CN210965351U

CN210965351U - Mineral powder vertical mill convenient to ejection of compact

Info

Publication number: CN210965351U
Application number: CN201921764496.4U
Authority: CN
Inventors: 严建强; 宋孝银; 乔琪
Original assignee: Changzhou Jianpeng Building Material Co ltd
Current assignee: Changzhou Jianpeng Building Material Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-07-10
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a powdered ore vertical mill convenient to ejection of compact, including the vertical mill body, grind the mechanism, separating mechanism, ejection of compact fan, inlet pipe and discharging pipe, the inside top fixed connection separating mechanism of vertical mill body, the discharging pipe is connected in one side of separating mechanism to the vertical mill body, the inlet pipe is connected to the lateral wall of vertical mill body, the bottom of vertical mill body sets up grinds the mechanism, the ejection of compact fan is connected to the vertical mill body in one side of grinding the mechanism, the output of ejection of compact fan passes the lateral wall of vertical mill body and is connected with annular tuber pipe, annular tuber pipe is located the bottom of vertical mill body, and the lateral wall of laminating vertical mill body, a plurality of air outlet has evenly been seted up along the circumferencial direction on the surface of. The utility model discloses have the bottom from the vertical mill body with the powdered ore even blow to separating mechanism, avoid bonding each other between the powdered ore together, improve equipment's discharging efficiency's effect.

Description

Mineral powder vertical mill convenient to ejection of compact

Technical Field

The utility model relates to a powdered ore processing technology field especially relates to a powdered ore vertical mill convenient to ejection of compact.

Background

The vertical mill (vertical mill) is a grinding device integrating fine crushing, drying, grinding, powder selecting and conveying, and is widely applied to grinding and superfine grinding of various solid materials of non-metallic ores. The vertical mill mainly comprises a vertical mill shell, a grinding mechanism arranged at the bottom of an inner cavity of the vertical mill shell, a separating mechanism arranged at the top of the inner cavity of the vertical mill shell, a feed hopper for conveying materials to the grinding mechanism, a discharge pipeline arranged at the top of the vertical mill shell and a discharge fan communicated with the inner cavity of the vertical mill shell.

When the existing vertical mill works, materials enter an inner cavity of a vertical mill shell from a feed hopper and are ground by a grinding mechanism; during air separation of the vertical mill, the discharge fan blows air into the shell of the vertical mill to blow mineral powder, and then the mineral powder with fineness meeting the specification enters the discharge pipeline through the separation mechanism, so that the mineral powder with coarse fineness falls back to the grinding mechanism of the vertical mill to be reground.

The above prior art solutions have the following drawbacks: in the process of practical use, as the discharging fan only has one channel for air intake, the positions of the mineral powder when being blown are concentrated and are easily bonded together, the mineral powder is too coarse when being separated, and falls back to the grinding mechanism for grinding again, so that the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a powdered ore vertical mill has the viscosity that reduces between the powdered ore, improves discharging efficiency's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a powdered ore vertical mill convenient to ejection of compact, includes vertical mill body, grinding mechanism, separating mechanism, ejection of compact fan, inlet pipe and discharging pipe, the inside top fixed connection of vertical mill body separating mechanism, the vertical mill body is in one side of separating mechanism is connected the discharging pipe, the lateral wall of vertical mill body is connected the inlet pipe, the bottom of vertical mill body sets up grinding mechanism, the vertical mill body is being connected in one side of grinding mechanism ejection of compact fan, the output of ejection of compact fan passes the lateral wall of vertical mill body is connected with annular tuber pipe, annular tuber pipe is located the bottom of vertical mill body, and the laminating the lateral wall of vertical mill body, a plurality of air outlet has evenly been seted up along the circumferencial direction on the surface of annular tuber pipe.

Through adopting above-mentioned technical scheme, the inside wind of ejection of compact fan can in time blow in the inside of separating mechanism to the powdered ore after grinding mechanism grinds through the air outlet of cyclic annular tuber pipe, and cyclic annular minute pipe can effectively be discharged wind from each air outlet to can effectually avoid bonding each other between the powdered ore, keep the ejection of compact degree of powdered ore, improve equipment's machining efficiency.

Furthermore, a high-pressure nozzle is fixedly installed at the air outlet, the included angle between the horizontal planes of the high-pressure nozzles is 60-90 degrees, and the high-pressure nozzle faces the side far away from the side wall of the vertical mill body.

Through adopting above-mentioned technical scheme, high pressure nozzle further improves the stability of air-out on the one hand, and on the other hand avoids the powdered ore to block up the air outlet, and the contained angle between high pressure nozzle and the horizontal plane is convenient for in time blow the powdered ore to separating mechanism and in time discharge.

Furthermore, a collecting cavity is formed in the bottom of the vertical mill body, one end, far away from the vertical mill body, of the collecting cavity is connected with a feed back belt, the other end of the feed back belt is connected with a lifting machine, a feed back pipe is formed in the side wall of the vertical mill body, and one end, far away from the feed back belt, of the lifting machine is connected with the feed back pipe.

Through adopting above-mentioned technical scheme, collect the chamber and will collect through the great slay of grinding mechanism grinding back, then through feed back belt and lifting machine enter into the inside of founding the mill body through the feed back pipe again, the reworking of being convenient for improves the utilization ratio of material.

Furthermore, both sides of the feed back belt are provided with protective baffles.

Through adopting above-mentioned technical scheme, guard flap can effectually avoid the slay to drop from the both sides of feed back belt.

Furthermore, the inside of discharging pipe is provided with filters the otter board, the discharging pipe is provided with first connecting piece, the both sides of filtering the otter board are provided with the second connecting piece, first connecting piece with still be provided with the fastener between the second connecting piece.

Through adopting above-mentioned technical scheme, filter the half tone and can further fall off unqualified powdered ore back to the vertical mill body inside and grind again, filter the half tone and install on the discharging pipe through first connecting piece and second connecting piece, be convenient for install and dismantle.

Furthermore, one end of the first connecting piece, which faces the second connecting piece, is provided with a first bump, a first fastening groove and a first groove, the first bump is located at the end of the first connecting piece, which faces the second connecting piece, one side of the first bump, which is far away from the second connecting piece, is provided with the first fastening groove, the first fastening groove is arranged along the radial direction of the first connecting piece, one side of the first fastening groove, which is far away from the first bump, is provided with the first groove, and the first groove is arranged along the length direction of the first connecting piece.

The second connecting piece is provided with a second lug, a second fastening groove and a second groove at one end facing the first connecting piece, the second lug is positioned at one side of the second connecting piece facing the first connecting piece, the second lug is spliced with the first groove, the second fastening groove is formed at one side of the second lug far away from the first connecting piece, the second groove is formed at one side of the second fastening groove far away from the second lug, the second groove is spliced with the first lug, and the first groove is spliced with the second lug.

Through adopting above-mentioned technical scheme, the cooperation that passes through between first lug and the second recess of first connecting piece and second connecting piece links together with the cooperation between second lug and the first recess, simple to operate, and connection stability is high, is convenient for change.

Furthermore, one end of the fastening piece penetrates through the side wall of the discharge pipe, and the other end of the fastening piece penetrates through the first fastening groove and the second fastening groove to be abutted against the inner wall of the other side of the discharge pipe.

Through adopting above-mentioned technical scheme, the fastener can avoid filtering otter board and discharging pipe and take place relative displacement, improves the connection stability between first connecting piece and the second connecting piece.

Furthermore, the four sides of the filter screen plate are provided with elastic sealing frames, and the elastic sealing frames are integrally connected with the second connecting piece.

Through adopting above-mentioned technical scheme, the elastic seal frame can avoid the powdered ore to pass through from the clearance between filter screen board and the ejection of compact pipeline inner wall, further improves the quality of the powdered ore through the discharging pipe.

To sum up, the beneficial effects of the utility model are that:

1. the technical scheme that the annular air pipe with the air outlet is arranged in the vertical mill body is adopted, so that mineral powder can be uniformly blown to the separating mechanism from the bottom of the vertical mill body, the mineral powder is prevented from being bonded with each other, and the discharging efficiency of the equipment is improved;

2. the technical scheme of the collecting cavity, the feed back belt and the elevator is adopted, so that slag falling from the grinding mechanism can be thrown into the vertical mill body again, and the utilization rate of materials is improved;

3. the technical scheme of the filter screen plate and the discharge pipe which are connected through the first connecting piece and the second connecting piece is adopted, so that the effect of conveniently mounting and dismounting the filter screen plate can be generated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a vertical mill body; 2. a grinding mechanism; 3. a separating mechanism; 4. a discharge fan; 41. an annular air duct; 42. a high pressure spray head; 5. a feed pipe; 6. a discharge pipe; 61. a first connecting member; 611. a first bump; 612. a first fastening groove; 613. a first groove; 62. a fastener; 71. a collection chamber; 72. a feed back belt; 721. a protective baffle; 73. a hoist; 74. a material return pipe; 8. a filter screen plate; 81. a second connecting member; 811. a second bump; 812. a second fastening groove; 813. a second groove; 82. and an elastic sealing frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, for the powdered ore vertical mill convenient to ejection of compact that this embodiment discloses, including vertical mill body 1, grinding mechanism 2, separating mechanism 3, ejection of compact fan 4 and feed back mechanism, grinding mechanism 2 is located the bottom of vertical mill body 1, ejection of compact fan 4 is located one side of vertical mill body 1, ejection of compact fan 4 connects in one side of vertical mill body 1 and is close to grinding mechanism 2, separating mechanism 3 is located the top of vertical mill body 1, vertical mill body 1 is connected with discharging pipe 6 in one side of separating mechanism 3, one side of vertical mill body 1 is connected with inlet pipe 5. The whole discharging pipe 6 is rectangular, so that discharging is facilitated. The other side of the vertical mill body 1 is connected with a material returning mechanism.

Referring to fig. 2, the output end of the discharging fan 4 is connected with an annular air pipe 41, the annular air pipe 41 is located inside the vertical mill body 1, and is attached to the inner wall of the vertical mill body 1, and is located outside the grinding mechanism 2, a plurality of air outlets are uniformly formed in the annular branch pipe along the circumferential air direction, a high-pressure nozzle 42 is fixedly mounted inside each air outlet, the included angle between each high-pressure nozzle 42 and the horizontal line is 60-90 degrees, in this embodiment, the included angle between each high-pressure nozzle 42 and the horizontal plane is 90 degrees, and the ore powder is conveniently blown to the separating mechanism 3 for separation. The annular air pipe 41 can uniformly and upwards output the direction of the air entering the interior of the vertical mill body 1 from the discharge fan 4, the mineral powder falling around from the grinding mechanism 2 can be uniformly blown to the separating mechanism 3 and is discharged through the air outlet pipe, the mineral powder is prevented from being upwards discharged from one direction only, the mineral powder is bonded together, and cannot be timely discharged, so that the work efficiency of the vertical mill body 1 is low.

Referring to fig. 2, the feed back mechanism includes a collection chamber 71, a feed back belt 72, a lifter 73 and a material meeting pipe, the collection chamber 71 is connected with the bottom of the vertical mill body 1, and is located on one side of the grinding mechanism 2 and between the grinding mechanism 2 and the annular air duct 41, one end of the collection chamber 71 far away from the vertical mill body 1 is connected with the feed back belt 72, both sides of the feed back belt 72 are provided with a protective baffle 721, the other end of the feed back belt 72 is connected with the bottom of the lifter 73, the top of the lifter 73 is connected with the feed back pipe 74, and the other side of the feed back pipe 74 is communicated with the side wall of the vertical mill body 1. Collect chamber 71 and can collect the great slay that drops from grinding mechanism 2, slay falls into the surface of feed back belt 72 from the inside of collecting chamber 71, and feed back belt 72 carries slay to the inside of lifting machine 73 and carries out the secondary grinding through the inside that feed back pipe 74 reentrant found mill body 1, improves the utilization ratio of material, and the guard flap 721 of feed back belt 72 both sides can avoid slay to drop from the both sides of feed back belt 72.

Referring to fig. 2 and 3, a detachable filter screen plate 8 is arranged inside the discharging pipe 6, second connecting pieces 81 are arranged on two sides of the filter screen plate 8, first connecting pieces 61 are arranged on the inner wall of the filter screen plate 8 relatively, and the first connecting pieces 61 are connected with the second connecting pieces 81 in a clamping mode. The connecting part of the first connecting piece 61 and the second connecting piece 81 is provided with a fastening piece 62 in a penetrating mode, one end of the fastening piece 62 penetrates through the side wall of the tail gas treatment chamber, the periphery of the filter screen plate 8 is provided with an elastic sealing frame 82, the elastic sealing frame 82 can improve the sealing performance between the filter screen plate 8 and the discharge pipe 6, and the situation that mineral powder enters the connecting part between the filter screen plate 8 and the discharge pipe 6 to cause the mineral powder to be incapable of being normally loaded and unloaded is avoided.

Referring to fig. 3, the first connector 61 includes a first protrusion 611, a first fastening groove 612, and a first groove 613. The first protrusion 611 is located at an end of the first connecting member 61 facing the second connecting member 81 and is vertically disposed, the first fastening groove 612 is located at a side of the first protrusion 611 away from the second connecting member 81 and is disposed perpendicular to the first protrusion 611, the surface of the first connecting member 61 is provided with a first groove 613 for the second connecting member 81 to be inserted, and the first groove 613 and the first protrusion 611 are disposed in parallel. The second connector 81 includes a second protrusion 811, a second fastening groove 812, and a second groove 813. The second protrusion 811 is located at one end of the second connecting member 81 facing the first connecting member 61 and is inserted into the first groove 613, a second fastening groove 812 is horizontally formed at one side of the second protrusion 811 away from the first connecting member 61, the second fastening groove 812 and the first fastening groove 612 form a square through hole for the fastening member 62 to pass through, the first fastening groove 612 and the second fastening groove 812 are located on the same horizontal line, a second groove 813 is further formed at one side of the second fastening member 62 facing the first fastening member 62, and the second groove 813 is inserted into the first protrusion 611. Insert the inside of first recess 613 with second lug 811, inside first lug 611 inserted second recess 813, can improve the stability that both connect, fastener 62 improves the stability of the connection between first connecting piece 61 and the second connecting piece 81, and fastener 62's both sides all are provided with fixed bolt, avoid fastener 62 to drop from discharging pipe 6.

The specific implementation process comprises the following steps:

during the use, throw into the inside of vertical mill body 1 with the material from inlet pipe 5 to grind the material through grinding mechanism 2 and be the powdered ore, then through the even separating mechanism 3 that blows to the top of high pressure nozzle 42, then discharge from the inside of discharging pipe 6, the collection chamber 71 of vertical mill body 1 bottom is collected great slay, then passes through the inside of feed back pipe 74 reentrant vertical mill body 1 through feed back belt 72 and lifting machine 73.

The filter screen plate 8 can be connected with the discharge pipe 6 through the first connecting piece 61 and the second connecting piece 81, and then the first connecting piece 61 and the second connecting piece 81 are fastened together by the fastening piece 62, so that the stability of the two is improved.

The device has the powdered ore discharge that can be convenient for, has feed back mechanism moreover, improves the utilization ratio of material, is located the inside filter screen board 8 of being convenient for installation of discharging pipe 6 and can in time carry out the secondary screening to the powdered ore, improves the quality of output powdered ore, and convenient the change.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a powdered ore vertical mill convenient to ejection of compact, includes vertical mill body (1), grinding mechanism (2), separating mechanism (3), ejection of compact fan (4), inlet pipe (5) and discharging pipe (6), the inside top fixed connection of vertical mill body (1) separating mechanism (3), vertical mill body (1) is in one side of separating mechanism (3) is connected discharging pipe (6), the lateral wall of vertical mill body (1) is connected inlet pipe (5), the bottom of vertical mill body (1) sets up grinding mechanism (2), vertical mill body (1) is connected in one side of grinding mechanism (2) ejection of compact fan (4), its characterized in that: the output end of the discharging fan (4) penetrates through the side wall of the vertical mill body (1) and is connected with an annular air pipe (41), the annular air pipe (41) is located at the bottom of the vertical mill body (1) and is attached to the side wall of the vertical mill body (1), and a plurality of air outlets are uniformly formed in the surface of the annular air pipe (41) in the circumferential direction.

2. The mineral powder vertical mill facilitating discharging according to claim 1, characterized in that: the air outlet is fixedly provided with a high-pressure spray nozzle (42), the included angle between the horizontal planes of the high-pressure spray nozzles (42) is 60-90 degrees, and the high-pressure spray nozzle (42) faces to one side far away from the side wall of the vertical mill body (1).

3. The mineral powder vertical mill facilitating discharging according to claim 2, characterized in that: the vertical grinding machine is characterized in that a collecting cavity (71) is formed in the bottom of the vertical grinding machine body (1), one end, away from the vertical grinding machine body (1), of the collecting cavity (71) is connected with a material returning belt (72), the other end of the material returning belt (72) is connected with a lifting machine (73), a material returning pipe (74) is formed in the side wall of the vertical grinding machine body (1), one end, away from the material returning belt (72), of the lifting machine (73) is connected with the material returning pipe (74).

4. The mineral powder vertical mill facilitating discharging as claimed in claim 3, wherein: and protective baffles (721) are arranged on two sides of the feed back belt (72).

5. The mineral powder vertical mill facilitating discharging according to claim 1, characterized in that: the inside of discharging pipe (6) is provided with filters otter board (8), discharging pipe (6) are provided with first connecting piece (61), the both sides of filtering otter board (8) are provided with second connecting piece (81), first connecting piece (61) with still be provided with fastener (62) between second connecting piece (81).

6. The mineral powder vertical mill facilitating discharging according to claim 5, characterized in that: a first convex block (611), a first fastening groove (612) and a first groove (613) are arranged at one end, facing the second connecting piece (81), of the first connecting piece (61), the first convex block (611) is located at the tail end, facing the second connecting piece (81), of the first connecting piece (61), the first fastening groove (612) is formed in one side, away from the second connecting piece (81), of the first convex block (611), the first fastening groove (612) is arranged along the radial direction of the first connecting piece (61), the first groove (613) is formed in one side, away from the first convex block (611), of the first fastening groove (612), and the first groove (613) is arranged along the length direction of the first connecting piece (61);

one end, facing the first connecting piece (61), of the second connecting piece (81) is provided with a second convex block (811), a second fastening groove (812) and a second groove (813), the second convex block (811) is located on one side, facing the first connecting piece (61), of the second connecting piece (81), the second convex block (811) is spliced with the first groove (613), the second fastening groove (812) is formed on one side, far away from the first connecting piece (61), of the second convex block (811), the second groove (813) is formed on one side, far away from the second convex block (811), of the second fastening groove (812), the second groove (813) is spliced with the first convex block (611), and the first groove (613) is spliced with the second convex block (811).

7. The mineral powder vertical mill facilitating discharging according to claim 6, characterized in that: one end of the fastening element (62) penetrates through the side wall of the discharge pipe (6), and the other end of the fastening element penetrates through the first fastening groove (612) and the second fastening groove (812) to be abutted against the inner wall of the other side of the discharge pipe (6).

8. The mineral powder vertical mill facilitating discharging according to claim 5, characterized in that: four sides of the filter screen plate (8) are provided with elastic sealing frames (82), and the elastic sealing frames (82) are integrally connected with the second connecting piece (81).