JPH034904A - Operation method for centrifugal extractor and its control system - Google Patents
Operation method for centrifugal extractor and its control systemInfo
- Publication number
- JPH034904A JPH034904A JP13604889A JP13604889A JPH034904A JP H034904 A JPH034904 A JP H034904A JP 13604889 A JP13604889 A JP 13604889A JP 13604889 A JP13604889 A JP 13604889A JP H034904 A JPH034904 A JP H034904A
- Authority
- JP
- Japan
- Prior art keywords
- centrifugal extractor
- motor
- extractor
- pilot motor
- rotational speed
- 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
Links
- 238000000034 method Methods 0.000 title claims description 15
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 241000555745 Sciuridae Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
- Centrifugal Separators (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は遠心抽出機に係り、特に遠心力場における結晶
などの分離に好適な遠心抽出機の運転方法およびその制
御装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a centrifugal extractor, and more particularly to a method for operating a centrifugal extractor suitable for separating crystals, etc. in a centrifugal force field, and a control device thereof.
従来の遠心機の運転方法については、文献（丸善株式会
社発行のＣヒ学装置便覧）第６１８頁から第６１９頁に
論じられているように、モータに極数変換式多段変速か
ご形モータを使用し、各操作に合わせ数段階に変速する
方法が行なわれていた。Regarding the operating method of conventional centrifuges, as discussed in the literature (Chigaku Equipment Handbook published by Maruzen Co., Ltd.), pages 618 to 619, the motor is a multi-speed squirrel cage motor with variable number of poles. The method used was to change the speed in several stages according to each operation.
なお、この種の装置として関連するものには例えば特公
昭５９−４８６４１号が挙げられる。Note that related devices of this type include, for example, Japanese Patent Publication No. 59-48641.
上記従来技術は回転系の真性モーメントについて配慮が
されておらず、流体継手など連続可変装置における起動
方法について具体的な配慮がなされていないという欠点
があった。The above-mentioned conventional technology has the drawback that it does not take into account the intrinsic moment of the rotation system, and does not give specific consideration to the starting method of a continuously variable device such as a fluid coupling.
本発明の目的は、真性モーメントの大なる遠心抽出機の
立上げ運転を滑らかに行なう方法およびその制御装置を
提供することにある。An object of the present invention is to provide a method and a control device for smoothly starting up a centrifugal extractor with a large intrinsic moment.
上記目的を達成するために、流体継手のパイロットモー
タを間欠的に動作させ、遠心抽出機の回転数な徐々に増
速しながら定格回転数まで立上げ運転を行なうものであ
る。In order to achieve the above object, the pilot motor of the fluid coupling is operated intermittently, and the rotational speed of the centrifugal extractor is gradually increased until the rated rotational speed is reached.
プログラマブルコントローラ（制御器）は、起動条件が
入ると、パイロットモータの駆動信号として、間欠信号
を発生する。プログラムコントローラ（制御ｎ）の駆動
信号によＩハ電磁開閉器が動作し、流体継手のパイロッ
トモータが間欠的に動作し、遠心抽出機は徐々に増速し
ながら定格回転数まで立上げ運転が可能である。The programmable controller (controller) generates an intermittent signal as a drive signal for the pilot motor when a starting condition is entered. The drive signal from the program controller (control n) operates the I-c electromagnetic switch, the pilot motor of the fluid coupling operates intermittently, and the centrifugal extractor gradually increases speed until it reaches its rated speed. It is possible.
以下、本発明の一実施例を第１図ないし第３図により説
明する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.
第１図は、遠心抽出機の立上げ運転方法を示す一実施例
で、立上げ工程を初期、中間、最終立上げに区分する。FIG. 1 shows an example of a method for starting up a centrifugal extractor, and the start-up process is divided into initial, intermediate, and final startup.
初期立上げでは、流体継手のパイロットモータｌをＴ、
時間の間隔で、ｔｘＱ間＋Ｘ１回増遠方法に動作させる
。次に中間立上げでは、流体継手のパイロットモータｌ
をＴ２時時間 ｔ２時時間 ｘ２回増達方法に動作さ
せ、最終立上げでは、流体継手のパイロットモータｌを
１３時間、１３時間、Ｘ３ 回増速方向に動作させ、遠
心抽出機を第１図に示す如く、徐々に増速しながら定格
回転数とする。以上の操作により、起動より立上げが完
了し、遠心抽出機の定格回転数までの致達時間はＴ１・
ｘ１＋Ｔ２・ｘ２＋Ｔ３・ｘ３ 時間となる。また、
パイロットモータ１に回転数確認用のリミットスイッチ
を設ける。そのリミットスイッチは回転数上＠（定格回
転数位置）と下＠（零回転数位置）用である。下限リミ
ットスイッチ１１は遠心抽出機の起動条件として使用す
るもので、遠心抽出機が零回転数の位置で、起動可能と
するものである。At initial startup, the pilot motor l of the fluid coupling is set to T,
Operate in the amplification method for txQ+X1 times at intervals of time. Next, during intermediate startup, the pilot motor l of the fluid coupling
The centrifugal extractor is operated in the speed increasing direction for 13 hours, 13 hours, 3 times, and the centrifugal extractor is operated as shown in Fig. 1. As shown in the figure, the speed is gradually increased until the rated speed is reached. With the above operations, startup is completed from startup, and the time required to reach the rated rotation speed of the centrifugal extractor is T1.
The time will be x1+T2・x2+T3・x3. Also,
The pilot motor 1 is provided with a limit switch for checking the rotation speed. The limit switch is for rotation speed up @ (rated rotation speed position) and down @ (zero rotation speed position). The lower limit switch 11 is used as a starting condition for the centrifugal extractor, and allows the centrifugal extractor to be started when it is at zero rotation speed.
また、上限リミットスイッチ１０は遠心抽出機の定格回
転数位置を確認するものである。Further, the upper limit switch 10 is used to confirm the rated rotation speed position of the centrifugal extractor.
遠心抽出機の立上げ手順としては、流体継手のパイロッ
トモータ１の位置が、遠心抽出機零回転位置であること
を下限リミットスイッチ１１で確認し、遠心抽出機の主
電動後を起動する。次に、流体継手のパイロットモータ
１を第１図に示す如（、間欠的に動作させ、真性モーメ
ントの大なる遠心抽出機を徐々に増速させる。遠心抽出
機の回転数が、・定格回転数に達すると、上限リミット
スイッチ１０が作動し、流体継手のパイロットモータは
動作を停止し、遠心抽出機は定常運転状態となる。The procedure for starting up the centrifugal extractor is to confirm with the lower limit switch 11 that the pilot motor 1 of the fluid coupling is at the zero rotation position of the centrifugal extractor, and then start the main motor of the centrifugal extractor. Next, as shown in Fig. 1, the pilot motor 1 of the fluid coupling is operated intermittently to gradually increase the speed of the centrifugal extractor, which has a large intrinsic moment. When the number is reached, the upper limit switch 10 is activated, the pilot motor of the fluid coupling stops operating, and the centrifugal extractor enters a steady operating state.
第２図および第３図は遠心抽出機の制御装置を示すもの
で、第１図で説明した運転方法に対する具体的な制御装
置の一実施例である。FIGS. 2 and 3 show a control device for a centrifugal extractor, and are an example of a specific control device for the operating method explained in FIG. 1.
ｔＪ２図の１は流体継手のパイロットモータ、２は増速
用電磁開閉器、３は減速用電磁開閉器、４は電源しゃ断
器、５は流体継手のパイロットモータ１の過負荷防止用
のサーマルリレーである。第３図の６は増速・減速の指
令をするプログラマブルコントローラ（制御器）、７は
手動・自動の運転を切替る切替スイッチ、８，９は手動
運転における運転押ボタンスイッチ、 １０は上限リミ
ットスイッチ、１１は下限リミットスイッチである。In the tJ2 diagram, 1 is the pilot motor of the fluid coupling, 2 is the electromagnetic switch for speed increase, 3 is the electromagnetic switch for deceleration, 4 is the power breaker, and 5 is the thermal relay for overload prevention of the pilot motor 1 of the fluid coupling. It is. In Figure 3, 6 is a programmable controller that commands speed increase and deceleration, 7 is a changeover switch that switches between manual and automatic operation, 8 and 9 are operation push button switches for manual operation, and 10 is an upper limit. Switch 11 is a lower limit switch.
プログラマブルコントローラ６は、！１図に示す内容が
組込まれており、手動−自動切替スイッチ７を自動とし
、遠心抽出機を起動すると、プログラマブルコントロー
ラ６の信号により、増連用電磁開閉器２が閉となり、流
体継手のパイロットモータｌは増速方向に回転する。プ
ログラムコントローラ６の指令により、遠心抽出機の回
転数は徐々に増速し、定格回転数の上限＋Ｊｉブトスイ
ブチェロの位置になると、流体継手のパイロットモータ
１は停止し、遠心抽出機は定常運転状態となる。Programmable controller 6 is! The contents shown in Figure 1 are incorporated, and when the manual-automatic changeover switch 7 is set to automatic and the centrifugal extractor is started, the electromagnetic switch 2 for expansion is closed by the signal from the programmable controller 6, and the pilot motor of the fluid coupling is closed. l rotates in the speed increasing direction. According to the instructions from the program controller 6, the rotation speed of the centrifugal extractor gradually increases, and when it reaches the upper limit of the rated rotation speed + the position of Jibutsuibuchero, the pilot motor 1 of the fluid coupling stops, and the centrifugal extractor returns to a steady operating state. Become.
停止時は、プログラマブルコントローラ６の停止指令に
より、減速用電磁開閉器３が閉となり、流体継手のパイ
ロットモータ１は減速方向に回転し、遠心抽出機零回転
位置になると、下限リミットスイッチ１１により、流体
継手パイロットモータｌは停止し、遠心抽出機の主電動
機を停止せしめるものである。また、手動−自動切替ス
イッチを手動とすると、増速押ボタン８または減速押ボ
タン９皓こより変速することが可能である。When stopped, the deceleration electromagnetic switch 3 is closed in response to a stop command from the programmable controller 6, and the pilot motor 1 of the fluid coupling rotates in the deceleration direction. When the centrifugal extractor reaches the zero rotation position, the lower limit switch 11 causes the The fluid coupling pilot motor 1 is stopped and the main motor of the centrifugal extractor is stopped. Further, when the manual-automatic changeover switch is set to manual, it is possible to change the speed by pressing the speed increase push button 8 or the deceleration push button 9.
なお、本実施例は第１図ないし第３図により説明したが
、本発明はこれらに限定されるものではない。即ち、モ
ータ等回転系のＧ Ｄ ２の大なる回転機器の起動方法
に適用できる。さらに、パイロットモータの間欠運転の
パルス中、あるいは駆動時間の設定（こ変えて中間段階
にリミットスイッチを適宜設けることも可能である。Although this embodiment has been described with reference to FIGS. 1 to 3, the present invention is not limited thereto. That is, the present invention can be applied to a method of starting a rotating device with a large G D 2, such as a motor. Furthermore, it is also possible to appropriately provide a limit switch during the pulse of the pilot motor's intermittent operation or during the setting of the driving time (instead, at an intermediate stage).
本発明によれば、流体継手のパイロ、トモータを間欠的
に動作させ、遠心抽出機の回転数を徐々に増速しながら
立上げ運転を行なうので、真性モーメントの大なる遠心
抽出機の立上げ運転を滑らかに行なうことができる。According to the present invention, the pyro and tomotor of the fluid coupling are operated intermittently and the centrifugal extractor is started up while gradually increasing its rotational speed, so the centrifugal extractor can be started up with a large intrinsic moment. You can drive smoothly.
第１図は本発明の一実施例の遠心抽出機の運転方法を示
す説明図、第２図および第３図はそれぞれ本発明の制御
装置の構成を示す説明図である。
ｌ・・・・・・流体継手のパイロットモータ、６・・曲
プログラマブルコントローラ、１０・・曲上限りミプト
スイプチ、１１・・・・・・下限リミットスイッチオ
ｌ 図
第３図
増速
Ａ迷FIG. 1 is an explanatory diagram showing a method of operating a centrifugal extractor according to an embodiment of the present invention, and FIGS. 2 and 3 are explanatory diagrams each showing the configuration of a control device of the present invention. l...Fluid joint pilot motor, 6...Track programmable controller, 10...Track upper limit switch, 11...Lower limit switch
l Figure 3 Speed increase A error
Claims (1)
ットモータ付の流体継手を設け、回転数を連続的に変速
する遠心抽出機の運転方法において、 前記流体継手のパイロットモータを間欠的に動作させ、
遠心抽出機の回転数を徐々に増速しながら定格回転数ま
で立上げ運転を行なうことを特徴とする遠心抽出機の運
転方法。 ２、遠心抽出機本体と、駆動用主電動機の間に、パイロ
ットモータ付の流体継手を設け、回転数を連続的に変速
する遠心抽出機の運転方法において、 前記駆動用主電動機の電流値を測定し、パイロットモー
タの駆動時間を自動設立し、遠心抽出機の立上げ運転を
短縮することを特徴とする遠心抽出機の運転方法。 ３、前記パイロットモータの間欠運転のパルス巾、ある
いは駆動時間の設定を適宜変えて遠心抽出機の立上げ運
転を行なうことを特徴とする請求項第１項、又は請求項
第２項記載の遠心抽出機の運転方法。 ４、遠心抽出機本体と、駆動用主電動機の間に、パイロ
ットモータ付の流体継手を設け、回転数を連続的に変速
する遠心抽出機の制御装置において、 前記流体継手のパイロットモータの回転制御を行なう電
磁開閉器を設け、該電磁開閉器の操作回路にパイロット
モータの制御指令をする制御器を設けると共に、上限リ
ミットスイッチと下限リミツトスイッチとを設け、遠心
抽出機の運転を行なうように構成したことを特徴とする
遠心抽出機の制御装置。[Scope of Claims] 1. A method of operating a centrifugal extractor in which a fluid coupling with a pilot motor is provided between the centrifugal extractor main body and a driving main motor, and the rotation speed is continuously changed, comprising: operate the pilot motor intermittently,
A method for operating a centrifugal extractor, characterized in that the rotational speed of the centrifugal extractor is gradually increased until it reaches the rated rotational speed during start-up operation. 2. In a method of operating a centrifugal extractor in which a fluid coupling with a pilot motor is provided between the centrifugal extractor body and the drive main motor, and the rotational speed is continuously changed, the current value of the drive main motor is A method for operating a centrifugal extractor, characterized by measuring and automatically setting the drive time of a pilot motor to shorten startup operation of the centrifugal extractor. 3. The centrifugal extractor according to claim 1 or 2, wherein the centrifugal extractor is started up by appropriately changing the pulse width or driving time of the pilot motor for intermittent operation. How to operate the extractor. 4. A control device for a centrifugal extractor in which a fluid coupling with a pilot motor is provided between the centrifugal extractor main body and the driving main motor, and the rotation speed is continuously changed, comprising: controlling the rotation of the pilot motor of the fluid coupling; An electromagnetic switch is provided, and the operating circuit of the electromagnetic switch is provided with a controller that issues a command to control the pilot motor, and an upper limit switch and a lower limit switch are provided to operate the centrifugal extractor. A control device for a centrifugal extractor, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13604889A JPH034904A (en) | 1989-05-31 | 1989-05-31 | Operation method for centrifugal extractor and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13604889A JPH034904A (en) | 1989-05-31 | 1989-05-31 | Operation method for centrifugal extractor and its control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH034904A true JPH034904A (en) | 1991-01-10 |
Family
ID=15165961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13604889A Pending JPH034904A (en) | 1989-05-31 | 1989-05-31 | Operation method for centrifugal extractor and its control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464717A (en) * | 1993-06-04 | 1995-11-07 | Fuji Xerox Co., Ltd. | Electrophotographic photoreceptor with subbing layer and charge generating layer |
| US8178266B2 (en) | 2008-06-27 | 2012-05-15 | Ricoh Company, Ltd. | Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor |
-
1989
- 1989-05-31 JP JP13604889A patent/JPH034904A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464717A (en) * | 1993-06-04 | 1995-11-07 | Fuji Xerox Co., Ltd. | Electrophotographic photoreceptor with subbing layer and charge generating layer |
| US8178266B2 (en) | 2008-06-27 | 2012-05-15 | Ricoh Company, Ltd. | Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor |
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