CN209385208U - A kind of SCR post-processing catalytic converters - Google Patents
A kind of SCR post-processing catalytic converters Download PDFInfo
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- CN209385208U CN209385208U CN201822038170.5U CN201822038170U CN209385208U CN 209385208 U CN209385208 U CN 209385208U CN 201822038170 U CN201822038170 U CN 201822038170U CN 209385208 U CN209385208 U CN 209385208U
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- urea
- movably installed
- pipe
- main body
- purifier main
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a kind of SCR to post-process catalytic converters, including purifier main body, the side of the purifier main body is movably installed with reaction warehouse, and reaction warehouse is movably installed with air inlet pipe far from the side of purifier main body, the upper end of the reaction warehouse is movably installed with urea injection pipe, and the lower end of urea injection pipe is movably installed with urea nozzle, the upper end of the urea injection pipe is movably installed with urea pump, the upper end outer surface side of the urea pump is movably installed with supply pipe, and the upper end outer surface other side of urea pump is movably installed with return pipe, the upper end of the supply pipe and return pipe is movably installed with urea tank.The utility model makes the present apparatus motor exhaust and urea reaction is more complete in use by being provided with a series of structure, exhaust pipe realizes one-way exhaust, outside air can not enter inside purifier main body from exhaust pipe and influence catalyzed conversion, optimize use process.
Description
Technical field
The utility model relates to a kind of SCR to post-process catalytic converters.
Background technique
Recently as the increasing of environmentally friendly dynamics, country constantly upgrades the standard of vehicle pollutant emission, sends out in diesel oil
Motivation burning development process mainly controls two kinds of emissions of PM and NOX, and it is bavin that SCR full name, which is " selective catalytic reduction " technology,
A kind of mode of oil machine vent gas treatment, technology path are first by net in the machines such as optimization in-cylinder combustion and reduction consumption of lubricating oil
Change technology solves the problems, such as the particulate emission of diesel engine, then reduces engine DS NOx Est using SCR after-treatment device again, but
It is that existing SCR post-processing catalytic converters structure is simple, and tail gas and urea reaction are not complete enough, the processing to tail gas
Not enough thoroughly, extraneous air is easy to enter in SCR aftertreatment system the normal reality for influencing SCR post-processing by exhaust pipe
Row, reduces the service performance of device.
Utility model content
The purpose of this utility model is to provide a kind of SCR to post-process catalytic converters, to solve above-mentioned background skill
The problem of being proposed in art.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of SCR post-processing catalytic converters, including purifier main body, the side activity peace of the purifier main body
Equipped with reaction warehouse, and reaction warehouse is movably installed with air inlet pipe, the upper end activity of the reaction warehouse far from the side of purifier main body
Urea injection pipe is installed, and the lower end of urea injection pipe is movably installed with urea nozzle, the upper end of the urea injection pipe is living
Dynamic to be equipped with urea pump, the upper end outer surface side of the urea pump is movably installed with supply pipe, and the upper end appearance of urea pump
The face other side is movably installed with return pipe, and the upper end of the supply pipe and return pipe is movably installed with urea tank, the urea pump
Side be movably installed with the first air hose, and the first air hose is movably installed with air tank far from the side of urea pump, described
The upper end of air tank is movably installed with the second air hose, and the upper end of the second air hose is movably installed with air compressor, described
The other side of purifier main body is movably installed with exhaust pipe, and the upper end outer surface of purifier main body is movably installed with automatically controlled machine
Structure.
By using above-mentioned technical proposal, motor exhaust is more complete with urea reaction, and exhaust pipe realizes one-way exhaust,
Outside air can not enter inside purifier main body from exhaust pipe and influence catalyzed conversion, optimize use process.
Preferably, the lower end outer surface of the urea nozzle offers spray orifice, the leading exterior surface one of the urea nozzle
Side offers the first spout, and the back end outer surface other side of urea nozzle offers the second spout.
By using above-mentioned technical proposal, urea is sprayed by the spray orifice on urea nozzle carries out catalysis reduction instead with tail gas
It answers, since the first spout and the second spout are reversely installed when urea sprays, urea is logical when spraying from the first spout and the second spout
The thrust for crossing urea rotates urea nozzle, to increase spray regime, and urea injection is more uniform.
Preferably, first spout is reversely installed with the second spout.
By using above-mentioned technical proposal, reversely installed when urea sprays due to the first spout and the second spout, urea from
Urea nozzle is rotated by the thrust of urea when first spout is sprayed with the second spout.
Preferably, the internal activity of the exhaust pipe is equipped with pneumatic storehouse, and pneumatic storehouse is close to the side of purifier main body
It is movably installed with piston between exhaust pipe, gas-guide tube is equipped between the pneumatic storehouse and exhaust pipe.
By using above-mentioned technical proposal, tail gas pushes piston to move when the tail gas after catalysis reduction is discharged by exhaust pipe
Dynamic, when piston is pushed into pneumatic storehouse, gas-guide tube is opened, so that tail gas is discharged, piston is by gas-guide tube when not to outlet tail gas
Blocking prevents outside air from entering in SCR aftertreatment system the normal implementation for influencing SCR post-processing by exhaust pipe.
Preferably, the urea injection pipe is through the inside of reaction warehouse.
By using above-mentioned technical proposal, urea is guided into reaction warehouse by urea injection pipe.
Preferably, the output end of the electrical control mechanism is electrically connected the input terminal of urea pump and air compressor.
By using above-mentioned technical proposal, power is provided for urea pump and air compressor by electrical control mechanism.
The beneficial effects of the utility model are:
The first, the lower end outer surface of urea nozzle offers spray orifice, and the leading exterior surface side of urea nozzle offers
One spout, the back end outer surface other side of urea nozzle offer the second spout, and urea is sprayed by the spray orifice on urea nozzle
Catalytic reduction reaction is carried out with tail gas, since the first spout and the second spout are reversely installed when urea sprays, urea is sprayed from first
Rotate urea nozzle by the thrust of urea when mouth is sprayed with the second spout, to increase spray regime, and urea sprays
It penetrates more uniform；
The second, the internal activity of exhaust pipe is equipped with pneumatic storehouse, side and exhaust pipe of the pneumatic storehouse close to purifier main body
Between be movably installed with piston, between pneumatic storehouse and exhaust pipe be equipped with gas-guide tube, catalysis reduction after tail gas by exhaust pipe row
Tail gas pushes piston mobile when out, and when piston is pushed into pneumatic storehouse, gas-guide tube is opened, to tail gas is discharged, not to outlet
Air guide blockage is prevented outside air from entering in SCR aftertreatment system after influence SCR by exhaust pipe by piston when tail gas
The normal implementation of reason.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is that the exhaust pipe of the utility model combines view with pneumatic storehouse；
Fig. 3 is the urea nozzle structural schematic diagram of the utility model.
In figure: 1, purifier main body；2, reaction warehouse；3, air inlet pipe；4, urea injection pipe；5, urea nozzle；51, spray orifice；
52, the first spout；53, the second spout；6, urea pump；7, supply pipe；8, return pipe；9, urea tank；10, the first air hose；11,
Air tank；12, the second air hose；13, air compressor；14, exhaust pipe；141, pneumatic storehouse；142, piston；143, gas-guide tube；
15, electrical control mechanism.
Specific embodiment
Technical solutions of the utility model are described in further detail with specific embodiment with reference to the accompanying drawing, so that
Those skilled in the art can better understand the utility model and can be practiced, but illustrated embodiment is not as to this reality
With novel restriction.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of SCR post-processing catalytic converters, packet
Include purifier main body 1, reaction warehouse 2 installed by the side activity of purifier main body 1, reaction warehouse 2 far from purifier main body 1 one
Air inlet pipe 3 is installed in side activity, and motor exhaust is entered in reaction warehouse 2 by air inlet pipe 3, the upper end activity installation of reaction warehouse 2
Urea nozzle 5 is installed in urea injection pipe 4, the lower end activity of urea injection pipe 4, and urea is installed in the upper end activity of urea injection pipe 4
Supply pipe 7, the upper end outer surface other side activity installation of urea pump 6 are installed in pump 6, the upper end outer surface side activity of urea pump 6
Urea tank 9 is installed in the upper end activity of return pipe 8, supply pipe 7 and return pipe 8, and the first air hose is installed in the side activity of urea pump 6
10, the first air hose 10 installs air tank 11 far from the side activity of urea pump 6, and the upper end activity installation second of air tank 11 is empty
Air compressor 13 is installed in the upper end activity of tracheae 12, the second air hose 12.
Electrical control mechanism 15 is installed in the upper end outer surface activity of purifier main body 1, is urea pump 6 and sky by electrical control mechanism 15
Air compressor 13 provides power, and air compression is imported in air tank 11 by the second air hose 12 and stored up by air compressor 13
It deposits, urea pump 6 is sucked the urea in urea tank 9 inside it by supply pipe 7, and air tank 11 will pressure by the first air hose 10
Contracting air is blown into urea pump 6, is sprayed so that the urea in urea pump 6 be imported in reaction warehouse 2 by urea injection pipe 4 by urea
First 5 ejection carries out catalytic reduction reaction with tail gas, and extra urea is back in urea tank 9 by return pipe 8, purifier main body
Exhaust pipe 14 is installed in 1 other side activity, and the tail gas after catalysis reduction, which enters, passes through exhaust pipe 14 after purification in purifier main body 1
Discharge optimizes use process.
Further, the lower end outer surface of urea nozzle 5 opens up spray orifice 51, and the leading exterior surface side of urea nozzle 5 opens up
First spout 52, the back end outer surface other side of urea nozzle 5 open up the second spout 53, and urea passes through the spray on urea nozzle 5
The ejection of hole 51 carries out catalytic reduction reaction with tail gas, since the first spout 52 and the second spout 53 are reversely installed when urea sprays,
Rotate urea nozzle 5 by the thrust of urea when urea is sprayed from the first spout 52 with the second spout 53, to increase
Spray regime, and urea injection is more uniform.
Further, the first spout 52 and the second reversely installation of spout 53, due to the first spout 52 and second when urea sprays
Spout 53 is reversely installed, and sends out urea nozzle 5 by the thrust of urea when urea is sprayed from the first spout 52 and the second spout 53
Raw rotation.
Further, the internal activity of exhaust pipe 14 installs pneumatic storehouse 141, and pneumatic storehouse 141 is close to the side of purifier main body 1
The activity installation piston 142 between exhaust pipe 14 sets gas-guide tube 143, after catalysis reduction between pneumatic storehouse 141 and exhaust pipe 14
Tail gas pushes piston 142 mobile when tail gas is discharged by exhaust pipe 14, the gas-guide tube when piston 142 is pushed into pneumatic storehouse 141
143 open, so that tail gas is discharged, piston 142 blocks gas-guide tube 143 when not to outlet tail gas, and outside air is prevented to pass through
Exhaust pipe 14 enters in SCR aftertreatment system the normal implementation for influencing SCR post-processing.
Further, urea injection pipe 4 is guided urea to reaction by urea injection pipe 4 through the inside of reaction warehouse 2
In storehouse 2.
Further, the output end of electrical control mechanism 15 is electrically connected the input terminal of urea pump 6 and air compressor 13, passes through electricity
Control mechanism 15 is that urea pump 6 and air compressor 13 provide power, the model 6-QW-120D- (760) of electrical control mechanism 15.
It should be noted that the utility model is that a kind of SCR post-processes catalytic converters, motor exhaust when use
It is entered in reaction warehouse 2 by air inlet pipe 3, is that urea pump 6 and air compressor 13 provide power by electrical control mechanism 15, the urine
The model of element pump 6 and air compressor 13 is respectively LY-JLM and ACO-009, and air compression is passed through second by air compressor 13
Air hose 12 is imported in air tank 11 and is stored, and urea pump 6 is sucked the urea in urea tank 9 inside it by supply pipe 7,
Compressed air is blown into urea pump 6 by air tank 11 by the first air hose 10, so that the urea in urea pump 6 is passed through urea
Injection pipe 4, which imports to be sprayed in reaction warehouse 2 by urea nozzle 5, carries out catalytic reduction reaction with tail gas.
Due to the first spout 52 and the second reversely installation of spout 53 when urea sprays, urea is sprayed from the first spout 52 and second
Rotate urea nozzle 5 by the thrust of urea when mouth 53 sprays, to increase spray regime, and urea injection is more equal
Even, extra urea is back in urea tank 9 by return pipe 8, and the tail gas after catalysis reduction, which enters in purifier main body 1, to be purified
It is discharged afterwards by exhaust pipe 14, tail gas pushes piston 142 mobile when the tail gas after catalysis reduction is discharged by exhaust pipe 14, works as work
Plug 142 is pushed into when in pneumatic storehouse 141 gas-guide tube 143 and opens, so that tail gas is discharged, piston 142 will when not to outlet tail gas
Gas-guide tube 143 blocks, and preventing outside air from entering in SCR aftertreatment system by exhaust pipe 14 is influencing SCR post-processing just
It often carries out, effectively increases the functionality of its own, it is more practical.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure made based on the specification and figures of the utility model perhaps equivalent process transformation or directly or indirectly fortune
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of SCR post-processes catalytic converters, including purifier main body (1), it is characterised in that: the purifier main body
(1) side is movably installed with reaction warehouse (2), and reaction warehouse (2) is movably installed with air inlet far from the side of purifier main body (1)
It manages (3), the upper end of the reaction warehouse (2) is movably installed with urea injection pipe (4), and the lower end activity peace of urea injection pipe (4)
Equipped with urea nozzle (5), the upper end of the urea injection pipe (4) is movably installed with urea pump (6), the urea pump (6) it is upper
End outer surface side is movably installed with supply pipe (7), and the upper end outer surface other side of urea pump (6) is movably installed with return pipe
(8), the upper end of the supply pipe (7) and return pipe (8) is movably installed with urea tank (9), the side activity of the urea pump (6)
It is equipped with the first air hose (10), and the first air hose (10) is movably installed with air tank (11) far from the side of urea pump (6),
The upper end of the air tank (11) is movably installed with the second air hose (12), and the upper end of the second air hose (12) is movably installed with
The other side of air compressor (13), the purifier main body (1) is movably installed with exhaust pipe (14), and purifier main body (1)
Upper end outer surface be movably installed with electrical control mechanism (15).
2. a kind of SCR according to claim 1 post-processes catalytic converters, it is characterised in that: the urea nozzle
(5) lower end outer surface offers spray orifice (51), and the leading exterior surface side of the urea nozzle (5) offers the first spout
(52), and the back end outer surface other side of urea nozzle (5) offers the second spout (53).
3. a kind of SCR according to claim 2 post-processes catalytic converters, it is characterised in that: first spout
(52) it is reversely installed with the second spout (53).
4. a kind of SCR according to claim 1 post-processes catalytic converters, it is characterised in that: the exhaust pipe
(14) internal activity is equipped with pneumatic storehouse (141), and side and exhaust pipe of the pneumatic storehouse (141) close to purifier main body (1)
(14) it is movably installed between piston (142), is equipped with gas-guide tube (143) between the pneumatic storehouse (141) and exhaust pipe (14).
5. a kind of SCR according to claim 1 post-processes catalytic converters, it is characterised in that: the urea injection
Inside of the pipe (4) through reaction warehouse (2).
6. a kind of SCR according to claim 1 post-processes catalytic converters, it is characterised in that: the electrical control mechanism
(15) output end is electrically connected the input terminal of urea pump (6) and air compressor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038170.5U CN209385208U (en) | 2018-12-06 | 2018-12-06 | A kind of SCR post-processing catalytic converters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038170.5U CN209385208U (en) | 2018-12-06 | 2018-12-06 | A kind of SCR post-processing catalytic converters |
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| Publication Number | Publication Date |
|---|---|
| CN209385208U true CN209385208U (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822038170.5U Active CN209385208U (en) | 2018-12-06 | 2018-12-06 | A kind of SCR post-processing catalytic converters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324540A (en) * | 2020-09-28 | 2021-02-05 | 秦克红 | Cylinder SCR catalytic converter |
-
2018
- 2018-12-06 CN CN201822038170.5U patent/CN209385208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324540A (en) * | 2020-09-28 | 2021-02-05 | 秦克红 | Cylinder SCR catalytic converter |
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