Feeding device of biomass direct combustion furnace

Abstract

The utility model discloses a feeding device of a biomass direct combustion furnace, which comprises a switching box, a first feeding port is arranged on the upper portion of the switching box, a feeding cavity and a plurality of discharging cavities are arranged in the switching box, a feeding box corresponding to the discharging cavities is arranged below the switching box, and the feeding box comprises a feeding cavity, a second feeding port and a second discharging port. The discharging cavity and the feeding cavity are communicated or blocked through the second feeding port, and the second discharging port is communicated with the feeding cavity. According to the utility model, the switching box is arranged, so that the combustion medium conveyed into the switching box can be switched and discharged, the combustion medium falls into different feeding boxes, the feeding boxes are used for feeding the corresponding boilers, and the feeding efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biomass direct combustion furnace feeding technology, more particularly to a biomass direct combustion furnace feeding device. BACKGROUND

[0002] The hot water or steam generated in the direct combustion furnace can directly provide the required heat energy for industrial production and people's life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electrical energy through a generator, according to the different combustion media, which can be divided into biomass direct combustion furnace, coal direct combustion furnace and the like.

[0003] The biomass direct combustion furnace is a direct combustion furnace taking biomass energy as fuel, and the combustion medium is sludge, wood chips and the like, which is continuously input into the direct combustion furnace through the feeding system for combustion.

[0004] The current feeding system is mostly single straight line feeding, that is, a straight line feeding system supplies one direct combustion furnace, and the feeding efficiency is low, so it is urgent to improve it. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the deficiency of the prior art, providing a biomass direct combustion furnace feeding device, which can switch the combustion medium conveyed into the switching box, make the combustion medium fall into different feeding tanks, and supply the corresponding boiler through the feeding tank, so as to improve the feeding efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a biomass direct combustion furnace feeding device, comprising a switching box, a first feeding port is arranged on the upper part of the switching box, a feeding cavity and a plurality of discharging cavities are arranged in the switching box, a feeding tank corresponding to the discharging cavity is arranged below the switching box, the feeding tank comprises a feeding cavity, a second feeding port and a second discharging port, the discharging cavity and the feeding cavity are communicated or blocked through the second feeding port, and the second discharging port is communicated with the feeding cavity.

[0007] Further, a rotating shaft capable of rotating is arranged in the switching box, a plurality of baffles are arranged on the periphery of the rotating shaft, the baffles are matched with the gap in the switching box, the number of the discharging cavities is two, and the feeding cavity and the two discharging cavities are separated by the baffles.

[0008] Further, a first discharging port is arranged at the lower part of the discharging cavity, and the first discharging port is located at the upper part of the first feeding port.

[0009] Further, the first discharging port and the feeding cavity are communicated or blocked through a valve, the valve comprises a push plate and an air cylinder, the end of the telescopic rod of the air cylinder is connected with the push plate, and the push plate can be inserted into or separated from the second feeding port.

[0010] Further, the lower part of the discharging cavity is provided with a groove, the upper part of the first discharging port is located in the groove, and the bottom surface of the groove is inclined towards the first discharging port.

[0011] Further, the feeding cavity is provided with a spiral feeding roller, and the outer side of the feeding box is provided with a driver connected with the spiral feeding roller and capable of driving the spiral feeding roller to rotate.

[0012] Further, the lower part of the second discharging port is connected with a discharging pipe.

[0013] Further, the gas pump is further connected with the discharging pipe through a gas supply pipe.

[0014] Further, the conveying belt is provided, and the discharging area of the conveying belt is located above the first feeding port.

[0015] Further, the lower part of the switching box is provided with a support.

[0016] In summary, the present application has the following advantages:

[0017] 1. In the embodiment, the sludge in the switching box can be switched and fed by rotating the rotating shaft, so that the sludge can fall into the two feeding boxes respectively, thereby feeding the respective boilers, and the feeding efficiency is high.

[0018] 2. When feeding the boiler, the gas pump can be opened, the air sucked by the gas pump is transmitted to the discharging pipe through the gas supply pipe, and is transported into the boiler together with the sludge in the discharging pipe, thereby effectively improving the combustion efficiency of the sludge, making the sludge combustion more sufficient, and reducing the smoke generated by the sludge combustion. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the embodiment;

[0020] Figure 2 It is a top view of the embodiment;

[0021] Figure 3 It is a sectional view of the feeding switching mechanism;

[0022] Figure 4 It is a sectional view of the embodiment;

[0023] Figure 5 It is Figure 4 It is an enlarged view at A.

[0024] Fig. 1 is a switching box; 11 is a feeding cavity; 12 is a discharging cavity; 13 is a first feeding port; 14 is a first discharging port; 15 is a groove; 16 is a support; 2 is a rotating shaft; 21 is a baffle; 3 is a feeding box; 31 is a feeding cavity; 32 is a spiral feeding roller; 33 is a driver; 34 is a second feeding port; 35 is a second discharging port; 4 is a discharging pipe; 5 is a valve; 51 is a push plate; 52 is a pneumatic cylinder; 6 is a gas pump; 61 is a gas supply pipe; 7 is a conveyor belt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] As shown in the drawings, Figures 1 to 5 The present embodiment discloses a biomass direct combustion furnace feeding device, which comprises a switching box 1 and a conveyor belt 7. The conveyor belt 7 is a prior art, and the combustion medium is dry sludge. The sludge is conveyed into the switching box 1 by the conveyor belt 7 after drying.

[0027] The lower part of the switching box 1 is provided with a support 16. The switching box 1 is suspended and fixed on the ground through the support 16. The upper part of the switching box 1 is provided with a first feeding port 13. The switching box 1 is provided with one feeding cavity 11 and multiple discharging cavities 12. The first feeding port 13 is in communication with the feeding cavity 11. The discharging area of the conveyor belt 7 is located above the first feeding port 13. The sludge of the conveyor belt 7 can fall into the feeding cavity 11 through the first feeding port 13.

[0028] As shown in the drawings, Figure 3 The number of discharging cavities 12 is two. The switching box 1 is internally provided with a rotating shaft 2. The rotating shaft 2 is provided with multiple baffles 21 on the side. The baffles 21 are in clearance fit with the inside of the switching box 1. One feeding cavity 11 and two discharging cavities 12 are formed by the baffles 21. The rotating shaft 2 is connected with an external motor. The rotating shaft 2 is driven to rotate forward and reverse by the motor, so that the sludge in the feeding cavity 11 can be respectively conveyed into the two discharging cavities 12. Specifically, when the rotating shaft 2 rotates clockwise, the sludge in the feeding cavity 11 can be conveyed into the right discharging cavity 12. When the rotating shaft 2 rotates counterclockwise, the sludge in the feeding cavity 11 can be conveyed into the left discharging cavity 12.

[0029] As shown in the drawings, Figure 2As shown, the switching box 1 is provided below with two feeding boxes 3 corresponding to the discharge cavities 12, that is, the number of feeding boxes 3 is two, and the sludge falling from the discharge cavities 12 can enter the feeding boxes 3, so that the corresponding boilers are fed through the feeding boxes 3. In the embodiment, through the rotation of the rotating shaft 2, the sludge entering the switching box 1 can be switched and fed, so that the sludge can fall into the two feeding boxes 3 respectively, thereby feeding the respective boilers, and the feeding efficiency is high.

[0030] The conveying belt 7 is in T-shaped distribution with the two feeding boxes 3, compared with the linear feeding in the prior art, the embodiment is T-shaped feeding, the feeding efficiency is high, and the land occupation area is small.

[0031] As shown in Figure 4 and Figure 5 The feeding box 3 comprises a feeding cavity 31, a second feeding port 34 and a second discharge port 35, the discharge cavity 12 is communicated or blocked with the feeding cavity 31 through the second feeding port 34, specifically, the lower part of the discharge cavity 12 is provided with the first discharge port 14, the first discharge port 14 is located at the upper part of the first feeding port 13, the first discharge port 14 is communicated or blocked with the feeding cavity 31 through the valve 5, the valve 5 comprises a push plate 51 and an air cylinder 52, the telescopic rod end of the air cylinder 52 is connected with the push plate 51, the push plate 51 can be moved to insert into or separate from the second feeding port 34, when it is needed to feed the feeding cavity 31, the push plate 51 is moved by the air cylinder 52 to separate from the second feeding port 34, the corresponding first discharge port 14 is communicated with the feeding cavity 31, and the sludge can enter the feeding cavity 31 from the first discharge port 14.

[0032] The lower part of the discharge cavity 12 is provided with a groove 15, the upper part of the first discharge port 14 is located in the groove 15, and the bottom surface of the groove 15 is inclined to the first discharge port 14, when the rotating shaft 2 rotates, the sludge in the switching box 1 can be pushed by the baffle 21, when the sludge moves to the groove 15, it can fall into the groove 15 and be discharged through the first discharge port 14.

[0033] The second discharge port 35 is communicated with the feeding cavity 31, the feeding cavity 31 is provided with a spiral feeding roller 32, and the feeding box 3 is provided with a driver 33 outside, the driver 33 is a prior art, the driver 33 is connected with the spiral feeding roller 32 and can drive the spiral feeding roller 32 to rotate, and the lower part of the second discharge port 35 is connected with the discharge pipe 4.

[0034] When the boiler needs to be supplied, the dry sludge is conveyed into the switching box 1 through the conveying belt 7, the rotation of the rotating shaft 2 driven by the motor makes the baffle 21 push the sludge in the switching box 1 to move to the corresponding discharge cavity 12 and fall into the groove 15, the sludge in the groove 15 enters the feeding cavity 31 through the first discharge port 14 and the second feeding port 34 in turn, the rotation of the spiral feeding roller 32 driven by the driver 33 conveys the sludge below the second feeding port 34 to the second discharge port 35 and falls into the discharge pipe 4 from the second discharge port 35, and finally enters the boiler for combustion.

[0035] The embodiment also comprises the air pump 6 corresponding to the feeding box 3, the outlet end of the air pump 6 is connected with the discharge pipe 4 through the air supply pipe 61, when the boiler is supplied, the air pump 6 can be opened, the air sucked by the air pump 6 is transmitted into the discharge pipe 4 through the air supply pipe 61 and is conveyed into the boiler together with the sludge in the discharge pipe 4, which can effectively improve the combustion efficiency of the sludge, make the sludge combustion more sufficient and reduce the flue gas generated by the sludge combustion.

[0036] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above embodiment, any technical scheme under the idea of the present application belongs to the protection scope of the present application. It should be pointed out that, for the ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.

Claims

1. A biomass direct combustion furnace feed device, characterized by, The utility model provides a switching box (1) is provided with first feeding port (13) on the upper portion, is equipped with a feeding cavity (11) and a plurality of discharge cavities (12) in switching box (1), first feeding port (13) communicates with feeding cavity (11), and the switching box (1) is provided with the feeding tank (3) corresponding with discharge cavity (12) below, and the feeding tank (3) includes feeding cavity (31), second feeding port (34) and second discharge port (35), and the discharge cavity (12) communicates or blocks with feeding cavity (31) through second feeding port (34), and second discharge port (35) communicates with feeding cavity (31).

2. A biomass direct combustion furnace feeding device according to claim 1, characterized in that, The switching box (1) is internally provided with a rotating shaft (2), the rotating shaft (2) is provided with a plurality of baffles (21) on the side, the baffle (21) is matched with the clearance in the switching box (1), the number of the discharge cavity (12) is two, and one feeding cavity (11) and two discharge cavities (12) are separated by the baffle (21) and form.

3. A biomass direct combustion furnace feeding device according to claim 2, characterized in that, The lower portion of the discharge cavity (12) is provided with a first discharge port (14), and the first discharge port (14) is located on the upper portion of the first feeding port (13).

4. The biomass direct combustion furnace feeding device according to claim 3, characterized in that, The first discharge port (14) communicates or blocks with the feeding cavity (31) through the valve (5), the valve (5) includes a push plate (51) and a pneumatic cylinder (52), the telescopic rod end of the pneumatic cylinder (52) is connected with the push plate (51), and the push plate (51) can be inserted into the second feeding port (34) or separated from the second feeding port (34).

5. The biomass direct combustion furnace feeding device according to claim 3, wherein, The lower portion of the discharge cavity (12) is provided with a groove (15), and the upper portion of the first discharge port (14) is located in the groove (15), and the bottom surface of the groove (15) is inclined to the first discharge port (14).

6. A biomass direct combustion furnace feeding device according to claim 2, characterized in that, The feeding cavity (31) is provided with a spiral feeding roller (32), and the feeding tank (3) is provided with a driver (33) outside, the driver (33) is connected with the spiral feeding roller (32) and can drive the spiral feeding roller (32) to rotate.

7. The biomass direct combustion furnace feeding device according to claim 1, characterized in that, The lower portion of the second discharge port (35) is connected with a discharge pipe (4).

8. A biomass direct combustion furnace feeding device according to claim 7, characterized in that, Further comprising a gas pump (6) corresponding to the feeding tank (3), and the outlet end of the gas pump (6) is connected with the discharge pipe (4) through a gas supply pipe (61).

9. The biomass direct combustion furnace feeding device according to claim 2, characterized in that, Further comprising a conveyor belt (7), and the discharging area of the conveyor belt (7) is located above the first feeding port (13); and the conveyor belt (7) is distributed in T shape with two feeding tanks (3).

10. The biomass direct combustion furnace feeding device according to claim 1, characterized in that, The lower portion of the switching box (1) is provided with a support (16).

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