CN111076576A

CN111076576A - Spiral plate type heat exchanger

Info

Publication number: CN111076576A
Application number: CN201911372551.XA
Authority: CN
Inventors: 杨子仲; 卞静; 梁兴壮; 于静
Original assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Current assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-04-28

Abstract

The application belongs to the technical field of heat exchangers, and particularly relates to a spiral plate type heat exchanger. The method comprises the following steps: casing and buckled plate, the buckled plate is the heliciform setting and is in the casing, the buckled plate will the inner space separation of casing becomes first helical passage and second helical passage, first medium import and first medium export have been seted up on the casing position that first helical passage corresponds, second medium import and second medium export have been seted up on the casing position that second helical passage corresponds. The utility model provides a spiral plate heat exchanger, cold, hot medium flow in respective helical coiled passage, adopt buckled plate structure, have bigger heat transfer area, change the flow direction and change into three-dimentionally by the two-dimentional, change degree is more violent, have bigger heat transfer coefficient. This application has bigger heat transfer area, higher heat transfer coefficient, consequently has stronger heat transfer ability, higher efficiency, and corresponding weight is littleer.

Description

Spiral plate type heat exchanger

Technical Field

The application belongs to the technical field of heat exchangers, and particularly relates to a spiral plate type heat exchanger.

Background

The heat exchanger is an indispensable important component in modern industrial production and people's life, such as power, metallurgy, chemical engineering, petroleum, building, mechanical manufacturing, food, medicine, aviation, aerospace, ships and automobiles, and has various product forms and extremely wide application occasions. The heat exchanger in the prior art also has the defects of low heat exchange efficiency, large volume, heavy weight and the like. Especially, the whole performance of the product is limited or can not be used in the occasions of high integration level of the product, strict space limitation and strict weight control.

Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The object of the present application is to provide a spiral plate heat exchanger to solve at least one problem existing in the prior art.

The technical scheme of the application is as follows:

a spiral plate heat exchanger comprising: casing and buckled plate, the buckled plate is the heliciform setting and is in the casing, the buckled plate will the inner space separation of casing becomes first helical passage and second helical passage, first medium import and first medium export have been seted up on the casing position that first helical passage corresponds, second medium import and second medium export have been seted up on the casing position that second helical passage corresponds.

Optionally, the housing is circular.

Optionally, the housing includes an upper housing and a lower housing, and the upper housing and the lower housing are integrally formed.

Optionally, the first medium inlet is provided in the middle of the lower shell corresponding to the first spiral channel, and the first medium outlet is provided at the edge of the lower shell corresponding to the first spiral channel.

Optionally, the second medium inlet is provided in the middle of the upper shell corresponding to the second spiral channel, and the second medium outlet is provided at the edge of the upper shell corresponding to the second spiral channel.

Optionally, the first medium outlet and the second medium outlet are arranged at 180 degrees at an edge of the housing.

The invention has at least the following beneficial technical effects:

the utility model provides a spiral plate heat exchanger sweeps along the helix through the buckled plate and forms two spiral passageways, and hot medium, cold medium flow respectively in respective helical coiled passage, and two kinds of media do not have the mixing and heat transfer area is big between the passageway, stable in structure, and heat exchange efficiency is high, light in weight.

Drawings

FIG. 1 is a schematic view of a spiral plate heat exchanger according to an embodiment of the present application;

fig. 2 is a schematic plan view of corrugated plates of a spiral plate heat exchanger according to an embodiment of the present application.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

The present application is described in further detail below with reference to fig. 1-2.

The application provides a spiral plate heat exchanger includes: a shell and a corrugated plate.

Specifically, the buckled plate is the metal sheet that the cross section is corrugate and thickness is even, and the buckled plate is the heliciform setting in the casing, and the buckled plate separates into first helical passage and second helical passage with the inner space of casing, has seted up first medium import and first medium export on the casing position that first helical passage corresponds, has seted up second medium import and second medium export on the casing position that second helical passage corresponds.

In one embodiment of the present application, the housing has a circular shape, and the housing may include an upper housing and a lower housing that are integrally formed. In this embodiment, the first medium inlet is provided in the middle of the lower casing corresponding to the first spiral channel, and the first medium outlet is provided at the edge of the lower casing corresponding to the first spiral channel. The second medium inlet is arranged in the middle of the upper shell corresponding to the second spiral channel, and the second medium outlet is arranged at the edge of the upper shell corresponding to the second spiral channel. The first medium outlet and the second medium outlet are arranged at 180 degrees at the edge of the shell.

According to a basic heat transfer formula Q ═ KF Δ t, wherein Q is the heat exchange quantity, F is the heat exchange area, K is the heat exchange coefficient, and Δ t is the average temperature difference. The utility model provides a spiral plate heat exchanger, cold, hot medium flow in respective helical coiled passage, adopt buckled plate structure, have bigger heat transfer area, change the flow direction and change into three-dimentionally by the two-dimentional, change degree is more violent, have bigger heat transfer coefficient. This application has bigger heat transfer area, higher heat transfer coefficient, consequently has stronger heat transfer ability, higher efficiency, and corresponding weight is littleer.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A spiral plate heat exchanger, comprising: casing and buckled plate, the buckled plate is the heliciform setting and is in the casing, the buckled plate will the inner space separation of casing becomes first helical passage and second helical passage, first medium import and first medium export have been seted up on the casing position that first helical passage corresponds, second medium import and second medium export have been seted up on the casing position that second helical passage corresponds.

2. A spiral plate heat exchanger according to claim 1, wherein the housing is circular.

3. A spiral plate heat exchanger according to claim 2, wherein the housing comprises an upper housing and a lower housing, the upper housing being integrally formed with the lower housing.

4. A spiral plate heat exchanger according to claim 3, wherein the first medium inlet is provided in the middle of the lower shell corresponding to the first spiral channel, and the first medium outlet is provided at the edge of the lower shell corresponding to the first spiral channel.

5. A spiral plate heat exchanger according to claim 4, wherein the second medium inlet is provided in the middle of the upper shell corresponding to the second spiral channel, and the second medium outlet is provided at the edge of the upper shell corresponding to the second spiral channel.

6. A spiral plate heat exchanger according to claim 5, wherein the first and second medium outlets are arranged 180 degrees at an edge of the housing.