CN215250872U - A high-efficient dissolved oxygen device for aerobic fermentation jar - Google Patents
A high-efficient dissolved oxygen device for aerobic fermentation jar Download PDFInfo
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- CN215250872U CN215250872U CN202120537227.5U CN202120537227U CN215250872U CN 215250872 U CN215250872 U CN 215250872U CN 202120537227 U CN202120537227 U CN 202120537227U CN 215250872 U CN215250872 U CN 215250872U
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Abstract
A high-efficiency oxygen dissolving device for an aerobic fermentation tank comprises a hollow main shaft (3), a spiral auger type leaf surface (11), a main shaft fixing frame (5), a hydraulic ratchet power device (16), an air inlet and exhaust system, a sensing system, a material lifting device, a discharging device (15) and a tank body shell (17) in an auxiliary manner; the spiral-auger-type blade surface scraper is characterized in that the spiral-auger-type blade surface (11) is fixed on the hollow main shaft (3), the surface of the spiral-auger-type blade surface is distributed with wedge-shaped scraper blades (6), the back surface of the spiral-auger-type blade surface is supported by reinforcing ribs (13), the spiral-auger-type blade surface scraper and the back surface are both of a hollow structure, and the outer side of the spiral-auger-type blade surface scraper is provided with a vent hole communicated with the hollow main shaft (3); the main purpose is to increase the contact area and mixing degree of the materials and oxygen; the main principle is that the material laying area is increased by the spiral auger type blade surface (11), the contact and the mixing of the materials and oxygen are increased by the arrangement of the multi-vent holes, and the speed and the quality of aerobic fermentation are accelerated and improved.
Description
Technical Field
The utility model relates to the technical field of microbial fermentation equipment, in particular to a high-efficiency oxygen dissolving device for aerobic fermentation.
Background
The microbial aerobic fermentation refers to a process of converting materials into products required by human beings through a microbial complex metabolic process under the condition of sufficient oxygen. The production level of the microbial aerobic fermentation mainly depends on the metabolic characteristics of the strains and the external fermentation conditions. At present, the aerobic fermentation engineering of microorganisms is widely applied to food industry, energy industry, agriculture, medicine industry, chemical industry, environmental treatment and the like.
However, the current organic waste aerobic fermentation tank has some problems in the aspects of actual industrial production and application, and particularly in the actual production process, the traditional fermentation tank adopts a stirring shaft to stir materials so as to increase the dissolved oxygen amount in the materials, but the oxygen exposure capability of the mode is limited, so that local anaerobic fermentation is easily caused, harmful substances and odor are generated, and the quality and the speed of the product of the aerobic fermentation are further influenced. In order to solve the problems, the utility model provides a high-efficiency oxygen dissolving device for an aerobic fermentation tank.
Disclosure of Invention
The utility model provides a high-efficient dissolved oxygen device for aerobic fermentation jar, it can increase the area of contact of material and oxygen among the aerobic fermentation jar effectively, reduces anaerobic fermentation's production, improves the quality of good oxygen fermentation result for the speed of fermentation has solved the problem of mentioning among the above-mentioned background art.
Realize the utility model discloses a technical solution does:
a high-efficiency oxygen dissolving device for an aerobic fermentation tank mainly comprises a sectional hollow main shaft 3, a main shaft fixing frame 5, a spiral auger type blade surface 11, a hydraulic ratchet power device 16, an air inlet and exhaust system, a sensing system, a tank body shell 17, a discharging device 15 and a material lifting device, wherein the tank body shell is provided with a water inlet and outlet; the air inlet and exhaust system comprises an air inlet fan and an exhaust fan 9; the sensing system comprises a pressure sensor 12, a fermentation gas concentration sensor 10 and a temperature sensor 8; the material lifting device comprises a material hopper 1 and a lifting mechanism 4; the device is characterized in that a main shaft fixing frame 5 is arranged, and the main shaft fixing frame 5 is parallel to the ground and concentrically fixed at the top in a tank shell 17; the geometric center of the main shaft fixing frame 5 is provided with a coupling which is connected with the sectional hollow main shaft 3;
the tank body shell 17 is formed by stacking four layers of components; the top of the tank shell 17 is provided with a fermentation tank feeding port 6 and an exhaust fan 9; the material hopper 1 and the lifting mechanism 4 are arranged on the outer side of the tank body shell 17, and three inspection ports 2 are arranged on the outer side of the tank body shell 17; a fermentation gas concentration sensor 10 and a pressure sensor 12 are arranged on the inner wall of the tank shell 17 from top to bottom, and an opening is formed in the bottom of the inner wall to facilitate discharging of a discharging device 15;
the sectional hollow main shaft 3 is vertical to the ground, the upper part of the sectional hollow main shaft is concentrically connected with a main shaft fixing frame 5, and the lower part of the sectional hollow main shaft is connected with a hydraulic ratchet power device 16; the sectional hollow main shaft 3 is formed by connecting three sections of hollow shafts with different diameters through flange couplings, the diameters of the hollow shafts are sequentially increased from top to bottom, and spiral auger type blade surfaces 11 are uniformly distributed on each section; the upper surface of the spiral auger type blade surface 11 is distributed with a wedge-shaped scraper 6, the back is welded with a reinforcing rib 13 to share the axial load, and the bottom end is fixed with a brush plate 14 vertical to the ground direction; and ventilation channels are designed in the wedge-shaped scraper 6 and the reinforcing rib 13 and are communicated with the sectional hollow main shaft 3. The brush plate 14 rotates along with the sectional hollow main shaft 3, so as to brush the clinker at the bottom of the tank body into the outlet and fall to the discharging device 15;
the bottom of the sectional type hollow main shaft 3 is also connected with an air inlet fan, and when the sectional type hollow main shaft works, the air inlet fan introduces oxygen into the sectional type hollow main shaft 3 and blows the oxygen out from the pore canals of the wedge-shaped scraper 6 and the reinforcing ribs 13; the sectional type hollow main shaft 3 is also provided with a plurality of temperature sensors 8 at different positions of the axial surface, and is used for monitoring the temperature change of materials in the fermentation process in real time, so that the aeration amount can be adjusted in time, and the intellectualization of aerobic fermentation is realized.
The utility model has the advantages that:
1. the utility model designs spiral auger type leaf surfaces for laying the materials to be fermented by using the auger working principle in agricultural machinery for reference; meanwhile, hollow wedge-shaped scrapers are distributed on the surfaces of the spiral auger type blade surfaces, and a plurality of oxygen outlet holes are formed in the vertical cutting surfaces of the wedge-shaped scrapers and communicated with the sectional type hollow main shaft; the back of the spiral auger type blade surface is also provided with a plurality of hollow reinforcing ribs, and oxygen outlets are distributed on two sides of the spiral auger type blade surface and communicated with the sectional type hollow main shaft. In the utility model, on one hand, the arrangement of the spiral auger type leaf surfaces effectively increases the contact area of the materials and the oxygen; on the other hand, the porous oxygen exposure mode also enhances the mixing of the materials and the oxygen, ensures the high dissolved oxygen in the aerobic process, accelerates the aerobic fermentation, ensures the quality of the aerobic fermentation, and shortens the production period of the fermentation.
2. The sectional type hollow main shaft has the advantages that through the multi-section combination of the sectional type hollow main shaft and the arrangement of the reinforcing ribs, the mechanical strength of the whole structure can be ensured, and the assembly and the maintenance of the sectional type hollow main shaft are simple and convenient; meanwhile, the structural arrangement is also beneficial to the line arrangement and the external operation of the sensor in the sectional type hollow main shaft.
3. The utility model discloses structural design laminating aerobic fermentation's process characteristic. The organic waste on the whole spiral auger type leaf surface can be divided into three stages from top to bottom: initial stage of fermentation, peak stage of fermentation and mature stage of fermentation. Generally, because of physical characteristics, the carbon dioxide that aerobic fermentation produced can deposit in the bottom when not ventilating, and the here material of the utility model is in the stage that aerobic fermentation is about to accomplish, and the demand to oxygen is few, and more oxygen can be utilized by the organic waste material in middle part, the aerobic fermentation with higher speed.
Drawings
FIG. 1 is a schematic view of the overall structure of the fermentation tank of the present invention;
fig. 2 is a schematic three-dimensional structure of the present invention;
fig. 3 is a schematic structural view of the wedge-shaped scraper in the structure diagram of fig. 1 of the present invention.
In the figure: 1. a material hopper; 2. an inspection opening; 3. a segmented hollow spindle; 4. a lifting mechanism; 5. a main shaft fixing frame; 6. a wedge-shaped scraper; 7. a feeding port; 8. a temperature sensor; 9. an exhaust fan; 10. a fermentation gas concentration sensor; 11. spiral auger type leaf surface; 12. a pressure sensor; 13. reinforcing ribs; 14. brushing the board; 15. a discharging device; 16. a hydraulic ratchet power device; 17. a tank shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be fully described in detail below with reference to the accompanying drawings.
Referring to the attached figure 1 of the specification, a high-efficiency oxygen dissolving device for an aerobic fermentation tank mainly comprises a sectional type hollow main shaft 3, a spiral auger type leaf surface 11, a tank body shell 17, a main shaft fixing frame 5, a hydraulic ratchet power device 16, an air inlet and exhaust system, a sensing system, a material lifting device and a discharging device 15; the air inlet and exhaust system comprises an air inlet fan and an exhaust fan 9; the sensing system comprises a pressure sensor 12, a fermentation gas concentration sensor 10 and a temperature sensor 8; the material lifting device comprises a material hopper 1 and a lifting mechanism 4; the method is characterized in that: a main shaft fixing frame 5 is arranged; the main shaft fixing frame 5 is parallel to the ground and concentrically fixed at the top in the tank shell 17; the geometric center of the main shaft fixing frame 5 is provided with a coupling which is connected with the sectional hollow main shaft 3;
the tank body shell 17 is formed by stacking four layers of components; the top in the tank shell 17 is provided with a fermentation tank feeding port 7 and an exhaust fan 9; the material hopper 1 and the lifting mechanism 4 are arranged on the outer side of the tank body shell 17, and three inspection ports 2 are arranged on the outer side of the tank body shell 17; a fermentation gas concentration sensor 10 and a pressure sensor 12 are arranged on the inner wall of the tank shell 17 from top to bottom, and an opening is formed in the bottom of the inner wall to facilitate discharging of a discharging device 15;
the sectional hollow main shaft 3 is vertical to the ground, the upper part of the sectional hollow main shaft is concentrically connected with a main shaft fixing frame 5, and the lower part of the sectional hollow main shaft is connected with a hydraulic ratchet power device 16; the sectional hollow main shaft 3 is formed by connecting three sections of hollow shafts with different diameters through flange couplings, the diameters of the hollow shafts are sequentially increased from top to bottom, and spiral auger type blade surfaces 11 are uniformly distributed on each section; the upper surface of the spiral auger type blade surface 11 is distributed with a wedge-shaped scraper 6, a reinforcing rib 13 is welded below to share the axial load, and the bottom end is fixed with a brush plate 14 vertical to the ground; the wedge-shaped scraper 6 and the reinforcing rib 13 are both in a hollow design, and oxygen outlet channels are arranged on the cutting surface of the wedge-shaped scraper 6 and the two sides of the reinforcing rib 13 and are communicated with the sectional hollow main shaft. The brush plate 14 is fixed at the tail end of the spiral auger type blade surface 11 and rotates along with the sectional type hollow main shaft 3, so that clinker at the bottom of the tank body is brushed into an outlet and falls to the discharging device 15;
the bottom of the sectional type hollow main shaft 3 is also connected with an air inlet fan, and when the sectional type hollow main shaft works, the air inlet fan introduces oxygen into the sectional type hollow main shaft 3 and blows the oxygen out from the pore canals of the wedge-shaped scraper 6 and the reinforcing ribs 13; a plurality of temperature sensors 8 are further installed at different positions of the axial outer surface of the sectional type hollow main shaft 3 and used for monitoring the temperature change of materials in the fermentation process in real time, so that the aeration amount can be adjusted in time, and the intellectualization of aerobic fermentation is realized.
The working principle is as follows: during specific implementation, the organic waste with the temperature and humidity adjusted is put into the material hopper 1, the material hopper 1 is lifted to the top of the fermentation tank through the lifting mechanism 4, and the material falls into the spiral auger type leaf surface 11 on the top through the feeding port 7. The hydraulic ratchet power device 16 drives the sectional type hollow main shaft 3 to rotate slowly and stably, relative displacement is generated between the input organic waste and the spiral auger type blade surface 11 slowly, the wedge-shaped scrapers 6 distributed on the spiral auger type blade surface 11 can play a role in pushing materials, and the materials move to the bottom slowly. The sectional type hollow main shaft 3 is formed by connecting three sections of hollow shafts with diameters sequentially increased from top to bottom through couplings, and aims to ensure the bearing strength of the main shaft. A plurality of temperature sensors 8 are further arranged on the sectional type hollow main shaft 3 to monitor the temperature of the materials in real time. When the temperature sensor 8 monitors that the temperature of the material is too low, the air inlet fan can be triggered to introduce hot air to adjust the temperature of the material, the hot air starts from the bottom of the sectional type hollow main shaft 3 and is blown out from air holes in the cutting surface of the wedge-shaped scraper 6 and air holes in the two sides of the reinforcing ribs 13, the temperature can be adjusted in the process, the dissolved oxygen of the material in the aerobic fermentation process is increased, and the aerobic fermentation process is accelerated. The middle part of the fermentation tank is a theoretical peak area of aerobic fermentation. Along with the gradual movement of the organic waste materials to the bottom, the aerobic fermentation speed is gradually slowed down, and the materials are gradually fermented and matured. The concentration of the fermentation gas in the tank gradually increases. Through fermentation gas concentration sensor 10 and pressure sensor 12, the cooperation air inlet exhaust system can collect fermentation gas through exhaust fan 9, the inside pressure of equilibrium. When the organic waste moves and falls to the bottom plane at the bottom end of the spiral auger type leaf surface 11, the material after fermentation is pushed to an outlet by the brush plate 14 and falls into the discharging device 15 to be conveyed out of the fermentation tank.
In the whole fermentation process, the spiral auger type leaf surfaces 11 increase the contact area of the materials and oxygen by laying the materials; the sectional hollow main shaft 3, the air holes in the reinforcing ribs 13 and the air holes in the wedge-shaped scraper 6 further enable oxygen to be fully mixed with the materials and adjust the fermentation temperature of the materials. The utility model discloses accomplish the purpose of increase material dissolved oxygen volume high-efficiently, avoided anaerobic fermentation's production effectively, solved in the general fermentation cylinder local anaerobic fermentation and influenced the problem of aerobic fermentation result quality.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, the numerical terms "two", "three", etc. and their variations are used only for describing the present invention in conjunction with the accompanying figure 1, and the actual number is not limited to the corresponding numerical terms herein. Meanwhile, in the drawings of the present invention, the filling pattern is only for distinguishing different devices, and is not limited to any other. Finally, the above description is only a partial embodiment of the present invention, and for those skilled in the art, a plurality of improvements can be made without departing from the principles of the present invention, and these improvements should be regarded as the protection scope of the present invention.
Claims (1)
1. A high-efficiency oxygen dissolving device for an aerobic fermentation tank mainly comprises a sectional hollow main shaft (3), a main shaft fixing frame (5), a spiral auger type blade surface (11), a hydraulic ratchet wheel power device (16), an air inlet and exhaust system, a sensing system, a material lifting device, a discharging device (15) and a tank body shell (17) in an auxiliary manner; the air inlet and exhaust system comprises an air inlet fan and an exhaust fan (9); the sensing system comprises a pressure sensor (12), a fermentation gas concentration sensor (10) and a temperature sensor (8); the material lifting device comprises a material hopper (1) and a lifting mechanism (4); it is characterized in that a main shaft fixing frame (5) is arranged; the main shaft fixing frame (5) is parallel to the ground and concentrically fixed at the top in the tank shell (17); the geometric center of the main shaft fixing frame (5) is provided with a coupling which is connected with the sectional hollow main shaft (3);
the tank body shell (17) is formed by stacking four layers of components; the top of the tank shell (17) is provided with a fermentation tank feeding port (7) and an exhaust fan (9); a material hopper (1) and a lifting mechanism (4) are arranged on the outer side of the tank body shell (17), and three inspection ports (2) are arranged on the outer side of the tank body shell (17); a fermentation gas concentration sensor (10) and a pressure sensor (12) are arranged on the inner wall of the tank body shell (17) from top to bottom, and an opening is formed in the bottom of the inner wall to facilitate discharging of a discharging device (15);
the sectional type hollow main shaft (3) is vertical to the ground, the upper part of the sectional type hollow main shaft is concentrically connected with a main shaft fixing frame (5), and the lower part of the sectional type hollow main shaft is connected with a hydraulic ratchet power device (16); the sectional hollow main shaft (3) is formed by connecting three sections of hollow shafts with different diameters through flange couplings, the diameters of the hollow shafts are sequentially increased from top to bottom, and spiral auger type blade surfaces (11) are uniformly distributed on each section; wedge-shaped scrapers (6) are distributed on the upper surface of the spiral auger type blade surface (11), reinforcing ribs (13) are welded below the spiral auger type blade surface to share axial load, and a brush plate (14) vertical to the ground direction is fixed at the bottom end of the spiral auger type blade surface; the interior of each of the wedge-shaped scraper (6) and the reinforcing rib (13) is hollow and provided with an oxygen outlet channel which is communicated with the sectional hollow main shaft (3), wherein the oxygen outlet channel of the wedge-shaped scraper (6) is positioned on the vertical cutting surface of the wedge-shaped scraper, and the oxygen outlet channels of the reinforcing rib (13) are positioned on the two sides of the wedge-shaped scraper; the brush plate (14) rotates along with the sectional hollow main shaft (3) to brush the clinker at the bottom of the tank body into the outlet and fall to the discharging device (15);
the bottom of the sectional type hollow main shaft (3) is also connected with an air inlet fan, and when the sectional type hollow main shaft works, oxygen is introduced into the sectional type hollow main shaft (3) by the air inlet fan and is blown out from pore channels of the wedge-shaped scraper blade (6) and the reinforcing rib (13); a plurality of temperature sensors (8) are further installed at different positions of the axial surface of the sectional type hollow main shaft (3) and used for monitoring the temperature change of materials in the fermentation process in real time, so that the aeration amount can be adjusted in time, and the intellectualization of aerobic fermentation is realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120537227.5U CN215250872U (en) | 2021-03-15 | 2021-03-15 | A high-efficient dissolved oxygen device for aerobic fermentation jar |
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| CN202120537227.5U CN215250872U (en) | 2021-03-15 | 2021-03-15 | A high-efficient dissolved oxygen device for aerobic fermentation jar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583851A (en) * | 2022-09-30 | 2023-01-10 | 鹤壁东海生物科技有限公司 | Automatic control-based flow type aerobic fermentation tank and aerobic fermentation method |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583851A (en) * | 2022-09-30 | 2023-01-10 | 鹤壁东海生物科技有限公司 | Automatic control-based flow type aerobic fermentation tank and aerobic fermentation method |
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