CN217300683U - Exhaust particulate matter purification system applied to high-power diesel engine - Google Patents
Exhaust particulate matter purification system applied to high-power diesel engine Download PDFInfo
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- CN217300683U CN217300683U CN202221448127.6U CN202221448127U CN217300683U CN 217300683 U CN217300683 U CN 217300683U CN 202221448127 U CN202221448127 U CN 202221448127U CN 217300683 U CN217300683 U CN 217300683U
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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
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Abstract
The utility model relates to an exhaust-gas treatment technical field particularly relates to be applied to high-power diesel engine tail gas particulate matter clean system, include: the filter box body is provided with an air inlet and an air outlet, a filter carrier is arranged in the filter box body, so that air passing through the filter box body is filtered by the filter carrier, one side of the filter carrier, which is close to the air inlet, is defined as a first space, and one side of the filter carrier, which is close to the air outlet, is defined as a second space; two air pressure sensors. The utility model discloses be equipped with the bypass pipe in one side of filtering the box, be equipped with particulate matter collection device in the bottom of filtering the box, utilize pressure sensor to detect the pressure differential around the filtration carrier, when pressure differential surpassed the default, judge the jam of filtering the carrier, make the exhaust discharge from the bypass pipe to utilize high-pressure gas to carry out the back flush to the filtration carrier, the particulate matter that will wash is collected in the particulate matter collection device, in order to realize accomplishing the clearance to the filtration carrier under the non-stop state.
Description
Technical Field
The utility model relates to an exhaust-gas treatment technical field particularly relates to be applied to high-power diesel engine tail gas particulate matter clean system.
Background
In recent years, with the implementation of "air pollution control action plan", the treatment of the exhaust emission of diesel engines is being developed and implemented in more and more areas. Aiming at the increasing pollution of diesel exhaust to the environment, multiple experts and environmental protection organizations call for setting and implementing a 'clean engine action plan' as soon as possible in China, implement more strict discharge standards of diesel vehicles, non-road machines and ships, promote the cleanness of diesel oil products and accelerate the process of preventing and controlling the atmospheric pollution in cities in China.
Through the analysis of enterprises and institutions in the same field at home and abroad, the engine exhaust particulate matter treatment system becomes a main way and development direction for the after-treatment of medium and large-sized functional engine exhaust. Engine exhaust gets into the carrier, and after the carrier can filter the particulate matter, will exhaust the atmosphere in, the carrier can take place to block up after long-time operation.
SUMMERY OF THE UTILITY MODEL
The defect and not enough to exhaust gas purification device among the prior art, the utility model aims to provide a filter carrier can be cleared up through the back flush according to the jam condition of filter carrier to keep the filter effect.
The utility model provides a be applied to high-power diesel engine tail gas particulate matter clean system, include:
the filter box body is provided with an air inlet and an air outlet, a filter carrier is arranged in the filter box body, so that air passing through the filter box body is filtered by the filter carrier, one side of the filter carrier, which is close to the air inlet, is defined as a first space, and one side of the filter carrier, which is close to the air outlet, is defined as a second space;
two air pressure sensors, a first air pressure sensor is arranged in the first space, a second air pressure sensor is arranged in the second space, and the two air pressure sensors are used for detecting the pressure difference between the first space and the second space;
the first end of the bypass pipe is communicated with the air inlet of the filtering box body, the second end of the bypass pipe is communicated with the air outlet of the filtering box body, and a bypass valve is arranged on the bypass pipe;
a high pressure gas tank connected to the second space through a solenoid valve;
a controller;
a particulate matter collecting device connected to the first space;
wherein the controller is configured to control the bypass valve to open when the pressure difference detected by the two air pressure sensors exceeds a preset value, and the exhaust gas is circulated by the bypass pipe; and the electromagnetic valve is opened, the high-pressure gas storage tank releases high-pressure gas to the second space, and the particulate matters on the filter carrier are flushed into the particulate matter collecting device.
Preferably, the high-pressure air storage tank is connected to the second space through an air blowing pipe, and the electromagnetic valve is connected to the air blowing pipe and used for controlling the on-off of the air blowing pipe.
Preferably, the solenoid valve controls the gas in the high pressure gas tank to enter the second space in a pulse manner.
Preferably, the particulate matter collecting device comprises a dust hopper, a dust collecting pipe, a dust collecting bag and a shut-off valve arranged on the dust collecting pipe, and the dust hopper is arranged below the filtering box body.
Preferably, the dust hopper is positioned on one side of the filter carrier close to the exhaust port.
Preferably, the filter support comprises a honeycomb ceramic support.
Preferably, the air inlet and the air outlet of the filter box body are provided with valves, and the bypass pipe crosses over the two valves.
Preferably, the valves of the inlet and outlet ports are arranged to close when the bypass valve is open.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses be equipped with the bypass pipe in one side of filtering the box, be equipped with particulate matter collection device in the bottom of filtering the box, utilize pressure sensor to detect the pressure differential around the filtration carrier, when pressure differential surpassed the default, judge the jam of filtering the carrier, make the exhaust discharge from the bypass pipe to utilize high-pressure gas to carry out the back flush to the filtration carrier, the particulate matter that will wash is collected in the particulate matter collection device, in order to realize accomplishing the clearance to the filtration carrier under the non-stop state.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a system for purifying particulate matters in exhaust gas of a high-power diesel engine, shown in the utility model;
FIG. 2 is a schematic diagram of exhaust gas flowing through a bypass pipe in an exhaust gas particulate purification system for a high power diesel engine according to the present invention;
fig. 3 is a schematic diagram of high pressure gas backwash in a system for purifying particulate matter in exhaust gas from a high-power diesel engine according to the present invention.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
Example 1
The utility model provides a be applied to high-power diesel engine tail gas particulate matter clean system, it is main including filtering box 1, bypass pipe 2, high-pressure gas holder 3 and particulate matter collection device, detect the pressure differential of filtering carrier 4 back and forth through pressure sensor, judge the jam condition of filtering carrier 4, when pressure differential surpasses the default, discharge from bypass pipe 2 through control gas, and utilize the 3 back flush modes of high-pressure gas holder to realize incessant clearance filtering carrier 4, in order to reach the filterable mesh of continuation.
Referring to fig. 1, a filter housing 1 having an inlet 11 and an outlet 12 is provided with a filter carrier 4 in the filter housing 1, such that gas passing through the filter housing 1 is filtered by the filter carrier 4, a side of the filter carrier 4 near the inlet 11 is defined as a first space, and a side of the filter carrier 4 near the outlet 12 is defined as a second space.
Optionally, the filter carrier 4 comprises a honeycomb ceramic carrier.
Further, in order to judge the clogging of the filter carrier 4, the pressure difference between the first space and the second space is detected using two air pressure sensors, wherein the first air pressure sensor 13 is provided to the first space and the second pressure sensor 16 is provided to the second space for detecting the pressure difference between the first space and the second space.
Optionally, the first pressure sensor 13 and the second pressure sensor 16 are connected to the controller, and when the differential pressure exceeds 15kpa, it is determined that the valve is blocked, wherein the value of the differential pressure can be set by a worker according to actual conditions.
Further, as shown in fig. 1, a first end of the bypass pipe 2 is communicated with the air inlet 11 of the filter box 1, a second end of the bypass pipe 2 is communicated with the air outlet 12 of the filter box 1, a bypass valve 21 is disposed on the bypass pipe 2, the bypass valve 21 can control the air flow flowing through the bypass pipe 2, and the bypass valve 21 can be selected as an electromagnetic valve, which is beneficial to the electric control operation through a controller.
Further, the high-pressure air storage tank 3 is connected to the second space through an electromagnetic valve, specifically, an air blowing pipe 31 is arranged between the high-pressure air storage tank 3 and the filtering tank body 1, an exhaust end of the air blowing pipe 31 is connected to the second space, and the electromagnetic valve is connected to the air blowing pipe 31 and used for controlling the on-off of the air blowing pipe 31.
Alternatively, the high pressure gas tank 3 may be charged by a compressor and maintained in a high pressure state.
In a particular embodiment, the controller is arranged to control the bypass valve 21 to open when the differential pressure detected by the two barometric pressure sensors 13, 16 exceeds a preset value, the exhaust gas being circulated by the bypass pipe 2; the solenoid valve is opened, and high-pressure gas holder 3 releases high-pressure gas to the second space, and at this moment, the pressure in the second space is greater than the pressure in the first space, and the air current is the reverse through the filter carrier, washes the particulate matter on the filter carrier to the particulate matter collection device in.
In the preferred embodiment, a solenoid valve controls the gas in the high pressure gas tank 3 to pulse into the second space.
Further, the particulate matter collecting means includes a dust hopper 5, a dust collecting pipe, a dust bag 52, and a shut-off valve 51 provided to the dust collecting pipe, the dust hopper 5 being provided to the lower side of the filter housing 1.
In this manner, during the backwashing, the shut-off valve 51 is opened, and the particulate matter blown off from the filter support 4 passes through the dust hopper 5 and enters the dust bag 52 to be collected.
Preferably, the dust hopper 5 is located on one side of the filter carrier 4 near the exhaust port 12, and the diameter of the dust hopper 5 covers the area on the left side of the filter carrier 4, so that blown particles can all fall into the dust hopper 5.
Example 2
Different from embodiment 1, because the air pressure of the air inlet 11 is unstable due to the back flush and has an influence on the engine exhaust, valves, a first valve 15 and a second valve 16, are provided at the air inlet 11 and the air outlet 12 of the filtering case 1, wherein the by-pass pipe 2 crosses the two valves, i.e., the air inlet of the by-pass pipe 2 is located at the air inlet side of the first valve 15, and the air outlet of the by-pass pipe 2 is located at the air outlet side of the second valve 16.
Preferably, the valves of the intake port 11 and the exhaust port 12 are set to be closed when the bypass valve 21 is opened. Thus, pressure fluctuations caused to the air inlet 11 by backwashing can be avoided.
Referring to fig. 2, when the first valve 15 and the second valve 16 are closed and the air inlet 11, the bypass pipe 2, and the air outlet 12 form a passage separated from the space inside the filter housing 1, referring to fig. 3, the high pressure air container 3, the air blowing pipe 31, the second space, the filter carrier 4, the first space, and the particulate matter collecting means form another independent passage.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The present invention is well known in the art and can be modified and decorated without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a be applied to high-power diesel engine exhaust particulate matter clean-up system which characterized in that includes:
the filter box body (1) is provided with an air inlet (11) and an air outlet (12), a filter carrier (4) is arranged in the filter box body (1), so that air passing through the filter box body (1) is filtered by the filter carrier (4), one side of the filter carrier (4) close to the air inlet (11) is defined as a first space, and one side of the filter carrier (4) close to the air outlet (12) is defined as a second space;
two air pressure sensors, a first air pressure sensor (13) is provided to the first space, a second pressure sensor (16) is provided to the second space, for detecting a pressure difference between the first space and the second space;
the first end of the bypass pipe (2) is communicated with the air inlet (11) of the filtering box body (1), the second end of the bypass pipe is communicated with the air outlet (12) of the filtering box body (1), and a bypass valve (21) is arranged on the bypass pipe (2);
a high pressure gas tank (3) connected to the second space through a solenoid valve;
a controller;
a particulate matter collection device connected to the first space;
wherein the controller is arranged to control the bypass valve (21) to open when the pressure difference detected by the two air pressure sensors exceeds a preset value, and the exhaust gas is circulated by the bypass pipe; and the electromagnetic valve is opened, the high-pressure gas storage tank releases high-pressure gas to the second space, and the particulate matters on the filter carrier are flushed into the particulate matter collecting device.
2. The exhaust gas particulate matter purification system applied to the high-power diesel engine as defined in claim 1, wherein the high-pressure air storage tank is connected to the second space through an air blowing pipe (31), and the electromagnetic valve is connected to the air blowing pipe (31) and is used for controlling the on-off of the air blowing pipe (31).
3. The exhaust gas particulate matter purification system applied to the high-power diesel engine as recited in claim 1, wherein said solenoid valve controls the gas in the high-pressure gas storage tank (3) to enter the second space in a pulse manner.
4. The exhaust gas particulate matter purification system applied to the high-power diesel engine as recited in claim 1, characterized in that the particulate matter collecting device comprises a dust hopper (5), a dust collecting pipe, a dust collecting bag (52) and a shut-off valve (51) arranged on the dust collecting pipe, wherein the dust hopper (5) is arranged below the filter box body (1).
5. The exhaust gas particulate matter purification system applied to the high-power diesel engine as recited in claim 4, characterized in that the dust hopper (5) is positioned on one side of the filter carrier (4) close to the exhaust port (12).
6. The system for purifying particulate matter from exhaust gas of a high-power diesel engine according to claim 1, wherein the filter carrier (4) comprises a honeycomb ceramic carrier.
7. The exhaust gas particulate matter purification system applied to the high-power diesel engine as recited in any one of claims 1-6, characterized in that the air inlet (11) and the air outlet (12) of the filter box body (1) are provided with valves, and the bypass pipe (2) spans two valves.
8. The exhaust gas particulate matter purification system for high-power diesel engines of claim 7, characterized in that the valves of the inlet (11) and the outlet (12) are arranged to close when the bypass valve (21) is open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221448127.6U CN217300683U (en) | 2022-06-11 | 2022-06-11 | Exhaust particulate matter purification system applied to high-power diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221448127.6U CN217300683U (en) | 2022-06-11 | 2022-06-11 | Exhaust particulate matter purification system applied to high-power diesel engine |
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| CN217300683U true CN217300683U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221448127.6U Active CN217300683U (en) | 2022-06-11 | 2022-06-11 | Exhaust particulate matter purification system applied to high-power diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294255A (en) * | 2023-05-12 | 2023-06-23 | 山东省地矿工程集团有限公司 | Anti-blocking geothermal tail water recharging device |
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2022
- 2022-06-11 CN CN202221448127.6U patent/CN217300683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294255A (en) * | 2023-05-12 | 2023-06-23 | 山东省地矿工程集团有限公司 | Anti-blocking geothermal tail water recharging device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 211100 room 708, Haitong building, No. 100, Qinhuai Road, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee after: Nanjing Hanshen Material Technology Co.,Ltd. Address before: 211100 building D1, Jima Industrial Park, 669 Jiangjun Avenue, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING IKE CARTER EMISSION TECHNOLOGY CO.,LTD. |
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