CN114570115A - Filter cleaning system - Google Patents

Abstract

The invention relates to a filter cleaning system comprising: the cleaning device comprises a cleaning tank module, a pipeline module, a centrifugal pump, a water supply module, a cleaning agent module and a discharge module, wherein the cleaning tank module is provided with a first inlet and a first outlet; the centrifugal pump is arranged on the first pipeline and is communicated between the cleaning agent module and the second pipeline; the water supply module with first entry intercommunication, the emission module includes first emission pipe, first emission pipe with first pipeline intercommunication, wherein, the junction of each part and pipeline, pipeline and pipeline all is equipped with the valve. This filter cleaning system can realize the self-cleaning to the filter, and the data that realizes the cleaning process can be inquired, printed and traceed back, is favorable to improving the cleaning efficiency, still is favorable to overcoming artifical the participation more simultaneously, easily produces the problem of pollution, reduces the pollution risk of filter, improves the washing quality of filter.

Description

Filter cleaning system

Technical Field

The invention relates to the technical field of biological pharmaceutical equipment, in particular to a filter cleaning system.

Background

With the development of the bio-pharmaceutical technology, automatic pharmaceutical equipment appears, and a sterilization filter is used in the liquid medicine filtering process, so that the liquid medicine filtering device is mainly used for preventing impurities, harmful bacteria, microorganisms and the like in the air from entering a tank body, a production line, a sterile room and the like to cause the change of water quality, products and the environment of the sterile room, and meets the process requirements of the pharmaceutical industry. The working principle of the sterilizing filter is to remove microorganisms, heat source substances and the like in liquid or gas by adopting a physical entrapment method so as to meet the relevant quality requirements of sterile medicines. In the pharmaceutical manufacturing process, the filtration precision of the commonly used sterile filter is different from 0.45 micron, 0.22 micron and 0.2 micron.

In the traditional technology, the whole equipment and parts need to be kept sterile in the whole medicine manufacturing process, and at the moment, the whole equipment and parts need to be cleaned and sterilized to ensure the sterility of the whole medicine. However, the special structure of present liquid filter shell can't satisfy and washs the operation in whole pipe-line system, and the pharmaceutical factory all adopts artifical the dismantlement back at present stage, shifts to the assigned position and carries out rinse thoroughly to straining shell and filter core, and this operation manual operation is many, and difficult avoid produces the error to cause the pollution risk easily.

Disclosure of Invention

Based on this, it is necessary to overcome the defects in the prior art, and a filter cleaning system is provided, which can effectively perform automatic cleaning operation on a filter and a pipeline system, is beneficial to improving the cleaning efficiency, and reduces the pollution risk.

The technical scheme is as follows: a filter cleaning system, the filter cleaning system comprising: a wash tank module having a first inlet and a first outlet; the pipeline module comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, wherein two ends of the first pipeline are respectively communicated with the first inlet and the first outlet, one end of the second pipeline is communicated with the first outlet, the other end of the second pipeline is used for being communicated with the second inlet of the filter, one end of the third pipeline is communicated with a pressure gauge port of the filter, the other end of the third pipeline is communicated with the first inlet, one end of the fourth pipeline is used for being communicated with the second outlet of the filter, the other end of the fourth pipeline is communicated with the first inlet, and two ends of the fifth pipeline are respectively communicated with the first pipeline and the fourth pipeline; the cleaning agent module is communicated with the first pipeline and is used for providing cleaning agent for the cleaning tank module; the centrifugal pump is arranged on the first pipeline and is communicated between the cleaning agent module and the second pipeline; the water supply module is communicated with the first inlet and is used for supplying water to the cleaning tank module; the emission module comprises a first emission pipe, the first emission pipe is communicated with the first pipeline, the first emission pipe is used for emitting sewage, and a valve is arranged at the joint of each component and the pipeline, the pipeline and the pipeline.

When the filter cleaning system needs to clean the filter, firstly, the second inlet of the filter is communicated with the second pipeline, the second outlet of the filter is communicated with the fourth pipeline, and the pressure gauge port of the filter is communicated with the third pipeline. In the process of cleaning the filter, first, a cleaning agent dissolving step is performed: opening a relevant valve to enable the cleaning agent module to enable the cleaning agent to enter the cleaning tank module through the first pipeline and the first inlet, and meanwhile, supplying water to the cleaning tank module through the water supply module to enable the cleaning agent and the water to be mixed in the cleaning tank module to form a solution; after the cleaning liquid is mixed with water, a tangential cleaning procedure is carried out: opening valves of the second pipeline and the third pipeline, closing other valves, enabling the solution in the cleaning tank module to enter the filter from the first outlet through the first pipeline, the second pipeline and the second inlet under the action of the centrifugal pump, enabling the solution to flow into the cleaning tank module from the pressure gauge port through the third pipeline, and circularly cleaning the interior of the filter and the filter element; after the tangential washing procedure is finished, a forward washing procedure is carried out: opening corresponding valves of the second pipeline and the fourth pipeline, and closing other valves to enable the cleaning agent solution flowing out of the first outlet to enter the filter through the first pipeline, the second pipeline and the second inlet, and return to the cleaning tank module from the second outlet through the fourth pipeline to perform forward circulating cleaning on the filter; after the forward washing procedure is finished, carrying out a backwashing procedure: closing the valve of the second pipeline, opening the valve of the fifth pipeline, allowing the cleaning agent solution to flow out from the first outlet under the action of the centrifugal pump, allowing the cleaning agent solution to enter the filter from the second outlet of the filter through the first pipeline, the fifth pipeline and the fourth pipeline, and allowing the cleaning agent solution to flow back to the cleaning tank module from the third pipeline of the filter to perform reverse circulation cleaning on the filter; after the reverse cleaning is completed, the cleaning agent solution is discharged through the first discharge pipe. This filter cleaning system can realize the automatic washing to the filter, is favorable to improving cleaning efficiency, still is favorable to overcoming artifical the participation more simultaneously, easily produces the problem of pollution, reduces the pollution risk of filter, improves the washing quality of filter.

In one embodiment, the discharge module further comprises a second discharge pipe and a third discharge pipe, the second discharge pipe is communicated between the second pipeline and the first discharge pipe, the third discharge pipe is communicated between the fourth pipeline and the first discharge pipe, and the first discharge pipe is used for discharging sewage.

In one embodiment, the first discharge pipe is provided with a conductivity detector, which is in communication with the first discharge pipe and is used for detecting the conductivity of the liquid in the first discharge pipe.

In one embodiment, the first discharge pipe is provided with a single-end sterile sampling valve which is in openable and closable communication with the first discharge pipe, and the single-end sterile sampling valve is used for sampling liquid in the first discharge pipe.

In one embodiment, the cleaning agent module comprises a cleaning agent barrel and a metering pump, the cleaning agent barrel is communicated with the first pipeline, and the metering pump is communicated between the first pipeline and the cleaning agent barrel.

In one embodiment, a spraying ball is arranged inside the cleaning tank module and is communicated with the first pipeline.

In one embodiment, the wash tank module is further provided with a level gauge for monitoring level information within the wash tank module.

In one embodiment, the filter cleaning system further comprises a pure steam module, wherein the pure steam module comprises a pure steam piece, the pure steam piece is communicated with the first inlet, and the pure steam piece is used for introducing pure steam with the temperature of more than 121 ℃ into the filter cleaning system.

In one embodiment, the pure steam module further comprises more than two temperature transmitters, the two temperature transmitters are respectively communicated with the first exhaust pipe and the second exhaust pipe, and the temperature transmitters are used for detecting the temperature in the first exhaust pipe and the temperature in the second exhaust pipe.

In one embodiment, the filter cleaning system further comprises a compressed air module in communication with the first inlet and an air filter in communication between the compressed air module and the first inlet.

In one embodiment, the filter cleaning system further comprises an air heater in communication between the compressed air module and the air filter, the air heater for heating air.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of a filter cleaning system according to an embodiment;

FIG. 2 is a schematic diagram of an exemplary embodiment of a cleaning agent dissolution process;

FIG. 3 is a schematic diagram of the tangential washing process described in one embodiment;

FIG. 4 is a schematic diagram of the forward washing process in one embodiment;

FIG. 5 is a schematic diagram of the backwash process described in one embodiment;

FIG. 6 is a schematic diagram illustrating the operation of the drain solution in one embodiment;

FIG. 7 is a first schematic diagram of the overall CIP cleaning operation according to one embodiment;

FIG. 8 is a second operational schematic diagram of the integrated CIP cleaning according to an embodiment;

FIG. 9 is a third operational schematic diagram of the integrated CIP cleaning described in one embodiment;

FIG. 10 is a fourth operational schematic diagram of the integrated CIP cleaning described in one embodiment;

FIG. 11 is a first schematic diagram illustrating the overall SIP sterilization process according to an embodiment;

FIG. 12 is a second schematic diagram of the overall SIP sterilization process described in one embodiment;

FIG. 13 is a third operational schematic diagram of bulk SIP sterilization as described in an embodiment;

FIG. 14 is a fourth operational schematic diagram of bulk SIP sterilization as described in one embodiment;

FIG. 15 is a first operational schematic diagram of an integrated purge as described in one embodiment;

FIG. 16 is a second operational schematic diagram of the bulk purge described in one embodiment;

FIG. 17 is a third operational schematic diagram of an integrated purge described in one embodiment;

FIG. 18 is a fourth operational schematic diagram of the bulk purge described in one embodiment.

Description of reference numerals:

100. a filter cleaning system; 110. a cleaning tank module; 111. a first inlet; 112. a first outlet; 113. spraying a ball; 114. a liquid level meter; 115. a valve; 116. a PH probe; 117. a pressure transmitter; 120. a pipe module; 121. a first conduit; 122. a second conduit; 123. a third pipeline; 124. a fourth conduit; 125. a fifth pipeline; 126. a sanitary silica gel hose; 130. a cleaning agent module; 131. a cleaning agent barrel; 132. a metering pump; 133. a float ball type liquid level switch; 140. a centrifugal pump; 150. a water supply module; 160. an exhaust module; 161. a first discharge pipe; 162. a second discharge pipe; 163. a third discharge pipe; 164. a fourth discharge pipe; 165. a conductivity detector; 166. a single-ended sterile sampling valve; 167. an air barrier; 170. a pure steam module; 171. a pure steam piece; 172. a temperature transmitter; 180. a compressed air module; 181. an air filter; 182. an air heater; 183. a diaphragm pressure gauge; 200. a filter; 210. a second inlet; 220. a second outlet; 230. a pressure gauge port.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to 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 invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a filter cleaning system 100 according to an embodiment of the present invention, and the filter cleaning system 100 according to an embodiment of the present invention includes: a wash tank module 110, a piping module 120, a centrifugal pump 140, a water supply module 150, and a drain module 160. The wash tank module 110 is provided with a first inlet 111 and a first outlet 112. The pipeline module 120 comprises a first pipeline 121, a second pipeline 122, a third pipeline 123, a fourth pipeline 124 and a fifth pipeline 125, two ends of the first pipeline 121 are respectively communicated with the first inlet 111 and the first outlet 112, one end of the second pipeline 122 is communicated with the first outlet 112, the other end of the second pipeline 122 is used for being communicated with the second inlet 210 of the filter 200, one end of the third pipeline 123 is communicated with the pressure gauge port 230 of the filter 200, the other end of the third pipeline 123 is communicated with the first inlet 111, one end of the fourth pipeline 124 is used for being communicated with the second outlet 220 of the filter 200, the other end of the fourth pipeline 124 is communicated with the first inlet 111, and two ends of the fifth pipeline 125 are respectively communicated with the first pipeline 121 and the fourth pipeline 124; a cleaning agent module 130, the cleaning agent module 130 being communicated with the first pipe 121, the cleaning agent module 130 being used to provide a cleaning agent to the cleaning tank module 110; the centrifugal pump 140 is arranged on the first pipeline 121, and the centrifugal pump 140 is communicated between the cleaning agent module 130 and the second pipeline 122; the water supply module 150 is communicated with the first inlet 111, and the water supply module 150 is used for supplying water to the wash tank module 110; the discharge module 160 includes a first discharge pipe 161, the first discharge pipe 161 is communicated with the first pipeline 121, the first discharge pipe 161 is used for discharging sewage, wherein a valve 115 is arranged at the connection position of each component and pipeline and the connection position of the pipeline and pipeline. Furthermore, each component and pipeline, and the connection between the pipeline and the pipeline, which are described below, are controlled by a valve 115.

Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, fig. 2 is a schematic diagram illustrating a cleaning agent dissolving process according to an embodiment of the present invention; FIG. 3 illustrates a schematic diagram of the tangential washing process according to an embodiment of the present invention; FIG. 4 is a schematic diagram illustrating the forward washing operation of an embodiment of the present invention; FIG. 5 is a schematic diagram illustrating the operation of the backwash process described in one embodiment of the present invention; FIG. 6 illustrates a schematic diagram of the operation of the drain solution in an embodiment of the present invention; when the filter cleaning system 100 needs to clean the filter 200, first, the second inlet 210 of the filter 200 is communicated with the second pipe 122, the second outlet 220 of the filter 200 is communicated with the fourth pipe 124, and the pressure gauge port 230 of the filter 200 is communicated with the third pipe 123. In the process of cleaning the filter 200, first, a cleaning agent dissolving step is performed: opening the associated valve 115 such that the detergent module 130 introduces the detergent into the wash tank module 110 through the first pipe 121 and the first inlet 111, and simultaneously, the water supply module 150 supplies water to the wash tank module 110 such that the detergent is mixed with the water in the wash tank module 110 to form a solution; after mixing, a tangential washing process is carried out: the valves 115 of the second pipeline 122 and the third pipeline 123 are opened, other valves 115 are closed, under the action of the centrifugal pump 140, the solution in the cleaning tank module 110 enters the filter 200 from the first outlet 112 through the first pipeline 121, the second pipeline 122 and the second inlet 210, and flows into the cleaning tank module 110 from the pressure gauge port 230 through the third pipeline 123, and the inside of the filter 200 and the filter element are cleaned circularly; after the tangential washing procedure is finished, a forward washing procedure is carried out: the corresponding valves 115 of the second pipeline 122 and the fourth pipeline 124 are opened, and other valves 115 are closed, so that the cleaning agent solution flowing out of the first outlet 112 enters the filter 200 through the first pipeline 121, the second pipeline 122 and the second inlet 210, and returns to the cleaning tank module 110 from the second outlet 220 through the fourth pipeline 124, and the filter 200 is subjected to forward circulation cleaning; after the forward washing procedure is finished, carrying out a backwashing procedure: the valve 115 of the second pipeline 122 is closed, the valve 115 of the fifth pipeline 125 is opened, under the action of the centrifugal pump 140, the cleaning agent solution flows out from the first outlet 112, enters the filter 200 from the second outlet 220 of the filter 200 through the first pipeline 121, the fifth pipeline 125 and the fourth pipeline 124, and flows back to the cleaning tank module 110 from the third pipeline 123 of the filter 200, so as to perform reverse cycle cleaning on the filter 200; after the reverse cleaning is completed, the cleaning agent solution is discharged through the first discharge pipe 161. This filter cleaning system 100 can realize the automatic washing to filter 200, is favorable to improving cleaning efficiency, still is favorable to overcoming artifical the participation more simultaneously, easily produces the problem of pollution, reduces filter 200's pollution risk, improves filter 200's washing quality.

The filter 200 is provided with a second inlet 210, a second outlet 220 and a pressure gauge port 230. The second inlet 210, the second outlet 220, and the pressure gauge port 230 are detachably connected to the pipe module 120, such as by a snap connection, a clip connection, a bolt connection, a threaded connection, a plug connection, or other connection.

Specifically, referring to fig. 1, the second inlet 210, the second outlet 220, and the pressure gauge port 230 are connected to the pipe module 120 by clips. Therefore, the filter 200 is convenient and fast to use, high in reliability and beneficial to improving the installation efficiency of the filter, and further reduces the pollution probability. The present embodiment provides only one connection manner of the second inlet 210, the second outlet 220, and the pressure measuring port 230 to the pipe module 120, but not limited thereto.

Further, referring to fig. 1, a sanitary silicone hose 126 is further disposed at one end of the second pipe 122, the third pipe 123, and the fourth pipe 124, which is connected to the filter 200. Therefore, the filter cleaning system can be conveniently and quickly connected with components such as filters 200 of different models, and is beneficial to improving the applicability of the filter cleaning system 100.

In one embodiment, referring to fig. 1, the drain module 160 further includes a second drain pipe 162 and a third drain pipe 163. The second discharge pipe 162 communicates between the second pipe 122 and the first discharge pipe 161, the third discharge pipe 163 communicates between the fourth pipe 124 and the first discharge pipe 161, and the first discharge pipe 161 is for discharging the contaminated water. Thus, by adding the second discharge pipe 162 and the third discharge pipe 163, the detergent solution remained in the second pipeline 122 and the fourth pipeline 124 can be discharged, which is beneficial to improving the discharging effect and efficiency of the discharging module 160 on the detergent solution in the filter cleaning system 100.

In one embodiment, referring to fig. 1, the exhaust module 160 further has an air partition 167, and the air partition 167 is openably and closably disposed at an end of the first exhaust pipe 161 away from the first outlet 112. Thus, the vacuum can be broken through the air isolation, the liquid at the end of the first discharge pipe 161 is prevented from flowing back into the filter cleaning system 100, and the use reliability of the filter cleaning system 100 is improved.

In one embodiment, referring to fig. 1, the first drain pipe 161 is provided with a conductivity detector 165, the conductivity detector 165 is in communication with the first drain pipe 161, and the conductivity detector 165 is used for detecting the conductivity of the liquid in the first drain pipe 161. Therefore, the conductivity detector 165 detects the conductivity of the liquid in the first discharge pipe 161 to determine whether the liquid reaches a set value, so as to automatically determine the cleaning effect of the filter 200, when the liquid is qualified, the cleaning is stopped, and when the liquid is unqualified, the machine performs tangential washing, forward washing and backwashing processes on the filter 200 until the detection data of the conductivity detector 165 is qualified, which is beneficial to improving the cleaning quality of the filter cleaning system 100.

In one embodiment, referring to fig. 1, the first discharge pipe 161 is provided with a single-end sterile sampling valve 166, the single-end sterile sampling valve 166 is in open-close communication with the first discharge pipe 161, and the single-end sterile sampling valve 166 is used for sampling the liquid in the first discharge pipe 161. In this way, the solution in the first drain pipe 161 is conveniently sampled, thereby facilitating off-line detection of relevant data for the solution.

In one embodiment, referring to fig. 1, the cleaning agent module 130 includes a cleaning agent barrel 131 and a metering pump 132. The cleaning agent barrel 131 is communicated with the first pipeline 121, and the metering pump 132 is communicated between the first pipeline 121 and the cleaning agent barrel 131. Specifically, the cleaning agent barrel 131 is a PE barrel. So, measuring pump 132 can the automatic measurement volume of cleaner spun at every turn, realizes automatic ration spray delivery cleaner, is favorable to improving the work efficiency of cleaner module 130. Simultaneously, the cleaner is mostly alkaline material, consequently uses the cleaner bucket 131 of PE material to be able to be corrosion-resistant, is favorable to improving the life of cleaner bucket 131.

Further, referring to fig. 1, the cleaning agent module 130 further includes a float level switch 133. The floating ball type liquid level switch 133 is in control connection with the metering pump 132. When the liquid level in the cleaning agent barrel 131 reaches the preset height, the floating ball type liquid level switch 133 turns on the metering pump 132 to perform the cleaning operation, and when the liquid level is lower than the preset height, the metering pump 132 is turned off and the replenishment of the cleaning solution is prompted. Thus, the automation degree and the working efficiency of the cleaning agent module 130 are improved, and the overall quality and the working reliability of the filter cleaning system 100 are improved.

In one embodiment, referring to fig. 1, the spray ball 113 is disposed inside the cleaning tank module 110, and the spray ball 113 is communicated with the first pipe 121. So, on the one hand, form solution with cleaner and water mixture through the mode that sprays, be favorable to improving the dissolution efficiency of cleaner. On the other hand, after water is introduced, the spraying ball 113 can clean the inner wall of the cleaning tank module 110, which is beneficial to saving water source and improving the cleaning efficiency of the cleaning tank module 110.

In one embodiment, referring to FIG. 1, the wash tank module 110 is further provided with a level gauge 114, the level gauge 114 being used to monitor the level information within the wash tank module 110. Specifically, the fluid level gauge 114 is a differential pressure fluid level gauge 114. Thus, the liquid level of the material in the tank body of the cleaning tank module 110 can be automatically detected by the differential pressure liquid level meter 114, so that automatic control and automatic operation are realized, and the automation degree and the overall working stability of the filter cleaning system 100 are improved.

In one embodiment, referring to FIG. 1, the wash tank module 110 is further provided with a pressure transducer 117, the pressure transducer 117 being used to monitor the pressure within the wash tank module 110. Thus, the pressure in the tank body of the cleaning tank module 110 can be automatically monitored by the pressure transmitter 117, which is favorable for improving the working stability and safety of the filter cleaning system 100.

In one embodiment, referring to fig. 7, 8, 9 and 10, fig. 7 illustrates a first working schematic diagram of the overall CIP cleaning according to an embodiment of the present invention; FIG. 8 illustrates a second working schematic diagram of the overall CIP cleaning according to an embodiment of the present invention; FIG. 9 illustrates a third operational schematic diagram of the overall CIP cleaning in an embodiment of the present invention; fig. 10 shows a fourth operational schematic diagram of the overall CIP cleaning according to an embodiment of the present invention. The water supply module 150 is also capable of performing an integrated CIP cleaning process for the filter cleaning system 100.

CIP is a short term for cleaning in place (clean in place), and is a method for cleaning and sterilizing the surface of an instrument or equipment by applying a strong action to a cleaning device with a cleaning solution at a certain temperature and concentration under a closed condition without disassembling the equipment or the elements. First, in the first step, the valve 115 and related components on the corresponding first pipe 121 in fig. 7 are opened, the water supply module 150 on the top of the cleaning tank module 110, for example, the water supply module 150 is wfi (water for injection) injection water pipe, the injection water is added into the tank body, and the volume of the injection water is monitored by the differential pressure liquid level meter 114. After the injection water is added to the set value, the centrifugal pump 140 is turned on, and the water is discharged from the first outlet 112, flows through the first pipe 121, and enters the wash tank module 110 from the first inlet 111, to perform the circulation washing of the wash tank module 110. After the set time for cleaning (the time can be set by the touch screen), the discharge module 160 is started to discharge the sewage through the first discharge pipe 161, and the conductivity detector 165 detects whether the conductivity reaches the set value, if so, the next step can be performed, and if not, the above operations are repeated until the sewage is qualified.

In a second step, as shown in fig. 8, the valves 115 and related components of the first pipe 121, the second pipe 122 and the fourth pipe 124 are opened, the injection water is added into the wash tank module 110 by opening the water supply module 150 (i.e., WFI injection water line) at the top of the wash tank module 110, the volume is monitored by the differential pressure level gauge 114, after the injection water is added to a set value, the centrifugal pump 140 is turned on, the first pipe 121, the second pipe 122 and the fourth pipe 124 are cleaned in a circulating way, after a set time for cleaning (the time can be set through a touch screen), the relevant valve 115 and components of the discharge module 160 are opened to discharge the sewage in the cleaning tank, whether the conductivity reaches a set value (the value is set through the touch screen) is detected through the conductivity detector 165, if the product is qualified, the next step can be carried out, and if the product is not qualified, the operation is repeated until the product is qualified.

Third, as shown in fig. 9, the valves 115 and related components of the first, second and third pipes 121, 122 and 123 are opened, and water for injection is added into the wash tank module 110 by opening the water supply module 150 (i.e., WFI injection water line) on the top of the wash tank module 110, and the volume is monitored by the differential pressure level meter 114. After the injection water is added to the set value, the centrifugal pump 140 is started, the first pipeline 121, the second pipeline 122 and the third pipeline 123 are circularly cleaned, after the cleaning is performed for the set time (the time can be set through the touch screen), the first discharge pipe 161 and related parts of the discharge module 160 are started to discharge, whether the conductivity of the discharged wastewater reaches the set value is detected through the conductivity detector 165, if the wastewater is qualified, the next step can be performed, and if the wastewater is not qualified, the operation is repeated until the wastewater is qualified.

In a fourth step, as shown in fig. 10, the first, fifth and fourth pipes 121, 125 and 124 are opened, the water supply module 150 (i.e., WFI injection water pipe) on the top of the wash tank module 110 is opened, and injection water is added into the wash tank module 110, and the volume is monitored by the differential pressure level meter 114. After the injection water is added to the set value, the centrifugal pump 140 is started, the first pipeline 121, the fifth pipeline 125 and the fourth pipeline 124 are circularly cleaned, after the cleaning is performed for a set time (the time can be set through a touch screen), the first discharge pipe 161 and related parts of the discharge module 160 are started to discharge, whether the conductivity of the discharged wastewater reaches the set value is detected through the conductivity detector 165, if the wastewater is qualified, the next step can be performed, and if the wastewater is not qualified, the operation is repeated until the wastewater is qualified.

And (4) after the steps are qualified, carrying out the next operation. The cleaning effect and the cleaning time can be recorded in the PLC control system, and data can be traced and backed up. In this way, it is beneficial to ensure the cleanness of the internal environment of the filter cleaning system 100, and further to improve the cleaning quality of the filter 200.

In one embodiment, referring to FIG. 1, the wash tank module 110 is further provided with a pH probe 116, the pH probe 116 is connected between the wash tank module 110 and the wash tank 131, and the pH probe 116 is used to monitor the pH inside the wash tank module 110. Thus, whether the cleaning agent solution is mixed in the cleaning tank module 110 can be automatically monitored, which is beneficial to ensuring the cleaning quality of the filter cleaning system 100.

In one embodiment, referring to fig. 1, the filter cleaning system 100 further includes a pure steam module 170. The Pure Steam module 170 includes a Pure Steam member 171, for example, the Pure Steam member 171 is a PS module (Pure Steam), the Pure Steam member 171 is communicated with the first inlet 111, and the Pure Steam member 171 is used for introducing Pure Steam above 121 ℃ to the filter cleaning system 100. In this way, after the filter 200 is cleaned, the entire SIP sterilization process for the inside of the system can be performed by the pure steam module 170. In particular, the preset temperature of the pure steam is 121 ℃.

Further, referring to fig. 1, the exhaust module 160 further includes a fourth exhaust pipe 164, one end of the fourth exhaust pipe 164 is communicated with the pure steam module 170, the other end of the fourth exhaust pipe 164 is used for exhausting pure steam condensate, and the first exhaust pipe 161 and the second exhaust pipe 162 are both communicated with the fourth exhaust pipe 164. So, when whole SIP sterilization, fourth discharge pipe 164 can discharge pure steam condensate, guarantees that the pressure in sterilization effect and the system is normal.

SIP sterilization is known as Sanitize in Place, sterilization in situ or online (in situ), and is used in the pharmaceutical industry for online sterilization of piping systems. In the present embodiment, please refer to fig. 11, 12, 13 and 14, fig. 11 shows a first working principle diagram of the whole SIP sterilization according to an embodiment of the present invention; FIG. 12 illustrates a second operational schematic diagram of bulk SIP sterilization in accordance with an embodiment of the present invention; fig. 13 shows a third working schematic diagram of the whole SIP sterilization according to an embodiment of the invention; fig. 14 shows a fourth working principle diagram of the overall SIP sterilization according to an embodiment of the present invention, and the SIP sterilization process of the pure steam module 170 to the inside of the system is as follows:

and (3) opening related valves 115 and components, communicating the pure steam module 170 with the first inlet 111, opening the valves 115 and components on related pipelines on fig. 11, 12, 13 and 14, namely a first pipeline 121, a second pipeline 122, a first discharge pipe 161, a second discharge pipe 162, a fourth discharge pipe 164, a third pipeline 123, a fourth pipeline 124 and a fifth pipeline 125, and opening and timing for 30min when all temperature transmitters 172 in the system reach a preset temperature, for example 121 ℃. When the time is up, the pure steam is stopped to be introduced, the condensed water is discharged from the fourth discharge pipe 164, and the whole SIP sterilization process is finished. If the temperature of one of the temperature transmitters 172 does not reach 121 ℃ in the sterilization process, the timing is stopped, and the timing is continued after the temperature rises to 121 ℃ again. So, through whole SIP sterilization process, be favorable to disinfecting to system inside, guarantee the reliability of production.

In one embodiment, referring to fig. 1, the pure steam module 170 further includes more than two temperature transmitters 172, the two temperature transmitters 172 are respectively connected to the first exhaust pipe 161 and the second exhaust pipe 162, and further, the fourth exhaust pipe 164 is connected to the temperature transmitter 172. The temperature transmitter 172 is used to detect the temperature in the first exhaust pipe 161 and in the second exhaust pipe 162. So, when pure steam module 170 carries out steam cleaning to system inside, temperature transmitter 172 can real time monitoring pipeline in the temperature whether reach and predetermine the temperature, if 121 ℃, monitor whole sterilization effect, and then be favorable to improving filter cleaning system 100's work safety and use reliability.

In one embodiment, referring to fig. 1, the filter cleaning system 100 further includes a compressed air module 180 and an air filter 181, the compressed air module 180 is in communication with the first inlet 111, and the air filter 181 is in communication between the compressed air module 180 and the first inlet 111. In this way, the compressed air module 180 can perform the entire purging process for the inside of the system.

In one embodiment, referring to fig. 1, the filter cleaning system 100 further includes an air heater 182, the air heater 182 is connected between the compressed air module 180 and the air filter 181, and the air heater 182 is used for heating air.

Referring to fig. 15, 16, 17 and 18, fig. 15 is a first schematic diagram illustrating the operation of the bulk purge according to an embodiment of the present invention; FIG. 16 illustrates a second operational schematic diagram of an integrated purge in accordance with an embodiment of the present invention; FIG. 17 illustrates a third operational schematic diagram of an integrated purge in accordance with an embodiment of the present invention; FIG. 18 illustrates a fourth operational schematic of the integrated purge described in one embodiment of the present disclosure. The overall purging process comprises the following steps: the compressed air pipeline of the compressed air module 180 and the air heater 182 connected with the compressed air pipeline are communicated with the first inlet 111, cold air is heated to a set value (the set value can be adjusted and set on the air heater 182), the heated compressed air is introduced into the whole system by opening the related valve 115, the pipeline, the valve 115 and the related components which are bold in figures 15, 16, 17 and 18 are opened, specifically, the first discharge pipe 161, the first pipeline 121, the second discharge pipe 162, the third pipeline 123, the fourth pipeline 124, the fifth pipeline 125 and the third discharge pipe 163 are purged to a set time, the time is set by the PLC control system (the empirical setting is 5-8 min), and the purging is finished after the time is reached. So, can sweep the pipeline in the system, weather remaining moisture, and then guarantee the inside cleanness of system, improve filter cleaning system 100's whole quality.

In one embodiment, referring to fig. 1, the compressed air module 180 further comprises a diaphragm pressure gauge 183. The diaphragm pressure gauge 183 communicates with the air filter 181. The diaphragm pressure gauge 183 is used to detect the pressure of the wash tank module 110. Thus, the pressure inside the cleaning tank module 110 can be visually observed by the diaphragm pressure gauge 183, and the use safety of the filter cleaning system 100 is improved.

In one embodiment, the filter cleaning system 100 further includes a control module (not shown) for controlling the automatic operation, start-stop, and storage of data for the filter cleaning system 100. Specifically, the control module comprises an electric control cabinet, a PLC and a touch screen. So, can show the operating condition of each part through the touch-sensitive screen, the cleaning data, the sterilization data, sweep the data, the temperature data, the pressure data, the conductivity, the process state, process duration etc. the staff can operate the start-up, the operation and the stop of each module of touch-sensitive screen control, and can store temperature data, the pressure data, process time-consuming data etc. realize the inquiry of data, print, the record can be traceed back, and then improve the use reliability and the convenience of filter cleaning system 100, promote filter cleaning system 100's use quality.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A filter cleaning system, comprising:

a wash tank module having a first inlet and a first outlet;

the pipeline module comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, wherein two ends of the first pipeline are respectively communicated with the first inlet and the first outlet, one end of the second pipeline is communicated with the first outlet, the other end of the second pipeline is used for being communicated with the second inlet of the filter, one end of the third pipeline is communicated with a pressure gauge port of the filter, the other end of the third pipeline is communicated with the first inlet, one end of the fourth pipeline is used for being communicated with the second outlet of the filter, the other end of the fourth pipeline is communicated with the first inlet, and two ends of the fifth pipeline are respectively communicated with the first pipeline and the fourth pipeline;

the cleaning agent module is communicated with the first pipeline and is used for providing cleaning agent for the cleaning tank module;

the centrifugal pump is arranged on the first pipeline and is communicated between the cleaning agent module and the second pipeline;

the water supply module is communicated with the first inlet and is used for supplying water to the cleaning tank module;

the emission module comprises a first emission pipe, the first emission pipe is communicated with the first pipeline, the first emission pipe is used for emitting sewage, and a valve is arranged at the joint of each component and the pipeline, the pipeline and the pipeline.

2. The filter cleaning system of claim 1, wherein the drain module further comprises a second drain pipe and a third drain pipe, the second drain pipe communicating between the second conduit and the first drain pipe, the third drain pipe communicating between the fourth conduit and the first drain pipe, the first drain pipe for draining contaminated water.

3. The filter cleaning system of claim 2, further comprising a pure steam module comprising a pure steam piece in communication with the first inlet, the pure steam piece configured to pass pure steam above 121 ℃ to the filter cleaning system.

4. The filter cleaning system according to claim 3, wherein the pure steam module further comprises more than two temperature transmitters, the two temperature transmitters are respectively communicated with the first exhaust pipe and the second exhaust pipe, and the temperature transmitters are used for detecting the temperature in the first exhaust pipe and the temperature in the second exhaust pipe.

5. The filter cleaning system of claim 2, wherein the first drain line is provided with a conductivity detector in communication with the first drain line, the conductivity detector being configured to detect conductivity of the liquid in the first drain line; and/or the presence of a gas in the gas,

the first discharge pipe is provided with a single-end sterile sampling valve, the single-end sterile sampling valve is communicated with the first discharge pipe in an opening and closing mode, and the single-end sterile sampling valve is used for sampling liquid in the first discharge pipe.

6. The filter cleaning system of claim 1, wherein the cleaning agent module comprises a cleaning agent barrel in communication with the first conduit and a metering pump in communication between the first conduit and the cleaning agent barrel.

7. The filter cleaning system according to claim 1, wherein the cleaning tank module is provided with a spray ball inside, the spray ball communicating with the first pipe.

8. The filter cleaning system of claim 1, wherein the cleaning tank module is further provided with a liquid level meter for monitoring liquid level information within the cleaning tank module.

9. The filter cleaning system of claim 1, further comprising a compressed air module in communication with the first inlet and an air filter in communication between the compressed air module and the first inlet.

10. The filter cleaning system of claim 9, further comprising an air heater in communication between the compressed air module and the air filter, the air heater for heating air.

Images