CN209393476U - A kind of tai-gas clean-up catalyst coating unit - Google Patents
A kind of tai-gas clean-up catalyst coating unit Download PDFInfo
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- CN209393476U CN209393476U CN201821136900.9U CN201821136900U CN209393476U CN 209393476 U CN209393476 U CN 209393476U CN 201821136900 U CN201821136900 U CN 201821136900U CN 209393476 U CN209393476 U CN 209393476U
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Abstract
The utility model provides a kind of tai-gas clean-up catalyst coating unit, it is characterized in that, including slurries filtration equipment, the slurries filtration equipment is disposed with the first connector, the filter core that inner barrel is arranged in, the second connector along pulp flow direction, the first connector connection agitating device connection, is also connected with the diaphragm pump by mashing pump to slurries filtration equipment between the stirring system and slurries filtration equipment.The tai-gas clean-up catalyst coating unit includes slurries filtration equipment, into application system slurry without particle and impurity, improve the homogeneity of slurry and without plug-hole phenomenon, the tai-gas clean-up catalyst coating method uses secondary cladding process, carrying capacity is controllable in the coating weight in wet base, coating weight gain consistency is good, and then improves production efficiency, ensure that the consistency of product.
Description
Technical field
The utility model relates to a kind of field of exhaust gas purification, and in particular to a kind of tai-gas clean-up catalyst coating unit.
Background technique
Ecological environment portion issues " Chinese automotive environment manage annual report 2018 " display recently, China continuous nine Nian Chengwei
The first big country of motor vehicle production and marketing, the world, it is to cause surrounding air that automobile pollution, which has become the important sources of China's air pollution,
The urgency of the major reason of pollution, Motor Vehicle Pollution Prevention is increasingly prominent.Automotive emission control it is main it is organic in and
It is controlled outside machine.Control reaches reduction pollutant mainly by controlling the transformation of engine the combustion process of fuel in machine
The purpose of generation.Emission controls by improving combustion is mainly the following measure: improving feed system, improves burning and ignition system, fuel spray
Penetrate lean burn and exhaust gas recycling etc..And external purification is using physico-chemical process to the noxious emission generated
The post-processing technology purified, and catalysis technique is the main means of external purification, principle is to utilize exhaust own temperature,
In clarifier under the action of catalyst, pollutant CO, HC, NOx and PM in tail gas is made to be converted into harmless CO2、N2With
H2O。
In the prior art, exhaust purifier includes carrier and active component, and carrier is divided into carrier cordierite ceramic, metal carries
The slurry of active component is coated on carrier by body etc., and clarifier is made after drying, roasting.In process of production, to slurry
The requirement of material is very high, it is desirable that slurry is uniform, stablizes, coating uniform after coating, and carrying capacity is controllable in weight in wet base, and existing without plug-hole
As.But during practical coating, slurry is in stirring and pipe conveying procedure, agitator tank edge, diaphragm pump and delivery pipe etc.
Wall easy to stick in pilot process, then wall spreading mass sheds into slurry after drying out, and generates pulp particle, coating equipment is caused to be inhaled
There is pulp particle in slurry basin.Easily there is particle plug-hole and the uncontrollable problem of coating weight in wet base after carrier coating, production is caused to be imitated
Rate decline, homogeneity of product not can guarantee.
Utility model content
To solve the above problems, the utility model provides a kind of tai-gas clean-up catalyst coating unit, it can guarantee that carrier applies
The homogeneity of catalyst is covered and without plug-hole phenomenon, so that the filtering tail gas effect of carrier is more preferable.
The technical solution that the utility model solves the problems, such as is to provide a kind of tai-gas clean-up catalyst coating unit, and being used for will
Slurry is coated to tail gas clean-up carrier surface, including slurries filtration equipment, the slurries filtration equipment along pulp flow direction according to
It is secondary to be provided with the first connector, the filter core that inner barrel is set, the second connector, the first connector connection stirring system
System, second connector are connected to application system, and the application system includes coating machine, slurry basin, extra to remove coating
The purging machine of slurry, the dryer to fix slurry to carrier.
Preferably, it is also connected with mashing pump to slurries filtration equipment between the stirring system and slurries filtration equipment
Diaphragm pump.
Preferably, the filter core is connect by retaining ring with cylinder inboard wall.
Preferably, the aperture of the filter opening of the filter core is 1~20 μm.
Preferably, the slurry basin includes a pasting feed basin and two pasting feed basins to complete secondary starching.
Preferably, the dryer includes drying oven, the shoe to transmit coating slurry substrate in institute's drying oven
Band and the cooling device cooling to the coating slurry substrate.
Preferably, the stirring system includes agitator, stirring rod, mortar machine, feed inlet and discharge port, the discharge port
It is connected to the diaphragm pump.
Preferably, the filter core is mounted at inner barrel to clean.
The tai-gas clean-up catalyst coating unit of the utility model includes slurries filtration equipment, into application system
Slurry improves the homogeneity of slurry and without plug-hole phenomenon without particle and impurity, and the tai-gas clean-up catalyst coating method is adopted
With secondary cladding process, carrying capacity is controllable in the coating weight in wet base, and the coating consistency that increases weight is good, and then improves production efficiency, guarantees
The consistency of product.
Detailed description of the invention
Fig. 1 is tai-gas clean-up catalyst coating unit structural schematic diagram.
Fig. 2 is application system structural schematic diagram.
Fig. 3 is stir system design schematic diagram.
In figure: 4, slurries filtration equipment, the 41, first connector, 42, cylinder, 44, filter core, the 45, second connector, 1, stir
Mix system, the 45, second connector, 5, application system, 2, diaphragm pump, 43, retaining ring, 42, cylinder, 51, coating machine, 52, slurry basin,
53, purging machine, 54, dryer, 521, one pasting feed basin, 522, two pasting feed basins, 541, drying oven, 542, crawler belt, 543, cold
But device, 11, agitator, 13, stirring rod, 14, mortar machine, 12, feed inlet, 15, discharge port.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, but those skilled in the art this explanation
Content disclosed by book understands other advantages and effect of the utility model easily.The utility model can also be by addition not
Same specific embodiment is embodied or practiced, and the various details in this specification can also be based on different viewpoints and application,
Various modifications or alterations are carried out under the spirit without departing from the utility model.
The embodiments of the present invention is further described below with reference to embodiment.
The utility model preferred embodiment tai-gas clean-up catalyst coating unit, including slurries filtration equipment 4, the slurry
Filter plant is disposed with the first connector 41 along pulp flow direction, the filter core being arranged in inside cylinder 42 44, second connects
Interface 45, first connector 41 are connected to stirring system 1, and second connector 45 is connected to application system 5, the coating system
System coats the purging machine 53 of additional size, to fixed slurry to the carrier including coating machine 51, slurry basin 52, to remove
Dryer 54, the quick processing to slurry improves coating efficiency, also saves the use of slurry, described device is in tradition
Tai-gas clean-up catalyst application system on the basis of installed slurries filtration equipment additional so that slurry size tunable, and can filter
Impurity occurs without particle and impurity in slurry, improves the homogeneity of slurry, and without particle plug-hole after ceramic monolith coating.
Simultaneously as slurry band toughness, is difficult that slurry is driven to transport from stirring system to slurries filtration by gravity
Equipment, transport to application system more can not, therefore be also connected between the stirring system 1 and slurries filtration equipment 4 by
Mashing pump to slurries filtration equipment diaphragm pump 2.
The filter core 44 is connect by retaining ring 43 with 42 inner wall of cylinder, the cylinder, retaining ring, filter core use be seamlessly connected with
Just all slurries fed from the first connector are filtered, ensure that the homogeneity of slurry, since the tai-gas clean-up catalyst applies
It covers and covers 2 coating steps in step, therefore the aperture of the filter opening of the filter core 44 is 1~20 μm, to meet different slurries
Expect the filtering of partial size.
Due to slurry band toughness, common water rinses the cleaning for being unable to satisfy filter core, to avoid filter core after slurry solidification
There is plug-hole phenomenon, the filter core 44 is mounted inside cylinder 42 to clean, and further, extends filter core
Service life.
Wherein, the stirring system 1 includes agitator 11, stirring rod 13, mortar machine 14, feed inlet 12 and discharge port 15,
The discharge port 15 is connected to the diaphragm pump 2, and the stirring rate of the stirring rod is 10~100 Hz, and specific component is set
It is equipped with stirring, grinding and the input and output material conducive to slurry, pipeline connection between each component ensure that the smooth outflow of slurry.
The dryer includes drying oven 541, the crawler belt to transmit coating slurry substrate in institute's drying oven
542 and the cooling device 543 cooling to the coating slurry substrate, pipeline processes have been coated with carrier, use during the drying process
Crawler belt transport improves working efficiency, and cooling is capable of fixing slurry on carrier rapidly.
In order to guarantee the careful degree of slurry coating, the slurry basin includes a pasting feed basin 521 and two pasting feed basins 522
To complete secondary starching.
The tai-gas clean-up catalyst coating method of the utility model preferred embodiment, is applied using above-mentioned tai-gas clean-up catalyst
The specific steps covered:
1. stirring one applies slurry, slurry is applied by described one and is added in the agitator 11,2h, stirring rate 20 are continuously stirred
Then ~ 50 Hz grind described one with mortar machine 14 and apply 30 min of slurry, the painting slurry includes that deionized water, rare earth are compound
Oxide, modified aluminas, adhesive, the heavy metal stirring h of 8 h ~ 10 are configured and are obtained, and configured one applies slurry particle size
It is 5~20 μm；
2. the diaphragm pump 2 between stirring system 1 and slurries filtration equipment 4 is opened, filtering one applies slurry, a pasting
Material enters 51 1 pasting feed basin 521 of coating machine after being pumped into slurries filtration equipment 4 by diaphragm pump 2, and 2 air pressure of diaphragm pump at this time is
0.05~0.95 Mpa, so that filtered painting slurry is maintained at 5~20 μm and enters application system 5；
3. coating one applies slurry, cordierite honeycomb ceramic carrier is placed in a pasting feed basin using the fixture of application system 5
In 521, after 1~5 s of midge, 1~5s is kept, afterwards turns over 180°, carrier after midge is taken out, into purging machine 53 purge with
It removing and coats an extra painting slurry, and be sent to dryer 54, the ceramic monolith specification is 101.6*123.3mm,
600/3 or 118.4*90mm, 750/2, the purging pressure is 0.2~0.9MPa；
4. molding, the carrier that will have had been coated with a painting slurry is placed on crawler belt 542 and is transmitted to drying oven 541, the shoe
Band operating rate is 10~50 Hz, and 541 temperature of drying oven is 70 DEG C~180 DEG C, and then treated that carrier is put by described
Enter cooling device 543 and carry out air blast rapid cooling, the cooling time is 10 ~ 60 s；
5. stirring two applies slurry, slurry is applied by described two and is added in the agitator 11,2 h, stirring rate are continuously stirred
Then 50 Hz grind described two with mortar machine 14 and apply 30 min of slurry, the two paintings slurry includes that deionized water, rare earth are compound
It is made after oxide, additive, binder, 8 ~ 10 h of heavy metal stirring, configured two paintings slurry particle size is 1~10
μm；
6. filtering two applies slurry, the two painting slurry enters coating machine two after being pumped into slurries filtration equipment 4 by diaphragm pump 2
Pasting feed basin 522；
7. coating two applies slurry, cordierite honeycomb ceramic carrier is placed in two pasting feed basins using the fixture of application system
In 522, after 1~5 s of midge, 1~5s is kept, afterwards turns over 180°, carrier after midge is taken out, into purging machine 53 purge with
It removes and coats two extra painting slurries, and be sent to dryer 54；
8. the carrier for having had been coated with two painting slurries is placed on crawler belt 542 and is transmitted to drying oven 541 by molding, the shoe
Band operating rate is 10~50 Hz, and drying furnace temperature is 70 DEG C~180 DEG C, and then treated that carrier is put by described
Cooling device 543 carries out air blast rapid cooling, and the cooling time is 10 ~ 60 s.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (8)
1. a kind of tai-gas clean-up catalyst coating unit, for coating slurry to tail gas clean-up carrier surface, which is characterized in that
Including slurries filtration equipment (4), the slurries filtration equipment is disposed with the first connector (41) along pulp flow direction, sets
It sets in the internal filter core (44) of cylinder (42), the second connector (45), first connector (41) is connected to stirring system (1),
Second connector (45) is connected to application system (5), the application system include coating machine (51), slurry basin (52), to
Remove the purging machine (53) of coating additional size, to the dryer (54) of fixed slurry to carrier.
2. a kind of tai-gas clean-up catalyst coating unit according to claim 1, which is characterized in that the stirring system
(1) it is also connected with the diaphragm pump (2) of mashing pump to slurries filtration equipment between slurries filtration equipment (4).
3. a kind of tai-gas clean-up catalyst coating unit according to claim 1, which is characterized in that the filter core (44) is logical
Retaining ring (43) is crossed to connect with cylinder (42) inner wall.
4. a kind of tai-gas clean-up catalyst coating unit according to claim 1, which is characterized in that the filter core (44)
The aperture of filter opening is 1~20 μm.
5. a kind of tai-gas clean-up catalyst coating unit according to claim 1, which is characterized in that the slurry basin (52)
Including a pasting feed basin (521) and two pasting feed basins (522) to complete secondary starching.
6. a kind of tai-gas clean-up catalyst coating unit according to claim 5, which is characterized in that the dryer includes
Drying oven (541), the crawler belt (542) to transmit coating slurry substrate in institute's drying oven and to the coating slurry
The cooling cooling device (543) of substrate.
7. a kind of tai-gas clean-up catalyst coating unit according to claim 2, which is characterized in that the stirring system
It (1) include agitator (11), stirring rod (13), mortar machine (14), feed inlet (12) and discharge port (15), the discharge port (15)
It is connected to the diaphragm pump (2).
8. a kind of tai-gas clean-up catalyst coating unit according to claim 1, which is characterized in that the filter core (44) can
Disassembly is installed on cylinder (42) inside to clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136900.9U CN209393476U (en) | 2018-07-18 | 2018-07-18 | A kind of tai-gas clean-up catalyst coating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136900.9U CN209393476U (en) | 2018-07-18 | 2018-07-18 | A kind of tai-gas clean-up catalyst coating unit |
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| Publication Number | Publication Date |
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| CN209393476U true CN209393476U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821136900.9U Active CN209393476U (en) | 2018-07-18 | 2018-07-18 | A kind of tai-gas clean-up catalyst coating unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838036A (en) * | 2018-07-18 | 2018-11-20 | 浙江达峰汽车技术有限公司 | A kind of tai-gas clean-up catalyst coating unit |
-
2018
- 2018-07-18 CN CN201821136900.9U patent/CN209393476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838036A (en) * | 2018-07-18 | 2018-11-20 | 浙江达峰汽车技术有限公司 | A kind of tai-gas clean-up catalyst coating unit |
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