CN103553180B - Ultrasonic pesticide wastewater degradation device with variable reaction volume - Google Patents
Ultrasonic pesticide wastewater degradation device with variable reaction volume Download PDFInfo
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- CN103553180B CN103553180B CN201310556700.4A CN201310556700A CN103553180B CN 103553180 B CN103553180 B CN 103553180B CN 201310556700 A CN201310556700 A CN 201310556700A CN 103553180 B CN103553180 B CN 103553180B
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Abstract
The invention discloses an ultrasonic pesticide wastewater degradation device with variable reaction volume. The device comprises a reaction container, a liquid level switch, a controller, a multi-path switching switch component, a drive isolation module, a power amplification module, an impedance matching transformer, an ultrasonic signal generation module, a matching inductor and a plurality of energy converters, wherein the reaction container is provided with a reaction tank; the signal output end of the liquid level switch is connected with the controller and is arranged in the reaction tank; the energy converters are arranged on the reaction container and are arranged along the liquid level fluctuation direction side by side; the output end of the ultrasonic signal generation module is connected with the drive isolation module; the output end of the drive isolation module is connected with the power amplification module. By the ultrasonic pesticide wastewater degradation device with the variable reaction volume, pesticide wastewater degradation under different volumes can be met, moreover, the degradation capacity is also high, meanwhile, the damage of the energy converters caused by excessive heating can be prevented, and the cleaning degradation of pesticide wastewater is accelerated.
Description
Technical field
The present invention relates to a kind of ultrasonic wave pesticide wastewater degradation device of variable reactive capacity, belong to ultrasonic wave agricultural chemicals waste water degraded field.
Background technology
At present, a large amount of uses of traditional chemical agricultural chemicals have caused serious global environmental pollution and ecological damage.In recent years along with the raising of people's living standard, the problem of environment and the eubiosis receives publicity day by day, and the pesticide residue how eliminated in environment have become the study hotspot of countries in the world.In current world wide, Methods of Degrading Pesticide Residues mainly contains:
The conventional physical methods such as 1, absorption, washing and irradiation.This method is thorough not to the degraded removal effect of lower concentration remains of pesticide, labour intensity is large, water loss is large and the washing composition added in washing process exists secondary pollution problem.
2, the chemical process such as oxygenolysis, hydrolysis and photochemical degradation.Utilize this method degrading pesticide residues general all more consuming time and cost is higher, effect is also not too obvious, and some intermediate products also can bring secondary pollution.
The biodegradation methods such as 3, microbiological deterioration, degrading enzyme and engineering bacteria.Current this method is applied less in actual production, and the stability of product and cost are often difficult to meet production practice requirement, need further research.
Therefore, develop a set of efficient, energy-conservation, water saving, nontoxic degrading pesticide residue method for enlivening processing of farm products market, save and utilize water resources, to preserve the ecological environment and HUMAN HEALTH has important practical significance.At the beginning of the nineties, the advantages such as ultrasonic degradation technology is efficient with it, low consumption, equipment are simple, cause the concern of researchist and stakeholder, Chinese scholars has carried out more research in this respect.Although the existing correlative study that ultrasonic applications is degraded in agricultural chemicals waste water, but be mostly the qualitative analysis that the ultrasonic wave under certain fixed volume of research is degraded to different concns different sorts agricultural chemicals waste water, problems such as all there is complex structure, condition is fixed, degradation efficiency is low, handled wastewater flow rate is immutable.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, a kind of ultrasonic wave pesticide wastewater degradation device of variable reactive capacity is provided, it can meet the agricultural chemicals waste water degraded under not co-content, and there is degradation capability equally well, prevent transverter from causing damage due to excessive accumulated heat simultaneously, accelerate and the cleaning of agricultural chemicals waste water is degraded.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of ultrasonic wave pesticide wastewater degradation device of variable reactive capacity, and it comprises reaction vessel, liquid level switch, controller, multi-channel switch group, driving isolation module, power amplifier module, impedance-matching transformer, ultrasonic signal generation module, coupling inductance and multiple transverter; Wherein,
Reaction vessel, it has reactive tank;
Liquid level switch, its signal output part is connected with controller, and is arranged in reactive tank for gathering the liquid level signal of liquid in reactive tank and being passed to controller;
Multiple transverter, it is installed on the reaction vessel to drive liquid generation cavitation effect in reactive tank, and in the shape that is arranged side by side be elevated along liquid level on direction;
Ultrasonic signal generation module, its output terminal is connected with driving isolation module, for generation of ultrasound drive signals;
Driving isolation module, its output terminal is connected with power amplifier module, normally works for driving power amplification module;
Power amplifier module, its output terminal is connected with impedance-matching transformer;
Impedance-matching transformer, its output terminal is connected with coupling inductance, for converting the impedance of corresponding transverter, itself and source impedance is matched;
Coupling inductance, its output terminal is connected with corresponding transverter selectivity respectively by multi-channel switch group, for carrying out resonance matching to corresponding transverter;
Controller, its signal output part is connected with the control signal input terminus of multi-channel switch group, passes to multi-channel switch group for producing corresponding switch-over control signal according to corresponding liquid level signal; Its signal output part is also connected with ultrasonic signal generation module, controls its start and stop for transmitting on-off control order to ultrasonic signal generation module.
Multi-channel switch group, for receiving corresponding switch-over control signal and selecting to connect coupling inductance and corresponding transverter.
Further, described ultrasonic signal generation module has SG3525 control chip.
Further, described driving isolation module comprises full bridge inverter and isolating transformer, isolating transformer has an input terminus and two output terminals, and the coil winding direction of two output terminals is reverse, the input terminus of full bridge inverter is connected with the output terminal of ultrasonic signal generation module, the input terminus of isolating transformer is connected with the output terminal of full bridge inverter, and two output terminals of isolating transformer are connected with power amplifier module respectively.
Further, described power amplifier module is semi-bridge type D class power amplification circuit.
Further, described transverter is three, described multi-channel switch Zu Wei tri-tunnel stand alone type change-over switch.
Further, the side of the bonding reactive tank on the reaction vessel of described multiple transverters.
After have employed technique scheme; this ultrasonic wave pesticide wastewater degradation device can realize the ultrasonic wave agricultural chemicals waste water degraded of variable volume; be conducive to water saving; strengthen cleaning performance; protection transverter; and this apparatus structure is simple, it is convenient to control, and to finding out a kind of efficient, energy-conservation, water saving, nontoxic agricultural chemicals waste water degradation method is significant.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the ultrasonic wave pesticide wastewater degradation device of variable reactive capacity of the present invention;
Fig. 2 is the structural representation of reaction vessel of the present invention.
Embodiment
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
As shown in Figure 1, a ultrasonic wave pesticide wastewater degradation device for variable reactive capacity, it comprises reaction vessel 1, liquid level switch, controller, multi-channel switch group, driving isolation module, power amplifier module, impedance-matching transformer, ultrasonic signal generation module, coupling inductance and multiple transverter 2; Wherein,
Reaction vessel 1, it has reactive tank 1-1;
Liquid level switch, its signal output part is connected with controller, and is arranged in reactive tank 1-1 for gathering the liquid level signal of liquid in reactive tank 1-1 and being passed to controller;
Multiple transverter 2, it is arranged on to drive liquid generation cavitation effect in reactive tank 1-1 on reaction vessel 1, and in the shape that is arranged side by side be elevated along liquid level on direction;
Ultrasonic signal generation module, its output terminal is connected with driving isolation module, for generation of ultrasound drive signals;
Driving isolation module, its output terminal is connected with power amplifier module, normally works for driving power amplification module;
Power amplifier module, its output terminal is connected with impedance-matching transformer; For carrying out power magnification to ultrasound drive signals;
Impedance-matching transformer, its output terminal is connected with coupling inductance, for converting the impedance of corresponding transverter 2, itself and source impedance is matched;
Coupling inductance, its output terminal is connected with corresponding transverter 2 selectivity respectively by multi-channel switch group, for carrying out resonance matching to corresponding transverter 2; Coupling inductance and transverter 2 direct capacitance C0 realize resonance matching, and mating inductance can manual switchover inductance value, in order to direct capacitance C0 different under mating different liquid level working order;
Controller, its signal output part is connected with the control signal input terminus of multi-channel switch group, passes to multi-channel switch group for producing corresponding switch-over control signal according to corresponding liquid level signal; Its signal output part is also connected with ultrasonic signal generation module, controls its start and stop for transmitting on-off control order to ultrasonic signal generation module.
Multi-channel switch group, for receiving corresponding switch-over control signal and selecting to connect coupling inductance and corresponding transverter 2.
Ultrasonic signal generation module has SG3525 control chip.Producing ultrasonic wave actuate signal by changing the 6th pin resistance value, exporting and being connected with driving isolation module.
Controller adopts MSP430F149 micro-chip, controls the work of ultrasonic signal generation module, and the break-make controlling three tunnel stand alone type electronic switch according to the feedback information of water level switch selects corresponding transverter 2 to work.
In order to improve the driving force of signal, be beneficial to and drive follow-up power amplifier module, driving isolation circuit, for isolating ultrasonic signal generation module and power amplifier module, it comprises full bridge inverter and isolating transformer, wherein, the upper pipe of each half-bridge of full bridge inverter is NPN Darlington power transistor TIP122, and lower pipe is PNP Darlington power transistor TIP127, increases the power of ultrasonic signal, improve the driving force of signal, be beneficial to and drive follow-up ultrasonic power amplifier; The former sw turn ratio of isolating transformer is 1:1, isolating transformer has an input terminus and two output terminals, and the coil winding direction of two output terminals is reverse, the input terminus of full bridge inverter is connected with the output terminal of ultrasonic signal generation module, the input terminus of isolating transformer is connected with the output terminal of full bridge inverter, and two output terminals of isolating transformer are connected with power amplifier module respectively.
Power amplifier module is semi-bridge type D class power amplification circuit, and the signal that front end produces is converted to high voltage power signal, exports and is connected to impedance-matching transformer.
As shown in Figure 2, the transverter 2 of reaction vessel 1 is three, multi-channel switch Zu Wei tri-tunnel stand alone type change-over switch, and transverter 2 is all bonded in the side of reactive tank 1-1 on reaction vessel 1.
The principle of work of the present embodiment is as follows:
First the ultrasonic frequency that experiment needs is determined, appropriate deionized water and reactant is added in corresponding reaction vessel 1, suppose that experiment water level is at second transverter 2 place, controller obtains the information of height of liquid level after the signal of liquid level switch being detected, control two row's transverters 2 below multi-channel switch group selection to work, ultrasonic signal generation module produces the unipolar square wave signal that two-way with same frequency and reversed-phase peak value is 5V, be sent to the full bridge inverter in driving isolation module, two-way with same frequency and reversed-phase peak value is that the unipolar square wave signal of 5V is exaggerated and is shaped as the bipolar square wave signal that a road peak value is 12V, signal is divided into two-way with same frequency and reversed-phase signal via isolating transformer, drive coupled power amplifier module, power amplifier module output terminal connects impedance-matching transformer, the source voltage of power amplifier module is the filtered voltage of 220V AC rectification (about 340V), impedance-matching transformer is connected at power amplifier module output terminal after being amplified, for realizing the impedance matching with transverter 2 circuit, impedance-matching transformer output terminal matching connection inductance, for realizing the resonance matching with transverter 2, coupling inductance output end connects three tunnel stand alone type change-over switches, be used for selecting corresponding transverter 2 to work, under the effect of ultrasonic electric signal, the ultrasonic electric signal of input is converted into high-frequency mechanical vibration and drives reaction vessel 1 to vibrate by transverter 2, thus make the liquid generation ultrasound cavitation effect in reaction vessel 1, agricultural chemicals waste water is cleaned and degrades, experiment terminates laggard row Data acquisition and issuance.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a ultrasonic wave pesticide wastewater degradation device for variable reactive capacity, is characterized in that: it comprises reaction vessel (1), liquid level switch, controller, multi-channel switch group, driving isolation module, power amplifier module, impedance-matching transformer, ultrasonic signal generation module, coupling inductance and multiple transverter (2); Wherein,
Reaction vessel (1), it has reactive tank (1-1);
Liquid level switch, its signal output part is connected with controller, and is arranged in reactive tank (1-1), for gathering the liquid level signal of reactive tank (1-1) interior liquid and being passed to controller;
Multiple transverter (2), it is upper to drive reactive tank (1-1) interior liquid generation cavitation effect that it is arranged on reaction vessel (1), and in the shape that is arranged side by side be elevated along liquid level on direction;
Ultrasonic signal generation module, its output terminal is connected with driving isolation module, for generation of ultrasound drive signals;
Driving isolation module, its output terminal is connected with power amplifier module, normally works for driving power amplification module;
Power amplifier module, its output terminal is connected with impedance-matching transformer;
Impedance-matching transformer, its output terminal is connected with coupling inductance, for converting the impedance of corresponding transverter (2), itself and source impedance is matched;
Coupling inductance, its output terminal is connected with corresponding transverter (2) selectivity respectively by multi-channel switch group, for carrying out resonance matching to corresponding transverter (2);
Controller, its signal output part is connected with the control signal input terminus of multi-channel switch group, passes to multi-channel switch group for producing corresponding switch-over control signal according to corresponding liquid level signal; Its signal output part is also connected with ultrasonic signal generation module, controls its start and stop for transmitting on-off control order to ultrasonic signal generation module;
Multi-channel switch group, for receiving corresponding switch-over control signal and selecting to connect coupling inductance and corresponding transverter (2).
2. the ultrasonic wave pesticide wastewater degradation device of variable reactive capacity according to claim 1, is characterized in that: described ultrasonic signal generation module has SG3525 control chip.
3. the ultrasonic wave pesticide wastewater degradation device of variable reactive capacity according to claim 1, it is characterized in that: described driving isolation module comprises full bridge inverter and isolating transformer, isolating transformer has an input terminus and two output terminals, and the coil winding direction of two output terminals is reverse, the input terminus of full bridge inverter is connected with the output terminal of ultrasonic signal generation module, the input terminus of isolating transformer is connected with the output terminal of full bridge inverter, and two output terminals of isolating transformer are connected with power amplifier module respectively.
4. the ultrasonic wave pesticide wastewater degradation device of the variable reactive capacity according to claim 1 or 3, is characterized in that: described power amplifier module is semi-bridge type D class power amplification circuit.
5. the ultrasonic wave pesticide wastewater degradation device of variable reactive capacity according to claim 1, is characterized in that: described transverter (2) is three, described multi-channel switch Zu Wei tri-tunnel stand alone type change-over switch.
6. the ultrasonic wave pesticide wastewater degradation device of variable reactive capacity according to claim 1, is characterized in that: described multiple transverters (2) are bonded in the side of the upper reactive tank (1-1) of reaction vessel (1).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398959A (en) * | 2011-11-18 | 2012-04-04 | 江苏大学 | Method for degrading organophosphorus pesticide based on sweep-frequency double-frequency ultrasonic technology |
| CN103252314A (en) * | 2013-05-13 | 2013-08-21 | 河海大学常州校区 | Dynamic matching device of ultrasonic power supply and method thereof |
| CN103341466A (en) * | 2013-07-29 | 2013-10-09 | 河海大学常州校区 | Multi-frequency switchable underwater construction cleaning and maintenance device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398959A (en) * | 2011-11-18 | 2012-04-04 | 江苏大学 | Method for degrading organophosphorus pesticide based on sweep-frequency double-frequency ultrasonic technology |
| CN103252314A (en) * | 2013-05-13 | 2013-08-21 | 河海大学常州校区 | Dynamic matching device of ultrasonic power supply and method thereof |
| CN103341466A (en) * | 2013-07-29 | 2013-10-09 | 河海大学常州校区 | Multi-frequency switchable underwater construction cleaning and maintenance device |
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Granted publication date: 20150211 Termination date: 20181111 |