CN216498590U

CN216498590U - Tail gas treatment device for diesel generating set

Info

Publication number: CN216498590U
Application number: CN202122929614.6U
Authority: CN
Inventors: 蔡福民; 张明华
Original assignee: Dingsheng Generator Guangzhou Co ltd
Current assignee: Dingsheng Generator Guangzhou Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-13
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a tail gas treatment device of a diesel generator set, which belongs to the technical field of tail gas treatment of diesel engines, and comprises a tank body, wherein a tail gas filter is arranged on the left side wall of the tank body, an air inlet and an air outlet of the tail gas filter are respectively provided with an air inlet pipe and an air outlet pipe, an exhaust seat is arranged at the lower part in the tank body, and an exhaust pipe is transversely arranged on the exhaust seat, the tail gas can be sprayed out by a spray head, after being preliminarily filtered by the tail gas filter, particles and odor in the tail gas can be filtered, the tail gas enters the tank body to move from bottom to top at high speed and is contacted with a treatment liquid sprayed by the spray head, a cyclone device can increase the contact area and the contact time of the gas and the treatment liquid, SO that the tail gas and the treatment liquid are fully contacted in the tank, gaseous pollutants such as NOx, SO2 and the like are neutralized to achieve good treatment effect, and the treatment liquid can be recycled, the equipment is simple, the use and maintenance cost is low, and the device can be suitable for small and medium-sized enterprises.

Description

Tail gas treatment device for diesel generating set

Technical Field

The utility model relates to the technical field of diesel engine tail gas treatment, in particular to a tail gas treatment device for a diesel generating set.

Background

The tail gas of the diesel generator set is the tail gas sprayed out after the diesel generator burns diesel, the tail gas contains hundreds of different compounds, the gas emission is not only strange in smell, but also is dizziness and nausea, influences the physical health of people, and has high carcinogenicity.

In the prior art, a filtration method or a denitration method is mostly adopted to purify tail gas, particles in the tail gas can only be removed by the filtration method, various harmful gases in the tail gas cannot be treated, and the denitration method is complex in equipment, high in use and maintenance cost and not suitable for small and medium-sized enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tail gas treatment device for a diesel generating set, which aims to solve the problems that various harmful gases in tail gas cannot be treated, equipment is complex and the use and maintenance cost is high in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a diesel generating set tail gas processing apparatus, which comprises a tank body, be equipped with the tail gas filter on the wall of jar body left side, and the air inlet of tail gas filter is divided with the gas outlet and is equipped with intake pipe and outlet duct, the internal below of jar is equipped with the exhaust seat, and transversely is equipped with the blast pipe on the exhaust seat, the venthole has been seted up on the blast pipe, and the one end of outlet duct transversely runs through a jar external wall and exhaust seat intercommunication, jar internal top is equipped with the whirl device of being no less than one, and jar external wall right side is equipped with the water pump, jar internal top is equipped with spray set, and the play liquid end of water pump passes through the pipeline and is connected with spray set, the feed liquor end of water pump runs through a jar external wall and jar internal intercommunication through the pipeline, and jar body top is equipped with the gas vent.

Preferably, an activated carbon filter plate, an ozone generator, an NCCO reaction layer and an HEPA filter screen are arranged in the tail gas filter, the ozone generator is located between the activated carbon filter plate and the NCCO reaction layer, and the NCCO reaction layer is located between the ozone generator and the HEPA filter screen.

Preferably, the bottom of the tail gas filter is provided with a water outlet pipe, the tail gas filter is internally provided with a mounting groove, the NCCO reaction layer is positioned in the mounting groove, and the water outlet pipe is communicated with the mounting groove.

Preferably, the spraying device comprises a mounting seat and a spraying head arranged on the mounting seat, a water trough is formed in the mounting seat, and the water trough is communicated with the spraying head and a water pump liquid outlet pipeline.

Preferably, the opening of the air outlet hole faces downwards.

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

according to the utility model, the treatment liquid can be sprayed out through the spray header, after the tail gas is preliminarily filtered by the tail gas filter, particles and odor in the tail gas can be filtered, the tail gas enters the tank body and moves at a high speed from bottom to top in the tank body, and is contacted with the treatment liquid sprayed out by the spray header, the cyclone device can increase the contact area and contact time of the gas and the treatment liquid, SO that the tail gas and the treatment liquid are fully contacted in the tank, gaseous pollutants such as NOx, SO2 and the like are neutralized, a good treatment effect is achieved, the treatment liquid can be recycled, the equipment is simple, the use and maintenance cost is low, and the device can be suitable for small and medium-sized enterprises.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the tank of the present invention;

FIG. 3 is a schematic view of the cyclone apparatus of the present invention;

fig. 4 is a schematic view of the internal structure of the exhaust filter according to the present invention.

In the figure: 1. a tank body; 2. an exhaust gas filter; 3. an air inlet pipe; 4. a water outlet pipe; 5. a water pump; 6. an exhaust port; 7. a mounting seat; 8. a shower head; 9. a swirling device; 10. an air outlet pipe; 11. an exhaust seat; 12. an exhaust pipe; 13. an air outlet; 14. an activated carbon filter plate; 15. an ozone generator; 16. an NCCO reaction layer; 17. a HEPA filter screen; 18. and installing a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: a tail gas treatment device of a diesel generating set comprises a tank body 1, wherein a tail gas filter 2 is arranged on the left side wall of the tank body 1, the tail gas filter 2 can carry out primary filtration treatment on tail gas, particles and odor in the tail gas are filtered, an air inlet and an air outlet of the tail gas filter 2 are respectively provided with an air inlet pipe 3 and an air outlet pipe 10, an exhaust seat 11 is arranged below the tank body 1, an exhaust pipe 12 is transversely arranged on the exhaust seat 11, an air outlet hole 13 is formed in the exhaust pipe 12, one end of the air outlet pipe 10 transversely penetrates through the outer wall of the tank body 1 to be communicated with the exhaust seat 11, gas treated by the tail gas filter 2 enters the exhaust seat 11 from the air outlet pipe 10 and is sprayed out from the air outlet hole 13 on the exhaust pipe 12, at least one cyclone device 9 is arranged above the tank body 1, the principle of the cyclone device 9 is consistent with that of a cyclone plate tower, and blades in the cyclone device 9 are fixed windmill blades, the air current produces rotation and centrifugal motion when passing through the blade, the treatment fluid falls on the blade and is evenly distributed to each blade through the middle blind plate to form a thin liquid layer, the treatment fluid forms rotation and centrifugal effect with the upward rotating air current and is sprayed into fine liquid drops, the treatment fluid is thrown to the inner wall of the tank body 1, the air current to be treated with certain air pressure and air speed enters from the inner bottom of the tank body 1, the treatment fluid exits from the upper part of the tank body 1, the air current and the treatment fluid move relatively in the tank body 1, thereby greatly improving the absorption effect, the right side of the outer wall of the tank body 1 is provided with a water pump 5, the top in the tank body 1 is provided with a spraying device, the liquid outlet end of the water pump 5 is connected with the spraying device through a pipeline, the liquid inlet end of the water pump 5 penetrates through the outer wall of the tank body 1 to be communicated with the tank body 1 through the pipeline, the water pump 5 can pump the treatment fluid falling after the reaction with the gas in the tank body 1 and send the treatment fluid into the spraying device again, realize cyclic utilization, and jar body 1 top is equipped with gas vent 6, and the gas after reacting with the treatment fluid is discharged from gas vent 6.

The tail gas filter 2 is internally provided with an activated carbon filter plate 14, an ozone generator 15, an NCCO reaction layer 16 and an HEPA filter screen 17, the activated carbon filter plate 14 can filter out particles in the tail gas, the HEPA filter screen 17 can remove peculiar smell of the tail gas, the NCCO reaction layer 16 is a strong-adsorbability mineral clinoptilolite, the special pollutants in the environment can be effectively gathered by the special performance of the NCCO filter plate, the concentration of the pollutants in the air is reduced immediately, meanwhile, a heavy metal reducing agent aiming at TVOC harmful gases such as formaldehyde, bacteria and viruses is added in a nanometer pore channel of the clinoptilolite, the ozone generator 15 is positioned between the activated carbon filter plate 14 and the NCCO reaction layer 16, the NCCO reaction layer 16 is positioned between the ozone generator 15 and the HEPA filter screen 17, the bottom of the tail gas filter 2 is provided with a water outlet pipe 4, a mounting groove 18 is arranged in the tail gas filter 2, and the NCCO reaction layer 16 is positioned in the mounting groove 18, the water outlet pipe 4 is communicated with the mounting groove 18, the spraying device comprises a mounting seat 7 and a spraying head 8 arranged on the mounting seat 7, a water through groove is formed in the mounting seat 7, the water through groove is communicated with the spraying head 8 and a liquid outlet pipeline of the water pump 5, and an opening of the air outlet hole 13 faces downwards.

The working principle is as follows: the utility model can spray treatment liquid through the spray header 8, after the tail gas is preliminarily filtered by the tail gas filter 2, the active carbon filter plate 14 can filter out particles in the tail gas, the ozone generator 15 works to generate ozone, when the ozone and the tail gas pass through the NCCO reaction layer 16, the formaldehyde in the tail gas can be reduced into water and carbon dioxide under the action of active oxygen, the carbon dioxide is discharged from the air outlet pipe 10 after being filtered by the HEPA filter screen 17, the water is gathered in the mounting groove 18 and discharged from the water outlet pipe 4, the residual gas enters the tank body 1 and is sprayed out from the air outlet hole 13, the residual gas moves at high speed from bottom to top in the tank body 1 and contacts with the treatment liquid sprayed out by the spray header 8, the device 9 can increase the contact area and the contact time of the gas and the treatment liquid, the tail gas and the treatment liquid are fully contacted in the tank body 1, and gaseous pollutants such as NOx, SO2 and the like are neutralized to achieve good treatment effect, the treatment liquid can be recycled.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a diesel generating set tail gas processing apparatus, includes jar body (1), its characterized in that: the tail gas filter is characterized in that a tail gas filter (2) is arranged on the left side wall of the tank body (1), an air inlet and an air outlet of the tail gas filter (2) are respectively provided with an air inlet pipe (3) and an air outlet pipe (10), an exhaust seat (11) is arranged in the tank body (1) at the lower part, an exhaust pipe (12) is transversely arranged on the exhaust seat (11), an air outlet hole (13) is formed in the exhaust pipe (12), one end of the air outlet pipe (10) transversely penetrates through the outer wall of the tank body (1) and is communicated with the exhaust seat (11), at least one cyclone device (9) is arranged above the inner part of the tank body (1), a water pump (5) is arranged on the right side of the outer wall of the tank body (1), a spraying device is arranged at the inner top of the tank body (1), the liquid outlet end of the water pump (5) is connected with the spraying device through a pipeline, the liquid inlet end of the water pump (5) penetrates through the outer wall of the tank body (1) and is communicated with the inner part of the tank body (1) through the pipeline, and the top of the tank body (1) is provided with an exhaust port (6).

2. The tail gas treatment device of the diesel generating set according to claim 1, characterized in that: the tail gas filter (2) is internally provided with an activated carbon filter plate (14), an ozone generator (15), an NCCO reaction layer (16) and an HEPA filter screen (17), wherein the ozone generator (15) is positioned between the activated carbon filter plate (14) and the NCCO reaction layer (16), and the NCCO reaction layer (16) is positioned between the ozone generator (15) and the HEPA filter screen (17).

3. The tail gas treatment device of the diesel generating set according to claim 2, characterized in that: the tail gas filter is characterized in that a water outlet pipe (4) is arranged at the bottom of the tail gas filter (2), a mounting groove (18) is formed in the tail gas filter (2), the NCCO reaction layer (16) is located in the mounting groove (18), and the water outlet pipe (4) is communicated with the mounting groove (18).

4. The tail gas treatment device of the diesel generating set according to claim 1, characterized in that: the spraying device comprises a mounting seat (7) and a spraying head (8) arranged on the mounting seat (7), a water through groove is formed in the mounting seat (7), and the water through groove is communicated with the spraying head (8) and a liquid outlet pipeline of the water pump (5).

5. The tail gas treatment device of the diesel generating set according to claim 1, characterized in that: the opening of the air outlet hole (13) is downward.