Material scattering device with umbrella rib type backflow plate

Abstract

The utility model relates to the field of building material cement production, and discloses a material scattering device with an umbrella rib type backflow plate, which comprises a material scattering plate, umbrella rib type diversion trenches which are uniformly distributed are arranged at the top of the material scattering plate, a material scattering box is fixedly connected to the rear side of the material scattering plate, the material scattering box is mounted on the rear side of the material scattering plate, and the material scattering plate is fixedly connected with the material scattering box. The pouring device comprises a material scattering box, a discharging pipe is installed on the front side of the material scattering box, pouring materials are arranged on the side, opposite to the material scattering box, of the discharging pipe, an observation opening is formed in one side of the material scattering box, a gland is arranged on one side of the material scattering box, and internal threads are arranged in the gland. According to the utility model, through the design of the external expansion type material scattering plate and the optimization of the umbrella rib type diversion trench, the material dispersing performance is enhanced, the scattering height and distribution area are improved, uniform diffusion and efficient heat exchange are realized, the material scattering box is designed at the rear part of the material scattering plate to prevent high-temperature erosion, and the circular observation hole sealed by the gland is arranged at the lower part; the material scattering effect is convenient to clean and check.

Description

TECHNICAL FIELD

[0001] The utility model relates to building material cement production field especially, it relates to a kind of scattering device of umbrella bone type backflow plate. BACKGROUND

[0002] Cement is a kind of cementitious material, mainly used in construction and civil engineering, is indispensable to modern building foundation material, it is formed slurry after mixing with water and other substances, hardening after chemical reaction, become hard artificial stone.Scattering device plays a key role in cement manufacturing process, can make material dispersion and uniform heat exchange in preheater, decomposing furnace and rotary kiln.

[0003] Existing scattering device only has a piece of heat-resistant steel plate, it is traditional flat shape, scattering plate is connected with C4 blanking pipe, C4 scattering plate vertical angle is too large and structure is unreasonable, material dispersion is poor, material flow still has larger kinetic energy after reaching smoke chamber neck position, causes part of undecomposed material short circuit directly into kiln, in order to guarantee clinker quality, must be forced to improve decomposing furnace and kiln burning temperature, lead to coal consumption increase, therefore, a kind of scattering device of umbrella bone type backflow plate is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a kind of scattering device of umbrella bone type backflow plate, to improve the problems of material dispersion and more coal consumption in prior art.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of scattering device of umbrella bone type backflow plate, including scattering plate, the top of the scattering plate is provided with evenly distributed umbrella bone type flow guide groove, the rear side of the scattering plate is fixedly connected with scattering box, the rear side of the scattering plate is installed with scattering box, the front side of the scattering box is installed with blanking pipe, blanking pipe is provided with castable on the opposite side of the scattering box;

[0007] As further description of the above technical scheme:

[0008] The side of the scattering box is equipped with observation port, the side of the scattering box is provided with gland, the inside of the gland is provided with internal thread, the side of the scattering box is fixedly connected with external thread, the external thread is engaged with the internal thread;

[0009] As further description of the above technical scheme:

[0010] The included angle between the scattering plate and the scattering box is 20 °;

[0011] As further description of the above technical scheme:

[0012] The fixed block is fixedly connected to the left and right sides of the front part of the material scattering box.

[0013] The utility model has the advantages of the following:

[0014] 1、The utility model discloses a material scattering device with an umbrella rib type backflow plate, which comprises a material scattering plate, an umbrella rib type flow guide groove and a material scattering box.

[0015] 2、The utility model discloses a material scattering plate, which is designed and constructed with a material scattering box at the rear part of the material scattering plate, so as to protect the material scattering plate from high temperature erosion. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of the material scattering device with the umbrella rib type backflow plate is provided.

[0017] Figure 2 A structure view of the observation port of the material scattering device with the umbrella rib type backflow plate is provided.

[0018] Figure 3 A structure view of the gland of the material scattering device with the umbrella rib type backflow plate is provided.

[0019] LEGEND

[0020] 1、The material scattering plate; 11, the umbrella rib type flow guide groove; 2, the material scattering box; 21, the material feeding pipe; 22, the castable; 3, the observation port; 31, the gland; 32, the internal thread; 33, the external thread; 4, the fixed block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] REFERENCE Figure 1 - Figure 3The utility model provides an embodiment: a kind of scattering device with umbrella rib type backflow plate, including scattering plate 1, scattering plate 1 is used to disperse the material falling from the material pipe 21, make it evenly spread into decomposition furnace, enhance the heat exchange of material and airflow, reduce material kinetic energy, avoid material short circuit directly into kiln, improve decomposition effect, the material of scattering plate 1 is 0Cr25Ni20Ti heat-resistant steel, with the characteristics of high temperature resistance, oxidation resistance, corrosion resistance, it is applicable to high temperature environment, the top of scattering plate 1 is provided with evenly distributed umbrella rib type flow guide groove 11, umbrella rib type flow guide groove 11 is used to increase the tortuosity of scattering plate 1, change material flow path, increase the throwing height and distribution area of material, improve dispersion effect and heat exchange efficiency, material is heat-resistant alloy steel, with excellent strength and wear resistance, can withstand high temperature and material impact, scattering plate 1 rear side is fixedly connected with scattering box 2, scattering box 2 is the protection structure of scattering plate 1, prevent high temperature airflow and material from eroding scattering plate 1, scattering plate 1 rear side is installed with scattering box 2, the front side of scattering box 2 is installed with material pipe 21, material pipe 21 is used to convey material from upper stage to scattering plate 1, for the preliminary conveying of material, material pipe 21 and scattering box 2 opposite side are provided with castable 22, castable 22 has high wear resistance, high temperature strength and corrosion resistance, can long-term resist high temperature environment;

[0023] Observation port 3 is arranged on one side of scattering box 2, and the observation port 3 is used to provide a visual inspection and a channel for cleaning the inside of the scattering box 2, so as to facilitate an operator to observe a scattering effect or to clean accumulated material.

[0024] Working principle: the shape of the spreading plate 1 is designed as an outward expansion type, which can meet the rapid diffusion of the material on the spreading plate 1, and provide favorable conditions for the projectile diffusion of the material. At the same time, the umbrella-shaped guide groove 11 is arranged on the spreading plate 1, which increases the tortuosity of the spreading plate 1, increases the throwing height and distribution area of the material, and strengthens the flow dispersion effect of the material. The material from the downcomer 21 is immediately dispersed into fine powder after being hit by air flow or rebounding, which improves the spreading and suspension diffusion effect of the material, can keep the material diffusion uniform under the complex preheater thermal system, complete heat exchange in limited time, and improve the heat exchange efficiency as much as possible. The spreading box 2 is made at the rear of the spreading plate 1 to protect the spreading plate 1 from high temperature erosion. The circular observation hole 3 is arranged in the lower part of the spreading box 2, which is sealed by the gland 31 and can be opened at any time during use, which is convenient for cleaning and checking the spreading effect.

[0025] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A spreader with ribs-type reverse flow plate, comprising a spreader plate (1), characterized in that: The top of the spreading plate (1) is provided with evenly distributed umbrella-shaped guide grooves (11), the rear side of the spreading plate (1) is fixedly connected with a spreading box (2), the rear side of the spreading plate (1) is provided with the spreading box (2), the front side of the spreading box (2) is provided with a feeding pipe (21), and the feeding pipe (21) is provided with a pouring material (22) on the opposite side of the spreading box (2).

2. A spreader with ribs according to claim 1, characterized in that: An observation port (3) is formed in one side of the spreading box (2), a gland (31) is arranged on one side of the spreading box (2), an internal thread (32) is arranged in the gland (31), an external thread (33) is fixedly connected to one side of the spreading box (2), and the external thread (33) is engaged with the internal thread (32).

3. A spreader with ribs according to claim 1, characterized in that: The included angle between the spreading plate (1) and the spreading box (2) is 20°.

4. A spreader with ribs according to claim 1, characterized in that: The front part of the spreading box (2) is fixedly connected with fixed blocks (4) on the left and right sides.

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