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渣漿泵軸流式壓縮機(jī)的出現(xiàn)歷程
軸流式壓縮機(jī)的出現(xiàn)則比離心式壓縮機(jī)要晚些。 在30年代軸流式壓縮機(jī)才得到快速發(fā)展。從20世紀(jì)40年代開始，軸流式壓縮機(jī)已廣泛應(yīng)用于航空燃?xì)廨啓C(jī)?，F(xiàn)代軸流式壓縮機(jī)效率高達(dá)86%~90% ,甚至更高，廣泛應(yīng)用于發(fā)電燃?xì)廨啓C(jī)船用和機(jī)車燃?xì)馔钙窖b置中。目前軸流式壓縮機(jī)在流量為300~ 2500m3 /min排氣壓力為(3~40)x 105 Pa的范圍內(nèi)得到廣泛應(yīng)用。
離心式壓縮機(jī)在向大型、節(jié)能、高可靠性方向發(fā)展，技術(shù)開發(fā)的重點(diǎn)轉(zhuǎn)向了提高產(chǎn)品的可靠性和運(yùn)行效率、降低能源消耗、改進(jìn)生產(chǎn)工藝方法等方面。隨著新技術(shù)的發(fā)展,三元流動(dòng)理論被應(yīng)用到葉輪和擴(kuò)壓器等流動(dòng)部件的設(shè)計(jì)中，以期達(dá)到最高的機(jī)組效率，設(shè)備故障診斷與控制技術(shù)、噪聲治理與控制技術(shù)將逐步得到使用。由于采用了高效率的三元葉輪及與其匹配的固定元件，壓縮機(jī)整機(jī)效率已經(jīng)高達(dá)88%以上，而且運(yùn)轉(zhuǎn)平穩(wěn),檢測(cè)、報(bào)警及聯(lián)鎖停車系統(tǒng)控制水平高，可保證裝置3年以上的運(yùn)轉(zhuǎn)周期。近十幾年,干氣密封技術(shù)基本取代了浮環(huán)密封和傳統(tǒng)的機(jī)械密封從而得到廣泛應(yīng)用。德國(guó)MAN公司將磁懸浮軸承、高速電動(dòng)機(jī)和大功率變頻器技術(shù)結(jié)合形成的整體式壓縮機(jī)和電動(dòng)機(jī)結(jié)構(gòu),取代了干氣密封和傳統(tǒng)的軸承系統(tǒng)，使得離心式壓縮機(jī)和驅(qū)動(dòng)電動(dòng)機(jī)的結(jié)構(gòu)更加緊湊,操作也更加方便。渣漿泵廠家
目前往復(fù)式壓縮機(jī)的發(fā)展方向是:大容量、高壓力、結(jié)構(gòu)緊湊、能耗少、噪聲低、效率高和可靠性高;在產(chǎn)品設(shè)計(jì)上，應(yīng)用壓縮機(jī)熱力學(xué)、動(dòng)力學(xué)計(jì)算軟件和壓縮機(jī)工作過(guò)程模擬軟件等，提高了計(jì)算準(zhǔn)確度。
The history of axial compressor of slurry pump
Axial compressor appears later than centrifugal compressor. In the 1930s, axial compressors developed rapidly. Since 1940s, axial compressor has been widely used in aviation gas turbine. The efficiency of modern axial compressor is up to 86% ~ 90%, even higher. It is widely used in marine and locomotive gas turbine. At present, axial-flow compressor is widely used in the range of discharge pressure (3 ~ 40) x 105 PA with flow of 300 ~ 2500m3 / min.
Centrifugal compressor is developing towards large-scale, energy-saving and high reliability. The focus of technology development has shifted to improving the reliability and operation efficiency of products, reducing energy consumption and improving production process. With the development of new technology, three-dimensional flow theory is applied to the design of flow components such as impellers and diffusers in order to achieve the highest unit efficiency. Equipment fault diagnosis and control technology, noise control and control technology will be gradually used. Due to the use of high-efficiency three-dimensional impeller and its matching fixed elements, the overall efficiency of the compressor has reached more than 88%, and the operation is stable, and the control level of detection, alarm and interlocking shutdown system is high, which can ensure the operation cycle of the device for more than 3 years. In recent ten years, dry gas seal technology has been widely used instead of floating ring seal and traditional mechanical seal. Man company of Germany combines magnetic bearing, high-speed motor and high-power inverter technology to form integral compressor and motor structure, replacing dry gas seal and traditional bearing system, which makes the structure of centrifugal compressor and driving motor more compact and operation more convenient. Slurry pump manufacturer
At present, the development direction of reciprocating compressor is: large capacity, high pressure, compact structure, less energy consumption, low noise, high efficiency and high reliability; in product design, the application of compressor thermodynamics, dynamics calculation software and compressor working process simulation software improves the calculation accuracy.
