CN202844717U - Self-purification nozzle and disc filter comprising same - Google Patents
Self-purification nozzle and disc filter comprising same Download PDFInfo
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- CN202844717U CN202844717U CN 201220548905 CN201220548905U CN202844717U CN 202844717 U CN202844717 U CN 202844717U CN 201220548905 CN201220548905 CN 201220548905 CN 201220548905 U CN201220548905 U CN 201220548905U CN 202844717 U CN202844717 U CN 202844717U
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- type nozzle
- purification type
- auto purification
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Abstract
The utility model provides a self-purification nozzle and a disc filter comprising the same. The self-purification nozzle comprises a casing and a valve, wherein the valve is movably mounted in the casing; a channel through which a fluid can pass is formed in the valve; under the action of the pressure of the fluid, the valve moves forward or backward to one side or the other side of the casing; and the size of an outlet of the channel is changed along with the moving of the valve. According to the utility model, the replacement period and the cleaning period of the nozzle are prolonged; the nozzle channel is prevented from being jammed; and the nozzle can be cleaned automatically. Therefore, the work for maintenance and warranty of the nozzle is minimized.
Description
Technical field
The utility model relates to a kind of disc filter, particularly relates to a kind of nozzle that is attached at the foreign matter on the filter element for the injection backwashing water with removal, and this filter element is used for the sewage that flows into cylinder is filtered.
Background technology
Usually, disc filter is a kind of interior device that is used for filtering the sewage foreign matter of water channel that effluent stream is crossed that is installed in, thereby and will discharge to circumferencial direction from the sewage that direction of principal axis flows into and filter foreign matter.
Fig. 1 is the summary side elevation of existing disc filter.With reference to Fig. 1, existing disc filter 10 comprises: at the cylinder 11 of water channel 20 interior rotations; And, be installed in the support component 12 on cylinder 11 the outer peripheral face.The filter membrane (not shown) that is used for filtration sewage is installed in support component 12.
The sewage that existing disc filter 10 will flow into from cylinder 11 the inflow entrance 13 of rotation by around after a plurality of outlets 14 of forming discharge, filter foreign matter by filter membrane and discharge.Because using disc filter 10, filter membrane is inboard can accumulate a large amount of foreign matters, makes the filter efficiency of disc filter 10 low.
In order to remove the foreign matter that is accumulated in as described above on the filter membrane, existing disc filter 10 is equipped with nozzle from foreign matter to filter membrane injection backwashing water that remove.
But the nozzle that existing disc filter 10 is installed is clipped in the exit because of foreign matter etc., so that the passage of nozzle often blocks, so the problem of nozzle or replacement can occur periodically cleaning.
The utility model content
The technical problems to be solved in the utility model is to be clipped in the exit in order to overcome nozzle that disc filter of the prior art installs because of foreign matter etc., so that the passage of nozzle is often blocked, so the defective of nozzle or replacement can occur periodically to clean, a kind of replacement and the auto purification type nozzle of cleaning period and the disc filter that comprises this auto purification type nozzle that can prolonging nozzle be provided, it can prevent the clogging of nozzle passage, can also automated cleaning, thus minimize maintenance and the guarantee operation of nozzle.
The auto purification type nozzle of the utility model embodiment in order to achieve the above object is the nozzle that sprays fluid, and this nozzle comprises: shell; And, valve body, this valve body is installed in this shell in a movable manner, and is formed with the passage that supplies this fluid process at this valve inner.Herein, this valve body advances or retreats to a side of this shell or opposite side under the pressure-acting of this fluid, and the outlet size of this passage changes along with the movement of this valve body.
In addition, the outlet size of this passage can be dwindled when this valve body advances, and enlarges when this valve body retreats.
In addition, this valve body can be included in the reeded a plurality of subdivisions of the upper formation of one side.At this moment, the groove of these a plurality of subdivisions forms this passage jointly.
In addition, the rearward end of these a plurality of subdivisions can accompany barrier film.This barrier film can with the inner peripheral surface driving fit of this shell.
In addition, the width of the inner peripheral surface of the leading section of this shell formation can reduce gradually.Thus, along with advancing of these a plurality of subdivisions, the outlet size of this passage just can be dwindled.
In addition, can also be provided with "O” ring (O-ring) at the inner peripheral surface place that the leading section of this shell forms.
In addition, this valve body accompanies elastomeric element, when the pressure of this fluid reduces, just can make this valve body revert to original position.
In addition, this elastomeric element can be spring.
The utility model provides disc filter in order to achieve the above object, and this disc filter comprises: the cylinder of rotation, and this discharges the sewage that flows into by the outlet that is formed on the outer peripheral face; Filter element is installed on this outer peripheral face, and filters the sewage that this outlet is discharged; And this auto purification type nozzle is used for removing the foreign matter that is attached on this filter element.
Positive progressive effect of the present utility model is: the auto purification type nozzle of the utility model embodiment, thereby can move along with the hydraulic pressure of fluid the size that changes passage because of valve body, therefore can prevent the clogging of passage accumulation foreign matter and the inhibition nozzle of nozzle.Therefore, the auto purification type nozzle of the utility model embodiment can minimize cleaning, maintenance and the guarantee operation of nozzle, thereby reduces required manpower and the expense of the management of product.
Description of drawings
Fig. 1 is the summary side elevation of existing disc filter.
Fig. 2 is the front view of the disc filter of the utility model one embodiment.
Fig. 3 is the part side view from the disc filter of unilateral observation the utility model one embodiment.
Fig. 4 is the part side view of observing the disc filter of the utility model one embodiment from opposite side.
Fig. 5 is the summary side elevation of the nozzle arm that the auto purification type nozzle is installed of the utility model embodiment.
Fig. 6 is the decomposition side view of auto purification type nozzle shown in Figure 5.
Fig. 7 is the at ordinary times profile of the auto purification type nozzle of the utility model embodiment.
Fig. 8 is the profile of the auto purification type nozzle of the utility model embodiment when being subject to hydraulic pressure.
The specific embodiment
Below, to the disc filter of the utility model embodiment, describe in detail with reference to drawing.
Fig. 2 is the front view of the disc filter of the utility model one embodiment, Fig. 3 is the part side view from the disc filter of unilateral observation the utility model one embodiment, and Fig. 4 is the part side view of observing the disc filter of the utility model one embodiment from opposite side.
With reference to Fig. 2 to Fig. 4, the disc filter 100 of the utility model embodiment comprises: outer peripheral face is formed with the cylinder 10 of outlet 11; And, be fixed on the filter element 20 that also filters the sewage of being discharged by this outlet 11 on this outer peripheral face of 10.The shape of cylinder 10 is cylindrical, and a side is formed with the inflow entrance 12 that sewage flows into.Outlet 11 can form a plurality of square shapes at certain intervals, but its shape and arrangement all can variously change.
The pivot of cylinder 10 is installed with the quill shaft 30 that connects cylinder 10.Cylinder 10 rotates by the driving force that motor M is sent centered by this quill shaft 30.The driving force of motor M is communicated to cylinder 10 with the chain connected mode.That is, motor M connects drive sprocket, and the opposite side of cylinder 10 is installed with by movable sprocket 42, twines drive sprocket and by movable sprocket 42 with chain 43.The present embodiment has utilized the chain drive mode of cylinder 10, but also variable various ways such as more belt, gear etc. of type of drive.
This bearing 32 preferably uses is convenient to the oilless bearing safeguarding and guarantee to keep in good repair.And, between being equipped with by the cylinder 10 of movable sprocket 42 and quill shaft 30, this bearing 32 is installed also.
In order to remove the foreign matter that attaches on the filter membrane 22, the auto purification type nozzle 50 that is used for spraying backwashing water is installed between filter element 20.The foreign matter that comes off from filter element 20 under the backwashing water of auto purification type nozzle 50 sprays discharges by surge drum 36 and with quill shaft 30 that this surge drum 36 connects.
Fig. 5 is the summary side elevation of the nozzle arm that the auto purification type nozzle is installed of the utility model embodiment, Fig. 6 is the decomposition side view of auto purification type nozzle shown in Figure 5, Fig. 7 is the at ordinary times profile of the auto purification type nozzle of the utility model embodiment, and Fig. 8 is the profile of the auto purification type nozzle of the utility model embodiment when being subject to hydraulic pressure.
At first, with reference to Fig. 5, at the supply pipe 60 that is used for supplying with backwashing water, with decided septal fascicle delivery nozzle arm 62.This nozzle arm 62 is arranged in the clearance space of filter element 20.Nozzle arm 62 possesses and supply pipe the first arm 621 connected vertically and the second arm 622 of forming in the square crossing of the first arm 621 places.
Compartment is every being arranged with a plurality of auto purification type nozzles 50 on the second arm 622.In order to make this auto purification type nozzle 50 spray backwashing water by twocouese, the outlet of a pair of auto purification type nozzle is arranged in mutual opposite direction.
And the auto purification type nozzle 50 of the utility model embodiment is inserted in the nozzle body framework 72 on the second arm 622 of being located at nozzle arm 62 and by cap of spraying nozzle 74 and is fixed.Be formed with for the passage that backwashing water is directed to this auto purification type nozzle 50 in this nozzle body framework 72.
On the other hand, supply pipe 60 is connected in the drive division of motor for example and rotates according to deciding angle periodically.Therefore, auto purification type nozzle 50 just can be by the rotate path of supply pipe 60 backwashing water of injection everywhere to filter element 20.
With reference to Fig. 6 and Fig. 7, the auto purification type nozzle 50 of the utility model embodiment comprises: shell 51; The valve body 52 that in shell 51, arranges movably; Be clipped in the barrier film 53 of the rearward end of valve body 52; Be installed in the "O” ring 54 at inner peripheral surface place of the leading section of shell 51; And, the elastomeric element 55 of installing between valve body 52 and the shell 51.
Shell 51 roughly is the drum of internal run-through.The inner space of shell 51 forms with the size that valve body 52 can fully move.The inner peripheral surface place of the rearward end of shell 51 is formed be used to the first boss 511 that prevents that barrier film from coming off, and the inner peripheral surface place of the pars intermedia of shell 51 is formed for the second boss 512 of secures resilient member 55.
In addition, the inner peripheral surface place of the leading section of shell 51 forms end face minimizing section 513, and width W is less more forward in this end face minimizing section 513.The "O” ring 54 that is used for sealing is installed at these end face minimizing section 513 places.
Valve body 52 separates formation with two subdivisions 521 of mutual shape symmetry.Each subdivision 521 probably forms with semi-cylindrical form, forms flange part 522 in rearward end.The places that are subject to the pressure of backwashing water because of flange part 522, so that its area is larger.The inner face central authorities of subdivision 521 form semi-circular recesses 523, and the leading section of subdivision moves in order to contact sleekly with shell 51, with the shape formation of curve part.In case a pair of subdivision assembling can form the passage 524 that connects central authorities in valve body 52.Be a pair of semi-circular recesses 523 common circular channels 524 that form.
In addition, in the present embodiment, form although valve body 52 is divided into two subdivisions 521, the utility model is not limited to this, and the separation number of subdivision can increase.
A pair of subdivision 521 is to clip the mode combination of barrier film 53 at flange part 522 places.Barrier film 53 is close on the inner peripheral surface of shell 51, flow into the inside of shell 51 to suppress backwashing water.And, between the second boss 512 of barrier film 53 and shell 51 elastomeric element 55 is installed.Elastomeric element 55 can preferably use spring.
The material of shell 51 and valve body 52 can be used stainless steel (for example, the Japanese trade mark is the stainless steel of " SUS303 " etc.).
The following describes the method for operation of this auto purification type nozzle of the utility model embodiment.
With reference to Fig. 7, when auto purification type nozzle 50 did not spray backwashing water, the flange part 522 of valve body 52 was positioned at the rearward end of shell 51 because of the elastic force effect that is subjected to elastomeric element 55.And although the rearward end of a pair of subdivision 521 that combines by barrier film 53 is sealings, leading section opens wide with the gap larger than rearward end.That is, the outlet size of passage 524 is larger.
With reference to Fig. 8, so that rising water pressure, the elastic force that the flange part 522 of valve body 52 can overcome because being under pressure elastomeric element 55 advances forward because supplying with backwashing waters from supply pipe 60.Along with advancing of the leading section of valve body 52, under the guiding of the end face minimizing section 513 of shell 51, the interval between the leading section of a pair of subdivision 521 dwindles gradually.Valve body 52 until foremost all with shell 51 close contacts, the size of the outlet 525 of passage 524 becomes less.From the front, the gap that convex lens shape is shown greatly in the outlet 525 of passage 524 forms.As mentioned above, auto purification type nozzle 50 sprays backwashing water by the passage 524 of the constriction of valve body 52.
The foreign matter of filter element 20 interrupts the supply of the backwashing water of supply pipe 60 after removing by the backwashing water of auto purification type nozzle.In case the supply of backwashing water is interrupted, hydraulic pressure step-down then, valve body 52 shrinks back under the recuperability effect of elastomeric element 55 and revert to original position.
As mentioned above, the auto purification type nozzle 50 of the utility model embodiment is when hydraulic pressure at ordinary times is low, the outlet 525 of the passage 524 of valve body 52 can be opened, when rising water pressure and when spraying backwashing water, along with the outlet 525 of the front stand in channel 524 of valve body 52 can constrictions.As mentioned above, the action (cleaning action) of the change in size of the passage 524 by valve body 52 prevents that foreign matter is accumulated in passage 524 places, even and foreign matter accumulate, also can remove at an easy rate by the cleaning action of self.Thus, the auto purification type nozzle 50 of the utility model embodiment is compared with existing fixed nozzle, reduced the workload of cleaning, maintenance and the guarantee carried out for the foreign matter of removing accumulation, and the amount of the foreign matter of accumulation is also few, be able to thus the cleaning period of prolonging nozzle, prevent from damaging nozzle because cleaning frequently, thus the prolonging nozzle life-span.
In above-mentioned, although be that the utility model preferred embodiment is illustrated, but the utility model is not limited to this, can carry out various modification and implement in the scope of claims and specification and accompanying drawing, and should think that also these modification belong to scope of the present utility model.
Claims (9)
1. an auto purification type nozzle is used for spraying fluid, it is characterized in that, this auto purification type nozzle comprises: shell; And, valve body, this valve body is installed in this shell in a movable manner, and is formed with the passage that supplies this fluid process at this valve inner; This valve body advances or retreats to a side of this shell or opposite side under the pressure-acting of this fluid, and the outlet size of this passage changes along with the movement of this valve body.
2. auto purification type nozzle as claimed in claim 1 is characterized in that, the outlet size of this passage is dwindled when this valve body advances, enlarged when this valve body retreats.
3. auto purification type nozzle as claimed in claim 1 is characterized in that, this valve body is included in the reeded a plurality of subdivisions of the upper formation of one side, and the groove of these a plurality of subdivisions forms this passage jointly.
4. auto purification type nozzle as claimed in claim 3 is characterized in that, the rearward end of these a plurality of subdivisions accompanies barrier film, the inner peripheral surface driving fit of this barrier film and this shell.
5. auto purification type nozzle as claimed in claim 4 is characterized in that, the width of the inner peripheral surface that the leading section of this shell forms reduces gradually, so that along with the outlet size of this passage that advances of these a plurality of subdivisions is dwindled.
6. auto purification type nozzle as claimed in claim 3 is characterized in that, the inner peripheral surface place that the leading section of this shell forms is provided with "O” ring.
7. auto purification type nozzle as claimed in claim 1 is characterized in that, this valve body accompanies elastomeric element, so that this valve body revert to initial position when the pressure of this fluid reduces.
8. auto purification type nozzle as claimed in claim 7 is characterized in that, this elastomeric element is spring.
9. a disc filter is characterized in that, it comprises: the cylinder of rotation, discharge the sewage that flows into by the outlet that is formed on the outer peripheral face; Filter element is installed on this outer peripheral face, is used for filtering the sewage that this outlet is discharged; And, such as each described auto purification type nozzle among the claim 1-8, be used for removing the foreign matter that is attached on this filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548905 CN202844717U (en) | 2012-10-24 | 2012-10-24 | Self-purification nozzle and disc filter comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548905 CN202844717U (en) | 2012-10-24 | 2012-10-24 | Self-purification nozzle and disc filter comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202844717U true CN202844717U (en) | 2013-04-03 |
Family
ID=47975956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548905 Expired - Fee Related CN202844717U (en) | 2012-10-24 | 2012-10-24 | Self-purification nozzle and disc filter comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202844717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918709A (en) * | 2018-04-13 | 2020-11-10 | 威立雅水务技术支持公司 | Rotating disc filter with backwash system including compact nozzle support structure |
-
2012
- 2012-10-24 CN CN 201220548905 patent/CN202844717U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918709A (en) * | 2018-04-13 | 2020-11-10 | 威立雅水务技术支持公司 | Rotating disc filter with backwash system including compact nozzle support structure |
| US11291935B2 (en) | 2018-04-13 | 2022-04-05 | Veolia Water Solutions & Technologies Support | Rotary disc filter having a backwash system that includes a compact nozzle support structure |
| US11801464B2 (en) | 2018-04-13 | 2023-10-31 | Veolia Water Solutions & Technologies Support | Rotary disc filter having a backwash system that includes a compact nozzle support structure |
| IL277688B1 (en) * | 2018-04-13 | 2024-10-01 | Veolia Water Solutions & Tech | Rotary disc filter having a backwash system that includes a compact nozzle support structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |