CN106643175A - Before-rolling preheating system used for equal-temperature same-duration heating of batched rolled pieces - Google Patents
Before-rolling preheating system used for equal-temperature same-duration heating of batched rolled pieces Download PDFInfo
- Publication number
- CN106643175A CN106643175A CN201611219304.2A CN201611219304A CN106643175A CN 106643175 A CN106643175 A CN 106643175A CN 201611219304 A CN201611219304 A CN 201611219304A CN 106643175 A CN106643175 A CN 106643175A
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- CN
- China
- Prior art keywords
- heater
- duration
- rolled piece
- rolled
- heated
- 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.)
- Granted
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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
-
- 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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0014—Devices for monitoring temperature
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
-
- 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
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0042—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising roller trains
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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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
- F27D2099/0008—Resistor heating
- F27D2099/0011—The resistor heats a radiant tube or surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/02—Preheating, e.g. in a laminating line
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a before-rolling preheating system used for equal-temperature same-duration heating of batched rolled pieces. The system comprises a furnace, furnace doors are arranged at an inlet and an outlet respectively, the inlet and the outlet are formed in the left end and the right end of the furnace respectively, a transmission roller way is arranged in the middle in the furnace and flush with the furnace doors, a heater used for heating and temperature control is arranged above the transmission roller way, and a plurality of vertical jacking mechanisms are disposed at the bottom in the furnace. The equal-temperature same-duration heating of the batched rolled pieces can be achieved only by means of one heater, the equal-temperature same-duration heating of the batched rolled pieces can be achieved by means of one heater through the lengthened roller way and the jacking mechanisms, the jacking mechanisms in the furnace ascend and descend under the drive of a short-stroke cylinder with a guide rod, and ascending time and descending time are completely same so as to guarantee same-duration heating. Control over temperature control precision and heating duration of the system is precise, the structure is compact, the occupied area is small, energy conservation and environmental protection are achieved, production efficiency is high, automation is easy to achieve, operation and maintenance are easy, and operation is stable and reliable.
Description
Technical field
The invention belongs to machinery and automation on metallurgy, rolling technical field, and in particular to one kind is used for batch rolled piece isothermal
Front pre-heating system is rolled with what duration was heated.
Background technology
Batch rolled piece isothermal rolls front pre-heating system with what duration was heated, rolls dedicated for some specific alloy composite plate hot rollings
Preheating before system.
To realize with the material property after a collection of specific alloy composite plate rolled piece hot rolling and mechanical property be uniform, consistent, palpus
Ensure with a collection of rolled piece through it is mutually synthermal with the rolling of identical duration before preheat.I.e.：Each piece in a collection of rolled piece
Rolled piece is in same temperature（Temperature gap≤± 10 degree）Under the pre-warmed time（Time difference≤± 5 second）It is essentially equal.
The content of the invention
The invention aims in realizing the course of hot rolling of some specific alloy composite plates, the pre-add before rolling
Heat is uniform with mechanical property, consistent with the material property after a collection of specific alloy composite plate rolled piece hot rolling.
For this purpose, present invention offer is a kind of to roll front pre-heating system, including body of heater for batch rolled piece isothermal with what duration was heated,
The import and export position at described body of heater or so two ends is respectively provided with fire door, and middle part is provided with live-roller gear in body of heater, live-roller gear with
Fire door keeps equal, and live-roller gear top is provided with the heater for heating with temperature control, and body of heater inner bottom part is provided with multiple vertical
The lifting body of installation.
Described heater includes heater and thermometric and temp-controlling element, and described thermometric and temp-controlling element are from body of heater top
In portion's insertion stove, including a two-way thermocouple and a single channel K-type thermocouple；The thermocouple all the way of the two-way thermocouple is used
In thermometric, another road thermocouple is connected to temperature control with heater, and described single channel K-type thermocouple is located at live-roller gear top
For the temperature on real-time monitoring rolled piece surface.
Described heater is electric heating material, and in " U " shape dress inside two quartz ampoules, heater is from stove for entirety
Side side loads in stove, external power source is arranged outside stove and is connected with heater.
Described live-roller gear includes many rollers side by side, and roller loads in stove from body of heater side, and roller two ends adopt
Heatproof bearings, arrange variable frequency reducer motor outside body of heater, variable frequency reducer motor is connected with roller, and chain is adopted between many rollers
Bar sprocket wheel is connected.
Spacer ring is provided with described roller, multiple rolled piece passages are separated in roller by spacer ring.
Described lifting body is made up of jacking pallet, lifting pin and driving means, and described driving means are located at body of heater
Lower section, lifting pin is connected through bottom of furnace body with driving means, and jacking pallet is arranged on the top of lifting pin, rolls for holding up
Part.
Described driving means using guide short stroke air cylinders drive, short stroke air cylinders it is upper and lower spacing by one
Individual travel switch control signal.
Described jacking pallet is formed by high temperature stainless steel sheet material welding processing；Lifting pin is using stainless steel pipe and bar
Welding processing is formed；Described bottom of furnace body compresses sealing with lifting pin using ceramic fibre rope.
Multiple samming holes are distributed with described jacking pallet.
This of present invention offer rolls front pre-heating system for batch rolled piece isothermal with what duration was heated, with following excellent
Point：
1st, in the present invention, only it is capable of achieving batch rolled piece isothermal with a heating furnace and heats with duration；
2nd, in the present invention, the multiple lifting bodies in stove drive spiral lift to realize lifting using servomotor, are capable of achieving to rise
The drop time is identical with the heating of the durations such as guarantee；
3rd, a collection of rolled piece is heated using a heating furnace simultaneously and is capable of achieving equitemperature heating；
4th, in the present invention, a heating furnace realizes that batch rolled piece isothermal adds with duration by lengthening roller-way and arranging lifting body
Heat, system temperature-controlled precision and heating duration control it is accurate, compact conformation floor space is little, energy-conserving and environment-protective, production efficiency are high, Yi Shi
Existing automaticity, Operation and Maintenance are simple, stable and reliable operation.
Description of the drawings
The present invention is described in further details below with reference to accompanying drawing.
Fig. 1 is to roll front pre-heating system structural representation with what duration was heated for batch rolled piece isothermal.
Fig. 2 is the top view of Fig. 1.
Description of reference numerals：1st, fire door；2nd, body of heater；3rd, heater；4th, live-roller gear；5th, lifting body；6th, thermometric and control
Warm element；7th, rolled piece.
Specific embodiment
Embodiment 1：
The present embodiment offer is a kind of to roll front pre-heating system for batch rolled piece isothermal with what duration was heated, with reference to Fig. 1 and Fig. 2 institutes
Show, including body of heater 2, the import and export position at the described two ends of body of heater 2 or so is respectively provided with middle part in fire door 1, body of heater 2 and is provided with transmission
Roller-way 4, live-roller gear 4 keeps equal with fire door 1, and the top of live-roller gear 4 is provided with the heater 3 for heating with temperature control, stove
The inner bottom part of body 2 is provided with multiple vertically-mounted lifting bodies 5.
The present embodiment for batch rolled piece isothermal rolls front pre-heating system with what duration was heated, and its specific course of work is such as
Under：1. heating furnace entrance fire door 1 is opened；2. after the 1st piece of rolled piece 7 is entered in heating furnace via transfer roller 4, No. 1 lifting body 5
Jack-up rises rolled piece 7 to leave transfer roller 4 and begin to warm up；After 2nd piece of rolled piece 7 is entered in heating furnace via transfer roller 4,2
Number jack-up of lifting body 5 rises rolled piece 7 to leave transfer roller and begin to warm up；……；Nth block rolled piece 7 enters via transfer roller 4
After entering in heating furnace, the jack-up of N lifting bodies 5 rises rolled piece 7 to leave transfer roller 4 and begin to warm up；3. preheating furnace entrance stove
Door 1 is closed；4. N blocks rolled piece 7 is heated simultaneously is spaced the t times（Concrete t values are by added hot-rolling stock material property and rolled piece Rolling Production
Technological process etc. is determined）；5. furnace outlet fire door 1 is opened；6. No. 1 lifting body 5 falls and makes No. 1 rolled piece 7 fall transmission
On roller-way 4, rolled after transporting outside heating furnace via transfer roller 4；No. 2 lifting bodies 5 fall and fall No. 2 rolled piece 7
In transfer roller 4, rolled after transporting outside heating furnace via transfer roller 4；……；N lifting bodies 5 fall and make nth block
Rolled piece 7 is fallen in transfer roller 4, is rolled after transporting outside heating furnace via transfer roller 4；Plus preheating outlet of still fire door 1 7.
Close；8. 1. 2. 3. 4. 5. 6. 7. step carries out new circulation to next group rolled piece according to aforementioned.
The present embodiment leaves roller by being evenly arranged a series of confession rolled pieces along roller-way centerline direction in a heating furnace
Road carries out pre-warmed lifting body to realize that batch rolled piece isothermal is heated with duration.
Embodiment 2：
The present embodiment is described in detail to the heater 3 in above-described embodiment, and heater 3 includes heater and thermometric and control
Warm element 6, described thermometric and temp-controlling element 6 is inserted in stove from the top of body of heater 2, including a two-way thermocouple and a single channel
K-type thermocouple；The thermocouple all the way of the two-way thermocouple is used for thermometric, and another road thermocouple is connected to control with heater
Temperature, described single channel K-type thermocouple is located at the top of live-roller gear 4 for the temperature on the surface of real-time monitoring rolled piece 7.
Above-mentioned heater is electric heating material, and entirety inside two quartz ampoules, both ensure that stove interior temperature in " U " shape dress
Degree uniformity, while ensure that furnace inner environment is cleaned.Heater loads in stove from the side of body of heater 2, and external power source is arranged outside stove
And be connected with heater, external power source wiring is located at the same side of body of heater 2, and simple structure is easy to maintenance.
Embodiment 3：
The present embodiment is described in detail to the live-roller gear 4 in above-described embodiment, and live-roller gear 4 includes many rollers side by side
Son, is formed using high temperature stainless steel tubular object extruding, and roller loads in stove from the side of body of heater 2, and roller two ends are using heatproof bearing
Support, body of heater 2 is outer to arrange variable frequency reducer motor, and variable frequency reducer motor is connected with roller, is connected using chain sprocket between many rollers
It is integral, driven using variable frequency reducer motor, transmission speed continuously adjustabe within the specific limits.
Spacer ring is provided with roller, multiple rolled piece passages are separated in roller by spacer ring, in the bottom of body of heater 2 correspondence body of heater
The position of the multiple rolled piece passages in 2 inside, is correspondingly arranged respectively 1 set of lifting body 5, and lifting body 5 is used for rolling corresponding station
The jack-up of part 7 departs from live-roller gear 4, to solve to transmit problem when the rolled piece 7 on each live-roller gear 4 is different, that is, transmits in place
Rolled piece 7 departed from live-roller gear 4 by lifting body 5, live-roller gear 4 is rotated further to transmit the rolled piece 7 of other passages.
Embodiment 4：
The present embodiment is described in detail to the lifting body 5 in above-described embodiment, and lifting body 5 is by jacking pallet, lifting pin
With driving means composition, positioned at the lower section of body of heater 2, lifting pin is connected described driving means through the bottom of body of heater 2 with driving means,
Jacking pallet is arranged on the top of lifting pin, for holding up rolled piece 7.
Above-mentioned jacking pallet is formed by high temperature stainless steel sheet material welding processing, for holding up rolled piece；Lifting pin is using stainless
Steel tubing is formed with bar welding processing, through the bottom of body of heater 2 connection driving means and jacking pallet, lifting pin and bottom of furnace body
Compressed using ceramic fibre rope and sealed.Driving means are used to drive the up and down motion of lifting pin and jacking pallet, are oriented to using band
The short stroke air cylinders of bar drive, spacing up and down to provide signal by travel switch.
In addition, multiple samming holes are distributed with jacking pallet, samming hole is opened up so as to not affect rolled piece when holding up rolled piece
Temperature homogeneity.
Front pre-heating system is rolled by shop test, and put into commercial Application producing in batches in the present invention.Mesh
Before, system for field actual motion is steadily reliable, and temperature-controlled precision and heating duration control are accurate, temperature-controlled precision≤± 5 degree, during heating
Long difference≤± 3 second, fully meet some specific alloy composite plate rolling mill practice requirements, achieve significant effect.
In sum, this of the present invention rolls front pre-heating system for batch rolled piece isothermal with what duration was heated, only with one
Platform heating furnace is capable of achieving batch rolled piece isothermal and heats with duration, and a heating furnace is by lengthening roller-way and arranging lifting body reality
Now batch rolled piece isothermal is heated with duration, is heated a collection of rolled piece simultaneously using a heating furnace and is capable of achieving equitemperature heating, in stove
Multiple lifting bodies using guide short stroke air cylinders drive realize lifting, be capable of achieving lifting time it is identical with protect
The heating of the durations such as card.System temperature-controlled precision and heating duration control are accurate, compact conformation floor space is little, energy-conserving and environment-protective, production
Efficiency high, easily realize that automaticity, Operation and Maintenance be simple, stable and reliable operation.
Exemplified as above is only the illustration to the present invention, does not constitute the restriction to protection scope of the present invention, all
It is that design same or analogous with the present invention is belonged within protection scope of the present invention.
Claims (9)
1. it is a kind of to roll front pre-heating system, including body of heater with what duration was heated for batch rolled piece isothermal（2）, it is characterised in that：Institute
The body of heater stated（2）The import and export position at left and right two ends is respectively provided with fire door（1）, body of heater（2）Interior middle part is provided with live-roller gear（4）,
Live-roller gear（4）With fire door（1）Keep equal, live-roller gear（4）Top is provided with the heater for heating with temperature control（3）,
Body of heater（2）Inner bottom part is provided with multiple vertically-mounted lifting bodies（5）.
2. as claimed in claim 1 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
The heater stated（3）Including heater and thermometric and temp-controlling element（6）, described thermometric and temp-controlling element（6）From body of heater（2）
In top insertion stove, including a two-way thermocouple and a single channel K-type thermocouple；The thermocouple all the way of the two-way thermocouple
For thermometric, another road thermocouple is connected to temperature control with heater, and described single channel K-type thermocouple is located at live-roller gear
（4）Top is used for real-time monitoring rolled piece（7）The temperature on surface.
3. as claimed in claim 2 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
The heater stated is electric heating material, and in " U " shape dress inside two quartz ampoules, heater is from body of heater for entirety（2）Side
Load in stove, external power source is set outside stove and is connected with heater.
4. as claimed in claim 1 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
The live-roller gear stated（4）Including many rollers side by side, roller is from body of heater（2）Side loads in stove, and roller two ends adopt heatproof
Bearings, body of heater（2）Outer setting variable frequency reducer motor, variable frequency reducer motor is connected with roller, and chain is adopted between many rollers
Bar sprocket wheel is connected.
5. as claimed in claim 4 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
Spacer ring is provided with the roller stated, multiple rolled piece passages are separated in roller by spacer ring.
6. as claimed in claim 1 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
The lifting body stated（5）It is made up of jacking pallet, lifting pin and driving means, described driving means are located at body of heater（2）Lower section,
Lifting pin passes through body of heater（2）Bottom is connected with driving means, and jacking pallet is arranged on the top of lifting pin, for holding up rolled piece
（7）.
7. as claimed in claim 6 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
The driving means stated using guide short stroke air cylinders drive, short stroke air cylinders it is upper and lower spacing by a travel switch
Control signal.
8. as claimed in claims 6 or 7 roll front pre-heating system with what duration was heated for batch rolled piece isothermal, its feature exists
In：Described jacking pallet is formed by high temperature stainless steel sheet material welding processing；Lifting pin is welded using stainless steel pipe with bar
Process；Described body of heater（2）Bottom compresses sealing with lifting pin using ceramic fibre rope.
9. as claimed in claim 8 front pre-heating system is rolled with what duration was heated for batch rolled piece isothermal, it is characterised in that：Institute
Multiple samming holes are distributed with the jacking pallet stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219304.2A CN106643175B (en) | 2016-12-26 | 2016-12-26 | It is a kind of to roll preceding pre-heating system with what duration heated for batch rolled piece isothermal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219304.2A CN106643175B (en) | 2016-12-26 | 2016-12-26 | It is a kind of to roll preceding pre-heating system with what duration heated for batch rolled piece isothermal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106643175A true CN106643175A (en) | 2017-05-10 |
| CN106643175B CN106643175B (en) | 2019-02-19 |
Family
ID=58827863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611219304.2A Active CN106643175B (en) | 2016-12-26 | 2016-12-26 | It is a kind of to roll preceding pre-heating system with what duration heated for batch rolled piece isothermal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643175B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB437333A (en) * | 1934-05-03 | 1935-10-28 | Bbc Brown Boveri & Cie | Improvements in and relating to electric smelting furnaces |
| JPH06174377A (en) * | 1992-12-04 | 1994-06-24 | Komatsu Ltd | Multipurpose controlled atmosphere heat treatment equipment |
| CN101899633A (en) * | 2010-07-31 | 2010-12-01 | 桂林漓佳金属有限责任公司 | Automatic loading device for nonferrous metal tube annealing furnace |
| CN104880062A (en) * | 2015-05-25 | 2015-09-02 | 绥阳县华夏陶瓷有限责任公司 | Double-layer roller-way kiln provided with lifting device |
| CN206352975U (en) * | 2016-12-26 | 2017-07-25 | 中国重型机械研究院股份公司 | It is a kind of to roll preceding preheating furnace with what duration was heated for batch rolled piece isothermal |
-
2016
- 2016-12-26 CN CN201611219304.2A patent/CN106643175B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB437333A (en) * | 1934-05-03 | 1935-10-28 | Bbc Brown Boveri & Cie | Improvements in and relating to electric smelting furnaces |
| JPH06174377A (en) * | 1992-12-04 | 1994-06-24 | Komatsu Ltd | Multipurpose controlled atmosphere heat treatment equipment |
| CN101899633A (en) * | 2010-07-31 | 2010-12-01 | 桂林漓佳金属有限责任公司 | Automatic loading device for nonferrous metal tube annealing furnace |
| CN104880062A (en) * | 2015-05-25 | 2015-09-02 | 绥阳县华夏陶瓷有限责任公司 | Double-layer roller-way kiln provided with lifting device |
| CN206352975U (en) * | 2016-12-26 | 2017-07-25 | 中国重型机械研究院股份公司 | It is a kind of to roll preceding preheating furnace with what duration was heated for batch rolled piece isothermal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106643175B (en) | 2019-02-19 |
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