CN214582540U - Special gas material cooling system that preheats of ultra-high temperature calcining kiln - Google Patents

Abstract

The utility model discloses an ultra-temperature calcination. A preheating gas material cooling system special for a kiln relates to the technical field of material cooling. This special gas material cooling system that preheats of ultra-high temperature calcining kiln, including calcining kiln discharging device, one side surface welding of calcining kiln discharging device installs split type preheating wind type high temperature combustion machine. Can change the high temperature material chute, the change of high temperature material chute can be according to different calcination material calcination temperature and material property, choose the material of adaptation for use, when having avoided the material after the calcination to pass through the high temperature material chute under the action of gravity, the problem of high temperature material chute oxidation is produced to the difference that leads to temperature resistant degree because of the material, the condition that produces the bonding when not only having avoided the material to pass through the high temperature material chute, and avoided the too high problem of melting the high temperature material chute of material temperature, improve the material that the material contacted, can thoroughly stop the oxide in the cooling process and cause secondary pollution's problem to the material, the effectual practicality of strengthening this device.

Description

Special gas material cooling system that preheats of ultra-high temperature calcining kiln

Technical Field

The utility model relates to a material cooling technical field specifically is a special gas material cooling system that preheats of ultra-high temperature calcining kiln.

Background

At present, a calcined material cooling system of a conventional calcining rotary kiln in China mainly adopts a water cooling mode, namely a metal rotary kiln, a cooling mode of spraying cooling water on the outer wall of a cylinder and scattering high-temperature materials on the inner wall of the cylinder, or a cross-flow air cooling mode, namely a mode of introducing convection cooling air into a rotary roller, and the roller contacts with the convection air to exchange heat to achieve material cooling while scattering the materials.

However, the two cooling modes can not effectively utilize the high-temperature materials to carry heat, and only allow the circulating water in the water cooling mode to naturally dissipate; or the air cooling mode cross-flow air is mixed with cold air under the temperature limit of a large-volume dust removal system to cause extremely low heat recovery utilization rate due to overlarge dust content, and meanwhile, the two cooling mode cooling main machines are metal rotary kilns, so that the kiln body has extremely large heat dissipation surface area, and serious heat loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special gas material cooling system that preheats of ultra-high temperature calcining kiln to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special preheating gas material cooling system for an ultra-high temperature calcining kiln comprises a calcining kiln discharging device, wherein a split preheating air type high-temperature burner is welded and installed on the outer surface of one side of the calcining kiln discharging device, the output end of the split preheating air type high-temperature burner extends into the calcining kiln discharging device, the air inlet end of the split preheating air type high-temperature burner is fixedly connected with a connecting pipe, one end of the connecting pipe is provided with a cyclone dust collector, the connecting pipe is fixedly connected with the air outlet end of the cyclone dust collector, the dust outlet end of the cyclone dust collector is welded and installed with an output pipe, the output pipe is communicated with the interior of the cyclone dust collector, one end of the output pipe is welded and installed with a cold air inlet box, the output pipe is communicated with the interior of the cold air inlet box, the bottom of the cold air inlet box is provided with a vibration cooling mechanism, and the dust inlet end of the cyclone dust collector is fixedly connected with a hot air return air supply pipe, the outer surface welding of the bottom of the calcining kiln discharging device is provided with a high-temperature material discharging pipe, the high-temperature material discharging pipe is communicated with the inside of the calcining kiln discharging device, one end of the high-temperature material discharging pipe is provided with a high-temperature material chute, the adjacent ends of the high-temperature material discharging pipe and the high-temperature material chute are provided with a first threaded sleeve, a threaded groove is formed in the first threaded sleeve, one end of the first threaded sleeve is sleeved on the outer wall of the high-temperature material discharging pipe, the other end of the first threaded sleeve is sleeved on the outer wall of the high-temperature material chute, and a cooling material discharging pipe and a high-temperature material feeding pipe are arranged on the vibration cooling mechanism.

Preferably, the vibration cooling mechanism comprises an upper air-cooled vibration cooling bed, a material contact bed plate, a vibration motor, a cold air inlet pipe and an upper air-cooled air distribution screen plate, the material contact bed plate is fixedly mounted inside the upper air-cooled vibration cooling bed, the vibration motor is welded on the inner wall of the rear side of the upper air-cooled vibration cooling bed, an output shaft of the vibration motor is in contact with the material contact bed plate through a coupler, the cold air inlet pipe is welded on the outer surface of the top of the upper air-cooled vibration cooling bed, the cold air inlet pipe is communicated with the inside of the upper air-cooled vibration cooling bed, the upper air-cooled air distribution screen plate is welded on the inner wall of the rear side of the upper air-cooled vibration cooling bed, and the upper air-cooled air distribution screen plate is located right below the cold air inlet pipe.

Preferably, the outer surface of the top of the upper air-cooled vibration cooling bed is welded with a high-temperature material feeding pipe, the high-temperature material feeding pipe is communicated with the inside of the upper air-cooled vibration cooling bed, a second threaded sleeve is arranged at the end, adjacent to the high-temperature material chute, of the high-temperature material feeding pipe, a threaded groove is formed in the second threaded sleeve, one end of the second threaded sleeve is sleeved on the outer wall of the high-temperature material feeding pipe, and the other end of the second threaded sleeve is sleeved on the outer wall of the high-temperature material chute.

Preferably, the outer surface of one side of the upper air-cooled type vibration cooling bed is welded with a cooling material discharging pipe, one end of the cooling material discharging pipe extends into the upper air-cooled type vibration cooling bed, and the other end of the cooling material discharging pipe is provided with a valve.

Preferably, one end of the hot air reburning blast pipe extends to the inside of the upper air-cooled type vibration cooling bed.

Preferably, one end of the cold air inlet pipe is welded with the cold air inlet box, the cold air inlet pipe is communicated with the interior of the cold air inlet box, an air inlet pipeline is welded on the outer surface of the rear side of the cold air inlet box, one end of the air inlet pipeline extends to the interior of the cold air inlet box, and a check valve is arranged on the air inlet pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this special gas material cooling system that preheats of ultra-high temperature calcining kiln, through high temperature material unloading pipe, first thread bush, the cooperation of high temperature material inlet pipe and second thread bush is used, can change the high temperature material chute, the change of high temperature material chute can be according to calcining material calcination temperature and material property of difference, choose the material of adaptation for use, avoided calcining the back material when through the high temperature material chute under the action of gravity, the problem of the oxidation of high temperature material chute is produced to the difference that leads to temperature resistant degree because of the material, the condition that produces the bonding when having avoided the material to pass through the high temperature material chute on the one hand, on the other hand has avoided the too high problem of melting high temperature material chute of material temperature, improve the material that the material contacted, can thoroughly stop the oxide in the cooling process and cause secondary pollution's problem to the material, the effectual practicality of strengthening this device.

(2) This special gas material cooling system that preheats of ultra-high temperature calcining kiln, box admits air through cold wind, material contact bed board, the cooperation of cold wind air-supply line and last air-cooled formula air distribution otter board is used, can make the forced air cooling more even, the forced air cooling evenly makes the material cooling even on the one hand, the effectual production efficiency who strengthens this device, on the other hand is difficult for blowing up the dust, material loss has been avoided, through cyclone, the box admits air through cold wind, the cold wind air-supply line, the cooperation of hot-blast blowback blast pipe is used and can be transmitted the hot oxygen that cold wind air-supply line and steam produced to split type preheating wind type high temperature combustion machine, with combustible mixture combustion such as natural gas or diesel oil, the effectual energy saving and consumption reduction that has realized.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged view of the part a of the present invention.

In the figure: the device comprises a calcining kiln discharging device 1, a split type preheating air type high-temperature burner 2, a cyclone dust collector 3, a cold air inlet box 4, a cooling material discharging pipe 5, a vibration cooling mechanism 6, an air-cooled vibration cooling bed on 601, a material contact bed board 602, a vibration motor 603, a cold air inlet pipe 604, an air-cooled air distribution screen board on 605, a hot air back-burning air supply pipe 7, a high-temperature material discharging pipe 8, a high-temperature material chute 9, a first thread sleeve 10, a high-temperature material feeding pipe 11 and a second thread sleeve 12.

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 special preheating gas material cooling system for an ultra-high temperature calcining kiln comprises a calcining kiln discharging device 1, wherein a split preheating air type high temperature burner 2 is welded and installed on the outer surface of one side of the calcining kiln discharging device 1, the output end of the split preheating air type high temperature burner 2 extends into the calcining kiln discharging device 1, the air inlet end of the split preheating air type high temperature burner 2 is fixedly connected with a connecting pipe, one end of the connecting pipe is provided with a cyclone dust collector 3, the connecting pipe is fixedly connected with the air outlet end of the cyclone dust collector 3, the dust outlet end of the cyclone dust collector 3 is welded and installed with an output pipe, the output pipe is communicated with the interior of the cyclone dust collector 3, one end of the output pipe is welded and installed with a cold air inlet box 4, the output pipe is communicated with the interior of the cold air inlet box 4, the bottom of the cold air inlet box 4 is provided with a vibration cooling mechanism 6, the air inlet end of the cyclone dust collector 3 is fixedly connected with a hot air return air supply pipe 7, the bottom surface welding of calcining kiln discharging device 1 installs high temperature material unloading pipe 8, high temperature material unloading pipe 8 communicates with each other with calcining kiln discharging device 1's inside, the one end of high temperature material unloading pipe 8 is provided with high temperature material chute 9, the adjacent end of high temperature material unloading pipe 8 and high temperature material chute 9 is provided with first thread bush 10, the thread groove has been seted up to the inside of first thread bush 10, the outer wall of high temperature material unloading pipe 8 is located to the one end thread bush of first thread bush 10, the outer wall of high temperature material chute 9 is located to the other end thread bush of first thread bush 10, be provided with coolant discharging pipe 5 and high temperature material inlet pipe 11 on the vibration cooling mechanism 6.

The vibration cooling mechanism 6 comprises an upper air-cooled vibration cooling bed 601, a material contact bed board 602, a vibration motor 603, a cold air inlet pipe 604 and an upper air-cooled air distribution screen board 605, wherein the material contact bed board 602 is fixedly arranged inside the upper air-cooled vibration cooling bed 601, the vibration motor 603 is welded and arranged on the inner wall of the rear side of the upper air-cooled vibration cooling bed 601, the output shaft of the vibration motor 603 is contacted with the material contact bed board 602 through a coupler, the cold air inlet pipe 604 is welded and arranged on the outer surface of the top of the upper air-cooled vibration cooling bed 601, the cold air inlet pipe 604 is communicated with the inside of the upper air-cooled vibration cooling bed 601, the upper air-cooled air distribution screen board 605 is welded and arranged on the inner wall of the rear side of the upper air-cooled vibration cooling bed 601, the upper air-cooled air distribution screen board 605 is positioned right below the cold air inlet pipe 604, the outer surface of the top of the upper air-cooled vibration cooling bed 601 is welded and arranged with a high-temperature material feeding pipe 11, the high-temperature material feeding pipe 11 is communicated with the inside of the upper air-cooled vibration cooling bed 601, the adjacent end of the high-temperature material feeding pipe 11 and the high-temperature material chute 9 is provided with a second threaded sleeve 12, the inside of the second threaded sleeve 12 is provided with a threaded groove, one end of the second threaded sleeve 12 is in threaded sleeve arrangement with the outer wall of the high-temperature material feeding pipe 11, the other end of the second threaded sleeve 12 is in threaded sleeve arrangement with the outer wall of the high-temperature material chute 9, the high-temperature material discharging pipe 8, the first threaded sleeve 10, the high-temperature material feeding pipe 11 and the second threaded sleeve 12 are matched for use, the high-temperature material chute 9 can be replaced according to different calcination temperature and material properties, adaptive materials are selected, the problem that the high-temperature material chute 9 is oxidized due to different temperature resistance degrees caused by the materials when the calcined materials pass through the high-temperature material chute 9 under the action of gravity is avoided, on one hand, the condition that materials are bonded when passing through a high-temperature material chute 9 is avoided, on the other hand, the problem that the high-temperature material chute 9 is melted when the temperature of the materials is too high is avoided, the materials contacted with the materials are improved, the problem that oxides in the cooling process cause secondary pollution to the materials can be thoroughly solved, the practicability of the device is effectively enhanced, a cooling material discharging pipe 5 is welded and installed on the outer surface of one side of an upper air-cooled type vibration cooling bed 601, one end of the cooling material discharging pipe 5 extends into the upper air-cooled type vibration cooling bed 601, the other end of the cooling material discharging pipe 5 is provided with a valve, one end of a hot air return-burning air supply pipe 7 extends into the upper air-cooled type vibration cooling bed 601, oxygen-containing cold air is changed into oxygen-containing hot air after being in contact with the materials between a material contact bed board 602 for heat exchange, and enters a cyclone dust collector 3 through the hot air return-burning air supply pipe 7 for gas dust separation, separated dust enters a bed surface through an output pipe to be cooled and then is discharged through a cooling material discharge pipe 5, separated oxygen-containing hot air enters a split type preheating air type high-temperature combustor 2 to be used as an oxygen source to be mixed and combusted with combustible materials such as natural gas or diesel oil, energy conservation and consumption reduction are effectively realized, one end of a cold air inlet pipe 604 is welded and installed with a cold air inlet box 4, the cold air inlet pipe 604 is communicated with the interior of the cold air inlet box 4, an air inlet pipeline is welded and installed on the outer surface of the rear side of the cold air inlet box 4, one end of the air inlet pipeline extends to the interior of the cold air inlet box 4, a one-way valve is arranged on the air inlet pipeline, calcined materials are added into an upper air cooling type vibration cooling bed 601 when passing through a high-temperature material discharge pipe 8 under the action of gravity, the high-temperature materials firstly contact a bed board 602 after entering the upper air cooling type vibration cooling bed 601, and the start of a vibration motor 603 is controlled, under the effect that vibrating motor 603 starts flat the face that becomes rapidly with high temperature material, and beat toward 5 directions of cooling material discharging pipe, at the in-process of beating, connect air supply equipment with the other end of intake stack, then under the effect of last air-cooled cloth wind otter board 605 when wind passes through cold wind box 4, evenly blow to the material on, on the one hand the forced air cooling evenly makes the material cooling even, the effectual production efficiency who strengthens this device, on the other hand is difficult for blowing up the dust, material loss has been avoided.

The working principle is as follows: when the calcined material passes through the high-temperature material discharging pipe 8 under the action of gravity, the calcined material is added into the upper air-cooling type vibration cooling bed 601, after the high-temperature material enters the upper air-cooling type vibration cooling bed 601, the high-temperature material is firstly contacted with the bed board 602, the starting of the vibration motor 603 is controlled, the high-temperature material is quickly dispersed into a surface under the starting action of the vibration motor 603, the surface jumps towards the cooling material discharging pipe 5, in the jumping process, the other end of the air inlet pipe is connected with an air supply device, then air is uniformly blown onto the material under the action of the upper air-cooling type air distribution net plate 605 when passing through the cold air inlet box 4, dust is not easily blown, after the contact heat exchange between the oxygen-containing cold air and the material contacting with the bed board 602, the oxygen-containing cold air is changed into oxygen-containing hot air, the oxygen-containing hot air enters the cyclone dust collector 3 through the hot air supply pipe 7 for gas-dust separation, the separated dust enters the bed surface through the output pipe for cooling, and is discharged through the cooling material discharging pipe 5, the separated hot air containing oxygen enters the split type preheating air type high-temperature combustor 2 to be used as an oxygen source to be mixed and combusted with combustible materials such as natural gas or diesel oil, and the like, so that energy conservation and consumption reduction are realized.

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 (6)

1. The utility model provides a special gas material cooling system that preheats of ultra-high temperature calcining kiln, includes calcining kiln discharging device (1), its characterized in that: the outer surface of one side of the calcining kiln discharging device (1) is welded and installed with a split type preheating air type high-temperature combustor (2), the output end of the split type preheating air type high-temperature combustor (2) extends to the inside of the calcining kiln discharging device (1), the air inlet end of the split type preheating air type high-temperature combustor (2) is fixedly connected with a connecting pipe, one end of the connecting pipe is provided with a cyclone dust collector (3), the connecting pipe is fixedly connected with the air outlet end of the cyclone dust collector (3), the dust outlet end of the cyclone dust collector (3) is welded and installed with an output pipe, the output pipe is communicated with the inside of the cyclone dust collector (3), one end of the output pipe is welded and installed with a cold air inlet box (4), the output pipe is communicated with the inside of the cold air inlet box (4), the bottom of the cold air inlet box (4) is provided with a vibration cooling mechanism (6), the dust inlet end of the cyclone dust collector (3) is fixedly connected with a hot air-back-burning air supply pipe (7), the outer surface of the bottom of the calcining kiln discharging device (1) is provided with a high-temperature material discharging pipe (8) in a welded mode, the high-temperature material discharging pipe (8) is communicated with the inside of the calcining kiln discharging device (1), one end of the high-temperature material discharging pipe (8) is provided with a high-temperature material chute (9), the adjacent ends of the high-temperature material discharging pipe (8) and the high-temperature material chute (9) are provided with a first threaded sleeve (10), a threaded groove is formed in the first threaded sleeve (10), one end of the first threaded sleeve (10) is sleeved on the outer wall of the high-temperature material discharging pipe (8), the other end of the first threaded sleeve (10) is sleeved on the outer wall of the high-temperature material chute (9) in a threaded mode, and a cooling material discharging pipe (5) and a high-temperature material feeding pipe (11) are arranged on the vibration cooling mechanism (6).

2. The system for cooling the preheated gas material specially used for the ultra-high temperature calcining kiln as claimed in claim 1, wherein: the vibration cooling mechanism (6) is composed of an upper air-cooled vibration cooling bed (601), a material contact bed board (602), a vibration motor (603), a cold air inlet pipe (604) and an upper air-cooled air distribution screen plate (605), a material contact bed board (602) is fixedly mounted inside an upper air-cooled type vibration cooling bed (601), a vibration motor (603) is mounted on the inner wall of the rear side of the upper air-cooled type vibration cooling bed (601) in a welded mode, an output shaft of the vibration motor (603) is in contact with the material contact bed board (602) through a coupler, a cold air inlet pipe (604) is mounted on the outer surface of the top of the upper air-cooled type vibration cooling bed (601) in a welded mode, the cold air inlet pipe (604) is communicated with the inside of the upper air-cooled type vibration cooling bed (601), an upper air-cooled type air distribution screen plate (605) is mounted on the inner wall of the rear side of the upper air-cooled type vibration cooling bed (601) in a welded mode, and the upper air-cooled type air distribution screen plate (605) is located right below the cold air inlet pipe (604).

3. The system for cooling the preheated gas material specially used for the ultra-high temperature calcining kiln as claimed in claim 2, wherein: go up the top surface welding of air-cooled vibration cooling bed (601) and install high temperature material inlet pipe (11), high temperature material inlet pipe (11) communicate with each other with the inside of going up air-cooled vibration cooling bed (601), the adjacent end with high temperature material chute (9) of high temperature material inlet pipe (11) is provided with second thread bush (12), the thread groove has been seted up to the inside of second thread bush (12), the outer wall of high temperature material inlet pipe (11) is located to the one end thread bush of second thread bush (12), the outer wall of high temperature material chute (9) is located to the other end thread bush of second thread bush (12).

4. The system for cooling the preheated gas material specially used for the ultra-high temperature calcining kiln as claimed in claim 3, wherein: the outer surface of one side of the upper air-cooled type vibration cooling bed (601) is welded with a cooling material discharging pipe (5), one end of the cooling material discharging pipe (5) extends into the upper air-cooled type vibration cooling bed (601), and the other end of the cooling material discharging pipe (5) is provided with a valve.

5. The system for cooling the preheated gas material specially used for the ultra-high temperature calcining kiln as claimed in claim 4, wherein: one end of the hot air return-burning blast pipe (7) extends into the upper air-cooled vibration cooling bed (601).

6. The system for cooling the preheated gas material specially used for the ultra-high temperature calcining kiln as claimed in claim 5, wherein: one end of the cold air inlet pipe (604) is welded with the cold air inlet box (4), the cold air inlet pipe (604) is communicated with the inside of the cold air inlet box (4), an air inlet pipeline is welded on the outer surface of the rear side of the cold air inlet box (4), one end of the air inlet pipeline extends to the inside of the cold air inlet box (4), and a one-way valve is arranged on the air inlet pipeline.

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