CN106861912B - A kind of enhancing plasma density improves the device and method of efficiency of dust collection - Google Patents
A kind of enhancing plasma density improves the device and method of efficiency of dust collection Download PDFInfo
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- CN106861912B CN106861912B CN201710172551.XA CN201710172551A CN106861912B CN 106861912 B CN106861912 B CN 106861912B CN 201710172551 A CN201710172551 A CN 201710172551A CN 106861912 B CN106861912 B CN 106861912B
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- electric precipitation
- precipitation pole
- pole plate
- dust collection
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
- B03C3/383—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames using radiation
Abstract
The present invention provides a kind of device and method of enhancing plasma density raising efficiency of dust collection, including square casing, it is successively set on the YAG pulse lasers and plus lens of direction hull outside, the lower face of square casing is provided with air inlet, upper surface is provided with air outlet, one side is provided with through-hole, the first electric precipitation pole plate and the second electric precipitation pole plate are provided in the shell of direction, two pieces of electric precipitation pole plates, which are located between the both sides and two pieces of electric precipitation pole plates of air inlet, is provided with connection copper post, the nichrome wire and nichrome wire of three vertical directions are additionally provided between two electric precipitation plates, it is connected by nylon column between nichrome wire and electric precipitation pole plate, it is provided with aperture on the first electric precipitation pole plate adjacent with through-hole.The plasma concentration of dust-extraction unit can be greatly enhanced in the present invention, improve the parameters for influencing efficiency of dust collection, improve efficiency of dust collection, be mainly used in industrial waste gas dedusting.
Description
Technical field
The present invention relates to a kind of device and methods improving efficiency of dust collection more particularly to a kind of enhancing plasma density to carry
The device and method of high efficiency of dust collection.
Background technology
With the fast development of science and technology, society starts to stride forward towards industrialized process, and the mankind are faced with more and more
Environmental problem, especially in recent years, Air haze and the serious health that threaten the mankind of dust pollution, therefore, in order to
Harm of the air pollution to the mankind is reduced, enhances the plasma concentration in deduster, improving the efficiency of dust collection of clarifier has seemed
It is particularly necessary.
Existing high-pressure dust-cleaning device produces although the high voltage pulse ionization air between positive/negative plate enough generates plasma
Raw plasma concentration is limited, and the electrification adsorption capacity of dust is weaker, the coefficient of concentration between powder dust particle is smaller, the effect of dedusting
Rate is not high.
Invention content
The purpose of the invention is to provide a kind of device and method of enhancing plasma density raising efficiency of dust collection,
Outside original high-pressure dust-cleaning device, increases YAG pulse lasers and plus lens, pulse laser focus on aluminium by plus lens
Plate, by thermionic emission, multiphoton ionization, sensu lato photoelectric effect excite plasma, with high-pressure installation inside generate etc.
The secondary superposition of ion increases plasma concentration.The carried charge of charged particle, the diameter of powder dust particle, coalescence can be improved simultaneously
Coefficient, thus the efficiency of dust collection of dust-extraction unit can be improved.
The object of the present invention is achieved like this：A kind of enhancing plasma density improves the device of efficiency of dust collection, including
Square casing, the YAG pulse lasers and plus lens for being successively set on direction hull outside, set in the lower face of square casing
Be equipped with air inlet, upper surface is provided with air outlet, one side is provided with through-hole, the first electric precipitation pole is provided in the shell of direction
Plate and the second electric precipitation pole plate, two pieces of electric precipitation pole plates are located at the company of being provided between the both sides and two pieces of electric precipitation pole plates of air inlet
Copper post is connect, the nichrome wire and nichrome wire of three vertical directions, nichrome are additionally provided between two electric precipitation plates
It is connected by nylon column between silk and electric precipitation pole plate, aperture is provided on the first electric precipitation pole plate adjacent with through-hole, it is described
Aperture, through-hole, YAG pulse lasers and plus lens setting in the same horizontal line, are additionally provided with high-tension pulse in square casing
Power supply and power cord are rushed, high-voltage pulse power source is connect with electric precipitation pole plate.
The invention also includes some such structure features：
1. there are four the connection copper posts, and is symmetricly set between two pieces of electric precipitation pole plates, and two pieces of electric precipitation pole plates
It is the aluminium sheet as cathode, the nichrome wire is anode.
2. plus lens is 12cm away from the distance with foraminate pole plate, the focal length of plus lens is 10cm.
3. a kind of method that enhancing plasma density improves efficiency of dust collection, including a kind of enhancing described in claim 3
Plasma density improves the device of efficiency of dust collection, it is characterised in that：Include the following steps：
Step 1：After powering on line, powder dust particle is entered to by air inlet in square casing, pulse switch power supply production
The high pressure of raw 30kV acts on nichrome wire and electric precipitation pole plate, the electric precipitation pole plate shape of positive nickel-cadmium silk and cathode
At High Pressure Difference, ionized air generates plasma；
Step 2：Unbalanced pulse laser, the laser that pulse laser generates pass through plus lens, pass through through-hole, aperture
Focal point is contacted in the second electric precipitation pole plate, laser with the second electric precipitation pole plate, and the second electric precipitation pole plate absorbs laser immediately
Luminous energy after luminous energy is converted into thermal energy, with the further raising of the second electric precipitation pole plate temperature, reaches the second electric precipitation pole plate
Fusing point, the second electric precipitation pole plate gradually starts to melt, gasification, and ionizes under the effect of the laser, generation ion, molecule,
Plasma including atom；
Step 3：The ion and electronics that laser ionization generates accelerate under the action of high voltage electric field to two pieces of electric precipitation pole plates
Movement generates collision with other particles in air, knocks out the neutral particles such as new ion, electronics, electron avalanche occurs；
Step 4：The plasma that both front and back ionization mode generates, by field charging and diffusion lotus in dust-extraction unit
Electricity makes dust ion live-wire, and the particle after electrification moves under the action of electric field force to two pieces of electric precipitation pole plates, completes dust grain
The collection of son.
Compared with prior art, the beneficial effects of the invention are as follows：After power cord of the present invention is connected, production in high-pressure dust-cleaning device
Raw plasma, the continuous impulse laser that pulse laser is sent out focus on aluminium sheet, the area that aluminium sheet is radiated after plus lens
Domain can be vaporized and evaporate within the time of 1ns, and the steam ejected can be absorbed a large amount of sharp by photo-ionisation and bremstrahlen
Light energy generates a large amount of atom, ion, electronics, and highdensity ion and electronics regions, ion and electricity are formed in aluminium sheet cathode
Son accelerates to move to pole plate under the action of high voltage electric field, and collision is generated with other particle in air, new ion at shock,
Snowslide occurs for the neutral particles such as electronics.In being the increase in ion concentration original inside high-pressure dust-cleaning device, while can carry
The carried charge of dusty particle, ionic diameter, coagulation coefficient, and then improve efficiency of dust collection.
The plasma concentration of dust-extraction unit can be greatly enhanced in the method for the present invention, improve each ginseng for influencing efficiency of dust collection
Number improves efficiency of dust collection, is mainly used in industrial waste gas dedusting.
Description of the drawings
Fig. 1 is the structural schematic diagram of the device of the invention；
Fig. 2 is the dedusting flow chart of the present invention.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, a kind of enhancing plasma density of the invention improves the device of efficiency of dust collection, including shell 6, shell
Nickel-cadmium silk 4, connection copper post 5, high-voltage pulse power source 7, power cord 8, the YAG arteries and veins of internal electric precipitation pole plate 9, enclosure interior
Rush laser 1, plus lens 2, through-hole 3, nylon column 10, air inlet 12, air outlet 11.
The air inlet is located at the downside of high-pressure dust-cleaning device, and the air outlet is located at the upside of high-pressure dust-cleaning device, institute
Stating air inlet both sides has electric precipitation pole plate, is connected by 4 copper posts between the electric precipitation pole plate, is had between the copper post and copper post
3 nichrome wires, are connected between the nichrome wire and electric precipitation pole plate by nylon column, the left side of the nickel-cadmium silk
There is through-hole, be electrical dust collector device shell on the left of the through-hole, has plus lens, a left side for the plus lens on the left of the shell
There are YAG pulse lasers in side.
The outside of high-pressure dust-cleaning device has the YAG pulse lasers, the wavelength that YAG pulse lasers send out laser to be
1064nm, laser pulse width 20ns, pulse power density are 2 × 108W/cm2。
There is plus lens among YAG pulse lasers and high-pressure dust-cleaning device, plus lens is away from the pole plate inside through-hole
Distance is 12cm, and the focal length of plus lens is 10cm.
The electric precipitation pole plate of the present invention is the aluminium sheet being spliced by aluminum strip, and (the first electricity removes the left side aluminium sheet of dust-extraction unit
Dirt pole plate) on there are one aperture, the aperture diameter of through-hole is 1cm.
The present invention is by the core of the pulse power and positive/negative plate as entire dust-extraction unit in high-pressure dust-cleaning device, switch
After unlatching, the pulse power generates the high pressure of 30kV, is loaded on the positive/negative plate of dust-extraction unit, forms high pressure between positive/negative plate
Difference, moment puncture air, generate the plasma including packet expansion ion, electronics, molecule, make charge dust particles.The ash of electrification
Dirt particle is adsorbed to positive/negative plate by the effect of Coulomb force in the electric field, realizes the purification of air.
In conjunction with Fig. 2, the method that a kind of enhancing plasma density of the invention improves efficiency of dust collection includes the following steps：
Step 1：After power cord is connected, powder dust particle passes through the air inlet of high-pressure dust-cleaning device, enters dust-extraction unit
Inside, the high pressure that pulse switch power supply generates 30kV act on positive/negative plate, the aluminium sheet shape of positive nickel-cadmium silk and cathode
At High Pressure Difference, ionized air generates plasma.
Step 2：Unbalanced pulse laser, generated laser passes through plus lens, by through-hole focal point in dedusting
The cathode of device, laser are contacted with electric precipitation pole plate (hereinafter referred to as aluminium sheet), and aluminium sheet absorbs laser light energy immediately, and luminous energy is converted into
After thermal energy, with the further raising of aluminium sheet temperature, reach the fusing point of aluminium sheet, aluminium sheet starts to melt, gasify, and aluminium sheet is further inhaled
Energy is received, is ionized under the effect of the laser, piece produces ion, the plasma including molecular atoms.
Step 3：The ion and electronics that laser ionization generates accelerate to move to pole plate under the action of high voltage electric field, with sky
Other particles generate collision in gas, knock out the neutral particles such as new ion, electronics, and electron avalanche occurs.
Step 4：The plasma that both front and back ionization mode generates, by field charging and diffusion lotus in dust-extraction unit
Electricity makes dust ion live-wire, and the particle after electrification moves under the action of electric field force to electric precipitation pole plate, then completes dust
The collection of particle.
Claims (4)
1. a kind of enhancing plasma density improves the device of efficiency of dust collection, it is characterised in that：Including square casing, set gradually
YAG pulse lasers outside square casing and plus lens are provided with air inlet, upper surface in the lower face of square casing
Be provided with air outlet, one side is provided with through-hole, the first electric precipitation pole plate and the second electric precipitation pole are provided in square casing
Plate, two pieces of electric precipitation pole plates, which are located between the both sides and two pieces of electric precipitation pole plates of air inlet, is provided with connection copper post, and two electricity remove
It is additionally provided with the nichrome wire of three vertical directions between dirt plate, passes through nylon column between nichrome wire and electric precipitation pole plate
It connects, aperture, the aperture, through-hole, YAG pulse lasers and convergence is provided on the first electric precipitation pole plate adjacent with through-hole
Lens are arranged in the same horizontal line, are additionally provided with high-voltage pulse power source and power cord in square casing, high-voltage pulse power source with
Electric precipitation pole plate connects.
2. a kind of enhancing plasma density according to claim 1 improves the device of efficiency of dust collection, it is characterised in that：Institute
It states there are four connection copper posts, and is symmetricly set between two pieces of electric precipitation pole plates, and two pieces of electric precipitation pole plates are as cathode
Aluminium sheet, the nichrome wire be anode.
3. a kind of enhancing plasma density according to claim 1 or 2 improves the device of efficiency of dust collection, feature exists
In：Plus lens is 12cm away from the distance with foraminate pole plate, and the focal length of plus lens is 10cm.
4. a kind of method, including a kind of enhancing described in claim 3 that enhancing plasma density improves efficiency of dust collection etc. from
Daughter concentration improves the device of efficiency of dust collection, it is characterised in that：Include the following steps：
Step 1：After powering on line, powder dust particle is entered to by air inlet in square casing, and high-voltage pulse power source generates
The high pressure of 30kV acts on nichrome wire and electric precipitation pole plate, and the electric precipitation pole plate of positive nickel-cadmium silk and cathode is formed
High Pressure Difference, ionized air generate plasma；
Step 2：Unbalanced pulse laser, the laser that pulse laser generates pass through plus lens, pass through through-hole, aperture focus
The second electric precipitation pole plate is focused on, laser is contacted with the second electric precipitation pole plate, and the second electric precipitation pole plate absorbs laser light energy immediately,
After luminous energy is converted into thermal energy, with the further raising of the second electric precipitation pole plate temperature, reach the fusing point of the second electric precipitation pole plate,
Second electric precipitation pole plate gradually starts to melt, gasify, and ionizes under the effect of the laser, generates ion, molecule, atom and exists
Interior plasma；
Step 3：The ion and electronics that laser ionization generates accelerate to transport to two pieces of electric precipitation pole plates under the action of high voltage electric field
It is dynamic, collision is generated with other particles in air, new ion, electronics is knocked out, electron avalanche occurs；
Step 4：The plasma that both front and back ionization mode generates, is made in dust-extraction unit by field charging and diffusional charging
Dust ion live-wire, the particle after electrification move under the action of electric field force to two pieces of electric precipitation pole plates, complete powder dust particle
It collects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172551.XA CN106861912B (en) | 2017-03-21 | 2017-03-21 | A kind of enhancing plasma density improves the device and method of efficiency of dust collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710172551.XA CN106861912B (en) | 2017-03-21 | 2017-03-21 | A kind of enhancing plasma density improves the device and method of efficiency of dust collection |
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| CN106861912A CN106861912A (en) | 2017-06-20 |
| CN106861912B true CN106861912B (en) | 2018-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109261355A (en) * | 2018-09-25 | 2019-01-25 | 华北电力大学（保定） | Based on photoelectric air purifier and method |
| IL275804B2 (en) * | 2020-07-01 | 2024-04-01 | Lushkevich Leonid | Device for treating waste fluids and method of implementing the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4543484A (en) * | 1980-11-19 | 1985-09-24 | United Technologies Corporation | Laser particle removal |
| CN1653205A (en) * | 2002-05-08 | 2005-08-10 | 达纳公司 | Plasma-assisted reinforced coating |
| CN101745301A (en) * | 2009-12-25 | 2010-06-23 | 赵岳虎 | Plasma generating device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH054055A (en) * | 1991-06-28 | 1993-01-14 | Nec Corp | Dust collector |
| JPH08222353A (en) * | 1995-02-13 | 1996-08-30 | Toshiba Corp | Discharge device |
| US6721345B2 (en) * | 2000-07-14 | 2004-04-13 | Lambda Physik Ag | Electrostatic precipitator corona discharge ignition voltage probe for gas status detection and control system for gas discharge lasers |
-
2017
- 2017-03-21 CN CN201710172551.XA patent/CN106861912B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4543484A (en) * | 1980-11-19 | 1985-09-24 | United Technologies Corporation | Laser particle removal |
| CN1653205A (en) * | 2002-05-08 | 2005-08-10 | 达纳公司 | Plasma-assisted reinforced coating |
| CN101745301A (en) * | 2009-12-25 | 2010-06-23 | 赵岳虎 | Plasma generating device |
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