JPH09268643A - Pipe inside washing method and pig for pipe inside washing - Google Patents
Pipe inside washing method and pig for pipe inside washingInfo
- Publication number
- JPH09268643A JPH09268643A JP8079698A JP7969896A JPH09268643A JP H09268643 A JPH09268643 A JP H09268643A JP 8079698 A JP8079698 A JP 8079698A JP 7969896 A JP7969896 A JP 7969896A JP H09268643 A JPH09268643 A JP H09268643A
- Authority
- JP
- Japan
- Prior art keywords
- pig
- gas
- pressure
- pipe
- diameter
- 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
Landscapes
- Sewage (AREA)
- Cleaning In General (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は管内洗管用ピグに関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe washing pipe pig.
【０００２】[0002]
【従来の技術】下水圧送管路の洗管には、ピグと呼ばれ
る砲弾型の発泡プラスチックの塊が使用されている。こ
のピグを使用した従来の管内洗管方法は、図２の（ａ）
に示すように下水圧送管路１の上流側Ａからピグ２を入
れて、このピグ２を下流側Ｂに向けて図２の（ｂ）に示
すように圧送する。2. Description of the Related Art A cannonball-shaped lump of foamed plastic called a pig is used for washing a sewer pipe. A conventional pipe washing method using this pig is shown in FIG.
As shown in FIG. 2, the pig 2 is inserted from the upstream side A of the sewage pumping line 1, and the pig 2 is pumped toward the downstream side B as shown in FIG.
【０００３】ピグ２はそれ自体の弾力性で下水圧送管路
１の内周面に圧接しながら水圧で圧送されるため、下水
圧送管路１の内周面に付着，沈殿したものが通過するピ
グ２で除去される。Since the pig 2 is pressed by the water pressure while being pressed against the inner peripheral surface of the sewage pressure feeding pipeline 1 due to its elasticity, what is attached and precipitated on the inner peripheral surface of the sewage pressure feeding pipeline 1 passes through. Removed with Pig 2.
【０００４】[0004]
【発明が解決しようとする課題】しかし、図２の（ｃ）
に示すように下水圧送管路１の径が途中で大きくなって
いる場合には、上流側区間Ｃは洗管できるけれども、下
流側区間Ｄは洗管できないのが現状である。However, FIG. 2 (c) shows the problem to be solved by the invention.
When the diameter of the sewage pumping line 1 is increased on the way as shown in (3), the upstream section C can be washed, but the downstream section D cannot be washed at present.
【０００５】本発明は管路の径が途中で大きくなってい
る場合であっても、上流側区間Ｃだけでなく下流側区間
Ｄも洗管することができる管内洗管方法と管内洗管用ピ
グを提供することを目的とする。According to the present invention, a pipe washing method and a pipe washing pig capable of washing not only the upstream section C but also the downstream section D even when the diameter of the pipeline becomes large on the way. The purpose is to provide.
【０００６】[0006]
【課題を解決するための手段】本発明の管内洗管方法
は、径が途中で拡大している管路をピグで洗管するに際
し、圧送途中のピグの内部圧を上昇させてピグを膨張さ
せ、拡大後の管路の内周にピグの外周を圧接させながら
ピグを圧送することを特徴とする。The pipe washing method according to the present invention expands the internal pressure of the pig during pumping by increasing the internal pressure of the pig during the pipe washing when the pipe having the enlarged diameter is washed by the pig. The pig is pressure-fed while the outer circumference of the pig is pressed against the inner circumference of the expanded pipeline.
【０００７】本発明の管内洗管用ピグは、内部の空間に
ガスが封入されそのガス圧で膨張するピグ本体と、ピグ
本体の前記空間に配設されてガス発生させるガス発生手
段とを設けたことを特徴とし、ガス発生手段によってガ
スを発生しない状態で管路を洗管し、管路の径が大きく
なった区間ではガス発生手段がガスを発生することでピ
グ本体の前記空間の内部圧が上昇してピグ本体が膨張
し、径が大きくなった区間でもピグ本体が管路の内周に
接触して圧送される。The pipe washing pipe pig of the present invention is provided with a pig main body which is filled with gas in the internal space and expands by the gas pressure, and a gas generating means which is disposed in the space of the pig main body and generates gas. It is characterized in that the pipe is washed in a state where the gas is not generated by the gas generating means, and the gas generating means generates gas in a section where the diameter of the pipe is large, so that the internal pressure of the space of the pig body is increased. Rises and the pig main body expands, and the pig main body comes into contact with the inner circumference of the conduit and is pumped even in a section where the diameter becomes large.
【０００８】[0008]
【発明の実施の形態】以下、本発明の管内洗管方法を図
１に示す具体的な実施の形態に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION A pipe washing method according to the present invention will be described below with reference to a specific embodiment shown in FIG.
【０００９】図１に示すように本発明のピグ４は、弾性
の高い発泡性ポリウレタン製のピグ本体４ａと、ピグ本
体４ａの内部の空間４ｂに取付部材４ｃで取り付けられ
たガス発生手段としてのボンベ４ｄなどで構成されてい
る。図示されていないが、外部からの信号を受信してボ
ンベ４ｄのバルブを開放する受信機がピグ４の内部また
は外部に取り付けられている。As shown in FIG. 1, the pig 4 of the present invention serves as a gas main body 4a made of highly expandable polyurethane foam and a gas generating means attached to a space 4b inside the pig main body 4a by an attaching member 4c. It is composed of a cylinder 4d and the like. Although not shown, a receiver that receives a signal from the outside and opens the valve of the cylinder 4d is mounted inside or outside the pig 4.
【００１０】なお、ピグ本体４ａの空間４ｂにはガス５
が封入されており、ピグ４は封入されたガス５のガス圧
５ａで洗管に必要な径に膨張している。このようにガス
圧で膨張したピグ４を図１に示すように、洗管を受ける
下水圧送管路１の上流側Ａに挿入して下流側Ｂに向けて
水圧で圧送して洗管する。ピグ４が径が大きい区間に達
すると、ボンベ４ｄのバルブの開放を命令する無線信号
を送信する。In addition, the gas 5 is stored in the space 4b of the pig body 4a.
And the pig 4 is expanded by the gas pressure 5a of the enclosed gas 5 to a diameter required for a washing pipe. As shown in FIG. 1, the pig 4 thus expanded by gas pressure is inserted into the upstream side A of the sewage pressure feeding pipe line 1 for receiving the washing pipe, and is hydraulically fed toward the downstream side B to wash the pipe. When the pig 4 reaches a section having a large diameter, it transmits a radio signal instructing opening of the valve of the cylinder 4d.
【００１１】この命令を受信した前記受信機がボンベ４
ｄのバルブを開放すると、ボンベ４ｄからピグ本体４ａ
の空間４ｂに、ボンベ４ｄに圧入されていた補充ガス６
が放出されてピグ４がガス圧の上昇で体積が膨張して、
膨張したピグ４は下水圧送管路１の径が大きくなった下
流側区間Ｄの内周に接触しながら、下流側Ｂに向けてさ
らに圧送される。The receiver which receives this command is the cylinder 4
When the valve of d is opened, the cylinder 4d is removed from the pig body 4a.
Gas 4 which was press-fitted into the cylinder 4d in the space 4b
Is released and the pig 4 expands in volume due to the increase in gas pressure,
The expanded pig 4 is further pressure-fed toward the downstream side B while being in contact with the inner circumference of the downstream side section D in which the diameter of the sewage pressure-feeding pipeline 1 is increased.
【００１２】このように、上流側区間Ｃだけでなく上流
側区間Ｃよりも径が大きくなった下流側区間Ｄもピグ４
で洗管することができる。上記の実施の形態では、ガス
発生手段はガスを保持したボンベ４ｄで構成したが、こ
のガス発生手段は下記の何れかに置換することもでき
る。As described above, not only the upstream section C but also the downstream section D having a larger diameter than the upstream section C is pig 4
Can be washed with. In the above embodiment, the gas generating means is constituted by the cylinder 4d holding the gas, but the gas generating means may be replaced with any of the following.
【００１３】ピグ本体４ａの空間にガス封入するだけで
なく、液体と反応してガスを発生する粉末または固形の
発泡剤を入れておき、ボンベ４ｄにはガスに代わって前
記液体を充填しておく、ピグ４が径が大きい下流側区間
に達すると、ボンベ４ｄのバルブの開放を命令する無線
信号を送信し、この命令を受信した前記受信機がボンベ
４ｄのバルブを開放すると、ボンベ４ｄからピグ本体４
ａの空間４ｂに、液体が放出されて前記発泡剤と反応し
てガスが発生し、ピグ４がガス圧の上昇で体積が膨張し
て同様の効果を得ることができる。Not only is gas sealed in the space of the pig main body 4a, but a powder or solid foaming agent that reacts with a liquid to generate a gas is also placed in the cylinder 4d, and the liquid is filled instead of the gas. When the pig 4 reaches a downstream section having a large diameter, a radio signal for instructing the opening of the valve of the cylinder 4d is transmitted, and when the receiver which receives this instruction opens the valve of the cylinder 4d, the cylinder 4d is opened. Pig main body 4
In the space 4b of a, liquid is released and reacts with the foaming agent to generate gas, and the pig 4 expands in volume due to increase in gas pressure, and the same effect can be obtained.
【００１４】上記の各実施の形態において、ピグ４を膨
張させるタイミングは、洗管開始後に規定時間の経過し
たことを検出してピグ４を膨張させる場合、下水圧送管
路１の径が変更される地点Ｅまたはその付近にピグ４が
通過したことを検出してシグナル棒が下水圧送管路１の
外部に突出するピグ通過シグナルを設置しておき、シグ
ナル棒が突出したことを目視で確認した係員がピグ４を
膨張させる場合、シグナル棒が突出したことを自動検出
してピグ４を膨張させる場合などを挙げることができ
る。In each of the above-described embodiments, when the pig 4 is inflated by detecting the elapse of a specified time after the start of the pipe washing, the diameter of the sewage pumping line 1 is changed. It was confirmed that the signal rod was projected by detecting that the pig 4 passed at or near the point E where the signal rod passed, and a pig passing signal that the signal rod protruded outside the sewer pressure-feeding pipeline 1 was installed. The case where the staff member inflates the pig 4 and the case where the pig 4 is expanded by automatically detecting the protrusion of the signal rod can be mentioned.
【００１５】[0015]
【発明の効果】以上のように本発明の管内洗管方法によ
れば、径が途中で拡大している管路をピグで洗管するに
際し、圧送途中のピグの内部圧を上昇させてピグを膨張
させ、拡大後の管路の内周にピグの外周を圧接させなが
らピグを圧送するので、径が拡大した下流側の管路も洗
管することができる。As described above, according to the in-pipe washing method of the present invention, when a pipe having an enlarged diameter is washed with a pig, the internal pressure of the pig during pumping is increased. Is expanded and the pig is pressure-fed while the outer circumference of the pig is pressed against the inner circumference of the expanded conduit, so that the downstream conduit having an enlarged diameter can also be washed.
【００１６】また、本発明の管内洗管用ピグは、内部の
空間にガスが封入されそのガス圧で膨張するピグ本体
と、ピグ本体の前記空間に配設されてガス発生させるガ
ス発生手段とを設けたので、ガス発生手段によってガス
を発生しない状態で管路を洗管し、管路の径が大きくな
った区間ではガス発生手段がガスを発生することでピグ
本体の前記空間の内部圧が上昇してピグ本体が膨張し、
径が大きくなった区間でもピグ本体が管路の内周に接触
して圧送され、径が拡大した下流側の管路も洗管するこ
とができる。Further, the pipe washing pipe pig of the present invention comprises a pig body which is filled with gas in an internal space and expands by the gas pressure, and gas generating means which is arranged in the space of the pig body to generate gas. Since the gas is generated by the gas generating means, the pipeline is washed, and the gas generating means generates gas in the section where the diameter of the pipeline becomes large, so that the internal pressure of the space of the pig main body is increased. Ascends and the pig body expands,
Even in the section where the diameter is increased, the pig main body comes into contact with the inner circumference of the conduit and is pressure-fed, and the downstream conduit having the enlarged diameter can be washed.
【図１】本発明の管内洗管用ピグによる洗管工程図FIG. 1 is a process chart of a pipe washing process using a pig for pipe washing according to the present invention.
【図２】従来の管内洗管用ピグによる洗管工程図[Fig. 2] A diagram of the conventional pipe washing process using a pig for pipe washing
１ 下水圧送管路 ４ ピグ ４ａ ピグ本体 ４ｂ 空間 ４ｄ ボンベ〔ガス発生手段〕 ５ ガス ６ 補充ガス 1 Sewage pressure feeding pipeline 4 Pig 4a Pig main body 4b Space 4d Cylinder [Gas generating means] 5 Gas 6 Supplementary gas
Claims (2)
管するに際し、圧送途中のピグの内部圧を上昇させてピ
グを膨張させ、拡大後の管路の内周にピグの外周を圧接
させながらピグを圧送する管内洗管方法。1. When washing a pipe having an enlarged diameter in the middle with a pig, the internal pressure of the pig during pumping is increased to expand the pig, and the pig is expanded to the inner circumference of the pipe after expansion. A pipe washing method in which the pig is pressure-fed while the outer periphery is pressed.
ピグであって、内部の空間にガスが封入されそのガス圧
で膨張するピグ本体と、ピグ本体の前記空間に配設され
てガス発生させるガス発生手段とを設け、ガス発生手段
によってガスを発生させるとピグ本体の前記空間の内部
圧が上昇してピグ本体が膨張する管内洗管用ピグ。2. A pipe washing pig that is inserted into a pipe line and is fed under pressure, wherein a pig body is filled with gas and expands by the gas pressure, and the pig body is disposed in the space of the pig body. A pipe washing pig in which a gas generating unit for generating gas is provided, and when the gas is generated by the gas generating unit, the internal pressure of the space of the pig main body rises and the pig main body expands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8079698A JPH09268643A (en) | 1996-04-02 | 1996-04-02 | Pipe inside washing method and pig for pipe inside washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8079698A JPH09268643A (en) | 1996-04-02 | 1996-04-02 | Pipe inside washing method and pig for pipe inside washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09268643A true JPH09268643A (en) | 1997-10-14 |
Family
ID=13697438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8079698A Pending JPH09268643A (en) | 1996-04-02 | 1996-04-02 | Pipe inside washing method and pig for pipe inside washing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09268643A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010501331A (en) * | 2006-08-22 | 2010-01-21 | フジェルディングスタッド テクノロジー | Apparatus and method for cleaning piping and piping systems |
| KR200454983Y1 (en) * | 2009-04-28 | 2011-08-09 | 주식회사 대우엔텍 | Air-Injectable Pigment |
| JP2011156486A (en) * | 2010-02-02 | 2011-08-18 | Hitachi-Ge Nuclear Energy Ltd | Recovery device for internal pipeline deposits |
| JP2012159132A (en) * | 2011-01-31 | 2012-08-23 | Osaka Gas Co Ltd | In-pipeline pig moving device as well as in-pipeline residual gas exhausting method, in-pipeline inspection method, in-pipeline surface lining method, in-pipeline cleaning method and in-pipeline wire-passing method using the in-pipeline pig moving device |
| CN104075073A (en) * | 2014-06-11 | 2014-10-01 | 朱伟 | Pipe inner wall processing device and processing method thereof |
| US10189026B2 (en) | 2015-06-26 | 2019-01-29 | Spt Group Llc | System and method for thermal ablation of pigging devices |
| CN109675879A (en) * | 2018-12-25 | 2019-04-26 | 贵州民族大学 | The cleaning plant and method of fresh water mussel in a kind of pipeline |
| CN111207268A (en) * | 2020-02-03 | 2020-05-29 | 成都普崔克机电有限公司 | Pipeline detection device |
| KR102154238B1 (en) * | 2020-01-03 | 2020-09-09 | 브니엘 네이처 주식회사 | Variable type pig ball and the location tracking system thereof |
| CN114394173A (en) * | 2022-02-18 | 2022-04-26 | 邱俊钦 | Sunroof honeycomb duct pull throughs for automobile manufacturing |
-
1996
- 1996-04-02 JP JP8079698A patent/JPH09268643A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010501331A (en) * | 2006-08-22 | 2010-01-21 | フジェルディングスタッド テクノロジー | Apparatus and method for cleaning piping and piping systems |
| US8713741B2 (en) | 2006-08-22 | 2014-05-06 | Fras Technology As | Apparatus and method for cleaning pipes and pipe systems |
| KR200454983Y1 (en) * | 2009-04-28 | 2011-08-09 | 주식회사 대우엔텍 | Air-Injectable Pigment |
| JP2011156486A (en) * | 2010-02-02 | 2011-08-18 | Hitachi-Ge Nuclear Energy Ltd | Recovery device for internal pipeline deposits |
| JP2012159132A (en) * | 2011-01-31 | 2012-08-23 | Osaka Gas Co Ltd | In-pipeline pig moving device as well as in-pipeline residual gas exhausting method, in-pipeline inspection method, in-pipeline surface lining method, in-pipeline cleaning method and in-pipeline wire-passing method using the in-pipeline pig moving device |
| CN104075073A (en) * | 2014-06-11 | 2014-10-01 | 朱伟 | Pipe inner wall processing device and processing method thereof |
| US10189026B2 (en) | 2015-06-26 | 2019-01-29 | Spt Group Llc | System and method for thermal ablation of pigging devices |
| CN109675879A (en) * | 2018-12-25 | 2019-04-26 | 贵州民族大学 | The cleaning plant and method of fresh water mussel in a kind of pipeline |
| KR102154238B1 (en) * | 2020-01-03 | 2020-09-09 | 브니엘 네이처 주식회사 | Variable type pig ball and the location tracking system thereof |
| CN111207268A (en) * | 2020-02-03 | 2020-05-29 | 成都普崔克机电有限公司 | Pipeline detection device |
| CN114394173A (en) * | 2022-02-18 | 2022-04-26 | 邱俊钦 | Sunroof honeycomb duct pull throughs for automobile manufacturing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH09268643A (en) | Pipe inside washing method and pig for pipe inside washing | |
| US6001212A (en) | Method for lining of lateral pipelines with flow-through apparatus | |
| CA2338105A1 (en) | Foam based product solution delivery apparatus | |
| NO20054237L (en) | Impact generator for single shock generation, especially in urology | |
| MX2007007912A (en) | Method, apparatus and system for lining conduits. | |
| JPH06262684A (en) | Method for everting pipe lining material | |
| JP2007205157A (en) | Vacuum type sewage system | |
| HUH3847A (en) | Device for dissoluting gas in liquids | |
| JPH0919962A (en) | Pipe lining method | |
| AU2002336960B2 (en) | Electropneumatic horn | |
| JPH10136064A (en) | Portable terminal equipment | |
| KR20190083202A (en) | Water ingress delay apparatus for vehicle | |
| RU2003117471A (en) | METHOD FOR PRODUCING A HEAT-INSULATED PIPE | |
| ZA200006454B (en) | Method and high-capacity apparatus for producing fire fighting foam and foam expanding spreading device. | |
| EP0989344A1 (en) | Shut-off device for a pipe | |
| JP2000000890A (en) | Apparatus for lining branch pipe | |
| JPH09268642A (en) | Pipe inside washing method and pig for pipe inside washing | |
| JP2001141400A (en) | Recoverer for underwater boat | |
| JP2002126482A (en) | Method of generating fine air bubbles | |
| JP2010000230A (en) | Protector for earthquake-proofing | |
| RU97120129A (en) | METHOD FOR HIGH-PERFORMANCE CATALYTIC CONVERSION OF CARBON MONOXIDE | |
| RU2211783C2 (en) | Coupling unit for submersible vehicle | |
| JP2004099843A (en) | Method and apparatus for producing gas clathrate | |
| JP4502263B2 (en) | Liner lining material | |
| JP2003210958A (en) | Foam generation apparatus |