CN207850090U - A kind of symmetrical double furnace chambers scrap steel preheating melting appartus - Google Patents
A kind of symmetrical double furnace chambers scrap steel preheating melting appartus Download PDFInfo
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- CN207850090U CN207850090U CN201820143164.3U CN201820143164U CN207850090U CN 207850090 U CN207850090 U CN 207850090U CN 201820143164 U CN201820143164 U CN 201820143164U CN 207850090 U CN207850090 U CN 207850090U
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Abstract
The utility model discloses a kind of symmetrical double furnace chambers scrap steel preheating melting appartus, the device includes two steel scrap closed chambers, steel scrap closed chamber is equipped with burner, outlet flue, smoke outlet, tapping hole, outlet flue connects high-temperature flue, two steel scrap closed chamber high-temperature flues are connected by combustion chamber, and smoke outlet is connected by smoke discharging pipe with deduster, and smoke discharging pipe is equipped with flue gas stop valve, deduster is connected by air-introduced machine with smoke evacuation chimney, and tapping hole is equipped with the hired car that taps a blast furnace.The utility model overcomes the big problem of existing steel scrap processing mode power consumption, and neither electricity consumption can reduce smelting iron and steel cost again.
Description
Technical field
It is especially a kind of right the utility model is related to the preheating melt processed of steel scrap and steel scrap cycling and reutilization technical field
Claim double furnace chambers scrap steel preheating melting appartus.
Background technology
Steel scrap enters the production procedure of existing smelting iron and steel as resource, realizes that self-loopa utilizes, and not only mitigates steel life
Environmental protection pressure in production flow effectively promotes prouctiveness, and reduces the production cost of smelting iron and steel.Steel scrap is valuable source,
Steel scrap circulating technology is a very important project, and major part steel scrap is melted and recycled by electric furnace at present；Also there is one
It is allocated as recycling to realize in cooling material addition converter.
Preheating scrap and by steel scrap on-line heating fusing be blended into ladle (tank), converter is added with blast-melted
It is the most effective economical route realized steel scrap and recycled.Electric energy is high-grade energy and is easy to use, but studies carefully its power generation, passes
For defeated and conversion, gross efficiency is not high.
Invention content
Goal of the invention：The purpose of this utility model is for the big problem of existing steel scrap processing mode power consumption, and practicality is new
A kind of neither electricity consumption of type can reduce the symmetrical double furnace chambers scrap steel preheating melting appartus of smelting iron and steel cost again and steel scrap melts method.
To achieve the goals above, the utility model uses the following technical solution：
A kind of symmetrical double furnace chambers scrap steel preheating melting appartus, including steel scrap closed chamber one and steel scrap closed chamber two, steel scrap is close
Closed chamber one be equipped with burner one, outlet flue one, smoke outlet one, tapping hole one, steel scrap closed chamber two be equipped with burner two, outlet flue two,
Smoke outlet two, tapping hole two；
Outlet flue one connects high-temperature flue one, and outlet flue two connects high-temperature flue two, high-temperature flue one and high-temperature flue two
It is connected by combustion chamber, smoke outlet one is connected by smoke discharging pipe one with deduster, and smoke discharging pipe one is equipped with flue gas stop valve one,
Smoke outlet two is connected by smoke discharging pipe two with deduster, and smoke discharging pipe two is equipped with flue gas stop valve two, and deduster passes through air inducing
Machine is connected with smoke evacuation chimney, and tapping hole one and tapping hole two are respectively equipped with the hired car that taps a blast furnace.
Further, the combustion chamber includes combustion chamber one and combustion chamber two, and combustion chamber one and combustion chamber two are in cylinder
Shape, one top of combustion chamber and combustion chamber are equipped with connection flue between two tops, and combustor side face is equipped with igniter burner one and even
The smoke inlet of high-temperature flue one is connect, one smoke inlet of combustion chamber is arranged along one inner wall tangential direction of combustion chamber, two side of combustion chamber
Face is equipped with igniter burner two and connects the smoke inlet of high-temperature flue two, and two smoke inlet of combustion chamber is along two inner wall tangent line of combustion chamber
Direction is arranged, and one bottom of combustion chamber and one bottom of combustion chamber are equipped with ash output valve.
Further, the burner one is located on the closed chamber movement lid one at one top of steel scrap closed chamber, smoke outlet one
Positioned at steel scrap closed chamber one side top, outlet flue one is located at steel scrap closed chamber one side lower part, and it is close that tapping hole one is located at steel scrap
One bottom of closed chamber；The burner two is located on the closed chamber movable cover plate two at two top of steel scrap closed chamber, and smoke outlet two is located at useless
Steel closed chamber two side faces top, outlet flue two are located at steel scrap closed chamber two side faces lower part, and tapping hole two is located at steel scrap closed chamber two
Bottom.
Further, the smoke discharging pipe one is additionally provided with wind mixed chamber one, wind mixed chamber one by adjusting valve one and atmosphere,
Smoke discharging pipe two is additionally provided with wind mixed chamber two, and wind mixed chamber's two-way crosses adjusting valve two and atmosphere.
Advantageous effect：
(1) two steel scrap closed chambers are arranged in the utility model scrap melting preheating device, and a steel scrap closed chamber fusing is useless
The hot wind exhaust gas of steel, melting waste steel discharge is passed through another steel scrap closed chamber preheating scrap, and fusing and warm are in two stoves
Intracavitary rotation successively, heat are fully used, and high temperature gas flow can be fully discharged most with steel scrap heat exchange with lower temperature
Whole flue gas；
(2) carbon oxygen burner can be used in the utility model, by steel scrap closed chamber top center position under the conditions of pure oxygen or Fuyang
The high temperature that the Pulverized Coal burning being blown downwards generates 2600 DEG C or more is set, rapid melting steel scrap is at low cost efficient；
(3) combustion chamber is set between two steel scrap closed chambers, and both having realized can in the hot wind exhaust gas of melting waste steel generation
The burning and exhausting of combustion property residue, and realize the recycling of the high-temperature flue gas after hot wind secondary exhaust gas combustion；
(4) by controlling combustion chamber ignition burner combustion intensity and high-temperature flue air force, adjusting control scrap steel preheating
Temperature realizes better pre-heat effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the symmetrical double furnace chambers scrap steel preheating melting appartus of the utility model；
Fig. 2 be steel scrap closed chamber one, steel scrap closed chamber two, combustion chamber one, combustion chamber two sectional view.
In figure:1- steel scraps closed chamber one；2- steel scraps closed chamber two；3- burners one；4- burners two；5- closed chamber movable cover plates
One；6- closed chambers movable cover plate two；7- outlet flues one；8- outlet flues two；9- high-temperature flues one；10- high-temperature flues two；11- fires
Burn room one；The combustion chambers 12- two；13- couples flue；14- ash output valves；15- smoke outlets one；16- smoke outlets two；17- smoke discharging pipes
One；18- smoke discharging pipes two；19- tapping holes one；20- tapping holes two；21- taps a blast furnace hired car；22- wind mixed chamber one；23- wind mixed chamber
Two；24- adjusting valves one；25- adjusting valves two；26- flue gases stop valve one；27- flue gases stop valve two；28- dedusters；29- air inducing
Machine；30- smoke evacuation chimneys；31- igniter burners one；32- igniter burners two.
Specific implementation mode：
Further explanation is done to the utility model below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of symmetrical double furnace chambers scrap steel preheating melting appartus of the utility model, including steel scrap closed chamber one
1 and steel scrap closed chamber 22.Steel scrap closed chamber 1 is equipped with burner 1, outlet flue 1, smoke outlet 1, tapping hole 1, gives up
Steel closed chamber 22 is equipped with burner 24, outlet flue 28, smoke outlet 2 16, tapping hole 2 20.
Burner 1 is located on the closed chamber movement lid 1 at one 1 top of steel scrap closed chamber, and smoke outlet 1 is located at steel scrap
One 1 side surface upper part of closed chamber, outlet flue 1 are located at one 1 side lower of steel scrap closed chamber, and tapping hole 1 is located at steel scrap closed chamber
One 1 bottoms.Burner 24 is located on the closed chamber movable cover plate 26 at 22 top of steel scrap closed chamber, and smoke outlet 2 16 is located at steel scrap
22 side surface upper part of closed chamber, outlet flue 28 are located at 22 side lower of steel scrap closed chamber, and tapping hole 2 20 is located at steel scrap closed chamber
22 bottoms.
Outlet flue 1 connects high-temperature flue 1, and outlet flue 28 connects high-temperature flue 2 10, high-temperature flue 1 and high temperature
Flue 2 10 is connected by combustion chamber.Smoke outlet 1 is connected by smoke discharging pipe 1 with deduster 28, smoke discharging pipe 1
Equipped with flue gas stop valve 1, wind mixed chamber 1, wind mixed chamber 1 passes through adjusting valve 1 and atmosphere.Smoke outlet 2 16 is logical
It crosses smoke discharging pipe 2 18 with deduster 28 to be connected, smoke discharging pipe 2 18 is equipped with flue gas stop valve 2 27, wind mixed chamber 2 23, wind mixed chamber
2 23 pass through adjusting valve 2 25 and atmosphere.Deduster 28 is connected by air-introduced machine 29 with smoke evacuation chimney 30.One 19 He of tapping hole
Tapping hole 2 20 is respectively equipped with the hired car 21 that taps a blast furnace.
As shown in Fig. 2, combustion chamber includes combustion chamber 1 and combustion chamber 2 12, combustion chamber 1 and combustion chamber 2 12 are in
Cylindrical shape, one 11 top of combustion chamber and combustion chamber are equipped with connection flue 13 between 2 12 top, and one 11 side of combustion chamber is equipped with point
It burns mouth 1 and connects the smoke inlet of high-temperature flue 1, one 11 smoke inlet of combustion chamber is along one 11 inner wall tangent line of combustion chamber
Direction is arranged, and 2 12 side of combustion chamber is equipped with igniter burner 2 32 and connects the smoke inlet of high-temperature flue 2 10, combustion chamber two
12 smoke inlets are arranged along 2 12 inner wall tangential direction of combustion chamber, and one 11 bottom of combustion chamber and one 11 bottom of combustion chamber are equipped with out
Grey valve 14.As shown in Fig. 2, in the utility model, smoke inlet is arranged along two Inner Wall of Combustion Chamber tangential directions, is set in this way
It sets, is on the one hand conducive to the sedimentation of dust and comburant, hot wind exhaust gas on the other hand can be made to obtain fully heating, with uniform temperature
High-temperature flue gas preheating scrap.
Based on the scrap melting method of above-mentioned symmetrical double furnace chambers scrap steel preheating melting appartus, this method includes：
Steel scrap closed chamber 1 and steel scrap closed chamber 22 are used alternately as scrap melting chamber；
When steel scrap closed chamber 1 is used as scrap melting chamber in use, steel scrap closed chamber 22 is made as scrap steel preheating chamber
With closing adjusting valve 1 and flue gas stop valve 1 open adjusting valve 2 25 and flue gas stop valve 2 27, pass through burner 1
Heat is provided into steel scrap closed chamber 1, makes the scrap melting in steel scrap closed chamber 1, steel scrap in steel scrap closed chamber 1 is melted
Change the hot wind exhaust gas generated in the process and burning heating indoor is passed through by high-temperature flue 1, high-temperature flue gas is formed, by high-temperature flue gas
It is passed through in steel scrap closed chamber 22 by high-temperature flue 2 10 and steel scrap is preheated, high-temperature flue gas is converted into low-temperature flue gas and leads to
The discharge of smoke discharging pipe 2 18 is crossed, when low-temperature flue gas is discharged by smoke discharging pipe 2 18, by adjusting valve 2 25 to wind mixed chamber two
23 introduce cold wind, and the ratio for participating in cooling air quantity, flue-gas temperature of the control into deduster 28 are adjusted by adjusting valve 2 25；
When steel scrap closed chamber 22 is used as scrap melting chamber in use, steel scrap closed chamber 1 is made as scrap steel preheating chamber
With closing adjusting valve 2 25 and flue gas stop valve 2 27 open adjusting valve 1 and flue gas stop valve 1, pass through burner 24
Heat is provided into steel scrap closed chamber 22, makes the scrap melting in steel scrap closed chamber 22, by steel scrap in steel scrap closed chamber 22
The hot wind exhaust gas generated in fusion process is passed through burning heating indoor by high-temperature flue 2 10, high-temperature flue gas is formed, by high temperature
Flue gas is passed through in steel scrap closed chamber 1 by high-temperature flue 1 and is preheated to steel scrap, and high-temperature flue gas is converted into low-temperature flue gas simultaneously
It is discharged by smoke discharging pipe 1, when low-temperature flue gas is discharged by smoke discharging pipe 1, by adjusting valve 1 to wind mixed chamber
One 22 introduce cold wind, and the ratio for participating in cooling air quantity, flue-gas temperature of the control into deduster 28 are adjusted by adjusting valve 1.
The utility model uses two steel scrap closed chambers respectively as scrap melting chamber and scrap steel preheating chamber, by pure oxygen
Or the Pulverized Coal burning being blown downwards by steel scrap closed chamber vessel top center under the conditions of Fuyang generates 2600 DEG C or more
High temperature carry out melting waste steel, the molten steel being fused by the slow downlink of gravity and falling into the hired car that taps a blast furnace by going out tapping hole,
The hot wind exhaust gas that scrap melting generates fully burning again in a combustion chamber, by the CO contained in hot wind exhaust gas and other combustibles
Afterburnt, the high-temperature flue gas that hot wind exhaust gas generates after burning again are entered back into after scrap steel preheating chamber exchanges heat with steel scrap and are discharged.By position
In the open and close control flue gas direction of the flue gas cutting-off valve of two smoke discharging pipes, realizes fusing burner hearth and preheat the conversion of burner hearth.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of symmetrical double furnace chambers scrap steel preheating melting appartus, it is characterised in that：It is closed including steel scrap closed chamber one (1) and steel scrap
Chamber two (2), steel scrap closed chamber one (1) are equipped with burner one (3), outlet flue one (7), smoke outlet one (15), tapping hole one (19), give up
Steel closed chamber two (2) is equipped with burner two (4), outlet flue two (8), smoke outlet two (16), tapping hole two (20)；
Outlet flue one (7) connects high-temperature flue one (9), and outlet flue two (8) connects high-temperature flue two (10), high-temperature flue one (9)
It is connected by combustion chamber with high-temperature flue two (10), smoke outlet one (15) passes through smoke discharging pipe one (17) and deduster (28) phase
Even, smoke discharging pipe one (17) is equipped with flue gas stop valve one (26), and smoke outlet two (16) passes through smoke discharging pipe two (18) and deduster
(28) it is connected, smoke discharging pipe two (18) is equipped with flue gas stop valve two (27), and deduster (28) passes through air-introduced machine (29) and smoke evacuation chimney
(30) it is connected, tapping hole one (19) and tapping hole two (20) are respectively equipped with the hired car (21) that taps a blast furnace.
2. a kind of symmetrical double furnace chambers scrap steel preheating melting appartus according to claim 1, it is characterised in that：The combustion chamber
Including combustion chamber one (11) and combustion chamber two (12), combustion chamber one (11) and combustion chamber two (12) are cylindrical, combustion chamber one
(11) connection flue (13) is equipped between top and combustion chamber two (12) top, combustion chamber one (11) side is equipped with igniter burner one
(31) and connection high-temperature flue one (9) smoke inlet, combustion chamber one (11) smoke inlet is along combustion chamber one (11) inner wall tangent line
Direction is arranged, and combustion chamber two (12) side is equipped with igniter burner two (32) and connects the smoke inlet of high-temperature flue two (10), combustion
It burns room two (12) smoke inlet along combustion chamber two (12) inner wall tangential direction to be arranged, combustion chamber one (11) bottom and combustion chamber one
(11) bottom is equipped with ash output valve (14).
3. a kind of symmetrical double furnace chambers scrap steel preheating melting appartus according to claim 1 or 2, it is characterised in that：The burning
Mouth one (3) is located on the closed chamber movement lid one (5) at the top of steel scrap closed chamber one (1), and it is close that smoke outlet one (15) is located at steel scrap
Closed chamber one (1) side surface upper part, outlet flue one (7) are located at steel scrap closed chamber one (1) side lower, and tapping hole one (19) is located at steel scrap
Closed chamber one (1) bottom；The burner two (4) is located on the closed chamber movable cover plate two (6) at the top of steel scrap closed chamber two (2),
Smoke outlet two (16) is located at steel scrap closed chamber two (2) side surface upper part, and outlet flue two (8) is located under steel scrap closed chamber two (2) side
Portion, tapping hole two (20) are located at steel scrap closed chamber two (2) bottom.
4. a kind of symmetrical double furnace chambers scrap steel preheating melting appartus according to claim 3, it is characterised in that：The smoke exhaust pipe
Road one (17) is additionally provided with wind mixed chamber one (22), and wind mixed chamber one (22) passes through adjusting valve one (24) and atmosphere, smoke discharging pipe two
(18) it is additionally provided with wind mixed chamber two (23), wind mixed chamber two (23) passes through adjusting valve two (25) and atmosphere.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143164.3U CN207850090U (en) | 2018-01-29 | 2018-01-29 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143164.3U CN207850090U (en) | 2018-01-29 | 2018-01-29 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus |
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| CN207850090U true CN207850090U (en) | 2018-09-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168320A (en) * | 2018-01-29 | 2018-06-15 | 大峘集团有限公司 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method |
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2018
- 2018-01-29 CN CN201820143164.3U patent/CN207850090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168320A (en) * | 2018-01-29 | 2018-06-15 | 大峘集团有限公司 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method |
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