CN214234919U

CN214234919U - Multistage filter screening system of boiler cold sediment machine

Info

Publication number: CN214234919U
Application number: CN202121846421.8U
Authority: CN
Inventors: 李国良; 程蕾; 刘振宇; 栾凯; 李国峰
Original assignee: Weifang Shide Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Weifang Shide Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-09-21
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a multistage filter sieve branch system of boiler cold sediment machine relates to boiler cold sediment machine technical field, cylinder including cold sediment machine, the intermediate position meshing of cylinder is provided with the driving gear, the driving gear is driven by motor output shaft, the feed end of cylinder is provided with the feeder hopper, the discharge end of cylinder is provided with and is provided with ejection of compact protective housing and heat exchange tube, the fixed screening subassembly that is provided with the tube-shape in inside of cylinder. This multistage filter screening system of cold sediment machine of boiler divides subassembly that sieves systematically, goes out the slag ash screening, avoids subsequent screening, has improved holistic efficiency, and the setting of spiral baffle and heliciform mounting bracket improves the heat transfer effect simultaneously, also conveniently arranges the material.

Description

Multistage filter screening system of boiler cold sediment machine

Technical Field

The utility model relates to a technical field of cold sediment machine of boiler especially relates to a multistage filter sieve branch system of cold sediment machine of boiler.

Background

In industries related to boiler incineration, whether in mining, metallurgy, municipal waste processing, etc., large amounts of slag will inevitably be produced. Slag is a complex mixture containing a large proportion of coal ash and is contaminated with large quantities of scrap iron material, non-ferrous metals and heavy metals. The conventional slag treatment method is to transport the slag to a landfill area for landfill, or directly to be ground and filtered slightly to prepare cement baking-free bricks and other cement baking-free prefabricated members, such as ceramic tiles, and to utilize waste materials.

The general slag needs to be firstly crushed into small particles and then crushed into powder, and partial slag particles in the slag cooler are smaller, so that the slag cooler does not need to be crushed and can be directly cooled, and the common slag cooler only carries out heat exchange and cooling treatment, cannot be screened and has influence on the working efficiency.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problems, the multi-stage filter screening system of the boiler slag cooler is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the roller comprises a slag cooler, a driving gear is meshed at the middle position of the roller and driven by a motor output shaft, a feeding hopper is arranged at the feeding end of the roller, a discharging protective shell and a heat exchange tube are arranged at the discharging end of the roller, and a cylindrical screening assembly is fixedly arranged inside the roller.

Further, the screening subassembly includes an installation section of thick bamboo through mounting bracket and cylinder inner wall fixed connection, the inner wall of an installation section of thick bamboo is provided with spiral baffle, the installation section of thick bamboo has seted up the multiunit filter screen.

Further, the installation section of thick bamboo is articulated to be provided with a plurality of apron, the direction of rotation that the apron was opened is the same with installation section of thick bamboo direction of rotation, the filter screen sets up respectively in the position of apron.

Further, the mounting rack between the mounting cylinder and the roller is spiral, and the spiral direction of the mounting rack is the same as that of the spiral baffle on the inner wall of the mounting cylinder.

Further, ejection of compact protective housing passes through the baffle and falls into two sets of ejection of compact chambeies, the discharge end of installation section of thick bamboo link up with one of them a set of ejection of compact chamber, the intermediate layer between installation section of thick bamboo and the cylinder link up with another group's ejection of compact chamber, and is two sets of ejection of compact chamber has sealed effect respectively.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this multistage filter screening system of cold sediment machine of boiler divides subassembly that sieves systematically to can go out the slag screening when the heat transfer, raise the efficiency, through the setting of spiral baffle and heliciform mounting bracket, improve the heat transfer effect simultaneously, also make things convenient for row material.

Drawings

FIG. 1 is an external view of a multi-stage filtering and screening system of a boiler slag cooler provided by the utility model;

FIG. 2 is a schematic position diagram of a roller discharge hole of a multi-stage filtering screening system of a boiler slag cooler provided by the utility model;

FIG. 3 is a schematic view of the inside of a drum of a multi-stage filtering and screening system of a boiler slag cooler according to the present invention;

FIG. 4 is a screening assembly of a multistage filtering screening system of a boiler slag cooler provided by the utility model;

fig. 5 is the utility model provides an installation schematic diagram of apron, filter screen and an installation section of thick bamboo of multistage filter sieve branch system of cold sediment machine of boiler.

In the figure: 1. a drum; 2. a feed hopper; 3. a protective shell; 4. a heat exchange pipe; 5. a screen assembly; 501. mounting the cylinder; 502. a cover plate; 503. filtering with a screen; 6. an annular baffle; 7. a mounting frame; 8. a spiral baffle.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-5, a multistage filter screening system of boiler cold sediment machine, including the cylinder 1 of cold sediment machine, the intermediate position meshing of cylinder 1 is provided with the driving gear, and the driving gear is driven by motor output shaft, and the feed end of cylinder 1 is provided with feeder hopper 2, and the discharge end of cylinder 1 is provided with ejection of compact protective housing 3 and heat exchange tube 4, and the inside of cylinder 1 is fixed and is provided with the screening subassembly 5 of tube-shape, selects the cinder ash through screening subassembly 5, avoids subsequent screening, has improved holistic efficiency.

Further, screening subassembly 5 includes installation section of thick bamboo 501 through

mounting bracket

7 and 1 inner wall fixed connection of cylinder, and the inner wall of installation section of thick bamboo 501 is provided with spiral baffle 8, and installation section of thick bamboo 501 has seted up multiunit filter screen 503, through the setting of spiral baffle 8, both can transport the slag to the discharge end, increase the area of contact of slag and installation section of thick bamboo 501 simultaneously to improve heat exchange efficiency.

Further, installation section of thick bamboo 501 articulates and is provided with a plurality of apron 502, the direction of rotation that the apron 502 was opened is the same with installation section of thick bamboo 501 direction of rotation, filter screen 503 sets up respectively in the position of apron 502, thereby when apron 502 rotates to the upper end of installation section of thick bamboo 501, filter screen 503 is closed condition, avoid the slag ash that has filtered to get into cylinder 1 once more, and the work efficiency is improved, when apron 502 rotates to the lower extreme of installation section of thick bamboo 501, because gravity makes the apron 502 open, the slag ash drops to the intermediate layer between installation section of thick bamboo 501 and the cylinder 1 from the filter screen 503.

Further, mounting bracket 7 between installation section of thick bamboo 501 and the cylinder 1 is the heliciform, and the spiral of mounting bracket 7 is to revolving to the same with the spiral baffle 8 of installation section of thick bamboo 501 inner wall, thereby makes the slag ash after filtering remove to the discharge gate through heliciform mounting bracket 7, can be better simultaneously with temperature transfer to cylinder 1, make cylinder 1 better heat the inside heat transfer chamber.

Further, ejection of compact protective housing 3 passes through two sets of ejection of compact chambeies that the baffle falls into, and the discharge end of installation section of thick bamboo 501 link up with one of them a set of ejection of compact chamber, and the intermediate layer between installation section of thick bamboo 501 and the cylinder 1 link up with another group's ejection of compact chamber, and two sets of ejection of compact chambeies have sealed effect respectively, thereby through the better separately ejection of compact of ejection of compact chamber of two sets of avoiding raising of dust that sealed ejection of compact protective housing 3 can be better simultaneously.

The working principle is as follows: slag generated by boiler combustion is conveyed to the inside of the installation cylinder 501 through the feed hopper 2, then the motor is started, the motor output shaft drives the driving gear to rotate, the driving gear drives the roller 1 to rotate, the roller 1 drives the installation cylinder 501 inside to rotate through the spiral installation frame 7, when the cover plate 502 rotates to the upper end of the installation cylinder 501, the filter screen 503 is in a closed state, filtered slag ash is prevented from entering the roller 1 again, the working efficiency is improved, when the cover plate 502 rotates to the lower end of the installation cylinder 501, the cover plate 502 is opened under the action of gravity, the slag ash falls into an interlayer between the installation cylinder 501 and the roller 1 from the filter screen 503, the screened slag is pushed to a discharge port through the spiral installation frame 7 and is finally discharged from the discharge protective shell 3, the slag discharged from the installation cylinder 501 needs to be treated again, and the slag ash discharged from the interlayer, can be directly used as a cement raw material;

meanwhile, the spiral baffle 8 arranged inside the mounting cylinder 501 can transport the slag to the discharge end, and meanwhile, the contact area between the slag and the mounting cylinder 501 is increased, so that the heat exchange efficiency is improved.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A multi-stage filtering and screening system of a boiler slag cooler comprises a roller (1) of the slag cooler, wherein a driving gear is meshed at the middle position of the roller (1) and is driven by a motor output shaft, a feeding hopper (2) is arranged at the feeding end of the roller (1), and a discharging protective shell (3) and a heat exchange tube (4) are arranged at the discharging end of the roller (1), and is characterized in that a cylindrical screening assembly (5) is fixedly arranged inside the roller (1);

screening subassembly (5) include installation section of thick bamboo (501) through mounting bracket (7) and cylinder (1) inner wall fixed connection, the inner wall of installation section of thick bamboo (501) is provided with spiral baffle (8), multiunit filter screen (503) have been seted up in installation section of thick bamboo (501), be provided with between installation section of thick bamboo (501) and cylinder (1) annular baffle (6), annular baffle (6) set up in the discharge end.

2. The multistage filter screening system of the boiler slag cooler of claim 1, wherein the mounting cylinder (501) is hinged with a plurality of cover plates (502), the opening rotation direction of the cover plates (502) is the same as the rotation direction of the mounting cylinder (501), and the filter screen (503) is arranged on one side of the cover plates (502).

3. The multistage filter screening system of the boiler slag cooler of claim 1, characterized in that a mounting frame (7) between the mounting cylinder (501) and the drum (1) is spiral, and the spiral direction of the mounting frame (7) is the same as that of a spiral baffle (8) on the inner wall of the mounting cylinder (501).

4. The multistage filter screening system of the boiler slag cooler according to claim 1, wherein the discharge protection shell (3) is divided into two groups of discharge cavities by partition plates, the discharge end of the installation cylinder (501) is communicated with one group of discharge cavities, an interlayer between the installation cylinder (501) and the roller (1) is communicated with the other group of discharge cavities, and the two groups of discharge cavities have sealing effects respectively.