CN212584951U - Rotary kiln for burning solid waste - Google Patents

Abstract

The utility model relates to a rotary kiln for burning solid waste, which relates to the field of incinerator, adopts the rotation action of a rotating rod and a cutting plate to support combustion of garbage in the burning process and reduce the speed of depositing dust on the furnace wall, and comprises a furnace body, a filling opening, angle steel, a left sliding door, a right sliding door, a dust falling opening and a round corner surface, wherein one side of the top of the furnace body is welded with an exhaust pipe, the other side of the top of the furnace body is welded with a feeding seat, the bottom of the furnace body is provided with the filling opening, one side of the filling opening is welded with an air inlet pipe, the top of the furnace body is welded with a mounting plate through four welding pipes, the bottom surface of the mounting plate is provided with a motor, a rotating shaft is arranged on the motor shaft of the motor, and when the cutting plate rotates, flying dust which is upwards thrown out in the burning process can be cut into pieces to accelerate the upwards discharge speed of the flying dust, and the dust, therefore, the paper sheets can not be stuck on the furnace wall like paper sheets in the lifting process.

Description

Rotary kiln for burning solid waste

Technical Field

The utility model relates to an burn burning furnace technical field, concretely relates to solid waste burns and uses rotary kiln.

Background

The incinerator can be divided into a single chamber incinerator and a multi-chamber incinerator according to the classification of incineration chambers, a furnace body can be divided into a downstream type, a reverse flow type and a secondary flow type according to the relation between the moving directions of combustion smoke and garbage, and Chinese patent CN201721813628.9 discloses a waste rotary kiln incinerator which comprises a furnace body; the outer ring body comprises an air inlet ring and an air outlet ring, and an air inlet pipe is distributed on the inner wall of the air inlet ring; the inner wall of the gas outlet ring is distributed with gas outlet pipes; the first air guide pipe is communicated with the air inlet ring; a second air duct; the air inlet mechanism comprises an air blower, a filter screen and an air outlet box, and the air outlet box is communicated with the second air guide pipe; the filter screen is arranged inside the air outlet box, and the bottom of the air outlet box is communicated with the air blower; an air outlet pipe; a vent hole; the feeding mechanism is communicated with the inlet of the furnace body; and the sealing plate is fixed at the outlet of the furnace body.

When the incinerator is used, the generated flying cotton can be blown out upwards quickly through the air holes distributed at the bottom in an annular mode, when the flying cotton formed by combustion upwards flies from the bottom of the furnace chamber, a large amount of flying cotton can be attached to the furnace wall, so that the ash layer of the furnace wall can be thickened in a short period, and due to the fact that the air holes at the bottom of the incinerator are large, after the incinerator is stopped, the block-shaped flying cotton remaining in the furnace chamber is lost weight and falls down, the air holes can be blocked possibly, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned current problem, an object of the utility model is to provide a solid waste burns and uses rotary kiln, can make the interior rubbish of stove mix burning the in-process, increase the air flow, improve combustion quality, still can cut up the flying wadding form dust that upwards raises out among the combustion process when wherein the cutting plate is rotatory for their speed of upwards discharging reduces its probability of puting up in the oven, and the structure is more reasonable.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a solid waste burns and uses rotary kiln, includes the furnace body, the top one side of furnace body runs through the welding and has a blast pipe, the top opposite side of furnace body runs through the welding and has throws the material seat, the filler opening has been seted up to the bottom of furnace body, one side of filler opening runs through there is the intake pipe, the top surface of furnace body has the mounting panel through four welded tube welding, the motor is installed to the bottom surface of mounting panel, install the pivot on the motor shaft of motor, the pivot stretches into in the furnace body, the bottom welding of furnace body has the welding ring, the inboard welding of welding ring has the round reinforcing bar, the middle part top surface welding of reinforcing bar has the bearing, the reinforcing bar is located the furnace body, and just is located the top in filler opening place packing chamber, the bottom of pivot assembles in the bearing, the peripheral welding of pivot has.

Preferably, the rotating rod is of a curvature rod structure, and the bottom end of the rotating rod is in a multi-section bending design.

Preferably, the cutting plate is of a curvature plate structure, the cross section of the cutting plate is of a prismatic structure, and the cutting plate and the rotating rod are arranged in a staggered mode.

Preferably, the bottom of the furnace body is provided with a square ash falling port, and the inner edge of the ash falling port is provided with a round corner surface.

Preferably, the bottom surface of the furnace body is welded with a front angle steel and a rear angle steel, a left sliding door and a right sliding door are in sliding fit between the two angle steels, and the left sliding door and the right sliding door are located at the bottom of the ash falling port.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the rotary shaft is arranged in the furnace chamber of the rotary kiln, the rotary shaft and the cutting plate are arranged on the rotary shaft, so that garbage in the rotary kiln can be stirred in the burning process, the air flow is increased, the burning quality is improved, the flying flocculent dust which is upwards raised in the burning process can be cut up when the cutting plate rotates, the upwards discharging speed of the flying flocculent dust is accelerated, the flying flocculent dust is not generated in the upwards raising process, and therefore the flying flocculent dust cannot be attached to the furnace wall like paper sheets in the raising process, the dust storage speed of the furnace wall can be reduced, and the structure is more reasonable.

(2) The furnace body bottom is provided with the row ash mouth of opposite pulling formula, can directly discharge the dust rubbish that forms in the bottom behind the burning rubbish downwards, convenient operation to it is heavy chamber structure to open the sliding door with the bottom to arrange the ash mouth, can improve the volume of depositing of dust, and is rational in infrastructure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention from fig. 1;

FIG. 3 is a schematic structural view of the bottom ash discharge part of the present invention;

fig. 4 is a bottom schematic view of the present invention from fig. 3;

FIG. 5 is a schematic view of the inner structure of the utility model after being cut open;

fig. 6 is a schematic view of the present invention from the bottom view of fig. 5;

fig. 7 is a schematic structural view of the cutting plate of the present invention.

Description of the main reference numerals:

1. a furnace body; 2. an air inlet pipe; 3. a feeding seat; 4. an exhaust pipe; 5. mounting a plate; 6. a motor; 7. a rotating shaft; 8. a rotating rod; 9. cutting a plate; 10. welding a ring; 11. reinforcing steel bars; 12. a filling opening; 13. angle steel; 14. a left-hand door; 15. a right-hand door; 16. a dust falling port; 17. a rounded corner surface.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the technical personnel in the field without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case to those skilled in the art.

Referring to the attached drawings 1-7, a rotary kiln for burning solid waste comprises a kiln body 1, an exhaust pipe 4 for discharging dust gas outwards is welded on one side of the top of the kiln body 1 in a penetrating manner, the outer end of the exhaust pipe 4 is generally connected to a flue gas treatment device in practical application, a feeding seat 3 for feeding waste garbage is welded on the other side of the top of the kiln body 1 in a penetrating manner, a filling opening 12 for filling and burning raw materials is arranged at the bottom of the kiln body 1, such as coal blocks, an air inlet pipe 2 is arranged on one side of the filling opening 12 in a penetrating manner, the air inlet pipe 2 is connected with an external existing air compressor gas pipeline in practical application, and combustion waste is continuously fed with combustion-supporting gas, which is different from the prior art: as shown in fig. 1, a mounting plate 5 is welded on the top surface of a furnace body 1 through four welding pipes, a motor 6 is installed on the bottom surface of the mounting plate 5, a rotating shaft 7 is installed on a motor shaft of the motor 6, the rotating shaft 7 extends into the furnace body 1, a rotating mechanism is arranged in the furnace body 1, similar to a stirrer, the motor 6 is electrically connected with an external power supply and an operation panel installed outside the furnace body 1, which is a conventional prior art control technology, and not described in detail herein, a welding ring 10 is welded on the bottom of the furnace body 1, a circle of steel bars 11 are welded on the inner side of the welding ring 10, a top cavity of the steel bars 11 is used for dropping incinerated garbage, a bottom cavity of the steel bars 11 is used for throwing combustion raw materials, such as coal blocks, the garbage in a top furnace chamber can be incinerated during combustion, a bearing is welded on the top surface of the middle part of the steel bars 11, the garbage burned in the upper cavity forms slow stirring in the burning process so as to help bottom combustion-supporting gas to be introduced into the garbage to achieve the purpose of better burning, therefore, a circle of rotating rod 8 and a circle of cutting plate 9 are welded at the periphery of the rotating shaft 7, and the cutting plate 9 can also cut flying-like dust which is upwards thrown out in the burning process when rotating to accelerate the upwards discharging speed of the flying-like dust, so that the flying-like dust is not stuck to the furnace wall like paper in the upwards rising process, the dust storage speed of the furnace wall can be reduced, and the functional structure is more reasonable.

Specifically, as shown in fig. 5 and 6, the rotating rod 8 is a curvature rod structure, the bottom end of the rotating rod 8 is designed to be multi-section bent, when the rotating rod 8 rotates along with the rotating shaft 7, the garbage waste in the furnace body 1 is slowly stirred, and the combustion-supporting gas injected by the bottom air inlet pipe 2 can better penetrate through the waste in the combustion process of the garbage waste, so that the combustion-supporting gas can achieve the purpose of better combustion.

Specifically, as shown in fig. 5, 6 and 7, the cutting plate 9 is a curvature plate structure, the cross section of the cutting plate is a prismatic structure, the cutting plate 9 and the rotating rod 8 are arranged in a staggered manner, when the cutting plate 9 rotates along with the rotating shaft 7, the cutting plate not only has the same function as the rotating rod 8, but also can cut flying dust which is upwards thrown in the combustion process when the cutting plate 9 rotates, the upwards discharging speed of the flying dust is increased, and the dust is not flying in the upwards throwing process any more, so that the flying dust cannot be attached to the furnace wall like paper in the upwards throwing process.

Specifically, as shown in fig. 2, 3 and 4, a square ash falling port 16 is opened at the bottom of the furnace body 1 for allowing a large amount of ash formed after incineration to fall through the ash falling port 16, and a round surface 17 facilitating dust falling is provided at an inner edge of the ash falling port 16.

Specifically, as shown in fig. 2 and 4, two front and rear angle steels 13 are welded on the bottom surface of the furnace body 1, a left sliding door 14 and a right sliding door 15 are in sliding fit between the two angle steels 13, the left sliding door 14 and the right sliding door 15 are located at the bottom of the ash falling opening 16, a cavity type ash falling part is formed, the storage capacity of dust can be improved, the structure is reasonable, the left sliding door 14 and the right sliding door 15 can directly discharge the dust downwards after being opened and pulled towards two sides, and the operation is convenient.

The working principle is as follows: garbage wastes are thrown into the furnace body 1 from the feeding seat 3 and are positioned in a top furnace chamber of the reinforcing steel bar 11, when a combustion raw material added into the bottom furnace chamber of the reinforcing steel bar 11 is combusted, the wastes in the top furnace chamber can be incinerated, after a motor 6 in the prior art is electrified to work, a rotating shaft 7 is driven to rotate at a slow speed with a rotating rod 8, as the rotating rod 8 is of a curvature rod structure and the bottom end of the rotating rod is designed to be bent in multiple sections, the garbage wastes in the furnace body 1 can be stirred at a slow speed when the rotating rod 8 rotates along with the rotating shaft 7, and the garbage wastes are stirred in the combustion process, so that combustion-supporting gas injected from a bottom air inlet pipe 2 can better pass between the wastes, the wastes can be better combusted, meanwhile, a cutting plate 9 which rotates can also play the same role as the rotating rod 8, and flying-like dust raised upwards in the combustion process can be cut up when the cutting plate 9 rotates, the upward discharging speed of the dust is accelerated, and the dust is not in a flying flocculent state any more in the upward lifting process, so that the dust is not attached to the furnace wall like paper in the upward lifting process, and the dust laminating speed of the inner wall of the furnace body 1 can be effectively reduced.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (5)

1. The utility model provides a solid waste burns and uses rotary kiln, includes furnace body (1), the top one side of furnace body (1) runs through the welding and has a blast pipe (4), the top opposite side of furnace body (1) runs through the welding and has throws material seat (3), filler opening (12) have been seted up to the bottom of furnace body (1), one side of filler opening (12) runs through has intake pipe (2), its characterized in that: the top surface of furnace body (1) has mounting panel (5) through four welded tube welding, motor (6) are installed to the bottom surface of mounting panel (5), install pivot (7) on the motor shaft of motor (6), pivot (7) stretch into in furnace body (1), the bottom welding of furnace body (1) has welding ring (10), the inboard welding of welding ring (10) has round reinforcing bar (11), the middle part top surface welding of reinforcing bar (11) has the bearing, reinforcing bar (11) are located furnace body (1), and just are located the top in filler hole (12) place packing chamber, the bottom of pivot (7) assembles in the bearing, the peripheral welding of pivot (7) has round bull stick (8) and round cutting plate (9).

2. The rotary kiln for solid waste incineration as claimed in claim 1, wherein the rotary rod (8) is of a curved rod structure, and the bottom end of the rotary rod is of a multi-section bent design.

3. The rotary kiln for solid waste incineration as claimed in claim 1, wherein the cutting plate (9) is of a curvature plate structure with a prismatic cross section, and the cutting plate (9) and the rotating rod (8) are arranged in a staggered manner.

4. The rotary kiln for incinerating solid waste according to claim 1, wherein the bottom of the kiln body (1) is provided with a square ash falling opening (16), and the inner edge of the ash falling opening (16) is provided with a round corner surface (17).

5. The rotary kiln for incinerating solid waste according to claim 1, wherein two front and rear angle steels (13) are welded to the bottom surface of the kiln body (1), a left sliding door (14) and a right sliding door (15) are slidably fitted between the two angle steels (13), and the left sliding door (14) and the right sliding door (15) are located right at the bottom of the ash falling port (16).

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