脱硫脱硝之脱硫泵在日常生活中的应用.docx

脱硫脱硝之脱硫泵在日常生活中的应用发布时间：2013-8-3双吸泵作为脱硫脱硝的一种重要形式，因其具有扬程高、流量大等特点，在工程中得到广泛应用。这种泵型的叶轮实际上由两个背靠背的叶轮组合而成，从叶轮流出的水流汇入一个蜗壳中。双吸泵具有如下一些特点：它相当于两个相同直径的单吸叶轮同时工作，在同样的叶轮外径下流量可增大一倍；泵壳水平中开，检查和维修方便，同时，双吸泵进出口在同一方向上且垂直于泵轴，利于泵和进出水管的布置与安装；双吸泵的叶轮结构对称，没有轴向力，运行较平稳。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.双吸泵的结构特点Structure characteristics of double suction pump结构紧凑：外形美观，稳定性好，便于安装。Compact: beautiful appearance, good stability, easy to install.运行平稳：优化设计的双吸叶轮使轴向力减小到最低限度，且有优异水力性能的叶型，并经精密铸造，脱硫泵泵壳内表面及叶轮表面极其光华具有显著的抗汽蚀性能和高效率。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.轴封：选用BURGMANN机械密封或填料密封。能保证8000小时运行无泄漏。轴承：选用SKF及NSK轴承保证运行平稳，噪音低，使用寿命长。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.安装形式：装配时不需调整，可根据现场使用条件。分立式或卧式安装。Installation forms: assembly without adjustment, according to the site conditions of use. Split vertical or horizontal installation.渣浆泵的工作原理The working principle of slurry pump离心泵的工作原理和其他离心设备的工作原理基本是一样的。由于水泵（渣浆泵属于离心式水泵）产生的压头比其他大的多，所以其构造也比较复杂。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.首先讲述一下离心泵和渣浆泵的关系，然后渣浆泵原理也就自然清晰了。离心概念是从泵原来来讲的。泵有许多种，依据不同的角度可划分几十个类别。离心泵是从泵的工作原理上划分，是通过离心力作用来达到给输送介质增压的过程。另外还有常见的种类包括螺杆原理，柱塞原理等可以划分出不同于离心原理的泵。说完离心泵概念，再说渣浆泵，渣浆泵又是从另外一个角度来划分泵的，即从输送介质来划分的。顾名思义，渣浆泵疏松的是含有渣滓的固体颗粒与水的混合物。但从原理上讲渣浆泵属于离心泵的一种。这样这两个概念就讲清楚了。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.离心泵的主要工作部件是叶轮和机壳，机壳内的叶轮装置位于轴上，并与原动机连接形成一个整体。当原动机机带动叶轮旋转时，叶轮中的叶片迫使流体旋转，即叶片对流体沿它的运动方向做功，从而迫使流体的压力势能和动能增加。与此同时，流体在惯性力的作用下，从中心向叶轮边缘流去，并以很高的的速度流出叶轮，进入压出室，再经扩散管排出，这个过程称为压水过程。同时，由于叶轮中心的流体流向边缘，在叶轮中心形成低压区，当它具有足够的真空时，在吸入端压强的作用下（一般是大气压强），流体经吸入室进入叶轮，这个过程称为吸水过程。由于叶轮连续的旋转，流体也就连续的排出、吸入，形成连续的工作。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.离心式的泵（包括渣浆泵）的工作过程，实际上是一个能量传递和转化的过程。脱硫泵它将电动机高速旋转的机械能，通过泵的叶片传递并转化为被抽升流体的压能和动能。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.渣浆泵顾名思义就是一种能输送含有较大颗粒度杂质，或者输送含有颗粒型磨蚀性、腐蚀性杂质的浆体的离心泵。一般流量Q=30-1900立方米/小时；扬程H=7-230米；有单级、卧式悬臂式离心泵。泵内由内壳与蜗壳、护板组成双层结构，过流件用高铬合金制成。渣浆泵采用副叶轮与填料组合轴封，密封效果较好。渣浆泵常用于火力发电厂除灰系统用泵，排放灰渣、选煤厂输送煤浆、矿山排放矿渣等场合。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