Suspension filling system
By incorporating inclined delivery pipelines and a stirrer into the suspension filling system, combined with a weighing component, the problems of sedimentation and waste in the suspension filling system are solved, achieving an efficient and stable filling process and reducing costs.
Patent Information
- Application Number
- CN202422695539.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Existing suspension filling systems are prone to stratification, sedimentation, and cake formation when filling is stopped for a long time. This results in uneven filling dosage and insufficient mixing of the tail liquid, leading to suspension waste and reduced filling efficiency.
Design a suspension filling system including a storage tank, a buffer tank, a filling pump, and a filling needle. The bottom of the storage tank is higher than the inlet of the buffer tank. The infusion pipeline is set at an inclination. Combined with a stirrer and a weighing component, the suspension flows into the buffer tank under the action of gravity and is filled while being stirred, avoiding sedimentation and waste.
It reduces suspension waste, simplifies the operation process, improves filling efficiency and quality stability, shortens production time, and reduces system costs.
Smart Images
Figure CN223591039U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of medicine, food packaging, and specifically relates to a suspension filling system. BACKGROUND
[0002] The suspension type medicament generally contains insoluble drug particles dispersed in liquid to form a non-uniform dispersion system liquid medicament, the micro-particles after sinking do not clump, and can be uniformly dispersed by slight shaking, and the particle size remains unchanged during long-term storage. When storing the suspension, the suspension filling system is needed to fill the suspension into the filling bottle for batch production and storage.
[0003] The existing suspension type liquid filling is generally carried out through a suspension filling system. Usually, the suspension is stirred for a period of time, enters a liquid distributor, and is then punched into a filling needle for filling. However, the existing suspension filling system has the following problems: when the filling is stopped for a long time, the suspension in the pipeline between the bottom of the buffer tank and the liquid distributor is not shaken and appears to be static stratification, precipitation, or even cake formation, causing uneven filling dose. In order to avoid this phenomenon, the suspension in the entire filling system and the liquid distributor can only be manually emptied, causing waste of the suspension. Moreover, during the tail liquid filling stage, the liquid in the buffer tank cannot be fully stirred, which may cause stratification and sedimentation, so that the suspension during the tail liquid filling stage cannot be utilized, causing waste of the suspension. Although the existing technology punches all the suspension in the upstream pipeline of the buffer tank into the buffer tank and then carries out filling, which can reduce the waste of the suspension, but after the suspension in the upstream pipeline is punched into the buffer tank, the filling needs to be restarted after stirring for a period of time, which prolongs the production time and affects the filling efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a suspension filling system and a filling method which can reduce waste of the suspension and avoid affecting the filling efficiency.
[0005] To solve the above problems, the utility model provides a suspension filling system, which comprises a liquid storage tank, a buffer tank, a filling pump, and a filling needle. The buffer tank has a liquid inlet and a liquid outlet. The bottom of the liquid storage tank is connected with the liquid inlet of the buffer tank through a liquid conveying pipeline. The liquid outlet of the buffer tank is connected with the filling needle through a filling pipeline. The filling pump is arranged on the filling pipeline.
[0006] The bottom of the liquid storage tank is higher than the liquid inlet of the buffer tank. The liquid conveying pipeline has an inclined slope, so that the suspension in the liquid conveying pipeline can flow into the buffer tank under the action of its own gravity.
[0007] The storage tank and the buffer tank are provided with agitators, the storage tank is provided with a first valve at the bottom, the first valve is used to open or close the storage tank, and the buffer tank is provided with a first weighing assembly for measuring the weight of the suspension in the buffer tank.
[0008] Further, the infusion pipeline comprises at least one inclined section, the inclined section is downwardly inclined, the inclined section is connected to the bottom of the storage tank through an arc-shaped transition, and / or the inclined section is connected to the liquid inlet of the buffer tank through an arc-shaped transition.
[0009] Further, the infusion pipeline comprises at least one inclined section and at least one vertical section, the vertical section is connected to the bottom of the storage tank, and / or the vertical section is connected to the liquid inlet of the buffer tank, the inclined section and the vertical section are connected through an arc-shaped transition, and / or the inclined section and the bottom of the storage tank are connected through an arc-shaped transition, and / or the inclined section and the liquid inlet of the buffer tank are connected through an arc-shaped transition.
[0010] Further, the slope of the infusion pipeline is 0.1% to 3%.
[0011] Further, the sum of the first stirring amount of the storage tank and the second stirring amount of the buffer tank is not greater than the volume of the buffer tank, the first stirring amount is the minimum stirring amount of the storage tank, and the second stirring amount is the minimum stirring amount of the buffer tank.
[0012] Further, a second valve is arranged on the infusion pipeline, the second valve is used to adjust the flow rate of the suspension flowing into the buffer tank, the liquid inlet of the buffer tank is located above the maximum liquid level of the buffer tank, and the liquid inlet of the buffer tank is arranged close to the inner wall of the buffer tank.
[0013] Further, a bottle conveying line is further included, a plurality of filling stations are arranged on the bottle conveying line, the number of the filling pipeline, the filling pump and the filling needle is the same as the number of the filling stations, the filling needle is arranged above the filling station one by one, and a second weighing assembly is arranged on the filling station.
[0014] Further, a controller is further included, and the storage tank, the filling pump, the first weighing assembly, the second weighing assembly and the bottle conveying line are electrically connected with the controller.
[0015] The suspension filling system, through setting the bottom of the liquid storage tank higher than the liquid inlet of the buffer tank, and setting the liquid delivery pipeline connecting the liquid storage tank and the buffer tank as an inclined pipeline, can make the suspension in the liquid delivery pipeline flow into the buffer tank under the gravity of the suspension, empty the liquid delivery pipeline, avoid the sedimentation of the suspension in the liquid delivery pipeline, reduce the waste of the suspension, and without setting a reflux pipeline and a circulating pump between the liquid storage tank and the buffer tank, the suspension in the liquid delivery pipeline can flow into the buffer tank, which not only simplifies the operation, but also makes the overall structure simpler and reduces the cost of the suspension filling system. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the suspension filling system provided in the embodiment of the utility model;
[0017] Figure 2 It is a principle view of the suspension filling method provided in the embodiment of the utility model;
[0018] Figure 3 It is a flow chart of the suspension filling method provided in the embodiment of the utility model. DETAILED DESCRIPTION
[0019] The technical solutions of the utility model will be described clearly and exhaustively in connection with the drawings. In the description of the utility model, it should be noted that the directions or position relations indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "perpendicular", "horizontal", "top", "bottom", "inner", "outer" are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed in a specific direction and be operated, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In addition, in the description of the utility model, the meaning of "at least one" is one or more than one, and the meaning of "a plurality of" is two or more than two, unless there is a clear and specific limitation.
[0020] In the description of the present specification, the description of the term "as an optional embodiment" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one optional embodiment or optional example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same implementation or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.
[0021] In combination with Figure 1 As shown in the drawings, the first aspect of the embodiment provides a suspension filling system, which comprises a liquid storage tank 10, a buffer tank 30, a filling pump 50 and a filling needle 60, wherein:
[0022] The buffer tank 30 has a liquid inlet and a liquid outlet, the bottom of the liquid storage tank 10 is connected with the liquid inlet of the buffer tank 30 through a liquid conveying pipeline 20, the liquid outlet of the buffer tank 30 is connected with the filling needle 60 through a filling pipeline 40, and the filling pump 50 is arranged on the filling pipeline 40;
[0023] The bottom of the liquid storage tank 10 is higher than the height of the liquid inlet of the buffer tank 30, and the liquid conveying pipeline 20 has an inclined slope, so that the suspension in the liquid conveying pipeline 20 can flow into the buffer tank 30 under the action of its own gravity.
[0024] The liquid storage tank 10 and the buffer tank 30 are both provided with a stirrer 100, the liquid storage tank 10 is provided with a first valve, the first valve is used for opening or closing the liquid storage tank 10, and the buffer tank 30 comprises a first weighing assembly, the first weighing assembly is used for measuring the weight of the suspension in the buffer tank 30.
[0025] The suspension filling system provided by the embodiment can avoid the problem of suspension settlement in the infusion pipeline, reduce the waste of suspension, and can make the suspension in the infusion pipeline flow into the buffer tank under the action of gravity, without the need to set a reflux pipeline and a circulating pump between the liquid storage tank and the buffer tank, so that the suspension in the infusion pipeline can flow into the buffer tank, which simplifies the operation, makes the overall structure simpler, and reduces the cost of the suspension filling system. In addition, the suspension in the infusion pipeline can be stirred and filled at the same time through the stirrer in the buffer tank during the process of flowing into the buffer tank, without the need to start filling after the suspension in the infusion pipeline flows into the buffer tank and is stirred for a period of time, which is beneficial to shorten the production time and improve the filling efficiency. Furthermore, the first valve is arranged on the liquid storage tank, and the weight of the suspension in the buffer tank is detected through the first weighing assembly, so that the weight of the suspension in the buffer tank can be adjusted in real time, which can not only supplement the suspension in the buffer tank in time to ensure the stability and continuity of filling and improve the filling efficiency, but also avoid the problem that the amount of suspension in the buffer tank is too small to cause the sinking of particles and affect the quality of filling.
[0026] As an optional implementation manner, the infusion pipeline 20 comprises at least one inclined section, and the inclined section is inclined downward.
[0027] As an optional implementation manner, the inclined section and the bottom of the liquid storage tank 10 are connected through an arc-shaped transition, and / or the inclined section and the liquid inlet of the buffer tank 30 are connected through an arc-shaped transition. Specifically, the infusion pipeline 20 can be an inclined pipeline, and in this case, the infusion pipeline 20 and the bottom of the liquid storage tank 10 are connected through an arc-shaped transition, and the infusion pipeline 20 and the liquid inlet of the buffer tank 30 are connected through an arc-shaped transition. If the infusion pipeline 20 comprises multiple inclined sections, the multiple inclined sections can also be connected through arc-shaped transitions. In this way, the infusion pipeline 20 is arranged in this manner, which is more conducive to the flow of suspension to reduce resistance and make the suspension flow more smoothly into the buffer tank 30, and the arc-shaped transition at the corner is conducive to further improving the flowability of the suspension and reducing the accumulation of particles in the corner.
[0028] As an optional implementation manner, the infusion pipeline comprises at least one inclined section and at least one vertical section, the inclined section and the vertical section are connected through an arc-shaped transition, the vertical section is connected with the bottom of the liquid storage tank, and / or the vertical section is connected with the liquid inlet of the buffer tank, and / or the inclined section and the bottom of the liquid storage tank are connected through an arc-shaped transition, and / or the inclined section and the liquid inlet of the buffer tank are connected through an arc-shaped transition.
[0029] On the basis of the above-mentioned embodiments, as an optional implementation, the infusion pipeline 20 can also include two vertical sections and one inclined section, the inclined section being arranged between the two vertical sections, one of the vertical sections being connected with the bottom of the liquid storage tank 10, the other vertical section being connected with the liquid inlet of the buffer tank 30, and the two vertical sections being connected with the inclined section through arc-shaped transitions. The infusion pipeline 20 can also include one vertical section and one inclined section, one end of the vertical section being connected with the bottom of the liquid storage tank 10, the other end of the vertical section being connected with the inclined section through an arc-shaped transition, and the other end of the inclined section being connected with the liquid inlet of the buffer tank 30 through an arc-shaped transition; or, one end of the inclined section being connected with the bottom of the liquid storage tank 10 through an arc-shaped transition, the other end of the inclined section being connected with the vertical section through an arc-shaped transition, and the other end of the vertical section being connected with the liquid inlet of the buffer tank 30.
[0030] On the basis of the above-mentioned embodiments, as an optional implementation, the slope of the infusion pipeline 20 is 0.1% to 3%, i.e., the horizontal distance is 100 meters, and the vertical rise or fall is 0.1 meters to 3 meters. Preferably, the slope of the infusion pipeline 20 is 1%. The slope of the infusion pipeline 20 refers to the overall slope of the infusion pipeline 20, regardless of the number of inclined sections of the infusion pipeline 20, and the slope of the infusion pipeline 20 is within the above-mentioned range. In this way, by setting the slope of the infusion pipeline 20 within the above-mentioned range, it is possible to avoid too fast flow rate of the suspension flowing down in the infusion pipeline 20, causing splashing and generating air bubbles, and it is also possible to avoid too slow flow rate of the suspension flowing down in the infusion pipeline 20, causing the suspension to settle in a laminar flow, or too slow replenishment speed, affecting the filling efficiency.
[0031] It should be noted that the inner diameter and the total length of the infusion pipeline 20 are not further limited in the present embodiment, and those skilled in the art can determine them according to test data obtained from multiple replenishment tests.
[0032] On the basis of the above-mentioned embodiments, as an optional implementation, the infusion pipeline 20 is provided with a second valve 70, the second valve 70 being used to adjust the flow rate of the suspension flowing into the buffer tank 30. In this way, by cooperating the second valve 70 with the inclined infusion pipeline 20, it is possible to avoid too fast flow rate of the suspension, causing the suspension to generate air bubbles, which is conducive to achieving stable filling, thereby being conducive to improving the filling quality and the filling qualification rate, and it is also possible to avoid too slow flow rate of the suspension, causing the suspension to settle in a laminar flow, or too slow replenishment speed, affecting the filling efficiency. As a preferred implementation, the flow rate of the suspension in the infusion pipeline 20 flowing into the buffer tank 30 is 0.1 L / min to 2 L / min.
[0033] On the basis of the above-mentioned embodiments, as an optional implementation manner, the liquid inlet of the buffer tank 30 is located above the maximum liquid level of the buffer tank 30, and the liquid inlet of the buffer tank 30 is arranged close to the inner wall of the buffer tank 30, so that the liquid inlet of the buffer tank 30 is arranged close to the inner wall of the buffer tank 30. Therefore, arranging the liquid inlet of the buffer tank 30 above the maximum liquid level of the buffer tank 30 can reduce the bubbles generated by the suspension liquid, which is beneficial to improve the quality and pass rate of filling. Arranging the liquid inlet of the buffer tank 30 close to the inner wall of the buffer tank 30 can avoid splashing of the suspension liquid flowing into the buffer tank 30, and further reduce the bubbles generated by the suspension liquid, thereby further improving the stability and quality of filling.
[0034] On the basis of the above-mentioned embodiments, as an optional implementation manner, the sum of the first stirring amount of the liquid storage tank 10 and the second stirring amount of the buffer tank 30 is not greater than the volume of the buffer tank 30. The first stirring amount is the minimum stirring amount of the liquid storage tank 10, and the second stirring amount is the minimum stirring amount of the buffer tank 30. In this embodiment, the specific values of the minimum stirring amount of the liquid storage tank 10 and the minimum stirring amount of the buffer tank 30 are not further limited, and a person skilled in the art can set them according to the actual situation. The suspension liquid in the liquid storage tank 10 cannot be stirred evenly or the stirring effect is poor when the suspension liquid is below the minimum stirring amount, and the suspension liquid in the buffer tank 30 cannot be stirred evenly or the stirring effect is poor when the suspension liquid is below the minimum stirring amount. Therefore, when the suspension liquid in the liquid storage tank 10 reaches the minimum stirring amount and the suspension liquid in the liquid storage tank 10 flows into the buffer tank 30, the suspension liquid in the buffer tank 30 can be prevented from overflowing.
[0035] On the basis of the above-mentioned embodiments, as an optional implementation manner, the liquid storage tank 10 comprises a third weighing assembly for measuring the weight of the suspension liquid in the liquid storage tank 10. Therefore, by arranging the third weighing assembly, the weight of the suspension liquid in the liquid storage tank 10 can be measured in time, so as to timely understand the remaining situation of the suspension liquid in the liquid storage tank 10.
[0036] On the basis of the above-mentioned embodiments, as an optional implementation, the suspension liquid filling system further comprises a bottle conveying line 80, a plurality of filling stations are arranged on the bottle conveying line 80, the number of the filling pipe 40, the filling pump 50 and the filling needle 60 is the same as that of the filling stations, the filling pipe 40 comprises a pump inlet pipe and a pump outlet pipe, the outlet of the buffer tank 30 is communicated with the filling pump through the pump inlet pipe, the filling pump is communicated with the filling needle 60 through the pump outlet pipe, the filling needle 60 is arranged above the filling station one by one, the bottle is conveyed through the bottle conveying line 80, when the bottle reaches the filling station, the filling needle 60 above the filling station is used for filling, after the filling is completed, the bottle is output by the bottle conveying line 80, so as to ensure the continuity of the filling and improve the efficiency of the filling. The second weighing assembly 90 is arranged on each filling station, the second weighing assembly 90 is used for measuring the weight of the bottle on the filling station, including the weight of the empty bottle and the weight of the bottle after filling, so as to ensure that the filling amount is within the preset range. Therefore, in the embodiment, a plurality of filling stations are arranged, and the plurality of filling needles 60 are arranged above the filling stations one by one, so that the simultaneous filling of a plurality of bottles can be realized, which is beneficial to further improving the efficiency of the filling.
[0037] In the embodiment, the outlet of the buffer tank 30 can be arranged as a plurality of outlets, or the outlet of the buffer tank 30 can be arranged as one, and the plurality of filling pipes 40 are connected with the buffer tank 30 through the outlet of the buffer tank 30. The specific number of the outlet of the buffer tank 30 can be arranged according to the actual situation by those skilled in the art.
[0038] On the basis of the above-mentioned embodiments, as an optional implementation, the suspension liquid filling system further comprises a controller, the liquid storage tank 10, the filling pump 50, the first weighing assembly, the second weighing assembly and the bottle conveying line 80 are electrically connected with the controller. Therefore, when the first weighing assembly measures the weight of the suspension liquid in the buffer tank 30, the weight is fed back to the controller, the controller issues an instruction of opening or closing the first valve according to the weight of the suspension liquid in the buffer tank 30, so as to open or close the liquid storage tank 10 in an automatic or manual manner of the system. When the bottle reaches the filling station, the controller issues an instruction of starting filling to the filling pump 50, the suspension liquid in the buffer tank 30 is filled into the bottle through the filling needle 60, and the second weighing assembly measures the weight of the bottle after filling in real time, when the weight of the bottle after filling reaches the preset range, the weight is fed back to the controller, the controller issues an instruction of stopping filling to the filling pump 50. When the third weighing assembly measures the weight of the suspension liquid in the liquid storage tank 10 reaches or is lower than the minimum stirring amount, the weight is fed back to the controller, the controller issues an instruction of opening the first valve, so as to open the liquid storage tank 10 in an automatic or manual manner of the system, and the suspension liquid in the liquid storage tank 10 is completely conveyed into the buffer tank 30.
[0039] The specific type of the controller is not limited further in the embodiment, and a person skilled in the art can set it according to actual conditions. For example, the controller can be a CPU (Central Processing Unit), a general processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
[0040] In combination Figure 2 The second aspect of the embodiment provides a suspension filling method, which is filled by using the suspension filling system as described in the first aspect. The suspension filling method comprises the following steps:
[0041] In step S210, the weight of the suspension in the buffer tank 30 is measured by the first weighing assembly.
[0042] In step S220, when the weight of the suspension in the buffer tank 30 is lower than the first preset value, the first valve is opened, the suspension in the liquid storage tank 10 is transported to the buffer tank 30 through the conveying pipeline 20 for replenishment, until the weight of the suspension in the buffer tank 30 reaches the second preset value, the first valve is closed, and the suspension in the conveying pipeline 20 flows to the buffer tank 30 under the action of its own gravity, and in the process of replenishment of the buffer tank 30, the suspension in the buffer tank 30 is filled while being stirred.
[0043] The first preset value is the lower limit value of the weight of the suspension in the buffer tank 30, and the second preset value is the upper limit value of the weight of the suspension in the buffer tank 30. The specific values of the first preset value and the second preset value are not limited further in the embodiment, and a person skilled in the art can set them according to actual conditions.
[0044] The filling method of the suspension provided in the embodiment can measure the weight of the suspension in the buffer tank in real time through the first weighing assembly, and open or close the first valve according to the weight of the suspension in the buffer tank. As long as the weight of the suspension in the buffer tank is lower than the first preset value, the buffer tank is replenished with liquid; and as long as the weight of the suspension in the buffer tank reaches the second preset value, the buffer tank stops being replenished with liquid. The method can realize automatic replenishment of the buffer tank, thereby ensuring the continuity and stability of filling, improving the filling efficiency, reducing manual intervention and operation risk, and keeping the suspension in the buffer tank within a certain range, which is beneficial to reducing the particle sedimentation of the suspension and further improving the filling quality. In addition, since the conveying pipeline is arranged as an inclined pipeline, the suspension in the conveying pipeline can be completely emptied after each replenishment. In the case of abnormal shutdown or suspension, the suspension in the conveying pipeline can be prevented from settling, thereby reducing the waste of the suspension, and the suspension in the conveying pipeline between the liquid storage tank and the buffer tank does not need to be separately operated and poured into the buffer tank, which simplifies the operation, improves the filling efficiency, and shortens the production time and improves the filling efficiency without the need to wait for the suspension in the conveying pipeline to flow into the buffer tank and then be stirred for a period of time before starting the filling.
[0045] On the basis of the above-mentioned embodiments, as an optional implementation manner, the suspension filling method further comprises:
[0046] determining the weight of the suspension in the liquid storage tank 10, and opening the first valve when the weight of the suspension in the liquid storage tank 10 is lower than the first stirring amount, so that the suspension in the liquid storage tank 10 is completely conveyed to the buffer tank 30 through the conveying pipeline 20;
[0047] when the weight of the suspension in the buffer tank 30 is lower than the second stirring amount, the length of time for continuing the filling (including the length of time for suspension) is not more than a preset length of time.
[0048] The first stirring amount is the minimum stirring amount of the liquid storage tank 10, and the second stirring amount is the minimum stirring amount of the buffer tank 30.
[0049] Therefore, when the weight of the suspension in the liquid storage tank 10 is lower than the first stirring amount during tail liquid filling, the suspension in the liquid storage tank 10 is completely conveyed to the buffer tank 30, which can reduce the waste of the suspension and is beneficial to reducing the cost. When the weight of the suspension in the buffer tank 30 is lower than the second stirring amount, the length of time for continuing the filling is not more than a preset length of time, which can prevent the suspension from settling and affecting the quality of the filling.
[0050] It should be noted that the preset time length is determined according to the sedimentation time of the microparticles in the suspension, wherein the sedimentation time is that, in a static state, the contents of the upper, middle and lower microparticles of the suspension at different time points are detected, and there is no obvious difference in the contents of the upper, middle and lower microparticles at a certain time point, but there is obvious difference at the next time point, and the time point is the sedimentation time.
[0051] On the basis of the above-mentioned embodiments, as an optional implementation manner, the suspension filling method further comprises:
[0052] determining the suspension filling system pause time length;
[0053] When the pause time length is greater than the preset time length, the suspension in the filling pipeline 40, the filling pump 50 and the filling needle 60 is emptied, and then the suspension in the buffer tank 30 is transported to the filling needle 60 for filling.
[0054] Therefore, when the non-normal shutdown or the pause time length exceeds the preset time length, the suspension in the filling pipeline 40, the filling pump 50 and the filling needle 60 may appear stratification phenomenon, the suspension in the filling pipeline 40, the filling pump 50 and the filling needle 60 is emptied, and then the suspension in the buffer tank 30 is transported to the filling needle 60 for normal filling or tail liquid filling, which can ensure the quality of filling and is beneficial to improve the qualified rate of filling.
[0055] In this embodiment, the suspension filling system pause time length can be determined by the timer.
[0056] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the present disclosure.
Claims
1. A suspension filling system characterized in that, The device comprises a liquid storage tank, a buffer tank, a filling pump and a filling needle, the buffer tank has a liquid inlet and a liquid outlet, the bottom of the liquid storage tank is connected with the liquid inlet of the buffer tank through a liquid conveying pipeline, the liquid outlet of the buffer tank is connected with the filling needle through a filling pipeline, and the filling pump is arranged on the filling pipeline. The bottom of the liquid storage tank is higher than the liquid inlet of the buffer tank, and the liquid conveying pipeline has an inclined slope, so that the suspension in the liquid conveying pipeline can flow into the buffer tank under the action of gravity. The liquid storage tank and the buffer tank are both provided with a stirrer, the liquid storage tank is provided with a first valve, the first valve is used for opening or closing the liquid storage tank, and the buffer tank comprises a first weighing assembly, the first weighing assembly is used for measuring the weight of the suspension in the buffer tank.
2. The suspension filling system of claim 1, wherein, The liquid conveying pipeline comprises at least one inclined section, the inclined section is inclined downward, the inclined section is connected with the bottom of the liquid storage tank through an arc-shaped transition, and / or the inclined section is connected with the liquid inlet of the buffer tank through an arc-shaped transition.
3. The suspension filling system of claim 1, wherein, The liquid conveying pipeline comprises at least one inclined section and at least one vertical section, the vertical section is connected with the bottom of the liquid storage tank and / or the liquid inlet of the buffer tank, the inclined section and the vertical section are connected through an arc-shaped transition, and / or the inclined section and the bottom of the liquid storage tank are connected through an arc-shaped transition, and / or the inclined section and the liquid inlet of the buffer tank are connected through an arc-shaped transition.
4. The suspension filling system of claim 1, wherein, The slope of the inclined section of the liquid conveying pipeline is 0.1% to 3%.
5. The suspension filling system of claim 1, wherein, The sum of a first stirring amount of the liquid storage tank and a second stirring amount of the buffer tank is not greater than the volume of the buffer tank, the first stirring amount is the minimum stirring amount of the liquid storage tank, and the second stirring amount is the minimum stirring amount of the buffer tank.
6. The suspension filling system of claim 1, wherein A second valve is arranged on the liquid conveying pipeline, the second valve is used for adjusting the flow rate of the suspension flowing into the buffer tank, the liquid inlet of the buffer tank is located above the maximum liquid level of the buffer tank, and the liquid inlet of the buffer tank is arranged close to the inner wall of the buffer tank.
7. The suspension filling system of claim 1, wherein A bottle conveying line is further arranged, a plurality of filling stations are arranged on the bottle conveying line, the number of the filling pipeline, the filling pump and the filling needle is the same as the number of the filling stations, the filling needle is arranged above the filling station one by one, and a second weighing assembly is arranged on the filling station.
8. The suspension filling system of claim 7, wherein, A controller is further arranged, and the liquid storage tank, the filling pump, the first weighing assembly, the second weighing assembly and the bottle conveying line are electrically connected with the controller.