女人阴性道图片真人18

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加熱管幾種不同材料的比較

今日出廠產品展示及部分報價

不銹鋼電熱管即熱式電熱水器的使用性能及安全性能如何,主要取決于其采用的加熱器,目前國內市場中即熱式電熱水器的加熱器用材一

般分為以下幾類: 不銹鋼 不銹鋼護套加熱器:不銹鋼加熱管不銹鋼加熱管不銹鋼加熱管不銹鋼加熱管技術較早,但由于不銹鋼材質延展性差,發熱管金屬護套及內膽均采用有縫不銹鋼管合成的加熱器,布滿了焊縫(發熱管越多,焊縫就越多),加熱管的表面負載高,因此易結水垢,這種先天缺陷不可避免,嚴重影響金屬加熱體的散熱,輕則加熱時間延長,費電,重則造成發熱絲熱能傳導不出,使護套管中的加熱絲在短期內易斷裂,從而水中帶電危及安全.就算加裝鎂棒來保護加熱體,由于容積的限制,也只能在一定程度上緩解結垢問題,所以不銹鋼加熱器一般都做成可拆卸的,只能靠定期清洗和保養.同時又造成拆裝過程中密封不好的問題,存在安全隱患.Stainless steel electric heating tube is the use of performance and the safety performance of electric water heater, mainly depends on the heater, the current domestic market the heater for electric water heater is divided into the following categories: stainless steel sheath heater: stainless steel heating pipe heating pipe heating pipe stainless steel stainless steel stainless steel heating pipe technology earlier, but because of poor ductility of stainless steel material, heating pipe metal sheath and liner adopt welded stainless steel pipes for synthesis of heater, full of weld (heating pipe is more, more seam), heating tube surface load is high, so easy to scale, this defect is unavoidable, seriously affecting the metal heating body heat, light then the heating time prolonged, electricity costs, weight is caused by the heating wire heat conduction not, make the heating wire protective sleeve pipe rupture easily in the short term, thus endangering the safety of water charged. If adding magnesium stick to protect the heating body, because the volume limit, also can alleviate the scaling problem in a certain extent, so stainless steel heaters are generally made into detachable, can only rely on regular cleaning and maintenance. And at the same time caused disassembly process seal is not good, the existence of security risks能大大優于不銹鋼,同時,無氧紫銅材質的延展性強,所以采用無縫純紫銅管及銅管焊,可減少焊縫的數量,銅的電位比水中雜質元素的電位要低很多,不會受到電腐蝕,從根本上杜絕了水垢的危害并提高了熱效率.根據<中國日用電器質量監督檢測中心電熱水器具實驗室>最近的檢驗報告以及<中國疾病預防控制中心>對水家電相關的測試結果均顯示:無氧紫銅加熱器在其選材以及設計中表明其100%抗菌性,抗霉性均在檢測的材料中名列榜首.但無氧紫銅的材料成本是不銹鋼材料成本的4倍,成本太高,影響了其在即熱式電熱水器行業中的廣泛應用. 因此,無氧紫銅在即熱式電熱水器核心部件的運用已大大提高了熱水器的安全系數,也成為高,低端快速電熱水器劃分的分水嶺. 外殼須帶保護甲 除了加熱器外,外殼材料也對即熱式電熱水器安全防護的又一重保護甲.一般來說,目前市場上快速電熱水器的外殼材質主要有金屬面板,如:鐵,不銹鋼,普通塑料或壓膜,如各種金色,銀色及彩色膜;另外還有ABS特種膠料等幾種外殼. 熱水器長期處于潮濕的環境中使用,應該采用ABS特種膠做成的外殼,其特性表現為阻燃,耐熱性耐化學性高,抗拉強度,抗沖擊強度,表面硬度高等先天優點 以上介紹了幾種不同材料的加熱管進行比較Can greatly better than that of stainless steel, at the same time, oxygen-free copper material ductility is strong, so the use of pure copper and copper welding, can reduce the number of copper weld, the potential than the potential impurity elements in water is much lower, not subject to corrosion, fundamentally eliminate the scale effects and improve the thermal efficiency. According to the < Chinese household electrical appliances Quality Supervision Testing Center of electric water heater laboratory > recent inspection report and the Chinese Center for Disease Control and prevention of water appliances > test results showed: oxygen-free copper heater shows that the 100% antibacterial material and in its design, mold resistance are among the top in the test material. But the anaerobic copper material cost is 4 times the cost of stainless steel materials, the cost is too high, affecting its application in electric water heater industry. Therefore, the oxygen-free copper in electric water heater core components has greatly enhanced the safety factor of water heater, also become high, divide the low-end fast electric water heater is divided. Shell with a heater shall be protected from outside, the shell material of instant electric water heater safety protection and a heavy armour. Generally speaking, the current market fast electric water heater The shell material mainly metal panels, such as: iron, stainless steel, plastic or film, such as gold, silver and color film; in addition to the ABS material, special glue several housing. Water heater in the long-term use of damp environment, outer shell should be made ABS special glue, the characteristics of the performance of flame retardant, chemical resistance of high heat resistance, tensile strength, impact strength, hardness higher inherent advantages over the heating of different materials are compared several tube

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女人阴性道图片真人18