CN209292331U - A kind of fermentor for food fermentation - Google Patents

Abstract

The utility model provides a fermentation tank for food fermentation, which comprises a tank body, a filter device is arranged at the upper end of the tank body, a connecting pipe arranged at the lower end of the filtering device is inserted into the tank body, and an L-shaped connecting pipe is connected at the lower end of the connecting pipe. The vertical end of the connecting pipe is located at the lower end of the stirring blade of the stirring device. Compared with the prior art, the beneficial effect of the utility model is that the external air is directly discharged to the bottom of the tank through the connecting pipe and the L-shaped connecting pipe after being filtered by the filtering device. Improve the dissolved oxygen of the fermentation liquid, ensure the growth of microorganisms in the fermentation liquid, and prevent bacterial impurities from entering the tank. Under the action of the rotation of the stirring blade, it can improve the fermentation efficiency and shorten the fermentation time, and under the agitation of the stirring blade, the L-shaped The air bubbles discharged from the connecting pipe will be broken to further increase the dissolved oxygen in the tank.

Description

A fermenter for food fermentation

technical field

The utility model relates to the technical field of food fermentation, in particular to a fermenter for food fermentation.

Background technique

Fermentation refers to the process in which people use the life activities of microorganisms under aerobic or anaerobic conditions to prepare microbial cells themselves, or direct metabolites or secondary metabolites. Fermentation is sometimes also written as fermentation, and its definition varies depending on the application occasion. different. The so-called fermentation usually refers to a certain decomposition process of organisms for organic matter;

Fermentation is divided into aerobic fermentation and anaerobic fermentation. Aerobic fermentation is aerobic fermentation. Simply put, microbial strains need oxygen to ferment. Anaerobic fermentation is the process of alcoholic fermentation of sugars under anaerobic conditions. In the process of aerobic fermentation of food, it is necessary to provide sufficient oxygen for microorganisms for aerobic respiration, but the current aerobic fermentation is mainly open fermentation, which makes the fermentation liquid directly contact with the air, but this method will only make the fermentation liquid The oxygen concentration in the upper layer increases, while the oxygen content in the middle and lower layers of the fermentation broth is still low, which is not conducive to the growth of microbial strains, and this open fermentation method is also likely to lead to the growth of bacteria in the fermentation broth, resulting in the deterioration of the fermentation broth , affect the safety of food, for this reason, a kind of fermenter for food fermentation is proposed.

Contents of the invention

In view of this, the utility model proposes a fermenter for food fermentation, and provides a fermenter that can rapidly increase the oxygen concentration in the fermentation liquid.

The technical scheme of the utility model is realized in the following way: a fermenter for food fermentation includes a tank body, a filter device is installed on the upper end of the tank body, the filter device can filter dust and impurities, and the input of the filter device An air intake pipe is installed at the end, and the air intake pipe can be externally connected to an air pump for supplying air to the tank. The output end of the filter device is equipped with an upper end of a connecting pipe, and the lower end of the connecting pipe is vertically inserted into the tank, and the connecting pipe The lower end is located at the bottom of the tank body, and the horizontal ends of four L-shaped connecting pipes are symmetrically installed on the side of the lower end of the connecting pipe. Four stirring devices are symmetrically installed on the inner wall of the tank body, and the four stirring devices are respectively Located at the upper ends of the vertical ends of the four L-shaped connecting pipes, the vertical ends of the L-shaped connecting pipes are upward, and an exhaust pipe is installed on the upper end of the tank body, and the exhaust pipe is used to discharge the gas in the tank and balance the air pressure in the tank;

The stirring device includes a connecting rod, one end of the connecting rod is installed on the inner wall of the tank body, so that the structure of the connecting rod is firm, and a ring groove is opened on the connecting rod along the circumference, and a ring groove is sleeved in the ring groove A casing, the outer circular surface of the casing is evenly equipped with several stirring blades along the circumferential direction, the number of stirring blades is three, and the vertical end of the L-shaped connecting pipe is located at the lower end of the stirring blades on the side of the casing, so that the L-shaped connection The gas ejected from the vertical end of the tube can directly act on the stirring blades on the side of the casing to push the stirring blades to rotate.

Preferably, the filter device includes a filter box, and the filter box is provided with a primary filter screen, a HEPA filter screen, and an activated carbon filter screen in sequence from top to bottom, and an air intake pipe is installed on the side of the filter box at the top of the primary filter screen. The bottom of the filter box is equipped with the upper end of the connecting pipe. The primary filter, HEPA filter and activated carbon filter can filter the dust and impurities in the air input from the intake pipe to prevent the fermentation liquid in the tank from being polluted.

Preferably, the filter box includes a box body, and a box cover is detachably installed on the upper end of the box body, so as to facilitate the replacement of the primary filter screen, HEPA filter screen and activated carbon filter screen in the filter box.

Preferably, a heating element is installed at the bottom of the tank, the heating element can be an electromagnetic heating furnace, a temperature sensor is installed on the inner wall of the tank, and the heating element and the temperature sensor are connected to an external temperature controller, so that the inside of the tank The temperature can be detected by the temperature sensor and transmitted to the temperature controller. The temperature controller controls the heating element to keep the temperature in the tank within a constant range, which is conducive to the growth of microorganisms in the tank.

Preferably, one end of a feeding pipe is installed on both sides of the upper end of the tank body, and a blocking cover is installed on the other end of the feeding pipe, and a discharge pipe is installed on one side of the lower end of the tank body, and on the discharge pipe An on-off valve is installed to facilitate feeding and discharging into the tank.

Preferably, the exhaust pipe is an upward continuous S-shaped elbow, and the continuous S-shaped exhaust pipe can play the role of condensation, preventing the fermentation liquid in the tank from volatilizing and being discharged when exhausting.

Preferably, a support rod is installed at the lower end of the tank body, and a support base is installed at the lower end of the support rod to ensure the stable support of the lower end of the tank body.

Compared with the prior art, the beneficial effects of the utility model are: a filter device is provided at the upper end of the tank body, a connecting pipe provided at the lower end of the filter device is inserted into the tank body, and an L-shaped connecting pipe is connected to the lower end of the connecting pipe, and the L-shaped connecting pipe The vertical end of the vertical end is located at the lower end of the stirring blade of the stirring device, so that the utility model can directly discharge the outside air to the bottom of the tank body through the connecting pipe and the L-shaped connecting pipe after being filtered by the filtering device, so as to improve the dissolved oxygen of the fermented liquid, and in the stirring Under the action of blade rotation, the fermentation efficiency can be improved and the fermentation time can be shortened;

The two ends of the filter device are respectively connected to the intake pipe and the connecting pipe, the lower end of the connecting pipe is inserted into the tank body, and four L-shaped connecting pipes are installed on the side of the lower end of the connecting pipe, and the tank at the upper end of the vertical end of the L-shaped connecting pipe A stirring device is installed on the inner wall, so that the air will enter the filter device after the air inlet pipe is connected to the air pump, and the air filtered by the filter device can be directly discharged at the bottom of the fermenter through the connecting pipe and the L-shaped connecting pipe, and mixed with the fermentation liquid to make the fermentation The dissolved oxygen in the liquid is increased to ensure the growth of microorganisms in the fermentation liquid and prevent bacterial impurities from entering the tank;

One end of the connecting rod of the stirring device is installed on the inner wall of the tank, and a casing is sleeved in the annular groove opened along the circumference of the connecting rod. The stirring blade on the side of the casing is located at the upper end of the vertical end of the L-shaped connecting pipe, making the L-shaped The gas discharged from the vertical end of the connecting pipe will directly act on the stirring blade, which will promote the rotation of the stirring blade, so that the liquid in the tank will be further stirred and mixed, and the fermentation speed will be increased. It is smashed to further increase the dissolved oxygen in the tank.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the utility model embodiment;

Fig. 2 is the A-A structural sectional view of the utility model embodiment;

Fig. 3 is the B-B structural sectional view of the utility model embodiment;

Fig. 4 is the C-C structural sectional view of the utility model embodiment;

Fig. 5 is a cross-sectional view of the structure of the filter device according to the embodiment of the present invention.

In the figure: 1, tank body, 2, filter device, 21, filter box, 211, box body, 212, box cover, 22, primary filter screen, 23, HEPA filter screen, 24, activated carbon filter screen, 3, air intake pipe , 4. Connecting pipe, 5. L-shaped connecting pipe, 6. Stirring device, 61. Connecting rod, 611. Ring groove, 62. Sleeve, 63. Stirring blade, 7. Feed pipe, 8. Blocking cover, 9 , discharge pipe, 10, switch valve, 11, heating element, 12, temperature sensor, 13, support rod, 14, support seat, 15, exhaust pipe.

Detailed ways

In order to better understand the technical content of the utility model, specific examples are provided below to further illustrate the utility model.

Referring to Figures 1 to 5, a fermenter for food fermentation includes a tank body 1, one end of a feed pipe 7 is installed on both sides of the upper end of the tank body 1, and a blocking cover is installed at the other end of the feed pipe 7 8. A discharge pipe 9 is installed on one side of the lower end of the tank body 1, and an on-off valve 10 is installed on the discharge pipe 9, which is convenient for feeding and discharging materials into the tank body 1; the lower end of the tank body 1 is installed There is a support rod 13, the lower end of the support rod 13 is equipped with a support seat 14 to ensure that the lower end of the tank body 1 is supported stably; the upper end of the tank body 1 is equipped with a filter device 2, which can filter dust and impurities, so The filter device 2 includes a filter box 21, the filter box 21 is sequentially provided with a primary filter 22, a HEPA filter 23 and an activated carbon filter 24 from top to bottom, and the side of the filter box 21 at the upper end of the primary filter 22 is installed Intake pipe 3, the bottom of the filter box 21 is equipped with the upper end of the connecting pipe 4, the primary filter 22, the HEPA filter 23 and the activated carbon filter 24 can filter the dust and impurities in the air intake pipe 3 input to prevent the tank body 1 The fermentation liquid inside is contaminated; the filter box 21 includes a box body 211, and the upper end of the box body 211 is detachably equipped with a box cover 212, which is convenient for primary filter screen 22, HEPA filter screen 23 and activated carbon filtration in the filter box 21. The net 24 is replaced; the input end of the filter device 2 is equipped with an air inlet pipe 3, and the air inlet pipe 3 can be externally connected to an air pump for supplying air to the tank body 1, and the output end of the filter device 2 is equipped with a connecting pipe 4 upper end , the lower end of the connecting pipe 4 is vertically inserted into the tank body 1, and the lower end of the connecting pipe 4 is located at the bottom of the tank body 1, and four L-shaped connecting pipes 5 are symmetrically installed on the side of the lower end of the connecting pipe 4 The horizontal end of the horizontal end, four stirring devices 6 are symmetrically installed on the inner wall of the tank body 1, and the four stirring devices 6 are respectively located on the upper ends of the vertical ends of the four L-shaped connecting pipes 5, and the vertical ends of the L-shaped connecting pipes 5 are upward , the upper end of the tank body 1 is equipped with an exhaust pipe 15, the exhaust pipe 15 is used to discharge the gas in the tank body 1, and balance the air pressure in the tank body 1, and the exhaust pipe 15 is an upward continuous S-shaped Elbow, the continuous S-shaped exhaust pipe 15 can play the role of condensation, preventing the fermentation liquid in the tank 1 from volatilizing and discharging when exhausting; after the air inlet pipe 3 is connected to the air pump, the air will enter the filter device 2, and the filter device 2 The filtered air can be directly discharged at the bottom of the tank body 1 through the connecting pipe 4 and the L-shaped connecting pipe 5, so as to increase the dissolved oxygen in the fermentation liquid, ensure the growth of microorganisms in the fermentation liquid, and prevent bacterial impurities from entering the tank body 1 ;

Described stirring device 6 comprises connecting rod 61, and one end of described connecting rod 61 is installed on the inner wall of tank body 1, makes the structure of connecting rod 61 firm, and described connecting rod 61 is provided with annular groove 611 along the circumferential direction, so A casing 62 is set inside the annular groove 611, and three stirring blades 63 are evenly installed on the outer surface of the casing 62 along the circumferential direction, and the vertical end of the L-shaped connecting pipe 5 is located at the stirring blade 63 on the side of the casing 62. At the lower end, the vertical end of the L-shaped connecting pipe 5 can directly act on the stirring blade 63 on the side of the casing 62 after the gas is ejected outwards, so that the stirring blade 63 is rotated, and the gas discharged from the vertical end of the L-shaped connecting pipe 5 will directly act on it. On the stirring blade 63, promote the rotation of the stirring blade 63, so that the liquid in the tank body 1 is further stirred and mixed, and the fermentation speed is increased, and the bubbles discharged from the L-shaped connecting pipe 5 under the stirring of the stirring blade 63 will be smashed, Further improve the dissolved oxygen in the tank body 1.

The bottom of the tank body 1 is equipped with a heating element 11, the heating element 11 can be an electromagnetic heating furnace, a temperature sensor 12 is installed on the inner wall of the tank body 1, and the heating element 11 and the temperature sensor 12 are connected to an external temperature controller , so that the temperature in the tank 1 can be detected by the temperature sensor 12 and transmitted to the temperature controller, and the temperature controller controls the heating element 11 to work to keep the temperature in the tank 1 within a constant range, which is beneficial to the temperature in the tank 1. microbial growth.

The working principle is: when the utility model is in use, the air intake pipe 3 is connected to the air pump, so that the air pump supplies air to the filter device 2 through the air intake pipe 3, and the filter device 2 filters the impurities in the air and then connects with the L-shaped connection pipe 4. The pipe 5 is directly discharged from the bottom of the tank body 1 to increase the dissolved oxygen in the fermentation broth, ensure the growth of microorganisms in the fermentation broth, and prevent bacterial impurities from entering the tank body 1. At the same time, the gas discharged from the L-shaped connecting pipe 5 is The upward movement in the liquid acts on the stirring blade 63, which promotes the rotation of the stirring blade 63, so that the liquid in the tank body 1 is further stirred and mixed, and the fermentation speed is increased, and the bubbles discharged from the L-shaped connecting pipe 5 are agitated by the stirring blade 63. Will be smashed to further increase the dissolved oxygen in the tank body 1, and finally the gas will be discharged through the exhaust pipe 15.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (7)

1. A fermenter for food fermentation, comprising a tank body, characterized in that: the upper end of the tank body is equipped with a filter, the input of the filter is equipped with an air intake pipe, the output of the filter is The upper end of the connecting pipe is installed, and the lower end of the connecting pipe is vertically inserted into the tank body, and the lower end of the connecting pipe is located at the bottom of the tank body, and the horizontal ends of four L-shaped connecting pipes are symmetrically installed on the side of the lower end of the connecting pipe , four stirring devices are symmetrically installed on the inner wall of the tank body, the four stirring devices are respectively located at the upper ends of the vertical ends of the four L-shaped connecting pipes, and an exhaust pipe is installed at the upper end of the tank body; The stirring device includes a connecting rod, one end of the connecting rod is installed on the inner wall of the tank, an annular groove is opened on the connecting rod along the circumferential direction, and a sleeve is sleeved in the annular groove, and the sleeve Several stirring blades are evenly installed on the outer circular surface of the casing along the circumference, and the vertical end of the L-shaped connecting pipe is located at the lower end of the stirring blades on the side of the casing. 2. A fermenter for food fermentation according to claim 1, characterized in that: the filter device includes a filter box, and the filter box is sequentially provided with a primary filter screen and a HEPA filter screen from top to bottom and an activated carbon filter screen, an inlet pipe is installed on the side of the filter box at the top of the primary filter screen, and an upper end of a connecting pipe is installed at the bottom of the filter box. 3 . A fermenter for food fermentation according to claim 2 , wherein the filter box includes a box body, and a box cover is detachably mounted on the upper end of the box body. 4 . 4. A fermenter for food fermentation according to claim 1, characterized in that: a heating element is installed at the bottom of the tank body, and a temperature sensor is installed on the inner wall of the tank body. 5. A fermenter for food fermentation according to claim 1 or 4, characterized in that: one end of a feed pipe is installed on both sides of the upper end of the tank body, and a plug is installed at the other end of the feed pipe. Cover, a discharge pipe is installed on the lower end side of the tank body, and a switch valve is installed on the discharge pipe. 6. A fermenter for food fermentation according to claim 1, characterized in that: the exhaust pipe is an upward continuous S-shaped elbow. 7. A fermenter for food fermentation according to claim 1, characterized in that: a support rod is installed at the lower end of the tank body, and a support seat is installed at the lower end of the support rod.