Auxiliary biomass fuel feeding device for cement plant

Abstract

The utility model provides an auxiliary biomass fuel feeding device for a cement plant, and relates to the technical field of feeding devices, the auxiliary biomass fuel feeding device comprises a hopper, a rotating shaft, auger blades, a first motor and a screw conveyor, the hopper is installed above the screw conveyor, and a discharging port is transversely formed in the middle of the bottom of the hopper and connected with a feeding port of the screw conveyor; the rotating shafts are evenly installed in the hopper and perpendicular to the discharging port, the auger blades are installed on the rotating shafts, the first motor is installed on the side wall of the hopper, and the power output end of the first motor is connected with the power input ends of the rotating shafts. And arching is easy to occur in the stock bin, and no material is fed.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to a biomass fuel auxiliary feeding device for a cement plant. Background Art

[0002] Cement rotary kilns are a type of building materials equipment and a type of lime kiln. Cement kilns require constant, circulating external heat during operation. Traditional cement kilns rely on pulverized coal as their primary heat source, burning large quantities of pulverized coal to power the kiln. With the growing demand for energy conservation and emission reduction, the use of biomass fuel mixed with coal as a heat source is becoming increasingly common, reducing coal consumption and carbon emissions.

[0003] Biomass fuel needs to be mixed with coal by being fed into the hopper through a feeding device. The traditional feeding device includes an open single auger hopper and a screw feeder installed under the hopper. The biomass fuel delivered by the feed truck is put into the hopper and then sent into the mixing hopper through the screw feeder.

[0004] Since biomass fuel is a light-weight wood chip material, traditional feeding devices have the following problems during use: the biomass fuel has poor fluidity after being put into the silo, and is prone to arching in the silo, resulting in material blockage, which affects production efficiency and requires manual turning. Utility Model Content

[0005] In order to overcome the problems in the background technology, the utility model provides a biomass fuel auxiliary feeding device for a cement plant, which solves the problem that the biomass fuel in the traditional feeding device has poor fluidity after being put into the silo, and is prone to arching in the silo and causing material to stop flowing.

[0006] To achieve the above purpose, the present invention is implemented through the following technical solutions:

[0007] A biomass fuel auxiliary feeding device for a cement plant comprises a hopper, a rotating shaft, auger blades, a motor and a screw conveyor. The hopper is installed above the screw conveyor. A discharge port is horizontally opened in the middle of the bottom of the hopper and is connected to the feed port of the screw conveyor. The rotating shaft is evenly installed in the hopper perpendicular to the discharge port. The auger blades are installed on the rotating shaft. The motor is installed on the side wall of the hopper. The power output end of the motor is connected to the power input end of the rotating shaft.

[0008] Furthermore, the auger blades are installed in two sections on the rotating shaft at intervals from the discharge port, and the auger blades on both sides of the discharge port are symmetrically arranged and both wind towards the discharge port.

[0009] Furthermore, a material-shifting piece is installed on the rotating shaft above the discharge port, and the material-shifting piece is fin-shaped.

[0010] Furthermore, an anti-accumulation plate is installed on the bottom wall of the hopper between the rotating shafts. The cross-section of the anti-accumulation plate is triangular, and the two ends of the anti-accumulation plate are respectively connected to the side wall of the hopper and the side wall of the discharge port.

[0011] Beneficial effects of the utility model:

[0012] The hopper of the present application is provided with multiple groups of rotating shafts and auger blades, the rotating shafts are equipped with material-prying pieces, and the bottom wall of the hopper between the rotating shafts is equipped with anti-accumulation plates, which can increase the fluidity of biomass fuel in the hopper and prevent material accumulation, solving the problem of poor fluidity of biomass fuel after being put into the hopper of traditional feeding devices, which is prone to arching in the hopper and causing material to not flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for describing the embodiments are described below.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the hopper structure of the utility model;

[0017] Figure 4 This is a schematic structural diagram of the screw conveyor of the present utility model.

[0018] 1- hopper, 11- discharge port, 2- rotating shaft, 3- auger blade, 4- motor 1, 5- screw conveyor, 51- feed port, 6- material shifting piece, 7- anti-accumulation plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding by technicians.

[0020] The utility model discloses a biomass fuel auxiliary feeding device for cement plants. Figure 1-4A biomass fuel auxiliary feeding device for a cement plant includes a hopper 1, a rotating shaft 2, an auger blade 3, a motor 4 and a screw conveyor 5. The hopper 1 is installed above the screw conveyor 5 and can receive the biomass fuel delivered by the feed truck. A discharge port 11 is horizontally opened in the middle of the bottom of the hopper 1 and is connected to the feed port 51 of the screw conveyor 5. The material stored in the hopper 1 enters the screw conveyor 5 through the discharge port 11. The rotating shaft 2 is evenly installed in the hopper 1 perpendicular to the discharge port 11. The auger blade 3 is installed on the rotating shaft 2 to increase the fluidity of the biomass fuel. The motor 4 is installed on the side wall of the hopper 1. The power output end of the motor 4 is connected to the power input end of the rotating shaft 2 to drive the rotating shaft 2 to rotate.

[0021] See Figure 1-4 The auger blades 3 are installed in two sections on the rotating shaft 2 with the discharge port 11 spaced apart. The auger blades 3 on both sides of the discharge port 11 are symmetrically arranged and are both directed toward the discharge port 11, so that the biomass fuel in the hopper 1 can flow evenly toward the discharge port 11, making the discharge of the hopper 1 uniform.

[0022] See Figure 1-4 A material-diverting piece 6 is installed on the rotating shaft 2 above the discharge port 11. The material-diverting piece 6 is fin-shaped and can divert the arched biomass fuel to avoid the problem of biomass fuel not being able to flow out when the pile is high or empty.

[0023] See Figure 1-4 An anti-accumulation plate 7 is installed on the bottom wall of the hopper 1 between the rotating shafts 2. The cross-section of the anti-accumulation plate 7 is triangular, and the two ends of the anti-accumulation plate 7 are respectively connected to the side wall of the hopper 1 and the side wall of the discharge port 11 to prevent biomass fuel from accumulating at the bottom of the hopper 1 and affecting fluidity.

[0024] Working process:

[0025] Start the motor 4, and the biomass fuel transported by the material truck is put into the hopper 1. Driven by the auger blades 3, the biomass fuel flows evenly toward the discharge port 11, enters the screw conveyor 5 from the discharge port 11, and is transported to the mixing bin through the screw conveyor 5. The arched material during the discharge process is dispersed by the material shifting piece 6.

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A biomass fuel auxiliary feeding device for a cement plant, characterized by: The invention comprises a hopper (1), a rotating shaft (2), an auger blade (3), a motor (4) and a screw conveyor (5), wherein the hopper (1) is installed above the screw conveyor (5), a discharge port (11) is horizontally opened in the middle of the bottom of the hopper (1) and connected to the feed port (51) of the screw conveyor (5), the rotating shaft (2) is evenly installed in the hopper (1) perpendicular to the discharge port (11), the auger blade (3) is installed on the rotating shaft (2), the motor (4) is installed on the side wall of the hopper (1), and the power output end of the motor (4) is connected to the power input end of the rotating shaft (2).

2. The biomass fuel auxiliary feeding device for cement plants according to claim 1, characterized in that: The auger blades (3) are installed in two sections on the rotating shaft (2) at intervals from the discharge port (11), and the auger blades (3) on both sides of the discharge port (11) are symmetrically arranged and both wind towards the discharge port (11).

3. The biomass fuel auxiliary feeding device for cement plants according to claim 1, characterized in that: A material shifting piece (6) is mounted on the rotating shaft (2) above the material discharging port (11), and the material shifting piece (6) is fin-shaped.

4. The biomass fuel auxiliary feeding device for cement plants according to claim 1, characterized in that: An anti-accumulation plate (7) is installed on the bottom wall of the hopper (1) between the rotating shafts (2). The cross section of the anti-accumulation plate (7) is triangular, and the two ends of the anti-accumulation plate (7) are respectively connected to the side wall of the hopper (1) and the side wall of the discharge port (11).

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