CN113251317A

CN113251317A - Plunger filling machine pipeline system and cleaning method thereof

Info

Publication number: CN113251317A
Application number: CN202110598904.9A
Authority: CN
Inventors: 刘冬华; 霍志峰; 樊缔
Original assignee: Guangzhou Tech Long Packaging Machinery Co Ltd
Current assignee: Guangzhou Tech Long Packaging Machinery Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-08-13

Abstract

The invention discloses a plunger filling machine pipeline system and a cleaning method thereof. The plunger filling machine pipeline system comprises a filling tank, a plunger filling valve, a backflow tank, a pipeline, a backflow system and an emptying device. The pipeline system of this kind of structure can wash the inside of plunger filling valve respectively, each position, makes each position and the interface of plunger filling valve wash effectively, avoids the inside sanitary dead angle that exists of plunger filling valve to greatly promote clean effect, on the basis that satisfies the filling requirement, be convenient for wash inside the pipeline system, guarantee the cleaning performance.

Description

Plunger filling machine pipeline system and cleaning method thereof

Technical Field

The invention relates to the technical field of filling machines, in particular to a plunger filling machine pipeline system and a cleaning method thereof.

Background

During beverage production, the beverage is filled into containers using a plunger filler, and when production is complete, CIP cleaning of the entire bowl and filling valve is required to maintain good hygiene. However, the plunger filling valve in the plunger filling machine has more sanitary dead corners, and the existing cleaning process is difficult to effectively clean the plunger filling valve, especially the piston sealing position.

Disclosure of Invention

The invention aims to: the plunger filling machine pipeline system and the cleaning method thereof can be used for filling and can also be used for effectively cleaning the plunger filling machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, a plunger filler piping system is provided comprising:

the bottom of the filling tank is provided with a backflow port and a discharge port, and the upper part of an inner cavity of the filling tank is provided with a first cleaning spray ball;

the plunger filling valve is provided with an input port, a first output port, a second output port and a third output port, the first output port, the second output port and the third output port are selectively communicated with the input port respectively, the discharge port is communicated with the input port, and the third output port is used for filling liquid into an external container;

the upper part of the inner cavity of the backflow tank is provided with a second cleaning spray ball;

the pipeline comprises a feeding pipe, a return pipe and an emptying pipe, wherein the return pipe and the emptying pipe are selectively communicated with the feeding pipe respectively, the first output port and the second output port are selectively communicated with the interior of the return tank through the return pipe, the return pipe is connected with the return port and the return tank, a main inlet is formed in the feeding pipe and used for inputting the liquid, one end, far away from the main inlet, of the feeding pipe extends to the inner cavity of the filling tank, and the first cleaning spray ball and the second cleaning spray ball are selectively communicated with the feeding pipe;

the backflow system comprises a circulating pump, the emptying pipe and the backflow tank are both connected with the circulating pump, and the circulating pump can pump the liquid in the backflow tank and the emptying pipe to a specified position;

and the emptying device is selectively communicated with the emptying pipe and is used for discharging the liquid in the emptying pipe.

As a preferred embodiment of the plunger filler piping system, the main inlet is in selective communication with the return line and the drain line.

As a preferable technical scheme of the plunger filling machine pipeline system, a first pipe is arranged between the first output port and the return pipe, a second pipe is arranged between the second output port and the return pipe, and both an end of the first pipe far away from the first output port and an end of the second pipe far away from the second output port are connected with the return pipe through annular pipes.

As a preferable technical solution of the plunger filling machine pipeline system, a filling inlet is formed at one end of the feeding pipe extending into the filling tank, and the filling inlet is located below the first cleaning spray ball.

As a preferable technical scheme of the plunger filling machine pipeline system, the filling tank and the backflow tank are both connected with vent pipes, and the vent pipes are communicated with the inside and the outside of the filling tank and/or the backflow tank.

As a preferable technical solution of the plunger filling machine pipeline system, a control valve is disposed on the vent pipe, and the control valve can close or open the vent pipe.

As a preferable technical solution of the plunger filling machine pipeline system, a control valve is disposed in each branch of the return pipe, the feed pipe and the emptying pipe, and the control valve can close or open the branch.

As a preferable technical solution of the plunger filling machine pipeline system, a liquid level detector is arranged in an inner cavity of the filling tank and/or an inner cavity of the return tank.

As a preferable technical solution of the plunger filling machine pipeline system, a dummy cup is disposed at the third output port of the plunger filling valve, and the dummy cup is used for selectively blocking the third output port.

On the other hand, the cleaning method of the pipeline system of the plunger filling machine is also provided, wherein cleaning liquid is input into the pipeline system from a main inlet, the cleaning liquid is sprayed to the inner wall of the filling tank from the first cleaning spray ball, and then the cleaning liquid sequentially passes through the backflow port of the filling tank, the backflow tank and the circulating pump of the backflow system;

inputting the cleaning liquid into the pipeline system from the main inlet, inputting the cleaning liquid into an inner cavity of the filling tank from a feeding pipe, and then sequentially passing the cleaning liquid through a discharge hole of the filling tank, an input port and a first output port in the plunger filling valve, an annular pipe, the reflux tank and the circulating pump of the reflux system;

inputting the cleaning liquid into the pipeline system from the main inlet, inputting the cleaning liquid into an inner cavity of the filling tank from the feeding pipe, and then sequentially passing the cleaning liquid through a discharge hole of the filling tank, the input port and a second output port in the plunger filling valve, the annular pipe, the reflux tank and the circulating pump of the reflux system;

inputting the cleaning liquid into the pipeline system from the main inlet, and sequentially passing the cleaning liquid through the annular pipe, the second output port and the input port in the plunger filling valve, the discharge port of the filling tank, the feed pipe, the reflux tank and the circulating pump in the reflux system;

and inputting the cleaning liquid into the pipeline system from the main inlet, spraying the cleaning liquid out of the inner wall of the reflux tank from the second cleaning spray ball, and then sequentially passing the cleaning liquid through the reflux tank and the circulating pump of the reflux system.

The invention has the beneficial effects that: the pipeline system of this kind of structure can wash the inside of plunger filling valve respectively, each position, makes each position and the interface of plunger filling valve wash effectively, avoids the inside sanitary dead angle that exists of plunger filling valve to greatly promote clean effect, on the basis that satisfies the filling requirement, be convenient for wash inside the pipeline system, guarantee the cleaning performance.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is an overall schematic view of a plunger filler piping system according to an embodiment.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a block diagram of a plunger filling valve according to an embodiment.

In the figure:

1. filling the tank; 2. a reflux tank; 3. a first cleaning spray ball; 4. a second cleaning spray ball; 5. a feed pipe; 6. a return pipe; 7. emptying the pipe; 8. a plunger filling valve; 801. an input port; 802. a first output port; 803. a second output port; 804. a third output port; 805. a dummy cup; 9. a first tube; 10. a second tube; 11. an annular tube;

a control valve: AV01, AV02, AV03, AV04, AV05, AV06, AV07, AV08, AV09, MV01, MV 02;

a liquid level detector: LT01, LT 02.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, the arrows in fig. 1 indicate the liquid transport direction. The invention provides a pipeline system of a plunger filling machine, which can be used for conveniently cleaning the pipeline system on the basis of filling materials, is favorable for keeping the cleanness of the pipeline system of the plunger filling machine and avoids the pollution of the filled materials. The plunger filling machine pipeline system comprises a filling tank 1, a plunger filling valve 8, a backflow tank 2, a pipeline, a backflow system and an emptying device. The bottom of filling jar 1 has backward flow mouth and discharge gate, and the inner chamber upper portion of filling jar 1 is provided with first washing and spouts ball 3, and first washing spouts ball 3 mainly used to the inner wall injection washing liquid of filling jar 1 to the realization is to the cleanness of filling jar 1 inner wall. The plunger filling valve 8 has an input port 801 (i.e., port a) and a first output port 802 (i.e., port b), a second output port 803 (i.e., port c), and a third output port 804 (i.e., port d) that are selectively in communication with the input port 801, respectively, the discharge port being in communication with the input port 801, and the third output port 804 being used to fill the external container with liquid. The inner chamber upper portion of backward flow jar 2 is provided with the second and washs and spouts ball 4, and the second washs and spouts ball 4 mainly used to the inner wall injection washing liquid of backward flow jar 2 to the realization is to the cleanness of backward flow jar 2 inner wall. The pipeline includes inlet pipe 5 and respectively with return pipe 6 and the evacuation pipe 7 of inlet pipe 5 selectivity intercommunication, first delivery outlet 802 and second delivery outlet 803 through return pipe 6 selectivity with the inside intercommunication of backward flow jar 2, backward flow mouth and backward flow jar 2 are connected to return pipe 6, be provided with total entry on the inlet pipe 5, total entry is used for the input liquid, the one end that total entry was kept away from to inlet pipe 5 extends to 1 inner chamber of filling jar, first washing spouts ball 3 and second washing and spouts ball 4 all with inlet pipe 5 selectivity intercommunication. The reflux system comprises a circulating pump, the emptying pipe 7 and the reflux tank 2 are connected with the circulating pump, and the circulating pump can pump the liquid in the reflux tank 2 and the emptying pipe 7 to the designated position. The evacuation device is in selective communication with the evacuation tube 7 for evacuating liquid from the interior of the evacuation tube 7.

Liquid can be input into the interior of the pipeline system at the main inlet, for example, a material to be filled, a cleaning liquid or a heat conducting liquid can be input into the interior of the pipeline system at the main inlet, so that the material can be filled, the interior of the pipeline system can be cleaned by the cleaning liquid or the interior of the pipeline system can be preheated by the heat conducting liquid. It can be understood that for some materials with temperature requirements for filling, the heat-conducting liquid with certain temperature is required to pass through the inside of the pipeline system before the materials are filled, so that the heat-conducting liquid can preheat the inside of the pipeline system to a certain temperature and then fill the materials. In this embodiment, set up first washing on the inner chamber upper portion of filling jar 1 and spout ball 3 and set up the second washing on the inner chamber upper portion of backward flow jar 2 and spout ball 4, because first washing spouts ball 3 and the second washing spouts ball 4 all with inlet pipe 5 selectivity intercommunication, consequently the inside washing liquid of inlet pipe 5 can spout the inner wall that ball 4 sprayed filling jar 1 and the inner wall of backward flow jar 2 respectively from first washing to spout ball 3 and second washing, realize the washing of 1 inner walls of filling jar and 2 inner walls of backward flow jar. The reflux system is used for realizing the backward flow of cleaning solution, utilize the circulating pump can take out the inside washing liquid of reflux drum 2 and evacuation pipe 7 to appointed position, for example take out inside the liquid temporary storage jar with the inside washing liquid of reflux drum 2 and evacuation pipe 7, utilize outside equipment to again with the inside washing liquid of temporary storage jar from total entry input to inside the pipe-line system again to realize the circulation reuse of washing liquid, effectively improve the utilization ratio of washing liquid. The emptying device can directly discharge the liquid in the emptying pipe 7 to the outside of the pipeline system, so that the liquid is prevented from remaining in the pipeline to influence the use of the pipeline system. The first output port 802 and the second output port 803 of the plunger filling valve 8 communicate with the interior of the return tank 2 through the return pipe 6, and the cleaning liquid is fed from the main inlet port into the interior of the feed pipe 5, and is delivered to the interior of the filling tank 1 along the extending direction of the feed pipe 5. After the input port 801 of the plunger filling valve 8 is communicated with the first output port 802, the cleaning liquid sequentially passes through the input port 801 and the first output port 802 from the discharge port, and the first output port 802 and a channel between the input port 801 and the first output port 802 can be cleaned; after the input port 801 of the plunger filling valve 8 is communicated with the second output port 803, the cleaning liquid sequentially passes through the input port 801 and the second output port 803 from the discharge port, and the second output port 803 and a channel between the input port 801 and the second output port 803 can be cleaned; after the input port 801 of the plunger filling valve 8 is communicated with the third output port 804, the cleaning liquid sequentially passes through the input port 801 and the third output port 804 from the discharge port, and the third output port 804 and a channel between the output port and the third output port 804 can be cleaned. The pipeline system of this kind of structure can wash plunger filling valve 8's inside, each position respectively, makes each position and the interface of plunger filling valve 8 wash effectively, avoids plunger filling valve 8 inside to have sanitary dead angle to greatly promoted clean effect, on the basis that satisfies the filling requirement, be convenient for wash inside the pipeline system, guarantee the cleaning performance.

As a preferred option, the main inlet is in selective communication with the return line 6 and the evacuation line 7. In the present embodiment, the return pipe 6 is provided with a control valve AV08 at a position between the return port and the return tank 2, and the return pipe 6 is opened or closed by the control valve AV 08. The evacuation pipe 7 is provided with a control valve MV01 at a point between the main inlet and the evacuation device, with which control valve MV01 the evacuation pipe 7 is opened or closed. The return line 6 is used to flow the cleaning liquid through the first output port 802 and the input port 801 of the plunger filling valve 8 in sequence, and through the second input port 801 and the input port 801 of the plunger filling valve 8 in sequence, so as to reversely clean the channel of the plunger filling valve 8 between the input port 801 and the first output port 802 and the channel between the input port 801 and the second output port 803, respectively. The pipeline system with the structure can respectively carry out forward and reverse cleaning on the internal channel of the plunger filling valve 8, and further is favorable for improving the cleaning effect of the pipeline system.

A first pipe 9 is arranged between the first output port 802 and the return pipe 6, a second pipe 10 is arranged between the second output port 803 and the return pipe 6, and one end of the first pipe 9 far away from the first output port 802 and one end of the second pipe 10 far away from the second output port 803 are both connected with the return pipe 6 through the annular pipe 11. The first outlet 802 and the second outlet 803 of the plunger filling valve 8 are connected to the return tank 2 via the annular tube 11.

In this embodiment, the pipeline system includes two plunger filling valves 8, and two plunger filling valves 8 are respectively located below filling tank 1 at intervals. Of course, in other embodiments, the specific number of plunger filling valves 8 may be flexibly set according to the requirement, for example, the number of plunger filling valves 8 is set to be one, three or four, etc.

In another embodiment, referring to fig. 1, a filling inlet is formed at one end of the feeding pipe 5 extending into the filling tank 1, and the filling inlet is located below the first cleaning spray ball 3, so that the filling inlet is arranged close to the bottom of the filling tank 1, on one hand, the risk that materials are sputtered to the side wall of the filling tank 1 due to the fact that the height of the filling inlet is too high is reduced during filling operation; on the other hand, the distance between the filling inlet and the bottom of the filling tank 1 is shortened, when the internal channel of the plunger filling valve 8 is reversely cleaned, after the cleaning liquid is discharged from the input port 801 of the plunger filling valve 8 to the inside of the filling tank 1, the cleaning liquid can enter the inside of the feeding pipe 5 from the filling inlet, so that the cleaning liquid is reversely output to the inside of the backflow tank 2 or the emptying pipe 7 in the inside of the feeding pipe 5.

In order to keep the air pressure of the filling tank 1 and the air pressure of the backflow tank 2 consistent with the atmospheric pressure, the filling tank 1 and the backflow tank 2 are both connected with vent pipes, and the vent pipes are communicated with the inside and the outside of the filling tank 1 and/or the backflow tank 2. In this embodiment, the piping system includes two vent pipes, one of which is connected to the filling tank 1 and the other of which is connected to the return tank 2. One end of the vent pipe is connected with the filling tank 1 or the backflow tank 2, and the other end of the vent pipe extends out of the filling tank 1 or the backflow tank 2 to be communicated with the atmosphere to form a breathing port. The vent pipe is provided with a control valve which can close or open the vent pipe so as to be convenient for use.

Each of the return pipe 6, the feed pipe 5 and the evacuation pipe 7 is provided with a control valve in each branch, which can close or open the branch. The branch is closed or opened through a control valve, so that the pipeline system realizes the functions of filling, cleaning or preheating.

In this embodiment, the circulation pump is connected with the reflux tank 2 through a connection pipe, and the evacuation pipe 7 is selectively communicated with the connection pipe through a control valve MV 02.

It should be noted that, each control valve in the plunger filling machine pipeline system may be selected from a pneumatic stop valve, a pneumatic butterfly valve, a manual ball valve, etc., as required, and the type of the control valve is not particularly limited herein.

In this embodiment, the inner cavities of the filling tank 1 and the return tank 2 are respectively provided with liquid level detectors LT01 and LT02, and the liquid level detectors LT01 and LT02 are used to respectively detect the liquid level heights of the inner cavities of the filling tank 1 and the return tank 2.

Referring to fig. 3, the plunger filling valve 8 is provided with a dummy cup 805 at the third output port 804, and the dummy cup 805 is used for selectively blocking the third output port 804. The dummy cup 805 is detachably connected to the plunger filling valve 8, the dummy cup 805 is connected to the plunger filling valve 8, the third output port 804 is blocked, and the dummy cup 805 is detached from the plunger filling valve 8, so that the third input port 804 communicates with the outside. Specifically, the plunger filling valve 8 is controlled by the control unit and the dummy cup 805 to open and close the input port 801 to the first output port 802, the input port 801 to the second output port 803, and the input port 801 to the third output port 804.

The working conditions which can be realized by the pipeline system of the plunger filling machine comprise: STOP (i.e., STOP), fill, preheat, purge, and empty. The working conditions ensure that the pipeline system of the plunger filling machine is on the basis of filling materials, and the inside of the pipeline system is effectively cleaned.

Specifically, all control valves in the piping system are closed when stopped (i.e., STOP), and all control valves are opened when drained;

when filling (namely filling materials), inputting the materials into the feeding pipe 5 from a main inlet, when the liquid level detector LT01 detects that the liquid level inside the filling tank 1 does not reach M, and the liquid level detector LT01 detects that the liquid level inside the filling tank 1 reaches H, opening the control valve AV01, allowing the materials to sequentially enter the filling valve through the control valve AV01, the control valve AV02 and the control valve AV06, allowing the materials to sequentially pass through the input port 801 and the third output port 804 of the plunger filling valve 8 after passing through the inside of the filling tank 1, and further filling the materials into an external container;

during preheating, in will leading hot liquid from the total entry input, leading hot liquid passes through control valve AV01, control valve AV02 and control valve AV06 in proper order, enter into the inside back of filling tank 1, again in proper order through input port 801 and first delivery outlet 802 of plunger filling valve 8, control valve AV09, control valve AV02, return tank 2, when liquid level detector LT02 inside return tank 2 detects that the inside liquid level of return tank 2 reaches M, the circulating pump is opened, and take out the inside leading hot liquid of return tank 2 to the assigned position, when liquid level detector LT02 inside return tank 2 detects that the inside liquid level of return tank 2 reaches L, the circulating pump is closed, stop taking out leading hot liquid.

In this embodiment, a method for cleaning a pipeline system of a plunger filling machine is further provided, which includes the following steps:

first cleaning procedure (i.e., CIP-1): the cleaning liquid is input into the pipeline system from the main inlet, is sprayed to the inner wall of the filling tank 1 from the first cleaning spray ball 3, and then sequentially passes through the return port of the filling tank 1, the return tank 2 and the circulating pump of the return system. The cleaning process is mainly to clean the inside of the filling tank 1. The specific flowing process of the cleaning liquid in the first cleaning flow is as follows: control valve AV07 is in the state of opening, input the inside of inlet pipe 5 with the washing liquid from total entry, the washing liquid passes through control valve AV01 in proper order, control valve AV02, control valve AV05 sprays the inner wall of filling tank 1 from first washing ball 3, after the washing liquid flows to the bottom from the inner wall of filling tank 1, flow to the inside of return tank 2 through control valve AV08, when liquid level detector LT02 in the inside of return tank 2 detects that the liquid level in the inside of return tank 2 reaches M, the circulating pump is opened, and take out the washing liquid in the inside of return tank 2 to the assigned position, when liquid level detector LT02 in the inside of return tank 2 detects that the liquid level in the inside of return tank 2 reaches L, the circulating pump is closed, stop taking out the washing liquid.

Second cleaning procedure (i.e., CIP-2): the cleaning liquid is input into the pipeline system from the main inlet, and after the cleaning liquid is input into the inner cavity of the filling tank 1 from the feeding pipe 5, the cleaning liquid sequentially passes through the discharge hole of the filling tank 1, the input port 801 and the first output port 802 in the plunger filling valve 8, the annular pipe 11, the reflux tank 2 and the circulating pump of the reflux system. The purging process is mainly to purge the first output port 802 and the passage between the input port 801 and the first output port 802 of the plunger filling valve 8. The specific flow process of the cleaning liquid in the second cleaning flow is as follows: the control valve AV07 is in an open state, cleaning liquid is input into the feeding pipe 5 from a main inlet, the cleaning liquid sequentially passes through the control valve AV01, the control valve AV02 and the control valve AV06 to enter the filling tank 1, and then sequentially passes through the input port 801 and the first output port 802 of the plunger filling valve 8 and the control valve AV09 to flow into the reflux tank 2, when the liquid level detector LT02 in the reflux tank 2 detects that the liquid level in the reflux tank 2 reaches M, the circulating pump is opened, the cleaning liquid in the reflux tank 2 is pumped to a specified position, when the liquid level detector LT02 in the reflux tank 2 detects that the liquid level in the reflux tank 2 reaches L, the circulating pump is closed, and the cleaning liquid pumping is stopped.

Third cleaning procedure (i.e., CIP-3): the cleaning liquid is input into the pipeline system from the main inlet, and after the cleaning liquid is input into the inner cavity of the filling tank 1 from the feeding pipe 5, the cleaning liquid sequentially passes through the discharge hole of the filling tank 1, the input port 801 and the second output port 803 of the plunger filling valve 8, the annular pipe 11, the reflux tank 2 and the circulating pump of the reflux system. The cleaning process is mainly to clean the second output port 803 and the channel between the input port 801 and the second output port 803 of the plunger filling valve 8. The specific flowing process of the cleaning liquid in the third cleaning flow is as follows: the control valve AV07 is in an open state, cleaning liquid is input into the feeding pipe 5 from a main inlet, the cleaning liquid sequentially enters the filling tank 1 through the control valve AV01, the control valve AV02 and the control valve AV06, and then sequentially flows into the reflux tank 2 through the input port 801 and the second output port 803 of the plunger filling valve 8 and the control valve AV09, when the liquid level detector LT02 in the reflux tank 2 detects that the liquid level in the reflux tank 2 reaches M, the circulating pump is opened, the cleaning liquid in the reflux tank 2 is pumped to a specified position, and when the liquid level detector LT02 in the reflux tank 2 detects that the liquid level in the reflux tank 2 reaches L, the circulating pump is closed, and the cleaning liquid pumping is stopped.

Fourth cleaning procedure (i.e., CIP-4): and (3) inputting the cleaning liquid into the pipeline system from the main inlet, and sequentially passing the cleaning liquid through the annular pipe 11, the second output port 803 and the input port 801 in the plunger filling valve 8, the discharge port of the filling tank 1, the feeding pipe 5, the reflux tank 2 and a circulating pump in the reflux system. The cleaning process is mainly to reversely clean the first output port 802 and the channel between the input port 801 and the first output port 802 of the plunger filling valve 8. The specific flowing process of the cleaning liquid in the third cleaning flow is as follows: the control valve AV07 is in a closed state, cleaning liquid is input into the feeding pipe 5 from a main inlet, the cleaning liquid sequentially passes through the control valve AV01, the control valve AV03, the control valve AV09, a first output port 802 and an input port 801 in the plunger filling valve 8, enters the filling tank 1, then passes through the control valve AV06 and enters the reflux tank 2 through the feeding pipe 5, when a liquid level detector LT02 in the reflux tank 2 detects that the liquid level in the reflux tank 2 reaches M, the circulating pump is turned on, the cleaning liquid in the reflux tank 2 is pumped to a specified position, when a liquid level detector LT02 in the reflux tank 2 detects that the liquid level in the reflux tank 2 reaches L, the circulating pump is turned off, and the cleaning liquid pumping is stopped.

Fifth cleaning procedure (i.e., CIP-5): the cleaning liquid is input into the pipeline system from the main inlet, sprayed out of the inner wall of the reflux tank 2 from the second cleaning spray ball 4, and then sequentially passes through the reflux tank 2 and the circulating pump of the reflux system. The cleaning process is mainly to clean the inside of the reflux drum 2. The concrete flowing process of the cleaning liquid in the fifth cleaning flow is as follows: the inside of inlet pipe 5 is imported from total entry with the washing liquid, and the inside that the washing liquid enters into reflux drum 2 through control valve AV04, when the inside liquid level detector LT02 of reflux drum 2 detected the inside liquid level of reflux drum 2 and reached M, the circulating pump was opened to take out the inside washing liquid of reflux drum 2 to the assigned position, when the inside liquid level detector LT02 of reflux drum 2 detected the inside liquid level of reflux drum 2 and reached L, the circulating pump was closed, stopped taking out the washing liquid.

Specifically, when the plug filling machine pipeline system STOPs (i.e., STOP), fills, preheats, performs the first cleaning process, the second cleaning process, the third cleaning process, the fourth cleaning process, the fifth cleaning process, and exhausts, the communication condition of each output port of the plug filling valve 8, the on-off of each control valve, and the working condition of the circulating pump in the pipeline system are as follows:

according to the cleaning method of the plunger filling machine pipeline system, all channels and output ports in the plunger filling valve 8 can be cleaned, all parts of the plunger filling valve 8 can be effectively cleaned, sanitary dead corners in the plunger filling valve 8 are avoided, the cleaning effect is greatly improved, the cleaning of the interior of the pipeline system is facilitated on the basis of meeting the filling requirement, and the cleaning effect is guaranteed.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an 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, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A plunger filling machine piping system, comprising:

2. The plunger filler piping system of claim 1, wherein said manifold inlet is in selective communication with said return line and said drain line.

3. The plunger filling machine piping system of claim 1, wherein a first pipe is provided between said first delivery outlet and said return pipe, and a second pipe is provided between said second delivery outlet and said return pipe, and wherein an end of said first pipe remote from said first delivery outlet and an end of said second pipe remote from said second delivery outlet are connected to said return pipe by an annular pipe.

4. The plunger filler piping system of claim 1, wherein an end of said feed tube extending into said filling tank is formed with a filling inlet, said filling inlet being located below said first purge spray ball.

5. The plunger filler piping system of claim 1, wherein a vent pipe is connected to each of said filling tank and said return tank, said vent pipe communicating between the interior and exterior of said filling tank and/or said return tank.

6. The plunger filler piping system of claim 5, wherein said vent pipe is provided with a control valve capable of closing or opening said vent pipe.

7. The plunger filler piping system of claim 1, wherein each branch of said return, feed and drain pipes has a control valve disposed therein, said control valves being capable of closing or opening said branch.

8. Plunger filler pipe system according to claim 5, characterised in that the inner cavity of the filling tank and/or the inner cavity of the return tank is provided with a liquid level detector.

9. The plunger filler piping system of claim 1, wherein said plunger filler valve is provided with a dummy cup at said third output port, said dummy cup for selectively blocking said third output port.

10. A method of cleaning a plunger filler piping system as claimed in any one of claims 1 to 9, characterized by the steps of:

inputting a cleaning solution into the pipeline system from a main inlet, spraying the cleaning solution onto the inner wall of the filling tank from a first cleaning spray ball, and then sequentially passing the cleaning solution through a backflow port of the filling tank, a backflow tank and a circulating pump of the backflow system;