Ventilated fermentation bag

Abstract

The utility model discloses a ventilation type fermentation bag which comprises an outer bag, an inner bag, a connector device and an air outlet device. Openings are formed in the upper portions of the outer bag and the inner bag, the inner bag is arranged in the outer bag, the air outlet device is arranged at the bottom in the inner bag, air outlet holes are formed in the air outlet device, and the connector device penetrates through the outer bag and the inner bag and is arranged on the bag wall of the outer bag and the bag wall of the inner bag. The connector device is located on the lower portion of the outer bag and the lower portion of the inner bag and communicated with the air outlet device. When the ventilated fermentation bag disclosed by the utility model is used for producing and processing fermented feed, the ventilation of materials in the fermentation bag can be realized, fresh air can be supplemented into the materials in the fermentation bag, the breeding and metabolism activity time of aerobic fermentation strains in the materials is prolonged, and the quality of the fermented feed is further improved; the device is simple in structure and flexible and convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of fermentation, in particular to a ventilated fermentation bag. Background Art

[0002] When producing and processing fermented feed, you can choose the bag fermentation process. Bag fermentation is a simple, efficient and low-cost fermented feed production and processing solution. After the fermented feed material inoculated with fermentation liquid is put into a plastic fermentation bag, it can be fermented for a period of time.

[0003] When using the current conventional bag fermentation process for fermented feed production, the bag cannot be ventilated. In this case, if the bacteria used for fermentation are aerobic microorganisms, there is an aerobic fermentation process, but because the air retained in the bag is limited, when the air in the material in the bag is slowly consumed during the fermentation process, and no fresh air is added to the material, the fermentation bacteria in the material cannot exert its maximum fermentation effect, which is not conducive to improving the quality of the fermented feed. Therefore, it is very necessary to develop a ventilated fermentation bag. Summary of the invention

[0004] The purpose of the utility model is to provide a ventilated fermentation bag. When the ventilated fermentation bag of the utility model is used for fermented feed production and processing, ventilation can be achieved for the materials in the fermentation bag, and fresh air can be added to the materials in the fermentation bag, thereby prolonging the reproduction and metabolic activity time of aerobic fermentation bacteria in the materials, promoting the aerobic bacteria in the materials to the greatest extent to exert their fermentation effect, which is beneficial to further improve the quality of fermented feed, ensure the fermentation quality of the materials in the fermentation bag, and better achieve the fermentation purpose. The utility model has a simple structure and is flexible and convenient to disassemble and assemble.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A ventilated fermentation bag, comprising an outer bag, an inner bag, a joint device, and an air outlet device;

[0007] The upper parts of the outer bag and the inner bag are both provided with openings, the inner bag is provided inside the outer bag, the air outlet device is provided at the bottom inside the inner bag, the air outlet device is provided with air outlet holes, the joint device passes through the outer bag and the inner bag, the joint device is provided on the bag walls of the outer bag and the inner bag, the joint device is located at the lower parts of the outer bag and the inner bag, and the joint device is connected to the air outlet device.

[0008] Preferably, the joint device includes an external thread pagoda connecting tube, a first nut, and a second nut. The external thread pagoda connecting tube passes through the outer bag and the inner bag, the threaded end of the external thread pagoda connecting tube faces the outside of the outer bag, and the non-threaded end of the external thread pagoda connecting tube faces the inside of the inner bag. The non-threaded end of the external thread pagoda connecting tube is connected to the air outlet device, the first nut and the second nut clamp the outer bag and the inner bag to the threaded end of the external thread pagoda connecting tube, and the first nut and the second nut are threadedly connected to the threaded end of the external thread pagoda connecting tube.

[0009] Preferably, the joint device also includes a first washer and a second washer, and the first washer and the second washer are both sleeved on the outer thread pagoda connecting tube, the first washer is arranged between the first nut and the bag wall of the outer bag, and the second washer is arranged between the second nut and the bag wall of the inner bag.

[0010] Preferably, it further comprises a sealing cover, the air inlet end of the joint device extends out of the bag wall of the outer bag, and the sealing cover is arranged on the air inlet end of the joint device.

[0011] Preferably, it further comprises a sealing gasket, which is arranged inside the sealing cover.

[0012] Preferably, the air outlet device is a spiral tube, a plurality of first air outlet holes are arranged on the spiral tube, and the end of the spiral tube is closed.

[0013] Preferably, the air inlet end of the spiral tube is connected to an elbow, and the elbow is connected to the air outlet end of the connector device through a transition pipe.

[0014] Preferably, the air outlet device is a disc nozzle, the disc nozzle is connected to the joint device through a ventilation pipe, and a plurality of second air outlet holes are arranged on the disc nozzle.

[0015] Preferably, it also includes gauze, which is arranged inside the inner bag and above the air outlet device.

[0016] The beneficial effects of the utility model are:

[0017] When the ventilated fermentation bag of the utility model is used for fermented feed production and processing, ventilation can be achieved for the materials in the fermentation bag, fresh air can be added to the materials in the fermentation bag, the reproduction and metabolic activity time of the aerobic fermentation bacteria in the materials can be prolonged, and the aerobic bacteria in the materials can be promoted to the greatest extent to play their fermentation role, which is beneficial to further improve the quality of the fermented feed, ensure the fermentation quality of the materials in the fermentation bag, and better achieve the fermentation purpose; the utility model has a simple structure and is flexible and convenient to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional front view schematic diagram of a ventilated fermentation bag of the utility model.

[0019] Figure 2 for Figure 1 Schematic diagram of the partial internal structure when the central air outlet device is a spiral tube.

[0020] Figure 3 for Figure 1 Schematic diagram of the partial internal structure when the center air outlet device is a disc nozzle.

[0021] Figure 4 This is a schematic diagram of the structural state of the spiral tube when the air outlet device in the utility model is a spiral tube.

[0022] Figure 5 It is a schematic diagram of the structural state of the gauze in the utility model.

[0023] Figure 6 It is a schematic diagram of the structural state of the joint device after being disassembled and dispersed in the utility model.

[0024] Figure 7 It is a schematic diagram of the state of the joint device after installation in the utility model.

[0025] Figure 8 for Figure 7 Schematic diagram of the internal structure.

[0026] Fig. 9 for Figure 7 Schematic diagram of the structural status of the middle joint device after disassembly and dispersion.

[0027] Fig.10 It is a front view schematic diagram of a disc nozzle when the air outlet device in the utility model is a disc nozzle.

[0028] Fig.11 for Fig.10 Top view of the .

[0029] In the figure: 1-bag bottom, 2-bag opening, 3-outer bag, 4-inner bag, 5-connector device, 6-air outlet device, 7-gauze, 8-transition pipe, 9-elbow, 10-first air outlet, 11-plug, 12-external thread pagoda connecting pipe, 13-first nut, 14-second nut, 15-first gasket, 16-second gasket, 17-sealing cover, 18-sealing gasket, 19-threaded end, 20-non-threaded end, 21-ventilation pipe, 22-disc nozzle, 23-second air outlet. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] As attached Figure 1-11 As shown: a ventilated fermentation bag, comprising an outer bag 3, an inner bag 4, a joint device 5, and an air outlet device 6;

[0032] The upper parts of the outer bag 3 and the inner bag 4 are both provided with openings, and the inner bag 4 is arranged inside the outer bag 3. The outer bag 3 can be a flexible transport packaging container, for example, the outer bag 3 is a ton bag made of polypropylene, polyethylene, nylon or the like;

[0033] The inner bag 4 can be a flexible packaging container, and the inner bag 4 is a bag body made of an airtight material, for example: the inner bag 4 is a film bag body made of plastic; the size and volume of the outer bag 3 and the inner bag 4 can be flexibly set according to actual needs to meet the purpose of flexible production and processing.

[0034] The air outlet device 6 is arranged at the bottom of the inner bag 4, and an air outlet hole is arranged on the air outlet device 6. The air outlet device 6 is detachably fixed to the bag bottom 1 inside the inner bag 4, that is, the air outlet device 6 can be further fixed to the bag bottom 1 inside the inner bag 4 by an adhesive or a lock (plastic strip, plastic rope or other flexible material strip) fixed to the bag bottom 1 of the inner bag 4. The joint device 5 passes through the outer bag 3 and the inner bag 4, and the joint device 5 is fixedly arranged on the bag wall of the outer bag 3 and the inner bag 4. The joint device 5 is located at the lower part of the outer bag 3 and the inner bag 4, and mounting holes for the joint device 5 to pass through and install can be opened at the lower part of the outer bag 3 and the inner bag 4. The joint device 5 passes through the mounting hole of the outer bag 3 and the mounting hole of the inner bag 4, and the joint device 5 is fixedly arranged on the bag wall of the outer bag 3 and the inner bag 4. The joint device 5 is connected with the air outlet device 6, and the gas supplied from the joint device 5 can flow out from the air outlet device 6.

[0035] Preferably, the joint device 5 includes an outer thread pagoda connecting tube 12, a first nut 13, and a second nut 14. The outer thread pagoda connecting tube 12 passes through the outer bag 3 and the inner bag 4. The threaded end 19 of the outer thread pagoda connecting tube 12 faces the outside of the outer bag 3, and the non-threaded end 20 of the outer thread pagoda connecting tube 12 faces the inside of the inner bag 4. The non-threaded end 20 of the outer thread pagoda connecting tube 12 is connected to the air outlet device 6. The first nut 13 and the second nut 14 clamp the outer bag 3 and the inner bag 4 to the threaded end 19 of the outer thread pagoda connecting tube 12. The first nut 13 and the second nut 14 are threadedly connected with the threaded end 19 of the outer thread pagoda connecting tube 12; that is, mounting holes for installing the joint device 5 can be opened at the lower parts of the outer bag 3 and the inner bag 4, and the outer thread pagoda connecting tube 12 of the joint device 5 passes through the mounting hole of the outer bag 3 and the mounting hole of the inner bag 4. By tightening the first nut 13 and the second nut 14 towards each other, the first nut 13 and the second nut 14 clamp the outer bag 3 and the inner bag 4 on the threaded end 19 of the outer thread pagoda connecting tube 12. At this time, the joint device 5 can be fixed on the bag walls of the outer bag 3 and the inner bag 4.

[0036] Preferably, the joint device 5 also includes a first washer 15 and a second washer 16, and the first washer 15 and the second washer 16 are both sleeved on the external thread pagoda connecting tube 12, and the first washer 15 and the second washer 16 are both arranged on the threaded end 19 of the external thread pagoda connecting tube 12, and the first washer 15 is arranged between the first nut 13 and the bag wall of the outer bag 3, and the second washer 16 is arranged between the second nut 14 and the bag wall of the inner bag 4.

[0037] Preferably, it also includes a sealing cover 17, the air inlet end of the joint device 5 extends out of the bag wall of the outer bag 3, the sealing cover 17 is arranged at the air inlet end of the joint device 5, that is, the threaded end 19 of the outer thread pagoda connecting tube 12 of the joint device 5 extends out of the bag wall of the outer bag 3, the sealing cover 17 is connected to the air inlet end of the joint device 5, the sealing cover 17 is arranged at the threaded end 19 of the outer thread pagoda connecting tube 12 of the joint device 5, and the sealing cover 17 is threadedly connected to the threaded end 19 of the outer thread pagoda connecting tube 12 of the joint device 5.

[0038] Preferably, a sealing gasket 18 is further included. The sealing gasket 18 is arranged inside the sealing cover 17. The sealing gasket 18 is used to further ensure the airtightness of the sealing cover 17. The sealing gasket 18 is a rubber gasket or a silicone gasket.

[0039] Preferably, the air outlet device 6 is a spiral tube, and a plurality of first air outlet holes 10 are arranged on the spiral tube. A first air outlet hole 10 is arranged at a certain distance according to actual needs. The plurality of first air outlet holes 10 are evenly arranged on the spiral tube, and the end of the spiral tube is closed, for example, the end of the spiral tube is closed with a plug 11, and the airflow entering the spiral tube can only flow out from the plurality of first air outlet holes 10 of the spiral tube.

[0040] Preferably, the air inlet end of the spiral tube is connected to the elbow 9, and the elbow 9 is connected to the air outlet end of the joint device 5 through the transition pipe 8, that is, the elbow 9 is connected to the non-threaded end 20 of the external thread pagoda connecting pipe 12 through the transition pipe 8, one end of the transition pipe 8 can be fastened to the elbow 9 through a fastening hoop, and the other end of the transition pipe 8 can be fastened to the non-threaded end 20 of the external thread pagoda connecting pipe 12 through a fastening hoop.

[0041] Preferably, the air outlet device 6 is a disc nozzle 22 , the disc nozzle 22 is connected to the connector device 5 through a ventilation pipe 21 , and a plurality of second air outlet holes 23 are arranged on the disc nozzle 22 .

[0042] Preferably, it also includes gauze 7, which is arranged inside the inner bag 4, and the gauze 7 is arranged above the air outlet device 6. The gauze 7 can be further fixed to the bag bottom 1 inside the inner bag 4 by adhesive or a lock (flexible material strip such as plastic strip, plastic rope, etc.) fixed to the bag bottom 1 of the inner bag 4.

[0043] The use of the utility model:

[0044] The feed material to be fermented that has been inoculated with the fermentation liquid is added into the inner bag 4 from the bag opening 2 of the inner bag 4. The material enters the inner bag 4 for storage and falls on the gauze 7. The air outlet device 6 is below the gauze 7.

[0045] The sealing cover 17 is removed from the air inlet end (the threaded end 19 of the outer thread pagoda connecting tube 12) of the joint device 5, and the air outlet of the air supply device (such as a blower, etc.) is connected to the air inlet end (the threaded end 19 of the outer thread pagoda connecting tube 12) of the joint device 5 through a pipeline. The clean, temperature-adjusted and humidity-adjusted air with a suitable temperature and humidity is sent to the air inlet end (the threaded end 19 of the outer thread pagoda connecting tube 12) of the joint device 5 through the air supply device (such as a blower, etc.), and the airflow finally enters the air outlet device 6 and flows out from the air outlet hole (the first air outlet hole 10 on the spiral tube or the second air outlet hole 23 on the disc nozzle 22) on the air outlet device 6. The airflow can pass through the gauze 7 above and finally enter the material in the inner bag 4, providing clean air with a suitable temperature and humidity for the feed material to be fermented, thereby ensuring the smooth aerobic fermentation of the material.

[0046] In the process of introducing air into the material in the inner bag 4, the bag opening 2 of the inner bag 4 can be folded or twisted into a loose twist shape, etc., and a gap for air outlet is retained at the bag opening 2 of the inner bag 4.

[0047] The ventilated fermentation bag of the utility model has a simple structure, can be quickly installed and disassembled, and has a flexible and simple use process.

[0048] When the ventilated fermentation bag of the utility model is used for fermented feed production and processing, ventilation can be achieved for the materials in the fermentation bag, fresh air can be added to the materials in the fermentation bag, the reproduction and metabolic activity time of the aerobic fermentation bacteria in the materials can be prolonged, and the aerobic bacteria in the materials can be promoted to the greatest extent to play their fermentation role, which is beneficial to further improve the quality of the fermented feed, ensure the fermentation quality of the materials in the fermentation bag, and better achieve the fermentation purpose; the utility model has a simple structure and is flexible and convenient to disassemble and assemble.

Claims

1. A ventilated fermentation bag, characterized in that: It includes an outer bag, an inner bag, a joint device, and an air outlet device; The upper parts of the outer bag and the inner bag are both provided with openings, the inner bag is provided inside the outer bag, the air outlet device is provided at the bottom inside the inner bag, the air outlet device is provided with air outlet holes, the joint device passes through the outer bag and the inner bag, the joint device is provided on the bag walls of the outer bag and the inner bag, the joint device is located at the lower parts of the outer bag and the inner bag, and the joint device is connected to the air outlet device.

2. A ventilated fermentation bag according to claim 1, characterized in that: The joint device includes an external thread pagoda connecting tube, a first nut, and a second nut. The external thread pagoda connecting tube passes through the outer bag and the inner bag. The threaded end of the external thread pagoda connecting tube faces the outside of the outer bag, and the non-threaded end of the external thread pagoda connecting tube faces the inside of the inner bag. The non-threaded end of the external thread pagoda connecting tube is connected to the air outlet device. The first nut and the second nut clamp the outer bag and the inner bag to the threaded end of the external thread pagoda connecting tube, and the first nut and the second nut are threadedly connected to the threaded end of the external thread pagoda connecting tube.

3. A ventilated fermentation bag according to claim 2, characterized in that: The joint device also includes a first washer and a second washer, both of which are sleeved on the outer thread pagoda connecting pipe, the first washer is arranged between the first nut and the bag wall of the outer bag, and the second washer is arranged between the second nut and the bag wall of the inner bag.

4. A ventilated fermentation bag according to claim 1, characterized in that: It also includes a sealing cover, which is arranged on the air inlet end of the joint device.

5. A ventilated fermentation bag according to claim 4, characterized in that: It also includes a sealing gasket, which is arranged inside the sealing cover.

6. A ventilated fermentation bag according to claim 1, characterized in that: The air outlet device is a spiral tube, a plurality of first air outlet holes are arranged on the spiral tube, and the end of the spiral tube is closed.

7. A ventilated fermentation bag according to claim 6, characterized in that: The air inlet end of the spiral tube is connected to an elbow, and the elbow is communicated with the air outlet end of the joint device through a transition pipe.

8. The ventilated fermentation bag according to claim 1, characterized in that: The air outlet device is a disc nozzle, which is connected to the joint device through a ventilation pipe, and a plurality of second air outlet holes are arranged on the disc nozzle.

9. The ventilated fermentation bag according to claim 1, characterized in that: It also includes gauze, which is arranged inside the inner bag and above the air outlet device.

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