| 摘要 |
A casing of a tube heat exchanger which, on the top, closes a wall of a combustion chamber placed inside a jacked fitted with openings to accommodate a stub pipes for the supply and discharge of the heated liquid, characterised in that it features two welds or fewer, where the wall (1) of the combustion chamber is shaped to form a container open on the top with its bottom formed to make an upper sieve bottom (2), the container encased in the jacket (4), where the jacket (4) is bound on the top with a weld (3) to the top section of the combustion chamber wall (1). |
