SU436564A1 - Ozonator post - Google Patents

Description

one

The invention relates to devices for producing ozone and improves the circuit for electrically feeding the ozonizers of the ozonatory station.

Ozonator posts are known that contain ozonizer units consisting of one or several barrier-type ozonizers, power transformers and means for electrically connecting transformers to ozonizers. The post has, in necessary cases, a console or control panel. As a rule, each ozonizer is equipped with an individual transformer. However, in some cases, the power supply transformer may be one per ozonator unit.

These ozonatory posts are characterized by a low value of power factor, low efficiency, inability to control the frequency, which significantly affects the performance of the equipment.

The purpose of the invention is to create an ozonator post with improved power factor and increased efficiency. in the processes of electrical energy conversion, as well as with the possibility of controlling the frequency over a wide range without a special frequency converter.

For this, the means of electrically connecting the ozonizers to the transformer are made in the form of a common rectifier for all ozonizers and separate for each ozonizer the charge and discharge control circuits of the ozonizer, the charge control circuit, consistent with the ozonizer, can, and

discharge control, parallel to the ozonizer, must contain a controllable switching device, whose operation can be determined by any known master circuit, and the resistance of these circuits, in general

complex, must be selected from the conditions of ensuring the rate of change of voltage on the ozonizers in the range from 10 to 10 o V / sec. In addition, resistance, especially in the case where the charge control circuit

the switch is made in the form of a passive element, selected such that the time constant of the charge control circuit is not less than three times the constant time of the discharge control circuit of the ozonizers. Finally,

To control the frequency of ozonizer operation, each ozonizer control circuit consists of a resistance, such as a reactive, and a controlled switching device.

FIG. 1 shows the block diagram of the proposed ozonator post; in fig. 2 - a possible version of the power unit concept; in fig. 3 - another possible variant of the power section; in fig. 4 is a diagram of the incorporation of ozonator units into a power circuit.

The ozone cell 1 (see Fig. 1) is connected to the power supply network via the control panel 2, the high voltage transformer 3 and the rectifier device 4. A switching device 6 with a current-limiting resistance of the ozonizer 7 (see Fig. 2). The switching device 6 and the limiting resistance 7 together with the ozonizer are the charging circuit of the ozonizer capacitors 5. In parallel with the ozonizer 5, the second switching device 8 and the current limiting discharge current of the ozonizer 5 are switched 9. The switching device 8, the resistance 9 and the ozonizer 5 represent a bit circuit. The control electrodes of the switching devices 6 and 8 are connected to the control unit 10. Thus, all ozonizers 5 of block 1 are connected in parallel to a rectifying high-voltage installation. The schemes of connecting ozonating blocks to one power source are possible, contained), its control panel, high-voltage transformer, and rectifier device.

; Ozonatorny pzst works as follows. n; ..;

-On. remote control up "". 2 connect the high-voltage transformer 3 to the mains. The alternating voltage at the output of the transformer 3 is rectified by rectifier 4. Run block 10, which opens the switching device 6 through the resistance 7 of the capacitance of the discharge gap and the dielectric barriers of the ozonizer 5 is charged to the threshold value of the barrier discharge voltage, and then excited the barrier discharge and the capacitance of the dielectric barriers are charged almost to the output value of the voltage of the rectifying device 4. After this, the device 6 is closed, and the device 8 is opened, as a result of th capacity ozonizer discharges itself on itself. At the same time, the energy accumulated in the process of charging the ozonizer's capacity is spent on the excitation of the discharge. The discharge current of the circuit is limited by the resistance 9. After the capacity of the electric barriers of the ozonizer 5 is discharged, the switching device 8 of the discharge circuit closes and the process repeats again. The resistance of the charge circuit 7 and the resistance of the discharge circuit 9, taking into account the impedance of the ozonizer 5, are chosen from the condition that the rate of change of voltage on the ozonizer is within a Yu-Yuu / sec.

In another embodiment of the power part of the power supply circuit of the ozonizer 5 (see Fig. 3), the switching device 6 of the charging circuit of the ozonizer tanks is missing.

In this case, when the ozonizer unit 1 is connected to the power source, each of the ozonizers 5 is charged through resistance 7 to the nominal voltage of the rectifier device 4. After this, the unit 10 sends a signal to the control electrode of the switching device 8 of the discharge circuit of the ozonizer 5 capacitors, the device 8 opens and the energy stored in the ozonizer tank is discharged to the discharge gap of the ozonizer 5 itself through the switching device 8. After that, the device closes and the capacity of the ozonizer 5 recharges 7 cut resistance.

The impedances of the charge and discharge circuits of the ozonizer's capacity are selected in such a way that the charge time of the capacity of the ozonizer 5 is more or equal to the tripled time of the discharge circuit. it

it is provided with an appropriate selection of the parameters of the resistances 7 and 8.

By changing the parameters of the resistances 7 and 9, it is possible to change the pulse frequency and the rate of voltage change on the discharge gap of the ozonizer 5, and, consequently, its performance.

The advantage of the proposed ozonator station is the possibility of easily adjusting the power of the discharge both by increasing the voltage level on the discharge gap of the ozonizer and by controlling the frequency. At the same time, the energy accumulated in the process of charging the capacity of the ozonizer, when it is discharged, is released in the discharge gap.

In addition, the power factor of such an ozonator station is generally determined only by the power factor of the rectifier.

Finally, such an ozonator circuit allows you to connect several ozonator units to a single power source, and not to contain for each ozonator unit

separate transformer.

Subject invention

Claims (3)

1. An ozonator station containing a series of barrier-type ozonizers, supplying a high-voltage transformer, and means for electrically connecting ozonizers to a transformer, characterized in that improve power factor and increase efficiency in electrical energy conversion processes, the means of electrically connecting ozonizers to a transformer contain a rectifier common to all ozonizers, control circuits for charging ozonizers, each of which is connected in series with a corresponding ozonizer and made, for example, in the form of reactance, and discharge control circuits for ozonizers , each of which is connected in parallel to the corresponding ozonizer and consists of a resistance, for example, a reactive, and a controlled switching device, and the resistance values of the charging control circuits the house and the ozone generator are chosen like this. that the rate of change of dad / wife on ozonizers is in the range: 10 -10 ° v / sec. 2. The ozonatory station according to claim 1, characterized in that the resistance values of the control circuits for charging and discharging ozonizers are chosen such that the time constant of the control circuit of the charge is no less than three times the nocTC: 4HHvofi time control circuit of the discharge of ozonizers. 3. An ozonator station according to Claim 1, characterized in that, in order to regulate the frequency of operation of the ozonizers, each ozonator control circuit consists of a resistance, for example, a reactive, and a controlled switching device. Network G I1 I1 Rig. m i