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  • 影响MVR蒸发器价格的因素有哪些
  • 本站编辑:江西泽川环保科技有限公司发布日期:2019-11-05 20:48 浏览次数:

随着现代工业的迅速发展和城市化进程的加快,大量的开采利用水资源,废水处理已成为当今社会备受关注的问题之一。而在废水处理的方法中MVR蒸发器的使用也变得越来越广泛。很多人都在询问MVR蒸发器多少钱?那你知道影响MVR蒸发器价格的因素有哪些吗?

一般情况下一整套MVR蒸发器是由加热器、分离器、预热器、蒸汽压缩机、泵组、稠厚器、母液罐、离心机、电气仪表控制及阀门、管路等组成

MVR蒸发器的价格也受根据物料、蒸发器量处理量,所选择的材质、整套设备的材质以及MVR蒸发器动力设备泵及压缩机的价格影响。

总结一下设计MVR蒸发器时,MVR蒸发器价格影响因素有以下5点:

1、物料影响MVR蒸发器材质的选择

 

根据需要处理的废水物料,不同的溶解度、浓度等所选用的蒸发器主体的材质会有所不同,常用的有钛材、316L、304、2205,还有一些不常用的原料如石墨、镍等,钛材的目前是用的较多的,也是价格相对较贵,一般情况镍材价格>钛材价格>2205价格>316L价格>304价格,镍材的价格相对较高,是由于镍有较好的抗化学腐蚀能力,在常温下,镍表面覆盖着保护性氧化膜,可以抗空气、水和某些盐溶液的作用,适合强酸、强碱。

一般大量使用镍材蒸发器的很少见,常见的大多是使用钛材,一般情况氯离子类的选用钛材,但氯离子类PH值不能过高或过低;硫类的一般选用2205材质,316L的大多适用于硫类和磷类;304适用于碳酸类、牛奶、食品类。

2、蒸发量影响MVR蒸发器的大小

一般情况,蒸发量与MVR蒸发器系统投资价格成正比,蒸发量越大所设计出的MVR蒸发器越大,价格越高。物料浓度、组成成分、处理量和蒸发量决定设备的规模,效、级的数量,蒸汽压缩机选型,蒸发面积的大小,换热器材质,设备投资的成本。

3、蒸发温度对MVR蒸发器价格的影响

蒸发温度越低,MVR蒸发系统需要保持的真空度越低,系统的密封性、壳体耐压(负压)性能都有一定的要求,对压缩机的要求更高。

4、换热器换热面积对MVR蒸发器价格的影响

换热面积的大小直接影响了MVR蒸发器系统的价格,传统蒸发器由于是使用生蒸汽,换热温差大,换热面积相对较小。而MVR蒸发器是小温差,在换热总量固定的情况下,必然以增加换热面积为代价,才能取得相同的换热效果,才能达到要求的蒸发量。

5、泵的选型对MVR蒸发器价格的影响

泵是整套MVR蒸发器系统的主要的动力设备,起输送液体的作用,MVR蒸发系统中有出料泵、进料泵、循环泵、清水泵,不同的泵有着不同的作用,价格区间也会有差别,如何合理选泵,要多方面考虑泵机组的综合指标,泵机械密封的好坏、运行时的流量、吸程、扬程、良好的抗气蚀性和抗腐蚀性都会对蒸发系统产生影响。

青岛康景辉作为蒸发节能技术的提供商,其目标是致力于工业废水的零排放和工艺浓缩蒸发过程中的节能方案。我们提供的MVR解决方案,是目前能够达到国家环保标准,同时又是性价比最高的一种解决方案。目前在橡胶助剂行业、化肥、制药、冶金助剂、高盐废水处理、垃圾渗滤液处理、煤化工废水处理、电厂脱硫废水处理、电镀废水处理工业废水处理方面,已经有了成熟的解决方案,并有样板工程。康景辉研发的MVR节能技术,克服了高温高压水蒸气对压缩机的高强度腐蚀、不稳定性、温差小等缺点,处于国际领先水平,比国外同类产品相比,能耗更低、结构更合理。和其他传统蒸发器相比具有以下优点:节能、节省空间、循环使用水资源、全自动控制、低温蒸发、系统运行稳定。

With the rapid development of modern industry and the acceleration of urbanization, a large number of mining and utilization of water resources, wastewater treatment has become one of the issues of concern in today's society. MVR evaporator has been widely used in wastewater treatment. A lot of people are asking how much is the MVR evaporator? Do you know what factors affect the price of MVR evaporator?

In general, a complete set of MVR evaporator is composed of heater, separator, preheater, steam compressor, pump set, thickener, mother liquid tank, centrifuge, electrical instrument control, valve and pipeline

The price of MVR evaporator is also affected by materials, evaporator capacity, selected materials, materials of the whole equipment, and the price of pump and compressor of MVR evaporator power equipment.

In conclusion, when designing MVR evaporator, the following five factors affect the price of MVR evaporator:

1. Materials affect the choice of material of MVR evaporator

 

According to the different solubility of need to deal with waste material, selected the evaporator and the concentration of the main body of the material will be different, commonly used with titanium, 316 l, 304, 2205, and some not commonly used materials such as graphite, nickel, titanium is used more, also be relatively expensive, general situation of nickel price > titanium cost prices 316 l > > 2205 > 304 prices, the price of nickel material is relatively high, is due to the nickel has good chemical resistance, at room temperature, nickel surface covered with a protective oxide film, can resist the role of air, water, and some salt solution, Suitable for strong acid, strong base.

Generally, it is rare to use a large amount of nickel evaporator, and most commonly titanium materials are used. Generally, titanium materials are selected for chloride ions, but the PH value of chloride ions should not be too high or too low. Sulfur is generally made of 2205 materials, while 316L is mostly suitable for sulfur and phosphorus. 304 suitable for carbonated, milk, food.

2. Evaporation affects the size of MVR evaporator

In general, evaporation is directly proportional to the investment price of MVR evaporator system. The larger the evaporation, the larger the designed MVR evaporator will be, and the higher the price will be. Material concentration, composition, processing capacity and evaporation capacity determine the size of equipment, the number of efficiency and grade, the selection of steam compressor, the size of evaporation area, heat exchanger material, the cost of equipment investment.

3. The influence of evaporation temperature on the price of MVR evaporator

The lower the evaporation temperature is, the lower the vacuum degree MVR evaporation system needs to maintain. The sealing property of the system and the pressure (negative pressure) performance of the shell have certain requirements, which have higher requirements on the compressor.

4. Influence of heat exchanger area on price of MVR evaporator

The size of heat exchange area directly affects the price of MVR evaporator system. Because the traditional evaporator USES raw steam, the heat exchange temperature difference is large and the heat exchange area is relatively small. However, MVR evaporator is a small temperature difference, and when the total heat transfer amount is fixed, it must increase the heat transfer area at the cost of obtaining the same heat transfer effect and achieving the required evaporation amount.

5. Influence of pump selection on price of MVR evaporator

Pump is a complete set of MVR evaporators system's main power equipment, has a function in conveying liquid MVR evaporation system of discharging pump, feed pump, circulating pump, fresh water pump, different pump have different functions, the price range will have the difference, how to reasonably choose the pump, should consider various comprehensive index of the pump unit, the flow of the stand or fall of pump mechanical seal, runtime, and suction head, good cavitation resistance and corrosion resistance will have an effect on the evaporation system.

As a supplier of evaporative energy saving technology, Qingdao kang jinghui is committed to zero emission of industrial wastewater and energy saving solutions in process of evaporation and concentration. Our MVR solution is the most cost-effective solution that can meet the national environmental protection standards. At present in the rubber auxiliary industry, fertilizer, pharmaceutical, metallurgical auxiliary, high salt wastewater treatment, landfill leachate treatment, coal chemical wastewater treatment, power plant desulfurization wastewater treatment, electroplating wastewater treatment industry wastewater treatment, has a mature solution, and a model project. The MVR energy saving technology developed by kang jinghui overcomes the shortcomings of high strength corrosion, instability and small temperature difference caused by high temperature and high pressure steam on the compressor, and is in the international leading level. Compared with similar foreign products, the energy consumption is lower and the structure is more reasonable. Compared with other traditional evaporators, it has the following advantages: energy saving, space saving, recycling water resources, automatic control, low temperature evaporation, stable system operation.