CN112360596A

CN112360596A - Zero-emission device for vehicle tail gas

Info

Publication number: CN112360596A
Application number: CN202010995112.0A
Authority: CN
Inventors: 秦素哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-02-12

Abstract

The invention discloses a vehicle tail gas zero-emission device, which comprises a tail gas treatment box body, wherein the tail gas treatment box body consists of an inner layer box body, an outer layer box body and a noise reduction layer fixed between the two layer box bodies, at least two exhaust branch pipes are arranged on one side of the tail gas treatment box body, at least two clean air outlet pipes are arranged on the other side of the tail gas treatment box body, a spray degradation device and a multistage particle filtering device are arranged in the tail gas treatment box body, and when tail gas enters the tail gas treatment box body through the exhaust branch pipes, the tail gas is firstly purified by the multistage particle filtering device and then the spray degradation device, and finally the tail gas is discharged to the atmosphere through the clean air outlet. The device can carry out multilayer treatment to two engine exhaust's of vehicle and driving system tail gas, thereby degrades the particulate matter and the harmful gas of tail gas step by step and realize the zero release, and the device's box adopts bilayer structure and adds the material of making an uproar that falls, can reduce two engine exhaust emission's noise by a wide margin.

Description

Zero-emission device for vehicle tail gas

Technical Field

The invention relates to the technical field of automobile engine tail gas treatment, in particular to a vehicle tail gas zero-emission device.

Background

City haze, air quality problem persist, bring harm for city resident's mind and body, can use air dust fall vehicle to spray water smoke in the air generally and purify the air, because the consumption of dust fall vehicle when the operation is great, consequently the additional engine of air dust fall vehicle that uses at present usually can for this vehicle has two sets of driving system, and the tail gas volume that discharges also increases thereupon, can increase the emission of harmful gas to the air, consequently handles the tail gas of dust fall vehicle. The tail gas treatment equipment for dust-falling vehicles in China at present is low in popularization rate, most of the adopted tail gas treatment equipment adopts an adsorption net or a filter screen, the adsorption net or the filter screen is low in service life, convenient to replace and high in use cost, the invention patent with the patent number of CN201811398671.2 discloses automobile tail gas treatment equipment for pollution control and an automobile tail gas treatment method, the equipment carries out multi-stage treatment on automobile tail gas through three groups of treatment mechanisms which are arranged in a ladder way, and the problems that the existing equipment is difficult to install and disassemble, the filter screen is low in service life, convenient to replace and high in use cost are solved, the tail gas is not thoroughly treated at present, and harmful gas in the tail gas is not decomposed; the invention patent with the patent number of CN205277557U discloses an automobile exhaust treatment device and an automobile, wherein exhaust is directly discharged into treatment liquid to be chemically reacted with the treatment liquid, and the exhaust is treated, but when the exhaust flow rate is high, the exhaust is discharged without contacting the treatment liquid, and the purification effect is not ideal.

Disclosure of Invention

The invention aims to provide a vehicle tail gas zero emission device, which can carry out multilayer treatment on tail gas exhausted by two engines of a vehicle and a power system and degrade particulate matters and harmful gases of the tail gas step by step so as to realize zero emission.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a vehicle tail gas zero discharge apparatus, includes the tail gas treatment box, the tail gas treatment box comprises inlayer box, outer box and the layer of making an uproar of falling of fixing between two-layer box, tail gas treatment box one side is equipped with two piece at least exhaust branch pipes, is equipped with two piece at least clean outlet ducts at tail gas treatment box opposite side, is equipped with in the tail gas treatment box and sprays degradation device and multistage particle filter equipment, passes through earlier when exhaust branch pipe gets into in the tail gas treatment box multistage particle filter equipment passes through again spray degradation device purifies the back, at last by clean outlet duct discharges to the atmosphere in.

Preferably, the inner-layer box body is formed by enclosing a metal plate provided with small noise reduction holes.

Preferably, the exhaust branch pipe and the clean air outlet pipe are arranged on two opposite sides of the tail gas treatment box body in a staggered manner in the horizontal direction and the vertical direction.

Preferably, multistage particulate filter equipment comprises first granule filter screen, second granule filter screen and third granule filter screen, first granule filter screen, second granule filter screen and third granule filter screen along tail gas treatment box body length direction is around the interval arrangement.

Preferably, first granule filter screen, second granule filter screen and third granule filter screen all have the cellular filter screen structure of active carbon, and the honeycomb aperture of first granule filter screen, second granule filter screen and third granule filter screen reduces in proper order.

Preferably, the spraying and degrading device consists of a circulating pump, a spraying mechanism, a water tank and a tail gas treatment liquid recycling mechanism, and the circulating pump conveys the tail gas treatment liquid in the water tank to the spraying mechanism for spraying through a pipeline.

Preferably, the spraying mechanism comprises a plurality of rows of spraying heads, and the plurality of rows of spraying heads are arranged at intervals along the length direction of the tail gas treatment box body.

Preferably, the tail gas treatment liquid recovery mechanism comprises a recovery tank, a flow guide pipe, a one-way valve and a liquid collection box, wherein a filter screen is further arranged on the surface of the recovery tank.

According to the invention, the tail gas treatment box body adopts a double-layer structure and is also provided with the noise reduction device, so that the noise generated during tail gas emission can be effectively reduced. The particle filtration device who uses is multilayer structure, can filter the particulate matter in the tail gas step by step on the one hand, realizes the abundant filtration to the particulate matter, and on the other hand spreads tail gas, and more even inflow sprays the mechanism place space in, more fully contacts with the tail gas treatment liquid that sprays. The tail gas treatment liquid sprayed by the spraying mechanism and harmful substances in the tail gas are subjected to chemical reaction to obtain nontoxic and harmless clean gas to be discharged, so that the pollution to the air during working is reduced.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present invention;

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

FIG. 3 is an enlarged view of a part of the noise reduction layer according to the present invention.

Detailed Description

The invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, fig. 2 and fig. 3, a vehicle exhaust zero emission device, including exhaust treatment box 1, at least, be equipped with one door that can open and shut on exhaust treatment box 1, this door can be opened and supplies the user to install or dismantle its internal device, exhaust treatment box 1 comprises inlayer box 10, outer box 11 and the layer 12 of making an uproar that falls who fixes between two-layer box, it forms to enclose by the metal sheet that is equipped with the hole of making an uproar at inlayer box 10, it can tentatively accommodate some noises to fall the hole of making an uproar, it makes by the material of making an uproar to fall the layer 12 of making an uproar, and fall and be equipped with the cellular structure on the layer 12 of making an uproar, this structure can reflect. At least two exhaust branch pipes 2 are arranged on one side of the tail gas processing box body 1, the number of the exhaust branch pipes 2 can be designed according to the number of exhaust pipelines in the vehicle, in another embodiment, a three-way connecting piece can be fixedly arranged at the front ends of the exhaust branch pipes 2 to adapt to the number of the exhaust pipelines of different vehicles, at least two clean outlet pipes 3 are arranged on the other side of the tail gas processing box body 1, the diameters of the clean outlet pipes 3 are larger than the diameters of the exhaust branch pipes 2, the clean outlet pipes 3 with larger number and larger diameter can reduce the flow velocity of the tail gas in the tail gas processing box body 1, so that the tail gas can be fully reacted and degraded in the tail gas processing box body 1, the exhaust branch pipes 2 and the clean outlet pipes 3 are arranged on two opposite sides of the tail gas processing box body 1 in a staggered mode in the horizontal direction, the degradation of the tail gas caused by the over-high speed of the gas discharged into the tail gas treatment box body through the exhaust branch pipe 2 is avoided. A multi-stage particle filtering device 4 is arranged in the tail gas treatment box body 1, the multi-stage particle filtering device 4 is composed of a first particle filtering net 40, a second particle filtering net 41 and a third particle filtering net 42, the first particle filtering net 40, the second particle filtering net 41 and the third particle filtering net 42 are arranged at intervals along the length direction of the tail gas treatment box body 1, in another preferred embodiment, in order to enhance the filtering effect again, the particle filtering nets can be set to four stages, five stages or more, the first particle filtering net 40, the second particle filtering net 41 and the third particle filtering net 42 are all of an active carbon honeycomb-shaped filtering net structure, the honeycomb pore diameters of the first particle filtering net 40, the second particle filtering net 41 and the third particle filtering net 42 are reduced in sequence, when the tail gas passes through the multi-stage particle filtering device 4, the particles in the tail gas can be adsorbed step by step, through multistage absorption can be more abundant filter the particulate matter in the tail gas, multistage structure can also be with the direction of motion diffusion of tail gas moreover for tail gas is discharged in next degradation device more evenly. A spraying degradation device 5 is further arranged in the tail gas treatment box body 1, the spraying degradation device 5 is composed of a circulating pump 50, a spraying mechanism 51, a water tank 52 and a tail gas treatment liquid recovery mechanism 53, wherein the spraying mechanism 51 comprises a plurality of rows of spraying heads which are arranged at intervals along the length direction of the tail gas treatment box body 1, when tail gas after being adsorbed by the multistage particle filtering device 4 enters the spraying degradation device 5, the spraying mechanism 51 sprays the tail gas treatment liquid under the action of the circulating pump 50, the tail gas treatment liquid can carry out chemical reaction with toxic and harmful gases (carbon monoxide, nitrogen monoxide and the like) in the tail gas to decompose the toxic and harmful gases into nontoxic gases, chemical degradation of the tail gas is realized, the sprayed tail gas treatment liquid flows back into the liquid collection box 524 through the tail gas treatment liquid recovery mechanism 53, and the tail gas treatment liquid recovery mechanism 53 comprises a recovery tank 530, a water tank, Honeycomb duct 531, check valve 532 and collection liquid box 524, still be equipped with filter screen 533 on the recovery tank 530 surface, tail gas treatment fluid after spraying the reaction can be collected and enter into recovery tank 530 through filter screen 533 at the bottom side of tail gas treatment box 1, filter screen 533 can filter the particulate matter impurity that probably exists in the tail gas treatment fluid, prevent the jam to the shower head, tail gas treatment fluid after entering into the reaction in recovery tank 530 flows into collection liquid box 524 through check valve 532 and honeycomb duct 531, tail gas treatment fluid after this reaction can be used once more after artifical the processing.

The above embodiments are only a few illustrations of the inventive concept and implementation, not limitations thereof, and the technical solutions without substantial changes are still within the scope of protection under the inventive concept.

Claims

1. A vehicle exhaust zero-emission device, comprising an exhaust gas treatment box, characterized in that: the exhaust gas treatment box is composed of an inner box, an outer box and a noise reduction layer fixed between two layers of boxes At least two exhaust branch pipes are arranged on one side of the exhaust gas treatment box, at least two clean exhaust pipes are arranged on the other side of the exhaust gas treatment box, and a spray degradation device and a multi-stage exhaust gas treatment box are arranged in the exhaust gas treatment box. The particle filter device, when the exhaust gas enters the exhaust gas treatment box through the exhaust branch pipe, it is first purified by the multi-stage particle filter device and then by the spray degradation device, and finally discharged into the atmosphere through the clean exhaust pipe .

2 . The zero-emission device for vehicle exhaust gas according to claim 1 , wherein the inner box body is enclosed by a metal plate with noise reduction holes. 3 .

3 . The zero-emission device for vehicle exhaust gas according to claim 1 , wherein the exhaust branch pipe and the clean exhaust pipe are staggered in both horizontal and vertical directions and are arranged on two opposite sides of the exhaust gas treatment box. 4 . .

4 . The zero-emission device for vehicle exhaust according to claim 1 , wherein the multi-stage particle filter is composed of a first particle filter, a second particle filter and a third particle filter, and the first particle filter is 4. 5 . The particle filter screen, the second particle filter screen and the third particle filter screen are arranged at intervals along the length direction of the exhaust gas treatment box.

5 . The vehicle exhaust zero emission device according to claim 4 , wherein the first particle filter, the second particle filter and the third particle filter have an activated carbon honeycomb filter structure, and The honeycomb apertures of the first particle filter, the second particle filter and the third particle filter are sequentially reduced.

6 . The vehicle exhaust zero-emission device according to claim 1 , wherein the spray degradation device is composed of a circulation pump, a spray mechanism, a water tank and an exhaust gas treatment liquid recovery mechanism, and the circulation pump displaces the exhaust gas in the water tank. 7 . The exhaust gas treatment liquid is transported to the spraying mechanism through the pipeline for spraying.

7 . The vehicle exhaust zero emission device according to claim 6 , wherein the spray mechanism comprises multiple rows of spray heads, and the multiple rows of the spray heads are spaced back and forth along the length direction of the exhaust gas treatment box. 8 . layout.

8 . The zero-emission device for vehicle exhaust gas according to claim 1 , wherein the exhaust gas treatment liquid recovery mechanism comprises a recovery tank, a guide pipe, a one-way valve and a liquid collecting box, and a surface of the recovery tank is further provided with 8 . There are filters.