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MVR蒸发器概述/MVR evaporator overview
       MVR是蒸汽机械再压缩技术(mechanical vapor recompression )的简称。
       MVR其工作过程是将低温位的蒸汽经压缩机压缩,温度、压力提高,热焓增加,然后进入换热器冷凝,以充分利用蒸汽的潜热。除开车启动外,整个蒸发过程中无需生蒸汽从蒸发器出来的二次蒸汽,经压缩机压缩,压力、温度升高,热焓增加,然后送到蒸发器的加热室当作加热蒸汽使用,使料液维持沸腾状态,而加热蒸汽本身则冷凝成水。这样原来要废弃的蒸汽就得到充分的利用,回收潜热,提高热效率,生蒸汽的经济性相当于多效蒸发的30效。为使蒸发装置的制造尽可能简单和操作方便,可使用离心式压缩机、罗茨式压缩机。这些机器在1:1.2到1:2压缩比范围内其体积流量较高。 蒸发设备紧凑占地面积小所需空间也小。又可省去冷却系统。对于需要扩建蒸发设备而供汽,场地不够的现有工厂供水能力不足,特别是低温蒸发需要冷冻水冷凝的场合,可以收到既节省投资又取得较好的节能效果。
MVR is the abbreviation of mechanical vapor recompression.
MVR its work is the low temperature of the steam by the compressor compression, temperature, pressure increases, increased enthalpy, and then into the heat exchanger condensation, in order to take full advantage of the latent heat of steam. In addition to the start of the car, the entire evaporation process without the need for steam from the evaporator out of the secondary steam, the compressor compression, pressure, temperature increases, the enthalpy increases, and then sent to the evaporator heating chamber as heating steam, So that the feed liquid to maintain the boiling state, while the heating steam itself is condensed into water. So that the original steam to be abandoned to be fully utilized, the recovery of latent heat, improve thermal efficiency, raw steam economy is equivalent to multi-effect evaporation of 30 effect. For the manufacture of the evaporator as simple as possible and easy to operate, a centrifugal compressor, a Roots compressor may be used. These machines have a higher volume flow in the 1: 1.2 to 1: 2 compression ratio range. The compact space for the evaporation equipment is also small. But also save the cooling system. For the need to expand the evaporation equipment for the steam, the site is not enough existing plant water supply capacity, especially low-temperature evaporation needs of frozen water condensation occasions, you can receive both to save investment and achieve better energy efficiency.

MVR蒸发器的优势及特点/Advantages and Characteristics of MVR Evaporator
1、节能:利用二次蒸汽预热加热,没有废热蒸汽排放,相当于8效蒸发器的效率。
1, energy saving: the use of secondary steam preheating heating, no waste heat steam emissions, the equivalent of 8 efficiency evaporator efficiency.
2、环保:设备只需要预热蒸汽,之后就无需热源,直接变频电机带动压缩机就可以机械压缩式蒸发器。
2, environmental protection: equipment only need to preheat steam, then no heat, direct inverter motor can drive the compressor can be compressed compressor.
3、自动化程度高:我公司设计了MVR蒸发器全自动控制系统,整套蒸发器只需在中控室一人操作即可,降低了人力成本,提高了产品质量。
3, a high degree of automation: I designed the MVR evaporator automatic control system, the entire evaporator only in the control room can operate a person, reducing labor costs and improve product quality.
4、压缩机选型:蒸发量0.2~2T一般选用低速罗茨压缩机,2T以上选用高速离心式压缩机。
4, the compressor selection: evaporation of 0.2 ~ 2T general selection of low-speed Roots compressor, 2T above the choice of high-speed centrifugal compressor.

MVR蒸发器应用行业/MVR evaporator application industry
       1、处理工业废水(环保领域)
       工业废水的浓缩和水的循环再利用。如电镀行业、涂料生产行业、医药和农药行业、金属加工行业、造纸行业和原油生产行业等污水处理。从污水中去掉有机物和无机盐。变废为宝。如何低成本解决高含盐工业废水回用问题,是众所知难题,MVR蒸发器是处理这类工业废水的最佳方案。
       2、化工工业
       生产空心纤维分子的工艺用水的处理、香料的提纯、亚氯酸钠和过硫酸钠等化工原料的生产、海水的淡化、有机添加剂的浓缩和结晶、提取液的精炼、把反应生成物分析成溶剂和产品。
       3、制药工业
       我国的制药行业,是个传统的行业,使用了大量的老化、旧式蒸发器,不仅降低药品质量,更是浪费了大量的能源,急需升级换代减少二氧化碳的排放。MVR还用于生产西药的蒸发、浓缩、结晶和干燥,中药的浓缩。
       4、食品行业
       在食品深加工行业,大量采用蒸发技术实现脱水的功能。如浓缩玉米浆和提取葡萄糖、氨基酸等。从果胶中提取的异丙醇的浓缩、芳香物的提取和浓缩、食品与发酵香料的分馏沉淀物、溶剂的精炼
       5、制酒工业
       制酒行业我国是个古老的行业。MVR蒸发器可以代替陈旧的蒸馏用的设备。
       6、牛奶行业
       因为牛奶行业需要的低温、高度清洁、高度自动化等特点决定了传统的蒸发器很难达到这些要求,所以才有MVR蒸发器的大力发展的机遇。
       7、饮料工业的浓缩
       番茄酱、桃浆、杏浆、胡萝卜浆、苹果浆、猕猴桃浆
       综上所述,MVR的应用领域非常广,可以这样说传统多效蒸发器应用的地方,MVR蒸发器也完全可以取而代之。MVR蒸发器和传统蒸发器相比,不但具有极大的节能环保优势,而且降低了运营成本,是传统多效蒸发器的最好的升级换代系统。随着国家对环境保护和节能减排的重视和政策出台,MVR蒸发器必将取代传统蒸发器,为国家环境保护、节能减排和可持续发展发挥巨大的作用。同时也给企业带来实际的社会和经济利益。
1, treatment of industrial wastewater (environmental protection)
Concentration of industrial wastewater and recycling of water. Such as electroplating industry, paint production industry, pharmaceutical and pesticide industry, metal processing industry, paper industry and crude oil production industry and other sewage treatment. Remove organic and inorganic salts from the effluent. Turning waste into treasure. How to solve the problem of high-salt industrial wastewater reuse is a well-known problem. MVR evaporator is the best solution to deal with such industrial wastewater.
2, chemical industry
Production of hollow fiber molecules, treatment of water, purification of spices, production of chemical raw materials such as sodium chlorite and sodium persulfate, desalination of seawater, concentration and crystallization of organic additives, refining of the extract, and analysis of the reaction product into Solvents and products.
3, the pharmaceutical industry
China's pharmaceutical industry, is a traditional industry, the use of a large number of aging, old evaporator, not only reduce the quality of drugs, but also a lot of waste of energy, the urgent need to upgrade to reduce carbon dioxide emissions. MVR is also used to produce western medicine for the evaporation, concentration, crystallization and drying of Chinese medicine.
4, the food industry
In the deep processing of food industry, a large number of evaporation technology to achieve the function of dehydration. Such as concentrated corn steep liquor and extraction of glucose, amino acids and so on. Extraction of isopropanol from pectin, extraction and concentration of aromatics, fractionation of food and fermented fragrances, refining of solvents
5, wine industry
Wine industry China is an ancient industry. MVR evaporator can replace the old distillation equipment.
6, the milk industry
Because the milk industry needs low temperature, high degree of cleanliness, high degree of automation and other characteristics of the traditional evaporator is difficult to meet these requirements, so have the MVR evaporator development opportunities.
7, the concentration of the beverage industry
Tomato sauce, peach pulp, apricot pulp, carrot pulp, apple pulp, kiwi pulp
In summary, MVR applications are very wide, so that the traditional multi-effect evaporator applications, MVR evaporator can also be replaced. MVR evaporator and traditional evaporator, not only has a great advantage of energy saving and environmental protection, but also reduces operating costs, is the traditional multi-effect evaporator the best upgrading system. With the country's emphasis on environmental protection and energy conservation and emission reduction policies, MVR evaporator will replace the traditional evaporator, for the national environmental protection, energy conservation and sustainable development play a huge role. But also to the enterprise to bring the actual social and economic benefits.
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