CN205532793U - Exhaust purification's absorption is original mounting still - Google Patents

Abstract

The utility model belongs to the technical field of the exhaust gas purification device technique and specifically relates to an exhaust purification's absorption is original mounting still, including the main casing body, main casing sinistron side welded fastening is connected with the connecting pipe that admits air that is used for connecting petrol engine waste gas outlet duct, and main casing body right side welded fastening has tail gas discharge pipe. The utility model discloses an exhaust purification's absorption is original mounting still passes through the division board and becomes a plurality of independent inner chambers with main casing body internal partitioning, at inside detachable ternary catalytic converter and the absorption reduction catalytic converter of installing respectively of the independent inner chamber of difference, and set up the loading and unloading groove that both sides have opening and extrusion locating lever on the division board, come the extrusion locating lever fixedly with absorption reduction catalytic converter joint with ternary catalytic converter through inserting metal amortization filter equipment, promote installation firmness and stability greatly, promote and filter, purify and noise cancelling effect, the later stage maintenance cost is reduced with the maintenance degree of difficulty.

Description

A kind of absorbing and reducing device of exhaust gas purification

Technical field

This utility model relates to waste gas purification apparatus technical field, the absorbing and reducing device of a kind of exhaust gas purification.

Background technology

Car tail row the most on the market is the device of exhaust emissions main on automobile.Along with development and the increase of automobile pollution of economic society, one of automobile exhaust pollution also primary pollution source having become air pollution, existing exhaust system mainly includes tube body, denoiser and ternary catalyzing unit.Wherein denoiser and ternary catalyzing unit are all directly to weld together with tube body, therefore need exhaust apparatus integral replacing when denoiser or ternary catalyzing unit when of damage, cause the increase of maintenance cost, and because only one group ternary catalyzing unit carries out tail gas clean-up, therefore clean-up effect is poor.

Utility model content

The technical problems to be solved in the utility model is: in order to solve problem present in above-mentioned background technology, it is provided that the absorbing and reducing device of the exhaust gas purification of a kind of improvement, solve current exhaust system maintenance cost high, the problem that difficulty is big and clean-up effect is poor.

nullThis utility model solves its technical problem and be the technical scheme is that the absorbing and reducing device of a kind of exhaust gas purification，Including main casing，It is welded and fixed connection on the left of described main casing and has the inlet pipe connection for connecting gasoline engine exhaust escape pipe，It is welded with tail gas discharging pipe on the right side of described main casing，Described main casing center is welded with T-shaped demarcation strip，Described demarcation strip will be separated into the first separate inner chamber inside main casing、Second inner chamber and the 3rd inner chamber，The first described inner chamber and the second inner cavity are all mounted with three-way catalytic converter，The 3rd described inner cavity is mounted with adsorber-reduction catalytic converter，Described nearly upper end, demarcation strip front offers two ends and has the upper handling groove of opening，Described nearly lower end, demarcation strip front offers two ends and has the lower handling groove of opening，Described demarcation strip is left、In right flank correspondence、Lower handling groove location all offers opening，Described demarcation strip is left、Right flank is positioned at mouth periphery and all offers circular extrusion hole，Described extruded hole inner elastomeric connects extruding location bar，Metal noise reduction defecator is all inserted inside described upper handling groove and lower handling groove，The extruding location bar of correspondence position is extruded laterally by described metal noise reduction defecator by inserting upper handling groove and lower handling groove respectively，Described three-way catalytic converter and adsorber-reduction catalytic converter are connected and fixed outwardly against with demarcation strip by extruding location bar.

Preferably, in order to keep both sides purification efficiency, the first described inner chamber and the second inner chamber size are identical.

Preferably, installing for convenience, described upper handling groove is identical with lower handling groove size.

Preferably, in order to promote exhaust efficiency, described inlet pipe connection is connected end with main casing and tail gas discharging pipe with main casing and is equipped with air slot.

The beneficial effects of the utility model are, the absorbing and reducing device of a kind of exhaust gas purification of the present utility model will be separated into multiple independent inner chamber by demarcation strip inside main casing, it is respectively mounted detachable three-way catalytic converter and adsorber-reduction catalytic converter at different independent inner cavity, and on demarcation strip, offer both sides there is opening and the handling groove of extruding location bar, by inserting metal noise reduction defecator, extruding location bar is connected and fixed with three-way catalytic converter and adsorber-reduction catalytic converter, it is greatly promoted degree of firmly installing and stability, promote and filter, purify and erasure effect, reduce later period maintenance cost and maintenance difficulty.

Accompanying drawing explanation

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is internal structure enlarged drawing of the present utility model.

In figure: 1. main casing, 2. inlet pipe connection, 3. tail gas discharging pipe, 4. demarcation strip, 5. the first inner chamber, 6. the second inner chamber, 7. the 3rd inner chamber, 8. three-way catalytic converter, 9. adsorber-reduction catalytic converter, 10. on, load and unload groove, 11. times handling grooves, 12. extruded holes, 13. extruding location bars, 14. metal noise reduction defecators, 15. air slots.

Detailed description of the invention

Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.

nullThe absorbing and reducing device of a kind of exhaust gas purification shown in Fig. 1 and Fig. 2，Including main casing 1，It is welded and fixed connection on the left of main casing 1 and has the inlet pipe connection 2 for connecting gasoline engine exhaust escape pipe，Tail gas discharging pipe 3 it is welded with on the right side of main casing 1，Main casing 1 center is welded with T-shaped demarcation strip 4，Demarcation strip 4 is separated into the first separate inner chamber 5 by internal for main casing 1、Second inner chamber 6 and the 3rd inner chamber 7，First inner chamber 5 and the second inner chamber 6 inside are all mounted with three-way catalytic converter 8，3rd inner chamber 7 is internal is mounted with adsorber-reduction catalytic converter 9，Nearly upper end, demarcation strip 4 front offers two ends and has the upper handling groove 10 of opening，Nearly lower end, demarcation strip 4 front offers two ends and has the lower handling groove 11 of opening，Demarcation strip 4 is left、In right flank correspondence、Lower handling groove location all offers opening，Demarcation strip 4 is left、Right flank is positioned at mouth periphery and all offers circular extrusion hole 12，Extruded hole 12 inner elastomeric connects extruding location bar 13，Upper handling groove 10 and lower handling groove 11 internal all insertions metal noise reduction defecator 14，The extruding location bar 13 of correspondence position is extruded laterally by metal noise reduction defecator 14 by inserting upper handling groove 10 and lower handling groove 11 respectively，Three-way catalytic converter 8 and adsorber-reduction catalytic converter 9 are connected and fixed outwardly against with demarcation strip 4 by extruding location bar 13.

nullPreferably，In order to keep both sides purification efficiency，First inner chamber 5 is identical with the second inner chamber 6 size，Preferably，Install for convenience，Upper handling groove 10 is identical with lower handling groove 11 size，Preferably，In order to promote exhaust efficiency，Inlet pipe connection 2 is connected end with main casing 1 and tail gas discharging pipe 3 with main casing 1 and is equipped with air slot 15，The absorbing and reducing device of a kind of exhaust gas purification of the present utility model is separated into multiple independent inner chamber by demarcation strip 4 by internal for main casing 1，It is respectively mounted detachable three-way catalytic converter 8 and adsorber-reduction catalytic converter 9 at different independent inner cavity，And on demarcation strip 4, offer both sides there is opening and the handling groove of extruding location bar 13，By inserting metal noise reduction defecator 14, extruding location bar 13 is connected and fixed with three-way catalytic converter 8 and adsorber-reduction catalytic converter 9，It is greatly promoted degree of firmly installing and stability，Promote and filter、Purify and erasure effect，Reduce later period maintenance cost and maintenance difficulty.

Embodiment: first metal noise reduction defecator 14 is inserted upper handling groove 10, extruding location bar 13 in handling groove 10 is extruded to both sides, the three-way catalytic converter 8 in the first inner chamber 5 and the adsorber-reduction catalytic converter 9 in the 3rd inner chamber 7 are connected and fixed with main casing 1 inwall；In like manner, metal noise reduction defecator 14 is inserted lower handling groove 11, extruding location bar 13 in lower handling groove 11 is extruded to both sides, the three-way catalytic converter 8 in the second inner chamber 6 and the adsorber-reduction catalytic converter 9 in the 3rd inner chamber 7 are connected and fixed with main casing 1 inwall.Adsorber-reduction catalytic converter 9 is NOx adsorber-reduction catalytic converter.

With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the range of without departing from this utility model technological thought.The content that the technical scope of this utility model is not limited in description, it is necessary to determine its technical scope according to right.

Claims (4)

1. null1. the absorbing and reducing device of an exhaust gas purification，Including main casing (1)，It is characterized in that: described main casing (1) left side is welded and fixed connection the inlet pipe connection (2) for connecting gasoline engine exhaust escape pipe，Described main casing (1) right side is welded with tail gas discharging pipe (3)，Described main casing (1) center is welded with T-shaped demarcation strip (4)，Described demarcation strip (4) is separated into separate the first inner chamber (5) by internal for main casing (1)、Second inner chamber (6) and the 3rd inner chamber (7)，Described the first inner chamber (5) and the second inner chamber (6) inside are all mounted with three-way catalytic converter (8)，The 3rd described inner chamber (7) is internal is mounted with adsorber-reduction catalytic converter (9)，Described nearly upper end, demarcation strip (4) front offers two ends and has the upper handling groove (10) of opening，Described nearly lower end, demarcation strip (4) front offers two ends and has the lower handling groove (11) of opening，Described demarcation strip (4) is left、In right flank correspondence、Lower handling groove location all offers opening，Described demarcation strip (4) is left、Right flank is positioned at mouth periphery and all offers circular extrusion hole (12)，Described extruded hole (12) inner elastomeric connects extruding location bar (13)，Described upper handling groove (10) and internal all insertions metal noise reduction defecator (14) of lower handling groove (11)，Described metal noise reduction defecator (14) loads and unloads groove (10) and lower handling groove (11) extruding location bar (13) of correspondence position extruded laterally by inserting respectively，Described three-way catalytic converter (8) and adsorber-reduction catalytic converter (9) are connected and fixed outwardly against with demarcation strip (4) by extruding location bar (13).
2. The absorbing and reducing device of a kind of exhaust gas purification the most according to claim 1, is characterized in that: described the first inner chamber (5) is identical with the second inner chamber (6) size.
3. The absorbing and reducing device of a kind of exhaust gas purification the most according to claim 1, is characterized in that: described upper handling groove (10) is identical with lower handling groove (11) size.
4. The absorbing and reducing device of a kind of exhaust gas purification the most according to claim 1, is characterized in that: described inlet pipe connection (2) is connected end with main casing (1) and tail gas discharging pipe (3) with main casing (1) and is equipped with air slot (15).