CN1395026A - Carbon smoke pollution cleaning device for diesel engine - Google Patents
Carbon smoke pollution cleaning device for diesel engine Download PDFInfo
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- CN1395026A CN1395026A CN 02134479 CN02134479A CN1395026A CN 1395026 A CN1395026 A CN 1395026A CN 02134479 CN02134479 CN 02134479 CN 02134479 A CN02134479 A CN 02134479A CN 1395026 A CN1395026 A CN 1395026A
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- soot
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- filter
- diesel engine
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Abstract
The present invention discloses a diesel engine carbon smoke pollution cleaning equipment. It has a main body formed from back flushing chamber, filter, expanding chamber and anechoic chamber and a program controller. An exhaust tube is inserted into the main body, said back flushing chamber is connected with high-pressure air-charging device by means of a normally-closed electromagnetic vavle, and its exhaust outlet is equipped with a normally-opened exhaust valve. The rear end of anechoic chamber is equipped with a normally-closed scavenging valve, the bottom portion of the anechoic chamber has a carbon smoke collecting tube connected with carbon smoke combustor assembly. Said cleaning equipment can effectively filter carbon smoke incroparticles being in tail gas of diesel engine, and can make the trapped carbon smoke microparticles undergo the process of combustion cleaning treatment so as to prevent secondary pollution.
Description
Technical field
The present invention relates to a kind of carbon smoke pollution cleaning device for diesel engine.
Background technique
The explosive motor that with diesel oil is fuel is the equipment such as automobile, steamer, generator set and various machineries of power, because of finally reaching the emission standard of pollution control regulation, for this reason, must purified treatment to the soot particle that produces.
In the level of every liter of 2000ppm of diesel quality sulfur-bearing, the diesel engine condition is normally moved, and can effectively handle the soot particle pollutant purification of diesel engine discharging, and free accelerating mode: the vehicle in use diesel engine reaches 1R
BBelow (ripple is permitted), new production car diesel engine reaches 0.5R
BBelow (ripple is permitted), reach national specified discharge standard.
Now, generally adopt filter that the tail gas of diesel engine is handled to reach national specified discharge standard for the purification of soot particle.Make cleaning filtration, keep the high ventilation rate, drop into interception-separation-filtering function again soot and other solid matter.This process is exactly a filter regeneration, is the key technology of all purification plants.At present, home and overseas, on the scientific research paper information filter regeneration there are many imaginations and description, but the technology that becomes " product " of practicability does not have in that we are domestic at all, (states such as the U.S., Canada, Japan) do not have operational application technology product yet abroad, states such as the U.S., Canada, Japan, Argentina are to adopt the catalytic regeneration technology to the technical products of the filterability of diesel soot purification processing basically.Its principle is that petrol engine " ternary catalyzing unit " is with going out with product.Country to automotive industry and petroleum industry advanced person is feasible, and adopt the precondition of oxidation catalyst filter technology: 1) diesel engine must be a worm gear supercharging; 2) the diesel fuel oil sulfur-bearing every liter can not be greater than the concentration of 50ppm.Catalytic regeneration technology ability proper functioning under this exacting terms, otherwise invalid.So enter the diesel engine purification technics product of China market, all can not take effect, because of China's diesel engine industry reaches European I emission standard far away.The another one main cause, the diesel quality of China is in the fine-quality diesel oil standard that is about to promulgation, and sulfur-bearing is every liter of 700ppm, is 14 times of European 50ppm, and every liter of the diesel oil sulphur content of market supply now is all more than 2000ppm.Condition can only be powerless to the catalyst regeneration technology like this.
In the filter regeneration process, separate soot particle and other solid matter of filter, must handle rapidly, processing method mainly is a dual mode at present:
(A) with the soot particle and the solid matter that trap, regularly unload catcher, the water flush clean, (the diesel soot catcher of Hong Kong employing at present) this kind mode can cause rinse water to contain the secondary water pollution that the soot particulate produces, contaminated solution at all.
(B) with the soot particle and the solid matter that trap, lead burn off with flame, the scheme of this technical research has: microwave burning method, liquid gas spray combustion and electric heating burning.Above combustion disposal technical approach still in the laboratory research stage, is still failed to reach industrialization and is entered the stage of practical application at product.
Summary of the invention
The invention provides a kind of carbon smoke pollution cleaning device for diesel engine, adopt this purification plant effectively to filter to the soot particle in the diesel motor exhaust, and the regeneration of filter is simple and direct feasible, and its soot particle of tackling burning purified treatment has been avoided secondary pollution.
Carbon smoke pollution cleaning device for diesel engine of the present invention, by a purification plant main body and a programming controller of forming by the blowback chamber, filter, expansion chamber and the anechoic room that are linked in sequence, insertion one is used to import the outlet pipe of diesel motor exhaust in this purification plant main body, it is characterized in that: the blowback chamber is connected with high-pressure aerated device by a normally closed solenoid valve, and there is the air valve that often begins to rehearse at its exhaust outlet place, there are a normally closed scavenging air valve that closes, the bottom of anechoic room to have a soot collecting pipe to be connected in the anechoic room rear end with carbon-smoke combustion device assembly; The soot particle weight signal of the back pressure signal of filter and carbon-smoke combustion device assembly feeds back to programming controller, and when back pressure reached definite value, programming controller synchronization control solenoid valve was opened, exhaust valve closure, scavenging air valve are opened 0.0003-0.0006 second; When soot particle reached suitable weight, programming controller sent instruction and starts the carbon-smoke combustion chamber, lights soot particle.
When diesel engine and vehicle operation, outside machine, give off the soot particle waste gas that contains carcinogen in a large number, pollutant atmosphere, influence vision and health, the waste gas that this strand poisoned people and ecotope, after this device treatment and purification, the soot particle material that is harmful to, cut down more than 70%, the diesel locomotive toxic emission is reached be equivalent to the emission standard of European I number (using car).
Description of drawings
Fig. 1 is the structural representation of purification plant of the present invention;
Fig. 2 is the structural representation of the expansion chamber of purification plant of the present invention;
Fig. 3 is the blowback chamber and the structure of filter schematic representation of purification plant of the present invention;
Fig. 4 is the structural representation of the carbon-smoke combustion device assembly of purification plant of the present invention;
Fig. 5 is the circuit diagram of the programming controller of purification plant of the present invention;
Fig. 6 is the workflow diagram of purification plant of the present invention.
Embodiment
As shown in Figure 1, described carbon smoke pollution cleaning device for diesel engine, by a purification plant main body of forming by the blowback chamber 5 that is linked in sequence, filter 3, expansion chamber 2 and anechoic room 6, insertion one is used to import the outlet pipe 1 of diesel motor exhaust in this purification plant main body, and the outlet of outlet pipe 1 faces filter 3.Blowback chamber 5 is irritated 9 by a normally closed blowback high pressure air solenoid valve 14 with high-pressure gas and is connected, gas holder 9 is connected with electric air pump 10, the one exhaust dish valve of often opening 12 is arranged at the exhaust outlet place of blowback chamber 5, in anechoic room 6 rear ends the one normally closed scavenging air valve 15 that closes is arranged, the bottom of anechoic room has a soot collecting pipe 7 to be connected with carbon-smoke combustion device assembly 8.
As shown in Figure 2, be the structural representation of expansion chamber, wherein separate with micropore sound insulationg board 21 between expansion chamber 2 and the anechoic room 6 that scavenging air valve 15 is fixed on the backboard 25 of anechoic room 6 ends, outlet pipe 1 penetrates backboard and inserts in the purification plant main body.In anechoic room, be fixed with a guide plate 22 successively, non-return guide plate 23, and be fixed on filter screen 24 on the backboard of anechoic room 6, fixing row's particulate is taken between filter screen 24 and non-return guide plate 23.
As shown in Figure 3, be blowback chamber and structure of filter schematic representation, wherein 31 are exhaust butterfly valve air pump, and 32 is the back-flushing valve joint, and 33 is expansion block, and 34 are blowback device shell, and 35 for filtering the thrust circle, and 36 is ceramic wall streaming filtering element (cartridge), and 37 is filter housing.
As shown in Figure 4, structural representation for carbon-smoke combustion device assembly, carbon-smoke combustion device assembly has the soot body 44 of an inverted cone, and its top port hides the steel mesh 41 that binds, and these steel mesh 41 usefulness steel mesh retaining rings 43 that bind are fixed on the top port of soot body 44; Also hiding below the steel mesh 41 that binds has taper steel mesh 42, and it is fixed on the soot body 44 with taper steel mesh retaining ring 45; The soot that is connected with soot collecting pipe 7 is collected head and is inserted soot body 44 from taper steel mesh 42 belows; One firing chamber 47 is arranged in the bottom of soot body, secondary intake pipes 52 inserts the firing chamber from the bottom, inwall is done with stoneware pipe 50 in the firing chamber, and its internal fixation has a burner 48, burner 48 connects power supply by wiring terminal 49, and wiring terminal 49 is positioned at the part of firing chamber 47 and wraps up resistant to elevated temperatures porcelain tube 51.
As the circuit logic diagram of Fig. 5 for programming controller of the present invention.The soot particle weight signal of the back pressure signal of above-mentioned filter and carbon-smoke combustion device assembly feeds back to the information data collecting circuit of programming controller, when back pressure reaches definite value, programming controller executive circuit A sends instruction, and the synchronization control solenoid valve is opened, exhaust valve closure, scavenging air valve are opened 0.0003-0.0006 second; When soot particle reached suitable weight, computing and output circuit sent instruction by executive circuit B and start the carbon-smoke combustion chamber to executive circuit B input signal, light soot particle.
This purification plant is implemented as follows to the working principle of diesel soot particulate purified treatment:
1, soot filters and discharging:
During the diesel engine work done, exhaust gas discharged, the outlet pipe 1 that enters this device is suppressed injection to filter 2, the air communication that this strand contains soot particle and other solid matter is crossed the ceramic wall streaming filter of filter, with gas and the material that can not pass through the highdensity nethike embrane of wall body, interception is separated, and the gas of (totally) is discharged the waste gas after purified treatment through blowback chamber 5 and exhaust butterfly valve (this moment, butterfly valve was opened) outside machine after filtering.Finished the discharging operating mode of internal-combustion engine.Immediately also finished the working procedure of soot particle interception-seizure-filtration.Motor enters new work cycle again.
2, filter regeneration
Make cleaning filtration, keep the high ventilation rate.Again drop into interception-separation-filtering function to soot and other solid matter.This process is exactly a filter regeneration.It is the key technology of this device.This technological break-through the difficult problem of filter regeneration, the air-flow with high pressure is used in design, mode with pulsation, when the direction opposite with engine exhaust (reverse) is fast to the filter ram-jet, make the soot particle that is intercepted at filter-carrier, tremble shake, open filter with suppressing airflow breakaway, reach the cleaning and filtering body, the kilter of the work that reenters that makes it to regenerate.When soot particle accumulates to a certain degree at filter, filter is stopped up, diesel engine is because of arrange not go out waste gas, and produces vapour lock, so the shutdown of will stopping working.The working principle of this device is in soot particle accumulates in filter; just can produce back pressure; when reaching the back pressure definite value; information is communicated to programming controller 13 and sends the cleaning and regeneration signal immediately; the exhaust butterfly valve of often opening 12 immediately cuts out; flat-top scavenging air valve 15 is opened synchronously; blowback high-tension electricity valve 14 is opened synchronously; it is opposite with the discharge directions of outlet pipe 1 that the high pressure air of gas holder 9 is entered blowback chamber 5 high pressure draughts; spray is pressed in filter 3; make the soot particle that accumulates in each passage of filter tremble and suppress under the air-flow, separate filter and reach cleaning, the purpose of regeneration filter in shake; make filter enter new work cycle; whole regenerative process is only finished in second at 0.0003-0.0006, could adapt to engine operational cycle.
3, the secondary of soot is collected and burning
The key technology of this innovation point has designed secondary exactly and has collected the technology of handling pollutant after soot device, the separation purifier main body again, and attached realization, becomes actual applicable technology.
The working principle that secondary is collected and burning is implemented: suppress air-flow when utilizing filter regeneration, will be attached to the soot particle of filtration supports with after solid matter separates, along with this strand with the air-flow of soot particle press input enter expansion chamber 2 pass through again the guide plate of anechoic room 6 and check plate under the atm difference condition of the semicircle screen membrane of rear end under hydromechanical effect, leave this purifying soot apparatus main body along soot particle collecting pipe 7, import carbon-smoke combustion device assembly 8, when soot particle and solid matter reach a great deal of, programming controller 13 sends instruction, starts the firing chamber of carbon-smoke combustion device.Burner is sharply heating immediately, lights soot particle, and secondary intake pipes input this moment combustion-supporting air makes the soot particle and the solid matter that capture, and burning fully.Realized this technique device diesel locomotive soot particle treatment and purification final purpose.This device is intelligent to be implemented:
Entire work process, programming controller by the design of this device sends detecting information, and---the defeated place of computing---carries out signal, implement by each parts mechanism function order action, programming controller is according to the exhaust back pressure signal, soot particle carrying capacity signal and timing signal.Order parameter by design is carried out, and finishes the purpose of intelligent menagement.
Claims (3)
1, a kind of carbon smoke pollution cleaning device for diesel engine, have one by the blowback chamber (5) that is linked in sequence, filter (3), purification plant main body and programming controller that expansion chamber (2) and anechoic room (6) are formed, insertion one is used to import the outlet pipe (1) of diesel motor exhaust in this purification plant main body, it is characterized in that: blowback chamber (5) are connected with high-pressure aerated device (9) by a normally closed solenoid valve (14), and there is the air valve (12) that often begins to rehearse at its exhaust outlet place, in the anechoic room rear end the one normally closed scavenging air valve (15) that closes is arranged, the bottom of anechoic room has a soot collecting pipe (7) to be connected with carbon-smoke combustion device assembly (8); The soot particle weight signal of the back pressure signal of filter and carbon-smoke combustion device assembly feeds back to programming controller, when back pressure reached definite value, programming controller synchronization control solenoid valve (14) was opened, outlet valve (12) is closed, scavenging air valve (15) is opened 0.0003-0.0006 second; When soot particle reached suitable weight, programming controller sent instruction and starts the carbon-smoke combustion chamber, lights soot particle.
2, by the described a kind of carbon smoke pollution cleaning device for diesel engine of claim 1, it is characterized in that: separate with micropore sound insulationg board (21) between described expansion chamber (2) and the anechoic room (6), and in anechoic room, be fixed with a guide plate (22) successively, non-return guide plate (23), and being fixed on filter screen (24) on the backboard of anechoic room (6), fixing row's particulate is taken over (7) between filter screen (24) and non-return guide plate (23).
3, by the described a kind of carbon smoke pollution cleaning device for diesel engine of claim 1, it is characterized in that: described carbon-smoke combustion device assembly has the soot body (44) of an inverted cone, its top port hides the steel mesh (41) that binds, also covering has taper steel mesh (42) in the steel mesh that binds (41) below, and the soot that is connected with soot collecting pipe (7) is collected head and inserted soot body (44) from taper steel mesh (42) below; One firing chamber (47) is arranged in the bottom of soot body, and secondary intake pipes (52) inserts the firing chamber from the bottom, and its internal fixation has a burner (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021344795A CN1195151C (en) | 2002-07-31 | 2002-07-31 | Carbon smoke pollution cleaning device for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021344795A CN1195151C (en) | 2002-07-31 | 2002-07-31 | Carbon smoke pollution cleaning device for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1395026A true CN1395026A (en) | 2003-02-05 |
| CN1195151C CN1195151C (en) | 2005-03-30 |
Family
ID=4747761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021344795A Expired - Fee Related CN1195151C (en) | 2002-07-31 | 2002-07-31 | Carbon smoke pollution cleaning device for diesel engine |
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| CN (1) | CN1195151C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660439B (en) * | 2009-09-18 | 2012-06-27 | 杭州电子科技大学 | Regeneration controller of diesel vehicle tail gas processor |
| CN103925045A (en) * | 2014-03-20 | 2014-07-16 | 张国方 | Automobile exhaust gas purifying device |
| CN104454084A (en) * | 2014-09-03 | 2015-03-25 | 内蒙古农业大学职业技术学院 | Reverse blowing regeneration rotational flow filter |
| TWI628353B (en) * | 2013-07-31 | 2018-07-01 | 電佑股份有限公司 | Dpf system for an engine generator |
| CN112594033A (en) * | 2020-12-01 | 2021-04-02 | 溢通环保科技（莆田）有限公司 | Diesel engine tail gas suspended solid clean system |
-
2002
- 2002-07-31 CN CNB021344795A patent/CN1195151C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660439B (en) * | 2009-09-18 | 2012-06-27 | 杭州电子科技大学 | Regeneration controller of diesel vehicle tail gas processor |
| TWI628353B (en) * | 2013-07-31 | 2018-07-01 | 電佑股份有限公司 | Dpf system for an engine generator |
| CN103925045A (en) * | 2014-03-20 | 2014-07-16 | 张国方 | Automobile exhaust gas purifying device |
| CN104454084A (en) * | 2014-09-03 | 2015-03-25 | 内蒙古农业大学职业技术学院 | Reverse blowing regeneration rotational flow filter |
| CN104454084B (en) * | 2014-09-03 | 2017-11-28 | 内蒙古农业大学职业技术学院 | A kind of pulse cleaning eddy flow trap |
| CN112594033A (en) * | 2020-12-01 | 2021-04-02 | 溢通环保科技（莆田）有限公司 | Diesel engine tail gas suspended solid clean system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1195151C (en) | 2005-03-30 |
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