CN110663768A - Device for online adding of lactic acid bacteria - Google Patents
Device for online adding of lactic acid bacteria Download PDFInfo
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- CN110663768A CN110663768A CN201911002921.0A CN201911002921A CN110663768A CN 110663768 A CN110663768 A CN 110663768A CN 201911002921 A CN201911002921 A CN 201911002921A CN 110663768 A CN110663768 A CN 110663768A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
- A23C9/122—Apparatus for preparing or treating fermented milk products
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
- A23C9/122—Apparatus for preparing or treating fermented milk products
- A23C9/1223—Apparatus for preparing or treating fermented milk products for making stirred yoghurt; Apparatus with agitating or stirring means; Continuous bulk fermentation, heating or cooling, i.e. continuous inlet and outlet flow of yoghurt
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Abstract
The invention discloses a device for online adding of lactic acid bacteria, and relates to the technical field of milk production. The invention comprises an aseptic air purification system, a fermentation tank body, a lactobacillus batching tank and a milk inlet pipe; the top surface of the fermentation tank body is respectively communicated with a sterile air inlet pipe and a sterile air outlet pipe; the bottom of the fermentation tank body is communicated with a milk outlet pipe; one end of the air outlet of the sterile air purification system is communicated with the sterile air inlet pipe through an air supply main pipe; a stirring component is fixedly arranged in the fermentation tank body; the stirring component comprises a transmission motor; one surface of the transmission motor is fixedly connected with the fermentation tank body. According to the invention, the aseptic air purification system can ensure the sterility of the fermentation tank body and the lactobacillus dosing tank during working, so that the secondary pollution probability in the lactobacillus adding process is reduced, and the automatic quantitative proportioning of milk and lactobacillus can be realized through the data feedback between the flowmeter and the material suction device.
Description
Technical Field
The invention belongs to the technical field of milk production, and particularly relates to a device for online addition of lactic acid bacteria.
Background
The existing lactobacillus online adding system has no environmental protection measures and can not control the pollution of microorganisms in the external environment when lactobacillus is added, in order to solve the problem, the patent document with the application number of CN201620204592.3 discloses a lactobacillus freeze-dried powder online adding device, but the device can not completely eliminate the secondary problem of the lactobacillus adding process on milk liquid when in use and can not automatically realize the quantitative proportioning of the lactobacillus.
Disclosure of Invention
The invention aims to provide a device for online adding of lactic acid bacteria, which solves the problem that the existing device for online adding of lactic acid bacteria is easy to generate secondary pollution of milk liquid through the design of structures such as a material suction device, a flow meter, a stirring assembly and the like.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a device for on-line addition of lactic acid bacteria, which comprises an aseptic air purification system, a fermentation tank body, a lactic acid bacteria batching tank and a milk inlet pipe; the top surface of the fermentation tank body is respectively communicated with a sterile air inlet pipe and a sterile air outlet pipe; the bottom of the fermentation tank body is communicated with a milk liquid outlet pipe; one end of the air outlet of the sterile air purification system is communicated with the sterile air inlet pipe through an air supply main pipe; a stirring component is fixedly arranged in the fermentation tank body; the stirring assembly comprises a transmission motor; one surface of the transmission motor is fixedly connected with the fermentation tank body; the inner wall of the fermentation tank body is rotatably connected with a rotating shaft through a bearing; one end of the output shaft of the transmission motor is fixedly connected with the rotating shaft; the circumferential side surface of the rotating shaft is fixedly connected with a plurality of groups of stirring blades; a first cavity in an annular structure is fixedly formed in the inner wall of the fermentation tank body; the peripheral side surfaces of the fermentation tank body are respectively and fixedly connected with a liquid inlet assembly and a liquid outlet assembly; one ends of the liquid inlet assembly and the liquid outlet assembly are communicated with the first cavity;
a second cavity is fixedly formed in the rotating shaft; the peripheral side surface of the rotating shaft is fixedly connected with a plurality of groups of liquid outlet nozzles; one end of each of the liquid outlet nozzles is communicated with the second cavity; one end of the milk outlet pipe is rotationally communicated with the second cavity through a connecting piece;
the peripheral side surface of the milk outlet pipe is also communicated with a lactobacillus outlet pipe; a material sucking device is fixedly arranged at the upper part of the lactobacillus outlet pipe; the side surface of the periphery of the lactobacillus outlet pipe is also communicated with a first air supply branch pipe; one end of the first air supply branch pipe is communicated with the air supply main pipe; the peripheral side surface of the first air supply branch pipe is communicated with a second air supply branch pipe; one end of the second gas supply branch pipe is communicated with the lactobacillus dosing tank; the peripheral side surface of the lactobacillus dosing tank is also communicated with an air circulating pipe; one end of the air circulating pipe is communicated with an air outlet pipe of the sterile air purification system; one end of the sterile air outlet pipe is communicated with the air circulating pipe through a pipeline; a flow meter, a pressure meter and a flow control valve are sequentially arranged on the peripheral side of the milk inlet pipe from left to right.
Further, the inside fixed mounting of lactic acid bacteria batching jar has accuse temperature subassembly.
Furthermore, pneumatic valves are fixedly arranged on the peripheral side surfaces of the sterile air inlet pipe, the sterile air outlet pipe, the milk outlet pipe, the first air supply branch pipe, the second air supply branch pipe and the lactobacillus outlet pipe; and the air circulation pipe and the peripheral side surface of the sterile air outlet pipe are fixedly provided with one-way valves.
Further, the liquid inlet assembly comprises a liquid inlet main pipe; one end of the liquid inlet main pipe is communicated with the first cavity; the peripheral side surface of the main liquid inlet pipe is fixedly communicated with a steam inlet pipe, an ice water inlet pipe and a hot water inlet tank from left to right in sequence; and valves are arranged on the circumferential side surfaces of the steam inlet pipe, the ice water inlet pipe and the hot water inlet tank.
Further, the liquid outlet assembly comprises a liquid outlet main pipe; one end of the liquid outlet main pipe is communicated with the first cavity; a steam outlet pipe, an ice water outlet pipe and a hot water outlet tank are fixedly communicated with the peripheral side of the liquid outlet main pipe from left to right in sequence; and valves are arranged on the circumferential side surfaces of the steam outlet pipe, the ice water outlet pipe and the hot water outlet tank.
Furthermore, the stirring blades and the liquid outlet nozzles are alternately distributed on the peripheral side surface of the rotating shaft in pairs.
The invention has the following beneficial effects:
according to the invention, the aseptic air purification system can ensure the working sterility of the fermentation tank body and the lactobacillus dosing tank, so that the secondary pollution probability in the lactobacillus adding process is reduced, positive pressure air supply through the first air supply branch pipe can realize positive pressure powder supply of lactobacillus powder, so that backflow and foreign bacteria entering in the adding process of the powder are effectively avoided, automatic quantitative proportioning of milk and lactobacillus can be realized through data feedback between the flowmeter and the material suction device, and the mixing uniformity of the milk and the lactobacillus can be effectively improved through the distribution design of the liquid outlet nozzle and the stirring assembly, so that the rapid fermentation of the milk is facilitated.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus for on-line addition of lactic acid bacteria;
FIG. 2 is a schematic cross-sectional view of the stirring assembly;
in the drawings, the components represented by the respective reference numerals are listed below:
1-sterile air purification system, 2-fermentation tank body, 3-lactic acid bacteria dosing tank, 4-milk inlet pipe, 5-sterile air inlet pipe, 6-sterile air outlet pipe, 7-milk outlet pipe, 8-air supply main pipe, 9-stirring component, 10-first cavity, 11-liquid inlet component, 12-liquid outlet component, 13-lactic acid bacteria outlet pipe, 14-material sucker, 15-first air supply branch pipe, 16-second air supply branch pipe, 17-air circulation pipe, 18-flow meter, 19-pressure gauge, 20-flow control valve, 21-pneumatic valve, 22-one-way valve, 901-transmission motor, 902-rotating shaft, 903-stirring blade, 904-second cavity and 905-liquid outlet nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the invention is a device for online addition of lactic acid bacteria, comprising an aseptic air purification system 1, a fermentation tank body 2, a lactic acid bacteria batching tank 3 and a milk inlet pipe 4, wherein the aseptic air purification system 1 carries out rapid air sterilization through steam, the aseptic air purification system 1 is an existing mechanism and is not repeated herein, the top surface of the fermentation tank body 2 can also be provided with a temperature monitoring component such as a temperature sensor and other components, the inside of the fermentation tank body can also be provided with a CIP online cleaning nozzle, and the lactic acid bacteria batching tank 3 is fixedly provided with powder after freeze-drying of lactic acid bacteria;
the top surface of the fermentation tank body 2 is respectively communicated with a sterile air inlet pipe 5 and a sterile air outlet pipe 6; the bottom of the fermentation tank body 2 is communicated with a milk outlet pipe 7, the milk outlet pipe 7 is communicated with the next processing procedure in a milk production line during actual production, and the liquid discharged from the milk outlet pipe 7 is a fermented and lactic milk finished product;
one end of the air outlet of the sterile air purification system 1 is communicated with the sterile air inlet pipe 5 through an air supply main pipe 8; a stirring component 9 is fixedly arranged in the fermentation tank body 2; the stirring assembly 9 comprises a transmission motor 901; one surface of the transmission motor 901 is fixedly connected with the fermentation tank body 2; the inner wall of the fermentation tank body 2 is rotatably connected with a rotating shaft 902 through a bearing; one end of an output shaft of the transmission motor 901 is fixedly connected with the rotating shaft 902; four groups of stirring blades 903 are fixedly connected to the peripheral side face of the rotating shaft 902, the number of each group of stirring blades 903 is four, and the stirring blades 903 are used for accelerating the fermentation speed of the milk, fully mixing the milk and the lactobacillus sealing material and breaking bubbles in the milk;
a first cavity 10 in an annular structure is fixedly formed in the inner wall of the fermentation tank body 2, and a liquid inlet assembly 11 and a liquid outlet assembly 12 are fixedly connected to the circumferential side surface of the fermentation tank body 2 respectively; one ends of the liquid inlet component 11 and the liquid outlet component 12 are both communicated with the first cavity 10, and the fermentation tank 2 is insulated, heated or cooled by different liquid inlets of the liquid inlet component 11;
a second cavity 904 is fixedly formed in the rotating shaft 902; four groups of liquid outlet nozzles 905 are fixedly connected to the peripheral side surface of the rotating shaft 902; one ends of the four groups of liquid outlets 905 are communicated with the second cavity 904; one end of the milk liquid outlet pipe 7 is rotatably communicated with the second cavity 904 through a connecting piece, and the second cavity 904 is used for the entrance of milk liquid and the entrance of mixed liquid of the milk liquid and lactobacillus powder;
the side surface of the periphery of the milk outlet pipe 7 is also communicated with a lactobacillus outlet pipe 13; a material suction device 14 is fixedly arranged at the upper part of the lactobacillus outlet pipe 13, the material suction device 14 is arranged for realizing automatic quantitative material suction through the control of a central control system, wherein the material suction amount of the material suction device 14 is controlled by the central control system, and the material suction amount of the material suction device 14 and the flow of the flow meter 18 form feedback, so that the quantitative proportioning of the milk and the lactobacillus powder is realized;
the peripheral side surface of the lactobacillus outlet pipe 13 is also communicated with a first air supply branch pipe 15; one end of the first air supply branch pipe 15 is communicated with the air supply main pipe 8; the peripheral side surface of the first air supply branch pipe 15 is communicated with a second air supply branch pipe 16; one end of the second air supply branch pipe 16 is communicated with the lactobacillus dosing tank 3; the side surface of the periphery of the lactobacillus dosing tank 3 is also communicated with an air circulating pipe 17; one end of the air circulation pipe 17 is communicated with an air outlet pipe of the sterile air purification system 1; one end of the sterile air outlet pipe 6 is communicated with an air circulating pipe 17 through a pipeline; the side surface of the milk inlet pipe 4 is sequentially provided with a flowmeter 18, a pressure gauge 19 and a flow control valve 20 from left to right, and during actual production, the milk inlet pipe 4 is communicated with a milk supply line;
the flow control valve 20 is used for controlling the flow and the pressure of the milk outlet pipe 7, the flow meter 18 and the pressure gauge 19 are used for monitoring the flow information and the pressure information in the milk outlet pipe 7 in real time, the flow meter 18 and the pressure gauge 19 transmit the monitored real-time information to the central control system, and the central control system controls the working state of relevant mechanisms according to data feedback of the flow meter 18 and the pressure gauge 19.
Wherein, 3 inside fixed mounting of lactic acid bacteria batching jar have the accuse temperature subassembly, and the accuse temperature subassembly includes refrigeration subassembly and temperature monitoring mechanism, and the accuse temperature subassembly accepts central control system's control, and the effect that the accuse temperature subassembly set up lies in realizing the long-term storage to the lactic acid bacteria powder, and the accuse temperature subassembly maintains the temperature of 3 inside lactic acid bacteria batching jar at 4 ℃.
Wherein, pneumatic valves 21 are fixedly arranged on the peripheral side surfaces of the sterile air inlet pipe 5, the sterile air outlet pipe 6, the milk outlet pipe 7, the first air supply branch pipe 15, the second air supply branch pipe 16 and the lactobacillus outlet pipe 13; the air circulation pipe 17 and the peripheral side surface of the sterile air outlet pipe 6 are both fixedly provided with one-way valves 22, the pneumatic valves 21 are all automatically controlled by the central control system, and the one-way valves 22 are used for realizing the purpose that waste gas only flows out but not flows in.
Wherein, the liquid inlet component 12 comprises a liquid inlet main pipe; one end of the liquid inlet main pipe is communicated with the first cavity 10; the peripheral side of the main liquid inlet pipe is fixedly communicated with a steam inlet pipe, an ice water inlet pipe and a hot water inlet tank from left to right; the steam inlet pipe, the ice water inlet pipe and the hot water inlet tank are all provided with valves on the peripheral side surface, and heating, heat preservation and cooling of the fermentation tank body 2 are realized through different liquid inlet.
Wherein, the liquid outlet assembly 12 comprises a liquid outlet main pipe; one end of the liquid outlet main pipe is communicated with the first cavity 10; a steam outlet pipe, an ice water outlet pipe and a hot water outlet tank are fixedly communicated with the peripheral side of the liquid outlet main pipe from left to right in sequence; valves are arranged on the circumferential side surfaces of the steam outlet pipe, the ice water outlet pipe and the hot water outlet tank.
Wherein, the stirring blades 903 and the liquid outlet nozzles 905 are alternately distributed on the peripheral surface of the rotating shaft 902 in pairs.
One specific application of this embodiment is: the effect that the device set up mainly lies in realizing the online interpolation of lactic acid bacteria, the during operation, realize the aseptic nature of fermentation cylinder body 2 and 3 inside air of lactic acid bacteria batching jar through aseptic air purification system, and then avoid the secondary pollution in fermentation process and lactic acid bacteria storage process, the circulation flow and the circulation supply that then realize aseptic air through air circulation pipe 17, and can realize the long-term save of lactic acid bacteria through the accuse temperature subassembly in the lactic acid bacteria batching jar 3, the device's concrete theory of operation does: before lactobacillus is added, the material suction device 14 and the first air supply branch pipe 15 are closed, a certain amount of milk is filled into the fermentation tank body 2 in advance through the milk inlet pipe 4, after the certain amount of milk is added, the stirring assembly 9 works, then the milk is pre-stirred at a set speed, then the lactobacillus is added, when the lactobacillus is added, the first air supply pipe 15 works, the central control system receives data feedback of the flow meter 18 and the pressure meter 19 in real time and controls the flow and the pressure of the milk inlet pipe 4 through the control of the flow control valve 20 so as to avoid the milk from overflowing to the lactobacillus outlet pipe 13, the data of the flow meter 17 and the material suction device 14 form feedback to realize quantitative blanking of powder, so as to realize the quantitative proportioning of lactobacillus powder and the milk, the first air supply pipe 15 plays a role in providing positive pressure to avoid the backflow of the powder, after the lactobacillus is added into the fermentation tank body 1, the stirring assembly 9 continues to work, and then fermentation is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A device for on-line addition of lactic acid bacteria comprises an aseptic air purification system (1), a fermentation tank body (2), a lactic acid bacteria batching tank (3) and a milk inlet pipe (4); the top surface of the fermentation tank body (2) is respectively communicated with a sterile air inlet pipe (5) and a sterile air outlet pipe (6); the bottom of the fermentation tank body (2) is communicated with a milk liquid outlet pipe (7); one end of the air outlet of the sterile air purification system (1) is communicated with the sterile air inlet pipe (5) through an air supply main pipe (8); a stirring component (9) is fixedly arranged in the fermentation tank body (2); the stirring assembly (9) comprises a transmission motor (901); one surface of the transmission motor (901) is fixedly connected with the fermentation tank body (2); the inner wall of the fermentation tank body (2) is rotatably connected with a rotating shaft (902) through a bearing; one end of an output shaft of the transmission motor (901) is fixedly connected with the rotating shaft (902); the circumferential side surface of the rotating shaft (902) is fixedly connected with a plurality of groups of stirring blades (903); fermentation cylinder body (2) inner wall is fixed to be seted up and is first cavity (10) that are the loop configuration, its characterized in that:
the peripheral side surface of the fermentation tank body (2) is fixedly connected with a liquid inlet component (11) and a liquid outlet component (12) respectively; one ends of the liquid inlet assembly (11) and the liquid outlet assembly (12) are communicated with the first cavity (10);
a second cavity (904) is fixedly formed in the rotating shaft (902); the peripheral side surface of the rotating shaft (902) is fixedly connected with a plurality of groups of liquid outlet nozzles (905); one end of each of the liquid outlet nozzles (905) is communicated with the second cavity (904); one end of the milk outlet pipe (7) is rotatably communicated with the second cavity (904) through a connecting piece;
the peripheral side surface of the milk outlet pipe (7) is also communicated with a lactobacillus outlet pipe (13); a material suction device (14) is fixedly arranged at the upper part of the lactobacillus outlet pipe (13); the peripheral side surface of the lactobacillus outlet pipe (13) is also communicated with a first air supply branch pipe (15); one end of the first air supply branch pipe (15) is communicated with the air supply main pipe (8); the peripheral side surface of the first air supply branch pipe (15) is communicated with a second air supply branch pipe (16); one end of the second air supply branch pipe (16) is communicated with the lactobacillus dosing tank (3); the peripheral side surface of the lactobacillus dosing tank (3) is also communicated with an air circulating pipe (17); one end of the air circulating pipe (17) is communicated with an air outlet pipe of the sterile air purification system (1); one end of the sterile air outlet pipe (6) is communicated with an air circulating pipe (17) through a pipeline;
a flowmeter (18), a pressure gauge (19) and a flow control valve (20) are sequentially arranged on the peripheral side surface of the milk inlet pipe (4) from left to right.
2. The device for the on-line addition of lactic acid bacteria according to claim 1, characterized in that a temperature control component is fixedly installed inside the lactic acid bacteria dosing tank (3).
3. The device for the on-line addition of lactic acid bacteria according to claim 1, wherein pneumatic valves (21) are fixedly installed on the peripheral side surfaces of the sterile air inlet pipe (5), the sterile air outlet pipe (6), the milk outlet pipe (7), the first air supply branch pipe (15), the second air supply branch pipe (16) and the lactic acid bacteria outlet pipe (13); and one-way valves (22) are fixedly arranged on the peripheral side surfaces of the air circulation pipe (17) and the sterile air outlet pipe (6).
4. The device for the on-line addition of lactic acid bacteria according to claim 1, characterized in that the liquid inlet component (12) comprises a liquid inlet main pipe; one end of the liquid inlet main pipe is communicated with the first cavity (10); the peripheral side surface of the main liquid inlet pipe is fixedly communicated with a steam inlet pipe, an ice water inlet pipe and a hot water inlet tank from left to right in sequence; and valves are arranged on the circumferential side surfaces of the steam inlet pipe, the ice water inlet pipe and the hot water inlet tank.
5. The device for the on-line addition of lactic acid bacteria according to claim 1, wherein the liquid outlet assembly (12) comprises a liquid outlet main pipe; one end of the liquid outlet main pipe is communicated with the first cavity (10); a steam outlet pipe, an ice water outlet pipe and a hot water outlet tank are fixedly communicated with the peripheral side of the liquid outlet main pipe from left to right in sequence; and valves are arranged on the circumferential side surfaces of the steam outlet pipe, the ice water outlet pipe and the hot water outlet tank.
6. The device for the on-line addition of lactic acid bacteria according to claim 1, wherein the stirring blades (903) and the liquid outlet nozzles (905) are alternately arranged two by two on the circumferential side of the rotating shaft (902).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911002921.0A CN110663768A (en) | 2019-10-22 | 2019-10-22 | Device for online adding of lactic acid bacteria |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911002921.0A CN110663768A (en) | 2019-10-22 | 2019-10-22 | Device for online adding of lactic acid bacteria |
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| CN110663768A true CN110663768A (en) | 2020-01-10 |
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| CN201911002921.0A Pending CN110663768A (en) | 2019-10-22 | 2019-10-22 | Device for online adding of lactic acid bacteria |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063560A (en) * | 2020-09-21 | 2020-12-11 | 陈艳 | Method for culturing lactic acid bacteria |
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| CN205603577U (en) * | 2016-03-17 | 2016-09-28 | 临沂格瑞食品有限公司 | Online interpolation equipment of lactic acid bacteria freeze -drying powder |
| CN208030157U (en) * | 2017-08-24 | 2018-11-02 | 内蒙古蒙牛乳业（集团）股份有限公司 | A kind of Yoghourt feeding device and its preparation facilities |
| CN208980712U (en) * | 2018-06-22 | 2019-06-14 | 广州市朴诚乳业有限公司 | It ferments system to be installed |
| CN211091647U (en) * | 2019-10-22 | 2020-07-28 | 江苏美天奶业有限公司 | Device for online adding of lactic acid bacteria |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203990421U (en) * | 2014-08-04 | 2014-12-10 | 衢州泰翔化工科技有限公司 | A kind of industrial chemicals agitator |
| CN204722162U (en) * | 2015-06-29 | 2015-10-28 | 斯必克（上海）流体技术有限公司 | Online bacterial classification add-on system |
| CN205603577U (en) * | 2016-03-17 | 2016-09-28 | 临沂格瑞食品有限公司 | Online interpolation equipment of lactic acid bacteria freeze -drying powder |
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| CN112063560A (en) * | 2020-09-21 | 2020-12-11 | 陈艳 | Method for culturing lactic acid bacteria |
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