CN106914593B - Movable heat-preservation system and method for slab hot sending system - Google Patents
Movable heat-preservation system and method for slab hot sending system Download PDFInfo
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- CN106914593B CN106914593B CN201710255899.5A CN201710255899A CN106914593B CN 106914593 B CN106914593 B CN 106914593B CN 201710255899 A CN201710255899 A CN 201710255899A CN 106914593 B CN106914593 B CN 106914593B
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- Prior art keywords
- preservation
- movable heat
- heat
- trolley
- slab
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1284—Horizontal removing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The present invention discloses a kind of movable heat-preservation system for slab hot sending system, the heating furnace for being heat-fed system including slab and being connect with slab hot sending system outlet, slab hot sending system is by several spaced hot sending roller groups at being respectively arranged at the blank inlet and blank outlet of slab hot sending system and be heat-fed roller axially parallel sliding rail；It further include the movable heat-preservation trolley for the heat preservation of hot-cast base, sliding rail described in movable heat-preservation trolley both ends is slidably connected；The present invention keeps the temperature the hot-cast base in slab hot sending system, reduces the cooling velocity of slab, improves workshop slab and is heat-fed temperature, reduces the burn out rate of the consumption of heating furnace combustion medium and iron scale.
Description
Technical field
The present invention relates to a kind of movable heat-preservation system and methods for slab hot sending system.
Background technique
Iron and steel enterprise is the basic industry of national economy, and under the situation of national economy fast development, output of steel is in recent years not
Disconnected to improve, China's crude steel yield in 2015 reaches 8.04 × 108T/a accounts for global crude steel yield 49.5%.
With the development and maturation of continuous casting technology, the continuous casting billet hot-loading and hot-conveying technology of itself thermal energy of continuous casting billet is made full use of
It has become one of the important means of energy-saving in steel production enterprise.The implementation of hot charging and hot rolling of continuous casting slab technique illustrates steel-making-
Continuous casting-steel rolling process has reached very high integration, intensive level.
Currently, domestic many slab hot sending systems only realize transfer of the slab from continuous casting to heating furnace, but for hot sending
Slab heat preservation in the process causes heat of slab during hot sending and largely loses, do not have not only without effectively being studied
There is the physical thermal for making full use of hot-cast base, does not also further decrease slab iron scale burn out rate in heating furnace.
Summary of the invention
In view of the above-mentioned problems, the present invention provides the movable type for slab hot sending system that a kind of pair of hot-cast base is kept the temperature
Heat-insulation system and method.
In order to achieve the above objectives, a kind of movable heat-preservation system for slab hot sending system of the present invention, including blank hot
The heating furnace for sending system and connecting with slab hot sending system outlet, the slab hot sending system is by several spaced heat
Send roller group at being respectively arranged at the blank inlet and blank outlet of slab hot sending system and be heat-fed roller axially parallel cunning
Rail；
Further include the movable heat-preservation trolley for the heat preservation of hot-cast base, driving dress is provided on the movable heat-preservation trolley
It sets, movable heat-preservation trolley both ends are slidably connected with the sliding rail；
The sliding rail is provided with holding fix and operating position, and the holding fix is the sliding rail for being arranged far from hot sending roller
Section, the operating position are the sliding rail section being arranged in above hot sending roller；
When slab hot sending system work, the driving device drives the movable heat-preservation trolley to be moved to the work
Position；When slab hot sending system does not work, the driving device drives the movable heat-preservation trolley to be moved to the waiting
Position.
Preferably, the driving device is decelerating motor, forward and backward is provided on the decelerating motor and is started switch；Institute
It states and is respectively arranged with working position limit switch and waiting position limit switch on the bottom end of movable heat-preservation trolley two sidewalls；The sliding rail
Holding fix and operating position be respectively arranged with car bumper, be provided with trigger on the car bumper；
The trigger, the working position limit switch, the waiting position limit switch and forward and backward starting are opened
Powered-down connection；
The rotating forward of the decelerating motor is started switch into opening, the movable heat-preservation trolley is moved to operating position direction
Dynamic, when the movable heat-preservation trolley is moved to the operating position above hot sending roller, the trigger on the car bumper triggers institute
The working position limit switch on movable heat-preservation trolley is stated, the rotating forward that the working position limit switch closes the decelerating motor is opened
Dynamic switch, the movable heat-preservation trolley stop movement；
The reversion of the decelerating motor is started switch into opening, the movable heat-preservation trolley is moved to holding fix direction
Dynamic, when the movable heat-preservation trolley is moved to holding fix above hot sending roller, the trigger on the car bumper triggers institute
The waiting position limit switch on movable heat-preservation trolley is stated, the reversion for waiting position limit switch to close the decelerating motor is opened
Dynamic switch, the movable heat-preservation trolley stop movement.
Preferably, the movable heat-preservation is heat-insulating steel plate welding structure, the heat-insulating steel plate includes the lightweight of thick 40mm
The liner of fire-proof spray coating and the outer steel plate of thickness 12mm；The movement speed of the movable heat-preservation trolley is 20m/min, the shifting
Dynamic formula heat preservation trolley bottom end is provided with several through slots being adapted to the hot sending roller, and movable heat-preservation trolley top is provided with
Hanging ring.
Preferably, movable heat-preservation trolley bottom end is provided with idler wheel, the idler wheel is adapted to the sliding rail, the rolling
The output shaft of the transmission shaft of wheel and the decelerating motor is sequentially connected.
Preferably, the sliding rail bottom is fixedly connected with the girder steel for being used to support sliding rail, the girder steel and column top are solid
Fixed connection.
In order to achieve the above objectives, a kind of implementation method of the movable heat-preservation system for slab hot sending system of the present invention,
The described method includes:
(1) when the work of slab hot sending system, movable heat-preservation trolley is moved to operating position and is kept the temperature；
(2) when slab is offline or slab hot sending system overhaul, movable heat-preservation trolley is moved to holding fix and is provided
Operating space.
The heat preservation to the hot-cast base on hot sending line may be implemented when normal use of the present invention, improve the hot sending hot sending of workshop slab
Temperature, when needing to carry out offline slab or overhaul of the equipments, heat preservation trolley is moved to holding fix, meets technological operation space need
It wants.
Detailed description of the invention
Fig. 1 is the craftworks CAD system figure of slab hot sending system of the present invention；
Fig. 2 is A-A cross-sectional view of slab hot sending system in Fig. 1.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings of the specification.
Embodiment 1
As shown in Figs. 1-2, a kind of movable heat-preservation system for slab hot sending system of the present embodiment, including slab hot sending
System 1 and the heating furnace connected with the outlet of slab hot sending system 1, the slab hot sending system 1 is by several spaced
It is heat-fed roller 4 to form, be respectively arranged at the blank inlet and blank outlet of slab hot sending system 1 axial parallel with hot sending roller 4
Sliding rail 2；
Further include the movable heat-preservation trolley 3 for the heat preservation of hot-cast base, is provided with driving on the movable heat-preservation trolley 3
Device, 3 both ends of movable heat-preservation trolley are slidably connected with the sliding rail 2；
The sliding rail 2 is provided with holding fix and operating position, and the holding fix is to be arranged far from slab hot sending system
The sliding rail section of system 1, the operating position are the sliding rail section that 1 top of slab hot sending system is arranged in；
When slab hot sending system 1 works, the driving device drives the movable heat-preservation trolley 3 to be moved to the work
Make position；When slab hot sending system 1 does not work, it is described that the driving device drives the movable heat-preservation trolley 3 to be moved to
Holding fix.
Movable heat-preservation trolley 3 is arranged above slab hot sending system 1 in the present embodiment, and when normal use may be implemented to heat
The heat preservation of hot-cast base in line sending；Workshop slab hot sending hot sending temperature is improved, the consumption of heating furnace combustion medium and iron oxide are reduced
The burn out rate of skin.
Embodiment 2
Based on the above embodiment, driving device described in the present embodiment is decelerating motor, be provided on the decelerating motor just,
Reversion starts switch；It is respectively arranged with working position limit switch on the 3 two sidewalls bottom end of movable heat-preservation trolley and waits position
Limit switch；The holding fix of the sliding rail and operating position are respectively arranged with car bumper 6, are provided with trigger on the car bumper 6；
The trigger, the working position limit switch, the waiting position limit switch and forward and backward starting are opened
Powered-down connection；
The rotating forward of the decelerating motor is started switch into opening, the movable heat-preservation trolley 3 is moved to operating position direction
Dynamic, when the movable heat-preservation trolley 3 is moved to the operating position of 1 top of slab hot sending system, on the car bumper triggering
Device triggers the working position limit switch on the movable heat-preservation trolley, and the working position limit switch closes the decelerating motor
Rotating forward start switch, the movable heat-preservation trolley stops movement；
The reversion of the decelerating motor is started switch into opening, the movable heat-preservation trolley 3 is moved to holding fix direction
Dynamic, when the movable heat-preservation trolley 3 is moved to holding fix above slab hot sending system 1, on the car bumper 6 triggering
Device triggers the waiting position limit switch on the movable heat-preservation trolley 3, and the waiting position limit switch closes the deceleration electricity
The reversion of machine starts switch, and the movable heat-preservation trolley 3 stops movement.
The present embodiment slab, which is heat-fed above system 1, is arranged movable heat-preservation trolley 3, movable heat-preservation trolley when normal use
3 move to operating position and are parked in above hot-cast base under the action of working position limit switch, to the hot-cast base on hot sending line
Heat preservation, when needing to carry out offline slab or overhaul of the equipments, movable heat-preservation trolley 3 is moved to holding fix and by waiting position
Limit switch is parked in holding fix, meets technological operation space needs.
Embodiment 3
Based on being above embodiment, this implementation movable heat-preservation trolley 3 is heat-insulating steel plate welding structure, the heat preservation steel
Plate includes the liner of the light-weight refractory spray paint of thick 40mm and the outer steel plate of thickness 12mm；The movement of the movable heat-preservation trolley 3
Speed is 20m/min, and 3 bottom end of movable heat-preservation trolley is provided with several through slots being adapted to the hot sending roller 4, the shifting
Dynamic formula heat preservation 3 top of trolley is provided with hanging ring 5.
3 bottom end of movable heat-preservation trolley is provided with idler wheel, and the idler wheel is adapted to the sliding rail 2, the idler wheel
The output shaft of transmission shaft and the decelerating motor is sequentially connected.
The present embodiment movable heat-preservation trolley is heat-resist, while facilitating driving, easy to operate, improves heat insulation effect.
Embodiment 4
A kind of movable heat-preservation process for slab hot sending system of the present embodiment, the method includes following steps
It is rapid:
(1) when the work of slab hot sending system, movable heat-preservation trolley is moved to operating position and is kept the temperature；
(2) when slab is offline or slab hot sending system overhaul, movable heat-preservation trolley is moved to holding fix and is provided
Operating space.
The present embodiment is arranged movable heat-preservation trolley above slab hot sending system, and when normal use may be implemented to hot sending
The heat preservation of hot-cast base on line, when needing to carry out offline slab or overhaul of the equipments, heat preservation trolley is moved to holding fix, meets
Technological operation space needs.
More than, only presently preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with sheet
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, the scope of protection of the present invention shall be subject to the scope of protection defined by the claims.
Claims (4)
1. it is a kind of for slab hot sending system movable heat-preservation system, it is characterised in that: including slab be heat-fed system and with institute
State the heating furnace of slab hot sending system outlet connection, slab hot sending system by several spaced hot sending roller groups at,
It is respectively arranged at the blank inlet and blank outlet of slab hot sending system and is heat-fed roller axially parallel sliding rail；
Further include the movable heat-preservation trolley for the heat preservation of hot-cast base, be provided with driving device on the movable heat-preservation trolley,
Movable heat-preservation trolley both ends are slidably connected with the sliding rail；
The sliding rail is provided with holding fix and operating position, and the holding fix is the sliding rail section for being arranged far from hot sending roller,
The operating position is the sliding rail section being arranged in above hot sending roller；
When slab hot sending system work, the driving device drives the movable heat-preservation trolley to be moved to the working position
It sets；When slab hot sending system does not work, the driving device drives the movable heat-preservation trolley to be moved to the waiting position
It sets；
The driving device is decelerating motor, is provided with forward and backward on the decelerating motor and starts switch；The movable heat-preservation
It is respectively arranged with working position limit switch on the bottom end of trolley two sidewalls and waits position limit switch；The holding fix of the sliding rail and
Operating position is respectively arranged with car bumper, is provided with trigger on the car bumper；
The trigger, the working position limit switch, the waiting position limit switch and the forward and backward start switch electricity
Connection；
The rotating forward of the decelerating motor is started switch into opening, the movable heat-preservation trolley is mobile to operating position direction, when
When the movable heat-preservation trolley is moved to the operating position above hot sending roller, the trigger on the car bumper triggers the movement
Formula keeps the temperature the working position limit switch on trolley, and the rotating forward starting that the working position limit switch closes the decelerating motor is opened
It closes, the movable heat-preservation trolley stops movement；
The reversion of the decelerating motor is started switch into opening, the movable heat-preservation trolley is mobile to holding fix direction, when
When the movable heat-preservation trolley is moved to holding fix above hot sending roller, the trigger on the car bumper triggers the movement
Formula keeps the temperature the waiting position limit switch on trolley, and the reversion starting for waiting position limit switch to close the decelerating motor is opened
It closes, the movable heat-preservation trolley stops movement；
The movable heat-preservation is heat-insulating steel plate welding structure, and the heat-insulating steel plate includes the light-weight refractory spray paint of thick 40mm
The outer steel plate of liner and thickness 12mm；The movement speed of the movable heat-preservation trolley is 20m/min, the movable heat-preservation trolley
Bottom end is provided with several through slots being adapted to the hot sending roller, and movable heat-preservation trolley top is provided with hanging ring.
2. a kind of movable heat-preservation system for slab hot sending system as described in claim 1, it is characterised in that: the movement
Formula heat preservation trolley bottom end is provided with idler wheel, and the idler wheel is adapted to the sliding rail, the transmission shaft of the idler wheel and deceleration electricity
The output shaft of machine is sequentially connected.
3. a kind of movable heat-preservation system for slab hot sending system as described in claim 1, it is characterised in that: the sliding rail
Bottom is fixedly connected with the girder steel for being used to support sliding rail, and the girder steel is fixedly connected with column top.
4. a kind of implementation method of the movable heat-preservation system for slab hot sending system as described in claim 1-3 is any,
It is characterized in that: the described method includes:
(1) when the work of slab hot sending system, movable heat-preservation trolley is moved to operating position and is kept the temperature；
(2) when slab is offline or slab hot sending system overhaul, movable heat-preservation trolley is moved to holding fix, operation is provided
Space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255899.5A CN106914593B (en) | 2017-04-19 | 2017-04-19 | Movable heat-preservation system and method for slab hot sending system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255899.5A CN106914593B (en) | 2017-04-19 | 2017-04-19 | Movable heat-preservation system and method for slab hot sending system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106914593A CN106914593A (en) | 2017-07-04 |
| CN106914593B true CN106914593B (en) | 2018-12-04 |
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ID=59567411
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710255899.5A Active CN106914593B (en) | 2017-04-19 | 2017-04-19 | Movable heat-preservation system and method for slab hot sending system |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938845B2 (en) * | 1980-09-04 | 1984-09-19 | 新日本製鐵株式会社 | Slab insulation device |
| JPS61217523A (en) * | 1985-03-22 | 1986-09-27 | Nippon Steel Corp | Heat holding apparatus of steel slab for rolling |
| ES2097223T5 (en) * | 1991-02-19 | 2000-07-16 | Danieli Off Mecc | TUNNEL SYSTEM FOR A HOT BELT ROLLING TRAIN COUPLED TO THE CONTINUOUS CASTING OF THIN SHEETS. |
| JP2756640B2 (en) * | 1994-03-29 | 1998-05-25 | 共英製鋼株式会社 | Tunnel furnace for billet heating and heat retention |
| JP2003220404A (en) * | 2002-01-23 | 2003-08-05 | Nippon Steel Corp | Bogie for conveying hot steel piece |
| CN2522197Y (en) * | 2002-01-23 | 2002-11-27 | 武汉钢铁(集团)公司 | Casting blank heat-insulating cover |
| CN2803549Y (en) * | 2005-04-05 | 2006-08-09 | 鞍山市润辉冶金设备制造有限公司 | Thermal insulation cover on transferring roller way of continuous casting and rolling set for hot rolled strips |
| CN101164721B (en) * | 2006-10-19 | 2010-05-12 | 鞍钢股份有限公司 | Complete stroke thermal insulating cover for continuous casting conveying roller way |
| CN106238694B (en) * | 2016-09-14 | 2018-10-12 | 中冶华天南京工程技术有限公司 | A kind of hot charging and hot rolling of continuous casting slab process and device |
| CN106391733A (en) * | 2016-11-24 | 2017-02-15 | 芜湖新兴铸管有限责任公司 | Movable heat preservation device |
| CN206779404U (en) * | 2017-04-19 | 2017-12-22 | 中冶华天南京工程技术有限公司 | Movable heat-preservation system for strand hot sending system |
-
2017
- 2017-04-19 CN CN201710255899.5A patent/CN106914593B/en active Active
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| CN106914593A (en) | 2017-07-04 |
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