CN102755819A - Low-temperature plasma oxidizer and low-temperature plasma deodorization system - Google Patents
Low-temperature plasma oxidizer and low-temperature plasma deodorization system Download PDFInfo
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- CN102755819A CN102755819A CN2012102728480A CN201210272848A CN102755819A CN 102755819 A CN102755819 A CN 102755819A CN 2012102728480 A CN2012102728480 A CN 2012102728480A CN 201210272848 A CN201210272848 A CN 201210272848A CN 102755819 A CN102755819 A CN 102755819A
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- 239000007800 oxidant agent Substances 0.000 title abstract 6
- 238000004332 deodorization Methods 0.000 title abstract 3
- 239000010453 quartz Substances 0.000 claims abstract description 73
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000003708 ampul Substances 0.000 claims description 66
- 239000011148 porous material Substances 0.000 claims description 30
- 239000000779 smoke Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 239000012212 insulator Substances 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003574 free electron Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 239000003054 catalyst Substances 0.000 abstract description 3
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- 239000007921 spray Substances 0.000 abstract description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 1
- 238000000053 physical method Methods 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 48
- 239000007789 gas Substances 0.000 description 18
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- 231100000315 carcinogenic Toxicity 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
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- 206010070834 Sensitisation Diseases 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
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Abstract
The invention discloses a low-temperature plasma oxidizer and a low-temperature plasma deodorization system. The low-temperature plasma oxidizer consists of an outer shell, an inner shell, a gas inlet pipe, a gas outlet pipe, a quartz pipe, a water inlet pipe, a water outlet pipe, a metal mesh cylinder, a positive electrode and a negative electrode. Entered gas can be ionized and decomposed in the low-temperature plasma oxidizer by the low-temperature plasma oxidizer, so that free electrons are produced; since the free electrons can quickly react with harmful gas, particularly formaldehyde, in air when used as a catalyst, the harmful substance, particularly the formaldehyde, included in the air is filtered off through a physical method; in addition, according to the designed low-temperature plasma deodorization system, the designed low-temperature plasma oxidizer is matched with a cyclone tank, a reaction tank and a spray tank, so that complete treatment can be more effectively performed on the air, the air quality is effectively improved, and the harm caused to the environment and operators by the harmful gas, particularly the formaldehyde, is reduced.
Description
Technical field
The present invention relates to the organic exhaust gas process field, be specifically related to a kind of low-temperature plasma oxidator and low-temperature plasma deodoration system.
Background technology
Along with living standards of the people improve constantly; People are also increasingly high to the environmental requirement of life; But produce and life in also can produce some poisonous and hazardous waste gas, particularly building decoration, home decoration, floor, furniture etc. unavoidably the demand of wood-based plate is grown with each passing day.Owing to many-sided reasons such as prescription and manufacturing conditions, in people's production and life, inevasible meeting contact various poisonous and hazardous gases, particularly formaldehyde.As everyone knows, formaldehyde is a kind of colourless toxic gas, has strong carcinogenic and promotes canceration property.The concentration of formaldehyde harm that is caused that exceeds standard mainly shows: 1, sensitization: skin directly contacts formaldehyde can cause allergic dermatitis, color spot, necrosis, can bring out bronchial astehma when sucking high-concentration formaldehyde; 2, spread effect: the main harm of formaldehyde shows as Mucocutaneous spread effect, and formaldehyde is the protoplasmic poison material, can occur the serious stimulation of respiratory tract and oedema, eye stimulation when sucking, have a headache with protein bound, high concentration; 3, mutagenesis: the formaldehyde of high concentration still is a kind of gene toxin material, can exert an influence to the gene of human body, endanger, and is that it is carcinogenic, impels one of important harm of canceration.Therefore, air is effectively filtered, with formaldehyde free in the filtering air, it is very important for the protection of operative employee's human and environment, just to seem.
Summary of the invention
Technical problem to be solved by this invention provides a kind of low-temperature plasma oxidator and low-temperature plasma deodoration system, and it can reduce particularly formaldehyde of harmful substance contained in the air.
For addressing the above problem, the present invention realizes through following technical scheme:
A kind of low-temperature plasma oxidator of the present invention, mainly by shell body, inner housing, go into tracheae, escape pipe, quartz ampoule, oral siphon, outlet pipe, wire netting tube, positive electrode and negative electrode and form;
Shell body and inner housing are independently hollow cavity; Inner housing is embedded in the inner chamber of shell body, and have certain interval between the madial wall of inner housing lateral wall and shell body, inner housing and shell body phase insulation; 2 lateral sidewalls of inner housing are processed by conductive material, respectively offer a plurality of pores on each lateral sidewalls, and are opened in 2 pore positions on lateral sidewalls correspondence one by one;
A wherein end of going into tracheae and escape pipe is connected on relative 2 longitudinal side walls of inner housing, and communicate with the inner chamber of inner housing simultaneously, and relative 2 longitudinal side walls that the other end of going into tracheae and escape pipe then passes shell body respectively communicate with the external world;
The wire netting tube is a hollow tube-shape, and the pore number of offering on the number of wire netting tube and the inner housing lateral sidewalls is identical; Above-mentioned a plurality of wire netting tube is crossed in the inner chamber of inner housing in parallel to each other, and an end of each wire netting tube links to each other with pore on one of them lateral sidewalls, the other end then with another lateral sidewalls on pore link to each other;
Quartz ampoule is the tubular of hollow, and the number of quartz ampoule is corresponding with the number of wire netting tube; Above-mentioned many quartz ampoules are crossed in the inner chamber of shell body and inner housing in parallel to each other; Wherein an end of every quartz ampoule one of them lateral sidewalls of passing shell body links to each other with oral siphon, and the other end of quartz ampoule then passes the pore on 2 relative lateral sidewalls of inner housing, the inside of wire netting tube and another lateral sidewalls of shell body and links to each other with outlet pipe; Oral siphon and outlet pipe communicate with outer tank; All there is certain interval between the madial wall of the lateral wall of quartz ampoule and wire netting tube and pore;
Positive electrode stretches in the inner chamber of quartz ampoule, and with the quartz ampoule inner chamber in the water conducting of injecting; Negative electrode is connected an inner housing lateral sidewalls or wire netting tube, and is conducted with the wire netting tube.
The axis of every quartz ampoule of above-mentioned low-temperature plasma oxidator all with the axis overlaid of its outside sheathed wire netting tube.
The spacing of the madial wall of the lateral wall of the quartz ampoule of above-mentioned low-temperature plasma oxidator and wire netting tube is between 5mm～8mm.
The two ends of every quartz ampoule of above-mentioned side's low-temperature plasma oxidator are arranged with a sealing ring, and the sealing circle is fixed on the connecting place of quartz ampoule and 2 relative lateral sidewalls of shell body.
The outside of each sealing ring of above-mentioned low-temperature plasma oxidator also is arranged with self-aligning ring.
Gap location between the inner housing lateral wall of above-mentioned low-temperature plasma oxidator and the madial wall of shell body is provided with porcelain insulator.
A kind of low-temperature plasma deodoration system of the present invention mainly is made up of whirlwind jar, retort, sprayed tank and 2 low-temperature plasma oxidators;
The whirlwind jar is the tank body of a hollow; The inner and upper that the top of whirlwind jar is provided with air inlet pipe, this air inlet pipe is provided with the water smoke pipe; Be provided with a vertically extending direct piping in the inner chamber of whirlwind jar; The lower end of direct piping is connected with demist cover with holes, and the upper end of direct piping then extend out to the outside of whirlwind jar from the inside of whirlwind jar and links to each other with the tracheae of going into of the first low-temperature plasma oxidator; The top and the middle part sidewall dish that are in the inner direct piping of whirlwind jar are provided with the spiral drainage plate, and the lower sides of direct piping then is arranged with the air baffle ring of a umbrella annular;
Retort is the tank body of a hollow; The inlet that the retort bottom is offered links to each other with the escape pipe of the first low-temperature plasma oxidator, and the outlet that retort top is offered links to each other with the tracheae of going into of the second low-temperature plasma oxidator;
Sprayed tank is the tank body of a hollow; Be provided with a mozzle in the inner chamber of sprayed tank, an end of this mozzle stretches out from the bottom of sprayed tank and links to each other with the escape pipe of the second low-temperature plasma oxidator, and the opening of the other end of mozzle is provided with and is in the bottom of sprayed tank up; Be connected with the impact-absorbing shell of a umbrella shape directly over the mozzle; Be the shower that the middle and upper part of sprayed tank then is provided with an annular directly over the impact-absorbing shell, the water inlet of this shower joins through the water pipe of water pump and peripheral hardware, and the delivery port of offering on the shower down; The outlet that the sprayed tank top is offered links to each other with outside air via centrifugal high pressure fan;
Above-mentioned 2 low-temperature plasma oxidators are the described low-temperature plasma oxidator of aforementioned arbitrary scheme.
Above-mentioned low-temperature plasma deodoration system also includes a circulating water pipe, and the water intake end of this circulating water pipe links to each other with the bottom of sprayed tank, and the inlet of the water smoke pipe that is provided with in the water side of circulating water pipe and the whirlwind canister incoming gas pipe links to each other.
The bottom of above-mentioned low-temperature plasma deodoration system whirlwind jar is provided with the discharge outlet of controlled keying.
Compared with prior art; The low-temperature plasma oxidator that the present invention designed can let the gas that gets within it portion ionization and decomposition take place; Thereby generation free electron; Since these free electrons as catalyst can be apace with airborne pernicious gas particularly formaldehyde react, thereby can be through harmful substance contained in physics mode filtering air formaldehyde particularly; In addition; The low-temperature plasma deodoration system that the present invention designed; Adopt the low-temperature plasma oxidator of above-mentioned design to match with whirlwind jar, retort and sprayed tank; Thereby can more effectively comprehensively handle, effectively improve air quality, reduce particularly formaldehyde harm that environment and operator are caused of pernicious gas air.
Description of drawings
Fig. 1 is the vertical view of a kind of low-temperature plasma oxidator of the present invention;
Fig. 2 is the front view of a kind of low-temperature plasma oxidator of the present invention;
Fig. 3 is the upward view of a kind of low-temperature plasma oxidator of the present invention;
Fig. 4 is that the A-A of Fig. 2 is to cutaway view;
Fig. 5 is the scheme of installation of low-temperature plasma oxidator in the low-temperature plasma deodoration system;
Fig. 6 is a kind of low-temperature plasma deodoration system of the present invention;
Fig. 7 is that the B-B of Fig. 6 is to cutaway view;
Reference numeral:
1, whirlwind jar; 1-1, air inlet pipe; 1-2, water smoke pipe; 1-3, direct piping; 1-4, spiral drainage plate; 1-5, air baffle ring; 1-6, discharge outlet; 2, retort; 2-1, inlet; 2-2, outlet; 3, sprayed tank; 3-1, mozzle; 3-2, impact-absorbing shell; 3-3, shower; 4, low-temperature plasma oxidator; 4-1, shell body; 4-2, inner housing; 4-3, go into tracheae; 4-4, escape pipe; 4-5, oral siphon; 4-6, outlet pipe; 4-7, wire netting tube; 4-8, positive electrode; 4-9, negative electrode; 4-10, porcelain insulator; 5, circulating water pipe; 6, water pump; 7, centrifugal high pressure fan.
The specific embodiment
Referring to Fig. 1-4, a kind of low-temperature plasma oxidator 4 mainly by shell body 4-1, inner housing 4-2, go into tracheae 4-3, escape pipe 4-4, quartz ampoule, oral siphon 4-5, outlet pipe 4-6, wire netting tube 4-7, positive electrode 4-8 and negative electrode 4-9 and form.
Shell body 4-1 and inner housing 4-2 are independently hollow cavity.Inner housing 4-2 is embedded in the inner chamber of shell body 4-1, and exists certain interval, inner housing 4-2 and shell body 4-1 to insulate mutually between the madial wall of inner housing 4-2 lateral wall and shell body 4-1.2 lateral sidewalls of inner housing 4-2 are processed by conductive material, respectively offer a plurality of pores on each lateral sidewalls, and are opened in 2 pore positions on lateral sidewalls correspondence one by one.In the present invention, said pore is arranged on lateral sidewalls.In order to prevent that gas from overflowing from shell body 4-1 and influence the ionization effect of low-temperature plasma oxidator 4, said shell body 4-1 avoids state because of guarantee it as far as possible.In addition, in order to guarantee the insulating properties between shell body 4-1 and the inner housing 4-2, the gap location between the madial wall of said inner housing 4-2 lateral wall and shell body 4-1 is provided with porcelain insulator 4-10.
A wherein end of going into tracheae 4-3 and escape pipe 4-4 is connected on relative 2 longitudinal side walls of inner housing 4-2, and communicate with the inner chamber of inner housing 4-2 simultaneously, and relative 2 longitudinal side walls that the other end of going into tracheae 4-3 and escape pipe 4-4 then passes shell body 4-1 respectively communicate with the external world.Treat that ionized gas goes into tracheae 4-3 from low-temperature plasma oxidator 4 and directly send into the inner chamber of inner housing 4-2 and carry out ionization, the gas after the ionization is discharged from escape pipe 4-4.
Wire netting tube 4-7 is a hollow tube-shape, and the pore number of offering on the number of wire netting tube 4-7 and the inner housing 4-2 lateral sidewalls is identical.Above-mentioned a plurality of wire netting tube 4-7 is crossed in the inner chamber of inner housing 4-2 in parallel to each other, and the end of each wire netting tube 4-7 links to each other with pore on one of them lateral sidewalls, the other end then with another lateral sidewalls on pore link to each other.
Quartz ampoule is the tubular of hollow, and the bar number of quartz ampoule is corresponding with the number of wire netting tube 4-7.Above-mentioned many quartz ampoules are crossed in the inner chamber of shell body 4-1 and inner housing 4-2 in parallel to each other; Wherein an end of every quartz ampoule one of them lateral sidewalls of passing shell body 4-1 links to each other with oral siphon 4-5, the other end of quartz ampoule then pass inner housing 4-22 relatively pore, the inside of wire netting tube 4-7 and another lateral sidewalls of shell body 4-1 on the lateral sidewalls link to each other with outlet pipe 4-6.Oral siphon 4-5 and outlet pipe 4-6 communicate with outer tank.In the present invention, quartz ampoule can adopt following 2 kinds of modes with the connected mode of oral siphon 4-5 and outlet pipe 4-6: the first lets entry one end of every quartz ampoule link to each other with oral siphon 4-5 separately, and water outlet one end of every quartz ampoule links to each other with outlet pipe 4-6 separately; It two is to let all quartz ampoules are end to end to be together in series each other, lets entry one end of article one quartz ampoule link to each other with oral siphon 4-5 then, and water outlet one end of the last item quartz ampoule links to each other with outlet pipe 4-6.All there is certain interval between the madial wall of the lateral wall of quartz ampoule and wire netting tube 4-7 and pore.In order to prevent that gas from overflowing, in the present invention, the two ends of every quartz ampoule are arranged with a sealing ring, and the sealing circle is fixed on the connecting place of quartz ampoule and shell body 4-12 relative lateral sidewalls.
In order to guarantee the effect of ionization; The lateral wall of every quartz ampoule should and the inboard of its outside sheathed wire netting tube 4-7 between the gap preferably can evenly promptly guarantee both axiality; Consistent to guarantee arcing distance; Therefore, in invention, the axis of every quartz ampoule all with the axis overlaid of its outside sheathed wire netting tube 4-7.The spacing of the madial wall of the lateral wall of quartz ampoule and wire netting tube 4-7 is between 5mm～8mm.In order to regulate the concentricity of quartz ampoule and wire netting tube 4-7, in the present invention, the outside of each sealing ring also is arranged with self-aligning ring.
Positive electrode 4-8 stretches in the inner chamber of quartz ampoule, and with the quartz ampoule inner chamber in the water conducting of injecting; Negative electrode 4-9 is connected an inner housing 4-2 lateral sidewalls or wire netting tube 4-7, and is conducted with wire netting tube 4-7; Positive electrode 4-8 all links to each other with external power source with negative electrode 4-9.
Above-mentioned low-temperature plasma oxidator 4 is in use: at first, need to open oral siphon 4-5 and outlet pipe 4-6, let the pure water in the outer tank circulate in the inside of quartz ampoule.Then, the air of treating ionization is sent into the inner housing 4-2 of low-temperature plasma oxidator 4 from going into tracheae 4-3.At last, connect external power source, make positive electrode 4-8 and negative electrode 4-9 charged, positive electrode 4-8 can discharge to negative electrode 4-9.Because positive electrode 4-8 stretches in the inner chamber of quartz ampoule, and with the quartz ampoule inner chamber in the water conducting of injecting; Negative electrode 4-9 is connected an inner housing 4-2 lateral sidewalls or wire netting tube 4-7; And be conducted with wire netting tube 4-7; Therefore the gap that can pass between quartzy tube wall and quartz ampoule and the wire netting tube 4-7 of the electric charge that discharges of positive electrode 4-8 flow to wire netting tube 4-7, and is back on the negative electrode 4-9 by wire netting tube 4-7.Therefore ionization can take place and produce free electron in the ionized air of treating that is full of this moment in inner housing 4-2.Since these free electrons as catalyst can be apace with airborne pernicious gas particularly formaldehyde react, so the formaldehyde that gas contained after the escape pipe 4-4 ionization of discharging can greatly reduce.
Adopt the made low-temperature plasma deodoration system of above-mentioned low-temperature plasma oxidator 4, shown in Fig. 6 and 7, it mainly is made up of whirlwind jar 1, retort 2, sprayed tank 3 and 2 low-temperature plasma oxidators 4.
Whirlwind jar 1 is the tank body of a hollow; The inner and upper that the top of whirlwind jar 1 is provided with air inlet pipe 1-1, this air inlet pipe 1-1 is provided with water smoke pipe 1-2; Be provided with a vertically extending direct piping 1-3 in the inner chamber of whirlwind jar 1; The lower end of direct piping 1-3 is connected with demist cover with holes, and the upper end of direct piping 1-3 then extend out to the outside of whirlwind jar 1 from the inside of whirlwind jar 1 and links to each other with the tracheae 4-3 that goes into of the first low-temperature plasma oxidator 4; The top and the middle part sidewall dish that are in the direct piping 1-3 of whirlwind jar 1 inside are provided with spiral drainage plate 1-4, and the lower sides of direct piping 1-3 then is arranged with the air baffle ring 1-5 of a umbrella annular.In order can regularly the liquid in the whirlwind jar 1 to be discharged, the bottom of whirlwind jar 1 is provided with the discharge outlet 1-6 that can control keying.
Sprayed tank 3 is the tank body of a hollow; Be provided with a mozzle 3-1 in the inner chamber of sprayed tank 3; The end of this mozzle 3-1 stretches out from the bottom of sprayed tank 3 and links to each other with the escape pipe 4-4 of the second low-temperature plasma oxidator 4, and the opening of the other end of mozzle 3-1 is provided with and is in the bottom of sprayed tank 3 up; Be connected with the impact-absorbing shell 3-2 of a umbrella shape directly over the mozzle 3-1; Be the shower 3-3 that the middle and upper part of sprayed tank 3 then is provided with an annular directly over the impact-absorbing shell 3-2, the water inlet of this shower 3-3 joins through the water pipe of water pump 6 with peripheral hardware, and the delivery port of offering on the shower 3-3 down; The outlet 2-2 that sprayed tank 3 tops are offered links to each other with outside air via centrifugal high pressure fan 7.In order to carry out recycle to the water source, the present invention also includes a circulating water pipe 5, and the water intake end of this circulating water pipe 5 links to each other with the bottom of sprayed tank 3, and the inlet 2-1 of the water smoke pipe 1-2 that is provided with in the water side of circulating water pipe 5 and the whirlwind jar 1 air inlet pipe 1-1 links to each other.
Above-mentioned low-temperature plasma oxidator 4 is as shown in Figure 5 in the installation of low-temperature plasma deodoration system signal, this low-temperature plasma oxidator 4 mainly by shell body 4-1, inner housing 4-2, go into tracheae 4-3, escape pipe 4-4, quartz ampoule, oral siphon 4-5, outlet pipe 4-6, wire netting tube 4-7, positive electrode 4-8 and negative electrode 4-9 and form.
Shell body 4-1 and inner housing 4-2 are independently hollow cavity.Inner housing 4-2 is embedded in the inner chamber of shell body 4-1, and exists certain interval, inner housing 4-2 and shell body 4-1 to insulate mutually between the madial wall of inner housing 4-2 lateral wall and shell body 4-1.2 lateral sidewalls of inner housing 4-2 are processed by conductive material, respectively offer a plurality of pores on each lateral sidewalls, and are opened in 2 pore positions on lateral sidewalls correspondence one by one.In the present invention, said pore is arranged on lateral sidewalls.In order to prevent that gas from overflowing from shell body 4-1 and influence the ionization effect of low-temperature plasma oxidator 4, said shell body 4-1 avoids state because of guarantee it as far as possible.In addition, in order to guarantee the insulating properties between shell body 4-1 and the inner housing 4-2, the gap location between the madial wall of said inner housing 4-2 lateral wall and shell body 4-1 is provided with porcelain insulator 4-10.
A wherein end of going into tracheae 4-3 and escape pipe 4-4 is connected on relative 2 longitudinal side walls of inner housing 4-2, and communicate with the inner chamber of inner housing 4-2 simultaneously, and relative 2 longitudinal side walls that the other end of going into tracheae 4-3 and escape pipe 4-4 then passes shell body 4-1 respectively communicate with the external world.Treat that ionized gas goes into tracheae 4-3 from low-temperature plasma oxidator 4 and directly send into the inner chamber of inner housing 4-2 and carry out ionization, the gas after the ionization is discharged from low-temperature plasma oxidator 4 escape pipe 4-4.
Wire netting tube 4-7 is a hollow tube-shape, and the pore number of offering on the number of wire netting tube 4-7 and the inner housing 4-2 lateral sidewalls is identical.Above-mentioned a plurality of wire netting tube 4-7 is crossed in the inner chamber of inner housing 4-2 in parallel to each other, and the end of each wire netting tube 4-7 links to each other with pore on one of them lateral sidewalls, the other end then with another lateral sidewalls on pore link to each other.
Quartz ampoule is the tubular of hollow, and the bar number of quartz ampoule is corresponding with the number of wire netting tube 4-7.Above-mentioned many quartz ampoules are crossed in the inner chamber of shell body 4-1 and inner housing 4-2 in parallel to each other; Wherein an end of every quartz ampoule one of them lateral sidewalls of passing shell body 4-1 links to each other with oral siphon 4-5, the other end of quartz ampoule then pass inner housing 4-22 relatively pore, the inside of wire netting tube 4-7 and another lateral sidewalls of shell body 4-1 on the lateral sidewalls link to each other with outlet pipe 4-6.Oral siphon 4-5 and outlet pipe 4-6 communicate with outer tank.In the present invention, quartz ampoule can adopt following 2 kinds of modes with the connected mode of oral siphon 4-5 and outlet pipe 4-6: the first lets entry one end of every quartz ampoule link to each other with oral siphon 4-5 separately, and water outlet one end of every quartz ampoule links to each other with outlet pipe 4-6 separately; It two is to let all quartz ampoules are end to end to be together in series each other, lets entry one end of article one quartz ampoule link to each other with oral siphon 4-5 then, and water outlet one end of the last item quartz ampoule links to each other with outlet pipe 4-6.All there is certain interval between the madial wall of the lateral wall of quartz ampoule and wire netting tube 4-7 and pore.In order to prevent that gas from overflowing, in the present invention, the two ends of every quartz ampoule are arranged with a sealing ring, and the sealing circle is fixed on the connecting place of quartz ampoule and shell body 4-12 relative lateral sidewalls.
In order to guarantee the effect of ionization; The lateral wall of every quartz ampoule should and the inboard of its outside sheathed wire netting tube 4-7 between the gap preferably can evenly promptly guarantee both axiality; Consistent to guarantee arcing distance; Therefore, in invention, the axis of every quartz ampoule all with the axis overlaid of its outside sheathed wire netting tube 4-7.The spacing of the madial wall of the lateral wall of quartz ampoule and wire netting tube 4-7 is between 5mm～8mm.In order to regulate the concentricity of quartz ampoule and wire netting tube 4-7, in the present invention, the outside of each sealing ring also is arranged with self-aligning ring.
Positive electrode 4-8 stretches in the inner chamber of quartz ampoule, and with the quartz ampoule inner chamber in the water conducting of injecting; Negative electrode 4-9 is connected an inner housing 4-2 lateral sidewalls or wire netting tube 4-7, and is conducted with wire netting tube 4-7; Positive electrode 4-8 all links to each other with external power source with negative electrode 4-9.
Above-mentioned low-temperature plasma deodoration system is in use:
The air that glue and wood-based plate factory area are discharged and other have the air that is harmful to other and get into the present invention from air inlet pipe 1-1.Behind the spray of the air that gets into through water smoke pipe 1-2, harmful substance that wherein can be water-soluble is sent in the whirlwind jar 1 after being partially absorbed by water smoke.The air that carries water smoke is rotated down along direct piping 1-3 under the drainage of spiral drainage plate 1-4.After the water smoke air that is rotated down is stopped by air baffle ring 1-5 and demist cover; Wherein contained water smoke can drop to the below of whirlwind jar 1 along air baffle ring 1-5 and demist cover; Most of gas wherein then can upwards flow along direct piping 1-3, and delivers in the first low-temperature plasma oxidator 4 and carry out ionization first.
Stop slightly in retort 2 through the air after the ionization of the first low-temperature plasma oxidator 4, to promote free electron and the particularly reaction of formaldehyde of harmful substances in air.The reacted air of process is then sent in the second low-temperature plasma oxidator 4 and is carried out double ionization.
Get in the sprayed tank 3 from mozzle 3-1 through the air after the ionization of the second low-temperature plasma oxidator 4.Because the shower 3-3 in the sprayed tank 3 continues in sprayed tank 3, to inject water smoke; Therefore the air that from mozzle 3-1, gets into can be more all sidedly and aqueous phase reactions, dropped in the sprayed tank 3 after contained most harmful substances soluble in water can be absorbed by the water smoke of sprayed tank 3 ejections in this moment air.Air after the centrifugal high pressure fan 7 that sprayed tank 3 tops connect will filter is expelled to outdoor.
Claims (9)
1. low-temperature plasma oxidator is characterized in that: mainly by shell body (4-1), inner housing (4-2), go into tracheae (4-3), escape pipe (4-4), quartz ampoule, oral siphon (4-5), outlet pipe (4-6), wire netting tube (4-7), positive electrode (4-8) and negative electrode (4-9) and form;
Shell body (4-1) and inner housing (4-2) are independently hollow cavity; Inner housing (4-2) is embedded in the inner chamber of shell body (4-1), and have certain interval between the madial wall of inner housing (4-2) lateral wall and shell body (4-1), inner housing (4-2) insulate with shell body (4-1) mutually; 2 lateral sidewalls of inner housing (4-2) are processed by conductive material, respectively offer a plurality of pores on each lateral sidewalls, and are opened in 2 pore positions on lateral sidewalls correspondence one by one;
A wherein end of going into tracheae (4-3) and escape pipe (4-4) is connected on relative 2 longitudinal side walls of inner housing (4-2), and communicate with the inner chamber of inner housing (4-2) simultaneously, and relative 2 longitudinal side walls that the other end of going into tracheae (4-3) and escape pipe (4-4) then passes shell body (4-1) respectively communicate with the external world;
Wire netting tube (4-7) is a hollow tube-shape, and the pore number of offering on the number of wire netting tube (4-7) and inner housing (4-2) lateral sidewalls is identical; Above-mentioned a plurality of wire netting tubes (4-7) are crossed in the inner chamber of inner housing (4-2) in parallel to each other, and an end of each wire netting tube (4-7) links to each other with pore on one of them lateral sidewalls, the other end then with another lateral sidewalls on pore link to each other;
Quartz ampoule is the tubular of hollow, and the number of quartz ampoule is corresponding with the number of wire netting tube (4-7); Above-mentioned many quartz ampoules are crossed in the inner chamber of shell body (4-1) and inner housing (4-2) in parallel to each other; Wherein an end of every quartz ampoule one of them lateral sidewalls of passing shell body (4-1) links to each other with oral siphon (4-5), and the other end of quartz ampoule then passes the pore on 2 relative lateral sidewalls of inner housing (4-2), the inside of wire netting tube (4-7) and another lateral sidewalls of shell body (4-1) and links to each other with outlet pipe (4-6); Oral siphon (4-5) and outlet pipe (4-6) communicate with outer tank; All there is certain interval between the madial wall of the lateral wall of quartz ampoule and wire netting tube (4-7) and pore;
Positive electrode (4-8) stretches in the inner chamber of quartz ampoule, and with the quartz ampoule inner chamber in the water conducting of injecting; Negative electrode (4-9) is connected individual lateral sidewalls of inner housing (4-2) or wire netting tube (4-7), and is conducted with wire netting tube (4-7).
2. low-temperature plasma oxidator according to claim 1 is characterized in that: the axis of every quartz ampoule all with the axis overlaid of its outside sheathed wire netting tube (4-7).
3. low-temperature plasma oxidator according to claim 1 and 2 (4) is characterized in that: the spacing of the madial wall of the lateral wall of quartz ampoule and wire netting tube (4-7) is between 5mm～8mm.
4. low-temperature plasma oxidator according to claim 1 is characterized in that: the two ends of every quartz ampoule are arranged with a sealing ring, and the sealing circle is fixed on the connecting place of quartz ampoule and 2 relative lateral sidewalls of shell body (4-1).
5. low-temperature plasma oxidator according to claim 4 is characterized in that: the outside of each sealing ring also is arranged with self-aligning ring.
6. low-temperature plasma oxidator according to claim 1 is characterized in that: the gap location between the madial wall of inner housing (4-2) lateral wall and shell body (4-1) is provided with porcelain insulator (4-10).
7. the low-temperature plasma deodoration system is characterized in that: mainly be made up of whirlwind jar (1), retort (2), sprayed tank (3) and 2 low-temperature plasma oxidators (4);
Whirlwind jar (1) is the tank body of a hollow; The inner and upper that the top of whirlwind jar (1) is provided with air inlet pipe (1-1), this air inlet pipe (1-1) is provided with water smoke pipe (1-2); Be provided with a vertically extending direct piping (1-3) in the inner chamber of whirlwind jar (1); The lower end of direct piping (1-3) is connected with demist cover with holes, and the upper end of direct piping (1-3) then extend out to the outside of whirlwind jar (1) from the inside of whirlwind jar (1) and links to each other with the tracheae (4-3) of going into of the first low-temperature plasma oxidator (4); The top and the middle part sidewall dish that are in the inner direct piping (1-3) of whirlwind jar (1) are provided with spiral drainage plate (1-4), and the lower sides of direct piping (1-3) then is arranged with the air baffle ring (1-5) of a umbrella annular;
Retort (2) is the tank body of a hollow; The inlet (2-1) that retort (2) bottom is offered links to each other with the escape pipe (4-4) of the first low-temperature plasma oxidator (4), and the outlet (2-2) that retort (2) top is offered links to each other with the tracheae (4-3) of going into of the second low-temperature plasma oxidator (4);
Sprayed tank (3) is the tank body of a hollow; Be provided with a mozzle (3-1) in the inner chamber of sprayed tank (3); One end of this mozzle (3-1) stretches out from the bottom of sprayed tank (3) and links to each other with the escape pipe (4-4) of the second low-temperature plasma oxidator (4), and the opening of the other end of mozzle (3-1) is provided with and is in the bottom of sprayed tank (3) up; Be connected with the impact-absorbing shell (3-2) of a umbrella shape directly over the mozzle (3-1); Be the shower (3-3) that the middle and upper part of sprayed tank (3) then is provided with an annular directly over the impact-absorbing shell (3-2), the water inlet of this shower (3-3) joins through the water pipe of water pump (6) with peripheral hardware, and the delivery port of offering on the shower (3-3) down; The outlet (2-2) that sprayed tank (3) top is offered links to each other with outside air via centrifugal high pressure fan (7);
Above-mentioned 2 low-temperature plasma oxidators (4) are any described low-temperature plasma oxidator (4) in the claim 1～6.
8. low-temperature plasma deodoration system according to claim 7; It is characterized in that: also include a circulating water pipe (5); The water intake end of this circulating water pipe (5) links to each other with the bottom of sprayed tank (3), and the inlet (2-1) of the water smoke pipe (1-2) that is provided with in the water side of circulating water pipe (5) and whirlwind jar (1) air inlet pipe (1-1) links to each other.
9. low-temperature plasma deodoration system according to claim 7 is characterized in that: the bottom of whirlwind jar (1) is provided with the discharge outlet (1-6) of controlled keying.
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