CN1232133A - Exhaust gas purifying device - Google Patents

Exhaust gas purifying device Download PDF

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Publication number
CN1232133A
CN1232133A CN99103467A CN99103467A CN1232133A CN 1232133 A CN1232133 A CN 1232133A CN 99103467 A CN99103467 A CN 99103467A CN 99103467 A CN99103467 A CN 99103467A CN 1232133 A CN1232133 A CN 1232133A
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CN
China
Prior art keywords
waste gas
tube
downstream side
shaped tube
mentioned
Prior art date
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Pending
Application number
CN99103467A
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Chinese (zh)
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榊原明
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Individual
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Individual
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Publication of CN1232133A publication Critical patent/CN1232133A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/005—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for draining or otherwise eliminating condensates or moisture accumulating in the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Gas Separation By Absorption (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Incineration Of Waste (AREA)

Abstract

A device for cleaning exhaust gases, and wherein wall portions are provided in an intermediate portion of a cylindrical pipe, a number of tubular nozzles are secured to said wall portions, the upstream side of said cylindrical pipe into which said tubular nozzles are secured is coupled to an exhaust pipe of an internal combustion engine, a coupling pipe having an exhaust port and an air suction device is coupled to a front end on the downstream side of said cylindrical pipe, and a liquefied substance sedimentation portion is formed in a lower part of the cylindrical pipe on the downstream side, when the exhaust gases fed into the cylindrical pipe on the upstream side flows into the cylindrical pipe on the downstream side, the pressure has been reduced, the water vapor contained in the exhaust gases is quickly quenched and is liquefied, hazardous substances contained in the exhaust gases are dissolved in the liquid and are settled, and the cleaned exhaust gases are emitted into the atmosphere through the exhaust port.

Description

Waste gas cleaning plant
The present invention relates to waste gas cleaning plant, particularly be arranged on the waste gas cleaning plant of the internal-combustion engine in automobile or the factory etc.
In the past, for example the waste gas of discharging from motor car engine was containing nitrogen oxide (NO x), hydrosulphate (SO x), be discharged in the atmosphere under the state of hydrocarbon (HC), carbon monoxide materials such as (CO).
The material that is discharged into like this in the atmosphere is the public hazards material that baneful influence is arranged for biology, therefore, people have carried out various researchs in order to reduce these public hazards materials as far as possible, but owing to solve quite difficulty technically, so never have effective countermeasure.
Thus, just produced the technical task that how can reduce the above-mentioned public hazards material that produces by internal-combustion engine as far as possible.And purpose of the present invention will solve this technical task exactly.
In order to achieve the above object, the invention provides a kind of like this waste gas cleaning plant, it constitutes, pass through tubular nozzle, to deliver under the low pressure by the waste gas that internal-combustion engine produces, the water vapour that will be sent to again in the waste gas under this environment under low pressure cools off back liquefaction rapidly, and the public hazards material in the waste gas is sneaked in this liquid and deposited.By such structure, can reduce public hazards material contained in this waste gas.In addition, the formation of above-mentioned waste gas cleaning plant also has, central part at tube-shaped tube is provided with wall portion, in this wall portion,, fixing some tubular nozzles to touch and to run through the mode of the both sides of this wall portion, to be fixed with the upstream side of the above-mentioned tube-shaped tube of this tubular nozzle again, be connected and be connected with internal-combustion engine on the outlet pipe that is provided with, simultaneously, the connecting tube that will have relief opening and have an air aspirator is connected the front end in the downstream side of this tube-shaped tube; Below this downstream side tube-shaped tube, be provided with liquefied material precipitation portion.Waste gas in the tube-shaped tube of delivering to above-mentioned upstream side, when flowing down in the tube-shaped tube in the downstream side that is formed low pressure by the air aspirator, contained water vapour cools off back liquefaction rapidly in this waste gas, is included in the NO in the waste gas x, SO xSneak into etc. the public hazards material and to precipitate in this liquid, the waste gas after the purification is discharged into the atmosphere from above-mentioned relief opening.
Below by accompanying drawing one embodiment of the present of invention are elaborated.
Fig. 1 is the explanation planimetric map of a part of otch of expression one embodiment of the invention major component;
Fig. 2 is the plan view of the assembly department of expression tubular nozzle shown in Figure 1.
What Fig. 1 was represented is the outlet pipe of discharging gas from the interior internal-combustion engine that is provided with such as automobile or factory.By joint 3, tube-shaped tube 2 is connected on this outlet pipe 1.In the central part inboard of this tube-shaped tube 2, fixing wall portion 4,4, be used to form the upstream side U and the downstream side D of waste gas stream.In this wall portion 4,4,, fixing some tubular nozzles 5,5 can touch the mode of upstream side U and D both sides, downstream side ..., like this, discharge and deliver to the waste gas of the upstream side U of tube-shaped tube 2 from outlet pipe 1, by this tubular nozzle 5,5 ..., side D flows downstream.In addition, wall portion 4,4 and be fixed on some tubular nozzles 5,5 in this wall portion 4,4 ... also can make, also can produce same effect in itself with integral body such as potteries.
In addition, by joint 3a, be connected with connecting tube 8 at the front end of the downstream side of this tube-shaped tube 2 D, this connecting tube 8 has the relief opening 6 and the air aspirator 7 in the place ahead, this air aspirator 7 is made up of propeller cavitation etc., is used for attracting forcefully air, thereby makes above-mentioned downstream side D form low pressure.
Below the D of the downstream side of this tube-shaped tube 2, be provided with liquefied material precipitation portion 9, when above-mentioned waste gas from above-mentioned upstream side U when the downstream side D that forms low pressure flows down, contained water vapour cools off back liquefaction rapidly in this waste gas.NO in this waste gas x, SO xAnd other public hazards material is sneaked into this liquid (H 2O) in, be deposited in afterwards in the above-mentioned liquefied material precipitation portion 9, thereby constituted waste gas cleaning plant W.
In the waste gas of being discharged by internal-combustion engine, removing has HC, CO, NO xOutside, also comprise water vapour (H simultaneously 2O).Like this, this waste gas that contains above-mentioned each composition is admitted in the tube-shaped tube 2 of upstream side U, when arriving above-mentioned tubular nozzle 5,5 ... inlet near the time, this water vapour (H 2O) with HC, CO, NO xDeng the mutual polymerization of composition, be admitted to above-mentioned tubular nozzle 5,5 ... in.Because above-mentioned tubular nozzle 5,5 ... be small-bore, so the change of the exhaust velocity of this waste gas is big, and above-mentioned tubular nozzle 5,5 ... the interior low pressure that forms, therefore, even passing through above-mentioned tubular nozzle 5,5 ... in the interior process, above-mentioned water vapour (H 2O) still be cooled back liquefaction.In addition, the air in the tubular bulb 2 of downstream side D is outwards attracted by above-mentioned air aspirator 7, makes the tubular bulb 2 interior low pressure that form of this downstream side D.Therefore, when passing through above-mentioned tubular nozzle 5,5 ... in water vapour in when also the material of liquefaction does not flow in the field of this environment under low pressure, almost all liquefy after the cooling rapidly, simultaneously, above-mentioned HC, CO or NO xAnd other SO xDeng being dissolved in this liquid (H 2O) in, be deposited in afterwards in the liquefied material precipitation portion 9 of below.Like this, can very reduce public hazards material HC, CO or NO in the waste gas that internal-combustion engine discharges effectively x, SO xDeng.
Also have, the waste gas of being discharged by internal-combustion engine also can pass through catalytic converter (not shown) etc. in advance, uses catalyzer, makes above-mentioned HC and CO oxidation, plays chemical change, makes harmful HC become harmless water vapour (H 2O) and harmless carbon dioxide gas (CO 2), together be admitted in the tube-shaped tube 2 of above-mentioned upstream side U with waste gas afterwards.At this moment, the amount of above-mentioned water vapour increases, when passing through above-mentioned tubular nozzle 5,5 ... in the time of in the tube-shaped tube 2 of inflow downstream side D, can obtain a large amount of liquid (H 2O).Therefore, sneak into or be dissolved in H 2CO in the liquid of O 2, or do not play HC, CO and the NO of chemical change by above-mentioned catalytic converter x, and other SO xDeng with this liquid together, very be deposited to effectively in the following liquefied material precipitation portion 9 and store.Being stored in mixtures in this liquefied material precipitation portion 9 can take out at the appropriate time and dispose.In addition, the downstream side D of tube-shaped tube 2 for as far as possible aforesaid liquid being deposited in this liquefied material precipitation portion 9, also can being close to this liquefied material precipitation portion 9 sieve aperture 10 is set.Above-mentioned liquefied material precipitation portion 9 can freely load and unload.
In addition, 11 is branched pipe, when the waste gas of sending into to the upstream side U of above-mentioned tube-shaped tube 2 from above-mentioned outlet pipe 1, can not in above-mentioned waste gas cleaning plant W, all handle, and when in the tube-shaped tube 2 of this upstream side U, having remainder of exhaust gas, this remainder of exhaust gas can discharge by this branched pipe 11, perhaps also this remainder of exhaust gas can be sent into behind another tube-shaped tube 2a row again and handle, and the above-mentioned waste gas cleaning plant W that this tube-shaped tube 2a will be configured on the above-mentioned tube-shaped tube 2 is connected setting with this branched pipe 11.This waste gas cleaning plant W not only can adopt one-level formula, secondary formula, also can adopt multistage.Like this, the public hazards material in the waste gas can more effectively be removed.
Embodiments of the invention are relevant devices as mentioned above, so be admitted to the upstream side U of tube-shaped tube 2 from the waste gas of internal-combustion engine discharge.Then, the tubular nozzle 5,5 by above-mentioned waste gas cleaning plant W ..., flow into downstream side D.At this moment, the air of this downstream side D is attracted at a high speed by above-mentioned air aspirator 7, and than the speed of the sending into height of sending into waste gas from upstream side U, therefore, this downstream side D forms low-pressure state.Therefore, when waste gas by above-mentioned tubular nozzle 5,5 ... when entering this downstream side D, the water vapour in this waste gas cools off back liquefaction, this liquid (H rapidly 2O) be trapped in the liquefied material precipitation portion 9 of bottom.At this moment, the above-mentioned public hazards material that is included in this waste gas is sneaked into this liquid (H 2O) in, with this liquid (H 2O) together be deposited in the liquefied material precipitation portion 9.Therefore, the waste gas of this downstream side D that flows through is cleaned because of wherein contained above-mentioned public hazards material significantly reduces, and the relief opening 6 from the place ahead is discharged into the atmosphere afterwards.Above-mentioned sludge can take out arbitrarily and dispose.
In addition, so long as do not break away from purport of the present invention, all can do various distortion on this basis.And the present invention has related to this distortion certainly.
The present invention by being arranged on the waste gas cleaning plant in the tube-shaped tube, can significantly reduce contained HC, CO, NO from the waste gas that internal-combustion engine is discharged as above-mentioned embodiment describes in detail x, SO xDeng, therefore, can prevent as much as possible that by being arranged on the baneful influence that interior exhaust gas of internal combustion engines such as automobile or factory is brought to biology, its effect is remarkable.

Claims (2)

1. waste gas cleaning plant, it is characterized in that, its formation is to pass through tubular nozzle, to deliver under the low pressure by the waste gas that internal-combustion engine produces, and the water vapour that will be sent in the waste gas under this environment under low pressure cools off back liquefaction rapidly, public hazards material in the waste gas is sneaked in this liquid and is deposited, so that reduce public hazards material contained in this waste gas.
2. waste gas cleaning plant as claimed in claim 1, it is characterized in that, it constitutes: the central part at tube-shaped tube is provided with wall portion, in this wall portion, to touch and to run through the mode of these wall portion both sides, fixing some tubular nozzles, to be fixed with the upstream side of the above-mentioned tube-shaped tube of this tubular nozzle again, be connected with internal-combustion engine and be connected on the outlet pipe that is provided with, simultaneously, the connecting tube that will have relief opening and have an air aspirator is connected the front end in the downstream side of this tube-shaped tube, is provided with liquefied material precipitation portion below this downstream side tube-shaped tube; Waste gas in the tube-shaped tube that is admitted to described upstream side, when flowing down in the tube-shaped tube in the downstream side that is formed low pressure by described air aspirator, the contained water vapour of this waste gas cools off back liquefaction rapidly, is included in the NO in this waste gas x, SO xSneak into etc. the public hazards material and to precipitate in this liquid, the waste gas that is cleaned afterwards is discharged into the atmosphere from above-mentioned relief opening.
CN99103467A 1998-04-13 1999-03-30 Exhaust gas purifying device Pending CN1232133A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10119098A JP3366249B2 (en) 1998-04-13 1998-04-13 Exhaust gas purification device
JP101190/98 1998-04-13

Publications (1)

Publication Number Publication Date
CN1232133A true CN1232133A (en) 1999-10-20

Family

ID=14294050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99103467A Pending CN1232133A (en) 1998-04-13 1999-03-30 Exhaust gas purifying device

Country Status (9)

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JP (1) JP3366249B2 (en)
KR (1) KR19990083033A (en)
CN (1) CN1232133A (en)
AU (1) AU2254199A (en)
CA (1) CA2243840A1 (en)
DE (1) DE19916435A1 (en)
FR (1) FR2777319A1 (en)
GB (1) GB2336326B (en)
IT (1) IT1308442B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858238A (en) * 2010-04-06 2010-10-13 江南大学 Non-chemical purification method for automobile exhaust
CN110629434A (en) * 2019-10-30 2019-12-31 桐乡市衣涟皮草有限公司 Drying structure of printing and dyeing device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1377501A (en) * 1971-01-09 1974-12-18 Shaw Ltd Gilbert Method and apparatus for reducing atmospheric pollution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858238A (en) * 2010-04-06 2010-10-13 江南大学 Non-chemical purification method for automobile exhaust
CN110629434A (en) * 2019-10-30 2019-12-31 桐乡市衣涟皮草有限公司 Drying structure of printing and dyeing device

Also Published As

Publication number Publication date
ITTO990272A1 (en) 2000-10-08
FR2777319A1 (en) 1999-10-15
AU2254199A (en) 1999-10-21
GB2336326B (en) 2000-08-02
CA2243840A1 (en) 1999-10-13
JPH11294143A (en) 1999-10-26
GB9825850D0 (en) 1999-01-20
DE19916435A1 (en) 1999-10-14
KR19990083033A (en) 1999-11-25
IT1308442B1 (en) 2001-12-17
JP3366249B2 (en) 2003-01-14
GB2336326A (en) 1999-10-20

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C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication