CN111609717B - A device for treating blockage of slag discharge port of a rod heating furnace and a method for using the device - Google Patents
A device for treating blockage of slag discharge port of a rod heating furnace and a method for using the device Download PDFInfo
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- CN111609717B CN111609717B CN202010443150.5A CN202010443150A CN111609717B CN 111609717 B CN111609717 B CN 111609717B CN 202010443150 A CN202010443150 A CN 202010443150A CN 111609717 B CN111609717 B CN 111609717B
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- 239000002893 slag Substances 0.000 title claims abstract description 158
- 238000010438 heat treatment Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
本发明公开一种处理棒材加热炉排渣口堵塞的装置，包括设于加热炉外的悬臂辊、设于加热炉内与所述悬臂辊连接的悬臂辊子、设于所述悬臂辊子下方的排渣管以及设于所述排渣管下方的排渣装置，所述排渣装置包括液压油缸、顶杆和托盘，所述液压油缸的活塞杆头与所述顶杆下端可拆卸连接，所述顶杆上端与所述托盘连接，所述顶杆、所述托盘从排渣管的作业口置入所述排渣管内。液压油缸启动，顶杆带动托盘顶起落入排渣管的排渣口处的悬臂辊子。本发明还公开一种处理棒材加热炉排渣口堵塞的装置的使用方法，该装置以及使用方法使得悬臂辊子安全脱离排渣口，恢复加热炉排渣口的顺畅排渣功能，提高了异常作业的安全性与时效性。
The present invention discloses a device for treating a blockage in a slag discharge port of a bar heating furnace, comprising a cantilever roller arranged outside the heating furnace, a cantilever roller arranged inside the heating furnace and connected to the cantilever roller, a slag discharge pipe arranged below the cantilever roller, and a slag discharge device arranged below the slag discharge pipe, wherein the slag discharge device comprises a hydraulic cylinder, a push rod and a tray, the piston rod head of the hydraulic cylinder is detachably connected to the lower end of the push rod, the upper end of the push rod is connected to the tray, and the push rod and the tray are placed into the slag discharge pipe from the working opening of the slag discharge pipe. When the hydraulic cylinder is started, the push rod drives the tray to lift up the cantilever roller that falls into the slag discharge port of the slag discharge pipe. The present invention also discloses a method for using the device for treating a blockage in a slag discharge port of a bar heating furnace, wherein the device and the method for using the device enable the cantilever roller to be safely separated from the slag discharge port, restore the smooth slag discharge function of the slag discharge port of the heating furnace, and improve the safety and timeliness of abnormal operations.
Description
Technical Field
The invention belongs to the field of metallurgical industry, and relates to a device for treating blockage of a bar heating furnace slag outlet and a use method thereof.
Background
The steel billet roller way in the hot rolled bar heating furnace is mostly designed into cantilever rollers, the cantilever rollers belong to the conveying equipment in the furnace, the failure rate of cantilever roller equipment outside the heating furnace is low, spot inspection is convenient, but equipment defects are difficult to find by spot inspectors and operation posts at the roller channel part in the cantilever roller furnace, the failure rate is relatively high, according to historical failure data collection, when the cantilever rollers burst, roller covers fall off, the cantilever rollers are separated from the cantilever roller shafts, the cantilever rollers fall to the bottom of the heating furnace, if the falling position of the cantilever rollers does not block the slag discharge port in the heating furnace, the slag discharge port of the heating furnace is basically not influenced, but if the falling position of the cantilever rollers just blocks the slag discharge port in the heating furnace, even if the cantilever rollers do not completely block the slag discharge port, a certain gap is still left, but after a period of production, the cantilever rollers slide down to the slag discharge, finally, the slag discharge port is blocked directly because of falling of the cantilever rollers, and the fault has great influence on the service life of the heating furnace and the heating furnace. After the furnace is stopped, the cantilever roller of the heating furnace is dismantled, the heating furnace is cooled by ventilation means such as an axial flow fan until the temperature inside the heating furnace can enter an operator, the cantilever roller can be removed from a slag discharge port by manpower, the cooling time of the heating furnace is at least three days, and the three days of production stopping can bring huge loss to enterprises.
Because the fault is difficult to spot, the existing control means is to set a cantilever roller maintenance standard with a short service period, and the fault is controlled by means of the replacement and the on-line inspection and repair, the method has a certain effect, but the frequent replacement of the cantilever roller severely restricts the production rhythm, and a method for solving the problem that the cantilever roller blocks a slag discharge port is not found at all, so that a device and a method for solving the problem are necessary.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a device for treating the blockage of the slag outlet of a bar heating furnace and a use method thereof, wherein a cantilever roller is jacked up to be separated from the slag outlet by a jacking rod and a tray arranged on the piston rod head of a hydraulic oil cylinder, so that the smooth slag discharging function of the slag outlet of the heating furnace is recovered. When the cantilever roller falls off to block the slag discharge port, the operation of manually taking out the cantilever roller by cooling the heating furnace in three days is not needed, the fault can be treated only through the downtime of 2-3 hours of daily specification conversion, and the device for blocking the slag discharge port of the bar heating furnace can be used, so that the maintenance cost and the production cost are reduced, and the safety and the timeliness of abnormal operation are also effectively improved.
The invention adopts the following technical scheme:
The utility model provides a handle bar heating furnace slag notch jam's device, includes the cantilever roller of locating outside the heating furnace, locate in the heating furnace with cantilever roller that cantilever roller is connected, locates the scum pipe of cantilever roller below and locate the scum device of scum pipe below, the scum device includes hydraulic cylinder, ejector pin and tray, hydraulic cylinder's piston rod head with the ejector pin lower extreme can dismantle and be connected, the ejector pin upper end with the tray is connected, the ejector pin the tray is put into from the operation mouth of scum pipe in the scum pipe. According to the device for treating the blockage of the slag hole of the bar heating furnace, the ejector rod and the tray penetrate into the slag pipe from the operation hole of the slag pipe, the hydraulic oil cylinder is started, and the ejector rod drives the tray to jack the cantilever roller falling into the slag hole of the slag pipe. The device makes when the cantilever roller drops to block the heating furnace slag hole, does not need to plan to stop production for more than three days to cool the heating furnace, and operators do not need to enter the heating furnace, and can treat the fault by using the device for blocking the bar heating furnace slag hole only through the stop time of 2-3 hours of daily rotation specification, thereby not only reducing the maintenance cost and the production cost, but also effectively improving the safety and the timeliness of abnormal operation.
In one embodiment, the cantilever roller is fixed in contact with the iron scale around the slag discharge port, the hydraulic oil cylinder is used for maintaining pressure, the ejector rod is fixed with the operation port in a sealing way, and the piston rod head is separated from the ejector rod.
The setting makes the tray jack up the cantilever roller firmly to make the cantilever roller fix in the tray, makes the cantilever roller break away from the slag tap safely, resumes the smooth and easy sediment function of arranging of heating furnace slag tap, has improved the security and the timeliness of unusual operation.
In one embodiment, the center point of the piston rod head coincides with the center point of the slag discharging hole, and the tray is provided with anti-slip teeth. The arrangement ensures that the tray stably jacks up the cantilever roller, ensures that the cantilever roller is safely separated from the slag discharge port, recovers the smooth slag discharge function of the slag discharge port of the heating furnace, and improves the safety and timeliness of abnormal operation.
In one embodiment, the tray comprises a first supporting plate and a second supporting plate, wherein the first supporting plate is vertically connected with the ejector rod, and the second supporting plate is obliquely connected with the first supporting plate to form a supporting opening for jacking the cantilever roller. In this setting cantilever roller falls into the support mouth of tray, the support mouth of tray can lift the cantilever roller firmly for the cantilever roller breaks away from the slag notch safely, resumes the smooth and easy sediment function of arranging of heating furnace slag notch, has improved the security and the timeliness of unusual operation.
In one embodiment, the first supporting plate is provided with first anti-slip teeth, the second tray is provided with second anti-slip teeth, and the first anti-slip teeth and the second anti-slip teeth are arranged opposite to each other. The tray is provided with the anti-slip teeth, so that the surface of the tray in close contact with the cantilever rollers can be increased, the cantilever rollers falling off the slag discharging pipe can be lifted and fixed more conveniently and stably, the cantilever rollers are prevented from falling off the tray, and the safety and timeliness of abnormal operation are improved.
In one embodiment, the angle between the first pallet and the second pallet is greater than 90 ° and less than 360 °. The angle that the tray was equipped with in this setting can increase tray and cantilever roller in close contact's face, and the cantilever roller at the scum pipe is fixed to the lift that is convenient for install more and more firm more, prevents that the cantilever roller from coming off from the tray, has improved the security and the timeliness of unusual operation.
In one embodiment, the ejector rod and the tray are both made of high-temperature resistant stainless steel, the first supporting plate and the second supporting plate are semicircular supporting plates, and the diameter of each semicircular supporting plate is less than or equal to 2/5 of the diameter of the deslagging port.
After the high-temperature-resistant stainless steel tray and part of the ejector rods are in close contact with the falling cantilever rollers, the tray and part of the ejector rods are required to be fixed in a high-temperature heating furnace for a long time, the service lives of the tray and the ejector rods can be effectively guaranteed, and the size of the tray can not prevent slag discharge of a slag discharge pipe of the heating furnace.
In one embodiment, the fixed end of the hydraulic cylinder is connected with a hydraulic cylinder base, the hydraulic cylinder base is connected with a traversing device, the traversing device comprises a pair of guide rails and a plurality of pulleys, and the pulleys are uniformly arranged in the pair of guide rails and are respectively connected with the hydraulic cylinder base. The hydraulic oil cylinder is enabled to rapidly move to the position right below the corresponding slag discharging opening through the transverse moving device, and slag discharging operation is achieved.
In one embodiment, the guide rail is respectively provided with a plurality of pulley mounting openings and positioning holes, and the positioning pins are inserted into the positioning holes to fix the hydraulic cylinder base. The locating pin is convenient for the hydraulic cylinder base to fix, and the pulley mounting port is convenient for remove the lower line repair from the pulley mounting port fast after the sideslip device breaks down, and the equipment maintenance is carried out without heating the bottom again.
A use method for treating the blockage of a slag discharge port of a bar heating furnace, when a cantilever roller is abnormal and falls off from the slag discharge port in the heating furnace from the cantilever roller, the application method for treating the blockage of the slag outlet of the bar heating furnace comprises the following steps:
cutting an operation port by an operator under a slag discharging pipe corresponding to the slag discharging port by using a cutting gun, and then moving a hydraulic cylinder under the corresponding slag discharging port through a traversing device;
Inserting a positioning pin into a positioning hole to fix the hydraulic cylinder base, so that the hydraulic cylinder is positioned, connecting the lower end of a push rod with a piston rod head of the hydraulic cylinder through a connecting plate, connecting the upper end of the push rod with a tray, and penetrating the push rod and the tray into a slag discharge pipe from an operation port;
Starting the hydraulic cylinder, driving the ejector rod to extend by the piston rod head of the hydraulic cylinder, and enabling the tray above the ejector rod to be in contact with the cantilever roller until the cantilever roller is moved away from the slag discharge port, wherein the cantilever roller is in contact and fixed with iron scales around the slag discharge port of the heating furnace bottom;
And fourthly, maintaining the pressure of the hydraulic system of the hydraulic cylinder, welding and fixing the ejector rod and the edge of the operation port by using electric welding, positioning the supporting cantilever roller, plugging the operation port, and separating the ejector rod from the piston rod head of the hydraulic cylinder to finish the operation.
According to the method, when the cantilever roller blocks the slag outlet of the heating furnace, the operation time of stopping production for more than 3 days is avoided, and the fault is handled by manually entering the heating furnace, so that the maintenance cost and the production cost are reduced, and the safety and the timeliness of abnormal operation are improved.
The invention has the beneficial effects that:
A device for treating the blockage of the slag discharge port of a bar heating furnace and a use method thereof are provided, a hydraulic oil cylinder is started, and a push rod drives a tray to push up a cantilever roller which falls into a slag discharge pipe from the slag discharge port.
According to the device and the use method, when the cantilever roller is blocked after falling, the heating furnace is cooled without planning to stop production for more than three days, and an operator does not need to enter the heating furnace, and the fault can be treated only through the stop time of 2-3 hours of daily specification rotation by using the device for blocking the bar heating furnace slag outlet, so that the maintenance cost and the production cost are reduced, and the safety and timeliness of abnormal operation are effectively improved.
Drawings
FIG. 1 is a front elevational view of a device for treating clogging of the slag hole of a bar heating furnace in accordance with the present invention;
FIG. 2 is a side view of the structure of an apparatus for treating clogging of the slag hole of a bar heating furnace according to the present invention;
FIG. 3 is a front view of the connection structure of the ejector pin and the tray of the device for treating the blockage of the slag hole of the bar heating furnace;
FIG. 4 is a side view of the connection structure of the ejector pin and the tray of the device for treating the blockage of the slag hole of the bar heating furnace;
FIG. 5 is an enlarged view of the traversing device of the device for treating the clogging of the slag hole of the bar heating furnace according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 1;
The slag flushing device comprises 10-steel billets, 20-walking beams, 30-cantilever rollers, 40-cantilever rollers, 50-slag discharging pipes, 60-slag discharging devices, 61-hydraulic cylinders, 611-piston rod heads, 62-ejector rods, 63-trays, 631-first trays, 632-second trays, 633-first anti-slip teeth, 634-second anti-slip teeth, 70-slag discharging ports, 80-operation ports, 90-iron scales, 100-connecting plates, 101-screw rods, 110-hydraulic cylinder fixing plates, 120-hydraulic cylinder bases, 130-guide rails, 140-pulleys, 150-pulley mounting ports, 160-locating pins and 170-slag flushing grooves.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that, on the premise of no conflict, the following technical features may be arbitrarily combined to form a new embodiment.
Embodiment 1A device for treating blockage of a slag hole of a bar heating furnace comprises a cantilever roller 30 arranged outside the heating furnace, a cantilever roller 40 arranged in the heating furnace and connected with the cantilever roller 30, a slag discharging pipe 50 arranged below the cantilever roller 40, and a slag discharging device 60 arranged below the slag discharging pipe 50, wherein the upper end of the slag discharging pipe 50 is provided with a slag discharging hole 70, an operation hole 80 is arranged right below the slag discharging pipe 50 corresponding to the slag discharging hole 70, the slag discharging device 60 comprises a hydraulic cylinder 61, a push rod 62 and a tray 63, a piston rod head 611 of the hydraulic cylinder 61 is detachably connected with the lower end of the push rod 62, the upper end of the push rod 62 is connected with the tray 63, the push rod 62 and the tray 63 penetrate into the slag discharging pipe 50 from the operation hole 80 of the slag discharging pipe 50, the hydraulic cylinder 61 is started, the push rod 62 drives the tray 63 to jack the slag discharging hole 70 or the cantilever roller 40 falling into the slag discharging pipe 50 from the slag discharging hole 70, and the operation hole 80 is sealed.
In embodiment 1, a device for treating the blockage of the slag hole of a bar heating furnace takes a hydraulic cylinder 61 as a driving ejector rod 62, the ejector rod 62 extends into the blockage position of the slag hole 70 from a working hole 80, and a piston rod head 611 of the hydraulic cylinder 61 is connected with the ejector rod 62 to extend out, so that a tray 63 pushes the blockage of the slag hole 70 of the heating furnace open, and a dredging effect is realized.
In embodiment 2, on the basis of embodiment 1, the cantilever roller 40 is fixed in contact with the iron scale 90 around the slag discharge port 70, the hydraulic cylinder 61 is started, the ejector rod 62 drives the tray 63 to jack the cantilever roller 40 at the slag discharge port 70 or falling into the slag discharge pipe 50 from the slag discharge port 70, the cantilever roller 40 is fixed in contact with the iron scale 90 around the slag discharge port 70, the hydraulic cylinder 61 maintains pressure, the ejector rod 62 is welded and fixed with the edge of the working port 80, so that the working port 80 is sealed, and the piston rod head 611 is detached and separated from the ejector rod 62.
In embodiment 2, a device for treating the blockage of the slag hole of a bar heating furnace takes a hydraulic cylinder 61 as a driving ejector rod 62, the ejector rod 62 extends into the blockage position of the slag hole 70 from a working hole 80, a piston rod head 611 of the hydraulic cylinder 61 is connected with the ejector rod 62 to extend, so that a tray 63 stably jacks up a cantilever roller 40, and the cantilever roller 40 is fixed in the tray 63, so that the cantilever roller 40 is safely separated from the slag hole 70, the smooth slag discharging function of the slag hole 70 of the heating furnace is recovered, and the safety and timeliness of abnormal operation are improved.
In embodiment 1 and embodiment 2, it is preferable that the lower end of the jack 62 is provided with a connection plate 100, and the jack 62 is detachably connected to the piston rod head 611 of the hydraulic cylinder 61 through the connection plate 100.
Preferably, the upper part of the connecting plate 100 is provided with a groove and a first connecting hole penetrating through the groove, the lower part of the connecting plate 100 is provided with a threaded hole and a second connecting hole penetrating through the threaded hole, the lower end of the ejector rod 62 is provided with a third connecting hole, the upper end of the piston rod head 611 is provided with an external thread and a fourth connecting hole, the lower end of the ejector rod 62 is inserted into the groove, the first connecting hole and the third connecting hole are aligned, the ejector rod 62 is fixed with the connecting plate 100 through the screw 101, the external thread of the upper end of the piston rod head 611 is connected with the threaded hole of the lower part of the connecting plate 100, the second connecting hole and the fourth connecting hole are aligned, and the piston rod head 611 is fixed with the connecting plate 100 through the screw 101.
This arrangement can rotate to adjust the angle at which the tray 63 contacts the cantilever roller 40, and at the same time, the separation of the jack 62 from the piston rod head 611 is achieved, and finally, the separation of the jack 62 from the hydraulic cylinder 61 is achieved.
In embodiment 1 and embodiment 2, it is preferable that the center point of the piston rod head 611 of the hydraulic cylinder 61 coincides with the center point of the slag discharge port 70. This arrangement eliminates the need to again verify the point at which the piston head 611 coincides with the slag discharge port 70 when the slag discharge port 70 is being treated for plugging.
In embodiment 1 and embodiment 2, the tray 63 is preferably provided with anti-slip teeth. This arrangement allows the tray 63 to firmly jack up the cantilever roller 40, so that the cantilever roller 40 is safely separated from the slag discharge port 70, the smooth slag discharge function of the heating furnace slag discharge port 70 is restored, and the safety and timeliness of abnormal operation are improved.
In embodiment 1 and embodiment 2, the tray 63 preferably includes a first support plate 631 and a second support plate 632, the first support plate 631 is vertically connected to the jack 62, and the second support plate 632 is obliquely connected to the first support plate 631 to form a supporting opening for jacking up the cantilever roller 40. This arrangement allows the tray 63 to firmly jack up the cantilever roller 40, so that the cantilever roller 40 is safely separated from the slag discharge port 70, the smooth slag discharge function of the heating furnace slag discharge port 70 is restored, and the safety and timeliness of abnormal operation are improved.
In embodiment 1 and embodiment 2, it is preferable that the first tray 631 is provided with the first anti-slip teeth 633, the second tray 63 is provided with the second anti-slip teeth 634, and the first anti-slip teeth 633 and the second anti-slip teeth 634 are disposed opposite to each other. The tray 63 is provided with the anti-slip teeth, so that the surface of the tray 63 in close contact with the cantilever roller 40 can be increased, the cantilever roller 40 falling off the slag discharging pipe 50 can be more conveniently and stably lifted and fixed, the cantilever roller 40 is prevented from falling off the tray 63, and the safety and timeliness of abnormal operation are improved.
In embodiment 1 and embodiment 2, the angle between the first plate 631 and the second plate 632 is preferably greater than 90 ° and less than 360 °. The angle that this tray 63 was equipped with can increase the face of tray 63 and cantilever roller 40 in close contact with, and the cantilever roller 40 of fixed droing at the scum pipe 50 is lifted to the installation of being convenient for more just more firm, prevents that cantilever roller 40 from droing from tray 63, has improved the security and the timeliness of unusual operation.
In embodiment 1 and embodiment 2, the ejector rod 62 and the tray 63 are preferably made of high temperature resistant stainless steel 310s, the first supporting plate 631 and the second supporting plate 632 are semicircular supporting plates, the circular arc edges of the semicircular supporting plates face outwards, and the diameter of the semicircular supporting plates is less than or equal to 2/5 of the diameter of the slag discharging opening 70.
After the high temperature resistant stainless steel tray 63 and part of the ejector rods 62 are tightly contacted with the falling cantilever rollers 40, the tray 63 and part of the ejector rods 62 are required to be fixed in a high temperature heating furnace for a long time, the service life of the tray 63 and the ejector rods 62 can be effectively ensured, and the size of the tray 63 can not prevent slag discharge of the slag discharge pipe 50 of the heating furnace.
In embodiment 1 and embodiment 2, preferably, the fixed end of the hydraulic cylinder 61 is connected to the hydraulic cylinder base 120 through the hydraulic cylinder fixing plate 110, the hydraulic cylinder base 120 is connected to the traversing device, the traversing device includes a pair of guide rails 130 and a plurality of pulleys 140, the pair of guide rails 130 are disposed vertically under the heating furnace slag hole 70, and the pulleys 140 are disposed in the pair of guide rails 130 and are respectively connected to the hydraulic cylinder base 120 through transition plates. This arrangement allows the hydraulic cylinder 61 to be moved rapidly to the position just below the corresponding slag discharge port 70 by the traversing device to perform slag discharge operation.
In embodiments 1 and 2, the guide rail 130 is preferably fixedly connected to the floor cement housing foundation. By adopting the technical scheme, the installation efficiency of the guide rail 130 is improved, and meanwhile, the stability of the guide rail 130 is also ensured.
In embodiment 1 and embodiment 2, it is preferable that the pair of guide rails 130 are provided with a plurality of pulley mounting openings 150 and positioning holes, respectively, and the detachable positioning pins 160 are inserted into the positioning holes to fix the hydraulic cylinder base 120 in position. The locating pin 160 is convenient for the hydraulic cylinder base 120 to locate and fix, ensures the stability of the traversing device to be fast and effectively fixed when the traversing device moves to an operation point, and the pulley mounting port 150 is convenient for rapidly dismantling the lower line from the pulley mounting port 150 for repairing after the traversing device fails, and does not need to heat the bottom again for equipment maintenance.
In embodiment 1 and embodiment 2, a slag flushing groove 170 is preferably provided at the slag hole of the slag discharging pipe 50. This arrangement facilitates the collection of slag.
When the cantilever roller 40 is abnormal and falls off from the cantilever roller 30 to the slag outlet 70 in the heating furnace, the method for using the bar heating furnace to treat the blockage of the slag outlet 70 comprises the following steps:
firstly, cutting an operation port 80 by an operator under the slag discharging pipe 50 corresponding to the slag discharging port 70 by using a cutting gun, and then moving the hydraulic cylinder 61 to the position under the corresponding slag discharging port 70 by using a traversing device;
Step two, a locating pin 160 is inserted into a locating hole to fix the hydraulic cylinder base 120, so that the hydraulic cylinder 61 is located, the lower end of a push rod 62 is connected with a piston rod head 611 of the hydraulic cylinder 61 through a connecting plate 100, the upper end of the push rod 62 is connected with a tray 63, and the push rod 62 and the tray 63 penetrate into a slag discharging pipe 50 from an operation port 80;
starting the hydraulic cylinder 61, driving the ejector rod 62 to extend by a piston rod head 611 of the hydraulic cylinder 61, and contacting a tray 63 above the ejector rod 62 with the cantilever roller 40 until the cantilever roller 40 is moved away from the slag discharge port 70, wherein the cantilever roller 40 is contacted and fixed with an iron scale 90 around the slag discharge port 70 at the bottom of the heating furnace;
And fourthly, maintaining the pressure of the hydraulic system of the hydraulic cylinder 61, welding and fixing the ejector rod 62 and the edge of the working port 80 by using electric welding, positioning the supporting cantilever roller 40, plugging the working port 80, and separating the ejector rod 62 from the piston rod head 611 of the hydraulic cylinder 61 to finish the operation.
The method avoids the problem that when the cantilever roller 40 blocks the heating furnace slag discharge port 70, the operation time of stopping production for more than 3 days is needed to enter the heating furnace manually to treat faults, reduces the maintenance cost and the production cost, and improves the safety and the timeliness of abnormal operation.
The technical features of the claims and/or the description of the present invention may be combined in a manner not limited to the combination of the claims by the relation of reference. The technical scheme obtained by combining the technical features in the claims and/or the specification is also the protection scope of the invention.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (6)
1. The device for treating the blockage of the slag hole of the bar heating furnace is characterized by comprising a cantilever roller (30) arranged outside the heating furnace, a cantilever roller (40) arranged in the heating furnace and connected with the cantilever roller (30), a slag discharging pipe (50) arranged below the cantilever roller (40) and a slag discharging device (60) arranged below the slag discharging pipe (50), wherein the slag discharging device (60) comprises a hydraulic cylinder (61), a push rod (62) and a tray (63), a piston rod head (611) of the hydraulic cylinder (61) is detachably connected with the lower end of the push rod (62), the upper end of the push rod (62) is connected with the tray (63), and the push rod (62) and the tray (63) are arranged in the slag discharging pipe (50) from an operation hole (80) of the slag discharging pipe (50);
The cantilever roller (40) is fixedly contacted with the iron scale (90) around the slag discharge port (70), the hydraulic oil cylinder (61) is started, the ejector rod (62) drives the tray (63) to jack the cantilever roller (40) positioned at the slag discharge port (70) or falling into the slag discharge pipe (50) from the slag discharge port (70), the cantilever roller (40) is fixedly contacted with the iron scale (90) around the slag discharge port (70), the hydraulic oil cylinder (61) is used for maintaining pressure, the ejector rod (62) is fixedly welded with the edge of the operation port (80) so as to seal the operation port (80), and the piston rod head (611) is detached from the ejector rod (62);
The center point of the piston rod head (611) coincides with the center point of the slag discharging port (70), and the tray (63) is provided with anti-slip teeth;
The tray (63) comprises a first supporting plate (631) and a second supporting plate (632), the first supporting plate (631) is vertically connected with the ejector rod (62), and the second supporting plate (632) is obliquely connected with the first supporting plate (631) to form a supporting opening for jacking the cantilever roller (40);
The fixed end of the hydraulic cylinder (61) is connected with the hydraulic cylinder base (120), the hydraulic cylinder base (120) is connected with the traversing device, the traversing device comprises a pair of guide rails (130) and a plurality of pulleys (140), and the pulleys (140) are uniformly arranged in the pair of guide rails (130) and are respectively connected with the hydraulic cylinder base (120).
2. The device for treating blockage of the slag hole of a bar heating furnace according to claim 1, wherein the first supporting plate (631) is provided with a first anti-slip tooth (633), the second supporting plate (632) is provided with a second anti-slip tooth (634), and the first anti-slip tooth (633) and the second anti-slip tooth (634) are arranged opposite to each other.
3. The apparatus for treating clogging of a bar heating furnace exhaust port of claim 1 wherein an angle between said first blade (631) and said second blade (632) is greater than 90 ° and less than 360 °.
4. The device for treating blockage of a slag hole of a bar heating furnace according to claim 1, wherein the ejector rod (62) and the tray (63) are made of high-temperature resistant stainless steel materials, and the first supporting plate (631) and the second supporting plate (632) are semicircular supporting plates, and the diameter of each semicircular supporting plate is less than or equal to 2/5 of the diameter of the slag hole (70).
5. The device for treating the blockage of the slag hole of the bar heating furnace according to claim 1, wherein the guide rail (130) is respectively provided with a plurality of pulley mounting holes (150) and positioning holes, and the positioning pins (160) are inserted into the positioning holes to fix the hydraulic cylinder base (120).
6. A method of using a device for handling clogging of a slag hole of a bar heating furnace, as set forth in claim 1, characterized in that, when an abnormality occurs in the cantilever roller (40) from the cantilever roller (30) falling off the slag hole (70) in the heating furnace, the method of handling clogging of the slag hole (70) of the bar heating furnace comprises the steps of:
Firstly, cutting an operation port (80) by an operator under a slag discharging pipe (50) corresponding to the slag discharging port (70) by using a cutting gun, and then moving a hydraulic oil cylinder (61) to be under the corresponding slag discharging port (70) through a traversing device;
Step two, a positioning pin (160) is inserted into a positioning hole to fix a hydraulic cylinder base (120) so as to position a hydraulic cylinder (61), the lower end of a push rod (62) is connected with a piston rod head (611) of the hydraulic cylinder (61) through a connecting plate (100), the upper end of the push rod (62) is connected with a tray (63), and the push rod (62) and the tray (63) penetrate into a slag discharging pipe (50) from an operation port (80);
starting the hydraulic cylinder (61), driving the ejector rod (62) to extend by a piston rod head (611) of the hydraulic cylinder (61), and enabling a tray (63) above the ejector rod (62) to be in contact with the cantilever roller (40) until the cantilever roller (40) is moved out of a slag discharge port (70), wherein the cantilever roller (40) is fixedly in contact with an iron scale (90) around the slag discharge port (70) at the bottom of the heating furnace;
And fourthly, maintaining the pressure of a hydraulic system of the hydraulic cylinder (61), welding and fixing the ejector rod (62) and the edge of the operation port (80) by using electric welding, positioning the support cantilever roller (40), plugging the operation port (80), and separating the ejector rod (62) from the piston rod head (611) of the hydraulic cylinder (61) to finish the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010443150.5A CN111609717B (en) | 2020-05-22 | 2020-05-22 | A device for treating blockage of slag discharge port of a rod heating furnace and a method for using the device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010443150.5A CN111609717B (en) | 2020-05-22 | 2020-05-22 | A device for treating blockage of slag discharge port of a rod heating furnace and a method for using the device |
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| CN111609717A CN111609717A (en) | 2020-09-01 |
| CN111609717B true CN111609717B (en) | 2025-01-28 |
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| CN202010443150.5A Active CN111609717B (en) | 2020-05-22 | 2020-05-22 | A device for treating blockage of slag discharge port of a rod heating furnace and a method for using the device |
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| CN114737043B (en) * | 2022-04-20 | 2024-06-14 | 广东韶钢松山股份有限公司 | Heating equipment with stable heating, cooling method thereof and method for detecting burning loss condition in billet heating |
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| CN203869027U (en) * | 2014-06-17 | 2014-10-08 | 中节能(宿迁)生物质能发电有限公司 | Automatic dredging device for slag tapping pipe of biomass power plant boiler |
| CN212870775U (en) * | 2020-05-22 | 2021-04-02 | 广东韶钢松山股份有限公司 | Device for treating blockage of slag discharge port of bar heating furnace |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB680342A (en) * | 1949-07-13 | 1952-10-01 | Hubert Eric Godfrey | Improvements relating to boilers, space heaters and the like using solid fuels |
| CN2046177U (en) * | 1988-12-07 | 1989-10-18 | 湖南大学 | Fluidization combustion furnace |
| CN204593401U (en) * | 2015-03-20 | 2015-08-26 | 承德环能热电有限责任公司 | Refuse incinerator of circulating fluid bed slag-drip opening material-blockage preventing device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203869027U (en) * | 2014-06-17 | 2014-10-08 | 中节能(宿迁)生物质能发电有限公司 | Automatic dredging device for slag tapping pipe of biomass power plant boiler |
| CN212870775U (en) * | 2020-05-22 | 2021-04-02 | 广东韶钢松山股份有限公司 | Device for treating blockage of slag discharge port of bar heating furnace |
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