CN209910371U

CN209910371U - Self-heating rotary kiln

Info

Publication number: CN209910371U
Application number: CN201920455628.9U
Authority: CN
Inventors: 赵晓峰; 李开功
Original assignee: Yancheng Xingang Environmental Protection Technology Co Ltd
Current assignee: Yancheng Xingang Environmental Protection Technology Co Ltd
Priority date: 2019-04-05
Filing date: 2019-04-05
Publication date: 2020-01-07
Anticipated expiration: 2029-04-05

Abstract

The utility model discloses a self-heating type rotary kiln, including rotary kiln main part and ring, rotary kiln main part's outer wall has three ring from a left side to right interference fit, rotary kiln main part's inner wall welding has the baffle, rotary kiln main part's outer wall right side interference fit has the drum, the opening has been seted up to the outer wall of drum, the inboard of opening extends to rotary kiln main part's outer wall, the passageway that sets up along left and right directions is seted up to the left side bottom of opening, rotary kiln main part's inner chamber left side has the blast pipe of L font structure with the corresponding position interference fit of passageway, and the one end of blast pipe extends to the inner chamber of passageway, the other end screw connection of blast pipe has the gas distribution board. This self-heating formula rotary kiln can improve material programming rate, and it is effectual to calcine, has improved rotary kiln's work efficiency, can carry out recycle to the heat in the exhaust flue gas simultaneously, practices thrift a large amount of resources, is favorable to extensively promoting.

Description

Self-heating rotary kiln

Technical Field

The utility model relates to a rotary kiln technical field specifically is a self-heating rotary kiln.

Background

The rotary kiln is also called as a rotary calcining kiln, is a large-scale equipment in core industry, is widely applied to the production industries of building materials, metallurgy, chemical industry, environmental protection and the like, and has the function of calcining materials in the kiln by utilizing rotation and internal high temperature so as to form finished ore.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-heating rotary kiln to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the self-heating rotary kiln comprises a rotary kiln body and circular rings, wherein the outer wall of the rotary kiln body is provided with three circular rings in a way of interference fit from left to right, the inner wall of the rotary kiln body is welded with a baffle plate, the right side of the outer wall of the rotary kiln body is provided with a cylinder in an interference fit manner, the outer wall of the cylinder is provided with an opening, the inner side of the opening extends to the outer wall of the rotary kiln body, the left bottom end of the opening is provided with a channel arranged along the left-right direction, the left side of the inner cavity of the rotary kiln body is provided with an exhaust pipe in an L-shaped structure in an interference fit manner with the corresponding position of the channel, one end of the exhaust pipe extends to the inner cavity of the channel, the other end of the exhaust pipe is in screwed connection with a gas distribution plate, the outer wall of the cylinder is sleeved with a hollow ring, the inner wall, the left side and the right side of the hollow ring are welded with T-shaped rods, the left side and the right side of the outer wall of the cylinder are provided with annular chutes corresponding to the T-shaped rods, slide blocks welded with the T-shaped rods are embedded in the inner cavities of the annular chutes, the outer wall of the hollow ring is respectively welded with a support and a base from top to bottom along the vertical direction, the top end of the base is connected with an air blower through screws, an air outlet pipe is clamped at the air outlet of the air blower, the bottom end of the air outlet pipe extends to the inner cavity of the hollow ring, an air inlet pipe is clamped at the air inlet of the air blower, the right side of the outer wall of the rotary kiln body is connected with a discharge box through a shaft, the bottom end of the discharge box is provided with a discharge port, the top end of the discharge box is connected with a rectangular box through screws, concave, and paste all around the door plant and have the sealing strip to seal it, the top central point of rectangle case put the welding have with the communicating first connecting pipe of the inner chamber of rectangle case, and the top and the intake pipe looks joint of first connecting pipe, the inner chamber of first connecting pipe communicates with each other with the inner chamber of intake pipe, the bottom central point of rectangle case puts the welding have with the communicating second connecting pipe of the inner chamber of rectangle case, the bottom of second connecting pipe extends to the inner chamber welding of ejection of compact case and has hollow slab, and the inner chamber of second connecting pipe communicates with each other with the inner chamber of hollow slab, the communicating filtration pore of a plurality of and hollow slab's inner chamber has been seted up to hollow slab's lower surface.

Preferably, six baffles are welded on the inner wall of the rotary kiln body and are distributed on the circumference of the inner wall of the rotary kiln body at intervals of 60 degrees clockwise.

Preferably, six through openings are formed in the circumference of the outer wall of the cylinder, the six through openings are distributed on the circumference of the outer wall of the cylinder at intervals of 60 degrees clockwise, and the six through openings are respectively located at every two outer sides between the baffles.

Preferably, two T-shaped rods are welded on the left side and the right side of the hollow ring, and the two T-shaped rods are distributed on the circumference of the outer wall of the left side and the right side of the hollow ring at intervals of 180 degrees clockwise.

Preferably, the annular sliding groove and the sliding block are both in a dovetail shape.

Preferably, the filter screen includes the active carbon filter screen, the top screw connection of active carbon filter screen has graphite oxide filter membrane, graphite oxide filter membrane's top screw connection has the cavity silk filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: the self-heating rotary kiln is characterized in that external air and smoke with heat are sucked and discharged into an inner cavity of a hollow ring through the connection of an external power supply of an air blower and the cooperation of an air inlet pipe, a first connecting pipe, a second connecting pipe, the hollow plate and an air outlet pipe, the smoke can be filtered through a filter screen, the gas in the inner cavity of the hollow ring can be discharged in a rotational flow mode through a gas distribution plate through the cooperation of an opening, a channel, an exhaust pipe and the gas distribution plate, the animal feed can be conveyed to a certain height to be sprayed through a baffle when a rotary kiln body rotates, the temperature in the rotary kiln body is gradually reduced from calcination to calcination, the filtered air with heat can be discharged from the gas distribution plate after being reheated, the sprayed feed can be sufficiently heated, the material heating rate can be increased, the calcination effect is good, and the working efficiency of the rotary kiln is improved, meanwhile, the heat in the discharged flue gas can be recycled, a large amount of resources are saved, and the method is favorable for wide popularization.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a schematic diagram of a right-side sectional view of the rotary kiln main body, the circular ring and the hollow ring;

fig. 3 is a schematic view of the filter screen according to the present invention.

In the figure: 1. the rotary kiln comprises a rotary kiln body, 2, a circular ring, 3, a baffle, 4, a cylinder, 5, an opening, 6, a channel, 7, an exhaust pipe, 8, a gas distribution plate, 9, a hollow ring, 10, a T-shaped rod, 11, an annular sliding groove, 12, a sliding block, 13, a base, 14, a support, 15, an air blower, 16, an air outlet pipe, 17, an air inlet pipe, 18, a discharge box, 19, a rectangular box, 20, a filter screen, 201, an activated carbon filter screen, 202, a graphene oxide filter film, 203, a hollow wire filter screen, 21, a first connecting pipe, 22, a second connecting pipe, 23 and a hollow plate.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: a self-heating rotary kiln comprises a rotary kiln body 1 and circular rings 2, the outer wall of the rotary kiln body 1 is provided with three circular rings 2 in interference fit from left to right, a baffle 3 is welded on the inner wall of the rotary kiln body 1, materials can be conveniently driven to roll and fall through the baffle 3, the right side of the outer wall of the rotary kiln body 1 is provided with a circular cylinder 4 in interference fit, the outer wall of the circular cylinder 4 is provided with an opening 5, the inner side of the opening 5 extends to the outer wall of the rotary kiln body 1, the left bottom end of the opening 5 is provided with a channel 6 arranged along the left-right direction, the left side of the inner cavity of the rotary kiln body 1 is provided with an exhaust pipe 7 in an interference fit with the corresponding position of the channel 6, one end of the exhaust pipe 7 extends to the inner cavity of the channel 6, the other end of the exhaust pipe 7 is in screwed connection with a gas distribution plate 8, the outer wall of the circular cylinder 4 is sleeved, the inner cavity of the hollow ring 9 is communicated with the inner cavity of the through hole 5, the gas discharged into the inner cavity of the hollow ring 9 can be conveniently discharged from the gas distribution plate 8 in a rotational flow mode through the through hole 5, the channel 6, the exhaust pipe 7 and the gas distribution plate 8, the T-shaped rods 10 are welded on the left side and the right side of the hollow ring 9, the annular sliding grooves 11 are formed in the positions, corresponding to the T-shaped rods 10, on the left side and the right side of the outer wall of the cylinder 4, the sliding blocks 12 welded with the T-shaped rods 10 are embedded in the inner cavity of the annular sliding grooves 11, the stable movement of the cylinder 4 can be facilitated through the matching of the sliding grooves 11 and the sliding blocks 12, the support 14 and the base 13 are respectively welded on the outer wall of the hollow ring 9 from top to bottom in the vertical direction, the top end of the base 13 is connected with the air blower 15 through screws, the type of the air blower, the air inlet of the air blower 15 is connected with an air inlet pipe 17 in a clamping manner, the air inlet pipe 17 can suck outside air conveniently, the right side of the outer wall of the rotary kiln body 1 is connected with a discharge box 18 in a shaft manner, the bottom end of the discharge box 18 is provided with a discharge hole, the top end of the discharge box 18 is connected with a rectangular box 19 in a screw manner, concave plates are welded on the left side and the right side of the inner cavity of the rectangular box 19, a filter screen 20 is inserted in the inner cavity of the concave plates, smoke with heat can be filtered conveniently through the filter screen 20, the front side of the rectangular box 19 is hinged with a door plate, the periphery of the door plate is pasted with a sealing strip to seal the door plate, the filter screen 20 in the inner cavity of the rectangular box 19 can be cleaned and replaced conveniently through the door plate, a first connecting pipe 21 communicated with the inner cavity of the rectangular box 19 is welded at the center position of the top end of the, the inner chamber of first connecting pipe 21 communicates with each other with the inner chamber of intake pipe 17, the bottom central point of rectangle case 19 puts the welding have with the communicating second connecting pipe 22 of the inner chamber of rectangle case 19, the bottom of second connecting pipe 22 extends to the inner chamber welding of ejection of compact case 18 and has hollow plate 23, and the inner chamber of second connecting pipe 22 communicates with each other with the inner chamber of hollow plate 23, the lower surface of hollow plate 23 is seted up a plurality of and the communicating filtration pore of the inner chamber of hollow plate 23, through first connecting pipe 21, second connecting pipe 22 and hollow plate 23 can be convenient for air-blower 15 will have thermal flue gas to inhale.

As a preferred scheme, furthermore, six baffles 3 are welded on the inner wall of the rotary kiln body 1, and the six baffles 3 are distributed on the circumference of the inner wall of the rotary kiln body 1 at intervals of 60 degrees clockwise, so that the materials can be repeatedly driven to rotate in the inner cavity of the rotary kiln body 1 by a certain height and then be sprinkled.

As a preferred scheme, furthermore, six through openings 5 are formed in the circumference of the outer wall of the cylinder 4, the six through openings 5 are distributed on the circumference of the outer wall of the cylinder 4 at intervals of 60 degrees clockwise, and the six through openings 5 are respectively located on the outer side between every two baffles 3, so that the material temperature rising speed of the inner cavity of the rotary kiln body 1 is increased conveniently.

Preferably, two T-shaped bars 10 are welded to the left and right sides of the hollow ring 9, and the two T-shaped bars 10 are distributed on the outer wall circumference of the left and right sides of the hollow ring 9 at intervals of 180 degrees clockwise, so that the cylinder 4 can rotate more stably inside the hollow ring 9.

Preferably, the annular sliding groove 11 and the sliding block 12 are both dovetail-shaped, so that the sliding block 12 can stably slide in the inner cavity of the sliding groove 11, and the sliding block 12 is prevented from falling off from the sliding groove 11.

As a preferred scheme, further, the filter screen 20 includes an activated carbon filter screen 201, the activated carbon filter screen 201 has better aerodynamic performance, small volume density, large specific surface area, high adsorption efficiency, and small wind resistance coefficient, a top end screw of the activated carbon filter screen 201 is connected with a graphene oxide filter film 202, the graphene oxide filter film 202 has higher permeability selectivity and hydrophilicity, a top end screw of the graphene oxide filter film 202 is connected with a hollow wire filter screen 203, the hollow wire filter screen 203 is shaped like a tubular fine wire of a straw, numerous ultra-fine filter holes with diameters of only 0.1 to 0.01 micrometers are formed in the wall surface, the filter effect is good, and the flue gas can be conveniently filtered through the filter screen 20.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the material in the inner cavity of the rotary kiln body 1 is calcined, and simultaneously the rotary kiln body 1 rotates, an external power supply of the air blower 15 is switched on, the air blower 15 starts to work, the air blower 15 sucks external air through the air inlet pipe 17, and adsorbs flue gas with heat in the inner cavity of the discharge box 18 through the first connecting pipe 21, the second connecting pipe 22 and the hollow plate 23, the flue gas sequentially passes through the activated carbon filter screen 201, the graphene oxide filter film 202 and the hollow wire filter screen 203 for filtering and then is collected with the air sucked in from the outside, and is discharged into the inner cavity of the hollow ring 9 from the air outlet pipe 16 and then is discharged from the air distribution plate 8 in a rotational flow mode through the through hole 5, the channel 6 and the air outlet pipe 7, when the rotary kiln body 1 rotates, the baffle 3 can drive the material to rotate to a certain height and then be scattered, and as the temperature in the rotary kiln body 1 is gradually reduced from the calcining, the air that can make to have heat after filtering heats the back again and discharges from gas distribution plate 8, carries out abundant heating to unrestrained material, and the device can make full use of the heat in the flue gas of emission carries out abundant heating to the material, resources are saved, reduce cost satisfies the user demand of enterprise.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-heating rotary kiln, includes rotary kiln main part (1) and ring (2), the outer wall of rotary kiln main part (1) has three ring (2), its characterized in that from a left side to right interference fit: the inner wall welding of gyration cellar for storing things main part (1) has baffle (3), the outer wall right side interference fit of gyration cellar for storing things main part (1) has drum (4), opening (5) have been seted up to the outer wall of drum (4), the inboard of opening (5) extends to the outer wall of gyration cellar for storing things main part (1), the passageway (6) that sets up along left and right directions is seted up to the left side bottom of opening (5), the corresponding position interference fit of the inner chamber left side of gyration cellar for storing things main part (1) and passageway (6) has blast pipe (7) of L font structure, and the one end of blast pipe (7) extends to the inner chamber of passageway (6), the other end screw connection of blast pipe (7) has gas distribution board (8), the outer wall of drum (4) has cup jointed hollow ring (9), and the inner wall of hollow ring (9) is pasted and is had the sealing washer will seal between hollow ring (9) and drum, the inner chamber of hollow ring (9) and the inner chamber of opening (5) communicate each other, T shape pole (10) have all been welded to the left and right sides of hollow ring (9), annular spout (11) have all been seted up with the corresponding position of T shape pole (10) to the outer wall left and right sides of drum (4), the inner chamber of annular spout (11) is embedded to have slider (12) with T shape pole (10) looks welded, the outer wall of hollow ring (9) has welded support (14) and base (13) respectively from last to down along the vertical direction, the top screw connection of base (13) has air-blower (15), the gas outlet joint of air-blower (15) has outlet duct (16), and the bottom of outlet duct (16) extends to the inner chamber of hollow ring (9), the air inlet joint of air-blower (15) has intake pipe (17), the outer wall right side hub connection of rotary kiln main part (1) has ejection of compact case (18), a discharge hole is formed in the bottom end of the discharge box (18), a rectangular box (19) is connected to the top end of the discharge box (18) through screws, concave plates are welded on the left side and the right side of an inner cavity of the rectangular box (19), a filter screen (20) is inserted into the inner cavity of each concave plate, a door plate is hinged to the front side of the rectangular box (19), sealing strips are pasted on the periphery of the door plate to seal the door plate, a first connecting pipe (21) communicated with the inner cavity of the rectangular box (19) is welded in the center position of the top end of the rectangular box (19), the top end of the first connecting pipe (21) is clamped with the air inlet pipe (17), the inner cavity of the first connecting pipe (21) is communicated with the inner cavity of the air inlet pipe (17), a second connecting pipe (22) communicated with the inner cavity of the rectangular box (19) is welded in the center position of the bottom end of the rectangular box (19), and a hollow plate (23) is welded in, and the inner cavity of the second connecting pipe (22) is communicated with the inner cavity of the hollow plate (23), and the lower surface of the hollow plate (23) is provided with a plurality of filtering holes communicated with the inner cavity of the hollow plate (23).

2. A self-heating rotary kiln as defined in claim 1, wherein: six baffles (3) are welded on the inner wall of the rotary kiln body (1), and the six baffles (3) are distributed on the circumference of the inner wall of the rotary kiln body (1) at intervals of 60 degrees clockwise.

3. A self-heating rotary kiln as defined in claim 1 or claim 2, wherein: six openings (5) have been seted up to the outer wall circumference of drum (4), and six openings (5) are according to clockwise every 60 degrees distribution at the outer wall circumference of drum (4), six openings (5) are located per two respectively outside between baffle (3).

4. A self-heating rotary kiln as defined in claim 1, wherein: the left side and the right side of the hollow ring (9) are both welded with two T-shaped rods (10), and the two T-shaped rods (10) are distributed on the circumference of the outer wall of the left side and the right side of the hollow ring (9) at intervals of 180 degrees clockwise.

5. A self-heating rotary kiln as defined in claim 1, wherein: the shapes of the annular sliding groove (11) and the sliding block (12) are both dovetail.

6. A self-heating rotary kiln as defined in claim 1, wherein: the filter screen (20) includes activated carbon filter screen (201), the top screw connection of activated carbon filter screen (201) has graphene oxide filter membrane (202), the top screw connection of graphene oxide filter membrane (202) has hollow filament filter screen (203).