CN211887064U

CN211887064U - Powder grinding device capable of inhibiting dust

Info

Publication number: CN211887064U
Application number: CN202020222557.0U
Authority: CN
Inventors: 高杨; 马永文
Original assignee: Inner Mongolia Ningzhiyuan Biotechnology Co ltd
Current assignee: Inner Mongolia Ningzhiyuan Biotechnology Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-11-10
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a dust-inhibiting grinding device, which comprises a feeding box, a connecting box and a first grinding box which are arranged from top to bottom in sequence, wherein a feeding channel is arranged in the connecting box, one side of the first grinding box is provided with a second grinding box and a discharging box which are arranged in an up-down communication way, and a spiral conveying mechanism is connected on the discharging box; the feeding bottom of the case face is equipped with the upper feed inlet, and the feed channel top is linked together through upper feed inlet and feeding case, and first crocus roof portion is equipped with down the feed inlet, and the feed channel bottom is linked together through lower feed inlet and first crocus case, and the level is equipped with the feeding baffle in the connecting case, and the feed channel is equipped with the breach that suits with the level of feeding baffle, and the feeding baffle can pass the breach and be horizontal reciprocating motion in the connecting case. The utility model discloses a milling equipment can effectively restrain the dust and improve the qualification rate of product.

Description

Powder grinding device capable of inhibiting dust

The technical field is as follows:

the utility model belongs to the technical field of the milling equipment, concretely relates to suppress milling equipment of dust.

Background art:

the chemical and physical properties of the coal layer exposed on the earth surface or buried in a shallow part are changed very obviously after weathering, and the coal in the part of the coal layer is called weathered coal. The weathered coal powder is powder obtained by grinding weathered coal raw materials, and during processing, due to certain volatility of the coal powder, the exposure of the coal powder is easy to pollute the working environment.

The utility model has the following contents:

an object of the utility model is to provide a suppress milling equipment of dust to solve the problem that proposes in the above-mentioned background art.

The utility model discloses by following technical scheme implement: a powder grinding device for inhibiting dust comprises a feeding box, a connecting box and a first powder grinding box which are sequentially arranged from top to bottom, wherein a feeding channel is arranged in the connecting box, a second powder grinding box and a discharging box which are communicated up and down are arranged on one side of the first powder grinding box, and a spiral conveying mechanism is connected to the discharging box;

the feed box bottom surface is equipped with the upper feed mouth, and the feed channel top is linked together with the feed box through the upper feed mouth, and first crocus box top is equipped with down the feed inlet, and the feed channel bottom is linked together through lower feed inlet and first crocus box, and the level is equipped with the feeding baffle in the connection box, and the feed channel is equipped with the breach that suits with the level of feeding baffle, and the feeding baffle can pass the breach and be horizontal reciprocating motion in the connection box.

Furthermore, a transmission gear is arranged in the connecting box and meshed with the surface of the feeding partition plate, a sliding plate is further arranged below the feeding partition plate, and the end part of the sliding plate is connected to the inner wall of the connecting box.

Furthermore, a notch baffle is connected to the notch, the notch baffle is hinged to the inner wall of the feeding channel, and a return spring is connected between the notch baffle and the feeding channel.

Further, first crocus case lateral wall is equipped with first discharge gate and second discharge gate, and directly over the first discharge gate was located the second discharge gate, first crocus case linked together through first discharge gate and second crocus case, and first crocus case is linked together through second discharge gate and play workbin.

Further, first crocus incasement chamber is equipped with first grinding roller group, and first grinding roller group is located feed inlet below down, and first grinding roller group below is equipped with the shale shaker, and the shale shaker sets up towards first discharge gate slope, and first crocus bottom of the case face is equipped with bottom guide block, and bottom guide block surface sets up downwards towards second discharge gate slope.

Further, a pair of first guide plates is symmetrically connected to the lower portion of the lower feed inlet, the first guide plates are arranged in a gradually expanding structure from top to bottom, a second guide plate is connected to the bottom of the first guide plates, the second guide plates are arranged in a gradually contracting structure from top to bottom, first baffle plates are connected between the first guide plates, the first baffle plates are arranged in a pair and are symmetrically arranged, two ends of each first baffle plate are connected to the inner wall of the first milling box, the inclination angle of each first baffle plate is matched with the corresponding first guide plate, the bottom of each first baffle plate is connected with a second baffle plate, the inclination angle of each second baffle plate is matched with the corresponding second guide plate, and the first baffle plate, the second baffle plate, the first guide plates and the second guide plates form two symmetrical blanking channels below.

Further, the lateral wall of the discharge box is provided with a third discharge hole, and the discharge box is communicated with the feed end of the spiral conveying mechanism through the third discharge hole.

The utility model has the advantages that:

1. the utility model discloses during the use, the weathered coal raw materials are leading-in from the feed box, and the process of connecting box entering is ground and is smashed in the first crocus case, sets up screening mechanism in the first crocus case, and after the screening, the weathered coal powder that accords with the requirement directly gets into the workbin, and the weathered coal powder that does not accord with the requirement of particle fineness gets into the second crocus case and carries out the secondary grinding and then gets into the workbin, and finally the weathered coal powder is carried it through sealed screw conveyer and is mixed in the cauldron in advance, the utility model discloses a milling equipment can effectively restrain the dust and improve the qualification rate of product;

2. the feeding baffle is horizontally arranged in the connecting box, the feeding channel is provided with a notch adaptive to the horizontal height of the feeding baffle, the feeding baffle can pass through the notch to do horizontal reciprocating motion in the connecting box, the feeding baffle plays a role in controlling feeding, when the weathered coal raw material needs to be conveyed into the first grinding box, the feeding baffle is far away from the feeding channel to move horizontally, and the weathered coal raw material falls down from the feeding box and enters the first grinding box through the feeding channel to be ground and crushed; after the single needs grind kibbling weathered coal raw materials and transport and finish, thereby the feeding baffle blocks it towards feedstock channel horizontal migration, when carrying out the grinding work in the first crocus case this moment, can not have the dust through feedstock channel upwards volatilize through the gap reach the air in, play the effect that suppresses the dust.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a dust suppressing powder grinding apparatus according to an embodiment;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is a schematic longitudinal sectional view of a dust suppressing pulverizing apparatus in the example;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

fig. 5 is another partially enlarged schematic view of fig. 3.

Labeled as: 1. a feeding box; 11. a top cover; 111. a chute; 12. an anti-blocking rod body; 121. an adjusting plate; 122. an annular limiting plate; 13. an upper feed inlet; 14. a lower feed inlet; 2. a connecting box; 21. a feed channel; 211. a notch baffle plate; 22. a feed spacer; 23. a transmission gear; 24. a slide plate; 3. a first milling box; 31. a first set of grinding rollers; 32. a driven roller; 33. a first guide plate; 331. a second guide plate; 34. a first baffle plate; 341. a second baffle; 35. a blanking channel; 36. vibrating screen; 37. a bottom guide block; 38. a first discharge port; 39. a second discharge port; 4. a second milling box; 41. a second set of grinding rollers; 5. a discharging box; 51. a discharging guide block; 52. a third discharge port; 6. a screw conveying mechanism; 7. and (4) a bracket.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the embodiment provides a powder grinding device for suppressing dust, which includes a feeding box 1, a connecting box 2 and a first powder grinding box 3, which are sequentially arranged from top to bottom, wherein a feeding channel 21 is arranged in the connecting box 2, and the top and the bottom of the feeding channel 21 are respectively communicated with the feeding box 1 and the first powder grinding box 3; first crocus case 3 one side is equipped with second crocus case 4 and the play workbin 5 that feeds through the setting from top to bottom, and first crocus case 3 feeds through with

second crocus case

4 and 5 homogeneous phases of play workbin, is connected with screw conveyor 6 on the play workbin 5, and first crocus case 3, play

workbin

5 and 6 bottoms of screw conveyor all are equipped with support 7.

When this embodiment uses, the weathered coal raw materials is leading-in from feed box 1, grind crushing in getting into first crocus case 3 through connecting box 2, set up screening mechanism in first crocus case 3, after the screening, the weathered coal powder that meets the requirements directly gets into out workbin 5, the weathered coal powder that does not conform to the particle fineness requirement gets into second crocus case 4 and carries out reentrant ejection of compact case 5 after the secondary grinding, at last weathered coal powder carries it through sealed screw conveyer and mixes in the cauldron in advance, the milling equipment of this embodiment can effectively restrain the dust and improve the qualification rate of product.

Referring to fig. 1, a feeding box 1 is of a top opening structure, a detachable top cover 11 is arranged on the top opening, as can be seen from fig. 3, an upper feeding port 13 is arranged on the bottom surface of the feeding box 1, the top of a feeding channel 21 is communicated with the feeding box 1 through the upper feeding port 13, the feeding channel 21 vertically penetrates through a connecting box 2, a lower feeding port 14 is arranged on the top of a first milling box 3, the bottom of the feeding channel 21 is communicated with the first milling box 3 through the lower feeding port 14, a feeding partition plate 22 is horizontally arranged in the connecting box 2, the feeding channel 21 is provided with a notch corresponding to the horizontal height of the feeding partition plate 22, the feeding partition plate 22 can pass through the notch to horizontally reciprocate in the connecting box 2, and the feeding partition plate 22 plays a role, when the weathered coal raw material needs to be conveyed into the first grinding box 3, the feeding partition plate 22 moves horizontally away from the feeding channel 21, and the weathered coal raw material falls from the feeding box 1 and enters the first grinding box 3 through the feeding channel 21 for grinding and crushing; after the single needs grind kibbling weathered coal raw materials and transport and finish, thereby feeding baffle 22 blocks it towards feedstock channel 21 horizontal migration, carries out the grinding during operation in the first crocus box 3 this moment, can not have the dust through feedstock channel 21 upwards volatilize through the gap reach the air in, play the effect that suppresses the dust.

Further, referring to fig. 4, the feeding partition 22 can horizontally reciprocate in the connecting box 2 through the gap in a specific manner: a transmission gear 23 is arranged in the connecting box 2, the transmission gear 23 is meshed with the surface of the feeding partition plate 22, the transmission gear 23 rotates to drive the feeding partition plate 22 to do horizontal reciprocating motion, a sliding plate 24 playing a supporting role is also arranged below the feeding partition plate 22, the end part of the sliding plate 24 is connected to the inner wall of the connecting box 2, the feeding partition plate 22 can horizontally slide relative to the sliding plate 24,

further, referring to fig. 3, a notch baffle 211 is connected to the notch, the notch baffle 211 is hinged to the inner wall of the feeding channel 21, a return spring is further connected between the notch baffle 211 and the feeding channel 21, when the notch baffle 211 is not subjected to an external force, the notch baffle 211 vertically blocks the notch downwards, and rotates upwards after receiving the thrust of the feeding partition 22. When the feeding partition 22 moves horizontally out of the feeding passage 21, the notch blocking plate 211 blocks the notch vertically downward to prevent dust or raw materials from entering the connecting box 2.

Referring to fig. 5, first crocus box 3 lateral wall is equipped with first discharge gate 38 and second discharge gate 39, first discharge gate 38 is located directly over second discharge gate 39, first crocus box 3 is linked together through first discharge gate 38 and second crocus box 4, first crocus box 3 is linked together through second discharge gate 39 and ejection of

compact case

5, 5 top surfaces of ejection of compact case are linked together with 4 bottom surfaces of second crocus box, 5 lateral walls of ejection of compact case are equipped with third discharge gate 52, ejection of compact case 5 is linked together through the feed end of third discharge gate 52 with screw conveyor 6. The bottom surface of the discharging box 5 is provided with a discharging guide block 51 which is obliquely arranged towards the third discharging hole 52.

Referring to fig. 3, the first grinding box 3 inner chamber is equipped with first grinding roller group 31, and first grinding roller group 31 is located feed inlet 14 below, and first grinding roller group 31 is preferred to be a pair of grinding roller, and first grinding roller group 31 both sides still are equipped with driven voller 32 that is used for supplementary grinding, and first grinding roller group 31 below is equipped with shale shaker 36, combines fig. 5, and shale shaker 36 sets up towards first discharge gate 38 slope, and first grinding box 3 bottom surface is equipped with bottom guide block 37, and bottom guide block 37 surface sets up downwards towards second discharge gate 39 slope. The first grinding roller group 31 grinds the weathered coal raw material falling from the lower feeding hole 14, the ground powder is screened by the vibrating screen 36, the larger part of the particles enters the second grinding box 4 from the first discharging hole 38 to be ground again, and the smaller particles pass through the vibrating screen 36 and then enter the discharging box 5 under the action of the bottom guide block 37. Referring to fig. 5, a second grinding roll group 41 is provided in the second grinding box 4.

Referring to fig. 4, a pair of first guide plates 33 are symmetrically connected below the lower feed opening 14, the first guide plates 33 are arranged in a gradually expanding structure from top to bottom, the bottom of the first guide plates 33 is connected with a second guide plate 331, the second guide plates 331 are arranged in a gradually contracting structure from top to bottom, a first baffle 34 is connected between the first guide plates 33, the first baffle 34 is provided with a pair of symmetrical baffle plates, two ends of the first baffle 34 are connected to the inner wall of the first milling box 3, the inclination angle of the first baffle 34 is adapted to the first guide plates 33, the bottom of the first baffle 34 is connected with a second baffle 341, the inclination angle of the second baffle 341 is adapted to the second guide plates 331, the first baffle 34, the second baffle 341, the first guide plates 33 and the second guide plates 331 form two symmetrical feeding passages 35 below the lower feed opening 14, for guiding the conveyance of weathered coal toward the first grinding roll group 31 while preventing the upward overflow of dust.

Further, referring to fig. 3, a sliding groove 111 is formed in the top cover 11 of the feeding box 1, an anti-blocking rod 12 penetrates through the sliding groove 111, the anti-blocking rod 12 extends to the inner cavity of the feeding box 1, an adjusting plate 121 is arranged at the bottom of the anti-blocking rod 12, an annular limiting plate 122 is further connected to the anti-blocking rod 12, the outer diameter of the annular limiting plate 122 is larger than the width of the sliding groove 111, and the annular limiting plate 122 is located above the sliding groove 111. Adopt such structure, can be used for playing and prevent stifled effect, when the weathered coal raw materials takes place to block up, but the passageway pulling prevents stifled body of rod 12 from top to bottom and makes the weathered coal raw materials in feed box 1 not hard up.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The powder grinding device for inhibiting dust is characterized by comprising a feeding box (1), a connecting box (2) and a first powder grinding box (3) which are sequentially arranged from top to bottom, wherein a feeding channel (21) is arranged in the connecting box (2), one side of the first powder grinding box (3) is provided with a second powder grinding box (4) and a discharging box (5) which are communicated up and down, and the discharging box (5) is connected with a spiral conveying mechanism (6);

feed box (1) bottom surface is equipped with upper feed inlet (13), feed channel (21) top is linked together through upper feed inlet (13) and feed box (1), feed inlet (14) are equipped with down at first crocus case (3) top, feed channel (21) bottom is linked together through feed inlet (14) and first crocus case (3) down, the level is equipped with feeding baffle (22) in connecting box (2), feed channel (21) are equipped with the breach that suits with the level of feeding baffle (22), feeding baffle (22) can pass the breach and be horizontal reciprocating motion in connecting box (2).

2. A dust suppression mill as claimed in claim 1, characterized by: a transmission gear (23) is arranged in the connecting box (2), the transmission gear (23) is meshed with the surface of the feeding partition plate (22), a sliding plate (24) is further arranged below the feeding partition plate (22), and the end part of the sliding plate (24) is connected to the inner wall of the connecting box (2).

3. A dust suppression mill as claimed in claim 2 wherein: the novel feeding device is characterized in that a notch baffle (211) is connected to the notch, the notch baffle (211) is hinged to the inner wall of the feeding channel (21), and a return spring is connected between the notch baffle (211) and the feeding channel (21).

4. A dust suppression mill as claimed in claim 1, characterized by: first crocus case (3) lateral wall is equipped with first discharge gate (38) and second discharge gate (39), and directly over first discharge gate (38) were located second discharge gate (39), first crocus case (3) were linked together through first discharge gate (38) and second crocus case (4), and first crocus case (3) are linked together through second discharge gate (39) and play workbin (5).

5. A dust suppression mill as claimed in claim 4, wherein: first crocus case (3) inner chamber is equipped with first grinding roller group (31), and first grinding roller group (31) are located feed inlet (14) below down, and first grinding roller group (31) below is equipped with shale shaker (36), and shale shaker (36) set up towards first discharge gate (38) slope, and first crocus case (3) bottom surface is equipped with bottom guide piece (37), and bottom guide piece (37) surface sets up downwards towards second discharge gate (39) slope.

6. A dust suppression mill as claimed in claim 5, characterized by: a pair of first guide plates (33) are symmetrically connected below the lower feed inlet (14), the first guide plates (33) are arranged in a gradually expanding structure from top to bottom, the bottom of each first guide plate (33) is connected with a second guide plate (331), the second guide plates (331) are arranged in a gradually contracting structure from top to bottom, first baffle plates (34) are connected between the first guide plates (33), a pair of first baffle plates (34) are symmetrically arranged, two ends of each first baffle plate (34) are connected to the inner wall of the first milling box (3), the inclination angle of each first baffle plate (34) is matched with that of each first guide plate (33), the bottom of each first baffle plate (34) is connected with a second baffle plate (341), and the inclination angle of each second baffle plate (341) is matched with that of each second guide plate (331), the first baffle (34), the second baffle (341), the first guide plate (33) and the second guide plate (331) form two symmetrical blanking channels (35) below the lower feeding hole (14).

7. A dust suppression mill as claimed in claim 6, characterized by: the side wall of the discharge box (5) is provided with a third discharge hole (52), and the discharge box (5) is communicated with the feed end of the spiral conveying mechanism (6) through the third discharge hole (52).