JPH0819914B2 - Vortex pump - Google Patents
Vortex pumpInfo
- Publication number
- JPH0819914B2 JPH0819914B2 JP1115286A JP11528689A JPH0819914B2 JP H0819914 B2 JPH0819914 B2 JP H0819914B2 JP 1115286 A JP1115286 A JP 1115286A JP 11528689 A JP11528689 A JP 11528689A JP H0819914 B2 JPH0819914 B2 JP H0819914B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- liquid
- passage
- suction port
- impeller
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D31/00—Pumping liquids and elastic fluids at the same time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0027—Varying behaviour or the very pump
- F04D15/0044—Varying behaviour or the very pump by introducing a gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、液体の中に気体を入れ、攪拌して気泡を作
る渦流ポンプに関する。Description: TECHNICAL FIELD The present invention relates to a vortex pump in which a gas is put into a liquid and agitated to form bubbles.
（従来の技術） 最近、液体の中に気体を入れ、攪拌させて気泡を作る
用途が拡がっている。(Prior Art) Recently, the application of gas into a liquid and stirring to create bubbles has been expanding.
この攪拌方法としては、エゼクターや、例えば実開昭
54−77563号公報あるいは実開昭52−40003号公報に記載
されているような遠心ポンプや、さらには渦流ポンプも
その作動原理上優れた攪拌効果を有するために用いられ
ている。The stirring method may be an ejector, for example
Centrifugal pumps such as those described in Japanese Laid-Open Patent Publication No. 54-77563 and Japanese Utility Model Laid-Open No. 52-4003, and vortex pumps are also used because they have an excellent stirring effect in their operating principles.
そして、従来の渦流ポンプの構造を第４図に示して説
明する。The structure of the conventional vortex flow pump will be described with reference to FIG.
図において、ケーシング１には、環状の昇圧通路２が
形成され、この昇圧通路２の入口部３に吸込口４が連通
形成されているとともに、昇圧通路２の出口部５に吐出
口６が連通形成され、昇圧通路２の入口部３と出口部５
との間に隔離部７が形成されている。In the figure, an annular pressurizing passage 2 is formed in a casing 1, an inlet 4 is formed in communication with an inlet 3 of the pressurizing passage 2, and an outlet 6 is communicated with an outlet 5 in the pressurizing passage 2. Formed, the inlet portion 3 and the outlet portion 5 of the pressurizing passage 2
An isolation portion 7 is formed between
また、ケーシング１内に羽根車11が回転可能に嵌合さ
れており、この羽根車11の外周部には、複数の小羽根12
およびこの小羽根12の間の羽根溝13が設けられている。Further, an impeller 11 is rotatably fitted in the casing 1, and a plurality of small blades 12 are provided on the outer peripheral portion of the impeller 11.
A blade groove 13 is provided between the small blades 12.
また、ケーシング１には吸込口４に連通する吸込配管
15が連結され、この吸込配管15の途中に気体吸込口16が
設けられている。Further, the casing 1 has a suction pipe communicating with the suction port 4.
The gas suction port 16 is provided in the middle of the suction pipe 15.
そして、羽根車11を回転させると、吸込口４から吸込
まれる液体は、羽根車11とともに昇圧通路２をほぼ一周
し、その間に昇圧されて吐出口６から吐出される。この
昇圧通路２に吸込まれた液体には、羽根車11の羽根溝13
内と昇圧通路２との間で渦流が生じ、これが各羽根溝13
で同時に行なわれながら昇圧通路２内を進み、昇圧通路
２を進むにつれて昇圧される。Then, when the impeller 11 is rotated, the liquid sucked from the suction port 4 and the impeller 11 go around the pressurizing passage 2 almost once, and during this time, the liquid is pressurized and discharged from the discharge port 6. The liquid sucked into the pressurizing passage 2 includes the blade groove 13 of the impeller 11.
A vortex flow is generated between the inside of the pressure booster passage 2 and each of the blade grooves 13
At the same time, the pressure is increased in the pressure increasing passage 2 and is increased as the pressure is increasing in the pressure increasing passage 2.
このとき、昇圧通路２に液体が吸込まれ、吸込配管15
内に液体の流れが負圧になることによって気体吸込口16
から気体が吸込まれ、吸込口４を通じて昇圧通路２に液
体と気体とが一緒に吸込まれ、前記のように羽根車11と
昇圧通路２との間で生じる渦流によって液体と気体とが
攪拌され、気泡が作られる。At this time, the liquid is sucked into the pressurizing passage 2, and the suction pipe 15
The negative pressure of the liquid flow inside the gas inlet 16
Gas is sucked from the suction port 4, the liquid and the gas are sucked together into the pressurizing passage 2 through the suction port 4, and the liquid and the gas are agitated by the vortex flow generated between the impeller 11 and the pressurizing passage 2 as described above. Bubbles are created.
（発明が解決しようとする課題） ところで、液体吸込量に対する気体吸込量の割合を増
加させて気泡の量を多くしたいという市場の要望があ
る。(Problems to be Solved by the Invention) By the way, there is a market demand to increase the amount of gas bubbles by increasing the ratio of the gas suction amount to the liquid suction amount.
しかし、従来のように、吸込配管に気体吸込口を設け
た構造では、気体吸込量を十分に増加させることができ
ず、他の方法の開発が要望されている。However, with the structure in which the gas suction port is provided in the suction pipe as in the conventional case, the gas suction amount cannot be sufficiently increased, and development of another method is desired.
本発明は、上述のような課題に鑑みなされたもので、
液体吸込量に対する気体吸込量の割合を増加させること
ができる渦流ポンプを提供することを目的とするもので
ある。The present invention has been made in view of the above problems,
An object of the present invention is to provide a swirl pump capable of increasing the ratio of the gas suction amount to the liquid suction amount.
（課題を解決するための手段） 本発明は、吸込口および吐出口に連通する環状の昇圧
通路を有するケーシングと、このケーシングの昇圧通路
内に回転移動可能に小羽根を嵌合した羽根車とを備え、
羽根車の回転により吸込口から昇圧通路に吸込んだ液体
を昇圧して吐出口から吐出させる渦流ポンプにおいて、
前記昇圧通路の入口部に、液体の流入方向に沿って気体
を導入させる気体吸込口を有する導管を突設したもので
ある。(Means for Solving the Problem) The present invention provides a casing having an annular pressurizing passage communicating with a suction port and a discharge port, and an impeller in which small blades are rotatably fitted in the pressurizing passage of the casing. Equipped with
In a vortex pump that pressurizes the liquid sucked from the suction port to the pressure passage by the rotation of the impeller and discharges it from the discharge port,
A conduit having a gas suction port for introducing gas along the inflow direction of the liquid is provided in a projecting manner at the inlet of the pressurizing passage.
（作用） 本発明では、羽根車の回転により、吸込口から吸込ま
れる液体が、羽根車とともに昇圧通路を移動し、その間
に昇圧されて吐出口から吐出される。(Operation) In the present invention, the rotation of the impeller causes the liquid sucked from the suction port to move along with the impeller in the pressure increasing passage, and is pressurized during that time and discharged from the discharge port.
この昇圧通路内に液体が吸込まれる際に気体吸込口か
ら気体が吸込まれる。このとき、昇圧通路の入口部では
昇圧通路に吸込まれる液体の流速が速く圧力が低くなる
ため、この昇圧通路の入口部に設けられた気体吸込口か
ら液体内への気体の吸込効率がよく、気体吸込量が多く
なる。しかも、昇圧通路の入口部に突設された導管にて
気体吸込口から液体の流入方向に沿って気体が導入され
るため、液体内への気体の吸込みがスムーズに行なえ、
気体吸込量がより多くなる。When liquid is sucked into the booster passage, gas is sucked from the gas suction port. At this time, at the inlet of the pressure-increasing passage, the flow velocity of the liquid sucked into the pressure-increasing passage is high and the pressure is low, so that the efficiency of gas suction from the gas inlet provided at the inlet of the pressure-increasing passage into the liquid is good. , The amount of gas suction increases. Moreover, since the gas is introduced from the gas suction port along the inflow direction of the liquid by the conduit projecting at the inlet of the pressurizing passage, the gas can be smoothly sucked into the liquid,
The amount of gas suction becomes larger.
（実施例） 以下、本発明の一実施例の構成を第１図ないし第３図
を参照して説明する。(Embodiment) Hereinafter, the configuration of an embodiment of the present invention will be described with reference to FIG. 1 to FIG.
なお、第４図に示した構造と同一構造部分については
同一符号を用いてその説明を省略する。The same reference numerals are used for the same structural parts as the structure shown in FIG. 4, and the description thereof will be omitted.
図のように、ケーシング１には、環状の昇圧通路２が
形成され、この昇圧通路２の入口部３に吸込口４が連通
形成されているとともに、昇圧通路２の出口部５に吐出
口６が連通形成され、昇圧通路２の入口部３と出口部５
との間に隔離部７が形成されている。As shown in the drawing, an annular pressurizing passage 2 is formed in the casing 1, a suction port 4 is formed in communication with an inlet portion 3 of the pressurizing passage 2, and a discharge port 6 is provided at an outlet portion 5 of the pressurizing passage 2. Are formed to communicate with each other, and the inlet portion 3 and the outlet portion 5 of the pressurizing passage 2 are
An isolation portion 7 is formed between
また、ケーシング１内に羽根車11が回転可能に嵌合さ
れており、この羽根車11の外周部には、複数の小羽根12
およびこの小羽根12の間の羽根溝13が設けられており、
羽根車11と同心円の昇圧通路２内を回転する。Further, an impeller 11 is rotatably fitted in the casing 1, and a plurality of small blades 12 are provided on the outer peripheral portion of the impeller 11.
And a blade groove 13 is provided between the small blades 12,
It rotates in the booster passage 2 which is concentric with the impeller 11.
また、ケーシング１には吸込口４に連通する吸込配管
15が連結されている。Further, the casing 1 has a suction pipe communicating with the suction port 4.
15 are connected.
また、ケーシング１の吸込口４の部分には内部に気体
吸込口31を有する導管32が螺合固定されており、この導
管32の先端部分は吸込口４の内部に侵入し、その先端部
の気体吸込口31が昇圧通路２の入口部３に臨んで開口し
ており、液体の流入方向に沿って気体吸込口31から気体
を導入させるようにしている。Further, a conduit 32 having a gas suction port 31 inside is screwed and fixed to a portion of the suction port 4 of the casing 1, and a tip end portion of this conduit 32 penetrates into the suction port 4 and The gas suction port 31 is opened to face the inlet portion 3 of the pressurizing passage 2, and the gas is introduced from the gas suction port 31 along the inflow direction of the liquid.
そして、羽根車11を回転させると、吸込口４から吸込
まれる液体は、羽根車11とともに昇圧通路２をほぼ一周
し、その間に昇圧されて吐出口６から吐出される。この
昇圧通路２に吸込まれた液体には、羽根車11の羽根溝13
内と昇圧通路２との間で渦流が生じ、これが各羽根溝13
で同時に行なわれながら昇圧通路２内を進み、昇圧通路
２を進むにつれて昇圧される。Then, when the impeller 11 is rotated, the liquid sucked from the suction port 4 and the impeller 11 go around the pressurizing passage 2 almost once, and during this time, the liquid is pressurized and discharged from the discharge port 6. The liquid sucked into the pressurizing passage 2 includes the blade groove 13 of the impeller 11.
A vortex flow is generated between the inside of the pressure booster passage 2 and each of the blade grooves 13
At the same time, the pressure is increased in the pressure increasing passage 2 and is increased as the pressure is increasing in the pressure increasing passage 2.
この吸込口４を通じて昇圧通路２内に液体が吸込まれ
る際に気体吸込口31から気体が吸込まれ、水と空気とが
一緒に羽根車11と昇圧通路２との間で生じる渦流によっ
て攪拌され、気泡が作られる。When liquid is sucked into the pressurizing passage 2 through the suction port 4, gas is sucked from the gas suction port 31 and water and air are agitated together by a vortex flow generated between the impeller 11 and the pressurizing passage 2. , Bubbles are created.
このとき、昇圧通路２の入口部３では昇圧通路２に吸
込まれる液体の流速が速く圧力が低くなるため、この昇
圧通路２の入口部３に設けられた気体吸込口31から液体
内への気体の吸込効率がよく、かつ、導管32にて気体吸
込口31から液体の流入方向に沿って気体が導入されるた
め、液体内への気体の吸込みがスムーズに行なえ、従っ
て、気体吸込量が多い。At this time, since the flow velocity of the liquid sucked into the pressurizing passage 2 is high at the inlet portion 3 of the pressurizing passage 2 and the pressure is low, the gas is sucked from the gas suction port 31 provided at the inlet portion 3 of the pressurizing passage 2 into the liquid. The gas suction efficiency is good, and since the gas is introduced from the gas suction port 31 through the conduit 32 along the inflow direction of the liquid, the gas can be smoothly sucked into the liquid, and therefore the gas suction amount is Many.
そして、液体吸込量に対する気体吸込量を、第１図に
示す実施例の渦流ポンプと第４図に示した従来の渦流ポ
ンプとにおいて比較した実験結果を第２図および第３図
に示す。なお、実験には液体として水を、気体として空
気を用いる。FIGS. 2 and 3 show the experimental results comparing the gas suction amount with respect to the liquid suction amount between the vortex flow pump of the embodiment shown in FIG. 1 and the conventional vortex flow pump shown in FIG. In the experiment, water is used as the liquid and air is used as the gas.
第２図には、吐出圧力（kg/cm2）に対する気体吸込率
（％）｛＝気体吸込量（Nl/min）／液体吸込量（l/mi
n）｝を示し、また、第４図には、液体吸込量（l/min）
に対する気体吸込率（％）｛＝気体吸込量（Nl/min）／
液体吸込量（l/min）｝を示している。The second figure, the gas suction rate for discharge pressure (kg / cm 2) (% ) {= gas suction amount (Nl / min) / liquid suction amount (l / mi
n)}, and in FIG. 4, the liquid suction amount (l / min)
Gas suction rate (%) {= Gas suction rate (Nl / min) /
Liquid suction amount (l / min)} is shown.
図から分かるように、従来のように吸込配管15の途中
に気体吸込口16を設けた渦流ポンプに比べ、本実施例の
ように昇圧通路２の入口部３に気体吸込口31を設けた渦
流ポンプでは、20％以上、空気吸込量の割合を増加させ
ることができる。そのため、液体に含まれる気泡の量を
多くすることができ、市場の要望に対応することができ
る。As can be seen from the figure, as compared with the conventional vortex flow pump in which the gas suction port 16 is provided in the middle of the suction pipe 15, the vortex flow in which the gas suction port 31 is provided in the inlet portion 3 of the booster passage 2 as in the present embodiment. The pump can increase the air intake rate by more than 20%. Therefore, it is possible to increase the amount of bubbles contained in the liquid and meet market demands.
以上のように、気体吸込口31を昇圧通路２の入口部３
に設けることにより、流体吸込量に対する気体吸込量の
割合を増加させることができる。As described above, the gas suction port 31 is connected to the inlet portion 3 of the pressurizing passage 2.
The ratio of the gas suction amount to the fluid suction amount can be increased by providing the above.
（発明の効果） 本発明によれば、昇圧通路に吸込まれる液体の流速が
速く圧力が低くなる昇圧通路の入口部に気体吸込口を設
けたので、気体吸込口から液体内への気体の吸込効率が
よくなり、液体吸込量に対する気体吸込量の割合を増加
でき、しかも、昇圧通路の入口部に突設された導管にて
気体吸込口から液体の流入方向に沿って気体が導入され
るため、液体内への気体の吸込みがスムーズに行なえ、
液体吸込量に対する気体吸込量の割合をより増加でき
る。(Effect of the Invention) According to the present invention, since the gas suction port is provided at the inlet of the pressure rising passage where the flow velocity of the liquid sucked into the pressure rising passage is high and the pressure is low, the gas flowing from the gas suction port into the liquid is reduced. The suction efficiency is improved, the ratio of the gas suction amount to the liquid suction amount can be increased, and the gas is introduced from the gas suction port along the inflow direction of the liquid by the conduit projecting at the inlet of the pressurizing passage. Therefore, the gas can be sucked into the liquid smoothly,
The ratio of the gas suction amount to the liquid suction amount can be further increased.
第１図は本発明の渦流ポンプの一実施例を示す断面図、
第２図および第３図は本発明と従来との空気吸込率を比
較したグラフ図、第４図は従来の渦流ポンプの断面図で
ある。 １……ケーシング、２……昇圧通路、３……入口部、４
……吸込口、６……吐出口、11……羽根車、12……小羽
根、31……気体吸込口、32……導管。FIG. 1 is a sectional view showing an embodiment of the vortex flow pump of the present invention,
2 and 3 are graphs comparing the air suction rates of the present invention and the conventional one, and FIG. 4 is a sectional view of the conventional vortex flow pump. 1 ... Casing, 2 ... Pressure passage, 3 ... Inlet, 4
…… Suction port, 6 …… Discharge port, 11 …… Impeller, 12 …… Small blades, 31 …… Gas suction port, 32 …… Conduit.
Claims (1)
通路を有するケーシングと、このケーシングの昇圧通路
内に回転移動可能に小羽根を嵌合した羽根車とを備え、
羽根車の回転により吸込口から昇圧通路に吸込んだ液体
を昇圧して吐出口から吐出させる渦流ポンプにおいて、 前記昇圧通路の入口部に、液体の流入方向に沿って気体
を導入させる気体吸込口を有する導管を突設した ことを特徴とする渦流ポンプ。1. A casing having an annular pressurizing passage communicating with a suction port and a discharge port, and an impeller in which small blades are rotatably fitted in the pressurizing passage of the casing.
In a vortex pump that pressurizes the liquid sucked from the suction port to the pressure rising passage by the rotation of the impeller and discharges it from the discharge port, a gas suction port that introduces gas along the inflow direction of the liquid is provided at the inlet of the pressure rising passage. A vortex flow pump characterized by having a conduit provided therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1115286A JPH0819914B2 (en) | 1989-05-09 | 1989-05-09 | Vortex pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1115286A JPH0819914B2 (en) | 1989-05-09 | 1989-05-09 | Vortex pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02294593A JPH02294593A (en) | 1990-12-05 |
| JPH0819914B2 true JPH0819914B2 (en) | 1996-03-04 |
Family
ID=14658902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1115286A Expired - Lifetime JPH0819914B2 (en) | 1989-05-09 | 1989-05-09 | Vortex pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0819914B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4602311B2 (en) * | 2006-11-09 | 2010-12-22 | 株式会社日阪製作所 | Steam contact heat sterilizer |
| JP5058893B2 (en) * | 2008-06-16 | 2012-10-24 | ケーピーエス工業株式会社 | Pumping unit |
| JP5651829B2 (en) * | 2010-11-16 | 2015-01-14 | 雅 田篭 | Friction reduction ship and micro bubble generation pump |
| CN102979766A (en) * | 2011-09-06 | 2013-03-20 | 武汉百湖水务科技发展有限公司 | Gas-liquid two-phase flow pump capable of refining and equalizing air bubbles particle deeply |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240003U (en) * | 1975-09-13 | 1977-03-22 | ||
| JPS5748547Y2 (en) * | 1977-11-12 | 1982-10-25 |
-
1989
- 1989-05-09 JP JP1115286A patent/JPH0819914B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02294593A (en) | 1990-12-05 |
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