CN114772087A - Filling device and filling method for fat emulsion injection - Google Patents
Filling device and filling method for fat emulsion injection Download PDFInfo
- Publication number
- CN114772087A CN114772087A CN202210426812.7A CN202210426812A CN114772087A CN 114772087 A CN114772087 A CN 114772087A CN 202210426812 A CN202210426812 A CN 202210426812A CN 114772087 A CN114772087 A CN 114772087A
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- storage tank
- liquid storage
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- filling
- nitrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/745—Large containers having means for heating, cooling, aerating or other conditioning of contents blowing or injecting heating, cooling or other conditioning fluid inside the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
Abstract
The invention discloses a filling device and a filling method for a fat emulsion injection, wherein the device comprises a liquid storage tank and also comprises: the sealing component is used for sealing the opening end of the liquid storage tank; the liquid inlet is arranged on one side wall of the liquid storage tank; the liquid outlet is formed in the bottom of the liquid storage tank; the nitrogen inlet is formed in the side wall of the liquid storage tank, which is opposite to the liquid inlet; the nitrogen outlet is arranged on the side wall of the liquid storage tank and is arranged at one end of the liquid storage tank close to the sealing component; wherein, the nitrogen inlet and the nitrogen outlet are both higher than the liquid inlet. According to the invention, by sealing the liquid storage tank and arranging the nitrogen inlet and the nitrogen outlet, air in the tank can be discharged during liquid storage and filling, so that the product oxidation in the liquid storage and filling processes is avoided; realizing sealed filling; arranging a nitrogen inlet and a liquid inlet oppositely, and protecting the product from the time the product reaches the liquid inlet to the time the filling is finished; and a nitrogen inlet is arranged to be lower than a nitrogen outlet, so that the retention time of nitrogen in the liquid storage tank is prolonged.
Description
Technical Field
The invention relates to the technical field of filling of fat emulsion injection, in particular to a filling device and a filling method for fat emulsion injection.
Background
The small-volume fat emulsion injection is a uniform and stable fat emulsion consisting of refined soybean oil, medium-chain triglyceride, glycerol, lecithin and the like, and has the treatment importance of providing energy and essential fatty acid for patients.
At the back end of the fat emulsion injection production process, the injection needs to be filled into an infusion bottle or an infusion bag. In the liquid storage process before the small-volume fat emulsion injection enters filling, the liquid medicine is easy to oxidize, air remained in the liquid storage tank and the liquid medicine are oxidized by oxygen substances in the air, so that the problems of high anisidine value and high peroxide value of a product are caused, and the influence on the product quality is great. Therefore, how to avoid the oxidation of the product in the liquid storage process before filling is particularly important for improving the product quality.
The existing liquid storage tank specially used for the liquid storage process in the filling procedure of the small-capacity fat emulsion injection is an open elliptical storage tank, a respirator is connected above the storage tank, a liquid inlet is arranged at the upper part of the storage tank, and a liquid outlet is arranged at the bottom of the storage tank; meanwhile, in order to realize uniform pressure in the filling process, a certain distance is reserved between the breather and the storage tank, the pressure in the storage tank is balanced by the breather, and liquid inlet power for filling into an infusion bag (bottle) is provided for filling; meanwhile, the respirator is also used as a filter for filtering the gas which enters the storage tank in advance. Filling devices using such tanks have some drawbacks: firstly, the liquid inlet power during filling completely depends on static pressure difference, and closed filling cannot be realized, so that the residual oxygen amount in the injection is large, the residual oxygen control of a product cannot be ensured, and the product quality is influenced; secondly, the respirator is easily blocked by the emulsion, and the liquid attached to the respirator drops, so that the risk of polluting the liquid medicine exists after long-time use, thereby polluting the overall product quality. Therefore, a filling device is needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problems that the residual oxygen amount in the injection cannot be controlled due to the fact that the existing filling device for the fat emulsion injection cannot realize closed filling, and the risk of liquid medicine pollution exists due to long-term use of a respirator. Aims to provide a filling device and a filling method for a fat emulsion injection to solve the problems.
The first object of the present invention is to provide a filling device for fat emulsion injection, comprising a liquid storage tank, and further comprising:
the sealing component is used for sealing the opening end of the liquid storage tank;
the liquid inlet is arranged on one side wall of the liquid storage tank;
the liquid outlet is formed at the bottom of the liquid storage tank;
the nitrogen inlet is formed in the side wall of the liquid storage tank, which is opposite to the liquid inlet;
the nitrogen outlet is arranged on the side wall of the liquid storage tank and is arranged at one end of the liquid storage tank close to the sealing component; (ii) a
Wherein, the nitrogen inlet and the nitrogen outlet are both higher than the liquid inlet.
Optionally, the height of the nitrogen inlet is lower than that of the nitrogen outlet, and a residual oxygen monitor is arranged at the nitrogen outlet.
Optionally, the liquid inlet is located at one end, close to the liquid outlet, of the liquid storage tank and located 1/6-1/5 of the length of the liquid storage tank in the length direction of the liquid storage tank.
Optionally, the nitrogen inlet is located at one end of the reservoir proximate the seal assembly and at 1/5 along the length of the reservoir in the direction of the length of the reservoir, and the nitrogen outlet is located at 1/10 along the length of the reservoir in the direction of the length of the reservoir.
Optionally, a tuning fork liquid level meter is arranged on the liquid storage tank.
Optionally, the height of the sensing end part of the tuning fork liquid level meter is higher than the liquid inlet and lower than the nitrogen inlet.
Optionally, the seal assembly includes sealing washer, clamp, the one end of tuning fork level gauge is located the outside of liquid storage pot, the sealing washer passes through the clamp to be fixed on the liquid storage pot, the sealing washer cover is in the outside of tuning fork level gauge forms sealedly.
Optionally, the liquid storage tank is of a tubular structure, and the ratio of the height of the liquid storage tank to the diameter of the liquid storage tank is greater than or equal to 5: 1.
Optionally, the liquid inlet is communicated with a liquid medicine filtering system, the liquid outlet is connected with a filling dispenser, and the tail end of the filling dispenser is connected with a plunger.
The second purpose of the invention is to provide a method for filling fat milk based on the filling device, which comprises the following steps:
s1: introducing nitrogen into a liquid storage tank of the filling device, and monitoring the residual oxygen amount in the liquid storage tank;
s2: when the residual oxygen amount in the liquid storage tank reaches a set value, injecting the fat emulsion product into the liquid storage tank, introducing nitrogen into the liquid storage tank, when the liquid level of the fat emulsion product in the liquid storage tank reaches the set value, controlling the fat emulsion product to flow out to a filling system to perform closed plunger pumping filling.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) according to the invention, the liquid storage tank is sealed, and the nitrogen inlet and the nitrogen outlet are arranged, so that the depth of the liquid storage tank is relatively deep, and a space can be reserved for replacing air, therefore, the air in the tank can be replaced before, during and during the liquid storage process, and the oxidation of products in the whole liquid storage and filling process is avoided; the sealed filling can be realized, and the product is prevented from being oxidized in the filling process; a respirator is not used any more, so that a pollution source is avoided, and various problems caused by using the respirator are avoided; the nitrogen inlet and the liquid inlet are arranged oppositely, so that the fat emulsion injection is well protected from reaching the liquid inlet until the filling is finished, and the product quality before being sent into the filling dispenser is ensured; set up the nitrogen gas import and be less than the nitrogen gas export, can prolong the dwell time of nitrogen gas in the liquid storage tank, it is better to the replacement effect of air in the liquid storage tank. The nitrogen outlet is arranged at one end close to the sealing assembly, so that the retention time of nitrogen in the liquid storage tank can be prolonged, and the air replacement effect is enhanced.
(2) The liquid inlet mode is used for feeding liquid from the lower part on the side wall of the liquid storage tank, so that foam is not easily generated, the liquid medicine is reduced from being oxidized, and the product quality is further ensured; the liquid storage tank device can realize SIP sterilization and prevent the liquid storage tank device from being polluted in the installation process.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of a filling device for fat emulsion injection according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the tuning fork level gauge of the present invention cooperating with a seal ring and a clamp.
Reference numbers and corresponding part names in the drawings:
1-a liquid storage tank, 2-a liquid inlet, 3-a liquid outlet, 4-a nitrogen inlet, 5-a nitrogen outlet, 6-a tuning fork liquid level meter, 7-a sealing ring, 8-a hoop, 9-a liquid medicine filtering system, 10-a filling knockout and 11-a plunger device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
As shown in fig. 1, in an embodiment, a filling apparatus for fat emulsion injection includes a liquid storage tank 1, and further includes: the sealing component is used for sealing the open end of the liquid storage tank 1; the liquid inlet 2 is arranged on one side wall of the liquid storage tank 1; the liquid outlet 3 is arranged at the bottom of the liquid storage tank 1; the nitrogen inlet 4 is arranged on the side wall of the liquid storage tank 1 opposite to the liquid inlet 2; the nitrogen outlet 5 is arranged on the side wall of the liquid storage tank 1; wherein, the nitrogen inlet 4 and the nitrogen outlet 5 are both higher than the liquid inlet 2.
Specifically, the liquid storage tank 1 has an open end, and the shape of the liquid storage tank 1 may be cylindrical or other shapes. The seal assembly forms a seal against the open end of the fluid reservoir 1. The liquid inlet 2 and the nitrogen inlet 4 are arranged on the side wall of the liquid storage tank 1 oppositely. The nitrogen outlet 5 is arranged on the side wall of the liquid storage tank 1 on the same side as the liquid inlet 2 and is arranged at one end, close to the sealing component, of the liquid storage tank 1. During stock solution and filling, fat emulsion injection enters into liquid storage pot 1 through inlet 2 in, and nitrogen gas lets in and can be discharged the air in the liquid storage pot 1 to before the stock solution, stock solution in-process and filling all can be with the interior residual oxygen replacement of jar for nitrogen gas, avoid at the oxidation of whole stock solution and filling in-process product, guaranteed the product quality before sending into filling knockout 10. The sealing of the sealing component can realize sealed filling, avoid the oxidation of products in the filling process and improve the product quality. The gravity of the injection in the filling process becomes the liquid inlet power for filling the infusion bag, and a respirator is not needed, so that various problems caused by the use of the respirator are avoided. In the embodiment, the nitrogen inlet 4 is arranged opposite to the liquid inlet 2, and since the fat emulsion injection is milky, nitrogen enters the liquid storage tank 1 from the direction opposite to the fat emulsion, so that air at the liquid inlet 2 can be fully replaced, and flowing nitrogen flows and the entered milky liquid form a certain degree of hedging, so that the fat emulsion injection at the liquid inlet 2 can be effectively protected, the fat emulsion injection is well protected from reaching the liquid inlet 2 to the completion of filling, the anisidine value and the peroxide value of the liquid medicine are reduced, the liquid medicine is effectively prevented from being oxidized, and the product quality before being sent to the filling dispenser 10 is ensured. The nitrogen outlet is arranged at one end of the liquid storage tank 1 close to the sealing component, so that the residence time of nitrogen in the liquid storage tank can be prolonged, and the control replacement effect is enhanced.
Furthermore, the height of the nitrogen inlet 4 is lower than that of the nitrogen outlet 5, so that the retention time of nitrogen in the liquid storage tank 1 can be prolonged, the replacement effect of air in the liquid storage tank 1 is better, and the optimal residual oxygen control effect is achieved. Meanwhile, a residual oxygen monitor is arranged at the nitrogen outlet 5, and real-time monitoring is realized according to the oxygen content in the residual oxygen monitor measuring tank.
Preferably, the liquid inlet 2 is positioned at one end of the liquid storage tank 1 close to the liquid outlet 3 and is positioned at 1/6-1/5 of the length of the liquid storage tank 1 along the length direction of the liquid storage tank 1. Namely, the liquid inlet 2 is positioned at a position lower than the middle part of the liquid storage tank 1, so that the height difference between the liquid inlet 2 and the liquid outlet 3 is lower, the generation of foam is greatly reduced when the entering injection is poured into the liquid storage tank 1, and the actions of emulsion breaking, phase separation and the like which influence the product quality are ensured to be difficult. Preferably, the nitrogen inlet 4 is located at an end of the fluid reservoir tank 1 proximate the seal assembly and at 1/5 along the length of the fluid reservoir tank 1, as shown in FIG. 1. The nitrogen inlet 4 is located at a position higher than the middle part of the liquid storage tank 1, so that the height difference between the nitrogen inlet 4 and the bottom of the liquid storage tank 1 is increased, the depth of the liquid storage tank is increased, the flow path of nitrogen in the liquid storage tank 1 is prolonged, the residence time of nitrogen in the liquid storage tank 1 is increased, the air replacement effect is improved, and the residual oxygen concentration in the liquid storage tank 1 is reduced. It is further preferred that the nitrogen outlet 5 be located at 1/10 along the length of the reservoir 1 as shown in FIG. 1. Is favorable for further enhancing the air replacement effect.
In another embodiment, as shown in fig. 1 and 2, a tuning fork liquid level meter 6 is arranged on the liquid storage tank 1. The height of the induction end part of the tuning fork liquid level meter 6 is higher than the liquid inlet 2 and lower than the nitrogen inlet 4. Sealing assembly includes sealing washer 7, clamp 8, tuning fork level gauge 6's one end is located the outside of liquid storage pot 1, sealing washer 7 is fixed on liquid storage pot 1 through clamp 8, sealing washer 7 overlaps and is in the outside formation of tuning fork level gauge 6 is sealed. The lower end of the tuning fork liquid level meter 6 is positioned at the middle lower part of the height of the liquid storage tank 1 and is positioned between the liquid inlet 2 and the nitrogen inlet 4. Therefore, the injection liquid with the proper volume can be ensured to be contained in the liquid storage tank 1 when the injection liquid is filled into the infusion bag or the infusion bottle, and the injection liquid can be protected under the nitrogen inlet 4, so that all the injection liquid is protected during filling, and the product quality is further improved. When the liquid level meter is used, the tuning fork liquid level meter 6 senses the liquid level in the liquid storage tank 1, when the injection entering the liquid storage tank 1 reaches the lower end of the tuning fork liquid level meter 6, the tuning fork liquid level meter 6 generates a sensing signal and transmits the sensing signal to the filling control system, the volume of the injection in the liquid storage tank 1 reaches the set volume, and then split charging can be started. The tuning fork liquid level meter 6 is arranged to provide judgment basis for split charging.
The sensing end of the tuning fork liquid level meter 6 is located inside the liquid storage tank 1, the other end of the tuning fork liquid level meter penetrates through the sealing ring 7 to be located outside the liquid storage tank 1, the sealing ring 7 forms good sealing on the tuning fork liquid level meter 6 outside the tuning fork liquid level meter, meanwhile, the clamp 8 is sleeved outside the sealing ring 7 and forms clamping action on the end portion of the liquid storage tank 1, and fixing action is formed on the sealing ring 7 and the tuning fork liquid level meter 6.
In another embodiment, the liquid storage tank 1 is of a tubular structure, and the ratio of the height of the liquid storage tank 1 to the inner diameter of the liquid storage tank 1 is not less than 5: 1. The existing liquid storage tank 1 is of an oval structure, the opening is large, the depth of the tank body is shallow, and if the large and shallow tank body is adopted, the introduced nitrogen cannot completely replace the air in the liquid storage tank 1, so that more air cannot be remained in the liquid storage tank 1, and the air cannot be completely replaced even if a large amount of nitrogen is introduced. Therefore, in the present embodiment, the liquid storage tank 1 is provided as a slender tubular structure to form a liquid storage pipe body. The ratio of the height of the liquid storage tank 1 to the inner diameter of the liquid storage tank 1 is not less than 5: 1. Preferably, the setting is 5:1 or 6: 1. If the liquid storage tank 1 is made of 316L stainless steel, the height of the tank body is 600mm, and the inner diameter of the tank body is 100 mm. This embodiment can improve the replacement effect of nitrogen gas to the air through setting up such slim and long type tank structure, can replace the air is whole, and the replacement is efficient.
Further, the liquid inlet 2 is communicated with a liquid medicine filtering system 9, the liquid medicine filtering system 9 is a cylinder type filtering system, and the cylinder type filtering system is connected with a liquid medicine supplying system. The liquid medicine is filtered and then enters the liquid storage tank 1 for storage so as to carry out subsequent filling. The liquid outlet 3 is connected with a filling liquid distributor 10, and the tail end of the filling liquid distributor 10 is connected with a plunger 11. In addition, compare in the present filling system that contains liquid storage pot 1 and can't realize online SIP sterilization, in this embodiment, liquid medicine filtration system 9, liquid storage pot 1, inlet 2, liquid outlet 3, nitrogen gas import 4, nitrogen gas export 5, tuning fork level gauge 6 and corresponding pipeline and seal assembly, filling knockout 10, plunger 11 are established ties and are formed airtight filling system, at the filling at every turn and after wasing finishing, can realize airtight SIP sterilization, need not dismantling equipment and disinfect, greatly reduced is sterilizing the introduction of in-process external environment.
When the filling device is used for filling, firstly, nitrogen is introduced into the liquid storage tank 1, and a residual oxygen monitor is used for monitoring the residual oxygen amount in the liquid storage tank 1; when the residual oxygen amount in the liquid storage tank 1 reaches a set value, indicating that the residual oxygen in the liquid storage tank 1 is discharged; and then, injecting the fat emulsion product into the liquid storage tank 1, when the liquid level of the fat emulsion product in the liquid storage tank 1 reaches a set value and the tuning fork liquid level meter 6 monitors the liquid level, controlling the fat emulsion product to flow out to a filling liquid distributor 10 of a filling system, and performing closed plunger pumping filling.
Meanwhile, it should be understood by those skilled in the art that the control system provided in the embodiment of the present invention is connected to various valves, the tuning fork level gauge 6, the filling dispenser 10, the plunger 11, etc. on the closed filling system to control the operations of the various components, and the specific control method and connection structure, etc. may be implemented by using known technologies, and will not be described in detail herein.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a filling device for fat emulsion injection, includes liquid storage pot (1), its characterized in that still includes:
the sealing component is used for sealing the open end of the liquid storage tank (1);
the liquid inlet (2) is arranged on one side wall of the liquid storage tank (1);
the liquid outlet (3) is formed in the bottom of the liquid storage tank (1);
the nitrogen inlet (4) is formed in the side wall of the liquid storage tank (1) opposite to the liquid inlet (2);
the nitrogen outlet (5) is arranged on the side wall of the liquid storage tank (1) and is arranged at one end, close to the sealing component, of the liquid storage tank (1);
wherein the nitrogen inlet (4) and the nitrogen outlet (5) are both higher than the liquid inlet (2).
2. Filling device for fat emulsion injection according to claim 1, wherein the height of the nitrogen inlet (4) is lower than the height of the nitrogen outlet (5), and a residual oxygen monitor is arranged at the nitrogen outlet (5).
3. A filling apparatus for fat emulsion injection as defined in claim 2, wherein the liquid inlet (2) is located at an end of the reservoir (1) adjacent to the liquid outlet (3) and is located at 1/6-1/5 of the length of the reservoir (1) along the length of the reservoir (1).
4. A filling device for fat emulsion injection as claimed in claim 2, wherein the nitrogen inlet (4) is located at an end of the reservoir (1) near the sealing assembly at 1/5 along the length of the reservoir (1), and the nitrogen outlet (5) is located at 1/10 along the length of the reservoir (1).
5. The filling device for fat emulsion injection according to claim 1, wherein the liquid storage tank (1) is provided with a tuning fork level gauge (6).
6. The filling device for fat emulsion injection according to claim 5, wherein the height of the sensing end of the tuning fork liquid level meter (6) is higher than the liquid inlet (2) and lower than the nitrogen inlet (4).
7. A filling device for fat emulsion injection according to claim 5, wherein the sealing assembly comprises a sealing ring (7) and a clamp (8), one end of the tuning fork level gauge (6) is located outside the liquid storage tank (1), the sealing ring (7) is fixed on the liquid storage tank (1) through the clamp (8), and the sealing ring (7) is sleeved outside the tuning fork level gauge (6) to form a seal.
8. The filling device for the fat emulsion injection according to claim 1, wherein the liquid storage tank (1) has a tubular structure, and the ratio of the height of the liquid storage tank (1) to the inner diameter of the liquid storage tank (1) is greater than or equal to 5: 1.
9. The filling apparatus for fat emulsion injection according to claim 1, wherein the liquid inlet (2) is connected to a liquid medicine filtering system (9), the liquid outlet (3) is connected to a filling dispenser (10), and the end of the filling dispenser (10) is connected to a plunger (11).
10. A method for filling a fat emulsion product, based on a filling device according to any one of claims 1 to 9, comprising:
s1: introducing nitrogen into a liquid storage tank (1) of the filling device, and monitoring the residual oxygen amount in the liquid storage tank (1);
s2: when the residual oxygen amount in the liquid storage tank (1) reaches a set value, injecting a fat emulsion product into the liquid storage tank (1), simultaneously introducing nitrogen into the liquid storage tank (1), and when the liquid level of the fat emulsion product in the liquid storage tank (1) reaches the set value, controlling the fat emulsion product to flow out to a filling system to perform closed plunger pumping filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426812.7A CN114772087A (en) | 2022-04-22 | 2022-04-22 | Filling device and filling method for fat emulsion injection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426812.7A CN114772087A (en) | 2022-04-22 | 2022-04-22 | Filling device and filling method for fat emulsion injection |
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| CN114772087A true CN114772087A (en) | 2022-07-22 |
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| CN202210426812.7A Pending CN114772087A (en) | 2022-04-22 | 2022-04-22 | Filling device and filling method for fat emulsion injection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117755562A (en) * | 2024-02-22 | 2024-03-26 | 西南科技大学 | Material metering and automatic barreling transportation system and process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117755562A (en) * | 2024-02-22 | 2024-03-26 | 西南科技大学 | Material metering and automatic barreling transportation system and process |
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