CN213147371U

CN213147371U - Energy-saving rotary kiln capable of reducing tail gas pollutant emission

Info

Publication number: CN213147371U
Application number: CN202021968826.4U
Authority: CN
Inventors: 张馨月; 丁海平
Original assignee: Individual
Current assignee: Hubei Shenghuo Calcium Industry Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-07
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses an energy-saving rotary kiln capable of reducing tail gas pollutant emission, which comprises a kiln body, wherein one end of the kiln body is rotatably connected with a kiln tail smoke chamber, a filter screen layer is fixedly arranged at the top of the inner wall of the kiln tail smoke chamber, a plurality of catalytic plates are fixedly arranged at the top of the filter screen layer, an activated carbon layer is fixedly arranged at the top of the kiln tail smoke chamber, a plurality of exhaust holes are arranged at the outer side of the activated carbon layer, and a kiln head cover is rotatably connected with the other end of the kiln body. Has high practical value.

Description

Energy-saving rotary kiln capable of reducing tail gas pollutant emission

Technical Field

The utility model relates to a rotary kiln, in particular to energy-saving rotary kiln capable of reducing exhaust pollutant emission, which belongs to the technical field of calcining kilns.

Background

The rotary kiln is widely used in many production industries such as building materials, metallurgy, chemical industry, environmental protection and the like, mechanical, physical or chemical treatment is carried out on solid materials by adopting rotary cylinder equipment, the existing rotary kiln cannot timely scrape materials adhered to the inner wall of a kiln body, so that the heat transfer efficiency of the internal materials is low, the energy consumption is increased, and meanwhile, some tail gases are directly discharged without systematic treatment to pollute the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-conserving rotary kiln of reducible exhaust pollutant emission to the material that can not be to kiln internal wall adhesion that proposes in solving above-mentioned background art in time clears up, leads to the power consumption to increase and do not have the problem that the system is handled just directly to discharge tail gas.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving rotary kiln capable of reducing tail gas pollutant emission comprises a kiln body, wherein one end of the kiln body is rotatably connected with a kiln tail smoke chamber, a filter screen layer is fixedly arranged at the top of the inner wall of the kiln tail smoke chamber, a plurality of catalytic plates are fixedly arranged at the top of the filter screen layer, an activated carbon layer is fixedly arranged at the top of the kiln tail smoke chamber, a plurality of exhaust holes are formed in the outer side of the activated carbon layer, the other end of the kiln body is rotatably connected with a kiln head cover, a fixed shaft is fixedly arranged on one side of the kiln head cover, a scraper plate is fixedly arranged at the top of the fixed shaft, a plurality of support columns are fixedly arranged at the bottom of the fixed shaft, balls are clamped at the bottoms of the support columns, a plurality of ball slide ways are formed in the surface of the inner wall of the kiln body, a large gear is fixedly arranged in the middle, one side of pinion and gear motor's output fixed connection, gear motor's bottom and the center fixed connection at base top, one side at kiln body top is fixed the intercommunication has material business turn over valve, gear motor passes through external switch and power electric connection.

As an optimal technical scheme of the utility model, the junction of the kiln body and kiln tail smoke-box and the junction of the kiln body and kiln hood cover are all fixed and are provided with rotary flange.

As a preferred technical scheme of the utility model, the intercommunication groove has been seted up to the bottom of kiln tail smoke chamber one side, the inside block in intercommunication groove is provided with the waste residue receiver, the fixed handle that is provided with in one side of waste residue receiver.

As an optimized technical scheme of the utility model, a plurality of the ball corresponds the setting with a plurality of ball slide respectively.

As an optimized technical scheme of the utility model, the both sides at base top are all fixed and are provided with the bracket, two the bracket rotates with the both sides of kiln body bottom respectively and is connected.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an energy-conserving rotary kiln of reducible tail gas pollutant emission, this rotary kiln is at the during operation, can utilize scraper blade and kiln body relative motion to strike off the material of kiln internal wall adhesion, avoid the too much adhesion of kiln internal wall material, influence the efficiency of heat transfer, thereby the consumption of the energy has been saved greatly, filter the catalysis earlier to tail gas, absorb harmful gas again, discharge at last again, thereby a large amount of harmful tail gas polluted environment's problem has, higher practical value.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

fig. 3 is a schematic structural diagram of part a of the present invention.

In the figure: 1. a waste residue storage box; 2. a kiln tail smoke chamber; 3. an exhaust hole; 4. rotating the flange; 5. a kiln body; 6. a bull gear; 7. a kiln head cover; 8. a bracket; 9. a reduction motor; 10. a base; 11. a screen layer; 12. a catalyst plate; 13. an activated carbon layer; 14. a ball ramp; 15. a squeegee; 16. fixing a shaft; 17. a support pillar; 18. a ball bearing; 19. a pinion gear; 20. and a material inlet and outlet valve.

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 utility model provides an energy-saving rotary kiln capable of reducing exhaust pollutant emission, which comprises a kiln body 5, one end of the kiln body 5 is rotatably connected with a kiln tail smoke chamber 2, a filter screen layer 11 is fixedly arranged on the top of the inner wall of the kiln tail smoke chamber 2, a plurality of catalytic plates 12 are fixedly arranged on the top of the filter screen layer 11, an activated carbon layer 13 is fixedly arranged on the top of the kiln tail smoke chamber 2, a plurality of exhaust holes 3 are arranged on the outer side of the activated carbon layer 13, the other end of the kiln body 5 is rotatably connected with a kiln head cover 7, a fixed shaft 16 is fixedly arranged on one side of the kiln head cover 7, a scraper 15 is fixedly arranged on the top of the fixed shaft 16, a plurality of support columns 17 are fixedly arranged on the bottom of the fixed shaft 16, balls 18 are clamped on the bottoms of the support columns 17, a plurality of ball slideways 14 are arranged on the surface, the bottom meshing of gear wheel 6 is connected with pinion 19, one side of pinion 19 and gear motor 9's output fixed connection, gear motor 9's bottom and the center fixed connection at base 10 top, and one side at the kiln body 5 top is fixed the intercommunication has material business turn over valve 20, and gear motor 9 is through external switch and power electric connection.

Preferably, the rotary flanges 4 are fixedly arranged at the connecting part of the kiln body 5 and the kiln tail smoke chamber 2 and the connecting part of the kiln body 5 and the kiln head cover 7, the structure is simple and reasonable, and the kiln body 5, the kiln head cover 7 and the kiln tail smoke chamber 2 can rotate relatively.

Preferably, the communicating groove has been seted up to the bottom of 2 one sides in kiln tail smoke chamber, and the inside block in communicating groove is provided with waste residue receiver 1, and the fixed handle that is provided with in one side of waste residue receiver 1 is convenient for accomodate centralized management to some great waste residues after filtering.

Preferably, a plurality of balls 18 are respectively arranged corresponding to the plurality of ball slideways 14, so that the friction force generated when the support column 17 and the inner wall of the kiln body 5 move relatively is reduced, and the energy consumption is reduced.

Preferably, the both sides at base 10 top all are fixed and are provided with bracket 8, and two brackets 8 are equallyd divide the both sides of the kiln body 5 bottom of difference and are rotated the connection, stabilize support kiln body 5, make its work more stable safety.

When the energy-saving rotary kiln is used, the energy-saving rotary kiln capable of reducing exhaust pollutant emission analyzes the components of harmful exhaust according to the fired material types, then selects a proper catalysis plate 12 to process the exhaust, opens a material inlet and outlet valve 20, adds materials into a kiln body 5 through the material inlet and outlet valve 20, closes the material inlet and outlet valve 20 after the completion, switches on an external switch, enables a speed reduction motor 9 to be electrified to work, the speed reduction motor 9 drives a pinion 19 to rotate, the pinion 19 drives a gearwheel 6 to rotate, the gearwheel 6 drives the kiln body 5 to rotate, uniformly fires the materials in the kiln body 5, the exhaust can enter a kiln tail smoke chamber 2 in the firing process, the exhaust can rise in the kiln tail smoke chamber 2, a filter screen layer 11 can filter larger particle impurities, the impurities can fall under the action of gravity, the exhaust enters a waste residue storage box 1, and the gas can be catalyzed by the catalysis plate 12, harmful substances are removed, then gas enters the activated carbon layer 13, is absorbed by the activated carbon layer 13 and is discharged through the exhaust holes 3, the kiln body 5 rotates relative to the fixed shaft 16 when in work, at the moment, the scraper 15 scrapes off the adhered materials on the inner wall of the kiln body 5 to avoid influencing the heat transfer efficiency of the kiln body 5, the balls 18 roll in the ball slide ways 14 to enable the support columns 17 and the kiln body 5 to move relative to each other to complete the support of the fixed shaft 16, a worker holds the handles at intervals to exert force outwards to pull out the waste residue storage box 1, cleans waste residues in the waste residue storage box 1 and then reinserts the waste residues into the grooves, after firing is completed, the external switch is closed to stop the speed reducing motor 9, so that the kiln body 5 stops rotating, then the material inlet and outlet valve 20 is opened to discharge the materials, the operation is simple, energy conservation and emission reduction are realized, the practical value is higher.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; 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 energy-saving rotary kiln capable of reducing tail gas pollutant emission comprises a kiln body (5) and is characterized in that one end of the kiln body (5) is rotatably connected with a kiln tail smoke chamber (2), a filter screen layer (11) is fixedly arranged at the top of the inner wall of the kiln tail smoke chamber (2), a plurality of catalytic plates (12) are fixedly arranged at the top of the filter screen layer (11), an activated carbon layer (13) is fixedly arranged at the top of the kiln tail smoke chamber (2), a plurality of exhaust holes (3) are formed in the outer side of the activated carbon layer (13), a kiln head cover (7) is rotatably connected with the other end of the kiln body (5), a fixed shaft (16) is fixedly arranged on one side of the kiln head cover (7), a scraper (15) is fixedly arranged at the top of the fixed shaft (16), a plurality of support columns (17) are fixedly arranged at the bottom of the fixed shaft (16), and balls (18) are clamped at the bottoms of the support columns (, a plurality of ball slide (14) have been seted up on the surface of the kiln body (5) inner wall, the fixed gear wheel (6) that is provided with in middle part in the kiln body (5) outside, the bottom meshing of gear wheel (6) is connected with pinion (19), the output fixed connection of one side and gear motor (9) of pinion (19), the bottom of gear motor (9) and the central fixed connection at base (10) top, the fixed intercommunication in one side at the kiln body (5) top has material business turn over valve (20), gear motor (9) are through external switch and power electric connection.

2. The energy-saving rotary kiln capable of reducing the emission of tail gas pollutants as claimed in claim 1, is characterized in that: and rotary flanges (4) are fixedly arranged at the joint of the kiln body (5) and the kiln tail smoke chamber (2) and the joint of the kiln body (5) and the kiln head cover (7).

3. The energy-saving rotary kiln capable of reducing the emission of tail gas pollutants as claimed in claim 1, is characterized in that: the bottom of kiln tail smoke chamber (2) one side has been seted up the intercommunication groove, the inside block in intercommunication groove is provided with waste residue receiver (1), the fixed handle that is provided with in one side of waste residue receiver (1).

4. The energy-saving rotary kiln capable of reducing the emission of tail gas pollutants as claimed in claim 1, is characterized in that: the balls (18) are respectively arranged corresponding to the ball slideways (14).

5. The energy-saving rotary kiln capable of reducing the emission of tail gas pollutants as claimed in claim 1, is characterized in that: the support brackets (8) are fixedly arranged on two sides of the top of the base (10), and the support brackets (8) are respectively connected with two sides of the bottom of the kiln body (5) in a rotating mode.