CN113041883A - Mixing device for mixing catalyst carrier raw materials and mixing method thereof - Google Patents
Mixing device for mixing catalyst carrier raw materials and mixing method thereof Download PDFInfo
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- CN113041883A CN113041883A CN201911377093.9A CN201911377093A CN113041883A CN 113041883 A CN113041883 A CN 113041883A CN 201911377093 A CN201911377093 A CN 201911377093A CN 113041883 A CN113041883 A CN 113041883A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/51—Methods thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/565—Mixing liquids with solids by introducing liquids in solid material, e.g. to obtain slurries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the field of catalyst preparation, and discloses a mixing device and a mixing method for mixing catalyst carrier raw materials. The mixing device for mixing catalyst carrier raw materials of the present invention comprises: a mixing chamber (1) surrounded by an upper sealing cover (11), a lower sealing cover (13) and a cylinder body (12); the stirring unit (2) comprises a main shaft (21), a connecting shaft (22) and a stirring paddle (23), wherein the main shaft (21) penetrates through the upper sealing cover (11) to be connected with the connecting shaft (22), and the stirring paddle (23) is arranged on the connecting shaft (22); a feed inlet (3) arranged on the upper cover (11); a liquid inlet (4) arranged on the upper sealing cover (11); and a discharge port (5) provided on the lower cover (13). According to the invention, a mixing device and a method using the mixing device are provided, wherein the mixing device can realize uniform, automatic and clean mixing process of catalyst carrier raw materials.
Description
Technical Field
The invention relates to the field of catalyst preparation, in particular to a mixing device for mixing catalyst carrier raw materials and a mixing method of the catalyst carrier raw materials.
Background
In the production of catalyst carriers in the field of petrochemical industry, dry mixing of alumina, a binder and other powder serving as main raw materials of the carriers and wet mixing of the dry-mixed materials and liquid raw materials are one of important factors influencing performance indexes of the catalyst carriers. In the prior industrial production of hydrogenation catalysts, the carrier raw materials are mixed and produced in batches by adopting a crankshaft kneader, manual feeding and hydraulic cylinder turning and manual discharging are needed, the labor intensity in the production process is high, and the field environment is severe. Meanwhile, due to the fact that the particle sizes of various powder raw materials are different in the dry mixing process, a certain proportion of liquid raw materials need to be added in the wet mixing process, and the two sigma-shaped blades of the existing kneader are low in rotating speed and strong in shearing action, the mixing process is prone to generating uneven mixing and caking phenomena, large lump materials are generated, and mixing quality is affected.
Disclosure of Invention
The invention aims to solve the problems of easy caking, high labor intensity and severe field environment in the catalyst carrier raw material mixing process in the prior art, and provides a mixing device capable of realizing uniformity, automation and cleaning in the catalyst carrier raw material mixing process and a method using the mixing device.
In order to achieve the above object, an aspect of the present invention provides a mixing apparatus for mixing catalyst support raw materials, the apparatus comprising:
the mixing chamber is formed by surrounding an upper sealing cover, a lower sealing cover and a cylinder body;
the stirring unit comprises a main shaft, a connecting shaft and a stirring paddle, the main shaft penetrates through the upper sealing cover to be connected with the connecting shaft, and the stirring paddle is arranged on the connecting shaft;
the feeding hole is formed in the upper sealing cover;
the liquid inlet is arranged on the upper sealing cover; and
and the discharge hole is arranged on the lower sealing cover.
Preferably, the main shaft is connected with a plurality of connecting shafts, the connecting shafts are provided with stirring paddles, and the stirring paddles are uniformly distributed and arranged along the circumference.
Preferably, the stirring paddle is one or more of a mixing paddle, a dispersing paddle and a wall scraping paddle.
Preferably, the connecting shaft is three, and each connecting shaft end is provided with the stirring paddles, and the stirring paddles are uniformly distributed and arranged along the circumference.
Preferably, 3 stirring paddles are respectively a mixing paddle, a dispersing paddle and a wall scraping paddle.
Preferably, the mixing device further comprises a driving mechanism, and the driving mechanism is connected with the main shaft of the stirring unit and is used for driving the stirring unit to stir.
Preferably, the mixing device further comprises a liquid spraying pipe arranged in the mixing chamber, and the liquid spraying pipe is communicated with the liquid inlet and is used for spraying liquid to the liquid entering through the liquid inlet.
Preferably, the number of the liquid spraying pipes is more than 2, and the liquid spraying pipes are uniformly distributed in the mixing chamber in an annular shape.
Preferably, the mixing device further comprises a driving unit for driving the discharge port to open and close.
The second aspect of the present invention provides a method for mixing a catalyst support raw material, wherein the method uses the mixing apparatus of the present invention for mixing, the method comprising the steps of,
1) feeding the powder material into the mixing chamber through the feed inlet for dry mixing;
2) feeding the kneading liquid into the mixing chamber through the liquid inlet to be wet-mixed with the powder mixed in the step 1);
3) discharging the mixed material in the step 2) from the discharge hole
Through the technical scheme, the method has the following excellent effects.
(1) The mixing device and the mixing method provided by the invention can realize automatic, closed and uniform mixing of the catalyst carrier raw materials.
(2) The mixing device and the mixing method provided by the invention have the advantages of high production efficiency, no lump of the carrier mixture and easiness in realizing the continuous production of the catalyst carrier.
Drawings
Fig. 1 is a schematic view of the overall structure of the mixing device of the present invention.
Fig. 2 is a top view of the mixing device of the present invention.
Description of the reference numerals
1 mixing chamber 11 Upper cover
12 cylinder 13 lower sealing cover
2 stirring unit 21 spindle
22 connecting shaft 23 stirring paddle
231 mixing paddle 232 dispersing paddle
233 wall scraping paddle 3 feed inlet
4 liquid inlet and 5 discharge ports
6 driving mechanism 7 liquid spraying tube
8 drive unit
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
FIG. 1 is a schematic view of the overall structure of the mixing device of the present invention; fig. 2 is a top view of the mixing device of the present invention. As shown in fig. 1 and 2, the present invention provides a mixing apparatus for mixing catalyst support raw materials, the apparatus comprising: a mixing chamber 1 surrounded by an upper cover 11, a lower cover 13 and a cylinder 12; the stirring unit 2 comprises a main shaft 21, a connecting shaft 22 and a stirring paddle 23, wherein the main shaft 21 penetrates through the upper sealing cover 11 to be connected with the connecting shaft 22, and the stirring paddle 23 is arranged on the connecting shaft 22; a feed port 3 provided on the upper cover 11; a liquid inlet 4 arranged on the upper sealing cover 11; and a discharge port 5 provided on the lower cover 13.
According to the invention, the mixing chamber 1 is a space surrounded by an upper cover 11, a lower cover 13 and a cylinder 12. The connection form between the upper cap 11, the lower cap 13 and the can 12 is not particularly limited, but preferably is a sealed connection, and more preferably, the upper cap 11, the lower cap 13 and the can 12 are integrally formed.
According to the invention, the stirring unit 2 comprises a main shaft 21, a connecting shaft 22 and a stirring paddle 23, wherein the main shaft 21 penetrates through the upper sealing cover 11 to be connected with the connecting shaft 22, and the stirring paddle 23 is arranged on the connecting shaft 22. The main shaft 21 is connected to a drive mechanism 6 described later, whereby the main shaft 21 is driven to rotate, and the main shaft 21 rotates the coupling shaft 22 and the paddle 23 to perform stirring.
According to the present invention, one or more than 2 coupling shafts 22 may be connected to the main shaft 21, and preferably, a plurality of coupling shafts 22 are connected to the main shaft 21.
In addition, the stirring paddles 23 are arranged on the connecting shafts 22, and each connecting shaft 22 can be provided with 1 or more stirring paddles 23, preferably 1-2 stirring paddles, and more preferably 1 stirring paddle. The position of the stirring paddle 23 on the connecting shaft 22 is not particularly limited, and when the number of the stirring paddles is 2 or more, the stirring paddles are preferably uniformly arranged on the connecting shaft 22; preferably, 1 is provided at the end of the coupling shaft 22.
In a preferred embodiment of the present invention, a plurality of connecting shafts 22 are connected to the main shaft 21, the connecting shafts 22 are provided with stirring paddles 23, and the stirring paddles 23 are uniformly distributed and arranged along the circumference.
In a preferred embodiment of the present invention, there are three connecting shafts 22, and the stirring paddles 23 are disposed at the end of each connecting shaft 22, and the stirring paddles 23 are uniformly distributed and arranged along the circumference.
According to the present invention, preferably, the stirring paddle 23 is one or more of a mixing paddle 231, a dispersing paddle 232, and a wall scraping paddle 233; more preferably, the stirring paddle 23 has at least one mixing paddle 231, one dispersing paddle 232, and one wall scraping paddle 233.
The mixing blade 231 may be, for example, a gate type stirring blade. The dispersing blade 232 may be, for example, a single-layer blade type stirring blade and/or a double-layer blade type stirring blade. The wall scraping blade 233 may be, for example, a scraper blade type stirring blade.
In a particularly preferred embodiment of the present invention, there are three connecting shafts 22, and the stirring paddles 23 are disposed at the end of each connecting shaft 22, the stirring paddles 23 are uniformly distributed and arranged along the circumference, and the 3 stirring paddles 23 are respectively a mixing paddle 231, a dispersing paddle 232, and a wall scraping paddle 233. Through such setting, can ensure through mixing paddle 231 that the misce bene, can strengthen mixing, avoid the caking through dispersion paddle 232, can avoid gluing the wall, easily the ejection of compact through scraping wall paddle 233.
According to the present invention, it is preferable that the mixing device further comprises a driving mechanism 6, and the driving mechanism 6 is connected with the main shaft 21 of the stirring unit 2 and is used for driving the stirring unit 2 to stir. The driving mechanism 6 is not particularly limited as long as it can drive the stirring unit 2 to stir, and may be a motor, for example.
According to the invention, the feed inlet 3 is arranged on the upper cover 11 and is used for feeding powder into the mixing chamber 1 through the feed inlet 3 for mixing.
According to the invention, the liquid inlet 4 is arranged on the upper sealing cover 11 and is used for feeding liquid substances into the mixing chamber 1 through the liquid inlet 4 for mixing.
According to the invention, the mixing device preferably further comprises a liquid spray pipe 7 arranged in the mixing chamber 1, the liquid spray pipe 7 being in communication with the liquid inlet 4 for spraying the liquid substance entering through the liquid inlet 4.
Preferably, the number of the liquid spraying pipes 7 is 1, or 2 or more, and preferably, the number of the liquid spraying pipes 7 is 2 or more, and the liquid spraying pipes 7 are uniformly distributed in the mixing chamber 1 in a ring shape.
According to the invention, the discharge opening 5 is arranged on the lower cover 13 and is used for discharging the mixed materials from the discharge opening 5.
Preferably, the mixing device further comprises a driving unit 8 for driving the discharge port 5 to open and close.
The driving unit 8 for driving the discharge opening 5 to open and close may be, for example, a hydraulic ram, an electric ram, or an electro-hydraulic ram.
According to the present invention, in order to prolong the service life of the device, it is preferable that the upper cover 11, the lower cover 13, the cylinder 12, the stirring unit 2, the liquid spraying tube 7 and the discharge hole 5 are made of acid-proof and wear-resistant materials.
The second aspect of the present invention provides a method for mixing a catalyst support raw material, wherein the method uses the mixing apparatus of the present invention for mixing, the method comprising the steps of,
1) a step of feeding the powder material into the mixing chamber 1 through the feed port 3 for dry mixing;
2) feeding the kneading liquid into the mixing chamber 1 through the liquid inlet 4 to be wet-mixed with the powder mixed in the step 1);
3) discharging the mixed materials in the step 2) from the discharge port 5.
According to the present invention, preferably, in step 1), the dry mixing conditions include: the dry mixing time is 10-30min, and the stirring speed is 50-200 r/min. In addition, the dry-blending temperature is preferably carried out at room temperature (10 to 40 ℃).
According to the present invention, preferably, in step 2), the wet mixing conditions include: the wet mixing time is 10-60min, and the stirring speed is 50-300 r/min. The wet-mixing temperature is preferably carried out at room temperature (10-40 ℃).
The present invention will be described in detail below by way of examples, but the present invention is not limited to the following examples.
Example 1
The mixing of the catalyst support materials was carried out using the apparatus shown in FIGS. 1 and 2. The device includes: the mixing chamber 1 is formed by surrounding an upper sealing cover 11, a lower sealing cover 13 and a cylinder body 12; the stirring unit 2 comprises a main shaft 21, three connecting shafts 22 and three stirring paddles 23, wherein the main shaft 21 penetrates through the central part of the upper sealing cover 11 to be connected with the three connecting shafts 22, the end parts of the three connecting shafts 22 are respectively provided with 1 stirring paddle 23 (the three stirring paddles 23 arranged at the end parts of the three connecting shafts 22 are respectively a frame type stirring paddle serving as a mixing blade 231, a double-layer paddle type stirring paddle serving as a dispersing blade 232 and a scraper type stirring paddle serving as a wall scraping blade 233), and the stirring paddles 23 arranged at the end parts of the connecting shafts 22 are uniformly distributed and arranged along the circumference; a driving mechanism 6 (specifically, a motor in the present embodiment) connected to the main shaft 21 of the stirring unit 2 for driving the stirring unit 2 to stir; the feeding hole 3 is arranged on the upper sealing cover 11; a liquid inlet 4 arranged on the upper sealing cover 11; a liquid spraying pipe 7 which is arranged in the mixing chamber 1 and is communicated with the liquid inlet 4, and the liquid spraying pipe 7 is annularly arranged in the mixing chamber 1; a discharge port 5 provided on the lower cover 13; and a driving unit 8 (specifically, an electric push rod in the present embodiment) for driving the discharge port 5 to open and close.
1) 200 parts by weight of alumina powder and 10 parts by weight of sesbania powder are fed into the mixing chamber 1 through the feed inlet 3, and the stirring unit 2 is driven by the driving mechanism 6 to carry out dry mixing, wherein the dry mixing temperature is 25 ℃, the dry mixing time is 30min, and the stirring speed is 150 r/min;
2) sending 410 parts by weight of a kneading solution (deionized water in which nitric acid, citric acid and glacial acetic acid are dissolved, the acetic acid content in the dissolved solution is 1.3 wt%, the nitric acid content is 0.2 wt% and the citric acid content is 1.5 wt%) into the mixing chamber 1 through the liquid inlet 4 to carry out wet mixing with the powder mixed in the step 1), wherein the wet mixing temperature is 25 ℃, the dry mixing time is 20min and the stirring speed is 100 r/min;
3) after the mixing is completed, the discharge port 5 is opened by the driving unit 8 to discharge the mixed material.
The mixing device and the mixing method provided by the invention can realize automatic, closed and uniform mixing of the catalyst carrier raw materials. In addition, by adopting the mixing device and the mixing method provided by the invention, the production efficiency is high, the carrier mixture has no block mass, and the continuous production of the catalyst carrier is easy to realize.
Example 2
The process is carried out as in example 1, except that, in step 1), the dry-mixing time is 20min and the stirring speed is 200 r/min; in the step 2), the dry mixing time is 10min, and the stirring speed is 300 r/min. Also, the mixing device and the mixing method provided by the invention can realize automatic, closed and uniform mixing of the catalyst carrier raw materials. In addition, by adopting the mixing device and the mixing method provided by the invention, the production efficiency is high, the carrier mixture has no block mass, and the continuous production of the catalyst carrier is easy to realize.
Example 3
The process is carried out as in example 1, except that, in step 1), the dry-mixing time is 25min and the stirring speed is 180 r/min; in the step 2), the dry mixing time is 30min, and the stirring speed is 80 r/min. Also, the mixing device and the mixing method provided by the invention can realize automatic, closed and uniform mixing of the catalyst carrier raw materials. In addition, by adopting the mixing device and the mixing method provided by the invention, the production efficiency is high, the carrier mixture has no block mass, and the continuous production of the catalyst carrier is easy to realize.
Comparative example 1
The procedure of example 1 was followed except that a paddle 23 having no paddle blade as the wall scraping blade 233 was used, and as a result, a lump of the carrier mixture was present.
Comparative example 2
The procedure of example 1 was followed except that a gate-type paddle as the mixing blade 231 was not provided as the paddle 23, and as a result, a lump was present in the carrier mixture.
Comparative example 3
The procedure of example 1 was followed except that a double-paddle type stirring paddle as the dispersing paddle 232 was not provided as the stirring paddle 23, and as a result, a lump was present in the carrier mixture.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. A mixing apparatus for mixing catalyst support materials, the apparatus comprising:
a mixing chamber (1) surrounded by an upper sealing cover (11), a lower sealing cover (13) and a cylinder body (12);
the stirring unit (2) comprises a main shaft (21), a connecting shaft (22) and a stirring paddle (23), wherein the main shaft (21) penetrates through the upper sealing cover (11) to be connected with the connecting shaft (22), and the stirring paddle (23) is arranged on the connecting shaft (22);
a feed inlet (3) arranged on the upper cover (11);
a liquid inlet (4) arranged on the upper sealing cover (11); and
a discharge port (5) provided on the lower cover (13).
2. The mixing device according to claim 1, wherein a plurality of connecting shafts (22) are connected to the main shaft (21), stirring paddles (23) are arranged on the connecting shafts (22), and the stirring paddles (23) are uniformly distributed and arranged along the circumference.
3. The mixing device according to claim 1, wherein the stirring paddle (23) is one or more of a mixing paddle (231), a dispersing paddle (232) and a wall scraping paddle (233).
4. The mixing device according to any one of claims 1 to 3, wherein the number of the connecting shafts (22) is three, and the stirring paddles (23) are arranged at the end of each connecting shaft (22), and the stirring paddles (23) are uniformly distributed and arranged along the circumference.
5. The mixing device according to claim 4, wherein the 3 stirring paddles (23) are a mixing paddle (231), a dispersing paddle (232) and a wall scraping paddle (233), respectively.
6. The mixing device according to any one of claims 1-3, further comprising a drive mechanism (6), the drive mechanism (6) being connected to the main shaft (21) of the stirring unit (2) for driving the stirring unit (2) for stirring.
7. A mixing device according to any of claims 1-3, further comprising a liquid spray tube (7) arranged in the mixing chamber (1), the liquid spray tube (7) being in communication with the liquid inlet (4) for spraying liquid substance entering through the liquid inlet (4).
8. The mixing device according to claim 7, wherein the number of the liquid spray pipes (7) is more than 2, and the liquid spray pipes are uniformly distributed in the mixing chamber (1) in a ring shape.
9. A mixing device according to any of claims 1-3, wherein the mixing device further comprises a drive unit (8) for driving the discharge opening (5) to open and close.
10. A method for mixing a raw material for a catalyst carrier, characterized in that the mixing is carried out using the mixing apparatus according to any one of claims 1 to 9, the method comprising the steps of,
1) feeding the powder into the mixing chamber (1) through the feeding hole (3) for dry mixing;
2) feeding the kneading liquid into the mixing chamber (1) through the liquid inlet (4) to be wet-mixed with the powder mixed in the step 1);
3) discharging the material mixed in the step 2) from the discharge hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377093.9A CN113041883A (en) | 2019-12-27 | 2019-12-27 | Mixing device for mixing catalyst carrier raw materials and mixing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377093.9A CN113041883A (en) | 2019-12-27 | 2019-12-27 | Mixing device for mixing catalyst carrier raw materials and mixing method thereof |
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| Publication Number | Publication Date |
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| CN113041883A true CN113041883A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911377093.9A Pending CN113041883A (en) | 2019-12-27 | 2019-12-27 | Mixing device for mixing catalyst carrier raw materials and mixing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865352A (en) * | 2021-09-26 | 2021-12-31 | 江苏新久化工设备制造有限公司 | Mixed feeding structure of acetic acid cracking furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003284960A (en) * | 2002-03-29 | 2003-10-07 | Tanaka Kikinzoku Kogyo Kk | Device and system for uniformly carrying catalyst |
| CN203862175U (en) * | 2014-05-20 | 2014-10-08 | 山东公泉化工股份有限公司 | Premixer for producing catalyst carrier |
| CN205323721U (en) * | 2015-12-03 | 2016-06-22 | 重庆太岳科技有限公司 | V -arrangement stirring rake reactor mixing device |
| CN205461992U (en) * | 2016-03-16 | 2016-08-17 | 武汉凯迪工程技术研究总院有限公司 | Device is thoughtlessly held between fingers in catalyst support preparation |
| CN209049331U (en) * | 2018-10-26 | 2019-07-02 | 湖北川谱医学科技有限公司 | A kind of pilot scale vacuum emulsification agitating device |
-
2019
- 2019-12-27 CN CN201911377093.9A patent/CN113041883A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003284960A (en) * | 2002-03-29 | 2003-10-07 | Tanaka Kikinzoku Kogyo Kk | Device and system for uniformly carrying catalyst |
| CN203862175U (en) * | 2014-05-20 | 2014-10-08 | 山东公泉化工股份有限公司 | Premixer for producing catalyst carrier |
| CN205323721U (en) * | 2015-12-03 | 2016-06-22 | 重庆太岳科技有限公司 | V -arrangement stirring rake reactor mixing device |
| CN205461992U (en) * | 2016-03-16 | 2016-08-17 | 武汉凯迪工程技术研究总院有限公司 | Device is thoughtlessly held between fingers in catalyst support preparation |
| CN209049331U (en) * | 2018-10-26 | 2019-07-02 | 湖北川谱医学科技有限公司 | A kind of pilot scale vacuum emulsification agitating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865352A (en) * | 2021-09-26 | 2021-12-31 | 江苏新久化工设备制造有限公司 | Mixed feeding structure of acetic acid cracking furnace |
| CN113865352B (en) * | 2021-09-26 | 2023-01-06 | 江苏新久化工设备制造有限公司 | Mixed feeding structure of acetic acid cracking furnace |
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Application publication date: 20210629 |