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A plate-tube corrugated plate bundle
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A corrugated plate and plate-and-tube technology, which is applied to the production of plate-and-tube corrugated plate bundles, can solve the problems of not being able to have both at the same time.
Active Publication Date: 2016-01-20
GANSU LANPEC TECH +3
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Abstract
Description
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Problems solved by technology
It can be seen that for traditional heat exchangers, their pressure bearing capacity and heat transfer efficiency are a pair of contradictions, and there is only a choice between the two, and it is impossible to have both advantages at the same time.
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Embodiment 1
[0040] A plate-tube corrugated plate bundle such as Figure 1-9 As shown, it is composed of corrugated sheet 7, upper pressing plate 1, lower pressing plate 2, inlay 6 and the like.
[0041] Such as image 3 A plate-tube corrugated plate bundle of the present invention is provided with A fluid inlet 10001, A fluid outlet 10002, B fluid inlet 20001, and B fluid outlet 20002.
[0042] Wherein the corrugated plate 7 is the core component of the plate bundle of the present invention, such as Figure 4 As shown, according to the different functions it plays, the corrugated sheet 7 can be divided into a heat transfer area 1001, a flow diversion area 1002, a flow diversion area 1003, a flow diversion area 1004 and a flow diversion area 1005, wherein the flow diversion area 1004 and the flow guide area The flow area 1002 is symmetrically arranged left and right, and the diversion area 1005 and the diversion area 1003 are arranged symmetrically. For the convenience of description, t...
Embodiment 2
[0051] The corrugated plate only includes the upper or lower diversion area and the heat transfer area 1001, that is, the flow mode of fluid B is one-sided and one-way flow. When manufacturing the plate stack, the plate tubes do not need to be reversed around the X-symmetry axis 201, but the distance in the direction of the X-symmetry axis 201 of adjacent plate tubes needs to be adjusted so that the distance between the corresponding transverse left conduits 302 differs by half a wave path. The rest are the same as embodiment 1.
Embodiment 3
[0053] The corrugated sheet only includes the upper left flow guide area 1002, the heat transfer area 1001 and the lower right flow guide area 1005, or includes the upper right flow guide area 1004, the heat transfer area 1001 and the lower left flow guide area 1003, so that the second fluid is doubled. The form of side unidirectional flow. Of course, for the corrugated sheet in this embodiment, the width of the heat transfer zone should be equal to the width of the flow diversion zone. In addition, the plate tube formed by the corrugated plate cannot be buckled by the same type of plate, so two molds need to be developed. Remaining with embodiment 2.
[0054] Beneficial effects of the above embodiment: Since the corrugated plates are relatively thin, and the two media are pure countercurrent disturbance flow, the heat exchange is sufficient and the heat transfer performance is good. Since the cross-section of the flow channel of fluid B is circular, and the contacts of the ...
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Abstract
The invention relates to a tube-plate type corrugated plate bundle which comprises corrugated plate sheets. Each two corrugated plate sheets are buckled oppositely to form one plate tube; each two plate tubes are buckled oppositely and a gib is welded between the two plate tubes to form one pack; the upper end face and the lower end face of the packs are fixedly connected with an upper pressure plate and a lower pressure plate to form the plate bundle; each corrugated plate sheet is provided with a heat transfer region and flow diversion regions; each pair of flow diversion regions are arranged on both sides of the corresponding heat transfer region; a corrugated streamline of each heat transfer region is of an inverted V shape; a corrugated streamline of each flow diversion region is designed into a right angle folding line. The invention aims to utilize the structure of the corrugated plate sheets to generate disturbance for fluid and enable the flow condition of the fluid to be changed into the turbulence condition so as to improve heat exchange efficiency of the plate bundle by changing the flowing manner of the fluid. To improve pressure bearing capacity of the tube-plate type corrugated plate bundle, the shape of the section of each corrugated plate sheet is designed to be semicircular or oval. By implementation of the technical means, the tube-plate type corrugated plate bundle simultaneously has the advantages of a plate heat exchanger and a shell-and-tube heat exchanger.
Description
technical field [0001] The invention belongs to the technical field of mechanical design and manufacture, and relates to a manufacturing method of a corrugated board bundle, in particular to a manufacturing method of a plate-tube type corrugated board bundle. The invention can be applied to heat exchangers in petroleum and petrochemical, nuclear power, thermal power and other industries. Background technique [0002] Heat exchanger is one of the indispensable equipments in petroleum and petrochemical refining and processing process. Its main function is to exchange heat. It has the outstanding advantages of energy saving and emission reduction. At present, there are mainly two types of heat exchangers commonly used: plate heat exchanger and shell-and-tube heat exchanger. The shell-and-tube heat exchanger is characterized by strong pressure bearing capacity, and the plate heat exchanger is characterized by high heat exchange efficiency. Both heat exchanger designs are based ...
Claims
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Application Information
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