Biological fermentation device with multiple stirring shafts
Technical Field
The utility model relates to a fermentation engineering equipment technical field, concretely relates to biological fermentation device of many (mixing) shafts.
Background
The biological fermentation engineering refers to a technology which adopts engineering technical means and utilizes certain functions of organisms (mainly microorganisms) and active isolated enzymes to produce useful biological products for human beings or directly uses the microorganisms to participate in controlling certain industrial production processes. The fermentation of yeast is well known to be used for producing beer, fruit wine, industrial alcohol, the fermentation of lactic acid bacteria is used for producing cheese and yoghurt, the mass production of penicillin and the like by using fungi is an example in this respect, a fermentation device is required to be used for fully stirring and mixing a fermented product, a microbial liquid or an active in-vitro enzyme and other substances which are sent into a fermentation tank in the biological fermentation process for fully contacting the microbial or the active in-vitro enzyme with the fermented product, so that the fermentation efficiency is improved, the generation of byproducts is reduced, the reaction is more thorough, most of the existing fermentation devices stir the fermented product by a single stirring shaft, and thus the problems of low fermentation efficiency and incomplete fermentation exist; therefore, the biological fermentation device with the multiple stirring shafts, which improves the stirring efficiency, has great practical value.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problems in the prior art and providing a biological fermentation device with a plurality of stirring shafts.
The utility model provides a biological fermentation device with multiple stirring shafts, which comprises
The fermentation tank comprises a fermentation tank body, wherein a top cover is arranged at the upper opening end of the fermentation tank body, a fixing plate with sieve holes is arranged inside the fermentation tank body, and the bottom of the fixing plate is fixed through a supporting piece fixed on the fermentation tank body;
the motor is arranged at the top of the top cover and is electrically connected with the power supply through the control switch;
the outer end part of the first longitudinal rotating shaft, which is positioned above the top cover, is fixedly connected with an output shaft of the motor, the bottom of the first longitudinal rotating shaft penetrates through the top cover and the fixing plate to enter the fermentation tank body below the fixing plate and is rotatably connected with the bottom wall of the fermentation tank body, the first longitudinal rotating shaft is provided with a plurality of first stirring blades along the rod length direction of the first longitudinal rotating shaft, and the first longitudinal rotating shaft is further connected with a driving gear in a key mode;
the top of the second longitudinal rotating shaft is movably connected to the bottom of the fixing plate, each second longitudinal rotating shaft is respectively in key connection with a driven gear meshed with the driving gear, a plurality of second stirring blades are arranged on each second longitudinal rotating shaft along the rod length direction of the second longitudinal rotating shaft, and each second stirring blade and each first stirring blade are arranged in a crossed mode;
a support frame for supporting the fermentation tank body
Preferably, the plurality of first agitating blades are each inclined upward along a first longitudinal rotation axis, and the plurality of second agitating blades are each inclined downward along a second longitudinal rotation axis.
Preferably, the inclination angles of the plurality of first stirring blades and the plurality of second stirring blades are each 30 to 60 °.
Preferably, a U-shaped disturbing plate is arranged above the bottom of the fermentation tank body, the horizontal end of the U-shaped disturbing plate is fixed on the first longitudinal rotating shaft, and the vertical end of the U-shaped disturbing plate is positioned at one side of each second longitudinal rotating shaft close to the inner wall of the fermentation tank body and used for removing attachments on the inner wall of the fermentation tank body.
Preferably, a plurality of stirring rods are arranged at equal intervals on the horizontal end of the U-shaped disturbing plate.
Preferably, a rubber plate is arranged at one side, close to the fermentation tank body, of the vertical end of the U-shaped disturbing plate.
Preferably, the second longitudinal rotation axis can be provided on the fixing plate along the outer circumference of the first longitudinal rotation axis.
Preferably, a feeding hopper with a sealing cover is arranged on the fermentation tank body above the fixing plate.
Preferably, the fermentation tank body is provided with a discharge hole with a valve.
Preferably, a sampling port is arranged on the tank body of the fermentation tank.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure and practicality are strong, compare with the fermentation cylinder of single (mixing) shaft through set up first longitudinal rotation axle and a plurality of second longitudinal mixing shaft in the fermentation cylinder, the disturbance degree of material is bigger, and the installation opposite direction of the first stirring vane that sets up on first longitudinal rotation axle and a plurality of second longitudinal mixing shaft and second stirring vane can make the material alternate in the positive and negative direction of first stirring vane and second stirring vane, make the material disturb from top to bottom, the material stirring is more even, the fermentation is more thorough, the direction of rotation of first longitudinal rotation axle and a plurality of second longitudinal rotation axles is opposite simultaneously, also can make the material flow to the reverse direction rotation of second longitudinal rotation axle under the forward rotation of first longitudinal rotation axle drives, realized the material by middle to both sides removal; through setting up U type disturbance board and stirring rod, can increase the disturbance degree of the fermentation cylinder jar body bottom material, also can reduce the material of adhesion at the inner wall of the fermentation cylinder jar body simultaneously, make the material stirring more abundant.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a position relationship diagram of the fixing plate, the first longitudinal rotating shaft and the second longitudinal rotating shaft of the present invention;
fig. 4 is a position relationship diagram of the annular hollow fixing plate and the nozzle of the present invention.
Description of reference numerals:
1. the fermentation tank comprises a fermentation tank body, a top cover, a fixing plate, a motor, a first longitudinal rotating shaft, a first stirring blade, a second stirring blade, a driving gear, a second longitudinal rotating shaft, a driven gear, a second stirring blade, a supporting frame, a U-shaped stirring plate, a stirring rod, a feeding hopper, a discharging port, a gas inlet pipe, a ring-shaped hollow fixing plate, a nozzle, a microbial liquid storage device, a pressurizing pump, a liquid conveying pipe, a controller, a humidity sensor and a controller, wherein the motor is arranged at 4, the first longitudinal rotating shaft is arranged at 5, the first stirring blade is arranged at 6, the driving gear is arranged at 7, the second longitudinal rotating.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, 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.
Examples
As shown in figures 1-4, the utility model provides a multi-stirring shaft biological fermentation device, which comprises a fermentation tank body 1, a gas supply device and a microorganism liquid conveying device, wherein the upper opening end of the fermentation tank body 1 is connected with a top cover 2 in a clamping way, a fixed plate 3 with sieve pores is arranged inside the fermentation tank body 1, the bottom of the fixed plate 2 is fixed by a support piece fixed on the fermentation tank body 1, a motor 4 is arranged on the outer fixed wall of the top cover 2, the motor 4 is electrically connected with a power supply through a control switch, the output shaft of the motor 4 is connected with the end part of a first longitudinal rotating shaft 5 positioned outside the top cover 2 through a shaft coupling, the bottom of the first longitudinal rotating shaft 5 passes through a first through hole of the top cover 2 and a second through hole of the axle wire of the fixed plate 3 to enter the fermentation tank body 1 at the, a plurality of first stirring blades 6 are arranged on the first longitudinal rotating shaft 5 along the rod length direction of the first longitudinal rotating shaft 5, a driving gear 7 is connected to the first longitudinal rotating shaft 5 in a key mode, the driving gear 7 is meshed with a driven gear 9, the driven gear 9 is arranged on a second longitudinal rotating shaft 8, at least one second longitudinal rotating shaft 8 is arranged, the top of the second longitudinal rotating shaft 8 is movably connected to the bottom of the fixing plate 3, a plurality of second stirring blades 10 are arranged on each second longitudinal rotating shaft 8 along the rod length direction of the second longitudinal rotating shaft 8, each second stirring blade 10 is arranged in a crossed mode with each first stirring blade 6, the microbial liquid conveying device comprises a microbial liquid storage device 19, a pressure pump 20 and a liquid conveying pipe 21, the microbial liquid storage device 19 is arranged on the top cover 2 and located behind the motor 4, and a liquid outlet of the microbial liquid storage device 19 is communicated with an inlet of the pressure pump 20, an outlet of the pressure pump 20 is communicated with an annular hollow fixed plate 17 positioned in the fermentation tank body 1 through a liquid conveying pipe 21, a plurality of spray heads 18 are arranged on the bottom wall of the annular hollow fixed plate 17, and the plurality of spray heads 18 correspond to a plurality of liquid outlets arranged at the bottom of the annular hollow fixed plate 17 one by one and are communicated in a sealing manner; the gas supply device comprises an air inlet pipe 16 and an air pump, the air pump is arranged outside the fermentation tank body 1, the gas outlet of the air pump is communicated with one end of the air inlet pipe 16, the other end of the air inlet pipe 16 is arranged in the fermentation tank body 1 above the fixing plate 3 and below the annular hollow fixing plate 17, the humidity sensor 23 is arranged on the fixing plate 3, the controller 22 is arranged on the outer wall of the fermentation tank body 1, the controller 22 is electrically connected with the humidity sensor 23 and the pressure pump 20, and the controller 22, the humidity sensor 23 and the pressure pump 20 are all electrically connected with a power supply; still be equipped with the support frame 11 that is used for carrying out the support to the fermentation cylinder jar body 1 on the 1 outer wall of fermentation cylinder jar body, the fermentation cylinder jar body 1 is the withstand voltage jar body, and is equipped with discharge valve on the fermentation cylinder jar body 1.
In this embodiment, in order to solve the problems of insufficient stirring caused by a single stirring shaft in the fermentation tank in the prior art, long fermentation time and easy generation of byproducts, when the fermentation tank is used, the controller is firstly turned on, the control panel of the controller 22 is provided with a range of humidity value, then the screened materials are cut into reaction materials with certain particle size and sent into the fermentation tank body 1 through the top cover 2, then the control switch of the motor 4 is turned on, the motor 4 rotates to drive the fixed plate 3 connected with the output shaft of the motor 4 to rotate, the driving gear 7 arranged on the first longitudinal rotating shaft 5 below the fixed plate 3 drives the driven gear 9 arranged on the second longitudinal rotating shaft 8 to rotate, and further drives the second longitudinal rotating shaft 8 to rotate reversely, so that the materials can flow to the reverse direction of the second longitudinal rotating shaft 8 to rotate again under the driving of the forward rotation of the first longitudinal rotating shaft 5, the material is moved from the middle to two sides, the disturbance to the material is increased, the first stirring blade 6 on the first longitudinal rotating shaft 5 and the second stirring blade on the second longitudinal rotating shaft 8 are arranged in a cross mode, the disturbance of the material with different reaction heights in the fermentation tank body 1 can be realized, the disturbance of the material in the fermentation tank body 1 can be carried out in all directions, the fermentation efficiency is improved, by-products are reduced, the fermentation reaction is an exothermic reaction, the rapid stirring blades are favorable for reducing the possibility of local overheating of a fermented product, the fermented product is prevented from going bad and the microbial liquid is prevented from losing activity, an air supply device is required to be started while the material in the fermentation tank body 1 is stirred, the air is used for conveying the air to the fermentation tank body 1, the microorganism in the fermentation tank body 1 is rapidly propagated, the fermentation rate is improved, and meanwhile, the humidity is also a key reason for influencing the fermentation efficiency process, when humidity inductor 23 actual measurement is less than the setting value, controller 22 can start force (forcing) pump 20, carry annular hollow fixed plate 17 through transfer line 21 to the liquid that has little microbial inoculum after the dilution in, liquid sprays the material of stirring through the fixed plate 3 that takes the sieve mesh after through the shower nozzle blowout, because the stirring degree of material improves, so can improve material humidity fast, promote the fermentation reaction forward and go on, and controller 22 can control force (forcing) pump 20 and spray gradually.
Further, a plurality of first stirring vane 6 all incline upwards along 5 axes of first longitudinal rotation axle, a plurality of second stirring vane 10 all incline downwards along 8 axes of second longitudinal rotation axle for make the material in first stirring vane and second stirring vane's positive and negative direction in turn, make the material disturb from top to bottom, the material stirring is more even, and the fermentation is more thorough.
Further, the inclination angles of the plurality of first stirring vanes 6 and the plurality of second stirring vanes 10 are each 30 to 60 °, and the degree of stirring is highest in this angle range.
Further, 1 bottom top of the fermentation cylinder jar body is equipped with U type disturbance board 12, the horizontal end of U type disturbance board 12 is fixed on first longitudinal rotation axle 5, the vertical end of U type disturbance board 12 is located the one side of each second longitudinal rotation axle 8 that is close to 1 inner wall of the fermentation cylinder jar body for get rid of the attachment of 1 inner wall of the fermentation cylinder jar body, be used for disturbing the material of 1 diapire of the fermentation cylinder jar body, the vertical end of U type disturbance board 12 can regard as the scraper blade simultaneously, can reduce the material volume of adhesion material at the inner wall of the fermentation cylinder jar body, is favorable to quick fermentation.
Further, the horizontal end of U type disturbance board 12 is equipped with a plurality of puddlers 13 on the equidistant for the material to the fermentation cylinder jar body 1 diapire carries out the disturbance degree.
Further, the second longitudinal rotating shaft 8 can be arranged on the fixing plate 3 along the periphery of the first longitudinal rotating shaft 5, so that the disturbance degree of the fermentation tank body 1 is further improved, and a plurality of second longitudinal rotating shafts 8 with driven gears 9 can be arranged on the periphery of the first longitudinal rotating shaft 5, so that the disturbance degree of the fermentation tank body 1 is improved, and the fermentation efficiency is improved.
Further, the vertical end of U type disturbance board 12 is equipped with the rubber slab near the one side of the fermentation cylinder jar body 1, in order to avoid the vertical end direct action of U type disturbance board 12 to produce the mar on the fermentation cylinder jar body 1 inner wall on the fermentation cylinder jar body 1, influences the life of the fermentation cylinder jar body 1.
Furthermore, a feeding hopper 14 with a sealing cover is arranged on the fermentation tank body 1 above the fixing plate 3, so that fermentation raw materials can be conveniently put into the fermentation tank body 1.
Further, be equipped with the discharge gate 15 of taking the valve on the fermentation cylinder jar body 1, conveniently discharge material.
Further, be equipped with the sample connection on the fermentation cylinder jar body 1, convenient timely sampling detects the fermentation degree of material.
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.