Screening treatment device for biomass fertilizer

By combining the irregular cone structure and the dispersed feeding mechanism, the problem of local blockage in the biomass fertilizer screening device is solved, and a more efficient screening effect is achieved.

CN224101209UActive Publication Date: 2026-04-10SHANDONG KAIDA SHENGXIANG AGRICULTURAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing biomass fertilizer screening and processing devices have strong limitations in the material feeding area, leading to local clogging of the screening plates and affecting the overall screening rate.

Method used

The feeding hopper adopts an irregular cone structure and is combined with a dispersing feeding mechanism. The hopper is driven by a drive motor and transmission gears to disperse the material in a circumferential manner. At the same time, the vibrating screening mechanism and auxiliary discharge mechanism are used to ensure that the biomass fertilizer is evenly distributed on the screening plate and avoid local accumulation.

Benefits of technology

It achieves uniform distribution of biomass fertilizer, improves screening efficiency, avoids material blockage, and enhances the overall screening capacity of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of biomass fertilizers, in particular to a screening treatment device for biomass fertilizers, which comprises a support base, a screening cylinder and a feed hopper, the screening cylinder is fixedly mounted above the support base, the feed hopper is fixedly mounted on the outer wall of the top end of the screening cylinder, and the feed hopper is communicated with the internal space of the screening cylinder. According to the screening treatment device for the biomass fertilizer, the discharging hopper of a special-shaped conical cylinder structure is arranged for guiding discharging of the biomass fertilizer, the discharging hopper is driven to rotate through transmission of the mechanism assembly, and the effect of circumferential dispersed discharging of the biomass fertilizer is achieved; and it is ensured that the biomass fertilizer can be evenly distributed above the screening plate in the screening process instead of being continuously discharged in a specific plate surface area, the phenomenon that the overall screening efficiency of the device is reduced due to the fact that materials are stacked in a local area is avoided, the overall screening capacity of the device is enhanced, and the material blocking phenomenon is not likely to happen.
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Description

TECHNICAL FIELD

[0001] The utility model relates to biological fertilizer technical field especially, it is a kind of screening treatment device for biological fertilizer. BACKGROUND

[0002] Biological fertilizer is natural organic fertilizer made by carbonization treatment with agricultural waste, forestry residue or organic industrial waste, and the raw materials are easy to mix with stones, plastics, metal fragments and other impurities, and the screening treatment device is a device for targeted treatment of impurities in biological fertilizer.

[0003] The existing biological fertilizer screening treatment device generally carries out discharging screening for biological fertilizer in fixed area, and due to the limitation of discharging area, the phenomenon of local screening plate clogging is easy to occur, which affects the fertilizer screening rate, and the overall screening rate needs to be strengthened.

[0004] Therefore, in view of the problem that the overall screening rate of the above-mentioned biological fertilizer screening treatment device needs to be strengthened, the utility model sets a discharging hopper with a special-shaped cone cylinder structure to guide the discharging of biological fertilizer, and drives the discharging hopper to rotate through a mechanism assembly, realizes the effect of circumferential dispersion of biological fertilizer, and ensures that biological fertilizer can be uniformly distributed above the screening plate during screening, instead of continuously discharging in a specified plate area, to avoid the phenomenon of material accumulation in local area and the decline of overall screening efficiency of the device. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the overall screening rate of a common screening treatment device for biological fertilizer needs to be strengthened.

[0006] The technical scheme of the utility model is as follows: a screening treatment device for biological fertilizer, comprising a supporting base, a screening cylinder and a feeding hopper, the screening cylinder is fixedly installed above the supporting base, the top end outer wall of the screening cylinder is fixedly installed with the feeding hopper, and the feeding hopper is communicated with the internal space of the screening cylinder.

[0007] A dispersion discharging mechanism is arranged in the upper part of the cylinder body of the screening cylinder, a vibrating screening mechanism is arranged in the lower part of the cylinder body of the screening cylinder, and an auxiliary discharging mechanism is arranged below the vibrating screening mechanism.

[0008] As preferred, the dispersion feeding mechanism comprises a positioning support base, an auxiliary mounting frame, a driving motor, a driving gear, a driven gear ring, a feeding hopper, an auxiliary support and a support groove, the positioning support base is fixedly installed above the support base, an auxiliary mounting frame is fixedly installed on the top outer wall of the positioning support base, the auxiliary mounting frame is arranged in a "Z" shape structure, a driving motor is fixedly installed on the top outer wall of the auxiliary mounting frame, the output end of the driving motor is connected with the top outer wall of the driving gear through the auxiliary mounting frame, the driving gear is rotatably installed above the positioning support base, a driven gear ring is engagedly installed on the side edge of the driving gear, a feeding hopper is fixedly installed on the inner wall of the ring body of the driven gear ring, an auxiliary support is fixedly installed on the top outer wall of the driven gear ring, the longitudinal section of the auxiliary support is in an inverted "L" shape structure, and a support groove is arranged on the top inner wall of the screening cylinder corresponding to the auxiliary support.

[0009] As preferred, the feeding hopper is in a special-shaped conical structure, and the center position of the upper end face of the feeding hopper is offset from the center position of the lower end face, the outer diameter of the auxiliary support is greater than the bottom diameter of the feeding hopper.

[0010] As preferred, the vibrating screening mechanism comprises a ring-shaped baffle, a screening plate, a limiting T-shaped block, a limiting T-shaped groove and a return spring, the ring-shaped baffle is slidably installed in the screening cylinder, the screening plate is fixedly installed on the side inner wall of the ring-shaped baffle at the middle position, the screening plate is arranged in a perforated mesh plate structure, the limiting T-shaped blocks are symmetrically arranged on the side outer wall of the ring-shaped baffle at the position of the screening plate, two groups of limiting T-shaped grooves are arranged on the two side inner walls of the screening cylinder corresponding to the sliding installation of the limiting T-shaped blocks, and the return spring is connected and installed between the top outer wall of the limiting T-shaped block and the groove top inner wall of the limiting T-shaped groove.

[0011] As preferred, the top outer wall of the support base is fixedly installed with an auxiliary support base, the top outer wall of the auxiliary support base is fixedly installed with a control motor, one end of the transmission shaft is connected with the output end of the control motor, the other end of the transmission shaft penetrates through one side outer wall of the screening cylinder and is rotatably installed with the other side inner wall of the screening cylinder, the transmission shaft is symmetrically fixedly installed with cams inside the screening cylinder, and the two groups of cams are located below the screening plate.

[0012] As preferred, the side outer wall of the ring-shaped baffle is fitted with the side inner wall of the screening cylinder, and the height of the ring-shaped baffle is greater than twice the groove height of the limiting T-shaped groove.

[0013] As preferred, the auxiliary discharging mechanism comprises a guide seat and a side plate, the bottom inner wall of the screening cylinder is fixedly installed with the guide seat, the upper end face of the guide seat is in an inclined structure, the extension part of the guide seat is located outside the screening cylinder, and the top outer wall of the guide seat at the extension part position is symmetrically fixedly installed with the side plate.

[0014] The beneficial effects of this utility model are:

[0015] 1. When in use, this screening and processing device for biomass fertilizer guides the biomass fertilizer to be fed through a feed hopper with an irregularly shaped conical structure. The feed hopper is driven to rotate by the mechanical components, which achieves a circumferentially dispersed feeding effect for the biomass fertilizer. This ensures that the biomass fertilizer is evenly distributed above the screening plate during the screening process, rather than being continuously fed to a certain plate area. This avoids the phenomenon of material accumulation in a local area, which would cause a decrease in the overall screening efficiency of the device. It enhances the overall screening capacity of the device and is less prone to material blockage.

[0016] 2. When in use, this screening and processing device for biomass fertilizer uses an annular baffle to limit and support the screening plate. The height of the annular baffle and the height of the limiting T-shaped groove are precisely limited, so that the annular baffle will achieve a sealing and blocking effect on the limiting T-shaped groove no matter how it moves up and down. This ensures that the space of the limiting T-shaped groove is sealed and prevents biomass fertilizer from accidentally falling into the limiting T-shaped groove and causing jamming. Thus, while ensuring the stable and continuous up and down displacement of the screening plate, the screening rate is further guaranteed. Attached Figure Description

[0017] Figure 1 The diagram shown is a three-dimensional structural schematic of the present invention.

[0018] Figure 2 The diagram shown is a three-dimensional structural illustration of the positioning support and auxiliary support of this utility model.

[0019] Figure 3 The diagram shown is a three-dimensional structural diagram of the hopper installation of this utility model;

[0020] Figure 4 The diagram shown is a three-dimensional structural diagram of the auxiliary support component and support groove of this utility model.

[0021] Figure 5 The diagram shown is a three-dimensional structural schematic of the sieve plate and cam installation of this utility model.

[0022] Figure 6 The diagram shown is a three-dimensional structural diagram of the sieve cylinder and annular baffle of this utility model.

[0023] Figure 7 This utility model is shown. Figure 6 Enlarged 3D structural diagram at point A

[0024] Figure 8 The diagram shown is a three-dimensional structural diagram of the guide seat and side plate installation of this utility model.

[0025] Explanation of reference signs: 1, support base; 2, screening cylinder; 3, feed hopper; 4, dispersing and discharging mechanism; 401, positioning support seat; 402, auxiliary mounting bracket; 403, driving motor; 404, driving gear; 405, driven gear ring; 406, discharge hopper; 407, auxiliary support; 408, support groove; 5, vibrating screening mechanism; 501, annular baffle; 502, screening plate; 503, limiting T-shaped block; 504, limiting T-shaped groove; 505, return spring; 506, auxiliary support seat; 507, control motor; 508, transmission shaft; 509, cam; 6, auxiliary discharging mechanism; 601, guide seat; 602, side plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-8 The utility model provides a kind of technical scheme: a kind of screening treatment device for biomass fertilizer, including support base 1, screening cylinder 2 and feed hopper 3, screening cylinder 2 is fixedly installed in the top of support base 1, the top end outer wall of screening cylinder 2 is fixedly installed with feed hopper 3, and feed hopper 3 is communicated with the internal space of screening cylinder 2;

[0028] The upper part of screening cylinder 2 is provided with dispersing and discharging mechanism 4 in cylinder body, the lower part of screening cylinder 2 is provided with vibrating screening mechanism 5 in cylinder body, and auxiliary discharging mechanism 6 is arranged below vibrating screening mechanism 5.

[0029] The dispersion discharging mechanism 4 comprises a positioning support seat 401, an auxiliary mounting frame 402, a driving motor 403, a driving gear 404, a driven gear ring 405, a discharging hopper 406, an auxiliary support 407 and a support groove 408. The positioning support seat 401 is fixedly installed above the support base 1. The top outer wall of the positioning support seat 401 is fixedly installed with the auxiliary mounting frame 402. The auxiliary mounting frame 402 is arranged in a “Z” shape. The top outer wall of the auxiliary mounting frame 402 is fixedly installed with the driving motor 403. The output end of the driving motor 403 penetrates through the auxiliary mounting frame 402 and is connected with the top outer wall of the driving gear 404. The driving gear 404 is rotatably installed above the positioning support seat 401. The side edge of the driving gear 404 is rotatably installed with the driven gear ring 405. The inner wall of the ring body of the driven gear ring 405 is fixedly installed with the discharging hopper 406. The top outer wall of the driven gear ring 405 is fixedly installed with the auxiliary support 407. The longitudinal section of the auxiliary support 407 is in an inverted “L” shape. The top inner wall of the screening cylinder 2 is correspondingly provided with the support groove 408 for rotatably installing the auxiliary support 407. The discharging hopper 406 is in a special-shaped conical cylinder structure. The center positions of the upper end face and the lower end face of the discharging hopper 406 are offset. The outer diameter of the auxiliary support 407 is greater than the bottom diameter of the feeding hopper 3.

[0030] The specific shape of the auxiliary support 407 is described here. On the basis of ensuring stable connection with the driven gear ring 405, a rotation support point is provided for stable rotation of the driven gear ring 405. The shape of the discharging hopper 406 is described in detail here. The structure design enables the effect of circumferential trajectory discharging in the subsequent rotation process, avoiding the phenomenon of local screening plate 502 blockage caused by fixed discharging position. The design that the outer diameter of the auxiliary support 407 is greater than the bottom diameter of the feeding hopper 3 enables the auxiliary support 407 to be stably installed in the screening cylinder 2 without affecting the normal discharging of the feeding hopper 3.

[0031] The vibrating screening mechanism 5 comprises an annular baffle 501, a screening plate 502, a limiting T-shaped block 503, a limiting T-shaped groove 504 and a return spring 505, the annular baffle 501 is slidably installed in the interior of the screening cylinder 2, the annular baffle 501 is fixedly installed on the side edge inner wall at the middle segment position, the screening plate 502 is provided in the form of a perforated mesh plate, the limiting T-shaped blocks 503 are symmetrically arranged on the side edge outer wall of the annular baffle 501 at the position of the screening plate 502, two groups of limiting T-shaped grooves 504 are correspondingly formed on the two side inner walls of the screening cylinder 2 for slidably installing the limiting T-shaped blocks 503, the return springs 505 are connected and installed between the top end outer wall of the limiting T-shaped block 503 and the groove top inner wall of the limiting T-shaped groove 504, the auxiliary support seat 506 is fixedly installed on the top end outer wall of the supporting base 1, the control motor 507 is fixedly installed on the top end outer wall of the auxiliary support seat 506, the output end of the control motor 507 is connected with one end of the transmission shaft 508, the other end of the transmission shaft 508 penetrates through one side outer wall of the screening cylinder 2 and is rotatably installed with the other side inner wall of the screening cylinder 2, the cams 509 are symmetrically fixedly installed on the exterior of the transmission shaft 508 in the screening cylinder 2, and the two groups of cams 509 are all located below the screening plate 502.

[0032] The limiting T-shaped block 503 and the limiting T-shaped groove 504 are arranged to limit and support the annular baffle 501, and the movement track of the annular baffle 501 is intervened and limited on the basis of ensuring the stable movement of the annular baffle 501.

[0033] The side edge outer wall of the annular baffle 501 is attached to the side edge inner wall of the screening cylinder 2, and the height of the annular baffle 501 is greater than twice the groove height of the limiting T-shaped groove 504.

[0034] The design makes the annular baffle 501 achieve the effect of closed shielding on the limiting T-shaped groove 504 no matter how it moves up and down, thereby avoiding the phenomenon that the biomass fertilizer accidentally falls into the limiting T-shaped groove 504 and causes the slot to be stuck on the basis of ensuring the space sealing of the limiting T-shaped groove 504.

[0035] The auxiliary discharging mechanism 6 comprises a material guiding seat 601 and a side plate 602, the material guiding seat 601 is fixedly installed on the bottom end inner wall of the screening cylinder 2, the upper end surface of the material guiding seat 601 is inclined, the extension part of the material guiding seat 601 is located outside the screening cylinder 2, and the side plates 602 are symmetrically fixedly installed on the top end outer wall of the extension part of the material guiding seat 601;

[0036] The shape of the material guiding seat 601 is described in detail, and in the above discharging process, the biomass fertilizer accumulated at the bottom end of the device can be more quickly discharged to the outside of the device through the guiding effect of the inclined surface of the material guiding seat 601, and the side plates 602 achieve the effect of guiding discharging by laterally surrounding the edges of the material guiding seat 601.

[0037] Working principle: refer to Figures 1-7 As shown, before the biomass fertilizer is screened, the driving motor 403 and the control motor 507 need to be started at the same time. It is noted that the speed of the driving motor 403 cannot be too fast, and the mechanism assembly is driven at low speed to drive the lower hopper 406 to rotate at low speed.

[0038] When the driving motor 403 is started, the output end rotation will automatically drive the driving gear 404 to rotate, and then the driving gear 404 rotation will automatically drive the driven gear ring 405 to rotate, thereby driving the lower hopper 406 to rotate. When the driven gear ring 405 rotates, it will also synchronously drive the auxiliary support 407 to move in a circumferential trajectory inside the support groove 408, and through the cooperation of the auxiliary support 407 and the support groove 408, the driven gear ring 405 is rotationally positioned and supported.

[0039] When the control motor 507 is started, the output end rotation will automatically drive the transmission shaft 508 to rotate, thereby driving the cam 509 to rotate. When the cam 509 is in contact with the screening plate 502 during rotation, the screening plate 502 is automatically moved upward by the contact of the cam 509, and then the movement of the screening plate 502 will automatically drive the annular baffle 501 to move, and then the movement of the annular baffle 501 will automatically drive the limiting T-shaped block 503 to slide inside the limiting T-shaped groove 504. At this time, the reset spring 505 is in a contracted state under the extrusion of the limiting T-shaped block 503. When the cam 509 is not in contact with the screening plate 502 during rotation, the counterforce generated by the extrusion of the reset spring 505 will automatically drive the annular baffle 501 to reset, thereby driving the screening plate 502 to reset. Repeating the above movement trajectory makes the screening plate 502 in a vibrating state.

[0040] Then pour the biomass fertilizer to be screened into the inside of the feeding hopper 3, and through the guiding action of the feeding hopper 3, the biomass fertilizer is discharged into the inside of the lower hopper 406, and through the appearance structure of the lower hopper 406, the circumferential trajectory of the biomass fertilizer inside is discharged, so that the biomass fertilizer will not be concentrated and accumulated in the local fixed area of the screening plate 502 for screening. When the biomass fertilizer is discharged above the screening plate 502, the vibration of the screening plate 502 can complete the screening process of the biomass fertilizer, and then the stones, plastics, metal fragments and other impurities mixed in the biomass fertilizer will be automatically isolated above the screening plate 502, thereby completing the screening effect.

[0041] Refer to Figure 1 and Figure 8As shown, the material after screening falls above the guide seat 601 and is guided by the arc surface track of the guide seat 601 to be discharged outside the screening cylinder 2, and the sundries screened above the screening plate 502 open the bin door at the side of the screening cylinder 2 to be taken out, how to install the bin door at the side of the screening cylinder 2 and equip the mechanism to lock the bin door can refer to the prior art structure, which is a conventional technical means, and will not be described in detail here.

[0042] It is noted here that the driving motor 403 and the control motor 507 are powered according to the existing operation technical means, whether the power supply part is used for power supply or the external power cord is used for power supply, which belongs to the existing conventional operation technical means, and will not be described in detail here.

[0043] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0044] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A screening device for biomass fertilizers, comprising a support base (1), a screening drum (2) and a feed hopper (3), characterized in that: The screening cylinder (2) is fixedly installed above the support base (1), the top end outer wall of the screening cylinder (2) is fixedly installed with the feeding hopper (3), and the feeding hopper (3) is communicated with the internal space of the screening cylinder (2); The upper part of the screening cylinder (2) is provided with the dispersing and discharging mechanism (4), the lower part of the screening cylinder (2) is provided with the vibrating and screening mechanism (5), and the lower part of the vibrating and screening mechanism (5) is provided with the auxiliary discharging mechanism (6).

2. The screening device for biomass fertilizer according to claim 1, characterized in that: The dispersing and discharging mechanism (4) comprises a positioning support base (401), an auxiliary mounting frame (402), a driving motor (403), a driving gear (404), a driven gear ring (405), a discharging hopper (406), an auxiliary support (407) and a support groove (408), the positioning support base (401) is fixedly installed above the support base (1), the top end outer wall of the positioning support base (401) is fixedly installed with the auxiliary mounting frame (402), the auxiliary mounting frame (402) is provided in a "Z" shape structure, the top end outer wall of the auxiliary mounting frame (402) is fixedly installed with the driving motor (403), the output end of the driving motor (403) is connected with the top end outer wall of the driving gear (404) through the auxiliary mounting frame (402), and the driving gear (404) is rotatably installed above the positioning support base (401), the side edge of the driving gear (404) is rotatably installed with the driven gear ring (405), the inner wall of the ring body of the driven gear ring (405) is fixedly installed with the discharging hopper (406), the top end outer wall of the driven gear ring (405) is fixedly installed with the auxiliary support (407), the longitudinal section of the auxiliary support (407) is provided in an inverted "L" shape structure, and the top end inner wall of the screening cylinder (2) is provided with the support groove (408) for rotatably installing the auxiliary support (407).

3. A screening apparatus for biomass fertilizer according to claim 2, wherein: The discharging hopper (406) is provided in a special-shaped conical structure, the center position of the upper end surface of the discharging hopper (406) is deviated from the center position of the lower end surface, and the outer diameter of the auxiliary support (407) is greater than the bottom surface diameter of the feeding hopper (3).

4. The screening device for biomass fertilizer according to claim 1, wherein: The vibrating and screening mechanism (5) comprises a ring-shaped baffle (501), a screening plate (502), a limiting T-shaped block (503), a limiting T-shaped groove (504) and a reset spring (505), the ring-shaped baffle (501) is slidably installed in the screening cylinder (2), the side inner wall of the ring-shaped baffle (501) at the middle position is fixedly installed with the screening plate (502), the screening plate (502) is provided in a perforated mesh plate structure, the side outer wall of the ring-shaped baffle (501) at the position of the screening plate (502) is symmetrically provided with the limiting T-shaped block (503), the two side inner walls of the screening cylinder (2) are correspondingly provided with two groups of limiting T-shaped grooves (504) for slidably installing the limiting T-shaped block (503), and the top end outer wall of the limiting T-shaped block (503) and the groove top inner wall of the limiting T-shaped groove (504) are connected and installed with the reset spring (505).

5. A screening apparatus for biomass fertilizer according to claim 4, wherein: The top outer wall of the support base (1) is fixedly installed with an auxiliary support seat (506), the top outer wall of the auxiliary support seat (506) is fixedly installed with a control motor (507), one end of an output shaft (508) of the control motor (507) is connected with the control motor (507), the other end of the output shaft (508) penetrates through one side outer wall of the screening cylinder (2) and is rotationally installed with the other side inner wall of the screening cylinder (2), the outer part of the transmission shaft (508) located in the screening cylinder (2) is fixedly installed with a cam (509) in a symmetrical manner, and the two groups of cams (509) are located below the screening plate (502).

6. A screening apparatus for biomass fertilizer according to claim 4, wherein: The side outer wall of the annular baffle (501) is attached to the side inner wall of the screening cylinder (2), and the height of the annular baffle (501) is greater than twice the groove height of the limiting T-shaped groove (504).

7. The screening device for biomass fertilizer according to claim 1, wherein: The auxiliary discharging mechanism (6) comprises a guide seat (601) and a side plate (602), the bottom inner wall of the screening cylinder (2) is fixedly installed with the guide seat (601), the upper end surface of the guide seat (601) is of an inclined structure, the extension part of the guide seat (601) is located outside the screening cylinder (2), and the top outer wall of the guide seat (601) located at the extension part position is fixedly installed with the side plate (602) in a symmetrical manner.