CN210675878U

CN210675878U - A multistage screening equipment for coal preparation plant

Info

Publication number: CN210675878U
Application number: CN201921072622.XU
Authority: CN
Inventors: 于坤才; 景涛; 周德彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-06-05
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a multistage branch sieve equipment for coal preparation plant, including base, first support column, first spring, be provided with above the base first support column, be provided with above the first support column first spring, be provided with first reel above the first spring, be provided with first screen frame above the first spring, first screen frame is preceding to be provided with first sieve door, first sieve door front is provided with the first in command, be provided with the motor support below the first screen frame, be provided with fastening bolt below the motor support, be provided with first vibrating motor below the fastening bolt, first screen frame inboard is provided with the second grade screen cloth, be provided with the second support column above the first screen frame, be provided with the second spring above the second support column, be provided with the second screen frame above the second spring. Has the advantages that: the equipment can screen coal for three times by adopting a screen and a secondary screen, has good screening effect and high coal quality.

Description

A multistage screening equipment for coal preparation plant

Technical Field

The utility model relates to a divide the sieve equipment field, especially relate to a multistage branch sieve equipment for coal preparation plant.

Background

Coal is solid combustible mineral formed by burying ancient plants underground and undergoing complex biochemical and physicochemical changes, a coal preparation plant is a coal processing plant which is used for separating coal, removing mineral impurities in raw coal and dividing the raw coal into products with different specifications and is called a coal preparation plant, main products are clean coal and lump coal, the smaller the coal particles are, the less impurities are contained in the coal, therefore, the quality of coal can be distinguished according to the particle size of the coal, most of the existing coal screening equipment for coal preparation plants adopts a vibration screening which is the most effective screening method at present, but most of the existing screening devices adopt one-time screening and filtering, and no device for screening and filtering step by step is available, this has caused the branch sieve to need to go on many times, divides the sieve inefficiency, and the coal that divides the sieve also can cause certain influence to the quality of coal because of changing the branch sieve machine many times.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistage branch sieve equipment for coal preparation plant in order to solve above-mentioned problem, the utility model discloses a once screen cloth and second grade screen cloth can carry out the cubic screening to coal, and it is effectual to filter, and the coal high quality.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a multi-stage screening device for a coal preparation plant comprises a base, a first supporting column and a first spring, wherein the first supporting column is arranged on the base, the first spring is arranged on the first supporting column, a first screen frame is arranged on the first spring, a first screen door is arranged in front of the first screen frame, a first handle is arranged in front of the first screen door, a motor support is arranged below the first screen frame, a fastening bolt is arranged below the motor support, a first vibrating motor is arranged below the fastening bolt, a second-stage screen is arranged on the inner side of the first screen frame, a second supporting column is arranged on the first screen frame, a second spring is arranged on the second supporting column, a second screen frame is arranged on the second spring, a second screen door is arranged in front of the second screen frame, and a second handle is arranged in front of the second screen door, and a second vibrating motor is arranged below the second screen frame, and a first-level screen is arranged on the inner side of the second screen frame.

Preferably: the base with first support column passes through bolted connection, first support column with first spring passes through bolted connection, first spring with first reel passes through bolted connection.

According to the arrangement, the bolt connection contributes to firm connection between the base and the first support column, firm connection between the first support column and the first spring and firm connection between the first spring and the first screen frame.

Preferably: the first screen frame is connected with the first screen door through a hinge, and the first screen door is connected with the first handle through a screw.

So set up, hinge connection helps first sieve door rotate on first reel, and bolted connection helps first sieve door with the first in command firm in connection.

Preferably: the first screen frame is connected with the second-stage screen through screws, and the first screen frame is connected with the second supporting column through bolts.

According to the arrangement, the first screen frame is firmly connected with the second-stage screen mesh through the screw connection, and the first screen frame is firmly connected with the second supporting column through the bolt connection.

Preferably: the second support column is connected with the second spring through a bolt, and the second spring is connected with the second screen frame through a bolt.

According to the arrangement, the bolt connection contributes to firm connection of the second supporting column and the second spring and contributes to firm connection of the second spring and the second screen frame.

Preferably: the second screen frame is connected with the second screen door through a hinge, and the second screen door is connected with the second handle through a screw.

According to the arrangement, the hinge connection is beneficial to the second sieve door to rotate on the second sieve frame, and the screw connection is beneficial to the second sieve door to be firmly connected with the second handle.

Preferably: the second reel with one-level screen cloth passes through bolted connection, the second vibrating motor with the second reel passes through bolted connection.

According to the arrangement, the bolt connection helps the second screen frame to be firmly connected with the first-level screen, and the bolt connection helps the second vibration motor to be firmly connected with the second screen frame.

Preferably: the motor support is connected with the fastening bolt through threads, and the fastening bolt is connected with the first screen frame through threads.

So set up, threaded connection helps the motor support with fastening bolt firm in connection helps fastening bolt with first reel firm in connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the device can screen coal for three times by adopting a first screen and a second screen, has good screening effect and high coal quality;

2. first reel and second reel are provided with first sieve door and second sieve door, can conveniently handle the good coal of screening.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a three-dimensional structure diagram of a multi-stage screening device for a coal preparation plant according to the present invention;

FIG. 2 is a left side view of a multi-stage screening apparatus for a coal preparation plant according to the present invention;

fig. 3 is a connection diagram of a first vibration motor of a multi-stage screening apparatus for a coal preparation plant according to the present invention.

The reference numerals are explained below:

1. a base; 2. a first support column; 3. a first spring; 4. a first screen frame; 5. a first screen door; 6. a first vibration motor; 7. a secondary screen; 8. a second support column; 9. a second spring; 10. a second screen frame; 11. a second screen door; 12. a first-stage screen; 13. a second vibration motor; 14. a first handle; 15. a second handle; 16. a motor bracket; 17. and fastening the bolt.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-3, a multi-stage screening device for a coal preparation plant comprises a base 1, a first support column 2 and a first spring 3, wherein the first support column 2 is arranged on the base 1, the first support column 2 is used for supporting the screening device, the first support column 2 is provided with the first spring 3, the first spring 3 is used for supporting and increasing the vibration of a first screen frame 4, the first spring 3 is provided with the first screen frame 4, the first screen frame 4 is used for screening coal, the front of the first screen frame 4 is provided with a first screen door 5, the first screen door 5 is convenient for opening the first screen frame 4 to take out the screened coal, the front of the first screen door 5 is provided with a first handle 14, the first handle 14 is convenient for opening the first screen door 5, the lower of the first screen frame 4 is provided with a motor support 16, the motor support 16 is used for supporting a first vibrating motor 6, the lower of the motor support 16 is provided with a fastening bolt 17, the fastening bolt 17 is used for fixing the first vibrating motor 6, the first vibrating motor 6 is arranged below the fastening bolt 17, the first vibrating motor 6 is used for vibrating the first screen frame 4, the inner side of the first screen frame 4 is provided with the second-stage screen 7, the second-stage screen 7 is used for screening coal for the second time, the second support column 8 is arranged above the first screen frame 4, the second support column 8 is used for supporting screening equipment, the second spring 9 is arranged above the second support column 8, the second spring 9 is used for supporting and increasing the vibration of the second screen frame 10, the second screen frame 10 is arranged above the second spring 9, the second screen frame 10 is used for screening coal, the second screen door 11 is arranged in front of the second screen frame 10, the second screen door 11 is convenient to open the second screen frame 10 so as to take out the screened coal, the second handle 15 is arranged in front of the second screen door 11, the second vibrating motor 13 is arranged below the second screen frame 10, the second vibrating motor 13 is used for vibrating the second screen frame 10, a first-stage screen 12 is arranged on the inner side of the second screen frame 10, and the first-stage screen 12 is used for screening coal for the first time.

Example 2

This example differs from example 1 in that:

base 1 and first support column 2 pass through bolted connection, and first support column 2 passes through bolted connection with first spring 3, and first spring 3 passes through bolted connection with first reel 4, and bolted connection helps base 1 and first support column 2 firm in connection, helps first support column 2 and first spring 3 firm in connection, helps first spring 3 and first reel 4 firm in connection.

The working principle is as follows: open coal and divide sieve equipment, first vibrating motor 6 and second vibrating motor 13 drive first reel 4 and the vibration of second reel 10 respectively, send into second reel 10 with conveyer belt or other equipment to the coal of waiting to screen, filter through one-level screen cloth 12, large granule coal is stayed in second reel 10, all the other coals fall into first reel 4, filter through second grade screen cloth 7, well granule coal is stayed in first reel 4, all the other coals fall into and divide sieve equipment lower part, open first sieve door 5 and second sieve door 11 and conveniently take out the coal of screening.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A multi-stage screening apparatus for a coal preparation plant, characterized in that: comprises a base (1), a first supporting column (2) and a first spring (3), wherein the first supporting column (2) is arranged on the base (1), the first spring (3) is arranged on the first supporting column (2), a first screen frame (4) is arranged on the first spring (3), a first screen door (5) is arranged in front of the first screen frame (4), a first handle (14) is arranged in front of the first screen door (5), a motor support (16) is arranged below the first screen frame (4), a fastening bolt (17) is arranged below the motor support (16), a first vibrating motor (6) is arranged below the fastening bolt (17), a second-level screen mesh (7) is arranged on the inner side of the first screen frame (4), a second supporting column (8) is arranged on the first screen frame (4), and a second spring (9) is arranged on the second supporting column (8), be provided with second reel (10) above second spring (9), second reel (10) is preceding to be provided with second sieve door (11), second sieve door (11) are preceding to be provided with second handle (15), be provided with second vibrating motor (13) below second reel (10), second reel (10) inboard is provided with one-level screen cloth (12).

2. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the base (1) with first support column (2) pass through bolted connection, first support column (2) with first spring (3) pass through bolted connection, first spring (3) with first reel (4) pass through bolted connection.

3. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the first screen frame (4) is connected with the first screen door (5) through a hinge, and the first screen door (5) is connected with the first handle (14) through a screw.

4. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the first screen frame (4) is connected with the second-stage screen (7) through screws, and the first screen frame (4) is connected with the second supporting column (8) through bolts.

5. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the second supporting column (8) is connected with the second spring (9) through a bolt, and the second spring (9) is connected with the second screen frame (10) through a bolt.

6. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the second screen frame (10) is connected with the second screen door (11) through a hinge, and the second screen door (11) is connected with the second handle (15) through a screw.

7. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the second screen frame (10) is connected with the first-stage screen (12) through screws, and the second vibrating motor (13) is connected with the second screen frame (10) through bolts.

8. A multi-sizing apparatus for a coal preparation plant as claimed in claim 1, wherein: the motor support (16) is in threaded connection with the fastening bolt (17), and the fastening bolt (17) is in threaded connection with the first screen frame (4).