化學實驗室設計要點

發布日期:
2023-03-08

? ? ? 化學(xue)實(shi)驗室設(she)計的實驗(yan)(yan)操作一般是在(zai)(zai)實驗(yan)(yan)臺上(shang)(shang)以實驗(yan)(yan)反應(ying)的形(xing)式進行的,這(zhe)為(wei)建立當地(di)通(tong)風(feng)系統(tong)創造(zao)了有利(li)條件: 在(zai)(zai)產生有害(hai)物質的當地(di)直(zhi)接收集、清潔和排(pai)放。因此,化學實驗(yan)(yan)室的通(tong)風(feng)設計應(ying)以局部排(pai)風(feng)系統(tong)為(wei)主,盡量不要采用綜合通(tong)風(feng)。由(you)于(yu)稀釋原理(li),需(xu)要的空(kong)氣(qi)(qi)量遠大于(yu)局部排(pai)氣(qi)(qi)量,空(kong)氣(qi)(qi)分布不合理(li),造(zao)成有害(hai)氣(qi)(qi)體(ti)向操作區域擴散。過去,在(zai)(zai)實驗(yan)(yan)室外墻上(shang)(shang)安裝軸流風(feng)機或風(feng)機往往會(hui)導致空(kong)氣(qi)(qi)短路,有害(hai)氣(qi)(qi)體(ti)從外窗逸出(chu)。

化學實驗室設計要點

? ? ??實(shi)驗(yan)(yan)室(shi)(shi)(shi)通(tong)風(feng)(feng)(feng)(feng)(feng)也(ye)(ye)應(ying)(ying)(ying)考(kao)慮(lv)供氣(qi)設計(ji)。在(zai)過(guo)去的(de)(de)(de)(de)設計(ji)中,往往存(cun)在(zai)重排(pai)氣(qi)輕送(song)風(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)(de)傾向。但(dan)(dan)從空氣(qi)平衡的(de)(de)(de)(de)角度來(lai)看,送(song)風(feng)(feng)(feng)(feng)(feng)不(bu)暢(chang)最終(zhong)會導(dao)致(zhi)排(pai)風(feng)(feng)(feng)(feng)(feng)不(bu)暢(chang)。在(zai)排(pai)風(feng)(feng)(feng)(feng)(feng)量(liang)較小的(de)(de)(de)(de)情況下,門窗(chuang)縫隙補充的(de)(de)(de)(de)方式可(ke)以滿足(zu)需(xu)要補充的(de)(de)(de)(de)要求;但(dan)(dan)是在(zai)一些有(you)大量(liang)通(tong)風(feng)(feng)(feng)(feng)(feng)柜的(de)(de)(de)(de)實(shi)驗(yan)(yan)室(shi)(shi)(shi),如(ru)果還是不(bu)考(kao)慮(lv)的(de)(de)(de)(de)話,最后的(de)(de)(de)(de)結果會增加排(pai)風(feng)(feng)(feng)(feng)(feng)系(xi)統(tong)的(de)(de)(de)(de)阻力,導(dao)致(zhi)排(pai)風(feng)(feng)(feng)(feng)(feng)量(liang)不(bu)足(zu)。現(xian)行《科學實(shi)驗(yan)(yan)建筑(zhu)設計(ji)規范》(JGJ 91.93)第6.3.4條明確規定,工作時間(jian)連(lian)續使(shi)(shi)用排(pai)風(feng)(feng)(feng)(feng)(feng)系(xi)統(tong)的(de)(de)(de)(de)實(shi)驗(yan)(yan)室(shi)(shi)(shi)應(ying)(ying)(ying)設置(zhi)送(song)風(feng)(feng)(feng)(feng)(feng)系(xi)統(tong),送(song)風(feng)(feng)(feng)(feng)(feng)量(liang)應(ying)(ying)(ying)為排(pai)風(feng)(feng)(feng)(feng)(feng)量(liang)的(de)(de)(de)(de)70%,并按工藝要求凈化送(song)風(feng)(feng)(feng)(feng)(feng)量(liang)。對于(yu)采暖地區,冬季應(ying)(ying)(ying)加熱(re)(re)送(song)風(feng)(feng)(feng)(feng)(feng)。供氣(qi)流量(liang)不(bu)應(ying)(ying)(ying)損(sun)害實(shi)驗(yan)(yan)室(shi)(shi)(shi)排(pai)氣(qi)裝置(zhi)的(de)(de)(de)(de)正常工作。間(jian)歇(xie)使(shi)(shi)用排(pai)氣(qi)系(xi)統(tong)且每小時排(pai)氣(qi)超過(guo)兩次的(de)(de)(de)(de)實(shi)驗(yan)(yan)室(shi)(shi)(shi)應(ying)(ying)(ying)配備(bei)有(you)組織(zhi)的(de)(de)(de)(de)自然進氣(qi)口。對于(yu)采暖地區,冬季應(ying)(ying)(ying)補充送(song)風(feng)(feng)(feng)(feng)(feng)和(he)進風(feng)(feng)(feng)(feng)(feng)系(xi)統(tong)的(de)(de)(de)(de)耗熱(re)(re)量(liang)。這也(ye)(ye)說明了送(song)風(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)(de)必要性(xing)(xing)和(he)重要性(xing)(xing)。

? ? ??根據(ju)其(qi)功能,化(hua)學(xue)(xue)(xue)研(yan)究實(shi)驗室(shi)(shi)(shi)(shi)(shi)可分為有機(ji)結合(he)化(hua)學(xue)(xue)(xue)、無(wu)機(ji)化(hua)學(xue)(xue)(xue)、分析進行化(hua)學(xue)(xue)(xue)、物(wu)理學(xue)(xue)(xue)習化(hua)學(xue)(xue)(xue)、化(hua)學(xue)(xue)(xue)教學(xue)(xue)(xue)實(shi)驗室(shi)(shi)(shi)(shi)(shi)、儀器室(shi)(shi)(shi)(shi)(shi)、平衡室(shi)(shi)(shi)(shi)(shi)、制(zhi)備(bei)(bei)室(shi)(shi)(shi)(shi)(shi)等。成都(dou)(dou)手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)凈(jing)化(hua)網絡公(gong)(gong)(gong)司(si)(si)可以(yi)保(bao)證手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)臺的(de)(de)清(qing)(qing)潔度(du)達(da)標(biao),一(yi)般都(dou)(dou)是(shi)(shi)采用(yong)垂直(zhi)流工作(zuo)主要包括用(yong)于提(ti)高公(gong)(gong)(gong)司(si)(si)的(de)(de)管理和合(he)并(bing)處理措施。手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)是(shi)(shi)一(yi)個“正壓”環(huan)境(jing),其(qi)空(kong)(kong)氣質(zhi)量(liang)壓力以(yi)及(ji)根據(ju)其(qi)不同民族區(qu)域(如手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)、無(wu)菌(jun)準備(bei)(bei)室(shi)(shi)(shi)(shi)(shi)、刷(shua)牙室(shi)(shi)(shi)(shi)(shi)、麻醉室(shi)(shi)(shi)(shi)(shi)和周圍清(qing)(qing)潔生(sheng)產區(qu)域)的(de)(de)清(qing)(qing)潔度(du)而有所了(le)解不同。成都(dou)(dou)手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)裝(zhuang)飾有限公(gong)(gong)(gong)司(si)(si)沒有采用(yong)空(kong)(kong)氣清(qing)(qing)潔能源技術(shu)(shu)(shu)風(feng)險控制(zhi)微(wei)生(sheng)物(wu)污(wu)染,滿足內部控制(zhi)活(huo)動空(kong)(kong)間資源環(huan)境(jing)中(zhong)空(kong)(kong)氣清(qing)(qing)潔度(du)的(de)(de)要求(qiu);并(bing)提(ti)供(gong)一(yi)些適(shi)(shi)當的(de)(de)溫濕(shi)度(du),創(chuang)造(zao)一(yi)種清(qing)(qing)潔舒適(shi)(shi)的(de)(de)手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)時間空(kong)(kong)間數據(ju)環(huan)境(jing)。由于手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)應嚴格有效(xiao)控制(zhi)低(di)細(xi)菌(jun)數量(liang)和低(di)麻醉氣體濃度(du),因此層流超凈(jing)裝(zhuang)置(zhi)的(de)(de)穩定(ding)性是(shi)(shi)層流凈(jing)化(hua)手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)的(de)(de)重要基(ji)礎驗收評(ping)價指(zhi)標(biao)。成都(dou)(dou)實(shi)驗室(shi)(shi)(shi)(shi)(shi)裝(zhuang)飾工程公(gong)(gong)(gong)司(si)(si)實(shi)現高效(xiao)信息(xi)安全的(de)(de)手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)空(kong)(kong)氣凈(jing)化(hua)社會系(xi)統,確保(bao)手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)的(de)(de)無(wu)菌(jun)環(huan)境(jing),能滿足手(shou)(shou)(shou)(shou)術(shu)(shu)(shu)室(shi)(shi)(shi)(shi)(shi)所需的(de)(de)高效(xiao)低(di)毒(du)(du)環(huan)境(jing),如心臟和血液更換。采用(yong)更加高效(xiao)低(di)毒(du)(du)消毒(du)(du)劑,是(shi)(shi)無(wu)菌(jun)環(huan)境(jing)的(de)(de)保(bao)證。

????? 施工設(she)(she)計應美觀(guan)舒適(shi),具有防(fang)火、防(fang)潮(chao)、防(fang)腐(fu)等性能,增加(jia)通風、凈化、消毒(du)、消毒(du)等功(gong)能,達到環保、安全、可靠、耐用的(de)目(mu)的(de)。從材料選擇、實驗室布局、水力(li)配置、通風系(xi)統(tong)、消防(fang)等方面綜(zong)合考(kao)慮了現代高效化學實驗室的(de)建設(she)(she)與設(she)(she)計。戰斗系(xi)統(tong),甚至(zhi)三廢處理。

????? 實(shi)驗(yan)室內的水(shui)、電、防火、排(pai)污(wu)、排(pai)風(feng)、照明(ming)、通(tong)風(feng)等因用途不同(tong)應有(you)所區(qu)別。比(bi)如有(you)機(ji)化學實(shi)驗(yan)室,對通(tong)風(feng)、防火、防腐的要(yao)求更高(gao);分析儀器室對照明(ming)和環境(jing)要(yao)求高(gao);吊頂房間對防震、平直、防塵要(yao)求高(gao)。

????? 實(shi)驗室布局設(she)計。

????? 首先(xian),我們必(bi)須(xu)了解實驗室(shi)的性(xing)質和(he)規模。例(li)如,教學和(he)研(yan)究實驗室(shi)的規模和(he)布局各不相同。大而珍貴的儀器(qi)室(shi)不同于普通的儀器(qi)室(shi)。

????? 綜合教學實驗(yan)室(shi)室(shi)內(nei)面(mian)積約(yue)120平方米,長寬(kuan)比為1。2:1比較合適。考慮到(dao)實驗(yan)室(shi)的樓層(ceng)(ceng)布局,有機化學實驗(yan)室(shi)通常(chang)設在(zai)較高的樓層(ceng)(ceng),便于通風(feng)和(he)排風(feng),分(fen)析儀器(qi)室(shi)應(ying)設在(zai)三層(ceng)(ceng)以上,不能超過一層(ceng)(ceng)。

????? 大型或重型儀器通常(chang)安(an)裝在化(hua)學(xue)、工藝(yi)和其他國(guo)家實(shi)驗(yan)(yan)室,因此應設置(zhi)在一樓。根(gen)據中(zhong)國(guo)實(shi)驗(yan)(yan)數據平臺(tai)的設計技術標準,每個企業中(zhong)心通過(guo)實(shi)驗(yan)(yan)教(jiao)學(xue)平臺(tai)應能容納12名學(xue)生(組(zu))進行分析實(shi)驗(yan)(yan)。

????? 有(you)機(ji)實(shi)驗(yan)室的中心站應配備吸收(shou)過濾(lv)器、冷(leng)卻水龍(long)頭和通風系統。中央試驗(yan)臺(tai)與邊(bian)座之(zhi)間的距離(li)大于1.2米(mi),中央試驗(yan)臺(tai)與邊(bian)座之(zhi)間的距離(li)大于1.1米(mi)。

????? 特別是要(yao)充(chong)分考慮工(gong)作空間,保證(zheng)測試運(yun)行(xing)不(bu)受人流(liu)影響(xiang)。實驗室(shi)(shi)應配備(bei)學生(sheng)書柜(ju)、無機(ji)實驗室(shi)(shi)和分析(xi)實驗室(shi)(shi)。

????? 實驗(yan)室采(cai)光

????? 根據大量大學生的(de)反應(ying)(ying),在夜間開設實(shi)驗課是(shi)正常的(de),實(shi)驗室(shi)應(ying)(ying)安裝足(zu)夠的(de)燈(deng)(deng)具。在設置光(guang)源時,應(ying)(ying)考慮(lv)光(guang)線和(he)陰影(ying)對觀察到的(de)實(shi)驗現象的(de)影(ying)響。該方案(an)采用單(dan)一(yi)熒光(guang)燈(deng)(deng)的(de)正方形布局,以提高照明率,達到燈(deng)(deng)下無陰影(ying)的(de)效(xiao)果(guo),或(huo)以輔助光(guang)填充陰影(ying)區域(yu)。門窗(chuang)的(de)設計應(ying)(ying)保證對流通風,避免陽(yang)光(guang)直射儀器(qi),實(shi)驗室(shi)的(de)設計應(ying)(ying)選擇正確的(de)方向(xiang)。


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