Mixing device for firing biomass fuel

Abstract

The utility model relates to the technical field of cement production, in particular to a mixing device for firing biomass fuel, which adopts the technical scheme that the mixing device comprises a mixing tank and a feeding box, a leaked material mixing hopper is mounted on the inner wall of the mixing tank, a discharging hole is formed in the center of the leaked material mixing hopper, and a first rotating shaft is rotationally mounted on the inner wall of the upper end of the mixing tank; a stirring rod and a material distributing plate are installed on the first rotating shaft, the material distributing plate is located between the leaked material mixing hoppers, material leaking openings distributed in an array mode are formed in the edge of the material distributing plate, the two feeding boxes are symmetrically installed at the side end of the mixing tank, a second rotating shaft is rotationally installed in each feeding box, and spiral blades are installed on the second rotating shafts; the second rotating shaft extends to the upper end of the feeding box and is provided with a driven belt wheel. The biomass fuel mixing device has the advantages that biomass fuel ash and cement can be added at the same time, material layering is prevented, continuous mixing and discharging can be achieved, the time for waiting for mixing is not needed, and the mixing efficiency of fired biomass fuel is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production technical field, concretely is a kind of incorporation device of burning biomass fuel. BACKGROUND

[0002] Biomass fuel refers to biomass material combustion as fuel, these materials are mainly derived from agricultural and forestry waste (such as straw, sawdust, sugarcane residue, rice chaff, etc.) and specially planted energy crops. The application of biomass fuel is mainly biomass briquetting fuel (BMF), i.e. agricultural and forestry waste is used as raw material, and after crushing, mixing, extruding, drying and other processes, various shaped (such as block, granular, etc.) new clean fuel can be directly combusted.

[0003] In cement production and processing, in order to improve the performance of cement and reduce carbon emissions in cement production, the ash of biomass fuel needs to be added to the cement raw material for mixing. Currently, when biomass fuel ash is mixed with cement, cement and biomass fuel ash are directly added to the mixing equipment. The ash of biomass fuel and cement are added in batches, which can cause stratification, affect the efficiency of mixing, and the mixing needs a certain time. After mixing, it can be discharged, and continuous mixing and discharging cannot be carried out. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an incorporation device for burning biomass fuel, which can simultaneously add biomass fuel ash and cement, prevent material stratification, continuously mix and discharge, does not need to wait for mixing time, ensures the advantages of incorporation and mixing efficiency of burning biomass fuel, and solves the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an incorporation device for burning biomass fuel, comprising a mixing tank and a feeding box, the inner wall of the mixing tank is provided with a leakage mixing hopper, two leakage mixing hoppers are arranged, a leakage hole is formed in the center of the leakage mixing hopper, a first rotating shaft is rotatably installed on the upper end inner wall of the mixing tank, a stirring rod and a distribution plate are installed on the first rotating shaft, the distribution plate is located between the leakage mixing hoppers, leakage openings are formed in the edge of the distribution plate in an array, two feeding boxes are symmetrically installed on the side end of the mixing tank, a second rotating shaft is rotatably installed in the feeding box, helical blades are installed on the second rotating shaft, and a driven pulley is installed on the second rotating shaft extending to the upper end of the feeding box.

[0006] When the biomass fuel mixing device is used, the sizes of the driven pulleys of the two feeding boxes are set according to the types of the feedings, so as to adjust the feeding speeds of the two feedings; during work, the biomass fuel ash and the cement are respectively added into the two feeding hoppers; the biomass fuel ash and the cement can be respectively fed into the two feeding boxes through the feeding pipes; the first rotating shaft and the second rotating shaft can be rotated through the work of the driving device; the feedings can be fed through the action of the helical blades; the biomass fuel ash and the cement can be fed into the mixing tank; the biomass fuel ash and the cement can be located in the upper leakage mixing hopper and mixed through the stirring rod; then the biomass fuel ash and the cement can fall onto the distribution plate through the discharging holes; the feedings can be dispersed through the distribution plate; the biomass fuel ash and the cement can be located in the lower leakage mixing hopper through the leakage holes and mixed again; the biomass fuel ash and the cement can fall to the bottom of the mixing tank through the discharging holes and discharged through the discharging pipes; the biomass fuel ash and the cement can be mixed again during the process of being located at the bottom of the mixing tank and being discharged.

[0007] Preferably, the lower end of the mixing tank is provided with a discharging pipe, and the discharging pipe is in communication with the mixing tank.

[0008] Preferably, the lower end of the mixing tank is provided with a discharging pipe, and the discharging pipe is in communication with the mixing tank.

[0009] Preferably, the lower end of the mixing tank is provided with a discharging pipe, and the discharging pipe is in communication with the mixing tank.

[0010] Preferably, the lower end of the mixing tank is provided with a discharging pipe, and the discharging pipe is in communication with the mixing tank.

[0011] Preferably, the lower end of the mixing tank is provided with a discharging pipe, and the discharging pipe is in communication with the mixing tank.

[0012] Preferably, the lower end of the mixing tank is provided with a discharging pipe, and the discharging pipe is in communication with the mixing tank.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: biomass fuel ash and cement can be added at the same time, the biomass fuel ash and cement can be prevented from being layered, the biomass fuel ash and cement added into the mixing tank are located on the material leakage mixing hopper, the material discharge speed is reduced, and the biomass fuel ash and cement can be mixed when located on the material leakage mixing hopper and the bottom of the mixing tank, continuous mixing and discharging can be realized, the mixing time does not need to be waited, and the mixing efficiency of the sintered biomass fuel is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0016] Figure 3 It is a bottom view structural schematic diagram of the utility model;

[0017] Figure 4 It is a partial sectional view structural schematic diagram of the utility model;

[0018] Figure 5 It is a stirring mechanism structural schematic diagram of the utility model.

[0019] The reference signs and names in the drawings are as follows:

[0020] 101, mixing tank; 102, supporting leg; 103, material leakage mixing hopper; 104, discharging hole; 105, first rotating shaft; 106, stirring rod; 107, material distribution plate; 108, material leakage port; 109, discharging pipe; 201, feeding box; 202, feeding pipe; 203, feeding hopper; 204, second rotating shaft; 205, spiral blade; 206, driven pulley; 301, mounting plate; 302, driving device; 303, driving pulley; 304, transmission belt. 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, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] EMBODIMENT

[0023] Please refer to Figures 1 to 5 The utility model provides an embodiment: a kind of incorporation device of sintered biomass fuel, comprising:

[0024] The mixing tank 101 is provided with two leakage mixing hoppers 103 which are arranged on the inner wall of the mixing tank 101 and are provided with a discharging hole 104 in the center. A first rotating shaft 105 is rotatably arranged on the upper end of the inner wall of the mixing tank 101, and a stirring rod 106 and a distribution plate 107 are arranged on the first rotating shaft 105. The distribution plate 107 is arranged between the two leakage mixing hoppers 103 and is provided with a plurality of leakage openings 108 which are arranged in an array on the edge of the distribution plate 107. Two upper feeding boxes 201 are symmetrically arranged on the side ends of the mixing tank 101. A second rotating shaft 204 is rotatably arranged in the upper feeding box 201, and a helical blade 205 is arranged on the second rotating shaft 204. The second rotating shaft 204 extends to the upper end of the upper feeding box 201 and is provided with a driven pulley 206.

[0025] In the embodiment, the sizes of the driven pulleys 206 of the two upper feeding boxes 201 are set according to the types and proportions of the materials to be fed, so as to adjust the feeding speeds of the two materials. In operation, the biomass fuel ash and the cement are respectively fed into the two feeding hoppers 203, and then are respectively fed into the two upper feeding boxes 201 through the feeding pipes 202. The first rotating shaft 105 and the second rotating shaft 204 are driven to rotate by the driving device 302, and the materials are fed into the mixing tank 101 by the helical blade 205. The biomass fuel ash and the cement are mixed in the upper leakage mixing hoppers 103, and then are mixed again in the lower leakage mixing hoppers 103 by the stirring rod 106 and the distribution plate 107. The biomass fuel ash and the cement are discharged from the bottom of the mixing tank 101 through the discharging pipe 109, and are mixed again during the discharging process.

[0026] Further, the mixing tank 101 is provided with a discharging pipe 109 which is in communication with the mixing tank 101.

[0027] Further, the lower end of the mixing tank 101 is provided with four supporting legs 102 which are arranged in an array about the mixing tank 101.

[0028] Further, the side end surface of the upper feeding box 201 is provided with a feeding pipe 202 which is arranged at the lower position and is provided with a feeding hopper 203.

[0029] Further, the side end surface of the upper feeding box 201 is provided with an upper feeding pipe which extends into the mixing tank 101.

[0030] Further, the upper end face of the mixing tank 101 is welded with a mounting plate 301, the mounting plate 301 is L-shaped, the lower end of the mounting plate 301 is mounted with a driving device 302, and the main shaft of the driving device 302 is connected with the shaft center of the first rotating shaft 105.

[0031] Further, the main shaft of the driving device 302 is mounted with a driving pulley 303, the driving pulley 303 is provided with two, and the driving pulley 303 is provided with a transmission belt 304 between the driving pulley 303 and the driven pulley 206.

[0032] The driving device 302 in the utility model is a known device, and its working principle and circuit connection are well known to the skilled in the art, and all belong to conventional means or common knowledge, the utility model only utilizes the function, and does not improve the structure, and therefore will not be repeated here, and the skilled in the art can select and match according to the needs or convenience.

[0033] For the skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A mixing device for burning biomass fuel, comprising a mixing tank (101) and a feeding box (201), characterized in that: The inner wall of the mixing tank (101) is provided with two material leakage mixing hoppers (103), the center of which is provided with a discharging hole (104), the upper end of the inner wall of the mixing tank (101) is rotatably provided with a first rotating shaft (105), the first rotating shaft (105) is provided with a stirring rod (106) and a material distribution plate (107), the material distribution plate (107) is located between the two material leakage mixing hoppers (103), the edge of the material distribution plate (107) is provided with a plurality of arrayed material leakage holes (108), the two feeding boxes (201) are symmetrically arranged at the side ends of the mixing tank (101), the feeding box (201) is rotatably provided with a second rotating shaft (204), the second rotating shaft (204) is provided with a spiral blade (205), and the second rotating shaft (204) extends to the upper end of the feeding box (201) and is provided with a driven belt pulley (206).

2. A device for incorporating biomass fuel into a mixture according to claim 1, wherein: The lower end of the mixing tank (101) is provided with a discharging pipe (109) which communicates with the mixing tank (101).

3. The apparatus for blending biomass fuel for firing as claimed in claim 1 wherein: The lower end of the mixing tank (101) is provided with four supporting legs (102), which are arrayed about the mixing tank (101).

4. The apparatus for blending biomass fuel for firing according to claim 1, wherein: The side end surface of the feeding box (201) is provided with a feeding pipe (202) at the lower part, and the feeding pipe (202) is provided with a feeding hopper (203).

5. The apparatus for blending biomass fuel for firing as claimed in claim 1 wherein: The side end surface of the feeding box (201) is provided with a feeding pipe (202) at the lower part, and the feeding pipe (202) is provided with a feeding hopper (203).

6. The apparatus for blending biomass fuel for firing according to claim 1, wherein: The upper end surface of the mixing tank (101) is welded with a mounting plate (301), the mounting plate (301) is L-shaped, the lower end of the mounting plate (301) is provided with a driving device (302), and the main shaft of the driving device (302) is connected with the shaft of the first rotating shaft (105).

7. A device for incorporating biomass fuel into a mixture as claimed in claim 6, wherein: The main shaft of the driving device (302) is provided with a driving belt pulley (303), the driving belt pulley (303) is provided with two driving belt pulleys (303), and the driving belt pulleys (303) and the driven belt pulley (206) are provided with a transmission belt (304).

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