冷庫工程節(jié)能背景意義
冷庫食品冷凍加工、貯存與流通的重要設(shè)施，國民經(jīng)濟(jì)中占有重要地位。能源是國家經(jīng)濟(jì)建設(shè)的基本條件之一，節(jié)約能源是國家經(jīng)濟(jì)建設(shè)的久遠(yuǎn)戰(zhàn)略方針。作為耗電大戶的冷庫，臨時國營企業(yè)的體制下，存在大量不重視能源管理與浪費能源的現(xiàn)象，隨著能源市場與世界的接軌，特別是國加入世界貿(mào)易組織，任何企業(yè)必需與世界各國優(yōu)秀的企業(yè)競爭市場，此時，企業(yè)產(chǎn)品的質(zhì)量和利息將決定一個企業(yè)的生死存亡，能源在冷庫產(chǎn)品利息中占有重要地位，搞好節(jié)能工作將對冷庫企業(yè)的經(jīng)濟(jì)效益提高發(fā)揮重要作用。因此分析、研究冷庫行業(yè)制冷系統(tǒng)耗電情況，探討制冷系統(tǒng)操作運行中的節(jié)能措施與方法，對節(jié)約能源、降低冷庫企業(yè)生產(chǎn)本錢，提高經(jīng)濟(jì)效益具有現(xiàn)實意義。
主要節(jié)能措施如下：
1.防止在一天當(dāng)中比較熱的時段開啟制冷壓縮機
2.減少換熱器換熱溫差，提高制冷系統(tǒng)的效率，達(dá)到節(jié)能效果，但是這要增大換熱器的面積。
3.控制合適的控制精度，從節(jié)能角度動身，只要不影響商品的品質(zhì)，控制精度宜取低不取高，不必片面追求高精度控制。
4.減少不同蒸發(fā)溫度冷間的并聯(lián)運行，由于同一制冷的制冷壓縮機只能在同一個蒸發(fā)溫度下運行，所以不同溫度的冷藏間如果并聯(lián)運行，就會使相對蒸發(fā)溫度較高的庫房處于高耗能運行狀態(tài)，該冷藏間熱負(fù)荷越高其耗能就越高，應(yīng)防止此情況的呈現(xiàn)。
5.調(diào)節(jié)制冷系統(tǒng)的有關(guān)參數(shù)，
6.實時計算控制，確保系統(tǒng)比較佳節(jié)能運行。
Background significance of energy saving in cold storage engineering
The important facilities for freezing, storage and circulation of refrigerated foods play an important role in the national economy. Energy is one of the basic conditions of national economic construction, and energy conservation is a long-standing strategic policy of national economic construction. As a cold storage for large consumers of electricity, under the system of temporary state-owned enterprises, there are a lot of phenomena that do not pay attention to energy management and waste of energy. With the integration of energy market with the world, especially with China's accession to the world trade organization, any enterprise must compete with excellent enterprises in the world. At this time, the quality and interest of enterprise products will determine the survival of an enterprise It plays an important role in the interest of cold storage products, and it will play an important role in improving the economic benefits of cold storage enterprises to do a good job in energy saving. Therefore, it is of practical significance to analyze and study the power consumption of the refrigeration system in the cold storage industry, and to explore the energy-saving measures and methods in the operation of the refrigeration system, in order to save energy, reduce the production cost of the cold storage enterprises and improve economic benefits.
The main energy saving measures are as follows:
1. Prevent turning on the refrigeration compressor in the hottest time of the day
2. Reduce the temperature difference of heat exchanger, improve the efficiency of refrigeration system, and achieve energy-saving effect, but this needs to increase the area of heat exchanger.
3. Control the appropriate control accuracy. Start from the perspective of energy conservation. As long as the quality of commodities is not affected, the control accuracy should be low or high, and it is not necessary to pursue high-precision control unilaterally.
4. Reduce the parallel operation of the cold rooms with different evaporation temperatures. Since the refrigeration compressor with the same refrigeration can only operate at the same evaporation temperature, if the cold rooms with different temperatures operate in parallel, the warehouses with higher relative evaporation temperature will be in the state of high energy consumption. The higher the heat load of the cold room, the higher the energy consumption. This situation should be prevented.
5. Adjust the relevant parameters of the refrigeration system,
6. Real time calculation and control to ensure the best energy-saving operation of the system.
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