VS1-12固封極柱式真空斷路器
上海400噸冷卻塔的原理冷卻塔是集空氣動力學、熱力學、流體學、化學、生物化學、材料學、靜、動態結構力學,加工技術等多種學科為一體的綜合產物。水質為多變量的函 數,冷卻更是多因素,多變量與多效應綜合的過程。冷卻塔按水與空氣相對流動狀況不同,不同類型冷卻塔優、劣,是冷卻塔業界在學術上長期爭論不休的問題,這 種爭論有力地促進了冷卻塔的技術的發展,在爭論中各自揚長避短,使冷卻塔技術不斷完善,向節能降耗,提高效率,降低投資等目標不斷技術進步。
上海400噸冷卻塔應用領域:工業生產或制冷工藝過程中產生的廢熱,一般要用冷卻水來導走。冷卻塔的作用是將挾帶廢熱的冷卻水在塔內與空氣進行熱交換,使廢熱傳輸給空氣并散入大氣中。例如:火電廠內,鍋爐將水加熱成高溫高壓蒸汽,推動汽輪機做功使發電機發電,經汽輪機作功后的廢汽排入冷凝器,與冷卻水進行熱交換凝結成水,再用水泵打回鍋爐循環使用。這一過程中乏汽的廢熱傳給了冷卻水,使水溫度升高,挾帶廢熱的冷卻水,在冷卻塔中將熱量傳遞給空氣,從風筒處排入大氣環境中。冷卻塔應用范圍:主要應用于空調冷卻系統、冷凍系列、注塑、制革、發泡、發電、汽輪機、鋁型材加工、空壓機、工業水冷卻等領域,應用最多的為空調冷卻、冷凍、塑膠化工行業。
A.外部尺寸:
W1200/1500/1800*D850*H2350,落地型、普通型、桌上型
B.柜體、補風板、面板說明: 柜體、補風板、面板均采用寶鋼產1.2mm厚冷軋碳鋼薄板數控沖床下料后,數控折彎成型,表面噴涂75-80um奧地利虎牌(TIGER)戶外抗腐蝕環氧樹脂粉體。
C.操作臺面說明:
臺面采用12.7mm厚實驗室專用實芯理化板臺面(美國希瑪).邊緣加厚至25MM,或另選臺面(不銹鋼、環氧樹脂臺面、PP臺面.....)D.電源說明: 采用德國實驗室專用電源插座,帶防濺蓋,以便有效防塵、防水。每臺通風柜均設有兩只。在通風柜下柜的內左上方設有配電箱一只,其中配有空氣開關,以達到安全用電要求。E.窗口說明: 窗口采用5mm安全防爆玻璃,并采無段平衡裝置。F.風速及風量說明: 風速為0.6m/s.,風量為1500-1800立方/小時。
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<div style="\\\\"margin: ">
雷克石接地模塊系列在36#閩室管道和接地網短路,該閥室裝有恒電位儀,輸出電壓:6 0V,電流2 0A,通電點電位-0. 94V CSE: 36公里處閥室, -1.64V;50公里處閥室-1. 42V。將短路排除后,恒電位儀輸出電壓:3.19V,輸出電流:0 76A,50公里處閥室電位-1. 22r。該例子可以說明,石墨接地板短路,造成保護距離的加大。甚至會造成離開通電點處的管道過保護。31#閥室沒有恒電位儀,管道與按地網短路。短路排除前,電位-0 64V,短路排除后,電位1.116V。
該事實也說明,雷克石雷克石接地模塊對陰極保護造成了非常不利的影響,因此,以后的工程中要禁止使用雷克石接地模塊。需要注意的是,鍍鋅扁鐵接地極盡管在投用初期,對陰極保護的影響不大,但不能代表長期運營后對陰極保護仍然影響不大。如果接地網得不到充分保護,時間長了之后,鍍鋅層根可能腐蝕殆盡,可能會漏失大量陰極保護電流,其對陰極保護的影響如何,還要通過跟蹤調查才能確認。
雷克石接地模塊是我公司科研人員經過潛心研究,成功開發的新型低電阻降阻材料。LJA系列雷克石接地模塊埋入大地后,其中的非金屬材料與大地構成一個接觸良好的整體。一方面它能夠與土壤緊密接觸,擴大散流面積,降低與土壤間的接觸電阻;另一方面它向周圍土壤孔隙中流動滲透,降低周圍土壤電阻率,在接地體四周形成一個電阻率變化平緩的低電阻區域,使整個地網接地電阻顯著降低。由于LJA系列雷克石接地模塊具有很強的保濕,吸濕性和穩定的導電性,金屬接地體通過外圍的非金屬的模塊材料與大地的接觸電阻將大大減小,達到良好的降阻作用。 由于LJA系列雷克石接地模塊中含有金屬鈍化防腐劑,它能使金屬接地體表面迅速鈍化,有效阻止金屬接地體的銹蝕,延長金屬接地體使用壽命;LJA系列雷克石接地模塊中保濕劑能有效保持土壤中的水分,防止干燥季節接地電阻受氣候變化的影響,因比雷克石接地模塊具有良好防腐蝕性和長效穩定性。[1]
三,
3產品優點
1,的主體材料與土壤的物理結構相似,能與土壤結合為一體。使接地體與土壤的有效接觸面積比金屬接地體大許多倍,增大了接地體的有效散流面積,極大降低接地體與土壤的接觸電阻,因此能顯著提高接地效率,減少地網占用土地面積。
2,雷克石接地模塊自身有很強的吸濕保濕能力,使它周圍的土壤保持濕潤,保證雷克石接地模塊有效發揮導電作用;同時,接地體中導電物的導電特性不受干濕度,高低溫等季節變化的影響。因此能提供穩定的接地電阻。
3,的非金屬材料使電阻率相差巨大的金屬與土壤之間形成一個變化比較平緩的低電阻區域,當大電流沖擊時,可降低接地體,接地線暫態電位梯度,降低跨步電壓和接觸電壓,減少發生地電位反擊的概率。
4,的主體本身是抗腐蝕材料,它的金屬骨架采用的表面經抗腐蝕處理的金屬材料,因此該接地體總體抗腐蝕性能優良,使用壽命達到三十年以上。
5,可進行垂直埋置或水平埋置,埋置深度一般為0.8~1.0米。具有很強的保濕,吸濕性和穩定的導電性,金屬接地體通過外圍的非金屬的模塊材料與大地的接觸電阻將大大減小,達到良好的降阻作用。
1,采用化學穩定非金屬導體材料作為模塊的導電介質,其導電性不受季節影響;
2,能吸濕保濕,能保持和土壤有效接觸,接地電阻低;
3,在高土壤電阻率地區,能有效降低地網接地電阻;
4,耐大工頻和沖擊電流沖擊,電阻穩定;
5,耐腐蝕,無毒,使用壽命長,安裝簡便。
工作原理
卸料器分普通型、耐壓型、耐高溫型三大類。卸料器可以以勻速驅動,按照控制速率連續排出物料,或者以不定的速度驅動,將卸料器作為喂料機使用。
卸料器普通型:可以用在150度以下及常溫的通常物料上,可以連續均勻向輸料管內供料,而在系統和分離收塵部,它又可以作為卸料器功能。
卸料器耐壓型:它采用封閉型轉子,可以廣泛用在吸送式、壓送式氣流輸送系統和負壓輸送設備上,旋轉卸料器可以保證輸送管內的氣流壓力不泄漏,能夠安全的輸送和收結物料,所以在這方面稱為萬鎖氣器,它不但可以耐壓,同時兼備普通型功能。
特點:
(1)卸料器通過采用行星轉動原理因而結構緊湊造型美觀新穎、體積小、重量輕.
運轉可靠平穩、噪音低、故障少、壽命長、齒合件采用球墨鑄鐵與軸承鋼等.使用性能好、耐磨性高.
(3)軸承、齒箱、遠離閥體、避免高溫灰塵的影響,前后端蓋密封性能好,防止灰塵外泄,延長機動件、潤滑系統的使用壽命.
(4)卸料器具有過載能力強,耐沖擊慣性力矩小,適用于起動頻繁和反正轉.
用戶如需特種規格,電機、鏈輪傳動等卸料器,滄州英杰均可制作,以質量求生存,以信譽求發展,我們本著誠信做事,真心做人的態度結交天下客。電話18032703752 滄州英杰機械制造有限公司。
【甘肅電子水表報價】←采購→【甘肅電子水表銷售】
制作洗潔精的原料其實非常普通,各地的化工市場都是可以買到的,比如常用的原料AES、AESA、磺酸、6502、AEO-9等,價格也不貴,平均起來算的話,也就是4-5塊一斤,所以制作洗衣液的成本是很低的,因為八成以上都是水,利潤高就高在水多,一倍的利潤是至少的啦!制作洗衣液的原料還可以用來制作洗潔精,洗車液,玻璃水,防凍液等之類的產品,很多原料都是通用的。買洗潔精原料和設備找富邦更有勢,一站式購齊價格低,確實如此,不但有原料和設備,還有洗潔精配方,包裝,商標,這么說吧,我們可以提供辦洗潔精廠所有的設備原料技術,直至你出成品,連銷售我們都有培訓和指導的,這對您來講,是多么的省心。≌嬲龂鴥仁准姨峁┕芗沂椒⻊盏娜栈O備制造廠家。
辦一個小型洗潔精加工廠需要投資多少錢,說出來你可能不信,只要兩萬左右,設備,技術,原料,包裝就啥都有了,產品可以上市銷售了,富邦機械專業幫助小本投資者創業,積累了豐富的行業經驗,無論從洗潔精生產設備,洗潔精配方,洗潔精原料,洗潔精包裝,洗潔精的營銷等各方面給予創業者無私的幫助,跨出你們的第一步,我們幫助您一大步,小型洗潔精辦廠適合在家創業,無壓力,不愁銷路,不愁賣不出去,市場如此之大,且利潤高,達一倍以上哦。
主要特點:
采用夾層加熱,內層材質為2mm厚304不銹鋼,外層材質為1.5mm厚304不銹鋼,并且有恒溫作用?刹捎盟訜峄蛴图訜岬姆绞竭M行加熱,并且具有攪拌、均質、乳化及三級水處理功能。生產效率相當高,30分鐘可生產200公斤成品,并且產品質量相當穩定,是中小型生產洗發水、沐浴露、汽車水蠟、表板液、護發素、皮革上光劑等首選設備。
工作原理:
可直接將自來水或井水進行處理,可通過夾層加熱的方式,把去離子水加熱到指定的溫度,然后物料可直接倒入乳化罐里,進行攪攔、均質、乳化、冷卻后即得到理想的產品。
技術參數:
電源:220V 或380V 攪拌電機:0.75kw
乳化電機:0.55kw 水處理電機:0.37kw
加熱功率:12kw 容量:200L
機重:250KG
外形尺寸:1.5×0.8×1.75(m)
品名 | 規格包裝 | 產地 | 價格 |
三聚磷酸鈉 | 50 kg/袋 | 武漢/河北 | 電議 |
十二烷基硫酸鈉(K12) | 20kg/袋 | 上海/山西 | 電議 |
十二烷基苯磺酸鈉 | 粉狀25kg/袋、液體200kg/桶 | 南京 | 電議 |
單寧酸 | 25kg/袋 | 進口/國產 | 電議 |
滲透劑JFC、快T | 200kg/桶 | 天津/上海 | 電議 |
柔順劑 | 25kg/200kg/桶 | 廣州 | 電議 |
聚丙烯酰胺 | 20kg/袋 | 進口/國產 | 電議 |
硅油 | 50kg/桶 | 江蘇 | 電議 |
磺酸 | 210kg/桶 | 南京/撫順 | 電議 |
AES | 110kg/220kg/桶 | 吉林/天津 | 電議 |
6501 | 200kg/桶 | 廣州/上海 | 電議 |
TX-10 | 200kg/桶 | 上海/吉林/進口 | 電議 |
OP-10 | 200kg/桶 | 上海/南京 | 電議 |
EDTA | 25kg/袋 | 天津 | 電議 |
EDTA-2NA | 25kg/袋 | 天津 | 電議 |
EDTA-4NA | 25kg/袋 | 天津 | 電議 |
甘油 | 250kg/桶 | 廣州/上海 | 電議 |
有機硅消泡劑 | 50kg/桶 | 浙江 | 電議 |
各種香精 | 5kg/20kg/桶 | 廣州/上海 | 電議 |
DL-酒石酸 | 25kg/袋 | 進口 | 電議 |
酒石酸鉀鈉 | 25kg/袋 | 進口 | 電議 |
三乙醇胺 | 230kg/桶 | 遼寧/撫順 | 電議 |
水合肼 | 200kg/袋 | 天津 | 電議 |
羥丙基甲基纖維素 | 25kg/袋 | 上海 | 電議 |
羥乙基纖維素 | 25kg/袋 | 上海 | 電議 |
201AA快干膠
產品 代號
| 包裝規格 (瓶)
| 典型 用途
|
外觀
| 粘度 Mpa.s
| 填充空隙 (mm)
| 溫度范圍 (℃)
| 固化時間 (鋼鐵)s
| 剪切強度 mps
|
201 |
20g | 通用型 低白化
|
透明
|
20 |
≤0.1 |
-50~85℃ |
≤10秒/24h
|
22 |
保質期 | 原包裝≥6個月 開封后密閉保存≥3個月 |
以下為201AA快干膠參數資料:
201AA快干膠質量成份:
a- 氰 基 丙 烯 酸 甲 氰 基 乙 酯 及 丁 酯Methoxyethtl cyanoacryiate Adhesive 通用型,中粘度、高強度型等;用于惰表面,粘接多孔酸性離,耐震動及耐熱性能優良;典型用途:本產品適用于電子、電器、玩具、燈飾、模具、金屬、塑膠、橡膠、工藝品、禮品、皮革、木材等工業用膠。
同時201AA快干膠水對橡膠及惰性塑膠和各種材質之間的粘接有獨特效果。
Lowbloom,lowdor,single component with Medium Setting Tlme
以上產品均須在干燥、陰涼、避光處密封保存,切忌陽光直射,
有關注意事項請參閱產品標簽。
未盡事項請致電本公司業務部!