热泵蒸馏机/废水-废溶剂-回收再生 循环使用减排零排.
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低温热泵型废水/废溶剂-再生/浓缩提纯系统CT-HP
机加工技术广泛应用於机器制造、轻工、电子等行业，是全球三大污染行业之一。因为其本身成分复杂，所含的有害物质也相对较多，所以机加工/表面处理废水/废溶剂是相对难以应付的。随著我国经济的快速发展，对机加工产品的需求日益增加, 机加工废水的排放量与日俱增。而废水中含有大量污染物质，一旦处理不当排入环境当中，对人的健康以及生态环境造成极大的破坏。目前，机加工废水主要的处理方法分为化学法、物理法和生物法。但化学处理法污泥量大，会产生二次污染；物理法设备复杂，且能耗大；生物法对於水质的要求高。传统的处理方法都存在一定的局限性。
裕合科技将热泵节能技术与减压蒸馏法结合应用於废水/废溶剂再生/浓缩提纯处理上。整体过程提倡物理法回收减少化工原料使用,和二次废弃物产生,正受到越来越广泛的关注。该系统具有技术难点低、适合小,中型化设备、对水质不敏感、可与低品位能源相结合的优点，是一个广谱型的废水/废溶剂再生/浓缩提纯处理技术。
1.1 系统组成
热泵型机加工废水浓缩系统CT-HP裕合科技热泵型废水/废溶剂再生/浓缩系统主要有蒸发分离器、加热器-冷凝器和热泵系统三大部分组成。具体如图1所示。
1.2 工作原理
该系统的核心概念是利用热泵的低能源成本(对比电加热/冷却-只用1/6~1/5电能)和减压蒸馏的低沸点(约30~40度)来达成最高的经济效应。
热泵是一种将低温热源的热能转移到高温热源的装置。通常用於热泵装置的低温热源是我们周围的介质——空气、河水、海水，或者是从工业生产设备中排出的废热，这些工质常与周围介质具有相接近的温度。热泵装置的工作原理与压缩式制冷机是一致的；是由压缩机排出的高压制冷剂蒸汽，流入蒸发室，制冷剂蒸汽冷凝时放出的潜热，将蒸发室废水/废溶剂加热，达到蒸发的目的，冷凝后的液态制冷剂，从膨胀阀进入冷凝器，吸收外界热量而蒸发产生极冷达到冷凝蒸气成液态回收，蒸发后的制冷剂蒸汽经过气液分离后被压缩机吸入，完成制热蒸发/冷却回收循环。这样，将回圈冷却水中的热量“泵”入温度较高的蒸发室内，故称为“热泵”。热泵蒸发技术是作为现今最先进和最高效的蒸发技术在欧美国家被广泛应用於各个行业物料和废水浓缩，结晶及干燥。
技术创新点
（1） 采用低温蒸发方案，使得设备能够采用不銹钢,聚丙烯PP,碳化矽等依处理物料特性选用金属或非金属材料制造，减少废水对设备的腐蚀。
（2） 采用喷淋浓缩方案，超越传统蒸发器蒸发工艺，大幅减少换热器表面结垢问题，降低系统维护难度。
（3） 在低温蒸发(30~40度)的基础上适当采用余热、热泵等设备，极大提高了系统能源效率，降低运行成本。
（4）工艺中采用高流速喷淋、钛管换热器，不銹钢板式换热器,壳管式患热器,大流量水泵等，结构简单，更换方便，维修更换成本低。
（5）系统关键管理参数均集成在自动化控制程式中，逻辑简单，随开随用，可靠性高。
应用领域:
机械加工,金属表面处理, 涂装, 热处理,冶金炼钢,能源领域,
印刷,陶瓷,玻璃.食品 & 饮料,制药,化妆品及精细化工产业。
适用工艺废水:
切削乳化液/含油乳废水,消化污泥,抛光研磨工艺水, 镀铬, 阳极, 酸洗, 钝化, 染色工艺水,各种水浴,废酸染料污染水,各种蚀刻及高盐废水,高浓度污水,树脂反冲洗缩液,糖浆酱料浓缩,酶化,盐化污水,喷涂污水。 RO浓缩液再生,回火盐再生, 淬火水和清洗水处理,金属再生工艺水浓缩(铬, 镍, 铜) 。
Heat pump distiller / waste water waste solvent emission reduction zero emission
Cleantech technology combines heat pump energy-saving technology with vacuum distillation method in wastewater / waste solvent regeneration / concentration and purification treatment. The whole process advocates physical recovery to reduce the use of chemical raw materials and the generation of secondary waste, which is attracting more and more attention. The system has the advantages of low technical difficulties, suitable for small and medium-sized equipment, insensitive to water quality, and can be combined with low-grade energy. It is a broad-spectrum wastewater / waste solvent regeneration / concentration and purification technology.
Ct-hp of low temperature heat pump wastewater / waste solvent regeneration / concentration and purification system
Machining technology is widely used in machine manufacturing, light industry, electronics and other industries. It is one of the three major polluting industries in the world. Because of its complex composition and relatively more harmful substances, machining / surface treatment wastewater / waste solvent is relatively difficult to cope with. With the rapid development of China's economy, the demand for machining products is increasing day by day. Wastewater contains a large number of pollutants, once improperly treated and discharged into the environment, it will cause great damage to human health and ecological environment. At present, the main treatment methods of machining wastewater are chemical method, physical method and biological method. However, due to the large amount of sludge in chemical treatment process, secondary pollution will be produced; the physical process equipment is complex and energy consumption is high; biological process has high requirements for water quality. The traditional treatment methods have some limitations.
Yuhe technology combines heat pump energy-saving technology with vacuum distillation method in wastewater / waste solvent regeneration / concentration and purification treatment. The whole process advocates physical recovery to reduce the use of chemical raw materials and the generation of secondary waste, which is attracting more and more attention. The system has the advantages of low technical difficulties, suitable for small and medium-sized equipment, insensitive to water quality, and can be combined with low-grade energy. It is a broad-spectrum wastewater / waste solvent regeneration / concentration and purification technology.
1.1 system composition
The heat pump wastewater / waste solvent regeneration / concentration system mainly consists of evaporation separator, heater condenser and heat pump system. The details are shown in Figure 1.
1.2 working principle
The core concept of the system is to use the low energy cost of heat pump (compared with electric heating / cooling - only 1 / 6 ~ 1 / 5 electric energy) and low boiling point of vacuum distillation (about 30 ~ 40 degrees) to achieve the highest economic effect.
Heat pump is a device that transfers heat from low temperature heat source to high temperature heat source. Usually, the low-temperature heat source used in heat pump device is the surrounding medium air, river water, sea water, or waste heat discharged from industrial production equipment. These working fluids often have a temperature close to the surrounding media. The working principle of the heat pump device is the same as that of the compression refrigerator; the high-pressure refrigerant steam discharged from the compressor flows into the evaporation chamber, and the latent heat released when the refrigerant vapor condenses will heat the waste water / waste solvent in the evaporation chamber to achieve the purpose of evaporation. The condensed liquid refrigerant enters the condenser from the expansion valve, absorbs the external heat and evaporates to produce extremely cold condensate steam After evaporation, the refrigerant vapor is absorbed by the compressor after gas-liquid separation to complete the heating evaporation / cooling recovery cycle. In this way, the heat of loop cooling water is "pumped" into the evaporation chamber with higher temperature, so it is called "heat pump". As the most advanced and efficient evaporation technology, heat pump evaporation technology is widely used in various industries in Europe and the United States.
Technological innovation
(1) Adopting low temperature evaporation scheme, the equipment can be made of stainless steel, polypropylene, PP, silicon carbide, etc. according to the characteristics of the treated materials, metal or non-metallic materials are selected to reduce the corrosion of waste water on the equipment.
(2) The spray concentration scheme is adopted to surpass the traditional evaporator evaporation process, greatly reducing the fouling problem on the surface of heat exchanger and reducing the difficulty of system maintenance.
(3) On the basis of low-temperature evaporation (30 ~ 40 degrees), appropriate use of waste heat, heat pump and other equipment, greatly improves the energy efficiency of the system and reduces the operating cost.
(4) High flow rate spray, titanium tube heat exchanger, stainless steel plate heat exchanger, shell and tube heat exchanger, large flow water pump are used in the process. The structure is simple, the replacement is convenient, and the maintenance and replacement cost is low.
(5) The key management parameters of the system are integrated into the automatic control program, with simple logic and high reliability.
Application fields:
Mechanical processing, metal surface treatment, coating, heat treatment, metallurgical steelmaking, energy field,
Printing, ceramics, glass, food & beverage, pharmaceutical, cosmetics and fine chemical industry.
Applicable process wastewater:
Cutting emulsion / oily emulsion wastewater, digested sludge, polishing and grinding process water, chromium plating, anode, pickling, passivation, dyeing process water, various water baths, waste acid and dye polluted water, various etching and high salt wastewater, high concentration sewage, resin backwash shrinkage, syrup sauce concentration, enzymization, salinization wastewater, spraying wastewater. Ro concentrate regeneration, tempering salt regeneration, quenching water and cleaning water treatment, metal regeneration process water concentration (chromium, nickel, copper).
