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The function of apv plate heat exchanger components and the key points of construction and installation

The function of apv plate heat exchanger components and the key points of construction and installation

(Summary description)To choose an apv plate heat exchanger, you must first select the required flow rate according to the process requirements, the viscosity of the material and the heat exchange temperature difference, etc.

The function of apv plate heat exchanger components and the key points of construction and installation

(Summary description)To choose an apv plate heat exchanger, you must first select the required flow rate according to the process requirements, the viscosity of the material and the heat exchange temperature difference, etc.

Information

To choose an apv plate heat exchanger, you must first select the required flow rate according to the process requirements, the viscosity of the material and the heat exchange temperature difference, etc. Excessive flow causes waste, and the flow channel is easily blocked. If it is too small, it will affect the use, increase the non-fermentation time, and cause the damage of the deflector due to too high pressure. Therefore, the selection should be made scientifically according to working conditions.

apv plate heat exchanger

The thickness of the apv plate heat exchanger is only 0.6~0.8mm, and the thickness of the heat exchange tube of the shell-and-tube heat exchanger is 2.0~2.5mm; the shell of the shell-and-tube heat exchanger is heavier than the layout of the plate heat exchanger many. In the case of completing the same heat exchange mission, the heat exchange area required by the apv plate heat exchanger is smaller than that of the shell-and-tube heat exchanger.

The layout of the shell-and-tube apv plate heat exchanger is excellent in terms of strength, but it is not ambition from the point of view of heat exchange, because there are baffles—shells and baffles—when the fluid moves in the shell side. The bypass between the heat exchange tube, the pipe and the shell. The fluid passing through these bypasses does not fully participate in heat exchange. In the apv plate heat exchanger, there is no bypass, and the ripples of the plate can make the fluid turbulent at a small flow rate. Therefore, the apv plate heat exchanger has a higher heat transfer coefficient, which is usually 3 to 5 times that of the shell-and-tube heat exchanger.

Key points of apv plate heat exchanger construction and installation:

⒈ The apv plate heat exchanger should not be deformed, and the fasteners should not be loose or otherwise mechanically damaged.

⒉ When the equipment is hoisted, the sling shall not be hung on the connecting pipe, positioning beam or plate.

⒊ Reserve enough space around the apv plate heat exchanger for easy maintenance.

⒋ The cold and hot medium inlet and outlet pipe installations should be connected in the direction specified on the factory nameplate.

⒌ The ​​piping connected to the apv plate heat exchanger should be cleaned to prevent debris such as sand, stone, welding slag, etc. from entering the heat exchanger and causing blockage.

⒍ The water pressure test of apv plate heat exchanger should be 1.5 times of the maximum working pressure. The steam part should not be lower than the steam supply pressure plus 0.3 MPa; the hot water part should not be lower than 0.4 MPa.
 

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Time of issue:2020-02-11 00:00:00

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