CN115045734A - Diesel locomotive tail gas particulate matter purifies box - Google Patents
Diesel locomotive tail gas particulate matter purifies box Download PDFInfo
- Publication number
- CN115045734A CN115045734A CN202210695525.6A CN202210695525A CN115045734A CN 115045734 A CN115045734 A CN 115045734A CN 202210695525 A CN202210695525 A CN 202210695525A CN 115045734 A CN115045734 A CN 115045734A
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- Prior art keywords
- box body
- air
- metal filter
- plate
- filter element
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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
- F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D49/00—Other details
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
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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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/16—Chambers with particular shapes, e.g. spherical
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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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
Abstract
The invention discloses a diesel locomotive tail gas particulate matter purification box body which comprises a box body assembly welding, wherein a purification device consisting of a metal filter element, an electromagnetic valve, an air cylinder, an air pipeline, a heat insulation layer and a sealing strip is arranged in the box body assembly welding; the box assembly welding comprises a cover plate, a bottom plate, a partition plate, a rain-shielding and mounting plate, a rib plate and a clamping plate which are combined to form, wherein the bottom plate bears the purifying device, the bottom plate and the cover plate are connected and mounted through the rain-shielding and mounting plate, the rain-shielding and mounting plate is fixedly connected with the cover plate through the rib plate, the cover plate covers the purifying device in the box body to form a containing space for purifying the box body, and the partition plate separates the containing space to form a front area, a middle area and a rear area. The invention has the capability of reducing the content of particulate matters in the tail gas of the locomotive diesel engine, self-cleaning capability and noise reduction capability, and can solve the problem of black smoke discharged by the diesel engine during working.
Description
Technical Field
The invention relates to the technical field of exhaust systems of internal combustion rail vehicles, in particular to a diesel locomotive tail gas particulate matter purification box body.
Background
With the stricter and stricter national and local emission regulations, the emission standard of locomotive tail gas is gradually improved, and the tail gas of diesel locomotive diesel engine needs to be improved. At present, the diesel engine tail gas after-treatment technology is successfully applied to fixed generator sets, automobiles and engineering vehicles, and the technology needs adaptive technology translation according to the special conditions of the diesel locomotive to improve the emission level of the diesel locomotive.
The invention patent application with the application number of CN202110746708.1 discloses a tail gas treatment device for an internal combustion engine, which comprises a base, wherein the upper side wall of the base is fixedly connected with a first cushion pad, the upper side wall of the first cushion pad is fixedly provided with a tail gas treatment equipment body, and the upper side wall of the base is symmetrically and fixedly connected with support columns positioned on the outer side of the first cushion pad. According to the invention, through the matched use of the first buffer pad, the limiting block, the shock absorption pad and the fillet pad, the vibration of a vehicle body is avoided, the problems of looseness, reduced air tightness, fracture and shortened service life of a connection part of the vehicle body and the tail gas treatment box caused by the vibration are solved, and the rotation direction of the stirring rod is opposite to that of the stirring rod, so that the filtrate is continuously rolled, the tail gas can be more fully contacted with the filtrate, the tail gas treatment effect is improved, and the discharge of smoke or solid particles carried in the tail gas discharge process is effectively solved. However, the technical means of reducing the content of particulate matters in the tail gas of the locomotive diesel engine and simultaneously having the self-cleaning capability and the noise reduction capability are not provided by adopting the scheme.
Disclosure of Invention
The invention aims to solve the problems, and provides a diesel locomotive exhaust particulate matter purification box body which comprises a box body assembly welding part, wherein a purification device consisting of a metal filter element, an electromagnetic valve, an air cylinder, an air pipeline, a heat insulation layer and a sealing strip is arranged in the box body assembly welding part; the box assembly welding comprises a cover plate, a bottom plate, a partition plate, a rain-shielding and mounting plate, a rib plate and a clamping plate which are combined to form, wherein the bottom plate bears the purifying device, the bottom plate and the cover plate are connected and mounted through the rain-shielding and mounting plate, the rain-shielding and mounting plate is fixedly connected with the cover plate through the rib plate, the cover plate covers the purifying device in the box body to form a containing space for purifying the box body, and the partition plate separates the containing space to form a front area, a middle area and a rear area. The invention has the capability of reducing the content of particulate matters in the tail gas of the locomotive diesel engine, self-cleaning capability and noise reduction capability, and can effectively solve the problem of black smoke discharged by the diesel engine during working.
The technical scheme adopted by the invention is as follows:
the invention discloses a diesel locomotive tail gas particulate matter purification box body which comprises a box body assembly welding, wherein a purification device consisting of a metal filter element, an electromagnetic valve, an air cylinder, an air pipeline, a heat insulation layer and a sealing strip is arranged in the box body assembly welding; the box assembly welding comprises a cover plate, a bottom plate, a partition plate, a rain-shielding and mounting plate, a rib plate and a clamping plate which are combined to form, wherein the bottom plate bears the purifying device, the bottom plate and the cover plate are connected and mounted through the rain-shielding and mounting plate, the rain-shielding and mounting plate is fixedly connected with the cover plate through the rib plate, the cover plate covers the purifying device in the box body to form a containing space for purifying the box body, and the partition plate separates the containing space to form a front area, a middle area and a rear area.
Furthermore, a metal filter element is arranged in the middle area of the assembly welding of the box body, and the metal filter element is horizontally and longitudinally inserted into the purification box body; metal filter includes sealing washer, ring flange and metal filter screen, the ring flange sets up in metal filter's tip, through the ring flange, metal filter with the cardboard is connected.
Further, the tail gas particles of the internal combustion engine enter the purifying box body through an air inlet of the purifying box body, and the metal filter element filters the tail gas particles and blocks the tail gas particles in a front area of the box body in assembly welding; the tail gas particles generate purified gas through the metal filter element, and the purified gas is discharged through an exhaust port of the purifying box body; the bottom of the purifying box body is provided with a dust exhaust port, and waste materials generated in the purifying box body are exhausted out of the purifying box body through the dust exhaust port.
Furthermore, the middle area of the box body assembly welding comprises a transition area, an air pipeline is arranged in the transition area, and the metal filter element is connected with the electromagnetic valve and the air cylinder in the area after the box body assembly welding through the air pipeline.
Furthermore, the air cylinder comprises a cylinder body, a mounting seat, an air cylinder air outlet and an air cylinder air inlet, the air cylinder air blowing port comprises a first air cylinder air outlet and a second air cylinder air outlet which are arranged from top to bottom, and the first air cylinder air outlet and the second air cylinder air outlet are right opposite to the central areas of the upper air vent and the lower air vent of the end face of the metal filter element through air pipelines.
Furthermore, an exhaust port of the purifying box body is arranged at the upper part of the transition area, and a water outlet of the purifying box body is arranged at the lower part of the transition area.
Further, be provided with the sealing strip separation rainwater in keeping off the rain and the mounting panel and get into the purification box, the sealing strip is integrated structure as an organic whole with the purification box.
Further, an access cover is arranged to cover the purification device, and the access cover forms a top protection structure of the purification box body; and the bottom and the side surface of the box body assembly welding are covered by a heat insulation layer.
The invention discloses a back flushing structure applied to a tail gas particulate matter purification box body of an internal combustion engine, which comprises an air cylinder, wherein a first air cylinder air outlet and a second air cylinder air outlet of the air cylinder are over against the middle area of an upper air vent and a lower air vent of the end surface of a metal filter element through air pipelines, and an electromagnetic valve is arranged on an air pipeline connected with the first air cylinder air outlet and the second air cylinder air outlet.
Furthermore, the back-blowing structure comprises a sealing structure and a sealing gasket, when the electromagnetic valve is in an open state, the high-pressure air pressure in the air pipeline is greater than the exhaust pressure, the high-pressure air pressure pushes the sealing structure to the end face of the metal filter element to be close to the metal filter element, and the high-pressure air pressure simultaneously discharges high-pressure gas into the metal filter element through the air hole in the sealing structure; when the electromagnetic valve is in a closed state, no air pressure exists in the air pipeline, the air is exhausted to push the sealing structure open, and the waste gas is exhausted out of the purifying box body.
The invention has the following technical effects:
the invention discloses a diesel locomotive tail gas particle purifying box body, which effectively reduces the content of particles in the tail gas of an internal combustion engine by filtering, collecting and centralizing the particles in the tail gas of the locomotive, so as to solve the problem that the content of the particles in the tail gas exceeds the standard and reduce the smoke intensity of the tail gas, eliminate black smoke generated in the running of the diesel locomotive and ensure that the tail gas emission level of a diesel engine of the locomotive reaches the national emission standard.
The method comprises the following specific steps:
1. the invention reduces the content of particulate matters in the tail gas of the internal combustion engine and eliminates black smoke generated by the internal combustion engine in the running process.
2. The invention solves the problem that the post-processing box body is ultrahigh at the roof.
3. The invention realizes the installation and replacement of the metal filter element.
4. The invention improves the dust removal effect of the back flushing system.
5. The invention reduces the exhaust noise of the diesel locomotive.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of the present invention;
FIG. 3 is a schematic view of the box assembly welding structure of the present invention;
FIG. 4 is a schematic view of a metal filter element according to the present invention;
FIG. 5 is a schematic view of the reservoir configuration of the present invention;
FIG. 6 is a schematic diagram of a blowback configuration of the present invention;
the labels in the figure are: 1-box assembly welding, 101-cover plate, 102-bottom plate, 103-partition plate, 104-rain-proof and mounting plate, 105-rib plate, 106-clamping plate, 2-metal filter element, 201-sealing ring, 202-flange plate, 203-metal filter screen, 3-electromagnetic valve, 4-air cylinder, 401-cylinder body, 402-mounting seat, 403-air cylinder air inlet, 404-first air cylinder air outlet, 405-second air cylinder air outlet, 5-air pipeline, 6-access cover, 7-heat insulation layer, 8-sealing strip, 9-air inlet, 10-air outlet, 11-dust outlet, 12-water outlet, 13-sealing structure and 14-sealing gasket.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
In the embodiment, the adopted data is a preferred scheme, but is not used for limiting the invention;
example 1
As shown in fig. 1 to 6, the embodiment provides a diesel locomotive exhaust particulate matter purification box, which comprises a box assembly welding, wherein a purification device composed of a metal filter element, an electromagnetic valve, an air cylinder, an air pipeline, a heat insulation layer and a sealing strip is arranged in the box assembly welding; the box body assembly welding comprises a cover plate, a bottom plate, a partition plate, a rain shielding and mounting plate, a rib plate and a clamping plate which are combined, wherein the bottom plate bears the purifying device, the bottom plate and the cover plate are connected and mounted through the rain shielding and mounting plate, the rain shielding and mounting plate is fixedly connected with the cover plate through the rib plate, the cover plate covers the purifying device in the box body to form an accommodating space of the purifying box body, and the partition plate partitions the accommodating space to form a front area, a middle area and a rear area; the purifying box body is arranged at the top of the locomotive power room, has the capacity of reducing the content of particulate matters in the tail gas of the locomotive diesel engine, the self-cleaning capacity and the noise reduction capacity, and solves the problem that the diesel engine emits black smoke.
In this embodiment, in order to realize that the aftertreatment box body can be installed on top of the locomotive and not exceed the upper limit of the locomotive, the overall height of the purification box body after installation needs to be reduced, as shown in fig. 3, the purification box body is arranged to be wedged, and then rain shielding, an installation plate and a rib plate are arranged in the middle of the purification box body.
In this embodiment, as shown in fig. 3 and 4, a metal filter element is disposed in the middle area of the assembly welding of the tank body, the metal filter element is horizontally placed and longitudinally inserted into the purification tank body, and the insertion direction of the metal filter element is the B direction in fig. 3; metal filter includes sealing washer, ring flange and metal filter screen, the ring flange sets up in metal filter's tip, through the ring flange, metal filter with the cardboard is connected. As shown in figure 4, the locomotive tail gas enters from the metal filter screen of the metal filter element, and is purified and filtered, and the purified gas is discharged from the vent hole on the connecting end surface of the metal filter element and the transition area.
Further, in order to realize that the metal filter element can have the dust removing capacity of automatic soot blowing, the metal filter element is horizontally arranged, and the length of the metal filter element is 500-1000 mm; the existing longitudinal installation structures are all installed in the longitudinal direction of the metal filter element; the embodiment adopts the technical scheme, realizes the installation or the taking out of the metal filter element in the radial direction, namely the metal is filled up and down to be installed, and the problem that no enough space is available in the longitudinal direction for installation or taking out is solved.
In the embodiment, the exhaust particles of the internal combustion engine enter the purifying box body through the air inlet of the purifying box body, and the metal filter element filters the exhaust particles and prevents the exhaust particles from being in the front area of the assembly welding of the box body; the tail gas particles generate purified gas through the metal filter element, and the purified gas is discharged through an exhaust port of the purifying box body; the bottom of the purifying box body is provided with a dust exhaust port, and waste materials generated in the purifying box body are exhausted out of the purifying box body through the dust exhaust port.
In this embodiment, the middle area of the assembly welding of the box body comprises a transition area, an air pipeline is arranged in the transition area, and the metal filter element is connected with the electromagnetic valve and the air cylinder in the area after the assembly welding of the box body through the air pipeline; the air cylinder has the capacity of storing air with certain pressure and is used for blowing particles on the surface of the metal filter element; furthermore, the air cylinder comprises a cylinder body, a mounting seat, an air cylinder air outlet and an air cylinder air inlet, the air cylinder air blowing port comprises a first air cylinder air outlet and a second air cylinder air outlet which are arranged from top to bottom, and the first air cylinder air outlet and the second air cylinder air outlet are right opposite to the central areas of the upper air vent and the lower air vent of the end face of the metal filter element through air pipelines.
In this embodiment, as shown in fig. 5, the air filter includes a plurality of first reservoir air outlets and a plurality of second reservoir air outlets, which are matched in number, the first reservoir air outlets are disposed at the upper portions of the reservoirs, the second reservoir air outlets are disposed below the first reservoir air outlets, and the plurality of first reservoir air outlets and the plurality of second reservoir air outlets are equidistantly arranged in the reservoir and directly face the end face of the metal filter element through air pipelines.
In this embodiment, the upper portion of the transition region is provided with an exhaust port of the purification box, and the lower portion of the transition region is provided with a drain port of the purification box.
In this embodiment, the purification box is suitable for an internal combustion locomotive and is arranged on the top of the locomotive. The metal filter element is arranged in a guide rail of the box body assembly welding clamping plate through flange plates at two ends, the electromagnetic valve, the air cylinder and the air pipeline are arranged in a rear area of the box body assembly welding, then the access cover is covered, and finally the bottom and the side of the box body assembly welding are covered by heat insulation layers to form the purification box body through assembly.
Further, when the locomotive runs, diesel engine exhaust enters from an air inlet of the purification box body, is discharged from an air outlet of the purification box body through the metal filter element, isolates particulate matters in a front area of the assembly welding of the box body, and is finally discharged through a dust discharge port at the bottom of the box body, and rainwater entering from an exhaust port of the purification box body can be discharged through a water discharge hole at the bottom of the box body.
Example 2
The embodiment provides a diesel locomotive exhaust particulate matter purification box body, which comprises a box body assembly welding, wherein a purification device consisting of a metal filter element, an electromagnetic valve, an air cylinder, an air pipeline, a heat insulation layer and a sealing strip is arranged in the box body assembly welding; the box assembly welding comprises a cover plate, a bottom plate, a partition plate, a rain shielding and mounting plate, a rib plate and a clamping plate which are combined to form, wherein the bottom plate bears the purifying device, the bottom plate and the cover plate are connected and mounted through the rain shielding and mounting plate, the rain shielding and mounting plate are fixedly connected with the cover plate through the rib plate, the cover plate covers the purifying device in the box body to form a containing space for purifying the box body, and the partition plate partitions the containing space to form a front area, a middle area and a rear area.
In the embodiment, the embodiment discloses a blowback structure applied to a tail gas particulate matter purification box body of an internal combustion engine, which comprises an air cylinder, wherein a first air cylinder air outlet and a second air cylinder air outlet of the air cylinder are over against the central areas of an upper air vent and a lower air vent of the end surface of a metal filter element through air pipelines, and an electromagnetic valve is arranged on the air pipeline connected with the first air cylinder air outlet and the second air cylinder air outlet; the back blowing structure has the capacity of outputting air with certain pressure.
In this embodiment, the blowback structure includes an electronic component and a controller disposed in the rear region of the purification box body, and the transition region is spaced to avoid contact with the high-temperature gas exhaust; simultaneously the reservoir includes the reservoir air inlet, through the reservoir air inlet for the back region is the same with the outside air, has the effect of further reducing back region temperature.
In this embodiment, the back-flushing structure includes a sealing structure and a sealing gasket, and the structure is configured to have the capability of sealing the end face of the air outlet of the metal filter element;
as shown in fig. 6, the gas outlet of the second reservoir is connected to the end surface of the metal filter element, and is in an open state of the electromagnetic valve, at this time, the high-pressure air pressure in the air pipeline is greater than the exhaust pressure, the high-pressure air pressure pushes the sealing structure to the end surface of the metal filter element to be close, and the high-pressure air pressure discharges high-pressure gas into the metal filter element through the gas hole on the sealing structure;
as shown in fig. 6, when the air outlet of the first reservoir is connected to the end surface of the metal filter element, and the electromagnetic valve is closed, no air pressure exists in the air pipeline, and the exhaust pushes away the sealing structure to discharge the exhaust gas to the outside of the purification box body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The diesel locomotive tail gas particulate matter purification box body is characterized by comprising a box body assembly welding part (1), wherein a purification device consisting of a metal filter element (2), an electromagnetic valve (3), an air cylinder (4) and an air pipeline (5) is arranged in the box body assembly welding part (1); the box assembly welding (1) comprises a cover plate (101), a bottom plate (102), a partition plate (103), a rain shielding and mounting plate (104), a rib plate (105) and a clamping plate (106) which are combined to form, the bottom plate (102) bears the purifying device, the bottom plate (102) and the cover plate (101) are connected and mounted through the rain shielding and mounting plate (104), the rain shielding and mounting plate (104) is fixedly connected with the cover plate (101) through the rib plate (105), the cover plate (101) covers the purifying device in the purifying box body to form an accommodating space of the purifying box body, and the partition plate (103) separates the accommodating space to form a front area, a middle area and a rear area.
2. The diesel locomotive exhaust particulate matter purifying box body according to claim 1, characterized in that a metal filter element (2) is arranged in the middle area of the box body assembly welding (1), and the metal filter element (2) is horizontally placed and longitudinally inserted into the purifying box body; metal filter core (2) include sealing washer (201), ring flange (202) and metal filter screen (203), ring flange (202) set up in the tip of metal filter core (2), through ring flange (202), metal filter core (2) with cardboard (106) are connected.
3. The diesel locomotive exhaust particles purification box body according to claim 2, wherein the diesel locomotive exhaust particles enter the purification box body through an air inlet (9) of the purification box body, and the metal filter element (2) filters the exhaust particles and blocks the exhaust particles in the front area of the box body assembly welding (1); the tail gas particles generate purified gas through the metal filter element (2), and the purified gas is discharged through an exhaust port (10) of the purifying box body; the bottom of the purifying box body is provided with a dust exhaust port (11), and waste materials generated in the purifying box body are exhausted out of the purifying box body through the dust exhaust port (11).
4. The diesel locomotive exhaust particulate matter purification box body according to claim 3, characterized in that the middle region of the box body assembly welding (1) comprises a transition region, an air pipeline (5) is arranged in the transition region, and the metal filter element (2) is connected with the electromagnetic valve (3) and the air cylinder (4) in the box body assembly welding region through the air pipeline (5).
5. The diesel locomotive tail gas particulate matter purification box body according to claim 4, characterized in that the air cylinder (4) comprises a cylinder body (401), a mounting seat (402), an air cylinder air outlet and an air cylinder air inlet (403), the air cylinder air outlet comprises a first air cylinder air outlet (404) and a second air cylinder air outlet (405) which are arranged up and down, and the first air cylinder air outlet (404) and the second air cylinder air outlet (405) are opposite to the upper and lower air vent central areas of the end surface of the metal filter element (2) through an air pipeline (5).
6. The diesel locomotive exhaust particulate purification box body according to claim 5, wherein an exhaust port (10) of the purification box body is arranged at the upper part of the transition region, and a water outlet (12) of the purification box body is arranged at the lower part of the transition region.
7. The diesel locomotive exhaust particulate matter purifying box body according to claim 1 or 6, characterized in that a sealing strip (8) is arranged in the rain shielding and mounting plate (104) to prevent rainwater from entering the purifying box body, and the sealing strip (8) and the purifying box body are integrated into a whole structure.
8. The diesel locomotive exhaust particulate matter purifying box body according to claim 7, characterized in that an access cover (6) is arranged to cover the purifying device, and the access cover (6) forms a top protection structure of the purifying box body; and the bottom and the side surface of the box body assembly welding (1) are covered by a heat insulation layer (7).
9. The utility model provides a be applied to blowback structure of diesel locomotive tail gas particulate matter purification box, its characterized in that, includes reservoir (4), first reservoir gas outlet (404) and second reservoir gas outlet (405) of reservoir (4) are just to the upper and lower blow vent central zone of metal filter element (2) terminal surface through air pipeline (5), be provided with solenoid valve (3) on air pipeline (5) that first reservoir gas outlet (404) and second reservoir gas outlet (405) are connected.
10. The blowback structure applied to the exhaust gas particulate matter purification box body of the internal combustion engine as claimed in claim 9, wherein the blowback structure comprises a sealing structure (13) and a sealing gasket (14), the electromagnetic valve (3) is in an open state, the air pressure in the air pipeline (5) is greater than the exhaust pressure, the air pressure pushes the sealing structure (13) to the end face of the metal filter element (2) to be attached tightly, and the air pressure simultaneously discharges gas into the metal filter element (2) through the vent hole on the sealing structure (13); when the electromagnetic valve (3) is in a closed state, no air pressure exists in the air pipeline (5), the air is exhausted to push the sealing structure (13) open, and the exhaust gas is exhausted out of the purifying box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695525.6A CN115045734A (en) | 2022-06-20 | 2022-06-20 | Diesel locomotive tail gas particulate matter purifies box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695525.6A CN115045734A (en) | 2022-06-20 | 2022-06-20 | Diesel locomotive tail gas particulate matter purifies box |
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| Publication Number | Publication Date |
|---|---|
| CN115045734A true CN115045734A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210695525.6A Pending CN115045734A (en) | 2022-06-20 | 2022-06-20 | Diesel locomotive tail gas particulate matter purifies box |
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| CN (1) | CN115045734A (en) |
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