CN221016463U

CN221016463U - Jet mill crushing mechanism for crushing molecular sieve

Info

Publication number: CN221016463U
Application number: CN202322869847.0U
Authority: CN
Inventors: 王伟; 白旭; 姚志勇
Original assignee: Dalian Longyuan Chemical Co ltd
Current assignee: Dalian Longyuan Chemical Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-28
Anticipated expiration: 2033-10-25

Abstract

The utility model relates to the technical field of jet milling, in particular to a jet mill milling mechanism for milling molecular sieves, which is convenient for drying and filtering added high-pressure gas, improving the quality of subsequent molecular sieves, facilitating the drying of the molecular sieves, improving the practicability, facilitating the control of the feeding rate of the molecular sieves and improving the milling quality; comprises a main body mechanism; still include feed mechanism, accuse fast mechanism, mechanism that admits air, supplementary stoving mechanism, heating mechanism and filtering mechanism, feed mechanism installs on main part mechanism, and accuse fast mechanism installs on feed mechanism, and feed mechanism installs in main part mechanism's bottom, and supplementary stoving mechanism installs on feed mechanism, and heating mechanism installs on supplementary stoving mechanism, and filtering mechanism installs on feed mechanism, main part mechanism is convenient for carry out classified filtration to the molecular sieve after smashing, and feed mechanism carries out the material loading to the molecular sieve, and accuse fast mechanism controls the speed of material loading.

Description

Jet mill crushing mechanism for crushing molecular sieve

Technical Field

The utility model relates to the technical field of jet milling, in particular to a jet mill milling mechanism for molecular sieve milling.

Background

The molecular sieve is an aluminosilicate compound with cubic lattice, and has uniform microporous structure, and its pore diameter is uniform, and these pores can adsorb the molecules smaller than its diameter into the interior of pore cavity, and have preferential adsorption capacity for polar molecules and unsaturated molecules, so that the molecules with different polarity degrees, saturation degrees, molecular size and boiling point can be separated, i.e. the molecular sieve has the action of screening molecules, so that the traditional pulverizing device has the defects of non-uniform volume of the pulverized body due to limited pulverizing range in the pulverizing process, so that the air-flow pulverizer is produced.

Among the current molecular sieve jet milling technology, as the prior art of application number 202022256922.2, smash chamber, feeder hopper, arc, high-pressure air-blower, sieve, swash plate, lead screw seat, rotation motor, bracing piece and storing steamer tray including the box, rotate through the lead screw seat respectively in smashing the both sides in chamber and be provided with the lead screw, the peripheral screw of lead screw has cup jointed the bracing piece, the other end and the sieve of bracing piece carry out fixed connection, drive the lead screw through rotation motor and rotate, can drive the sieve and reciprocate, thereby produce the vibration and make the less object of volume drop into in the storing steamer tray through the sieve.

However, after the molecular sieve is subjected to jet milling, a part of molecular sieve which does not reach the diameter requirement is also contained, the molecular sieve which does not reach the standard is not convenient to mill again in the prior art, so that the milling quality and practicality are reduced, and when the molecular sieve is milled, the gas possibly contains moisture and impurities, the moisture and impurities can influence the milling quality in the later period, and the feeding speed is not convenient to control in the prior art, so that the milling quality is influenced.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the jet mill crushing mechanism for crushing the molecular sieve, which is convenient for drying and filtering the added high-pressure gas, improving the quality of the subsequent molecular sieve, drying the molecular sieve, improving the practicability, controlling the feeding rate of the molecular sieve and improving the crushing quality.

The utility model relates to a jet mill crushing mechanism for crushing a molecular sieve, which comprises a main body mechanism; the device comprises a main body mechanism, a feeding mechanism, a speed control mechanism, an air inlet mechanism, an auxiliary drying mechanism, a heating mechanism and a filtering mechanism, wherein the feeding mechanism is arranged on the main body mechanism, the speed control mechanism is arranged on the feeding mechanism, the air inlet mechanism is arranged at the bottom end of the main body mechanism, the auxiliary drying mechanism is arranged on the air inlet mechanism, the heating mechanism is arranged on the auxiliary drying mechanism, the filtering mechanism is arranged on the air inlet mechanism, the main body mechanism is convenient for classifying and filtering crushed molecular sieves, the feeding mechanism is used for feeding the molecular sieves, the speed control mechanism is used for controlling the feeding speed, the air inlet mechanism is used for adding high-pressure gas into the main body mechanism, the auxiliary drying mechanism is used for spiraling the gas of the air inlet mechanism, the heating mechanism is used for heating the gas of the air inlet mechanism, and the filtering mechanism is used for filtering the gas of the air inlet mechanism; the main body mechanism is convenient for carry out graded filtration on the crushed molecular sieve, the molecular sieve which does not accord with the size is returned to the main body mechanism for carrying out secondary crushing, the crushing quality is improved, the feeding mechanism carries out feeding on the molecular sieve, the speed control mechanism controls the feeding speed, the air inlet mechanism adds high-pressure air into the main body mechanism, the molecular sieve in the main body mechanism is crushed, the auxiliary drying mechanism spirals the air of the air inlet mechanism, the heating mechanism is convenient for heating the air of the air inlet mechanism, the dryness of the air is kept, the molecular sieve can also be dried, the filtering mechanism filters the air of the air inlet mechanism, and the quality of the molecular sieve is improved.

Preferably, the main body mechanism comprises a crushing bin, a classifying filter, an induced draft fan and a discharge pipe, wherein the classifying filter is arranged at the top end of the crushing bin, the induced draft fan is arranged at the top end of the classifying filter, and the discharge pipe is arranged on the induced draft fan; after the molecular sieve in the crushing bin is filtered, the induced draft fan is opened, the molecular sieve conforming to the diameter size enters the subsequent collecting device through the discharging pipe to be collected under the graded filtration of the graded filter, and the molecular sieve not conforming to the diameter size returns to the crushing bin through the inner wall of the crushing bin to be crushed again until conforming to the diameter size.

Preferably, the feeding mechanism comprises a feeding hopper and a feeding pipe, wherein the feeding hopper is arranged on the feeding pipe, the feeding pipe is arranged on the side wall of the crushing bin, and the feeding pipe extends into the crushing bin and is communicated with the feeding pipe; firstly, adding a molecular sieve into an upper hopper, and then, under the control of a speed control mechanism, feeding the molecular sieve into a crushing bin through a feeding pipe to crush.

Preferably, the speed control mechanism comprises a rotating shaft, a plurality of baffles and a speed control motor, wherein the rotating shaft is rotatably arranged on the side wall of the upper hopper, the baffles are arranged on the rotating shaft, the speed control motor is arranged on the side wall of the upper hopper, and the output end of the speed control motor is connected with the rotating shaft; when the feeding speed of the molecular sieve is to be regulated and controlled, the speed control motor is turned on to drive the rotating shaft to rotate, so that the molecular sieve enters into the space between the baffles, the baffles are driven to rotate through the rotating shaft, the space between the baffles is filled with the molecular sieve, then the feeding is completed, and the feeding speed of the molecular sieve is regulated by controlling the rotating speed of the speed control motor.

Preferably, the air inlet mechanism comprises a fan, an air pipe, a pressure pump, a plurality of air pipes and a plurality of Laval nozzles, the pressure pump is arranged at the bottom end of the crushing bin, one ends of the air pipes are connected with the pressure pump, the other ends of the air pipes are arranged on the side wall of the crushing bin, the air pipes extend into the crushing bin, one Laval nozzle is arranged at the inner end of each air pipe, and the fan is connected with the pressure pump through the air pipe; when the molecular sieve is crushed by adding high-pressure gas into the crushing bin, air is filtered by the filtering mechanism and added by the auxiliary drying mechanism by opening the fan, enters the pressurizing pump to be pressurized, is sprayed out of the Laval nozzles at high speed by the air supply pipe, and is sprayed in opposite directions among a plurality of groups of Laval nozzles, so that the molecular sieve added by the feeding pipe collides, and the crushing is finished.

Preferably, the auxiliary drying mechanism comprises an insulation box and a coiled pipe, the coiled pipe is spirally arranged in the insulation box, the coiled pipe is provided with an air inlet and an air outlet, the air inlet of the coiled pipe is connected with an air pipe, and the air outlet of the coiled pipe is connected to the pressurizing pump through the air pipe; through setting up the insulation can and keep warm to whole, reduce heat dissipation, through being provided with the coil pipe, improve gaseous spiral route, be convenient for heating mechanism heats gas, improve the efficiency and the quality of heating, the moisture in the removal gas to be convenient for dry molecular sieve, improve the practicality.

Preferably, the heating mechanism comprises a heating pipe, a water tank, a water inlet, a heating plate, a temperature controller, a water pump, a water inlet pipe and a water return pipe, wherein the heating pipe is installed through the heat insulation box, the coiled pipe is coiled on the outer wall of the heating pipe, the water tank is provided with the water inlet, the heating plate is installed in the water tank, the temperature controller is installed on the inner wall of the water tank, the water pump is installed on the side wall of the water tank, one end of the water inlet pipe is installed on the water pump, the other end of the water inlet pipe is installed at the bottom end of the heating pipe, one end of the water return pipe is installed at the top end of the water tank, and the other end of the water return pipe is installed at the top end of the heating pipe; adding water in to the water tank through the water inlet, then opening the hot plate and heating the water in the water tank, monitor the temperature of water through the temperature controller, enter into the heating pipe through opening the water pump with water through the water inlet pipe in, then in the water tank is refluxed through the wet return, carries out heat exchange through the gas in heating pipe and the coiled pipe and accomplishes the heating and the drying to gas, improves the practicality.

Preferably, the filtering mechanism comprises a filtering box, a slideway, a filtering plate, a sealing limiting plate and a handle, wherein the filtering box is arranged on the gas pipe, a cavity is arranged in the filtering box, the slideway is arranged on the inner wall of the filtering box, the top end of the filtering box is provided with a mounting groove, the filtering plate passes through the mounting groove to be slidably arranged in the slideway, the sealing limiting plate is arranged on the filtering plate, and the handle is arranged on the top end of the filtering plate; through filter slidable mounting in the slide, be convenient for clear up and change the filter to carry out spacingly and sealed to the filter through being provided with sealed limiting plate, the air is through the gas-supply pipe entering to the rose box in after, filters the impurity in the air through the filter, then gets into supplementary stoving mechanism in through the gas-supply pipe and heats.

Compared with the prior art, the utility model has the beneficial effects that: the main body mechanism is convenient for carry out graded filtration on the crushed molecular sieve, the molecular sieve which does not accord with the size is returned to the main body mechanism for carrying out secondary crushing, the crushing quality is improved, the feeding mechanism carries out feeding on the molecular sieve, the speed control mechanism controls the feeding speed, the air inlet mechanism adds high-pressure air into the main body mechanism, the molecular sieve in the main body mechanism is crushed, the auxiliary drying mechanism spirals the air of the air inlet mechanism, the heating mechanism is convenient for heating the air of the air inlet mechanism, the dryness of the air is kept, the molecular sieve can also be dried, the filtering mechanism filters the air of the air inlet mechanism, and the quality of the molecular sieve is improved.

Drawings

FIG. 1 is a schematic view of a first axial structure of the present utility model;

FIG. 2 is a schematic view of a second axial structure of the present utility model;

FIG. 3 is a schematic view of a third axial structure of the present utility model;

FIG. 4 is a schematic view of a fourth axial structure of the present utility model;

FIG. 5 is a schematic view of the right-side cross-sectional structure of the present utility model;

FIG. 6 is a schematic view of a rear cross-sectional structure of the present utility model;

FIG. 7 is a schematic top sectional view of the present utility model;

FIG. 8 is a schematic diagram of a front cross-sectional isometric construction of the present utility model;

The reference numerals in the drawings: 01. a main body mechanism; 11. crushing the bin; 12. a classification filter; 13. an induced draft fan; 14. a discharge pipe; 02. a feeding mechanism; 21. feeding a hopper; 22. a feed pipe; 03. a speed control mechanism; 31. a rotating shaft; 32. a baffle; 33. a speed control motor; 04. an air inlet mechanism; 41. a blower; 42. a gas pipe; 43. a pressurizing pump; 44. an air supply pipe; 45. a laval nozzle; 05. an auxiliary drying mechanism; 51. an insulation box; 52. a coiled tube; 06. a heating mechanism; 61. heating pipes; 62. a water tank; 63. a water inlet; 64. a heating plate; 65. a temperature controller; 66. a water pump; 67. a water inlet pipe; 68. a water return pipe; 07. a filtering mechanism; 71. a filter box; 72. a slideway; 73. a filter plate; 74. sealing limiting plates; 75. a handle.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 2, 5 and 8, the device comprises a main body mechanism 01, a feeding mechanism 02, a speed control mechanism 03, an air inlet mechanism 04, an auxiliary drying mechanism 05, a heating mechanism 06 and a filtering mechanism 07, wherein the feeding mechanism 02 is arranged on the main body mechanism 01, the speed control mechanism 03 is arranged on the feeding mechanism 02, the air inlet mechanism 04 is arranged at the bottom end of the main body mechanism 01, the auxiliary drying mechanism 05 is arranged on the air inlet mechanism 04, the heating mechanism 06 is arranged on the auxiliary drying mechanism 05, and the filtering mechanism 07 is arranged on the air inlet mechanism 04;

The main body mechanism 01 is convenient for classifying and filtering the crushed molecular sieve, the feeding mechanism 02 feeds the molecular sieve, the speed control mechanism 03 controls the feeding speed, the air inlet mechanism 04 adds high-pressure air into the main body mechanism 01, the auxiliary drying mechanism 05 spirals the air of the air inlet mechanism 04, the heating mechanism 06 heats the air of the air inlet mechanism 04, and the filtering mechanism 07 filters the air of the air inlet mechanism 04;

The main body mechanism 01 comprises a crushing bin 11, a classifying filter 12, an induced draft fan 13 and a discharge pipe 14, wherein the classifying filter 12 is arranged at the top end of the crushing bin 11, the induced draft fan 13 is arranged at the top end of the classifying filter 12, and the discharge pipe 14 is arranged on the induced draft fan 13;

The feeding mechanism 02 comprises a feeding hopper 21 and a feeding pipe 22, the feeding hopper 21 is arranged on the feeding pipe 22, the feeding pipe 22 is arranged on the side wall of the crushing bin 11, the feeding pipe 22 extends into the crushing bin 11, and the feeding hopper 21 is communicated with the feeding pipe 22;

The speed control mechanism 03 comprises a rotating shaft 31, a plurality of baffles 32 and a speed control motor 33, wherein the rotating shaft 31 is rotatably arranged on the side wall of the upper hopper 21, the baffles 32 are all arranged on the rotating shaft 31, the speed control motor 33 is arranged on the side wall of the upper hopper 21, and the output end of the speed control motor 33 is connected with the rotating shaft 31;

Firstly, adding molecular sieves into an upper hopper 21, when the feeding speed of the molecular sieves is to be regulated and controlled, driving a rotating shaft 31 to rotate by opening a speed control motor 33, so that the molecular sieves enter into a space between baffles 32, driving the baffles 32 to rotate by the rotating shaft 31, further adding the molecular sieves into a feeding pipe 22 in the space between the baffles 32, then finishing feeding, regulating the feeding speed of the molecular sieves by controlling the rotating speed of the speed control motor 33, adding high-pressure gas into a main body mechanism 01 by an air inlet mechanism 04, crushing the molecular sieves in the main body mechanism 01, and winding the gas of the air inlet mechanism 04 by an auxiliary drying mechanism 05, so that a heating mechanism 06 is convenient for heating the gas of the air inlet mechanism 04, keeping the dryness of the air, and drying the molecular sieves by a filtering mechanism 07 for filtering the gas of the air inlet mechanism 04, thereby improving the quality of the molecular sieves.

Example 2

As shown in fig. 3 to 8, the device comprises a main body mechanism 01, a feeding mechanism 02, a speed control mechanism 03, an air inlet mechanism 04, an auxiliary drying mechanism 05, a heating mechanism 06 and a filtering mechanism 07, wherein the feeding mechanism 02 is arranged on the main body mechanism 01, the speed control mechanism 03 is arranged on the feeding mechanism 02, the air inlet mechanism 04 is arranged at the bottom end of the main body mechanism 01, the auxiliary drying mechanism 05 is arranged on the air inlet mechanism 04, the heating mechanism 06 is arranged on the auxiliary drying mechanism 05, and the filtering mechanism 07 is arranged on the air inlet mechanism 04;

The air inlet mechanism 04 comprises a fan 41, an air pipe 42, a booster pump 43, a plurality of air pipes 44 and a plurality of Laval nozzles 45, wherein the booster pump 43 is arranged at the bottom end of the crushing bin 11, one ends of the air pipes 44 are connected with the booster pump 43, the other ends of the air pipes 44 are arranged on the side wall of the crushing bin 11, the air pipes 44 extend into the crushing bin 11, one Laval nozzle 45 is arranged at the inner end of each air pipe 44, and the fan 41 is connected with the booster pump 43 through the air pipe 42;

The auxiliary drying mechanism 05 comprises an insulation box 51 and a coiled pipe 52, the coiled pipe 52 is spirally arranged in the insulation box 51, the coiled pipe 52 is provided with an air inlet and an air outlet, the air inlet of the coiled pipe 52 is connected with the air pipe 42, and the air outlet of the coiled pipe 52 is connected to the pressurizing pump 43 through the air pipe 42;

The heating mechanism 06 comprises a heating pipe 61, a water tank 62, a water inlet 63, a heating plate 64, a temperature controller 65, a water pump 66, a water inlet pipe 67 and a water return pipe 68, wherein the heating pipe 61 is installed through the heat insulation box 51, the coiled pipe 52 spirals on the outer wall of the heating pipe 61, the water inlet 63 is installed on the water tank 62, the heating plate 64 is installed in the water tank 62, the temperature controller 65 is installed on the inner wall of the water tank 62, the water pump 66 is installed on the side wall of the water tank 62, one end of the water inlet pipe 67 is installed on the water pump 66, the other end of the water inlet pipe 67 is installed at the bottom end of the heating pipe 61, one end of the water return pipe 68 is installed at the top end of the water tank 62, and the other end of the water return pipe 68 is installed at the top end of the heating pipe 61;

The filtering mechanism 07 comprises a filtering box 71, a slideway 72, a filtering plate 73, a sealing limiting plate 74 and a handle 75, wherein the filtering box 71 is arranged on the air pipe 42, a cavity is arranged in the filtering box 71, the slideway 72 is arranged on the inner wall of the filtering box 71, the top end of the filtering box 71 is provided with a mounting groove, the filtering plate 73 is slidably arranged in the slideway 72 through the mounting groove, the sealing limiting plate 74 is arranged on the filtering plate 73, and the handle 75 is arranged on the top end of the filtering plate 73;

The main body mechanism 01 is convenient for classifying and filtering the crushed molecular sieves, the molecular sieves which do not accord with the size are returned to the main body mechanism 01 for crushing again, the crushing quality is improved, the feeding mechanism 02 feeds the molecular sieves, the speed control mechanism 03 controls the feeding speed, when the high-pressure gas is added to crush the molecular sieves in the crushing bin 11, the fan 41 is opened, after air enters the filter box 71 through the air pipe 42, impurities in the air are filtered through the filter plate 73, then the air enters the auxiliary drying mechanism 05 through the air pipe 42 for heating, water is added into the water tank 62 through the water inlet 63, then the heating plate 64 is opened for heating the water in the water tank 62, the temperature of the water is monitored through the temperature controller 65, the water enters the heating pipe 61 through the water inlet pipe 67 by opening the water pump 66, then back flow to the water tank 62 through the return pipe 68, heat exchange is carried out through the gas in the heating pipe 61 and the coiled pipe 52 to finish heating and drying the gas, the practicability is improved, then the gas enters the pressurizing pump 43 through the gas pipe 42 to be pressurized, then the gas is sprayed out of the Laval nozzles 45 at a high speed through the gas pipe 44, the collision of the molecular sieve added by the feeding pipe 22 is caused by the opposite spraying among a plurality of groups of Laval nozzles 45, the crushing is further finished, after the molecular sieve in the crushing bin 11 is filtered, the induced draft fan 13 is opened, the molecular sieve conforming to the diameter size enters a subsequent collecting device through the discharge pipe 14 under the graded filtering of the graded filter 12 to be collected, and the molecular sieve not conforming to the diameter size returns to the crushing bin 11 through the inner wall of the crushing bin 11 to be crushed again until conforming to the diameter size.

As shown in fig. 1 to 8, in the jet mill pulverizing mechanism for pulverizing molecular sieves of the present utility model, when it is operated, molecular sieves are first fed into the upper hopper 21, when the feeding speed of the molecular sieves is to be regulated and controlled, the rotation shaft 31 is driven to rotate by opening the speed-controlling motor 33, so that the molecular sieves enter into the space between the baffles 32, the baffles 32 are driven to rotate by the rotation shaft 31, the space between the molecular sieve flushing baffles 32 is further fed into the feed pipe 22, then the feeding is completed, the feeding speed of the molecular sieves is regulated by controlling the rotation speed of the speed-controlling motor 33, when the molecular sieves are to be pulverized by the high-pressure gas fed into the pulverizing bin 11, the fan 41 is turned on, the air is filtered by the filter plate 73 after entering into the filter box 71 through the air pipe 42, then the water enters the auxiliary drying mechanism 05 through the air pipe 42, water is added into the water tank 62 through the water inlet 63, then the heating plate 64 is opened to heat the water in the water tank 62, the temperature of the water is monitored through the temperature controller 65, the water enters the heating pipe 61 through the water inlet pipe 67 through the water pump 66 and then flows back into the water tank 62 through the water return pipe 68, the heating and drying of the air are completed through the heat exchange between the heating pipe 61 and the air in the coil 52, the practicability is improved, the air enters the pressurizing pump 43 through the air pipe 42 to be pressurized, then the air is ejected from the Laval nozzles 45 at a high speed through the air pipe 44, the collision of the molecular sieves added into the feeding pipe 22 is caused through the opposite injection among the groups of Laval nozzles 45, the crushing is completed, after the molecular sieves in the crushing bin 11 are filtered, the induced draft fan 13 is opened, molecular sieves conforming to the diameter size enter a subsequent collecting device through a discharge pipe 14 for collection under the classified filtration of the classifying filter 12, and molecular sieves not conforming to the diameter size return to the crushing bin 11 through the inner wall of the crushing bin 11 for crushing again until conforming to the diameter size.

The classifying filter 12, the induced draft fan 13, the speed control motor 33, the fan 41, the pressurizing pump 43, the heating plate 64 and the temperature controller 65 of the present utility model are purchased from the market, and the present utility model is only required to be installed and operated according to the attached instructions of the present utility model by those skilled in the art, without the need of creative efforts of those skilled in the art.

The main functions realized by the utility model are as follows: in the jet milling working process, the added high-pressure gas is convenient to dry and filter, the quality of the subsequent molecular sieve is improved, the molecular sieve is convenient to dry, the practicability is improved, the feeding rate of the molecular sieve is convenient to control, and the milling quality is improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. A jet mill pulverizing mechanism for pulverizing molecular sieve comprises a main body mechanism (01); the device is characterized by further comprising a feeding mechanism (02), a speed control mechanism (03), an air inlet mechanism (04), an auxiliary drying mechanism (05), a heating mechanism (06) and a filtering mechanism (07), wherein the feeding mechanism (02) is arranged on the main body mechanism (01), the speed control mechanism (03) is arranged on the feeding mechanism (02), the air inlet mechanism (04) is arranged at the bottom end of the main body mechanism (01), the auxiliary drying mechanism (05) is arranged on the air inlet mechanism (04), the heating mechanism (06) is arranged on the auxiliary drying mechanism (05), and the filtering mechanism (07) is arranged on the air inlet mechanism (04);

Main part mechanism (01) are convenient for carry out hierarchical filtration to the molecular sieve after smashing, and feed mechanism (02) are carried out the material loading to the molecular sieve, and speed control mechanism (03) are controlled the speed of material loading, and air inlet mechanism (04) are to adding high-pressure gas in main part mechanism (01), and supplementary stoving mechanism (05) are spiraled air inlet mechanism (04), and heating mechanism (06) are heated air inlet mechanism (04), and filtering mechanism (07) are filtered air inlet mechanism (04).

2. A jet mill comminution mechanism for molecular sieve comminution as claimed in claim 1 in which the body mechanism (01) comprises a comminution bin (11), a classifying filter (12), an induced draft fan (13) and a discharge pipe (14), the classifying filter (12) being mounted at the top end of the comminution bin (11), the induced draft fan (13) being mounted at the top end of the classifying filter (12), the discharge pipe (14) being mounted on the induced draft fan (13).

3. A jet mill comminution mechanism for molecular sieve comminution as claimed in claim 2 in which the loading mechanism (02) comprises a loading hopper (21) and a feed pipe (22), the loading hopper (21) being mounted on the feed pipe (22), the feed pipe (22) being mounted on a side wall of the comminution bin (11) and the feed pipe (22) extending into the interior of the comminution bin (11), the loading hopper (21) being in communication with the feed pipe (22).

4. A jet mill pulverizing mechanism for molecular sieve pulverization as defined in claim 3, wherein the speed control mechanism (03) comprises a rotary shaft (31), a plurality of baffles (32) and a speed control motor (33), the rotary shaft (31) is rotatably mounted on the side wall of the upper hopper (21), the plurality of baffles (32) are mounted on the rotary shaft (31), the speed control motor (33) is mounted on the side wall of the upper hopper (21), and the output end of the speed control motor (33) is connected with the rotary shaft (31).

5. A jet mill pulverizing mechanism for molecular sieve pulverization as defined in claim 2, wherein the air inlet mechanism (04) comprises a blower (41), an air pipe (42), a pressurizing pump (43), a plurality of air pipes (44) and a plurality of laval nozzles (45), the pressurizing pump (43) is installed at the bottom end of the pulverizing bin (11), one ends of the plurality of air pipes (44) are connected with the pressurizing pump (43), the other ends of the air pipes (44) are installed on the side wall of the pulverizing bin (11), the air pipes (44) extend into the pulverizing bin (11), one laval nozzle (45) is installed at the inner end of each air pipe (44), and the blower (41) is connected with the pressurizing pump (43) through the air pipe (42).

6. A jet mill pulverizing mechanism for molecular sieve pulverization as defined in claim 5, wherein the auxiliary drying mechanism (05) comprises an incubator (51) and a coil pipe (52), the coil pipe (52) is spirally installed in the incubator (51), the coil pipe (52) is provided with an air inlet and an air outlet, the air inlet of the coil pipe (52) is connected with an air pipe (42), and the air outlet of the coil pipe (52) is connected with a pressurizing pump (43) through the air pipe (42).

7. The jet mill pulverizing mechanism for molecular sieve pulverization according to claim 6, wherein the heating mechanism (06) comprises a heating pipe (61), a water tank (62), a water inlet (63), a heating plate (64), a temperature controller (65), a water pump (66), a water inlet pipe (67) and a return pipe (68), the heating pipe (61) is installed through the heat insulation box (51), and the coil pipe (52) spirals on the outer wall of the heating pipe (61), the water inlet (63) is installed on the water tank (62), the heating plate (64) is installed in the water tank (62), the temperature controller (65) is installed on the inner wall of the water tank (62), the water pump (66) is installed on the side wall of the water tank (62), one end of the water inlet pipe (67) is installed on the water pump (66), the other end of the water inlet pipe (67) is installed at the bottom end of the heating pipe (61), one end of the return pipe (68) is installed at the top of the water tank (62), and the other end of the return pipe (68) is installed at the top of the heating pipe (61).

8. A jet mill pulverizing mechanism for molecular sieve pulverization as defined in claim 5, wherein the filter mechanism (07) comprises a filter box (71), a slide (72), a filter plate (73), a seal limit plate (74) and a handle (75), the filter box (71) is mounted on the air pipe (42), a chamber is provided in the filter box (71), the slide (72) is mounted on the inner wall of the filter box (71), the top end of the filter box (71) is provided with a mounting groove, the filter plate (73) is slidably mounted in the slide (72) through the mounting groove, the seal limit plate (74) is mounted on the filter plate (73), and the handle (75) is mounted on the top end of the filter plate (73).