On-line monitoring device for distiller's yeast fermentation state and distiller's yeast making equipment

Abstract

The utility model relates to the technical field of food processing, in particular to a distiller's yeast fermentation state on-line monitoring device and distiller's yeast making equipment, the monitoring device comprises a heat preservation enclosure plate, a frequency conversion fan, a distiller's yeast making frame, an air duct layer and a circulating air duct; wherein the frequency conversion fan, the koji making frame, the air duct layer and the circulating air duct are sequentially connected to form a loop, the koji making frame and the air duct layer are both located in a space defined by the heat preservation enclosure plate, the koji making frame comprises multiple layers of koji sub-frames, and each koji sub-frame is provided with a sensor assembly. According to the utility model, key parameters such as temperature, humidity, gas, light, fragrance, color value, air pressure, air volume and the like in different culture stages of yeast can be monitored in real time and automatically and accurately regulated, so that the production efficiency and quality of yeast making are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food processing, in particular to an online monitoring device for the fermentation state of koji and koji making equipment. Background Art

[0002] Koji making is an important step in liquor production. Koji is a saccharifying fermentation agent that can convert starch into fermentable sugars. The quality of the koji directly affects the quality and output of the liquor. The production method of the koji production workshop in Chinese liquor distilleries still adopts the traditional manufacturing method, that is, natural inoculation, indoor fermentation, manual turning of the koji, artificial control of environmental parameters such as temperature and humidity in the koji room, and koji making based on the weather and seasons. There are problems such as low degree of automation, high labor intensity of workers, poor production environment, backward measurement methods and environmental control strategies, cumbersome production data collation, unstable koji quality, long koji making process, and low utilization rate of workshop equipment due to weather and seasons.

[0003] Therefore, in order to solve the problems of high labor intensity, low automation and informationization in Daqu production workshop, backward measurement and control methods of core equipment in Daqu production workshop, and inability to understand production data in real time, it is of far-reaching significance to develop a Daqu production intelligent equipment system. For example, patent CN2204625595U discloses a new type of koji cultivation device, including a support frame, a track, a bearing frame, a pressure sensor and a controller, the track is arranged on the support frame, a rotating shaft is arranged on the bearing frame, the bearing frame is suspended on the track through the rotating shaft, the pressure sensor is located between the support frame and the track, the controller and the pressure sensor are electrically connected, and a display unit is arranged on the controller. The device can monitor the turning time of the koji during the cultivation of the koji, as well as the weight change of the koji when turning the koji, the temperature change of the surrounding environment, the humidity change, the oxygen concentration change and the concentration change of carbon dioxide, so as to continuously optimize the koji cultivation process and improve the quality of the koji. However, the device only considers the temperature, humidity and gas factors in the cultivation environment, and the control model obtained thereby has limitations. Utility Model Content

[0004] To this end, the technical problem to be solved by the utility model is to overcome the problem of low yield of Daqu due to the inability to obtain diverse status data in the koji production process in the prior art, and provide an online monitoring device and koji making equipment for online monitoring of the fermentation status of Daqu by controlling environmental parameters, which can monitor in real time and can automatically and accurately control important process parameters in the koji making link such as temperature, humidity, gas, light, aroma, color value, wind pressure, and air volume, thereby improving the production efficiency and quality of koji making.

[0005] In order to solve the above technical problems, the utility model provides an online monitoring device for the fermentation status of koji, comprising a thermal insulation enclosure, a variable frequency fan, a koji-making rack, an air duct layer and a circulating air duct; wherein the variable frequency fan, the koji-making rack, the air duct layer and the circulating air duct are connected in sequence to form a loop, the koji-making rack and the air duct layer are both located in the space surrounded by the thermal insulation enclosure, the koji-making rack comprises multiple layers of sub-koji racks, and each of the sub-koji racks is provided with a sensor assembly.

[0006] In one embodiment of the utility model, the monitoring device also includes a humidifier, a dehumidifier and an air conditioner. The qudiyi rack is connected to the humidifier through a humidification pipe, the qudiyi rack is connected to the dehumidifier through a dehumidification pipe, and the qudiyi rack is connected to the air conditioner through an air conditioning pipe.

[0007] In one embodiment of the present invention, the variable frequency fan is connected to the humidifier, the dehumidifier and the air conditioner respectively.

[0008] In one embodiment of the present invention, the bottom of the sub-bend frame is a mesh structure.

[0009] In one embodiment of the present invention, the bending frame is connected to the variable frequency fan through an air duct.

[0010] In one embodiment of the present invention, the sensor assembly includes a temperature and humidity sensor, an aroma sensor, a light sensor, a gas concentration sensor, a color value collector and a first wind pressure sensor.

[0011] In one embodiment of the utility model, a second wind pressure sensor and a wind speed sensor are provided on the wind duct layer.

[0012] In one embodiment of the utility model, the thermal insulation protection plate has three layers, the outer two layers are stainless steel plates, and the middle layer is polyurethane thermal insulation cotton.

[0013] In one embodiment of the utility model, a feed port is provided on the heat preservation maintenance plate, and the feed port is connected to the plurality of sub-bend racks by rails.

[0014] The utility model also provides a koji-making device, including the online monitoring device and control device of the fermentation state of the koji, wherein the control device includes a condition collection machine and a PLC controller, and the condition collection machine is connected to the sensor component.

[0015] The above technical solution of the utility model has the following advantages compared with the prior art:

[0016] 1. The utility model realizes automatic monitoring: In the traditional Daqu production process, environmental factors such as temperature and humidity need to be strictly controlled to ensure the quality of Daqu. The intelligent control system can automatically monitor environmental parameters and adjust the control equipment in real time to realize automatic Daqu production and improve production efficiency and consistency.

[0017] 2. The utility model realizes the precise control and optimization of the koji making process: according to the pre-set parameters, the key factors such as temperature, humidity, gas, etc. in the koji making process are precisely controlled. Through real-time monitoring and feedback control, the adverse effects of environmental parameter fluctuations on the quality of koji can be avoided, ensuring the stability and quality of the product.

[0018] 3. The utility model realizes green environmental protection: the intelligent control system can intelligently adjust energy consumption according to actual needs and the room environment, realize energy saving and rational use of resources, and the precise control of the entire system can avoid unnecessary energy consumption and waste of resources, and reduce the negative impact on the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0020] Figure 1 It is a structural diagram of an online monitoring device for the fermentation state of koji provided in an embodiment of the utility model;

[0021] Figure 2 yes Figure 1 A structural diagram of the sensor assembly;

[0022] Figure 3 It is a structural schematic diagram of a koji making device provided in an embodiment of the utility model;

[0023] Description of the accompanying drawings in the specification: 10, thermal insulation enclosure; 101, feed port; 1011, track; 20, variable frequency fan; 201, air duct; 30, humidifier; 301, humidification duct; 40, dehumidifier; 401, dehumidification duct; 50, air conditioner; 501, air conditioning duct; 60, koji preparation rack; 601, sub-koji rack;

[0024] 602, sensor assembly; 6021, temperature and humidity sensor; 6022, aroma sensor; 6023, light sensor; 6024, gas concentration sensor; 6025, color value collector; 6026, first wind pressure sensor; 70, air duct layer; 701, second wind pressure sensor; 702, wind speed sensor; 80, circulating air duct;

[0025] 100. Monitoring system; 200. Control device; 210. Condition acquisition machine; 220. PLC controller. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0027] Embodiment 1

[0028] Reference Figures 1-2 As shown, the utility model targets various stages of Daqu cultivation, including the dormant period, germination period, reproduction period, vigorous period, enzyme production period, maturity period, drying period, storage period, etc., monitors important parameters such as temperature, humidity, air volume, moisture, gas, and color value (white koji, yellow koji and black koji) in real time and makes control instructions, and provides an online monitoring device for the fermentation state of koji, the monitoring device includes a thermal insulation enclosure 10, a variable frequency fan 20, a koji-making rack 60, an air duct layer 70 and a circulating air duct 80, wherein the variable frequency fan 20, the koji-making rack 60, the air duct layer 70 and the circulating air duct 80 are connected in sequence to form a loop, the koji-making rack 60 and the air duct layer 70 are both located in the space surrounded by the thermal insulation enclosure 10, the koji-making rack 60 includes multiple layers of sub-koji racks 601, and each of the sub-koji racks 601 is provided with a sensor assembly 602.

[0029] Among them, the variable frequency fan 20, the bending frame 60, the air duct layer 70 and the circulating air duct 80 are connected in sequence to form a loop. After the variable frequency fan 20 is started, the air volume passes through the circulating air duct 80, and after being detected by the air duct layer 70, air is supplied from bottom to top to the bending frame 60, thereby ensuring that the temperature, humidity, oxygen flow rate and wind speed of each surface of the bending block placed on the bending frame 60 are uniform, and maximizing the uniformity of temperature, humidity and contact gas on each surface of the bending block.

[0030] Specifically, the bending frame 60 includes a plurality of sub-frames 601, each of which is provided with a sensor assembly 602. Figure 2It can be seen that the sensor assembly 602 includes a temperature and humidity sensor 6021, an aroma sensor 6022, a light sensor 6023, a gas concentration sensor 6024, a color value collector 6025 and a first wind pressure sensor 6026. By collecting environmental data such as wind pressure, temperature, humidity, gas concentration, etc. at different stages of Daqu cultivation, it is possible to adjust environmental parameters such as air volume, temperature, humidity, gas concentration, etc. during the koji making process to achieve Daqu production conditions suitable for different stages, thereby increasing the output of Daqu. Furthermore, the bottom of the sub-koji rack 601 is a mesh structure, which can realize the air flow circulation of the koji rack 60, ensure that the upper and lower positions of Daqu are evenly in contact with the air in the koji room, avoid manual turning of koji, and no manpower and electricity consumption in turning koji.

[0031] In this embodiment, the monitoring device also includes a humidifier 30, a dehumidifier 40 and an air conditioner 50. The quenching rack 60 is connected to the humidifier 30 via a humidification pipe 301, the quenching rack 60 is connected to the dehumidifier 40 via a dehumidification pipe 401, and the quenching rack 60 is connected to the air conditioner 50 via an air conditioning pipe 501.

[0032] Furthermore, the variable frequency fan 20 is connected to the humidifier 30 , the dehumidifier 40 and the air conditioner 50 respectively, and the bending frame 60 is connected to the variable frequency fan 20 through the air duct 201 .

[0033] Specifically in this embodiment, a second wind pressure sensor 701 and a wind speed sensor 702 are provided on the air duct layer 70 for measuring the wind pressure and wind speed of the air volume provided by the variable frequency fan 20 to prevent the air volume from exceeding the air volume threshold for Daqu cultivation.

[0034] Furthermore, the thickness of the thermal insulation maintenance plate 10 is preferably 5 cm, and it includes three layers in total: the outer two layers are stainless steel plates, and the middle layer is polyurethane thermal insulation cotton, which can effectively reduce the impact of the external environment on the internal environment of the equipment, especially reduce drastic temperature fluctuations, and provide a precisely controllable environment for different stages of koji making.

[0035] In this embodiment, a feed port 101 is provided on the heat preservation maintenance plate 10 , and the feed port 101 is connected to the plurality of sub-bend racks 601 by rails 1011 , so as to facilitate placing materials from the feed port 101 to the sub-bend racks 601 .

[0036] Embodiment 2

[0037] Reference Figure 3As shown, the utility model also provides a koji-making device, which includes the online monitoring device 100 and the control device 200 of the koji fermentation state, the control device 200 includes a working condition collection machine 210 and a PLC controller 220, the PLC controllers are connected to the variable frequency fan 20, the humidifier 30, the dehumidifier 40 and the air conditioner 50, and the working condition collection machine 210 is connected to the sensor assembly 602.

[0038] Among them, the condition collection machine 210 is used to collect and organize various environmental parameters collected by the sensor component 602 to obtain the real-time status results of the Daqu, and according to the status results, use the PLC controller to control the operation of the variable frequency fan 20, humidifier 30, dehumidifier 40 and air conditioner 50 to provide a precise and controllable environment for different cultivation stages of koji making.

[0039] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. An online monitoring device for the fermentation state of koji, characterized in that: The invention comprises a heat-insulating enclosure plate (10), a variable-frequency fan (20), a bending frame (60), an air duct layer (70) and a circulating air duct (80); wherein the variable-frequency fan (20), the bending frame (60), the air duct layer (70) and the circulating air duct (80) are sequentially connected to form a loop; the bending frame (60) and the air duct layer (70) are both located in a space surrounded by the heat-insulating enclosure plate (10); the bending frame (60) comprises a plurality of sub-bending frames (601); and each of the sub-bending frames (601) is provided with a sensor assembly (602).

2. The on-line monitoring device for the fermentation state of koji according to claim 1, characterized in that: It also includes a humidifier (30), a dehumidifier (40) and an air conditioner (50); the zigzag rack (60) is connected to the humidifier (30) via a humidification pipe (301); the zigzag rack (60) is connected to the dehumidifier (40) via a dehumidification pipe (401); and the zigzag rack (60) is connected to the air conditioner (50) via an air conditioning pipe (501).

3. The online monitoring device for the fermentation state of koji according to claim 2, characterized in that: The bottom of the sub-bend frame (601) is a mesh structure.

4. The on-line monitoring device for the fermentation state of koji according to claim 2, characterized in that: The variable frequency fan (20) is respectively connected to the humidifier (30), the dehumidifier (40) and the air conditioner (50).

5. The on-line monitoring device for the fermentation state of koji according to claim 1, characterized in that: The bending frame (60) is connected to the variable frequency fan (20) via an air duct (201).

6. The on-line monitoring device for the fermentation state of koji according to claim 1, characterized in that: The sensor assembly (602) includes a temperature and humidity sensor (6021), an aroma sensor (6022), a light sensor (6023), a gas concentration sensor (6024), a color value collector (6025) and a first wind pressure sensor (6026).

7. The on-line monitoring device for the fermentation state of koji according to claim 1, characterized in that: The air duct layer (70) is provided with a second wind pressure sensor (701) and a wind speed sensor (702).

8. The on-line monitoring device for the fermentation state of koji according to claim 1, characterized in that: The thermal insulation enclosure plate (10) has three layers, the outer two layers are stainless steel plates, and the middle layer is polyurethane thermal insulation cotton.

9. The on-line monitoring device for the fermentation state of koji according to any one of claims 1 to 8, characterized in that: The heat-insulating enclosure plate (10) is provided with a feed port (101), and the feed port (101) is connected to the plurality of sub-bend racks (601) by means of a track (1011).

10. A koji making device, characterized in that: It comprises an online monitoring device (100) for the fermentation state of koji and a control device (200) as described in any one of claims 1 to 9, wherein the control device (200) comprises a condition collection machine (210) and a PLC controller (220), and the condition collection machine (210) is connected to the sensor assembly (602).

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