Device for sterile cold irrigation

Abstract

The utility model discloses a device for sterile cold filling, which comprises supporting legs and a tank body arranged at the upper ends of the supporting legs, a liquid inlet pipe and a liquid outlet pipe are arranged at the bottom of the tank body in a penetrating manner, valves are arranged on the liquid inlet pipe and the liquid outlet pipe, a liquid inlet pump and a liquid outlet pump are further arranged at the bottom of the tank body, the liquid inlet pipe is connected with the liquid inlet pump, and the liquid outlet pipe is connected with the liquid outlet pump. A mounting ring wall is further fixedly arranged on the inner side wall of the tank body in a surrounding mode, a mounting ring column is further detachably mounted on the upper end face of the mounting ring wall in a sealed mode, a barrel-shaped air bag which is made of a transparent waterproof film and provided with an opening in the upper end is further detachably connected to the bottom of the mounting ring column in a sealed mode, and the bottom of the air bag extends to the inner bottom wall of the tank body; the side wall of the air bag extends to the inner side wall of the tank body, the top of the tank body is further detachably covered with a tank cover, an ultraviolet lamp is arranged at the bottom of the tank cover, the light-emitting portion of the ultraviolet lamp extends downwards to exceed the bottom of the mounting ring column, and a ventilation hole is further formed in the cover wall of the tank cover. According to the device, the sterile storage of liquid can be realized under the condition that an air sterilization filter is not used.

Description

Technical Field

[0001] The utility model relates to the technical field of beverage processing, and particularly relates to a device for aseptic cold filling. Background Art

[0002] The aseptic cold filling technology is generally used in the production process of beverages such as dairy products and fruit juices. In the production process of coconut milk, aseptic cold filling mainly includes several steps such as UHT sterilization, aseptic tank temporary storage, packaging material sterilization, aseptic filling and sealing, etc., and each step requires a matching device for operation.

[0003] Among them, the aseptic tank is a transfer device used to connect the UHT sterilizer and the filling machine. It can store the cooled liquid after UHT sterilization aseptically for a long time. When the filling machine fails and cannot immediately process the liquid after UHT sterilization, the aseptic tank plays an important role.

[0004] At present, the aseptic environment control of the aseptic tank used in the cold filling process mainly relies on the air sterilization filter. When the cooled liquid is filled into the aseptic tank, the air in the aseptic tank is discharged. When the liquid in the aseptic tank is discharged, the external air enters the aseptic tank after passing through the air sterilization filter, so as to maintain the aseptic environment in the aseptic tank. However, this kind of aseptic tank consumes too much of the air sterilization filter, and when the air sterilization filter fails (the failure of the air sterilization filter is difficult to monitor in time), it will cause the product to deteriorate in advance within the shelf life after being sold, resulting in a decline in the enterprise's reputation, and even seriously leading to food safety accidents.

[0005] In view of this, it is designed to provide an aseptic storage device for the aseptic cold filling process, which can achieve the aseptic storage of liquid without using an air sterilization filter. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a device for aseptic cold filling to solve the problems described in the background art.

[0007] The technical solution of the utility model is realized as follows:

[0008] A device for aseptic cold filling, including support feet, further includes a cylindrical tank body with an upper opening provided at the upper end of the support feet. A liquid inlet pipe and a liquid outlet pipe penetrate through the bottom of the tank body. Valves are provided on both the liquid inlet pipe and the liquid outlet pipe. A liquid inlet pump and a liquid outlet pump are also provided at the bottom of the tank body. The liquid inlet pipe is connected to the liquid inlet pump, and the liquid outlet pipe is connected to the liquid outlet pump. An installation ring wall is fixedly arranged around the inner side wall of the tank body. An installation ring column is detachably and sealingly installed on the upper end surface of the installation ring wall. A barrel-shaped airbag made of a transparent and water-impermeable film is detachably and sealingly connected to the bottom of the installation ring column. The bottom of the airbag extends to the inner bottom wall of the tank body, and the side wall of the airbag extends to the inner side wall of the tank body. The top of the tank body is also detachably covered with a tank cover. An ultraviolet lamp is provided at the bottom of the tank cover. The light-emitting part of the ultraviolet lamp extends downward beyond the bottom of the installation ring column. An air exchange hole is also opened on the cover wall of the tank cover.

[0009] When using the above solution, first perform a cleaning and sterilization operation on the outside of the airbag made of a transparent and water-impermeable film and the inner wall of the tank body to kill most bacteria. Subsequently, install the airbag on the installation ring column, then install the installation ring column on the installation ring wall, then cover the tank cover, and inflate the tank body through the air exchange hole so that the airbag forms an unfolded state. Subsequently, turn on the ultraviolet lamp to disinfect the transparent and water-impermeable film and the inner wall of the tank body. After the disinfection is completed, an aseptic environment can be formed in the interval clamped by the outer wall of the airbag and the inner wall of the tank body.

[0010] When it is necessary to store liquid in the tank body, start the liquid inlet pump. The liquid inlet pump pumps the liquid into the tank body. As the liquid increases and squeezes, the air in the airbag is discharged from the air exchange hole, and the volume of the airbag shrinks, providing space for the storage of the liquid. When it is necessary to drain the liquid out of the tank body, start the liquid outlet pump, and the liquid in the tank body is discharged. External air enters the tank body through the air exchange hole and fills the airbag.

[0011] By setting the upper end surface of the installation ring wall to be sealingly installed with the installation ring column, and the installation ring column to be sealingly connected with the airbag, it is ensured that when external air enters the tank body, it only contacts the inner wall of the airbag, avoiding direct contact between external air and the liquid in the tank body, and keeping the liquid in an aseptic environment all the time. At the same time, this design also eliminates the use of an air sterilization filter.

[0012] By designing the detachable installation method of the installation ring wall and the installation ring column, it is convenient for the maintenance and cleaning of the tank body during long-term use.

[0013] A further technical solution is that the installation ring column includes an outer installation ring column in the shape of a circular ring column and an inner installation ring column in the shape of a circular ring column. The outer installation ring column and the inner installation ring column are coaxially arranged. The inner side wall of the outer installation ring column is in sliding contact with the outer side wall of the inner installation ring column. A circular ring groove with a semi-circular cross-section is upwardly formed on the bottom wall of the outer installation ring column. A circular ring column boss protrudes outward from the outer side wall of the inner installation ring column. A circular ring boss with a semi-circular cross-section is fixedly provided on the upper end surface of the circular ring column boss. When the inner installation ring column moves upward from below the outer installation ring column until it abuts against the outer installation ring column, the circular ring boss just fits into the circular ring groove and the top of the circular ring boss abuts against the top of the circular ring groove. The top of the side wall of the airbag is annularly arranged in the circular ring groove and is squeezed and clamped by the circular ring boss. A plurality of third threaded holes are also circumferentially formed on the inner side wall of the outer installation ring column. A plurality of fourth threaded holes that are aligned and cooperate with the third threaded holes are also formed on the outer side wall of the inner installation ring column. The fourth threaded holes penetrate through the inner side wall of the inner installation ring column inward. The inner installation ring column is also screwed to the inner side wall of the outer installation ring column through a second bolt passing through the fourth threaded holes and the third threaded holes.

[0014] When using the above solution, by providing a circular ring groove and a circular ring boss with a semi-circular cross-section, clamping of the top of the airbag is achieved. A sealing ring is also formed through the compression deformation of the transparent and water-impermeable film itself, forming a sealed connection. At the same time, the semi-circular joint surface can also prevent the transparent and water-impermeable film from being squeezed and broken.

[0015] A further technical solution is that the height of the outer installation ring column is the same as that of the inner installation ring column. A circular ring column groove is also upwardly formed at the junction of the bottom wall and the inner side wall of the outer installation ring column. The circular ring groove is formed on the upper groove wall of the circular ring column groove. The height of the circular ring column boss is the same as that of the circular ring column groove.

[0016] When using the above solution, by providing the circular ring column groove, an installation ring column close to the shape of a circular ring column is formed after the combination of the outer installation ring column and the inner installation ring column, facilitating subsequent installation operations.

[0017] A further technical solution is that a plurality of first threaded holes are downwardly formed on the upper end surface of the installation ring wall. The first threaded holes are circumferentially arranged around the central axis of the installation ring wall on the upper end surface of the installation ring wall. An annular sealing gasket is also provided on the upper end surface of the installation ring wall. A plurality of second threaded holes that penetrate downward are downwardly formed on the upper end surface of the outer installation ring column. The number of the first threaded holes is the same as that of the second threaded holes and they are arranged in one-to-one correspondence. The outer installation ring column is also screwed to the installation ring wall through a first bolt passing through the first threaded holes and the second threaded holes at the same time.

[0018] When using the above solution, through the cooperation of the annular sealing gasket, the first threaded holes and the second threaded holes, the detachable sealed connection function between the installation ring wall and the installation ring column is realized.

[0019] A further technical solution is that a liquid level observation tube is also connected to the side wall of the tank body.

[0020] A further technical solution is that a handle is also provided on the top of the tank cover.

[0021] A further technical solution is that the transparent and water-impermeable film is a transparent film made of polyethylene.

[0022] A further technical solution is that both the liquid inlet pump and the liquid outlet pump are rotary pumps.

[0023] The beneficial effects of the present utility model are as follows:

[0024] 1. Sterile storage: The design of the airbag and the tank body isolates the liquid from the external air during the storage process, avoiding the direct contact between the liquid and the air, thus maintaining the sterile state of the liquid.

[0025] 2. Simplified structure: The use of an air sterilization filter is eliminated, simplifying the system structure and reducing the cost and maintenance complexity.

[0026] 3. Easy to maintain: The detachable design of the installation ring wall and the installation ring column facilitates the maintenance and cleaning of the tank body during long-term use.

[0027] 4. Safe and reliable: Through a specific design (such as the circular ring groove and the circular ring boss on the upper semi-circle), the top of the airbag is clamped to form a sealed connection, and at the same time, the transparent and water-impermeable film is prevented from being squeezed and clamped off, improving the safety and reliability of the system. Description of the drawings

[0028] Figure 1 is the overall sectional view schematic diagram of the device;

[0029] Figure 2 is Figure 1 the enlarged schematic diagram at A in

[0030] Figure 3 is the enlarged sectional view schematic diagram of the outer installation ring column;

[0031] Figure 4 is the enlarged sectional view schematic diagram of the inner installation ring column;

[0032] Figure 5 is the schematic diagram of the airbag made of the transparent and water-impermeable film.

[0033] In the figure, 1 is a support foot, 2 is a tank body, 3 is a transparent and waterproof film, 4 is a liquid inlet pump, 5 is a liquid inlet pipe, 6 is a liquid outlet pipe, 7 is a liquid outlet pump, 8 is a liquid level observation pipe, 9 is an ultraviolet lamp, 10 is a tank cover, 11 is a ventilation hole, 12 is a handle, 13 is an installation ring wall, 14 is a first threaded hole, 15 is an annular gasket, 16 is an outer installation ring column, 17 is a second threaded hole, 18 is a first bolt, 19 is a circular groove, 20 is an inner installation ring column, 21 is a circular ring boss, 22 is a second bolt, 23 is a third threaded hole, 24 is a fourth threaded hole, 25 is a circular column groove, 26 is an upper groove wall, 27 is a circular column boss. Detailed implementation manner

[0034] In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention will be further described in conjunction with the accompanying drawings.

[0035] See Figures 1 to 5 , a device for aseptic cold filling, including a support foot 1, and further including a cylindrical tank body 2 made of stainless steel with an open upper end provided at the upper end of the support foot 1. A liquid inlet pipe 5 and a liquid outlet pipe 6 penetrate through the bottom of the tank body 2. Valves are provided on both the liquid inlet pipe 5 and the liquid outlet pipe 6. A liquid inlet pump 4 and a liquid outlet pump 7 are further provided at the bottom of the tank body 2. The liquid inlet pipe 5 is connected to the liquid inlet pump 4, and the liquid outlet pipe 6 is connected to the liquid outlet pump 7.

[0036] Specifically, the liquid inlet pump 4 and the liquid outlet pump 7 are rotor pumps.

[0037] Preferably, a liquid level observation pipe 8 is also communicated and provided on the side wall of the tank body 2.

[0038] An installation ring wall 13 is also welded around the inner side wall of the tank body 2. The installation ring wall 13 is in the shape of a circular ring column. An installation ring column is detachably and sealingly installed on the upper end surface of the installation ring wall 13. The bottom of the installation ring column is also detachably and sealingly connected to a barrel-shaped airbag made of a transparent and waterproof film 3 with an open upper end.

[0039] Specifically, the mounting ring column includes an outer mounting ring column 16 in the shape of a circular ring column and an inner mounting ring column 20 in the shape of a circular ring column. The outer mounting ring column 16 and the inner mounting ring column 20 are coaxially arranged. The inner side wall of the outer mounting ring column 16 is in sliding contact with the outer side wall of the inner mounting ring column 20. A circular ring groove 19 with a semi-circular cross-section is formed upward on the bottom wall of the outer mounting ring column 16. A circular ring column boss 27 protrudes outward from the outer side wall of the inner mounting ring column 20. A circular ring boss 21 with a semi-circular cross-section is fixedly arranged on the upper end face of the circular ring column boss 27. When the inner mounting ring column 20 moves upward from below the outer mounting ring column 16 until it abuts against the outer mounting ring column 16, the circular ring boss 21 just fits into the circular ring groove 19 and the top of the circular ring boss 21 abuts against the top of the circular ring groove 19. The top of the side wall of the airbag is annularly arranged in the circular ring groove 19 and is squeezed and clamped by the circular ring boss 21. A plurality of third threaded holes 23 are also formed in a circular shape on the inner side wall of the outer mounting ring column 16. A plurality of fourth threaded holes 24 that are aligned and cooperate with the third threaded holes 23 are formed on the outer side wall of the inner mounting ring column 20. The fourth threaded holes 24 penetrate inward through the inner side wall of the inner mounting ring column 20. The inner mounting ring column 20 is also screwed to the inner side wall of the outer mounting ring column 16 through the second bolts 22 passing through the fourth threaded holes 24 and the third threaded holes 23.

[0040] Preferably, the height of the outer mounting ring column 16 is the same as that of the inner mounting ring column 20. A circular ring column groove 25 is also formed upward at the junction of the bottom wall and the inner side wall of the outer mounting ring column 16. The circular ring groove 19 is formed on the upper groove wall 26 of the circular ring column groove 25. The height of the circular ring column boss 27 is the same as that of the circular ring column groove 25.

[0041] Specifically, a plurality of first threaded holes 14 are formed downward on the upper end face of the mounting ring wall 13. The first threaded holes 14 are arranged in a circular shape around the central axis of the mounting ring wall 13 on the upper end face of the mounting ring wall 13. An annular sealing gasket 15 is also provided on the upper end face of the mounting ring wall 13. A plurality of second threaded holes 17 that penetrate downward are formed on the upper end face of the outer mounting ring column 16. The number of the first threaded holes 14 is the same as that of the second threaded holes 17 and they are arranged in one-to-one correspondence. The outer mounting ring column 16 is also screwed to the mounting ring wall 13 through the first bolts 18 passing through the first threaded holes 14 and the second threaded holes 17 at the same time.

[0042] Preferably, both the outer mounting ring column 16 and the inner mounting ring column 20 are made of PP (polypropylene) material or both are made of stainless steel material.

[0043] Specifically, the transparent and waterproof film 3 is a transparent film made of polyethylene.

[0044] The bottom of the airbag extends to the inner bottom wall of the tank body 2, and the side wall of the airbag extends to the inner side wall of the tank body 2.

[0045] The top of the tank body 2 is also detachably provided with a tank cover 10. The tank cover 10 is screwed to the top of the tank body 2. It should be noted that there are various connection methods between the tank cover 10 and the tank body 2 in the prior art. The screwed connection method in the present disclosure only provides a common connection method, and does not limit only the use of the screwed connection method. Those skilled in the art can completely adopt other connection methods according to the prior art to install the tank cover 10 and the tank body 2.

[0046] An ultraviolet lamp 9 is provided at the bottom of the tank cover 10. The light-emitting part of the ultraviolet lamp 9 extends downward beyond the bottom of the mounting ring column. A ventilation hole 11 is also provided on the cover wall of the tank cover 10.

[0047] Preferably, a handle 12 is further provided on the top of the tank cover 10.

[0048] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An apparatus for aseptic cold filling, characterized in that: It includes support feet, and also includes a cylindrical tank body with an open upper end provided at the upper end of the support feet. A liquid inlet pipe and a liquid outlet pipe penetrate through the bottom of the tank body. Valves are provided on both the liquid inlet pipe and the liquid outlet pipe. A liquid inlet pump and a liquid outlet pump are also provided at the bottom of the tank body. The liquid inlet pipe is connected to the liquid inlet pump, and the liquid outlet pipe is connected to the liquid outlet pump. An installation ring wall is also fixedly provided around the inner side wall of the tank body. The upper end face of the installation ring wall is detachably and sealingly installed with an installation ring column. The bottom of the installation ring column is also detachably and sealingly connected with a barrel-shaped airbag made of a transparent and water-impermeable film with an open upper end. The bottom of the airbag extends to the inner bottom wall of the tank body, and the side wall of the airbag extends to the inner side wall of the tank body. The top of the tank body is also detachably covered with a tank cover. An ultraviolet lamp is provided at the bottom of the tank cover. The light-emitting part of the ultraviolet lamp extends downward beyond the bottom of the installation ring column. An air exchange hole is also opened on the cover wall of the tank cover.

2. The device for aseptic cold filling according to claim 1, characterized in that: The installation ring column includes an outer installation ring column in the shape of a circular ring column and an inner installation ring column in the shape of a circular ring column. The outer installation ring column and the inner installation ring column are coaxially arranged. The inner side wall of the outer installation ring column is in sliding contact with the outer side wall of the inner installation ring column. A circular ring groove with a semi-circular cross-section is opened upward on the bottom wall of the outer installation ring column. A circular ring column boss protrudes outward from the outer side wall of the inner installation ring column. A circular ring boss with a semi-circular cross-section is fixedly provided on the upper end face of the circular ring column boss. When the inner installation ring column moves upward from below the outer installation ring column to abut against the outer installation ring column, the circular ring boss just fits into the circular ring groove and the top of the circular ring boss abuts against the top of the circular ring groove. The top of the side wall of the airbag is annularly arranged in the circular ring groove and is squeezed and clamped by the circular ring boss. A plurality of third threaded holes are also circumferentially opened on the inner side wall of the outer installation ring column. A plurality of fourth threaded holes that are aligned and cooperate with the third threaded holes are also opened on the outer side wall of the inner installation ring column. The fourth threaded holes penetrate through the inner side wall of the inner installation ring column inward. The inner installation ring column is also screwed to the inner side wall of the outer installation ring column through a second bolt passing through the fourth threaded holes and the third threaded holes.

3. A device for aseptic cold filling according to claim 2, characterized in that: The height of the outer installation ring column is the same as that of the inner installation ring column. A circular ring column groove is also opened upward at the junction of the bottom wall and the inner side wall of the outer installation ring column. The circular ring groove is opened on the upper groove wall of the circular ring column groove. The height of the circular ring column boss is the same as that of the circular ring column groove.

4. A device for aseptic cold filling according to claim 3, characterized in that: A plurality of first threaded holes are also opened downward on the upper end face of the installation ring wall. The first threaded holes are arranged around the central axis of the installation ring wall on the upper end face of the installation ring wall. An annular sealing gasket is also provided on the upper end face of the installation ring wall. A plurality of second threaded holes that penetrate downward are also opened on the upper end face of the outer installation ring column. The number of the first threaded holes is the same as that of the second threaded holes and they are arranged in one-to-one correspondence. The outer installation ring column is also screwed to the installation ring wall through a first bolt passing through the first threaded holes and the second threaded holes at the same time.

5. A device for aseptic cold filling according to any one of claims 1 - 4, characterized in that: A liquid level observation pipe is also communicated and provided on the side wall of the tank body.

6. The device for aseptic cold filling according to claim 5, wherein: A handle is also provided on the top of the tank cover.

7. A device for aseptic cold filling according to claim 1, characterized in that: The transparent and water-impermeable film is a transparent film made of polyethylene.

8. The device for aseptic cold filling according to claim 1, characterized in that: Both the liquid inlet pump and the liquid outlet pump are rotor pumps.

Images