CN215783952U

CN215783952U - Grinder is used in production of Ru base catalyst

Info

Publication number: CN215783952U
Application number: CN202023036018.7U
Authority: CN
Inventors: 范寒寒; 朱久娟; 孙兵; 吴静
Original assignee: China University of Geosciences Beijing
Current assignee: China University of Geosciences Beijing
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-02-11
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a grinding device for producing a Ru-based catalyst, and relates to the technical field of catalyst grinding. The grinding box comprises a grinding box, wherein the upper surface of the grinding box is fixedly communicated with a feed hopper, the rear end surface of the grinding box is fixedly connected with a rotating motor, the rotating motor is connected with a rotating shaft, one end of the rotating shaft extends into the grinding box, a main roller is sleeved on the outer surface of the rotating shaft, two auxiliary rollers are arranged in the grinding box, the main roller and the auxiliary rollers are meshed and connected through tooth blocks, two side walls of the grinding box are fixedly connected with sliding rods, a screening plate is arranged between the inner walls of the two sides of the grinding box, the sliding rods penetrate through the side walls of the screening plate and are in sliding connection with the screening plate, a reset spring is sleeved on the outer surface of each sliding rod, the upper surface of the screening plate is fixedly connected with a jacking block, and the jacking block is meshed and connected with the tooth blocks on the outer surface of the auxiliary rollers. The utility model solves the problems that the existing grinding device is difficult to shake the screening plate during grinding and is easy to cause the blockage of the screening plate.

Description

Grinder is used in production of Ru base catalyst

Technical Field

The utility model belongs to the technical field of catalyst grinding, and particularly relates to a grinding device for producing a Ru-based catalyst.

Background

The cathode reaction of the water electrolysis device is a hydrogen evolution process, which is limited by a large overpotential and a slow kinetic process, a high-efficiency electrocatalyst is needed, platinum (Pt) is the most excellent hydrogen evolution catalyst acknowledged in acidic or alkaline electrolytes, however, the popularization of the Pt-based catalyst in the field of hydrogen production by electrolysis is severely limited by expensive price and scarce resources, so that the search for and development of a hydrogen evolution catalyst with high activity, high stability and relatively low cost becomes particularly important, ruthenium (Ru) has hydrogen binding energy (65kcalmol-1) similar to Pt as the cheapest element in the Pt group, and thus the Ru-based catalyst is expected to become a novel catalyst for replacing Pt in the field of hydrogen evolution by electrolysis.

Ru base catalyst need grind the processing to it in the use, however most grinder screening plate is fixed setting when grinding and filtering, is difficult to shake the processing to the screening plate, and the back screening plate easily causes the jam long-term time to influence the screening filter effect of device, influence the grinding production effect of Ru base catalyst, brought very big inconvenience.

In order to solve the problems, the utility model provides a grinding device for producing a Ru-based catalyst.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding device for producing a Ru-based catalyst, which solves the problems that the existing grinding device is difficult to shake a screening plate during grinding and the screening plate is easy to block.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a grinding device for producing Ru-based catalyst, which comprises a grinding box, wherein the upper surface of the grinding box is fixedly communicated with a feed hopper, the front end surface of the grinding box is rotatably connected with a rotating door through a hinge, the rear end surface of the grinding box is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft extends into the grinding box, the outer surface of the rotating shaft is sleeved with a main roller, the grinding box is rotatably connected with two auxiliary rollers which are symmetrically arranged relative to the main roller, the outer surfaces of the main roller and the auxiliary rollers are fixedly connected with a plurality of uniformly distributed gear blocks, the main roller and the auxiliary rollers are meshed and connected through the gear blocks, two side walls of the grinding box are fixedly connected with sliding rods, a screening plate is arranged between the inner walls at two sides of the grinding box, the sliding rods penetrate through the side walls of the screening plate and are in sliding connection with the screening plate, the outer surface of the sliding rods is sleeved with a return spring, two ends of the return spring are respectively connected with the side walls of the screening plate and the inner side walls of the grinding box, fixed surface is connected with the kicking block on the screening board, kicking block and vice cylinder surface tooth piece meshing are connected, can carry out the horizontal hunting to the screening board when grinding through the slide bar that sets up, reset spring, kicking block, vice cylinder and tooth piece etc. can, but hoisting device's filtration screening effect on the one hand, on the other hand reduces the possibility that the screening board blockked up, it is difficult to shake the processing to the screening board to have reduced traditional grinder, easily cause the jam to influence the screening filter effect's of device possibility.

Further, the slide bar stretches into the one end fixedly connected with stopper in the screening board lateral wall, can carry out spacing processing to the slide bar through setting up the stopper, reduces the possibility that the slide bar drops.

Further, grind fixedly connected with fixed plate between the case both sides inner wall, a plurality of evenly distributed's small opening is seted up to the fixed plate upper surface, the equal fixedly connected with pneumatic cylinder of both sides wall of grinding the case, the output fixedly connected with telescopic link of pneumatic cylinder, the one end of telescopic link stretches into and grinds incasement and fixedly connected with scraper blade, surface contact on scraper blade and the fixed plate, the broken tooth of a plurality of evenly distributed of scraper blade lateral wall fixedly connected with can treat through the scraper blade that sets up and broken tooth etc. and grind the raw materials and carry out the pre-crushing processing, the subsequent grinding effect of hoisting device.

Further, the equal fixedly connected with fixed block of both sides inner wall of grinding box, fixed block upper surface fixedly connected with traveller, traveller surface sliding connection has the filter, can carry out filtration to the Ru catalyst raw materials after the breakage through the filter that sets up.

Further, the lateral wall fixedly connected with driving motor of grinding box, driving motor's output passes through shaft coupling fixedly connected with bull stick, and the fixed cover of bull stick surface is equipped with a plurality of evenly distributed's cam, and the cam is connected with bull stick off-centre, and the surface cover of traveller is equipped with compression spring, can shake the processing about the filter through cam, traveller and the compression spring that set up, reduces the possibility that the filter blockked up.

Furthermore, the upper surface of the sliding column is fixedly connected with an anti-falling cover, and the possibility of falling of the filter plate can be reduced through the arranged sliding column.

Further, a collecting box is connected to the bottom wall in the grinding box in a sliding mode.

The utility model has the following beneficial effects:

according to the utility model, the screening plate can swing left and right during grinding through the arranged sliding rod, the reset spring, the jacking block, the auxiliary roller, the tooth block and the like, so that the filtering and screening effects of the device can be improved on the one hand, the possibility of blocking of the screening plate is reduced on the other hand, the problem that the screening plate is difficult to shake and block by a traditional grinding device, and the possibility of influencing the filtering and screening effects of the device is reduced.

Of course, it is not necessary for any product in which the utility model is practiced 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 the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

fig. 5 is a schematic structural view of the main drum of fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. grinding a box; 2. a hydraulic cylinder; 3. a drive motor; 4. a telescopic rod; 5. a feed hopper; 6. a revolving door; 7. a cam; 8. a tooth block; 9. screening the plate; 10. a collection box; 11. a main drum; 12. a sub drum; 13. a rotating rod; 14. a filter plate; 15. a leak hole; 16. a fixing plate; 17. crushing teeth; 18. a compression spring; 19. a traveler; 20. an anti-drop cover; 21. a top block; 22. a slide bar; 23. a return spring; 24. And a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention is a Ru-based catalyst production polishing apparatus, comprising a polishing box 1, a feed hopper 5 is fixedly connected to the upper surface of the polishing box 1, a rotating door 6 is rotatably connected to the front end surface of the polishing box 1 through a hinge, a rotating motor is fixedly connected to the rear end surface of the polishing box 1, the output end of the rotating motor is fixedly connected to a rotating shaft through a coupling, one end of the rotating shaft extends into the polishing box 1, and the outer surface of the rotating shaft is sleeved with a main roller 11, two auxiliary rollers 12 symmetrically arranged with respect to the main roller 11 are rotatably connected to the polishing box 1, a plurality of uniformly distributed tooth blocks 8 are fixedly connected to the outer surfaces of the main roller 11 and the auxiliary rollers 12, the main roller 11 and the auxiliary rollers 12 are engaged and connected through the tooth blocks 8, slide bars 22 are fixedly connected to both side walls of the polishing box 1, a screening plate 9 is disposed between both side walls of the polishing box 1, the slide bars 22 penetrate through and are slidably connected to the side walls of the screening plate 9, slide bar 22 surface cover is equipped with reset spring 23, reset spring 23's both ends respectively with the lateral wall of

screening plate

9 and 1 inside wall connection of grinding box, fixed surface is connected with kicking block 21 on the screening plate 9, kicking block 21 and the meshing of vice cylinder 12 surface tooth piece 8 are connected, there is collection box 10 in 1 bottom wall sliding connection of grinding box, slide bar 22 through setting up, reset spring 23, kicking block 21, vice cylinder 12 and tooth piece 8 etc. can carry out the horizontal hunting to screening plate 9 when grinding, but hoisting device's filtration screening effect on the one hand, on the other hand reduces the possibility that screening plate 9 blockked up, it is difficult to carry out the shake processing to screening plate 9 to have reduced traditional grinder, easily cause the jam, thereby influence the screening filter effect's of device the possibility.

Preferably, one end of the sliding rod 22 extending into the side wall of the screening plate 9 is fixedly connected with a limiting block 24, the sliding rod 22 can be limited by the limiting block 24, and the possibility that the sliding rod 22 falls off is reduced.

Preferably, grind fixedly connected with fixed plate 16 between 1 both sides inner wall of case, a plurality of evenly distributed's small opening 15 is seted up to fixed plate 16 upper surface, grind the equal fixedly connected with pneumatic cylinder 2 of both sides wall of case 1, pneumatic cylinder 2's output fixedly connected with telescopic link 4, the one end of telescopic link 4 stretches into and grinds case 1 in and the fixedly connected with scraper blade, surface contact on scraper blade and the fixed plate 16, the broken tooth 17 of a plurality of evenly distributed of scraper blade lateral wall fixedly connected with, can treat through the scraper blade that sets up and broken tooth 17 etc. and grind the raw materials and carry out the crushing treatment in advance, the subsequent grinding effect of hoisting device.

Preferably, the inner walls of the two sides of the grinding box 1 are fixedly connected with fixing blocks. The fixed block upper surface fixedly connected with traveller 19, traveller 19 surface sliding connection has filter 14, can carry out filtration processing to the Ru catalyst raw materials after the breakage through the filter 14 that sets up.

Preferably, grinding box 1's lateral wall fixedly connected with driving motor 3, driving motor 3's output passes through shaft coupling fixedly connected with bull stick 13, and bull stick 13 external surface fixed cover is equipped with a plurality of evenly distributed's cam 7, and cam 7 is connected with bull stick 13 off-centre, and the surface cover of traveller 19 is equipped with compression spring 18, can shake about the filter 14 through cam 7, traveller 19 and the compression spring 18 that set up and handle, reduces the possibility that filter 14 blockked up.

Preferably, the slide column 19 is fixedly connected with an anti-dropping cover 20 on the upper surface, and the possibility of dropping the filter plate 14 can be reduced by the arranged slide column 19.

Preferably, a collection box 10 is slidingly connected to the inner bottom wall of the grinding box 1.

As shown in fig. 1 to 5, this example is a method of using a grinding apparatus for Ru-based catalyst production: before using, put into grinding case 1 through feeder hopper 5 with Ru base catalyst raw materials, start hydraulic cylinder 2 and carry out crushing treatment in advance to it, fall into on filter 14 of below through small opening 15, start driving motor 3 and shake about carrying out to filter 14 and handle, start rotating electrical machines, drive main cylinder 11 and vice cylinder 12 and rotate, the tooth piece 8 through the setting begins to grind the Ru base catalyst raw materials, it filters the screening to drive simultaneously that screening board 9 shakes about going on, fall into collection box 10 with qualified catalyst, then open revolving door 6, take back and carry out secondary grinding treatment in the catalyst that screening board 9 upper surface did not fall leads to feed hopper 5 again.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. 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 utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A grinding device for Ru-based catalyst production, comprising a grinding box (1), characterized in that: the grinding machine is characterized in that the upper surface of the grinding box (1) is fixedly communicated with a feed hopper (5), the front end surface of the grinding box (1) is rotatably connected with a rotating door (6) through a hinge, the rear end surface of the grinding box (1) is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft extends into the grinding box (1), the outer surface of the rotating shaft is sleeved with a main roller (11), the grinding box (1) is rotatably connected with two auxiliary rollers (12) which are symmetrically arranged relative to the main roller (11), the outer surfaces of the main roller (11) and the auxiliary rollers (12) are fixedly connected with a plurality of uniformly distributed tooth blocks (8), the main roller (11) and the auxiliary rollers (12) are meshed and connected through the tooth blocks (8), two side walls of the grinding box (1) are fixedly connected with slide rods (22), a screening plate (9) is arranged between the inner walls of two sides of the grinding box (1), and the slide rods (22) penetrate through the side walls of the screening plate (9) and are connected with the screening plate in a sliding manner, the outer surface of the sliding rod (22) is sleeved with a return spring (23), two ends of the return spring (23) are respectively connected with the side wall of the screening plate (9) and the inner side wall of the grinding box (1), the upper surface of the screening plate (9) is fixedly connected with an ejector block (21), and the ejector block (21) is meshed with a tooth block (8) on the outer surface of the auxiliary roller (12); the grinding box is characterized in that fixed blocks are fixedly connected to the inner walls of the two sides of the grinding box (1), sliding columns (19) are fixedly connected to the upper surfaces of the fixed blocks, and filter plates (14) are connected to the outer surfaces of the sliding columns (19) in a sliding mode.

2. The grinding device for Ru-based catalyst production according to claim 1, wherein a limiting block (24) is fixedly connected to one end of the slide rod (22) extending into the side wall of the screening plate (9).

3. The grinding device for producing the Ru-based catalyst according to claim 1, wherein a fixed plate (16) is fixedly connected between the inner walls of the two sides of the grinding box (1), a plurality of uniformly distributed leaking holes (15) are formed in the upper surface of the fixed plate (16), hydraulic cylinders (2) are fixedly connected to the two side walls of the grinding box (1), an expansion rod (4) is fixedly connected to the output end of the hydraulic cylinder (2), one end of the expansion rod (4) extends into the grinding box (1) and is fixedly connected with a scraper, the scraper is in contact with the upper surface of the fixed plate (16), and a plurality of uniformly distributed crushing teeth (17) are fixedly connected to the side wall of the scraper.

4. The grinding device for Ru-based catalyst production according to claim 1, wherein the side wall of the grinding box (1) is fixedly connected with a driving motor (3), the output end of the driving motor (3) is fixedly connected with a rotating rod (13) through a coupler, a plurality of uniformly distributed cams (7) are fixedly sleeved on the outer surface of the rotating rod (13), the cams (7) are eccentrically connected with the rotating rod (13), and a compression spring (18) is sleeved on the outer surface of a sliding column (19).

5. The grinding device for Ru-based catalyst production according to claim 4, wherein an anti-slip cover (20) is fixedly connected to the upper surface of the strut (19).

6. A Ru-based catalyst production grinding apparatus in accordance with claim 1, characterized in that a collection box (10) is slidably attached to the inner bottom wall of the grinding box (1).