JPH11262654A - Additive injection device - Google Patents
Additive injection deviceInfo
- Publication number
- JPH11262654A JPH11262654A JP6996598A JP6996598A JPH11262654A JP H11262654 A JPH11262654 A JP H11262654A JP 6996598 A JP6996598 A JP 6996598A JP 6996598 A JP6996598 A JP 6996598A JP H11262654 A JPH11262654 A JP H11262654A
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- JP
- Japan
- Prior art keywords
- vibration
- additive
- plug
- injection
- detector
- 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.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、搬送管内で、空気
部分を挾んで多数の塊状のプラグに分断されて流動する
土砂等の被搬送物に、固化材等の添加材を好適に添加す
る添加材注入設備に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention suitably adds an additive such as a solidifying material to a conveyed material such as earth and sand which is divided into a number of massive plugs across an air portion and flows in a conveying pipe. The present invention relates to an additive injection system.
【０００２】[0002]
【従来の技術】浚渫土砂等を埋立材料、盛土材料等とし
て使用する場合には、高強度の土砂に改良するために、
セメントミルク等の固化材（安定処理材）を添加して混
合する固化処理が行われる。従来、このような固化処理
は、搬送されてきた土砂を所定箇所に貯留し、バックホ
ーを使用して土砂と固化材とを攪拌するなど、一般にバ
ッチ処理により行われていた。2. Description of the Related Art When using dredged soil and the like as a landfill material, an embankment material and the like, in order to improve the soil into high-strength soil,
A solidifying treatment is performed in which a solidifying material (stabilizing material) such as cement milk is added and mixed. Conventionally, such a solidification process is generally performed by a batch process, such as storing the conveyed earth and sand at a predetermined location and stirring the earth and sand with the solidified material using a backhoe.
【０００３】[0003]
【発明が解決しようとする課題】埋立工事等において
は、大量の土砂を固化処理する必要があるが、上述のよ
うなバッチ処理では非効率的であるという問題があっ
た。そこで、土砂の搬送管に固化材の注入器を設置し
て、土砂の搬送中に、搬送管内に固化材を注入し、土砂
と固化材とを攪拌、混合させることが考えられる。In a landfill construction or the like, it is necessary to solidify a large amount of earth and sand, but there is a problem that the batch processing as described above is inefficient. Therefore, it is conceivable that an injector for the solidified material is installed in the sediment transport pipe, the solidified material is injected into the transport pipe during the transport of the earth and sand, and the soil and the solidified material are stirred and mixed.
【０００４】この場合、土砂が圧縮空気を介して流動す
る搬送管内は、図１０に示すように、土砂が空気部分
Ａ、Ａ…を挾んで多数の塊状（栓状）のプラグＳ、Ｓ…
に分断されて流動するプラグ流となり、プラグＳ、Ｓ…
（土砂）の夫々の重量（又は体積、長さ）、間隔は一定
ではないため、単に連続的に固化材を搬送管１内に注入
するだけでは、固化材が空気部分Ａ、Ａ…に供給される
など、土砂（プラグＳ、Ｓ…）に適切に添加することが
できず、土砂に対する固化材の添加量の制御が困難であ
るという問題が生じてくる。In this case, as shown in FIG. 10, a large number of massive (plug-like) plugs S, S... Sandwich the air portions A, A.
The plug flow is divided and flows into plugs S, S ...
Since the respective weights (or volumes, lengths) and intervals of (soil and sand) are not constant, the solidified material is supplied to the air portions A, A... Simply by continuously injecting the solidified material into the transport pipe 1. For example, it is not possible to appropriately add the solidifying material to the earth and sand (plugs S, S...), And it is difficult to control the amount of the solidifying material added to the earth and sand.
【０００５】本発明は、このような問題に鑑み、搬送管
内で空気部分を挾んで多数の塊状のプラグに分断されて
流動する土砂等の被搬送物に、固化材等の添加材が好適
に添加されるように、添加材を搬送管内に注入すること
を目的とする。[0005] In view of the above problems, the present invention is preferably implemented by adding an additive such as a solidifying material to a conveyed object such as earth and sand which is divided into a large number of plugs sandwiching an air portion in a conveying pipe and flows. The purpose is to inject the additive into the transport tube so that it is added.
【０００６】[0006]
【課題を解決するための手段】本発明の特徴は、土砂等
の被搬送物が空気部分を挾んで多数の塊状のプラグに分
断されて流動する搬送管の途中の所定位置に、固化材等
の添加物を前記搬送管内に注入する添加材注入器が設置
され、前記添加材注入器に対して上流に、前記搬送管の
振動等を検出する振動等検出器が設置され、前記各プラ
グが前記振動等検出器の設置位置を通過する際に前記振
動等検出器により検出される振動等の検出時刻および検
出持続時間に基づいて、前記各プラグが前記添加材注入
器の設置位置を通過する際に前記各プラグに対応した量
の前記添加材が前記搬送管内に注入されるように、前記
添加材注入器による前記添加材の注入時期及び注入量を
制御する注入制御部が設けられたことにある。A feature of the present invention is that a conveyed material such as earth and sand is divided into a number of massive plugs across an air portion, and a solidified material or the like is placed at a predetermined position in the middle of a conveyer tube which flows. An additive injector for injecting the additive into the transport pipe is installed, and a vibration etc. detector for detecting the vibration and the like of the transport pipe is installed upstream of the additive injector, and each plug is Each plug passes through the installation position of the additive injector based on the detection time and the detection duration of the vibration and the like detected by the vibration etc. detector when passing through the installation position of the vibration etc. detector. In such a case, an injection control unit that controls the injection timing and the injection amount of the additive by the additive injector is provided so that the amount of the additive corresponding to each plug is injected into the transport pipe. It is in.
【０００７】また、本発明の特徴は、土砂等の被搬送物
が空気部分を挾んで多数の塊状のプラグに分断されて流
動する搬送管の途中の所定位置に、固化材等の添加物を
前記搬送管内に注入する添加材注入器が設置され、前記
添加材注入器に対して上流に、前記搬送管の振動等を検
出する振動等検出器と前記搬送管内の圧力を計測する圧
力計とが設置され、前記各プラグが前記振動等検出器の
設置位置を通過する際に前記振動等検出器により検出さ
れる振動等に基づいて、前記各プラグが前記圧力計の設
置位置を通過する概略時期を判定し、前記各プラグが前
記振動等検出器又は前記圧力計の設置位置を通過する際
に前記振動等検出器又は前記圧力計により検出される振
動等又は圧力の検出時刻に基づいて、前記各プラグが前
記添加材注入器の設置位置を通過する際に前記添加材が
前記搬送管内に注入されるように、かつ、前記各プラグ
が前記圧力計の設置位置を通過する際に前記圧力計によ
り検出される圧力のピーク値に基づいて、前記各プラグ
に対応した量の前記添加材が前記搬送管内に注入される
ように、前記添加材注入器による前記添加材の注入時期
及び注入量を制御する注入制御部が設けられたことにあ
る。Another feature of the present invention is that an additive such as a solidifying material is added to a predetermined position in the middle of a conveying pipe in which an object to be conveyed such as earth and sand is divided into a large number of plugs across an air portion and flows. An additive injector for injecting into the transport pipe is installed, and an upstream detector with respect to the additive injector, a vibration etc. detector for detecting vibration and the like of the transport pipe, and a pressure gauge for measuring a pressure in the transport pipe. Is installed, and each plug passes through the installation position of the pressure gauge based on vibration or the like detected by the vibration etc. detector when each plug passes through the installation position of the vibration etc. detector. Determine the timing, based on the vibration or the like or the pressure detection time detected by the vibration or the like detector or the pressure gauge when each plug passes the installation position of the vibration or the like detector or the pressure gauge, Each plug is connected to the additive injector. As the additive is injected into the transfer pipe when passing through the installation position, and the peak value of the pressure detected by the pressure gauge when each of the plugs passes through the installation position of the pressure gauge. An injection control unit that controls an injection timing and an injection amount of the additive by the additive injector so that an amount of the additive corresponding to each plug is injected into the transfer pipe based on the plug. It is in.
【０００８】なお、複数の振動等検出器又は圧力計が上
流側と下流側とに所定間隔で設置され、注入制御部は、
前記振動等検出器又は前記圧力計により検出される振動
等の検出時刻差又は圧力のピーク値の検出時刻差に基づ
いて、添加材の注入時期を制御するようにしてもよい。[0008] A plurality of vibration detectors or pressure gauges are installed at predetermined intervals on the upstream side and the downstream side.
The injection timing of the additive may be controlled based on a detection time difference of vibration or the like detected by the vibration detector or the pressure gauge or a detection time difference of a peak value of pressure.
【０００９】[0009]
【発明の実施の形態】図１、２は、本発明の第１実施形
態であって、搬送管１内の流速が一定であるなど予め判
明しており、１つの振動等検出器２１でも固化材の注入
時期が判定できる場合を示している。搬送管１内の土砂
は、圧縮空気を介して流動するが、図１０に示すよう
に、空気部分Ａ、Ａ…を挾んで、土砂が多数の不定量の
塊状（栓状）のプラグＳ、Ｓ…に不定間隔で分断され、
搬送管１内はプラグ流となる。1 and 2 show a first embodiment of the present invention. It is known in advance that the flow velocity in the transport pipe 1 is constant, and even if one vibration or the like detector 21 is solidified. This shows a case where the injection time of the material can be determined. The earth and sand in the conveying pipe 1 flows through the compressed air, and as shown in FIG. 10, a large number of indeterminate massive (plug-like) plugs S are sandwiched between the air portions A, A,. It is divided at irregular intervals by S ...
The inside of the transport pipe 1 becomes a plug flow.
【００１０】図１に示すように、搬送管１の途中の所定
位置には、添加材注入器を構成する注入管１０が備えら
れており、注入管１０は、注入制御部を構成する制御用
コンピューター２０により制御され、タンク、ポンプ等
の供給装置１１から供給されるセメントミルク等の固化
材を、所定時期に、所定量だけ、搬送管１内に注入する
ようになっている。As shown in FIG. 1, an injection pipe 10 constituting an additive injection device is provided at a predetermined position in the middle of the transport pipe 1, and the injection pipe 10 is used for controlling an injection control section. A solidified material such as cement milk supplied from a supply device 11 such as a tank or a pump, which is controlled by the computer 20, is injected into the transport pipe 1 by a predetermined amount at a predetermined time.
【００１１】そして、搬送管１には、注入管１０よりも
上流の距離ｄの位置に、振動センサー、加速度センサ
ー、騒音計等からなる振動等検出器２１が設置されてお
り、振動等検出器２１は、その設置位置の搬送管１の振
動等（振動、加速度又は音圧）を検出するようになって
おり、検出結果は、制御用コンピューター２０に、信号
線２３を介して即座に伝達され、記録される。A vibration detector 21 including a vibration sensor, an acceleration sensor, a sound level meter, and the like is installed in the transport pipe 1 at a position at a distance d upstream of the injection pipe 10. 21 detects vibrations (vibration, acceleration or sound pressure) of the transport pipe 1 at the installation position, and the detection result is immediately transmitted to the control computer 20 via the signal line 23. Is recorded.
【００１２】制御用コンピューター２０は、各プラグＳ
が振動等検出器２１の設置位置を通過する際に振動等検
出器２１により検出される振動等の検出時刻に基づい
て、各プラグＳが注入管１０の設置位置を通過する時刻
を算出し、振動等の検出持続時間に基づいて、各プラグ
Ｓの重量（又は体積、長さ）を算出する。そして、多数
のプラグＳ、Ｓ…の夫々の先端が注入管１０の設置位置
を通過する際に搬送管１内への固化材の注入を開始し、
多数のプラグＳ、Ｓ…の夫々の重量（又は体積、長さ）
に比例した量の固化材を注入するように、注入管１０に
よる固化材の注入時期、注入量（又は注入時間（注入速
度が一定の場合））を制御する。The control computer 20 is connected to each plug S
Based on the detection time of the vibration or the like detected by the vibration etc. detector 21 when passing through the installation position of the vibration etc. detector 21, the time when each plug S passes the installation position of the injection pipe 10 is calculated, The weight (or volume, length) of each plug S is calculated based on the detection duration of vibration or the like. Then, when the respective tips of the large number of plugs S, S... Pass through the installation position of the injection pipe 10, the injection of the solidified material into the transport pipe 1 is started,
The weight (or volume, length) of each of the multiple plugs S, S ...
The injection timing and the injection amount (or injection time (when the injection speed is constant)) of the solidification material are controlled by the injection pipe 10 so as to inject the solidification material in an amount proportional to.
【００１３】即ち、搬送管１内をプラグＳが通過する際
には、その通過位置の搬送管１の振動等のレベルが上昇
することが、実験により確認されており、図２に示すよ
うに、プラグＳの先端が振動等検出器２１の設置位置を
通過する時刻ｔ1 に、振動等検出器２１の振動等のレベ
ルが上昇しはじめて、プラグＳの重量（又は体積、長
さ）に略比例した時間ｔH だけ、振動等のレベルが高い
状態が持続する。That is, it has been confirmed by an experiment that when the plug S passes through the transport pipe 1, the level of vibration and the like of the transport pipe 1 at the passing position rises, as shown in FIG. At time t 1 when the tip of the plug S passes through the installation position of the vibration etc. detector 21, the level of the vibration etc. of the vibration etc. detector 21 starts to increase, and the weight (or volume, length) of the plug S is substantially reduced. The state in which the level of vibration or the like is high continues for the proportional time t H.
【００１４】従って、振動等検出器２１と注入管１０と
の距離ｄ、搬送管１内の流速ｖ（既知）を考慮して、振
動等検出器２１による検出時刻ｔ1 に基づいて、各プラ
グＳが注入管１０の設置位置を通過する時刻ｔ3 （ｔ3
＝ｄ／ｖ＋ｔ1 ）を算出することができ、また、振動等
検出器２１による検出持続時刻ｔH に基づいて、プラグ
Ｓの重量ｗ（ｗ＝α×ｔH （αは定数））を算出するこ
とができ、上述のように固化材の注入時期、注入量を制
御することができる。Therefore, taking into account the distance d between the vibration and the like detector 21 and the injection pipe 10 and the flow velocity v (known) in the transport pipe 1, each plug is determined based on the detection time t 1 by the vibration and the like detector 21. Time t 3 at which S passes through the installation position of the injection pipe 10 (t 3
= D / v + t 1 ), and the weight w (w = α × t H (α is a constant)) of the plug S is calculated based on the duration of detection t H by the vibration etc. detector 21. As described above, the injection timing and the injection amount of the solidified material can be controlled.
【００１５】このようにして、注入管１０による搬送管
１内への固化材の注入時期を、多数のプラグＳ、Ｓ…の
夫々の先端が注入管１０の設置位置を通過する際に注入
を開始するように制御することができ、これによって、
搬送管１内の多数のプラグＳ、Ｓ…の間隔が一定でなく
ても、空気部分Ａ、Ａ…に固化材を供給することなく、
プラグＳ、Ｓ…の夫々に固化材を確実に添加することが
できる。In this way, the injection time of the solidified material into the transfer pipe 1 by the injection pipe 10 is determined when the tip of each of the many plugs S passes through the installation position of the injection pipe 10. Can be controlled to start,
Even if the interval between the many plugs S, S... In the transfer pipe 1 is not constant, the solidified material is not supplied to the air portions A, A.
The solidifying material can be reliably added to each of the plugs S.
【００１６】また、注入管１０による搬送管１内への固
化材の注入量を、多数のプラグＳ、Ｓ…の夫々の重量に
比例させるように制御することができ、これによって、
多数のプラグＳ、Ｓ…の夫々の重量が異なっていても、
プラグＳ、Ｓ…の夫々に固化材を一定比率（濃度）で添
加することができる。なお、注入管１０からの固化材の
注入速度を、プラグＳの後端が注入管１０の設置位置を
通過する際に注入が終了するように調整しておくことに
よって、プラグＳが長い場合でも、プラグＳの先端から
後端まで固化材を偏らずに均等に添加することができ
る。Further, the amount of the solidified material injected into the transfer tube 1 by the injection tube 10 can be controlled so as to be proportional to the weight of each of the large number of plugs S.
Even if the weight of each of the many plugs S, S ... is different,
A solidifying material can be added to each of the plugs S, S at a fixed ratio (concentration). In addition, even if the plug S is long, the injection speed of the solidified material from the injection pipe 10 is adjusted so that the injection ends when the rear end of the plug S passes through the installation position of the injection pipe 10. The solidified material can be uniformly added from the front end to the rear end of the plug S without bias.
【００１７】なお、注入管１０は、図９に示すように、
搬送管１と比較して小径の直線形に形成されており、搬
送管１の内側空間を直径方向に横切るように固定されて
いる。そして、注入管１０の外周部分には、多数の吐出
孔１０ａ、１０ａ…が、長手方向に並列して両側面又は
後面に穿設されており、各吐出孔１０ａから固化材が吐
出するようになっている。The injection tube 10 is, as shown in FIG.
It is formed in a linear shape with a smaller diameter than the transport pipe 1 and is fixed so as to cross the inner space of the transport pipe 1 in the diametric direction. A large number of discharge holes 10a, 10a,... Are formed in the outer peripheral portion of the injection pipe 10 in parallel in the longitudinal direction on both side surfaces or the rear surface so that the solidified material is discharged from each discharge hole 10a. Has become.
【００１８】従って、搬送管１内を流動するプラグＳ
（土砂）は注入管１０により分割され、分割されたプラ
グＳの間に吐出口１０ａ、１０ａ…から固化材が広範囲
に添加されるので、土砂（プラグＳ）が高粘性の場合や
搬送管１が大口径の場合でも、偏らずに固化材を土砂に
添加することができ、下流での比較的簡易な装置での攪
拌により土砂と固化材とを十分に混合することができ
る。Therefore, the plug S flowing in the transport pipe 1
(Sediment) is divided by the injection pipe 10, and the solidified material is widely added from the discharge ports 10a, 10a,... Between the divided plugs S. Even when the diameter is large, the solidified material can be added to the earth and sand without bias, and the earth and sand and the solidified material can be sufficiently mixed by stirring with a relatively simple device downstream.
【００１９】図３、４は、本発明の第２実施形態であっ
て、搬送管１内の流速が変動するなど予め判明しておら
ず、２つの振動等検出器２１、２２を用いて固化材の注
入時期を判定する場合を示している。なお、第１実施形
態と同様の部分については、説明を省略し、同一符号を
使用する。FIGS. 3 and 4 show a second embodiment of the present invention, in which the flow velocity in the transport pipe 1 is not known in advance, such as fluctuations, and is solidified by using two vibration and other detectors 21 and 22. FIG. The case where the injection time of the material is determined is shown. The description of the same parts as in the first embodiment is omitted, and the same reference numerals are used.
【００２０】図３に示すように、搬送管１には、注入管
１０よりも上流の位置に、２つの振動等検出器２１、２
２が、上流側と下流側とに所定間隔ｅで設置されてお
り、それぞれ、その設置位置の搬送管１の振動等を検出
するようになっている。そして、検出結果は、制御用コ
ンピューター２０に、信号線２３を介して即座に伝達さ
れ、記録される。As shown in FIG. 3, two detectors 21 and 2 for vibration and the like are provided in the transport pipe 1 at a position upstream of the injection pipe 10.
2 are installed at a predetermined interval e between the upstream side and the downstream side, and each of them is configured to detect a vibration or the like of the transport pipe 1 at the installation position. Then, the detection result is immediately transmitted to the control computer 20 via the signal line 23 and recorded.
【００２１】制御用コンピューター２０は、各プラグＳ
が２つの振動等検出器２１、２２を通過する際に振動等
検出器２１、２２により検出される振動等の検出時刻の
差に基づいて、各プラグＳの流速を算出し、更に、各プ
ラグＳが注入管１０の設置位置を通過する時刻を算出し
て、多数のプラグＳ、Ｓ…の夫々の先端が注入管１０の
設置位置を通過する際に搬送管１内への固化材の注入を
開始するように、注入管１０による固化材の注入時期を
制御する。The control computer 20 is connected to each plug S
The flow rate of each plug S is calculated based on the difference between the detection times of the vibrations and the like detected by the vibration etc. detectors 21 and 22 when passing through the two vibration etc. detectors 21 and 22. The time at which S passes through the installation position of the injection pipe 10 is calculated, and the solidified material is injected into the transfer pipe 1 when each of the many plugs S, S. Is started, the injection timing of the solidified material by the injection pipe 10 is controlled.
【００２２】即ち、図４に示すように、プラグＳの先端
が振動等検出器２１の設置位置を通過する時刻ｔ1 に、
振動等検出器２１の振動等のレベルが上昇し、同一のプ
ラグＳが下流側の振動等検出器２２の設置位置を通過す
る時刻ｔ2 に、振動等検出器２２の振動等のレベルが上
昇する。従って、振動等検出器２１、２２の設置間隔ｅ
を考慮して、振動等検出器２１、２２の検出時刻差ｔE
（ｔE ＝ｔ2 −ｔ1 ）に基づいて、各プラグＳの流速ｖ
（ｖ＝ｅ／ｔE ）を算出することができ、上述のよう
に、固化材の注入時期を制御することができる。That is, as shown in FIG. 4, at the time t 1 when the tip of the plug S passes through the installation position of the vibration etc. detector 21,
And the level of vibration is increased such as vibration detectors 21 at time t 2 in which the same plug S passes the installation position of the vibration detector 22 on the downstream side, increase the level of vibration of the vibration detector 22 I do. Therefore, the installation interval e of the vibration etc. detectors 21 and 22 is e.
, The detection time difference t E between the vibration etc. detectors 21 and 22
Based on (t E = t 2 −t 1 ), the flow velocity v of each plug S
(V = e / t E ) can be calculated, and the injection timing of the solidified material can be controlled as described above.
【００２３】なお、２つの振動等検出器２１、２２の検
出結果は、その振動等のレベル又は波形を比較すること
によって、それぞれ、どのプラグＳに関するものかを判
別することができ、同一のプラグＳに関する検出結果を
対応させることができる。また、２つの振動等検出器２
１、２２の間に１つ（又は少数）のプラグＳしか存在し
ないように、振動等検出器２１、２２の設置間隔ｅをプ
ラグＳ、Ｓ…の間隔に比較して小さくすれば（例えば、
プラグＳ、Ｓ…の間隔が大きくなる搬送管１の出口寄に
設置するなど）、同一のプラグＳに関する検出結果を容
易に対応させることができる。The detection results of the two vibration and other detectors 21 and 22 can be determined by comparing the level or waveform of the vibration or the like with respect to each plug S, and the same plug can be determined. The detection result regarding S can be made to correspond. In addition, two vibration detectors 2
If the installation interval e of the vibration etc. detectors 21 and 22 is made smaller than the interval between the plugs S, S... So that only one (or a small number) of plugs S exist between 1 and 22 (for example,
(E.g., installed near the exit of the transport pipe 1 where the interval between the plugs S, S... Becomes large), and the detection results for the same plug S can be easily associated.
【００２４】図５、６は、本発明の第３実施形態であっ
て、２つの振動等検出器２１、２２により固化材の注入
時期を判定し、１つの圧力計２６により固化材の注入量
を判定する場合を示している。なお、第１、第２実施形
態と同様の部分については、説明を省略し、同一符号を
使用する。FIGS. 5 and 6 show a third embodiment of the present invention, in which the injection timing of the solidified material is determined by two vibration etc. detectors 21 and 22, and the injection amount of the solidified material is measured by one pressure gauge 26. FIG. Is determined. The description of the same parts as in the first and second embodiments is omitted, and the same reference numerals are used.
【００２５】図５に示すように、搬送管１には、注入管
１０よりも上流で、振動等検出器２１、２２よりも下流
の位置に、圧力計２６が設置されており、その設置位置
の搬送管１内の圧力を計測するようになっている。そし
て、計測結果は、制御用コンピューター２０に、信号線
２３を介して即座に伝達され、記録される。As shown in FIG. 5, a pressure gauge 26 is installed in the transport pipe 1 at a position upstream of the injection pipe 10 and downstream of the vibration detectors 21 and 22. The pressure in the transfer pipe 1 is measured. The measurement result is immediately transmitted to the control computer 20 via the signal line 23 and recorded.
【００２６】制御用コンピューター２０は、各プラグＳ
が振動等検出器２１、２２の設置位置を通過する際に振
動等検出器２１、２２により検出される振動等に基づい
て、各プラグＳが圧力計２６の設置位置を通過する概略
時期を判定し、各プラグＳが圧力計２６の設置位置を通
過する際に圧力計２６により検出される圧力のピーク値
に基づいて、各プラグＳの重量（又は体積、長さ）を算
出し、多数のプラグＳ、Ｓ…の夫々の重量（又は体積、
長さ）に比例した量の固化材を注入するように、注入管
１０による固化材の注入量（又は注入時間（注入速度が
一定の場合））を制御する。The control computer 20 is connected to each plug S
The approximate time when each plug S passes through the installation position of the pressure gauge 26 is determined based on the vibration detected by the vibration etc. detectors 21 and 22 when it passes through the installation position of the vibration etc. detectors 21 and 22. Then, based on the peak value of the pressure detected by the pressure gauge 26 when each plug S passes through the installation position of the pressure gauge 26, the weight (or volume, length) of each plug S is calculated, Each weight (or volume,
The injection amount (or injection time (when the injection speed is constant)) of the solidification material is controlled by the injection tube 10 so as to inject the solidification material in an amount proportional to the length).
【００２７】即ち、搬送管１内をプラグＳが通過する際
には、その通過位置の搬送管１内の圧力が上昇すること
が、実験により確認されており、図６に示すように、プ
ラグＳが圧力計２６の設置位置を通過する際に、プラグ
Ｓの重量に略比例したピーク値ｐが圧力計２６で検出さ
れる。従って、圧力計２６のピーク値ｐに基づいて、プ
ラグＳの重量ｗ（ｗ＝ａｐ＋ｂ（ａ、ｂは定数））を算
出することができ、上述のように、固化材の注入量を制
御することができる。That is, it has been confirmed by experiments that when the plug S passes through the transport pipe 1, the pressure inside the transport pipe 1 at the passing position increases, and as shown in FIG. When S passes through the installation position of the pressure gauge 26, a peak value p substantially proportional to the weight of the plug S is detected by the pressure gauge 26. Therefore, the weight w (w = ap + b (a and b are constants)) of the plug S can be calculated based on the peak value p of the pressure gauge 26, and the injection amount of the solidified material is controlled as described above. be able to.
【００２８】なお、搬送管１の上流寄に圧力計２６を設
置すると、圧力計２６の検出結果は、その設置位置を既
に通過した（設置位置よりも下流側に存在する）プラグ
Ｓ、Ｓ…によっても影響され（摩擦抵抗、放出抵抗等に
起因する）、プラグＳが通過中でなくても圧力変動が検
出されるため、圧力計２６のみでは検出結果と各プラグ
Ｓとを対応させることが困難な場合がある。しかし、振
動等検出器２１、２２の検出結果は、そのような影響を
殆ど受けないので、振動等検出器２１、２２の検出結果
に基づいて、各プラグＳが圧力計２６の設置位置を通過
する概略時期を判定することによって、圧力計２６の検
出結果を各プラグＳと好適に対応させることができる。When the pressure gauge 26 is installed upstream of the transport pipe 1, the detection result of the pressure gauge 26 indicates that the plugs S, S,... That have already passed through the installation position (are present downstream from the installation position). (Due to frictional resistance, release resistance, and the like), and pressure fluctuations are detected even when the plug S is not passing. Therefore, the pressure gauge 26 alone can make the detection result correspond to each plug S. It can be difficult. However, since the detection results of the vibration etc. detectors 21 and 22 are hardly affected by such influence, each plug S passes through the installation position of the pressure gauge 26 based on the detection results of the vibration etc. detectors 21 and 22. By determining the approximate time to perform, the detection result of the pressure gauge 26 can be suitably associated with each plug S.
【００２９】図７、８は、本発明の第４実施形態であっ
て、１つの振動等検出器２１により補助しつつ、２つの
圧力計２６、２７により固化材の注入時期、注入量を判
定する場合を示している。なお、第１、第２、第３実施
形態と同様の部分については、説明を省略し、同一符号
を使用する。FIGS. 7 and 8 show a fourth embodiment of the present invention, in which the injection timing and the injection amount of the solidified material are determined by two pressure gauges 26 and 27 while assisting by one vibration or the like detector 21. Is shown. The description of the same parts as in the first, second, and third embodiments is omitted, and the same reference numerals are used.
【００３０】図７に示すように、搬送管１には、注入管
１０よりも上流の位置に、２つの圧力計２６、２７が、
上流側と下流側とに所定間隔ｅで設置され、それぞれ、
その設置位置の搬送管１内の圧力を計測するようになっ
ている。また、圧力計２６、２７より上流の位置に、振
動等検出器２１が設置され、その設置位置の搬送管１の
振動等を検出するようになっている。そして、検出結果
は、制御用コンピューター２０に、信号線２３を介して
即座に伝達され、記録される。As shown in FIG. 7, two pressure gauges 26 and 27 are provided on the transport pipe 1 at a position upstream of the injection pipe 10.
Installed at a predetermined interval e on the upstream side and the downstream side,
The pressure in the transfer pipe 1 at the installation position is measured. Further, a vibration and the like detector 21 is installed at a position upstream of the pressure gauges 26 and 27, and detects a vibration and the like of the transport pipe 1 at the installation position. Then, the detection result is immediately transmitted to the control computer 20 via the signal line 23 and recorded.
【００３１】制御用コンピューター２０は、各プラグＳ
が振動等検出器２１の設置位置を通過する際に振動等検
出器２１により検出される振動等に基づいて、各プラグ
Ｓが圧力計２６、２７の設置位置を通過する概略時期を
判定し、各プラグＳが２つの圧力計２６、２７の設置位
置を通過する際に圧力計２６、２７により検出される圧
力のピーク値の検出時刻差に基づいて、各プラグＳの流
速を算出し、各プラグＳが注入管１０の設置位置を通過
する時刻を算出して、多数のプラグＳ、Ｓ…の夫々の先
端が注入管１０の設置位置を通過する際に搬送管１内へ
の固化材の注入を開始するように、注入管１０による固
化材の注入時期を制御する。The control computer 20 is connected to each plug S
Based on the vibration or the like detected by the vibration etc. detector 21 when passing through the installation position of the vibration etc. detector 21, the approximate time when each plug S passes through the installation position of the pressure gauges 26, 27 is determined. The flow rate of each plug S is calculated based on the detection time difference of the peak value of the pressure detected by the pressure gauges 26 and 27 when each plug S passes through the installation position of the two pressure gauges 26 and 27, The time at which the plug S passes through the installation position of the injection pipe 10 is calculated, and when the respective tips of the many plugs S, S. The injection timing of the solidified material by the injection pipe 10 is controlled so as to start the injection.
【００３２】即ち、図８に示すように、プラグＳが圧力
計２６の設置位置を通過する際に、プラグＳの重量に略
比例したピーク値ｐが圧力計２６で検出され、その後、
同一のプラグＳが下流側の圧力計２７の設置位置を通過
する際に、ピーク値ｐが圧力計２７で検出される。従っ
て、圧力計２６、２７の設置間隔ｅを考慮して、圧力計
２６、２７のピーク値ｐの検出時刻差ｔE に基づいて、
各プラグＳの流速ｖ（ｖ＝ｅ／ｔE ）を算出することが
でき、更に、圧力計２６（又は２７）と注入管１０との
距離ｄを考慮して、各プラグＳが注入管１０の設置位置
を通過する時刻ｔ3 （ｔ3 ＝ｄ／ｖ＋ｔ0 ）を算出する
ことができ、上述のように、固化材の注入時期を制御す
ることができる。That is, as shown in FIG. 8, when the plug S passes the installation position of the pressure gauge 26, a peak value p substantially proportional to the weight of the plug S is detected by the pressure gauge 26.
When the same plug S passes through the installation position of the pressure gauge 27 on the downstream side, the peak value p is detected by the pressure gauge 27. Therefore, in consideration of the installation interval e of the pressure gauges 26 and 27, based on the detection time difference t E of the peak value p of the pressure gauges 26 and 27,
The flow velocity v (v = e / t E ) of each plug S can be calculated. Further, in consideration of the distance d between the pressure gauge 26 (or 27) and the injection pipe 10, each plug S is connected to the injection pipe 10. it is possible to calculate the time t 3 when passing through the installation position (t 3 = d / v + t 0), as described above, it is possible to control the injection timing of the solidifying material.
【００３３】なお、上述の実施の形態では、振動等検出
器により検出される振動等の検出時刻、検出時刻差、検
出持続時間（又は圧力計により検出される圧力のピーク
値、検出時刻、検出時刻差）から各プラグの重量、流速
等を算出して、注入管による固化材の注入時期、注入量
を判定する場合について述べたが、振動等の検出時刻、
検出時刻差、検出持続時間（又は圧力のピーク値、検出
時刻、検出時刻差）と固化材の注入時期、注入量との対
応関係を予め定めておけば、各プラグの重量、流速等は
必ずしも算出しなくてもよい。In the above-described embodiment, the detection time, the detection time difference, the detection duration time (or the peak value of the pressure detected by the pressure gauge, the detection time, The time, the weight of each plug, the flow rate, and the like are calculated from the time difference, and the injection time and the injection amount of the solidified material by the injection pipe are determined.
If the correspondence between the detection time difference, the detection duration (or the peak value of the pressure, the detection time, the detection time difference) and the injection time and injection amount of the solidified material is determined in advance, the weight, flow rate, etc. of each plug are not necessarily It is not necessary to calculate.
【００３４】また、上述の実施の形態では、搬送管内を
流動する被搬送物が土砂である場合について述べたが、
被搬送物は、空気部分を挾んで多数の塊状のプラグに分
断されて流動するものであれば、土砂以外のものでもよ
い。また、上述の実施の形態では、搬送管内に注入され
る添加材が固化材である場合について述べたが、添加材
は、固化材に限らず、粉体、液体等の流動性を有するも
のであればよい。In the above-described embodiment, the case where the conveyed object flowing in the conveying pipe is earth and sand has been described.
The object to be conveyed may be anything other than earth and sand as long as it is divided into a number of massive plugs across the air portion and flows. Further, in the above-described embodiment, the case where the additive injected into the transport pipe is a solidified material is described. However, the additive is not limited to the solidified material, and has a fluidity such as a powder or a liquid. I just need.
【００３５】[0035]
【発明の効果】本発明は、土砂等の被搬送物が空気部分
を挾んで多数の塊状のプラグに分断されて流動する搬送
管の途中の所定位置に、固化材等の添加物を搬送管内に
注入する添加材注入器を設置し、添加材注入器に対して
上流に、搬送管の振動等を検出する振動等検出器を設置
し、各プラグが振動等検出器の設置位置を通過する際に
振動等検出器により検出される振動等の検出時刻および
検出持続時間に基づいて、各プラグが添加材注入器の設
置位置を通過する際に各プラグに対応した量の添加材が
搬送管内に注入されるように、添加材注入器による添加
材の注入時期及び注入量を制御する注入制御部を設けた
ことによって、添加材を、空気部分ではなく各プラグ
（被搬送物）に確実に添加することができ、各プラグに
対して一定比率で添加することができる。According to the present invention, an additive such as a solidified material is transferred to a predetermined position in the middle of a transport pipe in which an object to be transported such as earth and sand is divided into a large number of plugs with an air portion therebetween. Is installed, and a detector for detecting vibration and the like of the conveying pipe is installed upstream of the additive injector, and each plug passes through the installation position of the detector for vibration and the like. When each plug passes through the installation position of the additive injector, the amount of additive corresponding to each plug is set in the transport pipe based on the detection time and duration of the vibration detected by the vibration detector. Injection control unit that controls the injection timing and amount of the additive by the additive injector so that the additive is injected into the plug, ensures that the additive is supplied not to the air portion but to each plug (transported object). Can be added at a fixed ratio to each plug. It can be.
【００３６】また、本発明は、土砂等の被搬送物が空気
部分を挾んで多数の塊状のプラグに分断されて流動する
搬送管の途中の所定位置に、固化材等の添加物を搬送管
内に注入する添加材注入器を設置し、添加材注入器に対
して上流に、搬送管の振動等を検出する振動等検出器と
搬送管内の圧力を計測する圧力計とを設置し、各プラグ
が振動等検出器の設置位置を通過する際に振動等検出器
により検出される振動等に基づいて、各プラグが圧力計
の設置位置を通過する概略時期を判定し、各プラグが振
動等検出器又は圧力計の設置位置を通過する際に振動等
検出器又は圧力計により検出される振動等又は圧力の検
出時刻に基づいて、各プラグが添加材注入器の設置位置
を通過する際に添加材が搬送管内に注入されるように、
かつ、各プラグが圧力計の設置位置を通過する際に圧力
計により検出される圧力のピーク値に基づいて、各プラ
グに対応した量の添加材が前記搬送管内に注入されるよ
うに、添加材注入器による添加材の注入時期及び注入量
を制御する注入制御部を設けたことによって、添加材
を、空気部分ではなく各プラグ（被搬送物）に確実に添
加することができ、各プラグに対して一定比率で添加す
ることができる。The present invention also provides a method for transporting an additive such as a solidified material into a predetermined position in a conveying pipe in which a conveyed substance such as earth and sand is divided into a large number of plugs across an air portion and flows. An additive injector for injecting into the carrier is installed, and a vibration detector for detecting the vibration of the transport pipe and a pressure gauge for measuring the pressure in the transport pipe are installed upstream of the additive injector. When the plug passes the installation position of the pressure detector, the approximate timing at which each plug passes the installation position of the pressure gauge is determined based on the vibration detected by the vibration detection device. Vibration, etc. when passing through the installation position of the pressure vessel or pressure gauge Based on the vibration, etc. detected by the detector or the pressure gauge, or the detection time of pressure, each plug is added when passing through the installation position of the additive injector. So that the material is injected into the transport tube,
And, based on the peak value of the pressure detected by the pressure gauge when each plug passes the installation position of the pressure gauge, the amount of additive material corresponding to each plug is added so as to be injected into the transport pipe. By providing an injection control unit for controlling the injection timing and amount of the additive by the material injector, the additive can be reliably added to each plug (transported object) instead of the air portion. Can be added at a constant ratio.
【００３７】なお、複数の振動等検出器又は圧力計を上
流側と下流側とに所定間隔で設置し、注入制御部によ
り、振動等検出器又は圧力計により検出される振動等の
検出時刻差又は圧力のピーク値の検出時刻差に基づい
て、添加材の注入時期を制御することによって、搬送管
内の流速が変動する場合など、流速が判明していない場
合でも、添加材を各プラグに確実に添加することができ
る。A plurality of vibration detectors or pressure gauges are installed at predetermined intervals on the upstream side and the downstream side, and the injection control unit detects a time difference between vibrations detected by the vibration detectors or the pressure gauge. Or, by controlling the injection time of the additive based on the detection time difference of the peak value of the pressure, the additive can be reliably inserted into each plug even when the flow velocity is unknown, such as when the flow velocity in the transport pipe fluctuates. Can be added.
【図１】 本発明の第１実施形態を示す概略図である。FIG. 1 is a schematic diagram showing a first embodiment of the present invention.
【図２】 図１中の振動等検出器により検出される搬送
管の振動等の時間変化を示すグラフである。FIG. 2 is a graph showing a time change such as a vibration of a transfer pipe detected by a vibration detector in FIG. 1;
【図３】 本発明の第２実施形態を示す概略図である。FIG. 3 is a schematic diagram showing a second embodiment of the present invention.
【図４】 図３中の振動等検出器により検出される搬送
管の振動等の時間変化を示すグラフである。4 is a graph showing a time change such as a vibration of a transport pipe detected by a vibration detector in FIG. 3;
【図５】 本発明の第３実施形態を示す概略図である。FIG. 5 is a schematic view showing a third embodiment of the present invention.
【図６】 図５中の圧力計により検出される搬送管内の
圧力の時間変化を示すグラフである。6 is a graph showing a time change of a pressure in a transport pipe detected by a pressure gauge in FIG. 5;
【図７】 本発明の第４実施形態を示す概略図である。FIG. 7 is a schematic diagram showing a fourth embodiment of the present invention.
【図８】 図７中の圧力計により検出される搬送管内の
圧力の時間変化を示すグラフである。8 is a graph showing a time change of the pressure in the transport pipe detected by the pressure gauge in FIG. 7;
【図９】 図１、３、５、７中の搬送管の注入管付近の
横断面図である。FIG. 9 is a cross-sectional view of the vicinity of the injection pipe of the transfer pipe in FIGS. 1, 3, 5, and 7;
【図１０】 土砂が圧縮空気を介して流動する搬送管内
の状態を示す縦断面図である。FIG. 10 is a longitudinal sectional view showing a state in a transport pipe in which earth and sand flow via compressed air.
１ 搬送管 １０ 注入管（添加材注入器） １０ａ 吐出孔 １１ 供給装置 ２０ 制御用コンピューター（注入制御部） ２１、２２ 振動等検出器 ２３ 信号線 ２６、２７ 圧力計 Ａ 空気部分（圧縮空気） Ｓ プラグ（土砂（被搬送物）） ｄ 振動等検出器（又は圧力計）と注入管との距離 ｅ 振動等検出器（又は圧力計）の設置間隔 ｐ ピーク値 ｔ1 、ｔ2 検出時刻 ｔE 検出時刻差 ｔH 検出持続時間DESCRIPTION OF SYMBOLS 1 Conveyance pipe 10 Injection pipe (additional material injector) 10a Discharge hole 11 Supply device 20 Control computer (injection control part) 21, 22 Vibration etc. detector 23 Signal line 26, 27 Pressure gauge A Air part (compressed air) S plug (sediment (conveyed object)) d vibration detector (or pressure gauge) installation interval p peak value t 1 and the distance between the injection tube e vibration detector (or pressure gauge), t 2 detection time t E Detection time difference t H detection duration
Claims (3)
の塊状のプラグに分断されて流動する搬送管の途中の所
定位置に、固化材等の添加物を前記搬送管内に注入する
添加材注入器が設置され、前記添加材注入器に対して上
流に、前記搬送管の振動等を検出する振動等検出器が設
置され、前記各プラグが前記振動等検出器の設置位置を
通過する際に前記振動等検出器により検出される振動等
の検出時刻および検出持続時間に基づいて、前記各プラ
グが前記添加材注入器の設置位置を通過する際に前記各
プラグに対応した量の前記添加材が前記搬送管内に注入
されるように、前記添加材注入器による前記添加材の注
入時期及び注入量を制御する注入制御部が設けられた添
加材注入設備。An additive, such as a solidifying material, is injected into a predetermined position in the middle of a transport pipe in which an object to be transported, such as earth and sand, is divided into a large number of plugs across an air portion and flows. An additive injector is installed, and a vibration detector for detecting the vibration and the like of the transport pipe is installed upstream of the additive injector, and each plug passes through an installation position of the vibration detector. When the respective plugs pass the installation position of the additive injector based on the detection time and the detection duration of the vibration or the like detected by the vibration etc. Additive injection equipment provided with an injection control unit for controlling the injection timing and amount of the additive by the additive injector so that the additive is injected into the transport pipe.
の塊状のプラグに分断されて流動する搬送管の途中の所
定位置に、固化材等の添加物を前記搬送管内に注入する
添加材注入器が設置され、前記添加材注入器に対して上
流に、前記搬送管の振動等を検出する振動等検出器と前
記搬送管内の圧力を計測する圧力計とが設置され、前記
各プラグが前記振動等検出器の設置位置を通過する際に
前記振動等検出器により検出される振動等に基づいて、
前記各プラグが前記圧力計の設置位置を通過する概略時
期を判定し、前記各プラグが前記振動等検出器又は前記
圧力計の設置位置を通過する際に前記振動等検出器又は
前記圧力計により検出される振動等又は圧力の検出時刻
に基づいて、前記各プラグが前記添加材注入器の設置位
置を通過する際に前記添加材が前記搬送管内に注入され
るように、かつ、前記各プラグが前記圧力計の設置位置
を通過する際に前記圧力計により検出される圧力のピー
ク値に基づいて、前記各プラグに対応した量の前記添加
材が前記搬送管内に注入されるように、前記添加材注入
器による前記添加材の注入時期及び注入量を制御する注
入制御部が設けられた添加材注入設備。2. An additive, such as a solidifying material, is injected into the transport pipe at a predetermined position in the transport pipe in which an object to be transported such as earth and sand is divided into a number of massive plugs across the air portion and flows. An additive injector is installed, upstream of the additive injector, a vibration detector and the like for detecting vibration and the like of the transport pipe and a pressure gauge for measuring pressure in the transport pipe are installed, Based on the vibration or the like detected by the vibration or the like detector when the plug passes through the installation position of the vibration or the like detector,
The approximate time when each plug passes the installation position of the pressure gauge is determined, and when each plug passes the installation position of the vibration etc. or the pressure gauge, the vibration etc. detector or the pressure gauge Based on the detected vibration or the like or the detection time of the pressure, so that the additive is injected into the transport pipe when the plug passes through the installation position of the additive injector, and Based on the peak value of the pressure detected by the pressure gauge when passing through the installation position of the pressure gauge, so that an amount of the additive corresponding to each plug is injected into the transfer pipe, Additive material injection equipment provided with an injection control unit for controlling the timing and amount of the additive material injected by the additive material injector.
下流側とに所定間隔で設置され、注入制御部は、前記振
動等検出器又は前記圧力計により検出される振動等の検
出時刻差又は圧力のピーク値の検出時刻差に基づいて、
添加材の注入時期を制御する請求項１又は２に記載の添
加材注入設備。3. A plurality of vibration detectors or pressure gauges are installed at predetermined intervals on an upstream side and a downstream side, and an injection control unit detects the vibration or the like detected by the vibration detector or the pressure gauge. Based on the time difference or the detection time difference of the peak value of the pressure,
3. The additive injection system according to claim 1, wherein the injection timing of the additive is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6996598A JPH11262654A (en) | 1998-03-19 | 1998-03-19 | Additive injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6996598A JPH11262654A (en) | 1998-03-19 | 1998-03-19 | Additive injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11262654A true JPH11262654A (en) | 1999-09-28 |
Family
ID=13417886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6996598A Pending JPH11262654A (en) | 1998-03-19 | 1998-03-19 | Additive injection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11262654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009219947A (en) * | 2008-03-13 | 2009-10-01 | Wako Pure Chem Ind Ltd | Flow reactor apparatus and method |
-
1998
- 1998-03-19 JP JP6996598A patent/JPH11262654A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009219947A (en) * | 2008-03-13 | 2009-10-01 | Wako Pure Chem Ind Ltd | Flow reactor apparatus and method |
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