CN208912049U - A kind of electrode insulation structure of gas discharge reactor - Google Patents
A kind of electrode insulation structure of gas discharge reactor Download PDFInfo
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- CN208912049U CN208912049U CN201820188778.3U CN201820188778U CN208912049U CN 208912049 U CN208912049 U CN 208912049U CN 201820188778 U CN201820188778 U CN 201820188778U CN 208912049 U CN208912049 U CN 208912049U
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- Prior art keywords
- electrode
- reactor
- insulation structure
- casing
- electrode insulation
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- 238000003915 air pollution Methods 0.000 abstract description 2
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Abstract
A kind of electrode insulation structure of gas discharge reactor; belong to Air Pollution Control and environmental protection technical field; it is characterized in that the electrode insulation structure is made of casing, airflow inlet, fixed disk, guard tube and waterproof cover; dry gas stream is also passed through between described sleeve pipe and electrode bar; make effectively to be insulated between electrode bar and reactor shell; to prevent the influence of steam and drop to electrode insulation in gas discharge reactor, the electric insulation effect between electrode bar and reactor shell is reached.
Description
Technical field
The utility model relates to a kind of electrode insulation structures of gas discharge reactor, in particular to gas discharge reactor
Electrode and reactor shell insulation, belong to Air Pollution Control and environmental protection technical field.
Background technique
Gas discharge is a new waste gas improvement and gas molecular recombination techniques, the basic principle is that utilizing gas discharge
Generate a large amount of high energy electrons, atom and free radical.Object gas point in these high energy electrons, atom and free radical and gas
Son reacts and it is made to aoxidize or convert.Need to apply positive (or negative) electrode of high voltage to realizing gas discharge.This is practical new
Correlation technique and device (publication number CN107398144A and CN107417493A) also has been disclosed in type applicant.Actually answering
In, due to usually containing moisture and higher humidity in air-flow, the insulation between discharge electrode and reactor shell is to electric discharge
The normal work of reactor is particularly important, and the method for generalling use insulator dielectric is not appropriate for.The purpose of this utility model is
A kind of electrode insulation structure of gas discharge reactor is designed and provided, to adapt to the electrode under high humidity and aqueous conditions and anti-
Answer the insulation of device shell.
Summary of the invention
The technical solution adopted in the utility model are as follows: a kind of electrode insulation structure of gas discharge reactor, feature exist
It is made of in the electrode insulation structure electrode bar, casing, airflow inlet, fixed disk, guard tube and waterproof cover, the set
Pipe is across reactor shell, and wherein one end is external in reactor enclosure, and for the other end in reactor, the electrode bar passes through set
Pipe is connect with the discharge electrode in reactor, and the other end is connect with high voltage power supply, and is sealed, the external set of the reactor enclosure
Pipe is additionally provided with airflow inlet to import dry gas stream, there are gap so that air-flow flows through between the electrode bar and casing, outer end
It seals, casing one end in the reactor enclosure body is connect with fixed disk, is provided with water string and waterproof in the fixed disk
Cover.
A kind of insulating method of the electrode insulation structure of gas discharge reactor described in the utility model, it is characterised in that
The electrode insulation structure setting has water string and waterproof cover to prevent the water droplet in discharge reactor interior air-flow from entering set
Pipe, while air-flow is imported by gap of the airflow inlet on the casing into reactor between the electrode bar and casing,
Make between electrode bar and guard tube full of dry gas stream, thus electrical between having reached the electrode bar and reactor shell
The effect of insulation.
Electrode bar described in the utility model, is made of conductive rod and insulating layer, and the conductive rod is generally electric conductivity
Good stainless steel and other metal materials, it is generally circular, it is also possible to the other shapes such as rectangular, effect is suitable, the insulation
The material of the good insulation preformances such as epoxy, silica gel, nylon, tetrafluoroethene and ceramics generally can be used in layer, specific visual pressure-resistant, strong
The concrete conditions such as degree are selected, specifically can be referring to relevant design handbook.The electrode bar and insulation interlayer should generally cooperate closely,
The length of insulating layer should be greater than described sleeve pipe length, and the distance between the insulating layer port of electrode bar and sleeve port are generally answered
Not less than the distance of two adjacent electrodes.
Casing described in the utility model, fixed disk, guard tube and waterproof cover material need some strength, generally may be used
For ceramics, PVC etc. be non-ignitable or fire proofing, the good insulation preformances such as epoxy resin, silica gel, nylon and tetrafluoroethene can also be used
Metal material can also be used in material.Clearance distance between described sleeve pipe and electrode bar can be set as needed, logical with sharp air-flow
It crosses, the clearance distance is big, and the dry gas stream needed is with regard to big, preferably 2-10mm.Fixed disk is generally fixed on casing, whole with benefit
Body installation, can also be fixed on reactor shell or tower body, for installing guard tube and waterproof cover, waterproof cover can be semicircle
The structures such as type, half elliptic, with above benefit water droplet or water flow can smoothly flow down, guard tube is generally cylinder type, is also possible to
The other shapes such as rectangular, effect is suitable, and the length and width of the waterproof cover should be greater than the length and width of guard tube, excellent
2 times or more is selected, certain distance should be kept between the two, can specifically be determined according to the size of the waterproof cover and guard tube, no spy
It is different to require, preferably 30-100mm.The distance between the waterproof inside pipe wall and electrode bar generally should be not less than two adjacent electrodes
The half of distance, preferably 1.1-2 times, such as using metal material as guard tube when, between waterproof inside pipe wall and electrode bar away from
From should suitably increase.The waterproof inside pipe wall also has certain relationship with the voltage for applying electrode at a distance from electrode bar, applies
Making alive is higher, and guard tube and electrode bar spacing are bigger.General voltage increase about 5kV, the waterproof inside pipe wall and electrode bar
Distance should generally increase 10mm or more.
In order to prevent in reactor electric current by being likely to accumulate in the water flow or water droplet and reactor enclosure of waterproof tube outer surface
Body conducting when using insulating materials as discharge tube, can be arranged multilayer insulation cage ring in guard tube appearance and form similar heat dissipation
The shape of piece pipe or bellows, the circle that is dielectrically separated from are generally ring or disc shaped, and material is insulating materials, including ceramics,
Epoxy resin, silica gel, nylon, glass and tetrafluoroethene etc..Described two adjacent are dielectrically separated between circle should have a certain distance,
But without particular/special requirement, generally 5mm or more, specifically there is certain relationship with the voltage for applying electrode, application voltage is higher, insulation
Cage ring spacing is just big, preferably 15-30mm.Equally, it may also set up on the casing outside the reactor mutually isostructural exhausted
Edge cage ring, to improve insulation performance.
Air-flow described in the utility model can be air, be also possible to nitrogen, oxygen, carbon dioxide and flue gas or phase
Mixed gas etc. is closed, effect is about the same, and air-flow can be by being dried, and preferably the relative humidity in air-flow is less than 50%, such as
Fruit airflow humidity is big, and distance of the waterproof inside pipe wall apart from electrode bar need to suitably increase.The flow of the air-flow depends on the needs,
Make between electrode bar and guard tube full of the air-flow, flow velocity a little louder preferably, can blow away may float into water droplet, preferably
2-4m/s, gas flow temperature are generally room temperature, can also use the thermal current of certain temperature, prevent steam in reactor to reach
Interior electrode bar and condensation and moisture condensation on waterproof tube wall, the temperature visual response device shell and insulating materials heatproof of the air-flow
And heating energy consumption determines, no particular/special requirement such as can be higher using flue-gas temperature, and hot air temperature lower (can often select 40-
60℃)。
If steam and air-flow entrained drip amount are smaller in reactor, waterproof cover described in the utility model can not also make
With only also can reach same insulation purpose with discharge tube.If the casing is using High-Voltage Insulation good material, electricity
Pole stick can also not have to insulating layer, and other structures are identical, and effect is suitable.If the electrode bar insulating layer is exhausted using high voltage
When the good material of edge, metal material is can also be used in casing, guard tube and waterproof cover etc., and other structures are identical, and effect is suitable.
When electrode insulation structure described in the utility model uses direct current or pulsed discharge to gas discharge reactor, it can use
In high-voltage end electrode insulation, when discharging for high-voltage alternating, positive and negative electrode is equally applicable to other high-voltage electricity to can be used
The insulation process of electrode and shell.
The utility model has the advantages that: one kind is by casing, airflow inlet, fixed disk, guard tube and waterproof cover (optional) group
At insulation system, be also passed through dry gas stream between the casing and electrode bar, make between electrode bar and reactor shell
To effective insulation, the guard tube appearance is also provided with multilayer insulation cage ring, to prevent in gas discharge reactor
The influence to electrode insulation of steam and drop, achieved the effect that electric insulation.
Detailed description of the invention
Fig. 1 is a kind of electrode insulation structural schematic diagram of gas discharge reactor described in the utility model.Fig. 2 is Fig. 1
Right view.
In figure: 1 conductive rod；2 high voltage power supply binding posts；3 insulating layers；4 sealing rings；5 casings；6 airflow inlets；7 reactors
Shell；8 fixed disks；9 waterproof covers；10 guard tubes；11 discharge end binding posts；12 are dielectrically separated from circle.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment 1: a kind of electrode insulation structural representation map device of gas discharge reactor described in the utility model is such as
(guard tube appearance naked cage ring) shown in Fig. 1.Reactor wall thickness (7) about 100 (unit millimeter, similarly hereinafter), casing (5) are
Φ 32 (outer diameter, similarly hereinafter) × 3 (wall thickness, similarly hereinafter), length 320, fixed disk (8) diameter of phi 250, thickness 10, waterproof cover (9)
For semi cylindrical type, size Φ 250 × 4, length 200, guard tube (10) size is about Φ 80 × 2, length 50, components above
Material is pvc pipe, and one end of waterproof cover and guard tube is each attached on disk.Electrode bar is by stainless steel collector (1) and ring
Oxygen insulating layer (3) composition, wherein epoxy insulation layer is Φ 22 × 6, and length 410, outer end is than set pipe range 50, and inner end is than set pipe range
40, conductive rod is the 316L stainless steel bar of Φ 8, and outer end is longer than epoxy insulation layer by 50, and there is high-voltage electricity at the conductive rod both ends respectively
Source binding post (2) and discharge end binding post (11) are connect with high voltage power supply and discharge of electricity pole respectively, and described sleeve pipe is apart from external port
There is airflow inlet (6) to connect dry gas stream at about 100, external port has sealing ring (4) sealing.Two adjacent electrode spacing in reactor
About 30.
Experiment condition are as follows: dry gas stream is room air, and about 20 DEG C of temperature, humidity respectively may be about 50%, 35% and 20%,
Air mass flow is about 1m3/ h, about 60 DEG C of gas temperature in reactor, humidity is about 90%, and reactor shell inner wall is wet, on
Square air-flow has under Interstitial Water drippage, and water droplet average grain diameter is about 3mm, and spray averag density is about 200/(m2·s).High pressure
Power supply direct current or pulse power supply respectively may be about 15,18 and 22kV, electrode bar and reactor shell insulation performance when applying voltage
Well, no conductive punch-through occurs.
Embodiment 2: on the basis of embodiment 1, waterproof pipe size is changed to about Φ 40 × 2, inner wall and electrode bar appearance
Distance when being about half, other are the same as embodiment 1.Electrode bar and reactor shell insulation performance are also about the same, and no conduction is hit
Wear phenomenon.In the presence of table has water droplet in discharge tube appearance and fixed disk, insulation performance is compared with embodiment 1
Reduce about 20%.
Embodiment 3: on the basis of embodiment 1, removing waterproof cover, and increasing guard tube (10) is Φ 100 × 3, and length is
60, casing, fixed disk and the equal stainless steel of waterproof cover material, other are the same as embodiment 1.
Experiment condition are as follows: dry air flow is about 3m3/ h, relative humidity are about 30%, and about 20 DEG C of temperature, in reactor
Two electrode spacings are about 50, and other conditions are the same as embodiment 1.High voltage power supply direct current or pulse power supply are about when applying voltage
20kV, electrode and reactor shell insulation performance are good, and no conductive punch-through occurs.
Embodiment 4: the electrode insulation structure of gas discharge reactor is the same as embodiment 1.
Experiment condition are as follows: air-flow is boiler smoke, and temperature is about 60 DEG C, wherein oxygen about 10%, carbon dioxide about 12%,
Flue gas relative humidity after drying is about 45%, and other conditions are the same as embodiment 1.High-voltage alternating power supply, positive and negative electrode are all made of
Same dielectric device, other conditions are the same as embodiment 1.It is about 20kV, frequency 50Hz, electrode and reactor shell when applying voltage
Insulation performance is good, and no conductive punch-through occurs.
Embodiment 5: a kind of electrode insulation structural representation map device of gas discharge reactor described in the utility model is such as
Shown in Fig. 1.Its middle sleeve (5) uses nylon insulating materials, having a size of Φ 32 × 10, length 320, no epoxy insulating layer
(3), other structures are the same as embodiment 1.
For experiment condition with embodiment 1, insulation performance and embodiment 1 are about the same.
Embodiment 6: a kind of electrode insulation structural representation map device of gas discharge reactor described in the utility model is such as
Shown in Fig. 1.Wherein guard tube appearance is divided into two layers of rubber-covered cage ring of 25mm, the cage ring overall diameter between being provided with
For 120 mm of Φ, thickness is about 5mm, and other structures are the same as embodiment 1.
Experiment condition is the same as embodiment 1, in the presence of table has water droplet in discharge tube appearance and fixed disk, insulation performance
About 20% is improved compared with embodiment 1.As the distance between two layers of rubber-covered cage ring is reduced to about 5mm, insulating properties
About 5% can be improved compared with embodiment 1.
It should be noted that above embodiments are merely to illustrate the technical solution of the utility model, the guarantor of the utility model
It is without being limited thereto to protect range.For those skilled in the art, within the spirit and principle of the utility model, to each
Technical solution documented by embodiment is modified, or is carried out any equivalent replacement to some technical characteristics therein, repaired
Change, changes and improvements etc., should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of electrode insulation structure of gas discharge reactor, it is characterised in that the electrode insulation structure by electrode bar,
Casing, airflow inlet, fixed disk, guard tube and waterproof cover composition, described sleeve pipe pass through reactor shell, and wherein one end is being reacted
Outside device shell, in reactor enclosure body, the electrode bar is made of the other end conductive rod and insulating layer, passes through casing and reactor
Interior electrode connection, the other end connect with high voltage power supply, seal between port and casing, and the external casing of the reactor enclosure is also set
It is equipped with airflow inlet, the casing one there are gap so that air-flow flows through between the electrode bar and casing, in the reactor enclosure body
End is connect with fixed disk, is provided with water string and waterproof cover in the fixed disk.
2. electrode insulation structure according to claim 1, it is characterised in that the length of the insulating layer is greater than described sleeve pipe
Length.
3. electrode insulation structure according to claim 1, it is characterised in that when the casing uses insulating materials, electrode
Stick can not have to insulating layer.
4. electrode insulation structure according to claim 1, it is characterised in that the length and width of the waterproof cover is all larger than
The length and width of guard tube.
5. electrode insulation structure according to claim 1, it is characterised in that between the waterproof inside pipe wall and electrode bar
Distance be not less than two adjacent electrode distances half.
6. electrode insulation structure according to claim 1, feature is provided with more in the guard tube and casing appearance
Layer is dielectrically separated from circle.
7. electrode insulation structure according to claim 6, feature is ring or disc shaped, institute in the circle that is dielectrically separated from
State two it is adjacent be dielectrically separated from circle between distance be 5mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188778.3U CN208912049U (en) | 2018-01-24 | 2018-01-24 | A kind of electrode insulation structure of gas discharge reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188778.3U CN208912049U (en) | 2018-01-24 | 2018-01-24 | A kind of electrode insulation structure of gas discharge reactor |
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| Publication Number | Publication Date |
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| CN208912049U true CN208912049U (en) | 2019-05-31 |
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| CN201820188778.3U Expired - Fee Related CN208912049U (en) | 2018-01-24 | 2018-01-24 | A kind of electrode insulation structure of gas discharge reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064352A (en) * | 2018-01-24 | 2019-07-30 | 黄华丽 | A kind of the electrode insulation structure and insulating method of gas discharge reactor |
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2018
- 2018-01-24 CN CN201820188778.3U patent/CN208912049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064352A (en) * | 2018-01-24 | 2019-07-30 | 黄华丽 | A kind of the electrode insulation structure and insulating method of gas discharge reactor |
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Granted publication date: 20190531 |