CN207180383U - A kind of portable scrap heating stove - Google Patents
A kind of portable scrap heating stove Download PDFInfo
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- CN207180383U CN207180383U CN201720887328.9U CN201720887328U CN207180383U CN 207180383 U CN207180383 U CN 207180383U CN 201720887328 U CN201720887328 U CN 201720887328U CN 207180383 U CN207180383 U CN 207180383U
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- furnace body
- heat
- accumulating burner
- heating stove
- heating
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Abstract
It the utility model is related to a kind of portable scrap heating stove, heating furnace includes heating furnace body, first heat-accumulating burner, second heat-accumulating burner, reversal valve, feeder and fume extractor, heating furnace body includes upper furnace body and lower furnace body, the lower end of upper furnace body connects with one end of lower furnace body, the upper end of upper furnace body is provided with charge door, first heat-accumulating burner is removably mounted on charge door, the other end of lower furnace body is provided with discharging opening, second heat-accumulating burner is removably mounted on discharging opening, first heat-accumulating burner, second heat-accumulating burner, upper furnace body and lower furnace body collectively form the cavity of a closing, first heat-accumulating burner and the second heat-accumulating burner are connected with reversal valve respectively by pipeline, feeder and fume extractor are connected with reversal valve respectively by pipeline.Portable scrap heating stove of the present utility model has the advantages of steel scrap programming rate is fast, smelting operating efficiency is high, environmental pollution is small and smelts high efficiency.
Description
Technical field
It the utility model is related to iron and steel smelting technology field, and in particular to a kind of portable scrap heating stove.
Background technology
In metallurgical industry, the source of steelmaking feed mainly has two：Molten iron and steel scrap, steel scrap are the production-goods again of recovery
Source, therefore there is the low advantage of cost relative to molten iron.Steel mill should be multi-purpose useless with molten iron less as far as possible in smelting
Steel, not only improves protection resource, is advantageous to save the sustainable development of the energy, the resource that reduces environmental pollution, promotes again.
At present in converter smelting process, the ratio of steel scrap is typically in 10-15%, and with social production, steel scrap amount is not
Disconnected accumulation, require to add a high proportion of steel scrap in the case that steel scrap has the low advantage of cost compared with molten iron, in convertor steelmaking process, favorably
In reducing smelting cost, but in converter steelmaking process, molten iron is reduced, is increased after steel scrap ratio because heat caused by converter has
Limit, it is difficult to the rapid steel scrap melted in converter, cause programming rate in stove early stage slow, steel scrap is difficult to melt rapidly in converter,
Not only operating rate had been influenceed but also steel technology can be influenceed.
Utility model content
The purpose of this utility model is to provide a kind of portable scrap heating stove, to solve existing steel smelting technology
In have that steel scrap programming rate is slow, it is low to smelt operating efficiency and smelts the problem of benefit is low.
To achieve the above object, the utility model provides a kind of portable scrap heating stove, the portable scrap heating
Stove includes heating furnace body, the first heat-accumulating burner, the second heat-accumulating burner, reversal valve, feeder and fume extractor, the heating
Furnace body includes upper furnace body and lower furnace body, and the lower end of the upper furnace body connects with one end of the lower furnace body, the upper furnace body
Upper end is provided with charge door, and first heat-accumulating burner is removably mounted on the charge door, the other end of the lower furnace body
Discharging opening is provided with, second heat-accumulating burner is removably mounted on the discharging opening, and the first heat-accumulating burner, the second accumulation of heat are burnt
Mouth, upper furnace body and lower furnace body collectively form the cavity of a closing, and first heat-accumulating burner and the second heat-accumulating burner pass through pipe
Line is connected with reversal valve respectively, and the feeder and fume extractor are connected with reversal valve respectively by pipeline, the supply dress
Put for delivery of fuel gas and the mixed gas of air into the heating furnace body, the fume extractor will be for that will heat furnace body
Interior waste gas discharge heating furnace body.
Preferably, the bottom plate of the side plate of the upper furnace body and lower furnace body is in an angle.
Preferably, the scope of the angle is 0-120 °.
Preferably, the portable scrap heating stove also includes temperature measuring set, and the temperature measuring set is arranged on described
On lower furnace body, the temperature measuring set is used to measure the temperature in heating furnace body burner hearth.
Preferably, temperature elevating range of the steel scrap in the heating furnace body is 600-1200 DEG C.
Preferably, the upper furnace body and lower furnace body are integrally formed.
Preferably, it is mounted on heat storage in first heat-accumulating burner and the second heat-accumulating burner.
Preferably, the material of the heat storage is fine and close cordierite, fine and close mullite, aluminum or corundum-mullite.
The utility model has the following advantages that：The charge door that portable scrap heating stove of the present utility model passes through upper furnace body
Steel scrap is added, by the first heat-accumulating burner and the second heat-accumulating burner to the combustion gas after heating furnace body injection heating and air to useless
Steel is heated, after scrap heating to preset temperature, the steel scrap that is added by the discharging opening of lower furnace body into converter after heating
Smelted.Portable scrap heating stove of the present utility model has fast steel scrap programming rate, smelting operating efficiency height, environment dirty
The advantages of contaminating small and smelting high efficiency.
Brief description of the drawings
Fig. 1 is the side elevational cross-section structural representation of portable scrap heating stove in the utility model embodiment 1.
Fig. 2 is the side elevational cross-section structural representation of portable scrap heating stove in the utility model embodiment 2.
Fig. 3 is the structural representation after the partial enlargement in Fig. 2 at the second heat-accumulating burner A.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to the scope of the utility model.
Embodiment 1
As shown in figure 1, portable scrap heating stove includes heating furnace body 1, the first heat-accumulating burner 2, the second heat-accumulating burner
3rd, reversal valve 4, feeder 4 and fume extractor 5, heating furnace body 1 include upper furnace body 11 and lower furnace body 12, and upper furnace body 11 is with
Body of heater 12 is tubular structure, and lower furnace body 12 is horizontally disposed, and upper furnace body 11 is obliquely installed, the side plate and lower furnace body 12 of upper furnace body 11
Bottom plate be in an angle C, angle C scope is 0-120 °, optimal value is obtained with specific reference to experimental data, under upper furnace body 11
End is connected with one end of lower furnace body 12, and further, in order to easy to process, upper furnace body 11 and lower furnace body 12 can be used and be integrally formed
Manufactured, the upper end of upper furnace body 11 is provided with charge door 7, and the first heat-accumulating burner 2 is removably mounted on charge door 7, lower stove
The other end of body 12 is provided with discharging opening 8, and the second heat-accumulating burner 3 is removably mounted on discharging opening 8, the first heat-accumulating burner 2,
Two heat-accumulating burners 3, upper furnace body 11 and lower furnace body 12 collectively form the cavity of a closing, and cavity is used to accommodate steel scrap to be heated
10.Reversal valve 4 is also known as Chris's valve, is one kind of valve, has multidirectional adjustable passage, can change fluid flow direction in good time, change
It is existing product to valve 4, is no longer discussed in detail herein, reversal valve 4 respectively there is first interface, second to connect in the present embodiment
Mouthful, the 3rd interface and the 4th interface, the first heat-accumulating burner 2 and the second heat-accumulating burner 3 by pipeline respectively with reversal valve 4 first
Interface connects with second interface, feeder 4 and fume extractor 5 by pipeline respectively with the 3rd interface of reversal valve 4 and the 4th
Orifice, first interface and the 3rd interface or the 4th orifice can be made by adjustable change valve 4, second interface connects with the 3rd
Mouth or the 4th orifice, feeder 4 are to be stored with the fuel cartridge of combustion gas and be stored with the air accumulator of air, fuel cartridge and storage
Combustion gas and air in gas tank mix according to a certain percentage, and mixed mixed gas gives the first heat-accumulating burner by pipelined
2 or second heat-accumulating burner 3, combustion gas natural gas, coal gas of converter, blast furnace gas, coke-stove gas etc. can be used to be used as heat source gas, mix
Close gas burning to heat steel scrap 10, temperature elevating range of the steel scrap 10 in furnace body 1 is heated is 600-1200 DEG C, specific root
Optimal value is obtained according to experimental result, caused waste gas discharges heating furnace body 1, row by fume extractor 5 after mixed gas burning
Cigarette device 5 is blower fan or other devices.
Further, heat storage 13 is mounted in the first heat-accumulating burner 2 and the second heat-accumulating burner 3, contained in heat storage 13
There is substantial amounts of through hole, through hole is used to pass through gaseous mixture and waste gas, and when through hole passes through mixed gas, heat storage 13 utilizes
The heat of itself storage heats to mixed gas, when waste gas passes through through hole, because waste gas carries substantial amounts of heat, gives up
Substantial amounts of heat is absorbed and stored in heat storage 13 in gas.The material of heat storage 13 is fine and close cordierite, fine and close mullite
Matter, aluminum or corundum-mullite, by being respectively mounted heat storage 13, heat storage in the first heat-accumulating burner 2 and the second heat-accumulating burner 3
13, by absorbing and storing the used heat carried in waste gas, recycle these used heat to heat mixed gas, improve gaseous mixture
Initial temperature when body burns, makes mixed gas discharge more heats when burning, improves the efficiency of heating surface to steel scrap 10.
Embodiment 2
As shown in Figures 2 and 3, the present embodiment is, the present embodiment based on embodiment 1 with the difference of embodiment 1
In the heating furnace of portable steel scrap 10 except including heating furnace body 1, the first heat-accumulating burner 2, the second heat-accumulating burner 3, reversal valve
4th, feeder 4 and fume extractor 5, in addition to temperature measuring set 9, temperature measuring set 9 are arranged on lower furnace body 12, temperature survey
The temp probe of instrument 9 is fixedly mounted in the burner hearth of heating furnace body 1, and temperature measuring set 9 is used to measure the heating burner hearth of furnace body 1
Interior temperature, the temperature that operator can show according to temperature measuring set 9, the temperature in burner hearth is understood in time, and supplied by controlling
Device of air 4 adjusts the gas quantity of input, so as to which the temperature in burner hearth be adjusted.
Portable scrap heating stove operation principle：
1. in use, opening charge door 7, steel scrap 10 is added into upper furnace body 11 by charge door 7, under gravity
Steel scrap 10 can move downward and fill heating furnace body 1.
2. after the weight of steel scrap 10 in burner hearth reaches scheduled volume, control feeder 4 exports mixed gas, now first
Interface and the 4th orifice, second interface and the 3rd orifice, so that the first heat-accumulating burner 2 connects with fume extractor 5,
Second heat-accumulating burner 3 is connected with feeder 4, and the mixed gas of output is sprayed by the second heat-accumulating burner 3 into burner hearth, and is led to
Cross igniter and light mixed gas, mixed gas burning is heated to steel scrap 10, while fume extractor 5 is started working, row
Cigarette device 5 siphons away the waste gas in burner hearth by the first heat-accumulating burner 2, and when waste gas is by the first heat-accumulating burner 2, heat storage 13 is inhaled
The temperature of itself improves constantly after receiving and storing the used heat carried in waste gas.
3. after when one section of work, adjustable change valve 4, now, first interface and the 3rd orifice, second interface with
4th orifice, so that the first heat-accumulating burner 2 connects with feeder 4, the second heat-accumulating burner 3 connects with fume extractor 5
Logical, the mixed gas that feeder 4 provides is sprayed into burner hearth by the first heat-accumulating burner 2, and mixed gas is burnt by the first accumulation of heat
During the heat storage 13 of mouth 2, the heat that heat storage 13 stores heats to mixed gas, improves initial when mixed gas is burnt
Temperature, mixed gas is discharged more heats when burning, improve the efficiency of heating surface of steel scrap 10.When work a period of time after repeatedly
Adjustable change valve 4, the function of the first heat-accumulating burner 2 and the second heat-accumulating burner 3 is converted, until steel scrap 10 is heated into default temperature
Degree, feeder 4 and fume extractor 5 are stopped, the portable heating furnace of steel scrap 10 are transported at converter mouth by carrier loader,
And steel scrap 10 is poured onto in converter.
Portable scrap heating stove of the present utility model has the characteristics that：
1st, steel scrap heat content is high
Steel scrap increases to 600-1200 degrees Celsius by normal temperature, and steel scrap 10 per ton can improve more than heat 405MJ.
2nd, the heating-up time is shortened in stove
Converter smelting initial stage, during the steel scrap of identical ratio, such as 40% scrap ratio, in-furnace temperature passes through when rising to 1650 DEG C
The heating steel scrap of the present utility model of this law and improve smelt scrap ratio method can shorten second time 40-60.
3rd, improve and smelt scrap ratio
After the technology, scrap ratio can be improved to 60% in 60-180 ton converter smeltings, effectively reduce converter smelting
Cost, reduce energy consumption.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be modified or improved, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (8)
1. a kind of portable scrap heating stove, the portable scrap heating stove includes heating furnace body, the first heat-accumulating burner, the
Two heat-accumulating burners, reversal valve, feeder and fume extractor, it is characterised in that the heating furnace body includes upper furnace body with
Body of heater, the lower end of the upper furnace body connect with one end of the lower furnace body, and the upper end of the upper furnace body is provided with charge door, described
First heat-accumulating burner is removably mounted on the charge door, and the other end of the lower furnace body is provided with discharging opening, and described second
Heat-accumulating burner is removably mounted on the discharging opening, and the first heat-accumulating burner, the second heat-accumulating burner, upper furnace body and lower furnace body are common
The cavity of a closing is formed, first heat-accumulating burner and the second heat-accumulating burner are connected with reversal valve respectively by pipeline, institute
State feeder and fume extractor to connect with reversal valve respectively by pipeline, the feeder is used for the heating furnace body
The mixed gas of interior delivery of fuel gas and air, the fume extractor are used to the intrinsic waste gas of heating furnace discharging heating furnace sheet
Body.
2. portable scrap heating stove according to claim 1, it is characterised in that the side plate and lower furnace body of the upper furnace body
Bottom plate be in an angle.
3. portable scrap heating stove according to claim 2, it is characterised in that the scope of the angle is 0-120 °.
4. portable scrap heating stove according to claim 1, it is characterised in that the portable scrap heating stove also wraps
Temperature measuring set is included, the temperature measuring set is arranged on the lower furnace body, and the temperature measuring set is used to measure heating furnace sheet
Temperature in body burner hearth.
5. portable scrap heating stove according to claim 1, it is characterised in that steel scrap is in the heating furnace body
Temperature elevating range is 600-1200 DEG C.
6. portable scrap heating stove according to claim 1, it is characterised in that the upper furnace body and lower furnace body one into
Type.
7. portable scrap heating stove according to claim 1, it is characterised in that first heat-accumulating burner and second stores
Heat storage is mounted in hot burner.
8. portable scrap heating stove according to claim 7, it is characterised in that the material of the heat storage is fine and close violet
Green stone, fine and close mullite, aluminum or corundum-mullite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887328.9U CN207180383U (en) | 2017-07-20 | 2017-07-20 | A kind of portable scrap heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887328.9U CN207180383U (en) | 2017-07-20 | 2017-07-20 | A kind of portable scrap heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180383U true CN207180383U (en) | 2018-04-03 |
Family
ID=61736409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720887328.9U Expired - Fee Related CN207180383U (en) | 2017-07-20 | 2017-07-20 | A kind of portable scrap heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166967A (en) * | 2017-07-20 | 2017-09-15 | 安徽盛博冶金环保科技有限公司 | A kind of portable scrap heating stove |
-
2017
- 2017-07-20 CN CN201720887328.9U patent/CN207180383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166967A (en) * | 2017-07-20 | 2017-09-15 | 安徽盛博冶金环保科技有限公司 | A kind of portable scrap heating stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20180720 |