WO2017175525A1 - Gas supply device - Google Patents
Gas supply device Download PDFInfo
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- WO2017175525A1 WO2017175525A1 PCT/JP2017/008416 JP2017008416W WO2017175525A1 WO 2017175525 A1 WO2017175525 A1 WO 2017175525A1 JP 2017008416 W JP2017008416 W JP 2017008416W WO 2017175525 A1 WO2017175525 A1 WO 2017175525A1
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- WIPO (PCT)
- Prior art keywords
- gas supply
- bubbles
- supply device
- gas
- gas ejection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Definitions
- the present invention relates to a gas supply device. More specifically, the present invention relates to a gas supply device that blows a gas into a liquid or slurry.
- the treatment target liquid is placed in a reaction vessel, and a gas such as oxygen or air is blown into the treatment target liquid, so that a substance (target substance) in the treatment target liquid is precipitated as an oxide or the like and precipitated. . Then, after the gas blowing is finished, the liquid to be treated is subjected to solid-liquid separation to separate a precipitate (solid) and other components.
- the leaching residue in the leaching process and the residual liquid in the sulfidation process are precipitated in the final neutralization process. Removed.
- the slurry containing the leaching residue and a part of the acidic aqueous solution (residual liquid) in the sulfidation process are treated to precipitate and remove the metal components dissolved in the liquid.
- the precipitation removal of the metal component in this final neutralization step is performed in two stages.
- the slurry containing the leaching residue and the residual liquid of the sulfidation process are collectively referred to as the first stage starting liquid.
- a slurry containing limestone (CaCO 3 ) is added to the reaction tank in which the starting liquid of the first stage is accommodated to adjust the pH to 5.5-6. Raise to 0, mainly to precipitate iron and aluminum.
- the final liquid of the first stage is used as a starting liquid, and a slurry containing slaked lime (Ca (OH) 2 ) is added to the reaction vessel in which the starting liquid is accommodated, and the pH is adjusted to 8.5-9. Raise to 0 to precipitate mainly manganese and nickel.
- iron contained in the first stage starting liquid is precipitated as iron hydroxide.
- the iron contained in the starting liquid of the first stage contains both divalent iron and trivalent iron, respectively, and divalent iron hydroxide (II) (Fe (OH) 2 ), Precipitate as trivalent iron (III) hydroxide (Fe (OH) 3 ).
- divalent iron hydroxide (II) (Fe (OH) 2 ) Precipitate as trivalent iron (III) hydroxide (Fe (OH) 3 ).
- trivalent iron hydroxide (III) (Fe (OH) 3 ) precipitates even at low pH
- divalent iron hydroxide (II) (Fe (OH) 2 ) is precipitated at low pH. Is difficult to settle.
- the trivalent iron is precipitated as iron hydroxide (III) (Fe (OH) 3 ), and the divalent iron is in a state where the pH is in a high state. In two stages, it precipitates as iron (II) hydroxide (Fe (OH) 2 ).
- slaked lime is used to make the pH high, but when the amount of divalent iron to be treated in the second stage increases, the amount of slaked lime used is increased to maintain the pH high. There must be. Slaked lime is very expensive compared to the limestone used in the first stage, and considering the treatment cost, it is preferable that the amount of divalent iron to be treated in the second stage is small. That is, it is desirable to treat the iron contained in the starting liquid in the first stage as much as possible in the first stage.
- the liquid to be treated in the final neutralization step of the high-pressure sulfuric acid leaching plant as described above is a slurry.
- air is supplied from a pipe as shown in FIG.
- the slurry easily flows backward and clogging frequently occurs.
- the contact area between the metal ions and the bubbles is large. Even when iron is oxidized in the final neutralization step described above, the iron concentration of the liquid to be treated is generally high, and it is necessary to treat at a high flow rate. For this reason, the improvement of the oxidation efficiency by increasing the contact area of a metal ion and a bubble is calculated
- the bubble diameter of the bubbles supplied to the slurry is small. However, the bubbles supplied into the liquid from the above-described pipe are at most about 15 mm, and contact with each other. In terms of area, it is not enough.
- an object of the present invention is to provide a gas supply device that can stably supply bubbles having a small diameter.
- a gas supply device is a gas supply device that supplies bubbles into a fluid, and is a hollow cylindrical member having a discharge port for discharging bubbles at one end, and a gas jet that jets gas to the inner surface A main body in which a hole is formed, and a protruding member provided on the inner surface of the main body, and the protruding member is provided between the gas ejection hole and the discharge port. It is characterized by.
- the gas supply device of a second invention is characterized in that, in the first invention, the gas ejection hole is a long hole extending along a circumferential direction of the main body.
- the gas supply device is the gas supply apparatus according to the first or second aspect, wherein the gas ejection holes are provided in a plurality along the circumferential direction of the main body, and the protruding member is a circumferential direction of the main body. It is characterized in that a plurality are provided along.
- a gas supply device is characterized in that, in the first, second or third aspect, the gas supply device is provided in a reaction tank of a final neutralization step in a high-pressure sulfuric acid leaching plant.
- the bubbles blown out from the gas ejection holes collide with the protruding member before being ejected from the ejection port bubbles smaller than the bubbles ejected from the gas ejection holes are generated. Therefore, even if the size of the gas ejection hole is increased to some extent, the bubbles ejected from the discharge port can be reduced, so that fine bubbles can be stably supplied while preventing the gas ejection holes from being clogged.
- the gas ejection hole is a long hole extending along the circumferential direction of the main body portion, the gas ejection hole can be hardly clogged.
- the bubbles can be moved toward the discharge port while swirling within the main body due to the influence of the bubbles blown out from the plurality of gas ejection holes. Since a plurality of protruding members are provided along the circumferential direction of the main body, bubbles that move while turning collide with the plurality of protruding members a plurality of times. Therefore, the miniaturization of the bubbles can be promoted. According to the fourth invention, in the first stage of the final neutralization step, the efficiency of oxidizing divalent iron ions into trivalent iron ions can be increased.
- (A) is a longitudinal cross-sectional view
- (B) is a top view.
- (A) is schematic explanatory drawing of the state which installed gas supply device 1 of this embodiment in reaction tank R.
- (A) is schematic explanatory drawing of the final neutralization process of a high-pressure sulfuric acid leaching plant
- (B) is a graph of an experimental result.
- (A) is a solubility curve of a metal hydroxide
- (B) is a photograph of a conventional gas supply device.
- the gas supply device of the present invention is a device for supplying a gas to a liquid or slurry having metal ions or the like, and is characterized in that fine bubbles can be supplied without reducing the hole for ejecting the gas. Have.
- the equipment etc. in which the gas supply device of the present invention is used are not particularly limited.
- a final neutralization process of a plant for recovering metallic nickel from nickel oxide ore using high-pressure sulfuric acid leaching method in order to oxidize metal components including iron ions in the slurry, It can be used as a device for blowing air into the slurry.
- the efficiency of oxidizing divalent iron ions to trivalent iron ions can be increased, so the amount of iron ions removed in the first stage can be increased, and the second stage The amount of iron ions (divalent iron) to be removed can be reduced.
- the usage-amount of the neutralizing agent namely, slaked lime
- the advantage that processing cost can be reduced is acquired.
- the gas supplied to the liquid or slurry is not particularly limited.
- air, oxygen, ozone, nitrogen, etc. can be mentioned.
- the gas supply device 1 of this embodiment is a device that supplies a gas such as air to a fluid such as a slurry accommodated inside a reaction vessel or the like.
- the symbol R indicates a reaction tank in which a fluid L such as slurry is accommodated.
- the reaction tank R is provided with an opening at the top, and a fluid L to be processed is supplied from the opening, and the processed fluid L is discharged to the outside due to overflow.
- the gas supply device 1 of the present embodiment is provided at the bottom B of the reaction vessel R. Bubbles supplied from the gas supply device 1 of the present embodiment are supplied into the reaction tank R through the opening Bh provided in the bottom B.
- the gas supply device 1 of this embodiment includes a main body 10 attached to an opening Bh of a reaction tank R.
- the main body 10 is a hollow cylindrical member, and one end (exhaust port 10a) that is an opening is attached to the opening Bh of the reaction tank R.
- the other end of the main body 10 is closed. That is, the main body 10 is formed of a hollow bottomed cylindrical member.
- the inner surface 10f of the main body portion 10 is formed with a step near the bottom thereof, and is provided with a reduced diameter portion 10g having an inner diameter smaller than that of the upper portion.
- a gas ejection hole 10b is provided on the inner surface 10f of the reduced diameter portion 10g.
- the gas ejection holes 10 b are elongated holes extending along the circumferential direction of the main body 10, and a plurality of gas ejection holes 10 b are provided along the inner circumferential direction of the main body 10.
- the plurality of gas ejection holes 10 b are provided at equiangular intervals along the circumferential direction of the inner surface of the main body 10.
- the gas ejection hole 10b communicates with a gas supply means AS such as a blower (see FIG. 2).
- a protrusion-like member 11 is provided on the inner surface of the main body 10 between the gas ejection hole 10b and the discharge port 10a. That is, the protruding member 11 is provided so as to be positioned in a path where the bubbles G discharged from the gas ejection holes 10b move toward the discharge port 10a.
- a plurality of the protruding members 11 are also provided along the circumferential direction of the inner surface of the main body 10. For example, the plurality of protruding members 11 are provided at equiangular intervals along the inner circumferential direction of the main body 10.
- the bubble G collides with the protruding member 11 before being discharged from the discharge port 10a. Then, due to the influence of the collision, the bubbles G become fine bubbles g due to splitting or the like, and the fine bubbles g can be supplied into the reaction tank R from the discharge port 10a. That is, even if the size of the gas ejection hole 10b is increased to some extent, the bubble g supplied from the discharge port 10a into the reaction tank R can be reduced.
- the fine bubbles g can be stably supplied from the discharge port 10a while preventing the gas ejection hole 10b from being clogged.
- a plurality of gas ejection holes 10 b are provided along the inner circumferential direction of the main body portion 10, and a plurality of protruding members 11 are also provided along the inner circumferential direction of the main body portion 10. Then, a swirl flow can be generated in the main body 10 due to the influence of the bubbles G blown from the plurality of gas ejection holes 10b. That is, the bubble G can be moved toward the discharge port 10a while turning. Then, since the plurality of protruding members 11 are also provided along the circumferential direction of the inner surface of the main body 10, the bubbles G that move while turning can collide with the plurality of protruding members 11 a plurality of times. Therefore, since refinement
- the diameter of the bubble G discharged from the gas ejection hole 10b is about 10 to 15 mm
- the diameter of the bubble g supplied into the reaction tank R from the discharge port 10a can be made 1 mm or less. It becomes.
- emitted from the gas ejection hole 10b, and the diameter of the bubble g supplied into the reaction tank R from the ejection port 10a are the flow volume which ejects gas from the gas ejection hole 10b, and the shape of the gas ejection hole 10b. It varies depending on the size, the nature of the liquid L, the shape of the protruding member 11, and the like. Therefore, each parameter may be set appropriately according to the role of the bubbles g in the reaction tank R so that the diameter of the bubbles g supplied from the discharge port 10a into the reaction tank R becomes an appropriate size.
- the main-body part 10 should just have a hollow space inside, and does not necessarily need to be cylindrical. However, if it is cylindrical, an advantage is obtained that it becomes easy to swirl the bubbles G as described later.
- the reduced diameter portion 10g is provided near the bottom of the main body portion 10, and the gas ejection hole 10b is provided in the reduced diameter portion 10g.
- the reduced diameter portion 10g is not necessarily provided.
- the reduced diameter portion 10g is provided, and the gas ejection hole 10b is provided in the reduced diameter portion 10g, an advantage that the ejection speed of the bubbles g ejected from the main body portion 10 to the reaction tank R can be secured.
- the gas ejection hole 10b is not necessarily a long hole extending along the circumferential direction of the main body 10, and may be a normal circular hole. However, if the elongated holes extend along the circumferential direction of the main body 10, the gas flows uniformly in the gas ejection holes 10 b because the main body 10 has a circumferential shape. As a result, it is difficult to cause the gas ejection hole 10b to be blocked, and the bubbles G can be stably supplied to the fluid L.
- the plurality of gas ejection holes 10b do not necessarily have to be arranged at equiangular intervals. Further, the plurality of gas ejection holes 10b may not be provided at the same position (that is, at the same height) in the axial direction of the main body 10, and the height may be slightly changed. If the plurality of gas ejection holes 10b are provided at the same height, advantages such as uniform pressure applied to the gas ejection holes 10b can be obtained.
- the number of the gas ejection holes 10b and the protruding members 11 are provided on the inner surface of the main body 10, the number of the gas ejection holes 10b according to the present embodiment can be reduced as compared with the prior art. Specifically, a sufficient effect can be obtained with a much smaller number of gas ejection holes 10b (for example, about 3 to 4) than the number of gas ejection holes (about 30) of the conventional gas supply device. . That is, if about 3 to 4 gas ejection holes 10b are provided along the circumferential direction of the inner surface of the main body 10, the above-described effect (swivel movement) can be obtained, and the bubbles g to be supplied to the reaction tank R can be reduced. The effect that it can be made fine is obtained.
- the protruding members 11 do not necessarily have to be arranged at equiangular intervals. Further, the plurality of protruding members 11 may not be provided at the same position (that is, at the same height) in the axial direction of the main body portion 10, and the heights may be slightly changed. If the plurality of projecting members 11 are provided at the same height, advantages such as a simplified facility structure can be obtained.
- the shape and size of the protruding member 11 are not particularly limited.
- a spherical obstacle having a diameter of 20 to 35% of the inner diameter of the main body 10 may be arranged.
- the gas supply device of the present invention can promote the oxidation of substances contained in liquids and slurries.
- the gas supply into the tank containing the slurry is performed only by the conventional gas supply device (comparative example), and the gas supply device of the present invention.
- the conventional gas supply device was used in combination (Example)
- the iron concentrations of the starting liquid and the final liquid were compared.
- the initial liquid is the liquid supplied to the first stage in the final neutralization step
- the final liquid is the liquid after completion of the first stage (after completion of the treatment in the second tank in FIG. 3A). Liquid).
- the examples and comparative examples were tested under the same conditions except that part of the gas supply device in the examples was changed to the gas supply device of the present invention.
- the properties of the starting liquid (slurry) in the final neutralization process treated in the examples are as follows. Slurry pH: 2.5-3.0 Slurry density: 1.2-1.3 g / ml Liquid ratio in slurry: 70 to 85% by weight Starting liquid flow rate: 200-350m 3 / hr Iron concentration in the liquid (concentration in the starting liquid): 2.2 to 3.6 g / l Operation period: 10 days
- the gas supply device of the present invention is suitable as a device for supplying a gas to a liquid in a process of bringing the gas into contact with a substance such as iron, magnesium or manganese in the liquid.
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Abstract
Description
最終中和工程では、浸出残渣を含むスラリーと、硫化工程の酸性水溶液(残液)の一部が処理され、液中に溶けている金属成分を析出させて沈澱除去する。この最終中和工程における金属成分の沈澱除去は二段階で実施される。なお、以下では、浸出残渣を含むスラリーと硫化工程の残液を合せて、第一段階の始液という。 The outline of the final neutralization step will be described with reference to FIG.
In the final neutralization process, the slurry containing the leaching residue and a part of the acidic aqueous solution (residual liquid) in the sulfidation process are treated to precipitate and remove the metal components dissolved in the liquid. The precipitation removal of the metal component in this final neutralization step is performed in two stages. Hereinafter, the slurry containing the leaching residue and the residual liquid of the sulfidation process are collectively referred to as the first stage starting liquid.
第2発明の気体供給装置は、第1発明において、前記気体噴出孔が、前記本体部の周方向に沿って伸びた長孔であることを特徴とする。
第3発明の気体供給装置は、第1または第2発明において、前記気体噴出孔が、前記本体部の周方向に沿って複数設けられており、前記突起状部材が、前記本体部の周方向に沿って複数設けられていることを特徴とする。
第4発明の気体供給装置は、第1、第2または第3発明において、高圧硫酸浸出プラントにおける最終中和工程の反応槽に設けられるものであることを特徴とする。 A gas supply device according to a first aspect of the present invention is a gas supply device that supplies bubbles into a fluid, and is a hollow cylindrical member having a discharge port for discharging bubbles at one end, and a gas jet that jets gas to the inner surface A main body in which a hole is formed, and a protruding member provided on the inner surface of the main body, and the protruding member is provided between the gas ejection hole and the discharge port. It is characterized by.
The gas supply device of a second invention is characterized in that, in the first invention, the gas ejection hole is a long hole extending along a circumferential direction of the main body.
The gas supply device according to a third aspect of the present invention is the gas supply apparatus according to the first or second aspect, wherein the gas ejection holes are provided in a plurality along the circumferential direction of the main body, and the protruding member is a circumferential direction of the main body. It is characterized in that a plurality are provided along.
A gas supply device according to a fourth aspect of the present invention is characterized in that, in the first, second or third aspect, the gas supply device is provided in a reaction tank of a final neutralization step in a high-pressure sulfuric acid leaching plant.
第2発明によれば、気体噴出孔が本体部の周方向に沿って伸びた長孔であるので、気体噴出孔を詰まりにくくすることができる。
第3発明によれば、複数の気体噴出孔から吹き出される気泡同士の影響により、気泡を本体部内で旋回させながら排出口に向かって移動させることができる。そして、突起状部材が本体部の周方向に沿って複数設けられているので、旋回しながら移動する気泡が複数の突起状部材と複数回衝突する。したがって、気泡の微細化を促進することができる。
第4発明によれば、最終中和工程の第一段階において、2価の鉄イオンを酸化して3価の鉄イオンとする効率を高くできる。 According to the first invention, since the bubbles blown out from the gas ejection holes collide with the protruding member before being ejected from the ejection port, bubbles smaller than the bubbles ejected from the gas ejection holes are generated. Therefore, even if the size of the gas ejection hole is increased to some extent, the bubbles ejected from the discharge port can be reduced, so that fine bubbles can be stably supplied while preventing the gas ejection holes from being clogged.
According to the second aspect of the invention, since the gas ejection hole is a long hole extending along the circumferential direction of the main body portion, the gas ejection hole can be hardly clogged.
According to the third aspect of the present invention, the bubbles can be moved toward the discharge port while swirling within the main body due to the influence of the bubbles blown out from the plurality of gas ejection holes. Since a plurality of protruding members are provided along the circumferential direction of the main body, bubbles that move while turning collide with the plurality of protruding members a plurality of times. Therefore, the miniaturization of the bubbles can be promoted.
According to the fourth invention, in the first stage of the final neutralization step, the efficiency of oxidizing divalent iron ions into trivalent iron ions can be increased.
本実施形態の気体供給装置1は、反応槽等の内部に収容されたスラリー等の流体に対して、空気等の気体を供給する装置である。 (
The
本体部10は、内部に中空な空間を有していればよく、必ずしも筒状である必要はない。しかし、筒状とすれば、後述するような気泡Gを内部で旋回移動させやすくなるという利点が得られる。 (About the main body 10)
The main-
気体噴出孔10bは、必ずしも本体部10の周方向に沿って伸びた長孔でなくてもよく、通常の円形の孔でもよい。しかし、本体部10の周方向に沿って伸びた長孔としておけば、本体部10が円周状になっているので気体が気体噴出孔10b内を均一に流れるため、流体L中のスラリー等による気体噴出孔10bの閉塞を生じにくくできるので、気泡Gを安定して流体Lに供給することができる。 (Regarding the
The
突起状部材11は、必ずしも等角度間隔で配置しなくてもよい。また、複数の突起状部材11は、本体部10の軸方向において同じ位置(つまり同じ高さ)に設けなくてもよく、若干高さを変化させてもよい。複数の突起状部材11を同じ高さに設ければ設備の構造が簡便になる等の利点が得られる。 (About the protruding member 11)
The protruding
スラリーpH:2.5~3.0
スラリー密度:1.2~1.3g/ml
スラリー中の液比率:70~85重量%
始液流量:200~350m3/hr
液中の鉄濃度(始液中濃度):2.2~3.6g/l
操業期間:10日間 The examples and comparative examples were tested under the same conditions except that part of the gas supply device in the examples was changed to the gas supply device of the present invention. The properties of the starting liquid (slurry) in the final neutralization process treated in the examples are as follows.
Slurry pH: 2.5-3.0
Slurry density: 1.2-1.3 g / ml
Liquid ratio in slurry: 70 to 85% by weight
Starting liquid flow rate: 200-350m 3 / hr
Iron concentration in the liquid (concentration in the starting liquid): 2.2 to 3.6 g / l
Operation period: 10 days
まず、従来の気体供給装置のみから、940~970m3/hrの空気をスラリーに供給したところ、図3(B)に示すように、始液と終液の鉄濃度は比例関係となった。この比較例における鉄の除去率は、77~91%(平均83.9%)となった(表1参照)。 The experimental results are described below.
First, when air of 940 to 970 m 3 / hr was supplied to the slurry only from the conventional gas supply device, the iron concentration of the starting liquid and the final liquid became proportional as shown in FIG. The removal rate of iron in this comparative example was 77 to 91% (average 83.9%) (see Table 1).
一方、実施例における鉄の除去率は、始液中の鉄濃度により差はあるものの、84~95%(平均89.0%)となった(表1参照)。
On the other hand, the iron removal rate in the examples was 84 to 95% (average 89.0%), although there was a difference depending on the iron concentration in the starting solution (see Table 1).
10 本体部
10a 排出口
10b 気体噴出孔
G 気泡
L 流体
R 反応槽
DESCRIPTION OF
Claims (4)
- 流体中に気泡を供給する気体供給装置であって、
一端に気泡を排出する排出口を有する中空な筒状の部材であって、内面に気体を噴き出す気体噴出孔が形成された本体部と、
該本体部の内面に設けられた突起状部材と、を備えており、
該突起状部材が、
前記気体噴出孔と前記排出口の間に設けられている
ことを特徴とする気体供給装置。 A gas supply device for supplying bubbles into a fluid,
A hollow cylindrical member having a discharge port for discharging bubbles at one end, and a main body portion in which a gas ejection hole for ejecting gas is formed on the inner surface;
A projecting member provided on the inner surface of the main body,
The protruding member is
A gas supply device provided between the gas ejection hole and the discharge port. - 前記気体噴出孔が、
前記本体部の周方向に沿って伸びた長孔である
ことを特徴とする請求項1記載の気体供給装置。 The gas ejection hole is
The gas supply device according to claim 1, wherein the gas supply device is a long hole extending along a circumferential direction of the main body. - 前記気体噴出孔が、
前記本体部の周方向に沿って複数設けられており、
前記突起状部材が、
前記本体部の周方向に沿って複数設けられている
ことを特徴とする請求項1または2記載の気体供給装置。 The gas ejection hole is
A plurality are provided along the circumferential direction of the main body,
The protruding member is
The gas supply device according to claim 1, wherein a plurality of gas supply devices are provided along a circumferential direction of the main body. - 高圧硫酸浸出プラントにおける最終中和工程の第一段階の反応槽に設けられるものである
ことを特徴とする請求項1、2または3記載の気体供給装置。
The gas supply apparatus according to claim 1, 2, or 3, wherein the gas supply apparatus is provided in a first-stage reaction tank of a final neutralization step in a high-pressure sulfuric acid leaching plant.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2017245860A AU2017245860A1 (en) | 2016-04-06 | 2017-03-03 | Gas supply device |
CU2018000126A CU20180126A7 (en) | 2016-04-06 | 2017-03-03 | GAS SUPPLY DEVICE |
PH12018501832A PH12018501832A1 (en) | 2016-04-06 | 2018-08-28 | Gas supply device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-076894 | 2016-04-06 | ||
JP2016076894A JP6561897B2 (en) | 2016-04-06 | 2016-04-06 | Gas supply device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017175525A1 true WO2017175525A1 (en) | 2017-10-12 |
Family
ID=60000744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2017/008416 WO2017175525A1 (en) | 2016-04-06 | 2017-03-03 | Gas supply device |
Country Status (5)
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JP (1) | JP6561897B2 (en) |
AU (1) | AU2017245860A1 (en) |
CU (1) | CU20180126A7 (en) |
PH (1) | PH12018501832A1 (en) |
WO (1) | WO2017175525A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021116443A (en) * | 2020-01-23 | 2021-08-10 | 住友金属鉱山株式会社 | Mixer and mixing method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102100074B1 (en) * | 2019-05-31 | 2020-05-15 | 유영호 | Flow channel member for micro and/or nano bubble, integrated flow unit and producing device for micro and/or nano bubble using the same |
Citations (5)
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JP2004216261A (en) * | 2003-01-14 | 2004-08-05 | Sumitomo Metal Ind Ltd | Gas injector, liquid lifting-up apparatus, stirring device, and air bubble generation method |
JP2005350766A (en) * | 2004-05-13 | 2005-12-22 | Sumitomo Metal Mining Co Ltd | Hydrometallurgical process of nickel oxide ore |
JP2007289915A (en) * | 2006-03-27 | 2007-11-08 | Yasuhiko Masuda | Gas-liquid mixer |
JP2012236163A (en) * | 2011-05-12 | 2012-12-06 | Mitsubishi Heavy Ind Ltd | Air dispersing pipe and seawater flue gas-desulfurizing apparatus with the same |
JP5306187B2 (en) * | 2007-05-11 | 2013-10-02 | 西華産業株式会社 | Gas-liquid mixing and circulation device |
-
2016
- 2016-04-06 JP JP2016076894A patent/JP6561897B2/en active Active
-
2017
- 2017-03-03 AU AU2017245860A patent/AU2017245860A1/en not_active Abandoned
- 2017-03-03 WO PCT/JP2017/008416 patent/WO2017175525A1/en active Application Filing
- 2017-03-03 CU CU2018000126A patent/CU20180126A7/en unknown
-
2018
- 2018-08-28 PH PH12018501832A patent/PH12018501832A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004216261A (en) * | 2003-01-14 | 2004-08-05 | Sumitomo Metal Ind Ltd | Gas injector, liquid lifting-up apparatus, stirring device, and air bubble generation method |
JP2005350766A (en) * | 2004-05-13 | 2005-12-22 | Sumitomo Metal Mining Co Ltd | Hydrometallurgical process of nickel oxide ore |
JP2007289915A (en) * | 2006-03-27 | 2007-11-08 | Yasuhiko Masuda | Gas-liquid mixer |
JP5306187B2 (en) * | 2007-05-11 | 2013-10-02 | 西華産業株式会社 | Gas-liquid mixing and circulation device |
JP2012236163A (en) * | 2011-05-12 | 2012-12-06 | Mitsubishi Heavy Ind Ltd | Air dispersing pipe and seawater flue gas-desulfurizing apparatus with the same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021116443A (en) * | 2020-01-23 | 2021-08-10 | 住友金属鉱山株式会社 | Mixer and mixing method |
JP7396072B2 (en) | 2020-01-23 | 2023-12-12 | 住友金属鉱山株式会社 | Mixing equipment and mixing method |
Also Published As
Publication number | Publication date |
---|---|
JP6561897B2 (en) | 2019-08-21 |
CU20180126A7 (en) | 2019-09-04 |
AU2017245860A1 (en) | 2018-09-20 |
JP2017185457A (en) | 2017-10-12 |
PH12018501832A1 (en) | 2019-05-15 |
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