JPH0327280B2 - - Google Patents
Info
- Publication number
- JPH0327280B2 JPH0327280B2 JP25535988A JP25535988A JPH0327280B2 JP H0327280 B2 JPH0327280 B2 JP H0327280B2 JP 25535988 A JP25535988 A JP 25535988A JP 25535988 A JP25535988 A JP 25535988A JP H0327280 B2 JPH0327280 B2 JP H0327280B2
- Authority
- JP
- Japan
- Prior art keywords
- ozone
- pool
- pipe
- water
- supply 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
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 238000000354 decomposition reaction Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims 1
- 238000005273 aeration Methods 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Description
【発明の詳細な説明】
『産業上の利用分野』
本発明はプール用水のオゾン処理装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an ozone treatment device for pool water.
『従来の技術』
従来、プール用水をオゾンと接触させて細菌・
有機物の分解等の処理を行なう装置として、第２
図に示したごとき装置が提案されている。``Conventional technology'' Conventionally, pool water was brought into contact with ozone to remove bacteria and
As a device for processing such as decomposition of organic matter, the second
A device as shown in the figure has been proposed.
すなわち、この従来装置はプール１の取水口１
ａと該プール１の外に配したフイルター槽２の流
入口２ａとを取水管Ｒ１で連結し、該取水管Ｒ１
の途中には循環ポンプ３を介在せしめる。そし
て、フイルター槽２の吐出し口２ｂに一端を連結
した導管Ｒ３の他端はオゾン曝気槽１０の流入口
１０ａに連結する。 That is, this conventional device has water intake port 1 of pool 1.
A and the inlet 2a of the filter tank 2 arranged outside the pool 1 are connected by a water intake pipe R1, and the water intake pipe R1
A circulation pump 3 is interposed in the middle. One end of the conduit R3 is connected to the discharge port 2b of the filter tank 2, and the other end of the conduit R3 is connected to the inlet 10a of the ozone aeration tank 10.
上記オゾン曝気槽１０は、槽内に所定量の循環
水を滞留せしめるよう構成され、底部にはオゾナ
イザー４から供送されるオゾンを散気する散気板
１１を収納して、該散気板１１より散気したオゾ
ンは槽内にに滞留する循環水中を気泡となつて通
過して循環水とオゾンとが接触するようになして
ある。なお、循環水と接触した排オゾン曝気槽１
０の上部に配した排気口１０ｃよりオゾン分解室
１２を通つて大気中に排気されるようになつてい
る。 The ozone aeration tank 10 is configured to retain a predetermined amount of circulating water in the tank, and houses an aeration plate 11 at the bottom for aerating the ozone supplied from the ozonizer 4. The ozone diffused from the tank 11 passes through the circulating water remaining in the tank in the form of bubbles, so that the circulating water and ozone come into contact with each other. In addition, the exhaust ozone aeration tank 1 that came into contact with the circulating water
The ozone decomposition chamber 12 is discharged into the atmosphere from an exhaust port 10c arranged at the upper part of the ozone decomposition chamber 12.
また、上記オゾン曝気槽１０の流出口１０ｂ
は、オゾン分解槽１３の流入口１３ａに導管Ｒ４
で連結される。このオゾン分解槽１３内には活性
炭Ｃが充填され、オゾン曝気槽１０でオゾンと接
触しオゾンを溶解した循環水は該活性炭Ｃと接触
して溶解オゾンを分解する。 Moreover, the outlet 10b of the ozone aeration tank 10
The conduit R4 is connected to the inlet 13a of the ozone decomposition tank 13.
are connected. This ozone decomposition tank 13 is filled with activated carbon C, and the circulating water that has come into contact with ozone and dissolved ozone in the ozone aeration tank 10 comes into contact with the activated carbon C and decomposes the dissolved ozone.
さらに、上記オゾン分解槽１３の流出口１３ｂ
には循環路管Ｒ２の一端が連結され、この循環路
管Ｒ２の他端はプール１の循環水注入口１ｂに連
結されている。なお、この循環路管Ｒ２の途中に
は必要に応じてヒータ装置７や塩素注入装置８が
連結されるものである。 Furthermore, the outlet 13b of the ozone decomposition tank 13
is connected to one end of a circulation pipe R2, and the other end of this circulation pipe R2 is connected to the circulating water inlet 1b of the pool 1. Note that a heater device 7 and a chlorine injection device 8 are connected to the middle of the circulation pipe R2 as necessary.
『従来の技術』
しかし、上記従来の装置は循環水は満足に殺菌
できるが、常時運転を継続したとしてもプール１
の壁面にスライムと称する殺菌と有機物及び殺菌
が分解した無機物との層が付着することは防止で
きないという欠点を有することが知られている。``Prior art'' However, although the conventional device described above can satisfactorily sterilize the circulating water, even if it is continuously operated, the pool 1
It is known that it has the disadvantage that it is impossible to prevent a layer of sterilization, organic matter, and inorganic matter from which the sterilization has decomposed, called slime, from adhering to the wall surface of the sterilization system.
『目的』
そこで本発明は上記欠点に鑑み、循環水のみな
らず、適時プール中に滞留する滞留水までも殺菌
してプール壁面へのスライムの付着を防止できる
プール用水のオゾン処理装置を提供することを目
的としたものである。[Objective] In view of the above-mentioned drawbacks, the present invention provides an ozone treatment device for pool water that can sterilize not only the circulating water but also the stagnant water that remains in the pool at appropriate times to prevent slime from adhering to the pool wall surface. It is intended for this purpose.
『問題点を解決するための手段』
上記の目的に沿い、先述特許請求の範囲を要旨
とする本発明の構成は前述問題点を解決するため
に、プール１の取水口１ａと該プール１の外に配
したフイルター槽２の流入口２ａとを取水管Ｒ１
で連結し、
上記取水管Ｒ１の途中には循環ポンプ３を介在
せしめるとともに、途中に流量調整具９を介した
第一オゾン供送管４ａを連結し、
上記フイルター槽２の吐出し口２ｂとプール１
の循環水注入口１ｂとを循環路管Ｒ２で連結し、
この循環路管Ｒ２の途中には活性炭Ｃを充填した
オゾン反応兼オゾン分解槽５を介在せしめて、
さらに、上記オゾン反応兼オゾン分解槽５より
下流側の循環路管Ｒ２には、途中に流量調整具９
を介した第二オゾン供送管４ｂを連結してなる技
術的手段を講じたものである。"Means for Solving the Problems" In line with the above-mentioned object, the configuration of the present invention, the gist of which is defined in the preceding claims, is to solve the above-mentioned problems by connecting the water intake port 1a of the pool 1 and the water intake port 1a of the pool 1. The inlet 2a of the filter tank 2 arranged outside and the water intake pipe R1
A circulation pump 3 is interposed in the middle of the water intake pipe R1, and a first ozone supply pipe 4a is connected through a flow rate regulator 9 in the middle, and the discharge port 2b of the filter tank 2 and pool 1
The circulating water inlet 1b is connected to the circulating water inlet 1b by a circulating pipe R2,
An ozone reaction/ozone decomposition tank 5 filled with activated carbon C is interposed in the middle of the circulation pipe R2, and a flow rate Adjustment tool 9
A technical measure is taken in which the second ozone supply pipe 4b is connected via the ozone supply pipe 4b.
『作用』
それ故本発明プール用水のオゾン処理装置は、
プール使用中は、流量調整具９の調整により主と
して第一オゾン供送管４ａよりオゾンを循環水中
に混入して、第二オゾン供送管４ｂよりのオゾン
混入は停止するがこの量を低減せしめておく。す
なわち、使用中のプール用水に高濃度のオゾンが
混入することはあまり望ましくなく、従来の研究
結果では反応兼オゾン分解槽５より吐出される還
流２中のオゾン濃度は0.01ppm以下となすことが
望ましいとされている。したがつて、この状態で
の運転はプール用水は循環ポンプ３により取水管
Ｒ１とフイルター槽２とを経てオゾン反応兼オゾ
ン分解槽５へ供送されるが、この際に第一オゾン
供送管４ａより混入したオゾンは循環水と接触
し、オゾン反応兼オゾン分解槽５内で該循環水を
殺菌し、混入する有機物を酸化分解する。この、
殺菌及び有機物の分解はオゾンの酸化力によるも
のであるが、オゾンが分解して発生する発生期の
酸素が酸化の多くを担つているともされている。
そして、このオゾン反応兼オゾン分解槽５より吐
出した循環水は殺菌と有機物の分解と溶解オゾン
の分解とがなされ清水となつて循環路管Ｒ２を通
つてプール１に還流される。``Function'' Therefore, the pool water ozone treatment device of the present invention has the following features:
While the pool is in use, by adjusting the flow rate regulator 9, ozone is mainly mixed into the circulating water from the first ozone supply pipe 4a, and ozone mixing from the second ozone supply pipe 4b is stopped, but this amount is reduced. I'll keep it. In other words, it is not very desirable for high concentrations of ozone to be mixed into pool water during use, and conventional research results suggest that the ozone concentration in the reflux 2 discharged from the reaction/ozone decomposition tank 5 should be 0.01 ppm or less. considered desirable. Therefore, in operation in this state, pool water is supplied to the ozone reaction/ozone decomposition tank 5 by the circulation pump 3 via the water intake pipe R1 and the filter tank 2, but at this time, the first ozone supply pipe The ozone mixed in from 4a contacts the circulating water, sterilizes the circulating water in the ozone reaction/ozone decomposition tank 5, and oxidizes and decomposes the mixed organic matter. this,
Sterilization and decomposition of organic matter are due to the oxidizing power of ozone, but it is also said that nascent oxygen generated by ozone decomposition is responsible for much of the oxidation.
The circulating water discharged from the ozone reaction/ozone decomposition tank 5 is sterilized, decomposed of organic matter, and dissolved ozone, and is returned to the pool 1 through the circulation pipe R2 as fresh water.
また、夜間等のプール休止時には、流量調整具
９の調整により主として第二オゾン供送管４ｂよ
りオゾンを循環水中に混入して、第一オゾン供送
管４ａよりオゾン混入は停止するかその量を低減
せしめる。すると循環路管Ｒ２内を還流中の還流
水乃至はプール１に滞留するプール用水のオゾン
濃度が高まりプール壁面にスライムが付着するの
を防止する作用を呈するものである。 In addition, when the pool is closed such as at night, ozone is mainly mixed into the circulating water from the second ozone supply pipe 4b by adjusting the flow rate regulator 9, and the amount of ozone mixed in from the first ozone supply pipe 4a is stopped. Reduces Then, the ozone concentration of the return water flowing back through the circulation pipe R2 or the pool water staying in the pool 1 increases, and this serves to prevent slime from adhering to the pool wall surface.
『実施例』
次に、本発明の実施例を添付図面に従つて説明
すれば以下の通りである。"Embodiments" Next, embodiments of the present invention will be described below with reference to the accompanying drawings.
図中、１はプール、２は該プール１の外に配し
たフイルター槽で、これらは従来公知なものが利
用できる。そして、該プール１の取水口１ａと該
プール１の外に配したフイルター槽２の流入口２
ａとを取水管Ｒ１で連結するのも従来と同じであ
る。 In the figure, 1 is a pool, and 2 is a filter tank placed outside the pool 1, and conventionally known filters can be used for these. The water intake port 1a of the pool 1 and the inlet port 2 of the filter tank 2 arranged outside the pool 1.
It is also the same as in the conventional case that the water intake pipe R1 is connected to the water intake pipe R1.
そして、本発明は上記取水管Ｒ１の途中には循
環ポンプ３を介在せしめるとともに、途中に流量
調整具９を介した第一オゾン供送管４ａを連結し
てある。この第一オゾン供送管４ａは一端を従来
公知なオゾナイザー４の吐出し口に連結し他端部
を直接取水管Ｒ１に連結するか、先端に取水管Ｒ
１内に配した、図示しない、ノズルまたは散気板
を連結してなるものでオゾンを取水管Ｒ１内を流
れる循環水中に気泡として混入するようになして
ある。そしてこのオゾンは微細な気泡として循環
水に混入することが望ましく、このためには小径
なノズルや散気板を使用することが有利である。
なお上記第一オゾン供送管４ａの連結位置は取水
管Ｒ１の適宜位置でよいが、循環ポンプ３の入口
側となすと該循環ポンプ３が撹拌機として作用し
オゾン気泡を撹拌微細化できて望ましいが、しか
し循環ポンプ３よりあまりに上流側であると、微
細な気泡として混入したオゾンが集合して大きな
気泡となつて循環ポンプ３に流入し、ポンプ３の
移送機能に支障を生ずることもあるため、循環ポ
ンプ３のケーシング内を含め該循環ポンプ３直上
流部位とすることがより望ましい。なお、第１図
に破線で示すごとくこの第一オゾン供送管４ａは
該循環ポンプ３より下流側に連結しても無論差し
支えはない。 In the present invention, a circulation pump 3 is interposed in the middle of the water intake pipe R1, and a first ozone supply pipe 4a is connected to the water intake pipe R1 via a flow rate regulator 9 in the middle. This first ozone supply pipe 4a has one end connected to the discharge port of the conventionally known ozonizer 4 and the other end directly connected to the water intake pipe R1, or the first ozone supply pipe 4a is connected to the water intake pipe R1 at the tip.
1, which is formed by connecting nozzles or air diffusers (not shown), so that ozone is mixed in the circulating water flowing through the water intake pipe R1 as air bubbles. It is desirable that this ozone be mixed into the circulating water as fine bubbles, and for this purpose it is advantageous to use small-diameter nozzles and air diffusers.
The connection position of the first ozone supply pipe 4a may be any suitable position of the water intake pipe R1, but if it is connected to the inlet side of the circulation pump 3, the circulation pump 3 acts as a stirrer and the ozone bubbles can be stirred and made fine. This is desirable, but if it is located too far upstream from the circulation pump 3, the ozone mixed in as fine bubbles may collect and form large bubbles that flow into the circulation pump 3, which may impede the transfer function of the pump 3. Therefore, it is more desirable to set the position immediately upstream of the circulation pump 3, including the inside of the casing of the circulation pump 3. Note that, as shown by the broken line in FIG. 1, the first ozone supply pipe 4a may of course be connected downstream of the circulation pump 3.
そして、上記フイルター槽２の吐出し口２ｂと
プール１の循環水注入口１ｂとを循環路管Ｒ２で
連結し、この循環路管Ｒ２の途中には活性炭Ｃを
充填したオゾン反応兼オゾン分解槽５を介在せし
めてある。この活性炭Ｃは、吸収能を有してフイ
ルター槽２で捕集されなかつた細菌等を含む微細
な有機物は該活性炭に吸着される。また、活性炭
Ｃはオゾンが接触すると触媒として該オゾンを分
解する機能をも有することが知られており、オゾ
ンが分解して発生した発生期の酸素は強い酸化力
を有し、この酸素は該活性炭Ｃに吸着した有機物
を酸化分解するものである。 The discharge port 2b of the filter tank 2 and the circulating water inlet 1b of the pool 1 are connected by a circulation pipe R2, and an ozone reaction/ozone decomposition tank filled with activated carbon C is located in the middle of the circulation pipe R2. 5 is interposed. This activated carbon C has an absorption ability, and fine organic matter including bacteria and the like that is not collected by the filter tank 2 is adsorbed onto the activated carbon. In addition, activated carbon C is known to have the function of decomposing ozone as a catalyst when it comes into contact with it, and the nascent oxygen generated by ozone decomposition has strong oxidizing power, and this oxygen This method oxidizes and decomposes organic substances adsorbed on activated carbon C.
そしてさらに、上記オゾン反応兼オゾン分解槽
５より下流側の循環路管Ｒ２には、途中に流量調
整具９を介した第二オゾン供送管４ｂを連結して
なる。この第二オゾン供送管４ｂの流量調整具９
は、図示例では第一オゾン供送管４ａの流量調整
具９とともに夫々別個に流量を調整できる流量調
整バルブを使用しているが、図示例とはことな
り、両流量調整具９，９を一つの三方切換え弁で
構成してオゾナイザー４の吐出し口が第一オゾン
供送管４ａと第二オゾン供送管４ｂとの連通を切
換えるようになしてもよいものであり、さらに、
これらの流量調整具は、適宜設定されたプログラ
ムによつて経時的に自動調整されるようになして
もよいのは無論である。 Furthermore, a second ozone supply pipe 4b is connected to the circulation pipe R2 on the downstream side of the ozone reaction/ozone decomposition tank 5 via a flow rate regulator 9 in the middle. Flow rate regulator 9 of this second ozone supply pipe 4b
In the illustrated example, a flow rate adjusting valve that can separately adjust the flow rate is used together with the flow rate adjusting device 9 of the first ozone supply pipe 4a, but unlike the illustrated example, both flow rate adjusting devices 9, 9 are used. It may be configured with one three-way switching valve so that the discharge port of the ozonizer 4 switches communication between the first ozone supply pipe 4a and the second ozone supply pipe 4b, and further,
Of course, these flow rate regulators may be automatically adjusted over time according to an appropriately set program.
なお、図中、６はコンプレツサー、７はヒータ
装置、８は塩素注入装置を示すもので、このヒー
タ装置７と塩素注入装置８とは必要に応じて循環
路管Ｒ２の途中に配置されるものである。また、
Ｎ１，Ｎ２はオゾン濃度計を示すもので、オゾン
濃度計Ｎ１は取水管Ｒ１に、オゾン濃度計Ｎ２は
オゾン反応兼オゾン分解槽５より下流側の循環路
管Ｒ２に配されてなり、オゾン濃度計Ｎ２の測定
値が所定値以下となつたり、オゾン濃度計Ｎ１の
測定値との差が一定以上となると、フイルター槽
２の目詰まりと判断して、フイルターの逆洗・交
換の時期を表示したり、オゾナイザー４の出力を
あげるように制御するための出力信号として、あ
るいは上記流量調整具９，９を駆動するための制
御信号として利用するものである。 In the figure, 6 is a compressor, 7 is a heater device, and 8 is a chlorine injection device, and the heater device 7 and chlorine injection device 8 are arranged in the middle of the circulation pipe R2 as necessary. It is. Also,
N1 and N2 indicate ozone concentration meters; the ozone concentration meter N1 is placed in the water intake pipe R1, and the ozone concentration meter N2 is placed in the circulation pipe R2 downstream of the ozone reaction/ozone decomposition tank 5. When the measured value of the total N2 falls below a predetermined value or the difference with the measured value of the ozone concentration meter N1 exceeds a certain level, it is determined that the filter tank 2 is clogged, and the time for backwashing and replacing the filter is displayed. It is used as an output signal for controlling to increase the output of the ozonizer 4, or as a control signal for driving the flow rate regulators 9, 9.
『発明の効果』
本発明は上記のごときであるので、流量調整具
９によりプール使用時は循環水を主としてオゾン
殺菌し、プールへの還流はオゾン反応兼オゾン分
解槽５を経てオゾン濃度を低くすることができ、
プール使用休止はプールへの還流中のオゾン濃度
を高めて、プール１の壁面にスライムが付着する
のを防止したプール用水のオゾン処理装置を提供
することができるものである。[Effects of the Invention] Since the present invention is as described above, when the pool is used, the flow rate regulator 9 mainly sterilizes the circulating water with ozone, and the return to the pool passes through the ozone reaction/ozone decomposition tank 5 to reduce the ozone concentration. can,
Suspension of use of the pool increases the ozone concentration in the flow back to the pool, thereby making it possible to provide an ozone treatment device for pool water that prevents slime from adhering to the wall surface of the pool 1.
第１図は本発明プール用水のオゾン処理装置の
一実施例を示す正面図、第２図は従来例正面図で
ある。
１〜プール、１ａ〜取水口、２〜フイルター
槽、２ａ〜流入口、３〜循環ポンプ、４ａ〜第一
オゾン供送管、４ｂ〜第二オゾン供送管４ｂ、５
〜オゾン反応兼オゾン分解槽、Ｒ１〜取水管、Ｒ
２〜循環路管。
FIG. 1 is a front view showing an embodiment of the pool water ozone treatment apparatus of the present invention, and FIG. 2 is a front view of a conventional example. 1 - pool, 1a - water intake, 2 - filter tank, 2a - inlet, 3 - circulation pump, 4a - first ozone supply pipe, 4b - second ozone supply pipe 4b, 5
~ Ozone reaction and ozone decomposition tank, R1 ~ Water intake pipe, R
2 ~ Circulation pipe.
Claims (1)
したフイルター槽２の流入口２ａとを取水管Ｒ１
で連結し、 上記取水管Ｒ１の途中には循環ポンプ３を介在
せしめるとともに、途中に流量調整具９を介した
第一オゾン供送管４ａを連結し、 上記フイルター槽２の吐出し口２ｂとプール１
の循環水注入口１ｂとを循環路管Ｒ２で連結し、
この循環路管Ｒ２の途中には活性炭Ｃを充填した
オゾン反応兼オゾン分解槽５を介在せしめ、 さらに、上記オゾン反応兼オゾン分解槽５より
下流側の循環路管Ｒ２には、途中に流量調整具９
を介した第二オゾン供送管４ｂを連結してなるプ
ール用水のオゾン処理装置。[Claims] 1. The water intake port 1a of the pool 1, the inlet port 2a of the filter tank 2 arranged outside the pool 1, and the water intake pipe R1.
A circulation pump 3 is interposed in the middle of the water intake pipe R1, and a first ozone supply pipe 4a is connected through a flow rate regulator 9 in the middle, and the discharge port 2b of the filter tank 2 and pool 1
The circulating water inlet 1b is connected to the circulating water inlet 1b by a circulating pipe R2,
An ozone reaction/ozone decomposition tank 5 filled with activated carbon C is interposed in the middle of the circulation pipe R2, and a flow rate is adjusted in the middle of the circulation pipe R2 on the downstream side of the ozone reaction/ozone decomposition tank 5. Ingredients 9
An ozone treatment device for pool water, which is formed by connecting a second ozone supply pipe 4b via a second ozone supply pipe 4b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25535988A JPH02102790A (en) | 1988-10-11 | 1988-10-11 | Apparatus for treating pool water with ozone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25535988A JPH02102790A (en) | 1988-10-11 | 1988-10-11 | Apparatus for treating pool water with ozone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02102790A JPH02102790A (en) | 1990-04-16 |
| JPH0327280B2 true JPH0327280B2 (en) | 1991-04-15 |
Family
ID=17277683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25535988A Granted JPH02102790A (en) | 1988-10-11 | 1988-10-11 | Apparatus for treating pool water with ozone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02102790A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04110192U (en) * | 1991-03-12 | 1992-09-24 | 東急車輛製造株式会社 | Ozone contact reaction tower |
| US6348113B1 (en) | 1998-11-25 | 2002-02-19 | Cabot Corporation | High purity tantalum, products containing the same, and methods of making the same |
| JP4819538B2 (en) * | 2006-03-20 | 2011-11-24 | 富士通株式会社 | Electronics |
-
1988
- 1988-10-11 JP JP25535988A patent/JPH02102790A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02102790A (en) | 1990-04-16 |
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