CN211133207U - Online integrity detection system applied to liquid filter element of liquid preparation system - Google Patents
Online integrity detection system applied to liquid filter element of liquid preparation system Download PDFInfo
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- CN211133207U CN211133207U CN201921844917.4U CN201921844917U CN211133207U CN 211133207 U CN211133207 U CN 211133207U CN 201921844917 U CN201921844917 U CN 201921844917U CN 211133207 U CN211133207 U CN 211133207U
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Abstract
The utility model discloses an online integrity detection system of a liquid filter element applied to a liquid preparation system, which comprises a liquid filter, an integrity detector, a gas filter, a first pipeline, a second pipeline and a third pipeline, wherein a first inlet of the liquid filter is connected with a liquid medicine source and a steam source through the first pipeline; a second inlet of the liquid filter is communicated with the integrity detector through a second pipeline, the front end of the integrity detector is connected with a test gas source, and the gas filter is arranged on the second pipeline between the liquid filter and the integrity detector; the outlet of the liquid filter is connected with the liquid medicine output port through a third pipeline; and switch valves for controlling the connection of the first pipeline and the liquid medicine source and the connection of the first pipeline and the steam source, and the second pipeline and the third pipeline are arranged on the first pipeline and the second pipeline. The utility model provides a detecting system can filter the gas that tests to guarantee the aseptic nature of liquid filter core, avoided causing secondary pollution to the filter core that has disinfected.
Description
Technical Field
The utility model relates to a filter insert integrality detects technical field, more specifically relates to a liquid filter insert online integrality detecting system.
Background
Integrity testing is an essential means for sterilization grade filtration processes to ensure the safety of the filtration process. Through integrity testing, the integrity and proper installation of the filter itself can be determined. Meanwhile, the integrity test is also a requirement of regulations and audits in various countries.
When the traditional filter element on-line integrity is detected, effective on-line sterilization can not be carried out, and the filter is directly connected with the integrity detector for testing, so that after the filter element needs to be sterilized, when the integrity is tested before use, the tested gas directly enters the filter element to be tested through the integrity detector, and the sterility of the filter element can not be guaranteed. Therefore, there is a need for an improved prior art detection system.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a be applied to online integrality detecting system of liquid filter core of joining in marriage liquid system to solve the problem that exists among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an online integrity detection system for a liquid filter element applied to a liquid preparation system comprises a liquid filter, an integrity detector, a gas filter, a first pipeline, a second pipeline and a third pipeline, wherein a first inlet of the liquid filter is connected with a liquid medicine source and a steam source through the first pipeline; a second inlet of the liquid filter is communicated with the integrity detector through a second pipeline, the front end of the integrity detector is connected with a test gas source, and the gas filter is arranged on the second pipeline between the liquid filter and the integrity detector; the outlet of the liquid filter is connected with a liquid medicine output port through a third pipeline; and switch valves for controlling the connection of the first pipeline and the liquid medicine source and the connection of the first pipeline and the steam source, and the second pipeline and the third pipeline are arranged on the first pipeline and the second pipeline.
Preferably, the device also comprises a collecting tank, a fourth pipeline and a discharge main pipe, wherein one end of the fourth pipeline is connected with the third pipeline, the connection position of the fourth pipeline is positioned between the liquid filter and a switch valve on the third pipeline, the other end of the fourth pipeline is connected with the collecting tank, and the bottom of the collecting tank is communicated with the discharge main pipe; and switch valves for controlling the on-off of the collecting tank and the discharge main pipe are arranged on the pipeline between the collecting tank and the discharge main pipe and on the fourth pipeline.
Preferably, a liquid level sensor is mounted on the collecting tank and used for measuring the height of the liquid level in the collecting tank.
Preferably, the air outlet of the collecting tank is connected with a respirator, and the outlet of the respirator is provided with a switch valve for controlling the on-off of the respirator and the outside.
Preferably, the steam-water separator further comprises a main drain pipe and a branch drain pipe connected with the main drain pipe, the branch drain pipes are arranged on a first pipe between the steam source and the liquid filter, a second pipe between the integrity detector and the liquid filter, and a pipe between the collecting tank and the main drain pipe, and are provided with drain valves.
Preferably, a three-way valve is arranged on a pipeline between the collecting tank and the discharge main pipe, a water inlet end of the three-way valve is communicated with the collecting tank, a water outlet end of the three-way valve is connected to the discharge main pipe, and the other water outlet end of the three-way valve is connected to the drainage main pipe through the drainage branch pipe.
Preferably, the first pipeline and the second pipeline are provided with pressure sensors for detecting the front-back pressure difference of the liquid filter element; and the integrity detector and the drainage branch pipe between the liquid filters and on the pipeline connecting the collecting tank and the discharge header pipe are respectively provided with a temperature sensor for measuring the temperature of the cold spot in real time.
Preferably, the switch valve on the second pipeline between the integrity detector and the gas filter is a manual diaphragm valve.
Preferably, the first inlet of the liquid filter is further connected to a compressed air source through the first pipeline.
The beneficial effects of the utility model reside in that:
a gas filter is added between the liquid filter needing integrity test and the integrity detector to filter the gas to be tested, so that the sterility of the filter element of the liquid filter is ensured, and the secondary pollution to the sterilized filter element is avoided; in addition, the utility model collects the liquid wetting the filter core of the liquid filter by adding a collecting tank at the downstream of the liquid filter, so as to avoid the secondary pollution of the sterilized filter core caused by the discharge header pipe and ensure the sterility of the downstream of the liquid filter; install level sensor on the collection tank, can monitor the liquid level height in the collection tank often for liquid level height in the jar is in suitable scope, in order to realize utilizing the effect that the liquid that the jar was not drained plays the liquid seal effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1. a first pipeline; 2. a second pipeline; 3. a third pipeline; 4. a fourth pipeline; 5. a gas filter; 6. a liquid filter; 7. a respirator; 8. a collection tank; 9. a discharge header pipe; 10. a drain header pipe; 11. a drain branch pipe; 12. a liquid level sensor; f1, a first pneumatic diaphragm valve; f2, a second pneumatic diaphragm valve; f3, third pneumatic diaphragm valve; f4, a fourth pneumatic diaphragm valve; f5, a fifth pneumatic diaphragm valve; f6, sixth pneumatic diaphragm valve; f7, a seventh pneumatic diaphragm valve; f8, pneumatic ball valve; f9, ninth pneumatic diaphragm valve; f10, tenth pneumatic diaphragm valve; f11, eleventh pneumatic diaphragm valve; f12, twelfth pneumatic diaphragm valve; f13, thirteenth pneumatic diaphragm valve; D. a manual diaphragm valve; p, a pressure sensor; q, a three-way valve; s, a drain valve; t, temperature sensor.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, an online integrity detection system for a liquid filter element applied to a liquid preparation system comprises a liquid filter 6, an integrity detector, a gas filter 5, a first pipeline 1, a second pipeline 2 and a third pipeline 3, wherein a first inlet of the liquid filter 6 is connected with a liquid medicine source and a vapor source through the first pipeline 1; a second inlet of the liquid filter 6 is communicated with the integrity detector through a second pipeline 2, the front end of the integrity detector is connected with a test gas source, and the gas filter 5 is arranged on the second pipeline 2 between the liquid filter 6 and the integrity detector; the outlet of the liquid filter 6 is connected with a liquid medicine output port through a third pipeline 3; and switch valves for controlling the connection of the first pipeline 1 and the liquid medicine source and the steam source, and the second pipeline 2 and the third pipeline 3 are arranged on the first pipeline and the second pipeline.
The second pipeline 2 between the gas filter 5 and the liquid filter 6 is provided with a sixth pneumatic diaphragm valve F6, the connection part of the steam source and the first pipeline 1 is provided with a second pneumatic diaphragm valve F2, the steam source is pure steam in the figure 1, the connection part of the liquid medicine source and the first pipeline 1 is provided with a first pneumatic diaphragm valve F1, the third pipeline 3 close to the liquid medicine output port is provided with a tenth pneumatic diaphragm valve F10, and the pneumatic diaphragm valves are all in signal connection with P L C (not shown) and used for controlling the connection and disconnection of the pipelines in which the pneumatic diaphragm valves are located.
In the embodiment, the gas filter 5 is additionally arranged between the liquid filter 6 which needs to be subjected to the integrity test and the integrity detector, so that the gas to be tested is filtered, the sterility of the filter element of the liquid filter 6 is ensured, and the secondary pollution to the sterilized filter element is avoided.
With continued reference to fig. 1, the present invention further comprises a collection tank 8, a fourth pipeline 4 and a discharge manifold 9, wherein one end of the fourth pipeline 4 is connected with the third pipeline 3, the connection position of the fourth pipeline is located between the liquid filter 6 and a tenth pneumatic diaphragm valve F10, the other end of the fourth pipeline 4 is connected with the collection tank 8, the bottom of the collection tank 8 is communicated with the discharge manifold 9, the pipeline between the collection tank 8 and the discharge manifold 9 and the fourth pipeline 4 are provided with on-off valves for on-off control, specifically, the fourth pipeline 4 near the third pipeline 3 side is provided with a ninth pneumatic diaphragm valve F9, the fourth pipeline 4 near the collection tank 8 side is provided with a twelfth pneumatic diaphragm valve F12, the bottom of the collection tank 8, namely, the pipeline where the collection tank liquid outlet is connected with the discharge manifold 9 is provided with a thirteenth pneumatic diaphragm valve F34, the pneumatic diaphragm valves are also connected with a 39p L C signal for on-off control, the on-off control of the pipeline, the collection tank liquid diaphragm valve is arranged downstream of the liquid filter 6, the collection tank is provided with a wet diaphragm valve for wetting filter 6, the filter cartridge is manufactured by simple process, and the filter cartridge is designed to avoid contamination of the filter cartridge 3 or the filter cartridge by simple process for sterilization, and the filter cartridge is designed as a filter cartridge 465.
In the embodiment, the collecting tank 8 is provided with a liquid level sensor 12 for measuring the height of the liquid level in the collecting tank 8, the liquid level sensor 12 is in signal connection with P L C, when the liquid level in the collecting tank 8 is detected to be too high and the filter element of the liquid filter 6 is not completely wetted, the liquid level sensor 12 transmits a signal to P L C, the P L C can control to open a thirteenth pneumatic diaphragm valve F13 for discharging, and the liquid which is not completely discharged in the tank is used for sealing the liquid and is isolated from the discharge header pipe 9. in addition, a breather 7 is connected to the air outlet of the collecting tank 8, a switch valve for controlling the on-off of the breather 7 and the outside is arranged at the outlet of the breather 7, the switch valve is a pneumatic ball valve F8, an eleventh pneumatic diaphragm valve F11 is arranged on a pipeline between the breather 7 and the collecting tank 8 for controlling the space between the breather 7 and the collecting tank 8, and the on-off breather 7 is arranged for balancing the pressure inside and outside of the collecting tank 8 and filtering the air entering the collecting tank 8 for ensuring the.
As a further improvement of this embodiment, the system further includes a main drain pipe 10 and a branch drain pipe 11 connected to the main drain pipe, the branch drain pipes 11 are respectively disposed on the first pipeline 1 between the vapor source and the liquid filter 6, the second pipeline 2 between the integrity detector and the liquid filter 6, and the pipeline connecting the collection tank 8 and the main drain pipe 9, and the branch drain pipes 11 are respectively provided with a drain valve S; a three-way valve Q is arranged on a pipeline between the collecting tank 8 and the discharge main pipe 9, the water inlet end of the three-way valve Q is communicated with the collecting tank 8, the water outlet end of the three-way valve Q is connected to the discharge main pipe 9, and the other water outlet end of the three-way valve Q is connected to the drainage main pipe 10 through the drainage branch pipe 11.
Specifically, the drain branch pipe 11 of the first pipeline 1 is arranged on one side close to the liquid filter 6, and a seventh pneumatic diaphragm valve F7 is arranged on the drain branch pipe; the water draining branch pipes 11 on the second pipeline 2 are respectively arranged at the front end and the rear end of the gas filter 5, and a fourth pneumatic diaphragm valve F4 and a fifth pneumatic diaphragm valve F5 are respectively arranged on the water draining branch pipes; in addition, a drain branch 11 is also connected to the outlet of the respirator 7, and is also connected to the drain header 10, and a drain valve S is mounted thereon. The arrangement of the drain main pipe 10, the drain branch pipe 11 and the drain valve S can be used for draining condensed water, air and other non-condensable gases when the detection system carries out online sterilization, and the detection system can prevent steam leakage and improve safety performance.
Referring again to fig. 1, the first pipeline 1 and the second pipeline 2 are provided with pressure sensors P for detecting a front-back pressure difference of the filter element of the liquid filter 6; and temperature sensors T are arranged on the drainage branch pipes 11 between the integrity detector and the liquid filter 6 and on the drainage branch pipes 11 on the pipelines connecting the collecting tank 8 and the discharge header pipe 10 and used for measuring the temperature of the cold spot in real time.
Furthermore, the first inlet of the liquid filter 6 is further connected with a compressed air source through the first pipeline 1, and a switch valve, namely a third pneumatic diaphragm valve F3, is arranged at the connection position of the compressed air source and is also in signal connection with the P L C, so that the compressed air source can be used for rapidly cooling the whole detection system after the system is subjected to online high-temperature steam sterilization and before a filter element of the liquid filter 6 is wetted, and the detection efficiency is improved.
Specifically, the detection method of the online integrity detection system provided by this embodiment is as follows:
s1, online cleaning of a collecting tank: opening one end of the first pneumatic diaphragm valve F1, the ninth pneumatic diaphragm valve F9, the twelfth pneumatic diaphragm valve F12, the thirteenth pneumatic diaphragm valve F13 and one end of the three-way valve Q which are communicated with the discharge header pipe 9, carrying out online cleaning on the collecting tank D, and discharging the cleaned waste liquid to the discharge header pipe 9 through the thirteenth pneumatic diaphragm valve F13 and the three-way valve Q;
s2, online sterilization of the collection tank and the filter element: opening one ends of a second pneumatic diaphragm valve F2, a fourth pneumatic diaphragm valve F4, a fifth pneumatic diaphragm valve F5, a sixth pneumatic diaphragm valve F6, a seventh pneumatic diaphragm valve F7, a ninth pneumatic diaphragm valve F9, an eleventh pneumatic diaphragm valve F11, a twelfth pneumatic diaphragm valve F12, a third pneumatic diaphragm valve F13 and a three-way valve Q which are connected with a drain branch 11, closing a manual valve D, a first pneumatic diaphragm valve F1, a third pneumatic diaphragm valve F3, a tenth pneumatic diaphragm valve F10 and a pneumatic ball valve F8, draining pure steam through the drain branch 11 and a drain valve S on a first pipeline 1, and then leading the pure steam to each component needing sterilization, including a filter element of a liquid filter 6, a collection tank 8 and the like; the pressure sensor P is used for detecting the pressure difference between the front and the back of the filter element of the liquid filter 6, the temperature sensor T is used for detecting the cold spot temperature in real time, and the temperature is kept for 30min under the condition that the readings of the two temperature sensors are not less than 121 ℃, so that the sterilization is finished; if the temperature drops or the pressure difference between the front and the rear of the filter is more than or equal to 0.5bar in the process, timing again;
s3, a liquid filter element wetting stage, wherein before wetting, a sixth pneumatic diaphragm valve F6 and a fourth pneumatic diaphragm valve F4 are opened to discharge gas in a filter shell of the filter, then the gas is closed, when wetting starts, the first pneumatic diaphragm valve F1, a ninth pneumatic diaphragm valve F9 and a twelfth pneumatic diaphragm valve F12 are opened, wetting media reach a collecting tank D after passing through a liquid filter 6 filter element, when a liquid level sensor 12 senses that the liquid level in the tank is too high, a signal is fed back to a P L C, a program controls the water discharging side of a thirteenth pneumatic diaphragm valve F13 and a three-way ball valve Q, namely the side communicated with a discharging header pipe 9 to be opened, the collecting tank 8 is discharged, but a small amount of liquid level in the tank is always kept in the process to form liquid seal, waste liquid in the discharging header pipe 9 is prevented from flowing backwards to pollute a system until the filter element is fully wetted, and an eleventh pneumatic diaphragm valve F11 and a pneumatic diaphragm valve F8 are always opened in the process to ensure that external pressure in the tank is balanced;
s4, testing: the integrity tester is connected well, the manual diaphragm valve D is opened, the sixth pneumatic diaphragm valve F6, the ninth pneumatic diaphragm valve F9 and the twelfth pneumatic diaphragm valve F12 are opened (the eleventh pneumatic diaphragm valve F11 and the pneumatic ball valve F8 are always opened in the process, the balance of the internal pressure and the external pressure in the tank is ensured), the test gas passes through the gas filter 5 and the sixth pneumatic diaphragm valve F6 to the filter element of the liquid filter 6, and at the moment, a small amount of wetting liquid precipitated in the filter element and the pipeline of the liquid filter 6 by the test is discharged to the collection tank 8 through the ninth pneumatic diaphragm valve F9 and the twelfth pneumatic diaphragm valve F12.
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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The online integrity detection system for the liquid filter element of the liquid preparation system is characterized by comprising a liquid filter (6), an integrity detector, a gas filter (5), a first pipeline (1), a second pipeline (2) and a third pipeline (3), wherein a first inlet of the liquid filter (6) is connected with a liquid medicine source and a steam source through the first pipeline (1); a second inlet of the liquid filter (6) is communicated with the integrity detector through a second pipeline (2), the front end of the integrity detector is connected with a test gas source, and the gas filter (5) is installed on the second pipeline (2) between the liquid filter (6) and the integrity detector; the outlet of the liquid filter (6) is connected with a liquid medicine output port through a third pipeline (3); and switch valves for controlling the connection of the first pipeline (1) and the liquid medicine source and the steam source, and the second pipeline (2) and the third pipeline (3) are arranged on the first pipeline and the second pipeline.
2. The liquid filter cartridge online integrity detection system of claim 1, further comprising a collection tank (8), a fourth pipeline (4) and a discharge header (9), wherein one end of the fourth pipeline (4) is connected with the third pipeline (3) and the connection position is between the liquid filter (6) and the on-off valve on the third pipeline (3), the other end of the fourth pipeline (4) is connected with the collection tank (8), and the bottom of the collection tank (8) is communicated with the discharge header (9); and switch valves for controlling the on-off of the pipeline between the collecting tank (8) and the discharge main pipe (9) and the fourth pipeline (4) are arranged on the pipeline.
3. The liquid filter cartridge in-line integrity testing system of claim 2, wherein a level sensor (12) is mounted on the collection tank (8) for measuring a level of liquid in the collection tank (8).
4. The liquid filter cartridge online integrity detection system according to claim 2, wherein the air outlet of the collection tank (8) is connected with a breather (7), and an opening and closing valve for controlling the breather (7) to be opened and closed with the outside is arranged at the outlet of the breather (7).
5. The online integrity detection system for liquid filter cartridges according to claim 2, further comprising a main drain pipe (10) and a branch drain pipe (11) connected thereto, wherein the branch drain pipe (11) is disposed on the first pipeline (1) between the vapor source and the liquid filter (6), the second pipeline (2) between the integrity detector and the liquid filter (6), and the pipeline connecting the collection tank (8) and the main drain pipe (9), and the branch drain pipe (11) is disposed with a drain valve (S).
6. The liquid filter cartridge online integrity detection system according to claim 5, wherein a three-way valve (Q) is disposed on the pipeline between the collection tank (8) and the discharge header pipe (9), the three-way valve (Q) has a water inlet end communicated with the collection tank (8), a water outlet end connected to the discharge header pipe (9), and another water outlet end connected to the drain header pipe (10) through the drain branch pipe (11).
7. The liquid filter cartridge on-line integrity testing system of claim 2, wherein said first (1) and second (2) lines are provided with pressure sensors (P) for detecting a pressure differential across the liquid filter (6) cartridge; the integrity detector and the drainage branch pipe (11) between the liquid filters (6) and on the pipeline connecting the collecting tank (8) and the discharge header pipe (9) are provided with temperature sensors (T) for measuring the temperature of the cold spot in real time.
8. The liquid filter cartridge online integrity testing system according to claim 1, wherein the on-off valve on the second line (2) between the integrity tester and the gas filter (5) is a manual diaphragm valve (D).
9. The liquid filter cartridge on-line integrity testing system of claim 1, wherein the first inlet of the liquid filter (6) is further connected to a source of compressed air via the first conduit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921844917.4U CN211133207U (en) | 2019-10-30 | 2019-10-30 | Online integrity detection system applied to liquid filter element of liquid preparation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921844917.4U CN211133207U (en) | 2019-10-30 | 2019-10-30 | Online integrity detection system applied to liquid filter element of liquid preparation system |
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| CN211133207U true CN211133207U (en) | 2020-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235660A (en) * | 2021-11-18 | 2022-03-25 | 中广核研究院有限公司 | Filter core integrality and gas permeability capability test device |
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2019
- 2019-10-30 CN CN201921844917.4U patent/CN211133207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235660A (en) * | 2021-11-18 | 2022-03-25 | 中广核研究院有限公司 | Filter core integrality and gas permeability capability test device |
| CN114235660B (en) * | 2021-11-18 | 2023-08-25 | 中广核研究院有限公司 | Filter element integrality and air permeability performance testing device |
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