進(jìn)口活塞式電磁閥歐洲進(jìn)口倡導(dǎo)品牌
概述:
正確選用閥門的意義
正確選用閥門,對(duì)保證裝置安全生產(chǎn),提高閥門使用壽命,滿足裝置長周期運(yùn)行是至關(guān)重要的。許多閥門事故的主要原因是閥門選用不當(dāng),如在寒冷地區(qū)使用了鑄鐵閥門,因油中含水積于閥體中,冬季結(jié)冰很容易凍裂閥門。在一些泵體出口閥門中,由于某些原因,所需流程較低而用泵功率較大的場(chǎng)合,常常采用關(guān)小閘閥來調(diào)節(jié)流量的方法,由于閘閥板局部打開,產(chǎn)生振動(dòng),加速了閘板與閥座密封表面的磨損,很容易造成閥門的泄露。另外,閥門質(zhì)量的好壞對(duì)生產(chǎn)使用也有很大影響。
如某化肥廠發(fā)生特大爆炸事故,事故原因查明,是一起由閥門存在嚴(yán)重質(zhì)量問題造成的責(zé)任事故。爆炸原因是:兩段出口閥門承受不住正常工作壓力突然爆裂,止回閥失靈,系統(tǒng)內(nèi) 0.75MPa 的半水煤氣迅速溢出,與周圍空氣混合形成爆炸性氣體空間,發(fā)生氣體化學(xué)爆炸。據(jù)檢測(cè)該閥門有多項(xiàng)指標(biāo)不符合國家有關(guān)標(biāo)準(zhǔn)。另外,這兩種均為以水、蒸汽和油類為介質(zhì)的閥門,非可燃?xì)怏w閥門,設(shè)計(jì)部門選型也是錯(cuò)誤的。因此,正確選擇閥門對(duì)裝置生產(chǎn)、安全、長周期運(yùn)行,提高效率都顯得非常重要。
選用閥門的原則
石油化工生產(chǎn)裝置用閥門應(yīng)滿足以下基本原則
可靠性
石油化工生產(chǎn)要求連續(xù)、平穩(wěn)、長周期運(yùn)行。因此,要求采用的閥門應(yīng)有高的可靠性,安全系數(shù)大,不能因?yàn)殚y門故障造成重大生產(chǎn)安全及傷亡事故;滿足裝置長周期運(yùn)行的要求,長周期連續(xù)生產(chǎn)就是效益;另外,減少或避免由于閥門引起的“跑、冒、滴、漏”,創(chuàng)建清潔、文明工廠、推行 HSE 管理。
滿足工藝生產(chǎn)要求
閥門應(yīng)滿足操作介質(zhì)、壓力溫度及用途需要,這也是閥門選用基本的要求。例如需要閥門起超壓保護(hù)作用,排放多余介質(zhì)的,應(yīng)選用安全閥、溢流閥;需要防止操作過程中介質(zhì)回流的,應(yīng)采用止回閥;需要自動(dòng)排出蒸汽管道和設(shè)備中不斷產(chǎn)生的冷凝水、空氣及其他不可冷凝性氣體,同時(shí)又要阻止蒸汽逸出,應(yīng)選用疏水閥。另外,對(duì)有腐蝕介質(zhì),應(yīng)選用耐腐蝕材料閥體等。
操作、安裝、檢修維修方便
閥門安全好后,應(yīng)能使操作人員正確識(shí)別閥門方向、開度標(biāo)志、指示信號(hào),便于及時(shí)果斷地處理各種應(yīng)急故障。同時(shí),所選閥門類型結(jié)構(gòu)應(yīng)盡量簡單,安裝和檢修維修方便。
奧萊斯OLES
作為一個(gè)有責(zé)任感的企業(yè)組織,我們承諾為持續(xù)地保護(hù)和改善環(huán)境、持續(xù)地提升保障員工 的職業(yè)健康安全的能力而不懈努力。為貫徹維護(hù)此方針。
OLES承諾:
遵守所有相關(guān)的環(huán)保、職業(yè)健康安全法律、法規(guī)和其他要求;
致力滿足客戶、相關(guān)方的環(huán)保和職業(yè)健康安全需求;
持續(xù)改善環(huán)境績效,降低資源能源耗用和廢物排放,使用安全環(huán)保原材料,推行綠色設(shè) 計(jì)、清潔生產(chǎn),向市場(chǎng)提供綠色和安全可靠的產(chǎn)品;
采取積極主動(dòng)的安全管理模式,預(yù)防事故發(fā)生、降低事故發(fā)生率;
持續(xù)改善生產(chǎn)過程中的工業(yè)安全衛(wèi)生條件,為全體員工提供一個(gè)健康安全的工作環(huán)境, 保障員工的職業(yè)健康安全;
定期評(píng)審與完善環(huán)境、職業(yè)健康安全方針,確保與公司的戰(zhàn)略發(fā)展目標(biāo)相適宜,并成為 公司戰(zhàn)略發(fā)展計(jì)劃的有機(jī)組成部分;
培訓(xùn)我們所有員工,使之成為對(duì)環(huán)境、健康安全負(fù)責(zé)的員工;
向我們的供應(yīng)商廣泛宣傳,努力提高供應(yīng)商在環(huán)境、職業(yè)健康安全方面的管理績效; 與所有關(guān)心愛護(hù)環(huán)保、職業(yè)健康安全的公眾共享此方針。 在奧萊斯OLES,可持續(xù)地發(fā)展使我們的創(chuàng)新更有意義,我們的生態(tài)愿景計(jì)劃是實(shí)現(xiàn)此 愿景的一個(gè)主要驅(qū)動(dòng)力。
德國奧萊斯OLES品牌的企業(yè)公民戰(zhàn)略體現(xiàn)了我們?cè)谡\信經(jīng)營和環(huán)保意識(shí)、創(chuàng)新發(fā)展、生命 健康和安全等方面的實(shí)力。我們的實(shí)力必須同時(shí)也在新興市場(chǎng)的業(yè)務(wù)開展中得到反映和應(yīng) 用。這些地區(qū)是我們未來業(yè)務(wù)增長和成功的關(guān)鍵因素,也是我們企業(yè)公民戰(zhàn)略的重要組成 部分。GERMANY OLES在其所發(fā)展和服務(wù)的區(qū)域堅(jiān)持恪守誠信和勇于創(chuàng)新的企業(yè)文化,我們 期望以此提高公民、員工和投資者的生活質(zhì)量
Oles OLES
As a responsible enterprise organization, we are committed to make unremitting efforts to continuously protect and improve the environment and continuously enhance the ability to safeguard employees'occupational health and safety. In order to implement and maintain this policy.
OLES Commitment:
Comply with all relevant laws, regulations and other requirements of environmental protection, occupational health and safety;
To meet the environmental protection and occupational health and safety needs of customers and relevant parties;
Continuously improve environmental performance, reduce resource and energy consumption and waste emissions, use safe and environmentally friendly raw materials, promote green design and clean production, and provide green and safe and reliable products to the market;
To adopt a proactive safety management model to prevent accidents and reduce the incidence of accidents;
Continuously improve the industrial safety and health conditions in the production process, provide a healthy and safe working environment for all employees, and ensure the occupational health and safety of employees;
Regular review and improvement of environmental and occupational health and safety policies to ensure that they are appropriate to the company's strategic development goals and become an integral part of the company's strategic development plan;
Train all our employees to be responsible for the environment, health and safety.
Extensive publicity is given to our suppliers to improve their management performance in environmental and occupational health and safety, and this policy is shared with all the public who care about environmental protection and occupational health and safety. In Oles OLES, sustainable development makes our innovation more meaningful, and our ecological vision plan is a major driving force for achieving this vision.
The corporate citizenship strategy of OLES brand in Germany embodies our strength in honest management and environmental protection awareness, innovation and development, life, health and safety. Our strength must also be reflected and applied in the business development of emerging markets. These areas are the key factors for our future business growth and success, as well as an important part of our corporate citizenship strategy. GERMANY OLES adheres to the corporate culture of integrity and innovation in the areas it develops and serves, a