CN210303600U - Preparation facilities of aluminium trioxide immobilized catalyst - Google Patents
Preparation facilities of aluminium trioxide immobilized catalyst Download PDFInfo
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- CN210303600U CN210303600U CN201921040030.XU CN201921040030U CN210303600U CN 210303600 U CN210303600 U CN 210303600U CN 201921040030 U CN201921040030 U CN 201921040030U CN 210303600 U CN210303600 U CN 210303600U
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Abstract
The utility model discloses a preparation facilities of aluminium trioxide immobilized catalyst relates to catalyst preparation technical field. The utility model discloses a fabric board: step holes are uniformly distributed on the surface of the distribution plate; a ventilation pipe assembly is fixedly connected in the step hole; the air pipe assembly comprises a fixed pipe, a sleeve and a sealing cover. The utility model solves the problems that the prior airflow is easy to generate turbulence through sieve pores, so that the suspension carrier or raw materials are locally accumulated on the distribution plate, and the preparation efficiency and the finished product quality are influenced by arranging the fixed pipe and using the retaining ring of the sleeve to block the airflow to blow off the sediment on the surface of the distribution plate through the side air outlet; through setting up the closing cap, solved current when stopping reacting, the catalyst easily falls into the distribution plate below through the sieve hole, causes the extravagant problem of catalyst.
Description
Technical Field
The utility model belongs to the technical field of the catalyst preparation, especially, relate to a preparation facilities of aluminium trioxide immobilized catalyst.
Background
Prior art use of nitrogen to convert gaseous AlCl3Carried to a catalyst carrier of a fixed bed for immobilization. There are some problems with fixed beds: such as poor heat transfer of solid particles, non-uniform bed temperature, AlCl3Expanding on fixed bed carriersThe dispersion is difficult, the loss of hydroxyl groups and the change of the crystal form of the carrier are caused by local overheating, so that the catalyst product loading is low, the product quality cannot be ensured, and the catalyst technology of fixed bed immobilization is difficult to realize industrial production. Therefore, the invention CN201510227304.6 in China provides a fluidized bed production device of an aluminum trichloride immobilized catalyst, which ensures that solid particles with different sizes are in a suspension state in a fluidized bed space by using a cone and sieve mesh composite distribution plate, avoids the sedimentation of over-large particles and the escape of over-small particles, and ensures that AlCl3 obtains better immobilization on carrier particles.
When the cone in the device and the sieve pores on the sieve pore composite distribution plate are always in a through state, the reaction is stopped to obtain a finished catalyst, and the catalyst falls below the distribution plate through the sieve pores to cause the waste of the catalyst; meanwhile, when the airflow passes through the sieve holes, turbulence is easy to occur, so that part of the suspended carriers or the reacted raw materials are locally accumulated on the distribution plate, the condition of insufficient reaction is caused, and the preparation efficiency and the quality of the finished catalyst are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a preparation facilities of aluminium trioxide solid-supported catalyst, through setting up the fixed tube, utilize the retaining ring of sheathed tube to block to make the air current blow off the deposit on the distribution plate surface by the side air outlet, solved current air current and easily appeared the torrent through the sieve mesh, lead to the suspension carrier or raw materials to pile up on the distribution plate locally, influence the problem of preparation efficiency and finished product quality; through setting up the closing cap, solved current when stopping reacting, the catalyst easily falls into the distribution plate below through the sieve hole, causes the extravagant problem of catalyst.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a preparation device of an aluminum trioxide immobilized catalyst, which comprises a distribution plate; a plurality of step holes are uniformly distributed on the surface of the distribution plate; the step hole is internally and fixedly connected with a ventilation pipe assembly;
the ventilation pipe assembly comprises a fixed pipe, a sleeve and a sealing cover; the peripheral side surface of the fixed pipe is matched with the inner surface of the stepped hole; side air outlets are circumferentially arrayed at one end of the peripheral side surface of the fixed tube, which is close to the distribution plate; the peripheral side surface of the fixed pipe is symmetrically provided with connecting holes relative to the axis;
the peripheral side surface of the sleeve is matched with the inner surface of the fixed pipe; the inner wall of the sleeve is fixedly connected with a check ring; waist-shaped holes are symmetrically formed in the peripheral side surface of the sleeve relative to the axis; the waist-shaped hole is arranged along the axial direction of the sleeve; the inner side surface of the upper end of the sleeve is provided with a bayonet; the inner top surface of the bayonet is in transition connection with the inner top surface of the waist-shaped hole through a curved surface;
the peripheral side surface of the sealing cover is matched with the inner surface of the sleeve; the peripheral side of the sealing cover is symmetrically and fixedly connected with a rotating shaft matched with the connecting hole;
the peripheral side surface of the rotating shaft is in clearance fit with the waist-shaped hole; the circumferential side surface of the rotating shaft is fixedly connected with a clamping block relative to the bayonet; the width of the clamping block is less than or equal to the width of the waist-shaped hole.
Furthermore, the side air outlet is positioned above the distribution plate; the opening direction of the side air outlet is obliquely arranged from inside to outside towards the distribution plate.
Further, the lower surface of the retainer ring is flush with the lower end surface of the sleeve.
Furthermore, one side surface of the clamping block is of an arc-shaped structure.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up fixed pipe and sleeve pipe cooperation, blow off the distribution plate surface through utilizing the side air outlet on the fixed pipe, the effectual easy raw materials circumstances of piling up that produces of distribution plate surface takes place.
2. The utility model discloses set up sleeve pipe and closing cap, when stopping blowing, utilize the sleeve pipe to descend and carry out the shutoff to the side air outlet, the effectual finished product catalyst of having avoided piles up on the distributing plate, the distributing plate below of entering is easily passed through the side air outlet, cause the extravagant condition to take place, and simultaneously, it rotates to cover the sleeve pipe mouth of pipe through the sleeve pipe descends and closes to drive the closing cap, avoided the finished product catalyst to take place from the condition of sleeve pipe interior entering distributing plate below, further the waste of finished product catalyst has been reduced, the cost is practiced thrift to the preparation efficiency of improvement.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an apparatus for preparing an aluminum trioxide supported catalyst according to the present invention;
FIG. 2 is a schematic structural view of the vent assembly;
FIG. 3 is a schematic bottom view of the structure of FIG. 2;
FIG. 4 is a schematic structural view of the bushing;
fig. 5 is a schematic structural view of the closure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1, the present invention relates to a device for preparing an aluminum trioxide supported catalyst, which comprises a distribution plate 1; a plurality of step holes are uniformly distributed on the surface of the distribution plate 1; a ventilation pipe component 2 is fixedly connected in the step hole;
as shown in fig. 2 and 3, the air duct assembly 2 includes a fixing tube 201, a sleeve 202, and a cover 203; the peripheral side surface of the fixed pipe 201 is matched with the inner surface of the step hole, and the inner diameter of the fixed pipe 201 is equal to the smaller inner diameter of the step hole, so that the ventilation smoothness is improved; a side air outlet 2011 is circumferentially arrayed at one end of the peripheral side surface of the fixed tube 201 close to the distribution plate 1; the peripheral side surface of the fixed pipe 201 is symmetrically provided with connecting holes relative to the axis;
the side air outlet 2011 is located above the distribution plate 1; the opening direction of the side outlet 2011 is inclined from the inside to the outside toward the distribution plate 1, so that the airflow blown out from the side outlet 2011 blows off the surface of the distribution plate 1.
As shown in fig. 3 and 4, the peripheral side surface of the sleeve 202 is fitted to the inner surface of the fixing tube 201; the inner wall of the sleeve 202 is fixedly connected with a retainer ring 2021; the peripheral side surface of the sleeve 202 is symmetrically provided with waist-shaped holes 2022 relative to the axis; the waist-shaped hole 2022 is axially arranged along the sleeve 202; a bayonet 2023 is arranged on the inner side surface of the upper end of the sleeve 202; the inner top surface of the bayonet 2023 is in transitional connection with the inner top surface of the waist-shaped hole 2022 through a curved surface;
wherein, retaining ring 2021 lower surface flushes with sleeve pipe 202 lower terminal surface, and when the air current was blown up by distribution plate 1 below, retaining ring 2021 had improved sleeve pipe 202's windage, made sleeve pipe 202 lifted up, made sleeve pipe 202 lower terminal surface be higher than side air outlet 2011 to make the air current blow out by side air outlet 2011, retaining ring 2021 lower surface flushes with sleeve pipe 202 lower terminal surface, under the blockking of retaining ring 2021, can improve the air current by the volume of blowing out of side air outlet 2011, improvement cleaning efficiency.
When the reaction is completed and the air flow stops, the sleeve 202 descends to block the side air outlet 2011, so that the condition that the finished catalyst enters the lower part of the distribution plate 1 from the side air outlet 2011 is avoided, and the waste of the finished catalyst is avoided.
As shown in fig. 5, the peripheral side of the cap 203 mates with the inner surface of the sleeve 202; the peripheral side surface of the sealing cover 203 is symmetrically and fixedly connected with a rotating shaft 2301 matched with the connecting hole;
the peripheral side surface of the rotating shaft 2301 is in clearance fit with the waist-shaped hole 2022; a clamping block 2032 is fixedly connected on the circumferential side surface of the rotating shaft 2301 opposite to the bayonet 2023; the width of the fixture block 2032 is less than or equal to the width of the waist-shaped hole 2022.
When the sleeve 202 ascends, the fixture block 2032 is pushed to rotate under the action of the inner bottom surface of the bayonet 2023, so that the sealing cover 203 is driven to rotate, the fixture block 2032 enters the waist-shaped hole 2022, so that the sealing cover 203 is in a vertical state, airflow can conveniently pass through, when the sleeve 202 descends, the fixture block 2032 contacts the inner top surface of the waist-shaped hole 2022, the fixture block 2032 rotates to slide into the bayonet 2023 under the action of a transition curved surface, so that the sealing cover 203 is restored to a horizontal state, the pipe orifice of the sleeve 202 is covered, the condition that a finished catalyst enters the lower part of the distribution plate 1 from the inside of the sleeve 202 is avoided, the waste of the finished catalyst is further reduced, the preparation efficiency is improved, and the cost is saved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A preparation device of an aluminum trioxide immobilized catalyst comprises a distribution plate (1); the method is characterized in that: a plurality of step holes are uniformly distributed on the surface of the distribution plate (1); a ventilation pipe assembly (2) is fixedly connected in the step hole;
the air duct assembly (2) comprises a fixed duct (201), a sleeve (202) and a cover (203); the peripheral side surface of the fixed pipe (201) is matched with the inner surface of the step hole; side air outlets (2011) are circumferentially arrayed at one end of the peripheral side surface of the fixed pipe (201) close to the distribution plate (1); the peripheral side surface of the fixed pipe (201) is symmetrically provided with connecting holes relative to the axis;
the peripheral side surface of the sleeve (202) is matched with the inner surface of the fixed pipe (201); a retainer ring (2021) is fixedly connected to the inner wall of the sleeve (202); waist-shaped holes (2022) are symmetrically formed in the peripheral side surface of the sleeve (202) relative to the axis; the waist-shaped hole (2022) is arranged along the axial direction of the sleeve (202); a bayonet (2023) is arranged on the inner side surface of the upper end of the sleeve (202); the inner top surface of the bayonet (2023) is in transition connection with the inner top surface of the waist-shaped hole (2022) through a curved surface;
the peripheral side surface of the cover (203) is matched with the inner surface of the sleeve (202); the peripheral side surface of the sealing cover (203) is symmetrically and fixedly connected with a rotating shaft (2301) matched with the connecting hole;
the peripheral side surface of the rotating shaft (2301) is in clearance fit with the waist-shaped hole (2022); a clamping block (2032) is fixedly connected on the circumferential side surface of the rotating shaft (2301) opposite to the bayonet (2023); the width of the clamping block (2032) is less than or equal to the width of the waist-shaped hole (2022).
2. The device for preparing the aluminum trioxide supported catalyst according to claim 1, wherein the side air outlet (2011) is positioned above the distribution plate (1); the opening direction of the side air outlet (2011) is obliquely arranged from inside to outside towards the direction of the distribution plate (1).
3. The apparatus for preparing the aluminum trioxide supported catalyst as claimed in claim 1, wherein the lower surface of the retainer ring (2021) is flush with the lower end surface of the sleeve (202).
4. The apparatus for preparing the aluminum trioxide supported catalyst as claimed in claim 1, wherein one side surface of the block (2032) has a circular arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040030.XU CN210303600U (en) | 2019-07-05 | 2019-07-05 | Preparation facilities of aluminium trioxide immobilized catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040030.XU CN210303600U (en) | 2019-07-05 | 2019-07-05 | Preparation facilities of aluminium trioxide immobilized catalyst |
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| CN210303600U true CN210303600U (en) | 2020-04-14 |
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| CN201921040030.XU Active CN210303600U (en) | 2019-07-05 | 2019-07-05 | Preparation facilities of aluminium trioxide immobilized catalyst |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117434873A (en) * | 2023-12-11 | 2024-01-23 | 沾化立诚精细化工有限公司 | Intelligent control system of aluminum trichloride preparation device |
-
2019
- 2019-07-05 CN CN201921040030.XU patent/CN210303600U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117434873A (en) * | 2023-12-11 | 2024-01-23 | 沾化立诚精细化工有限公司 | Intelligent control system of aluminum trichloride preparation device |
| CN117434873B (en) * | 2023-12-11 | 2024-03-08 | 沾化立诚精细化工有限公司 | Intelligent control system of aluminum trichloride preparation device |
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