CN203098009U - Barrel-type postprocessor assembly - Google Patents
Barrel-type postprocessor assembly Download PDFInfo
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- CN203098009U CN203098009U CN 201220739547 CN201220739547U CN203098009U CN 203098009 U CN203098009 U CN 203098009U CN 201220739547 CN201220739547 CN 201220739547 CN 201220739547 U CN201220739547 U CN 201220739547U CN 203098009 U CN203098009 U CN 203098009U
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- postprocessor
- unit assembly
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Abstract
The utility model relates to a barrel-type postprocessor assembly, in particular to the barrel-type postprocessor assembly suitable for spatial arrangement and assembly on a complete car. The barrel-type postprocessor assembly integrates a traditional silencer and a postprocessor, and can simultaneously achieve the purposes of reducing exhaust contaminant and exhaust noise of an engine. The barrel-type postprocessor assembly is formed by a mixing unit assembly, a postprocessor unit assembly and a noise reduction unit assembly, wherein the mixing unit assembly (A), the postprocessor unit assembly (6) and the noise reduction unit assembly (B) are independent assemblies and are fixed inside an outer shell (17) in an encapsulation mode in sequence through front and rear end covers (2). An insulation board (16) is sleeved outside the outer shell (17). The barrel-type postprocessor assembly is suitable for four different post-processing paths, and has the advantages of being good in noise reduction performance, good in exhaust pollutant conversion efficiency, low in backpressure, high in reliability and the like. The appearance of the postprocessor assembly is in a barrel type, and the barrel-type postprocessor assembly can be hung under a car frame, saves the space of the side face of the car frame, and is simple in production process, high in efficiency, and low in cost, and has strong market competitiveness.
Description
Technical field
The utility model relates to a kind of cartridge type post-processor assembly, is particularly useful for being beneficial on car load a kind of cartridge type post-processor assembly of spatial arrangement assembling.
Background technique
The limit value of exhaust contaminant is compared with state III Abgasgesetz in the Abgasgesetz of state's IV, state's V, and the limit value of diesel exhaust gas pollutant (mainly being particle and oxynitrides) reduces a lot.In the motor machine, be difficult to reduce simultaneously the requirement that above-mentioned two kinds of exhaust contaminants reach state's IV, state's V Abgasgesetz, for satisfying the Abgasgesetz of state's IV, state's V, can only in the motor machine, take corresponding measure to reduce the discharging of a kind of exhaust contaminant in particle and the oxynitrides, adopt exhaust gas post-treatment device to reduce the discharging of another exhaust contaminant again, make two kinds of exhaust contaminants of motor all satisfy the emission regulation demands of state's IV, state's V.
The exhaust gas post-treatment device of state's IV, state's V mainly contains four classes: select penetrating type granule capturing preprocessor (POC), the diesel oil oxidation catalysis preprocessor (DOC) of catalytic reduction preprocessor (SCR), band catalyst coat, diesel particulate filtration post-processor (DPF).
Satisfy the structural design of post-processor assembly of the Abgasgesetz of state's IV, state's V, the carrier that needs to adapt to above four kinds of reprocessing routes is arranged, and consider car load arrangement space and noise reduction requirement, and to reduce manufacturing process difficulty and assembly cost simultaneously, improve the competitiveness of product in market.
Summary of the invention
The technical problems to be solved in the utility model is that traditional silencing apparatus and preprocessor are integrated, and a kind of can realize simultaneously reducing discharging and engine noise are provided, and reduces a kind of cartridge type post-processor assembly of manufacturing process difficulty and assembly cost.
Above-mentioned technical problem of the present utility model is solved by the following technical programs, and accompanying drawings is as follows:
A kind of cartridge type post-processor assembly, form by mixed cell assembly, post-processing unit assembly and noise reduction unit assembly, described mixed cell assembly A is made up of suction tude 4, the mixed plate 5 that is fixed on the end cap 2 of suction tude 4 front portions and is fixed on suction tude 4 rear ends, is furnished with air-flow path on described suction tude 4 and the mixed plate 5; Described post-processing unit assembly 6 is for being packaged with the tubular structure of carrier; Described noise reduction unit assembly B is made up of the absorbing duct 8 that is provided with air-flow path, dividing plate, the outlet pipe 13 that is contained in the hush tube 10 on the absorbing duct 8 and is contained in absorbing duct 8 rear ends, described mixed cell assembly A, post-processing unit assembly 6 and noise reduction unit assembly B are independent assembly, be contained in the inside of shell 17 by front and rear cover 2 fixed sealing successively, shell 17 outer cover are equipped with warming plate 16.
Suction tude 4 front ends among the described mixed cell assembly A are fixed with flange 1, on the suction tude 4 between flange 1 and the end cap 2 temperature transducer 3 are housed.
Dividing plate among the described noise reduction unit assembly B by the dividing plate a7 that is fixed on absorbing duct 8 front ends, be fixed on dividing plate b11 on the absorbing duct 8, the dividing plate c9 and the dividing plate d12 that are fixed in the absorbing duct 8 form, and are fixed with hush tube 10 on the dividing plate b11.
Described outlet pipe 13 outlet end are equipped with tailpipe 15, and nitrogen oxide sensor 14 is housed on the outlet pipe 13.
Between described warming plate 16 and shell 17, be filled with sound absorption, thermal insulating material, on shell 17, be provided with the sound absorption hole.
Described processing unit assembly 6 is selected penetrating type granule capturing preprocessor POC, diesel oil oxidation catalysis preprocessor DOC or the diesel particulate filtration post-processor DPF of catalytic reduction preprocessor SCR, band catalyst coat.
The utility model is made of the mixed cell of cartridge type preprocessor suction tude 4, mixed plate 5, shell 17, end cap 2, spraying urea liquid is mapped to back atomizing and hydrolysis generation ammonia in the engine exhaust, with enter post-processor assembly after engine exhaust mixes, through mixed cell, stream with uniform distribution is processing unit later, under the effect of selecting catalytic reduction catalysts, finishes corresponding chemical reaction, exhaust after the purification flows into noise reduction unit, by the noise-cancelling theory reduction exhaust sound of impedance complex.
Reasonable Arrangement suction tude, the aperture of mixed plate overdraught passage and the method for distribution are adopted in the design of mixed cell, make exhaust be evenly distributed to the carrier end face, have improved the utilization ratio of catalyst coat, thereby have improved transformation efficiency.Require under certain prerequisite at the transformation efficiency of after-treatment system to catalytic converter, the mixed cell of excellent in design can reduce carrier bulk, thereby reduces the cost of assembly.
Traditional impedance complex formula noise-cancelling theory is adopted in the design of noise reduction unit.Make full use of limited space, arranged noise elimination structures such as expansion cavity, resonant cavity; Adopt the acupuncture glass fibre as sound-absorbing material, be coated on the shell outside of assembly, and on the shell of noise elimination cell mesh, designed the sound absorption hole, made full use of sound-absorbing material, when effectively reducing the radiated noise of assembly, also reduced the tail pipe noise of high frequency.
Good effect of the present utility model is that traditional silencing apparatus and preprocessor are integrated, provide a kind of can the realization simultaneously to reduce discharging and engine noise device, go for four kinds of different reprocessing routes, save the arrangement space of car load vehicle frame side, production technology is simple, and cost is low.
Description of drawings
Fig. 1 is a cartridge type preprocessor outline drawing;
Fig. 2 is the structural representation of cartridge type preprocessor;
Fig. 3 is the exploded view of cartridge type preprocessor;
Fig. 4 is the sub-assembly structural representation of cartridge type preprocessor.
Among the figure: 1. flange, 2. end cap, 3. temperature transducer, 4. suction tude, 5. mixed plate, 6. post-processing unit assembly, 7. dividing plate a, 8. absorbing duct, 9. dividing plate c, 10. hush tube, 11. dividing plate b, 12. dividing plate d, 13. outlet pipes, 14. nitrogen oxide sensors, 15. tailpipes, 16. warming plates, 17. shells.
A. mixed cell assembly, B. noise reduction unit assembly
Embodiment
Also the utility model is described in more detail in conjunction with the accompanying drawings below by concrete mode of execution.
The device of realizing reducing engine exhaust pollutant and exhaust sound of the present utility model comprises mixed cell, post-processing unit and noise reduction unit.
Be example to select the catalytic reduction preprocessor below, describe the structural design and the manufacture process of assembly in detail.
A kind of cartridge type post-processor assembly, by flange 1, end cap 2, temperature transducer 3, suction tude 4, mixed plate 5, post-processing unit assembly 6, dividing plate a7, dividing plate c 9, dividing plate b 11, dividing plate d12, absorbing duct 8, hush tube 10, outlet pipe 13, nitrogen oxide sensor 14, tailpipe 15, warming plate 16, shell 17 are formed; Flange 1, end cap 2, temperature transducer 3, suction tude 4, mixed plate 5 welding form the mixed cell assembly; Described post-processing unit assembly 6 is positioned at mixed cell assembly back; Dividing plate a7, dividing plate c 9, dividing plate b 11, dividing plate d12, absorbing duct 8, hush tube 10, outlet pipe 13 welding form the noise reduction unit assembly, are positioned at post-processing unit assembly 6 back; Mixed cell assembly, post-processing unit assembly, noise reduction unit assembly are weldingly fixed on the shell 17, are in the inside of shell 17.
The profile of cartridge type post-processor assembly is a cartridge type.
Described post-processing unit assembly 6 can be selected penetrating type granule capturing preprocessor POC, four kinds of different preprocessor routes of diesel oil oxidation catalysis preprocessor DOC, diesel particulate filtration post-processor DPF of catalytic reduction preprocessor SCR, band catalyst coat.
The cartridge type post-processor assembly is suspended under the vehicle frame.
Mixed cell assembly, noise elimination unit assembly are independent welding assembly.
In warming plate 16, add sound absorption, thermal insulating material, be coated on shell 17 outsides, on the shell 17 of noise elimination cell mesh, be provided with the sound absorption hole.
Air-flow enters exocoel by the aperture on the absorbing duct before the dividing plate after getting on the dividing plate c9, and the aperture by the absorbing duct behind the dividing plate flows back to inner chamber again, discharges again.
Consult shown in Figure 1, the device of realizing reducing engine exhaust pollutant and exhaust sound of the present utility model, profile is a core structure, the suction port Placement is a flange, and be furnished with temperature transducer mouth seat, the tail pipe place is furnished with temperature transducer and nitrogen oxide sensor mouth seat, can be arranged under the vehicle frame, saves the arrangement space of car load vehicle frame side.
Consult shown in Figure 2ly, the device of realizing reducing engine exhaust pollutant and exhaust sound of the present utility model comprises mixed cell, post-processing unit and noise reduction unit.Different functions is realized in each unit, and mixed cell and post-processing unit also can play the function of noise reduction simultaneously.
Consult shown in Fig. 3,4, the device of realizing reducing engine exhaust pollutant and exhaust sound of the present utility model, flange 1, end cap 2, temperature transducer 3, suction tude 4, mixed plate 5 are formed the mixed cell assembly according to the structure welding of Fig. 4, carrier package is formed the post-processing unit assembly in stainless steel casing, 4 dividing plates, absorbing duct 8, hush tube 10, outlet pipe 13 welding are formed the noise reduction unit assembly.
Then the post-processing unit assembly is pressed into the specified position of shell 17, and welds, be fixed on the shell 17; Again the mixed cell assembly is pressed into the specified position of shell 17, and welds, be fixed on the shell 17; Again the noise reduction unit assembly is pressed into the specified position of shell 17, and welds, be fixed on the shell 17; With adding sound absorption, thermal insulating material in the warming plate 16, wrap on the preprocessor shell 17 at last, welding forms the cartridge type post-processor assembly.
Because the assembly profile is cylindrical, mixed cell, noise elimination unit are independent welding assembly, and it is more or less freely to be pressed into shell, and is easy to guarantee welded gaps.Whole manufacturing process is simple, sub-assembly is reasonable in design, the manufacturing efficiency height, and the assembly cost is lower.
The device of realizing reducing discharging and engine noise of the present utility model goes for four kinds of different reprocessing routes, and profile is a cartridge type, can be suspended under the vehicle frame, save the frame sides space of planes, production technology is simple, efficient is high, cost is low, has the very strong market competitiveness.
Claims (6)
1. a cartridge type post-processor assembly is made up of mixed cell assembly, post-processing unit assembly and noise reduction unit assembly, it is characterized in that:
Described mixed cell assembly (A) is made up of suction tude (4), the mixed plate (5) that is fixed on the anterior end cap (2) of suction tude (4) and is fixed on suction tude (4) rear end, is furnished with air-flow path on described suction tude (4) and the mixed plate (5); Described post-processing unit assembly (6) is for being packaged with the tubular structure of carrier; Described noise reduction unit assembly (B) is made up of the absorbing duct that is provided with air-flow path (8), dividing plate, the outlet pipe (13) that is contained in the hush tube (10) on the absorbing duct (8) and is contained in absorbing duct (8) rear end, described mixed cell assembly (A), post-processing unit assembly (6) and noise reduction unit assembly (B) are independent assembly, be contained in the inside of shell (17) by front and rear cover (2) fixed sealing successively, shell (17) outer cover is equipped with warming plate (16).
2. a kind of cartridge type post-processor assembly according to claim 1 is characterized in that:
Suction tude (4) front end in the described mixed cell assembly (A) is fixed with flange (1), on the suction tude (4) between flange (1) and the end cap (2) temperature transducer (3) is housed.
3. a kind of cartridge type post-processor assembly according to claim 1 and 2 is characterized in that:
Dividing plate in the described noise reduction unit assembly (B) is by the dividing plate a(7 that is fixed on absorbing duct (8) front end), be fixed on the dividing plate b(11 on the absorbing duct (8)), be fixed on the dividing plate c(9 in the absorbing duct (8)) and dividing plate d(12) form dividing plate b(11) on be fixed with hush tube (10).
4. a kind of cartridge type post-processor assembly according to claim 1 is characterized in that:
Described outlet pipe (13) outlet end is equipped with tailpipe (15), and nitrogen oxide sensor (14) is housed on the outlet pipe (13).
5. a kind of cartridge type post-processor assembly according to claim 1 is characterized in that:
Between described warming plate (16) and shell (17), be filled with sound absorption, thermal insulating material, on shell (17), be provided with the sound absorption hole.
6. a kind of cartridge type post-processor assembly according to claim 1 is characterized in that:
Described processing unit assembly (6) is selected penetrating type granule capturing preprocessor POC, diesel oil oxidation catalysis preprocessor DOC or the diesel particulate filtration post-processor DPF of catalytic reduction preprocessor SCR, band catalyst coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739547 CN203098009U (en) | 2012-12-28 | 2012-12-28 | Barrel-type postprocessor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739547 CN203098009U (en) | 2012-12-28 | 2012-12-28 | Barrel-type postprocessor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098009U true CN203098009U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739547 Expired - Lifetime CN203098009U (en) | 2012-12-28 | 2012-12-28 | Barrel-type postprocessor assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN203098009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016122A (en) * | 2012-12-28 | 2013-04-03 | 中国第一汽车股份有限公司 | Cylindrical post processor assembly |
| CN105089750A (en) * | 2015-08-21 | 2015-11-25 | 天纳克（苏州）排放系统有限公司 | Exhaust gas treatment device |
-
2012
- 2012-12-28 CN CN 201220739547 patent/CN203098009U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016122A (en) * | 2012-12-28 | 2013-04-03 | 中国第一汽车股份有限公司 | Cylindrical post processor assembly |
| CN105089750A (en) * | 2015-08-21 | 2015-11-25 | 天纳克（苏州）排放系统有限公司 | Exhaust gas treatment device |
| CN105089750B (en) * | 2015-08-21 | 2018-04-06 | 天纳克（苏州）排放系统有限公司 | exhaust gas treatment device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |