CN203362270U - Treating device for exhaust particle of diesel engine set - Google Patents
Treating device for exhaust particle of diesel engine set Download PDFInfo
- Publication number
- CN203362270U CN203362270U CN 201320457456 CN201320457456U CN203362270U CN 203362270 U CN203362270 U CN 203362270U CN 201320457456 CN201320457456 CN 201320457456 CN 201320457456 U CN201320457456 U CN 201320457456U CN 203362270 U CN203362270 U CN 203362270U
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- China
- Prior art keywords
- diesel engine
- particulate matter
- lower cover
- hollow casing
- tail gas
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- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a treating device for an exhaust particle of a diesel engine set. The treating device comprises a hollow shell, an upper cover and a lower cover, wherein the upper cover is arranged at the top of the hollow shell, and the lower cover is arranged at the bottom of the hollow shell. The hollow shell comprises a cylinder part and a cone part which are connected with each other in an up-down manner, and the diameter of the upper end of the cone part is larger than the diameter of the lower end of the cone part. At least one gas inlet is formed in the cylinder part along the tangential direction of the inner wall of the cylinder part, and a gas outlet is formed in the middle part of the upper cover. A particle adsorber is installed on the lower cover and comprises a housing and an absorbent arranged in the housing. On the basis of a cyclone separation technology, the device is additionally provided with the particle adsorber which is used for adsorbing particles in exhaust of the diesel engine set. No moving part exists, and the energy consumption and the operating cost are low. The device can effectively adsorb solid particles with the diameter being 5-10mu m in the exhaust and partly adsorb solid particles with the diameter being below 5mu m in the exhaust.
Description
Technical field
The utility model relates to the exhaust gas processing device technical field, especially a kind of diesel engine unit tail gas particulate matter treatment device.
Background technique
For operation cost, consider, marine diesel engine uses high-sulfur, full-bodied inferior heavy oil to act as a fuel mostly.Therefore, the composition of its toxic emission is more complicated, except oxynitrides (NO
x) in addition, also comprise carbon monoxide (CO), hydrocarbon (HC), oxygen sulfur compound (SO
x) and particulate matter (PM) etc.But, further harsh to the restriction of pollutant in the ship tail gas discharge in the world, as stipulated in " Rhine regulations " from 1 day July in 2007, CO, HC, NO in big marine diesel engine tail gas
xand the maximum allowable discharge amount of PM is respectively 3.5,1.0,6.0 and 0.2kg/kWh.Three grades of promotion power diesel engine limit row standards of EPA's regulation required especially before 2014, and PM is reduced to 0.11kg/kWh, HC and NO
xtotal amount is low to moderate 5.6kg/kWh.
Two kinds of the main organic interior processing of the method for control marine diesel engine exhaust emissions at present and machine reprocessings.In machine, the key of processing method is to adjust intake and exhaust, injection timing in diesel engines, improves combustion process, to control the harmful substance composition in exhaust.But the method is high to the technical requirements difficulty, and treatment effect is limited.And external purification is exhaust aftertreatment, diesel exhaust gas is introduced in special after-treatment device, enter again atmosphere after elimination part particulate wherein.The reforming cost of the method is lower, but current after-treatment device spininess is to oxynitrides (NO
x) and oxygen sulfur compound (SO
x).
Summary of the invention
Technical problem to be solved in the utility model is: a processing difficult problem that overcomes diesel engine unit tail gas particulate matter in prior art, a kind of diesel engine unit tail gas particulate matter treatment device is provided, can effectively absorb the solid particle of 5～10 μ m in tail gas, partially absorb the following solid particle of 5 μ m in tail gas, solve the processing difficult problem of diesel engine vent gas.
The utility model solves the technological scheme that its technical problem adopts: a kind of diesel engine unit tail gas particulate matter treatment device, comprise hollow casing and be separately positioned on the upper cover at hollow casing top and the lower cover of bottom, described hollow casing comprises cylinder part and round platform body, the upper end diameter of described round platform body is greater than lower end diameter, cylinder part is positioned at the upper end of round platform body, tangent direction along its inwall on described cylinder part is provided with at least one suction port, described upper cover middle part is provided with air outlet, cover under described the particulate matter adsorber is installed, described particulate matter adsorber comprises housing and is placed in the absorbing agent in housing.The tail gas that diesel engine unit produces enters hollow casing from suction port, along the spiral inner wall of hollow casing, flows downward, and heavier particulate matter sinks to being caught by the particulate matter adsorber, and lighter gas is discharged from the air outlet of upper cover, forms cyclonic separation.
As preferably, described absorbing agent is charing Micro-wood Fiber (CMWF).Wood fiber has six natural prismatic holes, possess good dust adsorptivity and gas permeability, adsorption function to carbon soot particles (PM) after active charing is that other filtering material is incomparable, that a kind of environmental protection, cost that meets Euro V emissions is low, purification efficiency is high, low density charing Micro-wood Fiber filter, not only there is very high porosity ratio, very large specific surface area, especially after active charing, its surface has active function groups, can under the on-catalytic condition, remove NO simultaneously
xand PM, effectively extend working life of filter core.
Further, improve absorption efficiency, described charing Micro-wood Fiber is the lamination shape and distributes.
For ease of installation and the replacing of particulate matter adsorber, the cylindrical shape that described lower cover is an end sealing, the sidewall of cylindrical shape lower cover has internal thread, and the lower end of described hollow casing has outside thread, and described cylindrical shape lower cover is connected with the hollow casing screw-thread fit.Lower cover can be dismantled easily, has also just facilitated installation and the replacing of particulate matter adsorber.
Another kind of embodiment, the hollow round table shape that described lower cover is an end sealing, the lower end of hollow casing has the port matched with hollow round table shape lower cover inwall, the fixed by snap connection between lower cover and hollow casing.
Further, the cylinder part of described hollow casing is provided with four suction ports.
Further, described four suction ports circumferentially are distributed on the cylinder part of hollow casing.Four circumferential uniform suction ports can form stable spiral wind better, improve the cyclonic separation effect.
The beneficial effects of the utility model are: diesel engine unit tail gas particulate matter treatment device of the present utility model, set up the particulate matter adsorber on Cyclone Separation Technology, for the particulate matter absorption of diesel engine unit tail gas, owing to there not being moving element, energy consumption is low, and operating cost is low; And simple in structure, maintenance facilitates, working efficiency is higher; Can effectively absorb the solid particle of 5～10 μ m in tail gas, partially absorb the following solid particle of 5 μ m in tail gas; Can be widely used in various marine diesel engine and Generator Set diesel engine, further can be applied to adopt the Heavy Duty Diesel Engine of heavy oil.
The accompanying drawing explanation
Fig. 1 is that the master of diesel engine unit tail gas particulate matter treatment device the first mode of execution looks sectional view.
Fig. 2 is the plan view of diesel engine unit tail gas particulate matter treatment device the first mode of execution.
Fig. 3 is that diesel engine unit tail gas particulate matter treatment device the second mode of execution master looks sectional view.
In figure: 1. hollow casing, 11. cylinder parts, 12. round platform bodies, 13. suction ports, 2. upper cover,
21. air outlet, 3. lower cover, 4. particulate matter adsorber.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of diesel engine unit tail gas particulate matter treatment device of the present utility model, comprise hollow casing 1 and be separately positioned on the upper cover 2 at hollow casing 1 top and the lower cover 3 of bottom, hollow casing 1 comprises cylinder part 11 and round platform body 12, the upper end diameter of round platform body 12 is greater than lower end diameter, cylinder part 11 is positioned at the upper end of round platform body 12, tangent direction along its inwall on cylinder part 11 is provided with at least one suction port 13, upper cover 2 middle parts are provided with air outlet 21, particulate matter adsorber 4 is installed on lower cover 3, particulate matter adsorber 4 comprises housing and is placed in the absorbing agent in housing.The tail gas that diesel engine unit produces enters hollow casing 1 from suction port 13, spiral inner wall along hollow casing 1 flows downward, heavier particulate matter sinks to being caught by particulate matter adsorber 4, and lighter gas is discharged from the air outlet 21 of upper cover 2, forms cyclonic separation.
As preferably, absorbing agent is charing Micro-wood Fiber (CMWF).Wood fiber has six natural prismatic holes, possess good dust adsorptivity and gas permeability, adsorption function to carbon soot particles (PM) after active charing is that other filtering material is incomparable, that a kind of environmental protection, cost that meets Euro V emissions is low, purification efficiency is high, low density charing Micro-wood Fiber filter, not only there is very high porosity ratio, very large specific surface area, especially after active charing, its surface has active function groups, can under the on-catalytic condition, remove NO simultaneously
xand PM, effectively extend working life of filter core.
Further, improve absorption efficiency, the charing Micro-wood Fiber is the lamination shape and distributes.
The first mode of execution, for ease of installation and the replacing of particulate matter adsorber 4, the cylindrical shape that lower cover 3 is an end sealing, the sidewall of cylindrical shape lower cover 3 has internal thread, the lower end of hollow casing 1 has outside thread, and cylindrical shape lower cover 3 is connected with hollow casing 1 screw-thread fit.Lower cover 3 can be dismantled easily, has also just facilitated installation and the replacing of particulate matter adsorber 4.
As shown in Figure 2, further, the cylinder part 11 of hollow casing 1 is provided with four suction ports 13.Further, four suction ports 13 circumferentially are distributed on the cylinder part 11 of hollow casing 1.Four circumferential uniform suction ports 13 can better form stable spiral wind, improve the cyclonic separation effect.
As shown in Figure 3, the second mode of execution, the hollow round table shape that lower cover 3 is an end sealing, the lower end of hollow casing 1 has the port matched with hollow round table shape lower cover 1 inwall, the fixed by snap connection between lower cover 3 and hollow casing 1.
The utility model is on the basis of cyclone, set up particulate matter adsorber 4, be used for separation and the absorption of the tail gas particulate matter of diesel engine unit generation, can effectively absorb the solid particle of 5～10 μ m in tail gas, partially absorb the following solid particle of 5 μ m in tail gas.Owing to there not being moving element, therefore simple in structure, maintenance is convenient, working efficiency is higher.Can be widely used in various boat diesel engines and Generator Set diesel engine, further can be applied to adopt the Heavy Duty Diesel Engine of heavy oil.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, the relevant staff can, in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to the claim scope.
Claims (7)
1. a diesel engine unit tail gas particulate matter treatment device, comprise hollow casing (1), be arranged on the upper cover (2) at hollow casing (1) top and be arranged on the lower cover (3) of hollow casing (1) bottom, hollow casing (1) comprises connected up and down cylinder part (11) and round platform body (12), the upper end diameter of round platform body (12) is greater than lower end diameter, cylinder part (11) is provided with at least one suction port (13) along the tangent direction of its inwall, upper cover (2) middle part is provided with air outlet (21), particulate matter adsorber (4) is installed on lower cover (3), particulate matter adsorber (4) comprises housing and is placed in the absorbing agent in housing.
2. diesel engine unit tail gas particulate matter treatment device as claimed in claim 1, it is characterized in that: described absorbing agent is the charing Micro-wood Fiber.
3. diesel engine unit tail gas particulate matter treatment device as claimed in claim 2 is characterized in that: described charing Micro-wood Fiber is the lamination shape and distributes.
4. diesel engine unit tail gas particulate matter treatment device as claimed in claim 1, it is characterized in that: the cylindrical shape that lower cover (3) is an end sealing, the sidewall of cylindrical shape lower cover (3) has internal thread, the lower end of hollow casing (1) has outside thread, and cylindrical shape lower cover (3) is connected with hollow casing (1) screw-thread fit.
5. diesel engine unit tail gas particulate matter treatment device as claimed in claim 1, it is characterized in that: the hollow round table shape that lower cover (3) is an end sealing, the lower end of hollow casing (1) has the port matched with hollow round table shape lower cover (3) inwall, the fixed by snap connection between lower cover (3) and hollow casing (1).
6. diesel engine unit tail gas particulate matter treatment device as claimed in claim 1, it is characterized in that: the cylinder part (11) of hollow casing (1) is provided with four suction ports (13).
7. diesel engine unit tail gas particulate matter treatment device as claimed in claim 6, it is characterized in that: four suction ports (13) circumferentially are distributed on the cylinder part (11) of hollow casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320457456 CN203362270U (en) | 2013-07-29 | 2013-07-29 | Treating device for exhaust particle of diesel engine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320457456 CN203362270U (en) | 2013-07-29 | 2013-07-29 | Treating device for exhaust particle of diesel engine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362270U true CN203362270U (en) | 2013-12-25 |
Family
ID=49810053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320457456 Expired - Fee Related CN203362270U (en) | 2013-07-29 | 2013-07-29 | Treating device for exhaust particle of diesel engine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027568A (en) * | 2019-12-24 | 2021-06-25 | 东北林业大学 | Preparation method of diesel engine tail gas PM trap |
-
2013
- 2013-07-29 CN CN 201320457456 patent/CN203362270U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027568A (en) * | 2019-12-24 | 2021-06-25 | 东北林业大学 | Preparation method of diesel engine tail gas PM trap |
| CN113027568B (en) * | 2019-12-24 | 2022-03-01 | 东北林业大学 | Preparation method of diesel engine tail gas PM trap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |