| 摘要 |
<p>This invention relates to an improved steaming case and in particular to one including a metal case (1) having room therein for receiving a plurality of laminas (2) with a plurality of steaming holes (21), an open-top water tank (3) disposed at lower part of the case and a gas cooker (4) mounted below the water tank for heating the water therein whereby the heat of the waste gas may be recovered and fully utilized and the water in the water tank will be automatically maintained at a predetermined level by float valve (31). The water passing the float valve (31) through outlet (33) and preheating pipe (34,35) flows into lamina (11) where it is heated by the waste gas escaping through exhaust pipe lamina (12) and finally falls via opening (16) into the water tank (3). <IMAGE></p> |
