Automatic stirrer for biogas digester
By designing a multi-point rotating mixing mechanism for the automatic mixer, the problem of uneven material distribution caused by existing mixers was solved, achieving uniform mixing of materials in the tank and improving the microbial fermentation effect, thereby increasing biogas production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
Existing agitators are usually fixed in one position for stirring, resulting in uneven distribution of materials in the tank far from the agitator area, which affects the fermentation effect.
An automatic stirrer was designed, including a stirring motor, a rotating rod, a geared disc, a connecting part, a stirring shaft, and stirring blades. The stirring shaft and stirring blades are connected by gear meshing to realize multi-point rotation and stirring in the pool, covering different areas and avoiding sediment accumulation.
This process achieves uniform mixing of materials within the digester, improves the fermentation effect of microorganisms, enhances biological reaction efficiency, and increases biogas production.
Smart Images
Figure CN224047361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the biogas tank fermentation technical field, concretely relates to a kind of automatic agitator for biogas tank. BACKGROUND
[0002] Biogas tank is a kind of facility for producing biogas by anaerobic fermentation treatment of organic waste, and in the biogas tank, fermentation is produced by microbial decomposition of organic matter. If the organic matter in the tank is not evenly precipitated, it is difficult for microorganisms to effectively contact all the organic matter, so using a stirrer can continuously stir the organic waste in the tank to make it evenly distributed, increase the contact opportunity of microorganisms and organic matter, and thus accelerate the fermentation process.
[0003] However, the existing stirrer is usually fixed in one position for stirring work, and usually only affects the area close to it during stirring. The stirring effect is poor for the area far from the stirrer in the tank, which easily leads to uneven distribution of materials in the tank and affects the overall fermentation effect. SUMMARY
[0004] The utility model aims at providing a kind of automatic agitator for biogas tank, can be stirred in different positions in the tank, ensure that the materials in the whole tank body are evenly stirred, and can improve the fermentation effect of microorganisms in the tank.
[0005] The technical scheme adopted by the utility model is as follows:
[0006] An automatic agitator for biogas tank includes a tank body, a stirrer mounting bracket is installed on the top of the tank body, and a stirring mechanism is provided on the top of the stirrer mounting bracket. The stirring mechanism includes a stirring motor, a rotating rod, a toothed disc, a connecting piece, a stirring shaft, stirring blades and a gear. The stirring motor is fixedly installed on the top of the stirrer mounting bracket. One end of the rotating rod is fixedly connected to the output end of the bottom of the stirring motor. The other end of the rotating rod penetrates into the inside of the stirrer mounting bracket. The toothed disc is movably sleeved on the surface of the rotating rod and is installed on the top of the inside of the stirrer mounting bracket. One end of the connecting piece is fixedly connected to the bottom end of the rotating rod. The stirring shaft is connected to the other end of the connecting piece. The bottom end of the stirring shaft extends into the inside of the tank body. The stirring shaft is obliquely arranged at the bottom of the toothed disc. The stirring blades are fixedly connected to the bottom of the surface of the stirring shaft. The gear is meshingly connected to one side of the toothed disc.
[0007] Preferably, an auxiliary rod is fixedly installed on the inside of the stirrer mounting bracket. An active slot is formed in the inside of the auxiliary rod. The stirring shaft is movably arranged in the inside of the active slot.
[0008] Preferably, the number of stirring blades is several, and they are equally distributed on the surface of the stirring shaft.
[0009] Preferably, the surface of the stirring shaft is sleeved with a limiting ring, and the limiting ring is located at the bottom of the connecting piece.
[0010] Preferably, a protective box is mounted at the top of the stirrer mounting frame, the stirring motor is arranged in the protective box, and a maintenance door plate is hingedly connected to one side of the protective box.
[0011] Preferably, a plurality of heat dissipation holes are formed in one side of the protective box and are equidistantly distributed on the one side of the protective box.
[0012] The utility model discloses the technical effect achieved is:
[0013] In the utility model, through the cooperation of the stirring mechanism, when the microorganism in the pool body is stirred, the stirring motor can be started first, the stirring motor runs to drive the rotating rod and the connecting piece to rotate, the connecting piece rotates to drive the stirring shaft to rotate, the stirring shaft rotates to drive the gear to rotate along the circumference of the gear disc, and when the stirring shaft rotates, the stirring blade in the pool body can be driven to stir, the stirring shaft and the stirring blade in the pool body can rotate and automatically rotate and stir, the rotating and stirring can be realized through the multi-point stirring mode, the material can be more efficiently treated, the material in the whole pool body can be uniformly stirred, and the fermentation effect of the microorganism in the pool can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structure of the utility model three-dimensional schematic view;
[0015] Figure 2 It is the utility model stirring shaft and movable groove cooperation connection three-dimensional schematic view;
[0016] Figure 3 It is the utility model gear disc bottom structure three-dimensional schematic view.
[0017] In the drawings, the component list represented by each sign is as follows:
[0018] 1, pool body;2, stirrer mounting frame;201, stirring motor;202, rotating rod;203, gear disc;204, connecting piece;205, stirring shaft;206, stirring blade;207, gear;301, auxiliary rod;302, movable groove;4, limiting ring;501, protective box;502, maintenance door plate;503, heat dissipation hole. DETAILED DESCRIPTION
[0019] In order to make the purpose and the advantage of the utility model more clearly, the utility model is specifically explained below by combining with the embodiment. It should be understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the utility model.
[0020] As Figures 1-3 shown, an automatic agitator for a biogas tank, a tank body 1, a top of the tank body 1 is provided with an agitator mounting bracket 2, a top of the agitator mounting bracket 2 is provided with an agitating mechanism; the agitating mechanism comprises an agitating motor 201, a rotating rod 202, a gear disc 203, a connecting piece 204, an agitating shaft 205, an agitating blade 206 and a gear wheel 207, the agitating motor 201 is fixedly installed on the top of the agitator mounting bracket 2, one end of the rotating rod 202 is fixedly connected to the output end of the bottom of the agitating motor 201, the other end of the rotating rod 202 penetrates to the inside of the agitator mounting bracket 2, the gear disc 203 is movably sleeved on the surface of the rotating rod 202 and is installed on the top of the inside of the agitator mounting bracket 2, one end of the connecting piece 204 is fixedly connected to the bottom end of the rotating rod 202, the agitating shaft 205 is connected to the other end of the connecting piece 204, the bottom end of the agitating shaft 205 extends to the inside of the tank body 1, the agitating shaft 205 is obliquely arranged at the bottom of the gear disc 203, the agitating blade 206 is fixedly connected to the bottom of the surface of the agitating shaft 205, the gear wheel 207 is meshingly connected to one side of the gear disc 203, through the cooperation of the agitating mechanism, the agitating shaft 205 and the agitating blade 206 can rotate and agitate the microorganisms in the tank body 1, so as to realize the agitation of different positions in the tank body 1, cover different areas of the tank body 1, effectively avoid the accumulation of sediments in some areas, reduce the "dead angle" phenomenon, especially when processing materials with large viscosity or containing solid particles, the accumulation of sediments can be effectively prevented, the continuous flowability of the materials is ensured, which helps to improve the efficiency of biological reaction and increase the yield of products such as biogas.
[0021] As Figures 1-2 shown, the inside of the agitator mounting bracket is fixedly provided with an auxiliary rod 301, the inside of the auxiliary rod 301 is provided with a movable groove 302, the agitating shaft 205 is movably arranged in the inside of the movable groove 302, when the agitating shaft 205 rotates, the agitating shaft 205 can flexibly rotate around the inner wall of the movable groove 302, and under the auxiliary support of the auxiliary rod 301, the agitating shaft 205 can stably rotate and agitate, preventing the agitating shaft 205 from shaking and affecting normal agitation work due to lack of support during agitation rotation.
[0022] As Figure 2 shown, the number of the agitating blades 206 is several, and they are equidistantly distributed on the surface of the agitating shaft 205, the multiple agitating blades 206 work cooperatively to help promote the flow of materials better, especially for materials with high density, the multiple agitating blades 206 design helps to break the accumulation state of the materials, making the materials flow more uniformly and preventing the accumulation of sediments.
[0023] As Figure 3As shown, the surface of the stirring shaft 205 is sleeved with a limiting ring 4, which is located at the bottom of the connecting piece 204, when the connecting piece 204 drives the stirring shaft 205 to rotate, in order to prevent the stirring shaft 205 from sliding in the connecting piece 204, the stirring shaft 205 can be assisted to be limited in the connecting piece 204 under the action of the limiting ring 4, so that the stirring shaft 205 can rotate more stably.
[0024] As shown in the figure, Figure 1 As shown, the top of the stirrer mounting frame 2 is provided with a protection box 501, the stirring motor 201 is arranged in the protection box 501, and a maintenance door plate 502 is hingedly connected to one side of the protection box 501, so that the protection box 501 can effectively prevent dust, dirt, chemicals, grease or other external pollutants from entering the stirring motor 201, reduce the risk of pollution of the stirring motor 201, ensure the normal operation of the stirring motor 201, and facilitate the opening of the maintenance door plate 502 by the staff to maintain and repair the stirring motor 201 in the interior.
[0025] As shown in the figure, Figure 1 As shown, a plurality of heat dissipation holes 503 are formed in one side of the protection box 501, and the heat dissipation holes 503 are equidistantly distributed on one side of the protection box 501, so that the good heat dissipation performance can keep the temperature in the stirring motor 201 stable, reduce the increase of internal resistance caused by high temperature, and improve the working efficiency of the stirring motor 201, and stable temperature control can help the stirring motor 201 to keep the best operating state, reduce energy waste, and at the same time, the heat dissipation holes 503 can effectively help the stirring motor 201 to avoid damage to the internal components of the stirring motor 201 due to high temperature, thereby prolonging the service life of the stirring motor 201.
[0026] The working principle of the utility model is that when the microorganisms in the pool body 1 are stirred, the stirring motor 201 can be started first, the stirring motor 201 runs to drive the rotating rod 202 and the connecting piece 204 to rotate, the connecting piece 204 rotates to drive the stirring shaft 205 to rotate, the stirring shaft 205 rotates to drive the gear 207 to rotate along the circumference of the gear disc 203, and when the stirring shaft 205 rotates, the stirring blade 206 in the pool body 1 can be driven to stir at the same time, and the stirring shaft 205 and the stirring blade 206 can rotate and automatically rotate and stir in the pool body 1, the rotary stirring can be realized by the multi-point stirring mode, the material can be more efficiently treated, the material in the whole pool body 1 can be uniformly stirred, and the fermentation effect of the microorganisms in the pool can be improved.
[0027] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. Structures, devices and operation methods not specifically described and explained in the present application are implemented according to conventional means in the art, unless otherwise specified and limited.
Claims
1. An automatic agitator for a biogas tank comprising a tank body (1), characterized in that: The top of the pool body (1) is provided with a stirrer mounting rack (2), and the top of the stirrer mounting rack (2) is provided with a stirring mechanism. The stirring mechanism comprises a stirring motor (201), a rotating rod (202), a toothed disc (203), a connecting piece (204), a stirring shaft (205), stirring blades (206) and a gear (207). The stirring motor (201) is fixedly installed on the top of the stirrer mounting rack (2). One end of the rotating rod (202) is fixedly connected to the output end of the bottom of the stirring motor (201), and the other end of the rotating rod (202) penetrates to the inside of the stirrer mounting rack (2). The toothed disc (203) is movably sleeved on the surface of the rotating rod (202) and is installed on the top of the inside of the stirrer mounting rack (2). One end of the connecting piece (204) is fixedly connected to the bottom end of the rotating rod (202), and the stirring shaft (205) is connected to the other end of the connecting piece (204). The bottom end of the stirring shaft (205) extends to the inside of the pool body (1), and the stirring shaft (205) is obliquely arranged at the bottom of the toothed disc (203). The stirring blades (206) are fixedly connected to the bottom of the surface of the stirring shaft (205), and the gear (207) is meshedly connected to one side of the toothed disc (203).
2. The automatic biogas digester stirrer as claimed in claim 1, wherein: The inside of the stirrer mounting bracket is fixedly provided with an auxiliary rod (301), and the inside of the auxiliary rod (301) is provided with a movable groove (302). The stirring shaft (205) is movably arranged in the movable groove (302).
3. The automatic stirrer for a biogas digester according to claim 1, wherein: The number of the stirring blades (206) is several, and they are equidistantly distributed on the surface of the stirring shaft (205).
4. The automatic biogas digester stirrer as claimed in claim 1, wherein: The surface of the stirring shaft (205) is sleeved with a limiting ring (4), and the limiting ring (4) is located at the bottom of the connecting piece (204).
5. The automatic stirrer for a biogas digester according to claim 1, characterized in that: The top of the stirrer mounting rack (2) is provided with a protection box (501), the stirring motor (201) is arranged in the protection box (501), and the protection box (501) is hingedly connected with an access door plate (502) on one side.
6. The automatic biogas digester agitator according to claim 5, wherein: A plurality of heat dissipation holes (503) are formed in one side of the protection box (501) and equidistantly distributed on one side of the protection box (501).