Gas-liquid two-phase inlet structure of plate-fin heat exchanger
A gas-liquid two-phase flow, heat exchanger technology, applied in the direction of heat exchanger shell, heat exchange equipment, lighting and heating equipment, etc., can solve the difficulty in the design of the distribution structure of the two-phase flow inlet, Deterioration of thermal efficiency, affecting the mechanical performance of heat exchangers, etc., to achieve uniform flow, stable oscillation, and enhanced heat exchange efficiency
Inactive Publication Date: 2018-04-03
TIANJIN UNIV OF COMMERCE
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The uneven distribution of gas-liquid two-phase fluid will lead to serious deterioration of the heat exchange efficiency of the two-phase flow heat exchanger, and even affect the mechanical properties of the heat exchanger, bringing irreparable consequences. Therefore, the gas-liquid two-phase flow of the plate-fin heat exchanger The study of phase fluid distribution uniformity is an important aspect of current heat exchanger research
However, due to its complex flow conditions, the difficulty in the design of the distribution structure of the two-phase flow inlet has always been a very important research topic.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0011] The structure of the gas-liquid two-phase inlet of the plate-fin heat exchanger of the present invention will be further described in detail below with reference to the accompanying drawings.
[0012] The gas-liquid two-phase flow inlet structure of the plate-fin heat exchanger of the present invention, the main design idea of the scheme is to increase the mutual solubility and stability of the gas-liquid two-phase flow by pressurization before entering the heat exchanger for heat exchange. flow. like figure 1 As shown, the present invention includes an airbag pressurizing device, a rectifying flow guiding device and a heat exchanger main body structure; the airbag pressurizing device includes an airbag 4, a mixing pump 9, a cylinder 5, an airbag pressure gauge 10 and a cylinder pressure gauge 11; the airbag It is arranged in the cylinder, the pipeline of the mixing pump and the one-way valve 8 is set to communicate with the air bag through the cylinder, the pipeline...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses design of a gas-liquid two-phase flow inlet structure of a plate-fin heat exchanger. The gas-liquid two-phase flow inlet structure comprises an air bag pressurizing device, a rectifying and guiding device and a heat exchanger body structure. The air bag pressurizing device comprises an air bag, a mixing pump, an air cylinder, an air bag pressure gauge and an air cylinder pressure gauge. The air bag is arranged in the air cylinder. A pipeline provided with the mixing pump and a one-way valve penetrates the air cylinder to communicate with the air bag. A pipeline provided with an air pump and an air inlet one-way valve communicates with the air cylinder. The air cylinder is provided with a pressure release valve. The rectifying and guiding device is composed of a rectifier and a heat conduction device. The top end of the air bag provided with an electromagnetic valve is connected with the rectifier which is connected with the heat conduction device. The heat conduction device is connected with the plate-fin heat exchanger body structure. By means of the gas-liquid two-phase flow inlet structure, two-phase flow fluid is distributed evenly, flow is uniform, and therefore the fluid enters the plate-fin heat exchanger body structure to play the heat exchange effect, and the heat exchange effect is greatly improved.
Description
technical field [0001] The invention relates to the field of heat exchangers, and more specifically relates to an inlet structure of a gas-liquid two-phase flow plate-fin heat exchanger. Background technique [0002] Gas-liquid two-phase flow plate-fin heat exchangers are widely used in petroleum, chemical and other fields. For gas-liquid two-phase flow heat exchangers, due to the separation of gas-liquid two-phase, the problem of uneven distribution of gas-liquid two-phase fluid is very serious, especially for high-efficiency plate-fin heat exchangers that require small temperature differences. The uneven distribution of gas-liquid two-phase fluid will lead to serious deterioration of the heat exchange efficiency of the two-phase flow heat exchanger, and even affect the mechanical properties of the heat exchanger, bringing irreparable consequences. Therefore, the gas-liquid two-phase flow of the plate-fin heat exchanger The study of phase fluid distribution uniformity is a...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F28F9/22F28F27/00
CPCF28F9/22F28F27/00
Inventor 张哲田津津郝俊杰王飒飒
Owner TIANJIN UNIV OF COMMERCE