JP2000337790A - Cooling tower snow melting equipment - Google Patents

Cooling tower snow melting equipment

Info

Publication number
JP2000337790A
JP2000337790A JP11142901A JP14290199A JP2000337790A JP 2000337790 A JP2000337790 A JP 2000337790A JP 11142901 A JP11142901 A JP 11142901A JP 14290199 A JP14290199 A JP 14290199A JP 2000337790 A JP2000337790 A JP 2000337790A
Authority
JP
Japan
Prior art keywords
water
fan
cooling tower
cooling
tower
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
Application number
JP11142901A
Other languages
Japanese (ja)
Inventor
Hiroshi Otsuka
洋 大塚
Hideaki Ishida
秀昭 石田
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co 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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Priority to JP11142901A priority Critical patent/JP2000337790A/en
Publication of JP2000337790A publication Critical patent/JP2000337790A/en
Pending legal-status Critical Current

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Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent snow accumulation on a fan or in a cooling tower when the fan is stopped by providing a sprinkler above the fan and sprinkling water over the fan at the time of stopping the fan. SOLUTION: Firstly, the freezing of cooling water is prevented by making the water to flow a little by fully opening a valve 15 and slightly opening valves 16 and 17. Air is sucked in a cooling tower 1 through a vent hole by rotating a fan 7 and discharged from the top of the tower 1 through a filler material 4. At the same time, water is sprinkled over the filler material 4 from a main distributor 5 by operating a pump 9. When the sprinkled cooling water drops onto the material 4, the water is cooled by blown-up air, collected in a water storage tank 8, and sent to a heat exchanger 10 by the pump 9. Then the water is heated through the heat exchange with water to be cooled and again sprinkled from the distributor 5. Therefore, snowing on the fan 7 or in devices incorporated in the cooling tower 1 can be prevented. Since the sprinkler used for sprinkling the cooling water is enabled to supply the cooling water to a sprinkler provided on the cooling tower 1, a snow-melting system becomes simpler.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、寒冷地に設置され
た冷却塔の融雪装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snow melting device for a cooling tower installed in a cold region.

【0002】[0002]

【従来の技術】図3は冷却塔の構成の一例を示す。冷却
塔1は四角柱の塔体2よりなり、柱と水平材により骨組
みを構成し、外面をパネルで覆っている。塔体2の下部
は全面通風口3となっており、この上に充填材4が配置
されている。充填材4の上方には散水管5が配置され、
充填材4に散水する。散水管5の上方にはドリフトエリ
ミネータ6が設けられている。塔体2の頂部には、円筒
状のファンケーシング7aが設けられ、この中にファン
7が設けられている。
2. Description of the Related Art FIG. 3 shows an example of the configuration of a cooling tower. The cooling tower 1 is composed of a rectangular column 2 and has a frame composed of columns and horizontal members, and the outer surface is covered with panels. The lower part of the tower 2 is a ventilation hole 3 on the entire surface, on which a filler 4 is disposed. A watering pipe 5 is arranged above the filler 4,
Sprinkle water on the filler 4. A drift eliminator 6 is provided above the water sprinkling pipe 5. At the top of the tower 2, a cylindrical fan casing 7a is provided, in which the fan 7 is provided.

【0003】冷却塔1の下面には貯水槽8が設けられ、
散水された冷却水を収集する。貯水槽8の冷却水を汲み
出すポンプ9が設けられ、冷却水を熱交換器10に送り
出す。熱交換器10ではこの冷却水で被冷却水を冷却
し、加熱された冷却水を散水管5に送り出す。
[0003] A water storage tank 8 is provided on the lower surface of the cooling tower 1.
Collect the sprayed cooling water. A pump 9 for pumping cooling water from the water storage tank 8 is provided, and sends the cooling water to the heat exchanger 10. The heat exchanger 10 cools the water to be cooled with the cooling water, and sends out the heated cooling water to the water sprinkling pipe 5.

【0004】かかる冷却塔を積雪地帯に設置した場合、
積雪対策が必要になる。降雪中であってもファン7を稼
働していれば、雪は冷却塔内には入らない。ファン7停
止時は、ファン7および塔内のドリフトエリミネータ6
に積雪する。ファン7に雪が積もると、直径が大きいた
め回転できなくなる。またドリフトエリミネータ6に積
雪すると、装置稼働の際に通風できなくなる。このた
め、冷却塔1の運転を停止する場合、ファンケーシング
7aの頂部にパネルを敷き詰め、雪が冷却塔内に入らな
いようにしている。
When such a cooling tower is installed in a snowy area,
Snow cover measures are required. If the fan 7 is operating even during snowfall, snow will not enter the cooling tower. When the fan 7 stops, the fan 7 and the drift eliminator 6 in the tower
Snow. When snow accumulates on the fan 7, the fan cannot rotate because of its large diameter. Also, if snow drifts on the drift eliminator 6, the ventilation becomes impossible during the operation of the apparatus. Therefore, when the operation of the cooling tower 1 is stopped, a panel is laid on the top of the fan casing 7a to prevent snow from entering the cooling tower.

【0005】[0005]

【発明が解決しようとする課題】冷却塔1を停止する場
合、半日とか一日程度の短期停止を行なう場合がある。
この度に、ファンケーシング7aの頂部をパネルで覆
い、運転開始時に撤去するには、高所で作業であり、か
なりの工数と作業時間がかかっていた。
When the cooling tower 1 is shut down, a short stop of about half a day or one day may be performed.
Each time, to cover the top of the fan casing 7a with a panel and remove it at the start of operation, it is a work at a high place, and it takes considerable man-hours and work time.

【0006】本発明は上述の問題に鑑みてなされたもの
で、ファン停止時にファンや冷却塔内部の積雪を防止す
る融雪装置を提供することを目的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a snow melting device that prevents snow from accumulating in a fan or a cooling tower when the fan stops.

【0007】[0007]

【課題を解決するための手段】上記目的を達成するた
め、請求項1の発明では、頂部にファンを有する冷却塔
において、前記ファンの上方に散水装置を設け、ファン
停止時ファンに散水するようにする。
In order to achieve the above object, according to the first aspect of the present invention, in a cooling tower having a fan at the top, a water sprinkling device is provided above the fan so that water is sprinkled to the fan when the fan is stopped. To

【0008】ファン停止時、散水装置でファンの上方か
ら散水することにより、ファンやこの下方の塔内装置に
散水されるので、これらに落下してきた雪は融けて散水
とともに流れてしまい、積雪を防止することができる。
When the fan is stopped, water is sprayed from above the fan by the water spraying device, so that water is sprayed to the fan and the device inside the tower below the fan. Can be prevented.

【0009】請求項2の発明では、下部に通風口を有
し、この通風口より上方に主散水装置が配置され、頂部
にファンを有し、主散水装置からの散水を通風により冷
却する冷却塔において、ファンの上方にファンに散水す
る副散水装置を設け、主散水装置への給水管を分岐して
副散水装置に給水するようにし、ファン停止時ファンに
散水するようにする。
According to the second aspect of the present invention, the cooling device has a ventilation hole at a lower portion, a main water sprinkling device is disposed above the ventilation hole, a fan at a top portion, and cools water sprayed from the main watering device by ventilation. In the tower, a sub-watering device for watering the fan is provided above the fan, a water supply pipe to the main watering device is branched to supply water to the sub-watering device, and water is supplied to the fan when the fan is stopped.

【0010】ファン停止中に副散水装置よりファンおよ
び塔内装置に散水することにより、これらへの積雪を防
止できる。主散水装置に供給される冷却水は外気温度よ
り高温であり、この高温の冷却水を副散水装置より散水
することにより、落下してくる雪を効果的に融かすこと
ができる。
[0010] By spraying water from the auxiliary watering device to the fan and the device in the tower while the fan is stopped, snow accumulation on these can be prevented. The cooling water supplied to the main watering device is higher in temperature than the outside air temperature. By spraying the high-temperature cooling water from the sub watering device, falling snow can be effectively melted.

【0011】[0011]

【発明の実施の形態】以下、本発明の実施形態について
図面を参照して説明する。図1は本発明の実施形態の冷
却塔の融雪装置を示す。図2は図1のX−X断面図であ
る。なお、図3で用いた符号と同一符号は同一の内容の
ものを示す。図1において、冷却塔1は四角柱の塔体2
よりなる。塔体2は柱と水平材により骨組みを構成し、
外面をパネルで覆っている。塔体2の下部は全面通風口
3となっており、この上に充填材4が配置されている。
充填材4は塩化ビニル樹脂等の合成樹脂で構成され、後
述する主散水管5からの散水を整流し、ファン7によっ
て吸引される空気との接触面積を広げる働きをする。充
填材4の上方には主散水管(主散水装置)5が配置さ
れ、充填材4に散水する。主散水管5の上方にはドリフ
トエリミネータ6が設けられている。ドリフトエリミネ
ータ6は網目状の構造で通風口3より吸い込まれた空気
を整流する。塔体2の頂部には、塔体2の四角形に内接
する直径のファンケーシング7aが設けられ、この中に
ファン7が設けられており、通風口3より吸い込んだ空
気を上方に排出する。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a snow melting apparatus for a cooling tower according to an embodiment of the present invention. FIG. 2 is a sectional view taken along line XX of FIG. The same reference numerals as those used in FIG. 3 indicate the same contents. In FIG. 1, a cooling tower 1 is a square column 2
Consisting of The tower body 2 forms a framework with columns and horizontal members,
The outer surface is covered with panels. The lower part of the tower 2 is a ventilation hole 3 on the entire surface, on which a filler 4 is disposed.
The filler 4 is made of a synthetic resin such as a vinyl chloride resin, and functions to rectify water spray from a main water spray pipe 5 described later and to increase a contact area with air sucked by the fan 7. A main watering pipe (main watering device) 5 is disposed above the filler 4, and water is sprayed on the filler 4. A drift eliminator 6 is provided above the main watering pipe 5. The drift eliminator 6 has a mesh structure and rectifies the air sucked from the ventilation port 3. At the top of the tower 2, a fan casing 7a having a diameter inscribed in the square of the tower 2 is provided, and a fan 7 is provided therein. The fan 7 discharges the air sucked from the ventilation port 3 upward.

【0012】冷却塔1の下面には貯水槽8が設けられ、
散水された冷却水が流れ込むようになっている。貯水槽
8の冷却水を汲み出すポンプ9が設けられ、冷却水を熱
交換器10に送り出す。熱交換器10ではこの冷却水で
被冷却水を冷却し、加熱された冷却水を送り出す。ファ
ンケーシング7aの頂部でファン7の上部には、図2に
示すように、リング状に副散水管(副散水装置)11が
設けられ、間隔を置いてスプレーノズル11aが下部に
取付けられている。なお、副散水管11の配置を放射状
にしてもよい。熱交換器10からは、主散水管5に接続
する主散水管ライン12、副散水管11に接続する副散
水管ライン13、貯水槽8に戻る戻りライン14が設け
られ、それぞれ弁15、16、17が設けられている。
なお、各ライン12、13、14および副散水管には凍
結しても解氷できるよう蒸気で加熱するスチームトレー
サが設けられている。
On the lower surface of the cooling tower 1, a water storage tank 8 is provided.
The sprinkled cooling water flows in. A pump 9 for pumping cooling water from the water storage tank 8 is provided, and sends the cooling water to the heat exchanger 10. The heat exchanger 10 cools the water to be cooled with the cooling water and sends out the heated cooling water. As shown in FIG. 2, a sub-water sprinkling pipe (sub-watering device) 11 is provided on the top of the fan 7 at the top of the fan casing 7a, and the spray nozzle 11a is attached to the lower part at intervals. . In addition, the arrangement of the sub sprinkler pipe 11 may be radial. From the heat exchanger 10, a main sprinkler pipe line 12 connected to the main sprinkler pipe 5, a sub sprinkler pipe line 13 connected to the sub sprinkler pipe 11, and a return line 14 returning to the water storage tank 8 are provided. , 17 are provided.
Each of the lines 12, 13, and 14 and the sub-sprinkler pipe are provided with a steam tracer that is heated by steam so that the ice can be thawed even when frozen.

【0013】冷却塔1稼働時の動作について説明する。
先ず、弁15を全開とし、弁16、弁17は僅かに開い
て冷却水を少量流し凍結しないようにする。ファン7を
回転して通風口より空気を吸引し充填材4を通過して頂
部より排出する。これとともにポンプ9を稼働して主散
水管5より充填材4に散水する。散水された冷却水は充
填材4中を落下してゆくとき、吹き上げてくる空気によ
り冷却され、さらに貯水槽8まで落下中に冷却されて貯
水槽8に収集され、ポンプ9により熱交換器10に入
り、被冷却水と熱交換して加熱され、再び主散水管5よ
り散水される。
The operation during operation of the cooling tower 1 will be described.
First, the valve 15 is fully opened, and the valves 16 and 17 are slightly opened so that a small amount of cooling water flows to prevent freezing. The fan 7 is rotated to suck air from the ventilation port, pass through the filler 4 and discharge from the top. At the same time, the pump 9 is operated to sprinkle water from the main sprinkling pipe 5 onto the filler 4. The sprinkled cooling water is cooled by the blowing air as it falls through the filler 4, further cooled while falling to the water storage tank 8, collected in the water storage tank 8, and the heat exchanger 10 by the pump 9. , And is heated by exchanging heat with the water to be cooled, and is again sprinkled from the main sprinkling pipe 5.

【0014】次に冷却塔1を半日とか1日という短期間
停止する場合の動作について説明する。弁15は僅かに
開いて冷却水が凍結しない程度流れるようにし、弁1
6、17は全開する。この両弁16、17を全開した場
合、副散水管ライン13にはファン7とドリフトエリミ
ネータ5の積雪を防止するのに必要な流量が流れ、残り
の流量は戻りライン14に流れるような、弁および配管
寸法となっている。ポンプ9を稼働することにより、副
散水管11よりファン7とドリフトエリミネータ5に散
水されて、これらへの積雪を防止し、落下して貯水槽8
に収集される。また大部分の冷却水は戻りライン14よ
り貯水槽8に戻される。
Next, the operation when the cooling tower 1 is stopped for a short period of time such as half a day or one day will be described. The valve 15 is slightly opened to allow the cooling water to flow so as not to freeze.
6 and 17 are fully opened. When both of the valves 16 and 17 are fully opened, a flow required to prevent snow accumulation of the fan 7 and the drift eliminator 5 flows in the sub-sprinkler line 13, and the remaining flow flows to the return line 14. And piping dimensions. By operating the pump 9, water is sprinkled from the sub-sprinkler pipe 11 to the fan 7 and the drift eliminator 5, preventing snow from being applied to these, and falling to the water tank 8.
Will be collected. Most of the cooling water is returned to the water storage tank 8 through the return line 14.

【0015】なお、冷却塔1を長期停止する場合は、フ
ァンケーシング7aの頂部をパネルで覆い、塔内に雪が
入るのを防止する。
When the cooling tower 1 is stopped for a long time, the top of the fan casing 7a is covered with a panel to prevent snow from entering the tower.

【0016】[0016]

【発明の効果】以上の説明より明らかなように、本発明
は、ファンの上部に散水装置を設け、ファン停止時、散
水するようにしたので、ファンや塔内部装置への積雪を
防止することができる。この散水装置に冷却塔に設けら
れた散水装置への冷却水を供給できるようにしたので装
置が簡単となる。
As is apparent from the above description, according to the present invention, a water sprinkling device is provided above a fan and water is sprinkled when the fan is stopped. Can be. Since the cooling water can be supplied to the sprinkler provided in the cooling tower, the sprinkler can be simplified.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施形態の冷却塔融雪装置を示す図で
ある。
FIG. 1 is a diagram showing a cooling tower snow melting apparatus according to an embodiment of the present invention.

【図2】図1のX−X断面図である。FIG. 2 is a sectional view taken along line XX of FIG.

【図3】従来の冷却塔を示す図である。FIG. 3 is a diagram showing a conventional cooling tower.

【符号の説明】[Explanation of symbols]

1 冷却塔 2 塔体 3 通風口 4 充填材 5 主散水管 6 ドリフトエリミネータ 7 ファン 7a ファンケーシング 8 貯水槽 9 ポンプ 10 熱交換器 11 副散水管 11a スプレーノズル 12 主散水管ライン 13 副散水管ライン 14 戻りライン 15,16,17 弁 DESCRIPTION OF SYMBOLS 1 Cooling tower 2 Tower 3 Ventilation port 4 Filler 5 Main water sprinkling pipe 6 Drift eliminator 7 Fan 7a Fan casing 8 Water storage tank 9 Pump 10 Heat exchanger 11 Sub water sprinkling pipe 11a Spray nozzle 12 Main water sprinkling line 12 Sub water sprinkling line 14 Return line 15, 16, 17 valve

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 頂部にファンを有する冷却塔において、
前記ファンの上方に散水装置を設け、ファン停止時ファ
ンに散水するようにしたことを特徴とする冷却塔の融雪
装置。
1. A cooling tower having a fan at the top,
A water spraying device is provided above the fan, and water is sprayed to the fan when the fan is stopped.
【請求項2】 下部に通風口を有し、この通風口より上
方に主散水装置が配置され、頂部にファンを有し、主散
水装置からの散水を通風により冷却する冷却塔におい
て、ファンの上方にファンに散水する副散水装置を設
け、主散水装置への給水管を分岐して副散水装置に給水
するようにし、ファン停止時ファンに散水するようにし
たことを特徴とする冷却塔の融雪装置。
2. A cooling tower having a ventilation port at a lower portion, a main sprinkler disposed above the ventilation port, a fan at the top, and cooling the sprinkling water from the main sprinkler by ventilation. The cooling tower is provided with a sub-sprinkler for spraying water to the fan, a water supply pipe to the main sprinkler is branched to supply water to the sub-sprinkler, and water is sprayed to the fan when the fan is stopped. Snow melting equipment.
JP11142901A 1999-05-24 1999-05-24 Cooling tower snow melting equipment Pending JP2000337790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11142901A JP2000337790A (en) 1999-05-24 1999-05-24 Cooling tower snow melting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11142901A JP2000337790A (en) 1999-05-24 1999-05-24 Cooling tower snow melting equipment

Publications (1)

Publication Number Publication Date
JP2000337790A true JP2000337790A (en) 2000-12-08

Family

ID=15326247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11142901A Pending JP2000337790A (en) 1999-05-24 1999-05-24 Cooling tower snow melting equipment

Country Status (1)

Country Link
JP (1) JP2000337790A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840278B1 (en) * 2007-04-25 2008-06-20 주식회사 포스코 Ice removal device of cooling tower fan
WO2011044801A1 (en) * 2009-10-12 2011-04-21 Liu Qiuke Complete set of heat source tower heat pump using solar energy secondary source
CN101281001B (en) * 2008-05-23 2011-05-04 刘秋克 Closed type heat source tower
JP2012237466A (en) * 2011-05-10 2012-12-06 Panasonic Corp Water spray jet device and water spray cooling system using the same
CN105318462A (en) * 2014-07-02 2016-02-10 刘秋克 Integrated device with static haze treating, freezing defogging, purifying and heat supplying functions

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840278B1 (en) * 2007-04-25 2008-06-20 주식회사 포스코 Ice removal device of cooling tower fan
CN101281001B (en) * 2008-05-23 2011-05-04 刘秋克 Closed type heat source tower
WO2011044801A1 (en) * 2009-10-12 2011-04-21 Liu Qiuke Complete set of heat source tower heat pump using solar energy secondary source
JP2012237466A (en) * 2011-05-10 2012-12-06 Panasonic Corp Water spray jet device and water spray cooling system using the same
CN105318462A (en) * 2014-07-02 2016-02-10 刘秋克 Integrated device with static haze treating, freezing defogging, purifying and heat supplying functions
CN105318462B (en) * 2014-07-02 2018-06-29 湖南三合能水汽热泵有限公司 Electrostatic controls haze freezing demisting purification heat supply all-in-one machine

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