CN2144008Y

CN2144008Y - Falling-film evaporator with composite metal wire mesh tube

Info

Publication number: CN2144008Y
Application number: CN 93205862
Authority: CN
Inventors: 高励成; 王新生; 李复生; 许文; 赵明星
Original assignee: Tianjin University
Current assignee: Tianjin University
Priority date: 1993-03-17
Filing date: 1993-03-17
Publication date: 1993-10-20
Anticipated expiration: 2003-03-17

Abstract

The utility model relates to a falling-film evaporator with composite metal wire mesh tube, which is characterized in that the heat exchange tube in a heating chamber is made of a composite metal wire mesh tube, wherein, the composite metal wire mesh tube is a metal wire mesh tube with 1-5 layers which bonds 20-120 meshes on the inner and outer surface of a metal tube; or the composite metal wire mesh tube is a metal wire mesh tube with 1-5 layers which bonds 20-120 meshes on the inner surface of the metal tube. The utility model has the advantages of simple structure, easy manufacture, and high heat-transfer efficiency. The utility model can be widely used in the chemical industry, light industry, food industry, medical industry, etc.

Description

Falling-film evaporator with composite metal wire mesh tube

The utility model belongs to the improvement of falling film evaporator.

The key structure of falling film evaporator is its heating clamber (vaporization chamber), and the key structure of heating clamber is its heat exchanger tube.The heat exchanger tube majority of the heating clamber of existing falling film evaporator is to adopt the seamless of light wall or have the metal tube of seam to make.Because the limitation of self heat transfer area of light wall heat exchanger tube, and cloth liquid lack of homogeneity and resistive connection dirt ability are low, and therefore, existing falling film evaporator, its heat-transfer effect are not very good.

The purpose of this utility model is to overcome the not good drawback of heat-transfer effect of existing light wall heat exchanger tube falling film evaporator, and a kind of clad metal wire webmaster falling film evaporator is provided.

Structure principal character of the present utility model is: the heat exchanger tube in the heating clamber is to adopt a kind of complex metal wire-mesh pipe to make, this clad metal wire webmaster, it be the surfaces externally and internally of metal tube all pressure welding to become the order number be the pipe of 20-120 purpose 1-5 layer woven wire, or to become the order number in the inner surface pressure welding of metal tube be the pipe of 20-120 purpose 1-5 layer woven wire.

Fig. 1 is a structural representation of the present utility model.Wherein 1 is the heating clamber end socket, 2 and 5 is two ends tube sheets of heating clamber, it between two tube sheets complex metal wire-mesh heat exchange tube 3, this heat exchanger tube adopts welding to connect with the two ends tube sheet, 4 is the heating clamber housing, welding is adopted in connecting of housing and end socket and tube sheet, and 6 be separation chamber's (buffer), and it connects with heating clamber employing flange for well.

Fig. 2 be surfaces externally and internally that the utility model adopts all the clad metal wire webmaster as the schematic perspective view of heat exchanger tube.Wherein 7 is the outer surface oven wire mesh blanket, and 8 is metal pipe-wall, and 9 is the inner surface oven wire mesh blanket.

Fig. 3 is that the utility model adopts the schematic perspective view of inner surface clad metal wire webmaster as heat exchanger tube.Wherein 10 is metal pipe-wall, and 11 is the inner surface oven wire mesh blanket.

The clad metal wire webmaster that the utility model adopts generally is that the method manufacturing of volume welded pipe forms behind the first pressure welding silk screen of employing.Here said pressure welding is to realize easily with rolling up weldering for a person skilled in the art, so the utlity model has simple in structure, the easy characteristics of making.

It is the heating clamber heat exchanger tube that the utility model adopts the clad metal wire webmaster, this has not only increased the area that conducts heat, and improved the cloth film uniformity of pipe, strengthened simultaneously anti-fouling tendency again greatly, therefore, heat-transfer effect is very good, its heat transfer efficiency, under the same operation condition, be 10-14 times of same size light wall heat exchanger tube falling film evaporator.The utility model can be widely used in industries such as chemical industry, light industry, food, medicine.

Claims

1, a kind of clad metal wire webmaster falling film evaporator, end socket, housing, heat exchanger tube two ends tube sheet and separation chamber by heating clamber are constituted, it is characterized in that: between the tube sheet of two ends, be welded with the clad metal wire webmaster, this clad metal wire webmaster be the surfaces externally and internally of metal tube all pressure welding to become the order number be the pipe of 20-120 purpose 1-5 layer woven wire, or to become the order number in the metal pipe internal surface pressure welding be the pipe of 20-120 purpose 1-5 layer woven wire.