CN111729731B

CN111729731B - Discharge end device of mill

Info

Publication number: CN111729731B
Application number: CN202010632237.7A
Authority: CN
Inventors: 贾永
Original assignee: Beijing Shitong Technology Co ltd
Current assignee: Beijing Shitong Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2023-05-26
Anticipated expiration: 2040-07-03
Also published as: CN111729731A

Abstract

The utility model relates to the field of mills and discloses a high-energy mill discharge end device which comprises a discharge end cover connected with a mill cylinder, wherein the discharge end cover is connected with the mill cylinder through an end cover flange, and the discharge end cover is provided with a wet-type discharge module and/or a dry-type discharge module. The high-energy mill discharging end device designed by the utility model not only can be used for wet milling, but also can be used for dry milling, and the adjustment of the fineness of the discharged mill is realized by adjusting the height of the overflow adjusting pipe during wet milling, and meanwhile, the high-energy mill discharging end device has the discharging function of the mill material and the discharging function of the steel ball medium and the steel forging medium in the first release hole. And during dry grinding, the materials are released through the dry discharge hole, and the ground materials or steel balls and steel forging media are discharged through the second release hole. The utility model is applicable to high-energy mills with the characteristics of large size, high ball loading rate, low energy consumption, general dry milling and wet milling, and the like, and has the advantages of blocking prevention, ore milling fineness adjustment, medium discharge and the like.

Description

Discharge end device of mill

Technical Field

The utility model relates to the field of mills, in particular to a discharge end device of a high-energy mill.

Background

The discharge end of the known ball mill or other types of mills is a sealed end cover, and the center of the ball mill or other types of mills is provided with a discharge hole, so that the ball mill or other types of mills have no functions of medium discharge and material fineness control.

For example, national patent document CN201342360 discloses a "ball mill discharge end cover", the ball mill discharge end cover disclosed by the utility model, a hollow shaft neck (4) is fixedly connected with an end cover plate (2), a hole (3) is arranged on the end cover plate, the upper end of the end cover plate is concave and is an inner conical surface, and a step (1) is arranged at the end cover plate opening. The utility model can not be applied to high-energy mills with the characteristics of large size, high ball loading rate, low energy consumption, general dry grinding and wet grinding, and the like, and has no functions of preventing blocking, adjusting grinding fineness, discharging media, and the like.

Disclosure of Invention

The present utility model provides a discharge end device for a high energy mill, which solves the above-mentioned problems of the prior art.

The utility model provides a high energy mill discharge end device, includes the discharge end cover that links to each other with the mill barrel, the discharge end cover passes through the end cover flange and links to each other with the mill barrel, the discharge end cover is equipped with wet-type ejection of compact module and/or dry-type ejection of compact module.

Further, the wet discharging module comprises an overflow material box and a plurality of overflow ports which are arranged from high to low on the end cover surface of the discharging end cover; the overflow ports are respectively connected with the overflow feed box through a plurality of first branches; each first branch comprises a first flexible connection structure and a first flow guide pipe; the overflow ports are respectively provided with an overflow port flange; the first guide pipe is provided with a first guide pipe flange; one end of the first flexible connecting structure is connected with the overflow port through an overflow port flange, and the other end of the first flexible connecting structure is connected with the first flow guide pipe through a first flow guide pipe flange; the overflow material box is internally provided with a plurality of overflow adjusting pipes with adjustable heights, and a plurality of first guide pipes respectively extend into the overflow material box and are respectively connected with the plurality of overflow adjusting pipes with adjustable heights; the bottom of the overflow material box is provided with a wet-type discharge hole.

Further, the dry discharging module comprises a dry discharging hole and a discharging box; the dry-type discharging port is connected with the discharging box through a second branch; the second branch comprises a second soft connecting structure and a second flow guide pipe, the dry type discharge port is positioned at the lower part of the discharge end cover, the dry type discharge port is provided with a dry type discharge port flange, the second flow guide pipe is provided with a second flow guide pipe flange, one end of the second soft connecting structure is connected with the dry type discharge port through the dry type discharge port flange, and the other end of the second soft connecting structure is connected with the second flow guide pipe through the second flow guide pipe flange.

Further, a first release hole is formed in the lower portion of the end cover surface of the discharging end cover.

Further, the first release hole is provided with a first release hole flange, and the first release hole is connected with a first release hole plug through the first release hole flange; the first release hole plug is provided with a first release hole plug flange; the first release hole plug is connected with the flange between the first release holes.

Further, a second release hole is formed in the lower portion of the end cover surface of the discharging end cover.

Further, the second release hole is provided with a second release hole flange, and the second release hole is connected with a second release hole plug through the second release hole flange; the release hole plug is provided with a second release hole plug flange; and the second release hole plug is connected with the flange between the second release holes.

Further, a plurality of rib plates are arranged on the end cover surface of the discharge end cover, and the rib plates comprise transverse rib plates and/or longitudinal rib plates.

Further, each of the plurality of first branches is provided with a first stop valve and/or a first control valve.

Further, the second branch is provided with a second stop valve and/or a second control valve.

The beneficial effects of the utility model are as follows: the high-energy mill discharging end device designed by the utility model not only can be used for wet milling, but also can be used for dry milling, and the adjustment of the fineness of the discharged mill is realized by adjusting the height of the overflow adjusting pipe during wet milling, and meanwhile, the high-energy mill discharging end device has the discharging function of the mill material and the discharging function of the steel ball medium and the steel forging medium in the first release hole. And during dry grinding, the materials are released through the dry discharge hole, and the ground materials or steel balls and steel forging media are discharged through the second release hole. The utility model is applicable to high-energy mills with the characteristics of large size, high ball loading rate, low energy consumption, general dry milling and wet milling, and the like, and has the advantages of blocking prevention, ore milling fineness adjustment, medium discharge and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a discharge end device of a high-energy mill according to an embodiment of the utility model.

Fig. 2 is a schematic view of a first release hole according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a discharge end device of a high-energy mill according to a second embodiment of the present utility model.

Fig. 4 is a schematic view of a second release hole according to a second embodiment of the present utility model.

01. The wet-type discharging end cover comprises a wet-type discharging end cover 02, a rib plate, 03, an overflow port, 04, a first flexible connecting structure, 05, a first flow guide pipe, 06, an overflow feed box, 07, an overflow adjusting pipe, 08, a wet-type discharging port, 09, a first release hole, 10, a first release hole flange, 11, a first release hole plug, 12, a first release hole plug flange, 13 and a first end cover flange; 14. the dry type discharging end cover, 15, a second end cover flange, 16, a second releasing hole, 17, a dry type discharging hole, 18, a second soft connecting structure, 19, a second flow guiding pipe, 20, a second releasing hole, 21, a second releasing hole flange, 22, a second releasing hole plug, 23 and a second releasing hole plug flange.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model. It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above-described drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and it should be understood that the terms so used may be interchanged as appropriate, merely to describe the manner in which objects of the same nature are distinguished in describing the embodiments of the present utility model. Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In a first embodiment, as shown in fig. 1, a discharge end device of a high-energy mill comprises a wet discharge end cover 01 connected with a mill cylinder, wherein the wet discharge end cover 01 is connected with the mill cylinder through a first end cover flange 13, and the wet discharge end cover 01 is provided with a wet discharge module. A plurality of rib plates 02 are arranged on the end cover surface of the wet-type discharge end cover 01, and the rib plates 02 comprise transverse rib plates and longitudinal rib plates.

The wet discharging module comprises an overflow feed box 06 and a plurality of overflow ports 03 which are arranged on the end cover surface of the wet discharging end cover 01 from high to low; the overflow ports 03 are respectively connected with the overflow feed box 06 through a plurality of first branches; each first branch comprises a first flexible connection structure 04 and a first flow guide pipe 05; the overflow ports 03 are respectively provided with an overflow port flange; the first flow guide pipe 05 is provided with a first flow guide pipe flange; one end of the first flexible connecting structure 04 is connected with the overflow port 03 through an overflow port flange, and the other end of the first flexible connecting structure 04 is connected with the first flow guide pipe 05 through a first flow guide pipe flange; the overflow feed box 06 is internally provided with a plurality of overflow adjusting pipes 07 with adjustable heights, and a plurality of first guide pipes 05 respectively extend into the overflow feed box 06 and are respectively connected with the plurality of overflow adjusting pipes 07 with adjustable heights; the bottom of the overflow material box 06 is provided with a wet-type discharge hole 08.

As shown in fig. 2, a first release hole 09 is provided in the lower part of the end cover surface of the wet type discharge end cover 01. The first release hole 09 is provided with a first release hole flange 10, and the first release hole 09 is connected with a first release hole plug 11 through the first release hole flange 10; the first release plug 11 is provided with a first release plug flange 12; the first release hole plug 11 is flanged to the first release hole 09. The first release hole flange 10 and the first release hole plug flange 12 are connected through bolts, and can also be connected through clamping devices.

The first release plug 11 can be inserted into the first release hole 09, and the medium (steel ball or steel forging) in the mill can be discharged outside the mill by removing the first release plug 11. A first branch may also be installed in the first release hole 09, through which branch the fluid in the mill is led to the overflow box, which is arranged at the first release hole 09.

In a second embodiment, as shown in fig. 3, a discharge end device of a high-energy mill includes a dry discharge end cover 14 connected to a mill cylinder, where the dry discharge end cover 14 is connected to the mill cylinder through a second end cover flange 15, and the dry discharge end cover 14 is provided with a dry discharge module. A plurality of longitudinal rib plates are arranged on the end cover surface of the dry discharging end cover 14.

The dry discharging module comprises a dry discharging hole 17 and a discharging box; the dry discharging port 17 is connected with the discharging box through a second branch; the second branch road comprises a second flexible connection structure 18 and a second flow guide pipe 19, the dry type discharge port 17 is positioned at the lower part of the dry type discharge end cover 14, the dry type discharge port 17 is provided with a dry type discharge port flange, the second flow guide pipe 19 is provided with a second flow guide pipe flange, one end of the second flexible connection structure 18 is connected with the dry type discharge port 17 through the dry type discharge port flange, and the other end of the second flexible connection structure 18 is connected with the second flow guide pipe 19 through the second flow guide pipe flange.

As shown in fig. 4, the lower end cap face of the dry end cap 14 is provided with a second relief hole 20. The second release hole 20 is provided with a second release hole flange 21, and the second release hole 20 is connected with a second release hole plug 22 through the second release hole flange 21; the second release plug 22 is provided with a second release plug flange 23; the second release hole plug 22 is flanged to the second release hole 20. The second release hole flange 21 and the second release hole plug flange 23 are connected through bolts, and can also be connected through clamping devices.

Embodiment three, a high energy mill discharge end device, including the discharge end cover that links to each other with the mill barrel, the discharge end cover passes through the end cover flange and links to each other with the mill barrel, and the discharge end cover is equipped with wet-type ejection of compact module and dry-type ejection of compact module. The end cover surface of the discharge end cover is provided with a plurality of transverse rib plates and a plurality of longitudinal rib plates.

The wet discharging module comprises an overflow material box and a plurality of overflow ports which are arranged from high to low on the end cover surface of the discharging end cover; the overflow ports are respectively connected with the overflow feed box through a plurality of first branches; each first branch comprises a first flexible connection structure and a first flow guide pipe; the overflow ports are respectively provided with an overflow port flange; the first guide pipe is provided with a first guide pipe flange; one end of the first flexible connecting structure is connected with the overflow port through an overflow port flange, and the other end of the first flexible connecting structure is connected with the first flow guide pipe through a first flow guide pipe flange; the overflow material box is internally provided with a plurality of overflow adjusting pipes with adjustable heights, and a plurality of first guide pipes respectively extend into the overflow material box and are respectively connected with the plurality of overflow adjusting pipes with adjustable heights; the bottom of the overflow material box is provided with a wet-type discharge hole. Each of the plurality of first branches is provided with a first stop valve and a first control valve. The first stop valve is a normally open valve.

The lower part of the end cover surface of the discharge end cover is provided with a first release hole. The first release hole is provided with a first release hole flange, and the first release hole is connected with a first release hole plug through the first release hole flange; the first release hole plug is provided with a first release hole plug flange; the first release hole plug is connected with the flange between the first release holes. The first release plug is insertable into the first release hole and the medium (steel ball or steel forging) in the mill can be discharged outside the mill by removing the first release plug. It is also possible to install a first branch in the first discharge hole, through which branch the fluid in the mill is led to the overflow tank.

The dry discharging module comprises a dry discharging hole and a discharging box; the dry-type discharging port is connected with the discharging box through a second branch; the second branch comprises a second soft connecting structure and a second flow guide pipe, the dry type discharge port is positioned at the lower part of the discharge end cover, the dry type discharge port is provided with a dry type discharge port flange, the second flow guide pipe is provided with a second flow guide pipe flange, one end of the second soft connecting structure is connected with the dry type discharge port through the dry type discharge port flange, and the other end of the second soft connecting structure is connected with the second flow guide pipe through the second flow guide pipe flange. The second branch is provided with a second stop valve and a second control valve. The second stop valve is a normally open valve. The first control valve and the second control valve are respectively connected with a controller.

The lower part of the end cover surface of the discharge end cover is provided with a second release hole. The second release hole is provided with a second release hole flange, and the second release hole is connected with a second release hole plug through the second release hole flange; the release hole plug is provided with a second release hole plug flange; the second release hole plug is connected with the second release hole through a flange.

The third embodiment provides a high energy mill discharge end device, which simultaneously sets up a wet type discharge module and a dry type discharge module at the discharge end cover, when the wet type mill is performed, the wet type mill can be opened by opening a first control valve on each first branch of the wet type discharge module and closing a second control valve on a second branch of the dry type discharge module through a controller, and materials in the mill are discharged through the wet type discharge module. When the dry mill is carried out, the controller is utilized to close the first control valve on each first branch of the wet discharging module, and open the second control valve on the second branch of the dry discharging module, so that the dry mill can be opened, and the materials in the mill can be discharged through the dry discharging module. In the embodiment, the first stop valve and the second stop valve are arranged, so that the device can be shut off through the first stop valve and the second stop valve when the device fails.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the utility model, which is also intended to be covered by the present utility model.

Claims

1. The discharging end device of the mill is characterized by comprising a discharging end cover connected with a mill cylinder, wherein the discharging end cover is connected with the mill cylinder through an end cover flange and is provided with a wet discharging module and/or a dry discharging module;

the wet type discharging module comprises an overflow material box and a plurality of overflow ports which are formed in the end cover surface of the discharging end cover from high to low; the overflow ports are respectively connected with the overflow feed box through a plurality of first branches; each first branch comprises a first flexible connection structure and a first flow guide pipe; the overflow ports are respectively provided with an overflow port flange; the first guide pipe is provided with a first guide pipe flange; one end of the first soft connecting structure is connected with the overflow port through the overflow port flange, and the other end of the first soft connecting structure is connected with the first flow guide pipe through the first flow guide pipe flange; the overflow bin is internally provided with a plurality of overflow adjusting pipes with adjustable heights, and a plurality of first guide pipes respectively extend into the overflow bin and are respectively connected with the plurality of overflow adjusting pipes with adjustable heights; the bottom of the overflow feed box is provided with a wet-type discharge hole;

the dry discharging module comprises a dry discharging hole and a discharging box; the dry-type discharge port is connected with the discharge box through a second branch; the second branch comprises a second soft connection structure and a second flow guide pipe, the dry type discharge port is positioned at the lower part of the discharge end cover, the dry type discharge port is provided with a dry type discharge port flange, the second flow guide pipe is provided with a second flow guide pipe flange, one end of the second soft connection structure is connected with the dry type discharge port through the dry type discharge port flange, and the other end of the second soft connection structure is connected with the second flow guide pipe through the second flow guide pipe flange.

2. The discharge end device of claim 1, wherein a first release hole is provided in a lower portion of an end cap face of the discharge end cap.

3. The mill discharge end apparatus of claim 2 wherein the first relief hole is provided with a first relief hole flange through which the first relief hole is connected with a first relief hole plug; the first release hole plug is provided with a first release hole plug flange; the first release hole plug is connected with the first release hole through a flange.

4. The discharge end device of claim 1, wherein a second release hole is provided in a lower portion of an end cap face of the discharge end cap.

5. The mill discharge end apparatus of claim 4 wherein said second discharge aperture is provided with a second discharge aperture flange through which said second discharge aperture is connected with a second discharge aperture plug; the release hole plug is provided with a second release hole plug flange; and the second release hole plug is connected with the second release hole through a flange.

6. The discharge end device of claim 1, wherein a plurality of rib plates are arranged on the end cover surface of the discharge end cover, and the rib plates comprise transverse rib plates and/or longitudinal rib plates.

7. The mill discharge end apparatus according to claim 1, wherein each of the plurality of first branches is provided with a first shut-off valve and/or a first control valve.

8. A mill discharge end arrangement according to claim 1, wherein the second branch is provided with a second shut-off valve and/or a second control valve.