CN2649783Y - Exhaust gas purifier for diesel engine - Google Patents
Exhaust gas purifier for diesel engine Download PDFInfo
- Publication number
- CN2649783Y CN2649783Y CN 200320100284 CN200320100284U CN2649783Y CN 2649783 Y CN2649783 Y CN 2649783Y CN 200320100284 CN200320100284 CN 200320100284 CN 200320100284 U CN200320100284 U CN 200320100284U CN 2649783 Y CN2649783 Y CN 2649783Y
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- catcher
- electrode
- tail gas
- catalytic reactor
- exhaust purifier
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Abstract
A diesel engine tail gas purifier, which belongs to the apparatus of purifying and processing the tail gas adopting the technology of mechanical filtering, catalytic reaction and electrostatic separation, is characterized in that a platelet structure is adopted for the ternary catalytic reactor; a ceramic filtering body is composed of two inside and outside cupped layers with the one covering on the other; an electric heater is a type that the temperature is controlled automatically; a first and second drip catcher or one of the two is provided in the high voltage Cottrell; a cavity storage typed structure is adopted in the drip catcher, wherein an electrode spoiler is provided on the central electrode; a filter, a reactor and a dust catcher are provided, orderly from the entrance point to the exit point of the tail gas, within the enclosed shell. These components can be used collectively or separately with one or a plurality of parts. The utility model has the advantages that problems are solved that the tail gas privation with the traditional technology is not thorough and the implement is easy to get choked; the separation and assembly are flexible and convenient; the processed tail gas completely reaches the standard of exhausting.
Description
Technical field
The utility model relates to a kind of device that adopts mechanical filter, catalytic reaction and electrostatic separation technique the tail gas of diesel engine emissions to be carried out purified treatment.
Background technique
At present carry out purified treatment for the tail gas that automobile produced that with the diesel engine is power, general mechanical type filtration and the three-element catalytic of adopting reacts, its filtrating equipment or catalytic reactor are filter net type structure or cellular structure mostly, when the device of tail gas by this structure, with particulate matter easily with its obstruction and cleaning difficulty, thereby increased the back pressure of motor, and make power consumpiton strengthen, be prone to problems such as automobilism difficulty.
The model utility content
The utility model is exactly to overcome the shortcoming that above-mentioned prior art exists, and it is blocked to provide a kind of purification plant to be difficult for, the diesel motor exhaust purifier of good purification.
The technical solution of the utility model is as follows:
This exhaust purifier is continued to use mechanical filter, the technology of catalytic reaction, electrostatic separation, to flammable organic substance, harmful gas, particulate matter in the tail gas filter, chemical treatment, capture store, and reaches the purpose of purification.The structure characteristic of this device is:
The utility model diesel motor exhaust purifier, comprise the harmful gas catalytic reactor, the mechanical filter that are configured in the same housing, wherein catalytic reactor is the laminated board type structure, is made of ceramic separator with holes spaced apart from each other, scribbles noble metal catalyst on the dividing plate; Mechanical filter is a pottery filter body, and being nested by inside and outside two-layer cup-shaped ceramic body with holes constitutes; Pottery filter body is positioned at the tail gas entrance point, and catalytic reactor is at outlet end, and the tail gas inlet tube stretches into the interior cup of pottery filter body, and its outer cup joins with the dividing plate of catalytic reactor; In this purifier, also be provided with automatic temperature-controlled type Electric heating appliance.
The utility model diesel motor exhaust purifier, the separator edge of wherein said formation catalytic reactor is overshooting shape, is having and outer cup-shaped, big or small identical hole with dividing plate central authorities that the external cup of pottery filter joins; Described automatic temperature-controlled type Electric heating appliance is connected and composed through temp. controlling box and the temperature transducer that is arranged in the catalytic reactor by electric heating wire, on the interior cup surface of pottery filter body cutting is arranged, and the electric heating wire of heating equipment is wrapped on the interior cup along cutting.
The utility model diesel motor exhaust purifier wherein also is included in described catalytic reactor back and installs high-voltage electrostatic dust separator additional, and this deduster is made of the combination of I and II catcher, or is made of separately the secondary catcher; Each constituent element of the exhaust purifier of said structure is installed in several detachable housings that are connected, or is installed in the same housing.
The utility model diesel motor exhaust purifier, wherein when exhaust purifier by pottery filter body, catalytic reactor, one-level catcher, when secondary catcher arranged in order constitutes, but the tail gas outlet end at purifier installs the revolving air exhauster additional, and the dust discharge valve is installed on housing.
The utility model diesel motor exhaust purifier, wherein:
The structure of described one-level catcher is, at catcher the centre electrode that is sleeved in the insulation tube arranged axially, it between insulation tube and the metal wall wire netting cellular type stored body, there is metal end with holes at the catcher two ends, end cap has compact heap outward, centre electrode stretches out on the end of catcher air inlet side end cap the electrode flow spoiler is housed, this electrode flow spoiler is made of conduction pallet with holes and affixed thereon T-shaped electrode plate, at the back side of conduction pallet promptly facing to also affixed in vertical direction needle electrode with it on the card of end cap;
The structure of described secondary catcher is, catcher centre electrode axially arranged, its part of stretching out the catcher outside is with insulation tube, its part in catcher is equipped with the electrode flow spoiler, this electrode flow spoiler is made of the electrode plate of spaced apart from each other and arranged in dislocation, the metal wall of catcher is divided into inner and outer wall with holes, it between the inside and outside wall wire netting cellular type stored body, the part that catcher two insulated end covers with holes contact with inside and outside wall and stored body is no port lid, and end cap has compact heap outward.
The utility model diesel motor exhaust purifier, the high-voltage power that wherein said high-voltage electrostatic dust separator uses is a modular organization, connect and compose step by step by high frequency oscillator, high-frequency step-up transformer, voltage doubling rectifying circuit, used DC electrical source is taken out by the Vehicular accumulator cell group, inserts high frequency oscillator through the control of " engine ignition detection " circuit.
The exhaust purifier of said structure can be according to the specific requirement to diesel emission, selects wherein certain part or several part or all of uses, as can forming independent purifier by the secondary catcher as required, or the series operation of several secondary catcher.
Major advantage of the present utility model is: 1, cup-shaped pottery filter body is used in combination with laminated board type structure catalytic reactor, join again with heater, make that flammable organic substance in the tail gas, harmful gas are fully removed, then separate dedusting with high-pressure electrostatic, realize multistage filtering, capture and comprehensive oxidation reaction, thereby purify thoroughly, the waste gas of discharge reaches standard, and utensil is not blocked; 2, Du Te electrode flow-disturbing makes dust removing effects better; 3, can complete machine use, also can extract one of them or several sections uses separately, can also several machines combinations use, flexible, be fit to actual demand; 4, also detachably cleaning of the inflatable removing of sediments, convenient simple and direct; This device volume is little in a word, and the efficient height purifies thoroughly, and cost is low, and is easy to use.
Description of drawings
Fig. 1 is an embodiment's of the utility model a complete machine structure sectional view;
Fig. 2, Fig. 3, Fig. 4, Fig. 5 are respectively A-A, B-B, C-C, the D-D sectional views among Fig. 1;
Fig. 6 is the high-voltage power circuit structured flowchart in the utility model;
Fig. 7 is embodiment's mesohigh of the utility model power circuit principle figure.
Embodiment
Exhaust purifier is made of pottery filter body and Electric heating appliance, catalytic reactor, one-level catcher, the combination of secondary catcher in the present embodiment, and the overall structure of purifier is the garden tubular.
The ceramic separator with holes 4 of catalytic reactor is the garden dish type, there is boss 5 at its edge, in 7-10 the closely connected successively housing 6 of packing into of dividing plate, air inlet end cap 31 by housing compresses, coated platinum (or palladium on the dividing plate, rhodium) precious metal such as, pottery filter body is nested by inside and outside two-layer cup-shaped ceramic body with holes and constitutes, cup 2 in tail gas inlet tube 27 stretches into, there is cutting on the surface of interior cup, the electric heating wire 3 of heater is wrapped on the interior cup 2 along cutting, catalytic reactor has the hole, garden with the central authorities of which floor dividing plate 4 ' that pottery filter body joins, its diameter adapts with the external cup of pottery filter 1 external diameter, insert for outer cup drive fit, Electric heating appliance is automatic temperature-controlled type, connect and compose through temp. controlling box 33 and the temperature transducer 34 that is arranged in the catalytic reactor by electric heating wire 3, sensor adopts thermocouple in the present embodiment, the control circuit relay switching circuit, thermocouple just is switched on or switched off the field circuit of relay coil according to the temperature of catalytic reactor, thereby controls the contact open that inserts in the electric heating wire power supply circuits, close (above referring to Fig. 1,2,3).After pottery filter body is heated the flammable organic substance in the tail gas is fully burnt, and not stop up the filter body, can react fully during temperature that catalytic reaction needing to obtain, then harmful gas is cleaned.
Particulate matter in the tail gas is removed with electrostatic separation, capture mode by the high-voltage electrostatic field in one-level catcher, the secondary catcher, and catcher is inserted in the housing with the assembling of little gap.The structure of described one-level catcher is, the centre electrode 7 that is sleeved in the insulation tube 8 axially having of catcher, it between insulation tube 8 and the metal wall 10 wire netting cellular type stored body 9, there is metal end with holes 11 at the catcher two ends, 12, end cap has compact heap 16 outward, 17 compress, centre electrode 7 stretches out on the end of catcher air inlet side end cap 11 the electrode flow spoiler is housed, this electrode flow spoiler is made of conduction pallet with holes 13 and affixed T-shaped electrode plate 14 thereon, at the back side of conduction pallet promptly facing to also affixed in vertical direction needle electrode 15 with it on the card of end cap 11; Conduction pallet 13, T-shaped electrode plate 14, needle electrode 15 are identical with centre electrode polarity, thereby when air-flow no matter be through the electric field between T-shaped electrode plate 14 and the housing 6, still pass the electric field between pallet 14, needle electrode 15 and the metal end 11, its entrained particulate matter all will be by charged.Cross end cap 11 when air communication and enter in the one-level catcher, charged particle (bigger) will be captured and store (above referring to Fig. 1, Fig. 4) by stored body 9.
Remaining particulate matter (more small) will continue to move to the secondary catcher with air-flow.The structure of described secondary catcher is, catcher centre electrode axially arranged, its part of stretching out the catcher outside is with insulation tube 26, its part in catcher is equipped with the electrode flow spoiler, this electrode flow spoiler is made of the electrode plate 18 of spaced apart from each other and arranged in dislocation, this electrode plate can be to be installed in eccentric plectane on the centre electrode according to different axis, the metal wall of catcher is divided into inwall 19 with holes and outer wall 20, in, it between the outer wall wire netting cellular type stored body 21, two insulated end covers 22 that catcher is with holes, 23 with in, outer wall 19,20 and the part of stored body 21 contact be no port lid, end cap is by compact heap 24,25 compress.Enter charged particle thing in the air-flow of secondary catcher and since be subjected to the influence of electrode flow spoiler 18 scolded to and pass inwall 19 with holes, captured and stored (above) by stored body 21 referring to Fig. 1, Fig. 5.After the secondary capture, the tail gas that motor is discharged reaches the emission standard of regulation fully, is discharged by air outlet 28.
The exhaust purifier of present embodiment structure is in order to clean convenient and to reduce engine back pressure, but also needs install revolving air exhauster 29 additional at the tail gas outlet end, and dust discharge valve 30 is installed on housing.In addition, also can take housing air inlet and outlet end lid 31,32 is opened, take out the internal components mode of cleaning regularly.
The housing of above-mentioned exhaust purifier can be made by stainless steel, the wall employing metal perforated plate of catcher or wire netting, wire gaze, and stored body is made by wire.
The centre electrode of two-stage catcher adopts the electrode bar of an elongated type to run through a secondary catcher in the present embodiment, and it stretches out give vent to anger a termination high-voltage power 35 of end cap 32 of housing.
The high-voltage power 35 that described high-voltage electrostatic dust separator is used is modular organizations, connect and compose step by step by high frequency oscillator, high-frequency step-up transformer, voltage doubling rectifying circuit, used DC electrical source is taken out by the Vehicular accumulator cell group, insert high frequency oscillator through the control of " engine ignition detection " circuit, through its multi resonant Ac that is transformed to about 10KHZ, rise to about 6KV by high-frequency step-up transformer T, be raised to the high direct voltage output of about 12KV again through voltage multiplying rectifier, the deduction loss, the about 10KV of actual output.High frequency oscillator constitutes astable multivibrator by time base ic chip and peripheral cell thereof, and the capacitor C 2 that its oscillation frequency is connect by pin 2, pin 6, resistance R 2, R3 determine.The high frequency square wave pulse that oscillator produces through the conducting of pin 3 output control switch pipe VT2 with end.Time base ic chip adopts the NE555 cake core.Charge molten C1, C2 and high voltage silicon rectifier stack DA, DB forms voltage doubling rectifying circuit.Integrator IC2, triode VT1, red luminotron LED1 etc. form undervoltage recognition circuit, (above referring to Fig. 6, Fig. 7).
Claims (6)
1. diesel motor exhaust purifier, comprise the harmful gas catalytic reactor, the mechanical filter that are configured in the same housing, it is characterized in that: catalytic reactor is the laminated board type structure, is made of ceramic separator with holes spaced apart from each other, scribbles noble metal catalyst on the dividing plate; Mechanical filter is a pottery filter body, and being nested by inside and outside two-layer cup-shaped ceramic body with holes constitutes; Pottery filter body is positioned at the tail gas entrance point, and catalytic reactor is at outlet end, and the tail gas inlet tube stretches into the interior cup of pottery filter body, and its outer cup joins with the dividing plate of catalytic reactor; In this purifier, also be provided with automatic temperature-controlled type Electric heating appliance.
2. diesel motor exhaust purifier according to claim 1 is characterized in that: the separator edge of described formation catalytic reactor is overshooting shape, is having and outer cup-shaped, big or small identical hole with dividing plate central authorities that the external cup of pottery filter joins; Described automatic temperature-controlled type Electric heating appliance is connected and composed through temp. controlling box and the temperature transducer that is arranged in the catalytic reactor by electric heating wire, on the interior cup surface of pottery filter body cutting is arranged, and the electric heating wire of heating equipment is wrapped on the interior cup along cutting.
3. diesel motor exhaust purifier according to claim 1 is characterized in that: also be included in described catalytic reactor back and install high-voltage electrostatic dust separator additional, this deduster is made of the combination of I and II catcher, or is made of separately the secondary catcher; Each constituent element of the exhaust purifier of said structure is installed in several detachable housings that are connected, or is installed in the same housing.
4. diesel motor exhaust purifier according to claim 3, it is characterized in that: when exhaust purifier by pottery filter body, catalytic reactor, one-level catcher, when secondary catcher arranged in order constitutes, but the tail gas outlet end at purifier installs the revolving air exhauster additional, and the dust discharge valve is installed on housing.
5. according to claim 3 or 4 described diesel motor exhaust purifiers, it is characterized in that:
The structure of described one-level catcher is, at catcher the centre electrode that is sleeved in the insulation tube arranged axially, it between insulation tube and the metal wall wire netting cellular type stored body, there is metal end with holes at the catcher two ends, end cap has compact heap outward, centre electrode stretches out on the end of catcher air inlet side end cap the electrode flow spoiler is housed, this electrode flow spoiler is made of conduction pallet with holes and affixed thereon T-shaped electrode plate, at the back side of conduction pallet promptly facing to also affixed in vertical direction needle electrode with it on the card of end cap;
The structure of described secondary catcher is, catcher centre electrode axially arranged, its part of stretching out the catcher outside is with insulation tube, its part in catcher is equipped with the electrode flow spoiler, this electrode flow spoiler is made of the electrode plate of spaced apart from each other and arranged in dislocation, the metal wall of catcher is divided into inner and outer wall with holes, is wire netting cellular type stored body between the inside and outside wall.
6. diesel motor exhaust purifier according to claim 3, it is characterized in that: the high-voltage power that described high-voltage electrostatic dust separator uses is a modular organization, connect and compose step by step by high frequency oscillator, high-frequency step-up transformer, voltage doubling rectifying circuit, used DC electrical source is taken out by the Vehicular accumulator cell group, inserts high frequency oscillator through the control of " engine ignition detection " circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320100284 CN2649783Y (en) | 2003-10-15 | 2003-10-15 | Exhaust gas purifier for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320100284 CN2649783Y (en) | 2003-10-15 | 2003-10-15 | Exhaust gas purifier for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2649783Y true CN2649783Y (en) | 2004-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320100284 Expired - Fee Related CN2649783Y (en) | 2003-10-15 | 2003-10-15 | Exhaust gas purifier for diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN2649783Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363542A (en) * | 2011-06-28 | 2012-02-29 | 顾忠华 | Dust and oil removal device for marine tail exhaust processing system |
| CN101235739B (en) * | 2007-11-05 | 2012-05-23 | 重庆跨纪科技有限公司 | Motor engine exhaust gas cleaning device |
| CN103485864A (en) * | 2013-10-09 | 2014-01-01 | 内蒙古上派环境科技有限公司 | Dielectrophoresis automobile exhaust dust remover |
| CN105491825A (en) * | 2016-01-21 | 2016-04-13 | 苏州沃森优金电子科技有限公司 | Embedded power supply module component |
| CN105491837A (en) * | 2016-01-21 | 2016-04-13 | 苏州沃森优金电子科技有限公司 | Self-positioning embedded power supply module component |
| CN105952509A (en) * | 2016-06-24 | 2016-09-21 | 王增荣 | Combined type automobile engine tail gas treatment system |
| CN106593580A (en) * | 2016-12-30 | 2017-04-26 | 三河市科达科技有限公司 | Engine waste gas cycle purifying and silencing system |
| CN109012176A (en) * | 2013-04-24 | 2018-12-18 | 庄信万丰股份有限公司 | The positive ignition engine and exhaust system of filter base including catalytic type zone coated |
| CN110624414A (en) * | 2019-09-27 | 2019-12-31 | 吴琦 | Engine rack exhaust-gas treatment equipment |
| CN112922695A (en) * | 2021-02-04 | 2021-06-08 | 合肥宝发动力技术股份有限公司 | Combined type diesel particle electric catcher |
-
2003
- 2003-10-15 CN CN 200320100284 patent/CN2649783Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235739B (en) * | 2007-11-05 | 2012-05-23 | 重庆跨纪科技有限公司 | Motor engine exhaust gas cleaning device |
| CN102363542A (en) * | 2011-06-28 | 2012-02-29 | 顾忠华 | Dust and oil removal device for marine tail exhaust processing system |
| CN109012176A (en) * | 2013-04-24 | 2018-12-18 | 庄信万丰股份有限公司 | The positive ignition engine and exhaust system of filter base including catalytic type zone coated |
| CN103485864A (en) * | 2013-10-09 | 2014-01-01 | 内蒙古上派环境科技有限公司 | Dielectrophoresis automobile exhaust dust remover |
| CN103485864B (en) * | 2013-10-09 | 2016-03-02 | 北京上派环境科技有限公司 | A kind of dielectrophoresis automobile tail dust remover |
| CN105491837B (en) * | 2016-01-21 | 2018-11-23 | 北京莱思欧照明有限公司 | A kind of self-positioning inline power module component |
| CN105491837A (en) * | 2016-01-21 | 2016-04-13 | 苏州沃森优金电子科技有限公司 | Self-positioning embedded power supply module component |
| CN105491825A (en) * | 2016-01-21 | 2016-04-13 | 苏州沃森优金电子科技有限公司 | Embedded power supply module component |
| CN105952509A (en) * | 2016-06-24 | 2016-09-21 | 王增荣 | Combined type automobile engine tail gas treatment system |
| CN105952509B (en) * | 2016-06-24 | 2018-06-15 | 王增荣 | Combined type automobile engine exhaust treatment system |
| CN106593580A (en) * | 2016-12-30 | 2017-04-26 | 三河市科达科技有限公司 | Engine waste gas cycle purifying and silencing system |
| CN110624414A (en) * | 2019-09-27 | 2019-12-31 | 吴琦 | Engine rack exhaust-gas treatment equipment |
| CN112922695A (en) * | 2021-02-04 | 2021-06-08 | 合肥宝发动力技术股份有限公司 | Combined type diesel particle electric catcher |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |