CN203370669U - Ceramic carrier catalyst automatic vacuum coating machine for purifying motor vehicle tail gas - Google Patents
Ceramic carrier catalyst automatic vacuum coating machine for purifying motor vehicle tail gas Download PDFInfo
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- CN203370669U CN203370669U CN201320375658.1U CN201320375658U CN203370669U CN 203370669 U CN203370669 U CN 203370669U CN 201320375658 U CN201320375658 U CN 201320375658U CN 203370669 U CN203370669 U CN 203370669U
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- coating machine
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- 239000003054 catalyst Substances 0.000 title claims abstract description 20
- 238000001771 vacuum deposition Methods 0.000 title claims abstract description 11
- 239000000919 ceramic Substances 0.000 title abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 239000004589 rubber sealant Substances 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 4
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 238000007581 slurry coating method Methods 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 10
- 239000000306 component Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 238000011068 loading method Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- -1 salt compounds Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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- Catalysts (AREA)
Abstract
The utility model discloses a ceramic carrier catalyst automatic vacuum coating machine for purifying motor vehicle tail gas. The ceramic carrier catalyst automatic vacuum coating machine comprises an air cylinder, wherein a fixing column penetrates through a baffle of the air cylinder, the top of a rubber sealing layer is communicated with a vacuum container through a pipeline, the side face of the lower portion of the rubber sealing layer is communicated with a buffer container through a pipeline, the buffer container is communicated with a slurry tank through a pipeline, a discharging cavity is communicated with a vacuum chamber through a pipeline with a first ball valve, the vacuum chamber is communicated with the pipeline, and the vacuum chamber is communicated with the lower portion of the vacuum container through the pipeline. According to the structure, the automatic vacuum coating machine is suitable for industrialization and large-scale production of honeycomb ceramic carrier catalysts, feeding and discharging are carried out in a vacuum (negative pressure) mode, and the improvement of the catalyst active slurry coating effect is achieved.
Description
Technical field
The utility model belongs to and relates to a kind of of tail gas cleaner for motor-driven vehicle use ceramic-substrate catalyst Preparation equipment, is specially the automatic vacuum coating machine of ceramic-substrate catalyst.
Background technology
At present, along with promulgation and the execution of China Air Pollution Prevention Law rule, to become increasingly stringent and urgently of prevention and control and the improvement of air pollution source.Automotive emission is as one of main source of air environmental pollution, and the purified treatment of its tail gas receives much concern.Following the strictest domestic automotive emission to control rules will carry out in formal enforcement of in July, 2013, and the tail gas clean-up industry has been proposed to more urgent and strict requirement.
The cellular structure ceramic carrier catalyst, as the core component of motor-vehicle tail-gas purifying device, is being born the key effect of whole catalytic purification reaction, and its preparation technology and preparation means are directly connected to the purification efficiency of whole purifier.The preparation of ceramic-substrate catalyst generally need to be carried out at carrier surface the coating of catalytic activity slurry.The catalytic activity slurry is the γ-alundum (Al2O3) by high-specific surface area mostly, rare earth oxide (cerium oxide, zirconia), transition metal oxide, the salt compounds of precious metal palladium, platinum, rhodium, and the mixed slurry that forms through grinding of binding agent and water.Coating mostly is layering or the subregion section applies, and the mode of coating is divided into the hand-dipped coating and machine automatization applies.
Hand-dipped applies and to refer to and manual ceramic monolith is immersed in the middle of active slurry, upon adsorption saturated after, purge and remove unnecessary slurry with compressed air, afterwards through drying, the operations such as roasting are made the catalyst semi-finished product, then, according to the formula Design needs, the secondary stratification that carries out active slurry applies.This kind of coating method is simple to operate, equipment requirement is low, but the load capacity of catalyst is controlled uneven, the production uniformity is poor, active coating slurry skewness in honeycomb ceramic carrier unit duct, after causing roasting, the active coating powder stops up the honeycomb duct or easily comes off, and directly badly influences the catalytic purification efficiency of product.
Machine automatization applies and is generally the coating of malleation material loading.With respect to the manual application mode, the malleation material loading has realized that the automation continuity applies operation, but the problems such as due to the wetting root problem with adhering to of slurry in unresolved coating procedure and carrier micropore surface, the product that causes applying still exists plug-hole to a certain extent, come off.Need to develop a kind of automation coating method of new model for this reason, realize more efficiently applying of catalytic activity slurry, with the lifting of promotion product catalytic performance and the reduction of production cost.
Summary of the invention
The purpose of this utility model provides ceramic-substrate catalyst automatic vacuum coating machine for a kind of motor vehicle tail-gas purifying, comprise cylinder, through the cylinder baffle plate is fixed leg, the top of rubber sealant is conducted with vacuum tank by pipeline, the lower side of rubber sealant is conducted with buffer container by pipeline, buffer container is conducted with slurry tank by pipeline, the blowing chamber is conducted with vacuum chamber by the pipeline with the first ball valve, vacuum chamber is conducted with pipeline, and by pipeline, the bottom with vacuum tank is communicated with vacuum chamber.Such structure is applicable to the automated coating apparatus of industrialization, large-scale production honeycomb ceramic carrier catalyst, by vacuum (negative pressure) mode material loading and blanking, realizes the catalyst activity slurry is applied the raising of effect.
In order to overcome deficiency of the prior art, the utility model provides the solution of a kind of motor vehicle tail-gas purifying with ceramic-substrate catalyst automatic vacuum coating machine, specific as follows:
Ceramic-substrate catalyst automatic vacuum coating machine for a kind of motor vehicle tail-gas purifying, comprise cylinder 1, cylinder 1 top is communicated with cylinder tracheae 2, cylinder 1 bottom is connected with cylinder baffle plate 3, through cylinder baffle plate 3 is fixed leg 4, fixed leg 4 bottoms are connected with connecting plate 5, connecting plate 5 belows are connected with the inner rubber sealant 9 with carrier 10, the top of rubber sealant 9 is conducted with vacuum tank 19 by the pipeline with exhaust outlet 6 and the first pneumatic operated valve 7, the lower side of rubber sealant 9 is conducted with buffer container 16 by pipeline, and the lower side of rubber sealant 9 also is connected with the flashboard 11 with aerodynamic force valve 8, buffer container 16 is conducted with slurry tank 18 by the pipeline with constant displacement pump 17, the bottom of rubber sealant 9 is conducted with blowing chamber 12, blowing chamber 12 is conducted with vacuum chamber 15 by the pipeline with the first ball valve 13, vacuum chamber 15 is conducted with the pipeline with drain hole 14 and the second ball valve 13, by the pipeline with the second pneumatic operated valve 14, the bottom with vacuum tank 19 is communicated with vacuum chamber 15.
Application the utility model such scheme also has following advantage:
1, ceramic monolith negative pressure ventilation, get rid of the gas that adsorb on micro-surface, carrier body cavity duct, more is conducive to apply the wetting and adhesion between the micro-surface of slurry and duct;
2, carry out negative pressure ventilation at upper die component, make sustainable bleeding in fill process, maintain certain vacuum in upper cavity, switch to breather valve after vacuum feed completes, the head of being convenient to unnecessary slurry walks nature and banishes removal simultaneously.
3, between the charging aperture of lower membrane module and natural blowing chamber with the isolation of precise pneumatic cutter valve seal, can effectively avoid in carrier negative pressure ventilation process the UNICOM with the blowing chamber, cause the suck-back slurry; In the time of can avoiding charging aperture to inject slurry, slurry falls into nature blowing chamber, causes waste; Can reduce the volume of the system of bleeding, shorten and bleed the time, increase work efficiency simultaneously.
4, adhere to one deck elasticity rubber at the slope of upper die component and lower membrane module inwall, thereby realize the sealing between edge, carrier upper and lower end face and membrane module, and the carrier end face edge is played to soft protective effect.
5, upper and lower membrane module docking part is taked " step " Seal Design, and upper and lower craft port place is elastic packing adhesive tape in addition respectively, to ensure sealing.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model content is described further:
Shown in Fig. 1, ceramic-substrate catalyst automatic vacuum coating machine for motor vehicle tail-gas purifying, comprise cylinder 1, cylinder 1 top is communicated with cylinder tracheae 2, cylinder 1 bottom is connected with cylinder baffle plate 3, through cylinder baffle plate 3 is fixed leg 4, fixed leg 4 bottoms are connected with connecting plate 5, connecting plate 5 belows are connected with the inner rubber sealant 9 with carrier 10, the top of rubber sealant 9 is conducted with vacuum tank 19 by the pipeline with exhaust outlet 6 and the first pneumatic operated valve 7, the lower side of rubber sealant 9 is conducted with buffer container 16 by pipeline, and the lower side of rubber sealant 9 also is connected with the flashboard 11 with aerodynamic force valve 8, buffer container 16 is conducted with slurry tank 18 by the pipeline with constant displacement pump 17, the bottom of rubber sealant 9 is conducted with blowing chamber 12, blowing chamber 12 is conducted with vacuum chamber 15 by the pipeline with the first ball valve 13, vacuum chamber 15 is conducted with the pipeline with drain hole 14 and the second ball valve 13, by the pipeline with the second pneumatic operated valve 14, the bottom with vacuum tank 19 is communicated with vacuum chamber 15.
Preparation method of the present utility model needs to adjust vacuum and quantitative feeding parameter according to design, can realize the coating of different carriers volume, after an end coats, by mechanical arm, by carrier 18 0 degree rotation, is inverted in the operation position of second slurry; Repeat top step, realize that the subregion of the second slurry applies, can better realize accurately distributing with economic of catalyst activity material, effectively improve the selective catalysis effect of product, reduce the central noble metal use amount of product, and the improving product transformation efficiency, concrete principle is implemented as follows:
1, each valves such as breather valve, inlet valve, cutter valve, extraction valve, baiting valve are placed in to closed condition;
2, PLC controls Pneumatic connecting rod, lifts upper die component, puts into ceramic monolith to be coated, puts down upper die component;
3, open the extraction valve that upper die component is communicated with, extraction valve is communicated with total vacuum tank, to the step-down of ceramic monolith chamber pumping, treats that vacuum meter reaches setting vacuum, closes the vacuum valve of bleeding;
4, open the metering feeding pump, to the carrier chamber charging, inlet amount is set according to the material loading amount of weight, water absorption rate character and the control of carrier.
In fill process, the vacuum of carrier chamber can constantly reduce, and when reaching lower than setting value, extraction valve is opened automatically, continues as carrier chamber and carries out step-down, until charging completes, closes extraction valve and inlet valve;
5, after slurry impregnated carrier certain hour, open breather valve and the pneumatic knife valve of upper die component, the unnecessary slurry in carrier chamber is naturally put and removed;
6, close the pneumatic knife valve, open the ball valve in blowing chamber, slurry is put into to vacuum suction material tank;
7, closing ball valve, open the evacuating valve of vacuum suction material tank, is the material-suction pot step-down, reaches after setting the vacuum value and closes extraction valve;
8, lift upper die component, open the ball valve in blowing chamber, by pull of vacuum, remove slurry unnecessary in carrier chamber, coating completes.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, according to technical spirit of the present utility model, within spirit of the present utility model and principle, the any simple modification that above embodiment is done, be equal to replacement and improvement etc., within all still belonging to the protection domain of technical solutions of the utility model.
Claims (1)
1. ceramic-substrate catalyst automatic vacuum coating machine for a motor vehicle tail-gas purifying, it is characterized in that comprising cylinder (1), cylinder (1) top is communicated with cylinder tracheae (2), cylinder (1) bottom is connected with cylinder baffle plate (3), through cylinder baffle plate (3) is fixed leg (4), fixed leg (4) bottom is connected with connecting plate (5), connecting plate (5) below is connected with the inner rubber sealant (9) with carrier (10), the top of rubber sealant (9) comes same vacuum tank (19) to be conducted by the pipeline with exhaust outlet (6) and the first pneumatic operated valve (7), the lower side of rubber sealant (9) is conducted by the same buffer container of pipeline (16), and the lower side of rubber sealant (9) also is connected with the flashboard (11) with aerodynamic force valve (8), buffer container (16) is conducted by the same slurry tank of pipeline (18) with constant displacement pump (17), the bottom of rubber sealant (9) is conducted with blowing chamber (12), blowing chamber (12) is conducted by the same vacuum chamber of pipeline (15) with the first ball valve (13), vacuum chamber (15) is conducted with the pipeline with drain hole (14) and the second ball valve (13), vacuum chamber (15) is communicated with by the bottom of the same vacuum tank of pipeline (19) with the second pneumatic operated valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375658.1U CN203370669U (en) | 2013-06-28 | 2013-06-28 | Ceramic carrier catalyst automatic vacuum coating machine for purifying motor vehicle tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375658.1U CN203370669U (en) | 2013-06-28 | 2013-06-28 | Ceramic carrier catalyst automatic vacuum coating machine for purifying motor vehicle tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203370669U true CN203370669U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320375658.1U Expired - Fee Related CN203370669U (en) | 2013-06-28 | 2013-06-28 | Ceramic carrier catalyst automatic vacuum coating machine for purifying motor vehicle tail gas |
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| Country | Link |
|---|---|
| CN (1) | CN203370669U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841612A (en) * | 2015-05-19 | 2015-08-19 | 宁波德普福斯特环保科技有限公司 | Process device for coating denitration catalyst slurry |
| CN107159523A (en) * | 2017-07-12 | 2017-09-15 | 东莞诺维新材料科技有限公司 | A kind of miniature coating machine of honeycomb ceramic carrier catalyst and its application method |
| CN107530730A (en) * | 2015-04-21 | 2018-01-02 | 优美科股份公司及两合公司 | For the method, apparatus and equipment of the inner surface for coating base material |
| CN108580190A (en) * | 2018-05-30 | 2018-09-28 | 江苏控真空注胶技术有限公司 | A kind of vacuum injecting glue case |
-
2013
- 2013-06-28 CN CN201320375658.1U patent/CN203370669U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530730A (en) * | 2015-04-21 | 2018-01-02 | 优美科股份公司及两合公司 | For the method, apparatus and equipment of the inner surface for coating base material |
| CN107530730B (en) * | 2015-04-21 | 2021-07-30 | 优美科股份公司及两合公司 | Method, apparatus and apparatus for coating an interior surface of a substrate |
| CN104841612A (en) * | 2015-05-19 | 2015-08-19 | 宁波德普福斯特环保科技有限公司 | Process device for coating denitration catalyst slurry |
| CN104841612B (en) * | 2015-05-19 | 2017-05-10 | 宁波德普福斯特环保科技有限公司 | Process device for coating denitration catalyst slurry |
| CN107159523A (en) * | 2017-07-12 | 2017-09-15 | 东莞诺维新材料科技有限公司 | A kind of miniature coating machine of honeycomb ceramic carrier catalyst and its application method |
| CN108580190A (en) * | 2018-05-30 | 2018-09-28 | 江苏控真空注胶技术有限公司 | A kind of vacuum injecting glue case |
| CN108580190B (en) * | 2018-05-30 | 2023-08-01 | 江苏一控真空注胶技术有限公司 | Vacuum glue injection box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |