CN212370305U - Vertical mill with air supply port dust removal function - Google Patents

Abstract

The utility model discloses an found mill with mend wind gap dust removal function, including raw coal lifting machine and found mill device, peg graft in raw coal lifting machine front outer wall one side has the dust removal pipe, and the one end that the raw coal lifting machine was kept away from to the dust removal pipe is pegged graft on the mend wind gap that found mill device, found mill device and includes the mount table, and the casing is installed through the bolt in mount table top outer wall one side, and installs the selection powder machine through the bolt on the casing top outer wall, and it has the play tuber pipe to peg graft at casing one side outer wall top, installs the inlet pipe that link up each other with the casing through the bolt on the outer wall. The utility model discloses can be in the during operation of founding the mill, will found mill air supplement mouth and pass through the pipeline and be in the same place with raw coal lifting machine interconnect, the air supplement mouth of founding the mill this moment can produce a negative pressure point for during the natural wind in air supplement mouth flows into raw coal lifting machine through the dust removal pipe flow, thereby raw coal carries out dust removal treatment in the raw coal lifting machine, has strengthened accomplishing rational utilization to the resource, the vertical mill device economy environmental protection of messenger.

Description

Vertical mill with air supply port dust removal function

Technical Field

The utility model relates to a technical field is handled to the raw coal, especially relates to a found mill with mend wind gap dust removal function.

Background

The vertical mill is an ideal large-scale grinding device, is widely applied to the industries of cement, electric power, metallurgy, chemical industry, non-metal ore and the like, integrates crushing, drying, grinding and grading conveying into a whole, has high production efficiency, and can grind blocky, granular and powdery raw materials into required powdery materials.

At present, the current upright mill needs to supplement a part of natural wind in the normal production process, just can satisfy the requirement of equipment to the amount of wind, will produce a negative pressure point at the benefit wind gap of mill like this, can make raw coal powder spill, causes the pollution to the environment, consequently, the urgent need design an upright mill with benefit wind gap dust removal function to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the current vertical mill air supply opening that exists can produce a negative pressure point among the prior art, and the vertical mill with air supply opening dust removal function who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a found mill with mend wind gap dust removal function, includes raw coal lifting machine and founds the mill device, peg graft in raw coal lifting machine front outer wall one side has the dust removal pipe, and the dust removal pipe one end of keeping away from raw coal lifting machine pegs graft on the mend wind gap of founding the mill device, found the mill device including the mount table, the casing is installed through the bolt in mount table top outer wall one side, and installs the selection powder machine through the bolt on the casing top outer wall, it has the play tuber pipe to peg graft at casing one side outer wall top, install the inlet pipe that link up each other with the casing through the bolt on the outer wall of casing one side.

Further, the supporting seats are welded to the two sides of the outer wall of the top of the mounting platform, the mounting seats are mounted on the outer wall of the top of the supporting seats through bolts, the two supporting seats are connected with a rotating shaft through bearings in a rotating mode, rocker arms are welded to the outer wall of the side face of the rotating shaft close to the two ends of the outer wall, a grinding roller is connected to one side of the outer wall of the front face of the shell in a rotating mode, and the grinding roller is fixedly connected.

Further, the pneumatic cylinder is all installed through the bolt in mount table top outer wall both sides, pivot bottom outer wall is close to both ends department and all welds the mounting bracket, and the pneumatic cylinder is through the bolt and be connected with the mounting bracket is rotated.

Furthermore, the dust removal pipe is a seamless steel pipe with the diameter of 300 mm, and the length of the dust removal pipe is 6 meters.

The utility model has the advantages that:

1. through the dust removal pipe that sets up, can be in the time of the vertical mill during operation, will found to grind the air supplement mouth and pass through the pipeline and be in the same place with raw coal lifting machine interconnect, the air supplement mouth of this moment standing mill can produce a negative pressure point for during the natural wind in air supplement mouth flows into raw coal lifting machine through the dust removal pipe, thereby raw coal removes dust in the raw coal lifting machine and handles, has strengthened accomplishing rational utilization to the resource, the vertical mill device economy environmental protection of messenger.

2. Through the powder selecting machine, ground raw coal powder can be screened when the grinding roller grinds, so that coarse powder is selected by the powder selecting machine and then returns to the grinding roller for re-grinding, and fine powder flows out of the shell along with airflow.

Drawings

FIG. 1 is a front view of a vertical mill with a tuyere for dust removal;

FIG. 2 is a schematic structural view of a vertical mill device of the vertical mill with the air supply port dust removal function provided by the utility model;

fig. 3 is the utility model provides a raw coal lifting machine of vertical mill with makeup wind gap dust removal function schematic diagram.

In the figure: the device comprises a raw coal lifting machine 1, a vertical mill 2, a mounting table 3, a dust removal pipe 4, an air outlet pipe 5, a shell 6, a feeding pipe 7, a rocker arm 8, a powder concentrator 9, a support seat 10, a rotating shaft 11, a mounting frame 12, a hydraulic cylinder 13, a mounting seat 14 and a grinding roller 15.

Detailed Description

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 work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a vertical mill with an air supply port dust removal function comprises a raw coal elevator 1 and a vertical mill device 2, wherein a dust removal pipe 4 is inserted into one side of the outer wall of the front side of the raw coal elevator 1, when the vertical mill device 2 works, an air supply port on the vertical mill device 2 generates a negative pressure point, the pressure is about-400 pa, the air volume is about 4000m3/h, at the moment, the air of the air supply port can flow into the raw coal elevator 1 through the dust removal pipe 4, so that the raw coal in the raw coal elevator 1 is removed, one end of the dust removal pipe 4 far away from the raw coal elevator 1 is inserted into the air supply port of the vertical mill device 2, the vertical mill device 2 comprises an installation platform 3 for supporting devices such as a shell 6, the shell 6 is installed on one side of the outer wall of the top of the installation platform 3 through bolts, a grinding assembly in the vertical mill device 2 such as a grinding disc and a nozzle ring is, and the outer wall of the top of the shell 6 is provided with a powder concentrator 9 through bolts, and is used for returning coarse powder to a position between the grinding roller 15 and the grinding disc after being sorted by the powder concentrator 9 for re-grinding, while fine powder flows out of the shell 6 along with airflow, the top of the outer wall of one side of the shell 6 is inserted with an air outlet pipe 5 for discharging ground raw coal powder, the outer wall of one side of the shell 6 is provided with a feeding pipe 7 which is communicated with the shell 6 through bolts and is used for adding raw coal into the shell 6, and the feeding pipe 7 is connected with the raw coal elevator 1.

Further, 3 top outer wall both sides of mount table all weld have supporting seat 10, and install mount pad 14 through the bolt on the outer wall of supporting seat 10 top, be used for installing pivot 11, it is connected with pivot 11 to rotate through the bearing between two mount pads 14, be used for rotating in mount pad 14 under the pneumatic cylinder 13 effect, thereby make rocking arm 8 drive grinding roller 15 up-and-down motion, and the welding of pivot 11 side outer wall near both ends department has rocking arm 8, be used for driving grinding roller 15 up-and-down motion, casing 6 openly outer wall one side is rotated and is connected with grinding roller 15, be used for grinding raw coal with the mill cooperation in casing 6, and grinding roller 15 is fixed connection through bolt and rocking arm 8.

Further, pneumatic cylinder 13 is all installed through the bolt in 3 top outer wall both sides of mount table, and the preferred JRC-5T of pneumatic cylinder 13 model for drive pivot 11 and rotate, thereby make rocking arm 8 drive grinding roller 15 up-and-down motion, make grinding roller 15 better grind the raw coal, pivot 11 bottom outer wall all welds near both ends department has mounting bracket 12, be used for making pivot 11 link together with the output of pneumatic cylinder 13, and pneumatic cylinder 13 is through the bolt and be connected with mounting bracket 12 and rotate.

Further, the dust removal pipe 4 is a seamless steel pipe with the diameter of 300 mm, and is used for blowing natural air at the air supply opening of the vertical mill device 2 into the raw coal elevator 1 so as to remove dust from the raw coal, and the length of the dust removal pipe 4 is 6 m.

The working principle is as follows: when the vertical mill device 2 grinds the raw coal, the working personnel start the powder concentrator 9, the raw coal which is ground into powder flows into the powder concentrator integrated with the shell 6 under the action of air flow and then enters the powder concentrator 9, coarse powder in the raw coal powder is separated by the powder concentrator and falls back between the grinding roller 15 and the grinding disc, the coarse powder is ground again, and fine powder flows out of the shell 6 through the air outlet pipe 5 under the action of air flow, meanwhile, when the vertical mill device 2 grinds, a negative pressure point can be generated at the air supply opening of the vertical mill device 2, and at the moment, natural air at the air supply opening can enter the raw coal elevator 1 through the dust removal pipe 4 and can blow off raw coal in the raw coal elevator 1, so that dust removal treatment is performed on the raw coal in the raw coal elevator 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. The utility model provides a found mill with mend wind gap dust removal function, includes raw coal lifting machine (1) and found mill device (2), its characterized in that, peg graft in raw coal lifting machine (1) front outer wall one side has dust removal pipe (4), and the one end that raw coal lifting machine (1) were kept away from in dust removal pipe (4) is pegged graft on the benefit wind gap of founding mill device (2), found mill device (2) including mount table (3), casing (6) are installed through the bolt in mount table (3) top outer wall one side, and install selection powder machine (9) through the bolt on casing (6) top outer wall, casing (6) one side outer wall top is pegged graft and is had out tuber pipe (5), install inlet pipe (7) that link up each other with casing (6) through the bolt on casing (6) one side outer wall.

2. The vertical mill with the air supplementing opening dedusting function is characterized in that supporting seats (10) are welded on two sides of the outer wall of the top of the mounting table (3), mounting seats (14) are mounted on the outer wall of the top of each supporting seat (10) through bolts, a rotating shaft (11) is rotatably connected between the two mounting seats (14) through bearings, rocker arms (8) are welded on the outer wall of the side face of each rotating shaft (11) close to two ends of the outer wall, a grinding roller (15) is rotatably connected on one side of the outer wall of the front face of the shell (6), and the grinding roller (15) is fixedly connected with the rocker arms (8) through bolts.

3. The vertical mill with the air supply port dust removal function according to claim 2, wherein hydraulic cylinders (13) are mounted on two sides of the outer wall of the top of the mounting table (3) through bolts, mounting frames (12) are welded on the outer wall of the bottom of the rotating shaft (11) close to two ends of the outer wall, and the hydraulic cylinders (13) are rotatably connected with the mounting frames (12) through bolts.

4. The vertical mill with the air supply port dust removal function according to claim 1, wherein the dust removal pipe (4) is a seamless steel pipe with a diameter of 300 mm, and the length of the dust removal pipe (4) is 6 m.

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