CN111961580B - Continuous biological fermentation equipment and brewing method of soy sauce - Google Patents
Continuous biological fermentation equipment and brewing method of soy sauce Download PDFInfo
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
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Abstract
The invention discloses continuous biological fermentation equipment and a brewing method of soy sauce. The continuous biological fermentation equipment of soy sauce can greatly reduce the cost of soy sauce brewing equipment and save a large amount of production space. The brewing method of the soy sauce saves the process steps of starter propagation and starter mixing in the later period, and only takes place in one device in the processes of fermentation and oil spraying, thereby greatly saving the production space and reducing the production energy consumption.
Description
Technical Field
The invention relates to the technical field of seasoning processing, in particular to continuous biological fermentation equipment and a brewing method of soy sauce.
Background
Soy sauce is prepared from plant protein and carbohydrate as main raw materials by hydrolyzing with microbial enzyme to obtain various amino acids and saccharides, and performing complex biochemical change to obtain unique color, fragrance, taste and body. The brewing process of soy sauce is approximately as follows: soybean or bran, mixing, moistening, steaming, cooling and inoculating, starter propagation, starter mixing, fermentation, shifting and oil spraying, raw soy sauce, disinfection and sterilization, blending and finished product preparation. In the prior art, in the processes of starter propagation, fermentation and displacement oil spraying, one device is independently used, for example, starter propagation needs a starter propagation tank alone, fermentation needs a fermentation tank, oil spraying needs an oil spraying tank, so that the soy sauce production line adopts more devices, occupies larger space, and has higher labor intensity and energy consumption due to frequent material transfer.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a continuous type biological fermentation apparatus for soy sauce, which can combine the fermentation and oil-spraying processes in one apparatus at the same time, and which can perform starter propagation and starter mixing only once at the beginning in the continuous brewing process of soy sauce, and which does not require starter propagation and starter mixing steps.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the continuous biological fermentation equipment for soy sauce comprises a fermentation tank and a fan, wherein the top of the fermentation tank is provided with a feed inlet, the bottom of the fermentation tank is provided with a slag discharge port, the middle part of the fermentation tank is provided with an oil spraying pipe, the middle part of the fermentation tank is positioned above the oil spraying pipe and is also provided with a ventilation pipe, one end of the ventilation pipe is communicated with an air outlet of the fan, the fan is provided with an air inlet, and an air humidifying device is arranged at the air inlet; the bottom of the fermentation tank is provided with micropores, a storage tank communicated with the micropores is arranged on the outer side of the bottom of the fermentation tank, the bottom of the storage tank is provided with a discharge hole, and one end of the oil spraying pipe is communicated with the inside of the storage tank through a guide pipe; the water pipe is communicated with the inside of the storage tank.
Preferably, the bottom of fermentation cylinder is the U type, micropore distribution is on the U type lateral wall of fermentation cylinder bottom, the bottom of fermentation cylinder is provided with the screw rod delivery pump, the screw rod delivery pump includes the motor and the screw rod of being connected with the motor, the motor of screw rod delivery pump is located the fermentation cylinder bottom outside, the screw rod is located the bottom inboard of fermentation cylinder, the axial of screw rod is consistent with the length direction of fermentation cylinder U type bottom, the screw thread outside edge sweep face lower part of screw rod hugs closely the U type bottom of fermentation cylinder.
Preferably, the oil spraying pipes and the ventilation pipes are all provided with a plurality of pieces, each oil spraying pipe and each ventilation pipe are transversely arranged, and a plurality of through holes are formed in the bottoms of each oil spraying pipe and each ventilation pipe.
Preferably, the water pipe is provided with a three-way valve, and the air outlet of the fan is communicated with the water pipe through the three-way valve.
Preferably, the catheter is made of an elastic material, and a peristaltic pump is arranged on the catheter.
Preferably, the slag discharging port is cylindrical, the circumference of the slag discharging port is the same as the axial direction of the screw rod, the inner diameter of the cylindrical slag discharging port corresponds to the maximum outer diameter of the screw rod, so that the end part of the screw rod can be inserted into the slag discharging port, and the pipe orifice of the outer side of the slag discharging port is butted with a slag discharging pipe which is bent upwards in an arc shape.
The second object of the invention is to provide a brewing method of soy sauce, which omits the process steps of starter propagation and starter mixing in the later period, and is only carried out in one device in the processes of fermentation and oil spraying, thereby greatly saving space and reducing energy consumption.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the invention relates to a brewing method of soy sauce, which adopts continuous biological fermentation equipment of soy sauce to perform continuous fermentation and oil spraying, and specifically comprises the following steps:
s1) steaming the soaked soybeans, and cooling to below 40 ℃ to obtain a steamed material; parching wheat and bran to slight yellow, and pulverizing the steamed material together with the parched wheat and bran;
s2) mixing the seed yeast into the crushed materials in the step 1, uniformly stirring, and then placing the materials added with the seed yeast into a fermentation tank to fill the fermentation tank;
s3) simultaneously communicating the air pipe and the water pipe through a fan, and simultaneously feeding filtered moist air into the fermentation tank from the middle part and the bottom of the fermentation tank;
s4) after fermentation for a period of time, cutting off the communication between the fan and the water pipe through a three-way valve, and placing preheated saline water into the storage tank through the water pipe;
s5) starting a peristaltic pump to spray the saline solution in the storage tank onto the fermented material at the middle lower part of the fermentation tank through the oil spraying pipe, slowly releasing finished soy sauce from the discharge port after continuously spraying for a period of time, and simultaneously continuously and slowly releasing the saline solution from the water pipe into the storage tank;
s6) after oil is continuously sprayed for a period of time, starting a screw conveying pump, and discharging slag at the bottommost part of the fermentation tank from a slag discharge port;
s7) starting the screw conveying pump, and simultaneously supplementing crushed materials without adding seed yeast into the fermentation tank from the feed inlet, so that a soy sauce brewing mode of continuous fermentation, continuous oil spraying and continuous oil discharging can be realized.
The invention has the beneficial effects that:
1. the continuous biological fermentation equipment for soy sauce comprises a fermentation tank and a fan, wherein the top of the fermentation tank is provided with a feed inlet, the bottom of the fermentation tank is provided with a slag discharge port, the middle part of the fermentation tank is provided with an oil spraying pipe, the middle part of the fermentation tank is positioned above the oil spraying pipe, one end of the air pipe is communicated with an air outlet of the fan, the fan is provided with an air inlet, and the air inlet is provided with an air humidifying device. The upper part of the fermentation tank is fermented, the lower part of the fermentation tank is oiled, the materials in the fermentation tank slowly move downwards, and the newly added materials are thoroughly eaten by the fermented yeast, so that the steps of yeast making and yeast mixing are not needed in the subsequent continuous brewing process.
2. The brewing method of the soy sauce saves the process steps of starter propagation and starter mixing in the later period, and is only carried out in one device in the processes of fermentation and oil spraying, thereby greatly saving the production space and reducing the energy consumption.
Drawings
FIG. 1 is a schematic perspective view of a continuous bio-fermentation apparatus for soy sauce according to the present invention;
FIG. 2 is a schematic structural view of a continuous type biological fermentation apparatus for soy sauce according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, technical solutions and advantages of the present invention more apparent.
Example 1 continuous biological fermentation apparatus for Soy sauce
As shown in fig. 1 and 2, the continuous biological fermentation equipment of soy sauce comprises a fermentation tank 1 and a fan 2, wherein the fermentation tank is made of toughened glass material, a feed inlet 3 is formed in the top of the fermentation tank, a slag discharge port 4 is formed in the bottom of the fermentation tank, an oil spraying pipe 5 is arranged in the middle of the fermentation tank, a ventilation pipe 6 is further arranged above the oil spraying pipe in the middle of the fermentation tank, one end of the ventilation pipe is communicated with an air outlet of the fan, an air inlet is formed in the fan, an air humidifying device 7 is arranged at the air inlet, and preferably, the air humidifying device 7 has the function of heating air, for example, the air can be heated to 40 ℃ so as to facilitate the hydrolysis of protein by protease and peptidase; the oil spraying pipes 5 and the ventilation pipes 6 are all provided with a plurality of pieces, each oil spraying pipe and each ventilation pipe are transversely arranged, and the bottoms of each oil spraying pipe and each ventilation pipe are provided with a plurality of through holes; the bottom of the fermentation tank is provided with micropores 8, the outer side of the bottom of the fermentation tank is provided with a storage tank 9 communicated with the micropores, the bottom of the storage tank is provided with a discharge port 10, one end of the oil spraying pipe is communicated with the inside of the storage tank through a conduit 11, the conduit is made of elastic materials, and the conduit is provided with a peristaltic pump 12; also included is a water pipe 13 which communicates with the interior of the reservoir. The bottom of fermentation cylinder is the U type, micropore distribution is on the U type lateral wall of fermentation cylinder bottom, the bottom of fermentation cylinder is provided with the screw rod delivery pump, the screw rod delivery pump includes motor 14 and the screw rod 15 of being connected with the motor, the motor of screw rod delivery pump is located the fermentation cylinder bottom outside, the screw rod is located the bottom inboard of fermentation cylinder, the axial of screw rod is consistent with the length direction of fermentation cylinder U type bottom, the screw thread outside edge sweep face lower part of screw rod hugs closely the U type bottom of fermentation cylinder. Specifically, the water pipe is provided with a three-way valve 16, and the air outlet of the fan is communicated with the water pipe through the three-way valve.
The continuous biological fermentation equipment of the soy sauce of the invention has the working principle that:
during primary fermentation, putting the materials mixed with the yeast into the fermentation tank from the feed inlet of the fermentation tank, filling the fermentation tank, sending hot and humid air into the fermentation tank through a fan to fully ferment the materials, and then simultaneously communicating the materials with a ventilation pipe and a water pipe through the fan, and simultaneously sending the filtered hot and humid air into the fermentation tank from the middle part and the bottom of the fermentation tank; after fermentation for a period of time, the communication between the fan and the water pipe is cut off through the three-way valve, and the preheated saline solution is put into the storage tank through the water pipe; starting a peristaltic pump to spray the saline solution in the storage tank onto the fermented material at the middle lower part of the fermentation tank through the oil spraying pipe, slowly releasing finished soy sauce from the discharge port after continuously spraying for a period of time, and simultaneously continuously and slowly releasing the saline solution into the storage tank from the water pipe; after oil is continuously sprayed for a period of time, a screw conveying pump is started, and slag at the bottommost part of the fermentation tank is discharged from a slag discharge port; when the screw conveying pump is started, crushed materials without adding seed yeast are supplemented into the fermentation tank from the feed inlet, so that the soy sauce brewing modes of continuous fermentation, continuous oil spraying and continuous oil discharging can be realized
As a further improvement of the technical scheme, the slag discharging port 4 is cylindrical, the circumference of the slag discharging port is the same as the axial direction of the screw rod, the inner diameter of the cylindrical slag discharging port corresponds to the maximum outer diameter of the screw rod, so that the end part of the screw rod can be inserted into the slag discharging port, an upward arc-shaped bent slag discharging pipe 17 is butted at the pipe orifice of the outer side of the slag discharging port, and preferably, the slag discharging pipe is S-shaped. When deslagging, the screw rod rotates, the bottom material is pushed into the deslagging pipe, and the material is discharged from the pipe orifice at the top of the investigation pipe.
Example 2 brewing method of Soy sauce
The invention relates to a brewing method of soy sauce, which adopts continuous biological fermentation equipment of soy sauce to perform continuous fermentation and oil spraying, and specifically comprises the following steps:
s1) steaming the soaked soybeans, and cooling to below 40 ℃ to obtain a steamed material; parching wheat and bran to slight yellow, and pulverizing the steamed material together with the parched wheat and bran;
s2) mixing the seed yeast into the crushed materials in the step 1, uniformly stirring, and then placing the materials added with the seed yeast into a fermentation tank to fill the fermentation tank;
s3) simultaneously communicating the air pipe and the water pipe through a fan, and simultaneously feeding filtered moist air into the fermentation tank from the middle part and the bottom of the fermentation tank, wherein the air temperature is 35-40 ℃;
s4) after fermentation for a period of time, cutting off the communication between the fan and the water pipe through a three-way valve, and placing preheated saline water into the storage tank through the water pipe;
s5) starting a peristaltic pump to spray the saline solution in the storage tank onto the fermented material at the middle lower part of the fermentation tank through the oil spraying pipe, slowly releasing finished soy sauce from the discharge port after continuously spraying for a period of time, and simultaneously continuously and slowly releasing the saline solution from the water pipe into the storage tank;
s6) after oil is continuously sprayed for a period of time, starting a screw conveying pump, and discharging slag at the bottommost part of the fermentation tank from a slag discharge port;
s7) when the screw conveying pump is started, the crushed material without adding the seed yeast is supplemented into the fermentation tank from the feed inlet, the material moves and is fermented in the downward movement process, and when the material reaches the middle part of the fermentation tank, the complete fermentation is ensured, so that the soy sauce brewing modes of continuous fermentation, continuous oil spraying and continuous oil discharging are realized.
The foregoing description is directed to the preferred embodiments of the present invention, and the embodiments are not intended to limit the scope of the invention, but rather should be construed in view of the appended claims.
Claims (5)
1. A continuous biological fermentation apparatus for soy sauce, characterized in that: the device comprises a fermentation tank and a fan, wherein a feed inlet is formed in the top of the fermentation tank, a slag discharge port is formed in the bottom of the fermentation tank, an oil spraying pipe is arranged in the middle of the fermentation tank, a ventilation pipe is further arranged above the oil spraying pipe in the middle of the fermentation tank, one end of the ventilation pipe is communicated with an air outlet of the fan, an air inlet is formed in the fan, and an air humidifying device is arranged at the air inlet; the bottom of the fermentation tank is provided with micropores, a storage tank communicated with the micropores is arranged on the outer side of the bottom of the fermentation tank, the bottom of the storage tank is provided with a discharge hole, and one end of the oil spraying pipe is communicated with the inside of the storage tank through a guide pipe; the water pipe is communicated with the inside of the storage tank; the bottom of the fermentation tank is U-shaped, micropores are distributed on the U-shaped side wall of the bottom of the fermentation tank, a screw conveying pump is arranged at the bottom of the fermentation tank and comprises a motor and a screw rod connected with the motor, the motor of the screw conveying pump is positioned at the outer side of the bottom of the fermentation tank, the screw rod is positioned at the inner side of the bottom of the fermentation tank, the axial direction of the screw rod is consistent with the length direction of the U-shaped bottom of the fermentation tank, and the lower part of the edge sweeping surface at the outermost side of the screw thread of the screw rod is tightly attached to the U-shaped bottom of the fermentation tank; the oil spraying pipes and the ventilation pipes are all arranged in a plurality, each oil spraying pipe and each ventilation pipe are transversely arranged, and a plurality of through holes are formed in the bottoms of each oil spraying pipe and each ventilation pipe.
2. The continuous bio-fermentation apparatus for soy sauce according to claim 1, wherein: the water pipe is provided with a three-way valve, and the air outlet of the fan is communicated with the water pipe through the three-way valve.
3. A continuous bio-fermentation apparatus for soy sauce according to claim 2, wherein: the catheter is made of elastic materials, and a peristaltic pump is arranged on the catheter.
4. A continuous bio-fermentation apparatus for soy sauce according to claim 3, wherein: the slag discharging port is cylindrical, the circumference of the slag discharging port is the same as the axial direction of the screw rod, the inner diameter of the cylindrical slag discharging port corresponds to the maximum outer diameter of the screw rod, so that the end part of the screw rod can be inserted into the slag discharging port, and an upward arc-shaped bent slag discharging pipe is butted at the pipe orifice of the outer side of the slag discharging port.
5. A soy sauce brewing method based on the continuous biological fermentation apparatus of the soy sauce according to any one of claims 1-4, characterized in that the continuous biological fermentation apparatus of the soy sauce is used for continuous fermentation and oil leaching, comprising the steps of:
s1) steaming the soaked soybeans, and cooling to below 40 ℃ to obtain a steamed material; parching wheat and bran to slight yellow, and pulverizing the steamed material together with the parched wheat and bran;
s2) mixing the seed yeast into the crushed materials in the step 1, uniformly stirring, and then placing the materials added with the seed yeast into a fermentation tank to fill the fermentation tank;
s3) simultaneously communicating the air pipe and the water pipe through a fan, and simultaneously feeding filtered moist air into the fermentation tank from the middle part and the bottom of the fermentation tank;
s4) after fermentation for a period of time, cutting off the communication between the fan and the water pipe through a three-way valve, and placing preheated saline water into the storage tank through the water pipe;
s5) starting a peristaltic pump to spray the saline solution in the storage tank onto the fermented material at the middle lower part of the fermentation tank through the oil spraying pipe, slowly releasing finished soy sauce from the discharge port after continuously spraying for a period of time, and simultaneously continuously and slowly releasing the saline solution from the water pipe into the storage tank;
s6) after oil is continuously sprayed for a period of time, starting a screw conveying pump, and discharging slag at the bottommost part of the fermentation tank from a slag discharge port;
s7) starting the screw conveying pump, and simultaneously supplementing crushed materials without adding seed yeast into the fermentation tank from the feed inlet, so that a soy sauce brewing mode of continuous fermentation, continuous oil spraying and continuous oil discharging can be realized.
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