Liquid strain feeding machine capable of quantitatively feeding liquid strains into fermentation tank
By using a peristaltic pump and flow sensor in the fermenter, combined with a control device, precise quantitative dispensing and convenient cleaning of liquid microbial culture can be achieved. This solves the problems of large dispensing errors and difficult cleaning in existing technologies, and improves the accuracy of fermentation production and the cleanliness of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-10
- Publication Date
- 2026-03-27
AI Technical Summary
The existing method of adding liquid microbial culture to fermenters suffers from large errors in manual quantitative addition and is difficult to clean, which can easily lead to cross-contamination.
The system employs a peristaltic pump and flow sensor in conjunction with a control device to achieve precise quantitative dispensing of liquid bacterial cultures, and facilitates easy cleaning of the equipment via quick-connect fittings and an emptying valve.
It enables precise quantitative dispensing of liquid microbial culture, reduces human error, improves fermentation efficiency, simplifies equipment cleaning, and reduces the risk of cross-contamination.
Smart Images

Figure CN224047359U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fermentation equipment technical field, concretely is a kind of liquid inoculum feeding machine of quantitative input fermentation tank. BACKGROUND
[0002] In the biological fermentation production process, the feeding amount of liquid inoculum plays a crucial role in fermentation effect, and in the fermentation process of microorganisms in the existing fermentation tank, the staff needs to feed liquid inoculum in the fermentation tank several times, so as to facilitate the fermentation of microorganisms in the fermentation tank, but the existing part of the liquid inoculum feeding mode is often artificial feeding, which is prone to cause feeding error due to artificial feeding of liquid inoculum, thereby affecting the fermentation of microorganisms in the fermentation tank.
[0003] The existing patent (announcement number: CN218435744U) discloses a kind of liquid inoculum feeding machine of quantitative input fermentation tank, including storage tank, the bottom of the storage tank is fixedly installed with quantitative cylinder, the bottom of the quantitative cylinder is fixedly installed with feeding cylinder, the top of the storage tank is fixedly installed with feeding end, the top of the quantitative cylinder is fixedly installed with electromagnetic valve, the inside of the feeding cylinder is fixedly installed with support frame, the surface of the support frame is fixedly installed with electric push rod, the top of the electric push rod is fixedly installed with positioning plate, the positioning plate is located at the connecting end of quantitative cylinder and feeding cylinder.
[0004] The above-mentioned patent in the process of using, although through the electromagnetic valve rotation will need to be fed liquid inoculum amount to be delivered to quantitative cylinder, then liquid inoculum is weighed and measured by weighing sensor, and staff can observe the volume size of liquid inoculum entering quantitative cylinder through the scale line on the surface of transparent plate, when the liquid inoculum in quantitative cylinder reaches the standard, the position of electric push rod moves positioning plate, so that liquid inoculum enters feeding cylinder from quantitative cylinder, to achieve the purpose of quantitative feeding of liquid inoculum, but it still has certain deficiency in the process of using, first, the method of liquid inoculum measurement is only single weighing, then the scale line is observed by naked eye, there is certain error in naked eye observation confirmation, it is difficult to achieve accurate quantitative, and the equipment is difficult to clean after using the above-mentioned patent, which is easy to cause cross contamination, affect subsequent fermentation production. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of liquid inoculum feeding machine of quantitative input fermentation tank, with the advantages of accurate quantitative feeding and convenient cleaning and maintenance, solves the problems raised in the above background art.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of liquid strain feeding machine of quantitative input fermentation tank, including the tank body for fermentation being arranged in the lowermost, the upper surface of the tank body is provided with liquid storage tank, the right side of the liquid storage tank is provided with peristaltic pump and flow sensor, the peristaltic pump and flow sensor are connected with the control device of outside, transmission pipeline is installed in the right side of the liquid storage tank, the transmission pipeline is connected with tank body by peristaltic pump and flow sensor.
[0007] Further, the liquid storage tank is made of stainless steel material, in a cylindrical structure, the upper surface of the liquid storage tank is provided with a feed inlet and a vent, the vent is provided with an air filter, the bottom of the liquid storage tank is in a conical structure, and the bottom of the liquid storage tank is provided with a vent valve.
[0008] Through the above scheme, the feed inlet is used to add liquid strain into the liquid storage tank, and the air filter is installed at the vent to prevent foreign bacteria from entering the liquid storage tank.
[0009] Further, the peristaltic pump includes a roller, a pump tube and a pump shell, the pump shell is installed on the upper surface of the tank body, the roller is installed on the front surface of the pump shell, the pump tube is made of food-grade silica gel tube, and the pump tube is connected with the transmission pipeline.
[0010] Through the above scheme, the speed of the peristaltic pump can be accurately adjusted by the control device outside, so as to control the flow of the liquid strain.
[0011] Further, the flow sensor is installed on the upper surface of the tank body, and the flow sensor is located at the outlet end of the peristaltic pump.
[0012] Through the above scheme, the flow sensor is used to monitor the flow of the liquid strain in real time, the flow sensor is an electromagnetic flow sensor or an ultrasonic flow sensor, has high measurement accuracy and fast response speed, and can transmit the flow signal to the control device outside in real time.
[0013] Further, the end of the transmission pipeline is provided with a quick male connector, the upper surface of the tank body is provided with a corresponding quick female connector, the quick male connector is inserted into the quick female connector, and a sealing rubber ring is installed at the connection position of the quick male connector and the quick female connector.
[0014] Through the above scheme, the transmission pipeline can be quickly connected with the tank body through the quick male connector and the quick female connector.
[0015] Further, a liquid level meter is installed on the outer surface of the liquid storage tank.
[0016] Through the above scheme, the remaining volume of the liquid in the liquid storage tank can be directly observed through the liquid level meter.
[0017] Further, the inner wall of the tank body is rotationally connected with a rotating rod, an outer surface of the rotating rod is fixed with a stirring rod, a bottom surface of the tank body is installed with a stirring motor, and an output end of the stirring motor is connected with the rotating rod.
[0018] Through the above scheme, the rotating rod can be driven to rotate by the stirring motor, and the rotation of the rotating rod drives the stirring rod to stir the material and the liquid strain, thereby assisting the fermentation operation.
[0019] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0020] The liquid strain feeding machine of the quantitative fermentation tank can realize accurate quantitative feeding of the liquid strain by cooperation of the peristaltic pump and the flow sensor and control of the external control device, meet the strict requirements of fermentation production on the amount of strain feeding, and after feeding is completed, the residual liquid strain in the liquid storage tank can be discharged to the collection container through the emptying valve, the residual liquid strain in the transmission pipeline can be discharged by inserting the quick male head into the collection container, then the cleaning liquid is injected into the liquid storage tank and the peristaltic pump is started, and the cleaning liquid is moved in the transmission pipeline by the peristaltic pump, thereby completing cleaning of the liquid storage tank and the transmission pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a whole three-dimensional structure diagram of the present application;
[0022] Figure 2 It is a structure diagram of the whole roller of the present application;
[0023] Figure 3 It is a side view of the whole liquid storage tank of the present application;
[0024] Figure 4 It is a whole structure diagram of the present application.
[0025] In the drawings:
[0026] 1, tank body; 2, liquid storage tank;
[0027] 3, peristaltic pump; 301, roller; 302, pump pipe; 303, pump shell;
[0028] 4, flow sensor; 5, transmission pipeline; 6, feed inlet; 7, air filter; 8, emptying valve; 9, quick male head; 10, quick female head; 11, liquid level meter; 12, rotating rod; 13, stirring rod; 14, stirring motor. DETAILED DESCRIPTION
[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0030] Please refer to Figure 1 , Figure 2 and Figure 3 , the liquid strain feeding machine for quantitative feeding of a fermentation tank in the embodiment comprises a tank body 1 for fermentation arranged at the lowermost position, a liquid storage tank 2 arranged on the upper surface of the tank body 1, a peristaltic pump 3 and a flow sensor 4 arranged on the right side of the liquid storage tank 2, the peristaltic pump 3 and the flow sensor 4 being connected with a control device outside, the model of the peristaltic pump 3 being BT600L flow type intelligent peristaltic pump, the model of the flow sensor 4 being PLF2000 series liquid flow sensor, a transmission pipeline 5 being installed on the right side of the liquid storage tank 2, the transmission pipeline 5 being communicated with the tank body 1 via the peristaltic pump 3 and the flow sensor 4.
[0031] Please refer to Figure 1 , Figure 2 and Figure 3 , the liquid storage tank 2 is made of stainless steel and has a cylindrical structure, the upper surface of the liquid storage tank 2 is provided with a feeding port 6 and a vent port, an air filter 7 is installed at the vent port, the bottom of the liquid storage tank 2 is in a conical structure, the bottom of the liquid storage tank 2 is provided with an emptying valve 8, the feeding port 6 is used for adding liquid strain into the liquid storage tank 2, the air filter 7 installed at the vent port can prevent foreign bacteria from entering the liquid storage tank 2, the peristaltic pump 3 comprises a roller 301, a pump pipe 302 and a pump shell 303, the pump shell 303 is installed on the upper surface of the tank body 1, the roller 301 is installed on the front surface of the pump shell 303, the pump pipe 302 is made of food-grade silica gel pipe, the pump pipe 302 is communicated with the transmission pipeline 5, and the rotating speed of the peristaltic pump 3 can be accurately adjusted by the control device outside, so as to control the flow of the liquid strain.
[0032] Please refer to Figure 2 , Figure 3 and Figure 4The flow sensor 4 is installed on the upper surface of the tank body 1, the flow sensor 4 is located at the outlet end of the peristaltic pump 3, the flow sensor 4 is used for monitoring the flow of the liquid strain in real time, the flow sensor 4 adopts an electromagnetic flow sensor 4 or an ultrasonic flow sensor 4, the measurement accuracy is high, the response speed is fast, the flow signal can be transmitted to the control device outside in real time, and the end of the transmission pipeline 5 is provided with a quick male head 9, the upper surface of the tank body 1 is provided with a corresponding quick female head 10, the quick male head 9 is inserted into the quick female head 10, and the sealing rubber ring is installed at the connection position of the quick male head 9 and the quick female head 10, so that the transmission pipeline 5 can be quickly connected with the tank body 1.
[0033] Please refer to Figure 2 、 Figure 3 and Figure 4 The outer surface of the liquid storage tank 2 is provided with a liquid level meter 11, the remaining volume of the liquid in the liquid storage tank 2 can be directly observed through the liquid level meter 11, the inner wall of the tank body 1 is rotationally connected with a rotating rod 12, the outer surface of the rotating rod 12 is fixedly provided with a stirring rod 13, the bottom surface of the tank body 1 is provided with a stirring motor 14, the output end of the stirring motor 14 is connected with the rotating rod 12, the rotating rod 12 can be driven to rotate by the stirring motor 14, and the rotating rod 12 drives the stirring rod 13 to stir the material and the liquid strain, thereby assisting the fermentation operation.
[0034] It should be noted that when the cleaning operation is performed, the disinfecting cleaning liquid is used for cleaning first, and then the clean water is used for secondary flushing after the cleaning is completed.
[0035] The working principle of the above embodiment is as follows: first, the liquid strain is filled in the liquid storage tank 2, the required parameters such as the feeding amount and the feeding speed are set through the control device outside, after the setting is completed, the control device outside controls the peristaltic pump 3 to start working, the liquid strain is conveyed from the liquid storage tank 2 to the fermentation tank through the transmission pipeline 5, in the conveying process, the flow sensor 4 monitors the flow of the liquid strain in real time, and transmits the flow signal to the control device outside, the control device outside compares the actual flow value with the preset flow value, automatically adjusts the rotating speed of the peristaltic pump 3, so that the actual flow value tends to be close to the preset flow value, and the precise quantitative feeding is realized.
[0036] Meanwhile, the operator can view the flow and the cumulative feeding amount and other information in the feeding process in real time through the control device outside, so as to timely master the feeding situation, when the cumulative feeding amount reaches the preset feeding amount, the control device controls the peristaltic pump 3 to stop working, and the quantitative feeding operation is completed.
[0037] After the end of the delivery, if the equipment needs to be cleaned, the emptying valve 8 is opened, the residual liquid strain in the storage tank 2 can be discharged to the collection container through the emptying valve 8, the quick connector male head 9 is inserted into the collection container, the residual liquid strain in the transmission pipeline 5 can be discharged to the collection container, then the cleaning liquid is injected into the storage tank 2, the peristaltic pump 3 is started, the cleaning liquid is moved in the transmission pipeline 5 by the peristaltic pump 3, and the cleaning of the storage tank 2 and the transmission pipeline 5 is completed.
[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A liquid inoculum dispenser for quantitatively adding microbial culture to a fermenter, comprising a fermentation tank (1) located at the bottom, characterized in that: The upper surface of the tank (1) is provided with a liquid storage tank (2). A peristaltic pump (3) and a flow sensor (4) are provided on the right side of the liquid storage tank (2). The peristaltic pump (3) and the flow sensor (4) are connected to an external control device. A transmission pipe (5) is installed on the right side of the liquid storage tank (2). The transmission pipe (5) is connected to the tank (1) via the peristaltic pump (3) and the flow sensor (4).
2. The liquid inoculum dispenser for quantitative feeding into a fermenter according to claim 1, characterized in that: The liquid storage tank (2) is made of stainless steel and has a cylindrical structure. The upper surface of the liquid storage tank (2) is provided with a feed inlet (6) and a vent. An air filter (7) is installed at the vent. The bottom of the liquid storage tank (2) has a conical structure and an air vent valve (8) is provided at the bottom of the liquid storage tank (2).
3. The liquid inoculum dispenser for quantitative feeding into a fermenter according to claim 1, characterized in that: The peristaltic pump (3) includes a roller (301), a pump tube (302) and a pump housing (303). The pump housing (303) is installed on the upper surface of the tank (1). The roller (301) is installed on the front of the pump housing (303). The pump tube (302) is made of food-grade silicone tubing and is connected to the transmission pipeline (5).
4. The liquid inoculum dispenser for quantitative feeding into a fermenter according to claim 1, characterized in that: The flow sensor (4) is installed on the upper surface of the tank (1) and is located at the outlet end of the peristaltic pump (3).
5. The liquid inoculum dispenser for quantitative feeding into a fermenter according to claim 1, characterized in that: The end of the transmission pipe (5) is equipped with a quick-connect male connector (9), and the upper surface of the tank (1) is equipped with a corresponding quick-connect female connector (10). The quick-connect male connector (9) and the quick-connect female connector (10) are plugged into each other, and a sealing ring is installed at the connection position of the quick-connect male connector (9) and the quick-connect female connector (10).
6. The liquid inoculum dispenser for quantitative feeding into a fermenter according to claim 1, characterized in that: A level gauge (11) is installed on the outer surface of the storage tank (2).
7. The liquid inoculum dispenser for quantitative feeding into a fermenter according to claim 1, characterized in that: A rotating rod (12) is rotatably connected to the inner wall of the tank (1). A stirring rod (13) is fixed to the outer surface of the rotating rod (12). A stirring motor (14) is installed on the bottom surface of the tank (1). The output end of the stirring motor (14) is connected to the rotating rod (12).
Citation Information
Patent Citations
Liquid strain feeding machine capable of quantitatively feeding liquid strains into fermentation tank
CN218435744U