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(dòng)力學(xué)、熱力學(xué)、流體學(xué)、化學(xué)、生物化學(xué)、材料學(xué)、靜、動(dòng)態(tài)結(jié)構(gòu)力學(xué),加工技術(shù)等多種學(xué)科為一體的綜合產(chǎn)物。水質(zhì)為多變量的函 數(shù),冷卻更是多因素,多變量與多效應(yīng)綜合的過(guò)程。冷卻塔按水與空氣相對(duì)流動(dòng)狀況不同,不同類型冷卻塔優(yōu)、劣,是冷卻塔業(yè)界在學(xué)術(shù)上長(zhǎng)期爭(zhēng)論不休的問(wèn)題,這 種爭(zhēng)論有力地促進(jìn)了冷卻塔的技術(shù)的發(fā)展,在爭(zhēng)論中各自揚(yáng)長(zhǎng)避短,使冷卻塔技術(shù)不斷完善,向節(jié)能降耗,提高效率,降低投資等目標(biāo)不斷技術(shù)進(jìn)步。
上海400噸冷卻塔應(yīng)用領(lǐng)域:工業(yè)生產(chǎn)或制冷工藝過(guò)程中產(chǎn)生的廢熱,一般要用冷卻水來(lái)導(dǎo)走。冷卻塔的作用是將挾帶廢熱的冷卻水在塔內(nèi)與空氣進(jìn)行熱交換,使廢熱傳輸給空氣并散入大氣中。例如:火電廠內(nèi),鍋爐將水加熱成高溫高壓蒸汽,推動(dòng)汽輪機(jī)做功使發(fā)電機(jī)發(fā)電,經(jīng)汽輪機(jī)作功后的廢汽排入冷凝器,與冷卻水進(jìn)行熱交換凝結(jié)成水,再用水泵打回鍋爐循環(huán)使用。這一過(guò)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(fēng)筒處排入大氣環(huán)境中。冷卻塔應(yīng)用范圍:主要應(yīng)用于空調(diào)冷卻系統(tǒng)、冷凍系列、注塑、制革、發(fā)泡、發(fā)電、汽輪機(jī)、鋁型材加工、空壓機(jī)、工業(yè)水冷卻等領(lǐng)域,應(yīng)用最多的為空調(diào)冷卻、冷凍、塑膠化工行業(yè)。
A.外部尺寸:
W1200/1500/1800*D850*H2350,落地型、普通型、桌上型
B.柜體、補(bǔ)風(fēng)板、面板說(shuō)明: 柜體、補(bǔ)風(fēng)板、面板均采用寶鋼產(chǎn)1.2mm厚冷軋?zhí)间摫“?/span>數(shù)控沖床下料后,數(shù)控折彎成型,表面噴涂75-80um奧地利虎牌(TIGER)戶外抗腐蝕環(huán)氧樹脂粉體。
C.操作臺(tái)面說(shuō)明:
臺(tái)面采用12.7mm厚實(shí)驗(yàn)室專用實(shí)芯理化板臺(tái)面(美國(guó)希瑪).邊緣加厚至25MM,或另選臺(tái)面(不銹鋼、環(huán)氧樹脂臺(tái)面、PP臺(tái)面.....)D.電源說(shuō)明: 采用德國(guó)實(shí)驗(yàn)室專用電源插座,帶防濺蓋,以便有效防塵、防水。每臺(tái)通風(fēng)柜均設(shè)有兩只。在通風(fēng)柜下柜的內(nèi)左上方設(shè)有配電箱一只,其中配有空氣開關(guān),以達(dá)到安全用電要求。E.窗口說(shuō)明: 窗口采用5mm安全防爆玻璃,并采無(wú)段平衡裝置。F.風(fēng)速及風(fēng)量說(shuō)明: 風(fēng)速為0.6m/s.,風(fēng)量為1500-1800立方/小時(shí)。
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雷克石接地模塊系列在36#閩室管道和接地網(wǎng)短路,該閥室裝有恒電位儀,輸出電壓:6 0V,電流2 0A,通電點(diǎn)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(shuō)明,石墨接地板短路,造成保護(hù)距離的加大。甚至?xí)斐呻x開通電點(diǎn)處的管道過(guò)保護(hù)。31#閥室沒(méi)有恒電位儀,管道與按地網(wǎng)短路。短路排除前,電位-0 64V,短路排除后,電位1.116V。
該事實(shí)也說(shuō)明,雷克石雷克石接地模塊對(duì)陰極保護(hù)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(duì)陰極保護(hù)的影響不大,但不能代表長(zhǎng)期運(yùn)營(yíng)后對(duì)陰極保護(hù)仍然影響不大。如果接地網(wǎng)得不到充分保護(hù),時(shí)間長(zhǎng)了之后,鍍鋅層根可能腐蝕殆盡,可能會(huì)漏失大量陰極保護(hù)電流,其對(duì)陰極保護(hù)的影響如何,還要通過(guò)跟蹤調(diào)查才能確認(rèn)。
雷克石接地模塊是我公司科研人員經(jīng)過(guò)潛心研究,成功開發(fā)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(gòu)成一個(gè)接觸良好的整體。一方面它能夠與土壤緊密接觸,擴(kuò)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(dòng)滲透,降低周圍土壤電阻率,在接地體四周形成一個(gè)電阻率變化平緩的低電阻區(qū)域,使整個(gè)地網(wǎng)接地電阻顯著降低。由于LJA系列雷克石接地模塊具有很強(qiáng)的保濕,吸濕性和穩(wěn)定的導(dǎo)電性,金屬接地體通過(guò)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(dá)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(zhǎng)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(jié)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(zhǎng)效穩(wěn)定性。[1]
三,
3產(chǎn)品優(yōu)點(diǎn)
1,的主體材料與土壤的物理結(jié)構(gòu)相似,能與土壤結(jié)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(wǎng)占用土地面積。
2,雷克石接地模塊自身有很強(qiáng)的吸濕保濕能力,使它周圍的土壤保持濕潤(rùn),保證雷克石接地模塊有效發(fā)揮導(dǎo)電作用;同時(shí),接地體中導(dǎo)電物的導(dǎo)電特性不受干濕度,高低溫等季節(jié)變化的影響。因此能提供穩(wěn)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(gè)變化比較平緩的低電阻區(qū)域,當(dāng)大電流沖擊時(shí),可降低接地體,接地線暫態(tài)電位梯度,降低跨步電壓和接觸電壓,減少發(fā)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(jīng)抗腐蝕處理的金屬材料,因此該接地體總體抗腐蝕性能優(yōu)良,使用壽命達(dá)到三十年以上。
5,可進(jìn)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(qiáng)的保濕,吸濕性和穩(wěn)定的導(dǎo)電性,金屬接地體通過(guò)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(dá)到良好的降阻作用。
1,采用化學(xué)穩(wěn)定非金屬導(dǎo)體材料作為模塊的導(dǎo)電介質(zhì),其導(dǎo)電性不受季節(jié)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(qū),能有效降低地網(wǎng)接地電阻;
4,耐大工頻和沖擊電流沖擊,電阻穩(wěn)定;
5,耐腐蝕,無(wú)毒,使用壽命長(zhǎng),安裝簡(jiǎn)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(qū)動(dòng),按照控制速率連續(xù)排出物料,或者以不定的速度驅(qū)動(dòng),將卸料器作為喂料機(jī)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(xù)均勻向輸料管內(nèi)供料,而在系統(tǒng)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(zhuǎn)子,可以廣泛用在吸送式、壓送式氣流輸送系統(tǒng)和負(fù)壓輸送設(shè)備上,旋轉(zhuǎn)卸料器可以保證輸送管內(nèi)的氣流壓力不泄漏,能夠安全的輸送和收結(jié)物料,所以在這方面稱為萬(wàn)鎖氣器,它不但可以耐壓,同時(shí)兼?zhèn)淦胀ㄐ凸δ堋?/span>
特點(diǎn):
(1)卸料器通過(guò)采用行星轉(zhuǎn)動(dòng)原理因而結(jié)構(gòu)緊湊造型美觀新穎、體積小、重量輕.
運(yùn)轉(zhuǎn)可靠平穩(wěn)、噪音低、故障少、壽命長(zhǎng)、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(yuǎn)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(zhǎng)機(jī)動(dòng)件、潤(rùn)滑系統(tǒng)的使用壽命.
(4)卸料器具有過(guò)載能力強(qiáng),耐沖擊慣性力矩小,適用于起動(dòng)頻繁和反正轉(zhuǎn).
用戶如需特種規(guī)格,電機(jī)、鏈輪傳動(dòng)等卸料器,滄州英杰均可制作,以質(zhì)量求生存,以信譽(yù)求發(fā)展,我們本著誠(chéng)信做事,真心做人的態(tài)度結(jié)交天下客。電話18032703752 滄州英杰機(jī)械制造有限公司。
【甘肅電子水表報(bào)價(jià)】←采購(gòu)→【甘肅電子水表銷售】
制作洗潔精的原料其實(shí)非常普通,各地的化工市場(chǎng)都是可以買到的,比如常用的原料AES、AESA、磺酸、6502、AEO-9等,價(jià)格也不貴,平均起來(lái)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?yàn)榘顺梢陨隙际撬麧?rùn)高就高在水多,一倍的利潤(rùn)是至少的啦!制作洗衣液的原料還可以用來(lái)制作洗潔精,洗車液,玻璃水,防凍液等之類的產(chǎn)品,很多原料都是通用的。買洗潔精原料和設(shè)備找富邦更有勢(shì),一站式購(gòu)齊價(jià)格低,確實(shí)如此,不但有原料和設(shè)備,還有洗潔精配方,包裝,商標(biāo),這么說(shuō)吧,我們可以提供辦洗潔精廠所有的設(shè)備原料技術(shù),直至你出成品,連銷售我們都有培訓(xùn)和指導(dǎo)的,這對(duì)您來(lái)講,是多么的省心??!真正國(guó)內(nèi)首家提供管家式服務(wù)的日化設(shè)備制造廠家。
辦一個(gè)小型洗潔精加工廠需要投資多少錢,說(shuō)出來(lái)你可能不信,只要兩萬(wàn)左右,設(shè)備,技術(shù),原料,包裝就啥都有了,產(chǎn)品可以上市銷售了,富邦機(jī)械專業(yè)幫助小本投資者創(chuàng)業(yè),積累了豐富的行業(yè)經(jīng)驗(yàn),無(wú)論從洗潔精生產(chǎn)設(shè)備,洗潔精配方,洗潔精原料,洗潔精包裝,洗潔精的營(yíng)銷等各方面給予創(chuàng)業(yè)者無(wú)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(chuàng)業(yè),無(wú)壓力,不愁銷路,不愁賣不出去,市場(chǎng)如此之大,且利潤(rùn)高,達(dá)一倍以上哦。
主要特點(diǎn):
采用夾層加熱,內(nèi)層材質(zhì)為2mm厚304不銹鋼,外層材質(zhì)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(jìn)行加熱,并且具有攪拌、均質(zhì)、乳化及三級(jí)水處理功能。生產(chǎn)效率相當(dāng)高,30分鐘可生產(chǎn)200公斤成品,并且產(chǎn)品質(zhì)量相當(dāng)穩(wěn)定,是中小型生產(chǎn)洗發(fā)水、沐浴露、汽車水蠟、表板液、護(hù)發(fā)素、皮革上光劑等首選設(shè)備。
工作原理:
可直接將自來(lái)水或井水進(jìn)行處理,可通過(guò)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(jìn)行攪攔、均質(zhì)、乳化、冷卻后即得到理想的產(chǎn)品。
技術(shù)參數(shù):
電源:220V 或380V 攪拌電機(jī):0.75kw
乳化電機(jī):0.55kw 水處理電機(jī):0.37kw
加熱功率:12kw 容量:200L
機(jī)重:250KG
外形尺寸:1.5×0.8×1.75(m)
品名 | 規(guī)格包裝 | 產(chǎn)地 | 價(jià)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(jìn)口/國(guó)產(chǎn) | 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(jìn)口/國(guó)產(chǎn) | 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(jìn)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(jī)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(jìn)口 | 電議 |
酒石酸鉀鈉 | 25kg/袋 | 進(jìn)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(chǎn)品 代號(hào)
| 包裝規(guī)格 (瓶)
| 典型 用途
|
外觀
| 粘度 Mpa.s
| 填充空隙 (mm)
| 溫度范圍 (℃)
| 固化時(shí)間 (鋼鐵)s
| 剪切強(qiáng)度 mps
|
201 |
20g | 通用型 低白化
|
透明
|
20 |
≤0.1 |
-50~85℃ |
≤10秒/24h
|
22 |
保質(zhì)期 | 原包裝≥6個(gè)月 開封后密閉保存≥3個(gè)月 |
以下為201AA快干膠參數(shù)資料:
201AA快干膠質(zhì)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(qiáng)度型等;用于惰表面,粘接多孔酸性離,耐震動(dòng)及耐熱性能優(yōu)良;典型用途:本產(chǎn)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(yè)用膠。
同時(shí)201AA快干膠水對(duì)橡膠及惰性塑膠和各種材質(zhì)之間的粘接有獨(dú)特效果。
Lowbloom,lowdor,single component with Medium Setting Tlme
以上產(chǎn)品均須在干燥、陰涼、避光處密封保存,切忌陽(yáng)光直射,
有關(guān)注意事項(xiàng)請(qǐng)參閱產(chǎn)品標(biāo)簽。
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