CN218174848U - Stirring air supply device for high-temperature aerobic fermentation - Google Patents
Stirring air supply device for high-temperature aerobic fermentation Download PDFInfo
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- CN218174848U CN218174848U CN202222281078.8U CN202222281078U CN218174848U CN 218174848 U CN218174848 U CN 218174848U CN 202222281078 U CN202222281078 U CN 202222281078U CN 218174848 U CN218174848 U CN 218174848U
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- stirring
- air
- stirring shaft
- scraper
- air inlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The utility model discloses a stirring air feeder for high temperature aerobic fermentation belongs to high temperature fermentation equipment field. The stirring and air feeding device for high-temperature aerobic fermentation comprises a stirring shaft which is of a hollow structure; the stirring paddles are multiple and are fixed on the outer peripheral wall of the stirring shaft, each stirring paddle comprises a triangular supporting part and a flexible scraper, the flexible scrapers are fixed at the tail ends of the triangular supporting parts, vent holes communicated with the stirring shaft are formed in the stirring paddles, and the vent holes are formed in the side faces, close to the stirring shaft, of the triangular supporting parts; and the air compressor is connected with the air inlet end of the stirring shaft through an air inlet pipeline, and the air inlet pipeline is rotationally connected with the air inlet end of the stirring shaft. The utility model discloses a stirring air supply unit for high temperature aerobic fermentation compensates material fermentation in-process jar body oxygen consumption, can prevent that material impurity from plugging up the air vent, and avoids the material adhesion at the fermentation cylinder inner wall through flexible scraper blade.
Description
Technical Field
The utility model relates to a high temperature fermentation equipment field, concretely relates to a stirring air supply device for high temperature aerobic fermentation.
Background
The livestock and poultry manure contains abundant protein, crude fat, carbohydrate, mineral elements, nitrogen, phosphorus, potassium and other nutrient substances, the straw contains a large amount of cellulose, hemicellulose and lignin, and the organic fertilizer prepared by mixing the livestock and poultry manure and the straw through high-temperature fermentation can improve the current pollution situation, realize high-value utilization of the livestock and poultry manure and the straw and achieve the aim of killing two birds with one stone. The method for treating livestock manure and straws by adopting the high-temperature aerobic fermentation tank is a hot point of research in recent years, and compared with the traditional composting method, the method has the advantages of high fermentation efficiency, short time, difficulty in being influenced by environmental factors, stable product quality and the like.
The existing fermentation tank has the condition that materials are easy to stick to walls when the livestock and poultry manure and straws are treated, and the materials are accumulated more and become very hard along with the stirring. The anaerobic condition appears owing to lacking oxygen to this part material, makes jar interior production foul smell, causes very big influence to environment and jar interior safety problem. The material is caused to adhere to the wall because a certain distance exists between the stirring paddles of the existing fermentation tank, so that the tank wall at the section cannot be contacted with the stirring paddles, and the material is caused to adhere. In addition, in the prior art, the air is fed into the fermentation tank by a blower to supply oxygen, but the air is difficult to uniformly enter the materials; the stirring paddle is also used for opening the air hole to supply air, but the air hole is easily blocked by materials to cause insufficient oxygen supply.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a stirring air supply device for high-temperature aerobic fermentation.
The utility model provides a stirring air supply device for high-temperature aerobic fermentation, which comprises a stirring shaft, wherein the stirring shaft is of a hollow structure;
the stirring device comprises a stirring shaft, a plurality of stirring paddles and a flexible scraper blade, wherein the stirring paddles are fixed on the peripheral wall of the stirring shaft and each stirring paddle comprises a triangular supporting part and a flexible scraper blade, the flexible scraper blade is fixed at the tail end of the triangular supporting part, the stirring paddles are provided with vent holes communicated with the stirring shaft, and the vent holes are formed in the side faces, close to the stirring shaft, of the triangular supporting parts;
and the air compressor is connected with the air inlet end of the stirring shaft through an air inlet pipeline, and the air inlet pipeline is rotationally connected with the air inlet end of the stirring shaft.
Preferably, the flexible scraper is made of a polytetrafluoroethylene material.
Preferably, the scraper device further comprises a scraper back plate, the scraper back plate is fixed at the tail end of the triangular supporting portion, the flexible scraper is fixedly connected with the scraper back plate through bolts, and the edge of the flexible scraper is wider than the scraper back plate.
Preferably, the edge of the flexible squeegee is 1-1.5cm wider than the squeegee back plate.
Preferably, the air inlet pipeline is connected with the stirring shaft through a pneumatic rotary joint.
Preferably, the pneumatic rotary joint is connected with the fermentation tank through a bracket.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an air compressor squeezes into the stirring rake with highly-compressed air through stirring rake air supply line in, and the paddle that highly-compressed air passes through in the stirring rake flows along the air vent, and the paddle structure of attaching on the back in addition can rotate the time with the help of the paddle with the material cavity body that forms, further with air vent spun highly-compressed air and material homogeneous mixing, effectively compensate the consumption of material fermentation in-process oxygen then.
The utility model discloses a paddle can be in the back vacuole formation form of seting up the air vent paddle when contacting with the material, and the paddle back material is further strikeed from air vent spun highly-compressed air in addition to effectively reduce the problem that the material blockked up the air vent.
The utility model discloses flexible scraper blade is when meetting hard thing that can't scrape down (very little probability, belong to extreme condition), because polytetrafluoroethylene scraper blade itself belongs to flexible material, can cross hard thing, prevents to take place the condition that the scraper blade card is dead and damage the paddle, and hard thing under this kind of condition needs the manual work to be scraped.
The utility model discloses the pneumatic rotary joint who connects air supply pipeline and (mixing) shaft can cooperate fixed air supply pipeline and pivoted (mixing) shaft to rotate, and keeps the gas circuit sealed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the stirring shaft and the stirring paddle of the present invention;
FIG. 3 is a schematic view of the gas connection structure of the stirring shaft and the stirring paddle of the present invention;
fig. 4 is a partial enlarged view of the present invention.
Description of reference numerals:
1. the device comprises a stirring shaft, 2 stirring paddles, 21 vent holes, 3 triangular supporting parts, 4 flexible scrapers, 5 air compressors, 6 air inlet pipelines, 7 scraper back plates, 8 pneumatic rotary joints and 9 brackets.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying fig. 1-4, but it should be understood that the scope of the present invention is not limited by the following detailed description. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a stirring air supply device for high-temperature aerobic fermentation, which comprises a stirring shaft 1, which is a hollow structure;
a plurality of stirring paddles 2 are fixed on the outer peripheral wall of the stirring shaft 1, each stirring paddle 2 comprises a triangular supporting part 3 and a flexible scraper 4, the flexible scraper 4 is fixed at the tail end of the triangular supporting part 3, the stirring paddles 2 are provided with vent holes 21 communicated with the stirring shaft 1, and the vent holes 21 are arranged on the side surfaces, close to the stirring shaft 1, of the triangular supporting parts 3;
the air compressor 5 is connected with the air inlet end of the stirring shaft 1 through an air inlet pipeline 6, and the air inlet pipeline 6 is rotatably connected with the air inlet end of the stirring shaft 1. The utility model discloses compensate among the material fermentation process jar body oxygen consumption, air compressor squeezes into the stirring rake with high-pressure air through stirring rake gas supply line in, and high-pressure air flows along the air vent through the paddle in the stirring rake, thereby finally gets into and supply oxygen in the material.
The utility model discloses an air vent 21 intercommunication that sets up on (mixing) shaft 1 hollow structure and the stirring rake 2 can carry the high-pressure gas that air compressor produced to air vent 21 department and fully contact with the material.
The utility model discloses a back of body attaches formula ventilation paddle structure can be with the help of the paddle when rotating with the cavity body that the material formed, air vent 21 spun air can be better with the material homogeneous mixing, then effectively compensate the consumption of material fermentation in-process oxygen.
The utility model discloses can prevent that material impurity from plugging up air vent 21. When 2 anticlockwise rotations stirring materials of stirring rake, owing to set up air vent 21, be triangle slope form with the paddle part structural design of stirring rake 2, air vent 21 is seted up at the triangle structure back, can be in the back formation cavity form of seting up air vent 21 paddle when the paddle contacts with the material, and the blade back material is further impacted to the high-pressure air from air vent 21 spun in addition to effectively reduce the problem that the material blockked up the air vent.
The utility model discloses a flexible scraper blade 4 can scrape out the inner wall adhesion material of fermentation cylinder, avoids the material adhesion on the jar wall, can warp after meetting hard thing simultaneously again, prevents that the scraper blade from taking place the card and dies, avoids causing scraper blade and paddle to damage simultaneously.
Further, the flexible squeegee 4 is made of a polytetrafluoroethylene material.
Further, the scraper back plate 7 is further included, the scraper back plate 7 is fixed at the tail end of the triangular supporting portion 3, the flexible scraper 4 is fixedly connected with the scraper back plate 7 through bolts, and the edge of the flexible scraper 4 is wider than the scraper back plate 7. The flexible scraper 4 is supported by the scraper back plate 7, so that the sliding of the flexible scraper is avoided.
Further, the edge of the flexible squeegee 4 is 1 to 1.5cm wider than the squeegee back plate 7.
The flexible scraper of the utility model mainly comprises the tail end of the stirring paddle, the polytetrafluoroethylene scraper and the scraper fixing back plate, and is provided with a scraper fixing bolt, and the width of the fixed polytetrafluoroethylene scraper is 1-1.5cm wider than that of the scraper fixing back plate. Because the polytetrafluoroethylene is softer and has a self-lubricating effect, when the polytetrafluoroethylene is in contact with the pipe wall, the polytetrafluoroethylene has stronger wear resistance, and the service life of the flexible scraper can be prolonged. The scraper fixing back plate is used for fixing the polytetrafluoroethylene scraper and preventing the fixed polytetrafluoroethylene scraper from moving randomly. Very little probability when meetting hard thing that can't scrape belongs to extreme condition, because polytetrafluoroethylene scraper blade itself belongs to flexible material, can cross hard thing, prevents to take place the scraper blade card and dies and damage the condition of paddle, and hard thing needs the manual work to be scraped down in this kind of condition.
Further, an air inlet pipeline 6 is connected with the stirring shaft 1 through a pneumatic rotary joint 8. The utility model discloses connect the pneumatic rotary joint of air supply pipeline and (mixing) shaft is the prior art who adopts mechanical seal, and the fixed air supply pipeline of cooperation and pivoted (mixing) shaft 1 rotate, and keep the gas circuit sealed. Wherein, (mixing) shaft 1's bottom can be connected with servo motor output shaft, by servo motor drive, and its rotational speed is adjusted and is controlled by servo motor speed reducer, all belongs to prior art, and the no longer repeated here.
Further, a pneumatic rotary joint 8 is connected with the fermentation tank through a bracket 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A stirring air supply device for high-temperature aerobic fermentation, which is characterized in that,
the stirring shaft (1) is of a hollow structure;
a plurality of stirring paddles (2) are fixed on the outer peripheral wall of the stirring shaft (1), each stirring paddle (2) comprises a triangular supporting part (3) and a flexible scraper (4), the flexible scraper (4) is fixed at the tail end of the triangular supporting part (3), a vent hole (21) communicated with the stirring shaft (1) is formed in each stirring paddle (2), and the vent holes (21) are formed in the side face, close to the stirring shaft (1), of the triangular supporting part (3);
the air compressor (5) is connected with the air inlet end of the stirring shaft (1) through an air inlet pipeline (6), and the air inlet pipeline (6) is rotatably connected with the air inlet end of the stirring shaft (1).
2. The agitator gas-feeding device for high-temperature aerobic fermentation according to claim 1, wherein the flexible scraper (4) is made of a teflon material.
3. The stirring gas supply device for the high-temperature aerobic fermentation according to claim 2, further comprising a scraper back plate (7), wherein the scraper back plate (7) is fixed at the end of the triangular support part (3), the flexible scraper (4) is fixedly connected with the scraper back plate (7) through bolts, and the edge of the flexible scraper (4) is wider than the scraper back plate (7).
4. The agitator gas-feeding device for high-temperature aerobic fermentation according to claim 1, wherein the edge of the flexible scraper (4) is wider than the scraper back plate (7) by 1 to 1.5cm.
5. The stirring and air feeding device for high-temperature aerobic fermentation according to claim 1, wherein the air inlet pipe (6) is connected with the stirring shaft (1) through a pneumatic rotary joint (8).
6. The stirring and air-feeding device for high-temperature aerobic fermentation according to claim 5, wherein the pneumatic rotary joint (8) is connected to the fermentation tank through a bracket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281078.8U CN218174848U (en) | 2022-08-30 | 2022-08-30 | Stirring air supply device for high-temperature aerobic fermentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281078.8U CN218174848U (en) | 2022-08-30 | 2022-08-30 | Stirring air supply device for high-temperature aerobic fermentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218174848U true CN218174848U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222281078.8U Active CN218174848U (en) | 2022-08-30 | 2022-08-30 | Stirring air supply device for high-temperature aerobic fermentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218174848U (en) |
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2022
- 2022-08-30 CN CN202222281078.8U patent/CN218174848U/en active Active
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