CN208347865U - A kind of independent dpf regeneration equipment - Google Patents
A kind of independent dpf regeneration equipment Download PDFInfo
- Publication number
- CN208347865U CN208347865U CN201820616193.7U CN201820616193U CN208347865U CN 208347865 U CN208347865 U CN 208347865U CN 201820616193 U CN201820616193 U CN 201820616193U CN 208347865 U CN208347865 U CN 208347865U
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- Prior art keywords
- oil
- burner
- engine
- independent
- oil pump
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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
- Y02T10/40—Engine management systems
Abstract
The utility model discloses a kind of independent dpf regeneration equipment, including burner and oil pump, the burner is arranged on the gas exhaust piping of engine, and it is located at the exhaust upstream of oxidation catalyzer, the top of the burner is equipped with nozzle, the top-side of the burner is equipped with igniter, one end of the burner is fixedly connected by exhaust pipe with one end of engine, the engine is equipped with oil pump, one on the oil pump, which goes out oil head, is connected by oil return pipe with one end of measurement control unit, another oil head out on the oil pump is connected by oil inlet pipe with the oil outlet of fuel tank.The equipment is not necessarily to and Engine ECU communication, is completely independent control, and without complicated DPF filter staking-out work, independent control is mountable on the vehicle that state 2 discharges, and effectively solves DPF blockage problem.
Description
Technical field
The utility model relates to Diesel Engine Technique Field, in particular to a kind of independent dpf regeneration equipment.
Background technique
DPF is limited the ability to bear of soot, when the soot of DPF building up inside is more than its maximum load-carrying capacity
When, DPF internal circulation air-flow can be made to be hindered, so that pressure drop increases, DPF is caused to block.Therefore, DPF system must
Reliable Strategy for Regeneration Control must be matched will not be blocked with ensuring DPF in use.Most of DPF is used passively again
The control strategy that raw mode, absolutely a small number of DPF are aided with initiative regeneration using passive regeneration.DPF passive regeneration refer to only according to
Make the technology of dpf regeneration by engine exhaust heat.When air-flow passes through DPF, the soot in tail gas can be trapped in filtering and be situated between
In matter, these are captured and the carbon soot particles stored occur continuously with the NO2 generated by prime DOC at a proper temperature
Property passive regeneration reaction generate harmless CO2 (NO2+C → CO2+NO), to have the function that eliminate particulate matter.DPF active is again
It is raw to refer to that control system by numerical value such as revolving speed, charge flow rate, fuel flow, the exhaust back pressures of reading engine, passes through calibration
Whether good exhaust back pressure MAP chart is more than its bearing capacity come the soot for determining DPF trapping, when close to its bearing capacity, is
System can automatically control external accessory work, delivery temperature be increased to 550 DEG C or so, so that the soot being collected into is quick
Dispose.
In order to overcome above-mentioned defect in the prior art, provide it is a kind of without being communicated with engine, it is independent, reasonably,
Regenerate the controllable generation control system of engine DPF of high reliablity.In order to achieve the above objectives, we provide a kind of independent hairs
Motivation DPF controllable regeneration system.
Utility model content
The main purpose of the utility model is to provide a kind of independent dpf regeneration equipment, can effectively solve background skill
The problems in art.
To achieve the above object, the technical solution that the utility model is taken are as follows:
The exhaust pipe of engine is arranged in a kind of independent dpf regeneration equipment, including burner and oil pump, the burner
On the road, and positioned at the exhaust upstream of oxidation catalyzer, one end of the oxidation catalyzer is connected with diesel particulate filter, described
The top of burner is equipped with nozzle, and the top-side of the burner is equipped with igniter, and one end of the burner passes through row
Tracheae is fixedly connected with one end of engine, and the engine is equipped with oil pump, and one on the oil pump goes out oil head and passes through oil return
Pipe is connected with one end of measurement control unit, and another oil head out on the oil pump passes through the oil outlet phase of oil inlet pipe and fuel tank
Connection.
Further, one end of the nozzle is connected by oil circuit with measurement control unit.
Further, the oxidation catalyzer is equipped with the first temperature sensor and pressure sensor, first temperature
Sensor and pressure sensor are electrically connected with measurement control unit.
Further, the diesel particulate filter is equipped with second temperature sensor and third temperature sensor, described
Second temperature sensor and third temperature sensor are electrically connected with measurement control unit.
Further, the oxidation catalyzer and diesel particulate filter are installed on engine exhaust system pipeline.
Compared with prior art, the utility model has the following beneficial effects:
1), the equipment is not necessarily to and Engine ECU communicates, and is completely independent control, demarcates work without complicated DPF filter
Make.
2), multiple control strategy guarantees again the reliability of generating apparatus.
3), independent control, it is mountable on the vehicle that state 2 discharges, and effectively solve DPF blockage problem.
4), the spaced design of reproduction time is reasonable, such as:
Vehicle exhaust freely accelerates smoke opacity >=3.01/m, and the regeneration intervals time is 1 hour.
2.51/m≤vehicle exhaust freely accelerates smoke opacity < 3.01/m, and the regeneration intervals time is 2 hours.
2.01/m≤vehicle exhaust freely accelerates smoke opacity < 2.51/m, and the regeneration intervals time is 3 hours.
1.51/m≤vehicle exhaust freely accelerates smoke opacity < 2.01/m, and the regeneration intervals time is 4 hours.
1.01/m≤vehicle exhaust freely accelerates smoke opacity < 1.51/m, and the regeneration intervals time is 6 hours.
0.51/m≤vehicle exhaust freely accelerates smoke opacity < 1.01/m, and the regeneration intervals time is 12 hours.
Vehicle exhaust freely accelerates smoke opacity < 0.51/m, and the regeneration intervals time is 24 hours.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the electrical component electric operation control circuit figure of the utility model.
In figure: 1, nozzle；2, burner；3, the first temperature sensor；4, pressure sensor；5, oxidation catalyzer；6,
Two temperature sensors；7, diesel particulate filter；8, third temperature sensor；9, electronic control unit；10, mounted automatic diagnosis device；
11, measurement control unit；12, oil return pipe；13, oil pump；14, oil inlet pipe；15, fuel tank；16, engine；17, exhaust pipe.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-2, a kind of independent dpf regeneration equipment, including burner 2 and oil pump 13, the burner 2 are arranged
On the gas exhaust piping of engine 16, and it is located at the exhaust upstream of oxidation catalyzer 5, one end connection of the oxidation catalyzer 5
There is diesel particulate filter 7, the top of the burner 2 is equipped with nozzle 1, and the top-side of the burner 2 is equipped with igniting
One end of device, the burner 2 is fixedly connected by exhaust pipe 17 with one end of engine 16, and the engine 16 is equipped with oil
13 are pumped, one on the oil pump 13 goes out oil head and is connected by oil return pipe 12 with one end of measurement control unit 11, the oil pump
Another oil head out on 13 is connected by oil inlet pipe 14 with the oil outlet of fuel tank 15.
Wherein, one end of the nozzle 1 is connected by oil circuit with measurement control unit 11.
Wherein, the oxidation catalyzer 5 is equipped with the first temperature sensor 3 and pressure sensor 4, and first temperature passes
Sensor 3 and pressure sensor 4 are electrically connected with measurement control unit 11.
Wherein, the diesel particulate filter 7 is equipped with second temperature sensor 6 and third temperature sensor 8, and described the
Two temperature sensors 6 and third temperature sensor 8 are electrically connected with measurement control unit 11, second temperature sensor 6 and the
The right temperature value of three-temperature sensor 8 is acquired effect.
Wherein, the oxidation catalyzer 5 and diesel particulate filter 7 are installed in 16 exhaust system pipe of engine road.
It should be noted that the utility model is a kind of independent dpf regeneration equipment, in use, firstly, the first temperature passes
Sensor 3, second temperature sensor 6, third temperature sensor 8 and pressure sensor 4 are acquired temperature and pressure, will acquire
To temperature, pressure, time data are sent to 9 electronic control unit 9 of electronic control unit and are calculated according to collected information
Confirmation, confirmation message are as follows:
1) whether 16 exhaust temperature of engine is more than 50 DEG C, and delivery temperature is greater than 50 DEG C, and dpf regeneration equipment can just regenerate work
Make.
2) whether more than 200mbar, exhaust back pressure is more than 200mbar to exhaust back pressure, and continues 10s, then dpf regeneration equipment
Start reproduction operation.
3) whether the regeneration intervals time is more than setting value, is more than setting value, then dpf regeneration equipment starts reproduction operation.
After validation of information, issues supplying oil and gas and instruct to the oil pump 13 in measurement control unit 11, oil pump 13 works, supply
After diesel oil and compressed air, diesel oil and compressed air mix in nozzle 1, burner 2 is sprayed into together, while electronic control unit issues
Firing command is to igniter fire, so that the gaseous mixture sprayed into Quick uniform in burner 2 burns, burned flame will be vented
Temperature is increased rapidly to 550 DEG C or more, makes the carbon particle of filtering and oxygen that combustion reaction occur, to reach elimination soot particulate matter
Effect.After soot particulate matter burning completely, exhaust back pressure decline, electronic control unit 9 is calculated again according to collected information
Confirmation issues command for stopping to measurement control unit 11 and igniter, and oil pump 13 and igniter stop working, system self-recovery
It completes.When system breaks down, mounted automatic diagnosis device can prompt failure.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of independent dpf regeneration equipment, including burner (2) and oil pump (13), it is characterised in that: the burner (2)
It is arranged on the gas exhaust piping of engine (16), and is located at the exhaust upstream of oxidation catalyzer (5), the oxidation catalyzer (5)
One end be connected with diesel particulate filter (7), the top of the burner (2) is equipped with nozzle (1), the burner (2)
Top-side is equipped with igniter, and one end of the burner (2) is fixed by exhaust pipe (17) and one end of engine (16)
Connection, the engine (16) are equipped with oil pump (13), and one on the oil pump (13) goes out oil head and passes through oil return pipe (12) and meter
One end of amount control unit (11) is connected, and another oil head out on the oil pump (13) passes through oil inlet pipe (14) and fuel tank (15)
Oil outlet be connected.
2. a kind of independent dpf regeneration equipment according to claim 1, it is characterised in that: one end of the nozzle (1) is logical
Oil circuit is crossed to be connected with measurement control unit (11).
3. a kind of independent dpf regeneration equipment according to claim 1, it is characterised in that: on the oxidation catalyzer (5)
Equipped with the first temperature sensor (3) and pressure sensor (4), first temperature sensor (3) and pressure sensor (4) with
Measurement control unit (11) is electrically connected.
4. a kind of independent dpf regeneration equipment according to claim 1, it is characterised in that: the diesel particulate filter
(7) second temperature sensor (6) and third temperature sensor (8), the second temperature sensor (6) and third temperature are equipped with
Sensor (8) is electrically connected with measurement control unit (11).
5. a kind of independent dpf regeneration equipment according to claim 1, it is characterised in that: the oxidation catalyzer (5) and
Diesel particulate filter (7) is installed in engine (16) exhaust system pipe road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616193.7U CN208347865U (en) | 2018-04-27 | 2018-04-27 | A kind of independent dpf regeneration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616193.7U CN208347865U (en) | 2018-04-27 | 2018-04-27 | A kind of independent dpf regeneration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347865U true CN208347865U (en) | 2019-01-08 |
Family
ID=64887651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820616193.7U Active CN208347865U (en) | 2018-04-27 | 2018-04-27 | A kind of independent dpf regeneration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208347865U (en) |
-
2018
- 2018-04-27 CN CN201820616193.7U patent/CN208347865U/en active Active
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