CN217069104U

CN217069104U - Slurry leakage prevention device for inlet of rod mill

Info

Publication number: CN217069104U
Application number: CN202220899277.2U
Authority: CN
Inventors: 宋卫祥; 刘友良; 王传星; 陆敏宜
Original assignee: Shandong Lianbang Heavy Industry Co ltd
Current assignee: Shandong Lianbang Heavy Industry Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-29
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a rod mill technical field specifically discloses a rod mill import leak protection thick liquid device, including end cover, connecting seat and sealing sleeve, end cover, connecting seat formula structure as an organic whole, and the end cover passes through the helicitic texture and is connected with rod mill fixed connection, the sealing sleeve passes through the helicitic texture and links to each other with the connecting seat, be provided with the conveying pipe in the sealing sleeve; the whole sealing sleeve is of a funnel-shaped structure, one end of the sealing sleeve is positioned in the connecting seat, and the other end of the sealing sleeve is used for the feeding pipe to penetrate through; a sealing ring is arranged on the inner side of the sealing sleeve, a sealing element is arranged at the end part of the feeding pipe, and the sealing element and the sealing ring are mutually attached; the central axes of the end cover, the connecting seat, the sealing sleeve, the rod mill and the feeding pipe are kept coincident; the device provided by the utility model realizes the sealing effect between the feeding pipe through the funnel-shaped sealing sleeve, has good overall sealing performance, and avoids the slurry leakage at the inlet; the whole structure is simple, and the installation is convenient.

Description

Slurry leakage prevention device for inlet of rod mill

Technical Field

The utility model relates to a rod mill technical field specifically is a rod mill import leak protection thick liquid device.

Background

Coal water slurry is a raw material of Texaco gasification, a rod mill is a single-bin center discharge wet overflow rod mill, generally, coal, water and additives enter a cylinder body through a feed pipe from the center of a feed end cover of the rod mill, then a driving system drives the cylinder body to rotate at a certain rotating speed, under the action of centrifugal force, a steel rod rotates along with the cylinder body to a certain height and then falls down to crush the coal, in addition, sliding grinding is arranged between the rod and between the rod and a lining plate to enable the coal to reach qualified particle size distribution, then the coal water slurry is discharged from the mill from the center of a discharge end cover and enters a discharge groove of the mill after being filtered by a screen.

Because there is the clearance between current feed pipe and the rod mill feed end cover, this just leads to the coal thick liquid in the barrel of rod mill in the operation process to flow from feed end cover department easily, so not only causes the waste of coal, has also polluted on-the-spot environment simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stick mill import leak protection thick liquid device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the rod mill inlet slurry leakage prevention device comprises an end cover, a connecting seat and a sealing sleeve, wherein the end cover and the connecting seat are of an integrated structure, the end cover is fixedly connected with a rod mill through a threaded structure, the sealing sleeve is connected with the connecting seat through a threaded structure, and a feeding pipe is arranged in the sealing sleeve; the whole sealing sleeve is of a funnel-shaped structure, one end of the sealing sleeve is positioned in the connecting seat, and the other end of the sealing sleeve is used for the feeding pipe to penetrate through; a sealing ring is arranged on the inner side of the sealing sleeve, a sealing element is arranged at the end part of the feeding pipe, and the sealing element and the sealing ring are mutually attached; the central axes among the end cover, the connecting seat, the sealing sleeve, the rod mill and the feeding pipe are kept coincident.

Preferably, the sealing element is integrally of a funnel-shaped structure and is made of a metal material; the funnel face of sealing member is parallel to each other with sealing sleeve's funnel face, the sealing washer is made by rubber materials to through viscose and the bonding of sealing sleeve inner wall.

Preferably, the end cover is internally provided with a support, the support is provided with a limiting sleeve, the inner side of the sealing element is fixedly provided with a limiting rod, and the limiting rod is correspondingly spliced with the limiting sleeve.

Preferably, a spring structure is arranged in the limiting sleeve, and one end of the limiting rod is inserted into the limiting sleeve and is connected with one end of the spring structure.

Preferably, the support is of a cross structure, and the four limiting sleeves are arranged on four side arms of the cross structure of the support and are located in the middle of the side arms.

Compared with the prior art, the beneficial effects of the utility model are that: the device provided by the utility model utilizes the elasticity to lead the funnel-shaped sealing sleeve and the sealing piece to be tightly attached, thereby realizing the sealing effect between the device and the feeding pipe, having good overall sealing performance and avoiding the slurry leakage at the inlet; the whole structure is simple, and the installation is convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sealing member of the present invention;

reference numbers in the figures: 1. an end cap; 2. a connecting seat; 3. a sealing sleeve; 4. a rod mill; 5. a feed pipe; 6. a seal ring; 7. a seal member; 8. a support; 9. a limiting sleeve; 10. a limiting rod.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: an inlet slurry leakage prevention device for a rod mill comprises an end cover 1, a connecting seat 2 and a sealing sleeve 3, wherein the end cover 1 and the connecting seat 2 are of an integrated structure, the end cover 1 is fixedly connected with a rod mill 4 through a threaded structure, the sealing sleeve 3 is connected with the connecting seat 2 through a threaded structure, and a feeding pipe 5 is arranged in the sealing sleeve 3; the whole sealing sleeve 3 is of a funnel-shaped structure, one end of the sealing sleeve 3 is positioned in the connecting seat 2, and the other end of the sealing sleeve is used for the feeding pipe 5 to penetrate through; a sealing ring 6 is arranged on the inner side of the sealing sleeve 3, a sealing element 7 is arranged at the end part of the feeding pipe 5, and the sealing element 7 and the sealing ring 6 are mutually attached; the central axes among the end cover 1, the connecting seat 2, the sealing sleeve 3, the rod mill 4 and the feeding pipe 5 are kept coincident.

Further, the sealing element 7 is integrally of a funnel-shaped structure and is made of a metal material; the funnel surface of the sealing element 7 is parallel to the funnel surface of the sealing sleeve 3, and the sealing ring 6 is made of rubber materials and is bonded with the inner wall of the sealing sleeve 3 through adhesive.

Further, a support 8 is arranged inside the end cover 1, a limiting sleeve 9 is arranged on the support 8, a limiting rod 10 is fixedly arranged on the inner side of the sealing element 7, and the limiting rod 10 is correspondingly inserted into the limiting sleeve 9.

Furthermore, a spring structure is arranged in the limiting sleeve 9, and one end of the limiting rod 10 is inserted into the limiting sleeve 9 and is connected with one end of the spring structure.

Further, the support 8 is of a cross structure, and the limiting sleeves 9 are provided with four groups, are respectively arranged on four side arms of the cross structure of the support 8, and are located in the middle of the side arms.

The working principle is as follows: in the actual use process, coal slurry is fed into the sealing sleeve 3 from the feeding pipe 5 and then enters the rod mill 4 through the end cover 1; the end part of the feeding pipe 5 is tightly attached to the sealing ring 6 inside the funnel-shaped sealing sleeve 3 through the funnel-shaped sealing piece 7, so that the sealing effect is realized, and the coal slurry is prevented from leaking.

The end cover 1 is fixedly connected with the rod mill 4 through a thread structure, the sealing sleeve 3 is connected with the connecting seat 2 through a thread structure, and the connecting mode is enough fixed. Through setting up support 8 in 1 temple of end cover, peg graft through gag lever post 10 on spacing sleeve 9 and the sealing member 7 on the support 8 to through the inside spring of spacing sleeve 9, give gag lever post 10 elasticity, thereby make gag lever post 10 promote sealing member 7, make it keep the state of laminating all the time with sealing washer 6, thereby guarantee the holistic leakproofness of installation back.

The support 8 is in a cross structure, the limiting sleeve 9 is positioned in the middle of four side walls of the cross structure, and is stressed uniformly, so that the stress uniformity of the sealing element 7 is ensured; meanwhile, the bracket 8 with the cross-shaped structure does not influence the normal flow of the coal slurry.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stick mill import leak protection thick liquid device which characterized in that: the rod mill connecting device comprises an end cover (1), a connecting seat (2) and a sealing sleeve (3), wherein the end cover (1) and the connecting seat (2) are of an integrated structure, the end cover (1) is fixedly connected with a rod mill (4) through a threaded structure, the sealing sleeve (3) is connected with the connecting seat (2) through a threaded structure, and a feeding pipe (5) is arranged in the sealing sleeve (3); the whole sealing sleeve (3) is of a funnel-shaped structure, one end of the sealing sleeve (3) is positioned in the connecting seat (2), and the other end of the sealing sleeve is used for a feeding pipe (5) to penetrate through; a sealing ring (6) is arranged on the inner side of the sealing sleeve (3), a sealing element (7) is arranged at the end part of the feeding pipe (5), and the sealing element (7) and the sealing ring (6) are mutually attached; the central axes among the end cover (1), the connecting seat (2), the sealing sleeve (3), the rod mill (4) and the feeding pipe (5) are kept coincident.

2. The rod mill inlet slurry leakage prevention device according to claim 1, wherein: the sealing element (7) is integrally of a funnel-shaped structure and is made of a metal material; the funnel face of sealing member (7) is parallel to each other with the funnel face of sealing sleeve (3), sealing washer (6) are made by rubber materials to through viscose and the bonding of sealing sleeve (3) inner wall.

3. The rod mill inlet slurry leakage prevention device according to claim 1, wherein: the end cover is characterized in that a support (8) is arranged inside the end cover (1), a limiting sleeve (9) is arranged on the support (8), a limiting rod (10) is fixedly arranged on the inner side of the sealing element (7), and the limiting rod (10) is correspondingly inserted into the limiting sleeve (9).

4. The rod mill inlet slurry leakage prevention device according to claim 3, wherein: a spring structure is arranged in the limiting sleeve (9), and one end of the limiting rod (10) is inserted into the limiting sleeve (9) and is connected with one end of the spring structure.

5. The rod mill inlet slurry leakage prevention device according to claim 3, wherein: the support (8) is of a cross structure, the limiting sleeves (9) are provided with four groups and are respectively arranged on four side arms of the cross structure of the support (8) and are positioned in the middle of the side arms.