CN217275433U

CN217275433U - Drying kiln for drying materials by using kiln tail waste heat

Info

Publication number: CN217275433U
Application number: CN202220893704.6U
Authority: CN
Inventors: 张成生; 王永春; 王召鑫; 王政
Original assignee: Huai'an Lvlan Environmental Protection Technology Co ltd
Current assignee: Huai'an Lvlan Environmental Protection Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-23
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses an utilize kiln tail waste heat to carry out drying kiln of stoving material, including collecting box and kiln tail, it is connected with the drying kiln body to rotate on the collecting box, it is connected with the material conveying roller to rotate on the drying kiln body, the one side of material conveying roller and the output shaft fixed connection of motor, the first pivot of output shaft fixedly connected with of motor upper end, the first bevel gear of fixedly connected with on the outer wall of first pivot, first bevel gear meshing is connected with the second bevel gear, second bevel gear and drying kiln body outer wall fixed connection, fixedly connected with thermal-arrest case on the outer wall of kiln tail, the thermal-arrest incasement is equipped with thermal-arrest mechanism respectively. The utility model discloses can with the high fever waste gas that the kiln tail produced through filtration after with unnecessary a large amount of heats again leading-in collecting box inside, dry the inside cement of drying kiln body to can avoid causing the waste of heat energy, reduce the manufacturing cost to cement.

Description

Drying kiln for drying materials by using kiln tail waste heat

Technical Field

The utility model relates to a drying kiln technical field specifically is an utilize kiln tail waste heat to carry out drying kiln of drying material.

Background

In cement production, rotary kilns, coolers, suspension preheaters, dryers and the like are all important thermal equipment. On the basis of ensuring that the requirements of process conditions are met, the key of energy conservation and consumption reduction in cement production is to improve the heat efficiency of the thermal equipment. No matter from external environment to internal requirements of enterprises, the waste heat utilization of the cement kiln has a condition of rapid development, the waste heat utilization becomes a new hot point of investment of the cement industry, the waste heat of the waste gas in the cement production process is fully utilized, and a large amount of low-grade waste heat can be recovered and fully utilized to generate electricity or supply hot water and hot gas, so that the electricity consumption of cement aquatic products is reduced, the energy is saved, and the pollution of the waste heat, dust and the like of the cement production to the environment can be effectively reduced. Is equivalent to the effect of reducing the emission of sulfur dioxide, and becomes an effective way for saving energy, reducing consumption and improving environmental conditions in the domestic cement industry at present.

Due to the particularity of the white cement process, the firing temperature of the clinker is high, the bleaching and cooling of the clinker are carried out by using water, the enthalpy of the clinker discharged from the kiln cannot be utilized, and the standard heat consumption of the white cement clinker is 50-80% higher than that of the common cement clinker for the same type of kiln. Therefore, the energy saving and consumption reduction of the white cement production are particularly urgent, and the heat quantity taken away by the waste gas in the white cement production is also quite high.

But there is a large amount of thermal waste gas to be discharged into the atmosphere directly when accomplishing cement manufacture among the prior art to make drying kiln waste heat not obtain make full use of and caused the waste of heat energy, and the inside cement of drying kiln also need set up the drying-machine in addition and dry, and then greatly increased the manufacturing cost to cement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utilize kiln tail waste heat to carry out the drying kiln of drying material to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: utilize kiln tail waste heat to carry out drying kiln of stoving material, including collecting box and kiln tail, it is connected with the drying kiln body to rotate on the collecting box, it is connected with the material conveying roller to rotate on the drying kiln body, the output shaft fixed connection of one side of material conveying roller and motor, the first pivot of output shaft fixedly connected with of motor upper end, fixedly connected with first bevel gear on the outer wall of first pivot, first bevel gear meshing is connected with the second bevel gear, second bevel gear and drying kiln body outer wall fixed connection, fixedly connected with thermal-arrest case on the outer wall of kiln tail, be equipped with thermal-arrest mechanism in the thermal-arrest case respectively, through blowing hot mechanism intercommunication between thermal-arrest case and the collecting box.

In a preferred embodiment: the blowing mechanism comprises a blowing box fixedly connected with the outer wall of one side of the heat collecting box, one side of the interior of the blowing box is rotatably connected with a blowing fan, one side of the interior wall of the blowing box is fixedly provided with a first air inlet, one side of the first air inlet is fixedly connected with an air inlet pipe, and one end of the air inlet pipe penetrates through the collecting box and is fixedly connected with the collecting box.

In a preferred embodiment: one side of the heat collection box is provided with a plurality of first heat conduction plates distributed at equal intervals, one side of each first heat conduction plate is fixedly arranged in the corresponding blowing box, the wall body of the corresponding collection box is provided with a plurality of second heat conduction plates distributed at equal intervals, one side of the corresponding collection box is fixedly connected with the corresponding fixed box, the first rotating shaft and the drying kiln body are rotatably connected with the corresponding fixed box, the motor is fixedly arranged in the corresponding fixed box, and heat transmission is facilitated through the arrangement of the first heat conduction plates and the second heat conduction plates.

In a preferred embodiment: the upper end inner wall of thermal-arrest case rotates and is connected with the induced-draft fan, outside the thermal-arrest case was located in the upper end rotation of induced-draft fan, equal fixedly connected with third bevel gear, two on the outer wall of fan of blowing and induced-draft fan third bevel gear meshing is connected with fourth bevel gear, two equal fixedly connected with second pivot, two on the inner wall of fourth bevel gear the second pivot is connected through the drive mechanism transmission between second pivot and the induced-draft fan and first pivot, through fourth bevel gear's rotation, has made things convenient for the synchronous rotation work who drives two second pivots.

In a preferred embodiment: the transmission mechanism comprises a first transmission wheel fixedly arranged on the outer wall of the first rotating shaft and one of the second rotating shafts, a second transmission wheel fixedly connected to the outer wall of the suction fan and the outer wall of the other second rotating shaft, the first transmission wheel is in transmission connection with the second transmission wheel through a transmission belt, a second air inlet is fixedly connected to the inner side of the heat collection box, and the rotation work of the blowing fan and the suction fan is facilitated through the arrangement of the transmission mechanism.

In a preferred embodiment: sliding connection has the absorption otter board on the inner wall of thermal-arrest case, the lower extreme sliding connection of thermal-arrest case has the collecting vat, it is connected with the feeding case to rotate on the outer wall of biography material roller, the feeding case rotates with the drying kiln body and is connected, the fixed inlet pipe that is equipped with in upper end of feeding case can filter the dust in the steam through the setting of adsorbing the otter board.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a collecting box, the kiln tail, the drying kiln body, including a motor, an end cap, a controller, and a cover plate, first pivot, the thermal-arrest case, blow the fan, first air intake, the air-supply line, first heat-conducting plate, the blower fan, third bevel gear, adsorb the otter board, the setting of second pivot and drive belt, can be with the high fever waste gas that the kiln tail produced lead to the collecting box inside with unnecessary a large amount of heat again after filtration treatment, dry the inside cement of drying kiln body, thereby can avoid causing the waste of heat energy, the manufacturing cost to cement has been reduced, again through the setting of feeding case and inlet pipe, the material loading work to cement has been made things convenient for.

2. The utility model discloses a setting of first bevel gear, second bevel gear and biography material roller has both made things convenient for the transmission to cement, has increased the efficiency of drying to cement again, again through the setting of collecting vat, has made things convenient for follow-up collection work to cement.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

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

FIG. 2 is a schematic overall sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of fig. 2B according to the present invention;

in the figure: 1. a collection box; 2. a kiln tail; 3. drying the kiln body; 4. a material conveying roller; 5. a motor; 6. a first rotating shaft; 7. a first bevel gear; 8. a second bevel gear; 9. a heat collection tank; 10. a blowing and heating box; 11. a blower fan; 12. a first air inlet; 13. an air inlet pipe; 14. a first heat-conducting plate; 15. an air suction fan; 16. a third bevel gear; 17. a second rotating shaft; 18. a transmission belt; 19. adsorbing the screen plate; 20. collecting tank; 21. a feeding box; 22. and (4) feeding a pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the present invention provides a technical solution: the drying kiln for drying materials by using waste heat of the kiln tail comprises a collecting box 1 and a kiln tail 2, wherein a drying kiln body 3 is connected onto the collecting box 1 in a rotating manner, a material conveying roller 4 is connected onto the drying kiln body 3 in a rotating manner, one side of the material conveying roller 4 is fixedly connected with an output shaft of a motor 5, a first rotating shaft 6 is fixedly connected onto an output shaft at the upper end of the motor 5, a first bevel gear 7 is fixedly connected onto the outer wall of the first rotating shaft 6, a second bevel gear 8 is meshed and connected with the first bevel gear 7, the second bevel gear 8 is fixedly connected with the outer wall of the drying kiln body 3, a heat collecting box 9 is fixedly connected onto the outer wall of the kiln tail 2, heat collecting mechanisms are respectively arranged in the heat collecting boxes 9, the heat collecting boxes 9 are communicated with the collecting box 1 through a heat blowing mechanism, and the heat blowing mechanism comprises a heat blowing box 10 fixedly connected with the outer wall of one side of the heat collecting box 9, one side in the blowing box 10 is rotatably connected with a blowing fan 11, one side of the inner wall of the blowing box 10 is fixedly provided with a first air inlet 12, one side of the first air inlet 12 is fixedly connected with an air inlet pipe 13, one end of the air inlet pipe 13 is penetrated and arranged in the collecting box 1 and is fixedly connected with the collecting box 1, one side of the heat collecting box 9 is provided with a plurality of first heat conducting plates 14 which are distributed equidistantly, one side of the first heat conducting plates 14 is fixedly arranged in the blowing box 10, the wall body of the collecting box 1 is provided with a plurality of second heat conducting plates which are distributed equidistantly, one side of the collecting box 1 is fixedly connected with a fixed box, the first rotating shaft 6 and the drying kiln body 3 are rotatably connected with the fixed box, the motor 5 is fixedly arranged in the fixed box, the heat transmission work is facilitated through the arrangement of the first heat conducting plates 14 and the second heat conducting plates, and an air suction fan 15 is rotatably connected on the inner wall of the upper end of the heat collecting box 9, the upper end of the suction fan 15 is rotatably arranged outside the heat collection box 9, the outer walls of the blowing fan 11 and the suction fan 15 are fixedly connected with third bevel gears 16, two third bevel gears 16 are meshed with fourth bevel gears, the inner walls of the two fourth bevel gears are fixedly connected with second rotating shafts 17, the two second rotating shafts 17 and the first rotating shaft 6 are in transmission connection with the suction fan 15 through transmission mechanisms, hot air is sucked to the upper end of the heat collection box 9 along with the rotation of the suction fan 15 and then is transmitted into the heating box 10 through the first heat conduction plate 14, then the blowing fan 11 blows the hot air into the collection box 1 through an air inlet pipe 13, each transmission mechanism comprises a first transmission wheel fixedly arranged on the outer wall of the first rotating shaft 6 and one of the second rotating shafts 17, and second transmission wheels are fixedly connected on the outer walls of the suction fan 15 and the other second rotating shaft 17, the utility model discloses a dust filtering device, including thermal-arrest case 9, first drive wheel and second drive wheel, be connected through drive belt 18 transmission between first drive wheel and the second drive wheel, fixedly connected with second air intake in the thermal-arrest case 9 has made things convenient for the rotation work of fan 11 and suction fan 15 of blowing through drive mechanism's setting, sliding connection has absorption otter board 19 on the inner wall of thermal-arrest case 9, the lower extreme sliding connection of thermal-arrest case 9 has collecting vat 20, it is connected with feeding case 21 to rotate on the outer wall of biography material roller 4, the feeding case rotates with drying kiln body 3 to be connected, the fixed inlet pipe 22 that is equipped with in upper end of feeding case 21, through the setting of absorption otter board 19, can filter the dust in the steam.

The utility model discloses a theory of operation: when the cement drying kiln is used, cement firstly enters the feeding box 21 from the feeding pipe 22 and then flows into the drying kiln body 3 from the feeding box 21, then the motor 5 is started, the material conveying roller 4 is driven to rotate along with the starting of the motor 5, the cement is further conveyed, meanwhile, the first rotating shaft 6 is driven to rotate along with the starting of the motor 5, the suction fan 15 is driven to rotate by the rotation of the first rotating shaft 6 through the arrangement of the driving belt 18 and one of the first driving wheel and the second driving wheel, the heat at the bottom end of the heat collecting box 9 is further sucked to the upper end of the heat collecting box 9, then the heat is transmitted into the heating box 10 through the first heat conducting plate 14, meanwhile, the third bevel gear 16 on the blowing fan 11 is driven to rotate along with the rotation of the blowing fan 11, one of the fourth bevel gears is further driven to rotate, the rotation of one of the fourth bevel gears drives one of the second rotating shafts 17 to rotate, and then the other driving belt 18, The first transmission wheel and the second transmission wheel drive the other second rotating shaft 17 to rotate, the rotation of the other second rotating shaft 17 further drives the blowing fan 11 to rotate through the other third bevel gear 16 and the fourth bevel gear, so that hot air inside the blowing box 10 blows heat into the collecting box 1 through the first air inlet 12 and the air inlet pipe 13, then the heat is transmitted into the drying kiln body 3 through the second heat-conducting plate, meanwhile, the rotation of the first rotating shaft 6 drives the first bevel gear 7 to rotate, further the second bevel gear 8 is driven to rotate, the drying kiln body 3 is driven to rotate through the rotation of the second bevel gear 8, and therefore cement in the drying kiln body 3 can be efficiently dried, cement in the opposite kiln tail 2 flows into the collecting tank 20 and then is collected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Utilize kiln tail waste heat to carry out drying kiln of stoving material, including collecting box (1) and kiln tail (2), its characterized in that: the improved drying kiln is characterized in that a drying kiln body (3) is connected to the collection box (1) in a rotating mode, a material conveying roller (4) is connected to the drying kiln body (3) in a rotating mode, one side of the material conveying roller (4) is fixedly connected with an output shaft of the motor (5), a first rotating shaft (6) is fixedly connected to the upper end of the motor (5), a first bevel gear (7) is fixedly connected to the outer wall of the first rotating shaft (6), a second bevel gear (8) is connected to the first bevel gear (7) in a meshed mode, the second bevel gear (8) is fixedly connected with the outer wall of the drying kiln body (3), a heat collection box (9) is fixedly connected to the outer wall of the kiln tail (2), heat collection mechanisms are arranged in the heat collection box (9), and the heat collection box (9) is communicated with the collection box (1) through a heat blowing mechanism.

2. The kiln as claimed in claim 1, wherein the kiln is characterized in that: the heating mechanism comprises a heating box (10) fixedly connected with the outer wall of one side of the heat collecting box (9), a blowing fan (11) is rotatably connected to one side of the inside of the heating box (10), a first air inlet (12) is fixedly arranged on one side of the inner wall of the heating box (10), an air inlet pipe (13) is fixedly connected to one side of the first air inlet (12), and one end of the air inlet pipe (13) penetrates through the inside of the collecting box (1) and is fixedly connected with the collecting box (1).

3. The kiln as claimed in claim 2, wherein the kiln is characterized in that: one side of the heat collection box (9) is provided with a plurality of first heat conduction plates (14) distributed at equal intervals, one side of each first heat conduction plate (14) is fixedly arranged in the corresponding blowing box (10), the wall body of the collection box (1) is provided with a plurality of second heat conduction plates distributed at equal intervals, one side of the collection box (1) is fixedly connected with a fixed box, the first rotating shaft (6) and the drying kiln body (3) are rotatably connected with the fixed box, and the motor (5) is fixedly arranged in the fixed box.

4. The kiln as claimed in claim 3, wherein the kiln is characterized in that: rotate on the upper end inner wall of thermal-arrest case (9) and be connected with suction fan (15), outside heat-arrest case (9) was located in the upper end rotation of suction fan (15), equal fixedly connected with third bevel gear (16), two on the outer wall of fan (11) of blowing and suction fan (15) third bevel gear (16) meshing is connected with fourth bevel gear, two equal fixedly connected with second pivot (17), two on the inner wall of fourth bevel gear second pivot (17) and first pivot (6) are connected through the drive mechanism transmission between suction fan (15).

5. The kiln as claimed in claim 4, wherein the kiln is characterized in that: the transmission mechanism comprises a first transmission wheel fixedly arranged on the outer wall of the first rotating shaft (6) and one of the second rotating shafts (17), a second transmission wheel fixedly connected to the outer wall of the suction fan (15) and the outer wall of the other second rotating shaft (17), the first transmission wheel and the second transmission wheel are in transmission connection through a transmission belt (18), and a second air inlet is fixedly connected to the inside of the heat collection box (9).

6. The kiln as claimed in claim 5, wherein the kiln is characterized in that: the improved material collection device is characterized in that an adsorption screen plate (19) is connected to the inner wall of the heat collection box (9) in a sliding mode, a collection groove (20) is connected to the lower end of the heat collection box (9) in a sliding mode, a feeding box (21) is connected to the outer wall of the material conveying roller (4) in a rotating mode, the feeding box is connected with the drying kiln body (3) in a rotating mode, and a feeding pipe (22) is fixedly arranged at the upper end of the feeding box (21).