CN218132551U - Device for reducing dust removal resistance of ceramic tube by using pulse high voltage - Google Patents
Device for reducing dust removal resistance of ceramic tube by using pulse high voltage Download PDFInfo
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- CN218132551U CN218132551U CN202221717736.7U CN202221717736U CN218132551U CN 218132551 U CN218132551 U CN 218132551U CN 202221717736 U CN202221717736 U CN 202221717736U CN 218132551 U CN218132551 U CN 218132551U
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Abstract
The utility model relates to a high voltage power supply technical field, concretely relates to utilize pulse high pressure to reduce device of ceramic pipe dust removal resistance. The device comprises a power frequency alternating current power supply, an alternating current direct current converter control circuit, a controller, 4 acquisition circuits, an ion generator, a porous ceramic tube dust remover, a protection circuit, a pulse generation and boosting circuit and a semiconductor switch control circuit. The utility model discloses dirty gas flows through ion generator, and pulse high pressure direct ionization is at the dirty gas in wherein, produces a large amount of ions, and the dust in the gas collides with the ion in the generator, and the dust in the gas is taken the electric charge of homopolarity, later gets into porous ceramic pipe dust remover through the pipeline and filters, and the dust makes the dust granule pile up at ceramic pipe surface gathering, and the ceramic pipe surface takes homopolarity electric charge dust layer texture loose, and the air resistance reduces.
Description
Technical Field
The utility model relates to a high voltage power supply technical field, concretely relates to utilize pulse high pressure to reduce device of ceramic pipe dust removal resistance.
Background
Waste gas in the industries of chemical industry, metallurgy, electric power, building materials, pharmacy, food processing and the like can be discharged to the outside after being subjected to dust removal and filtration treatment, otherwise, the environment can be seriously polluted. However, with the increase of high temperature, high dust, high specific resistance and chemical composition of the waste gas discharged by the industries, the existing common spiral dust removing equipment, electric dust removing equipment, wet dust removing equipment and bag type dust removing equipment can not meet the waste gas treatment requirements of the severe working conditions.
The porous ceramic tube dust collector has the outstanding advantages of high temperature resistance, corrosion resistance, high mechanical strength, stable structure, no deformation, long service life and the like, and is considered to be the best choice for the thermal particle filtering material. The porous ceramic tube dust collector has high separation efficiency, the dust removal rate can generally exceed 99.99 percent, and the filtering performance of the porous ceramic tube dust collector is incomparable with other dust removal and collection equipment especially for filtering fine particles below PM 2.5. With the development of the technology, the denitration catalyst filled in the ceramic tube can realize the integration of dust removal and denitration of the ceramic tube, so that the ceramic tube has higher application value.
The porous ceramic filter tube is used for filtering dust of industrial waste gas, the effect is stable and reliable, but because the filter aperture is small, resistance is very large after dust is deposited on the surface of the porous ceramic gas filter tube, so that the induced draft fan has high power consumption and high operation cost.
In view of this, a device for reducing the dust removal resistance of the ceramic tube by using pulse high pressure is particularly provided.
Disclosure of Invention
An object of the utility model is to provide an utilize pulse high pressure to reduce device of ceramic pipe dust removal resistance to current problem among the above-mentioned background art is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a device for reducing the dust removal resistance of a ceramic tube by using pulse high voltage comprises a pulse high voltage power supply, an ion generator, a controller, a dust-containing gas inlet flue interface, a dust-containing gas outlet flue interface and a porous ceramic tube dust remover;
the pulse high-voltage power supply comprises a power frequency alternating-current power supply, an alternating-current direct-current converter control circuit, 4 acquisition circuits, a protection circuit, a pulse generation and boosting circuit and a semiconductor switch control circuit;
the power frequency alternating current power supply is connected with the alternating current-direct current converter and is used for providing power frequency alternating current for the alternating current-direct current converter;
the alternating current-direct current converter control circuit is used for adjusting the output direct current VDC1 of the alternating current-direct current converter according to the signal of the controller;
the alternating current-direct current converter is used for adjusting the voltage of direct current VDC1, controlling the peak voltage of the pulse generation and boosting circuit, controlling the ion quantity of the ion generator and adjusting the charge intensity of dust;
one acquisition circuit is connected between the alternating current-direct current converter and the controller and used for acquiring the output voltage of the alternating current-direct current converter and sending the output voltage to the controller; the second acquisition circuit is connected between the ionizer and the controller and is used for acquiring the output voltage of the ionizer and sending the output voltage to the controller; the third acquisition circuit is connected between the pulse generation and voltage boosting circuit and the controller and is used for acquiring the output current of the pulse generation and voltage boosting circuit and sending the output current to the controller; the fourth acquisition circuit is arranged between the porous ceramic tube dust remover and the controller and used for acquiring the voltage of the porous ceramic tube dust remover and sending the voltage to the controller;
the pulse generating and boosting circuit is used for converting direct current into high-voltage pulses;
the protection circuit is used for providing high-voltage breakdown buffer protection for the ionizer and comprises a resistor R1, a diode D2 and a capacitor C2, wherein the resistor R1 is connected with the diode D2 in parallel;
the semiconductor switch control circuit is connected between the pulse generation and boost circuit and the controller and is used for controlling the ion generation times according to the signal of the controller and controlling the charge times;
the porous ceramic tube dust remover is connected with the ion generator through a pipeline and is used for purifying dust-containing gas treated by the ion generator.
Preferably, the pulse generating and boosting circuit comprises a current-limiting inductor L1, an inductor L2, a diode D1, an energy-storage capacitor C3, a pulse transformer TR1, a current sensor I1 and a power semiconductor switch VT1, wherein the positive electrode of the direct current VDC1 charges the energy-storage capacitor C3 through the current-limiting inductor L1 and the diode D1, and returns to the negative electrode of the VDC1 through the inductor L2, the primary coil of the pulse transformer TR1 and the current sensor I1, after the energy-storage capacitor C3 is charged, the power semiconductor switch VT1 is controlled to be switched on, a low-voltage pulse is input to the primary coil of the pulse transformer TR1 after being switched on, the secondary coil of the pulse transformer TR1 is boosted, and a high-voltage pulse VC2 is output.
Preferably, a plurality of ceramic tubes are arranged in the porous ceramic tube dust remover.
Preferably, a gas flowmeter is arranged in a pipeline between the porous ceramic tube dust remover and the ion generator and used for collecting the gas flow in the pipeline and sending the gas flow to the controller.
Preferably, the mechanical structure of the ionizer is a bobbin structure.
Preferably, the bobbin structure of the ionizer is a single bobbin structure.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The single-wire-barrel structure is adopted, the process is simple, and the ion generator is directly inserted into the pipeline at the inlet, so that the running resistance of the ceramic dust remover is reduced;
(2) Compared with a direct current power supply mode, the high-voltage direct current power supply mode provides continuous electric field force, and the ion generator is equivalent to an electric dust removal electric field, so that dust accumulation causes flue gas pipeline blockage; the utility model discloses a pulse mode, a large amount of ions of instantaneous production are only used for the collision lotus electricity. The average electric field intensity in the ion generator is low, no dust removal effect is realized, and the blockage of a flue gas pipeline caused by dust collection and dust accumulation of the ion generator can be prevented;
(3) The reliability is high, dust charge of the controllable pulse high-voltage ion generator is charged, microsecond pulse waveforms are generated, and the equipment is not easy to generate high-voltage breakdown;
(4) The energy consumption of equipment operation is low-the controllable pulse high-voltage ion generator is charged with dust, and after the pulse occurs, the residual energy of the plasma generator is recovered through the half wave of the current. Optimizing pulse high-pressure output frequency according to the change of the flue gas flow, and optimizing equipment energy consumption;
(5) The electric parameters can be adjusted through program software, and the dust remover is suitable for porous ceramic tube dust removers with different sizes.
Drawings
FIG. 1 is a system diagram of an apparatus for reducing the dust removal resistance of a ceramic tube using a pulsed high voltage according to the present invention;
FIG. 2 is a schematic circuit diagram of a device for reducing the dust removal resistance of a ceramic tube by using pulsed high voltage according to the present invention;
FIG. 3 is a schematic circuit diagram of K1-K4 of FIG. 2;
FIG. 4 is a schematic circuit diagram of Q1-Q2 of FIG. 2;
FIG. 5 is a graph comparing the voltage waveform of ionizer FZ1 and the resonant pulse current waveform of the primary coil of pulse transformer TR1 in milliseconds of FIG. 2;
fig. 6 is a graph comparing the voltage waveform of the single pulse of the ionizer FZ1 and the current waveform of the single resonance pulse of the primary coil of the pulse transformer TR1 in nanosecond level in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a technical solution, a device for reducing the dust-removing resistance of ceramic tube by using pulse high voltage, comprising a power frequency ac power source Vabc, an ac dc converter MT1, an ac dc converter control circuit Q1, a controller MT2, 4 collecting circuits, an ion generator FZ1, a porous ceramic tube dust remover BF1, a protection circuit, a pulse generation and boost circuit and a semiconductor switch control circuit Q2, a dust-containing gas inlet flue interface, and a dust-containing gas outlet flue interface;
a power frequency alternating current power supply Vabc is connected with the alternating current-direct current converter MT1 and used for providing power frequency alternating current for the alternating current-direct current converter MT 1;
the alternating current-direct current converter control circuit Q1 is used for adjusting the output direct current VDC1 of the alternating current-direct current converter MT1 according to the signal of the controller MT 1;
the 4 acquisition circuits are respectively a direct current voltage acquisition circuit K1, a pulse generation and boosting circuit current acquisition circuit K2, an ionizer FZ1 voltage peak acquisition circuit K3 and a porous ceramic tube dust collector BF1 voltage acquisition circuit, wherein the K1 is connected between an alternating current-direct current converter MT1 and a controller MT2 and is used for acquiring the output voltage of the alternating current-direct current converter and sending the output voltage to the controller MT2; k3 is arranged between the ionizer FZ1 and the controller MT2 and is used for collecting the output voltage of the ionizer and sending the output voltage to the controller; k2 is connected between the pulse generation and voltage boosting circuit and the controller MT2 and used for collecting the output current of the pulse generation and voltage boosting circuit and sending the output current to the controller MT2; k4 is arranged between the porous ceramic tube dust collector BF1 and the controller MT2 and is used for collecting the voltage of the inlet and the outlet of the porous ceramic tube dust collector BF1 so as to monitor the resistance change of the ceramic tube dust collector and send the resistance change to the controller MT2;
the pulse generating and boosting circuit is used for converting direct current into high-voltage pulses and comprises a current-limiting inductor L1, an inductor L2, a diode D1, an energy-storage capacitor C3, a pulse transformer TR1, a current sensor I1 and a power semiconductor switch VT1, wherein the positive electrode of direct current VDC1 charges the energy-storage capacitor C3 through the current-limiting inductor L1 and the diode D1, and returns to the negative electrode of VDC1 through an inductor L2, a primary coil of the pulse transformer TR1 and the current sensor I1, the power semiconductor switch VT1 is controlled to be conducted after the energy-storage capacitor C3 is charged, low-voltage pulses are input into the primary coil of the pulse transformer TR1 after the conduction, a secondary coil of the pulse transformer TR1 is boosted, and high-voltage pulses VC2 are output;
protection circuit takes place with the pulse and is connected with boost circuit for take place and boost circuit provides high-voltage breakdown buffering protection to the pulse, including resistance R1, diode D2 and electric capacity C2, wherein, resistance R1 and diode D2 are parallelly connected, the effect is one, when ion generator FZ1 is inside takes place the high-voltage breakdown flashover, pulse transformer TR1 secondary coil reverse impulse current, couple to pulse transformer TR1 primary, reverse impulse current is through inductance L2 (L2 can be transformer leakage inductance) this moment, energy storage capacitor C3, diode D2, get into absorption capacitor C2, provide high-voltage breakdown buffering protection. Secondly, restraining the peak voltage of the VT1 end of the power semiconductor switch;
the porous ceramic tube dust collector BF1 is connected with the ion generator FZ1 through a pipeline and is used for purifying the dust-containing gas treated by the ion generator FZ 1; the inlet flue interface for the dust-containing gas to enter and the outlet flue interface for the dust-containing gas to discharge are arranged at two ends of the ion generator;
the semiconductor switch control circuit Q2 is connected between the pulse generating and boosting circuit and the controller MT2, and is used for adjusting the pulse voltage frequency of the pulse generating and boosting circuit according to a signal of the controller MT2, thereby controlling the density of the generated plasma.
Further, a plurality of ceramic tubes CT1 are arranged inside the porous ceramic tube dust collector BF1.
Further, a gas flow meter S1 is arranged in a pipeline F2 between the porous ceramic tube dust collector BF1 and the ion generator FZ1, and is used for collecting the gas flow in the pipeline and sending the gas flow to the controller MT2.
Further, the porous ceramic dust remover is connected with the ion generator through a pipeline and used for purifying the dust-containing gas treated by the ion generator.
Further, the mechanical structure of the ionizer FZ1 is a wire barrel structure, and specifically, a pulse-single wire barrel structure can be adopted. One electrode of the ion generator is a linear electrode, and the other electrode is a cylinder. The linear cylinder type ion generator is arranged in a flue gas pipeline at the inlet of the porous ceramic tube dust remover, and the pulse high voltage generates a large amount of ions in the linear cylinder type ion generator to collide with dust particles in the flue gas pipeline at the inlet of the porous ceramic tube dust remover so as to complete charging.
The working principle is as follows: as shown in fig. 2, an ionizer FZ1 was inserted into the flue gas duct at the inlet of the porous ceramic tube dust collector BF1. The dust-containing gas E1 of the system enters an inlet flue interface through the dust-containing gas of the pipeline F1 and flows into the ion generator FZ1, the pulse high voltage directly ionizes the dust-containing gas E1 in the generator, and a large amount of ions are generated in the gas. The dust in the gas collides with ions in the ion generator FZ1, the dust in the gas is charged with the same polarity, and then the dust is discharged from the inlet flue interface through the dust-containing gas and flows through the pipeline F2, and then enters the porous ceramic tube dust remover BF1 from the inlet P1. When the dust-containing gas passes through the porous ceramic tube CT1, dust is gathered on the surface of the ceramic tube CT1, dust particles on the surface of the ceramic tube CT1 are mutually repulsive force due to charges with the same polarity, so that the dust particles are stacked and loosened, a dust layer with the charges with the same polarity on the surface of the ceramic tube CT1 is loose in texture and small in air resistance, the power consumption of an induced draft fan is reduced, and the operation cost is reduced. The purified gas flows out from an outlet P2 of the porous ceramic tube dust collector BF1.
On the other side, after a power frequency alternating current power supply Vabc is connected, direct current VDC1 is output through the conversion of an alternating current-direct current converter MT1, and C1 is a direct current filter capacitor. The positive electrode of direct current VDC1 charges an energy storage capacitor C3 through a current-limiting inductor L1 and a diode D1, and then returns to the negative electrode of the VDC1 through an inductor L2 (L2 can be a transformer leakage inductor), a primary coil of a pulse transformer TR1 and a current sensor I1. The energy storage capacitor C3, the inductor L2 (L2 can be a transformer leakage inductor), a primary coil of the pulse transformer TR1 and the power semiconductor switch VT1 form a pulse discharge loop. After the energy storage capacitor C3 is charged, the power semiconductor switch VT1 can be controlled to be turned on (generally, the on-time is less than 20 microseconds), after the power semiconductor switch VT1 is turned on, a low-voltage pulse is input to the primary coil of the pulse transformer TR1, the voltage of the secondary coil of the pulse transformer TR1 is boosted, and a high-voltage pulse VC2 is output. The high voltage pulse VC2 generates a high voltage electric field in the ion generator FZ1, the high voltage electric field directly ionizes dust-containing gas, dust in the gas collides with ions in the generator, and the dust in the gas is charged with charges with the same polarity.
The controller MT2 can control the conduction of the power semiconductor switch VT1 through the semiconductor switch control circuit Q2 at a fixed frequency, control the frequency of the generated pulse voltage, and control the density of the generated ions. The controller MT2 can also automatically control the pulse frequency output according to the acquisition sensor S1 (flue gas flowmeter) to optimize the operation energy consumption. The controller MT2 can also change the voltage value of the direct current voltage VDC1 through the alternating current direct current converter control circuit Q1, control the peak voltage inside the ion generator FZ1, control the density of ions, adapt to different temperatures and humidity of dust-containing gas, prevent the gas insulation reduction caused by different temperature and humidity of the gas, prevent the high voltage breakdown caused by the reduction of the gas insulation, and improve the working stability.
K1 The system comprises a direct-current voltage acquisition circuit, a K2 pulse generator TR1 current acquisition circuit, a K3 ion generator FZ1 voltage peak value acquisition circuit and a K4 ceramic dust collector voltage acquisition circuit, is connected to a controller MT2 and is used for monitoring the states of the pulse generation circuit and the ion generator FZ1 and the resistance change of a porous ceramic tube dust collector BF1, and functions of automatic control, fault protection and the like are realized.
R1, D2, C2 constitute protection circuit, and effect one, when ion generator FZ1 is inside to take place the high voltage breakdown flashover, pulse transformer TR1 secondary coil reverse impulse current, the coupling to pulse transformer TR1 primary coil, reverse impulse current is through inductance L2 (L2 can be transformer leakage inductance), energy storage capacitor C3, diode D2 this moment, gets into absorption capacitor C2, provides the high voltage breakdown buffer protection. And secondly, restraining the peak voltage of the VT1 end of the power semiconductor switch.
The ionizer FZ1 is mainly used for constructing a non-uniform electric field and generating ions by using pulsed high voltage. The structure can be a wire tube structure, and the wire tube structure is convenient to be connected with a flue gas pipeline. Preferably, a single-wire barrel structure is adopted, and the process is simple. The cylinder is a single metal cylinder with a diameter of 200-700 mm and a wall thickness of 3-10mm, a wire or tube is arranged in the center of the metal cylinder, and the wire or tube is provided with a discharge tip.
And the inductor L2 (L2 can be a transformer leakage inductor) and a capacitor formed by the structure of the ion generator FZ1 form series resonance, so that the charge recovery in the ion generator FZ1 can be realized.
The sensor signal is transmitted to the controller MT2 after being isolated and converted, so that the anti-interference capacity is improved, and a specific circuit schematic diagram is shown as 3; Q1-Q2 are drive control circuits with photoelectric isolation, and a specific circuit schematic diagram is shown in FIG. 4.
VC1 is a voltage waveform, a unipolar pulsed voltage, preferably a positive voltage, on the ionizer FZ1, as shown in fig. 5. The controller MT2 changes the voltage value of the dc voltage VDC1 through the ac/dc converter control circuit Q1, controls the Peak voltage VC1Peak inside the ionizer FZ1, and controls the intensity of plasma.
TS is pulse high voltage repetition interval, and through work frequency regulation, the controller MT2 controls the conduction of the power semiconductor switch VT1 through the semiconductor switch control circuit Q2, controls the frequency of pulse voltage generation, and controls the generation times of the plasma intensity.
I1 is a primary coil resonance pulse current waveform of a pulse transformer TR1, the voltage VC1 of the ionizer FZ1 is charged to the maximum peak value by the front half-wave current, the charge of the ionizer FZ1 is recovered by the rear half-wave current, and VC1 is reduced to 0V.
VC1 is a single pulse voltage waveform, a unipolar pulse voltage, preferably a positive voltage, on the ionizer FZ1, as shown in fig. 6.
I1 is a single-resonance pulse current waveform of a primary coil of a pulse transformer TR1, and it can be seen from the figure that the voltage VC1 of the ionizer FZ1 is charged to the maximum Peak value by the first half-wave current, the current zero crossing point corresponds to the Peak voltage VC1Peak, the charge of the ionizer FZ1 is recovered by the second half-wave current, and VC1 is reduced to 0V. The first half wave current flows through the power semiconductor switch VT1 and the second half wave current flows through the anti-parallel diode of the power semiconductor switch VT 1. The pulse width for driving the power semiconductor switch VT1 by Q2 should be larger than PW, preferably just before the zero crossing of the current I1.
The utility model discloses in the pipeline of porous ceramic pipe dust remover entry, insert ion generator. The dusty gas flows through the ionizer and the pulsed high voltage directly ionizes the dusty gas in the generator, generating a large number of ions in the gas. The dust in the gas collides with ions in the generator, is charged with the same polarity, and then enters the porous ceramic tube dust remover through the pipeline for filtering. When the dust-containing gas passes through the porous ceramic tube, dust is gathered on the surface of the ceramic tube, dust particles on the surface of the ceramic tube are mutually repulsive due to charges with the same polarity, so that the dust particles are stacked to be loose, a dust layer with the charges with the same polarity on the surface of the ceramic tube is loose in texture, air resistance is small, the power consumption of the induced draft fan is reduced, and the operation cost is reduced.
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The related modules involved in the system are all hardware system modules or are functional modules combining computer software programs or protocols with hardware in the prior art, and the computer software programs or the protocols involved in the functional modules are all known to the technology of persons skilled in the art, and are not improvements of the system; the improvement of the system is the interaction relation or the connection relation among all the modules, namely the integral structure of the system is improved so as to solve the corresponding technical problems to be solved by the system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an utilize pulse high pressure to reduce device of ceramic tube dust removal resistance which characterized in that: the device comprises a pulse high-voltage power supply, an ion generator, a controller, a dust-containing gas inlet flue interface, a dust-containing gas outlet flue interface and a porous ceramic tube dust remover;
the pulse high-voltage power supply comprises a power frequency alternating-current power supply, an alternating-current direct-current converter control circuit, 4 acquisition circuits, a protection circuit, a pulse generation and boosting circuit and a semiconductor switch control circuit;
the power frequency alternating current power supply is connected with the alternating current-direct current converter and is used for providing power frequency alternating current for the alternating current-direct current converter;
the alternating current-direct current converter control circuit is used for adjusting the output direct current VDC1 of the alternating current-direct current converter according to the signal of the controller;
the alternating current-direct current converter is used for regulating the voltage of direct current VDC1, controlling the peak voltage of the pulse generation and boosting circuit, controlling the quantity of ions of the ion generator and regulating the charge intensity of dust;
one acquisition circuit is connected between the alternating current-direct current converter and the controller and used for acquiring the output voltage of the alternating current-direct current converter and sending the output voltage to the controller; the second acquisition circuit is connected between the ionizer and the controller and is used for acquiring the output voltage of the ionizer and sending the output voltage to the controller; the third acquisition circuit is connected between the pulse generation and voltage boosting circuit and the controller and is used for acquiring the output current of the pulse generation and voltage boosting circuit and sending the output current to the controller; the fourth acquisition circuit is arranged between the porous ceramic tube dust remover and the controller and used for acquiring the voltage of the porous ceramic tube dust remover and sending the voltage to the controller;
the pulse generating and boosting circuit is used for converting the direct current into high-voltage pulses;
the protection circuit is used for providing high-voltage breakdown buffering protection for the ionizer and comprises a resistor R1, a diode D2 and a capacitor C2, wherein the resistor R1 is connected with the diode D2 in parallel;
the semiconductor switch control circuit is connected between the pulse generation and boost circuit and the controller and is used for controlling the ion generation times and the charge times according to the signal of the controller;
the porous ceramic tube dust remover is connected with the ion generator through a pipeline and is used for purifying dust-containing gas treated by the ion generator.
2. The device for reducing the dust removal resistance of the ceramic tube by using the pulsed high voltage as claimed in claim 1, wherein: the pulse generating and boosting circuit comprises a current-limiting inductor L1, an inductor L2, a diode D1, an energy storage capacitor C3, a pulse transformer TR1, a current sensor I1 and a power semiconductor switch VT1, wherein the positive pole of a direct current VDC1 passes through the current-limiting inductor L1 and the diode D1 to charge the energy storage capacitor C3, and then passes through the inductor L2, the primary coil of the pulse transformer TR1 and the negative pole of the current sensor I1 returning to the VDC1, after the energy storage capacitor C3 is charged, the power semiconductor switch VT1 is controlled to be conducted, the primary coil of the pulse transformer TR1 inputs low-voltage pulses after being conducted, the secondary coil of the pulse transformer TR1 boosts voltage, and high-voltage pulses VC2 are output.
3. The device for reducing the dust removal resistance of the ceramic tube by using the pulsed high voltage as claimed in claim 1, wherein: and a plurality of ceramic tubes are arranged in the porous ceramic tube dust remover.
4. The device for reducing the dust removal resistance of the ceramic tube by using the pulsed high voltage as claimed in claim 1, wherein: and a gas flowmeter is arranged in the pipeline between the porous ceramic tube dust remover and the ion generator and used for collecting the gas flow in the pipeline and sending the gas flow to the controller.
5. The apparatus for reducing the dust removal resistance of a ceramic tube using a pulsed high voltage according to any one of claims 1 to 4, wherein: the mechanical structure of the ion generator is a bobbin structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221717736.7U CN218132551U (en) | 2022-07-04 | 2022-07-04 | Device for reducing dust removal resistance of ceramic tube by using pulse high voltage |
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| CN202221717736.7U CN218132551U (en) | 2022-07-04 | 2022-07-04 | Device for reducing dust removal resistance of ceramic tube by using pulse high voltage |
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