JP3066299B2 - Filtration dryer cake detection device - Google Patents
Filtration dryer cake detection deviceInfo
- Publication number
- JP3066299B2 JP3066299B2 JP7326857A JP32685795A JP3066299B2 JP 3066299 B2 JP3066299 B2 JP 3066299B2 JP 7326857 A JP7326857 A JP 7326857A JP 32685795 A JP32685795 A JP 32685795A JP 3066299 B2 JP3066299 B2 JP 3066299B2
- Authority
- JP
- Japan
- Prior art keywords
- stirring blade
- cake
- hydraulic
- pressure
- hydraulic cylinder
- 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.)
- Expired - Fee Related
Links
Landscapes
- Filtration Of Liquid (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、濾過乾燥機の槽本
体に堆積したケーキを検知することのできるケーキ検知
装置とその検知方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cake detection device and a cake detection method capable of detecting cake deposited on a tank body of a filter dryer.
【０００２】[0002]
【従来の技術】従来、この種濾過乾燥機としては、例え
ば槽本体にモータにより回転可能で且つ油圧シリンダに
より昇降可能に構成された攪拌翼を内装したものが存在
する。2. Description of the Related Art Conventionally, as this type of filtration dryer, there is one in which, for example, a stirring blade which is rotatable by a motor and which can be raised and lowered by a hydraulic cylinder is provided inside a tank body.
【０００３】そして、原料スラリーを濾過して槽本体に
堆積したケーキは、展延，洗浄，乾燥，排出という工程
を経て粉体製品となるのであるが、これらの各工程に於
いて効率的な運転を図るため、ケーキの存在しない槽本
体内の空間では攪拌翼を高速昇降させる一方、従来に於
いては展延や乾燥工程等で槽本体に設けた覗き窓から作
業者が内部を目視して、攪拌翼がケーキに接触する位置
まで作業者がその都度スイッチ操作により攪拌翼の位置
調整を行った後、攪拌翼の回転方向や回転速度の切替え
を行なっていた。[0003] The cake obtained by filtering the raw material slurry and depositing it on the tank body is converted into a powdery product through the steps of spreading, washing, drying and discharging. For operation, the stirring blades are raised and lowered at high speed in the space inside the tank body where there is no cake, whereas in the past, the operator looks at the inside from the viewing window provided in the tank body in the spreading or drying process. Then, after the operator adjusts the position of the stirring blade by operating the switch each time until the position where the stirring blade contacts the cake, the rotation direction and the rotation speed of the stirring blade are switched.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の手段は作業者の手動操作によるものであるために、
一連の作業が非常に煩雑であると共に、確実性に欠ける
という問題点があり、近年全工程を自動運転することの
できる濾過乾燥機の開発が要請されるに至っている。However, since the above-mentioned conventional means is manually operated by an operator,
There is a problem that a series of operations is very complicated and lacks certainty. In recent years, there has been a demand for the development of a filter dryer capable of automatically operating all processes.
【０００５】これに対して、静電容量式粉面計や超音波
粉面計等の計器を使用してケーキを検知したり、タイマ
ーで時間的に攪拌翼の動作を制御することにより、全工
程を自動化することも考えられるが、前者の手段のうち
静電容量式は正確なケーキ面の位置検出が困難であり、
超音波式はケーキ面の位置検出時に槽本体内が加圧状態
にあるため、測定誤差が大きくなるという欠点を有して
おり、故に従来の粉面計では正確なケーキ面の測定が困
難であった。また、後者の手段にあっては槽本体内のケ
ーキ量が変更された場合には対応できないという難点が
あり、何れも自動化を図る手段としては不適当であっ
た。On the other hand, by detecting a cake using an instrument such as a capacitance type powder level meter or an ultrasonic powder level meter, or by controlling the operation of the stirring blade with time using a timer, the total amount of the cake can be reduced. Although it is conceivable to automate the process, it is difficult to detect the position of the cake surface accurately in the former method,
The ultrasonic method has a drawback that the measurement error increases because the inside of the tank body is in a pressurized state when the position of the cake surface is detected. Therefore, it is difficult to accurately measure the cake surface with the conventional powder level meter. there were. Further, the latter means has a drawback that it cannot cope with a case where the cake amount in the tank body is changed, and any of them is unsuitable as a means for achieving automation.
【０００６】即ち、槽本体内のケーキを確実且つ正確に
検知できないことが、濾過乾燥装置の自動化を妨げる要
因となっていたのである。That is, the inability to reliably and accurately detect the cake in the tank main body has been a factor hindering the automation of the filtration and drying apparatus.
【０００７】それ故に、本発明は上記従来の問題点を解
決するためになされたものであり、槽本体内に堆積した
ケーキを確実且つ正確に検知できるようにして、濾過乾
燥装置の自動化運転を可能にならしめることを課題とす
る。SUMMARY OF THE INVENTION Therefore, the present invention has been made to solve the above-mentioned conventional problems. The present invention has been made to make it possible to reliably and accurately detect a cake deposited in a tank body, and to perform an automatic operation of a filtration and drying apparatus. The task is to make it possible.
【０００８】[0008]
【課題を解決するための手段】即ち、上記課題を解決す
るために本発明が採った手段は、槽本体(1) に駆動手段
により回転可能で且つ油圧シリンダ（３）により昇降可
能な撹拌翼(6) が内装された濾過乾燥機に於いて、前記
油圧シリンダ（３）の作動油が流通する油圧経路は、前
記油圧シリンダ３の撹拌翼(6) を下降させる上室( Ａ)
と撹拌翼(6) を上昇させる下室( Ｂ) とに夫々接続され
た配管(16),(17) と、該配管(16),(17)の他端部に接続
された油圧ユニット(18)と、槽本体(1) 内に堆積したケ
ーキ(20)を検知すべく、撹拌翼(6) がケーキ(20)に接触
した際に、該ケーキ(20)から撹拌翼(6) が受ける反力を
検知可能なように前記下室( Ｂ) が接続された配管(17)
に設けられた圧力測定器(19)と、前記駆動手段を制御す
る回転制御手段( Ｃ) とを具備し、前記圧力測定器(19)
は配管(17)内の作動油の圧力低下を検知して、予め設定
した値以上に圧力が低下した時には前記油圧ユニット(1
8)から油圧シリンダ（３）の上室( Ａ) への作動油の供
給量を一定量にまで減少又は停止させ、且つ、圧力測定
器(19)からの検知信号によって回転制御手段( Ｃ) が少
なくともその回転方向又は回転速度の何れか一方を制御
する点にある。Means for solving the above-mentioned problem is that the present invention adopts a stirring blade which is rotatable by a driving means on a tank body (1) and which can be raised and lowered by a hydraulic cylinder (3). (6) in the filter dryer is decorated, the
The hydraulic path through which the hydraulic oil of the hydraulic cylinder (3) flows
Upper chamber (A) for lowering the impeller (6) of the hydraulic cylinder 3
And the lower chamber (B) that raises the stirring blade (6).
Pipes (16) and (17) and the other end of the pipes (16) and (17)
Hydraulic unit (18) and the casing accumulated in the tank body (1).
Stirrer (6) contacts cake (20) to detect
The reaction force received by the stirring blade (6) from the cake (20)
A pipe (17) to which the lower chamber (B) is connected so that it can be detected
Controlling the pressure measuring device (19) provided in the
Rotation control means (C), and the pressure measuring device (19)
Detects the pressure drop of the hydraulic oil in the pipe (17) and sets it in advance.
When the pressure drops below the specified value, the hydraulic unit (1
Supply of hydraulic oil from 8) to the upper chamber (A) of the hydraulic cylinder (3)
Reduce or stop the supply to a certain amount and measure the pressure
The rotation control means (C) is reduced by the detection signal from the device (19).
At least one of the rotation direction and rotation speed is controlled
To the point that there is.
【０００９】上記構成を特徴とするケーキの検知装置に
於いては、駆動手段により攪拌翼６を下降させて該攪拌
翼６がケーキ20に接触した時点で、攪拌翼６はケーキ20
から反力を受けて、この反力が検知手段により検知され
ることになる。In the cake detecting apparatus characterized by the above-mentioned structure, the stirring blade 6 is lowered by the driving means, and when the stirring blade 6 comes into contact with the cake 20, the stirring blade 6
, And the reaction force is detected by the detection means.
【００１０】従って、かかる検知手段に連動させて、例
えば駆動手段による攪拌翼６の昇降，昇降速度，回転方
向，回転速度を自動制御することが可能となり、濾過，
展延から排出に至るまでの全工程の自動化の便に大いに
寄与し得ると共に、各工程に応じて攪拌翼６を駆動する
ことが可能となるのである。Therefore, in conjunction with the detection means, it becomes possible to automatically control, for example, the lifting and lowering speed, the rotation direction, and the rotation speed of the stirring blade 6 by the driving means.
This can greatly contribute to the convenience of automation of all the processes from the spreading to the discharging, and also makes it possible to drive the stirring blade 6 according to each process.
【００１１】また、攪拌翼６を昇降させる駆動手段を油
圧シリンダ３で構成した場合は、例えば油圧シリンダ３
のストローク長さを測定可能な装置により、撹拌翼６が
ケーキ20の上面に接触した時を検出して油圧シリンダ３
のストローク長さからケーキ20の上面の高さの測定値を
得ることも可能である。When the drive means for raising and lowering the stirring blade 6 is constituted by the hydraulic cylinder 3, for example, the hydraulic cylinder 3
A device capable of measuring the stroke length of the hydraulic cylinder 3 detects when the stirring blade 6 contacts the upper surface of the cake 20.
It is also possible to obtain a measured value of the height of the upper surface of the cake 20 from the stroke length.
【００１２】[0012]
【発明の実施の形態】以下、本発明の一実施形態につい
て図面に従って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.
【００１３】図１に於いて、１はベル型ハウジング形状
の槽本体を示し、その内部中央にはモータ２により回転
駆動され且つ油圧シリンダ３により昇降可能な回転軸４
と、該回転軸４の下端部に設けられた複数枚の羽根板５
とからなる攪拌翼６が内装されている。尚、前記油圧シ
リンダ３は複動形ピストンタイプのものであり、そのロ
ッド７が図２のように攪拌翼６の回転軸４に接続されて
いる。In FIG. 1, reference numeral 1 denotes a bell-shaped housing-shaped tank main body, and a rotary shaft 4 driven by a motor 2 and movable up and down by a hydraulic cylinder 3 in the center of the inside thereof.
And a plurality of blades 5 provided at the lower end of the rotating shaft 4.
And a stirring blade 6 comprising: The hydraulic cylinder 3 is of a double-acting piston type, and its rod 7 is connected to the rotating shaft 4 of the stirring blade 6 as shown in FIG.
【００１４】８は槽本体１の下部開口部を閉塞するため
の下蓋で、その中央には濾液排出口９が設けられてお
り、且つ下蓋８上には濾板10を介して濾材11が配されて
いる。12は槽本体１の下部側面に設けられた粉体排出装
置で、油圧シリンダ13により開閉される弁体（図示せ
ず）が内装されている。14は槽本体１の外周面に設けら
れたジャケットを示す。Reference numeral 8 denotes a lower lid for closing a lower opening of the tank body 1, a filtrate outlet 9 is provided at the center thereof, and a filter medium 11 is provided on the lower lid 8 through a filter plate 10. Is arranged. Numeral 12 denotes a powder discharging device provided on the lower side surface of the tank body 1 and a valve body (not shown) opened and closed by a hydraulic cylinder 13 is provided therein. Reference numeral 14 denotes a jacket provided on the outer peripheral surface of the tank body 1.
【００１５】図２中、15は油圧シリンダ３の作動油が流
通する油圧経路で、該油圧経路15は油圧シリンダ３の上
室Ａと下室Ｂとに夫々接続された配管16,17 と、該配管
16,17 の他端部に接続された油圧ユニット18と、配管17
に設けられた圧力測定器19とからなり、該圧力測定器19
は配管17内の作動油の圧力低下を検知して、予め設定し
た値以上に圧力が低下した時には前記油圧ユニット18か
ら油圧シリンダ３の上室Ａへの作動油の供給量を一定量
にまで減少又は停止させ得るように構成されている。In FIG. 2, reference numeral 15 denotes a hydraulic path through which the hydraulic oil of the hydraulic cylinder 3 flows. The hydraulic path 15 includes pipes 16 and 17 connected to the upper chamber A and the lower chamber B of the hydraulic cylinder 3, respectively. The piping
Hydraulic unit 18 connected to the other end of
And a pressure measuring device 19 provided in the
Detects the pressure drop of the hydraulic oil in the pipe 17, and when the pressure drops to a predetermined value or more, the supply amount of the hydraulic oil from the hydraulic unit 18 to the upper chamber A of the hydraulic cylinder 3 is reduced to a certain amount. It is configured to be able to decrease or stop.
【００１６】本実施形態は以上のような構成からなり、
槽本体１に投入された原料スラリーは槽本体１内を加圧
等することにより濾過が行われ、その際に生じた濾液は
濾材11及び濾板10を介して下蓋８の濾液排出口９から外
部に排出される一方、槽本体１には原料スラリー中の固
形分（ケーキ20）が湿潤状態で残存することになる。The present embodiment has the above configuration.
The raw material slurry put into the tank body 1 is filtered by pressurizing the inside of the tank body 1 or the like, and the filtrate generated at that time is passed through a filter medium 11 and a filter plate 10 to a filtrate outlet 9 of the lower lid 8. , The solid content (cake 20) in the raw material slurry remains in the tank body 1 in a wet state.
【００１７】次に、ケーキ20を展延すべくモータ２によ
り攪拌翼６を回転させながら油圧シリンダ３により下降
させるのであるが、ケーキ20の存在しない空間21に攪拌
翼６の羽根板５が位置している時は、攪拌翼６を高速下
降させるべく油圧ユニット18から多量の作動油が配管16
を介して油圧シリンダ３の上室Ａに供給されて、作業の
効率化が図られる。これは、攪拌翼６を上昇させる場合
も同様である。Next, while the stirring blade 6 is rotated by the motor 2 to spread the cake 20, it is lowered by the hydraulic cylinder 3. The blade 5 of the stirring blade 6 is positioned in the space 21 where the cake 20 does not exist. During operation, a large amount of hydraulic oil is supplied from the hydraulic unit 18 to the piping 16 to lower the stirring blade 6 at high speed.
To the upper chamber A of the hydraulic cylinder 3 to improve work efficiency. This is the same when raising the stirring blade 6.
【００１８】その後、攪拌翼６が下降してケーキ20の上
面に接触すると、該ケーキ20から攪拌翼６が反力を受け
て、配管17内の作動油の圧力は低下することになる。こ
の場合、かかる作動油の圧力低下が前記設定値よりも大
きくなると、この圧力低下を圧力測定器19が検知し、こ
れに連動して油圧ユニット18から油圧シリンダ３の上室
Ａに送給される作動油の供給量が一定量にまで減少する
か又は停止して、攪拌翼６の下降速度が低減され又は停
止し、次に攪拌翼６の制御手段Ｃにより回転方向，回転
速度が切替えられる。この場合、撹拌翼６の回転方向及
び回転速度の切替えは、圧力測定器19からの検知信号に
よって撹拌翼６の回転を制御する回転制御手段Ｃに連動
するモータ２により行われる。このようにして、撹拌翼
６の回転方向，回転速度，下降速度は展延工程に適切な
ものとなる。Thereafter, when the stirring blade 6 descends and comes into contact with the upper surface of the cake 20, the stirring blade 6 receives a reaction force from the cake 20, and the pressure of the hydraulic oil in the pipe 17 decreases. In this case, when the pressure drop of the hydraulic oil becomes larger than the set value, the pressure drop is detected by the pressure measuring device 19, and in conjunction with this, the pressure is sent from the hydraulic unit 18 to the upper chamber A of the hydraulic cylinder 3. The supply amount of the working oil is reduced or stopped to a certain amount, the descending speed of the stirring blade 6 is reduced or stopped, and then the rotation direction and the rotation speed are switched by the control means C of the stirring blade 6. . In this case, switching of the rotation direction and rotation speed of the stirring blade 6 is performed by the motor 2 linked to the rotation control means C that controls the rotation of the stirring blade 6 based on a detection signal from the pressure measuring device 19. In this manner, the rotation direction, rotation speed, and descent speed of the stirring blade 6 become appropriate for the spreading process.
【００１９】このようにして、ケーキ面の位置を検知す
ると、攪拌翼６は次工程に適切な昇降速度，回転方向，
回転速度に切替えられて運転を行うことになる。When the position of the cake surface is detected in this way, the stirring blade 6 moves up and down speed, rotation direction,
The operation is performed by switching to the rotation speed.
【００２０】そして、攪拌翼６は一定量下降した後に下
降動作のみが停止し、油圧ユニット18から配管17を介し
て油圧シリンダ３の下室Ｂへと作動油が供給されて、攪
拌翼６が高速で上昇する。かかる攪拌翼６の上昇速度は
必ずしも高速とする必要はなく、回転方向や回転速度も
任意に選択可能である。After the stirrer blade 6 has descended by a certain amount, only the descending operation is stopped, and hydraulic oil is supplied from the hydraulic unit 18 to the lower chamber B of the hydraulic cylinder 3 via the pipe 17 so that the stirrer blade 6 Rise fast. The rising speed of the stirring blade 6 does not necessarily need to be high, and the rotation direction and the rotation speed can be arbitrarily selected.
【００２１】このような展延工程が終了すると、展延し
たケーキ20に洗浄液を噴射して該ケーキ20に含有する異
物等を除去する洗浄工程、及び洗浄工程の後に槽本体１
内を減圧しつつ加熱ジャケット14内に熱媒を導入して乾
燥する乾燥工程に於いても、攪拌翼６を回転させながら
昇降させて洗浄及び乾燥の促進が図られるが、これらの
各工程に於いても攪拌翼６の昇降速度は前記展延工程の
場合と同様にして制御される。When the spreading step is completed, a cleaning liquid is sprayed on the spread cake 20 to remove foreign substances and the like contained in the cake 20, and after the cleaning step, the tank body 1
In the drying step in which the heating medium is introduced into the heating jacket 14 while drying while reducing the pressure, the washing and drying are promoted by moving the stirring blade 6 up and down while rotating the stirring blade 6. Also in this case, the elevating speed of the stirring blade 6 is controlled in the same manner as in the case of the spreading step.
【００２２】以上説明したように、攪拌翼６がケーキ20
に接触して配管17内の作動油の圧力低下が設定値以上に
なると、これを圧力測定器19が検知して油圧ユニット18
及び油圧シリンダ３を介して攪拌翼６の昇降速度が自動
的に低減又は停止されるため、目視による翼位置の調整
及び確認が不要であり、且つ圧力測定器19からの検知信
号によって撹拌翼６の回転を制御する回転制御手段Ｃに
より攪拌翼６の回転方向，回転速度を自動的に切替え
て、展延工程等が行えることとなり、よって全工程を自
動化することが可能となるのである。As described above, the stirring blade 6 is used for the cake 20.
When the pressure drop of the hydraulic oil in the pipe 17 exceeds the set value due to contact with the
Since the lifting speed of the stirring blade 6 is automatically reduced or stopped via the hydraulic cylinder 3, it is not necessary to visually adjust and confirm the position of the blade, and the stirring blade 6 is controlled by a detection signal from the pressure measuring device 19. By automatically switching the rotation direction and rotation speed of the stirring blade 6 by the rotation control means C for controlling the rotation of the agitating blade 6, the spreading process and the like can be performed, and thus the entire process can be automated.
【００２３】その結果、一連の濾過乾燥作業の省力化及
び効率化が図れることになる。As a result, labor and efficiency of a series of filtration and drying operations can be reduced.
【００２４】また、本実施形態では攪拌翼６の昇降手段
たる油圧シリンダ３の油圧経路15を利用して、該油圧経
路15にケーキ20の検知手段及び攪拌翼６の制御手段を設
けてなるために、全体の構成を簡略化できると共に、低
コストで製作できるという利点がある。Further, in the present embodiment, the hydraulic path 15 of the hydraulic cylinder 3 which is a means for elevating and lowering the stirring blade 6 is used, and the hydraulic path 15 is provided with means for detecting the cake 20 and control means for the stirring blade 6. Another advantage is that the entire configuration can be simplified and the device can be manufactured at low cost.
【００２５】尚、上記実施形態に於いては、油圧シリン
ダ３の油圧経路15に検知手段としての圧力測定器19を設
けたが、かかる検知手段は決してこれに限定されず、例
えば油圧シリンダ３のロッド７と回転軸４との間に圧力
素子を取付けて、これを検知手段としてもよく、該圧力
素子に連動させて油圧ユニット18等の制御手段により攪
拌翼６の昇降速度を制御することも可能である。要は、
攪拌翼６がケーキ20に接触した際に、該ケーキ20から攪
拌翼６が受ける反力を検知可能な検知手段でありさえす
ればよい。In the above embodiment, the pressure measuring device 19 is provided as the detecting means in the hydraulic path 15 of the hydraulic cylinder 3, but the detecting means is not limited to this. A pressure element may be attached between the rod 7 and the rotating shaft 4 and used as a detecting means. The control unit such as the hydraulic unit 18 may control the elevating speed of the stirring blade 6 in conjunction with the pressure element. It is possible. In short,
When the stirring blade 6 comes into contact with the cake 20, it only needs to be a detecting means capable of detecting a reaction force received by the stirring blade 6 from the cake 20.
【００２６】さらに、本実施形態では、ケーキ20を検知
して昇降制御手段たる油圧ユニット18及び回転制御手段
Ｃにより攪拌翼６の昇降，昇降速度，回転方向及び回転
速度を変更できるように構成したが、必ずしも昇降及び
回転を変更する必要はなく、昇降，昇降速度，回転方向
又は回転速度のうち少なくとも１以上が変更可能に構成
されればよい。また、撹拌翼６の昇降及び回転動作の制
御手段を図２のように別体に設置してもよいし、一体に
設置することも勿論可能である。要は、昇降と回転動作
の制御をすればよい。Further, in the present embodiment, the cake 20 is detected, and the hydraulic unit 18 and the rotation control means C as elevation control means can change the elevation, elevation speed, rotation direction and rotation speed of the stirring blade 6. However, it is not always necessary to change the vertical movement and the rotation, and it is sufficient that at least one of the vertical movement, the vertical movement speed, the rotation direction and the rotation speed can be changed. Further, the control means for controlling the lifting and lowering and rotating operation of the stirring blade 6 may be provided separately as shown in FIG. 2, or may be provided integrally. In short, it is only necessary to control the vertical movement and the rotation operation.
【００２７】さらに、攪拌翼６を回転及び昇降可能とす
る駆動手段も上記実施形態のモータ２や油圧シリンダ３
に限定されるものではない。Further, the driving means for rotating and raising and lowering the stirring blade 6 is also provided by the motor 2 and the hydraulic cylinder 3 of the above embodiment.
However, the present invention is not limited to this.
【００２８】その他、槽本体１や攪拌翼６等、濾過乾燥
装置の各部の構成も本発明の意図する範囲内に於いて任
意に設計変更自在である。In addition, the configuration of each part of the filtration and drying apparatus, such as the tank body 1 and the stirring blade 6, can be freely changed within the range intended by the present invention.
【００２９】[0029]
【発明の効果】叙上の様に、本発明は撹拌翼がケーキに
接触した際に、該ケーキから撹拌翼が受ける反力を検知
手段により検知するものであるために、ケーキを確実且
つ正確に検知できるばかりではなく、例えば前記検知手
段に連動する制御手段により前記攪拌翼の昇降，昇降速
度，回転方向，回転速度等を各工程に応じた作動条件に
切替えることが可能となる。As described above, according to the present invention, when the stirring blade comes into contact with the cake, the reaction force received by the stirring blade from the cake is detected by the detecting means. Not only can it be detected, but also, for example, the control means linked to the detection means can switch the elevating and lowering, the elevating speed, the rotating direction, the rotating speed, and the like of the stirring blade to operating conditions according to each process.
【００３０】従って、その都度作業者が手動操作により
攪拌翼の昇降，昇降速度，回転方向，回転速度等を変更
する必要がなくなり作業の効率化が図れると共に、濾
過，展延から排出に至るまでの全工程を自動化すること
が可能になるという格別の効果を得るに至ったのであ
る。Therefore, it is not necessary for the operator to manually change the lifting / lowering speed, the vertical speed, the rotating direction, the rotating speed, etc. of the stirring blade, so that the efficiency of the operation can be improved, and the process from filtration, spreading to discharging can be performed. This has resulted in a special effect that the entire process can be automated.
【００３１】また、本発明に係る検知装置は、上述した
ように全体の構成が極めて簡易であるため、その製作も
容易に且つ安価に行えるという実用的な効果も奏するの
である。Further, since the detection device according to the present invention has an extremely simple overall configuration as described above, it has a practical effect that it can be manufactured easily and at low cost.
【図１】本発明の一実施形態を示す濾過乾燥装置の正面
図。FIG. 1 is a front view of a filtration and drying apparatus showing an embodiment of the present invention.
【図２】濾過乾燥装置のケーキ面検知装置の一例を示す
説明図。FIG. 2 is an explanatory view showing an example of a cake surface detection device of the filtration and drying device.
１…槽本体 ６…攪拌翼 13…油圧シリンダ 15…油圧経路 18…油圧ユニット 19…圧力測定器 20…ケーキ 1 ... tank body 6 ... stirring blade 13 ... hydraulic cylinder 15 ... hydraulic path 18 ... hydraulic unit 19 ... pressure measuring device 20 ... cake
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−213814（ＪＰ，Ａ) 特開 平１−107817（ＪＰ，Ａ) 特開 平２−187101（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B01D 29/00 - 29/96 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-62-213814 (JP, A) JP-A-1-107817 (JP, A) JP-A-2-187101 (JP, A) (58) Field (Int. Cl. 7 , DB name) B01D 29/00-29/96
Claims (1)
且つ油圧シリンダ（３）により昇降可能な撹拌翼(6) が
内装された濾過乾燥機に於いて、前記油圧シリンダ
（３）の作動油が流通する油圧経路は、前記油圧シリン
ダ３の撹拌翼(6) を下降させる上室( Ａ) と撹拌翼(6)
を上昇させる下室( Ｂ) とに夫々接続された配管(16),
(17) と、該配管(16),(17) の他端部に接続された油圧
ユニット(18)と、槽本体(1) 内に堆積したケーキ(20)を
検知すべく、撹拌翼(6) がケーキ(20)に接触した際に、
該ケーキ(20)から撹拌翼(6) が受ける反力を検知可能な
ように前記下室( Ｂ) が接続された配管(17)に設けられ
た圧力測定器(19)と、前記駆動手段を制御する回転制御
手段( Ｃ) とを具備し、前記圧力測定器(19)は配管(17)
内の作動油の圧力低下を検知して、予め設定した値以上
に圧力が低下した時には前記油圧ユニット(18)から油圧
シリンダ（３）の上室( Ａ) への作動油の供給量を一定
量にまで減少又は停止させ、且つ、圧力測定器(19)から
の検知信号によって回転制御手段( Ｃ) が少なくともそ
の回転方向又は回転速度の何れか一方を制御することを
特徴とする濾過乾燥機のケーキ検知装置。1. A tank at a filtration dryer liftable stirring blade (6) is furnished by and hydraulic cylinder rotatable (3) by driving means to the main body (1), the hydraulic cylinder
(3) The hydraulic path through which the hydraulic oil flows is the hydraulic cylinder
Upper chamber (A) for lowering the stirring blade (6) of DA3 and stirring blade (6)
Pipes (16) connected to the lower chamber (B)
(17) and a hydraulic pressure connected to the other end of the pipes (16) and (17).
Unit (18) and cake (20) deposited in tank body (1)
To detect, when the stirring blade (6) comes in contact with the cake (20),
The reaction force received by the stirring blade (6) from the cake (20) can be detected.
Is provided in the pipe (17) to which the lower chamber (B) is connected.
Pressure measurement device (19), rotation control for controlling the driving means
Means (C), and the pressure measuring device (19) is provided with a pipe (17).
Detects a drop in hydraulic oil pressure in the chamber and exceeds a preset value
When the pressure drops, the hydraulic unit (18)
Constant supply of hydraulic oil to upper chamber (A) of cylinder (3)
Reduced to a volume or stopped, and from a pressure gauge (19)
The rotation control means (C) at least
Characterized in that either one of the rotation direction and the rotation speed of the cake is controlled .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7326857A JP3066299B2 (en) | 1995-12-15 | 1995-12-15 | Filtration dryer cake detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7326857A JP3066299B2 (en) | 1995-12-15 | 1995-12-15 | Filtration dryer cake detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09164309A JPH09164309A (en) | 1997-06-24 |
| JP3066299B2 true JP3066299B2 (en) | 2000-07-17 |
Family
ID=18192502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7326857A Expired - Fee Related JP3066299B2 (en) | 1995-12-15 | 1995-12-15 | Filtration dryer cake detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3066299B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007029926A (en) * | 2005-07-29 | 2007-02-08 | Kobelco Eco-Solutions Co Ltd | Filter dryer |
-
1995
- 1995-12-15 JP JP7326857A patent/JP3066299B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09164309A (en) | 1997-06-24 |
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