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-80℃的低溫恒溫反應浴溫度降不下去是什么問題,怎么解決?

Admin發布于 關鍵詞:低溫恒溫槽 -80℃ 低溫恒溫反應浴
        問:-80℃的低溫恒溫反應浴,溫度只能降到-60℃,是什么原因?該怎么解決?

答:孫老師您好!這是個常見的問題,請從下面三個方面查故障原因和處理問題:
1、低溫恒溫反應浴槽的冷凝器臟:就是低溫恒溫槽運行后能吸風的地方,有好多散熱鋁箔片,看上面是不是臟了,如果臟了就清理一下,用氮氣吹吹;
2、離墻是不是太近了,如果近就移動的稍微遠些,因為留的通風空間不夠,空氣不能正常流通,溫度散不出去就不能降溫;
3、介質是不是濃度低:介質在用一段時間后,空氣中的冷凝水就會到介質中,在低溫下變稠,冷量傳不過去,溫度就降不下來,如果低溫狀態下介質很稠,不能正常流動,或結冰就需要換介質。
 
問:低溫槽使用了一年多之后,制冷速度好像越來越慢了,在氣溫越高時越明顯?

答:低溫恒溫槽定期維護保養工作是不能忽視的。有很多看似故障的毛病其實就是沒有定期做維護保養引起的。水循環自身的電功率和制冷劑從負載中帶走的熱量都需要從前通風罩處的散熱器中排走,如果前通風罩上吸滿灰塵和柳棉等就會妨礙這些熱量的散發,制冷效果將大打折扣。一般來說在正常的使用條件下制冷量下降都是因為通風散熱效果太差或環境溫度太高引起的。?

如果從這三個方面檢查都沒有問題,請聯系我們的售后服務電話:0371-64123451,謝謝! 

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