A separation and filtration device for fermented liquid of pig manure

Abstract

This invention discloses a fermentation liquid separation and filtration device, comprising a frame with multiple casters equipped with brake pads at the bottom; a separation box fixedly connected to the upper side of the frame, with a feed pipe installed on the side wall and a drain port at the bottom; a solid-liquid separation component installed inside the separation box; and a squeezing component installed on the solid-liquid separation component. The solid-liquid separation component includes a conical cylinder connected to the feed pipe, with an adjustable annular screen inside to accommodate different solid-liquid separation requirements. The squeezing component continuously squeezes the fermentation liquid, improving the purity of the liquid separated from the solid. The separated liquid is discharged from the drain port, thus distributing the liquid.

Description

Technical Field

[0001] This invention relates to the field of microbial fermentation technology, specifically to a separation and filtration device for vegetable waste fermentation broth. Background Technology

[0002] Chinese invention patent discloses a method for fermenting liquid fertilizer based on vegetable organic waste (publication number CN117886636B). Vegetable waste fermentation liquid refers to a product containing specific bioactive components (including polysaccharides, oligosaccharides, proteins and peptides, amino acids, and vitamins) produced by fermenting various types of vegetable waste with beneficial microorganisms. Vegetable waste fermentation liquid usually contains a large amount of incompletely decomposed solid residue, fibrous impurities, and particulate matter. If these are not effectively separated and filtered, it will not only affect the purity of the fermentation liquid and its subsequent utilization, but also easily cause blockages in the delivery pipelines, reducing the overall efficiency of the equipment.

[0003] Most existing fermentation broth separation equipment uses only a single screening structure for solid-liquid separation (Announcement No. CN114307373A), which has low separation efficiency. Furthermore, when solid residue accumulates on the surface of the screening components, it easily causes clogging of the screen holes, affecting liquid discharge. At the same time, existing devices typically lack a further squeezing and drainage structure when separating fermentation broth from fermentation residue, resulting in a significant amount of residual fermentation broth in the residue, leading to insufficient liquid recovery and low resource utilization.

[0004] In addition, some existing equipment can only perform simple drainage after separation (Announcement No. CN 219312090 U), making it difficult to further distribute or output the separated fermentation liquid according to actual usage needs. This results in relatively simple equipment functions, making it difficult to meet the requirements for continuous treatment and efficient utilization of vegetable waste fermentation liquid.

[0005] Therefore, it is necessary to provide a separation and filtration device for fermented vegetable waste liquid to solve the problems of poor solid-liquid separation effect, easy clogging of the screening structure, insufficient recovery of residual liquid, and inconvenience of subsequent distribution in the existing technology. Summary of the Invention

[0006] The purpose of this invention is to provide a separation and filtration device for vegetable waste fermentation liquid, so as to solve the problems of low separation efficiency, easy clogging of the screening structure, insufficient liquid recovery from the residue, and inconvenience of subsequent distribution and use of the separated liquid in the solid-liquid separation process of vegetable waste fermentation liquid in the prior art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a vegetable waste fermentation liquid separation and filtration device, comprising a frame, a plurality of casters with brake pads installed at the bottom of the frame, a separation box fixedly connected to the upper side of the frame, a feed pipe installed on the side wall of the separation box, a drain port provided at the bottom of the separation box, a solid-liquid separation component provided inside the separation box, and a squeezing component provided on the solid-liquid separation component; Preferably, a separation cylinder is rotatably connected inside the separation box, and the separation cylinder has multiple separation holes; a first rotating shaft is rotatably connected to both sides of the separation box, and a drive wheel that contacts the outer wall of the separation cylinder is fixedly connected to each of the first rotating shafts.

[0008] Preferably, two symmetrically arranged drive motors are installed on the side of the frame near the separating cylinder, and the output end of the drive motor is connected to the first rotating shaft through a transmission component.

[0009] Preferably, the bottom of the separation box is provided with multiple telescopic rods on both sides of the drain port. The extended end of each telescopic rod is fixedly connected to a drain plate. The bottom of the drain plate is fixedly connected to multiple first springs, and the other end of each first spring is fixedly connected to the inner wall of the separation box.

[0010] Preferably, a distribution box is installed at the bottom of the separation box on the frame, and the distribution box is connected to the drain port through a first pipe; multiple liquid-collecting rollers are rotatably connected inside the distribution box, each liquid-collecting roller has a liquid inlet hole, and both ends of the liquid-collecting rollers penetrate the distribution box; multiple drive units are installed on the side wall of the distribution box, the output end of each drive unit is fixedly connected to one end of the liquid-collecting roller, and the other end of the liquid-collecting roller is connected to a distribution pipe through a rotary joint.

[0011] Preferably, the extrusion assembly includes two first fixing frames, which are respectively fixedly connected to both ends of the separation cylinder, and a plurality of first bearing rods are fixedly connected between the two first fixing frames.

[0012] Preferably, each of the first bearing rods is fixedly connected to a plurality of uniformly and symmetrically arranged first fixing tubes, and a first connecting rod is slidably connected inside the first fixing tube; one end of the first connecting rod passes through the separation cylinder, and a tension spring is fixedly connected to one end of the first connecting rod inside the first fixing tube, and the other end of the tension spring is fixedly connected to the inner wall of the first fixing tube.

[0013] Preferably, a pressing plate for squeezing the residue of the fermented vegetable liquid is slidably connected to the first fixed tube, and a counterweight is fixedly connected to the end of the first connecting rod away from the tension spring, and one side of the counterweight can contact the drain plate.

[0014] Preferably, one end of the counterweight is fixedly connected to a second connecting rod, and the other end of the second connecting rod passes through the separation cylinder and is fixedly connected to the extrusion plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting up a conical cylinder and an annular screen, the present invention can pre-screen and guide the fermentation liquid of fermented vegetables, so that the material is initially filtered before entering the separation structure, reducing the blockage of the subsequent separation structure and improving the stability of equipment operation.

[0016] 2. By setting up a drain plate, a telescopic rod and a first spring, the present invention can effectively receive and guide the separated liquid during the discharge process. The drain plate can generate elastic displacement under the influence of liquid gravity and external forces, which helps to improve the fluidity of the liquid, thereby reducing liquid retention and improving the smoothness of drainage.

[0017] 3. This invention, by setting up an extrusion assembly consisting of a first fixed frame, a first bearing rod, a first fixed pipe, a first connecting rod, a tension spring, an extrusion plate, a counterweight, and a second connecting rod, can periodically extrude the fermentation broth residue during the rotation of the separation cylinder, causing further precipitation of liquid remaining in the solids, thereby improving the liquid recovery rate and reducing resource waste. The counterweight, during the rotation of the separation cylinder, can assist in pushing the drain plate, further promoting the discharge of separated liquid, reducing liquid accumulation inside the equipment, and improving overall operating efficiency. Attached Figure Description

[0018] Figure 1 The diagram shown is a schematic representation of the overall structure of the present invention. Figure 2 The diagram shown is a schematic internal cross-sectional view of the present invention. Figure 3 The diagram shown is a schematic diagram of the solid-liquid separation component of the present invention. Figure 4 The diagram shown is a partial structural schematic of the solid-liquid separation component of the present invention. Figure 5 The diagram shown is a schematic diagram of the drain plate structure of the present invention; Figure 6 The diagram shown is an exploded view of the extrusion assembly of the present invention.

[0019] In the diagram: 1. Frame; 2. Casters; 3. Separation box; 4. Feed pipe; 5. Drain outlet; 6. Conical cylinder; 7. Annular screen; 8. Separation cylinder; 9. Separation hole; 10. First rotating shaft; 11. Drive wheel; 12. Drive motor; 13. Transmission component; 14. Telescopic rod; 15. Drain plate; 16. First spring; 17. Distribution box; 18. First pipe; 19. Liquid collection roller; 20. Drive unit; 21. Distribution pipe; 22. First fixed frame; 23. First bearing rod; 24. First fixed pipe; 25. First connecting rod; 26. Tension spring; 27. Extrusion plate; 28. Counterweight; 29. ​​Second connecting rod. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figures 1-6 This invention provides a vegetable waste fermentation liquid separation and filtration device, including a frame 1, a separation box 3, a solid-liquid separation component and an extrusion component.

[0022] The bottom of the frame 1 is equipped with multiple casters 2 with brake pads. The separation box 3 is fixedly connected to the upper side of the frame 1, the side wall of the separation box 3 is equipped with a feed pipe 4, and the bottom of the separation box 3 is provided with a drain port 5.

[0023] The solid-liquid separation component is installed inside the separation chamber 3 for solid-liquid separation of the vegetable waste fermentation liquid. The extrusion component is installed on the solid-liquid separation component for extruding and draining the vegetable waste residue after solid-liquid separation. The solid-liquid separation component includes a conical cylinder 6 connected to the feed pipe 4, and an annular screen 7 is installed inside the conical cylinder 6. After the vegetable waste fermentation liquid enters the conical cylinder 6 through the feed pipe 4, it is guided by the conical cylinder 6 and initially screened by the annular screen 7 before entering the separation chamber 3.

[0024] Furthermore, a separation cylinder 8 is rotatably connected inside the separation box 3, and the separation cylinder 8 has multiple separation holes 9. First rotating shafts 10 are rotatably connected to both sides of the separation box 3, and drive wheels 11 that contact the outer wall of the separation cylinder 8 are fixedly connected to each of the first rotating shafts 10. Two symmetrically arranged drive motors 12 are installed on the side of the frame 1 closest to the separation cylinder 8, and the output ends of the drive motors 12 are connected to the first rotating shafts 10 via transmission components 13.

[0025] Furthermore, a plurality of telescopic rods 14 are provided at the bottom of the separation box 3 on both sides of the drain port 5. The extended end of the telescopic rod 14 is fixedly connected to a drain plate 15. A plurality of first springs 16 are fixedly connected to the bottom of the drain plate 15. The other end of the first spring 16 is fixedly connected to the inner wall of the separation box 3.

[0026] Furthermore, a distribution box 17 is installed at the bottom of the separation box 3 on the frame 1, and the distribution box 17 is connected to the drain port 5 through a first pipe 18. Multiple liquid-collecting rollers 19 are rotatably connected inside the distribution box 17. Each liquid-collecting roller 19 has a liquid inlet hole, and both ends of the liquid-collecting roller 19 penetrate the distribution box 17. Multiple drive units 20 are installed on the side wall of the distribution box 17. The output end of each drive unit 20 is fixedly connected to one end of the liquid-collecting roller 19, and the other end of the liquid-collecting roller 19 is connected to a distribution pipe 21 via a rotary joint.

[0027] In use, the fermented vegetable residue enters the conical cylinder 6 through the feed pipe 4. After preliminary screening by the conical cylinder 6 and the annular screen 7, it enters the separation cylinder 8. The drive motor 12 operates, driving the first rotating shaft 10 to rotate through the transmission component 13. The first rotating shaft 10 drives the drive wheel 11 to rotate, thereby driving the separation cylinder 8 to rotate within the separation chamber 3. The fermented material entering the separation cylinder 8 is agitated during the rotation of the separation cylinder 8. The liquid portion is discharged through the separation hole 9, while the solid residue is retained inside the separation cylinder 8.

[0028] The liquid discharged from the separation hole 9 falls onto the drain plate 15 and flows along the drain plate 15 to the drain port 5. After the liquid enters the distribution box 17 through the drain port 5 and the first pipe 18, the liquid taking roller 19 rotates under the drive of the drive unit 20. The liquid enters the liquid taking roller 19 through the liquid inlet hole and is transported to the subsequent station through the distribution pipe 21.

[0029] Furthermore, the extrusion assembly includes two first fixing frames 22, which are respectively fixedly connected to both ends of the separation cylinder 8, and a plurality of first bearing rods 23 are fixedly connected between the two first fixing frames 22.

[0030] Furthermore, multiple first fixing tubes 24 are fixedly connected to each of the first supporting rods 23, and a first connecting rod 25 is slidably connected inside each first fixing tube 24. One end of the first connecting rod 25 passes through the separating cylinder 8, and a tension spring 26 is fixedly connected to the end of the first connecting rod 25 located inside the first fixing tube 24. The other end of the tension spring 26 is fixedly connected to the inner wall of the first fixing tube 24. A pressing plate 27 is slidably connected to the first fixing tube 24, and a counterweight 28 is fixedly connected to the end of the first connecting rod 25 away from the tension spring 26. A second connecting rod 29 is fixedly connected to one end of the counterweight 28, and the other end of the second connecting rod 29 passes through the separating cylinder 8 and is fixedly connected to the pressing plate 27. The counterweight 28 can abut against the drain plate 15 when it rotates with the separating cylinder 8 to a predetermined position.

[0031] In operation, the separating cylinder 8 rotates at a low speed, causing the first fixed frame 22, the first fixed tube 24, and the counterweight 28 to rotate synchronously. When the counterweight 28 reaches the bottom position, under the action of gravity, the first connecting rod 25 extends relative to the first fixed tube 24 and stretches the tension spring 26. The first connecting rod 25, through the second connecting rod 29, drives the extrusion plate 27 to move inward toward the separating cylinder 8, thereby extruding the material and causing the liquid to separate. When the counterweight 28 comes into contact with the drain plate 15, it applies a force to the drain plate 15. When the counterweight 28 reaches the upper position, the tension spring 26 pulls back the first connecting rod 25 and the extrusion plate 27 to their original positions, completing one extrusion cycle. As the separating cylinder 8 continues to rotate, the extrusion plate 27 can periodically extrude the vegetable residue.

[0032] In some embodiments, the transmission component 13 may be a gear drive, chain drive or belt drive structure; the drive unit 20 may be a motor; and a pump body may also be connected to the distribution pipe 21 to transport liquid.

[0033] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A vegetable waste fermentation liquid separation and filtration device, comprising a frame (1), characterized in that: The bottom of the frame (1) is provided with multiple casters (2) with brake pads. The upper part of the frame (1) is fixedly installed with a separation box (3). The side wall of the separation box (3) is fixedly connected with a feed pipe (4). The bottom of the separation box (3) is provided with a drain port (5). The interior of the separation box (3) is provided with a solid-liquid separation component. The solid-liquid separation component is provided with a squeezing component. The solid-liquid separation assembly includes a conical cylinder (6), which is fixedly connected to the feed pipe (4), and an annular screen (7) is installed inside the conical cylinder (6).

2. The vegetable waste fermentation liquid separation and filtration device according to claim 1, characterized in that: The separation box (3) is provided with a separation cylinder (8), and the separation cylinder (8) has multiple separation holes (9). Both sides of the separation box (3) are rotatably connected to a first rotating shaft (10), and a drive wheel (11) that contacts the outer wall of the separation cylinder (8) is fixedly connected to the first rotating shaft (10).

3. The vegetable waste fermentation liquid separation and filtration device according to claim 2, characterized in that: Two symmetrically arranged drive motors (12) are installed on the side of the frame (1) near the separation cylinder (8). The output end of the drive motor (12) is connected to the first rotating shaft (10) through a transmission component (13).

4. The vegetable waste fermentation liquid separation and filtration device according to claim 2, characterized in that: The bottom of the separation box (3) is provided with multiple telescopic rods (14) on both sides of the drain port (5); the extended end of the telescopic rod (14) is fixedly connected to a drain plate (15), and the bottom of the drain plate (15) is fixedly connected to multiple first springs (16), the other end of the first springs (16) is fixedly connected to the inner wall of the separation box (3).

5. The vegetable waste fermentation liquid separation and filtration device according to claim 4, characterized in that: The frame (1) is located at the bottom of the separation box (3) and a distribution box (17) is provided; the distribution box (17) is connected to the drain port (5) through a first pipe (18); a plurality of liquid taking rollers (19) are rotatably connected inside the distribution box (17), the liquid taking rollers (19) are provided with liquid inlet holes, and both ends of the liquid taking rollers (19) penetrate the distribution box (17); a plurality of drive units (20) are installed on the side wall of the distribution box (17), the output end of the drive unit (20) is fixedly connected to one end of the liquid taking roller (19), and the other end of the liquid taking roller (19) is connected to a distribution pipe (21) through a rotary joint.

6. The vegetable waste fermentation liquid separation and filtration device according to claim 2, characterized in that: The extrusion assembly includes two first fixing frames (22), which are respectively fixedly connected to both ends of the separation cylinder (8); a plurality of first bearing rods (23) are fixedly connected between the two first fixing frames (22).

7. The vegetable waste fermentation liquid separation and filtration device according to claim 6, characterized in that: Multiple uniformly and symmetrically arranged first fixing tubes (24) are fixedly connected to the first bearing rod (23). A first connecting rod (25) is slidably connected inside the first fixing tube (24). One end of the first connecting rod (25) passes through the separation cylinder (8). A tension spring (26) is fixedly connected to one end of the first connecting rod (25) inside the first fixing tube (24). The other end of the tension spring (26) is fixedly connected to the inner wall of the first fixing tube (24).

8. The vegetable waste fermentation liquid separation and filtration device according to claim 7, characterized in that: The first fixed tube (24) is slidably connected to a pressing plate (27) for pressing the fermentation liquid residue; the first connecting rod (25) is fixedly connected to a counterweight (28) at one end away from the tension spring (26), and one side of the counterweight (28) can contact the drain plate (15).

9. The vegetable waste fermentation liquid separation and filtration device according to claim 8, characterized in that: One end of the counterweight (28) is fixedly connected to a second connecting rod (29), and the other end of the second connecting rod (29) passes through the separation cylinder (8) and is fixedly connected to the extrusion plate (27).

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