CN106481401A - Automobile exhaust purifier and its automobile - Google Patents

Abstract

The invention relates to the technical field of automobile purification, in particular to an automobile exhaust purifier and an automobile thereof. The intake pipe and the exhaust pipe are located on both sides of the cylinder body. The automobile exhaust gas enters the cylinder body through the intake pipe, is filtered and purified, and then discharged from the exhaust pipe, and then discharged to the outside world. The cylinder body is equipped with a solid filter assembly and a liquid filter assembly. , the solid filter assembly is mainly used to purify the small particles in the automobile exhaust, the liquid filter assembly is mainly used to purify the harmful gas in the automobile exhaust, the intake pipe extends into the cylinder and connects with the solid filter assembly, and the solid filter assembly passes through the air guide tube It is connected with the liquid filter assembly to make the purification of the automobile exhaust more thorough. After the automobile exhaust is processed by the liquid filter assembly, it realizes a better function of purifying the automobile exhaust.

Description

Automobile exhaust gas purifier and its automobile

technical field

The invention relates to the technical field of automobile purification, in particular to an automobile exhaust purifier and an automobile thereof.

Background technique

Nowadays, the living environment is getting worse and worse. Automobile exhaust is one of the main sources of air pollution. Most of the automobile exhaust is sulfur-containing compounds and hydrocarbon-containing compounds. These compounds have a serious impact on the atmosphere. The per capita number of automobiles in my country is increasing rapidly. As the city climbs, automobiles emit a large amount of unfiltered exhaust every day, and the pollution of automobile exhaust is becoming more and more serious. A large amount of automobile exhaust makes the air quality of cities continue to decline, and air pollution is worrying. In order to control the exhaust pollution of automobiles and reduce the emission of carbon monoxide, black smoke and other toxic gases, automobile manufacturers have been looking for effective ways to reduce emission pollution for decades. How to effectively remove harmful gases in automobile exhaust is one of the urgent problems to be solved in modern society, such as exhaust circulation, fuel tank oil vapor recovery, engine electronic control system and catalytic converter, etc. These purification methods either have poor purification effects, or purify The cost is high, and there is a lack of an exhaust gas purification device with good purification effect and low cost. Most of the existing automobile exhaust gas treatment technologies adopt primary exhaust gas treatment to a large extent, which is not good for the filtration of automobile exhaust gas, and a large part of harmful gases will be discharged.

Therefore, it is an important technical problem to be solved by those skilled in the art to provide an automobile exhaust treatment device capable of better purifying automobile exhaust and the automobile thereof.

Contents of the invention

The object of the present invention is to provide an automobile exhaust treatment device and the automobile thereof, so as to alleviate the technical problem of poor purification effect of automobile exhaust in the prior art.

An automobile exhaust purifier provided by the present invention comprises: a cylinder body, an air intake pipe, an exhaust pipe, a solid filter assembly, a liquid filter assembly and a sound-absorbing assembly; the air intake pipe and the exhaust pipe are located at the On both sides, the solid filter assembly and the liquid filter assembly are located inside the cylinder, the sound-absorbing assembly is located on the exhaust pipe, and the solid filter assembly is connected to the liquid filter assembly through an air duct; the The solid filter assembly is spliced by an S-shaped tube and a filter tube. A first check valve is provided at the inlet of the S-shaped tube. A solid filter is provided in the filter tube. connected, and a second one-way valve is arranged in the branch pipe.

Further, the intake pipe is connected to the S-shaped pipe through a first tapered pipe.

Further, the air inlet of the first one-way valve faces the air inlet pipe, and the air outlet of the first one-way valve faces the S-shaped pipe.

Further, the air inlet of the second one-way valve faces the air guide pipe, and the air outlet of the second one-way valve faces the air inlet pipe.

Further, one side of the liquid filter assembly is provided with an air inlet, and the other side is provided with an air outlet, the air guide pipe is arranged at the air inlet, and the exhaust pipe is arranged at the air outlet.

Further, the liquid filter assembly includes a clean room, a liquid inlet, a liquid discharge, a filtrate and a second conical tube;

The inside of the clean room is provided with the filtrate, the liquid inlet is set on the side wall of the clean room, the liquid discharge port is set at the bottom of the clean room, and the air guide tube extends into the The clean room is connected with the second conical tube, and the bottom of the second conical tube is located in the filtrate.

Further, a filter layer is provided inside the clean room, the filter layer is arranged at the air outlet, and the filter layer is located above the filtrate.

Further, the automobile exhaust purifier also includes a sound-absorbing component;

The liquid filter assembly is connected to the noise reduction assembly through an exhaust pipe;

The sound-absorbing assembly includes a pipe body, an outer cover arranged outside the pipe for sound absorption, and a sound-absorbing net arranged in the pipe body, and the sound-absorbing net is provided with sound-absorbing cotton.

Further, the two connected noise-absorbing nets are V-shaped

An automobile provided by the invention comprises the automobile exhaust purifier.

Beneficial effect:

An automobile exhaust purifier provided by the present invention comprises: a cylinder, an intake pipe, an exhaust pipe, a solid filter assembly and a liquid filter assembly; the intake pipe and the exhaust pipe are located on both sides of the cylinder, and the automobile exhaust enters The inside of the cylinder is filtered and purified and discharged from the exhaust pipe, and then discharged to the outside world. The inside of the cylinder is equipped with a solid filter assembly and a liquid filter assembly. The solid filter assembly is mainly used to purify small particles in the exhaust gas of the car, and the liquid filter assembly It is mainly used to purify the harmful gas in the automobile exhaust. The intake pipe extends into the cylinder and connects with the solid filter assembly. The solid filter assembly is connected with the liquid filter assembly through the air guide tube. The solid filter assembly is formed by splicing an S-shaped tube and a filter tube. As a result, the automobile exhaust first enters the S-shaped pipe, and then enters the filter pipe. The first check valve is set at the entrance of the S-shaped pipe. The automobile exhaust can enter the S-shaped pipe through the one-way valve, but cannot flow back from the S-shaped pipe to the inlet. In the trachea, the filter tube is equipped with a solid filter. When the exhaust gas passes through the filter tube, the particulate pollutants in the exhaust gas will be adsorbed and purified, or catalyzed into harmless substances, and then the exhaust gas will pass through the air guide tube from the solid filter assembly. Flow to the liquid filter assembly, where the intake pipe is connected to the air guide pipe through a branch pipe, and a second one-way valve is arranged in the branch pipe. The automobile exhaust can flow into the intake pipe from the air guide pipe, but cannot directly flow into the air guide pipe from the intake pipe. This setting can Reduce the load of the liquid filter assembly, so that the purification of the automobile exhaust is more thorough. The automobile exhaust is processed and discharged by the liquid filter assembly, which realizes a better function of purifying the automobile exhaust. Because the solid filter assembly and the liquid filter assembly are installed, the purification is greatly enhanced. Effect.

An automobile provided by the present invention is provided with an automobile exhaust purifier. Compared with the prior art, the automobile has the above-mentioned advantages, which will not be repeated here.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is the structural representation of the automobile exhaust purifier that the embodiment of the present invention provides;

Fig. 2 is a partial enlarged view of A in Fig. 1;

Fig. 3 is a partial enlarged view of B in Fig. 1;

Fig. 4 is a partial enlarged view of C in Fig. 1;

Fig. 5 is a schematic structural diagram of the sound-absorbing net in Fig. 4 .

Icons: 100 - cylinder; 101 - intake pipe; 1011 - first tapered pipe; 102 - exhaust pipe; 103 - air guide pipe; 104 - branch pipe; 1041 - second one-way valve; 200 - solid filter assembly; 201 - S-shaped tube; 2011 - first one-way valve; 202 - filter tube; 2021 - solid filter; 300 - liquid filter assembly; 301 - clean room; 302 - liquid inlet; 303 - liquid outlet; 304 - filtrate ; 305-second tapered pipe; 306-air inlet; 307-air outlet; 308-filter layer;

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

Fig. 1 is the schematic structural view of the automobile exhaust purifier that the embodiment of the present invention provides; Fig. 2 is the partial enlarged view of A among Fig. 1; Fig. 3 is the partial enlarged view of B among Fig. 1; Fig. 4 is the part of C among Fig. 1 Enlarged view; Fig. 5 is a schematic structural diagram of the sound-absorbing net in Fig. 4 .

As shown in Figures 1 to 5, an automobile exhaust purifier provided by an embodiment of the present invention includes: a cylinder body 100, an air intake pipe 101, an exhaust pipe 102, a solid filter assembly 200 and a liquid filter assembly 300; an air intake pipe 101 The exhaust pipe 102 is located on both sides of the cylinder 100, the solid filter assembly 200 and the liquid filter assembly 300 are located inside the cylinder 100, the solid filter assembly 200 is connected to the liquid filter assembly 300 through the air duct 103; the solid filter assembly 200 is composed of S The S-shaped pipe 201 is spliced with the filter pipe 202. A first one-way valve 2011 is arranged at the entrance of the S-shaped pipe 201. A solid filter agent 2021 is arranged in the filter pipe 202. The air inlet pipe 101 is connected with the air guide pipe 103 through the branch pipe 104. The branch pipe 104 is provided with a second one-way valve 1041 .

An automobile exhaust gas purifier provided by the present invention comprises: cylinder body 100, intake pipe 101, exhaust pipe 102, solid filter assembly 200, liquid filter assembly 300 and muffler assembly 400; On both sides of the body 100, the exhaust gas of the automobile enters the interior of the cylinder 100 from the intake pipe 101, and is discharged from the exhaust pipe 102 after being filtered and purified. 400, and then discharged to the outside, the cylinder 100 is provided with a solid filter assembly 200 and a liquid filter assembly 300, the solid filter assembly 200 is mainly used to purify the small particles in the automobile exhaust, and the liquid filter assembly 300 is mainly used to purify the automobile exhaust Harmful gas in the air, the air inlet pipe 101 extends into the cylinder body 100 and is connected to the solid filter assembly 200, and the solid filter assembly 200 is connected to the liquid filter assembly 300 through the air duct 103, wherein the solid filter assembly 200 is composed of an S-shaped tube 201 and a filter tube 202 spliced together, the automobile exhaust first enters the S-shaped pipe 201, and then enters the filter pipe 202, and the entrance of the S-shaped pipe 201 is provided with a first one-way valve 2011, and the automobile exhaust can enter the S-shaped pipe 201 through the one-way valve, but It cannot flow back from the S-shaped pipe 201 into the intake pipe 101. The filter pipe 202 is provided with a solid filter agent 2021. When the automobile exhaust passes through the filter pipe 202, the particulate pollutants in the automobile exhaust will be adsorbed and purified, or catalyzed into Harmless substances, then the automobile exhaust flows from the solid filter assembly 200 to the liquid filter assembly 300 through the air guide pipe 103, wherein the intake pipe 101 is connected with the air guide pipe 103 through the branch pipe 104, and the second check valve 1041 is arranged in the branch pipe 104, and the automobile exhaust gas can be Flow into the air intake pipe 101 from the air guide pipe 103, but cannot directly flow into the air guide pipe 103 from the air intake pipe 101, so that the load of the liquid filter assembly 300 can be reduced, and the purification of the automobile exhaust gas is more thorough. The automobile exhaust gas passes through the liquid filter assembly 300. After treatment, it is discharged from the exhaust pipe 102 to the silencer assembly 400, and then discharged through the silencer assembly 400. At the same time, the functions of purifying the automobile exhaust and silencing are realized. At the same time, because the solid filter assembly 200 and the liquid filter assembly 300 are installed, the purification is greatly enhanced Effect.

It should be pointed out that after the automobile exhaust is discharged from the engine, it enters the cylinder 100 through the intake pipe 101, then passes through the solid filter assembly 200 arranged in the cylinder 100, enters the liquid filter assembly 300 through the air guide pipe 103, and passes through the exhaust pipe. 102 is discharged from the cylinder 100, then enters the silencer assembly 400, and is discharged after the silencer treatment.

It should also be pointed out that the solid filter assembly 200 is spliced by an S-shaped tube 201 and a filter tube 202, the inlet of the S-shaped tube 201 is connected with the intake pipe 101, and the outlet of the S-shaped tube 201 is connected with the filter tube 202 , the automobile exhaust flows through the intake pipe 101-S-shaped pipe 201-filter pipe 202.

It should also be pointed out that the purpose of setting the S-shaped pipe 201 is that when the automobile exhaust gas enters the S-shaped pipe 201, it turns frequently, so that the gas can be vibrated, and the particles in the automobile exhaust gas collide with each other and adsorb together, which is convenient for subsequent Filter jobs.

It should also be pointed out that a first one-way valve 2011 is provided at the entrance of the S-shaped pipe 201, the generator discharges high-temperature and high-pressure exhaust gas, and the automobile exhaust gas is introduced into the S-shaped pipe 201 through a pipeline, because the S-shaped pipe 201 is connected with a filter tube 202, the exhaust gas is purified in the first step in the filter tube 202, and the exhaust gas will flow slowly here. In order to prevent the exhaust gas from flowing back into the intake pipe 101, a first one-way valve 2011 is installed at the entrance of the S-shaped pipe 201, and at the same time it can The pressure of the exhaust gas in the S-shaped pipe 201 is increased to improve the purification efficiency of the filter pipe 202 .

It should also be pointed out that the solid filter assembly 200 is connected to the liquid filter assembly 300 through the air guide tube 103, and the air guide tube 103 is connected to the intake pipe 101 through the branch pipe 104. Because the liquid filter assembly 300 is purified slowly, in order to ensure the purification quality, the branch pipe is used 104 connects the air guide pipe 103 with the intake pipe 101. When the internal pressure of the liquid filter assembly 300 rises, the external exhaust gas cannot enter. At this time, it flows back to the intake pipe 101 through the branch pipe 104. In order to prevent the exhaust gas in the intake pipe 101 from passing through The branch pipe 104 directly enters the air guide pipe 103, and a second check valve 1041 is arranged in the branch pipe 104. Under the action of the second check valve 1041, the exhaust gas in the air guide pipe 103 can enter the intake pipe 101 through the branch pipe 104, and the intake pipe Exhaust gas in 101 cannot directly enter the air duct 103 , and needs to be purified by the solid filter assembly 200 before entering the air duct 103 .

In an optional solution of this embodiment, the intake pipe 101 is connected to the S-shaped pipe 201 through a first tapered pipe 1011 .

The intake pipe 101 is connected with the S-shaped pipe 201, which can lead the automobile exhaust gas into the S-shaped pipe 201. In order to improve the introduction efficiency and other pressures, the intake pipe 101 and the S-shaped pipe 201 are connected together through the first tapered pipe 1011. The first The thin end of the tapered pipe 1011 is connected with the S-shaped pipe 201 , and the thick end is connected with the intake pipe 101 .

It should be pointed out that, according to the principle of gas pressure, after the automobile exhaust gas passes through the first conical pipe 1011, the exhaust gas will be pressurized, which is beneficial to the follow-up work.

In an alternative solution of this embodiment, the air inlet 306 of the first one-way valve 2011 faces the air inlet pipe 101 , and the air outlet 307 of the first one-way valve 2011 faces the S-shaped pipe 201 .

The air inlet 306 of the first one-way valve 2011 faces the air intake pipe 101, and the air outlet 307 of the first one-way valve 2011 faces the S-shaped pipe 201, so that the exhaust gas can enter the S-shaped pipe 201, but cannot flow out of the S-shaped pipe 201 .

It should be pointed out that the first one-way valve 2011 is an air one-way valve.

In an alternative solution of this embodiment, the air inlet 306 of the second one-way valve 1041 faces the air duct 103 , and the air outlet 307 of the second one-way valve 1041 faces the air inlet pipe 101 .

The air inlet 306 of the second one-way valve 1041 faces the air guide pipe 103, and the air outlet 307 of the second one-way valve 1041 faces the air inlet pipe 101, so that the exhaust gas can flow into the air inlet pipe 101 from the air guide pipe 103, but cannot flow from the air inlet pipe. The trachea 101 flows directly into the airway 103 .

It should be noted that the second one-way valve 1041 is an air one-way valve.

In the optional solution of this embodiment, one side of the liquid filter assembly 300 is provided with an air inlet 306, and the other side is provided with an air outlet 307, the air guide pipe 103 is arranged at the air inlet 306, and the exhaust pipe 102 is arranged at the air outlet 307 places.

One side of the clean room 301 is provided with an air inlet 306 , and the other side is provided with an air outlet 307 , and the air guide pipe 103 enters into the clean room 301 through the air inlet 306 and is connected with the second tapered pipe 305 .

It should be pointed out that the exhaust gas filtered and purified by the filtrate 304 is discharged from the gas outlet 307 .

In the optional solution of this embodiment, the liquid filter assembly 300 includes a clean room 301, a liquid inlet 302, a liquid discharge port 303, a filtrate 304, and a second conical tube 305; the inside of the clean room 301 is provided with a filtrate 304, and the liquid inlet 302 is arranged on the side wall of the clean room 301, the liquid outlet 303 is set at the bottom of the clean room 301, the air guide pipe 103 stretches into the clean room 301 and is connected with the second tapered pipe 305, and the bottom of the second tapered pipe 305 is located at In the filtrate 304.

The liquid filter assembly 300 comprises a clean room 301, a liquid inlet 302, a liquid outlet 303, a filtrate 304 and a second conical pipe 305, the clean room 301 is provided with a filtrate 304, and the air guide tube 103 extends into the clean room 301 to connect with the second The conical pipe 305 is connected, and the bottom of the second conical pipe 305 is located in the filtrate 304 . The tail gas enters the purification chamber 301 through the pipeline, is injected into the filtrate 304 , and reacts with the filtrate 304 .

It should be pointed out that the air guide pipe 103 extends into the purification chamber 301 and is connected with the second conical pipe 305, through which the exhaust gas is accelerated, which can improve the purification efficiency.

It should also be pointed out that when the filtrate 304 loses its effect, it can be discharged from the drain port 303 , and new filtrate 304 can be added from the liquid inlet port 302 .

In an optional solution of this embodiment, a filter layer 308 is further provided inside the clean room 301 , the filter layer 308 is arranged at the gas outlet 307 , and the filter layer 308 is located above the filtrate 304 .

A filter layer 308 is also provided inside the clean room 301, and the filter layer 308 is arranged at the air outlet 307, and the filter layer 308 is located above the filtrate 304, and the filter layer 308 can prevent the tail gas from sticking to the filtrate 304.

It should be pointed out that the filter layer 308 is arranged at the gas outlet 307 and is mainly used to absorb the filtrate 304 in the exhaust gas.

In an optional solution of this embodiment, the liquid filter assembly 300 is connected to the noise reduction assembly 400 through the exhaust pipe 102; The sound-absorbing net 403 of the sound-absorbing net 403 is provided with the sound-absorbing cotton.

The liquid filter assembly 300 is connected to the muffler assembly 400 through the exhaust pipe 102. The exhaust gas comes out from the liquid filter assembly 300 and enters the pipe body 401 along the exhaust pipe 102. An outer cover 402 is arranged on the outer wall of the pipe body 401. The outer cover 402 is used for Absorb vibration and noise to achieve noise reduction effect. At the same time, the pipe body 401 is provided with a noise reduction net 403, and the noise reduction net 403 is provided with a noise reduction cotton. Through such an arrangement, the noise reduction function can be realized.

It should be pointed out that multiple sound-absorbing nets can be set in the pipe body 401 .

In an optional solution of this embodiment, the two connected noise-absorbing nets 403 are V-shaped.

The sound-absorbing nets 403 are arranged obliquely in the pipe body 401. After being installed, two adjacent sound-absorbing nets 403 are V-shaped, which can increase the contact area of the exhaust gas and improve the sound-absorbing effect.

An automobile provided by an embodiment of the present invention includes an automobile exhaust purifier.

The invention provides an automobile, which is provided with an automobile exhaust purifier. Automobile exhaust enters the interior of cylinder 100 from intake pipe 101, and is discharged from exhaust pipe 102 after being filtered and purified. Exhaust pipe 102 is connected with muffler assembly 400. outside world. Specifically, the solid filter assembly 200 is mainly used to purify small particulate matter in automobile exhaust, and the liquid filter assembly 300 is mainly used to purify harmful gases in automobile exhaust. The solid filter assembly 200 is connected to the liquid filter assembly 300 through the air guide tube 103, wherein The solid filter assembly 200 is composed of an S-shaped pipe 201 and a filter pipe 202. The exhaust gas is firstly purified by the solid filter assembly 200. After the vehicle exhaust is processed by the liquid filter assembly 300, it is discharged from the exhaust pipe 102 to the muffler assembly 400. After the assembly 400 is discharged, the functions of purifying automobile exhaust gas and noise reduction are realized at the same time, and the purification effect is greatly enhanced due to the installation of the solid filter assembly 200 and the liquid filter assembly 300 .

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. a kind of automobile exhaust purifier is it is characterised in that include：Cylinder, air inlet pipe, exhaustor, solid filter assemblies and liquid Body filter assemblies；

Described air inlet pipe and described exhaustor are located at both sides, described solid filter assemblies and the described liquid mistake of described cylinder respectively Filter assembly is located at the inside of described cylinder, and described solid filter assemblies are connected with described liquid filter assemblies by airway；

Described solid filter assemblies are spliced by S-shaped pipe and filter tube, and described S-shaped pipe entrance is provided with the first check valve, It is provided with solid filtering agent, described air inlet pipe is connected with described airway by arm, sets in described arm in described filter tube It is equipped with the second check valve.

2. automobile exhaust purifier according to claim 1 it is characterised in that described air inlet pipe pass through the first conical pipe with Described S-shaped pipe connects.

3. automobile exhaust purifier according to claim 1 is it is characterised in that the air inlet direction of described first check valve Air inlet pipe, the gas outlet of described first check valve is towards described S-shaped pipe.

4. automobile exhaust purifier according to claim 3 is it is characterised in that the air inlet direction of described second check valve Described airway, the gas outlet of described second check valve is towards described air inlet pipe.

5. automobile exhaust purifier according to claim 4 is it is characterised in that described liquid filter assemblies side is provided with Air inlet, opposite side is provided with gas outlet, and described airway is arranged at described air inlet, described exhaustor be arranged on described in go out At QI KOU.

6. automobile exhaust purifier according to claim 5 is it is characterised in that described liquid filter assemblies also include purifying Room, inlet, leakage fluid dram and the second conical pipe；

Described clean room is internally provided with filtrate, and described inlet is arranged on the side wall of described clean room, described leakage fluid dram setting In the bottom of described clean room, described airway stretch into described purify indoor be connected with described second conical pipe, described second bores Shape pipe extend in described filtrate.

7. automobile exhaust purifier according to claim 6 is it is characterised in that be additionally provided with filtration inside described clean room Layer, described filter layer is arranged at described gas outlet, and described filter layer is located above described filtrate.

8. automobile exhaust purifier according to claim 7 is it is characterised in that also include noise reduction assembly；

Described liquid filter assemblies are connected with described noise reduction assembly by exhaustor；

Described noise reduction assembly includes body, is arranged on outside described body and is used for the outer housing of sound-absorbing and is arranged on disappearing in described body Sound net, described silencing net is provided with silencing cotton.

9. automobile exhaust purifier according to claim 8 is it is characterised in that two connected described silencing nets are V-shaped.

10. a kind of automobile is it is characterised in that include the automobile exhaust purifier described in any one of claim 1-9.