CN115318381A

CN115318381A - Chemical raw material fine treatment equipment

Info

Publication number: CN115318381A
Application number: CN202210998088.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wei Linwei
Current assignee: Wei Linwei
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-11

Abstract

The invention relates to the technical field of chemical equipment, in particular to chemical raw material fine treatment equipment which comprises a crushing mechanism, a filtering mechanism and a vibrating mechanism, wherein the crushing mechanism is arranged on the crushing mechanism; according to the invention, the filter screen of the filtering mechanism is arranged on the rotating shaft of the crushing mechanism, when the crushing mechanism drives the rotating shaft and the crushing blades to rotate, and chemical raw materials are crushed, the filter screen is driven to synchronously rotate, and the whole filter screen is of a cylindrical structure, so that the crushed chemical raw materials can be rolled and screened in the filter screen, and further the filtering and screening efficiency of the chemical raw materials is improved through the rotation of the filter screen.

Description

Chemical raw material fine treatment equipment

Technical Field

The invention relates to the technical field of chemical equipment, in particular to chemical raw material fine treatment equipment.

Background

The chemical raw materials can be generally divided into two categories, namely organic chemical raw materials and inorganic chemical raw materials, the organic chemical raw materials can be divided into alkanes and derivatives thereof, alkenes and derivatives thereof, alkynes and derivatives thereof, quinones, aldehydes, alcohols, ketones, phenols, ethers, anhydrides, esters, organic acids, carboxylates, carbohydrates, heterocycles, nitriles, halides, aminoacyls and other categories, and the main raw materials of the inorganic chemical products are chemical minerals such as sulfur, sodium, phosphorus, potassium and calcium, coal, petroleum, natural gas, air, water and the like.

In chemical production, chemical raw materials are often required to be crushed to a certain particle size through chemical raw material fine treatment equipment and then used, so that the chemical reaction, the production efficiency and the like are improved. In the equipment treatment process, in order to ensure that the crushed particle size meets the requirement, a filter screen is required to be arranged at a discharge port of the crushing box to filter and screen the crushed raw materials, but the filter screen is easy to block in the long-term use process, so that the filter efficiency of the filter screen is influenced; on the other hand, crushing case is when smashing industrial chemicals now, can't carry out repeated crushing to the raw materials, leads to partial raw materials can produce the not complete kibbling condition, has reduced the comminuted effect, and when the large granule material of not complete kibbling gets into the filter screen, can further block up the filter screen, therefore needs regularly to dismantle the clearance with the filter screen, and complex operation not only has just reduced the work efficiency of equipment.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides chemical raw material fine treatment equipment, which solves the problems that the existing chemical raw material fine treatment equipment is incomplete in raw material crushing and a filter screen is easy to block.

The technical scheme adopted by the invention for solving the technical problems is as follows: a chemical raw material fine treatment device comprises a crushing mechanism, a filtering mechanism and a vibrating mechanism, wherein the crushing mechanism comprises a crushing box and a base for supporting and fixing the crushing box, a feed inlet is fixedly arranged at the upper side of one end of the crushing box, a discharge outlet is fixedly arranged at the lower side of the other end of the crushing box, a motor base is fixedly arranged at the end part of the crushing box, a motor is fixedly arranged on the motor base, a rotating shaft is movably arranged in the crushing box through a bearing, one end of the rotating shaft is in transmission connection with the motor, and a plurality of groups of crushing blades are fixedly arranged on the rotating shaft; the filtering mechanism is arranged above the discharge hole, is fixedly arranged on the rotating shaft and is driven to rotate by the rotating shaft to sieve materials; the vibrating mechanism is arranged in the crushing box and used for driving the filtering mechanism to vibrate in a reciprocating mode, so that the material screening effect is improved, and the raw materials which are not completely crushed are vibrated and conveyed back to the crushing box to be crushed again.

Further, the crushing blades are arc-shaped blades.

Furthermore, a tooth plate is fixedly arranged on the inner wall of the crushing box.

Further, filtering mechanism includes filter screen, support, ring cover, annular frame and dead lever, the ring cover install in the pivot, fixed mounting is a plurality of on the lateral wall of ring cover the support, the annular frame set up in the outer lane of ring cover, just the annular frame with through a plurality of between the ring cover the leg joint is fixed, fixed mounting has a plurality of evenly distributed on the front side end wall of annular frame the dead lever is adjacent equal fixed mounting has between the annular frame the filter screen.

Furthermore, a sealing end plate is fixedly arranged on the inner ring of the annular frame.

Furthermore, an arc-shaped limiting groove is formed in the end wall of the tooth plate, and the fixed rod and the front side end of the filter screen are clamped in the arc-shaped limiting groove in a sliding mode.

Furthermore, the vibration mechanism comprises a fixed sleeve, a limiting slide block, a resisting block, a limiting round table, a spring, a limiting slide groove and an arc-shaped guide strip, wherein the fixed sleeve is fixedly sleeved on the rotating shaft, one end of the outer side wall of the fixed sleeve is provided with a plurality of limiting slide grooves which are uniformly distributed along the circumferential direction, the other end of the outer side wall of the fixed sleeve is provided with the limiting round table, the ring sleeve is slidably mounted on the surface of the fixed sleeve, the inner side wall of the ring sleeve is provided with a plurality of limiting slide blocks which are uniformly distributed along the circumferential direction, the limiting slide blocks are respectively slidably clamped in the limiting slide grooves, the spring is movably sleeved on the surface of the fixed sleeve, one end of the spring is abutted against the end part of the ring sleeve, and the other end of the spring is abutted against the end part of the limiting round table; the supporting block is fixedly arranged on the outer side wall of the annular frame, and the arc-shaped guide strip is fixedly arranged on the inner wall of the crushing box and used for limiting and guiding the passing supporting block.

Furthermore, the abutting block is of a cylindrical structure and is rotatably and movably mounted on the annular frame through a bearing.

Furthermore, the two groups of supporting blocks and the two groups of arc-shaped guide strips are arranged on the outer side wall of the annular frame, and correspondingly, the two groups of arc-shaped guide strips are symmetrically distributed on the inner wall of the crushing box.

Furthermore, a shoveling plate is fixedly mounted on the inner side surface of the fixing rod, and a wind shield positioned on one side of the filter screen is fixedly mounted at the upper end of the toothed plate.

The invention has the beneficial effects that:

(1) According to the chemical raw material fine treatment equipment, the filter screen in the filter mechanism is arranged on the rotating shaft of the crushing mechanism, when the crushing mechanism drives the rotating shaft and the crushing blades to rotate to crush the chemical raw materials, the filter screen is driven to rotate synchronously, and the whole filter screen is of a cylindrical structure, so that the crushed chemical raw materials can be rolled and screened in the filter screen, the filtering and screening efficiency of the chemical raw materials is improved through the rotation of the filter screen, and meanwhile, the filter screen can be effectively prevented from being blocked.

(2) According to the chemical raw material fine treatment equipment, the vibration mechanism can drive the filter screen to vibrate left and right in the rotation process of the filter screen, so that the filtering and screening effects of the filter screen are further improved, meanwhile, the chemical raw materials which are not completely crushed on the filter screen can be conveyed back to the crushing area in the crushing box in a vibration mode through the left and right vibration of the filter screen, the chemical raw materials are repeatedly crushed by the crushing mechanism until the chemical raw materials meet the crushing requirements, and the discharge is completed through the filter screen, so that the crushing treatment effect of the equipment is greatly improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of an overall structure of a chemical material refining apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a front cross-sectional view of the chemical feedstock refinement apparatus shown in FIG. 1;

FIG. 3 is a schematic end view of the filter mechanism of FIG. 2;

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

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

in the figure: 1. a crushing mechanism; 11. a crushing box; 12. a feed inlet; 13. a motor base; 14. a motor; 15. a base; 16. a discharge port; 17. a rotating shaft; 18. crushing the leaves; 19. a dental plate; 2. a filtering mechanism; 21. a filter screen; 22. a support; 23. sleeving a ring; 24. an annular frame; 25. a fixing rod; 26. sealing the end plate; 27. an arc-shaped limiting groove; 3. a vibration mechanism; 31. fixing the sleeve; 32. a limiting slide block; 33. shoveling plates; 34. a resisting block; 35. a limiting round table; 36. a spring; 37. a limiting chute; 38. an arc-shaped guide strip; 39. a wind deflector.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 and fig. 2, the chemical raw material fine processing equipment provided by the invention comprises a crushing mechanism 1, a filtering mechanism 2 and a vibrating mechanism 3, wherein the crushing mechanism 1 comprises a crushing box 11 and a base 15 for supporting and fixing the crushing box 11, a feed inlet 12 is fixedly arranged on the upper side of one end of the crushing box 11, a discharge outlet 16 is fixedly arranged on the lower side of the other end of the crushing box 11, a motor base 13 is fixedly arranged at the end part of the crushing box 11, a motor 14 is fixedly arranged on the motor base 13, a rotating shaft 17 is movably arranged in the crushing box 11 through a bearing, one end of the rotating shaft 17 is in transmission connection with the motor 14, and a plurality of groups of crushing blades 18 are fixedly arranged on the rotating shaft 17; the filtering mechanism 2 is arranged above the discharge port 16, is fixedly arranged on the rotating shaft 17, and is driven to rotate by the rotating shaft 17 to sieve materials; the vibration mechanism 3 is arranged in the crushing box 11 and is used for driving the filtering mechanism 2 to vibrate in a reciprocating manner, so that the material screening effect is improved, and the raw materials which are not completely crushed are conveyed back to the crushing box 11 in a vibrating manner to be crushed again; in operation, carry industrial chemicals from feed inlet 12 in smashing the case 11, and open motor 14, motor 14 drive pivot 17 is rotatory, thereby it is rotatory to drive crushing blade 18, crushing blade 18 through high-speed rotation hits the industrial chemicals and hits the smashing, simultaneously pivot 17 drives the filter mechanism 2 rotation in step, thereby screen the industrial chemicals after smashing through rotatory filter mechanism 2, make the less raw materials of broken comparatively thorough particle diameter discharge through filter mechanism 2 and discharge gate 16, and vibration mechanism 3 drives 2 left and right sides vibrations of filter mechanism, vibrate the regional regrinding that conveys back crushing blade 18 place of still not complete kibbling industrial chemicals on the filter mechanism 2, until industrial chemicals reaches the crushing requirement, from filter mechanism 2 through accomplishing the ejection of compact.

As shown in fig. 2, in this embodiment, the crushing blades 18 are arc-shaped blades, so that when the crushing blades 18 rotate, a rightward wind force is generated, and the chemical raw materials are blown and conveyed to the right in the crushing box 11 by the wind force, so that the chemical raw materials gradually move to the right in the crushing process until the chemical raw materials enter the filtering mechanism 2 and are screened and discharged.

As shown in fig. 2, in this embodiment, a dental lamina 19 is fixedly mounted on the inner wall of the crushing box 11, dense crushing teeth are arranged on the inner side surface of the dental lamina 19, and in the material crushing process, the chemical raw materials which are impacted and moved at a high speed collide with the crushing teeth at a high speed to be crushed, so that the crushing efficiency of the chemical raw materials can be improved.

As shown in fig. 2, 3, 4, and 5, in this embodiment, the filtering mechanism 2 includes a filtering net 21, a support 22, a ring sleeve 23, a ring frame 24, and fixing rods 25, the ring sleeve 23 is mounted on the rotating shaft 17, a plurality of the supports 22 are fixedly mounted on an outer side wall of the ring sleeve 23, the ring frame 24 is disposed on an outer ring of the ring sleeve 23, the ring frame 24 and the ring sleeve 23 are connected and fixed by a plurality of the supports 22, a plurality of the fixing rods 25 uniformly distributed are fixedly mounted on an end wall of a front side of the ring frame 24, and the filtering net 21 is fixedly mounted between adjacent ring frames 24; wherein, every filter screen 21 is the arc structure, can form a cylinder filter screen structure between the polylith filter screen 21, when pivot 17 is rotatory, hold in range movable ring cover 23 is rotatory, and then drive annular frame 24 and cylinder filter screen structure through support 22 and rotate, when the industrial chemicals after smashing gets into in the cylinder filter screen structure, industrial chemicals rolls the roll screening in the filter screen, and then the rotation through the filter screen, improve its filtration screening efficiency, can effectively prevent filter screen blocking simultaneously.

As shown in fig. 2 and fig. 5, in this embodiment, be provided with arc spacing groove 27 on the end wall of dental lamina 19, dead lever 25 reaches the equal slip joint of front side end of filter screen 21 in arc spacing groove 27, carry on spacingly dead lever 25 and filter screen 21 front end through arc spacing groove 27, can make dead lever 25 and filter screen 21 more stable when rotatory operation, can seal

filter screen

21 and 19 tip seams of dental lamina simultaneously, prevent that industrial chemicals from not sieving and filtering directly dropping from this seam and carrying in discharge gate 16 to guarantee industrial chemicals's crushing effect, prevent broken unqualified material outflow.

As shown in fig. 2, 3, 4, and 5, in this embodiment, the vibration mechanism 3 includes a fixing sleeve 31, a limiting sliding block 32, a supporting block 34, a limiting circular truncated cone 35, a spring 36, a limiting sliding groove 37, and an arc-shaped guide strip 38, the fixing sleeve 31 is fixedly sleeved on the rotating shaft 17, one end of the outer side wall of the fixing sleeve 31 is provided with a plurality of limiting sliding grooves 37 uniformly distributed along the circumferential direction, the other end of the outer side wall of the fixing sleeve 31 is provided with the limiting circular truncated cone 35, the ring sleeve 23 is slidably installed on the surface of the fixing sleeve 31, the inner side wall of the ring sleeve 23 is provided with a plurality of limiting sliding blocks 32 uniformly distributed along the circumferential direction, the limiting sliding blocks 32 respectively slide in the limiting sliding grooves 37, the spring 36 is movably sleeved on the surface of the fixing sleeve 31, one end of the spring 36 abuts against the end of the ring sleeve 23, and the other end abuts against the end of the limiting circular truncated cone 35; the supporting block 34 is fixedly arranged on the outer side wall of the annular frame 24, and the arc-shaped guide strip 38 is fixedly arranged on the inner wall of the crushing box 11 and used for limiting and guiding the passing supporting block 34; the limiting slide block 32 and the limiting slide groove 37 are matched for limiting the circumferential direction of the ring sleeve 23, when the rotating shaft 17 and the fixed sleeve 31 rotate, the ring sleeve 23 can be synchronously driven to rotate, the annular frame 24 and the filter screen 21 are driven to rotate through the support 22, when the annular frame 24 rotates, the abutting block 34 on the outer side wall of the annular frame is driven to rotate to do circular motion, when the abutting block 34 rotates to reach the position of the arc-shaped guide strip 38, the arc-shaped guide strip 38 carries out limiting guide on the abutting block 34, the abutting block 34 gradually moves rightwards in the rotating process, the annular frame 24, the filter screen 21, the support 22, the ring sleeve 23 and the like are driven to move rightwards, the spring 36 is compressed and contracted, the limiting slide block 32 slides rightwards in the limiting slide groove 37, when the abutting block 34 completely passes through the arc-shaped guide strip 38, the abutting limit is not stopped, the spring 36 is reset and extends, the ring sleeve 23 is rapidly pushed leftwards to reset through the resetting elastic force, the support 22, the annular frame 24, the filter screen 21, the limiting slide block 32 and the chemical raw materials which are completely crushed and are crushed by the inertia of the left side, and the filter screen 21 and the crushed raw materials are completely, and the crushed raw materials are discharged through the reciprocating crushing area.

As shown in fig. 2, 3, and 5, in this embodiment, the abutting block 34 is a cylindrical structure, and the abutting block 34 is rotatably and movably mounted on the annular frame 24 through a bearing, and when the abutting block 34 performing a circular motion abuts against the arc-shaped guide strip 38 and is guided to move, the abutting block 34 rotates under the action of friction force, so as to reduce the friction force between the abutting block 34 and the arc-shaped guide strip 38, and further reduce the friction resistance of the movement of the abutting block 34, so that the operation of the apparatus is more labor-saving.

As shown in fig. 2 and 3, in this embodiment, two sets of the abutting blocks 34 and the arc-shaped guide strips 38 are arranged, and the two sets of the abutting blocks 34 are symmetrically distributed on the outer side wall of the annular frame 24, and correspondingly, the two sets of the arc-shaped guide strips 38 are symmetrically distributed on the inner wall of the crushing box 11, when the abutting blocks 34 performing circular motion abut against the arc-shaped guide strips 38 and move in a guiding manner, the two sets of the abutting blocks 34 performing circular motion are in synchronous contact with the arc-shaped guide strips 38 to bear force, so that the annular frame 24 bears force more uniformly, and the rotation operation of the annular frame 24 and the filter screen 21 and the like is not affected.

As shown in fig. 2 and 4, in this embodiment, a sealing end plate 26 is fixedly installed on an inner ring of the annular frame 24, and the sealing end plate 26 can seal the end of the filter mechanism 2, so as to prevent the pulverized chemical material from entering the area where the right end spring 36 of the fixed sleeve 31 is located, thereby not affecting the left-right sliding of the upper ring sleeve 23, and ensuring the normal operation of the vibration mechanism 3.

As shown in fig. 2, 3, and 4, in this embodiment, a shoveling plate 33 is fixedly mounted on an inner side surface of the fixing rod 25, a wind shield 39 located on one side of the filtering net 21 is fixedly mounted at an upper end of the tooth plate 19, the shoveling plate 33 can make a circular motion along with the fixing rod 25 when the annular frame 24 rotates, and the incompletely crushed chemical raw materials remaining on the filtering net 21 are shoveled upward in the motion process until the shoveling plate 33 moves to an upper position, the chemical raw materials make a parabolic motion leftward under the action of gravity and the inertia force of leftward movement, and fall into the area where the crushing blades 18 are located to be crushed again, and the wind shield 39 can block wind power generated when the crushing blades 18 rotate, so that wind resistance when the chemical raw materials move leftward is reduced, and the leftward movement process of the chemical raw materials is smoother.

Specifically, when the chemical industry raw material crushing device works, chemical industry raw materials are conveyed into the crushing box 11 from the feeding hole 12, the motor 14 is started, the motor 14 drives the rotating shaft 17 to rotate, so that the crushing blades 18 are driven to rotate, the chemical industry raw materials are beaten and crushed by the crushing blades 18 rotating at a high speed, rightward wind force is generated when the crushing blades 18 rotate, the chemical industry raw materials are blown to the right in the crushing box 11 by the wind force, and the chemical industry raw materials are gradually moved to the right in the crushing process; when the rotating shaft 17 rotates, the fixing sleeve 31 and the ring sleeve 23 are synchronously driven to rotate, and then the bracket 22 drives the annular frame 24 and the filter screen 21 to rotate, when the crushed chemical raw materials enter the filter screen 21, the chemical raw materials are rolled and screened in the filter screen 21, the crushed qualified chemical raw materials pass through the filter screen 21 and are finally discharged from the discharge port 16, and incompletely crushed large-particle chemical raw materials remain on the filter screen 21; when the annular frame 24 rotates, the abutting block 34 on the outer side wall of the annular frame is driven to rotate to do circular motion, when the abutting block 34 rotates to reach the position of the arc-shaped guide strip 38, the arc-shaped guide strip 38 carries out limit guide on the abutting block 34, so that the abutting block 34 gradually moves rightwards in the rotating process, the annular frame 24, the filter screen 21, the support 22, the ring sleeve 23 and the like are driven to move rightwards, the limiting slide block 32 slides rightwards in the limiting slide groove 37, when the abutting block 34 completely passes through the arc-shaped guide strip 38, the abutting block does not abut against and is limited, the spring 36 is reset and extends, the ring sleeve 23 is rapidly pushed leftwards to reset through reset elasticity, the support 22, the annular frame 24, the filter screen 21, the limiting slide block 32 and the like are driven to move leftwards to reset until the limiting slide block 32 abuts against the left end portion of the limiting slide groove 37 to complete reset, at the moment, the completely-crushed chemical raw materials remained in the filter screen 21 continuously move leftwards under the effect of inertia, the incomplete crushing blades 18 enter the area to be crushed again, the area, the chemical raw materials are repeatedly crushed, the area, the chemical raw materials are discharged until all the chemical raw materials are completely crushed chemical materials are completely crushed materials are discharged, and filtered and screened completely through the filter screen 21.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A chemical raw material fine processing device is characterized by comprising:

the crushing mechanism (1) comprises a crushing box (11) and a base (15) for supporting and fixing the crushing box (11), a feeding hole (12) is fixedly arranged at the upper side of one end of the crushing box (11), a discharging hole (16) is fixedly arranged at the lower side of the other end of the crushing box (11), a motor base (13) is fixedly arranged at the end part of the crushing box (11), a motor (14) is fixedly arranged on the motor base (13), a rotating shaft (17) is movably arranged in the crushing box (11) through a bearing, one end of the rotating shaft (17) is in transmission connection with the motor (14), and a plurality of groups of crushing blades (18) are fixedly arranged on the rotating shaft (17);

the filtering mechanism (2) is arranged above the discharge hole (16), is fixedly arranged on the rotating shaft (17), and is driven to rotate by the rotating shaft (17) to sieve materials;

the vibrating mechanism (3) is installed in the crushing box (11) and used for driving the filtering mechanism (2) to vibrate in a reciprocating mode, so that the material screening effect is improved, and the raw materials which are not completely crushed are vibrated and conveyed back into the crushing box (11) to be crushed again.

2. The chemical raw material fine processing equipment according to claim 1, wherein: the crushing blades (18) are arc-shaped blades.

3. The chemical raw material fine processing equipment according to claim 2, wherein: and a tooth plate (19) is fixedly arranged on the inner wall of the crushing box (11).

4. The chemical raw material fine processing equipment according to claim 3, wherein: filtering mechanism (2) include filter screen (21), support (22), ring cover (23), annular frame (24) and dead lever (25), ring cover (23) install in on pivot (17), fixed mounting is a plurality of on the lateral wall of ring cover (23) support (22), annular frame (24) set up in the outer lane of ring cover (23), just annular frame (24) with through a plurality of between ring cover (23) support (22) are connected fixedly, fixed mounting has a plurality of evenly distributed on the front side end wall of annular frame (24) dead lever (25), adjacent equal fixed mounting has between annular frame (24) filter screen (21).

5. The chemical raw material fine processing equipment according to claim 4, wherein: and a sealing end plate (26) is fixedly arranged on the inner ring of the annular frame (24).

6. The chemical raw material fine processing equipment according to claim 4, wherein: an arc-shaped limiting groove (27) is formed in the end wall of the tooth plate (19), and the front side end of the fixing rod (25) and the front side end of the filter screen (21) are all in sliding clamping connection with the arc-shaped limiting groove (27).

7. The chemical raw material fine processing equipment according to claim 4, wherein: the vibration mechanism (3) comprises a fixed sleeve (31), a limiting sliding block (32), a supporting block (34), a limiting circular truncated cone (35), a spring (36), a limiting sliding groove (37) and an arc-shaped guide strip (38), wherein the fixed sleeve (31) is fixedly sleeved on the rotating shaft (17), one end of the outer side wall of the fixed sleeve (31) is provided with a plurality of limiting sliding grooves (37) which are uniformly distributed along the circumferential direction, the other end of the outer side wall of the fixed sleeve (31) is provided with the limiting circular truncated cone (35), the ring sleeve (23) is slidably installed on the surface of the fixed sleeve (31), the inner side wall of the ring sleeve (23) is provided with a plurality of limiting sliding blocks (32) which are uniformly distributed along the circumferential direction, the limiting sliding blocks (32) are respectively slidably clamped in the limiting sliding grooves (37), the spring (36) is movably sleeved on the surface of the fixed sleeve (31), one end of the spring (36) is abutted to the end of the limiting circular truncated cone (23), and the other end of the limiting circular truncated cone (35) is abutted to the end of the ring sleeve; the supporting block (34) is fixedly arranged on the outer side wall of the annular frame (24), and the arc-shaped guide strip (38) is fixedly arranged on the inner wall of the crushing box (11) and used for limiting and guiding the passing supporting block (34).

8. The chemical raw material fine processing device according to claim 7, wherein: the supporting block (34) is of a cylindrical structure, and the supporting block (34) is rotatably and movably mounted on the annular frame (24) through a bearing.

9. The chemical raw material fine processing device according to claim 7, wherein: two groups of the supporting blocks (34) and two groups of the arc-shaped guide strips (38) are arranged, the two groups of the supporting blocks (34) are symmetrically distributed on the outer side wall of the annular frame (24), and correspondingly, the two groups of the arc-shaped guide strips (38) are symmetrically distributed on the inner wall of the crushing box (11).

10. The chemical raw material fine processing device according to claim 7, wherein: the inner side surface of the fixing rod (25) is fixedly provided with a shoveling plate (33), and the upper end of the tooth plate (19) is fixedly provided with a wind shield (39) positioned on one side of the filter screen (21).