CN210357124U - Horizontal reaction device for preparing molecular sieve catalyst - Google Patents
Horizontal reaction device for preparing molecular sieve catalyst Download PDFInfo
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- CN210357124U CN210357124U CN201920491082.2U CN201920491082U CN210357124U CN 210357124 U CN210357124 U CN 210357124U CN 201920491082 U CN201920491082 U CN 201920491082U CN 210357124 U CN210357124 U CN 210357124U
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- kettle
- centrifugal
- reaction
- reaction kettle
- molecular sieve
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Abstract
The utility model belongs to the technical field of chemical devices, and discloses a horizontal reaction device for preparing a molecular sieve catalyst, which is provided with a reaction kettle; the side surfaces of the reaction kettle and the centrifugal kettle are connected with a shaft of the self-rotating motor through rotating shafts, and supporting shafts of the reaction kettle and the centrifugal kettle are welded with the rotating shaft of the driving motor; the heating cavity is formed in the reaction kettle, the transverse stirring shaft is welded in the reaction kettle, and the plurality of plate-shaped stirring blades are welded on the outer side of the stirring shaft. The utility model discloses be provided with reation kettle and centrifugal kettle, reation kettle and centrifugal kettle fix on same rotating turret for in the material after the reation kettle reaction is accomplished can directly discharge centrifugal kettle's feed inlet through reation kettle's discharge gate, make things convenient for centrifugal filtration, the process is simple, and convenient operation has a plurality of platelike stirring leaves through horizontal (mixing) shaft welding in the reation kettle, and the stirring dynamics is big, can make inside material carry out flash mixed evenly in the short time, improves production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry device, especially, relate to a horizontal reaction unit of preparation molecular sieve catalyst.
Background
Currently, the current state of the art commonly used in the industry is such that:
the titanium-silicon molecular sieve has various types, TS-1 is formed by partially replacing aluminum atoms in a silicon-aluminum molecular sieve by Ti atoms, belongs to ZSM-5 series zeolite molecular sieves, has an MFI topological structure, and is formed by connecting primary structure units such as a silicon-oxygen tetrahedron, a titanium-oxygen tetrahedron and the like through an oxygen bridge to form a secondary structure unit of a five-membered ring and further form a three-dimensional microporous framework.
The TS-1 molecular sieve is characterized in that the molecular sieve has a three-dimensional channel structure formed by interlacing two sets of ten-membered ring channels and one set of nine-membered ring channels, and a first set of approximately parallel channels of the molecular sieve is formed by ten-membered rings formed by four coordination atoms; the second set of channels are also formed by a ten-membered ring consisting of four coordinated atoms and are mutually vertically staggered with the first set of channels; the third set of channels are interlaced with the first and second sets of channels and are composed of nine-membered rings composed of four coordinated atoms, and the molar composition of the anhydrous oxide is (0.001-0.2) TiO2∶SiO2. The molecular sieve can be used as an oxidation catalyst.
In the prior art, the device for preparing the molecular sieve catalyst usually carries out reaction in a closed horizontal reaction device. In the mixing process, the materials are difficult to be quickly and uniformly mixed, and the yield is reduced. In addition, when the materials after the reaction are centrifugally filtered, the materials need to be transferred to a separate centrifugal device, so that the operation is complex and the efficiency is low.
In summary, the problems of the prior art are as follows:
(1) in the process of preparing and mixing the molecular sieve catalyst, materials are difficult to be quickly and uniformly mixed, so that the yield is reduced;
(2) when the materials after the reaction are centrifugally filtered, the materials need to be transferred to an independent centrifugal device, so that the operation is complex and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the problems existing in the prior art, the utility model provides a horizontal reaction device for preparing molecular sieve catalyst.
The utility model discloses a realize like this, a horizontal reaction unit of preparation molecular sieve catalyst is provided with:
a reaction kettle;
the upper end of the reaction kettle is provided with a first charging hole, the lower end of the reaction kettle is provided with a first discharging hole, the first discharging hole corresponds to a second charging hole arranged at the upper end of the centrifugal kettle, the lower end of the centrifugal kettle is provided with a second discharging hole, the side surfaces of the reaction kettle and the centrifugal kettle are connected with a self-rotating motor shaft through rotating shafts, and supporting shafts of the reaction kettle and the centrifugal kettle are welded with the rotating shaft of the driving motor;
the heating cavity is formed in the reaction kettle, the left end and the right end of the heating cavity are communicated with a heat conduction oil inlet and a TPAOH template agent which are embedded in the outer wall of the reaction kettle respectively, a transverse stirring shaft is welded in the reaction kettle, and a plurality of plate-shaped stirring blades are welded on the outer side of the stirring shaft.
The utility model discloses be provided with reation kettle and centrifugal kettle, reation kettle and centrifugal kettle fix on same rotating turret for in the material after the reation kettle reaction is accomplished can directly discharge centrifugal kettle's feed inlet through reation kettle's discharge gate, make things convenient for centrifugal filtration, the process is simple, and convenient operation has a plurality of platelike stirring leaves through horizontal (mixing) shaft welding in the reation kettle, and the stirring dynamics is big, can make inside material carry out flash mixed evenly in the short time, improves production efficiency.
Furthermore, the inner walls of the reaction kettle and the centrifugal kettle are coated with nano wall-hanging-proof coatings.
The utility model discloses a wall coating is prevented to nanometer can prevent that the material from taking place the wall built-up adhesion at reation kettle and centrifugal cauldron inner wall for inside material can the intensive mixing reaction.
Further, the inner wall of the reaction kettle is fixed with an electric thermocouple through a bolt, and the electric thermocouple is electrically connected with an external temperature control device.
The utility model discloses an electric heat couple can detect the inside temperature of reation kettle, through the circulation of the conduction oil in the outside temperature control device control heating chamber for inside temperature keeps about 150 degrees centigrade.
Furthermore, an inflation inlet and an exhaust fan are embedded at the upper end of the reaction kettle, and sealing covers are connected to the outer sides of the inflation inlet and the exhaust fan through shafts.
The utility model discloses an inflation inlet can conveniently be filled into nitrogen gas in the reation kettle to improve the inside atmospheric pressure of reation kettle, can discharge the inside low boiling alcohols steam of reation kettle through the exhaust fan after the reaction is accomplished.
Further, the first feed inlet, the first discharge port, the second feed inlet and the second discharge port are all fixed with valves through bolts, and the second discharge port is fixed with a filter sieve through bolts.
The utility model discloses a valve is convenient to the control of each charge door and discharge gate, can filter the material after the centrifugation of centrifugal cauldron through the filter sieve.
Drawings
FIG. 1 is a schematic structural diagram of a horizontal reaction apparatus for preparing a molecular sieve catalyst according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a temperature control device according to an embodiment of the present invention.
In the figure: 1. a rotation motor; 2. an active motor; 3. a centrifugal kettle rotating shaft; 4. filtering and screening; 5. a valve; 6. centrifuging the kettle; 7. a reaction kettle; 8. stirring blades; 9. a stirring shaft; 10. a rotating frame; 11. a first feed inlet; 12. a first discharge port; 13. a second feed inlet; 14. a second discharge port; 15. an electric thermocouple; 16. A heating cavity; 17. a heat transfer oil inlet; 18. TPAOH templating agent; 19. an inflation inlet; 20. an exhaust fan.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a horizontal reaction apparatus for preparing a molecular sieve catalyst according to an embodiment of the present invention includes: the device comprises a rotation motor 1, a driving motor 2, a centrifugal kettle rotating shaft 3, a filter sieve 4, a valve 5, a centrifugal kettle 6, a reaction kettle 7, a stirring blade 8, a stirring shaft 9, a rotating frame 10, a first feeding hole 11, a first discharging hole 12, a second feeding hole 13, a second discharging hole 14, a thermocouple 15, a heating cavity 16, a heat conduction oil inlet 17, a TPAOH template agent 18, an inflation inlet 19 and an exhaust fan 20.
A first charging hole 11 is formed in the upper end of the reaction kettle 7, a first discharging hole 12 is formed in the lower end of the reaction kettle 7, the first discharging hole 12 corresponds to a second charging hole 13 formed in the upper end of the centrifugal kettle 6, a second discharging hole 14 is formed in the lower end of the centrifugal kettle 6, the side surfaces of the reaction kettle 7 and the centrifugal kettle 6 are connected with the rotation shaft of the rotation motor 1 through rotating shafts, and supporting shafts of the reaction kettle 7 and the centrifugal kettle 6 are welded with the rotating shaft of the driving motor 2; a heating cavity 16 is formed in the reaction kettle 7, the left end and the right end of the heating cavity 16 are respectively communicated with a heat conduction oil inlet 17 and a TPAOH template agent 18 which are embedded on the outer wall of the reaction kettle 7, a transverse stirring shaft 9 is welded in the reaction kettle 7, and a plurality of plate-shaped stirring blades 8 are welded on the outer side of the stirring shaft 9.
Preferably, the inner walls of the reaction kettle 7 and the centrifugal kettle 6 are coated with nano wall-hanging-proof coatings.
Preferably, the thermocouple 15 is fixed on the inner wall of the reaction kettle 7 through a bolt, and the thermocouple 15 is electrically connected with an external temperature control device.
Preferably, the upper end of the reaction kettle 7 is embedded with an inflation inlet 19 and an exhaust fan 20, and the outsides of the inflation inlet 19 and the exhaust fan 20 are connected with sealing covers through shafts.
Preferably, the first charging port 11, the first discharging port 12, the second charging port 13 and the second discharging port 14 are all fixed with valves through bolts, and the second discharging port 14 is fixed with the filter screen 4 through bolts.
The utility model discloses when using, at first all valves are in the closed condition, open first charge door 11 valve, send reaction material into reation kettle from first charge door 11, closed first charge door 11 valve after having sent the material, open the rotation motor 1 of reation kettle 7 side, make (mixing) shaft 9 drive stirring leaf 8 carry out the intensive mixing to the material and mix, thermocouple 15 detects reation kettle 7 inside temperature, through outside temperature control device to the transport motor of the conduction oil in the heating chamber 16 control, thereby control the conduction oil circulation, make inside temperature maintain the scope at 150 degrees centigrade, make reaction material's temperature reach suitable temperature, and put into TPAOH template and water in to reation kettle 7, carry out hydrothermal crystallization, realize the crystallization of reactant.
Nitrogen gas is introduced into the inside of the reaction vessel 7 through the gas inlet 19 so that the internal pressure is higher than the external pressure, thereby providing temperature and pressure conditions for the inside of the reaction vessel 7.
After the full reaction, closing the rotation motor 1, sealing the cover outside the exhaust fan 20, and opening the exhaust fan 20, so that the low boiling point alcohol steam generated by the reaction in the reaction kettle 7 is discharged, opening the valve of the second charging hole 13 and then opening the valve of the first discharging hole 12, after the materials in the reaction kettle 7 all enter the centrifugal kettle 6, closing the valve of the second charging hole 13 and the valve of the first discharging hole 12, and opening the rotation motor on the side surface of the rotation axis of the centrifugal kettle. At this point, the insufficiently reacted material begins to separate from the molecular sieve catalyst.
Starting an active motor 2 on the outer side of the rotating frame to enable a centrifugal kettle 6 to be located above and a reaction kettle 7 to be located below, adjusting a second discharge hole 14 to be aligned to a first feed opening 11, then closing the active motor 2, opening a valve of the second discharge hole 14 and a valve of the first feed opening 11, and after materials which are not completely reacted in the centrifugal kettle 6 enter the reaction kettle 7, closing the second discharge hole 14 and the first feed opening 11; and repeating the operations until the materials completely react to realize the mixed crystallization of the molecular sieve, and then washing, drying and roasting to obtain the TS-1.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (5)
1. A horizontal reaction device for preparing molecular sieve catalyst is characterized in that:
a reaction kettle;
the upper end of the reaction kettle is provided with a first charging hole, the lower end of the reaction kettle is provided with a first discharging hole, the first discharging hole corresponds to a second charging hole arranged at the upper end of the centrifugal kettle, the lower end of the centrifugal kettle is provided with a second discharging hole, the side surfaces of the reaction kettle and the centrifugal kettle are connected with a self-rotating motor shaft through rotating shafts, and supporting shafts of the reaction kettle and the centrifugal kettle are welded with the rotating shaft of the driving motor;
the heating cavity is formed in the reaction kettle, the left end and the right end of the heating cavity are communicated with a heat conduction oil inlet and a TPAOH template agent which are embedded in the outer wall of the reaction kettle respectively, a transverse stirring shaft is welded in the reaction kettle, and a plurality of plate-shaped stirring blades are welded on the outer side of the stirring shaft.
2. The horizontal reaction device for preparing the molecular sieve catalyst as claimed in claim 1, wherein the inner walls of the reaction kettle and the centrifugal kettle are coated with the nano anti-wall-hanging coating.
3. The horizontal reactor for preparing molecular sieve catalyst according to claim 1, wherein the thermocouple is fixed on the inner wall of the reactor by bolts and is electrically connected with the external temperature control device.
4. The horizontal reaction device for preparing molecular sieve catalyst according to claim 1, wherein the upper end of the reaction kettle is embedded with an aeration port and an exhaust fan, and the outer sides of the aeration port and the exhaust fan are connected with a sealing cover through a shaft.
5. The horizontal reaction device for preparing the molecular sieve catalyst according to claim 1, wherein the first feeding port, the first discharging port, the second feeding port and the second discharging port are all fixed with valves through bolts, and the second discharging port is fixed with a filter sieve through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491082.2U CN210357124U (en) | 2019-04-12 | 2019-04-12 | Horizontal reaction device for preparing molecular sieve catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491082.2U CN210357124U (en) | 2019-04-12 | 2019-04-12 | Horizontal reaction device for preparing molecular sieve catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210357124U true CN210357124U (en) | 2020-04-21 |
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ID=70258266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920491082.2U Expired - Fee Related CN210357124U (en) | 2019-04-12 | 2019-04-12 | Horizontal reaction device for preparing molecular sieve catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210357124U (en) |
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2019
- 2019-04-12 CN CN201920491082.2U patent/CN210357124U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210412 |