Uniform mixing device for catalyst processing

Abstract

The utility model relates to the technical field of mixing devices, in particular to a mixing device for catalyst processing, which comprises a mixing tank, a partition plate is arranged in the mixing tank and divides the mixing tank into an upper cavity and a lower cavity, a discharge pipe is arranged at an opening at the lower end of the lower cavity, and a stirring component is arranged in the upper cavity and comprises a rotatable rotating shaft. The rotating shaft is sleeved with a stirring barrel, the stirring barrel is arranged in a rotatable and liftable mode, a plurality of stirring blades are arranged on the stirring barrel, and a driving part is arranged on the rotating shaft and used for driving the stirring barrel to rotate and ascend and descend; a scraping and sweeping assembly is further arranged in the lower cavity and used for scraping and sweeping the side wall of the lower cavity. The stirring barrel is arranged in a rotatable and liftable mode, so that when the rotating shaft rotates, the stirring barrel and the stirring blades located on the stirring barrel can be driven to rotate and ascend and descend along with the stirring barrel, and compared with the prior art, liquid raw materials at different heights in the upper cavity can be mixed, so that a better mixing effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mixing device technical field, specifically, relate to a kind of mixing device for catalyst processing. BACKGROUND

[0002] The substance that can change the chemical reaction rate (increase or decrease) of reactant without changing chemical equilibrium in chemical reaction, and the mass and chemical property of itself are not changed before and after chemical reaction is called catalyst, catalyst is usually required to mix multiple raw materials used in processing process, so as to ensure that its ratio meets the demand, catalyst is various, and can be divided into liquid catalyst and solid catalyst according to state.

[0003] For example, the patent with the announcement number CN210159551U discloses a kind of liquid mixing device for catalyst preparation, although the mixing device can heat or cool mixed liquid to appropriate temperature while mixing liquid, facilitate the rapid progress of next reaction, it is simple to operate, save time, But when actually using, since the height of No. 1 rotating rod and No. 1 stirring piece located in the liquid mixing box is fixed, this leads to that No. 1 stirring piece can only mix the liquid at fixed height in liquid mixing box, and the mixing effect is general, so there is room for improvement. SUMMARY

[0004] The utility model aims at providing a kind of mixing device for catalyst processing, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of mixing device for catalyst processing, including mixing tank, mixing tank is equipped with baffle, baffle is divided into upper cavity and lower cavity by mixing tank, the lower end opening of lower cavity is equipped with discharge pipe, upper cavity is equipped with stirring assembly, stirring assembly includes rotatable rotating shaft, rotating shaft is equipped with stirring cylinder, stirring cylinder is rotatable and can be arranged, stirring cylinder is equipped with multiple stirring blades, rotating shaft is equipped with driving part, and driving part is used to drive stirring cylinder rotation and lifting;

[0007] Lower cavity is also equipped with scraping assembly, and scraping assembly is used to scrape the side wall of lower cavity, and the raw material in lower cavity is used to drive scraping assembly to work when being discharged through discharge pipe.

[0008] As preferred, positioning slot is oppositely arranged in the axial direction in stirring cylinder, and positioning key is slidably arranged in positioning slot on rotating shaft.

[0009] As preferred, the bottom end of the stirring cylinder is provided with an upper limiting disc; the driving member comprises a spring sleeved on the bottom end of the rotating shaft, the spring is used for pushing the upper limiting disc to move upward, the lower end of the top cover is provided with a convex ring, the convex ring is provided with a notch portion along the circumferential direction, the stirring cylinder is oppositely provided with a positioning rod located on the convex ring and the notch portion and sliding on the convex ring and the notch portion, and the positioning rod is located on the convex ring and the notch portion and slides on the convex ring and the notch portion to drive the stirring cylinder to lift.

[0010] As preferred, the scraping assembly comprises a fixed ring frame arranged in the lower cavity, the fixed ring frame is provided with a transmission shaft which extends into the discharge pipe and is rotatable, the transmission shaft which extends into the discharge pipe is provided with an impeller, and the transmission shaft is provided with a scraper, and the outer side wall of the scraper is arranged in close contact with the inner wall of the lower cavity.

[0011] As preferred, the lower side wall of the partition plate is provided with a limiting piece for limiting the scraper.

[0012] As preferred, the limiting piece comprises a limiting ring arranged on the lower side of the partition plate along the circumferential direction of the partition plate, the upper end of the scraper is provided with a limiting block, and the limiting block is provided with a limiting groove for sliding and clamping the limiting ring.

[0013] As preferred, the scraper is provided with a rubber pad close to the inner wall of the mixing cavity.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、 the utility model discloses, through rotatable and liftable setting of the stirring cylinder, when the rotating shaft rotates, the stirring cylinder and the stirring blade on it can be driven to rotate and lift, compared with the prior art, the stirring assembly in the application can mix liquid raw materials at different heights in the upper cavity, so that better mixing effect is achieved.

[0016] 2、 the utility model discloses, through the setting of the scraping assembly, when discharging the liquid catalyst raw material after mixing, the scraping assembly can scrape the side wall of the lower cavity, so as to reduce the liquid catalyst raw material attached to the side wall of the lower cavity and reduce the waste of liquid catalyst raw material. DRAWINGS

[0017] Figure 1 It is a structural schematic view of a catalyst processing uniform mixing device in the utility model.

[0018] Figure 2 It is a sectional view schematic view of a mixing tank in the utility model.

[0019] Figure 3 It is Figure 2 the enlarged schematic view of A in the utility model.

[0020] Figure 4 It is an explosion view of the rotating shaft and the stirring cylinder in the utility model.

[0021] Figure 5 It is a structure schematic view of the scraper and the transmission shaft in the utility model.

[0022] The meaning of each reference numeral in the figure is as follows:

[0023] 100, mixing tank; 101, top cover; 102, feed pipe; 103, motor; 104, discharge pipe; 110, support leg;

[0024] 200, mixing cavity; 210, transmission shaft; 211, scraper; 212, impeller; 213, fixed ring frame; 220, stirring barrel; 221, stirring blade; 230, partition plate;

[0025] 300, limiting block;

[0026] 400, rotating shaft; 401, positioning rod; 410, convex ring; 411, notch part;

[0027] 500, upper limiting disc; 501, positioning groove; 510, lower limiting disc; 511, material leakage opening; 520, positioning key; 521, spring. DETAILED DESCRIPTION

[0028] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings and examples. It should be understood that the examples are only used to explain the utility model and are not limited.

[0029] The following is combined with the Figures 1-5 The example is further described in detail.

[0030] Please refer to Figures 1-3 A kind of mixing device for catalyst processing in the example, including mixing tank 100, mixing tank 100 is equipped with the mixing cavity 200 of upper end opening, mixing cavity 200 is equipped with partition plate 230, partition plate 230 divides mixing cavity 200 into upper cavity and lower cavity, partition plate 230 is equipped with openable and closable valve, the upper end opening of upper cavity is equipped with top cover 101, the lower end opening of lower cavity is equipped with discharge pipe 104, upper cavity is equipped with stirring assembly, stirring assembly includes rotatable rotating shaft 400, rotating shaft 400 is equipped with stirring barrel 220, stirring barrel 220 can be rotatable and is arranged in lifting mode, stirring barrel 220 is equipped with multiple stirring blades 221, rotating shaft 400 is equipped with driving part, and driving part is used to drive stirring barrel 220 to rotate and lift.

[0031] Lower cavity is also equipped with scraping assembly, and the scraping assembly is used for scraping the side wall of the lower cavity, and the raw materials in the lower cavity are discharged through the discharge pipe 104 to drive the scraping assembly to work.

[0032] In this embodiment, the top cover 101 is provided with a feed pipe 102, and the partition plate 230 is provided with an openable and closable valve. Specifically, the valve can be an electromagnetic valve, and the opening and closing of the valve is used to realize the feeding of the raw materials in the upper cavity into the lower cavity. The top cover 101 is also provided with a motor 103 for driving the rotation of the rotating shaft 400. When the catalyst is processed, first, the valve on the partition plate 230 is closed, then the mixed liquid catalyst raw materials are added from the feed pipe 102 into the upper cavity, the motor 103 is started to drive the rotating shaft 400 to rotate, and the stirring drum 220 and the stirring blades 221 located thereon rotate and lift to mix the liquid raw materials at different heights in the upper cavity. After the mixing is completed, the valve in the partition plate 230 is opened, and the mixed liquid catalyst raw materials can be discharged from the discharge pipe 104 into the lower cavity. In this process, the flowing liquid catalyst raw materials can drive the scraping assembly to work, thereby scraping the side wall of the lower cavity.

[0033] The stirring drum 220 is rotatable and liftable, so that when the rotating shaft 400 rotates, it can drive the stirring drum 220 and the stirring blades 221 located thereon to rotate and lift. Compared with the prior art, the stirring assembly of the embodiment can mix the liquid raw materials at different heights in the upper cavity to achieve better mixing effect.

[0034] The scraping assembly is provided, which can scrape the side wall of the lower cavity when discharging the mixed liquid catalyst raw materials, thereby reducing the liquid catalyst raw materials attached to the side wall of the lower cavity and reducing the waste of the liquid catalyst raw materials.

[0035] Specifically, the bottom end of the stirring drum 220 is provided with a plurality of legs 110 along the circumference thereof, which can support the stirring drum 220 and lift the bottom end of the stirring drum 220, so that the discharge pipe 104 can be connected with the external pipeline.

[0036] As shown in the combination Figures 2-5 In this embodiment, the stirring drum 220 is provided with a positioning groove 501 in the axial direction thereof, and the rotating shaft 400 is provided with a positioning key 520 sliding in the positioning groove 501.

[0037] In this embodiment, when the rotating shaft 400 rotates, the stirring drum 220 sleeved outside the rotating shaft 400 can rotate, thereby driving the stirring blades 221 to mix the liquid catalyst raw materials in the upper cavity.

[0038] As shown in the combination Figures 2-5As shown, in the embodiment, the bottom end of the stirring cylinder 220 is provided with an upper limiting disc 500; the driving member includes a spring 521 sleeved on the bottom end of the rotating shaft 400, the spring 521 is used for pushing the upper limiting disc 500 to move upward, the lower end of the top cover 101 is provided with a convex ring 410, the convex ring 410 is provided with a notch part 411 along the circumference thereof, the stirring cylinder 220 is oppositely provided with a positioning rod 401 located on the convex ring 410 and the notch part 411 for sliding, the positioning rod 401 is located on the convex ring 410 and the notch part 411 for sliding for driving the stirring cylinder 220 to lift.

[0039] In the embodiment, the notch part 411 includes an inclined groove, a horizontal part and a vertical part which are communicated with each other, when the stirring cylinder 220 rotates with the rotating shaft 400, under the action of the pushing force of the spring 521, the positioning rod 401 rotates from the convex ring 410 to the horizontal part through the vertical part, the stirring cylinder 220 and the stirring blade 221 move upward, the stirring cylinder 220 continuously rotates, the positioning rod 401 slides on the horizontal part and rotates to the convex ring 410 through the inclined groove, at this time, the stirring cylinder 220 moves downward and drives the upper limiting disc 500 to compress the spring 521, the process is repeatedly to make the stirring cylinder 220 and the stirring blade 221 continuously rotate and lift.

[0040] In combination Figures 2-5 As shown, in the embodiment, the scraping assembly includes a fixed ring frame 213 arranged in the lower cavity, the fixed ring frame 213 is provided with a transmission shaft 210 which extends into the discharge pipe 104 and can rotate, the transmission shaft 210 which extends into the discharge pipe 104 is provided with an impeller 212, the transmission shaft 210 is provided with a scraper 211, the outer side wall of the scraper 211 is arranged in close contact with the inner wall of the lower cavity.

[0041] In the embodiment, the mixed liquid catalyst raw material falls into the lower cavity from the upper cavity and is discharged from the discharge pipe 104, in this process, the flowing liquid catalyst raw material can drive the impeller 212 to rotate, and then drive the transmission shaft 210 and the scraper 211 to rotate, the scraper 211 can scrape the inner wall of the lower cavity;

[0042] In the embodiment, in order to make the rotation of the scraper 211 in the lower cavity more stable, the lower side wall of the partition plate 230 is provided with a limiting member for limiting the scraper 211, through the arrangement of the limiting member, the transmission shaft 210 and the scraper 211 are limited when rotating, and then the scraper 211 can be ensured to be in close contact with the inner wall of the mixing cavity 200.

[0043] In combination Figures 2-5 As shown, in the embodiment, the limiting member includes a limiting ring arranged on the lower side of the partition plate 230 along the circumference thereof, the upper end of the scraper 211 is provided with a limiting block 300, the limiting block 300 is provided with a limiting groove for the limiting ring to slide and be clamped.

[0044] In the embodiment, the scraper 211 can be limited in rotation by the limiting ring, the limiting block 300 and the limiting groove, and the side wall of the scraper 211 can be attached to the mixing cavity 200.

[0045] Specifically, in order to prevent the scraper 211 from being abraded when contacting the side wall of the mixing cavity 200, the scraper 211 is provided with a rubber pad near the inner wall of the mixing cavity 200, and the rubber pad can reduce abrasion of the scraper 211 and the side wall of the mixing cavity 200 when the scraper 211 rotates.

[0046] The transmission shaft 210 is rotatably installed on the fixed ring frame 213 by a bearing.

[0047] In actual use, first, the valve on the partition plate 230 is closed, then the mixed liquid catalyst raw materials are added into the mixing cavity 200 from the feeding pipe 102, the motor 103 is started to drive the rotating shaft 400 to rotate, the stirring drum 220 and the stirring blade 221 on the stirring drum 220 rotate and lift to mix the liquid raw materials at different heights in the upper cavity, after the mixing is completed, the valve in the partition plate 230 is opened, and the mixed liquid catalyst raw materials in the lower cavity can be discharged from the discharge pipe 104, in the process, the flowing liquid catalyst raw materials can drive the scraping assembly to rotate, and the side wall of the lower cavity is scraped.

[0048] In summary, the above only describes the preferred embodiments of the present application, and any changes and modifications made within the scope of the present application should be included in the scope of the present application.

Claims

1. A mixing device for catalyst processing, comprising a mixing tank (100), a partition (230) is arranged in the mixing tank (100), the partition (230) divides the mixing tank (100) into an upper cavity and a lower cavity, a discharge pipe (104) is arranged at the lower end opening of the lower cavity, characterized in that: The upper cavity is internally provided with a stirring assembly, the stirring assembly comprises a rotatable rotating shaft (400), the rotating shaft (400) is externally provided with a stirring cylinder (220), the stirring cylinder (220) is rotatable and liftable, a plurality of stirring blades (221) are arranged on the stirring cylinder (220), a driving member is arranged on the rotating shaft (400), and the driving member is used for driving the stirring cylinder (220) to rotate and lift. The lower cavity is also provided with a scraping assembly, the scraping assembly is used for scraping the side wall of the lower cavity, and the driving member is used for driving the scraping assembly to work when the raw materials in the lower cavity are discharged through the discharge pipe (104).

2. A catalyst processing homogenizer according to claim 1, characterized in that: The stirring cylinder (220) is internally provided with a positioning groove (501) in the axial direction, and the rotating shaft (400) is provided with a positioning key (520) slidingly arranged in the positioning groove (501).

3. A catalyst processing homogenizer according to claim 2, characterized in that: The bottom end of the stirring cylinder (220) is provided with an upper limiting disc (500), the driving member comprises a spring (521) arranged on the bottom end of the rotating shaft (400), the spring (521) is used for pushing the upper limiting disc (500) to move upwards, the lower end of the top cover (101) is provided with a convex ring (410), the convex ring (410) is provided with a notch portion (411) in the circumferential direction, the stirring cylinder (220) is oppositely provided with a positioning rod (401) slidingly arranged in the convex ring (410) and the notch portion (411), and the positioning rod (401) is slidingly arranged in the convex ring (410) and the notch portion (411) to drive the stirring cylinder (220) to lift.

4. A catalyst processing homogenizer according to claim 3, characterized in that: The scraping assembly comprises a fixed ring frame (213) arranged in the lower cavity, the fixed ring frame (213) is provided with a driving shaft (210) extending into the discharge pipe (104) and being rotatable, the driving shaft (210) extending into the discharge pipe (104) is provided with an impeller (212), the driving shaft (210) is provided with a scraper (211), and the outer side wall of the scraper (211) is arranged in close contact with the inner wall of the lower cavity.

5. A catalyst processing homogenizer according to claim 4, characterized in that: The lower side wall of the partition plate (230) is provided with a limiting member for limiting the scraper (211).

6. A catalyst processing homogenizer according to claim 5 wherein: The limiting member comprises a limiting ring arranged on the lower side of the partition plate (230) in the circumferential direction, the upper end of the scraper (211) is provided with a limiting block (300), and the limiting block (300) is provided with a limiting groove for slidingly clamping the limiting ring.

7. A catalyst processing homogenizer according to claim 5 wherein: The scraper (211) is provided with a rubber pad close to the inner wall of the mixing cavity (200).

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