Online sterilization device for single-port sampling valve

Abstract

The utility model relates to the technical field of sterilization, and provides an online sterilization device for a single-port sampling valve, which comprises a valve body, one end of the valve body is arranged on a sample container, the valve body is provided with a one-way inlet and a first outlet, and the one-way inlet is communicated with the sample container; the first valve is arranged at the inlet and used for opening or closing the inlet; the second valve is arranged at the first outlet and used for opening or closing the first outlet; the connecting piece is arranged at the second valve and used for being connected with the steam trap, and the steam trap is used for discharging condensed water vapor in the valve body. According to the technical scheme, the problem that a single-port sampling valve in the prior art is inconvenient to sterilize is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sterilization, and more specifically, to an on-line sterilization device for a single-port sampling valve. Background Art

[0002] A single-port sampling valve is a valve device specifically designed to extract samples of fluid media, and is usually applied in industrial fields that require chemical analysis, quality control or detection of fluids, such as chemical industry, pharmaceuticals, food and beverage, water treatment, etc. It has the characteristics of preventing medium leakage and safe sampling, and can minimize the pollution of the sample by the external environment during the sampling process. When replacing the medium in the tank, it is necessary to sterilize the tank and the single-port sampling valve first to avoid affecting the next detection.

[0003] In the prior art, the single-port sampling valve is usually sterilized by high-temperature steam. However, during the sterilization process, the single-port sampling valve usually needs to be removed from the tank, and then the single-port sampling valve is placed in a high-temperature disinfection box for sterilization. Or a sampling valve with two inlets is used, one inlet for liquid sampling and the other inlet for introducing high-temperature steam for sterilization. Although the above two methods can both achieve the sterilization of the single-port sampling valve, whether the single-port sampling valve is removed or the double-inlet sampling valve is sterilized online, they both belong to the separate sterilization of the sampling valve and the tank, and there is still the problem of inconvenient sterilization. Summary of the Utility Model

[0004] The utility model provides an on-line sterilization device for a single-port sampling valve, which solves the problem of inconvenient sterilization of the sampling valve in the related art.

[0005] The technical solution of the utility model is as follows:

[0006] An on-line sterilization device for a single-port sampling valve, comprising:

[0007] A valve body, one end of which is arranged on a sample container. The valve body has a one-way inlet and a first outlet, and the one-way inlet is communicated with the sample container;

[0008] A first valve, arranged at the inlet, and the first valve is used to open or close the inlet;

[0009] A second valve, arranged at the first outlet, and the second valve is used to open or close the first outlet;

[0010] A connector, arranged at the second valve, and the connector is used to connect a steam trap, and the steam trap is used to discharge the condensed water vapor in the valve body.

[0011] Optionally, it further comprises:

[0012] A concentric reducer is provided between the steam trap and the connector. The large-diameter end of the concentric reducer is closer to the first outlet than the small-diameter end of the concentric reducer.

[0013] Optionally, it further includes:

[0014] A tee, having a first end, a second end and a third end that are interconnected. The first end is connected to the connector, and the second end is connected to the large-diameter end of the concentric reducer;

[0015] A temperature sensor is provided at the third end. The temperature sensor is used to detect the temperature of the high-temperature steam passing through the tee.

[0016] Optionally, it further includes:

[0017] A hose, one end of which is detachably connected to the connector, and the other end is provided at the first end. The first end is communicated with the connector through the hose.

[0018] Optionally, the second valve is a manual diaphragm valve.

[0019] Optionally, the connector includes:

[0020] A main body, which has a through space;

[0021] A first connecting portion is provided at one end of the main body. The first connecting portion is used to connect the manual diaphragm valve;

[0022] A fixed pipe, one end of which is provided at the other end of the main body. The fixed pipe is communicated with the through space, and the other end of the fixed pipe extends into the hose;

[0023] An expansion sleeve is sleeved on the end of the fixed pipe away from the main body. The expansion sleeve has an inlet and an air outlet. After the expansion sleeve expands, the expansion sleeve abuts against the inner wall of the hose.

[0024] The working principle and beneficial effects of the present utility model are:

[0025] In this utility model, the valve body serves as the foundation of the entire device. One end of the valve body is directly connected to the sample container, and its design ensures that the sample can be taken out of the container under control while maintaining a sterile environment inside the container. The one-way inlet is provided to ensure the single flow direction of the sample and avoid backflow contamination. The first valve is located at the inlet, which is a key control point for controlling the switch of the sample entering the sampling system. When not sampling, the first valve remains closed to isolate the outside from the inside of the sample container and prevent contamination. The second valve is set at the first outlet, and it controls whether the sample can further flow to the analytical instrument or other processing equipment after passing through the sampling valve. During sterilization or when not sampling, the second valve is also closed to maintain the system's closure, facilitating sterilization or preventing external contamination. The connector and the steam trap connector are installed at the second valve, through which the sampling system is connected to the steam trap. The function of the steam trap is to promptly remove the condensed water vapor generated due to temperature changes in the system, avoiding the interference of water accumulation on the sampling results or damage to the equipment. The high-temperature water vapor remaining in the valve body can keep the water vapor in the valve body under pressure, which is more conducive to improving the sterilization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The above characteristics, technical features, advantages and their implementation manners of the present utility model will be further described below in a clear and understandable manner in combination with the drawings in the preferred embodiments.

[0027] Figure 1 It is a schematic structural diagram of the present utility model;

[0028] Figure 2 It is a schematic structural diagram of the connector of the present utility model.

[0029] In the figure: 100, valve body; 200, sample container; 110, inlet; 120, first outlet; 300, first valve; 400, second valve; 500, connector; 600, steam trap; 700, concentric reducer; 800, tee; 810, first end; 820, second end; 830, third end; 900, temperature sensor; 1000, hose; 510, main body; 520, first connection part; 530, fixed pipe; 540, expansion sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the specific embodiments of the present utility model will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings and other embodiments can be obtained.

[0031] For the sake of simplicity of the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product as a whole. Additionally, for the sake of simplicity and easy understanding of the drawings, for components with the same structure or function in some figures, only one of them is schematically shown, or only one of them is labeled. In this article, "one" not only means "only this one", but also can mean "more than one" situation, and "several" includes "two" and "more than two".

[0032] In this article, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific situations.

[0033] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0034] Referring to Figures 1 - 2 , this utility model provides an on-line sterilization device for a single-port sampling valve, which includes a valve body 100, one end of which is arranged on a sample container 200. The valve body 100 has a one-way inlet 110 and a first outlet 120, and the one-way inlet 110 communicates with the sample container 200; a first valve 300 is arranged at the inlet 110, and the first valve 300 is used to open or close the inlet 110; a second valve 400 is arranged at the first outlet 120, and the second valve 400 is used to open or close the first outlet 120; a connector 500 is arranged at the second valve 400, and the connector 500 is used to connect a steam trap 600, and the steam trap 600 is used to discharge the condensed water vapor in the valve body 100.

[0035] In this embodiment, the valve body 100 serves as the basis of the entire device. One end of the valve body 100 is directly connected to the sample container 200. Its design ensures that the sample can be taken out of the container under control while maintaining a sterile environment inside the container. The one-way inlet 110 is provided to ensure the singleness of the sample flow direction and avoid backflow pollution. The first valve 300 is located at the inlet 110, which is a key control point for controlling the switch of the sample entering the sampling system. When not sampling, the first valve 300 remains closed to isolate the outside from the inside of the sample container 200 and prevent contamination. The second valve 400 is set at the first outlet 120. It controls whether the sample can further flow to the analytical instrument or other processing equipment after passing through the sampling valve. During sterilization or when not sampling, the second valve 400 is also closed to maintain the system closed for easy sterilization or to prevent external contamination. The connector 500 and the steam trap 600 The connector 500 is installed at the second valve 400 and connects the sampling system to the steam trap 600 through it. The function of the steam trap 600 is to timely remove the condensed water vapor generated due to temperature changes in the system, avoiding the interference of water accumulation on the sampling results or damage to the equipment. And the high-temperature water vapor remaining in the valve body 100 can keep the water vapor in the valve body 100 pressurized, which is more helpful for improving the sterilization effect. Through the sterilization method of this solution, not only the purpose of on-line sterilization is achieved, but also a double-port valve with a steam inlet is not used, thus reducing costs.

[0036] Furthermore, it further includes a concentric reducer 700, which is arranged between the steam trap 600 and the connector 500. The large-diameter end of the concentric reducer 700 is closer to the first outlet 120 than the small-diameter end of the concentric reducer 700.

[0037] In this embodiment, by using the concentric reducer 700, a certain link in the system can be designed with a smaller diameter specification. In this way, even if other parts of the entire system may require a larger pipe diameter to meet the flow or pressure requirements, a smaller-sized and lower-cost steam trap 600 can be selected. Because steam traps 600 are usually priced according to the caliber size, choosing a smaller-caliber steam trap 600 can undoubtedly reduce the purchase cost. The concentric reducer 700 can also adjust the fluid flow to a certain extent, slowing down or accelerating the flow rate, which helps the steam trap 600 to work more effectively. By reasonably designing the reduction ratio, the fluid resistance can be reduced, avoiding excessive pressure drop at the small-diameter end, ensuring the steam trap efficiency while reducing the adverse impact on the overall flow pattern of the system.

[0038] Furthermore, it further includes a tee 800, which has a first end 810, a second end 820 and a third end 830 that are interconnected. The first end 810 is connected to the connector 500, and the second end 820 is connected to the large-diameter end of the concentric reducer 700; a temperature sensor 900 is arranged at the third end 830, and the temperature sensor 900 is used to detect the temperature of the high-temperature steam passing through the tee 800.

[0039] In this embodiment, a tee 800 connecting component is introduced into the system. On the one hand, it maintains the continuity of the main process. On the other hand, it opens up a branch channel dedicated to installing the temperature sensor 900. This design avoids interfering with the main process flow and at the same time enables real-time monitoring of key parameters. Through this branch channel, the temperature sensor 900 directly contacts the steam entering the valve body 100 and monitors its temperature in real time. Accurate temperature measurement can timely feedback the status of the sterilization process, ensure that the sterilization conditions are met, thereby effectively killing microorganisms and meeting the aseptic requirements.

[0040] The data of the temperature sensor 900 can also be fed back to the control system to realize automatic adjustment of the steam supply or the sterilization cycle, ensuring that the temperature during the sterilization process is always within the ideal range. At the same time, if the monitored temperature does not reach the preset value, the system can trigger an alarm or automatically stop the sterilization program to prevent ineffective sterilization or damage to the equipment due to excessive temperature.

[0041] Furthermore, it also includes a hose 1000. One end is detachably connected to the connecting piece 500, and the other end is arranged at the first end 810. The first end 810 is communicated with the connecting piece 500 through the hose 1000.

[0042] In this embodiment, compared with a rigid pipe, the greatest advantage of the hose 1000 lies in its flexibility. This enables the sterilization device to more easily adapt to tanks or containers of different shapes, sizes and positions. Whether it is a straight connection or a complex layout that requires turning or bypassing obstacles, the hose 1000 can flexibly adapt, greatly improving the versatility and application range of the device.

[0043] Furthermore, the second valve 400 is a manual diaphragm valve.

[0044] In this embodiment, the valve body 100 and diaphragm material of the diaphragm valve usually choose materials with strong corrosion resistance. These materials can resist the erosion of various chemical substances, enabling the diaphragm valve to work in a corrosive liquid or a corrosive environment for a long time without being damaged, and extending the service life of the valve.

[0045] The manual diaphragm valve is operated by a handle or a knob, which is simple and intuitive. It does not require complex technical knowledge or tools to quickly open or close, facilitating the operator to control the fluid flow and is suitable as a control element in the sampling system.

[0046] Further, the connecting member 500 includes a main body 510 having a through-space; a first connecting portion 520 is provided at one end of the main body 510, and the first connecting portion 520 is used to connect a manual diaphragm valve; one end of a fixed pipe 530 is provided at the other end of the main body 510, the fixed pipe 530 communicates with the through-space, and the other end of the fixed pipe 530 extends deep into the hose 1000; an expansion sleeve 540 is sleeved on the end of the fixed pipe 530 away from the main body 510, the expansion sleeve 540 has an inlet 110 and an air outlet, and after the expansion sleeve 540 expands, the expansion sleeve 540 abuts against the inner wall of the hose 1000.

[0047] In this embodiment, through the first connecting portion 520, a stable connection between the manual diaphragm valve and the hose 1000 system is achieved. As a key component for controlling fluid flow, the reliable connection of the manual diaphragm valve is crucial for the normal operation of the system. The diameter of the fixed pipe 530 is smaller than the inner diameter of the hose 1000. This design not only facilitates the insertion of the fixed pipe 530 into the hose 1000, but also ensures a more secure connection by extending deep into the hose 1000, avoiding the loosening problem caused by simple external connection.

[0048] When the expansion sleeve 540 is inflated, it forms a tight sealing layer between the fixed pipe 530 and the inner wall of the hose 1000. This not only fixes the position of the fixed pipe 530 to prevent its movement, but also effectively seals any gap between the two, preventing the leakage of water vapor or other fluids. This sealing method is more suitable for systems that require frequent disassembly or operate in a dynamic pressure environment than traditional snap-fastening, threaded connections, etc.

[0049] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A single-port sampling valve online sterilization device, characterized in that: include: A valve body (100), one end of which is arranged on the sample container (200); the valve body (100) has a one-way inlet (110) and a first outlet (120); the one-way inlet (110) is in communication with the sample container (200); A first valve (300) is disposed at the inlet (110), wherein the first valve (300) is used to open or close the inlet (110); A second valve (400) is disposed at the first outlet (120), and the second valve (400) is used to open or close the first outlet (120); a connecting piece (500) disposed at the second valve (400), the connecting piece (500) being used to connect to a steam trap (600), the steam trap (600) being used to discharge water vapor condensed in the valve body (100); a tee (800) having a first end (810), a second end (820), and a third end (830) which are interconnected; A hose (1000), one end of which is detachably connected to the connecting piece (500), and the other end of which is arranged at the first end (810), and the first end (810) is connected to the connecting piece (500) through the hose (1000); The second valve (400) is a manual diaphragm valve; The connecting piece (500) comprises: A main body (510), wherein the main body (510) has a through space; A first connection portion (520) is provided at one end of the main body (510), and the first connection portion (520) is used to connect the manual diaphragm valve; A fixed tube (530), one end of which is arranged at the other end of the main body (510), the fixed tube (530) is in communication with the passing space, and the other end of the fixed tube (530) is inserted deeply into the hose (1000); An expansion sleeve (540) is sleeved on an end of the fixed tube (530) away from the main body (510), the expansion sleeve (540) having an inlet (110) and an air release port. After the expansion sleeve (540) is expanded, the expansion sleeve (540) abuts against the inner wall of the hose (1000).

2. The single-port sampling valve online sterilization device according to claim 1, characterized in that: Also includes: The concentric reducer (700) is arranged between the steam trap (600) and the connecting piece (500), and the large diameter end of the concentric reducer (700) is closer to the first outlet (120) than the small diameter end of the concentric reducer (700).

3. The single-port sampling valve online sterilization device according to claim 2, characterized in that: The second end (820) is connected to the large diameter end of the concentric reducer (700), and further comprises: A temperature sensor (900) is arranged at the third end (830), and the temperature sensor (900) is used to detect the temperature of the high-temperature steam passing through the three-way valve (800).

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