JPH0283077A - Removal of attachments to the internal surface of tube - Google Patents

Removal of attachments to the internal surface of tube

Info

Publication number
JPH0283077A
JPH0283077A JP63233270A JP23327088A JPH0283077A JP H0283077 A JPH0283077 A JP H0283077A JP 63233270 A JP63233270 A JP 63233270A JP 23327088 A JP23327088 A JP 23327088A JP H0283077 A JPH0283077 A JP H0283077A
Authority
JP
Japan
Prior art keywords
tube
filament
wire rope
attachments
internal surface
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
Application number
JP63233270A
Other languages
Japanese (ja)
Other versions
JP2564914B2 (en
Inventor
Masahiro Sugawara
正弘 菅原
Takashi Oka
隆司 岡
Masaki Hayatsu
昌樹 早津
Akio Yuki
明夫 結城
Takeo Arimitsu
武雄 有光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Plant Technologies Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Plant Technologies Ltd filed Critical Hitachi Plant Technologies Ltd
Priority to JP63233270A priority Critical patent/JP2564914B2/en
Publication of JPH0283077A publication Critical patent/JPH0283077A/en
Application granted granted Critical
Publication of JP2564914B2 publication Critical patent/JP2564914B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To remove attachments to the internal surface of tube by installing the end of a linear material penetrating through the tube on a drive device and moving the linear material backward and forward on the axial line of the tube at a specified speed and stroke. CONSTITUTION:Wire rope 15 as a linear material is allowed to penetrate through the center of tubes 13 arranged in a heat exchanger 10, and the upper end 15a of the wire rope 15 is attached to a drive device 16. If a high-frequency shuttle motion is given in the radial direction or along axial line of the tube 13 at specified speed and stroke, a wave motion generates in the wire rope 15. Vibration and impact are inflicted to attachments 14 to the internal surface of the tube 13 by allowing wave crests 17 generated by the wave motion to come in contact with the internal surface 13a of the tube 13, and the attachments 14 are peeled off. Thus the contamination can easily be removed.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はチューブ内面付着物の除去方法に係シ、特にチ
ューブ本数の多い多管式熱交換器等のチューブ内面に付
着したダスト、汚泥、錆、水あか等の付着物を、チュー
ブ内に流体を通したま\除去するのに好適なチューブ内
面付着物の除去方法に関する。
[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for removing deposits on the inner surface of tubes, particularly dust, sludge, This invention relates to a method for removing deposits on the inner surface of a tube, which is suitable for removing deposits such as rust and water scale while passing fluid through the tube.

〔従来の技術〕[Conventional technology]

従来、熱交換器、煙道、配管等のチューブ内面付着物の
除去は下記のように行なっていた。例えば縦型熱交換器
の場合、第6図に示すように、まず熱交換器10の上カ
バーを外して、上部に人30が乗り、チューブ13内に
柄11の付いたブラシ12を挿入する。次にこのブラシ
12の柄11を人30が保持して、チューブ13内を高
傾度でチューブ13の軸線方向に往復動させ、チューブ
13内面の付着物14をブラシ12によって掻き落とし
除去していた。
Conventionally, the removal of deposits on the inner surfaces of tubes such as heat exchangers, flues, piping, etc. has been carried out as follows. For example, in the case of a vertical heat exchanger, as shown in FIG. 6, first remove the top cover of the heat exchanger 10, place a person 30 on top, and insert the brush 12 with the handle 11 into the tube 13. . Next, the handle 11 of this brush 12 was held by a person 30 and reciprocated within the tube 13 at a high angle in the axial direction of the tube 13 to scrape off and remove the deposits 14 on the inner surface of the tube 13 with the brush 12. .

しかし、上記方法はチューブ13が5樅に設けられて、
装置全体の高さが高い場合、柄11の長さを長くせねば
ならず、操作が困難であった。
However, in the above method, the tubes 13 are provided in five
When the height of the entire device is high, the length of the handle 11 must be increased, making operation difficult.

又、上記方法は装置が稼動状態であると、上カバーを外
して行なっていること、およびブラシ12自体がチュー
ブ13内を閉鎖するような状態となり、チューブ13内
の流体の流れを阻害するため、装置の稼動中は付着物1
4の除去作業ができなかった。
In addition, the above method is performed with the top cover removed when the device is in operation, and the brush 12 itself closes the inside of the tube 13, which obstructs the flow of fluid inside the tube 13. , deposits 1 during operation of the device.
4 removal work could not be done.

さらに、上記方法は熱交換器10のようにチューブ本数
が多い場合、ブラシ12の挿入、抜き出しを各チューブ
について繰シ返し行なわねばならず、手間が掛った。
Furthermore, in the case of the heat exchanger 10 having a large number of tubes, the above method requires repeated insertion and extraction of the brush 12 for each tube, which is time-consuming.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

本発明は上記従来技術の欠点を解消し、装置の高さや、
チューブの長さに影響されることなく、装置の稼動中で
もチューブ内面の付着物の除去が連続的に行なえ、しか
もチューブ本数が多い場合でも同時にできるチューブ内
面付着物の除去方法を提供することにある。
The present invention solves the above-mentioned drawbacks of the prior art, and reduces the height of the device.
It is an object of the present invention to provide a method for removing deposits on the inside of tubes that can be removed continuously even when the device is in operation, without being affected by the length of the tube, and that can be performed simultaneously even when there are a large number of tubes. .

〔課題を解決するための手段〕[Means to solve the problem]

本発明はチューブ内に貫通する線条物の端部を駆動手段
に取付け、所定の速度とストロークで前記チューブの@
線又は半径方向に往復動させて、前記線条物に波動を発
生させるものである。前記線条物としては、ワイヤロー
プ、リンクチェーン又は線条物の長さ方向に所定間隔で
複数個の錘りを取付けた線条物とし、波動によシ発生し
た波頭を前記チューブ内面に接触させることを特徴とす
る。
In the present invention, the end of the filament penetrating into the tube is attached to a driving means, and the @ of the tube is moved at a predetermined speed and stroke.
The filament is made to reciprocate in the linear or radial direction to generate waves in the filament. The filament may be a wire rope, a link chain, or a filament with a plurality of weights attached at predetermined intervals in the length direction of the filament, and the wave crests generated by the wave contact the inner surface of the tube. It is characterized by causing

〔作 用〕[For production]

チューブ内に貫通した線条物の端部を所定の速度トスト
ロークで、チューブの軸線又は半径方向に往復動するこ
とで、線条物に波動が発生する。
Waves are generated in the filament by reciprocating the end of the filament passing through the tube in the axial or radial direction of the tube at a predetermined stroke speed.

この波動の波頭がチューブ内面に周期的に、しかも連続
的に接触し、振動と衝撃を与えることで付着物が剥離し
、除去できる。なお、線条物としてはワイヤローフ、リ
ンクチェーン、あるいは長手方向に所定間隔で錘りを取
付けたものを使用すると波動によって生ずる振動や衝撃
力が大きく付着物の除去がし易い。又、線条物は装置内
部に1駆動手段を設けて取付けであるので、装置を一時
的に解体する必要もない。
The crests of these waves periodically and continuously contact the inner surface of the tube, and by applying vibration and impact, the deposits can be peeled off and removed. Note that if a wire loaf, a link chain, or one with weights attached at predetermined intervals in the longitudinal direction is used as the filament, the vibration and impact force generated by the wave motion will be large, making it easier to remove the deposits. Furthermore, since the filament is mounted by providing one drive means inside the device, there is no need to temporarily dismantle the device.

さらに、線条物はその断面積が小さいので、チューブ内
に貫通させても、チューブ内の流体に与える諸圧力損失
が少なく、装置の稼動中でも付着物の除去作宅ができる
。又、チューブ本数が多い場合でも多数のチューブ内の
それぞれに線条物を貫通させることで、同時に付着物の
除去作業ができる。
Furthermore, since the filament has a small cross-sectional area, even if it penetrates into the tube, there is little pressure loss on the fluid within the tube, and deposits can be removed even while the device is in operation. Furthermore, even when there are a large number of tubes, by passing the filament through each of the many tubes, it is possible to remove the deposits at the same time.

〔実施 例〕〔Example〕

以下図面を参照して本発明の一実施例の説明をする。 An embodiment of the present invention will be described below with reference to the drawings.

第1図は本発明の第1の実施例の構成を示す断面図、第
2図は本発明の第2の実施例の構成を示す断面図である
FIG. 1 is a sectional view showing the structure of a first embodiment of the invention, and FIG. 2 is a sectional view showing the structure of a second embodiment of the invention.

第1の実施例は第1図に示すように鉛直に設けた縦型熱
交換器lOの場合である。熱交換器10の内部に配設し
た複数本のチューブ13内の略中心位置に線条物として
のワイヤロープ15を貫通させ、とのワイヤロープ15
の上端部15aを、駆動手段である駆動装置16に取付
ける。この駆動装置15によりワイヤロープ15に所定
の速度とストロークをもってチューブ13の軸線又は半
径方向に高ノ埴度の往復動を与えると、ワイヤロープ1
5に図示2点鎖線のような波動が生じる。この波動によ
って生じた波頭17をチューブ13内面13aに接触さ
せることにより、チューブ13内面の付着物14に周期
的で、しかも連続的な振動と衝撃が加わり、付着物14
が剥離し、除去できる。本実施例にて使用するワイヤロ
ープ15は波動を発生し易くするだめ、チューブ13の
内径りに比してかなり細い直径dを有したものとしてい
る。このため該熱交換器10が稼動中で、チューブ13
内に流体が通っていても、ワイヤロープ15の断面積が
小さいので、流体に与える諸圧力損失が少ない。この結
実装置の稼動中であってもチューブ13内面の付着物1
4の除去ができる。
The first embodiment is a case of a vertical heat exchanger IO installed vertically as shown in FIG. A wire rope 15 as a filament is passed through approximately the center of a plurality of tubes 13 disposed inside the heat exchanger 10.
The upper end portion 15a of is attached to a drive device 16 which is a drive means. When this driving device 15 gives the wire rope 15 reciprocating motion with high stiffness in the axial or radial direction of the tube 13 at a predetermined speed and stroke, the wire rope 15
5, waves as shown by the two-dot chain line are generated. By bringing the wave crest 17 generated by this wave into contact with the inner surface 13a of the tube 13, periodic and continuous vibrations and shocks are applied to the deposits 14 on the inner surface of the tube 13.
can be peeled off and removed. The wire rope 15 used in this embodiment has a diameter d that is considerably smaller than the inner diameter of the tube 13 in order to facilitate the generation of waves. Therefore, while the heat exchanger 10 is in operation, the tube 13
Even if a fluid passes through the wire rope 15, the cross-sectional area of the wire rope 15 is small, so the various pressure losses imparted to the fluid are small. Even during operation of this fruiting device, deposits 1 on the inner surface of the tube 13
4 can be removed.

なお1、駆動装置16についても、流体の圧力損失を少
なくするため図示のように熱交換器lo内に設けず、外
部に設けて、往復動伝達手段のみ熱交換器10内に設け
てもよい。又1.堅動装置16による往復動の方向、速
度、ストローク及び頻度はチューブ13の内径りや長さ
によって振幅や振動数を調整できるようにする。
1. In order to reduce the pressure loss of the fluid, the drive device 16 may also be provided outside the heat exchanger 10 instead of being provided inside the heat exchanger lo as shown in the figure, and only the reciprocating motion transmission means may be provided inside the heat exchanger 10. . Also 1. The direction, speed, stroke, and frequency of the reciprocating motion by the rigid device 16 can be adjusted in amplitude and frequency depending on the inner diameter and length of the tube 13.

次に第2の実施例の説明をする。第2の実施例は第2図
に示すように、略水平に設けた横型熱交換器lOの場合
である。
Next, a second embodiment will be explained. The second embodiment, as shown in FIG. 2, is a case of a horizontal heat exchanger IO installed substantially horizontally.

熱交換器10が横型の場合でも基本的な構成と作用は上
述した第1の実施例と略同様である。異なる点はチュー
ブ13内面に貫通させたワイヤロープ15の一端部15
1)を1駆動装置16に取付け、他端部150をスプリ
ング18にて係止し、しかもワイヤロープ15自体の略
中央部151Bをチューブ13内面にわずかに接触する
ように懸垂したことである。
Even when the heat exchanger 10 is of horizontal type, the basic structure and operation are substantially the same as those of the first embodiment described above. The difference is that one end 15 of the wire rope 15 is passed through the inner surface of the tube 13.
1) is attached to the first drive device 16, the other end 150 is locked by the spring 18, and the wire rope 15 itself is suspended so that its substantially central portion 151B slightly contacts the inner surface of the tube 13.

上記のようにすることで、第1の実施例とはソ同様にワ
イヤローブ15に波動を発生させることができる。又他
端部15Cをスプリング18により係止したことで、波
動中、他端部150がチューブ13内面に付着したり、
絡まったりすることがない。
By doing as described above, it is possible to generate waves in the wire lobe 15 in the same manner as in the first embodiment. Also, by locking the other end 15C with the spring 18, the other end 150 does not stick to the inner surface of the tube 13 during wave motion.
It never gets tangled.

以上説明したように本実施例によればチューブ13内面
にワイヤーロープ15を貫通し、このワイヤロープ15
を、駆動装置16によシ波動させることで、チューブ1
3内面の付着物を剥離し除去できる。しかも除去作業は
チューブ13内に流体が通っている場合、すなわち稼動
中であってもできる。又熱交換器10のようにチューブ
本数が多い場合でも同時にできる。
As explained above, according to this embodiment, the wire rope 15 is passed through the inner surface of the tube 13, and the wire rope 15 is
By causing the drive device 16 to vibrate the tube 1
3. It is possible to peel off and remove deposits on the inner surface. Furthermore, the removal operation can be performed even when fluid is flowing through the tube 13, that is, even during operation. Moreover, even when there are many tubes like the heat exchanger 10, it can be done at the same time.

なお本実施例では線条物としてワイヤローブ15を用い
たが、これは第3図(I)に示すようなリンクチェーン
19あるいは第3図(社)に示すような線条物の長さ方
向に所定間隔tで複数個の錘シ20を取付けたロープ2
1としてもよい。上記のように線条物にある程度重量の
ある突起部22を設けることで、第3図(I) 、 @
の2点鎖線で示す波動の波頭17が突起部22と一致す
ると、チューブ13内面に与える振動と衝タカが大きく
なり、付着物14が剥離し易くなる。
In this embodiment, a wire lobe 15 was used as the filament, but this may be a link chain 19 as shown in FIG. 3 (I) or a filament as shown in FIG. A rope 2 to which a plurality of weights 20 are attached at predetermined intervals t
It may be set to 1. By providing the protrusions 22 with some weight on the filament as described above, the structure shown in Fig. 3 (I), @
When the wave crest 17 shown by the two-dot chain line coincides with the protrusion 22, the vibration and impact applied to the inner surface of the tube 13 become large, and the deposit 14 is easily peeled off.

又、本実施例では対象の装置として熱交換器10の場合
を示したが、熱交換器10でなくても、内面に付着物1
4が発生し易い他の装置に適用できる。例えば第4図に
示すように配! 23の場合、熱交換器10と異なり、
両端に開放部がない。しかし配管23の管壁23aに複
数の封止部24を設けて、駆動装置16は封止部24と
連通、する予備筒25内に設ける。そしてワイヤロープ
15の一端部15bを封止部24に挿通させて駆動装置
16に取付ける。一方ワイヤロープ15の他端部15c
はスプリング18を介して封止部24に係止する。
Further, although this embodiment shows the case of the heat exchanger 10 as the target device, it is possible to use the heat exchanger 10 as well as the inner surface of the heat exchanger 10.
It can be applied to other devices where 4 is likely to occur. For example, as shown in Figure 4! In the case of 23, unlike the heat exchanger 10,
There are no openings at either end. However, a plurality of sealing parts 24 are provided on the tube wall 23a of the pipe 23, and the driving device 16 is provided in a spare cylinder 25 that communicates with the sealing parts 24. Then, one end portion 15b of the wire rope 15 is inserted through the sealing portion 24 and attached to the drive device 16. On the other hand, the other end portion 15c of the wire rope 15
is engaged with the sealing portion 24 via the spring 18.

このようにすることで配管23内面の付着物14に対し
ても前記第2の実施例と同様の作用と効果がある。
By doing so, the same operation and effect as in the second embodiment can be achieved with respect to the deposits 14 on the inner surface of the pipe 23.

さらに本実施例ではスプリング18をチューブ13又は
配管23の軸線方向に取付けたが、第5図に示すように
、上記配管23の半径方向に取付けてもよい。
Further, in this embodiment, the spring 18 is attached in the axial direction of the tube 13 or the piping 23, but as shown in FIG. 5, it may be attached in the radial direction of the piping 23.

〔発明の効果〕〔Effect of the invention〕

本発明は上述のように構成されているので次に記す効果
がある。
Since the present invention is configured as described above, it has the following effects.

チューブ内に線条物を貫通させ、この線条物の端部を駆
動手段Cでより、チューブの軸線又は半径方向に往復動
させる。これによって生ずる線糸物の波動を利用して、
チューブ内面の付着物を稼動中、しかもチューブが多数
本あっても同時に容易に剥離して除去することができる
A filament is passed through the tube, and the end of the filament is twisted by a driving means C to reciprocate in the axial or radial direction of the tube. Utilizing the wave motion of the wire yarn produced by this,
It is possible to easily peel off and remove deposits on the inner surface of tubes at the same time during operation, even when there are many tubes.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の第1の実姉例の構成を示す断面図、第
2図は本発明の第2の実施例の構成を示す断面図、第3
図(1) 、 ([I′)は実施例に係わる線条物の外
形を示す断面図、第4図は実施例に係る配管での適用状
態を示す断面図、第5図は実施例に係るスプリングの変
形取付状態を示す断面図、第6図は従来例を示す断面図
である。 lO・・・熱交換器、      13・・チューブ。 14・・・付着物、       15・・・ワイヤロ
ープ。 ・・1躯動装置 ・・・彼 頭 ・・・スプリ ング。
FIG. 1 is a cross-sectional view showing the structure of a first practical example of the present invention, FIG. 2 is a cross-sectional view showing the structure of a second embodiment of the present invention, and FIG.
Figures (1) and ([I') are cross-sectional views showing the external shape of the filament according to the example, Figure 4 is a cross-sectional view showing the state of application in piping according to the example, and Figure 5 is a cross-sectional view showing the application state of the filament according to the example. FIG. 6 is a cross-sectional view showing a modified mounting state of the spring, and FIG. 6 is a cross-sectional view showing a conventional example. lO... Heat exchanger, 13... Tube. 14... Adherence, 15... Wire rope.・・1 movement device・head・spring.

Claims (3)

【特許請求の範囲】[Claims] (1)チューブ内に貫通する線条物の端部を、駆動手段
に取付け、所定の速度とストロークで前記チューブの軸
線又は半径方向に往復動させて、前記線条物に波動を発
生させ、発生した波頭を前記チューブの内面に接触させ
ることを特徴とするチューブ内面付着物の除去方法。
(1) Attach the end of the filament that penetrates into the tube to a driving means and reciprocate in the axial or radial direction of the tube at a predetermined speed and stroke to generate waves in the filament; A method for removing deposits on the inner surface of a tube, comprising bringing the generated wave crest into contact with the inner surface of the tube.
(2)前記線条物として、ワイヤロープ又はリンクチェ
ーンを使用したことを特徴とする請求項(1)記載のチ
ューブ内面付着物の除去方法。
(2) The method for removing deposits on the inner surface of a tube according to claim (1), wherein a wire rope or a link chain is used as the filament.
(3)前記線条物として、線条物の長さ方向に所定間隔
で複数個の錘りを取付けたことを特徴とする請求項(1
)、(2)記載のチューブ内面付着物の除去方法。
(3) Claim (1) characterized in that the filament has a plurality of weights attached at predetermined intervals in the length direction of the filament.
) and (2), the method for removing deposits on the inner surface of a tube.
JP63233270A 1988-09-17 1988-09-17 How to remove deposits on tube inner surface Expired - Fee Related JP2564914B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63233270A JP2564914B2 (en) 1988-09-17 1988-09-17 How to remove deposits on tube inner surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63233270A JP2564914B2 (en) 1988-09-17 1988-09-17 How to remove deposits on tube inner surface

Publications (2)

Publication Number Publication Date
JPH0283077A true JPH0283077A (en) 1990-03-23
JP2564914B2 JP2564914B2 (en) 1996-12-18

Family

ID=16952459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63233270A Expired - Fee Related JP2564914B2 (en) 1988-09-17 1988-09-17 How to remove deposits on tube inner surface

Country Status (1)

Country Link
JP (1) JP2564914B2 (en)

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* Cited by examiner, † Cited by third party
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JPS496864U (en) * 1972-04-19 1974-01-21
JPS4916983A (en) * 1972-06-08 1974-02-14
JPS5042579U (en) * 1973-08-13 1975-04-30
JPS57169488U (en) * 1981-04-21 1982-10-25
JPS6382436U (en) * 1986-11-18 1988-05-30
JPS6390440U (en) * 1986-12-04 1988-06-11

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496864U (en) * 1972-04-19 1974-01-21
JPS4916983A (en) * 1972-06-08 1974-02-14
JPS5042579U (en) * 1973-08-13 1975-04-30
JPS57169488U (en) * 1981-04-21 1982-10-25
JPS6382436U (en) * 1986-11-18 1988-05-30
JPS6390440U (en) * 1986-12-04 1988-06-11

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