CN104047680A - Bionic purifier for carbon dioxide in fuel vehicle exhaust - Google Patents
Bionic purifier for carbon dioxide in fuel vehicle exhaust Download PDFInfo
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- CN104047680A CN104047680A CN201410212691.1A CN201410212691A CN104047680A CN 104047680 A CN104047680 A CN 104047680A CN 201410212691 A CN201410212691 A CN 201410212691A CN 104047680 A CN104047680 A CN 104047680A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a technology of a bionic purifier for carbon dioxide in fuel vehicle exhaust, and solves the problem that a conventional vehicle three-way catalytic converter cannot covert carbon dioxide in exhaust or purify PM2.5. Through the use of the photosynthesis of green plants and the application of biomimicry and catalysis and reaction engineering, the photosynthesis is artificially imitated, an artificial electric field is arranged in a bionic tube by using the residual heat of waste gas of a vehicle, and kinetic energy and supplied power of the vehicle, a plurality of groups of palladium plated electrode grids are arranged, and water in the exhaust is ionized into hydrogen and oxygen under the dual effects of an electric potential and precious metal; hydrogen containing exhaust enters a reactor taking natural zeolite as a medium, the medium has high adsorption, filtration and catalysis characteristics; carbon dioxide and hydrogen are synthetized into a sugar organic matter, byproduct oxygen is escaped, and the carbon dioxide conversion and PM2.5 filtration are realized. In order to prevent inactivation of reaction products due to deposition, a washing blow-down system is designed. The bionic purifier has a noise elimination function, and can replace a conventional secondary noise eliminator. The bionic purifier has great practical significance in fields of manufacturing of vehicles and environment protection.
Description
Technical field
The present invention relates to environmental protection and field of automobile, relate in particular to the bionical purifier of fuel-engined vehicle tail gas carbon dioxide.
Background technique
Along with world industry process, by mineral fuel, to apply and discharge flood tide carbon dioxide and PM2.5 micronic dust, the atmosphere greenhouse effect that produce have jeopardized terrestrial climate imbalance, air temperature warming, sea level rise; And be there is to haze weather, the serious threat mankind's living environment in the serious pollution of air.Control atmospheric pollution, reduces CO2 emission, is the great environmental protection subject of world today's common concern.
Data shows, by the carbon dioxide of motor vehicle exhaust emission, accounted for 35% of total release, is the main source of carbon emission, is also the main cause of atmosphere PM2.5.End 2008, world car recoverable amount has broken through 900,000,000 Liang ， And with the speed increment of 3,000 ten thousand/year.To the end of the year 2011,1.03 hundred million of the existing all kinds of Motor Vehicle of China.Expect the year two thousand twenty, Global Auto recoverable amount will reach 1,200,000,000 (wherein China is 1.3～1.5 hundred million).When the time comes, the oil that automobile consumes will reach annual 5500000000 tons, hand over oil universal to account for 62% of Global Oil wastage in bulk or weight.Can predict, the CO2 emission of vehicle exhaust will increase substantially, and situation is very severe.
The purification of vehicle exhaust, as far back as 20 century 70 mid-terms, three-way catalytic converter has been invented by the U.S., by the contained three kinds of harmful materials of automobile exhaust gas: carbon monoxide, hydrocarbon and nitrogen oxide, be converted into harmless carbon dioxide, water and nitrogen.European Community's regulation is from January, 1993, and the new car that various countries sell must configure three-way catalytic converter, and has formulated international Europe I-Ou IV emission standard.
Yet, in vehicle exhaust, be regarded as the harmless carbon dioxide that but atmosphere is existed serious harm, due to technical reason, be still so far global problem.Along with the establishment of world's meteorological meeting to carbon emission target, there is new trend in restricting vehicle CO2 emission, European Union formulates new standard: mandatory provision was from 2015, vehicle exhaust CO2 emissions must be down to below 130 grams/kilometer, new car not up to standard is forbidden to dispatch from the factory without exception, the year two thousand twenty mandatory down to 95 gram/kilometer.Provide for a rainy day, Chinese auto manufacturing industry must early have action.
Energy-conservation just in the ascendant with research and development new-energy automobile.Hybrid vehicle, pure electric automobile are being obtained good technique effect aspect energy-conservation, carbon dioxide discharge-reduction, reduction PM2.5.Yet pure electric automobile is still relatively slow because of battery, motor, the core technology development worldwide such as automatically controlled, the complete sets of Techniques facilities such as charging equipment are still relatively backward, and its comprehensive commercialization still needs suitable time.Predict fuel-engined vehicle in, 20 year and will maintain leading position.Under existence conditions, research and develop and realize fuel-engined vehicle tail gas carbon dioxide and reduce discharging, PM2.5 purifies, and still has Great significance.
Summary of the invention
The present invention is intended to research and develop the new technology that a kind of fuel-engined vehicle tail gas carbon dioxide transforms and PM2.5 purifies.Bionical purifier is used for reference nature green plants photosynthesis principle, apply bionical science and technology and catalytic reaction engineering, making carbon dioxide conversion in tail gas is carbohydrate organic substance (carbohydrate), and purify PM2.5 micronic dust, after existing three-way catalytic converter, make secondary purification, make purifying vehicle exhaust technology more attain perfection.
Photosynthesis principle and reaction mechanism general introduction:
As everyone knows, green plants absorbs energy under solar radiation, because photoelectric effect produces electronics, electric current, its leaf constantly absorbs airborne carbon dioxide, root is drawn water from soil, assimilation carbon dioxide and water, and the process of manufacturing organic substance and discharging oxygen is called photosynthesis.Its reaction mechanism can represent with following formula simply:
The energy (sunlight)
Carbon dioxide+water
grape sugar+oxygen
Chloroplast (catalyzer)
(raw material) (converter) (product) (by-product)
The mankind study clear not yet completely to natural photosynthesis principle, wherein many secrets still need to be explored.Yet following several respects key element is identified:
1, photosynthetic generation must provide energy by the external world, and solar irradiation provides necessary heat and energy for green plants;
2, in photosynthesis, be present in chloroplast in green plants leaf and absorb sunlight, photoelectric effect occurs and produce electronics, electronics forms electric current in transmittance process;
3, the leaf of plant utilization self absorbs airborne carbon dioxide, and root is drawn water from soil, and in stem, leaf, the capillarity of fiber rises to blade face by water extraction, is photosynthesis raw material all set;
4, photosynthetic process is divided into " photoreaction " and " dark reaction " two steps substantially." photoreaction " is electronics, the electric current that the chlorophyll in chloroplast is accepted sunlight energy and produced, make water power in leaf from and resolve into hydrogen and oxygen; " dark reaction " is that hydrogen and carbon dioxide synthesize carbohydrate organic substance and store unnecessary energy, disengages oxygen simultaneously.
5, the powerful catalyst that chlorophyll is photosynthesis of plant.
technical thought of the present invention:
1, the bionical purifier of fuel-engined vehicle tail gas carbon dioxide is to use for reference green plants to rely on photosynthesis, by carbon dioxide and water assimilation, accept sunlight energy and first split water into hydrogen and oxygen (photoreaction), make again hydrogen and carbon dioxide synthesize carbohydrate organic substance and discharge working principle and the reaction mechanism of oxygen (dark reaction), reality in conjunction with fuel-engined vehicle, build similar artificial photosynthesis's condition, realize the harmless conversion of carbon dioxide.
2, reaction partner matter carbon dioxide and the water of photosynthesis of plant are drawn from air and soil; And the artificial photosynthesis of bionical purifier self is provided by fuel-engined vehicle waste gas.Gasoline car waste gas is containing H
2o 10～12%, with contained CO
210～13% is in a basic balance; Diesel-oil vehicle waste gas is containing H
2o 1.4～7%, CO
27%, supplementing of water shortage, can or adopt water spray fuel economizer in conjunction with the fuel-economizing of automobile energy-saving technology fuel water, both can solve high compression engine detonation problem, and can improve the power character of motor, reduce oil consumption, also must increase the water content in waste gas, naturally met the balance of carbon dioxide in waste gas and water content.
3, utilize in fuel-engined vehicle waste gas and contain almost and make the equal energy of effective merit (400～900 ℃ of delivery temperatures, pressure 1.96～4.90 ㎏/㎝ 2) with motor, replace outer for energy sunlight.Tail gas is made first class purification through three-way catalytic converter, and owing to adopting low pressure loss design, and purification process is exothermic reaction and insulation, the energy requirement that outlet exhaust temperature and pressure still can meeting tier 2 purify; Adopt automobile self DC power supply, build artificial electric field, realize the ionization of water and decompose, than the sunlight energy more directly, reliably; Design bionical pipe, at the mid-artificial electric field of exhaust gas channel, the many groups of configuration metal film electrical network, implements multiple ionization, improves " photoreaction " effect; Metal electrical network sheet plated surface noble metal catalyst palladium, thick 1～2 μ m of coating.Palladium has the hydrogen of suction and strong catalysis, and low price.Plating palladium electrode has polyphase electrocatalytic effect, can make the reactive rate of ionization increase sharply.
4, design is for the catalytic reactor of " dark reaction ".Reactor inner container is loaded reaction medium natural zeolite, for Zhejiang peculiar.Natural zeolite has very bigger serface, has a lot of uniform passages and cavity in its lattice, and specific surface area, up to 300～1000m2/ gram, has strong absorption, filtration and catalysis characteristics, and cheap.Catalytic reactor is the solid phase fixed bed structure of gas, and tail gas is completed after " photoreaction " by bionical pipe, and Gas Mixtures Containing Hydrogen enters reactor centre gangway, with low pressure loss, radially pass through dielectric layer, hydrogen and carbon dioxide generating reduction reaction, synthetic carbohydrate organic substance, is heat absorption reaction.Bionical purifier by tail gas, provides heat and kinetic energy, causes the decay of exhaust temperature and speed, have noise elimination function, therefore can replace intrinsic secondary muffler.
5, in fuel-engined vehicle tail gas, contain soot particle (gasoline car is light, diesel-oil vehicle is serious) in various degree.For preventing that soot from entering artificial electric field and depositing the accident that opens circuit in electrode electrical network, especially in the anterior exhaust gas channel of bionical pipe, soot silk screen catcher is set (to be comprised of multilayer 80 order wire gazes, part is plated palladium), because there being catalyzer to exist, sediments will be burnt by the residual oxygen in tail gas in the time of 400 ℃, makes trap regeneration.
6, the reaction product of catalytic reactor inner bag cvd dielectric layer and filtration micronic dust, need to often remove, in order to avoid inactivation, for this reason design washing and drainage.
7, because water power needs consumption of calorie, energy from " photoreaction ", and catalytic reaction carbon dioxide is heat absorption reaction by hydrogen reduction Formed hydrate it " dark reaction ", want equally consumption of calorie, purifier tapered cap inner chamber must be filled heat-insulation material expanded vermiculite for this reason, ensures enough thermals source.
8, bionical purifier design adopts modular type composite structure, with flange and fastening piece assembly connection, easy access, maintenance or renewal.
concrete technological scheme of the present invention:
1, bionical purifier adopts modular type composite structure, bionical pipe, dividing plate crossbeam, catalytic reactor, tapered cap, the large parts of conical surface bottom five, consists of.The material that described parts adopt, except insulating material is heat-resistance stainless steel.
2, described bionical pipe is positioned at the front portion of purifier, and, flange seat integrated by tail gas ingress pipe, artificial electric field outer sleeve, splice sleeve, gland nut, artificial electric field, soot silk screen trapping gas, electric source connecting box etc. form.Described tail gas importing bore is consistent with automobile tail gas pipe external diameter, and end machining screw thread, joins gland nut, and end is sleeved on outside an extrusion modling dual-caliber splice sleeve tubule, welding; Artificial electric field outer sleeve is inserted in the large pipe orifice of splice sleeve, with screw fastening, connects, and opens two parallel and covering of the fans be mutually 60 ° of angles, 6mm is wide, 43mm is long notch from portion of end office (EO) suitable for reading, is convenient to electrode electrical network sheet and connects and join power lead; Splice sleeve bassoon end opening is opened two of parallel slots equally, long 12mm, wide 6mm.The built-in artificial electric field of above-mentioned artificial electric field outer sleeve, is embedded with along bottomless insulating ceramics cup, and sidewall is opened two notches identical with outer sleeve, wide 8mm; In cup, plating Pd stainless wire electrode electrical network sheet (mesh 12 orders, thick 1～2 μ m of coating) is laid in layering, each four of both positive and negative polarities, and totally four groups, both positive and negative polarity electrical network, with the thick mica washer spacer insulator of 3mm, separates with 6mm heavy insulation ceramic washer between every group of electrical network.Above-mentioned bionical pipe end cover is joined flange seat, welds fastening.Artificial electric field is integrated complete, during assembling, with rubber asbestos packing ring, adjusts levelling.
3, the thick 6mm of aforementioned barriers crossbeam is the excessive coupling member of bionical pipe and catalytic reactor.Mounting point is in the whole center of gravity of purifier position, establishes earrings and is hung on automobile bottom girder and does load-bearing and support.It has the dark annular groove of 3mm towards bionical pipe face central through bore, for bionical pipe plug-in mounting, connects, and is with screw outward, is fastenedly connected with socket cap screw with the flange seat of above-mentioned bionical pipe.The back side of dividing plate crossbeam, with the flat mouth welding of catalytic reactor outer sleeve, the double connecting flange of doing with tapered cap.Dividing plate crossbeam has six 35mm circular holes, alleviates deadweight, doubles as to the handle hole of tapered cap lumen loading thermoinsulation material.
4, above-mentioned catalytic reactor is comprised of outer sleeve and inner bag.Outer sleeve adopts stainless-steel thin-wall pipe to make, one end flat mouth, and with dividing plate beam welding, the other end squeezes out wide 15mm wide flange face, for connecting with conical surface bottom flanged surface.Above-mentioned outer sleeve inner chamber holding reactor inner bag.Inner bag surrounds welding by the different circular hole waffle slab of two-layer bore, Circularhole diameter 4mm, mesh central row apart from, reject as 7mm, be staggered into plum blossom-shaped and arrange, bottom lock, front end is with cap seal mouth, air flue is walked for tail gas mixed gas by central authorities.In above-mentioned toroidal cavity, load reaction medium natural zeolite, granularity 7～10mm, medium bed thickness gasoline car 3.5 ㎝, diesel-oil vehicle 4.5 ㎝; Inner bladder outer wall is welded with the wing plate of three mutual angular direction in 90 °, leads and stiffening rib.The end face of rigging position, without wing plate, inserts for sluicing pipe; Toroidal cavity between above-mentioned reactor jacket cylinder and inner bag is gas collection air outlet flue; Above-mentioned reactor inner container is plug-in type, with wing plate location, adds spacer be fixed with the top board of conical surface bottom center gas collection outlet pipe, detachably upgrades.
5, an extrusion modling of above-mentioned tapered cap, osculum has the long direct tube section of 15mm, and during band cap, the bionical pipe tail gas ingress pipe outer wall of tight cover, screws gland nut; Large mouth has the wide face-flange of 15mm, with dividing plate crossbeam flange circle, with arc pressuring plate, socket cap screw, nut, spring washer, be fastenedly connected, with respect to artificial electric field electrode power network wiring side cap wall, opening 10mm power line threading hole, exterior electric source connecting box; After bionical pipe racks cap, purifier assembled part is inverted, from reactor jacket pipe internal partition crossbeam preformed hole, to cap inner cavity filling heat-insulation material expanded vermiculite, the thick dull and stereotyped sealing of lid 0.8mm.
6, an extrusion modling of afterbody conical surface bottom, large mouthful has 15mm wide flange face, and serves as a contrast the thick rubber asbestos seal washer of 2mm between reactor jacket cylinder end opening flanged surface, with arc pressuring plate, socket cap screw, nut, spring washer, is fastenedly connected; Above-mentioned conical surface bottom osculum is welded with center gas collection outlet pipe, and with the thick top board seal welding of 2mm, bottom inner chamber place tube wall is covered with 8mm gas collection hole, spacing 3mm; Bottom conical surface top weldering sluicing pipe inserts conduit, bottom weldering drain pipe.Sluicing pipe can freely insert, and inserting paragraph is opened 0.5mm hole for water spraying, and 60 ° of spaced radials are semicircle and distribute, axial spacing 15mm.During non-washing, with pipe plug, seal.Reactor inner container washing, solubilized is removed reaction product and filtrate particulate in dielectric layer, prevents reactor inactivation, keeps purification efficiency.
7, the artificial electric field of above-mentioned bionical pipe adopts the autologous power supply of automobile.Power supply connects from automobile DC power-supply system, 12 volts of voltage rating gasoline cars, 24 volts of heavy-duty diesel vehicles; Power line cross section 4mm2, allows load current value 25 peaces; Tapered cap arranges electric source connecting box outward, and in-built bakelite wire board has lid dustproof; Outlet in parallel, offset cross section 1mm2, cover insulating protection sleeve pipe, is connected to respectively positive and negative electrode electrical network sheet, negative just afterwards before electrode array order.After artificial electric field conduction, produce electrode potential, under the acting in conjunction of noble metal catalyst palladium, in mixed gas, water power is from resolving into [H]
-[O]
+, complete artificial photosynthesis " photoreaction ".
8, above-mentioned catalytic reactor application gas solid phase fixed bed catalyst chamber engineering, adopt the distinctive natural zeolite in Zhejiang to make medium, the characteristic with high efficiency filter, absorption carbon dioxide in gas mixture molecule, put that the carbon dioxide of staying in medium fully contacts with hydrogen, catalysis and produce reduction reaction, complete artificial photosynthesis " dark reaction ", realize carbon dioxide conversion, and filter and reduce PM2.5.
9, above-mentioned bionical pipe tail gas ingress pipe is anterior, and soot silk screen trapping gas is set, and filters, intercepts soot particle in tail gas and enter artificial electric field, prevents that electrode electrical network is because of the carbon distribution accident that opens circuit.Trapping gas adopts Stainless Steel Cloth, grid 80 orders, and diesel-oil vehicle is established four layers, wherein two-layer plating palladium; Gasoline car is two-layer, one deck plating palladium.Under catalyzer exists, carbon deposit thing can be burnt by the residual oxygen in tail gas in the time of 400 ℃, makes to trap gas regeneration.
10,, after bionical purifier is installed on one-level silencing apparatus, automobile tail, makes the secondary purification after three-way catalytic converter.Tail gas is in catalytic reaction, and reaction has consumed heat, and the kinetic energy of having decayed, has noise elimination function, can replace existing secondary muffler.Bionical purifier connects with one-level muffler tail pipe, and design adopts connecting tube to dock with dual-caliber attaching nut reducing.Connecting tube inlet end inserts one-level muffler tail pipe, fastening and make encapsulation process with Cock screw; Outlet side and bionical pipe tail gas ingress pipe spin with attaching nut.The factor of shape specification (straight hole or reducing hole) that changes connecting tube gas inlet end endoporus, just can realize bionical purifier product protection and standardization, is applied to new car or the used car transformation of different automobile types.
advantage of the present invention and effect:
The bionical purifier of carbon dioxide makes full use of amount of residual heat will, kinetic energy and the autologous power supply in fuel-engined vehicle emission
Make the necessary energy of artificial photosynthesis, stable, reliable.With three-way catalytic converter comparison, same without the external energy and material supply; And the consumption of noble metal catalyst is few, catalytic reaction medium natural zeolite is cheap, efficient, and purifier making and operating cost are low; Design adopts modular type composite structure, flange to connect, and is convenient to maintenance, maintenance and dismounting and upgrades; Reactor inner container is established washing drainage, and normalization cleaning reaction product and filtrate, prevent inactivation, keeps efficiency and working life; Bionical purifier had both made up three-way catalytic converter can not chemical recycling of carbon dioxide and purify the insufficiency of function of PM2.5, is the secondary purification device of vehicle exhaust, again alternative secondary muffler.
The bionical purifier of carbon dioxide is applied bionical science and technology and catalytic reactor engineering, realizes fuel-engined vehicle tail gas titanium dioxide
Carbon transforms and PM2.5 purifies, beyond doubt the significant technology innovation of automotive industry and field of Environment Protection.
Accompanying drawing explanation
Fig. 1 is the bionical purifier main body structural representation of tail-gas from gasoline automobiles carbon dioxide;
Fig. 2 is the bionical purifier main body structural representation of exhaust gas from diesel vehicle carbon dioxide;
Fig. 3 is the artificial electric field structure schematic diagram of bionical pipe;
Fig. 4 is catalytic reactor inner bag washing drainage schematic diagram;
Fig. 5 is that bionical purifier and one-level silencing apparatus assemble schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
The structure of 1, the 2 pair of gasoline car of the present invention and the bionical purifier of diesel-oil vehicle amphitypy embodiment fuel-engined vehicle tail gas carbon dioxide forms and Placement is described in down by reference to the accompanying drawings: amphitypy car purifier structure is basic identical, by bionical pipe 1, dividing plate crossbeam 2, catalytic reactor 3, tapered cap 4, the large parts of conical surface bottom 5 five, formed, design adopts modular type composite structure, and major parameter is compared to down:
Overall length mm (containing offgas duct) maximum outside diameter mm reactor diameter mm Zong Chong ㎏
Gasoline car 630 180 150 7.5
Diesel-oil vehicle 650 240 190 10
Bionical pipe 1 is positioned at purifier front portion, tail gas ingress pipe 1a, artificial electric field outer sleeve 1b, splice sleeve 1c, gland nut 1d, insulating ceramics cup 1e, plating palladium electrode electrical network sheet 1f, mica insulation packing ring 1g, insulating ceramics packing ring 1h, flange seat 1i, rubber asbestos packing ring 1j, soot silk screen trapping gas 1k, plating terminal box 1L etc., consists of; Dividing plate crossbeam 2 is the anterior bionical pipes 1 of purifier and the bridge being connected of middle part catalytic reactor 3; Catalytic reactor 3 is positioned at purifier middle part, reactor jacket cylinder 3a and inner bag 3b, consists of; Tapered cap 4 is thermal insulation and protective gears of bionical pipe; Conical surface bottom 5 is positioned at purifier afterbody, by center gas collection outlet pipe 5a, sluicing pipe 5b, insert conduit 5c and drain pipe 5d forms, is the collecting of reaction product, excretory system.
Connect built-up sequence and mode: the flat mouth end welding by aforementioned barriers crossbeam 2 tool back planes and reactor jacket cylinder 3a, forms coupling flange face; This face of horizontalization, is inserted into the artificial electric field outer sleeve 1b of bionical pipe 1 in its center ring connected in star, is inserted in flange seat 1i welding, the thick rubber asbestos plate washer of paving 2mm 1j at the bottom of groove; Insulating ceramics cup 1e setting-in is entered in artificial electric field outer sleeve 1b, keep both to be harmonious by notch; Plating palladium electrode electrical network sheet 1f is connect to power supply intraphase conductor, and crossheading mouth setting-in tiles into ceramic cup, and both positive and negative polarity electrical network sheet is with mica insulation packing ring 1g space; Between every group of electrical network, with insulating ceramics packing ring 1h, separate; End face is filled and led up compression with rubber asbestos plate washer; Tail gas ingress pipe 1a is inserted to the little pipe end of adapter sleeve 1c, welding; The big pipe end of adapter sleeve 1c has that 12mm is long, the wide parallel slot that folds 60 ° of 6mm, be inserted in artificial electric field integrated pipe, and be fastenedly connected with four pieces of d5mm cross recessed raised countersunk oval head screws, then with socket cap screw, flange seat 1i and dividing plate crossbeam 2 are fastenedly connected.Parts 1 and 2 close as a whole.
The osculum of funnel-like tapered cap 4 is inserted in to the tail gas ingress pipe 1a of bionical pipe 1 front portion, more artificial electric field electrical network wiring harness is passed to threading hole in tapered cap.A large mouthful face-flange is aimed at screw with dividing plate crossbeam flanged surface, with arc pressuring plate, socket cap screw, nut, spring washer, is fastenedly connected; Little oral area is with the sealing that spins of gland nut 1d screw thread.Positive and negative electrode electrical network wiring harness access electric source connecting box 1L.
The purifier of having assembled is partly inverted, from reactor jacket cylinder 3a, through dividing plate crossbeam 2 preformed hole of opening, to tapered cap 4 inner cavities, is filled heat-insulating material expanded vermiculite, the thick dull and stereotyped sealing of lid 0.8 ㎜; The reactor inner container 3b that fills natural zeolite medium is added a cover to sealing, and plug-in mounting enters reactor jacket cylinder 3a, the wing plate guiding in inner courage outside, location, and central authorities walk air flue and dock with bionical tube hub passage.
Conical surface bottom 5 osculum plug-in mounting center gas collection outlet pipe 5a, weld fastening; Outlet pipe is welded with top board sealing, and tube wall is covered with 8 ㎜ gas collection holes, spacing 3 ㎜; Top and bottom are welded respectively sluicing pipe and are inserted conduit 5c and drain pipe 5d, and sluicing pipe 5b can freely insert.When the face-flange that bed flange catalytic reactor outer sleeve 3a) and conical surface bottom 5 are large mouthful is assembled, centre adds the thick rubber asbestos plate seal washer of 2 ㎜, aim at screw, with arc pressuring plate, socket cap screw, nut, spring washer, be fastenedly connected.Reactor inner container 3b is compressed fastening by heart gas collection outlet pipe 5a top board among conical surface bottom 5.
Being connected of a whole set of each component of purifier all described.
Below in conjunction with Fig. 3, the artificial electric field structure of bionical pipe and working principle are described below: above-mentioned artificial electric field consists of four groups of electrode electrical networks, being flush-mounted in wall thickness 5 ㎜ has along in the insulating ceramics cup dish 1e revealing the exact details; Two electrical network 1f of positive and negative electrode are one group, and with the thick mica washer spacer insulator of 3 ㎜, electrical network material is stainless steel plating palladium silk screen, mesh 12 orders, plating palladium bed thickness 1～2 μ m; Two adjacent groups electrical network is with the thick ceramic washer 1h spacer insulator of 6 ㎜; Artificial electric field power supply connects from the autologous DC power-supply system of automobile; 12 volts of voltage rating gasoline cars, 24 volts of heavy-duty diesel vehicles, power line cross section 4 ㎜ 2, allow load current value 25 peaces, outlet in parallel, intraphase conductor cross section 1 ㎜ 2, both positive and negative polarity Ge Si road access electrical network sheet; Power line terminal box 1L) be fixed on tapered cap outer wall, upper reserved 10 ㎜ threading holes.
During the energising of positive and negative electrode electrical network, produce electrode potential, when vehicle exhaust passes through electrical network at a high speed, there is fierce collision in mixed gas energetic particle, under the catalysis of electromotive force and noble metal catalyst palladium, water power is from resolving into hydrogen and oxygen, organizes electrical network more and produces multiple ionization, completes artificial photosynthesis's " photoreaction " and generates hydrogen.
Below in conjunction with Fig. 4, catalytic reactor inner bag 3b washing drainage is described as follows: vehicle exhaust is containing CO
2, H
2deng mixed gas, from bionical pipe 1, enter catalytic reactor 3 central passages, radially pass through inner bag 3b annular natural zeolite dielectric layer, because of strong absorption, filtration and the catalysis characteristics of natural zeolite, CO
2by H
2reduction reaction generates carbohydrate organic substance and by-product oxygen, and oxygen is overflowed with tail gas, and carbohydrate organic substance is at cvd dielectric layer, and in tail gas, PM2.5 particulate is adsorbed by media filtration.For preventing reactor inactivation, affect purification efficiency, adopt reactor inner chamber 3b regularly spray washing and blowdown measure.On conical surface bottom 5, along top, establish sluicing pipe and insert conduit 5c, welding, sluicing pipe 5b) top that can freely insert toroidal cavity between reactor jacket cylinder 3a and inner bag 3b; Sluicing pipe inserting paragraph is left 0.5 ㎜ hole for water spraying, and tube wall lower semi-circle is 60 ° of spaced radials, axial spacing 15 ㎜ distribute.At conical surface bottom, along lowest part, establish drain pipe 5d 5 times, welding; During laundry operation, clear water is through pressurization from the ejection of sluicing pipe 5b spray orifice, and clear water sprays through Lower Half dielectric layer from inner bag first half dielectric layer, and sewage collects in bottom, from drain pipe, discharges.
Below in conjunction with Fig. 5, bionical purifier is docked to assembling with one-level silencing apparatus and be described as follows: the mounting point of bionical purifier is after one-level silencing apparatus, near automobile tail.Tail gas is made secondary purification after three-way catalytic converter is processed.The connection of the two, design adopts connecting tube 6b to dock with dual-caliber attaching nut 6c reducing.One-level muffler tail pipe 6a is inserted to connecting tube 6b suction port, fastening and make encapsulation process with Cock screw; Outlet side and bionical pipe tail gas ingress pipe 1a spin with attaching nut 6c.Only need to change the shape specification straight hole of connecting tube 6b gas inlet end endoporus or reducing hole and the one-level muffler tail pipe 6a factor that matches, just can realize bionical purifier product protection and standardization, the new car or the used car that can be applicable to different automobile types are transformed.Above-mentioned bionical purifier, its tail gas has consumed heat in catalytic reactor, and the kinetic energy of having decayed, has noise elimination function, therefore can replace secondary muffler.
Below more by reference to the accompanying drawings 1 to 5, working principle and the purification process of the bionical purifier of vehicle exhaust carbon dioxide are further described:
Car engine, cylinder operation, exhaust, electric motor starting charging; Power supply is to the artificial electric field power supply of bionical pipe 1; Positive and negative electrode electrical network 1f energising produces ionization potential; Vehicle exhaust air inlet-outlet pipe, after three-way catalytic converter is done first class purification processing, contained carbon monoxide, hydrocarbon and oxynitrides are converted; Carbonated, water, nitrogen and hydrogen in mixed gas composition, tail gas enters bionical purifier connecting tube 6b through one-level muffler tail pipe 6a, imports bionical pipe tail gas ingress pipe 1a, through soot silk screen catcher 1k elimination soot particle, enters the artificial electric field of bionical pipe; The fierce collision of high-speed gas particle and electrode electrical network 1f, under the double action of ionization potential and noble metal catalyst palladium, H
2o is ionized and resolves into [H]
-[O]
+; Mixed gas imports catalytic reactor 3, radially passes through reactor inner container 3b, CO
2and H
2under the filtration of medium natural zeolite granulosa, absorption, catalysis acting in conjunction, CO
2by H
2reduction Formed hydrate CH
2o carbohydrate organic substance and O
2, PM2.5 is filtered; O
2with residual gas autoreactor inner bag, 3b disengages, and tail gas through afflux, collect in conical surface bottom 5, is discharged outside car by central row tracheae 5a, has completed bionical purifier and has transformed CO
2, purify the overall process of PM2.5.
Reaction product and physical filtering thing in timing purge reactor inner bag natural zeolite dielectric layer, adopting wash mill is the important technical that prevents reactor inactivation, keeps purification efficiency.
The invention has the advantages that: the bionical purifier of vehicle exhaust carbon dioxide and existing three-way catalytic converter comparison, the one, can transform the carbon dioxide in tail gas and purify PM2.5, efficiency can reach respectively 50% and 80%, and both are combined with and bring out the best in each other; The 2nd, equally without the external energy and material are provided; The 3rd, the consumption of noble metal catalyst is few, operation and low cost of manufacture, and catalytic reaction medium natural zeolite is cheap, efficient, belongs to scarce resource, the unique advantage in Zhejiang; The 4th, there is noise elimination function, can replace secondary muffler; The 5th, modular type composite structure, flange connects, and easy access, maintenance and dismounting are upgraded; 6. bionical science and technology, in industrial practical application, has innovative significance in technical field.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling by those of ordinary skills, made, can not depart from the scope of the present invention.
Claims (10)
1. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide, it is characterized in that: adopt modular type composite structure, by the large parts of bionical pipe (1), dividing plate crossbeam (2), catalytic reactor (3), tapered cap (4) and conical surface bottom (5) five, formed; The material that described parts adopt, except insulating material is heat-resistance stainless steel.
2. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 1, it is characterized in that: described bionical pipe (1) is positioned at the front portion of purifier, by tail gas ingress pipe (1a), artificial electric field outer sleeve (1b), adapter sleeve (1c), gland nut (1d), artificial electric field integrated (1e, 1f, 1g, 1h, 1j), flange seat (1i), soot silk screen catcher (1k), electric source connecting box (1L) etc., formed; Described tail gas ingress pipe (1a) internal diameter is consistent with automobile tail gas pipe external diameter, and end machining screw thread is joined gland nut (1d) and spun, and end is sleeved on outside an extrusion modling dual-caliber splice sleeve (1c) tubule, welding; Artificial electric field outer sleeve (1b) is inserted in the large pipe orifice of splice sleeve (1c), with screw fastening, connects, and from portion of end office (EO) suitable for reading, opens that two parallel and covering of the fan is mutually 60 ° of angles, and the long notch of the wide 43mm of 6mm is convenient to electrode electrical network sheet and is connect and join power lead; Splice sleeve (1c) bassoon end opening is opened two of parallel slots, long 12mm, wide 6mm equally; The built-in artificial electric field of described artificial electric field outer sleeve (1b), is embedded with along bottomless insulating ceramics cup (1e), and sidewall is opened two notches identical with outer sleeve, wide 8mm; In cup, plating Pd stainless wire electrode electrical network sheet (1f) (mesh 12 orders, thick 1～2 μ m of coating) is laid in layering, each four of both positive and negative polarities, totally four groups, both positive and negative polarity electrical network, with the thick mica washer spacer insulator of 3mm, separates with 6mm heavy insulation ceramic washer between every group of electrical network; Described bionical pipe (1) end cover is joined flange seat (li), welds fastening; Artificial electric field is integrated complete, during assembling, with rubber asbestos packing ring (1j), adjusts levelling.
3. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 1, is characterized in that: the thick 6mm of described dividing plate crossbeam (2) is the transition coupling member of bionical pipe (1) and catalytic reactor (3); Mounting point is in the whole center of gravity of purifier position, establishes earrings and is hung on automobile bottom girder and does load-bearing and support; It has the dark annular groove of 3mm towards bionical pipe (1) face central through bore, for bionical pipe (1) plug-in mounting, connects, and is with screw outward, with the flange seat (1i) of socket cap screw and described bionical pipe (1), is fastenedly connected; The flat mouth welding of the back side of dividing plate crossbeam (2) and catalytic reactor outer sleeve (3a), doubles as the connecting flange with tapered cap (4); Dividing plate crossbeam (2) has 6 35mm circular holes, alleviates deadweight, doubles as to the handle hole of tapered cap lumen loading thermoinsulation material.
4. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 1, is characterized in that: described catalytic reactor (3) is comprised of outer sleeve (3a) and inner bag (3b); Outer sleeve (3a) adopts stainless-steel thin-wall pipe to make, one end flat mouth and dividing plate crossbeam (2) welding, and the other end squeezes out wide 15mm wide flange face, for being connected with conical surface bottom flanged surface; Described outer sleeve inner chamber holding reactor inner bag (3b); Inner bag surrounds welding by the different circular hole waffle slab of two-layer bore, Circularhole diameter 4mm, and mesh central row is 7mm apart from, array pitch, the staggered plum blossom-shaped that is is arranged, bottom lock, front end is with cap seal mouth, and air flue is walked for tail gas mixed gas by central authorities; In described toroidal cavity, load reaction medium natural zeolite, granularity 7～10mm, medium bed thickness gasoline car 3.5cm, diesel-oil vehicle 4.5cm, inner bladder outer wall is welded with the wing plate of three mutual angular direction in 90 °, leads and stiffening rib; The end face of rigging position, without wing plate, inserts for sluicing pipe (5b); Toroidal cavity between described reactor jacket cylinder and inner bag is gas collection air outlet flue; Described reactor inner container (3b) is plug-in type, with wing plate location, adds spacer be fixed with the top board of conical surface bottom (5) center gas collection outlet pipe (5a), detachably upgrades.
5. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 1, be characterized in: (4) extrusion modlings of described tapered cap, osculum has the long direct tube section of 15mm, and while attaching the names of pre-determined candidates, tight cover bionical pipe tail gas ingress pipe (1a) outer wall, screws gland nut (1d); Large mouthful has the wide face-flange of 15mm, is fastenedly connected with socket cap screw, nut, spring washer, arc pressuring plate with dividing plate crossbeam (2) flange circle; With respect to artificial electric field electrode power network wiring side, cap wall is opened 10mm power line threading hole, exterior electric source connecting box (1L); Bionical pipe after attaching the names of pre-determined candidates is inverted purifier assembled part, from reactor jacket cylinder internal diameter dividing plate crossbeam preformed hole to cap inner cavity filling heat-insulation material expanded vermiculite, and the thick dull and stereotyped sealing of lid 0.8mm.
6. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 1, it is characterized in that: (5) extrusion modlings of afterbody conical surface bottom, large mouth has 15mm wide flange face, and between reactor jacket cylinder (3a) end opening flanged surface, the thick rubber asbestos seal washer of lining 2mm, is fastenedly connected with socket cap screw, nut, spring washer, arc pressuring plate; Described conical surface bottom (5) osculum is welded with center gas collection outlet pipe (5a), and with the thick top board seal welding of 2mm, bottom inner chamber place tube wall is covered with 8mm gas collection hole, spacing 3mm; Bottom conical surface top weldering sluicing pipe inserts conduit (5c), bottom weldering drain pipe (5d); Sluicing pipe (5b) can freely insert, and inserting paragraph is opened 0.5mm hole for water spraying, and 60 ° of spaced radials are semicircle and distribute, axial spacing 15mm; During non-washing, with pipe plug, seal; Reactor inner container washing, solubilized is removed reaction product and filtrate particulate in dielectric layer, prevents reactor inactivation, keeps purification efficiency.
7. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 2, is characterized in that: the artificial electric field of described bionical pipe (1) adopts the autologous power supply of automobile; Power supply connects from automobile DC power-supply system, 12 volts of voltage rating gasoline cars, 24 volts of heavy-duty diesel vehicles; Power line cross section 4mm2, allows load current value 25 peaces; Tapered cap arranges electric source connecting box (1L) outward, and in-built bakelite wire board has lid dustproof; Outlet in parallel, offset cross section 1mm2, cover insulating protection sleeve pipe, is connected to respectively positive and negative electrode electrical network sheet (1f), negative just afterwards before electrode array order; After artificial electric field conduction, produce electrode potential, under the acting in conjunction of noble metal catalyst palladium, in mixed gas, water power is from resolving into [H]
?[O]
+, complete artificial photosynthesis " photoreaction ".
8. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 4, it is characterized in that: described catalytic reactor (3) application gas solid phase fixed bed catalyst chamber engineering, adopt the distinctive natural zeolite in Zhejiang to make medium, there is high efficiency filter, the characteristic of absorption carbon dioxide in gas mixture molecule, put that the carbon dioxide of staying in medium fully contacts with hydrogen, catalysis and produce reduction reaction, complete artificial photosynthesis " dark reaction ", realize carbon dioxide conversion, and filter and reduce PM2.5 content.
9. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide according to claim 1, it is characterized in that: described bionical pipe tail gas ingress pipe (1a) arranges soot silk screen catcher (1k) in front portion, filter, intercept soot particle in tail gas and enter artificial electric field, prevent that electrode electrical network is because of the carbon distribution accident that opens circuit; Catcher adopts Stainless Steel Cloth, grid 80 orders, and diesel-oil vehicle is established four layers, wherein two-layer plating palladium; Gasoline car is two-layer, one deck plating palladium; Under catalyzer exists, carbon deposit thing can be burnt by the residual oxygen in tail gas in the time of 400 ℃, makes trap regeneration.
10. the bionical purifier of fuel-engined vehicle tail gas carbon dioxide, is characterized in that: after bionical purifier is installed on one-level silencing apparatus, automobile tail, makes the secondary purification after three-way catalytic converter; Tail gas is in catalytic reactor (5), and reaction has consumed heat, and the kinetic energy of having decayed, has noise elimination function, can replace existing secondary muffler; Bionical purifier connects with one-level muffler tail pipe (6a), and design adopts connecting tube (6b) to dock with dual-caliber attaching nut (6c) reducing; Insert one-level muffler tail pipe (6a) in connecting tube (6b) inlet end, fastening and make encapsulation process with Cock screw; Outlet side and bionical pipe tail gas ingress pipe (1a) spin with attaching nut; Change the shape specification of connecting tube (6b) gas inlet end endoporus; Shape specification is straight hole or reducing hole; A factor, just can realize bionical purifier product protection and standardization, is applied to new car or the used car transformation of different automobile types.
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| CN201410212691.1A CN104047680B (en) | 2014-05-20 | 2014-05-20 | The bionical clarifier of fuel-engined vehicle tail gas carbon dioxide |
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| CN201410212691.1A CN104047680B (en) | 2014-05-20 | 2014-05-20 | The bionical clarifier of fuel-engined vehicle tail gas carbon dioxide |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215572A (en) * | 2016-07-26 | 2016-12-14 | 苏州大学 | A kind of bionic nano oxygen permeable membrane |
| CN106390747A (en) * | 2016-08-16 | 2017-02-15 | 陈妙生 | An exhaust gas cleaner for a marine diesel oil engine |
| CN110469390A (en) * | 2019-08-08 | 2019-11-19 | 上海富澳奇机电设备制造有限公司 | A kind of Automobile heat shield |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549939A (en) * | 1991-08-27 | 1993-03-02 | Matsushita Electric Ind Co Ltd | Apparatus for purifying exhaust gas |
| JPH0596166A (en) * | 1991-10-08 | 1993-04-20 | Matsushita Electric Ind Co Ltd | Purifier for high frequency-heated exhaust gas |
| CN101649764A (en) * | 2009-06-24 | 2010-02-17 | 新奥科技发展有限公司 | Device and method for reducing emission of tail gas |
-
2014
- 2014-05-20 CN CN201410212691.1A patent/CN104047680B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549939A (en) * | 1991-08-27 | 1993-03-02 | Matsushita Electric Ind Co Ltd | Apparatus for purifying exhaust gas |
| JPH0596166A (en) * | 1991-10-08 | 1993-04-20 | Matsushita Electric Ind Co Ltd | Purifier for high frequency-heated exhaust gas |
| CN101649764A (en) * | 2009-06-24 | 2010-02-17 | 新奥科技发展有限公司 | Device and method for reducing emission of tail gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215572A (en) * | 2016-07-26 | 2016-12-14 | 苏州大学 | A kind of bionic nano oxygen permeable membrane |
| CN106390747A (en) * | 2016-08-16 | 2017-02-15 | 陈妙生 | An exhaust gas cleaner for a marine diesel oil engine |
| CN110469390A (en) * | 2019-08-08 | 2019-11-19 | 上海富澳奇机电设备制造有限公司 | A kind of Automobile heat shield |
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|---|---|
| CN104047680B (en) | 2017-03-29 |
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