CN118791193B

CN118791193B - A device for treating biogas slurry from kitchen waste

Info

Publication number: CN118791193B
Application number: CN202411267107.2A
Authority: CN
Inventors: 蒋惠敏; 沈寄萌; 陈剑波
Original assignee: Shenzhen Xnb Environmental Technology Co ltd
Current assignee: Shenzhen Xnb Environmental Technology Co ltd
Priority date: 2024-09-11
Filing date: 2024-09-11
Publication date: 2024-11-22
Anticipated expiration: 2044-09-11
Also published as: CN118791193A

Abstract

The invention relates to the technical field of kitchen waste biogas slurry treatment, and discloses a kitchen waste biogas slurry treatment device which comprises a conveying tank; the filter assembly comprises a first filter screen, a second filter screen and a first cleaning piece, wherein the first filter screen and the second filter screen are respectively and fixedly connected in the conveying tank and are respectively used for filtering impurities and floating oil, and the first cleaning piece is arranged in the conveying tank and is used for cleaning the first filter screen and the second filter screen; the treatment assembly comprises a treatment tank, a stirring shaft and a material conveying part, wherein the other side of the conveying tank is communicated with the treatment tank through a first pipeline, the stirring shaft is rotationally connected in the treatment tank, and the material conveying part is arranged on the stirring shaft and used for conveying flocculant; the collecting assembly comprises a collecting tank and a recovering piece, wherein the collecting tank is communicated with the treatment tank through a second pipeline, and the recovering piece is arranged in the collecting tank and used for filtering and recovering biogas slurry. The invention realizes the separation, high-efficiency reaction treatment and stable recovery of the floating oil of the biogas slurry, and ensures the overall treatment efficiency.

Description

Kitchen garbage natural pond liquid's processing apparatus

Technical Field

The invention relates to the technical field of kitchen waste biogas slurry treatment, in particular to a kitchen waste biogas slurry treatment device.

Background

Kitchen waste refers to waste generated in activities such as daily living and food processing, food service, unit food supply and the like of residents, and comprises discarded unused leaves, leftovers, pericarps, eggshells, tea leaves, bones and the like, and the main sources of the kitchen waste are home kitchens, restaurants, dining halls, markets and other industries related to food processing. Kitchen waste can generate a large amount of biogas slurry in the anaerobic fermentation treatment process, and the biogas slurry is high-concentration organic or inorganic wastewater containing solid organic matters, metal ions and the like, and the biogas slurry can be discharged by usually needing treatment.

Kitchen garbage natural pond liquid processing apparatus among the prior art is when handling natural pond liquid, has oil slick and impurity in the natural pond liquid generally, influences the mixing effect when later throwing in the flocculating agent to influence holistic treatment effeciency, contains a large amount of flocs in the natural pond liquid after throwing in the flocculating agent among the prior art simultaneously, filters through simple filter screen and leads to the filter screen to block up easily, influences holistic treatment effeciency.

Therefore, a treatment device for kitchen waste biogas slurry is needed to solve the above problems.

Disclosure of Invention

The invention aims to provide a kitchen waste biogas slurry treatment device, which aims to solve the problems in the prior art.

In order to achieve the above object, the present invention provides the following solutions: the invention provides a kitchen waste biogas slurry treatment device, which comprises:

The conveying tank is fixedly connected with a feeding pipe at one side;

The filter assembly comprises a first filter screen, a second filter screen and a first cleaning piece, wherein the first filter screen and the second filter screen are respectively and fixedly connected in the conveying tank, the first filter screen and the second filter screen are respectively used for filtering impurities and floating oil, and the first cleaning piece is arranged in the conveying tank and used for cleaning the first filter screen and the second filter screen;

the treatment assembly comprises a treatment tank, a stirring shaft and a material conveying part, wherein the other side of the conveying tank is communicated with the treatment tank through a first pipeline, the stirring shaft is rotationally connected in the treatment tank, and the material conveying part is arranged on the stirring shaft and is used for conveying flocculant;

The collection assembly comprises a collection tank and a recovery piece, wherein the collection tank is communicated with the treatment tank through a second pipeline, and the recovery piece is arranged in the collection tank and used for filtering and recovering biogas slurry.

Preferably, the first cleaning member comprises a supporting rod with one end rotatably connected to the top end inside the conveying tank, the other end of the supporting rod penetrates through the first filter screen and is rotatably connected to the middle part of the second filter screen, a supporting block is fixedly connected to the supporting rod and located between the first filter screen and the second filter screen, a central shaft is rotatably connected to the top end of the supporting block, a cleaning roller is fixedly connected to the central shaft, the cleaning roller is contacted with the bottom end of the first filter screen, cleaning plates are fixedly connected to the bottom end of the supporting rod and are respectively and slidably connected to the top end of the second filter screen, a rotating member is arranged on the inner side wall of the conveying tank, the central shaft is connected with the rotating member, a first motor is fixedly connected to the top end of the conveying tank, and one end of the supporting rod extends out of the conveying tank and is fixedly connected with an output shaft of the first motor.

Preferably, the rotating member comprises a supporting ring fixedly connected to the inner wall of the conveying tank, a sliding groove is formed in the supporting ring, a sliding block is connected in the sliding groove in a sliding mode, one end of a central shaft is connected with the sliding block, a first gear is fixedly connected to the central shaft, a toothed plate is fixedly connected to the supporting ring, and the first gear is meshed with the toothed plate.

Preferably, the material conveying piece comprises a material conveying disc, the material conveying disc is fixedly connected to the stirring shaft, the material conveying disc is meshed with the third gear, a material conveying channel is formed in the stirring shaft, a material storage box and a second motor are fixedly connected to the top end of the treatment tank, the top end of the stirring shaft extends out of the treatment tank and is rotationally connected with a communicating block, the communicating block is communicated with the material storage box through a third pipeline, a second gear is fixedly connected to the stirring shaft, a third gear is fixedly connected to an output shaft of the second motor through a transmission shaft, the second gear is meshed with the third gear, and a plurality of material conveying holes are formed in the bottom end of the material conveying disc and are communicated with the material conveying channel.

Preferably, the recovery piece includes the filter vat, the equal fixedly connected with head rod's in filter vat both ends one end, the head rod other end stretches out the first limiting plate of collection tank fixedly connected with, fixedly connected with support frame on the collection tank lateral wall, rotate on the support frame and be connected with the axis of rotation, fixedly connected with cam in the axis of rotation, the cam with one of them first limiting plate contact, fixedly connected with third motor on the support frame, axis of rotation one end with the output shaft fixed connection of third motor.

Preferably, a first spring is sleeved on the first connecting rod, and two ends of the first spring are fixedly connected with the inner wall side of the collecting tank and the outer side wall of the filtering tank respectively.

Preferably, the bottom end of the filter tank is provided with a plurality of filter holes, and the filter tank is obliquely arranged in the collecting tank.

Preferably, the first filter screen and the second filter screen are both in a truncated cone-shaped structure, and a plurality of filter round holes are formed in the first filter screen and the second filter screen.

Preferably, a plurality of cleaning protrusions are fixedly connected to the cleaning roller, and the cleaning protrusions are matched with the filtering round holes in the first filter screen.

Preferably, the second filter screen is a super-oleophobic filter screen film.

Compared with the prior art, the invention has the following advantages and technical effects:

according to the kitchen waste biogas slurry treatment device, biogas slurry is conveyed into the conveying tank through the feeding pipe, impurities are filtered through the first filter screen, floating oil in the biogas slurry is filtered through the second filter screen, meanwhile, the first filter screen and the second filter screen are cleaned through the first cleaning piece in the filtering process, so that the overall filtering efficiency is guaranteed, the filtered biogas slurry is conveyed into the treatment tank through the first pipeline, the flocculant is thrown into the treatment tank through the conveying piece and stirred through the stirring shaft, the treatment of the biogas slurry is achieved, the treatment efficiency is guaranteed, the treated biogas slurry is conveyed into the collecting tank through the second pipeline, and the treated biogas slurry is filtered and recovered through the recovery piece. The application realizes the separation, high-efficiency reaction treatment and stable recovery of the floating oil of the biogas slurry, and ensures the overall treatment efficiency.

Drawings

For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the invention at B in FIG. 1;

FIG. 4 is a schematic diagram of a second embodiment of the present invention;

FIG. 5 is a schematic view of a third embodiment of the present invention;

FIG. 6 is a schematic diagram of the internal structure of a fourth filtering tank according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a fourth embodiment of a connecting frame;

Wherein, 1, a conveying tank; 2. a feed pipe; 3. a first pipe; 4. a treatment tank; 5. a first filter screen; 6. a second filter screen; 7. a stirring shaft; 8. a collection tank; 9. a second pipe; 10. a support rod; 11. a support block; 12. a central shaft; 13. a cleaning roller; 14. a cleaning plate; 15. a support ring; 16. a chute; 17. a slide block; 18. a first gear; 19. a toothed plate; 20. a first motor; 21. a material conveying disc; 22. a storage box; 23. a second motor; 24. a communicating block; 25. a third conduit; 26. a second gear; 27. a third gear; 28. a material conveying hole; 29. a material conveying channel; 30. a transmission shaft; 31. a filter tank; 32. a first connecting rod; 33. a first limiting plate; 34. a support frame; 35. a rotating shaft; 36. a cam; 37. a third motor; 38. a first spring; 39. a filter hole; 40. a filtering round hole; 41. cleaning the bulge; 42. an oil collecting tank; 43. oil collecting holes; 44. a third filter screen; 45. a support plate; 46. a second connecting rod; 47. a second limiting plate; 48. a second spring; 49. a main body bracket; 50. a supporting plate; 51. a through hole; 52. a filter tube; 53. a strip-shaped plate; 54. a third spring; 55. a screw rod; 56. a scraper; 57. a connecting frame; 58. a top block; 59. extruding the blocks.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Embodiment one:

referring to fig. 1 to 3, the invention provides a kitchen waste biogas slurry treatment device, which comprises:

The conveying tank 1, one side of the conveying tank 1 is fixedly connected with a feeding pipe 2;

the filter assembly comprises a first filter screen 5, a second filter screen 6 and a first cleaning piece, wherein the first filter screen 5 and the second filter screen 6 are respectively and fixedly connected in the conveying tank 1, the first filter screen 5 and the second filter screen 6 are respectively used for filtering impurities and floating oil, and the first cleaning piece is arranged in the conveying tank 1 and used for cleaning the first filter screen 5 and the second filter screen 6;

the treatment assembly comprises a treatment tank 4, a stirring shaft 7 and a material conveying part, wherein the other side of the conveying tank 1 is communicated with the treatment tank 4 through a first pipeline 3, the stirring shaft 7 is rotationally connected in the treatment tank 4, and the material conveying part is arranged on the stirring shaft 7 and is used for conveying flocculant;

The collection assembly comprises a collection tank 8 and a recovery piece, wherein the collection tank 8 is communicated with the treatment tank 4 through a second pipeline 9, and the recovery piece is arranged in the collection tank 8 and used for filtering and recovering biogas slurry.

Further optimizing scheme, first clearance piece includes that one end rotates the bracing piece 10 of connecting at the inside top of transport jar 1, the bracing piece 10 other end runs through first filter screen 5 and second filter screen 6 middle part rotation connection, fixedly connected with supporting shoe 11 on the bracing piece 10, supporting shoe 11 is located between first filter screen 5 and the second filter screen 6, the supporting shoe 11 top rotates and is connected with center pin 12, fixedly connected with clearance roller 13 on the center pin 12, clearance roller 13 and the contact of first filter screen 5 bottom, bracing piece 10 and the equal fixedly connected with clearance board 14 of supporting shoe 11 bottom, two clearance boards 14 respectively with first filter screen 5 and the top sliding contact of second filter screen 6, be provided with the rotation piece on the transport jar 1 inside wall, center pin 12 is connected with the rotation piece, transport jar 1 top fixedly connected with first motor 20, transport jar 1 and the output shaft fixedly connected of first motor 20 are stretched out to bracing piece 10 one end.

In one embodiment of the invention, referring to fig. 1, a supporting rod 10 is controlled to rotate by a first motor 20, a liquid inlet of a feeding pipe 2 is positioned above a first filter screen 5, a filter material is filtered by the first filter screen 5, floating oil is filtered by a second filter screen 6, the supporting rod 10 is controlled to rotate by the first motor 20, a cleaning roller 13 and two cleaning plates 14 are driven to synchronously rotate around the supporting rod 10 by the rotation of the supporting rod 10, the cleaning roller 13 and the cleaning plates 14 above realize the cleaning of the filter material on the first filter screen 5, and the cleaning plates 14 below realize the cleaning of the floating oil on the second filter screen 6, so that the integral filtering efficiency is ensured.

Further optimizing scheme, the rotating piece includes fixed connection on the support ring 15 on the inner wall of transport tank 1, has offered spout 16 on the support ring 15, and sliding connection has slider 17 in spout 16, and center pin 12 one end is connected with slider 17, fixedly connected with first gear 18 on the center pin 12, fixedly connected with pinion rack 19 on the support ring 15, first gear 18 and pinion rack 19 meshing.

In one embodiment of the present invention, referring to fig. 2, the sliding block 17 slides in the sliding groove 16, so as to realize the circular motion of the cleaning roller 13 around the supporting rod 10, and simultaneously, through the engagement of the first gear 18 and the toothed plate 19, when the cleaning roller 13 moves circularly around the supporting rod 10, the first gear 18 rotates on the toothed plate 19, so that the self-transmission of the cleaning roller 13 is realized, the cleaning of the first filter screen 5 is further realized, and the blocking of the first filter screen 5 is avoided.

Further optimizing scheme, the material conveying piece includes material conveying disc 21, material conveying disc 21 fixed connection is on (mixing) shaft 7, and material conveying channel 29 has all been seted up in material conveying disc 21 and the (mixing) shaft 7, treatment tank 4 top fixedly connected with bin 22 and second motor 23, treatment tank 4 rotation is connected with communicating block 24 is stretched out on (mixing) shaft 7 top, communicating block 24 communicates with bin 22 through third pipeline 25, fixedly connected with second gear 26 on the (mixing) shaft 7, fixedly connected with third gear 27 through transmission shaft 30 on the output shaft of second motor 23, second gear 26 meshes with third gear 27, a plurality of material conveying holes 28 have been seted up to material conveying disc 21 bottom, material conveying hole 28 communicates with material conveying channel 29.

In one embodiment of the invention, referring to fig. 1 and 3, the material conveying disc 21 is of an annular structure and is connected with the stirring shaft 7 through a plurality of transverse plates, material conveying channels 29 are arranged in the annular structure, the transverse plates and the stirring shaft 7, the material conveying disc 21 is positioned above biogas slurry, and when the material conveying disc is used for processing, flocculant in the material storage box 22 is sprayed onto the biogas slurry through the material conveying channels 29 through the material conveying holes 28, meanwhile, the second motor 23 drives the third gear 27 to rotate, and the meshed second gear 26 is driven to rotate when the third gear 27 rotates, so that the stirring shaft 7 is driven to stir, and the flocculant is uniformly sprayed onto the biogas slurry during stirring, so that the overall processing efficiency is further improved.

Further optimizing scheme, the recovery piece includes filter vat 31, the equal fixedly connected with head rod 32's in filter vat 31 both ends one end, head rod 32 other end stretches out collection tank 8 fixedly connected with first limiting plate 33, fixedly connected with support frame 34 on the collection tank 8 lateral wall, rotationally be connected with axis of rotation 35 on the support frame 34, fixedly connected with cam 36 on the axis of rotation 35, cam 36 and one of them first limiting plate 33 contact, fixedly connected with third motor 37 on the support frame 34, axis of rotation 35 one end and the output shaft fixed connection of third motor 37.

In one embodiment of the present invention, referring to fig. 1, the filtering tank 31 is located below the liquid inlet end of the second pipe 9, the biogas slurry reacted with the flocculant is conveyed into the filtering tank 31, and is filtered by the filtering tank 31, the third motor 37 drives the rotation shaft 35 to rotate during filtering, the rotation shaft 35 drives the cam 36 to rotate during rotation, and the long end and the short end of the cam 36 are respectively in intermittent contact with the first limiting plate 33, so that the filtering tank 31 repeatedly and laterally moves in the collecting tank 8, and the filtering efficiency of the filtering tank 31 is further improved.

In a further optimized scheme, a first spring 38 is sleeved on the first connecting rod 32, and two ends of the first spring 38 are fixedly connected with the inner wall side of the collecting tank 8 and the outer side wall of the filtering tank 31 respectively.

In one embodiment of the present invention, referring to fig. 1, both ends of the first spring 38 are connected to the collection tank 8 and the filter tank 31, respectively, and the return of the filter tank 31 is ensured by the first spring 38 provided, so that the first limiting plate 33 is stably contacted with the cam 36.

Further optimizing scheme, a plurality of filter holes 39 are formed in the bottom end of the filter tank 31, and the filter tank 31 is obliquely arranged in the collecting tank 8.

In one embodiment of the present invention, referring to fig. 1, the filter tank 31 is used for the biogas slurry after being treated, and the filter tank 31 is arranged obliquely to further ensure the overall filtering efficiency.

Specifically, a liquid outlet (not shown in the figure) is formed at the bottom end of the inside of the collection tank 8, and is used for discharging the filtered biogas slurry.

Further optimizing scheme, first filter screen 5 and second filter screen 6 are round platform shape structure, and have seted up a plurality of filtration round holes 40 on first filter screen 5 and the second filter screen 6.

In one embodiment of the present invention, referring to fig. 1, the first filter screen 5 and the second filter screen 6 are both in a truncated cone structure, and the inclined surfaces thereof facilitate the collection of the filtered materials to the lowest point.

Specifically, a door leaf (not shown in the figure) can be hinged on the outer side wall of the conveying tank 1, and the filtering objects on the first filter screen 5 and the filtering floating oil on the second filter screen 6 can be cleaned by opening the hinged door leaf.

Further optimizing scheme, a plurality of cleaning bulges 41 are fixedly connected to the cleaning roller 13, and the cleaning bulges 41 are matched with the filtering round holes 40 on the first filter screen 5.

In one embodiment of the present invention, referring to fig. 2, the cleaning protrusions 41 are adapted to the filtering holes 40 on the first filter screen 5, when the cleaning roller 13 rotates, the cleaning protrusions 41 extend into the corresponding filtering holes 40 along the rotation direction, so that the filtered objects blocked in the filtering holes 40 are ejected out of the filtering holes 40, the cleaning of the filtering holes 40 is achieved, meanwhile, the cleaning of the filtered objects on the first filter screen 5 is achieved by matching with the cleaning plate 14 above the first filter screen 5, the blocking of the first filter screen 5 is avoided, and the overall filtering efficiency is ensured.

In a further optimized scheme, the second filter screen 6 is a super-oleophobic filter screen film.

In one embodiment of the present invention, referring to fig. 1, the second filter screen 6 is preferably a super-oleophobic filter screen membrane, and the filter and the blocking of the floating oil are performed by the set super-oleophobic filter screen membrane, so that convenient filtering and separation of the floating oil are realized.

Embodiment two:

Referring to fig. 4, the difference between the present embodiment and the first embodiment is that the outer side wall of the conveying tank 1 is provided with an oil collecting tank 42, a plurality of oil collecting holes 43 are provided on the conveying tank 1 at equal intervals along the circumferential direction, the oil collecting tank 42 is correspondingly communicated with the second filter screen 6 through the oil collecting holes 43, one end of the oil collecting hole 43, which is close to the second filter screen 6, is fixedly connected with a third filter screen 44, and the third filter screen 44 is a super-oleophilic/super-hydrophobic filter screen film.

In this embodiment, because the second filter screen 6 is a super-oleophobic filter screen, when the oil slick is filtered, the oil slick is blocked and filtered onto the second filter screen 6 through the second filter screen 6, meanwhile, the oil slick flows through the inclined plane, scraping of the filtered oil slick is further realized through the cleaning plate 14, the filtered oil slick flows to the lowest point to be in contact with the third filter screen 44 at the oil collecting hole 43, and due to the super-oleophilic/super-hydrophobic characteristic of the third filter screen 44, the oil slick flows into the oil collecting hole 43 through the third filter screen 44 and is collected into the oil collecting tank 42, so as to realize oil-water separation.

Specifically, when the biogas liquid level is between the first filter screen 5 and the second filter screen 6, the third filter screen 44 also blocks the biogas liquid level, so that the floating oil is ensured to be collected into the oil collecting tank 42, and the water cannot pass through.

Embodiment III:

Referring to fig. 5, the difference between the present embodiment and the first embodiment is that a supporting plate 45 is fixedly connected to one side wall of the collecting tank 8, a second connecting rod 46 is vertically slidably connected to the supporting plate 45, the first connecting rod 32 near the second connecting rod 46 penetrates through the second connecting rod 46 and is slidably connected to the second connecting rod 46, one end of a first spring 38 on the first connecting rod 32 is fixedly connected to the corresponding first limiting plate 33, the other end of the first spring is in contact with the side wall of the second connecting rod 46, a second limiting plate 47 is fixedly connected to the top end of the second connecting rod 46, one end of a rotating shaft 35 on the supporting frame 34 extends into the collecting tank 8, and the cam 36 is located in the collecting tank 8 and is in contact with the top end of the second limiting plate 47.

In a further optimized scheme, a second spring 48 is sleeved on the second connecting rod 46, and two ends of the second spring 48 are fixedly connected with the bottom end of the second limiting plate 47 and the top end of the supporting plate 45 respectively.

In this embodiment, the cam 36 is driven to rotate by the third motor 37, the cam 36 drives the contacted second limiting plate 47 to move vertically, under the action of the second spring 48, the second connecting rod 46 performs vertical repeated vibration, meanwhile, under the action of the first spring 38, the first connecting rod 32 laterally and repeatedly vibrates on the second connecting rod 46, and the connected filter tank 31 is driven to perform lateral and vertical comprehensive vibration by the vibration of the first connecting rod 32 and the second connecting rod 46, so that the filtering efficiency of the filter tank 31 is further improved, filtered flocculates are not stacked at one point of the filter tank 31, and the filter tank 31 is prevented from being blocked due to stacking.

Further optimizing scheme, when filter tank 31 carries out horizontal and vertical vibration, the one end that first head rod 32 kept away from first limiting plate 33 is articulated with filter tank 31 outer wall.

Embodiment four:

referring to fig. 6 to 7, the present embodiment is different from the third embodiment in that a second cleaning member is further provided on the filter tank 31.

The second cleaning piece includes fixed connection at the main part support 49 of filter vat 31 bottom, fixedly connected with layer board 50 on the main part support 49, offered a plurality of through-holes 51 on the layer board 50, a plurality of through-holes 51 and a plurality of filtration pore 39 one-to-one, sliding connection has filter tube 52 in the through-hole 51, and filter tube 52 top stretches into in the filtration pore 39, filter tube 52 bottom stretches out through-hole fixedly connected with strip board 53, and the cover is equipped with third spring 54 on the filter tube 52, and third spring 54 both ends respectively with strip board 53 and layer board 50 fixed connection.

In a further optimized scheme, a scraping plate 56 is connected in the filter tank 31 through a screw 55, and the bottom end of the scraping plate 56 is in sliding contact with the bottom end in the filter tank 31 and the top end of the filter pipe 52.

Further optimizing scheme, the one end of link 57 is fixedly connected with respectively at scraper blade 56 both ends, and the other end of link 57 stretches out the filter tank 31 external fixation and is connected with kicking block 58, fixedly connected with extrusion piece 59 on the strip shaped plate 53, kicking block 58 and extrusion piece 59 looks adaptation.

In a further optimized scheme, the through holes 51 and the filtering holes 39 are distributed in an array shape, the strip-shaped plates 53 in the same row are fixedly connected, and the strip-shaped plates 53 on two sides are provided with corresponding extrusion blocks 59 which are in one-to-one correspondence with two top blocks 58 on two connecting frames 57.

In the embodiment of the invention, the following steps are included:

The filter tube 52 is configured such that in an initial state, the top end of the filter tube 52 extends into the filter tank 31 under the action of the third spring 54, i.e., the top end is higher than the filter hole 39, and the scraper 56 is located at one side of the filter tank 31;

When the scraper 56 moves in the filter tank 31 under the control of the screw 55, along with the movement of the scraper 56, the top blocks 58 connected to the scraper 56 are in contact with the corresponding extrusion blocks 59, and the top blocks 58 downwardly extrude the corresponding extrusion blocks 59, so that the corresponding filter pipes 52 are downwardly moved and accommodated in the filter holes 39, that is, the top ends of the filter pipes 52 are leveled with the bottom ends in the filter tank 31, and then the scraper 56 scrapes off the filtered matters on the filter pipes 52 from the top ends of the filter pipes, thereby cleaning the filter pipes 52.

In the embodiment of the invention, the top end and the side wall of the filter tube 52 are both of filter screen structures, the top end is cleaned by the scraping plate 56, and when the side wall is recovered downwards into the filter hole 39, the top end of the inner wall of the filter hole 39 scrapes the filter tube 52, so that the filter tube 52 is cleaned, the filter tube is prevented from being blocked, and the integral filtering efficiency is ensured.

Further optimizing scheme, all be provided with the inclined plane on kicking block 58 and the extrusion piece 59 for guarantee that kicking block 58 stably drives extrusion piece 59 and descends, make filter tube 52 reset through third spring 54 after the separation, thereby make filtration pore 39 and filter tube 52 intercommunication, filter the biogas slurry after handling.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. A kitchen garbage natural pond liquid's processing apparatus, its characterized in that includes:

a feeding pipe (2) is fixedly connected to one side of the conveying tank (1);

The filter assembly comprises a first filter screen (5), a second filter screen (6) and a first cleaning piece, wherein the first filter screen (5) and the second filter screen (6) are respectively and fixedly connected in the conveying tank (1), the first filter screen (5) and the second filter screen (6) are respectively used for filtering impurities and oil slivers, and the first cleaning piece is arranged in the conveying tank (1) and is used for cleaning the first filter screen (5) and the second filter screen (6);

The treatment assembly comprises a treatment tank (4), a stirring shaft (7) and a material conveying part, wherein the other side of the conveying tank (1) is communicated with the treatment tank (4) through a first pipeline (3), the stirring shaft (7) is rotationally connected in the treatment tank (4), and the material conveying part is arranged on the stirring shaft (7) and is used for conveying flocculant;

The collecting assembly comprises a collecting tank (8) and a recovery piece, the collecting tank (8) is communicated with the treatment tank (4) through a second pipeline (9), and the recovery piece is arranged in the collecting tank (8) and is used for filtering and recovering biogas slurry;

The first cleaning piece comprises a supporting rod (10) with one end rotatably connected to the top end inside the conveying tank (1), the other end of the supporting rod (10) penetrates through the middle parts of the first filter screen (5) and the second filter screen (6) and is rotatably connected, a supporting block (11) is fixedly connected to the supporting rod (10), the supporting block (11) is located between the first filter screen (5) and the second filter screen (6), a central shaft (12) is rotatably connected to the top end of the supporting block (11), a cleaning roller (13) is fixedly connected to the central shaft (12), the cleaning roller (13) is in contact with the bottom end of the first filter screen (5), cleaning plates (14) are fixedly connected to the bottom ends of the supporting rod (10) and the supporting block (11), the two cleaning plates (14) are respectively in sliding contact with the top ends of the first filter screen (5) and the second filter screen (6), a rotating piece is arranged on the inner side wall of the conveying tank (1), the central shaft (12) is connected with the rotating piece, a motor (1) is fixedly connected to the top end of the conveying tank (20), and the first end (20) is fixedly connected to the conveying tank (20);

The rotary part comprises a supporting ring (15) fixedly connected to the inner wall of the conveying tank (1), a sliding groove (16) is formed in the supporting ring (15), a sliding block (17) is connected in the sliding groove (16) in a sliding mode, one end of a central shaft (12) is connected with the sliding block (17), a first gear (18) is fixedly connected to the central shaft (12), a toothed plate (19) is fixedly connected to the supporting ring (15), and the first gear (18) is meshed with the toothed plate (19);

The material conveying part comprises a material conveying disc (21), the material conveying disc (21) is fixedly connected to the stirring shaft (7), a material conveying channel (29) is formed in each of the material conveying disc (21) and the stirring shaft (7), a material storage box (22) and a second motor (23) are fixedly connected to the top end of the treatment tank (4), a communicating block (24) is rotatably connected to the top end of the stirring shaft (7) and extends out of the treatment tank (4), the communicating block (24) is communicated with the material storage box (22) through a third pipeline (25), a second gear (26) is fixedly connected to the stirring shaft (7), a third gear (27) is fixedly connected to an output shaft of the second motor (23) through a transmission shaft (30), the second gear (26) is meshed with the third gear (27), a plurality of material conveying holes (28) are formed in the bottom end of the material conveying disc (21), and the material conveying holes (28) are communicated with the material conveying channel (29).

The recovery piece comprises a filter tank (31), one end of a first connecting rod (32) is fixedly connected to two ends of the filter tank (31), the other end of the first connecting rod (32) extends out of a first limiting plate (33) fixedly connected with a support frame (34) on the outer side wall of the collection tank (8), a rotating shaft (35) is rotatably connected to the support frame (34), a cam (36) is fixedly connected to the rotating shaft (35), the cam (36) contacts with one of the first limiting plates (33), a third motor (37) is fixedly connected to the support frame (34), and one end of the rotating shaft (35) is fixedly connected with an output shaft of the third motor (37).

2. The kitchen waste biogas slurry treatment device according to claim 1, wherein: the first connecting rod (32) is sleeved with a first spring (38), and two ends of the first spring (38) are fixedly connected with the inner wall side of the collecting tank (8) and the outer side wall of the filtering tank (31) respectively.

3. The kitchen waste biogas slurry treatment device according to claim 2, wherein: a plurality of filtering holes (39) are formed in the bottom end of the filtering tank (31), and the filtering tank (31) is obliquely arranged in the collecting tank (8).

4. The kitchen waste biogas slurry treatment device according to claim 1, wherein: the first filter screen (5) and the second filter screen (6) are of round table-shaped structures, and a plurality of filter round holes (40) are formed in the first filter screen (5) and the second filter screen (6).

5. The kitchen waste biogas slurry treatment device according to claim 4, wherein: a plurality of cleaning bulges (41) are fixedly connected to the cleaning roller (13), and the cleaning bulges (41) are matched with the filtering round holes (40) on the first filter screen (5).

6. The kitchen waste biogas slurry treatment device according to claim 1, wherein: the second filter screen (6) is a super-oleophobic filter screen film.