CN209569542U - a fluid distribution system - Google Patents

Abstract

The utility model discloses a fluid distribution system, which relates to the technical field of pharmaceutical equipment, comprising a fluid conveying pipeline, a cleaning pipeline and a sterilizing pipeline; One-to-one connection to each fluid distribution end point, and each primary branch pipeline is provided with primary control valve; several secondary branch pipelines are connected to the cleaning pipeline, and each secondary branch pipeline is connected to each primary branch pipeline one by one, and each secondary branch pipeline is connected to each primary branch pipeline one by one. There are secondary control valves on the secondary branch pipelines; several tertiary branch pipelines are connected to the sterilization pipeline, and each tertiary branch pipeline is connected to each secondary branch pipeline one by one, and each tertiary branch pipeline is provided with three stage control valve. The utility model provides a fluid distribution system which is stable in operation, convenient in maintenance, can ensure product quality, and can improve product production efficiency.

Description

a fluid distribution system

technical field

The utility model relates to the technical field of pharmaceutical equipment, in particular to a fluid distribution system.

Background technique

In the pharmaceutical industry, when fluids are dispensed, microorganisms and the cleanliness of pipe cleaning can affect product quality. Most of the existing fluid distribution systems directly transport fluid from the starting point of fluid distribution to the end point of fluid distribution; and, during production, the fluid distribution system cannot be cleaned and sterilized, which is usually different when cleaning and sterilization are performed. Production, which leads to serious constraints on the production efficiency of the product, which needs to be improved urgently.

Utility model content

In view of the above technical problems, the purpose of the present invention is to provide a fluid distribution system, which can realize mutual non-interference of fluid transportation, pipeline cleaning and pipeline sterilization, and greatly improve production efficiency.

To achieve the above object, the utility model provides the following technical solutions:

A fluid distribution system includes a fluid delivery pipeline, a cleaning pipeline and a sterilization pipeline; a plurality of primary branch pipelines are connected to the fluid delivery pipeline, and each primary branch pipeline is separated from one end of the fluid delivery pipeline. A corresponding connection is made to each fluid distribution end point, and each of the primary branch pipelines is provided with a primary control valve;

The cleaning pipeline is connected with a number of secondary branch pipelines, each of the secondary branch pipelines is connected to each primary branch pipeline at one end away from the cleaning pipeline, and each secondary branch pipeline is provided with a secondary branch pipeline. Control valve;

The sterilization pipeline is connected with a number of tertiary branch pipelines, and the end of each tertiary branch pipeline far from the sterilization pipeline is connected to each secondary branch pipeline in a one-to-one correspondence, and each of the tertiary branch pipelines is provided with Three-stage control valve.

By adopting the above technical solution, a plurality of primary branch pipelines are arranged on the fluid conveying pipeline, and each primary branch pipeline is respectively connected to a fluid distribution end point. to improve production efficiency. At the same time, when a certain primary branch pipeline needs to be cleaned, the staff only needs to close the primary control valve on the corresponding pipeline first, and then open the secondary control valve, and the cleaning liquid in the cleaning pipeline can flow in through the secondary branch pipeline. The first-level branch pipeline realizes online cleaning. After the cleaning is completed, the staff closes the secondary control valve and then opens the tertiary control valve, and the sterilization medium in the sterilization pipeline can enter the corresponding primary branch pipeline to complete the sterilization. At the same time, the other primary branch pipelines are still in the fluid delivery state. It can be seen that in this way, the mutual non-interference of fluid delivery, pipeline cleaning and pipeline sterilization can be achieved, thereby saving pipeline cleaning and sterilization. time, greatly improving product production efficiency.

The utility model is further configured as follows: the secondary control valve is provided with one near each end of the secondary branch pipeline, and the distance between the secondary control valve close to the primary branch pipeline and the primary branch pipeline and the distance between the secondary control valve and the primary branch pipeline close to the cleaning pipeline The distance between the secondary control valve and the cleaning pipeline is less than or equal to 3 times the inner diameter of the secondary branch pipeline.

By adopting the above technical solutions, it is ensured that the distance between the secondary control valve near the primary branch pipeline and the primary branch pipeline and the distance between the secondary control valve and the cleaning pipeline near the cleaning pipeline are both less than or equal to 3 times the secondary branch pipeline The inner diameter of the pipeline can prevent the dead angle between the secondary branch pipeline and the primary main pipeline and the cleaning pipeline, avoid problems such as microbial growth, biofilm and endotoxin caused by incomplete cleaning and sterilization, and indirectly ensure product quality.

The utility model is further provided as follows: the tertiary control valve is provided with one near each end of the tertiary branch pipeline, and the distance between the tertiary control valve and the secondary branch pipeline close to the secondary branch pipeline and the distance between the sterilization pipeline The distance between the tertiary control valve and the sterilization pipeline is less than or equal to 3 times the inner diameter of the tertiary branch pipe.

By adopting the above technical solutions, it is ensured that the distance between the tertiary control valve close to the secondary branch pipeline and the secondary branch pipeline and the distance between the tertiary control valve and the sterilization pipeline close to the sterilization pipeline are all less than or equal to three times three times. The inner diameter of the primary branch pipe can prevent the dead angle between the tertiary branch pipe, the secondary branch pipe and the sterilization pipe, avoid problems such as microbial growth, biofilm and endotoxin caused by incomplete cleaning and sterilization, and further improve the product quality.

The utility model is further configured as follows: on the fluid conveying pipeline, a set of fluid main control valves are arranged between any two adjacent first-level branch pipelines.

By adopting the above technical solution, by controlling the on-off state of each fluid main control valve, the mutual interference of different first-level branch pipelines can be further avoided, so that different mediums can flow into different first-level branch pipelines, and the fluid transportation and pipeline can be completed respectively. Road cleaning and line sterilization.

The utility model is further configured as follows: on the cleaning pipeline, a set of cleaning main control valves are arranged between any two adjacent secondary branch pipelines.

By adopting the above technical solution, by controlling the on-off state of each cleaning main control valve, the mutual interference of different secondary branch pipelines can be further avoided, so that different secondary branch pipelines can flow into different media, and the fluid transportation and pipeline can be completed respectively. Road cleaning and line sterilization.

The utility model is further configured as follows: on the sterilization pipeline, a set of sterilization main control valves are arranged between any adjacent two or three-stage branch pipelines.

By adopting the above technical solution, by controlling the on-off state of each sterilization main control valve, the mutual interference of different tertiary branch pipelines can be further avoided, so that different tertiary branch pipelines can be in two different states of sterilization and closed respectively. , to improve the flexibility of system work.

The utility model is further provided that: any valve in the fluid distribution system is a diaphragm valve.

By adopting the above technical solutions, the diaphragm valve is a globe valve that uses the diaphragm as the opening and closing member to close the flow channel, cut off the fluid, and separate the valve body cavity from the valve cover cavity. Low resistance, suitable for low pressure, low temperature, strong corrosive media and suspended substances. It is not only easy to disassemble and maintain, but also has no leakage, which is especially suitable for pharmaceutical process requirements.

The utility model is further configured as follows: each of the primary branch pipelines is provided with a liquid flow detection sensor.

By adopting the above technical solution, with the help of the liquid flow detection sensor, the staff can grasp the flow of the medium on different first-level branch pipelines in real time; when the flow on a certain first-level branch pipeline has a large deviation, the staff can know the communication with it. The pipeline part is abnormal and needs maintenance, which can improve the convenience of system maintenance.

To sum up, the utility model has the following beneficial effects:

1. By setting the fluid delivery pipeline, cleaning pipeline and sterilization pipeline respectively in the system, and setting the primary branch pipeline, secondary branch pipeline and tertiary branch pipeline on the fluid delivery pipeline, cleaning pipeline and sterilization pipeline respectively The first-level branch pipeline, with the first-level control valve, the second-level control valve and the third-level control valve, realizes the mutual non-interference of fluid transportation, pipeline cleaning and pipeline sterilization, which can save the time of pipeline cleaning and sterilization and improve the product quality. Productivity;

2. Strictly control the setting form of the primary control valve, secondary control valve and tertiary control valve to prevent dead ends in the pipeline, avoid problems such as microbial growth, biofilm and endotoxin caused by incomplete cleaning and sterilization, and further improve product quality;

3. By setting the liquid flow detection sensor on each first-level branch pipeline, by monitoring the medium flow, the convenience of system maintenance is improved.

Description of drawings

FIG. 1 is a schematic structural diagram of a fluid distribution system in an embodiment of the present invention.

Reference numerals: 100, starting point of fluid distribution; 200, end point of fluid distribution; 300, fluid delivery pipeline; 310, primary branch pipeline; 311, primary control valve; 312, fluid main control valve; 400, cleaning pipeline; 410, secondary branch pipeline; 411, secondary control valve; 412, cleaning main control valve; 500, sterilization pipeline; 510, tertiary branch pipeline; 511, tertiary control valve; 512, sterilization main control valve; 600. Liquid flow detection sensor.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1 , a fluid distribution system includes a fluid delivery pipeline 300, one end of the fluid delivery pipeline 300 is connected to the fluid distribution starting point 100, and a plurality of primary branch pipelines 310 are provided at intervals thereon, each primary branch pipeline 310 One end away from the fluid delivery pipeline 300 is respectively connected to each fluid distribution end point 200 . The fluid delivery pipeline 300 can be used to deliver the medium used for pharmaceutical production, such as nutrient solution, purified water, etc. During operation, the fluid enters the fluid delivery pipeline 300 through the fluid distribution starting point 100, and is finally discharged from each primary branch pipeline 310 to realize The point-to-multipoint conveying mode can improve production efficiency.

On the fluid delivery pipeline 300, a fluid main control valve 312 is provided between any two adjacent primary branch pipelines 310; through each fluid main control valve 312, the staff can control the flow of the fluid on the fluid delivery pipeline 300 scope. At the same time, any primary branch pipeline 310 is provided with a primary control valve 311 ; when a primary control valve 311 is closed, the corresponding primary branch pipeline 310 is in a closed state, and fluid cannot flow into the primary branch pipeline 310 . In addition, each primary branch pipeline 310 is provided with a liquid flow detection sensor 600, and the liquid flow detection sensor 600 can be electrically connected to the control system of the entire pharmaceutical equipment, so that the staff can monitor the medium in each primary branch pipeline 310 in real time. flow.

Referring to FIG. 1, the fluid distribution system further includes a cleaning pipeline 400, and the cleaning pipeline 400 can be used for conveying cleaning media such as cleaning liquid, and can be used for pipeline cleaning. The cleaning pipeline 400 is provided with a number of secondary branch pipelines 410 at intervals. The secondary branch pipelines 410 are arranged in a one-to-one correspondence with the above-mentioned primary branch pipelines 310, and each secondary branch pipeline 410 has one end away from the cleaning pipeline 400. Corresponding primary branch pipelines 310 are connected.

On the cleaning pipeline 400, a cleaning main control valve 412 is provided between any two adjacent secondary branch pipelines 410; through each cleaning main control valve 412, the staff can flexibly control the flow of the cleaning medium on the cleaning pipeline 400 scope. At the same time, any secondary branch pipeline 410 is provided with a secondary control valve 411 ; when the secondary branch pipeline 410 is long, a set of the secondary control valve 411 can be provided near both ends of the secondary branch pipeline 410 . . At this time, the two secondary control valves 411 on the same secondary branch pipeline 410 should meet the following conditions: the distance between the secondary control valve 411 close to the primary branch pipeline 310 and the primary branch pipeline 310 and the proximity to the cleaning pipeline 400 The distance between the secondary control valve 411 and the cleaning pipeline 400 is less than or equal to 3 times the inner diameter of the secondary branch pipeline 410 .

Referring to FIG. 1 , the fluid distribution system further includes a sterilization pipeline 500 . The sterilization pipeline 500 can be used for conveying the sterilization cutoff and can be used for pipeline sterilization. The sterilization pipeline 500 is provided with a number of tertiary branch pipelines 510 at intervals. The tertiary branch pipelines 510 are arranged in a one-to-one correspondence with the above-mentioned secondary branch pipelines 410 , and each tertiary branch pipeline 510 is away from one end of the sterilization pipeline 500 . They are all connected to the corresponding secondary branch pipelines 410 .

On the sterilization pipeline 500, a sterilization main control valve 512 is provided between any adjacent two or three-level branch pipelines 510; with each sterilization main control valve 512, the staff can flexibly control the sterilization cut-off at the sterilization pipe Flow range in road 500. At the same time, any tertiary branch pipeline 510 is provided with a tertiary control valve 511 ; when the tertiary branch pipeline 510 is long, one set of the tertiary control valve 511 can be provided near both ends of the tertiary branch pipeline 510 . . At this time, the two tertiary control valves 511 on the same tertiary branch pipeline 510 should meet the following conditions: the distance between the tertiary control valve 511 close to the secondary branch pipeline 410 and the secondary branch pipeline 410 and the proximity to the sterilization pipeline The distance between the tertiary control valve 511 of the 500 and the sterilization pipeline 500 is less than or equal to 3 times the inner diameter of the tertiary branch pipe.

Specifically, in this embodiment, the above-mentioned primary control valve 311 , secondary control valve 411 , tertiary control valve 511 , fluid main control valve 312 , cleaning main control valve 412 and sterilization main control valve 512 can all use diaphragms valve. Diaphragm valve is a globe valve that uses a diaphragm as an opening and closing member to close the flow passage, cut off the fluid, and separate the inner cavity of the valve body and the inner cavity of the valve cover. , low temperature, strong corrosiveness and medium containing suspended substances, not only easy to disassemble and maintain, but also no leakage, especially in line with the process requirements of pharmaceuticals.

The working principle of this embodiment is: in normal production, the fluid used for pharmaceuticals can enter each primary branch pipeline 310 through the fluid delivery pipeline 300 and flow into different fluid distribution end points 200 to meet the needs of pharmaceuticals. When one of the primary branch pipelines 310 needs to be cleaned and sterilized, the staff closes the primary control valve 311 on the primary branch pipeline 310, and then opens the secondary control valve 411 on the corresponding secondary branch pipeline 410 to clean The cleaning medium in the pipeline 400 can enter the primary branch pipeline 310 through the secondary branch pipeline 410 to complete the pipeline cleaning. Then, close the secondary control valve 411 on the corresponding secondary branch pipeline 410, and open the tertiary control valve 511 on the corresponding tertiary branch pipeline 510, the sterilization cutoff in the sterilization pipeline 500 will pass through the tertiary branch pipeline in sequence 510 and the secondary branch pipeline 410 enter the primary branch pipeline 310 to complete the sterilization. During this process, the other primary branch pipelines 310 can maintain a normal working state. In this way, mutual non-interference between fluid transportation, pipeline cleaning and pipeline sterilization can be achieved, which can save time for pipeline cleaning and sterilization and improve product production efficiency.

This specific embodiment is only an explanation of the present utility model, and it is not a limitation of the present utility model. Those skilled in the art can make modifications to the present embodiment without creative contribution as needed after reading this specification, but as long as the utility model is used in the present invention All new types of claims are protected by the patent law.

Claims (8)

1. A fluid distribution system, characterized in that it comprises a fluid delivery pipeline (300), a cleaning pipeline (400) and a sterilization pipeline (500); The fluid delivery pipeline (300) is connected with a plurality of primary branch pipelines (310), and one end of each primary branch pipeline (310) away from the fluid delivery pipeline (300) is connected to each fluid distribution end point ( 200), and each of the primary branch pipelines (310) is provided with a primary control valve (311); The cleaning pipeline (400) is connected with a plurality of secondary branch pipelines (410), and one end of each secondary branch pipeline (410) away from the cleaning pipeline (400) is connected to each primary branch pipeline (410). 310), and each secondary branch pipeline (410) is provided with a secondary control valve (411); The sterilization pipeline (500) is connected with a plurality of tertiary branch pipelines (510), and one end of each of the tertiary branch pipelines (510) away from the sterilization pipeline (500) is connected to each secondary branch pipeline in a one-to-one correspondence. A three-stage control valve (511) is provided on each of the three-stage branch pipelines (510). 2. A fluid distribution system according to claim 1, characterized in that, one of the secondary control valves (411) is provided near each end of the secondary branch pipe (410), and is close to the primary branch pipe The distance between the secondary control valve (411) of (310) and the primary branch pipeline (310) and the distance between the secondary control valve (411) close to the cleaning pipeline (400) and the cleaning pipeline (400) are all less than or equal to 3 times the inner diameter of the secondary branch line (410). 3. A fluid distribution system according to claim 1, characterized in that, the tertiary control valve (511) is provided with one near each end of the tertiary branch pipe (510), and is close to the secondary branch pipe The distance between the tertiary control valve (511) of (410) and the secondary branch pipeline (410) and the distance between the tertiary control valve (511) close to the sterilization pipeline (500) and the sterilization pipeline (500) are less than or equal to 3 times the inner diameter of the tertiary branch pipe. 4. A fluid distribution system according to claim 1, characterized in that, on the fluid conveying pipeline (300), a set of fluid main pipelines are provided between any two adjacent first-level branch pipelines (310). control valve (312). 5. A fluid distribution system according to claim 1, characterized in that, on the cleaning pipeline (400), a set of cleaning masters is provided between any two adjacent secondary branch pipelines (410). valve (412). 6. A fluid distribution system according to claim 1, characterized in that, on the sterilization pipeline (500), a group of sterilization pipelines (510) are provided between any adjacent two or three-level branch pipelines (510). Main Control Valve (512). 7. A fluid distribution system according to any one of claims 1-6, wherein any valve in the fluid distribution system is a diaphragm valve. 8. The fluid distribution system according to any one of claims 1-6, characterized in that, a liquid flow detection sensor (600) is provided on each of the primary branch pipes (310).