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)或制冷工藝過程中產(chǎn)生的廢熱，一般要用冷卻水來導(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．電源說明： 采用德國實(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．窗口說明： 窗口采用5mm安全防爆玻璃,并采無段平衡裝置。F．風(fēng)速及風(fēng)量說明: 風(fēng)速為0.6m/s.,風(fēng)量為1500-1800立方/小時(shí)。

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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(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)處的管道過保護(hù)。31#閥室沒有恒電位儀,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,無毒,使用壽命長(zhǎng),安裝簡(jiǎn)便。

【甘肅電子水表報(bào)價(jià)】←采購→【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?，利?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)您來講，是多么的省心?。≌嬲龂鴥?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，說出來你可能不信，只要兩萬左右，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，洗潔精的營銷等各方面給予創(chuàng)業(yè)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(chuàng)業(yè)，無壓力，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：

      可直接將自來水或井水進(jìn)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(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)

201AA快干膠

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，切忌陽光直射，

有關(guān)注意事項(xiàng)請(qǐng)參閱產(chǎn)品標(biāo)簽。