Polyester auxiliary high-precision preparation and real-time monitoring device

Abstract

The utility model relates to the technical field of polyester production auxiliary preparation, especially to a kind of polyester auxiliary high-precision preparation and real-time monitoring device, including preparation tank, auxiliary storage tank, automatic feeding system, real-time monitoring system and control system, preparation tank is cylindrical structure, top is equipped with feed inlet, bottom is equipped with discharge port, preparation tank inside is equipped with first stirring mechanism;Auxiliary storage tank is multiple, and the discharge pipe is connected in each auxiliary storage tank bottom;Automatic feeding system includes weighing sensor and feeding pump;Real-time monitoring system includes temperature sensor, pressure sensor, liquid level sensor and auxiliary concentration sensor set on preparation tank;Control system includes main control unit and man-machine interface, the utility model has the following beneficial effects: through the combination of weighing sensor and feeding pump in auxiliary storage tank, the precision quantitative feeding of auxiliary agent is realized, and the precision of auxiliary preparation is improved.

Description

Technical Field

[0001] This utility model relates to the field of polyester production auxiliary agent formulation technology, and in particular to a high-precision formulation and real-time monitoring device for polyester auxiliary agents. Background Technology

[0002] In polyester production, the formulation and addition of auxiliaries such as catalysts and colorants have a significant impact on product quality and production efficiency. Traditional manual formulation methods suffer from large errors, low efficiency, and difficulty in precise control, easily leading to unstable product quality and increased production costs. Therefore, developing an intelligent and precise auxiliary formulation system is of significant practical importance.

[0003] Chinese patent CN217887870U discloses a fully automated continuous formulation system for excipients, published on November 25, 2022. This patent proposes improving feeding accuracy and formulation efficiency by incorporating equipment such as an automatic unpacking machine and a loss-in-weight scale. However, it does not mention real-time monitoring functionality, making it impossible to adjust the formulation process in real time.

[0004] The above problems indicate that existing technical solutions suffer from low automation, insufficient real-time monitoring capabilities, and low accuracy in the formulation of polyester auxiliaries. Utility Model Content

[0005] The purpose of this invention is to provide a high-precision formulation and real-time monitoring device for polyester auxiliaries, in order to overcome these shortcomings and provide a new solution that is more intelligent, accurate and adapted to the production needs of modern polyester industry.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a high-precision preparation and real-time monitoring device for polyester auxiliaries, comprising a preparation tank, an auxiliary storage tank, an automatic feeding system, a real-time monitoring system, and a control system.

[0007] The mixing tank has a cylindrical structure with a feed inlet at the top and a discharge outlet at the bottom. The mixing tank is equipped with a first stirring mechanism inside.

[0008] There are multiple excipient storage tanks, and each excipient storage tank is equipped with a discharge pipe at the bottom. The discharge pipe is connected to the inlet through a solenoid valve.

[0009] The automatic feeding system includes a weighing sensor and a feeding pump. The weighing sensor is installed at the bottom of the auxiliary agent storage tank, and the feeding pump is installed on the discharge pipe.

[0010] The real-time monitoring system includes temperature sensors, pressure sensors, liquid level sensors, and auxiliary agent concentration sensors installed on the preparation tank;

[0011] The control system includes a main controller and a human-machine interface. The main controller is electrically connected to a temperature sensor, a pressure sensor, a liquid level sensor, an auxiliary agent concentration sensor, a solenoid valve, a feeding pump, and a first stirring mechanism. The human-machine interface is electrically connected to the main controller.

[0012] Preferably, the first stirring mechanism includes a first motor, a first stirring shaft, and a first stirring blade. The first motor is installed on the top of the preparation tank, the lower end of the first stirring shaft passes through the top of the preparation tank and is rotatably connected to it, the first stirring blade is installed on the lower end of the first stirring shaft, a first sealing ring is provided at the connection between the first stirring shaft and the top of the preparation tank, and the first stirring blade is arranged in multiple layers in an alternating pattern.

[0013] Preferably, the auxiliary agent storage tank is equipped with a second stirring mechanism, which includes a second motor, a second stirring shaft, and a second stirring blade. The second motor is installed on the top of the auxiliary agent storage tank, the lower end of the second stirring shaft passes through the top of the auxiliary agent storage tank and is rotatably connected to it, the second stirring blade is installed on the lower end of the second stirring shaft, a second sealing ring is provided at the connection between the second stirring shaft and the top of the auxiliary agent storage tank, and the second stirring blade is arranged in multiple layers in an alternating pattern.

[0014] Preferably, the weighing sensor is installed between the bottom of the excipient storage tank and the discharge pipe, and is fixedly connected to the bottom of the excipient storage tank by a bracket. The weighing sensor is electrically connected to the main controller to monitor the dosage of excipients in the storage tank in real time. The feeding pump is a metering pump, installed on the discharge pipe, and electrically connected to the main controller.

[0015] Preferably, the temperature sensor, pressure sensor, and liquid level sensor are installed at the top, middle, and bottom of the inner wall of the preparation tank, respectively.

[0016] Preferably, the solenoid valve is a fast-switching valve that controls the timing and speed of adding the auxiliary agent according to the instructions of the main controller.

[0017] Preferably, the human-machine interface is equipped with operation buttons, a display interface, and alarm prompts.

[0018] In summary, this utility model has the following beneficial effects:

[0019] 1. By combining the weighing sensor and the feeding pump in the excipient storage tank, precise quantitative feeding of excipients is achieved, improving the accuracy of excipient preparation;

[0020] 2. The temperature, pressure, liquid level and excipient concentration in the preparation tank are monitored in real time through a real-time monitoring system to ensure the stability and reliability of the excipient preparation process;

[0021] 3. By automatically adjusting the feeding amount and stirring speed through the control system, the preparation of auxiliary agents is made intelligent and automated, which improves production efficiency and reduces errors and labor intensity caused by manual operation. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of an embodiment.

[0023] In the diagram, 1. Preparation tank; 2. Inlet; 3. Outlet; 4. First stirring mechanism; 5. First motor; 6. First stirring shaft; 7. First stirring blade; 8. Excipient storage tank; 9. Discharge pipe; 10. Solenoid valve; 11. Weighing sensor; 12. Feed pump; 13. Temperature sensor; 14. Pressure sensor; 15. Liquid level sensor; 16. Excipient concentration sensor; 17. Main controller; 18. Human-machine interface; 19. First sealing ring; 20. Second stirring mechanism; 21. Second motor; 22. Second stirring shaft; 23. Second stirring blade; 24. Second sealing ring. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0026] Example:

[0027] This utility model provides a high-precision formulation and real-time monitoring device for polyester auxiliaries, which mainly includes a formulation tank, an auxiliary storage tank, an automatic feeding system, a real-time monitoring system, and a control system.

[0028] like Figure 1 As shown, the preparation tank 1 has a cylindrical structure with a feed inlet 2 at the top and a discharge outlet 3 at the bottom. The preparation tank 1 is equipped with a first stirring mechanism 4, which is used to uniformly mix the added excipients.

[0029] The first stirring mechanism 4 includes a first motor 5, a first stirring shaft 6, and first stirring blades 7. The first motor 5 is mounted on the top of the preparation tank 1. The lower end of the first stirring shaft 6 passes through the top of the preparation tank 1 and is rotatably connected to it. A first sealing ring 19 is provided at the connection between the first stirring shaft 6 and the top of the preparation tank 1 to prevent liquid leakage. The first stirring blades 7 are mounted on the lower end of the first stirring shaft 6 and are arranged in multiple staggered layers to improve the mixing effect.

[0030] Each excipient storage tank 8 has a discharge pipe 9 at its bottom, which is connected to the inlet 2 of the preparation tank 1 via a solenoid valve 10. The excipient storage tank 8 has a second stirring mechanism 20 inside, including a second motor 21, a second stirring shaft 22, and second stirring blades 23. The second motor 21 is mounted on the top of the excipient storage tank 8. The lower end of the second stirring shaft 22 passes through the top of the excipient storage tank 8 and is rotatably connected to it. A second sealing ring 24 is also provided at the connection between the second stirring shaft 22 and the top of the excipient storage tank 8 to prevent liquid leakage. The second stirring blades 23 are mounted on the lower end of the second stirring shaft 22 and are arranged in a multi-layered, staggered pattern to improve the mixing effect and ensure the uniformity and stability of the excipients.

[0031] The automatic feeding system includes a weighing sensor 11 and a feeding pump 12. The weighing sensor 11 is installed between the bottom of the excipient storage tank 8 and the discharge pipe 9, and is fixedly connected to the bottom of the excipient storage tank 8 via a bracket. The weighing sensor 11 is electrically connected to the main controller 17 to monitor the dosage of excipients in the excipient storage tank 8 in real time. The feeding pump 12 is a metering pump, installed on the discharge pipe 9, and electrically connected to the main controller 17, controlling the feeding amount based on the feedback signal from the weighing sensor 11.

[0032] The real-time monitoring system includes a temperature sensor 13, a pressure sensor 14, a liquid level sensor 15, and an excipient concentration sensor 16. The temperature sensor 13, pressure sensor 14, and liquid level sensor 15 are respectively installed at the top, middle, and bottom of the inner wall of the preparation tank 1. The excipient concentration sensor 16 is installed on the preparation tank 1 and electrically connected to the main controller 17, monitoring the temperature, pressure, liquid level, and excipient concentration within the preparation tank 1 in real time. The excipient concentration sensor 16 uses ultraviolet-visible spectroscopy to detect the excipient concentration, offering high accuracy and fast response.

[0033] The control system includes a main controller 17 and a human-machine interface 18. The main controller 17 is electrically connected to various sensors (temperature sensor 13, pressure sensor 14, liquid level sensor 15, and auxiliary agent concentration sensor 16), solenoid valve 10, feed pump 12, and the first stirring mechanism 4 (motor 5, stirring shaft 6, and stirring blades 7) to adjust the feed rate and stirring speed based on real-time monitoring data, ensuring the accuracy and stability of the auxiliary agent preparation. The human-machine interface 18 is a touchscreen, installed outside the preparation tank 1, and electrically connected to the main controller 17, providing an interactive interface for operators. The human-machine interface features operation buttons, a display screen, and alarm prompts. Operators can use the human-machine interface 18 to view various parameters within the preparation tank 1 in real time and perform manual or automatic control.

Claims

1. A device for high-precision formulation and real-time monitoring of polyester auxiliaries, characterized in that, It includes a preparation tank (1), an auxiliary agent storage tank (8), an automatic feeding system, a real-time monitoring system, and a control system. The preparation tank (1) has a cylindrical structure with a feed inlet (2) at the top and a discharge outlet (3) at the bottom. The preparation tank (1) is equipped with a first stirring mechanism (4). There are multiple excipient storage tanks (8), and each excipient storage tank (8) is equipped with a discharge pipe (9) at the bottom. The discharge pipe (9) is connected to the inlet (2) through a solenoid valve (10). The automatic feeding system includes a weighing sensor (11) and a feeding pump (12). The weighing sensor (11) is installed at the bottom of the auxiliary agent storage tank (8), and the feeding pump (12) is installed on the discharge pipe (9). The real-time monitoring system includes a temperature sensor (13), a pressure sensor (14), a liquid level sensor (15), and an auxiliary agent concentration sensor (16) installed on the preparation tank (1); The control system includes a main controller (17) and a human-machine interface (18). The main controller (17) is electrically connected to a temperature sensor (13), a pressure sensor (14), a liquid level sensor (15), an auxiliary agent concentration sensor (16), a solenoid valve (10), a feed pump (12), and a first stirring mechanism (4). The human-machine interface (18) is electrically connected to the main controller (17).

2. The high-precision formulation and real-time monitoring device for polyester auxiliaries according to claim 1, characterized in that, The first stirring mechanism (4) includes a first motor (5), a first stirring shaft (6) and a first stirring blade (7). The first motor (5) is installed on the top of the preparation tank (1). The lower end of the first stirring shaft (6) passes through the top of the preparation tank (1) and is rotatably connected to it. The first stirring blade (7) is installed on the lower end of the first stirring shaft (6). A first sealing ring (19) is provided at the connection between the first stirring shaft (6) and the top of the preparation tank (1). The first stirring blade (7) is arranged in multiple layers in an alternating pattern.

3. The high-precision formulation and real-time monitoring device for polyester auxiliaries according to claim 1, characterized in that, The auxiliary agent storage tank (8) is equipped with a second stirring mechanism (20). The second stirring mechanism (20) includes a second motor (21), a second stirring shaft (22), and a second stirring blade (23). The second motor (21) is installed on the top of the auxiliary agent storage tank (8). The lower end of the second stirring shaft (22) passes through the top of the auxiliary agent storage tank (8) and is rotatably connected to it. The second stirring blade (23) is installed on the lower end of the second stirring shaft (22). A second sealing ring (24) is provided at the connection between the second stirring shaft (22) and the top of the auxiliary agent storage tank (8). The second stirring blade (23) is arranged in multiple layers.

4. The high-precision formulation and real-time monitoring device for polyester auxiliaries according to claim 1, characterized in that, The weighing sensor (11) is installed between the bottom of the auxiliary agent storage tank (8) and the discharge pipe (9). It is fixedly connected to the bottom of the auxiliary agent storage tank (8) through a bracket. The weighing sensor (11) is electrically connected to the main controller (17) to monitor the dosage of auxiliary agent in the auxiliary agent storage tank (8) in real time. The feeding pump (12) is a metering pump, which is installed on the discharge pipe (9) and electrically connected to the main controller (17).

5. The high-precision formulation and real-time monitoring device for polyester auxiliaries according to claim 1, characterized in that, Temperature sensor (13), pressure sensor (14) and liquid level sensor (15) are respectively installed at the top, middle and bottom of the inner wall of the preparation tank (1).

6. The high-precision formulation and real-time monitoring device for polyester auxiliaries according to claim 1, characterized in that, The solenoid valve (10) is a fast-switching valve that controls the timing and speed of adding the auxiliary agent according to the instructions of the main controller (17).

7. The high-precision formulation and real-time monitoring device for polyester auxiliaries according to claim 1, characterized in that, The human-machine interface (18) is equipped with operation buttons, display interface and alarm prompts.

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