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分子蒸馏装置

简要描述:分子蒸馏装置可代替常规降膜蒸发器,用于石化及化工产品的蒸馏、提纯、浓缩、脱色使用;尤其适用于热敏性,易氧化化学工业品的蒸馏精制;也可用于高沸点产品的蒸馏分离。

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  • 更新时间:2024-03-27
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分子蒸馏装置介绍Introduction To Molecular Distillation Unit:

分子蒸馏是一种特殊的液—液分离技术,它不同于传统蒸馏依靠沸点差分离原理,而是与被蒸馏混合物的分子量的大小有关,能够实现远离沸点下的操作,分子量差异越大,分子自由程相差越大,馏出物就越纯。这里的分子自由程(用λ表示)是指一个分子相邻两次碰撞之间所走的路程。

在高真空的条件下,液体混合物沿着加热板流动被加热,根据不同分子量物质的分子平均自由程的不同,它们在汽化表面与冷凝表面之间分子平均自由程的大小以及蒸发度也明显的不同,轻组分分子的分子平均自由程的大,而重组分分子的分子平均自由程小,使得轻组分恰好能到达冷凝板上面被冷凝,使其沿冷凝板留下;而重组分分子因达不到冷凝板而沿着加热板留下,从而将不同物质进行分离。

Molecular distillation is a special liquid-liquid separation technology. It is different from traditional distillation. It depends on the boiling point difference separation principle, but is related to the molecular weight of the distilled mixture. It can realize the operation far away from the boiling point. The greater the molecular weight difference, the greater the molecular free path difference, and the purer the distillate. The molecular free path here λ Is the distance traveled between two adjacent collisions of a molecule.

Under the condition of high vacuum, the liquid mixture flows along the heating plate and is heated. According to the different molecular average free path of substances with different molecular weight, the size and degree of evaporation of their molecular average free path between the vaporization surface and the condensation surface are also significantly different. The molecular average free path of light component molecules is large, while the molecular average free path of recombinant component molecules is small, So that the light component can just reach the condensing plate and be condensed, leaving it along the condensing plate; The recombinant molecules are left along the heating plate because they can not reach the condensing plate, so as to separate different substances.

 

分子蒸馏装置技术特点Technical Features:

分子蒸馏技术作为一种与国际同步的高新分离技术,具有其他分离技术没有的优点:

1.远低于物料沸点的温度下操作,而且物料停留时间短;利于高沸点、热敏及易氧化物料的分离;

2.有效地脱除液体中的物质如有机溶剂、臭味等,对于采用溶剂萃取后液体的脱溶是非常有效的方法;

3.可有选择蒸发产出物,去除其它杂质,通过多级分离可同时分离2种以上的物质;

4. 可有效地脱除轻分子物质(脱臭)、重分子物质(脱色)及脱除混合物中杂质;

5.其分离过程为物理分离过程,可很好地保护被分离物质不被污染,特别是可保持天然提取物原来的品质;

6.没有沸腾鼓泡现象,分子蒸馏是液层表面上的自由蒸发,在低压力下进行,液体中无溶解的空气,因此在蒸馏过程中不能使整个液体沸腾,没有鼓泡现象;

7. 分离度高,高于传统蒸馏及普通的薄膜蒸发器;

8.容易形成连续化生产,操作简单;

9.分子蒸馏的蒸程短,分子平均自由程一般不超过25mm,能耗小。

10.进料罐可选实现预加热功能,预热温度可以调节;

11.各个接口采用的是氟胶垫片进行密封,气密性好,如客户需要耐腐蚀可以更换成四氟材质。

As a high-tech separation technology synchronized with the world, molecular distillation technology has incomparable advantages over other separation technologies:

1. Operate at a temperature far below the boiling point of the material, and the residence time of the material is short; It is conducive to the separation of high boiling point, heat sensitive and easily oxidized materials;

2. Effectively remove substances in liquid, such as organic solvent and odor, which is a very effective method for the desolvation of liquid after solvent extraction;

3. The product can be evaporated selectively to remove other impurities. More than 2 substances can be separated at the same time through multistage separation;

4. It can effectively remove light molecular substances (deodorization), heavy molecular substances (decolorization) and impurities in the mixture;

5. The separation process is a physical separation process, which can well protect the separated substances from pollution, especially maintain the original quality of the natural extract;

6. There is no boiling and bubbling phenomenon. Molecular distillation is free evaporation on the surface of the liquid layer. It is carried out under low pressure and there is no dissolved air in the liquid. Therefore, the whole liquid cannot boil and there is no bubbling phenomenon in the distillation process;

7. High separation, higher than traditional distillation and ordinary thin film evaporator;

8. Easy to form continuous production and simple operation;

9. Molecular distillation has a short evaporation range, the average free path of the molecule is generally no more than 25mm, and the energy consumption is small.

10. The feed tank can optionally realize the pre heating function, and the preheating temperature can be adjusted;

11. Each interface is sealed with fluororubber gasket with good air tightness. If the customer needs corrosion resistance, it can be replaced with Teflon material.

 

应用范围Application Scope:

l 可代替常规降膜蒸发器,用于石化及化工产品的蒸馏、提纯、浓缩、脱色使用;

l 尤其适用于热敏性,易氧化化学工业品的蒸馏精制;

l 也可用于高沸点产品的蒸馏分离;

l instead of conventional falling film evaporator, it can be used for distillation, purification, concentration and decolorization of petrochemical and chemical products;

l it is especially suitable for distillation and refining of heat sensitive and easily oxidized chemical industrial products;

l it can also be used for distillation and separation of products with high boiling point;

 

典型应用Typical Applications:

l 多不饱和脂肪酸(油酸、亚麻酸、鱼油脂肪酸(乙酯)及其衍生物的蒸馏精制;

l 单甘脂的精制;

l 二聚酸的精制;

l VE、植物甾醇的精制;

l 液晶的蒸馏;

l 高分子聚合物脱除单体;

l 其他热敏性产品的精制;

l distillation and refining of polyunsaturated fatty acids (oleic acid, linolenic acid, fish oil fatty acid (ethyl ester) and their derivatives;

l refining of monoglyceride;

l refining of dimer acid;

l refining of VE and phytosterol;

l distillation of liquid crystal;

l monomer removal by high polymer;

l refining of other heat sensitive products;

 

产品选型Product Selection

短程蒸馏的处理能力和原料(产品)的分子量,物料粘度、操作条件、蒸发器的有效换热面积有直接关系。

常用进料速率:50-80 kg / (m²*h)

可选材质:SUS304,SUS316L,SAF2205

工作温度:最高近400℃

The processing capacity of short-range distillation is directly related to the molecular weight of raw materials (products), material viscosity, operating conditions and effective heat exchange area of evaporator.

Common Feed Rate: 50-80 kg / (m²*h)

Optional Materials: SUS304, SUS316L, SAF2205

Operating Temperature: up to nearly 400 ℃

 

产品型号/Product Model

MSPE80

MSPE100

MSPE150

MSPE200

MSPE230

MSPE10M

MSPE20M

MSPE30M

蒸发面积/Evaporation Area

0.1㎡

0.15㎡

0.25㎡

0.35㎡

0.5㎡

0.8㎡

1㎡

2㎡

冷凝面积/Condensation Area

0.15㎡

0.25㎡

0.45㎡

0.55㎡

0.65㎡

1.0㎡

1.5㎡

3㎡

进料容积 /Feed Volume

10L

10L

15L

20L

50L

100L

100L

200L

电机功率/Motor Power

120W

120W

120W

180W

370W

750W

1100W

1500W

最大转速/Maximum Speed

50~450rpm

轻组分收集瓶/Light Component Collection Bottle

1L

2L

3L

10L

30L

50L

50L

100L

重组分收集瓶/Recombinant Collection Bottle

1L

2L

3L

10L

30L

50L

50L

100L

冷井/Cold Well

有(have)

冷却装置/Cooling System

有(have)

 


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