CN106390747A

CN106390747A - An exhaust gas cleaner for a marine diesel oil engine

Info

Publication number: CN106390747A
Application number: CN201610679360.8A
Authority: CN
Inventors: 陈妙生
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-16
Filing date: 2016-08-16
Publication date: 2017-02-15
Anticipated expiration: 2036-08-16
Also published as: CN106390747B

Abstract

The invention provides an exhaust gas cleaner used for treating hydrocarbons, carbon monoxide, nitrogen oxides, dust and noise of exhaust gas discharged due to imperfect combustion of fuel oil of a small- and medium-sized middle- and high-speed high-power marine diesel oil engine. The exhaust gas cleaner is characterized in that exhaust gas at high temperature under high pressure flows through a tapered pipeline for decompression, the exhaust gas is subjected to repeated treatment including twice catalytic redox, filtration contact and separation purification by allowing the exhaust gas after stream dividing and separating to flow into a first-stage exhaust gas catalytic redox device, a second-stage exhaust gas filtration contact device, a third-stage exhaust gas catalytic redox device, and a fourth-stage exhaust gas separation purification device, the catalytic reduction rate for the hydrocarbons, the carbon monoxide and the nitrogen oxides in the exhaust gas can reach 95% or above, the rate of removing the dust the particle size of which is PM2.5 or above is 90% or above, and the total noise reduction capability for noise is that noise the intensity of which is 45 decibels or above can be denoised, thus achieving an objective of performing stable catalytic reduction, dust separation purification, and noise reduction for the exhaust gas.

Description

The catalytic converter of marine diesel engine

Technical field

The invention is belonging to middle-size and small-size high speed high-power marine Diesel engine, due to imperfect combustion reason In the waste gas being discharged containing hydrocarbon, carbon monoxide, oxynitrides, dust, noise implement height catalysis oxidation Reduction, filter and contact, separate and purify, the catalytic converter of dedusting and noise reduction process.

Background technology

Currently for middle-size and small-size high speed high-power marine Diesel engine, discharged by imperfect combustion reason In waste gas containing hydrocarbon, carbon monoxide, oxynitrides, dust, noise processing meanss, not yet have a use special The grid sheet of geometry is arranged in several airflow filtering passages as carrier, with this, coated noble metal ternary on its surface The metal hard waste that catalyst, configuration are become with stainless steel material chip, as filtering contact device, forms a set of waste gas purification with this Device, for processing the waste gas that the imperfect combustion reason of middle-size and small-size high speed high-power marine Diesel engine is discharged, implements to urge Change redox, contact and filter, separate and purify, waste gas is contained with dust simultaneously and noise plays dedusting and noise reduction again High-efficiency environment friendly equipment.

Content of the invention

A kind of catalytic converter for middle-size and small-size high speed high-power marine Diesel engine of the invention, is logical Cross following several technical schemes to be achieved.

Described catalytic converter, including by outer round casing, sets gradually the waste gas with flange in outer round casing and enters Mouth pipeline, import tapered pipeline, first order exhaust fume catalytic redox arrangement, second level waste gas filters contact device, the third level Exhaust fume catalytic redox arrangement, fourth stage waste gas purification separator, export tapered pipeline, the waste gas outlet pipe with flange Road；Import tapered pipeline is provided with inlet channel, outlet tapered pipeline is provided with outlet conduit, flow of inlet water control valve Door, water flow control valve；It is provided with two circular suspension ring on outer round casing top, lower housing portion is provided with two bracing frames, The base plate of bracing frame is provided with and forms combined by the structure of 2 mounting holes.

Described first order exhaust fume catalytic redox arrangement and third level exhaust fume catalytic redox arrangement, its feature It is：In the inside of device, it is divided into the circular grid sheet in left side and right side circle grid sheet as an assembly；With left side circle lattice Grid is single component, and its thickness is set between 20～25mm, and circular shell thickness is arranged between 8～12mm, in housing The some chevron shaped grid sheets with C font structure are processed in inside；The circular grid sheet in left side intersects at 45 ° with import horizontal plane A inclined-plane intersects at upper horizontal plane or lower horizontal plane again, intersects at 45 ° of outer inclined-planes again, and 45 ° of outer inclined-planes intersect at outlet Horizontal plane and triangle convex surface；The import horizontal plane being in reverse side intersects at 45 ° of b inclined-planes, and 45 ° of b inclined-planes intersect at down again Horizontal plane or upper horizontal plane, flow into rightabout towards gas, Open Side Down or forms C font upwards, referred to as C word Type accumulator tank, the elongated surfaces of C font intersect at outlet horizontal plane；With right side circle grid sheet as single component, arrange and left side The thickness of circular gratings piece and circular shell thickness identical size, are also machined to some chevron shaped and C in enclosure interior The grid sheet of font structure；The circular grid sheet in right side intersects at 45 ° of b inclined-planes with import horizontal plane, and 45 ° of b inclined-planes intersect at Upper horizontal plane or lower horizontal plane, flow into rightabout towards gas, Open Side Down or formation C font upwards, referred to as C Font accumulator tank, and the elongated surfaces of C font intersect at outlet horizontal plane；Outlet horizontal plane and right side with left side circle grid sheet The import horizontal plane of circular gratings piece combines, and can form a spill feeder；On the circle grid sheet of left side, it is provided with and is in On the centre bolt hole of center and center line with center inlet horizontal plane intersect at 45 ° of center inclined-plane, and center 45 ° of place inclined-plane is crossed to form chevron shaped opening with both sides outerplanar；The circular grid sheet in left side and the housing of right side circle grid sheet Inner side all on same center line, be provided with 4 be in all angularly and be on same circle, a size of 18～22mm it Between inner side bolt hole；On left side circle grid sheet with the same center line of right side circle grid sheet, it is provided with a center Bolt hole, the size in centre bolt hole is between 18～22mm；In the centre bolt hole of left side circle grid sheet with chevron shaped open On mouth circular grid sheet with right side, setting is in the centre bolt hole of center and chevron shaped opening is mutually corresponded to, people The both sides outerplanar of font opening and 45 ° of inclined-planes intersect, 45 ° of inclined-planes again with outlet horizontal plane with intersect, the circular grid sheet in left side Mutually correspond to the chevron shaped opening of right side circle grid sheet and form a kidney slot closed, be to improve left side circular gratings Piece and right side circle grid sheet be connected with each other after compressive strength, in this, as 1 assembly, then carry out 6 or more than 6 Arrangement, be assembled into first order exhaust fume catalytic redox arrangement or third level exhaust fume catalytic redox arrangement.

Described described first order exhaust fume catalytic redox arrangement or third level exhaust fume catalytic redox dress Airflow filtering passage in putting, is characterized in that：The thickness of airflow filtering passage wooden partition is set between 5～8mm, and wooden partition and plate Between wall, maximum spacing is set to 40～45mm, and between the upper horizontal plane in airflow filtering passage and lower horizontal plane, minimum spacing sets It is set between 12～15mm；With the horizontal center line of left side circle grid sheet and right side circle grid sheet as the axis of symmetry, top It is set to symmetrically with the airflow filtering passage of bottom；It is equipped with equidistant reinforcement, it is thick between airflow filtering passage Degree is sized between 5～8mm, and the depth of reinforcement is set between 15～20mm, between C font accumulator tank top ends Position；And distance is set to 50～55mm between reinforcement；Left side circle grid sheet and right side circle grid sheet is processed into or Person is cast as a form similar to porous honeycomb, with 1 assembly and another 1 assembly, with plural number and cross After the arrangement assembling of cross modal, the quantity of its airflow filtering passage can double.

Described second level waste gas filters contact device, it is characterized in that：It is provided with cylindrical housings inside device, housing is thick Degree be set between 8～12mm, on two sides of cylindrical housings inner circle, be provided with 4 be in all equal angular, protrude Left side semicircle shape baffle plate and right side semicircle shape baffle plate, its thickness is set between 15～20mm, on left side semicircle shape baffle plate and the right side On the center line of same circle of side Semicircular baffle, it is provided with 4 and is in spiral shell in all equal angular left side internal thread hole and right side Pit, tapped bore is set between M16～M20mm；In the centre position of cylindrical housings, it is provided with distance between circular hole impartial The circular filter cowling panel of arrangement, its thickness is set between 10～12mm, and the setting of the Circularhole diameter of circular filter cowling panel Between 15～20mm, on circular filter cowling panel, the wall thickness between circular hole is set between 6～10mm；In circular filter Cowling panel center is provided with centre bolt hole, on the center of circular filter cowling panel left and right sides plane, is provided with Can run through the bolt sleeve in centre bolt hole and configuration 4 be in all angularly, carry acclive reinforcement and 4 waists Shape semicircle orifice；Centre bolt hole aperture is set between 18～22mm, and bolt sleeve external diameter is set to 30mm, and internal diameter is set to 18 Between～22mm；Acclive Rib Thickness is carried to be set between 6～8mm, its gradient is set to 1/10mm, is highly set to Between 10～20mm；Intersecting with the cylindrical of bolt sleeve with acclive reinforcement one end, and stick on circular filter rectification Be welded and fixed on plate, other end intersect at 4 kidney-shaped semicircle orifices of circular filter cowling panel cylindrical on welded solid Fixed；Again circular filter cowling panel excircle orientation is carried out welding in cylindrical housings inner circle to be fixed；Use stainless steel material It is whole as filtering contact carrier, the circular filter being arranged in circular cylindrical shell body that chip becomes metal hard waste to constitute several pelletizing shapes Between stream plate left and right sides space；The single thickness chip of its metal hard waste becomes between 0.4～0.6mm, width is between 4～8mm； The length that second level waste gas filters contact device is set between 200～250mm, and its carrier surface is required to coated noble metal Three-way catalyst, is combined into a set of second level waste gas with this and filters contact device；Purpose is on a left side for circular filter cowling panel Right both sides, setting metal hard waste constitute several pelletizing shapes as filter contact carrier, allow inflow waste gas in metal hard waste structure Become in several pelletizing shapes and play an action of turbulent flow, and after the contact with circular filter cowling panel, carry out bounce-back backflow, utilize The waste gas constantly flowing into, in the form of younger generation excels the older generation, allows waste gas to receive under rear pressure promotes so that waste gas is being justified Shape filters after obtaining rectification in each circular hole of cowling panel and constitutes in metal hard waste and plays a turbulent flow in several pelletizing shapes Technological process, allow produce turbulent flow after waste gas, carry out the catalytic oxidation-reduction of eclipsed form in carrier, have depth to have range again Surface area contact and filtration, repeatedly waste gas is carried out separate and purified treatment.

Described fourth stage waste gas purification separator, is characterized in that：It is respectively equipped with the semicircle gear of right upper portion inside it Plate cylindrical housings and lower right side Semicircular baffle cylindrical housings, length is set between 200～220mm, thickness of shell It is set between 8～12mm；On the left surface of cylindrical housings inner circle, be respectively equipped with 4 be in all equal angular, protrude Left surface a Semicircular baffle and left surface b Semicircular baffle, its plate thickness is set between 12～16mm, in the left side protruded On the same center line of face a Semicircular baffle and left surface b Semicircular baffle, it is provided with 4 and is in all equal angular inner side spiral shell Keyhole A and inner side bolt hole B, the aperture of bolt hole is set between 18～22mm；The depth of right upper portion Semicircular baffle surpasses Cross center line to be sized between 36～40mm, its Weir Plate Thickness is set between 12～16mm；Semicircle in right upper portion The center line of baffle plate is provided with 1 screwed hole of centre, and its aperture is set between M16～M20mm；In the semicircle gear of right upper portion The downside of plate opening portion, is provided with 1 on horizontal center line, inside cylindrical housings, the right flank a semicircle of protrusion Baffle plate, its plate thickness is set between 12～16mm；It is provided with 3 center lines in same circle in right upper portion Semicircular baffle Upper, wherein 1 on horizontal center line, above cylindrical housings inner circle side, and other 2 are separately positioned on water Flat center line, the inner side bolt hole of the cylindrical housings inner circle left and right sides, the aperture of bolt hole is set between 18～22mm；Right The depth of side lower part Semicircular baffle exceedes center line and is sized between 36～40mm, and its plate thickness is set to 12～16mm Between；One centre bolt hole is provided with the center line of lower right side Semicircular baffle, the aperture of its bolt hole is set to 18 Between～22mm；In the upside of lower right side Semicircular baffle opening portion, it is provided with 1 on horizontal center line, in cylinder Shape housing inner circle side, the right flank b Semicircular baffle of protrusion, its thickness is set between 12～16mm；In lower right side half In circular baffle plate, be provided with 3 center lines in same circle, wherein 1 be on horizontal center line, circular cylindrical shell Justify the lower section of side in vivo, and other 2 are separately positioned on horizontal center line, the inner side bolt of the cylindrical housings inner circle left and right sides Hole, the aperture of its bolt hole is set between 18～22mm；In right upper portion Semicircular baffle cylindrical housings and lower right side Between space in Semicircular baffle circular cylindrical shell body, several pelletizing shapes that configuration metal hard waste is constituted；In lower right side half It is simply that at waste gas outlet, being provided with half-round metal filter screen some for protect metal hard waste to constitute at the opening of circular baffle plate Individual pelletizing, the depth of its half-round metal filter screen exceedes center line and is sized between 36～40mm, half-round metal filter screen Outside diameter, be set smaller than between the 3～4mm of cylindrical housings outside diameter of lower right side Semicircular baffle, semicircle The filter screen mesh of shape metal screen is sized between 10～12 mesh；Setting one carries semicircle circular hole frame plate and is used for fixing In device, the thickness of semicircle circular hole frame plate is arranged between 4～5mm half-round metal filter screen, the hole of semicircle circular hole Footpath setting is identical with the opening size of lower right side Semicircular baffle；The depth of its frame plate exceedes center line and is sized to 36 Between～40mm；Be provided with 3 center lines in same circle in semicircle circular hole frame plate, wherein 1 be perpendicular to water On flat center line, semicircle circular hole frame plate, the top of semicircle side, and other 2 are separately positioned on semicircle circular hole frame plate Horizontal center line on, the inner side bolt hole in the left and right sides, the aperture of bolt hole is set between 18～22mm, is assembled with this Become fourth stage waste gas purification separator；In right upper portion Semicircular baffle cylindrical housings and lower right side Semicircular baffle circle The inside of cylindrical shell, is respectively provided with metal hard waste and constitutes several pelletizing shapes as filtration contact carrier in order to allow The waste gas flowing into constitutes in metal hard waste and plays a turbulent flow, waste gas and right upper portion Semicircular baffle in several pelletizing shapes and send out Rebound toward dirty after raw contact, not only metal hard waste constitute play in several pelletizing shapes a turbulent flow, waste gas but with right side under Portion's Semicircular baffle rebounds after coming in contact toward the technological process configuration at upstream, allows the waste gas after producing turbulent flow in carrier, real Apply multi-catalytic redox, depth has surface area contact and the filtration of range again, waste gas is carried out separate and purified treatment.

The positioning of described waste gas purification apparatus and fastening means, is characterized in that：In the entrance of waste gas, using 4 left sides Side inner bolt contacts on the left surface of device with first order exhaust fume catalytic redox arrangement and the filtration of second level waste gas, 4 left sides It is connected after the internal thread hole insertion of side and is fixed, be set between M16～M20mm in the diameter of thread of bolt tip part； In the import center position of waste gas, with 1 import centre bolt and first order exhaust fume catalytic redox arrangement and the second level After waste gas filters contact device and the centre bolt hole insertion of third level exhaust fume catalytic redox arrangement, use centralized positioning nut Be attached being fixed, and the diameter of thread of import centre bolt tip part and nut internal diameter be set to M16～M20mm it Between；Same at the waste gas outlet of opposite location, be also with 4 right side inner bolts and fourth stage waste gas purification separator and the Three-level exhaust fume catalytic redox arrangement and second level waste gas filter on contact device right flank, 4 Right Inboard screwed hole insertions After be connected and fixed, the diameter of thread of right side inner bolt tip part is set between M16～M20mm；In waste gas outlet Centre, with the lower semicircular shape baffle center bolt of 1 export center bolt and fourth stage waste gas purification separator Fixed after being connected after the screwed hole of centre insertion of hole and top Semicircular baffle, its export center bolt leading end portion Point the diameter of thread be also arranged between M16～M20mm, with this be assembled into a set of can to waste gas implement catalysis oxidation also Former, filter and the waste gas purification apparatus contacting, separate and purifying.

Gas in described first order exhaust fume catalytic redox arrangement and third level exhaust fume catalytic redox arrangement Filtration channel, is characterized in that：It is to be made up of special geometry, on its surface, coated noble metal three-way catalyst is as load Body；To containing pernicious gas, dust, noise waste gas, by the use of gas hot pressing as driving force, subtracted after flowing through tapered pipeline Pressure, then implement the shunting separation to waste gas, via first order exhaust fume catalytic redox arrangement or third level exhaust fume catalytic In a gas filtration passage in redox arrangement, by adding inside left side circle grid sheet and right side circle grid sheet Work become some with chevron shaped construction, along inflow direction import horizontal plane, 45 ° of a inclined-planes, upper horizontal plane or lower horizontal plane, 45 ° of outer inclined-planes intersect at outlet horizontal plane and triangle convex surface again；It is in the import horizontal plane of reverse side, 45 ° of b inclined-planes, again Intersect at lower horizontal plane or upper horizontal plane, flow into rightabout towards gas, Open Side Down or C font accumulator tank upwards It is connected with each other, and forms triangle convex surface and groove, referred to as C font accumulator tank and matrix feeder, also to being in center The centre bolt hole of position and center inlet horizontal plane, 45 ° of center inclined-plane and both sides outerplanar and chevron shaped opening are again mutually Corresponding, Open Side Down or matrix feeder upwards, is combined into special geometric configuration airflow filtering passage with this；When Waste gas flows into generation inertia conflict when contacting with airflow filtering channel inner-plate wall, can be in C font accumulator tank and matrix feeder Internal and external parts, can form backflow vortex and the centrifugal force of one strength；Gas under the action of the centrifugal force, first order exhaust fume catalytic oxygen Change reduction apparatus or a gas filtration passage in third level exhaust fume catalytic redox arrangement, 24 can be formed effectively Negative pressure region is that is to say, that can form 48 effective negative pressure regions in the gas filtration passage of a whole piece；Purpose is that handle contains There is hydrocarbon, the waste gas of carbon monoxide plays catalytic oxidation and becomes carbon dioxide and moisture, oxynitrides reduction is anti- The treatment effect of nitrogen and oxygen should be become, using water adsorption dust principle, forming drop can be along C font accumulator tank and matrix The airflow filtering channel inner-plate wall of feeder, be pushed in each effective negative pressure region carry out piling up, the sedimentation of dead-weight Afterwards, the process reaching dedusting purpose and being filtered and purified；The C font being arranged on geometric form construction airflow filtering passage is returned Receive groove and matrix feeder, carrying out noise reduction processing method to the noise containing in waste gas is, using the sound wave of noise, in geometric form In the gas filtration passage wooden partition of construction, the effect that can play a sound wave retroeflection with bounce-back is so that be flowed into airflow filtering While the noise of senior middle school's bass can little by little be weakened in passage, noise reduction and erasure effect are reached, its noise reduction capability can Reach more than 23 decibels.

Described second level waste gas filters the circular filter cowling panel being provided with inside contact device as gas rectification passage, It is respectively equipped with right upper portion Semicircular baffle and lower right side Semicircular baffle inside fourth stage waste gas purification separator；Its Feature is：As the exhaust gas flows in, filter, in second level waste gas, the circle contacting on the circular filter cowling panel being provided with device, impartial At the back side of wall thickness gap, namely gas and contact surface that bore dia is between equivalent arrangements circular hole again, 1 can be formed Individual effective negative pressure region；It is respectively equipped with right upper portion Semicircular baffle and right side in fourth stage waste gas purification separator In the void area at the portion Semicircular baffle back side, each 1 effective negative pressure region can be formed, so filter in second level waste gas and connect Tactile device and the inside of fourth stage waste gas purification separator, have 3 effective negative pressure regions real to the waste gas containing dust Apply and separate and purified treatment.

Described catalytic converter, is characterized in that：Including exhaust gas inlet pipeline, import tapered pipeline, outer round casing, outlet Tapered pipeline, the pipe thickness of waste gas outlet pipeline are set between 8～12mm, on exhaust gas inlet pipeline and waste gas outlet pipeline It is provided with flange, it is more than 1.0MPa that flange thickness arranges compression capability to be met；In import tapered pipeline, outlet tapered pipeline On, the inlet channel being provided with backwash is mutually interconnected with flow of inlet water control valve and water flow control valve with outlet conduit Connect, the diameter of inlet channel and outlet conduit is set between 20A～25A, flow of inlet water control valve and water flow control Valve is provided with threaded stop valve or ball valve；Purpose is using water under high pressure or urea liquid cleaning and to remove The inside of catalytic converter, through after a while to after the catalytic oxidation-reduction of waste gas, the separation of dust and purified treatment, pile up With the gas filtration passage being deposited in first order exhaust fume catalytic redox arrangement and third level exhaust fume catalytic redox arrangement In interior, 48 effective negative pressure regions, also filter on the circular filter plate being provided with contact device in second level waste gas, equal Circularhole diameter, spacing be in again wall thickness gap between the circular hole of equivalent arrangements, be exactly the back side of waste gas and contact surface, It is provided with level Four waste gas purification separator between right upper portion Semicircular baffle and the lower right side Semicircular baffle back side Dust in void area, in 3 effective negative pressure regions so that the catalytic converter good aeration of holding and treatment effect it Outward, maintenance management and the effect extending its life-span are played；Two bracing frames of cylindrical lower housing portion, base plate thickness is set to 12～ Between 16mm, be set between 9～12mm perpendicular to the gripper shoe of base plate and the thickness of reinforcing plate, on the base plate of left and right two each All have 2 mounting holes, the size dimension in its hole is set between 20～27mm, and length is set between 45～50mm, and Support is to play the positioning to catalytic converter and fixing effect；Cylindrical two circular suspension ring of housing upper, circle is hung The internal diameter of ring is set between 24～30mm, and external diameter is set between 50～60mm, and the effect of circular suspension ring is that waste gas is net Change integral hoisting and the carrying of device；Exhaust gas inlet pipeline with flange, import tapered pipeline and outer round casing be connected with each other into Row welding is fixed, then by first order exhaust fume catalytic redox arrangement, second level waste gas filter contact device, the 3rd Level exhaust fume catalytic redox arrangement, fourth stage waste gas purification separator are put into as a global facility, waste gas outlet After position positioning is fixing, imports and exports pipeline and be connected with each other with outlet tapered pipeline, waste gas and carry out welding and fixed, assembled with this Become an a whole set of catalytic converter.

The invention is to middle-size and small-size high speed high-power marine Diesel engine, because imperfect combustion reason is arranged Put containing hydrocarbon, carbon monoxide, oxynitrides, dust, noise waste gas, play by the harmless gas of catalytic oxidation-reduction While body, but dust and noise are implemented stable separate, effectively purify and reach noise reduction with the operation principle of noise reduction process be： Be in the waste gas under high temperature and high pressure condition, by with diesel engine exhaust interconnective exhaust gas inlet pipeline, enter into Mouthful tapered pipeline is implemented after the technological measure of decompression to gases at high pressure, via in first order exhaust fume catalytic redox arrangement, by The left side circle grid sheet of particular geometry composition, from the teeth outwards coated noble metal three-way catalyst and right side circle grid sheet As carrier, in this, as 1 and multiple assemblys, then carry out 6 or more than 6 and arrange, be arranged in the gas of some Filtration channel, is not only gas to be carried out shunt detached processing it is therefore an objective to waste gas and coated noble metal three from the teeth outwards First catalyst as carrier, enforcement large area and contacts so that the waste gas containing hydrocarbon, carbon monoxide rises for a long time Become carbon dioxide and moisture to catalytic oxidation, oxynitrides reduction reaction becomes the treatment effect of nitrogen and oxygen, then profit With the adsorption capacity to dust for the moisture；Gas filtration passage is by left side circle grid sheet and right side circle grid sheet Portion, it is processed into some with chevron shaped construction, along inflow direction import horizontal plane, 45 ° of a inclined-planes, upper horizontal plane or lower water Plane, 45 ° of outer inclined-planes intersect at outlet horizontal plane and triangle convex surface again；The import horizontal plane, the 45 ° of b that are in reverse side are oblique Face, intersect at again lower horizontal plane or upper horizontal plane, flow into rightabout towards gas, Open Side Down or C font upwards Accumulator tank is connected with each other, and forms triangle convex surface and groove, referred to as C font accumulator tank and matrix feeder, also to place Centre bolt hole and center inlet horizontal plane, 45 ° of center inclined-plane and both sides outerplanar and chevron shaped opening in center Again mutually corresponding, Open Side Down or matrix feeder upwards, is combined into special geometric configuration airflow filtering with this Passage；Flow through in gas filtration passage when waste gas, C font accumulator tank and matrix feeder and be combined into particular geometry construction Wooden partition contact when occur inertia conflict, can form respectively one in the inside and outside of C font accumulator tank and matrix feeder After the strong backflow vortex of stock, create centrifugal force and effective negative pressure region；Waste gas under the influence of centrifugal force, containing hydrocarbon Compound, carbon monoxide are nebulized moisture by catalytic oxidation, define drop containing dust in water adsorption waste gas, And drop along gas filtration channel inner-plate wall, the waste gas that flowed into by level is pushed into and is in diverse location, flows into towards gas In negative pressure region inside and outside 12 C font accumulator tanks of rightabout opening and 12 matrix feeders；At this moment 12 C fonts are returned Receive in 24 effective negative pressure regions inside and outside groove and 12 matrix feeders, the liquid containing dust that dams or be recovered to Drip, by own wt, the wooden partition in the effective negative pressure region along inside and outside C font accumulator tank and matrix feeder, generation are heavy Drop or be stored；It is arranged on C font accumulator tank and the matrix feeder on airflow filtering passage, to contain in waste gas Noise carries out noise reduction processing method, using the sound wave of noise, in the gas filtration passage wooden partition of geometric form construction, Ke Yiqi To sound wave retroeflection and bounce-back effect so that be flowed into senior middle school's bass in airflow filtering passage noise can little by little by While weakening, noise reduction and erasure effect are reached, its noise reduction capability can reach more than 23 decibels；But also can leave without The waste gas that catalysis oxidation aoxidized is flowed into second level waste gas and filters in contact device, but waste gas is implemented catalytic oxidation-reduction, Filter contact, the process of isolation of purified.

Described second level waste gas filters contact device, is provided with Circularhole diameter equalization and is arranged in circular filter cowling panel The upper metal hard waste becoming with the stainless steel material chip in the left and right sides constitute several pelletizing shapes as filtration contact carrier, And be coated on noble metal three-way catalyst on its carrier surface and implement large-area contact and filter, its objective is：Allow waste gas It is in the circular filter cowling panel of spacing equivalent arrangements and the stainless steel material chip of the left and right sides with impartial Circularhole diameter again The metal hard waste becoming constitutes several pelletizing shapes and carries out filtering contact, Circularhole diameter on circular filter cowling panel, equal, Between the circular hole being in equivalent arrangements again wall thickness gap, namely at the back side in exhaust gas contact face, 1 can be formed effectively Negative pressure region；Again dust can be collected in effective negative pressure region, allow waste gas to get back further catalytic oxidation-reduction, filtration Contact, the process of isolation of purified.

Waste gas in first order exhaust fume catalytic redox arrangement obtains the purification of catalytic oxidation-reduction after over commutation After process, it is flowed into and filters in contact device in second level waste gas, in the left and right sides of circular filter cowling panel, metal is set and returns Silk constitutes several pelletizing shapes as filtering contact carrier, is to allow the waste gas of inflow to constitute in several pelletizing shapes in metal hard waste Play an action of turbulent flow, and after the contact with circular filter cowling panel, carry out bounce-back backflow, using the continuous waste gas flowing into The form that younger generation excels the older generation, allows waste gas to receive in the case that rear pressure promotes so that waste gas is in circular filter rectification Constitute after obtaining rectification in each circular hole of plate and in metal hard waste and in several pelletizing shapes, play a turbulent technological process Configuration, allows the waste gas after producing turbulent flow to promote to carry out the catalytic oxidation-reduction of eclipsed form in carrier, to have depth to have range again Surface area contact filters, and repeatedly waste gas is separated and the process being purified.

Described third level exhaust fume catalytic redox arrangement, its planform is gone back with the oxidation of first order exhaust fume catalytic completely Original device is identical, is made up of particular geometry as carrier, in its surface the left circles of coated noble metal three-way catalyst Shape grid sheet and right side circle grid sheet are an assembly, the assembly by 6 or more than 6, are combined or arrange Become in the gas filtration passage of some, waste gas is carried out with shunting and detached process, its purpose is to a waste gas and surface Go up the carrier of coated noble metal three-way catalyst, implement large area and contact for a long time so that containing hydrocarbon, an oxygen The waste gas of change carbon plays catalytic oxidation and becomes carbon dioxide and moisture, and oxynitrides plays reduction reaction and becomes nitrogen and oxygen Treatment effect, recycle the adsorption capacity to dust for the vaporific moisture；Gas filtration passage is by left side circle grid sheet With inside the circle grid sheet of right side, be processed into some with chevron shaped construction, oblique along inflow direction import horizontal plane, 45 ° of a Face, upper horizontal plane or lower horizontal plane, 45 ° of outer inclined-planes intersect at outlet horizontal plane and triangle convex surface again；It is in reverse side Import horizontal plane, 45 ° of b inclined-planes, intersect at lower horizontal plane or upper horizontal plane again, flow into rightabout, opening towards gas Downwards or C font accumulator tank upwards is connected with each other, form triangle convex surface and groove, referred to as C font accumulator tank and Matrix feeder, also to the centre bolt hole being in center and center inlet horizontal plane, 45 ° of inclined-planes and both sides outerplanar Again mutually corresponding with chevron shaped opening, Open Side Down or matrix feeder upwards, is combined into special geometry with this Construction airflow filtering passage；Flow through in gas filtration passage when waste gas, C font accumulator tank and matrix feeder and be combined into special There is inertia conflict during the wooden partition contact of geometric configuration, can be permissible in the inside and outside of C font accumulator tank and matrix feeder After form respectively one strong backflow vortex, create centrifugal force and effective negative pressure region；Waste gas is in the work of centrifugal force With under, nebulized moisture by catalytic oxidation containing hydrocarbon, carbon monoxide, in water adsorption waste gas, contain dust And form drop, and drop be pushed into along the wooden partition of gas filtration passage, the waste gas being flowed into by level be in diverse location, In negative pressure region towards inside and outside 12 C font accumulator tanks and 12 matrix feeders of gas inflow rightabout opening；At this moment In 24 effective negative pressure regions inside and outside 12 C font accumulator tanks and 12 matrix feeders, institute containing of damming or be recovered to There is dust drop, by own wt, the plate in the effective negative pressure region along inside and outside C font accumulator tank and matrix feeder Wall, generation settle or are stored；It is arranged on C font accumulator tank and the matrix feeder on airflow filtering passage；To useless The noise containing in gas carries out noise reduction processing method, using the sound wave of noise, in the gas filtration channel plate of geometric form construction In wall, the effect of a sound wave retroeflection and bounce-back can be played so that being flowed into making an uproar of senior middle school's bass in airflow filtering passage While sound can little by little be weakened, noise reduction and erasure effect are reached, its noise reduction capability can reach more than 23 decibels；Then also Can leave and be flowed in fourth stage waste gas filtration contact device without the waste gas that catalytic oxidation-reduction is crossed, waste gas is entered one again The process of step ground catalytic oxidation-reduction, filtration contact and isolation of purified.

Described fourth stage waste gas purification separator, is respectively equipped with right upper portion Semicircular baffle and the right side inside its device Side lower part Semicircular baffle, the metal hard waste that the stainless steel material chip being provided with two sections of gaps becomes constitutes several pelletizings Shape；It is characterized in that：Inside right upper portion Semicircular baffle cylindrical housings and lower right side Semicircular baffle cylindrical housings, It is respectively provided with metal hard waste and constitutes several pelletizing shapes as filtering contact carrier, be to allow the waste gas of inflow to constitute in metal hard waste Play in several pelletizing shapes and rebound toward dirty after a turbulent flow, waste gas and right upper portion Semicircular baffle come in contact, and Metal hard waste constitute play in several pelletizing shapes anti-a turbulent flow, waste gas are come in contact with lower right side Semicircular baffle again after Bullet toward upper technological process configuration, allows the waste gas after producing turbulent flow be also to implement the catalysis oxidation of eclipsed form in carrier also Former, further have depth to have the surface area contact of range to filter again, repetitive waste gas is separated and the process being purified.

Described fourth stage waste gas purification separator, when waste gas by two sections be arranged on right upper portion Semicircular baffle and The metal hard waste that the stainless steel material chip of the semicircle gear of lower right side becomes constitute the contact of several pelletizing shapes and filtration when Wait, if allowing waste gas to be stopped by right upper portion Semicircular baffle and lower right side Semicircular baffle and metal hard waste composition The filtration contact of dry pelletizing shape, after waste gas flows downward out and towards flowing up, on right upper portion Semicircular baffle and the right side 2 effective negative pressure regions can be formed in the back side void area of side lower part Semicircular baffle；At waste gas outlet, the outlet of waste gas Pressure can increase, and several pelletizings that metal hard waste is constituted are shifted onto and gone outside device, are provided with half-round metal filter screen and semicircle The frame plate of shape circular hole is it is simply that be used for several pelletizings protecting metal hard waste to constitute；So to containing pernicious gas, dust, The waste gas of noise is again carried out catalytic oxidation-reduction, filters contact it is possible to isolation of purified and noise reduction process will fully be obtained Waste gas afterwards, flow through outlet tapered pipeline be pressurized after, outwards discharge along waste gas outlet pipeline.

Described catalytic converter, is characterized in that：Exhaust gas inlet pipeline and waste gas outlet pipeline at outer round casing two ends On, the inlet channel being equipped with backwash is connected with flow of inlet water control valve and water flow control valve with outlet conduit Connect；Its objective is：Using the inside of water under high pressure or urea liquid cleaning and removal catalytic converter, through after a while to useless After catalysis reduction, separation and the purification of gas, deposition is urged in first order exhaust fume catalytic redox arrangement and third level waste gas Change in the gas filtration passage of redox arrangement, in 48 effective negative pressure regions, also have and filter contact in second level waste gas At the space being spaced between the circular hole of circular filter cowling panel being provided with device and the back side of gas interface, in the fourth stage The interstice coverage that waste gas purification separator is interior, be provided between right upper portion Semicircular baffle and the lower right side Semicircular baffle back side Dust in domain, in 3 effective negative pressure regions, to prevent dust particale from causing in each gas filtration passage for a long time The blocking piled up and produce, and the purified treatment effect of whole catalytic converter may be affected so that catalytic converter can be protected Hold outside good ventilation and treatment effect, also maintenance management and the effect extending its life-span.

Described catalytic converter, its objective is；Contain due in the waste gas of Diesel engine imperfect combustion reason discharge Have hydrocarbon, carbon monoxide, oxynitrides, dust, a noise, stream through first order exhaust fume catalytic redox arrangement, In second level waste gas filtration contact device, third level exhaust fume catalytic redox arrangement, fourth stage waste gas purification separator To quadric catalysis oxidation and reduction, filtration and the process contacting, separate and purifying, after waste gas is only merely possible to be split separating Adsorption of dust and trapping, collect and process object, its dust without produce to geometric form construction gas filtration passage, use The metal hard waste that stainless steel material chip becomes constitutes several pelletizing shapes as caused clogging in filtration contact carrier； When the gas filtration passage that waste gas flows through in the first order and third level exhaust fume catalytic redox arrangement is contacted, waste gas with There is inertia conflict, gas and first order exhaust fume catalytic redox in geometric form when constructing the wooden partition contact in gas filtration passage Device and third level exhaust fume catalytic redox arrangement are interior, be in 24 C font accumulator tanks of diverse location and 24 matrixs are received 48 effective negative pressure regions of collection groove, implement catalytic oxidation to waste gas and reduction reaction become moisture, are inhaled using moisture Attached dust principle, then implements to separate and purified treatment to dust；Waste gas flows through in the waste gas filtration contact device of the second level and is provided with Circularhole diameter on circular filter cowling panel, impartial be in again gap between equivalent arrangements circular hole wall thickness, be exactly waste gas with At the back side of gas interface, it is provided with right upper portion Semicircular baffle and right side in fourth stage waste gas purification separator Catalysis oxygen in void area between the portion Semicircular baffle back side, in 3 effective negative pressure regions, to waste gas enforcement eclipsed form Change reduction, have depth to have the surface area contact of range to filter again, repeatedly waste gas is separated with the effect being purified it is possible to Fully separated and purified treatment；It is arranged on C font accumulator tank and the matrix feeder on airflow filtering passage, to waste gas In the noise that contains carry out noise reduction processing method and be, using the sound wave of noise, in the gas filtration passage wooden partition of geometric form construction Interior, the effect that can play a sound wave retroeflection with bounce-back is so that be flowed into the noise of senior middle school's bass in airflow filtering passage While being little by little weakened, reach the purpose of noise reduction and noise reduction；So to containing hydrocarbon, carbon monoxide, nitrogen Oxygen compound, dust, the waste gas of noise, its catalytic oxidation-reduction efficiency can reach more than 95%, going to more than dust PM2.5 Except effect reaches more than 90%, its noise reduction and the total effect of noise reduction can reach more than 45 decibels；In a word, the technique effect of the present invention Significantly, structure is simple, compact and reasonable；By high pressure exhaust gas being implemented with step-down and shunting detached technological measure, under worst hot case Make noble metal three-way catalyst that hydrocarbon, carbon monoxide are played catalytic oxidation and become moisture, oxynitrides also The former innocuous gas discharge reacting into nitrogen and oxygen, plays moisture to adsorbing powder dust and former using centrifugal force and negative pressure region Reason, implements a kind of effective stable separation, high purification to dust, and allow noise obtain in structure sound wave retroeflection with Rebound effect, plays the remarkable advantage of noise reduction and erasure effect.

Brief description

Fig. 1 is the catalytic converter schematic diagram of the present invention；

Fig. 2 is the first order exhaust fume catalytic redox arrangement of Fig. 1, second level waste gas filters contact device, the third level is given up Gas catalytic oxidation-reduction device, fourth stage waste gas purification separator detailed section view；

Fig. 3 is the first order exhaust fume catalytic redox arrangement of Fig. 1, the left side of third level exhaust fume catalytic oxidation unit is circular Grid sheet and right side circle grid sheet amplify detailed section view；

Fig. 4 is the A-A view of Fig. 1, the exhaust gas inlet pipeline detailed view of catalytic converter；

Fig. 5 is the B-B view of Fig. 2, and first order exhaust fume catalytic redox arrangement or third level exhaust fume catalytic aoxidize The detailed figure of reduction apparatus；

Fig. 6 is the C-C view of Fig. 2, and first order exhaust fume catalytic redox arrangement or third level exhaust fume catalytic aoxidize Reduction apparatus left side circle grid sheet and right side circle grid sheet as an assembly overlapping with another one assembly after Scheme in detail；

Fig. 7 is the D-D view of Fig. 2, and second level waste gas filters the detailed section view of contact device；

Fig. 8 is the E-E view of Fig. 2, the detailed section view of fourth stage waste gas purification separator；

Fig. 9 is the F-F view of Fig. 1, the detailed section view of fourth stage waste gas purification separator.

In figure description of symbols

Fig. 1 is the catalytic converter example structure schematic diagram of the present invention；

1- catalytic converter, 2- exhaust gas inlet pipeline, 3- import tapered pipeline, the outer round casing of 4-, 5- first order waste gas is urged Change redox arrangement, 6- second level waste gas filters contact device, 7- third level exhaust fume catalytic redox arrangement, the 8- fourth stage Waste gas purification separator, 9- import centre bolt, 10- centralized positioning nut, inner bolt on the left of 11-, inner bolt on the right side of 12-, 13- half-round metal filter screen, 14- semicircle circular hole frame plate, 15- export center bolt, 16- exports tapered pipeline, 17- waste gas Outlet conduit, 18- inlet channel, 19- flow of inlet water control valve, 20- outlet conduit, 21- water flow control valve, 22- Circular suspension ring, 23- bracing frame, 24- mounting hole.

Fig. 2 is first order exhaust fume catalytic redox arrangement, second level waste gas filters contact device, third level exhaust fume catalytic Redox arrangement, fourth stage waste gas purification separator example structure schematic diagram；

5- first order exhaust fume catalytic redox arrangement, circular grid sheet on the left of 51-, circular grid sheet, 53- on the right side of 52- Airflow filtering passage, 5a- negative pressure region；6- second level waste gas filters contact device, 61- cylindrical housings, and 62- circular filter is whole Stream plate, 63- bolt sleeve, 64- carries acclive reinforcement, 65- circular hole, 66a- left side semicircle shape baffle plate, 66b- right side semicircle Shape baffle plate, 67- metal hard waste, 68- centre bolt hole, internal thread hole on the left of 69a-, internal thread hole on the right side of 69b-, 6a- negative pressuren zone Domain；7- third level exhaust fume catalytic redox arrangement, circular grid sheet on the left of 71-, circular grid sheet on the right side of 72-, 73- gas flows through Filter passage, 7a- negative pressure region；8- fourth stage waste gas purification separator, the circular cylindrical shell of 81a- right upper portion Semicircular baffle Body, the cylindrical housings of 81b- lower right side Semicircular baffle, 82- metal hard waste, 83- right upper portion Semicircular baffle, in 84- Side screwed hole A, 84a- left surface a Semicircular baffle, 84b- right flank a Semicircular baffle, 85- lower right side Semicircular baffle, 86- inside thread hole B, 86a- left surface b Semicircular baffle, 86b- right flank b Semicircular baffle circular hole, 87- screwed hole of centre, 88- centre bolt hole, 8a- negative pressure region.

Fig. 3 is first order exhaust fume catalytic redox arrangement, third level exhaust fume catalytic redox arrangement example structure Enlarged diagram；

51st, circular grid sheet on the left of 71-, 510,710- inside thread hole, 511,711- import horizontal plane, 512,712- adds Strong muscle, 513,713-45 ° of a inclined-plane, 514,714-45 ° of b inclined-plane, 515,715-45 ° of outer inclined-plane, 516,716- outlet horizontal plane, 517th, 717-C font accumulator tank, 518,718- center inlet horizontal plane, 519,45 ° of 719- center inclined-plane, the upper water of 51a, 71a- Plane, 51b, 71b- lower horizontal plane, 51c, 71c- spill feeder, the chevron shaped opening of 51d, 71d-, 51e, 71e- centre bolt Hole；52nd, circular grid sheet on the right side of 72-, 520,720- inside thread hole, 521,721- import horizontal plane, 522,722- reinforcement, 523rd, 723-45 ° of a inclined-plane, 524,724-45 ° of b inclined-plane, 525,725-45 ° of outer inclined-plane, 526,726- outlet horizontal plane, 527, 727-C font accumulator tank, 528,728- central outlet horizontal plane, 529,45 ° of 729- center inclined-plane, the upper level of 51a, 71a- Face, 51b, 71b- lower horizontal plane, 51c, 71c- spill feeder, the chevron shaped opening of 51d, 71d-, 51e, 71e- centre bolt hole, 53rd, 73- airflow filtering passage.

2- exhaust gas inlet pipeline, 3- import tapered pipeline, the outer round casing of 4-, 18- inlet channel, 19- flow of inlet water controls Valve, 22- circle suspension ring, 23- bracing frame, 24- mounting hole.

51st, circular grid sheet on the left of 71-, 510,710- inside thread hole, 511,711- import horizontal plane, 512,712- adds Strong muscle, 513,713-45 ° of a inclined-plane, 514,714-45 ° of b inclined-plane, 518,718- center inlet horizontal plane, 519,719- center 45 ° of inclined-planes, 51a, 71a- upper horizontal plane, 51b, 71b- lower horizontal plane, the chevron shaped opening of 51d, 71d-, 51e, 71e- centre bolt Hole, 53,73- airflow filtering passage.

5- first order exhaust fume catalytic redox arrangement, 7- third level exhaust fume catalytic redox arrangement, 51, on the left of 71- Circular gratings piece, 52, circular grid sheet on the right side of 72-, 510,710- inside thread hole, 53,73- airflow filtering passage.

6- second level waste gas filters and contacts device, 61- cylindrical housings, 62- circular filter cowling panel, 63- bolt sleeve, 64- carries acclive reinforcement, 65- circular hole, 66a- left side semicircle shape baffle plate, 66b- right side semicircle shape baffle plate, and 67- metal returns Silk, internal thread hole on the left of 69a-, internal thread hole on the right side of 69b-.

8- fourth stage waste gas purification separator, 81a- right upper portion Semicircular baffle cylindrical housings, 82- metal returns Silk, 83- right upper portion Semicircular baffle, 84- inside thread hole A, 84a- left surface a Semicircular baffle, 84b- right flank a semicircle Shape baffle plate, 87- screwed hole of centre, 8a- negative pressure region.

Fig. 9 is the F-F view of Fig. 1, the detailed section view of fourth stage waste gas purification separator；

The outer round casing of 4-, 8- fourth stage waste gas purification separator, 13- half-round metal filter screen, 14- semicircle circular hole Frame plate, 15- export center bolt, the cylindrical housings of 81b- lower right side Semicircular baffle, 82- metal hard waste, on the right side of 85- Lower semicircular shape baffle plate, 86- inside thread hole B, 86a- left surface b Semicircular baffle, 86b- right flank b Semicircular baffle is justified Hole, 88- centre bolt hole, 8a- negative pressure region.

Specific embodiment

Further illustrate apparatus of the present invention with reference to embodiment and its accompanying drawing.

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, described catalytic converter 1, including outer round casing 4, in outer round casing 4 Set gradually exhaust gas inlet pipeline 2 with flange, import tapered pipeline 3, first order exhaust fume catalytic redox arrangement 5, Two grades of waste gas filter contact device 6, third level exhaust fume catalytic redox arrangement 7, fourth stage waste gas purification separator 8, go out Mouth tapered pipeline 16, the waste gas outlet pipeline 17 with flange；Exhaust gas inlet pipeline 2 at outer round casing 4 two ends and waste gas go out On mouth pipeline 17, it is equipped with the inlet channel 18 of backwash and the control valve 19 of outlet conduit 20 and flow of inlet water and goes out current The control valve 21 of amount is connected, and is provided with two bracing frames 23 in outer round casing 4 bottom, all opens on each base plate of bracing frame 23 There are 2 mounting holes 24, outer round casing 4 top is provided with and forms combined by the structure of two circular suspension ring 22.

According to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, described first order exhaust fume catalytic redox arrangement 5 and the third level The inside of exhaust fume catalytic redox arrangement 7, is divided into the circular grid sheet 51,71 in left side and right side circle grid sheet 52,72 conducts One assembly；With left side circle grid sheet 51,71 as single component, its thickness is set between 20～25mm, circular shell Thickness is arranged between 8～12mm, is processed into some chevron shaped grid sheets with C font structure in enclosure interior；Left circles Shape grid sheet 51,71 intersects at 45 ° of a inclined-planes 513,713 with import horizontal plane 511,711, and 45 ° of a inclined-planes 513,713 intersect In upper horizontal plane 51a, 71a or lower horizontal plane 51b, 71b, intersect at again 515,715,45 ° of outer inclined-planes 515 of 45 ° of outer inclined-planes, 715 intersect at outlet horizontal plane 516,716 again and constitute, and intersect at 45 ° of b inclined-planes in import horizontal plane 511,711 on the contrary 514th, 714,45 ° of b inclined-planes 514,714 intersect at again lower horizontal plane 51b, 71b or upper horizontal plane 51a, 71a, towards gas stream Enter rightabout, Open Side Down or formation C font upwards, referred to as C font accumulator tank 517,717, and the prolongation of C font Face is outlet horizontal plane 516,716；It is provided with the thickness that circular grid sheet 52,72 on the right side of another one is monomer and left side circle lattice The thickness of grid 51,71 is identical, right side circle grid sheet 52,72 be single component inside, be also machined to some chevron shaped With C font construction；The circular grid sheet 52,72 in right side intersects at 45 ° of b inclined-planes 524,724 with import horizontal plane 522,722, and 45 ° B inclined-plane 524,724 intersect at again upper horizontal plane 52a, 72a or lower horizontal plane 52b, 72b, flow into towards gas rightabout, Open Side Down or formation C font upwards, referred to as C font accumulator tank 527,727, and the elongated surfaces of C font intersect at out Saliva plane 526,726；Outlet horizontal plane 516,716 and right side circle grid sheet 52,72 with left side circle grid sheet 51,71 Import horizontal plane 521,721 combine, spill feeder 51c, a 71c can be formed；Also has the circular grid sheet 51,71 in left side Upper, be provided with centre bolt hole 51e, the 71e being in center and center line with center inlet horizontal plane 518,718 phases Meet at 45 ° of center inclined-plane 519,719, and 45 ° of center inclined-plane 519,719 and both sides outerplanar are crossed to form chevron shaped opening 51d、71d；The case inside of the circular grid sheet in left side 51,71 and right side circle grid sheet 52,72 all on same center line, Be provided with 4 be in all angularly and be inner side bolt hole 510 on same circle, between a size of 18～22mm, 710, 520、720；Left side circle grid sheet 51,71 with the same center line of right side circle grid sheet 52,72 are provided with one The heart bolt hole 51e, 71e, 52e, 72e, the size of centre bolt hole 51e, 71e, 52e, 72e is between 18～22mm；In left side On centre bolt hole 51e, 71e of circular gratings piece 51,71 and chevron shaped opening 51d, 71d and right side circle grid sheet 52,72 It is arranged in centre bolt hole 52e, 72e of center and chevron shaped opening 52d, 72d are mutually corresponded to, right side is circular The both sides outerplanar of chevron shaped opening 52d, 72d of grid sheet 52,72 and 45 ° of center inclined-plane 529,729 intersect, center 45 ° of inclined-planes 529,729 again with outlet horizontal plane 528,728 with intersect, the circular grid sheet 51 in left side, 71 chevron shaped opening 51d, Form the kidney slot of a closing after 71d and right side circular gratings 52,72 chevron shaped opening 52d, 72d are mutually corresponding, be to increase The circular grid sheet in left side 51,71 be connected with each other with right side circular gratings 52,72 after intensity, in this, as 1 and multiple combinations Body, then carry out the arrangement of 6 or more than 6, it is assembled into each a set of first order exhaust fume catalytic redox arrangement 5 and Three-level exhaust fume catalytic redox arrangement 7.

According to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, described first order exhaust fume catalytic redox arrangement 5 and the third level Inside exhaust fume catalytic redox arrangement 7, it is provided with identical airflow filtering passage 53,73, the plate of its airflow filtering passage 53,73 Wall thickness is set between 5～8mm, and between the wooden partition of airflow filtering passage 53,73, maximum spacing is set to 40～45mm, gas Between the minimum of stream filtration channel 53,73 interior two upper horizontal planes 51a, 71a, 52a, 72a and lower horizontal plane 51b, 71b, 52b, 72b Away from being set between 12～15mm；Horizontal center line with the circular grid sheet 52,72 in left side circle grid sheet 51,71 and right side is The axis of symmetry, top is set to symmetrical airflow filtering passage 53,73 with the airflow filtering passage 53,73 of bottom；Each air-flow It is equipped with equidistant reinforcement 512,712,522,722, its reinforcement 512,712,522,722 between filtration channel 53,73 Thickness be set between 5～8mm, and the depth of reinforcement 512,712,522,722 is set between 15～20mm, between C Font accumulator tank 517,717,527,727 top of supply line；And the distance between reinforcement 512,712,522,722 is sized to 50～55mm；Circular to left side circle grid sheet 51,71 and right side grid sheet 52,72 is processed into or is cast as one similar In the form of porous honeycomb, with the circular gratings piece of 1 assembly and another 1 assembly, handed over plural number and cross After the arrangement assembling of fork-shaped formula, the quantity of its airflow filtering passage 53,73 can double.

According to Fig. 1, Fig. 2, Fig. 7, described second level waste gas filters and is provided with as cylindrical housings inside contact device 6 61, its thickness is set between 8～12mm, is provided with 4 and is in all angularly on two sides of inner circle of cylindrical housings 61 , protrude left side semicircle shape baffle plate 66a and right side semicircle shape baffle plate 66b, its left side semicircle shape baffle plate 66a and right side semicircle shape The thickness of baffle plate 66b is set between 15～20mm, same in left side semicircle shape baffle plate 66a and right side semicircle shape baffle plate 66b On the center line of individual circle, it is provided with 4 and is in all equal angular left side internal thread hole 69a and right side internal thread hole 69b, screwed hole Internal diameter is set between M16～M20mm；In the centre position of cylindrical housings 61, it is provided with equal circular hole 65 diameter, spacing again It is in the circular filter cowling panel 62 of the impartial arrangement of distance between the circular hole 65 of equivalent arrangements, the thickness of circular filter cowling panel 62 It is set between 10～12mm, and circular hole 65 diameter of circular filter cowling panel 62 is set between 15～20mm, circular filter The wall thickness between circular hole 65 on cowling panel 62 is set between 6～10mm；In circular filter cowling panel 12 center It is provided with centre bolt hole 68, on the center of left and right sides plane, be provided with the bolt running through centre bolt hole 68 Sleeve pipe 63 and configuration 4 be in all angularly, carry acclive reinforcement 64 and 4 kidney-shaped semicircle orifices, its center bolt hole 68 aperture size is set between 18～22mm, and the external diameter of bolt sleeve 63 is set to 30mm, and internal diameter is set to 18～22mm Between；Acclive reinforcement 64 thickness is carried to be set between 6～8mm, its gradient is set to 1/10mm, highly it is set to 10～ Between 20mm；One end with acclive reinforcement 64 is used for the cylindrical intersecting of bolt sleeve 63 and to stick on circular filter whole Stream plate 62 on be welded and fixed, other end intersect at 4 kidney-shaped semicircle orifices of circular filter cowling panel 62 cylindrical on give To be welded and fixed；Then circular filter cowling panel 62 excircle orientation is carried out being welded admittedly in cylindrical housings 61 inner circle Fixed；Become metal hard waste 67 to constitute several pelletizing shapes as filtering contact carrier with stainless steel material chip, be arranged on cylinder Between circular filter cowling panel 62 left and right sides space in housing 61；The single thickness chip of its metal hard waste 67 becomes 0.4 Between～0.6mm, width be 4～8mm between, second level waste gas filter contact device 6 thickness be set to 200～250mm it Between, its carrier surface is required to coated noble metal three-way catalyst, a set of second level waste gas is combined into this and filters contact Device 6.

According to Fig. 1, Fig. 2, Fig. 8, Fig. 9, the inside of affiliated fourth stage waste gas purification separator 8, it is respectively equipped with Right upper portion Semicircular baffle cylindrical housings 81a and lower right side Semicircular baffle cylindrical housings 81b, its length is set to Between 200～220mm, thickness is set between 8～12mm；On the left surface of two cylindrical housings inner circles, it is respectively equipped with 4 Individual be in all equal angular, protrude left surface a Semicircular baffle 84a and left surface b Semicircular baffle 86a, its thickness arrange Between 12～16mm, at the same center of the left surface a Semicircular baffle 84a protruding and left surface b Semicircular baffle 86a On line, it is provided with 4 and is in all equal angular inner side bolt hole A84 and inner side bolt hole B86, the aperture of its bolt hole is set to 18 Between～22mm；The depth of right upper portion Semicircular baffle 83 exceedes center line and is sized between 36～40mm, its thickness It is set between 12～16mm；On the center line of right upper portion Semicircular baffle 83, it is provided with a screwed hole of centre 87, center The diameter of screwed hole 87 is set between M16～M20mm；In the downside of right upper portion Semicircular baffle 83 opening portion, it is provided with 1 On horizontal center line, inside cylindrical housings, the right flank a Semicircular baffle 84b of protrusion, its thickness is set to 12 Between～16mm；Be provided with 3 center lines in same circle in right upper portion Semicircular baffle 83, wherein 1 be vertical On horizontal center line, the top of cylindrical housings inner circle side, and other 2 are separately positioned on horizontal center line, circular cylindrical shell The inner side bolt hole 84 of the left and right sides justified in vivo, its aperture is set between 18～22mm；Lower right side Semicircular baffle 85 Depth exceed center line and be sized between 36～40mm, its thickness is set between 12～16mm；In lower right side half The center line of circular baffle plate 85 is provided with a centre bolt hole 88, and its bolt aperture is set between 18～22mm；On right side The upside of lower semicircular shape baffle plate 85 opening portion, be provided with 1 on horizontal center line, cylindrical housings inner circle side, The right flank b Semicircular baffle 86b protruding, its thickness is set between 12～16mm；On lower right side Semicircular baffle 85, Be provided with 3 center lines in same circle, wherein 1 be on horizontal center line, cylindrical housings inner circle side Lower section, and other 2 are separately positioned on horizontal center line, the inner side bolt hole 86 of the cylindrical housings inner circle left and right sides, its hole Footpath is set between 18～22mm；In right upper portion Semicircular baffle cylindrical housings 81a and lower right side Semicircular baffle circle Between space in cylindrical shell 81b, several pelletizing shapes that configuration metal hard waste 82 is constituted；In lower right side Semicircular baffle It is simply that at waste gas outlet, being provided with half-round metal filter screen 13 and be used for protecting several of metal hard waste 82 composition at 85 opening Pelletizing, the depth of its half-round metal filter screen 13 exceedes center line and is sized between 36～40mm, half-round metal filter screen 13 outside diameter, is set smaller than between the 3～4mm of cylindrical housings outside diameter of lower right side Semicircular baffle 85, The filter screen mesh of half-round metal filter screen 13 is sized between 10～12 mesh；Setting one carries semicircle circular hole frame plate 14 For fixing half-round metal filter screen 13 in device, the thickness of semicircle circular hole frame plate 14 is arranged between 4～5mm, and half The aperture setting of circular circular hole is identical with the opening size of lower right side Semicircular baffle 85；Its semicircle circular hole frame plate 14 Depth exceedes center line and is sized between 36～40mm；It is provided with 3 in semicircle circular hole frame plate 14 in same circle On center line, wherein 1 on horizontal center line, above semicircle circular hole frame plate 14, and other 2 difference It is arranged on the inner side bolt hole 86 on the horizontal center line of semicircle circular hole frame plate 14, in the left and right sides, its aperture is set to Between 18～22mm, fourth stage waste gas purification separator 8 is assembled into this；

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, the positioning of described waste gas purification apparatus 1 And fastening means, in the entrance of waste gas, using 4 left side inner bolts 11 and first order exhaust fume catalytic redox arrangement 5 Inner side bolt hole 510,520, second level waste gas filters on the left surface of contact device 6, after 4 left side internal thread hole 69a insertions It is connected and is fixed, be set between M16～M20mm in the diameter of thread of left side inner bolt 11 tip part；In waste gas Import center position, with the centre bolt hole of 1 import centre bolt 9 and first order exhaust fume catalytic redox arrangement 5 51e, 52e, second level waste gas filter centre bolt hole 68 and the third level exhaust fume catalytic redox arrangement 7 of contact device 6 71e, 72e insertion of centre bolt hole after, be attached being fixed with centralized positioning nut 10, and import centre bolt 9 be first The diameter of thread of end part and nut internal diameter are set between M16～M20mm；Equally at the waste gas outlet of opposite location, Be with 4 right side inner bolts 12 run through fourth stage waste gas purification separator 8 inner side bolt hole 86,84, third level waste gas The inner side bolt hole 720,710 of catalytic oxidation-reduction device 7 and second level waste gas filter on contact device 6 right flank, 4 right sides It is connected after the 69b of inside thread hole and is fixed, the diameter of thread of right side inner bolt 12 tip part is set to M16～M20mm Between；In the centre of waste gas outlet, with the right side of 1 export center bolt 15 and fourth stage waste gas purification separator 8 It is connected after screwed hole of centre 87 insertion of lower semicircular shape baffle plate 85 centre bolt hole 88 and right upper portion Semicircular baffle 83 Fixed after connecing, the diameter of thread of its export center bolt 15 tip part is also arranged between M16～M20mm, with this Be assembled into a set of can to waste gas implement catalytic oxidation-reduction, filter and the purifier contacting, separate and purifying.

The operation principle that apparatus of the present invention are implemented is：To middle-size and small-size high speed high-power marine Diesel engine, due to Imperfect combustion reason discharged containing hydrocarbon, carbon monoxide, oxynitrides, dust, noise waste gas, play by Implement stable separation, effectively purify and reach the work that noise reduction and noise reduction are processed while catalytic oxidation-reduction and to dust, noise As principle it is：Waste gas under high temperature and high pressure condition, by with diesel engine exhaust interconnective exhaust gas inlet pipeline 2, enter the technological measure that decompression implemented by import tapered pipeline 3 to gases at high pressure, via first order exhaust fume catalytic redox dress Put in 5, be made up of particular geometry, the left side circle grid sheet 51 of coated noble metal three-way catalyst and right side from the teeth outwards Circular gratings piece 52 as carrier, in this, as 1 and multiple assemblys, then carries out 6 or more than 6 and arranges, be arranged in The gas filtration passage 53 of some, is not only gas to be carried out shunt detached processing it is therefore an objective to waste gas and on surface Upper coated noble metal three-way catalyst as carrier, implement large area and and contact for a long time so that contain hydrocarbon, one The waste gas of carbonoxide plays catalytic oxidation and becomes carbon dioxide and moisture, and oxynitrides reduction reaction becomes nitrogen and oxygen Treatment effect, recycles the adsorption capacity to dust for the moisture；Gas filtration passage 53 is by left side circle grid sheet 51 He Inside the circular grid sheet 52 in right side, be processed into some with chevron shaped construction, along inflow direction import horizontal plane 511,521, 45 ° of a inclined-planes 513,523, upper horizontal plane 51a, 52a or lower horizontal plane 51b, 52b, 45 ° of outer inclined-planes 515,525 and intersect at Outlet horizontal plane 516,526 and triangle convex surface；Be in reverse side 511,521,45 ° of b inclined-planes 514 of import horizontal plane, 524th, intersect at again lower horizontal plane 51b, 52b or upper horizontal plane 51a, 52a towards gas flow into rightabout, Open Side Down or Person's C font accumulator tank 517,527 upwards is connected with each other, and forms triangle convex surface and groove, referred to as C font accumulator tank 517th, 527 and matrix feeder 51c, 52c, also to centre bolt hole 51e, the 52e being in center and center inlet water Plane 518,528,45 ° of center inclined-plane 519,529 and both sides outerplanar and chevron shaped opening 51d, 52d are again mutually corresponding, open Be combined into matrix feeder 51c upwards, 52c, the airflow filtering passage 53 of particular geometry construction mouthful downwards or with this； Flow through in gas filtration passage 53 when waste gas, C font accumulator tank 517,527 and matrix feeder 51c, 52c and be combined into special There is inertia conflict during the wooden partition contact of geometric configuration, can C font accumulator tank 517,527 and matrix feeder 51c, After the inside and outside of 52c can form respectively one strong backflow vortex, create centrifugal force and effective negative pressure region 5a； Waste gas under the influence of centrifugal force, is nebulized moisture by catalytic oxidation containing hydrocarbon, carbon monoxide, water adsorption Define drop containing dust in waste gas, and drop along gas filtration passage 53 inner panel wall, by level flow into useless 517,527 and 12 matrixs of 12 C font accumulator tanks that gas is pushed into and is in diverse location, flows into rightabout opening towards gas In negative pressure region 5a inside and outside feeder 51c, 52c；At this moment 517,527 and 12 matrix feeders of 12 C font accumulator tanks In 24 effective negative pressure region 5a inside and outside 51c, 52c, institute's drop containing dust of damming or being recovered to, by itself weight Amount, the wooden partition in the effective negative pressure region 5a along inside and outside C font accumulator tank 517,527 and matrix feeder 51c, 52c, generation Settle or be stored；Be arranged on C font accumulator tank 517,527 on airflow filtering passage 53 and matrix feeder 51c, 52c, carrying out noise reduction processing method to the noise containing in waste gas is, using the sound wave of noise, in the gas mistake of geometric form construction In filter passage 53 wooden partition, the effect of a sound wave retroeflection and bounce-back can be played so that being flowed in airflow filtering passage 53 high While the noise of middle bass can little by little be weakened, noise reduction and erasure effect are reached, its noise reduction capability can reach 23 points More than shellfish；But also can leave and be flowed in the waste gas filtration contact device 6 of the second level without the waste gas that catalysis oxidation aoxidized, Waste gas is implemented with catalytic oxidation-reduction again, filters the process of contact, isolation of purified.

Second level waste gas filters the inside of contact device 6, is provided with circular hole 65 diameter equalization and is arranged in circular filter rectification The metal hard waste 67 being become with the stainless steel material chip in the left and right sides on plate 62 is constituted several pelletizing shapes and contacts as filtering Carrier and the noble metal three-way catalyst being coated on its carrier surface are implemented large-area contact and are filtered；Allow waste gas and all Deng circular hole 63 diameter be in the circular filter cowling panel 62 of spacing equivalent arrangements and the stainless steel material chip of the left and right sides again The metal hard waste 67 becoming constitutes several pelletizing shapes to carry out filtering contact, the circular hole 63 on circular filter cowling panel 62, equal Diameter, spacing are in wall thickness gap between the circular hole 65 of equivalent arrangements again, namely at the back side in exhaust gas contact face, can be formed 1 effective negative pressure region 6a；Dust can be collected in effective negative pressure region 6a again, allow waste gas to get back and further locate Reason.

Waste gas in first order exhaust fume catalytic redox arrangement 5, obtains the net of catalytic oxidation-reduction after over commutation After change is processed, it is flowed into and filters in contact device 6 in second level waste gas, in the left and right sides of circular filter cowling panel 62, arrange Metal hard waste 67 constitutes several pelletizing shapes as filtering contact carrier, is that to allow the waste gas of inflow to constitute in metal hard waste 67 some Play an action of turbulent flow in individual pelletizing shape, and carry out bounce-back backflow after the contact with circular filter cowling panel 62, using continuous The waste gas flowing into, in the form of younger generation excels the older generation, allows waste gas to receive in the case that rear pressure promotes so that waste gas exists After obtaining rectification in each circular hole 65 of circular filter cowling panel 62 and constitute in several pelletizing shapes in metal hard waste 67 and play One turbulent technological process, allows the waste gas after producing turbulent flow to promote to carry out the catalytic oxidation-reduction of eclipsed form in carrier, to have Depth has the surface area contact of range to filter again, repeatedly waste gas is separated and the process being purified.

The planform phase of third level exhaust fume catalytic redox arrangement 7 and first order exhaust fume catalytic redox arrangement 5 With, be made up of particular geometry, the left side circle grid sheet 71 and right side of coated noble metal three-way catalyst from the teeth outwards Circular gratings piece 72 as carrier, in this, as 1 and multiple assemblys, then carries out 6 or more than 6 and is arranged in some Gas filtration passage 73 in, gas is carried out shunt and detached processes it is therefore an objective to waste gas and coated noble metal from the teeth outwards Three-way catalyst as carrier, implement large area and contact for a long time so that the waste gas containing hydrocarbon, carbon monoxide Play catalytic oxidation and become carbon dioxide and moisture, oxynitrides reduction reaction becomes the treatment effect of nitrogen and oxygen, then Using the adsorption capacity to dust for the moisture；Gas filtration passage 73 is by left side circle grid sheet 71 and right side circular gratings Inside piece 72, be processed into some with chevron shaped construction, along 711,721,45 ° of a inclined-planes 713 of inflow direction import horizontal plane, 723rd, upper horizontal plane 71a, 72a or lower horizontal plane 71b, 72b, 45 ° of outer inclined-planes 715,725 and intersect at outlet horizontal plane 716th, 726 and triangle convex surface；Be in reverse side 711,721,45 ° of b inclined-planes of import horizontal plane 714,724, intersect at again Lower horizontal plane 71b, 72b or upper horizontal plane 71a, 72a flow into rightabout towards gas, Open Side Down or C word upwards Type accumulator tank 717,727 is connected with each other, and forms triangle convex surface and groove, referred to as C font accumulator tank 717,727 and matrix Feeder 71c, 72c, also to centre bolt hole 71e, the 72e being in center and center inlet horizontal plane 718,728, in At the heart, 45 ° of inclined-planes 719,729 and both sides outerplanar and chevron shaped opening 71d, 72d are again mutually corresponding, Open Side Down or upwards Matrix feeder 71c, 72c, be combined into this particular geometry construction airflow filtering passage 73；When waste gas gas coming through In filtration channel 73, C font accumulator tank 717,727 and matrix feeder 71c, 72c and be combined into particular geometry construction There is inertia conflict during wooden partition contact, can be permissible in the inside and outside of C font accumulator tank 717,727 and matrix feeder 71c, 72c After form respectively one strong backflow vortex, create centrifugal force and effective negative pressure region 7a；Waste gas is in centrifugal force Under effect, nebulized moisture by catalytic oxidation containing hydrocarbon, carbon monoxide, in water adsorption waste gas, contain powder Dirt and define drop, and drop along gas filtration passage 73 inner panel wall, the waste gas that flowed into by level is pushed into and is in not Same position, 12 C font accumulator tanks 717,727 and 12 matrixs feeder 71c, 72c towards gas inflow rightabout opening In inside and outside negative pressure region 7a；At this moment 24 inside and outside 717,727 and 12 matrixs feeder 71c, 72c of 12 C font accumulator tanks The drop containing dust that effective negative pressure region 7a is interior, institute dams or is recovered to, by own wt, returns along C font Receive the wooden partition in effective negative pressure region 7a inside and outside groove 717,727 and matrix feeder 71c, 72c, sedimentation occur or is stored Get off；It is arranged on the C font accumulator tank 717,727 on airflow filtering passage 73 and matrix feeder 71c, 72c, contain in waste gas Some noises carry out noise reduction processing method, using the sound wave of noise, in gas filtration passage 73 wooden partition of geometric form construction, The effect that a sound wave retroeflection can be played with bounce-back is so that be flowed into the noise meeting of senior middle school's bass in airflow filtering passage 73 While being little by little weakened, noise reduction and erasure effect are reached, its noise reduction capability can reach more than 23 decibels；Then also can stay Have and be flowed in fourth stage waste gas filtration contact device 8 without the waste gas that catalytic oxidation-reduction is crossed, waste gas obtains further Process.

Inside fourth stage waste gas purification separator 8, it is respectively equipped with right upper portion Semicircular baffle 83 and lower right side Semicircular baffle 85, the metal hard waste 82 that the stainless steel material chip being provided with two sections of gaps becomes constitutes several pelletizings Shape；Inside right upper portion Semicircular baffle cylindrical housings 81a and lower right side Semicircular baffle cylindrical housings 81b, point Not She Zhi metal hard waste 82 constitute several pelletizing shapes as filter contact carrier, be allow inflow waste gas in metal hard waste 82 structure Becoming to play in several pelletizing shapes rebounds toward dirty after a turbulent flow, waste gas and right upper portion Semicircular baffle 83 come in contact, Play a turbulent flow, waste gas not only but also occur with lower right side Semicircular baffle 85 in metal hard waste 82 several pelletizing shapes of composition Rebound after contact toward the technological process at upstream, allow the waste gas after producing turbulent flow be also the catalysis oxidation implementing eclipsed form in carrier Reduce, further have depth to have the surface area contact of range to filter again, repetitive waste gas is separated and the place being purified Reason.

When waste gas pass through fourth stage waste gas purification separator 8 inside, namely import and export two sections, be arranged on right side on The metal hard waste 82 that portion's Semicircular baffle 83 becomes with the stainless steel material chip of the semicircle gear 85 of lower right side constitutes several balls During the contact filtration of bulk, waste gas be subject to right upper portion Semicircular baffle 83 and lower right side Semicircular baffle 85 stop, with And metal hard waste 82 constitutes the filtration contact of several pelletizing shapes, after waste gas flows downward out and towards flowing up, on right side 2 effective negative pressure regions can be formed in the back side void area of portion's Semicircular baffle 83 and lower right side Semicircular baffle 85 8a；At waste gas outlet, the outlet pressure of waste gas can increase, and several pelletizings that metal hard waste 82 is constituted are shifted onto outside device Going, being provided with half-round metal filter screen 13 and semicircle circular hole frame plate 14 it is simply that being used for protecting some of metal hard waste 82 composition Individual pelletizing；So to containing pernicious gas, dust, noise waste gas be again carried out catalytic oxidation-reduction, filter contact it is possible to Fully obtained the waste gas after isolation of purified and noise reduction process, flow through outlet tapered pipeline 16 be pressurized after, along waste gas Outlet conduit 17 outwards discharges.

Described catalytic converter 1, on the exhaust gas inlet pipeline 2 and waste gas outlet pipeline 17 at outer round casing 4 two ends, all It is provided with inlet channel 18 and outlet conduit 20 and flow of inlet water control valve 19 and the water flow control valve 19 of backwash It is connected；Purpose is using the inside of water under high pressure or urea liquid cleaning and removal catalytic converter 1, through right after a while After catalysis reduction, separation and the purification of waste gas, deposition is in first order exhaust fume catalytic redox arrangement 5 and third level waste gas In the gas filtration passage 53,73 of catalytic oxidation-reduction device, in 48 effective negative pressure region 5a, 7a, also have in the second level Waste gas filters the space at interval and gas interface between the circular hole 65 of circular filter cowling panel 62 being provided with contact device 6 The back side at, in fourth stage waste gas purification separator 8, to be provided with right upper portion Semicircular baffle 83 and lower right side semicircle Dust in void area between baffle plate 85 back side, in 3 effective negative pressure region 6a, 8a, to prevent dust in each gas Cause the blocking piled up and produce for a long time in body filtration channel 53,73, and the purification of whole catalytic converter 1 may be affected Treatment effect so that catalytic converter 1 can keep well ventilating with treatment effect outside, also maintenance management and extend its longevity The effect of life.

Due to containing hydrocarbon, carbon monoxide, oxynitrides, dust in the waste gas of diesel engine emissions, making an uproar Sound, stream filters contact device 6, third level exhaust fume catalytic oxygen through first order exhaust fume catalytic redox arrangement 5, second level waste gas Change reduction apparatus 7, obtain quadric catalysis oxidation and reduction in fourth stage waste gas purification separator 8, filter and contact, separate and The process purifying, waste gas be only merely possible to be split separate after adsorption of dust and trapping, the object collected and process, its powder Dirt constructs gas filtration passage 5a, 7a, the metal hard waste 67 being become with stainless steel material chip, 82 structures without producing to geometric form Become several pelletizing shapes as caused clogging in filtration contact carrier；When waste gas flows through first order catalytic oxidation-reduction When device is contacted with the gas filtration passage 53,73 in third level exhaust fume catalytic redox arrangement, waste gas and gas mistake There is inertia conflict, gas and first order exhaust fume catalytic redox arrangement 5 and the 3rd in the wooden partition in filter passage 53,73 when contacting Level exhaust fume catalytic redox arrangement 7 is interior, 24 C font accumulator tanks 517,527,717,727 and 24 that are being in diverse location 48 of matrix feeder 51c, 52c, 71c, 72c effective negative pressure region 5a, 7a, to waste gas implement catalytic oxidation and Reduction reaction becomes moisture, using water adsorption dust principle, then dust is implemented to separate and purified treatment；Waste gas flows through second Level waste gas filters circular hole 65 diameter being provided with circular filter cowling panel 62, impartial in contact device 6 and is in equivalent arrangements circle again Gap between the wall thickness of hole 65, it is exactly at waste gas and the back side of gas interface, in fourth stage waste gas purification separator 8 Be provided with the void area between right upper portion Semicircular baffle 83 and lower right side Semicircular baffle 85 back side Nei, 3 effectively Negative pressure region 6a, 8a in, to waste gas implement eclipsed form catalytic oxidation-reduction, have depth to have the surface area contact mistake of range again Filter, is repeatedly separated to waste gas with the effect being purified it is possible to fully be separated and purified treatment；It is arranged on air-flow C font accumulator tank 517,527,717,727 on filtration channel 5a, 7a and matrix feeder 51c, 52c, 71c, 72c, to waste gas In the noise that contains carry out noise reduction processing method and be, using the sound wave of noise, in the gas filtration passage wooden partition of geometric form construction In 5a, 7a, the effect that can play a sound wave retroeflection with bounce-back is so that be flowed into high, normal, basic in airflow filtering passage 5a, 7a While the noise of audio frequency can little by little be weakened, reach the purpose of noise reduction and noise reduction；So to containing hydrocarbon, one Carbonoxide, oxynitrides, dust, the waste gas of noise, its catalytic oxidation-reduction efficiency can reach more than 95%, to dust The removal effect of more than PM2.5 reaches more than 90%, and total effect of its noise reduction and noise reduction can reach more than 45 decibels；

The obvious technical effects of the present invention, structure is simple, compact and reasonable；By high pressure exhaust gas are implemented with step-down and shunting point From technological measure, make noble metal three-way catalyst that hydrocarbon, carbon monoxide are played catalysis oxidation under worst hot case React into moisture, oxynitrides reduction reaction becomes nitrogen and the discharge of the innocuous gas of oxygen, play moisture to adsorbing powder dust and Using the principle of centrifugal force and negative pressure region 5a, 6a, 7a, 8a, dust is implemented with a kind of effective stable separation, highly net Change, and allow noise obtain sound wave retroeflection and rebound effect in structure, play the remarkable advantage of noise reduction and erasure effect.

Claims

1. process middle-size and small-size high speed high output diesel engine, contain in the waste gas being discharged by the imperfect combustion reason of fuel oil There is the catalytic converter of hydrocarbon, carbon monoxide, oxynitrides, dust, noise, including by outer round casing, cylindrical The exhaust gas inlet pipeline with flange is set gradually in housing, import tapered pipeline, first order exhaust fume catalytic redox arrangement, Second level waste gas filters contact device, third level exhaust fume catalytic redox arrangement, fourth stage waste gas purification separator, outlet Tapered pipeline, the waste gas outlet pipeline with flange；Import tapered pipeline is provided with inlet channel, on outlet tapered pipeline It is provided with outlet conduit, flow of inlet water control valve, water flow control valve；It is provided with two circles on outer round casing top to hang Ring, lower housing portion is provided with two bracing frames, forms combined by the structure being provided with 2 mounting holes on the base plate of bracing frame.

2. catalytic converter according to claim 1, is characterized in that：In first order exhaust fume catalytic redox arrangement or It is the inside of third level exhaust fume catalytic redox arrangement, be divided into the circular grid sheet in left side and right side circle grid sheet as one Assembly；With left side circle grid sheet as single component, its thickness is set between 20～25mm, and circular shell thickness is arranged on Between 8～12mm, it is processed into some chevron shaped grid sheets with C font structure in enclosure interior；The circular grid sheet in left side with Import horizontal plane intersects at 45 ° of a inclined-planes and intersects at upper horizontal plane or lower horizontal plane again, intersects at 45 ° of outer inclined-planes again, and 45 ° Outer inclined-plane again intersect at outlet horizontal plane and triangle convex surface；The import horizontal plane being in reverse side intersects at 45 ° of b inclined-planes, 45 ° of b inclined-planes intersect at again lower horizontal plane or upper horizontal plane, flow into rightabout towards gas, Open Side Down or upwards and Form C font, referred to as C font accumulator tank, the elongated surfaces of C font intersect at outlet horizontal plane；With right side circle grid sheet it is Single component, the thickness of setting and left side circle grid sheet and circular shell thickness identical size, also add in enclosure interior Work becomes some chevron shaped grid sheets with C font structure；The circular grid sheet in right side intersects at 45 ° of b inclined-planes with import horizontal plane, And 45 ° of b inclined-planes intersect at upper horizontal plane or lower horizontal plane, flow into rightabout towards gas, Open Side Down or upwards Formation C font, referred to as C font accumulator tank, and the elongated surfaces of C font intersect at outlet horizontal plane；Use left side circular gratings The outlet horizontal plane of piece is combined with the import horizontal plane of right side circle grid sheet, can form a spill feeder；In left side On circular gratings piece, be provided with the centre bolt hole being in center and center line with center inlet horizontal plane intersect at 45 ° of center inclined-plane, and 45 ° of center inclined-plane and both sides outerplanar are crossed to form chevron shaped opening；The circular grid sheet in left side with The case inside of the circular grid sheet in right side, all on same center line, is provided with 4 and is in all angularly and be in same circle Above, the inner side bolt hole between a size of 18～22mm；Left side circle grid sheet and right side circle grid sheet same in On heart line, it is provided with a centre bolt hole, the size in centre bolt hole is between 18～22mm；In the circle grid sheet of left side On heart bolt hole and chevron shaped opening and right side circle grid sheet, setting is in the centre bolt hole of center and chevron shaped opens Mouthful mutually corresponded to, the both sides outerplanar of chevron shaped opening and 45 ° of inclined-planes intersect, 45 ° of inclined-planes again with outlet horizontal plane and phase Hand over, the chevron shaped opening of left side circle grid sheet and right side circle grid sheet mutually corresponds to and forms a kidney slot closed, Be in order to improve left side with right side be connected with each other after compressive strength, in this, as 1 assembly, then carry out 6 or 6 with On arrangement, be assembled into first order exhaust fume catalytic redox arrangement or third level exhaust fume catalytic redox arrangement.

3. catalytic converter according to claim 1, is characterized in that：Described first order exhaust fume catalytic redox arrangement Or third level exhaust fume catalytic redox arrangement, it is internally provided with identical airflow filtering passage, the thickness of its wooden partition sets It is set between 5～8mm, and between wooden partition and wooden partition, maximum spacing is set to 40～45mm, the upper level in airflow filtering passage Between face and lower horizontal plane, minimum spacing is set between 12～15mm；With left side circle grid sheet and right side circle grid sheet Horizontal center line is the axis of symmetry, and top is set to symmetrically with the airflow filtering passage of bottom；Between airflow filtering passage Be equipped with equidistant reinforcement, its thickness is set between 5～8mm, the depth of reinforcement be set to 15～20mm it Between, between C font accumulator tank top of supply line；And distance is set to 50～55mm between reinforcement；Left side circle grid sheet Be processed into or be cast as a form similar to porous honeycomb with right side circle grid sheet, with 1 assembly with another Individual 1 assembly, after being assembled with the arrangement of plural number and criss-cross fashion, the quantity of its airflow filtering passage can increase by one Times.

4. catalytic converter according to claim 1, is characterized in that：Described second level waste gas filters contact device, It is internally provided with cylindrical housings, thickness of shell is set between 8～12mm, on two sides of cylindrical housings inner circle, It is provided with 4 and be in left side semicircle shape baffle plate that is all equal angular, protruding and right side semicircle shape baffle plate, its thickness is set to 15～ Between 20mm, on the center line of left side semicircle shape baffle plate and the same circle of right side semicircle shape baffle plate, it is provided with 4 and is in equalization The left side internal thread hole of angle and right side internal thread hole, tapped bore is set between M16～M20mm；In cylindrical housings Centre position, is provided with the circular filter cowling panel of the impartial arrangement of distance between circular hole, and its thickness is set between 10～12mm, and The Circularhole diameter of circular filter cowling panel is set between 15～20mm, the wall thickness interval between circular hole on circular filter cowling panel It is set between 6～10mm；Circular filter cowling panel center is provided with centre bolt hole, left in circular filter cowling panel On the center of right two side planes, it is provided with the bolt sleeve that can run through centre bolt hole and configuration 4 is in equal isogonism Degree, the acclive reinforcement of band and 4 kidney-shaped semicircle orifices；Centre bolt hole aperture is set between 18～22mm, bolt sleeve Pipe external diameter is set to 30mm, and internal diameter is set between 18～22mm；Acclive Rib Thickness is carried to be set between 6～8mm, Its gradient is set to 1/10mm, is highly set between 10～20mm；With acclive reinforcement one end and bolt sleeve Cylindrical intersecting, and stick on and be welded and fixed on circular filter cowling panel, other end intersects at circular filter cowling panel 4 Kidney-shaped semicircle orifice cylindrical on be welded and fixed；Again enterprising in cylindrical housings inner circle for circular filter cowling panel excircle orientation Row welding is fixed；Metal hard waste is become to constitute several pelletizing shapes as filtration contact carrier with stainless steel material chip, if Put between the circular filter cowling panel left and right sides space in circular cylindrical shell body；The single thickness chip of its metal hard waste becomes 0.4 Between～0.6mm, width be 4～8mm between；Second level waste gas filter contact device length be set to 200～250mm it Between, its carrier surface is required to coated noble metal three-way catalyst, a set of second level waste gas is combined into this and filters contact Device；Purpose is in the left and right sides of circular filter cowling panel, and setting metal hard waste constitutes several pelletizing shapes and connects as filtration Tactile carrier, allows the waste gas of inflow to constitute in several pelletizing shapes in metal hard waste and plays an action of turbulent flow, and and circular filter Carry out bounce-back backflow after the contact of cowling panel, using the continuous waste gas flowing in the form of younger generation excels the older generation, allow waste gas to be subject to Arrived rear pressure promote lower so that waste gas obtain rectification in each circular hole of circular filter cowling panel after and return in metal A turbulent technological process is played in silk several pelletizing shapes of composition, the waste gas after making generation turbulent, carry out weight in carrier The catalytic oxidation-reduction of stacked, have depth to have surface area contact and the filtration of range again, repeatedly waste gas is carried out separating with net Change is processed.

5. catalytic converter according to claim 1, is characterized in that：Inside fourth stage waste gas purification separator, point It is not provided with right upper portion Semicircular baffle cylindrical housings and lower right side Semicircular baffle cylindrical housings, its length is set to Between 200～220mm, thickness of shell is set between 8～12mm；On the left surface of cylindrical housings inner circle, it is respectively equipped with 4 Individual be in left surface a Semicircular baffle that is all equal angular, protruding and left surface b Semicircular baffle, its plate thickness is set to 12 Between～16mm, on the same center line of the left surface a Semicircular baffle protruding and left surface b Semicircular baffle, it is provided with 4 Individual be in all equal angular inner side bolt hole A and inner side bolt hole B, the aperture of bolt hole is set between 18～22mm；Right side The depth of top Semicircular baffle exceedes center line and is sized between 36～40mm, and its Weir Plate Thickness is set to 12～16mm Between；1 screwed hole of centre is provided with the center line of right upper portion Semicircular baffle, its aperture be set to M16～M20mm it Between；In the downside of right upper portion Semicircular baffle opening portion, it is provided with 1 on horizontal center line, in circular cylindrical shell body Side, the right flank a Semicircular baffle protruding, its plate thickness is set between 12～16mm；Set in right upper portion Semicircular baffle Have on 3 center lines in same circle, wherein 1 be on horizontal center line, cylindrical housings inner circle side upper Side, and other 2 are separately positioned on horizontal center line, the inner side bolt hole of the cylindrical housings inner circle left and right sides, bolt hole Aperture is set between 18～22mm；The depth of lower right side Semicircular baffle exceed center line be sized to 36～40mm it Between, its plate thickness is set between 12～16mm；One centre bolt is provided with the center line of lower right side Semicircular baffle Hole, the aperture of its bolt hole is set between 18～22mm；In the upside of lower right side Semicircular baffle opening portion, it is provided with 1 On horizontal center line, in cylindrical housings inner circle side, protrusion right flank b Semicircular baffle, its thickness is set to Between 12～16mm；On lower right side Semicircular baffle, be provided with 3 center lines in same circle, wherein 1 be hang down Directly on horizontal center line, the lower section of cylindrical housings inner circle side, and other 2 are separately positioned on horizontal center line, cylinder The inner side bolt hole of the housing inner circle left and right sides, the aperture of its bolt hole is set between 18～22mm；In right upper portion semicircle Between space in shape baffle plate cylindrical housings and lower right side Semicircular baffle circular cylindrical shell body, configuration metal hard waste is constituted Several pelletizing shapes；At the opening of lower right side Semicircular baffle it is simply that at waste gas outlet, it is provided with half-round metal filter screen and uses Several pelletizings constituting in protection metal hard waste, the depth of its half-round metal filter screen exceed center line be sized to 36～ Between 40mm, the outside diameter of half-round metal filter screen, the circular cylindrical shell being set smaller than lower right side Semicircular baffle is external Between 3～4mm of circular diameter, the filter screen mesh of half-round metal filter screen is sized between 10～12 mesh；Setting one carries Semicircle circular hole frame plate is used for fixing half-round metal filter screen in device, and the thickness of semicircle circular hole frame plate is arranged on 4 Between～5mm, the aperture setting of semicircle circular hole is identical with the opening size of lower right side Semicircular baffle；The depth of its frame plate Degree exceedes center line and is sized between 36～40mm；It is provided with 3 centers in same circle in semicircle circular hole frame plate On line, wherein 1 on horizontal center line, semicircle circular hole frame plate, above semicircle side, and other 2 points It is not arranged on the inner side bolt hole on the horizontal center line of semicircle circular hole frame plate, in the left and right sides, the aperture of bolt hole sets It is set between 18～22mm, fourth stage waste gas purification separator is assembled into this；Cylindrical in right upper portion Semicircular baffle Housing and the inside of lower right side Semicircular baffle cylindrical housings, are respectively provided with metal hard waste and constitute several pelletizing shape conducts Filter contact carrier in order to allow inflow waste gas metal hard waste constitute play in several pelletizing shapes a turbulent flow, Waste gas rebounds toward dirty after coming in contact with right upper portion Semicircular baffle, and constitutes in several pelletizing shapes in metal hard waste and rise Rebound after coming in contact with lower right side Semicircular baffle to turbulent flow, waste gas toward the technological process configuration at upstream again, allow product In carrier, enforcement multi-catalytic redox, depth have surface area contact and the filtration of range to waste gas after raw turbulent flow again, right Waste gas carries out separating and purified treatment.

6. catalytic converter according to claim 1, is characterized in that：The positioning of waste gas purification apparatus and fastening means, The entrance of waste gas, is filtered with first order exhaust fume catalytic redox arrangement and second level waste gas using 4 left side inner bolts and connects On the left surface of tactile device, it is connected after 4 left side internal thread hole insertions and is fixed, in the diameter of thread of bolt tip part It is set between M16～M20mm；In the import center position of waste gas, with 1 import centre bolt and first order exhaust fume catalytic Redox arrangement filters with second level waste gas and contacts device and the centre bolt hole of third level exhaust fume catalytic redox arrangement After insertion, it is attached being fixed with centralized positioning nut, and the diameter of thread of import centre bolt tip part and nut Internal diameter is set between M16～M20mm；Equally at the waste gas outlet of opposite location, it is also with 4 right side inner bolts and the 4th Level waste gas purification separator filters with third level exhaust fume catalytic redox arrangement and second level waste gas and contacts device right flank Above, it is connected after 4 Right Inboard screwed hole insertions and is fixed, the diameter of thread of right side inner bolt tip part is set to M16 Between～M20mm；In the centre of waste gas outlet, with 1 export center bolt and fourth stage waste gas purification separator Consolidated after being connected after the screwed hole of centre insertion of lower semicircular shape baffle center bolt hole and top Semicircular baffle Fixed, the diameter of thread of its export center bolt tip part is also arranged between M16～M20mm, is assembled into a set of energy with this Enough catalytic oxidation-reduction is implemented to waste gas, filter and the waste gas purification apparatus contacting, separate and purifying.

7. catalytic converter according to claim 1, is characterized in that：Described first order exhaust fume catalytic redox arrangement With the gas filtration passage in third level exhaust fume catalytic redox arrangement, it is to be made up of special geometry, its surface Upper coated noble metal three-way catalyst is as carrier；To containing pernicious gas, dust, noise waste gas, using gas hot pressing make For driving force, reduced pressure after flowing through tapered pipeline, then implemented the shunting to waste gas and separated, via the oxidation of first order exhaust fume catalytic In a gas filtration passage in reduction apparatus or third level exhaust fume catalytic redox arrangement, by circular in left side Grid sheet and right side circle grid sheet inside be processed into some with chevron shaped construction, along inflow direction import horizontal plane, 45 ° A inclined-plane, upper horizontal plane or lower horizontal plane, 45 ° of outer inclined-planes intersect at outlet horizontal plane and triangle convex surface again；It is in The import horizontal plane of reverse side, 45 ° of b inclined-planes, intersect at again lower horizontal plane or upper horizontal plane, flow into towards gas rightabout, Open Side Down or C font accumulator tank upwards is connected with each other, and forms triangle convex surface and groove, and referred to as C font reclaims Groove and matrix feeder, also to the centre bolt hole being in center and center inlet horizontal plane, 45 ° of inclined-planes and both sides outside Plane and chevron shaped opening are again mutually corresponding, Open Side Down or matrix feeder upwards, are combined into special geometry with this Shape design airflow filtering passage；There is inertia conflict when waste gas is flowed into and contacted with airflow filtering channel inner-plate wall, can be in C word Type accumulator tank and the internal and external parts of matrix feeder, can form backflow vortex and the centrifugal force of one strength；Gas is in centrifugal force Under effect, first order exhaust fume catalytic redox arrangement or a gas mistake in third level exhaust fume catalytic redox arrangement Filter passage, can form 24 effective negative pressure regions has that is to say, that can form 48 in the gas filtration passage of a whole piece The negative pressure region of effect；Purpose is the waste gas containing hydrocarbon, carbon monoxide to be played catalytic oxidation become carbon dioxide And moisture, oxynitrides reduction reaction becomes the treatment effect of nitrogen and oxygen, using water adsorption dust principle, forms drop Understand the airflow filtering channel inner-plate wall along C font accumulator tank and matrix feeder, be pushed into each effective negative pressure region Inside carry out piling up, after the sedimentation of dead-weight, the process that reaches dedusting purpose and filtered and purified；It is arranged on geometric form construction C font accumulator tank on airflow filtering passage and matrix feeder, carrying out noise reduction processing method to the noise containing in waste gas is, Using the sound wave of noise, in the gas filtration passage wooden partition of geometric form construction, a sound wave retroeflection and bounce-back can be played Effect is so that while the noise that is flowed into senior middle school's bass in airflow filtering passage can little by little be weakened, reached noise reduction And erasure effect, its noise reduction capability can reach more than 23 decibels.

8. catalytic converter according to claim 1, is characterized in that：Described second level waste gas filters inside contact device The circular filter cowling panel being provided with, as gas rectification passage, is respectively equipped with right side inside fourth stage waste gas purification separator Top Semicircular baffle and lower right side Semicircular baffle；As the exhaust gas flows in, filter in contact device in second level waste gas and set Circularhole diameter on some circular filter cowling panels, impartial is in wall thickness gap between equivalent arrangements circular hole, namely again At the back side of gas and contact surface, 1 effective negative pressure region can be formed；Set respectively in fourth stage waste gas purification separator Have in right upper portion Semicircular baffle and the void area at the lower right side Semicircular baffle back side, each 1 can be formed and effectively bear Intermediate pressure section, so filters the inside of contact device and fourth stage waste gas purification separator in second level waste gas, has 3 effectively Negative pressure region to containing dust waste gas implement separate and purified treatment.

9. catalytic converter according to claim 1, is characterized in that：Including exhaust gas inlet pipeline, import tapered pipeline, outer Round casing, outlet tapered pipeline, the pipe thickness of waste gas outlet pipeline are set between 8～12mm, exhaust gas inlet pipeline and useless Gas outlet conduit is provided with flange, and it is more than 1.0MPa that flange thickness arranges compression capability to be met；In import tapered pipeline, go out On mouth tapered pipeline, it is provided with the inlet channel of backwash and outlet conduit is controlled with flow of inlet water control valve and water flow Valve is connected with each other, and the diameter of inlet channel and outlet conduit is set between 20A～25A, flow of inlet water control valve and going out Water flow control valve door is provided with threaded stop valve or ball valve；Purpose is clear using water under high pressure or urea liquid Wash and remove in the inside of catalytic converter, through after a while to the catalytic oxidation-reduction of waste gas, the separation of dust and purification After process, pile up and be deposited in the gas of first order exhaust fume catalytic redox arrangement and third level exhaust fume catalytic redox arrangement In body filtration channel, in 48 effective negative pressure regions, also filter, in second level waste gas, the circular mistake being provided with contact device Circularhole diameter on filter plate, equal, spacing are in wall thickness gap between the circular hole of equivalent arrangements again, are exactly waste gas and contact surface The back side, be provided with right upper portion Semicircular baffle and lower right side Semicircular baffle in fourth stage waste gas purification separator Dust in void area between the back side, in 3 effective negative pressure regions so that catalytic converter keep good aeration and Outside treatment effect, play maintenance management and the effect extending its life-span；Two bracing frames of cylindrical lower housing portion, base plate thickness It is set between 12～16mm, be set between 9～12mm perpendicular to the gripper shoe of base plate and the thickness of reinforcing plate, left and right two On base plate, each all has 2 mounting holes, and the size dimension in its hole is set between 20～27mm, and length is set to 45～50mm Between, and bracing frame is to play the positioning to catalytic converter and fixing effect；Cylindrical two circles of housing upper are hung Ring, the internal diameter of circular suspension ring is set between 24～30mm, and external diameter is set between 50～60mm, and the effect of circular suspension ring It is integral hoisting and the carrying of catalytic converter；Exhaust gas inlet pipeline with flange, import tapered pipeline and outer round casing phase Connect and carry out welding and fixed, then by first order exhaust fume catalytic redox arrangement, second level waste gas are filtered contact Device, third level exhaust fume catalytic redox arrangement, fourth stage waste gas purification separator are put into as a global facility, After waste gas outlet position positioning is fixing, imports and exports pipeline and be connected with each other with outlet tapered pipeline, waste gas and carry out welding and fixed, One a whole set of catalytic converter is assembled into this.