JPH0254025U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例の構成図、第２図は
本考案の他の実施例の構成図、第３図は従来例の
構成図である。 図中１は微粉炭ミル、８は微粉炭バーナ、９は
一次空気供給管路、１０，１７，１８は微粉炭管
路、１２はサイクロンセパレータ、１３は空気再
循環管路を示す。 FIG. 1 is a block diagram of one embodiment of the present invention, FIG. 2 is a block diagram of another embodiment of the present invention, and FIG. 3 is a block diagram of a conventional example. In the figure, 1 is a pulverized coal mill, 8 is a pulverized coal burner, 9 is a primary air supply line, 10, 17, 18 are pulverized coal lines, 12 is a cyclone separator, and 13 is an air recirculation line.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 微粉炭ミルと、セパレータと、微粉炭ミルに一
次空気を導入する一次空気供給管路と、前記微粉
炭ミルからの空気及び微粉炭を前記セパレータを
通してバーナに導く微粉炭管路と、前記微粉炭ミ
ルからセパレータに至る管路から分岐してセパレ
ータをバイパスする分岐微粉炭管路と、セパレー
タで微粉炭を分離した後の空気を前記一次空気供
給管路に導く空気再循環管路とを備えたことを特
徴とする微粉炭供給装置。 a pulverized coal mill, a separator, a primary air supply pipe for introducing primary air into the pulverized coal mill, a pulverized coal pipe for introducing air and pulverized coal from the pulverized coal mill to a burner through the separator, and the pulverized coal. A branch pulverized coal pipe line that branches from a pipe line leading from the mill to the separator and bypasses the separator, and an air recirculation line that leads air after pulverized coal has been separated by the separator to the primary air supply pipe line. A pulverized coal supply device characterized by the following.