阅读说明：本技术 食品发酵设备及方法 (Food fermentation equipment and method ) 是由 梅红运 周辉 于 2019-12-09 设计创作，主要内容包括：本发明公开了一种食品发酵设备,包括：外罐体,其顶部中心开设有第一通孔,底部中心开设有第二通孔；内罐体,其同轴竖直设置于所述外罐体内；其中,所述外罐体的内底面上同轴连接有推力轴承,所述推力轴承的座片固接在所述外罐体的内底面上,所述推力轴承的轴片固接在所述内罐体的外底面上,所述出料管从所述轴片中心孔穿过,所述轴片下表面同轴连接有一轴筒,所述轴筒穿出所述第二通孔延伸至外罐体外,所述轴筒的下端同轴连接有水平的锥齿环,所述外罐体下方还设置有驱动电机,所述驱动电机的输出轴连接有减速器,所述减速器的输出轴连接有与所述锥齿环啮合的锥形齿轮。本发明能够全方位的搅动发酵罐内的物料,让罐体内的物料发酵程度更加均匀。(The invention discloses a food fermentation device, comprising: the center of the top of the outer tank body is provided with a first through hole, and the center of the bottom of the outer tank body is provided with a second through hole; the inner tank body is coaxially and vertically arranged in the outer tank body; wherein, coaxial coupling has thrust bearing on the interior bottom surface of the outer tank body, thrust bearing's seat piece rigid coupling is in on the interior bottom surface of the outer tank body, thrust bearing's axle piece rigid coupling is in on the outer bottom surface of the inner tank body, the discharging pipe is followed the axle piece centre bore passes, axle piece lower surface coaxial coupling has a shaft section of thick bamboo, the shaft section of thick bamboo is worn out the second through-hole extends to outside the outer tank body, the lower extreme coaxial coupling of shaft section of thick bamboo has the horizontally awl ring gear, outer tank body below still is provided with driving motor, driving motor's output shaft has the reduction gear, the output shaft of reduction gear have with the conical gear of awl ring gear meshing. The fermentation tank can stir materials in the fermentation tank in an all-around manner, so that the fermentation degree of the materials in the tank body is more uniform.)

1. Food fermentation apparatus, characterized in that it comprises:

the outer tank body is vertically arranged, a first through hole is formed in the center of the top of the outer tank body, a second through hole is formed in the center of the bottom of the outer tank body, and a plurality of supporting legs are further arranged at the bottom of the outer tank body;

the inner tank body is coaxially and vertically arranged in the outer tank body, a feed inlet is formed in the center of the top of the inner tank body, a feed pipe is connected outside the feed inlet, the feed pipe upwards penetrates through the first through hole, an upper port of the feed pipe is hinged with a sealing cover, a discharge port is formed in the center of the bottom of the inner tank body, a discharge pipe is connected outside the discharge port, the discharge pipe downwards penetrates through the second through hole, and a lower port of the discharge pipe is connected with a valve;

wherein, coaxial coupling has thrust bearing on the interior bottom surface of the outer jar of body, thrust bearing's seat piece rigid coupling is in on the interior bottom surface of the outer jar of body, thrust bearing's axle piece rigid coupling is in on the outer bottom surface of the inner jar of body, seat piece internal diameter is not less than second through hole diameter, axle piece internal diameter is less than second through hole diameter, the discharging pipe is followed the axle piece centre bore passes, an axle piece lower surface coaxial coupling has a section of thick bamboo, a section of thick bamboo is worn out the second through hole extends to outside the outer jar of body, the lower extreme coaxial coupling of a section of thick bamboo has horizontally awl ring gear, outer jar of body below still is provided with driving motor, driving motor's output shaft has the reduction gear, the output shaft of reduction gear have with awl ring gear meshing's conical gear.

2. The food fermentation equipment of claim 1, wherein a plurality of vertical connecting rods are uniformly arranged on the inner bottom surface of the inner tank body along the edge of the discharge port at intervals, the connecting rods support the same disc, a vertical screw rod is connected to the center of the disc, the rotating direction of the external thread on the screw rod is consistent with the rotating direction of the driving shaft barrel of the driving motor, a rotating sleeve is sleeved outside the screw rod, the inner wall of the rotating sleeve is provided with an internal thread matched with the screw rod, the outer wall of the rotating sleeve is fixedly connected with a plurality of flexible ropes along the circumferential direction, and the tail end of each flexible rope is connected with a spherical counterweight.

3. The food fermentation equipment according to claim 1, wherein a pressure relief hole is formed in the sealing cover, an inverted circular groove is coaxially arranged above the pressure relief hole, the notch of the circular groove is connected to the sealing cover, the inner diameter of the circular groove is larger than the diameter of the pressure relief hole, a circular baffle plate covering the pressure relief hole is arranged in the circular groove, a plurality of first air holes are formed in the circular baffle plate along the circumferential direction, each first air hole is not overlapped with the pressure relief hole, a compression spring is arranged between the circular baffle plate and the circular groove, and a plurality of second air holes are further formed in the bottom of the circular groove.

4. The food fermentation apparatus of claim 1, wherein an annular bottom closure plate is coaxially attached to the inside of the shaft, the bottom closure plate is coplanar with the bottom plate of the outer tank body, the bottom closure plate has an inner diameter equal to an outer diameter of the discharge pipe, and the discharge pipe extends through a central hole of the bottom closure plate.

5. The food fermentation apparatus of claim 1, wherein a plurality of radial bearings are provided between the inner tank and the outer tank from top to bottom.

6. The food fermentation apparatus of claim 5, wherein the gap between the inner and outer tanks except for the plurality of radial bearings is filled with a thermal insulation material.

7. A method of fermenting a food product using the food fermentation apparatus of any one of claims 1 to 6.

Technical Field

The invention relates to the field of fermentation equipment. More particularly, the present invention relates to a food fermentation apparatus and method.

Background

Fermentation refers to a process of preparing a microbial cell itself, or a direct metabolite or a secondary metabolite by the life activity of a microorganism under aerobic or anaerobic conditions, and is sometimes referred to as fermentation, and the definition of fermentation is different according to different occasions.

In traditional food fermentation process, all utilize the fermentation cylinder to put into the material, it waits for the fermentation completion to seal the storage again, in fermentation process, because the temperature in the fermentation chamber is inhomogeneous, peripheral temperature often is less than central temperature (jar wall heat conduction effect), upper portion temperature often is higher than lower part temperature (heat accumulation), consequently some fermentation cylinders still have stirring function, if utilize the internal paddle of jar external motor drive jar to stir the material, but this kind of stirring often can only stir the material at jar body middle part, it is limited to the material influence that is close to jar wall, the effect of mixing of upper portion material and lower part material is limited simultaneously.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

Still another object of the present invention is to provide a food fermentation apparatus and method, which can stir the materials in the fermentation tank in all directions, so that the fermentation degree of the materials in the tank is more uniform.

To achieve these objects and other advantages in accordance with the present invention, there is provided a food fermentation apparatus, comprising:

the outer tank body is vertically arranged, a first through hole is formed in the center of the top of the outer tank body, a second through hole is formed in the center of the bottom of the outer tank body, and a plurality of supporting legs are further arranged at the bottom of the outer tank body;

the inner tank body is coaxially and vertically arranged in the outer tank body, a feed inlet is formed in the center of the top of the inner tank body, a feed pipe is connected outside the feed inlet, the feed pipe upwards penetrates through the first through hole, an upper port of the feed pipe is hinged with a sealing cover, a discharge port is formed in the center of the bottom of the inner tank body, a discharge pipe is connected outside the discharge port, the discharge pipe downwards penetrates through the second through hole, and a lower port of the discharge pipe is connected with a valve;

wherein, coaxial coupling has thrust bearing on the interior bottom surface of the outer jar of body, thrust bearing's seat piece rigid coupling is in on the interior bottom surface of the outer jar of body, thrust bearing's axle piece rigid coupling is in on the outer bottom surface of the inner jar of body, seat piece internal diameter is not less than second through hole diameter, axle piece internal diameter is less than second through hole diameter, the discharging pipe is followed the axle piece centre bore passes, an axle piece lower surface coaxial coupling has a section of thick bamboo, a section of thick bamboo is worn out the second through hole extends to outside the outer jar of body, the lower extreme coaxial coupling of a section of thick bamboo has horizontally awl ring gear, outer jar of body below still is provided with driving motor, driving motor's output shaft has the reduction gear, the output shaft of reduction gear have with awl ring gear meshing's conical gear.

Preferably, follow on the interior bottom surface of the inner tank body the even spaced many connecting rods in discharge gate edge, many connecting rods support there is same disc, the center of disc is connected with vertical screw rod, the external screw thread revolves to unanimous with revolving of driving motor drive shaft section of thick bamboo on the screw rod, the screw rod overcoat is equipped with rotatory sleeve, rotatory sleeve inner wall be provided with the internal thread that the screw rod matches, rotatory sleeve outer wall has many flexible ropes along the circumference rigid coupling, and the end-to-end connection of each flexible rope has a spherical counterweight.

Preferably, the sealing cover is provided with a pressure relief hole, a round groove with an inverted buckle is coaxially arranged above the pressure relief hole, the notch of the round groove is connected to the sealing cover, the inner diameter of the round groove is larger than the diameter of the pressure relief hole, a circular baffle for covering the pressure relief hole is arranged in the round groove, the circular baffle is provided with a plurality of first air holes along the circumferential direction, each first air hole is not overlapped with the pressure relief hole, a compression spring is arranged between the circular baffle and the round groove, and the bottom of the round groove is further provided with a plurality of second air holes.

Preferably, an annular sealing bottom plate is coaxially connected in the shaft barrel, the sealing bottom plate is coplanar with the bottom plate of the outer tank body, the inner diameter of the sealing bottom plate is the same as the outer diameter of the discharge pipe, and the discharge pipe penetrates out of a center hole of the sealing bottom plate.

Preferably, a plurality of radial bearings are arranged between the inner tank body and the outer tank body from top to bottom.

Preferably, the gap between the inner tank and the outer tank except for the radial bearings is filled with a heat insulating material.

The invention also provides a method for fermenting food by using the food fermentation equipment.

The invention at least comprises the following beneficial effects: the inner tank body can be driven to rotate through the motor, so that materials in the tank body are driven to integrally rotate and stir, and compared with the traditional mode that blades extend into the tank body for stirring, the stirring device can better mix and exchange positions between the materials at the periphery of the fermentation tank and the materials at the middle part, so that the temperature in the tank body is uniform, and the fermentation effect is uniform. Simultaneously, because the rotation of the inner tank body can also drive the spherical counterweight to rotate, and then the rotating sleeve slowly rises around the screw rod, so that the upper material and the lower material in the fermentation tank can be stirred. Through setting up parts such as pressure release hole, circular baffle, can be when jar internal gas pressure is too high, the automatic circular baffle of back-opening of jar internal gas carries out the pressure release, guarantees fermentation process's safety.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic side view of one embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a according to an embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 2, the present invention provides a food fermentation apparatus, comprising:

the tank comprises an outer tank body 1 which is vertically arranged, wherein a first through hole is formed in the center of the top of the outer tank body 1, a second through hole is formed in the center of the bottom of the outer tank body 1, and a plurality of supporting legs 2 are further arranged at the bottom of the outer tank body 1;

an inner tank body 3 which is coaxially and vertically arranged in the outer tank body 1, a feed inlet is arranged at the center of the top of the inner tank body 3, a feed pipe 4 is connected outside the feed inlet, the feed pipe 4 penetrates out of the first through hole upwards, here, a radial bearing can be arranged between the feeding pipe 4 and the first through hole, which can play a role of righting and can reduce the friction between the feeding pipe 4 and the first through hole, the upper port of the feeding pipe 4 is hinged with a sealing cover 5, here, the upper port of the feeding pipe 4 is arranged in a funnel shape to facilitate feeding, and the sealing cover 5 is connected with the upper port of the feeding pipe 4 in a sealing manner in the prior art, so that the detailed description is omitted, a discharge hole is arranged at the center of the bottom of the inner tank body 3, a discharge pipe 6 is connected outside the discharge hole, the discharge pipe 6 penetrates out of the second through hole downwards, and a valve 7 is connected to the lower port of the discharge pipe 6;

wherein, the inner bottom surface of the outer tank body 1 is coaxially connected with a thrust bearing 8, a seat plate 801 of the thrust bearing 8 is fixedly connected on the inner bottom surface of the outer tank body 1, the shaft piece 802 of the thrust bearing 8 is fixedly connected on the outer bottom surface of the inner tank body 3, the inner diameter of the seat piece 801 is not less than the diameter of the second through hole, the inner diameter of the shaft piece 802 is smaller than the diameter of the second through hole, the discharge pipe 6 penetrates through the central hole of the shaft piece 802, the lower surface of the shaft piece 802 is coaxially connected with a shaft barrel 9, the shaft barrel 9 penetrates through the second through hole and extends to the outside of the outer tank body 1, the lower end of the shaft cylinder 9 is coaxially connected with a horizontal bevel gear ring 10, a driving motor 11 is also arranged below the outer tank body 1, an output shaft of the driving motor 11 is connected with a speed reducer 12, and an output shaft of the speed reducer 12 is connected with a bevel gear 13 engaged with the bevel gear ring 10.

In the food fermentation equipment, the sealing cover 5 can be provided with parts such as a barometer, a thermocouple thermometer and the like, and the parts are common parts on the existing fermentation tank, so the details are not described.

In the use process of the embodiment, after the strains and the materials to be fermented are poured into the feeding pipe 4, the sealing cover 5 is closed, after the fermentation process lasts for a period of time, the driving motor 11 can be started, the inner tank body 3 can be driven to rotate through the driving motor 11, and then the materials in the tank body are driven to integrally rotate and stir.

In another embodiment, follow on the interior bottom surface of inner tank body 3 the even spaced many connecting rods 14 that are equipped with in discharge gate edge, like this the clearance between connecting rod 14 and the connecting rod 14 can contain the material and get into discharging pipe 6, many connecting rods 14 support there is same disc 15, the center of disc 15 is connected with vertical screw rod 16, the external screw thread revolves to be unanimous with the revolve of driving motor 11 drive beam barrel 9 on the screw rod 16, the screw rod 16 overcoat is equipped with rotatory sleeve 17, rotatory sleeve 17 inner wall be provided with the internal thread that the screw rod 16 matches, rotatory sleeve 17 outer wall has many flexible ropes 18 along circumference rigid coupling, and the end-to-end connection of each flexible rope 18 has a spherical counterweight 19.

In the use process of the embodiment, because friction exists between the screw rod 16 and the rotating sleeve 17, the rotation of the inner tank body 3 can also drive the rotating sleeve 17 to rotate, and then the spherical weight 19 rotates, the torque generated by the spherical weight 19 can enable the rotating sleeve 17 to slowly rise around the screw rod 16, and thus the upper-layer material and the lower-layer material in the fermentation tank can be stirred, so that the temperature of the upper part and the lower part in the tank body is uniform, and the fermentation effect is uniform.

In another embodiment, the sealing cover 5 is provided with a pressure relief hole 20, an inverted circular groove 21 is coaxially arranged above the pressure relief hole 20, a notch of the circular groove 21 is connected to the sealing cover 5, an inner diameter of the circular groove 21 is larger than a diameter of the pressure relief hole 20, a circular baffle 22 covering the pressure relief hole 20 is arranged in the circular groove 21, the circular baffle 22 is circumferentially provided with a plurality of first air holes 23, each first air hole 23 is not overlapped with the pressure relief hole 20, a compression spring 24 is arranged between the circular baffle 22 and the circular groove 21, and a plurality of second air holes 25 are further formed in the bottom of the circular groove 21.

In the use process of the embodiment, the pressure relief hole 20, the circular baffle 22 and other parts are arranged, so that when the air pressure in the tank body is too high, the high-pressure air in the tank can automatically open the circular baffle 22 to relieve the pressure, and the safety of the fermentation process is ensured.

In another embodiment, an annular bottom sealing plate 26 is coaxially connected in the shaft barrel 9, the bottom sealing plate 26 is coplanar with the bottom plate of the outer tank body 1, the inner diameter of the bottom sealing plate 26 is the same as the outer diameter of the discharge pipe 6, and the discharge pipe 6 penetrates through the central hole of the bottom sealing plate 26, so that the heat in the tank can be further prevented from dissipating from the wall plate of the inner tank body 3 in the shaft barrel 9, and the temperature difference in the inner tank body 3 is reduced.

In another embodiment, a plurality of radial bearings 27 are arranged between the inner tank 3 and the outer tank 1 from top to bottom, so that the inner tank 3 is not easy to eccentrically rotate, and the inner tank 3 is prevented from colliding with the outer tank 1.

In another embodiment, the gap between the inner tank 3 and the outer tank 1 except for the radial bearings 27 is filled with thermal insulation material, which further reduces the heat dissipation in the inner tank 3.

The invention also provides a method for fermenting food by using the food fermentation equipment.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.