CN107617438A - The process units of the multiphase catalyst of precious metal doping - Google Patents
The process units of the multiphase catalyst of precious metal doping Download PDFInfo
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- CN107617438A CN107617438A CN201711037775.6A CN201711037775A CN107617438A CN 107617438 A CN107617438 A CN 107617438A CN 201711037775 A CN201711037775 A CN 201711037775A CN 107617438 A CN107617438 A CN 107617438A
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- soaking paste
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- tank
- precious metal
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Abstract
The invention provides the process units of the multiphase catalyst of precious metal doping, and it is typically to be coated on cordierite using artificial in the prior art to solve, and causes the problem of coating time is long, efficiency is low, and cost of labor input is larger.The present invention includes more than one raw material and places container, raw material blending device, feeding device, transmission device, drying and calcining device；The feeding device includes the soaking paste tank that top has opening, the liquid level inductor being arranged in soaking paste tank；The discharging opening of the raw material blending device is provided with the first control valve being connected with liquid level inductor；The transmission device includes the transmitting device being moved to from feeding device opening position at drying and calcining setting position, is arranged on and is used for the mounting chain for mounting Second support on transmitting device.The present invention has the advantages that operation is simpler, efficient, and cost is cheaper.
Description
Technical field
The present invention relates to three-way catalyst field, more particularly to the process units of the multiphase catalyst of precious metal doping.
Background technology
In order to eliminate harm of the above-mentioned pollutant to environment and human body, current maximally effective administering method is arranged in engine
Catalytic converter is installed additional in gas system, catalyzed conversion is carried out before discharging to vehicle exhaust, its general principle is to pass through catalyst
Effect, CO, HC, NOX are aoxidized respectively, the carbon dioxide (CO2), nitrogen (N2) and water that are harmful to human health is reduced to and steams
Gas (H2O), it is this if catalyst can play catalytic purification to tri- kinds of nuisances of CO, HC, NOx simultaneously in conversion process
Catalyst is known as three-way catalyst (TWC).
Three-way catalyst is typically using precious metals pt, Rh and Pd as active component, cordierite first vector, γ-Al2O3
For Second support (active coating), γ-Al2O3 are coated on fusing point up on 1350 DEG C of cordierite, and into γ-Al2O3 plus
Entering Ce, La, Ba, Zr etc. and be used as modified additive, they can strengthen the heat endurance of aluminum oxide, reduce the loss of specific surface area, and
The decentralization of noble metal can be improved, prevents accumulation of metal, moreover it is possible to promotes water-gas to convert.Active component is the side by dipping
Method, it is dispersed on the γ-Al2O3 of bigger serface.Refer to the fuel of internal combustion engine in combustion process as Automotive Three Way Catalysts
In, because of many-sided reason, incomplete combustion is caused, its exhaust components has carbon dioxide (CO2), water vapour (H2O), carbon monoxide
(CO), hydrocarbon (HC), oxynitrides (NOX), lead compound, sulphur compound etc..Wherein carbon monoxide (CO), hydrocarbon
Compound (HC), oxynitrides (NOX) are three kinds of main gaseous contaminants for causing environmental pollution.
The preparation method of conventional three-way catalyst is：First configure raw material and auxiliary agent, then by raw material configure with help
Agent is coated on cordierite, and then by drying and calcining, but raw material and auxiliary agent are typically to adopt with postponing in the prior art
Manually coat on cordierite, cause the problem of coating time is long, efficiency is low, and cost of labor input is larger.
The content of the invention
The technical problems to be solved by the invention are：It is typically to be coated on cordierite using artificial in the prior art, leads
The problem of coating time is long, efficiency is low, and cost of labor input is larger is caused, and it is an object of the present invention to provide the noble metal to solve the above problems is mixed
The process units of miscellaneous multiphase catalyst.
The present invention is achieved through the following technical solutions：
The process units of the multiphase catalyst of precious metal doping, including more than one raw material place container, are put with raw material
Put the raw material blending device of the discharging opening connection of container, the feeding device connected with the discharging opening of raw material blending device, for inciting somebody to action
Second support is transported to the transmission device that feeding device opening position carries out feeding, and the Second support after feeding is dried, forged
The drying and calcining device of burning；
The feeding device includes the soaking paste tank that top has opening, the liquid level inductor being arranged in soaking paste tank；It is described
The discharging opening of raw material blending device is provided with the first control valve being connected with liquid level inductor；
The transmission device includes the transmitting device being moved to from feeding device opening position at drying and calcining setting position, if
Put and be used for the mounting chain for mounting Second support on transmitting device；
The transmitting device is by two rotary shafts, the transmission belt being enclosed in two rotary shafts, and driving rotary shaft rotates
And then the motor of transmission Tape movement is driven to form；One end end of the mounting chain is fixed in transmission belt；And transmit
Band is located at the surface of feeding device.
By the setting of said structure, the purpose of auto feed is realized, while also changes the mode of coating.In the present invention
Viscosity is reduced, is then sent to after being submerged in soaking paste tank and takes out from opening directly by Second support, filled by drying and calcining
Finished product is made after putting drying and calcining.Reduce the time manually coated, reached the effect of automatic coating feeding, reduce artificial behaviour
Make, reduce artificial input cost, operation is simpler, efficient, and cost is cheaper.
Due to the setting of soaking paste tank deck end opening, after the solvent in mixture volatilizees, when viscosity is too high, the mixture reaches
Less than requiring, in order to detect the viscosity of mixture in soaking paste tank in time, mixing is changed in time when viscosity does not reach requirement
Material, the bottom of the soaking paste tank are additionally provided with discharging opening, the second control valve are additionally provided with the discharging opening of the soaking paste tank, the leaching
The viscosity inductor being connected with the second control valve is additionally provided with slurry tank.By above-mentioned setting, the replacing of mixture is simpler,
It is convenient.
Preferably, the viscosity inductor is ultrasonic type viscosimeter.
Feeding and output for the ease of Second support, the longitudinal cross-section of the soaking paste tank is in up big and down small trapezoidal knot
Structure.
In order to which the purpose of automatic charging is better achieved, error rate is reduced, and further reduces the artificial correction time, is reduced
The input of cost of labor, the relative line direction of two ramped side walls and the moving direction one of transmitting device on the soaking paste tank
Cause, and the directing plate for being directed to Second support in soaking paste tank is provided with the ramped side walls of soaking paste upper end.
Because viscosity is lower relative to the top layer material coated in the past, thus it is immersed in soaking paste tank and takes out in Second support
The material drippage for being partly adhered to Second support is had afterwards, there are precious metals species in material, and cost is higher.It is artificial in order to reduce
The cost of cleaning, while wastage of material is avoided, it is cost-effective, Second support is transferred out into soaking paste tank below the transmission device
Opening position is provided with splicing groove, by above-mentioned setting, will can be reclaimed after the material collection for the drippage that received in splicing groove again sharp
With.
Compared with prior art, the present invention has following advantageous effects：
1st, the present invention realizes the purpose of auto feed, while also changes the mode of coating；Applied The present invention reduces artificial
The time covered, reach the effect of automatic coating feeding, reduced manual operation, reduce artificial input cost, operation is simpler,
Cost is cheaper.
2nd, the present invention is simple in construction, and cost is cheap, significant effect, is especially suitable for popularization and application.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation of feeding device opening position in the present invention.
Mark and corresponding parts title in accompanying drawing：
1-raw material places container, 2-raw material blending device, 3-feeding device, 4-transmission device, 5-drying and calcining dress
Put, 6-splicing groove；
31-soaking paste tank, 32-liquid level inductor, the 33-the first control valve, the 34-the second control valve, the sensing of 35-viscosity
Device；
41-transmitting device, 42-mounting chain.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
The process units of the multiphase catalyst of precious metal doping, as depicted in figs. 1 and 2, including more than one raw material is put
Container 1 is put, the raw material blending device 2 connected with the discharging opening of raw material placement container 1, is connected with the discharging opening of raw material blending device 2
Logical feeding device 3, for Second support to be transported to the transmission device 4 of the opening position of feeding device 3 progress feeding, after feeding
The Second support drying and calcining device 5 that is dried, calcines, it is characterised in that
The feeding device 3 includes the soaking paste tank 31 that top has opening, the liquid level inductor being arranged in soaking paste tank 31
32；The discharging opening of the raw material blending device 2 is provided with the first control valve 33 being connected with liquid level inductor 32；
The transmission device 4 includes the transmitting device that the opening position of drying and calcining device 5 is moved to from the opening position of feeding device 3
41, it is arranged on and is used for the mounting chain 42 for mounting Second support on transmitting device 41；
The transmitting device 41 is by two rotary shafts, the transmission belt being enclosed in two rotary shafts, and driving rotary shaft turns
Motor that is dynamic and then driving transmission Tape movement is formed；One end end of the mounting chain 42 is fixed in transmission belt；And
Transmission belt is located at the surface of feeding device 3.
Embodiment 2
The present embodiment and the difference of embodiment 1 are, the structure of feeding device 3 are further optimized in the present embodiment, such as
Shown in Fig. 1, the specific setting of the feeding device 3 is as follows：
The bottom of the soaking paste tank 31 is additionally provided with discharging opening, and the second control is additionally provided with the discharging opening of the soaking paste tank 31
Valve 34, the viscosity inductor 35 being connected with the second control valve 34 is additionally provided with the soaking paste tank 31.
The viscosity inductor 35 is ultrasonic type viscosimeter.
The longitudinal cross-section of the soaking paste tank 31 is in up big and down small trapezium structure.
The line direction of two relative ramped side walls is consistent with the moving direction of transmitting device 41 on the soaking paste tank 31,
And be provided with the directing plate for Second support being directed in soaking paste tank 31 in the ramped side walls on the top of soaking paste tank 31.
The opening position that the lower section of transmission device 4 transfers out Second support in soaking paste tank 31 is provided with splicing groove 6.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (6)
1. the process units of the multiphase catalyst of precious metal doping, including more than one raw material place container (1), put with raw material
The raw material blending device (2) of the discharging opening connection of container (1) is put, the feeding dress connected with the discharging opening of raw material blending device (2)
(3) are put, for Second support to be transported into the transmission device (4) that feeding device (3) opening position carries out feeding, by the after feeding
The drying and calcining device (5) that two carriers are dried, calcined, it is characterised in that
The feeding device (3) includes the soaking paste tank (31) that top has opening, the liquid level sensing being arranged in soaking paste tank (31)
Device (32)；The discharging opening of the raw material blending device (2) is provided with the first control valve being connected with liquid level inductor (32)
(33)；
The transmission device (4) includes being moved to the transmission dress of drying and calcining device (5) opening position from feeding device (3) opening position
(41) are put, is arranged on and is used for the mounting chain (42) for mounting Second support on transmitting device (41)；
The transmitting device (41) is by two rotary shafts, the transmission belt being enclosed in two rotary shafts, and driving rotary shaft rotates
And then the motor of transmission Tape movement is driven to form；One end end of the mounting chain (42) is fixed in transmission belt；And
Transmission belt is located at the surface of feeding device (3).
2. the process units of the multiphase catalyst of precious metal doping according to claim 1, it is characterised in that the soaking paste
The bottom of tank (31) is additionally provided with discharging opening, and the second control valve (34), the leaching are additionally provided with the discharging opening of the soaking paste tank (31)
The viscosity inductor (35) being connected with the second control valve (34) is additionally provided with slurry tank (31).
3. the process units of the multiphase catalyst of precious metal doping according to claim 2, it is characterised in that the viscosity
Inductor (35) is ultrasonic type viscosimeter.
4. the process units of the multiphase catalyst of precious metal doping according to claim 1, it is characterised in that the soaking paste
The longitudinal cross-section of tank (31) is in up big and down small trapezium structure.
5. the process units of the multiphase catalyst of precious metal doping according to claim 4, it is characterised in that the soaking paste
The line direction of two relative ramped side walls is consistent with the moving direction of transmitting device (41) on tank (31), and soaking paste tank (31)
Be provided with the directing plate for Second support being directed in soaking paste tank (31) in the ramped side walls on top.
6. the process units of the multiphase catalyst of precious metal doping according to claim 1, it is characterised in that the transmission
The opening position that Second support is transferred out to soaking paste tank (31) below device (4) is provided with splicing groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037775.6A CN107617438A (en) | 2017-10-31 | 2017-10-31 | The process units of the multiphase catalyst of precious metal doping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037775.6A CN107617438A (en) | 2017-10-31 | 2017-10-31 | The process units of the multiphase catalyst of precious metal doping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107617438A true CN107617438A (en) | 2018-01-23 |
Family
ID=61093191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711037775.6A Withdrawn CN107617438A (en) | 2017-10-31 | 2017-10-31 | The process units of the multiphase catalyst of precious metal doping |
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| Country | Link |
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| CN (1) | CN107617438A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252272A (en) * | 2019-06-17 | 2019-09-20 | 万华化学集团股份有限公司 | A kind of method and device of continuous large scale preparation olefin epoxidation catalysts |
-
2017
- 2017-10-31 CN CN201711037775.6A patent/CN107617438A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252272A (en) * | 2019-06-17 | 2019-09-20 | 万华化学集团股份有限公司 | A kind of method and device of continuous large scale preparation olefin epoxidation catalysts |
| CN110252272B (en) * | 2019-06-17 | 2022-04-22 | 万华化学集团股份有限公司 | Method and device for continuously preparing olefin epoxidation catalyst on large scale |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180123 |
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| WW01 | Invention patent application withdrawn after publication |