Blanking buffer device for cement production

Abstract

The utility model discloses a blanking buffer device for cement production, which comprises a buffer tank, the upper side of the buffer tank is provided with a feeding pipe communicated with the inner cavity of the buffer tank, the top of the feeding pipe is provided with a multi-stage conveying pipeline, the buffer tank is internally provided with a collecting box, and a flowing gap is reserved between the collecting box and the buffer tank. The top of the collecting box is open, and the bottom of the feeding pipe is located in the collecting box through the opening. According to the blanking buffer device for cement production, abrasion and impact of blanking to a crushing device are reduced by reducing the fall height of raw materials, the service life of the crushing device is guaranteed, meanwhile, the buffer device is provided with multiple stages of conveying pipelines, the feeding angle of the device is adjusted by adjusting the mounting position of an inclined pipeline, the device is convenient to mount and use, and the practicability is high. And the inclined pipeline can lower the vertical falling path of the raw materials, so that the falling potential energy of the raw material particles is reduced, and a buffering effect is conveniently achieved when the cement raw materials are discharged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production device technical field, specifically is a cement production is with unloading buffer device. BACKGROUND

[0002] With the continuous advancement of social construction, the construction industry is also developing, and cement, as one of the indispensable building materials, plays a vital role in various engineering projects. Many raw materials for cement preparation, such as limestone, clay, iron ore, etc., need to be crushed, especially limestone, which is the largest amount of raw material needed for cement production, has a larger particle size and high hardness after mining. Therefore, the crushing of limestone is particularly important in the cement plant.

[0003] Currently, in order to improve the quality of cement preparation, the raw materials need to be crushed and pulverized to reduce the particle size. Ball mill, as a commonly used crushing mechanism, is also widely used in the field of cement production. However, before the raw materials are crushed by the ball mill, the cement raw materials need to be preliminarily crushed, and then the small particle size raw materials are screened and fed by the multi-stage cyclone separator. When the preliminarily crushed raw materials are directly input into the ball mill through the cyclone separator, the raw materials will be worn and impacted with the ball mill due to the height difference, affecting the service life of the ball mill. Therefore, a buffer device is needed to buffer the cement preparation raw materials. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a cement production unloading buffer device. By reducing the height difference of the raw materials, the wear and impact of the unloading on the crushing device are reduced, the service life of the crushing device is ensured, and the buffer device is installed on the buffer device. By adjusting the installation position of the inclined pipeline to adjust the feed angle of the device, the installation and use of the device are facilitated, and the inclined pipeline can reduce the vertical falling path of the raw materials, thereby reducing the potential energy of the raw material particles and facilitating the buffering effect when the cement raw materials are unloaded. The problems in the background art can be effectively solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cement production unloading buffer device, comprising a buffer tank, a feed pipe is installed on the upper side of the buffer tank and communicates with the inner cavity thereof, and a multi-stage feed pipe is installed at the top of the feed pipe, a collecting box is installed in the buffer tank, and a flow gap is reserved between the collecting box and the buffer tank, the top of the collecting box is provided with an opening, and the bottom of the feed pipe is located in the collecting box through the opening, an accumulation box is installed at the bottom of the buffer tank and communicates with the inner cavity thereof, and a discharge port is arranged at the bottom of the accumulation box, a flap valve is installed at the connection between the buffer tank and the accumulation box, and the flap valve is installed in the buffer tank, and an operating handle is arranged on the flap valve.

[0006] As a preferred technical scheme of the utility model, the multi-stage conveying pipeline comprises a plurality of inclined pipelines, both ends of the inclined pipelines are arranged in an inclined manner, and adjacent two inclined pipelines are connected and fixed through connecting flanges, and the inclined pipeline located at the lowermost position is connected and fixed with the upper end of the feeding pipe through a connecting flange.

[0007] As a preferred technical scheme of the utility model, the buffer tank is provided with a sealing positioning cover for sealing the opening, the buffer tank is fixed with a mounting flange at the top, the sealing positioning cover is connected and fixed with the mounting flange through bolts, the feeding pipe is fixed at the side of the sealing positioning cover, the lower end of the feeding pipe is located in the buffer tank and communicates with the inner cavity of the buffer tank, and the upper end of the feeding pipe is located above the sealing positioning cover and communicates with the multi-stage conveying pipeline.

[0008] As a preferred technical scheme of the utility model, a plurality of positioning racks are arranged in the flow gap, one side of the positioning rack is fixed to the outside of the collecting box, and the other side of the positioning rack is fixed to the inside of the buffer tank.

[0009] As a preferred technical scheme of the utility model, the buffer tank and the collecting box are connected and fixed through a positioning flange, and a plurality of supporting racks are fixed to the side of the positioning flange.

[0010] As a preferred technical scheme of the utility model, the upper part of the side of the buffer tank is arranged in an outwardly expanding manner, so that the flow gap between the buffer tank and the collecting box is increased, the inner cavity of the collecting box gradually decreases from top to bottom, and the discharge port is arranged in an inclined manner.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The cement production discharging buffer device of the utility model reduces the wear and impact of discharging on the crushing device by reducing the falling height of raw materials, guarantees the service life of the crushing device, the multi-stage conveying pipeline is installed on the buffer device, the feeding angle of the device is adjusted by adjusting the installation position of the inclined pipeline, the installation and use of the device are facilitated, the vertical falling path of the raw materials is reduced by the inclined pipeline, so that the potential energy of the falling raw material particles is reduced, and the buffer effect is facilitated when the cement raw materials are discharged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is a structural schematic view;

[0014] Figure 2 The utility model is a structural schematic view after the buffer tank is removed;

[0015] Figure 3 The utility model is a structural schematic view after the collecting box is removed;

[0016] Figure 4 It is the installation structure schematic view of the flap valve in the utility model;

[0017] Figure 5 It is the overhead structure schematic view of the utility model.

[0018] In the drawing: 1 buffer tank, 2 sealing positioning cover, 3 feed pipe, 4 inclined pipeline, 5 connecting flange plate, 6 collection box, 7 positioning frame, 8 gathering box, 9 positioning flange plate, 10 support frame, 11 flap valve, 12 installation flange plate. DETAILED DESCRIPTION

[0019] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a cement production unloading buffer device, including buffer tank 1, buffer tank 1 upper side is equipped with with its inner cavity communication feed pipe 3, and feed pipe 3 top is equipped with multistage material conveying pipeline, cement raw material is crushed after being handled by external primary crushing device, multistage cyclone is entered into multistage material conveying pipeline by airflow carrying crushed cement raw material, and enters buffer tank 1 by feed pipe 3 in multistage material conveying pipeline end, multistage material conveying pipeline includes several inclined pipelines 4, both ends of inclined pipeline 4 are inclined, and adjacent two inclined pipelines 4 are connected and fixed by connecting flange plate 5, while the inclined pipeline 4 in the lowermost is connected and fixed by connecting flange plate 5 with feed pipe 3 upper end.

[0021] Multistage material conveying pipeline installation uses, according to the installation angle of inclined pipeline 4 is adjusted according to feed position, it is convenient for the feed of this buffer device, the position of inclined pipeline 4 after adjustment is positioned by installing screw in connecting flange plate 5, it is convenient for the installation and use of inclined pipeline 4, and the setting of inclined pipeline 4 is used to reduce the vertical drop height of cement raw material, to reduce the potential energy of raw material drop, reduce the collision and impact of raw material and equipment.

[0022] The buffer tank 1 is provided with a collecting box 6, and a flow gap is reserved between the collecting box 6 and the buffer tank 1, the top of the collecting box 6 is provided with an opening, and the bottom of the feeding pipe 3 is located in the collecting box 6 through the opening, the cement raw materials in the feeding pipe 3 are arranged in the collecting box 6, and after the collecting box 6 is filled with the cement raw materials, the cement raw materials overflow from the collecting box 6 under the pressurization of the cyclone separator and fall in the bottom of the inner cavity of the collecting box 6; preferably, the upper part of the side of the buffer tank 1 is outwardly expanded, so that the flow gap between the buffer tank 1 and the collecting box 6 is increased.

[0023] The bottom of the buffer tank 1 is provided with an accumulation box 8 which is communicated with the inner cavity of the buffer tank 1, and the bottom of the accumulation box 8 is provided with a discharge port, a flap valve 11 is arranged at the connecting position of the buffer tank 1 and the accumulation box 8, and the flap valve 11 is arranged in the buffer tank 1, the flap valve 11 is provided with an operating handle, the flap valve 11 blocks the cement raw materials falling into the lower part of the inner cavity of the buffer tank 1, when the cement raw materials are accumulated to a certain degree, the operating handle is used to rotate the flap valve 11, so that the cement raw materials enter the accumulation box 8 and are discharged to an external ball mill through the discharge port on the side of the accumulation box 8, the cement raw materials are further ground and pulverized by the ball mill arranged outside, and the production and preparation of the cement are facilitated; preferably, the inner cavity of the accumulation box 8 is gradually reduced from top to bottom, and the discharge port is arranged in an inclined manner, so that the cement raw materials first fall into the accumulation box 8 and then flow out through the discharge port, and the impact of the cement raw materials directly falling on the ball mill equipment due to excessive potential energy is prevented, and a good buffering effect is achieved.

[0024] The top of the buffer tank 1 is provided with an opening, and a sealing positioning cover 2 is arranged at the opening of the buffer tank 1 to seal the opening, the top of the buffer tank 1 is fixed with a mounting flange plate 12, the sealing positioning cover 2 is connected and fixed with the mounting flange plate 12 through bolts, the feeding pipe 3 is fixed on the side of the sealing positioning cover 2, and the lower end of the feeding pipe 3 is located in the buffer tank 1 and communicated with the inner cavity of the buffer tank 1, the upper end of the feeding pipe 3 is located above the sealing positioning cover 2 and communicated with the multi-stage feeding pipe, the sealing positioning cover 2 is arranged to facilitate the installation and use of the feeding pipe 3, and the sealing positioning cover 2 is disassembled to facilitate the opening of the opening and the maintenance of the inside of the buffer tank 1.

[0025] A plurality of positioning frames 7 are arranged in the flow gap, one side of the positioning frame 7 is fixed on the outside of the collecting box 6, and the other side of the positioning frame 7 is fixed on the inside of the buffer tank 1, the collecting box 6 is arranged in the buffer tank 1 through the plurality of positioning frames 7, so that the collecting box 6 collects the falling cement raw materials and plays a buffering role.

[0026] The buffer tank 1 and the accumulation box 8 are connected and fixed through a positioning flange plate 9, and a plurality of supporting frames 10 are fixed on the side of the positioning flange plate 9, and bolts are arranged in the supporting frames 10 to facilitate the installation of the buffer device on external equipment or supports for use.

[0027] The cement production unloading buffer device reduces the wear and impact of unloading on the crushing device by reducing the falling height of raw materials, guarantees the service life of the crushing device, and the buffer device is provided with multi-stage material conveying pipelines, the feeding angle of the device is adjusted by adjusting the installation position of the inclined pipelines, the device is convenient to install and use, and the inclined pipelines can reduce the vertical falling path of the raw materials, thereby reducing the potential energy of the falling raw material particles, and the buffer effect is achieved when the cement raw materials are unloaded.

[0028] The un-disclosed part in the utility model is prior art, and the specific structure, material and working principle are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A material feeding buffer device for cement production, comprising a buffer tank (1), characterized in that: The buffer tank (1) is equipped with a feed pipe (3) that communicates with its inner cavity on the upper side, and a multi-stage conveying pipe is installed on the top of the feed pipe (3). A collection box (6) is installed inside the buffer tank (1), and a flow gap is reserved between the collection box (6) and the buffer tank (1). The top of the collection box (6) is open, and the bottom of the feed pipe (3) is located inside the collection box (6) through the open. A gathering box (8) that communicates with its inner cavity is installed at the bottom of the buffer tank (1), and a discharge port is provided at the bottom of the gathering box (8). A flap valve (11) is installed at the connection between the buffer tank (1) and the gathering box (8), and the flap valve (11) is installed inside the buffer tank (1). An operating handle is provided on the flap valve (11).

2. The material feeding buffer device for cement production according to claim 1, characterized in that: The multi-stage conveying pipeline includes several inclined pipes (4), both ends of which are inclined, and two adjacent inclined pipes (4) are connected and fixed by a connecting flange (5). At the same time, the lowest inclined pipe (4) is connected and fixed to the upper end of the feed pipe (3) by a connecting flange (5).

3. The material feeding buffer device for cement production according to claim 1, characterized in that: The top of the buffer tank (1) is open, and a sealing positioning cover (2) is installed at the opening of the buffer tank (1) to seal the opening. A mounting flange (12) is fixed on the top of the buffer tank (1). The sealing positioning cover (2) is connected and fixed to the mounting flange (12) by bolts. The feed pipe (3) is fixed on the side of the sealing positioning cover (2), and the lower end of the feed pipe (3) is located inside the buffer tank (1) and communicates with the inner cavity of the buffer tank (1). The upper end of the feed pipe (3) is located above the sealing positioning cover (2) and communicates with the multi-stage conveying pipeline.

4. The material feeding buffer device for cement production according to claim 1, characterized in that: Several positioning frames (7) are provided in the flow gap. One side of the positioning frame (7) is fixed to the outside of the collection box (6), and the other side of the positioning frame (7) is fixed to the inside of the buffer tank (1).

5. The material feeding buffer device for cement production according to claim 1, characterized in that: The buffer tank (1) and the collection box (8) are connected and fixed by a positioning flange (9), and several support frames (10) are fixed on the side of the positioning flange (9).

6. The material feeding buffer device for cement production according to claim 1, characterized in that: The upper side of the buffer tank (1) is set outward to increase the flow gap between the buffer tank (1) and the collection box (6). The inner cavity of the collection box (8) gradually shrinks from top to bottom, and the discharge port is set in an inclined position.

Images