Improved structure of boiler feeding device

Abstract

The utility model relates to the technical field of boiler feeding, and discloses an improved structure of a boiler feeding device, a feeding assembly is arranged in a feeding bin, and the feeding assembly comprises a machine base, a motor, a synchronous main wheel, a synchronous auxiliary wheel, a synchronous belt, a connecting rod and a roller. The machine base is installed on the outer wall of the feeding bin, the motor is installed on the machine base, the synchronous main wheel is connected with the output end of the motor, and the synchronous auxiliary wheel and the synchronous main wheel are adjacent and connected through the synchronous belt. The connecting rod is connected with the synchronous auxiliary wheel shaft hole, penetrates through the bin wall and extends inwards. And a spiral blade is sleeved outside the roller. By increasing the space between the spiral blades and adapting to the local fuel market, the technological process of boiler fuel supply and in-boiler fuel combustion is guaranteed, the particle space requirement of yellow rod type fuel is met, the blending proportion of straw type fuel is increased to 50% or above, the uninterrupted supply amount of boiler combustion fuel is met, and the small dip angle design of the front wall of a stock bin in front of the boiler is achieved. The problems of wall hanging and material blocking of biomass fuel are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler feeding, in particular to an improved structure of a boiler feeding device. Background Art

[0002] A boiler is a device used to generate steam or heat water, and is usually used in heating, industrial production, power generation, etc. A boiler heats water to a certain temperature by burning fuel or using electrical energy to generate steam or hot water.

[0003] The basic working principle of a boiler is to generate heat energy by burning fuel and transfer heat by heating water or steam. The fuel can be solid, liquid or gas, and common ones include coal, natural gas, oil, etc.

[0004] At present, boilers mainly use wood fuels, such as branches, building templates, etc. To ensure combustion efficiency, boilers have strict requirements on fuel particle size: 100% of fuel particles must be less than 100mm, 90% must be less than 50mm, 50% must be less than 5mm, and only 5% of particles can be less than 3mm. In addition, the proportion of straw fuel in the boiler is strictly controlled within 5%.

[0005] The fuel is fed into the boiler fuel bunker through the conveyor belt, and then transported to the furnace feed bunker by the bunker bottom feeder. The feeder of the furnace feed bunker then delivers the fuel to the lower part of the boiler for combustion. According to the distribution and production volume of the local biomass market, the fuel that can actually be used for combustion is mainly yellow stalks, including corn stalks, sunflower stalks, wheat stalks and pepper stalks.

[0006] Considering the local fuel types, physical properties and processing technology, most fuel lengths are between 15cm and 40cm. However, the current boiler furnace feeding device has problems such as unsmooth feeding and frequent blockage, which seriously affect the output power of the boiler.

[0007] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop an improved structure of a boiler feeding device. Utility Model Content

[0008] The utility model aims to provide an improved structure of a boiler feeding device to solve the problems raised in the above background technology.

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] A technical solution for the improved structure of a boiler feeding device comprises a feeding bin, wherein a feeding assembly is arranged in the feeding bin, wherein the feeding assembly comprises a base mounted on the outer wall of the feeding bin, wherein a motor is mounted on the base, wherein a synchronous main wheel is connected to the output end of the motor, a synchronous secondary wheel is mounted on an adjacent side of the synchronous main wheel, wherein the synchronous main wheel and the synchronous secondary wheel are connected via a synchronous belt, wherein a connecting rod is connected to the shaft hole of the synchronous secondary wheel, wherein the connecting rod passes through the bin wall and extends inwardly, and wherein an end face is connected to a roller, and wherein a spiral blade is mounted on the outer surface of the roller.

[0011] As a preferred technical solution, the spiral blade is provided with a discharge port on the wall of the feeding bin relative to the feeding bin, a bin cover is provided on the top of the feeding bin, and a front inclined wall of the bin is provided obliquely above the discharge port.

[0012] As a preferred technical solution, a plurality of high-frequency vibrators are staggeredly arranged on the outer wall of the feeding bin.

[0013] As a preferred technical solution, the front inclined wall of the silo is designed with a small inclination angle, the spacing between the spiral blades is set to a wide spacing, and the diameter of the spiral blades is set to a long diameter.

[0014] As a preferred technical solution, a plurality of dispersion blocks are installed on the surface of the spiral blade.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The utility model is an improved structure of a boiler feeding device. By increasing the spacing between spiral blades, the device adapts to the local fuel market to ensure the supply of boiler fuel and the process flow of fuel combustion entering the furnace, meets the particle space requirements of yellow stalk fuel, increases the blending ratio of straw fuel to more than 50%, and meets the uninterrupted supply of boiler combustion fuel. The small inclination angle design of the front wall of the silo in front of the furnace solves the problem of biomass fuel hanging on the wall and blocking the material.

[0017] (2) The utility model is an improved structure of a boiler feeding device. The high-frequency vibrator provided can effectively reduce the blockage phenomenon during the feeding process and improve the feeding efficiency. At the same time, the installation of the dispersion block also helps to improve the uniform distribution of the fuel and improve the feeding efficiency, so that the fuel burns more fully in the boiler and improves the thermal efficiency of the boiler. The improved structure of the boiler feeding device of the utility model also has the advantages of simple structure, convenient operation and low maintenance cost. The feeding efficiency of the boiler feeding device is improved. In practical applications, it can effectively solve the problems of the boiler feeding device having poor feeding and frequent blockage, thereby improving the output power of the boiler and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an improved structure of a boiler feeding device;

[0019] Figure 2 The figure shows the structure of a feeding assembly with an improved structure for a boiler feeding device.

[0020] In the accompanying drawings: 1. feeding bin; 11. bin cover; 12. discharge port; 13. front inclined wall of silo; 2. high-frequency vibrator; 31. machine base; 32. motor; 33. synchronous main wheel; 34. synchronous secondary wheel; 35. connecting rod; 36. synchronous belt; 37. roller; 38. spiral blade; 39. dispersion block. DETAILED DESCRIPTION

[0021] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0022] like Figure 1 and Figure 2 As shown, the utility model provides a technical solution for improving the structure of a boiler feeding device: comprising a feeding bin 1, a plurality of high-frequency vibrators 2 are arranged in a staggered manner on the outer wall of the feeding bin 1, a feeding assembly is arranged in the feeding bin 1, the feeding assembly comprises a base 31 installed on the outer wall of the feeding bin 1, a motor 32 is installed on the base 31, a synchronous main wheel 33 is connected to the output end of the motor 32, a synchronous secondary wheel 34 is installed on the adjacent side of the synchronous main wheel 33, the synchronous main wheel 33 and the synchronous secondary wheel 34 are connected by a synchronous belt 36, and the shaft of the synchronous secondary wheel 34 A connecting rod 35 is connected in the hole, the connecting rod 35 passes through the silo wall and extends inwardly, and is connected to a roller 37 on the end face. A spiral blade 38 is mounted on the outer surface of the roller 37. A discharge port 12 is arranged on the silo wall relative to the feeding silo 1. A silo cover 11 is arranged on the top of the feeding silo 1. A silo front inclined wall 13 is arranged obliquely above the discharge port 12. The silo front inclined wall 13 is designed with a small inclination angle. The spacing between the spiral blades 38 is set as a wide spacing, the diameter of the spiral blades 38 is set as a long diameter, and a plurality of dispersion blocks 39 are installed on the surface of the spiral blades 38.

[0023] In this embodiment, when in use, the fuel is added through the top bin cover 11 of the feed bin 1. After the motor 32 is started, the connecting rod 35 drives the roller 37 to rotate in the feed bin 1 through the transmission of the synchronous main wheel 33 and the synchronous secondary wheel 34, and the spiral blades 38 on the roller 37 push the fuel from the bottom of the feed bin 1 to the discharge port 12. Since the spacing between the spiral blades 38 is set to a wide spacing, it can adapt to larger particles of fuel, especially yellow rod fuel, so that the fuel can smoothly pass through the gaps between the spiral blades 38 to avoid blockage. At the same time, the diameter of the spiral blades 38 is set to a long diameter, which can increase the contact area between the fuel and the spiral blades 38 and improve the feeding efficiency. In addition, the setting of the dispersion block 39 can further improve the uniform distribution of the fuel, so that the fuel burns more fully in the boiler and improves the thermal efficiency of the boiler.

[0024] During the feeding process, the high-frequency vibrator 2 on the outer wall of the feeding bin 1 can effectively reduce the blockage during the feeding process. At the same time, the small inclination design of the front wall of the front bin can solve the problem of biomass fuel hanging on the wall and blocking, ensuring the continuous supply of boiler fuel.

[0025] The improved structure of the boiler feeding device of the utility model not only improves the feeding efficiency and reduces the production cost, but also has the advantages of simple structure, convenient operation, low maintenance cost, etc., and can be widely used in the fuel supply of various biomass boilers. At the same time, by optimizing the fuel blending ratio, the sustainable utilization of biomass fuel can be achieved, which is environmentally friendly and has broad market prospects.

[0026] The working principle and use process of the utility model: After the utility model is installed, it works according to the above implementation method until all the working steps are completed.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0030] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An improved structure of a boiler feeding device, characterized in that: The invention comprises a feeding bin (1), wherein a feeding assembly is arranged in the feeding bin (1), wherein the feeding assembly comprises a base (31) mounted on the outer wall of the feeding bin (1), wherein a motor (32) is mounted on the base (31), wherein the output end of the motor (32) is connected to a synchronous main wheel (33), wherein a synchronous secondary wheel (34) is mounted on an adjacent side of the synchronous main wheel (33), wherein the synchronous main wheel (33) and the synchronous secondary wheel (34) are connected via a synchronous belt (36), wherein a connecting rod (35) is connected in an axial hole of the synchronous secondary wheel (34), wherein the connecting rod (35) penetrates the bin wall and extends inwardly, and wherein an end face thereof is connected to a roller (37), wherein a spiral blade (38) is sleeved on the outer surface of the roller (37).

2. The improved structure of a boiler feeding device according to claim 1 is characterized in that: The spiral blade (38) is provided with a discharge port (12) on the wall of the feeding bin (1), a bin cover (11) is provided on the top of the feeding bin (1), and a front oblique wall (13) of the bin is provided obliquely above the discharge port (12).

3. The improved structure of a boiler feeding device according to claim 1 is characterized in that: The outer wall of the feeding bin (1) is provided with a plurality of high-frequency vibrators (2) in a staggered manner.

4. The improved structure of a boiler feeding device according to claim 2 is characterized in that: The front inclined wall (13) of the silo is designed with a small inclination angle, the spacing between the spiral blades (38) is set to a wide spacing, and the diameter of the spiral blades (38) is set to a long diameter.

5. The improved structure of a boiler feeding device according to claim 1 is characterized in that: A plurality of dispersion blocks (39) are installed on the surface of the spiral blade (38).

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