CN217016838U

CN217016838U - Superfine vertical mill with crushing pretreatment structure

Info

Publication number: CN217016838U
Application number: CN202220522013.5U
Authority: CN
Inventors: 时天聚; 李跃辉; 郭浩; 蔡广宇; 翟天嵩
Original assignee: Henan Yulong Precision Mechanical Equipment Manufacturing Co ltd
Current assignee: Henan Yulong Precision Mechanical Equipment Manufacturing Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-22
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to a superfine vertical mill with a crushing pretreatment structure, which relates to the technical field of vertical mills and comprises a vertical mill body, wherein a screw feeder is arranged at the position of a feeding hole of the vertical mill body, the screw feeder comprises a screw conveying cylinder, a feeding hole and a discharging hole, and a crushing pretreatment device is arranged in the feeding hole; the problems of excessive abrasion and temperature rise of the grinding tool in the prior art are effectively solved.

Description

Superfine vertical mill with crushing pretreatment structure

Technical Field

The utility model relates to the technical field of vertical mills, in particular to an ultrafine vertical mill with a crushing pretreatment structure.

Background

The vertical mill is a grinding device integrating fine crushing, drying, grinding, powder selecting and conveying, and is widely used for grinding and superfine grinding of various solid materials in the industries of cement, building materials, electric power, metallurgy, chemical industry, non-metal ores and the like.

It is widely applied to the fields of metallurgy, building materials, chemical industry, mines and the like. The method is an important material ultra-fine powder processing device and other tableland material deep processing machines. The vertical mill equipment mainly comprises: bag-type dust remover, fluidized bed furnace, centrifugal fan (double suction), steel wire adhesive tape lifter, adhesive tape conveyer, valve, chute, etc., belt scale, permanent magnet iron remover, Roots blower, small bag-type dust remover, air compressor, air storage tank and other auxiliary equipment.

The working principle of the vertical mill is as follows: the grinding material is extruded, thrown off the disc under the action of centrifugal force and sunk to the nozzle ring, blown away by high-speed wind at the nozzle ring, the heavy metal ore is sunk to the lower part of the nozzle ring to discharge fine powder, separated by a separator, collected in a dust collector along with gas, and circulated back to throw coarse powder particles, lost support along with the reduction of wind speed, and settled on the disc surface, and enters a press grinding track by centrifugal force to perform a new cycle of circulation for multiple times, and the heat transfer between the particles and the gas evaporates the water.

Found mill in the use bold material first select to be broken into the fritter material through the ore crusher, the fritter material carries into through material conveying equipment and stands the mill and grind, but the broken inhomogeneous of material of fritter, wherein the great grinding apparatus that can lead to behind the mill of being carried to standing to the mill of volume excessively wearing and tearing and intensification, influences the life who stands the mill.

Accordingly, the present invention provides an ultrafine vertical mill having a crushing pretreatment structure to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the superfine vertical mill with the crushing pretreatment structure, which effectively solves the problems of excessive wear and temperature rise of the grinding tool in the prior art.

The utility model is realized by the following technical scheme that the superfine vertical mill with the crushing pretreatment structure comprises a vertical mill body, wherein a screw feeder is arranged at the position of a feeding port of the vertical mill body, the screw feeder comprises a screw conveying cylinder, a feeding port and a discharging port, and a crushing pretreatment device is arranged on the feeding port.

In order to further optimize the present invention, the following technical solutions may be preferably selected:

preferably, the feed inlet includes feed inlet and broken preprocessing device, broken preprocessing device sets up in the feed inlet below, the broken preprocessing device top of feed inlet bottom intercommunication, broken preprocessing device includes casing, broken mechanism sets up inside the casing.

Preferably, the crushing mechanism is two crushing rollers arranged in parallel, the crushing rollers are rotatably connected with the shell, and the two crushing rollers rotate relatively.

Preferably, the same end of each of the two crushing rollers is fixedly connected with a same gear, the two gears are in meshed transmission with each other, and one of the gears is connected with an external rotation driving source.

Preferably, the crushing roller comprises a screening section and a crushing section, the screening section being arranged below the feed portion.

Preferably, screening convex ridges are uniformly arranged on the screening section, and screening holes are formed at the contact positions of the screening convex ridges of the two crushing rollers.

Preferably, the crushing section is uniformly provided with crushing teeth, and the two crushing rollers rotate relatively to crush the object to be crushed by the crushing teeth.

Preferably, the screening ridges are spiral, and the rotation directions of the screening ridges of the two crushing rollers are opposite.

The utility model has the beneficial effects that:

through set up broken preprocessing device in the feed inlet of screw feeder, carry out further breakage with the great material of volume for the great material volume of volume diminishes, has avoided the great problem that can lead to the mill to excessively wear and tear and heat up after being carried to the vertical mill of volume effectively.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a feed inlet of the present invention;

FIG. 3 is a schematic top view of a feed inlet according to the present invention;

FIG. 4 is a schematic sectional view of the crushing pretreatment device of the present invention.

Description of the reference numerals

1. A vertical mill body; 2. a screw feeder; 3. a screw conveying cylinder; 4. a feed inlet; 5. a feed opening; 6. a feeding section; 7. a crushing pretreatment device; 71. a housing; 72. a crushing mechanism; 721. screening convex ridges; 722. a screening well; 723. crushing teeth; 8. a gear.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a superfine mill that stands with broken preliminary treatment structure, as shown in fig. 1-4, including standing mill body 1, the pay-off mouth position of standing mill body 1 sets up screw feeder 2, and screw feeder 2 includes a screw conveying section of thick bamboo 3, feed inlet 4, feed opening 5, sets up broken preliminary treatment device on feed inlet 4 for the material volume that the volume is great diminishes.

The structure of feed inlet 4 is for including feed portion 6 and broken preprocessing device 7, broken preprocessing device 7 sets up in feed portion 6 below, the broken preprocessing device 7 top of feed portion 6 bottom intercommunication, broken preprocessing device 7 includes casing 71, broken mechanism 72 sets up inside casing 71, broken mechanism 72 is two parallel arrangement's crushing roller, the crushing roller rotates with casing 71 to be connected, two crushing roller rotate relatively to further break the material.

In order to enable the two crushing rollers to rotate relatively, the same end of each of the two crushing rollers is fixedly connected with a same gear 8, the two gears 8 are in meshed transmission, and one gear 8 is connected with an external rotation driving source.

In order to prolong the service life of the crushing roller, a screening section and a crushing section are designed on the crushing roller, the screening section and the crushing section are used for firstly directly leaking materials with the volume meeting the requirements into the screw conveying cylinder 3 below the screening section to be conveyed into the vertical mill body 1 for grinding, and crushing the materials with the volume not meeting the requirements, so that the service strength of the crushing roller is effectively reduced, the service life of the crushing roller is prolonged, the screening section is arranged below the feeding part 6, so that the materials are firstly screened by the screening section, the materials which do not leak down enter the crushing section to be crushed, the crushing section is uniformly provided with crushing teeth 723, the two crushing rollers rotate relatively to crush the materials to be crushed by the crushing teeth, the screening section is uniformly provided with screening ridges 721, and the contact positions of the screening ridges 721 of the two crushing rollers form screening holes 722.

In order to send the material which does not leak to the crushing section, the screening convex arris 721 is spiral, the rotation directions of the screening convex arris 721 of the two crushing rollers are opposite, and the material which does not leak under the rotation of the crushing rollers is pushed to the crushing section through the spiral screening convex arris 721 to be crushed.

During the specific use, in adding the feed portion of feed inlet with the material, the material at first falls in the screening section of crushing roller, screens, and the material that accords with size requirement falls to the auger delivery section through the screening hole and carries and grind in the vertical mill body, and the size is not conform to the material of requirement and falls to the auger delivery section by protruding stupefied pushing away of screening and carrying out the breakage back and defeated in the auger delivery section.

The utility model has the beneficial effects that:

through set up broken preprocessing device in the feed inlet of spiral feeder, carry out further breakage with the great material of volume for the great material volume of volume diminishes, has avoided the great problem that can lead to mill excessive wear and intensification after being carried to the vertical mill of volume effectively.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a superfine vertical mill with broken preliminary treatment structure, includes vertical mill body (1), the pay-off mouth position of vertical mill body (1) sets up screw feeder (2), screw feeder (2) include screw conveyer section of thick bamboo (3), feed inlet (4), feed opening (5), its characterized in that, set up broken preprocessing device on feed inlet (4).

2. The ultrafine vertical mill with a crushing pretreatment structure according to claim 1, wherein the feed port (4) comprises a feed part (6) and a crushing pretreatment device (7), the crushing pretreatment device (7) is arranged below the feed part (6), the bottom of the feed part (6) is communicated with the top of the crushing pretreatment device (7), the crushing pretreatment device (7) comprises a shell (71) and a crushing mechanism (72), and the crushing mechanism (72) is arranged inside the shell (71).

3. An ultrafine vertical mill with a crushing pretreatment structure according to claim 2, characterized in that the crushing mechanism (72) is two crushing rolls arranged in parallel, the crushing rolls are rotatably connected with the housing (71), and the two crushing rolls rotate relatively.

4. A superfine vertical mill with crushing pretreatment structure according to claim 3, characterized in that the same end of each of the two crushing rolls is fixedly connected with a same gear (8), the two gears (8) are in mesh transmission with each other, and one gear (8) is connected with an external rotation driving source.

5. An ultrafine vertical mill with a crushing pretreatment structure according to claim 3 or 4, characterized in that the crushing roller comprises a screening section and a crushing section, the screening section being provided below the feed section (6).

6. The superfine vertical mill with the crushing pretreatment structure as claimed in claim 5, wherein the screening section is uniformly provided with screening ridges (721), and the contact position of the screening ridges (721) of the two crushing rolls forms screening holes (722).

7. The ultrafine vertical mill with the structure for the pretreatment of pulverization according to claim 5, wherein said pulverizing section is provided with pulverizing teeth (723) uniformly, and both said pulverizing rollers are rotated relatively to pulverize the material to be pulverized by said pulverizing teeth (723).

8. The ultrafine vertical mill with a crushing pretreatment structure according to claim 6, wherein the screening ridges (721) are helical, and the screening ridges (721) of the two crushing rollers are opposite in rotation direction.