JPH06135552A - Vaccum conveyor system - Google Patents
Vaccum conveyor systemInfo
- Publication number
- JPH06135552A JPH06135552A JP28719792A JP28719792A JPH06135552A JP H06135552 A JPH06135552 A JP H06135552A JP 28719792 A JP28719792 A JP 28719792A JP 28719792 A JP28719792 A JP 28719792A JP H06135552 A JPH06135552 A JP H06135552A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- pressure sensor
- vertical
- pressure
- branch pipe
- 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.)
- Granted
Links
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、超高層ホテル等におい
て、ごみ、廃棄物等の被搬送物を搬送させるための真空
搬送装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum transfer device for transferring an object to be conveyed such as dust and waste in a high-rise hotel or the like.
【０００２】[0002]
【従来の技術】従来のこの種の真空搬送装置を図４によ
り説明すると、被搬送物を搬送させるための垂直搬送管
１の上部には、水平搬送管２が接続され、被搬送物を投
入するための吸引部３が設けられ、垂直搬送管１の下部
には、空気と被搬送物を分離するための分離装置４が設
けられ、この分離装置４に真空装置５が接続されてい
る。そして、真空装置５を作動させると、吸引部３に投
入された被搬送物は、水平搬送管２、垂直搬送管１内を
空気流と重力の作用により下降し、分離装置４を経て外
部に排出される。2. Description of the Related Art A conventional vacuum transfer apparatus of this type will be described with reference to FIG. 4, in which a horizontal transfer tube 2 is connected to an upper portion of a vertical transfer tube 1 for transferring an object to be transferred. A suction unit 3 for performing the operation is provided, and a separating device 4 for separating air and an object to be conveyed is provided below the vertical conveying pipe 1, and a vacuum device 5 is connected to the separating device 4. Then, when the vacuum device 5 is operated, the transported object introduced into the suction unit 3 descends in the horizontal transport pipe 2 and the vertical transport pipe 1 by the action of the air flow and gravity, and then passes through the separation device 4 to the outside. Is discharged.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記真空搬
送装置においては、水平搬送管２、垂直搬送管１内を被
搬送物が閉塞することなく搬送させるためには、一般に
２５ｍ／ｓｅｃ内外の管内流速が必要であり、垂直搬送
管１内では、被搬送物には管内流速に加えて重力加速度
が加わり、高速で落下する。このため、垂直搬送管１の
最下部での落下音、衝撃が大きいという問題を有し、ま
た、最下部での管路の破損が生じたり、管内の摩耗を早
めるという問題を有している。By the way, in the above vacuum transfer apparatus, in order to transfer the object to be transferred in the horizontal transfer tube 2 and the vertical transfer tube 1 without being blocked, the inside of the tube is generally 25 m / sec or more. A flow velocity is required, and in the vertical transport pipe 1, the object to be transported falls at a high speed due to the gravitational acceleration in addition to the flow velocity in the pipe. Therefore, there is a problem that the falling noise and impact are great at the lowermost part of the vertical conveying pipe 1, and also there is a problem that the pipe line is broken at the lowermost part and the wear in the pipe is accelerated. .
【０００４】本発明は、上記問題を解決するものであっ
て、垂直搬送管の最下部での落下音、衝撃を小さくする
とともに、最下部での管路の破損および管内の摩耗を防
止することができる真空搬送装置を提供することを目的
とする。The present invention is intended to solve the above-mentioned problems, and to reduce the drop noise and impact at the lowermost portion of the vertical conveying pipe, and to prevent damage to the pipe line and abrasion inside the pipe at the lowermost portion. An object of the present invention is to provide a vacuum transfer device capable of performing the above.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明の真空搬送装置は、被搬送物を搬送させるた
めの垂直搬送管１と、該垂直搬送管１の上部に水平搬送
管２を介して接続される吸引部３と、前記垂直搬送管１
の下部に設けられる分離装置４および真空装置５とを有
する真空搬送装置において、前記垂直搬送管１の上部に
おいて水平搬送管２から分岐して接続される分岐管６
と、該分岐管６に設けられる吸引ファン７および上部圧
力センサ１１と、前記垂直搬送管１の下部に大気に接続
される分岐管８と、該分岐管８に設けられる調圧弁９お
よび下部圧力センサ１２とを備え、前記吸引ファン７は
上部圧力センサ１１の圧力が所定値に維持されるように
制御されるとともに、前記調圧弁９は上部圧力センサ１
１と下部圧力センサ１２との差圧が設定値となるように
制御されることを特徴とする。なお、被搬送物の比重が
小さい場合には、垂直搬送管１内に下降気流を生じさ
せ、被搬送物の比重が大きい場合には、垂直搬送管１内
に上昇気流を生じさせるように前記差圧を設定する。な
お、上記構成に付加した番号は、図面と対比させるもの
であり、これにより本発明の構成が何ら限定されるもの
ではない。In order to achieve the above object, a vacuum transfer apparatus according to the present invention comprises a vertical transfer pipe 1 for transferring an object to be transferred, and a horizontal transfer pipe 1 above the vertical transfer pipe 1. The vertical transfer pipe 1 and the suction unit 3 connected via 2
In a vacuum transfer device having a separating device 4 and a vacuum device 5 provided in the lower part of a vertical transfer pipe 1, a branch pipe 6 branched and connected from a horizontal transfer pipe 2 above the vertical transfer pipe 1.
A suction fan 7 and an upper pressure sensor 11 provided in the branch pipe 6, a branch pipe 8 connected to the atmosphere below the vertical carrier pipe 1, a pressure regulating valve 9 provided in the branch pipe 8 and a lower pressure. The suction fan 7 is controlled so that the pressure of the upper pressure sensor 11 is maintained at a predetermined value, and the pressure regulating valve 9 is connected to the upper pressure sensor 1.
The pressure difference between the pressure sensor 1 and the lower pressure sensor 12 is controlled to be a set value. It should be noted that when the specific gravity of the transported object is small, a downward airflow is generated in the vertical transport pipe 1, and when the specific gravity of the transported object is high, an upward airflow is generated in the vertical transport pipe 1. Set the differential pressure. It should be noted that the numbers added to the above configurations are for comparison with the drawings, and the configurations of the present invention are not limited thereby.
【０００６】[0006]
【作用】本発明においては、吸引ファン７は、吸引部３
から垂直搬送管１までの水平搬送管２内で、被搬送物が
閉塞を生じないように、上部圧力センサ１１の値Ｐ1 を
所定値に維持するように制御する。被搬送物の比重が小
さい場合には、調圧弁９は、下部圧力センサ１２の値Ｐ
2 が上部圧力センサ１１の値Ｐ1 より過度に低い圧力と
ならないように制御され、垂直搬送管１内を上部圧力セ
ンサ１１と下部圧力センサ１２との差圧および重力によ
り、適度な速度で下部に搬送される。被搬送物の比重が
大きい場合には、垂直搬送管１を通る被搬送物の落下を
阻害しない範囲で、垂直搬送管１内に適度な上昇気流を
発生させるように、調圧弁９は、下部圧力センサ１２の
値Ｐ2 が上部圧力センサ１１の値Ｐ1 より適度に高い圧
力となるように制御され、垂直搬送管１内の被搬送物
は、上部圧力センサ１１と下部圧力センサ１２との差圧
および重力により、過度に落下加速することなく適度な
速度で下部に搬送される。In the present invention, the suction fan 7 includes the suction portion 3
In the horizontal transport pipe 2 from the vertical transport pipe 1 to the vertical transport pipe 1, the value P 1 of the upper pressure sensor 11 is controlled to be maintained at a predetermined value so that the transported object is not blocked. When the specific gravity of the conveyed object is small, the pressure regulating valve 9 controls the value P of the lower pressure sensor 12.
2 is controlled so as not to be an excessively lower pressure than the value P 1 of the upper pressure sensor 11, and the vertical pressure in the vertical conveying pipe 1 is lowered at an appropriate speed by the pressure difference between the upper pressure sensor 11 and the lower pressure sensor 12 and gravity. Be transported to. When the specific gravity of the transported object is large, the pressure regulating valve 9 is at the bottom so as to generate an appropriate updraft in the vertical transport tube 1 within a range that does not hinder the fall of the transported object passing through the vertical transport tube 1. The value P 2 of the pressure sensor 12 is controlled so as to be a pressure that is appropriately higher than the value P 1 of the upper pressure sensor 11, and the object to be conveyed in the vertical conveying pipe 1 is divided into the upper pressure sensor 11 and the lower pressure sensor 12. Due to the differential pressure and gravity, it is conveyed to the lower portion at a moderate speed without excessively accelerating the fall.
【０００７】[0007]
【実施例】以下、本発明の実施例を図面を参照しつつ説
明する。図１は本発明の真空搬送装置の１実施例を示す
構成図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a vacuum transfer device of the present invention.
【０００８】図１において、本発明の真空搬送装置は、
被搬送物を搬送させるための垂直搬送管１の上部には、
水平搬送管２が接続され、被搬送物を投入するための吸
引部３が設けられ、垂直搬送管１の下部には、空気と被
搬送物を分離するための分離装置４が設けられ、この分
離装置４に真空装置５が接続されている。In FIG. 1, the vacuum transfer device of the present invention is
At the upper part of the vertical transport pipe 1 for transporting the transported object,
A horizontal transport pipe 2 is connected, a suction unit 3 for introducing the transported object is provided, and a separating device 4 for separating air and the transported object is provided below the vertical transport pipe 1. A vacuum device 5 is connected to the separation device 4.
【０００９】垂直搬送管１の上部において水平搬送管２
から分岐する分岐管６を設け、該分岐管６に吸引ファン
７が配設されている。また、垂直搬送管１の下部には、
大気に開放される分岐管８が接続され、該分岐管８には
調圧弁９および吸引口１０が設けられている。そして、
分岐管６、８のそれぞれに上部圧力センサ１１および下
部圧力センサ１２が配設される。また、垂直搬送管１に
は、被搬送物の落下速度を検出する速度センサ１５が配
設される。この速度センサとしては、マイクロホン、光
電管、ドップラー流量計等の周知のセンサが用いられ
る。A horizontal transport pipe 2 is provided above the vertical transport pipe 1.
A branch pipe 6 branching from is provided, and a suction fan 7 is arranged in the branch pipe 6. Also, in the lower part of the vertical transport pipe 1,
A branch pipe 8 that is open to the atmosphere is connected, and a pressure regulating valve 9 and a suction port 10 are provided in the branch pipe 8. And
An upper pressure sensor 11 and a lower pressure sensor 12 are provided in each of the branch pipes 6 and 8. Further, the vertical transport pipe 1 is provided with a velocity sensor 15 for detecting the falling velocity of the transported object. A known sensor such as a microphone, a photoelectric tube, a Doppler flow meter, or the like is used as the speed sensor.
【００１０】図２は本発明における制御系の構成図を示
し、上部圧力センサ１１、下部圧力センサ１２および速
度センサ１５の信号は、制御装置１３に入力され、ここ
で予め記憶されている設定値と比較、演算、処理され、
真空装置５、吸引ファン７および調圧弁９に制御信号が
出力される。FIG. 2 is a block diagram of the control system according to the present invention, in which the signals of the upper pressure sensor 11, the lower pressure sensor 12 and the speed sensor 15 are input to the control device 13 and set values stored in advance here. Is compared, calculated, processed,
Control signals are output to the vacuum device 5, the suction fan 7, and the pressure regulating valve 9.
【００１１】図３は本発明における制御フローを示し、
図１とともに上記構成からなる本発明の作用について説
明する。図１（Ａ）は被搬送物の比重が小さく落下速度
が小さい場合の制御を示し、図１（Ｂ）は、被搬送物の
比重が大きく落下時に加速しやすい場合の制御を示して
いる。図中、実線矢印は気流の方向、実線矢印は被搬送
物の方向を示している。FIG. 3 shows a control flow in the present invention.
The operation of the present invention having the above configuration will be described with reference to FIG. FIG. 1A shows the control when the specific gravity of the transported object is small and the dropping speed is low, and FIG. 1B shows the control when the specific gravity of the transported object is large and acceleration is easily performed when falling. In the figure, the solid arrow indicates the direction of the air flow, and the solid arrow indicates the direction of the transported object.
【００１２】被搬送物の搬送時には、真空装置５および
吸引ファン７を同時に運転させ、上部圧力センサ１１の
値Ｐ1 、下部圧力センサ１２の値Ｐ2 および速度センサ
１５の値Ｖを読み込み、吸引ファン７は、吸引部３から
垂直搬送管１までの水平搬送管２内で、被搬送物が閉塞
を生じないように、上部圧力センサ１１の値Ｐ1 を所定
値（例えば０．８気圧）に維持するように制御される。
次に、速度センサ１５の値Ｖにより、上部圧力センサ１
１の値Ｐ1 と下部圧力センサ１２の値Ｐ2 との差圧を設
定し、この差圧により調圧弁９を制御する。[0012] during transport of the object to be conveyed simultaneously to operate the vacuum device 5 and the suction fan 7, the value P 1 of the upper pressure sensor 11, reads the value V value P 2 and the speed sensor 15 of the lower pressure sensors 12, suction The fan 7 sets the value P 1 of the upper pressure sensor 11 to a predetermined value (for example, 0.8 atmospheric pressure) so that the transported object does not become blocked in the horizontal transport tube 2 from the suction section 3 to the vertical transport tube 1. Controlled to maintain.
Next, according to the value V of the speed sensor 15, the upper pressure sensor 1
The differential pressure between the value P 1 of 1 and the value P 2 of the lower pressure sensor 12 is set, and the pressure regulating valve 9 is controlled by this differential pressure.
【００１３】図１（Ａ）は、速度センサ１５の値Ｖが小
さく、被搬送物の比重が小さく落下速度が小さい場合の
制御を示し、調圧弁９は、下部圧力センサ１２の値Ｐ2
が上部圧力センサ１１の値Ｐ1 より過度に低い圧力（例
えば０．７気圧）とならないように制御される。過度に
低い圧力にすると被搬送物の落下速度が大きくなるから
である。吸引部３に投入された被搬送物は、吸引ファン
７の吸引により水平搬送管２内を搬送され、次で、垂直
搬送管１内を上部圧力センサ１１と下部圧力センサ１２
との差圧および重力により、適度な速度で下部に搬送さ
れ、垂直搬送管１の下部では、垂直搬送管１からの気流
に加えて調圧弁９からの気流により分離装置４に搬送さ
れ、被搬送物は分離装置４において空気と分離され外部
に排出される。FIG. 1A shows the control when the value V of the speed sensor 15 is small, the specific gravity of the conveyed object is small, and the falling speed is small, and the pressure regulating valve 9 has a value P 2 of the lower pressure sensor 12.
Is controlled so that the pressure does not become excessively lower than the value P 1 of the upper pressure sensor 11 (for example, 0.7 atm). This is because if the pressure is excessively low, the falling speed of the transported object increases. The object to be conveyed put into the suction unit 3 is conveyed in the horizontal conveyance pipe 2 by the suction of the suction fan 7, and then in the vertical conveyance pipe 1, the upper pressure sensor 11 and the lower pressure sensor 12 are conveyed.
Is conveyed to the lower portion at an appropriate speed by the differential pressure and gravity between and, and at the lower portion of the vertical conveying pipe 1, in addition to the airflow from the vertical conveying pipe 1, the airflow from the pressure regulating valve 9 is conveyed to the separating device 4, The conveyed product is separated from the air in the separating device 4 and discharged to the outside.
【００１４】図１（Ｂ）は、速度センサ１５の値Ｖが大
きく、被搬送物の比重が大きく落下時に加速しやすい場
合の制御を示し、垂直搬送管１を通る被搬送物の落下を
阻害しない範囲で、垂直搬送管１内に適度な上昇気流を
発生させるように、調圧弁９は、下部圧力センサ１２の
値Ｐ2 が上部圧力センサ１１の値Ｐ1 より適度に高い圧
力（例えば０．９気圧）となるように制御される。垂直
搬送管１内の被搬送物は、上部圧力センサ１１と下部圧
力センサ１２との差圧および重力により、過度に落下加
速することなく適度な速度で下部に搬送される。FIG. 1 (B) shows the control when the value V of the speed sensor 15 is large, the specific gravity of the conveyed object is large, and it is easy to accelerate when it falls, and it prevents the conveyed object from falling through the vertical conveying pipe 1. The pressure regulating valve 9 controls the pressure control valve 9 so that the value P 2 of the lower pressure sensor 12 is appropriately higher than the value P 1 of the upper pressure sensor 11 (for example, 0 The pressure is controlled to be 0.9 atmosphere). Due to the pressure difference between the upper pressure sensor 11 and the lower pressure sensor 12 and gravity, the object to be conveyed in the vertical conveyance pipe 1 is conveyed to the lower portion at an appropriate speed without excessively accelerating the fall.
【００１５】なお、本発明は上記実施例に限定されるも
のではなく、本発明の属する技術分野における通常の知
識を有する者にとって種々の変更が可能である。例え
ば、上記実施例においては、速度センサ１５により上部
圧力センサ１１の値Ｐ1 と下部圧力センサ１２の値Ｐ2
との差圧を設定するようにしているが、速度センサを用
いることなく、被搬送物の比重により手動で切り換える
ようにしてもよい。The present invention is not limited to the above embodiments, and various modifications can be made by those having ordinary knowledge in the technical field to which the present invention belongs. For example, in the above embodiment, values of P 1 and the lower pressure sensors 12 of the upper pressure sensor 11 by the speed sensor 15 P 2
Although the differential pressure between and is set, it may be manually switched depending on the specific gravity of the transported object without using the speed sensor.
【００１６】[0016]
【発明の効果】以上の説明から明らかなように本発明に
よれば、垂直搬送管の垂直部が長い場合、垂直搬送管内
に適度な上昇気流を生じるよう調圧弁を制御する結果、
垂直搬送管での被搬送物の速度が適度に抑えられるた
め、垂直搬送管の最下部での落下音、衝撃を小さくする
とともに、最下部での管路の破損および管内の摩耗を防
止することができる。As is apparent from the above description, according to the present invention, when the vertical portion of the vertical conveying pipe is long, as a result of controlling the pressure regulating valve so as to generate an appropriate updraft in the vertical conveying pipe,
Since the speed of the transported object in the vertical transport pipe is moderately suppressed, drop noise and impact at the bottom of the vertical transport pipe are reduced, and damage to the pipeline and wear inside the pipe is prevented at the bottom. You can
【図１】本発明の真空搬送装置の１実施例を示す構成図
であり、図１（Ａ）は被搬送物の比重が小さく落下速度
が小さい場合の制御を示し、図１（Ｂ）は、被搬送物の
比重が大きく落下時に加速しやすい場合の制御を示して
いる。FIG. 1 is a configuration diagram showing an embodiment of a vacuum transfer device of the present invention, FIG. 1 (A) shows control when a specific gravity of an object to be transferred is small and a falling speed is small, and FIG. , Shows the control when the specific gravity of the transported object is large and it is easy to accelerate when dropped.
【図２】本発明における制御系の構成図である。FIG. 2 is a configuration diagram of a control system in the present invention.
【図３】本発明における制御フローを示す図である。FIG. 3 is a diagram showing a control flow in the present invention.
【図４】従来の真空搬送装置の構成図である。FIG. 4 is a configuration diagram of a conventional vacuum transfer device.
１…垂直搬送管、２…水平搬送管、３…吸引部、４…分
離装置 ５…真空装置、６…分岐管、７…吸引ファン、８…分岐
管、９…調圧弁 １１…上部圧力センサ、１２…下部圧力センサ、１５…
速度センサDESCRIPTION OF SYMBOLS 1 ... Vertical conveyance pipe, 2 ... Horizontal conveyance pipe, 3 ... Suction part, 4 ... Separation device 5 ... Vacuum device, 6 ... Branch pipe, 7 ... Suction fan, 8 ... Branch pipe, 9 ... Pressure regulating valve 11 ... Upper pressure sensor , 12 ... Lower pressure sensor, 15 ...
Speed sensor
Claims (2)
と、該垂直搬送管の上部に水平搬送管を介して接続され
る吸引部と、前記垂直搬送管の下部に設けられる分離装
置および真空装置とを有する真空搬送装置において、前
記垂直搬送管の上部において水平搬送管から分岐して接
続される分岐管と、該分岐管に設けられる吸引ファンお
よび上部圧力センサと、前記垂直搬送管の下部に大気に
接続される分岐管と、該分岐管に設けられる調圧弁およ
び下部圧力センサとを備え、前記吸引ファンは上部圧力
センサの圧力が所定値に維持されるように制御されると
ともに、前記調圧弁は上部圧力センサと下部圧力センサ
との差圧が設定値となるように制御されることを特徴と
する真空搬送装置。1. A vertical transport pipe for transporting an object to be transported, a suction unit connected to an upper portion of the vertical transport pipe via a horizontal transport pipe, and a separating device provided under the vertical transport pipe. In a vacuum transfer device having a vacuum device, a branch pipe branched and connected from a horizontal transfer pipe at an upper portion of the vertical transfer pipe, a suction fan and an upper pressure sensor provided in the branch pipe, and a vertical transfer pipe of the vertical transfer pipe. A lower part is provided with a branch pipe connected to the atmosphere, a pressure regulating valve and a lower pressure sensor provided in the branch pipe, and the suction fan is controlled so that the pressure of the upper pressure sensor is maintained at a predetermined value. The vacuum transfer device, wherein the pressure regulating valve is controlled so that the pressure difference between the upper pressure sensor and the lower pressure sensor becomes a set value.
送管内に下降気流を生じさせ、被搬送物の比重が大きい
場合には、垂直搬送管内に上昇気流を生じさせるように
前記差圧を設定することを特徴とする請求項１に記載の
真空搬送装置。2. When the specific gravity of the conveyed object is small, a downward airflow is generated in the vertical conveying pipe, and when the specific gravity of the conveyed object is large, an upward airflow is generated in the vertical conveying pipe. The vacuum transfer device according to claim 1, wherein a pressure is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28719792A JP3235069B2 (en) | 1992-10-26 | 1992-10-26 | Vacuum transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28719792A JP3235069B2 (en) | 1992-10-26 | 1992-10-26 | Vacuum transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06135552A true JPH06135552A (en) | 1994-05-17 |
| JP3235069B2 JP3235069B2 (en) | 2001-12-04 |
Family
ID=17714329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28719792A Expired - Fee Related JP3235069B2 (en) | 1992-10-26 | 1992-10-26 | Vacuum transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3235069B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017124925A (en) * | 2016-01-15 | 2017-07-20 | 株式会社カルテックス | Powder supply device and powder supply mechanism |
| JP2020196601A (en) * | 2019-06-05 | 2020-12-10 | 宇部興産機械株式会社 | Gas conveyance apparatus |
-
1992
- 1992-10-26 JP JP28719792A patent/JP3235069B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017124925A (en) * | 2016-01-15 | 2017-07-20 | 株式会社カルテックス | Powder supply device and powder supply mechanism |
| JP2020196601A (en) * | 2019-06-05 | 2020-12-10 | 宇部興産機械株式会社 | Gas conveyance apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3235069B2 (en) | 2001-12-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |