CN1234618C - Apparatus for killing and reducing microbe in liquid - Google Patents

Apparatus for killing and reducing microbe in liquid Download PDF

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Publication number
CN1234618C
CN1234618C CNB021461171A CN02146117A CN1234618C CN 1234618 C CN1234618 C CN 1234618C CN B021461171 A CNB021461171 A CN B021461171A CN 02146117 A CN02146117 A CN 02146117A CN 1234618 C CN1234618 C CN 1234618C
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China
Prior art keywords
liquid
slit
slit plate
plate
pipe
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CNB021461171A
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CN1422810A (en
Inventor
城野清治
田村秀行
田中笃
岛津裕树
吉冈起一郎
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MARINE DEVELOPMENT TECHNOLOGY INST Co Ltd
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MARINE DEVELOPMENT TECHNOLOGY INST Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The present invention provided an apparatus for killing microorganisms in liquid and for reducing the number of microorganisms in a liquid at a low cost by destructing, killing and reducing microorganisms in the liquid by shearing treatment utilizing a shearing phenomenon (sudden difference between flow velocities due to a place) present in turbulent flows in the liquid and also easy in the enhnacement of treatment capacity. A slit plate 3 having a plurality of elongated slit-like openings 31 is attached to the inside of a pipe 2 on the way of the pipe 2 in a cross-sectional direction and a pump 4 for feeding a liquid containing microorganisms into the pipe 2 toward the slit plate 3 is attached to the pipe 2.

Description

Apparatus for killing and reducing microbe in the liquid
Technical field
The present invention relates to a kind of subtracting extremely is contained in the seawater, in the fresh water or the animal plankton in the liquid such as liquid in addition, plant plankton, microorganisms such as bacterium are to reduce in the seawater, in the fresh water and the technology of the microbial numbers in the liquid such as other liquid, particularly relate to the apparatus for killing and reducing microbe in a kind of like this liquid, apparatus for killing and reducing microbe utilization in this liquid is present in the shearing phenomenon (because the flow velocity that causes of flow field is rapid poor) of the inside of the turbulent flow in the liquid, by this shear fracture and the microorganism that kills in the depletion body, in addition, the percussive pressure that produces when breaking up air pocket (cavitation) is destroyed and is subtracted not microorganism by shear fracture extremely further it is subtracted extremely.
Background technology
Past, as complete sterilization or subtract in the seawater that is contained in for example inaccessible marine site and waters, water storage tank etc., in the fresh water extremely or liquid such as liquid in addition in the means of microorganism of animal plankton, plant plankton, bacterium etc., known have chemical substances such as for example using medicine that microorganism is carried out sterilization, or remove by filter microorganism by aggegation, or make it lose the propagation function, or utilize means such as air pocket and ultrasonic wave destroy microorganisms by uviolizing.
Yet the occasion of the chemical substance of use medicine etc. can cause environmental problem during owing to its treating water of discharge, so, the other disposal that needs to neutralize, remove these materials.
In addition, have not based on the method for chemical process though consider environmental problem, there is the limit in the treatment capacity of unit time, does not have hundreds of m 3-thousands of m 3/ hour the device of processing power.
Like this, in existing method and apparatus, there is the problem of processing afterwards and processing power, in addition, has the very high problem of cost.In addition, in the processing of the microorganism in liquid, need the occasion of complete killing microorganisms, also exist to need only the occasion that reduces microbial numbers and do not need to eliminate fully.
Summary of the invention
The present invention makes in view of the above problems, be used to address the above problem, its purpose is to provide the apparatus for killing and reducing microbe in a kind of liquid, apparatus for killing and reducing microbe utilization in this liquid is present in the shearing phenomenon (because the flow velocity that causes of flow field is rapid poor) of the inside of the turbulent flow in the liquid, by the microorganism in this shear fracture liquid it is subtracted extremely, in addition, the percussive pressure that produces when breaking up air pocket is further destroyed and is subtracted not microorganism by shear fracture extremely, with the microbial numbers in the low cost minimizing liquid, and improve processing power easily.
In order to reach above purpose, towards the cross-sectional direction of this pipe the slit plate with a plurality of elongate slit openings hole is installed in the stream of the 1st invention in pipe, the pump of the liquid that comprises microorganism is carried in installation towards the slit plate in the pipe on pipe, when the liquid that comprises microorganism passes through slit plate, the inside of the liquid stream before and after the slit opening hole produces the shear zone, by the microorganism of shearing in the phenomenon destruction liquid it is subtracted extremely.
In addition, fore-and-aft direction devices spaced apart ground at this pipe in the stream of the 2nd invention in pipe is installed anterior slit plate and the rear portion slit plate with a plurality of elongate slit openings hole respectively towards the cross-sectional direction of this pipe, simultaneously, the rear that makes the inaccessible plate face portion of rear portion slit plate be positioned at the slit opening hole of anterior slit plate prolongs on the straight line, and the position in the slit opening hole of the slit opening hole of the anterior slit plate that staggers and rear portion slit plate, the pump that comprises the liquid of microorganism in the slit plate conveying that anterior slit plate in pipe and rear portion are installed on the pipe, when the liquid that comprises microorganism passes through anterior slit plate, the inside of the liquid stream before and after the slit opening hole produces the shear zone, destroy and kill microorganism in the depletion body by shearing phenomenon, simultaneously, when the slit opening hole of aforesaid liquid by anterior slit plate, produce air pocket, destroy and subtract extremely not by the microorganism in the anterior slit plate destructive liquid by the percussive pressure that when the rear portion slit plate breaks up this air pocket, produces.
Here, preferably slit plate is made of 2 amalgamation slit plates, described amalgamation slit plate disposes a plurality of inaccessible plates, and be separated with open pore between each inaccessible plate, the width of open pore is wideer than the width of inaccessible plate, in each bigger open pore of the width of a side amalgamation slit plate, insert each inaccessible plate of the opposing party's amalgamation slit plate, gap location at bigger each open pore of width and each inaccessible plate forms the elongate slit opening hole, and, flow direction along the liquid in the pipe can move freely 2 amalgamation slit plates mutually relatively towards front and back, so that the slit opening hole can freely enlarge.In addition, the elongate slit opening hole is made of elongated rectangular open pore or elongated circular-arc open pore.
Description of drawings
Fig. 1 is the pie graph that the apparatus for killing and reducing microbe in the liquid of first embodiment of the invention is shown.
Fig. 2 (A) is the sectional drawing of the slit plate in the pipe that first embodiment of the invention is shown, and Fig. 2 (B) is the front view that the slit plate of first embodiment of the invention is shown, and Fig. 2 (C) is another routine front view that the slit plate of first embodiment of the invention is shown.
The sectional drawing of Fig. 3 (A) when the moving forward and backward of amalgamation slit plate in the pipe of first embodiment of the invention is shown, the skeleton view of watching from face side when Fig. 3 (B) moves forward and backward for the amalgamation slit plate that first embodiment of the invention is shown.
Fig. 4 is near the Action Specification figure in slit opening hole that first embodiment of the invention is shown.
Fig. 5 is the pie graph that the apparatus for killing and reducing microbe in the liquid of second embodiment of the invention is shown.
Fig. 6 (A) is the sectional drawing of the anterior posterior slit plate in the pipe that second embodiment of the invention is shown, Fig. 6 (B) is the front view that the anterior posterior slit plate of second embodiment of the invention is shown, and Fig. 6 (C) is another routine front view that the anterior posterior slit plate of second embodiment of the invention is shown.
The sectional drawing of Fig. 7 (A) when the moving forward and backward of amalgamation slit plate in the pipe of second embodiment of the invention is shown, the skeleton view of watching from face side when Fig. 7 (B) moves forward and backward for the amalgamation slit plate that second embodiment of the invention is shown.
Fig. 8 is near the Action Specification figure in slit opening hole that second embodiment of the invention is shown.
Fig. 9 is the Action Specification figure that the rear portion slit plate side of second embodiment of the invention is shown.
Figure 10 is the figure that subtracts experimental example extremely that animal plankton of the present invention is shown.
Figure 11 is the enforcement state that subtracts experimental example extremely that illustrates according to animal plankton of the present invention.
Figure 12 is the principle explanatory view.
Embodiment
Below, Ji Zai working of an invention mode more specifically illustrates the present invention with reference to the accompanying drawings.
(first embodiment)
Fig. 1 is the pie graph of the apparatus for killing and reducing microbe in the liquid, Fig. 2 (A) is the sectional drawing of the slit plate in the pipe, Fig. 2 (B) is the front view of slit plate, Fig. 2 (C) is another routine front view of slit plate, sectional drawing when Fig. 3 (A) is moving forward and backward of the interior amalgamation slit plate of pipe, the skeleton view of watching from face side when Fig. 3 (B) moves forward and backward for the amalgamation slit plate, Fig. 4 is near the Action Specification figure the slit opening hole.
In the drawings, the utilization of apparatus for killing and reducing microbe 1 in the liquid is present in the shearing phenomenon (because the flow velocity that the flow field causes is rapid poor) of the inside of the turbulent flow in the liquid, by the microorganism in this shear fracture liquid, thus subtract extremely be contained in the seawater for example, in the fresh water or liquid such as liquid in addition in microorganism such as animal plankton, plant plankton, bacterium.
Apparatus for killing and reducing microbe 1 in this liquid is used for the removal of the microorganism that for example planktonic removal, the sterilization in pond, water tank, the liquid tank of planktonic removal, pond and the lake water of ship ballast water produce, removal of red tide etc.
Apparatus for killing and reducing microbe 1 in the liquid by the pipe 2, slit plate 3, and pump 4 constitute, this pipe 2 is used to make the liquid flow mistake that comprises microorganisms such as animal plankton, plant plankton, bacterium, this slit plate 3 is installed in the stream of pipe in 2, and the liquid that this pump 4 will the comprise microorganism above flow velocity of flow velocity is in accordance with regulations sent into slit plates 3 in the pipe 2.
The stream that pipe 2 is crossed for the liquid flow that makes microorganisms such as comprising animal plankton, plant plankton, bacterium uses for example little round tube of water resistance of inner peripheral surface usually.In the little occasion of the water resistance of inner peripheral surface, pipe 2 also can use for example square cross-section beyond the round tube.
The ability decision of the flow of the liquid that comprises microorganism that the diameter of pipe 2 is handled according to flowing in pipe 2 and the pump 4 of use.Usually, in the occasion that improves processing power, the diameter of pipe 2 also uses big diameter.
In addition, the liquid that comprises microorganism in the pipe 2 above flow of flow in accordance with regulations carries out force feed, so pipe 2 uses and can bear its hydraulic material.For this reason, pipe 2 generally uses for example steel pipe, but no problem as material, also can use steel pipe material in addition.
By hindering the mobile direction, promptly cross-sectional direction is installed slit plate 3 in the stream in pipe 2.Slit plate 3 is installed with for example vertical direction with respect to the flow direction of pipe 2.Slit plate 3 has makes the microorganism that produces in the inside of the liquid stream of pipe in 2 in the destruction liquid function with its shearing phenomenon that subtracts extremely.
Slit plate 3 has the circle identical with it at the interior shape of pipe 2 for circular occasion, installs in pipe 2 inner peripheral surface ground with tight joint.On the surface of slit plate 3, form many elongate slit opening holes 31, the inside of the liquid stream of this slit opening hole 31 in pipe 2 produces shear zone a.
The a plurality of elongate slit openings hole 31 that is formed at slit plate 3 surfaces is made of the shape of the rectangular open pore of for example elongated hole as shown in the figure like that.The slit opening hole 31 of the rectangular shape that this is elongated forms many abreast on the surface of slit plate 3.Each parallel slit opening hole 31 towards any direction that can be above-below direction, left and right directions or vergence direction.
In addition, a plurality of elongate slit opening hole 31 that is formed at slit plate 3 surfaces also can be for example elongated circular-arc open pore shape as shown in the figure like that.This elongated circular-arc slit opening hole 31 forms many along concentrically ringed radially devices spaced apart ground on the surface of slit plate 3.
, be formed at length overall the having or not and the size decision in the gap in slit opening hole 31 and the slit opening hole 31 on slit plate 3 surfaces according to the ability of being expected that subtracts effect, pump 4 extremely, the intravital solid matter of object liquid.
The pump 4 above flow of the flow liquid that will comprise microorganism is in accordance with regulations sent into slit plates 3 in the pipe 2, utilizes the slit opening hole 31 of slit plate 3 to make the inside generation shear zone a of the liquid stream in pipe 2, and it is installed on the pipe 2 of slit plate 3 upstream sides.
In pipe 2, carry the liquid comprise microorganism pump 4 as for have can be corresponding in the slit opening hole 31 and the pump of the pressure capacity of the pressure-losses of the pipe arrangement generation of pipe 2, then pay no attention to its kind.For example thousands of m 3/ hour impeller pump also can use.
, slit plate 3 in use exists the part of the impurity in the liquid to be attached to slit opening hole 31 and causes slit opening hole 31 blocking problem.As its countermeasure, constitute slit plate 3 by 2 amalgamation slit plate 3a, 3b, can make for the flow direction of the liquid of pipe in 2 amalgamation slit plate 3a and amalgamation slit plate 3b towards front and back relative moving freely, become and enlarge slit opening hole 31, that is, the width of expanded hole prevents the mechanism that impurity stops up.
Each amalgamation slit plate 3a, 3b of 2 constituting slit plate 3 dispose a plurality of inaccessible plate 32a, 32b and make it separate the open pore 33a wideer than this obturation plate 32a, 32b, the interval of 33b.
Each inaccessible plate 32a of amalgamation slit plate 3a is inserted into each open pore 33b of the amalgamation slit plate 3b wideer than inaccessible plate 32a, simultaneously, each inaccessible plate 32b of amalgamation slit plate 3b is inserted into each open pore 33a of the amalgamation slit plate 3a wideer than inaccessible plate 32b, in the gap location formation elongate slit opening hole 31 of each open pore 33a, 33b with each inaccessible plate 32a, the 32b of big width.
Below, the effect based on the formation of the embodiment of foregoing invention is described.
An end that constitutes the pipe 2 of the apparatus for killing and reducing microbe 1 in the liquid is connected to comprises in the liquid that process object liquid is microorganisms such as animal plankton, plant plankton, bacterium, make pump 4 starts.
The liquid that comprises microorganism flow in the pipe 2 from managing an end of 2, towards the slit plate 3 that is installed on pipe 2 inside flow velocity, for example above flow rate of 15m/s in accordance with regulations.The liquid that comprises microorganism of the flow rate more than the flow velocity arrives the slit plate 3 that forms slit opening hole 31 on the surface in accordance with regulations, pressure ground is arranged by elongated and narrow and small slit opening hole 31, under the other end effluent of pipe 2.
At this moment, near the inlet side in a plurality of slit openings hole 31 that is formed at slit plate 3 surfaces and outlet side, because the flow field produces the rapid poor of flow velocity, shear zone a takes place.At shear zone a, by being present in the inner shearing phenomenon of turbulent flow to swimming in the object effect shearing force of liquid internal.
Destroy microorganisms such as the intravital animal plankton of liquid, plant plankton, bacterium by the shearing force that acts on liquid internal.Like this, can kill the microorganism in the depletion body, reduce the microbial numbers that is contained in this liquid.
Like this, when forming the slit plate 3 in slit opening hole 31, destroy being contained in the intravital a large amount of microorganism of liquid it is subtracted extremely from the liquid that comprises a large amount of microorganisms of managing 2 one distolateral importings, the liquid that has reduced microbial numbers is from managing another distolateral discharge of 2.
In addition, the occasion that constitutes by 2 amalgamation slit plate 3a, 3b at slit plate 3, when owing to using when slit opening hole 31 attached microbials stop up, make amalgamation slit plate 3a and amalgamation slit plate 3b with respect to the flow direction of the liquid in the pipe 2 relative to moving towards front and back.That is, make amalgamation slit plate 3a move to the place ahead of amalgamation slit plate 3b or make amalgamation slit plate 3b move to the rear of amalgamation slit plate 3a.
When amalgamation slit plate 3a and amalgamation slit plate 3b when front and back relatively move, insert that inaccessible plate 32a, 32b make narrowed width and the open pore 33a, the 33b that form slit opening hole 31 owing to inaccessible plate 32a, 32b towards the front side or rear side move the width that makes slit opening hole 31 and become big.As a result, be attached to the slit opening hole 31 of narrow width and the impurity that causes stopping up is washed out simply from the slit opening hole 31 that has broadened by the flow velocity of liquid and breaks away from, thereby eliminate the latch up phenomenon in slit opening hole 31.When latch up phenomenon is eliminated, make relative to the amalgamation slit plate 3a and the amalgamation slit plate 3b that have moved towards front and back and return to original state, but the affirmation of this recovery is by for example pressure warning unit approval that is arranged at slit plate 3 downstream sides.
(second embodiment)
Fig. 5 is the pie graph of the apparatus for killing and reducing microbe in the liquid, Fig. 6 (A) is the sectional drawing of the anterior posterior slit plate in the pipe, Fig. 6 (B) is the front view of anterior posterior slit plate, Fig. 6 (C) is another routine front view of anterior posterior slit plate, sectional drawing when Fig. 7 (A) is moving forward and backward of the interior amalgamation slit plate of pipe, the skeleton view of watching from face side when Fig. 7 (B) moves forward and backward for the amalgamation slit plate, Fig. 8 is near the Action Specification figure in slit opening hole of anterior slit plate, and Fig. 9 is the Action Specification figure of rear portion slit plate side.
In the drawings, for be contained in the seawater for example, in the fresh water or liquid such as liquid in addition in microorganism such as animal plankton, plant plankton, bacterium, the utilization of apparatus for killing and reducing microbe 5 in the liquid is present in the shearing phenomenon (because the flow velocity that the flow field causes is rapid poor) of the inside of the turbulent flow in the liquid, by the microorganism in this shear fracture liquid it is subtracted extremely, in addition, the percussive pressure that produces when breaking up air pocket is further destroyed and is not subtracted extremely and destroys and remaining microorganism by shearing phenomenon.
Apparatus for killing and reducing microbe 5 in this liquid is used for the removal of the microorganism that for example planktonic removal, the sterilization in pond, water tank, the liquid tank of planktonic removal, pond and the lake water of ship ballast water produce, removal of red tide etc.
Apparatus for killing and reducing microbe 5 in the liquid by pipe 6, anterior slit plate 7, rear portion slit plate 8, and pump 9 constitute, this pipe 6 is used to make the liquid flow mistake that comprises microorganisms such as animal plankton, plant plankton, bacterium, this front portion slit plate 7 and rear portion slit plate 8 are installed in the stream of managing in 6 and separate a certain interval, before and after for example the compartment of terrain of 5mm-15mm was installed on, the liquid that this pump 9 will the comprise microorganism above flow velocity of flow velocity was in accordance with regulations sent into anterior slit plate 7 and rear portion slit plates 8 in the pipe 6.
The stream that pipe 6 is crossed for the liquid flow that makes microorganisms such as comprising animal plankton, plant plankton, bacterium uses for example little round tube of water resistance of inner peripheral surface usually.In the little occasion of the water resistance of inner peripheral surface, pipe 6 also can use for example square cross-section beyond the round tube.
The ability decision of the flow of the liquid that comprises microorganism that the diameter of pipe 6 is handled according to flowing in pipe 6 and the pump 9 of use.Usually, in the occasion that improves processing power, the diameter of pipe 6 also uses big diameter.
In addition, the liquid that comprises the microorganism in the pipe 6 carries out force feed in accordance with regulations more than the flow, so pipe 6 uses and can bear its hydraulic material.For this reason, pipe 6 generally uses for example steel pipe, but no problem as material, also can use steel pipe material in addition.
In the stream of pipe in 6, be that cross-sectional direction is installed anterior slit plate 7 by obstruction mobile direction.Anterior slit plate 7 is installed with for example vertical direction with respect to the flow direction of pipe 6.The inside that anterior slit plate 7 has the liquid stream that makes in pipe 6 produces microorganism in the destruction liquid with the function of its shearing phenomenon that subtracts extremely.
Anterior slit plate 7 has the circle identical with it at the interior shape of pipe 6 for circular occasion, installs in pipe 6 inner peripheral surface ground with tight joint.Forwardly the surface of slit plate 7 forms many elongate slit opening holes 71, and the inside of the liquid stream of this slit opening hole 71 in pipe 6 produces shear zone a.This slit opening hole 71 also has the function that produces air pocket.
Forwardly separate a certain interval in the pipe 6 at the rear of slit plate 7, for example rear portion slit plate 8 is installed in the compartment of terrain of 5mm-15mm.The mobile direction of rear portion slit plate 8 in hindering pipe 6 be cross-sectional direction and also with the installation abreast on fore-and-aft direction of anterior slit plate 7.Rear portion slit plate 8 is similarly installed with for example vertical direction with respect to the flow direction of pipe 6 with anterior slit plate 7.
The air pocket that produces when rear portion slit plate 8 has the slit opening hole 71 of breaking up by anterior slit plate 7, when breaking up air pocket, produce the function of percussive pressure.Rear portion slit plate 8 is for breaking up the structure at the air pocket that does not partly take place for the inaccessible plate face 81a in slit opening hole 81.
For this reason, making the mid-way in 2 adjacent slit opening holes 71 of rear portion slit plate 8 is to install on the prolongation straight line at inaccessible plate face 81a 71 rears, slit opening hole that partly are positioned at anterior slit plate 7.That is, the slit opening hole 71 of anterior slit plate 7 and the slit opening hole 81 of rear portion slit plate 8 are in the position of alternately staggering, and are not on the same prolongation straight line with respect to the axis direction of managing 6.
The a plurality of elongate slit openings hole 71,81 that is formed at the surface of anterior slit plate 7, rear portion slit plate 8 is made of the shape of for example elongated rectangular open pore as shown in the figure like that.This elongated rectangular slit opening hole 71,81 forwardly forms many in the surface of slit plate 7, rear portion slit plate 8 abreast.The direction in each parallel slit opening hole 71,81 can be any direction of above-below direction, left and right directions or vergence direction.
In addition, be formed at a plurality of elongate slit openings hole 71,81 on the surface of anterior slit plate 7, rear portion slit plate 8 also can be as shown in the figure like that by for example shape of elongated circular-arc open pore.This elongated circular-arc slit opening hole 71,81 forwardly forms many in the surface of slit plate 7, rear portion slit plate 8 along concentrically ringed radially devices spaced apart ground.
, be formed at the slit opening hole 71 on anterior slit plate 7, rear portion slit plate 8 surfaces, the gap in slit opening hole 81, length overall the having or not and the size decision in slit opening hole 71,81 according to the ability of expecting that subtracts effect, pump 9 extremely, the intravital solid matter of object liquid.
Pump 9 is sent into the liquid that comprises microorganism in accordance with regulations towards anterior slit plate 7, rear portion slit plate 8 in the pipe 6 more than the flow, utilize the slit opening hole 71,81 of anterior slit plate 7, rear portion slit plate 8 to make the inside of the liquid stream in pipe 6 produce shear zone a, it is installed on the pipe 6 of anterior slit plate 7 upstream sides.
The liquid that will comprise microorganism be transported in the pipe 6 pump 9 as for have can be corresponding in the slit opening hole 71,81 and manage the pump of the pressure capacity of the pressure-losses that 6 pipe arrangement takes place, then pay no attention to its kind.For example thousands of m 3/ hour impeller pump also can use.
, anterior slit plate 7 in use exists the part of the impurity in the liquid to be attached to slit opening hole 71 and causes slit opening hole 71 blocking problem.As its countermeasure, constitute anterior slit plate 7 by 2 amalgamation slit plate 7a, 7b, can make with respect to the flow direction of the liquid of pipe in 6 amalgamation slit plate 7a and amalgamation slit plate 7b towards front and back relative moving freely, the width that enlarges slit opening hole 71 and be expanded hole prevents what impurity from stopping up.
Equally, rear portion slit plate 8 in use exists the part of the impurity in the liquid to be attached to slit opening hole 81 and causes slit opening hole 81 blocking problem.As its countermeasure, constitute rear portion slit plate 8 by 2 amalgamation slit plate 8a, 8b, can make with respect to the flow direction of the liquid of pipe in 6 amalgamation slit plate 8a and amalgamation slit plate 8b towards front and back relative moving freely, becoming and enlarging slit opening hole 81 is that the width of expanded hole prevents the mechanism that impurity stops up.
Each amalgamation slit plate 7a, 7b of 2 constituting anterior slit plate 7 dispose a plurality of inaccessible plate 72a, 72b and make it separate the open pore 73a wideer than this obturation plate 72a, 72b, the interval of 73b.
Each inaccessible plate 72a of amalgamation slit plate 7a is inserted into each open pore 73b of the amalgamation slit plate 7b wideer than inaccessible plate 72a, simultaneously, each inaccessible plate 72b of amalgamation slit plate 7b is inserted into each open pore 73a of the amalgamation slit plate 7a wideer than inaccessible plate 72b, in the gap location formation elongate slit opening hole 71 of each open pore 73a, 73b with each inaccessible plate 72a, the 72b of big width.
Equally, each amalgamation slit plate 8a, 8b of 2 of formation rear portion slit plate 8 separate a plurality of inaccessible plate 82a of arranged spaced, the 82b of open pore 83a, the 83b wideer than this obturation plate 82a, 82b.The surface of this obturation plate 82a, 82b constitutes inaccessible plate face 81a.
Each inaccessible plate 82a of amalgamation slit plate 8a is inserted into each open pore 83b of the amalgamation slit plate 8b wideer than inaccessible plate 82a, simultaneously, each inaccessible plate 82b of amalgamation slit plate 8b is inserted into each open pore 83a of the amalgamation slit plate 8a wideer than inaccessible plate 82b, in the gap location formation elongate slit opening hole 81 of each open pore 83a, 83b with each inaccessible plate 82a, the 82b of big width.
Below, the effect based on the formation of the embodiment of foregoing invention is described.
An end that constitutes the pipe 6 of the apparatus for killing and reducing microbe 5 in the liquid is connected to comprises in the liquid that process object liquid is microorganisms such as animal plankton, plant plankton, bacterium, make pump 9 starts.
The liquid that comprises microorganism flow in the pipe 6 from managing an end of 6, towards the anterior slit plate 7 that is installed on pipe 6 inside and the rear portion slit plate 8 flow velocity above flow rate of 15m/s for example in accordance with regulations.The liquid that comprises microorganism of the flow rate more than the flow velocity arrives the anterior slit plate 7 that forms slit opening hole 71 on the surface in accordance with regulations, pressure ground is arranged by elongated and narrow and small slit opening hole 71, under the other end effluent of pipe 6.
At this moment, near the inlet side in a plurality of slit openings hole 71 that is formed at anterior slit plate 7 surfaces and outlet side, because the flow field produces the rapid poor of flow velocity, shear zone a takes place.At shear zone a, by being present in the inner shearing phenomenon of turbulent flow to swimming in the object effect shearing force of liquid internal.
Destroy microorganisms such as the intravital animal plankton of liquid, plant plankton, bacterium by the shearing force that acts on liquid internal.Like this, can kill the microorganism in the depletion body, reduce the microbial numbers that is contained in this liquid.
In addition, when liquid passes through the slit opening hole 71 of slit plate 7, produce air pocket.The inaccessible plate face 81a of the rear portion slit plate 8 at the anterior slit plate of the cavitation impacts that produced 7 rears and being broken up produces percussive pressure this moment, is destroyed by this percussive pressure and destroys and remaining microorganism by shearing phenomenon, further it is not subtracted extremely.
Like this, from the liquid that comprises a large amount of microorganisms of managing 6 one distolateral importings when the rear portion slit plate 8 by anterior slit plate 7 and its rear, destruction is contained in the intravital a large amount of microorganism of liquid it is subtracted extremely, and the liquid that has reduced microbial numbers is from managing another distolateral discharge of 6.
In addition, the occasion that constitutes by 2 amalgamation slit plate 7a, 7b of slit plate 7 forwardly, when owing to using when adhering to impurity in slit opening hole 71 and stopping up, make amalgamation slit plate 7a and amalgamation slit plate 7b for the flow direction of the liquid in the pipe 6 relative to moving towards front and back.That is, make amalgamation slit plate 7a move to the place ahead of amalgamation slit plate 7b or make amalgamation slit plate 7b move to the rear of amalgamation slit plate 7a.
When amalgamation slit plate 7a and amalgamation slit plate 7b when front and back relatively move, insert that inaccessible plate 72a, 72b make narrowed width and the open pore 73a, the 73b that form slit opening hole 71 owing to inaccessible plate 72a, 72b towards the front side or rear side move the width that makes slit opening hole 71 and become big.As a result, be attached to the slit opening hole 71 of narrow width and the impurity that causes stopping up is broken away from owing to the flow velocity of liquid washes out simply from the slit opening hole 71 that has broadened, thereby eliminate the latch up phenomenon in slit opening hole 71.When latch up phenomenon is eliminated, make relative to the amalgamation slit plate 7a and the amalgamation slit plate 7b that have moved towards front and back and return to original state, but the affirmation of this recovery is by for example pressure warning unit approval that is arranged at rear portion slit plate 8 downstream sides.
Equally, the occasion that constitutes by 2 amalgamation slit plate 8a, 8b at rear portion slit plate 8, when owing to using when adhering to impurity in slit opening hole 81 and stopping up, make amalgamation slit plate 8a and amalgamation slit plate 8b for the flow direction of the liquid in the pipe 6 relative to moving towards front and back.That is, make amalgamation slit plate 8a move to the place ahead of amalgamation slit plate 8b or make amalgamation slit plate 8b move to the rear of amalgamation slit plate 8a.
When amalgamation slit plate 8a and amalgamation slit plate 8b when front and back relatively move, insert that inaccessible plate 82a, 82b make narrowed width and the open pore 83a, the 83b that form slit opening hole 81 owing to inaccessible plate 82a, 82b towards the front side or rear side move the width that makes slit opening hole 81 and become big.As a result, be attached to the slit opening hole 81 of narrow width and the impurity that causes stopping up is broken away from owing to the flow velocity of liquid washes out simply from the slit opening hole 81 that has broadened, thereby eliminate the latch up phenomenon in slit opening hole 81.When latch up phenomenon is eliminated, make relative to the amalgamation slit plate 8a and the amalgamation slit plate 8b that have moved towards front and back and return to original state, but the affirmation of this recovery is confirmed by for example pressure warning unit that is arranged at rear portion slit plate 8 downstream sides.
(experimental example)
Figure 10 illustrates the experimental result of the occasion of the experimental result of occasion of first embodiment (1 slit plate) and second embodiment (using such 2 slit plates of anterior slit plate and rear portion slit plate).The result of the occasion of first embodiment illustrates with white square, and the result of the occasion of second embodiment illustrates with the black square.
The experimental state of the experimental occasions of Figure 10 as shown in figure 11, in experiment, bore is 50mm, the width in the slit opening hole of anterior slit plate is 0.5mm, the width in the slit opening hole of anterior slit plate and rear portion slit plate is 0.5mm, in addition, anterior slit plate and rear portion slit plate is spaced apart 5mm.In Figure 11,, omitted the rear portion slit plate for the experiment of the occasion of first embodiment (1 slit plate).
As described above, according to the 1st invention, cross-sectional direction towards this pipe in the stream in pipe is installed the slit plate with a plurality of elongate slit openings hole, the pump of the liquid that comprises microorganism is carried in installation towards the slit plate in the pipe on pipe, when the liquid that comprises microorganism in accordance with regulations the flow velocity more than the flow velocity when the slit plate, the inside of the liquid stream before and after the slit opening hole produces the shear zone, by the microorganism of shearing in the phenomenon destruction liquid it is subtracted extremely, so, can form the shear zone of destroying the microorganism in the liquid by fairly simple structure.In addition, by using the high pump of processing power, can handle the microorganism in a large amount of liquid at short notice.Like this, can obtain to reduce with low-cost high-efficiency ground so extremely new useful effect of the microbial numbers in the liquid.
In addition, according to the 2nd invention, fore-and-aft direction devices spaced apart ground along this pipe in the stream in pipe is installed anterior slit plate and the rear portion slit plate with a plurality of elongate slit openings hole respectively towards the cross-sectional direction of this pipe, simultaneously, the rear that makes the inaccessible plate face portion of rear portion slit plate be positioned at the slit opening hole of anterior slit plate prolongs on the straight line ground, and ground, the position in the slit opening hole of the slit opening hole of the anterior slit plate that staggers and rear portion slit plate is installed, the pump that anterior slit plate in pipe and the conveying of rear portion slit plate comprise the liquid of microorganism is being installed on the pipe, when the liquid that comprises microorganism passes through anterior slit plate with the flow velocity more than the regulation flow velocity, the inside of the liquid stream before and after the slit opening hole produces the shear zone, destroy and kill microorganism in the depletion body by shearing phenomenon, simultaneously, when passing through the slit opening hole of anterior slit plate, aforesaid liquid produces air pocket, destroy and subtract extremely by the percussive pressure that when the rear portion slit plate breaks up this air pocket, produces not by the microorganism in the anterior slit plate destructive liquid, so, can form the shear zone of destroying the microorganism in the liquid by fairly simple structure, simultaneously, can and not subtract remaining microorganism extremely by the further destruction of percussive pressure by shearing phenomenon destruction.In addition, by using the high pump of processing power, can handle the microorganism in a large amount of liquid at short notice.Like this, obtain more can reduce than the 1st invention so extremely new useful effect of the microbial numbers in the liquid with low-cost high-efficiency ground.
In addition, the slit plate of the 3rd invention is made of 2 amalgamation slit plates, these 2 amalgamation slit plates dispose a plurality of inaccessible plates and separate the interval of the open pore wideer than this obturation plate, insert each inaccessible plate of the opposing party's amalgamation slit plate at each open pore of the big width of a side amalgamation slit plate, form the elongate slit opening hole at each open pore of big width and the gap location of each inaccessible plate, simultaneously, flow direction with respect to the liquid in the pipe can move freely 2 amalgamation slit plates mutually relatively towards front and back, in the occasion that the slit opening hole can freely be enlarged, even impurity is attached to the slit opening hole of narrow width and causes obstruction, also can enlarge the slit opening hole of narrow width simply, from the slit opening hole that has increased width the impurity that causes obstruction is flowed away by the flow velocity of liquid simply simply and break away from, simply easily eliminate the latch up phenomenon in slit opening hole.

Claims (8)

1. the apparatus for killing and reducing microbe in the liquid, it is characterized in that: the cross-sectional direction towards this pipe in the stream in pipe is installed the slit plate with a plurality of elongate slit openings hole, the pump of the liquid that comprises microorganism is carried in installation towards the slit plate in the pipe on pipe, when the liquid that comprises microorganism passes through slit plate, the inside of the liquid stream before and after the slit opening hole produces the shear zone, by the microorganism of shearing in the phenomenon destruction liquid it is subtracted extremely.
2. the apparatus for killing and reducing microbe in the liquid as claimed in claim 1, it is characterized in that: the fore-and-aft direction devices spaced apart ground at this pipe in the stream in pipe is installed anterior slit plate and the rear portion slit plate with a plurality of elongate slit openings hole respectively towards the cross-sectional direction of this pipe, simultaneously, the rear that makes the inaccessible plate face portion of rear portion slit plate be positioned at the slit opening hole of anterior slit plate prolongs on the straight line, and the position in the slit opening hole of the slit opening hole of the anterior slit plate that staggers and rear portion slit plate, the pump that comprises the liquid of microorganism in the slit plate conveying that anterior slit plate in pipe and rear portion are installed on the pipe, when the liquid that comprises microorganism passes through anterior slit plate, the inside of the liquid stream before and after the slit opening hole produces the shear zone, destroy and kill microorganism in the depletion body by shearing phenomenon, simultaneously, when the slit opening hole of aforesaid liquid by anterior slit plate, produce air pocket, destroy and subtract extremely not by the microorganism in the anterior slit plate destructive liquid by the percussive pressure that when the rear portion slit plate breaks up this air pocket, produces.
3. the apparatus for killing and reducing microbe in the liquid as claimed in claim 1 or 2, it is characterized in that: slit plate is made of 2 amalgamation slit plates, described amalgamation slit plate disposes a plurality of inaccessible plates, and be separated with open pore between each inaccessible plate, the width of open pore is wideer than the width of inaccessible plate, in each bigger open pore of the width of a side amalgamation slit plate, insert each inaccessible plate of the opposing party's amalgamation slit plate, gap location at bigger each open pore of width and each inaccessible plate forms the elongate slit opening hole, and, flow direction along the liquid in the pipe can move freely 2 amalgamation slit plates mutually relatively towards front and back, so that the slit opening hole can freely enlarge.
4. the apparatus for killing and reducing microbe in the liquid as claimed in claim 1 or 2 is characterized in that: the elongate slit opening hole is made of elongated rectangular open pore.
5. the apparatus for killing and reducing microbe in the liquid as claimed in claim 1 is characterized in that: be: the elongate slit opening hole is made of elongated rectangular open pore.
5. the apparatus for killing and reducing microbe in the liquid as claimed in claim 1 is characterized in that: the elongate slit opening hole is made of elongated circular-arc open pore.
6. the apparatus for killing and reducing microbe in the liquid as claimed in claim 1 or 2 is characterized in that: the flow velocity of the described liquid that comprises microorganism during by anterior slit plate is more than 15m/s.
7. the apparatus for killing and reducing microbe in the liquid as claimed in claim 3 is characterized in that: the elongate slit opening hole is made of elongated rectangular open pore.
CNB021461171A 2001-10-30 2002-10-29 Apparatus for killing and reducing microbe in liquid Expired - Fee Related CN1234618C (en)

Applications Claiming Priority (4)

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JP2001333370 2001-10-30
JP333370/2001 2001-10-30
JP306362/2002 2002-10-21
JP2002306362A JP3821436B2 (en) 2001-10-30 2002-10-21 Microbial killing device in liquid

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CN1422810A CN1422810A (en) 2003-06-11
CN1234618C true CN1234618C (en) 2006-01-04

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JP3821436B2 (en) 2006-09-13

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