CN112050643B - Adjustment method for deviation of sintering machine running direction - Google Patents
Adjustment method for deviation of sintering machine running direction Download PDFInfo
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- CN112050643B CN112050643B CN202010805887.7A CN202010805887A CN112050643B CN 112050643 B CN112050643 B CN 112050643B CN 202010805887 A CN202010805887 A CN 202010805887A CN 112050643 B CN112050643 B CN 112050643B
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- sintering machine
- bearing seat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/12—Travelling or movable supports or containers for the charge
- F27D3/123—Furnace cars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0059—Regulation involving the control of the conveyor movement, e.g. speed or sequences
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for adjusting deviation of the running direction of a sintering machine, which is used for adjusting the fault of the deviation of the running direction of a trolley of the sintering machine by utilizing the daily overhaul time and the normal production time of the sintering machine without an additional auxiliary device or stopping the sintering machine during production to adjust the trolley, thereby not influencing the normal production of the sintering machine.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a method for adjusting the deviation of the running direction of a sintering machine.
Background
The strand sintering machine is a large key device for metal smelting enterprises, and the metal smelting enterprises generally use the strand sintering machine to treat mineral powder and sinter the mineral powder into agglomerate for smelting. The strand sintering machine is influenced by various factors in the operation process, a trolley of the strand sintering machine is in a severe environment with high temperature and high dust for a long time, the operation direction of the trolley deviates, the rim of the trolley wheel and the side surface of a steel rail are extruded, the rail is abraded due to serious extrusion, the bearing of the trolley wheel is damaged, the load of a driving system is increased, the current of a driving motor is damaged, and a speed reducer is damaged. The method for processing the fault usually comprises the steps of stopping the production of the sintering machine, lifting out a sintering machine trolley, detecting and adjusting the verticality between the axes of star wheels at two ends of the sintering machine and the rails of the sintering machine, and detecting and adjusting the height error and the levelness of the rails at two sides of the sintering machine, wherein the method needs the time for stopping the production of the sintering machine to be not less than 5 days, and can be carried out usually during annual overhaul.
In order to solve the problems, a patent document sintering trolley deviation adjusting device (CN202010195213X) discloses a sintering trolley deviation adjusting device capable of carrying out trolley alignment under the condition that a sintering machine does not stop, a lead screw is rotated to push a trolley to move so as to finish the trolley alignment work, and the phenomenon that the trolley gnaws a rail is avoided; patent document (CN2019209136024) discloses a device for controlling deviation of a sintering machine trolley on line, which is a device for forcibly adjusting the deviation of the trolley by adding two groups of catch wheels on two sides of an ascending trolley and a descending trolley at the head of the sintering machine respectively. The above solutions are substantially to add an auxiliary device with anti-deviation function on the original structure of the sintering pallet to reduce the maintenance time of the sintering pallet as much as possible, but the above solutions still have defects, because the sintering pallet with long service time basically has the problem of deviation, even if an auxiliary device for correcting the direction of the pallet is added, the pallet is in a severe environment with high temperature and high dust for a long time, the auxiliary device in direct contact with the pallet can be continuously influenced, once the deviation angle of the pallet is larger than the adjustable range of the auxiliary device, the production of the sintering machine needs to be stopped for maintenance as usual, and because the auxiliary device is added, the structure of the sintering machine becomes more complicated, the working strength of maintenance personnel is increased, and much time and manpower are consumed for the maintenance and subsequent adjustment of the auxiliary device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for adjusting the deviation of the running direction of a sintering machine, which adjusts the fault of the deviation of the running direction of a trolley of the sintering machine by utilizing the daily overhaul time and the normal production time of the sintering machine, and solves the problem that the production of the sintering machine needs to be stopped when the trolley with the deviated running direction of the sintering machine is maintained.
The technical purpose of the invention is realized by the following technical scheme:
a method for adjusting the deviation of the running direction of a sintering machine comprises the following steps,
s1, in the head driving star wheel of the sintering machine, one side bearing seat connected with the flexible transmission speed reducer is a fixed bearing seat, the other side bearing seat not connected with the flexible transmission speed reducer is a movable bearing seat, after the sintering machine normally operates for a period of time, the operation condition of the sintering machine is observed, if the side of the wheel on one side of the fixed bearing seat or the movable bearing seat and the side of the corresponding butted track have serious extrusion, the movable bearing seat is adjusted to move towards the tail star wheel until the side of the wheel on one side of the fixed bearing seat or the movable bearing seat does not extrude with the side of the corresponding track;
s2, if the wheels on two sides of the trolley and the side surfaces of the corresponding butt-jointed rails have gaps and are not in a severe extrusion state, the adjustment is completed, and if the distance between the wheels on one side of the rails and the side surfaces of the corresponding rails is larger, the wheels on the other side of the rails and the side surfaces of the corresponding rails have no gaps and are in a severe extrusion state, the subsequent adjustment is carried out;
s3, horizontally adjusting the movable bearing seat of the driving star wheel to move in the direction far away from the tail star wheel until the wheels on the two sides of the trolley and the side surface of the corresponding butt-jointed rail have gaps and are not in a serious extrusion state;
and S4, after observing the normal production operation of the sintering machine for a period of time, repeating the operation to adjust the position of the movable bearing seat until the wheels of the trolley and the rails at the two sides are not seriously extruded.
In one embodiment, the method further comprises an adjusting process of the track before adjustment, and the method comprises the following steps:
detecting and recording the levelness and the distance between the left and right rails of the sintering machine trolley;
adjusting the horizontal heights of the rails on the two sides of the sintering pallet according to the data recorded by detection;
and adjusting the distance and the straightness of the tracks on the two sides of the sintering pallet according to the data recorded by detection.
In one embodiment, after the tracks are adjusted, the movable bearing seats of the sintering machine are adjusted after the sintering machine normally operates for a period of time.
In one embodiment, after the tracks are adjusted and the sintering machine normally operates for more than 2 hours, the movable bearing seat of the sintering machine is adjusted.
In one embodiment, the adjustment process of the rails before adjustment is carried out in the daily overhaul time of the sintering machine, the adjustment process can be completed by using the downtime of multiple times of daily overhaul, and the adjustment process of the movable bearing seat of the head driving star wheel of the sintering machine is carried out in the normal production state of the sintering machine.
In one embodiment, the maximum error of the height difference of the two horizontal rails is not more than 2mm, the maximum error of the space between the two rails is not more than 2mm, and the error of the straightness of the two rails is less than 2 mm.
In one embodiment, S1, the adjustment amount of the movable bearing seat is not more than 2mm each time the movable bearing seat is adjusted to move towards the direction of the tail star wheel.
In one embodiment, the horizontal adjustment amount of the movable bearing seat when the movable bearing seat of the horizontal adjustment drive star wheel moves away from the tail star wheel in the step 3 is 50% of the adjustment amount of the last adjustment of the movable bearing seat moving towards the tail star wheel in the step 1.
In one embodiment, S4, the adjustment amount of the movable bearing seat is not more than 1mm each time.
In one embodiment, the operation condition of the sintering machine needs to be observed for more than 2 hours each time the movable bearing seat is adjusted.
In conclusion, the invention has the following beneficial effects:
the invention adjusts the angle between the axis of the star wheel of the sintering machine and the track in the production state of the sintering machine, adjusts the angle each time by a small amount, observes for a period of time after adjustment, and adjusts the next time according to the situation until no serious extrusion exists between the wheel rim of the pallet and the track.
Drawings
Fig. 1 is a schematic view of the trolley of the present invention.
Reference numerals: the method comprises the following steps of 1-a motor, 2-an auxiliary speed reducer, 3-a flexible transmission speed reducer, 4-a driving star wheel north bearing seat, 5-a driving star wheel shaft, 6-a driving star wheel south bearing seat, 7-a south trolley wheel, 8-a south rail, 9-a north trolley wheel, 10-a north rail, 11-a tail star wheel south bearing seat and 12-a tail star wheel north bearing seat.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
In the following specific examples, the operation time of the sintering machine is more than 10 years, the wheels of the sintering machine trolley and the side surface of the steel track are seriously extruded, the wear of the wheels and the track is fast, the driving force of the driving system is continuously increased, the fault of tripping and power failure caused by overlarge current of the sintering machine motor 1 often occurs, and the normal production is seriously influenced.
As shown in fig. 1, the east direction of the trolley is a tail star wheel, and the tail star wheel comprises a tail star wheel south bearing seat 11 and a tail star wheel north bearing seat 12; the west direction of the trolley is a head driving star wheel, and the head driving star wheel comprises a driving star wheel north bearing seat 4 and a driving star wheel south bearing seat 6 which are connected by a driving star wheel shaft 5; the south rail 8 is positioned between the south bearing seat 11 of the tail star wheel and the south bearing seat 6 of the driving star wheel, and the south trolley wheels 7 are connected with the south rail 8; the north track 10 is positioned between the tail star wheel north bearing seat 12 and the driving star wheel north bearing seat 4, and the north trolley wheel 9 is connected with the north track 10; the motor 1 is connected with the auxiliary speed reducer 2, the auxiliary speed reducer 2 is connected with the flexible transmission speed reducer 3, the driving star wheel north bearing seat 4 is connected with the flexible transmission speed reducer 3 (namely a fixed bearing seat), and the driving star wheel south bearing seat 6 is a movable bearing seat.
The sintering machine to which the present invention is applied includes the following steps.
Detecting and recording the levelness of the south track 8 and the north track 10 of the sintering pallet and the distance between the south track 8 and the north track 10;
according to the data recorded by detection, the levelness of the south track 8 and the north track 10 is adjusted, a gasket is added or subtracted below the south track 8 and the north track 10, and the maximum error of the height difference of the tracks at two sides is adjusted to be within 2 mm;
according to the data recorded by detection, the straightness of the south track 8 and the north track 10 is adjusted, the error of the straightness is less than 2mm, and the maximum error of the distance between the north track 10 and the south track 8 is adjusted to be within 2 mm;
the above steps are performed in a production stop state of daily maintenance of the sintering machine, and the following steps are performed in a state of normal production of the sintering machine;
after the daily maintenance of the sintering machine is finished and the starting production is operated for 24 hours, observing the operation condition of the sintering machine, and adjusting a south bearing seat 6 (namely a movable bearing seat) of a driving star wheel to the east (namely to the direction close to a tail star wheel) by adjusting the south face of the driving star wheel (namely to the direction close to the tail star wheel) under the condition that the south face trolley wheel 7 and a south face rail 8 of the sintering machine are pressed close to and extruded, wherein the adjustment amount is 2 mm;
after the adjustment is completed, after the sintering machine normally produces for 24 hours, the operation condition of the sintering machine is observed, the phenomenon that the south trolley wheels 7 and the south tracks 8 are pressed close to each other is found, but the current of the motor 1 of the sintering machine is reduced compared with that of the previous day, the south bearing seats 6 of the driving star wheels are continuously adjusted to the east, and the adjustment amount is 2 mm;
after the adjustment is completed, after the sintering machine normally produces for 24 hours, the operation condition of the sintering machine is observed, about three-fourth of south trolley wheels 7 are close to the south rail 8, about one-fourth of south trolley wheels 7 and the south rail 8 have a gap, the current of a motor 1 of the sintering machine is reduced compared with that of the previous day, the south bearing seat 6 of the driving star wheel is continuously adjusted to the east, and the adjustment amount is 1 mm;
after the adjustment is completed, after the sintering machine normally produces for 24 hours, the operation condition of the sintering machine is observed, gaps exist between all south trolley wheels 7 and south tracks 8, but when the trolleys run to the tail part of the sintering machine, the north trolley wheels 9 and the north tracks 10 in the northeast direction are close to each other, the current of a motor 1 of the sintering machine is not obviously reduced or increased compared with that in the previous day, the south bearing seats 6 of the driving star wheel are adjusted towards the west, and the adjustment amount is 0.5 mm.
After the adjustment is completed, after the sintering machine is normally produced for 24 hours, the operation condition of the sintering machine is observed, about 90 percent of south trolley wheels 7 and south tracks 8 have gaps, about 90 percent of north trolley wheels 9 and north tracks 10 have gaps, about 10 percent of south trolley wheels 7 and south tracks 8 and about 10 percent of north trolley wheels 9 and north tracks 10 are close to each other, but the extrusion force is small, after the adjustment is completed, the current of a motor 1 of the sintering machine is reduced by about 17 percent, and the adjustment purpose and effect are achieved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A method for adjusting the deviation of the running direction of a sintering machine is characterized by comprising the following steps,
s1, in the head driving star wheel of the sintering machine, one side bearing seat connected with the flexible transmission speed reducer is a fixed bearing seat, the other side bearing seat not connected with the flexible transmission speed reducer is a movable bearing seat, if the side of the rail which is correspondingly butted with the wheel on one side of the fixed bearing seat or the movable bearing seat is seriously extruded, the movable bearing seat is adjusted to move towards the tail star wheel until the side of the rail which is correspondingly butted with the wheel on one side of the fixed bearing seat or the movable bearing seat is not extruded;
s2, if the wheels on two sides of the trolley and the side surfaces of the corresponding butt-jointed rails have gaps and are not in a severe extrusion state, the adjustment is completed, and if the distance between the wheels on one side of the rails and the side surfaces of the corresponding rails is larger, the wheels on the other side of the rails and the side surfaces of the corresponding rails have no gaps and are in a severe extrusion state, the subsequent adjustment is carried out;
s3, horizontally adjusting the movable bearing seat of the driving star wheel to move in the direction far away from the tail star wheel until the wheels on the two sides of the trolley and the side surface of the corresponding butt-jointed rail have gaps and are not in a serious extrusion state;
and S4, after observing the normal production operation of the sintering machine for a period of time, repeating the operation to adjust the position of the movable bearing seat until the wheels of the trolley and the rails at the two sides are not seriously extruded.
2. The method for adjusting the deviation of the traveling direction of the sintering machine according to claim 1, further comprising the process of adjusting the rails before adjustment, comprising the steps of:
detecting and recording the levelness and the distance between the left and right rails of the sintering machine trolley;
adjusting the horizontal heights of the rails on the two sides of the sintering pallet according to the data recorded by detection;
and adjusting the distance and the straightness of the tracks on the two sides of the sintering pallet according to the data recorded by detection.
3. The method of adjusting deviation of the sintering machine's operation direction according to claim 2, wherein after adjusting the rails, the movable bearing seat of the sintering machine is adjusted after a period of normal operation of the sintering machine.
4. The method of claim 3, wherein the adjustment of the movable bearing seat of the sintering machine is performed after the adjustment of the rails and the sintering machine normally operates for more than 2 hours.
5. The method for adjusting deviation of the running direction of a sintering machine according to claim 3, characterized in that the adjustment process of the rails before adjustment is performed during the routine maintenance time of the sintering machine, and can be completed by using the downtime of a plurality of routine maintenance, and the adjustment process of the movable bearing seat of the head driving star wheel of the sintering machine is performed in the normal production state of the sintering machine.
6. The method of claim 2, wherein the maximum error of the height difference between the two rails in the horizontal direction is not more than 2mm, the maximum error of the distance between the two rails is not more than 2mm, and the error of the straightness of the two rails is less than 2 mm.
7. The method for adjusting the deviation of the traveling direction of the sintering machine according to claim 1, wherein the adjustment amount of the movable bearing seat each time when the movable bearing seat is adjusted to move towards the direction of the tail star wheel is not more than 2mm at S1.
8. The method of claim 7, wherein the step of adjusting the deviation of the sintering machine direction of travel is performed in step S3 in which the amount of horizontal adjustment of the movable bearing blocks during the movement of the movable bearing blocks of the horizontal adjustment drive starwheel away from the tail starwheel is 50% of the amount of adjustment of the last adjustment of the movable bearing blocks in step S1.
9. The method of adjusting deviation of the traveling direction of a sintering machine according to claim 8, wherein the movable bearing seats are adjusted by not more than 1mm at a time S4.
10. The method of adjusting deviation of the sintering machine's operation direction according to any one of claims 1 to 9, wherein the operation condition of the sintering machine is observed for more than 2 hours each time the movable bearing seat is adjusted.
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| CN202010805887.7A CN112050643B (en) | 2020-08-12 | 2020-08-12 | Adjustment method for deviation of sintering machine running direction |
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| CN202010805887.7A CN112050643B (en) | 2020-08-12 | 2020-08-12 | Adjustment method for deviation of sintering machine running direction |
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| CN113790596A (en) * | 2021-08-24 | 2021-12-14 | 马钢集团设计研究院有限责任公司 | Sintering trolley quick replacement device and replacement method thereof |
| CN113804012A (en) * | 2021-09-09 | 2021-12-17 | 包头钢铁（集团）有限责任公司 | Fault processing method for sintering machine |
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