Liquid metering device
Patent Information
- Application Number
- CN202521902199.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-03
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-09-03
AI Technical Summary
[0003]在目前的食品添加剂生产过程中,原料的投入主要依赖于工人人工将原料投入到用料设备中以制作食品添加剂,然而,原料的投放量主要依赖工人的个人经验来判断,但是依靠工人人工投入的方式,工人容易疲惫从而导致投料量的不稳定和偏差,尤其在长时间或高强度工作中更易出现偏差,这可能引起配方比例失衡,而且人工操作过程中易引入人为干扰,增加操作风险,效率低下
[0022] In this invention, liquid is output to a storage tank via an inlet pipe. A monitoring component is installed to prevent the injected liquid from exceeding the storage threshold of the storage tank. When a quantitative output of liquid is required, the liquid in the storage tank is output to a metering tank via a first outlet pipe. The metering tank is then metered by a first weighing sensor, and the liquid is output to an external material-using device via a second outlet pipe. The entire process is highly automated, improving production efficiency and reducing the labor intensity of workers. Furthermore, since both the inlet pipe and the first outlet pipe face the inner wall of the tank, flammable and explosive liquids flow down the tank wall, reducing static electricity generation and improving safety performance.
Smart Images

Figure CN224768488U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of liquid metering and feeding technology, specifically a liquid metering and feeding device. Background Technology
[0002] Food additives, as indispensable components in the food industry, are mainly used to improve the taste, color, and aroma of food, extend its shelf life, and ensure food safety. With the continuous improvement of modern food manufacturing techniques, the types and functions of food additives have become increasingly diverse, covering multiple categories such as preservatives, antioxidants, emulsifiers, thickeners, colorants, and sweeteners. However, the precise input of liquid raw materials is particularly important in the production of food additives.
[0003] In the current food additive production process, the input of raw materials mainly relies on workers to manually put the raw materials into the equipment to make food additives. However, the amount of raw materials to be added mainly depends on the workers' personal experience. However, relying on manual input can easily lead to worker fatigue, resulting in unstable and inaccurate input, especially during long hours or high-intensity work. This can cause imbalances in the formula ratio. Moreover, manual operation is prone to human interference, increasing operational risks and resulting in low efficiency. Utility Model Content
[0004] The purpose of this invention is to solve the above-mentioned problems and provide a liquid metering and feeding device. This device can quantitatively output liquid to external feeding equipment by setting a first weighing sensor on the metering tank. It also prevents the injected liquid from exceeding the storage threshold of the storage tank by setting a monitoring component. Moreover, the inlet pipe and the first outlet pipe are both facing the inner wall of the tank. In this way, some flammable and explosive liquids flow down the tank wall, which can reduce the generation of static electricity and improve safety performance.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A liquid metering and feeding device includes a storage tank, a metering tank, an inlet pipe and a first outlet pipe. One end of the inlet pipe is connected to an external feeding device, and the other end is located inside the storage tank and faces the inner wall of the storage tank. A first control valve is provided on the inlet pipe.
[0007] The storage tank is equipped with a monitoring component. When the external feeding device feeds material into the storage tank, the monitoring component monitors the material to prevent the amount of material fed into the storage tank from exceeding the storage threshold.
[0008] One end of the first discharge pipe is connected to the storage tank, and the other end is located inside the metering tank and faces the inner wall of the metering tank. The first discharge pipe is equipped with a second control valve. The metering tank is equipped with a first weighing sensor and a second discharge pipe. The second discharge pipe is connected to an external material-using device. The second discharge pipe is equipped with a third control valve.
[0009] In the aforementioned liquid metering and feeding device, the monitoring component includes a second weighing sensor installed on the storage tank.
[0010] In the aforementioned liquid metering and feeding device, the monitoring component further includes a tuning fork level switch installed on the storage tank.
[0011] In the above-mentioned liquid metering and feeding device, the first discharge pipe includes a first section and a second section that are interconnected.
[0012] One end of the first segment is connected to the bottom of the storage tank, and one end of the second segment is located inside the metering tank and faces the inner wall of the metering tank;
[0013] The second control valve is installed on the first section and the second section, and a maintenance valve is also installed on the first section.
[0014] In the above-mentioned liquid metering and feeding device, the second discharge pipe includes a first pipe and a second pipe that are interconnected. One end of the first pipe is connected to the bottom of the metering tank, and one end of the second pipe is connected to an external feeding device. The third control valve is disposed on the first pipe and the second pipe.
[0015] In the aforementioned liquid metering and feeding device, both the metering tank and the storage tank are equipped with breather valves at their tops.
[0016] In the above-mentioned liquid metering and feeding device, a first tray is provided below the storage tank, and the first tray is used to receive liquid dripping from the storage tank;
[0017] A second tray is provided below the metering tank, which is used to receive liquid dripping from the metering tank.
[0018] In the above-mentioned liquid metering and feeding device, the liquid metering and feeding device further includes a first branch pipe connected to the first discharge pipe. The first branch pipe is used to connect to an external metering tank, and a first valve is provided on the first branch pipe.
[0019] The liquid metering and feeding device described above also includes a second branch pipe connected to the first pipeline and a spraying mechanism for spraying the inside of the metering tank.
[0020] The spraying mechanism includes a spray pipe, one end of which is connected to an external water supply mechanism, and the other end is located inside a metering tank. One end of the spray pipe located inside the metering tank is provided with multiple spray balls, and a second valve is provided on the spray pipe; a third valve is provided on the second branch pipe.
[0021] Compared with the prior art, the beneficial effects of this utility model are:
[0022] In this invention, liquid is output to a storage tank via an inlet pipe. A monitoring component is installed to prevent the injected liquid from exceeding the storage threshold of the storage tank. When a quantitative output of liquid is required, the liquid in the storage tank is output to a metering tank via a first outlet pipe. The metering tank is then metered by a first weighing sensor, and the liquid is output to an external material-using device via a second outlet pipe. The entire process is highly automated, improving production efficiency and reducing the labor intensity of workers. Furthermore, since both the inlet pipe and the first outlet pipe face the inner wall of the tank, flammable and explosive liquids flow down the tank wall, reducing static electricity generation and improving safety performance. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the structure of a liquid metering and feeding device according to Embodiment 1;
[0024] The figure labels for each figure are as follows:
[0025] 1. Storage tank; 11. Monitoring component; 111. Second weighing sensor; 112. Tuning fork level switch; 2. Metering tank; 21. Second discharge pipe; 211. First pipeline; 222. Second pipeline; 22. First weighing sensor; 23. Third control valve; 3. Inlet pipe; 31. First control valve; 4. First discharge pipe; 41. First section; 42. Second section; 43. Second control valve; 44. Inspection valve; 5. First branch pipe; 51. First valve; 6. Second branch pipe; 61. Third valve; 7. First tray; 8. Spraying mechanism; 81. Spray pipe; 82. Spray ball; 83. Second valve; 9. Breathing valve; 101. Second tray. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1
[0028] refer to Figure 1A liquid metering and feeding device includes a storage tank 1, a metering tank 2, an inlet pipe 3 and a first outlet pipe 4. One end of the inlet pipe 3 is connected to an external feeding device, and the other end is located inside the storage tank 1 and faces the inner wall of the storage tank 1. A first control valve 31 is provided on the inlet pipe 3.
[0029] The storage tank 1 is equipped with a monitoring component 11. When the external feeding device feeds material into the storage tank 1, the monitoring component 11 monitors the material to prevent the amount of material fed from exceeding the storage threshold of the storage tank 1.
[0030] One end of the first discharge pipe 4 is connected to the storage tank 1, and the other end is located inside the metering tank 2 and faces the inner wall of the metering tank 2. The first discharge pipe 4 is provided with a second control valve 43. The metering tank 2 is provided with a first weighing sensor 22 and a second discharge pipe 21. The second discharge pipe 21 is connected to an external material-using device. The second discharge pipe 21 is provided with a third control valve 23.
[0031] In this design, when adding liquid to storage tank 1, the first control valve 31 on the inlet pipe 3 is opened, allowing the external feeding device to deliver the material into storage tank 1. Since the other end of the inlet pipe 3 is located inside storage tank 1 and faces the inner wall of storage tank 1, the liquid is first sprayed onto the inner wall of storage tank 1 and then flows from the inner wall to the bottom of storage tank 1. Furthermore, the monitoring component 11 prevents the amount of material added from exceeding the storage threshold of storage tank 1. To output the material from storage tank 1 to metering tank 2, the second control valve 43 on the first outlet pipe 4 is opened, allowing the liquid in storage tank 1 to flow freely. After passing through the first discharge pipe 4, the liquid will spray out towards the inner wall of the metering tank 2, and then flow down from the inner wall of the metering tank 2 to the bottom of the metering tank 2. After a certain amount of liquid is output into the metering tank 2, the second control valve 43 is closed, and then the third control valve 23 is opened. The liquid is weighed by the first weighing sensor 22 on the metering tank 2, and the previous external feeding equipment is used for quantitative feeding. In this way, quantitative feeding can be completed and the storage threshold of the storage tank 1 can be avoided when adding material to the storage tank 1. Moreover, the liquid inlet pipe 3 is facing the inner wall of the storage tank 1, and the first discharge pipe 4 is facing the inner wall of the metering tank 2, which can prevent the liquid from falling from a height and directly impacting the tank body.
[0032] The first weighing sensor 22, the first control valve 31, the second control valve 43, and the third control valve 23 are electrically connected to the external PLC system. The first control valve 31, the second control valve 43, and the third control valve 23 can also be opened manually. The PLC system for the external system is a PLC system well known to those skilled in the art. The electrical connection is an electrical connection well known to those skilled in the art, or it can be a wiring harness connection.
[0033] Preferably, the monitoring component 11 includes a second weighing sensor 111 disposed on the storage tank 1;
[0034] The monitoring component 11 also includes a tuning fork level switch 112 installed on the storage tank 1.
[0035] Specifically, the second weighing sensor 111 and the tuning fork level switch 112 are also electrically connected to the PLC system of the aforementioned peripherals. The second weighing sensor 111 is used to prevent the added liquid from being too heavy and to prevent the added liquid from exceeding the weight limit of the storage tank 1, while the tuning fork level switch 112 is used to prevent the added liquid from exceeding the preset liquid height of the storage tank 1.
[0036] In this embodiment, the first discharge pipe 4 includes a first section 41 and a second section 42 that are interconnected.
[0037] One end of the first segment 41 is connected to the bottom of the storage tank 1, and one end of the second segment 42 is located inside the metering tank 2 and faces the inner wall of the metering tank 2;
[0038] The second control valve 43 is disposed on the first section 41 and the second section 42, and the first section 41 is also provided with a maintenance valve 44.
[0039] Generally, when transferring liquid to metering tank 2, open the second control valve 43 of the first section 41 and the second section 42, so that the liquid will flow into metering tank 2. After a certain amount is added, close the second control valve 43. The maintenance valve 44 can be set up to facilitate the maintenance and repair of the pipeline.
[0040] In this embodiment, the second discharge pipe 21 includes a first pipe 211 and a second pipe 222 that are interconnected. One end of the first pipe 211 is connected to the bottom of the metering tank 2, and one end of the second pipe 222 is connected to an external feeding device. The third control valve 23 is disposed on the first pipe 211 and the second pipe 222. To discharge the liquid in the metering tank 2 to the external feeding device, the third control valve 23 on the first pipe 211 and the second pipe 222 is opened.
[0041] Preferably, both the metering tank 2 and the storage tank 1 are equipped with a breather valve 9 at their top. The breather valve 9 is used to maintain the pressure balance inside and outside the tank, preventing the equipment from deforming or breaking due to pressure fluctuations.
[0042] More preferably, a first tray 7 is located below the storage tank 1, the first tray 7 being used to receive liquid dripping from the storage tank 1;
[0043] The second tray 101 below the metering tank 2 is used to receive liquid dripping from the metering tank 2.
[0044] Specifically, setting up the first tray 7 and the second tray 101 is to prevent leakage and spread, reduce safety hazards, and ensure the safety of the production environment.
[0045] Preferably, the liquid metering and feeding device further includes a first branch pipe 5 connected to the first discharge pipe 4. The first branch pipe 5 is used to connect to an external metering tank 2, and a first valve 51 is provided on the first branch pipe 5. By setting the first branch pipe 5 connected to the first discharge pipe 4, liquid can be transported to two metering tanks 2 simultaneously.
[0046] More preferably, it also includes a second branch pipe 6 connected to the first pipe 211 and a spraying mechanism 8 for spraying the inside of the metering tank 2;
[0047] The spraying mechanism 8 includes a spray pipe 81, one end of which is connected to an external water supply mechanism, and the other end is located inside the metering tank 2. One end of the spray pipe 81 located inside the metering tank 2 is provided with multiple spray balls 82. A second valve 83 is provided on the spray pipe 81; a third valve 61 is provided on the second branch pipe 6.
[0048] Specifically, to facilitate the cleaning and maintenance of the metering tank 2, a spray mechanism 8 was added. During cleaning, the third control valve 23 of the second pipeline 222 is closed. The worker opens the second valve on the spray pipe 81, and water is sprayed out from the spray ball 82 after passing through the spray pipe 81 to clean the inner wall of the metering tank 2. After cleaning is completed, the second valve 83 is closed, and the third control valve 23 on the first pipeline 211 and the third valve 61 on the second branch pipe 6 are opened to allow the water to flow out.
[0049] Of course, the second branch pipe 6 can also be connected to the material feeding equipment of the external device. After the material feeding positioning of the external device connected to the second pipe 222 is completed, the third control valve 23 on the second pipe 222 is closed and the third valve 61 of the second branch pipe 6 is opened. This can speed up production efficiency.
[0050] The first valve 51, the second valve 83, and the third valve 61 are electrically connected to the PLC system of the aforementioned sensors and peripherals. The first valve 51, the second valve 83, and the third valve 61 can also be opened manually. The PLC system for the peripherals is a PLC system well known to those skilled in the art, and the electrical connection is an electrical connection well known to those skilled in the art, although it can also be a wiring harness connection.
[0051] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements or modifications can be made without departing from the principle of the present utility model, and these improvements or modifications should also be considered within the protection scope of the present utility model.
Claims
1. A liquid metering and dispensing device, characterized in that, It includes a storage tank, a metering tank, an inlet pipe and a first outlet pipe. One end of the inlet pipe is connected to an external feeding device, and the other end is located inside the storage tank and faces the inner wall of the storage tank. A first control valve is provided on the inlet pipe. The storage tank is equipped with a monitoring component. When the external feeding device feeds material into the storage tank, the monitoring component monitors the material to prevent the amount of material fed into the storage tank from exceeding the storage threshold. One end of the first discharge pipe is connected to the storage tank, and the other end is located inside the metering tank and faces the inner wall of the metering tank. The first discharge pipe is equipped with a second control valve. The metering tank is equipped with a first weighing sensor and a second discharge pipe. The second discharge pipe is connected to an external material receiving device. The second discharge pipe is equipped with a third control valve. The first discharge pipe includes a first section and a second section that are interconnected. One end of the first segment is connected to the bottom of the storage tank, and one end of the second segment is located inside the metering tank and faces the inner wall of the metering tank; The second control valve is installed on the first section and the second section, and a maintenance valve is also installed on the first section; A first tray is provided below the storage tank, and the first tray is used to receive liquid dripping from the storage tank; A second tray is provided below the metering tank, which is used to receive liquid dripping from the metering tank; It also includes a second branch pipe connected to the first pipeline and a spraying mechanism for spraying the inside of the metering tank; The spraying mechanism includes a spray pipe, one end of which is connected to an external water supply mechanism, and the other end is located inside a metering tank. One end of the spray pipe located inside the metering tank is provided with multiple spray balls, and a second valve is provided on the spray pipe; a third valve is provided on the second branch pipe.
2. The liquid metering and dispensing device according to claim 1, characterized in that, The monitoring component includes a second weighing sensor mounted on the storage tank.
3. The liquid metering and dispensing device according to claim 2, characterized in that, The monitoring component also includes a tuning fork level switch installed on the storage tank.
4. The liquid metering and dispensing device according to claim 1, characterized in that, The second discharge pipe includes a first pipe and a second pipe that are interconnected. One end of the first pipe is connected to the bottom of the metering tank, and one end of the second pipe is connected to an external material receiving device. The third control valve is located on the first pipe and the second pipe.
5. A liquid metering and dispensing device according to claim 1, characterized in that, Both the metering tank and the storage tank are equipped with breather valves on their tops.
6. A liquid metering and dispensing device according to claim 1, characterized in that, The liquid metering and feeding device also includes a first branch pipe connected to the first discharge pipe. The first branch pipe is used to connect to an external metering tank, and a first valve is provided on the first branch pipe.