FIELD: heating.
SUBSTANCE: invention relates to a columnar coal heat source. The latter comprises a cylindrical part provided with a chamber for venting and connecting in the direction of the coal heat source lengthwise axis. It includes a firing outer part arranged closer to the coal heat source firing end than the said cylindrical part. Note here that the groove communicated with the chamber is composed at the outer surface of the firing outer part at the firing side. The firing outer part has a void communicated with the chamber in its lengthwise direction made at the cylindrical part. Note also that the chamber is separated from the said void.
EFFECT: constant amount of heat during the medium interval and the end of smoking.
12 cl, 11 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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|
SU1837815A3 |
