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當前位置：首頁 > 新聞資訊 > 公司新聞 > 冷藏展示櫃制冷系統進水後的處理方法

冷藏展示櫃制冷系統進水後的處理方法

來源:發布時間：2017/12/12 10:51:04

冷藏展示櫃制冷系统可能由于操作不当进入水分，导致冰堵，影响制冷系统的正常工作。下面介绍冷藏展示櫃制冷系統進水後的處理方法

　　一、分析原因
　　首先要檢查制冷系統進水的原因，是什麽原因導致制冷系統進入水分。
　　
　　二、分段吹汙
　　可先用空壓機吹水分（節約），直到無水霧析出。再用高壓吹,在吹的同時可加熱（鋼瓶禁止加熱）。
　　由于冷媒管路複雜，可根據具體情況在某些部位用焊燒開管路分段吹分。
　　加熱烘幹，對毛細管、熱力閥、壓縮機等小部件可以選擇烤箱內烘烤幹燥。壓縮機在進水烘幹後後必須更換冷凍油
　　 LF-D型风幕柜特点
　　三、真空幹燥
　　將管路複原，打保壓確保氣密後連接真空泵進行真空幹燥。（須將幹燥過濾桶加在真空泵的前端，以避免水氣過多的真空泵內）在真空幹燥中可以加熱管路中容易存水的部位，時間根據現場來定。
　　
　　四、調試運行
　　確認中水分基本排除幹淨。
　　把外置幹燥過濾桶連接于中，運轉5分鍾後更換幹燥劑。同時觀察機組運行參數,關注壓縮機運行聲音，如出現幹燥過濾器涼、閥結霜、回氣濾網前後有0.5公斤以上壓差,應立即停機.
　　重複上面的工作，連續更換幹燥劑，間隔時間可隨著逐漸。（幹燥劑：氯化鈣幹燥顆粒吸水量大，在開始水分過多時使用、變色矽膠能准確檢測水分含量，可以在後期幹燥使用）。
　　後把幹燥劑換變爲變色矽膠，運行24小時確認變色矽膠維持原色
　　
　　五、完成
　　把幹燥過濾桶取下冷媒管路複原。檢查補充冷媒量。開機檢查機器運行參數確認正常。
　　
　　注意事項
　　幹燥過濾桶：由于外置幹燥過濾桶的墊片通常爲石棉墊，對冷媒密封不嚴。因此不允許長時間連在上運行。在完成後應卸下以避免漏氟。

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Japanese children are well supplied with dolls and other playthings, and there are certain festivals in which the whole family devotes itself to the preparation or purchase of dolls to amuse the little ones. The greatest of these festivals is known as the "Hina Matsuri," or Feast of Dolls, hina meaning doll, and matsuri being applicable to any kind of feast. It occurs on the third day of the third month, and for several days before the appointed time the shops are filled with dolls just as they are filled among us at Christmas. In fact, the whole business in this line is transacted at this period, and at other times it is next to impossible to procure the things that are so abundant at the Matsuri. Every family that can afford the outlay buys a quantity of images made of wood or enamelled clay, and dressed to represent various imperial, noble, or mythological characters, either of the present time or of some former period in Japanese history. In this way the children are taught a good deal of history, and their delight at the receipt of their presents is quite equal to that of children in Christian lands. Not only dolls, but a great variety of other things, are given to the girls; for the Hina Matsuri is more particularly a festival for girls rather than for boys. The presents are arranged on tables, and there is general rejoicing in the household. Miniature tea and toilet sets, miniature bureaus and wardrobes, and miniature houses are among the things that fall to the lot of a Japanese girl at the time of the Hina Matsuri. This little island was in reality a prison, as its inhabitants were not allowed to go outside for any purpose, except once in three years, when a delegation of them made a journey to Yeddo to make presents to the Tycoon. They were compelled to travel the most of the way in closed norimons,[Pg 309] and thus their journey did not afford them many glimpses of the country. There is a tradition that they were required to go through the ceremony of trampling on the cross in the presence of the Tycoon, and also to intoxicate themselves, as a warning to the Japanese to shun the wicked ways of the foreigners. Whether either account be true I am unable to say; the assertion is very positively made and as positively denied, and therefore I will leave every reader, who has paid his money for the book, to make choice of the side of the story which suits him best. At noon they had gone twenty-five miles through a country which abounded in villages and gardens, and had a great many fields of wheat, millet, cotton, and other products of China; the fields were not unlike those they had seen on their voyage up the Yang-tse; and as for the villages, they were exactly alike, especially in the items of dirt and general repulsiveness. The modes of performing field labor were more interesting than the villages; the most of the fields were watered artificially, and the process of pumping water attracted the attention of the boys. An endless chain, with floats on it, was propelled through an inclined box by a couple of men who kept up a steady walk on a sort of treadmill. There were spokes in a horizontal shaft, and on the ends of the spokes there were little pieces of board, with just sufficient space for a man's foot to rest. The men walked on these spokes, and steadied themselves on a horizontal pole which was held between a couple of upright posts. Labor is so cheap in China that there is no occasion for employing steam or wind machinery; it was said that a pump coolie was able to earn from[Pg 359] five to ten cents a day in the season when the fields needed irrigation, and he had nothing to do at other times. "We'll stop now and say good-bye. We have seen China and Japan, and had a splendid time. We think we have learned a great deal about the two countries, and hope that what we have written about them has been interesting to those for whom it was intended. We have tried to see things, and think of them without partiality or prejudice. We believe that the people of the East have the same claims to respect that ours have, and that it is only a narrow mind that sneers at the ways of others because[Pg 421] they are not like its own. We know that there are many things in which we are superior to the Orientals, but we also know that we have our weak points, and might be profitably instructed by those whom some of us affect to despise. And the more we know these patient and industrious people, the more we shall be likely to respect them. We are soon to leave China, perhaps never to see it again; but both China and Japan will always be pleasant recollections to both "That was what the makers did for man," resumed the other. "Life had become impossible, and it was the only practical way out of the difficulty. You see, the makers were very clever, and very mild and gentle. They were quite different to ordinary human beings. To begin with, they were real." "'I saw how two to three hundred German soldiers, part of them slightly wounded, who were well able to walk, partly soldiers of the Landen garrison, who crowded about the open doors of one of the last wagons, raging and jeering against three seriously wounded British soldiers, about whom their French fellow-passengers told me that they had had nothing to eat for five days. The wounded were called "swine," were spit at, and some rifles were aimed at them. When I told a sergeant that it was a disgusting scene, he answered: "These British swine, they get paid for their filthy work." He alluded to the pay which the British volunteers receive because they enlist as mercenaries, Britain having no compulsory general military service. Before I witnessed this awful thing at Landen, Germans in the train had already told me that they simply killed any British whom they made prisoners. Others said that such a thing did not happen in their division, but one man contended that by his company already twenty-six had been killed. I did not believe them, and thought that they were better than they pretended to be. Plotinus is not only the greatest and most celebrated of the Neo-Platonists, he is also the first respecting whose opinions we have any authentic information, and therefore the one who for all practical purposes must be regarded as the founder of the school. What we know about his life is derived from a biography written by his disciple Porphyry. This is a rather foolish performance; but it possesses considerable interest, both on account of the information which it was intended to supply, and also as affording indirect evidence of the height to which superstition had risen during the third century of our era. Plotinus gave his friends to understand that he was born in Egypt about 205 A.D.; but so reluctant was he to mention any circumstance connected with his physical existence, that his race and parentage always remained a mystery. He showed somewhat more communicativeness in speaking of his274 mental history, and used to relate in after-life that at the age of twenty-eight he had felt strongly attracted to the study of philosophy, but remained utterly dissatisfied with what the most famous teachers of Alexandria had to tell him on the subject. At last he found in Ammonius Saccas the ideal sage for whom he had been seeking, and continued to attend his lectures for eleven years. At the end of that period, he joined an eastern expedition under the Emperor Gordian, for the purpose of making himself acquainted with the wisdom of the Persians and Indians, concerning which his curiosity seems to have been excited by Ammonius. But his hopes of further enlightenment in that quarter were not fulfilled. The campaign terminated disastrously; the emperor himself fell at the head of his troops in Mesopotamia, and Plotinus had great difficulty in escaping with his life to Antioch. Soon afterwards he settled in Rome, and remained there until near the end of his life, when ill-health obliged him to retire to a country seat in Campania, the property of a deceased friend, Zêthus. Here the philosopher died, in the sixty-sixth year of his age. “If the boat isn’t there when they bring up the seaplane, I’ll think you’ve hit the nail on the head,” Larry conceded. "It smells horribly," she exclaimed, dropping it on the floor, "it smells of hospitals—disinfectants." But she stooped and picked it up again. John Gay, a contemporary of Pope, Swift, and Arbuthnot, is now best known by his "Fables" and his "Beggar's Opera." His "Fables" have been extremely popular, and still make him a general name; but, in his own time, his "Beggar's Opera" was his great success. Its wit, its charming music, its popular characters, gave it a universal favour; and it is the only English opera that even to this time has become permanent. Gay's "Trivia; or, the Art of Walking the Streets of London," is still amusing, and some of his ballads have a lightness and buoyancy about them which justify the esteem in which he was held. "I belong to the 200th Ind." "Well, then," the old woman asked, "has anyone except myself understood them?" The head turned, the eyes raked the table. "Dr. Willis hasn't, or he wouldn't be sounding so hopeful. The rest of you haven't, or you wouldn't be talking about time. Rogier, you haven't, or you'd quit trying to pry and begin trying to prepare." He kicked Robert, and called up Richard to drive the cart over to Rye. 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