CN112815699A

CN112815699A - High-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier roller component

Info

Publication number: CN112815699A
Application number: CN202110093309.XA
Authority: CN
Inventors: 景俊康
Original assignee: HAIAN HAITAI CASTING CO LTD
Current assignee: HAIAN HAITAI CASTING CO LTD
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-05-18

Abstract

The invention relates to the technical field of rotary kiln riding wheels, and discloses a high-temperature-resistant and wear-resistant large-scale kiln rotary kiln riding wheel assembly which comprises a flow guide box, wherein an overflow groove is fixedly connected inside the flow guide box, an overflow hole is formed in the top of the overflow groove, a base is fixedly connected to the top of the inside of the overflow groove, a rotating rod is movably connected to the inner wall of the base, a stirring paddle is fixedly sleeved outside the rotating rod, and a hinge is connected to the outer surface of the rotating rod in a meshed mode. According to the invention, the cooling liquid is sprayed through the cooling spray head to cool the surface of the riding wheel, the water is guided into the bottom refrigerating device through the overflow hole, so that the damage to a lubricating area of a rotating shaft in the riding wheel due to overhigh liquid level is avoided, meanwhile, the water is cooled through the refrigerating device and is guided into the overflow groove through the pump body to perform cooling treatment on the base, and the situations of short service life and high later-period maintenance cost caused by long-time work of the riding wheel and the base under a high-temperature condition are avoided.

Description

High-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier roller component

Technical Field

The invention relates to the technical field of rotary kiln riding wheels, in particular to a high-temperature-resistant and wear-resistant large-scale kiln rotary kiln riding wheel assembly.

Background

The rotary kiln is a rotary calcining kiln, belongs to the field of building material equipment, and can be divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different treatment materials, wherein the cement kiln is mainly used for calcining cement clinker, and is divided into a dry-process production cement kiln and a wet-process production cement kiln, and the metallurgical chemical kiln is mainly used for magnetizing and roasting lean iron ore and oxidizing and roasting chromite-nickel iron ore in steel plants in the metallurgical industry.

The rotary kiln is heated when in normal operation, the temperature outside the kiln body is often over 300 ℃, the position of a wheel belt of the rotary kiln body needs to be always contacted with a bearing surface of a riding wheel when in operation, so that the riding wheel is heated, and the riding wheel and a base are seriously abraded and have short service life because the riding wheel operates in a high-load and high-temperature environment for a long time.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the high-temperature-resistant and wear-resistant large-scale kiln rotary kiln riding wheel component, which has the advantages of cooling, heat dissipation and high-temperature-resistant operation, solves the problem that the riding wheel is short in service life when being heated, has the advantage of reducing water resource waste, and solves the problem that a large amount of water resource is lost due to vaporization of cooling liquid under the high-temperature condition.

The invention provides the following technical scheme: the high-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier assembly comprises a flow guide box, an overflow groove is fixedly connected inside the flow guide box, an overflow hole is formed in the top of the overflow groove, a base is fixedly connected to the top inside the overflow groove, a rotating rod is movably connected to the inner wall of the base, a stirring paddle is fixedly sleeved outside the rotating rod, a hinge is meshed and connected with the outer surface of the rotating rod, a middle rotating shaft is movably connected to the top of the base, a supporting wheel is fixedly connected to the outside of the middle rotating shaft, water-stop plates are fixedly connected to two sides of the supporting wheel, a drain hole is fixedly connected to the bottom of the flow guide box, a flow guide pipe is fixedly connected to the bottom of the drain hole, a refrigerating device is fixedly connected to the bottom of the flow guide, the top of the backflow pipe is fixedly connected with a pump body, the top of the pump body is fixedly connected with a backflow one-way valve, the top of the riding wheel is provided with a gas collecting hood, the top of the gas collecting hood is fixedly connected with a circulating pipe, the top of the circulating pipe is fixedly connected with a fan, the right side of the fan is provided with a condensing pipe, the top of the overflow groove is fixedly provided with a cooling spray nozzle, and the top of the cooling spray nozzle is fixedly connected with a rotating shaft seat.

Preferably, the top of the overflow groove and the bottom of the riding wheel are kept on the same horizontal line, the overflow holes are the top of the outer surface of the overflow groove, the overflow holes are in a penetrating state in the overflow groove, the inclination angle of the overflow holes is thirty degrees, the overflow holes are uniformly arranged on the outer surface of the overflow groove, and the distances between the overflow holes are the same.

Preferably, the rotating rod and the middle rotating shaft are fixedly sleeved with a driven gear in the outer part, and the driven gear is meshed with the hinge.

Preferably, one end of the circulating pipe is movably connected with the gas collecting hood, the other end of the circulating pipe is movably connected with the circulating through hole, and a butyronitrile sealing ring is arranged on the inner wall of the circulating pipe.

Preferably, the center of the backflow check valve and the center of the bottom of the overflow groove are kept on the same vertical line, and the bottom of the backflow check valve is connected with the pump body through a backflow pipe.

Preferably, the cooling nozzles are uniformly arranged at the top of the overflow groove, and the arrangement length of the cooling nozzles is the same as the length of the riding wheels.

Compared with the prior art, the invention has the following beneficial effects:

1. this high temperature resistant wear-resisting large-scale kiln rotary kiln riding wheel subassembly, through increasing the overflow launder, the overflow hole, the flow guide box, refrigerating plant, one-way reflux valve, the back flow, the pump body and stirring rake, the cooling shower nozzle carries out the coolant liquid and sprays, cool down the cooling to the riding wheel surface, the water passes through the leading-in bottom refrigerating plant in overflow hole, avoid the liquid level too high, cause the damage to the lubricated region of the inside pivot of riding wheel, cool down the water through refrigerating plant simultaneously, and through the leading-in overflow launder of the pump body, cool down the processing to the base, riding wheel and base have been avoided working under the high temperature condition for a long time, lead to short service life, the high condition.

2. This high temperature resistant wear-resisting large-scale kiln rotary kiln riding wheel subassembly, through increasing the gas collecting channel, the fan, the circulating pipe, the condenser pipe, circulation through hole, refrigerating plant, honeycomb duct and wash port, inside gas collecting channel and the leading-in circulating pipe of fan vapor with vaporization, and lead into inside refrigerating plant through the condenser pipe, refrigerating plant cools down the cooling treatment to the coolant liquid, overflow launder inside water passes through overflow hole and the leading-in refrigerating plant of honeycomb duct, be convenient for carry out reutilization to the water, a large amount of water evaporation losses in the cooling process have been avoided, the cooling cost is reduced.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the gas collecting channel of the present invention;

FIG. 4 is a side cross-sectional view of the structure of the present invention.

In the figure: 1. a flow guide box; 2. an overflow trough; 3. an overflow aperture; 4. a base; 5. rotating the rod; 6. a middle rotating shaft; 7. a water-stop sheet; 8. a riding wheel; 9. a gas-collecting hood; 10. a circulation pipe; 11. a hinge; 12. a stirring paddle; 13. a backflow check valve; 14. a return pipe; 15. a pump body; 16. a drain hole; 17. a flow guide pipe; 18. a circulation through hole; 19. a refrigeration device; 20. a fan; 21. a condenser tube; 22. cooling the spray head; 23. a rotating shaft seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a high temperature and wear resistant large kiln rotary kiln carrier assembly comprises a flow guide box 1, an overflow groove 2 is fixedly connected inside the flow guide box 1, the top of the overflow groove 2 and the bottom of a riding wheel 8 are maintained on the same horizontal line, an overflow hole 3 is the top of the outer surface of the overflow groove 2, the overflow hole 3 is in a penetrating state inside the overflow groove 2, the inclination angle of the overflow hole 3 is thirty degrees, the overflow holes 3 are uniformly arranged on the outer surface of the overflow groove 2, the distance between the overflow holes 3 is the same, the overflow holes 3 are arranged on the outer surface of the overflow groove 2, so that water is prevented from being accumulated inside the overflow groove 2, the liquid level of cooling liquid is in contact with the inner wall of the riding wheel 8, thereby causing damage to the internal lubricant of the riding wheel 8, and the water is conveniently led out of the inside of the overflow groove 2 through the inclined structure of the overflow holes 3, the top of the inner part of the overflow groove 2 is fixedly connected with a base 4, the inner wall of the base 4 is movably connected with a rotating rod 5, the rotating rod 5 and the outer part of the middle rotating shaft 6 are fixedly sleeved with a driven gear, the driven gear is meshed with a hinge 11, when the middle rotating shaft 6 drives a riding wheel 8 to rotate, the driven gear fixedly sleeved on the surface of the middle rotating shaft 6 drives the hinge 11 to rotate, thereby synchronously driving the rotating rod 5 at the bottom to rotate, so that a stirring paddle 12 is used for stirring water in the overflow groove 2, the heat dissipation rate is accelerated, the outer part of the rotating rod 5 is fixedly sleeved with a stirring paddle 12, the outer surface of the rotating rod 5 is meshed with the hinge 11, the top of the base 4 is movably connected with the middle rotating shaft 6, one end of a circulating pipe 10 is movably connected with a gas collecting hood 9, the other end, the fan 20 works, water vapor is guided into the circulating pipe 10 through the gas collecting hood 9, water is liquefied through the condensing pipe 21 and guided into the refrigerating device 19 through the circulating pipe 10, evaporation of a large amount of water vapor in the cooling and heat dissipation process is avoided, waste of water resources is avoided, refrigerating cost is reduced, secondary recycling of water is facilitated, internal sealing performance of the circulating pipe 10 is improved through a butyronitrile sealing ring arranged inside, the supporting wheel 8 is fixedly connected to the outer portion of the middle rotating shaft 6, the water-stop plates 7 are fixedly connected to the two sides of the supporting wheel 8, the bottom of the flow guide box 1 is fixedly connected with the drain hole 16, the bottom of the drain hole 16 is fixedly connected with the flow guide pipe 17, the bottom of the flow guide pipe 17 is fixedly connected with the refrigerating device 19, the outer surface of the refrigerating device 19 is provided with the circulating through hole 18, the top of the refrigerating device 19 is, the top of the pump body 15 is fixedly connected with a backflow check valve 13, the center of the backflow check valve 13 and the center of the bottom of the overflow trough 2 are kept on the same vertical line, the bottom of the backflow check valve 13 is connected with the pump body 15 through a backflow pipe 14, after the water body is cooled by a refrigerating device 19, the water body is conveyed to the inside of the overflow trough 2 through the pump body 15, cooling liquid is guided into the overflow trough 2 through the backflow check valve 13, the base 4 is cooled by low-temperature water, the situation that the temperature cannot reach the cooling effect after the liquid guided out by a cooling spray nozzle 22 passes through the surface of a riding wheel 8 is avoided, the top of the riding wheel 8 is provided with a gas collecting hood 9, the top of the gas collecting hood 9 is fixedly connected with a circulating pipe 10, the top of the circulating pipe 10 is fixedly connected with a fan 20, the right side of the fan 20 is provided with a condensing pipe 21, the top of the overflow trough, and the array length of cooling shower nozzle 22 is the same with the length of riding wheel 8, and cooling shower nozzle 22 directly is connected with refrigerating plant 19 through the body to cool off riding wheel 8 through spraying the coolant liquid, rotating shaft seat 23 can adjust cooling shower nozzle 22's the angle that sprays, thereby has improved the refrigerated effect of cooling off, improves the practicality of device, and cooling shower nozzle 22's top fixedly connected with rotating shaft seat 23.

The theory of operation, cooling shower nozzle 22 is connected with refrigerating plant 19 through the body is direct, and cool down the cooling to riding wheel 8 through spraying the coolant liquid, the water passes through 3 leading-in water conservancy diversion casees 1 in overflow hole, the water passes through 16 leading-in refrigerating plant 19 in wash port, form water circulation, the steam that cooling shower nozzle 22 formed passes through gas collecting channel 9 and condenser pipe 21, inside leading-in refrigerating plant 19, pump body 15 work, the water after the cooling passes through backflow check valve 13 inside leading-in overflow launder 2, cool down base 4, can.

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. High temperature resistant wear-resisting large-scale kiln rotary kiln riding wheel subassembly, including flow guide box (1), its characterized in that: the inner part of the flow guide box (1) is fixedly connected with an overflow groove (2), the top of the overflow groove (2) is provided with an overflow hole (3), the inner top of the overflow groove (2) is fixedly connected with a base (4), the inner wall of the base (4) is movably connected with a rotating rod (5), the outer part of the rotating rod (5) is fixedly sleeved with a stirring paddle (12), the outer surface of the rotating rod (5) is meshed with a hinge (11), the top of the base (4) is movably connected with a middle rotating shaft (6), the outer part of the middle rotating shaft (6) is fixedly connected with a riding wheel (8), two sides of the riding wheel (8) are fixedly connected with a water-stop plate (7), the bottom of the flow guide box (1) is fixedly connected with a drain hole (16), the bottom of the drain hole (16) is fixedly connected with a flow guide pipe (17), and the, the outer surface of refrigerating device (19) is equipped with circulation through-hole (18), the top fixedly connected with back flow (14) of refrigerating device (19), the top fixedly connected with pump body (15) of back flow (14), the top fixedly connected with backward flow check valve (13) of pump body (15), the top of riding wheel (8) is equipped with gas collecting channel (9), the top fixedly connected with circulating pipe (10) of gas collecting channel (9), the top fixedly connected with fan (20) of circulating pipe (10), the right side of fan (20) is equipped with condenser pipe (21), the top fixed mounting of overflow launder (2) has cooling shower nozzle (22), the top fixedly connected with pivot seat (23) of cooling shower nozzle (22).

2. The high-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier wheel assembly as claimed in claim 1, wherein: the top of the overflow groove (2) and the bottom of the riding wheel (8) are kept on the same horizontal line, the overflow holes (3) are the tops of the outer surfaces of the overflow groove (2), the overflow holes (3) are in a penetrating state in the overflow groove (2), the inclination angles of the overflow holes (3) are thirty degrees, the overflow holes (3) are uniformly arranged on the outer surfaces of the overflow groove (2), and the distances between the overflow holes (3) are the same.

3. The high-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier wheel assembly as claimed in claim 1, wherein: the outside of dwang (5) and well pivot (6) is fixed to cup joint has driven gear, and driven gear and hinge (11) meshing are connected.

4. The high-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier wheel assembly as claimed in claim 1, wherein: one end of the circulating pipe (10) is movably connected with the gas collecting hood (9), the other end of the circulating pipe (10) is movably connected with the circulating through hole (18), and a nitrile sealing ring is arranged on the inner wall of the circulating pipe (10).

5. The high-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier wheel assembly as claimed in claim 1, wherein: the center of the backflow check valve (13) and the center of the bottom of the overflow groove (2) are kept on the same vertical line, and the bottom of the backflow check valve (13) is connected with the pump body (15) through a backflow pipe (14).

6. The high-temperature-resistant and wear-resistant large-scale kiln rotary kiln carrier wheel assembly as claimed in claim 1, wherein: the cooling spray heads (22) are uniformly arranged at the top of the overflow trough (2), and the arrangement length of the cooling spray heads (22) is the same as that of the riding wheels (8).