CN201400705Y - Car bottom furnace used for heating plate blank - Google Patents
Car bottom furnace used for heating plate blank Download PDFInfo
- Publication number
- CN201400705Y CN201400705Y CN2009201462002U CN200920146200U CN201400705Y CN 201400705 Y CN201400705 Y CN 201400705Y CN 2009201462002 U CN2009201462002 U CN 2009201462002U CN 200920146200 U CN200920146200 U CN 200920146200U CN 201400705 Y CN201400705 Y CN 201400705Y
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- car bottom
- blank
- bottom furnace
- slab
- furnace
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Abstract
The utility model relates to a car bottom furnace used for heating plate blank. The furnace comprises a furnace body (2) and a trolley track (4), wherein two sides of the furnace body (2) are providedwith a charging hole (1) and a discharge hole (3) oppositely; the trolley track (4) is laid by passing across the furnace body (2) through the charging hole (1) and extends out from the discharge hole (3); two ends of the trolley track respectively extend to a plate blank repository area and a main rolling area; and the trolley track (4) is provided with a blank moving trolley (5). The car bottomfurnace used for heating plate blank causes the arrangement and use of rolling plants to be more flexible and equipment to occupy small area, reduces the investment cost of the rolling plants and decreases the intermediate circulating links of blank.
Description
Technical field
The utility model relates to a kind of car bottom furnace, particularly a kind ofly can connect mill slab reservoir area and the main car bottom furnace that rolls the district, slab is heated.
Background technology
The employed slab blank of Steel Plant's Rolling Production has ingot casting and continuous billet casting, the rolling processing of being carried out can be divided into: breaking down is rolling, heavy plate rolling, sheet rolling, section rolling, rod rolling and steel pipe rolling etc., and the rolling processing of no matter carrying out above-mentioned which kind of pattern all needs earlier blank to be heated.In February, 1984 publication of metallurgical press " Steel Plant's technical training book of reference---hot rolled strip " the 2nd chapter rolling equipment and operation---1. write in process furnace (1) the furnace apparatus heating efficiency: " heating efficiency of process furnace depends on that the maximum allowable temperature in desired slab burning steel temperature of rolling mill and the slab is poor.In addition, heating efficiency is also relevant with factors such as heated slab thickness, heat-up time, rolling size, rolling mill abilities "; Write in (2) heating operation simultaneously: " purpose of heating is with minimum fuel slab to be heated to be suitable for rolling temperature, and the board briquette that takes out from process furnace depends on the thickness of slab, the fuel quantity of each heating zone use and the speed that slab passes through substantially in process furnace.That is to say: thick slab must improve design temperature, increase the use of fuel or reduce slab and pass through speed in process furnace, up to being heated essential temperature." in order to guarantee to heat the quality of slab, preventing the generation of accidents such as arch stove or slab overlap, dissimilar furnace apparatus is selected in different rolling processing.Generally speaking, select walking-beam furnace or push away steel stove etc. to carry out for thin wide plate base blank heating, because walking-beam furnace or to push away the type of furnace size of steel stove bigger, and it is less relatively to add the hot continuously cast material size, more easily reach required Heating temperature, therefore, select bilateral to open the door usually, blank can directly be delivered to next production process after advancing the stove heating like this; Longer for the blank that dimensions is thicker owing to required heat-up time, just need heat with car bottom furnace, for can not be with the less blank of some dimensions of walking-beam furnace heating, also need the car bottom furnace heating,, and use the one-sided car bottom furnace that opens the door because the car bottom furnace overall dimensions are less relatively, therefore, when carrying out equipment layout,, do not consider on the line of workshop logistics smoothly though be the logistics link in workshop.
In heavy plate rolling is produced, in order to satisfy the demand of different clients to the finished product steel plate, car bottom furnace can heat the large steel ingot that weight is 30t, 40t, 50t and 60t, car bottom furnace both had been applicable to the heating of blanks such as special requirement, special steel grade or test steel grade, in addition, because the car bottom furnace structure is less, blow-on heating slab is convenient, than the walking-beam furnace save energy, simple to operate flexible, so be particularly suitable for the blank heating under the short run order situation, where necessary, car-bottom furnace also can be used for the thermal treatment of special heavy plate.In existing mill, car bottom furnace only can mainly from the workshop roll the operation of carrying out upper and lower material in striding usually, and the fire door of car bottom furnace is one; When needs heating blank, this need just to require the blank of shove charge must stride from the slab storehouse between in be transported to main roll stride in, in main rolling district, feed then and the operation of discharging.Concrete operations: blank to be heated is striden flatcar by being arranged on the mistake of two districts in slab storehouse and rolling district between striding earlier, be transported in the main rolling district from the slab reservoir area, use crane in the main rolling district and clamp with Billet trolley to the chassis of car bottom furnace, chassis is sent blank in the car bottom furnace to and is heated, behind to be heated the finishing, blank is still from former fire door discharging, and then uses crane in the main rolling district and clamp that Billet trolley is delivered to milling train to main rolling line roller-way to be rolled production.In actual production, satisfy the use of existing car bottom furnace, blank must by handling to main roll stride between in feed, this just needs to consider all multifactor, as: the mistake of transporting blank to be heated stride that flatcar uses, the location arrangements of car bottom furnace in mill, need be through the blank logistics route of car bottom furnace heating, car bottom furnace and miscellaneous equipment are arranged in the relevant range relation, production efficiency and economy and society benefit etc. in addition.
Therefore, existence for above-mentioned reasons, its weak point is: the car bottom furnace fire door is only in a side setting, then car bottom furnace only can be feeded in main rolling district and the operation of discharging, and blank to be heated must be striden flatcar by connecting the mistake of heating zone between striding with two districts, rolling district, is striden from the slab reservoir area to transport to and leads in the rolling district, workshop logistics more complicated so not only, the use of car bottom furnace is subjected to bigger restriction, has a strong impact on Workshop Production efficient, and crosses and to stride flatcar and also take up an area of more.
The utility model content
Technical problem to be solved in the utility model provides a kind of car bottom furnace that can be used in slab heating, and this car bottom furnace can make blank transport in that mill is smooth and easy, and simple to operate, the production efficiency height is suitable for practicality more.
A kind of car bottom furnace that is used for the slab heating of the utility model comprises body of heater and trolley track.Wherein: the body of heater both sides are relatively set with charging bole and discharge port; Trolley track passes through body of heater by charging bole and lays, and stretches out from discharge port, and its two ends extend to the slab reservoir area respectively and roll the district with main, and it is mobile trolley used that blank is installed on the trolley track.
A kind of car bottom furnace that is used for the slab heating of the utility model, wherein: charging bole and discharge port are provided with fire door, and this fire door is connected with the fire door hoisting appliance of its lifting of control.
The utility model is a kind of to be used for the car bottom furnace of slab heating, wherein: charging bole be connected between slab is striden, discharge port is connected between striding with leading to roll.
The car bottom furnace that is used for the slab heating described in the utility model has the following advantages and effect:
1. owing to be provided with special-purpose charging bole and discharge port respectively on the body of heater of car bottom furnace, blank to be heated is feeded through charging bole, and the blank after the heating is through discharge hole for discharge; So car bottom furnace can either be arranged between slab reservoir area and main district of rolling the district stride, so that blank to be heated can after the car bottom furnace heating, directly carry out the blanking operation main rolling directly from slab reservoir area material loading in the district; Again can be according to practical situation, will the car bottom furnace outlet be arranged in the main rolling district, in main rolling district, carry out separately charging or blanking operation, thereby when having avoided that car bottom furnace is one-sided to open the door, must use the flatcar that collapses to transport blank to be heated collapses to main rolling, only can be from the main drawback of striding interior material loading, blanking of rolling, not only saved and crossed the flatcar floor space that collapses, reduced the mill cost of investment, and charging, discharging flexible and convenient operation, saved valuable human capital, production efficiency also is improved.
2. the charging bole owing to car bottom furnace is set to be connected mutually with the slab reservoir area, the discharge port of car bottom furnace is set to roll the district with the master and is connected mutually, so when needs heating blank, blank can be from the direct handling in slab storehouse to charging bole, pack into and heat in the car bottom furnace, and again can be after the blank heating from the direct discharging of car bottom furnace discharge port, be transported to and deliver to milling train on the main rolling line roller-way and be rolled production, thereby not only reduced the blank intermediate links, and made the setting of car bottom furnace can adapt to the requirement of blank logistic production line better.Compare with used usually one-sided the opening the door of car bottom furnace, saved the link of crossing the flatcar carrying blank that collapses, having overcome one-sided loading and unloading influences the problem of car bottom furnace rhythm of production, make that the logistics circuit of blank is more smooth and easy, car bottom furnace is not only as the some of workshop logistics, and has been taken into account on the logistics of the workshop smoothly line of slab heating.
In a word, the car bottom furnace that the utility model is used for the slab heating makes that the car bottom furnace location arrangements of slab mill is more flexible with use, has reduced all swivel links in centre of blank, makes that the logistics circuit is better, has improved production efficiency.
Description of drawings
Fig. 1 is the car bottom furnace structural representation that the utility model is used for the slab heating;
Fig. 2 is Fig. 1 left view;
Fig. 3 is the car bottom furnace workshop scheme of installation that the utility model is used for the slab heating.
Wherein: 1 charging bole, 2 bodies of heater, 3 discharge ports, 4 trolley tracks, 5 is mobile trolley used, 6 fire door hoisting appliances, 7 main rolling line roller-ways, 8 slab storehouses.
Embodiment
Below in conjunction with accompanying drawing the car bottom furnace embodiment that the utility model is used for the slab heating is described further.
By illustrated in figures 1 and 2, the utility model is used for the car bottom furnace of slab heating, comprises body of heater 2 and trolley track 4.Wherein: body of heater 2 both sides are relatively set with charging bole 1 and discharge port 3, be provided with fire door at charging bole 1 and discharge port 3, the outer side of this fire door is provided with its fire door hoisting appliance 6 respectively, fire door hoisting appliance 6 can be according to the practical situation of charging with discharging, the liter of control charging fire door and discharging fire door or fall respectively, that is: open or close charging bole and discharge port, fire door hoisting appliance 6 can be designed as counter weight type roller shutter type or electrodynamictype roller shutter type; Trolley track 4 passes through body of heater 2 by charging bole 1 and lays, and stretch out from discharge port 3, and its trolley track 4 two ends extends to the slab reservoir area respectively and the master rolls the district, and blank mobile trolley used 5 is installed on trolley track 4.
When needs heating blank, blank can be feeded through charging bole 1, and after the blank heating, blank can be through discharge port 3 dischargings, and charging bole 1 is provided with separately from each other with discharge port 3 and is engaged togather mutually each other by trolley track 4 again.Like this, according to the mill practical situation, car bottom furnace of the present utility model can be arranged between slab reservoir area and main district of rolling the district stride, the charging bole 1 of car bottom furnace connects the slab reservoir area, the discharge port 3 of car bottom furnace connects main rolling district, so that blank to be heated can after the car bottom furnace heating, directly carry out the blanking operation main rolling directly from slab reservoir area material loading in the district; Thereby the flatcar that no longer needed to collapse transports blank to be heated, has saved the flatcar floor space that collapses, and has reduced the workshop cost of investment, also makes loading operation, discharging flexible and convenient operation, has reduced the blank intermediate links, as shown in Figure 3.
For example: for the steel ingot of nominal weight 30t, 40t, 50t and 60t, specification is: [1800 (wide) * 850 (thick)/1750 (wide) * 795 (thick)] * 2900 (length)～[2700 (wide) * 1000 (thick)/2630 (wide) * 900 (thick)] * 3300 (length) mm, be about 10 hours its required heat-up time～15 hours, make 1200 ℃ ± 30 ℃ of stove Nei Wenduda.Particularly: to thickness is the 30t individual layer steel ingot of 750mm when heating, and need about 10 hours heat-up time approximately, and temperature is set at 1100 ℃ in the stove; To thickness is the 60t individual layer steel ingot of 1000mm when heating, and need about 15 hours heat-up time approximately, and temperature is set at 1200 ℃ in the stove.Again for example: for the needs heat-treated steel plate, specification is: 150～400 (thick) * 900～4800 (wide) * 9000 (length), its normalizing temperature are generally at 780-1000 ℃, and temperature fluctuation range is about 10 hours～15 hours at ± 30 ℃ required heat-up time.
In conjunction with the accompanying drawings embodiment of the present utility model has been done detailed description above, but the utility model is not limited to the foregoing description, in the ken that those of ordinary skills possessed, can also under the prerequisite that does not break away from the utility model aim, make various variations.For example, car bottom furnace of the present utility model removes and can be arranged in the slab reservoir area and to lead between the district of rolling the district strides, also car bottom furnace still can be arranged in the main rolling district, only need this moment the charging bole 1 of car bottom furnace towards the slab reservoir area, the discharge port 3 of car bottom furnace gets final product towards main rolling district, carries out separately charging or blanking operation in main rolling district.Which kind of arrangement form of above-mentioned car bottom furnace no matter, the flatcar that all can no longer need to collapse transports blank to be heated, has reduced the cost of investment of mill.
During work, earlier with the blank in the slab storehouse by crane and clamp handling to blank mobile trolley used on, the mobile trolley used delivery blank of blank is delivered to the charging bole of car bottom furnace, operation fire door hoisting appliance is opened the charging fire door, blank enters car bottom furnace, operation fire door hoisting appliance is closed the charging fire door, and car bottom furnace heats blank; After the heating, operation fire door hoisting appliance is opened the discharging fire door, and blank is from the discharge hole for discharge of car bottom furnace, move to blank mobile trolley used on, hang Billet trolley to main rolling line roller-way by crane and clamp again, deliver to milling train and be rolled production, operate the fire door hoisting appliance simultaneously and close the discharging fire door.
Claims (3)
1. one kind is used for the car bottom furnace that slab heats, comprise body of heater (2) and trolley track (4), it is characterized in that: described body of heater (2) both sides are relatively set with charging bole (1) and discharge port (3), described trolley track (4) passes through body of heater (2) by charging bole (1) and lays, stretch out from discharge port (3), its two ends extend to the slab reservoir area respectively and roll the district with main, and blank mobile trolley used (5) is installed on the trolley track (4).
2. the car bottom furnace that is used for the slab heating according to claim 1, it is characterized in that: described charging bole (1) and discharge port (3) are provided with fire door, and this fire door is connected with the fire door hoisting appliance (6) of its lifting of control.
3. the car bottom furnace that is used for slab heating according to claim 1 and 2 is characterized in that: described charging bole (1) be connected between slab is striden, described discharge port (3) is connected between striding with leading to roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201462002U CN201400705Y (en) | 2009-03-30 | 2009-03-30 | Car bottom furnace used for heating plate blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201462002U CN201400705Y (en) | 2009-03-30 | 2009-03-30 | Car bottom furnace used for heating plate blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201400705Y true CN201400705Y (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201462002U Expired - Lifetime CN201400705Y (en) | 2009-03-30 | 2009-03-30 | Car bottom furnace used for heating plate blank |
Country Status (1)
| Country | Link |
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| CN (1) | CN201400705Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004894A (en) * | 2014-05-20 | 2014-08-27 | 江苏华德工业炉有限公司 | High-efficiency trolley heat treatment furnace |
| CN104805384A (en) * | 2015-05-09 | 2015-07-29 | 中山市意利克机械设备有限公司 | Continuous aluminum material heating furnace |
| CN108398029A (en) * | 2018-05-02 | 2018-08-14 | 上海轩鼎冶金科技有限公司 | A kind of Industrial Stoves |
| CN111604655A (en) * | 2020-06-04 | 2020-09-01 | 无锡齐高科技有限公司 | Automobile lampshade mould processing technology and heat treatment equipment used for technology |
-
2009
- 2009-03-30 CN CN2009201462002U patent/CN201400705Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004894A (en) * | 2014-05-20 | 2014-08-27 | 江苏华德工业炉有限公司 | High-efficiency trolley heat treatment furnace |
| CN104805384A (en) * | 2015-05-09 | 2015-07-29 | 中山市意利克机械设备有限公司 | Continuous aluminum material heating furnace |
| CN108398029A (en) * | 2018-05-02 | 2018-08-14 | 上海轩鼎冶金科技有限公司 | A kind of Industrial Stoves |
| CN111604655A (en) * | 2020-06-04 | 2020-09-01 | 无锡齐高科技有限公司 | Automobile lampshade mould processing technology and heat treatment equipment used for technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100210 Effective date of abandoning: 20090330 |