Multifunctional internal mixer oil injection pipeline

Abstract

The invention provides a multifunctional internal mixer oil injection pipeline, and relates to the technical field of internal mixer equipment, the multifunctional internal mixer oil injection pipeline comprises an oil storage stirring mechanism, a first valve pipeline assembly, an oil scale, a material preparation mechanism, an internal mixer and a controller, the bottom output end of the oil storage stirring mechanism is fixedly communicated with the oil scale through the first valve pipeline assembly; a bottom output port of the oil scale is fixedly communicated with the material preparation mechanism through a second valve pipeline assembly, a bottom output port of the material preparation mechanism is fixedly communicated with the oil injection pump through a third valve pipeline assembly, and the oil injection pump is communicated with an oil injection port of the internal mixer through a fourth valve pipeline assembly. The oil storage stirring mechanism, the first valve pipeline assembly, the second valve pipeline assembly, the third valve pipeline assembly, the fourth valve pipeline assembly, the oil scale and the material preparation mechanism are electrically connected with the controller. Through combined application of the three-way valve and the four-way valve, the function of inputting multiple oil plants or efficiently inputting a single oil plant can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of internal mixer equipment, in particular to a multifunctional internal mixer oil injection pipeline. Background Art

[0002] In the processing of raw materials such as rubber and plastic, internal mixers are one of the indispensable equipment. However, the oil injection system of traditional internal mixers has many shortcomings, such as single oil type, slow oil injection speed, low oil injection efficiency, etc. These problems not only affect production efficiency, but also increase production costs, limiting the wide application of internal mixers in the field of raw material processing.

[0003] In the existing traditional technology, the method of increasing the oil injection speed is to increase the oil injection pressure, increase the number of oil injection pumps, etc.; The traditional oil injection system is limited by the single type of oil injection and slow oil injection efficiency. On the one hand, when there are many oil products in the formula, they need to be prepared and transported one by one, or multiple sets of oil injection systems need to be added according to the number of oil products, which affects the production rhythm and increases the additional input cost; on the other hand, when the weight of a single oil product is large, the oil injection efficiency is slow, which affects the production rhythm. The technical problems that the proposal needs to solve are: reducing the input cost, sharing a set of oil injection systems, and realizing the functions of multiple oil input or single oil high-efficiency input through the combined application of three-way valves and four-way valves. Summary of the invention

[0004] The present invention provides a multifunctional internal mixer oil injection pipeline, which is used to solve at least one of the technical problems raised by the above background technology.

[0005] In order to solve the above technical problems, the present invention provides a multifunctional internal mixer oil injection pipeline, comprising: an oil storage and stirring mechanism, a first valve pipeline assembly, an oil scale, a material preparation mechanism, an internal mixer and a controller, the bottom output end of the oil storage and stirring mechanism is fixedly connected to the oil scale through the first valve pipeline assembly, the bottom output port of the oil scale is fixedly connected to the material preparation mechanism through the second valve pipeline assembly, the bottom output port of the material preparation mechanism is fixedly connected to an oil injection pump through a third valve pipeline assembly, and the oil injection pump is connected to the oil injection port of the internal mixer through a fourth valve pipeline assembly; the oil storage and stirring mechanism, the first valve pipeline assembly, the second valve pipeline assembly, the third valve pipeline assembly, the fourth valve pipeline assembly, the oil scale and the material preparation mechanism are electrically connected to the controller respectively.

[0006] Preferably, the oil storage and stirring mechanism comprises: an oil storage box and a partition, a pair of partitions are symmetrically fixedly installed on the inner bottom wall of the oil storage box, the two partitions divide the oil storage box into three stirring chambers of equal capacity, an electric valve is fixedly provided at the bottom of each partition, the electric valve is used to control the connectivity of adjacent stirring chambers, each stirring chamber is fixedly connected to a filter bucket at the bottom, the filter bucket is fixedly connected to a vertical pipe at the bottom, a solenoid valve is fixedly installed on each vertical pipe, and a pair of oil drain valves are fixedly provided on the left and right side walls of the oil storage box.

[0007] Preferably, a first stirring mechanism is fixedly provided inside the oil storage tank, and the first stirring mechanism comprises: a stirring motor, a vertical stirring motor fixedly installed at the top center of the oil storage tank, the output shaft end of the stirring motor is fixedly connected to stirring shaft one, the top of the stirring shaft one is fixedly connected to bevel gear one, a transmission shaft rotatably connected to the left and right directions between the left and right inner walls of the oil storage tank, the transmission shaft rotates and penetrates partition one, the center of the transmission shaft is fixedly connected to bevel gear two, and bevel gear two is meshingly linked with bevel gear one.

[0008] Preferably, a bearing bracket is fixedly connected to the top of the stirring chamber on the left and right sides respectively, and the stirring shaft 2 is rotatably connected in the bearing bracket. A bevel gear 3 is fixedly connected to the transmission shaft symmetrically on the left and right sides. A bevel gear 4 is fixedly installed on the top of the stirring shaft 2 on the left and right sides respectively, and the bevel gear 4 is meshingly connected with the bevel gear 3. A number of stirring rods are fixedly connected to the stirring shaft 1 and the stirring shaft 2.

[0009] Preferably, the first valve pipeline assembly comprises: an oil supply pipe 1, the bottom end of each vertical pipe 1 is fixedly connected to an oil supply pipe 1, and the other end of the oil supply pipe 1 is fixedly connected to an oil scale; The second valve pipeline assembly includes: a four-way valve 1, a four-way valve 1 is fixedly installed at the output port at the bottom of the oil scale, and the other three interfaces of the four-way valve 1 are respectively fixedly connected to the input end of an oil supply branch pipe 1, and the output end of each oil supply branch pipe 1 is fixedly connected to a preparation hopper, and a level meter is fixedly installed at the bottom of the preparation hopper. The number of the preparation hoppers can be adjusted according to actual needs to adapt to different formulas and production requirements.

[0010] Preferably, the third valve pipeline assembly includes: branch pipe 2, each preparation hopper bottom is fixedly connected to an oil supply branch pipe 2, the other ends of the three oil supply branch pipes 2 merge into three interfaces connected to the four-way valve 2, the last interface of the four-way valve 2 is fixedly connected to the oil inlet of the oil injection pump through the oil supply pipe 2.

[0011] Preferably, the fourth valve pipeline assembly includes: a connecting pipe, the oil outlet of the oil injection pump is fixedly connected to the connecting pipe, the right end of the connecting pipe is fixedly connected to the left end interface of the three-way valve, the left end interface of the three-way valve is fixedly connected to the oil injection port at the left end of the internal mixer through oil supply pipe three, and the top interface of the three-way valve is fixedly connected to the oil injection port at the right end of the internal mixer through oil supply pipe four.

[0012] Preferably, the intelligent control and protection module includes: Temperature sensor, used to detect the working temperature of the oil injection pump; Flow sensor 1, used for detecting the oil flow in oil supply pipe 2; Flow sensor 2: used to detect the oil flow in the connecting pipe; Pressure sensor 1, used for detecting the pressure value of the oil fluid in the oil supply pipe 2; The second pressure sensor is used to detect the oil fluid pressure value in the connecting pipe at the oil outlet of the oil injection pump; Flow rate sensor 1, used for detecting the flow rate value of the oil in the oil supply pipe 2; Flow rate sensor 2, used to detect the oil flow rate value in the connecting pipe; A density sensor, used to detect the density of the oil fluid in the oil supply pipe 2; A timer for recording the time of the detection period; Alarm, used to alarm in case of abnormal situation; A first calculation unit calculates the pressure wave velocity at the oil inlet end of the oil injection pump within a detection time period based on the data of the temperature sensor, the timer, and the density sensor; A second calculation unit, based on the result of the first calculation unit, calculates the actual lift of the oil injection pump within the detection time period; The control unit is used to collect and process the data of each sensor, control the oil injection pump frequency conversion to adjust the speed and the opening and closing state, and the control unit is electrically connected to the temperature sensor, flow sensor 1, flow sensor 2, density sensor, flow velocity sensor, pressure sensor 1, pressure sensor 2, timer and alarm respectively; The comparison and judgment unit is used to compare and judge whether the rotation speed of the oil injection pump under the actual head within the detection time period can meet the oil injection state of the theoretical head.

[0013] Preferably, the first calculation unit calculates based on the following formula 1: (1); in which: For The pressure wave velocity at the oil inlet end of the oil injection pump during the detection period; The density sensor detects the density of the oil fluid in the oil supply pipe 2. is the bulk modulus of the oil fluid, is the equivalent diameter of the oil supply pipe 2, is the pipeline inhibition factor, is the wall thickness of the oil supply pipe 2, is the Young's modulus of the material of the oil supply pipe 2, is a logarithmic function, The value of the natural constant is 2.72, To detect the end time, To detect the initial moment, is the temperature inside the oil injection pump housing detected by the temperature sensor at time t, is the temperature value of the oil injection pump at the initial moment, The maximum operating temperature of the oil injection pump detected by the temperature sensor. The temperature sensor detects the minimum operating temperature of the oil filling pump.

[0014] Preferably, the second calculation unit calculates based on the following formula 2: (2); in which: For the oil filling pump Actual head during the testing period, For The average oil flow rate in the oil supply pipe 28 detected by the flow rate sensor 1 during the detection period, For The average oil flow rate in the connecting pipe 8 detected by the flow rate sensor 2 during the detection period, g is the gravity acceleration, and the value is 9.18; is the oil fluid pressure value in the oil supply pipe 2 at the oil inlet of the oil injection pump. is the oil pressure value in the connecting pipe at the oil outlet of the oil filling pump. Take the value of pi as 3.14, For The rotation speed of the motor in the oil injection pump during the detection period, The oil flow rate of the connecting pipe detected by flow sensor 2, is the oil flow in the oil supply pipe 2 detected by flow sensor 1, f is the head loss coefficient along the way, and its value is 1.1; The comparison judgment unit compares and when the oil injection pump is If the actual lift during the detection period is within the preset lift range, the oil injection pump can meet the oil injection pressure. When the actual lift is greater than the preset lift range during the detection period, the control unit controls the oil injection pump to reduce the speed. When the actual lift is less than the preset lift range during the detection period, the control unit controls the oil injection pump to increase the speed. When the lift has not reached the preset lift range after adjustment, the control unit cuts off the power to shut down the oil injection pump, and the alarm sounds, notifying maintenance personnel in time to perform repairs.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention forms an automated and intelligent internal mixer oil injection system by integrating an oil storage and stirring mechanism, a valve pipeline assembly, an oil scale, a material preparation mechanism, an internal mixer and a controller. The system can accurately measure, proportion and transport oil, greatly improving production efficiency and product quality. Its beneficial effects are reflected in: the automated process reduces manual intervention and improves the accuracy and consistency of operations; the remote monitoring function makes the equipment status visible in real time, facilitating rapid response and handling of potential problems, thereby enhancing the stability and reliability of the equipment; The present invention is designed to realize the function of multiple oil input or single oil high-efficiency input through the combined application of three-way valve and four-way valve, and has the following advantages: 1. Share a set of oil injection system, through the combination of three-way valve and four-way valve, multiple preparation hoppers are configured under one oil scale. At the same time, through the control of three-way valve and four-way valve on the oil injection pipeline, multiple oil products can be injected simultaneously or successively as needed to improve the oil injection efficiency.

[0016] 2. When the weight of a single oil product in the formula is large, the three-way valve of the oil injection pipeline can divert the oil, and multiple pipelines can be injected into the internal mixer through different oil injection ports, which not only improves the oil injection efficiency, but also helps to improve the mixing effect and dispersion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a front view schematic diagram of an oil injection pipeline of a multifunctional internal mixer of the present invention; Figure 2 It is a front sectional schematic diagram of the oil storage and stirring mechanism of the present invention.

[0019] Reference numerals: 1. Oil storage stirring mechanism; 11. Oil storage box; 12. Partition 1; 13. Electric valve 1; 14. Filter bucket; 15. Vertical pipe 1; 16. Solenoid valve 1; 17. Oil drain valve; 18. First stirring mechanism; 181. Stirring motor; 182. Stirring shaft 1; 183. Bevel gear 1; 184. Transmission shaft; 185. Bevel gear 2; 186. Bearing bracket; 187. Stirring shaft 2; 188. Bevel gear 3; 189. Bevel gear Four; 1810, stirring rod; 2, valve pipeline assembly; 21, oil supply pipe one; 22, four-way valve one; 23, oil supply branch pipe one; 24, preparation hopper; 25, material level meter; 26, oil supply branch pipe two; 27, four-way valve two; 28, oil supply pipe two; 3, oil scale; 4, preparation mechanism; 5, oil injection pump; 6, internal mixer; 61, oil injection port; 7, controller; 8, connecting pipe; 81, three-way valve; 82, oil supply pipe three; 83, oil supply pipe four. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0022] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0023] The present invention provides the following embodiments Example 1 The embodiment of the present invention provides a multifunctional internal mixer 6 oil injection pipeline, such as Figure 1As shown, it includes: an oil storage and stirring mechanism 1, a first valve pipeline assembly 2, an oil scale 3, a material preparation mechanism 4, an internal mixer 6 and a controller 7. The bottom output end of the oil storage and stirring mechanism 1 is fixedly connected to the oil scale 3 through the first valve pipeline assembly 2, the bottom output port of the oil scale 3 is fixedly connected to the material preparation mechanism 4 through the second valve pipeline assembly, the bottom output port of the material preparation mechanism 4 is fixedly connected to the oil injection pump 5 through the third valve pipeline assembly, and the oil injection pump 5 is connected to the oil injection port 61 of the internal mixer 6 through the fourth valve pipeline assembly; the oil storage and stirring mechanism 1, the first valve pipeline assembly 2, the second valve pipeline assembly, the third valve pipeline assembly, the fourth valve pipeline assembly, the oil scale 3 and the material preparation mechanism 4 are electrically connected to the controller 7 respectively.

[0024] The working principle and beneficial effects of the above technical solution are as follows: by integrating the oil storage and stirring mechanism 1, the valve pipeline assembly 2, the oil scale 3, the material preparation mechanism 4, the internal mixer 6 and the controller 7, an automated and intelligent internal mixer 6 oil injection system is formed. The system can accurately measure, proportion and transport oil, greatly improving production efficiency and product quality. Its beneficial effects are reflected in: the automated process reduces manual intervention and improves the accuracy and consistency of operations; the remote monitoring function makes the equipment status visible in real time, facilitating rapid response and handling of potential problems, thereby enhancing the stability and reliability of the equipment; The present invention is designed to realize the function of multiple oil input or single oil high-efficiency input through the combined application of the three-way valve 81 and the four-way valve, which has the following advantages: 1. A common oil injection system is used. Through the combined application of the three-way valve 81 and the four-way valve, multiple preparation hoppers 24 are arranged under one oil scale 3. At the same time, through the control of the three-way valve 81 and the four-way valve on the oil injection pipeline, multiple oil products can be injected simultaneously or successively as needed, thereby improving the oil injection efficiency.

[0025] 2. When the weight of a single oil product in the formula is large, the three-way valve 81 of the oil injection pipeline can divert the oil, and multiple pipelines are injected into the internal mixer 6 through different oil injection ports 61, which not only improves the oil injection efficiency, but also helps to improve the mixing effect and dispersion.

[0026] Example 2 On the basis of Example 1, Figure 1 , Figure 2As shown, the oil storage and stirring mechanism 1 includes: an oil storage box 11 and a partition 12, a pair of partitions 12 are symmetrically fixedly installed on the inner bottom wall of the oil storage box 11, and the two partitions 12 divide the oil storage box 11 into three stirring chambers of equal capacity. An electric valve 13 is fixedly installed at the bottom of each partition 12, and the electric valve 13 is used to control the connection state of adjacent stirring chambers. The bottom of each stirring chamber is fixedly connected to a filter bucket 14, and the bottom of the filter bucket 14 is fixedly connected to a vertical pipe 15. A solenoid valve 16 is fixedly installed on each vertical pipe 15, and a pair of oil drain valves 17 are fixedly provided on the left and right side walls of the oil storage box 11.

[0027] A first stirring mechanism 18 is fixedly provided inside the oil storage tank 11, and the first stirring mechanism 18 comprises: a stirring motor 181, a vertical stirring motor 181 is fixedly installed at the top center of the oil storage tank 11, the output shaft end of the stirring motor 181 is fixedly connected to a stirring shaft 182, the top of the stirring shaft 182 is fixedly connected to a bevel gear 183, a transmission shaft 184 is rotatably connected to the left and right directions between the left and right inner walls of the oil storage tank 11, the transmission shaft 184 rotates and passes through the partition 12, the center of the transmission shaft 184 is fixedly connected to a bevel gear 2 185, and the bevel gear 2 185 is meshed and linked with the bevel gear 1 183.

[0028] A bearing bracket 186 is fixedly connected to the top of the stirring chamber on the left and right sides respectively, and the stirring shaft 2 187 is rotatably connected inside the bearing bracket 186. The transmission shaft 184 is symmetrically fixedly connected to the bevel gear 3 188. A bevel gear 4 189 is fixedly installed on the top of the stirring shaft 2 187 on the left and right sides respectively, and the bevel gear 4 189 is meshingly connected with the bevel gear 3 188. A number of stirring rods 1810 are fixedly connected to the stirring shaft 1 182 and the stirring shaft 2 187.

[0029] The working principle and beneficial effect of the above technical solution are as follows: the technical solution of this embodiment realizes the flexibility and accuracy of oil mixing through the ingenious design of three independent stirring chambers and electric valves inside the oil storage stirring mechanism 1 on the original basis. In terms of working principle, the stirring motor 181 drives the stirring shaft 1 182 and the stirring shaft 2 187 and the bevel gear system, driving multiple stirring shafts to rotate synchronously to ensure that the oil is evenly mixed in the chamber. When the bevel gear system is working, the stirring shaft 182 rotates to drive the bevel gear 183 to rotate, the bevel gear 183 meshes with the bevel gear 2 185, the transmission shaft 184 and the bevel gear 3 188 to rotate synchronously, the bevel gear 3 188 meshes with the transmission to make the bevel gear 4 189 and the stirring shaft 2 187 rotate synchronously, the stirring shaft 182 and the stirring shaft 182 rotate to drive the stirring rod 1810 to stir, and the liquid in each stirring cavity is stirred. The electric valve 13 at the bottom of the partition 12 can control the connection and closing state of the adjacent stirring cavity through the switch. In addition, the setting of the filter bucket 14 and the solenoid valve 16 effectively ensures the purity of the output oil and the precise control of the delivery. Its beneficial effect is that it not only improves the mixing efficiency and quality of the oil, but also meets different formulas and production requirements through flexible cavity separation and connection design, and enhances the adaptability and flexibility of the system.

[0030] Example 3 On the basis of Example 1, Figure 1 , Figure 2 As shown, the first valve pipeline assembly 2 includes: an oil supply pipe 21, the bottom end of each vertical pipe 15 is fixedly connected to an oil supply pipe 21, and the other end of the oil supply pipe 21 is fixedly connected to the oil scale 3; The second valve pipeline assembly includes: a four-way valve 22, a four-way valve 22 is fixedly installed at the bottom output port of the oil scale 3, and the other three interfaces of the four-way valve 22 are respectively fixedly connected to the input end of an oil supply branch pipe 23, and the output end of each oil supply branch pipe 23 is fixedly connected to a preparation hopper 24, and a level meter 25 is fixedly installed at the bottom of the preparation hopper 24. The number of the preparation hoppers 24 can be adjusted according to actual needs to adapt to different formulas and production requirements.

[0031] The third valve pipeline assembly includes: a branch pipe 26, each preparation hopper 24 is fixedly connected to an oil supply branch pipe 26 at the bottom end, and the other ends of the three oil supply branch pipes 26 are connected to three interfaces of the four-way valve 27, and the last interface of the four-way valve 27 is fixedly connected to the oil inlet of the oil injection pump 5 through the oil supply pipe 28; The fourth valve pipeline assembly includes: a connecting pipe 8, the oil outlet of the oil injection pump 5 is fixedly connected to the connecting pipe 8, the right end of the connecting pipe 8 is fixedly connected to the left end interface of the three-way valve 81, the left end interface of the three-way valve 81 is fixedly connected to the oil injection port 61 at the left end of the internal mixer 6 through the oil supply pipe three 82, and the top interface of the three-way valve 81 is fixedly connected to the oil injection port 61 at the right end of the internal mixer 6 through the oil supply pipe four 83.

[0032] The working principle and beneficial effects of the above technical solution are as follows: the technical solution of this embodiment further optimizes the design of the valve pipeline assembly 2, and realizes accurate measurement, distribution and delivery of oil through the precise layout of components such as the oil supply pipe, the four-way valve, the oil supply branch pipe, the preparation hopper 24, and the level meter 25. In terms of working principle, the number and position of the preparation hopper 24 are adjusted according to production needs, and the flow direction and ratio of the oil are flexibly controlled by switching the four-way valve. Real-time monitoring of the level meter 25 ensures a continuous supply of oil. Its beneficial effects are mainly reflected in: improving the accuracy and flexibility of oil delivery, meeting the needs of complex formulas and production processes; at the same time, through intelligent management, human errors are reduced, and overall production efficiency and product quality are improved.

[0033] Example 4 Based on Example 1, the intelligent control and protection module includes: A temperature sensor, used to detect the operating temperature of the oil injection pump 5; Flow sensor 1, used to detect the oil flow in oil supply pipe 28; Flow sensor 2; used to detect the oil flow in the connecting pipe 8; Pressure sensor 1, used to detect the oil fluid pressure value in oil supply pipe 28; The second pressure sensor is used to detect the oil fluid pressure value in the connecting pipe 8 at the oil outlet of the oil injection pump 5; Flow rate sensor 1, used to detect the oil flow rate value in the oil supply pipe 28; Flow rate sensor 2, used to detect the oil flow rate value in the connecting pipe 8; A density sensor, used to detect the density of the oil fluid in the oil supply pipe 28; A timer for recording the time of the detection period; Alarm, used to alarm in case of abnormal situation; The first calculation unit calculates the pressure wave velocity at the oil inlet end of the oil injection pump 5 within the detection time period based on the temperature sensor, the timer, and the density sensor data; the pressure fluctuation is based on the pressure The pressure wave is transmitted in the form of force waves. In any system containing a moving fluid (or the fluid can generate motion) flowing through a pipe or channel, a pressure wave can be generated. When the valve is closed quickly, the speed at which the pressure wave propagates upstream and downstream in the pipe; A second calculation unit, based on the result of the first calculation unit, calculates the actual lift of the oil injection pump 5 within the detection time period; The control unit is used to collect and process the data of each sensor, control the oil injection pump 5 to adjust the speed and open and close the state, and the control unit is electrically connected to the temperature sensor, flow sensor 1, flow sensor 2, density sensor, flow velocity sensor, pressure sensor 1, pressure sensor 2, timer and alarm respectively; The comparison and judgment unit is used to compare and judge whether the rotation speed of the oil injection pump 5 under the actual head within the detection time period can meet the oil injection state of the theoretical head.

[0034] The first calculation unit calculates based on the following formula 1: (1); among which: among which: For The pressure wave velocity at the oil inlet end of the oil injection pump 5 during the detection period; The density sensor detects the density of the oil fluid in the oil supply pipe 28. is the bulk modulus of the oil fluid, is the equivalent diameter of the oil supply pipe 28, is the pipeline inhibition factor (the pipeline inhibition factor refers to a specific parameter related to pipeline resistance, such as the friction coefficient of pipeline material, the flow coefficient of fluid, etc.) 0< <0.3, is the wall thickness of the oil supply pipe 28, is the Young's modulus of the pipe material of the oil supply pipe 28, is a logarithmic function, The value of the natural constant is 2.72, To detect the end time, To detect the initial moment, is the temperature inside the housing of the oil injection pump 5 detected by the temperature sensor at time t, is the temperature value of the oil injection pump 5 at the initial moment, is the maximum operating temperature of the oil injection pump 5 detected by the temperature sensor, The temperature sensor detects the minimum operating temperature of the oil injection pump 5 .

[0035] The second calculation unit calculates based on the following formula 2: (2); in which: For oil filling pump 5 Actual head during the testing period, is the average oil velocity in the oil supply pipe 28, is the average oil velocity in the connecting pipe 8, g is the acceleration due to gravity, and its value is 9.18; is the oil fluid pressure value in the oil supply pipe 28 at the oil inlet of the oil injection pump 5, is the oil pressure value in the connecting pipe 8 at the oil outlet of the oil injection pump 5, Take the value of pi as 3.14, For The rotation speed of the motor in the oil injection pump 5 during the detection period, The oil flow rate of the connecting pipe 8 detected by the flow sensor 2, is the oil flow in the oil supply pipe 28 detected by the flow sensor 1, and f is the head loss coefficient along the way, which is 1.1; The comparison judgment unit performs a comparison. When the oil injection pump 5 is If the actual lift during the detection period is within the preset lift range, the oil injection pump 5 can meet the oil injection pressure. When the actual lift during the detection period is greater than the preset lift range, the control unit controls the oil injection pump 5 to reduce the speed by frequency conversion. When the actual lift within the detection time period is less than the preset lift range, the control unit controls the oil injection pump 5 to increase the speed by frequency conversion. When the lift has not reached the preset lift range after adjustment, the control unit cuts off the power to shut down the oil injection pump 5, and the alarm sounds, notifying the maintenance personnel in time to perform maintenance.

[0036] The working principle and beneficial effects of the above technical solution are as follows: the intelligent control and protection module realizes comprehensive monitoring and protection of the working state of the oil injection pump 5 by integrating multiple sensors and control units. The solution can monitor the key parameters of the oil injection pump 5 such as the working temperature, oil flow, fluid pressure value, flow rate and density in real time, and calculate the comparison between the actual head and theoretical head of the oil injection pump 5 based on these data, so as to realize the precise adjustment of the speed of the oil injection pump 5 and fault warning. When the speed of the oil injection pump 5 cannot meet the oil injection state of the theoretical head, the control unit can automatically power off and shut down the oil injection pump 5, and trigger the alarm to notify the maintenance personnel to carry out maintenance. This intelligent control and protection mechanism greatly improves the stability and safety of the equipment and reduces maintenance costs and production risks.

Claims

1. A multifunctional internal mixer oil injection pipeline, characterized in that: include: An oil storage and stirring mechanism (1), a first valve pipeline component (2), an oil scale (3), a material preparation mechanism (4), an internal mixer (6) and a controller (7); the bottom output end of the oil storage and stirring mechanism (1) is fixedly connected to the oil scale (3) through the first valve pipeline component (2); the bottom output port of the oil scale (3) is fixedly connected to the material preparation mechanism (4) through the second valve pipeline component; the bottom output port of the material preparation mechanism (4) is fixedly connected to an oil injection pump (5) through the third valve pipeline component; the oil injection pump (5) is connected to an oil injection port (61) of the internal mixer (6) through the fourth valve pipeline component; the oil storage and stirring mechanism (1), the first valve pipeline component (2), the second valve pipeline component, the third valve pipeline component, the fourth valve pipeline component, the oil scale (3) and the material preparation mechanism (4) are electrically connected to the controller (7) respectively.

2. The multifunctional internal mixer oil injection pipeline according to claim 1, characterized in that: The oil storage stirring mechanism (1) comprises: an oil storage box (11) and a partition plate (12); a pair of partition plates (12) are fixedly installed on the bottom wall of the oil storage box (11) symmetrically on the left and right sides; the two partition plates (12) divide the oil storage box (11) into three stirring chambers of equal capacity; an electric valve (13) is fixedly installed on the bottom of each partition plate (12); the electric valve (13) is used to control the connection state of adjacent stirring chambers; the bottom of each stirring chamber is fixedly connected to a filter bucket (14); the bottom of the filter bucket (14) is fixedly connected to a vertical pipe (15); each vertical pipe (15) is fixedly installed with an electromagnetic valve (16); and a pair of oil discharge valves (17) are fixedly installed on the left and right side walls of the oil storage box (11).

3. The multifunctional internal mixer oil injection pipeline according to claim 2, characterized in that: A first stirring mechanism (18) is fixedly provided inside the oil storage box (11), and the first stirring mechanism (18) comprises: a stirring motor (181); a vertical stirring motor (181) is fixedly installed at the top center of the oil storage box (11); an output shaft end of the stirring motor (181) is fixedly connected to a stirring shaft 1 (182); a top of the stirring shaft 1 (182) is fixedly connected to a bevel gear 1 (183); a transmission shaft (184) rotatably connected to the left and right directions between the left and right inner walls of the oil storage box (11); the transmission shaft (184) rotatably penetrates the partition 1 (12); a center of the transmission shaft (184) is fixedly connected to a bevel gear 2 (185); and the bevel gear 2 (185) is meshed and linked with the bevel gear 1 (183).

4. The multifunctional internal mixer oil injection pipeline according to claim 3, characterized in that: A bearing bracket (186) is fixedly connected to the top of the stirring chamber on the left and right sides respectively, and the bearing bracket (186) is rotatably connected to the stirring shaft 2 (187). The transmission shaft (184) is symmetrically fixedly connected to the bevel gear 3 (188). The top of the stirring shaft 2 (187) on the left and right sides is fixedly installed with a bevel gear 4 (189), and the bevel gear 4 (189) is meshed with the bevel gear 3 (188). A plurality of stirring rods (1810) are fixedly connected to the stirring shaft 1 (182) and the stirring shaft 2 (187).

5. The multifunctional internal mixer oil injection pipeline according to claim 3, characterized in that: The first valve pipeline assembly (2) comprises: an oil supply pipe (21), the bottom end of each vertical pipe (15) is fixedly connected to an oil supply pipe (21), and the other end of the oil supply pipe (21) is fixedly connected to an oil scale (3); The second valve pipeline assembly comprises: a four-way valve (22); the four-way valve (22) is fixedly installed at the bottom output port of the oil scale (3); the other three interfaces of the four-way valve (22) are respectively fixedly connected to the input end of an oil supply branch pipe (23); the output end of each oil supply branch pipe (23) is fixedly connected to a preparation hopper (24); a material level meter (25) is fixedly installed at the bottom of the preparation hopper (24); the number of the preparation hoppers (24) can be adjusted according to actual needs to adapt to different formulations and production requirements.

6. The multifunctional internal mixer oil injection pipeline according to claim 3, characterized in that: The third valve pipeline assembly comprises: a branch pipe 2 (26), the bottom end of each preparation hopper (24) is fixedly connected to an oil supply branch pipe 2 (26), the other ends of the three oil supply branch pipes 2 (26) are connected to three interfaces of a four-way valve 2 (27), and the last interface of the four-way valve 2 (27) is fixedly connected to the oil inlet of the oil injection pump (5) through an oil supply pipe 2 (28).

7. The multifunctional internal mixer oil injection pipeline according to claim 6, characterized in that: The fourth valve pipeline assembly comprises: a connecting pipe (8), the oil outlet of the oil injection pump (5) is fixedly connected to the connecting pipe (8), the right end of the connecting pipe (8) is fixedly connected to the left end interface of the three-way valve (81), the left end interface of the three-way valve (81) is fixedly connected to the oil injection port (61) at the left end of the internal mixer (6) through the oil supply pipe three (82), and the top interface of the three-way valve (81) is fixedly connected to the oil injection port (61) at the right end of the internal mixer (6) through the oil supply pipe four (83).

8. The multifunctional internal mixer oil injection pipeline according to claim 6, characterized in that: Intelligent control and protection modules include: A temperature sensor, used to detect the operating temperature of the oil injection pump (5); A flow sensor 1, used for detecting the oil flow in the oil supply pipe 2 (28); Flow sensor 2; used for detecting the oil flow in the connecting pipe (8); A pressure sensor 1, used for detecting the pressure value of the oil fluid in the oil supply pipe 2 (28); A second pressure sensor is used to detect the oil fluid pressure value in the connecting pipe (8) at the oil outlet of the oil injection pump (5); A flow rate sensor 1, used for detecting the flow rate of the oil in the oil supply pipe 2 (28); A second flow rate sensor, used for detecting the flow rate value of the oil in the connecting pipe (8); A density sensor, used to detect the density of the oil fluid in the oil supply pipe 2 (28); A timer for recording the time of the detection period; Alarm, used to alarm in case of abnormal situation; A first calculation unit calculates the pressure wave velocity at the oil inlet end of the oil injection pump (5) within a detection time period based on data from a temperature sensor, a timer, and a density sensor; A second calculation unit, based on the result of the first calculation unit, calculates the actual lift of the oil injection pump (5) within the detection time period; A control unit is used to collect and process data from various sensors, control the oil injection pump (5) to adjust the speed and open and close the state by frequency conversion, and the control unit is electrically connected to the temperature sensor, the first flow sensor, the second flow sensor, the density sensor, the flow velocity sensor, the first pressure sensor, the second pressure sensor, the timer and the alarm respectively; The comparison and judgment unit is used to compare and judge whether the rotation speed of the oil injection pump (5) at the actual head within the detection time period can meet the oil injection state of the theoretical head.

9. The multifunctional internal mixer oil injection pipeline according to claim 8, characterized in that: The first calculation unit calculates based on the following formula 1: (1); in which: For The velocity of the pressure wave at the oil inlet end of the oil injection pump (5) during the detection period; The density sensor detects the density of the oil fluid in the oil supply pipe 2 (28). is the bulk modulus of the oil fluid, is the equivalent diameter of the oil supply pipe 2 (28), is the pipeline inhibition factor, is the wall thickness of the oil supply pipe 2 (28), is the Young's modulus of the pipe material of the oil supply pipe 2 (28), is a logarithmic function, The value of the natural constant is 2.72, To detect the end time, To detect the initial moment, is the temperature inside the housing of the oil injection pump (5) detected by the temperature sensor at time t, is the temperature value of the oil injection pump (5) at the initial moment, is the maximum operating temperature of the oil injection pump (5) detected by the temperature sensor, The temperature sensor detects the minimum operating temperature of the oil injection pump (5).

10. The multifunctional internal mixer oil injection pipeline according to claim 9, characterized in that: The second calculation unit calculates based on the following formula 2: (2); in which: For the oil filling pump (5) Actual head during the testing period, For the average oil flow rate in the oil supply pipe 2 (28) detected by the flow rate sensor 1 during the detection period, For The average oil flow rate in the connecting pipe (8) detected by the flow rate sensor 2 during the detection period, g is the acceleration due to gravity, and the value is 9.18; is the oil fluid pressure value in the oil supply pipe 2 (28) at the oil inlet of the oil injection pump (5) detected by the pressure sensor 1, is the oil pressure value in the connecting pipe (8) at the oil outlet of the oil injection pump (5) detected by the second pressure sensor, Take the value of pi as 3.14, For The rotation speed of the motor in the oil injection pump (5) during the detection period, is the oil flow rate of the connecting pipe (8) detected by the flow sensor 2, is the oil flow rate in the oil supply pipe 2 (28) detected by the flow sensor 1, and f is the head loss coefficient along the way, which is 1.1; The comparison judgment unit performs a comparison. When the oil injection pump (5) is If the actual lift during the detection period is within the preset lift range, the oil injection pump (5) can meet the oil injection pressure. When the actual lift during the detection period is greater than the preset lift range, the control unit controls the oil injection pump (5) to reduce the speed by frequency conversion. When the actual lift within the detection time period is less than the preset lift range, the control unit controls the oil injection pump (5) to increase the speed by frequency conversion. When the lift still does not reach the preset lift range after adjustment, the control unit cuts off the power supply to shut down the oil injection pump (5), and the alarm sounds an alarm, notifying maintenance personnel in time to carry out maintenance.

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