WO2011132512A1 - 混流ノズル - Google Patents
混流ノズル Download PDFInfo
- Publication number
- WO2011132512A1 WO2011132512A1 PCT/JP2011/058188 JP2011058188W WO2011132512A1 WO 2011132512 A1 WO2011132512 A1 WO 2011132512A1 JP 2011058188 W JP2011058188 W JP 2011058188W WO 2011132512 A1 WO2011132512 A1 WO 2011132512A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- mixed flow
- mixed
- wall
- chain
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3415—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with swirl imparting inserts upstream of the swirl chamber
-
- 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
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Definitions
- the present invention relates to a mixed flow nozzle of a water treatment apparatus, and in particular, by oxidizing and insolubilizing iron, manganese and other soluble components in raw water such as groundwater without using chemicals such as an oxidizing agent or a flocculant.
- the present invention relates to a mixed flow nozzle used for water supply of raw water and air used in a water treatment apparatus to be processed.
- Patent Document 1 discloses a water treatment apparatus that treats iron, manganese, and other dissolved components in groundwater by oxidizing and insolubilizing them with a simple and small apparatus without using an agent such as an oxidizing agent or a flocculant.
- the described water treatment apparatus is proposed. According to this water treatment apparatus, one end is connected to a raw water supply pipe such as ground water, an air intake port such as an air introduction pipe is formed downstream from the water supply pipe connection, and the raw water supply pipe is formed at the other end.
- a mixed-flow jet nozzle is provided with a mixed-flow jet that ejects a mixed flow of raw water fed from the air and air introduced from the air intake, and a jet-mixed flow containing a number of bubbles ejected from this mixed-flow jet nozzle Is struck against the water surface of the filter medium layer located below, and intense aeration occurs in the water and the surface of the filter medium, so that soluble components such as iron and manganese in the water are oxidized to become insoluble components and form flocs. Or it is captured on the surface of the filter media such as filter sand that precipitates to form a filter media layer, and it does not require any oxidizer and so on. It can be insolubilized other soluble components filtration.
- the action of the mixed flow nozzle will be described in more detail.
- the raw water that has passed through the mixed flow nozzle is mixed with the air introduced from the air intake port so that the dissolved oxygen is saturated, and the soluble ferrous oxide ions in the raw water are Oxidized by dissolved oxygen, an ionic iron hydroxide film is formed on the surface of the filtered sand.
- This coating serves as a catalyst to promote the oxidation of soluble ferrous ions and further enhance the iron removal rate as ferric hydroxide.
- This ferric hydroxide also adheres to the filter sand.
- the pipe of the mixed flow nozzle is made of stainless steel, the inner wall of the pipe does not rust, but ferric hydroxide and other oxides are formed on the inner wall downstream of the air intake port of the mixed flow nozzle. Accumulates rapidly, and the deposit solidifies to form a thick layer, causing clogging of the mixed flow nozzle. Therefore, in this water treatment equipment, it is necessary to periodically remove the mixed flow nozzle every several months, etc., and to scrape off this oxide deposit with a drill. If the accumulation is heavy, the inside of the mixed flow nozzle is washed with hydrochloric acid or the like. Work to do. For this reason, the water treatment work must be stopped during this period, and the work efficiency is deteriorated.
- the present invention is considered in view of the problems of the conventional water treatment apparatus described above, and does not require frequent sediment removal work, and it is a simple apparatus on the inner wall of the raw water / air mixed flow nozzle of the water treatment apparatus.
- An object of the present invention is to provide a mixed flow nozzle capable of preventing the occurrence of deposition and solidification of an oxide such as iron hydroxide.
- the present inventor has focused on the strength of the energy of the jet flow passing through the mixed flow nozzle, and using the energy of this jet flow, By installing a member that collides with the mixed flow at the downstream side of the air intake port, moves by the force received from the mixed flow, and contacts the inner wall of the mixed flow nozzle, it is not necessary to apply human power or any power from the outside automatically
- the present inventors have found that the inner wall of the mixed flow nozzle can be washed.
- a water pipe connecting portion connected to the water pipe is formed at one end of the nozzle, and the downstream side from the water pipe connecting portion is formed.
- An air intake port is formed, and a mixed flow nozzle is formed at the other end of the nozzle.
- the mixed flow nozzle ejects a mixed flow of water and air as a jet flow.
- the mixed flow nozzle is fixed to the nozzle tube wall on the downstream side of the air intake port.
- a nozzle inner wall cleaning means is provided that extends in the vicinity of the mixed flow jet outlet, collides with the mixed flow, and continuously moves in the nozzle so as to be swung by the force received from the mixed flow to contact the nozzle inner wall.
- a mixed flow nozzle is provided.
- the nozzle inner wall cleaning means is a twisted chain.
- the twisted chain is fixed to both sides in the radial direction of the nozzle tube wall by pins passed through the upper end portion thereof, and hangs down from the radial center portion of the nozzle. .
- the pin is provided with a pair of upper and lower sides in the longitudinal direction of the nozzle.
- the nozzle inner wall cleaning means is a plurality of wires attached to a swivel.
- the diameter of the inner wall of the nozzle is larger on the downstream side than on the upstream side, and the inner diameter of the transition portion from the small diameter portion on the upstream side to the large diameter portion on the downstream side gradually increases. It is formed as follows.
- the inside of the nozzle is fixed to the nozzle tube wall on the downstream side of the air intake port, extends near the mixed flow outlet, collides with the mixed flow, and turns by the force received from the mixed flow.
- the nozzle inner wall cleaning means comprising a member that contacts the nozzle inner wall by continuously moving the nozzle is automatically cleaned without the need to apply human power or any power from the outside.
- the nozzle inner wall cleaning means by configuring the nozzle inner wall cleaning means with a twisted chain, a commercially available inexpensive chain can be used, and the object of the present invention can be achieved efficiently with a simple device. Can do.
- the twisted chain is fixed to both sides of the nozzle tube wall in the radial direction by pins passed through the upper end portion thereof, and is easily suspended by hanging from the central portion in the radial direction of the nozzle.
- the torsion chain can be fixed to the tube wall by a simple member, and the torsion chain can be supported at the center of the nozzle, enabling smooth movement of the torsion chain.
- the upper pin in the longitudinal direction of the nozzle is provided in a pair so that the upper pin that comes into direct contact with the moving chain is cut by abrasion due to friction with the moving chain. Even so, the chain is held by the lower chain and prevented from falling.
- the nozzle inner wall cleaning means is composed of a plurality of wires attached to the swivel, so that the plurality of wires rotate and come into contact with the nozzle inner wall, and can be efficiently used with a simple device.
- the object of the present invention can be achieved.
- the diameter of the inner wall of the nozzle is larger on the downstream side than on the upstream side, and the inner diameter of the transition from the small diameter portion on the upstream side to the large diameter portion on the downstream side gradually increases. Since there is no level difference in this transition part, this transition part is also cleaned in contact with the small-diameter part on the downstream side by the nozzle inner wall cleaning means that performs a swiveling motion, and oxide solidification is solidified in the transition part. Can be prevented.
- FIG. 1 is a partial sectional view showing a preferred embodiment of a mixed flow nozzle according to the present invention.
- the mixed flow nozzle of the present invention is not limited to a water treatment device for the purpose of filtering ground water, but can be applied to a wide range of water treatment devices, but in this embodiment, iron, manganese, etc. from ground water. The case where it applies to the water treatment apparatus of the said patent document 1 etc. for filtering water is demonstrated.
- a mixed flow nozzle 1 is formed with a water supply pipe connection portion connected to a water supply pipe (not shown) at one end portion 2 which is the upper end portion in use, and nozzles for air from the outside downstream from the water supply pipe connection portion 2.
- An air intake port 3 to be introduced into the inside is formed, and raw water (groundwater) supplied from the water pipe connecting portion 2 and air introduced from the air intake port 3 are formed at the other end corresponding to the upper and lower ends of the mixed flow nozzle 1.
- a mixed flow outlet 4 is formed for jetting the mixed flow as a jet flow.
- the diameter of the inner wall of the mixed flow nozzle 1 is such that the downstream pipe 6 is larger in diameter than the upstream pipe 5, and the same inner diameter as the pipe 5 is between the small diameter pipe 5 and the large diameter pipe 6.
- the joint portion 7 is interposed. Screws are provided on the outer wall of the joint portion 7, and are connected to the pipelines 5 and 6 at both ends of the joint portion 7 by ring-shaped couplings 8 and 9 each having a screw on the inner wall.
- the mixed flow is fixed to the pipe wall of the mixed flow nozzle 1 on the downstream side of the air intake port 3, extends near the mixed flow outlet 4, collides with the mixed flow, and turns by the force received from the mixed flow.
- the nozzle inner wall cleaning means 10 that contacts the inner wall of the mixed flow nozzle 1 by continuously moving in the nozzle 1 is constituted by a twisted chain 11 in this embodiment.
- the twisted chain 11 is formed by connecting a number of twisted rings 11a in a straight line with a twisted ring 11a obtained by bending a part of an elliptical ring as a structural unit. It is a chain.
- the twisted chain can be made of commercially available steel or other metal, but the material of the chain may be a material other than metal such as hard plastic, and the shape of the twisted chain is other than that shown in FIG. Also good.
- the twisted chain is effective in achieving the object of the present invention because it can continuously perform the pivoting motion, but it constitutes a normal untwisted flat elliptical ring or circular ring.
- the unit chain (flat chain) does not move because the mixed flow collides with the chain and falls vertically along the chain, so that the turning operation does not occur, which is not suitable for achieving the object of the present invention. I understood it.
- the pin 12 having a shape as shown in the perspective view of FIG. 3 is passed through the ring 11a at one end portion (the upper end portion in use) of the twist chain 11.
- the pin 12 includes a linear chain support portion 12a that supports the twisted chain 11, a rising portion 12b that rises from both ends thereof, a short linear shape that bends from the tip of the rising portion 12b and extends substantially parallel to the chain support portion 12a.
- the fixed portion 12c is formed by an integrally formed spring.
- the spring material may be other materials such as hard plastic other than steel.
- the twisted chain 11 is mixed.
- the torsion chain 11 hangs down directly from the radial center of the mixed flow nozzle 1 so as to pin 12. Suspended by. If the lower end of the torsion chain 11 reaches the vicinity of the mixed flow outlet 4, even if it is located slightly above (upstream) from the lower end of the mixed flow outlet 4, the accumulation and solidification of oxide can be generally prevented.
- the twisted chain 11 is positioned so that the lower end of the twisted chain 11 protrudes outward from the mixed flow outlet 4 because oxide deposition can be completely prevented.
- the raw water supplied from the water supply pipe connecting portion 2 and the air introduced from the air intake port 3 are mixed in a pipeline portion extending from the air intake port 3 to the vicinity of the fixing portion of the pin 12,
- this mixed flow flows down the pipe line 6 as a jet flow containing a large amount of dissolved oxygen
- the mixed flow collides with each torsion ring 11a constituting the twist chain 11, and the torsion ring 11a is laterally or obliquely moved by the force of the mixed flow. move.
- the torsion chain 11 as a whole moves so as to turn in one direction (either clockwise or counterclockwise).
- one pin 12 is used to fix the torsion chain 11 to the pipe wall.
- You may make it fix the twist chain 11 to a pipe wall as a group.
- the upper pin 12-1 that directly contacts the twisted chain 11 is worn and cut by friction with the moving twisted chain 11.
- the chain is held by the lower chain 12-2 and prevented from falling. Further, if maintenance is performed so that the upper pin 12-1 is periodically replaced, such disconnection of the upper pin 12-1 can be prevented in advance.
- FIG. 4 is a partial cross-sectional view showing another modification of the above embodiment. 4, the same components as those in FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted.
- the diameter of the inner wall of the mixed flow nozzle 1 is such that the downstream pipe 5 has a larger diameter than the upstream pipe 5 and the joint portion 7.
- the upper end portion 13 of the pipeline 6 that is a transition portion from the joint portion 7 that is a portion to the pipeline 6 that is the large-diameter portion on the downstream side is formed so that its inner diameter gradually increases. Since there is no level difference, this transition portion 13 is also cleaned by contact with the small diameter portion of the downstream pipe 6 by the nozzle inner wall cleaning means that performs a swiveling motion, and prevents the oxide solidification from occurring in the transition portion 13. can do.
- FIG. 6 is a perspective view showing a nozzle inner wall cleaning means used in another embodiment of the mixed flow nozzle according to the present invention
- FIG. 7 is a cross-sectional view of a swivel used in the nozzle inner wall cleaning means of FIG.
- the nozzle inner wall cleaning means 14 is composed of a plurality of wires 16 attached to a swivel 15.
- the swivel 15 is composed of an upper part 15a and a lower part 15b obtained by dividing an elliptical sphere vertically into the major axis direction.
- the upper portion 15a and the lower portion 15b are rotatably connected to each other by a connecting member 17 formed by connecting the disc portion 17a and the lower disc portion 17b with a connecting rod 17c at the center.
- a pin 21 having a shape similar to that of the pin 12 of FIG.
- a plurality of wires 16 are connected to the connecting ring 19 at the lower end of the lower portion 15b in such a shape that the wires 16 diffuse radially.
- the operation of the nozzle inner wall cleaning means 14 is the same as that of the nozzle inner wall cleaning means 10 in the embodiment of FIG. 1.
- the mixed flow nozzle 1 When the mixed flow nozzle 1 is used, the mixed flow flows down the pipe 6 as a jet flow containing a large amount of dissolved oxygen.
- the mixed flow collides with the wires 16 constituting the nozzle inner wall cleaning means 14, and the wires are moved in the lateral direction or the oblique direction by the mixed flow force.
- the lower portion 15b of the swivel to which the wire 16 is connected and the wire 16 move as a whole so as to turn in one direction (either clockwise or counterclockwise).
- this movement is not limited to the turning of the wire tip (lower end), but the movement of the majority of the wire 16 other than the vicinity of the pin 21 and the swivel 15. Accordingly, the wire 16 rubs against the tube wall over almost the entire length of the pipe line where oxide deposition and solidification easily occur, and prevents the oxide from adhering to the pipe wall. As a result, as long as the jet mixed flow is flowing, the accumulation and solidification of the oxide on the tube wall is prevented.
- the nozzle inner wall cleaning means is not limited to the above, and the mixed flow is fixed to the nozzle tube wall on the downstream side of the air intake port.
- Any member of any shape and material can be used as long as it is a member that contacts the inner wall of the nozzle by extending in the vicinity of the jet outlet and continuously moving in the nozzle so as to collide with the mixed flow and turn by the force received from the mixed flow. Can be used.
- FIG. 1 is a mixed flow jet nozzle having the shape of FIG. 1, having a total length of 803 mm, an outer diameter of the pipe of 34 mm, a length of an inflow portion from the edge of the water pipe connecting portion 2 to the air intake port 3 of 173 mm, and a tube from the air intake port 3
- the length of the mixing part to the terminal edge of the path 5 was 150 mm
- the length of the pipe line 6 was 480 mm
- the inner diameter of the small diameter part was 16 mm
- the inner diameter of the large diameter part was 26 mm.
- all of the pipes 5 and 6 and the joint part 7 were formed of stainless steel pipes.
- a commercially available steel twist chain was used as an inner wall cleaning means.
- a steel wire having a diameter of 1 mm, a long diameter of 5.5 mm, and a short diameter of 4.5 mm was used as the unit twist ring of this chain.
- This twisted chain was passed through the pin so as to be exposed to the outside by about 10 mm from the mixed flow outlet 4.
- the groundwater was continuously flowed at a flow rate of 10 to 35 m / sec through the mixed flow nozzle of the embodiment of the present invention and the control mixed flow nozzle, and the process of depositing and solidifying oxides in both mixed flow nozzles was observed.
- the control nozzle was clogged due to oxide solidification, and water was ejected from the air intake after 55 days.
- the nozzle of the embodiment of the present invention almost no oxide deposition was observed at this point, and the experiment was terminated after three months. Even at this point, almost no oxide deposition occurred on the inner wall of the tube. It wasn't.
- the small amount of sediment was not a solidified solid but a soft clay-like material that could be easily washed with water.
- the amount of dissolved oxygen in the mixed flow was the same as that of the control product, and the amount of dissolved oxygen at the start and end of the experiment was not changed. This means that there is no influence on the amount of dissolved oxygen by attaching the nozzle inner wall cleaning means.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
- Cleaning In General (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
図1は本発明に係る混流ノズルの好ましい1実施形態を示す部分断面図である。本発明の混流ノズルは、地下水の濾過を目的とする水処理装置に限らず、広範囲の水処理装置に適用することが可能なものであるが、本実施形態においては、地下水から鉄、マンガン等を濾過するための上記特許文献1等の水処理装置に適用された場合について説明する。
2 送水管連結部
3 空気取入れ口
4 混流噴出口
10、14 ノズル内壁洗浄手段
11 ねじれチェーン
12 ピン
15 スウィベル
16 ワイヤ
Claims (6)
- ノズルの一端部に送水管に連結される送水管連結部が形成され、該送水管連結部から下流側に空気取入れ口が形成され、ノズルの他端部には水と空気の混流をジェット流として噴出する混流噴出口が形成された混流ノズルにおいて、該空気取入れ口の下流側においてノズル管壁に固定され該混流噴出口近傍に延長し、前記混流と衝突し、該混流から受ける力によって旋回するようにノズル内を連続的に移動することによってノズル内壁に接触する部材からなるノズル内壁洗浄手段を備えることを特徴とする混流ノズル。
- 該ノズル内壁洗浄手段はねじれチェーンであることを特徴とする請求項1記載の混流ノズル。
- 該ねじれチェーンはその上端部に通されたピンによって該ノズル管壁の半径方向両側に固定されており、ノズルの半径方向中央部から垂下することを特徴とする請求項2記載の混流ノズル。
- 該ピンはノズルの長手方向に上下1組が設けられていることを特徴とする請求項3記載の混流ノズル。
- 該ノズル内壁洗浄手段はスウィベルに取り付けられた複数のワイヤであることを特徴とする請求項1記載の混流ノズル。
- 該ノズルの内壁の径は下流側が上流側よりも大径であり、上流側の小径部から下流側の大径部への移行部分はその内径が漸次増加するように形成されていることを特徴とする請求項1記載の混流ノズル。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127025231A KR20120127514A (ko) | 2010-04-22 | 2011-03-31 | 혼류 노즐 |
US13/583,289 US20130068855A1 (en) | 2010-04-22 | 2011-03-31 | Mixed stream nozzle |
EP11771849A EP2561924A1 (en) | 2010-04-22 | 2011-03-31 | Mixed-flow nozzle |
SG2012074217A SG184467A1 (en) | 2010-04-22 | 2011-03-31 | Mixed-flow nozzle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010098586A JP5487486B2 (ja) | 2010-04-22 | 2010-04-22 | 混流ノズル |
JP2010-098586 | 2010-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011132512A1 true WO2011132512A1 (ja) | 2011-10-27 |
Family
ID=44834046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/058188 WO2011132512A1 (ja) | 2010-04-22 | 2011-03-31 | 混流ノズル |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130068855A1 (ja) |
EP (1) | EP2561924A1 (ja) |
JP (1) | JP5487486B2 (ja) |
KR (1) | KR20120127514A (ja) |
SG (1) | SG184467A1 (ja) |
WO (1) | WO2011132512A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6069990B2 (ja) * | 2011-09-16 | 2017-02-01 | 株式会社リコー | 静電潜像現像用キャリア、現像剤、及び画像形成装置 |
JP2020163357A (ja) * | 2019-03-29 | 2020-10-08 | アクアス株式会社 | インラインミキサ |
CN112191377B (zh) * | 2020-09-04 | 2021-08-06 | 邹城兖矿泰德工贸有限公司 | 刚玉喷头 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58174229U (ja) * | 1982-05-18 | 1983-11-21 | 日立造船株式会社 | 気体混合装置 |
JP2002126768A (ja) | 2000-10-24 | 2002-05-08 | Tadayoshi Nagaoka | 水処理装置 |
JP2003275554A (ja) * | 2002-03-19 | 2003-09-30 | Yamane Nobokujo:Kk | 水処理装置、及び水処理ユニット |
JP2007237110A (ja) * | 2006-03-10 | 2007-09-20 | Kuritaz Co Ltd | 液体混合装置及び液体混合方法 |
JP2008302323A (ja) * | 2007-06-08 | 2008-12-18 | Matsumura Gumi Corp | 汚染水曝気装置及び汚染水浄化装置 |
US20090101670A1 (en) * | 2007-10-22 | 2009-04-23 | The Fountainhead Group, Inc. | Mixing applicator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1957138A (en) * | 1929-12-30 | 1934-05-01 | Firm G Polysius Ag | Apparatus for treating cement slurry and the like |
US1952765A (en) * | 1931-07-02 | 1934-03-27 | Frederick R Maurer | Powder sprayer |
BE545559A (ja) * | 1955-03-21 | |||
US2804338A (en) * | 1956-01-16 | 1957-08-27 | Temple Safety On Sea Mfg Co In | Nozzles for water hose |
US5106543A (en) * | 1990-08-17 | 1992-04-21 | Dodds Diego E F | Apparatus and method for controlling the discharge or continuous bleed-off of cooling water and evaporative coolers |
US5174651A (en) * | 1991-03-12 | 1992-12-29 | Gaddis Petroleum Corporation | Low shear polymer dissolution apparatus |
BRPI0603592A (pt) * | 2006-08-22 | 2008-04-08 | Vale Do Rio Doce Co | dispositivo aerador de lìquidos ou polpas |
-
2010
- 2010-04-22 JP JP2010098586A patent/JP5487486B2/ja active Active
-
2011
- 2011-03-31 EP EP11771849A patent/EP2561924A1/en not_active Withdrawn
- 2011-03-31 SG SG2012074217A patent/SG184467A1/en unknown
- 2011-03-31 KR KR1020127025231A patent/KR20120127514A/ko not_active Application Discontinuation
- 2011-03-31 WO PCT/JP2011/058188 patent/WO2011132512A1/ja active Application Filing
- 2011-03-31 US US13/583,289 patent/US20130068855A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58174229U (ja) * | 1982-05-18 | 1983-11-21 | 日立造船株式会社 | 気体混合装置 |
JP2002126768A (ja) | 2000-10-24 | 2002-05-08 | Tadayoshi Nagaoka | 水処理装置 |
JP2003275554A (ja) * | 2002-03-19 | 2003-09-30 | Yamane Nobokujo:Kk | 水処理装置、及び水処理ユニット |
JP2007237110A (ja) * | 2006-03-10 | 2007-09-20 | Kuritaz Co Ltd | 液体混合装置及び液体混合方法 |
JP2008302323A (ja) * | 2007-06-08 | 2008-12-18 | Matsumura Gumi Corp | 汚染水曝気装置及び汚染水浄化装置 |
US20090101670A1 (en) * | 2007-10-22 | 2009-04-23 | The Fountainhead Group, Inc. | Mixing applicator |
Also Published As
Publication number | Publication date |
---|---|
US20130068855A1 (en) | 2013-03-21 |
EP2561924A1 (en) | 2013-02-27 |
JP5487486B2 (ja) | 2014-05-07 |
SG184467A1 (en) | 2012-11-29 |
KR20120127514A (ko) | 2012-11-21 |
JP2011224502A (ja) | 2011-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5313139B2 (ja) | 井戸洗浄装置 | |
CN103764244B (zh) | 水处理装置的上层清洗装置及水处理装置滤材层的清洗方法 | |
JP5487486B2 (ja) | 混流ノズル | |
CN103370029B (zh) | 用于清洁片剂的溶解室 | |
CN209333996U (zh) | 可在线更换的喷射管及带钢清洗装置 | |
US20100327095A1 (en) | Water treatment systems and methods | |
CN204234419U (zh) | 管道清洗装置 | |
CN115947428A (zh) | 一种高沉淀污水处理系统 | |
CN102030408B (zh) | 一种多药剂协同微孔曝气系统在线清洗装置 | |
JP2013056326A (ja) | 配管洗浄方法 | |
CN104307286A (zh) | 高效复合型除尘装置 | |
CN109708518B (zh) | 用于脱盐污水换热器的清洗药剂、在线清洗方法及系统 | |
JP7080465B2 (ja) | ストレーナ | |
US10934180B1 (en) | Hydrodynamic cavitation device | |
CN203990192U (zh) | 文丘里喷淋头及文丘里洗涤器 | |
CN107583317A (zh) | 一种污水处理系统 | |
CN101985087B (zh) | 一种无动力吸粉、连续分散混合的方法及其装置 | |
CN202289667U (zh) | 一种直管式过滤装置 | |
CN102179158B (zh) | 适用于石灰石/电石渣-石膏法烟气脱硫系统的喷淋管路 | |
CN213826242U (zh) | 一种管道清洗装置 | |
CN212127738U (zh) | 一种用于造气洗气塔循环水过滤装置 | |
CN218409039U (zh) | 一种用于湿氧系统的在线防管口堵塞构件 | |
CN217430912U (zh) | 一种废水沉淀用导流装置 | |
CN210645350U (zh) | 一种烟道气脱硫脱硝系统 | |
JPS5855352Y2 (ja) | 熱交換器用パイプクリ−ニング装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11771849 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13583289 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20127025231 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 8894/CHENP/2012 Country of ref document: IN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011771849 Country of ref document: EP |