CN211800706U - Diethyl toluene diamine raw material for production proportioning system - Google Patents
Diethyl toluene diamine raw material for production proportioning system Download PDFInfo
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- CN211800706U CN211800706U CN201922474149.4U CN201922474149U CN211800706U CN 211800706 U CN211800706 U CN 211800706U CN 201922474149 U CN201922474149 U CN 201922474149U CN 211800706 U CN211800706 U CN 211800706U
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Abstract
The utility model discloses a diethyl toluenediamine production raw material proportioning system, including reation kettle, reation kettle top sets up the batching fill, be provided with weighing sensor and unloading controlling means on the batching fill, unloading controlling means includes the controller and sets up the automatically controlled valve in batching fill discharge gate department, weighing sensor's output signal loops through amplifier circuit and filter circuit processing and then sends into the controller, amplifier circuit utilizes the high frequency clutter in the RC filtering symmetrical weight detecting signal to filter, utilize the resistance-capacitance feedback to compensate the output signal of fortune ware AR1 simultaneously, reduce the detection error, improve the weighing detection precision, filter circuit stabilizes the amplitude of the amplified signal of fortune ware AR1, then utilize LC filtering principle further to strengthen the precision of detecting signal, guarantee that the weighing detection signal value of sending into the controller is accurate, stable, automatic batching, the defects caused by manual proportioning are avoided.
Description
Technical Field
The utility model relates to a reation kettle control technical field especially relates to a diethyl toluene diamine raw materials for production proportioning system.
Background
The reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container. In the existing proportioning process of raw materials for producing diethyltoluenediamine, the raw materials need to be strictly proportioned according to a certain molar ratio, but the proportioning is often inaccurate due to hysteresis and errors caused by manual proportioning, and adverse effects are caused on the production quality of diethyltoluenediamine.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a raw material proportioning system for producing diethyltoluenediamine.
The technical scheme for solving the problem is as follows: the utility model provides a diethyl toluene diamine raw materials for production proportioning system, includes reation kettle, and the reation kettle top sets up the batching fill, be provided with weighing sensor and unloading controlling means on the batching fill, unloading controlling means includes the controller and sets up the automatically controlled valve of fighting discharge gate department in the batching, weighing sensor's output signal loops through amplifier circuit and filter circuit and handles the back and sends into in the controller, the controller is used for control the aperture of automatically controlled valve.
Preferably, the amplifying circuit comprises an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to one ends of a resistor R1 and a capacitor C1, and is connected to an output terminal of the operational amplifier AR1 through a resistor R2 and a capacitor C2 which are connected in parallel, the other end of the resistor R1 is connected to an output terminal of the weighing sensor, the other end of the capacitor C1 is grounded, an inverting input terminal of the operational amplifier AR1 is connected to a base of a triode VT1, an emitter of the triode VT1 is connected to an output terminal of the operational amplifier AR1 through the resistor R3, and a collector of the triode VT1 is grounded through an adjustable resistor RP 1.
Preferably, the filter circuit comprises a resistor R4, one end of the resistor R4 is connected to the cathode of the zener diode DZ1, one end of the inductor L1 and the output end of the operational amplifier AR1, the other end of the resistor R4 is grounded to the anode of the zener diode DZ1, and the other end of the inductor L1 is connected to the input end of the controller and grounded through a capacitor C3.
Preferably, the controller is a PLC controller.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the amplifying circuit filters high-frequency clutter in the weighing detection signal by using RC filtering, and simultaneously forms resistance-capacitance feedback in the amplifying process of the conveyor AR1 to compensate the output signal of the conveyor AR1, so that the weighing detection signal is ensured to be continuously and stably output, the detection error is reduced, and the weighing detection precision is greatly improved;
2. the filter circuit stabilizes the amplitude of the amplified signal of the operational amplifier AR1, and then the precision of the detection signal is further enhanced by utilizing an LC filtering principle, so that the weighing detection signal value sent into the controller is accurate and stable;
3. the utility model discloses a weighing sensor weighs to the raw materials weight in the batching fill, adopts controller control electric control valve's aperture to accomplish automatic batching, avoid the defect that artifical ratio brought.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides a diethyl toluene diamine raw materials for production proportioning system, includes reation kettle, and the reation kettle top sets up the batching fill, is provided with weighing sensor J1 and unloading controlling means on the batching fill, and unloading controlling means includes the controller and sets up the automatically controlled valve in batching fill discharge gate department, and weighing sensor J1's output signal loops through amplifier circuit and filter circuit and handles the back and send into in the controller. When specifically setting up, can set up the quantity that the batching was fought according to the kind of raw materials, the PLC controller is chooseed for use to the controller for control electric control valve's aperture.
The weighing sensor J1 weighs the raw materials weight in the batching fill to convert the signal output of telecommunication into. The amplifying circuit is used for amplifying the electric signal and comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R1 and a capacitor C1 and is connected with the output end of an operational amplifier AR1 through a resistor R2 and a capacitor C2 which are connected in parallel, the other end of a resistor R1 is connected with the output end of a weighing sensor J1, the other end of the capacitor C1 is grounded, the inverting input end of the operational amplifier AR1 is connected with the base electrode of a triode VT1, the emitter electrode of the triode VT1 is connected with the output end of an operational amplifier AR1 through a resistor R3, and the collector electrode of the triode VT1 is grounded through an adjustable resistor RP.
In the batching process, materials in the batching hopper can produce adhesion in the blanking process to cause uneven blanking speed, so that blanking shaking is caused. In order to ensure the accuracy of weighing detection, the resistor R1 and the capacitor C1 form RC filtering to filter high-frequency clutter in a weighing detection signal, and meanwhile, in the amplification process of the operation amplifier AR1, the resistor R2 and the capacitor C2 form resistance-capacitance feedback to compensate an output signal of the operation amplifier AR1, so that the output of the weighing detection signal is ensured to be continuous and stable, the detection error is reduced, and the weighing detection precision is greatly improved. The transistor VT1 forms an emitter follower at the output of the operational amplifier AR1, thereby improving the amplification efficiency of the weighing detection signal.
The output signal of the operational amplifier AR1 is sent to a filter circuit for further processing, the filter circuit comprises a resistor R4, one end of the resistor R4 is connected with the cathode of the voltage stabilizing diode DZ1, one end of an inductor L1 and the output end of the operational amplifier AR1, the other end of the resistor R4 is grounded with the anode of the voltage stabilizing diode DZ1, and the other end of the inductor L1 is connected with the input end of the controller and is grounded through a capacitor C3. The voltage stabilizing diode DZ1 stabilizes the amplitude of the amplified signal of the operational amplifier AR1, and then the precision of the detection signal is further enhanced by utilizing the LC filtering principle, so that the weighing detection signal value sent into the controller is accurate and stable.
The utility model discloses when specifically using, at first pack the raw materials into the batching fill, take all raw materials to load and accomplish the back, controller control electric control valve opens, and the raw materials gets into reation kettle. When the blanking amount of the raw materials reaches the preset ratio, the controller controls the electric control valve to be closed, so that automatic proportioning is completed, and the defect caused by manual ratio is avoided. The utility model discloses a design amplifier circuit and filter circuit weighing sensor J1's output signal adjusts the processing, has greatly improved the detection precision of weighing, and raw materials ratio control is accurate stable, has fine practical value.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides a diethyl toluene diamine raw materials for production proportioning system, includes reation kettle, and the reation kettle top sets up batching fill, its characterized in that: be provided with weighing sensor and unloading controlling means on the batching fill, unloading controlling means includes the controller and sets up the automatically controlled valve in batching fill discharge gate department, weighing sensor's output signal loops through amplifier circuit and filter circuit and handles the back and send into in the controller, the controller is used for control automatically controlled valve's aperture.
2. The system for proportioning raw materials for producing diethyltoluenediamine according to claim 1, wherein: the amplifying circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R1 and one end of a capacitor C1 and is connected with the output end of the operational amplifier AR1 through a resistor R2 and a capacitor C2 which are connected in parallel, the other end of the resistor R1 is connected with the output end of the weighing sensor, the other end of the capacitor C1 is grounded, the inverting input end of the operational amplifier AR1 is connected with the base electrode of a triode VT1, the emitter electrode of the triode VT1 is connected with the output end of the operational amplifier AR1 through a resistor R3, and the collector electrode of the triode VT1 is grounded through.
3. The system for proportioning raw materials for producing diethyltoluenediamine according to claim 2, wherein: the filter circuit comprises a resistor R4, one end of a resistor R4 is connected with the negative electrode of a voltage stabilizing diode DZ1, one end of an inductor L1 and the output end of an operational amplifier AR1, the other end of a resistor R4 is grounded with the positive electrode of a voltage stabilizing diode DZ1, and the other end of an inductor L1 is connected with the input end of the controller and is grounded through a capacitor C3.
4. A diethyl toluene diamine production feedstock proportioning system as recited in any one of claims 1 to 3, wherein: the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474149.4U CN211800706U (en) | 2019-12-31 | 2019-12-31 | Diethyl toluene diamine raw material for production proportioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474149.4U CN211800706U (en) | 2019-12-31 | 2019-12-31 | Diethyl toluene diamine raw material for production proportioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211800706U true CN211800706U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922474149.4U Active CN211800706U (en) | 2019-12-31 | 2019-12-31 | Diethyl toluene diamine raw material for production proportioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211800706U (en) |
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2019
- 2019-12-31 CN CN201922474149.4U patent/CN211800706U/en active Active
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