CN107642403A - A kind of diesel vehicle pull-out type exhaust purifier - Google Patents

Abstract

The invention discloses a kind of diesel vehicle pull-out type exhaust purifier, the oxidation catalyst and particle trapper that are successively set on including cylinder, along flat direction in cylinder, the air inlet end cap and exhaust outlet end cap for being separately positioned on cylinder both ends, wherein, the junction of exhaust outlet end cap and cylinder sets the first anchor ear, and exhaust outlet end cap is fixedly connected with cylinder by the first anchor ear.Make particle trapper dismounting simple by the setting of drawer-type structure, conveniently, particle trapper surface is coated with noble metal, and catalytic oxidation effect is good for maintenance, promotes purification utensil ability high, service life length.

Description

A kind of diesel vehicle pull-out type exhaust purifier

Technical field

The present invention relates to field of exhaust gas purification, and in particular to a kind of diesel vehicle pull-out type exhaust purifier.

Background technology

With the development of society, diesel vehicle have become people life in must can not the vehicles, exhaust gas from diesel vehicle Containing aldehydes such as carbon monoxide, nitrogen oxides, hydrocarbon, sulfur dioxide and soots, harm of these materials to human body is not Say and explain, it is therefore desirable to which tail gas is handled.The detergent power of exhaust gas cleaner of the prior art is poor, and uses To bother, maintenance is inconvenient, and service life is short.

Therefore, prior art also needs to further improve and develop.

The content of the invention

The invention aims to provide a kind of diesel vehicle pull-out type exhaust purifier, it is intended to solve in the prior art, The problem of exhaust gas cleaner detergent power is poor, using trouble, maintenance inconvenience, short life.

Used technical scheme is：A kind of diesel vehicle pull-out type exhaust purifier, including cylinder, along flat direction successively The oxidation catalyst and particle trapper that are arranged in cylinder, the air inlet end cap and exhaust outlet for being separately positioned on cylinder both ends End cap, wherein, the junction of exhaust outlet end cap and cylinder sets the first anchor ear, and exhaust outlet end cap is consolidated with cylinder by the first anchor ear Fixed connection.

Cylinder is made up of two sections of oxidation catalyst outer barrel and particle trapper outer barrel, is set in oxidation catalyst outer barrel For loading the oxidation catalyst inner cylinder of oxidation catalyst, it is provided for loading particle trapper in particle trapper outer barrel Particle trapper inner cylinder.

Oxidation catalyst outer barrel and particle trapper outer barrel junction set the second anchor ear, oxidation catalyst outer barrel and Particle trapper outer barrel is realized by the second anchor ear and connected.

Air inlet end cap sets the 3rd anchor ear with oxidation catalyst outer barrel junction, and air inlet end cap is catalyzed with oxidized form Device outer barrel is realized by the 3rd anchor ear and connected.

The corresponding sides of exhaust outlet end cap and particle trapper outer barrel form the first flanging, micro particle catching along equal outward bending Device inner cylinder outer side edges form the second flanging along outward bending, after particle trapper is loaded into particle trapper inner cylinder, by particulate In trap inner cylinder push-in particle trapper outer barrel, the first flanging is close to and wrapped up by the first anchor ear bind round with the second flanging Firmly.

The corresponding sides of air inlet end cap and oxidation catalyst outer barrel form the 3rd flanging, oxidized form along equal outward bending The outer side edges of catalyst converter inner cylinder form the 4th flanging along outward bending, and oxidation catalyst is loaded into oxidation catalyst inner cylinder Afterwards, in oxidation catalyst inner cylinder push-in oxidation catalyst outer barrel, the 3rd flanging is close to and by the 3rd with the 4th flanging Anchor ear parcel is waled.

First anchor ear, the second anchor ear and the 3rd anchor ear are formed by coupling after two semicircular annular collar plate pairing, two halves annulus Shape hoop plate realizes connection by the fastener of end set.

The nozzle of oxidation catalyst inner cylinder and particle trapper inner cylinder, which goes out, to be separately provided for facilitating the horizontal of pull to hold Bar, horizontal holding rod transverse strands are located on the nozzle of oxidation catalyst inner cylinder and particle trapper inner cylinder, wherein, set in the middle part of horizontal holding rod It is equipped with sheet grip part.

The outward bending of semi-annular shape hoop plate both ends forms mounting ear, is respectively provided with corresponding to two semicircular annular collar plate on mounting ear There is mounting hole, two semicircular annular collar plate is fixedly connected by the bolt being arranged in mounting hole.

One corresponding end of two semicircular annular collar plate realizes and connected that another corresponding end is realized by hasp and connected by bolt, The semi-annular shape hoop plate corresponding end outward bending being bolted forms mounting ear, is provided with mounting ear for matching somebody with somebody with bolt The mounting hole of conjunction.

Beneficial effect：The present invention provides a kind of novel diesel car pull-out type exhaust purifier, passes through setting for drawer-type structure Putting makes particle trapper dismounting simple, and conveniently, particle trapper surface is coated with noble metal, catalytic oxidation effect for maintenance It is good, promote purification utensil ability high, service life length.

Brief description of the drawings

Fig. 1 is the structural representation of diesel vehicle pull-out type exhaust purifier in the specific embodiment of the invention.

Fig. 2 is the cross-sectional view of diesel vehicle pull-out type exhaust purifier in the specific embodiment of the invention.

Fig. 3 is the structure that the anchor ear of diesel vehicle pull-out type exhaust purifier in the specific embodiment of the invention is bolted Schematic diagram.

Fig. 4 is the structure that the anchor ear of diesel vehicle pull-out type exhaust purifier in the specific embodiment of the invention passes through hasp connection Schematic diagram.

Embodiment

To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings The present invention is further described.

As shown in Figure 1 and Figure 2, a kind of diesel vehicle pull-out type exhaust purifier, including cylinder 100, set successively along flat direction Put oxidation catalyst 200 and particle trapper 300, the inlet port for being separately positioned on the both ends of cylinder 100 in cylinder 100 Lid 400 and exhaust outlet end cap 500, wherein, the junction of exhaust outlet end cap 500 and cylinder 100 sets the first anchor ear 600, exhaust Mouth end cap 500 is fixedly connected with cylinder 100 by the first anchor ear 600.

Cylinder 100 is made up of 310 two sections of oxidation catalyst outer barrel 210 and particle trapper outer barrel, oxidation catalyst It is provided for loading the oxidation catalyst inner cylinder 220 of oxidation catalyst 200 in outer barrel 210, in particle trapper outer barrel 310 It is provided for loading the particle trapper inner cylinder 320 of particle trapper 300, outside particle trapper inner cylinder 320 and particle trapper Cylinder 310 is drawer-type structure, and convenient that particle trapper 300 is taken out, particle trapper 300 is coated with noble metal, catalysis oxidation Effect is good, promotes purification utensil ability high, service life length.

Oxidation catalyst outer barrel 210 and the junction of particle trapper outer barrel 310 set the second anchor ear 700, and oxidized form is urged Change device outer barrel 210 and particle trapper outer barrel 310 and connection is realized by the second anchor ear 700.Air inlet end cap 400 is urged with oxidized form Change the junction of device outer barrel 210 and the 3rd anchor ear 800 is set, air inlet end cap 400 passes through the 3rd armful with oxidation catalyst outer barrel 210 Hoop 800 realizes connection.

The corresponding sides of exhaust outlet end cap 500 and particle trapper outer barrel 310 form the first flanging along equal outward bending, micro- The outer side edges of grain trap inner cylinder 320 form the second flanging along outward bending, and particle trapper 300 is loaded into particle trapper After cylinder 320, particle trapper inner cylinder 320 is pushed into particle trapper outer barrel 310, the first flanging is close to the second flanging And waled by the first anchor ear 600 parcel.The corresponding sides of air inlet end cap 400 and oxidation catalyst outer barrel 210 are along equal bent outward Folding forms the 3rd flanging, and the outer side edges of oxidation catalyst inner cylinder form the 4th flanging, oxidized form catalysis along outward bending After device 200 is loaded into oxidation catalyst inner cylinder 220, oxidation catalyst inner cylinder 220 is pushed into oxidation catalyst outer barrel 210 Interior, the 3rd flanging is close to the 4th flanging and waled by the 3rd anchor ear 800 parcel.Oxidation catalyst inner cylinder 220 and micro- The tube port position of grain trap inner cylinder 320 is separately provided for facilitating the horizontal holding rod of pull, and horizontal holding rod transverse strands are located at oxidized form On the nozzle of catalyst converter inner cylinder and particle trapper inner cylinder, wherein, sheet grip part is provided with the middle part of horizontal holding rod, works as micro particle catching , can be by clamping the grip part of horizontal holding rod, by particle trapper 300 and oxygen when device 300 or oxidation catalyst 200 are damaged 200 fast quick-detach of change type catalyst converter is easy to maintenance rapid.

First anchor ear 600, the second anchor ear 700 and the 3rd anchor ear 800 are formed by coupling after two semicircular annular collar plate pairing, Two semicircular annular collar plate realizes connection by the fastener of end set.First anchor ear 600, the second anchor ear 700 and the 3rd anchor ear Ring-type inner liner is provided with 800.The outward bending of semi-annular shape hoop plate both ends forms mounting ear, and two semicircular annular collar plate is corresponding Mounting ear on be provided with mounting hole, two semicircular annular collar plate is fixedly connected by the bolt being arranged in mounting hole.Such as Fig. 3 Shown, a corresponding end of two semicircular annular collar plate is realized by bolt to be connected, as shown in figure 4, another corresponding end is real by hasp Now connect, the semi-annular shape hoop plate corresponding end outward bending being bolted forms mounting ear, is provided with and is used on mounting ear The mounting hole coordinated with bolt., can be by the part of particle trapper 300 when diesel vehicle pull-out type exhaust purifier runs into blocking Individually dismounting, use simple, maintenance convenience.

Specifically, there is oxidation catalyst in oxidation catalyst 200, cleaning principle is：Oxidation catalyst+your gold be coated with The passive regeneration technology of particle trapper 300 of category.When tail gas enters exhaust purifier, oxidation catalyst is first passed around 200, to CO, HC and NO in oxidized tail gas_X, partial particulate can also be carried out while HC and CO discharge is reduced Filter, meanwhile, NO can also be oxidized to NO by oxidation catalyst 200₂, caught so as to improve the temperature of tail gas and particulate can be increased The catalytic activity of the coating of storage 300.Particle trapper 300 is a kind of wall-flow type honeycomb ceramic carrier using cordierite as raw material. The main component contained in the tail gas of emission of diesel engine is carbon soot particles, and particle trapper 300 can effectively intercept carbon soot particles and reach More than 90%, while noble metal is coated with ceramic monolith, intercepted carbon soot particles burn under the catalytic action of noble metal Become CO₂Discharge so that the device can more completely remove the particulate matter of screen pack, realize system passive regeneration.Make diesel oil The detergent power of car pull-out type exhaust purifier greatly improves, and service life also further increases.

It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (10)

1. a kind of diesel vehicle pull-out type exhaust purifier, it is characterised in that be successively set on cylinder including cylinder, along flat direction Interior oxidation catalyst and particle trapper, the air inlet end cap and exhaust outlet end cap that are separately positioned on cylinder both ends, wherein, The junction of the exhaust outlet end cap and cylinder sets the first anchor ear, and the exhaust outlet end cap is fixed with cylinder by the first anchor ear Connection.

2. diesel vehicle pull-out type exhaust purifier according to claim 1, it is characterised in that the cylinder is urged by oxidized form Change two sections of compositions of device outer barrel and particle trapper outer barrel, be provided for loading oxidation catalyst in oxidation catalyst outer barrel Oxidation catalyst inner cylinder, it is provided for loading the particle trapper inner cylinder of particle trapper in particle trapper outer barrel.

3. diesel vehicle pull-out type exhaust purifier according to claim 2, it is characterised in that outside the oxidation catalyst Cylinder and particle trapper outer barrel junction set the second shroud ring, and the oxidation catalyst outer barrel and particle trapper outer barrel pass through Second anchor ear realizes connection.

4. diesel vehicle pull-out type exhaust purifier according to claim 3, it is characterised in that the air inlet end cap and oxygen Change type catalyst converter outer barrel junction sets the 3rd anchor ear, and the air inlet end cap passes through the 3rd anchor ear with oxidation catalyst outer barrel Realize connection.

5. diesel vehicle pull-out type exhaust purifier according to claim 4, it is characterised in that the exhaust outlet end cap with it is micro- The corresponding sides of grain trap outer barrel form the first flanging along equal outward bending, and the particle trapper inner cylinder outer side edges are along outwards The second flanging is bent to form, after particle trapper is loaded into particle trapper inner cylinder, particle trapper inner cylinder is pushed into particulate In trap outer barrel, the first flanging is close to the second flanging and waled by the first anchor ear parcel.

6. diesel vehicle pull-out type exhaust purifier according to claim 4, it is characterised in that the air inlet gas port end cap with The corresponding sides of oxidation catalyst outer barrel form the 3rd flanging, the outside of the oxidation catalyst inner cylinder along equal outward bending Edge outward bending forms the 4th flanging, after oxidation catalyst is loaded into oxidation catalyst inner cylinder, oxidation catalyst In inner cylinder push-in oxidation catalyst outer barrel, the 3rd flanging is close to the 4th flanging and waled by the 3rd anchor ear parcel.

7. diesel vehicle pull-out type exhaust purifier according to claim 4, it is characterised in that first anchor ear, second Anchor ear and the 3rd anchor ear are formed by coupling after two semicircular annular collar plate pairing, and two semicircular annular collar plate passes through the tight of end set Firmware realizes connection.

8. diesel vehicle pull-out type exhaust purifier according to claim 5, it is characterised in that in the oxidation catalyst The tube port position of cylinder and particle trapper inner cylinder is separately provided for facilitating the horizontal holding rod of pull, and the horizontal holding rod transverse strands are located at On the nozzle of oxidation catalyst inner cylinder and particle trapper inner cylinder, wherein, it is provided with sheet grip part in the middle part of the horizontal holding rod.

9. diesel vehicle pull-out type exhaust purifier according to claim 7, it is characterised in that semi-annular shape hoop plate both ends to Mounting ear is bent to form outside, is provided with mounting hole corresponding to two semicircular annular collar plate on mounting ear, two semicircular annular collar plate leads to The bolt being arranged in mounting hole is crossed to be fixedly connected.

10. diesel vehicle pull-out type exhaust purifier according to claim 7, it is characterised in that two semicircular annular collar plate One corresponding end realizes and connected that another corresponding end is realized by hasp and connected, the semi-annular shape hoop being bolted by bolt The outward bending of plate corresponding end forms mounting ear, and the mounting hole for coordinating with bolt is provided with mounting ear.