脫硫脫硝之脫硫泵在日常生活中的應(yīng)用.docxVIP

脫硫脫硝之脫硫泵在日常生活中的應(yīng)用發(fā)布時間：2013-8-3雙吸泵作為脫硫脫硝的一種重要形式，因其具有揚程高、流量大等特點，在工程中得到廣泛應(yīng)用。這種泵型的葉輪實際上由兩個背靠背的葉輪組合而成，從葉輪流出的水流匯入一個蝸殼中。雙吸泵具有如下一些特點：它相當于兩個相同直徑的單吸葉輪同時工作，在同樣的葉輪外徑下流量可增大一倍；泵殼水平中開，檢查和維修方便，同時，雙吸泵進出口在同一方向上且垂直于泵軸，利于泵和進出水管的布置與安裝；雙吸泵的葉輪結(jié)構(gòu)對稱，沒有軸向力，運行較平穩(wěn)。Double suction pump as an important form of centrifugal pump, it has the characteristic of high lift, large flow, get the extensive application in the engineering. The impeller pump impeller combination actually consists of two back-to-back and become, from the impeller flow into a scroll. Double suction pump has the following advantages: it is equivalent to two of the same diameter of single suction impeller working at the same time, can increase one times on the impeller diameter under the same flow; pump shell level, inspection and repair convenient, at the same time, double suction pump inlet and outlet in the same direction and perpendicular to the shaft, to the pump inlet and outlet pipe layout and installation of symmetric double suction pump; impeller structure, no axial force, relatively stable operation.雙吸泵的結(jié)構(gòu)特點Structure characteristics of double suction pump結(jié)構(gòu)緊湊：外形美觀，穩(wěn)定性好，便于安裝。Compact: beautiful appearance, good stability, easy to install.運行平穩(wěn)：優(yōu)化設(shè)計的雙吸葉輪使軸向力減小到最低限度，且有優(yōu)異水力性能的葉型，并經(jīng)精密鑄造，脫硫泵泵殼內(nèi)表面及葉輪表面極其光華具有顯著的抗汽蝕性能和高效率。Stable operation: optimization of double suction impeller design makes the axial force is reduced to the minimum, leaf type and have excellent hydraulic performance, and the precision casting, desulphurization pump shell and impeller surface very Guanghua has significant anti cavitation performance and efficiency.軸封：選用BURGMANN機械密封或填料密封。能保證8000小時運行無泄漏。軸承：選用SKF及NSK軸承保證運行平穩(wěn)，噪音低，使用壽命長。Shaft seal: use of BURGMANN mechanical seal or packing seal. To guarantee running 8000 hours without leakage. Bearing: choose SKF and NSK bearings to ensure smooth running, low noise, long service life.安裝形式：裝配時不需調(diào)整，可根據(jù)現(xiàn)場使用條件。分立式或臥式安裝。Installation forms: assembly without adjustment, according to the site conditions of use. Split vertical or horizontal installation.渣漿泵的工作原理The working principle of slurry pump離心泵的工作原理和其他離心設(shè)備的工作原理基本是一樣的。由于水泵（渣漿泵屬于離心式水泵）產(chǎn)生的壓頭比其他大的多，所以其構(gòu)造也比較復(fù)雜。Working principle of centrifugal pump and centrifugal equipment is basically the same. As the pump (pump belongs to the centrifugal pump) the resulting pressure head than other big, so its structure is also more complex.首先講述一下離心泵和渣漿泵的關(guān)系，然后渣漿泵原理也就自然清晰了。離心概念是從泵原來來講的。泵有許多種，依據(jù)不同的角度可劃分幾十個類別。離心泵是從泵的工作原理上劃分，是通過離心力作用來達到給輸送介質(zhì)增壓的過程。另外還有常見的種類包括螺桿原理，柱塞原理等可以劃分出不同于離心原理的泵。說完離心泵概念，再說渣漿泵，渣漿泵又是從另外一個角度來劃分泵的，即從輸送介質(zhì)來劃分的。顧名思義，渣漿泵疏松的是含有渣滓的固體顆粒與水的混合物。但從原理上講渣漿泵屬于離心泵的一種。這樣這兩個概念就講清楚了。First talk about the relationship of centrifugal pump and slurry pump, slurry pump principle is natural and clear. Centrifugal pump is the original concept is from. The pump has many kinds, according to the different angles can be divided into dozens of categories. Centrifugal pump is divided from the work principle of the pump, the centrifugal force to achieve to process medium pressure. Another common types include screw principle, plunger principle can be divided into different from the theory of centrifugal pump. With centrifugal pump concept, and slurry pump, slurry pump is to divide the pump from another angle, namely from the transmission medium to the division. As the name implies, slurry pump loose is a mixture of solid particles and water containing waste. A but theoretically slurry pump belongs to the centrifugal pump. The two concept is clear.離心泵的主要工作部件是葉輪和機殼，機殼內(nèi)的葉輪裝置位于軸上，并與原動機連接形成一個整體。當原動機機帶動葉輪旋轉(zhuǎn)時，葉輪中的葉片迫使流體旋轉(zhuǎn)，即葉片對流體沿它的運動方向做功，從而迫使流體的壓力勢能和動能增加。與此同時，流體在慣性力的作用下，從中心向葉輪邊緣流去，并以很高的的速度流出葉輪，進入壓出室，再經(jīng)擴散管排出，這個過程稱為壓水過程。同時，由于葉輪中心的流體流向邊緣，在葉輪中心形成低壓區(qū)，當它具有足夠的真空時，在吸入端壓強的作用下（一般是大氣壓強），流體經(jīng)吸入室進入葉輪，這個過程稱為吸水過程。由于葉輪連續(xù)的旋轉(zhuǎn)，流體也就連續(xù)的排出、吸入，形成連續(xù)的工作。The main working parts of centrifugal pump is the impeller and the casing casing, impeller device located on the shaft, and is connected to form a whole with the original motivation. When the motor drives the impeller to rotate, the rotating impeller forcing the fluid, the fluid motion along the direction of work that it leaves, thus forcing the pressure potential energy and kinetic energy of the fluid increases. At the same time, the effect of fluid in the inertial force, flow from the center to the edge of the impeller, and at very high velocity outflow impeller, into the chamber, the diffusion tube, this process is called the pressurized water process. At the same time, because the fluid to the edge of the impeller center, to form a low pressure area in the center of the impeller, when it has enough vacuum suction side, in the effect of pressure (usually atmospheric pressure), flow through the suction chamber into the impeller, this process is called the water absorption process. Because the impeller rotation, the fluid is continuously discharged, inhalation, forming a continuous work.離心式的泵（包括渣漿泵）的工作過程，實際上是一個能量傳遞和轉(zhuǎn)化的過程。脫硫泵它將電動機高速旋轉(zhuǎn)的機械能，通過泵的葉片傳遞并轉(zhuǎn)化為被抽升流體的壓能和動能。Centrifugal pump (including slurry) working process, is actually a process of energy transfer and conversion. Desulfurization pump it will motor high-speed rotating mechanical energy, through the pump vane transfer and transformed into by pumping the liquid pressure energy and kinetic energy.渣漿泵顧名思義就是一種能輸送含有較大顆粒度雜質(zhì)，或者輸送含有顆粒型磨蝕性、腐蝕性雜質(zhì)的漿體的離心泵。一般流量Q=30-1900立方米/小時；揚程H=7-230米；有單級、臥式懸臂式離心泵。泵內(nèi)由內(nèi)殼與蝸殼、護板組成雙層結(jié)構(gòu)，過流件用高鉻合金制成。渣漿泵采用副葉輪與填料組合軸封，密封效果較好。渣漿泵常用于火力發(fā)電廠除灰系統(tǒng)用泵，排放灰渣、選煤廠輸送煤漿、礦山排放礦渣等場合。As the name suggests is a slurry pump can transport with larger particles of impurities, centrifugal pump or conveying slurry containing granular abrasive, corrosive impurity. The general flow of Q=30-1900 cubic meters / hour; lift H=7-230 meters; there are single stage, the horizontal cantilever