CN215088642U - Solid waste pretreatment device - Google Patents

Abstract

The utility model relates to a solid waste preprocessing device, its technical scheme is: the utility model provides a solid waste preprocessing device, includes the conveyer pipe that the level was arranged, is provided with the main shaft in the conveyer pipe, and the lateral surface of main shaft is connected with the first blade that is the heliciform and distributes along main shaft length direction, and first blade is connected with the second blade, the length direction of the parallel main shaft of length direction of second blade, and the conveyer pipe includes first semicircle portion and lower semicircle portion, is provided with the sieve mesh in the lower semicircle portion of conveyer pipe, and the first semicircle portion of conveyer pipe is connected with the dust and handles the subassembly. Carry the cinder through first blade and make it even, the cinder carries out the size screening through the sieve mesh of lower semicircle portion, and the second blade can overturn the cinder in carrying, makes the screening more thorough, makes the dust processing assembly who raises handle through the dust that upper semicircle portion set up simultaneously.

Description

Solid waste pretreatment device

Technical Field

The utility model relates to a solid useless processing technology field, concretely relates to solid waste preprocessing device.

Background

The coal slag is common solid waste in power supply and thermal production, and the coal slag is discarded and accumulated, so that the coal slag not only occupies land, but also emits sulfur-containing gas to pollute the atmosphere, is harmful to the environment, and even can spontaneously combust to cause fire. Although solid waste, the composition thereof is mainly silica, alumina and the like, and the solid waste has a very high recycling value because the solid waste can be used for manufacturing masonry mortar and wall materials, cement mixed materials, concrete materials and the like.

The production of the coal slag mainly occurs in thermal power plants, industrial and civil boilers and other coal-fired equipment, the particles are different in size, the coal slag is difficult to directly utilize after being mixed together, in addition, the coal slag can generate a large amount of dust in production and discharge, and the dust is easy to fly around in subsequent processes without being separated, so that the environment is polluted, and the health of workers is influenced.

Disclosure of Invention

To the problem that the dust that above-mentioned cinder exists is many, the granule is not of uniform size before recycle, unable unified use, the utility model provides a solid waste preprocessing device with screening and dust removal function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solid waste preprocessing device, includes the conveyer pipe that the level was arranged, is provided with the main shaft in the conveyer pipe, and the lateral surface of main shaft is connected with the first blade that is the heliciform and distributes along main shaft length direction, and first blade is connected with the second blade, the length direction of the parallel main shaft of length direction of second blade, and the conveyer pipe includes first semicircle portion and lower semicircle portion, is provided with the sieve mesh in the lower semicircle portion of conveyer pipe, and the first semicircle portion of conveyer pipe is connected with the dust and handles the subassembly. Carry the cinder through first blade and make it even, the cinder carries out the size screening through the sieve mesh of lower semicircle portion, and the second blade can overturn the cinder in carrying, makes the screening more thorough, makes the dust processing assembly who raises handle through the dust that upper semicircle portion set up simultaneously.

Preferably, the second blade is circular in cross-section and is located at the outer edge of the first blade. The cinder volume that the second blade setting can increase the upset in the outward flange department of first blade can also be stirred out the card great cinder in the sieve mesh, and the second blade sets up to the structure that the cross section is convex, is convenient for cooperate with the outward flange of first blade.

Preferably, the main shaft comprises a circular connecting plate, three auxiliary shafts are connected to one side of the connecting plate, the connecting plate and the three auxiliary shafts are arranged perpendicularly, the three auxiliary shafts are parallel to each other and are distributed circularly and uniformly around the axis of the connecting plate, the connecting plate and the conveying pipe are coaxially arranged and are connected in a rotatable mode, the three auxiliary shafts are located in the conveying pipe, and the outer sides of the three auxiliary shafts are connected with the first blades. Three minor-diameter auxiliary shafts are used for replacing one major-diameter shaft, so that the internal space can be increased, the minor-diameter auxiliary shafts collide with the coal cinder during overturning, the coal cinder is prevented from being accumulated and agglomerated, and the screening is easy; the internal circulation space can be enlarged, and the dust can be more easily treated.

Preferably, the other side of the connecting plate is connected with a driving assembly. And power is provided, the main shaft is driven to rotate, so that the first blade conveys the coal cinder, and the second blade overturns the coal cinder.

Preferably, the conveyer pipe below sets up multistage screening subassembly, and multistage screening subassembly includes the hopper, and the hopper top is provided with the screen cloth of different sieve mesh sizes, and the aperture size of sieve mesh reduces along with the high reduction of screen cloth. And the screened coal slag is subjected to multi-stage screening, so that the coal slag is more specific to be screened according to the size, and the subsequent processing treatment is convenient.

Preferably, the dust processing assembly comprises an exhaust pipe, a fan is arranged in the exhaust pipe, the air inlet end of the exhaust pipe is connected with the tail end of the upper semicircular part of the conveying pipe along the conveying direction, and the air outlet end of the exhaust pipe is connected with the processing water tank. The generated dust is sucked into a treatment water tank connected with the exhaust pipe through a fan.

Preferably, a feed port is arranged at the beginning end of the upper semicircular part of the conveying pipe along the conveying direction, and a discharge port is arranged at the tail end of the lower semicircular part of the conveying pipe along the conveying direction. The feed inlet is wide on the top and narrow on the bottom funnel structure, prevents to scatter when the cinder feeding, and the discharge gate is used for getting rid of the great cinder of the volume that screens.

The utility model has the advantages that,

1. the utility model conveys the coal cinder in the conveying pipe through the spiral first blade, so that the coal cinder in conveying is subjected to size screening through the sieve pores at the lower semicircular part of the conveying pipe;

2. the second blade that first blade is connected overturns the cinder, makes the cinder dispersion and more even, and the screening is easier.

3. The dust processing assembly of the upper semicircular part is used for processing raised dust which is always positioned in the conveying pipe, so that the environment is not polluted by diffusion.

4. The main shaft consists of three minor-diameter auxiliary shafts, increases the space in the conveying pipe, and collides with turned coal slag to prevent the coal slag from accumulating and caking; the circulation space of dust has been increased, and the dust of being convenient for passes through fan discharge conveyer pipe to the processing of dust is located the conveyer pipe all the time, can not spread the polluted environment.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a spindle according to an embodiment of the present invention.

In the figure: 1. servo motor, 2, reducing gear box, 3, first mounting panel, 4, first blade, 5, second blade, 6, countershaft, 8, second mounting panel, 9, conveyer pipe, 10, feed inlet, 11, blast pipe, 12, discharge gate, 13, hopper, 14, first screen cloth, 15, second screen cloth, 16, connecting plate.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1-2, a solid waste pretreatment device comprises a conveying pipe 9 horizontally arranged, the conveying direction of coal slag is along the length direction of the conveying pipe 9, the conveying pipe 9 is of an integrally formed structure, the starting end of the conveying pipe 9 along the conveying direction is connected with a first mounting plate 3, a through hole is arranged in the center of the first mounting plate 3, a circular connecting plate 16 is arranged in the through hole, the connecting plate 16 is rotatably connected with the first mounting plate 3, and the connecting plate 16 and the conveying pipe 9 are coaxially arranged; one side of the connecting plate 16, which is opposite to the conveying pipe 9, is connected with the reduction gearbox 2, the connecting plate 16 is coaxially connected with a conveying shaft of the reduction gearbox 2, and an input shaft of the reduction gearbox 2 is connected with the servo motor 1; the connecting plate 16 is vertically connected with three auxiliary shafts 6 on the same side of the conveying pipe 9, and the three auxiliary shafts 6 are mutually parallel and are circularly and uniformly distributed around the axis of the connecting plate 16; the outer sides of the three auxiliary shafts 6 are connected with spiral first blades 4, the first blades 4 are arranged along the length direction of the auxiliary shafts 6, the first blades 4 are connected with second blades 5 used for turning coal cinder, the cross sections of the second blades 5 are circular arc-shaped, the second blades 5 are located on the outer edges of the first blades 4, the circular arc-shaped side faces of the second blades 5 are matched with the outer edges of the spiral curved surfaces of the first blades 4, and the length direction of the second blades 5 is parallel to the length direction of the main shaft. The end of the delivery pipe 9 in the delivery direction is connected to a second mounting plate 8 for plugging the delivery pipe 9. Conveyer pipe 9 includes semicircle portion and semicircle portion down, and the semicircle portion of conveyer pipe 9 is provided with feed inlet 10 along direction of delivery's initiating terminal, and feed inlet 10 is wide little narrow infundibulate structure in the top, scatters when preventing the cinder feeding, and the semicircle portion of conveyer pipe 9 still connects the inlet end of blast pipe 11, sets up the fan in the blast pipe 11, and the processing pond is connected to the end of giving vent to anger of blast pipe 11. The lower semicircle part of conveyer pipe 9 is provided with the sieve mesh for separate the cinder of equidimension not, and the end along direction of delivery of the lower semicircle part of conveyer pipe 9 sets up discharge gate 12, is used for discharging the cinder that screens. Hopper 13 has been placed to conveyer pipe 9 below, connect first screen cloth 14 and the second screen cloth 15 of horizontally in the hopper 13, the aperture size of sieve mesh reduces along with the high reduction of screen cloth, first screen cloth 14 is located the below of second screen cloth 15, the sieve pore size of first screen cloth 14 is less than the sieve pore size of second screen cloth 15, carry out multistage screening through first screen cloth 14 and second screen cloth 15 to the cinder of conveyer pipe 9 screening, make more specifically according to the size screening of cinder, be convenient for subsequent processing.

The working process of the utility model is that, the cinder to be pretreated is added into the starting end of the conveying pipe 9 along the conveying direction from the feeding port 10, the servo motor 1 is started, after the servo motor 1 is decelerated by the reduction gearbox 2, the three auxiliary shafts 6 are driven to rotate around the axis of the connecting plate 16, the auxiliary shafts 6 drive the first blades 4 to rotate and convey the cinder, the cinder is screened by the sieve pores arranged at the lower semicircle part of the conveying pipe 9 in the conveying process, and the cinder which is smaller than the sieve pore diameter of the lower semicircle part falls into the grading screening component; after the dropped coal slag is screened by the second screen 15 and the first screen 14, the coal slag with the volume smaller than the size of the screen hole of the first screen 14 falls into the hopper 13; second blade 5 that first blade 4 is connected makes the cinder dispersion at the conveying in-process upset cinder, prevents the caking, improves the screening effect, can stir out at the cinder of sieve mesh with being greater than semicircle portion sieve mesh aperture simultaneously. The fan discharges the dust that upset cinder produced into and handles the pond, and the interval between three countershafts 6 has increased the space that the dust flows, makes the dust discharge more easily, and the dust is located conveyer pipe 9 inside all the time, can not spread in the external environment. The coal slag after the screening and dedusting pretreatment is discharged from a discharge hole 12 at the lower semicircular part of the conveying pipe 9.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and substance of the present invention, any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a solid waste preprocessing device, its characterized in that, conveyer pipe (9) including the level is arranged, be provided with the main shaft in conveyer pipe (9), the lateral surface of main shaft is connected with the edge main shaft length direction is first blade (4) that the heliciform distributes, first blade (4) are connected with second blade (5), the length direction of second blade (5) is parallel the length direction of main shaft, conveyer pipe (9) include semicircle portion and lower semicircle portion, the lower semicircle portion of conveyer pipe (9) is provided with the sieve mesh, the semicircle portion of conveyer pipe (9) is connected with the dust processing subassembly.

2. The solid waste pretreatment device according to claim 1, wherein the second blade (5) has a circular arc-shaped cross section, and the second blade (5) is located at an outer edge of the first blade (4).

3. The solid waste pretreatment device according to claim 1 or 2, wherein the main shaft comprises a circular connecting plate (16), three auxiliary shafts (6) are connected to one side of the connecting plate (16), the connecting plate (16) is arranged perpendicular to the three auxiliary shafts (6), the three auxiliary shafts (6) are parallel to each other and are uniformly distributed in a circular shape around the axis of the connecting plate (16), the connecting plate (16) is coaxially arranged and rotatably connected with the conveying pipe (9), the three auxiliary shafts (6) are positioned in the conveying pipe (9), and the first blades (4) are connected to the outer sides of the three auxiliary shafts (6).

4. A solid waste pre-treatment device according to claim 3, characterised in that the other side of the connection plate (16) is connected to a driving assembly.

5. The solid waste pretreatment device according to claim 1 or 2, wherein a multistage screening module is provided below the conveying pipe (9), the multistage screening module comprises a hopper (13), screens with different screen hole sizes are provided above the hopper (13), and the screen hole sizes decrease with the decrease of the screen height.

6. The solid waste pretreatment device according to claim 1 or 2, wherein the dust treatment assembly comprises an exhaust pipe (11), a fan is disposed in the exhaust pipe (11), an air inlet end of the exhaust pipe (11) is connected to the upper semicircular portion of the conveying pipe (9), and an air outlet end of the exhaust pipe (11) is connected to a treatment water tank.

7. The solid waste pretreatment device according to claim 1 or 2, wherein a starting end of the upper semicircular portion of the transport pipe (9) in the transport direction is provided with a feed port (10), and a tail end of the lower semicircular portion of the transport pipe (9) in the transport direction is provided with a discharge port (12).

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