CN115072734B - Modification method of molecular sieve - Google Patents
Modification method of molecular sieve Download PDFInfo
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- CN115072734B CN115072734B CN202210767072.3A CN202210767072A CN115072734B CN 115072734 B CN115072734 B CN 115072734B CN 202210767072 A CN202210767072 A CN 202210767072A CN 115072734 B CN115072734 B CN 115072734B
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- screening
- molecular sieve
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- 239000002808 molecular sieve Substances 0.000 title claims abstract description 42
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000002715 modification method Methods 0.000 title claims abstract description 13
- 238000012216 screening Methods 0.000 claims abstract description 70
- 239000002994 raw material Substances 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 241000269350 Anura Species 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
-
- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/286—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The application belongs to the technical field of modification of molecular sieves, in particular to a modification method of a molecular sieve, which aims at the problems that raw materials cannot be screened during the existing molecular sieve processing, the raw materials are non-uniform in size and are subjected to static baking, so that the raw materials are heated unevenly during baking, and the application provides the following scheme that the method comprises the following steps: s1: preparing baking equipment to bake the molecular sieve raw material at high temperature; s2: mixing a metal solution with a molecular sieve raw material; s3: the obtained mixture is reacted at a suitable temperature; s4: recovering the molecular sieve; the baking equipment comprises a baking box, a screening mechanism, a stirring mechanism, baking heating equipment and a guiding-out mechanism are arranged in the baking box, a feeding box is arranged at the top of the baking box, and the feeding box and the baking box are communicated with each other through a same pipeline. The application can screen raw materials, can ensure the uniformity of the size of the raw materials, and can stir the raw materials, so that the raw materials are baked and heated uniformly.
Description
Technical Field
The application relates to the technical field of modification of molecular sieves, in particular to a modification method of a molecular sieve.
Background
Molecular sieves are widely used in separation and catalytic techniques, such as for the separation of proteins, polysaccharides and synthetic polymers, and as desiccants for gases and liquids. Catalysts prepared with molecular sieves as the active component are typically used as solid acid catalysts. Publication (bulletin) number: CN101318142B discloses a modification method of SAPO molecular sieve, which mainly solves the problem of poor performance of SAPO molecular sieve in the prior art. The application adopts the following steps: (1) Roasting the SAPO molecular sieve raw powder at high temperature to remove all or part of the template agent; (2) Mixing a metal salt solution with the molecular sieve obtained in the step (1); (3) Reacting the mixture obtained in the step (2) for 0.1 to 8 hours at the temperature of between 80 and 400 ℃; (4) The technical scheme for recycling the molecular sieve solves the problem well, and can be applied to the preparation process of the olefin catalyst prepared from the oxygen-containing compound.
The existing molecular sieve can not screen raw materials during processing, the raw materials are nonuniform in size and are baked at rest, so that the raw materials are baked and heated unevenly.
Disclosure of Invention
The application aims to solve the defects that the existing molecular sieve cannot be used for screening raw materials, the raw materials are nonuniform in size and are subjected to static baking, so that the raw materials are heated unevenly.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a method for modifying a molecular sieve comprising the steps of:
s1: preparing baking equipment to bake the molecular sieve raw material at high temperature;
s2: mixing a metal solution with a molecular sieve raw material;
s3: the obtained mixture is reacted at a suitable temperature;
s4: recovering the molecular sieve;
the baking equipment includes the baking box, be provided with screening mechanism in the baking box, the rabbling mechanism, bake the firing equipment and derive the mechanism, the top of baking box is provided with the charging box, the intercommunication has same pipeline between charging box and the baking box, bake the firing equipment and be a plurality of hot plates, a plurality of hot plates are all embedded on the inner wall of baking box, screening mechanism sets up the inboard at the baking box, the rabbling mechanism sets up the below at screening mechanism, derive the mechanism and lie in the below of baking box, screening mechanism includes the backup pad, be provided with the elasticity unit between backup pad and the baking box, a plurality of constant head tanks have been seted up on the right side of backup pad, equal movable mounting has the locating lever in the plurality of constant head tanks, the right side of backup pad is provided with first screening box, second screening box and receiver, first screening hole has been seted up on the first screening box, the second screening hole has been provided with the delivery tube on the second screening box, the delivery tube extends to the bottom of receiver.
Preferably, the elastic unit comprises a plurality of supporting rods, the left side of the supporting plate is provided with supporting grooves, the supporting rods are in sliding connection with the corresponding supporting grooves, and the same pressure spring is arranged between the supporting rods and the supporting grooves.
Preferably, the same atress slide is installed on the right side of first screening box, second screening box and receiver, and the slide hole has been seted up on the right side of baking box, and the sealing washer is installed to the inner wall in slide hole, and atress slide and the inner wall sliding connection of sealing washer.
Preferably, the right side of baking box installs biax motor, and first rotary rod and second rotary rod are installed respectively to two output shafts of biax motor, and the elastic slot has been seted up at the top of first rotary rod, and sliding mounting has the hexagonal pole in the elastic slot, and eccentric block is installed at the top of hexagonal pole, and the eccentric block is inconsistent with atress slide, and the spring is installed to the bottom of hexagonal pole, and the spring links to each other with the inner wall of elastic slot.
Preferably, the stirring mechanism comprises four spiral stirring shafts, the four spiral stirring shafts are all rotatably arranged on the inner wall of the bottom of the baking box, chain wheels are sleeved on the outer sides of the four spiral stirring shafts, the same chain is meshed with the outer sides of the four chain wheels, a protective shell is arranged at the bottom of the baking box, and the chain is located in the protective shell.
Preferably, the right side of baking box installs vertical axle, and first belt pulley is all installed to the bottom of vertical axle and second rotary rod, and the second belt pulley is all installed to the bottom of two spiral (mixing) shafts, and first belt pulley is connected with same belt with the outside transmission of second belt pulley.
Preferably, two vertical plates are arranged on the baking box, and the belt is movably connected with the vertical plates.
Preferably, the guiding mechanism comprises a guiding cylinder, a transverse shaft is rotatably arranged in the guiding cylinder, a spiral blade is arranged on the outer side of the transverse shaft, a discharge hole is arranged at the bottom of the guiding cylinder, the baking box and the guiding cylinder are communicated with each other, an electromagnetic valve pipe is arranged at the bottom end of the vertical shaft, electromagnetic clutches are arranged at the bottom ends of the vertical shaft, bevel gears are arranged on the electromagnetic clutches and the transverse shaft, and the two bevel gears are meshed.
In the application, the modification method of the molecular sieve has the beneficial effects that:
in the scheme, raw materials fall into a first screening box, are screened through a plurality of first screening holes and fall into a second screening box, then are secondarily screened through a plurality of second screening holes, the storage box can store fine raw materials, and raw materials in the second screening box can be led into the baking box through the delivery pipe, so that the raw materials can be uniformly stored;
in the scheme, the double-shaft motor drives the eccentric block to rotate through the hexagonal rod by the first rotary rod, the eccentric block extrudes the stressed slide plate to vibrate, the pressure spring provides reset elastic force for the support plate, the first screening box, the second screening box and the storage box vibrate, and the filtering effect can be improved;
in the scheme, the second rotating rod drives one spiral stirring shaft to rotate through the first belt pulley, the belt and the second belt pulley on the right side, and drives the other three spiral stirring shafts to rotate through the four chain wheels and the chain, so that raw materials can be stirred and overturned, and heating uniformity is improved;
in the scheme, the electromagnetic clutch is started, the spiral stirring shaft drives the vertical shaft to rotate through the first belt pulley, the belt and the second belt pulley on the left side, the vertical shaft drives the transverse shaft to rotate through the electromagnetic clutch and the two bevel gears, and the transverse shaft drives the spiral blades to rotate, so that raw materials can be conveyed;
the application can screen raw materials, can ensure the uniformity of the size of the raw materials, and can stir the raw materials, so that the raw materials are baked and heated uniformly.
Drawings
FIG. 1 is a schematic diagram of a modification method of a molecular sieve according to the present application;
FIG. 2 is a schematic cross-sectional view of a method for modifying a molecular sieve according to the present application;
FIG. 3 is a schematic structural diagram of part A of a modification method of a molecular sieve according to the present application;
FIG. 4 is a schematic diagram of a portion B of a modification method of a molecular sieve according to the present application;
FIG. 5 is a schematic diagram of a portion C of a modification method of a molecular sieve according to the present application;
fig. 6 is a schematic diagram of a portion D of a modification method of a molecular sieve according to the present application.
In the figure: 1. a baking box; 2. a charging box; 3. a pipe; 4. a biaxial motor; 5. a heating plate; 6. a first rotating lever; 7. a hexagonal rod; 8. a spring; 9. an eccentric block; 10. a stressed slide plate; 11. a seal ring; 12. a first screening cassette; 13. a second screening cassette; 14. a storage box; 15. a first screening well; 16. a second screening well; 17. a support plate; 18. a support rod; 19. a pressure spring; 20. a positioning groove; 21. a positioning rod; 22. a vertical shaft; 23. a second rotating lever; 24. a first pulley; 25. a belt; 26. a spiral stirring shaft; 27. a protective shell; 28. a sprocket; 29. a chain; 30. a second pulley; 31. an electromagnetic clutch; 32. a transverse axis; 33. bevel gears; 34. a vertical plate; 35. a lead-out cylinder; 36. spiral leaves; 37. a discharge port; 38. a solenoid valve tube; 39. a baffle; 40. a leak hole; 41. a worm; 42. a worm wheel; 43. a linkage shaft; 44. a reciprocating screw rod; 45. a reciprocating lever; 46. an intermittent plate; 47. a guide rod.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Example 1
Referring to fig. 1-5, a method of modifying a molecular sieve comprises the steps of:
s1: preparing baking equipment to bake the molecular sieve raw material at high temperature;
s2: mixing a metal solution with a molecular sieve raw material;
s3: the obtained mixture is reacted at a suitable temperature;
s4: recovering the molecular sieve;
the baking equipment comprises a baking box 1, a screening mechanism, a stirring mechanism, baking heating equipment and a guiding-out mechanism are arranged in the baking box 1, a feeding box 2 is arranged at the top of the baking box 1, the feeding box 2 is communicated with the baking box 1 through a same pipeline 3, the baking heating equipment is a plurality of heating plates 5, the heating plates 5 are embedded in the inner wall of the baking box 1, the screening mechanism is arranged at the inner side of the baking box 1, the stirring mechanism is arranged below the screening mechanism, the guiding-out mechanism is arranged below the baking box 1, the screening mechanism comprises a supporting plate 17, an elastic unit is arranged between the supporting plate 17 and the baking box 1, a plurality of positioning grooves 20 are formed in the right side of the supporting plate 17, positioning rods 21 are movably arranged in the positioning grooves 20, a first screening box 12, a second screening box 13 and a storage box 14 are all connected with the corresponding positioning rods 21, a first screening hole 15 is formed in the first screening box 12, a second screening hole 16 is formed in the second screening box 13, a second guiding-out pipe 13 is formed in the second screening box 13, and the second guiding-out pipe 13 is arranged at the bottom of the storage box 14 and extends to the storage box 14; the positioning rod 21 cooperates with the positioning groove 20 to support the first screening cassette 12, the second screening cassette 13, and the storage cassette 14.
Referring to fig. 4, in this embodiment, the elastic unit includes a plurality of struts 18, a supporting slot is formed on the left side of the supporting plate 17, the struts 18 are slidably connected with the corresponding supporting slots, and the same pressure spring 19 is installed between the struts 18 and the supporting slots; the pressure spring 19 provides an elastic force to the support plate 17.
Referring to fig. 4, in the present embodiment, the right sides of the first screening box 12, the second screening box 13 and the storage box 14 are provided with the same stressed slide plate 10, the right side of the baking box 1 is provided with a slide hole, the inner wall of the slide hole is provided with a sealing ring 11, and the stressed slide plate 10 is in sliding connection with the inner wall of the sealing ring 11; the sealing ring 11 seals the stressed slide plate 10.
Referring to fig. 3, in the present embodiment, a dual-shaft motor 4 is installed on the right side of the baking box 1, two output shafts of the dual-shaft motor 4 are respectively installed with a first rotating rod 6 and a second rotating rod 23, an elastic groove is opened at the top of the first rotating rod 6, a hexagonal rod 7 is slidably installed in the elastic groove, an eccentric block 9 is installed at the top of the hexagonal rod 7, the eccentric block 9 is in contact with a stressed slide plate 10, a spring 8 is installed at the bottom of the hexagonal rod 7, and the spring 8 is connected with the inner wall of the elastic groove; the biax motor 4 drives first rotary rod 6 and second rotary rod 23 rotation, and first rotary rod 6 drives through hexagonal pole 7 drives eccentric block 9 rotation, and eccentric block 9 extrusion atress slide 10 vibrations provide the elasticity that resets for backup pad 17 through pressure spring 19, can make first screening box 12, second screening box 13 and receiver 14 vibrations, can improve the filter effect.
Referring to fig. 5, in this embodiment, the stirring mechanism includes four spiral stirring shafts 26, the four spiral stirring shafts 26 are all rotatably mounted on the inner wall of the bottom of the baking box 1, the outer sides of the four spiral stirring shafts 26 are all sleeved with chain wheels 28, the outer sides of the four chain wheels 28 are engaged with the same chain 29, the bottom of the baking box 1 is mounted with a protective shell 27, and the chain 29 is located in the protective shell 27; the four spiral stirring shafts 26 rotate to stir and turn over the raw materials, so that heating uniformity is improved.
Referring to fig. 5, in the present embodiment, a vertical shaft 22 is installed on the right side of the baking box 1, first belt pulleys 24 are installed at the bottom ends of the vertical shaft 22 and a second rotating rod 23, second belt pulleys 30 are installed at the bottom ends of two spiral stirring shafts 26, and the first belt pulleys 24 are in transmission connection with the same belt 25 on the outer sides of the second belt pulleys 30.
Referring to fig. 5, in the present embodiment, two vertical plates 34 are installed to the roasting box 1, and the belt 25 is movably connected to the vertical plates 34.
Referring to fig. 2, in this embodiment, the guiding mechanism includes a guiding cylinder 35, a transverse shaft 32 is rotatably mounted in the guiding cylinder 35, a spiral blade 36 is mounted on the outer side of the transverse shaft 32, a discharge port 37 is mounted at the bottom of the guiding cylinder 35, the baking box 1 and the guiding cylinder 35 are communicated with one electromagnetic valve 38, an electromagnetic clutch 31 is mounted at the bottom end of the vertical shaft 22, bevel gears 33 are mounted on the electromagnetic clutch 31 and the transverse shaft 32, and the two bevel gears 33 are meshed.
The specific work in the step S1:
firstly, raw materials are added into a charging box 2, the raw materials can be led into a baking box 1 through a pipeline 3, the raw materials fall into a first screening box 12, screening is carried out through a plurality of first screening holes 15, the raw materials fall into a second screening box 13, then the raw materials are screened for the second time through a plurality of second screening holes 16, fine raw materials can be stored in a storage box 14, and the raw materials in the second screening box 13 can be led into the baking box 1 through an eduction tube;
secondly, the double-shaft motor 4 is started, the double-shaft motor 4 drives the first rotary rod 6 and the second rotary rod 23 to rotate, the first rotary rod 6 drives the eccentric block 9 to rotate through the hexagonal rod 7, the eccentric block 9 extrudes the stressed slide plate 10 to vibrate, and the pressure spring 19 provides reset elastic force for the support plate 17, so that the first screening box 12, the second screening box 13 and the storage box 14 vibrate, and the filtering effect can be improved;
thirdly, the eccentric block 9 is pressed down, the stressed slide plate 10 is pulled, the first screening box 12, the second screening box 13 and the storage box 14 can be pulled out for cleaning, and the installation can be continued for use; the heating plate 5 can bake and heat the raw materials;
fourth, the second rotary rod 23 drives one spiral stirring shaft 26 to rotate through the first belt pulley 24, the belt 25 and the second belt pulley 30 on the right side, and drives the other three spiral stirring shafts 26 to rotate through the four chain wheels 28 and the chain 29, so that raw materials can be stirred and turned over, heating uniformity is improved, and after heating is finished;
fifth, the electromagnetic valve tube 38 is opened, so that baked raw materials enter the guiding-out tube 35, the electromagnetic clutch 31 is started, the spiral stirring shaft 26 drives the vertical shaft 22 to rotate through the first belt pulley 24, the belt 25 and the second belt pulley 30 on the left side, the vertical shaft 22 drives the transverse shaft 32 to rotate through the electromagnetic clutch 31 and the two bevel gears 33, the transverse shaft 32 drives the spiral blades 36 to rotate, raw materials can be conveyed, and then the raw materials are guided out through the discharging hole 37.
Example two
Referring to fig. 6, the difference between the second embodiment and the first embodiment is that: a baffle 39 is arranged in the feeding box 2, a leak 40 is formed in the baffle 39, an intermittent plate 46 is slidably arranged at the bottom of the baffle 39, a guide rod 47 is arranged on the inner wall of the feeding box 2, a guide groove is formed in the intermittent plate 46, the guide rod 47 is slidably connected with the inner wall of the guide groove, a linkage shaft 43 is rotatably arranged on the feeding box 2, a worm wheel 42 is arranged at the outer end of the linkage shaft 43, a worm 41 is arranged at the top end of the vertical shaft 22, the worm 41 is meshed with the worm wheel 42, a reciprocating screw rod 44 is arranged at the inner end of the linkage shaft 43, a reciprocating rod 45 is slidably arranged in a wire groove on the reciprocating screw rod 44, and the reciprocating rod 45 is connected with the bottom of the intermittent plate 46;
specifically, the vertical shaft 22 drives the linkage shaft 43 to rotate through the worm 41 and the worm wheel 42, the linkage shaft 43 drives the reciprocating screw rod 44 to rotate, the reciprocating screw rod 44 drives the reciprocating rod 45 to slide reciprocally through the screw groove, the reciprocating rod 45 drives the intermittent plate 46 to slide reciprocally, the leak holes 40 can be opened intermittently, raw materials enter the baking box 1 intermittently, the disposable addition is avoided, the filtering and baking effects are influenced, all structures in the baking box can be selected according to the actual use condition, the drawing is a schematic structural diagram, and the specific actual size can be adjusted appropriately.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present application and the inventive concept thereof, within the scope of the present application.
Claims (5)
1. A method for modifying a molecular sieve, comprising the steps of:
s1: preparing baking equipment to bake the molecular sieve raw material at high temperature;
s2: mixing a metal solution with a molecular sieve raw material;
s3: the obtained mixture is reacted at a suitable temperature;
s4: recovering the molecular sieve;
the baking equipment comprises a baking box (1), a screening mechanism, a stirring mechanism, baking heating equipment and a guiding-out mechanism are arranged in the baking box (1), a feeding box (2) is arranged at the top of the baking box (1), a plurality of positioning grooves (20) are formed in the right side of the supporting plate (17), a positioning rod (21) is movably arranged in the positioning grooves (20), a first screening box (12), a second screening box (13) and a storage box (14) are arranged on the right side of the supporting plate (17), the first screening box (12), the second screening box (13) and the storage box (14) are embedded on the inner wall of the baking box (1), the stirring mechanism is arranged below the screening mechanism, the guiding-out mechanism is arranged below the baking box (1), the screening mechanism comprises a supporting plate (17), an elastic unit is arranged between the supporting plate (17) and the baking box (1), a plurality of positioning grooves (20) are formed in the right side of the supporting plate (17), a positioning rod (21) is movably arranged in the positioning grooves (20), a first screening box (12), a second screening box (13) and a storage box (14) are embedded in the right side of the supporting plate (17), the first screening box (12), the second screening box (13) and the second screening box (13) is correspondingly provided with a positioning rod (21), a second screening hole (13) is formed in the second screening hole, the delivery tube extends to the bottom of the storage box (14); the elastic unit comprises a plurality of supporting rods (18), a supporting groove is formed in the left side of the supporting plate (17), the supporting rods (18) are connected with the corresponding supporting grooves in a sliding mode, and the same pressure spring (19) is arranged between the supporting rods (18) and the supporting grooves; the right sides of the first screening box (12), the second screening box (13) and the storage box (14) are provided with the same stressed slide plate (10), the right side of the baking box (1) is provided with a slide hole, the inner wall of the slide hole is provided with a sealing ring (11), and the stressed slide plate (10) is in sliding connection with the inner wall of the sealing ring (11); the right side of the baking box (1) is provided with a double-shaft motor (4), two output shafts of the double-shaft motor (4) are respectively provided with a first rotating rod (6) and a second rotating rod (23), the top of the first rotating rod (6) is provided with an elastic groove, a hexagonal rod (7) is slidably arranged in the elastic groove, the top of the hexagonal rod (7) is provided with an eccentric block (9), and the eccentric block (9) is in contact with a stressed slide plate (10); a spring (8) is arranged at the bottom of the hexagonal rod (7), and the spring (8) is connected with the inner wall of the elastic groove; the double-shaft motor (4) drives the first rotary rod (6) and the second rotary rod (23) to rotate, the first rotary rod (6) drives the eccentric block (9) to rotate through the hexagonal rod (7), the eccentric block (9) extrudes the stressed slide plate (10) to vibrate, the pressure spring (19) provides reset elastic force for the supporting plate (17), the first screening box (12), the second screening box (13) and the storage box (14) can vibrate, and the filtering effect can be improved; the stirring mechanism comprises four spiral stirring shafts (26), the four spiral stirring shafts (26) are rotatably arranged on the inner wall of the bottom of the baking box (1), chain wheels (28) are sleeved on the outer sides of the four spiral stirring shafts (26), the same chain (29) is meshed with the outer sides of the four chain wheels (28), a protective shell (27) is arranged at the bottom of the baking box (1), and the chain (29) is located in the protective shell (27); the four spiral stirring shafts (26) rotate, so that raw materials can be stirred and turned over, and heating uniformity is improved; a baffle (39) is arranged in the feeding box (2), a leak hole (40) is formed in the baffle (39), an intermittent plate (46) is slidably arranged at the bottom of the baffle (39), a guide rod (47) is arranged on the inner wall of the feeding box (2), a guide groove is formed in the intermittent plate (46), the guide rod (47) is slidably connected with the inner wall of the guide groove, a linkage shaft (43) is rotatably arranged on the feeding box (2), a worm wheel (42) is arranged at the outer end of the linkage shaft (43), a worm (41) is arranged at the top end of the vertical shaft (22), the worm (41) is meshed with the worm wheel (42), a reciprocating screw rod (44) is arranged at the inner end of the linkage shaft (43), a reciprocating rod (45) is slidably arranged in a screw groove on the reciprocating screw rod (44), and the reciprocating rod (45) is connected with the bottom of the intermittent plate (46);
specifically, the vertical shaft (22) drives the linkage shaft (43) to rotate through the worm (41) and the worm wheel (42), the linkage shaft (43) drives the reciprocating screw rod (44) to rotate, the reciprocating screw rod (44) drives the reciprocating rod (45) to slide back and forth through the wire groove, the reciprocating rod (45) drives the intermittent plate (46) to slide back and forth, the leak hole (40) can be opened intermittently, raw materials intermittently enter the baking box (1), and one-time addition is avoided.
2. The modification method of the molecular sieve according to claim 1, wherein a vertical shaft (22) is installed on the right side of the baking box (1), first belt pulleys (24) are installed at the bottom ends of the vertical shaft (22) and the second rotary rod (23), second belt pulleys (30) are installed at the bottom ends of the two spiral stirring shafts (26), and the first belt pulleys (24) are in transmission connection with the outer sides of the second belt pulleys (30) with one belt (25).
3. A method of modifying a molecular sieve according to claim 1, wherein the baking box (1) is provided with two vertical plates (34), and the belt (25) is movably connected with the vertical plates (34).
4. The modification method of the molecular sieve according to claim 1, wherein the guiding-out mechanism comprises a guiding-out cylinder (35), a transverse shaft (32) is rotatably installed in the guiding-out cylinder (35), a spiral blade (36) is installed on the outer side of the transverse shaft (32), a discharging hole (37) is installed at the bottom of the guiding-out cylinder (35), and the same electromagnetic valve pipe (38) is communicated between the baking box (1) and the guiding-out cylinder (35).
5. The method for modifying a molecular sieve according to claim 4, wherein an electromagnetic clutch (31) is installed at the bottom end of the vertical shaft (22), bevel gears (33) are installed on the electromagnetic clutch (31) and the transverse shaft (32), and the two bevel gears (33) are meshed.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318142A (en) * | 2008-06-12 | 2008-12-10 | 中国石油化工股份有限公司 | Modification method for SAPO molecular sieve |
| CN106672989A (en) * | 2017-03-27 | 2017-05-17 | 上海恒业分子筛股份有限公司 | Production equipment of molecular sieve activated powder and method for producing molecular sieve activated powder |
| CN111589433A (en) * | 2020-05-22 | 2020-08-28 | 萍乡市石化填料有限责任公司 | Production equipment of molecular sieve activated powder and method for producing molecular sieve activated powder |
| CN212915667U (en) * | 2020-08-10 | 2021-04-09 | 江西宝安新材料科技有限公司 | Production equipment of molecular sieve activated powder |
| CN112694096A (en) * | 2020-12-24 | 2021-04-23 | 晋中学院 | Production equipment of molecular sieve activated powder and method for producing molecular sieve activated powder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3718623A4 (en) * | 2017-11-30 | 2020-12-02 | Dalian Institute of Chemical Physics, Chinese Academy of Sciences | Molecular sieve-based catalyst modification apparatus, and method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318142A (en) * | 2008-06-12 | 2008-12-10 | 中国石油化工股份有限公司 | Modification method for SAPO molecular sieve |
| CN106672989A (en) * | 2017-03-27 | 2017-05-17 | 上海恒业分子筛股份有限公司 | Production equipment of molecular sieve activated powder and method for producing molecular sieve activated powder |
| CN111589433A (en) * | 2020-05-22 | 2020-08-28 | 萍乡市石化填料有限责任公司 | Production equipment of molecular sieve activated powder and method for producing molecular sieve activated powder |
| CN212915667U (en) * | 2020-08-10 | 2021-04-09 | 江西宝安新材料科技有限公司 | Production equipment of molecular sieve activated powder |
| CN112694096A (en) * | 2020-12-24 | 2021-04-23 | 晋中学院 | Production equipment of molecular sieve activated powder and method for producing molecular sieve activated powder |
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