Selection of liquid chlorine vaporizers

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Gentlemen, we have a project where the required evaporation rate for liquid chlorine is 7 tons per hour. Coils are definitely not an option due to their large space requirement; we have to choose between shell-and-tube exchangers and coils. How should we make this choice? The rough comparison between the two is as follows: “Coiled tube vs. tubular tube – Remarks: Advantage: The wall thickness of the coiled tube can be made relatively thick, resulting in a larger corrosion margin.” ； Installing a separation cylinder in the middle helps to stabilize pressure and temperature, as well as facilitates waste discharge ； Small size, high heat exchange efficiency ； The downside is its large size ； The coil is leaking, making inspection and repair quite difficult ； The tube wall thickness cannot be too thick, as the corrosion margin is low ； The cost is relatively high ； Both types meet the requirements recommended by standard specifications, and they are also the main types of chlorine vaporizers currently in use. Personally, if space allows, I recommend a coiled type. I’m not sure if this is reasonable; please give me your advice.