CN111963279A - DPF pipeline type heated air circulation heating device - Google Patents
DPF pipeline type heated air circulation heating device Download PDFInfo
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- CN111963279A CN111963279A CN202010937124.8A CN202010937124A CN111963279A CN 111963279 A CN111963279 A CN 111963279A CN 202010937124 A CN202010937124 A CN 202010937124A CN 111963279 A CN111963279 A CN 111963279A
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- air
- dpf
- air inlet
- pipeline
- air outlet
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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
- F01N3/027—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 using electric or magnetic heating means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
A DPF pipeline type heated air circulation heating device comprises a cabinet body, an air inlet pipeline, a heating bin, a loading tool, an air outlet pipe, an air circulation pipeline, a three-way pipe, an exhaust pipe and an electric cabinet; the heating bin is arranged in the middle of the cabinet body; a loading tool for placing and loading the DPF is arranged in the heating bin; the air inlet end at the bottom of the heating bin is connected with the air outlet end of the air inlet pipeline; an air inlet valve and a circulating fan are arranged on the air inlet pipeline; the air inlet end of the air inlet pipeline extends out of the outer side of the cabinet body; the air outlet end at the top of the heating bin is connected with the air inlet end of the air outlet pipe; a drainage fan and a flowmeter are arranged on the air outlet pipe; the air outlet end of the air outlet pipe is connected with the air inlet end of the three-way pipe; the electric cabinet sets up inside the cabinet body. According to the invention, in order to improve the heating speed, a heating device for forcibly guiding hot air into the DPF is designed according to the ventilation property of the loading tool, and the hot air circulates in the closed pipeline, so that the heating efficiency is improved, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the field of DPF processing, in particular to a DPF pipeline type hot air circulation heating device.
Background
In order to meet the emission standard of six countries, almost all diesel vehicles have to be added with DPF (Diesel particulate trap), and the application prospect of DPF is huge in scale. However, after the vehicle travels for tens of thousands of kilometers, the DPF is gradually clogged, which causes an increase in exhaust back pressure of the vehicle, an increase in fuel consumption, and a decrease in power. The replacement of a new DPF is expensive and at this point the DPF needs to be cleaned to restore its normal operating level.
The method for cleaning the DPF has various ways, and the method is applied to heating regeneration cleaning, mainly aims at most of soot particulate matters adsorbed in the DPF and not fully combusted, and achieves the purpose of cleaning blockage by burning and oxidizing the particulate matters through the heating device.
The heating mode of current DPF heating furnace all is heating with natural heat-conduction basically, and the resistance wire heating air and the heat radiation that lean on to coil in the furnace chamber give DPF, because the thermal conductivity of DPF material is relatively poor, will heat DPF internal temperature to 600 ℃, need 2 ~ 3 hours usually, and efficiency is too low. The time cost and the energy consumption cost are both large, and the market competition is not facilitated.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a DPF pipeline type hot air circulation heating device, hot air circulates in a closed pipeline, heating efficiency is improved, and energy consumption is reduced.
(II) technical scheme
In order to solve the problems, the invention provides a DPF pipeline type heated air circulation heating device which comprises a cabinet body, an air inlet pipeline, a heating bin, a loading tool, an air outlet pipe, an air circulation pipeline, a three-way pipe, an exhaust pipe and an electric cabinet, wherein the air inlet pipeline is arranged on the cabinet body;
the heating bin is arranged in the middle of the cabinet body; a loading tool for placing and loading the DPF is arranged in the heating bin; the air inlet end at the bottom of the heating bin is connected with the air outlet end of the air inlet pipeline; an air inlet valve and a circulating fan are arranged on the air inlet pipeline; the air inlet end of the air inlet pipeline extends out of the outer side of the cabinet body;
the air outlet end at the top of the heating bin is connected with the air inlet end of the air outlet pipe; a drainage fan and a flowmeter are arranged on the air outlet pipe; the air outlet end of the air outlet pipe is connected with the air inlet end of the three-way pipe;
one air outlet end of the three-way pipe is connected with the exhaust pipe, and the other air outlet end of the three-way pipe is connected with the air inlet end of the air circulation pipeline; wherein, the air outlet end of the exhaust pipe is provided with an exhaust valve; the exhaust end of the exhaust pipe extends out of the outer side of the cabinet body;
an air heating device is arranged in the air circulation pipeline; the air outlet end of the air circulation pipeline is connected with the middle part of the air inlet pipeline;
the electric cabinet sets up inside the cabinet body.
Preferably, the bottom of the cabinet body is provided with a plurality of universal wheels.
Preferably, the processing technology comprises the following steps:
s1: installing the DPF on a loading tool;
s2: starting a circulating fan; the heating device heats the air in the air circulation pipeline, and the air circulates;
s3: controlling the opening and closing degrees of an air inlet valve and an air outlet valve to ensure that a proper amount of oxygen enters an air circulation pipeline to participate in combustion oxidation reaction; meanwhile, the exhaust pipe discharges part of the exhaust gas;
s4: cooling the DPF after processing;
s5: a cooling stage; closing the heating device, and naturally cooling; then, completely opening an air inlet valve and an air outlet valve, introducing cold air, and performing air cooling on the DPF;
s6: after the DPF is cooled to a preset temperature, the circulating fan is closed;
s7: fully closing the intake and exhaust valves;
s8: and taking out the DPF to finish the processing process.
According to the invention, in order to improve the heating speed, a heating device for forcibly guiding hot air into the DPF is designed according to the ventilation property of the loading tool, and the hot air circulates in the closed pipeline, so that the heating efficiency is improved, and the energy consumption is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a DPF pipeline type heated air circulation heating device according to the present invention.
Fig. 2 is a schematic view of the working principle of the DPF pipeline type heated air circulation heating device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the DPF pipeline type heated air circulation heating device provided by the present invention comprises a cabinet 14, an air inlet pipeline 3, a heating chamber 5, a loading fixture 7, an air outlet pipe 13, an air circulation pipeline 1, a three-way pipe 12, an exhaust pipe 10 and an electric cabinet 15;
the heating bin 5 is arranged in the middle of the cabinet body 14; a loading tool 7 for loading the DPF is arranged in the heating bin 5; the air inlet end at the bottom of the heating bin 5 is connected with the air outlet end of the air inlet pipeline 3; an air inlet valve 2 and a circulating fan 4 are arranged on the air inlet pipeline 3; the air inlet end of the air inlet pipeline 3 extends out of the cabinet body 14;
the air outlet end at the top of the heating bin 5 is connected with the air inlet end of the air outlet pipe 13; the air outlet pipe 13 is provided with a drainage fan 8 and a flowmeter 9; the air outlet end of the air outlet pipe 13 is connected with the air inlet end of the three-way pipe 12;
one air outlet end of the three-way pipe 12 is connected with the exhaust pipe 10, and the other air outlet end of the three-way pipe 12 is connected with the air inlet end of the air circulating pipeline 1; wherein, the air outlet end of the exhaust pipe 10 is provided with an exhaust valve 11; the exhaust end of the exhaust pipe 10 extends out of the cabinet 14;
an air heating device 6 is arranged in the air circulation pipeline 1; the air outlet end of the air circulation pipeline 1 is connected with the middle part of the air inlet pipeline 3;
the electric cabinet 15 is arranged inside the cabinet 14.
In an alternative embodiment, the processing technology comprises the following procedures:
s1: mounting the DPF on a loading fixture 7;
s2: starting the circulating fan 4; the heating device 6 heats the air in the air circulation pipeline 1, and the air circulates;
s3: controlling the opening and closing degrees of the air inlet valve 2 and the air outlet valve 11 to ensure that a proper amount of oxygen enters the air circulation pipeline 1 to participate in combustion oxidation reaction; meanwhile, the exhaust pipe 10 discharges a part of the exhaust gas;
s4: cooling the DPF after processing;
s5: a cooling stage; closing the heating device 6, and naturally cooling; then, the air inlet valve 2 and the exhaust valve 11 are completely opened, cold air is introduced, and air cooling is carried out on the DPF;
s6: after the DPF is cooled to a preset temperature, the circulating fan 4 is closed;
s7: fully closing the intake valve 2 and the exhaust valve 11;
s8: and taking out the DPF to finish the processing process.
In the invention, in order to improve the heating speed, a heating device for forcibly introducing hot air into the DPF is designed according to the ventilation property of the loading tool 7, and the hot air circulates in a closed pipeline, so that the heating efficiency is improved, and the energy consumption is reduced.
The DPF air circulation system mainly comprises an air inlet pipeline 3, an air circulation pipeline 1, an air outlet pipe 13, an air heating device 6, a circulation fan 4, an exhaust pipe 10 and a loading tool 7, so that hot air (and cold air) can rapidly pass through the DPF, the heating speed (and the cooling speed) of the DPF is greatly improved, the processing efficiency of the DPF is improved, and the processing instruction of the DPF is ensured.
According to the invention, the high-temperature air passes through the pore channel of the DPF by utilizing the air permeability of the DPF, so that the heat is effectively and rapidly transferred to the DPF, and the heating rate is greatly improved; pipeline formula inner loop design, effectual giving DPF with the heat transfer, reduced the radiating loss of heat, saved the energy, not only can be used for giving DPF heating, can also carry out the forced air cooling to DPF after the heating is accomplished, a tractor serves several purposes.
In an alternative embodiment, a plurality of universal wheels are provided at the bottom of the cabinet 14 to facilitate the movement of the whole equipment.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (3)
1. A DPF pipeline type heated air circulation heating device is characterized by comprising a cabinet body (14), an air inlet pipeline (3), a heating bin (5), a loading tool (7), an air outlet pipe (13), an air circulation pipeline (1), a three-way pipe (12), an exhaust pipe (10) and an electric cabinet (15);
the heating bin (5) is arranged in the middle of the cabinet body (14); a loading tool (7) for loading the DPF is arranged in the heating bin (5); the air inlet end at the bottom of the heating bin (5) is connected with the air outlet end of the air inlet pipeline (3); an air inlet valve (2) and a circulating fan (4) are arranged on the air inlet pipeline (3); the air inlet end of the air inlet pipeline (3) extends out of the outer side of the cabinet body (14);
the air outlet end at the top of the heating bin (5) is connected with the air inlet end of the air outlet pipe (13); a drainage fan (8) and a flowmeter (9) are arranged on the air outlet pipe (13); the air outlet end of the air outlet pipe (13) is connected with the air inlet end of the three-way pipe (12);
one air outlet end of the three-way pipe (12) is connected with the exhaust pipe (10), and the other air outlet end of the three-way pipe (12) is connected with the air inlet end of the air circulating pipeline (1); wherein, the air outlet end of the exhaust pipe (10) is provided with an exhaust valve (11); the exhaust end of the exhaust pipe (10) extends out of the outer side of the cabinet body (14);
an air heating device (6) is arranged in the air circulating pipeline (1); the air outlet end of the air circulation pipeline (1) is connected with the middle part of the air inlet pipeline (3);
the electric cabinet (15) is arranged inside the cabinet body (14).
2. The DPF ducted hot air circulation heating apparatus according to claim 1, wherein a plurality of universal wheels are provided at the bottom of the cabinet (14).
3. The DPF pipeline type hot air circulation heating device is characterized in that the processing technology comprises the following procedures:
s1: installing the DPF on a loading tool (7);
s2: starting a circulating fan (4); the heating device (6) heats the air in the air circulation pipeline (1), and the air circulates;
s3: controlling the opening and closing degree of the air inlet valve (2) and the air outlet valve (11) to ensure that a proper amount of oxygen enters the air circulation pipeline (1) to participate in combustion oxidation reaction; meanwhile, the exhaust pipe (10) discharges part of the exhaust gas;
s4: cooling the DPF after processing;
s5: a cooling stage; closing the heating device (6), and naturally cooling; then, fully opening an air inlet valve (2) and an air outlet valve (11), introducing cold air, and carrying out air cooling on the DPF;
s6: after the DPF is cooled to a preset temperature, the circulating fan (4) is closed;
s7: fully closing the intake valve (2) and the exhaust valve (11);
s8: and taking out the DPF to finish the processing process.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937124.8A CN111963279A (en) | 2020-09-08 | 2020-09-08 | DPF pipeline type heated air circulation heating device |
| CN202121360648.1U CN215213648U (en) | 2020-09-08 | 2021-06-18 | Particle filter cleaning device and particle filter cleaning equipment |
| PCT/CN2021/101023 WO2022052555A1 (en) | 2020-09-08 | 2021-06-18 | Particulate filter cleaning apparatus and particulate filter cleaning device |
| CN202110680464.1A CN113187586A (en) | 2020-09-08 | 2021-06-18 | Particle filter cleaning device and particle filter cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937124.8A CN111963279A (en) | 2020-09-08 | 2020-09-08 | DPF pipeline type heated air circulation heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963279A true CN111963279A (en) | 2020-11-20 |
Family
ID=73392609
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010937124.8A Pending CN111963279A (en) | 2020-09-08 | 2020-09-08 | DPF pipeline type heated air circulation heating device |
| CN202110680464.1A Pending CN113187586A (en) | 2020-09-08 | 2021-06-18 | Particle filter cleaning device and particle filter cleaning equipment |
| CN202121360648.1U Active CN215213648U (en) | 2020-09-08 | 2021-06-18 | Particle filter cleaning device and particle filter cleaning equipment |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110680464.1A Pending CN113187586A (en) | 2020-09-08 | 2021-06-18 | Particle filter cleaning device and particle filter cleaning equipment |
| CN202121360648.1U Active CN215213648U (en) | 2020-09-08 | 2021-06-18 | Particle filter cleaning device and particle filter cleaning equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN111963279A (en) |
| WO (1) | WO2022052555A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202601A (en) * | 2021-06-18 | 2021-08-03 | 浙江银轮智能装备有限公司 | Heating unit, particle filter cleaning device and equipment |
| CN113217147A (en) * | 2021-06-18 | 2021-08-06 | 浙江银轮智能装备有限公司 | Particle filter cleaning method |
| CN113250790A (en) * | 2021-06-18 | 2021-08-13 | 浙江银轮智能装备有限公司 | Linkage type double-valve mechanism, particle filter cleaning device and equipment |
| CN113356969A (en) * | 2021-06-19 | 2021-09-07 | 浙江银轮智能装备有限公司 | Automatic cleaning equipment for particle filter |
| WO2022052555A1 (en) * | 2020-09-08 | 2022-03-17 | 浙江银轮智能装备有限公司 | Particulate filter cleaning apparatus and particulate filter cleaning device |
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| JP2014088776A (en) * | 2012-10-29 | 2014-05-15 | Honda Motor Co Ltd | Exhaust circulation device of internal combustion engine |
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2020
- 2020-09-08 CN CN202010937124.8A patent/CN111963279A/en active Pending
-
2021
- 2021-06-18 CN CN202110680464.1A patent/CN113187586A/en active Pending
- 2021-06-18 WO PCT/CN2021/101023 patent/WO2022052555A1/en active Application Filing
- 2021-06-18 CN CN202121360648.1U patent/CN215213648U/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014088776A (en) * | 2012-10-29 | 2014-05-15 | Honda Motor Co Ltd | Exhaust circulation device of internal combustion engine |
| JP6237568B2 (en) * | 2014-10-21 | 2017-11-29 | 株式会社豊田自動織機 | Vehicle control device |
| US20190301331A1 (en) * | 2017-01-17 | 2019-10-03 | Ngk Insulators, Ltd. | Heat generation system, exhaust gas purification device, and method for regenerating honeycomb structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022052555A1 (en) * | 2020-09-08 | 2022-03-17 | 浙江银轮智能装备有限公司 | Particulate filter cleaning apparatus and particulate filter cleaning device |
| CN113202601A (en) * | 2021-06-18 | 2021-08-03 | 浙江银轮智能装备有限公司 | Heating unit, particle filter cleaning device and equipment |
| CN113217147A (en) * | 2021-06-18 | 2021-08-06 | 浙江银轮智能装备有限公司 | Particle filter cleaning method |
| CN113250790A (en) * | 2021-06-18 | 2021-08-13 | 浙江银轮智能装备有限公司 | Linkage type double-valve mechanism, particle filter cleaning device and equipment |
| CN113217147B (en) * | 2021-06-18 | 2022-09-13 | 浙江银轮智能装备有限公司 | Particle filter cleaning method |
| CN113356969A (en) * | 2021-06-19 | 2021-09-07 | 浙江银轮智能装备有限公司 | Automatic cleaning equipment for particle filter |
| WO2022262025A1 (en) * | 2021-06-19 | 2022-12-22 | 浙江银轮智能装备有限公司 | Automatic cleaning equipment for diesel particulate filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113187586A (en) | 2021-07-30 |
| WO2022052555A1 (en) | 2022-03-17 |
| CN215213648U (en) | 2021-12-17 |
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