Compost fermentation device for mixing straw and excrement

Abstract

The utility model belongs to the field of compost fermentation, particularly relates to a compost fermentation device for mixing straw and excrement, and provides the following scheme aiming at the problems that in the prior art, internal materials are inconvenient to stir, so that part of the materials cannot be in full contact with air, and the fermentation effect is reduced. A driving motor is fixed to the upper surface of the device shell through bolts, a stirring mechanism used for stirring materials is arranged on a power output shaft of the driving motor, and a scraping mechanism used for scraping the materials on the inner wall of the device is arranged on the outer wall of the stirring mechanism. Impurities in air are filtered by the filter screen, the filtered air enters the connecting piece through the conveying pipe and then passes through the conveying cavity formed in the transmission rod, so that the input air can be exhausted through the exhaust port, uniform distribution of oxygen is ensured, local anaerobic conditions are prevented, full contact between microorganisms and materials is promoted, and the oxygen-rich effect is achieved. The fermentation effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compost fermentation device, concretely is a straw excrement mixed compost fermentation device, belongs to compost fermentation technical field. BACKGROUND

[0002] The straw excrement mixed compost fermentation device is an important equipment for realizing agricultural waste resource utilization. The straw excrement mixed compost fermentation device is a device specially designed for mixing and composting agricultural wastes such as straw and excrement. The working principle of the straw excrement mixed compost fermentation device is based on the fermentation of microorganisms. When the straw and excrement and other raw materials are mixed and put into the fermentation bin, microorganisms begin to decompose these organic matters and release energy. During the fermentation process, microorganisms need oxygen for respiration and produce heat. Through the synergistic effect of the stirring system and the aeration system, the uniform distribution of oxygen and the maintenance of suitable fermentation conditions can be ensured.

[0003] In the prior art, as disclosed in the announcement No. CN218989118U, a kind of excrement rapid composting fermentation shed, it includes base, base is fixedly installed with excrement collecting shed, excrement collecting shed's left side is fixedly installed with medicament tank, excrement collecting shed's right side is fixedly installed with gas storage tank, gas storage tank's top is fixedly installed with air pump, base is sequentially provided with mixing tank and drive groove from left to right in it, two stirring shafts are rotatably connected in mixing tank, and a plurality of stirring rods are fixedly installed on two stirring shafts. It can store the gas generated during the excrement fermentation process, avoid direct emission pollution environment, and can recycle and utilize to produce biogas, thereby further improving the utilization rate of resources, while the filtered excrement water can be treated and discharged, to avoid the odor pollution in excrement water.

[0004] Although the above technical solution can store the gas generated during the excrement fermentation process, avoid direct emission pollution environment, and can recycle and utilize to produce biogas, it is not convenient to stir the internal materials during use, which leads to that part of the materials cannot be fully contacted with air, reducing the fermentation effect. In view of this, a straw excrement mixed compost fermentation device is provided to overcome the above defects. UTILITY MODEL CONTENT

[0005] The utility model provides a straw excrement mixed compost fermentation device to solve the problem of inconvenient stirring of internal materials, which leads to that part of the materials cannot be fully contacted with air, reducing the fermentation effect.

[0006] The utility model discloses a kind of compost fermentation devices of straw excrement mixture, including device shell, the upper surface of the device shell is fixed with driving motor by bolt, the power output shaft of the driving motor is equipped with the stirring mechanism for material stirring, the outer wall of the stirring mechanism is equipped with the scraping mechanism for scraping device inner wall material, the lower surface of the device shell is communicated with discharge pipe, the outer wall of the discharge pipe is fixed with valve;

[0007] The stirring mechanism includes a transmission rod, which is fixed to the power output shaft of the driving motor. A helical blade is fixed to the outer surface of the transmission rod. A connecting piece is sleeved on the outer surface of the transmission rod. The outer wall of the connecting piece is communicated with a conveying pipe. The end of the conveying pipe is communicated with a gas delivery pump. The input end of the gas delivery pump is communicated with an air inlet. The inside of the air inlet is fixed with a filter screen.

[0008] As a further scheme of the utility model: the inner wall of the connecting piece is fixed with two fixed bearings sleeved on the transmission rod. The inside of the transmission rod is provided with a conveying cavity communicated with the connecting piece.

[0009] As a further scheme of the utility model: the outer wall of the transmission rod is provided with a plurality of exhaust ports communicated with the conveying cavity.

[0010] As a further scheme of the utility model: the scraping mechanism includes mounting rods. Two groups of mounting rods are fixed to the outside of the transmission rod.

[0011] As a further scheme of the utility model: the inside of two groups of mounting rods is telescopically connected with movable rods. Springs are installed in the inside of two groups of mounting rods.

[0012] As a further scheme of the utility model: the end of the spring is abutted and connected with a movable block fixedly connected with the movable rod. The end of the movable rod is fixed with a scraper plate tightly fitted with the inner wall of the device shell.

[0013] As a further scheme of the utility model: the upper surface of the device shell is communicated with a feed inlet. The upper end of the device shell is communicated with an exhaust pipe. The inside of the exhaust pipe is fixed with a filter element.

[0014] The utility model has the advantages that the filter screen filters impurities in the air. The filtered air enters the connecting piece through the conveying pipe and then passes through the conveying cavity in the transmission rod. The input air can be discharged through the exhaust port to ensure uniform distribution of oxygen and prevent the occurrence of local anaerobic conditions. The movable block is moved under the elastic force of the spring, which drives the scraper plate to better contact with the inner wall of the device shell, improving the scraping effect of the material. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a cross section structure schematic diagram of the utility model device shell;

[0017] Figure 3 It is a cross section structure schematic diagram of the utility model installation pole;

[0018] Figure 4 It is a cross section structure schematic diagram of the utility model connecting piece;

[0019] Figure 5 It is a cross section structure schematic diagram of the utility model air inlet piece.

[0020] In the drawing: 1, device shell; 2, driving motor; 3, transmission rod; 31, spiral blade; 32, connecting piece; 33, conveying pipe; 34, air conveying pump; 35, air inlet piece; 36, filter screen; 37, fixed bearing; 38, conveying cavity; 39, exhaust port; 4, installation pole; 41, movable rod; 42, spring; 43, movable block; 44, scraper; 5, discharge pipe; 6, valve; 7, feed inlet; 8, exhaust pipe; 9, filter core. DETAILED DESCRIPTION

[0021] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one

[0023] As Figures 1 to 5 shown, a kind of straw excrement mixed compost fermentation device, including device shell 1, the upper surface of device shell 1 is fixed with driving motor 2 by bolt, the power output shaft of driving motor 2 is equipped with for stirring mechanism to material stirring, the outer wall of stirring mechanism is equipped with for scraping mechanism to device inner wall material scraping, the lower surface of device shell 1 is communicated with discharge pipe 5, the outer wall of discharge pipe 5 is fixed with valve 6;

[0024] The stirring mechanism comprises a transmission rod 3 fixed on the power output shaft of the driving motor 2, the outer surface of the transmission rod 3 is fixed with a spiral blade 31, the outer surface of the transmission rod 3 is sleeved with a connecting piece 32, the outer wall of the connecting piece 32 is communicated with a conveying pipe 33, the tail end of the conveying pipe 33 is communicated with a gas conveying pump 34, the input end of the gas conveying pump 34 is communicated with an air inlet 35, the inside of the air inlet 35 is fixed with a filter screen 36, the inner wall of the connecting piece 32 is fixed with two fixed bearings 37 which are sleeved on the transmission rod 3, the inside of the transmission rod 3 is provided with a conveying cavity 38 which is communicated with the connecting piece 32, the outer wall of the transmission rod 3 is provided with a plurality of air outlets 39 which are communicated with the conveying cavity 38, the driving motor 2 is arranged to drive the transmission rod 3 to rotate, thereby driving the spiral blade 31 to stir the material, so that the material is turned over from the lower end in the device shell 1 to the upper end, ensuring the fermentation effect of the material, at the same time, the gas conveying pump 34 is started, the external air can be sucked in through the air inlet 35, the filter screen 36 is arranged to filter the impurities in the air, the filtered air enters the connecting piece 32 through the conveying pipe 33, and then enters the conveying cavity 38 in the transmission rod 3, so that the input air can be discharged through the air outlet 39, to ensure uniform distribution of oxygen, prevent local anaerobic conditions, and promote sufficient contact between microorganisms and the material, thereby improving the fermentation effect, and the air in the device shell 1 can be discharged outside through the exhaust pipe 8, the filter core 9 is composed of an activated carbon plate and a filter plate, when the air passes through the filter core 9, the impurities and odors in the air can be purified, and the fixed bearings 37 arranged in the connecting piece 32 can ensure that the transmission rod 3 does not drive the connecting piece 32 to rotate when rotating, thereby ensuring normal conveying of air.

[0025] Example two

[0026] In addition to including all the technical features in example one, the scraping mechanism in this embodiment further comprises two installation rods 4, the two installation rods 4 are fixed on the outer side of the transmission rod 3, the inside of the two installation rods 4 is telescopically connected with a movable rod 41, the inside of the two installation rods 4 is installed with a spring 42, the tail end of the spring 42 is connected with a movable block 43 which is fixedly connected with the movable rod 41, the tail end of the movable rod 41 is fixed with a scraper 44 which is tightly attached to the inner wall of the device shell 1, the upper surface of the device shell 1 is communicated with a feeding port 7, the upper end of the device shell 1 is communicated with an exhaust pipe 8, the inside of the exhaust pipe 8 is fixed with a filter core 9, when the transmission rod 3 rotates, the installation rod 4 will move, thereby driving the movable rod 41 to move and drive the scraper 44 to move, so as to scrape the material adhered to the inner wall of the device shell 1, under the elastic action of the spring 42, the movable block 43 can be driven to move, thereby driving the scraper 44 to better contact with the inner wall of the device shell 1, improving the scraping effect of the material.

[0027] Working principle: before using the straw manure mixed compost fermentation device, first the device shell 1 is settled to the appropriate position, through the device shell 1 on the feed inlet 7 will need to be processed material into the device shell 1, the drive motor 2 is arranged to drive the rotation of the rod 3, in turn drive screw blade 31 to the material stirring, so that the material from the device shell 1 inside the lower end to the top, ensure the fermentation effect of material, while the air pump 34 starts, through the air inlet piece 35 can be outside air suction, the filter screen 36 arranged to filter the impurities in the air, filtered air through the delivery pipe 33 into the connecting piece 32, again through the transmission rod 3 inside the conveying cavity 38, so that the input air can be discharged through the exhaust port 39, to ensure uniform distribution of oxygen, prevent the occurrence of local anaerobic conditions, and promote the full contact of microorganisms and materials, improve the fermentation effect, while the air in the device shell 1 can be discharged outside the exhaust pipe 8, the filter core 9 arranged is activated carbon plate and filter plate, when the air passes through the filter core 9, the impurities and odor in the air can be purified, through the connecting piece 32 arranged in the fixed bearing 37, can ensure that the transmission rod 3 rotates will not drive the connecting piece 32 rotation, ensure the normal delivery of air, and the transmission rod 3 rotates, will drive the installation rod 4 movement, in turn make the movable rod 41 drive scraper 44 movement, can scrape the material adhered to the inner wall of the device shell 1, under the action of spring 42 itself elasticity, can drive the movement of movable block 43, in turn drive scraper 44 better and the inner wall of the device shell 1 contact, improve the scraping effect of material, by opening the valve 6 on the discharge pipe 5, so that the fermented material can be discharged to the outside.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other ways without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to cover all changes and modifications of the application equivalent to those specified by the meaning and scope of the claims. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A device for fermentation of compost of straw and manure mixture comprising a device housing (1) characterized in that: The upper surface of the device shell (1) is fixed with a driving motor (2) through bolts, the power output shaft of the driving motor (2) is provided with a stirring mechanism for stirring materials, the outer wall of the stirring mechanism is provided with a scraping mechanism for scraping materials on the inner wall of the device, the lower surface of the device shell (1) is communicated with a discharge pipe (5), and the outer wall of the discharge pipe (5) is fixed with a valve (6); The stirring mechanism comprises a transmission rod (3), the transmission rod (3) is fixed on the power output shaft of the driving motor (2), the outer surface of the transmission rod (3) is fixed with a spiral blade (31), the outer surface of the transmission rod (3) is sleeved with a connecting piece (32), the outer wall of the connecting piece (32) is communicated with a conveying pipe (33), the distal end of the conveying pipe (33) is communicated with a gas conveying pump (34), the input end of the gas conveying pump (34) is communicated with an air inlet (35), and the inner portion of the air inlet (35) is fixed with a filter screen (36).

2. The device for fermentation of compost of mixture of straw and manure according to claim 1, characterized in that: The inner wall of the connecting piece (32) is fixed with two fixed bearings (37) sleeved on the transmission rod (3), and the inner portion of the transmission rod (3) is provided with a conveying cavity (38) in communication with the connecting piece (32).

3. The device according to claim 2, wherein: the device is a device for fermenting a mixture of straw and manure. The outer wall of the transmission rod (3) is provided with a plurality of exhaust ports (39) in communication with the conveying cavity (38).

4. The device according to claim 1, wherein: the device is a device for fermenting compost of a mixture of straw and manure. The scraping mechanism comprises a mounting rod (4), the mounting rod (4) is provided with two groups, and the two groups of mounting rods (4) are fixed on the outer side of the transmission rod (3).

5. The device for fermentation of compost of mixture of straw and manure according to claim 4, characterized in that: The inner portion of the two groups of mounting rods (4) is telescopically connected with a movable rod (41), and the inner portion of the two groups of mounting rods (4) is provided with a spring (42).

6. The device according to claim 5, wherein: The distal end of the spring (42) is connected with a movable block (43) fixedly connected with the movable rod (41), and the distal end of the movable rod (41) is fixed with a scraper (44) closely combined with the inner wall of the device shell (1).

7. The device according to claim 1, wherein: the device is a device for fermentation of compost of mixture of straw and manure. The upper surface of the device shell (1) is communicated with a feeding port (7), the upper end of the device shell (1) is communicated with an exhaust pipe (8), and the inner portion of the exhaust pipe (8) is fixed with a filter core (9).

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