CN1940195A - Impurity treating apparatus - Google Patents
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- CN1940195A CN1940195A CN 200510128558 CN200510128558A CN1940195A CN 1940195 A CN1940195 A CN 1940195A CN 200510128558 CN200510128558 CN 200510128558 CN 200510128558 A CN200510128558 A CN 200510128558A CN 1940195 A CN1940195 A CN 1940195A
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Abstract
The present invention provides a foreign matter treatment device capable of enhancing the durability of a screen device, preventing any stay of foreign matters, and efficiently and reliably collecting foreign matters in a crusher. Arc-shaped screen members 45 are laminated on each other separately in the vertical direction, a rake shaft 47 having a plurality of rakes 46 moving between the screen members is installed eccentrically from a center 45o of an outer circumferential edge of each screen member, a fore-end of each rake is retractable from the outer circumferential edge of each screen member, and the collected foreign matters are scraped proximally by the rakes. Further, a rear side of each arc-shaped screen member is opened, any stay of the foreign matters inside thereof is prevented, the water flow resistance is reduced, and the durability of a screen device 40 is enhanced. A water flow guide unit 50 capable of forming a flow of water to be treated toward a crusher is provided before the position at which the rotating rakes are directed to the crusher toward the directed position so as to allow the foreign matters to be easily separated from the outer circumferential edge of each screen member45.
Description
Technical field
The present invention relates to a kind of impurity treating apparatus that is used for collecting, pulverize the field trash of processed waters such as sewage.
Background technology
Field trashes such as slack tank, plastic containers, wood chip and sewage (processed water) are when flowing into sewage treatment facility together, can become in the pipeline of this sewage treatment facility and the reason of accidents such as pump obstruction, damage, therefore, in the past, as the device that prevents this accident in advance, known have patent documentation 1 and patent documentation 2 described devices.As shown in Figure 7, patent documentation 1 described device is open mesh screen 2 and a mill 1 of having assembled ring-type in sewer, collect field trash in the sewage with the open mesh screen 2 of ring-type, and it is sent in the mill 1, it is slightly pulverized and is distributed in the sewage with this mill 1.
In addition, as shown in Figure 8, patent documentation 2 described devices are arranged to fixed grizzly 3 to tilt to intersect with water channel, and, end of downstream side at this sieve 3 is provided with mill 4, strikes off along grizzly 3 with the scraping machine 5 that is arranged on grizzly 3 ends to flow to the field trash of mill 4 directions and send in the mill 4.
Patent documentation 1: the special fair 7-85781 communique of Japan
Patent documentation 2: Japanese kokai publication hei 8-226165 communique
But patent documentation 1 described device has following problem.Sieve part in the mesh screen 2 that moves on the swing-around trajectory of substantially elliptical shape is made of the flexible material of polyethylene/nylon and so on, therefore, is difficult to make sieve part firm, can produce the sieve part easy damaged and causes the problem of poor durability.In addition, sieve is the Infinite Cyclic formula, and therefore sieve is bilayer and makes resistance to water-flow big, can produce the problem that hinders sewage to pass through, and the field trash that has passed through its front side is difficult to discharge from rear side, is trapped in and sieves inside, has unworkable problem.In addition, sieve is to be woven to netted zone face, and therefore, field trash is easily by its concavo-convex stumbling, and can produce field trash in case stumbled problem with regard to being difficult to untie.
In addition, in the patent documentation 2 described devices, along with current accelerate, the component of the flow direction of current is compared excessive with the component that field trash is moved along grizzly, thereby can produce that field trash is squeezed on the grizzly and can not move the problem of being detained along grizzly.
Summary of the invention
The present invention finishes in order to address the above problem, its purpose is, a kind of impurity treating apparatus is provided, it can realize the raising of screen device durability, and reduce resistance to water-flow and water is passed through smoothly, and field trash can not be trapped in and hinder running in the screen device, can effectively and reliably field trash be collected in the mill.
Impurity treating apparatus of the present invention, it is to be arranged side by side and to be transversal water channel being used for collecting the screen device of field trash of processed water and the mill of pulverizing the field trash of being collected by this screen device, it is characterized in that, screen device and mill closely are provided with mutually, and screen device has: be spaced from each other on above-below direction and stacked a plurality of circular-arc screen section; Be spaced from each other on the above-below direction and a plurality of rakes stacked and that between each stacked circular-arc screen section, move; The rake axle that supports these rakes and extend along the vertical direction; And current deflecting portion, with the common rotation of this rake axle, position before the above-mentioned rake from rotation points to mill is to the position of pointing to above-mentioned mill, can form flowing towards the processed water of mill, mill has with upper and lower to being axle center rotation and the cutting edge that can pulverize field trash, rake axle is arranged to the center off-centre with the neighboring of circular-arc screen section, thus, the leading section of rake haunts from the neighboring of circular-arc screen section, and the field trash of collecting screen device is harrowed to hold together also and can collect in the mill.
Impurity treating apparatus by such formation, stacked circular-arc screen section on above-below direction, has the rake axle setting of a plurality of rakes that between this circular-arc screen section, move and the center off-centre of the neighboring of this circular-arc screen section, therefore, the leading section of rake haunts from the neighboring of circular-arc screen section, can harrow by the field trash that circular-arc screen section is collected.Thereby field trash can not be detained or not stumble in circular-arc screen section, can reduce resistance to water-flow and processed water is flowed smoothly, and, field trash reliably can be collected in the mill.In addition, because circular-arc screen section rear side by opening, can prevent the delay of field trash in circular-arc screen section.In addition,, the stress on the screen device can be reduced, the raising of the durability of screen device can be realized because resistance to water-flow reduces.In addition, screen device has the current deflecting plate, this current deflecting plate and the common rotation of rake axle, and the position before the above-mentioned rake from rotation points to mill is to the position of pointing to above-mentioned mill, can form flowing towards the processed water of mill; Therefore, easily collected field trash is peeled off from the neighboring of circular-arc screen section, can more effective and reliably field trash be collected in the mill.
In addition, if its structure is: the neighboring of the swing-around trajectory of cutting edge is near the neighboring of circular-arc screen section, and in its vicinity, the front end neighboring of circular-arc screen section of submerging of rake, then can reduce significantly from the field trash that goes out of effluent downstream between mill and the screen device, can effectively and reliably field trash be collected in the mill.
Here, the rotating speed of rake preferably smaller or equal to 70% of the rotating speed of cutting edge, can easily be introduced the field trash of being hugged by rake in the mill, can more effective and reliably field trash be collected in the mill.
In addition, when rake was made of elastic body, under field trashes such as for example hardwood were clipped in situation between rake and the mill, rake is elastic deformation suitably, therefore, does not have the situation that causes harrowing breakage.
In addition, if current deflecting portion along the circumferential direction uniformly-spaced is provided with, then on the rake on the circumferencial direction, though effect is mutually opposed with current and hinder the resistance that rotates,, be positioned on another rake on the opposition side direction of a rake, by the power of flow action promotion rotation, can suitably disperse the resistance to water-flow of each rake, therefore, can control the rotary power of rake axle, realize energy-conservation.
The invention effect
The present invention can provide a kind of impurity treating apparatus, can realize the raising of screen device durability, reduce resistance to water-flow simultaneously water is passed through smoothly, and field trash can not be trapped in and hinder running in the screen device, can effectively and reliably be collected in the mill.
Description of drawings
Fig. 1 is the vertical view of the impurity treating apparatus of expression embodiments of the present invention;
Fig. 2 is the summary sectional view of the setting of the wedge shape liner plate in the presentation graphs 1;
Fig. 3 is the longitudinal section of the screen device in the presentation graphs 1;
Fig. 4 is the vertical view of the rake in the presentation graphs 3;
Fig. 5 is the rake in the presentation graphs 3 and the lateral view of current deflecting plate;
Fig. 6 is the lateral view of the fixed part in the presentation graphs 3;
Fig. 7 is the oblique view of expression existing apparatus;
Fig. 8 is the vertical view of another existing apparatus of expression.
The specific embodiment
Below, with reference to the most preferred embodiment of description of drawings impurity treating apparatus of the present invention.And in description of drawings, identical or suitable key element is given prosign, omits repeat specification.Fig. 1 represents the vertical view of the impurity treating apparatus of embodiments of the present invention, Fig. 2 is the summary sectional view of the setting of the wedge shape liner plate in the presentation graphs 1, Fig. 3 is the longitudinal section of the screen device in the presentation graphs 1, Fig. 4 is the vertical view of the rake in the presentation graphs 3, Fig. 5 is the rake in the presentation graphs 3 and the lateral view of current deflecting plate, and Fig. 6 is the lateral view of the fixed part in the presentation graphs 3.
As shown in Figure 1, impurity treating apparatus 100 is provided with in the water channel 10 of the square-section that is formed by end 10a and sidewall 10b, 10c, be used for collecting, pulverizing the field trash of the processed waters such as sewage of the water channel 10 of flowing through, it has: processed water by the time collect field trash and carry the screen device 40 of the field trash of collecting, and, be used for and will carry the field trash of coming, and the mill 30 pulverized of the field trash of the processed water that passed through from this screen device 40.In addition, on sidewall 10b, the 10c of water channel 10, form inwardly inclined-plane 10d, the 10e of (inboard on the width), form current towards the processed water of screen device 40 and mill 30.Thus, can prevent from the end 10a of the side wall side of water channel 10, to pile up foreign matter.
These mills 30 and screen device 40 dispose in assembling frame 90 and are configured to approachingly mutually, and this assembling frame 90 is set to transversal water channel 10.In this assembling frame 90, the wedge shape liner plate 91～93 that is provided with the alignment pin (not shown) that screen device 40 is positioned and is used for mill 30 is positioned.Alignment pin uprightly is arranged on the precalculated position of bottom of assembling frame 90, and as shown in Figure 2, wedge shape liner plate 91～93 is set on the internal face 90a of rear side of assembling frame 90, and has towards the inclined-plane of oblique upper 91a～93a.As shown in Figures 1 and 2, in the wedge shape liner plate 91～93, be arranged at the wedge shape liner plate 91,93 in two outsides, be configured in the bottom of assembling frame 90; Be arranged at the wedge shape liner plate 92 of central authorities, be configured in the top of assembling frame 90.
As shown in Figure 1, mill 30 is set at the sidewall 10c side (diagram right side) of assembling frame 90, and as shown in Figures 1 and 2, (diagram upside) is formed with the introducing port 30b that imports processed water in front, is formed with the outlet opening 30c that discharges processed water in the back.This outlet opening 30c is communicated with the downstream by the outlet opening 90b that is formed on assembling frame 90.Mill 30 is arranged side by side on the width of water channel 10, rotates pulverizing cutter blades (cutting edge) 32,32 so that center on the axle rotation of (vertically paper direction) extension along the vertical direction as supporting two freely, and its blade is meshed each other.In addition, mill 30 has the vertical type motor (not shown) that rotation drives rotation pulverizing cutter blade 32,32 at an upper portion thereof.
In addition, this mill 30 is by driving vertical type motor, make rotation pulverizing cutter blade 32,32 along the direction rotation that is involved in field trash, import processed water also through discharging from outlet opening 30c in the mill 30 from introducing port 30b, and, at this moment, field trash in the processed water and the field trash that transports from screen device 40 are clipped between the rotation pulverizing cutter blade 32,32 and pulverize and be released to the downstream.
In addition, in mill 30, be provided with the wedge shape liner plate 36～38 that positions usefulness with respect to 90 pairs of these mills 30 of above-mentioned assembling frame.As shown in Figure 2, this wedge shape liner plate 36～38 is provided with on the outside wall surface 30a of the rear side of mill 30, and be configured in respectively with assembling frame 90 on the position faced mutually of the wedge shape liner plate 91～93 that is provided with.Wedge shape liner plate 36～38 has the inclined-plane 36a～38a under oblique; Be arranged at the wedge shape liner plate 36,38 in two outsides, in the configuration of the bottom of mill 30; The wedge shape liner plate 37 that is arranged at central authorities is in the configuration of the top of mill 30.In addition, inclined-plane 91a～93a that is arranged on the wedge shape liner plate 91～93 that is provided with on inclined-plane 36a～38a and the assembling frame 90 of wedge shape liner plate 36～38 of mill 30 face respectively contacts, and thus, can guide mill 30 and be located precalculated position at assembling frame 90.
As shown in Figure 1, tiltedly the place ahead is adjacent and be provided with screen device 40 with the left side of mill 30 in assembling frame 90.As shown in Figure 3, this screen device 40 has: be spaced from each other on above-below direction and stacked a plurality of circular-arc screen section 45; The a plurality of rakes 46 that on above-below direction, are spaced from each other setting and move each other in each stacked circular-arc screen section 45; The rake axle 47 that supports these rakes 46 and extend along the vertical direction; And rotation drives the vertical type motor 48 of this rake axle 47.
Circular-arc screen section 45 is tabular, and, as shown in Figure 1, when overlooking, be roughly circular-arc.Specifically, sidewall 10b side (diagram left side) along water channel 10, the oblique rear of axle center 45o from circular-arc screen section 45 is shape linearly to the side of axle center 45o, from the side of the sidewall 10b side of axle center 45o to the place ahead, be circular-arc up to the side and the rear of sidewall 10c side.In addition, this circular-arc screen section 45, the sidewall 10b side at its rear portion are rearward discharged through the processed water in the circular-arc screen section 45 by opening.
As Fig. 1 and shown in Figure 3, each circular-arc screen section 45 is spaced apart on above-below direction, and is fixed on a plurality of pillars 49 that extend along the vertical direction by welding.This circular-arc screen section 45 becomes the hole of processed water process each other, and the field trash bigger than this hole can be stopped by each circular-arc screen section 45.And in the present embodiment, making the thickness of slab on the above-below direction of circular-arc screen section 45 is about 9mm, and the interval t of each circular-arc screen section 45 above-below direction each other is about 16mm.
Rake 46 is made of elastic bodys such as being plane, vulcanie.And, also can constitute rake 46 by elastic bodys such as other rubber, sheet springs.As shown in Figure 4, rake 46 leading section forms inclined plane 46a, and the length along the radial direction of the face side end of the direction of rotation of rake 46 on this inclined plane is longer than the length of the radial direction of the rear side end of opposition side.The inclination angle [theta] of this inclined plane 46a is preferably 10 degree～45 degree.And, in contrast, under the situation that forms length along the radial direction of the rear side end of the direction of rotation of rake 46, the inclined plane longer than the length of the radial direction of the face side end of opposition side, field trash then can not be carried field trash well in the leading section rotation of the rake that moves.As Fig. 3～shown in Figure 5, this rake 46 is fixed on the current deflecting plate (current deflecting portion) 50 of the rectangle that extends along the vertical direction.
On a side's this current deflecting plate 50, that extend along the vertical direction end face, above-mentioned a plurality of rakes 46 are arranged side by side on above-below direction and along continuous straight runs extends.In addition, current deflecting plate 50 has a plurality of peristome 50a that are used to be screwed into bolt, and, as Fig. 1 and shown in Figure 6, releasably be fixed on the rake axle 47 by the fixed part 51 that is fixed on the rake axle 47.Current deflecting plate 50 and rake axle 47 rotation jointly, can change the flow direction of processed water, position before the above-mentioned rake from rotation points to mill is to the position of pointing to above-mentioned mill, formation is flowed towards the processed water of mill 30, peels off the field trash that is collected from the neighboring of circular-arc screen section 45 easily.When overlooking, this current deflecting plate 50 uniformly-spaced is provided with (being 90 degree in the present embodiment) in a circumferential direction.Therefore, can disperse and the resistance (detailed content as described later) that causes by processed water of homogenising.And the current deflecting plate 50 of the superiors as shown in Figure 3, has 9 string (bar) rakes 46, and other current deflecting plates 50 have 11 string (bar) rakes 46.The string number of the current deflecting plate 50 by changing these the superiors goes for the different various water channels of water channel height.
As shown in Figure 6, fixed part 51 has the hemisect cylinder cut apart vertically to 52,53, is provided with a plurality of the extension along the vertical direction and the fixing tabular stator 54 of current deflecting plate 50 usefulness (in addition, only having put down in writing one of them among Fig. 6) outstanding on its side.This stator 54 90 degree in a circumferential direction uniformly-spaced is provided with.In addition, be formed with peristome 54a in the position corresponding of stator 54 with the peristome 50a of current deflecting plate 50; As shown in Figure 1, inserting bolt 55 in these peristomes 50a, 54a, thus current deflecting plate 50 and fixed part 51 are linked mutually.
As shown in Figure 3, rake axle 47 its both ends are supported by bearing 56,57, the bearing 56 of lower end side links with undermost circular-arc screen section 45, the bearing 57 of upper end side links with the circular-arc screen section of the superiors 45, and, rake axle 47 is set in the position of the center 45o (with reference to Fig. 1) of the neighboring of stray circle arcuation screen section 45.Promptly, rake axle 47 is arranged to the center 45o off-centre with the neighboring of circular-arc screen section 45, thus, the leading section of the rake 46 of rotation haunts from the neighboring of circular-arc screen section 45, and submerge near the position that is close in the neighboring of the swing-around trajectory of the neighboring of circular-arc screen section 45 and rotation pulverizing cutter blade 32, screen device 40 collected field trashes can be harrowed and hold together and collect in the mill 30.In addition, in the present embodiment, the neighboring of swing-around trajectory of rotation pulverizing cutter blade 32 and the neighboring of circular-arc screen section 45 be about 7mm apart from x.In addition, have the screen device 40 of these circular-arc screen section 45, rake 46, rake axle 47, current deflecting plate 50 etc., have the locating hole chimeric (not shown) in its underpart with the alignment pin of above-mentioned assembling frame 90.
The method to set up of impurity treating apparatus 100 is described then.At first, assembling frame 90 is fixed on the precalculated position of water channel 10.Then, embed the alignment pin of assembling frame 90 in the locating hole on being arranged at screen device 40, thereby carry out the location of screen device 40.In addition, hang down the wedge shape liner plate 36～38 of mill 30 from the top,, carry out the location of mill 30 thus so that face mutually with the wedge shape liner plate 91～93 of assembling frame 90.Like this, mill 30 and screen device 40 are arranged on the precalculated position of assembling frame 90, and impurity treating apparatus 100 is arranged in the water channel 10.In addition, also can after be separately fixed at screen device 40, mill 30 on the assembling frame 90, this assembling frame 90 be hung down and be arranged in the water channel 10.
In the impurity treating apparatus 100 that constitutes like this, drive the rotation pulverizing cutter blade 32,32 of mill 30 by vertical type motor, when overlooking, rotation pulverizing cutter blade 32 dextrorotation of screen device 40 sides (diagram left side), the rotation pulverizing cutter blade 32 of sidewall 10c side (diagram right side) is left-handed.In addition, drive the rake axle 47 of screen devices 40, current deflecting plate 50 and harrow 46 dextrorotation when overlooking by vertical type motor 48.And the rotating speed of rake 46 front end is smaller or equal to 70% of the rotating speed of the periphery of rotation pulverizing cutter blade 32,32.In addition, mill 30, screen device 40 have vertical type motor separately, and therefore, the engaging-in rotary movement during overburden can be carried out respectively separately by mill 30, screen device 40.
Here, rake axle 47 is arranged to the center 45o off-centre with circular-arc screen section 45, therefore, rake 46 leading section when overlooking, occurs laterally from the front, left side of the neighboring of circular-arc screen section 45, front, right flank in the neighboring of circular-arc screen section 45, through outside the circular-arc screen section 45, the right flank rear side in the neighboring of circular-arc screen section 45 is in the circular-arc screen section 45 of submerging.In addition, field trash in the processed water is collected by the circular-arc screen section 45 of screen device 40, by the leading section of the rake 46 outstanding from the neighboring of circular-arc screen section 45, the field trash of being collected by this circular-arc screen section 45 is harrowed to be held together and is transported to mill 30.In addition, current deflecting plate 50 and rake axle 47 rotation jointly, position before the above-mentioned rake from rotation points to mill is to the position of pointing to above-mentioned mill, formation is flowed towards the processed water of mill 30, therefore, peel off the field trash that is collected from the neighboring of circular-arc screen section 45 easily, and be transported to mill 30 easily.
Like this, by impurity treating apparatus 100, field trash can not be detained or not stumble in circular-arc screen section 45, and can reduce resistance to water-flow and processed water is flowed smoothly, and, field trash reliably can be collected in the mill 30.In addition, therefore circular-arc screen section 45 its rear sides, can be prevented the delay of field trash in circular-arc screen section 45 by opening, prevent to hinder running.In addition, resistance to water-flow reduces, and therefore, can reduce the stress relevant with screen device 40, can realize the raising of the durability of screen device 40.In addition, the neighboring of the swing-around trajectory of rotation pulverizing cutter blade 32 is near the neighboring of circular-arc screen section 45, and, in its vicinity, the front end of rake 46 submerges from the neighboring of circular-arc screen section 45, therefore, can reduce significantly, can effectively and reliably field trash be collected in the mill 30 from the field trash that goes out of effluent downstream between mill 30 and the screen device 40.In addition, screen device 40 has current deflecting plate 50, therefore, peels off the field trash that is collected from the neighboring of circular-arc screen section 45 easily, can more effective and reliably field trash be collected in the mill 30.
In addition, therefore the rotating speed of rake 46 front end, is easily introduced in the mill 30 by rake 46 field trashes of hugging smaller or equal to 70% of the rotating speed of the periphery of rotation pulverizing cutter blade 32, can more effective and reliably field trash be collected in the mill 30.In addition, this is that the present inventor confirms by experiment.
In addition, rake 46 is made of elastic body, and therefore, under the situation that clips field trashes such as hardwood for example between rake 46 and the mill 30, rake 46 is elastic deformation suitably, therefore, does not have the situation of harrowing 46 breakages.
In addition, current deflecting plate 50 uniformly-spaced is provided with in a circumferential direction, therefore, on the rake on the circumferencial direction (on the above-below direction side by side rake group) 46, hinder the resistance that rotates though effect is mutually opposed with current, but, be positioned on another rake 46 on rake 46 the opposition side direction, effect promotes the power of rotation by current, can suitably disperse respectively to harrow 46 resistance to water-flow, therefore, can suppress to harrow the rotary power of axle 47 and realize energy-conservation.And rake (on the above-below direction side by side rake group) 46 is not defined as 4 settings such as branch such as grade in a circumferential direction, also can 2 five equilibriums, 3 five equilibriums, even be provided with more than or equal to branches such as 5.
In addition, the above-below direction of each circular-arc screen section 45 be spaced apart t (t=16), the relation apart from the satisfied 3≤x of x (x=7)≤t (unit is mm) of the neighboring of the swing-around trajectory of rotation pulverizing cutter blade 32 and the neighboring of circular-arc screen section 45, even flow out the field trash of also no problem size from the downstream, between sieving equipment 40 and mill 30, the field trash of not wishing the size that flows out from the downstream can not be by between screen device 40 and the mill 30, but be transported in the mill 30, can screen according to the size of field trash, and can effectively and reliably field trash be collected in the mill 30.And, consider and make error etc. that the distance of the neighboring of the swing-around trajectory of rotation pulverizing cutter blade 32 and the neighboring of circular-arc screen section 45 must be more than or equal to 3mm.
In addition, circular-arc screen section 45 is formed by plastics, can realize lightweight and reduce distortion.
In addition, can also be applied to have the device of following structure: this device is between screen device 40 and mill 30, flat scraper plate is set along the vertical direction with extending, with the zone between screen device 40 and the mill 30, rearward flow blocked thus, makes flowing towards mill 30 of processed water between screen device 40 and the mill 30.At this moment, can prevent field trash between screen device 40 and the mill 30 downstream effluent go out, can effectively and reliably field trash be collected in the mill 30.
Claims (5)
1. impurity treating apparatus is arranged side by side the mill of collecting the screen device of the field trash in the processed water and pulverizing the field trash of being collected by this screen device into transversal water channel, it is characterized in that,
Above-mentioned screen device and above-mentioned mill closely are provided with mutually,
Above-mentioned screen device has:
On above-below direction, be spaced from each other and stacked a plurality of circular-arc screen section;
Be spaced from each other setting on the above-below direction and mobile a plurality of rakes between above-mentioned stacked circular-arc screen section;
The rake axle that supports these rakes and extend along the vertical direction; And,
Current deflecting portion, with the common rotation of this rake axle, the position before the above-mentioned rake from rotation points to mill is to the position of pointing to above-mentioned mill, can form flowing towards the processed water of mill;
Above-mentioned mill has:
With upper and lower to being axle center rotation and the cutting edge that can pulverize field trash;
Above-mentioned rake axle is arranged to the center off-centre with the neighboring of above-mentioned circular-arc screen section, thus, the leading section of above-mentioned rake haunts from the neighboring of above-mentioned circular-arc screen section, the field trash of being collected by this circular-arc screen section can be harrowed to hold together to collect in the above-mentioned mill.
2. impurity treating apparatus as claimed in claim 1, it is characterized in that, the neighboring of the swing-around trajectory of above-mentioned cutting edge and the neighboring of above-mentioned circular-arc screen section are approaching, and the leading section of above-mentioned rake submerges near approaching position, the neighboring of the swing-around trajectory of the neighboring of above-mentioned circular-arc screen section and above-mentioned cutting edge.
3. impurity treating apparatus as claimed in claim 1 or 2 is characterized in that: the rotating speed of the front end of above-mentioned rake is smaller or equal to 70% of the rotating speed of the periphery of cutting edge.
4. as any described impurity treating apparatus in the claim 1～3, it is characterized in that above-mentioned rake is made of elastic body.
5. as any described impurity treating apparatus in the claim 1～4, it is characterized in that the uniformly-spaced setting in a circumferential direction of above-mentioned current deflecting portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005280421A JP4664171B2 (en) | 2005-09-27 | 2005-09-27 | Contaminator |
| JP280421/2005 | 2005-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1940195A true CN1940195A (en) | 2007-04-04 |
| CN100516392C CN100516392C (en) | 2009-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101285589A Active CN100516392C (en) | 2005-09-27 | 2005-11-30 | Impurity treating apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4664171B2 (en) |
| CN (1) | CN100516392C (en) |
| HK (1) | HK1102137A1 (en) |
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| JP4850464B2 (en) * | 2005-09-27 | 2012-01-11 | 住重環境エンジニアリング株式会社 | Contaminator |
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| JP3581017B2 (en) * | 1998-05-11 | 2004-10-27 | 住重環境エンジニアリング株式会社 | Equipment to collect underwater contaminants into the crusher |
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| JP2003181317A (en) * | 2001-12-19 | 2003-07-02 | Sumiju Kankyo Engineering Kk | Foreign matter treating system and apparatus |
| JP3976254B2 (en) * | 2002-07-16 | 2007-09-12 | 前澤工業株式会社 | Water channel type crusher |
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2005
- 2005-09-27 JP JP2005280421A patent/JP4664171B2/en active Active
- 2005-11-30 CN CNB2005101285589A patent/CN100516392C/en active Active
-
2007
- 2007-09-19 HK HK07110182.0A patent/HK1102137A1/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563521A (en) * | 2015-10-13 | 2017-04-19 | 住友重机械环境工程株式会社 | Crushing machine with screen |
| CN106563521B (en) * | 2015-10-13 | 2020-11-03 | 住友重机械环境工程株式会社 | Crusher with filter screen |
| CN105728137A (en) * | 2016-04-21 | 2016-07-06 | 黄河勘测规划设计有限公司 | Underwater dirt cutting and crushing machine suitable for water conservancy and hydropower engineering |
| CN105728137B (en) * | 2016-04-21 | 2017-12-22 | 黄河勘测规划设计有限公司 | Underwater dirt cutting mill suitable for Hydraulic and Hydro-Power Engineering |
| CN107964922A (en) * | 2017-12-05 | 2018-04-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of microstome monoblock cast plane rolling formula trash rack |
| CN107964922B (en) * | 2017-12-05 | 2024-05-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-hole integral casting plane rolling type trash rack |
| CN118060048A (en) * | 2024-04-03 | 2024-05-24 | 南京林业大学 | Recycling device for waste resources in landscape architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007090167A (en) | 2007-04-12 |
| HK1102137A1 (en) | 2007-11-09 |
| JP4664171B2 (en) | 2011-04-06 |
| CN100516392C (en) | 2009-07-22 |
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