CN110657682A - Novel heating furnace pusher - Google Patents

Novel heating furnace pusher Download PDF

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Publication number
CN110657682A
CN110657682A CN201910927657.5A CN201910927657A CN110657682A CN 110657682 A CN110657682 A CN 110657682A CN 201910927657 A CN201910927657 A CN 201910927657A CN 110657682 A CN110657682 A CN 110657682A
Authority
CN
China
Prior art keywords
heating furnace
pusher
water
hydraulic cylinder
furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910927657.5A
Other languages
Chinese (zh)
Inventor
浦心扣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Qixin Metallurgical Equipment Manufacturing Co Ltd
Original Assignee
Jiangsu Qixin Metallurgical Equipment Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Qixin Metallurgical Equipment Manufacturing Co Ltd filed Critical Jiangsu Qixin Metallurgical Equipment Manufacturing Co Ltd
Priority to CN201910927657.5A priority Critical patent/CN110657682A/en
Publication of CN110657682A publication Critical patent/CN110657682A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F27D3/04—Ram or pusher apparatus
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/70—Furnaces for ingots, i.e. soaking pits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/26—Steam-separating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
    • F22G7/12—Steam superheaters characterised by location, arrangement, or disposition in flues
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
    • F27D17/002—Details of the installations, e.g. fume conduits or seals
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F27D2017/006—Systems for reclaiming waste heat using a boiler
    • 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
    • Y02P10/25—Process efficiency

Abstract

The invention discloses a novel heating furnace pusher, which comprises a heating furnace and a pusher, wherein the pusher is arranged on one side of the heating furnace, the upper part of the heating furnace is connected with a smoke exhaust pipeline, one end of the upper side surface of the heating furnace, which is close to the pusher, is provided with a billet conveying furnace door, billets enter the heating furnace through the billet conveying furnace door, the bottom in the heating furnace is provided with a plurality of placing rib plates along the direction of the furnace body, a push rod on the pusher is horizontally communicated and extends to a heating cavity in the heating furnace, the pusher comprises a hydraulic cylinder, and a piston rod end of the hydraulic cylinder is provided with a billet pusher. The water cooling pipe is arranged, so that heat generated by the hydraulic cylinder can be absorbed, the hydraulic cylinder is protected from being corroded and damaged by high temperature, the service life of the hydraulic cylinder is prolonged, scrappage is reduced, meanwhile, the high-temperature smoke exhaust generated by full utilization of the structure is increased, energy loss is reduced, and the utilization rate is increased.

Description

Novel heating furnace pusher
Technical Field
The invention relates to the technical field of pusher equipment, in particular to a novel heating furnace pusher.
Background
In the steel rolling process, generally, a steel billet can be rolled after being heated by a heating furnace. The pusher-type heating furnace is a common billet heating furnace, and the pusher is a special device for pushing billets into the heating furnace of the pusher-type heating furnace. The pusher comprises a hydraulic cylinder and a pusher head connected to the hydraulic cylinder. The mounting position of the pusher is generally at the furnace inlet of a heating furnace, and the pusher is close to the furnace inlet and is influenced by high temperature in the furnace, so that the operating environment temperature is high, the aging and deformation of a sealing ring in a cylinder at high temperature are easily caused, the hydraulic cylinder of the pusher is frequently damaged, and even the oil cylinder is scrapped; meanwhile, when the heating furnace heats the steel billet, a large amount of hot gas is discharged along with the discharged smoke, so that energy waste is caused, and the problems are urgently to be improved.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a novel heating furnace pusher.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a novel heating furnace pusher, includes heating furnace and pusher, the pusher sets up in heating furnace one side, exhaust pipe is connected on heating furnace upper portion, the side is close to pusher one end on the heating furnace and is equipped with billet delivery furnace gate, and the billet passes through billet delivery furnace gate and enters into in the heating furnace, the bottom is equipped with a plurality of along the furnace body direction and places the floor in the heating furnace, push rod level on the pusher link up and extend to the heating cavity in the heating furnace, the pusher includes the pneumatic cylinder, the tailpiece of the piston rod of pneumatic cylinder is equipped with the billet and pushes away the head.
Further, the lower extreme of exhaust pipe is equipped with the flue gas entry of high temperature, and the upper end is equipped with the exhanst gas outlet, superheater, evaporimeter and economizer have set gradually on the flue gas flow direction in the exhaust pipe, the steam pocket is connected respectively to superheater, evaporimeter and economizer, the inlet tube and the steam pocket sub-unit water piping connection of evaporimeter are equipped with the hot water circulating pump on the inlet tube of evaporimeter, pass through the pipe connection between evaporimeter and the superheater, the steam conduit on the steam pocket is connected to the outlet duct of superheater, be equipped with the steam exit tube on the steam pocket, hot user end is connected to the steam exit tube, the outlet conduit of water piping connection oxygen-eliminating device of economizer, the water piping of the water piping connection steam pocket of economizer.
Furthermore, flue walls are arranged around the smoke exhaust pipeline, and a heat insulation layer is arranged outside the flue walls, so that heat dissipation of the pipe walls is reduced, and energy loss is reduced.
Furthermore, the main bodies of the superheater, the evaporator and the economizer in the smoke exhaust pipeline are continuous multi-section tube bundles which are arranged in the direction vertical to the flow direction of smoke, so that the contact area is increased, and the heat absorption efficiency is increased.
Furthermore, the piston rod end of the hydraulic cylinder is connected with a horizontal branch head plate, and a plurality of billet pushing heads are uniformly arranged on the branch head plate and can push a plurality of billets simultaneously.
Furthermore, a water-cooling pipe is arranged on the outer wall of the hydraulic cylinder in an encircling manner, a bayonet at the upper end of the water-cooling pipe is connected with a water inlet pipe, a water outlet at the lower end of the water-cooling pipe is connected with a water outlet pipe, an electromagnetic valve is arranged on the water outlet pipe, and an exhaust valve pipe is arranged at the position of the water inlet pipe connected with the water-cooling pipe. .
Compared with the prior art, the invention has the advantages that: the steam-water separation device in the steam drum separates steam, and the bent multi-section superheater, the bent multi-section evaporator and the bent multi-section economizer can fully absorb heat in a boiler cavity and can provide enough hot steam and hot water into the steam drum; the water cooling pipe is arranged on the outer wall of the hydraulic cylinder, and heat generated by the hydraulic cylinder can be absorbed, so that the hydraulic cylinder is protected and is not corroded and damaged by high temperature, the service life of the hydraulic cylinder is prolonged, and scrapping is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure inside the smoke exhaust duct of the present invention.
As shown in the figure: 1. the device comprises a smoke exhaust pipeline, 2, a steam drum, 3, a smoke inlet, 4, a smoke outlet, 5, a superheater, 6, an evaporator, 7, an economizer, 8, a hot water circulating pump, 9, a steam outlet pipe, 10, a deaerator, 11, a flue wall, 12, a heat insulation layer, 13, a steel blank conveying furnace door, 14, a placing rib plate, 15, a hydraulic cylinder, 16, a steel blank pushing head, 17, a head separating plate, 18, a water cooling pipe, 19, a water inlet pipe, 20, a water outlet pipe, 21 and an exhaust valve pipe.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
The present invention will be described in further detail with reference to the accompanying drawings.
The invention is implemented in detail, the novel heating furnace pusher comprises a heating furnace and a pusher, the pusher is arranged on one side of the heating furnace, the upper part of the heating furnace is connected with a smoke exhaust pipeline 1, one end of the upper side surface of the heating furnace, which is close to the pusher, is provided with a billet conveying furnace door 13, billets enter the heating furnace through the billet conveying furnace door 13, the bottom in the heating furnace is provided with a plurality of placing rib plates 14 along the furnace body direction, a push rod on the pusher horizontally penetrates through and extends to a heating cavity in the heating furnace, the pusher comprises a hydraulic cylinder 15, a piston rod end of the hydraulic cylinder 15 is provided with a billet pusher 16, a piston rod end of the hydraulic cylinder 15 is connected with a horizontal head splitting plate 17, the head splitting plate 17 is uniformly provided with a plurality of billet pushers 16, a water cooling pipe 18 is arranged on the outer wall of the hydraulic cylinder 15 in a surrounding manner, a bayonet at the upper end of the, a water outlet 20 is connected to a water outlet at the lower end of the water-cooled tube 18, an electromagnetic valve is arranged on the water outlet 20, and an exhaust valve tube 21 is arranged at the position where the water inlet tube 19 is connected with the water-cooled tube 18.
The lower end of the exhaust pipeline 1 is provided with a high-temperature flue gas inlet 3, the upper end of the exhaust pipeline 1 is provided with a flue gas outlet 4, a superheater 5, an evaporator 6 and an economizer 7 are sequentially arranged in the exhaust pipeline 1 along the flue gas flowing direction, the superheater 5, the evaporator 6 and the economizer 7 are respectively connected with the steam drum 2, a water inlet pipe of the evaporator 6 is connected with a water pipeline below the steam drum 2, a hot water circulating pump 8 is arranged on the water inlet pipe of the evaporator 6, the evaporator 6 is connected with the superheater 5 through a pipeline, an air outlet pipe of the superheater 5 is connected with a steam pipeline on the steam drum 2, a steam outlet pipe 9 is arranged on the steam drum 2, the steam outlet pipe 9 is connected with a hot user end, a water inlet pipe of the economizer 7 is connected with a water outlet pipeline of the deaerator 10, a water outlet pipe of the economizer 7 is connected with a water pipeline of the steam drum, the external of the flue wall 11 is provided with a heat preservation layer 12, and the main bodies of the superheater 5, the evaporator 6 and the economizer 7 in the smoke exhaust pipeline 1 are continuous multi-section tube bundles which are arranged in the direction vertical to the flow direction of the flue gas.
The working principle of the invention is as follows: high-heat flue gas generated on the heating furnace passes through an internal superheater, an evaporator and an economizer respectively through a smoke exhaust pipeline; the deaerator supplies water to the coal economizer, and the water enters the steam pocket after being heated into hot water for a user to use; hot water in the steam drum enters an evaporator, a part of the hot water is changed into hot steam after passing through the evaporator, and the hot steam is further vaporized after entering a superheater along with a pipe, so that the hot steam is delivered to the steam drum and is provided for a hot user side; when the pusher is used, heat generated by the hydraulic cylinder is cooled through cold water in the water cooling pipe, the water cooling pipe can be connected with a temperature display device, water is discharged from the water outlet pipe after the water temperature rises, and high-pressure gas generated in the suction process is exhausted through the exhaust valve pipe, so that safety is guaranteed.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides a novel heating furnace pusher, includes heating furnace and pusher, its characterized in that: the pusher is arranged on one side of the heating furnace, the upper part of the heating furnace is connected with a smoke exhaust pipeline (1), a billet conveying furnace door (13) is arranged on the upper side surface of the heating furnace close to one end of the pusher, a billet enters the heating furnace through the billet conveying furnace door (13), a plurality of placing rib plates (14) are arranged on the bottom of the heating furnace along the direction of the furnace body, a push rod on the pusher horizontally penetrates through and extends to a heating cavity in the heating furnace, the pusher comprises a hydraulic cylinder (15), and a piston rod end of the hydraulic cylinder (15) is provided with a billet pushing head (16).
2. The novel heating furnace pusher according to claim 1, characterized in that: the lower extreme of discharge fume pipeline (1) is equipped with high temperature flue gas entry (3), and the upper end is equipped with exhanst gas outlet (4), superheater (5), evaporimeter (6) and economizer (7) have set gradually on the flue gas flow direction in discharge fume pipeline (1), steam pocket (2) is connected respectively to superheater (5), evaporimeter (6) and economizer (7), the inlet tube of evaporimeter (6) and steam pocket (2) lower water piping connection are equipped with hot water circulating pump (8) on the inlet tube of evaporimeter (6), pass through pipe connection between evaporimeter (6) and superheater (5), the steam conduit on steam pocket (2) is connected to the outlet duct of superheater (5), be equipped with steam outlet pipe (9) on steam pocket (2), steam outlet pipe (9) connect hot user side, the outlet conduit of water piping connection oxygen-eliminating device (10) of economizer (7), the water outlet pipe of the economizer (7) is connected with the water pipeline of the steam drum (2).
3. The novel heating furnace pusher according to claim 2, characterized in that: flue walls (11) are arranged around the smoke exhaust pipeline (1), and heat insulation layers (12) are arranged outside the flue walls (11).
4. The novel heating furnace pusher according to claim 2, characterized in that: the main bodies of the superheater (5), the evaporator (6) and the economizer (7) in the smoke exhaust pipeline (1) are continuous multi-section tube bundles which are arranged in the direction vertical to the flow direction of smoke.
5. The novel heating furnace pusher according to claim 1, characterized in that: the piston rod end of the hydraulic cylinder (15) is connected with a horizontal head separating plate (17), and a plurality of billet pushing heads (16) are uniformly arranged on the head separating plate (17).
6. The novel heating furnace pusher according to claim 1, characterized in that: the hydraulic cylinder is characterized in that a water-cooled tube (18) is arranged on the outer wall of the hydraulic cylinder (15) in an encircling mode, a bayonet at the upper end of the water-cooled tube (18) is connected with a water inlet tube (19), a water outlet at the lower end of the water-cooled tube (18) is connected with a water outlet tube (20), an electromagnetic valve is arranged on the water outlet tube (20), and an exhaust valve tube (21) is arranged at the position, connected with the water-cooled tube (18).
CN201910927657.5A 2019-09-27 2019-09-27 Novel heating furnace pusher Pending CN110657682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910927657.5A CN110657682A (en) 2019-09-27 2019-09-27 Novel heating furnace pusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910927657.5A CN110657682A (en) 2019-09-27 2019-09-27 Novel heating furnace pusher

Publications (1)

Publication Number Publication Date
CN110657682A true CN110657682A (en) 2020-01-07

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ID=69039597

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910927657.5A Pending CN110657682A (en) 2019-09-27 2019-09-27 Novel heating furnace pusher

Country Status (1)

Country Link
CN (1) CN110657682A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4043293A (en) * 1992-02-13 1993-09-13 Igor Mikhailovich Maximov Method and installation for treating metal articles with induction magnetic field in gaseous medium
ES2428144T3 (en) * 2000-10-10 2013-11-06 Ihi Corporation Continuous sintering furnace and use thereof
CN106643191A (en) * 2017-02-08 2017-05-10 中冶华天工程技术有限公司 Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration
CN206176383U (en) * 2016-05-29 2017-05-17 天津优瑞纳斯液压机械有限公司 Dangerous waste incinerator charge -in system
CN109554531A (en) * 2018-12-11 2019-04-02 攀枝花钢城集团有限公司 Furnace pusher hydraulic cylinder cooling device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4043293A (en) * 1992-02-13 1993-09-13 Igor Mikhailovich Maximov Method and installation for treating metal articles with induction magnetic field in gaseous medium
ES2428144T3 (en) * 2000-10-10 2013-11-06 Ihi Corporation Continuous sintering furnace and use thereof
CN206176383U (en) * 2016-05-29 2017-05-17 天津优瑞纳斯液压机械有限公司 Dangerous waste incinerator charge -in system
CN106643191A (en) * 2017-02-08 2017-05-10 中冶华天工程技术有限公司 Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration
CN109554531A (en) * 2018-12-11 2019-04-02 攀枝花钢城集团有限公司 Furnace pusher hydraulic cylinder cooling device

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Application publication date: 20200107

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