CN108168320A - A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method - Google Patents
A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method Download PDFInfo
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- CN108168320A CN108168320A CN201810081923.2A CN201810081923A CN108168320A CN 108168320 A CN108168320 A CN 108168320A CN 201810081923 A CN201810081923 A CN 201810081923A CN 108168320 A CN108168320 A CN 108168320A
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- scrap
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- steel
- steel scrap
- closed chamber
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 157
- 239000010959 steel Substances 0.000 title claims abstract description 157
- 238000002844 melting Methods 0.000 title claims abstract description 47
- 230000008018 melting Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 75
- 238000002485 combustion reaction Methods 0.000 claims abstract description 60
- 239000003546 flue gas Substances 0.000 claims abstract description 59
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 238000010079 rubber tapping Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 206010022000 influenza Diseases 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
- F27D13/002—Preheating scrap
Abstract
The invention discloses a kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap to melt method, 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；This method is to use two steel scrap closed chambers alternately as scrap melting chamber, make scrap melting by providing heat in burner thereto a steel scrap closed chamber, the hot wind exhaust gas that scrap melting generates is passed through combustion chamber and is heated into high-temperature flue gas, high-temperature flue gas is passed through in another steel scrap closed chamber again, steel scrap is preheated, high-temperature flue gas is converted into low-temperature flue gas and passes through smoke discharging pipe.The present invention overcomes existing steel scrap processing mode power consumption it is big the problem of, neither electricity consumption can reduce smelting iron and steel cost again.
Description
Technical field
The present invention relates to the preheating melt processed of steel scrap and steel scrap cycling and reutilization technical field, especially a kind of symmetric doubles
Furnace chamber scrap steel preheating melting appartus and steel scrap melt method.
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 subject, 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), add in converter with blast-melted
It is to realize the most effective economical route that steel scrap recycles.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 the present invention is being directed to the problem of existing steel scrap processing mode power consumption is big, invention is a kind of both
Not electricity consumption 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 these goals, present invention employs following technical solutions：
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 set 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 set, 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.
A kind of scrap melting method based on above-mentioned symmetrical double furnace chambers scrap steel preheating melting appartus, this method include：
Steel scrap closed chamber one and steel scrap closed chamber two are used alternately as scrap melting chamber；
When steel scrap closed chamber one is used as scrap melting chamber in use, being used steel scrap closed chamber two as scrap steel preheating chamber,
Adjusting valve one and flue gas stop valve one are closed, opens adjusting valve two and flue gas stop valve two, by burner one to steel scrap closed chamber
Heat in one is provided, makes the scrap melting in steel scrap closed chamber one, by what is generated during scrap melting in steel scrap closed chamber one
Hot wind exhaust gas is passed through burning heating indoor by high-temperature flue one, forms high-temperature flue gas, high-temperature flue gas is passed through high-temperature flue two
It is passed through in steel scrap closed chamber two and steel scrap is preheated, high-temperature flue gas is converted into low-temperature flue gas and passes through smoke discharging pipe two and discharges；
When steel scrap closed chamber two is used as scrap melting chamber in use, being used steel scrap closed chamber one as scrap steel preheating chamber,
Adjusting valve two and flue gas stop valve two are closed, opens adjusting valve one and flue gas stop valve one, by burner two to steel scrap closed chamber
Heat in two is provided, makes the scrap melting in steel scrap closed chamber two, by what is generated during scrap melting in steel scrap closed chamber two
Hot wind exhaust gas is passed through in combustion chamber by high-temperature flue two and heated, and forms high-temperature flue gas, high-temperature flue gas is passed through high-temperature flue one
It is passed through in steel scrap closed chamber one and steel scrap is preheated, high-temperature flue gas is converted into low-temperature flue gas and passes through smoke discharging pipe one and discharges.
Further, it when low-temperature flue gas is discharged by smoke discharging pipe two, is introduced by adjusting valve two to wind mixed chamber two cold
Wind；When low-temperature flue gas is discharged by smoke discharging pipe one, cold wind is introduced to wind mixed chamber one by adjusting valve one.
Advantageous effect：
(1) scrap melting preheating device of the present invention sets two steel scrap closed chambers, and a steel scrap closed chamber melting waste steel melts
The hot wind exhaust gas for changing steel scrap discharge is passed through another steel scrap closed chamber preheating scrap, fusing and warm in two furnace chambers according to
Secondary rotation, heat are fully used, and high temperature gas flow can fully discharge final cigarette with steel scrap heat exchange with relatively low temperature
Gas；
(2) the usable carbon oxygen burner of the present invention, under the conditions of pure oxygen or Fuyang from steel scrap closed chamber top center to
The Pulverized Coal burning of lower injection generates 2600 DEG C or more of high temperature, and 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 structure diagram of the symmetrical double furnace chambers scrap steel preheating melting appartus of the present invention；
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；12- combustion chambers 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-introduced machines；
30- smoke evacuation chimneys；31- igniter burners one；32- igniter burners two.
Specific embodiment：
Further explanation is done to the present invention 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 present invention, including one 1 He of steel scrap closed chamber
Steel scrap closed chamber 22.Steel scrap closed chamber 1 is equipped with burner 1, outlet flue 1, smoke outlet 1, tapping hole 1, and steel scrap is close
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 set, 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 set along 2 12 inner wall tangential direction of combustion chamber, and one 11 bottom of combustion chamber and one 12 bottom of combustion chamber are equipped with out
Grey valve 14.As shown in Fig. 2, in the present invention, smoke inlet is set along two Inner Wall of Combustion Chamber tangential directions, in this way,
On the one hand it is conducive to the sedimentation of dust and comburant, hot wind exhaust gas on the other hand can be made to obtain fully heating, with the height of uniform temperature
Medium-temperature smoke pre-heating steel scrap.
The scrap melting method based on above-mentioned symmetrical double furnace chambers scrap steel preheating melting appartus of the present invention, this method include：
Steel scrap closed chamber 1 and steel scrap closed chamber 22 are used alternately as scrap melting chamber；
When steel scrap closed chamber 1 as scrap melting chamber in use, making steel scrap closed chamber 22 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 is adjusted by adjusting valve 2 25, and control enters the flue-gas temperature of deduster 28；
When steel scrap closed chamber 22 as scrap melting chamber in use, making steel scrap closed chamber 1 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, steel scrap in steel scrap closed chamber 22 is melted
Change the hot wind exhaust gas generated in the process and burning heating indoor is passed through by high-temperature flue 2 10, high-temperature flue gas is formed, by high temperature cigarette
Gas is passed through in steel scrap closed chamber 1 by high-temperature flue 1 and steel scrap is preheated, and high-temperature flue gas is converted into low-temperature flue gas and leads to
The discharge of smoke discharging pipe 1 is crossed, 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 is adjusted by adjusting valve 1, and control enters the flue-gas temperature of deduster 28.
The present invention uses two steel scrap closed chambers respectively as scrap melting chamber and scrap steel preheating chamber, by pure oxygen or richness
The Pulverized Coal burning being blown downwards by steel scrap closed chamber cavity volume top center under the conditions of sun generates 2600 DEG C or more of height
Temperature carrys out melting waste steel, and the molten steel being fused by the slow downlink of gravity and falls into the hired car that taps a blast furnace, steel scrap by going out tapping hole
The hot wind exhaust gas generated fully burning again in a combustion chamber is melted, by the CO contained in hot wind exhaust gas and other combustible after-flames
Afterwards, the high-temperature flue gas that hot wind exhaust gas generates after burning again is entered back into after scrap steel preheating chamber exchanges heat with steel scrap and is discharged.By being located at two
The open and close control flue gas direction of the flue gas cutting-off valve of a smoke discharging pipe realizes fusing burner hearth and preheats the conversion of burner hearth.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
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 given up equipped with burner one (3), outlet flue one (7), smoke outlet one (15), tapping hole one (19)
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) connection high-temperature flue one (9), outlet flue two (8) connection high-temperature flue two (10), high-temperature flue one (9)
It is connected with high-temperature flue two (10) by combustion chamber, smoke outlet one (15) passes through smoke discharging pipe one (17) and deduster (28) phase
Even, smoke discharging pipe one (17) passes through smoke discharging pipe two (18) and deduster equipped with flue gas stop valve one (26), smoke outlet two (16)
(28) it is connected, smoke discharging pipe two (18) passes through air-introduced machine (29) and smoke evacuation chimney equipped with flue gas stop valve two (27), deduster (28)
(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 the smoke inlet of connection high-temperature flue one (9), combustion chamber one (11) smoke inlet is along combustion chamber one (11) inner wall tangent line
Direction is set, 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 to set along combustion chamber two (12) inner wall tangential direction, combustion chamber one (11) bottom and combustion chamber one
(12) 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
For mouth one (3) on the closed chamber movement lid one (5) at the top of steel scrap closed chamber one (1), smoke outlet one (15) is close positioned at steel scrap
Closed chamber one (1) side surface upper part, outlet flue one (7) is positioned at steel scrap closed chamber one (1) side lower, and tapping hole one (19) is positioned at steel scrap
Closed chamber one (1) bottom；The burner two (4) on the closed chamber movable cover plate two (6) at the top of steel scrap closed chamber two (2),
Smoke outlet two (16) is positioned at steel scrap closed chamber two (2) side surface upper part, and outlet flue two (8) is under steel scrap closed chamber two (2) side
Portion, tapping hole two (20) is positioned 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) wind mixed chamber two (23) is additionally provided with, wind mixed chamber two (23) passes through adjusting valve two (25) and atmosphere.
5. a kind of scrap melting method based on double furnace chambers scrap steel preheating melting appartus symmetrical described in claim 4, feature exist
In this method includes：
Steel scrap closed chamber one (1) and steel scrap closed chamber two (2) are used alternately as scrap melting chamber；
When steel scrap closed chamber one (1) as scrap melting chamber in use, making steel scrap closed chamber two (2) as scrap steel preheating chamber
With closing adjusting valve one (24) and flue gas stop valve one (26) are opened adjusting valve two (25) and flue gas stop valve two (27), passed through
Burner one (3) provides heat into steel scrap closed chamber one (1), makes the scrap melting in steel scrap closed chamber one (1), and steel scrap is closed
The hot wind exhaust gas generated during the interior scrap melting of chamber one (1) is passed through burning heating indoor by high-temperature flue one (9), is formed high
High-temperature flue gas is passed through by high-temperature flue two (10) in steel scrap closed chamber two (2) and steel scrap is preheated by warm flue gas, high temperature cigarette
Gas is converted into low-temperature flue gas and passes through smoke discharging pipe two (18) discharge；
When steel scrap closed chamber two (2) as scrap melting chamber in use, making steel scrap closed chamber one (1) as scrap steel preheating chamber
With closing adjusting valve two (25) and flue gas stop valve two (27) are opened adjusting valve one (24) and flue gas stop valve one (26), passed through
Burner two (4) provides heat into steel scrap closed chamber two (2), makes the scrap melting in steel scrap closed chamber two (2), and steel scrap is closed
The hot wind exhaust gas generated during the interior scrap melting of chamber two (2) is passed through burning heating indoor by high-temperature flue two (10), is formed
High-temperature flue gas is passed through by high-temperature flue one (9) in steel scrap closed chamber one (1) and steel scrap is preheated by high-temperature flue gas, high temperature
Flue gas is converted into low-temperature flue gas and passes through smoke discharging pipe one (17) discharge.
6. scrap melting method according to claim 5, it is characterised in that：When low-temperature flue gas passes through smoke discharging pipe two (18)
During discharge, cold wind is introduced to wind mixed chamber two (23) by adjusting valve two (25)；When low-temperature flue gas is arranged by smoke discharging pipe one (17)
When going out, cold wind is introduced to wind mixed chamber one (22) by adjusting valve one (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810081923.2A CN108168320A (en) | 2018-01-29 | 2018-01-29 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810081923.2A CN108168320A (en) | 2018-01-29 | 2018-01-29 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method |
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| Publication Number | Publication Date |
|---|---|
| CN108168320A true CN108168320A (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810081923.2A Pending CN108168320A (en) | 2018-01-29 | 2018-01-29 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus and steel scrap melt method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423860A (en) * | 2019-09-03 | 2019-11-08 | 苏州正益诚新能源科技有限公司 | A kind of scrap steel preheating furnace |
| CN110849161A (en) * | 2019-11-22 | 2020-02-28 | 湖南辰州矿业有限责任公司 | Flue gas temperature regulating device of dry smelting furnace |
| CN111218539A (en) * | 2020-03-09 | 2020-06-02 | 重庆燃控科技有限公司 | Pure oxygen combustion scrap steel preheating device with flue gas self-circulation function |
| CN111235339A (en) * | 2020-02-14 | 2020-06-05 | 中冶赛迪工程技术股份有限公司 | Process capable of adjusting furnace burden collocation of converter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB895534A (en) * | 1960-02-06 | 1962-05-02 | Meredith Woodridge Thring | Improvements in electric-arc steel furnaces |
| CN87201878U (en) * | 1987-02-11 | 1988-01-13 | 东北轻合金加工厂 | Double bed alternate aluminium-smelting furnace |
| CN1091777A (en) * | 1993-01-25 | 1994-09-07 | 曼内斯曼股份公司 | The method and apparatus of control twin furnace equipment operation |
| JPH06323733A (en) * | 1993-05-10 | 1994-11-25 | Daido Steel Co Ltd | Scrap preheating method for twin type electric furnace |
| CN1350629A (en) * | 1999-06-25 | 2002-05-22 | 洛马金·弗拉德米尔·马克斯莫维奇 | Multichambered stellmaking apparatus and method of steelmaking using this apparatus |
| CN204085215U (en) * | 2014-09-28 | 2015-01-07 | 西安广大电炉有限公司 | A kind of electrical arc furnace flue gas waste heat utilization device |
| CN207850090U (en) * | 2018-01-29 | 2018-09-11 | 大峘集团有限公司 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus |
-
2018
- 2018-01-29 CN CN201810081923.2A patent/CN108168320A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB895534A (en) * | 1960-02-06 | 1962-05-02 | Meredith Woodridge Thring | Improvements in electric-arc steel furnaces |
| CN87201878U (en) * | 1987-02-11 | 1988-01-13 | 东北轻合金加工厂 | Double bed alternate aluminium-smelting furnace |
| CN1091777A (en) * | 1993-01-25 | 1994-09-07 | 曼内斯曼股份公司 | The method and apparatus of control twin furnace equipment operation |
| JPH06323733A (en) * | 1993-05-10 | 1994-11-25 | Daido Steel Co Ltd | Scrap preheating method for twin type electric furnace |
| CN1350629A (en) * | 1999-06-25 | 2002-05-22 | 洛马金·弗拉德米尔·马克斯莫维奇 | Multichambered stellmaking apparatus and method of steelmaking using this apparatus |
| CN204085215U (en) * | 2014-09-28 | 2015-01-07 | 西安广大电炉有限公司 | A kind of electrical arc furnace flue gas waste heat utilization device |
| CN207850090U (en) * | 2018-01-29 | 2018-09-11 | 大峘集团有限公司 | A kind of symmetrical double furnace chambers scrap steel preheating melting appartus |
Non-Patent Citations (2)
| Title |
|---|
| 周传典: "高炉炼铁生产技术手册", 31 August 2002, 冶金工业出版社, pages: 511 - 512 * |
| 张殿有: "高炉冶炼操作技术", 31 March 2006, 冶金工业出版社, pages: 287 - 290 * |
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| CN110423860B (en) * | 2019-09-03 | 2024-01-05 | 苏州正益诚新能源科技有限公司 | Scrap steel preheating furnace |
| CN110849161A (en) * | 2019-11-22 | 2020-02-28 | 湖南辰州矿业有限责任公司 | Flue gas temperature regulating device of dry smelting furnace |
| CN111235339A (en) * | 2020-02-14 | 2020-06-05 | 中冶赛迪工程技术股份有限公司 | Process capable of adjusting furnace burden collocation of converter |
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