JPH0827157B2 - Automatic blower for cooling tower - Google Patents
Automatic blower for cooling towerInfo
- Publication number
- JPH0827157B2 JPH0827157B2 JP63054667A JP5466788A JPH0827157B2 JP H0827157 B2 JPH0827157 B2 JP H0827157B2 JP 63054667 A JP63054667 A JP 63054667A JP 5466788 A JP5466788 A JP 5466788A JP H0827157 B2 JPH0827157 B2 JP H0827157B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- water level
- sensor
- conductivity
- water tank
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 147
- 239000000498 cooling water Substances 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 description 9
- 230000007423 decrease Effects 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F2025/005—Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、冷房装置の冷却塔に取り付けられる冷却塔
の自動ブロー装置に関するものである。TECHNICAL FIELD The present invention relates to an automatic blower for a cooling tower attached to a cooling tower of a cooling device.
冷房装置等の冷却塔は、冷却水の蒸発によりその冷却
水の水温を下げる機能を有することから、該冷却水中の
塩類濃度が高くなる。この塩類濃度が高くなると配管や
熱交換器にスケールが発生付着し、種々のトラブルが発
生する。A cooling tower such as a cooling device has a function of lowering the temperature of the cooling water by evaporating the cooling water, so that the salt concentration in the cooling water becomes high. When the salt concentration becomes high, scale is generated and adheres to the pipes and heat exchangers, causing various troubles.
そこで従来冷却水中の塩類濃度が高くなったことを検
知して、該冷却水中に自動的に水を補給して該冷却水中
の塩類濃度を低く設定値以下に抑えることができる冷却
塔の自動ブロー装置が開発されている。Therefore, it is possible to detect an increase in the salt concentration in the conventional cooling water and automatically replenish the cooling water with water so that the salt concentration in the cooling water can be kept low to a set value or less. The device is being developed.
第３図はこのような従来の冷却塔の自動ブロー装置を
示す図である。FIG. 3 is a view showing such a conventional automatic blowing device for a cooling tower.
同図に示すように、冷却塔１上部には、散水装置７が
配置されており、冷却水ポンプ５によって配管に送られ
冷房装置により暖まった冷却水はこの散水装置７から水
槽３内に散水される。そしてこの散布水をファン９によ
って通風される空気によって気化、冷却している。As shown in the figure, a sprinkler 7 is arranged above the cooling tower 1, and the cooling water sent to the pipe by the cooling water pump 5 and warmed by the cooling device is sprinkled from the sprinkler 7 into the water tank 3. To be done. And this sprayed water is vaporized and cooled by the air ventilated by the fan 9.
一方冷却水中の塩類濃度は、水槽３内に浸漬した導電
率センサ11の複数電極間の電気抵抗、即ち導電率によっ
て測定・検知する。そしてこの導電率が予め設定した値
以上に上昇した場合、制御部13によって補給水配管15中
に設けた自動開閉弁17を開け、前記水槽３内に給水し、
該水槽３内の冷却水を希釈するとともに、該水槽３内の
濃縮した冷却水を、水槽３の所定位置に設けたオーバー
フロー管19からフローする。そして前記導電率センサ11
で検出する導電率が低下すると、前記制御部13によって
自動開閉弁17を閉じ、補給水の補給を止める。On the other hand, the salt concentration in the cooling water is measured and detected by the electric resistance between the plurality of electrodes of the conductivity sensor 11 immersed in the water tank 3, that is, the conductivity. When the conductivity increases above a preset value, the controller 13 opens the automatic opening / closing valve 17 provided in the makeup water pipe 15 to supply water to the water tank 3.
The cooling water in the water tank 3 is diluted, and the concentrated cooling water in the water tank 3 flows from an overflow pipe 19 provided at a predetermined position in the water tank 3. And the conductivity sensor 11
When the conductivity detected in step 1 is lowered, the control part 13 closes the automatic open / close valve 17 to stop the replenishment water supply.
一方冷却塔１の水槽３内には、導電率センサ11を常に
冷却水の中に浸漬させておくため、水面保持用のボール
タップ21が取り付けられている。このボールタップ21は
前記補給水配管15の分岐管15′の先端に取り付けられて
いる。On the other hand, in the water tank 3 of the cooling tower 1, a ball tap 21 for holding the water surface is attached so that the conductivity sensor 11 is always immersed in the cooling water. The ball tap 21 is attached to the tip of the branch pipe 15 'of the makeup water pipe 15.
しかしながらこのボールタップ21は機械式である為、
作動不良を起こすことが多く、このため補給水が補給さ
れず、導電率センサ11が水槽３内の冷却水中から露出す
ることがあり、このため冷却水中の塩類濃度を制御でき
ないという問題点があった。However, since this ball tap 21 is mechanical,
There is a problem in that the malfunction often occurs, so that the supplementary water is not replenished and the conductivity sensor 11 is exposed from the cooling water in the water tank 3, so that the salt concentration in the cooling water cannot be controlled. It was
また補給水が著しく低下した場合には、冷却水ポンプ
５の吸い込み揚程の低下により、キャビテーションが生
じ、冷却水ポンプ５による冷却水の送水量が減少する不
具合も生じるという問題点もあった。Further, when the make-up water significantly decreases, there is also a problem that cavitation occurs due to a decrease in suction head of the cooling water pump 5 and the amount of cooling water sent by the cooling water pump 5 decreases.
本発明は上述の点に鑑みてなされたものであり、ボー
ルタップを使用しなくても水槽内の冷却水の水面が保持
できるようにした冷却塔の自動ブロー装置を提供するこ
とを目的とする。The present invention has been made in view of the above points, and an object of the present invention is to provide an automatic blowing device for a cooling tower that can hold the surface of cooling water in a water tank without using a ball tap.
上記問題点を解決するため本発明は、冷却塔の自動ブ
ロー装置を、第１図に示すように、冷却塔１の下部の水
槽３内の所定位置に取り付け冷却水の導電率を電気信号
として検出する導電率センサ11と、冷却水の水位を検出
する水位センサ23と、前記水槽３内に水を補給する水補
給装置25とを具備し、前記導電率センサ11で検出した導
電率が所定値以上となったら制御部13からの出力信号に
より前記水補給装置25を作動して水槽３に水を補給する
と共に水槽３内の水位が所定の水位以下となったら前記
水補給装置25を作動して水槽３内に水を補給する冷却塔
の自動ブロー装置において、図２に示すように、水位セ
ンサ23は所定の水位を電気信号として検出する構造に構
成され、且つ該水位センサ23は導電率センサ11に一体に
組み込まれて水槽３内に取り付けられるとともに、該水
位センサ23の水位検出位置30は導電率センサ11を設置し
た位置よりも高い位置に設置され、さらに水位センサ23
からの検出信号を制御部13で処理して水槽３内の水位が
水位検出位置30以下であることを検出したら導電率セン
サ11の出力に優先して水補給装置25を作動して水槽３内
に水を補給する手段を設けて構成した。In order to solve the above problems, the present invention mounts an automatic blowing device for a cooling tower at a predetermined position in a water tank 3 below the cooling tower 1 as shown in FIG. A conductivity sensor 11 for detecting, a water level sensor 23 for detecting the water level of cooling water, and a water replenishing device 25 for replenishing water in the water tank 3 are provided, and the conductivity detected by the conductivity sensor 11 is predetermined. When the value exceeds the value, the water replenishing device 25 is operated by the output signal from the control unit 13 to replenish the water in the water tank 3, and the water replenishing device 25 is operated when the water level in the water tank 3 is below a predetermined water level. In an automatic blower for a cooling tower that replenishes water in the water tank 3, as shown in FIG. 2, the water level sensor 23 is configured to detect a predetermined water level as an electric signal, and the water level sensor 23 is electrically conductive. Built in the rate sensor 11 and installed in the water tank 3. With attached, the water level detection position 30 of the water level sensor 23 is disposed at a position higher than the position established conductivity sensor 11, further water level sensor 23
When the control unit 13 processes the detection signal from the water tank 3 and detects that the water level in the water tank 3 is equal to or lower than the water level detection position 30, the water replenishing device 25 is activated to give priority to the output of the conductivity sensor 11 and the water tank 3 inside. It was constructed by providing means for replenishing water.
本発明は上記の如く冷却塔１の自動ブロー装置を構成
したので、水位センサ23は電気的信号として検出するセ
ンサなので、従来の機械式のように故障による作動不良
を起こすことが少なく、このため導電率センサ11が冷却
水中から露出することはなくその水面が保持でき、この
ため常に冷却水中の塩類濃度を所望の値以下に抑えるこ
とができる。Since the present invention has configured the automatic blower for the cooling tower 1 as described above, since the water level sensor 23 is a sensor that detects it as an electrical signal, it is unlikely to cause a malfunction due to a failure unlike the conventional mechanical type, and for this reason The conductivity sensor 11 is not exposed from the cooling water and the surface of the water can be held, so that the salt concentration in the cooling water can be constantly suppressed to a desired value or less.
また、本発明によれば、導電率制御のための水補給装
置を、同時に水槽内の水位保持用の水補給装置として使
用できるので、ボールタップ機構を省くことが可能とな
り、水槽内の配管レイアウトが簡易となる。Further, according to the present invention, since the water replenishing device for conductivity control can be used as a water replenishing device for maintaining the water level in the water tank at the same time, the ball tap mechanism can be omitted, and the layout of the piping in the water tank can be reduced. It will be simple.
以下本発明の一実施例を図面を用いて詳細に説明す
る。An embodiment of the present invention will be described in detail below with reference to the drawings.
第１図は、本発明に係る冷却塔の自動ブロー装置を示
す図である。FIG. 1 is a diagram showing an automatic blowing device for a cooling tower according to the present invention.
なお同図に示す冷却塔１の水槽３と冷却水ポンプ５と
散水装置７とファン９とオーバーフロー管19は、前記従
来例と同じものである。The water tank 3, the cooling water pump 5, the sprinkler 7, the fan 9 and the overflow pipe 19 of the cooling tower 1 shown in FIG.
本発明に係る自動ブロー装置は、水位を電気信号とし
て検出する水位センサ23を導電率センサ11に組み込み、
該水位センサ23からの検出信号を制御部13で処理し、水
位センサ23が所定水位以下を検出したら、導電率センサ
11の出力に優先して自動開閉弁17を強制的に開とし、補
給水配管15から水槽３内に水を補給するように構成して
いる。なお制御部13はマイクロコンピュータを具備する
構成とし、導電率センサ11の出力処理、水位センサ23の
出力処理、及び上記制御をソフト的に行なってもよい。The automatic blower according to the present invention incorporates a water level sensor 23 that detects a water level as an electric signal into the conductivity sensor 11,
When the control unit 13 processes the detection signal from the water level sensor 23 and the water level sensor 23 detects a predetermined water level or less, the conductivity sensor
The automatic open / close valve 17 is forcibly opened in preference to the output of 11 to replenish water into the water tank 3 from the makeup water pipe 15. The control unit 13 may be configured to include a microcomputer, and the output processing of the conductivity sensor 11, the output processing of the water level sensor 23, and the above control may be performed by software.
第２図はこの水位センサ23を組み込んだ導電率センサ
11を示す一部断面図である。FIG. 2 shows a conductivity sensor incorporating the water level sensor 23.
FIG. 12 is a partial cross-sectional view showing 11.
同図に示すように、このセンサは、棒状のセンサ部31
の外部にパイプ33を配置し、該パイプ33の上部をナット
35に固定し、該ナット35にねじ37を螺合し、さらに該ね
じ37の上部からリード線39を導出するように構成されて
いる。As shown in the figure, this sensor has a rod-shaped sensor unit 31.
Place the pipe 33 on the outside of the
It is configured so that it is fixed to 35, a screw 37 is screwed into the nut 35, and a lead wire 39 is led out from the upper portion of the screw 37.
このセンサ部31の下部には、マイナス電極となる導電
率センサ電極11bとプラス電極となる導電率センサ電極1
1aとマイナス電極となる導電率センサ電極11cをそれぞ
れ塩化ビニール31aを挟んで取り付けることによって導
電率センサ11が構成され、また該導電率センサ電極11b
の上側と導電率センサ電極11cの下側にそれぞれ塩化ビ
ニール31aを挟んで水位センサ電極23a,23bを取り付ける
ことによって水位センサ23が構成されている。Below the sensor portion 31, the conductivity sensor electrode 11b serving as a minus electrode and the conductivity sensor electrode 1 serving as a plus electrode are provided.
The conductivity sensor 11 is configured by attaching the conductivity sensor electrodes 11a serving as the negative electrode and the negative electrode 11c with the vinyl chloride 31a sandwiched therebetween, and the conductivity sensor electrode 11b.
The water level sensor 23 is configured by attaching the water level sensor electrodes 23a and 23b on both the upper side and the lower side of the conductivity sensor electrode 11c with the vinyl chloride 31a interposed therebetween.
そして冷却水が水位センサ電極23a,23bの両者に触れ
る位置が水位センサ23の水位検出位置30となる。The position where the cooling water comes into contact with both the water level sensor electrodes 23a and 23b is the water level detection position 30 of the water level sensor 23.
制御部13は第１図に示すように、導電率センサ11と水
位センサ23からの検出信号から、補給水配管15の途中に
取り付けた自動開閉弁17を制御する。As shown in FIG. 1, the control unit 13 controls an automatic opening / closing valve 17 installed in the middle of the makeup water pipe 15 based on the detection signals from the conductivity sensor 11 and the water level sensor 23.
この補給水配管15には、前記第３図に示すような分岐
管15′は取り付けられていない。The branch pipe 15 'as shown in FIG. 3 is not attached to the makeup water pipe 15.
ここでこの補給水配管15と自動開閉弁17によって水補
給装置25を構成する。Here, the makeup water pipe 15 and the automatic opening / closing valve 17 constitute a water supplement device 25.
つぎにこの冷却塔の自動ブロー装置の動作を説明す
る。Next, the operation of the automatic blower for the cooling tower will be described.
まず水槽３内の冷却水中に浸漬した導電率センサ11の
複数電極11a,11b,11c（第２図参照）間の電気抵抗即ち
導電率によって、冷却水中の塩類濃度の上昇を測定・検
知する。そしてこの導電率が予め設定した値以上に上昇
した場合は、制御部13によって補給水配管15中に設けた
自動開閉弁17を開け、補給水を前記水槽３内に給水し、
該水槽３内の冷却水を希釈するとともに、該水槽３内の
濃縮した冷却水を、水槽３の所定位置に設けたオーバー
フロー管19からフローする。First, the increase in the salt concentration in the cooling water is measured and detected by the electric resistance, that is, the electric conductivity between the plurality of electrodes 11a, 11b, 11c (see FIG. 2) of the conductivity sensor 11 immersed in the cooling water in the water tank 3. When the conductivity increases above a preset value, the control unit 13 opens the automatic opening / closing valve 17 provided in the makeup water pipe 15 to supply makeup water into the water tank 3.
The cooling water in the water tank 3 is diluted, and the concentrated cooling water in the water tank 3 flows from an overflow pipe 19 provided at a predetermined position in the water tank 3.
次に補給水の補給によって導電率センサ11で検出する
導電率が低下すると、前記制御部13によって自動開閉弁
17を閉じ、補給水の補給を停止する。Next, when the conductivity detected by the conductivity sensor 11 decreases due to the supply of makeup water, the control unit 13 automatically opens and closes the valve.
Close 17 and stop replenishing water supply.
一方水槽３内の冷却水の水位が低下し、該水位が前記
水位センサ23の水位検出位置30（第２図参照）よりも低
下した場合は、たとえ導電率が所定値以下であったとし
ても、制御部13によって補給水配管15中に設けた自動開
閉弁17を開け、冷却水の水面が前記水位センサ23の水位
検出位置30になるまで補給水を水槽３内に給水する。On the other hand, if the water level of the cooling water in the water tank 3 is lowered and the water level is lower than the water level detection position 30 (see FIG. 2) of the water level sensor 23, even if the conductivity is below a predetermined value. The control unit 13 opens the automatic opening / closing valve 17 provided in the makeup water pipe 15, and supplies makeup water into the water tank 3 until the surface of the cooling water reaches the water level detection position 30 of the water level sensor 23.
従って導電率センサ11は必ず冷却水内に浸漬された状
態となり、冷却水の導電率が測定できる。Therefore, the conductivity sensor 11 is always immersed in the cooling water, and the conductivity of the cooling water can be measured.
以上本発明を一実施例に基づいて説明したが、本発明
は上記実施例に限定されるものではなく、本発明の範囲
で種々の変形が可能であることは言うまでもない。Although the present invention has been described above based on the embodiment, it is needless to say that the present invention is not limited to the above embodiment and various modifications can be made within the scope of the present invention.
例えば水補給装置25も上記構成に限定されるものでは
なく、制御部13によりポンプを起動し水を補給するよう
に構成してもよい。For example, the water replenishing device 25 is not limited to the above configuration, and the control unit 13 may start the pump to replenish the water.
また、第１図に示す水位センサ23の他に、該水位セン
サ23と並列に、前記第３図に示すような機械式のボール
タップ機構を取り付けてもよい。このように構成すれ
ば、該水位センサ23はボールタップ機構故障時のバック
アップが行なえることとなる。In addition to the water level sensor 23 shown in FIG. 1, a mechanical ball tap mechanism as shown in FIG. 3 may be attached in parallel with the water level sensor 23. With this configuration, the water level sensor 23 can be backed up when the ball tap mechanism fails.
以上詳細に説明したように、本発明にかかる冷却塔の
自動ブロー装置によれば、以下のような優れた効果を奏
する。As described in detail above, the automatic blower for a cooling tower according to the present invention has the following excellent effects.
水位センサは導電率センサに一体に組み込まれて水槽
内に取り付けられると共に、この水位センサの水位検出
位置は導電センサを設置した位置よりも高い位置に設置
されており、且つ水槽内の水位が水位検出位置以下とな
ったら導電率センサの出力に優先して水補給装置を作動
して水槽内に水を補給する構造なので、導電率センサを
水槽内に取り付けた構造であるにもかかわらず、該導電
率センサが冷却水中から露出することはなく常に冷却水
中に浸漬された状態を保持でき、冷却水中の塩類濃度を
設定値以下に抑えることができる。即ちこれによって信
頼性の高い導電率測定と水位保持制御が可能となる。The water level sensor is integrated with the conductivity sensor and installed in the water tank, and the water level detection position of this water level sensor is set higher than the position where the conductivity sensor is installed, and the water level in the water tank is the water level. When the temperature is below the detection position, the water replenishing device is activated to supply water into the water tank by giving priority to the output of the conductivity sensor. The conductivity sensor is not exposed from the cooling water and can always be kept immersed in the cooling water, and the salt concentration in the cooling water can be suppressed to a set value or less. That is, this enables highly reliable conductivity measurement and water level retention control.
水位センサと導電率センサは一体化されて水槽内に取
り付けられるので、その取り付け作業が簡易化されるば
かりか、この水槽に接続する配管のレイアウトが簡易化
され、また水位センサと導電率センサへの配線工事も簡
易化される。Since the water level sensor and conductivity sensor are integrated and installed in the water tank, not only the installation work is simplified, but the layout of the pipes connected to this water tank is also simplified, and the water level sensor and conductivity sensor Wiring work is also simplified.
水位センサは電気的センサなので、従来の機械式セン
サに比べ、作動不良を起こすことが少なく、水位は略一
定に保たれる。Since the water level sensor is an electrical sensor, it is less likely to cause a malfunction than the conventional mechanical sensor, and the water level is kept substantially constant.
第１図は本発明に係る冷却塔の自動ブロー装置を示す
図、第２図は水位センサ23を組み込んだ導電率センサ11
を示す一部断面図、第３図は従来の冷却塔の自動ブロー
装置を示す図である。 図中、１……冷却塔、３……水槽、11……導電率セン
サ、23……水位センサ、13……制御部、15……補給水配
管、17……自動開閉弁、である。FIG. 1 is a view showing an automatic blowing device for a cooling tower according to the present invention, and FIG. 2 is a conductivity sensor 11 incorporating a water level sensor 23.
FIG. 3 is a partial cross-sectional view showing a conventional automatic blowing device for a cooling tower. In the figure, 1 ... Cooling tower, 3 ... Water tank, 11 ... Conductivity sensor, 23 ... Water level sensor, 13 ... Control part, 15 ... Make-up water pipe, 17 ... Automatic open / close valve.
Claims (1)
け冷却水の導電率を電気信号として検出する導電率セン
サと、冷却水の水位を検出する水位センサと、前記水槽
内に水を補給する水補給装置とを具備し、前記導電率セ
ンサで検出した導電率が所定値以上となったら制御部か
らの出力信号により前記水補給装置を作動して前記水槽
に水を補給すると共に前記水槽内の水位が所定の水位以
下となったら前記水補給装置を作動して前記水槽内に水
を補給する冷却塔の自動ブロー装置において、 前記水位センサは所定の水位を電気信号として検出する
構造に構成され、且つ該水位センサは前記導電率センサ
に一体に組み込まれて水槽内に取り付けられるととも
に、該水位センサの水位検出位置は導電率センサを設置
した位置よりも高い位置に設置され、 さらに前記水位センサからの検出信号を前記制御部で処
理して水槽内の水位が水位検出位置以下であることを検
出したら前記導電率センサの出力に優先して水補給装置
を作動して水槽内に水を補給する手段を設けたことを特
徴とする冷却塔の自動ブロー装置。1. A conductivity sensor attached at a predetermined position in a water tank below a cooling tower to detect the conductivity of cooling water as an electric signal, a water level sensor to detect the water level of the cooling water, and water in the water tank. A water replenishing device for replenishing the water, and when the conductivity detected by the conductivity sensor becomes a predetermined value or more, the water replenishing device is operated by an output signal from the control unit to replenish the water tank with water. In an automatic blowing device of a cooling tower that operates the water replenishing device to replenish water in the water tank when the water level in the water tank becomes equal to or lower than a predetermined water level, the water level sensor detects a predetermined water level as an electric signal In addition, the water level sensor is integrated with the conductivity sensor and installed in the water tank, and the water level detection position of the water level sensor is set higher than the position where the conductivity sensor is installed. When the detection signal from the water level sensor is further processed by the control unit and it is detected that the water level in the water tank is below the water level detection position, the water replenishing device is activated in preference to the output of the conductivity sensor. An automatic blowing device for a cooling tower, characterized in that means for replenishing water in the water tank is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63054667A JPH0827157B2 (en) | 1988-03-08 | 1988-03-08 | Automatic blower for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63054667A JPH0827157B2 (en) | 1988-03-08 | 1988-03-08 | Automatic blower for cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01230997A JPH01230997A (en) | 1989-09-14 |
| JPH0827157B2 true JPH0827157B2 (en) | 1996-03-21 |
Family
ID=12977129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63054667A Expired - Lifetime JPH0827157B2 (en) | 1988-03-08 | 1988-03-08 | Automatic blower for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0827157B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5604129B2 (en) * | 2010-02-09 | 2014-10-08 | アクアス株式会社 | Cooling tower chemical injection device |
| JP6431356B2 (en) * | 2014-12-11 | 2018-11-28 | 株式会社関電工 | Method and apparatus for supplying cooling water for cooling tower of oil-feed water-cooled transformer |
| CN105758225A (en) * | 2016-04-19 | 2016-07-13 | 上海浪超电子电器有限公司太仓分公司 | Fin type water cooling radiator with liquid level alarm reminding function |
| JP7710384B2 (en) * | 2022-02-17 | 2025-07-18 | 三菱重工業株式会社 | monitoring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59142396A (en) * | 1983-02-03 | 1984-08-15 | Fujita Corp | Water quality controlling device for circulating water for air-conditioning equipment |
-
1988
- 1988-03-08 JP JP63054667A patent/JPH0827157B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01230997A (en) | 1989-09-14 |
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