CN116492922B - Granulation equipment for hydrogenation reduction catalyst - Google Patents
Granulation equipment for hydrogenation reduction catalyst Download PDFInfo
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- CN116492922B CN116492922B CN202310745508.3A CN202310745508A CN116492922B CN 116492922 B CN116492922 B CN 116492922B CN 202310745508 A CN202310745508 A CN 202310745508A CN 116492922 B CN116492922 B CN 116492922B
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- 239000003054 catalyst Substances 0.000 title claims abstract description 73
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 26
- 230000009467 reduction Effects 0.000 title claims abstract description 26
- 238000005469 granulation Methods 0.000 title claims abstract description 13
- 230000003179 granulation Effects 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 53
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims description 58
- 238000005453 pelletization Methods 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 240000001949 Taraxacum officinale Species 0.000 description 1
- 235000005187 Taraxacum officinale ssp. officinale Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009704 powder extrusion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- -1 when in production Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Glanulating (AREA)
- Catalysts (AREA)
Abstract
The utility model discloses granulation equipment for a hydrogenation reduction catalyst, which comprises a granulation assembly, wherein the granulation assembly is provided with a long granulating ring and a short granulating ring which are sleeved, the granulating ring is provided with a hemispherical material containing cavity, the two granulating rings can be driven to be pushed to repeatedly squeeze and separate along with the rotation of a double-clamping roller, powdery raw materials enter the space between the two granulating rings at the separated position of the two granulating rings, the two granulating rings are squeezed into spheres and are separated from each other to be discharged, one-time extrusion spherical granulation is realized, the catalyst is ensured to be pressed uniformly and tightly, the powder removal phenomenon is effectively avoided, the produced hydrogenation reduction catalyst has high mechanical strength, and the requirement of repeated recycling can be met.
Description
Technical Field
The utility model relates to the technical field of catalyst production, in particular to granulation equipment for a hydrogenation reduction catalyst.
Background
The granulator is a forming machine capable of manufacturing materials into specific shapes, and the hydrogenation reduction catalyst is required to be prepared by the granulator in order to ensure that the hydrogenation reduction catalyst can be recycled after being used and has mechanical strength capable of resisting extrusion of reaction equipment without crushing.
The Chinese patent document with publication number of CN216879218U discloses a granulating device for hydrogenation reduction catalyst, when in production, materials can be extruded towards the direction of a cone through a spiral extrusion component, so that the materials are extruded from round holes under pressure, the diameter of the round holes is smaller, and the materials can be compacted through the inner walls of the round holes in the process of advancing the materials;
however, after the round hole extrusion is performed, the formed catalyst is in a continuous cylindrical shape, the blades are required to perform rotary cutting, the catalyst just extruded is combined and unstable, the catalyst can be loosened due to cutting impact of the blades, and the catalyst still cannot reach the required mechanical strength after subsequent drying and hardening, so that the catalyst is seriously destoner.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides granulation equipment for a hydrogenation reduction catalyst.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a granulation equipment for hydrogenation reduction catalyst, includes shell subassembly and pelletization subassembly, pelletization subassembly is installed in the shell subassembly is inboard, the body frame is installed to shell subassembly right-hand member, pelletization subassembly includes: the two outer pair of clamping rollers and two inner pair of clamping rollers, wherein the two inner pair of clamping rollers are positioned between the two outer pair of clamping rollers, the two inner pair of clamping rollers are sleeved with an inner granulating ring outside, the outer side of the inner granulating ring is sleeved with an outer granulating ring, one side of the inner granulating ring, which faces the inner pair of clamping rollers, is provided with an inner material cavity, the circumferential side wall of the inner pair of clamping rollers is provided with an inner caulking groove, one side of the outer granulating ring, which faces the outer pair of clamping rollers, is provided with an outer material cavity, the circumferential side wall of the outer pair of clamping rollers is provided with an outer caulking groove, the outer granulating ring is in a right circular ring shape, the middle parts of the upper end and the lower end of the inner granulating ring are tightly stretched horizontally, and the outer walls of the left end and the right end of the inner granulating ring are in abutting-against contact with the inner wall of the outer granulating ring; the housing assembly includes: the inner ring is provided with a first end plate at the right end, a second end plate at the left end, a partition plate is arranged in the middle of the inner side of the inner ring, a cavity is formed between the inner wall of the outer granulating ring and the outer wall of the inner granulating ring in a surrounding mode, the cavity is divided into a feeding cavity and a discharging cavity by the partition plate, a feeding hole is formed in the position, corresponding to the feeding cavity, of the first end plate, and a discharging hole is formed in the position, corresponding to the discharging cavity, of the second end plate;
for carrying out the production of hydrogenation reduction catalyst, hydrogenation reduction catalyst is for satisfying the design demand, can repeatedly retrieve, hydrogenation reduction, need guarantee that the catalyst combines stably, so this device is when carrying out the production of catalyst, only need add the powdery raw materials to the feed chamber via the feed port, because the spacing of end plate, interior pelletization ring and outer pelletization ring can drive the material and remove to between interior pair roller and the outer pair roller from the feed chamber, in the removal in-process, the raw materials are compressed tightly by gradual pair clamp, after crossing interior pair roller and outer pair roller butt pressure contact's position, because hold the existence of material chamber and caulking groove, interior caulking groove and interior material chamber inlay one by one along with rotating, outer material chamber and outer caulking groove inlay one by one along with rotating and establish, can once-forming the powder extrusion into even compact sphere, the catalyst need not cut the separation at the compaction back secondary, can guarantee that the catalyst is whole to combine tightly stable, after the catalyst enters into the discharge chamber after the shaping, interior pelletization ring and outer pelletization ring can keep away from each other, make the catalyst break away from the position of discharge hole and collect concentratedly.
Preferably, ribs are arranged on the circumferential outer wall of the outer pair of clamping rollers between the outer caulking grooves, bending parts corresponding to the ribs are arranged on the outer granulating rings, and the front end and the rear end of the inner ring extend to form inner ring convex edges;
for including outer pelletization ring and outer synchronous antiskid to the pinch roller, outer pair pinch roller is hard material, outer pair pinch roller outer wall protruding rib can one by one with outer pelletization ring on the kink meshing overlap joint, mutual meshing can guarantee when pelletization that outer pelletization ring and outer pair pinch roller can be stable synchronous rotation, the protruding edge of inner circle then with outer pelletization ring circumference outer wall sliding contact, can guarantee outer pelletization ring stable rotation placed in middle.
Preferably, the inner wall edge of the inner granulating ring is provided with clamping strips which are arranged at equal intervals, and the outer wall edge of the circumference of the inner pair of clamping rollers is provided with clamping grooves which are meshed with the clamping strips;
in order to ensure synchronous anti-slip of the inner granulating ring and the inner pair of clamping rollers, the clamping strips are engaged with the clamping grooves in a paying attention, and when the inner pair of clamping rollers rotate, the clamping strips can drive stable synchronous rotation, so that the inner material cavity and the outer material cavity can be ensured to correspond one by one, alignment accuracy is ensured, and stability is improved.
Preferably, a belt pulley shaft is arranged in the middle of the inner pair of clamping rollers, a gear shaft is arranged in the middle of the outer pair of clamping rollers, a relay wheel is rotatably arranged between the belt pulley shaft and the gear shaft in the middle of the first end plate, the relay wheel is in meshed connection with the gear shaft, a synchronous belt is sleeved between the relay wheel and the belt pulley shaft, and a rotary driver is arranged at the end part of the belt pulley shaft;
for further improving the accuracy of material chamber and outer appearance material chamber alignment time, rotary actuator provides rotary driving force, drives one of them belt pulley axle rotation, carries out the syntropy rotation through the hold-in range between two belt pulley axles, and can drive two relay wheels syntropy rotation simultaneously, and the relay wheel then drives gear shaft counter-rotation through the meshing, realizes interior to clamp roller and outer counter-clamp roller can be stable counter-rotation, prevents to skid, and the caulking groove collocation holds the material chamber and realizes meshing counterpoint inlaying and establish, guarantees that the transmission is stable.
Preferably, two feeding cavities and two discharging cavities are respectively arranged at the upper rear part and the lower front part of the inner ring, two discharging cavities are respectively arranged at the upper front part and the lower rear part of the inner ring, the feeding cavities are communicated with and provided with feeding components through feeding holes, and the discharging cavities are communicated with and provided with discharging components through discharging holes;
in order to improve production efficiency, the feeding cavity and the discharging cavity are respectively provided with two, the material in the feeding cavity at the rear upper part can be extruded through the pair of inner clamping rollers and the outer clamping rollers at the rear side, the material in the feeding cavity at the front lower part can be extruded through the pair of inner clamping rollers and the outer clamping rollers at the front side, the extrusion granulation can be completed at the two positions simultaneously through the rotation of the inner granulating ring and the outer granulating ring, and the granulating efficiency can be further improved.
Preferably, the discharging assembly comprises a distributing hopper, a discharging pipe is arranged on the right side of the distributing hopper, the discharging pipe is connected with a discharging hole in a conducting way, a discharging hole is arranged at the bottom end of the distributing hopper, a sieve plate with a lower left part and a higher right part is arranged at the right part of the inner side of the discharging hole, barrier strips arranged at equal intervals are arranged at the top end of the sieve plate, a mesh plate is embedded and arranged on the right side of the barrier strips, two collecting boxes arranged left and right are arranged below the discharging hole, and a surrounding barrier is arranged on the outer wall of the right lower part of the distributing hopper;
in order to improve the cleanness of ejection of compact, the loose materials that the bulk cargo of extrusion failure, spherical catalyst surface adhesion can roll through the sieve in spherical catalyst, and the bulk cargo falls from mesh board position, for improving the efficiency of separation, installs a plurality of blend stops on the sieve, makes the spherical catalyst that passes through bounce up and down and falls, shakes the bulk cargo on surface, and the spherical catalyst is collected to the left portion of two collection boxes, and the bulk cargo is collected to the right portion that encloses the fender and prevents the raise dust.
Preferably, the feeding assembly comprises a powder feeder, a three-way shell is arranged at the outlet position of the powder feeder, a feeding pipe with low left and high right is arranged at the end part of the three-way shell, and the feeding pipe is connected with a feeding hole in a conducting way;
the powder feeder adopts the powder quantitative feeder, can carry out quantitative feed, guarantees pelletization feed amount reasonable, guarantees that the catalyst extrusion is tight when, can not too much lead to the card to die, and two feed inlets are connected through feed pipe and a tee bend shell respectively, use a powder feeder to carry out synchronous feed, compact structure.
Preferably, the inner wall of the inner ring is consistent with the circumferential outer wall of the outer granulating ring and the circumferential outer wall of the outer pair of clamping rollers, the outer ring amplified by the inner ring in equal proportion is sleeved outside the inner ring, a water passing channel is formed by surrounding the inner wall of the outer ring, the outer wall of the inner ring, the left side wall of the first end plate and the right side wall of the second end plate, and a water supply assembly is arranged on the side wall of the outer ring in a conducting way;
for improving the stability of long-time processing, use water supply assembly to provide cooling water for water channel, can cool down inner circle, outer pelletization ring and outer pair clamp roller, and then can cool down equipment, guarantee the temperature of long-time rotatory pelletization is controllable, prevent that the high temperature from leading to the catalyst to glue outer pelletization ring and interior pelletization ring.
Preferably, the water supply assembly comprises a pumping device, a water outlet pipe and a water inlet pipe, wherein a water outlet of the pumping device is connected with the lowest point of the outer ring through the water inlet pipe in a conducting way, and the water outlet pipe is arranged at the highest point of the outer ring in a conducting way;
the pumping device can attract cold water, and fills in the water channel through the inlet tube, because the inlet tube is from the minimum water inflow of outer lane, from the highest water outlet of outer lane, can guarantee that the water channel is inside can not exist gaseous, guarantees cold water and the abundant contact of inner circle, improves the cooling effect.
Preferably, a push rod is arranged in the middle of the inner wall of the first end plate positioned in the discharging cavity, one end of the push rod is fixedly connected with the first end plate, the other end of the push rod extends to the middle position of the discharging cavity, and a material guide plate is arranged at one side of the bottom end of the partition plate, which faces the discharging cavity;
one end of the push rod extends to the middle position of the discharging cavity, the distance from the end part of the push rod to the inner granulating ring and the outer granulating ring is smaller than the radius of the formed spherical catalyst, and the spherical catalyst which is not separated independently can be pushed out of the accommodating groove when passing through the inner granulating ring and the outer granulating ring, so that active stripping is realized, the accommodating groove is prevented from being occupied, and the stability of granulating processing is ensured.
Compared with the prior art, the granulating equipment for the hydrogenation reduction catalyst has the advantages that:
1. through the arrangement of the granulating assembly, a long granulating ring and a short granulating ring are sleeved, the granulating ring is provided with a hemispherical material containing cavity, the circumferential side wall of the opposite clamping roller is provided with equally-spaced caulking grooves, the positions of the containing grooves and the caulking grooves can be meshed one by one along with the rotation of the opposite clamping roller, the granulating ring is pushed to circularly squeeze and separate, the powdery raw materials at the position of the feeding cavity are extruded into spheres and separated from the position of the discharging cavity, so that one-time spherical granulating is realized, the pressed uniform and compact quality of the catalyst is influenced, and the loose powder removing condition of the catalyst is improved;
2. through the arrangement of the discharging assembly, a push rod is arranged in the middle of the discharging cavity, the formed spherical catalyst can be pushed out of the material containing cavity through the discharging cavity to realize passive separation, the rolled catalyst can enter the distributing hopper under the guidance of an inclined discharging pipe, a sieve plate is arranged in the distributing hopper, barrier strips are arranged at the top end of the sieve plate at equal intervals, when the catalyst rolls over the barrier strips, the catalyst can vibrate in a fluctuation mode to vibrate down the loose catalyst on the surface, and the scattered catalyst can be collected independently, so that the catalyst is convenient to recover and process again;
3. through the setting of shell subassembly, both sides installation end plate around pelletization ring and pair clamp roller, connect an inner circle between the end plate, the inner circle extends along pelletization ring and the outer edge of pair clamp roller, can guarantee to be unanimous with pelletization ring and the interval of pair clamp roller, the outer lane that the inner circle outside installation equal proportion was enlarged forms the water channel between the inner and outer lane, the coolant liquid gets into from the bottom, discharge from the top, fully with inner circle contact heat transfer, can cool down pelletization ring, pair clamp roller and inner circle, prevent that continuous operation from leading to the raw materials to link because of high Wen Ernian.
Drawings
FIG. 1 is a schematic left-hand view of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
FIG. 3 is a schematic rear view of the present utility model between the housing assembly and the outfeed assembly;
FIG. 4 is a schematic right-hand view between the pelletization assembly and the housing assembly of the present utility model;
FIG. 5 is a right side view block diagram of the inner and outer ring inner assemblies of the present utility model;
FIG. 6 is a schematic left-hand view of the pelletization assembly of the present utility model;
FIG. 7 is a cut-away left side view of the inner and outer races of the present utility model;
FIG. 8 is a schematic view of the split between the inner granulating ring and inner pair of nip rolls of the present utility model;
fig. 9 is a schematic cut-away view of the outfeed assembly of the present utility model.
In the figure: 1. a housing assembly; 11. a first end plate; 111. a feed hole; 112. a push rod; 12. an outer ring; 121. a water passing channel; 13. a second end plate; 131. a discharge hole; 14. an inner ring; 141. a partition plate; 142. a material guide plate; 143. a feed chamber; 144. a discharge cavity; 145. an inner ring convex edge; 2. a feed assembly; 21. a three-way shell; 22. a powder feeder; 23. a feed pipe; 3. a discharge assembly; 31. a distributing hopper; 311. a sieve plate; 312. a mesh plate; 313. a barrier strip; 314. a discharge port; 32. a collection box; 33. a discharge pipe; 34. a surrounding baffle; 4. a pumping device; 41. a water outlet pipe; 42. a water inlet pipe; 5. a main frame; 6. a pelletization assembly; 61. an outer pair of nip rolls; 611. a gear shaft; 612. a relay wheel; 613. an external caulking groove; 614. a convex rib; 62. an inner pair of nip rolls; 621. a belt wheel shaft; 622. an embedded groove; 623. a clamping groove; 63. an inner granulating ring; 631. a material receiving cavity; 632. clamping strips; 64. an outer granulating ring; 641. an outer material containing cavity; 7. a rotary drive.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1, 2, 5 and 6, a granulating apparatus for hydrogenation reduction catalyst, comprising a housing assembly 1 and a granulating assembly 6, wherein the granulating assembly 6 is installed inside the housing assembly 1, the right end of the housing assembly 1 is installed with a main frame 5, and the granulating assembly 6 comprises: the two outer pair of clamping rollers 61 and the two inner pair of clamping rollers 62, the two inner pair of clamping rollers 62 are positioned between the two outer pair of clamping rollers 61, the outer sides of the two inner pair of clamping rollers 62 are sleeved with inner granulating rings 63, the outer sides of the inner granulating rings 63 are sleeved with outer granulating rings 64, the inner granulating rings 63 are provided with inner material cavities 631 towards one side of the inner pair of clamping rollers 62, the circumferential side wall of the inner pair of clamping rollers 62 is provided with inner embedded grooves 622, one side of the outer granulating rings 64 towards the outer pair of clamping rollers 61 is provided with an outer material containing cavity 641, the circumferential side wall of the outer pair of clamping rollers 61 is provided with outer embedded grooves 613, the outer granulating rings 64 are in a right circular ring shape, the middle parts of the upper end and the lower end of the inner granulating rings 63 are tightly stretched to horizontally extend, and the outer walls of the left end and the right end of the inner granulating rings 63 are in abutting contact with the inner walls of the outer granulating rings 64; the housing assembly 1 comprises: the first end plate 11 is installed at the right-hand member of the inner ring 14, the second end plate 13 is installed at the left-hand member of the inner ring 14, the partition plate 141 is installed at the middle part of the inner side of the inner ring 14, a cavity is formed between the inner wall of the outer granulating ring 64 and the outer wall of the inner granulating ring 63, the cavity is divided into a feeding cavity 143 and a discharging cavity 144 by the partition plate 141, the feeding hole 111 is formed in the position of the first end plate 11 corresponding to the feeding cavity 143, and the discharging hole 131 is formed in the position of the second end plate 13 corresponding to the discharging cavity 144.
In order to produce the hydrogenation reduction catalyst, the hydrogenation reduction catalyst is designed to meet the design requirement, the catalyst can be recycled and reduced repeatedly, the catalyst combination is required to be stable, so when the device is used for producing the catalyst, only powdery raw materials are required to be added into the feeding cavity 143 through the feeding holes 111, the inner granulating ring 63 and the outer granulating ring 64 can drive the materials to move from the feeding cavity 143 to the position between the inner pair of clamping rollers 62 and the outer pair of clamping rollers 61 because of the limitation of the first end plate 11 and the second end plate 13, the raw materials are gradually clamped tightly in the moving process, after the positions of the inner pair of clamping rollers 62 and the outer pair of clamping rollers 61 are crossed, the inner embedding grooves 622 and the inner material embedding grooves 631 are embedded along with rotation one by one, the outer material accommodating cavities 641 and the outer embedding grooves 613 are embedded along with rotation one by one, the powder can be molded and extruded into uniform compact spheres, the catalyst does not need to be cut and separated secondarily after being compacted, the solid combination of the catalysts can be ensured, and the formed catalyst can enter the discharging cavity 144, the inner granulating ring 63 and the catalyst can be separated from the position of the outer granulating ring 64 and are separated from the position of the catalyst collecting hole 131.
Example 2
Referring to fig. 2 to 7 and 8, a granulating apparatus for hydrogenation reduction catalyst comprises a housing assembly 1 and a granulating assembly 6, wherein the granulating assembly 6 is mounted on the inner side of the housing assembly 1, a main frame 5 is mounted on the right end of the housing assembly 1, and the granulating assembly 6 comprises: the two outer pair of clamping rollers 61 and the two inner pair of clamping rollers 62, the two inner pair of clamping rollers 62 are positioned between the two outer pair of clamping rollers 61, the outer sides of the two inner pair of clamping rollers 62 are sleeved with inner granulating rings 63, the outer sides of the inner granulating rings 63 are sleeved with outer granulating rings 64, the inner granulating rings 63 are provided with inner material cavities 631 towards one side of the inner pair of clamping rollers 62, the circumferential side wall of the inner pair of clamping rollers 62 is provided with inner embedded grooves 622, one side of the outer granulating rings 64 towards the outer pair of clamping rollers 61 is provided with an outer material containing cavity 641, the circumferential side wall of the outer pair of clamping rollers 61 is provided with outer embedded grooves 613, the outer granulating rings 64 are in a right circular ring shape, the middle parts of the upper end and the lower end of the inner granulating rings 63 are tightly stretched to horizontally extend, and the outer walls of the left end and the right end of the inner granulating rings 63 are in abutting contact with the inner walls of the outer granulating rings 64; the housing assembly 1 comprises: the first end plate 11 is installed at the right-hand member of the inner ring 14, the second end plate 13 is installed at the left-hand member of the inner ring 14, the partition plate 141 is installed at the middle part of the inner side of the inner ring 14, a cavity is formed between the inner wall of the outer granulating ring 64 and the outer wall of the inner granulating ring 63, the cavity is divided into a feeding cavity 143 and a discharging cavity 144 by the partition plate 141, the feeding hole 111 is formed in the position of the first end plate 11 corresponding to the feeding cavity 143, and the discharging hole 131 is formed in the position of the second end plate 13 corresponding to the discharging cavity 144.
Specifically, ribs 614 are provided on the outer circumferential wall of the outer pair of clamping rollers 61 between the outer insertion grooves 613, bending portions corresponding to the ribs 614 are provided on the outer granulating ring 64, and the front and rear ends of the inner ring 14 extend to form inner ring flanges 145.
Further, the inner wall edge of the inner granulating ring 63 is provided with equally-spaced clamping strips 632, and the outer wall edge of the circumference of the inner pair of clamping rollers 62 is provided with clamping grooves 623 meshed with the clamping strips 632.
Still further, the belt pulley shaft 621 is installed in the middle of the inner pair of clamping rollers 62, the gear shaft 611 is installed in the middle of the outer pair of clamping rollers 61, the intermediate wheel 612 is rotatably installed between the belt pulley shaft 621 and the gear shaft 611 in the middle of the first end plate 11, the intermediate wheel 612 is in meshed connection with the gear shaft 611, the synchronous belt is sleeved between the intermediate wheel 612 and the belt pulley shaft 621, and the rotary driver 7 is installed at the end part of the belt pulley shaft 621.
For including outer pelletization ring 64 and outer synchronous antiskid of clamp roller 61, outer clamp roller 61 is hard material, outer clamp roller 61 outer wall protruding rib 614 can with outer pelletization ring 64 on the kink meshing overlap joint one by one, mutual meshing can guarantee when pelletization that outer pelletization ring 64 and outer clamp roller 61 can stable synchronous rotation, inner circle flange 145 then with outer pelletization ring 64 circumference outer wall sliding contact, can guarantee outer pelletization ring 64 stable rotation centrally, for guaranteeing the synchronous antiskid of interior pelletization ring 63 and interior clamp roller 62, card strip 632 can with the meshing of draw-in groove 623 attention, when interior clamp roller 62 rotates, can drive stable synchronous rotation, and then can guarantee that interior material chamber 631 and outer material chamber 641 correspond one by one, guarantee to aim at accurately, improve stability, for further improving the accuracy of interior material chamber 631 and outer material chamber 641 to the accuracy of alignment, rotary drive ware 7 provides rotary drive, drive power, drive belt shaft 621 rotates, through synchronous belt co-rotating between two shaft pulleys, and can drive two relay wheels 612 simultaneously and rotate in the same direction, then drive 612 and realize that the reverse rotation is realized through driving reverse rotation of reverse rotation drive roller 612, and drive pair roller 612 and realize the realization of stable meshing, and the realization of the reverse collocation clamp roller, can realize the meshing of the reverse collocation of the clamp roller.
Example 3
Referring to fig. 1-3, 9, a granulating apparatus for hydrogenation reduction catalyst, comprising a housing assembly 1 and a granulating assembly 6, wherein the granulating assembly 6 is installed inside the housing assembly 1, a main frame 5 is installed at the right end of the housing assembly 1, and the granulating assembly 6 comprises: the two outer pair of clamping rollers 61 and the two inner pair of clamping rollers 62, the two inner pair of clamping rollers 62 are positioned between the two outer pair of clamping rollers 61, the outer sides of the two inner pair of clamping rollers 62 are sleeved with inner granulating rings 63, the outer sides of the inner granulating rings 63 are sleeved with outer granulating rings 64, the inner granulating rings 63 are provided with inner material cavities 631 towards one side of the inner pair of clamping rollers 62, the circumferential side wall of the inner pair of clamping rollers 62 is provided with inner embedded grooves 622, one side of the outer granulating rings 64 towards the outer pair of clamping rollers 61 is provided with an outer material containing cavity 641, the circumferential side wall of the outer pair of clamping rollers 61 is provided with outer embedded grooves 613, the outer granulating rings 64 are in a right circular ring shape, the middle parts of the upper end and the lower end of the inner granulating rings 63 are tightly stretched to horizontally extend, and the outer walls of the left end and the right end of the inner granulating rings 63 are in abutting contact with the inner walls of the outer granulating rings 64; the housing assembly 1 comprises: the first end plate 11 is installed at the right-hand member of the inner ring 14, the second end plate 13 is installed at the left-hand member of the inner ring 14, the partition plate 141 is installed at the middle part of the inner side of the inner ring 14, a cavity is formed between the inner wall of the outer granulating ring 64 and the outer wall of the inner granulating ring 63, the cavity is divided into a feeding cavity 143 and a discharging cavity 144 by the partition plate 141, the feeding hole 111 is formed in the position of the first end plate 11 corresponding to the feeding cavity 143, and the discharging hole 131 is formed in the position of the second end plate 13 corresponding to the discharging cavity 144.
Specifically, two feeding chambers 143 and two discharging chambers 144 are respectively provided, the two feeding chambers 143 are respectively provided above and below the rear of the inner ring 14, the two discharging chambers 144 are respectively provided above and below the front of the inner ring 14, the feeding chambers 143 are communicated with and installed with the feeding assembly 2 through the feeding holes 111, and the discharging chambers 144 are communicated with and installed with the discharging assembly 3 through the discharging holes 131.
Notably, the discharging component 3 comprises a distributing hopper 31, a discharging pipe 33 is arranged on the right side of the distributing hopper 31, the discharging pipe 33 is connected with a discharging hole 131 in a conducting mode, a discharging hole 314 is formed in the bottom end of the distributing hopper 31, a screen plate 311 with the left lower side and the right higher side is arranged on the right portion of the inner side of the discharging hole 314, a barrier strip 313 which is arranged at the equal distance is arranged on the top end of the screen plate 311, a mesh plate 312 is embedded and arranged on the right side of the barrier strip 313, two collecting boxes 32 which are arranged left and right are arranged below the discharging hole 314, and a surrounding barrier 34 is arranged on the outer wall of the right lower portion of the distributing hopper 31.
It should be noted that the feeding assembly 2 includes a powder feeder 22, a three-way shell 21 is installed at the outlet position of the powder feeder 22, a feeding pipe 23 with a lower left and a higher right is installed at the end of the three-way shell 21, and the feeding pipe 23 is connected with the feeding hole 111 in a conducting manner.
In order to improve the production efficiency, two feeding cavities 143 and two discharging cavities 144 are respectively arranged, materials in the feeding cavities 143 at the rear upper part can be extruded by a pair of inner pair of clamping rollers 62 and an outer pair of clamping rollers 61 at the rear lower part, the materials in the feeding cavities 143 at the front lower part can be separated and discharged by a pair of inner pair of clamping rollers 62 and an outer pair of clamping rollers 61 at the front lower part, the materials in the feeding cavities 143 at the front upper part can be separated and discharged by a pair of inner pair of clamping rollers 62 and an outer pair of clamping rollers 61 at the front upper part, the rotation of the inner granulating ring 63 and the outer granulating ring 64 can simultaneously complete extrusion granulating at two positions, and in the same way, the diameters of the inner pair of clamping rollers 62 and the outer pair of clamping rollers 61 can be reduced on the premise that the compactness after the extrusion of the catalyst can be ensured, the logarithm of the inner pair of clamping rollers 62 and the outer pair of clamping rollers 61 is increased, the elastic inner granulating ring 63 is supported into a regular polygon, and the number of inner rings 14 is further unchanged, the three-position, four-position and even higher synchronous granulation is carried out, the driving force can overcome the granulating resistance as the upper limit, the granulating efficiency can be further improved, in order to improve the cleaning of discharging, loose raw materials adhered to the surfaces of the bulk materials and the spherical catalysts which are failed to extrude can fall from the positions of the mesh plates 312 when the spherical catalysts roll through the sieve plates 311, a plurality of baffle bars 313 are arranged on the sieve plates 311 to improve the separating efficiency, the passing spherical catalysts are sprung up and down to shake off the bulk materials on the surfaces, the left part of the two collecting boxes 32 is used for collecting the spherical catalysts, the right part is used for collecting the bulk materials, the surrounding baffle 34 is used for preventing dust emission, the powder feeder 22 adopts a powder quantitative feeder produced by Dandelion automation equipment Co, the quantitative feeding can be carried out, the reasonable feeding amount during granulating is ensured, the compacting of the catalysts by extrusion is ensured, and the blocking is not caused by too much, the two feeding holes 111 are respectively connected with a three-way shell 21 through a feeding pipe 23, and a powder feeder 22 is used for synchronous feeding, so that the structure is compact.
Example 4
Referring to fig. 2, 5 and 6, a granulating apparatus for hydrogenation reduction catalyst, comprising a housing assembly 1 and a granulating assembly 6, wherein the granulating assembly 6 is installed inside the housing assembly 1, a main frame 5 is installed at the right end of the housing assembly 1, and the granulating assembly 6 comprises: the two outer pair of clamping rollers 61 and the two inner pair of clamping rollers 62, the two inner pair of clamping rollers 62 are positioned between the two outer pair of clamping rollers 61, the outer sides of the two inner pair of clamping rollers 62 are sleeved with inner granulating rings 63, the outer sides of the inner granulating rings 63 are sleeved with outer granulating rings 64, the inner granulating rings 63 are provided with inner material cavities 631 towards one side of the inner pair of clamping rollers 62, the circumferential side wall of the inner pair of clamping rollers 62 is provided with inner embedded grooves 622, one side of the outer granulating rings 64 towards the outer pair of clamping rollers 61 is provided with an outer material containing cavity 641, the circumferential side wall of the outer pair of clamping rollers 61 is provided with outer embedded grooves 613, the outer granulating rings 64 are in a right circular ring shape, the middle parts of the upper end and the lower end of the inner granulating rings 63 are tightly stretched to horizontally extend, and the outer walls of the left end and the right end of the inner granulating rings 63 are in abutting contact with the inner walls of the outer granulating rings 64; the housing assembly 1 comprises: the first end plate 11 is installed at the right-hand member of the inner ring 14, the second end plate 13 is installed at the left-hand member of the inner ring 14, the partition plate 141 is installed at the middle part of the inner side of the inner ring 14, a cavity is formed between the inner wall of the outer granulating ring 64 and the outer wall of the inner granulating ring 63, the cavity is divided into a feeding cavity 143 and a discharging cavity 144 by the partition plate 141, the feeding hole 111 is formed in the position of the first end plate 11 corresponding to the feeding cavity 143, and the discharging hole 131 is formed in the position of the second end plate 13 corresponding to the discharging cavity 144.
Specifically, the inner wall of the inner ring 14 is consistent with the circumferential outer wall of the outer granulating ring 64 and the circumferential outer wall of the outer pair of clamping rollers 61, the outer ring 12 amplified by the inner ring 14 in equal proportion is sleeved outside the inner ring 14, a water passing channel 121 is formed by surrounding the inner wall of the outer ring 12, the outer wall of the inner ring 14, the left side wall of the first end plate 11 and the right side wall of the second end plate 13, and a water supply assembly is installed on the side wall of the outer ring 12 in a conducting way.
Further, the water supply assembly comprises a pumping device 4, a water outlet pipe 41 and a water inlet pipe 42, wherein a water outlet of the pumping device 4 is connected with the lowest point of the outer ring 12 through the water inlet pipe 42, and the water outlet pipe 41 is arranged at the highest point of the outer ring 12 in a conducting mode.
Still further, the first end plate 11 is located the inside inner wall mid-mounting of ejection of compact chamber 144 and has push rod 112, and push rod 112 one end and first end plate 11 fixed connection, the push rod 112 other end extends to ejection of compact chamber 144 intermediate position, and baffle 141 bottom is installed stock guide 142 towards ejection of compact chamber 144 one side.
In order to improve the stability of long-time processing, use water supply assembly to provide cooling water for water channel 121, can cool down inner circle 14, outer pelletization ring 64 and outer pair clamp roller 61, and then can cool down equipment, guarantee the temperature of long-time rotatory pelletization is controllable, prevent that the high temperature from leading to catalyst adhesion outer pelletization ring 64 and interior pelletization ring 63, pump 4 can attract cold water, fill water channel 121 through inlet tube 42, because inlet tube 42 is from outer lane 12 minimum water intaking, from outer lane 12 highest point play water, can guarantee that water channel 121 inside can not have gas, guarantee cold water and inner circle 14 fully contact, improve the cooling effect, push rod 112 one end extends to ejection of compact chamber 144 intermediate position, the distance of push rod 112 tip to interior pelletization ring 63 and outer pelletization ring 64 is less than the radius of spherical catalyst after the shaping, can be when through interior pelletization ring 63 and outer pelletization ring 64, release the spherical catalyst that will not independently break away from the holding tank, realize initiative and take off the material, prevent that the holding tank from being taken hold, guarantee the stability of pelletization processing.
In addition, the power supply module, the circuit, the electronic components and the control module are all in the prior art, and can be completely realized by a person skilled in the art, so that the protection of the utility model does not relate to improvement of the internal structure and the method.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (6)
1. The granulating equipment for the hydrogenation reduction catalyst comprises a shell component (1) and a granulating component (6), wherein the granulating component (6) is arranged on the inner side of the shell component (1), the right end of the shell component (1) is provided with a main frame (5), and is characterized in that,
the granulation assembly (6) comprises: the two outer pair of clamping rollers (61) and two inner pair of clamping rollers (62), wherein the two inner pair of clamping rollers (62) are positioned between the two outer pair of clamping rollers (61), an inner granulating ring (63) is sleeved outside the two inner pair of clamping rollers (62), an outer granulating ring (64) is sleeved outside the inner granulating ring (63), an inner material cavity (631) is formed in the inner granulating ring (63) towards one side of the inner pair of clamping rollers (62), an inner embedding groove (622) is formed in the circumferential side wall of the inner pair of clamping rollers (62), an outer material cavity (641) is formed in the outer granulating ring (64) towards one side of the outer pair of clamping rollers (61), an outer embedding groove (613) is formed in the circumferential side wall of the outer pair of clamping rollers (61), the outer granulating ring (64) is in a right circular shape, the upper end and the lower middle of the inner granulating ring (63) is stretched horizontally, and the outer walls of the left end and the right end of the inner granulating ring (63) are in contact with the inner wall of the outer granulating ring (64) in a pressing mode;
the housing assembly (1) comprises: the inner ring (14), first end plate (11) is installed to inner ring (14) right-hand member, second end plate (13) is installed to inner ring (14) left end, inner side mid-mounting of inner ring (14) has baffle (141), enclose between outer pelletization ring (64) inner wall and the interior pelletization ring (63) outer wall and establish into the cavity, baffle (141) divide into feed chamber (143) and ejection of compact chamber (144) with the cavity, feed port (111) have been seted up to first end plate (11) position corresponding to feed chamber (143), discharge port (131) have been seted up to second end plate (13) position corresponding to ejection of compact chamber (144);
the outer wall of the circumference of the outer pair of clamping rollers (61) between the outer embedded grooves (613) is provided with convex ribs (614), and the outer granulating ring (64) is provided with bending parts corresponding to the convex ribs (614);
clamping strips (632) which are arranged at equal intervals are arranged at the edge of the inner wall of the inner granulating ring (63), and clamping grooves (623) are formed at the edge of the outer wall of the circumference of the inner pair of clamping rollers (62);
the middle part of the inner pair of clamping rollers (62) is provided with a belt pulley shaft (621), the middle part of the outer pair of clamping rollers (61) is provided with a gear shaft (611), the middle part of the first end plate (11) is positioned between the belt pulley shaft (621) and the gear shaft (611), a relay wheel (612) is rotatably arranged, and the relay wheel (612) is meshed with the gear shaft (611); a synchronous belt is sleeved between the relay wheel (612) and the belt pulley shaft (621), and a rotary driver (7) is arranged at the end part of the belt pulley shaft (621); the rotary driver (7) provides rotary driving force to drive one belt pulley shaft (621) to rotate, and the two belt pulley shafts (621) rotate in the same direction through a synchronous belt;
the middle part of the inner wall of the first end plate (11) positioned in the discharging cavity (144) is provided with a push rod (112), the push rod (112) extends to the middle position of the discharging cavity (144), and one side of the bottom end of the partition plate (141) facing the discharging cavity (144) is provided with a material guide plate (142); the distance from the end of the push rod (112) to the inner granulating ring (63) and the outer granulating ring (64) is smaller than the radius of the spherical catalyst after molding.
2. The granulating apparatus for hydrogenation reduction catalysts according to claim 1, wherein two of said feed chambers (143) and said discharge chambers (144) are provided, respectively, said feed chambers (143) are communicatively equipped with feed assemblies (2) via feed holes (111), and said discharge chambers (144) are communicatively equipped with discharge assemblies (3) via discharge holes (131).
3. The granulation equipment for hydrogenation reduction catalysts according to claim 2, wherein the discharging component (3) comprises a distributing hopper (31), a discharging hole (314) is arranged at the bottom end of the distributing hopper (31), a sieve plate (311) with a lower left and a higher right is arranged at the right part inside the discharging hole (314), a barrier strip (313) which is arranged at equal intervals is arranged at the top end of the sieve plate (311), and a mesh plate (312) is embedded at the right side of the barrier strip (313).
4. A granulating apparatus for a hydrogenation reduction catalyst according to claim 3, wherein said feeding means (2) comprises a powder feeder (22), a three-way case (21) is installed at the outlet position of said powder feeder (22), a feed pipe (23) having a low left and a high right is installed at the end of said three-way case (21), and said feed pipe (23) is connected to said feed hole (111) in a conductive manner.
5. The granulating device for hydrogenation reduction catalysts according to claim 1, wherein an outer ring (12) is sleeved and arranged on the outer side of the inner ring (14), the outer ring (12), the inner ring (14), the first end plate (11) and the second end plate (13) are surrounded to form a water passing channel (121), and a water supply assembly is arranged on the side wall of the outer ring (12) in a conducting manner.
6. The granulating apparatus for hydrogenation reduction catalysts according to claim 5, wherein said water supply assembly comprises a pump (4), a water outlet pipe (41) and a water inlet pipe (42), wherein the water outlet of said pump (4) is connected with the lowest point of the outer ring (12) through the water inlet pipe (42), and said water outlet pipe (41) is installed at the highest point of the outer ring (12) in a conductive manner.
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| CN217318754U (en) * | 2022-03-14 | 2022-08-30 | 江西天纵科技有限公司 | Waste plastic recycling and granulating device in plastic product production |
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| US9827571B2 (en) * | 2014-02-25 | 2017-11-28 | Zhejiang Future Machinery Co., Ltd | Dry granulator |
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| US2657427A (en) * | 1948-10-01 | 1953-11-03 | British Celanese | Extrusion of filament-forming materials |
| CN105413586A (en) * | 2015-12-22 | 2016-03-23 | 济南大学 | Ring-die granulator, and operating method and application thereof |
| CN207044479U (en) * | 2017-05-03 | 2018-02-27 | 安徽省美妮纸业有限责任公司 | A kind of waste recovery plastic bottle flatting mill |
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