CN218971286U

CN218971286U - Novel exhaust chimney device of tail gas purifier for fuel oil train

Info

Publication number: CN218971286U
Application number: CN202320107845.5U
Authority: CN
Inventors: 朱荣生; 王顺达; 李胜; 蔡春香; 荣弋然
Original assignee: Wuxi Longsheng Rail Technology Co ltd
Current assignee: Wuxi Longsheng Rail Technology Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-05-05
Anticipated expiration: 2033-02-03

Abstract

The utility model provides a novel exhaust chimney device of a tail gas purifier for a fuel oil train, which relates to the technical field of locomotive aftertreatment emission and comprises a chimney, a sleeve, a rotating shaft and a rain-proof plate, wherein the chimney extends horizontally in a long shape; the bottom of the chimney is provided with an air inlet; one side of the chimney along the length direction is provided with an air outlet; the top plate of the chimney and a side plate of the chimney along the length direction are integrally formed into a guide plate; the deflector is inclined upwards; two ends of the rotating shaft are respectively fixed on side plates of the chimney; the sleeve is sleeved on the rotating shaft; one side edge of the rain-proof plate is fixed on the sleeve, and the other opposite side edge passes through the air outlet and is lapped on the lower end of the air outlet; one side of the rain-proof plate close to the rotating shaft is higher than the bottom of the air outlet. The utility model can solve the problem of insufficient rain and sand prevention effects of the chimney in the windy weather in the prior art, and has the beneficial effects of reducing the back pressure of the chimney on the increase of exhaust emission and reducing the possibility of rainwater entering the locomotive in windy weather.

Description

Novel exhaust chimney device of tail gas purifier for fuel oil train

Technical Field

The utility model relates to the technical field of locomotive aftertreatment emission, in particular to an exhaust chimney device of a novel tail gas purifier for a fuel oil train.

Background

At present, in order to prevent rainwater, dust and the like from flowing backward into a chimney, a mode of adding a rain cover at the top of the chimney is generally adopted, so that the tail gas is discharged from openings at two sides of the chimney, such as an integrated chimney for a rail locomotive disclosed in the patent application No. 202221976925.6 of China, two inclined top plates play a role in rain protection and flow guide at the top of the chimney, and the tail gas is discharged from air outlets formed on opposite sides of the chimney, so that a certain rain protection effect can be achieved, but in the weather of strong wind or storm, the rainwater, dust and the like can be poured into a pipeline from the air outlets at two sides to affect normal work, so that the rain cover and the rain protection effect of the chimney only at the top is insufficient.

Disclosure of Invention

Aiming at the problems, the exhaust chimney device of the novel tail gas purifier for the fuel oil train can solve the problems, and achieves the beneficial effects of reducing back pressure of the chimney on the increase of tail gas discharge and reducing the possibility of rainwater entering the locomotive in windy weather.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an exhaust chimney device of a novel tail gas purifier for a fuel oil train, which is characterized by comprising a chimney, a sleeve, a rotating shaft and a rain-proof plate, wherein the chimney extends along a long horizontal line; the bottom of the chimney is provided with an air inlet; an air outlet is formed in one side of the chimney along the length direction; the top plate of the chimney and a side plate of the chimney along the length direction are integrally formed to form a guide plate; the guide plate is inclined upwards along the length direction of the chimney; the rotating shaft is arranged in the chimney along the length direction of the chimney; the two ends of the rotating shaft are respectively fixed on the side plates of the chimney; the sleeve is sleeved on the rotating shaft; one side edge of the rainproof plate is fixed on the sleeve, and the other opposite side edge passes through the air outlet and is lapped on the lower end of the air outlet; one side of the rain-proof plate, which is close to the rotating shaft, is higher than the bottom of the air outlet.

According to the exhaust chimney device of the novel tail gas purifier for the fuel oil train, preferably, the included angle between the side plate of the chimney along the length direction and the end face of the air inlet is smaller than 90 degrees; the included angle between the top plate and the side plate facing the air inlet is an obtuse angle smaller than 180 degrees.

The exhaust chimney device of the novel tail gas purifier for the fuel oil train provided by the utility model is characterized in that preferably, the air inlet end of the chimney is provided with a flange connection structure.

According to the exhaust chimney device of the novel tail gas purifier for the fuel oil train, preferably, a downward inclined turning plate is arranged on one side edge of the rainproof plate away from the rotating shaft; the turning plate and the rain-proof plate are integrally formed.

The utility model provides an exhaust chimney device of a novel tail gas purifier for a fuel oil train, which preferably further comprises a plurality of support plates; all the supporting plates are uniformly and vertically distributed in the chimney to support the guide plate.

The utility model provides an exhaust chimney device of a novel tail gas purifier for a fuel oil train, which preferably further comprises a reverse rainproof plate; the reverse rainproof plate is horizontally arranged around the air outlet of the chimney; the periphery of the reverse rainproof plate is provided with a circle of baffle which is turned down.

According to the exhaust chimney device of the novel tail gas purifier for the fuel oil train, preferably, the two opposite side plates of the chimney are provided with the hanging ring devices.

The technical scheme has the following advantages or beneficial effects:

the utility model provides an exhaust chimney device of a novel tail gas purifier for a fuel oil train, which comprises a chimney extending in a strip-shaped horizontal direction, a sleeve, a rotating shaft and a rain-proof plate; the bottom of the chimney is provided with an air inlet; an air outlet is formed in one side of the chimney along the length direction; the top plate of the chimney and a side plate of the chimney along the length direction are integrally formed to form a guide plate; the guide plate is inclined upwards along the length direction of the chimney; the rotating shaft is arranged in the chimney along the length direction of the chimney; the two ends of the rotating shaft are respectively fixed on the side plates of the chimney; the sleeve is sleeved on the rotating shaft; one side edge of the rainproof plate is fixed on the sleeve, and the other opposite side edge passes through the air outlet and is lapped on the lower end of the air outlet; one side of the rain-proof plate, which is close to the rotating shaft, is higher than the bottom of the air outlet. The exhaust chimney device of the novel tail gas purifier for the fuel oil train can solve the problem that a rain chimney facing strong wind weather in the prior art is insufficient in rainproof and sand-dust-proof effects, and achieves the beneficial effects of reducing back pressure of the chimney on tail gas discharge increase and reducing the possibility that rain water enters the locomotive in strong wind weather.

Drawings

The utility model and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is a schematic diagram of an exhaust stack device of a novel exhaust gas purifier for a fuel-fired train provided in embodiment 1 of the present utility model;

fig. 2 is a cross-sectional view of an exhaust stack device of the novel exhaust gas purifier for a fuel-fired train according to embodiment 1 of the present utility model.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model.

Example 1:

as shown in fig. 1 to 2, the exhaust chimney device of the novel tail gas purifier for the fuel oil train provided by the embodiment of the utility model comprises a long chimney 1 extending in the horizontal direction, a sleeve 2, a rotating shaft 3 and a rain-proof plate 4; the bottom of the chimney 1 is provided with an air inlet 11; one side of the chimney 1 along the length direction is provided with an air outlet 12; the top plate of the chimney 1 and one side plate of the chimney 1 along the length direction are integrally formed to form a guide plate 13; the deflector 13 is inclined upwards along the length direction of the chimney 1; the rotating shaft 3 is arranged inside the chimney 1 along the length direction of the chimney 1; two ends of the rotating shaft 3 are respectively fixed on side plates of the chimney 1; the sleeve 2 is sleeved on the rotating shaft 3; one side edge of the rain-proof plate 4 is fixed on the sleeve 2, and the other opposite side edge passes through the air outlet 12 and is lapped on the lower end of the air outlet 12; the side of the flashing 4 close to the axis of rotation 3 is higher than the bottom of the air outlet 12. When using this embodiment 1, the air inlet 11 of chimney 1 is connected with exhaust purification device's gas vent, and tail gas passes through air inlet 11 and gets into chimney 1, and along the inclined direction of deflector 13 to gas outlet 12 discharge, and deflector 13 can block the rainwater at top, and deflector 4 has the effect of half shielding to the gas outlet, can reduce the possibility that chimney 1 side rainwater got into, when tail gas discharge backpressure increased, can turn over from top to bottom through sleeve 3 on adjusting rotation axis 2, drives deflector 4, adjusts the open and shut state of deflector 4's different angles and reduces the backpressure that chimney 1 tail gas discharge increased.

According to the embodiment of the utility model, the chimney 1 with the strip-shaped side opening is used for facilitating smooth exhaust of tail gas, and effectively reducing the exhaust back pressure of the tail gas purifying device; the tail gas can be smoothly discharged in the designed direction through the inclined guide plate 13; through addding half the rotatable angle's that shelters from flashing board 4, reduce the possibility that strong wind weather rainwater got into the chimney to can reduce the back pressure that the chimney increased to the exhaust emission through the different angle's of square baffle 4 open state.

The exhaust chimney device of the novel tail gas purifier for the fuel oil train, provided by the embodiment of the utility model, can solve the problem that the rain-proof and sand-dust-proof effects of a chimney are insufficient in the prior art, and achieves the beneficial effects of reducing the back pressure of the chimney on the increase of tail gas discharge and reducing the possibility that rainwater enters the interior of a locomotive in windy weather.

Further, in this example, the side plate of the chimney 1 in the length direction forms an angle smaller than 90 ° with the end face of the air inlet 11; the included angle between the top plate of the chimney 1 and the side plate facing the air inlet 11 is an obtuse angle smaller than 180 degrees. The angle formed by the guide plates arranged in this way can facilitate the smooth exhaust of tail gas.

In the preferred embodiment of this embodiment, the air inlet 11 end of the chimney 1 is provided with a flanged connection. The exhaust chimney structure is connected with the tail gas purifying device through the flange structure, so that the problem of self installation of the chimney 1 can be solved, and the tightness of connection between the chimney 1 and the tail gas purifying device can be ensured.

In order to further strengthen the barrier to rain, in this embodiment, the flashing 4 is provided with a downwardly sloping flap 41 on the side facing away from the axis of rotation 3; the flap 41 is integrally formed with the flashing 4. The downwardly inclined flap 41 reduces the flow of rainwater into the exhaust duct from the gap between the flashing 4 and the air outlet 12.

Because the strength of the strip-shaped integral structure of the chimney 1 is not high, the chimney further comprises a plurality of supporting plates 14 in the embodiment; all the supporting plates 14 are uniformly and vertically distributed in the chimney 1 to support the guide plates 13. The support plate 14 strengthens the overall strength of the chimney structure and can divide the chimney 1 structure into a plurality of independent exhaust ports, thereby facilitating the production and manufacture of the chimney structure.

In order to reduce the penetration of rainwater at the junction of the chimney and the exhaust gas purification device, in this example, a reverse flashing 5 is also included; the reverse rain-proof plate 5 is horizontally arranged around the air outlet 12 of the chimney 1; the periphery of reverse flashing 5 is provided with the baffle 51 of a round turndown, is provided with the baffle 7 that the edge turned up in the vehicle ceiling department of installation tail gas cleanup unit, and baffle 7 does not surpass reverse flashing 5's coverage, and as shown in fig. 2, reverse flashing 5 and baffle 7 place in opposite directions, let the clearance form the passageway of maze type of like under the circumstances of guaranteeing certain clearance, reduce the outside steam of vehicle under the windy weather and get into the possibility inside the vehicle along with the wind.

Further, in this embodiment, two opposite side plates of the chimney 1 are respectively provided with a hanging ring device 6. The lifting ring device 6 facilitates the lifting and installation of the chimney structure.

In summary, the exhaust chimney device of the novel tail gas purifier for the fuel oil train provided by the utility model effectively solves the problem that a rain chimney facing strong wind weather in the prior art is insufficient in rainproof and sand and dust prevention effects, can reduce back pressure of the chimney on tail gas discharge increase, reduces possibility that rainwater enters the interior of a locomotive in strong wind weather, and has the characteristics of convenience in production and manufacture and simplicity in lifting and installation.

Those skilled in the art will appreciate that the above-described modifications may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and are not described herein. Such modifications do not affect the essence of the present utility model, and are not described herein.

The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present utility model, which do not affect the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. The novel exhaust chimney device of the tail gas purifier for the fuel oil and the train is characterized by comprising an elongated chimney extending along the horizontal direction, a sleeve, a rotating shaft and a rain-proof plate;

the bottom of the chimney is provided with an air inlet; an air outlet is formed in one side of the chimney along the length direction; the top plate of the chimney and a side plate of the chimney along the length direction are integrally formed to form a guide plate; the guide plate is inclined upwards along the length direction of the chimney;

the rotating shaft is arranged in the chimney along the length direction of the chimney; the two ends of the rotating shaft are respectively fixed on the side plates of the chimney; the sleeve is sleeved on the rotating shaft; one side edge of the rainproof plate is fixed on the sleeve, and the other opposite side edge passes through the air outlet and is lapped on the lower end of the air outlet; one side of the rain-proof plate, which is close to the rotating shaft, is higher than the bottom of the air outlet.

2. The exhaust stack device of the novel tail gas purifier for the fuel oil train according to claim 1, wherein an included angle between a side plate of the stack along the length direction and the end face of the air inlet is smaller than 90 degrees; the included angle between the top plate of the chimney and the side plate facing the air inlet is an obtuse angle smaller than 180 degrees.

3. The exhaust stack device of the novel exhaust gas purifier for the fuel-fired train according to claim 1, wherein the air inlet end of the stack is provided with a connecting flange.

4. The exhaust stack device of the novel exhaust gas purifier for the fuel-fired train according to claim 1, wherein a side edge of the rain-proof plate far away from the rotating shaft is provided with a downward inclined turning plate; the turning plate and the rain-proof plate are integrally formed.

5. The exhaust stack device of the novel exhaust gas purifier for the fuel train according to claim 1, further comprising a plurality of support plates; all the supporting plates are uniformly and vertically distributed in the chimney to support the guide plate.

6. The exhaust stack assembly of the novel exhaust gas purifier for the fuel-fired train as recited in claim 1, further comprising a reverse flashing; the reverse rainproof plate is horizontally arranged around the air outlet of the chimney; the periphery of the reverse rainproof plate is provided with a circle of baffle which is turned down.

7. The exhaust stack device of the novel tail gas purifier for the fuel oil train according to claim 1, wherein the two opposite side plates of the stack are respectively provided with a hanging ring device.