling water temperature, it is necessary to strengthen the operation management of the cooling tower; The water temperature of the tower is higher, the temperature of the cooling water after mixing will increase, and the cooling coefficient of the chiller will be reduced. Secondly, after the cooling tower has been used for a period of time, it should be repaired in time, otherwise the efficiency of the cooling tower will decrease, and the cooling cannot be adequately cooled. Water cools down.
Regular maintenance of air-conditioning cold source facilities is essential, damage or leakage of cooling facilities will greatly waste energy consumption; because the higher the temperature of the chilled water, the higher the cooling efficiency of the chiller, the higher the temperature of the chilled water supply At 1°C, the cooling coefficient of the chiller can be increased by 3%, so do not blindly reduce the chilled water temperature in daily operation. First, don’t set the chilled water temperature of the chiller that is too low, and secondly, close the water valve of the chiller that stops running. , to prevent part of the chilled water from going to the bypass pipeline, otherwise the amount of water passing through the running chiller will be reduced, resulting in the temperature of chilled water being lowered to an excessively low level by the chiller. District cooling can integrate the energy-saving technologies of various building air-conditioning cold sources, and realize the comprehensive dispatch of cold and heat sources in a large range, so that energy can be used reasonably and effectively; the heat storage technologies used for building air-conditioning mainly include ice storage. , water heat storage and phase change material heat storage, the use of heat storage technology can greatly reduce peak electricity consumption, make full use of nighttime low valley electricity, balance the power grid, and also reduce equipment capacity and reduce electricity capacity expansion fees, while ice storage technology is positive. It can greatly save high-pollution and high-priced electricity, so as to reduce emissions on the basis of energy saving. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean workshops.
The air heat pump directly uses the air as the cold and heat source, extracts heat from the outdoor air to heat the building, but its operating conditions are greatly affected by the climate. When the outdoor temperature is about 0℃, the evaporator will have frosting problems. Ground source heat pump is a high-efficiency, energy-saving and environmentally friendly air-conditioning system that utilizes shallow underground geothermal resources for both heating and cooling. For areas with serious shortage of water resources, not only the use of surface water or groundwater is limited, but also the disadvantage of large water consumption during the annual operation of the cooling water of the centralized air-conditioning system will also be highlighted. Therefore, air conditioners that consume water resources should not be used in these areas. System form and equipment, such as cooling towers, evaporative cooling, etc.
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