Emulsion synthesis water phase pH real-time monitoring control device

Abstract

The utility model provides an emulsion synthesis water phase pH real-time monitoring control device, which relates to the technical field of emulsion synthesis equipment, and comprises a pH real-time monitoring control device body, a pH electrode, a reaction kettle, an alkali liquor tank, a conveying pipeline and a constant flow pump, the pH electrode is arranged in the reaction kettle, is electrically connected with the pH real-time monitoring control device body and is used for detecting the pH value of an emulsion synthesis water phase and sending an electric signal of the pH value of the water phase to the pH real-time monitoring control device body; one end of the conveying pipeline is communicated with the alkali liquor tank, the other end of the conveying pipeline is communicated with the reaction kettle, and the conveying pipeline is used for discharging alkali liquor in the alkali liquor tank and supplying the alkali liquor into the reaction kettle; the constant flow pump is arranged on the conveying pipeline and is used for pumping alkali liquor in the alkali liquor tank into the reaction kettle from the conveying pipeline; the pH real-time monitoring control device body is electrically connected with the constant flow pump and is used for controlling the opening and closing of the constant flow pump. The constant flow pump can be controlled to be started or stopped in time according to the water phase pH value, manual control is reduced, and the pH real-time monitoring control accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to emulsion synthesis equipment technical field especially is related to a kind of emulsion synthesis water phase pH real-time monitoring control device. BACKGROUND

[0002] In emulsion synthesis production process, water phase system pH value as relatively easy to obtain and with reference value Key index is widely used as control key parameter. However, pH real-time monitoring is difficult when acid-base is adjusted, data is not easy to have certain influence on production control, and serious time can lead to process control failure, product unqualified rework and other problems.

[0003] At present, the monitoring of pH value in the reaction tank mainly has two ways: one is to take sample every certain time and use pH test paper to judge, but this requires the operator to have rich judgment experience; the second is to directly insert the pH probe into the inside of the reaction tank, and detect the pH value in the reaction tank through the pH probe, but the alkali tank cannot obtain the signal pH value signal in time, and manual operation is still needed to control the alkali tank to stop feeding the reaction tank when the pH value exceeds the set value, so as to cause inaccurate measurement results. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of emulsion synthesis water phase pH real-time monitoring control device to solve at least one above-mentioned technical problem existing in prior art.

[0005] To solve the above technical problems, the utility model provides a kind of emulsion synthesis water phase pH real-time monitoring control device, which comprises: pH real-time monitoring control device body, pH electrode, reaction kettle, alkali tank, conveying pipeline and constant flow pump;

[0006] The pH electrode is arranged in the reaction kettle, and the pH electrode is electrically connected with the pH real-time monitoring control device body. In use, the pH electrode is placed in the water phase in the reaction kettle to detect the pH value of the water phase and send the electrical signal of the water phase pH value to the pH real-time monitoring control device body;

[0007] One end of the conveying pipeline is communicated with the alkali tank, and the other end is communicated with the reaction kettle, for discharging the alkali in the alkali tank and supplying the alkali into the reaction kettle;

[0008] The constant flow pump is arranged on the conveying pipeline, for pumping the alkali in the alkali tank into the reaction kettle from the conveying pipeline;

[0009] The pH real-time monitoring control device body is electrically connected with the constant flow pump, for receiving the electrical signal of the water phase pH value and controlling the opening and closing of the constant flow pump;

[0010] In use, the pH electrode is placed in the water phase in the reactor, the pH value of the water phase is detected in real time by the pH electrode, and an electric signal of the pH value of the water phase is sent to the pH real-time monitoring control device body, the pH real-time monitoring control device body receives the electric signal of the pH value of the water phase, controls the opening and closing of the constant flow pump, and under the premise of ensuring that the temperature of the reactor is in the control range, when the pH value of the water phase is lower than the set pH value, the constant flow pump is controlled to be opened, the lye in the lye tank is continuously delivered to the reactor through the delivery pipeline, when the pH value of the water phase is higher than or equal to the set pH value, the constant flow pump is controlled to be closed, and the lye in the lye tank is timely stopped from being delivered to the reactor, so that the pH value of the water phase in the reactor is maintained stable.

[0011] The application sets the pH electrode in the reactor, detects the pH value of the water phase in real time by the pH electrode, and the pH real-time monitoring control device body can timely control the constant flow pump to be opened or closed according to the pH value of the water phase, reduces manual operation, and improves the accuracy of pH real-time monitoring control.

[0012] Preferably, the pH real-time monitoring control device body mainly comprises a processor, a memory and a bus, the memory stores instructions and data read by the processor, the processor is used to call the instructions and data in the memory to send opening and closing instructions to the constant flow pump according to a preset program after receiving the electric signal of the pH value, and the bus is connected between functional components for transmitting information.

[0013] Further, the reactor is provided with a protection pipe, the lower part of the protection pipe is arranged in the water phase of the reactor, the upper part of the protection pipe is arranged above the liquid surface of the water phase, the pH electrode is arranged in the protection pipe, the protection pipe is used to protect the pH electrode, collision between the pH electrode and other components in the reactor is avoided, and non-detection parts of the pH electrode are prevented from being corroded by acid and alkali.

[0014] Further, the emulsion synthesis water phase pH real-time monitoring control device further comprises an input signal pipeline, and the pH electrode is connected with the pH real-time monitoring control device body through the input signal pipeline.

[0015] Further, a touch type outer screen is arranged on the pH real-time monitoring control device body, and is used to display the pH value of the water phase in the reactor, the delivery condition of the feeding amount of the delivery pipeline and the lye consumption amount in the lye tank.

[0016] Further, the pH real-time monitoring control device body is provided with a fan, which is used for heat dissipation of the pH real-time monitoring control device body, and prevents the pH real-time monitoring control device body from being overheated due to long working time.

[0017] Further, the conveying pipeline comprises an input pipeline and an output pipeline;

[0018] The constant flow pump is arranged in the pH real-time monitoring control device body; one end of the input pipeline is connected with the alkali tank, and the other end is connected with the liquid inlet of the constant flow pump, for discharging the alkali in the alkali tank;

[0019] One end of the output pipeline is connected with the liquid outlet of the constant flow pump, and the other end is connected with the reaction kettle, for supplying the alkali into the reaction kettle.

[0020] Preferably, the pH real-time monitoring control device body is further provided with a receiving signal sensor and an output signal sensor;

[0021] The receiving end of the receiving signal sensor is electrically connected with the pH electrode, the sending end of the receiving signal sensor is connected with the processor through a bus, for receiving the pH value electric signal sent from the input signal pipeline by the pH electrode, and transmitting the pH value electric signal to the processor through the bus for processing;

[0022] The receiving end of the output signal sensor is connected with the processor through a bus, and the sending end of the output signal sensor is electrically connected with the constant flow pump, for receiving the switch instruction sent by the processor through the bus, sending the switch instruction to the constant flow pump through the circuit, and then controlling the constant flow pump to open and close according to the switch instruction;

[0023] The receiving signal sensor and the output signal sensor can be integrally arranged or separately arranged.

[0024] In use, the pH value of the water phase in the reaction kettle is detected in real time by the pH electrode, and the pH value of the water phase is converted into an electric signal and sent to the receiving signal sensor through the input signal pipeline; the receiving signal sensor receives the pH value electric signal sent from the input signal pipeline by the pH electrode, and transmits the pH value electric signal to the processor through the bus; after receiving the pH value electric signal, the processor performs analog-digital conversion through the digital-analog conversion unit of the processor according to the preset program, performs digital signal processing and data analysis on the pH value electric signal through the operation unit of the processor, calls the switch instruction from the storage through the bus according to the analysis result, sends the switch instruction to the output signal sensor through the bus, receives the switch instruction sent by the processor through the bus through the output signal sensor, sends the switch instruction to the constant flow pump through the circuit, and then controls the constant flow pump to open and close according to the switch instruction.

[0025] Further, a shower nozzle is arranged in the reactor, and the shower nozzle is connected with the other end of the output pipeline, and is used for spraying the alkaline solution into the water phase in the reactor, so that the alkaline solution is uniformly sprayed into the water phase, and local overheating of the water phase in the reactor caused by uneven distribution of the alkaline solution is prevented.

[0026] Further, the reactor is provided with a stirring shaft, stirring blades and a motor.

[0027] The stirring shaft and the stirring blades are arranged in the reactor, and the stirring blades are connected with one end of the stirring shaft and are used for stirring the water phase in the reactor.

[0028] The motor is arranged on the top of the reactor, and an output shaft of the motor is connected with the other end of the stirring shaft and is used for driving the stirring shaft to rotate, so that the stirring blades are driven to rotate by the stirring shaft, and the water phase is uniformly stirred by the stirring blades.

[0029] Further, a pressure relief valve is arranged on the top of the reactor, and is used for relieving the pressure of the reactor, so that the pressure in the reactor is prevented from being too large.

[0030] Further, the emulsion synthesis water phase pH real-time monitoring control device further comprises a water circulation system, and the water phase in the reactor is temperature-controlled by cold water circulating in the water circulation system.

[0031] The reactor wall is provided with a jacket, the lower part of the jacket is provided with a water inlet, and the upper part of the jacket is provided with a water outlet, and the water inlet and the water outlet of the jacket are communicated with the water circulation system, so that the cold water in the water circulation system circulates between the jacket and the water circulation system 13, thereby temperature-controlling the water phase in the reactor.

[0032] In use, the cold water in the water circulation system flows into the water inlet at the lower part of the jacket, and when the jacket is full of water, the water in the jacket flows back into the water circulation system from the water outlet at the upper part of the jacket.

[0033] The technical scheme has the following beneficial effects:

[0034] The emulsion synthesis water phase pH real-time monitoring control device has the following advantages: the pH electrode is arranged in the reactor, the pH value of the water phase is detected in real time by the pH electrode, the pH real-time monitoring control device body can timely control the constant-flow pump to be opened or closed according to the pH value of the water phase, solid particles in the reactor are gradually dissolved into the solution in the pH value adjusting process, the influence of the solid particles in the reactor on the pH electrode is reduced, manual control is reduced, and the accuracy of the pH real-time monitoring control is improved. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0036] Figure 1 The structure schematic diagram of the emulsion synthesis water phase pH real-time monitoring control device provided by the embodiment of the present application is shown in the figure.

[0037] Figure 2 For Figure 1 The structure schematic diagram of the emulsion synthesis water phase pH real-time monitoring control device provided by the embodiment of the present application is shown in the figure.

[0038] Figure 3 For Figure 1 The bottom view of the shower type spray head is shown in the figure.

[0039] Figure 4 The partial sectional view of the protection tube of the emulsion synthesis water phase pH real-time monitoring control device provided by another embodiment of the present application at the pH electrode is shown in the figure.

[0040] Figure 5 The partial top view of the reaction kettle of the emulsion synthesis water phase pH real-time monitoring control device provided by another embodiment of the present application at the upper end cover body of the protection tube is shown in the figure.

[0041] Reference signs:

[0042] 1 - pressure relief valve; 2 - motor; 3 - stirring blade; 4 - stirring shaft; 5 - reaction kettle; 6 - pH electrode; 60 - protection tube; 601 - cover body; 602 - bayonet; 61 - input signal pipeline; 7 - fan; 8 - pH real-time monitoring control device body; 80 - touch type outer screen; 9 - input pipeline; 10 - lye tank; 11 - constant flow pump; 12 - output pipeline; 120 - shower type spray head; 13 - water circulation system. DETAILED DESCRIPTION

[0043] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are some embodiments of the present application, but not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0044] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0045] In the description of the utility model, it is necessary to explain that, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0046] The utility model will be further explained in combination with specific embodiments.

[0047] It should be further explained that the following specific examples or specific embodiments are a series of optimized setting modes listed by the utility model to further explain the specific utility model content, and these setting modes can be used in combination or correlation with each other.

[0048] Example 1

[0049] As Figures 1-3As shown, the emulsion synthesis water phase pH real-time monitoring control device provided by the embodiment comprises a pH real-time monitoring control device body 8, a pH electrode 6, a reaction kettle 5, a lye tank 10, a conveying pipeline and a constant flow pump 11. The pH electrode 6 is arranged in the reaction kettle 5, and the pH electrode 6 is electrically connected with the pH real-time monitoring control device body 8. In use, the pH electrode 6 is placed in the water phase in the reaction kettle 5, used for detecting the pH value of the water phase, and sending an electric signal of the pH value of the water phase to the pH real-time monitoring control device body 8. The reaction kettle 5 is mainly used for synthesizing the water phase part of the thickening agent emulsion product. The solution in the reaction kettle 5 is initially acidic, and therefore it is necessary to convey lye into the reaction kettle 5 to increase the pH value. One end of the conveying pipeline is in communication with the lye tank 10, and the other end is in communication with the reaction kettle 5, used for discharging the lye in the lye tank 10 and supplying the lye into the reaction kettle 5. The constant flow pump 11 is arranged on the conveying pipeline, used for pumping the lye in the lye tank 10 into the reaction kettle 5 from the conveying pipeline. The pH real-time monitoring control device body 8 is electrically connected with the constant flow pump 11, used for receiving the electric signal of the pH value of the water phase and controlling the opening and closing of the constant flow pump 11.

[0050] In use, the pH electrode 6 is placed in the water phase in the reaction kettle 5, the pH value of the water phase is detected in real time by the pH electrode 6, and an electric signal of the pH value of the water phase is sent to the pH real-time monitoring control device body 8. The pH real-time monitoring control device body 8 receives the electric signal of the pH value of the water phase, controls the opening and closing of the constant flow pump 11, controls the constant flow pump 11 to open when the pH value of the water phase is lower than the set pH value on the premise that the temperature of the reaction kettle 5 is ensured to be in the control range, the lye in the lye tank 10 is continuously conveyed into the reaction kettle 5 through the conveying pipeline, controls the constant flow pump 11 to close when the pH value of the water phase is higher than or equal to the set pH value, and the lye in the lye tank 10 is timely stopped from being conveyed into the reaction kettle 5, so as to maintain the pH value of the water phase in the reaction kettle 5 stable.

[0051] The application can timely control the constant flow pump 11 to open or close according to the pH value of the water phase by arranging the pH electrode 6 in the reaction kettle 5 and detecting the pH value of the water phase in real time by the pH electrode 6, reduces manual operation, and improves the accuracy of pH real-time monitoring control.

[0052] On the basis of the above technical solutions, further preferably, the pH real-time monitoring and control device body 8 mainly comprises a processor, a memory and a bus, the memory stores instructions and data read by the processor, the processor is used to call the instructions and data in the memory to send switch instructions to the constant flow pump 11 according to a preset program after receiving the electric signal of the pH value, and the bus is connected between each functional component for transmitting information. Those skilled in the art know that the transmission of the above information can be realized by using the conventional scheme in the prior art, which belongs to the public common knowledge in the art. The specific transmission and processing of the signals do not belong to the invention points of the present scheme and are not within the protection scope of the present scheme.

[0053] Further, the emulsion synthesis aqueous phase pH real-time monitoring and control device further comprises an input signal pipeline 61, and the pH electrode 6 is connected with the pH real-time monitoring and control device body 8 through the input signal pipeline 61.

[0054] In the present embodiment, a touch type outer screen 80 is arranged on the pH real-time monitoring and control device body 8, which is used to display the pH value of the aqueous phase in the reaction kettle 5, the conveying conditions such as the feeding amount of the conveying pipeline and the alkali consumption in the alkali tank 10.

[0055] More preferably, the pH real-time monitoring and control device body 8 is provided with a fan 7 for heat dissipation of the pH real-time monitoring and control device body 8 to prevent overheating of the pH real-time monitoring and control device body 8 due to long working time.

[0056] Referring to Figure 2 Further, the conveying pipeline comprises an input pipeline 9 and an output pipeline 12; the constant flow pump 11 is arranged in the pH real-time monitoring and control device body 8; one end of the input pipeline 9 is connected with the alkali tank 10, and the other end is connected with the liquid inlet of the constant flow pump 11, which is used for discharging the alkali in the alkali tank 10; one end of the output pipeline 12 is connected with the liquid outlet of the constant flow pump 11, and the other end is connected with the reaction kettle 5, which is used for supplying the alkali to the reaction kettle 5.

[0057] In the embodiment, the pH real-time monitoring control device body 8 is further provided with a receiving signal sensor and an output signal sensor; the receiving end of the receiving signal sensor is electrically connected with the pH electrode 6, the sending end of the receiving signal sensor is connected with the processor through a bus, for receiving the pH value electric signal sent by the pH electrode 6 from the input signal pipeline 61, and transmitting the pH value electric signal to the processor through the bus for processing; the receiving end of the output signal sensor is connected with the processor through a bus, the sending end of the output signal sensor is electrically connected with the constant flow pump 11, for receiving the switch instruction sent by the processor through the bus, sending the switch instruction to the constant flow pump 11 through a circuit, and then controlling the constant flow pump 11 to open and close according to the switch instruction; the receiving signal sensor and the output signal sensor can be integrally arranged or separately arranged.

[0058] In a feasible embodiment, the pH value of the water phase in the reaction kettle 5 is detected in real time by the pH electrode 6, and the pH value of the water phase is converted into an electric signal and sent to the receiving signal sensor through the input signal pipeline 61; the receiving signal sensor receives the pH value electric signal sent by the pH electrode 6 from the input signal pipeline 61, and transmits the pH value electric signal to the processor through a bus; after the processor receives the pH value electric signal, the processor performs analog-digital conversion through the digital-analog conversion unit of the processor according to a preset program, performs digital signal processing and data analysis on the pH value electric signal through the operation unit of the processor, calls a switch instruction from the memory through the bus according to the analysis result, sends the switch instruction to the output signal sensor through the bus, and then controls the constant flow pump 11 to open and close according to the switch instruction. Those skilled in the art know that the transmission of the above information can be realized by using conventional schemes in the prior art, which belongs to the common knowledge in the art. The specific transmission and processing of the signals do not belong to the invention points of the present scheme, and are not within the protection scope of the present scheme.

[0059] With reference to Figure 3 More preferably, as shown in the figure, the reaction kettle 5 is provided with a shower head 120 connected with the other end of the output pipeline 12, for spraying lye into the water phase in the reaction kettle 5, and uniformly spraying the lye into the water phase, so as to prevent the water phase in the reaction kettle 5 from being overheated locally due to uneven distribution of the lye.

[0060] Further, the reaction kettle 5 is provided with a stirring shaft 4, stirring blades 3 and a motor 2; the stirring shaft 4 and the stirring blades 3 are both arranged in the reaction kettle 5, the stirring blades 3 are connected to one end of the stirring shaft 4, for stirring the water phase in the reaction kettle 5; the motor 2 is arranged on the top of the reaction kettle 5, the output shaft of the motor 2 is connected to the other end of the stirring shaft 4, for driving the stirring shaft 4 to rotate, and then driving the stirring blades 3 to rotate through the stirring shaft 4, so as to stir the water phase uniformly by the stirring blades 3.

[0061] Alternatively, the motor 2 is electrically connected with the pH real-time monitoring control device body 8, the opening and closing of the motor 2 is controlled by the control buttons or the touch outer screen 80 on the pH real-time monitoring control device body 8; of course, the opening and closing of the motor 2 can also be controlled by setting a switch button on the motor 2.

[0062] In the embodiment, the top of the reaction kettle 5 is provided with a pressure relief valve 1, for relieving the pressure of the reaction kettle 5, to prevent the pressure in the reaction kettle 5 from being too large.

[0063] Further, the emulsion synthesis water phase pH real-time monitoring control device further comprises a water circulation system 13, for temperature control of the water phase in the reaction kettle 5 by the circulating cold water in the water circulation system 13; the kettle wall of the reaction kettle 5 is provided with a jacket, which is usually an outer sleeve or a sandwich cavity sleeved outside the kettle wall of the reaction kettle 5, and is usually used for circulating cooling medium to control the temperature of the water phase in the reaction kettle 5 by heat exchange; the lower part of the jacket is provided with a water inlet, and the upper part of the jacket is provided with a water outlet, both of which are communicated with the water circulation system 13, for circulating the cold water in the water circulation system 13 in the jacket between the water circulation system 13, so as to control the temperature of the water phase in the reaction kettle 5; in use, the cold water in the water circulation system 13 flows into the jacket from the water inlet at the lower part of the jacket, and when the jacket is full of water, the water in the jacket flows back into the water circulation system 13 from the water outlet at the upper part of the jacket. In addition, the reaction kettle 5 is also provided with a thermometer, which is arranged on the kettle wall of the reaction kettle 5, and the temperature measuring part of the thermometer is arranged in the water phase in the reaction kettle 5, for measuring the temperature of the water phase in the reaction kettle 5.

[0064] In the use of the emulsion synthesis water phase pH real-time monitoring control device, the pH electrode 6 is placed in the water phase in the reaction kettle 5; the motor 2 is turned on, the stirring shaft 4 is driven to rotate by the motor 2, and then the stirring blade 3 is driven to rotate by the stirring shaft 4, so that the water phase is uniformly stirred by the stirring blade 3; in the stirring process, the pH value of the water phase is detected in real time by the pH electrode 6, and an electric signal of the pH value of the water phase is sent to the pH real-time monitoring control device body 8; the pH real-time monitoring control device body 8 receives the electric signal of the pH value of the water phase, controls the opening and closing of the constant-flow pump 11 in a program-controlled manner, controls the constant-flow pump 11 to be turned on when the pH value of the water phase is lower than the set pH value, the lye in the lye tank 10 is discharged from the input pipeline 9, flows to the shower-type spray head 120 from the output pipeline 12, and is uniformly sprayed into the water phase by the shower-type spray head 120, so that the pH value of the water phase is increased; the constant-flow pump 11 is controlled to be turned off when the pH value of the water phase is higher than or equal to the set pH value, so that the pH value of the water phase in the reaction kettle 5 is stabilized.

[0065] The pH electrode 6 is arranged in the reaction kettle 5, the pH value of the water phase is detected in real time by the pH electrode 6, the pH real-time monitoring control device body 8 can control the constant-flow pump 11 to be turned on or turned off in time according to the pH value of the water phase, the solid particles in the reaction kettle are gradually dissolved into the solution in the pH value adjusting process, the influence of the solid particles in the reaction kettle 5 on the pH electrode 6 is reduced, manual control is reduced, and the accuracy of pH real-time monitoring control is improved.

[0066] Embodiment 2

[0067] This embodiment is basically the same as embodiment 1, and the difference lies in that:

[0068] As shown in Figures 4-5 The pH electrode 6 is arranged in the protection pipe 60, the protection pipe 60 protects the pH electrode 6, avoids the pH electrode 6 from colliding with other components in the reaction kettle 5, and prevents the non-detection part of the pH electrode 6 and the input signal pipeline 61 from being corroded by acid and alkali.

[0069] In this embodiment, the protection pipe 60 is a straight pipe, the upper end of the protection pipe 60 is connected with the top of the reaction kettle 5, and the upper end of the protection pipe 60 is provided with a cover body 601 for closing the upper end of the protection pipe 60.

[0070] More preferably, a bayonet 602 is arranged on the cover body, and the input signal pipeline 61 can pass through the cover body 601 from the bayonet 602, and the bayonet 602 is used for clamping the input signal pipeline 61.

[0071] In use, the cover body 601 is opened, and the pH electrode 6 is put into the protection tube 60 from the upper end opening of the protection tube 60; after the detection part of the pH electrode 6 is positioned at a proper depth in the water phase in the reaction kettle 5, the cover body 601 is closed, the input signal pipeline 61 passes out from the bayonet 602, and the input signal pipeline 61 is clamped by the bayonet 602, so that the pH electrode 6 is fixed in the protection tube 60, and the pH electrode 6 is prevented from colliding with other components in the reaction kettle 5, and the non-detection part of the pH electrode 6 and the input signal pipeline 61 are prevented from being corroded by the water phase splashed by the stirring blade 3 or the alkali solution sprayed from the shower nozzle 120.

[0072] Embodiment 3

[0073] This embodiment is basically the same as Embodiment 1, and the difference lies in that:

[0074] The emulsion synthesis water phase pH real-time monitoring control device provided in this embodiment mainly comprises a water circulating system 13, which mainly comprises a cold water device, a water supply pipe, a water return pipe and a cold water circulating pump; the cold water device is used for storing and cooling water in the water circulating system 13; one end of the water supply pipe is in communication with the water outlet of the cold water device, and the other end is in communication with the water inlet of the jacket, and is used for conveying cold water in the cold water device from the water supply pipe to the jacket; one end of the water return pipe is in communication with the water outlet of the jacket, and the other end is in communication with the water inlet of the cold water device, and is used for returning water in the jacket from the water return pipe to the cold water device; the cold water circulating pump is arranged on the water supply pipe, and is used for pumping cold water in the cold water device from the water supply pipe to the jacket, and when the jacket is full of water, the water in the jacket is forced to return from the water return pipe to the cold water device, so that water is circulated between the jacket and the water circulating system 13, and then the cold water in the jacket controls the temperature of the water phase in the reaction kettle 5 by heat exchange; since the water in the water circulating system 13 mainly plays a role of cooling, the water in the water circulating system 13 can also be replaced by other conductive liquids that can play a role of cooling;

[0075] Optionally, the water circulation system 13 is electrically connected with the pH real-time monitoring and control device body 8, and the water circulation system 13 is controlled by the pH real-time monitoring and control device body 8 to supply cold water into the jacket, for example, the temperature of the cold water cooler, the start and stop of the cold water circulation pump, etc. are controlled by the control button or the touch outer screen 80 on the pH real-time monitoring and control device body 8. Of course, the water circulation system 13 can also be provided with a separate control system, for example, the temperature of the cold water cooler is controlled by a thermometer and a temperature control knob, and the start and stop of the cold water circulation pump is controlled by a switch button.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents. The modifications or replacements do not change the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An emulsion synthesis aqueous phase pH real-time monitoring control device, characterized in that, The pH real-time monitoring control device comprises a device body, a pH electrode, a reaction kettle, a lye tank, a conveying pipeline and a constant flow pump. The pH electrode is arranged in the reaction kettle and electrically connected with the device body. In use, the pH electrode is arranged in the water phase in the reaction kettle and used to detect the pH value of the water phase and send an electric signal of the pH value of the water phase to the device body. One end of the conveying pipeline is in communication with the lye tank and the other end is in communication with the reaction kettle. The constant flow pump is arranged on the conveying pipeline and used to pump the lye in the lye tank into the reaction kettle through the conveying pipeline.

2. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The device body is electrically connected with the constant flow pump and used to receive the electric signal of the pH value of the water phase and control the opening and closing of the constant flow pump.

3. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The reaction kettle is provided with a protection tube.

4. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The pH electrode is arranged in the protection tube and protected by the protection tube.

5. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The pH electrode is connected with the device body through an input signal pipeline.

6. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The device body is provided with a touch screen and used to display the pH value of the water phase in the reaction kettle, the conveying condition of the conveying pipeline and the consumption of the lye in the lye tank. The device body is provided with a fan and used to dissipate heat of the device body. The conveying pipeline comprises an input pipeline and an output pipeline. The constant flow pump is arranged in the device body.

7. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 6, characterized in that, One end of the input pipeline is connected with the lye tank and the other end is connected with a liquid inlet of the constant flow pump and used to discharge the lye in the lye tank.

8. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, One end of the output pipeline is connected with a liquid outlet of the constant flow pump and the other end is connected with the reaction kettle and used to supply the lye into the reaction kettle. The reaction kettle is provided with a shower head connected with the other end of the output pipeline and used to spray the lye into the water phase in the reaction kettle. The reaction kettle is provided with a stirring shaft, stirring blades and a motor.

9. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The stirring shaft and the stirring blades are arranged in the reaction kettle.

10. The emulsion synthesis aqueous phase pH real-time monitoring control device according to claim 1, characterized in that, The motor is arranged on the top of the reaction kettle and its output shaft is connected with the other end of the stirring shaft and used to drive the stirring shaft to rotate and further drive the stirring blades to rotate. The top of the reaction kettle is provided with a pressure relief valve and used to relieve the pressure of the reaction kettle. The reaction kettle is provided with a water circulation system and used to control the temperature of the water phase in the reaction kettle through the circulating cold water in the water circulation system. The kettle wall of the reaction kettle is provided with a jacket, the lower part of the jacket is provided with a water inlet, the upper part of the jacket is provided with a water outlet, the water inlet and the water outlet of the jacket are communicated with the water circulation system, and the cold water in the water circulation system is circulated between the jacket and the water circulation system, so as to control the temperature of the water phase in the reaction kettle.

Images