CN107489495A - Adjust the trapezoidal exhaust gas filter of tail gas resistance - Google Patents

Adjust the trapezoidal exhaust gas filter of tail gas resistance Download PDF

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Publication number
CN107489495A
CN107489495A CN201610401834.2A CN201610401834A CN107489495A CN 107489495 A CN107489495 A CN 107489495A CN 201610401834 A CN201610401834 A CN 201610401834A CN 107489495 A CN107489495 A CN 107489495A
Authority
CN
China
Prior art keywords
rose box
exhaust gas
tail gas
next door
axle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610401834.2A
Other languages
Chinese (zh)
Inventor
华国金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGYIN HUAYIN CERAMIC ELECTROMECHANICAL TECHNOLOGY Co Ltd
Original Assignee
JIANGYIN HUAYIN CERAMIC ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGYIN HUAYIN CERAMIC ELECTROMECHANICAL TECHNOLOGY Co Ltd filed Critical JIANGYIN HUAYIN CERAMIC ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority to CN201610401834.2A priority Critical patent/CN107489495A/en
Publication of CN107489495A publication Critical patent/CN107489495A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/06—Combinations of different methods of purification afterburning and filtering
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/06—Exhaust treating devices having provisions not otherwise provided for for improving exhaust evacuation or circulation, or reducing back-pressure
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/30—Honeycomb supports characterised by their structural details
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/16—Chambers with particular shapes, e.g. spherical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The present invention relates to a kind of trapezoidal exhaust gas filter for adjusting tail gas resistance.It includes Rose Box（1）, standby carrier（9）, cover plate（10）, supporting plate（11）, stage clip（7）And axle（8）, the Rose Box（1）Inside it is provided with screen pack（2）And ceramic honeycomb carrier（3）.A kind of trapezoidal exhaust gas filter for adjusting tail gas resistance of the present invention, under screen pack and ceramic honeycomb carrier double-filtration, by the tail gas that main component is CO, HC, NOx, react into CO2、H2O、N2And O2, while the micropore on next door can effectively filter the black smoke particle in waste gas, and black smoke particle can be burned off in the presence of catalyst coat, the pressure in Rose Box can adjust at any time, ensure that the stable operation of engine.

Description

Adjust the trapezoidal exhaust gas filter of tail gas resistance
Technical field
The present invention relates to a kind of trapezoidal exhaust gas filter for adjusting tail gas resistance, for purifying vehicle exhaust.Belong to automobile Equipment technical field.
Background technology
At present, common car tail-gas filter, it is using catalyst and NO, NO in vehicle exhaust2Reacted with CO, it is raw Into CO2And N2Both uncontaminated gases, but the automobile of diesel engine is equipped with, due to containing in the tail gas of diesel engine Black smoke particle, existing exhaust gas filter can not effectively filter black smoke particle, can so cause environmental pollution.
Exhaust gas filter could discharge after being handled, and after long-time use, have some non-renewable impurity to adhere to On the inwall of filtration supports, increase the resistance of exhaust emissions, can so cause the power drop of engine, there is potential safety hazard.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of trapezoidal exhaust gas filter for adjusting tail gas resistance, This exhaust gas filter can also filter black smoke particle while CO, HC, NOx pernicious gas in filtering vehicle exhaust, and in height The lower black smoke particle of temperature can progressively burn and aoxidize；；Pressure in Rose Box can adjust at any time so that exhaust emissions is unobstructed, no The power of engine can be influenceed.
The object of the present invention is achieved like this：
A kind of trapezoidal exhaust gas filter for adjusting tail gas resistance, including Rose Box, are characterized in：It was provided with the Rose Box Filter screen and ceramic honeycomb carrier, the Rose Box include the first arc-shaped edges, the second arc-shaped edges, the first hypotenuse and the second hypotenuse, institute State the first arc-shaped edges, the second hypotenuse, the second arc-shaped edges and the first hypotenuse to join end to end successively, connecting place uses round-corner transition, institute State ceramic honeycomb carrier and be densely covered with stomata in the axial direction, one end of the stomata is opening, and the other end is provided with closure face, institute The closure face of stating and open space arrangement, the two neighboring stomata are provided with next door, are provided with next door in cellular micropore, every Catalyst coat is coated with wall, the exhaust gas filter also includes standby carrier, cover plate, supporting plate, stage clip and axle, standby load Body is arranged side by side with ceramic honeycomb carrier, and one end of axle is offseted by supporting plate and Rose Box, and the other end of axle is connected with cover plate, The offgas outlet end of cover plate and standby carrier coordinates, and stage clip is set on axle, and its one end offsets with cover plate, the other end and Rose Box Inwall offset.
A kind of trapezoidal exhaust gas filter for adjusting tail gas resistance of the present invention, the hole count of its stomata is 600 holes/square inch.
A kind of trapezoidal exhaust gas filter for adjusting tail gas resistance of the present invention, the thickness in its next door is 0.13 ~ 0.14mm.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of trapezoidal exhaust gas filter for adjusting tail gas resistance of the present invention, under screen pack and ceramic honeycomb carrier double-filtration, By the tail gas that main component is CO, HC, NOx, CO is reacted into2、H2O、N2And O2, while the micropore on next door can effectively filter it is useless Black smoke particle in gas, and black smoke particle can be burned off in the presence of catalyst coat, further increase tail gas clean-up Effect；When the pressure in Rose Box exceedes permissible value, this pressure can push up plate of uncapping, and tail gas is discharged from standby carrier, so as to solve The problem of exhaust emissions resistance of having determined is big so that engine stabilizer is run.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the trapezoidal exhaust gas filter for adjusting tail gas resistance of the present invention.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the schematic cross-section of the ceramic honeycomb carrier of the present invention.
Fig. 4 is the partial axial section figure of the ceramic honeycomb carrier of the present invention.
Fig. 5 is the structural representation in the next door of the ceramic honeycomb carrier of the present invention.
Fig. 6 is the enlarged drawing of A in Fig. 1.
In figure：
Rose Box 1,
First arc-shaped edges 1.1,
Second arc-shaped edges 1.2,
First hypotenuse 1.3,
Second hypotenuse 1.4,
Screen pack 2,
Ceramic honeycomb carrier 3,
Stomata 3.1,
Closure face 3.2,
Next door 3.3,
Micropore 3.4,
Catalyst coat 3.5
Opening 3.6,
Inlet exhaust gas 4,
Offgas outlet 5,
Tail gas 6,
Stage clip 7,
Axle 8,
Standby carrier 9,
Cover plate 10,
Supporting plate 11.
Embodiment
Referring to Fig. 1-6, the present invention relates to a kind of trapezoidal exhaust gas filter for adjusting tail gas resistance, and it includes Rose Box 1, screen pack 2 and ceramic honeycomb carrier 3, the left end of Rose Box 1 is inlet exhaust gas 4, and right-hand member is offgas outlet 5, the screen pack 2 and ceramic honeybee Nest carrier 3 is arranged in Rose Box 1, and for screen pack 2 at inlet exhaust gas 4, the Rose Box 1 includes the first arc-shaped edges 1.1, the Two arc-shaped edges 1.2, the first hypotenuse 1.3 and the second hypotenuse 1.4, first arc-shaped edges 1.1, the second hypotenuse 1.4, the second arc-shaped edges 1.2 and first hypotenuse 1.3 join end to end successively, connecting place uses round-corner transition, the shape of the ceramic honeycomb carrier 3 and filtering The correspondence of case 1, and ceramic honeycomb carrier 3 is densely covered with stomata 3.1 in the axial direction, one end of the stomata 3.1 is opening 3.6, separately One end is provided with closure face 3.2, the closure face 3.2 and the arranged for interval of opening 3.6, and the two neighboring stomata 3.1 is provided with Next door 3.3, it is provided with next door 3.3 in cellular micropore 3.4, catalyst coat 3.5 is coated with next door 3.3.
Wherein, the hole count of stomata 3.1 is 600 holes/square inch, and the thickness in next door 3.3 is 0.13 ~ 0.14mm.
The filter also includes standby carrier 9, cover plate 10, supporting plate 11, stage clip 7 and axle 8, standby carrier 9 and ceramics Honeycomb substrate 3 is arranged side by side, and one end of axle 8 is offseted by supporting plate 11 and Rose Box 1, and the other end of axle 8 is connected with cover plate 10, The offgas outlet of cover plate 10 and standby carrier 9 coordinates, and stage clip 7 is set on axle 8, and its one end offsets with cover plate 10, the other end and The inwall of Rose Box 1 offsets.
Under normal circumstances, cover plate 10 seals the offgas outlet of standby carrier 9, when the pressure in Rose Box 1 exceedes permissible value When, this pressure can push up plate 10 of uncapping, and tail gas is discharged from standby carrier 9, so as to solve the problems, such as that exhaust emissions resistance is big so that Engine stabilizer is run.
Operation principle：The present invention is fabricated to honeycomb ceramic carrier using cordierite, and is built in diesel engine vent gas purification In device, the waste gas inlet exhaust gas 4 with black smoke particle of diesel engine discharge enters, by the by-pass filtration of screen pack 2, so Enter ceramic honeycomb carrier 3 afterwards, enter from the opening 3.6 of stomata 3.1, because stomata 3.1 is opening 3.6 at one end, and another One end is then closure face 3.2, therefore waste gas can be by the next door 3.3 with micropore 3.4, then from the opening of adjacent air holes 3.1 3.6 discharges, because the diameter of black smoke particle is big compared with micropore 3.4, therefore the black smoke particle in waste gas will catch next door by filtering On 3.3, air-flow then passes through from micropore 3.4.
Active rare earth of the catalyst coat 3.5 containing noble metal, Main Ingredients and Appearance have Pt, Pd, Rh, Al2O3、Ce、La、 Zr, Cu, Mn, the waste gas of diesel combustion（The predominantly pernicious gas such as CO, HC, NOx）During through micropore 3.4, next door is coated Catalyst coat 3.5 on 3.3 will strengthen CO, HC, NOxThe activity of three kinds of gas, it is promoted to carry out certain oxidationreduction Reaction is learned, wherein CO is oxidized to colourless nontoxic carbon dioxide at high temperature, and HC compounds resolve into water at high temperature （H2O）And carbon dioxide, NOxIt is reduced into nitrogen and oxygen.
When diesel exhaust gas temperature reaches 375 degrees Celsius, in the presence of catalyst coat 3.5, on next door 3.3 Black smoke particle can progressively burn and aoxidize, and the purifying rate of black smoke particle about reaches more than 85%, is taken the photograph when reaction temperature reaches 500 Catalyst and black smoke particle reaction when family name spends are so that completely burned is fallen（Catalysis burning）, now the purifying rate of black smoke particle is reachable More than 90%.

Claims (3)

1. a kind of trapezoidal exhaust gas filter for adjusting tail gas resistance, including Rose Box（1）, it is characterised in that：The Rose Box（1） Inside it is provided with screen pack（2）And ceramic honeycomb carrier（3）, the Rose Box（1）Including the first arc-shaped edges（1.1）, the second circular arc Side（1.2）, the first hypotenuse（1.3）With the second hypotenuse（1.4）, first arc-shaped edges（1.1）, the second hypotenuse（1.4）, second circle Arc side（1.2）With the first hypotenuse（1.3）Join end to end successively, connecting place uses round-corner transition, the ceramic honeycomb carrier（3）Edge Axis direction is densely covered with stomata（3.1）, the stomata（3.1）One end be opening（3.6）, the other end is provided with closure face （3.2）, the closure face（3.2）And opening（3.6）Arranged for interval, the two neighboring stomata（3.1）It is provided with next door （3.3）, next door（3.3）On be provided with cellular micropore（3.4）, next door（3.3）It is upper to be coated with catalyst coat（3.5）, institute Stating exhaust gas filter also includes standby carrier（9）, cover plate（10）, supporting plate（11）, stage clip（7）And axle（8）, standby carrier（9） With ceramic honeycomb carrier（3）It is arranged side by side, axle（8）One end pass through supporting plate（11）With Rose Box（1）Offset, axle（8）It is another One end and cover plate（10）Connection, cover plate（10）With standby carrier（9）Offgas outlet end coordinate, stage clip（7）It is set in axle（8） On, its one end and cover plate（10）Offset, the other end and Rose Box（1）Inwall offset.
A kind of 2. trapezoidal exhaust gas filter for adjusting tail gas resistance according to claim 1, it is characterised in that：The stomata （3.1）Hole count be 600 holes/square inch.
A kind of 3. trapezoidal exhaust gas filter for adjusting tail gas resistance according to claim 1 or 2, it is characterised in that：It is described Next door（3.3）Thickness be 0.13 ~ 0.14mm.
CN201610401834.2A 2016-06-12 2016-06-12 Adjust the trapezoidal exhaust gas filter of tail gas resistance Pending CN107489495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610401834.2A CN107489495A (en) 2016-06-12 2016-06-12 Adjust the trapezoidal exhaust gas filter of tail gas resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610401834.2A CN107489495A (en) 2016-06-12 2016-06-12 Adjust the trapezoidal exhaust gas filter of tail gas resistance

Publications (1)

Publication Number Publication Date
CN107489495A true CN107489495A (en) 2017-12-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610401834.2A Pending CN107489495A (en) 2016-06-12 2016-06-12 Adjust the trapezoidal exhaust gas filter of tail gas resistance

Country Status (1)

Country Link
CN (1) CN107489495A (en)

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Application publication date: 20171219