Cleaning backflow system of filling machine

Abstract

The utility model belongs to the technical field of beverage filling machines, and discloses a filling machine cleaning backflow system which comprises a cleaning backflow tank and a cleaning backflow assembly. The cleaning reflux tank is used for collecting and treating reflux liquid; the cleaning backflow assembly comprises a conversion plate, an acid and alkali adding pneumatic diaphragm pump, a first right-angle filter, a second right-angle filter and a floating ball liquid level switch, the conversion plate is connected with the cleaning backflow tank through a pipeline, the acid and alkali adding pneumatic diaphragm pump is connected to the cleaning backflow tank, the first right-angle filter is connected to the cleaning backflow tank, and the second right-angle filter is connected to the floating ball liquid level switch. The right-angle filter II is connected to the conversion plate through a pipeline; a backflow system and a cleaning system of the filling machine are integrated, so that pipelines, valves, filling heads and other parts in contact with materials in the filling machine can be comprehensively and efficiently cleaned, the cleanliness of the equipment is ensured, and the strict requirements of industries such as food, beverages and pharmacy on sanitation are met.

Description

Technical Field

[0001] This utility model belongs to the field of beverage filling machine technology, and in particular relates to a filling machine cleaning and reflux system. Background Technology

[0002] This beverage filling machine is a plastic bottle beverage filling machine, an automatic filling and cap sorting integrated machine, and a multi-functional beverage filling machine. It is used for filling carbonated beverages, soda water, salt soda water and other carbonated beverages, and can also be used for filling fruit juice beverages, purified water and other non-carbonated beverages. It is a new type of filling machine with multiple uses and high practicality.

[0003] Currently, beverage filling machines are generally equipped with a reflux system to return / recycle excess product. However, these reflux systems do not have internal CIP (Clean-In-Place) functionality and can only be cleaned by drawing a path from the central CIP station. This process is time-consuming and labor-intensive, the energy consumption of starting the CIP station for cleaning is high, the pipeline is long, and it is easy to not clean thoroughly. Utility Model Content

[0004] This invention addresses the problem that existing filling machines typically include a reflux system for returning / recovering excess product; however, these reflux systems lack internal CIP (Clean-In-Place) functionality, requiring a central CIP station to be used for cleaning. This process is time-consuming and labor-intensive, involves high energy consumption during CIP station startup, involves long pipelines, and is prone to incomplete cleaning. The following technical solution is proposed:

[0005] A cleaning and reflux system for a filling machine, comprising:

[0006] Cleaning reflux tank, used for collecting and treating reflux liquid;

[0007] The cleaning reflux assembly includes a conversion plate, an acid / alkali pneumatic diaphragm pump, a first right-angle filter, a second right-angle filter, and a float level switch. The conversion plate is connected to the cleaning reflux tank via a pipe, the acid / alkali pneumatic diaphragm pump is connected to the cleaning reflux tank, the first right-angle filter is connected to the cleaning reflux tank, the second right-angle filter is connected to the conversion plate via a pipe, and the float level switch is connected to the cleaning reflux tank.

[0008] As a preferred embodiment of the above technical solution, an electric heating component is connected to the cleaning return tank, and the electric heating component is inserted into the interior of the cleaning return tank and heats the liquid inside the cleaning return tank.

[0009] As a preferred embodiment of the above technical solution, the cleaning reflux assembly further includes a conductivity meter and a temperature meter, wherein the conductivity meter is used to detect the conductivity of the CIP liquid, and the temperature meter is used to detect the temperature of the CIP liquid.

[0010] As a preferred embodiment of the above technical solution, the pipeline is further connected to observation mirror one and observation mirror two, which are used to observe the flow of liquid inside the pipeline.

[0011] As a preferred embodiment of the above technical solution, the pipeline is also equipped with multiple valves for controlling the flow of liquid in the pipeline.

[0012] As a preferred embodiment of the above technical solution, the pipeline is also connected to a steam-water separator.

[0013] The beneficial effects of this utility model are as follows:

[0014] This invention integrates the filling machine's reflux system with a cleaning system, enabling comprehensive and efficient cleaning of the filling machine's internal pipes, valves, filling heads, and other parts that come into contact with materials. By circulating the cleaning fluid within the system at a certain pressure and flow rate, it effectively removes material residues, dirt, and bacteria adhering to the equipment's surface, ensuring the equipment's cleanliness and meeting the stringent hygiene requirements of the food, beverage, and pharmaceutical industries. Attached Figure Description

[0015] Figure 1 The image shown is a front view of the overall structure of a filling machine cleaning and reflux system;

[0016] Figure 2 The image shown is a rear view of the overall structure of a filling machine cleaning and reflux system;

[0017] Figure 3 The diagram shows the structure of the cleaning return tank and the electric heating assembly.

[0018] In the diagram: 1. Cleaning reflux tank; 2. Conversion plate; 3. Acid / alkali pneumatic diaphragm pump; 4. Right-angle filter one; 5. Right-angle filter two; 6. Float level switch; 7. Electric heating assembly; 8. Conductivity meter; 9. Observation mirror one; 10. Observation mirror two; 11. Pressure gauge; 12. Steam-water separator; 13. Thermometer; 14. Pipeline. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0020] Example 1

[0021] This utility model provides a cleaning and reflux system for filling machines, such as... Figures 1 to 2As shown, the cleaning and reflux system of the filling machine includes a cleaning and reflux tank 1 and a cleaning and reflux assembly. The cleaning and reflux tank 1 is used to collect and treat the reflux liquid. The cleaning and reflux assembly includes a conversion plate 2, an acid and alkali pneumatic diaphragm pump 3, a right-angle filter 4, a right-angle filter 5, and a float level switch 6. The cleaning and reflux tank 1 is fixedly installed on a support frame. The conversion plate 2 is connected to the cleaning and reflux tank 1 through a pipe 14. The acid and alkali pneumatic diaphragm pump 3 is connected to the cleaning and reflux tank 1 through a pipe 14. The right-angle filter 4 is connected to the cleaning and reflux tank 1 through a pipe 14. The right-angle filter 5 is connected to the conversion plate 2 through a pipe 14. The float level switch 6 is connected to the cleaning and reflux tank 1.

[0022] In this embodiment, multiple valves are also installed on the pipeline 14. By controlling the working state of each valve, the liquid in the pipeline 14 is internally circulated and cleaned between the filling machine and the cleaning return tank 1. The cleaning return tank 1 is also connected to an electric heating component 7, which is specifically configured as an electric heating rod. The electric heating rod is inserted and installed inside the cleaning return tank 1. By energizing the electric heating component 7, the electric heating rod converts electrical energy into heat energy to heat the liquid inside the cleaning return tank 1. In conjunction with the installed temperature gauge 13, the temperature of the liquid in the pipeline 14 and the cleaning return tank 1 is monitored in real time.

[0023] A conductivity meter 8 is also installed on the pipeline 14. The conductivity meter 8 can be used to detect the conductivity of the liquid in the pipeline 14 and the cleaning return tank 1. When the conductivity of the liquid meets the standard or is consistent with the conductivity of water, acid / alkali cleaning or water cleaning can be performed. A pressure gauge 11 is also connected to the pipeline 14, which can display the pressure value in the pipeline 14 in real time, providing operators with intuitive monitoring data and ensuring that the system operates within a safe and stable pressure range.

[0024] The cleaning and recovery system is also equipped with a steam-water separator 12. After the electric heating component 7 heats the liquid in the cleaning return tank 1 and the pipeline 14, the installed steam-water separator 12 starts to work. Through centrifugal swirling or gravity sedimentation technology, it separates the steam generated during the cleaning process from the condensate and liquid impurities. The dryness of the separated steam is significantly improved, preventing wet steam from entering subsequent equipment (such as pipeline 14) and preventing corrosion caused by the accumulation of condensate. The steam-water separator 12 extends the service life of the equipment by maintaining a dry environment.

[0025] It is worth noting that CIP system is an abbreviation for Clean In Place, meaning in-situ cleaning (online cleaning, cleaning in place). CIP cleaning is a safe and automatic cleaning system that does not disassemble production equipment and can be operated safely and automatically using simple methods. The cleaning recovery system is also equipped with components such as a variable frequency cleaning return pump and a variable frequency vacuum pump. These components are connected to the aforementioned cleaning return assembly via pipe 14, and the flow of liquid is controlled by installed valves. Right angle filters 4 and 5 are both set as right angle filters with a 100-mesh screen aperture. The screen aperture of a 100-mesh right angle filter is approximately 0.149 mm (or 0.00583 inches), which can filter out particles with a particle size between 0.15 and 5.0 mm.

[0026] During use, the system, through its cleaning reflux assembly, controls parameters such as the flow rate, pressure, and temperature of the cleaning fluid to ensure consistent cleaning results each time, avoiding incomplete or excessive cleaning due to differences in manual operation. It eliminates the need for manual disassembly of pipes 14 and other equipment, enabling comprehensive and efficient cleaning of internal components such as pipes 14 and valves within the filling machine. The cleaning fluid circulates internally within the recycling system at a certain pressure and flow rate, effectively removing material residues, dirt, and bacteria adhering to the equipment surface, ensuring the cleanliness of the equipment and meeting the stringent hygiene requirements of the food, beverage, and pharmaceutical industries.

[0027] Working principle: The actual use of this equipment is as follows:

[0028] During normal production, the conversion plate 2 is connected to the collection tank for the reflux liquid. After the material is observed through the sight glass 9 and filtered through the right-angle filter 5, it enters the filling machine for filling. Simultaneously, the valve on the pipe 14 connected to the cleaning reflux tank 1 is opened, allowing the reflux liquid from the filling machine to be observed through the sight glass 10 and enter the cleaning reflux tank 1. The level of the reflux liquid inside the cleaning reflux tank 1 can be observed using the float level switch 6 installed on the cleaning reflux tank 1. When the reflux liquid inside the cleaning reflux tank 1 reaches the equipment's level, the valve on the pipe 14 connected to the right-angle filter 4 is opened, allowing the filtered reflux liquid to flow back to the collection tank through the conversion plate 2. (During the use of the above equipment, the vacuum pump system needs to be started and stopped synchronously with the filling machine.)

[0029] During CIP filling (acid / alkali wash), open the valve on pipe 14 to drain the water from pipe 14 and the cleaning return tank 1. Then close the valve. Input the water level of cleaning return tank 1 into the system control cabinet. Next, open the water filling valve on pipe 14 to automatically replenish water into cleaning return tank 1. Then start the acid / alkali pneumatic diaphragm pump 3 to pump concentrated acid / alkali into cleaning return tank 1 and start the CIP solution circulation mode (automatic). Then turn on the electric heating element 7 and the frequency conversion cleaning return pump installed on cleaning return tank 1. At the same time, the conductivity meter 8 and the temperature meter 13 will detect... The conductivity and temperature of the CIP solution are measured. (If the conductivity of the CIP solution does not reach the set value, strong acid or strong alkali is automatically added through the acid-base pneumatic diaphragm pump 3. If the temperature of the CIP solution does not reach the set temperature, it will continuously circulate internally under the action of the variable frequency cleaning return pump.) When the conductivity and temperature meet the standards, the CIP solution is circulated and cleaned in the filling machine and cleaning return tank 1 through the installed variable frequency cleaning return pump. After the acid / alkali cleaning of the filling machine and cleaning return tank 1 is completed, the valve for draining the accumulated liquid on the pipeline 14 is opened to drain all the accumulated liquid inside the pipeline 14, the filling machine and the cleaning return tank 1.

[0030] During CIP filling (water rinsing), the cleaning steps are the same as those for acid / alkali washing, allowing the final cleaning solution to return to the cleaning return tank 1. Then, the water valve on pipe 14 is opened to continuously flush the inside of the cleaning return tank 1 with water. When the conductivity meter 8 detects that the conductivity of the liquid is consistent with the conductivity of water, the water rinsing step ends. All component valves installed on pipe 14 are automatically switched to production mode under the control of the system control cabinet, ready to start production and filling at any time.

[0031] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A cleaning and reflux system for a filling machine, characterized in that, include: Cleaning reflux tank (1), used for collecting and treating reflux liquid; The cleaning return assembly includes a conversion plate (2), an acid and alkali pneumatic diaphragm pump (3), a right-angle filter one (4), a right-angle filter two (5), and a float level switch (6). The conversion plate (2) is connected to the cleaning return tank (1) through a pipe (14). The acid and alkali pneumatic diaphragm pump (3) is connected to the cleaning return tank (1). The right-angle filter one (4) is connected to the cleaning return tank (1). The right-angle filter two (5) is connected to the conversion plate (2) through a pipe (14). The float level switch (6) is connected to the cleaning return tank (1).

2. The filling machine cleaning and reflux system according to claim 1, characterized in that, An electric heating component (7) is connected to the cleaning return tank (1). The electric heating component (7) is inserted into the interior of the cleaning return tank (1) and heats the liquid inside the cleaning return tank (1).

3. The filling machine cleaning and reflux system according to claim 1, characterized in that, The cleaning reflux assembly also includes a conductivity meter (8) and a temperature meter (13). The conductivity meter (8) is used to detect the conductivity of the CIP liquid, and the temperature meter (13) is used to detect the temperature of the CIP liquid.

4. The filling machine cleaning and reflux system according to claim 1, characterized in that, The pipe (14) is also connected to an observation mirror one (9) and an observation mirror two (10), which are used to observe the flow of liquid in the pipe (14).

5. The filling machine cleaning and reflux system according to claim 1, characterized in that, The pipe (14) is also equipped with multiple valves for controlling the flow of liquid in the pipe (14).

6. The filling machine cleaning and reflux system according to claim 1, characterized in that, The pipe (14) is also connected to a steam-water separator (12).

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