CN103016108B - Diesel engine vent gas water washing cleaning device - Google Patents
Diesel engine vent gas water washing cleaning device Download PDFInfo
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- CN103016108B CN103016108B CN201310005755.6A CN201310005755A CN103016108B CN 103016108 B CN103016108 B CN 103016108B CN 201310005755 A CN201310005755 A CN 201310005755A CN 103016108 B CN103016108 B CN 103016108B
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Abstract
The invention discloses a kind of structure simple, good purification, the diesel engine vent gas water washing cleaning device that operating cost is low, it comprises the casing (8) that water is housed, casing (8) is provided with tail gas suction port (2), be connected with the relief opening (1) of air-water separation mechanism, it is characterized in that at least being provided with a mixing wastewater with air plate (3) according to tail gas motion path in casing (8), described mixing wastewater with air plate (3) comprises skeleton (6), skeleton is filled with by heatproof in (6), filler (7) prepared by resistant material, described filler (7) is entwined by strip material random turn of song, the cross section of strip material is blunt form cross section, gross blowhole cracks as micro-bubble through mixing wastewater with air plate (3) by tail gas, fully be combined with water and purify, realize discharging from relief opening (1) after air-water separation through air-water separation mechanism again, the assimilation effect of the present invention to the seizure of particulate matter and harmful gas is obviously better than the water washing cleaning case of other pattern, gas and water separator effectively reduces the consumption of water, and operating cost is low and reliable.
Description
Technical field
The present invention relates to a kind of diesel engine exhaust gas purification device, specifically a kind of diesel engine vent gas water washing cleaning device, particularly relate to a kind of mine vehicle diesel engine vent gas water washing cleaning device.
Background technique
Due to its motor-driven and efficient feature, diesel engine is widely used in derground Trackless Mining vehicle, but the ventilation condition of underground coal mine is poor, containing a large amount of harmful gas and various solid particle (soot) in diesel engine vent gas, there is great harm to the health of underground work personnel.
At present, emission controls by improving combustion and external purification are mainly contained to the process of diesel engine vent gas.Emission controls by improving combustion can only be completed by manufacturers of engines, and external purification then completes by the main engine factory of application engine.External purification method comprises: catalytic purification (mainly processing the oxious components such as CO and HC), water washing cleaning (absorbs NO
xand the particulate matter such as carbon dust), filtration, purification and EGR etc.For being with turbosupercharging now, the sufficient motor of machine combustion, water washing cleaning is one of economical and effective purification style.
Conventional water washing cleaning device mainly contains two classes: one is water-bath type, and namely engine exhaust enters water tank from water tank bottom, is separated, then discharges through water washing box relief opening by definite shape after water-filled passage with water.The feature of this device is that structure is simple, cost is low, and gas exists with larger bubble in water, although to go together certain distance with water, but the combination of gas and water/contact very limited, thus purifying effect is not good.For this reason, the patent No. is 00132308.3, denomination of invention is tail gas cleaner for motor-driven vehicle patent discloses a kind of exhaust purifier for all kinds of motor vehicle, multiple tracks dividing plate is provided with in water tank, dividing plate is arranged the aperture that height is different, the movement locus of tail gas in water tank is made to become tortuous, thus extend the range ability of tail gas in water, increase the time of contact with water, to improve the effect of tail gas clean-up.But its structure and processing are comparatively complicated, safeguard inconvenience, and increase engine exhaust resistance, and gross blowhole is not still effectively cracked, and causes purifying effect to can not get obvious improvement.
Another kind is with spraying, is namely pressurizeed by water by water pump, by shower nozzle, water is sprayed to gas.As the patent No. be 201020539676.5, denomination of invention be exhaust purifier of diesel engine patent discloses a kind of high-pressure nozzle atomising device.The feature of this device is that exhaust resistance is little, and purifying effect depends on spraying and the time that gas is effectively combined and degree (nozzle is The more the better), and deficiency is system complex, difficult in maintenance, and operating cost is higher, and practical application is little.
Summary of the invention
The object of this invention is to provide the diesel engine vent gas water washing cleaning device that a kind of structure is simple, good purification, operating cost are low.
The present invention adopts following technological scheme to realize its goal of the invention, a kind of diesel engine vent gas water washing cleaning device, it comprises the casing that water is housed, casing is provided with tail gas suction port, is connected with the relief opening of air-water separation mechanism, a mixing wastewater with air plate is at least provided with according to tail gas motion path in casing, described mixing wastewater with air plate comprises skeleton, the filler prepared by heatproof, resistant material is filled with in skeleton, described filler is entwined by strip material random turn of song, and the cross section of strip material is blunt form cross section; Gross blowhole cracks as micro-bubble through mixing wastewater with air plate by tail gas, is fully combined with water and purifies, then realize discharging from relief opening after air-water separation through air-water separation mechanism.
Contact for promoting steam-water mixing further and catch particulate matter, mixing wastewater with air plate of the present invention is provided with waved filter plate, and the order number of described waved filter plate is 50 order ~ 80 orders.
The present invention's good mode of execution is provided with two mixing wastewater with air plates according to tail gas motion path in described casing, and the mixing wastewater with air plate near relief opening is provided with waved filter plate; The order number of described waved filter plate is 50 order ~ 80 orders.
For ensureing that gross blowhole effectively cracks formation micro-bubble, the cross section of strip material of the present invention is rectangle or C type; The thickness of strip material is 0.05 ㎜ ~ 2 ㎜, and width is 2 ㎜ ~ 5 ㎜.
Effectively be separated for making air water, air-water separation mechanism of the present invention comprise be arranged in casing, the guide plate of relief opening bottom, under guide plate effect, moisture tail gas is spinned ascending motion, moisture throws to the cylinder inboard wall of relief opening under the influence of centrifugal force, realize air-water separation, tail gas spin in relief opening ascending motion discharge.
Casing is flowed back to smoothly for making the globule be gathered in because of centrifugal force and condensation on the barrel of relief opening, to reduce the consumption of water, the present invention is provided with helical water deflector at the wall inner portion of relief opening, makes the wall inner portion of helical water deflector and relief opening form chute.
Owing to adopting technique scheme, the present invention achieves goal of the invention preferably, its structure is simple, fully mixed owing to making tail gas and water and contacted, the seizure of particulate matter and the assimilation effect of harmful gas are obviously better than to the water washing cleaning case of other pattern, gas and water separator effectively reduces the consumption of water, and operating cost is low and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the structural representation of mixing wastewater with air plate of the present invention;
Fig. 4 is the A-A view of Fig. 3;
Fig. 5 is the B place zoomed-in view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1:
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of diesel engine vent gas water washing cleaning device, it comprises the casing 8 that water is housed, casing 8 is provided with tail gas suction port 2, is connected with the relief opening 1 of air-water separation mechanism, a mixing wastewater with air plate 3 is at least provided with according to tail gas motion path in casing 8, described mixing wastewater with air plate 3 comprises skeleton 6, the filler 7 prepared by heatproof, resistant material is filled with in skeleton 6, described filler 7 is entwined by strip material random turn of song, and the cross section of strip material is blunt form cross section; Gross blowhole cracks as micro-bubble through mixing wastewater with air plate 3 by tail gas, is fully combined with water and purifies, then realize discharging from relief opening 1 after air-water separation through air-water separation mechanism.
The present invention's good mode of execution is provided with two mixing wastewater with air plates 3 according to tail gas motion path in described casing 8, and contact for promoting steam-water mixing further and catch particulate matter, the mixing wastewater with air plate 3 near relief opening 1 is provided with waved filter plate 9; The order number of described waved filter plate 9 is 50 order ~ 80 orders (the present embodiment is 50 orders).
For ensureing that gross blowhole effectively cracks formation micro-bubble, the nearly streamline shapes such as circular, oval should not be used in the cross section of strip material, the thickness of section is thin as far as possible, in order to avoid affect effective area of passage, but ensure certain rigidity again, under the impact of air-water mixture, mutually can not extrude laminating and block effective area of passage.The cross section of strip material of the present invention is rectangle or C type; The thickness of strip material is 0.05 ㎜ ~ 2 ㎜, and width is 2 ㎜ ~ 5 ㎜.
The cross section of the present embodiment strip material is rectangle, and material is stainless steel, and the thickness (minor face) of strip material is 0.05 ㎜, and width (long limit) is 2 ㎜.
Effectively be separated for making air water, air-water separation mechanism of the present invention comprise be arranged in casing 8, the guide plate 10 of relief opening 1 bottom, under guide plate 10 acts on, moisture tail gas is spinned ascending motion, moisture throws to the cylinder inboard wall of relief opening 1 under the influence of centrifugal force, realize air-water separation, tail gas spin in relief opening 1 ascending motion discharge.
When the present invention uses, the Liquid level in casing 8 is near one block of mixing wastewater with air plate 3 above, and liquid level is too high, and engine back pressure increases, and when in purifying box during a large amount of foam of formation, too much liquid will be rushed out casing 8; Liquid level is too low, and the liquid participating in washing, purifying is very few, will affect purifying effect.
Motor exhaust enters bottom casing 8 from suction port 2 and contacts with water, and when tail gas passes through the filler 7 of mixing wastewater with air plate 3, gross blowhole filled 7 cuts into a lot by the small bubble that liquid surrounds, and forms foam.Because filler 7 is random random windings, make small bubble in casing 8, do overall random motion upwards, impact with other bubble or liquid again during random motion, collide, further promotion gas fully mixes with liquid, make the particulate matters such as the carbon dust in tail gas and harmful gas by fluid acquisition, absorption, stay in casing 8, waved filter plate 9 promotes that steam-water mixing contacts and catches particulate matter further; During blowdown, the particulate matter of catching is discharged by sewage draining exit 5 with sewage.
Air-water mixture is in rising discharge process, motion of spinning is forced under the effect of guide plate 10, due to the effect of centrifugal force, gradually condensation formed the globule flowed back in casing 8 by the barrel throwing to relief opening 1, the tail gas after purification spin in relief opening 1 ascending motion discharge.
The assimilation effect of the present invention to the seizure of particulate matter and harmful gas is obviously better than the water washing cleaning case of other pattern, and structure is simple, cheap, reliable.
Embodiment 2:
As shown in Figure 5, casing 8 is flowed back to smoothly for making the globule be gathered in because of centrifugal force and condensation on the barrel of relief opening 1, to reduce the consumption of water, the present invention is provided with helical water deflector 4 at the wall inner portion of relief opening 1, makes helical water deflector 4 form chute 11 with the wall inner portion of relief opening 1.
Because helical water deflector 4 has blocked the air-flow moved upward at a high speed, the condensed water of precipitation can be flowed back in casing 8 along the chute 11 between helical water deflector 4 and barrel, and do not gone out outside casing 8 by high velocity air.Remaining with embodiment 1.
Embodiment 3:
The present embodiment is provided with a mixing wastewater with air plate 3 according to tail gas motion path in casing 8; Contact for promoting steam-water mixing further and catch particulate matter, mixing wastewater with air plate 3 of the present invention is provided with waved filter plate 9, and the order number of described waved filter plate 9 is 50 order ~ 80 orders (the present embodiment is 50 orders).Remaining with embodiment 1,2.
Claims (1)
1. a diesel engine vent gas water washing cleaning device, it comprises the casing (8) that water is housed, casing (8) is provided with tail gas suction port (2), is connected with the relief opening (1) of air-water separation mechanism, it is characterized in that at least being provided with a mixing wastewater with air plate (3) according to tail gas motion path in casing (8), mixing wastewater with air plate (3) near relief opening (1) is provided with waved filter plate (9), and the order number of described waved filter plate (9) is 50 order ~ 80 orders; Described mixing wastewater with air plate (3) comprises skeleton (6), the filler (7) prepared by heatproof, resistant material is filled with in skeleton (6), described filler (7) is entwined by strip material random turn of song, the cross section of strip material is blunt form cross section, and the cross section of described strip material is rectangle or C type; The thickness of strip material is 0.05 ㎜ ~ 2 ㎜, and width is 2 ㎜ ~ 5 ㎜; Gross blowhole cracks as micro-bubble through mixing wastewater with air plate (3) by tail gas, is fully combined with water and purifies, then realize discharging from relief opening (1) after air-water separation through air-water separation mechanism; Described air-water separation mechanism comprise be arranged in casing (8), the guide plate (10) of relief opening (1) bottom, under guide plate (10) effect, moisture tail gas is spinned ascending motion, moisture throws to the cylinder inboard wall of relief opening (1) under the influence of centrifugal force, realize air-water separation, tail gas spin in relief opening (1) ascending motion discharge; The wall inner portion of relief opening (1) is provided with helical water deflector (4), makes helical water deflector (4) form chute (11) with the wall inner portion of relief opening (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005755.6A CN103016108B (en) | 2013-01-08 | 2013-01-08 | Diesel engine vent gas water washing cleaning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005755.6A CN103016108B (en) | 2013-01-08 | 2013-01-08 | Diesel engine vent gas water washing cleaning device |
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| CN103016108A CN103016108A (en) | 2013-04-03 |
| CN103016108B true CN103016108B (en) | 2015-08-12 |
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| CN201310005755.6A Active CN103016108B (en) | 2013-01-08 | 2013-01-08 | Diesel engine vent gas water washing cleaning device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402008A (en) * | 2015-11-12 | 2016-03-16 | 瑞昌哥尔德发电设备(无锡)制造有限公司 | Purification treatment device for diesel generating set |
| CN106437951A (en) * | 2016-10-25 | 2017-02-22 | 中铁五局集团有限公司 | Tail gas purifying device of excavation type loader for underground construction |
| CN106523086B (en) * | 2016-11-25 | 2019-01-11 | 铜陵化工集团新桥矿业有限公司 | Underground diesel engine exhaust gas processing device |
| CN108786424A (en) * | 2018-08-10 | 2018-11-13 | 成都中核鑫星应用技术研究所 | A kind of purifier of vapour/exhaust gas from diesel vehicle NOx, HC, CO and solid particle |
| CN110714814B (en) * | 2019-11-05 | 2021-08-31 | 尤洛卡（山东）矿业科技有限公司 | Tail gas cooling and purifying water pipe for explosion-proof diesel engine |
| CN114294078B (en) * | 2022-01-04 | 2023-06-16 | 江南造船(集团)有限责任公司 | Marine diesel engine exhaust gas cleaning system |
Citations (5)
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|---|---|---|---|---|
| CN2435144Y (en) * | 2000-07-10 | 2001-06-20 | 熊朝炳 | Underwater rotary divided-flow washing waste gas purifier |
| CN2641292Y (en) * | 2003-08-11 | 2004-09-15 | 丘有福 | Tail gas purification device for fuel oil combustion motor vehicle |
| CN1792413A (en) * | 2005-11-15 | 2006-06-28 | 朱国富 | Purification method and equipment for filtering gas by using liquid medium |
| CN2924023Y (en) * | 2005-12-28 | 2007-07-18 | 李效志 | Diesel oil motor vehicle tail-gas smoke purifying device |
| CN203009013U (en) * | 2013-01-08 | 2013-06-19 | 益阳新华美机电科技有限公司 | Tail gas washing and purification device for diesel engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4168186B2 (en) * | 2004-10-18 | 2008-10-22 | 株式会社ダイエープロジェクト | Exhaust gas treatment equipment |
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2013
- 2013-01-08 CN CN201310005755.6A patent/CN103016108B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435144Y (en) * | 2000-07-10 | 2001-06-20 | 熊朝炳 | Underwater rotary divided-flow washing waste gas purifier |
| CN2641292Y (en) * | 2003-08-11 | 2004-09-15 | 丘有福 | Tail gas purification device for fuel oil combustion motor vehicle |
| CN1792413A (en) * | 2005-11-15 | 2006-06-28 | 朱国富 | Purification method and equipment for filtering gas by using liquid medium |
| CN2924023Y (en) * | 2005-12-28 | 2007-07-18 | 李效志 | Diesel oil motor vehicle tail-gas smoke purifying device |
| CN203009013U (en) * | 2013-01-08 | 2013-06-19 | 益阳新华美机电科技有限公司 | Tail gas washing and purification device for diesel engine |
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| CN103016108A (en) | 2013-04-03 |
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