CN110748398A - Particulate trap device and engine exhaust system - Google Patents
Particulate trap device and engine exhaust system Download PDFInfo
- Publication number
- CN110748398A CN110748398A CN201911181256.6A CN201911181256A CN110748398A CN 110748398 A CN110748398 A CN 110748398A CN 201911181256 A CN201911181256 A CN 201911181256A CN 110748398 A CN110748398 A CN 110748398A
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- China
- Prior art keywords
- opening
- gas injection
- pipe
- discharge port
- trapping
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- 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
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- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0233—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
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- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0238—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles for regenerating during engine standstill
Abstract
The invention discloses a particle trapping device and an engine exhaust system, wherein the particle trapping device comprises a trapping unit, a gas injection mechanism and an opening and closing mechanism, the trapping unit is used for trapping exhaust particles, the trapping unit is provided with an inlet, a discharge port and an outlet, the inlet is used for being communicated with an exhaust pipe, the outlet is convexly provided with a tail pipe, the gas injection mechanism is respectively connected with the tail pipe and the discharge port, the gas injection mechanism is used for injecting compressed air into the trapping unit and discharging the compressed air from the discharge port, and the opening and closing mechanism comprises a first opening and closing piece, a second opening and closing piece and a third opening and closing piece, the first opening and closing piece, the second opening and closing piece and the third opening and closing piece are respectively arranged at the inlet, the second opening and closing piece and the third. The invention has simple structure, easy operation, safety and reliability, and does not need the back blowing of compressed air.
Description
Technical Field
The invention relates to the technical field of diesel engine emission, in particular to a particle trapping device and an engine exhaust system.
Background
Along with the enhancement of environmental awareness of people, the requirements on automobile emission are stricter and stricter, and in order to effectively treat soot particles discharged by a diesel engine, a diesel particulate trapping Device (DPF) is more and more widely applied to a diesel engine post-treatment system. As the service time of an automobile increases, ash accumulated in the DPF increases continuously, so that the exhaust pressure of an engine is increased continuously, and the dynamic property of the engine and the carbon accumulation capacity of the DPF are influenced; under the normal condition, the vehicle need carry out deashing once every 8 kilometers of traveling promptly and handles, and the deashing method on the existing market mainly removes DPF from the vehicle, reuses the compressed air blowback, and the operation is extremely inconvenient, wastes time and energy, and the ash content and the soot that the blowback came out can cause air pollution moreover, and the harm maintenance service personnel are healthy.
Disclosure of Invention
The invention mainly aims to provide a particle trapping device and an engine exhaust system, and aims to solve the problems that an existing ash cleaning device is inconvenient to operate, time-consuming and labor-consuming, and easy to cause air pollution and damage the health of maintenance service personnel.
To achieve the above object, the present invention provides a particle trap apparatus for installation in an exhaust system of an automobile, the particle trap apparatus comprising:
the trapping unit is used for trapping the discharged particles, and is provided with an inlet, a discharge port and an outlet, wherein the inlet is used for communicating with the exhaust pipe, and the outlet is convexly provided with a tail pipe;
the gas injection mechanism is respectively connected with the tail pipe and the discharge port and is used for injecting compressed air into the trapping unit and discharging the compressed air from the discharge port; and the number of the first and second groups,
and an opening and closing mechanism including a first opening and closing member provided at the inlet, a second opening and closing member provided at the discharge port, and a third opening and closing member provided at the tail pipe, respectively, for controlling opening and closing of the inlet, the discharge port, and the tail pipe correspondingly.
Optionally, the gas injection mechanism comprises:
one end of the gas injection pipe is communicated with the gas pumping device, and the other end of the gas injection pipe is communicated with the tail pipe;
one end of the slag discharging pipe is connected with the discharge port so as to discharge the particles in the trapping unit from the other end;
the opening and closing mechanism further comprises a fourth closing member arranged on the gas injection pipe, and the fourth closing member is used for controlling the opening and closing of the gas injection pipe.
Optionally, the particle processing apparatus comprises a water storage tank, and the slag discharge pipe is used for guiding the particles into the water stored in the water storage tank.
Optionally, the slag discharge pipe is communicated with the bottom of the water storage tank, and the top of the water storage tank is provided with air holes.
Alternatively, the gas injection pipe is disposed to be inclined gradually downward in a gas injection direction of the compressed gas.
Optionally, the discharge opening is opened on a side of the bottom of the trap unit away from the outlet.
Optionally, the release opening is provided with an internal thread, and the second opening and closing member is a sealing bolt corresponding to the internal thread.
Optionally, the first opening and closing member, the third opening and closing member, and the fourth opening and closing member are all solenoid valves and are electrically connected to an automobile electronic control system.
Furthermore, the invention also provides an engine exhaust system, which comprises the particle trapping device.
In the technical scheme of the invention, the particle trapping device has simple structure, easy operation, safety and reliability, and does not need back flushing of compressed air, the engine exhaust system comprises the particle trapping device, the particle trapping device is integrally installed on the exhaust system of the automobile, and the engine exhaust system can save maintenance cost and time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a particle trap apparatus according to the present invention;
fig. 2 is a schematic structural diagram of the slag discharging pipe arranged on the discharge hole in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Trapping unit | 17 | |
| 11 | Inlet port | 171 | |
| 12 | |
21 | First opening and |
| 13 | An |
22 | |
| 14 | |
23 | Third opening and |
| 15 | |
24 | Second opening and closing member |
| 16 | Slag discharge pipe | 3 | Automobile exhaust pipe |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The deashing method on the existing market mainly removes DPF from the vehicle, reuses compressed air blowback, and the operation is extremely inconvenient, wastes time and energy, and the ash content and the soot that the blowback came out can cause air pollution moreover, harm the maintenance service personnel healthy.
Referring to fig. 1 and 2, an embodiment of a particle trap apparatus according to the present invention is shown, in this embodiment, the particle collecting device is used for being installed in an automobile exhaust system and comprises a collecting unit 1, a gas injection mechanism and an opening and closing mechanism, wherein the collecting unit 1 is used for collecting discharged particles, the collecting unit 1 is provided with an inlet 11, a discharge port 12 and an outlet 13, the inlet 11 is used for being communicated with an exhaust pipe, the outlet 13 is convexly provided with a tail pipe 14, the gas injection mechanism is respectively connected with the tail pipe 14 and the discharge port 12, the gas injection mechanism is used for injecting compressed air into the collecting unit 1, and the opening and closing mechanism includes a first opening and closing member 21 provided at the inlet 11, a second opening and closing member 24 provided at the outlet 12, and a third opening and closing member 23 provided at the tail pipe 14, respectively, so as to control the opening and closing of the inlet 11, the outlet 12, and the tail pipe 14 correspondingly.
Referring to fig. 1, a rightward arrow in fig. 1 indicates an exhaust direction of an automobile exhaust pipe 3, the particulate trap apparatus according to the embodiment of the present invention may be integrated on an exhaust system and an air storage tank of an automobile, and only a simple modification of the exhaust system is required to achieve an ash cleaning function of the particulate trap apparatus according to the embodiment of the present invention, specifically, when cleaning ash is started, the first closing member 21 closes the inlet 11, the trap unit 1 is isolated from the automobile exhaust pipe 3, then the second closing member 24 and the third closing member 23 correspondingly maintain communication between the discharge port 12 and the tail pipe 14, at this time, the gas injection mechanism injects compressed air into the trap unit 1, and carries the particulates in the trap unit 1 out to the discharge port 12 through the compressed air, wherein the discharge port 12 may be communicated with a cleaning apparatus for processing particulates, and the like, wherein the compressed air may be a gas source of the automobile itself or may be provided by an external gas station, after completion of the ash removal, the first shutter 21 opens the inlet 11 of the trap unit 1, and the second shutter 24 and the third shutter 23 control the closing of the drain port 12 and the tail pipe 14 to return the trap unit 1 to normal operation. The particle trapping device provided by the embodiment of the invention has the advantages of simple structure, easiness in operation, safety and reliability, and no need of back flushing of compressed air.
Further, the discharge opening 12 is provided with an internal thread, and the second opening and closing member 24 is a sealing bolt corresponding to the internal thread, so that the cost is low, the operation is easy, and the safety and the reliability are realized.
Further, the gas injection mechanism includes gas injection pipe 15 and scum pipe 16, and gas injection pipe 15 one end forms the intercommunication with the pump gas device, and the other end forms the intercommunication with tail pipe 14, and scum pipe 16 one end is connected with discharge port 12 to discharge the granule in the entrapment unit 1 from the other end, and the on-off mechanism still includes the fourth closing member 22 of locating gas injection pipe 15, and fourth closing member 22 is used for controlling the switching of gas injection pipe 15.
Further, the first opening and closing member 21, the third opening and closing member 23 and the fourth opening and closing member 22 in the embodiment of the present invention are all electromagnetic valves, and are electrically connected to the electronic control system of the vehicle. Specifically, first closing member 21, third opening and closing member 23 and fourth closing member 22 are the disc formula solenoid valve, and when needs carried out the deashing, staff or car owner accessible car electrical system control each opening and closing member's switching, do not need the dedicated controlling means of external installation, and the operation of very being convenient for can realize the automatic clearance of ash content, has saved cost and time simultaneously.
Further, the gas injection pipe 15 is inclined downward gradually in the gas injection direction of the compressed gas, so that the pressure loss of the compressed gas is reduced, and the guiding function is also achieved.
Further, the drain port 12 is opened on the side of the bottom of the trap unit 1 away from the outlet 13, and the ash and soot in the trap unit 1 are sufficiently discharged.
Further, the particle treatment device comprises a water storage tank 17, and the slag discharge pipe 16 is used for guiding particles into water stored in the water storage tank 17, so that secondary pollution caused by air pollution of blown ash and soot is prevented, and meanwhile, the particle treatment device is low in cost and easy to realize.
Furthermore, the slag discharging pipe 16 is communicated with the bottom of the water storage tank 17, the top of the water storage tank 17 is provided with air holes, so that compressed air in the slag discharging pipe 16 can be conducted conveniently, and the air holes can be provided with an air vent pipe 171.
In addition, the invention also provides an engine exhaust system which comprises the particle trapping device, and the particle trapping device is integrally installed in an exhaust system of an automobile.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A particulate trapping device for mounting to an exhaust system of an automobile, comprising:
the trapping unit is used for trapping the discharged particles, and is provided with an inlet, a discharge port and an outlet, wherein the inlet is used for communicating with the exhaust pipe, and the outlet is convexly provided with a tail pipe;
the gas injection mechanism is respectively connected with the tail pipe and the discharge port and is used for injecting compressed air into the trapping unit and discharging the compressed air from the discharge port; and the number of the first and second groups,
and an opening and closing mechanism including a first opening and closing member provided at the inlet, a second opening and closing member provided at the discharge port, and a third opening and closing member provided at the tail pipe, respectively, for controlling opening and closing of the inlet, the discharge port, and the tail pipe correspondingly.
2. The particle trapping apparatus according to claim 1, wherein the gas injection mechanism comprises:
one end of the gas injection pipe is communicated with the gas pumping device, and the other end of the gas injection pipe is communicated with the tail pipe;
one end of the slag discharging pipe is connected with the discharge port so as to discharge the particles in the trapping unit from the other end;
the opening and closing mechanism further comprises a fourth closing member arranged on the gas injection pipe, and the fourth closing member is used for controlling the opening and closing of the gas injection pipe.
3. The particle trapping assembly of claim 2, wherein the particle disposal assembly includes a water storage tank, the slag line being configured to direct particles into water stored in the water storage tank.
4. The particle trapping device of claim 3, wherein the deslagging pipe is in communication with the bottom of the water storage tank, and the top of the water storage tank is provided with air vents.
5. The particle collecting apparatus according to claim 2, wherein the gas injection pipe is inclined gradually downward in a gas injection direction of the compressed gas.
6. The particle trapping device according to claim 1, wherein the discharge opening is opened on a side of a bottom of the trapping unit away from the outlet.
7. The particle trapping device according to claim 1, wherein the discharge port is provided with an internal thread, and the second shutter is a seal bolt corresponding to the internal thread.
8. The particle trapping device of claim 1, wherein the first shutter member, the third shutter member, and the fourth shutter member are solenoid valves and are electrically connected to an automotive electronic control system.
9. An engine exhaust system comprising a particulate trapping device according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181256.6A CN110748398A (en) | 2019-11-26 | 2019-11-26 | Particulate trap device and engine exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181256.6A CN110748398A (en) | 2019-11-26 | 2019-11-26 | Particulate trap device and engine exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110748398A true CN110748398A (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911181256.6A Pending CN110748398A (en) | 2019-11-26 | 2019-11-26 | Particulate trap device and engine exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110748398A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634952A (en) * | 1994-06-21 | 1997-06-03 | Ngk Insulators, Ltd. | Exhaust gas filter and apparatus for treating exhaust gases using the same |
| KR100559658B1 (en) * | 2003-12-03 | 2006-03-10 | 현대자동차주식회사 | Smoke filtering and removal device of diesel engine |
| CN104594982A (en) * | 2015-01-16 | 2015-05-06 | 东风商用车有限公司 | Auxiliary regeneration device of automobile diesel particular filter |
-
2019
- 2019-11-26 CN CN201911181256.6A patent/CN110748398A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634952A (en) * | 1994-06-21 | 1997-06-03 | Ngk Insulators, Ltd. | Exhaust gas filter and apparatus for treating exhaust gases using the same |
| KR100559658B1 (en) * | 2003-12-03 | 2006-03-10 | 현대자동차주식회사 | Smoke filtering and removal device of diesel engine |
| CN104594982A (en) * | 2015-01-16 | 2015-05-06 | 东风商用车有限公司 | Auxiliary regeneration device of automobile diesel particular filter |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200204 |