CN104344726B - Vanadium goods raw material preheating system - Google Patents
Vanadium goods raw material preheating system Download PDFInfo
- Publication number
- CN104344726B CN104344726B CN201410599242.7A CN201410599242A CN104344726B CN 104344726 B CN104344726 B CN 104344726B CN 201410599242 A CN201410599242 A CN 201410599242A CN 104344726 B CN104344726 B CN 104344726B
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- Prior art keywords
- heat
- electric arc
- furnace
- arrest
- arc furnace
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- 239000002994 raw material Substances 0.000 title claims abstract description 24
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 22
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000010891 electric arc Methods 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 17
- 239000003546 flue gas Substances 0.000 abstract description 17
- 239000002918 waste heat Substances 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000003723 Smelting Methods 0.000 description 6
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 229910000756 V alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009865 steel metallurgy Methods 0.000 description 1
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of heating system, especially a kind of vanadium goods raw material preheating system.The invention provides a kind of vanadium goods raw material preheating system improving utilization rate of waste heat, including electric arc furnace collector mat, preheating furnace, electric arc furnace and ladle；Electric arc furnace collector mat includes funnel shaped heat collector cavity, the big end of heat collector cavity is positioned on electric arc furnace and ladle and towards electric arc furnace and ladle, the small end of heat collector cavity is connected with the heat supply mouth of preheating furnace by conveyance conduit, also include recuperated cycle pipeline, recuperated cycle pipeline includes thermal-arrest spiral tube, heat release pipe and circulating pump, thermal-arrest spiral tube is arranged in heat collector cavity, and heat release pipe is arranged in preheating furnace, and thermal-arrest spiral tube is connected by circulating pump circulation with heat release pipe.This makes a waste heat part for electric arc furnace be absorbed by the heat transferring medium in thermal-arrest spiral tube, and then slow heat release is with the raw material in heating electric arc furnace in heat release pipe, and another part is entered directly into by flue gas and adds hot charge in preheating furnace, and the utilization rate of waste heat is improved.
Description
Technical field
The present invention relates to a kind of heating system, especially a kind of vanadium goods raw material preheating system.
Background technology
Electric furnace smelting vanadium goods are in current vanadium goods alloy smelting Technology, commonly used a kind of smelting mode, extensively should
For fields such as metallurgy industry vanadium goods alloy smeltings, it is a kind of Technology being smelted vanadium goods by electrical heating, as iron and steel
Metallurgy industry, electric furnace smelting vanadium goods are also widely used for the processing of vanadium goods alloy.
Existing tradition smelts vanadium goods electric furnace, is that the commonly used a kind of vanadium goods in Flos Bombacis Malabarici vanadium titanium industry garden smelt mode,
During use, it is heated to temperature required (1300 DEG C owing to electric furnace smelting need to consume substantial amounts of electric energy to realize vanadium alloy raw material
--1600 DEG C) critical point, therefore power consumption is huge, and the waste heat flue gas of the at present garden Nei Ge enterprise heated generation of electric furnace and going out
The waste heat of the slag that slag produces is higher, and its temperature is up to 300 DEG C--and 600 DEG C, the most existing following technology carries out pre-recuperation of heat: specially
The Chinese patent of profit ZL201320578097.5 discloses a kind of raw material preheating device, and it utilizes electric arc furnace collector mat and pit collection
The flue gas of electric arc furnace and the high-temperature gas of pit are incorporated into preheating furnace by heat cover, thus heat the vanadium goods raw material in preheating furnace.
Although this device make use of part to preheat, but owing to air heat exchange efficiency is low, gas is by the speed of preheating furnace too simultaneously
Hurry up, cause the waste heat in flue gas not to be fully utilized.
Summary of the invention
The technical problem to be solved is to provide a kind of vanadium goods raw material preheating system improving utilization rate of waste heat.
The present invention solves the vanadium goods raw material preheating system that its technical problem is used, including electric arc furnace collector mat, preheating furnace, electricity
Arc stove and ladle；Electric arc furnace collector mat includes funnel shaped heat collector cavity, and the big end of described heat collector cavity is positioned at electric arc furnace and ladle
On and towards electric arc furnace and ladle, the small end of described heat collector cavity is connected with the heat supply mouth of preheating furnace by conveyance conduit, also wraps
Including recuperated cycle pipeline, described recuperated cycle pipeline includes that thermal-arrest spiral tube, heat release pipe and circulating pump, described thermal-arrest spiral tube set
Putting in heat collector cavity, described heat release pipe is arranged in preheating furnace, and described thermal-arrest spiral tube is connected by circulating pump circulation with heat release pipe.
Further, described thermal-arrest spiral tube spirals setting along the inwall of heat collector cavity.
Further, described heat release pipe spirals setting along the inwall of preheating furnace.
Further, also include that cleaner unit, described cleaner unit are arranged on the top of preheating furnace.
Further, also include pit, pit be provided above pit collector mat, pit collector mat pass through arm and conveying
Pipeline communication.
Further, it is provided with blower fan at the heat supply mouth of preheating furnace.
Further, described thermal-arrest spiral tube is laid with heat conduction fin.
The invention has the beneficial effects as follows: by arranging thermal-arrest spiral tube on electric arc furnace collector mat, and arranging in preheating furnace
Heat release pipe, this makes a waste heat part for electric arc furnace be absorbed by the heat transferring medium in thermal-arrest spiral tube, and then in heat release pipe slowly
Heat release is with the raw material in heating electric arc furnace, and another part is entered directly into by flue gas and adds hot charge in preheating furnace, and this allows for remaining
The utilization rate of heat is improved.Thermal-arrest spiral tube can also arrange heat conduction fin, thus obtain higher heat exchange efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the upward view of electric arc furnace collector mat；
Fig. 3 is the side view of electric arc furnace collector mat；
Parts, position and numbering in figure: electric arc furnace collector mat 1, preheating furnace 2, electric arc furnace 3, ladle 4, thermal-arrest spiral
Pipe 5, heat release pipe 6, conveyance conduit 7, cleaner unit 8, pit 9, blower fan 10, tremie pipe 11.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present invention includes electric arc furnace collector mat 1, preheating furnace 2, electric arc furnace 3 and ladle 4；Electric arc furnace thermal-arrest
Cover 1 includes funnel shaped heat collector cavity, and the big end of described heat collector cavity is positioned on electric arc furnace 3 and ladle 4 and towards electric arc furnace 3
With ladle 4, the small end of described heat collector cavity is connected with the heat supply mouth of preheating furnace 2 by conveyance conduit 7, also includes recuperated cycle
Pipeline, described recuperated cycle pipeline includes that thermal-arrest spiral tube 5, heat release pipe 6 and circulating pump, described thermal-arrest spiral tube 5 are arranged on
In heat collector cavity, described heat release pipe 6 is arranged in preheating furnace 2, and described thermal-arrest spiral tube 5 and heat release pipe 6 are circulated by circulating pump
Connection.Heat-conducting medium in thermal-arrest spiral tube 5 typically uses water, when needing the temperature of change, can use boiling point more
High liquid.Thermal-arrest spiral tube 5 uses common steel pipe, and it spirals setting according to the inwall of heat collector cavity；At electric arc furnace 3
With in the flue gas uphill process of ladle 4, flue gas and thermal-arrest spiral tube 5 carry out heat exchange so that water in thermal-arrest spiral tube 5
Temperature rises, and then the water in thermal-arrest spiral tube 5 is delivered in heat release pipe 6 by recycling circulating pump so that water and preheating furnace 2
In raw material carry out heat exchange, after heat exchange cooling water return in thermal-arrest spiral tube 5；Meanwhile, flue gas is also through electric arc furnace thermal-arrest
Cover 1 enters in preheating furnace 2 and adds hot charge.So make raw material by dual-heated, electric arc furnace 3 and the flue gas of ladle 4
Waste heat is fully utilized.Circulating pump can control water flow velocity, thus controls heat conveying capacity so that raw material in preheating furnace 2
Heating controlled, this, compared with traditional direct flue gas, can improve the heat exchanger time of medium and raw material, it is thus achieved that more preferably
Exchange efficiency.
It is concrete, as in figure 2 it is shown, described thermal-arrest spiral tube 5 spirals setting along the inwall of heat collector cavity.Namely thermal-arrest spiral tube
5 tapered spring-like.In flue gas uphill process, can contact with thermal-arrest spiral tube 5, thus carry out heat exchange, thermal-arrest spiral tube 5
On inwall easy for installation, and there is bigger heat exchange area.Equally, as it is shown in figure 1, described heat release pipe 6 is along preheating furnace
The inwall of 2 spirals setting, so can increase heat exchange area.The water inlet of thermal-arrest spiral tube 5 is arranged on electric arc furnace collector mat 1
Lower end and be connected with the water side of heat release pipe 6, outlet be positioned at electric arc furnace collector mat 1 upper end and with the water inlet of heat release pipe 6
End is connected.The water inlet end of heat release pipe 6 is positioned at the lower end of preheating furnace 2, and water side is positioned at the upper end of preheating furnace 2.
In order to avoid the dust in raw material is blown, as it is shown in figure 1, also include cleaner unit 8, described cleaner unit 8 is arranged on pre-
The top of hot stove 2.Cleaner unit 8 is used as discharge flue gas use, and dust so can be avoided to be blown, and reduces whole system to environment
Impact.
The slag itself poured out from electric arc furnace 8 also can produce high-temperature flue gas, if this part of waste heat is used, can carry further
High waste heat recovery rate, is conducive to saving the energy further.To this end, on the basis of the above, also include pit 9, pit 9 upper
Side is provided with pit collector mat, and pit collector mat is connected with conveyance conduit 7 by arm.The high-temperature flue gas produced in pit 9 can
Entering conveyance conduit 7 by pit collector mat and arm, after entering conveyance conduit 7, this partial fume can be along conveyance conduit 7
Enter preheating furnace 2, and then for the raw material in preheating furnace 2 is heated.
In order to improve the throughput of flue gas, as it is shown in figure 1, be provided with blower fan 10 at the heat supply mouth of preheating furnace 2.Utilize blower fan 10
More high-temperature flue gas can be introduced in preheating furnace 2.
In order to obtain bigger heat exchange area, described thermal-arrest spiral tube 5 is laid with heat conduction fin.Heat conduction fin can increase collection
Hot plate coil 5 and the contact area of flue gas, thus improve the efficiency of heat exchange.
Claims (6)
1. vanadium goods raw material preheating system, including electric arc furnace collector mat (1), preheating furnace (2), electric arc furnace (3) and ladle
(4)；Electric arc furnace collector mat (1) includes funnel shaped heat collector cavity, and the big end of described heat collector cavity is positioned at electric arc furnace (3) and molten iron
On bag (4) and towards electric arc furnace (3) and ladle (4), the small end of described heat collector cavity is by conveyance conduit (7) and preheating
The heat supply mouth of stove (2) is connected, it is characterised in that: also include that recuperated cycle pipeline, described recuperated cycle pipeline include that thermal-arrest spirals
Pipe (5), heat release pipe (6) and circulating pump, described thermal-arrest spiral tube (5) is arranged in heat collector cavity, and described heat release pipe (6) sets
Putting in preheating furnace (2), described heat release pipe (6) is spiraled setting along the inwall of preheating furnace (2), described thermal-arrest spiral tube (5)
Connected by circulating pump circulation with heat release pipe (6).
2. vanadium goods raw material preheating system as claimed in claim 1, it is characterised in that: described thermal-arrest spiral tube (5) is along collection
The inwall in hot chamber spirals setting.
3. vanadium goods raw material preheating system as claimed in claim 1, it is characterised in that: also include cleaner unit (8), described remove
Dirt device (8) is arranged on the top of preheating furnace (2).
4. vanadium goods raw material preheating system as claimed in claim 1, it is characterised in that: also include pit (9), pit (9)
Be provided above pit collector mat, pit collector mat is connected with conveyance conduit (7) by arm.
5. vanadium goods raw material preheating system as claimed in claim 1, it is characterised in that: set at the heat supply mouth of preheating furnace (2)
It is equipped with blower fan (10).
6. the vanadium goods raw material preheating system as described in claim 1 to 5 any claim, it is characterised in that: described thermal-arrest
Spiral tube is laid with heat conduction fin on (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410599242.7A CN104344726B (en) | 2014-10-30 | 2014-10-30 | Vanadium goods raw material preheating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410599242.7A CN104344726B (en) | 2014-10-30 | 2014-10-30 | Vanadium goods raw material preheating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104344726A CN104344726A (en) | 2015-02-11 |
| CN104344726B true CN104344726B (en) | 2016-11-23 |
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ID=52500846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410599242.7A Active CN104344726B (en) | 2014-10-30 | 2014-10-30 | Vanadium goods raw material preheating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104344726B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253805A (en) * | 2018-01-22 | 2018-07-06 | 浙江润东环保科技股份有限公司 | Glass tail gas feed powder heating unit and system |
| CN108504870A (en) * | 2018-06-15 | 2018-09-07 | 河钢股份有限公司承德分公司 | Vanadium slag waste heat recovery aoxidizes the device and method of sodium vanadium extraction |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE442440B (en) * | 1983-10-03 | 1985-12-23 | Flaekt Ab | DEVICE FOR HEATING OF SCRAP TO BE CHARGED TO AN ELECTROSTO OVEN |
| CN2910956Y (en) * | 2006-06-12 | 2007-06-13 | 江阴海陆冶金设备制造有限公司 | Coiled-pipe air-seal type active chimney of evaporated cooling flue of steelmaking converter |
| CN202253695U (en) * | 2011-09-21 | 2012-05-30 | 苏州海陆重工股份有限公司 | Movable smoke hood for waste heat boiler |
| CN203053248U (en) * | 2013-01-31 | 2013-07-10 | 浙江大大不锈钢有限公司 | Annealing furnace waste-heat use water heater device |
| CN203464755U (en) * | 2013-09-17 | 2014-03-05 | 攀枝花市仁通钒业有限公司 | Raw material preheating device |
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2014
- 2014-10-30 CN CN201410599242.7A patent/CN104344726B/en active Active
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| CN104344726A (en) | 2015-02-11 |
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