CN212563406U

CN212563406U - Tail gas emission treatment device for train internal combustion engine

Info

Publication number: CN212563406U
Application number: CN202021379492.7U
Authority: CN
Inventors: 陶亚青; 黄韬; 黄全贵; 邰飞
Original assignee: Anhui Wanhang Rail Transit Equipment Co ltd
Current assignee: Anhui Wanhang Rail Transit Equipment Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-02-19
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a train internal-combustion engine exhaust emission processing apparatus relates to tail gas treatment technical field. The utility model provides a train internal-combustion engine exhaust emissions processing apparatus, includes waste gas discharge pipeline, waste gas discharge pipeline one side fixedly connected with air exhauster, air exhauster opposite side spiro union has the carbon tank, carbon tank opposite side spiro union has the filter block shell, the air outlet has been seted up to filter block shell top one side, the inside filter equipment that is provided with of filter block shell, filter equipment includes three effect catalyst room, urea room, molecular sieve room, sodium bicarbonate saturated solution room, active carbon room and potassium permanganate solution room, the utility model discloses, through the setting of disassembly body, after unscrewing solid fixed ring screw, handheld handrail mounting extracts the filter block, can extract each reaction chamber through the filter core lid after the filter block is extracted, and is simple convenient, and the installation and dismantlement are changed.

Description

Tail gas emission treatment device for train internal combustion engine

Technical Field

The utility model relates to a tail gas treatment technical field specifically is a train internal-combustion engine exhaust emission processing apparatus.

Background

A train, also called a railway train, refers to a vehicle running on a railway track, generally composed of a plurality of cars, and is one of modern important transportation means for human beings. Historically the most important implement, known earlier as a steam locomotive, has had independent rail travel. The railway train can be divided into a freight car for carrying goods and a passenger car for carrying passengers according to loads, and the freight car and the passenger car for carrying the passengers are also mixed and transported together, but a large amount of carbon dioxide is generated, so that the environment is polluted.

Most of current exhaust emission processing apparatus is the integral type and be disposable product, has the condition of high-cost low sexual valence ratio, for this the utility model provides a neotype solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide the theme to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a train internal combustion engine tail gas emission processing device comprises a waste gas discharge pipeline, wherein one side of the waste gas discharge pipeline is fixedly connected with an exhaust fan, the other side of the exhaust fan is screwed with a carbon tank, the other side of the carbon tank is screwed with a filter block shell, one side of the top of the filter block shell is provided with an air outlet, a filter device is arranged inside the filter block shell and comprises a three-way catalyst chamber, a urea chamber, a molecular sieve chamber, a sodium bicarbonate saturated solution chamber, an activated carbon chamber and a potassium permanganate solution chamber, the other side of the filter block shell is provided with a dismounting mechanism, the dismounting mechanism comprises a handrail fixing part and a fixing ring, the handrail fixing part is sleeved on a fixing ring inner ring, one side of the handrail fixing part is contacted with the filter block shell, the outer wall of the fixing ring is provided with a bolt, the bolt is symmetrical about the center, and, the filter core shell is movably sleeved in the filter block shell.

Preferably, the inside hollow structure that is of filter core shell, the activity of triple effect catalyst room is cup jointed inside the filter core shell, the urea room sets up in triple effect catalyst room one side, the urea room opposite side is provided with the molecular sieve room, molecular sieve room bottom is provided with the saturated solution room of sodium bicarbonate, it is provided with the activated carbon room to cross the inside bottom of filter core shell near the middle part, activated carbon room one side is provided with potassium permanganate solution room.

Preferably, the bottom of the sodium bicarbonate saturated solution chamber is fixedly connected with an internal conveying pipeline, the other side of the internal conveying pipeline is fixedly connected with a miniature exhaust fan, and one side of the filter element shell is fixedly connected with a connecting rod in a manner of being symmetrical about the center.

Preferably, the second filter screen is arranged on one side of the top of the filter element shell, and the first filter screen is arranged on one side of the filter element shell close to the bottom.

Preferably, potassium permanganate solution room bottom fixedly connected with filter core lid, the filter core lid is provided with a plurality ofly, the filter core lid is adapted to activated carbon room, saturated solution room of sodium bicarbonate, molecular sieve room, urea room and three-way catalyst room respectively.

Preferably, two spherical hollow interfaces are arranged on one side of the handrail fixing piece at equal intervals and are matched with the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a train internal-combustion engine exhaust emissions processing apparatus, through the setting of disassembly body, after will fixing solid ring screw and unscrew, handheld handrail mounting extracts the filter block, can extract each reacting chamber through the filter core lid after the filter block is extracted, and is simple convenient, the installation of being convenient for and dismantlement change.

(2) The train internal combustion engine tail gas emission treatment device realizes the sequential purification of the train internal combustion engine waste gas through the arrangement of the reaction chamber in the filter element shell, achieves the effect of filtering layer by layer, and ensures that the waste gas is fully purified in each filtering chamber by using the method of arranging the filtering chambers.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the filter element housing of the present invention;

FIG. 3 is a schematic structural view of the fixing ring of the present invention;

fig. 4 is a schematic structural view of the handrail fixing member of the present invention.

In the figure: 1. an exhaust gas discharge pipe; 2. an exhaust fan; 3. a carbon tank; 4. a filter block housing; 5. an air outlet; 6. a handrail fixing member; 7. a fixing ring; 8. a bolt; 9. a nut; 10. a spherical hollow interface; 11. a second filter screen; 12. a three-way catalyst chamber; 13. a urea chamber; 14. a molecular sieve chamber; 15. a connecting rod; 16. an inner delivery conduit; 17. a saturated solution chamber of sodium bicarbonate; 18. a miniature exhaust fan; 19. an activated carbon chamber; 20. a filter element cover; 21. a potassium permanganate solution chamber; 22. a first filter screen; 23. a filter element shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a train internal combustion engine tail gas emission treatment device comprises a waste gas discharge pipeline 1, one side of the waste gas discharge pipeline 1 is fixedly connected with an exhaust fan 2, the other side of the exhaust fan 2 is screwed with a carbon tank 3, the other side of the carbon tank 3 is screwed with a filter block shell 4, one side of the top of the filter block shell 4 is provided with an air outlet 5, the inside of the filter block shell 4 is provided with a filter device, the filter device comprises a three-way catalyst chamber 12, a urea chamber 13, a molecular sieve chamber 14, a sodium bicarbonate saturated solution chamber 17, an activated carbon chamber 19 and a potassium permanganate solution chamber 21, the other side of the filter block shell 4 is provided with a dismounting mechanism, the dismounting mechanism comprises a handrail fixing part 6 and a fixing ring 7, the handrail fixing part 6 is sleeved on the inner ring of the fixing ring 7, one side of the handrail fixing part 6 is in contact with the filter block shell 4, the outer wall of the, the filter core shell 23 is movably sleeved in the filter block shell 4.

As shown in fig. 1 and 2, the inside of the filter element housing 23 is of a hollow structure, the three-way catalyst chamber 12 is movably sleeved inside the filter element housing 23, the urea chamber 13 is arranged on one side of the three-way catalyst chamber 12, the molecular sieve chamber 14 is arranged on the other side of the urea chamber 13, the sodium bicarbonate saturated solution chamber 17 and the sodium bicarbonate saturated solution chamber 17 are arranged at the bottom of the molecular sieve chamber 14, the activated carbon chamber 19 is arranged at the bottom of the inside of the filter element housing 23 near the middle part, and the potassium permanganate solution chamber 21 is arranged on one side of the activated carbon chamber 19.

As shown in fig. 2, an inner conveying pipe 16 is fixedly connected to the bottom of the sodium bicarbonate saturated solution chamber 17, a micro exhaust fan 18 is fixedly connected to the other side of the inner conveying pipe 16, and a connecting rod 15 is fixedly connected to one side of the filter element housing 23 symmetrically with respect to the center.

As shown in fig. 2, the second filter screen 11 is disposed on one side of the top of the filter core housing 23, and the first filter screen 22 is disposed on one side of the filter core housing 23 near the bottom.

As shown in fig. 2, the bottom of the potassium permanganate solution chamber 21 is fixedly connected with a plurality of filter element covers 20, and the filter element covers 20 are respectively adapted to the activated carbon chamber 19, the sodium bicarbonate saturated solution chamber 17, the molecular sieve chamber 14, the urea chamber 13 and the three-way catalyst chamber 12.

As shown in figure 4, two spherical hollow interfaces 10 are equidistantly arranged on one side of the handrail fixing part 6, and the spherical hollow interfaces 10 are matched with the connecting rod 15.

The working principle is as follows: firstly, the exhaust gas discharged by the train internal combustion engine enters an exhaust gas discharge pipeline 1, the exhaust gas further enters a carbon tank 3 under the action of an exhaust fan 2, carbon monoxide is purified under the action of the carbon tank 3, the exhaust gas further enters a filter block, the exhaust gas further enters a filter core shell 23 through a first filter screen 22, the exhaust gas further purifies carbon dioxide through a potassium permanganate solution chamber 21, the exhaust gas further passes through an activated carbon chamber 19, lead in the exhaust gas is purified through the activated carbon chamber 19, the exhaust gas is further sucked into a sodium bicarbonate saturated solution chamber 17 through a miniature exhaust fan 18, sulfur dioxide is purified through the sodium bicarbonate saturated solution chamber 17, the exhaust gas further enters a molecular sieve chamber 14, carbon oxides are purified through the molecular sieve filter screen 14, the exhaust gas further enters a urea chamber 13, and nitrogen oxides are further purified through the urea chamber 13, further waste gas enters the three-way catalyst chamber 12, the further three-way catalyst further purifies the remaining hazardous substances in the waste gas, further waste gas of the train internal combustion engine is discharged into the air through the air outlet 5, after the waste gas is treated, the filter block is taken out through the handrail fixing piece 6, and further each filter chamber is taken out through the filter element cover 20 to be cleaned or replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a train internal-combustion engine exhaust emission processing apparatus, includes waste gas discharge pipeline (1), its characterized in that: the exhaust gas emission and delivery pipeline is characterized in that an exhaust fan (2) is fixedly connected to one side of the exhaust gas emission and delivery pipeline (1), a carbon tank (3) is screwed to the other side of the exhaust fan (2), a filter block shell (4) is screwed to the other side of the carbon tank (3), an air outlet (5) is formed in one side of the top of the filter block shell (4), a filtering device is arranged in the filter block shell (4), the filtering device comprises a three-way catalyst chamber (12), a urea chamber (13), a molecular sieve chamber (14), a sodium bicarbonate saturated solution chamber (17), an activated carbon chamber (19) and a potassium permanganate solution chamber (21), a dismounting mechanism is arranged on the other side of the filter block shell (4), the dismounting mechanism comprises a handrail fixing part (6) and a fixing ring (7), the handrail fixing part (6) is sleeved on the inner ring of the fixing ring (7), one side of the handrail fixing part (6) is in, the outer wall of the fixing ring (7) is provided with a bolt (8), the bolt is symmetrical about the center, the bolt (8) is movably connected with a nut (9), and a filter element shell (23) is movably sleeved in the filter block shell (4).

2. The train internal combustion engine exhaust emission treatment device according to claim 1, characterized in that: the inside hollow structure that is of filter core shell (23), triple effect catalyst room (12) activity is cup jointed inside filter core shell (23), urea room (13) set up in triple effect catalyst room (12) one side, urea room (13) opposite side is provided with molecular sieve room (14), molecular sieve room (14) bottom is provided with sodium bicarbonate saturated solution room (17), the inside bottom of filter core shell (23) is close to the middle part and is provided with activated carbon room (19), activated carbon room (19) one side is provided with potassium permanganate solution room (21).

3. The train internal combustion engine exhaust emission treatment device according to claim 2, characterized in that: the device is characterized in that an inner conveying pipeline (16) is fixedly connected to the bottom of the sodium bicarbonate saturated solution chamber (17), a miniature exhaust fan (18) is fixedly connected to the other side of the inner conveying pipeline (16), and a connecting rod (15) is fixedly connected to one side of the filter element shell (23) in a centrosymmetric mode.

4. The train internal combustion engine exhaust emission treatment device according to claim 2, characterized in that: the second filter screen (11) is arranged on one side of the top of the filter element shell (23), and the first filter screen (22) is arranged on one side of the filter element shell (23) close to the bottom.

5. The train internal combustion engine exhaust emission treatment device according to claim 2, characterized in that: potassium permanganate solution room (21) bottom fixedly connected with filter element lid (20), filter element lid (20) are provided with a plurality ofly, filter element lid (20) adapt to respectively in activated carbon room (19), saturated solution room of sodium bicarbonate (17), molecular sieve room (14), urea room (13) and three-way catalyst room (12).

6. The train internal combustion engine exhaust emission treatment device according to claim 1, characterized in that: two spherical hollow interfaces (10) are arranged on one side of the handrail fixing piece (6) at equal intervals, and the spherical hollow interfaces (10) are matched with the connecting rod (15).