CN217999739U - Hydrocarbon adsorption device, vehicle engine air treatment system and vehicle - Google Patents
Hydrocarbon adsorption device, vehicle engine air treatment system and vehicle Download PDFInfo
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- CN217999739U CN217999739U CN202222523525.6U CN202222523525U CN217999739U CN 217999739 U CN217999739 U CN 217999739U CN 202222523525 U CN202222523525 U CN 202222523525U CN 217999739 U CN217999739 U CN 217999739U
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Abstract
The utility model provides a hydrocarbon adsorption device, vehicle engine air treatment system and vehicle, wherein, this hydrocarbon adsorption device includes the casing, forms gas circuit in the casing, this hydrocarbon adsorption device still includes: the adsorption medium is arranged on a path traveled by the gas circuit to adsorb hydrocarbon in the gas flow flowing through the gas circuit; the heating device is arranged in the shell and acts on the adsorption medium to heat the adsorption medium. The utility model discloses a hydrocarbon adsorption device utilizes heating device to heat adsorption medium, can realize the high temperature desorption to the adsorbed hydrocarbon of adsorption medium to realize hydrocarbon adsorption device's regeneration in order can recycle, avoid leading to discharging the emergence of pollutant problem that exceeds standard because of unable absorption again after hydrocarbon adsorption device reaches rated adsorption threshold value.
Description
Technical Field
The utility model relates to a car technical field that admits air, in particular to hydrocarbon adsorption equipment. Additionally, the utility model discloses still relate to a vehicle engine air treatment system and vehicle.
Background
With the increasing preservation of automobiles, the environmental impact of pollutants discharged from automobiles is increasing. With the establishment of the six-emission regulation in China, the emission of hydrocarbons for 24h of the whole vehicle is required to be less than 300mg. For automotive applications, unburned fuel vapors from the engine are a major source of hydrocarbon pollutants.
For a naturally aspirated engine, after the engine is stopped, fuel steam with a certain temperature is contained in an air inlet manifold and a crankcase ventilation pipe, and under the action of pressure, the fuel steam in the air inlet manifold and the fuel steam in the crankcase can diffuse outwards along an air inlet system pipeline and finally volatilize into the atmosphere from an air inlet to pollute the air; after the supercharged engine is stopped, fuel vapor in the intake manifold and the crankcase can diffuse to the atmosphere along the intercooling pipeline and the intake pipeline, and air pollution can be caused.
In order to prevent unburned fuel steam of an engine from being discharged into the atmosphere, a hydrocarbon adsorption device is usually additionally arranged on an air inlet pipeline of a traditional air inlet system and is used for adsorbing hydrocarbon; however, the adsorption capacity of the hydrocarbon adsorption device is limited, and the hydrocarbon adsorption device cannot be desorbed under the normal-temperature working condition, and when the hydrocarbon adsorption device reaches the rated adsorption threshold value, the hydrocarbon adsorption device cannot play a role any more, so that unburned fuel steam of the engine is discharged into the atmosphere, and the emission standard exceeding caused by environmental pollution is further caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a hydrocarbon adsorbing device to realize the recycling of the hydrocarbon adsorbing device.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a hydrocarbon adsorbing device comprising a housing, a gas path formed in the housing, and further comprising: the adsorption medium is arranged on a path traveled by the gas circuit to adsorb hydrocarbon in the gas flow flowing through the gas circuit; and the heating device is arranged in the shell and acts on the adsorption medium to heat the adsorption medium.
Furthermore, the gas path extends along the axis of the shell and is arranged in the middle of the shell, and the adsorption medium is filled between the gas path and the inner wall of the shell.
Further, the heating device comprises a heat conductor embedded in the adsorption medium, and a power supply electrically connected with the heat conductor.
Further, the heat conductor adopts a spiral heating pipe.
Further, the heat conductor is arranged in a plurality, and the plurality of heat conductors are arranged in a common center line.
Further, the air path is configured in an hourglass shape.
Furthermore, a vent pipe extending along the axial direction of the shell is arranged in the shell, and the air passage is formed in the vent pipe; the adsorption medium is filled between the vent pipe and the inner wall of the shell; the vent pipe is provided with a communicating hole in a penetrating way.
Further, the adsorption medium is made of zeolite.
Compared with the prior art, the utility model discloses following advantage has:
hydrocarbon adsorption equipment, application heating device heats adsorption medium, can realize the high temperature desorption to adsorption medium absorbent hydrocarbon to realize hydrocarbon adsorption equipment's regeneration in order can recycle, avoid leading to discharging pollutant problem that exceeds standard because of hydrocarbon adsorption equipment can't adsorb again after reaching rated adsorption threshold value.
In addition, the heat conductor adopts spiral heating pipe, can guarantee the adsorption medium to the smooth absorption of hydrocarbon in the air current, has better heating effect, is convenient for arrange simultaneously. In addition, a plurality of heat conductors can be to the adsorption medium even heating in the casing to guarantee the desorption effect to hydrocarbon.
In addition, the air path is constructed in an hourglass shape, so that the air flow can be guided, and can be easily introduced between the shell and the vent pipe so as to be adsorbed by the hydrocarbon, and the adsorption effect of the adsorption medium on the hydrocarbon is improved.
Another object of the utility model is to provide a vehicle engine air treatment system, including air inlet pipe way, engine system the air inlet pipe way with be connected between engine system's the inlet end as above hydrocarbon adsorption equipment, hydrocarbon adsorption equipment connects via air cleaner on engine system's the pinch roller.
Compared with the prior art, vehicle engine air treatment system, through being connected between admission line and engine system as above hydrocarbon adsorption equipment, can utilize the engine under the accelerator suddenly accelerates the operating mode, the high negative pressure that the admission line produced inhales the hydrocarbon mist after the high temperature desorption into the engine and participates in the burning to accomplish hydrocarbon adsorption equipment's regeneration cycle, thereby avoid because of the regeneration of the pollutant emission problem that hydrocarbon adsorption equipment adsorption capacity exceeds standard and leads to.
Additionally, the utility model discloses a vehicle is still proposed, and this vehicle includes as above vehicle engine air treatment system. The vehicle and the vehicle engine air treatment system as described above have the same beneficial effects as compared with the prior art, and therefore are not described herein again.
Drawings
The accompanying drawings, which form a part of the present disclosure, are provided to further understand the present disclosure, and the exemplary embodiments and descriptions thereof are used to explain the present disclosure, wherein the related front and back, upper and lower, and other words are only used to represent relative positional relationships, which do not constitute an improper limitation of the present disclosure. In the drawings:
fig. 1 is a schematic view of an overall structure of a hydrocarbon adsorbing device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an air treatment system of a vehicle engine according to an embodiment of the present invention.
Description of reference numerals:
1. a housing; 100. a gas circuit; 2. an adsorbent media; 3. a heating device; 300. a thermal conductor; 4. a breather pipe; 400. a communicating hole; 5. an air cleaner; 6. an air intake line; 7. a turbine; 8. a pinch roller; 9. a fan; 10. an intercooler; 11. an engine; 12. a post-processing module; 13. a muffler module; 14. an electronic control unit; 15. a hydrocarbon adsorbing device.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same order, but are to be construed as referring to the same order.
In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
This embodiment relates to a hydrocarbon adsorption equipment 15, realizes high temperature desorption to hydrocarbon, realizes hydrocarbon adsorption equipment 15's regeneration in order to can recycle, avoids leading to the emergence of the pollutant emission problem that exceeds standard because of unable absorption again after hydrocarbon adsorption equipment 15 reaches rated adsorption threshold value.
In a whole structure, the hydrocarbon adsorbing device 15 comprises a housing 1, a gas path 100 formed in the housing 1, and the hydrocarbon adsorbing device 15 further comprises an adsorbing medium 2 and a heating device 3. Wherein, the adsorption medium 2 is arranged on the path of the gas circuit 100 to adsorb hydrocarbon in the gas flow passing through the gas circuit 100, and the heating device 3 is arranged in the housing 1 and acts on the adsorption medium 2 to heat the adsorption medium 2.
Based on the above overall design, an exemplary structure of the hydrocarbon adsorbing device 15 of the present embodiment is shown in fig. 1, and it should be noted that the housing 1 is a hollow cylinder, and when the air flow passes through the air path 100, hydrocarbons in the air flow can be adsorbed on the adsorbing medium 2, so as to avoid the emission of pollutants exceeding the standard.
In this embodiment, the gas path 100 extends along the axis of the housing 1 and is disposed in the middle of the housing 1, and the adsorption medium 2 is filled between the gas path 100 and the inner wall of the housing 1. It is worth mentioning that when the hydrocarbon adsorbing device 15 is used, the airflow can pass through the adsorbing medium 2 and fully contact with the adsorbing medium 2, so as to ensure the use effect of the hydrocarbon adsorbing device 15. In addition, the hydrocarbon adsorbing device 15 is shown in a horizontal use state in fig. 1, but of course, the hydrocarbon adsorbing device 15 may also be placed vertically, which can also achieve the purpose of adsorbing hydrocarbons.
In addition, in order to improve the hydrocarbon adsorption effect of the hydrocarbon adsorption device 15, as a preferred embodiment, the gas path 100 in the present embodiment is configured in an hourglass shape. Specifically, the diameter of the middle position of the air path 100, that is, the middle position of the housing 1, is the smallest, the diameter gradually increases from the middle position of the air path 100 to the left and right sides, and the air path 100 is symmetrically arranged about the center line of the length of the housing 1.
It can be understood that, when the air flow enters from one end of the air path 100, because the diameters of the two sides and the middle position of the air path 100 are different, after the air flow enters, because the diameter of the middle position of the air path 100 is the largest, the air flow can directly enter the adsorption medium 2, and the air flow can be guided by the air path 100 and can be more easily contacted with the adsorption medium 2, so as to improve the adsorption effect of the hydrocarbon adsorption device 15.
Besides, the aforementioned heating device 3 includes a heat conductor 300 embedded in the adsorption medium 2, and a power supply electrically coupled to the heat conductor 300. It should be noted that, when the heat conductor 300 heats the adsorption medium 2, the hydrocarbons on the adsorption medium 2 can be desorbed from the adsorption medium 2 due to high temperature, and after the hydrocarbons are desorbed, the hydrocarbons can be mixed with the gas and discharged, so that the hydrocarbon adsorption device 15 can be regenerated for recycling, and the problem that the discharged pollutants exceed the standard due to the fact that the hydrocarbon adsorption device 15 cannot be re-adsorbed after reaching the rated adsorption threshold is avoided.
In a preferred embodiment, the heat conductor 300 is a spiral heating pipe, but a heating wire or the like may be used as the heat conductor 300. However, the spiral heating pipe is preferably used because it has an advantage of a high heating speed and a good heating effect. And because the spiral heating pipe is simple in structure and convenient to arrange, the adsorption medium 2 can be ensured to smoothly adsorb hydrocarbons in the air flow.
In order to ensure the heating effect of the heat conductor 300 on the adsorption medium 2, in the present embodiment, the heat conductor 300 is provided in plurality, and the plurality of heat conductors 300 are arranged in a concentric line. Also, the number of the heat conductors 300 may be two, three, etc., and the specific number thereof may be selected according to the diameter of the housing 1, and is not particularly limited in the present embodiment.
It should be noted that, when the number of the heat conductors 300 is two, the diameter of one heat conductor 300 is different from the diameter of the other heat conductor 300, so that the adsorption medium 2 is distributed around the heat conductors 300, the heat conductors 300 act simultaneously, the adsorption medium 2 can be heated more uniformly by the heat conductors 300, and the hydrocarbons can be separated from the adsorption medium 2 under high temperature, thereby ensuring the desorption effect of the hydrocarbons.
In the present embodiment, the gas path 100 is provided with a vent pipe 4 extending in the axial direction of the housing 1 in the housing 1, the gas path 100 is formed in the vent pipe 4, the adsorption medium 2 is filled between the vent pipe 4 and the inner wall of the housing 1, and the vent pipe 4 is formed with a through hole 400. Furthermore, the heat conductor 300 is also located between the breather pipe 4 and the inner wall of the casing 1, and the breather pipe 4 is located inside the casing 1 so as to form the air passage 100, that is, the breather pipe 4 has an hourglass shape.
And the stability that adsorption medium 2 was filled can be guaranteed in the setting of breather pipe 4, makes adsorption medium 2 fix in casing 1. It should be noted that the communication holes 400 are uniformly distributed on the inner wall of the breather pipe 4, and the diameter of the communication holes 400 is preferably smaller than the diameter of the adsorption medium 2 so as not to leak the adsorption medium 2 from the communication holes 400. In particular, the adsorption medium 2 is made of zeolite. Wherein the zeolite can be silicate, luminescent, Y-type, ZSM-5 type and beta type zeolite, and is used for adsorbing hydrocarbon in fuel steam.
This embodiment hydrocarbon adsorption equipment 15, application heating device 3 heats adsorption medium 2, can realize the high temperature desorption to the hydrocarbon that adsorption medium 2 adsorbs to realize hydrocarbon adsorption equipment 15's regeneration in order to can recycle, avoid leading to the emergence of the pollutant emissions problem that exceeds standard because of can't carrying out the desorption again after hydrocarbon adsorption equipment 15 reaches rated adsorption threshold value.
Example two
The embodiment relates to a vehicle engine air treatment system, which comprises an air inlet pipeline 6 and an engine system, wherein a hydrocarbon adsorption device 15 according to the first embodiment is connected between the air inlet pipeline 6 and an air inlet end of the engine system. The air inlet pipeline 6 is made of engineering plastics, and the shell 1 in the hydrocarbon adsorption device 15 is made of metal materials, so that the problem of fatigue durability caused by low temperature resistance of the engineering plastics is avoided.
The vehicle engine air treatment system further includes a turbocharger, an intercooling and heat dissipation module, an engine 11, an aftertreatment module 12, a muffler module 13, and an electronic control unit 14. The turbocharger consists of a turbine 7 and a pressure wheel 8, the intercooling heat dissipation module consists of a fan 9 and a intercooler 10, the hydrocarbon adsorption device 15 is connected to the pressure wheel 8 of the engine system through an air filter 5, the electronic control unit 14 is used for starting a power supply in the first embodiment, and the electronic control unit 14 can be an ECU.
The working process of the air treatment system of the vehicle engine is that outside air enters the air filter 5 for filtering through the air inlet pipeline 6 and the hydrocarbon adsorption device 15, purified clean air enters the intercooling heat dissipation module after being pressurized through the pressing wheel 8 of the turbocharger, the air is subjected to temperature regulation and control through the fan 9 and the intercooler 10, the air with proper temperature after being regulated and controlled enters the engine 11 for combustion, combusted waste gas enters the post-treatment module 12 through the turbine 7 of the turbocharger and is finally treated by the silencer module 13 and then is discharged.
When the heating device 3 is started by the electronic control unit 14, hydrocarbons are desorbed under high temperature conditions to form hydrocarbon mixed gas, then the hydrocarbon mixed gas enters the air filter 5 for filtration, purified clean air is pressurized by the pressure wheel 8 of the turbocharger and then enters the intercooling heat dissipation module, the air is subjected to temperature regulation and control by the fan 9 and the intercooler 10, the regulated and controlled air with proper temperature enters the engine 11 for combustion, combusted waste gas enters the aftertreatment module 12 through the turbine 7 of the turbocharger to participate in oxidation-reduction reaction so as to purify the hydrocarbons, and finally the hydrocarbon is treated by the silencer module 13 and then discharged.
According to the vehicle engine air treatment system, the hydrocarbon adsorption device 15 in the first embodiment is connected between the air inlet pipeline 6 and the engine system, so that the high negative pressure generated by the air inlet pipeline 6 under the condition that the engine 11 is under the large throttle rapid acceleration can be used for sucking the hydrocarbon mixed gas after high-temperature desorption into the engine 11 to participate in combustion, the regeneration cycle of the hydrocarbon adsorption device 15 is completed, and the regeneration of the pollutant emission problem caused by the fact that the adsorption amount of the hydrocarbon adsorption device 15 exceeds the standard is avoided.
EXAMPLE III
The present embodiment relates to a vehicle, which includes a vehicle engine air treatment system according to the second embodiment, and the vehicle according to the present embodiment and the vehicle engine air treatment system according to the second embodiment have the same beneficial effects as the prior art, and no further description is given in this embodiment.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hydrocarbon adsorbing device including a housing (1), a gas passage (100) formed in the housing (1), characterized in that the hydrocarbon adsorbing device (15) further includes:
the adsorption medium (2) is arranged on a path where the gas path (100) runs to adsorb hydrocarbon in the gas flow flowing through the gas path (100);
and the heating device (3) is arranged in the shell (1) and acts on the adsorption medium (2) to heat the adsorption medium (2).
2. The hydrocarbon adsorbing device according to claim 1, wherein:
the gas path (100) extends along the axis of the shell (1) and is arranged in the middle of the shell (1), and the adsorption medium (2) is filled between the gas path (100) and the inner wall of the shell (1).
3. The hydrocarbon adsorbing device according to claim 2, wherein:
the heating device (3) comprises a heat conductor (300) embedded in the adsorption medium (2) and a power supply electrically connected with the heat conductor (300).
4. The hydrocarbon adsorbing device according to claim 3, wherein:
the heat conductor (300) adopts a spiral heating pipe.
5. The hydrocarbon adsorbing device according to claim 4, wherein:
the heat conductor (300) is provided in plurality, and the plurality of heat conductors (300) are arranged in a common center line.
6. The hydrocarbon adsorbing device according to claim 2, wherein:
the air passage (100) is configured in an hourglass shape.
7. The hydrocarbon adsorbing device according to claim 2, wherein:
a vent pipe (4) extending along the axial direction of the shell (1) is arranged in the shell (1), and the air path (100) is formed in the vent pipe (4); the adsorption medium (2) is filled between the vent pipe (4) and the inner wall of the shell (1); a communicating hole (400) is formed on the vent pipe (4) in a penetrating way.
8. The hydrocarbon adsorbing device according to any one of claims 1 to 7, wherein:
the adsorption medium (2) is made of zeolite.
9. A vehicle engine air handling system comprising an air intake conduit (6), an engine system, characterized in that:
a hydrocarbon adsorbing device (15) according to any of claims 1 to 8 is connected between the inlet line (6) and the inlet end of the engine system, the hydrocarbon adsorbing device (15) being connected to the pinch roller (8) of the engine system via an air filter (5).
10. A vehicle comprising a vehicle engine air handling system according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222523525.6U CN217999739U (en) | 2022-09-22 | 2022-09-22 | Hydrocarbon adsorption device, vehicle engine air treatment system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222523525.6U CN217999739U (en) | 2022-09-22 | 2022-09-22 | Hydrocarbon adsorption device, vehicle engine air treatment system and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217999739U true CN217999739U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222523525.6U Active CN217999739U (en) | 2022-09-22 | 2022-09-22 | Hydrocarbon adsorption device, vehicle engine air treatment system and vehicle |
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| CN (1) | CN217999739U (en) |
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- 2022-09-22 CN CN202222523525.6U patent/CN217999739U/en active Active
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