CN205316963U - Perpendicular heat transfer formula alloy baking furnace system - Google Patents
Perpendicular heat transfer formula alloy baking furnace system Download PDFInfo
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- CN205316963U CN205316963U CN201620091227.6U CN201620091227U CN205316963U CN 205316963 U CN205316963 U CN 205316963U CN 201620091227 U CN201620091227 U CN 201620091227U CN 205316963 U CN205316963 U CN 205316963U
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- roaster
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- alloy baking
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Abstract
The utility model discloses a perpendicular heat transfer formula alloy baking furnace system, including bake out furnace, hopper and flatcar, there are two tracks at the inside parallel arrangement of bake out furnace, install the several nozzle on the furnace roof of bake out furnace, the below of bake out furnace is provided with the wind channel of having a perfect understanding mutually with the bake out furnace, and parallel arrangement has the induced duct in the wind channel, is provided with the several air outlet on the flatcar, and the air outlet feeds through with the induced duct each other. The utility model discloses not only by a wide margin the improvement efficiency of heat transfer, the alloy temperature after toasting is even, the effect of toasting is showing, the whole consumption that toasts short, gas of the time that the in -process toasted and electric energy is little moreover, operation with low costs has that the investment is low, technology is reasonable, easy to operate's characteristics, solution that can be fine instantly many iron and steel enterprises realize the difficult problem of alloy baking technology with low costs, high -efficient indisputable producing better economic benefits, easily use widely.
Description
Technical field
The utility model belongs to converter steelmaking equipment technical field, is specifically related to a kind of vertical heat exchange type alloy baking furnace system.
Background technology
Alloy is the important source material of steel-making, moisture content in alloy directly affects steel quality and tapping temperature, for this reason, alloy material need toast after just from using, alloy baking one side effect be to remove moisture, minimizing steel grade water hydrogen richness, the cooling adding molten steel in molten steel process can be reduced on the other hand, avoid increasing energy consumption, so, alloy baking technique obtains very general application in the smelting process of steel. now, alloy baking is all adopted alloy baking stove by most of steel-making enterprise, the principle of work of alloy baking stove is, production status according to reality, producing the high-temperature gas mixture body of certain temperature, certain output in combustion chamber, this gas, by transfer passage, is sent in alloy baking stove, high-temperature gas carries out sufficient heat exchange with alloy raw material in alloy baking stove, thus realizes the object of alloy heating. at present, the structure formation that alloy baking furnace system is conventional is, the side of roaster is provided with multiple burner, the top of roaster is provided with smoke stack emission mouth, when needing to be toasted by alloy raw material, first alloy raw material is put into hopper, by flatcar, the hopper that alloy raw material is housed is sent in roaster, then utilize gas blower to lead to into high-temperature gas in the burner of roaster side, utilize the high temperature gas flow of both sides to be heated by alloy. above-mentioned alloy baking furnace system finds in the use procedure of reality, owing to high-temperature gas is that the both sides from burner hearth enter in stove and heat, the air-flow of both sides is relied on to be heated by alloy raw material, when the density of alloy raw material is bigger, high temperature gas flow is by the suppression of alloy raw material, can not completely or cannot alloy is heated, alloy raw material and high-temperature gas is made can not normally to carry out heat exchange, high-temperature flue gas cannot flow, temperature distributing disproportionation is even, the efficiency of heat exchange is low, the effect of baking is undesirable, and in order to reach the storing temperature of alloy, need to lead to into a large amount of high-temperature gases, virtually just cause a large amount of combustion gas, the waste of electric energy etc., in technique and all there is certain irrationality economically. therefore, develop the grasp reasonable, simple to operate, easy of a kind of compact construction, energy consumption is low, running cost is low, reliable, heat exchange efficiency height, cured effect are good, heat insulation effect is remarkable, baking is abundant, uniform vertical heat exchange type alloy baking furnace system is desirability.
Summary of the invention
The purpose of this utility model is to provide a kind of compact construction grasp reasonable, simple to operate, easy, energy consumption is low, running cost is low, reliable, heat exchange efficiency height, cured effect are good, heat insulation effect is remarkable, baking is abundant, uniform vertical heat exchange type alloy baking furnace system.
The purpose of this utility model realizes like this, comprise roaster, hopper and flatcar, roaster comprises the furnace wall of furnace roof and surrounding, wherein the furnace wall of side is provided with lifting furnace door, furnace roof is provided with several burners, interior parallel at roaster is provided with two tracks, flatcar is placed in orbit, flatcar can move back and forth along track under the effect of driving mechanism, the lower section of roaster is provided with the air channel connected with roaster, be arranged in parallel in air channel induced exhaust, one end of induced exhaust is provided with induced draft fan, the top of induced exhaust is provided with the inlet mouth of several taper structures, flatcar is provided with and several corresponding with burner quantity goes out air port, the shape going out air port is funnel-form, the big end of the little end and inlet mouth that go out air port is connected and the end diameter that goes out air port is greater than the big end diameter of inlet mouth.
The utility model is by going out air port and the reasonable Arrangement to burner, the high-temperature gas after heating is allowed to enter from top, strengthen the convection of air in stove, accelerate the velocity of flow of high-temperature gas, make the flowing of high-temperature gas smooth and easy, penetration power is strong, alloy raw material can be carried out comprehensive heating completely, allow the temperature of alloy baking more fully with evenly, simultaneously whole bake process adopts the roasting mode of vertical heat exchange, not only significantly improve the efficiency of heat exchange, alloy temperature after baking is even, ensure that alloy evenly dewaters, alloy is without fusing and ties the phenomenon sticked together, the effect of baking is remarkable, and the time toasted in whole bake process is short, the consumption of combustion gas and electric energy is little, the cost run is low, it is low that the utility model has investment, rational technology, the easily feature of operation, can solve instantly that many iron and steel enterprises implementation cost is low, a difficult problem for efficient iron alloy baking process, unrivaled advantage is had compared with the bakeout oven for ferro-alloy means of production of routine, reach investment, cured effect is remarkable, high insulating effect, use safety, energy consumption is low, the multiple actions such as stable and reliable operation, good economic benefit can be produced, it is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the side-view of Fig. 1;
Fig. 3 is the structural representation of driving mechanism;
In figure: 1-air channel, 2-induced draft fan, 3-roaster, 4-hopper, 5-postive stop baffle, 6-burner, 7-lifting furnace door, 8-flatcar, 9-track, 10-drive sprocket, 11-goes out air port, 12-inlet mouth, 13-induced exhaust, the driven sprocket wheel of 14-, 15-settling pocket, 16-filtering net, 17-roller chain, 18-motor, 19-shaft coupling, 20-step-down gear.
Embodiment
Being further described by the utility model below in conjunction with accompanying drawing, but limited by the utility model never in any form, any change done based on the utility model instruction or improvement, all belong to protection domain of the present utility model.
As shown in Figures 1 to 3, the utility model comprises roaster 3, hopper 4 and flatcar 8, roaster 3 comprises the furnace wall of furnace roof and surrounding, wherein the furnace wall of side is provided with lifting furnace door 7, furnace roof is provided with several burners 6, interior parallel at roaster 3 is provided with two tracks 9, flatcar 8 is placed on track 9, flatcar 8 can move back and forth along track 9 under the effect of driving mechanism, the lower section of roaster 3 is provided with the air channel 1 connected with roaster 3, be arranged in parallel in air channel 1 induced exhaust 13, one end of induced exhaust 13 is provided with induced draft fan 2, the top of induced exhaust 13 is provided with the inlet mouth 12 of several taper structures, flatcar 8 is provided with and several corresponding with burner 6 quantity goes out air port 11, the shape going out air port 11 is funnel-form, the big end of the little end and inlet mouth 12 that go out air port 11 is connected and the end diameter that goes out air port 11 is greater than the big end diameter of inlet mouth 12.
Further, described driving mechanism comprises motor 18, shaft coupling 19, step-down gear 20, drive sprocket 10, driven sprocket wheel 14 and roller chain 17, motor 18, shaft coupling 19, step-down gear 20 and drive sprocket 10 mounting arrangements are outside roaster 3, driven sprocket wheel 14 is arranged in roaster 3, the upper surface of the one ends wound of roller chain 17 on driven sprocket wheel 14 and with flatcar 8 is articulated and connected, and the other end of roller chain 17 is wrapped on drive sprocket 10 and upper surface with flatcar 8 is articulated and connected. This driving mechanism is when ensureing that flatcar operates steadily, moreover it is possible to withstand the hot environment in stove, and the life-span not only used is long, and the later stage easy to maintenance, the cost of overhaul is low.
Further, the bottom of described induced exhaust 13 sets out gas port, the end of air outlet is provided with settling pocket 15, it has been after avoiding alloy and heated air to carry out heat exchange, cold air after heat exchange has dust unavoidably, powder carry secretly, the object arranging settling pocket 15 is carried secretly to collect, reclaim the dust in cold air and powder.
Further, described inlet mouth 12 is provided with the filtering net 16 automatically controlling air quantity, is to prevent hopper in the process of delivery heat transfer, prevents alloy raw material from dropping in induced exhaust, cause unnecessary cleaning burden.
Further, hopper 4 both sides above described flatcar 8 are provided with postive stop baffle 5, are not easily offset, leak the phenomenon of material, to ensure that equipment is stablized, run reliably in order to ensure in the process that hopper carry at flatcar 8.
Preferably, described furnace roof is arranged with in parallel two row's burners 6, the quantity often arranging burner 6 is 4～8, described flatcar 8 is provided with two discharge air ports 11, the quantity often discharging air port 11 is 4～8, often discharges and is communicated with 1 induced exhaust 13 bottom air port 11, and this kind arranges the effect that ensure that baking of effect on the one hand, on the other hand the structure of roaster 3 is compacter, it may also be useful to get up also to compare aspect, effectively.
Further, in order to realize good heat insulation effect, furnace wall and the furnace roof of described roaster 3 are disposed with extexine, thermal insulation layer and thermofin from outside to inside, preferably, described extexine is that the general steel plate that 5～8mm is thick becomes with large-scale joist steel frame welding, described thermal insulation layer is the fibrefelt that 200～300mm is thick, and described thermofin is refractory brick.
Working process of the present utility model is: first by alloy raw material is housed hopper 4 handling on flatcar 8, then lifting furnace door 7 unclamps in the compression mechanism on lifting furnace door 7, hoisting appliance on lifting furnace door 7 drives lifting furnace door 7 to rise, now, motor 18 in driving mechanism rotates forward, step-down gear 20 is driven to rotate, thus roller chain 17 is under the effect of drive sprocket 10 and driven sprocket wheel 14, along track 9, flatcar 8 is sent in roaster 3 with flatcar 8, then the hoisting appliance of lifting furnace door 7 drives lifting furnace door 7 to drop to lower position, lifting furnace door 7 is being compressed by the compression mechanism of lifting furnace door 7, high-temperature gas after finally heating vertically enters in roaster 3 from each burner 6 property furnace roof furnace roof, owing to the lower section of flatcar 8 is provided with out air port 11, strengthen the speed of furnace air convection current, the high-temperature gas entering in stove will be flowed by continuous print from top to bottom, the speed of flowing is fast, the ability penetrated is strong, the alloy raw material in hopper 4 can be allowed completely to obtain comprehensive heating, ensure that the heat exchange of alloy and high-temperature gas is even, cold air after heat exchange then enters in induced exhaust 13 by the air port 11 that goes out below flatcar 8 from inlet mouth 12, enter the cold air in induced exhaust 13 then to discharge from vapor pipe under the effect of induced draft fan 2, and the dust carried secretly in cold air, impurity then enters in settling pocket 15 by air outlet, when the alloy raw material in roaster 3 is heated to temperature required, stop leading to into high-temperature gas in burner 6, the compression mechanism on lifting furnace door 7 is allowed to unclamp lifting furnace door 7, hoisting appliance on lifting furnace door 7 drives lifting furnace door 7 to rise, now, motor 18 rotates forward, step-down gear 20 is driven to rotate, thus roller chain 17 is under the effect of drive sprocket 10 and driven sprocket wheel 14, along track 9, flatcar 8 is released roaster with flatcar 8, take the hopper 4 on flatcar 8 away, again the hopper 4 that alloy raw material is housed is put on flatcar 8, the baking work that next is taken turns can be carried out.This baking system not only change the effective of baking and also time of toasting short, the efficiency height of baking. Can also save energy and reduce the cost, cost-saving, good economic benefit can be produced, it is the first-selected baking system of steel-making enterprise.
Claims (8)
1. a vertical heat exchange type alloy baking furnace system, comprise roaster (3), hopper (4) and flatcar (8), it is characterized in that: described roaster (3) comprises the furnace wall of furnace roof and surrounding, the furnace wall of side is wherein provided with lifting furnace door (7), furnace roof is provided with several burners (6), interior parallel at roaster (3) is provided with two tracks (9), flatcar (8) is placed on track (9), flatcar (8) can move back and forth along track (9) under the effect of driving mechanism, the lower section of roaster (3) is provided with the air channel (1) connected with roaster (3), be arranged in parallel in air channel (1) induced exhaust (13), one end of induced exhaust (13) is provided with induced draft fan (2), the top of induced exhaust (13) is provided with the inlet mouth (12) of several taper structures, flatcar (8) is provided with and several corresponding with burner (6) quantity goes out air port (11), the shape going out air port (11) is funnel-form, the big end of the little end and inlet mouth (12) that go out air port (11) is connected and the end diameter that goes out air port (11) is greater than the big end diameter of inlet mouth (12).
2. the vertical heat exchange type alloy baking furnace system of one according to claim 1, it is characterized in that: described driving mechanism comprises motor (18), shaft coupling (19), step-down gear (20), drive sprocket (10), driven sprocket wheel (14) and roller chain (17), motor (18), shaft coupling (19), step-down gear (20) and drive sprocket (10) mounting arrangements are at roaster (3) outward, driven sprocket wheel (14) is arranged in roaster (3), the one ends wound of roller chain (17) is upper at driven sprocket wheel (14) and upper surface with flatcar (8) is articulated and connected, the other end of roller chain (17) is wrapped in that drive sprocket (10) is upper and upper surface with flatcar (8) is articulated and connected.
3. the vertical heat exchange type alloy baking furnace system of one according to claim 1, it is characterised in that: the bottom of described induced exhaust (13) sets out gas port, and the end of air outlet is provided with settling pocket (15).
4. the vertical heat exchange type alloy baking furnace system of one according to claim 1, it is characterised in that: described inlet mouth (12) is provided with the filtering net (16) automatically controlling air quantity.
5. the vertical heat exchange type alloy baking furnace system of one according to claim 1, it is characterised in that: hopper (4) both sides of described flatcar (8) top are provided with postive stop baffle (5).
6. the vertical heat exchange type alloy baking furnace system of one according to claim 1, it is characterized in that: described furnace roof is arranged with in parallel two row's burners (6), the quantity often arranging burner (6) is 4～8, described flatcar (8) is provided with two discharge air ports (11), the quantity often discharging air port (11) is 4～8, often discharges bottom, air port (11) and is communicated with 1 induced exhaust (13).
7. the vertical heat exchange type alloy baking furnace system of one according to claim 1, it is characterised in that: furnace wall and the furnace roof of described roaster (3) are disposed with extexine, thermal insulation layer and thermofin from outside to inside.
8. the vertical heat exchange type alloy baking furnace system of one according to claim 7, it is characterized in that: described extexine is that the general steel plate that 5～8mm is thick becomes with large-scale joist steel frame welding, described thermal insulation layer is the fibrefelt that 200～300mm is thick, and described thermofin is refractory brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620091227.6U CN205316963U (en) | 2016-01-29 | 2016-01-29 | Perpendicular heat transfer formula alloy baking furnace system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620091227.6U CN205316963U (en) | 2016-01-29 | 2016-01-29 | Perpendicular heat transfer formula alloy baking furnace system |
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| CN205316963U true CN205316963U (en) | 2016-06-15 |
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| CN201620091227.6U Active CN205316963U (en) | 2016-01-29 | 2016-01-29 | Perpendicular heat transfer formula alloy baking furnace system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466212A (en) * | 2016-01-29 | 2016-04-06 | 云南天高镍业有限公司 | Vertical heat exchange type alloy baking oven system |
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2016
- 2016-01-29 CN CN201620091227.6U patent/CN205316963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466212A (en) * | 2016-01-29 | 2016-04-06 | 云南天高镍业有限公司 | Vertical heat exchange type alloy baking oven system |
| CN105466212B (en) * | 2016-01-29 | 2018-02-23 | 云南天高镍业有限公司 | A kind of vertical heat exchange type alloy baking furnace system |
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