JPH0469438U - - Google Patents

Description

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

第１図乃至第５図は本考案の実施例に係り、第
１図は第１実施例になる微粉炭吹込設備の模式的
構成説明図、第２図は温度変化説明図、第３図は
第２実施例になる微粉炭吹込設備の模式的構成説
明図、第４図は静電容量検出センサの構成説明図
、第５図は静電容量変化説明図、第６図乃至第７
図ｂは従来例に係り、第６図は微粉炭吹込設備の
模式的構成説明図、第７図ａは空気流量変化説明
図、第７図ｂは圧損変化説明図である。 １……微粉炭供給ダクト、１ａ……微粉炭混合
送給部、２……インジエクタータンク、２ａ……
微粉炭投入ダクト、２ｂ……三方継手、４……温
度計、５……演算器、６……監視用表示器、７…
…静電容量検出センサ、７ａ……導電帯板、７ｂ
……出力導出線、ａ……空気供給源、ｈ……炉、
ｖ……遠隔操作開閉弁。 Figures 1 to 5 relate to embodiments of the present invention, with Figure 1 being a schematic configuration diagram of the pulverized coal injection equipment of the first embodiment, Figure 2 being a temperature change diagram, and Figure 3 being an illustration of the temperature change. A schematic configuration explanatory diagram of the pulverized coal injection equipment of the second embodiment, FIG. 4 is a configuration explanatory diagram of the capacitance detection sensor, FIG. 5 is a diagram explanatory of capacitance change, and FIGS. 6 to 7
Figure b relates to a conventional example, Figure 6 is a diagram illustrating a schematic configuration of pulverized coal injection equipment, Figure 7a is a diagram illustrating changes in air flow rate, and Figure 7b is a diagram illustrating changes in pressure loss. 1...Pulverized coal supply duct, 1a...Pulverized coal mixed feeding section, 2...Injector tank, 2a...
Pulverized coal input duct, 2b...Three-way joint, 4...Thermometer, 5...Calculator, 6...Monitoring display, 7...
...Capacitance detection sensor, 7a...Conductive band plate, 7b
...Output lead line, a...Air supply source, h...Furnace,
v...Remotely controlled on/off valve.

Claims (1)

【実用新案登録請求の範囲】 １ 空気供給源から炉に連通する微粉炭供給ダク
トに、微粉炭投入ダクトを介して微粉炭を供給す
るインジエクタータンクが連通してなる微粉炭吹
込設備において、前記微粉炭供給ダクトの微粉炭
投入ダクトとの連通部より炉側に温度計を付設し
、受信した該温度計の出力と予め入力されている
温度設定値との大小を比較する演算器を配設した
ことを特徴とする微粉炭吹込設備。 ２ 空気供給源から炉に連通する微粉炭供給ダク
トに、微粉炭投入ダクトを介して微粉炭を供給す
るインジエクタータンクが連通してなる微粉炭吹
込設備において、前記微粉炭供給ダクトの微粉炭
投入ダクトとの連通部より炉側に静電容量検出セ
ンサを内設し、受信した該静電容量検出センサの
出力と予め入力されている静電容量設定値との大
小を比較する演算器を配設したことを特徴とする
微粉炭吹込設備。[Claims for Utility Model Registration] 1. Pulverized coal injection equipment in which an injector tank that supplies pulverized coal via a pulverized coal input duct is connected to a pulverized coal supply duct that communicates from an air supply source to a furnace, A thermometer is attached to the furnace side from the communication part of the pulverized coal supply duct with the pulverized coal input duct, and a calculator is installed to compare the magnitude of the received output of the thermometer with the pre-input temperature setting value. This is pulverized coal injection equipment. 2. In pulverized coal injection equipment in which an injector tank that supplies pulverized coal via a pulverized coal input duct is connected to a pulverized coal supply duct that communicates from an air supply source to a furnace, the pulverized coal input from the pulverized coal supply duct is A capacitance detection sensor is installed internally on the furnace side from the communication part with the duct, and a calculator is installed to compare the magnitude of the received output of the capacitance detection sensor with a capacitance setting value input in advance. The pulverized coal injection equipment is characterized by the following: