CN115779534B - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN115779534B CN115779534B CN202310068846.8A CN202310068846A CN115779534B CN 115779534 B CN115779534 B CN 115779534B CN 202310068846 A CN202310068846 A CN 202310068846A CN 115779534 B CN115779534 B CN 115779534B
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- sewage
- filter element
- annular
- pressing die
- impurity
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- 239000010865 sewage Substances 0.000 title claims abstract description 91
- 239000012535 impurity Substances 0.000 claims abstract description 108
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 238000007790 scraping Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 16
- 238000009825 accumulation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003911 water pollution Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Filtration Of Liquid (AREA)
Abstract
The invention provides a sewage treatment device, which relates to the technical field of sewage filtration and comprises a supporting platform; the cylinder body is arranged on the supporting platform and is provided with an impurity outlet; the filter element is rotatably arranged in the cylinder body, and an annular cavity is formed by the side surface of the bottom of the filter element and the inner circular side wall of the cylinder body; the pressing die is arranged in the cylinder body in a lifting manner; when the sewage treatment device is used, sewage enters the sewage chamber and is filtered through the filter element, solid impurities are reserved in the sewage chamber, the pressing die is controlled to move downwards and the impurity cleaning device is in an open state, the pressing die moves downwards to push the solid impurities into the annular chamber, meanwhile, the rotary driving structure drives the filter element to rotate, so that the solid impurities are scraped through the scraping plate, and then are discharged through the impurity outlet, so that the accumulation of the solid impurities on the surface of the filter element is effectively reduced, the sewage circulation capacity is improved, and the whole sewage treatment efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sewage filtration, in particular to a self-cleaning sewage treatment device.
Background
The sewage treatment is a process for purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and the sewage treatment is increasingly carried into the daily life of common people. The water pollution is classified into two categories according to the nature of the water pollution: one type is natural pollution; the other type is artificial pollution, and the current hazard to water is great. Water pollution can be largely classified into three categories of chemical pollution, physical pollution and biological pollution according to the difference of pollution impurities. The pollutants mainly comprise industrial wastewater, domestic sewage, farmland sewage, water and soil loss, mine sewage and the like.
Traditionally, in sewage treatment plant, in order to make things convenient for in time clear away the impurity that is attached to on the filter screen, one is detachable filter screen, through dismantling the filter screen and clear away the solid impurity of filtering on it, another is alternative filter screen, one of them filter screen is in filtering the station, another one filter screen is in non-filterable station, two filter screens use in turn, make things convenient for manual work or clear up the impurity on it automatically, this kind of sewage treatment plant can cause the accumulation of solid impurity on the filtering position inevitably, can slow down the ability of sewage circulation when solid impurity piles up too much, thereby reduce whole sewage treatment's efficiency. Therefore, a sewage treatment device with automatic impurity cleaning function is provided on the basis.
Disclosure of Invention
The invention aims to provide a sewage treatment device, which aims to solve the problem that the sewage treatment device in the prior art inevitably causes solid impurities to accumulate at a filtering position and slows down sewage circulation capacity when the solid impurities accumulate too much.
In order to achieve the above purpose, the invention adopts the following technical scheme: the sewage treatment device includes:
a support platform;
the cylinder body is arranged on the supporting platform and is provided with an impurity outlet;
the filter element is rotatably arranged in the cylinder and is used for filtering sewage, and an annular cavity is formed by the side surface of the bottom of the filter element and the inner circular side wall of the cylinder;
the pressing die is arranged in the cylinder body in a lifting manner;
the rotary driving structure is arranged between the pressing die and the filter element and is used for converting the lifting motion of the pressing die into the rotary motion of the filter element;
the impurity cleaning device is arranged on the supporting platform and has an opening state and a closing state, and comprises a scraping plate for opening or closing the impurity outlet, and when the impurity cleaning device is in the closing state, the scraping plate seals the impurity outlet; when the impurity cleaning device is in an open state, one side of the scraping plate is contacted with the side surface of the filter element;
when the pressing die ascends, the impurity cleaning device is in a closed state, and a sewage chamber is formed between the pressing die and the cylinder body and is used for allowing sewage to enter; when the pressing die descends, the impurity cleaning device is in an open state, impurities in the sewage chamber are pushed into the annular chamber by the pressing die, the impurities in the annular chamber pass through the scraper blade position along with rotation of the filter element, and the impurities are scraped by the scraper blade and then discharged through the impurity outlet.
According to a further technical scheme, the automatic pressing die comprises a lifting driving device, wherein the movable end of the lifting driving device is fixedly connected to the top of the pressing die, and the fixed end of the lifting driving device is fixedly arranged on an external supporting frame.
According to a further technical scheme, the scraping plate is provided with an arc-shaped surface.
According to a further technical scheme, the filter cartridge comprises a support fixedly connected to the bottom of the cylinder, the support comprises an annular seat, the annular seat is rotatably connected with the filter cartridge through a bearing, and a connecting strip fixedly connected with the cylinder is fixedly arranged on the annular seat.
According to a further technical scheme, the top of the pressing die is provided with a sewage inlet, so that sewage enters the sewage chamber through the sewage inlet.
According to a further technical scheme, the rotary driving structure comprises a guide rod arranged on a pressing die and a guide hole formed in a filter element, the guide hole is in sliding fit with the guide rod, meanwhile, a gap between the guide rod and the guide hole can enable the filter element to rotate relative to the guide rod, a spiral plate is fixedly arranged at the bottom of the guide rod, a strip-shaped hole is formed in the bottom of the guide hole, and the strip-shaped hole is matched with the spiral plate.
According to a further technical scheme, a first limiting boss is arranged at the bottom of the guide rod, a second limiting boss is arranged at the top of the guide hole, and the first limiting boss is located right below the second limiting boss.
According to a further technical scheme, the impurity cleaning device comprises a rotating shaft fixedly arranged on an impurity outlet, a scraping plate rotatably arranged on the outer surface of the rotating shaft and a driving mechanism for driving the scraping plate to rotate.
According to a further technical scheme, the driving mechanism comprises a driving motor, and the output end of the driving motor is in transmission connection with the scraping plate through a connecting rod mechanism.
According to a further technical scheme, the connecting rod mechanism comprises a first connecting rod fixedly connected with the output end of the driving motor, a strip-shaped sliding hole is formed in the first connecting rod, a sliding rod is connected in the strip-shaped sliding hole in a sliding mode, and a second connecting rod fixedly connected with one side of the scraping plate is fixedly connected to the sliding rod.
The beneficial effects of the invention are as follows: when the sewage treatment device is used, sewage enters the sewage chamber and is filtered through the filter element, the sewage without solid impurities is discharged from the bottom of the barrel after passing through the filter element, the solid impurities are left in the sewage chamber, when the solid impurities in the sewage chamber are excessive, the pressing die is driven to move downwards, the impurity cleaning device is controlled to be in an open state, the pressing die moves downwards to push the solid impurities in the sewage chamber into the annular chamber, meanwhile, the pressing die moves downwards to drive the filter element to rotate through the rotary driving structure, the solid impurities in the annular chamber also rotate along with the filter element to pass through the scraper blade, the scraper blade scrapes the solid impurities away and then is discharged through the impurity outlet, so that the accumulation of the solid impurities on the surface of the filter element is effectively lightened, the sewage circulation capacity is improved, and the efficiency of the whole sewage treatment is improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is another structural schematic of an embodiment of the present invention.
Fig. 3 is an exploded view of a support platform and cartridge of an embodiment of the present invention.
Fig. 4 is a schematic view of the structure of the cartridge, cartridge and die of an embodiment of the present invention.
Fig. 5 is a schematic structural view of a rotary driving structure according to an embodiment of the present invention.
Fig. 6 is a schematic view showing a structure in which the impurity cleaning device according to the embodiment of the present invention is in a closed state.
Fig. 7 is a schematic view of the structure of the impurity cleaning device according to the embodiment of the present invention in an opened state.
Fig. 8 is a schematic view of the structure of the shaft, the squeegee and the drive mechanism according to the embodiment of the invention.
Fig. 9 is a schematic view of the structure of an arcuate surface according to an embodiment of the present invention.
Fig. 10 is a schematic structural view of a stent according to an embodiment of the present invention.
In the figure: 10. a support platform; 11. a first mounting hole; 12. a second mounting hole; 20. a cylinder; 21. a sewage chamber; 22. an impurity outlet; 23. a support boss; 30. a filter element; 31. a first top wall; 32. a first tapered sidewall; 33. an annular sidewall; 34. a first annular bottom wall; 35. an annular cavity; 40. a lifting driving device; 50. pressing; 51. a sewage inlet; 52. a mating groove; 521. a second top wall; 522. a second tapered sidewall; 523. a second annular bottom wall; 60. a rotary driving structure; 61. a guide rod; 611. a first limiting boss; 62. a guide hole; 621. a second limiting boss; 63. a spiral plate; 64. a bar-shaped hole; 70. impurity cleaning device; 71. a rotating shaft; 72. a scraper; 721. an arc surface; 73. a driving mechanism; 731. a driving motor; 732. a link mechanism; 7321. a first link; 7322. a bar-shaped slide hole; 7323. a slide bar; 7324. a second link; 80. a bracket; 81. an annular seat; 82. and (5) connecting strips.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
As shown in fig. 1 to 8, in an embodiment of the present invention, a sewage treatment apparatus includes a support platform 10, a cylinder 20 mounted on the support platform 10, the support platform 10 providing support for the cylinder 20, the cylinder 20 for accommodating sewage containing impurities, a pressing die 50 disposed inside the cylinder 20 to be lifted and lowered, and driven by a lifting driving device 40, a filter element 30 horizontally rotatably mounted inside the cylinder 20, capable of filtering the sewage and extruding the impurities containing the sewage in cooperation with the pressing die 50, and a sewage chamber 21 formed between the pressing die 50 and the cylinder 20 for allowing the sewage to enter when the pressing die 50 is lifted; when the die 50 descends, the contaminated water contained in the impurities is extruded and discharged from the bottom of the cylinder 20 through the cartridge 30.
Wherein, a rotary driving structure 60 is connected between the pressing die 50 and the filter element 30, the lifting movement of the pressing die 50 in the vertical direction is converted into the rotary movement of the filter element 30 in the horizontal direction, the top of the pressing die 50 is provided with a sewage inlet 51, so that sewage can enter the sewage chamber 21 through the sewage inlet 51, when the sewage enters the sewage chamber 21, the impurity in the middle of the filter element 30 can be impacted to the edge position of the filter element, the outer circumferential surface of a part of the cylinder 20 is provided with an impurity outlet 22, the impurity outlet 22 is positioned at the bottom of the cylinder 20, the support platform 10 is provided with an impurity cleaning device 70, the impurity cleaning device 70 is positioned at the outer side of the cylinder 20, and when the filter element 30 rotates, the impurity cleaning device 70 is matched with the impurity cleaning device 70, and the impurity on the periphery of the filter element 30 is gathered at the position adjacent to the impurity outlet 22, so that the impurity positioned at the edge position of the filter element 30 is discharged from the impurity outlet 22 to the outside of the cylinder 20.
Referring to fig. 1 to 3, the support platform 10 is a plate-shaped structure, the shape of which can be square, round, triangular or other, the middle of the support platform 10 is provided with a first mounting hole 11 adapted to the cylinder 20, so that the cylinder 20 can be mounted in the first mounting hole 11 of the support platform 10 in a matching manner, the cylinder 20 is welded on the inner wall of the first mounting hole 11, in this embodiment, the cylinder 20 is a hollow structure with openings at the upper end and the lower end, the bottom of the inner wall of the cylinder 20 is provided with a support boss 23, the support boss 23 can support the filter element 30, and the support platform 10 is also provided with a second mounting hole 12, so that a part of the impurity cleaning device 70 can be mounted in the second mounting hole 12.
Referring to fig. 1 and 4, the filter element 30 is rotatably disposed on the inner wall of the cylinder 20 through a sealed bearing, and the filter element 30 is coaxially disposed with the cylinder 20, the filter element 30 includes a first top wall 31, a first tapered side wall 32 formed by extending downward from the edge of the first top wall 31, an annular side wall 33 connected to the lower edge of the first tapered side wall 32, and a first annular bottom wall 34 connected to the annular side wall 33, wherein the first tapered side wall 32 is extended from top to bottom, the annular side wall 33 is vertically disposed, the annular side wall 33 of the filter element 30, the first annular bottom wall 34 and the inner circular side wall of the cylinder 20 form an annular cavity 35, when the pressing mold 50 ascends relative to the filter element 30, sewage enters the sewage chamber 21 through the sewage inlet 51, and part of the entered sewage falls into the annular cavity 35 along the inclined first tapered side wall 32, and at the same time, the pressing mold 50 ascends to drive the filter element 30 through the rotation driving structure 60, so that the sewage entering the sewage chamber 21 can sufficiently contact the entire first tapered side wall 32 of the filter element 30, thereby increasing the range of the sewage impacting the first tapered side wall 32, and further increasing the flushing effect of the impurities on the first tapered side wall 32.
Referring to fig. 1 and 2, the movable end of the lifting driving device 40 is fixedly connected to an intermediate position at the top of the pressing mold 50, in this embodiment, the lifting driving device 40 is a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected to the pressing mold 50, and a cylinder body of the hydraulic cylinder is fixed to an external supporting frame (not shown in the drawings); in other embodiments, the lift drive 40 may be implemented using an air cylinder, an electric telescopic rod, or a screw drive structure.
With continued reference to fig. 1 and 4, the die 50 is cylindrical and is coaxially disposed with the filter element 30, the outer wall thereof is slidably fitted on the inner wall of the cylinder 20, the bottom of the die 50 is formed with a fitting groove 52, the top of the fitting groove 52 includes a second top wall 521, a second conical side wall 522 formed by downwardly extending the edge of the second top wall 521, and the die 50 has a second annular bottom wall 523 connected to the lower edge of the second conical side wall 522, wherein the second top wall 521 is in the same size as the first top wall 31 of the filter element 30, so that the second top wall 521 of the die 50 can be completely contacted with the first top wall 31 of the filter element 30 when the die 50 is lowered, the taper of the second conical side wall 522 of the die 50 is the same as the taper of the first conical side wall 32 of the filter element 30, and the second annular bottom wall 523 of the die 50 is fitted with the second top wall 521 of the annular cavity 35, that is to move the die 50 downward so that the inner wall of the fitting groove 52 can be matched with a portion of the outer surface of the filter element 30.
Referring to fig. 5, the rotary driving structure 60 includes a guide rod 61 disposed in the middle of the coupling groove 52 and a guide hole 62 disposed in the middle of the filter element 30, the guide hole 62 is slidably coupled with the guide rod 61 so that the guide rod 61 can move up and down along the axial direction of the guide hole 62, and at the same time, a gap between the guide rod 61 and the guide hole 62 can rotate the filter element 30 relative to the guide rod 61, so as to improve the stability of rotation of the filter element 30, a spiral plate 63 is fixedly disposed at the bottom of the guide rod 61, the spiral plate 63 has a spiral driving surface, a bar-shaped hole 64 is formed at the bottom of the guide hole 62, and the bar-shaped hole 64 is matched with the spiral plate 63 so that the spiral plate 63 can drive the entire filter element 30 to rotate by pushing the inner wall of the bar-shaped hole 64 when moving up and down freely, and it can be appreciated that the spiral plate 63 provides a spiral angle for pushing the filter element 30 to rotate; in other embodiments, the screw plate 63 and the bar-shaped hole 64 may use a screw nut instead.
With continued reference to fig. 5, in which the bottom of the guide bar 61 is provided with a first restriction boss 611, the top of the guide hole 62 is provided with a second restriction boss 621, the first restriction boss 611 is located directly below the second restriction boss 621, and when the guide bar 61 moves up to the top of the guide hole 62, the second restriction boss 621 can contact the first restriction boss 611 and restrict the guide bar 61 from moving up further, so that the guide bar 61 can be prevented from moving up and out of the guide hole 62, thereby restricting the stroke of the die 50.
Referring to fig. 6 to 8, the impurity cleaning device 70 has two states of an open state and a closed state, the impurity cleaning device 70 includes a rotation shaft 71 fixedly provided on the impurity outlet 22, a scraper 72 rotatably provided on an outer surface of the rotation shaft 71, and a driving mechanism 73 for driving the scraper 72 to rotate, when the impurity cleaning device 70 is in the open state (as shown in fig. 7), one end of the scraper 72 is rotated into the annular chamber 35, and one side of the scraper 72 is in contact with the annular side wall 33, while the bottom of the scraper 72 is in contact with the first annular bottom wall 34; when the impurity cleaning device 70 is in the closed state (as shown in fig. 6), the scraper 72 is rotated to a position to be engaged with the impurity outlet 22, the scraper 72 closes the impurity outlet 22, and it can be appreciated that the height of the scraper 72 is smaller than the height of the annular chamber 35.
When the impurity cleaning device 70 is in the opened state, impurities accumulated on the annular bottom wall of the cartridge 30 are rotated with the cartridge 30, and the impurities are introduced into the accommodating space formed between the scraper 72 and the inner circumferential side wall of the cylinder 20, the interval of the accommodating space is gradually reduced by the direction of introduction of the impurities, and when the scraper 72 is driven to the closed position, the impurities in the accommodating space are pushed and discharged from the impurity outlet 22.
The driving mechanism 73 comprises a driving motor 731, the output end of the driving motor 731 is in transmission connection with the scraper 72 through a link mechanism 732, the link mechanism 732 comprises a first link 7321 fixedly connected with the output end of the driving motor 731, a strip-shaped sliding hole 7322 is formed in the first link 7321, a sliding rod 7323 is connected to the sliding rod 7322 in a sliding mode, a second link 7324 fixedly connected with one side of the scraper 72 is fixedly connected to the sliding rod 7323, the first link 7321 is driven to rotate through rotation of the driving motor 731, the sliding rod 7323 slides on the strip-shaped sliding hole 7322 through rotation of the first link 7321, the sliding rod 7323 slides to drive the scraper 72 to rotate along the rotating shaft 71, and therefore position adjustment of the scraper 72 is achieved.
In this embodiment, during the use, sewage gets into sewage cavity 21 from sewage import 51, sewage filters through filter core 30, the impurity is stayed on filter core 30 surface and is slipped to annular cavity 35 along first toper lateral wall 32, simultaneously, the sewage that does not contain impurity passes behind the filter core 30 is discharged from barrel 20 bottom, simultaneously, the sewage that gets into from sewage import 51 also can further wash out filter core 30 surface, make the impurity that remains on the filter core 30 surface further wash out to annular cavity 35, when the impurity in annular cavity 35 and the sewage cavity 21 is too much, start lift drive 40 and drive moulding-die 50 and move down, extrude the impurity in annular cavity 35 and the sewage cavity 21, make the water extrusion in the impurity, simultaneously, the moulding-die 50 moves down and drives filter core 30 through rotary drive structure 60 and rotate, simultaneously, control impurity cleaning device 70 is with scraper 72 and annular lateral wall 33 contact, the impurity rotation on the filter core 30 passes scraper 72, so that the impurity is followed impurity is released by impurity export 22 and is outside barrel 20, then control scraper 72 closes impurity export 22, lift drive 40 drives the moulding-die 50 and moves up again and opens sewage cavity 21, when the impurity in annular cavity 35 and the impurity in the sewage cavity 21 is too much, the impurity in the cavity is carried out to the impurity in the filter core 30 is carried out to the upper end of the filter core 30, the impurity is carried out to the impurity on the conical side wall 32 is realized to the filter core 30, simultaneously, the impurity is removed on the surface is improved through the conical side wall 32, and the effect is realized on the filter core is fully and is improved, and the filter core is more than completely and is more than completely to the side than the filter core 30 is contacted with the filter core is removed by the filter core 30.
Referring to fig. 9, in the first embodiment, since the contact area between the scraper 72 and the annular sidewall 33 is small, the effect of scraping the impurities on the annular sidewall 33 by the scraper 72 is poor, and therefore, in the second embodiment, an arc surface 721 is provided on the scraper 72, that is, one end of the scraper 72 contacting the annular sidewall 33 of the filter element 30 is pointed, and the arc surface 721 is adapted to the arc surface of the annular sidewall 33, so that when the impurity cleaning device 70 is in a cleaning state, the arc surface 721 on the scraper 72 can be matched and attached with the annular sidewall 33, and the scraping effect of the impurities on the annular sidewall 33 is enhanced.
Referring to fig. 10, a third embodiment is provided on the basis of the above embodiment to improve stability of the filter element 30, in the third embodiment, the filter element further includes a support 80 fixedly connected to the bottom of the cylinder 20, the support 80 includes an annular seat 81, the annular seat 81 is rotationally connected to the filter element 30 through a roller bearing, six connecting strips 82 are fixedly disposed around the annular seat 81, the connecting strips 82 are radially disposed on the annular seat 81, so that the filter element 30 can be supported, and stability of the filter element 30 is improved, and it is noted that the number of the connecting strips 82 may be two, five, eight or more, and the number of the connecting strips 82 is not limited in this embodiment.
Claims (7)
1. A sewage treatment apparatus, comprising:
a support platform;
the cylinder body is arranged on the supporting platform and is provided with an impurity outlet;
the filter element is rotationally arranged in the cylinder and used for filtering sewage, the filter element comprises a first top wall, a first conical side wall formed by downward extension of the edge of the first top wall, an annular side wall connected to the lower edge of the first conical side wall, and a first annular bottom wall connected with the annular side wall, the first conical side wall is extended outwards from top to bottom, the annular side wall is vertically arranged, and an annular cavity is formed by the annular side wall of the filter element, the first annular bottom wall and the inner circular side wall of the cylinder; the first conical side wall is provided with a filtering hole;
the pressing die is arranged in the cylinder body in a lifting manner;
the rotary driving structure is arranged between the pressing die and the filter element and is used for converting the lifting motion of the pressing die into the rotary motion of the filter element; the rotary driving structure comprises a guide rod arranged on the pressing die and a guide hole arranged on the filter element, the guide hole is in sliding fit with the guide rod, meanwhile, a gap between the guide rod and the guide hole can enable the filter element to rotate relative to the guide rod, a spiral plate is fixedly arranged at the bottom of the guide rod, a strip-shaped hole is formed in the bottom of the guide hole, and the strip-shaped hole is matched with the spiral plate;
the impurity cleaning device is arranged on the supporting platform and has an opening state and a closing state, and comprises a scraping plate for opening or closing the impurity outlet, and when the impurity cleaning device is in the closing state, the scraping plate seals the impurity outlet; when the impurity cleaning device is in an open state, one side of the scraping plate is contacted with the side surface of the filter element; the impurity cleaning device comprises a rotating shaft fixedly arranged on the impurity outlet, a scraping plate rotatably arranged on the outer surface of the rotating shaft and a driving mechanism for driving the scraping plate to rotate; the scraping plate is provided with an arc-shaped surface; when the pressing die ascends, the impurity cleaning device is in a closed state, and a sewage chamber is formed between the pressing die and the cylinder body and is used for allowing sewage to enter; when the pressing die descends, the impurity cleaning device is in an open state, impurities in the sewage chamber are pushed into the annular chamber by the pressing die, the impurities in the annular chamber pass through the scraper blade position along with rotation of the filter element, and the impurities are scraped by the scraper blade and then discharged through the impurity outlet.
2. The wastewater treatment device of claim 1, further comprising a lifting drive device, wherein a movable end of the lifting drive device is fixedly connected to the top of the pressing die, and a fixed end of the lifting drive device is fixedly arranged on the external support frame.
3. The sewage treatment device according to claim 1, further comprising a bracket fixedly connected to the bottom of the cylinder, wherein the bracket comprises an annular seat, the annular seat is rotatably connected with the filter element through a bearing, and a connecting strip fixedly connected with the cylinder is fixedly arranged on the annular seat.
4. The sewage treatment apparatus according to claim 1, wherein a sewage inlet is provided at a top of the pressing die for allowing sewage to enter the sewage chamber through the sewage inlet.
5. The sewage treatment apparatus according to claim 1, wherein a first restriction boss is provided at a bottom of the guide bar, a second restriction boss is provided at a top of the guide hole, and the first restriction boss is located directly under the second restriction boss.
6. The sewage treatment apparatus according to claim 1, wherein the driving mechanism comprises a driving motor, and an output end of the driving motor is in transmission connection with the scraper blade through a link mechanism.
7. The sewage treatment device according to claim 6, wherein the link mechanism comprises a first link fixedly connected with the output end of the driving motor, a bar-shaped sliding hole is formed in the first link, a sliding rod is slidably connected in the bar-shaped sliding hole, and a second link fixedly connected with one side of the scraping plate is fixedly connected to the sliding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310068846.8A CN115779534B (en) | 2023-02-06 | 2023-02-06 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310068846.8A CN115779534B (en) | 2023-02-06 | 2023-02-06 | Sewage treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115779534A CN115779534A (en) | 2023-03-14 |
| CN115779534B true CN115779534B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310068846.8A Active CN115779534B (en) | 2023-02-06 | 2023-02-06 | Sewage treatment device |
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| CN (1) | CN115779534B (en) |
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| CN118270878B (en) * | 2024-06-03 | 2024-08-16 | 山东中科瑞沃环境技术有限公司 | Adsorption filtration system for sewage purification |
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