CN204514067U - A kind of slab recuperative heater - Google Patents
A kind of slab recuperative heater Download PDFInfo
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- CN204514067U CN204514067U CN201420711148.1U CN201420711148U CN204514067U CN 204514067 U CN204514067 U CN 204514067U CN 201420711148 U CN201420711148 U CN 201420711148U CN 204514067 U CN204514067 U CN 204514067U
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- heating furnace
- slab
- furnace body
- discharging pipe
- smoke discharging
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Abstract
The utility model relates to a kind of slab recuperative heater, it is characterized in that, described heating furnace comprises heating furnace body, described heating furnace body is arranged air smoke discharging pipe and coal gas smoke discharging pipe, furnace bottom step mechanical is provided with below described heating furnace body, described furnace bottom step mechanical is welded with active column, described Bottom of Heating Furnace is provided with vertical columns, described heating furnace body is provided with heating gas burner and lower heating gas burner.Relative to prior art, the beneficial effects of the utility model are as follows; 1) whole apparatus structure is simple, designs ingenious, easy to operate, energy-efficient; 2) this technical scheme drawback that can avoid selecting other type of furnaces to cause producer gas combustion thermal efficiency and reduce, do not need to transform heating furnace combustion system, control system, system of bf body, space gas pipe-line system etc. when switching blast furnace gas, investment cost reduces, save the transformation time, increase economic efficiency.
Description
Technical field
The utility model relates to a kind of heating furnace, relates in particular to a kind of slab recuperative heater, belongs to veneer heating apparatus technical field in steel manufacture process.
Background technology
Steel industry is the existing high speed development reaching the more than ten years at home, after 2008, whole steel industry is due to production capacity surplus, the adjustment of national industrial policies, and the reason such as the depression of World Economics, the adjustment period that industry entering, saving energy and reduce the cost, developing high-end kind is trend of the times.Recuperative heater is a kind of novel combustion technology that the nineties grows up in last century, its principle adopts regenerator waste-heat recovery device, alternately switch flue gas and air, make it to flow through heat storage, reach the sensible heat reclaiming high-temperature flue gas to the full extent, improve the effect of combustion air temperature.But traditional regenerator adopts checker brick to make heat storage, and heat transfer efficiency is low, and regenerator is bulky, and the commutation cycle is long, limit its application on other industrial furnaces.The producer gas later stage need be used to adopt the example of blast furnace gas for engineering construction mid-early stage, existing technology is difficult to realize, and therefore, a kind of new technical scheme of exigence solves the technical problem existed in prior art.
Summary of the invention
The utility model, just for the technical problem existed in prior art, provides a kind of compact conformation, detachable maintaining convenient, small volume, the slab recuperative heater that operating efficiency is high.
To achieve these goals, the technical solution of the utility model is as follows, a kind of slab recuperative heater, it is characterized in that, described heating furnace comprises heating furnace body, described heating furnace body is arranged air smoke discharging pipe and coal gas smoke discharging pipe, furnace bottom step mechanical is provided with below described heating furnace body, described furnace bottom step mechanical is welded with active column, described Bottom of Heating Furnace is provided with vertical columns, described heating furnace body is provided with heating gas burner and lower heating gas burner.
Improve as one of the present utility model, described heating furnace body side is provided with drum, and described drum is arranged on drum platform.
Improve as one of the present utility model, the diameter of described air smoke discharging pipe is Φ 2000mm.
Improve as one of the present utility model, the diameter of described coal gas smoke discharging pipe is Φ 2200mm.
Improve as one of the present utility model, described furnace bottom step mechanical comprises bracing or strutting arrangement, lifting frame and horizontal frame, and bracing or strutting arrangement is used for support level framework, and described lifting frame and horizontal frame are provided with centring means.Described horizontal frame is provided with the slab in water beam column and stove, slab moves along furnace superintendent direction do stepping in stove, and the reliability of whole plant running is high, and installation and debugging are convenient, are conducive to maintenance of equipment.
Improve as one of the present utility model, the control form of described upper heating gas burner and lower heating gas burner is upper and lower coal gas burner centralized Control.In this technical scheme, the size of upper and lower heating gas burner is 990mmX900mmX1300mm.Adopt this parameter casing, can make when burning blast furnace gas, burner exempt from transformation.
Relative to prior art, the beneficial effects of the utility model are as follows; 1) whole apparatus structure is simple, designs ingenious, easy to operate, energy-efficient; 2) this technical scheme drawback that can avoid selecting other type of furnaces to cause producer gas combustion thermal efficiency and reduce, do not need to transform heating furnace combustion system, control system, system of bf body, space gas pipe-line system etc. when switching blast furnace gas, investment cost reduces, save the transformation time, increase economic efficiency; 3) in this technical scheme, the temperature efficiency of heating furnace body can reach more than 85%, and heat recovery rate reaches more than 80%; 4) this technical scheme cost is lower, is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
In figure: 1, upper heating gas burner, 2, heating furnace body, 3, lower heating gas burner, 4, drum platform, 5, air smoke discharging pipe, 6, coal gas smoke discharging pipe, 7, furnace bottom step mechanical, 9, active column, 10, vertical columns, 11, bubble bag.
Detailed description of the invention
In order to deepen understanding of the present utility model and understanding, below in conjunction with the drawings and specific embodiments to the utility model further instruction and introduction.
embodiment 1:see Fig. 1, a kind of slab recuperative heater, described heating furnace comprises heating furnace body 2, described heating furnace body 2 is arranged air smoke discharging pipe 5 and coal gas smoke discharging pipe 6, described heating furnace body 2 is provided with furnace bottom step mechanical 7 below, described furnace bottom step mechanical is welded with active column 9, described Bottom of Heating Furnace is provided with vertical columns 10, described heating furnace body is provided with heating gas burner 1 and lower heating gas burner 3.
embodiment: 2:see Fig. 1, improve as one of the present utility model, described heating furnace body side is provided with drum 11, and described drum is arranged on drum platform 4.Heater for rolling steel adopts Vaporizing cooling to reduce energy consumption, improves heating quality.
embodiment 3:see Fig. 1, improve as one of the present utility model, the diameter of described air smoke discharging pipe is Φ 2000mm, and the diameter of described coal gas smoke discharging pipe is Φ 2200mm.Such design can make whole combustion system when ensureing heating furnace production capacity, can be applicable to producer, blast furnace two kinds of coal gas.
embodiment 4:see Fig. 1, improve as one of the present utility model, described furnace bottom step mechanical 7 comprises bracing or strutting arrangement, lifting frame and horizontal frame, and bracing or strutting arrangement is used for support level framework, and described lifting frame and horizontal frame are provided with centring means.Described horizontal frame is provided with the slab in water beam column and stove, slab moves along furnace superintendent direction do stepping in stove, and the reliability of whole plant running is high, and installation and debugging are convenient, are conducive to maintenance of equipment.The control form of described upper heating gas burner 1 and lower heating gas burner 3 is upper and lower coal gas burner centralized Control, and the size of upper and lower heating gas burner is 990mmX900mmX1300mm.Adopt this parameter casing, can make when burning blast furnace gas, burner exempt from transformation.
At least one in technical characteristic described in embodiment 2,3,4 and embodiment 1 can also be combined to form new embodiment by the utility model.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, the equivalents that the basis of technique scheme is made or the alternative scope all falling into the utility model claim and protect.
Claims (6)
1. a slab recuperative heater, it is characterized in that, described heating furnace comprises heating furnace body, described heating furnace body is arranged air smoke discharging pipe and coal gas smoke discharging pipe, furnace bottom step mechanical is provided with below described heating furnace body, described furnace bottom step mechanical is welded with active column, described Bottom of Heating Furnace is provided with vertical columns, described heating furnace body is provided with heating gas burner and lower heating gas burner.
2. slab recuperative heater according to claim 1, is characterized in that, described heating furnace body side is provided with drum.
3. slab recuperative heater according to claim 2, is characterized in that, the diameter of described air smoke discharging pipe is Φ 2000mm.
4. the slab recuperative heater according to Claims 2 or 3, is characterized in that, the diameter of described coal gas smoke discharging pipe is Φ 2200mm.
5. slab recuperative heater according to claim 4, it is characterized in that, described furnace bottom step mechanical comprises bracing or strutting arrangement, lifting frame and horizontal frame, and bracing or strutting arrangement is used for support level framework, and described lifting frame and horizontal frame are provided with centring means; Described horizontal frame is provided with the slab in water beam column and stove, slab moves along furnace superintendent direction do stepping in stove.
6. slab recuperative heater according to claim 5, is characterized in that, the centralized Control while that the control form of described upper heating gas burner and lower heating gas burner being upper and lower two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420711148.1U CN204514067U (en) | 2014-11-25 | 2014-11-25 | A kind of slab recuperative heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420711148.1U CN204514067U (en) | 2014-11-25 | 2014-11-25 | A kind of slab recuperative heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514067U true CN204514067U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420711148.1U Active CN204514067U (en) | 2014-11-25 | 2014-11-25 | A kind of slab recuperative heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514067U (en) |
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2014
- 2014-11-25 CN CN201420711148.1U patent/CN204514067U/en active Active
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