CN107701269A - Diesel engine post-processing system with hot type blue tube road - Google Patents
Diesel engine post-processing system with hot type blue tube road Download PDFInfo
- Publication number
- CN107701269A CN107701269A CN201710936547.6A CN201710936547A CN107701269A CN 107701269 A CN107701269 A CN 107701269A CN 201710936547 A CN201710936547 A CN 201710936547A CN 107701269 A CN107701269 A CN 107701269A
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- China
- Prior art keywords
- blue
- add
- diesel engine
- processing system
- hot type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of diesel engine post-processing system with hot type blue tube road, including：Blast pipe, it is connected with the engine of diesel engine, for receiving the waste gas from engine；Add blue tank, it is used to contain aqueous solution of urea；Metering ejector pump, it is integrated with measuring pump, cleaner and measurement controller DCU, and measurement controller DCU is used for the calculating of the emitted dose of aqueous solution of urea；Add cyan nozzle, it is arranged on blast pipe, is connected by hot type blue tube road with metering ejector pump；And cooling liquid electromagnetic valve is used for as system offer ice service.Wherein, hot type blue tube road is the blue tube and heating tube banded together, and is surrounded by instlated tubular outside, and hot type blue tube road includes adding blue water influent pipeline, add blue pressure piping and adding blue cooling line.The diesel engine post-processing system with hot type blue tube road of the present invention is reasonable in design, and length of pipe is short, and blast pipe is easily arranged, anti-urea crystals ability is strong, and urea decomposes good mixing effect.
Description
Technical field
The invention belongs to diesel engine after treatment field, the diesel engine post-processing system with hot type blue tube road.
Background technology
Blue tube in diesel engine post-processing system is for connection to add blue tank, metering ejector pump and adds cyan nozzle, for
Aqueous solution of urea (the standardization aqueous solution of urea of diesel engine post-processing system is referred to as adding indigo plant) flows in internal system, therefore will
Ask the material of blue tube is resistance to add blue corrosion, for example with PTFE, PFA, VITON, EPDM material.Blue tube also needs to ensure necessarily
Intensity, avoid because suction caused by vacuum and by inhale it is flat.
But the blue tube of existing diesel engine post-processing system is mostly single pipe structure, at low ambient temperatures due to urine
The plain aqueous solution easily crystallizes, therefore can influence the NO in waste gasxReduction effect, it is also easy to cause the blocking of pipeline or asking for explosion
Topic.Existing blue tube also has using Resistant heating, but heat it is uneven, the problem of heating effect difference.In the prior art
Also have and blue tube is designed as sandwich construction, but structure is excessively complicated, duct length is longer, is not easy to arrange, and some corners
Heating tube is not easy to reach, and heating is uneven.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of diesel engine post-processing system with hot type blue tube road, so as to overcome
Prior art diesel aftertreatment system duct length is longer, is not easy to arrange, the heating of blue tube road is uneven, pipeline easily blocks or quick-fried
The problem of splitting.
To achieve the above object, the invention provides a kind of diesel engine post-processing system with hot type blue tube road,
The diesel engine post-processing system includes：Blast pipe, it is connected with the engine of diesel engine, useless from engine for receiving
Gas；Add blue tank, it is used to contain aqueous solution of urea, adds blue tank and is provided with and adds blue pump, sensor and heater；Metering ejector pump,
Metering ejector pump is integrated with measuring pump, cleaner and measurement controller DCU, and measurement controller DCU is used for the spray of aqueous solution of urea
The calculating for the amount of penetrating；Add cyan nozzle, it is arranged on the blast pipe, passes through hot type blue tube road and the metering ejector pump
The aqueous solution of urea of metering, is ejected into blast pipe by connection for the instruction according to measurement controller DCU；And coolant electricity
Magnet valve, it is connected by heating tube with the heat exchanger for adding blue tank and adding built in blue pump, for for system offer ice service；Its
In, hot type blue tube road is the blue tube and heating tube banded together, and is surrounded by instlated tubular outside, hot type blue tube road
Including adding blue water influent pipeline, adding blue pressure piping and adding blue cooling line.
Preferably, in above-mentioned technical proposal, add blue water influent pipeline and be used for from the blue tank transport urea aqueous solution is added to metering spray
Pump is penetrated, the internal diameter for adding blue water influent pipeline is 6mm.
Preferably, in above-mentioned technical proposal, add blue pressure piping and be used for from the metering ejector pump transport urea aqueous solution to adding
Cyan nozzle, the internal diameter for adding blue pressure piping are 6mm.
Preferably, in above-mentioned technical proposal, add blue cooling line and be used for from the cyan nozzle transport urea aqueous solution is added to adding indigo plant
Tank, the internal diameter for adding blue cooling line are 6mm.
Preferably, the both ends in above-mentioned technical proposal, add blue water influent pipeline, adding blue pressure piping and add blue cooling line are equal
The snap joint of SAE standard is installed.
Preferably, in above-mentioned technical proposal, the length for adding blue water influent pipeline is less than 5m.
Preferably, in above-mentioned technical proposal, the length for adding blue pressure piping is less than 3m.
Preferably, in above-mentioned technical proposal, heating tube is used to convey the coolant from the engine, and passes through cooling
Liquid electromagnetic valve carrys out heated cooling fluid.
Preferably, in above-mentioned technical proposal, heating tube selects the ethylene-propylene-diene monomer sebific duct that fiber is strengthened.
Compared with prior art, the present invention has the advantages that：
The diesel engine post-processing system with hot type blue tube road of the present invention is simple in construction, reasonable in design, pipeline length
Short, easy arrangement is spent, hot type blue tube road causes aqueous solution of urea to be heated properly, and heating effect is good, anti-urea crystals ability
By force, urea decomposes good mixing effect, effectively prevent the problem of pipeline is easily blocked or burst.
Brief description of the drawings
Fig. 1 is the hot type blue tube road layout drawing according to the diesel engine post-processing system of the present invention；
Fig. 2 is the structural representation according to the hot type blue tube road of the present invention.
Main Reference Numerals explanation：
1- engines, 2- add blue tank, 3- metering ejector pumps, and 4- adds cyan nozzle, 5- cooling liquid electromagnetic valves, and 6- adds blue feed tube
Road, 7- add blue pressure piping, and 8- adds blue cooling line, 9- engine coolants, 10- blue tubes, 11- heating tubes, and 12- is heat-insulated
Pipe.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figure 1 to Figure 2, respectively according to the hot type of the diesel engine post-processing system of the specific embodiment of the invention
Blue tube road layout drawing and the structural representation on hot type blue tube road.
The diesel engine post-processing system with hot type blue tube road of the present invention includes：Blast pipe, add blue tank 2, metering
Jet pump 3, add cyan nozzle 4 and cooling liquid electromagnetic valve 5.It should be understood, however, that the system not limited to this of the present invention, the present invention
Diesel engine post-processing system also include catalytic muffler, it is connected with blast pipe, for reducing the nitrogen oxides in waste gas
And the exhaust noise of engine is reduced, catalytic muffler includes SCR catalyst and engine exhaust muffler, catalytic muffler
Including arrival end and the port of export, a temperature sensor is at least provided with the port of export.Arrival end can also be provided with one
Temperature sensor.The diesel engine post-processing system of the present invention also includes NOxSensor, it is arranged at the outlet of catalytic muffler
End, for measuring the NO passed through in the reacted waste gas of catalytic mufflerxThe concentration of composition.
Specifically, blast pipe is connected with the engine of diesel engine, for receiving the waste gas from engine 1；Add blue tank 2
It is used to contain aqueous solution of urea, adds blue tank 2 and is provided with and adds blue pump, sensor and heater, and wherein sensor is liquid level, liquid temperature
Sensor.Metering ejector pump 3 is integrated with measuring pump, cleaner and measurement controller DCU, and measurement controller DCU is used for urea water
The calculating of the emitted dose of solution and accurate control.Add cyan nozzle 4 to be arranged on blast pipe, pass through hot type blue tube Lu Yuji
Amount jet pump 3 is connected, and the aqueous solution of urea of metering is ejected into blast pipe for the instruction according to measurement controller DCU.This
The cyan nozzle 4 that adds of invention can be stainless steel injector, or the magnetic valve for adding blue runner of encirclement.Cool down liquid electromagnetic valve
5 are connected by heating tube 11 with the heat exchanger for adding blue tank and adding built in blue pump, for for system offer ice service.
Hot type blue tube road is the blue tube 10 and heating tube 11 banded together, and is surrounded by instlated tubular 12 outside, heat
Type blue tube road includes adding blue water influent pipeline 6, add blue pressure piping 7 and adding blue cooling line 8.Add blue water influent pipeline 6 be used for from
Add the blue transport urea aqueous solution of tank 2 to metering ejector pump 3, the internal diameter for adding blue water influent pipeline 6 is 6mm, and length is less than 5m.Add blue pressure
Solenoid road 7 is used for from the transport urea aqueous solution of metering ejector pump 3 to cyan nozzle 4 is added, and the internal diameter for adding blue pressure piping 7 is 6mm, long
Degree is less than 3m.Add blue cooling line 8 to be used for from the transport urea aqueous solution of cyan nozzle 4 is added to blue tank 2 is added, add blue cooling line 8
Internal diameter is 6mm.And add blue water influent pipeline 6, the both ends that add blue pressure piping 7 and add blue cooling line 8 are mounted on SAE standard
Snap joint.Vehicle needs reasonable Arrangement metering ejector pump 3 and adds the position of cyan nozzle 4, makes length of pipe short as far as possible, with
Reach after-treatment system operational effect as well as possible.
Heating tube 11 is used to convey the coolant from the engine 1, and heats cooling by cooling down liquid electromagnetic valve 5
Liquid.Because heating tube 11 and blue tube 10 are arranged parallel, and band together, while outsourcing instlated tubular 12, as shown in Figure 2.Heat
Coolant can simultaneously heat and add blue tank and blue tube 10, so as to solve winter add it is blue easily freeze, cold season adds blue temperature
The problem of low.Heating tube 11 can use the ethylene-propylene-diene monomer sebific duct that fiber is strengthened.Heating tube 11 and instlated tubular 12 will connect as far as possible
Nearly metering ejector pump 3 and add cyan nozzle 4 blue tube 10 joint location, if the thicker heating tube of some corner locations is not allowed
Easily reach, can be by heating tube distributing T-pipe into thinner pipeline, so that it is guaranteed that whole hot type blue tube road can uniformly add
Hot, reliable deicing.
Because aqueous solution of urea will freeze at -11 DEG C, in order to ensure that SCR system also can normal work in arctic weather
Make, it is necessary to have and change ice and heating function.The present invention the materialization ice process with hot type blue tube road be：Work as metering
After controller DCU installed in the liquid level that adds on blue tank 2, liquid temperature sensor by judging that aqueous solution of urea has frozen, start
The temperature of machine coolant 9 reaches set temperature, and amount controller DCU is electrically energized opening cooling liquid electromagnetic valve 5, hot coolant
9 will be flowed to by heating tube 11 and add the heat exchanger of blue tank 2 with the aqueous solution of urea that thaws, simultaneously because heating tube 11 and adding indigo plant
Pipe 10 bands together parallel, and the icing inside blue tube 10 can also melt.In order to avoid cold snap due to pipeline freeze or
The problem of aqueous solution of urea zone of a crystal comes, SCR aftertreatment system can also be heated in cold snap running, beaten repeatedly
Cooling liquid electromagnetic valve 5 is closed in open and close so that the liquid temperature added in blue tank 2 is remained between 7~15 DEG C.The hot type of the present invention
The structure on blue tube road is simple, and gas exhaust piping arrangement is convenient, and cost is low, homogeneous heating, and heating effect is good, anti-urea crystals ability
By force, it is good to decompose mixing resultant effect for urea.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (9)
- A kind of 1. diesel engine post-processing system with hot type blue tube road, it is characterised in that the diesel engine after treatment system System includes：Blast pipe, it is connected with the engine of the diesel engine, for receiving the waste gas from the engine；Add blue tank, it is used to containing aqueous solution of urea, it is described add blue tank and be provided with add blue pump, sensor and heater；Metering ejector pump, the metering ejector pump are integrated with measuring pump, cleaner and measurement controller DCU, the measure control Device DCU is used for the calculating of the emitted dose of the aqueous solution of urea；Add cyan nozzle, it is arranged on the blast pipe, is connected by the hot type blue tube road and the metering ejector pump Connect, for the aqueous solution of urea of metering to be ejected into the blast pipe according to the instruction of the measurement controller DCU；AndLiquid electromagnetic valve is cooled down, it is connected by heating tube with the heat exchanger for adding blue tank and adding built in blue pump, for be System offerization ice service；Wherein, the hot type blue tube road is the blue tube and heating tube banded together, and is surrounded by instlated tubular outside, described Hot type blue tube road includes adding blue water influent pipeline, add blue pressure piping and adding blue cooling line.
- 2. diesel engine post-processing system according to claim 1, it is characterised in that described to add blue water influent pipeline and be used for from institute State add the blue tank transport urea aqueous solution to the metering ejector pump, the internal diameter for adding blue water influent pipeline be 6mm.
- 3. diesel engine post-processing system according to claim 1, it is characterised in that described to add blue pressure piping and be used for from institute State the metering ejector pump transport urea aqueous solution and add cyan nozzle described in, the internal diameter for adding blue pressure piping is 6mm.
- 4. diesel engine post-processing system according to claim 1, it is characterised in that described to add blue cooling line and be used for from institute State and add the cyan nozzle transport urea aqueous solution and add blue tank described in, the internal diameter for adding blue cooling line is 6mm.
- 5. diesel engine post-processing system according to claim 1, it is characterised in that described to add blue water influent pipeline, add blue pressure Solenoid road is mounted on the snap joint of SAE standard with the both ends for adding blue cooling line.
- 6. diesel engine post-processing system according to claim 1, it is characterised in that it is described add blue water influent pipeline length it is small In 5m.
- 7. diesel engine post-processing system according to claim 1, it is characterised in that it is described add blue pressure piping length it is small In 3m.
- 8. diesel engine post-processing system according to claim 1, it is characterised in that the heating tube, which is used to convey, comes from institute The coolant of engine is stated, and the coolant is heated by the cooling liquid electromagnetic valve.
- 9. diesel engine post-processing system according to claim 1, it is characterised in that the heating tube is strengthened from fiber Ethylene-propylene-diene monomer sebific duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936547.6A CN107701269A (en) | 2017-10-10 | 2017-10-10 | Diesel engine post-processing system with hot type blue tube road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936547.6A CN107701269A (en) | 2017-10-10 | 2017-10-10 | Diesel engine post-processing system with hot type blue tube road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107701269A true CN107701269A (en) | 2018-02-16 |
Family
ID=61184078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710936547.6A Pending CN107701269A (en) | 2017-10-10 | 2017-10-10 | Diesel engine post-processing system with hot type blue tube road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915240A (en) * | 2019-03-28 | 2019-06-21 | 陕西重型汽车有限公司 | A kind of urea system heating and cooling system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1662103A1 (en) * | 2003-09-05 | 2006-05-31 | Nissan Diesel Motor Co., Ltd. | Exhaust gas purification device of engine |
| EP1770251A2 (en) * | 2005-09-28 | 2007-04-04 | ContiTech Techno-Chemie GmbH | Heatable hose pipe module for exhaust treating devices of internal combustion engines |
| JP2012007511A (en) * | 2010-06-23 | 2012-01-12 | Hino Motors Ltd | Exhaust purification device |
| CN203383883U (en) * | 2013-08-13 | 2014-01-08 | 安徽江淮汽车股份有限公司 | Pipeline system of selective catalytic reduction postprocessor |
| CN205172699U (en) * | 2015-11-23 | 2016-04-20 | 安徽中鼎金亚汽车管件制造有限公司 | A conveyer pipe for carrying car urea liquid |
| CN105829789A (en) * | 2014-04-02 | 2016-08-03 | 霓达株式会社 | Heating and heat-shielded piping |
| CN106988838A (en) * | 2017-05-03 | 2017-07-28 | 安徽合力股份有限公司 | A kind of internal combustion engineering machinery exhaust aftertreatment pipe-line system |
| CN207229205U (en) * | 2017-10-10 | 2018-04-13 | 广西玉柴机器股份有限公司 | Diesel engine post-processing system with hot type blue tube road |
-
2017
- 2017-10-10 CN CN201710936547.6A patent/CN107701269A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1662103A1 (en) * | 2003-09-05 | 2006-05-31 | Nissan Diesel Motor Co., Ltd. | Exhaust gas purification device of engine |
| EP1770251A2 (en) * | 2005-09-28 | 2007-04-04 | ContiTech Techno-Chemie GmbH | Heatable hose pipe module for exhaust treating devices of internal combustion engines |
| JP2012007511A (en) * | 2010-06-23 | 2012-01-12 | Hino Motors Ltd | Exhaust purification device |
| CN203383883U (en) * | 2013-08-13 | 2014-01-08 | 安徽江淮汽车股份有限公司 | Pipeline system of selective catalytic reduction postprocessor |
| CN105829789A (en) * | 2014-04-02 | 2016-08-03 | 霓达株式会社 | Heating and heat-shielded piping |
| CN205172699U (en) * | 2015-11-23 | 2016-04-20 | 安徽中鼎金亚汽车管件制造有限公司 | A conveyer pipe for carrying car urea liquid |
| CN106988838A (en) * | 2017-05-03 | 2017-07-28 | 安徽合力股份有限公司 | A kind of internal combustion engineering machinery exhaust aftertreatment pipe-line system |
| CN207229205U (en) * | 2017-10-10 | 2018-04-13 | 广西玉柴机器股份有限公司 | Diesel engine post-processing system with hot type blue tube road |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915240A (en) * | 2019-03-28 | 2019-06-21 | 陕西重型汽车有限公司 | A kind of urea system heating and cooling system |
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Application publication date: 20180216 |
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