CN215030130U

CN215030130U - Dense medium cyclone suitable for coal separation

Info

Publication number: CN215030130U
Application number: CN202121058414.1U
Authority: CN
Inventors: 徐之帅; 袁博群; 齐艳华
Original assignee: Tangshan Lianzhong Coal Dressing Technology Co ltd
Current assignee: Tangshan Lianzhong Coal Dressing Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-07
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a dense medium cyclone that is fit for coal branch to choose for use, including dense medium cyclone, dense medium cyclone's one end is connected with raw coal pan feeding pipe, and the top of raw coal pan feeding pipe is fixed with first connecting plate, and the top of first connecting plate is fixed with keeps off the material cover, keeps off the top of material cover and installs the apron, and the connection nail is installed on the top of apron. The cover plate is rotatably connected with the material blocking cover, when coal is not sorted, the cover plate covers the material blocking cover, foreign matters such as dust outside are avoided, the foreign matters enter the heavy medium cyclone, and the coal is kept normally sorted. The sealing ring is arranged at the top end of the dense medium feeding pipe, so that the joint is tightly sealed, and the dense medium solution is prevented from leaking.

Description

Dense medium cyclone suitable for coal separation

Technical Field

The utility model belongs to the technical field of the coal is selected separately, specifically be a dense medium cyc lone that suitable coal branch chooseed for use.

Background

When coal is washed and selected, the heavy medium cyclone is one of indispensable devices, can produce two or more products by using heavy suspension liquid with single density, and is widely applied to the field of coal separation at present. The dense medium cyclone has the characteristics of small volume, no moving part, large treatment capacity, high separation efficiency, stable performance and the like, and is widely applied.

The chinese utility model of the bulletin number of authorizing CN203155403U specially does benefit to 2013 8 th 28 th and discloses a dense medium cyclone that is fit for coal branch to select for use, belongs to coal dressing equipment technical field for solve the eccentric problem in the inside flow field of whole swirler, its technical scheme is: it comprises pan feeding pipe, first separating chamber, second separating chamber, first separating chamber is the cylinder, the upper portion of second separating chamber is the cylinder, the lower part is the circular cone barrel, the cylinder diameter of first separating chamber is greater than the cylinder diameter on second separating chamber upper portion, the lower part of first separating chamber is connected with the upper portion of second separating chamber, two cylinders of first separating chamber and second separating chamber are tangent at the upside, the upper end at first separating chamber is connected to the pan feeding union coupling, the circumference lateral wall of pan feeding pipe lateral wall and first separating chamber is tangent. The above structure is adopted in the utility model, the eccentric problem in the inside flow field of swirler has been eliminated to first separator, and the raw coal has carried out the preliminary separation in first separator to obtain further sorting in the second separator, have simple structure, select separately the characteristics that the precision is high, the energy consumption is low.

According to the existing dense medium cyclone suitable for coal separation, as the mouth of a raw coal feeding pipe is upward, when coal separation is not performed, external dust and other impurities easily enter the interior of the dense medium cyclone through the raw coal feeding pipe, so that the coal separation is influenced, and the dense medium cyclone is easily damaged; meanwhile, in the process of adding the dense medium into the dense medium cyclone by the dense medium feeding pipe, the connection part is not tightly sealed, and the dense medium solution is easy to leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dense medium cyc lone that suitable coal branch chooseed for use to solve because raw coal pan feeding pipe mouth of pipe up, when not carrying out coal and select separately, debris such as external dust get into the inside problem of dense medium cyc lone through raw coal pan feeding pipe easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dense medium cyc lone that is fit for coal branch to select for use, includes dense medium cyc lone, the one end of dense medium cyc lone is connected with raw coal pan feeding pipe, the top of raw coal pan feeding pipe is fixed with first connecting plate, the top of first connecting plate is fixed with keeps off the material cover, keep off the top of material cover and install the apron, the connection nail is installed on the top of apron.

Preferably, the other end of the dense medium cyclone is provided with a dense medium feeding pipe, a second connecting plate is fixed to the top end of the dense medium feeding pipe, an installation groove is formed in the surface of the second connecting plate, and a sealing ring is installed inside the installation groove.

Preferably, the first connecting plate is horizontally arranged, and the first connecting plate is of a circular structure.

Preferably, the material blocking cover is of a horn-shaped structure, and the top end of the material blocking cover is horizontally arranged.

Preferably, the diameter of the cover plate is not smaller than that of the top end of the material blocking cover, and the cover plate is rotatably connected with the material blocking cover through a connecting nail.

Preferably, the dense medium feeding pipe is connected with the dense medium cyclone in a tangent mode, and the cross section of the dense medium feeding pipe is of a square structure.

Preferably, the second connecting plate is of a circular structure, the thickness of the sealing ring is not smaller than the depth of the mounting groove, and the sealing ring is made of rubber.

Compared with the prior art, the utility model discloses a heavy medium cyclone that suitable coal branch was selected for use of example:

1. be provided with apron and fender material cover, during the use, apron and fender material cover rotate to be connected, when not carrying out coal and select separately, the apron covers the fender material cover, avoids debris such as external dust, gets into inside the dense medium cyc lone, keeps coal normally to select separately.

2. The sealing ring is arranged at the top end of the dense medium feeding pipe during use, so that the joint is tightly sealed, and the dense medium solution is prevented from leaking.

Drawings

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

fig. 2 is a sectional view of the dense medium feeding pipe of fig. 1 according to the present invention;

FIG. 3 is a top view of the raw coal feeding pipe of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of fig. 1 at a according to the present invention;

fig. 5 is an enlarged view of the position B of fig. 1 according to the present invention.

In the figure: 1. a dense medium cyclone; 2. a raw coal feeding pipe; 3. a first connecting plate; 4. a material blocking cover; 5. A cover plate; 6. a dense medium feeding pipe; 7. a second connecting plate; 8. mounting grooves; 9. a seal ring; 10. and (5) connecting nails.

Detailed Description

Referring to fig. 1, 3 and 5, a dense medium cyclone suitable for coal separation includes a dense medium cyclone 1, wherein the dense medium cyclone 1 is disposed in an inclined manner; one end of the dense medium cyclone 1 is connected with a raw coal feeding pipe 2, the top end of the raw coal feeding pipe 2 is fixed with a first connecting plate 3, the first connecting plate 3 is of a circular structure, and the first connecting plate 3 is horizontally arranged.

Referring to fig. 1, 3 and 5, a material blocking cover 4 is fixed at the top end of the first connecting plate 3, and the material blocking cover 4 is of a horn-shaped structure with a large upper part and a small lower part and is used for blocking scattered raw coal when raw coal is fed and reducing pollution caused by coal separation; the top end of the material blocking cover 4 is horizontally arranged, and the cover plate 5 is installed at the top end of the material blocking cover 4.

Referring to fig. 1, 3 and 5, the diameter of the cover plate 5 is not smaller than the diameter of the top end of the material blocking cover 4, a connecting nail 10 is installed at the top end of the cover plate 5, and the cover plate 5 is rotatably connected with the material blocking cover 4 through the connecting nail 10; when not carrying out coal and select separately, apron 5 covers striker cover 4, avoids debris such as external dust, and inside getting into dense medium cyclone 1 through striker cover 4 and raw coal pan feeding pipe 2, keep coal normally to select separately.

Referring to fig. 1, fig. 2 and fig. 4, a dense medium feeding pipe 6 is arranged at the other end of the dense medium cyclone 1, the cross section of the dense medium feeding pipe 6 is of a square structure, and the dense medium feeding pipe 6 is connected with the dense medium cyclone 1 in a tangent mode; a second connecting plate 7 is fixed at the top end of the dense medium feeding pipe 6, and the second connecting plate 7 is of a circular structure.

Referring to fig. 1, 2 and 4, a mounting groove 8 is formed in the surface of the second connecting plate 7, the mounting groove 8 is of a circular ring structure, a sealing ring 9 is mounted inside the mounting groove 8, the sealing ring 9 is made of rubber, and the thickness of the sealing ring 9 is not less than the depth of the mounting groove 8; the sealing ring 9 is arranged at the top end of the dense medium feeding pipe 6, so that the joint is tightly sealed, and the dense medium solution is prevented from leaking.

The working principle of the scheme is as follows: the material blocking cover 4 is arranged at the top end of the raw coal feeding pipe 2 through a first connecting plate 3, and the cover plate 5 is arranged at the top end of the material blocking cover 4 through a connecting nail 10 and is rotatably connected with the material blocking cover 4; when raw coal is sorted, the cover plate 5 is rotated, the material blocking cover 4 is opened, and the raw coal enters the heavy medium cyclone 1 through the material blocking cover 4 and the raw coal feeding pipe 2; when not carrying out coal and select separately, apron 5 covers striker cover 4, avoids debris such as external dust, and inside getting into dense medium cyclone 1 through striker cover 4 and raw coal pan feeding pipe 2, keep coal normally to select separately.

The sealing ring 9 is arranged in the mounting groove 8 at the top end of the second connecting plate 7, and when the dense medium solution is introduced, the sealing ring 9 is used for tightly sealing the joint of the second connecting plate 7, so that the dense medium solution is prevented from leaking.

Claims

1. The utility model provides a heavy medium cyclone that is fit for coal branch to select for use, includes heavy medium cyclone (1), its characterized in that: the heavy medium cyclone is characterized in that one end of the heavy medium cyclone (1) is connected with a raw coal feeding pipe (2), a first connecting plate (3) is fixed to the top end of the raw coal feeding pipe (2), a material blocking cover (4) is fixed to the top end of the first connecting plate (3), a cover plate (5) is installed on the top end of the material blocking cover (4), and a connecting nail (10) is installed on the top end of the cover plate (5).

2. The dense medium cyclone suitable for coal separation according to claim 1, wherein: the dense medium cyclone device is characterized in that a dense medium feeding pipe (6) is arranged at the other end of the dense medium cyclone (1), a second connecting plate (7) is fixed to the top end of the dense medium feeding pipe (6), a mounting groove (8) is formed in the surface of the second connecting plate (7), and a sealing ring (9) is mounted inside the mounting groove (8).

3. The dense medium cyclone suitable for coal separation according to claim 1, wherein: the first connecting plate (3) is horizontally arranged, and the first connecting plate (3) is of a circular structure.

4. The dense medium cyclone suitable for coal separation according to claim 1, wherein: the material blocking cover (4) is of a horn-shaped structure, and the top end of the material blocking cover (4) is horizontally arranged.

5. The dense medium cyclone suitable for coal separation according to claim 1, wherein: the diameter of the cover plate (5) is not smaller than that of the top end of the material blocking cover (4), and the cover plate (5) is rotatably connected with the material blocking cover (4) through a connecting nail (10).

6. The dense medium cyclone suitable for coal separation according to claim 2, wherein: the dense medium feeding pipe (6) is connected with the dense medium cyclone (1) in a tangent mode, and the cross section of the dense medium feeding pipe (6) is of a square structure.

7. The dense medium cyclone suitable for coal separation according to claim 2, wherein: the second connecting plate (7) is of a circular structure, the thickness of the sealing ring (9) is not smaller than the depth of the mounting groove (8), and the sealing ring (9) is made of rubber.