JPS6244800Y2 - - Google Patents
Info
- Publication number
- JPS6244800Y2 JPS6244800Y2 JP1982180549U JP18054982U JPS6244800Y2 JP S6244800 Y2 JPS6244800 Y2 JP S6244800Y2 JP 1982180549 U JP1982180549 U JP 1982180549U JP 18054982 U JP18054982 U JP 18054982U JP S6244800 Y2 JPS6244800 Y2 JP S6244800Y2
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- cathode
- geothermal
- geothermal hot
- storage 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000012535 impurity Substances 0.000 description 11
- 239000013078 crystal Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は地熱発電や地熱暖房など地熱エネルギ
システムに用いられる地熱熱水のスケール除去装
置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a geothermal hot water scale removal device used in geothermal energy systems such as geothermal power generation and geothermal heating.
近年の石油の価格の高騰に伴い、これに代わる
各種エネルギの開発が行われているが、純国産で
あり、燃料代が不要なため最終の発電コストが火
力電力より安いことなどから、地熱が有望な資源
として注目されている。
As the price of oil has soared in recent years, various energy sources are being developed to replace it, but geothermal energy is the most popular because it is purely domestically produced and does not require fuel costs, so the final power generation cost is lower than thermal power. It is attracting attention as a promising resource.
ところで水質の差はあるものの、一般に地熱熱
水は、互いに化学反応して沈澱物を作つたりしや
すい各種の成分を含んでいる。このため従来の地
熱エネルギシステムにおいては、配管等の内面に
スケールが付着することになる。 By the way, although there are differences in water quality, geothermal hot water generally contains various components that tend to chemically react with each other and form precipitates. For this reason, in conventional geothermal energy systems, scale adheres to the inner surfaces of pipes and the like.
〔考案が解決しようとする問題点〕
しかしながら、例えば炭酸カルシウムを主成分
とするこの種のスケールは、地熱エネルギシステ
ムの熱交換器などにおいて、著しくその効率を悪
くするものは勿論であり、延いては寿命低下や損
傷の原因となつている。このように地熱熱水利用
におけるスケールの付着、堆積問題は相当深刻
で、地熱熱水によるスケールの付着、堆積が防止
できる装置の出現が要請されている。[Problems to be solved by the invention] However, this type of scale, which is mainly composed of calcium carbonate, not only significantly reduces the efficiency of heat exchangers in geothermal energy systems, but also This causes shortened service life and damage. As described above, the problem of scale adhesion and deposition in the use of geothermal hot water is quite serious, and there is a need for a device that can prevent scale adhesion and deposition due to geothermal hot water.
本考案はこのような要請に応えてなされたもの
で、地熱熱水によるスケールの付着、堆積が防止
できる地熱熱水のスケール除去装置を提供するも
のである。本考案に係るスケール除去装置は、貯
留タンクの一側の底部付近に流入側管路を開口さ
せ、他側の上部付近に流出側管路を開口させると
共に、流入側管路と流出側管路との間に陽極およ
び陰極を配設し、かつ陰極に振動を与える加振器
を設けたものである。
The present invention has been made in response to such demands, and is intended to provide a geothermal hot water scale removal device that can prevent scale adhesion and accumulation due to geothermal hot water. The scale removal device according to the present invention has an inflow side pipe opened near the bottom of one side of the storage tank, an outflow side pipe opened near the top of the other side, and an inflow side pipe and an outflow side pipe opened. An anode and a cathode are disposed between the two and a vibrator is provided to vibrate the cathode.
本考案においては、地熱熱水は貯留タンク内の
底部から電極方向へ向かつて貯留タンクを斜めに
横切るように上方へ流れ、電極付近に留まる時間
が長くなるので、不純物が効果的に電極に析出さ
れる。
In this invention, the geothermal hot water flows from the bottom of the storage tank towards the electrodes and then upwards diagonally across the storage tank, and stays near the electrodes for a long time, so impurities are effectively deposited on the electrodes. be done.
以下、その構成等を図に示す実施例により詳細
に説明する。第１図は本考案に係る地熱熱水のス
ケール除去装置を示す概略図で、同図において符
号１で示すものは貯留タンクを示す。この貯留タ
ンク１は、図示しない地熱井から矢印Ａ方向に供
給される地熱熱水を、矢印Ｂ方向の図示しない地
熱熱水利用施設に供給する管路の途中に設けられ
ている。すなわち、２ａは貯留タンク１内に地熱
熱水３を流入させる流入側管路、２ｂは内部の地
熱熱水３を流出させる流出側管路である。前記貯
留タンク１は略両端が閉塞された円筒形状に形成
されており、前記流入側管路２ａおよび流出側管
路２ｂは頂部から挿通されている。詳述すれば、
管路の流入側管路２ａは貯留タンク１内の一側で
ある左側の底部付近において開口され、管路の流
出側管路２ｂは貯留タンク１の他側である右側の
上部付近において地熱熱水３中に開口されてい
る。また貯留タンク１の頂部には、後述する電極
を挿入するための二つの開口１ａ，１ｂが穿設さ
れ、蓋体４ａ，４ｂが図示しないボルト等により
着脱自在に固定されており、底部には貯留タンク
１内の堆積物を排出するための排出弁５が設けら
れている。
Hereinafter, its configuration and the like will be explained in detail with reference to embodiments shown in the drawings. FIG. 1 is a schematic diagram showing an apparatus for removing scale from geothermal hot water according to the present invention, and in the figure, reference numeral 1 indicates a storage tank. This storage tank 1 is provided in the middle of a conduit that supplies geothermal hot water supplied in the direction of arrow A from a geothermal well (not shown) to a geothermal hot water utilization facility (not shown) in the direction of arrow B. That is, 2a is an inflow side conduit through which the geothermal hot water 3 flows into the storage tank 1, and 2b is an outflow side conduit through which the geothermal hot water 3 inside is made to flow out. The storage tank 1 is formed into a cylindrical shape with substantially both ends closed, and the inflow side pipe line 2a and the outlet side pipe line 2b are inserted from the top. In detail,
The inflow side pipe 2a of the pipe is opened near the bottom of the left side, which is one side of the storage tank 1, and the outflow side pipe 2b of the pipe is opened near the top of the right side, which is the other side of the storage tank 1. Opens into water 3. In addition, two openings 1a and 1b are provided at the top of the storage tank 1 for inserting electrodes, which will be described later, and lids 4a and 4b are removably fixed with bolts (not shown). A discharge valve 5 is provided for discharging the deposits in the storage tank 1.
６は貯留タンク１内に地熱熱水３中に臨むよう
に設けられた陽極６ａ、陰極６ｂからなる一対の
電極であり、前記流入側管路２ａと流出側管路２
ｂとの間に配設されている。陰極６ｂはイオンの
拡散を増し、電流密度を大きくするために、地熱
熱水３の流動をよくし、表面積が大きくとれる網
状に形成されている。そしてこの陰極６ｂには図
示しない加振器が連結されている。換言すれば、
この陰極６ｂに振動を与える加振器が設けられて
いる。これら両電極６ａ，６ｂは、これらの上部
が前記蓋体４ａ，４ｂを貫通して外部に突出し、
陽極６ａの突出端は直流電源としてのバツテリ７
のプラス（＋）側に図示しないスイツチ、電圧調
整器等を介して接続され、陰極６ｂはマイナス
（−）側に接続されている。また両電極６ａ，６
ｂは絶縁部材８ａ，８ｂを介して蓋体４ａ，４ｂ
に着脱自在に固定されている。すなわち、両電極
６ａ，６ｂは図示しないボルト等により着脱自在
な蓋体４ａ，４ｂに固定されることにより、貯留
タンク１に対して挿抜自在に固定されている。 Reference numeral 6 denotes a pair of electrodes consisting of an anode 6a and a cathode 6b, which are provided in the storage tank 1 so as to face the geothermal hot water 3.
b. The cathode 6b is formed into a net shape that allows the geothermal hot water 3 to flow well and has a large surface area in order to increase the diffusion of ions and increase the current density. A vibrator (not shown) is connected to this cathode 6b. In other words,
A vibrator that vibrates the cathode 6b is provided. The upper portions of both electrodes 6a and 6b penetrate the lids 4a and 4b and protrude to the outside,
The protruding end of the anode 6a is a battery 7 as a DC power source.
The cathode 6b is connected to the plus (+) side of the circuit via a switch, voltage regulator, etc. (not shown), and the cathode 6b is connected to the minus (-) side. Also, both electrodes 6a, 6
b is connected to the lids 4a and 4b via insulating members 8a and 8b.
It is removably fixed to. That is, the electrodes 6a, 6b are fixed to the removable lids 4a, 4b with bolts (not shown), so that they can be inserted into and removed from the storage tank 1.
このように構成された地熱熱水のスケール除去
装置においては、地熱井から地熱熱水利用施設に
供給される地熱熱水中に含まれ、スケールの原因
となる不純物を析出させ、除去することができ
る。これは両電極６ａ，６ｂにバツテリ７の直流
電圧を印加して地熱熱水３中に電流を流し、この
地熱熱水３を電解質溶液として両電極６ａ，６ｂ
で化学反応を起こさせる、換言すれば電気分解す
ることができるからである。すなわち、陽極６ａ
側ではイオン価が増加する酸化反応が、陰極６ｂ
側ではイオン価が減少する還元反応が起こり、溶
液中に陽イオンとして解離分散し、スケールの原
因となる金属イオン例えばカルシウムCa2+，カ
リウムＫ+は還元されて陰極６ｂに析出する。こ
こで、地熱熱水３を貯留タンク１内の底部から電
極６方向へ向かつて貯留タンク１を斜めに横切る
ように上方へ流すことができるので、地熱熱水３
が電極付近に留まる時間を長くし、地熱熱水３中
の不純物を効果的に陰極６ｂに析出させることが
できる。すなわち、電解時間を長くすることがで
きるからである。 In the geothermal hot water scale removal device configured in this way, it is possible to precipitate and remove impurities that cause scale and are contained in the geothermal hot water that is supplied from the geothermal well to the geothermal hot water utilization facility. can. This is done by applying a DC voltage from a battery 7 to both electrodes 6a, 6b to flow a current into geothermal hot water 3, and using this geothermal hot water 3 as an electrolyte solution to both electrodes 6a, 6b.
This is because it can cause a chemical reaction, in other words, electrolysis. That is, the anode 6a
On the side, an oxidation reaction that increases the ionic valence occurs at the cathode 6b.
On the side, a reduction reaction occurs in which the ion valence decreases, and the cations are dissociated and dispersed in the solution, and metal ions that cause scale, such as calcium Ca 2+ and potassium K + , are reduced and deposited on the cathode 6b. Here, the geothermal hot water 3 can be flowed from the bottom of the storage tank 1 toward the electrode 6 and upward diagonally across the storage tank 1, so the geothermal hot water 3
By increasing the time that the geothermal hot water remains near the electrode, impurities in the geothermal hot water 3 can be effectively deposited on the cathode 6b. That is, this is because the electrolysis time can be increased.
この場合、電流密度が大きなときは陰極６ｂに
は、軟らかい結晶が析出し、電流密度が小さなと
きは硬い結晶が析出することが知られている。前
記軟らかい結晶は自然に陰極６ｂから剥離して貯
留タンク１の底部に沈澱するので排出弁５を開い
てやることにより、沈澱した結晶９を貯留タンク
１外に排出することができる。硬い結晶は加振器
で振動を与えることにより、機械的衝撃によつて
落下させ、軟らかい結晶と同様に排出弁５から排
出される。したがつて、陰極６ｂの表面が不純物
で被覆されるのを防止し、陰極６ｂと地熱熱水３
との接触面積が小さくなるのを阻止して、長期に
わたつて不純物を析出させることができる。な
お、加振器によつて取除くことができないきわめ
て硬い結晶の除去は陰極６ｂを定期的に貯留タン
ク１外に引抜いて行うことができる。 In this case, it is known that when the current density is high, soft crystals are deposited on the cathode 6b, and when the current density is low, hard crystals are deposited. The soft crystals naturally peel off from the cathode 6b and settle at the bottom of the storage tank 1, so by opening the discharge valve 5, the precipitated crystals 9 can be discharged to the outside of the storage tank 1. The hard crystals are vibrated with a vibrator to cause them to fall due to mechanical shock, and are discharged from the discharge valve 5 in the same way as the soft crystals. Therefore, the surface of the cathode 6b is prevented from being covered with impurities, and the cathode 6b and the geothermal hot water 3 are prevented from being covered with impurities.
Impurities can be precipitated over a long period of time by preventing the contact area from becoming small. Incidentally, extremely hard crystals that cannot be removed by a vibrator can be removed by periodically pulling the cathode 6b out of the storage tank 1.
第２図は他の実施例を示す概略図で、同図にお
いて第１図に示すものと同一あるいは同等な部材
には同一符号を付し、その説明は省略する。１０
…は陰極６ｂを構成している複数本の針状電極
で、これら針状電極１０…は陰極６ｂの基部に剣
山状に突設されている。また針状電極１０…は、
第３図に拡大して示すように、その断面が先端に
向かつて漸次小さくなるような円錐状に形成され
ている。 FIG. 2 is a schematic diagram showing another embodiment, and in this figure, the same or equivalent members as those shown in FIG. 10
. . . is a plurality of needle-like electrodes constituting the cathode 6b, and these needle-like electrodes 10 are provided protruding from the base of the cathode 6b in a triangular shape. Further, the needle electrodes 10...
As shown in an enlarged view in FIG. 3, the cross section is formed into a conical shape that gradually becomes smaller toward the tip.
このように構成された地熱熱水のスケール除去
装置においても、地熱熱水３を電解質溶液として
電気分解して、スケールの原因となる不純物を析
出させることができる。また電流密度が小さく、
針状電極１０に析出した結晶１１が剥離しない硬
い結晶であつても、針状電極１０が漸次小さくな
り、先端方向に外し易い形状に形成されているの
で、加振器によつて振動を与えることによつて容
易に取除くことができる。 Also in the geothermal hot water scale removal apparatus configured in this manner, the geothermal hot water 3 can be electrolyzed as an electrolyte solution to precipitate impurities that cause scale. Also, the current density is low,
Even if the crystals 11 deposited on the needle-like electrode 10 are hard crystals that do not peel off, the needle-like electrode 10 gradually becomes smaller and is formed in a shape that can be easily removed in the direction of the tip, so that it can be vibrated by the vibrator. It can be easily removed by:
以上説明したように本考案によれば、貯留タン
クの一側の底部付近に流入側管路を開口させ、他
側の上部付近に流出側管路を開口させると共に、
流入側管路と流出側管路との間に陽極および陰極
を配設し、かつ陰極に振動を与える加振器を設け
たから、地熱熱水を貯留タンク内の底部から電極
方向へ向かつて貯留タンクを斜めに横切るように
上方へ流し、電極付近に留まる時間を長くするこ
とができるので、地熱熱水中の不純物を効果的に
析出させることができる。しかも、加振器で陰極
に析出した不純物を落下させることができるか
ら、不純物を除去する効果を維持することができ
る。
As explained above, according to the present invention, the inflow side pipe is opened near the bottom of one side of the storage tank, the outflow side pipe is opened near the top of the other side, and
An anode and a cathode are placed between the inflow and outflow pipes, and a vibrator that vibrates the cathode is installed, so geothermal hot water is directed from the bottom of the storage tank toward the electrodes and stored. The impurities in the geothermal hot water can be effectively precipitated because the water flows upward diagonally across the tank and stays near the electrodes for a longer time. Furthermore, since the impurities deposited on the cathode can be dropped by the vibrator, the effect of removing impurities can be maintained.
したがつて、地熱熱水中の不純物を効果的にし
かも長期にわたつて除去することができるので、
地熱熱水利用施設において、地熱熱水によるスケ
ールの付着、堆積を長期にわたつて防止し、運転
効率を向上させることができる。 Therefore, impurities in geothermal hot water can be removed effectively and over a long period of time.
In geothermal hot water utilization facilities, it is possible to prevent scale adhesion and accumulation due to geothermal hot water over a long period of time and improve operational efficiency.
第１図は本考案に係る地熱熱水のスケール除去
装置を示す概略図、第２図は他の実施例を示す概
略図、第３図は針状電極を示す拡大断面図であ
る。
１……貯留タンク、２ａ……流入側管路、２ｂ
……流出側管路、３……地熱熱水、６ａ……陽
極、６ｂ……陰極、７……バツテリ。
FIG. 1 is a schematic diagram showing a scale removal device for geothermal hot water according to the present invention, FIG. 2 is a schematic diagram showing another embodiment, and FIG. 3 is an enlarged sectional view showing a needle electrode. 1...Storage tank, 2a...Inflow side pipe, 2b
...Outflow pipe, 3...Geothermal hot water, 6a...Anode, 6b...Cathode, 7...Battery.
Claims (1)
する管路の途中に貯留タンク１を設け、この貯留
タンク１の一側の底部付近に前記管路の流入側管
路２ａを開口させ、他側の上部付近に流出側管路
２ｂを開口させると共に、前記流入側管路２ａと
流出側管路２ｂとの間に直流電源に接続された陽
極６ａおよび陰極６ｂを配設し、かつこの陰極６
ｂに振動を与える加振器を設けたことを特徴とす
る地熱熱水のスケール除去装置。 A storage tank 1 is provided in the middle of a conduit that supplies geothermal hot water from a geothermal well to a geothermal hot water utilization facility, and an inflow side conduit 2a of the conduit is opened near the bottom of one side of this storage tank 1, An outflow side pipe 2b is opened near the top of the other side, and an anode 6a and a cathode 6b connected to a DC power source are disposed between the inflow side pipe 2a and the outflow side pipe 2b. Cathode 6
A scale removal device for geothermal hot water, characterized in that (b) is provided with a vibrator that generates vibrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18054982U JPS5986299U (en) | 1982-12-01 | 1982-12-01 | Geothermal hot water descaling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18054982U JPS5986299U (en) | 1982-12-01 | 1982-12-01 | Geothermal hot water descaling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5986299U JPS5986299U (en) | 1984-06-11 |
| JPS6244800Y2 true JPS6244800Y2 (en) | 1987-11-27 |
Family
ID=30391453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18054982U Granted JPS5986299U (en) | 1982-12-01 | 1982-12-01 | Geothermal hot water descaling equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5986299U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4125473B2 (en) * | 2000-10-12 | 2008-07-30 | 株式会社計測研究所 | Solid-liquid separator and underwater decomposition organic waste treatment system using the same |
| JP5569511B2 (en) * | 2011-12-07 | 2014-08-13 | ダイキン工業株式会社 | Electrolysis apparatus and heat pump water heater provided with the same |
-
1982
- 1982-12-01 JP JP18054982U patent/JPS5986299U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5986299U (en) | 1984-06-11 |
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