CN202829852U - Lime rotary kiln preheater capable of being regulated and controlled - Google Patents

Lime rotary kiln preheater capable of being regulated and controlled Download PDF

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Publication number
CN202829852U
CN202829852U CN201220440168.0U CN201220440168U CN202829852U CN 202829852 U CN202829852 U CN 202829852U CN 201220440168 U CN201220440168 U CN 201220440168U CN 202829852 U CN202829852 U CN 202829852U
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CN
China
Prior art keywords
push rod
rotary kiln
lime rotary
filler neck
kiln preheater
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Expired - Lifetime
Application number
CN201220440168.0U
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Chinese (zh)
Inventor
左大武
宋双彦
栾海燕
秦国利
孟海平
陈玉明
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Baosteel Engineering and Technology Group Co Ltd
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Baosteel Engineering and Technology Group Co Ltd
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Priority to CN201220440168.0U priority Critical patent/CN202829852U/en
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Abstract

The utility model relates to the preheat treatment field of lime, in particular to a lime rotary kiln preheater capable of being regulated and controlled. The lime rotary kiln preheater capable of being regulated and controlled comprises a loading device (1), a blanking device (2) and a material pushing device (3). The lime rotary kiln preheater capable of being regulated and controlled is characterized by further comprising a control device (4). The loading device (1) is composed of a storage bin (11). The blanking device (2) is composed of a blanking hopper (21), a material supporting plate (22) and a discharging tube (23). The material pushing device (3) is composed of an upper rod (31), a lower rod (32), a push rod (33) and a push plate (34). The control device (4) is composed of a temperature sensor (41), a servo motor (42) and a controller (43). The lime rotary kiln preheater capable of being regulated and controlled has the advantages of being even and effective in preheating, flexible and reliable in adjustment, long in service life and high in work efficiency.

Description

Can regulate and control lime rotary kiln preheater
Technical field
The utility model relates to the thermal pretreatment field of lime, is specially a kind of lime rotary kiln preheater of regulating and control.
Background technology
The Active Lime Rotary Kiln preheater is to utilize hot waste gas to adopt convection type heating Wingdale raw material, to reach purpose energy-conservation and the raising work efficiency.Preheater main body commonly used is made of three parts at present: feeder, material-pulling device and blanking device, feeder is bucket formula structure ringwise, inside all connects except structural beams, because the Wingdale raw material exists this difference in size and component segregation phenomenon, after being transfused to feeder, can make local raw material overheated, perhaps become flat too many, the utilization of waste used heat; Material-pulling device is used for pushing preheated Wingdale raw material to blanking device; Blanking device is rounded funneling, the Shang Quan of funnel connects with one heart with lower circle, and the raw material drop point after the pusher all concentrates on the center of circle of blanking device like this, has increased the weight of distortion and the wearing and tearing of hopper centre's bottom stock supporting plate, shorten work-ing life, also increased the shutdown maintenance time.
The utility model content
In order to overcome the defective of prior art, provide a kind of simple in structure, easy for installation, heat utilization ratio is high, the supporting Wingdale preliminary heating device of the lime rotary kiln of long service life, the utility model discloses a kind of lime rotary kiln preheater of regulating and control.
The utility model reaches goal of the invention by following technical solution:
A kind ofly regulate and control lime rotary kiln preheater, comprise feeder, blanking device and material-pulling device, the discharge port of feeder is over against the opening for feed of blanking device, and material-pulling device is located at a side of blanking device discharge port, it is characterized in that:
Also comprise control device,
Feeder is comprised of feed bin, feed bin is made of the inner and outer wall of concentric setting, ring-like space between the inner and outer wall consists of the tapping channel of feed bin, at least 7 baffle for separatings in the bottom of tapping channel, two opposite side of dividing plate are separately fixed on the medial surface of the outer side of inwall and outer wall, adjacent dividing plate is separated at least 7 minutes compartments (122) with tapping channel, pass into the hot gas air exhaust branch pipe in each minute compartment, dividing the bottom of compartment is feed opening, and feed opening is as the discharge port of feeder;
Blanking device is comprised of lower funnel, stock supporting plate and discharge nozzle, lower funnel is tightly connected by hopper walls and filler neck and forms, hopper walls is conical, the bottom surface of hopper walls is as the opening for feed of blanking device, each minute, the feed opening of compartment all was positioned at the top of hopper walls, the place, summit of hopper walls and the upper end of filler neck connect and are tightly connected, and the cross section of filler neck is rectangle; Stock supporting plate is obliquely installed, and stock supporting plate is over against the lower end of filler neck, and one side of stock supporting plate and the lower end of filler neck are tightly connected; Be tightly connected the respectively lower end of stock supporting plate and filler neck of one end of discharge nozzle;
Material-pulling device is comprised of upper boom, lower beam, push rod and push pedal, the upper end of upper boom and the lower end of lower beam are separately fixed on the outer wall of preheating chamber, be connected the upper end and connect in the lower end of upper boom with lower beam, the expansion link that push rod is comprised of fixed body and extrusome, one end of push rod fixed body is connected to the coupling end of upper boom and lower beam, push pedal is fixed on an end of push rod extrusome, and the top of lower funnel hopper walls all is located in push rod and push pedal;
Control device is comprised of temperature sensor, servomotor and controller, respectively establish a temperature sensor in each of feed bin minute compartment, the output shaft of servomotor is connected push rod and is connected with material-pulling device, temperature sensor is connected with servomotor and is connected controller by signal wire.
Describedly regulate and control lime rotary kiln preheater, it is characterized in that: the quantity of dividing plate is 3~20, and dividing plate is evenly distributed around tapping channel.
Describedly regulate and control lime rotary kiln preheater, it is characterized in that: the drift angle of lower funnel hopper walls is at 120 °~170 °, and the internal diameter of filler neck is 1/3~2/3 of blanking funnel bottom surface diameter.
Describedly regulate and control lime rotary kiln preheater, it is characterized in that: push rod is selected oil cylinder or cylinder, and cylinder body is as the fixed body of push rod, and piston rod is as the extrusome of push rod.
Describedly regulate and control lime rotary kiln preheater, it is characterized in that: controller is selected micro-chip or microcomputer.
When the utility model uses, the Wingdale raw material of normal temperature state drops into feed bin, the Wingdale raw material enters each minute compartment through the tapping channel of feed bin successively, the waste gas of the condition of high temperature is inputted from discharge nozzle, behind filler neck and hopper walls, also diffuse into successively each minute compartment, minute compartment and minute compartment to the space between the hopper walls all as the preheating chamber that heat exchange occurs; In preheating chamber sodalime stone raw material and waste gas generation heat exchange, after being heated, the Wingdale raw material drops down onto on the hopper walls of lower funnel, under the promotion of material-pulling device push rod, push pedal is pushed into filler neck to the Wingdale raw material on the hopper walls, the Wingdale raw material drops down onto on the stock supporting plate from filler neck, delivers to rotary kiln through discharge nozzle again; Waste gas is lowered the temperature enters a minute compartment by feed opening, discharges through hot gas air exhaust branch pipe input air draft house steward again; In the process of Wingdale raw material preheating, the temperature sensor of control device divides the temperature information of compartment in real time to the controller transmission, according to setting, when the temperature in minute compartment is higher than set(ting)value, controller sends the instruction of accelerating pusher to servomotor, servomotor drives push rod and improves the frequency that promotion Wingdale raw material enters filler neck, makes waste gas and more Wingdale raw material generation heat exchange, with the rising of temperature in the control minute compartment; And when the temperature in minute compartment is lower than set(ting)value, controller sends the instruction of the pusher that slows down to servomotor, servomotor drives push rod and reduces the frequency that promotion Wingdale raw material enters filler neck, makes waste gas and Wingdale raw material generation heat exchange still less, with the decline of temperature in the control minute compartment.
The beneficial effects of the utility model are: 1. owing to there being dividing plate evenly to separate, air-flow distributes more even than the system storehouse of not taking to separate measure, has reduced the deflation phenomenon, to the preheating of material also more even effectively; 2. can monitor the preheating temperature in each minute compartment, control the time of heat exchange by changing the pusher frequency, thus the temperature of control combustion gas, and flexible adjustment is reliably effective; 3. descend the discharging point of the further dispersion stone lime stone raw material of structure energy of funnel circular upper part and square lower part, to the impact of stock supporting plate, delayed the wearing and tearing of stock supporting plate when having reduced blanking, can improve work-ing life more than one times, reduced the shutdown maintenance time, improved work efficiency.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that A-A among Fig. 1 is to view;
Fig. 3 is that B among Fig. 1 is to view;
Fig. 4 is the structural representation of control device in the utility model.
Embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
A kind ofly regulate and control lime rotary kiln preheater, comprise feeder 1, blanking device 2, material-pulling device 3 and control device 4, such as Fig. 1~shown in Figure 4, concrete structure is:
The discharge port of feeder 1 is over against the opening for feed of blanking device 2, and material-pulling device 3 is located at a side of blanking device 1 discharge port,
Feeder 1 is comprised of feed bin 11, feed bin 11 is made of inwall 111 and the outer wall 112 of concentric setting, ring-like space between inwall 111 and the outer wall 112 consists of the tapping channel 121 of feed bin 11, separate with at least 7 dividing plates 113 bottom of tapping channel 121, two opposite side of dividing plate 113 are separately fixed on the medial surface of the outer side of inwall 111 and outer wall 112, adjacent dividing plate 113 is separated at least 7 minutes compartments 122 with tapping channel, pass into hot gas air exhaust branch pipe 114 in each minute compartment 122, dividing the bottom of compartment 122 is feed opening 123, and feed opening 123 is as the discharge port of feeder 1; Divide the preheating chamber of compartment 122 as Wingdale raw material and waste gas generation heat exchange;
Blanking device 2 is comprised of lower funnel 21, stock supporting plate 22 and discharge nozzle 23, lower funnel 21 is tightly connected by hopper walls 211 and filler neck 212 and forms, hopper walls 211 is conical, the bottom surface of hopper walls 211 is as the opening for feed of blanking device 2, each minute, compartment 122 feed opening 123 all was positioned at the top of hopper walls 211, the place, summit of hopper walls 211 and the upper end of filler neck 212 connect and are tightly connected, and the cross section of filler neck 212 is rectangle; Stock supporting plate 22 is obliquely installed, and stock supporting plate 22 is over against the lower end of filler neck 212, and the lower end of one side of stock supporting plate 22 and filler neck 212 is tightly connected; Be tightly connected the respectively lower end of stock supporting plate 22 and filler neck 212 of one end of discharge nozzle 23;
Material-pulling device 3 is comprised of upper boom 31, lower beam 32, push rod 33 and push pedal 34, the lower end of the upper end of upper boom 31 and lower beam 32 is separately fixed on the outer wall of preheating chamber 12, the upper end of being connected with lower beam in the lower end of upper boom 31 connects, the expansion link that push rod 33 is comprised of fixed body and extrusome, one end of push rod 33 fixed bodies is connected to the coupling end of upper boom 31 and lower beam 32, push pedal 34 is fixed on an end of push rod 33 extrusomes, and the top of lower funnel 21 hopper walls 211 all is located in push rod 33 and push pedal 34;
Control device 4 is comprised of temperature sensor 41, servomotor 42 and controller 43, respectively establish a temperature sensor 41 in each of feed bin 11 minute compartment 122, the push rod 33 that the output shaft of servomotor 42 is connected with material-pulling device connects, and temperature sensor 41 is connected with servomotor all by signal wire connection controller 43.
In the present embodiment, the quantity of dividing plate 113 is 12, and dividing plate 113 is evenly distributed around tapping channel 121; The drift angle of lower funnel 21 hopper walls 211 is 145 °, and the internal diameter of filler neck 212 is 1/2 of lower funnel 21 bottom surface diameters; Push rod 33 is selected oil cylinder, and cylinder body is as the fixed body of push rod 33, and piston rod is as the extrusome of push rod 33; Controller 43 is selected micro-chip.
When the present embodiment uses, the Wingdale raw material of normal temperature state drops into feed bin 11, the Wingdale raw material enters each minute compartment 122 through the tapping channel 121 of feed bin 11 successively, the waste gas of the condition of high temperature is from discharge nozzle 23 inputs, behind filler neck 212 and hopper walls 211, also diffuse into successively each minute compartment 122, minute compartment 122 and minute compartment 122 to the space between the hopper walls 211 all as the preheating chamber that heat exchange occurs; In preheating chamber sodalime stone raw material and waste gas generation heat exchange, after being heated, the Wingdale raw material drops down onto on the hopper walls 211 of lower funnel 21, under the promotion of material-pulling device 3 push rods 33, push pedal 34 is pushed into filler neck 212 to the Wingdale raw material on the hopper walls 211, the Wingdale raw material drops down onto on the stock supporting plate 22 from filler neck 212, delivers to rotary kiln through discharge nozzle 23 again; Waste gas is lowered the temperature enters minute compartment 122 by feed opening 123, discharges through hot gas air exhaust branch pipe 114 input air draft house stewards again; In the process of Wingdale raw material preheating, the temperature sensor 41 of control device 4 transmits the temperature information of minute compartment 122 in real time to controller 43, according to setting, when the temperature in minute compartment 122 is higher than set(ting)value, controller 43 sends the instruction of accelerating pusher to servomotor 42, servomotor 42 drives push rod 33 and improves the frequency that promotion Wingdale raw material enters filler neck 212, makes waste gas and more Wingdale raw material generation heat exchange, with the rising of control minute compartment 122 interior temperature; And when the temperature in minute compartment 122 is lower than set(ting)value, controller 43 sends the instruction of the pusher that slows down to servomotor 42, servomotor 42 drives push rod 33 and reduces the frequency that promotion Wingdale raw material enters filler neck 212, make waste gas and Wingdale raw material generation heat exchange still less, with the decline of control minute compartment 122 interior temperature.
Embodiment 2
A kind ofly regulate and control lime rotary kiln preheater, comprise feeder 1, blanking device 2, material-pulling device 3 and control device 4, the quantity of dividing plate 113 is 3, and dividing plate 113 is evenly distributed around tapping channel 121; The drift angle of lower funnel 21 hopper walls 211 is 120 °, and the internal diameter of filler neck 212 is 1/3 of lower funnel 21 bottom surface diameters; Push rod 33 is selected cylinder, and cylinder body is as the fixed body of push rod 33, and piston rod is as the extrusome of push rod 33; Controller 43 is selected microcomputer.Other structures and using method are all same with embodiment 1.
Embodiment 3
A kind ofly regulate and control lime rotary kiln preheater, comprise feeder 1, blanking device 2, material-pulling device 3 and control device 4, the quantity of dividing plate 113 is 20, and dividing plate 113 is evenly distributed around tapping channel 121; The drift angle of lower funnel 21 hopper walls 211 is 170 °, and the internal diameter of filler neck 212 is 2/3 of lower funnel 21 bottom surface diameters; Push rod 33 is selected oil cylinder, and cylinder body is as the fixed body of push rod 33, and piston rod is as the extrusome of push rod 33; Controller 43 is selected microcomputer.Controller 43 is selected microcomputer.Other structures and using method are all same with embodiment 1.

Claims (8)

1. can regulate and control lime rotary kiln preheater for one kind, comprise feeder (1), blanking device (2) and material-pulling device (3), the discharge port of feeder (1) is over against the opening for feed of blanking device (2), material-pulling device (3) is located at a side of blanking device (1) discharge port, it is characterized in that:
Also comprise control device (4),
Feeder (1) is comprised of feed bin (11), feed bin (11) is made of inwall (111) and the outer wall (112) of concentric setting, ring-like space between inwall (111) and the outer wall (112) consists of the tapping channel (121) of feed bin (11), separate with at least 7 dividing plates (113) bottom of tapping channel (121), two opposite side of dividing plate (113) are separately fixed on the medial surface of the outer side of inwall (111) and outer wall (112), adjacent dividing plate (113) is separated at least 7 minutes compartments (122) with tapping channel, pass into hot gas air exhaust branch pipe (114) in each minute compartment (122), dividing the bottom of compartment (122) is feed opening (123), and feed opening (123) is as the discharge port of feeder (1);
Blanking device (2) is by lower funnel (21), stock supporting plate (22) and discharge nozzle (23) form, lower funnel (21) is tightly connected by hopper walls (211) and filler neck (212) and forms, hopper walls (211) is conical, the bottom surface of hopper walls (211) is as the opening for feed of blanking device (2), the feed opening (123) of each minute compartment (122) all is positioned at the top of hopper walls (211), the place, summit of hopper walls (211) and the upper end of filler neck (212) connect and are tightly connected, and the cross section of filler neck (212) is rectangle; Stock supporting plate (22) is obliquely installed, and stock supporting plate (22) is over against the lower end of filler neck (212), and the lower end of one side of stock supporting plate (22) and filler neck (212) is tightly connected; Be tightly connected the respectively lower end of stock supporting plate (22) and filler neck (212) of one end of discharge nozzle (23);
Material-pulling device (3) is by upper boom (31), lower beam (32), push rod (33) and push pedal (34) form, the lower end of the upper end of upper boom (31) and lower beam (32) is separately fixed on the outer wall of preheating chamber (12), the lower end of upper boom (31) is connected 32 with lower beam) the upper end connect, the expansion link that push rod (33) is comprised of fixed body and extrusome, one end of push rod (33) fixed body is connected to the coupling end of upper boom (31) and lower beam (32), push pedal (34) is fixed on an end of push rod (33) extrusome, and the top of lower funnel (21) hopper walls (211) all is located in push rod (33) and push pedal (34);
Control device (4) is comprised of temperature sensor (41), servomotor (42) and controller (43), respectively establish a temperature sensor (41) in each of feed bin (11) minute compartment (122), the output shaft of servomotor (42) is connected 3 with material-pulling device) push rod (33) connect, temperature sensor (41) is connected 42 with servomotor) all by signal wire connection controller (43).
2. as claimed in claim 1ly regulate and control lime rotary kiln preheater, it is characterized in that: the quantity of dividing plate (113) is 3~20, and dividing plate (113) is evenly distributed around tapping channel (121).
3. as claimed in claim 1 or 2ly regulate and control lime rotary kiln preheater, it is characterized in that: the drift angle of lower funnel (21) hopper walls (211) is at 120 °~170 °, and the internal diameter of filler neck (212) is 1/3~2/3 of lower funnel (21) bottom surface diameter.
4. as claimed in claim 1 or 2ly regulate and control lime rotary kiln preheater, it is characterized in that: push rod (33) is selected oil cylinder or cylinder, and cylinder body is as the fixed body of push rod (33), and piston rod is as the extrusome of push rod (33).
5. as claimed in claim 1 or 2ly regulate and control lime rotary kiln preheater, it is characterized in that: controller (43) is selected micro-chip or microcomputer.
6. as claimed in claim 3ly regulate and control lime rotary kiln preheater, it is characterized in that: push rod (33) is selected oil cylinder or cylinder, and cylinder body is as the fixed body of push rod (33), and piston rod is as the extrusome of push rod (33).
7. as claimed in claim 3ly regulate and control lime rotary kiln preheater, it is characterized in that: controller (43) is selected micro-chip or microcomputer.
8. as claimed in claim 4ly regulate and control lime rotary kiln preheater, it is characterized in that: controller (43) is selected micro-chip or microcomputer.
CN201220440168.0U 2012-08-31 2012-08-31 Lime rotary kiln preheater capable of being regulated and controlled Expired - Lifetime CN202829852U (en)

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CN201220440168.0U CN202829852U (en) 2012-08-31 2012-08-31 Lime rotary kiln preheater capable of being regulated and controlled

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Application Number Priority Date Filing Date Title
CN201220440168.0U CN202829852U (en) 2012-08-31 2012-08-31 Lime rotary kiln preheater capable of being regulated and controlled

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693866A (en) * 2013-12-12 2014-04-02 朝阳重型机器有限公司 High-chamber annular ventilation vertical preheater
CN111115032A (en) * 2019-12-23 2020-05-08 张顺元 Device for removing material accumulated in bin of preheater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693866A (en) * 2013-12-12 2014-04-02 朝阳重型机器有限公司 High-chamber annular ventilation vertical preheater
CN111115032A (en) * 2019-12-23 2020-05-08 张顺元 Device for removing material accumulated in bin of preheater

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Granted publication date: 20130327

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