CN111375601A - DPF ash removal device and method - Google Patents
DPF ash removal device and method Download PDFInfo
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- CN111375601A CN111375601A CN202010152881.4A CN202010152881A CN111375601A CN 111375601 A CN111375601 A CN 111375601A CN 202010152881 A CN202010152881 A CN 202010152881A CN 111375601 A CN111375601 A CN 111375601A
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- movable body
- dpf
- ash
- disturbing cone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The invention discloses a DPF ash removal device and an ash removal method, wherein the DPF ash removal device comprises an ash collection groove, a fixed body, a movable body, a thread receiver, an air disturbing cone threaded rod and an air disturbing cone; the air duct at the tail part of the immobile body is inserted into the top of the ash collecting groove; the movable body can axially slide; the wind disturbing cone threaded rod is in threaded connection with the thread receiver; the relative position adjustment between the wind disturbing cone threaded rod and the thread receiver can be realized by rotating the wind disturbing cone threaded rod; the ash cleaning method comprises the following steps: opening an axial flow fan, adjusting a gap between an air disturbing cone and a conical surface of a movable body, controlling the blowing air flow rate and the blowing position, and removing the ash on the edge of the DPF carrier to be cleaned; rotating the wind disturbing cone threaded rod to adjust a gap between the wind disturbing cone and a conical surface of the movable body, and gradually blowing towards the center of the DPF carrier to be cleaned; the invention adopts the detachable design and simple structure, is suitable for DPF carriers to be cleaned with various structural types, and is matched with a special flow method to realize good dust cleaning effect, and the operation is simple and has no pollution to the environment.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a DPF ash removal device and an ash removal method.
Background
After the automobile discharges the upgrading, indispensable DPF (diesel engine particle trap) among the automobile-used back nursing system, have a certain amount of ash matter to store in the middle of the DPF carrier after DPF operation certain mileage, occupy DPF's effective volume, the DPF deashing must go on.
The current deashing process is extremely nonstandard, especially does not have special deashing equipment, and the deashing effect is extremely poor. Currently, international mainstream ash removal devices are classified into two types: a high-temperature purge type and a solvent washing type.
High-temperature purging type disadvantages: the application safety is low, and fixed position placement is required.
Solvent washing type disadvantages: the washing solvent has limited application times, short shelf life and environmental pollution.
Disclosure of Invention
The invention aims to solve the technical problems of high ash removal cost, low application safety and the like in the prior art, and provides a DPF ash removal device and an ash removal method.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
a DPF ash removal device comprises an ash collection groove 1, an immobile body 5, a support 6, an immobile body locking mechanism 7, a support sliding rod 8, a V-shaped receiving frame 9, a mobile body 10, a mobile body locking mechanism 11, a thread receiver 12, a wind disturbing cone threaded rod 13, a wind disturbing cone 15 and a wind disturbing cone locking mechanism 16;
the air duct at the tail part of the immobile body 5 is inserted into the top of the ash collecting groove 1;
the immovable body 5 is fixed on the bracket 6 through an immovable body locking mechanism 7;
the left bracket sliding rod 8 and the right bracket sliding rod 8 are fixed on the bracket 6 through the fixed body locking mechanism 7;
the V-shaped receiving frame 9 is installed on the support sliding rod 8 through a shaft hole in a matching mode, and the V-shaped receiving frame 9 can axially slide and radially rotate;
the movable body 10 is matched with the shaft hole of the bracket sliding rod 8 through a movable body locking mechanism 11 and is arranged on the bracket sliding rod 8, and the movable body 10 can axially slide;
the thread receiver 12 is fixed at the pipeline turning position of the movable body 10, and the thread receiver 12 is concentric with the movable body 10;
the wind disturbing cone 15 is fixed on the wind disturbing cone threaded rod 13 by using a wind disturbing cone locking mechanism 16;
the wind disturbing cone threaded rod 13 is in threaded connection with the threaded receiver 12; the relative position adjustment between the wind disturbing cone threaded rod 13 and the threaded receiver 12 can be realized by rotating the wind disturbing cone threaded rod 13, and further the gap adjustment between the wind disturbing cone 15 and the conical surface of the movable body 10 is realized.
The movable body 10 compresses the support sliding rod 8 through a bolt on the movable body locking mechanism 11, so that the movable body 10 and the support sliding rod 8 are locked.
The ash collecting groove 1 is provided with an exhaust pipe 4.
And a water filter screen 2 and a splash-proof baffle 3 are arranged in the ash collection groove 1.
A method for cleaning ash by using a DPF ash cleaning device comprises the following steps:
1) the DPF carrier 14 to be cleaned is placed in a heating furnace for heating and heat preservation;
2) injecting water into the ash collecting groove 1;
3) adjusting a V-shaped receiving frame 9 according to the diameter and the length of the DPF carrier 14 to be cleaned;
4) adjusting the clearance between the wind cone 15 and the conical surface of the movable body 10;
5) placing the heated DPF carrier 14 to be cleaned on the V-shaped receiving frame 9;
6) the position of the movable body 10 is adjusted, the DPF carrier 14 to be cleaned is clamped and locked with the bracket sliding rod 8 by using the movable body locking mechanism 11.
7) Connecting an axial flow fan of additional equipment, wherein the outlet of the axial flow fan is connected to the air inlet of the movable body;
8) opening an axial flow fan, adjusting a gap between the wind disturbing cone 15 and a conical surface of the movable body 10, controlling the blowing air flow rate and the blowing position, and removing the ash on the edge of the DPF carrier 14 to be cleaned;
9) rotating the wind disturbing cone threaded rod 13 to adjust the gap between the wind disturbing cone 15 and the conical surface of the movable body 10, and gradually blowing towards the central position of the DPF carrier 14 to be cleaned;
10) the blowing air provided by the axial flow fan flows through the DPF carrier 14 to be cleaned, enters the dust collecting groove 1 through the air duct of the immobile body 5, the hot air containing the deposited dust is blown into the dust collecting groove 1, heat exchange and dust fall are carried out in the water added in advance, the washed gas is discharged from the exhaust pipe 4 through the water filter screen 2 and the anti-splashing blocking piece 3, and the dust cleaning pollution is eliminated.
The clearance between the wind cone 15 and the tapered surface of the movable body 10 is set to 10 mm.
The water injection depth of the dust collecting groove 1 is total volume 2/3.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts a detachable design and has simple structure, can be suitable for DPF carriers to be cleaned with various structural types, can realize good dust cleaning effect by matching with a special flow method, and has simple operation and no pollution to the environment.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a front view of a general schematic of a DPF soot cleaning device of the present invention;
FIG. 2 is a top view of an overall schematic of a DPF soot cleaning device of the present invention;
FIG. 3 is a schematic view of the bracket and the stationary body of the DPF ash removal device according to the present invention;
FIG. 4 is a schematic view of a V-shaped receiving frame of the DPF ash removal device;
FIG. 5a is a front view of a schematic diagram of a movable body of a soot cleaning device for DPF according to the present invention;
FIG. 5b is a schematic top view of a movable body of the soot cleaning device for DPF according to the present invention;
FIG. 6a is a schematic view of a wind disturbing cone of a DPF ash removal device according to the present invention;
FIG. 6b is a schematic view illustrating the installation of a wind-disturbing cone and a stationary body of the DPF ash removal device according to the present invention;
in the figure:
1. a dust collecting groove; 2. a water filtering net; 3. a splash-proof catch; 4. an exhaust pipe; 5. an immobile body; 6. a support; 7 a stationary body locking mechanism; 8. a bracket slide bar; 9. a V-shaped receiving rack; 10. a movable body; 11. a movable body locking mechanism; 12. a threaded receiver; 13. a wind cone threaded rod; 14. a DPF carrier to be cleaned; 15. a wind-disturbing cone; 16. a wind disturbing cone locking mechanism;
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 and 2, the overall schematic diagram of the DPF ash removal device according to the present invention is shown, and in addition to the devices shown in fig. 1 and 2, the present invention also needs to complete the DPF ash removal work by means of an axial flow fan and a DPF heating furnace.
Referring to fig. 1, the DPF ash removal device comprises an ash collection tank 1, a water filter screen 2, an anti-splashing blocking sheet 3, an exhaust pipe 4, an immobile body 5, a support 6, an immobile body locking mechanism 7, a support sliding rod 8, a V-shaped receiving frame 9, a movable body 10, a movable body locking mechanism 11, a thread receiver 12, a wind disturbing cone threaded rod 13, a DPF carrier 14 to be ash removed, a wind disturbing cone 15 and a wind disturbing cone locking mechanism 16;
the ash collecting groove 1 is a square box body with an exhaust pipe 4, a water filter screen 2 is arranged in the ash collecting groove, and a splash-proof baffle 3 is arranged in the exhaust pipe 4. The top of the ash collecting groove 1 is provided with an opening for installing the tail air guide pipeline of the immobile body 5.
The immovable body 5 is fixed to the bracket 6 by an immovable body lock mechanism 7 and locked.
The left and right bracket sliding rods 8 are fixed on the bracket 6 through the fixed body locking mechanism 7 and locked at the position.
Referring to fig. 2, 3 and 4, the V-shaped receiving frame 9 is mounted on the bracket sliding rod 8 through a shaft hole in a matching manner, the fit clearance of the shaft hole is large, and the V-shaped receiving frame 9 can axially slide and radially rotate.
Referring to fig. 5a and 5b, the movable body 10 is mounted on the bracket sliding rod 8 through the movable body locking mechanism 11 and the shaft hole of the bracket sliding rod 8, the fit clearance of the shaft hole is large, and the movable body 10 can slide axially. The movable body 10 can be locked with the bracket sliding rod 8 by pressing the bracket sliding rod 8 through a bolt on the movable body locking mechanism 11.
The thread receiver 12 is welded to the movable body 10 at the pipe turn, and the thread receiver 12 is concentric with the movable body 10.
The wind disturbing cone 15 is fixed on the wind disturbing cone threaded rod 13 by using a wind disturbing cone locking mechanism 16.
Referring to fig. 6a and 6b, the wind cone assembly composed of the wind cone threaded rod 13 (with external threads thereon), the wind cone 15, and the wind cone locking mechanism 16 is installed on the threaded receiver 12 (with internal threads thereon) through thread fit. The wind cone threaded rod 13 is in threaded connection with the threaded receiver 12
The relative position between the wind cone threaded rod 13 and the threaded receiver 12 can be realized by rotating the wind cone threaded rod, and further, the gap between the wind cone 15 and the conical surface of the movable body 10 can be adjusted.
The V-shaped receiving frame 9 axially slides and radially rotates on the support sliding rod 8 to adapt to DPF carriers 14 to be cleaned of different sizes, and the DPF carriers 14 to be cleaned are concentric with the fixed body 5 through V-shaped angle adjustment of the V-shaped receiving frame 9.
The movable body 10 axially slides and locks on the bracket sliding rod 8, and can clamp the DPF carrier 14 to be cleaned.
A method for cleaning ash by using a DPF ash cleaning device comprises the following specific steps:
1) placing the DPF carrier 14 to be cleaned in a heating furnace, heating to 400 ℃, and keeping the temperature for 2 hours;
2) the ash collection chute 1 is filled with water, the depth of the ash collection chute 1 is about 2/3 of the total volume, and the water inlet valve and the water outlet valve are well closed, and the water inlet valve and the water outlet valve have no special requirements and are smaller and are not represented in the figure. The ash collecting groove 1 is internally provided with a water filter screen 2, and the exhaust pipe 4 is provided with a splash-proof baffle 3.
3) The immobile body 5 is fixed on the bracket 6 through the immobile body locking mechanism 7, and an air guide pipeline at the tail part of the immobile body 5 is arranged in an opening at the top part of the dust collecting groove 1. Sealing the contact part of the air duct and the opening of the dust collecting groove 1; adjusting the position of the bracket 6 and fixing the bracket; the position angle of the immovable body 5 is adjusted and fixed by an immovable body locking mechanism 7.
4) The V-shaped receiving frame 9 is adjusted according to the diameter and the length of the DPF carrier 14 to be cleaned. The invention needs to be adjusted for the first installation and does not need to adjust the V-shaped receiving frame 9 for the second use.
5) The wind disturbing cone 15 is fixed on the wind disturbing cone threaded rod 13 by using a wind disturbing cone locking mechanism 16.
6) The wind disturbing cone assembly consisting of the wind disturbing cone threaded rod 13, the wind disturbing cone body 15 and the wind disturbing cone body locking mechanism 16 is arranged on the threaded receiver 12 in a threaded fit manner, and the gap between the wind disturbing cone body 15 and the conical surface of the movable body 10 is adjusted to a reasonable value.
7) Placing the heated DPF carrier 14 to be cleaned on the V-shaped receiving frame 9;
8) the position of the movable body 10 is adjusted, the DPF carrier 14 to be cleaned is clamped and locked with the bracket sliding rod 8 by using the movable body locking mechanism 11.
9) Connecting an axial flow fan of additional equipment, wherein the outlet of the axial flow fan is connected to the air inlet of the movable body;
10) starting an axial flow fan, setting a gap between a wind disturbing cone 15 and a conical surface of the movable body 10 to be 10mm, and firstly removing ash on the edge of the DPF carrier 14 to be cleaned;
the air-disturbing type ash removal working principle is that the air flow rate and the blowing position are controlled by adjusting the gap between the air-disturbing cone 15 and the conical surface of the movable body 10, and because the ash content at the edge of the ash removal DPF carrier 14 is more and difficult to remove, the air flow rate at the edge can be increased by using the air-disturbing type ash removal working principle to enhance the ash removal effect; the relative position between the wind cone threaded rod 13 and the threaded receiver 12 can be realized by rotating the wind cone threaded rod, and further, the gap between the wind cone 15 and the conical surface of the movable body 10 can be adjusted.
11) The air flow speed can be gradually slowed down in the process that the gap is gradually increased, and the requirement of sweeping ash is met.
12) The clearance between the wind disturbing cone 15 and the conical surface of the movable body 10 is adjusted by rotating the wind disturbing cone threaded rod 13, and the wind disturbing cone gradually sweeps towards the central position of the DPF carrier 14 to be cleaned.
13) The blowing air provided by the axial flow fan in the ash cleaning process flows through the DPF carrier 14 to be cleaned and then enters the ash collecting groove 1 through the air duct of the immobile body 5, the hot air containing the accumulated ash is blown into the water added in the ash collecting groove 1 in advance for heat exchange and dust fall, and the gas after washing is discharged from the exhaust pipe 4 through the water filter screen 2 and the anti-splashing blocking piece 3, so that the ash cleaning pollution is eliminated.
14) The axial flow fan is suspended, the movable body locking mechanism 11 is opened, the movable body 10 is moved, and the DPF carrier to be cleaned is temporarily placed
And 14, taking down.
15) And opening the wind disturbing cone locking mechanism 16 to remove the wind disturbing cone 15 fixed on the wind disturbing cone threaded rod 13.
16) The DPF carrier 14 to be cleaned is again placed on the V-shaped receiving rack 9.
17) And adjusting the position of the movable body 10 again, clamping the DPF carrier 14 to be cleaned and locking the DPF carrier with the bracket sliding rod 8 by using a movable body locking mechanism 11.
18) And opening the axial flow fan and continuing purging.
19) And (3) after the ash removal is finished, closing the axial flow fan, opening the movable body locking mechanism 11, moving the movable body 10, and taking down the DPF carrier 14 to be subjected to ash removal.
20) And (4) treating ash-containing water in the ash collecting tank 1 without continuous ash removal requirement.
Claims (7)
1. A DPF ash removal device is characterized in that: the device comprises a dust collecting groove (1), a fixed body (5), a support (6), a fixed body locking mechanism (7), a support sliding rod (8), a V-shaped receiving frame (9), a movable body (10), a movable body locking mechanism (11), a thread receiver (12), a wind disturbing cone threaded rod (13), a wind disturbing cone (15) and a wind disturbing cone locking mechanism (16);
the air duct at the tail part of the immobile body (5) is inserted into the top of the ash collecting groove (1);
the immovable body (5) is fixed on the bracket (6) through an immovable body locking mechanism (7);
the left bracket sliding rod and the right bracket sliding rod (8) are fixed on the bracket (6) through the immovable body locking mechanism (7);
the V-shaped receiving frame (9) is installed on the support sliding rod (8) through a shaft hole in a matched mode, and the V-shaped receiving frame (9) can axially slide and radially rotate;
the movable body (10) is matched with the shaft hole of the support sliding rod (8) through a movable body locking mechanism (11) and is arranged on the support sliding rod (8), and the movable body (10) can axially slide;
the thread receiver (12) is fixed at the pipeline turning position of the movable body (10), and the thread receiver (12) is concentric with the movable body (10);
the wind disturbing cone (15) is fixed on the wind disturbing cone threaded rod (13) by using a wind disturbing cone locking mechanism (16);
the wind disturbing cone threaded rod (13) is in threaded connection with the thread receiver (12); the relative position adjustment between the wind disturbing cone threaded rod (13) and the thread receiver (12) can be realized by rotating the wind disturbing cone threaded rod (13), and further the gap adjustment between the wind disturbing cone (15) and the conical surface of the movable body (10) is realized.
2. The DPF ash removal device of claim 1, wherein:
the movable body (10) compresses the support sliding rod (8) through a bolt on the movable body locking mechanism (11), so that the movable body (10) and the support sliding rod (8) are locked.
3. The DPF ash removal device of claim 2, wherein:
the ash collecting groove (1) is provided with an exhaust pipe (4).
4. The DPF ash removal device of claim 3, wherein:
the ash collecting groove (1) is internally provided with a water filter screen (2) and a splash-proof baffle (3).
5. A method for cleaning ash by using a DPF ash cleaning device is characterized by comprising the following steps:
1) placing the DPF carrier (14) to be cleaned in a heating furnace for heating and heat preservation;
2) water is injected into the ash collecting groove (1);
3) adjusting a V-shaped receiving frame (9) according to the diameter and the length of the DPF carrier (14) to be cleaned;
4) adjusting the clearance between the wind disturbing cone (15) and the conical surface of the movable body (10);
5) placing the heated DPF carrier (14) to be cleaned on a V-shaped receiving frame (9);
6) the position of the movable body (10) is adjusted, the DPF carrier (14) to be cleaned is clamped, and the movable body locking mechanism (11) is used for realizing locking with the bracket sliding rod (8).
7) Connecting an axial flow fan of additional equipment, wherein the outlet of the axial flow fan is connected to the air inlet of the movable body;
8) opening an axial flow fan, adjusting a gap between a wind disturbing cone (15) and a conical surface of the movable body (10), controlling the blowing air flow rate and the blowing position, and removing the ash on the edge of the DPF carrier (14) to be cleaned;
9) rotating the wind disturbing cone threaded rod (13) to adjust a gap between the wind disturbing cone (15) and a conical surface of the movable body (10), and gradually blowing towards the central position of the DPF carrier (14) to be cleaned;
10) the blowing air provided by the axial flow fan flows through a DPF carrier (14) to be cleaned, enters the dust collecting tank (1) through the air duct of the immobile body (5), the hot air containing the deposited dust is blown into the dust collecting tank (1), heat exchange and dust fall are carried out in the water added in advance, the gas after washing is discharged from the exhaust pipe (4) through the water filter screen (2) and the anti-splashing blocking piece (3), and the dust cleaning pollution is eliminated.
6. The DPF ash removal device of claim 5, wherein:
the clearance between the wind disturbing cone (15) and the conical surface of the movable body (10) is set to be 10 mm.
7. The DPF ash removal device of claim 5, wherein:
the water injection depth of the ash collecting groove (1) is total volume 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010152881.4A CN111375601B (en) | 2020-03-06 | 2020-03-06 | DPF ash removal device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010152881.4A CN111375601B (en) | 2020-03-06 | 2020-03-06 | DPF ash removal device and method |
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| Publication Number | Publication Date |
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| CN111375601A true CN111375601A (en) | 2020-07-07 |
| CN111375601B CN111375601B (en) | 2021-03-26 |
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| CN202010152881.4A Active CN111375601B (en) | 2020-03-06 | 2020-03-06 | DPF ash removal device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076541A (en) * | 2020-11-16 | 2020-12-15 | 山东艾泰克环保科技股份有限公司 | Carbon removal machine for DPF |
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| CN207709471U (en) * | 2017-11-03 | 2018-08-10 | 宁波行泰环保科技有限公司 | A kind of DPF cleaning plants |
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| US20190291036A1 (en) * | 2016-02-24 | 2019-09-26 | Tistech Sprl | Filter cleaning |
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| US5616171A (en) * | 1994-01-07 | 1997-04-01 | Donaldson Company, Inc. | Pulse jet filter cleaning system |
| JP2002079202A (en) * | 2000-09-06 | 2002-03-19 | Isuzu Motors Ltd | Dpf suction/cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076541A (en) * | 2020-11-16 | 2020-12-15 | 山东艾泰克环保科技股份有限公司 | Carbon removal machine for DPF |
| CN112076541B (en) * | 2020-11-16 | 2021-02-12 | 山东艾泰克环保科技股份有限公司 | Carbon removal machine for DPF |
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| CN111375601B (en) | 2021-03-26 |
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