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地鐵站如何選擇氣體滅火系统

返回列表 来源：湖南金鼎发布日期： 2020.03.25 作者：金鼎小编编辑：湖南金鼎浏覽次數：

隨著社會科技的發展，地鐵成爲了城市最大的基礎設施之一，是客運交通的大動脈及城市生命線。由于地鐵站內各類電氣設施衆多，對此類電氣火災只能使用氣體滅火系統。

地铁站配电房

目前，國內使用的潔淨氣體滅火系統主要有，IG541混合氣體滅火系統，七氟丙烷灭火系统，高压二氧化碳滅火設備。今天金鼎小编带您了解地铁站更适合哪种气体灭火系统。

IG541气体灭火消防管道

地鐵站這種應用場所主要有設備昂貴，保護要求高，保護區域廣且十分的分散，距離遠，人流量大等特點。

七氟丙烷滅火系統雖爲潔淨氣體，對電設備無損害，但儲存壓力只有4.2MPa、5.6MPa，輸送距離受限制，距離遠的區域無法達到其滅火效果，不宜使用。

高压二氧化碳滅火設備虽然输送距离远，但不能用在有人的地方，灭火时可能导致未疏散人员窒息死亡，不宜使用。

IG541混合氣體滅火系統其灭火剂由大气层中氮气(52%)、氩气(40%)、二氧化碳(8%)比例混合而成，自身储存压力达到15MPa，能输送至150m距离，电绝缘性良好，无腐蚀性，对设备没有任何损害，无任何环保限制，灭火过程中不产生分解物，是绿色环保型灭火系统，是地铁灭火系统的比较合适的选择。

IG541混合氣體滅火系統

金鼎消防是一家专注生产消防灭火产品厂家，有各种经验丰富的设计人员、研发人员、生产人员和后勤保障人员。公司自成立以来，目前已服务10万+企业。拥有研发、生产、检测、销售、施工、以及售后维保等完整的服务体系。金鼎消防始终本着“以质量求生存，以创新求发展”的理念来服务客户。真诚的服务值得您信赖。免费咨询在线客服或请拨打400-178-2088热线电话

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本文標簽： IG541混合氣體滅火系統 IG541氣體滅火系統 IG541

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At this moment the steward rang the preparatory bell for dinner, and[Pg 52] the conversation ended. Half an hour later dinner was on the table, and the passengers sat down to it. Then there were fans on the list, and he went in pursuit of fans. He found them, and he thus had the opportunity of seeing the fan-makers at work. He found that there is a great variety in the fans which the Japanese make, and that the articles vary from prices which are astonishingly low to some which are dear in proportion. There is such a large trade in fans that he expected to find an extensive factory, employing hundreds of hands. He found, instead, that the fan-makers work on a very small scale, and that one person generally does only a small portion of the work, then turns it over to another, who does a little more, and so on. Certain low-priced fans are all finished in one shop; but with the high grades this is not the case, and, from first to last, a fan must pass through a good many hands. The fan-makers include women as well as men in their guild; and Frank thought it was by no means an unpleasant sight to see the women seated on the floor in front of low benches and gracefully handling the parts of the fan that was approaching completion in consequence of their manipulations. "I must not fail to tell you of a remarkable temple that we have seen; not that any are unworthy of mention, but this one is certainly very curious. It is known as the Temple of Rengenhoin, and contains one thousand idols of large size; then each idol in this lot is surrounded by several smaller ones, and there is one idol larger than all the rest. The[Pg 297] whole number is said to be 33,333. We did not count them to make sure that the estimate was correct, but I should think that there must be thirty thousand at least, so that a few odd thousands, more or less, would make no difference. The whole of the inside of the temple is full of them, and each figure is said to have a particular fable connected with it. The temple is nearly four hundred feet long, and is certainly a very fine building; and there is an artificial pond in front of it, which is covered with aquatic flowers in the season for them. There is a veranda that was used in olden times for a shooting-gallery for archery purposes; it is more than two hundred feet long, and there are records of some famous matches that have been shot there. The best on the books took place more than six hundred years ago, when one man is said to have hit the bull's-eye of the target 8,000 times out of 10,000, and another is reported to have done the same thing 8,133 times in 13,053. That was certainly good shooting, and I don't believe that it would be easy to find a bowman to-day who could equal it. He rescued his trousers from underneath the mattress. It was only recently that he had discovered this obvious substitute for a trouser press, and so added one more nuisance to existence. It was something else to be remembered. He grinned pleasantly at the thought of the circumstance which had brought about these careful habits. Rose Lomas liked him to look smart, and he had managed it somehow. There were plenty of dapper youths in Great Wymering, and Arthur had been astute enough to notice wherein he had differed from them, in the first stages of his courting. Early rebuffs had led him to perceive that the[Pg 69] eye of love rests primarily upon a promising exterior, and only afterwards discovers the interior qualities that justify a wise choice. Arthur had been spurned at first on account of a slovenliness that, to do him justice, was rather the result of personal conviction, however erring, than mere carelessness. He really had felt that it was a waste of life even to spend half an hour a month inside a barber's shop. Not only that, but the experience was far-reaching in its unpleasant consequences. You went into the shop feeling agreeably familiar with yourself, conscious of intense personality; and you came out a nonentity, smelling of bay-rum. The barber succeeded in transforming you from an individual brimming over with original reflections and impulses into a stranger without a distinctive notion in your head. The barber, in fact, was a Delilah in trousers; he ravished the locks from your head and bewitched you into the bargain. "I know. I remember that now. I said goodnight to the Countess--eh, eh, the Countess!--and there was a policeman outside talking to a man in evening dress. He said goodnight to me and I walked down the road. I don't recollect anything else." hard work. If nobody had been good enough in English, the committee 175 “Sorry he had all the trouble. We got the ‘phib’ engine going and I took Whiteside off on a little private matter in that.” The news was generally very encouraging. Every attack of the rebels had been repulsed, though our own loss had been heavy. But every man was needed. The rebel lines extended far beyond those of the union army in each direction, and still they had enough for heavy assaulting columns. Everybody in the neighborhood of Chattanooga had been ordered up, leaving only the meagerest possible guards for the trains and communications. "Don't be cross, Maria," pleaded Annabel. "I didn't know nothin' of it. You know I've been down to see the Robinses, and intended to stay till tomorrer, but something moved me to come home today, and I just happened to take this train. I really didn't know. Yet," and the instinctive rights of her womanhood and her future relations with Si asserted themselves to her own wonderment, "I had what the preachers call an inward promptin', which I felt it my dooty to obey, and I now think it came from God. You know I ought to be with Si as soon as anybody," and she hid her face in her hands in maidenly confusion. "Sure it can," she said. "But democracy is a civilized commodity, Johnny—in a primitive society it's a luxury the society can't afford. What guarantees have you got that the clan will elect the best possible leader? Or that, having elected him, they'll follow him along the best paths?" That year Reuben bought ten more acres of Boarzell, and limed them for oats. He felt that now he had strength to return to his first battle, and wring a grain crop out of that grudging soil. The new piece of ground abutted the Odiam lands on the Flightshot side, and he could see it from his window. 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地鐵站如何選擇氣體滅火系统

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地鐵站如何選擇氣體滅火系统

【相關推薦】

了解详情 > 壁畫庫爲什麽要選擇懸挂式超細幹粉滅火系統呢？

了解详情 > 壁畫庫自動滅火系統的選擇應該遵循什麽原則呢？

了解详情 > 高壓細水霧滅火系統中分區控制閥有哪些作用？

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