CN113426773A - Cleaning system and cleaning method of filling system - Google Patents

Abstract

The invention relates to a cleaning system of a filling system, which comprises a material filling system and a material UHT system, wherein the material filling system comprises a first pipeline and a second pipeline, the first pipeline is communicated with a CIP inlet pipeline, the material UHT system comprises a feeding pipeline and a return pipeline, the feeding pipeline is communicated with the first pipeline through a first reversing valve, the second pipeline is respectively communicated with the CIP return pipeline and the return pipeline through a second reversing valve, a first one-way valve is arranged between the second reversing valve and the return pipeline, the return pipeline is communicated with the first reversing valve through a connecting pipeline, and the connecting pipeline is provided with a second one-way valve. The cleaning system and the cleaning method of the filling system can enable the material filling system and the material UHT system to form two independent circulating systems, do not have a shared pipeline, do not need signal handover, do not need a conversion device, can clean simultaneously or independently, and effectively improve the CIP cleaning efficiency and the reliability thereof.

Description

Cleaning system and cleaning method of filling system

Technical Field

The invention relates to the technical field of CIP cleaning of filling systems, in particular to a cleaning system and a cleaning method of a filling system.

Background

CIP cleaning systems are also known as clean in place systems (clean in place), which refer to cleaning of equipment and piping using cleaning fluids (both acidic and alkaline) without disassembly or removal of the equipment. The UHT system is a system capable of carrying out ultrahigh instantaneous sterilization on materials, the product is continuously subjected to short-time rapid heating and rapid cooling treatment in a completely sealed system, all harmful microorganisms are killed, the influence on the flavor and the nutrient content of the product is extremely small, and the secondary pollution of the product is prevented. The part of the existing filling system, which is in contact with the material, needs to be cleaned by CIP, wherein the part comprises a feeding pipeline between the material UHT and the filling machine and a return pipeline between the material UHT and the UHT, and the traditional CIP cleaning mode is that the feeding return pipeline inside the filling machine system and between the material and the UHT and the material UHT system are cleaned in a linkage manner. The defects are that the cleaning equipment and pipelines are more, the time consumption is long, the cleaning efficiency is not high, and the cleaning can not be carried out independently.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a cleaning system and a cleaning method of a filling system, which can greatly improve the cleaning efficiency of CIP.

The specific technical scheme is as follows: the utility model provides a cleaning system of filling system, includes material filling system and material UHT system, the material filling system includes first pipeline and second pipeline, first pipeline and CIP import pipeline intercommunication, material UHT system includes feed line and feed back pipeline, the feed line is through first switching-over valve and first pipeline intercommunication, the second pipeline is through second switching-over valve respectively with CIP return line and feed back pipeline intercommunication, be equipped with first check valve between second switching-over valve and the feed back pipeline, feed back pipeline and first switching-over valve are through the connecting line intercommunication, the connecting line is equipped with the second check valve.

Preferably, a pneumatic valve is arranged on the CIP inlet pipeline.

Preferably, the second pipeline is provided with a reflux pump.

Preferably, the first reversing valve and the second reversing valve are provided with three ports.

Preferably, the three ports of the first reversing valve are respectively communicated with the feeding pipeline, the connecting pipeline and the first pipeline, and the three ports of the second reversing valve are respectively communicated with the CIP return pipeline, the feed back pipeline and the second pipeline.

A method of cleaning a filling system, comprising the steps of:

s1: opening the CIP inlet pipeline, connecting a first interface and a second interface of the first reversing valve, and allowing a CIP cleaning liquid to enter the material filling system to perform CIP cleaning on the pipeline inside the system;

and S2, pumping the CIP cleaning liquid into the second reversing valve through the return pump, and enabling a third interface of the second reversing valve to be communicated with the first interface and enter a CIP return pipeline.

The invention has the technical effects that: the cleaning system and the cleaning method of the filling system can enable the material filling system and the material UHT system to form two independent circulating systems, do not have a shared pipeline, do not need signal handover, do not need a conversion device, can clean simultaneously or independently, and effectively improve CIP cleaning efficiency and reliability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of a cleaning system of a filling system according to an embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

As shown in fig. 1, the cleaning system of a filling system of this embodiment includes a material filling system and a material UHT system, the material filling system includes a first pipeline 1 and a second pipeline 2, the first pipeline 1 communicates with a CIP inlet pipeline 3, the material UHT system includes a feeding pipeline 4 and a return pipeline 5, the feeding pipeline 4 communicates with the first pipeline 1 through a first direction valve a, the second pipeline 2 communicates with a CIP return pipeline 6 and a return pipeline 5 through a second direction valve B, a first check valve 7 is disposed between the second direction valve B and the return pipeline 5, the return pipeline 5 communicates with the first direction valve a through a connecting pipeline 8, and the connecting pipeline 8 is provided with a second check valve 9. Through the technical scheme, the CIP cleaning inlet and outlet pipeline of the filling system is mutually independent and separated from the material feeding pipeline and the material returning pipeline (and the pipeline between the feeding pipeline and the UHT pipeline), so that independent CIP cleaning in the filling machine system can be realized, and the feeding pipeline, the material returning pipeline and the UHT system form an independent CIP cleaning system. There is no shared pipeline between two CIP circulating systems, and there is no need for signal handover and conversion device.

In this embodiment, the CIP inlet pipeline 3 is provided with a pneumatic valve 10 for controlling the opening and closing of the pipeline. The second pipeline 2 is provided with a return pump 11. The first reversing valve A and the second reversing valve B are provided with three connectors. And the first to third ports of the first reversing valve A are respectively communicated with the feeding pipeline 4, the connecting pipeline 8 and the first pipeline 1. And the first to third ports of the second reversing valve B are respectively communicated with the CIP return pipeline 6, the feed back pipeline 5 and the second pipeline 2.

The cleaning system of a filling system of this embodiment is under normal filling state: the pneumatic valve 10 is closed, the material is conveyed to a material inlet of the filling machine through the feeding pipeline 4 to the first reversing valve A, the first interface and the third interface of the first reversing valve A are communicated at the moment, the feeding pipeline 4 is communicated with the first pipeline 1, the material enters the filling machine system for filling, the returned material in the filling process is pumped into the second reversing valve B through the reflux pump 11, the third interface and the second interface of the second reversing valve are communicated at the moment, the returned material pipeline 5 is communicated with the second pipeline 2, and the returned material enters the material UHT system through the first one-way valve 7 to the material return port.

A method of cleaning a filling system, comprising the steps of: s1: opening the CIP inlet pipeline, connecting a first interface and a second interface of the first reversing valve A, and allowing a CIP cleaning liquid to enter a material filling system to perform CIP cleaning on the pipeline inside the system; and S2, pumping the CIP cleaning liquid into the second reversing valve B through the return pump 11, and enabling a third interface of the second reversing valve B to be communicated with the first interface and enter a CIP return pipeline. Meanwhile, the material UHT system, the material feeding pipeline 4, the first interface and the second interface of the second reversing valve B, the second one-way valve 8 and the material return pipeline form a set of CIP circulating cleaning system. There is not the shared pipeline between two big CIP circulation systems, need not signal handing-over, also need not conversion equipment, can wash simultaneously or independently separately, has effectively improved CIP cleaning efficiency and reliability.

The cleaning system and the cleaning method of the filling system can enable the material filling system and the material UHT system to form two independent circulating systems, do not have a shared pipeline, do not need signal handover, do not need a conversion device, can clean simultaneously or independently, and effectively improve CIP cleaning efficiency and reliability.

The cleaning system of the filling system of the present invention has been described above, but the present invention is not limited to the above-described specific embodiments, and various modifications and changes can be made without departing from the scope of the claims. The present invention includes various modifications and alterations within the scope of the claims.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The cleaning system of the filling system is characterized by comprising a material filling system and a material UHT system, wherein the material filling system comprises a first pipeline and a second pipeline, the first pipeline is communicated with a CIP inlet pipeline, the material UHT system comprises a feeding pipeline and a return pipeline, the feeding pipeline is communicated with the first pipeline through a first reversing valve, the second pipeline is communicated with the CIP return pipeline and the return pipeline through a second reversing valve respectively, a first one-way valve is arranged between the second reversing valve and the return pipeline, the return pipeline is communicated with the first reversing valve through a connecting pipeline, and the connecting pipeline is provided with a second one-way valve.

2. The cleaning system of the filling system according to claim 1, wherein a pneumatic valve is provided on the CIP inlet line.

3. The cleaning system of the filling system according to claim 2, wherein the second line is provided with a return pump.

4. The cleaning system of the filling system according to claim 3, wherein the first and second direction valves are each provided with three ports.

5. The cleaning system of the filling system according to claim 4, wherein the three ports of the first direction valve are respectively communicated with the feeding pipeline, the connecting pipeline and the first pipeline, and the three ports of the second direction valve are respectively communicated with the CIP return pipeline, the feed back pipeline and the second pipeline.

6. A method of cleaning a filling system, comprising the steps of:

s1: opening the CIP inlet pipeline, connecting a first interface and a second interface of the first reversing valve, and allowing a CIP cleaning liquid to enter the material filling system to perform CIP cleaning on the pipeline inside the system;

and S2, pumping the CIP cleaning liquid into the second reversing valve through the return pump, and enabling a third interface of the second reversing valve to be communicated with the first interface and enter a CIP return pipeline.

Images