JPH05296687A - Heat transfer tube automatic cleaning device - Google Patents
Heat transfer tube automatic cleaning deviceInfo
- Publication number
- JPH05296687A JPH05296687A JP4130076A JP13007692A JPH05296687A JP H05296687 A JPH05296687 A JP H05296687A JP 4130076 A JP4130076 A JP 4130076A JP 13007692 A JP13007692 A JP 13007692A JP H05296687 A JPH05296687 A JP H05296687A
- Authority
- JP
- Japan
- Prior art keywords
- heat transfer
- transfer tube
- cleaning body
- cleaning
- water
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、伝熱管内に洗浄体を水
流により定期的に通すことにより、自動的に伝熱管内を
バッチ方式でクリーニングする装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for automatically cleaning the inside of a heat transfer tube in a batch system by periodically passing a cleaning body through the heat transfer tube with a water stream.
【０００２】[0002]
【従来の技術】従来、熱交換器の伝熱管内をクリーニン
グする装置として、つぎのようなものが知られている。 （１） 伝熱管内にブラシを挿入し、四方切換弁を用い
て水流方向を逆転させ、ブラシが水流により回転しなが
ら移動し、伝熱管内壁に付着した汚れを自動的に除去す
るようにした装置。 （２） 冷凍機凝縮器の冷却水の中にスポンジボールを
注入し、冷却水流を利用してボールを伝熱管内に押し込
み、運転しながら常時、自動的に伝熱管内面に付着した
スケールを洗浄するようにした装置。2. Description of the Related Art Conventionally, the following devices have been known as devices for cleaning the inside of a heat transfer tube of a heat exchanger. (1) A brush was inserted into the heat transfer tube, the water flow direction was reversed using a four-way switching valve, and the brush moved while rotating due to the water flow to automatically remove dirt adhering to the inner wall of the heat transfer tube. apparatus. (2) Sponge balls are poured into the cooling water of the refrigerator condenser, the balls are pushed into the heat transfer tube by using the cooling water flow, and the scale adhering to the inner surface of the heat transfer tube is automatically washed at all times during operation. A device that is designed to do.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記（２）の
方式においては、複数の自動切替弁及びボールベッセル
内隔壁弁が必要で構造が複雑となり、設置のための広い
スペースを必要とする、すなわち、高価で大型の装置を
必要とするという問題点がある。また、上記（１）の方
式においては、大型の四方切換弁を必要とする上に、洗
浄中は冷温水機を停止しなければならないという問題点
がある。本発明は、上記の諸点に鑑みなされたもので、
自動弁を設けないか、又は自動弁１個を設ける簡単な構
成で自動クリーニングができ、かつ、熱交換器等の伝熱
管を有する機器に組み込むことも可能で、特別な周辺ス
ペースや操作装置を必要としない伝熱管自動クリーニン
グ装置を提供することを目的とするものである。However, the method (2) requires a plurality of automatic switching valves and a partition valve in the ball vessel, which complicates the structure and requires a large space for installation. That is, there is a problem that an expensive and large-sized device is required. Further, the above method (1) has a problem that a large four-way switching valve is required and the chiller / heater must be stopped during cleaning. The present invention has been made in view of the above points,
It can be automatically cleaned with a simple configuration with no automatic valve or with one automatic valve, and it can also be incorporated in equipment with heat transfer tubes such as heat exchangers, with a special peripheral space and operating device. It is an object of the present invention to provide a heat transfer tube automatic cleaning device that does not require it.
【０００４】[0004]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の伝熱管自動クリーニング装置は、図面に
示すように、シェルアンドチューブ型熱交換器の伝熱管
の管内を、洗浄体を用いて洗浄する伝熱管クリーニング
装置において、伝熱管１２の出口ヘッダー１４下部に逆
止弁Ｃを介して接続された洗浄体溜め１６と、洗浄体溜
め１６と伝熱管の入口ヘッダー１８とを接続する、逆止
弁Ｂを備えた洗浄体移送管２０と、洗浄体溜め１６と入
口ヘッダーの水入口２６とを接続する水供給管２８と、
出口ヘッダーの水出口２２近傍に設けられた洗浄体回収
用の多孔体３２と、水入口２６と入口ヘッダー１８との
接続部近傍に設けられたオリフィスプレート３４と、か
らなることを特徴としている。また、水供給管２８に自
動切替弁Ａを設けることもある。In order to achieve the above object, the heat transfer tube automatic cleaning device of the present invention is configured to clean the inside of the heat transfer tube of the shell and tube heat exchanger as shown in the drawings. In a heat transfer tube cleaning device for cleaning by using a cleaning body reservoir 16 connected to the lower part of the outlet header 14 of the heat transfer tube 12 via a check valve C, the cleaning body reservoir 16 and an inlet header 18 of the heat transfer tube are connected. A cleaning body transfer pipe 20 having a check valve B, a water supply pipe 28 connecting the cleaning body reservoir 16 and a water inlet 26 of the inlet header,
It is characterized in that it comprises a porous body 32 for recovering the cleaning body provided in the vicinity of the water outlet 22 of the outlet header, and an orifice plate 34 provided in the vicinity of the connecting portion between the water inlet 26 and the inlet header 18. Further, the water supply pipe 28 may be provided with an automatic switching valve A.
【０００５】[0005]
【作用】図１に示すように、熱交換器１０へ冷却水を供
給すると、洗浄体３０が洗浄体溜め１６から流出し、逆
止弁Ｂを通過して熱交換器（例えば、吸収冷凍機・冷温
水機の吸収器又は凝縮器）へ供給される。このとき、逆
止弁Ｃは閉である。洗浄体３０が伝熱管内を通過する過
程において、伝熱管内がブラッシングされる。伝熱管を
流出した洗浄体３０は、出口ヘッダー１４下部に溜ま
る。なお、洗浄体３０の比重を、１より若干大き目にし
ておく。ついで、図２に示すように、熱交換器１０への
冷却水の供給を止めると、洗浄体溜め１６内の圧力は、
出口ヘッダー１４底部の圧力に等しくなるので、逆止弁
Ｃが開となり、出口ヘッダー１４底部に溜まっている洗
浄体３０は、自重によって洗浄体溜め１６に移る。As shown in FIG. 1, when cooling water is supplied to the heat exchanger 10, the cleaning body 30 flows out of the cleaning body reservoir 16, passes through the check valve B, and passes through the heat exchanger (for example, an absorption refrigerator). -Supply to the absorber or condenser of the water heater. At this time, the check valve C is closed. In the process in which the cleaning body 30 passes through the heat transfer tube, the inside of the heat transfer tube is brushed. The cleaning body 30 that has flowed out of the heat transfer tube collects in the lower portion of the outlet header 14. The specific gravity of the cleaning body 30 is set to be slightly larger than 1. Then, as shown in FIG. 2, when the supply of the cooling water to the heat exchanger 10 is stopped, the pressure in the cleaning body reservoir 16 becomes
Since the pressure at the bottom of the outlet header 14 becomes equal, the check valve C opens, and the cleaning body 30 accumulated at the bottom of the outlet header 14 moves to the cleaning body reservoir 16 by its own weight.
【０００６】また、図３に示すように、熱交換器１０へ
冷却水が供給された状態で自動切替弁Ａを開とすると、
洗浄体３０が洗浄体溜め１６から流出し、逆止弁Ｂを通
過して熱交換器（例えば、吸収冷凍機・冷温水機の吸収
器又は凝縮器）へ供給される。このとき、逆止弁Ｃは閉
である。洗浄体３０が伝熱管内を通過する過程におい
て、伝熱管内がブラッシングされる。伝熱管を流出した
洗浄体３０は、出口ヘッダー１４下部に溜まる。なお、
洗浄体３０の比重を、１よりも若干大き目にしておく。
ついで、図４に示すように、自動切替弁Ａを閉とする
と、洗浄体溜め１６内の圧力は、出口ヘッダー１４底部
の圧力に等しくなるので、逆止弁Ｂが閉、逆止弁Ｃが開
となる。さらに熱交換器１０の運転を停止し、熱交換器
１０への冷却水の供給を止めると、出口ヘッダー１４底
部に溜まっている洗浄体３０は、自重によって洗浄体溜
め１６に移る。上記の操作を必要に応じて行なう。Further, as shown in FIG. 3, when the automatic switching valve A is opened with the cooling water being supplied to the heat exchanger 10,
The cleaning body 30 flows out from the cleaning body reservoir 16, passes through the check valve B, and is supplied to a heat exchanger (for example, an absorber or a condenser of an absorption refrigerator / cooler / heater). At this time, the check valve C is closed. In the process in which the cleaning body 30 passes through the heat transfer tube, the inside of the heat transfer tube is brushed. The cleaning body 30 that has flowed out of the heat transfer tube collects in the lower portion of the outlet header 14. In addition,
The specific gravity of the cleaning body 30 is set to be slightly larger than 1.
Then, as shown in FIG. 4, when the automatic switching valve A is closed, the pressure inside the cleaning body reservoir 16 becomes equal to the pressure at the bottom of the outlet header 14, so that the check valve B is closed and the check valve C is closed. Open. Further, when the operation of the heat exchanger 10 is stopped and the supply of the cooling water to the heat exchanger 10 is stopped, the cleaning body 30 accumulated at the bottom of the outlet header 14 moves to the cleaning body reservoir 16 by its own weight. The above operation is performed as necessary.
【０００７】[0007]
【実施例】以下、図面を参照して本発明の好適な実施例
を詳細に説明する。ただし、この実施例に記載されてい
る構成機器の材質、形状、その相対配置などは、とくに
特定的な記載がない限りは、本発明の範囲をそれらのみ
に限定する趣旨のものではなく、単なる説明例にすぎな
い。 実施例１ 図１及び図２において、１０は熱交換器、例えば、吸収
冷凍機・冷温水機の吸収器又は凝縮器で、この熱交換器
１０の伝熱管（冷却水管）１２の出口ヘッダー１４の下
部に、逆止弁Ｃを介して洗浄体溜め１６が接続される。
洗浄体溜め１６の側部と、伝熱管の入口ヘッダー１８と
は、逆止弁Ｂを備えた洗浄体移送管２０を介して接続さ
れる。また、洗浄体溜め１６と入口ヘッダー１８の水入
口２６とは、水供給管２８を介して接続される。そし
て、出口ヘッダー１４の水出口２２の近傍、及び洗浄体
溜め１６内の底部には、洗浄体３０を通過させないため
の多孔体３２、３６が設けられる。多孔体３２は、洗浄
体を回収するためのフィルターである。また、入口ヘッ
ダー１８の水入口２６の近傍には、圧力差を生じさせる
ためのオリフィスプレート３４が設けられている。３８
は流体入口、４０は流体出口である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below with reference to the drawings. However, the materials, shapes, and relative arrangements of the constituent devices described in this embodiment are not intended to limit the scope of the present invention to only those, unless otherwise specified, and simply It's just an example. Embodiment 1 In FIGS. 1 and 2, 10 is a heat exchanger, for example, an absorber or condenser of an absorption refrigerator / cooler / heater, and an outlet header 14 of a heat transfer pipe (cooling water pipe) 12 of the heat exchanger 10. The cleaning body reservoir 16 is connected to the lower part of the via a check valve C.
The side of the cleaning body reservoir 16 and the inlet header 18 of the heat transfer tube are connected via a cleaning body transfer pipe 20 having a check valve B. The cleaning body reservoir 16 and the water inlet 26 of the inlet header 18 are connected via a water supply pipe 28. Then, in the vicinity of the water outlet 22 of the outlet header 14 and in the bottom of the cleaning body reservoir 16, porous bodies 32 and 36 for preventing the cleaning body 30 from passing are provided. The porous body 32 is a filter for collecting the cleaning body. An orifice plate 34 for producing a pressure difference is provided near the water inlet 26 of the inlet header 18. 38
Is a fluid inlet and 40 is a fluid outlet.
【０００８】洗浄体３０としては、比重が１より大きい
球、三角形体、多角形体、らせん体等が用いられる。球
を用いる場合は、とくに、伝熱管の内径よりやや大きい
直径のスポンジボール、ゴムボールを用いるのが望まし
い。また、洗浄体３０の移送を容易にするために、洗浄
体移送管２０の内径が、伝熱管の内径よりも大きくなる
ようにする。As the cleaning body 30, a sphere having a specific gravity of more than 1, a triangular body, a polygonal body, a spiral body or the like is used. When using a sphere, it is particularly preferable to use a sponge ball or a rubber ball having a diameter slightly larger than the inner diameter of the heat transfer tube. Further, in order to facilitate the transfer of the cleaning body 30, the inner diameter of the cleaning body transfer pipe 20 is made larger than the inner diameter of the heat transfer pipe.
【０００９】実施例２ 本実施例は、図３及び図４に示すように、水供給管２８
に自動切替弁Ａを設けたものである。他の構成は実施例
１の場合と同様である。Embodiment 2 In this embodiment, as shown in FIGS. 3 and 4, a water supply pipe 28
The automatic switching valve A is provided in the. Other configurations are the same as those in the first embodiment.
【００１０】[0010]
【発明の効果】本発明は上記のように構成されているの
で、つぎのような効果を奏する。 （１） 簡単な構成で、伝熱管内の自動クリーニングを
行うことができる。 （２） コンパクトに構成できるので、設置スペースが
小さくてよく、装置内に容易に組み込むことができ、操
作も簡単である。Since the present invention is constructed as described above, it has the following effects. (1) The inside of the heat transfer tube can be automatically cleaned with a simple configuration. (2) Since it can be compactly constructed, it requires a small installation space, can be easily incorporated in the apparatus, and is easy to operate.
【図１】本発明の伝熱管自動クリーニング装置の一実施
例を示し、冷却水を供給して伝熱管内をクリーニングし
ている状態の説明図である。FIG. 1 is an explanatory diagram showing an embodiment of a heat transfer tube automatic cleaning device of the present invention, in a state in which cooling water is supplied to clean the inside of the heat transfer tube.
【図２】図１において、冷却水の供給を止めた状態を示
す説明図である。FIG. 2 is an explanatory diagram showing a state in which the supply of cooling water is stopped in FIG.
【図３】本発明の装置の他の実施例を示し、冷却水を供
給して伝熱管内をクリーニングしている状態（自動切替
弁が開）の説明図である。FIG. 3 is an explanatory view showing another embodiment of the apparatus of the present invention and showing a state in which cooling water is supplied to clean the inside of the heat transfer tube (the automatic switching valve is open).
【図４】図３において、冷却水の供給を止めた状態（自
動切替弁が閉）を示す説明図である。FIG. 4 is an explanatory diagram showing a state in which the supply of cooling water is stopped in FIG. 3 (the automatic switching valve is closed).
１０ 熱交換器 １２ 伝熱管 １４ 出口ヘッダー １６ 洗浄体溜め １８ 入口ヘッダー ２０ 洗浄体移送管 ２２ 水出口 ２６ 水入口 ２８ 水供給管 ３０ 洗浄体 ３２ 多孔体 ３４ オリフィスプレート ３６ 多孔体 ３８ 流体入口 ４０ 流体出口 Ａ 自動切替弁 Ｂ 逆止弁 Ｃ 逆止弁 10 Heat Exchanger 12 Heat Transfer Pipe 14 Outlet Header 16 Cleaning Body Reservoir 18 Inlet Header 20 Cleaning Body Transfer Pipe 22 Water Outlet 26 Water Inlet 28 Water Supply Pipe 30 Cleaning Body 32 Porous Body 34 Orifice Plate 36 Porous Body 38 Fluid Inlet 40 Fluid Outlet A Automatic switching valve B Check valve C Check valve
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【手続補正書】[Procedure amendment]
【提出日】平成４年６月３日[Submission date] June 3, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図２[Name of item to be corrected] Figure 2
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図２】 [Fig. 2]
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図４[Name of item to be corrected] Fig. 4
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図４】 [Figure 4]
Claims (2)
管の管内を、洗浄体を用いて洗浄する伝熱管クリーニン
グ装置において、 伝熱管（１２）の出口ヘッダー（１４）下部に逆止弁
（Ｃ）を介して接続された洗浄体溜め（１６）と、 洗浄体溜め（１６）と伝熱管の入口ヘッダー（１８）と
を接続する、逆止弁（Ｂ）を備えた洗浄体移送管（２
０）と、 洗浄体溜め（１６）と入口ヘッダーの水入口（２６）と
を接続する水供給管（２８）と、 出口ヘッダーの水出口（２２）近傍に設けられた洗浄体
回収用の多孔体（３２）と、 水入口（２６）と入口ヘッダー（１８）との接続部近傍
に設けられたオリフィスプレート（３４）と、からなる
ことを特徴とする伝熱管自動クリーニング装置。1. A heat transfer tube cleaning device for cleaning the inside of a heat transfer tube of a shell-and-tube heat exchanger with a cleaning body, wherein a check valve (C) is provided below an outlet header (14) of the heat transfer tube (12). And a cleaning body transfer pipe (2) provided with a check valve (B) for connecting the cleaning body reservoir (16) connected to the cleaning body reservoir (16) with the inlet header (18) of the heat transfer tube.
0), a water supply pipe (28) connecting the cleaning body reservoir (16) to the water inlet (26) of the inlet header, and a porous body for cleaning body recovery provided near the water outlet (22) of the outlet header. An automatic heat transfer tube cleaning device comprising a body (32) and an orifice plate (34) provided in the vicinity of the connection between the water inlet (26) and the inlet header (18).
設けたことを特徴とする請求項１記載の伝熱管自動クリ
ーニング装置。2. The automatic heat transfer pipe cleaning device according to claim 1, wherein the water supply pipe (28) is provided with an automatic switching valve (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13007692A JP3164882B2 (en) | 1992-04-22 | 1992-04-22 | Heat transfer tube automatic cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13007692A JP3164882B2 (en) | 1992-04-22 | 1992-04-22 | Heat transfer tube automatic cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05296687A true JPH05296687A (en) | 1993-11-09 |
| JP3164882B2 JP3164882B2 (en) | 2001-05-14 |
Family
ID=15025418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13007692A Expired - Lifetime JP3164882B2 (en) | 1992-04-22 | 1992-04-22 | Heat transfer tube automatic cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3164882B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592990A (en) * | 1994-07-25 | 1997-01-14 | Ball-Tech Energy Ltd. | Cleaning system for cleaning fluid-conducting tubing |
| JP2006343003A (en) * | 2005-06-08 | 2006-12-21 | Kawasaki Thermal Engineering Co Ltd | Absorption water cooler/heater system and its operation method |
| JP2010169335A (en) * | 2009-01-23 | 2010-08-05 | Hitachi Ltd | Heat exchanger and water chamber for the same |
| JP2017090036A (en) * | 2015-11-12 | 2017-05-25 | 斗山重工業株式会社 | Condenser tube cleaning device |
| WO2021051415A1 (en) * | 2019-09-20 | 2021-03-25 | 深圳市勤达富流体机电设备有限公司 | Differential pressure dynamic structure |
| US20210396482A1 (en) * | 2018-07-27 | 2021-12-23 | Guangzhou Marton Environmental Technology Co., Ltd. | Heat exchanger end cover integrated with rubber ball cleaning apparatus |
-
1992
- 1992-04-22 JP JP13007692A patent/JP3164882B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592990A (en) * | 1994-07-25 | 1997-01-14 | Ball-Tech Energy Ltd. | Cleaning system for cleaning fluid-conducting tubing |
| JP2006343003A (en) * | 2005-06-08 | 2006-12-21 | Kawasaki Thermal Engineering Co Ltd | Absorption water cooler/heater system and its operation method |
| JP2010169335A (en) * | 2009-01-23 | 2010-08-05 | Hitachi Ltd | Heat exchanger and water chamber for the same |
| JP2017090036A (en) * | 2015-11-12 | 2017-05-25 | 斗山重工業株式会社 | Condenser tube cleaning device |
| US10371470B2 (en) | 2015-11-12 | 2019-08-06 | DOOSAN Heavy Industries Construction Co., LTD | Condenser tube cleaning apparatus |
| US20210396482A1 (en) * | 2018-07-27 | 2021-12-23 | Guangzhou Marton Environmental Technology Co., Ltd. | Heat exchanger end cover integrated with rubber ball cleaning apparatus |
| US11965703B2 (en) * | 2018-07-27 | 2024-04-23 | Guangzhou Marton Environmental Technology Co., Ltd. | Heat exchanger end cover integrated with rubber ball cleaning apparatus |
| WO2021051415A1 (en) * | 2019-09-20 | 2021-03-25 | 深圳市勤达富流体机电设备有限公司 | Differential pressure dynamic structure |
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| Publication number | Publication date |
|---|---|
| JP3164882B2 (en) | 2001-05-14 |
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