CN104912633B - Electrical heating heat riser for motor vehicle exhaust emission - Google Patents
Electrical heating heat riser for motor vehicle exhaust emission Download PDFInfo
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- CN104912633B CN104912633B CN201510311717.2A CN201510311717A CN104912633B CN 104912633 B CN104912633 B CN 104912633B CN 201510311717 A CN201510311717 A CN 201510311717A CN 104912633 B CN104912633 B CN 104912633B
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- electric heater
- cylinder
- layer
- gas cylinder
- inner chamber
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000005485 electric heating Methods 0.000 claims abstract description 23
- 238000009826 distribution Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 238000012946 outsourcing Methods 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
Electrical heating heat riser for motor vehicle exhaust emission belongs to automobile exhaust pollution thing technical field of emission reduction, solve the problems, such as that low temperature exhaust gas catalyzed conversion is ineffective, main body (1) is by multiple concentric, and it is fixed with gas cylinder (4) composition of honeycomb filling body (19), each gas cylinder (4) is made up of corresponding or adjacent electric heater sleeve (6), equal sealed insulation formula is fixed with the electric heating body (7) of regular distribution in each electric heater sleeve (6), and have the power outlet (12) in parallel drawn, also with temperature controller (15)；It is easy to improve electrically heated general power, beneficial to uniform heating, beneficial to the volume for reducing device；With the supporting installation of catalytic converter after, especially for cold-starting automobile, greatly can uniformly improve the programming rate to low temperature exhaust gas, improve catalyzed conversion effect, reduce the pollution of vehicle exhaust；Easy fabrication and installation, service life length.
Description
Technical field
The invention belongs to automobile exhaust pollution thing technical field of emission reduction, is related to a kind of electrical heating for motor vehicle exhaust emission
Heat riser.
Background technology
In pollution reduction technology in existing control motor vehicle exhaust emission, using tail gas catalyzed treatment technology, both existed
Catalytic converter is housed in vehicle vent gas discharging pipe, and otherwise the optimum working temperature of catalyst does not reach more than 250 DEG C
The effect of catalyzed conversion；Restarting after cold-starting automobile, interval are stopped in reality and of short duration parking, idling and Smaller load work
Under condition, exhaust emissions temperature is generally less than 250 DEG C, and catalyst does not work or acted on mostly minimum, therefore, causes tail gas to arrange
Pollution is put generally largely to exist.
To solve the problems, such as that automobile low temperature exhaust gas discharges and catalytic converter does not work, Chinese patent
ZL2013208953957 provides a kind of automatic heating system for motor vehicle exhaust emission, is fitted in catalyzed conversion
Before device, it is disadvantageous in that：Due to its accumulation of heat and the split type combination of heat exchanger and bypass line, space-consuming is big, another side
Its air guide of face and heat exchanger tube system architecture are complicated, are not easy to make, and easy break-down, and low to tail gas heating programming rate.
The content of the invention
The technical problem of solution：
Electrical heating heat riser for motor vehicle exhaust emission is provided, the deficiencies in the prior art can be overcome, is used
The electric heating device and honeycomb filler build heat conduction structure of more annulus cylinder uniform distribution types, greatly can uniformly be improved to low temperature exhaust gas
Programming rate, it is simple in construction, occupy little space, easily manufacture installation, easily with catalytic converter support the use.
The technical scheme of use：
For the electrical heating heat riser of motor vehicle exhaust emission, there is the housing of outsourcing thermal insulation layer, electric heater and automatically controlled
Mechanism, the left and right interface for the tail gas that the housing is welded on by main body and respectively sealing in the two-port of main body form；It is described
Main body ecto-entad is made up of 2~8 gas cylinders successively, and honeycomb filling body is fixed with each gas cylinder；The gas cylinder of outermost
It is made up of the electric heater sleeve of outer barrel and outermost, most interior gas cylinder is made up of most interior electric heater sleeve, and middle leads
Inflator is respectively made up of corresponding two adjacent electric heater sleeves, the left and right interface difference sealing welding of the tail gas
On the extension mouth at outer barrel both ends；Equal sealed insulation formula is fixed with the electric heating body of regular distribution in each electric heater sleeve, and
There is corresponding power outlet, it is characterised in that：Sealed insulation formula is fixed with the electricity of regular distribution and added in electric heater sleeve
The concrete structure of hot body is that electric heating body is in flexible snakelike, and insulation ceramic ring, institute's electricity consumption are set with each electric heating body
Calandria even distribution type be mounted in electric heater sleeve and it is uniform it is parallel be welded on power outlet, each electric heater set
Insulation is packaged with the inner chamber of cylinder by left and right shrouding and the magnesium powder of heat conduction, the power outlet of each electric heater sleeve to distinguish
After the extraction of right shrouding it is parallel with one another together, and external power supply is introduced by power interface on the right interface of tail gas through bus；
The temperature controller of auto-open-close electric heating body is also equipped with the right interface of tail gas.
Beneficial effect：
For the electrical heating heat riser of motor vehicle exhaust emission, using the electric heater tube-in-tube structure of multilayer loop cylinder uniform distribution type
And honeycomb filler build heat conduction structure, it is easy to improve electrically heated general power, beneficial to uniform heating, beneficial to diminution electrical heating
The volume of heat riser；Greatly can uniformly improve the programming rate to low temperature exhaust gas, therefore, with catalytic converter match somebody with somebody
After set installation, particularly to cold start-up, it is very beneficial for emission reduction, can greatly improves catalyzed conversion effect, reduces vehicle exhaust
Pollution；Occupy little space, easy fabrication and installation, service life length, be easy to catalytic converter supporting install and use.
Fig. 1, general structure axially cut open figure；
Fig. 2, by the A-A shown in Fig. 1 cut open figure；
Fig. 3, electric heater sleeve 6 arc local expansion electric heating body 7 are fixedly mounted with figure；
Fig. 4, electric heating body 7 overall package figure；
Fig. 5, honeycomb filling body 19 three-dimensional view；
Fig. 6, by shown in Fig. 1 amplification I scheme.
Embodiment
With reference to the further elaborate of accompanying drawing；Arrow is shown as exhaust gas flow direction in figure.
As shown in figs. 1 to 6, the electrical heating heat riser for motor vehicle exhaust emission, the housing with outsourcing thermal insulation layer 20,
Electric heater and electrical control mechanism；The housing is welded on the tail gas in the two-port of main body 1 by main body 1 and respectively sealing
Left and right interface 2,3 forms；The ecto-entad of main body 1 is made up of 2~8 gas cylinders 4 successively, is fixed with each gas cylinder 4
Honeycomb filling body 19；The gas cylinder 4 of outermost is made up of the electric heater sleeve 6 of outer barrel 5 and outermost, and most interior gas cylinder 4 is by most
Interior electric heater sleeve 6 is formed, and middle gas cylinder 4 is respectively made up of corresponding two adjacent electric heater sleeves 6, institute
Stating the left and right interface 2,3 of tail gas, sealing is welded on the extension mouth at the both ends of outer barrel 5 respectively；It is close in each electric heater sleeve 6
Envelope insulation is fixed with the electric heating body 7 of regular distribution, and has corresponding power outlet 12.
As shown in figures 1-4, the electrical heating heat riser for motor vehicle exhaust emission, it is characterised in that：Electric heater
The concrete structure that sealed insulation formula is fixed with the electric heating body 7 of regular distribution in sleeve 6 is that electric heating body 7 is in flexible
It is snakelike, insulation ceramic ring 8 is set with each electric heating body 7, the even distribution type of electric heating body 7 used is mounted in electric heater sleeve 6, simultaneously
And it is uniform it is parallel be welded on power outlet 12, pass through left and right shrouding 9,10 in the inner chamber of each electric heater sleeve 6 and encapsulate
Have an insulation and the magnesium powder 11 of heat conduction, the power outlet 12 of each electric heater sleeve 6 respectively after the extraction of right shrouding 10 mutually simultaneously
It is linked togather, and external power supply is introduced by the power interface 14 on the right interface 3 of tail gas through bus 13；In the right interface 3 of tail gas
It is also equipped with the temperature controller 15 of auto-open-close electric heating body 7；When the exhaust temperature of discharge is less than 200 DEG C, or during higher than 530 DEG C, temperature
Control device 15 is distinguished turn on automatically power initiation electric heating body 7 and heated, or auto power off stops electric heating body 7 and heated, used
The general power of electric heating body 7 should be adapted to the capacity of automobile or engine, and the effect to tail gas heating is improved with profit；Main body 1
It is made with integral braze-welded technique, before integral braze-welded, in advance by each left sealing welding of shrouding 9 in corresponding electric heater sleeve
In 6 left port, filled after main body 1 is integral braze-welded, then by electric heating body 7, the appropriate section of power outlet 12 and magnesium powder 11
In the inner chamber for entering electric heater sleeve 6, finally by each right sealing welding of shrouding 10 corresponding electric heater sleeve 6 right output port
On, and sealed insulation formula draws power outlet 12.
As shown in figure 5, the structure of honeycomb filling body 19 is, honeycomb filling body 19 is using thickness as the stainless of 0.03~0.12mm
Steel plate is process, and is axially inserted into the type of annulus cylinder 18 in the inner chamber of gas cylinder 4, and be welded to each other together；Annulus cylinder 18 by
Corrugated plating 16 is laid in roll together on flat board 17 and formed；The wave height h1 of corrugated plating 16, wavelength and the winding number of plies must assure that：
(1) back pressure can not be caused to exhaust emissions, (2) have corresponding enough pyroconductivities；Annulus cylinder 18 inserts the inner chamber of gas cylinder 4
When middle, crest, the trough of corrugated plating 14 can must be contacted on the flat board 17 wound, the cylindrical layer flat board 17 of annulus cylinder 18
The lateral wall of the inner chamber of gas cylinder 4 must be close to, the inner circle layer of annulus cylinder 18 --- the crest of corrugated plating 16 must be close to
The inboard wall of the inner chamber of gas cylinder 4, without inboard wall, corresponding annulus cylinder 18 is cylindrical type for the inner chamber of most interior gas cylinder 4, so as to
The 19 reliable soldering of honeycomb filling body is in the inner chamber of the gas cylinder 4；The axial length L of annulus cylinder 18 should ensure that it is axially inserted into
When in the inner chamber of gas cylinder 4, the both ends of annulus cylinder 18 should be located within the left and right two-port face of electric heater sleeve 6.
As shown in fig. 6, the structure of thermal insulation layer 20 is the sandwich construction of outsourcing protective layer 21, the sealing welding of protective layer 21 is outside
On cylinder 5, thermal insulation layer 20 is followed successively by inside-out, layers of insulating fabric or heat-insulated enamelled coating and aluminium foil layer arranged for interval, should ensure that heat-insulated
The outermost layer of layer 20 is aluminium foil layer, and it should retain the separation delta L, Δ L=n-p, n 15- of abundance between protective layer 21
35mm, p 8-20mm.
The left and right interface 2,3 of tail gas is respectively the import and export of vehicle exhaust.
Manufacture craft is as follows with sequence：
1st, in advance by the left sealing welding of shrouding 9 on the left end of corresponding electric heater sleeve 6；
2nd, it is the honeycomb filling body 19 made is in place；
3rd, it is integral braze-welded；
The 4th, electric heating body 7 is installed and encapsulated；
5th, the left and right interface 2,3 of tail gas is welded, temperature controller 15 is installed, connects power outlet 12 and bus 13；
6th, thermal insulation layer 20 is done.
Claims (4)
1. for the electrical heating heat riser of motor vehicle exhaust emission, housing, electric heater and automatically controlled machine with outsourcing thermal insulation layer
Structure, the left and right interface for the tail gas that the housing is welded on by main body and respectively sealing in the two-port of main body form；The master
Body ecto-entad is made up of 2~8 gas cylinders successively, and honeycomb filling body is fixed with each gas cylinder；The gas cylinder of outermost by
The electric heater sleeve of outer barrel and outermost is formed, and most interior gas cylinder is made up of most interior electric heater sleeve, middle air guide
Cylinder is respectively made up of corresponding two adjacent electric heater sleeves, and sealing is welded on the left and right interface of the tail gas respectively
On the extension mouth at outer barrel both ends；Equal sealed insulation formula is fixed with the electric heating body of regular distribution in each electric heater sleeve, and
There is corresponding power outlet, it is characterised in that：Sealed insulation formula is fixed with the electrical heating of regular distribution in electric heater sleeve
The concrete structure of body is that electric heating body is in flexible snakelike, insulation ceramic ring is set with each electric heating body, institute's electricity consumption adds
Hot body even distribution type be mounted in electric heater sleeve and it is uniform it is parallel be welded on power outlet, each electric heater sleeve
Inner chamber in insulation be packaged with by left and right shrouding passed through respectively and the magnesium powder of heat conduction, the power outlet of each electric heater sleeve
Right shrouding after drawing it is parallel with one another together, and pass through through bus the power interface on the right interface of tail gas and introduce external power supply；
The temperature controller of auto-open-close electric heating body is also equipped with the right interface of tail gas.
2. the electrical heating heat riser according to claim 1 for motor vehicle exhaust emission, it is characterised in that：Honeycomb filler
The structure of body (19) is that stainless steel plate of the honeycomb filling body (19) using thickness as 0.03~0.12mm is process, with annulus cylinder
(18) type is axially inserted into the inner chamber of gas cylinder (4), and is welded to each other together；Annulus cylinder (18) is laid in by corrugated plating (16)
Roll and form together on flat board (17)；When in the inner chamber of annulus cylinder (18) insertion gas cylinder (4), crest, the ripple of corrugated plating (16)
Paddy be able to must be contacted on the flat board (17) wound, and the cylindrical layer flat board (17) of annulus cylinder (18) must be close to gas cylinder
(4) lateral wall of inner chamber, the inner circle layer of annulus cylinder (18) --- the crest of corrugated plating (16) must be close to gas cylinder (4)
The inboard wall of inner chamber, the inner chamber of most interior gas cylinder (4) is without inboard wall, and corresponding annulus cylinder (18) is cylindrical type, so as to honeycomb
The reliable soldering of filling body (19) is in the inner chamber of the gas cylinder (4)；The axial length L of annulus cylinder (18) should ensure that it is axially inserted
When entering in the inner chamber of gas cylinder (4), the both ends of annulus cylinder (18) should be located at electric heater sleeve (6) left and right two-port face it
It is interior.
3. the electrical heating heat riser according to claim 1 for motor vehicle exhaust emission, it is characterised in that：Thermal insulation layer
(20) structure is the sandwich construction of outsourcing protective layer (21), and protective layer (21) sealing welding is on outer barrel (5), thermal insulation layer (20)
It is followed successively by inside-out, layers of insulating fabric or heat-insulated enamelled coating and aluminium foil layer arranged for interval, should ensure that the outermost layer of thermal insulation layer (20)
For aluminium foil layer, and it should retain the spacing of abundance between protective layer (21).
4. the electrical heating heat riser according to claim 2 for motor vehicle exhaust emission, it is characterised in that：Thermal insulation layer
(20) structure is the sandwich construction of outsourcing protective layer (21), and protective layer (21) sealing welding is on outer barrel (5), thermal insulation layer (20)
It is followed successively by inside-out, layers of insulating fabric or heat-insulated enamelled coating and aluminium foil layer arranged for interval, should ensure that the outermost layer of thermal insulation layer (20)
For aluminium foil layer, and it should retain the spacing of abundance between protective layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311717.2A CN104912633B (en) | 2015-06-09 | 2015-06-09 | Electrical heating heat riser for motor vehicle exhaust emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311717.2A CN104912633B (en) | 2015-06-09 | 2015-06-09 | Electrical heating heat riser for motor vehicle exhaust emission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104912633A CN104912633A (en) | 2015-09-16 |
| CN104912633B true CN104912633B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311717.2A Active CN104912633B (en) | 2015-06-09 | 2015-06-09 | Electrical heating heat riser for motor vehicle exhaust emission |
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| Country | Link |
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| CN (1) | CN104912633B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388407A (en) * | 1994-07-05 | 1995-02-14 | Ford Motor Company | Exhaust manifold catalyst and muffler for automotive engine |
| CN1117557A (en) * | 1994-05-30 | 1996-02-28 | 新日本制铁株式会社 | An electrically heated catalytic converter for an engine |
| CN102191978A (en) * | 2010-03-09 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Thermal management exhaust treatment device and method of manufacture |
| CN204900030U (en) * | 2015-06-09 | 2015-12-23 | 高志男 | A electrical heating rising temperature device for automobile exhaust discharges |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000053904A1 (en) * | 1999-03-09 | 2000-09-14 | Abb Lummus Global, Inc. | Exhaust gas catalytic converter |
| JP2005052797A (en) * | 2003-08-07 | 2005-03-03 | Calsonic Kansei Corp | Electrically heating catalyst carrier |
-
2015
- 2015-06-09 CN CN201510311717.2A patent/CN104912633B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117557A (en) * | 1994-05-30 | 1996-02-28 | 新日本制铁株式会社 | An electrically heated catalytic converter for an engine |
| US5388407A (en) * | 1994-07-05 | 1995-02-14 | Ford Motor Company | Exhaust manifold catalyst and muffler for automotive engine |
| CN102191978A (en) * | 2010-03-09 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Thermal management exhaust treatment device and method of manufacture |
| CN204900030U (en) * | 2015-06-09 | 2015-12-23 | 高志男 | A electrical heating rising temperature device for automobile exhaust discharges |
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| Publication number | Publication date |
|---|---|
| CN104912633A (en) | 2015-09-16 |
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Effective date of registration: 20210630 Address after: 102627 area a, 3rd floor, building 2, Xiandao building, 36 Jinyuan Road, Daxing Industrial Development Zone, Daxing District, Beijing Patentee after: Beijing Gaoxin Weiye Technology Co.,Ltd. Address before: 102600 Beijing Jinyuan Industrial Development Zone Daxing District Road No. 36 Patentee before: Gao Zhinan |