CN104667667A - Automobile exhaust recovery filter device - Google Patents

Automobile exhaust recovery filter device Download PDF

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Publication number
CN104667667A
CN104667667A CN201510051918.3A CN201510051918A CN104667667A CN 104667667 A CN104667667 A CN 104667667A CN 201510051918 A CN201510051918 A CN 201510051918A CN 104667667 A CN104667667 A CN 104667667A
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CN
China
Prior art keywords
filtration tank
filter
exhaust
inlet pipe
air inlet
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Granted
Application number
CN201510051918.3A
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Chinese (zh)
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CN104667667B (en
Inventor
胡海光
顔梓清
李海庆
毛尉
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Jiadao Science & Technology Co Ltd
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Jiadao Science & Technology Co Ltd
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Priority to CN201510051918.3A priority Critical patent/CN104667667B/en
Publication of CN104667667A publication Critical patent/CN104667667A/en
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Publication of CN104667667B publication Critical patent/CN104667667B/en
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Abstract

The invention discloses an automobile exhaust recovery filter device, relating to the field of exhaust detection. The device comprises a filter tower, wherein a gas inlet pipe is arranged on the side of a body of the filter tower; a filter liquid is arranged inside the filter tower and below the orifice of the gas inlet pipe; a sieve plate is arranged inside the filter tower and above the orifice of the gas inlet pipe; an activated carbon layer is arranged on the top of the sieve plate; a filter cotton layer is arranged on the top of the activated carbon layer; a gas outlet is formed in the side of the body and in the top of the filter cotton layer; the end, far away from the filter tower, of the gas inlet pipe is connected with an air outlet of an exhaust fan; a gas inlet of the exhaust fan is connected with one ends of gas collecting pipes; the other ends of the gas collecting pipes are connected with exhaust ports of exhaust detection equipment. The exhaust from the gas collecting pipes is sent into the filter tower by the exhaust fan, firstly undergoes primary filtration in the filter liquid and then is filtered by the activated carbon layer and the filter cotton layer, and the exhaust subjected to multilayer filtration is discharged to the outside by an exhaust pipe.

Description

Filter is reclaimed in automobile exhaust
Technical field
The present invention relates to Tail gas measuring field, refer in particular to automobile exhaust and reclaim filter.
Background technology
In recent years, along with developing rapidly of China's economy and automobile industry, automobile pollution is ascendant trend linearly, and air environmental pollution also aggravates thereupon, environmental administration strengthens the control to Dispersion Characteristics of Vehicular Pollutant Within for this reason, has all built motor-vehicle tail-gas detection line in multiple region.And most detection line directly will detect the toxic emission of vehicle in atmospheric environment in automotive check process, during owing to detecting, motor vehicle exhaust emission is more, pernicious gas in region in relative vehicle exhaust is also higher, causes secondary air pollution serious, causes larger infringement to surrounding enviroment.But treatment facility associated in this field at present.
Summary of the invention
The object of the invention is to propose a kind of device that can carry out effectively filtration to vehicle exhaust;
Another object of the present invention is to propose a kind of automobile not needing to stop being detected when there is blocking in filter, but also filter is reclaimed in a kind of automobile exhaust not damaging filter.
For achieving the above object, following technical scheme is provided:
Filter is reclaimed in automobile exhaust, and comprise filtration tank, the tower body side of described filtration tank is provided with air inlet pipe, air inlet pipe one end to pass into from the tower body side of filtration tank in filtration tank and the mouth of pipe down; Inner and be provided with filtered fluid below the air inlet pipe mouth of pipe at filtration tank, inner and arrange sieve plate on air inlet pipe mouth of pipe top at filtration tank, sieve plate top arranges active carbon layer, and the top of active carbon layer arranges filter cotton layer; In tower body side, filter cotton layer top is provided with gas outlet, gas outlet is by blast pipe and outdoor connection; Air inlet pipe is connected away from the exhaust outlet of filtration tank one end with blower fan of bleeding, and the air inlet of blower fan of bleeding is connected with one end of discharge, and the other end of discharge is connected with the exhaust outlet of Tail gas measuring equipment; The bottom of filtration tank is provided with sewage draining exit; The side of the bottom of filtration tank is provided with liquid level gauge.The tail gas of coming from discharge is sent in filtration tank by blower fan of bleeding, the filtered fluid liquid level of air inlet pipe outlet in filtration tank has a reasonably height, so namely ensure that tail gas conveying is unobstructed, it can be made again to produce certain impulsive force with certain speed and liquid level, tail gas is not only made to produce diffusion effect, make tail gas, in tower, cross section be uniformly distributed rising, and in tail gas, bulky grain nuisance and part pernicious gas are filtered by filtered fluid.
Further, the center of described active carbon layer and filter cotton layer is provided with vertical through hole, and insert a wireway in described through hole, the top of wireway is provided with relief valve.When after filtration tank work a period of time, have accumulated the filtrate such as a large amount of dusts in active carbon layer in it and filter cotton layer, space in its active carbon layer and filter cotton layer diminishes, block even completely, but now, bleeding blower fan also being injected in filtration tank by the tail gas collected endlessly, making the pressure increase in filtration tank, in screen cloth underlying space, as so long-time, filtration tank will damage; After being provided with relief valve, when the pressure in filtration tank, in screen cloth underlying space reaches the setting pressure of relief valve, relief valve is opened automatically, tail gas in filtration tank, in screen cloth underlying space is directly emitted without filtration, although effectively do not filter tail gas, but but ensure that filtration tank and whole device safety, and also can not stop due to the blocking of active carbon layer and filter cotton layer the process of automobile emission gas analyzer.Owing to can carry out regular cleaning and replacing to active carbon layer and filter cotton layer, therefore the situation of its complete complete blocking is also less, further, also not less through filtering the car tail tolerance of just directly discharging.
Further, the center of described active carbon layer and filter cotton layer is provided with vertical through hole, and insert a wireway in described through hole, the top of wireway is provided with cover plate, one end of extension spring is fixedly connected with the top of screen cloth, and the other end is fixedly connected with the bottom of cover plate.When after filtration tank work a period of time, have accumulated the filtrate such as a large amount of dusts in active carbon layer in it and filter cotton layer, space in its active carbon layer and filter cotton layer diminishes, block even completely, but now, bleeding blower fan also being injected in filtration tank by the tail gas collected endlessly, making the pressure increase in filtration tank, in screen cloth underlying space, as so long-time, filtration tank will damage; Be provided with cover plate and extension spring, when the pressure in filtration tank, in screen cloth underlying space reaches certain value, extension spring is stretched, tail gas in filtration tank, in screen cloth underlying space is directly emitted without filtration, although effectively do not filter tail gas, but but ensure that filtration tank and whole device safety, and also can not stop due to the blocking of active carbon layer and filter cotton layer the process of automobile emission gas analyzer.Owing to can carry out regular cleaning and replacing to active carbon layer and filter cotton layer, therefore the situation of its complete complete blocking is also less, further, also not less through filtering the car tail tolerance of just directly discharging.
Further, the center of described active carbon layer and filter cotton layer is provided with vertical through hole, and insert a wireway in described through hole, the top of wireway is provided with cover plate, one end of stage clip is fixedly connected with the top of cover plate, and the other end is fixedly connected with the top of filtration tank.When after filtration tank work a period of time, have accumulated the filtrate such as a large amount of dusts in active carbon layer in it and filter cotton layer, space in its active carbon layer and filter cotton layer diminishes, block even completely, but now, bleeding blower fan also being injected in filtration tank by the tail gas collected endlessly, making the pressure increase in filtration tank, in screen cloth underlying space, as so long-time, filtration tank will damage; Be provided with cover plate and stage clip, when the pressure in filtration tank, in screen cloth underlying space reaches certain value, make stage clip indentation, tail gas in filtration tank, in screen cloth underlying space is directly emitted without filtration, although effectively do not filter tail gas, but but ensure that filtration tank and whole device safety, and also can not stop due to the blocking of active carbon layer and filter cotton layer the process of automobile emission gas analyzer.Owing to can carry out regular cleaning and replacing to active carbon layer and filter cotton layer, therefore the situation of its complete complete blocking is also less, further, also not less through filtering the car tail tolerance of just directly discharging.
Preferably, also comprise hand hole, described hand hole is arranged on the sidewall of filtration tank, and more than filtered fluid liquid level, below screen cloth position.
Preferably, the top of described filtration tank is provided with upper cover, and described upper cover and filtration tank tower body are detachable connection.When needing the gas outlet to filtration tank inside, filter cotton layer and active carbon layer etc. to keep in repair and change, can operate by opening upper cover, convenient, easy.
Further, also comprise at least two capping handles, described at least two capping handles are fixed on upper cover uniformly.Upper cover is hemispherical, and free-hand the operation such as to be taken off more inconvenient, and the capping handle be fixedly installed by upper cover can the operation such as to be uncapped to upper cover easily, but also very laborsaving.
Preferably, described filtered fluid is akaline liquid.
Preferably, the aperture of the through hole that described sieve plate is arranged is 10mm, and pitch-row is 5mm, the thick 3mm of sieve plate.Draw through applicant's repetition test, this specification both can ensure that sieve plate can bear the weight of active carbon layer and the filter cotton layer arranged above it, and tail gas can also be made to pass through sieve plate smoothly.
Accompanying drawing explanation
Fig. 1 is that filter general assembly drawing is reclaimed in automobile exhaust of the present invention;
Fig. 2 is filtration tank structure first schematic diagram in the present invention;
Fig. 3 is filtration tank structure second schematic diagram in the present invention;
Fig. 4 is filtration tank structure the 3rd schematic diagram in the present invention;
Fig. 5 is filtration tank structure the 4th schematic diagram in the present invention.
Wherein: 1, filtration tank, 2, blower fan of bleeding, 3, sieve plate, 4, blast pipe, 5, discharge, 6, Tail gas measuring equipment, 7, air inlet pipe, 8, gas outlet, 9, hand hole, 10, sewage draining exit, 11, liquid level gauge, 12, upper cover, 13, capping handle, 14, filtered fluid, 15, active carbon, 16, filter cotton, 17, wireway, 18, relief valve, 19, extension spring, 20, cover plate, 21, stage clip.
Detailed description of the invention
Below in conjunction with accompanying drawing, a most preferred embodiment of the present invention is described further, to help understanding content of the present invention.
Preferred embodiment one
As depicted in figs. 1 and 2, the present invention includes filtration tank 1, the tower body side of described filtration tank 1 is provided with air inlet pipe 7, air inlet pipe 7 one end to pass into from the tower body side of filtration tank 1 in filtration tank 1 and the mouth of pipe down; Inner at filtration tank 1 and the filtered fluid 14 arranged below air inlet pipe 7 mouth of pipe is lime water, inner and arrange sieve plate 3 on air inlet pipe 7 mouth of pipe top at filtration tank 1, the aperture of the through hole that sieve plate 3 is arranged is 10mm, and pitch-row is 5mm, the thick 3mm of sieve plate.Sieve plate 3 top arranges active carbon layer 15, and the top of active carbon layer 15 arranges filter cotton layer 16.
In tower body side filter cotton layer 16 top is provided with gas outlet 8, gas outlet 8 is by blast pipe 4 and outdoor connection; Air inlet pipe 7 is connected away from the exhaust outlet of filtration tank 1 one end with blower fan 2 of bleeding, and the air inlet of blower fan 2 of bleeding is connected with one end of discharge 5, and the other end of discharge 5 is connected with the exhaust outlet of Tail gas measuring equipment 5; The bottom of filtration tank 1 is provided with sewage draining exit 10; The side of the bottom of filtration tank 1 is provided with liquid level gauge 11.Hand hole 9 is arranged on the sidewall of filtration tank 1, and more than filtered fluid 14 liquid level, screen cloth less than 3 position.
The top of filtration tank 1 is provided with upper cover 12, and described upper cover 12 is detachable connection with filtration tank 1 tower body.Two capping handles 13 are fixed on upper cover 12.
During specific works, vehicle exhaust is pumped in filtration tank 1 by blower fan 2 of bleeding, tail gas produces with certain speed and filtered fluid 14 liquid level and impacts, tail gas is spread, and the bulky grain nuisance in tail gas and part pernicious gas filter through filtrate, the rising of tail gas sectional uniform in filtration tank 1.Filtering through active carbon layer 15 and filter cotton layer 16, the tail gas after filtration is discharged into outdoor from the gas outlet 8 on filtration tank 1 top and blast pipe 4.
After the test traffic of filter 1 front end Tail gas measuring equipment 6 is lower than standard gauge provisioning request, change the filter course in filter.
Preferred embodiment two
As shown in figures 1 and 3, the present invention includes filtration tank 1, the tower body side of described filtration tank 1 is provided with air inlet pipe 7, air inlet pipe 7 one end to pass into from the tower body side of filtration tank 1 in filtration tank 1 and the mouth of pipe down; Inner at filtration tank 1 and the filtered fluid 14 arranged below air inlet pipe 7 mouth of pipe is lime water, inner and arrange sieve plate 3 on air inlet pipe 7 mouth of pipe top at filtration tank 1, the aperture of the through hole that sieve plate 3 is arranged is 10mm, and pitch-row is 5mm, the thick 3mm of sieve plate.Sieve plate 3 top arranges active carbon layer 15, and the top of active carbon layer 15 arranges filter cotton layer 16; The center of active carbon layer 15 and filter cotton layer 16 is provided with vertical through hole, and insert a wireway 17 in described through hole, the top of wireway 17 is provided with relief valve 18.
In tower body side filter cotton layer 16 top is provided with gas outlet 8, gas outlet 8 is by blast pipe 4 and outdoor connection; Air inlet pipe 7 is connected away from the exhaust outlet of filtration tank 1 one end with blower fan 2 of bleeding, and the air inlet of blower fan 2 of bleeding is connected with one end of discharge 5, and the other end of discharge 5 is connected with the exhaust outlet of Tail gas measuring equipment 5; The bottom of filtration tank 1 is provided with sewage draining exit 10; The side of the bottom of filtration tank 1 is provided with liquid level gauge 11.Hand hole 9 is arranged on the sidewall of filtration tank 1, and more than filtered fluid 14 liquid level, screen cloth less than 3 position.
The top of filtration tank 1 is provided with upper cover 12, and described upper cover 12 is detachable connection with filtration tank 1 tower body.Two capping handles 13 are fixed on upper cover 12.
During specific works, vehicle exhaust is pumped in filtration tank 1 by blower fan 2 of bleeding, tail gas produces with certain speed and filtered fluid 14 liquid level and impacts, tail gas is spread, and the bulky grain nuisance in tail gas and part pernicious gas filter through filtrate, the rising of tail gas sectional uniform in filtration tank 1.Filtering through active carbon layer 15 and filter cotton layer 16, the tail gas after filtration is discharged into outdoor from the gas outlet 8 on filtration tank 1 top and blast pipe 4.
When there is blocking in the active carbon layer 15 in filtration tank 1 and filter cotton layer 16, now, bleed blower fan 2 also being injected in filtration tank 1 by the tail gas collected endlessly, make in filtration tank 1, pressure increase in screen cloth 3 underlying space, when pressure reaches the setting pressure of relief valve 18, relief valve 18 is opened automatically, make in filtration tank 1, tail gas in screen cloth 3 underlying space is directly emitted without filtration, although effectively do not filter tail gas, but but ensure that filtration tank 1 and whole device safety, and also can not stop due to the blocking of active carbon layer 15 and filter cotton layer 16 process of automobile emission gas analyzer.
Preferred embodiment three
As described in Fig. 1 and Fig. 4, with the difference of preferred embodiment two, this preferred embodiment is that the center of active carbon layer 15 and filter cotton layer 16 is provided with the structure of vertical through hole.
In this preferred embodiment, the center of active carbon layer 15 and filter cotton layer 16 is provided with vertical through hole, a wireway 17 is inserted in through hole, the top of wireway 17 is provided with cover plate 20, and one end of extension spring 19 is fixedly connected with the top of screen cloth 3, and the other end is fixedly connected with the bottom of cover plate 20.
Specific works mode is as preferred embodiment two.
When there is blocking in the active carbon layer 15 in filtration tank 1 and filter cotton layer 16, now bleed blower fan 2 also being injected in filtration tank 1 by the tail gas collected endlessly, make in filtration tank 1, pressure increase in screen cloth 3 underlying space, when pressure reaches a timing, extension spring 19 is stretched, cover plate 20 upwards arches upward, make in filtration tank 1, tail gas in screen cloth 3 underlying space is directly emitted without filtration, although effectively do not filter tail gas, but but ensure that filtration tank and whole device safety, and also can not stop due to the blocking of active carbon layer and filter cotton layer the process of automobile emission gas analyzer.
Preferred embodiment four
As described in figures 1 and 5, with the difference of preferred embodiment two, this preferred embodiment is that the center of active carbon layer 15 and filter cotton layer 16 is provided with the structure of vertical through hole.
In this preferred embodiment, the center of active carbon layer 15 and filter cotton layer 16 is provided with vertical through hole, a wireway 17 is inserted in described through hole, the top of wireway 17 is provided with cover plate 20, and one end of stage clip 21 is fixedly connected with the top of cover plate 20, and the other end is fixedly connected with the top of filtration tank 1.
Specific works mode is as preferred embodiment two.
When there is blocking in the active carbon layer 15 in filtration tank 1 and filter cotton layer 16, now bleed blower fan also 2 being injected in filtration tank 1 by the tail gas collected endlessly, make in filtration tank 1, pressure increase in screen cloth 3 underlying space, when pressure reaches a timing, stage clip 21 is compressed, cover plate 20 upwards arches upward, make in filtration tank 1, tail gas in screen cloth 3 underlying space is directly emitted without filtration, although effectively do not filter tail gas, but but ensure that filtration tank and whole device safety, and also can not stop due to the blocking of active carbon layer and filter cotton layer the process of automobile emission gas analyzer.

Claims (6)

1. filter is reclaimed in automobile exhaust, comprise filtration tank (1), the tower body side of described filtration tank (1) is provided with air inlet pipe (7), air inlet pipe (7) one end to pass into from the tower body side of filtration tank (1) in filtration tank (1) and the mouth of pipe down; Inner and be provided with filtered fluid (14) below air inlet pipe (7) mouth of pipe at filtration tank (1), inner and sieve plate (3) is set on air inlet pipe (7) mouth of pipe top at filtration tank (1), sieve plate (3) top arranges active carbon layer (15), and the top of active carbon layer (15) arranges filter cotton layer (16); In tower body side, filter cotton layer (16) top is provided with gas outlet (8), gas outlet (8) are by blast pipe (4) and outdoor connection; Air inlet pipe (7) is connected away from the exhaust outlet of filtration tank (1) one end with blower fan of bleeding (2), the air inlet of blower fan (2) of bleeding is connected with one end of discharge (5), and the other end of discharge (5) is connected with the exhaust outlet of Tail gas measuring equipment (6); The bottom of filtration tank (1) is provided with sewage draining exit (10); The side of the bottom of filtration tank (1) is provided with liquid level gauge (11).
2. filter is reclaimed in automobile exhaust as claimed in claim 1, it is characterized in that: also comprise hand hole (9), described hand hole (9) is arranged on the sidewall of filtration tank (1), and more than filtered fluid liquid level, screen cloth (3) following position.
3. filter is reclaimed in automobile exhaust as claimed in claim 1, it is characterized in that: the top of described filtration tank (1) is provided with upper cover (12), and described upper cover (12) is detachable connection with filtration tank (1) tower body.
4. filter is reclaimed in automobile exhaust as claimed in claim 3, and it is characterized in that: also comprise at least two capping handles (13), described at least two capping handles (13) are fixed on upper cover (12) uniformly.
5. filter is reclaimed in automobile exhaust as claimed in claim 1, it is characterized in that: described filtered fluid (14) is akaline liquid.
6. filter is reclaimed in automobile exhaust as claimed in claim 1, it is characterized in that: the aperture of the upper through hole arranged of described sieve plate (3) is 10mm, and pitch-row is 5mm, the thick 3mm of sieve plate.
CN201510051918.3A 2015-01-30 2015-01-30 Defecator is reclaimed in automobile exhaust Active CN104667667B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510051918.3A CN104667667B (en) 2015-01-30 2015-01-30 Defecator is reclaimed in automobile exhaust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510051918.3A CN104667667B (en) 2015-01-30 2015-01-30 Defecator is reclaimed in automobile exhaust

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CN104667667A true CN104667667A (en) 2015-06-03
CN104667667B CN104667667B (en) 2016-11-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2455341Y (en) * 2000-11-25 2001-10-24 易敏华 Kitchen smoke eliminator
CN2686706Y (en) * 2004-03-23 2005-03-23 黄立新 Combined waste gas treating device
KR20060107022A (en) * 2005-04-06 2006-10-13 백정현 Activated carbon filter device of air cleaner
CN202655178U (en) * 2012-05-17 2013-01-09 福建瑞智涂装烘烤设备有限公司 Positive-pressure dustless environment-friendly spray/baking room
CN204601906U (en) * 2015-01-30 2015-09-02 驾道科技有限公司 Filter is reclaimed in automobile exhaust

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2455341Y (en) * 2000-11-25 2001-10-24 易敏华 Kitchen smoke eliminator
CN2686706Y (en) * 2004-03-23 2005-03-23 黄立新 Combined waste gas treating device
KR20060107022A (en) * 2005-04-06 2006-10-13 백정현 Activated carbon filter device of air cleaner
CN202655178U (en) * 2012-05-17 2013-01-09 福建瑞智涂装烘烤设备有限公司 Positive-pressure dustless environment-friendly spray/baking room
CN204601906U (en) * 2015-01-30 2015-09-02 驾道科技有限公司 Filter is reclaimed in automobile exhaust

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