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德化縣工業活塞式冷水機組運行時的四大程序(1)

2023-12-02

激光冷凍機

制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)可分為:壓縮式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)、吸收式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)、蒸(zheng)(zheng)(zheng)汽(qi)(qi)噴射式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji),半導體制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)。其中(zhong)蒸(zheng)(zheng)(zheng)汽(qi)(qi)壓縮式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)(活(huo)(huo)塞式(shi)(shi)(shi)、回轉式(shi)(shi)(shi)、螺桿(gan)式(shi)(shi)(shi)、離心(xin)式(shi)(shi)(shi))、吸收式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)和(he)蒸(zheng)(zheng)(zheng)汽(qi)(qi)噴射式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)應(ying)用較為廣泛。我國除少(shao)數大冷(leng)(leng)(leng)(leng)量和(he)特殊(shu)用途的冷(leng)(leng)(leng)(leng)凍機(ji)外,一(yi)般(ban)用途的活(huo)(huo)塞式(shi)(shi)(shi)、離心(xin)式(shi)(shi)(shi)、螺桿(gan)式(shi)(shi)(shi)、渦旋式(shi)(shi)(shi) 、溴化鋰吸收式(shi)(shi)(shi)、蒸(zheng)(zheng)(zheng)汽(qi)(qi)噴射式(shi)(shi)(shi)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji),以(yi)及(ji)冷(leng)(leng)(leng)(leng)凍、冷(leng)(leng)(leng)(leng)藏、低溫試驗等設(she)備都能(neng)自己制(zhi)(zhi)(zhi)(zhi)造

冷卻機設備

低溫制冷機

吸收式德化縣工業活塞(sai)式冷水機組的自動(dong)運行,需要將與機組正常運行有(you)關的泵、風(feng)機等設備與控制儀表聯(lian)動(dong),并根據機組特點制定啟動(dong)、停止、抽真空、自動(dong)溶晶等程序。

圓型水塔
1、設計合理:“冷卻塔在設計上主動追求環保新概念,充分采用了新技術開發,全面改造冷卻塔內各部件形式材質,使得產品高性能化和冷卻**、飛水量少、噪音低、強度大、易組裝、易保養。使該產品能夠適用于各種高要求的場所。
2、應用(yong)廣(guang)泛:冷卻塔使用(yong)范圍比較廣(guang)泛,特別適用(yong)于空調業(ye)和(he)制冷業(ye)與漂染業(ye),并且為其它(ta)一般(ban)行業(ye)提(ti)供(gong)*為寧靜(jing)的冷卻功能。超靜(jing)環保型設計(ji),因(yin)運(yun)作音量已降至**,*適合于噪音管制區域安裝。

冷水機

1. 開始

2、超低溫冷水機組運行平穩、可靠,不易損壞,噪聲較低。由于壓縮機潤滑油是靠高低壓差進行供油的,壓縮機內置油有很高的分油效率。還可以吸收機組的噪聲。
3、超(chao)低溫冷水機組內置大體積(ji)容量雪(xue)種(zhong)儲液罐保證(zheng)雪(xue)種(zhong)充足(zu)、設置多塊板式換(huan)(huan)熱器保證(zheng)換(huan)(huan)熱功(gong)率的(de)足(zu)夠(gou)、在制冷回液末端(duan)設置氣液分(fen)離器進(jin)行(xing)氣液分(fen)離保證(zheng)無液體進(jin)入壓(ya)縮(suo)機造成連桿碎擊,避免壓(ya)縮(suo)機因(yin)此報廢。

先啟(qi)動冷(leng)(leng)(leng)(leng)卻水泵、冷(leng)(leng)(leng)(leng)媒水泵和冷(leng)(leng)(leng)(leng)卻塔風機,然后打開蒸(zheng)汽(qi)(qi)源止汽(qi)(qi)閥。待制(zhi)冷(leng)(leng)(leng)(leng)劑水流(liu)量、熏(xun)蒸(zheng)盆度、溶解溫度、彈(dan)簧熱繼電器正常(chang)后,按啟(qi)動按鈕(niu),溶液泵工作(zuo),吸收泵工作(zuo)。可自動調節的(de)蒸(zheng)汽(qi)(qi)(或冷(leng)(leng)(leng)(leng)凝液)調節閥工作(zuo),供(gong)蒸(zheng)汽(qi)(qi)。冷(leng)(leng)(leng)(leng)卻液水位到達(da)后,冷(leng)(leng)(leng)(leng)卻液水泵工作(zuo)。

2. 停車:

①停止令發出后,會停止一些正常的安全設備(bei)。關閉(bi)蒸汽(或冷凝(ning))調(diao)節(jie)閥。進(jin)入(ru)自動稀釋(shi)操作,直到濃縮溶液進(jin)入(ru)發生器(qi)和吸(xi)收器(qi)。

②將介質稀溶液(ye)充分(fen)混合,充分(fen)吸收蒸發器(qi)制(zhi)冷劑(ji)蒸汽。當(dang)溶液(ye)溫度降至(zhi)45℃以下(xia)時(shi),溫控(kong)器(qi)起作用,溶液(ye)泵和制(zhi)冷劑(ji)泵停止運行。一般情況下(xia),自(zi)動(dong)稀釋時(shi)間為15分(fen)鐘左(zuo)右,因此(ci)也采用時(shi)間繼電器(qi)作為自(zi)動(dong)稀釋過程結束的(de)信(xin)號。

最(zui)后(hou)停止(zhi)德化縣工業(ye)活(huo)塞式冷(leng)(leng)水(shui)機組制(zhi)冷(leng)(leng)劑水(shui)泵(beng)、冷(leng)(leng)卻(que)水(shui)泵(beng)和冷(leng)(leng)卻(que)塔風(feng)機,關閉(bi)主蒸(zheng)汽截止(zhi)閥。

3.抽真空

制冷螺桿機

真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)工作時(shi),與真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)系(xi)(xi)統連接的(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)電磁閥打開并開始(shi)抽(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)。當真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度達(da)到設(she)計(ji)值時(shi),真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)停止(zhi)(zhi)運行,真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)電磁閥關閉,切斷真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)系(xi)(xi)統與真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)之間(jian)的(de)路徑(jing)。由于電磁閥呈三(san)通懸掛,使泵(beng)與大氣相連,從而防止(zhi)(zhi)泵(beng)內(nei)潤(run)滑(hua)油回流到真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)系(xi)(xi)統。在這(zhe)里(li),真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)的(de)啟(qi)動(dong)和(he)(he)停止(zhi)(zhi)是手(shou)動(dong)控(kong)制(zhi)的(de)。如果只在泵(beng)的(de)吸入端安裝一(yi)個**壓力變(bian)送器,就可以完(wan)全(quan)自(zi)動(dong)控(kong)制(zhi)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)的(de)啟(qi)動(dong)和(he)(he)停止(zhi)(zhi)。

4. 自動晶體融化

①管(guan)狀熔(rong)融晶體。在(zai)奧花坑機(ji)(ji)組的(de)結構設(she)計中(zhong),熔(rong)煉裝置一般(ban)采用異形管(guan)。當濃(nong)溶液在(zai)換熱器內結晶時(shi),濃(nong)溶液不(bu)能流(liu)入吸收(shou)器,發(fa)電機(ji)(ji)內液位上升。當液位上升到(dao)j型管(guan)出口時(shi),高(gao)溫濃(nong)縮溶液將通過(guo)型管(guan)直接進入吸收(shou)塔,然后溶液泵將相對高(gao)溫的(de)溶液通過(guo)換熱器送到(dao)發(fa)電機(ji)(ji)。一般(ban)結晶不(bu)嚴重時(shi),可采用j管(guan)溢流(liu)熔(rong)煉法自動恢復機(ji)(ji)組正常運行(xing)。