Discharging chute device

Abstract

The utility model discloses a blanking chute device which comprises a chute body, and an inlet and an outlet of the chute body are respectively communicated with an elevator and a V-shaped powder concentrator. A rotatable main rotating shaft and scattering rollers are arranged at an inlet of the chute body, the main rotating shaft is located between the scattering rollers, and the main rotating shaft and the scattering rollers are driven by an external motor. The utility model relates to the technical field of cement production, in particular to a blanking chute device which is characterized in that an existing main rotating shaft is improved, a hollow structure is adopted, air injection holes are formed in the surface of the main rotating shaft, high-pressure and high-temperature gas is filled into the main rotating shaft, the gas is injected out of the air injection holes to dry materials, meanwhile, the high-pressure gas can disperse lump materials in a dispersing mode, and the material drying efficiency is improved. The materials can be more fully scattered by the scattering roller; furthermore, by arranging a flow dividing guide plate, the materials can be divided into a plurality of strands to be conveyed in the chute, so that the scattered materials are kept in a dispersed state to achieve the conveying purpose, and the material dispersing effect of an existing discharging chute structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production technical field, concretely is a kind of discharging chute device. BACKGROUND

[0002] In cement industry, combined classification grinding is often used, wherein roller press device is configured, and after material passes through roller press extrusion, about 50%-70% material cake is formed, and V-type powder concentrator is also configured, but in the current design, after material is discharged from circulating elevator, it is only through chute to V-type powder concentration, and material cake ratio is high, and material enters V-type powder concentrator, only relies on free falling impact to scatter, and the effect is not ideal, and ordinary chute can only play the role of discharging, and the dispersion effect of material is poor, and material cannot be uniformly dispersed into V-type powder concentrator, and even if scattering machine is configured, it is not conducive to energy saving and consumption reduction due to limited space and increased energy consumption. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of discharging chute device, solve the problem that the effect of dispersing material of existing cement discharging chute structure is poor.

[0005] (II) technical scheme

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of discharging chute device, including chute body, the inlet and outlet of the chute body are communicated with elevator and V-type powder concentrator respectively.

[0007] Rotatable main shaft and scattering roller are respectively arranged at the inlet of the chute body, and the main shaft is located between the scattering rollers, and the main shaft and the scattering roller are driven by the external motor.

[0008] Gas injection holes are formed on the surface of the main shaft, and the side of the main shaft away from the motor extends to the outside of the chute body and is communicated with the external rotary joint, and the rotary joint is provided with an air inlet pipe.

[0009] A plurality of shunt guide plates are arranged at the middle part of the chute body.

[0010] An upwardly inclined material lifting plate is arranged at the bottom outlet of the chute body.

[0011] As a further preferred, the width of the middle part of the chute body is greater than the width of the two side parts, and the shunt guide plate is located in the middle region of the chute body.

[0012] As a further preferred, the scattering roller is of a hollow structure.

[0013] As a further preferred, the upward inclination angle of the material lifting plate is 30-45 degrees.

[0014] As further preferred, the inner wall of the chute body is provided with multiple groups of flow guide plates, which are located above the flow distribution guide plates.

[0015] As further preferred, multiple observation windows are provided on the chute body, which are respectively opposite to the upper sides of the scattering roller, the flow distribution guide plate and the material lifting plate.

[0016] (III) Beneficial effects

[0017] The utility model provides a kind of chute device. It has the following beneficial effects:

[0018] The chute device, by improving existing main shaft, adopt hollow structure, and set up gas injection hole on surface, by filling high pressure high temperature gas into main shaft, gas is ejected from gas injection hole can dry material, while high pressure gas can also disperse material into lumps, so that it can be more fully scattered by scattering roller;Further, by setting flow distribution guide plate, material can be divided into multiple strands in chute and transported, so as to ensure that the dispersed material maintains dispersed state to achieve the purpose of transportation, thereby improving the material dispersion effect of existing chute structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the structure schematic diagram of the utility model;

[0020] Fig. 2 It is the structure sectional view of the chute body of the utility model;

[0021] Fig. 3 It is the local structure schematic diagram of the utility model.

[0022] In the drawing: 1, chute body;2, elevator;3, V-type powder concentrator;4, main shaft;41, gas injection hole;5, scattering roller;6, motor;7, flow distribution guide plate;8, material lifting plate;9, flow guide plate;10, rotary joint;11, gas inlet pipe;12, observation window. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] As Figs. 1-3 shown, the utility model provides a kind of technical scheme: a kind of chute device, including chute body 1, the import and export of this chute body 1 are communicated with elevator 2 and V-type powder concentrator 3 respectively.

[0025] The entrance of the chute body 1 is respectively provided with a rotatable main rotating shaft 4 and a scattering roller 5, the scattering roller 5 is a hollow structure (the advantage of this design is that when the material is blocked, the material can still flow down through the scattering roller 5, relieving the pressure of discharging, and avoiding more serious blocking), and the main rotating shaft 4 is located between the scattering rollers 5, and the main rotating shaft 4 and the scattering roller 5 are driven by an external motor 6.

[0026] The surface of the main rotating shaft 4 is provided with a gas injection hole 41 (the material cannot pass through the gas injection hole 41), the side of the main rotating shaft 4 away from the motor 6 extends to the outside of the chute body 1 and is in communication with an external rotary joint 10, the rotary joint 10 is provided with an air inlet pipe 11, and it should be noted that the gas can be introduced from the kiln tail, and the kiln tail gas temperature is as high as 1000 degrees or more, which can meet the high temperature demand, and the high temperature tail gas can be connected to the air inlet pipe 11 after being pressurized, realizing the purpose of fully utilizing heat energy.

[0027] A plurality of flow distribution plates 7 (inverted V-shaped) are arranged in the middle of the chute body 1, the middle width of the chute body 1 is greater than the width of the two side parts, and the flow distribution plates 7 are located in the middle region of the chute body 1.

[0028] A plurality of flow guide plates 9 are arranged on the inner wall of the chute body 1, the flow guide plates 9 are located above the flow distribution plates 7, and the material can be introduced into the flow distribution plates 7 through the flow guide plates 9, so that it flows out from between the flow distribution plates 7.

[0029] An upwardly inclined material lifting plate 8 is arranged at the bottom outlet of the chute body 1, the upwardly inclined angle of the material lifting plate 8 is 30-45 degrees, and the material is lifted high and then falls into the V-type powder concentrator 3 through the material lifting plate 8. The purpose of arranging the material lifting plate 8 is to improve the entering height and dispersion degree of the material.

[0030] A plurality of observation windows 12 are arranged on the chute body 1, and the plurality of observation windows 12 are respectively above the scattering rollers 5, the flow distribution plates 7 and the material lifting plate 8. The observation windows 12 are arranged to facilitate the control of the basic situation of the material in the chute body 1 and facilitate the replacement of the internal elements.

[0031] Meanwhile, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0032] In use, the material is lifted into the chute body 1 through the elevator 2, the motor 6 is turned on, and the main rotating shaft 4 and the scattering roller 5 are driven to rotate, and the material can be scattered by the rotating scattering roller 5.

[0033] At the same time, high temperature and high pressure gas is filled into the air inlet pipe 11, the gas enters into the main rotating shaft 4 through the rotating joint 10, and is sprayed at high speed through the gas injection hole 41, the high temperature and high pressure gas can dry the material (can prevent the material from sticking due to high humidity) on the one hand, and can fully disperse the material, so that the material better contacts the dispersing roller 5, thereby improving the material dispersion effect.

[0034] After that, the material flows into the V-type powder concentrator 3 from the material lifting plate 8 after being guided by the multiple component flow guide plate 7, and the flow guide plate 7 adopts a stepped layout, that is, the material first flows down from the flow guide plate 7 in two streams, and then is divided into four streams, and the like.

[0035] In summary, the present application improves the existing main rotating shaft, adopts a hollow structure, and sets the gas injection hole on the surface, fills the high pressure and high temperature gas into the main rotating shaft, and the gas sprayed from the gas injection hole can dry the material, and the high pressure gas can also disperse the material in a lump, so that the material can be more fully dispersed by the dispersing roller; further, the material is divided into multiple streams in the chute for conveying by setting the flow guide plate, so that the dispersed material maintains a dispersed state to achieve the conveying purpose, thereby improving the material dispersion effect of the existing material chute structure.

[0036] It should be noted that the electrical components appearing in the present text are all connected with the main controller and 220V or 380V mains electricity, and the main controller can be a conventional known device such as a computer, and its control principle, internal structure and control switch mode are all conventional means of the prior art, which are directly quoted here without further description, in the present text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A blank chute apparatus, characterized by: The chute body (1) is communicated with the elevator (2) and the V-type powder concentrator (3) respectively at the inlet and outlet thereof; The rotatable main rotating shaft (4) and the scattering roller (5) are arranged at the inlet of the chute body (1) respectively, and the main rotating shaft (4) is located between the scattering rollers (5), and the main rotating shaft (4) and the scattering roller (5) are driven by the external motor (6); The surface of the main rotating shaft (4) is provided with the air injection hole (41), the side of the main rotating shaft (4) away from the motor (6) extends to the outside of the chute body (1) and is communicated with the external rotary joint (10), and the air inlet pipe (11) is arranged on the rotary joint (10); The chute body (1) is provided with the multiple groups of shunt guide plates (7) at the middle part thereof; The chute body (1) is provided with the upwardly inclined material lifting plate (8) at the bottom outlet thereof.

2. The down spout device of claim 1, wherein: The width of the middle part of the chute body (1) is greater than the width of the two side parts, and the shunt guide plate (7) is located in the middle region of the chute body (1).

3. The down spout device of claim 1, wherein: The scattering roller (5) is of the hollow structure.

4. The down spout device of claim 1, wherein: The upwardly inclined angle of the material lifting plate (8) is 30-45 degrees.

5. The down spout device of claim 1, wherein: The inner wall of the chute body (1) is provided with the multiple groups of drainage plates (9), and the drainage plates (9) are located above the shunt guide plates (7).

6. The down spout device of claim 1, wherein: The chute body (1) is provided with the multiple observation windows (12), and the multiple observation windows (12) are respectively located above the scattering roller (5), the shunt guide plate (7) and the material lifting plate (8).

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