JPH01117443U - - Google Patents

Info

Publication number
JPH01117443U
JPH01117443U JP832488U JP832488U JPH01117443U JP H01117443 U JPH01117443 U JP H01117443U JP 832488 U JP832488 U JP 832488U JP 832488 U JP832488 U JP 832488U JP H01117443 U JPH01117443 U JP H01117443U
Authority
JP
Japan
Prior art keywords
pulverized coal
duct
supply duct
primary air
recirculation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP832488U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP832488U priority Critical patent/JPH01117443U/ja
Publication of JPH01117443U publication Critical patent/JPH01117443U/ja
Pending legal-status Critical Current

Links

Description

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

第1図は本考案の第1の実施例の説明図、第2
図は同前第2の実施例の説明図、第3図は従来技
術の説明図である。 図中1は微粉炭装置本体、8は一次空気供給ダ
クト、9は一次空気入口(下部入口)、10は微
粉炭出口(上部出口)、12は微粉炭供給ダクト
、14は微粉炭再循環ダクト、15は連通部、1
6は第1の制御ダンパ、18は一次空気ダクト、
20は第2の制御ダンパを示す。
Figure 1 is an explanatory diagram of the first embodiment of the present invention;
The figure is an explanatory diagram of the second embodiment, and FIG. 3 is an explanatory diagram of the prior art. In the figure, 1 is the pulverized coal equipment main body, 8 is the primary air supply duct, 9 is the primary air inlet (lower inlet), 10 is the pulverized coal outlet (upper outlet), 12 is the pulverized coal supply duct, and 14 is the pulverized coal recirculation duct. , 15 is a communication part, 1
6 is a first control damper; 18 is a primary air duct;
20 indicates a second control damper.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 石炭を粉砕して微粉炭とする微粉炭装置本体の
下部入口及び上部出口に、それぞれ一次空気供給
ダクト及び微粉炭供給ダクトを連通し、前記本体
内部と一端が連通すると共に他端が前記微粉炭供
給ダクトの下流側所要位置に連通する微粉炭再循
環ダクトを設け、該再循環ダクトと前記微粉炭供
給ダクトとの連通部に第1の制御ダンパを設け、
前記一次空気供給ダクトと前記再循環ダクトにお
ける微粉炭供給ダクト連通部に近い位置との間を
、第2の制御ダンパを有した一次空気ダクトにて
連通したことを特徴とする微粉炭装置。
A primary air supply duct and a pulverized coal supply duct are connected to a lower inlet and an upper outlet of a pulverized coal device main body, respectively, for pulverizing coal into pulverized coal, with one end communicating with the inside of the main body and the other end communicating with the pulverized coal. A pulverized coal recirculation duct communicating with a required position on the downstream side of the supply duct is provided, and a first control damper is provided at a communication portion between the recirculation duct and the pulverized coal supply duct,
A pulverized coal device, characterized in that the primary air supply duct and a position of the recirculation duct close to the pulverized coal supply duct communication portion are communicated by a primary air duct having a second control damper.
JP832488U 1988-01-26 1988-01-26 Pending JPH01117443U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP832488U JPH01117443U (en) 1988-01-26 1988-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP832488U JPH01117443U (en) 1988-01-26 1988-01-26

Publications (1)

Publication Number Publication Date
JPH01117443U true JPH01117443U (en) 1989-08-08

Family

ID=31214096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP832488U Pending JPH01117443U (en) 1988-01-26 1988-01-26

Country Status (1)

Country Link
JP (1) JPH01117443U (en)

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