CN209758218U

CN209758218U - Screening anti-crushing dust suppression device

Info

Publication number: CN209758218U
Application number: CN201920256728.9U
Authority: CN
Inventors: 赵兴成; 吴王平; 赵越
Original assignee: Jilin Province Giant Industry Clean Engineering Technology Co Ltd
Current assignee: Jilin Province Giant Industry Clean Engineering Technology Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-10
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a screening breakage-proof dust suppression device, its transport of being applied to bulk material contains inlet pipe, defeated material spiral chute, export feed spoon, heater, vibrator, and its spiral chute is whole to be the design of curve flow line type to keep original momentum, the constant speed gos forward, and the material flow that reduces as far as possible is to angle and the strength that the blanking pipe wall was strikeed, does not produce the breakage, and its cross-section can be circular, also can be square. The square spiral chute is designed to be a U-shaped cross section, so that the material flow is in a gathering state, regular and controllable, the material impact and the crushing in transitional extrusion are avoided, dynamic simulation is performed by adopting EDEM software through all the chutes, the feasibility and the correctness in the design stage are ensured, the constant speed descending of the material is ensured through the spiral chute, the crushing is not generated, the phenomena of impact, extrusion and the like of the material in the chute are avoided, the dust raising is reduced, the materials with the same size can be ensured, and the additional value can be ensured to be increased and not reduced.

Description

screening anti-crushing dust suppression device

Technical Field

The utility model relates to a dust suppression device, concretely relates to screening prevents breakage dust suppression device belongs to spiral chute material transport with preventing broken technical field.

Background

In the mining and electric power industries of China, in the process of conveying bulk and block materials, the falling process from top to bottom is inevitable, and the phenomenon that the materials fall due to high-speed movement caused by overhigh kinetic energy and potential energy of the materials, so that the materials are greatly crushed in the descending process is avoided. However, with the classified use of materials, the materials are more and more refined, and the classified materials are required not to be crushed, otherwise, the materials need to be classified again, so that the cost is increased, the materials are sold at low price, and in addition, the high requirement of industrial environmental protection also needs the environmental protection improvement of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening is prevented breakage and is pressed down dirt device makes the material in the whereabouts, gathers the kinetic energy of equivalence, guarantees that the material slides downwards at the uniform velocity in order in the chute, does not produce the breakage.

In order to solve the technical problem, the utility model provides a following technical scheme:

The utility model relates to a screening is prevented breakage and is pressed down dirt device, including defeated material chute, the bottom fixedly connected with inlet pipe of defeated material chute, the defeated material spiral chute of one end fixedly connected with of defeated material chute is kept away from to the inlet pipe, the one end that defeated material spiral chute kept away from the inlet pipe is connected with spiral chute one, spiral chute one end is kept away from defeated material spiral chute one end and is connected with spiral chute two, the one end that spiral chute one was kept away from to spiral chute two is connected with spiral chute three, spiral chute three keeps away from the one end fixedly connected with export feed spoon of spiral chute two.

As an optimized proposal of the utility model, the material conveying chute can be square or round, and the feeding pipe can be a square and round chute or a shunt three-way pipe directly.

As an optimal scheme of the utility model, connect gradually between inlet pipe, defeated material spiral chute, spiral chute one, spiral chute two and the spiral chute three and all adopt tip flange fixed connection.

As an optimized proposal of the utility model, the outlet of the outlet feeding spoon is in seamless butt joint with other devices.

As an optimized scheme of the utility model, spiral chute structure is all adopted to spiral chute one, two and three inside spiral chutes of spiral chute, its equipment transport central trajectory such as spiral chute one, two and three, the export feed spoon of spiral chute is corresponding butt joint between smooth approximate helix and the chute, spiral chute one, two and three, the export feed spoon of spiral chute material is constant speed gliding movement and orderly slip and the whole curve flow type structure that is of spiral chute when carrying the material.

The utility model discloses the beneficial effect who reaches is: the spiral chute is of a curve streamline structure as a whole, the angle and the force of impact of material flow on the blanking pipe wall are reduced as much as possible, the original momentum is kept, the blanking pipe wall advances at a constant speed and is not broken, the material conveying chute can be designed in a square shape (the square spiral chute is designed in a U-shaped section) or a circular shape, the liquidity of the material conveying chute is guaranteed, the material flow is in a gathering state, regularity and controllability, the material impact and the breakage in transitional extrusion are avoided, dynamic simulation is carried out by all the chutes through EDEM software, the feasibility and the correctness in the design stage are guaranteed, the spiral chute can be manufactured by combining simulation conditions, the material with the guaranteed service life is used, corresponding lining plates can be installed in areas with serious abrasion, the material is guaranteed to descend at a constant speed through the spiral chute, the breakage is avoided, the phenomena of impact, extrusion and the like of the material in the chute are, the materials with the same size can ensure that the added value is only increased but not reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

in the drawings:

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

Fig. 2 is a schematic side plan view of the present invention;

Fig. 3 is a schematic perspective view of the spiral chute of the present invention.

In the figure: 1. a material conveying chute; 2. a feed pipe; 3. a material conveying spiral chute; 4. a first spiral chute; 5. a spiral chute II; 6. A spiral chute III; 7. and an outlet feeding spoon.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

example 1

As shown in fig. 1-3, a screening, breakage-proof and dust-suppression device comprises a material conveying chute 1, wherein a feed pipe 2 is fixedly connected to the bottom end of the material conveying chute 1, a material conveying spiral chute 3 is fixedly connected to one end, far away from the material conveying chute 1, of the feed pipe 2, a first spiral chute 4 is connected to one end, far away from the material conveying spiral chute 3, of the first spiral chute 4, a second spiral chute 5 is connected to one end, far away from the first spiral chute 4, of the first spiral chute 5, a third spiral chute 6 is connected to one end, far away from the second spiral chute 5, of the third spiral chute 6, and an outlet feeding spoon 7 is fixedly connected to one end.

The material conveying chute 1 can be square or round, the material feeding pipe 2 can be a square and ground round chute or a direct three-way flow pipe, the material feeding pipe 2, the material conveying spiral chute 3, the spiral chute I4, the spiral chute II 5 and the spiral chute III 6 are sequentially connected and fixedly connected by end flanges, the outlet of the outlet feeding spoon 7 is in seamless butt joint with other equipment, the spiral chute I4, the spiral chute II 5 and the spiral chute III 6 are all internally in a spiral chute structure, the conveying central trajectory of the equipment such as the spiral chute I4, the spiral chute II 5, the spiral chute III 6 and the outlet feeding spoon 7 is a smooth approximate spiral line, and the chutes are correspondingly in butt joint, the spiral chute I4, the spiral chute II 5, the spiral chute III 6 and the outlet feeding spoon 7 slide at a constant speed and orderly when conveying materials, and the whole spiral chute is of a curve streamline structure.

Specifically, the feeding chute 1 comprises a feeding pipe 2, the feeding pipe 2 can be a square and round chute or a direct shunt tee joint, and the like, as long as the feeding device has a function of downward feeding the material, the square and round chute or the shunt tee joint and the like are fixedly connected with a spiral chute I4 at the lower end close to the feeding spiral chute 3, the spiral chute I4 and the spiral chute II are connected through end flanges, the spiral chute I4 and the spiral chute II are fixedly connected through end flanges, the spiral chute III 5 and the spiral chute II are fixedly connected through end flanges, other spiral chutes and the like can be connected in sequence (when a plurality of sections of chutes are provided according to requirements), flanges are adopted for connection, an outlet feeding spoon 7 is fixedly connected at the lower end of the last section of spiral chute, the novel spiral chute is of curve design, and by acquiring various relevant data information, the method has the advantages that EDEM dynamic simulation software is used, numerical values such as the shape, the turning radius and the diameter of the spatial spiral chute are changed, the running track and the falling speed of the material are indirectly changed, the kinetic energy and the direction of the coal flow in the sliding process are changed, the material flow bundle keeps equivalent kinetic energy during movement, the phenomena of collision, extrusion, projection, dust raising and the like of the material are avoided, the crushing is reduced, and the phenomenon that large materials are produced in the incoming materials is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. the utility model provides a screening is prevented breakage dust suppression device, a serial communication port, including defeated material chute (1), the bottom fixedly connected with inlet pipe (2) of defeated material chute (1), defeated material spiral chute (3) of one end fixedly connected with of defeated material chute (1) are kept away from in inlet pipe (2), the one end that inlet pipe (2) were kept away from in defeated material spiral chute (3) is connected with spiral chute (4), spiral chute (4) are kept away from defeated material spiral chute (3) one end and are connected with spiral chute two (5), the one end that spiral chute (4) were kept away from in spiral chute two (5) is connected with spiral chute three (6), spiral chute three (6) are kept away from the one end fixedly connected with export feed spoon (7) of spiral chute two (5).

2. A screening, anti-crushing and dust-suppression device according to claim 1, wherein said conveying chute (1) can be square or round, and the feeding pipe (2) can be in the form of a square and round chute or a tee pipe.

3. A screening, anti-crushing and dust suppression device as claimed in claim 1, wherein the feeding pipe (2), the feeding spiral chute (3), the spiral chute one (4), the spiral chute two (5) and the spiral chute three (6) are connected in sequence and are fixedly connected by end flanges.

4. A screening, breakage-proof and dust-suppression device according to claim 1, wherein the outlet of the outlet feeding spoon (7) is seamlessly docked with other equipment.

5. A screening, anti-crushing and dust suppression device according to claim 1, wherein spiral chute structures are adopted inside the first spiral chute (4), the second spiral chute (5) and the third spiral chute (6), the conveying central trajectory lines of the first spiral chute (4), the second spiral chute (5), the third spiral chute (6), the outlet feeding spoon (7) and other equipment are smooth approximate spiral lines, the chutes are correspondingly butted, and the first spiral chute (4), the second spiral chute (5), the third spiral chute (6) and the outlet feeding spoon (7) perform constant-speed sliding movement and orderly sliding when conveying materials, and the spiral chutes are of a curved flow line type structure as a whole.