Liquid medicine gas distribution device
By designing a liquid gas distribution device, and utilizing the detachable connection of the main pipe, multi-port connection, and bend, uniform gas distribution into the liquid is achieved without changing the structure of the preparation tank. This solves the gas distribution problem that cannot be met in the existing technology, and improves the ease of operation and gas utilization.
Patent Information
- Application Number
- CN202423029348.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The existing preparation tanks cannot have interfaces opened arbitrarily without changing the tank structure, which makes it impossible to meet the process requirements of blowing gas into the liquid medicine during the production of the medicine.
A drug liquid gas distribution device was designed, including a main pipe, a multi-port connection, a bend, and branch pipes. It is installed on the preparation tank by means of detachable connection. A second gas distribution hole is provided at the lower part of the main pipe, and a first gas distribution hole is provided on the branch pipe. The bend is bent in the direction of the drug liquid axis and combined with a unidirectional restricting part made of soft material to limit the gas flow direction.
Without altering the structure of the container, uniform gas distribution within the liquid medicine was achieved, improving operational convenience, solving the problem of gas waste, and preventing damage to the container.
Smart Images
Figure CN223602480U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model provides liquid medicine air distribution device relates to infusion pharmaceutical device technical field. BACKGROUND
[0002] The infusion pharmaceutical enterprise produces non-PVC soft bag infusion product, needs to blow nitrogen gas or other gas into the liquid medicine automatically, so as to make the oxygen content and the dissolved oxygen content data of liquid medicine meet the process requirement. Because of the particularity of process requirement, the existing configuration tank is a pressure vessel, cannot open the interface arbitrarily, otherwise easily influences the pressure in the tank, under the condition of not changing the tank body, cannot satisfy the production demand. UTILITY MODEL CONTENTS
[0003] The utility model provides liquid medicine air distribution device, combines existing configuration tank use, solved the technical problem of configuration tank in prior art cannot open the interface arbitrarily, cannot satisfy the liquid medicine production demand under the condition of not changing the tank body structure.
[0004] The utility model discloses a liquid medicine air distribution device, which comprises a main pipe, a plurality of connecting parts, a plurality of bending parts and a plurality of branch pipes, the plurality of connecting parts are detachably installed at the bottom of the main pipe, the plurality of connecting parts are provided with a plurality of interfaces, the number of the bending parts corresponds to the number of the interfaces, the bending parts are bent towards the liquid medicine axis, the number of the branch pipes corresponds to the number of the bending parts, one end of all the bending parts is detachably connected with the plurality of connecting parts, the other end of all the bending parts is detachably installed with one branch pipe, and all the branch pipes are provided with a plurality of first air distribution holes.
[0005] As a further optimization, the lower part of the main pipe is provided with a plurality of second air distribution holes.
[0006] As a further optimization, the first air distribution hole and the second air distribution hole are both installed with a one-way limiting part made of soft material.
[0007] As a further optimization, the main pipe comprises a first main pipe and a second main pipe connected in sequence from top to bottom, the first main pipe and the second main pipe are detachably connected, and the lower part of the second branch pipe is provided with a plurality of second air distribution holes.
[0008] As a further optimization, the number of the bending parts is two, including a first bending part and a second bending part, the number of the branch pipes is two, including a first branch pipe and a second branch pipe, the first branch pipe is detachably connected with the first bending part, and the second branch pipe is detachably connected with the second bending part.
[0009] As a further optimization, the installation position of the first bending part is higher than the installation position of the second bending part, or the first bending part and the second bending part are installed on the same horizontal line.
[0010] As a further preference, the bending angle of the first and second bending portions is 90°.
[0011] As a further preference, the pipe diameter of the branch pipes is smaller than the pipe diameter of the main pipe.
[0012] As a further preference, all the branch pipes are placed transversely.
[0013] As a further preference, several second air distribution holes are evenly arranged on all the branch pipes which are not facing the direction of the bottom of the chemical liquid tank.
[0014] As a further preference, the chemical liquid air distribution device is made of stainless steel.
[0015] The working principle of the utility model is that the main pipe is detachably connected with the reserved hole on the upper part of the chemical liquid preparation tank, the main pipe extends upwards out of the chemical liquid preparation tank, is connected with the gas source through the air pipe, a valve and a gas flow meter are installed on the air pipe for controlling the air distribution amount, the main pipe extends downwards into the tank body, the lower part of the main pipe is provided with a second air distribution hole, the lower part of the main pipe extends downwards out of at least two branch pipes, the first air distribution hole is arranged on each branch pipe, the gas passes through the air pipe, the main pipe and the branch pipe, enters the chemical liquid tank and is discharged into the chemical liquid through the first air distribution hole and the second air distribution hole.
[0016] The utility model has the advantages that the chemical liquid air distribution device is installed on the basis of the structure of the existing chemical liquid preparation tank, the structure of the chemical liquid tank does not need to be changed, the operation is convenient and the pressure of the chemical liquid tank is not affected. The chemical liquid air distribution device is installed in combination with the reserved hole on the top of the chemical liquid tank, so that the risk of pressure relief is avoided. The second air distribution hole is arranged on the lower part of the main pipe, so that when the amount of the chemical liquid in the preparation tank is the minimum, the gas filled through the main pipe can all enter the chemical liquid, and the waste of gas is prevented. The bending portion is arranged, the bending portion is bent towards the inside of the chemical liquid, the bending direction of the bending portion is consistent with the bending direction of the tank body, all face the tank body and the axis of the chemical liquid, and the inside of the tank body is not damaged. The first air distribution hole on the branch pipe is used for discharging the gas into the chemical liquid. The first air distribution hole and the second air distribution hole are both provided with the one-way limiting portion made of soft material, and the gas flow direction of the first air distribution hole and the second air distribution hole is from inside to outside. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0018] Figure 1 It is the overall structure schematic diagram of an embodiment of the utility model;
[0019] Figure 2 is the overall structure schematic diagram of one embodiment of the utility model;
[0020] Figure 3 is the overall structure schematic diagram of one embodiment of the fixed base.
[0021] In the drawing, 1-main pipe; 101-first main pipe; 102-second main pipe; 103-second gas distribution hole; 2-multiple connection part; 3-bend part; 4-branch pipe; 401-first branch pipe; 402-second branch pipe; 403-first gas distribution hole; 5-fixed base; 501-fixed sheet; 6-liquid medicine tank. DETAILED DESCRIPTION
[0022] Liquid medicine gas distribution device, including main pipe, multiple connection part, bend part, branch pipe, the upper portion of main pipe is detachably connected with the reserved port of liquid medicine preparation tank, and the reserved port of liquid medicine preparation tank is commonly used as a gas release port. The main pipe extends upward from the liquid medicine preparation tank and is connected with a gas source, and the extended part is a gas pipe (not shown in the figure), and a valve and a flow meter are installed on the gas pipe. Generally, the capacity of the liquid medicine tank is 5000L, and the nitrogen flow can reach 150L / min. The top of the liquid medicine tank is provided with a breather (exhaust valve), and nitrogen is continuously introduced into the main pipe to replace the air in the preparation tank, so that the purpose of all nitrogen in the tank is achieved. The bottom of the main pipe is detachably installed with the multiple connection part, the number of bend parts corresponds to the number of interfaces of the multiple connection part, the number of branch pipes corresponds to the number of bend parts, the bend part is detachably connected with the multiple connection part, and the bend part is curved towards the liquid medicine axis and is more fitted with the liquid medicine preparation tank. One end of all the bend parts is detachably connected with the multiple connection part, and the other end is detachably installed with one branch pipe, and all the branch pipes are provided with a plurality of first gas distribution holes. Further, the bend part can be a bend pipe. The detachable connection mode can be quick clamping connection, preferably quick sleeve connection, preferably quick sleeve connection of stainless steel material. In order to prevent gas leakage, sealing washers are installed at each connection to increase the sealing property of the liquid medicine gas distribution device. Further, the multiple connection part is selected from a three-way pipe, a four-way pipe and the like, and a three-way pipe is usually selected according to the capacity of the liquid medicine tank. Preferably, the three-way pipe has a quick clamping structure, that is, a quick clamping three-way pipe, which can be quickly clamped into the branch pipe. Further, the liquid medicine gas distribution device is made of stainless steel.
[0023] As a further preferred, the main pipe lower part is provided with a plurality of second air distribution holes. All the second air distribution holes are evenly distributed along the length direction of the main pipe. When the liquid level is low, the gas is directly discharged into the tank. Further, the first air distribution hole and the second air distribution hole are provided with a one-way limiting part made of soft material, which preferably has a valve structure of silicone or a duckbill structure of silicone. The flow direction of the first air distribution hole and the second air distribution hole is limited by the one-way limiting part from inside to outside.
[0024] As a further preferred, the main pipe includes a first main pipe and a second main pipe, which are detachably connected, and the second main pipe is provided with a plurality of second air distribution holes. Some liquid medicine tanks are small in volume, and only the first main pipe can be selected as needed, and only the first air distribution hole on the main pipe is needed to complete the air distribution. Some liquid medicine tanks are large in volume and high in height, and the first main pipe and the second main pipe can be selected as needed to cooperate, prolong the length of the main pipe, and increase the air distribution.
[0025] As a further preferred, the bending part includes a first bending part and a second bending part, and the branch pipe includes a first branch pipe and a second branch pipe, the first branch pipe is detachably connected with the first bending part, and the second branch pipe is detachably connected with the second bending part. When the multi-port connector selects a tee, the bending part includes a first bending part and a second bending part, and the main pipe is divided into two branch pipes for air distribution.
[0026] As a further preferred, the installation position of the first bending part is higher than the installation position of the second bending part, or the installation position of the first bending part is at the same level as the installation position of the second bending part. The bending angle of the first bending part and the second bending part is preferably 90°, and the bending angle of the first bending part and the second bending part can be adjusted as needed.
[0027] As a further preferred, the pipe diameter of the branch pipe is smaller than the pipe diameter of the main pipe. According to the need, the pipe diameter of the main pipe is DN40, and the pipe diameter of the branch pipe is DN25.
[0028] As a further preferred, all the branch pipes are placed transversely.
[0029] As a further preferred, the part of all the branch pipes facing the bottom of the liquid medicine tank is not provided with a first air distribution hole, and further, the direction of all the branch pipes not facing the bottom of the liquid medicine tank is uniformly provided with a plurality of first air distribution holes to increase the air distribution amount.
[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiments
[0031] Referring to Figure 1 , Figure 3 The liquid medicine gas distribution device is mainly made of stainless steel and comprises a main pipe 1, a multi-port connecting part 2, a bending part 3 and a branch pipe 4. The upper part of the main pipe 1 is connected to the reserved port of the top of a liquid medicine preparation tank by a snap connection and extends outward to be connected to an air pipe 7. The air pipe 7 is connected to a gas source, and a valve and a gas flow meter are installed on the air pipe 7 in a known manner. The lower part of the main pipe 1 is detachably provided with the multi-port connecting part 2. The multi-port connecting part 2 has a plurality of interfaces, the number of the bending parts 3 corresponds to the number of the interfaces of the multi-port connecting part 2, and the interfaces of the multi-port connecting part 2 are respectively connected to the main pipe 1 and the bending parts 3. In this embodiment, the multi-port connecting part 2 has three interfaces, the middle interface is connected to the main pipe 1, and the left and right interfaces are both connected to a bending part 3. The bending part 3 is bent towards the axis direction of the liquid medicine tank 6, i.e. bent towards the axis direction of the liquid medicine, which is consistent with the bending direction of the liquid medicine tank 6, thereby facilitating installation. The number of the branch pipes 4 corresponds to the number of the bending parts 3, one end of each of the bending parts 3 is detachably connected to the interface of the multi-port connecting part 2, and the other end is snap-connected to a branch pipe 4. All the branch pipes 4 are located at the bottom of the liquid medicine tank 6 and are installed horizontally, and each of the branch pipes 4 is provided with a plurality of first gas distribution holes 403 which are evenly and equally distributed on the part of the branch pipe 4 not facing the bottom of the liquid medicine tank 6.
[0032] Referring to Figure 1The main pipe 1 includes a first main pipe 101 and a second main pipe 102, the first main pipe 101 and the second main pipe 102 are detachably connected, and a plurality of second air distribution holes 103 are arranged on the second main pipe 102. Some medicine liquid tanks are small in volume, and only the first main pipe 101 can be selected according to needs, and only the first air distribution hole 403 can complete air distribution. Some medicine liquid tanks 6 are large in volume and high in height, and the first main pipe 101 and the second main pipe 102 can be selected according to needs. The pipe diameter of the branch pipe 4 is smaller than that of the main pipe 1. According to needs, the pipe diameter of the main pipe 1 is DN40, and the pipe diameter of the branch pipe 4 is DN25. In the embodiment, the detachable connection mode can be quick clamping connection. In order to prevent gas leakage, sealing washers are installed at each connection position. The installation mode is known. The first air distribution hole 403 and the second air distribution hole 103 are both provided with silica gel valves (not shown in the figure), which limit the flow direction of the first air distribution hole 403 and the second air distribution hole 103. The silica gel valve is selected as a duckbill silica gel valve. Referring to Figure 3 The bottom of the first air distribution hole 403 extends to the inside of the branch pipe 4, forming an annular mounting base 5. The mounting base 5 has a mounting port and a mounting cavity 502. The mounting port is provided with a plurality of fixing pieces 501, and the mounting cavity 502 is used to accommodate the valve body of the silica gel valve. The fixing pieces are used to fix the valve body. The silica gel valve body is installed in the mounting cavity 502, and the valve part extends through the first air distribution hole 403 and is located outside the branch pipe 4. The second air distribution hole 103 is also provided with the mounting base 5 of the same structure.
[0033] In the embodiment, the multi-port connection part 2 selects a tee joint, which has three interfaces, namely a first interface, a second interface and a third interface. The first interface is located in the middle, and the second interface and the third interface are located on the left and right sides of the first interface. The number of the bending parts 3 is two, which are a first bending part and a second bending part. The first bending part and the second bending part have the same structure and are both selected as stainless steel elbow pipes with a bending angle of 90°. The number of the branch pipes 4 is consistent with the number of the bending parts 3, and the number of the branch pipes 4 is two, which are a first branch pipe and a second branch pipe. The first interface is detachably connected with the main pipe 1, the second interface is detachably connected with the first bending part, the third interface is detachably connected with the second bending part, the first branch pipe is detachably connected with the first bending part, and the second branch pipe is detachably connected with the second bending part. The connection position of the first bending part is higher than that of the second bending part, so that multi-liquid surface layer exhaust can be performed. The part of the first branch pipe and the second branch pipe which does not face the tank bottom direction is provided with a plurality of first air distribution holes 403, and all the first air distribution holes 403 are arranged on the equi-axis. Embodiment
[0034] Referring toFigure 2 and Figure 3 , the liquid medicine gas distribution device is mainly selected from stainless steel material, including main pipe 1, multiple connection part 2, bending part 3, branch pipe 4. The upper part of the main pipe 1 is connected with the reserved port of the top of the liquid medicine preparation tank by quick clamping, and is connected with the air pipe 7 outwardly, the air pipe 7 is connected with the gas source, the valve and the gas flow meter are installed on the air pipe 7, and the installation mode is a known installation mode. The lower part of the main pipe 1 is detachably provided with the multiple connection part 2. The multiple connection part 2 has multiple interfaces, the number of the bending part 3 corresponds to the number of the interfaces of the multiple connection part 2, and the interfaces of the multiple connection part 2 are connected with the main pipe 1 and the bending part 3 respectively. The bending part 3 is bent towards the axis direction of the liquid medicine tank 6, that is, it is bent towards the axis direction of the liquid medicine, which is consistent with the bending direction of the liquid medicine tank 6, and is beneficial to installation. The number of the branch pipe 4 corresponds to the number of the bending part 3, one end of all the bending part 3 is detachably connected with the interface of the multiple connection part 2, and the other end is quickly clamped with one branch pipe 4. All the branch pipes 4 are located at the bottom of the liquid medicine tank 6 and are installed transversely, and all the branch pipes 4 are provided with a plurality of first gas distribution holes 403, which are evenly and equally distributed on the part of the branch pipe 4 not facing the bottom of the liquid medicine tank 6.
[0035] Referring to Figure 2 , the main pipe 1 includes a first main pipe 101 and a second main pipe 102, the first main pipe 101 and the second main pipe 102 are detachably connected, and a plurality of second gas distribution holes 103 are arranged on the second branch pipe 102. Some liquid medicine tanks are small in volume, and only the first main pipe 101 can be selected according to needs, and the first gas distribution hole 403 can complete the gas distribution. Some liquid medicine tanks 6 are large in volume and high in height, and the first main pipe 101 and the second main pipe 102 can be selected according to needs. The pipe diameter of the branch pipe 4 is smaller than that of the main pipe 1. According to needs, the pipe diameter of the main pipe 1 is DN40, and the pipe diameter of the branch pipe 4 is DN25. In this embodiment, the detachable connection mode can be quick clamping, in order to prevent gas leakage, sealing washers are installed at each connection, and the installation mode is known. The first gas distribution hole 403 and the second gas distribution hole 103 are provided with silica gel valves (not shown), which limit the flow direction of the first gas distribution hole 403 and the second gas distribution hole 103, and the silica gel valves are selected from duckbill silica gel valves. Referring to Figure 3The bottom of the first air distribution hole 403 extends to the inside of the branch pipe 4, forming an annular mounting base 5 with a mounting opening and a mounting cavity 502, the mounting opening is provided with a plurality of fixing pieces 501, and the mounting cavity 502 is used for accommodating a valve body of the silica gel valve, and the fixing pieces are used for fixing the valve body. The silica gel valve body is mounted in the mounting cavity 502, and the valve part extends through the first air distribution hole 403 and is located outside the branch pipe 4. The second air distribution hole 103 is also provided with the mounting base 5 with the same structure.
[0036] In the embodiment, the multi-port connecting part 2 is a tee joint, which is T-shaped as a whole and has three interfaces, the first interface is located at the top, the second interface is located in the middle, and the third interface is located at the bottom. The number of the bending parts 3 is two, which are the first bending part and the second bending part, and the number of the branch pipes 4 is two, which are the first branch pipe and the second branch pipe. The first interface is detachably connected with the main pipe 1, the second interface is detachably connected with the first bending part, the third interface is detachably connected with the second bending part, the first branch pipe is detachably connected with the first bending part, and the second branch pipe is detachably connected with the second bending part. The connection positions of the first bending part and the second bending part are on the same horizontal line, and the first branch pipe and the second branch pipe are located at the bottom of the liquid tank 6 without contacting the bottom.
[0037] The working principle of the utility model is that the main pipe is detachably connected with the reserved hole at the upper part of the liquid preparation tank, the main pipe extends upwards out of the liquid preparation tank, is connected with the gas source through the air pipe, a valve and a gas flow meter are installed on the air pipe, and the valve is used for controlling the air distribution amount. The main pipe extends downwards into the tank body, the lower part of the main pipe is provided with a second air distribution hole, the lower part of the main pipe extends downwards and out of at least two branch pipes, the first air distribution hole is distributed on each branch pipe, gas passes through the air pipe, the main pipe and the branch pipe, enters the liquid tank, and is discharged into the liquid through the first air distribution hole and the second air distribution hole.
[0038] The utility model discloses beneficial effect, install on the basis of the existing chemical liquid preparation tank structure, do not change the chemical liquid tank structure, convenient operation. The chemical liquid gas distribution device is installed in combination with the reserved hole of the top of chemical liquid tank, avoids the risk of pressure relief. The second gas distribution hole is arranged in the lower part of the main pipe, ensures that when the chemical liquid in the preparation tank is at the minimum amount, the filled gas can all enter the chemical liquid, prevents the waste gas. The bending part is arranged, and the bending part is bent to the inside direction of the chemical liquid, and the bending direction is consistent with the tank body, avoids damaging the inside of the tank body. The first gas distribution hole on the branch pipe is used to discharge the gas into the chemical liquid. The first gas distribution hole and the second gas distribution hole are all installed one-way valve made of soft material, and the flow direction of the first gas distribution hole and the second gas distribution hole is from inside to outside.
[0039] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A liquid medicine gas distribution device, characterized in that, It includes a main pipe, a multi-port connector, a bend, and branch pipes. The multi-port connector is detachably installed at the bottom of the main pipe and has several ports. The number of bends corresponds to the number of ports. The bends bend in the direction of the liquid axis. The number of branch pipes corresponds to the number of bends. One end of each bend is detachably connected to the multi-port connector, and the other end can be detachably installed with a branch pipe. Each branch pipe is provided with several first air distribution holes.
2. The liquid drug distribution device according to claim 1, characterized in that, The lower part of the main tube is provided with several second air distribution holes.
3. The liquid drug distribution device according to claim 2, characterized in that, Both the first and second air distribution holes are equipped with unidirectional limiting parts made of soft material.
4. The liquid drug distribution device according to claim 2, characterized in that, The main tube includes a first main tube and a second main tube connected vertically. The first main tube and the second main tube are detachably connected. Several second air distribution holes are provided at the lower part of the second main tube.
5. The liquid drug distribution device according to claim 1, characterized in that, The number of the bends is two, including a first bend and a second bend. The number of the branches is two, including a first branch and a second branch. The first branch is detachably connected to the first bend, and the second branch is detachably connected to the second bend.
6. The liquid drug distribution device according to claim 5, characterized in that, The first curved portion is installed at a position higher than the second curved portion, or the first curved portion and the second curved portion are installed on the same horizontal line.
7. The liquid drug distribution device according to claim 5, characterized in that, The bending angle of the first and second curved portions is 90°.
8. The liquid drug distribution device according to claim 1, characterized in that, The diameter of the branch pipe is smaller than the diameter of the main pipe.
9. The liquid drug distribution device according to claim 1, characterized in that, All the aforementioned pipes are placed horizontally.
10. The liquid drug distribution device according to claim 9, characterized in that, Several second air distribution holes are evenly distributed on all the portions of the pipes that do not face the bottom of the medicine tank.