CN218025448U - Multi-air-gap dielectric barrier discharge ozone generation unit and ozone generator - Google Patents
Multi-air-gap dielectric barrier discharge ozone generation unit and ozone generator Download PDFInfo
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- CN218025448U CN218025448U CN202222175405.1U CN202222175405U CN218025448U CN 218025448 U CN218025448 U CN 218025448U CN 202222175405 U CN202222175405 U CN 202222175405U CN 218025448 U CN218025448 U CN 218025448U
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Abstract
The utility model discloses a many air gaps dielectric barrier discharge ozone generating unit and ozone generator, wherein ozone generating unit includes: an inner electrode stainless steel tube; the outer electrode stainless steel pipe is sleeved outside the inner electrode stainless steel pipe; at least two discharge air gaps are formed between the inner electrode stainless steel pipe and the outer electrode stainless steel pipe at intervals through at least one medium pipe; at least one group of insulating supporting pads are respectively arranged on the outer wall of each medium pipe and the outer wall of the stainless steel pipe of the inner electrode. The utility model discloses an ozone generating element adopts many discharge air gap structure, and every discharge air gap all blocks through interior medium and discharges, has increased the effective discharge area of discharge unit, makes the discharge unit more compact, high-efficient.
Description
Technical Field
The utility model relates to an ozone generator's technical field, concretely relates to many air gaps dielectric barrier discharge ozone generating unit and ozone generator.
Background
Ozone is generally applied to sterilization and disinfection in the fields of tap water treatment, sewage treatment, chemical oxidation and the like, the ozone demand is increased, and users pay more and more attention to the operating efficiency of the ozone generator, namely the power consumption and the oxygen consumption of each kilogram of ozone.
At present the industryMost of the ozone generators use glass, enamel and ceramic as discharge medium, ozone is generated by a dielectric barrier discharge method with a single discharge air gap, namely, several kilovolts are applied to a high-voltage electrode and a low-voltage electrode, air or oxygen introduced into the discharge air gap is ionized into ozone, the operation efficiency is improved compared with the prior art, but the power consumption of each kilogram of ozone is still 8-9kwh, and the oxygen consumption is 8Nm 3 (ozone concentration 120 g/m) 3 )。
The ozone generator integrates the ozone application market and the operation cost, and the efficient and energy-saving ozone generator is the common pursuit of manufacturers and users. Large ozone generators are composed of a plurality of discharge cells, and the operating efficiency depends greatly on the efficiency of a single discharge cell, i.e. the ozone yield of a single discharge cell. Improving the efficiency of the discharge unit is the most effective way to manufacture a large ozone generator with high efficiency and energy saving.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ozone generating unit and an ozone generator which have high efficiency, compactness and high ozone yield for manufacturing a large ozone generator.
In order to achieve the above object, the utility model provides a following technical scheme:
a multi-air gap dielectric barrier discharge ozone generating unit comprising:
an inner electrode stainless steel tube;
the outer electrode stainless steel pipe is sleeved outside the inner electrode stainless steel pipe;
at least two discharge air gaps are formed between the inner electrode stainless steel pipe and the outer electrode stainless steel pipe at intervals through at least one medium pipe;
when the number of the medium tubes is one, an outer discharge air gap is formed between the medium tubes and the outer electrode stainless steel tube, and an inner discharge air gap is formed between the medium tubes and the inner electrode stainless steel tube;
when the number of the medium tubes is two or more, an outer discharge air gap is formed between the medium tube and the outer electrode stainless steel tube, an inner discharge air gap is formed between the medium tube and the inner electrode stainless steel tube, and an intermediate discharge air gap is formed between two adjacent medium tubes.
Preferably, the medium pipe is made of glass.
Preferably, the air inlet end of the stainless steel pipe of the inner electrode is hermetically provided with an air blocking plug.
Preferably, at least one group of insulating support pads are respectively arranged on the outer wall of each medium pipe and the outer wall of the inner electrode stainless steel pipe;
when the number of the supporting pads is one group, the insulating supporting pads are formed by spirally winding strip-shaped air gap maintaining materials;
when the quantity of supporting pad was two sets of or when two sets of more than, every group supporting pad is equallyd divide and is formed by the winding of the air gap retaining material of bar.
Preferably, the air gap maintaining material is Teflon tape.
As the further application to the ozone generating unit, the utility model also provides an ozone generator, a plurality of air gap dielectric barrier discharge ozone generating units are arranged in the cavity of the ozone generator.
Preferably, at least two supporting flower plates are arranged in a cavity of the ozone generator, and the outer wall of an outer electrode stainless steel tube of the multi-air-gap dielectric barrier discharge ozone generating unit is welded and fixed on each supporting flower plate respectively.
The utility model discloses a theory of operation does:
applying a high voltage of several kilovolts to the high-voltage end inner electrode stainless steel pipe and the grounding end outer electrode stainless steel pipe, and forming a strong electric field in each discharge air gap area; the oxygen-containing gas in each discharge air gap is subjected to dielectric barrier discharge under the action of a strong electric field, and the oxygen in the oxygen-containing gas is ionized into ozone to be output.
The utility model discloses a technological effect and advantage:
1. the ozone generating unit of the utility model adopts a multi-discharge air gap structure, each discharge air gap is discharged by the inner dielectric barrier, the effective discharge area of the discharge unit is increased, and the discharge unit is more compact and efficient;
2. the ozone generating unit of the utility model adopts the glass medium tube with a plurality of discharge air gaps for spacing, and because the inner surface and the outer surface of the glass medium tube are both provided with air flowing, the heat dissipation effect is greatly improved, the decomposition of ozone due to high temperature is further slowed down, and the ozone yield is improved;
3. the supporting pad of the ozone generating unit of the utility model is formed by winding the Teflon adhesive tape, which can form more uniform discharge air gaps along the circumferential direction;
4. the air inlet end of the stainless steel tube of the inner electrode of the ozone generating unit is sealed and provided with the air blocking plug, so that the raw material gas (oxygen or air) can be effectively prevented from directly passing through the stainless steel tube of the inner electrode;
5. the ozone generator of the utility model adopts a multi-air gap dielectric barrier discharge ozone generating unit, thereby greatly reducing the operation cost.
Drawings
FIG. 1 is a schematic structural view of an ozone generating unit according to an embodiment of the present invention;
FIG. 2 is a partially enlarged view of an ozone generating unit according to the first embodiment of the present invention;
FIG. 3 is a partial enlarged view of an ozone generating unit according to the second embodiment of the present invention;
FIG. 4 is a schematic view of the structure of an ozone generating unit according to a third embodiment of the present invention;
fig. 5 is a structural diagram of an ozone generator according to a fourth embodiment of the present invention.
In the figure:
the device comprises an inner electrode stainless steel pipe 1, an outer electrode stainless steel pipe 2, a medium pipe 3, an outer discharge air gap 4, an inner discharge air gap 5, an air blocking plug 6, an insulating support pad 7, an intermediate discharge air gap 8, an ozone generating unit 101 and a support flower plate 102.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Example one
The embodiment provides a multi-air gap dielectric barrier discharge ozone generating unit as shown in fig. 1-2, comprising: an inner electrode stainless steel tube 1; an outer electrode stainless steel tube 2 sleeved outside the inner electrode stainless steel tube; a medium pipe 3 made of glass material is arranged between the inner electrode stainless steel pipe and the outer electrode stainless steel pipe, an outer discharge air gap 4 is formed between the medium pipe and the outer electrode stainless steel pipe, and an inner discharge air gap 5 is formed between the medium pipe and the inner electrode stainless steel pipe;
the air inlet end of the stainless steel tube of the inner electrode is hermetically provided with an air blocking plug 6;
and a plurality of groups of insulating supporting pads 7 formed by spirally winding strip-shaped Teflon adhesive tapes are respectively arranged on the outer wall of the medium pipe and the outer wall of the inner electrode stainless steel pipe.
The ozone generating unit of the embodiment adopts a double-discharge air gap structure, each discharge air gap is subjected to discharge through the internal dielectric barrier, the effective discharge area of the discharge unit is increased, the heat dissipation effect of the discharge unit is improved, and the discharge unit is more compact and efficient.
Example two
The embodiment provides a multi-air gap dielectric barrier discharge ozone generating unit as shown in fig. 3, comprising: an inner electrode stainless steel tube; the outer electrode stainless steel pipe is sleeved outside the inner electrode stainless steel pipe; two medium tubes made of glass materials are arranged between the inner electrode stainless steel tube and the outer electrode stainless steel tube, an outer discharge air gap is formed between the medium tubes and the outer electrode stainless steel tube, an inner discharge air gap is formed between the medium tubes and the inner electrode stainless steel tube, and a middle discharge air gap 8 is formed between every two adjacent medium tubes.
The air inlet end of the stainless steel tube of the inner electrode is hermetically provided with an air blocking plug;
and a plurality of groups of insulating supporting pads formed by spirally winding strip-shaped Teflon adhesive tapes are respectively arranged on the outer wall of the medium pipe and the outer wall of the inner electrode stainless steel pipe.
The multi-discharge air gap structure of the embodiment can further increase the effective discharge area of the discharge unit, improve the heat dissipation effect of the discharge unit and enable the discharge unit to be more compact and efficient.
EXAMPLE III
The embodiment provides a multi-air gap dielectric barrier discharge ozone generating unit as shown in fig. 4, which comprises: an inner electrode stainless steel tube; the outer electrode stainless steel pipe is sleeved outside the inner electrode stainless steel pipe; a medium pipe made of glass is arranged between the inner electrode stainless steel pipe and the outer electrode stainless steel pipe, an outer discharge air gap is formed between the medium pipe and the outer electrode stainless steel pipe, and an inner discharge air gap is formed between the medium pipe and the inner electrode stainless steel pipe;
and a group of insulating supporting pads formed by spirally winding strip-shaped Teflon adhesive tapes are respectively arranged on the outer wall of the medium pipe and the outer wall of the inner electrode stainless steel pipe.
Example four
The present embodiment provides an ozone generator as shown in fig. 5, wherein a plurality of ozone generating units 101 described in the first embodiment or the third embodiment are disposed in a cavity of the ozone generator; at least two supporting flower plates 102 are arranged in a cavity of the ozone generator, and the outer wall of an outer electrode stainless steel tube of the multi-air-gap dielectric barrier discharge ozone generating unit is welded and fixed on each supporting flower plate respectively.
When the device is used, high voltage of several kilovolts is applied to the inner electrode stainless steel pipe at the high-voltage end and the outer electrode stainless steel pipe at the grounding end, and strong electric fields are formed in the areas of the inner discharge air gap and the outer discharge air gap; on one hand, the oxygen-containing gas passes through the internal discharge air gap from the left inlet of the ozone generation unit and performs dielectric barrier discharge under the action of a strong electric field, and the oxygen in the oxygen-containing gas is ionized into ozone and is output from the right outlet of the ozone generation unit; on the other hand, the oxygen-containing gas passes through the outer discharge air gap from the left inlet of the ozone generating unit, and dielectric barrier discharge is carried out under the action of a strong electric field, and the oxygen in the oxygen-containing gas is ionized into ozone and is output from the right outlet of the unit.
The ozone generator of the embodiment adopts a multi-air-gap dielectric barrier discharge ozone generating unit, the electricity consumption of each kilogram of ozone is actually measured to be less than or equal to 6.5kwh on site under standard conditions, and the oxygen consumption is only 6Nm 3 And the operation cost is greatly reduced.
EXAMPLE five
The embodiment provides an ozone generator, wherein a plurality of ozone generating units described in the second embodiment are arranged in a cavity of the ozone generator; at least two supporting flower plates are arranged in a cavity of the ozone generator, and the outer wall of an outer electrode stainless steel tube of the multi-air-gap dielectric barrier discharge ozone generating unit is welded and fixed on each supporting flower plate respectively.
Claims (8)
1. A multi-air gap dielectric barrier discharge ozone generating unit comprising:
an inner electrode stainless steel tube (1);
the outer electrode stainless steel tube (2) is sleeved outside the inner electrode stainless steel tube (1);
the method is characterized in that:
at least two discharge air gaps are formed between the inner electrode stainless steel tube (1) and the outer electrode stainless steel tube (2) at intervals through at least one medium tube (3).
2. The multi-air gap dielectric barrier discharge ozone generating unit as claimed in claim 1, wherein: the outer wall of each medium pipe (3) and the outer wall of the inner electrode stainless steel pipe (1) are respectively provided with at least one group of insulating supporting pads (7).
3. The multi-air gap dielectric barrier discharge ozone generating unit as recited in claim 2, wherein: each group of insulating supporting pads (7) is formed by spirally winding strip-shaped air gap maintaining materials.
4. The multi-air-gap dielectric barrier discharge ozone generating unit as claimed in claim 3, wherein: the air gap maintaining material adopts Teflon adhesive tape.
5. The multi-air gap dielectric barrier discharge ozone generating unit as recited in claim 2, wherein: the air inlet end of the inner electrode stainless steel pipe (1) is hermetically provided with an air blocking plug (6).
6. The multi-air gap dielectric barrier discharge ozone generating unit as recited in claim 4, wherein: the medium pipe (3) is made of glass.
7. An ozone generator, characterized by: a plurality of multi-air gap dielectric barrier discharge ozone generating units (101) as claimed in any one of claims 1 to 6 are arranged in the cavity of the ozone generator.
8. The ozone generator of claim 7, wherein: at least two supporting flower plates (102) are arranged in a cavity of the ozone generator, and the outer wall of an outer electrode stainless steel tube (2) of the multi-air-gap dielectric barrier discharge ozone generating unit (101) is welded and fixed on each supporting flower plate (102) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222175405.1U CN218025448U (en) | 2022-08-18 | 2022-08-18 | Multi-air-gap dielectric barrier discharge ozone generation unit and ozone generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222175405.1U CN218025448U (en) | 2022-08-18 | 2022-08-18 | Multi-air-gap dielectric barrier discharge ozone generation unit and ozone generator |
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| Publication Number | Publication Date |
|---|---|
| CN218025448U true CN218025448U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222175405.1U Active CN218025448U (en) | 2022-08-18 | 2022-08-18 | Multi-air-gap dielectric barrier discharge ozone generation unit and ozone generator |
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| Country | Link |
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| CN (1) | CN218025448U (en) |
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2022
- 2022-08-18 CN CN202222175405.1U patent/CN218025448U/en active Active
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