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Discharge tube element which produce ozone

A discharge tube and component technology, which is applied in the field of ozone generator equipment, can solve problems such as leakage loss, dielectric breakdown, and lowering the dielectric constant of the dielectric, so as to avoid deviations in processing accuracy and reduce length and processing accuracy, the effect of no attenuation of ozone concentration

Inactive Publication Date: 2006-05-10
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large surface area of ​​the electrodes of the sleeve-type discharge tube element, the capacitance between the two electrodes is also large. Since the capacitance of the element is inversely proportional to the electric field strength, to increase the electric field strength of the element, it is necessary to increase the power input to the corona element. Peak voltage, which can easily cause the dielectric body to be broken down due to long-term work in a high-voltage state, thus affecting the service life of the discharge tube components
The grounding electrode of this discharge tube element will be charged in the cooling water due to direct grounding and water cooling, which will cause a certain leakage loss
In addition, the ozone generator equipment using such tube-type and plate-type discharge tube components usually has defects such as large volume, low ozone output, high energy consumption, high failure rate, and difficult maintenance.
The main reasons that cause these defects are: in order to reduce power consumption, the existing ozone generator usually makes the thickness of the corona element dielectric or the thickness of the dielectric coating into a thinner shape, which will reduce the thickness of the dielectric. When the applied voltage of the power supply is too high, the corona element is often easily broken down; in order to increase the ozone concentration in the existing ozone generator, it is necessary to increase the length of the dielectric body of the discharge tube corona element and improve the processing accuracy. This will greatly increase the manufacturing cost and processing difficulty of the ozone generator; in addition, because the electrode surface area of ​​most tubular and plate-type combined corona elements is too large, the capacitance between the two electrodes increases sharply. When the applied peak voltage remains unchanged, the discharge gap The electric field strength inside is weakened by the large capacitance between the two poles

Method used

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  • Discharge tube element which produce ozone
  • Discharge tube element which produce ozone
  • Discharge tube element which produce ozone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1, as figure 1 , figure 2 As shown, the discharge tube unit that generates ozone is provided with mutually insulated and symmetrical stainless steel casing high-voltage electrode groups (1) on the outer surface of the tubular dielectric body (3) to form a discharge tube unit, which is symmetrical and insulated from each other. They are respectively connected to two high-voltage input terminals of the high-frequency power supply, and a tubular dielectric body (3) is separated between the high-voltage electrode tube (1) and the stainless steel tube grounding electrode (2). The two high-voltage electrode groups (1) are separated from each other in the axial direction by insulating ring pads (4) to prevent short circuits between the two poles. Dielectric body positioning cards (12) and discharge electrodes are arranged on the insulating material ring pads (4). The air vent of the gap (6); place a coaxial stainless steel pipe grounding electrode (2) in the tubul...

Embodiment 2

[0031] Embodiment 2, as image 3 , Figure 4 As shown, the ozone-generating discharge tube unit is directly coated or sintered on the outer surface of the tubular dielectric body (3) with ring-shaped conductive films that are symmetrical to each other and spaced more than 20mm apart from each other, forming two high-voltage electrodes (1) of the discharge tube element. Conductive film, high-voltage electrode (1) The conductive film is respectively connected to the two high-voltage input terminals of the power supply, and the conductive film of the two high-voltage electrodes (1) is made of insulating materials such as polytetrafluoroethylene and polyvinyl chloride along the axial direction. The ring gasket (4) is isolated to prevent short circuit between the two poles, and the positioning card (12) of the tubular dielectric body (3) and the vent hole of the discharge gap (6) are arranged on the insulating material ring gasket (4); Or the two high-voltage electrodes (1) formed...

Embodiment 3

[0032] Embodiment 3, as Figure 5 , Figure 6 As shown, the discharge tube unit that generates ozone consists of a high voltage pole (1), a ground pole (2), a tubular dielectric body (3), an insulating material gasket (4), a left insulating end cap (5), and a right insulating end cap (10), non-metal insulating pipe (13) constitutes. The high-voltage pole (1) is coated with two sets of conductive films that are symmetrical to each other and separated in the middle on the non-metallic insulating material tube (13). The conductive film is used as the high-voltage pole (1) and the ground pole (2). The body (3), the insulating material ring gasket (4) and the positioning card (12) play a fixed role, so that the discharge gap between the high voltage pole (1), the tubular dielectric body (3) and the grounding pole (2) (6) Equal, when the discharge tube is working, the medium oil with good insulation is passed into the non-metallic insulating material tube (13) to cool the two high...

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Abstract

The invention relates to a producer device for preparing ozone, which comprises of high voltage electrode, tubular dielectric body, earth electrode, left and right insulation end cap, and middle insulation loop; inside or outside the two tubular dielectric bodies being separately equipped with the coaxial high voltage electrode and earth electrode, the two high voltage electrodes connecting separately to the two high voltage carry-in terminal of the electrical source, the two high voltage electrode and the two tubular dielectric bodies being separated by insulation loop made up of insulation material, and the insulation loop being equipped with locator cards, for fixing tubular dielectric body and discharging gap exhaust passage; the earth electrode being outside of the tubular dielectric body while the high voltage electrode is inside of the tubular dielectric body, vice versa; the discharging gap being controlled between 0.2-5.0mm by locator card slot in insulation loop, and being uniform. The invention is characterized in that it decreases the device manufacture difficulty and production cost, the electrode is easy to cool down, and the device is compact.

Description

technical field [0001] The present invention relates to a generator device for preparing ozone, in particular to a discharge tube element for generating ozone by corona discharge. Background technique [0002] In the prior art, the generator equipment used to prepare ozone is mainly composed of a power supply and a discharge tube element for generating ozone. Most of the known ozone equipments that have been industrially used are produced by using corona discharge of discharge tube elements to produce ozone. Such elements are mainly multi-tube or multi-plate combination structures. The whole machine of ozone generator is generally composed of power supply, discharge tube components, component water cooling and wind cooling system, and its supporting electrical control system and oxygen or air supply filter system. [0003] In the above equipment, the discharge tube element is the key equipment for generating ozone, and the discharge tube element unit is generally provided w...

Claims

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Application Information

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IPC IPC(8): C01B13/11
Inventor 马永昆孟宪昴
Owner JIANGSU UNIV
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