JPH0478913B2 - - Google Patents
Info
- Publication number
- JPH0478913B2 JPH0478913B2 JP58231016A JP23101683A JPH0478913B2 JP H0478913 B2 JPH0478913 B2 JP H0478913B2 JP 58231016 A JP58231016 A JP 58231016A JP 23101683 A JP23101683 A JP 23101683A JP H0478913 B2 JPH0478913 B2 JP H0478913B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling tower
- water
- white smoke
- load
- pipe
- 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 claims description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000000779 smoke Substances 0.000 claims description 36
- 230000002265 prevention Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000008400 supply water Substances 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003303 reheating Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/16—Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Particles Using Liquids (AREA)
Description
【発明の詳細な説明】
本発明は、冷却塔の白煙発生を抑制する方法に
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for suppressing white smoke generation in a cooling tower.
冷却塔の白煙防止に具体的な試みがなされたの
は1960年にATLANTIC RICHFIEXD CO.、の
冷却塔から高速道路に白煙がたなびき交通障害を
生じたのがきつかけであると言われている。これ
まで、冷却塔白煙の低減または抑制の対策とし
て、その白煙の直接原因を除去しようとする面か
ら、(1)冷却塔排気の再熱、(2)冷却塔排気の不飽和
化、(3)原理的に白煙が発生しない冷却塔の使用、
といつた提案がなされている。 A concrete attempt was made to prevent white smoke from cooling towers in 1960, when white smoke from ATLANTIC RICHFIEXD CO.'s cooling towers trailed onto expressways and caused traffic problems. There is. Up until now, measures to reduce or suppress cooling tower white smoke have included (1) reheating of cooling tower exhaust, (2) unsaturation of cooling tower exhaust, and attempts to eliminate the direct cause of the white smoke. (3) Use of cooling towers that, in principle, do not generate white smoke;
Proposals have been made.
(1)の冷却塔排気の再熱は、フアンスタツク内で
LPGやLNGを直接燃焼させて排気を加熱したり、
冷却塔内上部にスチームや温水を通す熱交換器を
設置して排気を加熱する方法と、冷却塔に送られ
てくる散水前の温水を排気通路に設置された熱交
換器に通水して排気を加熱する方法などがよく知
られている。しかし、いづれにしても、この白煙
防止または抑制のために外部熱源を必要としたり
熱交換器を設置したりするので設備費用が増大す
るという問題があり、既設の運転中の冷却塔に対
してその構造を改変することなく白煙発生を防止
しようとするには無理がある。 (1) Reheating of the cooling tower exhaust air is carried out in the fan stack.
Direct combustion of LPG or LNG to heat the exhaust gas,
One method is to install a heat exchanger that passes steam or hot water in the upper part of the cooling tower to heat the exhaust gas, and the other is to heat the exhaust air by passing hot water sent to the cooling tower before sprinkling through a heat exchanger installed in the exhaust passage. Methods of heating exhaust gas are well known. However, in any case, there is a problem in that equipment costs increase because an external heat source is required or a heat exchanger is installed to prevent or suppress this white smoke. It is unreasonable to try to prevent white smoke from occurring without modifying its structure.
(2)の冷却塔排気の不飽和化は、例えばマルチセ
ル冷却塔を冬期において熱負荷が減少した状態で
も全セル運転して排気の増湿と加湿を防ぐ方法、
凝集沈降促進剤を白煙中に散布する方法、音波凝
縮を利用する方法、電気集塵器を利用する方法、
フアンスタツクに全熱交換器を取りつける方法な
どが知られている。しかし、これも設備費用や運
転費用が嵩み、しかもその割には効果が薄く、ア
イデアの域をでないものもある。 (2) Unsaturation of the cooling tower exhaust air can be achieved by, for example, operating a multi-cell cooling tower in all cells even when the heat load is reduced in winter to prevent increased humidity and humidification of the exhaust gas;
Methods of dispersing coagulation and sedimentation accelerator into white smoke, methods of using sonic condensation, methods of using electrostatic precipitators,
A known method is to attach a total heat exchanger to a fan stack. However, this also requires high equipment and operating costs, and is relatively ineffective, leaving some ideas as little more than ideas.
また、(3)は乾式冷却塔や乾湿混成冷却塔を使用
するものであるが、設備費用が大きくなり冷却容
量の問題が付随する。 In addition, (3) uses a dry type cooling tower or a dry/wet mixed cooling tower, but the equipment cost increases and there are problems with cooling capacity.
本発明は従来提案された以上のような各種の白
煙防止方式の問題の解決を目的としたもので、既
設の塔構造はそのままにして、水配管系に改善を
加えるだけで白煙発生条件時に白煙発生を抑制す
る運転ができるようにした冷却塔を提供するもの
である。以下に図面に従つて本発明を具体的に説
明する。 The present invention is aimed at solving the problems of the various white smoke prevention methods proposed in the past.The present invention is aimed at solving the problems of various white smoke prevention methods as described above. The purpose of the present invention is to provide a cooling tower that can be operated to suppress the generation of white smoke at times. The present invention will be specifically described below with reference to the drawings.
第１図は、負荷１で加温された水を冷却塔２で
冷却し、この冷却された水をポンプ３によつて負
荷１に循環するようにした水配管系において、負
荷１をバイパスする管路４を設け、冷却塔２への
入口水温検出計５と外気湿球温度検出計６の検出
値に従つて該バイパス管路４を経て冷却塔２に戻
る水量を制御するようにした本発明の冷却塔の白
煙抑制装置の機器配置を示している。 Figure 1 shows a water piping system in which water heated by load 1 is cooled by cooling tower 2, and this cooled water is circulated to load 1 by pump 3, in which load 1 is bypassed. A pipe 4 is provided, and the amount of water returning to the cooling tower 2 via the bypass pipe 4 is controlled according to the detected values of an inlet water temperature detector 5 and an outside air wet bulb temperature detector 6 to the cooling tower 2. The equipment arrangement of the cooling tower white smoke suppression device of the invention is shown.
本例では冷却塔２から負荷１への往管７と負荷
１から冷却塔２への還管８とを連結するバイパス
管４は、ポンプ３の吸込側での往管７に接続点９
をもつており、このバイパス管４には、別途設け
たブースタポンプ１０によつて冷却塔２の水槽の
冷却水１１が供給されるようにしてある。そして
このブースタポンプ１０を介装する管路１２とバ
イパス管４との接続点を挟んだバイパス管４の両
側には制御弁Ａと制御弁Ｂが介装してある。ま
た、接続点９より上流側の往管７には切替弁ａ
が、管路１２のブースタポンプ１０吸込側には切
替弁ｂが介装してある。 In this example, the bypass pipe 4 connecting the outgoing pipe 7 from the cooling tower 2 to the load 1 and the return pipe 8 from the load 1 to the cooling tower 2 is connected to the outgoing pipe 7 on the suction side of the pump 3 at a connection point 9.
Cooling water 11 from a water tank of the cooling tower 2 is supplied to the bypass pipe 4 by a booster pump 10 provided separately. A control valve A and a control valve B are interposed on both sides of the bypass pipe 4 across the connection point between the pipe line 12 and the bypass pipe 4, in which the booster pump 10 is interposed. In addition, the outgoing pipe 7 on the upstream side of the connection point 9 has a switching valve a.
However, a switching valve b is interposed on the suction side of the booster pump 10 of the conduit 12.
そして、このバイパス管４と平行して、第２バ
イパス管１３が往管７と還管８との間に設けられ
ている。この第２バイパス管１３の往管７側での
接続点１４はバイパス管４の接続点９とポンプ３
との間にある。この第２バイパス管１３には制御
弁Ｃが、そしてバイパス管４と第２バイパス管１
３の間の還管８には制御弁Ｄが介装してある。さ
らに、還管８には、制御弁Ｄを迂回しかつバイパ
ス管４と第２バイパス管１３の接続点を迂回する
連通管１５が設けてあり、この連通管１５には切
替弁ｃが、そしてこの連通管１５と分岐する還管
８の分岐点下流側に切替弁ｄが介装してある。 A second bypass pipe 13 is provided in parallel with this bypass pipe 4 between the outgoing pipe 7 and the return pipe 8. The connection point 14 of this second bypass pipe 13 on the outgoing pipe 7 side is the connection point 9 of the bypass pipe 4 and the pump 3
It is between. This second bypass pipe 13 has a control valve C, and the bypass pipe 4 and the second bypass pipe 1
A control valve D is interposed in the return pipe 8 between 3 and 3. Further, the return pipe 8 is provided with a communication pipe 15 that bypasses the control valve D and the connection point between the bypass pipe 4 and the second bypass pipe 13, and this communication pipe 15 has a switching valve c and A switching valve d is interposed downstream of the branch point of the return pipe 8 that branches from the communication pipe 15.
一方、冷却塔２の散水装置１６に入る前の管路
に冷却塔入口水温検出計５が取付けられ、負荷１
に入る前の管路に負荷入口水温検出計１８が取付
けられ、また外気湿球温度検出計６が冷却塔２の
近傍に設置されている。 On the other hand, a cooling tower inlet water temperature detector 5 is attached to the pipe line before entering the water sprinkler 16 of the cooling tower 2, and the load 1
A load inlet water temperature detector 18 is attached to the pipe before entering the cooling tower 2, and an outside air wet bulb temperature detector 6 is installed near the cooling tower 2.
以上のように構成した水配管系に対して、冷却
塔入口制御ループと負荷側供給水温制御ループと
の二系列の制御系を設ける。冷却塔入口水温制御
ループは、冷却塔入口水温検出計５、変換器X1、
調節計TC1、プロポシヨニングリレーPR1及び
PR2、制御弁ＢおよびＤの操作部B′およびD′から
なつている。また負荷側供給水温制御ループは、
負荷入口水温検出計１８、変換器X2、調節計
TC2、プロポシヨニングリレーPR3とPR4、制御
弁ＡおよびＣの操作部A′およびC′からなつてい
る。そして、平常運転と白煙防止運転とを切り換
える切換器２０が設けられている。 For the water piping system configured as described above, two control systems are provided: a cooling tower inlet control loop and a load side supply water temperature control loop. The cooling tower inlet water temperature control loop includes a cooling tower inlet water temperature detector 5, a converter X 1 ,
Controller TC 1 , Propositioning Relay PR 1 and
PR 2 , consisting of actuating parts B' and D' of control valves B and D. In addition, the load side supply water temperature control loop is
Load inlet water temperature detector 18, converter x 2 , controller
It consists of TC 2 , propor- tioning relays PR 3 and PR 4 , and operation parts A' and C' for control valves A and C. A switch 20 is provided to switch between normal operation and white smoke prevention operation.
この制御系のフローの例を第２図に示した。以
下にこの制御を説明する。本システムは、冷却水
循環系の冷却塔入口水温制御と負荷側供給水温制
御により白煙防止を図るものであり、白煙の発生
しない条件下では平常運転を行い、白煙の発生す
るような外気条件の場合に白煙防止運転に切り換
える。このため、まず平常運転−白煙防止運転の
切換指令（手動または自動）と、現在の運転状態
とを比較判断して平常運転または白煙防止運転の
切換動作に入る。この動作は切換器２０によつて
行い、平常運転の場合には、ブースタポンプ１０
は停止し、制御弁ＡとＢは閉、制御弁ＣとＤは開
に設定して、切替弁ｂとｄは閉、切替弁ａとｃは
開にして運転する。 An example of the flow of this control system is shown in FIG. This control will be explained below. This system aims to prevent white smoke by controlling the water temperature at the cooling tower inlet of the cooling water circulation system and the supply water temperature on the load side.It operates normally under conditions where white smoke does not occur, and when outside air that generates white smoke Switch to white smoke prevention operation under certain conditions. For this reason, first, a switching command (manual or automatic) between normal operation and white smoke prevention operation is compared with the current operating state, and a switching operation between normal operation and white smoke prevention operation is started. This operation is performed by the switching device 20, and in the case of normal operation, the booster pump 10
is stopped, control valves A and B are closed, control valves C and D are set to open, switching valves b and d are closed, and switching valves a and c are open.
切換器２０によつて白煙防止運転に切換える場
合には、切替弁ｂとｄは開、切替弁ａとｃは閉に
して、各制御弁は所定水温が得られるような開度
に調整しながらブースタポンプ１０を駆動して行
う。すなわち、外気湿球温度を検出器６から切換
器２０に入力し、これに基づいて設計冷却能力を
確保できる冷却塔入口水温を計算（選定）し、こ
れを調節計TC1に出力する。そしてプロポシヨニ
ングリレーPR1及びPR2により、制御弁Ｂおよび
Ｄの操作部B′およびD′を操作して前記の選定水
温が得られるように、制御弁ＢおよびＤの開度を
制御する。換言すれば、バイパス管４を経て低温
の冷却水が還管８の温水に混入する量を制御する
ことにより、冷却塔入口水温を調節し、この冷却
塔入口水温を下げることによつて排気冷却塔出口
空気のエンタルピーを、白煙を防止できる程度に
まで低くするのである。なお、負荷側供給水温も
制御弁ＡとＣの開度調整によつて設定水温が得ら
れるように制御する。この制御はタイマーによつ
てカスケード制御間隔を保持し、平常運転指令が
出れば平常運転へ切換える。なお、この冷却塔入
口水温と負荷側供給水温の弁操作だけによる制御
に加え、冷却塔送風機の台数制御や回転数または
翼ピツチ角制御を併用して所要水温となるように
制御することもできる。 When switching to white smoke prevention operation using the switching device 20, switching valves b and d are opened, switching valves a and c are closed, and each control valve is adjusted to an opening degree that allows a predetermined water temperature to be obtained. This is done by driving the booster pump 10 while doing so. That is, the outside air wet bulb temperature is input from the detector 6 to the switching device 20, and based on this, the cooling tower inlet water temperature that can ensure the designed cooling capacity is calculated (selected) and outputted to the controller TC1 . Then, the openings of control valves B and D are controlled by propor- tioning relays PR 1 and PR 2 so that the operating parts B' and D' of control valves B and D are operated to obtain the above-mentioned selected water temperature. . In other words, by controlling the amount of low-temperature cooling water mixed into the hot water in the return pipe 8 via the bypass pipe 4, the cooling tower inlet water temperature is adjusted, and by lowering the cooling tower inlet water temperature, exhaust cooling is achieved. The enthalpy of the tower outlet air is lowered to the extent that white smoke can be prevented. Note that the load side supply water temperature is also controlled by adjusting the opening degrees of control valves A and C so that a set water temperature is obtained. This control maintains the cascade control interval using a timer, and switches to normal operation when a normal operation command is issued. In addition to controlling the cooling tower inlet water temperature and load side supply water temperature only by operating the valves, it is also possible to control the water temperature to the required temperature by controlling the number of cooling tower blowers and controlling the rotation speed or blade pitch angle. .
第３図は、第１図の例のブースタポンプ１０を
省略した一層簡略な本発明装置の例を示してい
る。第３図の各機器に附した記号は第１図で説明
したものに対応するものであり、第１図の場合と
同様に冷却塔入口水温と負荷側供給水温を選定温
度に制御することができる。本例の場合には、第
１図の例とは異なり、バイパス管４の往管７側で
の接続点９はポンプ３の吐出側に設けてあり、第
１図の切替弁ａ〜ｄに対応する流路切換は必ずし
も必要ではなくなる。したがつて制御形態が簡便
になると共に白煙防止運転時のブースタポンプ運
転動力が不要となつて省エネルギー的に白煙防止
運転が実施できるという利点がある。 FIG. 3 shows a simpler example of the apparatus of the present invention in which the booster pump 10 of the example of FIG. 1 is omitted. The symbols attached to each device in Figure 3 correspond to those explained in Figure 1, and as in the case of Figure 1, the cooling tower inlet water temperature and load side supply water temperature can be controlled to the selected temperature. can. In the case of this example, unlike the example in FIG. 1, the connection point 9 on the outgoing pipe 7 side of the bypass pipe 4 is provided on the discharge side of the pump 3, and the switching valves a to d in FIG. Corresponding flow path switching is no longer necessary. Therefore, there is an advantage that the control form is simplified and the booster pump operating power during the white smoke prevention operation is unnecessary, so that the white smoke prevention operation can be carried out in an energy-saving manner.
このようにして、本発明は、負荷１で加温され
た水を冷却塔２で冷却し、この冷却された水をポ
ンプ３によつて負荷１に循環するようにした水配
管系に負荷１をバイパスする管路４を設け、白煙
が発生する環境時に、バイパス管路４を経て冷却
塔２に戻る水量を操作する白煙防止運転に切換
え、この白煙防止運転時に冷却塔出口空気のエン
タルピーが白煙を防止できる程度にまで低くなる
ように、冷却塔２への入口水温検出計５と外気湿
球温度検出計６の検出値に従つてバイパス管路４
を経る水量を操作して冷却塔に戻る水温を制御す
るものであり、したがつて、冒頭に述べた従来の
冷却塔白煙の防止策とは異なり、水配管系だけの
制御により冷却塔出入口水を混合させ、冷却塔入
口水温を低く抑えることによつて冷却塔出口空気
のエンタルピーを低く制御するという処方により
白煙の発生を抑制するものであるから、塔構造の
改変や増設をおこなわずとも既設の冷却塔の白煙
発生を簡便にして防止できる。 In this way, the present invention cools the water heated by the load 1 in the cooling tower 2 and circulates the cooled water to the load 1 by the pump 3. In an environment where white smoke is generated, a pipe line 4 is provided to bypass the cooling tower 2, and when white smoke is generated, the system switches to a white smoke prevention operation in which the amount of water returning to the cooling tower 2 via the bypass pipe 4 is controlled. In order to reduce the enthalpy to a level that prevents white smoke, the bypass pipe 4 is connected according to the detected values of the inlet water temperature detector 5 and the outside air wet bulb temperature detector 6 to the cooling tower 2.
This method controls the temperature of the water that returns to the cooling tower by manipulating the amount of water that passes through the cooling tower. Therefore, unlike the conventional cooling tower white smoke prevention measures mentioned at the beginning, it controls only the water piping system to control the temperature of the water that returns to the cooling tower. The method suppresses the generation of white smoke by controlling the enthalpy of the air at the cooling tower outlet to a low level by mixing water and keeping the water temperature at the cooling tower inlet low, so there is no need to modify or expand the tower structure. Both can easily prevent the generation of white smoke from existing cooling towers.
第１図は本発明装置の機器配置系統図、第２図
は第１図の水配管系の制御フロー図、第３図は本
発明装置の他の実施例を示す機器配置系統図であ
る。
１……負荷、２……冷却塔、３……ポンプ、４
……バイパス管、５……冷却塔入口水温検出計、
６……外気湿球温度検出計、７……往管、８……
還管、１０……ブースタポンプ、１８……負荷供
給水温検出計、２０……切換器、Ａ〜Ｄ……制御
弁、ａ〜ｄ……切替弁、Ｘ……変換器、TC……
調節計、PR及びPR……プロポシヨニングリレ
ー。
FIG. 1 is an equipment layout system diagram of the apparatus of the present invention, FIG. 2 is a control flow diagram of the water piping system of FIG. 1, and FIG. 3 is an equipment layout system diagram showing another embodiment of the apparatus of the invention. 1...Load, 2...Cooling tower, 3...Pump, 4
...Bypass pipe, 5...Cooling tower inlet water temperature detector,
6... Outside air wet bulb temperature detector, 7... Outgoing pipe, 8...
Return pipe, 10...Booster pump, 18...Load supply water temperature detector, 20...Switcher, A to D...Control valve, a to d...Switching valve, X...Converter, TC...
Controller, PR and PR...propositioning relay.
Claims (1)
この冷却された水をポンプ３によつて負荷１に循
環するようにした水配管系に負荷１をバイパスす
る管路４を設け、白煙が発生する環境時に、該バ
イパス管路４を経て冷却塔２に戻る水量を操作す
る白煙防止運転に切換え、この白煙防止運転にお
いて、冷却塔出口空気のエンタルピーが白煙を防
止できる程度にまで低くなるように、冷却塔２へ
の入口水温検出計５と外気湿球温度検出計６の検
出値に従つて該バイパス管路４を経る水量を操作
して冷却塔に戻る水温を制御することを特徴とす
る冷却塔の白煙発生を抑制する方法。1 Water heated under load 1 is cooled in cooling tower 2,
A water piping system in which this cooled water is circulated to the load 1 by the pump 3 is provided with a pipe 4 that bypasses the load 1, and in an environment where white smoke is generated, the water is cooled through the bypass pipe 4. Switching to white smoke prevention operation in which the amount of water returned to tower 2 is controlled, and in this white smoke prevention operation, the inlet water temperature to cooling tower 2 is detected so that the enthalpy of the cooling tower outlet air is low enough to prevent white smoke. To suppress white smoke generation in a cooling tower, the temperature of water returning to the cooling tower is controlled by manipulating the amount of water passing through the bypass pipe 4 according to the detected values of the total temperature sensor 5 and the outside air wet bulb temperature sensor 6. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58231016A JPS60122890A (en) | 1983-12-07 | 1983-12-07 | Device to suppress white smoke generation at cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58231016A JPS60122890A (en) | 1983-12-07 | 1983-12-07 | Device to suppress white smoke generation at cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60122890A JPS60122890A (en) | 1985-07-01 |
| JPH0478913B2 true JPH0478913B2 (en) | 1992-12-14 |
Family
ID=16916923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58231016A Granted JPS60122890A (en) | 1983-12-07 | 1983-12-07 | Device to suppress white smoke generation at cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60122890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012211712A (en) * | 2011-03-30 | 2012-11-01 | Miura Co Ltd | Liquid cooling system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06100392B2 (en) * | 1987-04-07 | 1994-12-12 | 株式会社荏原製作所 | How to operate the heating tower |
| JPH04122989U (en) * | 1991-04-16 | 1992-11-05 | 日立冷熱株式会社 | cooling tower |
| JP5336268B2 (en) * | 2009-06-09 | 2013-11-06 | 株式会社日立製作所 | Cooling system and cooling method |
| JP5487907B2 (en) * | 2009-11-24 | 2014-05-14 | 三浦工業株式会社 | Water treatment system |
| KR101173297B1 (en) | 2010-03-25 | 2012-08-10 | (주)플라즈마텍 | Cooling tower |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741591U (en) * | 1980-08-22 | 1982-03-06 | ||
| JPS5842596B2 (en) * | 1975-05-07 | 1983-09-20 | ソニー株式会社 | Kogatamo-tayouseiyuushi |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842596U (en) * | 1981-09-10 | 1983-03-22 | 高砂熱学工業株式会社 | cooling tower |
-
1983
- 1983-12-07 JP JP58231016A patent/JPS60122890A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842596B2 (en) * | 1975-05-07 | 1983-09-20 | ソニー株式会社 | Kogatamo-tayouseiyuushi |
| JPS5741591U (en) * | 1980-08-22 | 1982-03-06 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012211712A (en) * | 2011-03-30 | 2012-11-01 | Miura Co Ltd | Liquid cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60122890A (en) | 1985-07-01 |
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