CN214810791U

CN214810791U - Methanol-to-olefin catalyst crystallization reaction device

Info

Publication number: CN214810791U
Application number: CN202120103997.9U
Authority: CN
Inventors: 杨卫兵; 王毅; 杨逢良
Original assignee: Shandong Yutai Chemical Co ltd
Current assignee: Shandong Yutai Chemical Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-23
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a methyl alcohol system olefin catalyst crystallization reaction unit, including crystallization cauldron and the kettle cover of connection on it, crystallization cauldron's bottom is connected with the supporting leg, crystallization cauldron's bottom is connected with the discharging pipe, upper end one side of kettle cover is equipped with the inlet pipe, the vertical pivot of being connected rather than rotating that runs through in kettle cover upper end middle part, the lower extreme fixedly connected with (mixing) shaft of pivot, be equipped with the stirring leaf on the lateral wall of (mixing) shaft, two fixed plates of lower terminal surface fixedly connected with of kettle cover, and two fixed plate symmetries set up the both sides in the pivot, be equipped with on the fixed plate and dial material mechanism, the upper end middle part fixedly connected with mount of kettle cover. The utility model discloses can be with material intensive mixing reaction in the crystallization cauldron to constantly stir the material of the inboard outer fringe of crystallization cauldron to the inboard, and then improve material stirring participation, improve stirring efficiency and catalyst crystallization reaction effect.

Description

Methanol-to-olefin catalyst crystallization reaction device

Technical Field

The utility model relates to a catalyst production technical field especially relates to a methanol-to-olefin catalyst crystallization reaction device.

Background

The methanol-to-olefin process is a process for catalytically converting methanol into ethylene and propylene, and the methanol-to-olefin technology is a pivotal technology of a coal-to-olefin process route, so that the basic organic chemical raw materials are produced from coal or natural gas through methanol. The coal-to-olefin route in China is an important supplement to the traditional route for preparing olefin by taking petroleum as a raw material, and is also an effective way for realizing the extension development of the coal chemical industry to the petrochemical industry.

Catalyst is needed in the catalytic reaction process of preparing olefin from methanol, crystallization reaction is needed in the catalyst production process, the crystallization reaction is generally carried out in the conventional crystallization kettle, but in the use of the conventional crystallization kettle, the stirring mode is single, so that the materials at the inner edge of the crystallization kettle are difficult to be fully mixed, and the crystallization reaction efficiency and effect are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a methanol-to-olefin catalyst crystallization reaction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a methyl alcohol system olefin catalyst crystallization reaction unit, includes crystallization kettle and connects the kettle cover on it, crystallization kettle's bottom is connected with the supporting leg, crystallization kettle's bottom is connected with the discharging pipe, upper end one side of kettle cover is equipped with the inlet pipe, the vertical pivot of being connected rather than rotating that runs through in kettle cover upper end middle part, the lower extreme fixedly connected with (mixing) shaft of pivot, be equipped with the stirring leaf on the lateral wall of (mixing) shaft, two fixed plates of lower terminal surface fixedly connected with of kettle cover, and two fixed plate symmetries set up the both sides in the pivot, be equipped with on the fixed plate and dial material mechanism, the upper end middle part fixedly connected with mount of kettle cover, the motor is installed to the mount upper end, motor output shaft end runs through mount and fixed connection in the pivot upper end downwards.

Preferably, dial material mechanism and run through the movable rod that sets up on the fixed plate including the level, and movable rod and fixed plate sliding connection, the movable rod is close to pivot one end fixedly connected with rack, the fixed cover has connect the drive wheel in the pivot, the symmetry is equipped with two arc teeth on the lateral wall of drive wheel, rack and arc tooth meshing, the movable rod is close to pivot one side cover and is equipped with the spring, the both ends of spring are connected respectively on movable rod, fixed plate, the one end fixedly connected with connecting rod of rack is kept away from to the movable rod, the vertical plectrum of fixedly connected with on the connecting rod.

Preferably, the plectrum piece is of a V-shaped structure.

Preferably, the stirring blade is integrally formed with the stirring shaft.

Preferably, the lower end of the stirring shaft is fixedly connected with a scraping blade, and the scraping blade is in contact with the inner wall of the crystallization kettle.

Preferably, the wiper blade is of a U-shaped configuration.

The utility model has the advantages that:

through setting up motor, pivot, (mixing) shaft, starter motor, the drive pivot is rotated, drives the (mixing) shaft and rotates, and then drives stirring leaf material and stir the reaction.

Through setting up the stirring mechanism, when the pivot rotates, it rotates to drive the drive wheel, drive rack removal when arc tooth on the drive wheel and rack toothing, and then drive movable rod lateral shifting and compression spring, drive stirring plate lateral shifting through the connecting rod, when arc tooth on the drive wheel and rack are not meshed, the movable rod moves under the spring action of spring and resets, can drive stirring plate lateral reciprocating motion, and then constantly stir the inboard to the inside with the material of the inboard outer fringe of crystallization kettle, and then improve material stirring participation, improve stirring efficiency and stirring effect.

Through setting up the doctor-bar, when the (mixing) shaft rotated, can drive the doctor-bar and rotate, scraped the material of adhesion on crystallization cauldron inner wall and participated in the stirring reaction, and then avoided the material adhesion extravagant, and improved reaction effect.

The utility model discloses can be with material intensive mixing reaction in the crystallization cauldron to constantly stir the material of the inboard outer fringe of crystallization cauldron to the inboard, and then improve material stirring participation, improve stirring efficiency and catalyst crystallization reaction effect.

Drawings

FIG. 1 is a schematic structural diagram of a methanol-to-olefin catalyst crystallization reactor according to the present invention;

FIG. 2 is a schematic structural diagram of a driving wheel and a rack of a crystallization reaction device for preparing olefin from methanol;

fig. 3 is a schematic structural diagram of a material stirring sheet of a methanol-to-olefin catalyst crystallization reaction apparatus provided by the present invention.

In the figure: 1 crystallization kettle, 2 kettle covers, 3 fixed frames, 4 motors, 5 fixed plates, 6 feeding pipes, 7 springs, 8 movable rods, 9 connecting rods, 10 stirring pieces, 11 rotating shafts, 12 stirring shafts, 13 stirring blades, 14 scraping blades, 15 supporting legs, 16 discharging pipes, 17 racks and 18 driving wheels.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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. 1-3, a methanol-to-olefin catalyst crystallization reaction device comprises a crystallization kettle 1 and a kettle cover 2 connected thereto, wherein the bottom of the crystallization kettle 1 is connected with supporting legs 15, the bottom of the crystallization kettle 1 is connected with a discharging pipe 16, one side of the upper end of the kettle cover 2 is provided with a feeding pipe 6, the middle part of the upper end of the kettle cover 2 is vertically penetrated with a rotating shaft 11 rotationally connected therewith, the lower end of the rotating shaft 11 is fixedly connected with a stirring shaft 12, the side wall of the stirring shaft 12 is provided with stirring blades 13, the stirring blades 13 and the stirring shaft 12 are integrally formed, the lower end surface of the kettle cover 2 is fixedly connected with two fixing plates 5, and two 5 symmetry settings of fixed plate are in the both sides of pivot 11, are equipped with on the fixed plate 5 and dial material mechanism, and the upper end middle part fixedly connected with mount 3 of kettle cover 2, and motor 4 is installed to mount 3 upper end, and motor 4 output shaft end runs through mount 3 and fixed connection in the pivot 11 upper end downwards.

The utility model discloses in, dial material mechanism and run through the movable rod 8 that sets up on fixed plate 5 including the level, and

movable rod

8 and 5 sliding connection of fixed plate, movable rod 8 is close to 11 one end fixedly connected with racks 17 of pivot, it has drive wheel 18 to fix the cover in the pivot 11, the symmetry is equipped with two arc teeth on drive wheel 18's the lateral wall, rack 17 and arc tooth meshing, movable rod 8 is close to 11 one side covers of pivot and is equipped with spring 7, spring 7's both ends are connected respectively at movable rod 8, on the fixed plate 5, rack 17's one end fixedly connected with connecting rod 9 is kept away from to movable rod 8, the vertical plectrum piece 10 of fixedly connected with on the connecting rod 9, plectrum piece 10 is the V-arrangement structure, the V-arrangement structure makes plectrum piece 10 resistance when removing to the inboard edge of crystallization cauldron 1 less, and when removing at crystallization cauldron 1 inside center, stir to inboard participation stirring with more materials.

Further, the lower extreme fixedly connected with doctor-bar 14 of (mixing) shaft 12, doctor-bar 14 and crystallization kettle 1's inner wall contact, doctor-bar 14 are U type structure, and when (mixing) shaft 12 rotated, can drive doctor-bar 14 and rotate, scraped the material of adhesion on crystallization kettle 1 inner wall and participated in the stirring reaction, and then avoided the material adhesion extravagant, and improved the reaction effect.

When the utility model is used, materials are added into the crystallization kettle 1 through the feeding pipe 6, the motor 4 is started to drive the rotating shaft 11 to rotate and drive the stirring shaft 12 to rotate, further driving the stirring blade 13 to stir and react, when the rotating shaft 11 rotates, driving the driving wheel 18 to rotate, when the arc-shaped teeth on the driving wheel 18 are meshed with the rack 17, driving the rack 17 to move, thereby driving the movable rod 8 to move transversely and compressing the spring 7, driving the material stirring sheet 10 to move transversely through the connecting rod 9, when the arc-shaped teeth on the driving wheel 18 are not meshed with the rack 17, the movable rod 8 moves and resets under the elastic force of the spring 7, the stirring sheet 10 can be driven to move transversely and reciprocally, and the material on the outer edge of the inner side of the crystallization kettle 1 is stirred towards the inner side continuously, and then improve material stirring participation degree, improve stirring efficiency and stirring effect, after the crystallization reaction is accomplished, discharge the finished product through discharging pipe 16.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a methanol-to-olefin catalyst crystallization reaction device, includes crystallization kettle (1) and kettle cover (2) of connection on it, its characterized in that, the bottom of crystallization kettle (1) is connected with supporting leg (15), the bottom of crystallization kettle (1) is connected with discharging pipe (16), upper end one side of kettle cover (2) is equipped with inlet pipe (6), kettle cover (2) upper end middle part is vertical to run through and is equipped with pivot (11) rather than the rotation is connected, the lower extreme fixedly connected with (mixing) shaft (12) of pivot (11), be equipped with stirring leaf (13) on the lateral wall of (mixing) shaft (12), the lower terminal surface fixedly connected with of kettle cover (2) has two fixed plates (5), and two fixed plate (5) symmetry sets up the both sides in pivot (11), be equipped with on fixed plate (5) and dial material mechanism, the upper end middle part fixedly connected with mount (3) of kettle cover (2), the motor (4) is installed to mount (3) upper end, motor (4) output shaft end runs through mount (3) and fixed connection in pivot (11) upper end downwards.

2. The crystallization reaction device of catalyst for preparing olefin from methanol as claimed in claim 1, the material poking mechanism comprises a movable rod (8) which is horizontally arranged on the fixed plate (5) in a penetrating way, the movable rod (8) is connected with the fixed plate (5) in a sliding way, one end of the movable rod (8) close to the rotating shaft (11) is fixedly connected with a rack (17), a driving wheel (18) is fixedly sleeved on the rotating shaft (11), two arc-shaped teeth are symmetrically arranged on the side wall of the driving wheel (18), the rack (17) is meshed with the arc-shaped teeth, one side of the movable rod (8) close to the rotating shaft (11) is sleeved with a spring (7), two ends of the spring (7) are respectively connected with the movable rod (8) and the fixed plate (5), one end of the movable rod (8) far away from the rack (17) is fixedly connected with a connecting rod (9), the connecting rod (9) is fixedly connected with a vertical material shifting sheet (10).

3. The methanol to olefin catalyst crystallization reaction device of claim 2, wherein the poke sheet (10) is of a V-shaped structure.

4. The crystallization reaction device of the catalyst for preparing olefin from methanol as claimed in claim 1, wherein the stirring blade (13) and the stirring shaft (12) are integrally formed.

5. The crystallization reaction device of the catalyst for preparing olefin from methanol as claimed in claim 1, wherein the lower end of the stirring shaft (12) is fixedly connected with a scraper (14), and the scraper (14) is in contact with the inner wall of the crystallization kettle (1).

6. The crystallization reaction device of a catalyst for preparing olefin from methanol as claimed in claim 5, wherein the scraping sheet (14) has a U-shaped structure.