Sour soup fermentation tank, fermentation system and sour soup making method

Abstract

The sour soup fermentation tank comprises a tank body, the upper area of the tank body is provided with a feed port and an upper circulation port, the lower area of the tank body is provided with a lower circulation port, and the upper circulation port and the lower circulation port are used for internal circulation of materials in the tank body. The upper circulation port and the lower circulation port are jointly connected with the circulation mechanism, so that fermentation liquor in the tank body can realize internal circulation flow, and the problems of external air pollution and inconvenience in cleaning caused by stirring under the condition that a stirring mechanism is uncovered are avoided. The invention also provides a sour soup making method, which comprises a fermentation step, the fermentation step comprises a process of performing internal circulation on materials in a fermentation tank, and the internal circulation process is performed by adopting a fermentation system.

Description

Technical Field

[0001] The invention relates to the technical field of food processing, and in particular to a sour soup fermentation tank, a fermentation system and a sour soup making method. Background Art

[0002] Red and sour soup is a traditional food of the Miao people in Kaili area, with a history of thousands of years. Its unique color (bright red), sour and mellow taste have an appetizing effect. After consumption, it can stimulate the appetite of patients with indigestion, anorexia, etc.

[0003] The existing industrial production of sour soup generally adopts multiple fermentation jars placed in the workshop, and the sour soup is fermented in the fermentation jars. During the fermentation process, each fermentation jar needs to be manually stirred regularly to facilitate full fermentation and control the fermentation speed. However, there is a disadvantage in that the existing fermentation device needs to open the sealing cover regularly for exhaust and stirring, and the sealing cover is opened during the exhaust and stirring process, and the outside air can directly enter the fermentation device, causing pollution and affecting the fermentation effect; and because of the use of manual stirring, not only the labor force is increased, but the stirring efficiency is also low, and whether the stirring is sufficient directly affects the quality of the sour soup. Summary of the invention

[0004] The purpose of the present invention is to provide a sour soup fermentation tank, a fermentation system and a sour soup making method, so as to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the following technical scheme is adopted: a sour soup fermentation tank comprises a tank body, the upper area of ​​the tank body is respectively provided with a feed port and an upper circulation port, the lower area of ​​the tank body is respectively provided with a lower circulation port, and the upper circulation port and the lower circulation port are used for internal circulation of the material in the tank body.

[0006] Preferably, the upper circulation port is located on the upper end wall of the tank body, and the lower circulation port is located on the lower peripheral wall of the tank body.

[0007] Preferably, the feed port is arranged on the upper end wall of the tank body, and the feed port is one-way sealed by a sealing assembly.

[0008] Preferably, the sealing assembly includes a sealing tube connected to the feed port, the sealing tube is provided with a tank edge along the circumferential direction, the sealing tube and the tank edge together form an annular groove with an upward opening, the sealing tube is connected to a sealing cover, and the bottom of the sealing cover rests on the annular groove.

[0009] Preferably, the tank body includes an inner tank body and an outer tank body, the inner tank body is connected to the outer tank body, an annular cavity with a predetermined gap is formed between the inner tank body and the outer tank body, and the outer tank body is respectively provided with an upper connecting pipe and a lower connecting pipe, and the upper connecting pipe and the lower connecting pipe are respectively connected to the annular cavity.

[0010] Preferably, a plurality of brackets are provided at the upper end of the tank body along the outer peripheral wall direction, and a working platform is installed on the brackets.

[0011] The present invention also provides a fermentation system, comprising the above-mentioned sour soup fermentation tank, wherein the tank body is further connected to a circulation mechanism, and the circulation mechanism is respectively connected to an upper circulation port and a lower circulation port.

[0012] Preferably, the circulation mechanism includes an upper circulation pipe connected to the upper circulation port, a lower circulation pipe connected to the lower circulation port, and a circulation pump respectively connected to the upper circulation pipe and the lower circulation pipe.

[0013] Preferably, it also includes a guide mechanism, which includes a guide pipe and a plurality of guide plates arranged on the inner wall of the tank body, the guide plates and the guide pipe are inclined in the same direction, and the inlet end of the guide pipe is connected to the upper circulation port.

[0014] Preferably, a three-way valve is connected to the lower circulation pipe.

[0015] Preferably, the upper circulation pipe and the circulation pump are detachably connected, the lower circulation pipe and the circulation pump are detachably connected, an upper stop valve is also provided at the connecting end of the upper circulation pipe and the circulation pump, and a lower stop valve is also provided between the lower circulation pipe and the circulation pump.

[0016] The present invention also provides a method for making sour soup, comprising a fermentation step, wherein the fermentation step comprises:

[0017] The process of internal circulation of materials in the fermentation tank.

[0018] Preferably, the internal circulation process is carried out using the above-mentioned fermentation system.

[0019] Beneficial effects achieved by the present invention:

[0020] Compared with the prior art, the sour soup fermentation tank of the present invention, by providing an upper circulation port and a lower circulation port, allows the tank body to be connected to a circulation mechanism for supplying the fermentation liquid to flow in the tank body, thereby avoiding the problem of external air pollution and inconvenience in cleaning caused by using a stirring mechanism for stirring with the cover open.

[0021] A fermentation system of the present invention, by setting a circulation mechanism, allows the fermentation liquid in the tank to circulate internally under sterile conditions, thereby achieving full fermentation and effectively reducing labor. At the same time, the flow and mixing of the fermentation liquid can be accelerated through the diversion mechanism to further achieve the purpose of full fermentation.

[0022] The present invention also provides a sour soup making method, which enables internal circulation to be achieved through a circulation mechanism during the fermentation process, and the purpose of automatic exhaust and sufficient fermentation can be achieved without opening a sealing cover, thereby preventing external air from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the sour soup fermentation tank of the present invention.

[0024] Figure 2 It is a top cross-sectional schematic diagram of a sour soup fermentation tank of the present invention.

[0025] Figure 3 The figure is a schematic diagram of the structure of a fermentation system of the present invention. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] See attached Figure 1-3 The sour soup fermentation tank comprises a tank body 1, wherein the upper region of the tank body 1 is respectively provided with a feed port and an upper circulation port 2, and the lower region of the tank body 1 is provided with a lower circulation port 3, wherein the upper circulation port 2 and the lower circulation port 3 are used for internal circulation of the material in the tank body 1; by providing the upper circulation port 2 and the lower circulation port 3, the fermentation liquid in the tank body 1 can be internally circulated regularly to achieve the effect of full fermentation, and the tank body can be connected to a circulation mechanism for the fermentation liquid in the tank body to flow, thereby avoiding the problem of external air pollution caused by stirring with the cover opened and the inconvenience of cleaning the stirring mechanism.

[0029] The upper circulation port 2 is located on the upper end wall of the tank body 1 , and the lower circulation port 3 is located on the lower peripheral wall of the tank body 1 .

[0030] In this embodiment, the feed port is arranged on the upper end wall of the tank body 1, and the feed port is one-way sealed by a sealing component 4, so that the gas generated in the tank body can be discharged outward under pressure, and external air cannot flow in.

[0031] Specifically, the sealing assembly 4 includes a sealing tube 401 connected to the feed port, and the sealing tube 401 is provided with a tank edge 402 along the circumferential direction. The sealing tube 401 and the tank edge 402 together form an annular groove 403 with an upward opening. The sealing tube 401 is connected to a sealing cover, and the bottom of the sealing cover rests on the annular groove 403. When in use, water can be added to the annular groove.

[0032] In this embodiment, the tank body 1 includes an inner tank body 101 and an outer tank body 102, the inner tank body 101 is connected to the outer tank body 102, and an annular cavity 103 with a predetermined gap is formed between the inner tank body 101 and the outer tank body 102, and the outer tank body 102 is respectively provided with an upper connecting pipe 104 and a lower connecting pipe 105, and the upper connecting pipe 104 and the lower connecting pipe 105 are respectively connected to the annular cavity 103, and warm water is connected to the annular cavity 103 through the upper connecting pipe 104, and is discharged out of the annular cavity 103 through the lower connecting pipe 105, so that the fermentation temperature is maintained within a preset range.

[0033] Specifically, a plurality of brackets 5 are arranged at the upper end of the tank body 1 along the outer wall direction, and a working platform 6 is installed on the bracket 5 to facilitate the staff to add materials and regularly check the sealing condition.

[0034] The present invention also provides a fermentation system, including the above-mentioned sour soup fermentation tank, wherein the tank body 1 is further connected to a circulation mechanism 7, and the circulation mechanism 7 is respectively connected to the upper circulation port 2 and the lower circulation port 3. The liquid in the fermentation tank is internally circulated under aseptic conditions by the circulation mechanism, which not only avoids contamination of external bacteria, but also effectively reduces labor, achieves the purpose of full fermentation, and improves the fermentation effect.

[0035] Specifically, the circulation mechanism 7 includes an upper circulation pipe 701 connected to the upper circulation port 2 , a lower circulation pipe 702 connected to the lower circulation port 3 , and a circulation pump 703 connected to the upper circulation pipe 701 and the lower circulation pipe 702 , respectively.

[0036] In this embodiment, on the basis of preventing air from entering the tank body, in order to further improve the effect of full fermentation, a flow guide mechanism 8 is also included, the flow guide mechanism 8 includes a flow guide pipe 801 and a plurality of flow guide plates 802 arranged on the inner peripheral wall of the tank body 1, the flow guide plates 802 and the flow guide pipe 801 are both inclined in the same direction, and the inlet end of the flow guide pipe 801 is connected to the upper circulation port 2. By providing the flow guide pipe and the flow guide plate, the fermentation liquid in the tank body 1 enters the flow guide pipe through the upper circulation port and then flows along the inclined direction of the flow guide plate on the inner wall of the tank body 1, and forms a vortex state, thereby accelerating the circulation of the fermentation liquid and further achieving the purpose of full fermentation.

[0037] To facilitate the discharge of the fermentation liquid, a three-way valve is connected to the lower circulation pipe 702.

[0038] Among them, since the fermentation liquid in the tank body is periodically circulated internally to achieve the purpose of sufficient stirring, that is, sufficient fermentation, in order to reduce costs and improve product quality, the upper circulation pipe 701 and the circulation pump 703 are detachably connected, and the lower circulation pipe 702 and the circulation pump 703 are detachably connected. The connecting end of the upper circulation pipe 701 and the circulation pump 703 is also provided with an upper stop valve, and the lower circulation pipe 702 and the circulation pump 703 are also provided with a lower stop valve. The detachable connection method can reduce the cost of using the number of circulation pumps. The detachable connection method is also convenient for cleaning the inside of the circulation pump, thereby ensuring product quality.

[0039] The present invention also provides a method for making sour soup, comprising a fermentation step, wherein the fermentation step comprises:

[0040] The process of internal circulation of materials in the fermentation tank.

[0041] Specifically, the internal circulation process is carried out using the above-mentioned fermentation system.

[0042] More specifically, pepper, glutinous rice porridge, salt and fermented glutinous rice are mixed, crushed after the first fermentation, fermented for the second time, and ground; after the grinding, the mixture is mixed with seasoning substances and packaged;

[0043] The fermented glutinous rice is prepared by the following method: firstly steaming glutinous rice, cooling to 30-35°C, mixing with sweet wine yeast, and fermenting at 30-35°C for 3-4 days;

[0044] Among them, the first fermentation, the second fermentation and the heat preservation fermentation all use the above fermentation system to realize the internal circulation process.

[0045] The amount of glutinous rice porridge added is 4-7% of the mass of the pepper, the amount of fermented glutinous rice added is 2-3% of the mass of the pepper, and the amount of salt added is 3-5% of the mass of the pepper;

[0046] The first fermentation is carried out at 20-30°C for 90-130 days;

[0047] The second fermentation is carried out anaerobically at 25-30°C for 55-65 days.

[0048] During the first fermentation, the fermentation liquid in the tank is circulated internally through the circulation mechanism every 9-11 days; during the second fermentation, the fermentation liquid in the tank is circulated internally through the circulation mechanism every 14-15 days.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sour soup fermentation tank, comprising a tank body (1), characterized in that: The upper region of the tank body (1) is provided with a feed port and an upper circulation port (2), respectively, and the lower region of the tank body (1) is provided with a lower circulation port (3), and the upper circulation port (2) and the lower circulation port (3) are used for internal circulation of materials in the tank body (1).

2. The sour soup fermentation tank according to claim 1, characterized in that: The upper circulation port (2) is located on the upper end wall of the tank body (1), and the lower circulation port (3) is located on the lower peripheral wall of the tank body (1).

3. The sour soup fermentation tank according to claim 1, characterized in that: The feed inlet is arranged on the upper end wall of the tank body (1), and the feed inlet is one-way sealed by a sealing assembly (4).

4. The sour soup fermentation tank according to claim 3, characterized in that: The sealing assembly (4) comprises a sealing tube (401) connected to the feed port, the sealing tube (401) being provided with a tank edge (402) along a circumferential direction, the sealing tube (401) and the tank edge (402) jointly forming an annular groove (403) with an upward opening, the sealing tube (401) being connected to a sealing cover, the bottom of the sealing cover being against the annular groove (403).

5. The sour soup fermentation tank according to claim 1, characterized in that: The tank body (1) comprises an inner tank body (101) and an outer tank body (102); the inner tank body (101) is connected inside the outer tank body (102); an annular cavity (103) having a predetermined gap is formed between the inner tank body (101) and the outer tank body (102); an upper connecting pipe (104) and a lower connecting pipe (105) are respectively provided on the upper and lower parts of the outer tank body (102); the upper connecting pipe (104) and the lower connecting pipe (105) are respectively connected to the annular cavity (103).

6. A fermentation system, comprising the sour soup fermentation tank according to any one of claims 1 to 5, characterized in that: The tank body (1) is also connected to a circulation mechanism (7), and the circulation mechanism (7) is respectively connected to the upper circulation port (2) and the lower circulation port (3).

7. A fermentation system according to claim 6, characterized in that: The circulation mechanism (7) comprises an upper circulation pipe (701) connected to the upper circulation port (2), a lower circulation pipe (702) connected to the lower circulation port (3), and a circulation pump (703) respectively connected to the upper circulation pipe (701) and the lower circulation pipe (702).

8. A fermentation system according to claim 6, characterized in that: The invention also comprises a flow guiding mechanism (8), wherein the flow guiding mechanism (8) comprises a flow guiding pipe (801) and a plurality of flow guiding plates (802) arranged on the inner peripheral wall of the tank body (1), the flow guiding plates (802) and the flow guiding pipe (801) are arranged to be inclined in the same direction, and the inlet end of the flow guiding pipe (801) is connected to the upper circulation port (2).

9. A method for making sour soup, characterized in that: The method comprises the steps of fermentation, wherein the fermentation step comprises: The process of internal circulation of materials in the fermentation tank.

10. The method for making sour soup according to claim 9, characterized in that: The internal circulation process is carried out using the fermentation system described in any one of claims 6-8.

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