CN103553180A - Ultrasonic pesticide wastewater degradation device with variable reaction volume - Google Patents

Ultrasonic pesticide wastewater degradation device with variable reaction volume Download PDF

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Publication number
CN103553180A
CN103553180A CN201310556700.4A CN201310556700A CN103553180A CN 103553180 A CN103553180 A CN 103553180A CN 201310556700 A CN201310556700 A CN 201310556700A CN 103553180 A CN103553180 A CN 103553180A
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China
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ultrasonic
module
signal
transverter
liquid level
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CN201310556700.4A
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Chinese (zh)
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CN103553180B (en
Inventor
蒋小燕
曹智勇
姚澄
王斌
何贞兵
朱昌平
韩庆邦
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河海大学常州校区
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Publication of CN103553180A publication Critical patent/CN103553180A/en
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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

The ultrasonic wave agricultural chemicals waste water decomposition apparatus of variable reactive capacity

Technical field

The present invention relates to a kind of ultrasonic wave agricultural chemicals waste water decomposition apparatus 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.Along with the raising of people's living standard, the problem of environment and the eubiosis receives publicity day by day in recent years, how to eliminate the study hotspot that pesticide residue in environment have become countries in the world.In world wide, Methods of Degrading Pesticide Residues mainly contains at present:

The conventional physical methods such as 1, absorption, washing and irradiation.To the washing composition that the degraded removal effect of lower concentration remains of pesticide is thorough not, labour intensity is large, water loss is large and add, there is secondary pollution problem in this method in washing process.

2, the chemical process such as oxygenolysis, hydrolysis and photochemical degradation.Utilize this method degrading pesticide residues generally 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, preserve the ecological environment and HUMAN HEALTH has important practical significance.At the beginning of the nineties, the advantage such as ultrasonic degradation technology is efficient with it, low consumption, equipment are simple, has caused researchist and stakeholder's concern, and Chinese scholars has been 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 of the ultrasonic wave of research under certain fixed volume to the degraded of different concns different sorts agricultural chemicals waste water, all exist that complex structure, condition are fixed, degradation efficiency is low, the problems such as the wastewater flow rate of processing is immutable.

Summary of the invention

Technical problem to be solved by this invention is the defect that overcomes prior art, a kind of ultrasonic wave agricultural chemicals waste water decomposition apparatus of variable reactive capacity is provided, it can meet the agricultural chemicals waste water degraded under co-content not, and there is equally degradation capability well, prevent that transverter from, because excessive accumulated heat causes damage, having accelerated the cleaning degraded to agricultural chemicals waste water simultaneously.

In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of ultrasonic wave agricultural chemicals waste water decomposition apparatus 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 a plurality of 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;

A plurality of transverters, it is arranged on reaction vessel to drive liquid generation cavitation effect in reactive tank, and is along the shape that is arranged side by side in liquid level lifting 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, for driving power amplification module, works;

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, it is mated with information source impedance phase;

Coupling inductance, its output terminal is connected with corresponding transverter selectivity by multi-channel switch group respectively, for the transverter to corresponding, carries out resonance matching;

Controller, its signal output part is connected with the control signal input terminus of multi-channel switch group, for producing corresponding switch-over control signal according to corresponding liquid level signal, passes to multi-channel switch group; Its signal output part is also connected with ultrasonic signal generation module, for transmitting on-off control order, to ultrasonic signal generation module, controls its start and stop.

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 anti-phase, the input terminus of full bridge inverter is connected with the output terminal of supersonic signal generator, 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 ultrasonic power amplification module respectively.

Further, described ultrasonic power amplification 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 switches.

Further, described a plurality of transverters are bonded in a side of reactive tank on reaction vessel.

Adopted after technique scheme; this ultrasonic wave agricultural chemicals waste water decomposition apparatus can be realized 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, 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 agricultural chemicals waste water decomposition apparatus of variable reactive capacity of the present invention;

Fig. 2 is the structural representation of reaction vessel of the present invention.

Embodiment

For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below.

As shown in Figure 1, a ultrasonic wave agricultural chemicals waste water decomposition apparatus for 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 a plurality of 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;

A plurality of transverters 2, it is arranged on reaction vessel 1 to drive liquid generation cavitation effect in reactive tank 1-1, and is along the shape that is arranged side by side in liquid level lifting 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, for driving power amplification module, works;

Power amplifier module, its output terminal is connected with impedance-matching transformer; For ultrasound drive signals is carried out to power magnification;

Impedance-matching transformer, its output terminal is connected with coupling inductance, for converting the impedance of corresponding transverter 2, it is mated with information source impedance phase;

Coupling inductance, its output terminal is connected with corresponding transverter 2 selectivity by multi-channel switch group respectively, for the transverter 2 to corresponding, carries out resonance matching; Coupling inductance and transverter 2 direct capacitance C 0realize resonance matching, coupling inductance can manual switchover sense value, in order to mate different direct capacitance C under different liquid level working ordeies 0;

Controller, its signal output part is connected with the control signal input terminus of multi-channel switch group, for producing corresponding switch-over control signal according to corresponding liquid level signal, passes to multi-channel switch group; Its signal output part is also connected with ultrasonic signal generation module, for transmitting on-off control order, to ultrasonic signal generation module, controls its start and stop.

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.By changing the 6th pin resistance value, produce ultrasonic wave actuate signal, output is connected with driving isolation module.

Controller adopts MSP430F149 micro-chip, controls the work of ultrasonic signal generation module, controls the break-make of three tunnel stand alone type electronics switches select corresponding transverter 2 work according to the feedback information of water level switch.

In order to improve the driving force of signal, be beneficial to and drive follow-up ultrasonic power amplification 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 anti-phase, the input terminus of full bridge inverter is connected with the output terminal of supersonic signal generator, 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 ultrasonic power amplification module respectively.

Ultrasonic power amplification module is semi-bridge type D class power amplification circuit, and the signal that front end is produced is converted to high voltage power signal, and output 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 switches, and transverter 2 is all bonded in a side of reactive tank 1-1 on reaction vessel 1.

The principle of work of the present embodiment is as follows:

First determine the ultrasonic frequency that experiment needs, in corresponding reaction vessel 1, add appropriate deionized water and reactant, suppose that experiment water level is at second transverter 2 place, controller detects the information that obtains height of liquid level after the signal of liquid level switch, two row's transverters 2 work below the group selection of control multi-channel switch, ultrasonic signal generation module produces the one pole 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, the one pole square-wave signal that two-way with same frequency and reversed-phase peak value is 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 (340V left and right), after being amplified, at power amplifier module output terminal, connect impedance-matching transformer, 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 work, under the effect of ultrasonic electric signal, transverter 2 is converted into high-frequency mechanical vibration by the ultrasonic electric signal of input and drives reaction vessel 1 vibration, thereby make the liquid generation ultrasonic cavitation effect in reaction vessel 1, agricultural chemicals waste water is cleaned and degraded, experiment finishes laggard row data gathering and analysis.

Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention is solved further describe; institute is 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 modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (6)

1. a ultrasonic wave agricultural chemicals waste water decomposition apparatus 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 a plurality of 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 the interior liquid of reactive tank (1-1) and being passed to controller;
A plurality of transverters (2), it is upper to drive the interior liquid generation of reactive tank (1-1) cavitation effect that it is arranged on reaction vessel (1), and be along the shape that is arranged side by side in liquid level lifting 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, for driving power amplification module, works;
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), it is mated with information source impedance phase;
Coupling inductance, its output terminal is connected with corresponding transverter (2) selectivity by multi-channel switch group respectively, for the transverter to corresponding (2), carries out resonance matching;
Controller, its signal output part is connected with the control signal input terminus of multi-channel switch group, for producing corresponding switch-over control signal according to corresponding liquid level signal, passes to multi-channel switch group; Its signal output part is also connected with ultrasonic signal generation module, for transmitting on-off control order, to ultrasonic signal generation module, controls its start and stop;
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 agricultural chemicals waste water decomposition apparatus 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 agricultural chemicals waste water decomposition apparatus 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 anti-phase, the input terminus of full bridge inverter is connected with the output terminal of supersonic signal generator, 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 ultrasonic power amplification module respectively.
4. according to the ultrasonic wave agricultural chemicals waste water decomposition apparatus of the variable reactive capacity described in claim 1 or 3, it is characterized in that: described ultrasonic power amplification module is semi-bridge type D class power amplification circuit.
5. the ultrasonic wave agricultural chemicals waste water decomposition apparatus 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 switches.
6. the ultrasonic wave agricultural chemicals waste water decomposition apparatus of variable reactive capacity according to claim 1, is characterized in that: described a plurality of transverters (2) are bonded in a side of the upper reactive tank (1-1) of reaction vessel (1).
CN201310556700.4A 2013-11-11 2013-11-11 Ultrasonic pesticide wastewater degradation device with variable reaction volume CN103553180B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

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