CN208878602U - A kind of device preparing metallic catalyst - Google Patents
A kind of device preparing metallic catalyst Download PDFInfo
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- CN208878602U CN208878602U CN201821063321.6U CN201821063321U CN208878602U CN 208878602 U CN208878602 U CN 208878602U CN 201821063321 U CN201821063321 U CN 201821063321U CN 208878602 U CN208878602 U CN 208878602U
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- liquid
- packed bed
- metallic catalyst
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- 239000003863 metallic catalyst Substances 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 34
- 238000012856 packing Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 36
- 238000001994 activation Methods 0.000 abstract description 27
- 239000003054 catalyst Substances 0.000 abstract description 24
- 238000007598 dipping method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 16
- 230000004913 activation Effects 0.000 abstract description 13
- 238000002360 preparation method Methods 0.000 abstract description 12
- 230000003213 activating effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011068 loading method Methods 0.000 abstract description 4
- 238000005470 impregnation Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 238000002803 maceration Methods 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 230000005484 gravity Effects 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000012855 volatile organic compound Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910052723 transition metal Inorganic materials 0.000 description 6
- 150000003624 transition metals Chemical class 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000012266 salt solution Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- ARNJDXAPUCHUQL-UHFFFAOYSA-N [Ce].[Au] Chemical compound [Ce].[Au] ARNJDXAPUCHUQL-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000011172 small scale experimental method Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
A kind of device preparing metallic catalyst, belong to chemical engineering of materials preparation technical field, it can solve the problems, such as that the existing Catalyst Preparation Impregnation time is long, dipping content is low and non-uniform, technique includes impregnating and activating two processes, and two processes are completed in cross_flow rotating packed bed.Dipping process is mainly the loading process of metal ion solution and carrier, and activation process is drying activation process of the impregnated carrier in environment of high temperature gas.Whole device includes cross_flow rotating packed bed, air heating apparatus.Dipping and activation process are completed in same equipment, realize preparation integration.The utility model can increase the load capacity of carrier, shorten activation time, simplify preparation process, and prepared catalyst load capacity is uniformly dispersed.Entire technique is not required to segment processing, improves production efficiency, is more suitable for producing in enormous quantities, effectively improves production efficiency, reduce operating cost.
Description
Technical field
The utility model belongs to chemical engineering of materials preparation technical field, and in particular to a kind of device for preparing metallic catalyst.
Background technique
Volatile organic compounds (VOCs) discharge amount in China's industry and city increasingly increases, and VOCs gas has strong
Smell and toxic, Long Term Contact can be detrimental to health, cause various lesions.In addition, the gas can also cause atmosphere
Secondary pollution causes mist the study found that VOCs gas is the important presoma that Tropospheric ozone and secondary organic aerosol are formed
Haze pollutes atmosphere.Under the increasingly strict trend of environmental protection, the improvement of VOCs gas has become extremely urgent engineering.
Common VOCs purification techniques has absorption method, absorption process and combustion method etc..Absorption method is big due to having treating capacity, can
Organic solvent is recycled, operating cost is low, becomes industrial common method at present, but it is just for the VOCs gas of low concentration
Body, high concentrations of gas breach the absorption limit, and polluted gas cannot be effectively treated.There are secondary pollution, industrial productions for absorption process
In also not use.Combustion method is a kind of destructive processing method, and final product is carbon dioxide and water, and initiation temperature is low,
Consuming little energy, the cycle of operation is longer, becomes one of most effective purification process.Common combustion method has thermodynamics to burn and be catalyzed
Burning, catalysis burning carry out at a lower temperature, save production and operating cost, are commonly used by industry.Catalytic combustion technology
Need to be by catalyst by VOCs gas oxygenolysis, organic exhaust gas is oxidized to carbon dioxide and water.Being catalyzed the key reacted is
The preparation of catalyst, is influenced by impregnation concentrations and activation temperature.
Industrial catalyst is made of active constituent, auxiliary agent and carrier.Pattern and the dispersion degree influence of activating component are urged
Agent activity, active component have two class of noble metal and transition metal, and transition-metal catalyst price is relatively low, there is good urge
Change performance, to be commonly used at present.Active component is loaded on carrier by the method for the common dipping of industry, leans on common molecular active force
Active component is adsorbed to surface, that there are dip times is long for this method, dipping content is low and non-uniform disadvantage.Catalyst
Activation process generallys use baking oven or the method for fluidized bed heating is realized, be easy to cause the heat affected zone of catalyst uneven.This
Outside, in industrial production, two processes of dipping and activation do not carry out in same equipment and process, cause labor intensity mass production
The problem of low efficiency.
Cross_flow rotating packed bed is a kind of a kind of novel device for capableing of fortifier system interphase mass transfer, has been widely applied
Microcosmic mixing in terms of gas-liquid, liquid liquid.In high-gravity rotating bed, liquid can be separated into drop, brin and liquid film, with it is anti-
When should be in contact, increases object and be in contact area, strengthen reaction mass transfer.In Elevated Gravity, reaction medium is in high speed rotation
State, dispersion degree is extremely strong, is applied to dipping and activation process, can effectively improve catalyst performance.In addition, being set using same
It is standby to be impregnated and activated, it realizes two integrated processes, shortens preparation time, reduce production cost.
Summary of the invention
The utility model is long for the existing Catalyst Preparation Impregnation time, dipping content is low and non-uniform problem, provides
A kind of device preparing metallic catalyst.
The utility model adopts the following technical solution:
A kind of device preparing metallic catalyst, including cross_flow rotating packed bed, roots blower and reservoir, wherein
The bottom of cross_flow rotating packed bed is respectively equipped with gas feed and liquid outlet, and side wall is equipped with gas vent, the center at top
Equipped with liquid-inlet, the bottom of cross_flow rotating packed bed is equipped with the bearing being connected to motor, and liquid-inlet is connected with liquid point
Cloth device, cross_flow rotating packed bed is interior to be equipped with the packing layer with carrier, is equipped with and is sequentially connected between roots blower and gas feed
Air heater, flowmeter and valve, liquid outlet connected with the entrance of reservoir by control valve, the outlet of reservoir
Sequentially connected centrifugal pump and flowmeter are equipped between liquid-inlet.
Described filler layer seals up and down, and outside is equipped with screen membrane.
The gas feed and liquid outlet are symmetrical arranged along central axis.
The liquid distribution trough is arranged in annulus.
Cooling device is equipped on the outside of described filler layer and bearing.
A method of metallic catalyst is prepared, is included the following steps:
Motor is opened, so that cross_flow rotating packed bed is in rotation status, the maceration extract in reservoir is passed through by centrifugal pump
Liquid-inlet is pumped into cross_flow rotating packed bed, after liquid distribution trough disperses, contacts with the carrier in packing layer, after dipping
Maceration extract is flowed into reservoir by liquid outlet, carries out dipping process, and after the completion of to be impregnated, closing liquid inlet and outlet open gas
Body inlet and outlet, the gas through air heater are passed through in cross_flow rotating packed bed, carry out activation process.
The maceration extract is precious metal salt solution or transition metal salt solution, and the noble metal or transition metal are single gold
Category or multicomponent.
The carrier is aluminum oxide or molecular sieve or active carbon, and filling degree of the carrier in packing layer is 70%.
The temperature of air is 120-140 DEG C in the activation process.
The revolving speed of the cross_flow rotating packed bed is 900-1100r/min.
Cross_flow rotating packed bed is a kind of a kind of novel device for capableing of fortifier system interphase mass transfer, has been widely applied
Microcosmic mixing in terms of gas-liquid, liquid liquid.In high-gravity rotating bed, liquid can be separated into drop, brin and liquid film, with it is anti-
When should be in contact, increases object and be in contact area, strengthen reaction mass transfer.In Elevated Gravity, reaction medium is in high speed rotation
State, dispersion degree is extremely strong, is applied to dipping and activation process, can effectively improve catalyst performance.
The beneficial effects of the utility model are as follows:
The utility model is impregnated and is activated using same equipment, realizes two integrated processes, shortens preparation time,
Reduce cost.
Carrier is contacted with activating component for spray-type in the utility model, in rotary packed bed stabilization, powerful hypergravity
Under environment, maceration extract rapidly updates in high dispersive, high turbulence, strong mixed interface, and is uniformly sprayed to carrier surface, and carrier exists
Packing layer high speed rotates and is in rolling condition, comprehensive to contact with maceration extract, and the contact for substantially increasing liquid-solid two-phase is several
Rate enhances mass transport process, greatly improves dipping effect.In activation process, heat gas after gas feed enters bed,
It is contacted with high-speed rotating carrier, in the state of big air-flow, carrier is in fluidized state, greatly promotion activation effect, is shortened
Activation time.
Detailed description of the invention
Fig. 1 is the process flow chart of the preparation method of the utility model；
Fig. 2 is the structural schematic diagram of the cross_flow rotating packed bed of the utility model；
Wherein: 1- roots blower；2- air heater；3- flowmeter；4- valve；5- liquid distribution trough；6- packing layer；7-
Cross_flow rotating packed bed；8- reservoir；9- centrifugal pump；10- control valve；7.1- gas vent；7.2- gas feed；7.3-
Liquid-inlet；7.4- cooling device；7.5- bearing；7.6- motor；7.7- liquid outlet.
Specific embodiment
In conjunction with attached drawing, the utility model is described further.
As shown in Figure 1 and Figure 2, a kind of preparing metallic catalyst device, including being equipped with gas inlet and outlet, liquid entrance
Cross_flow rotating packed bed 7, the liquid-inlet 7.3 of cross_flow rotating packed bed 7 connect the maceration extract squeezed by centrifugal pump 9, warp
It after liquid distribution trough 5 is evenly dispersed, is come into full contact with the carrier in packing layer 6, entire dipping process, it can be big according to carrier amount
It is small, by control valve 4 and flowmeter 3, the flow of maceration extract is controlled, maceration extract is flowed into reservoir 8 by liquid outlet 7.7.
The gas feed 7.2 of cross_flow rotating packed bed 7 connects the hot-air introduced by air heater 5, and gas vent 7.1 empties.
The entire packing layer (adsorbent filling area) 6 of cross_flow rotating packed bed 7 connects bearing 7.5 by motor 7.6 and drives rotation.Entirely
Dipping and activation process, cross_flow rotating packed bed 7 is all in rotation status, in order to avoid motor is heated excessive in activation process
Cause to wear, cooling device 7.4 is equipped on the outside of entire bearing 7.5 and packing layer.
Packing layer 6 is equipped with inside the cross_flow rotating packed bed 7, to be closed up and down, two sides dead zone is set the packing layer
Meter, two sides are wrapped up by filter membrane net, guarantee that maceration extract can enter and leave, and carrier is placed in sky cabin, and liquid distribution is equipped in the middle part of packing layer 6
Device 5 divides maceration extract uniformly strongly and spills in the carrier.Liquid is entered by liquid-inlet 7.7 by the maceration extract that centrifugal pump 9 is squeezed into
In distributor 5, maceration extract is sprayed on the carrier being seated in packing layer 6 in the case where certain pressure, in the process,
Packing layer 6 carries out high speed rotation with motor 7.6, and carrier is in tumbling state in packing layer, guarantees that each orientation can be by
Maceration, meanwhile, the maceration extract in reservoir 8 is constantly in heated condition.
When the cross_flow rotating packed bed 7 carries out activation of catalyst, gas feed 7.2 connects air heater 2, activation
The temperature of required gas is 120-140 DEG C, and in entire activation process, cooling device is equipped at packing layer shell and bearing.
The carrier is the adsorbent with certain catalytic activity and mechanical strength, can be aluminum oxide, point
Son sieve, active carbon etc., the filling degree in packing layer 6 are 70%, guarantee that carrier is in tumbling state, promote dipping effect.Liquid storage
Active component in slot 8 is precious metal salt solution or transition metal salt solution, can also be multicomponent for single metal.
The cross_flow rotating packed bed 7 prepares metallic catalyst, and dipping and activation are carried out in same equipment, realized
Preparation integration.After the completion of dipping, closing liquid import 7.3 and liquid outlet 7.7 open gas feed 7.2 and gas vent
7.1, carry out activation process.
Embodiment 1: preparing carried metal activated-carbon catalyst using gravity Method, using active carbon as carrier, cupric, cerium gold
Belong to the salting liquid of ion as activating component, using cross_flow rotating packed bed as dipping and activation equipment, is prepared for excessively
Metallic catalyst.Experimental size is small-scale experiment, and the loadings of each active carbon are 100g, and the flow of maceration extract is 200L/h,
In whole experiment process, the revolving speed of cross_flow rotating packed bed is 900r/min.In activation process, air heater heats air
To 140 DEG C.Dip time is 10min, activation time 10min.The experimental results showed that the load capacity of copper is 11%, the load of cerium
Amount is 5.3%.Meanwhile catalyst is prepared using magnetic stirring apparatus and is compared, 60min is impregnated in identical maceration extract, 180
120min is activated in DEG C baking oven, the Metal Supported content of catalyst improves 7% as the result is shown, illustrates that gravity Method can be mentioned effectively
The Metal Supported content of catalyst is risen, dip time or activation time are reduced, and realizes impregnating active integration.
Embodiment 2: being prepared for the active carbon metallic catalyst of Supported Manganese using gravity Method, in the same work of embodiment 1
Under the conditions of condition, influence of the revolving speed to dipping and activation effect has been investigated.Experiment shows the activated-carbon catalyst of carried metal with turning
The increase of speed, loading content increase.When revolving speed is 1100r/min, the content of metal of catalyst is 12.3%, revolving speed 300r/
When min, catalyst loadings 9.6%.
Embodiment 3: respectively using aluminum oxide, carbon fiber as carrier, transition metal and precious metal salt solution are active group
Point, different types of metallic catalyst is prepared for using gravity Method, is compared with conventional infusion method.Experiment shows super
The metallic catalyst load capacity of gravitational method preparation will be far longer than the catalyst of conventional method dipping, and can be big using gravity Method
It is big to shorten dip time and activation time.Using aluminum oxide as carrier, nickeliferous metal salt is activating component, hypergravity rotary filling
Expect that bed impregnates 10min, 15min, the revolving speed of 900r/min, the Metal Supported of catalyst are activated in 140 DEG C of Elevated Gravity
Amount can reach 8.2%；20min is impregnated using conventional infusion method, 20min is activated in 140 DEG C of baking oven, the metal of catalyst is negative
Carrying content is 6.5%.Experiment shows that gravity Method prepares metal supported catalyst and has the advantage that the time is short, effect is good.
Embodiment 4: catalysis burning toluene gas is carried out using copper-manganese catalyst prepared by gravity Method.Toluene gas is dense
Degree is 3000ppm, and at 250 DEG C of temperature, toluene gas concentration is 90ppm after processing, and purifying rate can reach 90% or more, is realized
The effect of catalysis burning toluene under low temperature.
Claims (5)
1. a kind of device for preparing metallic catalyst, it is characterised in that: including cross_flow rotating packed bed (7), roots blower (1)
With reservoir (8), wherein the bottom of cross_flow rotating packed bed (7) is respectively equipped with gas feed (7.2) and liquid outlet
(7.7), side wall is equipped with gas vent (7.1), and the center at top is equipped with liquid-inlet (7.3), cross_flow rotating packed bed (7)
Bottom is equipped with the bearing (7.5) connecting with motor (7.6), and liquid-inlet (7.3) is connected with liquid distribution trough (5), hypergravity rotation
Turn to be equipped with the packing layer (6) with carrier in packed bed (7), is equipped with and is sequentially connected between roots blower (1) and gas feed (7.2)
Air heater (2), flowmeter (3) and valve (4), liquid outlet (7.7) passes through control valve (10) and reservoir (8)
Entrance connection, is equipped with sequentially connected centrifugal pump (9) and flowmeter between the outlet and liquid-inlet (7.3) of reservoir (8).
2. a kind of device for preparing metallic catalyst according to claim 1, it is characterised in that: in described filler layer (6)
Under seal, outside be equipped with screen membrane.
3. a kind of device for preparing metallic catalyst according to claim 1, it is characterised in that: the gas feed
(7.2) it is symmetrical arranged with liquid outlet (7.7) along central axis.
4. a kind of device for preparing metallic catalyst according to claim 1, it is characterised in that: the liquid distribution trough
(5) it is arranged in annulus.
5. a kind of device for preparing metallic catalyst according to claim 1, it is characterised in that: described filler layer (6) and
Cooling device (7.4) are equipped on the outside of bearing (7.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063321.6U CN208878602U (en) | 2018-07-06 | 2018-07-06 | A kind of device preparing metallic catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063321.6U CN208878602U (en) | 2018-07-06 | 2018-07-06 | A kind of device preparing metallic catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208878602U true CN208878602U (en) | 2019-05-21 |
Family
ID=66506308
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821063321.6U Withdrawn - After Issue CN208878602U (en) | 2018-07-06 | 2018-07-06 | A kind of device preparing metallic catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208878602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854931A (en) * | 2018-07-06 | 2018-11-23 | 中北大学 | A kind of device and method preparing metallic catalyst |
| CN114433249A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Catalyst impregnation device, catalyst impregnation method and application thereof |
-
2018
- 2018-07-06 CN CN201821063321.6U patent/CN208878602U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854931A (en) * | 2018-07-06 | 2018-11-23 | 中北大学 | A kind of device and method preparing metallic catalyst |
| CN108854931B (en) * | 2018-07-06 | 2024-02-09 | 中北大学 | Device and method for preparing metal catalyst |
| CN114433249A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Catalyst impregnation device, catalyst impregnation method and application thereof |
| CN114433249B (en) * | 2020-10-20 | 2023-11-24 | 中国石油化工股份有限公司 | Catalyst impregnation device, catalyst impregnation method and application thereof |
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