Full-automatic mixing and stirring system

Abstract

The utility model discloses a full-automatic mixing and stirring system which comprises a premixing unit, a mixing unit, a stirring unit and a stirring unit, the mixing unit is arranged below the premixing unit in a communicating manner, and a feed liquid backflow device is further arranged in the mixing unit; the PLC control unit is used for controlling the operation of the premixing unit and the mixing unit, and the PLC control unit is also provided with communication fault alarm, overtemperature alarm, overpressure alarm, overpressure linkage, overpressure and overtemperature linkage shutdown and sudden stop functions; and the liquid receiving unit is used for receiving the mixed material liquid in the mixing unit. According to the full-automatic mixing and stirring system designed by the utility model, except that the feeding into the premixing tank is manually operated for the first time, the whole process from the later mixing and stirring process to the final discharging process can be automatically and integrally operated and controlled by utilizing the PLC control unit, and the full-automatic mixing and stirring system is high in automation degree and less in required manual operation process, so that the production efficiency is high, and the production cost is low. And the manual labor intensity is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to mixing stirring technical field, concretely relates to a full -automatic mixing stirring system. BACKGROUND

[0002] Mixing stirring process is a kind of commonly used industrial production process of preparing mixed liquid, the process is using mixing stirring system to carry out the full mixing of different materials, to realize the process of uniform dispersion and mixing of material, this process has been widely used in pharmaceutical, chemical, food and other industries, and it has important influence on product quality and production efficiency.

[0003] Therefore, mixing stirring system is very critical for mixing stirring process, however, the current mixing stirring system generally has more manual operation process, and the automation degree is not high, therefore, this leads to the production efficiency of existing mixing stirring system cannot be guaranteed, and the problems of low production efficiency and high manual labor intensity. UTILITY MODEL CONTENTS

[0004] The utility model is aimed at: the current existing mixing stirring system has more manual operation process, and the automation degree is not high, and a full -automatic mixing stirring system is designed, to solve the above problems.

[0005] To achieve the above object, the utility model is realized by following technical scheme:

[0006] The utility model designs a full -automatic mixing stirring system, and the stirring system includes:

[0007] Premix unit is used to provide premix liquid formed by premixing to mixing unit;

[0008] Mixing unit is communicated and arranged below premix unit, and material liquid reflux device is further arranged in mixing unit.

[0009] PLC control unit is used to control the operation of premix unit and mixing unit, and PLC control unit is further provided with communication fault alarm, overtemperature alarm, overpressure alarm, overpressure linkage, overpressure overtemperature linkage shutdown and emergency stop function;

[0010] And liquid receiving unit is used to receive material liquid completed mixing in mixing unit.

[0011] Specifically, liquid receiving unit receives mixed material liquid from material liquid reflux device.

[0012] Further, a full-automatic mixing and stirring system, the premixing unit comprises a premixing tank, a premixing tank stirring device, a premixing tank thermometer and a pneumatic bottom valve; wherein the top of the premixing tank is provided with a premixing tank stirring port, a premixing tank temperature measuring port, a premixing tank water inlet and a premixing tank feed inlet; the premixing tank stirring device is arranged in the premixing tank through the premixing tank stirring port, and the premixing tank thermometer is arranged in the premixing tank through the premixing tank temperature measuring port; the bottom of the premixing tank is provided with a premixing liquid connector for communicating with the mixing unit, and the pneumatic bottom valve is arranged in the premixing liquid connector to realize the discharge by using the pneumatic form.

[0013] Further, a full-automatic mixing and stirring system, the premixing unit comprises a premixing tank, a premixing tank stirring device, a premixing tank thermometer and a pneumatic bottom valve; wherein the top of the premixing tank is provided with a premixing tank stirring port, a premixing tank temperature measuring port, a premixing tank water inlet and a premixing tank feed inlet; the premixing tank stirring device is arranged in the premixing tank through the premixing tank stirring port, and the premixing tank thermometer is arranged in the premixing tank through the premixing tank temperature measuring port; the bottom of the premixing tank is provided with a premixing liquid connector for communicating with the mixing unit, and the pneumatic bottom valve is arranged in the premixing liquid connector to realize the discharge by using the pneumatic form.

[0014] Preferably, the premixing liquid connector is designed in the form of a clamping sleeve, which is convenient to assemble and disassemble.

[0015] Further, a full-automatic mixing and stirring system, the premixing unit comprises a premixing tank, a premixing tank stirring device, a premixing tank thermometer and a pneumatic bottom valve; wherein the top of the premixing tank is provided with a premixing tank stirring port, a premixing tank temperature measuring port, a premixing tank water inlet and a premixing tank feed inlet; the premixing tank stirring device is arranged in the premixing tank through the premixing tank stirring port, and the premixing tank thermometer is arranged in the premixing tank through the premixing tank temperature measuring port; the bottom of the premixing tank is provided with a premixing liquid connector for communicating with the mixing unit, and the pneumatic bottom valve is arranged in the premixing liquid connector to realize the discharge by using the pneumatic form.

[0016] Further, a full-automatic mixing and stirring system, the premixing unit comprises a premixing tank, a premixing tank stirring device, a premixing tank thermometer and a pneumatic bottom valve; wherein the top of the premixing tank is provided with a premixing tank stirring port, a premixing tank temperature measuring port, a premixing tank water inlet and a premixing tank feed inlet; the premixing tank stirring device is arranged in the premixing tank through the premixing tank stirring port, and the premixing tank thermometer is arranged in the premixing tank through the premixing tank temperature measuring port; the bottom of the premixing tank is provided with a premixing liquid connector for communicating with the mixing unit, and the pneumatic bottom valve is arranged in the premixing liquid connector to realize the discharge by using the pneumatic form.

[0017] Specifically, the mixing tank is connected to a vacuum source through a vacuum valve, and the vacuum pressure gauge can feedback pressure signal to avoid the failure of the vacuum source.

[0018] Further, a full-automatic mixing and stirring system, the premixing unit and the mixing unit further comprise a light shield cover respectively to cope with the photosensitive properties of the materials to be mixed; the premixing unit and the mixing unit are further provided with heating jackets respectively to heat the liquid in the premixing tank and the mixing tank.

[0019] Further, a full-automatic mixing and stirring system, the premixing unit and the mixing unit further comprise a light shield cover respectively to cope with the photosensitive properties of the materials to be mixed; the premixing unit and the mixing unit are further provided with heating jackets respectively to heat the liquid in the premixing tank and the mixing tank.

[0020] Further, the automatic mixing and stirring system comprises a buffer unit, a mixing unit, a liquid receiving unit and a PLC control unit.

[0021] The buffer tank is provided with a water inlet, two liquid level probes and a water outlet.

[0022] Further, the automatic mixing and stirring system comprises a buffer unit, a mixing unit, a liquid receiving unit and a PLC control unit.

[0023] Further, the automatic mixing and stirring system comprises a buffer unit, a mixing unit, a liquid receiving unit and a PLC control unit.

[0024] Specifically, the PLC control unit is used for controlling the stirring start time, stirring time length, stirring speed, heating sleeve start time, heating time length and heating temperature of the premixing unit, and is used for controlling the opening and closing time and working time length of the vacuum valve and the emptying valve, the stirring start time, stirring time length and stirring speed, the start time, working time length and liquid transmission rate of the liquid backflow device in the mixing unit.

[0025] Specifically, the liquid backflow device and the water supply device are both set as peristaltic pumps.

[0026] This fully automatic mixing system comprises a buffer tank, a premixing tank, a mixing tank, two peristaltic pumps, a movable filling platform, a movable foot pedal, and a PLC control system. To address the photosensitive nature of the materials to be mixed, a light-shielding cover is installed to protect the premixing and mixing tanks from light. Therefore, the entire mixing process is largely unattended and operates in a black box manner. Except for the initial feeding into the premixing tank and the final discharging and filling into the mixing tank, which require manual operation, all other stages can be automated and integrated with relevant safety measures. The entire mixing system, including the control interface, is located on-site. The buffer tank provides a metered supply of water to the premixing tank, including dissolving and rinsing water. The premixing tank provides the mixing tank with the premixed material (premixed liquid). The liquid return device (peristaltic pump) circulates the liquid in the mixing tank, improving the mixing effect. The user site needs to be equipped with a compressed air source and a vacuum source, which, after being connected to a vacuum valve, will evacuate the mixing tank, thereby providing vacuum pressure for the discharge of the premixed liquid from the premixing tank. The control system can integrate and control the entire process flow and monitor temperature and pressure. Specifically, in the mixing and stirring system of this utility model, all materials in contact with the solvent and materials are resistant to acids, alkalis, and strong oxidation, and do not introduce metal ions. These materials include, but are not limited to, high borosilicate glass, polytetrafluoroethylene, perfluoroether, and silica gel.

[0027] The fully automatic mixing and stirring system designed in this utility model can achieve the following functions: ① Buffer tank: start and stop of water inlet and outlet; ② Premixing tank: start and stop of stirring, stirring duration and speed, start and stop of pneumatic bottom valve and working duration, number of cycles, start and stop of heating jacket, working duration and temperature; ③ Mixing tank: start and stop of stirring, stirring duration and speed, start and stop of vacuum valve and vent valve and working duration, start and stop of heating jacket, working duration and temperature; ④ Peristaltic pump: start and stop of conveying, working duration and liquid transfer rate; ⑤ Alarm linkage: communication failure alarm, over-temperature alarm, over-pressure alarm, over-pressure linkage, over-pressure and over-temperature linkage shutdown; ⑥ Emergency stop; ⑦ Automated centralized control: all the above control points and process parameters can be manually operated and set, and the control points can be sorted by time point to form a multi-step automated process flow, and stored as multiple process formulas, which can be quickly retrieved and switched and started with one click.

[0028] The beneficial effects of this utility model are:

[0029] (1) The fully automatic mixing and stirring system designed in this utility model can be automatically integrated and controlled by the PLC control unit, except for the initial feeding of materials into the premixing tank which is manually operated. The subsequent mixing and stirring process until the final discharge can be automated and integrated. It has a high degree of automation, requires less manual operation, and therefore has high production efficiency and low labor intensity.

[0030] (2) The full-automatic mixing and stirring system of the utility model is additionally provided with a vacuum port, so that the mixing tank is connected with a vacuum source through a vacuum valve; this design can pre-depressurize the mixing tank through the vacuum source and the vacuum valve before the premixing tank is stirred, and after the pneumatic bottom valve in the premixing tank is opened, the premixing liquid in the premixing tank can be efficiently pumped and filtered into the mixing tank, so that the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0032] Fig. 1 The structure schematic diagram of a full-automatic mixing and stirring system designed for the embodiment 1 of the utility model is shown in the figure.

[0033] Fig. 2 The structure schematic diagram of the top of the buffer tank in the embodiment 1 is shown in the figure.

[0034] Fig. 3 The structure schematic diagram of a premixing unit in the embodiment 1 of the utility model is shown in the figure.

[0035] Fig. 4 The structure schematic diagram of a premixing tank is shown in the figure.

[0036] Fig. 5 The structure schematic diagram of a mixing unit in the embodiment 1 of the utility model is shown in the figure.

[0037] Fig. 6 The structure schematic diagram of a mixing tank is shown in the figure.

[0038] Marked in the figure: 1-premix unit, 2-mixing unit, 3-PLC control unit, 4-liquid receiving unit, 5-buffer unit, 6-mobile filling platform, 7-mobile foot pedal, 11-premix tank, 12-premix tank stirring device, 13-premix tank thermometer, 14-pneumatic bottom valve, 111-premix tank stirring port, 112-premix tank temperature measuring port, 113-premix tank water inlet, 114-premix tank feed inlet, 115-premix liquid connector, 116-clamp slot, 21-mixing tank, 22-mixing tank stirring device, 23-mixing tank thermometer, 24-liquid backflow device, 25-vacuum valve, 26-vacuum pressure gauge, 27-emptying valve, 211-mixing tank stirring port, 212-mixing tank temperature measuring port, 213-premix liquid inlet, 214-mixing tank feed inlet, 215-backflow port, 216-vacuum port, 217-emptying port, 218-liquid outlet, 51-buffer tank, 52-liquid level probe, 53-water supply device, 54-water inlet valve, 511-buffer tank water inlet, 512-liquid level probe port, 513-buffer tank water outlet. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "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", "second" can be explicitly or implicitly included one or more features. Moreover, the terms "first", "second" and the like are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0041] Example 1

[0042] As Figs. 1-6 shown in the embodiment 1, a full-automatic mixing and stirring system is designed, which comprises:

[0043] a buffer unit 5 for providing quantitative water feeding for the premixing unit 1, the buffer unit 5 comprising a 30L buffer tank 51, two liquid level probes 52, a water feeding device 53 (adopting a peristaltic pump) and a stainless steel electromagnetic water inlet valve 54, the top of the buffer tank 51 being provided with a buffer tank water inlet 511 and two liquid level probe ports 512, and the bottom of the buffer tank 51 being provided with a buffer tank water outlet 513; the water inlet valve 54 is arranged in the buffer tank water inlet 511, and the two liquid level probes 52 are arranged in the buffer tank 51 through the liquid level probe ports 512 and are arranged in high and low positions;

[0044] a premixing unit 1 for providing premixing liquid to the mixing unit 2, the premixing unit comprising a 10L premixing tank 11, a premixing tank stirring device 12, a premixing tank temperature gauge 13 and a pneumatic bottom valve 14; the top of the premixing tank 11 is provided with a premixing tank stirring port 111, a premixing tank temperature measuring port 112, a premixing tank water inlet 113 and a premixing tank material inlet 114, the premixing tank stirring device 12 is arranged in the premixing tank 11 through the premixing tank stirring port 111, the premixing tank temperature gauge 13 is arranged in the premixing tank 11 through the premixing tank temperature measuring port 112, the bottom of the premixing tank 11 is provided with a premixing liquid connector 115 for communication with the mixing unit 2, and the premixing liquid connector 115 is provided with a clamping groove 116, a filter is arranged in the premixing liquid connector 115 for filtering impurities in the premixing liquid, and the pneumatic bottom valve 14 is arranged in the premixing liquid connector 115 to realize the use of pneumatic form for discharging, and the water feeding device 53 is in communication with the buffer tank water outlet 513 and the premixing tank water inlet 113; the premixing unit 1 further comprises a light shield and a heating jacket, the light shield is used to cope with the photosensitive properties of the material to be mixed, and the heating jacket is used to heat the liquid in the premixing tank 11;

[0045] A mixing unit 2 is arranged below the premixing unit 1, and the mixing unit 2 comprises a 250L mixing tank 21, a mixing tank stirring device 22, a mixing tank temperature gauge 23, a liquid backflow device 24, and a vacuum valve 25. The top of the mixing tank 21 is provided with a mixing tank stirring port 211, a mixing tank temperature measuring port 212, a premix liquid inlet 213, a mixing tank feed port 214, a backflow port 215, a vacuum port 216, and a discharge port 217. The bottom of the mixing tank 21 is provided with a liquid outlet 218. The mixing tank stirring device 22 is arranged in the mixing tank 21 through the mixing tank stirring port 211. The mixing tank temperature gauge 23 is arranged in the mixing tank 21 through the mixing tank temperature measuring port 212. The premix liquid inlet 213 is in communication with the premix liquid connector 115. The liquid backflow device 24 (optionally a peristaltic pump) is arranged outside the mixing tank 21 and is in communication with the backflow port 215 and the liquid outlet 218 through a pipeline (optionally a silica gel pipeline). The vacuum valve 25 is in communication with the vacuum port 216, and a vacuum pressure gauge 26 is arranged in the vacuum port 216. A discharge valve 27 is arranged in the discharge port 217. The mixing unit 2 further comprises a light shield and a heating jacket. The light shield is used to cope with the photosensitive properties of the materials to be mixed. The heating jacket is used to heat the liquid in the mixing tank 21.

[0046] A PLC control unit 3 is used to control the operation of the buffer unit 5, the premixing unit 1, and the mixing unit 2. The PLC control unit 3 is also provided with communication fault alarm, over-temperature alarm, over-pressure alarm, over-pressure linkage, over-pressure and over-temperature linkage shutdown, and emergency stop functions.

[0047] A liquid receiving unit 4 is used to receive the mixed liquid in the mixing unit 2.

[0048] A mobile filling platform 6 is used to receive the mixed liquid in the mixing unit 2.

[0049] A mobile foot pedal 7 is used when feeding the premix tank feed port 114 to a high position. This process is manually operated.

[0050] Specifically, the PLC control unit 3 in the first embodiment can be used to control the stirring start time, stirring time length, stirring speed of the premix tank stirring device 12 in the premixing unit 1, control the start time, heating time length, and heating temperature of the heating jacket; and be used to control the opening and closing time and working time length of the vacuum valve 25 and the discharge valve 27, the start time, stirring time length, and stirring speed of the mixing tank stirring device 22, the start time, working time length, and liquid transmission rate of the liquid backflow device 24 in the mixing unit 2. At the same time, the PLC control unit 3 is also used to control the opening and closing of the water inlet valve 54, the start time, water supply time length, and water supply rate of the water supply device (peristaltic pump) 53 in the buffer unit 5.

[0051] Specifically, the design idea of the above embodiment 1 is that: since the on-site water source does not have a metering function, a buffer tank 51 is designed to provide quantitative water feeding for the premix tank 11. The on-site water source is controlled by an electromagnetic water inlet valve 54 at the top of the buffer tank 51, and the opening and closing signals are provided by two liquid level probes, so as to ensure that the water level of the buffer tank 51 is always between the high and low levels. The water outlet of the buffer tank 51 is realized by a water supply device 53 (peristaltic pump), which can realize quantitative water feeding, and the maximum feeding rate of the peristaltic pump is 3000 ml / min. At the same time, the water outlet 513 of the buffer tank 51 is located at the bottom of the tank, so as to ensure that the buffer tank 51 can be completely drained;

[0052] The material of the premix tank 11 in embodiment 1 can be high borosilicate glass, which is provided with four ports at the top, namely a premix tank stirring port 111, a premix tank temperature measuring port 112, a premix tank water inlet port 113, and a premix tank feed inlet port 114. The bottom of the premix tank 11 is provided with a pneumatic downward-expanding bottom valve 14. The premix tank stirring port 111 is configured with a 120W stirring motor (premix tank stirring device 12), and the stirring rate is 50-400 rpm. A polytetrafluoroethylene propeller is used. The premix tank feed inlet port 114 can be configured with a blind plate, the premix tank water inlet port 113 is configured with a water inlet nozzle, and the premix tank temperature measuring port 112 is configured with a PT100 temperature measuring probe. Since the premix tank 11 is arranged at a high position, a movable foot pedal 7 (500mm*900mm*900mm high) is arranged for convenient feeding. The pneumatic bottom valve 14 uses a pneumatic downward-expanding valve, which can minimize the stirring dead volume and use pneumatic form to unload. The premix liquid connector 115 uses a clamp type, which is convenient to assemble and disassemble. The system of embodiment 1 can be provided with a circulating premix, that is, after completing the first premix, the premix step can be repeated to realize the cleaning and mixing of the premix and multiple liquid feeding of the mixing tank. The heating jacket arranged on the premix tank 11 can be used for heating the liquid in the premix tank 11, and the temperature control interval is 20-150℃;

[0053] The material of the mixing tank 21 in embodiment 1 can be high borosilicate glass, and the top of the mixing tank 21 is provided with seven ports, which are a mixing tank stirring port 211, a mixing tank temperature measuring port 212, a premix liquid inlet 213, a mixing tank feed inlet 214, a reflux port 215, a vacuum port 216 and a emptying port 217; the bottom of the mixing tank 21 is provided with a liquid outlet 218, and a manual valve is arranged in the liquid outlet 218; a 400W stirring motor (a mixing tank stirring device 22) is arranged in the mixing tank stirring port 211, and the stirring rate of the stirring motor is 50-200 rpm, and a three-layer polytetrafluoroethylene propeller stirring paddle is used; the mixing tank feed inlet 214 is provided with a blind plate, the premix liquid inlet 213 is connected with the premix liquid joint 115 on the premix tank 11 through a silica gel pipeline, and the premix liquid joint 115 is in a clamping sleeve type, so that the premix liquid joint 115 is convenient to assemble and disassemble; the liquid reflux device 24 (a peristaltic pump) is connected with the reflux port 215 and the liquid outlet 218 through a silica gel pipeline, the maximum feeding rate of the peristaltic pump 24 is 3000 ml / min, the vacuum port 216 is provided with a pressure gauge 26 and a vacuum valve 25, the vacuum valve 25 is connected with a vacuum source on site, the emptying port 217 is provided with an electromagnetic emptying valve 27, and the mixing tank temperature measuring port 212 is provided with a PT100 temperature measuring meter; the mixing tank 21 is connected with the vacuum source through the vacuum valve 25, and the pressure signal is fed back through the pressure gauge 26, so that the failure of the vacuum source is avoided; before the premix tank 11 is stirred, the mixing tank 21 can be pre-decompressed, and efficient suction filtration can be realized after the bottom valve 14 of the premix tank 11 is opened; the liquid in the mixing tank 21 is circulated through the peristaltic pump 24, so that better mixing effect is realized; if the mixing tank 21 needs to be heated, the emptying valve 27 can be opened, so that the pressure in the mixing tank 21 is safe; a heating jacket is arranged on the mixing tank 21, and the heating jacket can be used for heating the liquid in the mixing tank 21, and the temperature control interval is 20-150 DEG C; after the liquid in the mixing tank 21 is mixed, the pipeline of the liquid reflux device 24 (the peristaltic pump) can be manually disconnected and connected with a liquid receiving unit (a liquid receiving bottle) 4, the liquid transmission rate and the single working time of the peristaltic pump 24 can be set, so that a single fixed filling amount is matched, for example, the liquid transmission rate is 3000 ml / min, the single working time is 10 seconds, and then the single matching filling amount is 500 ml = 3000 ml / min*10 s; through the opening and closing of the peristaltic pump 24 each time, the filling amount each time is fixed, so that the trouble of manually observing the filling liquid level is avoided, and in addition, the stirring system of embodiment 1 is also provided with a movable filling platform 6 with a size of 400 mm*1000 mm*800 mm (height), so that manual operation is facilitated.

[0054] The above is only used for explaining the utility model, and is not used for limiting the utility model. Any obvious changes or changes derived from the technical scheme of the utility model are still within the protection scope of the utility model.

Claims

1. A fully automatic mixing and stirring system, characterized in that, The stirring system comprises: a premixing unit (1) for providing a premixing liquid to a mixing unit (2); the mixing unit (2) is arranged below the premixing unit (1) in communication, and the mixing unit (2) is further provided with a liquid backflow device (24); a PLC control unit (3) for controlling the operation of the premixing unit (1) and the mixing unit (2), and the PLC control unit (3) is further provided with communication fault alarm, over-temperature alarm, over-pressure alarm, over-pressure linkage, over-pressure and over-temperature linkage shutdown, and emergency stop function; and a liquid receiving unit (4) for receiving the mixed liquid in the mixing unit (2).

2. The fully automatic mixing and stirring system according to claim 1, characterized in that, The premixing unit (1) comprises a premixing tank (11), a premixing tank stirring device (12), a premixing tank thermometer (13), and a pneumatic bottom valve (14); wherein the top of the premixing tank (11) is provided with a premixing tank stirring port (111), a premixing tank temperature measuring port (112), a premixing tank water inlet (113), and a premixing tank feed inlet (114); the premixing tank stirring device (12) is arranged in the premixing tank (11) through the premixing tank stirring port (111), and the premixing tank thermometer (13) is arranged in the premixing tank (11) through the premixing tank temperature measuring port (112); the bottom of the premixing tank (11) is provided with a premixing liquid connector (115) for communication with the mixing unit (2), and the pneumatic bottom valve (14) is arranged in the premixing liquid connector (115) to realize the discharge by pneumatic form.

3. The fully automatic mixing and stirring system according to claim 2, characterized in that, The premixing liquid connector (115) is provided with a clamping groove (116) which is communicated with the mixing unit (2) through a pipeline.

4. The fully automatic mixing and stirring system according to claim 2, characterized in that, The premixing liquid connector (115) is provided with a filter for filtering impurities in the premixing liquid.

5. The fully automatic mixing system according to claim 1, wherein The mixing unit (2) comprises a mixing tank (21), a mixing tank stirring device (22), a mixing tank thermometer (23), a liquid backflow device (24), and a vacuum valve (25); wherein the top of the mixing tank (21) is provided with a mixing tank stirring port (211), a mixing tank temperature measuring port (212), a premixing liquid inlet (213), a mixing tank feed inlet (214), a backflow port (215), a vacuum port (216), and a emptying port (217); the bottom of the mixing tank (21) is provided with a liquid outlet (218); the mixing tank stirring device (22) is arranged in the mixing tank (21) through the mixing tank stirring port (211), the mixing tank thermometer (23) is arranged in the mixing tank (21) through the mixing tank temperature measuring port (212), the premixing liquid inlet (213) is arranged in communication with the premixing liquid connector (115), the liquid backflow device (24) is communicated with the backflow port (215) and the liquid outlet (218) through a pipeline, the vacuum valve (25) is communicated with the vacuum port (216), and a vacuum pressure gauge (26) is arranged in the vacuum port (216), and an emptying valve (27) is arranged in the emptying port (217).

6. The fully automatic mixing system according to claim 1, wherein The premixing unit (1) and the mixing unit (2) further comprise a light shield cover for dealing with the photosensitive properties of the materials to be mixed; The premixing unit (1) and the mixing unit (2) are further respectively provided with heating jackets for heating the liquid in the premixing tank (11) and the mixing tank (21).

7. The fully automatic mixing system according to claim 1, wherein The stirring system further comprises a buffer unit (5) for providing quantitative water feeding for the premixing unit (1).

8. The fully automatic mixing system according to claim 7, wherein The buffer unit (5) comprises a buffer tank (51), two liquid level probes (52), a water supply device (53) and a water inlet valve (54). The top of the buffer tank (51) is provided with a buffer tank water inlet (511) and two liquid level probe openings (512), and the bottom of the buffer tank (51) is provided with a buffer tank water outlet (513). The water inlet valve (54) is arranged in the buffer tank water inlet (511), and the two liquid level probes (52) are arranged in the buffer tank (51) through the liquid level probe openings (512) and are arranged in high and low positions.

9. The fully automatic mixing system according to claim 1, wherein The stirring system further comprises a mobile filling platform (6), and the liquid receiving unit (4) is arranged on the mobile filling platform (6).

10. The fully automatic mixing and stirring system according to claim 1, wherein, The stirring system further comprises a mobile foot pedal (7) for use when feeding the high-positioned premixing unit (1).

Images